Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    3)  *   imon.c:	input and display driver for SoundGraph iMON IR/VFD/LCD
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    5)  *   Copyright(C) 2010  Jarod Wilson <jarod@wilsonet.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    6)  *   Portions based on the original lirc_imon driver,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    7)  *	Copyright(C) 2004  Venky Raju(dev@venky.ws)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    8)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    9)  *   Huge thanks to R. Geoff Newbury for invaluable debugging on the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   10)  *   0xffdc iMON devices, and for sending me one to hack on, without
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   11)  *   which the support for them wouldn't be nearly as good. Thanks
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   12)  *   also to the numerous 0xffdc device owners that tested auto-config
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   13)  *   support for me and provided debug dumps from their devices.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   14)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   16) #define pr_fmt(fmt) KBUILD_MODNAME ":%s: " fmt, __func__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   18) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   19) #include <linux/init.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   20) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   21) #include <linux/ktime.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   22) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   23) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   24) #include <linux/uaccess.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   25) #include <linux/ratelimit.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   27) #include <linux/input.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   28) #include <linux/usb.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   29) #include <linux/usb/input.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   30) #include <media/rc-core.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   32) #include <linux/timer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   34) #define MOD_AUTHOR	"Jarod Wilson <jarod@wilsonet.com>"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   35) #define MOD_DESC	"Driver for SoundGraph iMON MultiMedia IR/Display"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   36) #define MOD_NAME	"imon"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   37) #define MOD_VERSION	"0.9.4"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   39) #define DISPLAY_MINOR_BASE	144
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   40) #define DEVICE_NAME	"lcd%d"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   42) #define BUF_CHUNK_SIZE	8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   43) #define BUF_SIZE	128
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   45) #define BIT_DURATION	250	/* each bit received is 250us */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   47) #define IMON_CLOCK_ENABLE_PACKETS	2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   49) /*** P R O T O T Y P E S ***/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   50) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   51) /* USB Callback prototypes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   52) static int imon_probe(struct usb_interface *interface,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   53) 		      const struct usb_device_id *id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   54) static void imon_disconnect(struct usb_interface *interface);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   55) static void usb_rx_callback_intf0(struct urb *urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   56) static void usb_rx_callback_intf1(struct urb *urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   57) static void usb_tx_callback(struct urb *urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   59) /* suspend/resume support */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   60) static int imon_resume(struct usb_interface *intf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   61) static int imon_suspend(struct usb_interface *intf, pm_message_t message);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   63) /* Display file_operations function prototypes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   64) static int display_open(struct inode *inode, struct file *file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   65) static int display_close(struct inode *inode, struct file *file);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   67) /* VFD write operation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   68) static ssize_t vfd_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   69) 			 size_t n_bytes, loff_t *pos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   71) /* LCD file_operations override function prototypes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   72) static ssize_t lcd_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   73) 			 size_t n_bytes, loff_t *pos);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   74) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   75) /*** G L O B A L S ***/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   77) struct imon_panel_key_table {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   78) 	u64 hw_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   79) 	u32 keycode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   80) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   81) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   82) struct imon_usb_dev_descr {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   83) 	__u16 flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   84) #define IMON_NO_FLAGS 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   85) #define IMON_NEED_20MS_PKT_DELAY 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   86) #define IMON_SUPPRESS_REPEATED_KEYS 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   87) 	struct imon_panel_key_table key_table[];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   88) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   89) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   90) struct imon_context {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   91) 	struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   92) 	/* Newer devices have two interfaces */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   93) 	struct usb_device *usbdev_intf0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   94) 	struct usb_device *usbdev_intf1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   96) 	bool display_supported;		/* not all controllers do */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   97) 	bool display_isopen;		/* display port has been opened */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   98) 	bool rf_device;			/* true if iMON 2.4G LT/DT RF device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   99) 	bool rf_isassociating;		/* RF remote associating */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  100) 	bool dev_present_intf0;		/* USB device presence, interface 0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  101) 	bool dev_present_intf1;		/* USB device presence, interface 1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  102) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  103) 	struct mutex lock;		/* to lock this object */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  104) 	wait_queue_head_t remove_ok;	/* For unexpected USB disconnects */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  106) 	struct usb_endpoint_descriptor *rx_endpoint_intf0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  107) 	struct usb_endpoint_descriptor *rx_endpoint_intf1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  108) 	struct usb_endpoint_descriptor *tx_endpoint;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  109) 	struct urb *rx_urb_intf0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  110) 	struct urb *rx_urb_intf1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  111) 	struct urb *tx_urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  112) 	bool tx_control;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  113) 	unsigned char usb_rx_buf[8];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  114) 	unsigned char usb_tx_buf[8];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  115) 	unsigned int send_packet_delay;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  117) 	struct tx_t {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  118) 		unsigned char data_buf[35];	/* user data buffer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  119) 		struct completion finished;	/* wait for write to finish */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  120) 		bool busy;			/* write in progress */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  121) 		int status;			/* status of tx completion */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  122) 	} tx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  123) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  124) 	u16 vendor;			/* usb vendor ID */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  125) 	u16 product;			/* usb product ID */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  126) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  127) 	struct rc_dev *rdev;		/* rc-core device for remote */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  128) 	struct input_dev *idev;		/* input device for panel & IR mouse */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  129) 	struct input_dev *touch;	/* input device for touchscreen */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  130) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  131) 	spinlock_t kc_lock;		/* make sure we get keycodes right */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  132) 	u32 kc;				/* current input keycode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  133) 	u32 last_keycode;		/* last reported input keycode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  134) 	u32 rc_scancode;		/* the computed remote scancode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  135) 	u8 rc_toggle;			/* the computed remote toggle bit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  136) 	u64 rc_proto;			/* iMON or MCE (RC6) IR protocol? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  137) 	bool release_code;		/* some keys send a release code */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  139) 	u8 display_type;		/* store the display type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  140) 	bool pad_mouse;			/* toggle kbd(0)/mouse(1) mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  141) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  142) 	char name_rdev[128];		/* rc input device name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  143) 	char phys_rdev[64];		/* rc input device phys path */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  144) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  145) 	char name_idev[128];		/* input device name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  146) 	char phys_idev[64];		/* input device phys path */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  148) 	char name_touch[128];		/* touch screen name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  149) 	char phys_touch[64];		/* touch screen phys path */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  150) 	struct timer_list ttimer;	/* touch screen timer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  151) 	int touch_x;			/* x coordinate on touchscreen */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  152) 	int touch_y;			/* y coordinate on touchscreen */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  153) 	const struct imon_usb_dev_descr *dev_descr;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  154) 					/* device description with key */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  155) 					/* table for front panels */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  156) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  158) #define TOUCH_TIMEOUT	(HZ/30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  160) /* vfd character device file operations */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  161) static const struct file_operations vfd_fops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  162) 	.owner		= THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  163) 	.open		= &display_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  164) 	.write		= &vfd_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  165) 	.release	= &display_close,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  166) 	.llseek		= noop_llseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  167) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  168) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  169) /* lcd character device file operations */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  170) static const struct file_operations lcd_fops = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  171) 	.owner		= THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  172) 	.open		= &display_open,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  173) 	.write		= &lcd_write,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  174) 	.release	= &display_close,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  175) 	.llseek		= noop_llseek,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  176) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  178) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  179) 	IMON_DISPLAY_TYPE_AUTO = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  180) 	IMON_DISPLAY_TYPE_VFD  = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  181) 	IMON_DISPLAY_TYPE_LCD  = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  182) 	IMON_DISPLAY_TYPE_VGA  = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  183) 	IMON_DISPLAY_TYPE_NONE = 4,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  184) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  186) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  187) 	IMON_KEY_IMON	= 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  188) 	IMON_KEY_MCE	= 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  189) 	IMON_KEY_PANEL	= 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  190) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  192) static struct usb_class_driver imon_vfd_class = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  193) 	.name		= DEVICE_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  194) 	.fops		= &vfd_fops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  195) 	.minor_base	= DISPLAY_MINOR_BASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  196) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  197) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  198) static struct usb_class_driver imon_lcd_class = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  199) 	.name		= DEVICE_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  200) 	.fops		= &lcd_fops,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  201) 	.minor_base	= DISPLAY_MINOR_BASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  202) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  203) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  204) /* imon receiver front panel/knob key table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  205) static const struct imon_usb_dev_descr imon_default_table = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  206) 	.flags = IMON_NO_FLAGS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  207) 	.key_table = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  208) 		{ 0x000000000f00ffeell, KEY_MEDIA }, /* Go */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  209) 		{ 0x000000001200ffeell, KEY_UP },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  210) 		{ 0x000000001300ffeell, KEY_DOWN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  211) 		{ 0x000000001400ffeell, KEY_LEFT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  212) 		{ 0x000000001500ffeell, KEY_RIGHT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  213) 		{ 0x000000001600ffeell, KEY_ENTER },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  214) 		{ 0x000000001700ffeell, KEY_ESC },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  215) 		{ 0x000000001f00ffeell, KEY_AUDIO },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  216) 		{ 0x000000002000ffeell, KEY_VIDEO },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  217) 		{ 0x000000002100ffeell, KEY_CAMERA },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  218) 		{ 0x000000002700ffeell, KEY_DVD },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  219) 		{ 0x000000002300ffeell, KEY_TV },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  220) 		{ 0x000000002b00ffeell, KEY_EXIT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  221) 		{ 0x000000002c00ffeell, KEY_SELECT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  222) 		{ 0x000000002d00ffeell, KEY_MENU },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  223) 		{ 0x000000000500ffeell, KEY_PREVIOUS },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  224) 		{ 0x000000000700ffeell, KEY_REWIND },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  225) 		{ 0x000000000400ffeell, KEY_STOP },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  226) 		{ 0x000000003c00ffeell, KEY_PLAYPAUSE },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  227) 		{ 0x000000000800ffeell, KEY_FASTFORWARD },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  228) 		{ 0x000000000600ffeell, KEY_NEXT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  229) 		{ 0x000000010000ffeell, KEY_RIGHT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  230) 		{ 0x000001000000ffeell, KEY_LEFT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  231) 		{ 0x000000003d00ffeell, KEY_SELECT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  232) 		{ 0x000100000000ffeell, KEY_VOLUMEUP },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  233) 		{ 0x010000000000ffeell, KEY_VOLUMEDOWN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  234) 		{ 0x000000000100ffeell, KEY_MUTE },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  235) 		/* 0xffdc iMON MCE VFD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  236) 		{ 0x00010000ffffffeell, KEY_VOLUMEUP },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  237) 		{ 0x01000000ffffffeell, KEY_VOLUMEDOWN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  238) 		{ 0x00000001ffffffeell, KEY_MUTE },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  239) 		{ 0x0000000fffffffeell, KEY_MEDIA },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  240) 		{ 0x00000012ffffffeell, KEY_UP },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  241) 		{ 0x00000013ffffffeell, KEY_DOWN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  242) 		{ 0x00000014ffffffeell, KEY_LEFT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  243) 		{ 0x00000015ffffffeell, KEY_RIGHT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  244) 		{ 0x00000016ffffffeell, KEY_ENTER },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  245) 		{ 0x00000017ffffffeell, KEY_ESC },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  246) 		/* iMON Knob values */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  247) 		{ 0x000100ffffffffeell, KEY_VOLUMEUP },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  248) 		{ 0x010000ffffffffeell, KEY_VOLUMEDOWN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  249) 		{ 0x000008ffffffffeell, KEY_MUTE },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  250) 		{ 0, KEY_RESERVED },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  251) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  252) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  253) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  254) static const struct imon_usb_dev_descr imon_OEM_VFD = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  255) 	.flags = IMON_NEED_20MS_PKT_DELAY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  256) 	.key_table = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  257) 		{ 0x000000000f00ffeell, KEY_MEDIA }, /* Go */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  258) 		{ 0x000000001200ffeell, KEY_UP },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  259) 		{ 0x000000001300ffeell, KEY_DOWN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  260) 		{ 0x000000001400ffeell, KEY_LEFT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  261) 		{ 0x000000001500ffeell, KEY_RIGHT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  262) 		{ 0x000000001600ffeell, KEY_ENTER },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  263) 		{ 0x000000001700ffeell, KEY_ESC },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  264) 		{ 0x000000001f00ffeell, KEY_AUDIO },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  265) 		{ 0x000000002b00ffeell, KEY_EXIT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  266) 		{ 0x000000002c00ffeell, KEY_SELECT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  267) 		{ 0x000000002d00ffeell, KEY_MENU },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  268) 		{ 0x000000000500ffeell, KEY_PREVIOUS },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  269) 		{ 0x000000000700ffeell, KEY_REWIND },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  270) 		{ 0x000000000400ffeell, KEY_STOP },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  271) 		{ 0x000000003c00ffeell, KEY_PLAYPAUSE },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  272) 		{ 0x000000000800ffeell, KEY_FASTFORWARD },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  273) 		{ 0x000000000600ffeell, KEY_NEXT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  274) 		{ 0x000000010000ffeell, KEY_RIGHT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  275) 		{ 0x000001000000ffeell, KEY_LEFT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  276) 		{ 0x000000003d00ffeell, KEY_SELECT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  277) 		{ 0x000100000000ffeell, KEY_VOLUMEUP },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  278) 		{ 0x010000000000ffeell, KEY_VOLUMEDOWN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  279) 		{ 0x000000000100ffeell, KEY_MUTE },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  280) 		/* 0xffdc iMON MCE VFD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  281) 		{ 0x00010000ffffffeell, KEY_VOLUMEUP },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  282) 		{ 0x01000000ffffffeell, KEY_VOLUMEDOWN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  283) 		{ 0x00000001ffffffeell, KEY_MUTE },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  284) 		{ 0x0000000fffffffeell, KEY_MEDIA },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  285) 		{ 0x00000012ffffffeell, KEY_UP },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  286) 		{ 0x00000013ffffffeell, KEY_DOWN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  287) 		{ 0x00000014ffffffeell, KEY_LEFT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  288) 		{ 0x00000015ffffffeell, KEY_RIGHT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  289) 		{ 0x00000016ffffffeell, KEY_ENTER },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  290) 		{ 0x00000017ffffffeell, KEY_ESC },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  291) 		/* iMON Knob values */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  292) 		{ 0x000100ffffffffeell, KEY_VOLUMEUP },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  293) 		{ 0x010000ffffffffeell, KEY_VOLUMEDOWN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  294) 		{ 0x000008ffffffffeell, KEY_MUTE },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  295) 		{ 0, KEY_RESERVED },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  296) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  297) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  298) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  299) /* imon receiver front panel/knob key table for DH102*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  300) static const struct imon_usb_dev_descr imon_DH102 = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  301) 	.flags = IMON_NO_FLAGS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  302) 	.key_table = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  303) 		{ 0x000100000000ffeell, KEY_VOLUMEUP },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  304) 		{ 0x010000000000ffeell, KEY_VOLUMEDOWN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  305) 		{ 0x000000010000ffeell, KEY_MUTE },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  306) 		{ 0x0000000f0000ffeell, KEY_MEDIA },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  307) 		{ 0x000000120000ffeell, KEY_UP },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  308) 		{ 0x000000130000ffeell, KEY_DOWN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  309) 		{ 0x000000140000ffeell, KEY_LEFT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  310) 		{ 0x000000150000ffeell, KEY_RIGHT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  311) 		{ 0x000000160000ffeell, KEY_ENTER },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  312) 		{ 0x000000170000ffeell, KEY_ESC },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  313) 		{ 0x0000002b0000ffeell, KEY_EXIT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  314) 		{ 0x0000002c0000ffeell, KEY_SELECT },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  315) 		{ 0x0000002d0000ffeell, KEY_MENU },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  316) 		{ 0, KEY_RESERVED }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  317) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  318) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  319) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  320) /* imon ultrabay front panel key table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  321) static const struct imon_usb_dev_descr ultrabay_table = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  322) 	.flags = IMON_SUPPRESS_REPEATED_KEYS,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  323) 	.key_table = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  324) 		{ 0x0000000f0000ffeell, KEY_MEDIA },      /* Go */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  325) 		{ 0x000000000100ffeell, KEY_UP },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  326) 		{ 0x000000000001ffeell, KEY_DOWN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  327) 		{ 0x000000160000ffeell, KEY_ENTER },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  328) 		{ 0x0000001f0000ffeell, KEY_AUDIO },      /* Music */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  329) 		{ 0x000000200000ffeell, KEY_VIDEO },      /* Movie */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  330) 		{ 0x000000210000ffeell, KEY_CAMERA },     /* Photo */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  331) 		{ 0x000000270000ffeell, KEY_DVD },        /* DVD */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  332) 		{ 0x000000230000ffeell, KEY_TV },         /* TV */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  333) 		{ 0x000000050000ffeell, KEY_PREVIOUS },   /* Previous */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  334) 		{ 0x000000070000ffeell, KEY_REWIND },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  335) 		{ 0x000000040000ffeell, KEY_STOP },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  336) 		{ 0x000000020000ffeell, KEY_PLAYPAUSE },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  337) 		{ 0x000000080000ffeell, KEY_FASTFORWARD },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  338) 		{ 0x000000060000ffeell, KEY_NEXT },       /* Next */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  339) 		{ 0x000100000000ffeell, KEY_VOLUMEUP },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  340) 		{ 0x010000000000ffeell, KEY_VOLUMEDOWN },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  341) 		{ 0x000000010000ffeell, KEY_MUTE },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  342) 		{ 0, KEY_RESERVED },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  343) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  344) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  345) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  346) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  347)  * USB Device ID for iMON USB Control Boards
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  348)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  349)  * The Windows drivers contain 6 different inf files, more or less one for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  350)  * each new device until the 0x0034-0x0046 devices, which all use the same
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  351)  * driver. Some of the devices in the 34-46 range haven't been definitively
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  352)  * identified yet. Early devices have either a TriGem Computer, Inc. or a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  353)  * Samsung vendor ID (0x0aa8 and 0x04e8 respectively), while all later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  354)  * devices use the SoundGraph vendor ID (0x15c2). This driver only supports
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  355)  * the ffdc and later devices, which do onboard decoding.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  356)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  357) static const struct usb_device_id imon_usb_id_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  358) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  359) 	 * Several devices with this same device ID, all use iMON_PAD.inf
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  360) 	 * SoundGraph iMON PAD (IR & VFD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  361) 	 * SoundGraph iMON PAD (IR & LCD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  362) 	 * SoundGraph iMON Knob (IR only)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  363) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  364) 	{ USB_DEVICE(0x15c2, 0xffdc),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  365) 	  .driver_info = (unsigned long)&imon_default_table },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  366) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  367) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  368) 	 * Newer devices, all driven by the latest iMON Windows driver, full
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  369) 	 * list of device IDs extracted via 'strings Setup/data1.hdr |grep 15c2'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  370) 	 * Need user input to fill in details on unknown devices.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  371) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  372) 	/* SoundGraph iMON OEM Touch LCD (IR & 7" VGA LCD) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  373) 	{ USB_DEVICE(0x15c2, 0x0034),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  374) 	  .driver_info = (unsigned long)&imon_DH102 },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  375) 	/* SoundGraph iMON OEM Touch LCD (IR & 4.3" VGA LCD) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  376) 	{ USB_DEVICE(0x15c2, 0x0035),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  377) 	  .driver_info = (unsigned long)&imon_default_table},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  378) 	/* SoundGraph iMON OEM VFD (IR & VFD) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  379) 	{ USB_DEVICE(0x15c2, 0x0036),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  380) 	  .driver_info = (unsigned long)&imon_OEM_VFD },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  381) 	/* device specifics unknown */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  382) 	{ USB_DEVICE(0x15c2, 0x0037),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  383) 	  .driver_info = (unsigned long)&imon_default_table},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  384) 	/* SoundGraph iMON OEM LCD (IR & LCD) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  385) 	{ USB_DEVICE(0x15c2, 0x0038),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  386) 	  .driver_info = (unsigned long)&imon_default_table},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  387) 	/* SoundGraph iMON UltraBay (IR & LCD) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  388) 	{ USB_DEVICE(0x15c2, 0x0039),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  389) 	  .driver_info = (unsigned long)&imon_default_table},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  390) 	/* device specifics unknown */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  391) 	{ USB_DEVICE(0x15c2, 0x003a),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  392) 	  .driver_info = (unsigned long)&imon_default_table},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  393) 	/* device specifics unknown */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  394) 	{ USB_DEVICE(0x15c2, 0x003b),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  395) 	  .driver_info = (unsigned long)&imon_default_table},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  396) 	/* SoundGraph iMON OEM Inside (IR only) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  397) 	{ USB_DEVICE(0x15c2, 0x003c),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  398) 	  .driver_info = (unsigned long)&imon_default_table},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  399) 	/* device specifics unknown */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  400) 	{ USB_DEVICE(0x15c2, 0x003d),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  401) 	  .driver_info = (unsigned long)&imon_default_table},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  402) 	/* device specifics unknown */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  403) 	{ USB_DEVICE(0x15c2, 0x003e),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  404) 	  .driver_info = (unsigned long)&imon_default_table},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  405) 	/* device specifics unknown */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  406) 	{ USB_DEVICE(0x15c2, 0x003f),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  407) 	  .driver_info = (unsigned long)&imon_default_table},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  408) 	/* device specifics unknown */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  409) 	{ USB_DEVICE(0x15c2, 0x0040),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  410) 	  .driver_info = (unsigned long)&imon_default_table},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  411) 	/* SoundGraph iMON MINI (IR only) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  412) 	{ USB_DEVICE(0x15c2, 0x0041),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  413) 	  .driver_info = (unsigned long)&imon_default_table},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  414) 	/* Antec Veris Multimedia Station EZ External (IR only) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  415) 	{ USB_DEVICE(0x15c2, 0x0042),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  416) 	  .driver_info = (unsigned long)&imon_default_table},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  417) 	/* Antec Veris Multimedia Station Basic Internal (IR only) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  418) 	{ USB_DEVICE(0x15c2, 0x0043),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  419) 	  .driver_info = (unsigned long)&imon_default_table},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  420) 	/* Antec Veris Multimedia Station Elite (IR & VFD) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  421) 	{ USB_DEVICE(0x15c2, 0x0044),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  422) 	  .driver_info = (unsigned long)&imon_default_table},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  423) 	/* Antec Veris Multimedia Station Premiere (IR & LCD) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  424) 	{ USB_DEVICE(0x15c2, 0x0045),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  425) 	  .driver_info = (unsigned long)&imon_default_table},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  426) 	/* device specifics unknown */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  427) 	{ USB_DEVICE(0x15c2, 0x0046),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  428) 	  .driver_info = (unsigned long)&imon_default_table},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  429) 	{}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  430) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  431) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  432) /* USB Device data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  433) static struct usb_driver imon_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  434) 	.name		= MOD_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  435) 	.probe		= imon_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  436) 	.disconnect	= imon_disconnect,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  437) 	.suspend	= imon_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  438) 	.resume		= imon_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  439) 	.id_table	= imon_usb_id_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  440) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  441) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  442) /* to prevent races between open() and disconnect(), probing, etc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  443) static DEFINE_MUTEX(driver_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  444) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  445) /* Module bookkeeping bits */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  446) MODULE_AUTHOR(MOD_AUTHOR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  447) MODULE_DESCRIPTION(MOD_DESC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  448) MODULE_VERSION(MOD_VERSION);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  449) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  450) MODULE_DEVICE_TABLE(usb, imon_usb_id_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  451) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  452) static bool debug;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  453) module_param(debug, bool, S_IRUGO | S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  454) MODULE_PARM_DESC(debug, "Debug messages: 0=no, 1=yes (default: no)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  455) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  456) /* lcd, vfd, vga or none? should be auto-detected, but can be overridden... */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  457) static int display_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  458) module_param(display_type, int, S_IRUGO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  459) MODULE_PARM_DESC(display_type, "Type of attached display. 0=autodetect, 1=vfd, 2=lcd, 3=vga, 4=none (default: autodetect)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  460) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  461) static int pad_stabilize = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  462) module_param(pad_stabilize, int, S_IRUGO | S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  463) MODULE_PARM_DESC(pad_stabilize, "Apply stabilization algorithm to iMON PAD presses in arrow key mode. 0=disable, 1=enable (default).");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  464) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  465) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  466)  * In certain use cases, mouse mode isn't really helpful, and could actually
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  467)  * cause confusion, so allow disabling it when the IR device is open.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  468)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  469) static bool nomouse;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  470) module_param(nomouse, bool, S_IRUGO | S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  471) MODULE_PARM_DESC(nomouse, "Disable mouse input device mode when IR device is open. 0=don't disable, 1=disable. (default: don't disable)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  472) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  473) /* threshold at which a pad push registers as an arrow key in kbd mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  474) static int pad_thresh;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  475) module_param(pad_thresh, int, S_IRUGO | S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  476) MODULE_PARM_DESC(pad_thresh, "Threshold at which a pad push registers as an arrow key in kbd mode (default: 28)");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  477) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  478) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  479) static void free_imon_context(struct imon_context *ictx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  480) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  481) 	struct device *dev = ictx->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  482) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  483) 	usb_free_urb(ictx->tx_urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  484) 	usb_free_urb(ictx->rx_urb_intf0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  485) 	usb_free_urb(ictx->rx_urb_intf1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  486) 	kfree(ictx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  487) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  488) 	dev_dbg(dev, "%s: iMON context freed\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  489) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  490) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  491) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  492)  * Called when the Display device (e.g. /dev/lcd0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  493)  * is opened by the application.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  494)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  495) static int display_open(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  496) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  497) 	struct usb_interface *interface;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  498) 	struct imon_context *ictx = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  499) 	int subminor;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  500) 	int retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  501) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  502) 	/* prevent races with disconnect */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  503) 	mutex_lock(&driver_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  504) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  505) 	subminor = iminor(inode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  506) 	interface = usb_find_interface(&imon_driver, subminor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  507) 	if (!interface) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  508) 		pr_err("could not find interface for minor %d\n", subminor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  509) 		retval = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  510) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  511) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  512) 	ictx = usb_get_intfdata(interface);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  513) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  514) 	if (!ictx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  515) 		pr_err("no context found for minor %d\n", subminor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  516) 		retval = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  517) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  518) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  519) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  520) 	mutex_lock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  521) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  522) 	if (!ictx->display_supported) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  523) 		pr_err("display not supported by device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  524) 		retval = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  525) 	} else if (ictx->display_isopen) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  526) 		pr_err("display port is already open\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  527) 		retval = -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  528) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  529) 		ictx->display_isopen = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  530) 		file->private_data = ictx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  531) 		dev_dbg(ictx->dev, "display port opened\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  532) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  533) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  534) 	mutex_unlock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  535) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  536) exit:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  537) 	mutex_unlock(&driver_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  538) 	return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  539) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  540) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  541) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  542)  * Called when the display device (e.g. /dev/lcd0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  543)  * is closed by the application.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  544)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  545) static int display_close(struct inode *inode, struct file *file)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  546) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  547) 	struct imon_context *ictx = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  548) 	int retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  549) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  550) 	ictx = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  551) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  552) 	if (!ictx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  553) 		pr_err("no context for device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  554) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  555) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  556) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  557) 	mutex_lock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  558) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  559) 	if (!ictx->display_supported) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  560) 		pr_err("display not supported by device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  561) 		retval = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  562) 	} else if (!ictx->display_isopen) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  563) 		pr_err("display is not open\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  564) 		retval = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  565) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  566) 		ictx->display_isopen = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  567) 		dev_dbg(ictx->dev, "display port closed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  568) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  569) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  570) 	mutex_unlock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  571) 	return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  572) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  573) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  574) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  575)  * Sends a packet to the device -- this function must be called with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  576)  * ictx->lock held, or its unlock/lock sequence while waiting for tx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  577)  * to complete can/will lead to a deadlock.