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ENGR00115576 ipuv3: support for 720P upsizing

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A new feature is added to support to upsizing by horizontal stripes
via IC PP channels double using.

Signed-off-by: Mark Gutman <r58412@freescale.com>
This commit is contained in:
Mark Gutman
2009-09-03 11:47:32 +03:00
committed by Matt Sealey
parent e18a399aec
commit 732aceb787
11 changed files with 1272 additions and 62 deletions
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34
include/linux/ipu.h
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@@ -393,6 +393,7 @@ typedef union {
uint8_t alpha;
uint32_t key_color;
bool alpha_chan_en;
uint32_t out_resize_ratio;
} mem_pp_mem;
struct {
uint32_t temp;
@@ -877,6 +878,13 @@ int32_t ipu_init_channel_buffer(ipu_channel_t channel, ipu_buffer_t type,
int32_t ipu_update_channel_buffer(ipu_channel_t channel, ipu_buffer_t type,
uint32_t bufNum, dma_addr_t phyaddr);
int32_t ipu_update_channel_offset(ipu_channel_t channel, ipu_buffer_t type,
uint32_t pixel_fmt,
uint16_t width, uint16_t height,
uint32_t stride,
uint32_t u, uint32_t v,
uint32_t vertical_offset, uint32_t horizontal_offset);
int32_t ipu_select_buffer(ipu_channel_t channel,
ipu_buffer_t type, uint32_t bufNum);
int32_t ipu_select_multi_vdi_buffer(uint32_t bufNum);
@@ -1198,4 +1206,30 @@ typedef struct _ipu_mem_info {
#define IPU_FREE_MEM _IOW('I', 0x25, ipu_mem_info)
#define IPU_IS_CHAN_BUSY _IOW('I', 0x26, ipu_channel_t)
/* two stripe calculations */
struct stripe_param{
unsigned int input_width; /* width of the input stripe */
unsigned int output_width; /* width of the output stripe */
unsigned int input_column; /* the first column on the input stripe */
unsigned int output_column; /* the first column on the output stripe */
unsigned int idr;
/* inverse downisizing ratio parameter; expressed as a power of 2 */
unsigned int irr;
/* inverse resizing ratio parameter; expressed as a multiple of 2^-13 */
};
int ipu_calc_stripes_sizes(const unsigned int input_frame_width,
unsigned int output_frame_width,
const unsigned int maximal_stripe_width,
const unsigned long long cirr,
const unsigned int equal_stripes,
u32 input_pixelformat,
u32 output_pixelformat,
struct stripe_param *left,
struct stripe_param *right);
#endif