[linux-2.6-block.git] / drivers / gpu / drm / msm / mdp / mdp_format.c

/*
 * Copyright (c) 2014 The Linux Foundation. All rights reserved.
 * Copyright (C) 2013 Red Hat
 * Author: Rob Clark <robdclark@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 as published by
 * the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along with
 * this program.  If not, see <http://www.gnu.org/licenses/>.
 */


#include "msm_drv.h"
#include "mdp_kms.h"

static struct csc_cfg csc_convert[CSC_MAX] = {
	[CSC_RGB2RGB] = {
		.type = CSC_RGB2RGB,
		.matrix = {
			0x0200, 0x0000, 0x0000,
			0x0000, 0x0200, 0x0000,
			0x0000, 0x0000, 0x0200
		},
		.pre_bias =	{ 0x0, 0x0, 0x0 },
		.post_bias =	{ 0x0, 0x0, 0x0 },
		.pre_clamp =	{ 0x0, 0xff, 0x0, 0xff, 0x0, 0xff },
		.post_clamp =	{ 0x0, 0xff, 0x0, 0xff, 0x0, 0xff },
	},
	[CSC_YUV2RGB] = {
		.type = CSC_YUV2RGB,
		.matrix = {
			0x0254, 0x0000, 0x0331,
			0x0254, 0xff37, 0xfe60,
			0x0254, 0x0409, 0x0000
		},
		.pre_bias =	{ 0xfff0, 0xff80, 0xff80 },
		.post_bias =	{ 0x00, 0x00, 0x00 },
		.pre_clamp =	{ 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
		.post_clamp =	{ 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
	},
	[CSC_RGB2YUV] = {
		.type = CSC_RGB2YUV,
		.matrix = {
			0x0083, 0x0102, 0x0032,
			0x1fb5, 0x1f6c, 0x00e1,
			0x00e1, 0x1f45, 0x1fdc
		},
		.pre_bias =	{ 0x00, 0x00, 0x00 },
		.post_bias =	{ 0x10, 0x80, 0x80 },
		.pre_clamp =	{ 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
		.post_clamp =	{ 0x10, 0xeb, 0x10, 0xf0, 0x10, 0xf0 },
	},
	[CSC_YUV2YUV] = {
		.type = CSC_YUV2YUV,
		.matrix = {
			0x0200, 0x0000, 0x0000,
			0x0000, 0x0200, 0x0000,
			0x0000, 0x0000, 0x0200
		},
		.pre_bias =	{ 0x00, 0x00, 0x00 },
		.post_bias =	{ 0x00, 0x00, 0x00 },
		.pre_clamp =	{ 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
		.post_clamp =	{ 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
	},
};

#define FMT(name, a, r, g, b, e0, e1, e2, e3, alpha, tight, c, cnt, fp, cs, yuv) { \
		.base = { .pixel_format = DRM_FORMAT_ ## name }, \
		.bpc_a = BPC ## a ## A,                          \
		.bpc_r = BPC ## r,                               \
		.bpc_g = BPC ## g,                               \
		.bpc_b = BPC ## b,                               \
		.unpack = { e0, e1, e2, e3 },                    \
		.alpha_enable = alpha,                           \
		.unpack_tight = tight,                           \
		.cpp = c,                                        \
		.unpack_count = cnt,                             \
		.fetch_type = fp,                                \
		.chroma_sample = cs,                             \
		.is_yuv = yuv,                                   \
}

#define BPC0A 0

/*
 * Note: Keep RGB formats 1st, followed by YUV formats to avoid breaking
 * mdp_get_rgb_formats()'s implementation.
 */
static const struct mdp_format formats[] = {
	/*  name      a  r  g  b   e0 e1 e2 e3  alpha   tight  cpp cnt ... */
	FMT(ARGB8888, 8, 8, 8, 8,  1, 0, 2, 3,  true,   true,  4,  4,
			MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
	FMT(ABGR8888, 8, 8, 8, 8,  2, 0, 1, 3,  true,   true,  4,  4,
			MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
	FMT(RGBA8888, 8, 8, 8, 8,  3, 1, 0, 2,  true,   true,  4,  4,
			MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
	FMT(BGRA8888, 8, 8, 8, 8,  3, 2, 0, 1,  true,   true,  4,  4,
			MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
	FMT(XRGB8888, 8, 8, 8, 8,  1, 0, 2, 3,  false,  true,  4,  4,
			MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
	FMT(XBGR8888, 8, 8, 8, 8,  2, 0, 1, 3,  false,   true,  4,  4,
			MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
	FMT(RGBX8888, 8, 8, 8, 8,  3, 1, 0, 2,  false,   true,  4,  4,
			MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
	FMT(BGRX8888, 8, 8, 8, 8,  3, 2, 0, 1,  false,   true,  4,  4,
			MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
	FMT(RGB888,   0, 8, 8, 8,  1, 0, 2, 0,  false,  true,  3,  3,
			MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
	FMT(BGR888,   0, 8, 8, 8,  2, 0, 1, 0,  false,  true,  3,  3,
			MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
	FMT(RGB565,   0, 5, 6, 5,  1, 0, 2, 0,  false,  true,  2,  3,
			MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
	FMT(BGR565,   0, 5, 6, 5,  2, 0, 1, 0,  false,  true,  2,  3,
			MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),

