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)  * Benq DC E300 subdriver
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  * Copyright (C) 2009 Jean-Francois Moine (http://moinejf.free.fr)
^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) #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #define MODULE_NAME "benq"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include "gspca.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) MODULE_AUTHOR("Jean-Francois Moine <http://moinejf.free.fr>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) MODULE_DESCRIPTION("Benq DC E300 USB Camera Driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) /* specific webcam descriptor */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) struct sd {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) 	struct gspca_dev gspca_dev;	/* !! must be the first item */
^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) static const struct v4l2_pix_format vga_mode[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 	{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 		.bytesperline = 320,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 		.sizeimage = 320 * 240 * 3 / 8 + 590,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 		.colorspace = V4L2_COLORSPACE_JPEG},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) static void sd_isoc_irq(struct urb *urb);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) /* -- write a register -- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) static void reg_w(struct gspca_dev *gspca_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 			u16 value, u16 index)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	struct usb_device *dev = gspca_dev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	if (gspca_dev->usb_err < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 	ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 			0x02,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 			value,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 			index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 			NULL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 			0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 			500);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 		pr_err("reg_w err %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 		gspca_dev->usb_err = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) /* this function is called at probe time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) static int sd_config(struct gspca_dev *gspca_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 			const struct usb_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	gspca_dev->cam.cam_mode = vga_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 	gspca_dev->cam.nmodes = ARRAY_SIZE(vga_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 	gspca_dev->cam.no_urb_create = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) /* this function is called at probe and resume time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) static int sd_init(struct gspca_dev *gspca_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	return 0;
^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) /* -- start the camera -- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) static int sd_start(struct gspca_dev *gspca_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	struct urb *urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	int i, n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	/* create 4 URBs - 2 on endpoint 0x83 and 2 on 0x082 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) #if MAX_NURBS < 4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) #error "Not enough URBs in the gspca table"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) #define SD_PKT_SZ 64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) #define SD_NPKT 32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	for (n = 0; n < 4; n++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 		urb = usb_alloc_urb(SD_NPKT, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 		if (!urb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 			return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 		gspca_dev->urb[n] = urb;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 		urb->transfer_buffer = usb_alloc_coherent(gspca_dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 						SD_PKT_SZ * SD_NPKT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 						GFP_KERNEL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 						&urb->transfer_dma);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 		if (urb->transfer_buffer == NULL) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 			pr_err("usb_alloc_coherent failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 			return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 		urb->dev = gspca_dev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 		urb->context = gspca_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 		urb->transfer_buffer_length = SD_PKT_SZ * SD_NPKT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 		urb->pipe = usb_rcvisocpipe(gspca_dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 					n & 1 ? 0x82 : 0x83);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 		urb->transfer_flags = URB_ISO_ASAP
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 					| URB_NO_TRANSFER_DMA_MAP;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 		urb->interval = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 		urb->complete = sd_isoc_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 		urb->number_of_packets = SD_NPKT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 		for (i = 0; i < SD_NPKT; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 			urb->iso_frame_desc[i].length = SD_PKT_SZ;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 			urb->iso_frame_desc[i].offset = SD_PKT_SZ * i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	return gspca_dev->usb_err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) static void sd_stopN(struct gspca_dev *gspca_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	struct usb_interface *intf;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	reg_w(gspca_dev, 0x003c, 0x0003);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	reg_w(gspca_dev, 0x003c, 0x0004);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	reg_w(gspca_dev, 0x003c, 0x0005);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	reg_w(gspca_dev, 0x003c, 0x0006);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	reg_w(gspca_dev, 0x003c, 0x0007);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	intf = usb_ifnum_to_if(gspca_dev->dev, gspca_dev->iface);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	usb_set_interface(gspca_dev->dev, gspca_dev->iface,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 					intf->num_altsetting - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) static void sd_pkt_scan(struct gspca_dev *gspca_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 			u8 *data,		/* isoc packet */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 			int len)		/* iso packet length */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	/* unused */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) /* reception of an URB */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) static void sd_isoc_irq(struct urb *urb)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	struct gspca_dev *gspca_dev = (struct gspca_dev *) urb->context;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	struct urb *urb0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	u8 *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	int i, st;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	gspca_dbg(gspca_dev, D_PACK, "sd isoc irq\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	if (!gspca_dev->streaming)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	if (urb->status != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 		if (urb->status == -ESHUTDOWN)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 			return;		/* disconnection */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 		if (gspca_dev->frozen)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 			return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 		pr_err("urb status: %d\n", urb->status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 		return;
