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Commit 6c9cac89 authored by Hans de Goede's avatar Hans de Goede Committed by Mauro Carvalho Chehab
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[media] pwc: Replace control code with v4l2-ctrls framework 

Also remove all the converting from native range to 0-65535 and back
that was going on. This is no longer needed now that we no longer support
v4l1.
Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 04613c5e
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Inline Side-by-side
Showing with 823 additions and 1084 deletions
drivers/media/video/pwc/pwc-ctrl.c
View file @ 6c9cac89
......@@ -3,6 +3,7 @@
video modes.
(C) 1999-2003 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.
......@@ -49,55 +50,7 @@
#include "pwc-dec1.h"
#include "pwc-dec23.h"
/* Request types: video */
#define SET_LUM_CTL 0x01
#define GET_LUM_CTL 0x02
#define SET_CHROM_CTL 0x03
#define GET_CHROM_CTL 0x04
#define SET_STATUS_CTL 0x05
#define GET_STATUS_CTL 0x06
#define SET_EP_STREAM_CTL 0x07
#define GET_EP_STREAM_CTL 0x08
#define GET_XX_CTL 0x09
#define SET_XX_CTL 0x0A
#define GET_XY_CTL 0x0B
#define SET_XY_CTL 0x0C
#define SET_MPT_CTL 0x0D
#define GET_MPT_CTL 0x0E
/* Selectors for the Luminance controls [GS]ET_LUM_CTL */
#define AGC_MODE_FORMATTER 0x2000
#define PRESET_AGC_FORMATTER 0x2100
#define SHUTTER_MODE_FORMATTER 0x2200
#define PRESET_SHUTTER_FORMATTER 0x2300
#define PRESET_CONTOUR_FORMATTER 0x2400
#define AUTO_CONTOUR_FORMATTER 0x2500
#define BACK_LIGHT_COMPENSATION_FORMATTER 0x2600
#define CONTRAST_FORMATTER 0x2700
#define DYNAMIC_NOISE_CONTROL_FORMATTER 0x2800
#define FLICKERLESS_MODE_FORMATTER 0x2900
#define AE_CONTROL_SPEED 0x2A00
#define BRIGHTNESS_FORMATTER 0x2B00
#define GAMMA_FORMATTER 0x2C00
/* Selectors for the Chrominance controls [GS]ET_CHROM_CTL */
#define WB_MODE_FORMATTER 0x1000
#define AWB_CONTROL_SPEED_FORMATTER 0x1100
#define AWB_CONTROL_DELAY_FORMATTER 0x1200
#define PRESET_MANUAL_RED_GAIN_FORMATTER 0x1300
#define PRESET_MANUAL_BLUE_GAIN_FORMATTER 0x1400
#define COLOUR_MODE_FORMATTER 0x1500
#define SATURATION_MODE_FORMATTER1 0x1600
#define SATURATION_MODE_FORMATTER2 0x1700
/* Selectors for the Status controls [GS]ET_STATUS_CTL */
#define SAVE_USER_DEFAULTS_FORMATTER 0x0200
#define RESTORE_USER_DEFAULTS_FORMATTER 0x0300
#define RESTORE_FACTORY_DEFAULTS_FORMATTER 0x0400
#define READ_AGC_FORMATTER 0x0500
#define READ_SHUTTER_FORMATTER 0x0600
#define READ_RED_GAIN_FORMATTER 0x0700
#define READ_BLUE_GAIN_FORMATTER 0x0800
/* Selectors for status controls used only in this file */
#define GET_STATUS_B00 0x0B00
#define SENSOR_TYPE_FORMATTER1 0x0C00
#define GET_STATUS_3000 0x3000
......@@ -116,11 +69,6 @@
/* Formatters for the Video Endpoint controls [GS]ET_EP_STREAM_CTL */
#define VIDEO_OUTPUT_CONTROL_FORMATTER 0x0100
/* Formatters for the motorized pan & tilt [GS]ET_MPT_CTL */
#define PT_RELATIVE_CONTROL_FORMATTER 0x01
#define PT_RESET_CONTROL_FORMATTER 0x02
#define PT_STATUS_FORMATTER 0x03
static const char *size2name[PSZ_MAX] =
{
"subQCIF",
......@@ -160,7 +108,7 @@ static void pwc_set_image_buffer_size(struct pwc_device *pdev);
/****************************************************************************/
static int _send_control_msg(struct pwc_device *pdev,
u8 request, u16 value, int index, void *buf, int buflen, int timeout)
u8 request, u16 value, int index, void *buf, int buflen)
{
int rc;
void *kbuf = NULL;
......@@ -177,7 +125,7 @@ static int _send_control_msg(struct pwc_device *pdev,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
value,
index,
kbuf, buflen, timeout);
kbuf, buflen, USB_CTRL_SET_TIMEOUT);
kfree(kbuf);
return rc;
......@@ -197,9 +145,13 @@ static int recv_control_msg(struct pwc_device *pdev,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
value,
pdev->vcinterface,
kbuf, buflen, 500);
kbuf, buflen, USB_CTRL_GET_TIMEOUT);
memcpy(buf, kbuf, buflen);
kfree(kbuf);
if (rc < 0)
PWC_ERROR("recv_control_msg error %d req %02x val %04x\n",
rc, request, value);
return rc;
}
......@@ -210,18 +162,16 @@ static inline int send_video_command(struct pwc_device *pdev,
SET_EP_STREAM_CTL,
VIDEO_OUTPUT_CONTROL_FORMATTER,
index,
buf, buflen, 1000);
buf, buflen);
}
static inline int send_control_msg(struct pwc_device *pdev,
