diff options
Diffstat (limited to 'drivers/media/usb/gspca/touptek.c')
| -rw-r--r-- | drivers/media/usb/gspca/touptek.c | 727 |
1 files changed, 727 insertions, 0 deletions
diff --git a/drivers/media/usb/gspca/touptek.c b/drivers/media/usb/gspca/touptek.c new file mode 100644 index 000000000..dde311c25 --- /dev/null +++ b/drivers/media/usb/gspca/touptek.c @@ -0,0 +1,727 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * ToupTek UCMOS / AmScope MU series camera driver + * TODO: contrast with ScopeTek / AmScope MDC cameras + * + * Copyright (C) 2012-2014 John McMaster <JohnDMcMaster@gmail.com> + * + * Special thanks to Bushing for helping with the decrypt algorithm and + * Sean O'Sullivan / the Rensselaer Center for Open Source + * Software (RCOS) for helping me learn kernel development + */ + +#include "gspca.h" + +#define MODULE_NAME "touptek" + +MODULE_AUTHOR("John McMaster"); +MODULE_DESCRIPTION("ToupTek UCMOS / Amscope MU microscope camera driver"); +MODULE_LICENSE("GPL"); + +/* + * Exposure reg is linear with exposure time + * Exposure (sec), E (reg) + * 0.000400, 0x0002 + * 0.001000, 0x0005 + * 0.005000, 0x0019 + * 0.020000, 0x0064 + * 0.080000, 0x0190 + * 0.400000, 0x07D0 + * 1.000000, 0x1388 + * 2.000000, 0x2710 + * + * Three gain stages + * 0x1000: master channel enable bit + * 0x007F: low gain bits + * 0x0080: medium gain bit + * 0x0100: high gain bit + * gain = enable * (1 + regH) * (1 + regM) * z * regL + * + * Gain implementation + * Want to do something similar to mt9v011.c's set_balance + * + * Gain does not vary with resolution (checked 640x480 vs 1600x1200) + * + * Constant derivation: + * + * Raw data: + * Gain, GTOP, B, R, GBOT + * 1.00, 0x105C, 0x1068, 0x10C8, 0x105C + * 1.20, 0x106E, 0x107E, 0x10D6, 0x106E + * 1.40, 0x10C0, 0x10CA, 0x10E5, 0x10C0 + * 1.60, 0x10C9, 0x10D4, 0x10F3, 0x10C9 + * 1.80, 0x10D2, 0x10DE, 0x11C1, 0x10D2 + * 2.00, 0x10DC, 0x10E9, 0x11C8, 0x10DC + * 2.20, 0x10E5, 0x10F3, 0x11CF, 0x10E5 + * 2.40, 0x10EE, 0x10FE, 0x11D7, 0x10EE + * 2.60, 0x10F7, 0x11C4, 0x11DE, 0x10F7 + * 2.80, 0x11C0, 0x11CA, 0x11E5, 0x11C0 + * 3.00, 0x11C5, 0x11CF, 0x11ED, 0x11C5 + * + * zR = 0.0069605943152454778 + * about 3/431 = 0.0069605568445475635 + * zB = 0.0095695970695970703 + * about 6/627 = 0.0095693779904306216 + * zG = 0.010889328063241107 + * about 6/551 = 0.010889292196007259 + * about 10 bits for constant + 7 bits for value => at least 17 bit + * intermediate with 32 bit ints should be fine for overflow etc + * Essentially gains are in range 0-0x001FF + * + * However, V4L expects a main gain channel + R and B balance + * To keep things simple for now saturate the values of balance is too high/low + * This isn't really ideal but easy way to fit the Linux model + * + * Converted using gain model turns out to be quite linear: + * Gain, GTOP, B, R, GBOT + * 1.00, 92, 104, 144, 92 + * 1.20, 110, 126, 172, 110 + * 1.40, 128, 148, 202, 128 + * 1.60, 146, 168, 230, 146 + * 1.80, 164, 188, 260, 164 + * 2.00, 184, 210, 288, 184 + * 2.20, 202, 230, 316, 202 + * 2.40, 220, 252, 348, 220 + * 2.60, 238, 272, 