^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /******************************************************************************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * speedtch.c - Alcatel SpeedTouch USB xDSL modem driver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2001, Alcatel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) * Copyright (C) 2003, Duncan Sands
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) * Copyright (C) 2004, David Woodhouse
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) * Based on "modem_run.c", copyright (C) 2001, Benoit Papillault
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) ******************************************************************************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <asm/page.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) #include <linux/device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include <linux/firmware.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) #include <linux/moduleparam.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #include <linux/stat.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #include <linux/timer.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #include <linux/usb/ch9.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #include <linux/workqueue.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) #include "usbatm.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define DRIVER_AUTHOR "Johan Verrept, Duncan Sands <duncan.sands@free.fr>"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) #define DRIVER_DESC "Alcatel SpeedTouch USB driver"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) static const char speedtch_driver_name[] = "speedtch";
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define CTRL_TIMEOUT 2000 /* milliseconds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) #define DATA_TIMEOUT 2000 /* milliseconds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) #define OFFSET_7 0 /* size 1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) #define OFFSET_b 1 /* size 8 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define OFFSET_d 9 /* size 4 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) #define OFFSET_e 13 /* size 1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define OFFSET_f 14 /* size 1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define SIZE_7 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) #define SIZE_b 8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define SIZE_d 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) #define SIZE_e 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define SIZE_f 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define MIN_POLL_DELAY 5000 /* milliseconds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) #define MAX_POLL_DELAY 60000 /* milliseconds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) #define RESUBMIT_DELAY 1000 /* milliseconds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) #define DEFAULT_BULK_ALTSETTING 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define DEFAULT_ISOC_ALTSETTING 3
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) #define DEFAULT_DL_512_FIRST 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define DEFAULT_ENABLE_ISOC 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) #define DEFAULT_SW_BUFFERING 0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) static unsigned int altsetting = 0; /* zero means: use the default */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) static bool dl_512_first = DEFAULT_DL_512_FIRST;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) static bool enable_isoc = DEFAULT_ENABLE_ISOC;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) static bool sw_buffering = DEFAULT_SW_BUFFERING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define DEFAULT_B_MAX_DSL 8128
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) #define DEFAULT_MODEM_MODE 11
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define MODEM_OPTION_LENGTH 16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) static const unsigned char DEFAULT_MODEM_OPTION[MODEM_OPTION_LENGTH] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 0x10, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) static unsigned int BMaxDSL = DEFAULT_B_MAX_DSL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) static unsigned char ModemMode = DEFAULT_MODEM_MODE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) static unsigned char ModemOption[MODEM_OPTION_LENGTH];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) static unsigned int num_ModemOption;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) module_param(altsetting, uint, S_IRUGO | S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) MODULE_PARM_DESC(altsetting,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) "Alternative setting for data interface (bulk_default: "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) __MODULE_STRING(DEFAULT_BULK_ALTSETTING) "; isoc_default: "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) __MODULE_STRING(DEFAULT_ISOC_ALTSETTING) ")");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) module_param(dl_512_first, bool, S_IRUGO | S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) MODULE_PARM_DESC(dl_512_first,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) "Read 512 bytes before sending firmware (default: "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) __MODULE_STRING(DEFAULT_DL_512_FIRST) ")");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) module_param(enable_isoc, bool, S_IRUGO | S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) MODULE_PARM_DESC(enable_isoc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) "Use isochronous transfers if available (default: "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) __MODULE_STRING(DEFAULT_ENABLE_ISOC) ")");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) module_param(sw_buffering, bool, S_IRUGO | S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) MODULE_PARM_DESC(sw_buffering,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) "Enable software buffering (default: "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) __MODULE_STRING(DEFAULT_SW_BUFFERING) ")");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) module_param(BMaxDSL, uint, S_IRUGO | S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) MODULE_PARM_DESC(BMaxDSL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) "default: " __MODULE_STRING(DEFAULT_B_MAX_DSL));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) module_param(ModemMode, byte, S_IRUGO | S_IWUSR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) MODULE_PARM_DESC(ModemMode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) "default: " __MODULE_STRING(DEFAULT_MODEM_MODE));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) module_param_array(ModemOption, byte, &num_ModemOption, S_IRUGO);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) MODULE_PARM_DESC(ModemOption, "default: 0x10,0x00,0x00,0x00,0x20");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) #define INTERFACE_DATA 1
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) #define ENDPOINT_INT 0x81
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) #define ENDPOINT_BULK_DATA 0x07
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) #define ENDPOINT_ISOC_DATA 0x07
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) #define ENDPOINT_FIRMWARE 0x05
