diff options
Diffstat (limited to 'drivers/media/video/gspca/spca561.c')
| -rw-r--r-- | drivers/media/video/gspca/spca561.c | 393 |
1 files changed, 110 insertions, 283 deletions
diff --git a/drivers/media/video/gspca/spca561.c b/drivers/media/video/gspca/spca561.c index 4a5f209ce719..cfe71dd6747d 100644 --- a/drivers/media/video/gspca/spca561.c +++ b/drivers/media/video/gspca/spca561.c @@ -31,39 +31,17 @@ MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>"); MODULE_DESCRIPTION("GSPCA/SPCA561 USB Camera Driver"); MODULE_LICENSE("GPL"); +#define EXPOSURE_MAX (2047 + 325) + /* specific webcam descriptor */ struct sd { struct gspca_dev gspca_dev; /* !! must be the first item */ - __u16 exposure; /* rev12a only */ -#define EXPOSURE_MIN 1 -#define EXPOSURE_DEF 700 /* == 10 fps */ -#define EXPOSURE_MAX (2047 + 325) /* see setexposure */ - - __u8 contrast; /* rev72a only */ -#define CONTRAST_MIN 0x00 -#define CONTRAST_DEF 0x20 -#define CONTRAST_MAX 0x3f - - __u8 brightness; /* rev72a only */ -#define BRIGHTNESS_MIN 0 -#define BRIGHTNESS_DEF 0x20 -#define BRIGHTNESS_MAX 0x3f - - __u8 white; -#define HUE_MIN 1 -#define HUE_DEF 0x40 -#define HUE_MAX 0x7f - - __u8 autogain; -#define AUTOGAIN_MIN 0 -#define AUTOGAIN_DEF 1 -#define AUTOGAIN_MAX 1 - - __u8 gain; /* rev12a only */ -#define GAIN_MIN 0 -#define GAIN_DEF 63 -#define GAIN_MAX 255 + struct { /* hue/contrast control cluster */ + struct v4l2_ctrl *contrast; + struct v4l2_ctrl *hue; + }; + struct v4l2_ctrl *autogain; #define EXPO12A_DEF 3 __u8 expo12a; /* expo/gain? for rev 12a */ @@ -461,12 +439,6 @@ static int sd_config(struct gspca_dev *gspca_dev, cam->cam_mode = sif_072a_mode; cam->nmodes = ARRAY_SIZE(sif_072a_mode); } - sd->brightness = BRIGHTNESS_DEF; - sd->contrast = CONTRAST_DEF; - sd->white = HUE_DEF; - sd->exposure = EXPOSURE_DEF; - sd->autogain = AUTOGAIN_DEF; - sd->gain = GAIN_DEF; sd->expo12a = EXPO12A_DEF; return 0; } @@ -491,66 +463,49 @@ static int sd_init_72a(struct gspca_dev *gspca_dev) return 0; } -/* rev 72a only */ -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; struct usb_device *dev = gspca_dev->dev; - __u8 value; + __u16 reg; - value = sd->brightness; + if (sd->chip_revision == Rev012A) + reg = 0x8610; + else + reg = 0x8611; - /* offsets for white balance */ - reg_w_val(dev, 0x8611, value); /* R */ - reg_w_val(dev, 0x8612, value); /* Gr */ - reg_w_val(dev, 0x8613, value); /* B */ - reg_w_val(dev, 0x8614, value); /* Gb */ + reg_w_val(dev, reg + 0, val); /* R */ + reg_w_val(dev, reg + 1, val); /* Gr */ + reg_w_val(dev, reg + 2, val); /* B */ + reg_w_val(dev, reg + 3, val); /* Gb */ } -static void setwhite(struct gspca_dev *gspca_dev) +static void setwhite(struct gspca_dev *gspca_dev, s32 white, s32 contrast) { struct sd *sd = (struct sd *) gspca_dev; - __u16 white; + struct usb_device *dev = gspca_dev->dev; __u8 blue, red; __u16 reg; /* try to emulate MS-win as possible */ - white = sd->white; red = 0x20 + white * 3 / 8; blue = 0x90 - white * 5 / 8; if (sd->chip_revision == Rev012A) { reg = 0x8614; } else { reg = 0x8651; - red += sd->contrast - 0x20; - blue += sd->contrast - 0x20; + red += contrast - 0x20; + blue += contrast - 0x20; + reg_w_val(dev, 0x8652, contrast + 0x20); /* Gr */ + reg_w_val(dev, 