Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2013 Red Hat |
| 3 | * Author: Rob Clark <robdclark@gmail.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 version 2 as published by |
| 7 | * the Free Software Foundation. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, but WITHOUT |
| 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| 12 | * more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License along with |
| 15 | * this program. If not, see <http://www.gnu.org/licenses/>. |
| 16 | */ |
| 17 | |
| 18 | #include "mdp4_kms.h" |
| 19 | |
| 20 | |
| 21 | struct mdp4_plane { |
| 22 | struct drm_plane base; |
| 23 | const char *name; |
| 24 | |
Rob Clark | 22ba8b6 | 2013-10-07 12:42:27 -0400 | [diff] [blame] | 25 | enum mdp4_pipe pipe; |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 26 | |
| 27 | uint32_t nformats; |
| 28 | uint32_t formats[32]; |
| 29 | |
| 30 | bool enabled; |
| 31 | }; |
| 32 | #define to_mdp4_plane(x) container_of(x, struct mdp4_plane, base) |
| 33 | |
| 34 | static struct mdp4_kms *get_kms(struct drm_plane *plane) |
| 35 | { |
| 36 | struct msm_drm_private *priv = plane->dev->dev_private; |
Rob Clark | 9e0efa6 | 2013-11-30 17:24:22 -0500 | [diff] [blame] | 37 | return to_mdp4_kms(to_mdp_kms(priv->kms)); |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 38 | } |
| 39 | |
| 40 | static int mdp4_plane_update(struct drm_plane *plane, |
| 41 | struct drm_crtc *crtc, struct drm_framebuffer *fb, |
| 42 | int crtc_x, int crtc_y, |
| 43 | unsigned int crtc_w, unsigned int crtc_h, |
| 44 | uint32_t src_x, uint32_t src_y, |
| 45 | uint32_t src_w, uint32_t src_h) |
| 46 | { |
| 47 | struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane); |
| 48 | |
| 49 | mdp4_plane->enabled = true; |
| 50 | |
| 51 | if (plane->fb) |
| 52 | drm_framebuffer_unreference(plane->fb); |
| 53 | |
| 54 | drm_framebuffer_reference(fb); |
| 55 | |
| 56 | return mdp4_plane_mode_set(plane, crtc, fb, |
| 57 | crtc_x, crtc_y, crtc_w, crtc_h, |
| 58 | src_x, src_y, src_w, src_h); |
| 59 | } |
| 60 | |
| 61 | static int mdp4_plane_disable(struct drm_plane *plane) |
| 62 | { |
| 63 | struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane); |
Rob Clark | a862391 | 2013-10-08 12:57:48 -0400 | [diff] [blame] | 64 | DBG("%s: disable", mdp4_plane->name); |
| 65 | if (plane->crtc) |
| 66 | mdp4_crtc_detach(plane->crtc, plane); |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 67 | return 0; |
| 68 | } |
| 69 | |
| 70 | static void mdp4_plane_destroy(struct drm_plane *plane) |
| 71 | { |
| 72 | struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane); |
| 73 | |
| 74 | mdp4_plane_disable(plane); |
| 75 | drm_plane_cleanup(plane); |
| 76 | |
| 77 | kfree(mdp4_plane); |
| 78 | } |
| 79 | |
| 80 | /* helper to install properties which are common to planes and crtcs */ |
| 81 | void mdp4_plane_install_properties(struct drm_plane *plane, |
| 82 | struct drm_mode_object *obj) |
| 83 | { |
| 84 | // XXX |
| 85 | } |
| 86 | |
| 87 | int mdp4_plane_set_property(struct drm_plane *plane, |
| 88 | struct drm_property *property, uint64_t val) |
| 89 | { |
| 90 | // XXX |
| 91 | return -EINVAL; |
| 92 | } |
| 93 | |
| 94 | static const struct drm_plane_funcs mdp4_plane_funcs = { |
| 95 | .update_plane = mdp4_plane_update, |
| 96 | .disable_plane = mdp4_plane_disable, |
| 97 | .destroy = mdp4_plane_destroy, |
| 98 | .set_property = mdp4_plane_set_property, |
| 99 | }; |
| 100 | |
| 101 | void mdp4_plane_set_scanout(struct drm_plane *plane, |