	/* --- RGB formats above / YUV formats below this line --- */

	/* 2 plane YUV */
	FMT(NV12,     0, 8, 8, 8,  1, 2, 0, 0,  false,  true,  2, 2,
			MDP_PLANE_PSEUDO_PLANAR, CHROMA_420, true),
	FMT(NV21,     0, 8, 8, 8,  2, 1, 0, 0,  false,  true,  2, 2,
			MDP_PLANE_PSEUDO_PLANAR, CHROMA_420, true),
	FMT(NV16,     0, 8, 8, 8,  1, 2, 0, 0,  false,  true,  2, 2,
			MDP_PLANE_PSEUDO_PLANAR, CHROMA_H2V1, true),
	FMT(NV61,     0, 8, 8, 8,  2, 1, 0, 0,  false,  true,  2, 2,
			MDP_PLANE_PSEUDO_PLANAR, CHROMA_H2V1, true),
	/* 1 plane YUV */
	FMT(VYUY,     0, 8, 8, 8,  2, 0, 1, 0,  false,  true,  2, 4,
			MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
	FMT(UYVY,     0, 8, 8, 8,  1, 0, 2, 0,  false,  true,  2, 4,
			MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
	FMT(YUYV,     0, 8, 8, 8,  0, 1, 0, 2,  false,  true,  2, 4,
			MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
	FMT(YVYU,     0, 8, 8, 8,  0, 2, 0, 1,  false,  true,  2, 4,
			MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
	/* 3 plane YUV */
	FMT(YUV420,   0, 8, 8, 8,  2, 1, 0, 0,  false,  true,  1, 1,
			MDP_PLANE_PLANAR, CHROMA_420, true),
	FMT(YVU420,   0, 8, 8, 8,  1, 2, 0, 0,  false,  true,  1, 1,
			MDP_PLANE_PLANAR, CHROMA_420, true),
};

/*
 * Note:
 * @rgb_only must be set to true, when requesting
 * supported formats for RGB pipes.
 */
uint32_t mdp_get_formats(uint32_t *pixel_formats, uint32_t max_formats,
		bool rgb_only)
{
	uint32_t i;
	for (i = 0; i < ARRAY_SIZE(formats); i++) {
		const struct mdp_format *f = &formats[i];

		if (i == max_formats)
			break;

		if (rgb_only && MDP_FORMAT_IS_YUV(f))
			break;

		pixel_formats[i] = f->base.pixel_format;
	}

	return i;
}

const struct msm_format *mdp_get_format(struct msm_kms *kms, uint32_t format)
{
	int i;
	for (i = 0; i < ARRAY_SIZE(formats); i++) {
		const struct mdp_format *f = &formats[i];
		if (f->base.pixel_format == format)
			return &f->base;
	}
	return NULL;
}

struct csc_cfg *mdp_get_default_csc_cfg(enum csc_type type)
{
	if (unlikely(WARN_ON(type >= CSC_MAX)))
		return NULL;

