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Date: Thu, 27 Nov 2014 22:10:11 +0100 (CET)
From: Guennadi Liakhovetski <g.liakhovetski@....de>
To: Josh Wu <josh.wu@...el.com>
cc: linux-media@...r.kernel.org, m.chehab@...sung.com,
linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] media: ov2640: use the v4l2 size definitions
Hi Josh,
On Tue, 25 Nov 2014, Josh Wu wrote:
> Reuse the v4l2 size definitions from v4l2-image-sizes.h.
> So we can remove the rudundent definitions from ov2640.c.
>
> Signed-off-by: Josh Wu <josh.wu@...el.com>
Now this patch run-time depends on your "v4l2-image-sizes.h: correct the
SVGA height definition" fix, without it SVGA will break for ov2640.
Thanks
Guennadi
> ---
> drivers/media/i2c/soc_camera/ov2640.c | 82 +++++++++++++----------------------
> 1 file changed, 30 insertions(+), 52 deletions(-)
>
> diff --git a/drivers/media/i2c/soc_camera/ov2640.c b/drivers/media/i2c/soc_camera/ov2640.c
> index 6f2dd90..1fdce2f 100644
> --- a/drivers/media/i2c/soc_camera/ov2640.c
> +++ b/drivers/media/i2c/soc_camera/ov2640.c
> @@ -25,6 +25,7 @@
> #include <media/v4l2-clk.h>
> #include <media/v4l2-subdev.h>
> #include <media/v4l2-ctrls.h>
> +#include <media/v4l2-image-sizes.h>
>
> #define VAL_SET(x, mask, rshift, lshift) \
> ((((x) >> rshift) & mask) << lshift)
> @@ -268,33 +269,10 @@ struct regval_list {
> u8 value;
> };
>
> -/* Supported resolutions */
> -enum ov2640_width {
> - W_QCIF = 176,
> - W_QVGA = 320,
> - W_CIF = 352,
> - W_VGA = 640,
> - W_SVGA = 800,
> - W_XGA = 1024,
> - W_SXGA = 1280,
> - W_UXGA = 1600,
> -};
> -
> -enum ov2640_height {
> - H_QCIF = 144,
> - H_QVGA = 240,
> - H_CIF = 288,
> - H_VGA = 480,
> - H_SVGA = 600,
> - H_XGA = 768,
> - H_SXGA = 1024,
> - H_UXGA = 1200,
> -};
> -
> struct ov2640_win_size {
> char *name;
> - enum ov2640_width width;
> - enum ov2640_height height;
> + u32 width;
> + u32 height;
> const struct regval_list *regs;
> };
>
> @@ -495,17 +473,17 @@ static const struct regval_list ov2640_init_regs[] = {
> static const struct regval_list ov2640_size_change_preamble_regs[] = {
> { BANK_SEL, BANK_SEL_DSP },
> { RESET, RESET_DVP },
> - { HSIZE8, HSIZE8_SET(W_UXGA) },
> - { VSIZE8, VSIZE8_SET(H_UXGA) },
> + { HSIZE8, HSIZE8_SET(UXGA_WIDTH) },
> + { VSIZE8, VSIZE8_SET(UXGA_HEIGHT) },
> { CTRL2, CTRL2_DCW_EN | CTRL2_SDE_EN |
> CTRL2_UV_AVG_EN | CTRL2_CMX_EN | CTRL2_UV_ADJ_EN },
> - { HSIZE, HSIZE_SET(W_UXGA) },
> - { VSIZE, VSIZE_SET(H_UXGA) },
> + { HSIZE, HSIZE_SET(UXGA_WIDTH) },
> + { VSIZE, VSIZE_SET(UXGA_HEIGHT) },
> { XOFFL, XOFFL_SET(0) },
> { YOFFL, YOFFL_SET(0) },
> - { VHYX, VHYX_HSIZE_SET(W_UXGA) | VHYX_VSIZE_SET(H_UXGA) |
> + { VHYX, VHYX_HSIZE_SET(UXGA_WIDTH) | VHYX_VSIZE_SET(UXGA_HEIGHT) |
> VHYX_XOFF_SET(0) | VHYX_YOFF_SET(0)},
> - { TEST, TEST_HSIZE_SET(W_UXGA) },
> + { TEST, TEST_HSIZE_SET(UXGA_WIDTH) },
> ENDMARKER,
> };
>
> @@ -519,45 +497,45 @@ static const struct regval_list ov2640_size_change_preamble_regs[] = {
> { RESET, 0x00}
>
> static const struct regval_list ov2640_qcif_regs[] = {
> - PER_SIZE_REG_SEQ(W_QCIF, H_QCIF, 3, 3, 4),
> + PER_SIZE_REG_SEQ(QCIF_WIDTH, QCIF_HEIGHT, 3, 3, 4),
> ENDMARKER,
> };
>
> static const struct regval_list ov2640_qvga_regs[] = {
> - PER_SIZE_REG_SEQ(W_QVGA, H_QVGA, 2, 2, 4),
> + PER_SIZE_REG_SEQ(QVGA_WIDTH, QVGA_HEIGHT, 2, 2, 4),
> ENDMARKER,
> };
>
> static const struct regval_list ov2640_cif_regs[] = {
> - PER_SIZE_REG_SEQ(W_CIF, H_CIF, 2, 2, 8),