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) struct speedtch_params {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) unsigned int altsetting;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) unsigned int BMaxDSL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) unsigned char ModemMode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) unsigned char ModemOption[MODEM_OPTION_LENGTH];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) struct speedtch_instance_data {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) struct usbatm_data *usbatm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) struct speedtch_params params; /* set in probe, constant afterwards */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) struct timer_list status_check_timer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) struct work_struct status_check_work;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) unsigned char last_status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) int poll_delay; /* milliseconds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) struct timer_list resubmit_timer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) struct urb *int_urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) unsigned char int_data[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) unsigned char scratch_buffer[16];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) /***************
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) ** firmware **
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) ***************/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) static void speedtch_set_swbuff(struct speedtch_instance_data *instance, int state)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) struct usbatm_data *usbatm = instance->usbatm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) struct usb_device *usb_dev = usbatm->usb_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 0x32, 0x40, state ? 0x01 : 0x00, 0x00, NULL, 0, CTRL_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) usb_warn(usbatm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) "%sabling SW buffering: usb_control_msg returned %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) state ? "En" : "Dis", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) usb_dbg(usbatm, "speedtch_set_swbuff: %sbled SW buffering\n", state ? "En" : "Dis");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) static void speedtch_test_sequence(struct speedtch_instance_data *instance)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) struct usbatm_data *usbatm = instance->usbatm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) struct usb_device *usb_dev = usbatm->usb_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) unsigned char *buf = instance->scratch_buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) /* URB 147 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) buf[0] = 0x1c;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) buf[1] = 0x50;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 0x01, 0x40, 0x0b, 0x00, buf, 2, CTRL_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) usb_warn(usbatm, "%s failed on URB147: %d\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) /* URB 148 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) buf[0] = 0x32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) buf[1] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 0x01, 0x40, 0x02, 0x00, buf, 2, CTRL_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) usb_warn(usbatm, "%s failed on URB148: %d\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) /* URB 149 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) buf[0] = 0x01;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) buf[1] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) buf[2] = 0x01;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 0x01, 0x40, 0x03, 0x00, buf, 3, CTRL_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) usb_warn(usbatm, "%s failed on URB149: %d\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) /* URB 150 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) buf[0] = 0x01;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) buf[1] = 0x00;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) buf[2] = 0x01;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 0x01, 0x40, 0x04, 0x00, buf, 3, CTRL_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) usb_warn(usbatm, "%s failed on URB150: %d\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) /* Extra initialisation in recent drivers - gives higher speeds */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) /* URBext1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) buf[0] = instance->params.ModemMode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 0x01, 0x40, 0x11, 0x00, buf, 1, CTRL_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) usb_warn(usbatm, "%s failed on URBext1: %d\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) /* URBext2 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) /* This seems to be the one which actually triggers the higher sync
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) rate -- it does require the new firmware too, although it works OK
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) with older firmware */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 0x01, 0x40, 0x14, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) instance->params.ModemOption,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) MODEM_OPTION_LENGTH, CTRL_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) usb_warn(usbatm, "%s failed on URBext2: %d\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) /* URBext3 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) buf[0] = instance->params.BMaxDSL & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) buf[1] = instance->params.BMaxDSL >> 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) ret = usb_control_msg(usb_dev, usb_sndctrlpipe(usb_dev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 0x01, 0x40, 0x12, 0x00, buf, 2, CTRL_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) usb_warn(usbatm, "%s failed on URBext3: %d\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) static int speedtch_upload_firmware(struct speedtch_instance_data *instance,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) const struct firmware *fw1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) const struct firmware *fw2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) unsigned char *buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) struct usbatm_data *usbatm = instance->usbatm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) struct usb_device *usb_dev = usbatm->usb_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) int actual_length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) int offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) usb_dbg(usbatm, "%s entered\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) buffer = (unsigned char *)__get_free_page(GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) if (!buffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) usb_dbg(usbatm, "%s: no memory for buffer!\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) if (!usb_ifnum_to_if(usb_dev, 2)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) ret = -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) usb_dbg(usbatm, "%s: interface not found!\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) /* URB 7 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) if (dl_512_first) { /* some modems need a read before writing the firmware */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) ret = usb_bulk_msg(usb_dev, usb_rcvbulkpipe(usb_dev, ENDPOINT_FIRMWARE),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) buffer, 0x200, &actual_length, 2000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) if (ret < 0 && ret != -ETIMEDOUT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) usb_warn(usbatm, "%s: read BLOCK0 from modem failed (%d)!