#include <linux/module.h>
#include <linux/clk.h>
#include <linux/slab.h>
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/platform_device.h>
#include <media/v4l2-mem2mem.h>
#include <media/v4l2-device.h>
#include <media/v4l2-ioctl.h>
#include <media/videobuf2-dma-contig.h>
#include <asm/sizes.h>

Data Structures
struct	emmaprp_fmt

struct	emmaprp_q_data

struct	emmaprp_dev

struct	emmaprp_ctx

Macros
#define	EMMAPRP_MODULE_NAME "mem2mem-emmaprp"

#define	MIN_W 32

#define	MIN_H 32

#define	MAX_W 2040

#define	MAX_H 2046

#define	S_ALIGN 1 /* multiple of 2 */

#define	W_ALIGN_YUV420 3 /* multiple of 8 */

#define	W_ALIGN_OTHERS 2 /* multiple of 4 */

#define	H_ALIGN 1 /* multiple of 2 */

#define	MEM2MEM_CAPTURE (1 << 0)

#define	MEM2MEM_OUTPUT (1 << 1)

#define	MEM2MEM_NAME "m2m-emmaprp"

#define	MEM2MEM_VID_MEM_LIMIT SZ_16M

#define	dprintk(dev, fmt, arg...) v4l2_dbg(1, debug, &dev->v4l2_dev, "%s: " fmt, __func__, ## arg)

#define	PRP_CNTL 0x00

#define	PRP_INTR_CNTL 0x04

#define	PRP_INTRSTATUS 0x08

#define	PRP_SOURCE_Y_PTR 0x0c

#define	PRP_SOURCE_CB_PTR 0x10

#define	PRP_SOURCE_CR_PTR 0x14

#define	PRP_DEST_RGB1_PTR 0x18

#define	PRP_DEST_RGB2_PTR 0x1c

#define	PRP_DEST_Y_PTR 0x20

#define	PRP_DEST_CB_PTR 0x24

#define	PRP_DEST_CR_PTR 0x28

#define	PRP_SRC_FRAME_SIZE 0x2c

#define	PRP_DEST_CH1_LINE_STRIDE 0x30

#define	PRP_SRC_PIXEL_FORMAT_CNTL 0x34

#define	PRP_CH1_PIXEL_FORMAT_CNTL 0x38

#define	PRP_CH1_OUT_IMAGE_SIZE 0x3c

#define	PRP_CH2_OUT_IMAGE_SIZE 0x40

#define	PRP_SRC_LINE_STRIDE 0x44

#define	PRP_CSC_COEF_012 0x48

#define	PRP_CSC_COEF_345 0x4c

#define	PRP_CSC_COEF_678 0x50

#define	PRP_CH1_RZ_HORI_COEF1 0x54

#define	PRP_CH1_RZ_HORI_COEF2 0x58

#define	PRP_CH1_RZ_HORI_VALID 0x5c

#define	PRP_CH1_RZ_VERT_COEF1 0x60

#define	PRP_CH1_RZ_VERT_COEF2 0x64

#define	PRP_CH1_RZ_VERT_VALID 0x68

#define	PRP_CH2_RZ_HORI_COEF1 0x6c

#define	PRP_CH2_RZ_HORI_COEF2 0x70

#define	PRP_CH2_RZ_HORI_VALID 0x74

#define	PRP_CH2_RZ_VERT_COEF1 0x78

#define	PRP_CH2_RZ_VERT_COEF2 0x7c

#define	PRP_CH2_RZ_VERT_VALID 0x80

#define	PRP_CNTL_CH1EN (1 << 0)

#define	PRP_CNTL_CH2EN (1 << 1)

#define	PRP_CNTL_CSIEN (1 << 2)

#define	PRP_CNTL_DATA_IN_YUV420 (0 << 3)

#define	PRP_CNTL_DATA_IN_YUV422 (1 << 3)

#define	PRP_CNTL_DATA_IN_RGB16 (2 << 3)

#define	PRP_CNTL_DATA_IN_RGB32 (3 << 3)