0x8654, contrast + 0x20); /* Gb */ } - reg_w_val(gspca_dev->dev, reg, red); - reg_w_val(gspca_dev->dev, reg + 2, blue); -} - -static void setcontrast(struct gspca_dev *gspca_dev) -{ - struct sd *sd = (struct sd *) gspca_dev; - struct usb_device *dev = gspca_dev->dev; - __u8 value; - - if (sd->chip_revision != Rev072A) - return; - value = sd->contrast + 0x20; - - /* gains for white balance */ - setwhite(gspca_dev); -/* reg_w_val(dev, 0x8651, value); * R - done by setwhite */ - reg_w_val(dev, 0x8652, value); /* Gr */ -/* reg_w_val(dev, 0x8653, value); * B - done by setwhite */ - reg_w_val(dev, 0x8654, value); /* Gb */ + reg_w_val(dev, reg, red); + reg_w_val(dev, reg + 2, blue); } /* rev 12a only */ -static void setexposure(struct gspca_dev *gspca_dev) +static void setexposure(struct gspca_dev *gspca_dev, s32 val) { - struct sd *sd = (struct sd *) gspca_dev; int i, expo = 0; /* Register 0x8309 controls exposure for the spca561, @@ -572,8 +527,8 @@ static void setexposure(struct gspca_dev *gspca_dev) int table[] = { 0, 450, 550, 625, EXPOSURE_MAX }; for (i = 0; i < ARRAY_SIZE(table) - 1; i++) { - if (sd->exposure <= table[i + 1]) { - expo = sd->exposure - table[i]; + if (val <= table[i + 1]) { + expo = val - table[i]; if (i) expo += 300; expo |= i << 11; @@ -587,29 +542,27 @@ static void setexposure(struct gspca_dev *gspca_dev) } /* rev 12a only */ -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; - /* gain reg low 6 bits 0-63 gain, bit 6 and 7, both double the sensitivity when set, so 31 + one of them set == 63, and 15 with both of them set == 63 */ - if (sd->gain < 64) - gspca_dev->usb_buf[0] = sd->gain; - else if (sd->gain < 128) - gspca_dev->usb_buf[0] = (sd->gain / 2) | 0x40; + if (val < 64) + gspca_dev->usb_buf[0] = val; + else if (val < 128) + gspca_dev->usb_buf[0] = (val / 2) | 0x40; else - gspca_dev->usb_buf[0] = (sd->gain / 4) | 0xc0; + gspca_dev->usb_buf[0] = (val / 4) | 0xc0; gspca_dev->usb_buf[1] = 0; reg_w_buf(gspca_dev, 0x8335, 2); } -static void setautogain(struct gspca_dev *gspca_dev) +static void setautogain(struct gspca_dev *gspca_dev, s32 val) { struct sd *sd = (struct sd *) gspca_dev; - if (sd->autogain) + if (val) sd->ag_cnt = AG_CNT_START; else sd->ag_cnt = -1; @@ -644,9 +597,6 @@ static int sd_start_12a(struct gspca_dev *gspca_dev) memcpy(gspca_dev->usb_buf, Reg8391, 8); reg_w_buf(gspca_dev, 0x8391, 8); reg_w_buf(gspca_dev, 0x8390, 8); - setwhite(gspca_dev); - setgain(gspca_dev); - setexposure(gspca_dev); /* Led ON (bit 3 -> 0 */ reg_w_val(gspca_dev->dev, 0x8114, 0x00); @@ -654,6 +604,7 @@ static int sd_start_12a(struct gspca_dev *gspca_dev) } static int sd_start_72a(struct gspca_dev *gspca_dev) { + struct sd *sd = (struct sd *) gspca_dev; struct usb_device *dev = gspca_dev->dev; int Clck; int mode; @@ -683,9 +634,10 @@ static int sd_start_72a(struct gspca_dev *gspca_dev) reg_w_val(dev, 0x8702, 0x81); reg_w_val(dev, 0x8500, mode); /* mode */ write_sensor_72a(gspca_dev, rev72a_init_sensor2); - setcontrast(gspca_dev); + setwhite(gspca_dev, v4l2_ctrl_g_ctrl(sd->hue), + v4l2_ctrl_g_ctrl(sd->contrast)); /* setbrightness(gspca_dev); * fixme: bad values */ - setautogain(gspca_dev); + setautogain(gspca_dev, v4l2_ctrl_g_ctrl(sd->autogain)); reg_w_val(dev, 0x8112, 0x10 | 