tests: tegra: Add VIC support

Implement a small abstraction interface to allow different versions of
VIC to be used transparently. An operations structure is selected based
on the VIC version number reported by the DRM_TEGRA_IOCTL_OPEN_CHANNEL
IOCTL.

Signed-off-by: Thierry Reding <treding@nvidia.com>

7 files changed, 334 insertions, 2 deletions

diff --git a/tegra/channel.c b/tegra/channel.c
index 9c7d8016..804f2d63 100644
--- a/tegra/channel.c
+++ b/tegra/channel.c
@@ -55,6 +55,10 @@ int drm_tegra_channel_open(struct drm_tegra_channel **channelp,
         class = HOST1X_CLASS_GR3D;
         break;
 
+    case DRM_TEGRA_VIC:
+        class = HOST1X_CLASS_VIC;
+        break;
+
     default:
         return -EINVAL;
     }
diff --git a/tegra/private.h b/tegra/private.h
index c30fd68f..644899f5 100644
--- a/tegra/private.h
+++ b/tegra/private.h
@@ -48,6 +48,7 @@ enum host1x_class {
     HOST1X_CLASS_HOST1X = 0x01,
     HOST1X_CLASS_GR2D = 0x51,
     HOST1X_CLASS_GR2D_SB = 0x52,
+    HOST1X_CLASS_VIC = 0x5d,
     HOST1X_CLASS_GR3D = 0x60,
 };
 
diff --git a/tegra/tegra.h b/tegra/tegra.h
index 694eb2c0..6448f9c6 100644
--- a/tegra/tegra.h
+++ b/tegra/tegra.h
@@ -34,6 +34,7 @@ enum drm_tegra_class {
     DRM_TEGRA_HOST1X,
     DRM_TEGRA_GR2D,
     DRM_TEGRA_GR3D,
+    DRM_TEGRA_VIC,
 };
 
 enum drm_fence_type {
diff --git a/tests/tegra/Makefile.am b/tests/tegra/Makefile.am
index 434aed22..adf87805 100644
--- a/tests/tegra/Makefile.am
+++ b/tests/tegra/Makefile.am
@@ -10,7 +10,9 @@ libdrm_test_la_SOURCES = \
 	drm-test.c \
 	drm-test.h \
 	drm-test-tegra.c \
-	drm-test-tegra.h
+	drm-test-tegra.h \
+	vic.c \
+	vic.h
 
 libdrm_test_la_LIBADD = \
 	../../libdrm.la
diff --git a/tests/tegra/meson.build b/tests/tegra/meson.build
index 784a6c89..a815a284 100644
--- a/tests/tegra/meson.build
+++ b/tests/tegra/meson.build
@@ -29,7 +29,12 @@ libdrm_test = static_library(
 
