From be1da9ee83eb5c27a69b30577232d1ec72876e7a Mon Sep 17 00:00:00 2001 From: Costantino Leandro Date: Tue, 23 Mar 2010 12:31:16 -0300 Subject: [PATCH] V4L/DVB: gspca - t613: Add color controls MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit - Rename controls to fit real behaviour - Add global gain , r/b balance. Signed-off-by: Costantino Leandro Signed-off-by: Jean-François Moine Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/t613.c | 159 +++++++++++++++++++++++++++++-- 1 file changed, 150 insertions(+), 9 deletions(-) diff --git a/drivers/media/video/gspca/t613.c b/drivers/media/video/gspca/t613.c index 8c7dadef821..63014372adb 100644 --- a/drivers/media/video/gspca/t613.c +++ b/drivers/media/video/gspca/t613.c @@ -44,7 +44,10 @@ struct sd { u8 gamma; u8 sharpness; u8 freq; - u8 whitebalance; + u8 red_balance; /* split balance */ + u8 blue_balance; + u8 global_gain; /* aka gain */ + u8 whitebalance; /* set default r/g/b and activate */ u8 mirror; u8 effect; @@ -70,8 +73,17 @@ static int sd_setsharpness(struct gspca_dev *gspca_dev, __s32 val); static int sd_getsharpness(struct gspca_dev *gspca_dev, __s32 *val); static int sd_setfreq(struct gspca_dev *gspca_dev, __s32 val); static int sd_getfreq(struct gspca_dev *gspca_dev, __s32 *val); + + static int sd_setwhitebalance(struct gspca_dev *gspca_dev, __s32 val); static int sd_getwhitebalance(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 int sd_setglobal_gain(struct gspca_dev *gspca_dev, __s32 val); +static int sd_getglobal_gain(struct gspca_dev *gspca_dev, __s32 *val); + static int sd_setflip(struct gspca_dev *gspca_dev, __s32 val); static int sd_getflip(struct gspca_dev *gspca_dev, __s32 *val); static int sd_seteffect(struct gspca_dev *gspca_dev, __s32 val); @@ -79,6 +91,7 @@ static int sd_geteffect(struct gspca_dev *gspca_dev, __s32 *val); static int sd_querymenu(struct gspca_dev *gspca_dev, struct v4l2_querymenu *menu); + static const struct ctrl sd_ctrls[] = { { { @@ -139,7 +152,7 @@ static const struct ctrl sd_ctrls[] = { }, { { - .id = V4L2_CID_GAIN, /* here, i activate only the lowlight, + .id = V4L2_CID_BACKLIGHT_COMPENSATION, /* Activa lowlight, * some apps dont bring up the * backligth_compensation control) */ .type = V4L2_CTRL_TYPE_INTEGER, @@ -183,7 +196,7 @@ static const struct ctrl sd_ctrls[] = { { { - .id = V4L2_CID_WHITE_BALANCE_TEMPERATURE, + .id = V4L2_CID_AUTO_WHITE_BALANCE, .type = V4L2_CTRL_TYPE_INTEGER, .name = "White Balance", .minimum = 0, @@ -223,6 +236,48 @@ static const struct ctrl sd_ctrls[] = { .set = sd_seteffect, .get = sd_geteffect }, + { + { + .id = V4L2_CID_BLUE_BALANCE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Blue Balance", + .minimum = 0x10, + .maximum = 0x40, + .step = 1, +#define BLUE_BALANCE_DEF 0x20 + .default_value = BLUE_BALANCE_DEF, + }, + .set = sd_setblue_balance, + .get = sd_getblue_balance, + }, + { + { + .id = V4L2_CID_RED_BALANCE, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Red Balance", + .minimum = 0x10, + .maximum = 0x40, + .step = 1, +#define RED_BALANCE_DEF 0x20 + .default_value = RED_BALANCE_DEF, + }, + .set = sd_setred_balance, + .get = sd_getred_balance, + }, + { + { + .id = V4L2_CID_GAIN, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Gain", + .minimum = 0x10, + .maximum = 0x40, + .step = 1, +#define global_gain_DEF 0x20 + .default_value = global_gain_DEF, + }, + .set = sd_setglobal_gain, + .get = sd_getglobal_gain, + }, }; static char *effects_control[] = { @@ -651,6 +706,10 @@ static int sd_config(struct gspca_dev *gspca_dev, sd->whitebalance = WHITE_BALANCE_DEF; sd->sharpness = SHARPNESS_DEF; sd->effect = EFFECTS_DEF; + sd->red_balance = RED_BALANCE_DEF; + sd->blue_balance = BLUE_BALANCE_DEF; + sd->global_gain = global_gain_DEF; + return 0; } @@ -702,18 +761,40 @@ static void setgamma(struct gspca_dev *gspca_dev) reg_w_ixbuf(gspca_dev, 0x90, gamma_table[sd->gamma], sizeof gamma_table[0]); } +static void setglobalgain(struct gspca_dev *gspca_dev) +{ -static void setwhitebalance(struct gspca_dev *gspca_dev) + struct sd *sd = (struct sd *) gspca_dev; + reg_w(gspca_dev, (sd->red_balance << 8) + 0x87); + reg_w(gspca_dev, (sd->blue_balance << 8) + 0x88); + reg_w(gspca_dev, (sd->global_gain << 8) + 0x89); +} + +/* Generic fnc for r/b balance, exposure and whitebalance */ +static void setbalance(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; - u8 white_balance[8] = - {0x87, 0x20, 0x88, 0x20, 0x89, 0x20, 0x80, 0x38}; + /* on whitebalance leave defaults values */ + if (sd->whitebalance) { + reg_w(gspca_dev, 0x3c80); + } else { + reg_w(gspca_dev, 0x3880); + /* shoud we wait here.. */ + /* update and reset 'global gain' with webcam parameters */ + sd->red_balance = reg_r(gspca_dev, 0x0087); + sd->blue_balance = reg_r(gspca_dev, 0x0088); + sd->global_gain = reg_r(gspca_dev, 0x0089); + setglobalgain(gspca_dev); + } + +} - if (sd->whitebalance) - white_balance[7] = 0x3c; - reg_w_buf(gspca_dev, white_balance, sizeof white_balance); + +static void setwhitebalance(struct gspca_dev *gspca_dev) +{ + setbalance(gspca_dev); } static void setsharpness(struct gspca_dev *gspca_dev) @@ -1027,6 +1108,66 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, gspca_frame_add(gspca_dev, INTER_PACKET, data, len); } + +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) + reg_w(gspca_dev, (val << 8) + 0x88); + 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) + reg_w(gspca_dev, (val << 8) + 0x87); + + 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; +} + + + +static int sd_setglobal_gain(struct gspca_dev *gspca_dev, __s32 val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + sd->global_gain = val; + if (gspca_dev->streaming) + setglobalgain(gspca_dev); + + return 0; +} + +static int sd_getglobal_gain(struct gspca_dev *gspca_dev, __s32 *val) +{ + struct sd *sd = (struct sd *) gspca_dev; + + *val = sd->global_gain; + return 0; +} + + static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val) { struct sd *sd = (struct sd *) gspca_dev; -- 2.46.0