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 | |
David Howells | 760285e | 2012-10-02 18:01:07 +0100 | [diff] [blame] | 12 | #include <drm/drmP.h> |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 13 | |
David Howells | 760285e | 2012-10-02 18:01:07 +0100 | [diff] [blame] | 14 | #include <drm/exynos_drm.h> |
Gustavo Padovan | adf5691 | 2014-11-27 14:56:09 -0200 | [diff] [blame] | 15 | #include <drm/drm_plane_helper.h> |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 16 | #include "exynos_drm_drv.h" |
Sean Paul | 080be03d | 2014-02-19 21:02:55 +0900 | [diff] [blame] | 17 | #include "exynos_drm_crtc.h" |
Joonyoung Shim | 4070d21 | 2012-06-27 14:27:05 +0900 | [diff] [blame] | 18 | #include "exynos_drm_fb.h" |
| 19 | #include "exynos_drm_gem.h" |
Mark Brown | e30655d | 2013-08-13 00:46:40 +0100 | [diff] [blame] | 20 | #include "exynos_drm_plane.h" |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 21 | |
Eunchul Kim | ba3849d | 2012-03-16 18:47:15 +0900 | [diff] [blame] | 22 | static const uint32_t formats[] = { |
| 23 | DRM_FORMAT_XRGB8888, |
Seung-Woo Kim | 6b1c762 | 2012-04-05 11:21:09 +0900 | [diff] [blame] | 24 | DRM_FORMAT_ARGB8888, |
| 25 | DRM_FORMAT_NV12, |
Eunchul Kim | ba3849d | 2012-03-16 18:47:15 +0900 | [diff] [blame] | 26 | }; |
| 27 | |
Joonyoung Shim | 2ab9792 | 2012-09-27 19:25:21 +0900 | [diff] [blame] | 28 | /* |
| 29 | * This function is to get X or Y size shown via screen. This needs length and |
| 30 | * start position of CRTC. |
| 31 | * |
| 32 | * <--- length ---> |
| 33 | * CRTC ---------------- |
| 34 | * ^ start ^ end |
| 35 | * |
Joonyoung Shim | 60a705a | 2012-12-14 15:48:22 +0900 | [diff] [blame] | 36 | * There are six cases from a to f. |
Joonyoung Shim | 2ab9792 | 2012-09-27 19:25:21 +0900 | [diff] [blame] | 37 | * |
| 38 | * <----- SCREEN -----> |
| 39 | * 0 last |
| 40 | * ----------|------------------|---------- |
| 41 | * CRTCs |
| 42 | * a ------- |
| 43 | * b ------- |
| 44 | * c -------------------------- |
| 45 | * d -------- |
| 46 | * e ------- |
| 47 | * f ------- |
| 48 | */ |
| 49 | static int exynos_plane_get_size(int start, unsigned length, unsigned last) |
| 50 | { |
| 51 | int end = start + length; |
| 52 | int size = 0; |
| 53 | |
| 54 | if (start <= 0) { |
| 55 | if (end > 0) |
| 56 | size = min_t(unsigned, end, last); |
| 57 | } else if (start <= last) { |
| 58 | size = min_t(unsigned, last - start, length); |
| 59 | } |
| 60 | |
| 61 | return size; |
| 62 | } |
| 63 | |
Gustavo Padovan | adf5691 | 2014-11-27 14:56:09 -0200 | [diff] [blame] | 64 | int exynos_check_plane(struct drm_plane *plane, struct drm_framebuffer *fb) |
Joonyoung Shim | 4070d21 | 2012-06-27 14:27:05 +0900 | [diff] [blame] | 65 | { |
Gustavo Padovan | 8837dee | 2014-11-03 18:13:27 -0200 | [diff] [blame] | 66 | struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane); |
Joonyoung Shim | 4070d21 | 2012-06-27 14:27:05 +0900 | [diff] [blame] | 67 | int nr; |
| 68 | int i; |
| 69 | |
Inki Dae | 01ed812 | 2012-08-20 20:05:56 +0900 | [diff] [blame] | 70 | nr = exynos_drm_fb_get_buf_cnt(fb); |
Joonyoung Shim | 4070d21 | 2012-06-27 14:27:05 +0900 | [diff] [blame] | 71 | for (i = 0; i < nr; i++) { |
| 72 | struct exynos_drm_gem_buf *buffer = exynos_drm_fb_buffer(fb, i); |
| 73 | |
| 74 | if (!buffer) { |