	return &csc_convert[type];
}
Commit	Line	Data
c8afe684	1	/*
7ca12718	2	* Copyright (c) 2014 The Linux Foundation. All rights reserved.
c8afe684 RC	3	* Copyright (C) 2013 Red Hat
	4	* Author: Rob Clark <robdclark@gmail.com>
	5	*
	6	* This program is free software; you can redistribute it and/or modify it
	7	* under the terms of the GNU General Public License version 2 as published by
	8	* the Free Software Foundation.
	9	*
	10	* This program is distributed in the hope that it will be useful, but WITHOUT
	11	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	12	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	13	* more details.
	14	*
	15	* You should have received a copy of the GNU General Public License along with
	16	* this program. If not, see <http://www.gnu.org/licenses/>.
	17	*/
	18
	19
	20	#include "msm_drv.h"
10a02eb6	21	#include "mdp_kms.h"
c8afe684	22
7ca12718 SV	23	static struct csc_cfg csc_convert[CSC_MAX] = {
	24	[CSC_RGB2RGB] = {
	25	.type = CSC_RGB2RGB,
	26	.matrix = {
	27	0x0200, 0x0000, 0x0000,
	28	0x0000, 0x0200, 0x0000,
	29	0x0000, 0x0000, 0x0200
	30	},
	31	.pre_bias = { 0x0, 0x0, 0x0 },
	32	.post_bias = { 0x0, 0x0, 0x0 },
	33	.pre_clamp = { 0x0, 0xff, 0x0, 0xff, 0x0, 0xff },
	34	.post_clamp = { 0x0, 0xff, 0x0, 0xff, 0x0, 0xff },
	35	},
	36	[CSC_YUV2RGB] = {
	37	.type = CSC_YUV2RGB,
	38	.matrix = {
	39	0x0254, 0x0000, 0x0331,
	40	0x0254, 0xff37, 0xfe60,
	41	0x0254, 0x0409, 0x0000
	42	},
	43	.pre_bias = { 0xfff0, 0xff80, 0xff80 },
	44	.post_bias = { 0x00, 0x00, 0x00 },
	45	.pre_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
	46	.post_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
	47	},
	48	[CSC_RGB2YUV] = {
	49	.type = CSC_RGB2YUV,
	50	.matrix = {
	51	0x0083, 0x0102, 0x0032,
	52	0x1fb5, 0x1f6c, 0x00e1,
	53	0x00e1, 0x1f45, 0x1fdc
	54	},
	55	.pre_bias = { 0x00, 0x00, 0x00 },
	56	.post_bias = { 0x10, 0x80, 0x80 },
	57	.pre_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
	58	.post_clamp = { 0x10, 0xeb, 0x10, 0xf0, 0x10, 0xf0 },
	59	},
	60	[CSC_YUV2YUV] = {
	61	.type = CSC_YUV2YUV,
	62	.matrix = {
	63	0x0200, 0x0000, 0x0000,
	64	0x0000, 0x0200, 0x0000,
	65	0x0000, 0x0000, 0x0200
	66	},
	67	.pre_bias = { 0x00, 0x00, 0x00 },
	68	.post_bias = { 0x00, 0x00, 0x00 },
	69	.pre_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
	70	.post_clamp = { 0x00, 0xff, 0x00, 0xff, 0x00, 0xff },
	71	},
	72	};
	73
ff78a6b3	74	#define FMT(name, a, r, g, b, e0, e1, e2, e3, alpha, tight, c, cnt, fp, cs, yuv) { \
c8afe684 RC	75	.base = { .pixel_format = DRM_FORMAT_ ## name }, \
	76	.bpc_a = BPC ## a ## A, \
	77	.bpc_r = BPC ## r, \
	78	.bpc_g = BPC ## g, \
	79	.bpc_b = BPC ## b, \
	80	.unpack = { e0, e1, e2, e3 }, \
	81	.alpha_enable = alpha, \
	82	.unpack_tight = tight, \
	83	.cpp = c, \
	84	.unpack_count = cnt, \
7ca12718	85	.fetch_type = fp, \
ff78a6b3 WX	86	.chroma_sample = cs, \
ff78a6b3 WX	87	.is_yuv = yuv, \
7ca12718	88	}
c8afe684 RC	89
	90	#define BPC0A 0
	91
7ca12718 SV	92	/*
	93	* Note: Keep RGB formats 1st, followed by YUV formats to avoid breaking
	94	* mdp_get_rgb_formats()'s implementation.
	95	*/
10a02eb6	96	static const struct mdp_format formats[] = {
7ca12718 SV	97	/* name a r g b e0 e1 e2 e3 alpha tight cpp cnt ... */
7ca12718 SV	98	FMT(ARGB8888, 8, 8, 8, 8, 1, 0, 2, 3, true, true, 4, 4,
ff78a6b3	99	MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
fbd4ae8a	100	FMT(ABGR8888, 8, 8, 8, 8, 2, 0, 1, 3, true, true, 4, 4,
ff78a6b3	101	MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
fbd4ae8a	102	FMT(RGBA8888, 8, 8, 8, 8, 3, 1, 0, 2, true, true, 4, 4,
ff78a6b3	103	MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