| 102 | struct drm_framebuffer *fb) |
| 103 | { |
| 104 | struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane); |
| 105 | struct mdp4_kms *mdp4_kms = get_kms(plane); |
Rob Clark | 22ba8b6 | 2013-10-07 12:42:27 -0400 | [diff] [blame] | 106 | enum mdp4_pipe pipe = mdp4_plane->pipe; |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 107 | uint32_t iova; |
| 108 | |
| 109 | mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_STRIDE_A(pipe), |
| 110 | MDP4_PIPE_SRC_STRIDE_A_P0(fb->pitches[0]) | |
| 111 | MDP4_PIPE_SRC_STRIDE_A_P1(fb->pitches[1])); |
| 112 | |
| 113 | mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_STRIDE_B(pipe), |
| 114 | MDP4_PIPE_SRC_STRIDE_B_P2(fb->pitches[2]) | |
| 115 | MDP4_PIPE_SRC_STRIDE_B_P3(fb->pitches[3])); |
| 116 | |
| 117 | msm_gem_get_iova(msm_framebuffer_bo(fb, 0), mdp4_kms->id, &iova); |
| 118 | mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRCP0_BASE(pipe), iova); |
| 119 | |
| 120 | plane->fb = fb; |
| 121 | } |
| 122 | |
| 123 | #define MDP4_VG_PHASE_STEP_DEFAULT 0x20000000 |
| 124 | |
| 125 | int mdp4_plane_mode_set(struct drm_plane *plane, |
| 126 | struct drm_crtc *crtc, struct drm_framebuffer *fb, |
| 127 | int crtc_x, int crtc_y, |
| 128 | unsigned int crtc_w, unsigned int crtc_h, |
| 129 | uint32_t src_x, uint32_t src_y, |
| 130 | uint32_t src_w, uint32_t src_h) |
| 131 | { |
| 132 | struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane); |
| 133 | struct mdp4_kms *mdp4_kms = get_kms(plane); |
Rob Clark | 22ba8b6 | 2013-10-07 12:42:27 -0400 | [diff] [blame] | 134 | enum mdp4_pipe pipe = mdp4_plane->pipe; |
Rob Clark | 10a02eb | 2013-11-30 14:58:23 -0500 | [diff] [blame] | 135 | const struct mdp_format *format; |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 136 | uint32_t op_mode = 0; |
| 137 | uint32_t phasex_step = MDP4_VG_PHASE_STEP_DEFAULT; |
| 138 | uint32_t phasey_step = MDP4_VG_PHASE_STEP_DEFAULT; |
| 139 | |
| 140 | /* src values are in Q16 fixed point, convert to integer: */ |
| 141 | src_x = src_x >> 16; |
| 142 | src_y = src_y >> 16; |
| 143 | src_w = src_w >> 16; |
| 144 | src_h = src_h >> 16; |
| 145 | |
Rob Clark | a862391 | 2013-10-08 12:57:48 -0400 | [diff] [blame] | 146 | DBG("%s: FB[%u] %u,%u,%u,%u -> CRTC[%u] %d,%d,%u,%u", mdp4_plane->name, |
| 147 | fb->base.id, src_x, src_y, src_w, src_h, |
| 148 | crtc->base.id, crtc_x, crtc_y, crtc_w, crtc_h); |
| 149 | |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 150 | if (src_w != crtc_w) { |
| 151 | op_mode |= MDP4_PIPE_OP_MODE_SCALEX_EN; |
| 152 | /* TODO calc phasex_step */ |
| 153 | } |
| 154 | |
| 155 | if (src_h != crtc_h) { |
| 156 | op_mode |= MDP4_PIPE_OP_MODE_SCALEY_EN; |
| 157 | /* TODO calc phasey_step */ |
| 158 | } |
| 159 | |
| 160 | mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_SIZE(pipe), |
| 161 | MDP4_PIPE_SRC_SIZE_WIDTH(src_w) | |
| 162 | MDP4_PIPE_SRC_SIZE_HEIGHT(src_h)); |
| 163 | |
| 164 | mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_XY(pipe), |
| 165 | MDP4_PIPE_SRC_XY_X(src_x) | |
| 166 | MDP4_PIPE_SRC_XY_Y(src_y)); |
| 167 | |
| 168 | mdp4_write(mdp4_kms, REG_MDP4_PIPE_DST_SIZE(pipe), |
| 169 | MDP4_PIPE_DST_SIZE_WIDTH(crtc_w) | |
| 170 | MDP4_PIPE_DST_SIZE_HEIGHT(crtc_h)); |
| 171 | |
| 172 | mdp4_write(mdp4_kms, REG_MDP4_PIPE_DST_XY(pipe), |
Rob Clark | 7896052 | 2013-12-13 09:11:01 -0500 | [diff] [blame] | 173 | MDP4_PIPE_DST_XY_X(crtc_x) | |
| 174 | MDP4_PIPE_DST_XY_Y(crtc_y)); |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 175 | |