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  578)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  579) static int send_packet(struct imon_context *ictx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  580) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  581) 	unsigned int pipe;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  582) 	unsigned long timeout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  583) 	int interval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  584) 	int retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  585) 	struct usb_ctrlrequest *control_req = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  586) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  587) 	/* Check if we need to use control or interrupt urb */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  588) 	if (!ictx->tx_control) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  589) 		pipe = usb_sndintpipe(ictx->usbdev_intf0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  590) 				      ictx->tx_endpoint->bEndpointAddress);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  591) 		interval = ictx->tx_endpoint->bInterval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  592) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  593) 		usb_fill_int_urb(ictx->tx_urb, ictx->usbdev_intf0, pipe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  594) 				 ictx->usb_tx_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  595) 				 sizeof(ictx->usb_tx_buf),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  596) 				 usb_tx_callback, ictx, interval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  597) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  598) 		ictx->tx_urb->actual_length = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  599) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  600) 		/* fill request into kmalloc'ed space: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  601) 		control_req = kmalloc(sizeof(*control_req), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  602) 		if (control_req == NULL)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  603) 			return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  604) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  605) 		/* setup packet is '21 09 0200 0001 0008' */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  606) 		control_req->bRequestType = 0x21;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  607) 		control_req->bRequest = 0x09;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  608) 		control_req->wValue = cpu_to_le16(0x0200);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  609) 		control_req->wIndex = cpu_to_le16(0x0001);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  610) 		control_req->wLength = cpu_to_le16(0x0008);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  611) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  612) 		/* control pipe is endpoint 0x00 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  613) 		pipe = usb_sndctrlpipe(ictx->usbdev_intf0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  614) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  615) 		/* build the control urb */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  616) 		usb_fill_control_urb(ictx->tx_urb, ictx->usbdev_intf0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  617) 				     pipe, (unsigned char *)control_req,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  618) 				     ictx->usb_tx_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  619) 				     sizeof(ictx->usb_tx_buf),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  620) 				     usb_tx_callback, ictx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  621) 		ictx->tx_urb->actual_length = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  622) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  623) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  624) 	reinit_completion(&ictx->tx.finished);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  625) 	ictx->tx.busy = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  626) 	smp_rmb(); /* ensure later readers know we're busy */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  627) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  628) 	retval = usb_submit_urb(ictx->tx_urb, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  629) 	if (retval) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  630) 		ictx->tx.busy = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  631) 		smp_rmb(); /* ensure later readers know we're not busy */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  632) 		pr_err_ratelimited("error submitting urb(%d)\n", retval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  633) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  634) 		/* Wait for transmission to complete (or abort) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  635) 		mutex_unlock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  636) 		retval = wait_for_completion_interruptible(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  637) 				&ictx->tx.finished);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  638) 		if (retval) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  639) 			usb_kill_urb(ictx->tx_urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  640) 			pr_err_ratelimited("task interrupted\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  641) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  642) 		mutex_lock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  643) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  644) 		retval = ictx->tx.status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  645) 		if (retval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  646) 			pr_err_ratelimited("packet tx failed (%d)\n", retval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  647) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  648) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  649) 	kfree(control_req);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  650) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  651) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  652) 	 * Induce a mandatory delay before returning, as otherwise,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  653) 	 * send_packet can get called so rapidly as to overwhelm the device,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  654) 	 * particularly on faster systems and/or those with quirky usb.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  655) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  656) 	timeout = msecs_to_jiffies(ictx->send_packet_delay);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  657) 	set_current_state(TASK_INTERRUPTIBLE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  658) 	schedule_timeout(timeout);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  659) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  660) 	return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  661) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  662) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  663) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  664)  * Sends an associate packet to the iMON 2.4G.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  665)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  666)  * This might not be such a good idea, since it has an id collision with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  667)  * some versions of the "IR & VFD" combo. The only way to determine if it
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  668)  * is an RF version is to look at the product description string. (Which
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  669)  * we currently do not fetch).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  670)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  671) static int send_associate_24g(struct imon_context *ictx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  672) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  673) 	int retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  674) 	const unsigned char packet[8] = { 0x01, 0x00, 0x00, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  675) 					  0x00, 0x00, 0x00, 0x20 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  676) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  677) 	if (!ictx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  678) 		pr_err("no context for device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  679) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  680) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  681) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  682) 	if (!ictx->dev_present_intf0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  683) 		pr_err("no iMON device present\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  684) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  685) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  686) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  687) 	memcpy(ictx->usb_tx_buf, packet, sizeof(packet));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  688) 	retval = send_packet(ictx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  689) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  690) 	return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  691) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  692) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  693) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  694)  * Sends packets to setup and show clock on iMON display
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  695)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  696)  * Arguments: year - last 2 digits of year, month - 1..12,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  697)  * day - 1..31, dow - day of the week (0-Sun...6-Sat),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  698)  * hour - 0..23, minute - 0..59, second - 0..59
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  699)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  700) static int send_set_imon_clock(struct imon_context *ictx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  701) 			       unsigned int year, unsigned int month,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  702) 			       unsigned int day, unsigned int dow,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  703) 			       unsigned int hour, unsigned int minute,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  704) 			       unsigned int second)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  705) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  706) 	unsigned char clock_enable_pkt[IMON_CLOCK_ENABLE_PACKETS][8];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  707) 	int retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  708) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  709) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  710) 	if (!ictx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  711) 		pr_err("no context for device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  712) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  713) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  714) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  715) 	switch (ictx->display_type) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  716) 	case IMON_DISPLAY_TYPE_LCD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  717) 		clock_enable_pkt[0][0] = 0x80;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  718) 		clock_enable_pkt[0][1] = year;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  719) 		clock_enable_pkt[0][2] = month-1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  720) 		clock_enable_pkt[0][3] = day;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  721) 		clock_enable_pkt[0][4] = hour;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  722) 		clock_enable_pkt[0][5] = minute;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  723) 		clock_enable_pkt[0][6] = second;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  724) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  725) 		clock_enable_pkt[1][0] = 0x80;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  726) 		clock_enable_pkt[1][1] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  727) 		clock_enable_pkt[1][2] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  728) 		clock_enable_pkt[1][3] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  729) 		clock_enable_pkt[1][4] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  730) 		clock_enable_pkt[1][5] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  731) 		clock_enable_pkt[1][6] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  732) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  733) 		if (ictx->product == 0xffdc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  734) 			clock_enable_pkt[0][7] = 0x50;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  735) 			clock_enable_pkt[1][7] = 0x51;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  736) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  737) 			clock_enable_pkt[0][7] = 0x88;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  738) 			clock_enable_pkt[1][7] = 0x8a;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  739) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  740) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  741) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  742) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  743) 	case IMON_DISPLAY_TYPE_VFD:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  744) 		clock_enable_pkt[0][0] = year;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  745) 		clock_enable_pkt[0][1] = month-1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  746) 		clock_enable_pkt[0][2] = day;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  747) 		clock_enable_pkt[0][3] = dow;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  748) 		clock_enable_pkt[0][4] = hour;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  749) 		clock_enable_pkt[0][5] = minute;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  750) 		clock_enable_pkt[0][6] = second;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  751) 		clock_enable_pkt[0][7] = 0x40;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  752) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  753) 		clock_enable_pkt[1][0] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  754) 		clock_enable_pkt[1][1] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  755) 		clock_enable_pkt[1][2] = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  756) 		clock_enable_pkt[1][3] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  757) 		clock_enable_pkt[1][4] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  758) 		clock_enable_pkt[1][5] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  759) 		clock_enable_pkt[1][6] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  760) 		clock_enable_pkt[1][7] = 0x42;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  761) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  762) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  763) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  764) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  765) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  766) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  767) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  768) 	for (i = 0; i < IMON_CLOCK_ENABLE_PACKETS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  769) 		memcpy(ictx->usb_tx_buf, clock_enable_pkt[i], 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  770) 		retval = send_packet(ictx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  771) 		if (retval) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  772) 			pr_err("send_packet failed for packet %d\n", i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  773) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  774) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  775) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  776) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  777) 	return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  778) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  779) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  780) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  781)  * These are the sysfs functions to handle the association on the iMON 2.4G LT.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  782)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  783) static ssize_t show_associate_remote(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  784) 				     struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  785) 				     char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  786) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  787) 	struct imon_context *ictx = dev_get_drvdata(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  788) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  789) 	if (!ictx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  790) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  791) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  792) 	mutex_lock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  793) 	if (ictx->rf_isassociating)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  794) 		strscpy(buf, "associating\n", PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  795) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  796) 		strscpy(buf, "closed\n", PAGE_SIZE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  797) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  798) 	dev_info(d, "Visit https://www.lirc.org/html/imon-24g.html for instructions on how to associate your iMON 2.4G DT/LT remote\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  799) 	mutex_unlock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  800) 	return strlen(buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  801) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  802) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  803) static ssize_t store_associate_remote(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  804) 				      struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  805) 				      const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  806) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  807) 	struct imon_context *ictx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  808) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  809) 	ictx = dev_get_drvdata(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  810) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  811) 	if (!ictx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  812) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  813) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  814) 	mutex_lock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  815) 	ictx->rf_isassociating = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  816) 	send_associate_24g(ictx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  817) 	mutex_unlock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  818) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  819) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  820) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  821) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  822) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  823)  * sysfs functions to control internal imon clock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  824)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  825) static ssize_t show_imon_clock(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  826) 			       struct device_attribute *attr, char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  827) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  828) 	struct imon_context *ictx = dev_get_drvdata(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  829) 	size_t len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  830) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  831) 	if (!ictx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  832) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  833) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  834) 	mutex_lock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  835) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  836) 	if (!ictx->display_supported) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  837) 		len = snprintf(buf, PAGE_SIZE, "Not supported.");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  838) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  839) 		len = snprintf(buf, PAGE_SIZE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  840) 			"To set the clock on your iMON display:\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  841) 			"# date \"+%%y %%m %%d %%w %%H %%M %%S\" > imon_clock\n"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  842) 			"%s", ictx->display_isopen ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  843) 			"\nNOTE: imon device must be closed\n" : "");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  844) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  845) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  846) 	mutex_unlock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  847) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  848) 	return len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  849) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  850) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  851) static ssize_t store_imon_clock(struct device *d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  852) 				struct device_attribute *attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  853) 				const char *buf, size_t count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  854) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  855) 	struct imon_context *ictx = dev_get_drvdata(d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  856) 	ssize_t retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  857) 	unsigned int year, month, day, dow, hour, minute, second;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  858) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  859) 	if (!ictx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  860) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  861) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  862) 	mutex_lock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  863) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  864) 	if (!ictx->display_supported) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  865) 		retval = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  866) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  867) 	} else if (ictx->display_isopen) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  868) 		retval = -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  869) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  870) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  871) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  872) 	if (sscanf(buf, "%u %u %u %u %u %u %u",	&year, &month, &day, &dow,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  873) 		   &hour, &minute, &second) != 7) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  874) 		retval = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  875) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  876) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  877) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  878) 	if ((month < 1 || month > 12) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  879) 	    (day < 1 || day > 31) || (dow > 6) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  880) 	    (hour > 23) || (minute > 59) || (second > 59)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  881) 		retval = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  882) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  883) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  884) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  885) 	retval = send_set_imon_clock(ictx, year, month, day, dow,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  886) 				     hour, minute, second);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  887) 	if (retval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  888) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  889) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  890) 	retval = count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  891) exit:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  892) 	mutex_unlock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  893) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  894) 	return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  895) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  896) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  897) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  898) static DEVICE_ATTR(imon_clock, S_IWUSR | S_IRUGO, show_imon_clock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  899) 		   store_imon_clock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  900) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  901) static DEVICE_ATTR(associate_remote, S_IWUSR | S_IRUGO, show_associate_remote,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  902) 		   store_associate_remote);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  903) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  904) static struct attribute *imon_display_sysfs_entries[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  905) 	&dev_attr_imon_clock.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  906) 	NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  907) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  908) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  909) static const struct attribute_group imon_display_attr_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  910) 	.attrs = imon_display_sysfs_entries
