diff options
Diffstat (limited to 'drivers/media/video/pwc/pwc-v4l.c')
| -rw-r--r-- | drivers/media/video/pwc/pwc-v4l.c | 1257 |
1 files changed, 737 insertions, 520 deletions
diff --git a/drivers/media/video/pwc/pwc-v4l.c b/drivers/media/video/pwc/pwc-v4l.c index f85c51249c7..8c70e64444e 100644 --- a/drivers/media/video/pwc/pwc-v4l.c +++ b/drivers/media/video/pwc/pwc-v4l.c @@ -2,6 +2,7 @@ USB and Video4Linux interface part. (C) 1999-2004 Nemosoft Unv. (C) 2004-2006 Luc Saillard (luc@saillard.org) + (C) 2011 Hans de Goede <hdegoede@redhat.com> NOTE: this version of pwc is an unofficial (modified) release of pwc & pcwx driver and thus may have bugs that are not present in the original version. @@ -31,184 +32,330 @@ #include <linux/module.h> #include <linux/poll.h> #include <linux/vmalloc.h> +#include <linux/jiffies.h> #include <asm/io.h> #include "pwc.h" -static struct v4l2_queryctrl pwc_controls[] = { - { - .id = V4L2_CID_BRIGHTNESS, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Brightness", - .minimum = 0, - .maximum = 128, - .step = 1, - .default_value = 64, - }, - { - .id = V4L2_CID_CONTRAST, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Contrast", - .minimum = 0, - .maximum = 64, - .step = 1, - .default_value = 0, - }, - { - .id = V4L2_CID_SATURATION, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Saturation", - .minimum = -100, - .maximum = 100, - .step = 1, - .default_value = 0, - }, - { - .id = V4L2_CID_GAMMA, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Gamma", - .minimum = 0, - .maximum = 32, - .step = 1, - .default_value = 0, - }, - { - .id = V4L2_CID_RED_BALANCE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Red Gain", - .minimum = 0, - .maximum = 256, - .step = 1, - .default_value = 0, - }, - { - .id = V4L2_CID_BLUE_BALANCE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Blue Gain", - .minimum = 0, - .maximum = 256, - .step = 1, - .default_value = 0, - }, - { - .id = V4L2_CID_AUTO_WHITE_BALANCE, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Auto White Balance", - .minimum = 0, - .maximum = 1, - .step = 1, - .default_value = 0, - }, - { - .id = V4L2_CID_EXPOSURE, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Shutter Speed (Exposure)", - .minimum = 0, - .maximum = 256, - .step = 1, - .default_value = 200, - }, - { - .id = V4L2_CID_AUTOGAIN, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Auto Gain Enabled", - .minimum = 0, - .maximum = 1, - .step = 1, - .default_value = 1, - }, - { - .id = V4L2_CID_GAIN, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Gain Level", - .minimum = 0, - .maximum = 256, - .step = 1, - .default_value = 0, - }, - { - .id = V4L2_CID_PRIVATE_SAVE_USER, - .type = V4L2_CTRL_TYPE_BUTTON, - .name = "Save User Settings", - .minimum = 0, - .maximum = 0, - .step = 0, - .default_value = 0, - }, - { - .id = V4L2_CID_PRIVATE_RESTORE_USER, - .type = V4L2_CTRL_TYPE_BUTTON, - .name = "Restore User Settings", - .minimum = 0, - .maximum = 0, - .step = 0, - .default_value = 0, - }, - { - .id = V4L2_CID_PRIVATE_RESTORE_FACTORY, - .type = V4L2_CTRL_TYPE_BUTTON, - .name = "Restore Factory Settings", - .minimum = 0, - .maximum = 0, - .step = 0, - .default_value = 0, - }, - { - .id = V4L2_CID_PRIVATE_COLOUR_MODE, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Colour mode", - .minimum = 0, - .maximum = 1, - .step = 1, - .default_value = 0, - }, - { - .id = V4L2_CID_PRIVATE_AUTOCONTOUR, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Auto contour", - .minimum = 0, - .maximum = 1, - .step = 1, - .default_value = 0, - }, - { - .id = V4L2_CID_PRIVATE_CONTOUR, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Contour", - .minimum = 0, - .maximum = 63, - .step = 1, - .default_value = 0, - }, - { - .id = V4L2_CID_PRIVATE_BACKLIGHT, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Backlight compensation", - .minimum = 0, - .maximum = 1, - .step = 1, - .default_value = 0, - }, - { - .id = V4L2_CID_PRIVATE_FLICKERLESS, - .type = V4L2_CTRL_TYPE_BOOLEAN, - .name = "Flickerless", - .minimum = 0, - .maximum = 1, - .step = 1, - .default_value = 0, - }, - { - .id = V4L2_CID_PRIVATE_NOISE_REDUCTION, - .type = V4L2_CTRL_TYPE_INTEGER, - .name = "Noise reduction", - .minimum = 0, - .maximum = 3, - .step = 1, - .default_value = 0, - }, +#define PWC_CID_CUSTOM(ctrl) ((V4L2_CID_USER_BASE | 0xf000) + custom_ ## ctrl) + +static int pwc_g_volatile_ctrl(struct v4l2_ctrl *ctrl); +static int pwc_s_ctrl(struct v4l2_ctrl *ctrl); + +static const struct v4l2_ctrl_ops pwc_ctrl_ops = { + .g_volatile_ctrl = pwc_g_volatile_ctrl, + .s_ctrl = pwc_s_ctrl, +}; + +enum { awb_indoor, awb_outdoor, awb_fl, awb_manual, awb_auto }; +enum { custom_autocontour, custom_contour, custom_noise_reduction, + custom_save_user, custom_restore_user, custom_restore_factory }; + +const char * const pwc_auto_whitebal_qmenu[] = { + "Indoor (Incandescant Lighting) Mode", + "Outdoor (Sunlight) Mode", + "Indoor (Fluorescent Lighting) Mode", + "Manual Mode", + "Auto Mode", + NULL +}; + +static const struct v4l2_ctrl_config pwc_auto_white_balance_cfg = { + .ops = &pwc_ctrl_ops, + .id = V4L2_CID_AUTO_WHITE_BALANCE, + .type = V4L2_CTRL_TYPE_MENU, + .max = awb_auto, + .qmenu = pwc_auto_whitebal_qmenu, +}; + +static const struct v4l2_ctrl_config pwc_autocontour_cfg = { + .ops = &pwc_ctrl_ops, + .id = PWC_CID_CUSTOM(autocontour), + .type = V4L2_CTRL_TYPE_BOOLEAN, + .name = "Auto contour", + .min = 0, + .max = 1, + .step = 1, +}; + +static const struct v4l2_ctrl_config pwc_contour_cfg = { + .ops = &pwc_ctrl_ops, + .id = PWC_CID_CUSTOM(contour), + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Contour", + .min = 0, + .max = 63, + .step = 1, +}; + +static const struct v4l2_ctrl_config pwc_backlight_cfg = { + .ops = &pwc_ctrl_ops, + .id = V4L2_CID_BACKLIGHT_COMPENSATION, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .min = 0, + .max = 1, + .step = 1, +}; + +static const struct v4l2_ctrl_config pwc_flicker_cfg = { + .ops = &pwc_ctrl_ops, + .id = V4L2_CID_BAND_STOP_FILTER, + .type = V4L2_CTRL_TYPE_BOOLEAN, + .min = 0, + .max = 1, + .step = 1, +}; + +static const struct v4l2_ctrl_config pwc_noise_reduction_cfg = { + .ops = &pwc_ctrl_ops, + .id = PWC_CID_CUSTOM(noise_reduction), + .type = V4L2_CTRL_TYPE_INTEGER, + .name = "Dynamic Noise Reduction", + .min = 0, + .max = 3, + .step = 1, +}; + +static const struct v4l2_ctrl_config pwc_save_user_cfg = { + .ops = &pwc_ctrl_ops, + .id = PWC_CID_CUSTOM(save_user), + .type = V4L2_CTRL_TYPE_BUTTON, + .name = "Save User Settings", }; +static const struct v4l2_ctrl_config pwc_restore_user_cfg = { + .ops = &pwc_ctrl_ops, + .id = PWC_CID_CUSTOM(restore_user), + .type = V4L2_CTRL_TYPE_BUTTON, + .name = "Restore User Settings", +}; + +static const struct v4l2_ctrl_config pwc_restore_factory_cfg = { + .ops = &pwc_ctrl_ops, + .id = PWC_CID_CUSTOM(restore_factory), + .type = V4L2_CTRL_TYPE_BUTTON, + .name = "Restore Factory Settings", +}; + +int pwc_init_controls(struct pwc_device *pdev) +{ + struct v4l2_ctrl_handler *hdl; + struct v4l2_ctrl_config cfg; + int r, def; + + hdl = &pdev->ctrl_handler; + r = v4l2_ctrl_handler_init(hdl, 20); + if (r) + return r; + + /* Brightness, contrast, saturation, gamma */ + r = pwc_get_u8_ctrl(pdev, GET_LUM_CTL, BRIGHTNESS_FORMATTER, &def); + if (r || def > 127) + def = 63; + pdev->brightness = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops, + V4L2_CID_BRIGHTNESS, 0, 127, 1, def); + + r = pwc_get_u8_ctrl(pdev, GET_LUM_CTL, CONTRAST_FORMATTER, &def); + if (r || def > 63) + def = 31; + pdev->contrast = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops, + V4L2_CID_CONTRAST, 0, 63, 1, def); + + if (pdev->type >= 675) { + if (pdev->type < 730) + pdev->saturation_fmt = SATURATION_MODE_FORMATTER2; + else + pdev->saturation_fmt = SATURATION_MODE_FORMATTER1; + r = pwc_get_s8_ctrl(pdev, GET_CHROM_CTL, pdev->saturation_fmt, + &def); + if (r || def < -100 || def > 100) + def = 0; + pdev->saturation = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops, + V4L2_CID_SATURATION, -100, 100, 1, def); + } + + r = pwc_get_u8_ctrl(pdev, GET_LUM_CTL, GAMMA_FORMATTER, &def); + if (r || def > 31) + def = 15; + pdev->gamma = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops, + V4L2_CID_GAMMA, 0, 31, 1, def); + + /* auto white balance, red gain, blue gain */ + r = pwc_get_u8_ctrl(pdev, GET_CHROM_CTL, WB_MODE_FORMATTER, &def); + if (r || def > awb_auto) + def = awb_auto; + cfg = pwc_auto_white_balance_cfg; + cfg.name = v4l2_ctrl_get_name(cfg.id); + cfg.def = def; + pdev->auto_white_balance = v4l2_ctrl_new_custom(hdl, &cfg, NULL); + /* check auto controls to avoid NULL deref in v4l2_ctrl_auto_cluster */ + if (!pdev->auto_white_balance) + return hdl->error; + + r = pwc_get_u8_ctrl(pdev, GET_CHROM_CTL, + PRESET_MANUAL_RED_GAIN_FORMATTER, &def); + if (r) + def = 127; + pdev->red_balance = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops, + V4L2_CID_RED_BALANCE, 0, 255, 1, def); + + r = pwc_get_u8_ctrl(pdev, GET_CHROM_CTL, + PRESET_MANUAL_BLUE_GAIN_FORMATTER, &def); + if (r) + def = 127; + pdev->blue_balance = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops, + V4L2_CID_BLUE_BALANCE, 0, 255, 1, def); + + v4l2_ctrl_auto_cluster(3, &pdev->auto_white_balance, awb_manual, + pdev->auto_white_balance->cur.val == awb_auto); + + /* autogain, gain */ + r = pwc_get_u8_ctrl(pdev, GET_LUM_CTL, AGC_MODE_FORMATTER, &def); + if (r || (def != 0 && def != 0xff)) + def = 0; + /* Note a register value if 0 means auto gain is on */ + pdev->autogain = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops, + V4L2_CID_AUTOGAIN, 0, 1, 1, def == 0); + if (!pdev->autogain) + return hdl->error; + + r = pwc_get_u8_ctrl(pdev, GET_LUM_CTL, PRESET_AGC_FORMATTER, &def); + if (r || def > 63) + def = 31; + pdev->gain = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops, + V4L2_CID_GAIN, 0, 63, 1, def); + + /* auto exposure, exposure */ + if (DEVICE_USE_CODEC2(pdev->type)) { + r = pwc_get_u8_ctrl(pdev, GET_LUM_CTL, SHUTTER_MODE_FORMATTER, + &def); + if (r || (def != 0 && def != 0xff)) + def = 0; + /* + * def = 0 auto, def = ff manual + * menu idx 0 = auto, idx 1 = manual + */ + pdev->exposure_auto = v4l2_ctrl_new_std_menu(hdl, + &pwc_ctrl_ops, + V4L2_CID_EXPOSURE_AUTO, + 1, 0, def != 0); + if (!pdev->exposure_auto) + return hdl->error; + + /* GET_LUM_CTL, PRESET_SHUTTER_FORMATTER is unreliable */ + r = pwc_get_u16_ctrl(pdev, GET_STATUS_CTL, + READ_SHUTTER_FORMATTER, &def); + if (r || def > 655) + def = 655; + pdev->exposure = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops, + V4L2_CID_EXPOSURE, 0, 655, 1, def); + /* CODEC2: separate auto gain & auto exposure */ + v4l2_ctrl_auto_cluster(2, &pdev->autogain, 0, true); + v4l2_ctrl_auto_cluster(2, &pdev->exposure_auto, + V4L2_EXPOSURE_MANUAL, true); + } else if (DEVICE_USE_CODEC3(pdev->type)) { + /* GET_LUM_CTL, PRESET_SHUTTER_FORMATTER is unreliable */ + r = pwc_get_u16_ctrl(pdev, GET_STATUS_CTL, + READ_SHUTTER_FORMATTER, &def); + if (r || def > 255) + def = 255; + pdev->exposure = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops, + V4L2_CID_EXPOSURE, 0, 255, 1, def); + /* CODEC3: both gain and exposure controlled by autogain */ + pdev->autogain_expo_cluster[0] = pdev->autogain; + pdev->autogain_expo_cluster[1] = pdev->gain; + pdev->autogain_expo_cluster[2] = pdev->exposure; + v4l2_ctrl_auto_cluster(3, pdev->autogain_expo_cluster, + 0, true); + } + + /* color / bw setting */ + r = pwc_get_u8_ctrl(pdev, GET_CHROM_CTL, COLOUR_MODE_FORMATTER, + &def); + if (r || (def != 0 && def != 0xff)) + def = 0xff; + /* def = 0 bw, def = ff color, menu idx 0 = color, idx 1 = bw */ + pdev->colorfx = v4l2_ctrl_new_std_menu(hdl, &pwc_ctrl_ops, + V4L2_CID_COLORFX, 1, 0, def == 0); + + /* autocontour, contour */ + r = pwc_get_u8_ctrl(pdev, GET_LUM_CTL, AUTO_CONTOUR_FORMATTER, &def); + if (r || (def != 0 && def != 0xff)) + def = 0; + cfg = pwc_autocontour_cfg; + cfg.def = def == 0; + pdev->autocontour = v4l2_ctrl_new_custom(hdl, &cfg, NULL); + if (!pdev->autocontour) + return hdl->error; + + r = pwc_get_u8_ctrl(pdev, GET_LUM_CTL, PRESET_CONTOUR_FORMATTER, &def); + if (r || def > 63) + def = 31; + cfg = pwc_contour_cfg; + cfg.def = def; + pdev->contour = v4l2_ctrl_new_custom(hdl, &cfg, NULL); + + v4l2_ctrl_auto_cluster(2, &pdev->autocontour, 0, false); + + /* backlight */ + r = pwc_get_u8_ctrl(pdev, GET_LUM_CTL, + BACK_LIGHT_COMPENSATION_FORMATTER, &def); + if (r || (def != 0 && def != 0xff)) + def = 0; + cfg = pwc_backlight_cfg; + cfg.name = v4l2_ctrl_get_name(cfg.id); + cfg.def = def == 0; + pdev->backlight = v4l2_ctrl_new_custom(hdl, &cfg, NULL); + + /* flikker rediction */ + r = pwc_get_u8_ctrl(pdev, GET_LUM_CTL, + FLICKERLESS_MODE_FORMATTER, &def); + if (r || (def != 0 && def != 0xff)) + def = 0; + cfg = pwc_flicker_cfg; + cfg.name = v4l2_ctrl_get_name(cfg.id); + cfg.def = def == 0; + pdev->flicker = v4l2_ctrl_new_custom(hdl, &cfg, NULL); + + /* Dynamic noise reduction */ + r = pwc_get_u8_ctrl(pdev, GET_LUM_CTL, + DYNAMIC_NOISE_CONTROL_FORMATTER, &def); + if (r || def > 3) + def = 2; + cfg = pwc_noise_reduction_cfg; + cfg.def = def; + pdev->noise_reduction = v4l2_ctrl_new_custom(hdl, &cfg, NULL); + + /* Save / Restore User / Factory Settings */ + pdev->save_user = v4l2_ctrl_new_custom(hdl, &pwc_save_user_cfg, NULL); + pdev->restore_user = v4l2_ctrl_new_custom(hdl, &pwc_restore_user_cfg, + NULL); + if (pdev->restore_user) + pdev->restore_user->flags = V4L2_CTRL_FLAG_UPDATE; + pdev->restore_factory = v4l2_ctrl_new_custom(hdl, + &pwc_restore_factory_cfg, + NULL); + if (pdev->restore_factory) + pdev->restore_factory->flags = V4L2_CTRL_FLAG_UPDATE; + + if (!