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V4L/DVB (5547): Add ENUM_FRAMESIZES and ENUM_FRAMEINTERVALS ioctls

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This patch add support for the VIDIOC_ENUM_FRAMESIZES and
VIDIOC_ENUM_FRAMEINTERVALS ioctl.
* check if the maximum native framesize for raw mode is correct
* raw mode framerates for all three chipset types

Signed-off-by: Gregor Jasny <gjasny@web.de>
Signed-off-by: Luc Saillard <luc@saillard.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Luc Saillard
2007-04-22 23:54:36 -03:00
committed by Mauro Carvalho Chehab
parent 1de6923811
commit 9ee6d78cd4
9 changed files with 168 additions and 11 deletions
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61
drivers/media/video/pwc/pwc-ctrl.c
View File

@@ -140,6 +140,8 @@ static const char *size2name[PSZ_MAX] =
An alternate value of 0 means this mode is not available at all.
*/
#define PWC_FPS_MAX_NALA 8
struct Nala_table_entry {
char alternate; /* USB alternate setting */
int compressed; /* Compressed yes/no */
@@ -147,7 +149,9 @@ struct Nala_table_entry {
unsigned char mode[3]; /* precomputed mode table */
};
static struct Nala_table_entry Nala_table[PSZ_MAX][8] =
static unsigned int Nala_fps_vector[PWC_FPS_MAX_NALA] = { 4, 5, 7, 10, 12, 15, 20, 24 };
static struct Nala_table_entry Nala_table[PSZ_MAX][PWC_FPS_MAX_NALA] =
{
#include "pwc-nala.h"
};
@@ -423,6 +427,59 @@ int pwc_set_video_mode(struct pwc_device *pdev, int width, int height, int frame
return 0;
}
static unsigned int pwc_get_fps_Nala(struct pwc_device *pdev, unsigned int index, unsigned int size)
{
unsigned int i;
for (i = 0; i < PWC_FPS_MAX_NALA; i++) {
if (Nala_table[size][i].alternate) {
if (index--==0) return Nala_fps_vector[i];
}
}
return 0;
}
static unsigned int pwc_get_fps_Kiara(struct pwc_device *pdev, unsigned int index, unsigned int size)
{
unsigned int i;
for (i = 0; i < PWC_FPS_MAX_KIARA; i++) {
if (Kiara_table[size][i][3].alternate) {
if (index--==0) return Kiara_fps_vector[i];
}
}
return 0;
}
static unsigned int pwc_get_fps_Timon(struct pwc_device *pdev, unsigned int index, unsigned int size)
{
unsigned int i;
for (i=0; i < PWC_FPS_MAX_TIMON; i++) {
if (Timon_table[size][i][3].alternate) {
if (index--==0) return Timon_fps_vector[i];
}
}
return 0;
}
unsigned int pwc_get_fps(struct pwc_device *pdev, unsigned int index, unsigned int size)
{
unsigned int ret;
if (DEVICE_USE_CODEC1(pdev->type)) {
ret = pwc_get_fps_Nala(pdev, index, size);
} else if (DEVICE_USE_CODEC3(pdev->type)) {
ret = pwc_get_fps_Kiara(pdev, index, size);
} else {
ret = pwc_get_fps_Timon(pdev, index, size);
}
return ret;
}
#define BLACK_Y 0
#define BLACK_U 128
#define BLACK_V 128
@@ -1343,7 +1400,7 @@ int pwc_ioctl(struct pwc_device *pdev, unsigned int cmd, void *arg)
ret = pwc_read_red_gain(pdev, &ARGR(wb).read_red);
if (ret < 0)
break;
ret =pwc_read_blue_gain(pdev, &ARGR(wb).read_blue);
ret = pwc_read_blue_gain(pdev, &ARGR(wb).read_blue);
if (ret < 0)
break;
}