#define	PRP_CNTL_CH1_OUT_RGB8 (0 << 5)

#define	PRP_CNTL_CH1_OUT_RGB16 (1 << 5)

#define	PRP_CNTL_CH1_OUT_RGB32 (2 << 5)

#define	PRP_CNTL_CH1_OUT_YUV422 (3 << 5)

#define	PRP_CNTL_CH2_OUT_YUV420 (0 << 7)

#define	PRP_CNTL_CH2_OUT_YUV422 (1 << 7)

#define	PRP_CNTL_CH2_OUT_YUV444 (2 << 7)

#define	PRP_CNTL_CH1_LEN (1 << 9)

#define	PRP_CNTL_CH2_LEN (1 << 10)

#define	PRP_CNTL_SKIP_FRAME (1 << 11)

#define	PRP_CNTL_SWRST (1 << 12)

#define	PRP_CNTL_CLKEN (1 << 13)

#define	PRP_CNTL_WEN (1 << 14)

#define	PRP_CNTL_CH1BYP (1 << 15)

#define	PRP_CNTL_IN_TSKIP(x) ((x) << 16)

#define	PRP_CNTL_CH1_TSKIP(x) ((x) << 19)

#define	PRP_CNTL_CH2_TSKIP(x) ((x) << 22)

#define	PRP_CNTL_INPUT_FIFO_LEVEL(x) ((x) << 25)

#define	PRP_CNTL_RZ_FIFO_LEVEL(x) ((x) << 27)

#define	PRP_CNTL_CH2B1EN (1 << 29)

#define	PRP_CNTL_CH2B2EN (1 << 30)

#define	PRP_CNTL_CH2FEN (1 << 31)

#define	PRP_SIZE_HEIGHT(x) (x)

#define	PRP_SIZE_WIDTH(x) ((x) << 16)

#define	PRP_INTR_RDERR (1 << 0)

#define	PRP_INTR_CH1WERR (1 << 1)

#define	PRP_INTR_CH2WERR (1 << 2)

#define	PRP_INTR_CH1FC (1 << 3)

#define	PRP_INTR_CH2FC (1 << 5)

#define	PRP_INTR_LBOVF (1 << 7)

#define	PRP_INTR_CH2OVF (1 << 8)

#define	PRP_INTR_ST_RDERR (1 << 0)

#define	PRP_INTR_ST_CH1WERR (1 << 1)

#define	PRP_INTR_ST_CH2WERR (1 << 2)

#define	PRP_INTR_ST_CH2B2CI (1 << 3)

#define	PRP_INTR_ST_CH2B1CI (1 << 4)

#define	PRP_INTR_ST_CH1B2CI (1 << 5)

#define	PRP_INTR_ST_CH1B1CI (1 << 6)

#define	PRP_INTR_ST_LBOVF (1 << 7)

#define	PRP_INTR_ST_CH2OVF (1 << 8)

#define	NUM_FORMATS ARRAY_SIZE(formats)

Enumerations
enum	{ V4L2_M2M_SRC = 0, V4L2_M2M_DST = 1 }

Functions
	MODULE_DESCRIPTION ("Mem-to-mem device which supports eMMa-PrP present in mx2 SoCs")

	MODULE_AUTHOR ("Javier Martin <[email protected]")

	MODULE_LICENSE ("GPL")

	MODULE_VERSION ("0.0.1")

	module_param (debug, bool, 0644)

	module_init (emmaprp_init)

	module_exit (emmaprp_exit)

Macro Definition Documentation

#define dprintk	(	dev,
		fmt,
		arg...
	)	v4l2_dbg(1, debug, &dev->v4l2_dev, "%s: " fmt, __func__, ## arg)

Definition at line 61 of file mx2_emmaprp.c.

#define EMMAPRP_MODULE_NAME "mem2mem-emmaprp"

Definition at line 32 of file mx2_emmaprp.c.

#define H_ALIGN 1 /* multiple of 2 */

Definition at line 50 of file mx2_emmaprp.c.