u8 request, u16 value, void *buf, int buflen)
{
return _send_control_msg(pdev,
request, value, pdev->vcinterface, buf, buflen, 500);
request, value, pdev->vcinterface, buf, buflen);
}
static int set_video_mode_Nala(struct pwc_device *pdev, int size, int frames)
{
unsigned char buf[3];
......@@ -549,246 +499,78 @@ static void pwc_set_image_buffer_size(struct pwc_device *pdev)
pdev->offset.y = ((pdev->view.y - pdev->image.y) / 2) & 0xFFFE;
}
/* BRIGHTNESS */
int pwc_get_brightness(struct pwc_device *pdev)
int pwc_get_u8_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *data)
{
char buf;
int ret;
u8 buf;
ret = recv_control_msg(pdev,
GET_LUM_CTL, BRIGHTNESS_FORMATTER, &buf, sizeof(buf));
ret = recv_control_msg(pdev, request, value, &buf, sizeof(buf));
if (ret < 0)
return ret;
return buf;
}
int pwc_set_brightness(struct pwc_device *pdev, int value)
{
char buf;
if (value < 0)
value = 0;
if (value > 0xffff)
value = 0xffff;
buf = (value >> 9) & 0x7f;
return send_control_msg(pdev,
SET_LUM_CTL, BRIGHTNESS_FORMATTER, &buf, sizeof(buf));
*data = buf;
return 0;
}
/* CONTRAST */
int pwc_get_contrast(struct pwc_device *pdev)
int pwc_set_u8_ctrl(struct pwc_device *pdev, u8 request, u16 value, u8 data)
{
char buf;
int ret;
ret = recv_control_msg(pdev,
GET_LUM_CTL, CONTRAST_FORMATTER, &buf, sizeof(buf));
ret = send_control_msg(pdev, request, value, &data, sizeof(data));
if (ret < 0)
return ret;
return buf;
}
int pwc_set_contrast(struct pwc_device *pdev, int value)
{
char buf;
if (value < 0)
value = 0;
if (value > 0xffff)
value = 0xffff;
buf = (value >> 10) & 0x3f;
return send_control_msg(pdev,
SET_LUM_CTL, CONTRAST_FORMATTER, &buf, sizeof(buf));
return 0;
}
/* GAMMA */
int pwc_get_gamma(struct pwc_device *pdev)
int pwc_get_s8_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *data)
{
char buf;
int ret;
s8 buf;
ret = recv_control_msg(pdev,
GET_LUM_CTL, GAMMA_FORMATTER, &buf, sizeof(buf));
ret = recv_control_msg(pdev, request, value, &buf, sizeof(buf));
if (ret < 0)
return ret;
return buf;
}
int pwc_set_gamma(struct pwc_device *pdev, int value)
{
char buf;
if (value < 0)
value = 0;
if (value > 0xffff)
value = 0xffff;
buf = (value >> 11) & 0x1f;
return send_control_msg(pdev,
SET_LUM_CTL, GAMMA_FORMATTER, &buf, sizeof(buf));
}
/* SATURATION */
/* return a value between [-100 , 100] */
int pwc_get_saturation(struct pwc_device *pdev, int *value)
{
char buf;
int ret, saturation_register;
if (pdev->type < 675)
return -EINVAL;
if (pdev->type < 730)
saturation_register = SATURATION_MODE_FORMATTER2;
else
saturation_register = SATURATION_MODE_FORMATTER1;
ret = recv_control_msg(pdev,
GET_CHROM_CTL, saturation_register, &buf, sizeof(buf));
if (ret < 0)
return ret;
*value = (signed)buf;
*data = buf;
return 0;
}
/* @param value saturation color between [-100 , 100] */
int pwc_set_saturation(struct pwc_device *pdev, int value)
int pwc_get_u16_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *data)
{
char buf;
int saturation_register;
if (pdev->type < 675)
return -EINVAL;
if (value < -100)
value = -100;
if (value > 100)
value = 100;
if (pdev->type < 730)
saturation_register = SATURATION_MODE_FORMATTER2;
else
saturation_register = SATURATION_MODE_FORMATTER1;
return send_control_msg(pdev,
SET_CHROM_CTL, saturation_register, &buf, sizeof(buf));
}
/* AGC */
int pwc_set_agc(struct pwc_device *pdev, int mode, int value)
{
char buf;
int ret;
u8 buf[2];
if (mode)
buf = 0x0; /* auto */
else
buf = 0xff; /* fixed */
ret = send_control_msg(pdev,
SET_LUM_CTL, AGC_MODE_FORMATTER, &buf, sizeof(buf));
if (!mode && ret >= 0) {
if (value < 0)
value = 0;
if (value > 0xffff)
value = 0xffff;
buf = (value >> 10) & 0x3F;
ret = send_control_msg(pdev,
SET_LUM_CTL, PRESET_AGC_FORMATTER, &buf, sizeof(buf));
}
ret = recv_control_msg(pdev, request, value, buf, sizeof(buf));
if (ret < 0)
return ret;
*data = (buf[1] << 8) | buf[0];
return 0;
}
int pwc_get_agc(struct pwc_device *pdev, int *value)
int pwc_set_u16_ctrl(struct pwc_device *pdev, u8 request, u16 value, u16 data)
{
unsigned char buf;
int ret;
u8 buf[2];
ret = recv_control_msg(pdev,
GET_LUM_CTL, AGC_MODE_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
if (buf != 0) { /* fixed */
ret = recv_control_msg(pdev,
GET_LUM_CTL, PRESET_AGC_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
if (buf > 0x3F)