376, 238 + * 2.80, 256, 296, 404, 256 + * 3.00, 276, 316, 436, 276 + * + * Maximum gain is 0x7FF * 2 * 2 => 0x1FFC (8188) + * or about 13 effective bits of gain + * The highest the commercial driver goes in my setup 436 + * However, because could *maybe* damage circuits + * limit the gain until have a reason to go higher + * Solution: gain clipped and warning emitted + */ +#define GAIN_MAX 511 + +/* Frame sync is a short read */ +#define BULK_SIZE 0x4000 + +/* MT9E001 reg names to give a rough approximation */ +#define REG_COARSE_INTEGRATION_TIME_ 0x3012 +#define REG_GROUPED_PARAMETER_HOLD_ 0x3022 +#define REG_MODE_SELECT 0x0100 +#define REG_OP_SYS_CLK_DIV 0x030A +#define REG_VT_SYS_CLK_DIV 0x0302 +#define REG_PRE_PLL_CLK_DIV 0x0304 +#define REG_VT_PIX_CLK_DIV 0x0300 +#define REG_OP_PIX_CLK_DIV 0x0308 +#define REG_PLL_MULTIPLIER 0x0306 +#define REG_COARSE_INTEGRATION_TIME_ 0x3012 +#define REG_FRAME_LENGTH_LINES 0x0340 +#define REG_FRAME_LENGTH_LINES_ 0x300A +#define REG_GREEN1_GAIN 0x3056 +#define REG_GREEN2_GAIN 0x305C +#define REG_GROUPED_PARAMETER_HOLD 0x0104 +#define REG_LINE_LENGTH_PCK_ 0x300C +#define REG_MODE_SELECT 0x0100 +#define REG_PLL_MULTIPLIER 0x0306 +#define REG_READ_MODE 0x3040 +#define REG_BLUE_GAIN 0x3058 +#define REG_RED_GAIN 0x305A +#define REG_RESET_REGISTER 0x301A +#define REG_SCALE_M 0x0404 +#define REG_SCALING_MODE 0x0400 +#define REG_SOFTWARE_RESET 0x0103 +#define REG_X_ADDR_END 0x0348 +#define REG_X_ADDR_START 0x0344 +#define REG_X_ADDR_START 0x0344 +#define REG_X_OUTPUT_SIZE 0x034C +#define REG_Y_ADDR_END 0x034A +#define REG_Y_ADDR_START 0x0346 +#define REG_Y_OUTPUT_SIZE 0x034E + + +/* specific webcam descriptor */ +struct sd { + struct gspca_dev gspca_dev; /* !! must be the first item */ + /* How many bytes this frame */ + unsigned int this_f; + + /* + Device has separate gains for each Bayer quadrant + V4L supports master gain which is referenced to G1/G2 and supplies + individual balance controls for R/B + */ + struct v4l2_ctrl *blue; + struct v4l2_ctrl *red; +}; + +/* Used to simplify reg write error handling */ +struct cmd { + u16 value; + u16 index; +}; + +static const struct v4l2_pix_format vga_mode[] = { + {800, 600, + V4L2_PIX_FMT_SGRBG8, + V4L2_FIELD_NONE, + .bytesperline = 800, + .sizeimage = 800 * 600, + .colorspace = V4L2_COLORSPACE_SRGB}, + {1600, 1200, + V4L2_PIX_FMT_SGRBG8, + V4L2_FIELD_NONE, + .bytesperline = 1600, + .sizeimage = 1600 * 1200, + .colorspace = V4L2_COLORSPACE_SRGB}, + {3264, 2448, + V4L2_PIX_FMT_SGRBG8, + V4L2_FIELD_NONE, + .bytesperline = 3264, + .sizeimage = 3264 * 2448, + .colorspace = V4L2_COLORSPACE_SRGB}, +}; + +/* + * As there's no known frame sync, the only way to keep synced is to try hard + * to never miss any packets + */ +#if MAX_NURBS < 4 +#error "Not enough URBs in the gspca table" +#endif + +static int val_reply(struct gspca_dev *gspca_dev, const char *reply, int rc) +{ + if (rc < 0) { + gspca_err(gspca_dev, "reply has error %d\n", rc); + return -EIO; + } + if (rc != 1) { + gspca_err(gspca_dev, "Bad reply size %d\n", rc); + return -EIO; + } + if (reply[0] != 