#define MAX_H 2046

Definition at line 45 of file mx2_emmaprp.c.

#define MAX_W 2040

Definition at line 44 of file mx2_emmaprp.c.

#define MEM2MEM_CAPTURE (1 << 0)

Definition at line 53 of file mx2_emmaprp.c.

#define MEM2MEM_NAME "m2m-emmaprp"

Definition at line 56 of file mx2_emmaprp.c.

#define MEM2MEM_OUTPUT (1 << 1)

Definition at line 54 of file mx2_emmaprp.c.

#define MEM2MEM_VID_MEM_LIMIT SZ_16M

Definition at line 59 of file mx2_emmaprp.c.

#define MIN_H 32

Definition at line 43 of file mx2_emmaprp.c.

#define MIN_W 32

Definition at line 42 of file mx2_emmaprp.c.

#define NUM_FORMATS ARRAY_SIZE(formats)

Definition at line 184 of file mx2_emmaprp.c.

#define PRP_CH1_OUT_IMAGE_SIZE 0x3c

Definition at line 80 of file mx2_emmaprp.c.

#define PRP_CH1_PIXEL_FORMAT_CNTL 0x38

Definition at line 79 of file mx2_emmaprp.c.

#define PRP_CH1_RZ_HORI_COEF1 0x54

Definition at line 86 of file mx2_emmaprp.c.

#define PRP_CH1_RZ_HORI_COEF2 0x58

Definition at line 87 of file mx2_emmaprp.c.

#define PRP_CH1_RZ_HORI_VALID 0x5c

Definition at line 88 of file mx2_emmaprp.c.

#define PRP_CH1_RZ_VERT_COEF1 0x60

Definition at line 89 of file mx2_emmaprp.c.

#define PRP_CH1_RZ_VERT_COEF2 0x64

Definition at line 90 of file mx2_emmaprp.c.

#define PRP_CH1_RZ_VERT_VALID 0x68

Definition at line 91 of file mx2_emmaprp.c.

#define PRP_CH2_OUT_IMAGE_SIZE 0x40

Definition at line 81 of file mx2_emmaprp.c.

#define PRP_CH2_RZ_HORI_COEF1 0x6c

Definition at line 92 of file mx2_emmaprp.c.

#define PRP_CH2_RZ_HORI_COEF2 0x70

Definition at line 93 of file mx2_emmaprp.c.

#define PRP_CH2_RZ_HORI_VALID 0x74

Definition at line 94 of file mx2_emmaprp.c.

#define PRP_CH2_RZ_VERT_COEF1 0x78

Definition at line 95 of file mx2_emmaprp.c.

#define PRP_CH2_RZ_VERT_COEF2 0x7c

Definition at line 96 of file mx2_emmaprp.c.

#define PRP_CH2_RZ_VERT_VALID 0x80

Definition at line 97 of file mx2_emmaprp.c.

#define PRP_CNTL 0x00

Definition at line 65 of file mx2_emmaprp.c.

#define PRP_CNTL_CH1_LEN (1 << 9)

Definition at line 113 of file mx2_emmaprp.c.

#define PRP_CNTL_CH1_OUT_RGB16 (1 << 5)

Definition at line 107 of file mx2_emmaprp.c.

#define PRP_CNTL_CH1_OUT_RGB32 (2 << 5)

Definition at line 108 of file mx2_emmaprp.c.

#define PRP_CNTL_CH1_OUT_RGB8 (0 << 5)

Definition at line 106 of file mx2_emmaprp.c.

#define PRP_CNTL_CH1_OUT_YUV422 (3 << 5)

Definition at line 109 of file mx2_emmaprp.c.

#define PRP_CNTL_CH1_TSKIP ( x ) ((x) << 19)

Definition at line 121 of file mx2_emmaprp.c.

#define PRP_CNTL_CH1BYP (1 << 15)

Definition at line 119 of file mx2_emmaprp.c.

#define PRP_CNTL_CH1EN (1 << 0)

Definition at line 99 of file mx2_emmaprp.c.