buf = 0x3F;
*value = (buf << 10);
}
else { /* auto */
ret = recv_control_msg(pdev,
GET_STATUS_CTL, READ_AGC_FORMATTER, &buf, sizeof(buf));
buf[0] = data & 0xff;
buf[1] = data >> 8;
ret = send_control_msg(pdev, request, value, buf, sizeof(buf));
if (ret < 0)
return ret;
/* Gah... this value ranges from 0x00 ... 0x9F */
if (buf > 0x9F)
buf = 0x9F;
*value = -(48 + buf * 409);
}
return 0;
}
int pwc_set_shutter_speed(struct pwc_device *pdev, int mode, int value)
int pwc_button_ctrl(struct pwc_device *pdev, u16 value)
{
char buf[2];
int speed, ret;
if (mode)
buf[0] = 0x0; /* auto */
else
buf[0] = 0xff; /* fixed */
ret = send_control_msg(pdev,
SET_LUM_CTL, SHUTTER_MODE_FORMATTER, &buf, 1);
if (!mode && ret >= 0) {
if (value < 0)
value = 0;
if (value > 0xffff)
value = 0xffff;
if (DEVICE_USE_CODEC2(pdev->type)) {
/* speed ranges from 0x0 to 0x290 (656) */
speed = (value / 100);
buf[1] = speed >> 8;
buf[0] = speed & 0xff;
} else if (DEVICE_USE_CODEC3(pdev->type)) {
/* speed seems to range from 0x0 to 0xff */
buf[1] = 0;
buf[0] = value >> 8;
}
ret = send_control_msg(pdev,
SET_LUM_CTL, PRESET_SHUTTER_FORMATTER,
&buf, sizeof(buf));
}
return ret;
}
/* This function is not exported to v4l1, so output values between 0 -> 256 */
int pwc_get_shutter_speed(struct pwc_device *pdev, int *value)
{
unsigned char buf[2];
int ret;
ret = recv_control_msg(pdev,
GET_STATUS_CTL, READ_SHUTTER_FORMATTER, &buf, sizeof(buf));
ret = send_control_msg(pdev, SET_STATUS_CTL, value, NULL, 0);
if (ret < 0)
return ret;
*value = buf[0] + (buf[1] << 8);
if (DEVICE_USE_CODEC2(pdev->type)) {
/* speed ranges from 0x0 to 0x290 (656) */
*value *= 256/656;
} else if (DEVICE_USE_CODEC3(pdev->type)) {
/* speed seems to range from 0x0 to 0xff */
}
return 0;
}
......@@ -817,162 +599,6 @@ void pwc_camera_power(struct pwc_device *pdev, int power)
power ? "on" : "off", r);
}
/* private calls */
int pwc_restore_user(struct pwc_device *pdev)
{
return send_control_msg(pdev,
SET_STATUS_CTL, RESTORE_USER_DEFAULTS_FORMATTER, NULL, 0);
}
int pwc_save_user(struct pwc_device *pdev)
{
return send_control_msg(pdev,
SET_STATUS_CTL, SAVE_USER_DEFAULTS_FORMATTER, NULL, 0);
}
int pwc_restore_factory(struct pwc_device *pdev)
{
return send_control_msg(pdev,
SET_STATUS_CTL, RESTORE_FACTORY_DEFAULTS_FORMATTER, NULL, 0);
}
/* ************************************************* */
/* Patch by Alvarado: (not in the original version */
/*
* the camera recognizes modes from 0 to 4:
*
* 00: indoor (incandescant lighting)
* 01: outdoor (sunlight)
* 02: fluorescent lighting
* 03: manual
* 04: auto
*/
int pwc_set_awb(struct pwc_device *pdev, int mode)
{
char buf;
int ret;
if (mode < 0)
mode = 0;
if (mode > 4)
mode = 4;
buf = mode & 0x07; /* just the lowest three bits */
ret = send_control_msg(pdev,
SET_CHROM_CTL, WB_MODE_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
return 0;
}
int pwc_get_awb(struct pwc_device *pdev)
{
unsigned char buf;
int ret;
ret = recv_control_msg(pdev,
GET_CHROM_CTL, WB_MODE_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
return buf;
}
int pwc_set_red_gain(struct pwc_device *pdev, int value)
{
unsigned char buf;
if (value < 0)
value = 0;
if (value > 0xffff)
value = 0xffff;
/* only the msb is considered */
buf = value >> 8;
return send_control_msg(pdev,
SET_CHROM_CTL, PRESET_MANUAL_RED_GAIN_FORMATTER,
&buf, sizeof(buf));
}
int pwc_get_red_gain(struct pwc_device *pdev, int *value)
{
unsigned char buf;
int ret;
ret = recv_control_msg(pdev,
GET_CHROM_CTL, PRESET_MANUAL_RED_GAIN_FORMATTER,
&buf, sizeof(buf));
if (ret < 0)
return ret;
*value = buf << 8;
return 0;
}
int pwc_set_blue_gain(struct pwc_device *pdev, int value)
{
unsigned char buf;
if (value < 0)
value = 0;
if (value > 0xffff)
value = 0xffff;
/* only the msb is considered */
buf = value >> 8;
return send_control_msg(pdev,
SET_CHROM_CTL, PRESET_MANUAL_BLUE_GAIN_FORMATTER,
&buf, sizeof(buf));
}
int pwc_get_blue_gain(struct pwc_device *pdev, int *value)
{
unsigned char buf;
int ret;
ret = recv_control_msg(pdev,
GET_CHROM_CTL, PRESET_MANUAL_BLUE_GAIN_FORMATTER,
&buf, sizeof(buf));
if (ret < 0)
return ret;
*value = buf << 8;
return 0;
}
/* The following two functions are different, since they only read the
internal red/blue gains, which may be different from the manual
gains set or read above.
