diff options
author | Chris Metcalf <cmetcalf@tilera.com> | 2010-08-06 10:37:02 -0400 |
---|---|---|
committer | Chris Metcalf <cmetcalf@tilera.com> | 2010-08-06 10:37:02 -0400 |
commit | ab11b487402f97975f3ac1eeea09c82f4431481e (patch) | |
tree | 86337c5cbbd2b0c4bd07c0847a1dc7de3d898147 /drivers/media/video/sh_vou.c | |
parent | 1c689cbcf2c2b7a35cd237abddd9206bb1b6fee1 (diff) | |
parent | fc1caf6eafb30ea185720e29f7f5eccca61ecd60 (diff) |
Merge branch 'master' into for-linus
Diffstat (limited to 'drivers/media/video/sh_vou.c')
-rw-r--r-- | drivers/media/video/sh_vou.c | 65 |
1 files changed, 39 insertions, 26 deletions
diff --git a/drivers/media/video/sh_vou.c b/drivers/media/video/sh_vou.c index f5b892a2a8e..d394187eb70 100644 --- a/drivers/media/video/sh_vou.c +++ b/drivers/media/video/sh_vou.c @@ -18,6 +18,7 @@ #include <linux/kernel.h> #include <linux/platform_device.h> #include <linux/pm_runtime.h> +#include <linux/slab.h> #include <linux/version.h> #include <linux/videodev2.h> @@ -57,7 +58,7 @@ enum sh_vou_status { }; #define VOU_MAX_IMAGE_WIDTH 720 -#define VOU_MAX_IMAGE_HEIGHT 480 +#define VOU_MAX_IMAGE_HEIGHT 576 struct sh_vou_device { struct v4l2_device v4l2_dev; @@ -527,20 +528,17 @@ struct sh_vou_geometry { static void vou_adjust_input(struct sh_vou_geometry *geo, v4l2_std_id std) { /* The compiler cannot know, that best and idx will indeed be set */ - unsigned int best_err = UINT_MAX, best = 0, width_max, height_max; + unsigned int best_err = UINT_MAX, best = 0, img_height_max; int i, idx = 0; - if (std & V4L2_STD_525_60) { - width_max = 858; - height_max = 262; - } else { - width_max = 864; - height_max = 312; - } + if (std & V4L2_STD_525_60) + img_height_max = 480; + else + img_height_max = 576; /* Image width must be a multiple of 4 */ v4l_bound_align_image(&geo->in_width, 0, VOU_MAX_IMAGE_WIDTH, 2, - &geo->in_height, 0, VOU_MAX_IMAGE_HEIGHT, 1, 0); + &geo->in_height, 0, img_height_max, 1, 0); /* Select scales to come as close as possible to the output image */ for (i = ARRAY_SIZE(vou_scale_h_num) - 1; i >= 0; i--) { @@ -573,7 +571,7 @@ static void vou_adjust_input(struct sh_vou_geometry *geo, v4l2_std_id std) unsigned int found = geo->output.height * vou_scale_v_den[i] / vou_scale_v_num[i]; - if (found > VOU_MAX_IMAGE_HEIGHT) + if (found > img_height_max) /* scales increase */ break; @@ -597,15 +595,18 @@ static void vou_adjust_input(struct sh_vou_geometry *geo, v4l2_std_id std) */ static void vou_adjust_output(struct sh_vou_geometry *geo, v4l2_std_id std) { - unsigned int best_err = UINT_MAX, best, width_max, height_max; + unsigned int best_err = UINT_MAX, best, width_max, height_max, + img_height_max; int i, idx; if (std & V4L2_STD_525_60) { width_max = 858; height_max = 262 * 2; + img_height_max = 480; } else { width_max = 864; height_max = 312 * 2; + img_height_max = 576; } /* Select scales to come as close as possible to the output image */ @@ -644,7 +645,7 @@ static void vou_adjust_output(struct sh_vou_geometry *geo, v4l2_std_id std) unsigned int found = geo->in_height * vou_scale_v_num[i] / vou_scale_v_den[i]; - if (found > VOU_MAX_IMAGE_HEIGHT) + if (found > img_height_max) /* scales increase */ break; @@ -673,11 +674,12 @@ static int sh_vou_s_fmt_vid_out(struct file *file, void *priv, struct video_device *vdev = video_devdata(file); struct sh_vou_device *vou_dev = video_get_drvdata(vdev); struct v4l2_pix_format *pix = &fmt->fmt.pix; + unsigned int img_height_max; int pix_idx; struct sh_vou_geometry geo; struct v4l2_mbus_framefmt mbfmt = { /* Revisit: is this the correct code? */ - .code = V4L2_MBUS_FMT_YUYV8_2X8_LE, + .code = V4L2_MBUS_FMT_YUYV8_2X8, .field = V4L2_FIELD_INTERLACED, .colorspace = V4L2_COLORSPACE_SMPTE170M, }; @@ -701,9 +703,14 @@ static int sh_vou_s_fmt_vid_out(struct file *file, void *priv, if (pix_idx == ARRAY_SIZE(vou_fmt)) return -EINVAL; + if (vou_dev->std & V4L2_STD_525_60) + img_height_max = 480; + else + img_height_max = 576; + /* Image width must be a multiple of 4 */ v4l_bound_align_image(&pix->width, 0, VOU_MAX_IMAGE_WIDTH, 2, - &pix->height, 0, VOU_MAX_IMAGE_HEIGHT, 1, 0); + &pix->height, 0, img_height_max, 1, 0); geo.in_width = pix->width; geo.in_height = pix->height; @@ -724,8 +731,8 @@ static int sh_vou_s_fmt_vid_out(struct file *file, void *priv, /* Sanity checks */ if ((unsigned)mbfmt.width > VOU_MAX_IMAGE_WIDTH || - (unsigned)mbfmt.height > VOU_MAX_IMAGE_HEIGHT || - mbfmt.code != V4L2_MBUS_FMT_YUYV8_2X8_LE) + (unsigned)mbfmt.height > img_height_max || + mbfmt.code != V4L2_MBUS_FMT_YUYV8_2X8) return -EIO; if (mbfmt.width != geo.output.width || @@ -936,10 +943,11 @@ static int sh_vou_s_crop(struct file *file, void *fh, struct v4l2_crop *a) struct sh_vou_geometry geo; struct v4l2_mbus_framefmt mbfmt = { /* Revisit: is this the correct code? */ - .code = V4L2_MBUS_FMT_YUYV8_2X8_LE, + .code = V4L2_MBUS_FMT_YUYV8_2X8, .field = V4L2_FIELD_INTERLACED, .colorspace = V4L2_COLORSPACE_SMPTE170M, }; + unsigned int img_height_max; int ret; dev_dbg(vou_dev->v4l2_dev.dev, "%s(): %ux%u@%u:%u\n", __func__, @@ -948,14 +956,19 @@ static int sh_vou_s_crop(struct file *file, void *fh, struct v4l2_crop *a) if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) return -EINVAL; + if (vou_dev->std & V4L2_STD_525_60) + img_height_max = 480; + else + img_height_max = 576; + v4l_bound_align_image(&rect->width, 0, VOU_MAX_IMAGE_WIDTH, 1, - &rect->height, 0, VOU_MAX_IMAGE_HEIGHT, 1, 0); + &rect->height, 0, img_height_max, 1, 0); if (rect->width + rect->left > VOU_MAX_IMAGE_WIDTH) rect->left = VOU_MAX_IMAGE_WIDTH - rect->width; - if (rect->height + rect->top > VOU_MAX_IMAGE_HEIGHT) - rect->top = VOU_MAX_IMAGE_HEIGHT - rect->height; + if (rect->height + rect->top > img_height_max) + rect->top = img_height_max - rect->height; geo.output = *rect; geo.in_width = pix->width; @@ -980,8 +993,8 @@ static int sh_vou_s_crop(struct file *file, void *fh, struct v4l2_crop *a) /* Sanity checks */ if ((unsigned)mbfmt.width > VOU_MAX_IMAGE_WIDTH || - (unsigned)mbfmt.height > VOU_MAX_IMAGE_HEIGHT || - mbfmt.code != V4L2_MBUS_FMT_YUYV8_2X8_LE) + (unsigned)mbfmt.height > img_height_max || + mbfmt.code != V4L2_MBUS_FMT_YUYV8_2X8) return -EIO; geo.output.width = mbfmt.width; @@ -1329,13 +1342,13 @@ static int __devinit sh_vou_probe(struct platform_device *pdev) rect->left = 0; rect->top = 0; rect->width = VOU_MAX_IMAGE_WIDTH; - rect->height = VOU_MAX_IMAGE_HEIGHT; + rect->height = 480; pix->width = VOU_MAX_IMAGE_WIDTH; - pix->height = VOU_MAX_IMAGE_HEIGHT; + pix->height = 480; pix->pixelformat = V4L2_PIX_FMT_YVYU; pix->field = V4L2_FIELD_NONE; pix->bytesperline = VOU_MAX_IMAGE_WIDTH * 2; - pix->sizeimage = VOU_MAX_IMAGE_WIDTH * 2 * VOU_MAX_IMAGE_HEIGHT; + pix->sizeimage = VOU_MAX_IMAGE_WIDTH * 2 * 480; pix->colorspace = V4L2_COLORSPACE_SMPTE170M; region = request_mem_region(reg_res->start, resource_size(reg_res), |