diff options
Diffstat (limited to 'drivers/media/video/gspca/spca501.c')
-rw-r--r-- | drivers/media/video/gspca/spca501.c | 148 |
1 files changed, 99 insertions, 49 deletions
diff --git a/drivers/media/video/gspca/spca501.c b/drivers/media/video/gspca/spca501.c index e29954c1c38..82e3e3e2ada 100644 --- a/drivers/media/video/gspca/spca501.c +++ b/drivers/media/video/gspca/spca501.c @@ -34,6 +34,8 @@ struct sd { unsigned short contrast; __u8 brightness; __u8 colors; + __u8 blue_balance; + __u8 red_balance; char subtype; #define Arowana300KCMOSCamera 0 @@ -52,6 +54,10 @@ static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val); static int sd_getcontrast(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_setblue_balance(struct gspca_dev *gspca_dev, __s32 val); +static int sd_getblue_balance(struct gspca_dev *gspca_dev, __s32 *val); +static int sd_setred_balance(struct gspca_dev *gspca_dev, __s32 val); +static int sd_getred_balance(struct gspca_dev *gspca_dev, __s32 *val); static struct ctrl sd_ctrls[] = { #define MY_BRIGHTNESS 0 @@ -63,7 +69,7 @@ static struct ctrl sd_ctrls[] = { .minimum = 0, .maximum = 127, .step = 1, - .default_value = 63, + .default_value = 0, }, .set = sd_setbrightness, .get = sd_getbrightness, @@ -75,9 +81,9 @@ static struct ctrl sd_ctrls[] = { .type = V4L2_CTRL_TYPE_INTEGER, .name = "Contrast", .minimum = 0, - .maximum = 0xffff, + .maximum = 64725, .step = 1, - .default_value = 0xaa00, + .default_value = 64725, }, .set = sd_setcontrast, .get = sd_getcontrast, @@ -91,14 +97,42 @@ static struct ctrl sd_ctrls[] = { .minimum = 0, .maximum = 63, .step = 1, - .default_value = 31, + .default_value = 20, }, .set = sd_setcolors, .get = sd_getcolors, }, +#define MY_BLUE_BALANCE 3 + { + { + .id = V4L2_CID_BLUE_BALANCE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Blue Balance", + .minimum = 0, + .maximum = 127, + .step = 1, + .default_value = 0, + }, + .set = sd_setblue_balance, + .get = sd_getblue_balance, + }, +#define MY_RED_BALANCE 4 + { + { + .id = V4L2_CID_RED_BALANCE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Red Balance", + .minimum = 0, + .maximum = 127, + .step = 1, + .default_value = 0, + }, + .set = sd_setred_balance, + .get = sd_getred_balance, + }, }; -static struct v4l2_pix_format vga_mode[] = { +static const struct v4l2_pix_format vga_mode[] = { {160, 120, V4L2_PIX_FMT_SPCA501, V4L2_FIELD_NONE, .bytesperline = 160, .sizeimage = 160 * 120 * 3 / 2, @@ -1822,29 +1856,6 @@ static int reg_write(struct usb_device *dev, return ret; } -/* returns: negative is error, pos or zero is data */ -static int reg_read(struct gspca_dev *gspca_dev, - __u16 req, /* bRequest */ - __u16 index, /* wIndex */ - __u16 length) /* wLength (1 or 2 only) */ -{ - int ret; - - gspca_dev->usb_buf[1] = 0; - ret = usb_control_msg(gspca_dev->dev, - usb_rcvctrlpipe(gspca_dev->dev, 0), - req, - USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - 0, /* value */ - index, - gspca_dev->usb_buf, length, - 500); /* timeout */ - if (ret < 0) { - PDEBUG(D_ERR, "reg_read err %d", ret); - return -1; - } - return (gspca_dev->usb_buf[1] << 8) + gspca_dev->usb_buf[0]; -} static int write_vector(struct gspca_dev *gspca_dev, const __u16 data[][3]) @@ -1869,18 +1880,11 @@ static void setbrightness(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; - reg_write(gspca_dev->dev, SPCA501_REG_CCDSP, 0x11, sd->brightness); reg_write(gspca_dev->dev, SPCA501_REG_CCDSP, 