*/
static int pwc_read_red_gain(struct pwc_device *pdev, int *value)
{
unsigned char buf;
int ret;
ret = recv_control_msg(pdev,
GET_STATUS_CTL, READ_RED_GAIN_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
*value = buf << 8;
return 0;
}
static int pwc_read_blue_gain(struct pwc_device *pdev, int *value)
{
unsigned char buf;
int ret;
ret = recv_control_msg(pdev,
GET_STATUS_CTL, READ_BLUE_GAIN_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
*value = buf << 8;
return 0;
}
static int pwc_set_wb_speed(struct pwc_device *pdev, int speed)
{
unsigned char buf;
......@@ -1070,164 +696,6 @@ static int pwc_get_leds(struct pwc_device *pdev, int *on_value, int *off_value)
return 0;
}
int pwc_set_contour(struct pwc_device *pdev, int contour)
{
unsigned char buf;
int ret;
if (contour < 0)
buf = 0xff; /* auto contour on */
else
buf = 0x0; /* auto contour off */
ret = send_control_msg(pdev,
SET_LUM_CTL, AUTO_CONTOUR_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
if (contour < 0)
return 0;
if (contour > 0xffff)
contour = 0xffff;
buf = (contour >> 10); /* contour preset is [0..3f] */
ret = send_control_msg(pdev,
SET_LUM_CTL, PRESET_CONTOUR_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
return 0;
}
int pwc_get_contour(struct pwc_device *pdev, int *contour)
{
unsigned char buf;
int ret;
ret = recv_control_msg(pdev,
GET_LUM_CTL, AUTO_CONTOUR_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
if (buf == 0) {
/* auto mode off, query current preset value */
ret = recv_control_msg(pdev,
GET_LUM_CTL, PRESET_CONTOUR_FORMATTER,
&buf, sizeof(buf));
if (ret < 0)
return ret;
*contour = buf << 10;
}
else
*contour = -1;
return 0;
}
int pwc_set_backlight(struct pwc_device *pdev, int backlight)
{
unsigned char buf;
if (backlight)
buf = 0xff;
else
buf = 0x0;
return send_control_msg(pdev,
SET_LUM_CTL, BACK_LIGHT_COMPENSATION_FORMATTER,
&buf, sizeof(buf));
}
int pwc_get_backlight(struct pwc_device *pdev, int *backlight)
{
int ret;
unsigned char buf;
ret = recv_control_msg(pdev,
GET_LUM_CTL, BACK_LIGHT_COMPENSATION_FORMATTER,
&buf, sizeof(buf));
if (ret < 0)
return ret;
*backlight = !!buf;
return 0;
}
int pwc_set_colour_mode(struct pwc_device *pdev, int colour)
{
unsigned char buf;
if (colour)
buf = 0xff;
else
buf = 0x0;
return send_control_msg(pdev,
SET_CHROM_CTL, COLOUR_MODE_FORMATTER, &buf, sizeof(buf));
}
int pwc_get_colour_mode(struct pwc_device *pdev, int *colour)
{
int ret;
unsigned char buf;
ret = recv_control_msg(pdev,
GET_CHROM_CTL, COLOUR_MODE_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
*colour = !!buf;
return 0;
}
int pwc_set_flicker(struct pwc_device *pdev, int flicker)
{
unsigned char buf;
if (flicker)
buf = 0xff;
else
buf = 0x0;
return send_control_msg(pdev,
SET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, &buf, sizeof(buf));
}
int pwc_get_flicker(struct pwc_device *pdev, int *flicker)
{
int ret;
unsigned char buf;
ret = recv_control_msg(pdev,
GET_LUM_CTL, FLICKERLESS_MODE_FORMATTER, &buf, sizeof(buf));
if (ret < 0)
return ret;
*flicker = !!buf;
return 0;
}
int pwc_set_dynamic_noise(struct pwc_device *pdev, int noise)
{
unsigned char buf;
if (noise < 0)
noise = 0;
if (noise > 3)
noise = 3;
buf = noise;
return send_control_msg(pdev,
SET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER,
&buf, sizeof(buf));
}
int pwc_get_dynamic_noise(struct pwc_device *pdev, int *noise)
{
int ret;
unsigned char buf;
ret = recv_control_msg(pdev,
GET_LUM_CTL, DYNAMIC_NOISE_CONTROL_FORMATTER,
&buf, sizeof(buf));
if (ret < 0)
return ret;
*noise = buf;
return 0;
}
static int _pwc_mpt_reset(struct pwc_device *pdev, int flags)
{
unsigned char buf;
......@@ -1357,37 +825,41 @@ int pwc_get_cmos_sensor(struct pwc_device *pdev, int *sensor)
/* copy local variable to arg */
#define ARG_OUT(ARG_name) /* nothing */
/*
* Our ctrls use native values, but the old custom pwc ioctl interface expects
* values from 0 - 65535, define 2 helper functions to scale things. */
static int pwc_ioctl_g_ctrl(struct v4l2_ctrl *ctrl)
{
return v4l2_ctrl_g_ctrl(ctrl) * 65535 / ctrl->maximum;
}
static int pwc_ioctl_s_ctrl(struct v4l2_ctrl *ctrl, int val)
{
return v4l2_ctrl_s_ctrl(ctrl, val * ctrl->maximum / 65535);
}
long pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg)
{
long ret = 0;
switch(cmd) {
case VIDIOCPWCRUSER:
{
if (pwc_restore_user(pdev))
ret = -EINVAL;
ret = pwc_button_ctrl(pdev, RESTORE_USER_DEFAULTS_FORMATTER);
break;
}
case VIDIOCPWCSUSER:
{
if (pwc_save_user(pdev))
ret = -EINVAL;
ret = pwc_button_ctrl(pdev, SAVE_USER_DEFAULTS_FORMATTER);
break;
}
case VIDIOCPWCFACTORY:
