Orange Pi5 kernel

^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)  * SQ905 subdriver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Copyright (C) 2008, 2009 Adam Baker and Theodore Kilgore
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  * History and Acknowledgments
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  * The original Linux driver for SQ905 based cameras was written by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  * Marcell Lengyel and further developed by many other contributors
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  * and is available from http://sourceforge.net/projects/sqcam/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  * This driver takes advantage of the reverse engineering work done for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  * that driver and for libgphoto2 but shares no code with them.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18)  * This driver has used as a base the finepix driver and other gspca
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19)  * based drivers and may still contain code fragments taken from those
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20)  * drivers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) #define MODULE_NAME "sq905"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) #include <linux/workqueue.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) #include <linux/slab.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) #include "gspca.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) MODULE_AUTHOR("Adam Baker <linux@baker-net.org.uk>, Theodore Kilgore <kilgota@auburn.edu>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) MODULE_DESCRIPTION("GSPCA/SQ905 USB Camera Driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) /* Default timeouts, in ms */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) #define SQ905_CMD_TIMEOUT 500
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) #define SQ905_DATA_TIMEOUT 1000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) /* Maximum transfer size to use. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) #define SQ905_MAX_TRANSFER 0x8000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) #define FRAME_HEADER_LEN 64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) /* The known modes, or registers. These go in the "value" slot. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) /* 00 is "none" obviously */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) #define SQ905_BULK_READ	0x03	/* precedes any bulk read */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) #define SQ905_COMMAND	0x06	/* precedes the command codes below */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) #define SQ905_PING	0x07	/* when reading an "idling" command */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) #define SQ905_READ_DONE 0xc0    /* ack bulk read completed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) /* Any non-zero value in the bottom 2 bits of the 2nd byte of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53)  * the ID appears to indicate the camera can do 640*480. If the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54)  * LSB of that byte is set the image is just upside down, otherwise
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55)  * it is rotated 180 degrees. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) #define SQ905_HIRES_MASK	0x00000300
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) #define SQ905_ORIENTATION_MASK	0x00000100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) /* Some command codes. These go in the "index" slot. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) #define SQ905_ID      0xf0	/* asks for model string */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) #define SQ905_CONFIG  0x20	/* gets photo alloc. table, not used here */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) #define SQ905_DATA    0x30	/* accesses photo data, not used here */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) #define SQ905_CLEAR   0xa0	/* clear everything */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) #define SQ905_CAPTURE_LOW  0x60	/* Starts capture at 160x120 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) #define SQ905_CAPTURE_MED  0x61	/* Starts capture at 320x240 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) #define SQ905_CAPTURE_HIGH 0x62	/* Starts capture at 640x480 (some cams only) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) /* note that the capture command also controls the output dimensions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) /* Structure to hold all of our device specific stuff */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) struct sd {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	struct gspca_dev gspca_dev;	/* !! must be the first item */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	 * Driver stuff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	struct work_struct work_struct;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	struct workqueue_struct *work_thread;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) static struct v4l2_pix_format sq905_mode[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	{ 160, 120, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 		.bytesperline = 160,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 		.sizeimage = 160 * 120,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 		.colorspace = V4L2_COLORSPACE_SRGB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 		.priv = 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	{ 320, 240, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 		.bytesperline = 320,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 		.sizeimage = 320 * 240,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 		.colorspace = V4L2_COLORSPACE_SRGB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 		.priv = 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	{ 640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 		.bytesperline = 640,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 		.sizeimage = 640 * 480,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 		.colorspace = V4L2_COLORSPACE_SRGB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 		.priv = 0}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100)  * Send a command to the camera.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) static int sq905_command(struct gspca_dev *gspca_dev, u16 index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	gspca_dev->usb_buf[0] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	ret = usb_control_msg(gspca_dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 			      usb_sndctrlpipe(gspca_dev->dev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 			      USB_REQ_SYNCH_FRAME,                /* request */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 			      SQ905_COMMAND, index, gspca_dev->usb_buf, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 			      SQ905_CMD_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 		pr_err("%s: usb_control_msg failed (%d)\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	ret = usb_control_msg(gspca_dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 			      usb_rcvctrlpipe(gspca_dev->dev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 			      USB_REQ_SYNCH_FRAME,                /* request */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 			      USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 			      SQ905_PING, 0, gspca_dev->usb_buf, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 			      SQ905_CMD_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 		pr_err("%s: usb_control_msg failed 2 (%d)\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133)  * Acknowledge the end of a frame - see warning on sq905_command.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) static int sq905_ack_frame(struct gspca_dev *gspca_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	gspca_dev->usb_buf[0] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	ret = usb_control_msg(gspca_dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 			      usb_sndctrlpipe(gspca_dev->dev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 			      USB_REQ_SYNCH_FRAME,                /* request */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 			      SQ905_READ_DONE, 0, gspca_dev->usb_buf, 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 			      SQ905_CMD_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 		pr_err("%s: usb_control_msg failed (%d)\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155)  *  request and read a block of data - see warning on sq905_command.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) static int
