Stéphane Marchesin | 25a2606 | 2014-09-12 16:18:59 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2014 The Chromium OS Authors. All rights reserved. |
| 3 | * Use of this source code is governed by a BSD-style license that can be |
| 4 | * found in the LICENSE file. |
| 5 | */ |
| 6 | |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 7 | #ifdef DRV_EXYNOS |
Stéphane Marchesin | 25a2606 | 2014-09-12 16:18:59 -0700 | [diff] [blame] | 8 | |
Yuly Novikov | 96c7a3b | 2015-12-08 22:48:29 -0500 | [diff] [blame] | 9 | #include <assert.h> |
| 10 | #include <errno.h> |
Ilja H. Friedel | f9d2ab7 | 2015-04-09 14:08:36 -0700 | [diff] [blame] | 11 | #include <stdio.h> |
Stéphane Marchesin | 25a2606 | 2014-09-12 16:18:59 -0700 | [diff] [blame] | 12 | #include <string.h> |
| 13 | #include <xf86drm.h> |
| 14 | #include <exynos_drm.h> |
| 15 | |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 16 | #include "drv_priv.h" |
Stéphane Marchesin | 25a2606 | 2014-09-12 16:18:59 -0700 | [diff] [blame] | 17 | #include "helpers.h" |
Yuly Novikov | 96c7a3b | 2015-12-08 22:48:29 -0500 | [diff] [blame] | 18 | #include "util.h" |
Stéphane Marchesin | 25a2606 | 2014-09-12 16:18:59 -0700 | [diff] [blame] | 19 | |
Gurchetan Singh | 179687e | 2016-10-28 10:07:35 -0700 | [diff] [blame] | 20 | static struct supported_combination combos[5] = { |
Gurchetan Singh | 458976f | 2016-11-23 17:32:33 -0800 | [diff] [blame] | 21 | {DRM_FORMAT_ARGB8888, DRM_FORMAT_MOD_NONE, BO_USE_CURSOR | BO_USE_LINEAR}, |
| 22 | {DRM_FORMAT_ARGB8888, DRM_FORMAT_MOD_NONE, BO_USE_RENDERING}, |
| 23 | {DRM_FORMAT_NV12, DRM_FORMAT_MOD_NONE, BO_USE_RENDERING}, |
| 24 | {DRM_FORMAT_XRGB8888, DRM_FORMAT_MOD_NONE, BO_USE_CURSOR | BO_USE_LINEAR}, |
| 25 | {DRM_FORMAT_XRGB8888, DRM_FORMAT_MOD_NONE, BO_USE_RENDERING}, |
Gurchetan Singh | 179687e | 2016-10-28 10:07:35 -0700 | [diff] [blame] | 26 | }; |
| 27 | |
| 28 | static int exynos_init(struct driver *drv) |
| 29 | { |
| 30 | drv_insert_combinations(drv, combos, ARRAY_SIZE(combos)); |
| 31 | return drv_add_kms_flags(drv); |
| 32 | } |
| 33 | |
Gurchetan Singh | d7c84fd | 2016-08-16 18:18:24 -0700 | [diff] [blame] | 34 | static int exynos_bo_create(struct bo *bo, uint32_t width, uint32_t height, |
| 35 | uint32_t format, uint32_t flags) |
Stéphane Marchesin | 25a2606 | 2014-09-12 16:18:59 -0700 | [diff] [blame] | 36 | { |
Yuly Novikov | 96c7a3b | 2015-12-08 22:48:29 -0500 | [diff] [blame] | 37 | size_t plane; |
Stéphane Marchesin | 25a2606 | 2014-09-12 16:18:59 -0700 | [diff] [blame] | 38 | |
Gurchetan Singh | f3b22da | 2016-11-21 10:46:38 -0800 | [diff] [blame] | 39 | if (format == DRM_FORMAT_NV12) { |
Yuly Novikov | 96c7a3b | 2015-12-08 22:48:29 -0500 | [diff] [blame] | 40 | uint32_t chroma_height; |
| 41 | /* V4L2 s5p-mfc requires width to be 16 byte aligned and height 32. */ |
| 42 | width = ALIGN(width, 16); |
| 43 | height = ALIGN(height, 32); |
| 44 | chroma_height = ALIGN(height / 2, 32); |
| 45 | bo->strides[0] = bo->strides[1] = width; |
| 46 | /* MFC v8+ requires 64 byte padding in the end of luma and chroma buffers. */ |
| 47 | bo->sizes[0] = bo->strides[0] * height + 64; |
| 48 | bo->sizes[1] = bo->strides[1] * chroma_height + 64; |
| 49 | bo->offsets[0] = bo->offsets[1] = 0; |
Gurchetan Singh | a40ca9e | 2016-08-29 19:51:45 -0700 | [diff] [blame] | 50 | bo->total_size = bo->sizes[0] + bo->sizes[1]; |
Gurchetan Singh | f3b22da | 2016-11-21 10:46:38 -0800 | [diff] [blame] | 51 | } else if (format == DRM_FORMAT_XRGB8888 || format == DRM_FORMAT_ARGB8888) { |
Gurchetan Singh | 83dc4fb | 2016-07-19 15:52:33 -0700 | [diff] [blame] | 52 | bo->strides[0] = drv_stride_from_format(format, width, 0); |
Gurchetan Singh | a40ca9e | 2016-08-29 19:51:45 -0700 | [diff] [blame] | 53 | bo->total_size = bo->sizes[0] = height * bo->strides[0]; |