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  911) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  912) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  913) static struct attribute *imon_rf_sysfs_entries[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  914) 	&dev_attr_associate_remote.attr,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  915) 	NULL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  916) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  917) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  918) static const struct attribute_group imon_rf_attr_group = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  919) 	.attrs = imon_rf_sysfs_entries
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  920) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  921) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  922) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  923)  * Writes data to the VFD.  The iMON VFD is 2x16 characters
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  924)  * and requires data in 5 consecutive USB interrupt packets,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  925)  * each packet but the last carrying 7 bytes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  926)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  927)  * I don't know if the VFD board supports features such as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  928)  * scrolling, clearing rows, blanking, etc. so at
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  929)  * the caller must provide a full screen of data.  If fewer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  930)  * than 32 bytes are provided spaces will be appended to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  931)  * generate a full screen.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  932)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  933) static ssize_t vfd_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  934) 			 size_t n_bytes, loff_t *pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  935) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  936) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  937) 	int offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  938) 	int seq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  939) 	int retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  940) 	struct imon_context *ictx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  941) 	static const unsigned char vfd_packet6[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  942) 		0x01, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  943) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  944) 	ictx = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  945) 	if (!ictx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  946) 		pr_err_ratelimited("no context for device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  947) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  948) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  949) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  950) 	mutex_lock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  951) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  952) 	if (!ictx->dev_present_intf0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  953) 		pr_err_ratelimited("no iMON device present\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  954) 		retval = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  955) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  956) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  957) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  958) 	if (n_bytes <= 0 || n_bytes > 32) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  959) 		pr_err_ratelimited("invalid payload size\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  960) 		retval = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  961) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  962) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  963) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  964) 	if (copy_from_user(ictx->tx.data_buf, buf, n_bytes)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  965) 		retval = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  966) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  967) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  968) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  969) 	/* Pad with spaces */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  970) 	for (i = n_bytes; i < 32; ++i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  971) 		ictx->tx.data_buf[i] = ' ';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  972) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  973) 	for (i = 32; i < 35; ++i)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  974) 		ictx->tx.data_buf[i] = 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  975) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  976) 	offset = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  977) 	seq = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  978) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  979) 	do {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  980) 		memcpy(ictx->usb_tx_buf, ictx->tx.data_buf + offset, 7);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  981) 		ictx->usb_tx_buf[7] = (unsigned char) seq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  982) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  983) 		retval = send_packet(ictx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  984) 		if (retval) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  985) 			pr_err_ratelimited("send packet #%d failed\n", seq / 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  986) 			goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  987) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  988) 			seq += 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  989) 			offset += 7;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  990) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  991) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  992) 	} while (offset < 35);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  993) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  994) 	/* Send packet #6 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  995) 	memcpy(ictx->usb_tx_buf, &vfd_packet6, sizeof(vfd_packet6));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  996) 	ictx->usb_tx_buf[7] = (unsigned char) seq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  997) 	retval = send_packet(ictx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  998) 	if (retval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  999) 		pr_err_ratelimited("send packet #%d failed\n", seq / 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) exit:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) 	mutex_unlock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) 	return (!retval) ? n_bytes : retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008)  * Writes data to the LCD.  The iMON OEM LCD screen expects 8-byte
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009)  * packets. We accept data as 16 hexadecimal digits, followed by a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010)  * newline (to make it easy to drive the device from a command-line
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011)  * -- even though the actual binary data is a bit complicated).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013)  * The device itself is not a "traditional" text-mode display. It's
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014)  * actually a 16x96 pixel bitmap display. That means if you want to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015)  * display text, you've got to have your own "font" and translate the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016)  * text into bitmaps for display. This is really flexible (you can
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017)  * display whatever diacritics you need, and so on), but it's also
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018)  * a lot more complicated than most LCDs...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) static ssize_t lcd_write(struct file *file, const char __user *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) 			 size_t n_bytes, loff_t *pos)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) 	int retval = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) 	struct imon_context *ictx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) 	ictx = file->private_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) 	if (!ictx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) 		pr_err_ratelimited("no context for device\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) 	mutex_lock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) 	if (!ictx->display_supported) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) 		pr_err_ratelimited("no iMON display present\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) 		retval = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) 	if (n_bytes != 8) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) 		pr_err_ratelimited("invalid payload size: %d (expected 8)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) 				   (int)n_bytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) 		retval = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) 	if (copy_from_user(ictx->usb_tx_buf, buf, 8)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) 		retval = -EFAULT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) 	retval = send_packet(ictx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) 	if (retval) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) 		pr_err_ratelimited("send packet failed!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) 		dev_dbg(ictx->dev, "%s: write %d bytes to LCD\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) 			__func__, (int) n_bytes);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) exit:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) 	mutex_unlock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) 	return (!retval) ? n_bytes : retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066)  * Callback function for USB core API: transmit data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) static void usb_tx_callback(struct urb *urb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) 	struct imon_context *ictx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) 	if (!urb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) 	ictx = (struct imon_context *)urb->context;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) 	if (!ictx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) 	ictx->tx.status = urb->status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) 	/* notify waiters that write has finished */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) 	ictx->tx.busy = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) 	smp_rmb(); /* ensure later readers know we're not busy */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) 	complete(&ictx->tx.finished);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087)  * report touchscreen input
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) static void imon_touch_display_timeout(struct timer_list *t)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) 	struct imon_context *ictx = from_timer(ictx, t, ttimer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) 	if (ictx->display_type != IMON_DISPLAY_TYPE_VGA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) 	input_report_abs(ictx->touch, ABS_X, ictx->touch_x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) 	input_report_abs(ictx->touch, ABS_Y, ictx->touch_y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) 	input_report_key(ictx->touch, BTN_TOUCH, 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) 	input_sync(ictx->touch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103)  * iMON IR receivers support two different signal sets -- those used by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104)  * the iMON remotes, and those used by the Windows MCE remotes (which is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105)  * really just RC-6), but only one or the other at a time, as the signals
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106)  * are decoded onboard the receiver.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108)  * This function gets called two different ways, one way is from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109)  * rc_register_device, for initial protocol selection/setup, and the other is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110)  * via a userspace-initiated protocol change request, either by direct sysfs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111)  * prodding or by something like ir-keytable. In the rc_register_device case,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112)  * the imon context lock is already held, but when initiated from userspace,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113)  * it is not, so we must acquire it prior to calling send_packet, which
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114)  * requires that the lock is held.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) static int imon_ir_change_protocol(struct rc_dev *rc, u64 *rc_proto)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) 	int retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) 	struct imon_context *ictx = rc->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) 	struct device *dev = ictx->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) 	bool unlock = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122) 	unsigned char ir_proto_packet[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123) 		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x86 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125) 	if (*rc_proto && !(*rc_proto & rc->allowed_protocols))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126) 		dev_warn(dev, "Looks like you're trying to use an IR protocol this device does not support\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) 	if (*rc_proto & RC_PROTO_BIT_RC6_MCE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) 		dev_dbg(dev, "Configuring IR receiver for MCE protocol\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) 		ir_proto_packet[0] = 0x01;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) 		*rc_proto = RC_PROTO_BIT_RC6_MCE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) 	} else if (*rc_proto & RC_PROTO_BIT_IMON) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) 		dev_dbg(dev, "Configuring IR receiver for iMON protocol\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) 		if (!pad_stabilize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) 			dev_dbg(dev, "PAD stabilize functionality disabled\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) 		/* ir_proto_packet[0] = 0x00; // already the default */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) 		*rc_proto = RC_PROTO_BIT_IMON;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) 		dev_warn(dev, "Unsupported IR protocol specified, overriding to iMON IR protocol\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) 		if (!pad_stabilize)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) 			dev_dbg(dev, "PAD stabilize functionality disabled\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) 		/* ir_proto_packet[0] = 0x00; // already the default */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) 		*rc_proto = RC_PROTO_BIT_IMON;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) 	memcpy(ictx->usb_tx_buf, &ir_proto_packet, sizeof(ir_proto_packet));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) 	if (!mutex_is_locked(&ictx->lock)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) 		unlock = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) 		mutex_lock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) 	retval = send_packet(ictx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) 	if (retval)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) 	ictx->rc_proto = *rc_proto;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) 	ictx->pad_mouse = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) 	if (unlock)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) 		mutex_unlock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) 	return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168)  * The directional pad behaves a bit differently, depending on whether this is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169)  * one of the older ffdc devices or a newer device. Newer devices appear to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170)  * have a higher resolution matrix for more precise mouse movement, but it
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171)  * makes things overly sensitive in keyboard mode, so we do some interesting
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172)  * contortions to make it less touchy. Older devices run through the same
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173)  * routine with shorter timeout and a smaller threshold.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) static int stabilize(int a, int b, u16 timeout, u16 threshold)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) 	ktime_t ct;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) 	static ktime_t prev_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) 	static ktime_t hit_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) 	static int x, y, prev_result, hits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) 	int result = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) 	long msec, msec_hit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) 	ct = ktime_get();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) 	msec = ktime_ms_delta(ct, prev_time);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) 	msec_hit = ktime_ms_delta(ct, hit_time);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) 	if (msec > 100) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) 		x = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) 		y = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) 		hits = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) 	x += a;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) 	y += b;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) 	prev_time = ct;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) 	if (abs(x) > threshold || abs(y) > threshold) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) 		if (abs(y) > abs(x))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) 			result = (y > 0) ? 0x7F : 0x80;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) 			result = (x > 0) ? 0x7F00 : 0x8000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) 		x = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) 		y = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) 		if (result == prev_result) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) 			hits++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) 			if (hits > 3) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) 				switch (result) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) 				case 0x7F:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) 					y = 17 * threshold / 30;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) 					break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) 				case 0x80:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) 					y -= 17 * threshold / 30;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) 					break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) 				case 0x7F00:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) 					x = 17 * threshold / 30;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) 					break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) 				case 0x8000:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) 					x -= 17 * threshold / 30;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) 					break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) 			if (hits == 2 && msec_hit < timeout) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) 				result = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) 				hits = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) 			prev_result = result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) 			hits = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) 			hit_time = ct;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) 	return result;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) static u32 imon_remote_key_lookup(struct imon_context *ictx, u32 scancode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) 	u32 keycode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) 	u32 release;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) 	bool is_release_code = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) 	/* Look for the initial press of a button */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) 	keycode = rc_g_keycode_from_table(ictx->rdev, scancode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) 	ictx->rc_toggle = 0x0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251) 	ictx->rc_scancode = scancode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253) 	/* Look for the release of a button */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) 	if (keycode == KEY_RESERVED) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) 		release = scancode & ~0x4000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) 		keycode = rc_g_keycode_from_table(ictx->rdev, release);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) 		if (keycode != KEY_RESERVED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) 			is_release_code = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) 	ictx->release_code = is_release_code;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) 	return keycode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) static u32 imon_mce_key_lookup(struct imon_context *ictx, u32 scancode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) 	u32 keycode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) #define MCE_KEY_MASK 0x7000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) #define MCE_TOGGLE_BIT 0x8000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) 	 * On some receivers, mce keys decode to 0x8000f04xx and 0x8000f84xx
