^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) * Jeilin JL2005B/C/D library
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) * Copyright (C) 2011 Theodore Kilgore <kilgota@auburn.edu>
^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 MODULE_NAME "jl2005bcd"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/workqueue.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/slab.h>
^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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) MODULE_AUTHOR("Theodore Kilgore <kilgota@auburn.edu>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) MODULE_DESCRIPTION("JL2005B/C/D USB Camera Driver");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) MODULE_LICENSE("GPL");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) /* Default timeouts, in ms */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) #define JL2005C_CMD_TIMEOUT 500
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) #define JL2005C_DATA_TIMEOUT 1000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) /* Maximum transfer size to use. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) #define JL2005C_MAX_TRANSFER 0x200
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) #define FRAME_HEADER_LEN 16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) /* specific webcam descriptor */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) struct sd {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) struct gspca_dev gspca_dev; /* !! must be the first item */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) unsigned char firmware_id[6];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) const struct v4l2_pix_format *cap_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) /* Driver stuff */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) struct work_struct work_struct;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) u8 frame_brightness;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) int block_size; /* block size of camera */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) int vga; /* 1 if vga cam, 0 if cif cam */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) /* Camera has two resolution settings. What they are depends on model. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) static const struct v4l2_pix_format cif_mode[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) {176, 144, V4L2_PIX_FMT_JL2005BCD, V4L2_FIELD_NONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) .bytesperline = 176,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) .sizeimage = 176 * 144,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) .colorspace = V4L2_COLORSPACE_SRGB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) .priv = 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) {352, 288, V4L2_PIX_FMT_JL2005BCD, V4L2_FIELD_NONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) .bytesperline = 352,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) .sizeimage = 352 * 288,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) .colorspace = V4L2_COLORSPACE_SRGB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) .priv = 0},
^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) static const struct v4l2_pix_format vga_mode[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) {320, 240, V4L2_PIX_FMT_JL2005BCD, V4L2_FIELD_NONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) .bytesperline = 320,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) .sizeimage = 320 * 240,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) .colorspace = V4L2_COLORSPACE_SRGB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) .priv = 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) {640, 480, V4L2_PIX_FMT_JL2005BCD, V4L2_FIELD_NONE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) .bytesperline = 640,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) .sizeimage = 640 * 480,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) .colorspace = V4L2_COLORSPACE_SRGB,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) .priv = 0},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) * cam uses endpoint 0x03 to send commands, 0x84 for read commands,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) * and 0x82 for bulk data transfer.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) /* All commands are two bytes only */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) static int jl2005c_write2(struct gspca_dev *gspca_dev, unsigned char *command)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) int retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) memcpy(gspca_dev->usb_buf, command, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) retval = usb_bulk_msg(gspca_dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) usb_sndbulkpipe(gspca_dev->dev, 3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) gspca_dev->usb_buf, 2, NULL, 500);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82) if (retval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) pr_err("command write [%02x] error %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) gspca_dev->usb_buf[0], retval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88) /* Response to a command is one byte in usb_buf[0], only if requested. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) static int jl2005c_read1(struct gspca_dev *gspca_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91) int retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) retval = usb_bulk_msg(gspca_dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) usb_rcvbulkpipe(gspca_dev->dev, 0x84),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) gspca_dev->usb_buf, 1, NULL, 500);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96) if (retval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97) pr_err("read command [0x%02x] error %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) gspca_dev->usb_buf[0], retval);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) /* Response appears in gspca_dev->usb_buf[0] */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) static int jl2005c_read_reg(struct gspca_dev *gspca_dev, unsigned char reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) int retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) static u8 instruction[2] = {0x95, 0x00};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) /* put register to read in byte 1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) instruction[1] = reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) /* Send the read request */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) retval = jl2005c_write2(gspca_dev, instruction);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) if (retval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) retval = jl2005c_read1(gspca_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) static int jl2005c_start_new_frame(struct gspca_dev *gspca_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) int retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) int frame_brightness = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) static u8 instruction[2] = {0x7f, 0x01};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) retval = jl2005c_write2(gspca_dev, instruction);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) if (retval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) while (i < 20 && !frame_brightness) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) /* If we tried 20 times, give up. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) retval = jl2005c_read_reg(gspca_dev, 0x7e);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) if (retval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) frame_brightness = gspca_dev->usb_buf[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) retval = jl2005c_read_reg(gspca_dev, 0x7d);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) if (retval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) i++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) gspca_dbg(gspca_dev, D_FRAM, "frame_brightness is 0x%02x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) gspca_dev->usb_buf[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) static int jl2005c_write_reg(struct gspca_dev *gspca_dev, unsigned char reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) unsigned char value)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) int retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) u8 instruction[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) instruction[0] = reg;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) instruction[1] = value;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) retval = jl2005c_write2(gspca_dev, instruction);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) if (retval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) static int jl2005c_get_firmware_id(struct gspca_dev *gspca_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) struct sd *sd = (struct sd *)gspca_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) int i = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) int retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) unsigned char regs_to_read[] = {0x57, 0x02, 0x03, 0x5d, 0x5e, 0x5f};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) gspca_dbg(gspca_dev, D_PROBE, "Running jl2005c_get_firmware_id\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) /* Read the first ID byte once for warmup */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) retval = jl2005c_read_reg(gspca_dev, regs_to_read[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) gspca_dbg(gspca_dev, D_PROBE, "response is %02x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) gspca_dev->usb_buf[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) if (retval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) /* Now actually get the ID string */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) for (i = 0; i < 6; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) retval = jl2005c_read_reg(gspca_dev, regs_to_read[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) if (retval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) sd->firmware_id[i] = gspca_dev->usb_buf[0];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) gspca_dbg(gspca_dev, D_PROBE, "firmware ID is %02x%02x%02x%02x%02x%02x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) sd->firmware_id[0],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) sd->firmware_id[1],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) sd->firmware_id[2],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) sd->firmware_id[3],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) sd->firmware_id[4],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) sd->firmware_id[5]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) static int jl2005c_stream_start_vga_lg
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) (struct gspca_dev *gspca_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) int retval = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) static u8 instruction[][2] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) {0x05, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) {0x7c, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) {0x7d, 0x18},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) {0x02, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) {0x01, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) {0x04, 0x52},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) for (i = 0; i < ARRAY_SIZE(instruction); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) msleep(60);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) retval = jl2005c_write2(gspca_dev, instruction[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) if (retval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) msleep(60);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) static int jl2005c_stream_start_vga_small(struct gspca_dev *gspca_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) int retval = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) static u8 instruction[][2] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) {0x06, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) {0x7c, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) {0x7d, 0x1a},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) {0x02, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) {0x01, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) {0x04, 0x52},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) for (i = 0; i < ARRAY_SIZE(instruction); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) msleep(60);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) retval = jl2005c_write2(gspca_dev, instruction[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) if (retval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) msleep(60);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) static int jl2005c_stream_start_cif_lg(struct gspca_dev *gspca_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) int retval = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) static u8 instruction[][2] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) {0x05, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) {0x7c, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) {0x7d, 0x30},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) {0x02, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) {0x01, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) {0x04, 0x42},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) for (i = 0; i < ARRAY_SIZE(instruction); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) msleep(60);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) retval = jl2005c_write2(gspca_dev, instruction[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) if (retval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) msleep(60);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) static int jl2005c_stream_start_cif_small(struct gspca_dev *gspca_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) int retval = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) static u8 instruction[][2] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) {0x06, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) {0x7c, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) {0x7d, 0x32},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) {0x02, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) {0x01, 0x00},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) {0x04, 0x42},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) for (i = 0; i < ARRAY_SIZE(instruction); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) msleep(60);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) retval = jl2005c_write2(gspca_dev, instruction[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) if (retval < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) msleep(60);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) return retval;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) static int jl2005c_stop(struct gspca_dev *gspca_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) return jl2005c_write_reg(gspca_dev, 0x07, 0x00);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) * This function is called as a workqueue function and runs whenever the camera
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) * is streaming data. Because it is a workqueue function it is allowed to sleep
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) * so we can use synchronous USB calls. To avoid possible collisions with other
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) * threads attempting to use gspca_dev->usb_buf we take the usb_lock when
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 299) * performing USB operations using it. In practice we don't really need this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 300) * as the camera doesn't provide any controls.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 301) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 302) static void jl2005c_dostream(struct work_struct *work)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 303) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 304) struct sd *dev = container_of(work, struct sd, work_struct);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 305) struct gspca_dev *gspca_dev = &dev->gspca_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 306) int bytes_left = 0; /* bytes remaining in current frame. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 307) int data_len; /* size to use for the next read. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 308) int header_read = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 309) unsigned char header_sig[2] = {0x4a, 0x4c};
