Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1 | /* Copyright (c) 2013-2018, The Linux Foundation. All rights reserved. |
| 2 | * |
| 3 | * This program is free software; you can redistribute it and/or modify |
| 4 | * it under the terms of the GNU General Public License version 2 and |
| 5 | * only version 2 as published by the Free Software Foundation. |
| 6 | * |
| 7 | * This program is distributed in the hope that it will be useful, |
| 8 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 9 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 10 | * GNU General Public License for more details. |
| 11 | * |
| 12 | */ |
| 13 | |
| 14 | #define pr_fmt(fmt) "%s: " fmt, __func__ |
| 15 | |
| 16 | #include <linux/dma-mapping.h> |
| 17 | #include <linux/errno.h> |
| 18 | #include <linux/kernel.h> |
| 19 | #include <linux/major.h> |
| 20 | #include <linux/module.h> |
| 21 | #include <linux/uaccess.h> |
| 22 | #include <linux/delay.h> |
| 23 | #include <linux/dma-buf.h> |
| 24 | #include <linux/pm_runtime.h> |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 25 | #include <linux/iommu.h> |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 26 | #include <linux/msm_ion.h> |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 27 | |
| 28 | #include "mdp3_ctrl.h" |
| 29 | #include "mdp3.h" |
| 30 | #include "mdp3_ppp.h" |
| 31 | #include "mdss_smmu.h" |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 32 | #include "mdss_spi_panel.h" |
Arun kumar | 47145e0 | 2018-03-23 22:07:51 +0530 | [diff] [blame] | 33 | #include "mdss_sync.h" |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 34 | |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 35 | static void mdp3_ctrl_pan_display(struct msm_fb_data_type *mfd); |
| 36 | static int mdp3_overlay_unset(struct msm_fb_data_type *mfd, int ndx); |
| 37 | static int mdp3_histogram_stop(struct mdp3_session_data *session, |
| 38 | u32 block); |
| 39 | static int mdp3_ctrl_clk_enable(struct msm_fb_data_type *mfd, int enable); |
| 40 | static int mdp3_ctrl_vsync_enable(struct msm_fb_data_type *mfd, int enable); |
| 41 | static int mdp3_ctrl_get_intf_type(struct msm_fb_data_type *mfd); |
| 42 | static int mdp3_ctrl_lut_read(struct msm_fb_data_type *mfd, |
| 43 | struct mdp_rgb_lut_data *cfg); |
| 44 | static int mdp3_ctrl_lut_config(struct msm_fb_data_type *mfd, |
| 45 | struct mdp_rgb_lut_data *cfg); |
| 46 | static void mdp3_ctrl_pp_resume(struct msm_fb_data_type *mfd); |
| 47 | |
| 48 | u32 mdp_lut_inverse16[MDP_LUT_SIZE] = { |
| 49 | 0, 65536, 32768, 21845, 16384, 13107, 10923, 9362, 8192, 7282, 6554, 5958, |
| 50 | 5461, 5041, 4681, 4369, 4096, 3855, 3641, 3449, 3277, 3121, 2979, 2849, 2731, |
| 51 | 2621, 2521, 2427, 2341, 2260, 2185, 2114, 2048, 1986, 1928, 1872, 1820, 1771, |
| 52 | 1725, 1680, 1638, 1598, 1560, 1524, 1489, 1456, 1425, 1394, 1365, 1337, 1311, |
| 53 | 1285, 1260, 1237, 1214, 1192, 1170, 1150, 1130, 1111, 1092, 1074, 1057, 1040, |
| 54 | 1024, 1008, 993, 978, 964, 950, 936, 923, 910, 898, 886, 874, 862, 851, 840, |
| 55 | 830, 819, 809, 799, 790, 780, 771, 762, 753, 745, 736, 728, 720, 712, 705, 697, |
| 56 | 690, 683, 676, 669, 662, 655, 649, 643, 636, 630, 624, 618, 612, 607, 601, 596, |
| 57 | 590, 585, 580, 575, 570, 565, 560, 555, 551, 546, 542, 537, 533, 529, 524, 520, |
| 58 | 516, 512, 508, 504, 500, 496, 493, 489, 485, 482, 478, 475, 471, 468, 465, 462, |
| 59 | 458, 455, 452, 449, 446, 443, 440, 437, 434, 431, 428, 426, 423, 420, 417, 415, |
| 60 | 412, 410, 407, 405, 402, 400, 397, 395, 392, 390, 388, 386, 383, 381, 379, 377, |
| 61 | 374, 372, 370, 368, 366, 364, 362, 360, 358, 356, 354, 352, 350, 349, 347, 345, |
| 62 | 343, 341, 340, 338, 336, 334, 333, 331, 329, 328, 326, 324, 323, 321, 320, 318, |
| 63 | 317, 315, 314, 312, 311, 309, 308, 306, 305, 303, 302, 301, 299, 298, 297, 295, |
| 64 | 294, 293, 291, 290, 289, 287, 286, 285, 284, 282, 281, 280, 279, 278, 277, 275, |
| 65 | 274, 273, 272, 271, 270, 269, 267, 266, 265, 264, 263, 262, 261, 260, 259, 258, |
| 66 | 257}; |
| 67 | |
| 68 | static void mdp3_bufq_init(struct mdp3_buffer_queue *bufq) |
| 69 | { |
| 70 | bufq->count = 0; |
| 71 | bufq->push_idx = 0; |
| 72 | bufq->pop_idx = 0; |
| 73 | } |
| 74 | |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 75 | void mdp3_bufq_deinit(struct mdp3_buffer_queue *bufq, int client) |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 76 | { |
| 77 | int count = bufq->count; |
| 78 | |
| 79 | if (!count) |
| 80 | return; |
| 81 | |
| 82 | while (count-- && (bufq->pop_idx >= 0)) { |
| 83 | struct mdp3_img_data *data = &bufq->img_data[bufq->pop_idx]; |
| 84 | |
| 85 | bufq->pop_idx = (bufq->pop_idx + 1) % MDP3_MAX_BUF_QUEUE; |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 86 | mdp3_put_img(data, client); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 87 | } |
| 88 | bufq->count = 0; |
| 89 | bufq->push_idx = 0; |
| 90 | bufq->pop_idx = 0; |
| 91 | } |
| 92 | |
| 93 | int mdp3_bufq_push(struct mdp3_buffer_queue *bufq, |
| 94 | struct mdp3_img_data *data) |
| 95 | { |
| 96 | if (bufq->count >= MDP3_MAX_BUF_QUEUE) { |
| 97 | pr_err("bufq full\n"); |
| 98 | return -EPERM; |
| 99 | } |
| 100 | |
| 101 | bufq->img_data[bufq->push_idx] = *data; |
| 102 | bufq->push_idx = (bufq->push_idx + 1) % MDP3_MAX_BUF_QUEUE; |
| 103 | bufq->count++; |
| 104 | return 0; |
| 105 | } |
| 106 | |
| 107 | static struct mdp3_img_data *mdp3_bufq_pop(struct mdp3_buffer_queue *bufq) |
| 108 | { |
| 109 | struct mdp3_img_data *data; |
| 110 | |
| 111 | if (bufq->count == 0) |
| 112 | return NULL; |
| 113 | |
| 114 | data = &bufq->img_data[bufq->pop_idx]; |
| 115 | bufq->count--; |
| 116 | bufq->pop_idx = (bufq->pop_idx + 1) % MDP3_MAX_BUF_QUEUE; |
| 117 | return data; |
| 118 | } |
| 119 | |
| 120 | static int mdp3_bufq_count(struct mdp3_buffer_queue *bufq) |
| 121 | { |
| 122 | return bufq->count; |
| 123 | } |
| 124 | |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 125 | int mdp3_get_ion_client(struct msm_fb_data_type *mfd) |
| 126 | { |
| 127 | int intf_type; |
| 128 | |
| 129 | intf_type = mdp3_ctrl_get_intf_type(mfd); |
| 130 | |
| 131 | if (intf_type == MDP3_DMA_OUTPUT_SEL_SPI_CMD) |
| 132 | return MDP3_CLIENT_SPI; |
| 133 | else |
| 134 | return MDP3_CLIENT_DMA_P; |
| 135 | } |
| 136 | |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 137 | void mdp3_ctrl_notifier_register(struct mdp3_session_data *ses, |
| 138 | struct notifier_block *notifier) |
| 139 | { |
| 140 | blocking_notifier_chain_register(&ses->notifier_head, notifier); |
| 141 | } |
| 142 | |
| 143 | void mdp3_ctrl_notifier_unregister(struct mdp3_session_data *ses, |
| 144 | struct notifier_block *notifier) |
| 145 | { |
| 146 | blocking_notifier_chain_unregister(&ses->notifier_head, notifier); |
| 147 | } |
| 148 | |
| 149 | int mdp3_ctrl_notify(struct mdp3_session_data *ses, int event) |
| 150 | { |
| 151 | return blocking_notifier_call_chain(&ses->notifier_head, event, ses); |
| 152 | } |
| 153 | |
Animesh Kishore | 3650a56 | 2018-11-16 00:26:26 +0530 | [diff] [blame] | 154 | static void __mdp3_dispatch_dma_done(struct mdp3_session_data *session) |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 155 | { |
Animesh Kishore | 3650a56 | 2018-11-16 00:26:26 +0530 | [diff] [blame] | 156 | int cnt; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 157 | |
| 158 | cnt = atomic_read(&session->dma_done_cnt); |
| 159 | MDSS_XLOG(cnt); |
| 160 | while (cnt > 0) { |
| 161 | mdp3_ctrl_notify(session, MDP_NOTIFY_FRAME_DONE); |
| 162 | atomic_dec(&session->dma_done_cnt); |
| 163 | cnt--; |
| 164 | } |
| 165 | } |
| 166 | |
Animesh Kishore | 3650a56 | 2018-11-16 00:26:26 +0530 | [diff] [blame] | 167 | void mdp3_flush_dma_done(struct mdp3_session_data *session) |
| 168 | { |
| 169 | if (!session) |
| 170 | return; |
| 171 | |
| 172 | pr_debug("%s\n", __func__); |
| 173 | |
| 174 | __mdp3_dispatch_dma_done(session); |
| 175 | } |
| 176 | |
| 177 | static void mdp3_dispatch_dma_done(struct kthread_work *work) |
| 178 | { |
| 179 | struct mdp3_session_data *session; |
| 180 | |
| 181 | pr_debug("%s\n", __func__); |
| 182 | session = container_of(work, struct mdp3_session_data, |
| 183 | dma_done_work); |
| 184 | if (!session) |
| 185 | return; |
| 186 | |
| 187 | __mdp3_dispatch_dma_done(session); |
| 188 | } |
| 189 | |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 190 | static void mdp3_dispatch_clk_off(struct work_struct *work) |
| 191 | { |
| 192 | struct mdp3_session_data *session; |
| 193 | int rc; |
| 194 | bool dmap_busy; |
| 195 | int retry_count = 2; |
| 196 | |
| 197 | pr_debug("%s\n", __func__); |
| 198 | MDSS_XLOG(XLOG_FUNC_ENTRY, __LINE__); |
| 199 | session = container_of(work, struct mdp3_session_data, |
| 200 | clk_off_work); |
| 201 | if (!session) |
| 202 | return; |
| 203 | |
| 204 | mutex_lock(&session->lock); |
Abhijith Desai | b502b28 | 2018-09-12 14:48:22 +0530 | [diff] [blame] | 205 | MDSS_XLOG(0x111, atomic_read(&session->vsync_countdown), |
| 206 | session->dma->vsync_period); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 207 | if (session->vsync_enabled || |
| 208 | atomic_read(&session->vsync_countdown) > 0) { |
| 209 | mutex_unlock(&session->lock); |
| 210 | pr_debug("%s: Ignoring clk shut down\n", __func__); |
| 211 | MDSS_XLOG(XLOG_FUNC_EXIT, __LINE__); |
| 212 | return; |
| 213 | } |
| 214 | |
Arun kumar | 04d4a92 | 2018-05-23 16:22:45 +0530 | [diff] [blame] | 215 | if (!session->clk_on) { |
| 216 | mutex_unlock(&session->lock); |
| 217 | pr_debug("%s: Clk shut down is done\n", __func__); |
| 218 | MDSS_XLOG(XLOG_FUNC_EXIT, __LINE__); |
| 219 | return; |
| 220 | } |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 221 | if (session->intf->active) { |
| 222 | retry_dma_done: |
| 223 | rc = wait_for_completion_timeout(&session->dma_completion, |
Abhijith Desai | b502b28 | 2018-09-12 14:48:22 +0530 | [diff] [blame] | 224 | dma_timeout_value(session->dma)); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 225 | if (rc <= 0) { |
| 226 | struct mdss_panel_data *panel; |
| 227 | |
| 228 | panel = session->panel; |
| 229 | pr_debug("cmd kickoff timed out (%d)\n", rc); |
| 230 | dmap_busy = session->dma->busy(); |
Abhijith Desai | b502b28 | 2018-09-12 14:48:22 +0530 | [diff] [blame] | 231 | MDSS_XLOG(0x222, dmap_busy); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 232 | if (dmap_busy) { |
| 233 | if (--retry_count) { |
| 234 | pr_err("dmap is busy, retry %d\n", |
| 235 | retry_count); |
Arun kumar | 04d4a92 | 2018-05-23 16:22:45 +0530 | [diff] [blame] | 236 | MDSS_XLOG(__LINE__, retry_count); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 237 | goto retry_dma_done; |
| 238 | } |
| 239 | pr_err("dmap is still busy, bug_on\n"); |
Abhijith Desai | b502b28 | 2018-09-12 14:48:22 +0530 | [diff] [blame] | 240 | BUG_ON(1); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 241 | } else { |
| 242 | pr_debug("dmap is not busy, continue\n"); |
| 243 | } |
| 244 | } |
| 245 | } |
| 246 | mdp3_ctrl_vsync_enable(session->mfd, 0); |
| 247 | mdp3_ctrl_clk_enable(session->mfd, 0); |
| 248 | MDSS_XLOG(XLOG_FUNC_EXIT, __LINE__); |
| 249 | mutex_unlock(&session->lock); |
| 250 | } |
| 251 | |
| 252 | static void mdp3_vsync_retire_handle_vsync(void *arg) |
| 253 | { |
| 254 | struct mdp3_session_data *mdp3_session; |
| 255 | |
| 256 | mdp3_session = (struct mdp3_session_data *)arg; |
| 257 | |
| 258 | if (!mdp3_session) { |
| 259 | pr_warn("Invalid handle for vsync\n"); |
| 260 | return; |
| 261 | } |
| 262 | |
| 263 | schedule_work(&mdp3_session->retire_work); |
| 264 | } |
| 265 | |
Animesh Kishore | 8b42bd9 | 2018-12-04 18:57:13 +0530 | [diff] [blame] | 266 | void mdp3_vsync_retire_signal(struct msm_fb_data_type *mfd, int val) |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 267 | { |
| 268 | struct mdp3_session_data *mdp3_session; |
| 269 | |
| 270 | mdp3_session = (struct mdp3_session_data *)mfd->mdp.private1; |
| 271 | |
| 272 | mutex_lock(&mfd->mdp_sync_pt_data.sync_mutex); |
| 273 | if (mdp3_session->retire_cnt > 0) { |