Lespiau, Damien | 133dcde | 2014-03-24 15:53:10 +0000 | [diff] [blame] | 75 | DRM_DEBUG_KMS("buffer is null\n"); |
Joonyoung Shim | 4070d21 | 2012-06-27 14:27:05 +0900 | [diff] [blame] | 76 | return -EFAULT; |
| 77 | } |
| 78 | |
Tobias Jakobi | 5d878bd | 2015-04-27 23:10:14 +0200 | [diff] [blame] | 79 | exynos_plane->dma_addr[i] = buffer->dma_addr + fb->offsets[i]; |
Joonyoung Shim | 4070d21 | 2012-06-27 14:27:05 +0900 | [diff] [blame] | 80 | |
YoungJun Cho | ddd8e95 | 2012-12-10 15:44:58 +0900 | [diff] [blame] | 81 | DRM_DEBUG_KMS("buffer: %d, dma_addr = 0x%lx\n", |
Gustavo Padovan | 8837dee | 2014-11-03 18:13:27 -0200 | [diff] [blame] | 82 | i, (unsigned long)exynos_plane->dma_addr[i]); |
Joonyoung Shim | 4070d21 | 2012-06-27 14:27:05 +0900 | [diff] [blame] | 83 | } |
| 84 | |
Gustavo Padovan | adf5691 | 2014-11-27 14:56:09 -0200 | [diff] [blame] | 85 | return 0; |
| 86 | } |
| 87 | |
| 88 | void exynos_plane_mode_set(struct drm_plane *plane, struct drm_crtc *crtc, |
| 89 | struct drm_framebuffer *fb, int crtc_x, int crtc_y, |
| 90 | unsigned int crtc_w, unsigned int crtc_h, |
| 91 | uint32_t src_x, uint32_t src_y, |
| 92 | uint32_t src_w, uint32_t src_h) |
| 93 | { |
| 94 | struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane); |
Gustavo Padovan | adf5691 | 2014-11-27 14:56:09 -0200 | [diff] [blame] | 95 | unsigned int actual_w; |
| 96 | unsigned int actual_h; |
| 97 | |
Joonyoung Shim | 2ab9792 | 2012-09-27 19:25:21 +0900 | [diff] [blame] | 98 | actual_w = exynos_plane_get_size(crtc_x, crtc_w, crtc->mode.hdisplay); |
| 99 | actual_h = exynos_plane_get_size(crtc_y, crtc_h, crtc->mode.vdisplay); |
| 100 | |
| 101 | if (crtc_x < 0) { |
| 102 | if (actual_w) |
| 103 | src_x -= crtc_x; |
Joonyoung Shim | 2ab9792 | 2012-09-27 19:25:21 +0900 | [diff] [blame] | 104 | crtc_x = 0; |
| 105 | } |
| 106 | |
| 107 | if (crtc_y < 0) { |
| 108 | if (actual_h) |
| 109 | src_y -= crtc_y; |
Joonyoung Shim | 2ab9792 | 2012-09-27 19:25:21 +0900 | [diff] [blame] | 110 | crtc_y = 0; |
| 111 | } |
Joonyoung Shim | 4070d21 | 2012-06-27 14:27:05 +0900 | [diff] [blame] | 112 | |
Joonyoung Shim | 3cabaf7 | 2015-04-07 15:59:39 +0900 | [diff] [blame] | 113 | /* set ratio */ |
| 114 | exynos_plane->h_ratio = (src_w << 16) / crtc_w; |
| 115 | exynos_plane->v_ratio = (src_h << 16) / crtc_h; |
| 116 | |
Joonyoung Shim | 4070d21 | 2012-06-27 14:27:05 +0900 | [diff] [blame] | 117 | /* set drm framebuffer data. */ |
Joonyoung Shim | cb8a3db | 2015-04-07 15:59:38 +0900 | [diff] [blame] | 118 | exynos_plane->src_x = src_x; |
| 119 | exynos_plane->src_y = src_y; |
Joonyoung Shim | 3cabaf7 | 2015-04-07 15:59:39 +0900 | [diff] [blame] | 120 | exynos_plane->src_width = (actual_w * exynos_plane->h_ratio) >> 16; |
| 121 | exynos_plane->src_height = (actual_h * exynos_plane->v_ratio) >> 16; |
Joonyoung Shim | cb8a3db | 2015-04-07 15:59:38 +0900 | [diff] [blame] | 122 | exynos_plane->fb_width = fb->width; |
| 123 | exynos_plane->fb_height = fb->height; |
Gustavo Padovan | 8837dee | 2014-11-03 18:13:27 -0200 | [diff] [blame] | 124 | exynos_plane->bpp = fb->bits_per_pixel; |
| 125 | exynos_plane->pitch = fb->pitches[0]; |
| 126 | exynos_plane->pixel_format = fb->pixel_format; |
Joonyoung Shim | 4070d21 | 2012-06-27 14:27:05 +0900 | [diff] [blame] | 127 | |
Gustavo Padovan | 8837dee | 2014-11-03 18:13:27 -0200 | [diff] [blame] | 128 | /* set plane range to be displayed. */ |