fbd4ae8a	104	FMT(BGRA8888, 8, 8, 8, 8, 3, 2, 0, 1, true, true, 4, 4,
ff78a6b3	105	MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
7ca12718	106	FMT(XRGB8888, 8, 8, 8, 8, 1, 0, 2, 3, false, true, 4, 4,
ff78a6b3	107	MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
30c6bfe8 RH	108	FMT(XBGR8888, 8, 8, 8, 8, 2, 0, 1, 3, false, true, 4, 4,
	109	MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
	110	FMT(RGBX8888, 8, 8, 8, 8, 3, 1, 0, 2, false, true, 4, 4,
	111	MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
	112	FMT(BGRX8888, 8, 8, 8, 8, 3, 2, 0, 1, false, true, 4, 4,
	113	MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
7ca12718	114	FMT(RGB888, 0, 8, 8, 8, 1, 0, 2, 0, false, true, 3, 3,
ff78a6b3	115	MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
7ca12718	116	FMT(BGR888, 0, 8, 8, 8, 2, 0, 1, 0, false, true, 3, 3,
ff78a6b3	117	MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
7ca12718	118	FMT(RGB565, 0, 5, 6, 5, 1, 0, 2, 0, false, true, 2, 3,
ff78a6b3	119	MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
7ca12718	120	FMT(BGR565, 0, 5, 6, 5, 2, 0, 1, 0, false, true, 2, 3,
ff78a6b3	121	MDP_PLANE_INTERLEAVED, CHROMA_FULL, false),
7ca12718 SV	122
	123	/* --- RGB formats above / YUV formats below this line --- */
	124
bef799fb	125	/* 2 plane YUV */
7ca12718	126	FMT(NV12, 0, 8, 8, 8, 1, 2, 0, 0, false, true, 2, 2,
ff78a6b3	127	MDP_PLANE_PSEUDO_PLANAR, CHROMA_420, true),
7ca12718	128	FMT(NV21, 0, 8, 8, 8, 2, 1, 0, 0, false, true, 2, 2,
ff78a6b3	129	MDP_PLANE_PSEUDO_PLANAR, CHROMA_420, true),
bef799fb SV	130	FMT(NV16, 0, 8, 8, 8, 1, 2, 0, 0, false, true, 2, 2,
	131	MDP_PLANE_PSEUDO_PLANAR, CHROMA_H2V1, true),
	132	FMT(NV61, 0, 8, 8, 8, 2, 1, 0, 0, false, true, 2, 2,
	133	MDP_PLANE_PSEUDO_PLANAR, CHROMA_H2V1, true),
	134	/* 1 plane YUV */
	135	FMT(VYUY, 0, 8, 8, 8, 2, 0, 1, 0, false, true, 2, 4,
	136	MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
	137	FMT(UYVY, 0, 8, 8, 8, 1, 0, 2, 0, false, true, 2, 4,
	138	MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
	139	FMT(YUYV, 0, 8, 8, 8, 0, 1, 0, 2, false, true, 2, 4,
	140	MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
	141	FMT(YVYU, 0, 8, 8, 8, 0, 2, 0, 1, false, true, 2, 4,
	142	MDP_PLANE_INTERLEAVED, CHROMA_H2V1, true),
	143	/* 3 plane YUV */
	144	FMT(YUV420, 0, 8, 8, 8, 2, 1, 0, 0, false, true, 1, 1,
	145	MDP_PLANE_PLANAR, CHROMA_420, true),
	146	FMT(YVU420, 0, 8, 8, 8, 1, 2, 0, 0, false, true, 1, 1,
	147	MDP_PLANE_PLANAR, CHROMA_420, true),
c8afe684 RC	148	};
c8afe684 RC	149
7ca12718 SV	150	/*
	151	* Note:
	152	* @rgb_only must be set to true, when requesting
	153	* supported formats for RGB pipes.
	154	*/
	155	uint32_t mdp_get_formats(uint32_t *pixel_formats, uint32_t max_formats,
	156	bool rgb_only)
a8623918 RC	157	{
	158	uint32_t i;
	159	for (i = 0; i < ARRAY_SIZE(formats); i++) {
10a02eb6	160	const struct mdp_format *f = &formats[i];
a8623918 RC	161
	162	if (i == max_formats)
	163	break;
	164
7ca12718 SV	165	if (rgb_only && MDP_FORMAT_IS_YUV(f))
	166	break;
	167
a8623918 RC	168	pixel_formats[i] = f->base.pixel_format;
	169	}
	170
	171	return i;
	172	}
	173
10a02eb6	174	const struct msm_format mdp_get_format(struct msm_kms kms, uint32_t format)
c8afe684 RC	175	{
	176	int i;
	177	for (i = 0; i < ARRAY_SIZE(formats); i++) {
10a02eb6	178	const struct mdp_format *f = &formats[i];
c8afe684 RC	179	if (f->base.pixel_format == format)
	180	return &f->base;
	181	}
	182	return NULL;
	183	}
7ca12718 SV	184
	185	struct csc_cfg *mdp_get_default_csc_cfg(enum csc_type type)
	186	{
	187	if (unlikely(WARN_ON(type >= CSC_MAX)))
	188	return NULL;
	189
	190	return &csc_convert[type];
	191	}