Add the rt linux 4.1.3-rt3 as base
[kvmfornfv.git] / kernel / drivers / gpu / drm / msm / mdp / mdp_format.c
diff --git a/kernel/drivers/gpu/drm/msm/mdp/mdp_format.c b/kernel/drivers/gpu/drm/msm/mdp/mdp_format.c
new file mode 100644 (file)
index 0000000..f683433
--- /dev/null
@@ -0,0 +1,159 @@
+/*
+ * 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) { \
+               .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                              \
+}
+
+#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_RGB),
+       FMT(XRGB8888, 8, 8, 8, 8,  1, 0, 2, 3,  false,  true,  4,  4,
+                       MDP_PLANE_INTERLEAVED, CHROMA_RGB),
+       FMT(RGB888,   0, 8, 8, 8,  1, 0, 2, 0,  false,  true,  3,  3,
+                       MDP_PLANE_INTERLEAVED, CHROMA_RGB),
+       FMT(BGR888,   0, 8, 8, 8,  2, 0, 1, 0,  false,  true,  3,  3,
+                       MDP_PLANE_INTERLEAVED, CHROMA_RGB),
+       FMT(RGB565,   0, 5, 6, 5,  1, 0, 2, 0,  false,  true,  2,  3,
+                       MDP_PLANE_INTERLEAVED, CHROMA_RGB),
+       FMT(BGR565,   0, 5, 6, 5,  2, 0, 1, 0,  false,  true,  2,  3,
+                       MDP_PLANE_INTERLEAVED, CHROMA_RGB),
+
+       /* --- RGB formats above / YUV formats below this line --- */
+
+       FMT(NV12,     0, 8, 8, 8,  1, 2, 0, 0,  false,  true,  2, 2,
+                       MDP_PLANE_PSEUDO_PLANAR, CHROMA_420),
+       FMT(NV21,     0, 8, 8, 8,  2, 1, 0, 0,  false,  true,  2, 2,
+                       MDP_PLANE_PSEUDO_PLANAR, CHROMA_420),
+};
+
+/*
+ * 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];
+}