| 129 | exynos_plane->crtc_x = crtc_x; |
| 130 | exynos_plane->crtc_y = crtc_y; |
| 131 | exynos_plane->crtc_width = actual_w; |
| 132 | exynos_plane->crtc_height = actual_h; |
Joonyoung Shim | 4070d21 | 2012-06-27 14:27:05 +0900 | [diff] [blame] | 133 | |
| 134 | /* set drm mode data. */ |
Gustavo Padovan | 8837dee | 2014-11-03 18:13:27 -0200 | [diff] [blame] | 135 | exynos_plane->mode_width = crtc->mode.hdisplay; |
| 136 | exynos_plane->mode_height = crtc->mode.vdisplay; |
| 137 | exynos_plane->refresh = crtc->mode.vrefresh; |
| 138 | exynos_plane->scan_flag = crtc->mode.flags; |
Joonyoung Shim | 4070d21 | 2012-06-27 14:27:05 +0900 | [diff] [blame] | 139 | |
Gustavo Padovan | 8837dee | 2014-11-03 18:13:27 -0200 | [diff] [blame] | 140 | DRM_DEBUG_KMS("plane : offset_x/y(%d,%d), width/height(%d,%d)", |
| 141 | exynos_plane->crtc_x, exynos_plane->crtc_y, |
| 142 | exynos_plane->crtc_width, exynos_plane->crtc_height); |
Joonyoung Shim | 4070d21 | 2012-06-27 14:27:05 +0900 | [diff] [blame] | 143 | |
Andrzej Hajda | 72ed6cc | 2014-09-19 14:58:53 +0200 | [diff] [blame] | 144 | plane->crtc = crtc; |
Joonyoung Shim | 4070d21 | 2012-06-27 14:27:05 +0900 | [diff] [blame] | 145 | } |
| 146 | |
Gustavo Padovan | 0e0a649 | 2014-11-25 11:21:17 -0200 | [diff] [blame] | 147 | int |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 148 | exynos_update_plane(struct drm_plane *plane, struct drm_crtc *crtc, |
| 149 | struct drm_framebuffer *fb, int crtc_x, int crtc_y, |
| 150 | unsigned int crtc_w, unsigned int crtc_h, |
| 151 | uint32_t src_x, uint32_t src_y, |
| 152 | uint32_t src_w, uint32_t src_h) |
| 153 | { |
Gustavo Padovan | 9d5310c | 2014-11-13 22:17:46 -0200 | [diff] [blame] | 154 | |
Gustavo Padovan | 93bca24 | 2015-01-18 18:16:23 +0900 | [diff] [blame] | 155 | struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(crtc); |
Gustavo Padovan | 9d5310c | 2014-11-13 22:17:46 -0200 | [diff] [blame] | 156 | struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane); |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 157 | int ret; |
| 158 | |
Gustavo Padovan | adf5691 | 2014-11-27 14:56:09 -0200 | [diff] [blame] | 159 | ret = exynos_check_plane(plane, fb); |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 160 | if (ret < 0) |
| 161 | return ret; |
| 162 | |
Gustavo Padovan | adf5691 | 2014-11-27 14:56:09 -0200 | [diff] [blame] | 163 | exynos_plane_mode_set(plane, crtc, fb, crtc_x, crtc_y, |
| 164 | crtc_w, crtc_h, src_x >> 16, src_y >> 16, |
| 165 | src_w >> 16, src_h >> 16); |
| 166 | |
Gustavo Padovan | 93bca24 | 2015-01-18 18:16:23 +0900 | [diff] [blame] | 167 | if (exynos_crtc->ops->win_commit) |
| 168 | exynos_crtc->ops->win_commit(exynos_crtc, exynos_plane->zpos); |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 169 | |
| 170 | return 0; |
| 171 | } |
| 172 | |
| 173 | static int exynos_disable_plane(struct drm_plane *plane) |
| 174 | { |
Joonyoung Shim | d9ea625 | 2015-02-05 16:11:37 +0900 | [diff] [blame] | 175 | struct exynos_drm_plane *exynos_plane = to_exynos_plane(plane); |
| 176 | struct exynos_drm_crtc *exynos_crtc = to_exynos_crtc(plane->crtc); |
| 177 | |
Charles Keepax | 995fdfb | 2015-02-17 17:14:41 +0000 | [diff] [blame] | 178 | if (exynos_crtc && exynos_crtc->ops->win_disable) |