Arun kumar | 47145e0 | 2018-03-23 22:07:51 +0530 | [diff] [blame] | 274 | mdss_inc_timeline(mfd->mdp_sync_pt_data.timeline_retire, val); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 275 | mdp3_session->retire_cnt -= min(val, mdp3_session->retire_cnt); |
Animesh Kishore | 8b42bd9 | 2018-12-04 18:57:13 +0530 | [diff] [blame] | 276 | pr_debug("Retire signaled! timeline val=%d remaining=%d\n", |
| 277 | mdss_get_timeline_retire_ts( |
| 278 | mfd->mdp_sync_pt_data.timeline_retire), |
| 279 | mdp3_session->retire_cnt); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 280 | } |
| 281 | mutex_unlock(&mfd->mdp_sync_pt_data.sync_mutex); |
| 282 | } |
| 283 | |
| 284 | static void mdp3_vsync_retire_work_handler(struct work_struct *work) |
| 285 | { |
| 286 | struct mdp3_session_data *mdp3_session = |
| 287 | container_of(work, struct mdp3_session_data, retire_work); |
| 288 | |
| 289 | if (!mdp3_session) |
| 290 | return; |
| 291 | |
| 292 | mdp3_vsync_retire_signal(mdp3_session->mfd, 1); |
| 293 | } |
| 294 | |
| 295 | void mdp3_hist_intr_notify(struct mdp3_dma *dma) |
| 296 | { |
| 297 | dma->hist_events++; |
| 298 | sysfs_notify_dirent(dma->hist_event_sd); |
| 299 | pr_debug("%s:: hist_events = %u\n", __func__, dma->hist_events); |
| 300 | } |
| 301 | |
| 302 | void vsync_notify_handler(void *arg) |
| 303 | { |
| 304 | struct mdp3_session_data *session = (struct mdp3_session_data *)arg; |
| 305 | |
| 306 | session->vsync_time = ktime_get(); |
| 307 | MDSS_XLOG(ktime_to_ms(session->vsync_time)); |
| 308 | sysfs_notify_dirent(session->vsync_event_sd); |
| 309 | } |
| 310 | |
| 311 | void dma_done_notify_handler(void *arg) |
| 312 | { |
| 313 | struct mdp3_session_data *session = (struct mdp3_session_data *)arg; |
| 314 | |
| 315 | atomic_inc(&session->dma_done_cnt); |
Sachin Bhayare | 3d3767e | 2018-01-02 21:10:57 +0530 | [diff] [blame] | 316 | kthread_queue_work(&session->worker, &session->dma_done_work); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 317 | complete_all(&session->dma_completion); |
| 318 | } |
| 319 | |
| 320 | void vsync_count_down(void *arg) |
| 321 | { |
| 322 | struct mdp3_session_data *session = (struct mdp3_session_data *)arg; |
| 323 | |
| 324 | /* We are counting down to turn off clocks */ |
Abhijith Desai | b502b28 | 2018-09-12 14:48:22 +0530 | [diff] [blame] | 325 | if (atomic_read(&session->vsync_countdown) > 0) { |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 326 | atomic_dec(&session->vsync_countdown); |
Abhijith Desai | b502b28 | 2018-09-12 14:48:22 +0530 | [diff] [blame] | 327 | MDSS_XLOG(atomic_read(&session->vsync_countdown), |
| 328 | session->dma->vsync_period); |
Abhijith Desai | 88a830c | 2018-09-11 14:54:21 +0530 | [diff] [blame] | 329 | if (atomic_read(&session->vsync_countdown) == 0) |
| 330 | schedule_work(&session->clk_off_work); |
Abhijith Desai | b502b28 | 2018-09-12 14:48:22 +0530 | [diff] [blame] | 331 | } |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 332 | } |
| 333 | |
| 334 | void mdp3_ctrl_reset_countdown(struct mdp3_session_data *session, |
| 335 | struct msm_fb_data_type *mfd) |
| 336 | { |
| 337 | if (mdp3_ctrl_get_intf_type(mfd) == MDP3_DMA_OUTPUT_SEL_DSI_CMD) |
| 338 | atomic_set(&session->vsync_countdown, VSYNC_EXPIRE_TICK); |
Abhijith Desai | b502b28 | 2018-09-12 14:48:22 +0530 | [diff] [blame] | 339 | |
| 340 | MDSS_XLOG(atomic_read(&session->vsync_countdown)); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 341 | } |
| 342 | |
| 343 | static int mdp3_ctrl_vsync_enable(struct msm_fb_data_type *mfd, int enable) |
| 344 | { |
| 345 | struct mdp3_session_data *mdp3_session; |
| 346 | struct mdp3_notification vsync_client; |
| 347 | struct mdp3_notification *arg = NULL; |
| 348 | bool mod_vsync_timer = false; |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 349 | int intf_type; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 350 | |
| 351 | pr_debug("mdp3_ctrl_vsync_enable =%d\n", enable); |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 352 | |
| 353 | intf_type = mdp3_ctrl_get_intf_type(mfd); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 354 | mdp3_session = (struct mdp3_session_data *)mfd->mdp.private1; |
| 355 | if (!mdp3_session || !mdp3_session->panel || !mdp3_session->dma || |
| 356 | !mdp3_session->intf) |
| 357 | return -ENODEV; |
| 358 | |
| 359 | if (!mdp3_session->status) { |
| 360 | pr_debug("fb%d is not on yet", mfd->index); |
| 361 | return -EINVAL; |
| 362 | } |
| 363 | if (enable) { |
| 364 | vsync_client.handler = vsync_notify_handler; |
| 365 | vsync_client.arg = mdp3_session; |
| 366 | arg = &vsync_client; |
| 367 | } else if (atomic_read(&mdp3_session->vsync_countdown) > 0) { |
| 368 | /* |
| 369 | * Now that vsync is no longer needed we will |
| 370 | * shutdown dsi clocks as soon as cnt down == 0 |
| 371 | * for cmd mode panels |
| 372 | */ |
| 373 | vsync_client.handler = vsync_count_down; |
| 374 | vsync_client.arg = mdp3_session; |
| 375 | arg = &vsync_client; |
| 376 | enable = 1; |
| 377 | } |
| 378 | |
| 379 | if (enable) { |
| 380 | if (mdp3_session->status == 1 && |
| 381 | (mdp3_session->vsync_before_commit || |
| 382 | !mdp3_session->intf->active)) { |
| 383 | mod_vsync_timer = true; |
| 384 | } else if (!mdp3_session->clk_on) { |
| 385 | /* Enable clocks before enabling the vsync interrupt */ |
| 386 | mdp3_ctrl_reset_countdown(mdp3_session, mfd); |
| 387 | mdp3_ctrl_clk_enable(mfd, 1); |
| 388 | } |
| 389 | } |
| 390 | |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 391 | if (intf_type == MDP3_DMA_OUTPUT_SEL_SPI_CMD) { |
| 392 | mdp3_spi_vsync_enable(mdp3_session->panel, arg); |
| 393 | } else { |
| 394 | mdp3_clk_enable(1, 0); |
| 395 | mdp3_session->dma->vsync_enable(mdp3_session->dma, arg); |
| 396 | mdp3_clk_enable(0, 0); |
| 397 | } |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 398 | |
| 399 | /* |
| 400 | * Need to fake vsync whenever dsi interface is not |
| 401 | * active or when dsi clocks are currently off |
| 402 | */ |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 403 | if (mod_vsync_timer && (intf_type != MDP3_DMA_OUTPUT_SEL_SPI_CMD)) { |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 404 | mod_timer(&mdp3_session->vsync_timer, |
Abhijith Desai | b502b28 | 2018-09-12 14:48:22 +0530 | [diff] [blame] | 405 | jiffies + msecs_to_jiffies(mdp3_session->dma->vsync_period)); |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 406 | } else if (enable && !mdp3_session->clk_on) { |
| 407 | mdp3_ctrl_reset_countdown(mdp3_session, mfd); |
| 408 | mdp3_ctrl_clk_enable(mfd, 1); |
| 409 | } else if (!enable && (intf_type != MDP3_DMA_OUTPUT_SEL_SPI_CMD)) { |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 410 | del_timer(&mdp3_session->vsync_timer); |
| 411 | } |
| 412 | |
| 413 | return 0; |
| 414 | } |
| 415 | |
| 416 | void mdp3_vsync_timer_func(unsigned long arg) |
| 417 | { |
| 418 | struct mdp3_session_data *session = (struct mdp3_session_data *)arg; |
| 419 | |
| 420 | if (session->status == 1 && (session->vsync_before_commit || |
| 421 | !session->intf->active)) { |
| 422 | pr_debug("mdp3_vsync_timer_func trigger\n"); |
| 423 | vsync_notify_handler(session); |
| 424 | mod_timer(&session->vsync_timer, |
Abhijith Desai | b502b28 | 2018-09-12 14:48:22 +0530 | [diff] [blame] | 425 | jiffies + msecs_to_jiffies(session->dma->vsync_period)); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 426 | } |
| 427 | } |
| 428 | |
| 429 | static int mdp3_ctrl_async_blit_req(struct msm_fb_data_type *mfd, |
| 430 | void __user *p) |
| 431 | { |
| 432 | struct mdp_async_blit_req_list req_list_header; |
| 433 | int rc, count; |
| 434 | void __user *p_req; |
| 435 | |
| 436 | if (copy_from_user(&req_list_header, p, sizeof(req_list_header))) |
| 437 | return -EFAULT; |
| 438 | p_req = p + sizeof(req_list_header); |
| 439 | count = req_list_header.count; |
Arun kumar | 98917ce | 2018-05-23 15:50:25 +0530 | [diff] [blame] | 440 | if (count < 0 || count > MAX_BLIT_REQ) |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 441 | return -EINVAL; |
| 442 | rc = mdp3_ppp_parse_req(p_req, &req_list_header, 1); |
| 443 | if (!rc) |
| 444 | rc = copy_to_user(p, &req_list_header, sizeof(req_list_header)); |
| 445 | return rc; |
| 446 | } |
| 447 | |
| 448 | static int mdp3_ctrl_blit_req(struct msm_fb_data_type *mfd, void __user *p) |
| 449 | { |
| 450 | struct mdp_async_blit_req_list req_list_header; |
| 451 | int rc, count; |
| 452 | void __user *p_req; |
| 453 | |
| 454 | if (copy_from_user(&(req_list_header.count), p, |
| 455 | sizeof(struct mdp_blit_req_list))) |
| 456 | return -EFAULT; |
| 457 | p_req = p + sizeof(struct mdp_blit_req_list); |
| 458 | count = req_list_header.count; |
Arun kumar | 98917ce | 2018-05-23 15:50:25 +0530 | [diff] [blame] | 459 | if (count < 0 || count > MAX_BLIT_REQ) |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 460 | return -EINVAL; |
| 461 | req_list_header.sync.acq_fen_fd_cnt = 0; |
| 462 | rc = mdp3_ppp_parse_req(p_req, &req_list_header, 0); |
| 463 | return rc; |
| 464 | } |
| 465 | |
| 466 | static ssize_t mdp3_bl_show_event(struct device *dev, |
| 467 | struct device_attribute *attr, char *buf) |
| 468 | { |
| 469 | struct fb_info *fbi = dev_get_drvdata(dev); |
| 470 | struct msm_fb_data_type *mfd = (struct msm_fb_data_type *)fbi->par; |
| 471 | struct mdp3_session_data *mdp3_session = NULL; |
| 472 | int ret; |
| 473 | |
| 474 | if (!mfd || !mfd->mdp.private1) |
| 475 | return -EAGAIN; |
| 476 | |
| 477 | mdp3_session = (struct mdp3_session_data *)mfd->mdp.private1; |
| 478 | ret = scnprintf(buf, PAGE_SIZE, "%d\n", mdp3_session->bl_events); |
| 479 | return ret; |
| 480 | } |
| 481 | |
| 482 | static ssize_t mdp3_hist_show_event(struct device *dev, |
| 483 | struct device_attribute *attr, char *buf) |
| 484 | { |
| 485 | struct fb_info *fbi = dev_get_drvdata(dev); |
| 486 | struct msm_fb_data_type *mfd = (struct msm_fb_data_type *)fbi->par; |
| 487 | struct mdp3_session_data *mdp3_session = NULL; |
| 488 | struct mdp3_dma *dma = NULL; |
| 489 | int ret; |
| 490 | |
| 491 | if (!mfd || !mfd->mdp.private1) |
| 492 | return -EAGAIN; |
| 493 | |
| 494 | mdp3_session = (struct mdp3_session_data *)mfd->mdp.private1; |
| 495 | dma = (struct mdp3_dma *)mdp3_session->dma; |
| 496 | ret = scnprintf(buf, PAGE_SIZE, "%d\n", dma->hist_events); |
| 497 | return ret; |
| 498 | } |
| 499 | |
| 500 | static ssize_t mdp3_vsync_show_event(struct device *dev, |
| 501 | struct device_attribute *attr, char *buf) |
| 502 | { |
| 503 | struct fb_info *fbi = dev_get_drvdata(dev); |
| 504 | struct msm_fb_data_type *mfd = (struct msm_fb_data_type *)fbi->par; |
| 505 | struct mdp3_session_data *mdp3_session = NULL; |
| 506 | u64 vsync_ticks; |
| 507 | int rc; |
| 508 | |
| 509 | if (!mfd || !mfd->mdp.private1) |
| 510 | return -EAGAIN; |
| 511 | |
| 512 | mdp3_session = (struct mdp3_session_data *)mfd->mdp.private1; |
| 513 | |
| 514 | vsync_ticks = ktime_to_ns(mdp3_session->vsync_time); |
| 515 | |
| 516 | pr_debug("fb%d vsync=%llu\n", mfd->index, vsync_ticks); |
| 517 | rc = scnprintf(buf, PAGE_SIZE, "VSYNC=%llu\n", vsync_ticks); |
| 518 | return rc; |
| 519 | } |
| 520 | |
| 521 | static ssize_t mdp3_packpattern_show(struct device *dev, |
| 522 | struct device_attribute *attr, char *buf) |
| 523 | { |
| 524 | struct fb_info *fbi = dev_get_drvdata(dev); |
| 525 | struct msm_fb_data_type *mfd = (struct msm_fb_data_type *)fbi->par; |
| 526 | struct mdp3_session_data *mdp3_session = NULL; |
| 527 | int rc; |
| 528 | u32 pattern = 0; |
| 529 | |
| 530 | if (!mfd || !mfd->mdp.private1) |
| 531 | return -EAGAIN; |
| 532 | |
| 533 | mdp3_session = (struct mdp3_session_data *)mfd->mdp.private1; |
| 534 | |
| 535 | pattern = mdp3_session->dma->output_config.pack_pattern; |
| 536 | |
| 537 | /* If pattern was found to be 0 then get pattern for fb imagetype */ |
| 538 | if (!pattern) |
| 539 | pattern = mdp3_ctrl_get_pack_pattern(mfd->fb_imgType); |
| 540 | |
| 541 | pr_debug("fb%d pack_pattern c= %d.", mfd->index, pattern); |
| 542 | rc = scnprintf(buf, PAGE_SIZE, "packpattern=%d\n", pattern); |
| 543 | return rc; |
| 544 | } |
| 545 | |
| 546 | static ssize_t mdp3_dyn_pu_show(struct device *dev, |