\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) usb_dbg(usbatm, "%s: BLOCK0 downloaded (%d bytes)\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) /* URB 8 : both leds are static green */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) for (offset = 0; offset < fw1->size; offset += PAGE_SIZE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) int thislen = min_t(int, PAGE_SIZE, fw1->size - offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) memcpy(buffer, fw1->data + offset, thislen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) ret = usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, ENDPOINT_FIRMWARE),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) buffer, thislen, &actual_length, DATA_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) usb_err(usbatm, "%s: write BLOCK1 to modem failed (%d)!\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) usb_dbg(usbatm, "%s: BLOCK1 uploaded (%zu bytes)\n", __func__, fw1->size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) /* USB led blinking green, ADSL led off */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) /* URB 11 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) ret = usb_bulk_msg(usb_dev, usb_rcvbulkpipe(usb_dev, ENDPOINT_FIRMWARE),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) buffer, 0x200, &actual_length, DATA_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) usb_err(usbatm, "%s: read BLOCK2 from modem failed (%d)!\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) usb_dbg(usbatm, "%s: BLOCK2 downloaded (%d bytes)\n", __func__, actual_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) /* URBs 12 to 139 - USB led blinking green, ADSL led off */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) for (offset = 0; offset < fw2->size; offset += PAGE_SIZE) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) int thislen = min_t(int, PAGE_SIZE, fw2->size - offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) memcpy(buffer, fw2->data + offset, thislen);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) ret = usb_bulk_msg(usb_dev, usb_sndbulkpipe(usb_dev, ENDPOINT_FIRMWARE),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) buffer, thislen, &actual_length, DATA_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) usb_err(usbatm, "%s: write BLOCK3 to modem failed (%d)!\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) usb_dbg(usbatm, "%s: BLOCK3 uploaded (%zu bytes)\n", __func__, fw2->size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) /* USB led static green, ADSL led static red */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) /* URB 142 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) ret = usb_bulk_msg(usb_dev, usb_rcvbulkpipe(usb_dev, ENDPOINT_FIRMWARE),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) buffer, 0x200, &actual_length, DATA_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) usb_err(usbatm, "%s: read BLOCK4 from modem failed (%d)!\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) goto out_free;
^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) /* success */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) usb_dbg(usbatm, "%s: BLOCK4 downloaded (%d bytes)\n", __func__, actual_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) /* Delay to allow firmware to start up. We can do this here
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) because we're in our own kernel thread anyway. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) msleep_interruptible(1000);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, instance->params.altsetting)) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) usb_err(usbatm, "%s: setting interface to %d failed (%d)!\n", __func__, instance->params.altsetting, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) /* Enable software buffering, if requested */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) if (sw_buffering)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) speedtch_set_swbuff(instance, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) /* Magic spell; don't ask us what this does */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) speedtch_test_sequence(instance);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) out_free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) free_page((unsigned long)buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) return ret;
^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) static int speedtch_find_firmware(struct usbatm_data *usbatm, struct usb_interface *intf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) int phase, const struct firmware **fw_p)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) struct device *dev = &intf->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) const u16 bcdDevice = le16_to_cpu(interface_to_usbdev(intf)->descriptor.bcdDevice);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) const u8 major_revision = bcdDevice >> 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) const u8 minor_revision = bcdDevice & 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) char buf[24];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) sprintf(buf, "speedtch-%d.bin.%x.%02x", phase, major_revision, minor_revision);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) usb_dbg(usbatm, "%s: looking for %s\n", __func__, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) if (request_firmware(fw_p, buf, dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) sprintf(buf, "speedtch-%d.bin.%x", phase, major_revision);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) usb_dbg(usbatm, "%s: looking for %s\n", __func__, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) if (request_firmware(fw_p, buf, dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) sprintf(buf, "speedtch-%d.bin", phase);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) usb_dbg(usbatm, "%s: looking for %s\n", __func__, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) if (request_firmware(fw_p, buf, dev)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) usb_err(usbatm, "%s: no stage %d firmware found!\n", __func__, phase);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) return -ENOENT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) usb_info(usbatm, "found stage %d firmware %s\n", phase, buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) static int speedtch_heavy_init(struct usbatm_data *usbatm, struct usb_interface *intf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) const struct firmware *fw1, *fw2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) struct speedtch_instance_data *instance = usbatm->driver_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) if ((ret = speedtch_find_firmware(usbatm, intf, 1, &fw1)) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) if ((ret = speedtch_find_firmware(usbatm, intf, 2, &fw2)) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) release_firmware(fw1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) if ((ret = speedtch_upload_firmware(instance, fw1, fw2)) < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) usb_err(usbatm, "%s: firmware upload failed (%d)!\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) release_firmware(fw2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) release_firmware(fw1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) /**********
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) ** ATM **