{
if (pwc_restore_factory(pdev))
ret = -EINVAL;
ret = pwc_button_ctrl(pdev, RESTORE_FACTORY_DEFAULTS_FORMATTER);
break;
}
case VIDIOCPWCSCQUAL:
{
ARG_DEF(int, qual)
if (pdev->iso_init) {
if (vb2_is_streaming(&pdev->vb_queue)) {
ret = -EBUSY;
break;
}
......@@ -1431,71 +903,59 @@ long pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg)
case VIDIOCPWCSAGC:
{
ARG_DEF(int, agc)
ARG_IN(agc)
if (pwc_set_agc(pdev, ARGR(agc) < 0 ? 1 : 0, ARGR(agc)))
ret = -EINVAL;
ret = v4l2_ctrl_s_ctrl(pdev->autogain, ARGR(agc) < 0);
if (ret == 0 && ARGR(agc) >= 0)
ret = pwc_ioctl_s_ctrl(pdev->gain, ARGR(agc));
break;
}
case VIDIOCPWCGAGC:
{
ARG_DEF(int, agc)
if (pwc_get_agc(pdev, ARGA(agc)))
ret = -EINVAL;
if (v4l2_ctrl_g_ctrl(pdev->autogain))
ARGR(agc) = -1;
else
ARGR(agc) = pwc_ioctl_g_ctrl(pdev->gain);
ARG_OUT(agc)
break;
}
case VIDIOCPWCSSHUTTER:
{
ARG_DEF(int, shutter_speed)
ARG_IN(shutter_speed)
ret = pwc_set_shutter_speed(pdev, ARGR(shutter_speed) < 0 ? 1 : 0, ARGR(shutter_speed));
ARG_DEF(int, shutter)
ARG_IN(shutter)
ret = v4l2_ctrl_s_ctrl(pdev->exposure_auto,
/* Menu idx 0 = auto, idx 1 = manual */
ARGR(shutter) >= 0);
if (ret == 0 && ARGR(shutter) >= 0)
ret = pwc_ioctl_s_ctrl(pdev->exposure, ARGR(shutter));
break;
}
case VIDIOCPWCSAWB:
{
ARG_DEF(struct pwc_whitebalance, wb)
ARG_IN(wb)
ret = pwc_set_awb(pdev, ARGR(wb).mode);
if (ret >= 0 && ARGR(wb).mode == PWC_WB_MANUAL) {
pwc_set_red_gain(pdev, ARGR(wb).manual_red);
pwc_set_blue_gain(pdev, ARGR(wb).manual_blue);
}
ret = v4l2_ctrl_s_ctrl(pdev->auto_white_balance,
ARGR(wb).mode);
if (ret == 0 && ARGR(wb).mode == PWC_WB_MANUAL)
ret = pwc_ioctl_s_ctrl(pdev->red_balance,
ARGR(wb).manual_red);
if (ret == 0 && ARGR(wb).mode == PWC_WB_MANUAL)
ret = pwc_ioctl_s_ctrl(pdev->blue_balance,
ARGR(wb).manual_blue);
break;
}
case VIDIOCPWCGAWB:
{
ARG_DEF(struct pwc_whitebalance, wb)
memset(ARGA(wb), 0, sizeof(struct pwc_whitebalance));
ARGR(wb).mode = pwc_get_awb(pdev);
if (ARGR(wb).mode < 0)
ret = -EINVAL;
else {
if (ARGR(wb).mode == PWC_WB_MANUAL) {
ret = pwc_get_red_gain(pdev, &ARGR(wb).manual_red);
if (ret < 0)
break;
ret = pwc_get_blue_gain(pdev, &ARGR(wb).manual_blue);
if (ret < 0)
break;
}
if (ARGR(wb).mode == PWC_WB_AUTO) {
ret = pwc_read_red_gain(pdev, &ARGR(wb).read_red);
if (ret < 0)
break;
ret = pwc_read_blue_gain(pdev, &ARGR(wb).read_blue);
if (ret < 0)
break;
}
}
ARGR(wb).mode = v4l2_ctrl_g_ctrl(pdev->auto_white_balance);
ARGR(wb).manual_red = ARGR(wb).read_red =
pwc_ioctl_g_ctrl(pdev->red_balance);
ARGR(wb).manual_blue = ARGR(wb).read_blue =
pwc_ioctl_g_ctrl(pdev->blue_balance);
ARG_OUT(wb)
break;
}
......@@ -1549,17 +1009,20 @@ long pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg)
case VIDIOCPWCSCONTOUR:
{
ARG_DEF(int, contour)
ARG_IN(contour)
ret = pwc_set_contour(pdev, ARGR(contour));
ret = v4l2_ctrl_s_ctrl(pdev->autocontour, ARGR(contour) < 0);
if (ret == 0 && ARGR(contour) >= 0)
ret = pwc_ioctl_s_ctrl(pdev->contour, ARGR(contour));
break;
}
case VIDIOCPWCGCONTOUR:
{
ARG_DEF(int, contour)
ret = pwc_get_contour(pdev, ARGA(contour));
if (v4l2_ctrl_g_ctrl(pdev->autocontour))
ARGR(contour) = -1;
else
ARGR(contour) = pwc_ioctl_g_ctrl(pdev->contour);
ARG_OUT(contour)
break;
}
......@@ -1567,17 +1030,15 @@ long pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg)
case VIDIOCPWCSBACKLIGHT:
{
ARG_DEF(int, backlight)
ARG_IN(backlight)
ret = pwc_set_backlight(pdev, ARGR(backlight));
ret = v4l2_ctrl_s_ctrl(pdev->backlight, ARGR(backlight));
break;
}
case VIDIOCPWCGBACKLIGHT:
{
ARG_DEF(int, backlight)
ret = pwc_get_backlight(pdev, ARGA(backlight));
ARGR(backlight) = v4l2_ctrl_g_ctrl(pdev->backlight);
ARG_OUT(backlight)
break;
}
......@@ -1585,17 +1046,15 @@ long pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg)
case VIDIOCPWCSFLICKER:
{
ARG_DEF(int, flicker)
ARG_IN(flicker)
ret = pwc_set_flicker(pdev, ARGR(flicker));
ret = v4l2_ctrl_s_ctrl(pdev->flicker, ARGR(flicker));
break;
}
case VIDIOCPWCGFLICKER:
{
ARG_DEF(int, flicker)
ret = pwc_get_flicker(pdev, ARGA(flicker));
ARGR(flicker) = v4l2_ctrl_g_ctrl(pdev->flicker);
ARG_OUT(flicker)
break;
}
......@@ -1603,17 +1062,15 @@ long pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg)
case VIDIOCPWCSDYNNOISE:
{
ARG_DEF(int, dynnoise)
ARG_IN(dynnoise)
ret = pwc_set_dynamic_noise(pdev, ARGR(dynnoise));
ret = v4l2_ctrl_s_ctrl(pdev->noise_reduction, ARGR(dynnoise));
break;
}
case VIDIOCPWCGDYNNOISE:
{
ARG_DEF(int, dynnoise)
ret = pwc_get_dynamic_noise(pdev, ARGA(dynnoise));
ARGR(dynnoise) = v4l2_ctrl_g_ctrl(pdev->noise_reduction);
ARG_OUT(dynnoise);
break;
}
......