| 547 | struct device_attribute *attr, char *buf) |
| 548 | { |
| 549 | struct fb_info *fbi = dev_get_drvdata(dev); |
| 550 | struct msm_fb_data_type *mfd = fbi->par; |
| 551 | struct mdp3_session_data *mdp3_session = NULL; |
| 552 | int ret, state; |
| 553 | |
| 554 | if (!mfd || !mfd->mdp.private1) |
| 555 | return -EAGAIN; |
| 556 | |
| 557 | mdp3_session = (struct mdp3_session_data *)mfd->mdp.private1; |
| 558 | state = (mdp3_session->dyn_pu_state >= 0) ? |
| 559 | mdp3_session->dyn_pu_state : -1; |
| 560 | ret = scnprintf(buf, PAGE_SIZE, "%d", state); |
| 561 | return ret; |
| 562 | } |
| 563 | |
| 564 | static ssize_t mdp3_dyn_pu_store(struct device *dev, |
| 565 | struct device_attribute *attr, const char *buf, size_t count) |
| 566 | { |
| 567 | struct fb_info *fbi = dev_get_drvdata(dev); |
| 568 | struct msm_fb_data_type *mfd = fbi->par; |
| 569 | struct mdp3_session_data *mdp3_session = NULL; |
| 570 | int ret, dyn_pu; |
| 571 | |
| 572 | if (!mfd || !mfd->mdp.private1) |
| 573 | return -EAGAIN; |
| 574 | |
| 575 | mdp3_session = (struct mdp3_session_data *)mfd->mdp.private1; |
| 576 | ret = kstrtoint(buf, 10, &dyn_pu); |
| 577 | if (ret) { |
| 578 | pr_err("Invalid input for partial update: ret = %d\n", ret); |
| 579 | return ret; |
| 580 | } |
| 581 | |
| 582 | mdp3_session->dyn_pu_state = dyn_pu; |
| 583 | sysfs_notify(&dev->kobj, NULL, "dyn_pu"); |
| 584 | return count; |
| 585 | } |
| 586 | |
| 587 | static DEVICE_ATTR(hist_event, 0444, mdp3_hist_show_event, NULL); |
| 588 | static DEVICE_ATTR(bl_event, 0444, mdp3_bl_show_event, NULL); |
| 589 | static DEVICE_ATTR(vsync_event, 0444, mdp3_vsync_show_event, NULL); |
| 590 | static DEVICE_ATTR(packpattern, 0444, mdp3_packpattern_show, NULL); |
| 591 | static DEVICE_ATTR(dyn_pu, 0664, mdp3_dyn_pu_show, |
| 592 | mdp3_dyn_pu_store); |
| 593 | |
| 594 | static struct attribute *generic_attrs[] = { |
| 595 | &dev_attr_packpattern.attr, |
| 596 | &dev_attr_dyn_pu.attr, |
| 597 | &dev_attr_hist_event.attr, |
| 598 | &dev_attr_bl_event.attr, |
| 599 | NULL, |
| 600 | }; |
| 601 | |
| 602 | static struct attribute *vsync_fs_attrs[] = { |
| 603 | &dev_attr_vsync_event.attr, |
| 604 | NULL, |
| 605 | }; |
| 606 | |
| 607 | static struct attribute_group vsync_fs_attr_group = { |
| 608 | .attrs = vsync_fs_attrs, |
| 609 | }; |
| 610 | |
| 611 | static struct attribute_group generic_attr_group = { |
| 612 | .attrs = generic_attrs, |
| 613 | }; |
| 614 | |
| 615 | static int mdp3_ctrl_clk_enable(struct msm_fb_data_type *mfd, int enable) |
| 616 | { |
| 617 | struct mdp3_session_data *session; |
| 618 | struct mdss_panel_data *panel; |
| 619 | struct dsi_panel_clk_ctrl clk_ctrl; |
| 620 | int rc = 0; |
| 621 | |
| 622 | pr_debug("mdp3_ctrl_clk_enable %d\n", enable); |
| 623 | |
| 624 | session = mfd->mdp.private1; |
| 625 | panel = session->panel; |
| 626 | |
| 627 | if (!panel->event_handler) |
| 628 | return 0; |
| 629 | |
| 630 | if ((enable && session->clk_on == 0) || |
| 631 | (!enable && session->clk_on == 1)) { |
| 632 | clk_ctrl.client = DSI_CLK_REQ_MDP_CLIENT; |
| 633 | clk_ctrl.state = enable; |
| 634 | rc = panel->event_handler(panel, |
| 635 | MDSS_EVENT_PANEL_CLK_CTRL, (void *)&clk_ctrl); |
| 636 | rc |= mdp3_res_update(enable, 1, MDP3_CLIENT_DMA_P); |
| 637 | } else { |
| 638 | pr_debug("enable = %d, clk_on=%d\n", enable, session->clk_on); |
| 639 | } |
| 640 | |
| 641 | session->clk_on = enable; |
| 642 | return rc; |
| 643 | } |
| 644 | |
| 645 | static int mdp3_ctrl_res_req_bus(struct msm_fb_data_type *mfd, int status) |
| 646 | { |
| 647 | int rc = 0; |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 648 | u32 vtotal = 0; |
| 649 | int frame_rate = DEFAULT_FRAME_RATE; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 650 | |
| 651 | if (status) { |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 652 | struct mdss_panel_info *panel_info = mfd->panel_info; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 653 | u64 ab = 0; |
| 654 | u64 ib = 0; |
| 655 | |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 656 | frame_rate = mdss_panel_get_framerate(mfd->panel_info, |
| 657 | FPS_RESOLUTION_HZ); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 658 | mdp3_calc_dma_res(mfd->panel_info, NULL, &ab, &ib, |
| 659 | ppp_bpp(mfd->fb_imgType)); |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 660 | vtotal = panel_info->yres + panel_info->lcdc.v_back_porch + |
| 661 | panel_info->lcdc.v_front_porch + |
| 662 | panel_info->lcdc.v_pulse_width; |
| 663 | ab = panel_info->xres * vtotal * ppp_bpp(mfd->fb_imgType); |
| 664 | ab *= frame_rate; |
| 665 | ib = ab; |
| 666 | |
| 667 | /*DMA not used on SPI interface, remove DMA bus voting*/ |
| 668 | if (mdp3_ctrl_get_intf_type(mfd) == |
| 669 | MDP3_DMA_OUTPUT_SEL_SPI_CMD) |
| 670 | rc = mdp3_bus_scale_set_quota(MDP3_CLIENT_DMA_P, 0, 0); |
| 671 | else |
| 672 | rc = mdp3_bus_scale_set_quota(MDP3_CLIENT_DMA_P, |
| 673 | ab, ib); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 674 | } else { |
| 675 | rc = mdp3_bus_scale_set_quota(MDP3_CLIENT_DMA_P, 0, 0); |
| 676 | } |
| 677 | return rc; |
| 678 | } |
| 679 | |
| 680 | static int mdp3_ctrl_res_req_clk(struct msm_fb_data_type *mfd, int status) |
| 681 | { |
| 682 | int rc = 0; |
| 683 | |
| 684 | if (status) { |
| 685 | u64 mdp_clk_rate = 0; |
| 686 | |
| 687 | mdp3_calc_dma_res(mfd->panel_info, &mdp_clk_rate, |
| 688 | NULL, NULL, 0); |
| 689 | |
| 690 | mdp3_clk_set_rate(MDP3_CLK_MDP_SRC, mdp_clk_rate, |
| 691 | MDP3_CLIENT_DMA_P); |
| 692 | mdp3_clk_set_rate(MDP3_CLK_VSYNC, MDP_VSYNC_CLK_RATE, |
| 693 | MDP3_CLIENT_DMA_P); |
| 694 | |
| 695 | rc = mdp3_res_update(1, 1, MDP3_CLIENT_DMA_P); |
| 696 | if (rc) { |
| 697 | pr_err("mdp3 clk enable fail\n"); |
| 698 | return rc; |
| 699 | } |
| 700 | } else { |
| 701 | rc = mdp3_res_update(0, 1, MDP3_CLIENT_DMA_P); |
| 702 | if (rc) |
| 703 | pr_err("mdp3 clk disable fail\n"); |
| 704 | } |
| 705 | return rc; |
| 706 | } |
| 707 | |
| 708 | static int mdp3_ctrl_get_intf_type(struct msm_fb_data_type *mfd) |
| 709 | { |
| 710 | int type; |
| 711 | |
| 712 | switch (mfd->panel.type) { |
| 713 | case MIPI_VIDEO_PANEL: |
| 714 | type = MDP3_DMA_OUTPUT_SEL_DSI_VIDEO; |
| 715 | break; |
| 716 | case MIPI_CMD_PANEL: |
| 717 | type = MDP3_DMA_OUTPUT_SEL_DSI_CMD; |
| 718 | break; |
| 719 | case LCDC_PANEL: |
| 720 | type = MDP3_DMA_OUTPUT_SEL_LCDC; |
| 721 | break; |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 722 | case SPI_PANEL: |
| 723 | type = MDP3_DMA_OUTPUT_SEL_SPI_CMD; |
| 724 | break; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 725 | default: |
| 726 | type = MDP3_DMA_OUTPUT_SEL_MAX; |
| 727 | } |
| 728 | return type; |
| 729 | } |
| 730 | |
| 731 | int mdp3_ctrl_get_source_format(u32 imgType) |
| 732 | { |
| 733 | int format; |
| 734 | |
| 735 | switch (imgType) { |
| 736 | case MDP_RGB_565: |
| 737 | format = MDP3_DMA_IBUF_FORMAT_RGB565; |
| 738 | break; |
| 739 | case MDP_RGB_888: |
| 740 | format = MDP3_DMA_IBUF_FORMAT_RGB888; |
| 741 | break; |
Arun kumar | cf595c4 | 2018-05-23 16:03:55 +0530 | [diff] [blame] | 742 | case MDP_XRGB_8888: |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 743 | case MDP_ARGB_8888: |
| 744 | case MDP_RGBA_8888: |
Arun kumar | cf595c4 | 2018-05-23 16:03:55 +0530 | [diff] [blame] | 745 | case MDP_BGRA_8888: |
| 746 | case MDP_RGBX_8888: |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 747 | format = MDP3_DMA_IBUF_FORMAT_XRGB8888; |
| 748 | break; |
| 749 | default: |
| 750 | format = MDP3_DMA_IBUF_FORMAT_UNDEFINED; |
| 751 | } |
| 752 | return format; |
| 753 | } |
| 754 | |
| 755 | int mdp3_ctrl_get_pack_pattern(u32 imgType) |
| 756 | { |
| 757 | int packPattern = MDP3_DMA_OUTPUT_PACK_PATTERN_RGB; |
| 758 | |
| 759 | if (imgType == MDP_RGBA_8888 || imgType == MDP_RGB_888) |
| 760 | packPattern = MDP3_DMA_OUTPUT_PACK_PATTERN_BGR; |
| 761 | return packPattern; |
| 762 | } |
| 763 | |
| 764 | static int mdp3_ctrl_intf_init(struct msm_fb_data_type *mfd, |
| 765 | struct mdp3_intf *intf) |
| 766 | { |
| 767 | int rc = 0; |
| 768 | struct mdp3_intf_cfg cfg; |
| 769 | struct mdp3_video_intf_cfg *video = &cfg.video; |
| 770 | struct mdss_panel_info *p = mfd->panel_info; |
| 771 | int h_back_porch = p->lcdc.h_back_porch; |
| 772 | int h_front_porch = p->lcdc.h_front_porch; |
| 773 | int w = p->xres; |
| 774 | int v_back_porch = p->lcdc.v_back_porch; |
| 775 | int v_front_porch = p->lcdc.v_front_porch; |
| 776 | int h = p->yres; |
| 777 | int h_sync_skew = p->lcdc.hsync_skew; |
| 778 | int h_pulse_width = p->lcdc.h_pulse_width; |
| 779 | int v_pulse_width = p->lcdc.v_pulse_width; |
| 780 | int hsync_period = h_front_porch + h_back_porch + w + h_pulse_width; |
| 781 | int vsync_period = v_front_porch + v_back_porch + h + v_pulse_width; |
| 782 | struct mdp3_session_data *mdp3_session; |
| 783 | |
| 784 | mdp3_session = (struct mdp3_session_data *)mfd->mdp.private1; |
| 785 | vsync_period *= hsync_period; |
| 786 | |
| 787 | cfg.type = mdp3_ctrl_get_intf_type(mfd); |
| 788 | if (cfg.type == MDP3_DMA_OUTPUT_SEL_DSI_VIDEO || |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 789 | cfg.type == MDP3_DMA_OUTPUT_SEL_LCDC || |
| 790 | cfg.type == MDP3_DMA_OUTPUT_SEL_SPI_CMD) { |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 791 | video->hsync_period = hsync_period; |
| 792 | video->hsync_pulse_width = h_pulse_width; |
| 793 | video->vsync_period = vsync_period; |
| 794 | video->vsync_pulse_width = v_pulse_width * hsync_period; |
| 795 | video->display_start_x = h_back_porch + h_pulse_width; |
| 796 | video->display_end_x = hsync_period - h_front_porch - 1; |
| 797 | video->display_start_y = |
| 798 | (v_back_porch + v_pulse_width) * hsync_period; |
| 799 | video->display_end_y = |
| 800 | vsync_period - v_front_porch * hsync_period - 1; |
| 801 | video->active_start_x = video->display_start_x; |
| 802 | video->active_end_x = video->display_end_x; |
| 803 | video->active_h_enable = true; |
| 804 | video->active_start_y = video->display_start_y; |
| 805 | video->active_end_y = video->display_end_y; |
| 806 | video->active_v_enable = true; |
| 807 | video->hsync_skew = h_sync_skew; |
| 808 | video->hsync_polarity = 1; |
| 809 | video->vsync_polarity = 1; |
| 810 | video->de_polarity = 1; |
| 811 | video->underflow_color = p->lcdc.underflow_clr; |
| 812 | } else if (cfg.type == MDP3_DMA_OUTPUT_SEL_DSI_CMD) { |
| 813 | cfg.dsi_cmd.primary_dsi_cmd_id = 0; |
| 814 | cfg.dsi_cmd.secondary_dsi_cmd_id = 1; |
| 815 | cfg.dsi_cmd.dsi_cmd_tg_intf_sel = 0; |
| 816 | } else |
| 817 | return -EINVAL; |
| 818 | |
| 819 | if (!(mdp3_session->in_splash_screen)) { |
| 820 | if (intf->config) |
| 821 | rc = intf->config(intf, &cfg); |
| 822 | else |
| 823 | rc = -EINVAL; |
| 824 | } |
| 825 | return rc; |
| 826 | } |
| 827 | |
| 828 | static int mdp3_ctrl_dma_init(struct msm_fb_data_type *mfd, |
| 829 | struct mdp3_dma *dma) |
| 830 | { |
| 831 | int rc; |
| 832 | struct mdss_panel_info *panel_info = mfd->panel_info; |
| 833 | struct fb_info *fbi = mfd->fbi; |
| 834 | struct fb_fix_screeninfo *fix; |
| 835 | struct fb_var_screeninfo *var; |
| 836 | struct mdp3_dma_output_config outputConfig; |
| 837 | struct mdp3_dma_source sourceConfig; |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 838 | int frame_rate = DEFAULT_FRAME_RATE; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 839 | int vbp, vfp, vspw; |
| 840 | int vtotal, vporch; |
| 841 | struct mdp3_notification dma_done_callback; |
| 842 | struct mdp3_tear_check te; |
| 843 | struct mdp3_session_data *mdp3_session; |
| 844 | |
| 845 | mdp3_session = (struct mdp3_session_data *)mfd->mdp.private1; |
| 846 | |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 847 | frame_rate = mdss_panel_get_framerate(panel_info, FPS_RESOLUTION_HZ); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 848 | vbp = panel_info->lcdc.v_back_porch; |
| 849 | vfp = panel_info->lcdc.v_front_porch; |
| 850 | vspw = panel_info->lcdc.v_pulse_width; |
| 851 | vporch = vbp + vfp + vspw; |
| 852 | vtotal = vporch + panel_info->yres; |
| 853 | |
| 854 | fix = &fbi->fix; |
| 855 | var = &fbi->var; |
| 856 | |