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) **********/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) static int speedtch_read_status(struct speedtch_instance_data *instance)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) struct usbatm_data *usbatm = instance->usbatm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) struct usb_device *usb_dev = usbatm->usb_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) unsigned char *buf = instance->scratch_buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) memset(buf, 0, 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 0x12, 0xc0, 0x07, 0x00, buf + OFFSET_7, SIZE_7,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) CTRL_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) atm_dbg(usbatm, "%s: MSG 7 failed\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) 0x12, 0xc0, 0x0b, 0x00, buf + OFFSET_b, SIZE_b,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) CTRL_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) atm_dbg(usbatm, "%s: MSG B failed\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) return ret;
^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) ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) 0x12, 0xc0, 0x0d, 0x00, buf + OFFSET_d, SIZE_d,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) CTRL_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) atm_dbg(usbatm, "%s: MSG D failed\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440) ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) 0x01, 0xc0, 0x0e, 0x00, buf + OFFSET_e, SIZE_e,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) CTRL_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) atm_dbg(usbatm, "%s: MSG E failed\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) 0x01, 0xc0, 0x0f, 0x00, buf + OFFSET_f, SIZE_f,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) CTRL_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) atm_dbg(usbatm, "%s: MSG F failed\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) static int speedtch_start_synchro(struct speedtch_instance_data *instance)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) struct usbatm_data *usbatm = instance->usbatm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) struct usb_device *usb_dev = usbatm->usb_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) unsigned char *buf = instance->scratch_buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) atm_dbg(usbatm, "%s entered\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) memset(buf, 0, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470) ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) 0x12, 0xc0, 0x04, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) buf, 2, CTRL_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) atm_warn(usbatm, "failed to start ADSL synchronisation: %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) atm_dbg(usbatm, "%s: modem prodded. %d bytes returned: %02x %02x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) __func__, ret, buf[0], buf[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483) static void speedtch_check_status(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485) struct speedtch_instance_data *instance =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) container_of(work, struct speedtch_instance_data,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) status_check_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) struct usbatm_data *usbatm = instance->usbatm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) struct atm_dev *atm_dev = usbatm->atm_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) unsigned char *buf = instance->scratch_buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) int down_speed, up_speed, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) unsigned char status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494) #ifdef VERBOSE_DEBUG
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) atm_dbg(usbatm, "%s entered\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) ret = speedtch_read_status(instance);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) atm_warn(usbatm, "error %d fetching device status\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501) instance->poll_delay = min(2 * instance->poll_delay, MAX_POLL_DELAY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) instance->poll_delay = max(instance->poll_delay / 2, MIN_POLL_DELAY);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) status = buf[OFFSET_7];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509) if ((status != instance->last_status) || !status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) atm_dbg(usbatm, "%s: line state 0x%02x\n", __func__, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) switch (status) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) atm_dev_signal_change(atm_dev, ATM_PHY_SIG_LOST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) if (instance->last_status)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) atm_info(usbatm, "ADSL line is down\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) /* It may never resync again unless we ask it to... */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) ret = speedtch_start_synchro(instance);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521) case 0x08:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) atm_dev_signal_change(atm_dev, ATM_PHY_SIG_UNKNOWN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 523) atm_info(usbatm, "ADSL line is blocked?\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 524) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 525)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 526) case 0x10:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 527) atm_dev_signal_change(atm_dev, ATM_PHY_SIG_LOST);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 528) atm_info(usbatm, "ADSL line is synchronising\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 529) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 530)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 531) case 0x20:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 532) down_speed = buf[OFFSET_b] | (buf[OFFSET_b + 1] << 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 533) | (buf[OFFSET_b + 2] << 16) | (buf[OFFSET_b + 3] << 24);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 534) up_speed = buf[OFFSET_b + 4] | (buf[OFFSET_b + 5] << 8)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 535) | (buf[OFFSET_b + 6] << 16) | (buf[OFFSET_b + 7] << 24);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 536)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 537) if (!(down_speed & 0x0000ffff) && !(up_speed & 0x0000ffff)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 538) down_speed >>= 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 539) up_speed >>= 16;
^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) atm_dev->link_rate = down_speed * 1000 / 424;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 543) atm_dev_signal_change(atm_dev, ATM_PHY_SIG_FOUND);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 544)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 545) atm_info(usbatm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 546) "ADSL line is up (%d kb/s down | %d kb/s up)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 547) down_speed, up_speed);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 548) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 549)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 550) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 551) atm_dev_signal_change(atm_dev, ATM_PHY_SIG_UNKNOWN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 552) atm_info(usbatm, "unknown line state %02x\n", status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 553) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 554) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 555)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 556) instance->last_status = status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 557) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 558) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 559)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 560) static void speedtch_status_poll(struct timer_list *t)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 561) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 562) struct speedtch_instance_data *instance = from_timer(instance, t,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 563) status_check_timer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 564)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 565) schedule_work(&instance->status_check_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 566)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 567) /* The following check is racy, but the race is harmless */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 568) if (instance->poll_delay < MAX_POLL_DELAY)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 569) mod_timer(&instance->status_check_timer, jiffies + msecs_to_jiffies(instance->poll_delay));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 570) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 571) atm_warn(instance->usbatm, "Too many failures - disabling line status polling\n");