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 310) int act_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 311) int packet_type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 312) int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 313) u8 *buffer;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 314)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 315) buffer = kmalloc(JL2005C_MAX_TRANSFER, GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 316) if (!buffer) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 317) pr_err("Couldn't allocate USB buffer\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 318) goto quit_stream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 319) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 320)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 321) while (gspca_dev->present && gspca_dev->streaming) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 322) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 323) if (gspca_dev->frozen)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 324) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 325) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 326) /* Check if this is a new frame. If so, start the frame first */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 327) if (!header_read) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 328) mutex_lock(&gspca_dev->usb_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 329) ret = jl2005c_start_new_frame(gspca_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 330) mutex_unlock(&gspca_dev->usb_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 331) if (ret < 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 332) goto quit_stream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 333) ret = usb_bulk_msg(gspca_dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 334) usb_rcvbulkpipe(gspca_dev->dev, 0x82),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 335) buffer, JL2005C_MAX_TRANSFER, &act_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 336) JL2005C_DATA_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 337) gspca_dbg(gspca_dev, D_PACK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 338) "Got %d bytes out of %d for header\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 339) act_len, JL2005C_MAX_TRANSFER);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 340) if (ret < 0 || act_len < JL2005C_MAX_TRANSFER)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 341) goto quit_stream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 342) /* Check whether we actually got the first blodk */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 343) if (memcmp(header_sig, buffer, 2) != 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 344) pr_err("First block is not the first block\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 345) goto quit_stream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 346) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 347) /* total size to fetch is byte 7, times blocksize
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 348) * of which we already got act_len */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 349) bytes_left = buffer[0x07] * dev->block_size - act_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 350) gspca_dbg(gspca_dev, D_PACK, "bytes_left = 0x%x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 351) bytes_left);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 352) /* We keep the header. It has other information, too.*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 353) packet_type = FIRST_PACKET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 354) gspca_frame_add(gspca_dev, packet_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 355) buffer, act_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 356) header_read = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 357) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 358) while (bytes_left > 0 && gspca_dev->present) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 359) data_len = bytes_left > JL2005C_MAX_TRANSFER ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 360) JL2005C_MAX_TRANSFER : bytes_left;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 361) ret = usb_bulk_msg(gspca_dev->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 362) usb_rcvbulkpipe(gspca_dev->dev, 0x82),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 363) buffer, data_len, &act_len,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 364) JL2005C_DATA_TIMEOUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 365) if (ret < 0 || act_len < data_len)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 366) goto quit_stream;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 367) gspca_dbg(gspca_dev, D_PACK,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 368) "Got %d bytes out of %d for frame\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 369) data_len, bytes_left);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 370) bytes_left -= data_len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 371) if (bytes_left == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 372) packet_type = LAST_PACKET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 373) header_read = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 374) } else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 375) packet_type = INTER_PACKET;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 376) gspca_frame_add(gspca_dev, packet_type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 377) buffer, data_len);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 378) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 379) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 380) quit_stream:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 381) if (gspca_dev->present) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 382) mutex_lock(&gspca_dev->usb_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 383) jl2005c_stop(gspca_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 384) mutex_unlock(&gspca_dev->usb_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 385) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 386) kfree(buffer);
^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)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 390)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 391)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 392) /* This function is called at probe time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 393) static int sd_config(struct gspca_dev *gspca_dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 394) const struct usb_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 395) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 396) struct cam *cam;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 397) struct sd *sd = (struct sd *) gspca_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 398)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 399) cam = &gspca_dev->cam;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 400) /* We don't use the buffer gspca allocates so make it small. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 401) cam->bulk_size = 64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 402) cam->bulk = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 403) /* For the rest, the camera needs to be detected */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 404) jl2005c_get_firmware_id(gspca_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 405) /* Here are some known firmware IDs
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 406) * First some JL2005B cameras
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 407) * {0x41, 0x07, 0x04, 0x2c, 0xe8, 0xf2} Sakar KidzCam
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 408) * {0x45, 0x02, 0x08, 0xb9, 0x00, 0xd2} No-name JL2005B
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 409) * JL2005C cameras
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 410) * {0x01, 0x0c, 0x16, 0x10, 0xf8, 0xc8} Argus DC-1512
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 411) * {0x12, 0x04, 0x03, 0xc0, 0x00, 0xd8} ICarly
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 412) * {0x86, 0x08, 0x05, 0x02, 0x00, 0xd4} Jazz