| 857 | sourceConfig.width = panel_info->xres; |
| 858 | sourceConfig.height = panel_info->yres; |
| 859 | sourceConfig.x = 0; |
| 860 | sourceConfig.y = 0; |
| 861 | sourceConfig.buf = mfd->iova; |
| 862 | sourceConfig.vporch = vporch; |
| 863 | sourceConfig.vsync_count = |
| 864 | MDP_VSYNC_CLK_RATE / (frame_rate * vtotal); |
| 865 | |
| 866 | outputConfig.dither_en = 0; |
| 867 | outputConfig.out_sel = mdp3_ctrl_get_intf_type(mfd); |
| 868 | outputConfig.bit_mask_polarity = 0; |
| 869 | outputConfig.color_components_flip = 0; |
| 870 | outputConfig.pack_align = MDP3_DMA_OUTPUT_PACK_ALIGN_LSB; |
| 871 | outputConfig.color_comp_out_bits = (MDP3_DMA_OUTPUT_COMP_BITS_8 << 4) | |
| 872 | (MDP3_DMA_OUTPUT_COMP_BITS_8 << 2)| |
| 873 | MDP3_DMA_OUTPUT_COMP_BITS_8; |
| 874 | |
| 875 | if (dma->update_src_cfg) { |
| 876 | /* configuration has been updated through PREPARE call */ |
| 877 | sourceConfig.format = dma->source_config.format; |
| 878 | sourceConfig.stride = dma->source_config.stride; |
| 879 | outputConfig.pack_pattern = dma->output_config.pack_pattern; |
| 880 | } else { |
| 881 | sourceConfig.format = |
| 882 | mdp3_ctrl_get_source_format(mfd->fb_imgType); |
| 883 | outputConfig.pack_pattern = |
| 884 | mdp3_ctrl_get_pack_pattern(mfd->fb_imgType); |
| 885 | sourceConfig.stride = fix->line_length; |
| 886 | } |
| 887 | |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 888 | te.frame_rate = frame_rate; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 889 | te.hw_vsync_mode = panel_info->mipi.hw_vsync_mode; |
| 890 | te.tear_check_en = panel_info->te.tear_check_en; |
| 891 | te.sync_cfg_height = panel_info->te.sync_cfg_height; |
Krishna Manikandan | 8a532a1 | 2018-07-06 15:55:09 +0530 | [diff] [blame] | 892 | |
| 893 | /* For mdp3, max. value of CFG_HEIGHT is 0x7ff, |
| 894 | * for mdp5, max. value of CFG_HEIGHT is 0xffff. |
| 895 | */ |
| 896 | if (te.sync_cfg_height > 0x7ff) |
| 897 | te.sync_cfg_height = 0x7ff; |
| 898 | |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 899 | te.vsync_init_val = panel_info->te.vsync_init_val; |
| 900 | te.sync_threshold_start = panel_info->te.sync_threshold_start; |
| 901 | te.sync_threshold_continue = panel_info->te.sync_threshold_continue; |
| 902 | te.start_pos = panel_info->te.start_pos; |
| 903 | te.rd_ptr_irq = panel_info->te.rd_ptr_irq; |
| 904 | te.refx100 = panel_info->te.refx100; |
| 905 | |
| 906 | if (dma->dma_config) { |
| 907 | if (!panel_info->partial_update_enabled) { |
| 908 | dma->roi.w = sourceConfig.width; |
| 909 | dma->roi.h = sourceConfig.height; |
| 910 | dma->roi.x = sourceConfig.x; |
| 911 | dma->roi.y = sourceConfig.y; |
| 912 | } |
| 913 | rc = dma->dma_config(dma, &sourceConfig, &outputConfig, |
| 914 | mdp3_session->in_splash_screen); |
| 915 | } else { |
| 916 | pr_err("%s: dma config failed\n", __func__); |
| 917 | rc = -EINVAL; |
| 918 | } |
| 919 | |
| 920 | if (outputConfig.out_sel == MDP3_DMA_OUTPUT_SEL_DSI_CMD) { |
| 921 | if (dma->dma_sync_config) |
| 922 | rc = dma->dma_sync_config(dma, |
| 923 | &sourceConfig, &te); |
| 924 | else |
| 925 | rc = -EINVAL; |
| 926 | dma_done_callback.handler = dma_done_notify_handler; |
| 927 | dma_done_callback.arg = mfd->mdp.private1; |
| 928 | dma->dma_done_notifier(dma, &dma_done_callback); |
| 929 | } |
| 930 | |
| 931 | return rc; |
| 932 | } |
| 933 | |
| 934 | static int mdp3_ctrl_on(struct msm_fb_data_type *mfd) |
| 935 | { |
| 936 | int rc = 0; |
| 937 | struct mdp3_session_data *mdp3_session; |
| 938 | struct mdss_panel_data *panel; |
Abhijith Desai | b502b28 | 2018-09-12 14:48:22 +0530 | [diff] [blame] | 939 | u32 framerate = 0; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 940 | |
| 941 | pr_debug("mdp3_ctrl_on\n"); |
| 942 | mdp3_session = (struct mdp3_session_data *)mfd->mdp.private1; |
| 943 | if (!mdp3_session || !mdp3_session->panel || !mdp3_session->dma || |
| 944 | !mdp3_session->intf) { |
| 945 | pr_err("mdp3_ctrl_on no device"); |
| 946 | return -ENODEV; |
| 947 | } |
| 948 | mutex_lock(&mdp3_session->lock); |
| 949 | |
| 950 | MDSS_XLOG(XLOG_FUNC_ENTRY, __LINE__, mfd->panel_power_state); |
| 951 | panel = mdp3_session->panel; |
| 952 | /* make sure DSI host is initialized properly */ |
| 953 | if (panel) { |
| 954 | pr_debug("%s : dsi host init, power state = %d Splash %d\n", |
| 955 | __func__, mfd->panel_power_state, |
| 956 | mdp3_session->in_splash_screen); |
| 957 | if (mdss_fb_is_power_on_lp(mfd) || |
| 958 | mdp3_session->in_splash_screen) { |
| 959 | /* Turn on panel so that it can exit low power mode */ |
| 960 | mdp3_clk_enable(1, 0); |
| 961 | rc = panel->event_handler(panel, |
| 962 | MDSS_EVENT_LINK_READY, NULL); |
| 963 | rc |= panel->event_handler(panel, |
| 964 | MDSS_EVENT_UNBLANK, NULL); |
| 965 | rc |= panel->event_handler(panel, |
| 966 | MDSS_EVENT_PANEL_ON, NULL); |
Animesh Kishore | 96d4f7e | 2018-11-26 17:53:53 +0530 | [diff] [blame] | 967 | if (mdss_fb_is_power_on_lp(mfd)) |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 968 | rc |= mdp3_enable_panic_ctrl(); |
| 969 | mdp3_clk_enable(0, 0); |
| 970 | } |
| 971 | } |
| 972 | |
| 973 | if (mdp3_session->status) { |
| 974 | pr_debug("fb%d is on already\n", mfd->index); |
| 975 | MDSS_XLOG(XLOG_FUNC_EXIT, __LINE__, mfd->panel_power_state); |
| 976 | goto end; |
| 977 | } |
| 978 | |
| 979 | if (mdp3_session->intf->active) { |
| 980 | pr_debug("continuous splash screen, initialized already\n"); |
| 981 | mdp3_session->status = 1; |
| 982 | goto end; |
| 983 | } |
| 984 | |
| 985 | /* |
| 986 | * Get a reference to the runtime pm device. |
| 987 | * If idle pc feature is enabled, it will be released |
| 988 | * at end of this routine else, when device is turned off. |
| 989 | */ |
| 990 | pm_runtime_get_sync(&mdp3_res->pdev->dev); |
| 991 | |
| 992 | /* Increment the overlay active count */ |
| 993 | atomic_inc(&mdp3_res->active_intf_cnt); |
| 994 | mdp3_ctrl_notifier_register(mdp3_session, |
| 995 | &mdp3_session->mfd->mdp_sync_pt_data.notifier); |
| 996 | |
| 997 | /* request bus bandwidth before DSI DMA traffic */ |
| 998 | rc = mdp3_ctrl_res_req_bus(mfd, 1); |
| 999 | if (rc) { |
| 1000 | pr_err("fail to request bus resource\n"); |
| 1001 | goto on_error; |
| 1002 | } |
| 1003 | |
| 1004 | rc = mdp3_dynamic_clock_gating_ctrl(0); |
| 1005 | if (rc) { |
| 1006 | pr_err("fail to disable dynamic clock gating\n"); |
| 1007 | goto on_error; |
| 1008 | } |
| 1009 | mdp3_qos_remapper_setup(panel); |
| 1010 | |
| 1011 | rc = mdp3_ctrl_res_req_clk(mfd, 1); |
| 1012 | if (rc) { |
| 1013 | pr_err("fail to request mdp clk resource\n"); |
| 1014 | goto on_error; |
| 1015 | } |
| 1016 | |
| 1017 | if (panel->event_handler) { |
| 1018 | rc = panel->event_handler(panel, MDSS_EVENT_LINK_READY, NULL); |
| 1019 | rc |= panel->event_handler(panel, MDSS_EVENT_UNBLANK, NULL); |
| 1020 | rc |= panel->event_handler(panel, MDSS_EVENT_PANEL_ON, NULL); |
| 1021 | if (panel->panel_info.type == MIPI_CMD_PANEL) { |
| 1022 | struct dsi_panel_clk_ctrl clk_ctrl; |
| 1023 | |
| 1024 | clk_ctrl.state = MDSS_DSI_CLK_ON; |
| 1025 | clk_ctrl.client = DSI_CLK_REQ_MDP_CLIENT; |
| 1026 | rc |= panel->event_handler(panel, |
| 1027 | MDSS_EVENT_PANEL_CLK_CTRL, |
| 1028 | (void *)&clk_ctrl); |
| 1029 | } |
| 1030 | } |
| 1031 | if (rc) { |
| 1032 | pr_err("fail to turn on the panel\n"); |
| 1033 | goto on_error; |
| 1034 | } |
| 1035 | |
| 1036 | rc = mdp3_ctrl_dma_init(mfd, mdp3_session->dma); |
| 1037 | if (rc) { |
| 1038 | pr_err("dma init failed\n"); |
| 1039 | goto on_error; |
| 1040 | } |
| 1041 | |
| 1042 | rc = mdp3_ppp_init(); |
| 1043 | if (rc) { |
| 1044 | pr_err("ppp init failed\n"); |
| 1045 | goto on_error; |
| 1046 | } |
| 1047 | |
| 1048 | rc = mdp3_ctrl_intf_init(mfd, mdp3_session->intf); |
| 1049 | if (rc) { |
| 1050 | pr_err("display interface init failed\n"); |
| 1051 | goto on_error; |
| 1052 | } |
| 1053 | mdp3_session->clk_on = 1; |
| 1054 | |
| 1055 | mdp3_session->first_commit = true; |
| 1056 | if (mfd->panel_info->panel_dead) |
| 1057 | mdp3_session->esd_recovery = true; |
| 1058 | |
| 1059 | mdp3_session->status = 1; |
| 1060 | |
| 1061 | mdp3_ctrl_pp_resume(mfd); |
Abhijith Desai | b502b28 | 2018-09-12 14:48:22 +0530 | [diff] [blame] | 1062 | |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1063 | on_error: |
| 1064 | if (rc || (mdp3_res->idle_pc_enabled && |
| 1065 | (mfd->panel_info->type == MIPI_CMD_PANEL))) { |
| 1066 | if (rc) { |
| 1067 | pr_err("Failed to turn on fb%d\n", mfd->index); |
| 1068 | atomic_dec(&mdp3_res->active_intf_cnt); |
| 1069 | } |
| 1070 | pm_runtime_put(&mdp3_res->pdev->dev); |
| 1071 | } |
| 1072 | end: |
Abhijith Desai | b502b28 | 2018-09-12 14:48:22 +0530 | [diff] [blame] | 1073 | framerate = mdss_panel_get_framerate(mfd->panel_info, |
| 1074 | FPS_RESOLUTION_HZ); |
| 1075 | if (framerate != 0) |
| 1076 | mdp3_session->dma->vsync_period = DIV_ROUND_UP(1000, framerate); |
| 1077 | |
| 1078 | MDSS_XLOG(XLOG_FUNC_EXIT, __LINE__, mfd->panel_power_state, framerate); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1079 | mutex_unlock(&mdp3_session->lock); |
| 1080 | return rc; |
| 1081 | } |
| 1082 | |
Arun kumar | 162db22 | 2018-05-09 17:28:40 +0530 | [diff] [blame] | 1083 | static bool mdp3_is_twm_en(void) |
| 1084 | { |
| 1085 | return mdp3_res->twm_en; |
| 1086 | } |
| 1087 | |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1088 | static int mdp3_ctrl_off(struct msm_fb_data_type *mfd) |
| 1089 | { |
| 1090 | int rc = 0; |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1091 | int client = 0; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1092 | bool intf_stopped = true; |
| 1093 | struct mdp3_session_data *mdp3_session; |
| 1094 | struct mdss_panel_data *panel; |
Abhijith Desai | b502b28 | 2018-09-12 14:48:22 +0530 | [diff] [blame] | 1095 | u32 framerate = 0; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1096 | |
| 1097 | pr_debug("mdp3_ctrl_off\n"); |
| 1098 | mdp3_session = (struct mdp3_session_data *)mfd->mdp.private1; |
| 1099 | if (!mdp3_session || !mdp3_session->panel || !mdp3_session->dma || |
| 1100 | !mdp3_session->intf) { |
| 1101 | pr_err("mdp3_ctrl_on no device"); |
| 1102 | return -ENODEV; |
| 1103 | } |
| 1104 | |
| 1105 | /* |
| 1106 | * Keep a reference to the runtime pm until the overlay is turned |
| 1107 | * off, and then release this last reference at the end. This will |
| 1108 | * help in distinguishing between idle power collapse versus suspend |
| 1109 | * power collapse |
| 1110 | */ |
| 1111 | pm_runtime_get_sync(&mdp3_res->pdev->dev); |
| 1112 | |
Animesh Kishore | 96d4f7e | 2018-11-26 17:53:53 +0530 | [diff] [blame] | 1113 | MDSS_XLOG(XLOG_FUNC_ENTRY, __LINE__, mdss_fb_is_power_on_lp(mfd), |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1114 | mfd->panel_power_state); |
| 1115 | panel = mdp3_session->panel; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1116 | |
Arun kumar | 04d4a92 | 2018-05-23 16:22:45 +0530 | [diff] [blame] | 1117 | cancel_work_sync(&mdp3_session->clk_off_work); |
Arun kumar | cefb7d1 | 2018-05-23 18:12:25 +0530 | [diff] [blame] | 1118 | mutex_lock(&mdp3_session->lock); |
| 1119 | MDSS_XLOG(0x111); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1120 | pr_debug("Requested power state = %d\n", mfd->panel_power_state); |
| 1121 | if (mdss_fb_is_power_on_lp(mfd)) { |
| 1122 | /* |
| 1123 | * Transition to low power |
| 1124 | * As display updates are expected in low power mode, |
| 1125 | * keep the interface and clocks on. |
| 1126 | */ |
| 1127 | intf_stopped = false; |
| 1128 | } else { |
| 1129 | /* Transition to display off */ |
| 1130 | if (!mdp3_session->status) { |
| 1131 | pr_debug("fb%d is off already", mfd->index); |
| 1132 | goto off_error; |
| 1133 | } |
Arun kumar | 162db22 | 2018-05-09 17:28:40 +0530 | [diff] [blame] | 1134 | if (panel && panel->set_backlight) { |
| 1135 | if (!mdp3_is_twm_en()) |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1136 | panel->set_backlight(panel, 0); |
Arun kumar | 162db22 | 2018-05-09 17:28:40 +0530 | [diff] [blame] | 1137 | } |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1138 | } |
| 1139 | |
| 1140 | /* |