(pdev->features & FEATURE_MOTOR_PANTILT)) + return hdl->error; + + /* Motor pan / tilt / reset */ + pdev->motor_pan = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops, + V4L2_CID_PAN_RELATIVE, -4480, 4480, 64, 0); + if (!pdev->motor_pan) + return hdl->error; + pdev->motor_tilt = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops, + V4L2_CID_TILT_RELATIVE, -1920, 1920, 64, 0); + pdev->motor_pan_reset = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops, + V4L2_CID_PAN_RESET, 0, 0, 0, 0); + pdev->motor_tilt_reset = v4l2_ctrl_new_std(hdl, &pwc_ctrl_ops, + V4L2_CID_TILT_RESET, 0, 0, 0, 0); + v4l2_ctrl_cluster(4, &pdev->motor_pan); + + return hdl->error; +} static void pwc_vidioc_fill_fmt(const struct pwc_device *pdev, struct v4l2_format *f) { @@ -284,10 +431,21 @@ static int pwc_vidioc_try_fmt(struct pwc_device *pdev, struct v4l2_format *f) } /* ioctl(VIDIOC_SET_FMT) */ -static int pwc_vidioc_set_fmt(struct pwc_device *pdev, struct v4l2_format *f) + +static int pwc_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *f) { + struct pwc_device *pdev = video_drvdata(file); int ret, fps, snapshot, compression, pixelformat; + if (!pdev->udev) + return -ENODEV; + + if (pdev->capt_file != NULL && + pdev->capt_file != file) + return -EBUSY; + + pdev->capt_file = file; + ret = pwc_vidioc_try_fmt(pdev, f); if (ret<0) return ret; @@ -309,7 +467,7 @@ static int pwc_vidioc_set_fmt(struct pwc_device *pdev, struct v4l2_format *f) pixelformat != V4L2_PIX_FMT_PWC2) return -EINVAL; - if (pdev->iso_init) + if (vb2_is_streaming(&pdev->vb_queue)) return -EBUSY; PWC_DEBUG_IOCTL("Trying to set format to: width=%d height=%d fps=%d " @@ -343,13 +501,14 @@ static int pwc_vidioc_set_fmt(struct pwc_device *pdev, struct v4l2_format *f) static int pwc_querycap(struct file *file, void *fh, struct v4l2_capability *cap) { - struct video_device *vdev = video_devdata(file); struct pwc_device *pdev = video_drvdata(file); + if (!pdev->udev) + return -ENODEV; + strcpy(cap->driver, PWC_NAME); - strlcpy(cap->card, vdev->name, sizeof(cap->card)); + strlcpy(cap->card, pdev->vdev.name, sizeof(cap->card)); usb_make_path(pdev->udev, cap->bus_info, sizeof(cap->bus_info)); - cap->version = PWC_VERSION_CODE; cap->capabilities = V4L2_CAP_VIDEO_CAPTURE | V4L2_CAP_STREAMING | @@ -377,255 +536,396 @@ static int pwc_s_input(struct file *file, void *fh, unsigned int i) return i ? -EINVAL : 0; } -static int pwc_queryctrl(struct file *file, void *fh, struct v4l2_queryctrl *c) +static int pwc_g_volatile_ctrl(struct v4l2_ctrl *ctrl) { - int i, idx; - u32 id; - - id = c->id; - if (id & V4L2_CTRL_FLAG_NEXT_CTRL) { - id &= V4L2_CTRL_ID_MASK; - id++; - idx = -1; - for (i = 0; i < ARRAY_SIZE(pwc_controls); i++) { - if (pwc_controls[i].id < id) - continue; - if (idx >= 0 - && pwc_controls[i].id > pwc_controls[idx].id) - continue; - idx = i; + struct pwc_device *pdev = + container_of(ctrl->handler, struct pwc_device, ctrl_handler); + int ret = 0; + + /* + * Sometimes it can take quite long for the pwc to complete usb control + * transfers, so release the modlock to give streaming by another + * process / thread the chance to continue with a dqbuf. + */ + mutex_unlock(&pdev->modlock); + + /* + * Take the udev-lock to protect against the disconnect handler + * completing and setting dev->udev to NULL underneath us. Other code + * does not need to do this since it is protected by the modlock. + */ + mutex_lock(&pdev->udevlock); + + if (!pdev->udev) { + ret = -ENODEV; + goto leave; + } + + switch (ctrl->id) { + case V4L2_CID_AUTO_WHITE_BALANCE: + if (pdev->color_bal_valid && time_before(jiffies, + pdev->last_color_bal_update + HZ / 4)) { + pdev->red_balance->val = pdev->last_red_balance; + pdev->blue_balance->val = pdev->last_blue_balance; + break; } - if (idx < 0) - return -EINVAL; - memcpy(c, &pwc_controls[idx], sizeof pwc_controls[0]); - return 0; + ret = pwc_get_u8_ctrl(pdev, GET_STATUS_CTL, + READ_RED_GAIN_FORMATTER, + &pdev->red_balance->val); + if (ret) + break; + ret = pwc_get_u8_ctrl(pdev, GET_STATUS_CTL, + READ_BLUE_GAIN_FORMATTER, + &pdev->blue_balance->val); + if (ret) + break; + pdev->last_red_balance = pdev->red_balance->val; + pdev->last_blue_balance = pdev->blue_balance->val; + pdev->last_color_bal_update = jiffies; + pdev->color_bal_valid = true; + break; + case V4L2_CID_AUTOGAIN: + if (pdev->gain_valid && time_before(jiffies, + pdev->last_gain_update + HZ / 4)) { + pdev->gain->val = pdev->last_gain; + break; + } + ret = pwc_get_u8_ctrl(pdev, GET_STATUS_CTL, + READ_AGC_FORMATTER, &pdev->gain->val); + if (ret) + break; + pdev->last_gain = pdev->gain->val; + pdev->last_gain_update = jiffies; + pdev->gain_valid = true; + if (!DEVICE_USE_CODEC3(pdev->type)) + break; + /* Fall through for CODEC3 where autogain also controls expo */ + case V4L2_CID_EXPOSURE_AUTO: + if (pdev->exposure_valid && time_before(jiffies, + pdev->last_exposure_update + HZ / 4)) { + pdev->exposure->val = pdev->last_exposure; + break; + } + ret = pwc_get_u16_ctrl(pdev, GET_STATUS_CTL, + READ_SHUTTER_FORMATTER, + &pdev->exposure->val); + if (ret) + break; + pdev->last_exposure = pdev->exposure->val; + pdev->last_exposure_update = jiffies; + pdev->exposure_valid = true; + break; + default: + ret = -EINVAL; } - for (i = 0; i < sizeof(pwc_controls) / sizeof(struct v4l2_queryctrl); i++) { - if (pwc_controls[i].id == c->id) { - PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYCTRL) found\n"); - memcpy(c, &pwc_controls[i], sizeof(struct v4l2_queryctrl)); - return 0; + + if (ret) + PWC_ERROR("g_ctrl %s error %d\n", ctrl->name, ret); + +leave: + mutex_unlock(&pdev->udevlock); + mutex_lock(&pdev->modlock); + return ret; +} + +static int pwc_set_awb(struct pwc_device *pdev) +{ + int ret = 0; + + if (pdev->auto_white_balance->is_new) { + ret = pwc_set_u8_ctrl(pdev, SET_CHROM_CTL, + WB_MODE_FORMATTER, + pdev->auto_white_balance->val); + if (ret) + return ret; + + /* Update val when coming from auto or going to a preset */ + if (pdev->red_balance->is_volatile || + pdev->auto_white_balance->val == awb_indoor || + pdev->auto_white_balance->val == awb_outdoor || + pdev->auto_white_balance->val == awb_fl) { + if (!pdev->red_balance->is_new) + pwc_get_u8_ctrl(pdev, GET_STATUS_CTL, + READ_RED_GAIN_FORMATTER, + &pdev->red_balance->val); + if (!pdev->blue_balance->is_new) + pwc_get_u8_ctrl(pdev, GET_STATUS_CTL, + READ_BLUE_GAIN_FORMATTER, + &pdev->blue_balance->val); + } + if (pdev->auto_white_balance->val == awb_auto) { + pdev->red_balance->is_volatile = true; + pdev->blue_balance->is_volatile = true; + pdev->color_bal_valid = false; /* Force cache update */ + } else { + pdev->red_balance->is_volatile = false; + pdev->blue_balance->is_volatile = false; } } - return -EINVAL; + + if (ret == 0 && pdev->red_balance->is_new) { + if (pdev->auto_white_balance->val != awb_manual) + return -EBUSY; + ret = pwc_set_u8_ctrl(pdev, SET_CHROM_CTL, + PRESET_MANUAL_RED_GAIN_FORMATTER, + pdev->red_balance->val); + } + + if (ret == 0 && pdev->blue_balance->is_new) { + if (pdev->auto_white_balance->val != awb_manual) + return -EBUSY; + ret = pwc_set_u8_ctrl(pdev, SET_CHROM_CTL, + PRESET_MANUAL_BLUE_GAIN_FORMATTER, + pdev->blue_balance->val); + } + return ret; } -static int pwc_g_ctrl(struct file *file, void *fh, struct v4l2_control *c) +/* For CODEC2 models which have separate autogain and auto exposure */ +static int pwc_set_autogain(struct pwc_device *pdev) { - struct pwc_device *pdev = video_drvdata(file); - int ret; + int ret = 0; + + if (pdev->autogain->is_new) { + ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL, + AGC_MODE_FORMATTER, + pdev->autogain->val ? 0 : 0xff); + if (ret) + return ret; + if (pdev->autogain->val) + pdev->gain_valid = false; /* Force cache update */ + else if (!pdev->gain->is_new) + pwc_get_u8_ctrl(pdev, GET_STATUS_CTL, + READ_AGC_FORMATTER, + &pdev->gain->val); + } + if (ret == 0 && pdev->gain->is_new) { + if (pdev->autogain->val) + return -EBUSY; + ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL, + PRESET_AGC_FORMATTER, + pdev->gain->val); + } + return ret; +} - switch (c->id) { - case V4L2_CID_BRIGHTNESS: - c->value = pwc_get_brightness(pdev); - if (c->value < 0) - return -EINVAL; - return 0; - case V4L2_CID_CONTRAST: - c->value = pwc_get_contrast(pdev); - if (c->value < 0) - return -EINVAL; - return 0; - case V4L2_CID_SATURATION: - ret = pwc_get_saturation(pdev, &c->value); - if (ret < 0) - return -EINVAL; - return 0; - case V4L2_CID_GAMMA: - c->value = pwc_get_gamma(pdev); - if (c->value < 0) - return -EINVAL; - return 0; - case V4L2_CID_RED_BALANCE: - ret = pwc_get_red_gain(pdev, &c->value); - if (ret < 0) - return -EINVAL; - c->value >>= 8; - return 0; - case V4L2_CID_BLUE_BALANCE: - ret = pwc_get_blue_gain(pdev, &c->value); - if (ret < 0) - return -EINVAL; - c->value >>= 8; - return 0; - case V4L2_CID_AUTO_WHITE_BALANCE: - ret = pwc_get_awb(pdev); - if (ret < 0) - return -EINVAL; - c->value = (ret == PWC_WB_MANUAL) ? 0 : 1; - return 0; - case V4L2_CID_GAIN: - ret = pwc_get_agc(pdev, &c->value); - if (ret < 0) - return -EINVAL; - c->value >>= 8; - return 0; - case V4L2_CID_AUTOGAIN: - ret = pwc_get_agc(pdev, &c->value); - if (ret < 0) - return -EINVAL; - c->value = (c->value < 0) ? 1 : 0; - return 0; - case V4L2_CID_EXPOSURE: - ret = pwc_get_shutter_speed(pdev, &c->value); - if (ret < 0) - return -EINVAL; - return 0; - case V4L2_CID_PRIVATE_COLOUR_MODE: - ret = pwc_get_colour_mode(pdev, &c->value); - if (ret < 0) - return -EINVAL; - return 0; - case V4L2_CID_PRIVATE_AUTOCONTOUR: - ret = pwc_get_contour(pdev, &c->value); - if (ret < 0) - return -EINVAL; - c->value = (c->value == -1 ? 1 : 0); - return 0; - case V4L2_CID_PRIVATE_CONTOUR: - ret = pwc_get_contour(pdev, &c->value); - if (ret < 0) - return -EINVAL; - c->value >>= 10; - return 0; - case V4L2_CID_PRIVATE_BACKLIGHT: - ret = pwc_get_backlight(pdev, &c->value); - if (ret < 0) - return -EINVAL; - return 0; - case V4L2_CID_PRIVATE_FLICKERLESS: - ret = pwc_get_flicker(pdev, &c->value); - if (ret < 0) - return -EINVAL; - c->value = (c->value ? 