 libdrm_test_tegra = static_library(
   'drm-test-tegra',
-  [files('drm-test-tegra.c', 'drm-test-tegra.h'), config_file ],
+  [files(
+    'drm-test-tegra.c',
+    'drm-test-tegra.h',
+    'vic.c',
+    'vic.h',
+  ), config_file ],
   include_directories : [inc_root, inc_drm, inc_tegra],
   link_with : libdrm,
 )
diff --git a/tests/tegra/vic.c b/tests/tegra/vic.c
new file mode 100644
index 00000000..062e215d
--- /dev/null
+++ b/tests/tegra/vic.c
@@ -0,0 +1,150 @@
+/*
+ * Copyright © 2018 NVIDIA Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <errno.h>
+#include <stdio.h> /* XXX remove */
+#include <stdlib.h>
+
+#include "util_math.h"
+
+#include "tegra.h"
+#include "host1x.h"
+#include "vic.h"
+
+#define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
+
+const struct vic_format_info *vic_format_get_info(unsigned int format)
+{
+    static const struct vic_format_info formats[] = {
+        { .format = VIC_PIXEL_FORMAT_A8R8G8B8, .cpp = 4 },
+    };
+    unsigned int i;
+
+    for (i = 0; i < ARRAY_SIZE(formats); i++) {
+        if (formats[i].format == format)
+            return &formats[i];
+    }
+
+    return 0;
+}
+
+int vic_image_new(struct vic_image **imagep, struct drm_tegra *drm,
+                  unsigned int width, unsigned int height,
+                  unsigned int format, unsigned int kind)
+{
+    const struct vic_format_info *info = vic_format_get_info(format);
+    struct vic_image *image;
+    int err;
+
+    if (!info)
+        return -EINVAL;
+
+    image = calloc(1, sizeof(*image));
+    if (!image)
+        return -ENOMEM;
+
+    if (kind == VIC_BLK_KIND_PITCH)
+        image->align = 256;
+    else
+        image->align = 256; /* XXX */
+
+    image->width = width;
+    image->stride = ALIGN(width, image->align);
+    image->pitch = image->stride * info->cpp;
+    image->height = height;
+    image->format = format;
+    image->kind = kind;
+
+    image->size = image->pitch * image->height;
+
+    printf("image: %ux%u align: %zu stride: %u pitch: %u size: %zu\n",
+           image->width, image->height, image->align, image->stride,
+           image->pitch, image->size);
+
+    err = drm_tegra_bo_new(&image->bo, drm, 0, image->size);
+    if (err < 0) {
+        free(image);
+        return err;
+    }
+
+    *imagep = image;
+    return 0;
+}
+
+void vic_image_free(struct vic_image *image)
+{
+    if (image) {
+        drm_tegra_bo_unref(image->bo);
+        free(image);
+    }
+}
+
+void vic_image_dump(struct vic_image *image, FILE *fp)
+{
+    unsigned int i, j;
+    void *ptr;
+    int err;
+
+    err = drm_tegra_bo_map(image->bo, &ptr);
+    if (err < 0)
+        return;
+
+    for (j = 0; j < image->height; j++) {
+        uint32_t *pixels = (uint32_t *)((unsigned long)ptr + j * image->pitch);
+
+        printf("   ");
+
+        for (i = 0; i < image->width; i++)
+            printf(" %08x", pixels[i]);
+
+        printf("\n");
+    }
+
+    drm_tegra_bo_unmap(image->bo);
+}
+
+int vic_new(struct vic **vicp, unsigned int version)
+{
+    const struct vic_ops *ops;
+    struct vic *vic;
+
+    switch (version) {
+    default:
+        return -ENOTSUP;
+    }
+
+    vic = calloc(1, sizeof(*vic));
+    if (!vic)
+        return -ENOMEM;
+
+    vic->version = version;
+    vic->ops = ops;
+
+    *vicp = vic;
+
+    return 0;
+}
+
+void vic_free(struct vic *vic)
+{
+    free(vic);
+}
diff --git a/tests/tegra/vic.h b/tests/tegra/vic.h
new file mode 100644
index 00000000..d623da3a
--- /dev/null
+++ b/tests/tegra/vic.h
@@ -0,0 +1,169 @@
+/*
+ * Copyright © 2018 NVIDIA Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef VIC_H
+#define VIC_H
+
+#include <stdio.h>
+
+#include "host1x.h"
+
+#define DXVAHD_FRAME_FORMAT_PROGRESSIVE 0
+#define DXVAHD_FRAME_FORMAT_INTERLACED_TOP_FIELD_FIRST 1
+#define DXVAHD_FRAME_FORMAT_INTERLACED_BOTTOM_FIELD_FIRST 2
+#define DXVAHD_FRAME_FORMAT_TOP_FIELD 3
+#define DXVAHD_FRAME_FORMAT_BOTTOM_FIELD 4
+#define DXVAHD_FRAME_FORMAT_SUBPIC_PROGRESSIVE 5
+#define DXVAHD_FRAME_FORMAT_SUBPIC_INTERLACED_TOP_FIELD_FIRST 6
+#define DXVAHD_FRAME_FORMAT_SUBPIC_INTERLACED_BOTTOM_FIELD_FIRST 7
+#define DXVAHD_FRAME_FORMAT_SUBPIC_TOP_FIELD 8
+#define DXVAHD_FRAME_FORMAT_SUBPIC_BOTTOM_FIELD 9
+#define DXVAHD_FRAME_FORMAT_TOP_FIELD_CHROMA_BOTTOM 10
+#define DXVAHD_FRAME_FORMAT_BOTTOM_FIELD_CHROMA_TOP 11