^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) static void speedtch_resubmit_int(struct timer_list *t)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 575) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 576) struct speedtch_instance_data *instance = from_timer(instance, t,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 577) resubmit_timer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 578) struct urb *int_urb = instance->int_urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 579) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 580)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 581) atm_dbg(instance->usbatm, "%s entered\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 582)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 583) if (int_urb) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 584) ret = usb_submit_urb(int_urb, GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 585) if (!ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 586) schedule_work(&instance->status_check_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 587) else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 588) atm_dbg(instance->usbatm, "%s: usb_submit_urb failed with result %d\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 589) mod_timer(&instance->resubmit_timer, jiffies + msecs_to_jiffies(RESUBMIT_DELAY));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 590) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 591) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 592) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 593)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 594) static void speedtch_handle_int(struct urb *int_urb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 595) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 596) struct speedtch_instance_data *instance = int_urb->context;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 597) struct usbatm_data *usbatm = instance->usbatm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 598) unsigned int count = int_urb->actual_length;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 599) int status = int_urb->status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 600) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 601)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 602) /* The magic interrupt for "up state" */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 603) static const unsigned char up_int[6] = { 0xa1, 0x00, 0x01, 0x00, 0x00, 0x00 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 604) /* The magic interrupt for "down state" */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 605) static const unsigned char down_int[6] = { 0xa1, 0x00, 0x00, 0x00, 0x00, 0x00 };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 606)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 607) atm_dbg(usbatm, "%s entered\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 608)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 609) if (status < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 610) atm_dbg(usbatm, "%s: nonzero urb status %d!\n", __func__, status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 611) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 612) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 613)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 614) if ((count == 6) && !memcmp(up_int, instance->int_data, 6)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 615) del_timer(&instance->status_check_timer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 616) atm_info(usbatm, "DSL line goes up\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 617) } else if ((count == 6) && !memcmp(down_int, instance->int_data, 6)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 618) atm_info(usbatm, "DSL line goes down\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 619) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 620) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 621)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 622) atm_dbg(usbatm, "%s: unknown interrupt packet of length %d:", __func__, count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 623) for (i = 0; i < count; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 624) printk(" %02x", instance->int_data[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 625) printk("\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 626) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 627) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 628)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 629) int_urb = instance->int_urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 630) if (int_urb) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 631) ret = usb_submit_urb(int_urb, GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 632) schedule_work(&instance->status_check_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 633) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 634) atm_dbg(usbatm, "%s: usb_submit_urb failed with result %d\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 635) goto fail;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 636) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 637) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 638)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 639) return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 640)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 641) fail:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 642) int_urb = instance->int_urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 643) if (int_urb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 644) mod_timer(&instance->resubmit_timer, jiffies + msecs_to_jiffies(RESUBMIT_DELAY));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 645) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 646)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 647) static int speedtch_atm_start(struct usbatm_data *usbatm, struct atm_dev *atm_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 648) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 649) struct usb_device *usb_dev = usbatm->usb_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 650) struct speedtch_instance_data *instance = usbatm->driver_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 651) int i, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 652) unsigned char mac_str[13];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 653)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 654) atm_dbg(usbatm, "%s entered\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 655)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 656) /* Set MAC address, it is stored in the serial number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 657) memset(atm_dev->esi, 0, sizeof(atm_dev->esi));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 658) if (usb_string(usb_dev, usb_dev->descriptor.iSerialNumber, mac_str, sizeof(mac_str)) == 12) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 659) for (i = 0; i < 6; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 660) atm_dev->esi[i] = (hex_to_bin(mac_str[i * 2]) << 4) +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 661) hex_to_bin(mac_str[i * 2 + 1]);