1 : 0); - return 0; - case V4L2_CID_PRIVATE_NOISE_REDUCTION: - ret = pwc_get_dynamic_noise(pdev, &c->value); - if (ret < 0) - return -EINVAL; - return 0; +/* For CODEC2 models which have separate autogain and auto exposure */ +static int pwc_set_exposure_auto(struct pwc_device *pdev) +{ + int ret = 0; + int is_auto = pdev->exposure_auto->val == V4L2_EXPOSURE_AUTO; + + if (pdev->exposure_auto->is_new) { + ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL, + SHUTTER_MODE_FORMATTER, + is_auto ? 0 : 0xff); + if (ret) + return ret; + if (is_auto) + pdev->exposure_valid = false; /* Force cache update */ + else if (!pdev->exposure->is_new) + pwc_get_u16_ctrl(pdev, GET_STATUS_CTL, + READ_SHUTTER_FORMATTER, + &pdev->exposure->val); + } + if (ret == 0 && pdev->exposure->is_new) { + if (is_auto) + return -EBUSY; + ret = pwc_set_u16_ctrl(pdev, SET_LUM_CTL, + PRESET_SHUTTER_FORMATTER, + pdev->exposure->val); + } + return ret; +} - case V4L2_CID_PRIVATE_SAVE_USER: - case V4L2_CID_PRIVATE_RESTORE_USER: - case V4L2_CID_PRIVATE_RESTORE_FACTORY: - return -EINVAL; +/* For CODEC3 models which have autogain controlling both gain and exposure */ +static int pwc_set_autogain_expo(struct pwc_device *pdev) +{ + int ret = 0; + + if (pdev->autogain->is_new) { + ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL, + AGC_MODE_FORMATTER, + pdev->autogain->val ? 0 : 0xff); + if (ret) + return ret; + if (pdev->autogain->val) { + pdev->gain_valid = false; /* Force cache update */ + pdev->exposure_valid = false; /* Force cache update */ + } else { + if (!pdev->gain->is_new) + pwc_get_u8_ctrl(pdev, GET_STATUS_CTL, + READ_AGC_FORMATTER, + &pdev->gain->val); + if (!pdev->exposure->is_new) + pwc_get_u16_ctrl(pdev, GET_STATUS_CTL, + READ_SHUTTER_FORMATTER, + &pdev->exposure->val); + } } - return -EINVAL; + if (ret == 0 && pdev->gain->is_new) { + if (pdev->autogain->val) + return -EBUSY; + ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL, + PRESET_AGC_FORMATTER, + pdev->gain->val); + } + if (ret == 0 && pdev->exposure->is_new) { + if (pdev->autogain->val) + return -EBUSY; + ret = pwc_set_u16_ctrl(pdev, SET_LUM_CTL, + PRESET_SHUTTER_FORMATTER, + pdev->exposure->val); + } + return ret; } -static int pwc_s_ctrl(struct file *file, void *fh, struct v4l2_control *c) +static int pwc_set_motor(struct pwc_device *pdev) { - struct pwc_device *pdev = video_drvdata(file); int ret; + u8 buf[4]; + + buf[0] = 0; + if (pdev->motor_pan_reset->is_new) + buf[0] |= 0x01; + if (pdev->motor_tilt_reset->is_new) + buf[0] |= 0x02; + if (pdev->motor_pan_reset->is_new || pdev->motor_tilt_reset->is_new) { + ret = send_control_msg(pdev, SET_MPT_CTL, + PT_RESET_CONTROL_FORMATTER, buf, 1); + if (ret < 0) + return ret; + } - switch (c->id) { - case V4L2_CID_BRIGHTNESS: - c->value <<= 9; - ret = pwc_set_brightness(pdev, c->value); + memset(buf, 0, sizeof(buf)); + if (pdev->motor_pan->is_new) { + buf[0] = pdev->motor_pan->val & 0xFF; + buf[1] = (pdev->motor_pan->val >> 8); + } + if (pdev->motor_tilt->is_new) { + buf[2] = pdev->motor_tilt->val & 0xFF; + buf[3] = (pdev->motor_tilt->val >> 8); + } + if (pdev->motor_pan->is_new || pdev->motor_tilt->is_new) { + ret = send_control_msg(pdev, SET_MPT_CTL, + PT_RELATIVE_CONTROL_FORMATTER, + buf, sizeof(buf)); if (ret < 0) - return -EINVAL; - return 0; + return ret; + } + + return 0; +} + +static int pwc_s_ctrl(struct v4l2_ctrl *ctrl) +{ + struct pwc_device *pdev = + container_of(ctrl->handler, struct pwc_device, ctrl_handler); + int ret = 0; + + /* See the comments on locking in pwc_g_volatile_ctrl */ + mutex_unlock(&pdev->modlock); + mutex_lock(&pdev->udevlock); + + if (!pdev->udev) { + ret = -ENODEV; + goto leave; + } + + switch (ctrl->id) { + case V4L2_CID_BRIGHTNESS: + ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL, + BRIGHTNESS_FORMATTER, ctrl->val); + break; case V4L2_CID_CONTRAST: - c->value <<= 10; - ret = pwc_set_contrast(pdev, c->value); - if (ret < 0) - return -EINVAL; - return 0; + ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL, + CONTRAST_FORMATTER, ctrl->val); + break; case V4L2_CID_SATURATION: - ret = pwc_set_saturation(pdev, c->value); - if (ret < 0) - return -EINVAL; - return 0; + ret = pwc_set_s8_ctrl(pdev, SET_CHROM_CTL, + pdev->saturation_fmt, ctrl->val); + break; case V4L2_CID_GAMMA: - c->value <<= 11; - ret = pwc_set_gamma(pdev, c->value); - if (ret < 0) - return -EINVAL; - return 0; - case V4L2_CID_RED_BALANCE: - c->value <<= 8; - ret = pwc_set_red_gain(pdev, c->value); - if (ret < 0) - return -EINVAL; - return 0; - case V4L2_CID_BLUE_BALANCE: - c->value <<= 8; - ret = pwc_set_blue_gain(pdev, c->value); - if (ret < 0) - return -EINVAL; - return 0; + ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL, + GAMMA_FORMATTER, ctrl->val); + break; case V4L2_CID_AUTO_WHITE_BALANCE: - c->value = (c->value == 0) ? PWC_WB_MANUAL : PWC_WB_AUTO; - ret = pwc_set_awb(pdev, c->value); - if (ret < 0) - return -EINVAL; - return 0; - case V4L2_CID_EXPOSURE: - c->value <<= 8; - ret = pwc_set_shutter_speed(pdev, c->value ? 