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) 	 * (the toggle bit flipping between alternating key presses), while
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) 	 * on other receivers, we see 0x8000f74xx and 0x8000ff4xx. To keep
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) 	 * the table trim, we always or in the bits to look up 0x8000ff4xx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) 	 * but we can't or them into all codes, as some keys are decoded in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) 	 * a different way w/o the same use of the toggle bit...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) 	if (scancode & 0x80000000)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) 		scancode = scancode | MCE_KEY_MASK | MCE_TOGGLE_BIT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) 	ictx->rc_scancode = scancode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) 	keycode = rc_g_keycode_from_table(ictx->rdev, scancode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) 	/* not used in mce mode, but make sure we know its false */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) 	ictx->release_code = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) 	return keycode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) static u32 imon_panel_key_lookup(struct imon_context *ictx, u64 code)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) 	const struct imon_panel_key_table *key_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) 	u32 keycode = KEY_RESERVED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) 	key_table = ictx->dev_descr->key_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) 	for (i = 0; key_table[i].hw_code != 0; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) 		if (key_table[i].hw_code == (code | 0xffee)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) 			keycode = key_table[i].keycode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) 	ictx->release_code = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) 	return keycode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) static bool imon_mouse_event(struct imon_context *ictx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) 			     unsigned char *buf, int len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) 	signed char rel_x = 0x00, rel_y = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) 	u8 right_shift = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) 	bool mouse_input = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) 	int dir = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) 	spin_lock_irqsave(&ictx->kc_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) 	/* newer iMON device PAD or mouse button */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) 	if (ictx->product != 0xffdc && (buf[0] & 0x01) && len == 5) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) 		rel_x = buf[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) 		rel_y = buf[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) 		right_shift = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) 	/* 0xffdc iMON PAD or mouse button input */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) 	} else if (ictx->product == 0xffdc && (buf[0] & 0x40) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) 			!((buf[1] & 0x01) || ((buf[1] >> 2) & 0x01))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) 		rel_x = (buf[1] & 0x08) | (buf[1] & 0x10) >> 2 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) 			(buf[1] & 0x20) >> 4 | (buf[1] & 0x40) >> 6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) 		if (buf[0] & 0x02)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) 			rel_x |= ~0x0f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) 		rel_x = rel_x + rel_x / 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) 		rel_y = (buf[2] & 0x08) | (buf[2] & 0x10) >> 2 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) 			(buf[2] & 0x20) >> 4 | (buf[2] & 0x40) >> 6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) 		if (buf[0] & 0x01)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) 			rel_y |= ~0x0f;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) 		rel_y = rel_y + rel_y / 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) 		right_shift = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) 	/* some ffdc devices decode mouse buttons differently... */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) 	} else if (ictx->product == 0xffdc && (buf[0] == 0x68)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) 		right_shift = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) 	/* ch+/- buttons, which we use for an emulated scroll wheel */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) 	} else if (ictx->kc == KEY_CHANNELUP && (buf[2] & 0x40) != 0x40) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) 		dir = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) 	} else if (ictx->kc == KEY_CHANNELDOWN && (buf[2] & 0x40) != 0x40) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) 		dir = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) 	} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) 		mouse_input = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) 	spin_unlock_irqrestore(&ictx->kc_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) 	if (mouse_input) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) 		dev_dbg(ictx->dev, "sending mouse data via input subsystem\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) 		if (dir) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) 			input_report_rel(ictx->idev, REL_WHEEL, dir);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) 		} else if (rel_x || rel_y) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) 			input_report_rel(ictx->idev, REL_X, rel_x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) 			input_report_rel(ictx->idev, REL_Y, rel_y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) 			input_report_key(ictx->idev, BTN_LEFT, buf[1] & 0x1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) 			input_report_key(ictx->idev, BTN_RIGHT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) 					 buf[1] >> right_shift & 0x1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) 		input_sync(ictx->idev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) 		spin_lock_irqsave(&ictx->kc_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) 		ictx->last_keycode = ictx->kc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) 		spin_unlock_irqrestore(&ictx->kc_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) 	return mouse_input;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) static void imon_touch_event(struct imon_context *ictx, unsigned char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) 	mod_timer(&ictx->ttimer, jiffies + TOUCH_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) 	ictx->touch_x = (buf[0] << 4) | (buf[1] >> 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) 	ictx->touch_y = 0xfff - ((buf[2] << 4) | (buf[1] & 0xf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) 	input_report_abs(ictx->touch, ABS_X, ictx->touch_x);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) 	input_report_abs(ictx->touch, ABS_Y, ictx->touch_y);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) 	input_report_key(ictx->touch, BTN_TOUCH, 0x01);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) 	input_sync(ictx->touch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) static void imon_pad_to_keys(struct imon_context *ictx, unsigned char *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) 	int dir = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) 	signed char rel_x = 0x00, rel_y = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) 	u16 timeout, threshold;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) 	u32 scancode = KEY_RESERVED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396) 	 * The imon directional pad functions more like a touchpad. Bytes 3 & 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) 	 * contain a position coordinate (x,y), with each component ranging
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) 	 * from -14 to 14. We want to down-sample this to only 4 discrete values
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) 	 * for up/down/left/right arrow keys. Also, when you get too close to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) 	 * diagonals, it has a tendency to jump back and forth, so lets try to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) 	 * ignore when they get too close.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) 	if (ictx->product != 0xffdc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) 		/* first, pad to 8 bytes so it conforms with everything else */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) 		buf[5] = buf[6] = buf[7] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) 		timeout = 500;	/* in msecs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) 		/* (2*threshold) x (2*threshold) square */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) 		threshold = pad_thresh ? pad_thresh : 28;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) 		rel_x = buf[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) 		rel_y = buf[3];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) 		if (ictx->rc_proto == RC_PROTO_BIT_IMON && pad_stabilize) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) 			if ((buf[1] == 0) && ((rel_x != 0) || (rel_y != 0))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414) 				dir = stabilize((int)rel_x, (int)rel_y,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415) 						timeout, threshold);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416) 				if (!dir) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) 					spin_lock_irqsave(&ictx->kc_lock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418) 							  flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) 					ictx->kc = KEY_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) 					spin_unlock_irqrestore(&ictx->kc_lock,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) 							       flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) 					return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) 				}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) 				buf[2] = dir & 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425) 				buf[3] = (dir >> 8) & 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426) 				scancode = be32_to_cpu(*((__be32 *)buf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429) 			/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) 			 * Hack alert: instead of using keycodes, we have
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) 			 * to use hard-coded scancodes here...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) 			if (abs(rel_y) > abs(rel_x)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434) 				buf[2] = (rel_y > 0) ? 0x7F : 0x80;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435) 				buf[3] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) 				if (rel_y > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437) 					scancode = 0x01007f00; /* KEY_DOWN */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438) 				else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439) 					scancode = 0x01008000; /* KEY_UP */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) 			} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) 				buf[2] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442) 				buf[3] = (rel_x > 0) ? 0x7F : 0x80;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) 				if (rel_x > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) 					scancode = 0x0100007f; /* KEY_RIGHT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445) 				else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) 					scancode = 0x01000080; /* KEY_LEFT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) 	 * Handle on-board decoded pad events for e.g. older VFD/iMON-Pad
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) 	 * device (15c2:ffdc). The remote generates various codes from
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453) 	 * 0x68nnnnB7 to 0x6AnnnnB7, the left mouse button generates
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) 	 * 0x688301b7 and the right one 0x688481b7. All other keys generate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) 	 * 0x2nnnnnnn. Position coordinate is encoded in buf[1] and buf[2] with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) 	 * reversed endianness. Extract direction from buffer, rotate endianness,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457) 	 * adjust sign and feed the values into stabilize(). The resulting codes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) 	 * will be 0x01008000, 0x01007F00, which match the newer devices.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) 		timeout = 10;	/* in msecs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462) 		/* (2*threshold) x (2*threshold) square */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) 		threshold = pad_thresh ? pad_thresh : 15;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465) 		/* buf[1] is x */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466) 		rel_x = (buf[1] & 0x08) | (buf[1] & 0x10) >> 2 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467) 			(buf[1] & 0x20) >> 4 | (buf[1] & 0x40) >> 6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468) 		if (buf[0] & 0x02)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) 			rel_x |= ~0x10+1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470) 		/* buf[2] is y */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471) 		rel_y = (buf[2] & 0x08) | (buf[2] & 0x10) >> 2 |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) 			(buf[2] & 0x20) >> 4 | (buf[2] & 0x40) >> 6;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473) 		if (buf[0] & 0x01)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474) 			rel_y |= ~0x10+1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476) 		buf[0] = 0x01;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477) 		buf[1] = buf[4] = buf[5] = buf[6] = buf[7] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) 		if (ictx->rc_proto == RC_PROTO_BIT_IMON && pad_stabilize) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480) 			dir = stabilize((int)rel_x, (int)rel_y,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481) 					timeout, threshold);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482) 			if (!dir) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) 				spin_lock_irqsave(&ictx->kc_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484) 				ictx->kc = KEY_UNKNOWN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485) 				spin_unlock_irqrestore(&ictx->kc_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486) 				return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488) 			buf[2] = dir & 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489) 			buf[3] = (dir >> 8) & 0xFF;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) 			scancode = be32_to_cpu(*((__be32 *)buf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) 			/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493) 			 * Hack alert: instead of using keycodes, we have
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494) 			 * to use hard-coded scancodes here...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) 			 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496) 			if (abs(rel_y) > abs(rel_x)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497) 				buf[2] = (rel_y > 0) ? 0x7F : 0x80;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) 				buf[3] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) 				if (rel_y > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) 					scancode = 0x01007f00; /* KEY_DOWN */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501) 				else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502) 					scancode = 0x01008000; /* KEY_UP */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) 			} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) 				buf[2] = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505) 				buf[3] = (rel_x > 0) ? 0x7F : 0x80;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) 				if (rel_x > 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) 					scancode = 0x0100007f; /* KEY_RIGHT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) 				else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509) 					scancode = 0x01000080; /* KEY_LEFT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) 	if (scancode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515) 		spin_lock_irqsave(&ictx->kc_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516) 		ictx->kc = imon_remote_key_lookup(ictx, scancode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517) 		spin_unlock_irqrestore(&ictx->kc_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522)  * figure out if these is a press or a release. We don't actually
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523)  * care about repeats, as those will be auto-generated within the IR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524)  * subsystem for repeating scancodes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526) static int imon_parse_press_type(struct imon_context *ictx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) 				 unsigned char *buf, u8 ktype)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529) 	int press_type = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) 	spin_lock_irqsave(&ictx->kc_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) 	/* key release of 0x02XXXXXX key */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535) 	if (ictx->kc == KEY_RESERVED && buf[0] == 0x02 && buf[3] == 0x00)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536) 		ictx->kc = ictx->last_keycode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538) 	/* mouse button release on (some) 0xffdc devices */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539) 	else if (ictx->kc == KEY_RESERVED && buf[0] == 0x68 && buf[1] == 0x82 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540) 		 buf[2] == 0x81 && buf[3] == 0xb7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541) 		ictx->kc = ictx->last_keycode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543) 	/* mouse button release on (some other) 0xffdc devices */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544) 	else if (ictx->kc == KEY_RESERVED && buf[0] == 0x01 && buf[1] == 0x00 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545) 		 buf[2] == 0x81 && buf[3] == 0xb7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) 		ictx->kc = ictx->last_keycode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548) 	/* mce-specific button handling, no keyup events */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549) 	else if (ktype == IMON_KEY_MCE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) 		ictx->rc_toggle = buf[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) 		press_type = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) 	/* incoherent or irrelevant data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554) 	} else if (ictx->kc == KEY_RESERVED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) 		press_type = -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) 	/* key release of 0xXXXXXXb7 key */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558) 	else if (ictx->release_code)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559) 		press_type = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561) 	/* this is a button press */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) 		press_type = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) 	spin_unlock_irqrestore(&ictx->kc_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) 	return press_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571)  * Process the incoming packet
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) static void imon_incoming_packet(struct imon_context *ictx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574) 				 struct urb *urb, int intf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576) 	int len = urb->actual_length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577) 	unsigned char *buf = urb->transfer_buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578) 	struct device *dev = ictx->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580) 	u32 kc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581) 	u64 scancode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582) 	int press_type = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583) 	ktime_t t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) 	static ktime_t prev_time;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) 	u8 ktype;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587) 	/* filter out junk data on the older 0xffdc imon devices */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588) 	if ((buf[0] == 0xff) && (buf[1] == 0xff) && (buf[2] == 0xff))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591) 	/* Figure out what key was pressed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592) 	if (len == 8 && buf[7] == 0xee) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) 		scancode = be64_to_cpu(*((__be64 *)buf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594) 		ktype = IMON_KEY_PANEL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595) 		kc = imon_panel_key_lookup(ictx, scancode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596) 		ictx->release_code = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598) 		scancode = be32_to_cpu(*((__be32 *)buf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599) 		if (ictx->rc_proto == RC_PROTO_BIT_RC6_MCE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600) 			ktype = IMON_KEY_IMON;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601) 			if (buf[0] == 0x80)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602) 				ktype = IMON_KEY_MCE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603) 			kc = imon_mce_key_lookup(ictx, scancode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605) 			ktype = IMON_KEY_IMON;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606) 			kc = imon_remote_key_lookup(ictx, scancode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610) 	spin_lock_irqsave(&ictx->kc_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611) 	/* keyboard/mouse mode toggle button */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612) 	if (kc == KEY_KEYBOARD && !ictx->release_code) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613) 		ictx->last_keycode = kc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614) 		if (!nomouse) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615) 			ictx->pad_mouse = !ictx->pad_mouse;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616) 			dev_dbg(dev, "toggling to %s mode\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617) 				ictx->pad_mouse ? "mouse" : "keyboard");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618) 			spin_unlock_irqrestore(&ictx->kc_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621) 			ictx->pad_mouse = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622) 			dev_dbg(dev, "mouse mode disabled, passing key value\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626) 	ictx->kc = kc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627) 	spin_unlock_irqrestore(&ictx->kc_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629) 	/* send touchscreen events through input subsystem if touchpad data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630) 	if (ictx->touch && len == 8 && buf[7] == 0x86) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631) 		imon_touch_event(ictx, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634) 	/* look for mouse events with pad in mouse mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635) 	} else if (ictx->pad_mouse) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636) 		if (imon_mouse_event(ictx, buf, len))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640) 	/* Now for some special handling to convert pad input to arrow keys */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641) 	if (((len == 5) && (buf[0] == 0x01) && (buf[4] == 0x00)) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642) 	    ((len == 8) && (buf[0] & 0x40) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) 	     !