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) sq905_read_data(struct gspca_dev *gspca_dev, u8 *data, int size, int need_lock)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	int act_len = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	gspca_dev->usb_buf[0] = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	if (need_lock)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 		mutex_lock(&gspca_dev->usb_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	ret = usb_control_msg(gspca_dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 			      usb_sndctrlpipe(gspca_dev->dev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 			      USB_REQ_SYNCH_FRAME,                /* request */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 			      SQ905_BULK_READ, size, gspca_dev->usb_buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 			      1, SQ905_CMD_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	if (need_lock)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 		mutex_unlock(&gspca_dev->usb_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 		pr_err("%s: usb_control_msg failed (%d)\n", __func__, ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	ret = usb_bulk_msg(gspca_dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 			   usb_rcvbulkpipe(gspca_dev->dev, 0x81),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 			   data, size, &act_len, SQ905_DATA_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 	/* successful, it returns 0, otherwise  negative */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 	if (ret < 0 || act_len != size) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 		pr_err("bulk read fail (%d) len %d/%d\n", ret, act_len, size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 		return -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191)  * This function is called as a workqueue function and runs whenever the camera
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)  * is streaming data. Because it is a workqueue function it is allowed to sleep
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193)  * so we can use synchronous USB calls. To avoid possible collisions with other
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)  * threads attempting to use gspca_dev->usb_buf we take the usb_lock when
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)  * performing USB operations using it. In practice we don't really need this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)  * as the camera doesn't provide any controls.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) static void sq905_dostream(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 	struct sd *dev = container_of(work, struct sd, work_struct);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 	struct gspca_dev *gspca_dev = &dev->gspca_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 	int bytes_left; /* bytes remaining in current frame. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 	int data_len;   /* size to use for the next read. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	int header_read; /* true if we have already read the frame header. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	int packet_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	int frame_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	u8 *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	u8 *buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	buffer = kmalloc(SQ905_MAX_TRANSFER, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	if (!buffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 		pr_err("Couldn't allocate USB buffer\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 		goto quit_stream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	frame_sz = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].sizeimage
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 			+ FRAME_HEADER_LEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	while (gspca_dev->present && gspca_dev->streaming) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 		if (gspca_dev->frozen)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 		/* request some data and then read it until we have
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 		 * a complete frame. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 		bytes_left = frame_sz;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 		header_read = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 		/* Note we do not check for gspca_dev->streaming here, as
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 		   we must finish reading an entire frame, otherwise the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 		   next time we stream we start reading in the middle of a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 		   frame. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 		while (bytes_left > 0 && gspca_dev->present) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 			data_len = bytes_left > SQ905_MAX_TRANSFER ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 				SQ905_MAX_TRANSFER : bytes_left;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 			ret = sq905_read_data(gspca_dev, buffer, data_len, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 			if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 				goto quit_stream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 			gspca_dbg(gspca_dev, D_PACK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 				  "Got %d bytes out of %d for frame\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 				  data_len, bytes_left);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 			bytes_left -= data_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 			data = buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 			if (!header_read) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 				packet_type = FIRST_PACKET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 				/* The first 64 bytes of each frame are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 				 * a header full of FF 00 bytes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 				data += FRAME_HEADER_LEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 				data_len -= FRAME_HEADER_LEN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) 				header_read = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 			} else if (bytes_left == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 				packet_type = LAST_PACKET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 			} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) 				packet_type = INTER_PACKET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) 			gspca_frame_add(gspca_dev, packet_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 					data, data_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 			/* If entire frame fits in one packet we still
