diff options
Diffstat (limited to 'drivers/media/video/gspca/mr97310a.c')
| -rw-r--r-- | drivers/media/video/gspca/mr97310a.c | 439 |
1 files changed, 134 insertions, 305 deletions
diff --git a/drivers/media/video/gspca/mr97310a.c b/drivers/media/video/gspca/mr97310a.c index d73e5bd3dbf7..8f4714df5990 100644 --- a/drivers/media/video/gspca/mr97310a.c +++ b/drivers/media/video/gspca/mr97310a.c @@ -67,6 +67,7 @@ #define MR97310A_CS_GAIN_MAX 0x7ff #define MR97310A_CS_GAIN_DEFAULT 0x110 +#define MR97310A_CID_CLOCKDIV (V4L2_CTRL_CLASS_USER + 0x1000) #define MR97310A_MIN_CLOCKDIV_MIN 3 #define MR97310A_MIN_CLOCKDIV_MAX 8 #define MR97310A_MIN_CLOCKDIV_DEFAULT 3 @@ -84,17 +85,15 @@ MODULE_PARM_DESC(force_sensor_type, "Force sensor type (-1 (auto), 0 or 1)"); /* specific webcam descriptor */ struct sd { struct gspca_dev gspca_dev; /* !! must be the first item */ + struct { /* exposure/min_clockdiv control cluster */ + struct v4l2_ctrl *exposure; + struct v4l2_ctrl *min_clockdiv; + }; u8 sof_read; u8 cam_type; /* 0 is CIF and 1 is VGA */ u8 sensor_type; /* We use 0 and 1 here, too. */ u8 do_lcd_stop; u8 adj_colors; - - int brightness; - u16 exposure; - u32 gain; - u8 contrast; - u8 min_clockdiv; }; struct sensor_w_data { @@ -105,132 +104,6 @@ struct sensor_w_data { }; static void sd_stopN(struct gspca_dev *gspca_dev); -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_setexposure(struct gspca_dev *gspca_dev, __s32 val); -static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val); -static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val); -static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val); -static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val); -static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val); -static int sd_setmin_clockdiv(struct gspca_dev *gspca_dev, __s32 val); -static int sd_getmin_clockdiv(struct gspca_dev *gspca_dev, __s32 *val); -static void setbrightness(struct gspca_dev *gspca_dev); -static void setexposure(struct gspca_dev *gspca_dev); -static void setgain(struct gspca_dev *gspca_dev); -static void setcontrast(struct gspca_dev *gspca_dev); - -/* V4L2 controls supported by the driver */ -static const struct ctrl sd_ctrls[] = { -/* Separate brightness control description for Argus QuickClix as it has - * different limits from the other mr97310a cameras, and separate gain - * control for Sakar CyberPix camera. */ - { -#define NORM_BRIGHTNESS_IDX 0 - { - .id = V4L2_CID_BRIGHTNESS, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Brightness", - .minimum = -254, - .maximum = 255, - .step = 1, - .default_value = MR97310A_BRIGHTNESS_DEFAULT, - .flags = 0, - }, - .set = sd_setbrightness, - .get = sd_getbrightness, - }, - { -#define ARGUS_QC_BRIGHTNESS_IDX 1 - { - .id = V4L2_CID_BRIGHTNESS, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Brightness", - .minimum = 0, - .maximum = 15, - .step = 1, - .default_value = MR97310A_BRIGHTNESS_DEFAULT, - .flags = 0, - }, - .set = sd_setbrightness, - .get = sd_getbrightness, - }, - { -#define EXPOSURE_IDX 2 - { - .id = V4L2_CID_EXPOSURE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Exposure", - .minimum = MR97310A_EXPOSURE_MIN, - .maximum = MR97310A_EXPOSURE_MAX, - .step = 1, - .default_value = MR97310A_EXPOSURE_DEFAULT, - .flags = 0, - }, - .set = sd_setexposure, - .get = sd_getexposure, - }, - { -#define GAIN_IDX 3 - { - .id = V4L2_CID_GAIN, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Gain", - .minimum = MR97310A_GAIN_MIN, - .maximum = MR97310A_GAIN_MAX, - .step = 1, - .default_value = MR97310A_GAIN_DEFAULT, - .flags = 0, - }, - .set = sd_setgain, - .get = sd_getgain, - }, - { -#define SAKAR_CS_GAIN_IDX 4 - { - .id = V4L2_CID_GAIN, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Gain", - .minimum = MR97310A_CS_GAIN_MIN, - .maximum = MR97310A_CS_GAIN_MAX, - .step = 1, - .default_value = MR97310A_CS_GAIN_DEFAULT, - .flags = 0, - }, - .set = sd_setgain, - .get = sd_getgain, - }, - { -#define CONTRAST_IDX 5 - { - .id = V4L2_CID_CONTRAST, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Contrast", - .minimum = MR97310A_CONTRAST_MIN, - .maximum = MR97310A_CONTRAST_MAX, - .step = 1, - .default_value = MR97310A_CONTRAST_DEFAULT, - .flags = 0, - }, - .set = sd_setcontrast, - .get = sd_getcontrast, - }, - { -#define MIN_CLOCKDIV_IDX 6 - { - .id = V4L2_CID_PRIVATE_BASE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Minimum Clock Divider", - .minimum = MR97310A_MIN_CLOCKDIV_MIN, - .maximum = MR97310A_MIN_CLOCKDIV_MAX, - .step = 1, - .default_value = MR97310A_MIN_CLOCKDIV_DEFAULT, - .flags = 0, - }, - .set = sd_setmin_clockdiv, - .get = sd_getmin_clockdiv, - }, -}; static const struct v4l2_pix_format vga_mode[] = { {160, 120, V4L2_PIX_FMT_MR97310A, V4L2_FIELD_NONE, @@ -481,7 +354,6 @@ static int sd_config(struct gspca_dev *gspca_dev, { struct sd *sd = (struct sd *) gspca_dev; struct cam *cam; - int gain_default = MR97310A_GAIN_DEFAULT; int err_code; cam = &gspca_dev->cam; @@ -615,52 +487,6 @@ static int sd_config(struct gspca_dev *gspca_dev, sd->sensor_type); } - /* Setup controls depending on camera type */ - if (sd->cam_type == CAM_TYPE_CIF) { - /* No brightness for sensor_type 0 */ - if (sd->sensor_type == 0) - gspca_dev->ctrl_dis = (1 << NORM_BRIGHTNESS_IDX) | - (1 << ARGUS_QC_BRIGHTNESS_IDX) | - (1 << CONTRAST_IDX) | - (1 << SAKAR_CS_GAIN_IDX); - else - gspca_dev->ctrl_dis = (1 << ARGUS_QC_BRIGHTNESS_IDX) | - (1 << CONTRAST_IDX) | - (1 << SAKAR_CS_GAIN_IDX) | - (1 << MIN_CLOCKDIV_IDX); - } else { - /* All controls need to be disabled if VGA sensor_type is 0 */ - if (sd->sensor_type == 0) - gspca_dev->ctrl_dis = (1 << NORM_BRIGHTNESS_IDX) | - (1 << ARGUS_QC_BRIGHTNESS_IDX) | - (1 << EXPOSURE_IDX) | - (1 << GAIN_IDX) | - (1 << CONTRAST_IDX) | - (1 << SAKAR_CS_GAIN_IDX) | - (1 << MIN_CLOCKDIV_IDX); - else if (sd->sensor_type == 2) { - gspca_dev->ctrl_dis = (1 << NORM_BRIGHTNESS_IDX) | - (1 << ARGUS_QC_BRIGHTNESS_IDX) | - (1 << GAIN_IDX) | - (1 << MIN_CLOCKDIV_IDX); - gain_default = MR97310A_CS_GAIN_DEFAULT; - } else if (sd->do_lcd_stop) - /* Argus QuickClix has different brightness limits */ - gspca_dev->ctrl_dis = (1 << NORM_BRIGHTNESS_IDX) | - (1 << CONTRAST_IDX) | - (1 << SAKAR_CS_GAIN_IDX); - else - gspca_dev->ctrl_dis = (1 << ARGUS_QC_BRIGHTNESS_IDX) | - (1 << CONTRAST_IDX) | - (1 << SAKAR_CS_GAIN_IDX); - } - - sd->brightness = MR97310A_BRIGHTNESS_DEFAULT; - sd->exposure = MR97310A_EXPOSURE_DEFAULT; - sd->gain = gain_default; - sd->contrast = MR97310A_CONTRAST_DEFAULT; - sd->min_clockdiv = MR97310A_MIN_CLOCKDIV_DEFAULT; - return 0; } @@ -952,11 +778,6 @@ static int sd_start(struct gspca_dev *gspca_dev) if (err_code < 0) return err_code; - setbrightness(gspca_dev); - setcontrast(gspca_dev); - setexposure(gspca_dev); - setgain(gspca_dev); - return isoc_enable(gspca_dev); } @@ -971,37 +792,25 @@ static void sd_stopN(struct gspca_dev *gspca_dev) lcd_stop(gspca_dev); } -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; - u8 val; u8 sign_reg = 7; /* This reg and the next one used on CIF cams. */ u8 value_reg = 8; /* VGA cams seem to use regs 0x0b and 0x0c */ static const u8 quick_clix_table[] = /* 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 */ { 0, 4, 8, 12, 1, 2, 3, 5, 6, 9, 7, 10, 13, 11, 14, 15}; - /* - * This control is disabled for CIF type 1 and VGA type 0 cameras. - * It does not quite act linearly for the Argus QuickClix camera, - * but it does control brightness. The values are 0 - 15 only, and - * the table above makes them act consecutively. - */ - if ((gspca_dev->ctrl_dis & (1 << NORM_BRIGHTNESS_IDX)) && - (gspca_dev->ctrl_dis & (1 << ARGUS_QC_BRIGHTNESS_IDX))) - return; - if (sd->cam_type == CAM_TYPE_VGA) { sign_reg += 4; value_reg += 4; } /* Note register 7 is also seen as 0x8x or 0xCx in some dumps */ - if (sd->brightness > 0) { + if (val > 0) { sensor_write1(gspca_dev, sign_reg, 0x00); - val = sd->brightness; } else { sensor_write1(gspca_dev, sign_reg, 0x01); - val = (257 - sd->brightness); + val = 257 - val; } /* Use lookup table for funky Argus QuickClix brightness */ if (sd->do_lcd_stop) @@ -1010,23 +819,20 @@ static void setbrightness(struct gspca_dev *gspca_dev) sensor_write1(gspca_dev, value_reg, val); } -static void setexposure(struct gspca_dev *gspca_dev) +static void setexposure(struct gspca_dev *gspca_dev, s32 expo, s32 min_clockdiv) { struct sd *sd = (struct sd *) gspca_dev; int exposure = MR97310A_EXPOSURE_DEFAULT; u8 buf[2]; - if (gspca_dev->ctrl_dis & (1 << EXPOSURE_IDX)) - return; - if (sd->cam_type == CAM_TYPE_CIF && sd->sensor_type == 1) { /* This cam does not like exposure settings < 300, so scale 0 - 4095 to 300 - 4095 */ - exposure = (sd->exposure * 9267) / 10000 + 300; + exposure = (expo * 9267) / 10000 + 300; sensor_write1(gspca_dev, 3, exposure >> 4); sensor_write1(gspca_dev, 4, exposure & 0x0f); } else if (sd->sensor_type == 2) { - exposure = sd->exposure; + exposure = expo; exposure >>= 3; sensor_write1(gspca_dev, 3, exposure >> 8); sensor_write1(gspca_dev, 4, exposure & 0xff); @@ -1038,11 +844,11 @@ static void setexposure(struct gspca_dev *gspca_dev) Note our 0 - 4095 exposure is mapped to 0 - 511 milliseconds exposure time */ - u8 clockdiv = (60 * sd->exposure + 7999) / 8000; + u8 clockdiv = (60 * expo + 7999) / 8000; /* Limit framerate to not exceed usb bandwidth */ - if (clockdiv < sd->min_clockdiv && gspca_dev->width >= 320) - clockdiv = sd->min_clockdiv; + if (clockdiv < min_clockdiv && gspca_dev->width >= 320) + clockdiv = min_clockdiv; else if (clockdiv < 2) clockdiv = 2; @@ -1051,7 +857,7 @@ static void setexposure(struct gspca_dev *gspca_dev) /* Frame exposure time in ms = 1000 * clockdiv / 60 -> exposure = (sd->exposure / 8) * 511 / (1000 * clockdiv / 60) */ - exposure = (60 * 511 * sd->exposure) / (8000 * clockdiv); + exposure = (60 * 511 * expo) / (8000 * clockdiv); if (exposure > 511) exposure = 511; @@ -1065,125 +871,148 @@ static void setexposure(struct gspca_dev *gspca_dev) } } -static void setgain(struct gspca_dev *gspca_dev) +static void setgain(struct gspca_dev *gspca_dev, s32 val) { struct sd *sd = (struct sd *) gspca_dev; u8 gainreg; - if ((gspca_dev->ctrl_dis & (1 << GAIN_IDX)) && - (gspca_dev->ctrl_dis & (1 << SAKAR_CS_GAIN_IDX))) - return; - if (sd->cam_type == CAM_TYPE_CIF && sd->sensor_type == 1) - sensor_write1(gspca_dev, 0x0e, sd->gain); + sensor_write1(gspca_dev, 0x0e, val); else if (sd->cam_type == CAM_TYPE_VGA && sd->sensor_type == 2) for (gainreg = 0x0a; gainreg < 0x11; gainreg += 2) { - sensor_write1(gspca_dev, gainreg, sd->gain >> 8); - sensor_write1(gspca_dev, gainreg + 1, sd->gain & 0xff); + sensor_write1(gspca_dev, gainreg, val >> 8); + sensor_write1(gspca_dev, gainreg + 1, val & 0xff); } else - sensor_write1(gspca_dev, 0x10, sd->gain); -} - -static void setcontrast(struct gspca_dev *gspca_dev) -{ - struct sd *sd = (struct sd *) gspca_dev; - - if (gspca_dev->ctrl_dis & (1 << CONTRAST_IDX)) - return; - - sensor_write1(gspca_dev, 0x1c, sd->contrast); -} - - -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_setexposure(struct gspca_dev *gspca_dev, __s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - sd->exposure = val; - if (gspca_dev->streaming) - setexposure(gspca_dev); - return 0; + sensor_write1(gspca_dev, 0x10, val); } -static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val) +static void setcontrast(struct gspca_dev *gspca_dev, s32 val) { - struct sd *sd = (struct sd *) gspca_dev; - - *val = sd->exposure; - return 0; + sensor_write1(gspca_dev, 0x1c, val); } -static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val) +static int sd_s_ctrl(struct v4l2_ctrl *ctrl) { - struct sd *sd = (struct sd *) gspca_dev; + struct gspca_dev *gspca_dev = + container_of(ctrl->handler, struct gspca_dev, ctrl_handler); + struct sd *sd = (struct sd *)gspca_dev; - sd->gain = val; - if (gspca_dev->streaming) - setgain(gspca_dev); - return 0; -} + gspca_dev->usb_err = 0; -static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - *val = sd->gain; - return 0; -} + if (!gspca_dev->streaming) + return 0; -static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - sd->contrast = val; - if (gspca_dev->streaming) - setcontrast(gspca_dev); - 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_EXPOSURE: + setexposure(gspca_dev, sd->exposure->val, + sd->min_clockdiv ? sd->min_clockdiv->val : 0); + break; + case V4L2_CID_GAIN: + setgain(gspca_dev, ctrl->val); + break; + } + return gspca_dev->usb_err; } +static const struct v4l2_ctrl_ops sd_ctrl_ops = { + .s_ctrl = sd_s_ctrl, +}; -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_setmin_clockdiv(struct gspca_dev *gspca_dev, __s32 val) +static int sd_init_controls(struct gspca_dev *gspca_dev) { - struct sd *sd = (struct sd *) gspca_dev; + struct sd *sd = (struct sd *)gspca_dev; + struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler; + static const struct v4l2_ctrl_config clockdiv = { + .ops = &sd_ctrl_ops, + .id = MR97310A_CID_CLOCKDIV, + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Minimum Clock