^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) /* Start modem synchronisation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 665) ret = speedtch_start_synchro(instance);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 666)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 667) /* Set up interrupt endpoint */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 668) if (instance->int_urb) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 669) ret = usb_submit_urb(instance->int_urb, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 670) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 671) /* Doesn't matter; we'll poll anyway */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 672) atm_dbg(usbatm, "%s: submission of interrupt URB failed (%d)!\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 673) usb_free_urb(instance->int_urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 674) instance->int_urb = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 675) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 676) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 677)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 678) /* Start status polling */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 679) mod_timer(&instance->status_check_timer, jiffies + msecs_to_jiffies(1000));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 680)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 681) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 682) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 683)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 684) static void speedtch_atm_stop(struct usbatm_data *usbatm, struct atm_dev *atm_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 685) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 686) struct speedtch_instance_data *instance = usbatm->driver_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 687) struct urb *int_urb = instance->int_urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 688)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 689) atm_dbg(usbatm, "%s entered\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 690)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 691) del_timer_sync(&instance->status_check_timer);
^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) * Since resubmit_timer and int_urb can schedule themselves and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 695) * each other, shutting them down correctly takes some care
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 696) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 697) instance->int_urb = NULL; /* signal shutdown */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 698) mb();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 699) usb_kill_urb(int_urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 700) del_timer_sync(&instance->resubmit_timer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 701) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 702) * At this point, speedtch_handle_int and speedtch_resubmit_int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 703) * can run or be running, but instance->int_urb == NULL means that
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 704) * they will not reschedule
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 705) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 706) usb_kill_urb(int_urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 707) del_timer_sync(&instance->resubmit_timer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 708) usb_free_urb(int_urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 709)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 710) flush_work(&instance->status_check_work);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 711) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 712)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 713) static int speedtch_pre_reset(struct usb_interface *intf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 714) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 715) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 716) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 717)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 718) static int speedtch_post_reset(struct usb_interface *intf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 719) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 720) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 721) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 722)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 723)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 724) /**********
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 725) ** USB **
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 726) **********/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 727)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 728) static const struct usb_device_id speedtch_usb_ids[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 729) {USB_DEVICE(0x06b9, 0x4061)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 730) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 731) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 732)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 733) MODULE_DEVICE_TABLE(usb, speedtch_usb_ids);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 734)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 735) static int speedtch_usb_probe(struct usb_interface *, const struct usb_device_id *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 736)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 737) static struct usb_driver speedtch_usb_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 738) .name = speedtch_driver_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 739) .probe = speedtch_usb_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 740) .disconnect = usbatm_usb_disconnect,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 741) .pre_reset = speedtch_pre_reset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 742) .post_reset = speedtch_post_reset,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 743) .id_table = speedtch_usb_ids