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 413) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 414) * Based upon this scanty evidence, we can detect a CIF camera by
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 415) * testing byte 0 for 0x4x.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 416) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 417) if ((sd->firmware_id[0] & 0xf0) == 0x40) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 418) cam->cam_mode = cif_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 419) cam->nmodes = ARRAY_SIZE(cif_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 420) sd->block_size = 0x80;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 421) } else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 422) cam->cam_mode = vga_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 423) cam->nmodes = ARRAY_SIZE(vga_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 424) sd->block_size = 0x200;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 425) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 426)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 427) INIT_WORK(&sd->work_struct, jl2005c_dostream);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 428)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 429) return 0;
^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) /* this function is called at probe and resume time */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 433) static int sd_init(struct gspca_dev *gspca_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 434) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 435) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 436) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 437)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 438) static int sd_start(struct gspca_dev *gspca_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 439) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 440)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 441) struct sd *sd = (struct sd *) gspca_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 442) sd->cap_mode = gspca_dev->cam.cam_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 443)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 444) switch (gspca_dev->pixfmt.width) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 445) case 640:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 446) gspca_dbg(gspca_dev, D_STREAM, "Start streaming at vga resolution\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 447) jl2005c_stream_start_vga_lg(gspca_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 448) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 449) case 320:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 450) gspca_dbg(gspca_dev, D_STREAM, "Start streaming at qvga resolution\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 451) jl2005c_stream_start_vga_small(gspca_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 452) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 453) case 352:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 454) gspca_dbg(gspca_dev, D_STREAM, "Start streaming at cif resolution\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 455) jl2005c_stream_start_cif_lg(gspca_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 456) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 457) case 176:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 458) gspca_dbg(gspca_dev, D_STREAM, "Start streaming at qcif resolution\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 459) jl2005c_stream_start_cif_small(gspca_dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 460) break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 461) default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 462) pr_err("Unknown resolution specified\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 463) return -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 464) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 465)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 466) schedule_work(&sd->work_struct);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 467)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 468) return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 469) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 470)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 471) /* called on streamoff with alt==0 and on disconnect */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 472) /* the usb_lock is held at entry - restore on exit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 473) static void sd_stop0(struct gspca_dev *gspca_dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 474) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 475) struct sd *dev = (struct sd *) gspca_dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 476)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 477) /* wait for the work queue to terminate */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 478) mutex_unlock(&gspca_dev->usb_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 479) /* This waits for sq905c_dostream to finish */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 480) flush_work(&dev->work_struct);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 481) mutex_lock(&gspca_dev->usb_lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 482) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 483)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 484)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 485)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 486) /* sub-driver description */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 487) static const struct sd_desc sd_desc = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 488) .name = MODULE_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 489) .config = sd_config,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 490) .init = sd_init,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 491) .start = sd_start,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 492) .stop0 = sd_stop0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 493) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 494)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 495) /* -- module initialisation -- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 496) static const struct usb_device_id device_table[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 497) {USB_DEVICE(0x0979, 0x0227)},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 498) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 499) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 500) MODULE_DEVICE_TABLE(usb, device_table);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 501)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 502) /* -- device connect -- */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 503) static int sd_probe(struct usb_interface *intf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 504) const struct usb_device_id *id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 505) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 506) return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 507) THIS_MODULE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 508) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 509)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 510) static struct usb_driver sd_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 511) .name = MODULE_NAME,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 512) .id_table = device_table,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 513) .probe = sd_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 514) .disconnect = gspca_disconnect,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 515) #ifdef CONFIG_PM
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 516) .suspend = gspca_suspend,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 517) .resume = gspca_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 518) .reset_resume = gspca_resume,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 519) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 520) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 521)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 522) module_usb_driver(sd_driver);
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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