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path: root/drivers/gpu/drm/msm/disp/mdp_format.c
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Diffstat (limited to 'drivers/gpu/drm/msm/disp/mdp_format.c')
-rw-r--r--drivers/gpu/drm/msm/disp/mdp_format.c191
1 files changed, 191 insertions, 0 deletions
diff --git a/drivers/gpu/drm/msm/disp/mdp_format.c b/drivers/gpu/drm/msm/disp/mdp_format.c
new file mode 100644
index 000000000000..b4a8aa4490ee
--- /dev/null
+++ b/drivers/gpu/drm/msm/disp/mdp_format.c
@@ -0,0 +1,191 @@
+/*
+ * 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];
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-11 23:35:07 +0000