drivers/media/video/pwc/pwc-if.c
View file @ 6c9cac89
......@@ -679,6 +679,8 @@ static void pwc_video_release(struct video_device *vfd)
pdev->decompress_data = NULL;
}
v4l2_ctrl_handler_free(&pdev->ctrl_handler);
kfree(pdev);
}
......@@ -1224,9 +1226,14 @@ static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id
if (rc)
goto err_free_mem;
/* Initialize the webcam to sane values */
pwc_set_brightness(pdev, 0x7fff);
pwc_set_agc(pdev, 1, 0);
/* Register controls (and read default values from camera */
rc = pwc_init_controls(pdev);
if (rc) {
PWC_ERROR("Failed to register v4l2 controls (%d).\n", rc);
goto err_free_mem;
}
pdev->vdev.ctrl_handler = &pdev->ctrl_handler;
/* And powerdown the camera until streaming starts */
pwc_camera_power(pdev, 0);
......@@ -1234,7 +1241,7 @@ static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id
rc = video_register_device(&pdev->vdev, VFL_TYPE_GRABBER, video_nr);
if (rc < 0) {
PWC_ERROR("Failed to register as video device (%d).\n", rc);
goto err_free_mem;
goto err_free_controls;
}
rc = pwc_create_sysfs_files(pdev);
if (rc)
......@@ -1277,7 +1284,10 @@ static int usb_pwc_probe(struct usb_interface *intf, const struct usb_device_id
if (hint < MAX_DEV_HINTS)
device_hint[hint].pdev = NULL;
video_unregister_device(&pdev->vdev);
err_free_controls:
v4l2_ctrl_handler_free(&pdev->ctrl_handler);
err_free_mem:
usb_set_intfdata(intf, NULL);
kfree(pdev);
return rc;
}
......
drivers/media/video/pwc/pwc-v4l.c
View file @ 6c9cac89
......@@ -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 +32,314 @@
#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,
},
{
#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 White Balance",
.minimum = 0,
.maximum = 1,
.name = "Auto contour",
.min = 0,
.max = 1,
.step = 1,
.default_value = 0,
},
{
.id = V4L2_CID_EXPOSURE,
};
static const struct v4l2_ctrl_config pwc_contour_cfg = {
.ops = &pwc_ctrl_ops,
.id = PWC_CID_CUSTOM(contour),
.type = V4L2_CTRL_TYPE_INTEGER,
.name = "Shutter Speed (Exposure)",
.minimum = 0,
.maximum = 256,
.name = "Contour",
.min = 0,
.max = 63,
.step = 1,
.default_value = 200,
},
{
.id = V4L2_CID_AUTOGAIN,
};
static const struct v4l2_ctrl_config pwc_backlight_cfg = {
.ops = &pwc_ctrl_ops,
.id = V4L2_CID_BACKLIGHT_COMPENSATION,
.type = V4L2_CTRL_TYPE_BOOLEAN,
.name = "Auto Gain Enabled",
.minimum = 0,
.maximum = 1,
.min = 0,
.max = 1,
.step = 1,
.default_value = 1,
},
{
.id = V4L2_CID_GAIN,
};
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 = "Gain Level",
.minimum = 0,
.maximum = 256,
.name = "Dynamic Noise Reduction",
.min = 0,
.max = 3,
.step = 1,
.default_value = 0,
},
{
.id = V4L2_CID_PRIVATE_SAVE_USER,
};
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",
.minimum = 0,
.maximum = 0,
.step = 0,
.default_value = 0,
},
{
.id = V4L2_CID_PRIVATE_RESTORE_USER,
};
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",
.minimum = 0,
.maximum = 0,
.step = 0,
.default_value = 0,
},
{
.id = V4L2_CID_PRIVATE_RESTORE_FACTORY,
};
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",
.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,
},
};
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;
return hdl->error;
}
static void pwc_vidioc_fill_fmt(const struct pwc_device *pdev, struct v4l2_format *f)
{
......@@ -354,14 +485,13 @@ static int pwc_s_fmt_vid_cap(struct file *file, void *fh, 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->capabilities =
V4L2_CAP_VIDEO_CAPTURE |
......@@ -390,261 +520,328 @@ 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;
}
if (idx < 0)
return -EINVAL;
memcpy(c, &pwc_controls[idx], sizeof pwc_controls[0]);
return 0;
struct pwc_device *pdev =
container_of(ctrl->handler, struct pwc_device, ctrl_handler);
int ret = 0;
if (!pdev->udev)
return -ENODEV;
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;
}
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;
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;
}
return -EINVAL;
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;
}
if (ret)
PWC_ERROR("g_ctrl %s error %d\n", ctrl->name, ret);
return ret;
}
static int pwc_g_ctrl(struct file *file, void *fh, struct v4l2_control *c)
static int pwc_set_awb(struct pwc_device *pdev)
{
struct pwc_device *pdev = video_drvdata(file);
int ret;
int ret = 0;
if (!pdev->udev)
return -ENODEV;
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;