Joonyoung Shim | d9ea625 | 2015-02-05 16:11:37 +0900 | [diff] [blame] | 179 | exynos_crtc->ops->win_disable(exynos_crtc, |
| 180 | exynos_plane->zpos); |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 181 | |
| 182 | return 0; |
| 183 | } |
| 184 | |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 185 | static struct drm_plane_funcs exynos_plane_funcs = { |
| 186 | .update_plane = exynos_update_plane, |
| 187 | .disable_plane = exynos_disable_plane, |
Gustavo Padovan | 97464d7 | 2015-04-01 13:02:10 -0300 | [diff] [blame] | 188 | .destroy = drm_plane_cleanup, |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 189 | }; |
| 190 | |
Gustavo Padovan | 6e2a3b6 | 2015-04-03 21:05:52 +0900 | [diff] [blame] | 191 | static void exynos_plane_attach_zpos_property(struct drm_plane *plane, |
| 192 | unsigned int zpos) |
Joonyoung Shim | 00ae67c | 2012-06-27 14:27:06 +0900 | [diff] [blame] | 193 | { |
| 194 | struct drm_device *dev = plane->dev; |
| 195 | struct exynos_drm_private *dev_priv = dev->dev_private; |
| 196 | struct drm_property *prop; |
| 197 | |
Joonyoung Shim | 00ae67c | 2012-06-27 14:27:06 +0900 | [diff] [blame] | 198 | prop = dev_priv->plane_zpos_property; |
| 199 | if (!prop) { |
Gustavo Padovan | 9210488 | 2015-04-01 13:02:09 -0300 | [diff] [blame] | 200 | prop = drm_property_create_range(dev, DRM_MODE_PROP_IMMUTABLE, |
| 201 | "zpos", 0, MAX_PLANE - 1); |
Joonyoung Shim | 00ae67c | 2012-06-27 14:27:06 +0900 | [diff] [blame] | 202 | if (!prop) |
| 203 | return; |
| 204 | |
| 205 | dev_priv->plane_zpos_property = prop; |
| 206 | } |
| 207 | |
Gustavo Padovan | 6e2a3b6 | 2015-04-03 21:05:52 +0900 | [diff] [blame] | 208 | drm_object_attach_property(&plane->base, prop, zpos); |
Joonyoung Shim | 00ae67c | 2012-06-27 14:27:06 +0900 | [diff] [blame] | 209 | } |
| 210 | |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 211 | int exynos_plane_init(struct drm_device *dev, |
| 212 | struct exynos_drm_plane *exynos_plane, |
Gustavo Padovan | 6e2a3b6 | 2015-04-03 21:05:52 +0900 | [diff] [blame] | 213 | unsigned long possible_crtcs, enum drm_plane_type type, |
| 214 | unsigned int zpos) |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 215 | { |
Joonyoung Shim | b5d2eb3 | 2012-06-27 14:27:04 +0900 | [diff] [blame] | 216 | int err; |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 217 | |
Andrzej Hajda | 72ed6cc | 2014-09-19 14:58:53 +0200 | [diff] [blame] | 218 | err = drm_universal_plane_init(dev, &exynos_plane->base, possible_crtcs, |
| 219 | &exynos_plane_funcs, formats, |
| 220 | ARRAY_SIZE(formats), type); |
Joonyoung Shim | b5d2eb3 | 2012-06-27 14:27:04 +0900 | [diff] [blame] | 221 | if (err) { |
| 222 | DRM_ERROR("failed to initialize plane\n"); |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 223 | return err; |
Joonyoung Shim | b5d2eb3 | 2012-06-27 14:27:04 +0900 | [diff] [blame] | 224 | } |
| 225 | |
Gustavo Padovan | 6e2a3b6 | 2015-04-03 21:05:52 +0900 | [diff] [blame] | 226 | exynos_plane->zpos = zpos; |
| 227 | |
| 228 | if (type == DRM_PLANE_TYPE_OVERLAY) |
| 229 | exynos_plane_attach_zpos_property(&exynos_plane->base, zpos); |
Joonyoung Shim | 00ae67c | 2012-06-27 14:27:06 +0900 | [diff] [blame] | 230 | |
Gustavo Padovan | 7ee14cd | 2015-04-03 21:03:40 +0900 | [diff] [blame] | 231 | return 0; |
Joonyoung Shim | 864ee9e | 2011-12-08 17:54:07 +0900 | [diff] [blame] | 232 | } |