Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 Samsung Electronics Co.Ltd |
| 3 | * Authors: Joonyoung Shim <jy0922.shim@samsung.com> |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License as published by the |
| 7 | * Free Software Foundation; either version 2 of the License, or (at your |
| 8 | * option) any later version. |
| 9 | * |
| 10 | */ |
| 11 | |
| 12 | #include "drmP.h" |
| 13 | |
| 14 | #include "exynos_drm.h" |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 15 | #include "exynos_drm_drv.h" |
Joonyoung Shim | b5d2eb3 | 2012-06-27 14:27:04 +0900 | [diff] [blame^] | 16 | #include "exynos_drm_crtc.h" |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 17 | #include "exynos_drm_encoder.h" |
| 18 | |
Joonyoung Shim | fdc575e | 2012-06-27 14:27:03 +0900 | [diff] [blame] | 19 | #define to_exynos_plane(x) container_of(x, struct exynos_plane, base) |
| 20 | |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 21 | struct exynos_plane { |
| 22 | struct drm_plane base; |
| 23 | struct exynos_drm_overlay overlay; |
| 24 | bool enabled; |
| 25 | }; |
| 26 | |
Eunchul Kim | ba3849d | 2012-03-16 18:47:15 +0900 | [diff] [blame] | 27 | static const uint32_t formats[] = { |
| 28 | DRM_FORMAT_XRGB8888, |
Seung-Woo Kim | 6b1c762 | 2012-04-05 11:21:09 +0900 | [diff] [blame] | 29 | DRM_FORMAT_ARGB8888, |
| 30 | DRM_FORMAT_NV12, |
| 31 | DRM_FORMAT_NV12M, |
| 32 | DRM_FORMAT_NV12MT, |
Eunchul Kim | ba3849d | 2012-03-16 18:47:15 +0900 | [diff] [blame] | 33 | }; |
| 34 | |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 35 | static int |
| 36 | exynos_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, |
| 37 | struct drm_framebuffer *fb, int crtc_x, int crtc_y, |
| 38 | unsigned int crtc_w, unsigned int crtc_h, |
| 39 | uint32_t src_x, uint32_t src_y, |
| 40 | uint32_t src_w, uint32_t src_h) |
| 41 | { |
Joonyoung Shim | fdc575e | 2012-06-27 14:27:03 +0900 | [diff] [blame] | 42 | struct exynos_plane *exynos_plane = to_exynos_plane(plane); |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 43 | struct exynos_drm_overlay *overlay = &exynos_plane->overlay; |
| 44 | struct exynos_drm_crtc_pos pos; |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 45 | int ret; |
| 46 | |
| 47 | DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); |
| 48 | |
| 49 | memset(&pos, 0, sizeof(struct exynos_drm_crtc_pos)); |
| 50 | pos.crtc_x = crtc_x; |
| 51 | pos.crtc_y = crtc_y; |
| 52 | pos.crtc_w = crtc_w; |
| 53 | pos.crtc_h = crtc_h; |
| 54 | |
Seung-Woo Kim | 0d8071ee | 2012-04-24 18:43:10 +0900 | [diff] [blame] | 55 | /* considering 16.16 fixed point of source values */ |
| 56 | pos.fb_x = src_x >> 16; |
| 57 | pos.fb_y = src_y >> 16; |
| 58 | pos.src_w = src_w >> 16; |
| 59 | pos.src_h = src_h >> 16; |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 60 | |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 61 | ret = exynos_drm_overlay_update(overlay, fb, &crtc->mode, &pos); |
| 62 | if (ret < 0) |
| 63 | return ret; |
| 64 | |
| 65 | exynos_drm_fn_encoder(crtc, overlay, |
| 66 | exynos_drm_encoder_crtc_mode_set); |
| 67 | exynos_drm_fn_encoder(crtc, &overlay->zpos, |
| 68 | exynos_drm_encoder_crtc_plane_commit); |
| 69 | |
| 70 | exynos_plane->enabled = true; |
| 71 | |
| 72 | return 0; |
| 73 | } |
| 74 | |
| 75 | static int exynos_disable_plane(struct drm_plane *plane) |
| 76 | { |
Joonyoung Shim | fdc575e | 2012-06-27 14:27:03 +0900 | [diff] [blame] | 77 | struct exynos_plane *exynos_plane = to_exynos_plane(plane); |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 78 | struct exynos_drm_overlay *overlay = &exynos_plane->overlay; |
| 79 | |
| 80 | DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); |
| 81 | |
| 82 | if (!exynos_plane->enabled) |
| 83 | return 0; |
| 84 | |
| 85 | exynos_drm_fn_encoder(plane->crtc, &overlay->zpos, |
| 86 | exynos_drm_encoder_crtc_disable); |
| 87 | |
| 88 | exynos_plane->enabled = false; |
| 89 | exynos_plane->overlay.zpos = DEFAULT_ZPOS; |