#define PRP_CNTL_CH2_LEN (1 << 10)

Definition at line 114 of file mx2_emmaprp.c.

#define PRP_CNTL_CH2_OUT_YUV420 (0 << 7)

Definition at line 110 of file mx2_emmaprp.c.

#define PRP_CNTL_CH2_OUT_YUV422 (1 << 7)

Definition at line 111 of file mx2_emmaprp.c.

#define PRP_CNTL_CH2_OUT_YUV444 (2 << 7)

Definition at line 112 of file mx2_emmaprp.c.

#define PRP_CNTL_CH2_TSKIP ( x ) ((x) << 22)

Definition at line 122 of file mx2_emmaprp.c.

#define PRP_CNTL_CH2B1EN (1 << 29)

Definition at line 125 of file mx2_emmaprp.c.

#define PRP_CNTL_CH2B2EN (1 << 30)

Definition at line 126 of file mx2_emmaprp.c.

#define PRP_CNTL_CH2EN (1 << 1)

Definition at line 100 of file mx2_emmaprp.c.

#define PRP_CNTL_CH2FEN (1 << 31)

Definition at line 127 of file mx2_emmaprp.c.

#define PRP_CNTL_CLKEN (1 << 13)

Definition at line 117 of file mx2_emmaprp.c.

#define PRP_CNTL_CSIEN (1 << 2)

Definition at line 101 of file mx2_emmaprp.c.

#define PRP_CNTL_DATA_IN_RGB16 (2 << 3)

Definition at line 104 of file mx2_emmaprp.c.

#define PRP_CNTL_DATA_IN_RGB32 (3 << 3)

Definition at line 105 of file mx2_emmaprp.c.

#define PRP_CNTL_DATA_IN_YUV420 (0 << 3)

Definition at line 102 of file mx2_emmaprp.c.

#define PRP_CNTL_DATA_IN_YUV422 (1 << 3)

Definition at line 103 of file mx2_emmaprp.c.

#define PRP_CNTL_IN_TSKIP ( x ) ((x) << 16)

Definition at line 120 of file mx2_emmaprp.c.

#define PRP_CNTL_INPUT_FIFO_LEVEL ( x ) ((x) << 25)

Definition at line 123 of file mx2_emmaprp.c.

#define PRP_CNTL_RZ_FIFO_LEVEL ( x ) ((x) << 27)

Definition at line 124 of file mx2_emmaprp.c.

#define PRP_CNTL_SKIP_FRAME (1 << 11)

Definition at line 115 of file mx2_emmaprp.c.

#define PRP_CNTL_SWRST (1 << 12)

Definition at line 116 of file mx2_emmaprp.c.

#define PRP_CNTL_WEN (1 << 14)

Definition at line 118 of file mx2_emmaprp.c.

#define PRP_CSC_COEF_012 0x48

Definition at line 83 of file mx2_emmaprp.c.

#define PRP_CSC_COEF_345 0x4c

Definition at line 84 of file mx2_emmaprp.c.

#define PRP_CSC_COEF_678 0x50

Definition at line 85 of file mx2_emmaprp.c.

#define PRP_DEST_CB_PTR 0x24

Definition at line 74 of file mx2_emmaprp.c.

#define PRP_DEST_CH1_LINE_STRIDE 0x30

Definition at line 77 of file mx2_emmaprp.c.

#define PRP_DEST_CR_PTR 0x28

Definition at line 75 of file mx2_emmaprp.c.

#define PRP_DEST_RGB1_PTR 0x18

Definition at line 71 of file mx2_emmaprp.c.

#define PRP_DEST_RGB2_PTR 0x1c

Definition at line 72 of file mx2_emmaprp.c.

#define PRP_DEST_Y_PTR 0x20

Definition at line 73 of file mx2_emmaprp.c.

#define PRP_INTR_CH1FC (1 << 3)

Definition at line 136 of file mx2_emmaprp.c.

#define PRP_INTR_CH1WERR (1 << 1)

Definition at line 134 of file mx2_emmaprp.c.