Yuly Novikov | 96c7a3b | 2015-12-08 22:48:29 -0500 | [diff] [blame] | 54 | bo->offsets[0] = 0; |
| 55 | } else { |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 56 | fprintf(stderr, "drv: unsupported format %X\n", format); |
Yuly Novikov | 96c7a3b | 2015-12-08 22:48:29 -0500 | [diff] [blame] | 57 | assert(0); |
| 58 | return -EINVAL; |
Ilja H. Friedel | f9d2ab7 | 2015-04-09 14:08:36 -0700 | [diff] [blame] | 59 | } |
Stéphane Marchesin | 25a2606 | 2014-09-12 16:18:59 -0700 | [diff] [blame] | 60 | |
Zach Reizner | 7431236 | 2016-05-03 15:45:16 -0700 | [diff] [blame] | 61 | int ret; |
Yuly Novikov | 96c7a3b | 2015-12-08 22:48:29 -0500 | [diff] [blame] | 62 | for (plane = 0; plane < bo->num_planes; plane++) { |
| 63 | size_t size = bo->sizes[plane]; |
| 64 | struct drm_exynos_gem_create gem_create; |
Yuly Novikov | 96c7a3b | 2015-12-08 22:48:29 -0500 | [diff] [blame] | 65 | |
| 66 | memset(&gem_create, 0, sizeof(gem_create)); |
| 67 | gem_create.size = size; |
| 68 | gem_create.flags = EXYNOS_BO_NONCONTIG; |
| 69 | |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 70 | ret = drmIoctl(bo->drv->fd, DRM_IOCTL_EXYNOS_GEM_CREATE, &gem_create); |
Yuly Novikov | 96c7a3b | 2015-12-08 22:48:29 -0500 | [diff] [blame] | 71 | if (ret) { |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 72 | fprintf(stderr, "drv: DRM_IOCTL_EXYNOS_GEM_CREATE failed " |
Yuly Novikov | 96c7a3b | 2015-12-08 22:48:29 -0500 | [diff] [blame] | 73 | "(size=%zu)\n", size); |
Zach Reizner | 7431236 | 2016-05-03 15:45:16 -0700 | [diff] [blame] | 74 | goto cleanup_planes; |
Yuly Novikov | 96c7a3b | 2015-12-08 22:48:29 -0500 | [diff] [blame] | 75 | } |
| 76 | |
| 77 | bo->handles[plane].u32 = gem_create.handle; |
| 78 | } |
Stéphane Marchesin | 25a2606 | 2014-09-12 16:18:59 -0700 | [diff] [blame] | 79 | |
| 80 | return 0; |
Zach Reizner | 7431236 | 2016-05-03 15:45:16 -0700 | [diff] [blame] | 81 | |
| 82 | cleanup_planes: |
| 83 | for ( ; plane != 0; plane--) { |
| 84 | struct drm_gem_close gem_close; |
| 85 | memset(&gem_close, 0, sizeof(gem_close)); |
| 86 | gem_close.handle = bo->handles[plane - 1].u32; |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 87 | int gem_close_ret = drmIoctl(bo->drv->fd, DRM_IOCTL_GEM_CLOSE, |
Zach Reizner | 7431236 | 2016-05-03 15:45:16 -0700 | [diff] [blame] | 88 | &gem_close); |
| 89 | if (gem_close_ret) { |
| 90 | fprintf(stderr, |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 91 | "drv: DRM_IOCTL_GEM_CLOSE failed: %d\n", |
Zach Reizner | 7431236 | 2016-05-03 15:45:16 -0700 | [diff] [blame] | 92 | gem_close_ret); |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | return ret; |
Stéphane Marchesin | 25a2606 | 2014-09-12 16:18:59 -0700 | [diff] [blame] | 97 | } |
| 98 | |
Gurchetan Singh | ef92053 | 2016-08-12 16:38:25 -0700 | [diff] [blame] | 99 | /* |
| 100 | * Use dumb mapping with exynos even though a GEM buffer is created. |
| 101 | * libdrm does the same thing in exynos_drm.c |
| 102 | */ |
Gurchetan Singh | 179687e | 2016-10-28 10:07:35 -0700 | [diff] [blame] | 103 | struct backend backend_exynos = |
Stéphane Marchesin | 25a2606 | 2014-09-12 16:18:59 -0700 | [diff] [blame] | 104 | { |
| 105 | .name = "exynos", |
Gurchetan Singh | 179687e | 2016-10-28 10:07:35 -0700 | [diff] [blame] | 106 | .init = exynos_init, |
Gurchetan Singh | d7c84fd | 2016-08-16 18:18:24 -0700 | [diff] [blame] | 107 | .bo_create = exynos_bo_create, |
Gurchetan Singh | 46faf6b | 2016-08-05 14:40:07 -0700 | [diff] [blame] | 108 | .bo_destroy = drv_gem_bo_destroy, |
Gurchetan Singh | ef92053 | 2016-08-12 16:38:25 -0700 | [diff] [blame] | 109 | .bo_map = drv_dumb_bo_map, |
Stéphane Marchesin | 25a2606 | 2014-09-12 16:18:59 -0700 | [diff] [blame] | 110 | }; |
| 111 | |
| 112 | #endif |