| 176 | mdp4_plane_set_scanout(plane, fb); |
| 177 | |
Rob Clark | 10a02eb | 2013-11-30 14:58:23 -0500 | [diff] [blame] | 178 | format = to_mdp_format(msm_framebuffer_format(fb)); |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 179 | |
| 180 | mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_FORMAT(pipe), |
| 181 | MDP4_PIPE_SRC_FORMAT_A_BPC(format->bpc_a) | |
| 182 | MDP4_PIPE_SRC_FORMAT_R_BPC(format->bpc_r) | |
| 183 | MDP4_PIPE_SRC_FORMAT_G_BPC(format->bpc_g) | |
| 184 | MDP4_PIPE_SRC_FORMAT_B_BPC(format->bpc_b) | |
| 185 | COND(format->alpha_enable, MDP4_PIPE_SRC_FORMAT_ALPHA_ENABLE) | |
| 186 | MDP4_PIPE_SRC_FORMAT_CPP(format->cpp - 1) | |
| 187 | MDP4_PIPE_SRC_FORMAT_UNPACK_COUNT(format->unpack_count - 1) | |
| 188 | COND(format->unpack_tight, MDP4_PIPE_SRC_FORMAT_UNPACK_TIGHT)); |
| 189 | |
| 190 | mdp4_write(mdp4_kms, REG_MDP4_PIPE_SRC_UNPACK(pipe), |
| 191 | MDP4_PIPE_SRC_UNPACK_ELEM0(format->unpack[0]) | |
| 192 | MDP4_PIPE_SRC_UNPACK_ELEM1(format->unpack[1]) | |
| 193 | MDP4_PIPE_SRC_UNPACK_ELEM2(format->unpack[2]) | |
| 194 | MDP4_PIPE_SRC_UNPACK_ELEM3(format->unpack[3])); |
| 195 | |
| 196 | mdp4_write(mdp4_kms, REG_MDP4_PIPE_OP_MODE(pipe), op_mode); |
| 197 | mdp4_write(mdp4_kms, REG_MDP4_PIPE_PHASEX_STEP(pipe), phasex_step); |
| 198 | mdp4_write(mdp4_kms, REG_MDP4_PIPE_PHASEY_STEP(pipe), phasey_step); |
| 199 | |
Rob Clark | a862391 | 2013-10-08 12:57:48 -0400 | [diff] [blame] | 200 | /* TODO detach from old crtc (if we had more than one) */ |
| 201 | mdp4_crtc_attach(crtc, plane); |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 202 | |
| 203 | return 0; |
| 204 | } |
| 205 | |
| 206 | static const char *pipe_names[] = { |
| 207 | "VG1", "VG2", |
| 208 | "RGB1", "RGB2", "RGB3", |
| 209 | "VG3", "VG4", |
| 210 | }; |
| 211 | |
Rob Clark | 22ba8b6 | 2013-10-07 12:42:27 -0400 | [diff] [blame] | 212 | enum mdp4_pipe mdp4_plane_pipe(struct drm_plane *plane) |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 213 | { |
| 214 | struct mdp4_plane *mdp4_plane = to_mdp4_plane(plane); |
| 215 | return mdp4_plane->pipe; |
| 216 | } |
| 217 | |
| 218 | /* initialize plane */ |
| 219 | struct drm_plane *mdp4_plane_init(struct drm_device *dev, |
Rob Clark | 22ba8b6 | 2013-10-07 12:42:27 -0400 | [diff] [blame] | 220 | enum mdp4_pipe pipe_id, bool private_plane) |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 221 | { |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 222 | struct drm_plane *plane = NULL; |
| 223 | struct mdp4_plane *mdp4_plane; |
| 224 | int ret; |
| 225 | |
| 226 | mdp4_plane = kzalloc(sizeof(*mdp4_plane), GFP_KERNEL); |
| 227 | if (!mdp4_plane) { |
| 228 | ret = -ENOMEM; |
| 229 | goto fail; |
| 230 | } |
| 231 | |
| 232 | plane = &mdp4_plane->base; |
| 233 | |
| 234 | mdp4_plane->pipe = pipe_id; |
| 235 | mdp4_plane->name = pipe_names[pipe_id]; |
| 236 | |
Rob Clark | a862391 | 2013-10-08 12:57:48 -0400 | [diff] [blame] | 237 | mdp4_plane->nformats = mdp4_get_formats(pipe_id, mdp4_plane->formats, |
| 238 | ARRAY_SIZE(mdp4_plane->formats)); |
| 239 | |
| 240 | drm_plane_init(dev, plane, 0xff, &mdp4_plane_funcs, |
| 241 | mdp4_plane->formats, mdp4_plane->nformats, |
| 242 | private_plane); |
Rob Clark | c8afe68 | 2013-06-26 12:44:06 -0400 | [diff] [blame] | 243 | |
| 244 | mdp4_plane_install_properties(plane, &plane->base); |
| 245 | |
| 246 | return plane; |
| 247 | |
| 248 | fail: |
| 249 | if (plane) |
| 250 | mdp4_plane_destroy(plane); |
| 251 | |
| 252 | return ERR_PTR(ret); |
| 253 | } |