0x12, sd->brightness); - reg_write(gspca_dev->dev, SPCA501_REG_CCDSP, 0x13, sd->brightness); } static void getbrightness(struct gspca_dev *gspca_dev) { - struct sd *sd = (struct sd *) gspca_dev; - __u16 brightness; - - brightness = reg_read(gspca_dev, SPCA501_REG_CCDSP, 0x11, 2); - sd->brightness = brightness << 1; } static void setcontrast(struct gspca_dev *gspca_dev) @@ -1895,7 +1899,6 @@ static void setcontrast(struct gspca_dev *gspca_dev) static void getcontrast(struct gspca_dev *gspca_dev) { -/* spca50x->contrast = 0xaa01; */ } static void setcolors(struct gspca_dev *gspca_dev) @@ -1907,11 +1910,20 @@ static void setcolors(struct gspca_dev *gspca_dev) static void getcolors(struct gspca_dev *gspca_dev) { +} + +static void setblue_balance(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + + reg_write(gspca_dev->dev, SPCA501_REG_CCDSP, 0x11, sd->blue_balance); +} + +static void setred_balance(struct gspca_dev *gspca_dev) +{ struct sd *sd = (struct sd *) gspca_dev; - sd->colors = reg_read(gspca_dev, SPCA501_REG_CCDSP, 0x0c, 2); -/* sd->hue = (reg_read(gspca_dev, SPCA501_REG_CCDSP, 0x13, */ -/* 2) & 0xFF) << 8; */ + reg_write(gspca_dev->dev, SPCA501_REG_CCDSP, 0x13, sd->red_balance); } /* this function is called at probe time */ @@ -1930,6 +1942,14 @@ static int sd_config(struct gspca_dev *gspca_dev, sd->contrast = sd_ctrls[MY_CONTRAST].qctrl.default_value; sd->colors = sd_ctrls[MY_COLOR].qctrl.default_value; + return 0; +} + +/* this function is called at probe and resume time */ +static int sd_init(struct gspca_dev *gspca_dev) +{ + struct sd *sd = (struct sd *) gspca_dev; + switch (sd->subtype) { case Arowana300KCMOSCamera: case SmileIntlCamera: @@ -1948,15 +1968,17 @@ static int sd_config(struct gspca_dev *gspca_dev, goto error; break; } + PDEBUG(D_STREAM, "Initializing SPCA501 finished"); return 0; error: return -EINVAL; } -/* this function is called at probe and resume time */ -static int sd_init(struct gspca_dev *gspca_dev) +static int sd_start(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; + struct usb_device *dev = gspca_dev->dev; + int mode; switch (sd->subtype) { case ThreeComHomeConnectLite: @@ -1976,14 +1998,6 @@ static int sd_init(struct gspca_dev *gspca_dev) /* Generic 501 open data */ write_vector(gspca_dev, spca501_open_data); } - PDEBUG(D_STREAM, "Initializing SPCA501 finished"); - return 0; -} - -static int sd_start(struct gspca_dev *gspca_dev) -{ - struct usb_device *dev = gspca_dev->dev; - int mode; /* memorize the wanted pixel format */ mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv; @@ -2113,6 +2127,42 @@ static int sd_getcolors(struct gspca_dev *gspca_dev, __s32 *val) return 0; } +static int sd_setblue_balance(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + sd->blue_balance = val; + if (gspca_dev->streaming) + setblue_balance(gspca_dev); + return 0; +} + +static int sd_getblue_balance(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + *val = sd->blue_balance; + return 0; +} + +static int sd_setred_balance(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + sd->red_balance = val; + if (gspca_dev->streaming) + setred_balance(gspca_dev); + return 0; +} + +static int sd_getred_balance(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + *val = sd->red_balance; + return 0; +} + /* sub-driver description */ static const struct sd_desc sd_desc = { .name = MODULE_NAME, |