| 90 | |
| 91 | return 0; |
| 92 | } |
| 93 | |
| 94 | static void exynos_plane_destroy(struct drm_plane *plane) |
| 95 | { |
Joonyoung Shim | fdc575e | 2012-06-27 14:27:03 +0900 | [diff] [blame] | 96 | struct exynos_plane *exynos_plane = to_exynos_plane(plane); |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 97 | |
| 98 | DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); |
| 99 | |
| 100 | exynos_disable_plane(plane); |
| 101 | drm_plane_cleanup(plane); |
| 102 | kfree(exynos_plane); |
| 103 | } |
| 104 | |
| 105 | static struct drm_plane_funcs exynos_plane_funcs = { |
| 106 | .update_plane = exynos_update_plane, |
| 107 | .disable_plane = exynos_disable_plane, |
| 108 | .destroy = exynos_plane_destroy, |
| 109 | }; |
| 110 | |
Joonyoung Shim | b5d2eb3 | 2012-06-27 14:27:04 +0900 | [diff] [blame^] | 111 | struct drm_plane *exynos_plane_init(struct drm_device *dev, |
| 112 | unsigned int possible_crtcs, bool priv) |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 113 | { |
| 114 | struct exynos_plane *exynos_plane; |
Joonyoung Shim | b5d2eb3 | 2012-06-27 14:27:04 +0900 | [diff] [blame^] | 115 | int err; |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 116 | |
| 117 | exynos_plane = kzalloc(sizeof(struct exynos_plane), GFP_KERNEL); |
Joonyoung Shim | b5d2eb3 | 2012-06-27 14:27:04 +0900 | [diff] [blame^] | 118 | if (!exynos_plane) { |
| 119 | DRM_ERROR("failed to allocate plane\n"); |
| 120 | return NULL; |
| 121 | } |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 122 | |
| 123 | exynos_plane->overlay.zpos = DEFAULT_ZPOS; |
| 124 | |
Joonyoung Shim | b5d2eb3 | 2012-06-27 14:27:04 +0900 | [diff] [blame^] | 125 | err = drm_plane_init(dev, &exynos_plane->base, possible_crtcs, |
Eunchul Kim | ba3849d | 2012-03-16 18:47:15 +0900 | [diff] [blame] | 126 | &exynos_plane_funcs, formats, ARRAY_SIZE(formats), |
Joonyoung Shim | b5d2eb3 | 2012-06-27 14:27:04 +0900 | [diff] [blame^] | 127 | priv); |
| 128 | if (err) { |
| 129 | DRM_ERROR("failed to initialize plane\n"); |
| 130 | kfree(exynos_plane); |
| 131 | return NULL; |
| 132 | } |
| 133 | |
| 134 | return &exynos_plane->base; |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 135 | } |
| 136 | |
| 137 | int exynos_plane_set_zpos_ioctl(struct drm_device *dev, void *data, |
| 138 | struct drm_file *file_priv) |
| 139 | { |
| 140 | struct drm_exynos_plane_set_zpos *zpos_req = data; |
| 141 | struct drm_mode_object *obj; |
| 142 | struct drm_plane *plane; |
| 143 | struct exynos_plane *exynos_plane; |
| 144 | int ret = 0; |
| 145 | |
| 146 | DRM_DEBUG_KMS("[%d] %s\n", __LINE__, __func__); |
| 147 | |
| 148 | if (!drm_core_check_feature(dev, DRIVER_MODESET)) |
| 149 | return -EINVAL; |
| 150 | |
| 151 | if (zpos_req->zpos < 0 || zpos_req->zpos >= MAX_PLANE) { |
| 152 | if (zpos_req->zpos != DEFAULT_ZPOS) { |
| 153 | DRM_ERROR("zpos not within limits\n"); |
| 154 | return -EINVAL; |
| 155 | } |
| 156 | } |
| 157 | |
| 158 | mutex_lock(&dev->mode_config.mutex); |
| 159 | |
| 160 | obj = drm_mode_object_find(dev, zpos_req->plane_id, |
| 161 | DRM_MODE_OBJECT_PLANE); |
| 162 | if (!obj) { |
| 163 | DRM_DEBUG_KMS("Unknown plane ID %d\n", |
| 164 | zpos_req->plane_id); |
| 165 | ret = -EINVAL; |
| 166 | goto out; |
| 167 | } |
| 168 | |
| 169 | plane = obj_to_plane(obj); |
Joonyoung Shim | fdc575e | 2012-06-27 14:27:03 +0900 | [diff] [blame] | 170 | exynos_plane = to_exynos_plane(plane); |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 171 | |
| 172 | exynos_plane->overlay.zpos = zpos_req->zpos; |
| 173 | |
| 174 | out: |
| 175 | mutex_unlock(&dev->mode_config.mutex); |
| 176 | return ret; |
| 177 | } |
Joonyoung Shim | b5d2eb3 | 2012-06-27 14:27:04 +0900 | [diff] [blame^] | 178 | |
| 179 | struct exynos_drm_overlay *get_exynos_drm_overlay(struct drm_plane *plane) |
| 180 | { |
| 181 | struct exynos_plane *exynos_plane = to_exynos_plane(plane); |
| 182 | |
| 183 | return &exynos_plane->overlay; |
| 184 | } |