(buf[1] & 0x1 || buf[1] >> 2 & 0x1))) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644) 		len = 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645) 		imon_pad_to_keys(ictx, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648) 	if (debug) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649) 		printk(KERN_INFO "intf%d decoded packet: %*ph\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650) 		       intf, len, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653) 	press_type = imon_parse_press_type(ictx, buf, ktype);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654) 	if (press_type < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655) 		goto not_input_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657) 	if (ktype != IMON_KEY_PANEL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658) 		if (press_type == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659) 			rc_keyup(ictx->rdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660) 		else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661) 			enum rc_proto proto;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663) 			if (ictx->rc_proto == RC_PROTO_BIT_RC6_MCE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664) 				proto = RC_PROTO_RC6_MCE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665) 			else if (ictx->rc_proto == RC_PROTO_BIT_IMON)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666) 				proto = RC_PROTO_IMON;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) 			else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) 				return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670) 			rc_keydown(ictx->rdev, proto, ictx->rc_scancode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671) 				   ictx->rc_toggle);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673) 			spin_lock_irqsave(&ictx->kc_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674) 			ictx->last_keycode = ictx->kc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675) 			spin_unlock_irqrestore(&ictx->kc_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680) 	/* Only panel type events left to process now */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681) 	spin_lock_irqsave(&ictx->kc_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683) 	t = ktime_get();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684) 	/* KEY repeats from knob and panel that need to be suppressed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685) 	if (ictx->kc == KEY_MUTE ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686) 	    ictx->dev_descr->flags & IMON_SUPPRESS_REPEATED_KEYS) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687) 		if (ictx->kc == ictx->last_keycode &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688) 		    ktime_ms_delta(t, prev_time) < ictx->idev->rep[REP_DELAY]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689) 			spin_unlock_irqrestore(&ictx->kc_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694) 	prev_time = t;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) 	kc = ictx->kc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) 	spin_unlock_irqrestore(&ictx->kc_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699) 	input_report_key(ictx->idev, kc, press_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700) 	input_sync(ictx->idev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702) 	/* panel keys don't generate a release */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703) 	input_report_key(ictx->idev, kc, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704) 	input_sync(ictx->idev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706) 	spin_lock_irqsave(&ictx->kc_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707) 	ictx->last_keycode = kc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708) 	spin_unlock_irqrestore(&ictx->kc_lock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710) 	return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712) not_input_data:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713) 	if (len != 8) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714) 		dev_warn(dev, "imon %s: invalid incoming packet size (len = %d, intf%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715) 			 __func__, len, intf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719) 	/* iMON 2.4G associate frame */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720) 	if (buf[0] == 0x00 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721) 	    buf[2] == 0xFF &&				/* REFID */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722) 	    buf[3] == 0xFF &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723) 	    buf[4] == 0xFF &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724) 	    buf[5] == 0xFF &&				/* iMON 2.4G */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725) 	   ((buf[6] == 0x4E && buf[7] == 0xDF) ||	/* LT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726) 	    (buf[6] == 0x5E && buf[7] == 0xDF))) {	/* DT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727) 		dev_warn(dev, "%s: remote associated refid=%02X\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728) 			 __func__, buf[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729) 		ictx->rf_isassociating = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734)  * Callback function for USB core API: receive data
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736) static void usb_rx_callback_intf0(struct urb *urb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738) 	struct imon_context *ictx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739) 	int intfnum = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741) 	if (!urb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744) 	ictx = (struct imon_context *)urb->context;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745) 	if (!ictx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) 	 * if we get a callback before we're done configuring the hardware, we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750) 	 * can't yet process the data, as there's nowhere to send it, but we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751) 	 * still need to submit a new rx URB to avoid wedging the hardware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753) 	if (!ictx->dev_present_intf0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756) 	switch (urb->status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1757) 	case -ENOENT:		/* usbcore unlink successful! */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1758) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1759) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1760) 	case -ESHUTDOWN:	/* transport endpoint was shut down */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1761) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1762) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1763) 	case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1764) 		imon_incoming_packet(ictx, urb, intfnum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1765) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1766) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1767) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1768) 		dev_warn(ictx->dev, "imon %s: status(%d): ignored\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1769) 			 __func__, urb->status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1770) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1771) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1772) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1773) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1774) 	usb_submit_urb(ictx->rx_urb_intf0, GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1775) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1776) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1777) static void usb_rx_callback_intf1(struct urb *urb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1778) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1779) 	struct imon_context *ictx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1780) 	int intfnum = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1781) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1782) 	if (!urb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1783) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1784) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1785) 	ictx = (struct imon_context *)urb->context;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1786) 	if (!ictx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1787) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1788) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1789) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1790) 	 * if we get a callback before we're done configuring the hardware, we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1791) 	 * can't yet process the data, as there's nowhere to send it, but we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1792) 	 * still need to submit a new rx URB to avoid wedging the hardware
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1793) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1794) 	if (!ictx->dev_present_intf1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1795) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1796) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1797) 	switch (urb->status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1798) 	case -ENOENT:		/* usbcore unlink successful! */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1799) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1800) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1801) 	case -ESHUTDOWN:	/* transport endpoint was shut down */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1802) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1803) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1804) 	case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1805) 		imon_incoming_packet(ictx, urb, intfnum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1806) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1807) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1808) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1809) 		dev_warn(ictx->dev, "imon %s: status(%d): ignored\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1810) 			 __func__, urb->status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1811) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1812) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1813) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1814) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1815) 	usb_submit_urb(ictx->rx_urb_intf1, GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1816) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1817) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1818) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1819)  * The 0x15c2:0xffdc device ID was used for umpteen different imon
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1820)  * devices, and all of them constantly spew interrupts, even when there
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1821)  * is no actual data to report. However, byte 6 of this buffer looks like
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1822)  * its unique across device variants, so we're trying to key off that to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1823)  * figure out which display type (if any) and what IR protocol the device
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1824)  * actually supports. These devices have their IR protocol hard-coded into
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1825)  * their firmware, they can't be changed on the fly like the newer hardware.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1826)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1827) static void imon_get_ffdc_type(struct imon_context *ictx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1828) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1829) 	u8 ffdc_cfg_byte = ictx->usb_rx_buf[6];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1830) 	u8 detected_display_type = IMON_DISPLAY_TYPE_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1831) 	u64 allowed_protos = RC_PROTO_BIT_IMON;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1832) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1833) 	switch (ffdc_cfg_byte) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1834) 	/* iMON Knob, no display, iMON IR + vol knob */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1835) 	case 0x21:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1836) 		dev_info(ictx->dev, "0xffdc iMON Knob, iMON IR");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1837) 		ictx->display_supported = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1838) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1839) 	/* iMON 2.4G LT (usb stick), no display, iMON RF */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1840) 	case 0x4e:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1841) 		dev_info(ictx->dev, "0xffdc iMON 2.4G LT, iMON RF");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1842) 		ictx->display_supported = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1843) 		ictx->rf_device = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1844) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1845) 	/* iMON VFD, no IR (does have vol knob tho) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1846) 	case 0x35:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1847) 		dev_info(ictx->dev, "0xffdc iMON VFD + knob, no IR");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1848) 		detected_display_type = IMON_DISPLAY_TYPE_VFD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1849) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1850) 	/* iMON VFD, iMON IR */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1851) 	case 0x24:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1852) 	case 0x30:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1853) 	case 0x85:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1854) 		dev_info(ictx->dev, "0xffdc iMON VFD, iMON IR");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1855) 		detected_display_type = IMON_DISPLAY_TYPE_VFD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1856) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1857) 	/* iMON VFD, MCE IR */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1858) 	case 0x46:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1859) 	case 0x9e:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1860) 		dev_info(ictx->dev, "0xffdc iMON VFD, MCE IR");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1861) 		detected_display_type = IMON_DISPLAY_TYPE_VFD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1862) 		allowed_protos = RC_PROTO_BIT_RC6_MCE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1863) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1864) 	/* iMON VFD, iMON or MCE IR */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1865) 	case 0x7e:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1866) 		dev_info(ictx->dev, "0xffdc iMON VFD, iMON or MCE IR");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1867) 		detected_display_type = IMON_DISPLAY_TYPE_VFD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1868) 		allowed_protos |= RC_PROTO_BIT_RC6_MCE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1869) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1870) 	/* iMON LCD, MCE IR */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1871) 	case 0x9f:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1872) 		dev_info(ictx->dev, "0xffdc iMON LCD, MCE IR");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1873) 		detected_display_type = IMON_DISPLAY_TYPE_LCD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1874) 		allowed_protos = RC_PROTO_BIT_RC6_MCE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1875) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1876) 	/* no display, iMON IR */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1877) 	case 0x26:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1878) 		dev_info(ictx->dev, "0xffdc iMON Inside, iMON IR");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1879) 		ictx->display_supported = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1880) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1881) 	/* Soundgraph iMON UltraBay */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1882) 	case 0x98:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1883) 		dev_info(ictx->dev, "0xffdc iMON UltraBay, LCD + IR");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1884) 		detected_display_type = IMON_DISPLAY_TYPE_LCD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1885) 		allowed_protos = RC_PROTO_BIT_IMON | RC_PROTO_BIT_RC6_MCE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1886) 		ictx->dev_descr = &ultrabay_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1887) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1888) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1889) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1890) 		dev_info(ictx->dev, "Unknown 0xffdc device, defaulting to VFD and iMON IR");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1891) 		detected_display_type = IMON_DISPLAY_TYPE_VFD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1892) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1893) 		 * We don't know which one it is, allow user to set the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1894) 		 * RC6 one from userspace if IMON wasn't correct.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1895) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1896) 		allowed_protos |= RC_PROTO_BIT_RC6_MCE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1897) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1898) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1899) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1900) 	printk(KERN_CONT " (id 0x%02x)\n", ffdc_cfg_byte);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1901) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1902) 	ictx->display_type = detected_display_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1903) 	ictx->rc_proto = allowed_protos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1904) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1905) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1906) static void imon_set_display_type(struct imon_context *ictx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1907) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1908) 	u8 configured_display_type = IMON_DISPLAY_TYPE_VFD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1909) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1910) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1911) 	 * Try to auto-detect the type of display if the user hasn't set
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1912) 	 * it by hand via the display_type modparam. Default is VFD.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1913) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1914) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1915) 	if (display_type == IMON_DISPLAY_TYPE_AUTO) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1916) 		switch (ictx->product) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1917) 		case 0xffdc:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1918) 			/* set in imon_get_ffdc_type() */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1919) 			configured_display_type = ictx->display_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1920) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1921) 		case 0x0034:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1922) 		case 0x0035:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1923) 			configured_display_type = IMON_DISPLAY_TYPE_VGA;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1924) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1925) 		case 0x0038:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1926) 		case 0x0039:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1927) 		case 0x0045:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1928) 			configured_display_type = IMON_DISPLAY_TYPE_LCD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1929) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1930) 		case 0x003c:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1931) 		case 0x0041:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1932) 		case 0x0042:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1933) 		case 0x0043:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1934) 			configured_display_type = IMON_DISPLAY_TYPE_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1935) 			ictx->display_supported = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1936) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1937) 		case 0x0036:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1938) 		case 0x0044:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1939) 		default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1940) 			configured_display_type = IMON_DISPLAY_TYPE_VFD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1941) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1942) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1943) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1944) 		configured_display_type = display_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1945) 		if (display_type == IMON_DISPLAY_TYPE_NONE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1946) 			ictx->display_supported = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1947) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1948) 			ictx->display_supported = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1949) 		dev_info(ictx->dev, "%s: overriding display type to %d via modparam\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1950) 			 __func__, display_type);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1951) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1952) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1953) 	ictx->display_type = configured_display_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1954) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1955) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1956) static struct rc_dev *imon_init_rdev(struct imon_context *ictx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1957) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1958) 	struct rc_dev *rdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1959) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1960) 	static const unsigned char fp_packet[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1961) 		0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x88 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1962) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1963) 	rdev = rc_allocate_device(RC_DRIVER_SCANCODE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1964) 	if (!rdev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1965) 		dev_err(ictx->dev, "remote control dev allocation failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1966) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1967) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1968) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1969) 	snprintf(ictx->name_rdev, sizeof(ictx->name_rdev),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1970) 		 "iMON Remote (%04x:%04x)", ictx->vendor, ictx->product);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1971) 	usb_make_path(ictx->usbdev_intf0, ictx->phys_rdev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1972) 		      sizeof(ictx->phys_rdev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1973) 	strlcat(ictx->phys_rdev, "/input0", sizeof(ictx->phys_rdev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1974) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1975) 	rdev->device_name = ictx->name_rdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1976) 	rdev->input_phys = ictx->phys_rdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1977) 	