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;
/* 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;
}
}
case V4L2_CID_PRIVATE_SAVE_USER:
case V4L2_CID_PRIVATE_RESTORE_USER:
case V4L2_CID_PRIVATE_RESTORE_FACTORY:
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);
}
return -EINVAL;
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_s_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;
}
/* 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;
}
/* 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);
}
}
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 v4l2_ctrl *ctrl)
{
struct pwc_device *pdev =
container_of(ctrl->handler, struct pwc_device, ctrl_handler);
int ret = 0;
if (!pdev->udev)
return -ENODEV;
switch (c->id) {
switch (ctrl->id) {
case V4L2_CID_BRIGHTNESS:
c->value <<= 9;
ret = pwc_set_brightness(pdev, c->value);
if (ret < 0)
return -EINVAL;
return 0;
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);
}
return -EINVAL;
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;
default:
ret = -EINVAL;
}
if (ret)
PWC_ERROR("s_ctrl %s error %d\n", ctrl->name, ret);
return ret;
}
static int pwc_enum_fmt_vid_cap(struct file *file, void *fh, struct v4l2_fmtdesc *f)
......@@ -835,9 +1032,6 @@ 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,
......
drivers/media/video/pwc/pwc.h
View file @ 6c9cac89
......@@ -36,6 +36,7 @@
#include <linux/videodev2.h>
#include <media/v4l2-common.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-ctrls.h>
#include <media/videobuf2-vmalloc.h>
#ifdef CONFIG_USB_PWC_INPUT_EVDEV
#include <linux/input.h>
......@@ -128,6 +129,61 @@
#define DEVICE_USE_CODEC3(x) ((x)>=700)
#define DEVICE_USE_CODEC23(x) ((x)>=675)
/* Request types: video */
#define SET_LUM_CTL 0x01
#define GET_LUM_CTL 0x02
#define SET_CHROM_CTL 0x03
#define GET_CHROM_CTL 0x04
#define SET_STATUS_CTL 0x05
#define GET_STATUS_CTL 0x06
#define SET_EP_STREAM_CTL 0x07
#define GET_EP_STREAM_CTL 0x08
#define GET_XX_CTL 0x09
#define SET_XX_CTL 0x0A
#define GET_XY_CTL 0x0B
#define SET_XY_CTL 0x0C
#define SET_MPT_CTL 0x0D
#define GET_MPT_CTL 0x0E
/* Selectors for the Luminance controls [GS]ET_LUM_CTL */
#define AGC_MODE_FORMATTER 0x2000
#define PRESET_AGC_FORMATTER 0x2100
#define SHUTTER_MODE_FORMATTER 0x2200
#define PRESET_SHUTTER_FORMATTER 0x2300
#define PRESET_CONTOUR_FORMATTER 0x2400
#define AUTO_CONTOUR_FORMATTER 0x2500
#define BACK_LIGHT_COMPENSATION_FORMATTER 0x2600
#define CONTRAST_FORMATTER 0x2700
#define DYNAMIC_NOISE_CONTROL_FORMATTER 0x2800
#define FLICKERLESS_MODE_FORMATTER 0x2900
#define AE_CONTROL_SPEED 0x2A00
#define BRIGHTNESS_FORMATTER 0x2B00
#define GAMMA_FORMATTER 0x2C00
/* Selectors for the Chrominance controls [GS]ET_CHROM_CTL */
#define WB_MODE_FORMATTER 0x1000
#define AWB_CONTROL_SPEED_FORMATTER 0x1100
#define AWB_CONTROL_DELAY_FORMATTER 0x1200
#define PRESET_MANUAL_RED_GAIN_FORMATTER 0x1300
#define PRESET_MANUAL_BLUE_GAIN_FORMATTER 0x1400
#define COLOUR_MODE_FORMATTER 0x1500
#define SATURATION_MODE_FORMATTER1 0x1600
#define SATURATION_MODE_FORMATTER2 0x1700
/* Selectors for the Status controls [GS]ET_STATUS_CTL */
#define SAVE_USER_DEFAULTS_FORMATTER 0x0200
#define RESTORE_USER_DEFAULTS_FORMATTER 0x0300
#define RESTORE_FACTORY_DEFAULTS_FORMATTER 0x0400
#define READ_AGC_FORMATTER 0x0500
#define READ_SHUTTER_FORMATTER 0x0600
#define READ_RED_GAIN_FORMATTER 0x0700
#define READ_BLUE_GAIN_FORMATTER 0x0800
/* Formatters for the motorized pan & tilt [GS]ET_MPT_CTL */
#define PT_RELATIVE_CONTROL_FORMATTER 0x01
#define PT_RESET_CONTROL_FORMATTER 0x02
#define PT_STATUS_FORMATTER 0x03
/* intermediate buffers with raw data from the USB cam */
struct pwc_frame_buf
{
......@@ -220,6 +276,55 @@ struct pwc_device
struct input_dev *button_dev; /* webcam snapshot button input */
char button_phys[64];
#endif
/* controls */
struct v4l2_ctrl_handler ctrl_handler;
u16 saturation_fmt;
struct v4l2_ctrl *brightness;
struct v4l2_ctrl *contrast;
struct v4l2_ctrl *saturation;
struct v4l2_ctrl *gamma;
struct {
/* awb / red-blue balance cluster */
struct v4l2_ctrl *auto_white_balance;
struct v4l2_ctrl *red_balance;
struct v4l2_ctrl *blue_balance;
/* usb ctrl transfers are slow, so we cache things */
int color_bal_valid;
unsigned long last_color_bal_update; /* In jiffies */
s32 last_red_balance;
s32 last_blue_balance;
};
struct {
/* autogain / gain cluster */
