[COMMON] media: smfc: add format definitions and enumeration

Change-Id: Idf188d3d4a40195abea841e535ef7352bd593d02
Signed-off-by: Cho KyongHo <pullip.cho@samsung.com>

diff --git a/drivers/media/platform/exynos/smfc/smfc-regs.h b/drivers/media/platform/exynos/smfc/smfc-regs.h
index 9fb9e9f1f83c8255dcae9bef4fa4c498320bfcf5..ac3af77b307f2f0ea6b85cd46bf89b62d7f05289 100644 (file)
--- a/drivers/media/platform/exynos/smfc/smfc-regs.h
+++ b/drivers/media/platform/exynos/smfc/smfc-regs.h
@@ -12,6 +12,82 @@
 #ifndef _MEDIA_EXYNOS_SMFC_REGS_H_
 #define _MEDIA_EXYNOS_SMFC_REGS_H_
 
+#define REG_MAIN_IMAGE_FORMAT          0x040
+#define REG_SECD_IMAGE_FORMAT          0x0B8
+
 #define REG_IP_VERSION_NUMBER          0x064
 
+/* Value definitions of MAIN/SECONDARY_IMAGE_FORMAT */
+enum {
+       IMGSEL_GRAY,
+       IMGSEL_RGB,
+       IMGSEL_444,     /* YUV */
+       IMGSEL_422,     /* YUV */
+       IMGSEL_420,     /* YUV */
+       IMGSEL_422V,    /* YUV */
+       IMGSEL_411      /* YUV */
+};
+#define IMGFMT_RGBSHIFT                6
+enum {
+       RGBSEL_RGB565 = 4,
+       RGBSEL_ARGB32,
+       RGBSEL_RGB24,
+};
+#define IMGFMT_444SHIFT                9
+#define IMGFMT_422SHIFT                12
+#define IMGFMT_420SHIFT                15
+#define IMGFMT_422VSHIFT       18
+#define IMGFMT_411SHIFT                21
+enum {
+       YUVSEL_2P = 4,
+       YUVSEL_3P = 5,
+       YUV422SEL_1P = 4,
+       YUV422SEL_2P = 5,
+       YUV422SEL_3P = 6,
+};
+
+#define IMGFMT_RGBSWAP         (1 << 30)
+#define IMGFMT_UVSWAP          (1 << 27)
+enum {
+       YUVSEL_YUYV = 0,
+       YUVSEL_YVYU = 1 << 28,
+       YUVSEL_UYVY = 2 << 28,
+       YUVSEL_VYUY = 3 << 28,
+};
+
+#define SMFC_IMGFMT_RGB565 (IMGSEL_RGB | (RGBSEL_RGB565 << IMGFMT_RGBSHIFT))
+#define SMFC_IMGFMT_BGR565 (IMGSEL_RGB | (RGBSEL_RGB565 << IMGFMT_RGBSHIFT)\
+                               | IMGFMT_RGBSWAP)
+#define SMFC_IMGFMT_RGB24  (IMGSEL_RGB | (RGBSEL_RGB24 << IMGFMT_RGBSHIFT))
+#define SMFC_IMGFMT_BGR24  (IMGSEL_RGB | (RGBSEL_RGB24 << IMGFMT_RGBSHIFT) \
+                               | IMGFMT_RGBSWAP)
+#define SMFC_IMGFMT_BGRA32  (IMGSEL_RGB | (RGBSEL_ARGB32 << IMGFMT_RGBSHIFT))
+#define SMFC_IMGFMT_RGBA32  (IMGSEL_RGB | (RGBSEL_ARGB32 << IMGFMT_RGBSHIFT)\
+                               | IMGFMT_RGBSWAP)
+#define SMFC_IMGFMT_NV12    (IMGSEL_420 | (YUVSEL_2P << IMGFMT_420SHIFT))
+#define SMFC_IMGFMT_NV21    (IMGSEL_420 | (YUVSEL_2P << IMGFMT_420SHIFT) \
+                               | IMGFMT_UVSWAP)
+#define SMFC_IMGFMT_YUV420P (IMGSEL_420 | (YUVSEL_3P << IMGFMT_420SHIFT))
+#define SMFC_IMGFMT_YVU420P (IMGSEL_420 | (YUVSEL_3P << IMGFMT_420SHIFT) \
+                               | IMGFMT_UVSWAP)
+#define SMFC_IMGFMT_YUYV    (IMGSEL_422 | (YUV422SEL_1P << IMGFMT_422SHIFT) \
+                               | YUVSEL_YUYV)
+#define SMFC_IMGFMT_YVYU    (IMGSEL_422 | (YUV422SEL_1P << IMGFMT_422SHIFT) \
+                               | YUVSEL_YVYU)
+#define SMFC_IMGFMT_UYVY    (IMGSEL_422 | (YUV422SEL_1P << IMGFMT_422SHIFT) \
+                               | YUVSEL_UYVY)
+#define SMFC_IMGFMT_VYUY    (IMGSEL_422 | (YUV422SEL_1P << IMGFMT_422SHIFT) \
+                               | YUVSEL_VYUY)
+#define SMFC_IMGFMT_NV16    (IMGSEL_422 | (YUV422SEL_2P << IMGFMT_422SHIFT))
+#define SMFC_IMGFMT_NV61    (IMGSEL_422 | (YUV422SEL_2P << IMGFMT_422SHIFT) \
+                               | IMGFMT_UVSWAP)
+#define SMFC_IMGFMT_YUV422  (IMGSEL_422 | (YUV422SEL_3P << IMGFMT_422SHIFT))
+#define SMFC_IMGFMT_YUV444  (IMGSEL_444 | (YUVSEL_3P << IMGFMT_444SHIFT))
+
+#define SMFC_IMGFMT_JPEG444  (1 << 24)
+#define SMFC_IMGFMT_JPEG422  (2 << 24)
+#define SMFC_IMGFMT_JPEG420  (3 << 24)
+#define SMFC_IMGFMT_JPEG422V (4 << 24)
+#define SMFC_IMGFMT_JPEG411  (5 << 24)
+
 #endif /* _MEDIA_EXYNOS_SMFC_REGS_H_ */