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 744) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 745)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 746) static void speedtch_release_interfaces(struct usb_device *usb_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 747) int num_interfaces)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 748) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 749) struct usb_interface *cur_intf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 750) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 751)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 752) for (i = 0; i < num_interfaces; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 753) cur_intf = usb_ifnum_to_if(usb_dev, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 754) if (cur_intf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 755) usb_set_intfdata(cur_intf, NULL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 756) usb_driver_release_interface(&speedtch_usb_driver, cur_intf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 757) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 758) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 759) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 760)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 761) static int speedtch_bind(struct usbatm_data *usbatm,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 762) struct usb_interface *intf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 763) const struct usb_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 764) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 765) struct usb_device *usb_dev = interface_to_usbdev(intf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 766) struct usb_interface *cur_intf, *data_intf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 767) struct speedtch_instance_data *instance;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 768) int ifnum = intf->altsetting->desc.bInterfaceNumber;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 769) int num_interfaces = usb_dev->actconfig->desc.bNumInterfaces;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 770) int i, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 771) int use_isoc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 772)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 773) usb_dbg(usbatm, "%s entered\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 774)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 775) /* sanity checks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 776)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 777) if (usb_dev->descriptor.bDeviceClass != USB_CLASS_VENDOR_SPEC) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 778) usb_err(usbatm, "%s: wrong device class %d\n", __func__, usb_dev->descriptor.bDeviceClass);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 779) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 780) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 781)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 782) data_intf = usb_ifnum_to_if(usb_dev, INTERFACE_DATA);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 783) if (!data_intf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 784) usb_err(usbatm, "%s: data interface not found!\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 785) return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 786) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 787)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 788) /* claim all interfaces */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 789)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 790) for (i = 0; i < num_interfaces; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 791) cur_intf = usb_ifnum_to_if(usb_dev, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 792)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 793) if ((i != ifnum) && cur_intf) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 794) ret = usb_driver_claim_interface(&speedtch_usb_driver, cur_intf, usbatm);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 795)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 796) if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 797) usb_err(usbatm, "%s: failed to claim interface %2d (%d)!\n", __func__, i, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 798) speedtch_release_interfaces(usb_dev, i);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 799) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 800) }
^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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 804) instance = kzalloc(sizeof(*instance), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 805)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 806) if (!instance) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 807) ret = -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 808) goto fail_release;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 809) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 810)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 811) instance->usbatm = usbatm;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 812)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 813) /* module parameters may change at any moment, so take a snapshot */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 814) instance->params.altsetting = altsetting;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 815) instance->params.BMaxDSL = BMaxDSL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 816) instance->params.ModemMode = ModemMode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 817) memcpy(instance->params.ModemOption, DEFAULT_MODEM_OPTION, MODEM_OPTION_LENGTH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 818) memcpy(instance->params.ModemOption, ModemOption, num_ModemOption);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 819) use_isoc = enable_isoc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 820)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 821) if (instance->params.altsetting)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 822) if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, instance->params.altsetting)) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 823) usb_err(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, instance->params.altsetting, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 824) instance->params.altsetting = 0; /* fall back to default */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 825) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 826)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 827) if (!instance->params.altsetting && use_isoc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 828) if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, DEFAULT_ISOC_ALTSETTING)) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 829) usb_dbg(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, DEFAULT_ISOC_ALTSETTING, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 830) use_isoc = 0; /* fall back to bulk */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 831) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 832)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 833) if (use_isoc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 834) const struct usb_host_interface *desc = data_intf->cur_altsetting;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 835) const __u8 target_address = USB_DIR_IN | usbatm->driver->isoc_in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 836)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 837) use_isoc = 0; /* fall back to bulk if endpoint not found */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 838)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 839) for (i = 0; i < desc->desc.bNumEndpoints; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 840) const struct usb_endpoint_descriptor *endpoint_desc = &desc->endpoint[i].desc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 841)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 842) if ((endpoint_desc->bEndpointAddress == target_address)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 843) use_isoc =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 844) usb_endpoint_xfer_isoc(endpoint_desc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 845) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 846) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 847) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 848)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 849) if (!use_isoc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 850) usb_info(usbatm, "isochronous transfer not supported - using bulk\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 851) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 852)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 853) if (!use_isoc && !instance->params.altsetting)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 854) if ((ret = usb_set_interface(usb_dev, INTERFACE_DATA, DEFAULT_BULK_ALTSETTING)) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 855) usb_err(usbatm, "%s: setting interface to %2d failed (%d)!