| 1141 | * While transitioning from interactive to low power, |
| 1142 | * events need to be sent to the interface so that the |
| 1143 | * panel can be configured in low power mode |
| 1144 | */ |
Arun kumar | aa11bb2 | 2018-05-09 16:05:42 +0530 | [diff] [blame] | 1145 | if (!mdp3_is_twm_en()) { |
| 1146 | if (panel->event_handler) |
| 1147 | rc = panel->event_handler(panel, MDSS_EVENT_BLANK, |
| 1148 | (void *) (long int)mfd->panel_power_state); |
| 1149 | if (rc) |
| 1150 | pr_err("EVENT_BLANK error (%d)\n", rc); |
| 1151 | } |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1152 | if (intf_stopped) { |
| 1153 | if (!mdp3_session->clk_on) |
| 1154 | mdp3_ctrl_clk_enable(mfd, 1); |
| 1155 | /* PP related programming for ctrl off */ |
| 1156 | mdp3_histogram_stop(mdp3_session, MDP_BLOCK_DMA_P); |
| 1157 | mutex_lock(&mdp3_session->dma->pp_lock); |
| 1158 | mdp3_session->dma->ccs_config.ccs_dirty = false; |
| 1159 | mdp3_session->dma->lut_config.lut_dirty = false; |
| 1160 | mutex_unlock(&mdp3_session->dma->pp_lock); |
| 1161 | |
| 1162 | rc = mdp3_session->dma->stop(mdp3_session->dma, |
| 1163 | mdp3_session->intf); |
| 1164 | if (rc) |
| 1165 | pr_debug("fail to stop the MDP3 dma\n"); |
| 1166 | /* Wait to ensure TG to turn off */ |
| 1167 | msleep(20); |
| 1168 | mfd->panel_info->cont_splash_enabled = 0; |
| 1169 | |
| 1170 | /* Disable Auto refresh once continuous splash disabled */ |
| 1171 | mdp3_autorefresh_disable(mfd->panel_info); |
| 1172 | mdp3_splash_done(mfd->panel_info); |
| 1173 | |
| 1174 | mdp3_irq_deregister(); |
| 1175 | } |
| 1176 | |
Arun kumar | 162db22 | 2018-05-09 17:28:40 +0530 | [diff] [blame] | 1177 | if (panel->event_handler) { |
Arun kumar | ec570b7 | 2018-05-09 20:23:38 +0530 | [diff] [blame] | 1178 | if (mdp3_is_twm_en()) { |
| 1179 | pr_info("TWM active skip panel off, disable disp_en\n"); |
| 1180 | if (gpio_is_valid(panel->panel_en_gpio)) { |
| 1181 | rc = gpio_direction_output( |
| 1182 | panel->panel_en_gpio, 1); |
| 1183 | if (rc) { |
| 1184 | pr_err("%s:set dir for gpio(%d) FAIL\n", |
| 1185 | __func__, panel->panel_en_gpio); |
| 1186 | } else { |
| 1187 | gpio_set_value((panel->panel_en_gpio), 0); |
| 1188 | usleep_range(100, 110); |
| 1189 | pr_debug("%s:set disp_en_gpio_%d Low\n", |
| 1190 | __func__, panel->panel_en_gpio); |
| 1191 | } |
| 1192 | } |
| 1193 | } else { |
Arun kumar | 162db22 | 2018-05-09 17:28:40 +0530 | [diff] [blame] | 1194 | rc = panel->event_handler(panel, MDSS_EVENT_PANEL_OFF, |
| 1195 | (void *) (long int)mfd->panel_power_state); |
Arun kumar | ec570b7 | 2018-05-09 20:23:38 +0530 | [diff] [blame] | 1196 | } |
Arun kumar | 162db22 | 2018-05-09 17:28:40 +0530 | [diff] [blame] | 1197 | } |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1198 | if (rc) |
| 1199 | pr_err("EVENT_PANEL_OFF error (%d)\n", rc); |
| 1200 | |
| 1201 | if (intf_stopped) { |
| 1202 | if (mdp3_session->clk_on) { |
| 1203 | pr_debug("mdp3_ctrl_off stop clock\n"); |
| 1204 | if (panel->event_handler && |
| 1205 | (panel->panel_info.type == MIPI_CMD_PANEL)) { |
| 1206 | struct dsi_panel_clk_ctrl clk_ctrl; |
| 1207 | |
| 1208 | clk_ctrl.state = MDSS_DSI_CLK_OFF; |
| 1209 | clk_ctrl.client = DSI_CLK_REQ_MDP_CLIENT; |
| 1210 | rc |= panel->event_handler(panel, |
| 1211 | MDSS_EVENT_PANEL_CLK_CTRL, |
| 1212 | (void *)&clk_ctrl); |
| 1213 | } |
| 1214 | |
| 1215 | rc = mdp3_dynamic_clock_gating_ctrl(1); |
| 1216 | rc = mdp3_res_update(0, 1, MDP3_CLIENT_DMA_P); |
| 1217 | if (rc) |
| 1218 | pr_err("mdp clock resource release failed\n"); |
| 1219 | } |
| 1220 | |
| 1221 | mdp3_ctrl_notifier_unregister(mdp3_session, |
| 1222 | &mdp3_session->mfd->mdp_sync_pt_data.notifier); |
| 1223 | |
| 1224 | mdp3_session->vsync_enabled = 0; |
| 1225 | atomic_set(&mdp3_session->vsync_countdown, 0); |
| 1226 | atomic_set(&mdp3_session->dma_done_cnt, 0); |
| 1227 | mdp3_session->clk_on = 0; |
| 1228 | mdp3_session->in_splash_screen = 0; |
| 1229 | mdp3_res->solid_fill_vote_en = false; |
| 1230 | mdp3_session->status = 0; |
| 1231 | if (atomic_dec_return(&mdp3_res->active_intf_cnt) != 0) { |
| 1232 | pr_warn("active_intf_cnt unbalanced\n"); |
| 1233 | atomic_set(&mdp3_res->active_intf_cnt, 0); |
| 1234 | } |
| 1235 | /* |
| 1236 | * Release the pm runtime reference held when |
| 1237 | * idle pc feature is not enabled |
| 1238 | */ |
| 1239 | if (!mdp3_res->idle_pc_enabled || |
| 1240 | (mfd->panel_info->type != MIPI_CMD_PANEL)) { |
| 1241 | rc = pm_runtime_put(&mdp3_res->pdev->dev); |
| 1242 | if (rc) |
| 1243 | pr_err("%s: pm_runtime_put failed (rc %d)\n", |
| 1244 | __func__, rc); |
| 1245 | } |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1246 | client = mdp3_get_ion_client(mfd); |
| 1247 | mdp3_bufq_deinit(&mdp3_session->bufq_out, client); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1248 | if (mdp3_session->overlay.id != MSMFB_NEW_REQUEST) { |
| 1249 | mdp3_session->overlay.id = MSMFB_NEW_REQUEST; |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1250 | mdp3_bufq_deinit(&mdp3_session->bufq_in, client); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1251 | } |
| 1252 | } |
| 1253 | |
Animesh Kishore | 96d4f7e | 2018-11-26 17:53:53 +0530 | [diff] [blame] | 1254 | if (mdss_fb_is_power_on_lp(mfd) && |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1255 | (mfd->panel.type == MIPI_CMD_PANEL)) { |
Animesh Kishore | 96d4f7e | 2018-11-26 17:53:53 +0530 | [diff] [blame] | 1256 | pr_debug("%s: Disable MDP3 clocks in LP\n", __func__); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1257 | if (!mdp3_session->clk_on) |
| 1258 | mdp3_ctrl_clk_enable(mfd, 1); |
| 1259 | /* |
| 1260 | * STOP DMA transfer first and signal vsync notification |
| 1261 | * Before releasing the resource in ULP state. |
| 1262 | */ |
| 1263 | rc = mdp3_session->dma->stop(mdp3_session->dma, |
| 1264 | mdp3_session->intf); |
| 1265 | if (rc) |
Animesh Kishore | 96d4f7e | 2018-11-26 17:53:53 +0530 | [diff] [blame] | 1266 | pr_warn("fail to stop the MDP3 dma in LP\n"); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1267 | /* Wait to ensure TG to turn off */ |
| 1268 | msleep(20); |
| 1269 | /* |
| 1270 | * Handle ULP request initiated from fb_pm_suspend. |
| 1271 | * For ULP panel power state disabling vsync and set |
| 1272 | * vsync_count to zero and Turn off MDP3 clocks |
| 1273 | */ |
| 1274 | atomic_set(&mdp3_session->vsync_countdown, 0); |
| 1275 | mdp3_session->vsync_enabled = 0; |
| 1276 | mdp3_ctrl_vsync_enable(mdp3_session->mfd, 0); |
| 1277 | mdp3_ctrl_clk_enable(mdp3_session->mfd, 0); |
| 1278 | } |
| 1279 | off_error: |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1280 | if (mdp3_session->overlay.id != MSMFB_NEW_REQUEST) { |
| 1281 | mdp3_session->overlay.id = MSMFB_NEW_REQUEST; |
| 1282 | mdp3_bufq_deinit(&mdp3_session->bufq_in, client); |
| 1283 | } |
Abhijith Desai | b502b28 | 2018-09-12 14:48:22 +0530 | [diff] [blame] | 1284 | |
| 1285 | framerate = mdss_panel_get_framerate(mfd->panel_info, |
| 1286 | FPS_RESOLUTION_HZ); |
| 1287 | if (framerate != 0) |
| 1288 | mdp3_session->dma->vsync_period = DIV_ROUND_UP(1000, framerate); |
| 1289 | |
| 1290 | MDSS_XLOG(XLOG_FUNC_EXIT, __LINE__, framerate); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1291 | mutex_unlock(&mdp3_session->lock); |
| 1292 | /* Release the last reference to the runtime device */ |
| 1293 | pm_runtime_put(&mdp3_res->pdev->dev); |
| 1294 | |
| 1295 | return 0; |
| 1296 | } |
| 1297 | |
| 1298 | int mdp3_ctrl_reset(struct msm_fb_data_type *mfd) |
| 1299 | { |
| 1300 | int rc = 0; |
| 1301 | struct mdp3_session_data *mdp3_session; |
| 1302 | struct mdp3_dma *mdp3_dma; |
| 1303 | struct mdss_panel_data *panel; |
| 1304 | struct mdp3_notification vsync_client; |
| 1305 | |
| 1306 | pr_debug("mdp3_ctrl_reset\n"); |
| 1307 | mdp3_session = (struct mdp3_session_data *)mfd->mdp.private1; |
| 1308 | if (!mdp3_session || !mdp3_session->panel || !mdp3_session->dma || |
| 1309 | !mdp3_session->intf) { |
| 1310 | pr_err("mdp3_ctrl_reset no device"); |
| 1311 | return -ENODEV; |
| 1312 | } |
| 1313 | |
| 1314 | panel = mdp3_session->panel; |
| 1315 | mdp3_dma = mdp3_session->dma; |
| 1316 | mutex_lock(&mdp3_session->lock); |
| 1317 | pr_debug("mdp3_ctrl_reset idle_pc %s FS_EN %s\n", |
| 1318 | mdp3_res->idle_pc ? "True":"False", |
| 1319 | mdp3_res->fs_ena ? "True":"False"); |
| 1320 | if (mdp3_res->idle_pc) { |
| 1321 | mdp3_clk_enable(1, 0); |
| 1322 | mdp3_dynamic_clock_gating_ctrl(0); |
| 1323 | mdp3_qos_remapper_setup(panel); |
| 1324 | } |
| 1325 | |
| 1326 | /*Map the splash addr for VIDEO mode panel before smmu attach*/ |
| 1327 | if ((mfd->panel.type == MIPI_VIDEO_PANEL) && |
| 1328 | (mdp3_session->in_splash_screen)) { |
| 1329 | rc = mdss_smmu_map(MDSS_IOMMU_DOMAIN_UNSECURE, |
| 1330 | mdp3_res->splash_mem_addr, |
| 1331 | mdp3_res->splash_mem_addr, |
| 1332 | mdp3_res->splash_mem_size, |
| 1333 | IOMMU_READ | IOMMU_NOEXEC); |
| 1334 | } |
| 1335 | |
| 1336 | rc = mdp3_iommu_enable(MDP3_CLIENT_DMA_P); |
| 1337 | if (rc) { |
| 1338 | pr_err("fail to attach dma iommu\n"); |
| 1339 | if (mdp3_res->idle_pc) |
| 1340 | mdp3_clk_enable(0, 0); |
| 1341 | goto reset_error; |
| 1342 | } |
| 1343 | |
| 1344 | vsync_client = mdp3_dma->vsync_client; |
| 1345 | |
| 1346 | mdp3_ctrl_intf_init(mfd, mdp3_session->intf); |
| 1347 | mdp3_ctrl_dma_init(mfd, mdp3_dma); |
| 1348 | mdp3_ppp_init(); |
| 1349 | mdp3_ctrl_pp_resume(mfd); |
| 1350 | if (vsync_client.handler) |
| 1351 | mdp3_dma->vsync_enable(mdp3_dma, &vsync_client); |
| 1352 | |
| 1353 | if (!mdp3_res->idle_pc) { |
| 1354 | mdp3_session->first_commit = true; |
| 1355 | mfd->panel_info->cont_splash_enabled = 0; |
| 1356 | mdp3_session->in_splash_screen = 0; |
| 1357 | mdp3_splash_done(mfd->panel_info); |
| 1358 | /* Disable Auto refresh */ |
| 1359 | mdp3_autorefresh_disable(mfd->panel_info); |
| 1360 | } else { |
| 1361 | mdp3_res->idle_pc = false; |
| 1362 | mdp3_clk_enable(0, 0); |
| 1363 | mdp3_iommu_disable(MDP3_CLIENT_DMA_P); |
| 1364 | } |
| 1365 | |
| 1366 | reset_error: |
| 1367 | mutex_unlock(&mdp3_session->lock); |
| 1368 | return rc; |
| 1369 | } |
| 1370 | |
| 1371 | static int mdp3_overlay_get(struct msm_fb_data_type *mfd, |
| 1372 | struct mdp_overlay *req) |
| 1373 | { |
| 1374 | int rc = 0; |
| 1375 | struct mdp3_session_data *mdp3_session = mfd->mdp.private1; |
| 1376 | |
| 1377 | mutex_lock(&mdp3_session->lock); |
| 1378 | |
| 1379 | if (mdp3_session->overlay.id == req->id) |
| 1380 | *req = mdp3_session->overlay; |
| 1381 | else |
| 1382 | rc = -EINVAL; |
| 1383 | |
| 1384 | mutex_unlock(&mdp3_session->lock); |
| 1385 | |
| 1386 | return rc; |
| 1387 | } |
| 1388 | |
| 1389 | static int mdp3_overlay_set(struct msm_fb_data_type *mfd, |
| 1390 | struct mdp_overlay *req) |
| 1391 | { |
| 1392 | int rc = 0; |
| 1393 | struct mdp3_session_data *mdp3_session = mfd->mdp.private1; |
| 1394 | struct mdp3_dma *dma = mdp3_session->dma; |
| 1395 | struct fb_fix_screeninfo *fix; |
| 1396 | struct fb_info *fbi = mfd->fbi; |
| 1397 | int stride; |
| 1398 | int format; |
| 1399 | |
| 1400 | fix = &fbi->fix; |
| 1401 | stride = req->src.width * ppp_bpp(req->src.format); |
| 1402 | format = mdp3_ctrl_get_source_format(req->src.format); |
| 1403 | |
| 1404 | |
| 1405 | if (mdp3_session->overlay.id != req->id) |
| 1406 | pr_err("overlay was not released, continue to recover\n"); |
| 1407 | /* |
| 1408 | * A change in overlay structure will always come with |
| 1409 | * MSMFB_NEW_REQUEST for MDP3 |
| 1410 | */ |
| 1411 | if (req->id == MSMFB_NEW_REQUEST) { |
| 1412 | mutex_lock(&mdp3_session->lock); |
| 1413 | if (dma->source_config.stride != stride || |
| 1414 | dma->source_config.format != format) { |
| 1415 | dma->source_config.format = format; |
| 1416 | dma->source_config.stride = stride; |
| 1417 | dma->output_config.pack_pattern = |
| 1418 | mdp3_ctrl_get_pack_pattern(req->src.format); |
| 1419 | dma->update_src_cfg = true; |
| 1420 | } |
| 1421 | mdp3_session->overlay = *req; |
| 1422 | mdp3_session->overlay.id = 1; |
| 1423 | req->id = 1; |
| 1424 | mutex_unlock(&mdp3_session->lock); |
| 1425 | } |
| 1426 | |
| 1427 | return rc; |
| 1428 | } |