diff --git a/drivers/media/platform/exynos/smfc/smfc.c b/drivers/media/platform/exynos/smfc/smfc.c
index 49fd0c184170ddc8bb032be83a96f8656d23824a..89a9c2f68eaf48a5bbeda98bdfb52715d548d2c3 100644 (file)
--- a/drivers/media/platform/exynos/smfc/smfc.c
+++ b/drivers/media/platform/exynos/smfc/smfc.c
@@ -29,6 +29,210 @@
 #include "smfc.h"
 #include "smfc-regs.h"
 
+const struct smfc_image_format smfc_image_formats[] = {
+       {
+               /* JPEG should be the first format */
+               .description    = "Baseline JPEG(Sequential DCT)",
+               .v4l2_pixfmt    = V4L2_PIX_FMT_JPEG,
+               .regcfg         = 0, /* Chagneable accroding to chroma factor */
+               .bpp_buf        = {0}, /* undeterministic */
+               .bpp_pix        = {0}, /* undeterministic */
+               .num_planes     = 1,
+               .num_buffers    = 1,
+               .chroma_hfactor = 1, /* dummy chroma subsampling factor */
+               .chroma_vfactor = 1, /* These will not affect to H/W config. */
+       }, {
+               /* YUYV is the default format */
+               .description    = "YUV4:2:2 1-Plane 16BPP",
+               .v4l2_pixfmt    = V4L2_PIX_FMT_YUYV,
+               .regcfg         = SMFC_IMGFMT_YUYV,
+               .bpp_buf        = {16},
+               .bpp_pix        = {16},
+               .num_planes     = 1,
+               .num_buffers    = 1,
+               .chroma_hfactor = 2,
+               .chroma_vfactor = 1,
+       }, {
+               .description    = "YUV4:2:2 1-Plane 16BPP",
+               .v4l2_pixfmt    = V4L2_PIX_FMT_YVYU,
+               .regcfg         = SMFC_IMGFMT_YVYU,
+               .bpp_buf        = {16},
+               .bpp_pix        = {16},
+               .num_planes     = 1,
+               .num_buffers    = 1,
+               .chroma_hfactor = 2,
+               .chroma_vfactor = 1,
+       }, {
+               .description    = "YUV4:2:2 2-Plane 16BPP",
+               .v4l2_pixfmt    = V4L2_PIX_FMT_NV16,
+               .regcfg         = SMFC_IMGFMT_NV16,
+               .bpp_buf        = {16},
+               .bpp_pix        = {8, 8, 0},
+               .num_planes     = 2,
+               .num_buffers    = 1,
+               .chroma_hfactor = 2,
+               .chroma_vfactor = 1,
+       }, {
+               .description    = "YUV4:2:2 2-Plane 16BPP",
+               .v4l2_pixfmt    = V4L2_PIX_FMT_NV61,
+               .regcfg         = SMFC_IMGFMT_NV61,
+               .bpp_buf        = {16},
+               .bpp_pix        = {8, 8, 0},
+               .num_planes     = 2,
+               .num_buffers    = 1,
+               .chroma_hfactor = 2,
+               .chroma_vfactor = 1,
+       }, {
+               .description    = "YUV4:2:2 3-Plane 16BPP",
+               .v4l2_pixfmt    = V4L2_PIX_FMT_YUV422P,
+               .regcfg         = SMFC_IMGFMT_YUV422,
+               .bpp_buf        = {16},
+               .bpp_pix        = {8, 2, 2},
+               .num_planes     = 3,
+               .num_buffers    = 1,