usb_to_input_id(ictx->usbdev_intf0, &rdev->input_id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1978) 	rdev->dev.parent = ictx->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1979) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1980) 	rdev->priv = ictx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1981) 	/* iMON PAD or MCE */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1982) 	rdev->allowed_protocols = RC_PROTO_BIT_IMON | RC_PROTO_BIT_RC6_MCE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1983) 	rdev->change_protocol = imon_ir_change_protocol;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1984) 	rdev->driver_name = MOD_NAME;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1985) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1986) 	/* Enable front-panel buttons and/or knobs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1987) 	memcpy(ictx->usb_tx_buf, &fp_packet, sizeof(fp_packet));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1988) 	ret = send_packet(ictx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1989) 	/* Not fatal, but warn about it */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1990) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1991) 		dev_info(ictx->dev, "panel buttons/knobs setup failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1992) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1993) 	if (ictx->product == 0xffdc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1994) 		imon_get_ffdc_type(ictx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1995) 		rdev->allowed_protocols = ictx->rc_proto;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1996) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1997) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1998) 	imon_set_display_type(ictx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1999) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2000) 	if (ictx->rc_proto == RC_PROTO_BIT_RC6_MCE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2001) 		rdev->map_name = RC_MAP_IMON_MCE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2002) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2003) 		rdev->map_name = RC_MAP_IMON_PAD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2004) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2005) 	ret = rc_register_device(rdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2006) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2007) 		dev_err(ictx->dev, "remote input dev register failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2008) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2009) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2010) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2011) 	return rdev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2012) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2013) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2014) 	rc_free_device(rdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2015) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2016) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2017) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2018) static struct input_dev *imon_init_idev(struct imon_context *ictx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2019) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2020) 	const struct imon_panel_key_table *key_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2021) 	struct input_dev *idev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2022) 	int ret, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2023) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2024) 	key_table = ictx->dev_descr->key_table;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2025) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2026) 	idev = input_allocate_device();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2027) 	if (!idev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2028) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2029) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2030) 	snprintf(ictx->name_idev, sizeof(ictx->name_idev),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2031) 		 "iMON Panel, Knob and Mouse(%04x:%04x)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2032) 		 ictx->vendor, ictx->product);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2033) 	idev->name = ictx->name_idev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2034) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2035) 	usb_make_path(ictx->usbdev_intf0, ictx->phys_idev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2036) 		      sizeof(ictx->phys_idev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2037) 	strlcat(ictx->phys_idev, "/input1", sizeof(ictx->phys_idev));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2038) 	idev->phys = ictx->phys_idev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2039) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2040) 	idev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_REP) | BIT_MASK(EV_REL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2041) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2042) 	idev->keybit[BIT_WORD(BTN_MOUSE)] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2043) 		BIT_MASK(BTN_LEFT) | BIT_MASK(BTN_RIGHT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2044) 	idev->relbit[0] = BIT_MASK(REL_X) | BIT_MASK(REL_Y) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2045) 		BIT_MASK(REL_WHEEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2046) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2047) 	/* panel and/or knob code support */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2048) 	for (i = 0; key_table[i].hw_code != 0; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2049) 		u32 kc = key_table[i].keycode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2050) 		__set_bit(kc, idev->keybit);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2051) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2052) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2053) 	usb_to_input_id(ictx->usbdev_intf0, &idev->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2054) 	idev->dev.parent = ictx->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2055) 	input_set_drvdata(idev, ictx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2056) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2057) 	ret = input_register_device(idev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2058) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2059) 		dev_err(ictx->dev, "input dev register failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2060) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2061) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2062) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2063) 	return idev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2064) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2065) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2066) 	input_free_device(idev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2067) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2068) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2069) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2070) static struct input_dev *imon_init_touch(struct imon_context *ictx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2071) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2072) 	struct input_dev *touch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2073) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2074) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2075) 	touch = input_allocate_device();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2076) 	if (!touch)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2077) 		goto touch_alloc_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2078) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2079) 	snprintf(ictx->name_touch, sizeof(ictx->name_touch),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2080) 		 "iMON USB Touchscreen (%04x:%04x)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2081) 		 ictx->vendor, ictx->product);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2082) 	touch->name = ictx->name_touch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2083) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2084) 	usb_make_path(ictx->usbdev_intf1, ictx->phys_touch,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2085) 		      sizeof(ictx->phys_touch));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2086) 	strlcat(ictx->phys_touch, "/input2", sizeof(ictx->phys_touch));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2087) 	touch->phys = ictx->phys_touch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2088) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2089) 	touch->evbit[0] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2090) 		BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2091) 	touch->keybit[BIT_WORD(BTN_TOUCH)] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2092) 		BIT_MASK(BTN_TOUCH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2093) 	input_set_abs_params(touch, ABS_X,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2094) 			     0x00, 0xfff, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2095) 	input_set_abs_params(touch, ABS_Y,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2096) 			     0x00, 0xfff, 0, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2097) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2098) 	input_set_drvdata(touch, ictx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2099) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2100) 	usb_to_input_id(ictx->usbdev_intf1, &touch->id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2101) 	touch->dev.parent = ictx->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2102) 	ret = input_register_device(touch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2103) 	if (ret <  0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2104) 		dev_info(ictx->dev, "touchscreen input dev register failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2105) 		goto touch_register_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2106) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2107) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2108) 	return touch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2110) touch_register_failed:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2111) 	input_free_device(touch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2113) touch_alloc_failed:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2114) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2115) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2116) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2117) static bool imon_find_endpoints(struct imon_context *ictx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2118) 				struct usb_host_interface *iface_desc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2119) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2120) 	struct usb_endpoint_descriptor *ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2121) 	struct usb_endpoint_descriptor *rx_endpoint = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2122) 	struct usb_endpoint_descriptor *tx_endpoint = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2123) 	int ifnum = iface_desc->desc.bInterfaceNumber;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2124) 	int num_endpts = iface_desc->desc.bNumEndpoints;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2125) 	int i, ep_dir, ep_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2126) 	bool ir_ep_found = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2127) 	bool display_ep_found = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2128) 	bool tx_control = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2129) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2130) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2131) 	 * Scan the endpoint list and set:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2132) 	 *	first input endpoint = IR endpoint
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2133) 	 *	first output endpoint = display endpoint
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2134) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2135) 	for (i = 0; i < num_endpts && !(ir_ep_found && display_ep_found); ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2136) 		ep = &iface_desc->endpoint[i].desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2137) 		ep_dir = ep->bEndpointAddress & USB_ENDPOINT_DIR_MASK;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2138) 		ep_type = usb_endpoint_type(ep);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2140) 		if (!ir_ep_found && ep_dir == USB_DIR_IN &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2141) 		    ep_type == USB_ENDPOINT_XFER_INT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2142) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2143) 			rx_endpoint = ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2144) 			ir_ep_found = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2145) 			dev_dbg(ictx->dev, "%s: found IR endpoint\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2147) 		} else if (!display_ep_found && ep_dir == USB_DIR_OUT &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2148) 			   ep_type == USB_ENDPOINT_XFER_INT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2149) 			tx_endpoint = ep;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2150) 			display_ep_found = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2151) 			dev_dbg(ictx->dev, "%s: found display endpoint\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2152) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2153) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2154) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2155) 	if (ifnum == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2156) 		ictx->rx_endpoint_intf0 = rx_endpoint;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2157) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2158) 		 * tx is used to send characters to lcd/vfd, associate RF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2159) 		 * remotes, set IR protocol, and maybe more...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2160) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2161) 		ictx->tx_endpoint = tx_endpoint;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2162) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2163) 		ictx->rx_endpoint_intf1 = rx_endpoint;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2164) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2165) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2166) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2167) 	 * If we didn't find a display endpoint, this is probably one of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2168) 	 * newer iMON devices that use control urb instead of interrupt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2169) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2170) 	if (!display_ep_found) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2171) 		tx_control = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2172) 		display_ep_found = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2173) 		dev_dbg(ictx->dev, "%s: device uses control endpoint, not interface OUT endpoint\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2174) 			__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2175) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2176) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2177) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2178) 	 * Some iMON receivers have no display. Unfortunately, it seems
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2179) 	 * that SoundGraph recycles device IDs between devices both with
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2180) 	 * and without... :\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2181) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2182) 	if (ictx->display_type == IMON_DISPLAY_TYPE_NONE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2183) 		display_ep_found = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2184) 		dev_dbg(ictx->dev, "%s: device has no display\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2185) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2187) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2188) 	 * iMON Touch devices have a VGA touchscreen, but no "display", as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2189) 	 * that refers to e.g. /dev/lcd0 (a character device LCD or VFD).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2190) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2191) 	if (ictx->display_type == IMON_DISPLAY_TYPE_VGA) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2192) 		display_ep_found = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2193) 		dev_dbg(ictx->dev, "%s: iMON Touch device found\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2194) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2196) 	/* Input endpoint is mandatory */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2197) 	if (!ir_ep_found)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2198) 		pr_err("no valid input (IR) endpoint found\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2199) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2200) 	ictx->tx_control = tx_control;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2201) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2202) 	if (display_ep_found)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2203) 		ictx->display_supported = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2204) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2205) 	return ir_ep_found;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2206) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2207) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2208) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2209) static struct imon_context *imon_init_intf0(struct usb_interface *intf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2210) 					    const struct usb_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2211) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2212) 	struct imon_context *ictx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2213) 	struct urb *rx_urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2214) 	struct urb *tx_urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2215) 	struct device *dev = &intf->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2216) 	struct usb_host_interface *iface_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2217) 	int ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2218) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2219) 	ictx = kzalloc(sizeof(*ictx), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2220) 	if (!ictx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2221) 		goto exit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2222) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2223) 	rx_urb = usb_alloc_urb(0, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2224) 	if (!rx_urb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2225) 		goto rx_urb_alloc_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2226) 	tx_urb = usb_alloc_urb(0, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2227) 	if (!tx_urb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2228) 		goto tx_urb_alloc_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2229) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2230) 	mutex_init(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2231) 	spin_lock_init(&ictx->kc_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2233) 	mutex_lock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2234) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2235) 	ictx->dev = dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2236) 	ictx->usbdev_intf0 = usb_get_dev(interface_to_usbdev(intf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2237) 	ictx->rx_urb_intf0 = rx_urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2238) 	ictx->tx_urb = tx_urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2239) 	ictx->rf_device = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2240) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2241) 	init_completion(&ictx->tx.finished);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2242) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2243) 	ictx->vendor  = le16_to_cpu(ictx->usbdev_intf0->descriptor.idVendor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2244) 	ictx->product = le16_to_cpu(ictx->usbdev_intf0->descriptor.idProduct);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2245) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2246) 	/* save drive info for later accessing the panel/knob key table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2247) 	ictx->dev_descr = (struct imon_usb_dev_descr *)id->driver_info;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2248) 	/* default send_packet delay is 5ms but some devices need more */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2249) 	ictx->send_packet_delay = ictx->dev_descr->flags &