0x08) { + gspca_err(gspca_dev, "Bad reply 0x%02x\n", (int)reply[0]); + return -EIO; + } + return 0; +} + +static void reg_w(struct gspca_dev *gspca_dev, u16 value, u16 index) +{ + char *buff = gspca_dev->usb_buf; + int rc; + + gspca_dbg(gspca_dev, D_USBO, + "reg_w bReq=0x0B, bReqT=0xC0, wVal=0x%04X, wInd=0x%04X\n\n", + value, index); + rc = usb_control_msg(gspca_dev->dev, usb_rcvctrlpipe(gspca_dev->dev, 0), + 0x0B, 0xC0, value, index, buff, 1, 500); + gspca_dbg(gspca_dev, D_USBO, "rc=%d, ret={0x%02x}\n", rc, (int)buff[0]); + if (rc < 0) { + gspca_err(gspca_dev, "Failed reg_w(0x0B, 0xC0, 0x%04X, 0x%04X) w/ rc %d\n", + value, index, rc); + gspca_dev->usb_err = rc; + return; + } + if (val_reply(gspca_dev, buff, rc)) { + gspca_err(gspca_dev, "Bad reply to reg_w(0x0B, 0xC0, 0x%04X, 0x%04X\n", + value, index); + gspca_dev->usb_err = -EIO; + } +} + +static void reg_w_buf(struct gspca_dev *gspca_dev, + const struct cmd *p, int l) +{ + do { + reg_w(gspca_dev, p->value, p->index); + p++; + } while (--l > 0); +} + +static void setexposure(struct gspca_dev *gspca_dev, s32 val) +{ + u16 value; + unsigned int w = gspca_dev->pixfmt.width; + + if (w == 800) + value = val * 5; + else if (w == 1600) + value = val * 3; + else if (w == 3264) + value = val * 3 / 2; + else { + gspca_err(gspca_dev, "Invalid width %u\n", w); + gspca_dev->usb_err = -EINVAL; + return; + } + gspca_dbg(gspca_dev, D_STREAM, "exposure: 0x%04X ms\n\n", value); + /* Wonder if there's a good reason for sending it twice */ + /* probably not but leave it in because...why not */ + reg_w(gspca_dev, value, REG_COARSE_INTEGRATION_TIME_); + reg_w(gspca_dev, value, REG_COARSE_INTEGRATION_TIME_); +} + +static int gainify(int in) +{ + /* + * TODO: check if there are any issues with corner cases + * 0x000 (0):0x07F (127): regL + * 0x080 (128) - 0x0FF (255): regM, regL + * 0x100 (256) - max: regH, regM, regL + */ + if (in <= 0x7F) + return 0x1000 | in; + else if (in <= 0xFF) + return 0x1080 | in / 2; + else + return 0x1180 | in / 4; +} + +static void setggain(struct gspca_dev *gspca_dev, u16 global_gain) +{ + u16 normalized; + + normalized = gainify(global_gain); + gspca_dbg(gspca_dev, D_STREAM, "gain G1/G2 (0x%04X): 0x%04X (src 0x%04X)\n\n", + REG_GREEN1_GAIN, + normalized, global_gain); + + reg_w(gspca_dev, normalized, REG_GREEN1_GAIN); + reg_w(gspca_dev, normalized, REG_GREEN2_GAIN); +} + +static void setbgain(struct gspca_dev *gspca_dev, + u16 gain, u16 global_gain) +{ + u16 normalized; + + normalized = global_gain + + ((u32)global_gain) * gain / GAIN_MAX; + if (normalized > GAIN_MAX) { + gspca_dbg(gspca_dev, D_STREAM, "Truncating blue 0x%04X w/ value 0x%04X\n\n", + GAIN_MAX, normalized); + normalized = GAIN_MAX; + } + normalized = gainify(normalized); + gspca_dbg(gspca_dev, D_STREAM, "gain B (0x%04X): 0x%04X w/ source 0x%04X\n\n", + REG_BLUE_GAIN, normalized, gain); + + reg_w(gspca_dev, normalized, REG_BLUE_GAIN); +} + +static void setrgain(struct gspca_dev *gspca_dev, + u16 gain, u16 global_gain) +{ + u16 normalized; + + normalized = global_gain + + ((u32)global_gain) * gain / GAIN_MAX; + if (normalized > GAIN_MAX) { + gspca_dbg(gspca_dev, D_STREAM, "Truncating gain 0x%04X w/ value 0x%04X\n\n", + GAIN_MAX, normalized); + normalized = GAIN_MAX; + } + normalized = gainify(normalized); + gspca_dbg(gspca_dev, D_STREAM, "gain R (0x%04X): 0x%04X w / source 0x%04X\n\n", + REG_RED_GAIN, normalized, gain); + + reg_w(gspca_dev, normalized, REG_RED_GAIN); +} + +static void configure_wh(struct gspca_dev *gspca_dev) +{ + unsigned int w = gspca_dev->pixfmt.width; + + gspca_dbg(gspca_dev, D_STREAM, "configure_wh\n\n"); + + if (w == 800) { + static const struct cmd reg_init_res[] = { + {0x0060, REG_X_ADDR_START}, + {0x0CD9, REG_X_ADDR_END}, + {0x0036, REG_Y_ADDR_START}, + {0x098F, REG_Y_ADDR_END}, + {0x07C7, REG_READ_MODE}, + }; + + reg_w_buf(gspca_dev, + reg_init_res, ARRAY_SIZE(reg_init_res)); + } else if (w == 1600) { + static const struct cmd reg_init_res[] = { + {0x009C, REG_X_ADDR_START}, + {0x0D19, REG_X_ADDR_END}, + {0x0068, REG_Y_ADDR_START}, + {0x09C5, REG_Y_ADDR_END}, + {0x06C3, REG_READ_MODE}, + }; + + reg_w_buf(gspca_dev, + reg_init_res, ARRAY_SIZE(reg_init_res)); + } else if (w == 3264) { + static const struct cmd reg_init_res[] = { + {0x00E8, REG_X_ADDR_START}, + {0x0DA7, REG_X_ADDR_END}, + {0x009E, REG_Y_ADDR_START}, + {0x0A2D, REG_Y_ADDR_END}, + {0x0241, REG_READ_MODE}, + }; + + reg_w_buf(gspca_dev, + reg_init_res, ARRAY_SIZE(reg_init_res)); + } else { + gspca_err(gspca_dev, "bad width %u\n", w); + gspca_dev->usb_err = -EINVAL; + return; + } + + reg_w(gspca_dev, 0x0000, REG_SCALING_MODE); + reg_w(gspca_dev, 0x0010, REG_SCALE_M); + reg_w(gspca_dev, w, REG_X_OUTPUT_SIZE); + reg_w(gspca_dev, gspca_dev->pixfmt.height, REG_Y_OUTPUT_SIZE); + + if (w == 800) { + reg_w(gspca_dev, 0x0384, REG_FRAME_LENGTH_LINES_); + reg_w(gspca_dev, 0x0960, REG_LINE_LENGTH_PCK_); + } else if (w == 1600) { + reg_w(gspca_dev, 0x0640, REG_FRAME_LENGTH_LINES_); + reg_w(gspca_dev, 0x0FA0, REG_LINE_LENGTH_PCK_); + } else if (w == 3264) { + reg_w(gspca_dev, 0x0B4B, REG_FRAME_LENGTH_LINES_); + reg_w(gspca_dev, 0x1F40, REG_LINE_LENGTH_PCK_); + } else { + gspca_err(gspca_dev, "bad width %u\n", w); + gspca_dev->usb_err = -EINVAL; + return; + } +} + +/* Packets that were encrypted, no idea if the grouping is significant */ +static void configure_encrypted(struct gspca_dev *gspca_dev) +{ + static const struct cmd reg_init_begin[] = { + {0x0100, REG_SOFTWARE_RESET}, + {0x0000, REG_MODE_SELECT}, + {0x0100, REG_GROUPED_PARAMETER_HOLD}, + {0x0004, REG_VT_PIX_CLK_DIV}, + {0x0001, REG_VT_SYS_CLK_DIV}, + {0x0008, REG_OP_PIX_CLK_DIV}, + {0x0001, REG_OP_SYS_CLK_DIV}, + {0x0004, REG_PRE_PLL_CLK_DIV}, + {0x0040, REG_PLL_MULTIPLIER}, + {0x0000, REG_GROUPED_PARAMETER_HOLD}, + {0x0100, REG_GROUPED_PARAMETER_HOLD}, + }; + static const struct cmd reg_init_end[] = { + {0x0000, REG_GROUPED_PARAMETER_HOLD}, + {0x0301, 0x31AE}, + {0x0805, 0x3064}, + {0x0071, 0x3170}, + {0x10DE, REG_RESET_REGISTER}, + {0x0000, REG_MODE_SELECT}, + {0x0010, REG_PLL_MULTIPLIER}, + {0x0100, REG_MODE_SELECT}, + }; + + gspca_dbg(gspca_dev, D_STREAM, "Encrypted begin, w = %u\n\n", + gspca_dev->pixfmt.width); + reg_w_buf(gspca_dev, reg_init_begin, ARRAY_SIZE(reg_init_begin)); + configure_wh(gspca_dev); + reg_w_buf(gspca_dev, reg_init_end, ARRAY_SIZE(reg_init_end)); + reg_w(gspca_dev, 0x0100, REG_GROUPED_PARAMETER_HOLD); + reg_w(gspca_dev, 0x0000, REG_GROUPED_PARAMETER_HOLD); + + gspca_dbg(gspca_dev, D_STREAM, "Encrypted end\n\n"); +} + +static int configure(struct gspca_dev *gspca_dev) +{ + int rc; + char *buff = gspca_dev->usb_buf; + + gspca_dbg(gspca_dev, D_STREAM, "configure()\n\n"); + + /* + * First driver sets a sort of encryption key + * A number of futur requests of this type have wValue and wIndex + * encrypted as follows: + * -Compute key = this wValue rotate left by 4 bits + * (decrypt.py rotates right because we are decrypting) + * -Later packets encrypt packets by XOR'ing with key + * XOR encrypt/decrypt is symmetrical + * wValue, and wIndex are encrypted + * bRequest is not and bRequestType is always 0xC0 + * This allows resyncing if key is unknown? + * By setting 0 we XOR with 0 and the shifting and XOR drops out + */ + rc = usb_control_msg(gspca_dev->dev, usb_rcvctrlpipe(gspca_dev->dev, 0), + 0x16, 0xC0, 0x0000, 0x0000, buff, 2, 500); + if (val_reply(gspca_dev, buff, rc)) { + gspca_err(gspca_dev, "failed key req\n"); + return -EIO; + } + + /* + * Next does some sort of 2 packet challenge / response + * evidence suggests its an Atmel I2C crypto part but nobody cares to + * look + * (to make sure its not cloned hardware?) + * Ignore: I want to work with their hardware, not clone it + * 16 bytes out challenge, requestType: 0x40 + * 16 bytes in response, requestType: 0xC0 + */ + + rc = usb_control_msg(gspca_dev->dev, usb_sndctrlpipe(gspca_dev->dev, 0), + 0x01, 0x40, 0x0001, 0x000F, NULL, 0, 500); + if (rc < 0) { + gspca_err(gspca_dev, "failed to replay packet 176 w/ rc %d\n", + rc); + return rc; + } + + rc = usb_control_msg(gspca_dev->dev, usb_sndctrlpipe(gspca_dev->dev, 0), + 0x01, 0x40, 0x0000, 0x000F, NULL, 0, 500); + if (rc < 0) { + gspca_err(gspca_dev, "failed to replay packet 178 w/ rc %d\n", + rc); + return rc; + } + + rc = usb_control_msg(gspca_dev->dev, usb_sndctrlpipe(gspca_dev->dev, 0), + 0x01, 0x40, 0x0001, 0x000F, NULL, 0, 500); + if (rc < 0) { + gspca_err(gspca_dev, "failed to replay packet 180 w/ rc %d\n", + rc); + return rc; + } + + /* + * Serial number? Doesn't seem to be required + * cam1: \xE6\x0D\x00\x00, cam2: \x70\x19\x00\x00 + * rc = usb_control_msg(gspca_dev->dev, + * usb_rcvctrlpipe(gspca_dev->dev, 0), + * 0x20, 0xC0, 0x0000, 0x0000, buff, 4, 500); + */ + + /* Large (EEPROM?) read, skip it since no idea what to do with it */ + gspca_dev->usb_err = 0; + configure_encrypted(gspca_dev); + if (gspca_dev->usb_err) + return gspca_dev->usb_err; + + /* Omitted this by accident, does not work without it */ + rc = usb_control_msg(gspca_dev->dev, usb_sndctrlpipe(gspca_dev->dev, 0), + 0x01, 0x40, 0x0003, 0x000F, NULL, 0, 500); + if (rc < 0) { + gspca_err(gspca_dev, "failed to replay final packet w/ rc %d\n", + rc); + return rc; + } + + gspca_dbg(gspca_dev, D_STREAM, "Configure