#define PRP_INTR_CH2FC (1 << 5)

Definition at line 137 of file mx2_emmaprp.c.

#define PRP_INTR_CH2OVF (1 << 8)

Definition at line 139 of file mx2_emmaprp.c.

#define PRP_INTR_CH2WERR (1 << 2)

Definition at line 135 of file mx2_emmaprp.c.

#define PRP_INTR_CNTL 0x04

Definition at line 66 of file mx2_emmaprp.c.

#define PRP_INTR_LBOVF (1 << 7)

Definition at line 138 of file mx2_emmaprp.c.

#define PRP_INTR_RDERR (1 << 0)

Definition at line 133 of file mx2_emmaprp.c.

#define PRP_INTR_ST_CH1B1CI (1 << 6)

Definition at line 147 of file mx2_emmaprp.c.

#define PRP_INTR_ST_CH1B2CI (1 << 5)

Definition at line 146 of file mx2_emmaprp.c.

#define PRP_INTR_ST_CH1WERR (1 << 1)

Definition at line 142 of file mx2_emmaprp.c.

#define PRP_INTR_ST_CH2B1CI (1 << 4)

Definition at line 145 of file mx2_emmaprp.c.

#define PRP_INTR_ST_CH2B2CI (1 << 3)

Definition at line 144 of file mx2_emmaprp.c.

#define PRP_INTR_ST_CH2OVF (1 << 8)

Definition at line 149 of file mx2_emmaprp.c.

#define PRP_INTR_ST_CH2WERR (1 << 2)

Definition at line 143 of file mx2_emmaprp.c.

#define PRP_INTR_ST_LBOVF (1 << 7)

Definition at line 148 of file mx2_emmaprp.c.

#define PRP_INTR_ST_RDERR (1 << 0)

Definition at line 141 of file mx2_emmaprp.c.

#define PRP_INTRSTATUS 0x08

Definition at line 67 of file mx2_emmaprp.c.

#define PRP_SIZE_HEIGHT ( x ) (x)

Definition at line 129 of file mx2_emmaprp.c.

#define PRP_SIZE_WIDTH ( x ) ((x) << 16)

Definition at line 130 of file mx2_emmaprp.c.

#define PRP_SOURCE_CB_PTR 0x10

Definition at line 69 of file mx2_emmaprp.c.

#define PRP_SOURCE_CR_PTR 0x14

Definition at line 70 of file mx2_emmaprp.c.

#define PRP_SOURCE_Y_PTR 0x0c

Definition at line 68 of file mx2_emmaprp.c.

#define PRP_SRC_FRAME_SIZE 0x2c

Definition at line 76 of file mx2_emmaprp.c.

#define PRP_SRC_LINE_STRIDE 0x44

Definition at line 82 of file mx2_emmaprp.c.

#define PRP_SRC_PIXEL_FORMAT_CNTL 0x34

Definition at line 78 of file mx2_emmaprp.c.

#define S_ALIGN 1 /* multiple of 2 */

Definition at line 47 of file mx2_emmaprp.c.

#define W_ALIGN_OTHERS 2 /* multiple of 4 */

Definition at line 49 of file mx2_emmaprp.c.

#define W_ALIGN_YUV420 3 /* multiple of 8 */

Definition at line 48 of file mx2_emmaprp.c.

Enumeration Type Documentation

anonymous enum

Enumerator:

V4L2_M2M_SRC
V4L2_M2M_DST

Definition at line 179 of file mx2_emmaprp.c.

Function Documentation

MODULE_AUTHOR ( )

MODULE_DESCRIPTION ( "Mem-to-mem device which supports eMMa-PrP present in mx2 SoCs" )

module_exit ( emmaprp_exit )

module_init ( emmaprp_init )

MODULE_LICENSE ( "GPL" )

module_param	(	debug	,
		bool	,
		0644
	)

MODULE_VERSION ( "0.0.1" )

Data Structures

Macros

Enumerations

Functions

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation