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path: root/drivers/media/video/sh_vou.c
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Diffstat (limited to 'drivers/media/video/sh_vou.c')
-rw-r--r--drivers/media/video/sh_vou.c56
1 files changed, 34 insertions, 22 deletions
diff --git a/drivers/media/video/sh_vou.c b/drivers/media/video/sh_vou.c
index 3869d515feb..d394187eb70 100644
--- a/drivers/media/video/sh_vou.c
+++ b/drivers/media/video/sh_vou.c
@@ -58,7 +58,7 @@ enum sh_vou_status {
58}; 58};
59 59
60#define VOU_MAX_IMAGE_WIDTH 720 60#define VOU_MAX_IMAGE_WIDTH 720
61#define VOU_MAX_IMAGE_HEIGHT 480 61#define VOU_MAX_IMAGE_HEIGHT 576
62 62
63struct sh_vou_device { 63struct sh_vou_device {
64 struct v4l2_device v4l2_dev; 64 struct v4l2_device v4l2_dev;
@@ -528,20 +528,17 @@ struct sh_vou_geometry {
528static void vou_adjust_input(struct sh_vou_geometry *geo, v4l2_std_id std) 528static void vou_adjust_input(struct sh_vou_geometry *geo, v4l2_std_id std)
529{ 529{
530 /* The compiler cannot know, that best and idx will indeed be set */ 530 /* The compiler cannot know, that best and idx will indeed be set */
531 unsigned int best_err = UINT_MAX, best = 0, width_max, height_max; 531 unsigned int best_err = UINT_MAX, best = 0, img_height_max;
532 int i, idx = 0; 532 int i, idx = 0;
533 533
534 if (std & V4L2_STD_525_60) { 534 if (std & V4L2_STD_525_60)
535 width_max = 858; 535 img_height_max = 480;
536 height_max = 262; 536 else
537 } else { 537 img_height_max = 576;
538 width_max = 864;
539 height_max = 312;
540 }
541 538
542 /* Image width must be a multiple of 4 */ 539 /* Image width must be a multiple of 4 */
543 v4l_bound_align_image(&geo->in_width, 0, VOU_MAX_IMAGE_WIDTH, 2, 540 v4l_bound_align_image(&geo->in_width, 0, VOU_MAX_IMAGE_WIDTH, 2,
544 &geo->in_height, 0, VOU_MAX_IMAGE_HEIGHT, 1, 0); 541 &geo->in_height, 0, img_height_max, 1, 0);
545 542
546 /* Select scales to come as close as possible to the output image */ 543 /* Select scales to come as close as possible to the output image */
547 for (i = ARRAY_SIZE(vou_scale_h_num) - 1; i >= 0; i--) { 544 for (i = ARRAY_SIZE(vou_scale_h_num) - 1; i >= 0; i--) {
@@ -574,7 +571,7 @@ static void vou_adjust_input(struct sh_vou_geometry *geo, v4l2_std_id std)
574 unsigned int found = geo->output.height * vou_scale_v_den[i] / 571 unsigned int found = geo->output.height * vou_scale_v_den[i] /
575 vou_scale_v_num[i]; 572 vou_scale_v_num[i];
576 573
577 if (found > VOU_MAX_IMAGE_HEIGHT) 574 if (found > img_height_max)
578 /* scales increase */ 575 /* scales increase */
579 break; 576 break;
580 577
@@ -598,15 +595,18 @@ static void vou_adjust_input(struct sh_vou_geometry *geo, v4l2_std_id std)
598 */ 595 */
599static void vou_adjust_output(struct sh_vou_geometry *geo, v4l2_std_id std) 596static void vou_adjust_output(struct sh_vou_geometry *geo, v4l2_std_id std)
600{ 597{
601 unsigned int best_err = UINT_MAX, best, width_max, height_max; 598 unsigned int best_err = UINT_MAX, best, width_max, height_max,
599 img_height_max;
602 int i, idx; 600 int i, idx;
603 601
604 if (std & V4L2_STD_525_60) { 602 if (std & V4L2_STD_525_60) {
605 width_max = 858; 603 width_max = 858;
606 height_max = 262 * 2; 604 height_max = 262 * 2;
605 img_height_max = 480;
607 } else { 606 } else {
608 width_max = 864; 607 width_max = 864;
609 height_max = 312 * 2; 608 height_max = 312 * 2;
609 img_height_max = 576;
610 } 610 }
611 611
612 /* Select scales to come as close as possible to the output image */ 612 /* Select scales to come as close as possible to the output image */
@@ -645,7 +645,7 @@ static void vou_adjust_output(struct sh_vou_geometry *geo, v4l2_std_id std)
645 unsigned int found = geo->in_height * vou_scale_v_num[i] / 645 unsigned int found = geo->in_height * vou_scale_v_num[i] /
646 vou_scale_v_den[i]; 646 vou_scale_v_den[i];
647 647
648 if (found > VOU_MAX_IMAGE_HEIGHT) 648 if (found > img_height_max)
649 /* scales increase */ 649 /* scales increase */
650 break; 650 break;
651 651
@@ -674,6 +674,7 @@ static int sh_vou_s_fmt_vid_out(struct file *file, void *priv,
674 struct video_device *vdev = video_devdata(file); 674 struct video_device *vdev = video_devdata(file);
675 struct sh_vou_device *vou_dev = video_get_drvdata(vdev); 675 struct sh_vou_device *vou_dev = video_get_drvdata(vdev);
676 struct v4l2_pix_format *pix = &fmt->fmt.pix; 676 struct v4l2_pix_format *pix = &fmt->fmt.pix;
677 unsigned int img_height_max;
677 int pix_idx; 678 int pix_idx;
678 struct sh_vou_geometry geo; 679 struct sh_vou_geometry geo;
679 struct v4l2_mbus_framefmt mbfmt = { 680 struct v4l2_mbus_framefmt mbfmt = {
@@ -702,9 +703,14 @@ static int sh_vou_s_fmt_vid_out(struct file *file, void *priv,
702 if (pix_idx == ARRAY_SIZE(vou_fmt)) 703 if (pix_idx == ARRAY_SIZE(vou_fmt))
703 return -EINVAL; 704 return -EINVAL;
704 705
706 if (vou_dev->std & V4L2_STD_525_60)
707 img_height_max = 480;
708 else
709 img_height_max = 576;
710
705 /* Image width must be a multiple of 4 */ 711 /* Image width must be a multiple of 4 */
706 v4l_bound_align_image(&pix->width, 0, VOU_MAX_IMAGE_WIDTH, 2, 712 v4l_bound_align_image(&pix->width, 0, VOU_MAX_IMAGE_WIDTH, 2,
707 &pix->height, 0, VOU_MAX_IMAGE_HEIGHT, 1, 0); 713 &pix->height, 0, img_height_max, 1, 0);
708 714
709 geo.in_width = pix->width; 715 geo.in_width = pix->width;
710 geo.in_height = pix->height; 716 geo.in_height = pix->height;
@@ -725,7 +731,7 @@ static int sh_vou_s_fmt_vid_out(struct file *file, void *priv,
725 731
726 /* Sanity checks */ 732 /* Sanity checks */
727 if ((unsigned)mbfmt.width > VOU_MAX_IMAGE_WIDTH || 733 if ((unsigned)mbfmt.width > VOU_MAX_IMAGE_WIDTH ||
728 (unsigned)mbfmt.height > VOU_MAX_IMAGE_HEIGHT || 734 (unsigned)mbfmt.height > img_height_max ||
729 mbfmt.code != V4L2_MBUS_FMT_YUYV8_2X8) 735 mbfmt.code != V4L2_MBUS_FMT_YUYV8_2X8)
730 return -EIO; 736 return -EIO;
731 737
@@ -941,6 +947,7 @@ static int sh_vou_s_crop(struct file *file, void *fh, struct v4l2_crop *a)
941 .field = V4L2_FIELD_INTERLACED, 947 .field = V4L2_FIELD_INTERLACED,