complete\n\n"); + return 0; +} + +static int sd_config(struct gspca_dev *gspca_dev, + const struct usb_device_id *id) +{ + gspca_dev->cam.cam_mode = vga_mode; + gspca_dev->cam.nmodes = ARRAY_SIZE(vga_mode); + + /* Yes we want URBs and we want them now! */ + gspca_dev->cam.no_urb_create = 0; + gspca_dev->cam.bulk_nurbs = 4; + /* Largest size the windows driver uses */ + gspca_dev->cam.bulk_size = BULK_SIZE; + /* Def need to use bulk transfers */ + gspca_dev->cam.bulk = 1; + + return 0; +} + +static int sd_start(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + int rc; + + sd->this_f = 0; + + rc = configure(gspca_dev); + if (rc < 0) { + gspca_err(gspca_dev, "Failed configure\n"); + return rc; + } + /* First two frames have messed up gains + Drop them to avoid special cases in user apps? */ + return 0; +} + +static void sd_pkt_scan(struct gspca_dev *gspca_dev, + u8 *data, /* isoc packet */ + int len) /* iso packet length */ +{ + struct sd *sd = (struct sd *) gspca_dev; + + if (len != BULK_SIZE) { + /* can we finish a frame? */ + if (sd->this_f + len == gspca_dev->pixfmt.sizeimage) { + gspca_frame_add(gspca_dev, LAST_PACKET, data, len); + gspca_dbg(gspca_dev, D_FRAM, "finish frame sz %u/%u w/ len %u\n\n", + sd->this_f, gspca_dev->pixfmt.sizeimage, len); + /* lost some data, discard the frame */ + } else { + gspca_frame_add(gspca_dev, DISCARD_PACKET, NULL, 0); + gspca_dbg(gspca_dev, D_FRAM, "abort frame sz %u/%u w/ len %u\n\n", + sd->this_f, gspca_dev->pixfmt.sizeimage, len); + } + sd->this_f = 0; + } else { + if (sd->this_f == 0) + gspca_frame_add(gspca_dev, FIRST_PACKET, data, len); + else + gspca_frame_add(gspca_dev, INTER_PACKET, data, len); + sd->this_f += len; + } +} + +static int sd_init(struct gspca_dev *gspca_dev) +{ + return 0; +} + +static int sd_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct gspca_dev *gspca_dev = + container_of(ctrl->handler, struct gspca_dev, ctrl_handler); + struct sd *sd = (struct sd *) gspca_dev; + + gspca_dev->usb_err = 0; + + if (!gspca_dev->streaming) + return 0; + + switch (ctrl->id) { + case V4L2_CID_EXPOSURE: + setexposure(gspca_dev, ctrl->val); + break; + case V4L2_CID_GAIN: + /* gspca_dev->gain automatically updated */ + setggain(gspca_dev, gspca_dev->gain->val); + break; + case V4L2_CID_BLUE_BALANCE: + sd->blue->val = ctrl->val; + setbgain(gspca_dev, sd->blue->val, gspca_dev->gain->val); + break; + case V4L2_CID_RED_BALANCE: + sd->red->val = ctrl->val; + setrgain(gspca_dev, sd->red->val, gspca_dev->gain->val); + break; + } + return gspca_dev->usb_err; +} + +static const struct v4l2_ctrl_ops sd_ctrl_ops = { + .s_ctrl = sd_s_ctrl, +}; + +static int sd_init_controls(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler; + + gspca_dev->vdev.ctrl_handler = hdl; + v4l2_ctrl_handler_init(hdl, 4); + + gspca_dev->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + /* Mostly limited by URB timeouts */ + /* XXX: make dynamic based on frame rate? */ + V4L2_CID_EXPOSURE, 0, 800, 1, 350); + gspca_dev->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_GAIN, 0, 511, 1, 