+               .chroma_hfactor = 2,
+               .chroma_vfactor = 1,
+       }, {
+               .description    = "YUV4:2:0 2-Plane(Cb/Cr) 12BPP",
+               .v4l2_pixfmt    = V4L2_PIX_FMT_NV12,
+               .regcfg         = SMFC_IMGFMT_NV12,
+               .bpp_buf        = {12},
+               .bpp_pix        = {8, 4, 0},
+               .num_planes     = 2,
+               .num_buffers    = 1,
+               .chroma_hfactor = 2,
+               .chroma_vfactor = 2,
+       }, {
+               .description    = "YUV4:2:0 2-Plane(Cr/Cb) 12BPP",
+               .v4l2_pixfmt    = V4L2_PIX_FMT_NV21,
+               .regcfg         = SMFC_IMGFMT_NV21,
+               .bpp_buf        = {12},
+               .bpp_pix        = {8, 4, 0},
+               .num_planes     = 2,
+               .num_buffers    = 1,
+               .chroma_hfactor = 2,
+               .chroma_vfactor = 2,
+       }, {
+               .description    = "YUV4:2:0 3-Plane 12BPP",
+               .v4l2_pixfmt    = V4L2_PIX_FMT_YUV420,
+               .regcfg         = SMFC_IMGFMT_YUV420P,
+               .bpp_buf        = {12},
+               .bpp_pix        = {8, 2, 2},
+               .num_planes     = 3,
+               .num_buffers    = 1,
+               .chroma_hfactor = 2,
+               .chroma_vfactor = 2,
+       }, {
+               .description    = "YVU4:2:0 3-Plane 12BPP",
+               .v4l2_pixfmt    = V4L2_PIX_FMT_YVU420,
+               .regcfg         = SMFC_IMGFMT_YVU420P,
+               .bpp_buf        = {12},
+               .bpp_pix        = {8, 2, 2},
+               .num_planes     = 3,
+               .num_buffers    = 1,
+               .chroma_hfactor = 2,
+               .chroma_vfactor = 2,
+       }, {
+               .description    = "YUV4:4:4 3-Plane 16BPP",
+               .v4l2_pixfmt    = V4L2_PIX_FMT_YUV444,
+               .regcfg         = SMFC_IMGFMT_YUV444,
+               .bpp_buf        = {24},
+               .bpp_pix        = {8, 8, 8},
+               .num_planes     = 3,
+               .num_buffers    = 1,
+               .chroma_hfactor = 1,
+               .chroma_vfactor = 1,
+       }, {
+               .description    = "RGB565 LE 16BPP",
+               .v4l2_pixfmt    = V4L2_PIX_FMT_RGB565,
+               .regcfg         = SMFC_IMGFMT_RGB565,
+               .bpp_buf        = {16},
+               .bpp_pix        = {16},
+               .num_planes     = 1,
+               .num_buffers    = 1,
+       }, {
+               .description    = "RGB565 BE 16BPP",
+               .v4l2_pixfmt    = V4L2_PIX_FMT_RGB565X,
+               .regcfg         = SMFC_IMGFMT_BGR565,
+               .bpp_buf        = {16},
+               .bpp_pix        = {16},
+               .num_planes     = 1,
+               .num_buffers    = 1,
+       }, {
+               .description    = "RGB888 LE 24BPP",
+               .v4l2_pixfmt    = V4L2_PIX_FMT_RGB24,
+               .regcfg         = SMFC_IMGFMT_RGB24,
+               .bpp_buf        = {24},
