diff options
Diffstat (limited to 'drivers/media/video/gspca/mars.c')
-rw-r--r-- | drivers/media/video/gspca/mars.c | 327 |
1 files changed, 164 insertions, 163 deletions
diff --git a/drivers/media/video/gspca/mars.c b/drivers/media/video/gspca/mars.c index 031f719..a81536e 100644 --- a/drivers/media/video/gspca/mars.c +++ b/drivers/media/video/gspca/mars.c @@ -28,14 +28,23 @@ MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>"); MODULE_DESCRIPTION("GSPCA/Mars USB Camera Driver"); MODULE_LICENSE("GPL"); +/* controls */ +enum e_ctrl { + BRIGHTNESS, + COLORS, + GAMMA, + SHARPNESS, + ILLUM_TOP, + ILLUM_BOT, + NCTRLS /* number of controls */ +}; + /* specific webcam descriptor */ struct sd { struct gspca_dev gspca_dev; /* !! must be the first item */ - u8 brightness; - u8 colors; - u8 gamma; - u8 sharpness; + struct gspca_ctrl ctrls[NCTRLS]; + u8 quality; #define QUALITY_MIN 40 #define QUALITY_MAX 70 @@ -45,17 +54,15 @@ struct sd { }; /* V4L2 controls supported by the driver */ -static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val); -static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val); -static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val); -static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val); -static int sd_setgamma(struct gspca_dev *gspca_dev, __s32 val); -static int sd_getgamma(struct gspca_dev *gspca_dev, __s32 *val); -static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val); -static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val); - -static const struct ctrl sd_ctrls[] = { - { +static void setbrightness(struct gspca_dev *gspca_dev); +static void setcolors(struct gspca_dev *gspca_dev); +static void setgamma(struct gspca_dev *gspca_dev); +static void setsharpness(struct gspca_dev *gspca_dev); +static int sd_setilluminator1(struct gspca_dev *gspca_dev, __s32 val); +static int sd_setilluminator2(struct gspca_dev *gspca_dev, __s32 val); + +static const struct ctrl sd_ctrls[NCTRLS] = { +[BRIGHTNESS] = { { .id = V4L2_CID_BRIGHTNESS, .type = V4L2_CTRL_TYPE_INTEGER, @@ -63,13 +70,11 @@ static const struct ctrl sd_ctrls[] = { .minimum = 0, .maximum = 30, .step = 1, -#define BRIGHTNESS_DEF 15 - .default_value = BRIGHTNESS_DEF, + .default_value = 15, }, - .set = sd_setbrightness, - .get = sd_getbrightness, + .set_control = setbrightness }, - { +[COLORS] = { { .id = V4L2_CID_SATURATION, .type = V4L2_CTRL_TYPE_INTEGER, @@ -77,13 +82,11 @@ static const struct ctrl sd_ctrls[] = { .minimum = 1, .maximum = 255, .step = 1, -#define COLOR_DEF 200 - .default_value = COLOR_DEF, + .default_value = 200, }, - .set = sd_setcolors, - .get = sd_getcolors, + .set_control = setcolors }, - { +[GAMMA] = { { .id = V4L2_CID_GAMMA, .type = V4L2_CTRL_TYPE_INTEGER, @@ -91,13 +94,11 @@ static const struct ctrl sd_ctrls[] = { .minimum = 0, .maximum = 3, .step = 1, -#define GAMMA_DEF 1 - .default_value = GAMMA_DEF, + .default_value = 1, }, - .set = sd_setgamma, - .get = sd_getgamma, + .set_control = setgamma }, - { +[SHARPNESS] = { { .id = V4L2_CID_SHARPNESS, .type = V4L2_CTRL_TYPE_INTEGER, @@ -105,11 +106,35 @@ static const struct ctrl sd_ctrls[] = { .minimum = 0, .maximum = 2, .step = 1, -#define SHARPNESS_DEF 1 - .default_value = SHARPNESS_DEF, + .default_value = 1, + }, + .set_control = setsharpness + }, +[ILLUM_TOP] = { + { + .id = V4L2_CID_ILLUMINATORS_1, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "Top illuminator", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0, + .flags = V4L2_CTRL_FLAG_UPDATE, + }, + .set = sd_setilluminator1 + }, +[ILLUM_BOT] = { + { + .id = V4L2_CID_ILLUMINATORS_2, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "Bottom illuminator", + .minimum = 0, + .maximum = 1, + .step = 1, + .default_value = 0, + .flags = V4L2_CTRL_FLAG_UPDATE, }, - .set = sd_setsharpness, - .get = sd_getsharpness, + .set = sd_setilluminator2 }, }; @@ -138,21 +163,25 @@ static const __u8 mi_data[0x20] = { }; /* write <len> bytes from gspca_dev->usb_buf */ -static int reg_w(struct gspca_dev *gspca_dev, +static void reg_w(struct gspca_dev *gspca_dev, int len) { int alen, ret; + if (gspca_dev->usb_err < 0) + return; + ret = usb_bulk_msg(gspca_dev->dev, usb_sndbulkpipe(gspca_dev->dev, 4), gspca_dev->usb_buf, len, &alen, 500); /* timeout in milliseconds */ - if (ret < 0) - PDEBUG(D_ERR, "reg write [%02x] error %d", + if (ret < 0) { + err("reg write [%02x] error %d", gspca_dev->usb_buf[0], ret); - return ret; + gspca_dev->usb_err = ret; + } } static void mi_w(struct gspca_dev *gspca_dev, @@ -167,6 +196,59 @@ static void mi_w(struct gspca_dev *gspca_dev, reg_w(gspca_dev, 4); } +static void setbrightness(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + + gspca_dev->usb_buf[0] = 0x61; + gspca_dev->usb_buf[1] = sd->ctrls[BRIGHTNESS].val; + reg_w(gspca_dev, 2); +} + +static void setcolors(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + s16 val; + + val = sd->ctrls[COLORS].val; + gspca_dev->usb_buf[0] = 0x5f; + gspca_dev->usb_buf[1] = val << 3; + gspca_dev->usb_buf[2] = ((val >> 2) & 0xf8) | 0x04; + reg_w(gspca_dev, 3); +} + +static void setgamma(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + + gspca_dev->usb_buf[0] = 0x06; + gspca_dev->usb_buf[1] = sd->ctrls[GAMMA].val * 0x40; + reg_w(gspca_dev, 2); +} + +static void setsharpness(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + + gspca_dev->usb_buf[0] = 0x67; + gspca_dev->usb_buf[1] = sd->ctrls[SHARPNESS].val * 4 + 3; + reg_w(gspca_dev, 2); +} + +static void setilluminators(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + + gspca_dev->usb_buf[0] = 0x22; + if (sd->ctrls[ILLUM_TOP].val) + gspca_dev->usb_buf[1] = 0x76; + else if (sd->ctrls[ILLUM_BOT].val) + gspca_dev->usb_buf[1] = 0x7a; + else + gspca_dev->usb_buf[1] = 0x7e; + reg_w(gspca_dev, 2); +} + /* this function is called at probe time */ static int sd_config(struct gspca_dev *gspca_dev, const struct usb_device_id *id) @@ -177,10 +259,7 @@ static int sd_config(struct gspca_dev *gspca_dev, cam = &gspca_dev->cam; cam->cam_mode = vga_mode; cam->nmodes = ARRAY_SIZE(vga_mode); - sd->brightness = BRIGHTNESS_DEF; - sd->colors = COLOR_DEF; - sd->gamma = GAMMA_DEF; - sd->sharpness = SHARPNESS_DEF; + cam->ctrls = sd->ctrls; sd->quality = QUALITY_DEF; gspca_dev->nbalt = 9; /* use the altsetting 08 */ return 0; @@ -189,13 +268,13 @@ static int sd_config(struct gspca_dev *gspca_dev, /* this function is called at probe and resume time */ static int sd_init(struct gspca_dev *gspca_dev) { + gspca_dev->ctrl_inac = (1 << ILLUM_TOP) | (1 << ILLUM_BOT); return 0; } static int sd_start(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; - int err_code; u8 *data; int i; @@ -208,9 +287,7 @@ static int sd_start(struct gspca_dev *gspca_dev) data[0] = 0x01; /* address */ data[1] = 0x01; - err_code = reg_w(gspca_dev, 2); - if (err_code < 0) - return err_code; + reg_w(gspca_dev, 2); /* Initialize the MR97113 chip register @@ -223,7 +300,7 @@ static int sd_start(struct gspca_dev *gspca_dev) data[5] = 0x30; /* reg 4, MI, PAS5101 : * 0x30 for 24mhz , 0x28 for 12mhz */ data[6] = 0x02; /* reg 5, H start - was 0x04 */ - data[7] = sd->gamma * 0x40; /* reg 0x06: gamma */ + data[7] = sd->ctrls[GAMMA].val * 0x40; /* reg 0x06: gamma */ data[8] = 0x01; /* reg 7, V start - was 0x03 */ /* if (h_size == 320 ) */ /* data[9]= 0x56; * reg 8, 24MHz, 2:1 scale down */ @@ -232,16 +309,12 @@ static int sd_start(struct gspca_dev *gspca_dev) /*jfm: from win trace*/ data[10] = 0x18; - err_code = reg_w(gspca_dev, 11); - if (err_code < 0) - return err_code; + reg_w(gspca_dev, 11); data[0] = 0x23; /* address */ data[1] = 0x09; /* reg 35, append frame header */ - err_code = reg_w(gspca_dev, 2); - if (err_code < 0) - return err_code; + reg_w(gspca_dev, 2); data[0] = 0x3c; /* address */ /* if (gspca_dev->width == 1280) */ @@ -250,9 +323,7 @@ static int sd_start(struct gspca_dev *gspca_dev) /* else */ data[1] = 50; /* 50 reg 60, pc-cam frame size * (unit: 4KB) 200KB */ - err_code = reg_w(gspca_dev, 2); - if (err_code < 0) - return err_code; + reg_w(gspca_dev, 2); /* auto dark-gain */ data[0] = 0x5e; /* address */ @@ -261,37 +332,29 @@ static int sd_start(struct gspca_dev *gspca_dev) /* reg 0x5f/0x60 (LE) = saturation */ /* h (60): xxxx x100 * l (5f): xxxx x000 */ - data[2] = sd->colors << 3; - data[3] = ((sd->colors >> 2) & 0xf8) | 0x04; - data[4] = sd->brightness; /* reg 0x61 = brightness */ + data[2] = sd->ctrls[COLORS].val << 3; + data[3] = ((sd->ctrls[COLORS].val >> 2) & 0xf8) | 0x04; + data[4] = sd->ctrls[BRIGHTNESS].val; /* reg 0x61 = brightness */ data[5] = 0x00; - err_code = reg_w(gspca_dev, 6); - if (err_code < 0) - return err_code; + reg_w(gspca_dev, 6); data[0] = 0x67; /*jfm: from win trace*/ - data[1] = sd->sharpness * 4 + 3; + data[1] = sd->ctrls[SHARPNESS].val * 4 + 3; data[2] = 0x14; - err_code = reg_w(gspca_dev, 3); - if (err_code < 0) - return err_code; + reg_w(gspca_dev, 3); data[0] = 0x69; data[1] = 0x2f; data[2] = 0x28; data[3] = 0x42; - err_code = reg_w(gspca_dev, 4); - if (err_code < 0) - return err_code; + reg_w(gspca_dev, 4); data[0] = 0x63; data[1] = 0x07; - err_code = reg_w(gspca_dev, 2); + reg_w(gspca_dev, 2); /*jfm: win trace - many writes here to reg 0x64*/ - if (err_code < 0) - return err_code; /* initialize the MI sensor */ for (i = 0; i < sizeof mi_data; i++) @@ -300,18 +363,26 @@ static int sd_start(struct gspca_dev *gspca_dev) data[0] = 0x00; data[1] = 0x4d; /* ISOC transfering enable... */ reg_w(gspca_dev, 2); - return 0; + + gspca_dev->ctrl_inac = 0; /* activate the illuminator controls */ + return gspca_dev->usb_err; } static void sd_stopN(struct gspca_dev *gspca_dev) { - int result; + struct sd *sd = (struct sd *) gspca_dev; + + gspca_dev->ctrl_inac = (1 << ILLUM_TOP) | (1 << ILLUM_BOT); + if (sd->ctrls[ILLUM_TOP].val || sd->ctrls[ILLUM_BOT].val) { + sd->ctrls[ILLUM_TOP].val = 0; + sd->ctrls[ILLUM_BOT].val = 0; + setilluminators(gspca_dev); + msleep(20); + } gspca_dev->usb_buf[0] = 1; gspca_dev->usb_buf[1] = 0; - result = reg_w(gspca_dev, 2); - if (result < 0) - PDEBUG(D_ERR, "Camera Stop failed"); + reg_w(gspca_dev, 2); } static void sd_pkt_scan(struct gspca_dev *gspca_dev, @@ -352,91 +423,28 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, gspca_frame_add(gspca_dev, INTER_PACKET, data, len); } -static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - sd->brightness = val; - if (gspca_dev->streaming) { - gspca_dev->usb_buf[0] = 0x61; - gspca_dev->usb_buf[1] = val; - reg_w(gspca_dev, 2); - } - return 0; -} - -static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val) +static int sd_setilluminator1(struct gspca_dev *gspca_dev, __s32 val) { struct sd *sd = (struct sd *) gspca_dev; - *val = sd->brightness; - return 0; + /* only one illuminator may be on */ + sd->ctrls[ILLUM_TOP].val = val; + if (val) + sd->ctrls[ILLUM_BOT].val = 0; + setilluminators(gspca_dev); + return gspca_dev->usb_err; } -static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val) +static int sd_setilluminator2(struct gspca_dev *gspca_dev, __s32 val) { struct sd *sd = (struct sd *) gspca_dev; - sd->colors = val; - if (gspca_dev->streaming) { - - /* see sd_start */ - gspca_dev->usb_buf[0] = 0x5f; - gspca_dev->usb_buf[1] = sd->colors << 3; - gspca_dev->usb_buf[2] = ((sd->colors >> 2) & 0xf8) | 0x04; - reg_w(gspca_dev, 3); - } - return 0; -} - -static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - *val = sd->colors; - return 0; -} - -static int sd_setgamma(struct gspca_dev *gspca_dev, __s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - sd->gamma = val; - if (gspca_dev->streaming) { - gspca_dev->usb_buf[0] = 0x06; - gspca_dev->usb_buf[1] = val * 0x40; - reg_w(gspca_dev, 2); - } - return 0; -} - -static int sd_getgamma(struct gspca_dev *gspca_dev, __s32 *val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - *val = sd->gamma; - return 0; -} - -static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - sd->sharpness = val; - if (gspca_dev->streaming) { - gspca_dev->usb_buf[0] = 0x67; - gspca_dev->usb_buf[1] = val * 4 + 3; - reg_w(gspca_dev, 2); - } - return 0; -} - -static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - *val = sd->sharpness; - return 0; + /* only one illuminator may be on */ + sd->ctrls[ILLUM_BOT].val = val; + if (val) + sd->ctrls[ILLUM_TOP].val = 0; + setilluminators(gspca_dev); + return gspca_dev->usb_err; } static int sd_set_jcomp(struct gspca_dev *gspca_dev, @@ -471,7 +479,7 @@ static int sd_get_jcomp(struct gspca_dev *gspca_dev, static const struct sd_desc sd_desc = { .name = MODULE_NAME, .ctrls = sd_ctrls, - .nctrls = ARRAY_SIZE(sd_ctrls), + .nctrls = NCTRLS, .config = sd_config, .init = sd_init, .start = sd_start, @@ -510,18 +518,11 @@ static struct usb_driver sd_driver = { /* -- module insert / remove -- */ static int __init sd_mod_init(void) { - int ret; - - ret = usb_register(&sd_driver); - if (ret < 0) - return ret; - PDEBUG(D_PROBE, "registered"); - return 0; + return usb_register(&sd_driver); } static void __exit sd_mod_exit(void) { usb_deregister(&sd_driver); - PDEBUG(D_PROBE, "deregistered"); } module_init(sd_mod_init); |