942 .colorspace = V4L2_COLORSPACE_SMPTE170M, 948 .colorspace = V4L2_COLORSPACE_SMPTE170M,
943 }; 949 };
950 unsigned int img_height_max;
944 int ret; 951 int ret;
945 952
946 dev_dbg(vou_dev->v4l2_dev.dev, "%s(): %ux%u@%u:%u\n", __func__, 953 dev_dbg(vou_dev->v4l2_dev.dev, "%s(): %ux%u@%u:%u\n", __func__,
@@ -949,14 +956,19 @@ static int sh_vou_s_crop(struct file *file, void *fh, struct v4l2_crop *a)
949 if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT) 956 if (a->type != V4L2_BUF_TYPE_VIDEO_OUTPUT)
950 return -EINVAL; 957 return -EINVAL;
951 958
959 if (vou_dev->std & V4L2_STD_525_60)
960 img_height_max = 480;
961 else
962 img_height_max = 576;
963
952 v4l_bound_align_image(&rect->width, 0, VOU_MAX_IMAGE_WIDTH, 1, 964 v4l_bound_align_image(&rect->width, 0, VOU_MAX_IMAGE_WIDTH, 1,
953 &rect->height, 0, VOU_MAX_IMAGE_HEIGHT, 1, 0); 965 &rect->height, 0, img_height_max, 1, 0);
954 966
955 if (rect->width + rect->left > VOU_MAX_IMAGE_WIDTH) 967 if (rect->width + rect->left > VOU_MAX_IMAGE_WIDTH)
956 rect->left = VOU_MAX_IMAGE_WIDTH - rect->width; 968 rect->left = VOU_MAX_IMAGE_WIDTH - rect->width;
957 969
958 if (rect->height + rect->top > VOU_MAX_IMAGE_HEIGHT) 970 if (rect->height + rect->top > img_height_max)
959 rect->top = VOU_MAX_IMAGE_HEIGHT - rect->height; 971 rect->top = img_height_max - rect->height;
960 972
961 geo.output = *rect; 973 geo.output = *rect;
962 geo.in_width = pix->width; 974 geo.in_width = pix->width;
@@ -981,7 +993,7 @@ static int sh_vou_s_crop(struct file *file, void *fh, struct v4l2_crop *a)
981 993
982 /* Sanity checks */ 994 /* Sanity checks */
983 if ((unsigned)mbfmt.width > VOU_MAX_IMAGE_WIDTH || 995 if ((unsigned)mbfmt.width > VOU_MAX_IMAGE_WIDTH ||
984 (unsigned)mbfmt.height > VOU_MAX_IMAGE_HEIGHT || 996 (unsigned)mbfmt.height > img_height_max ||
985 mbfmt.code != V4L2_MBUS_FMT_YUYV8_2X8) 997 mbfmt.code != V4L2_MBUS_FMT_YUYV8_2X8)
986 return -EIO; 998 return -EIO;
987 999
@@ -1330,13 +1342,13 @@ static int __devinit sh_vou_probe(struct platform_device *pdev)
1330 rect->left = 0; 1342 rect->left = 0;
1331 rect->top = 0; 1343 rect->top = 0;
1332 rect->width = VOU_MAX_IMAGE_WIDTH; 1344 rect->width = VOU_MAX_IMAGE_WIDTH;
1333 rect->height = VOU_MAX_IMAGE_HEIGHT; 1345 rect->height = 480;
1334 pix->width = VOU_MAX_IMAGE_WIDTH; 1346 pix->width = VOU_MAX_IMAGE_WIDTH;
1335 pix->height = VOU_MAX_IMAGE_HEIGHT; 1347 pix->height = 480;
1336 pix->pixelformat = V4L2_PIX_FMT_YVYU; 1348 pix->pixelformat = V4L2_PIX_FMT_YVYU;
1337 pix->field = V4L2_FIELD_NONE; 1349 pix->field = V4L2_FIELD_NONE;
1338 pix->bytesperline = VOU_MAX_IMAGE_WIDTH * 2; 1350 pix->bytesperline = VOU_MAX_IMAGE_WIDTH * 2;
1339 pix->sizeimage = VOU_MAX_IMAGE_WIDTH * 2 * VOU_MAX_IMAGE_HEIGHT; 1351 pix->sizeimage = VOU_MAX_IMAGE_WIDTH * 2 * 480;
1340 pix->colorspace = V4L2_COLORSPACE_SMPTE170M; 1352 pix->colorspace = V4L2_COLORSPACE_SMPTE170M;
1341 1353
1342 region = request_mem_region(reg_res->start, resource_size(reg_res), 1354 region = request_mem_region(reg_res->start, resource_size(reg_res),