+               .bpp_pix        = {24},
+               .num_planes     = 1,
+               .num_buffers    = 1,
+       }, {
+               .description    = "RGB888 BE 24BPP",
+               .v4l2_pixfmt    = V4L2_PIX_FMT_BGR24,
+               .regcfg         = SMFC_IMGFMT_BGR24,
+               .bpp_buf        = {24},
+               .bpp_pix        = {24},
+               .num_planes     = 1,
+               .num_buffers    = 1,
+       }, {
+               .description    = "ABGR8888 LE 32BPP",
+               .v4l2_pixfmt    = V4L2_PIX_FMT_RGB32,
+               .regcfg         = SMFC_IMGFMT_RGBA32,
+               .bpp_pix        = {32},
+               .num_planes     = 1,
+               .num_buffers    = 1,
+       }, {
+               .description    = "ARGB8888 BE 32BPP",
+               .v4l2_pixfmt    = V4L2_PIX_FMT_BGR32,
+               .regcfg         = SMFC_IMGFMT_BGRA32,
+               .bpp_pix        = {32},
+               .num_planes     = 1,
+               .num_buffers    = 1,
+       },
+       /* multi-planar formats must be at the last becuse of VIDOC_ENUM_FMT */
+       {
+               .description    = "YUV4:2:0 2-MPlane(Cb/Cr) 8+4BPP",
+               .v4l2_pixfmt    = V4L2_PIX_FMT_NV12M,
+               .regcfg         = SMFC_IMGFMT_NV12,
+               .bpp_buf        = {8, 4},
+               .bpp_pix        = {8, 4},
+               .num_planes     = 2,
+               .num_buffers    = 2,
+               .chroma_hfactor = 2,
+               .chroma_vfactor = 2,
+       }, {
+               .description    = "YUV4:2:0 2-MPlane(Cr/Cb) 8+4BPP",
+               .v4l2_pixfmt    = V4L2_PIX_FMT_NV21M,
+               .regcfg         = SMFC_IMGFMT_NV21,
+               .bpp_buf        = {8, 4},
+               .bpp_pix        = {8, 4},
+               .num_planes     = 2,
+               .num_buffers    = 2,
+               .chroma_hfactor = 2,
+               .chroma_vfactor = 2,
+       }, {
+               .description    = "YUV4:2:0 3-MPlane 8+2+2BPP",
+               .v4l2_pixfmt    = V4L2_PIX_FMT_YUV420M,
+               .regcfg         = SMFC_IMGFMT_YUV420P,
+               .bpp_buf        = {8, 2, 2},
+               .bpp_pix        = {8, 2, 2},
+               .num_planes     = 3,
+               .num_buffers    = 3,
+               .chroma_hfactor = 2,
+               .chroma_vfactor = 2,
+       }, {
+               .description    = "YVU4:2:0 3-MPlane 8+2+2BPP",
+               .v4l2_pixfmt    = V4L2_PIX_FMT_YVU420M,
+               .regcfg         = SMFC_IMGFMT_YVU420P,
+               .bpp_buf        = {8, 2, 2},
+               .bpp_pix        = {8, 2, 2},
+               .num_planes     = 3,
+               .num_buffers    = 3,
+               .chroma_hfactor = 2,
+               .chroma_vfactor = 2,
+       }
+};
+
 static irqreturn_t exynos_smfc_irq_handler(int irq, void *priv)
 {
        return IRQ_HANDLED;
@@ -209,7 +413,39 @@ static const struct v4l2_file_operations smfc_v4l2_fops = {
        .mmap           = exynos_smfc_mmap,
 };
 