^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) 	/* if this is a control URN (ep 0x83), wait */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	if (urb == gspca_dev->urb[0] || urb == gspca_dev->urb[2])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	/* scan both received URBs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	if (urb == gspca_dev->urb[1])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 		urb0 = gspca_dev->urb[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 		urb0 = gspca_dev->urb[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	for (i = 0; i < urb->number_of_packets; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 		/* check the packet status and length */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 		if (urb0->iso_frame_desc[i].actual_length != SD_PKT_SZ
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 		    || urb->iso_frame_desc[i].actual_length != SD_PKT_SZ) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 			gspca_err(gspca_dev, "ISOC bad lengths %d / %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 				  urb0->iso_frame_desc[i].actual_length,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 				  urb->iso_frame_desc[i].actual_length);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 			gspca_dev->last_packet_type = DISCARD_PACKET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 		st = urb0->iso_frame_desc[i].status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 		if (st == 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 			st = urb->iso_frame_desc[i].status;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 		if (st) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 			pr_err("ISOC data error: [%d] status=%d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 				i, st);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 			gspca_dev->last_packet_type = DISCARD_PACKET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 			continue;
^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) 		 * The images are received in URBs of different endpoints
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 		 * (0x83 and 0x82).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 		 * Image pieces in URBs of ep 0x83 are continuated in URBs of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 		 * ep 0x82 of the same index.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 		 * The packets in the URBs of endpoint 0x83 start with:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 		 *	- 80 ba/bb 00 00 = start of image followed by 'ff d8'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 		 *	- 04 ba/bb oo oo = image piece
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 		 *		where 'oo oo' is the image offset
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 						(not checked)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 		 *	- (other -> bad frame)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 		 * The images are JPEG encoded with full header and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 		 * normal ff escape.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 		 * The end of image ('ff d9') may occur in any URB.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 		 * (not checked)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 		data = (u8 *) urb0->transfer_buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 					+ urb0->iso_frame_desc[i].offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 		if (data[0] == 0x80 && (data[1] & 0xfe) == 0xba) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 			/* new image */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 			gspca_frame_add(gspca_dev, LAST_PACKET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 					NULL, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 			gspca_frame_add(gspca_dev, FIRST_PACKET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 					data + 4, SD_PKT_SZ - 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 		} else if (data[0] == 0x04 && (data[1] & 0xfe) == 0xba) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 			gspca_frame_add(gspca_dev, INTER_PACKET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 					data + 4, SD_PKT_SZ - 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 			gspca_dev->last_packet_type = DISCARD_PACKET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 		data = (u8 *) urb->transfer_buffer
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 					+ urb->iso_frame_desc[i].offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 		gspca_frame_add(gspca_dev, INTER_PACKET,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 				data, SD_PKT_SZ);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	/* resubmit the URBs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	st = usb_submit_urb(urb0, GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	if (st < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 		pr_err("usb_submit_urb(0) ret %d\n", st);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	st = usb_submit_urb(urb, GFP_ATOMIC);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	if (st < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 		pr_err("usb_submit_urb() ret %d\n", st);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) /* sub-driver description */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) static const struct sd_desc sd_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	.name = MODULE_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	.config = sd_config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 	.init = sd_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 	.start = sd_start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	.stopN = sd_stopN,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	.pkt_scan = sd_pkt_scan,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) /* -- module initialisation -- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) static const struct usb_device_id device_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 	{USB_DEVICE(0x04a5, 0x3035)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	{}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) MODULE_DEVICE_TABLE(usb, device_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) /* -- device connect -- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) static int sd_probe(struct usb_interface *intf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 			const struct usb_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) 	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 				THIS_MODULE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) static struct usb_driver sd_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 	.name = MODULE_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	.id_table = device_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	.probe = sd_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 	.disconnect = gspca_disconnect,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 	.suspend = gspca_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	.resume = gspca_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	.reset_resume = gspca_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) module_usb_driver(sd_driver);