0x20); return 0; } @@ -819,221 +771,96 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, gspca_frame_add(gspca_dev, INTER_PACKET, data, len); } -/* rev 72a only */ -static int sd_setbrightness(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->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; -} - -/* rev 72a only */ -static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; + gspca_dev->usb_err = 0; - 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_setautogain(struct gspca_dev *gspca_dev, __s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; + if (!gspca_dev->streaming) + return 0; - sd->autogain = val; - if (gspca_dev->streaming) - setautogain(gspca_dev); - return 0; -} - -static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - *val = sd->autogain; - return 0; -} - -static int sd_setwhite(struct gspca_dev *gspca_dev, __s32 val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - sd->white = val; - if (gspca_dev->streaming) - setwhite(gspca_dev); - return 0; + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + setbrightness(gspca_dev, ctrl->val); + break; + case V4L2_CID_CONTRAST: + /* hue/contrast control cluster for 72a */ + setwhite(gspca_dev, sd->hue->val, ctrl->val); + break; + case V4L2_CID_HUE: + /* just plain hue control for 12a */ + setwhite(gspca_dev, ctrl->val, 0); + break; + case V4L2_CID_EXPOSURE: + setexposure(gspca_dev, ctrl->val); + break; + case V4L2_CID_GAIN: + setgain(gspca_dev, ctrl->val); + break; + case V4L2_CID_AUTOGAIN: + setautogain(gspca_dev, ctrl->val); + break; + } + return gspca_dev->usb_err; } -static int sd_getwhite(struct gspca_dev *gspca_dev, __s32 *val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - *val = sd->white; - return 0; -} +static const struct v4l2_ctrl_ops sd_ctrl_ops = { + .s_ctrl = sd_s_ctrl, +}; -/* rev12a only */ -static int sd_setexposure(struct gspca_dev *gspca_dev, __s32 val) +static int sd_init_controls_12a(struct gspca_dev *gspca_dev) { - struct sd *sd = (struct sd *) gspca_dev; + struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler; - sd->exposure = val; - if (gspca_dev->streaming) - setexposure(gspca_dev); - return 0; -} + gspca_dev->vdev.ctrl_handler = hdl; + v4l2_ctrl_handler_init(hdl, 3); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_HUE, 1, 0x7f, 1, 0x40); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_BRIGHTNESS, -128, 127, 1, 0); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_EXPOSURE, 1, EXPOSURE_MAX, 1, 700); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_GAIN, 0, 255, 1, 63); -static int sd_getexposure(struct gspca_dev *gspca_dev, __s32 *val) -{ - struct sd *sd = (struct sd *) gspca_dev; - - *val = sd->exposure; + if (hdl->error) { + pr_err("Could not initialize controls\n"); + return hdl->error; + } return 0; } -/* rev12a only */ -static int sd_setgain(struct gspca_dev *gspca_dev, __s32 val) +static int sd_init_controls_72a(struct gspca_dev *gspca_dev) { - struct sd *sd = (struct sd *) gspca_dev; - - sd->gain = val; - if (gspca_dev->streaming) - setgain(gspca_dev); - return 0; -} + struct sd *sd = (struct sd *)gspca_dev; + struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler; -static int sd_getgain(struct gspca_dev *gspca_dev, __s32 *val) -{ - struct sd *sd = (struct sd *) gspca_dev; + gspca_dev->vdev.ctrl_handler = hdl; + v4l2_ctrl_handler_init(hdl, 4); + sd->contrast = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_CONTRAST, 0, 0x3f, 1, 0x20); + sd->hue = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_HUE, 1, 0x7f, 1, 0x40); + v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_BRIGHTNESS, 0, 0x3f, 1, 0x20); + sd->autogain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops, + V4L2_CID_AUTOGAIN, 0, 1, 1, 1); - *val = sd->gain; + if (hdl->error) { + pr_err("Could not initialize controls\n"); + return hdl->error; + } + v4l2_ctrl_cluster(2, &sd->contrast); return 0; } -/* control tables */ -static const struct ctrl sd_ctrls_12a[] = { - { - { - .id = V4L2_CID_HUE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Hue", - .minimum = HUE_MIN, - .maximum = HUE_MAX, - .step = 1, - .default_value = HUE_DEF, - }, - .set = sd_setwhite, - .get = sd_getwhite, - }, - { - { - .id = V4L2_CID_EXPOSURE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Exposure", - .minimum = EXPOSURE_MIN, - .maximum = EXPOSURE_MAX, - .step = 1, - .default_value = EXPOSURE_DEF, - }, - .set = sd_setexposure, - .get = sd_getexposure, - }, - { - { - .id = V4L2_CID_GAIN, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Gain", - .minimum = GAIN_MIN, - .maximum = GAIN_MAX, - .step = 1, - .default_value = GAIN_DEF, - }, - .set = sd_setgain, - .get = sd_getgain, - }, -}; - -static const struct ctrl sd_ctrls_72a[] = { - { - { - .id = V4L2_CID_HUE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Hue", - .minimum = HUE_MIN, - .maximum = HUE_MAX, - .step = 1, - .default_value = HUE_DEF, - }, - .set = sd_setwhite, - .get = sd_getwhite, - }, - { - { - .id = V4L2_CID_BRIGHTNESS, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Brightness", - .minimum = BRIGHTNESS_MIN, - .maximum = BRIGHTNESS_MAX, - .step = 1, - .default_value = BRIGHTNESS_DEF, - }, - .set = sd_setbrightness, - .get = sd_getbrightness, - }, - { - { - .id = V4L2_CID_CONTRAST, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Contrast", - .minimum = CONTRAST_MIN, - .maximum = CONTRAST_MAX, - .step = 1, - .default_value = CONTRAST_DEF, - }, - .set = sd_setcontrast, - .get = sd_getcontrast, - }, - { - { - .id = V4L2_CID_AUTOGAIN, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Auto Gain", - .minimum = AUTOGAIN_MIN, - .maximum = AUTOGAIN_MAX, - .step = 1, - .default_value = AUTOGAIN_DEF, - }, - .set = sd_setautogain, - .get = sd_getautogain, - }, -}; - /* sub-driver description */ static const struct sd_desc sd_desc_12a = { .name = MODULE_NAME, - .ctrls = sd_ctrls_12a, - .nctrls = ARRAY_SIZE(sd_ctrls_12a), + .init_controls = sd_init_controls_12a, .config = sd_config, .init = sd_init_12a, .start = sd_start_12a, @@ -1045,8 +872,7 @@ static const struct sd_desc sd_desc_12a = { }; static const struct sd_desc sd_desc_72a = { .name = MODULE_NAME, - .ctrls = sd_ctrls_72a, - .nctrls = ARRAY_SIZE(sd_ctrls_72a), + .init_controls = sd_init_controls_72a, .config = sd_config, .init = sd_init_72a, .start = sd_start_72a, @@ -1103,6 +929,7 @@ static struct usb_driver sd_driver = { #ifdef CONFIG_PM .suspend = gspca_suspend, .resume = gspca_resume, + .reset_resume = gspca_resume, #endif }; |