> + PER_SIZE_REG_SEQ(CIF_WIDTH, CIF_HEIGHT, 2, 2, 8),
> ENDMARKER,
> };
>
> static const struct regval_list ov2640_vga_regs[] = {
> - PER_SIZE_REG_SEQ(W_VGA, H_VGA, 0, 0, 2),
> + PER_SIZE_REG_SEQ(VGA_WIDTH, VGA_HEIGHT, 0, 0, 2),
> ENDMARKER,
> };
>
> static const struct regval_list ov2640_svga_regs[] = {
> - PER_SIZE_REG_SEQ(W_SVGA, H_SVGA, 1, 1, 2),
> + PER_SIZE_REG_SEQ(SVGA_WIDTH, SVGA_HEIGHT, 1, 1, 2),
> ENDMARKER,
> };
>
> static const struct regval_list ov2640_xga_regs[] = {
> - PER_SIZE_REG_SEQ(W_XGA, H_XGA, 0, 0, 2),
> + PER_SIZE_REG_SEQ(XGA_WIDTH, XGA_HEIGHT, 0, 0, 2),
> { CTRLI, 0x00},
> ENDMARKER,
> };
>
> static const struct regval_list ov2640_sxga_regs[] = {
> - PER_SIZE_REG_SEQ(W_SXGA, H_SXGA, 0, 0, 2),
> + PER_SIZE_REG_SEQ(SXGA_WIDTH, SXGA_HEIGHT, 0, 0, 2),
> { CTRLI, 0x00},
> { R_DVP_SP, 2 | R_DVP_SP_AUTO_MODE },
> ENDMARKER,
> };
>
> static const struct regval_list ov2640_uxga_regs[] = {
> - PER_SIZE_REG_SEQ(W_UXGA, H_UXGA, 0, 0, 0),
> + PER_SIZE_REG_SEQ(UXGA_WIDTH, UXGA_HEIGHT, 0, 0, 0),
> { CTRLI, 0x00},
> { R_DVP_SP, 0 | R_DVP_SP_AUTO_MODE },
> ENDMARKER,
> @@ -567,14 +545,14 @@ static const struct regval_list ov2640_uxga_regs[] = {
> {.name = n, .width = w , .height = h, .regs = r }
>
> static const struct ov2640_win_size ov2640_supported_win_sizes[] = {
> - OV2640_SIZE("QCIF", W_QCIF, H_QCIF, ov2640_qcif_regs),
> - OV2640_SIZE("QVGA", W_QVGA, H_QVGA, ov2640_qvga_regs),
> - OV2640_SIZE("CIF", W_CIF, H_CIF, ov2640_cif_regs),
> - OV2640_SIZE("VGA", W_VGA, H_VGA, ov2640_vga_regs),
> - OV2640_SIZE("SVGA", W_SVGA, H_SVGA, ov2640_svga_regs),
> - OV2640_SIZE("XGA", W_XGA, H_XGA, ov2640_xga_regs),
> - OV2640_SIZE("SXGA", W_SXGA, H_SXGA, ov2640_sxga_regs),
> - OV2640_SIZE("UXGA", W_UXGA, H_UXGA, ov2640_uxga_regs),
> + OV2640_SIZE("QCIF", QCIF_WIDTH, QCIF_HEIGHT, ov2640_qcif_regs),
> + OV2640_SIZE("QVGA", QVGA_WIDTH, QVGA_HEIGHT, ov2640_qvga_regs),
> + OV2640_SIZE("CIF", CIF_WIDTH, CIF_HEIGHT, ov2640_cif_regs),
> + OV2640_SIZE("VGA", VGA_WIDTH, VGA_HEIGHT, ov2640_vga_regs),
> + OV2640_SIZE("SVGA", SVGA_WIDTH, SVGA_HEIGHT, ov2640_svga_regs),
> + OV2640_SIZE("XGA", XGA_WIDTH, XGA_HEIGHT, ov2640_xga_regs),
> + OV2640_SIZE("SXGA", SXGA_WIDTH, SXGA_HEIGHT, ov2640_sxga_regs),
> + OV2640_SIZE("UXGA", UXGA_WIDTH, UXGA_HEIGHT, ov2640_uxga_regs),
> };
>
> /*
> @@ -867,7 +845,7 @@ static int ov2640_g_fmt(struct v4l2_subdev *sd,
> struct ov2640_priv *priv = to_ov2640(client);
>
> if (!priv->win) {
> - u32 width = W_SVGA, height = H_SVGA;
> + u32 width = SVGA_WIDTH, height = SVGA_HEIGHT;
> priv->win = ov2640_select_win(&width, &height);
> priv->cfmt_code = MEDIA_BUS_FMT_UYVY8_2X8;
> }
> @@ -954,8 +932,8 @@ static int ov2640_g_crop(struct v4l2_subdev *sd, struct v4l2_crop *a)
> {
> a->c.left = 0;
> a->c.top = 0;
> - a->c.width = W_UXGA;
> - a->c.height = H_UXGA;
> + a->c.width = UXGA_WIDTH;
> + a->c.height = UXGA_HEIGHT;
> a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
>
> return 0;
> @@ -965,8 +943,8 @@ static int ov2640_cropcap(struct v4l2_subdev *sd, struct v4l2_cropcap *a)
> {
> a->bounds.left = 0;
> a->bounds.top = 0;
> - a->bounds.width = W_UXGA;
> - a->bounds.height = H_UXGA;
> + a->bounds.width = UXGA_WIDTH;
> + a->bounds.height = UXGA_HEIGHT;
> a->defrect = a->bounds;
> a->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
> a->pixelaspect.numerator = 1;
> --
> 1.9.1
>
--
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