struct v4l2_ctrl *autogain;
struct v4l2_ctrl *gain;
int gain_valid;
unsigned long last_gain_update; /* In jiffies */
s32 last_gain;
};
struct {
/* exposure_auto / exposure cluster */
struct v4l2_ctrl *exposure_auto;
struct v4l2_ctrl *exposure;
int exposure_valid;
unsigned long last_exposure_update; /* In jiffies */
s32 last_exposure;
};
struct v4l2_ctrl *colorfx;
struct {
/* autocontour/contour cluster */
struct v4l2_ctrl *autocontour;
struct v4l2_ctrl *contour;
};
struct v4l2_ctrl *backlight;
struct v4l2_ctrl *flicker;
struct v4l2_ctrl *noise_reduction;
struct v4l2_ctrl *save_user;
struct v4l2_ctrl *restore_user;
struct v4l2_ctrl *restore_factory;
/* CODEC3 models have both gain and exposure controlled by autogain */
struct v4l2_ctrl *autogain_expo_cluster[3];
};
/* Global variables */
......@@ -238,47 +343,20 @@ void pwc_construct(struct pwc_device *pdev);
/* Request a certain video mode. Returns < 0 if not possible */
extern int pwc_set_video_mode(struct pwc_device *pdev, int width, int height, int frames, int compression, int snapshot);
extern unsigned int pwc_get_fps(struct pwc_device *pdev, unsigned int index, unsigned int size);
/* Calculate the number of bytes per image (not frame) */
extern int pwc_mpt_reset(struct pwc_device *pdev, int flags);
extern int pwc_mpt_set_angle(struct pwc_device *pdev, int pan, int tilt);
/* Various controls; should be obvious. Value 0..65535, or < 0 on error */
extern int pwc_get_brightness(struct pwc_device *pdev);
extern int pwc_set_brightness(struct pwc_device *pdev, int value);
extern int pwc_get_contrast(struct pwc_device *pdev);
extern int pwc_set_contrast(struct pwc_device *pdev, int value);
extern int pwc_get_gamma(struct pwc_device *pdev);
extern int pwc_set_gamma(struct pwc_device *pdev, int value);
extern int pwc_get_saturation(struct pwc_device *pdev, int *value);
extern int pwc_set_saturation(struct pwc_device *pdev, int value);
extern int pwc_set_leds(struct pwc_device *pdev, int on_value, int off_value);
extern int pwc_get_cmos_sensor(struct pwc_device *pdev, int *sensor);
extern int pwc_restore_user(struct pwc_device *pdev);
extern int pwc_save_user(struct pwc_device *pdev);
extern int pwc_restore_factory(struct pwc_device *pdev);
/* exported for use by v4l2 controls */
extern int pwc_get_red_gain(struct pwc_device *pdev, int *value);
extern int pwc_set_red_gain(struct pwc_device *pdev, int value);
extern int pwc_get_blue_gain(struct pwc_device *pdev, int *value);
extern int pwc_set_blue_gain(struct pwc_device *pdev, int value);
extern int pwc_get_awb(struct pwc_device *pdev);
extern int pwc_set_awb(struct pwc_device *pdev, int mode);
extern int pwc_set_agc(struct pwc_device *pdev, int mode, int value);
extern int pwc_get_agc(struct pwc_device *pdev, int *value);
extern int pwc_set_shutter_speed(struct pwc_device *pdev, int mode, int value);
extern int pwc_get_shutter_speed(struct pwc_device *pdev, int *value);
extern int pwc_set_colour_mode(struct pwc_device *pdev, int colour);
extern int pwc_get_colour_mode(struct pwc_device *pdev, int *colour);
extern int pwc_set_contour(struct pwc_device *pdev, int contour);
extern int pwc_get_contour(struct pwc_device *pdev, int *contour);
extern int pwc_set_backlight(struct pwc_device *pdev, int backlight);
extern int pwc_get_backlight(struct pwc_device *pdev, int *backlight);
extern int pwc_set_flicker(struct pwc_device *pdev, int flicker);
extern int pwc_get_flicker(struct pwc_device *pdev, int *flicker);
extern int pwc_set_dynamic_noise(struct pwc_device *pdev, int noise);
extern int pwc_get_dynamic_noise(struct pwc_device *pdev, int *noise);
/* Control get / set helpers */
int pwc_get_u8_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *data);
int pwc_set_u8_ctrl(struct pwc_device *pdev, u8 request, u16 value, u8 data);
int pwc_get_s8_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *data);
#define pwc_set_s8_ctrl pwc_set_u8_ctrl
int pwc_get_u16_ctrl(struct pwc_device *pdev, u8 request, u16 value, int *dat);
int pwc_set_u16_ctrl(struct pwc_device *pdev, u8 request, u16 value, u16 data);
int pwc_button_ctrl(struct pwc_device *pdev, u16 value);
int pwc_init_controls(struct pwc_device *pdev);
/* Power down or up the camera; not supported by all models */
extern void pwc_camera_power(struct pwc_device *pdev, int power);
......
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