diff options
author | Luc Saillard <luc@saillard.org> | 2007-04-23 02:54:36 (GMT) |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2007-04-27 18:45:50 (GMT) |
commit | 9ee6d78cd4112c0f5a257a01383c64dadbf66da9 (patch) | |
tree | 6a240c9938d7970c5d13c40dcc21b20fb3c3369e /drivers/media/video/pwc/pwc-ctrl.c | |
parent | 1de69238111a65283a4548d8fd4727397873a02f (diff) | |
download | linux-fsl-qoriq-9ee6d78cd4112c0f5a257a01383c64dadbf66da9.tar.xz |
V4L/DVB (5547): Add ENUM_FRAMESIZES and ENUM_FRAMEINTERVALS ioctls
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>
Diffstat (limited to 'drivers/media/video/pwc/pwc-ctrl.c')
-rw-r--r-- | drivers/media/video/pwc/pwc-ctrl.c | 61 |
1 files changed, 59 insertions, 2 deletions
diff --git a/drivers/media/video/pwc/pwc-ctrl.c b/drivers/media/video/pwc/pwc-ctrl.c index 0bd1155..338ced7 100644 --- a/drivers/media/video/pwc/pwc-ctrl.c +++ b/drivers/media/video/pwc/pwc-ctrl.c @@ -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; } |