+static int smfc_v4l2_enum_fmt_mplane(struct file *filp, void *fh,
+                                    struct v4l2_fmtdesc *f)
+{
+       const struct smfc_image_format *fmt;
+
+       if (f->index >= ARRAY_SIZE(smfc_image_formats))
+               return -EINVAL;
+
+       fmt = &smfc_image_formats[f->index];
+       strncpy(f->description, fmt->description, sizeof(f->description));
+       f->description[sizeof(f->description) - 1] = '\0';
+       f->pixelformat = fmt->v4l2_pixfmt;
+       if (fmt->bpp_buf[0] == 0)
+               f->flags = V4L2_FMT_FLAG_COMPRESSED;
+
+       return 0;
+}
+
+static int smfc_v4l2_enum_fmt(struct file *filp, void *fh,
+                             struct v4l2_fmtdesc *f)
+{
+       int ret = smfc_v4l2_enum_fmt_mplane(filp, fh, f);
+       if (ret < 0)
+               return ret;
+
+       return smfc_image_formats[f->index].num_buffers > 1 ? -EINVAL : 0;
+}
+
 static const struct v4l2_ioctl_ops smfc_v4l2_ioctl_ops = {
+       .vidioc_enum_fmt_vid_cap        = smfc_v4l2_enum_fmt,
+       .vidioc_enum_fmt_vid_out        = smfc_v4l2_enum_fmt,
+       .vidioc_enum_fmt_vid_cap_mplane = smfc_v4l2_enum_fmt_mplane,
+       .vidioc_enum_fmt_vid_out_mplane = smfc_v4l2_enum_fmt_mplane,
 };
 
 static void smfc_m2m_device_run(void *priv)

diff --git a/drivers/media/platform/exynos/smfc/smfc.h b/drivers/media/platform/exynos/smfc/smfc.h
index a7ea8fb7dfbc9bc05b4a221ce48f96c1c8c127a9..cdc0df0a00e4bfdf8419e433f0697d36914dbd84 100644 (file)
--- a/drivers/media/platform/exynos/smfc/smfc.h
+++ b/drivers/media/platform/exynos/smfc/smfc.h
@@ -17,6 +17,18 @@
 struct device;
 struct video_device;
 
+struct smfc_image_format {
+       const char      *description;
+       __u32           v4l2_pixfmt;
+       u32             regcfg;
+       unsigned char   bpp_buf[3];
+       unsigned char   bpp_pix[3];
+       unsigned char   num_planes;
+       unsigned char   num_buffers;
+       unsigned char   chroma_hfactor;
+       unsigned char   chroma_vfactor;
+};
+
 struct smfc_dev {
        struct v4l2_device v4l2_dev;
        struct video_device *videodev;