Divider", + .min = MR97310A_MIN_CLOCKDIV_MIN, + .max = MR97310A_MIN_CLOCKDIV_MAX, + .step = 1, + .def = MR97310A_MIN_CLOCKDIV_DEFAULT, + }; + bool has_brightness = false; + bool has_argus_brightness = false; + bool has_contrast = false; + bool has_gain = false; + bool has_cs_gain = false; + bool has_exposure = false; + bool has_clockdiv = false; - sd->min_clockdiv = val; - if (gspca_dev->streaming) - setexposure(gspca_dev); - return 0; -} + gspca_dev->vdev.ctrl_handler = hdl; + v4l2_ctrl_handler_init(hdl, 4); -static int sd_getmin_clockdiv(struct gspca_dev *gspca_dev, __s32 *val) -{ - struct sd *sd = (struct sd *) gspca_dev; + /* Setup controls depending on camera type */ + if (sd->cam_type == CAM_TYPE_CIF) { + /* No brightness for sensor_type 0 */ + if (sd->sensor_type == 0) + has_exposure = has_gain = has_clockdiv = true; + else + has_exposure = has_gain = has_brightness = true; + } else { + /* All controls need to be disabled if VGA sensor_type is 0 */ + if (sd->sensor_type == 0) + ; /* no controls! */ + else if (sd->sensor_type == 2) + has_exposure = has_cs_gain = has_contrast = true; + else if (sd->do_lcd_stop) + has_exposure = has_gain = has_argus_brightness = + has_clockdiv = true; + else + has_exposure = has_gain = has_brightness = + has_clockdiv = true; + } - *val = sd->min_clockdiv; + /* Separate brightness control description for Argus QuickClix as it has + * different limits from the other mr97310a cameras, and separate gain + * control for Sakar CyberPix camera. */ + /* + * This control is disabled for CIF type 1 and VGA type 0 cameras. + * It does not quite act linearly for the Argus QuickClix camera, + * but it does control brightness. The values are 0 - 15 only, and + * the table above makes them act consecutively. + */ + if (has_brightness) + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_BRIGHTNESS, -254, 255, 1, + MR97310A_BRIGHTNESS_DEFAULT); + else if (has_argus_brightness) + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_BRIGHTNESS, 0, 15, 1, + MR97310A_BRIGHTNESS_DEFAULT); + if (has_contrast) + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_CONTRAST, MR97310A_CONTRAST_MIN, + MR97310A_CONTRAST_MAX, 1, MR97310A_CONTRAST_DEFAULT); + if (has_gain) + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_GAIN, MR97310A_GAIN_MIN, MR97310A_GAIN_MAX, + 1, MR97310A_GAIN_DEFAULT); + else if (has_cs_gain) + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, V4L2_CID_GAIN, + MR97310A_CS_GAIN_MIN, MR97310A_CS_GAIN_MAX, + 1, MR97310A_CS_GAIN_DEFAULT); + if (has_exposure) + sd->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_EXPOSURE, MR97310A_EXPOSURE_MIN, + MR97310A_EXPOSURE_MAX, 1, MR97310A_EXPOSURE_DEFAULT); + if (has_clockdiv) + sd->min_clockdiv = v4l2_ctrl_new_custom(hdl, &clockdiv, NULL); + + if (hdl->error) { + pr_err("Could not initialize controls\n"); + return hdl->error; + } + if (has_exposure && has_clockdiv) + v4l2_ctrl_cluster(2, &sd->exposure); return 0; } @@ -1221,10 +1050,9 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, /* 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, @@ -1256,6 +1084,7 @@ static struct usb_driver sd_driver = { #ifdef CONFIG_PM .suspend = gspca_suspend, .resume = gspca_resume, + .reset_resume = gspca_resume, #endif }; |