0 : 1, c->value); - if (ret < 0) - return -EINVAL; - return 0; + ret = pwc_set_awb(pdev); + break; case V4L2_CID_AUTOGAIN: - /* autogain off means nothing without a gain */ - if (c->value == 0) - return 0; - ret = pwc_set_agc(pdev, c->value, 0); - if (ret < 0) - return -EINVAL; - return 0; - case V4L2_CID_GAIN: - c->value <<= 8; - ret = pwc_set_agc(pdev, 0, c->value); - if (ret < 0) - return -EINVAL; - return 0; - case V4L2_CID_PRIVATE_SAVE_USER: - if (pwc_save_user(pdev)) - return -EINVAL; - return 0; - case V4L2_CID_PRIVATE_RESTORE_USER: - if (pwc_restore_user(pdev)) - return -EINVAL; - return 0; - case V4L2_CID_PRIVATE_RESTORE_FACTORY: - if (pwc_restore_factory(pdev)) - return -EINVAL; - return 0; - case V4L2_CID_PRIVATE_COLOUR_MODE: - ret = pwc_set_colour_mode(pdev, c->value); - if (ret < 0) - return -EINVAL; - return 0; - case V4L2_CID_PRIVATE_AUTOCONTOUR: - c->value = (c->value == 1) ? -1 : 0; - ret = pwc_set_contour(pdev, c->value); - if (ret < 0) - return -EINVAL; - return 0; - case V4L2_CID_PRIVATE_CONTOUR: - c->value <<= 10; - ret = pwc_set_contour(pdev, c->value); - if (ret < 0) - return -EINVAL; - return 0; - case V4L2_CID_PRIVATE_BACKLIGHT: - ret = pwc_set_backlight(pdev, c->value); - if (ret < 0) - return -EINVAL; - return 0; - case V4L2_CID_PRIVATE_FLICKERLESS: - ret = pwc_set_flicker(pdev, c->value); - if (ret < 0) - return -EINVAL; - case V4L2_CID_PRIVATE_NOISE_REDUCTION: - ret = pwc_set_dynamic_noise(pdev, c->value); - if (ret < 0) - return -EINVAL; - return 0; - + if (DEVICE_USE_CODEC2(pdev->type)) + ret = pwc_set_autogain(pdev); + else if (DEVICE_USE_CODEC3(pdev->type)) + ret = pwc_set_autogain_expo(pdev); + else + ret = -EINVAL; + break; + case V4L2_CID_EXPOSURE_AUTO: + if (DEVICE_USE_CODEC2(pdev->type)) + ret = pwc_set_exposure_auto(pdev); + else + ret = -EINVAL; + break; + case V4L2_CID_COLORFX: + ret = pwc_set_u8_ctrl(pdev, SET_CHROM_CTL, + COLOUR_MODE_FORMATTER, + ctrl->val ? 0 : 0xff); + break; + case PWC_CID_CUSTOM(autocontour): + if (pdev->autocontour->is_new) { + ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL, + AUTO_CONTOUR_FORMATTER, + pdev->autocontour->val ? 0 : 0xff); + } + if (ret == 0 && pdev->contour->is_new) { + if (pdev->autocontour->val) { + ret = -EBUSY; + break; + } + ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL, + PRESET_CONTOUR_FORMATTER, + pdev->contour->val); + } + break; + case V4L2_CID_BACKLIGHT_COMPENSATION: + ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL, + BACK_LIGHT_COMPENSATION_FORMATTER, + ctrl->val ? 0 : 0xff); + break; + case V4L2_CID_BAND_STOP_FILTER: + ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL, + FLICKERLESS_MODE_FORMATTER, + ctrl->val ? 0 : 0xff); + break; + case PWC_CID_CUSTOM(noise_reduction): + ret = pwc_set_u8_ctrl(pdev, SET_LUM_CTL, + DYNAMIC_NOISE_CONTROL_FORMATTER, + ctrl->val); + break; + case PWC_CID_CUSTOM(save_user): + ret = pwc_button_ctrl(pdev, SAVE_USER_DEFAULTS_FORMATTER); + break; + case PWC_CID_CUSTOM(restore_user): + ret = pwc_button_ctrl(pdev, RESTORE_USER_DEFAULTS_FORMATTER); + break; + case PWC_CID_CUSTOM(restore_factory): + ret = pwc_button_ctrl(pdev, + RESTORE_FACTORY_DEFAULTS_FORMATTER); + break; + case V4L2_CID_PAN_RELATIVE: + ret = pwc_set_motor(pdev); + break; + default: + ret = -EINVAL; } - return -EINVAL; + + if (ret) + PWC_ERROR("s_ctrl %s error %d\n", ctrl->name, ret); + +leave: + mutex_unlock(&pdev->udevlock); + mutex_lock(&pdev->modlock); + return ret; } static int pwc_enum_fmt_vid_cap(struct file *file, void *fh, struct v4l2_fmtdesc *f) @@ -667,157 +967,77 @@ static int pwc_try_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format * return pwc_vidioc_try_fmt(pdev, f); } -static int pwc_s_fmt_vid_cap(struct file *file, void *fh, struct v4l2_format *f) +static int pwc_reqbufs(struct file *file, void *fh, + struct v4l2_requestbuffers *rb) { struct pwc_device *pdev = video_drvdata(file); - return pwc_vidioc_set_fmt(pdev, f); -} - -static int pwc_reqbufs(struct file *file, void *fh, struct v4l2_requestbuffers *rb) -{ - int nbuffers; + if (pdev->capt_file != NULL && + pdev->capt_file != file) + return -EBUSY; - PWC_DEBUG_IOCTL("ioctl(VIDIOC_REQBUFS) count=%d\n", rb->count); - if (rb->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - if (rb->memory != V4L2_MEMORY_MMAP) - return -EINVAL; + pdev->capt_file = file; - nbuffers = rb->count; - if (nbuffers < 2) - nbuffers = 2; - else if (nbuffers > pwc_mbufs) - nbuffers = pwc_mbufs; - /* Force to use our # of buffers */ - rb->count = pwc_mbufs; - return 0; + return vb2_reqbufs(&pdev->vb_queue, rb); } static int pwc_querybuf(struct file *file, void *fh, struct v4l2_buffer *buf) { struct pwc_device *pdev = video_drvdata(file); - int index; - PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYBUF) index=%d\n", buf->index); - if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) { - PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYBUF) Bad type\n"); - return -EINVAL; - } - index = buf->index; - if (index < 0 || index >= pwc_mbufs) { - PWC_DEBUG_IOCTL("ioctl(VIDIOC_QUERYBUF) Bad index %d\n", buf->index); - return -EINVAL; - } - - buf->m.offset = index * pdev->len_per_image; - if (pdev->pixfmt != V4L2_PIX_FMT_YUV420) - buf->bytesused = pdev->frame_size + sizeof(struct pwc_raw_frame); - else - buf->bytesused = pdev->view.size; - buf->field = V4L2_FIELD_NONE; - buf->memory = V4L2_MEMORY_MMAP; - /*buf->flags = V4L2_BUF_FLAG_MAPPED;*/ - buf->length = pdev->len_per_image; - - PWC_DEBUG_READ("VIDIOC_QUERYBUF: index=%d\n", buf->index); - PWC_DEBUG_READ("VIDIOC_QUERYBUF: m.offset=%d\n", buf->m.offset); - PWC_DEBUG_READ("VIDIOC_QUERYBUF: bytesused=%d\n", buf->bytesused); - - return 0; + return vb2_querybuf(&pdev->vb_queue, buf); } static int pwc_qbuf(struct file *file, void *fh, struct v4l2_buffer *buf) { - PWC_DEBUG_IOCTL("ioctl(VIDIOC_QBUF) index=%d\n", buf->index); - if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - if (buf->memory != V4L2_MEMORY_MMAP) - return -EINVAL; - if (buf->index >= pwc_mbufs) - return -EINVAL; + struct pwc_device *pdev = video_drvdata(file); - buf->flags |= V4L2_BUF_FLAG_QUEUED; - buf->flags &= ~V4L2_BUF_FLAG_DONE; + if (!pdev->udev) + return -ENODEV; - return 0; + if (pdev->capt_file != file) + return -EBUSY; + + return vb2_qbuf(&pdev->vb_queue, buf); } static int pwc_dqbuf(struct file *file, void *fh, struct v4l2_buffer *buf) { - DECLARE_WAITQUEUE(wait, current); struct pwc_device *pdev = video_drvdata(file); - int ret; - PWC_DEBUG_IOCTL("ioctl(VIDIOC_DQBUF)\n"); + if (!pdev->udev) + return -ENODEV; - if (buf->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) - return -EINVAL; - - add_wait_queue(&pdev->frameq, &wait); - while (pdev->full_frames == NULL) { - if (pdev->error_status) { - remove_wait_queue(&pdev->frameq, &wait); - set_current_state(TASK_RUNNING); - return -pdev->error_status; - } - - if (signal_pending(current)) { - remove_wait_queue(&pdev->frameq, &wait); - set_current_state(TASK_RUNNING); - return -ERESTARTSYS; - } - mutex_unlock(&pdev->modlock); - schedule(); - set_current_state(TASK_INTERRUPTIBLE); - mutex_lock(&pdev->modlock); - } - remove_wait_queue(&pdev->frameq, &wait); - set_current_state(TASK_RUNNING); - - PWC_DEBUG_IOCTL("VIDIOC_DQBUF: frame ready.\n"); - /* Decompress data in pdev->images[pdev->fill_image] */ - ret = pwc_handle_frame(pdev); - if (ret) - return -EFAULT; - PWC_DEBUG_IOCTL("VIDIOC_DQBUF: after pwc_handle_frame\n"); - - buf->index = pdev->fill_image; - if (pdev->pixfmt != V4L2_PIX_FMT_YUV420) - buf->bytesused = pdev->frame_size + sizeof(struct pwc_raw_frame); - else - buf->bytesused = pdev->view.size; - buf->flags = V4L2_BUF_FLAG_MAPPED; - buf->field = V4L2_FIELD_NONE; - do_gettimeofday(&buf->timestamp); - buf->sequence = 0; - buf->memory = V4L2_MEMORY_MMAP; - buf->m.offset = pdev->fill_image * pdev->len_per_image; - buf->length = pdev->len_per_image; - pwc_next_image(pdev); - - PWC_DEBUG_IOCTL("VIDIOC_DQBUF: buf->index=%d\n", buf->index); - PWC_DEBUG_IOCTL("VIDIOC_DQBUF: buf->length=%d\n", buf->length); - PWC_DEBUG_IOCTL("VIDIOC_DQBUF: m.offset=%d\n", buf->m.offset); - PWC_DEBUG_IOCTL("VIDIOC_DQBUF: bytesused=%d\n", buf->bytesused); - PWC_DEBUG_IOCTL("VIDIOC_DQBUF: leaving\n"); - return 0; + if (pdev->capt_file != file) + return -EBUSY; + return vb2_dqbuf(&pdev->vb_queue, buf, file->f_flags & O_NONBLOCK); } static int pwc_streamon(struct file *file, void *fh, enum v4l2_buf_type i) { struct pwc_device *pdev = video_drvdata(file); - return pwc_isoc_init(pdev); + if (!pdev->udev) + return -ENODEV; + + if (pdev->capt_file != file) + return -EBUSY; + + return vb2_streamon(&pdev->vb_queue, i); } static int pwc_streamoff(struct file *file, void *fh, enum v4l2_buf_type i) { struct pwc_device *pdev = video_drvdata(file); - pwc_isoc_cleanup(pdev); - return 0; + if (!pdev->udev) + return -ENODEV; + + if (pdev->capt_file != file) + return -EBUSY; + + return vb2_streamoff(&pdev->vb_queue, i); } static int pwc_enum_framesizes(struct file *file, void *fh, @@ -896,9 +1116,6 @@ const struct v4l2_ioctl_ops pwc_ioctl_ops = { .vidioc_g_fmt_vid_cap = pwc_g_fmt_vid_cap, .vidioc_s_fmt_vid_cap = pwc_s_fmt_vid_cap, .vidioc_try_fmt_vid_cap = pwc_try_fmt_vid_cap, - .vidioc_queryctrl = pwc_queryctrl, - .vidioc_g_ctrl = pwc_g_ctrl, - .vidioc_s_ctrl = pwc_s_ctrl, .vidioc_reqbufs = pwc_reqbufs, .vidioc_querybuf = pwc_querybuf, .vidioc_qbuf = pwc_qbuf, |