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) 			   need to add a LAST_PACKET */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 			if (packet_type == FIRST_PACKET &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 			    bytes_left == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 				gspca_frame_add(gspca_dev, LAST_PACKET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 						NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 		if (gspca_dev->present) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 			/* acknowledge the frame */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 			mutex_lock(&gspca_dev->usb_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 			ret = sq905_ack_frame(gspca_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 			mutex_unlock(&gspca_dev->usb_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) 			if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 				goto quit_stream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) quit_stream:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) 	if (gspca_dev->present) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 		mutex_lock(&gspca_dev->usb_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) 		sq905_command(gspca_dev, SQ905_CLEAR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) 		mutex_unlock(&gspca_dev->usb_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 	kfree(buffer);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) /* This function is called at probe time just before sd_init */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) static int sd_config(struct gspca_dev *gspca_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) 		const struct usb_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) 	struct cam *cam = &gspca_dev->cam;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) 	struct sd *dev = (struct sd *) gspca_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) 	/* We don't use the buffer gspca allocates so make it small. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 	cam->bulk = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) 	cam->bulk_size = 64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) 	INIT_WORK(&dev->work_struct, sq905_dostream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) /* called on streamoff with alt==0 and on disconnect */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) /* the usb_lock is held at entry - restore on exit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) static void sd_stop0(struct gspca_dev *gspca_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) 	struct sd *dev = (struct sd *) gspca_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) 	/* wait for the work queue to terminate */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) 	mutex_unlock(&gspca_dev->usb_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) 	/* This waits for sq905_dostream to finish */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) 	destroy_workqueue(dev->work_thread);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) 	dev->work_thread = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) 	mutex_lock(&gspca_dev->usb_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314) /* this function is called at probe and resume time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) static int sd_init(struct gspca_dev *gspca_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) 	u32 ident;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320) 	/* connect to the camera and read
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) 	 * the model ID and process that and put it away.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) 	ret = sq905_command(gspca_dev, SQ905_CLEAR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) 	ret = sq905_command(gspca_dev, SQ905_ID);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) 	ret = sq905_read_data(gspca_dev, gspca_dev->usb_buf, 4, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) 	/* usb_buf is allocated with kmalloc so is aligned.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) 	 * Camera model number is the right way round if we assume this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) 	 * reverse engineered ID is supposed to be big endian. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) 	ident = be32_to_cpup((__be32 *)gspca_dev->usb_buf);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) 	ret = sq905_command(gspca_dev, SQ905_CLEAR);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) 	if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) 	gspca_dbg(gspca_dev, D_CONF, "SQ905 camera ID %08x detected\n", ident);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) 	gspca_dev->cam.cam_mode = sq905_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) 	gspca_dev->cam.nmodes = ARRAY_SIZE(sq905_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) 	if (!(ident & SQ905_HIRES_MASK))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) 		gspca_dev->cam.nmodes--;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) 	if (ident & SQ905_ORIENTATION_MASK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) 		gspca_dev->cam.input_flags = V4L2_IN_ST_VFLIP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) 		gspca_dev->cam.input_flags = V4L2_IN_ST_VFLIP |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) 					     V4L2_IN_ST_HFLIP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) /* Set up for getting frames. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) static int sd_start(struct gspca_dev *gspca_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) 	struct sd *dev = (struct sd *) gspca_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) 	/* "Open the shutter" and set size, to start capture */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) 	switch (gspca_dev->curr_mode) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) /*	case 2: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) 		gspca_dbg(gspca_dev, D_STREAM, "Start streaming at high resolution\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) 		ret = sq905_command(&dev->gspca_dev, SQ905_CAPTURE_HIGH);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) 	case 1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) 		gspca_dbg(gspca_dev, D_STREAM, "Start streaming at medium resolution\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) 		ret = sq905_command(&dev->gspca_dev, SQ905_CAPTURE_MED);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) 	case 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) 		gspca_dbg(gspca_dev, D_STREAM, "Start streaming at low resolution\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) 		ret = sq905_command(&dev->gspca_dev, SQ905_CAPTURE_LOW);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) 		gspca_err(gspca_dev, "Start streaming command failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) 	/* Start the workqueue function to do the streaming */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) 	dev->work_thread = create_singlethread_workqueue(MODULE_NAME);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) 	if (!dev->work_thread)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) 	queue_work(dev->work_thread, &dev->work_struct);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 387) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 388) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 389) /* Table of supported USB devices */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390) static const struct usb_device_id device_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391) 	{USB_DEVICE(0x2770, 0x9120)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) 	{}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) MODULE_DEVICE_TABLE(usb, device_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) /* sub-driver description */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398) static const struct sd_desc sd_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) 	.name   = MODULE_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) 	.config = sd_config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) 	.init   = sd_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) 	.start  = sd_start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) 	.stop0  = sd_stop0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) /* -- device connect -- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) static int sd_probe(struct usb_interface *intf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) 		const struct usb_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) 	return gspca_dev_probe(intf, id,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) 			&sd_desc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) 			sizeof(struct sd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) 			THIS_MODULE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) static struct usb_driver sd_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) 	.name       = MODULE_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) 	.id_table   = device_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) 	.probe      = sd_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) 	.disconnect = gspca_disconnect,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) 	.suspend = gspca_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) 	.resume  = gspca_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) 	.reset_resume = gspca_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428) module_usb_driver(sd_driver);