[media] s5p-jpeg: JPEG codec
Add hardware API for the exynos4x12 on s5p-jpeg.
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
diff --git a/drivers/media/platform/s5p-jpeg/jpeg-core.h b/drivers/media/platform/s5p-jpeg/jpeg-core.h
index 7baadf3..f482dbf 100644
--- a/drivers/media/platform/s5p-jpeg/jpeg-core.h
+++ b/drivers/media/platform/s5p-jpeg/jpeg-core.h
@@ -13,6 +13,7 @@
#ifndef JPEG_CORE_H_
#define JPEG_CORE_H_
+#include <linux/interrupt.h>
#include <media/v4l2-device.h>
#include <media/v4l2-fh.h>
#include <media/v4l2-ctrls.h>
@@ -42,14 +43,46 @@
#define EOI 0xd9
#define DHP 0xde
+/* Flags that indicate a format can be used for capture/output */
+#define SJPEG_FMT_FLAG_ENC_CAPTURE (1 << 0)
+#define SJPEG_FMT_FLAG_ENC_OUTPUT (1 << 1)
+#define SJPEG_FMT_FLAG_DEC_CAPTURE (1 << 2)
+#define SJPEG_FMT_FLAG_DEC_OUTPUT (1 << 3)
+#define SJPEG_FMT_FLAG_S5P (1 << 4)
+#define SJPEG_FMT_FLAG_EXYNOS4 (1 << 5)
+#define SJPEG_FMT_RGB (1 << 6)
+#define SJPEG_FMT_NON_RGB (1 << 7)
+
#define S5P_JPEG_ENCODE 0
#define S5P_JPEG_DECODE 1
-/* Flags that indicate a format can be used for capture/output */
-#define MEM2MEM_CAPTURE (1 << 0)
-#define MEM2MEM_OUTPUT (1 << 1)
+#define FMT_TYPE_OUTPUT 0
+#define FMT_TYPE_CAPTURE 1
+#define SJPEG_SUBSAMPLING_444 0x11
+#define SJPEG_SUBSAMPLING_422 0x21
+#define SJPEG_SUBSAMPLING_420 0x22
+/* Version numbers */
+
+#define SJPEG_S5P 1
+#define SJPEG_EXYNOS4 2
+
+enum exynos4_jpeg_result {
+ OK_ENC_OR_DEC,
+ ERR_PROT,
+ ERR_DEC_INVALID_FORMAT,
+ ERR_MULTI_SCAN,
+ ERR_FRAME,
+ ERR_UNKNOWN,
+};
+
+enum exynos4_jpeg_img_quality_level {
+ QUALITY_LEVEL_1 = 0, /* high */
+ QUALITY_LEVEL_2,
+ QUALITY_LEVEL_3,
+ QUALITY_LEVEL_4, /* low */
+};
/**
* struct s5p_jpeg - JPEG IP abstraction
@@ -76,9 +109,16 @@
void __iomem *regs;
unsigned int irq;
+ enum exynos4_jpeg_result irq_ret;
struct clk *clk;
struct device *dev;
void *alloc_ctx;
+ struct s5p_jpeg_variant *variant;
+};
+
+struct s5p_jpeg_variant {
+ unsigned int version;
+ irqreturn_t (*jpeg_irq)(int irq, void *priv);
};
/**
@@ -89,16 +129,18 @@
* @colplanes: number of color planes (1 for packed formats)
* @h_align: horizontal alignment order (align to 2^h_align)
* @v_align: vertical alignment order (align to 2^v_align)
- * @types: types of queue this format is applicable to
+ * @flags: flags describing format applicability
*/
struct s5p_jpeg_fmt {
char *name;
u32 fourcc;
int depth;
int colplanes;
+ int memplanes;
int h_align;
int v_align;
- u32 types;
+ int subsampling;
+ u32 flags;
};
/**
@@ -150,4 +192,16 @@
unsigned long data;
};
+/**
+ * struct s5p_jpeg_addr - JPEG converter physical address set for DMA
+ * @y: luminance plane physical address
+ * @cb: Cb plane physical address
+ * @cr: Cr plane physical address
+ */
+struct s5p_jpeg_addr {
+ u32 y;
+ u32 cb;
+ u32 cr;
+};
+
#endif /* JPEG_CORE_H */