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2250) 				  IMON_NEED_20MS_PKT_DELAY ? 20 : 5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2251) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2252) 	ret = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2253) 	iface_desc = intf->cur_altsetting;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2254) 	if (!imon_find_endpoints(ictx, iface_desc)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2255) 		goto find_endpoint_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2256) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2257) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2258) 	usb_fill_int_urb(ictx->rx_urb_intf0, ictx->usbdev_intf0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2259) 		usb_rcvintpipe(ictx->usbdev_intf0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2260) 			ictx->rx_endpoint_intf0->bEndpointAddress),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2261) 		ictx->usb_rx_buf, sizeof(ictx->usb_rx_buf),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2262) 		usb_rx_callback_intf0, ictx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2263) 		ictx->rx_endpoint_intf0->bInterval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2264) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2265) 	ret = usb_submit_urb(ictx->rx_urb_intf0, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2266) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2267) 		pr_err("usb_submit_urb failed for intf0 (%d)\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2268) 		goto urb_submit_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2269) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2270) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2271) 	ictx->idev = imon_init_idev(ictx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2272) 	if (!ictx->idev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2273) 		dev_err(dev, "%s: input device setup failed\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2274) 		goto idev_setup_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2275) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2276) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2277) 	ictx->rdev = imon_init_rdev(ictx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2278) 	if (!ictx->rdev) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2279) 		dev_err(dev, "%s: rc device setup failed\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2280) 		goto rdev_setup_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2281) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2282) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2283) 	ictx->dev_present_intf0 = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2284) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2285) 	mutex_unlock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2286) 	return ictx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2287) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2288) rdev_setup_failed:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2289) 	input_unregister_device(ictx->idev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2290) idev_setup_failed:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2291) 	usb_kill_urb(ictx->rx_urb_intf0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2292) urb_submit_failed:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2293) find_endpoint_failed:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2294) 	usb_put_dev(ictx->usbdev_intf0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2295) 	mutex_unlock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2296) 	usb_free_urb(tx_urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2297) tx_urb_alloc_failed:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2298) 	usb_free_urb(rx_urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2299) rx_urb_alloc_failed:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2300) 	kfree(ictx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2301) exit:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2302) 	dev_err(dev, "unable to initialize intf0, err %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2303) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2304) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2305) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2306) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2307) static struct imon_context *imon_init_intf1(struct usb_interface *intf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2308) 					    struct imon_context *ictx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2309) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2310) 	struct urb *rx_urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2311) 	struct usb_host_interface *iface_desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2312) 	int ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2313) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2314) 	rx_urb = usb_alloc_urb(0, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2315) 	if (!rx_urb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2316) 		goto rx_urb_alloc_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2317) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2318) 	mutex_lock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2319) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2320) 	if (ictx->display_type == IMON_DISPLAY_TYPE_VGA) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2321) 		timer_setup(&ictx->ttimer, imon_touch_display_timeout, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2322) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2323) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2324) 	ictx->usbdev_intf1 = usb_get_dev(interface_to_usbdev(intf));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2325) 	ictx->rx_urb_intf1 = rx_urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2326) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2327) 	ret = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2328) 	iface_desc = intf->cur_altsetting;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2329) 	if (!imon_find_endpoints(ictx, iface_desc))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2330) 		goto find_endpoint_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2331) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2332) 	if (ictx->display_type == IMON_DISPLAY_TYPE_VGA) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2333) 		ictx->touch = imon_init_touch(ictx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2334) 		if (!ictx->touch)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2335) 			goto touch_setup_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2336) 	} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2337) 		ictx->touch = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2338) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2339) 	usb_fill_int_urb(ictx->rx_urb_intf1, ictx->usbdev_intf1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2340) 		usb_rcvintpipe(ictx->usbdev_intf1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2341) 			ictx->rx_endpoint_intf1->bEndpointAddress),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2342) 		ictx->usb_rx_buf, sizeof(ictx->usb_rx_buf),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2343) 		usb_rx_callback_intf1, ictx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2344) 		ictx->rx_endpoint_intf1->bInterval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2345) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2346) 	ret = usb_submit_urb(ictx->rx_urb_intf1, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2347) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2348) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2349) 		pr_err("usb_submit_urb failed for intf1 (%d)\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2350) 		goto urb_submit_failed;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2351) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2352) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2353) 	ictx->dev_present_intf1 = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2354) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2355) 	mutex_unlock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2356) 	return ictx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2357) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2358) urb_submit_failed:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2359) 	if (ictx->touch)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2360) 		input_unregister_device(ictx->touch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2361) touch_setup_failed:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2362) find_endpoint_failed:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2363) 	usb_put_dev(ictx->usbdev_intf1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2364) 	mutex_unlock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2365) 	usb_free_urb(rx_urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2366) rx_urb_alloc_failed:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2367) 	dev_err(ictx->dev, "unable to initialize intf1, err %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2368) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2369) 	return NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2370) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2371) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2372) static void imon_init_display(struct imon_context *ictx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2373) 			      struct usb_interface *intf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2374) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2375) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2376) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2377) 	dev_dbg(ictx->dev, "Registering iMON display with sysfs\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2378) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2379) 	/* set up sysfs entry for built-in clock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2380) 	ret = sysfs_create_group(&intf->dev.kobj, &imon_display_attr_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2381) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2382) 		dev_err(ictx->dev, "Could not create display sysfs entries(%d)",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2383) 			ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2384) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2385) 	if (ictx->display_type == IMON_DISPLAY_TYPE_LCD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2386) 		ret = usb_register_dev(intf, &imon_lcd_class);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2387) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2388) 		ret = usb_register_dev(intf, &imon_vfd_class);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2389) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2390) 		/* Not a fatal error, so ignore */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2391) 		dev_info(ictx->dev, "could not get a minor number for display\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2392) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2393) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2394) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2395) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2396)  * Callback function for USB core API: Probe
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2397)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2398) static int imon_probe(struct usb_interface *interface,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2399) 		      const struct usb_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2400) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2401) 	struct usb_device *usbdev = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2402) 	struct usb_host_interface *iface_desc = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2403) 	struct usb_interface *first_if;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2404) 	struct device *dev = &interface->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2405) 	int ifnum, sysfs_err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2406) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2407) 	struct imon_context *ictx = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2408) 	struct imon_context *first_if_ctx = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2409) 	u16 vendor, product;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2410) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2411) 	usbdev     = usb_get_dev(interface_to_usbdev(interface));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2412) 	iface_desc = interface->cur_altsetting;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2413) 	ifnum      = iface_desc->desc.bInterfaceNumber;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2414) 	vendor     = le16_to_cpu(usbdev->descriptor.idVendor);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2415) 	product    = le16_to_cpu(usbdev->descriptor.idProduct);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2416) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2417) 	dev_dbg(dev, "%s: found iMON device (%04x:%04x, intf%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2418) 		__func__, vendor, product, ifnum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2419) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2420) 	/* prevent races probing devices w/multiple interfaces */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2421) 	mutex_lock(&driver_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2422) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2423) 	first_if = usb_ifnum_to_if(usbdev, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2424) 	if (!first_if) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2425) 		ret = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2426) 		goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2427) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2428) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2429) 	first_if_ctx = usb_get_intfdata(first_if);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2430) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2431) 	if (ifnum == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2432) 		ictx = imon_init_intf0(interface, id);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2433) 		if (!ictx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2434) 			pr_err("failed to initialize context!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2435) 			ret = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2436) 			goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2437) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2438) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2439) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2440) 		/* this is the secondary interface on the device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2441) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2442) 		/* fail early if first intf failed to register */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2443) 		if (!first_if_ctx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2444) 			ret = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2445) 			goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2446) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2447) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2448) 		ictx = imon_init_intf1(interface, first_if_ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2449) 		if (!ictx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2450) 			pr_err("failed to attach to context!\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2451) 			ret = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2452) 			goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2453) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2454) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2455) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2456) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2457) 	usb_set_intfdata(interface, ictx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2458) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2459) 	if (ifnum == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2460) 		mutex_lock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2461) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2462) 		if (product == 0xffdc && ictx->rf_device) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2463) 			sysfs_err = sysfs_create_group(&interface->dev.kobj,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2464) 						       &imon_rf_attr_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2465) 			if (sysfs_err)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2466) 				pr_err("Could not create RF sysfs entries(%d)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2467) 				       sysfs_err);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2468) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2469) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2470) 		if (ictx->display_supported)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2471) 			imon_init_display(ictx, interface);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2472) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2473) 		mutex_unlock(&ictx->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2474) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2475) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2476) 	dev_info(dev, "iMON device (%04x:%04x, intf%d) on usb<%d:%d> initialized\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2477) 		 vendor, product, ifnum,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2478) 		 usbdev->bus->busnum, usbdev->devnum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2479) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2480) 	mutex_unlock(&driver_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2481) 	usb_put_dev(usbdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2482) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2483) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2484) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2485) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2486) 	mutex_unlock(&driver_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2487) 	usb_put_dev(usbdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2488) 	dev_err(dev, "unable to register, err %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2489) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2490) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2491) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2492) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2493) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2494)  * Callback function for USB core API: disconnect
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2495)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2496) static void imon_disconnect(struct usb_interface *interface)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2497) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2498) 	struct imon_context *ictx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2499) 	struct device *dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2500) 	int ifnum;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2501) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2502) 	/* prevent races with multi-interface device probing and display_open */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2503) 	mutex_lock(&driver_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2504) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2505) 	ictx = usb_get_intfdata(interface);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2506) 	dev = ictx->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2507) 	ifnum = interface->cur_altsetting->desc.bInterfaceNumber;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2508) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2509) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2510) 	 * sysfs_remove_group is safe to call even if sysfs_create_group
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2511) 	 * hasn't been called
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2512) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2513) 	sysfs_remove_group(&interface->dev.kobj, &imon_display_attr_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2514) 	sysfs_remove_group(&interface->dev.kobj, &imon_rf_attr_group);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2515) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2516) 	usb_set_intfdata(interface, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2517) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2518) 	/* Abort ongoing write */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2519) 	if (ictx->tx.busy) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2520) 		usb_kill_urb(ictx->tx_urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2521) 		complete(&ictx->tx.finished);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2522) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2523) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2524) 	if (ifnum == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2525) 		ictx->dev_present_intf0 = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2526) 		usb_kill_urb(ictx->rx_urb_intf0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2527) 		usb_put_dev(ictx->usbdev_intf0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2528) 		input_unregister_device(ictx->idev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2529) 		rc_unregister_device(ictx->rdev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2530) 		if (ictx->display_supported) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2531) 			if (ictx->display_type == IMON_DISPLAY_TYPE_LCD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2532) 				usb_deregister_dev(interface, &imon_lcd_class);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2533) 			else if (ictx->display_type == IMON_DISPLAY_TYPE_VFD)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2534) 				usb_deregister_dev(interface, &imon_vfd_class);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2535) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2536) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2537) 		ictx->dev_present_intf1 = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2538) 		usb_kill_urb(ictx->rx_urb_intf1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2539) 		usb_put_dev(ictx->usbdev_intf1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2540) 		if (ictx->display_type == IMON_DISPLAY_TYPE_VGA) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2541) 			input_unregister_device(ictx->touch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2542) 			del_timer_sync(&ictx->ttimer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2543) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2544) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2545) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2546) 	if (!ictx->dev_present_intf0 && !ictx->dev_present_intf1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2547) 		free_imon_context(ictx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2548) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2549) 	mutex_unlock(&driver_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2550) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2551) 	dev_dbg(dev, "%s: iMON device (intf%d) disconnected\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2552) 		__func__, ifnum);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2553) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2554) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2555) static int imon_suspend(struct usb_interface *intf, pm_message_t message)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2556) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2557) 	struct imon_context *ictx = usb_get_intfdata(intf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2558) 	int ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2559) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2560) 	if (ifnum == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2561) 		usb_kill_urb(ictx->rx_urb_intf0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2562) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2563) 		usb_kill_urb(ictx->rx_urb_intf1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2564) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2565) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2566) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2567) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2568) static int imon_resume(struct usb_interface *intf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2569) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2570) 	int rc = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2571) 	struct imon_context *ictx = usb_get_intfdata(intf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2572) 	int ifnum = intf->cur_altsetting->desc.bInterfaceNumber;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2573) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2574) 	if (ifnum == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2575) 		usb_fill_int_urb(ictx->rx_urb_intf0, ictx->usbdev_intf0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2576) 			usb_rcvintpipe(ictx->usbdev_intf0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2577) 				ictx->rx_endpoint_intf0->bEndpointAddress),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2578) 			ictx->usb_rx_buf, sizeof(ictx->usb_rx_buf),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2579) 			usb_rx_callback_intf0, ictx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2580) 			ictx->rx_endpoint_intf0->bInterval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2581) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2582) 		rc = usb_submit_urb(ictx->rx_urb_intf0, GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2583) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2584) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2585) 		usb_fill_int_urb(ictx->rx_urb_intf1, ictx->usbdev_intf1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2586) 			usb_rcvintpipe(ictx->usbdev_intf1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2587) 				ictx->rx_endpoint_intf1->bEndpointAddress),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2588) 			ictx->usb_rx_buf, sizeof(ictx->usb_rx_buf),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2589) 			usb_rx_callback_intf1, ictx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2590) 			ictx->rx_endpoint_intf1->bInterval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2591) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2592) 		rc = usb_submit_urb(ictx->rx_urb_intf1, GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2593) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2594) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2595) 	return rc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2596) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2597) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2598) module_usb_driver(imon_driver);