128); + sd->blue = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_BLUE_BALANCE, 0, 1023, 1, 80); + sd->red = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_RED_BALANCE, 0, 1023, 1, 295); + + if (hdl->error) { + gspca_err(gspca_dev, "Could not initialize controls\n"); + return hdl->error; + } + return 0; +} + +/* sub-driver description */ +static const struct sd_desc sd_desc = { + .name = MODULE_NAME, + .config = sd_config, + .init = sd_init, + .init_controls = sd_init_controls, + .start = sd_start, + .pkt_scan = sd_pkt_scan, +}; + +/* Table of supported USB devices */ +static const struct usb_device_id device_table[] = { + /* Commented out devices should be related */ + /* AS: AmScope, TT: ToupTek */ + /* { USB_DEVICE(0x0547, 0x6035) }, TT UCMOS00350KPA */ + /* { USB_DEVICE(0x0547, 0x6130) }, TT UCMOS01300KPA */ + /* { USB_DEVICE(0x0547, 0x6200) }, TT UCMOS02000KPA */ + /* { USB_DEVICE(0x0547, 0x6310) }, TT UCMOS03100KPA */ + /* { USB_DEVICE(0x0547, 0x6510) }, TT UCMOS05100KPA */ + /* { USB_DEVICE(0x0547, 0x6800) }, TT UCMOS08000KPA */ + /* { USB_DEVICE(0x0547, 0x6801) }, TT UCMOS08000KPB */ + { USB_DEVICE(0x0547, 0x6801) }, /* TT UCMOS08000KPB, AS MU800 */ + /* { USB_DEVICE(0x0547, 0x6900) }, TT UCMOS09000KPA */ + /* { USB_DEVICE(0x0547, 0x6901) }, TT UCMOS09000KPB */ + /* { USB_DEVICE(0x0547, 0x6010) }, TT UCMOS10000KPA */ + /* { USB_DEVICE(0x0547, 0x6014) }, TT UCMOS14000KPA */ + /* { USB_DEVICE(0x0547, 0x6131) }, TT UCMOS01300KMA */ + /* { USB_DEVICE(0x0547, 0x6511) }, TT UCMOS05100KMA */ + /* { USB_DEVICE(0x0547, 0x8080) }, TT UHCCD00800KPA */ + /* { USB_DEVICE(0x0547, 0x8140) }, TT UHCCD01400KPA */ + /* { USB_DEVICE(0x0547, 0x8141) }, TT EXCCD01400KPA */ + /* { USB_DEVICE(0x0547, 0x8200) }, TT UHCCD02000KPA */ + /* { USB_DEVICE(0x0547, 0x8201) }, TT UHCCD02000KPB */ + /* { USB_DEVICE(0x0547, 0x8310) }, TT UHCCD03100KPA */ + /* { USB_DEVICE(0x0547, 0x8500) }, TT UHCCD05000KPA */ + /* { USB_DEVICE(0x0547, 0x8510) }, TT UHCCD05100KPA */ + /* { USB_DEVICE(0x0547, 0x8600) }, TT UHCCD06000KPA */ + /* { USB_DEVICE(0x0547, 0x8800) }, TT UHCCD08000KPA */ + /* { USB_DEVICE(0x0547, 0x8315) }, TT UHCCD03150KPA */ + /* { USB_DEVICE(0x0547, 0x7800) }, TT UHCCD00800KMA */ + /* { USB_DEVICE(0x0547, 0x7140) }, TT UHCCD01400KMA */ + /* { USB_DEVICE(0x0547, 0x7141) }, TT UHCCD01400KMB */ + /* { USB_DEVICE(0x0547, 0x7200) }, TT UHCCD02000KMA */ + /* { USB_DEVICE(0x0547, 0x7315) }, TT UHCCD03150KMA */ + { } +}; +MODULE_DEVICE_TABLE(usb, device_table); + +static int sd_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd), + THIS_MODULE); +} + +static struct usb_driver sd_driver = { + .name = MODULE_NAME, + .id_table = device_table, + .probe = sd_probe, + .disconnect = gspca_disconnect, +#ifdef CONFIG_PM + .suspend = gspca_suspend, + .resume = gspca_resume, +#endif +}; + +static int __init sd_mod_init(void) +{ + int ret; + + ret = usb_register(&sd_driver); + if (ret < 0) + return ret; + return 0; +} +static void __exit sd_mod_exit(void) +{ + usb_deregister(&sd_driver); +} + +module_init(sd_mod_init); +module_exit(sd_mod_exit); |