+#define DXVAHD_FRAME_FORMAT_SUBPIC_TOP_FIELD_CHROMA_BOTTOM 12
+#define DXVAHD_FRAME_FORMAT_SUBPIC_BOTTOM_FIELD_CHROMA_TOP 13
+
+#define DXVAHD_ALPHA_FILL_MODE_OPAQUE 0
+#define DXVAHD_ALPHA_FILL_MODE_BACKGROUND 1
+#define DXVAHD_ALPHA_FILL_MODE_DESTINATION 2
+#define DXVAHD_ALPHA_FILL_MODE_SOURCE_STREAM 3
+#define DXVAHD_ALPHA_FILL_MODE_COMPOSITED 4
+#define DXVAHD_ALPHA_FILL_MODE_SOURCE_ALPHA 5
+
+#define VIC_BLEND_SRCFACTC_K1 0
+#define VIC_BLEND_SRCFACTC_K1_TIMES_DST 1
+#define VIC_BLEND_SRCFACTC_NEG_K1_TIMES_DST 2
+#define VIC_BLEND_SRCFACTC_K1_TIMES_SRC 3
+#define VIC_BLEND_SRCFACTC_ZERO 4
+
+#define VIC_BLEND_DSTFACTC_K1 0
+#define VIC_BLEND_DSTFACTC_K2 1
+#define VIC_BLEND_DSTFACTC_K1_TIMES_DST 2
+#define VIC_BLEND_DSTFACTC_NEG_K1_TIMES_DST 3
+#define VIC_BLEND_DSTFACTC_NEG_K1_TIMES_SRC 4
+#define VIC_BLEND_DSTFACTC_ZERO 5
+#define VIC_BLEND_DSTFACTC_ONE 6
+
+#define VIC_BLEND_SRCFACTA_K1 0
+#define VIC_BLEND_SRCFACTA_K2 1
+#define VIC_BLEND_SRCFACTA_NEG_K1_TIMES_DST 2
+#define VIC_BLEND_SRCFACTA_ZERO 3
+
+#define VIC_BLEND_DSTFACTA_K2 0
+#define VIC_BLEND_DSTFACTA_NEG_K1_TIMES_SRC 1
+#define VIC_BLEND_DSTFACTA_ZERO 2
+#define VIC_BLEND_DSTFACTA_ONE 3
+
+#define VIC_BLK_KIND_PITCH 0
+#define VIC_BLK_KIND_GENERIC_16Bx2 1
+
+#define VIC_PIXEL_FORMAT_L8 1
+#define VIC_PIXEL_FORMAT_R8 4
+#define VIC_PIXEL_FORMAT_A8R8G8B8 32
+#define VIC_PIXEL_FORMAT_R8G8B8A8 34
+#define VIC_PIXEL_FORMAT_Y8_U8V8_N420 67
+#define VIC_PIXEL_FORMAT_Y8_V8U8_N420 68
+
+#define VIC_CACHE_WIDTH_16Bx16 0 /* BL16Bx2 */
+#define VIC_CACHE_WIDTH_32Bx8 1 /* BL16Bx2 */
+#define VIC_CACHE_WIDTH_64Bx4 2 /* BL16Bx2, PL */
+#define VIC_CACHE_WIDTH_128Bx2 3 /* BL16Bx2, PL */
+#define VIC_CACHE_WIDTH_256Bx1 4 /* PL */
+
+struct vic_format_info {
+    unsigned int format;
+    unsigned int cpp;
+};
+
+struct vic_image {
+    struct drm_tegra_bo *bo;
+    unsigned int width;
+    unsigned int stride;
+    unsigned int pitch;
+    unsigned int height;
+    unsigned int format;
+    unsigned int kind;
+
+    size_t align;
+    size_t size;
+};
+
+const struct vic_format_info *vic_format_get_info(unsigned int format);
+
+int vic_image_new(struct vic_image **imagep, struct drm_tegra *drm,
+                  unsigned int width, unsigned int height,
+                  unsigned int format, unsigned int kind);
+void vic_image_free(struct vic_image *image);
+void vic_image_dump(struct vic_image *image, FILE *fp);
+
+#define VIC_UCLASS_INCR_SYNCPT 0x00
+#define VIC_UCLASS_METHOD_OFFSET 0x10
+#define VIC_UCLASS_METHOD_DATA 0x11
+
+static inline void VIC_PUSH_METHOD(struct drm_tegra_pushbuf *pushbuf,
+                                   uint32_t method, uint32_t value)
+{
+    *pushbuf->ptr++ = HOST1X_OPCODE_INCR(VIC_UCLASS_METHOD_OFFSET, 2);
+    *pushbuf->ptr++ = method >> 2;
+    *pushbuf->ptr++ = value;
+}
+
+static inline void VIC_PUSH_BUFFER(struct drm_tegra_pushbuf *pushbuf,
+                                   uint32_t method, struct drm_tegra_bo *bo,
+                                   unsigned long offset)
+{
+    *pushbuf->ptr++ = HOST1X_OPCODE_INCR(VIC_UCLASS_METHOD_OFFSET, 2);
+    *pushbuf->ptr++ = method >> 2;
+
+    drm_tegra_pushbuf_relocate(pushbuf, bo, offset, 8);
+}
+
+struct vic_ops {
+    void (*clear)(void *ptr, struct vic_image *output,
+                  unsigned int alpha, unsigned int red,
+                  unsigned int green, unsigned int blue);
+    void (*fill)(void *ptr, struct vic_image *output,
+                 unsigned int left, unsigned int top,
+                 unsigned int right, unsigned int bottom,
+                 unsigned int alpha, unsigned red,
+                 unsigned int green, unsigned int blue);
+    void (*blit)(void *ptr, struct vic_image *output,
+                 struct vic_image *input);
+    void (*flip)(void *ptr, struct vic_image *output,
+                 struct vic_image *input);
+    int (*execute)(struct drm_tegra_pushbuf *pushbuf,
+                   struct drm_tegra_bo *config,
+                   struct drm_tegra_bo *hist,
+                   struct vic_image *output,
+                   struct vic_image **inputs,
+                   unsigned int num_inputs);
+};
+
+struct vic {
+    const struct vic_ops *ops;
+    unsigned int version;
+};
+
+int vic_new(struct vic **vicp, unsigned int version);
+void vic_free(struct vic *vic);
+
+#endif