| 1429 | |
| 1430 | static int mdp3_overlay_unset(struct msm_fb_data_type *mfd, int ndx) |
| 1431 | { |
| 1432 | int rc = 0; |
| 1433 | struct mdp3_session_data *mdp3_session = mfd->mdp.private1; |
| 1434 | struct fb_info *fbi = mfd->fbi; |
| 1435 | struct fb_fix_screeninfo *fix; |
| 1436 | int format; |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1437 | int client; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1438 | |
| 1439 | fix = &fbi->fix; |
| 1440 | format = mdp3_ctrl_get_source_format(mfd->fb_imgType); |
| 1441 | mutex_lock(&mdp3_session->lock); |
| 1442 | |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1443 | client = mdp3_get_ion_client(mfd); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1444 | if (mdp3_session->overlay.id == ndx && ndx == 1) { |
| 1445 | mdp3_session->overlay.id = MSMFB_NEW_REQUEST; |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1446 | mdp3_bufq_deinit(&mdp3_session->bufq_in, client); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1447 | } else { |
| 1448 | rc = -EINVAL; |
| 1449 | } |
| 1450 | |
| 1451 | mutex_unlock(&mdp3_session->lock); |
| 1452 | |
| 1453 | return rc; |
| 1454 | } |
| 1455 | |
| 1456 | static int mdp3_overlay_queue_buffer(struct msm_fb_data_type *mfd, |
| 1457 | struct msmfb_overlay_data *req) |
| 1458 | { |
| 1459 | int rc; |
| 1460 | bool is_panel_type_cmd = false; |
| 1461 | struct mdp3_session_data *mdp3_session = mfd->mdp.private1; |
| 1462 | struct msmfb_data *img = &req->data; |
| 1463 | struct mdp3_img_data data; |
| 1464 | struct mdp3_dma *dma = mdp3_session->dma; |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1465 | int client; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1466 | |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1467 | client = mdp3_get_ion_client(mfd); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1468 | memset(&data, 0, sizeof(struct mdp3_img_data)); |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1469 | if (mfd->panel.type == MIPI_CMD_PANEL || client == MDP3_CLIENT_SPI) |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1470 | is_panel_type_cmd = true; |
| 1471 | if (is_panel_type_cmd) { |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1472 | rc = mdp3_iommu_enable(client); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1473 | if (rc) { |
| 1474 | pr_err("fail to enable iommu\n"); |
| 1475 | return rc; |
| 1476 | } |
| 1477 | } |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1478 | rc = mdp3_get_img(img, &data, client); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1479 | if (rc) { |
| 1480 | pr_err("fail to get overlay buffer\n"); |
| 1481 | goto err; |
| 1482 | } |
| 1483 | |
| 1484 | if (data.len < dma->source_config.stride * dma->source_config.height) { |
| 1485 | pr_err("buf size(0x%lx) is smaller than dma config(0x%x)\n", |
| 1486 | data.len, (dma->source_config.stride * |
| 1487 | dma->source_config.height)); |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1488 | mdp3_put_img(&data, client); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1489 | rc = -EINVAL; |
| 1490 | goto err; |
| 1491 | } |
| 1492 | rc = mdp3_bufq_push(&mdp3_session->bufq_in, &data); |
| 1493 | if (rc) { |
| 1494 | pr_err("fail to queue the overlay buffer, buffer drop\n"); |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1495 | mdp3_put_img(&data, client); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1496 | goto err; |
| 1497 | } |
| 1498 | rc = 0; |
| 1499 | err: |
| 1500 | if (is_panel_type_cmd) |
| 1501 | mdp3_iommu_disable(MDP3_CLIENT_DMA_P); |
| 1502 | return rc; |
| 1503 | } |
| 1504 | |
| 1505 | static int mdp3_overlay_play(struct msm_fb_data_type *mfd, |
| 1506 | struct msmfb_overlay_data *req) |
| 1507 | { |
| 1508 | struct mdp3_session_data *mdp3_session = mfd->mdp.private1; |
| 1509 | int rc = 0; |
| 1510 | |
| 1511 | pr_debug("mdp3_overlay_play req id=%x mem_id=%d\n", |
| 1512 | req->id, req->data.memory_id); |
| 1513 | |
| 1514 | mutex_lock(&mdp3_session->lock); |
| 1515 | |
| 1516 | if (mdp3_session->overlay.id == MSMFB_NEW_REQUEST) { |
| 1517 | pr_err("overlay play without overlay set first\n"); |
| 1518 | mutex_unlock(&mdp3_session->lock); |
| 1519 | return -EINVAL; |
| 1520 | } |
| 1521 | |
| 1522 | if (mdss_fb_is_power_on(mfd)) |
| 1523 | rc = mdp3_overlay_queue_buffer(mfd, req); |
| 1524 | else |
| 1525 | rc = -EPERM; |
| 1526 | |
| 1527 | mutex_unlock(&mdp3_session->lock); |
| 1528 | |
| 1529 | return rc; |
| 1530 | } |
| 1531 | |
| 1532 | bool update_roi(struct mdp3_rect oldROI, struct mdp_rect newROI) |
| 1533 | { |
| 1534 | return ((newROI.x != oldROI.x) || (newROI.y != oldROI.y) || |
| 1535 | (newROI.w != oldROI.w) || (newROI.h != oldROI.h)); |
| 1536 | } |
| 1537 | |
| 1538 | bool is_roi_valid(struct mdp3_dma_source source_config, struct mdp_rect roi) |
| 1539 | { |
| 1540 | return (roi.w > 0) && (roi.h > 0) && |
| 1541 | (roi.x >= source_config.x) && |
| 1542 | ((roi.x + roi.w) <= source_config.width) && |
| 1543 | (roi.y >= source_config.y) && |
| 1544 | ((roi.y + roi.h) <= source_config.height); |
| 1545 | } |
| 1546 | |
| 1547 | static int mdp3_ctrl_display_commit_kickoff(struct msm_fb_data_type *mfd, |
| 1548 | struct mdp_display_commit *cmt_data) |
| 1549 | { |
| 1550 | struct mdp3_session_data *mdp3_session; |
| 1551 | struct mdp3_img_data *data; |
| 1552 | struct mdss_panel_info *panel_info; |
| 1553 | int rc = 0; |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1554 | int client; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1555 | static bool splash_done; |
| 1556 | struct mdss_panel_data *panel; |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1557 | int frame_rate = DEFAULT_FRAME_RATE; |
| 1558 | int stride; |
Abhijith Desai | 49898e7 | 2018-09-11 16:03:34 +0530 | [diff] [blame] | 1559 | int prev_bl; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1560 | |
| 1561 | if (!mfd || !mfd->mdp.private1) |
| 1562 | return -EINVAL; |
| 1563 | |
| 1564 | panel_info = mfd->panel_info; |
| 1565 | mdp3_session = mfd->mdp.private1; |
| 1566 | if (!mdp3_session || !mdp3_session->dma) |
| 1567 | return -EINVAL; |
| 1568 | |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1569 | frame_rate = mdss_panel_get_framerate(panel_info, FPS_RESOLUTION_HZ); |
| 1570 | client = mdp3_get_ion_client(mfd); |
| 1571 | |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1572 | if (mdp3_bufq_count(&mdp3_session->bufq_in) == 0) { |
| 1573 | pr_debug("no buffer in queue yet\n"); |
| 1574 | return -EPERM; |
| 1575 | } |
| 1576 | |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1577 | panel = mdp3_session->panel; |
| 1578 | mutex_lock(&mdp3_res->fs_idle_pc_lock); |
| 1579 | if (mdp3_session->in_splash_screen || |
| 1580 | mdp3_res->idle_pc) { |
| 1581 | pr_debug("%s: reset- in_splash = %d, idle_pc = %d", __func__, |
| 1582 | mdp3_session->in_splash_screen, mdp3_res->idle_pc); |
| 1583 | rc = mdp3_ctrl_reset(mfd); |
| 1584 | if (rc) { |
| 1585 | pr_err("fail to reset display\n"); |
| 1586 | mutex_unlock(&mdp3_res->fs_idle_pc_lock); |
| 1587 | return -EINVAL; |
| 1588 | } |
Abhijith Desai | b7dabd9 | 2018-09-11 17:07:19 +0530 | [diff] [blame] | 1589 | if ((mdp3_session->dma->roi.x || mdp3_session->dma->roi.y) && |
| 1590 | panel_info->partial_update_enabled) |
| 1591 | mdp3_session->dma->update_src_cfg = true; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1592 | } |
| 1593 | mutex_unlock(&mdp3_res->fs_idle_pc_lock); |
| 1594 | |
Arun kumar | cefb7d1 | 2018-05-23 18:12:25 +0530 | [diff] [blame] | 1595 | cancel_work_sync(&mdp3_session->clk_off_work); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1596 | mutex_lock(&mdp3_session->lock); |
| 1597 | |
| 1598 | if (!mdp3_session->status) { |
| 1599 | pr_err("%s, display off!\n", __func__); |
| 1600 | mutex_unlock(&mdp3_session->lock); |
| 1601 | return -EPERM; |
| 1602 | } |
Abhijith Desai | b502b28 | 2018-09-12 14:48:22 +0530 | [diff] [blame] | 1603 | MDSS_XLOG(0x111, mdp3_session->dma->vsync_period); |
| 1604 | |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1605 | mdp3_ctrl_notify(mdp3_session, MDP_NOTIFY_FRAME_BEGIN); |
| 1606 | data = mdp3_bufq_pop(&mdp3_session->bufq_in); |
| 1607 | if (data) { |
| 1608 | mdp3_ctrl_reset_countdown(mdp3_session, mfd); |
| 1609 | mdp3_ctrl_clk_enable(mfd, 1); |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1610 | stride = mdp3_session->dma->source_config.stride; |
| 1611 | if (mdp3_ctrl_get_intf_type(mfd) == |
| 1612 | MDP3_DMA_OUTPUT_SEL_SPI_CMD){ |
| 1613 | mdp3_session->intf->active = false; |
| 1614 | msm_ion_do_cache_op(mdp3_res->ion_client, |
| 1615 | data->srcp_ihdl, (void *)(int)data->addr, |
| 1616 | data->len, ION_IOC_INV_CACHES); |
| 1617 | rc = mdss_spi_panel_kickoff(mdp3_session->panel, |
| 1618 | (void *)(int)data->addr, (int)data->len, |
| 1619 | stride); |
| 1620 | } else if (mdp3_session->dma->update_src_cfg && |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1621 | panel_info->partial_update_enabled) { |
| 1622 | panel->panel_info.roi.x = mdp3_session->dma->roi.x; |
| 1623 | panel->panel_info.roi.y = mdp3_session->dma->roi.y; |
| 1624 | panel->panel_info.roi.w = mdp3_session->dma->roi.w; |
| 1625 | panel->panel_info.roi.h = mdp3_session->dma->roi.h; |
| 1626 | rc = mdp3_session->dma->update(mdp3_session->dma, |
| 1627 | (void *)(int)data->addr, |
| 1628 | mdp3_session->intf, (void *)panel); |
| 1629 | } else { |
| 1630 | rc = mdp3_session->dma->update(mdp3_session->dma, |
| 1631 | (void *)(int)data->addr, |
| 1632 | mdp3_session->intf, NULL); |
| 1633 | } |
| 1634 | /* This is for the previous frame */ |
| 1635 | if (rc < 0) { |
| 1636 | mdp3_ctrl_notify(mdp3_session, |
| 1637 | MDP_NOTIFY_FRAME_TIMEOUT); |
| 1638 | } else { |
| 1639 | if (mdp3_ctrl_get_intf_type(mfd) == |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1640 | MDP3_DMA_OUTPUT_SEL_DSI_VIDEO || |
| 1641 | mdp3_ctrl_get_intf_type(mfd) == |
| 1642 | MDP3_DMA_OUTPUT_SEL_SPI_CMD) { |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1643 | mdp3_ctrl_notify(mdp3_session, |
| 1644 | MDP_NOTIFY_FRAME_DONE); |
| 1645 | } |
| 1646 | } |
| 1647 | mdp3_session->dma_active = 1; |
Arun kumar | 52b7f18 | 2018-05-23 15:12:27 +0530 | [diff] [blame] | 1648 | reinit_completion(&mdp3_session->dma_completion); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1649 | mdp3_ctrl_notify(mdp3_session, MDP_NOTIFY_FRAME_FLUSHED); |
| 1650 | mdp3_bufq_push(&mdp3_session->bufq_out, data); |
| 1651 | } |
| 1652 | |
| 1653 | if (mdp3_bufq_count(&mdp3_session->bufq_out) > 1) { |
| 1654 | mdp3_release_splash_memory(mfd); |
| 1655 | data = mdp3_bufq_pop(&mdp3_session->bufq_out); |
| 1656 | if (data) |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1657 | mdp3_put_img(data, client); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1658 | } |
| 1659 | |
| 1660 | if (mdp3_session->first_commit) { |
| 1661 | /*wait to ensure frame is sent to panel*/ |
| 1662 | if (panel_info->mipi.post_init_delay) |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1663 | msleep(((1000 / frame_rate) + 1) * |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1664 | panel_info->mipi.post_init_delay); |
| 1665 | else |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1666 | msleep((1000 / frame_rate) + 1); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1667 | mdp3_session->first_commit = false; |
| 1668 | if (panel) |
| 1669 | rc |= panel->event_handler(panel, |
| 1670 | MDSS_EVENT_POST_PANEL_ON, NULL); |
| 1671 | } |
| 1672 | |
| 1673 | mdp3_session->vsync_before_commit = 0; |
Abhijith Desai | 49898e7 | 2018-09-11 16:03:34 +0530 | [diff] [blame] | 1674 | prev_bl = mfd->bl_level; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1675 | if (!splash_done || mdp3_session->esd_recovery == true) { |
Abhijith Desai | 49898e7 | 2018-09-11 16:03:34 +0530 | [diff] [blame] | 1676 | if (panel && panel->set_backlight) { |
| 1677 | if (mdp3_session->esd_recovery == true && prev_bl > 0) |
| 1678 | panel->set_backlight(panel, prev_bl); |
| 1679 | else |
| 1680 | panel->set_backlight(panel, |
| 1681 | panel->panel_info.bl_max); |