\n", __func__, DEFAULT_BULK_ALTSETTING, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 856) goto fail_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 857) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 858)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 859) if (!instance->params.altsetting)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 860) instance->params.altsetting = use_isoc ? DEFAULT_ISOC_ALTSETTING : DEFAULT_BULK_ALTSETTING;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 861)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 862) usbatm->flags |= (use_isoc ? UDSL_USE_ISOC : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 863)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 864) INIT_WORK(&instance->status_check_work, speedtch_check_status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 865) timer_setup(&instance->status_check_timer, speedtch_status_poll, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 866) instance->last_status = 0xff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 867) instance->poll_delay = MIN_POLL_DELAY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 868)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 869) timer_setup(&instance->resubmit_timer, speedtch_resubmit_int, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 870)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 871) instance->int_urb = usb_alloc_urb(0, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 872)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 873) if (instance->int_urb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 874) usb_fill_int_urb(instance->int_urb, usb_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 875) usb_rcvintpipe(usb_dev, ENDPOINT_INT),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 876) instance->int_data, sizeof(instance->int_data),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 877) speedtch_handle_int, instance, 16);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 878) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 879) usb_dbg(usbatm, "%s: no memory for interrupt urb!\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 880)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 881) /* check whether the modem already seems to be alive */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 882) ret = usb_control_msg(usb_dev, usb_rcvctrlpipe(usb_dev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 883) 0x12, 0xc0, 0x07, 0x00,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 884) instance->scratch_buffer + OFFSET_7, SIZE_7, 500);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 885)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 886) usbatm->flags |= (ret == SIZE_7 ? UDSL_SKIP_HEAVY_INIT : 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 887)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 888) usb_dbg(usbatm, "%s: firmware %s loaded\n", __func__, usbatm->flags & UDSL_SKIP_HEAVY_INIT ? "already" : "not");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 889)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 890) if (!(usbatm->flags & UDSL_SKIP_HEAVY_INIT))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 891) if ((ret = usb_reset_device(usb_dev)) < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 892) usb_err(usbatm, "%s: device reset failed (%d)!\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 893) goto fail_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 894) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 895)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 896) usbatm->driver_data = instance;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 897)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 898) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 899)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 900) fail_free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 901) usb_free_urb(instance->int_urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 902) kfree(instance);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 903) fail_release:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 904) speedtch_release_interfaces(usb_dev, num_interfaces);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 905) return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 906) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 907)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 908) static void speedtch_unbind(struct usbatm_data *usbatm, struct usb_interface *intf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 909) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 910) struct usb_device *usb_dev = interface_to_usbdev(intf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 911) struct speedtch_instance_data *instance = usbatm->driver_data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 912)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 913) usb_dbg(usbatm, "%s entered\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 914)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 915) speedtch_release_interfaces(usb_dev, usb_dev->actconfig->desc.bNumInterfaces);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 916) usb_free_urb(instance->int_urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 917) kfree(instance);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 918) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 919)
^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) ** init **
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 923) ***********/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 924)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 925) static struct usbatm_driver speedtch_usbatm_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 926) .driver_name = speedtch_driver_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 927) .bind = speedtch_bind,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 928) .heavy_init = speedtch_heavy_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 929) .unbind = speedtch_unbind,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 930) .atm_start = speedtch_atm_start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 931) .atm_stop = speedtch_atm_stop,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 932) .bulk_in = ENDPOINT_BULK_DATA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 933) .bulk_out = ENDPOINT_BULK_DATA,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 934) .isoc_in = ENDPOINT_ISOC_DATA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 935) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 936)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 937) static int speedtch_usb_probe(struct usb_interface *intf, const struct usb_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 938) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 939) return usbatm_usb_probe(intf, id, &speedtch_usbatm_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 940) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 941)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 942) module_usb_driver(speedtch_usb_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 943)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 944) MODULE_AUTHOR(DRIVER_AUTHOR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 945) MODULE_DESCRIPTION(DRIVER_DESC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 946) MODULE_LICENSE("GPL");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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