From 8792015ec58be8059cdb9ff86e3639481a4be4fb Mon Sep 17 00:00:00 2001 From: Hans Verkuil Date: Mon, 14 May 2012 05:04:26 -0300 Subject: [PATCH] [media] gspca-etoms: convert to the control framework Signed-off-by: Hans Verkuil Signed-off-by: Hans de Goede Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/gspca/etoms.c | 220 +++++++++++--------------------------- 1 file changed, 60 insertions(+), 160 deletions(-) diff --git a/drivers/media/video/gspca/etoms.c b/drivers/media/video/gspca/etoms.c index 81a4adb..8da77a8 100644 --- a/drivers/media/video/gspca/etoms.c +++ b/drivers/media/video/gspca/etoms.c @@ -32,9 +32,6 @@ MODULE_LICENSE("GPL"); struct sd { struct gspca_dev gspca_dev; /* !! must be the first item */ - unsigned char brightness; - unsigned char contrast; - unsigned char colors; unsigned char autogain; char sensor; @@ -44,76 +41,6 @@ struct sd { #define AG_CNT_START 13 }; -/* 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_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_setautogain(struct gspca_dev *gspca_dev, __s32 val); -static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val); - -static const struct ctrl sd_ctrls[] = { - { - { - .id = V4L2_CID_BRIGHTNESS, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Brightness", - .minimum = 1, - .maximum = 127, - .step = 1, -#define BRIGHTNESS_DEF 63 - .default_value = BRIGHTNESS_DEF, - }, - .set = sd_setbrightness, - .get = sd_getbrightness, - }, - { - { - .id = V4L2_CID_CONTRAST, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Contrast", - .minimum = 0, - .maximum = 255, - .step = 1, -#define CONTRAST_DEF 127 - .default_value = CONTRAST_DEF, - }, - .set = sd_setcontrast, - .get = sd_getcontrast, - }, -#define COLOR_IDX 2 - { - { - .id = V4L2_CID_SATURATION, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Color", - .minimum = 0, - .maximum = 15, - .step = 1, -#define COLOR_DEF 7 - .default_value = COLOR_DEF, - }, - .set = sd_setcolors, - .get = sd_getcolors, - }, - { - { - .id = V4L2_CID_AUTOGAIN, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Auto Gain", - .minimum = 0, - .maximum = 1, - .step = 1, -#define AUTOGAIN_DEF 1 - .default_value = AUTOGAIN_DEF, - }, - .set = sd_setautogain, - .get = sd_getautogain, - }, -}; - static const struct v4l2_pix_format vga_mode[] = { {320, 240, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE, .bytesperline = 320, @@ -464,36 +391,31 @@ static void Et_init2(struct gspca_dev *gspca_dev) reg_w_val(gspca_dev, 0x80, 0x20); /* 0x20; */ } -static void setbrightness(struct gspca_dev *gspca_dev) +static void setbrightness(struct gspca_dev *gspca_dev, s32 val) { - struct sd *sd = (struct sd *) gspca_dev; int i; - __u8 brightness = sd->brightness; for (i = 0; i < 4; i++) - reg_w_val(gspca_dev, ET_O_RED + i, brightness); + reg_w_val(gspca_dev, ET_O_RED + i, val); } -static void setcontrast(struct gspca_dev *gspca_dev) +static void setcontrast(struct gspca_dev *gspca_dev, s32 val) { - struct sd *sd = (struct sd *) gspca_dev; __u8 RGBG[] = { 0x80, 0x80, 0x80, 0x80, 0x00, 0x00 }; - __u8 contrast = sd->contrast; - memset(RGBG, contrast, sizeof(RGBG) - 2); + memset(RGBG, val, sizeof(RGBG) - 2); reg_w(gspca_dev, ET_G_RED, RGBG, 6); } -static void setcolors(struct gspca_dev *gspca_dev) +static void setcolors(struct gspca_dev *gspca_dev, s32 val) { struct sd *sd = (struct sd *) gspca_dev; __u8 I2cc[] = { 0x05, 0x02, 0x02, 0x05, 0x0d }; __u8 i2cflags = 0x01; /* __u8 green = 0; */ - __u8 colors = sd->colors; - I2cc[3] = colors; /* red */ - I2cc[0] = 15 - colors; /* blue */ + I2cc[3] = val; /* red */ + I2cc[0] = 15 - val; /* blue */ /* green = 15 - ((((7*I2cc[0]) >> 2 ) + I2cc[3]) >> 1); */ /* I2cc[1] = I2cc[2] = green; */ if (sd->sensor == SENSOR_PAS106) { @@ -504,15 +426,16 @@ static void setcolors(struct gspca_dev *gspca_dev) I2cc[3], I2cc[0], green); */ } -static void getcolors(struct gspca_dev *gspca_dev) +static s32 getcolors(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; if (sd->sensor == SENSOR_PAS106) { /* i2c_r(gspca_dev, PAS106_REG9); * blue */ i2c_r(gspca_dev, PAS106_REG9 + 3); /* red */ - sd->colors = gspca_dev->usb_buf[0] & 0x0f; + return gspca_dev->usb_buf[0] & 0x0f; } + return 0; } static void setautogain(struct gspca_dev *gspca_dev) @@ -622,8 +545,7 @@ static void Et_init1(struct gspca_dev *gspca_dev) i2c_w(gspca_dev, PAS106_REG7, I2c4, sizeof I2c4, 1); /* now set by fifo the whole colors setting */ reg_w(gspca_dev, ET_G_RED, GainRGBG, 6); - getcolors(gspca_dev); - setcolors(gspca_dev); + setcolors(gspca_dev, getcolors(gspca_dev)); } /* this function is called at probe time */ @@ -641,12 +563,7 @@ static int sd_config(struct gspca_dev *gspca_dev, } else { cam->cam_mode = vga_mode; cam->nmodes = ARRAY_SIZE(vga_mode); - gspca_dev->ctrl_dis = (1 << COLOR_IDX); } - sd->brightness = BRIGHTNESS_DEF; - sd->contrast = CONTRAST_DEF; - sd->colors = COLOR_DEF; - sd->autogain = AUTOGAIN_DEF; sd->ag_cnt = -1; return 0; } @@ -780,85 +697,68 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, } } -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) - setbrightness(gspca_dev); - return 0; -} - -static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - *val = sd->brightness; - return 0; -} - -static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val) +static int sd_s_ctrl(struct v4l2_ctrl *ctrl) { - struct sd *sd = (struct sd *) gspca_dev; - - sd->contrast = val; - if (gspca_dev->streaming) - setcontrast(gspca_dev); - return 0; -} - -static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - *val = sd->contrast; - return 0; -} - -static int sd_setcolors(struct gspca_dev *gspca_dev, __s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - sd->colors = val; - if (gspca_dev->streaming) - setcolors(gspca_dev); - 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_setautogain(struct gspca_dev *gspca_dev, __s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - sd->autogain = val; - if (gspca_dev->streaming) + 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_BRIGHTNESS: + setbrightness(gspca_dev, ctrl->val); + break; + case V4L2_CID_CONTRAST: + setcontrast(gspca_dev, ctrl->val); + break; + case V4L2_CID_SATURATION: + setcolors(gspca_dev, ctrl->val); + break; + case V4L2_CID_AUTOGAIN: + sd->autogain = ctrl->val; setautogain(gspca_dev); - return 0; + break; + } + return gspca_dev->usb_err; } -static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val) -{ - struct sd *sd = (struct sd *) gspca_dev; +static const struct v4l2_ctrl_ops sd_ctrl_ops = { + .s_ctrl = sd_s_ctrl, +}; - *val = sd->autogain; +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); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_BRIGHTNESS, 1, 127, 1, 63); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_CONTRAST, 0, 255, 1, 127); + if (sd->sensor == SENSOR_PAS106) + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_SATURATION, 0, 15, 1, 7); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_AUTOGAIN, 0, 1, 1, 1); + if (hdl->error) { + pr_err("Could not initialize controls\n"); + return hdl->error; + } return 0; } /* sub-driver description */ static const struct sd_desc sd_desc = { .name = MODULE_NAME, - .ctrls = sd_ctrls, - .nctrls = ARRAY_SIZE(sd_ctrls), .config = sd_config, .init = sd_init, + .init_controls = sd_init_controls, .start = sd_start, .stopN = sd_stopN, .pkt_scan = sd_pkt_scan, -- 2.7.4