| 1682 | } |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1683 | splash_done = true; |
| 1684 | mdp3_session->esd_recovery = false; |
| 1685 | } |
| 1686 | |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1687 | /*Update backlight only if its changed*/ |
| 1688 | if (mdp3_res->bklt_level && mdp3_res->bklt_update) { |
| 1689 | mdss_spi_panel_bl_ctrl_update(panel, mdp3_res->bklt_level); |
| 1690 | mdp3_res->bklt_update = false; |
| 1691 | } |
| 1692 | |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1693 | /* start vsync tick countdown for cmd mode if vsync isn't enabled */ |
| 1694 | if (mfd->panel.type == MIPI_CMD_PANEL && !mdp3_session->vsync_enabled) |
| 1695 | mdp3_ctrl_vsync_enable(mdp3_session->mfd, 0); |
| 1696 | |
| 1697 | mutex_unlock(&mdp3_session->lock); |
| 1698 | |
| 1699 | mdss_fb_update_notify_update(mfd); |
| 1700 | |
| 1701 | return 0; |
| 1702 | } |
| 1703 | |
| 1704 | static int mdp3_map_pan_buff_immediate(struct msm_fb_data_type *mfd) |
| 1705 | { |
| 1706 | int rc = 0; |
| 1707 | unsigned long length; |
| 1708 | dma_addr_t addr; |
| 1709 | int domain = mfd->mdp.fb_mem_get_iommu_domain(); |
| 1710 | |
| 1711 | rc = mdss_smmu_map_dma_buf(mfd->fbmem_buf, mfd->fb_table, domain, |
| 1712 | &addr, &length, DMA_BIDIRECTIONAL); |
| 1713 | if (IS_ERR_VALUE(rc)) |
| 1714 | goto err_unmap; |
| 1715 | else |
| 1716 | mfd->iova = addr; |
| 1717 | |
| 1718 | pr_debug("%s : smmu map dma buf VA: (%llx) MFD->iova %llx\n", |
| 1719 | __func__, (u64) addr, (u64) mfd->iova); |
| 1720 | return rc; |
| 1721 | |
| 1722 | err_unmap: |
| 1723 | pr_err("smmu map dma buf failed: (%d)\n", rc); |
| 1724 | dma_buf_unmap_attachment(mfd->fb_attachment, mfd->fb_table, |
| 1725 | mdss_smmu_dma_data_direction(DMA_BIDIRECTIONAL)); |
| 1726 | dma_buf_detach(mfd->fbmem_buf, mfd->fb_attachment); |
| 1727 | dma_buf_put(mfd->fbmem_buf); |
| 1728 | return rc; |
| 1729 | } |
| 1730 | |
| 1731 | static void mdp3_ctrl_pan_display(struct msm_fb_data_type *mfd) |
| 1732 | { |
| 1733 | struct fb_info *fbi; |
| 1734 | struct mdp3_session_data *mdp3_session; |
| 1735 | u32 offset; |
| 1736 | int bpp; |
| 1737 | struct mdss_panel_info *panel_info; |
| 1738 | static bool splash_done; |
| 1739 | struct mdss_panel_data *panel; |
| 1740 | |
| 1741 | int rc; |
| 1742 | |
| 1743 | pr_debug("mdp3_ctrl_pan_display\n"); |
| 1744 | if (!mfd || !mfd->mdp.private1) |
| 1745 | return; |
| 1746 | |
| 1747 | panel_info = mfd->panel_info; |
| 1748 | mdp3_session = (struct mdp3_session_data *)mfd->mdp.private1; |
| 1749 | if (!mdp3_session || !mdp3_session->dma) |
| 1750 | return; |
| 1751 | |
| 1752 | mutex_lock(&mdp3_res->fs_idle_pc_lock); |
| 1753 | if (mdp3_session->in_splash_screen || |
| 1754 | mdp3_res->idle_pc) { |
| 1755 | pr_debug("%s: reset- in_splash = %d, idle_pc = %d", __func__, |
| 1756 | mdp3_session->in_splash_screen, mdp3_res->idle_pc); |
| 1757 | rc = mdp3_ctrl_reset(mfd); |
| 1758 | if (rc) { |
| 1759 | pr_err("fail to reset display\n"); |
| 1760 | mutex_unlock(&mdp3_res->fs_idle_pc_lock); |
| 1761 | return; |
| 1762 | } |
| 1763 | } |
| 1764 | mutex_unlock(&mdp3_res->fs_idle_pc_lock); |
| 1765 | |
| 1766 | mutex_lock(&mdp3_session->lock); |
| 1767 | |
| 1768 | if (!mdp3_session->status) { |
| 1769 | pr_err("mdp3_ctrl_pan_display, display off!\n"); |
| 1770 | goto pan_error; |
| 1771 | } |
| 1772 | |
| 1773 | fbi = mfd->fbi; |
| 1774 | |
| 1775 | bpp = fbi->var.bits_per_pixel / 8; |
| 1776 | offset = fbi->var.xoffset * bpp + |
| 1777 | fbi->var.yoffset * fbi->fix.line_length; |
| 1778 | |
| 1779 | if (offset > fbi->fix.smem_len) { |
| 1780 | pr_err("invalid fb offset=%u total length=%u\n", |
| 1781 | offset, fbi->fix.smem_len); |
| 1782 | goto pan_error; |
| 1783 | } |
| 1784 | |
| 1785 | if (mfd->fbi->screen_base) { |
| 1786 | mdp3_ctrl_reset_countdown(mdp3_session, mfd); |
| 1787 | mdp3_ctrl_notify(mdp3_session, MDP_NOTIFY_FRAME_BEGIN); |
| 1788 | mdp3_ctrl_clk_enable(mfd, 1); |
| 1789 | if (mdp3_session->first_commit) { |
| 1790 | rc = mdp3_map_pan_buff_immediate(mfd); |
| 1791 | if (IS_ERR_VALUE(rc)) |
| 1792 | goto pan_error; |
| 1793 | } |
| 1794 | rc = mdp3_session->dma->update(mdp3_session->dma, |
| 1795 | (void *)(int)(mfd->iova + offset), |
| 1796 | mdp3_session->intf, NULL); |
| 1797 | /* This is for the previous frame */ |
| 1798 | if (rc < 0) { |
| 1799 | mdp3_ctrl_notify(mdp3_session, |
| 1800 | MDP_NOTIFY_FRAME_TIMEOUT); |
| 1801 | } else { |
| 1802 | if (mdp3_ctrl_get_intf_type(mfd) == |
| 1803 | MDP3_DMA_OUTPUT_SEL_DSI_VIDEO) { |
| 1804 | mdp3_ctrl_notify(mdp3_session, |
| 1805 | MDP_NOTIFY_FRAME_DONE); |
| 1806 | } |
| 1807 | } |
| 1808 | mdp3_session->dma_active = 1; |
Arun kumar | 52b7f18 | 2018-05-23 15:12:27 +0530 | [diff] [blame] | 1809 | reinit_completion(&mdp3_session->dma_completion); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1810 | mdp3_ctrl_notify(mdp3_session, MDP_NOTIFY_FRAME_FLUSHED); |
| 1811 | } else { |
| 1812 | pr_debug("mdp3_ctrl_pan_display no memory, stop interface"); |
| 1813 | mdp3_clk_enable(1, 0); |
| 1814 | mdp3_session->dma->stop(mdp3_session->dma, mdp3_session->intf); |
| 1815 | mdp3_clk_enable(0, 0); |
| 1816 | } |
| 1817 | |
| 1818 | panel = mdp3_session->panel; |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1819 | if (mdp3_ctrl_get_intf_type(mfd) != MDP3_DMA_OUTPUT_SEL_SPI_CMD) { |
| 1820 | if (mdp3_session->first_commit) { |
| 1821 | if (panel_info->mipi.init_delay) |
| 1822 | msleep(((1000 / panel_info->mipi.frame_rate) |
| 1823 | + 1) * panel_info->mipi.post_init_delay); |
| 1824 | else |
| 1825 | msleep(1000 / panel_info->mipi.frame_rate); |
| 1826 | mdp3_session->first_commit = false; |
| 1827 | if (panel) |
| 1828 | panel->event_handler(panel, |
| 1829 | MDSS_EVENT_POST_PANEL_ON, NULL); |
| 1830 | } |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1831 | } |
| 1832 | |
| 1833 | mdp3_session->vsync_before_commit = 0; |
| 1834 | if (!splash_done || mdp3_session->esd_recovery == true) { |
| 1835 | if (panel && panel->set_backlight) |
| 1836 | panel->set_backlight(panel, panel->panel_info.bl_max); |
| 1837 | splash_done = true; |
| 1838 | mdp3_session->esd_recovery = false; |
| 1839 | } |
| 1840 | |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1841 | /*Update backlight only if its changed*/ |
| 1842 | if (mdp3_res->bklt_level && mdp3_res->bklt_update) { |
| 1843 | mdss_spi_panel_bl_ctrl_update(panel, mdp3_res->bklt_level); |
| 1844 | mdp3_res->bklt_update = false; |
| 1845 | } |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1846 | |
| 1847 | pan_error: |
| 1848 | mutex_unlock(&mdp3_session->lock); |
| 1849 | } |
| 1850 | |
| 1851 | static int mdp3_set_metadata(struct msm_fb_data_type *mfd, |
| 1852 | struct msmfb_metadata *metadata_ptr) |
| 1853 | { |
| 1854 | int ret = 0; |
| 1855 | |
| 1856 | switch (metadata_ptr->op) { |
| 1857 | case metadata_op_crc: |
| 1858 | ret = mdp3_ctrl_res_req_clk(mfd, 1); |
| 1859 | if (ret) { |
| 1860 | pr_err("failed to turn on mdp clks\n"); |
| 1861 | return ret; |
| 1862 | } |
| 1863 | ret = mdp3_misr_set(&metadata_ptr->data.misr_request); |
| 1864 | ret = mdp3_ctrl_res_req_clk(mfd, 0); |
| 1865 | if (ret) { |
| 1866 | pr_err("failed to release mdp clks\n"); |
| 1867 | return ret; |
| 1868 | } |
| 1869 | break; |
| 1870 | default: |
| 1871 | pr_warn("Unsupported request to MDP SET META IOCTL.\n"); |
| 1872 | ret = -EINVAL; |
| 1873 | break; |
| 1874 | } |
| 1875 | return ret; |
| 1876 | } |
| 1877 | |
| 1878 | static int mdp3_get_metadata(struct msm_fb_data_type *mfd, |
| 1879 | struct msmfb_metadata *metadata) |
| 1880 | { |
| 1881 | int ret = 0; |
| 1882 | |
| 1883 | switch (metadata->op) { |
| 1884 | case metadata_op_frame_rate: |
| 1885 | metadata->data.panel_frame_rate = |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 1886 | mdss_panel_get_framerate(mfd->panel_info, |
| 1887 | FPS_RESOLUTION_HZ); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1888 | break; |
| 1889 | case metadata_op_get_caps: |
| 1890 | metadata->data.caps.mdp_rev = 305; |
| 1891 | metadata->data.caps.rgb_pipes = 0; |
| 1892 | metadata->data.caps.vig_pipes = 0; |
| 1893 | metadata->data.caps.dma_pipes = 1; |
| 1894 | break; |
| 1895 | case metadata_op_crc: |
| 1896 | ret = mdp3_ctrl_res_req_clk(mfd, 1); |
| 1897 | if (ret) { |
| 1898 | pr_err("failed to turn on mdp clks\n"); |
| 1899 | return ret; |
| 1900 | } |
| 1901 | ret = mdp3_misr_get(&metadata->data.misr_request); |
| 1902 | ret = mdp3_ctrl_res_req_clk(mfd, 0); |
| 1903 | if (ret) { |
| 1904 | pr_err("failed to release mdp clks\n"); |
| 1905 | return ret; |
| 1906 | } |
| 1907 | break; |
| 1908 | case metadata_op_get_ion_fd: |
Sachin Bhayare | f493261 | 2018-04-03 20:09:12 +0530 | [diff] [blame] | 1909 | if (mfd->fb_ion_handle && mfd->fb_ion_client) { |
Sachin Bhayare | 5fb6b9b | 2018-04-12 18:57:52 +0530 | [diff] [blame] | 1910 | get_dma_buf(mfd->fbmem_buf); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1911 | metadata->data.fbmem_ionfd = |
Sachin Bhayare | f493261 | 2018-04-03 20:09:12 +0530 | [diff] [blame] | 1912 | ion_share_dma_buf_fd(mfd->fb_ion_client, |
| 1913 | mfd->fb_ion_handle); |
Sachin Bhayare | 5fb6b9b | 2018-04-12 18:57:52 +0530 | [diff] [blame] | 1914 | if (metadata->data.fbmem_ionfd < 0) { |
| 1915 | dma_buf_put(mfd->fbmem_buf); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1916 | pr_err("fd allocation failed. fd = %d\n", |
Sachin Bhayare | 5fb6b9b | 2018-04-12 18:57:52 +0530 | [diff] [blame] | 1917 | metadata->data.fbmem_ionfd); |
| 1918 | } |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1919 | } |
| 1920 | break; |
| 1921 | default: |
| 1922 | pr_warn("Unsupported request to MDP GET META IOCTL.\n"); |
| 1923 | ret = -EINVAL; |
| 1924 | break; |
| 1925 | } |
| 1926 | return ret; |
| 1927 | } |
| 1928 | |
| 1929 | int mdp3_validate_start_req(struct mdp_histogram_start_req *req) |
| 1930 | { |
| 1931 | if (req->frame_cnt >= MDP_HISTOGRAM_FRAME_COUNT_MAX) { |
| 1932 | pr_err("%s invalid req frame_cnt\n", __func__); |
| 1933 | return -EINVAL; |
| 1934 | } |
| 1935 | if (req->bit_mask >= MDP_HISTOGRAM_BIT_MASK_MAX) { |
| 1936 | pr_err("%s invalid req bit mask\n", __func__); |
| 1937 | return -EINVAL; |
| 1938 | } |
| 1939 | if (req->block != MDP_BLOCK_DMA_P || |
| 1940 | req->num_bins != MDP_HISTOGRAM_BIN_NUM) { |
| 1941 | pr_err("mdp3_histogram_start invalid request\n"); |
| 1942 | return -EINVAL; |
| 1943 | } |
| 1944 | return 0; |
| 1945 | } |
| 1946 | |
| 1947 | int mdp3_validate_scale_config(struct mdp_bl_scale_data *data) |
| 1948 | { |
| 1949 | if (data->scale > MDP_HISTOGRAM_BL_SCALE_MAX) { |
| 1950 | pr_err("%s invalid bl_scale\n", __func__); |
| 1951 | return -EINVAL; |
| 1952 | } |
| 1953 | if (data->min_lvl > MDP_HISTOGRAM_BL_LEVEL_MAX) { |
| 1954 | pr_err("%s invalid bl_min_lvl\n", __func__); |
| 1955 | return -EINVAL; |
| 1956 | } |
| 1957 | return 0; |
| 1958 | } |
| 1959 | |
| 1960 | int mdp3_validate_csc_data(struct mdp_csc_cfg_data *data) |
| 1961 | { |
| 1962 | int i; |
| 1963 | bool mv_valid = false; |
| 1964 | |
| 1965 | for (i = 0; i < 9; i++) { |
| 1966 | if (data->csc_data.csc_mv[i] >= |
| 1967 | MDP_HISTOGRAM_CSC_MATRIX_MAX) |
| 1968 | return -EINVAL; |
| 1969 | if ((!mv_valid) && (data->csc_data.csc_mv[i] != 0)) |
| 1970 | mv_valid = true; |
| 1971 | } |
| 1972 | if (!mv_valid) { |
| 1973 | pr_err("%s: black screen data! csc_mv is all 0s\n", __func__); |
| 1974 | return -EINVAL; |
| 1975 | } |
| 1976 | for (i = 0; i < 3; i++) { |
| 1977 | if (data->csc_data.csc_pre_bv[i] >= |
| 1978 | MDP_HISTOGRAM_CSC_VECTOR_MAX) |
| 1979 | return -EINVAL; |
| 1980 | if (data->csc_data.csc_post_bv[i] >= |
| 1981 | MDP_HISTOGRAM_CSC_VECTOR_MAX) |
| 1982 | return -EINVAL; |
| 1983 | } |
| 1984 | for (i = 0; i < 6; i++) { |
| 1985 | if (data->csc_data.csc_pre_lv[i] >= |
| 1986 | MDP_HISTOGRAM_CSC_VECTOR_MAX) |
| 1987 | return -EINVAL; |
| 1988 | if (data->csc_data.csc_post_lv[i] >= |
| 1989 | MDP_HISTOGRAM_CSC_VECTOR_MAX) |
| 1990 | return -EINVAL; |
| 1991 | } |
| 1992 | return 0; |
| 1993 | } |
| 1994 | |
| 1995 | static int mdp3_histogram_start(struct mdp3_session_data *session, |
| 1996 | struct mdp_histogram_start_req *req) |
| 1997 | { |
| 1998 | int ret; |
| 1999 | struct mdp3_dma_histogram_config histo_config; |
| 2000 | |
| 2001 | mutex_lock(&session->lock); |
| 2002 | if (!session->status) { |
| 2003 | mutex_unlock(&session->lock); |
| 2004 | return -EPERM; |
| 2005 | } |
| 2006 | |
| 2007 | pr_debug("mdp3_histogram_start\n"); |
| 2008 | |
| 2009 | ret = mdp3_validate_start_req(req); |
| 2010 | if (ret) { |
| 2011 | mutex_unlock(&session->lock); |
| 2012 | return ret; |
| 2013 | } |
| 2014 | |
| 2015 | if (!session->dma->histo_op || |
| 2016 | !session->dma->config_histo) { |
| 2017 | pr_err("mdp3_histogram_start not supported\n"); |
| 2018 | mutex_unlock(&session->lock); |
| 2019 | return -EINVAL; |
| 2020 | } |
| 2021 | |
| 2022 | mutex_lock(&session->histo_lock); |
| 2023 | |
| 2024 | if (session->histo_status) { |
| 2025 | pr_info("mdp3_histogram_start already started\n"); |
| 2026 | mutex_unlock(&session->histo_lock); |
| 2027 | mutex_unlock(&session->lock); |
| 2028 | return 0; |
| 2029 | } |
| 2030 | |
| 2031 | mdp3_res_update(1, 0, MDP3_CLIENT_DMA_P); |
| 2032 | ret = session->dma->histo_op(session->dma, MDP3_DMA_HISTO_OP_RESET); |
| 2033 | if (ret) { |
| 2034 | pr_err("mdp3_histogram_start reset error\n"); |
| 2035 | goto histogram_start_err; |
| 2036 | } |
| 2037 | |
| 2038 | histo_config.frame_count = req->frame_cnt; |
| 2039 | histo_config.bit_mask = req->bit_mask; |
| 2040 | histo_config.auto_clear_en = 1; |
| 2041 | histo_config.bit_mask_polarity = 0; |
| 2042 | ret = session->dma->config_histo(session->dma, &histo_config); |
| 2043 | if (ret) { |
| 2044 | pr_err("mdp3_histogram_start config error\n"); |
| 2045 | goto histogram_start_err; |
| 2046 | } |
| 2047 | |
| 2048 | ret = session->dma->histo_op(session->dma, MDP3_DMA_HISTO_OP_START); |
| 2049 | if (ret) { |
| 2050 | pr_err("mdp3_histogram_start config error\n"); |
| 2051 | goto histogram_start_err; |
| 2052 | } |
| 2053 | |
| 2054 | session->histo_status = 1; |
| 2055 | |
| 2056 | histogram_start_err: |
| 2057 | mdp3_res_update(0, 0, MDP3_CLIENT_DMA_P); |
| 2058 | mutex_unlock(&session->histo_lock); |
| 2059 | mutex_unlock(&session->lock); |
| 2060 | return ret; |
| 2061 | } |
| 2062 | |
| 2063 | static int mdp3_histogram_stop(struct mdp3_session_data *session, |
| 2064 | u32 block) |
| 2065 | { |
| 2066 | int ret; |
| 2067 | |
| 2068 | pr_debug("mdp3_histogram_stop\n"); |
| 2069 | |
| 2070 | if (!session->dma->histo_op || block != MDP_BLOCK_DMA_P) { |
| 2071 | pr_err("mdp3_histogram_stop not supported\n"); |
| 2072 | return -EINVAL; |
| 2073 | } |
| 2074 | |
| 2075 | mutex_lock(&session->histo_lock); |
| 2076 | |
| 2077 | if (!session->histo_status) { |
| 2078 | pr_debug("mdp3_histogram_stop already stopped!"); |
| 2079 | ret = 0; |
| 2080 | goto histogram_stop_err; |
| 2081 | } |
| 2082 | |
| 2083 | mdp3_clk_enable(1, 0); |
| 2084 | ret = session->dma->histo_op(session->dma, MDP3_DMA_HISTO_OP_CANCEL); |
| 2085 | mdp3_clk_enable(0, 0); |
| 2086 | if (ret) |
| 2087 | pr_err("mdp3_histogram_stop error\n"); |
| 2088 | |
| 2089 | session->histo_status = 0; |
| 2090 | |
| 2091 | histogram_stop_err: |
| 2092 | mutex_unlock(&session->histo_lock); |
| 2093 | return ret; |
| 2094 | } |
| 2095 | |
| 2096 | static int mdp3_histogram_collect(struct mdp3_session_data *session, |
| 2097 | struct mdp_histogram_data *hist) |
| 2098 | { |
| 2099 | int ret; |
| 2100 | struct mdp3_dma_histogram_data *mdp3_histo; |
| 2101 | |
| 2102 | pr_debug("%s\n", __func__); |
| 2103 | if (!session->dma->get_histo) { |
| 2104 | pr_err("mdp3_histogram_collect not supported\n"); |
| 2105 | return -EINVAL; |
| 2106 | } |
| 2107 | |
| 2108 | mutex_lock(&session->histo_lock); |
| 2109 | |
| 2110 | if (!session->histo_status) { |
| 2111 | pr_debug("mdp3_histogram_collect not started\n"); |
| 2112 | mutex_unlock(&session->histo_lock); |
| 2113 | return -EPROTO; |
| 2114 | } |
| 2115 | |
| 2116 | mutex_unlock(&session->histo_lock); |
| 2117 | |
| 2118 | if (!session->clk_on) { |
| 2119 | pr_debug("mdp/dsi clock off currently\n"); |
| 2120 | return -EPERM; |
| 2121 | } |
| 2122 | |
| 2123 | mdp3_clk_enable(1, 0); |
| 2124 | ret = session->dma->get_histo(session->dma); |
| 2125 | mdp3_clk_enable(0, 0); |
| 2126 | if (ret) { |
| 2127 | pr_debug("mdp3_histogram_collect error = %d\n", ret); |
| 2128 | return ret; |
| 2129 | } |
| 2130 | |
| 2131 | mdp3_histo = &session->dma->histo_data; |
| 2132 | |
| 2133 | ret = copy_to_user(hist->c0, mdp3_histo->r_data, |
| 2134 | sizeof(uint32_t) * MDP_HISTOGRAM_BIN_NUM); |
| 2135 | if (ret) |
| 2136 | return ret; |
| 2137 | |
| 2138 | ret = copy_to_user(hist->c1, mdp3_histo->g_data, |
| 2139 | sizeof(uint32_t) * MDP_HISTOGRAM_BIN_NUM); |
| 2140 | if (ret) |
| 2141 | return ret; |
| 2142 | |
| 2143 | ret = copy_to_user(hist->c2, mdp3_histo->b_data, |
| 2144 | sizeof(uint32_t) * MDP_HISTOGRAM_BIN_NUM); |
| 2145 | if (ret) |
| 2146 | return ret; |
| 2147 | |
| 2148 | ret = copy_to_user(hist->extra_info, mdp3_histo->extra, |
| 2149 | sizeof(uint32_t) * 2); |
| 2150 | if (ret) |
| 2151 | return ret; |
| 2152 | |
| 2153 | hist->bin_cnt = MDP_HISTOGRAM_BIN_NUM; |
| 2154 | hist->block = MDP_BLOCK_DMA_P; |
| 2155 | return ret; |
| 2156 | } |
| 2157 | |
| 2158 | static int mdp3_bl_scale_config(struct msm_fb_data_type *mfd, |
| 2159 | struct mdp_bl_scale_data *data) |
| 2160 | { |
| 2161 | int ret = 0; |
| 2162 | int curr_bl; |
| 2163 | |
| 2164 | mutex_lock(&mfd->bl_lock); |
| 2165 | curr_bl = mfd->bl_level; |
| 2166 | mfd->bl_scale = data->scale; |
| 2167 | mfd->bl_min_lvl = data->min_lvl; |
| 2168 | pr_debug("update scale = %d, min_lvl = %d\n", mfd->bl_scale, |
| 2169 | mfd->bl_min_lvl); |
| 2170 | |
| 2171 | /* update current backlight to use new scaling*/ |
| 2172 | mdss_fb_set_backlight(mfd, curr_bl); |
| 2173 | mutex_unlock(&mfd->bl_lock); |
| 2174 | return ret; |
| 2175 | } |
| 2176 | |
| 2177 | static int mdp3_csc_config(struct mdp3_session_data *session, |
| 2178 | struct mdp_csc_cfg_data *data) |
| 2179 | { |
| 2180 | struct mdp3_dma_color_correct_config config; |
| 2181 | struct mdp3_dma_ccs ccs; |
| 2182 | int ret = -EINVAL; |
| 2183 | |
| 2184 | if (!data->csc_data.csc_mv || !data->csc_data.csc_pre_bv || |
| 2185 | !data->csc_data.csc_post_bv || !data->csc_data.csc_pre_lv || |
| 2186 | !data->csc_data.csc_post_lv) { |
| 2187 | pr_err("%s : Invalid csc vectors", __func__); |
| 2188 | return -EINVAL; |
| 2189 | } |
| 2190 | |
| 2191 | mutex_lock(&session->lock); |
| 2192 | mutex_lock(&session->dma->pp_lock); |
| 2193 | session->dma->cc_vect_sel = (session->dma->cc_vect_sel + 1) % 2; |
| 2194 | |
| 2195 | config.ccs_enable = 1; |
| 2196 | config.ccs_sel = session->dma->cc_vect_sel; |
| 2197 | config.pre_limit_sel = session->dma->cc_vect_sel; |
| 2198 | config.post_limit_sel = session->dma->cc_vect_sel; |
| 2199 | config.pre_bias_sel = session->dma->cc_vect_sel; |
| 2200 | config.post_bias_sel = session->dma->cc_vect_sel; |
| 2201 | config.ccs_dirty = true; |
| 2202 | |
| 2203 | ccs.mv = data->csc_data.csc_mv; |
| 2204 | ccs.pre_bv = data->csc_data.csc_pre_bv; |
| 2205 | ccs.post_bv = data->csc_data.csc_post_bv; |
| 2206 | ccs.pre_lv = data->csc_data.csc_pre_lv; |
| 2207 | ccs.post_lv = data->csc_data.csc_post_lv; |
| 2208 | |
| 2209 | /* cache one copy of setting for suspend/resume reconfiguring */ |
| 2210 | session->dma->ccs_cache = *data; |
| 2211 | |
| 2212 | mdp3_clk_enable(1, 0); |
| 2213 | ret = session->dma->config_ccs(session->dma, &config, &ccs); |
| 2214 | mdp3_clk_enable(0, 0); |
| 2215 | mutex_unlock(&session->dma->pp_lock); |
| 2216 | mutex_unlock(&session->lock); |
| 2217 | return ret; |
| 2218 | } |
| 2219 | |
| 2220 | static int mdp3_pp_ioctl(struct msm_fb_data_type *mfd, |
| 2221 | void __user *argp) |
| 2222 | { |
| 2223 | int ret = -EINVAL; |
| 2224 | struct msmfb_mdp_pp mdp_pp; |
| 2225 | struct mdp_lut_cfg_data *lut; |
| 2226 | struct mdp3_session_data *mdp3_session; |
| 2227 | |
| 2228 | if (!mfd || !mfd->mdp.private1) |
| 2229 | return -EINVAL; |
| 2230 | |
| 2231 | mdp3_session = mfd->mdp.private1; |
| 2232 | |
| 2233 | ret = copy_from_user(&mdp_pp, argp, sizeof(mdp_pp)); |
| 2234 | if (ret) |
| 2235 | return ret; |
| 2236 | |
| 2237 | switch (mdp_pp.op) { |
| 2238 | case mdp_bl_scale_cfg: |
| 2239 | ret = mdp3_validate_scale_config(&mdp_pp.data.bl_scale_data); |
| 2240 | if (ret) { |
| 2241 | pr_err("%s: invalid scale config\n", __func__); |
| 2242 | break; |
| 2243 | } |
| 2244 | ret = mdp3_bl_scale_config(mfd, (struct mdp_bl_scale_data *) |
| 2245 | &mdp_pp.data.bl_scale_data); |
| 2246 | break; |
| 2247 | case mdp_op_csc_cfg: |
| 2248 | /* Checking state of dyn_pu before programming CSC block */ |
| 2249 | if (mdp3_session->dyn_pu_state) { |
| 2250 | pr_debug("Partial update feature is enabled.\n"); |
| 2251 | return -EPERM; |
| 2252 | } |
| 2253 | ret = mdp3_validate_csc_data(&(mdp_pp.data.csc_cfg_data)); |
| 2254 | if (ret) { |
| 2255 | pr_err("%s: invalid csc data\n", __func__); |
| 2256 | break; |
| 2257 | } |
| 2258 | ret = mdp3_csc_config(mdp3_session, |
| 2259 | &(mdp_pp.data.csc_cfg_data)); |
| 2260 | break; |
| 2261 | case mdp_op_lut_cfg: |
| 2262 | lut = &mdp_pp.data.lut_cfg_data; |
| 2263 | if (lut->lut_type != mdp_lut_rgb) { |
| 2264 | pr_err("Lut type %d is not supported", lut->lut_type); |
| 2265 | return -EINVAL; |
| 2266 | } |
| 2267 | if (lut->data.rgb_lut_data.flags & MDP_PP_OPS_READ) |
| 2268 | ret = mdp3_ctrl_lut_read(mfd, |
| 2269 | &(lut->data.rgb_lut_data)); |
| 2270 | else |
| 2271 | ret = mdp3_ctrl_lut_config(mfd, |
| 2272 | &(lut->data.rgb_lut_data)); |
| 2273 | if (ret) |
| 2274 | pr_err("RGB LUT ioctl failed\n"); |
| 2275 | else |
| 2276 | ret = copy_to_user(argp, &mdp_pp, sizeof(mdp_pp)); |
| 2277 | break; |
| 2278 | |
| 2279 | default: |
| 2280 | pr_err("Unsupported request to MDP_PP IOCTL.\n"); |
| 2281 | ret = -EINVAL; |
| 2282 | break; |
| 2283 | } |
| 2284 | if (!ret) |
| 2285 | ret = copy_to_user(argp, &mdp_pp, sizeof(struct msmfb_mdp_pp)); |
| 2286 | return ret; |
| 2287 | } |
| 2288 | |
| 2289 | static int mdp3_histo_ioctl(struct msm_fb_data_type *mfd, u32 cmd, |
| 2290 | void __user *argp) |
| 2291 | { |
Arun kumar | 47145e0 | 2018-03-23 22:07:51 +0530 | [diff] [blame] | 2292 | int ret = -ENOTSUPP; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 2293 | struct mdp_histogram_data hist; |
| 2294 | struct mdp_histogram_start_req hist_req; |
| 2295 | u32 block; |
| 2296 | struct mdp3_session_data *mdp3_session; |
| 2297 | |
| 2298 | if (!mfd || !mfd->mdp.private1) |
| 2299 | return -EINVAL; |
| 2300 | |
| 2301 | mdp3_session = mfd->mdp.private1; |
| 2302 | |
| 2303 | switch (cmd) { |
| 2304 | case MSMFB_HISTOGRAM_START: |
| 2305 | ret = copy_from_user(&hist_req, argp, sizeof(hist_req)); |
| 2306 | if (ret) |
| 2307 | return ret; |
| 2308 | |
| 2309 | ret = mdp3_histogram_start(mdp3_session, &hist_req); |
| 2310 | break; |
| 2311 | |
| 2312 | case MSMFB_HISTOGRAM_STOP: |
| 2313 | ret = copy_from_user(&block, argp, sizeof(int)); |
| 2314 | if (ret) |
| 2315 | return ret; |
| 2316 | |
| 2317 | ret = mdp3_histogram_stop(mdp3_session, block); |
| 2318 | break; |
| 2319 | |
| 2320 | case MSMFB_HISTOGRAM: |
| 2321 | ret = copy_from_user(&hist, argp, sizeof(hist)); |
| 2322 | if (ret) |
| 2323 | return ret; |
| 2324 | |
| 2325 | ret = mdp3_histogram_collect(mdp3_session, &hist); |
| 2326 | if (!ret) |
| 2327 | ret = copy_to_user(argp, &hist, sizeof(hist)); |
| 2328 | break; |
| 2329 | default: |
| 2330 | break; |
| 2331 | } |
| 2332 | return ret; |
| 2333 | } |
| 2334 | |
| 2335 | static int mdp3_validate_lut_data(struct fb_cmap *cmap) |
| 2336 | { |
| 2337 | u32 i = 0; |
| 2338 | |
| 2339 | if (!cmap || !cmap->red || !cmap->green || !cmap->blue) { |
| 2340 | pr_err("Invalid arguments!\n"); |
| 2341 | return -EINVAL; |
| 2342 | } |
| 2343 | |
| 2344 | for (i = 0; i < MDP_LUT_SIZE; i++) { |
| 2345 | if (cmap->red[i] > 0xFF || cmap->green[i] > 0xFF || |
| 2346 | cmap->blue[i] > 0xFF) { |
| 2347 | pr_err("LUT value over 255 (limit) at %d index\n", i); |
| 2348 | return -EINVAL; |
| 2349 | } |
| 2350 | } |
| 2351 | |
| 2352 | return 0; |
| 2353 | } |
| 2354 | |
| 2355 | static inline int mdp3_copy_lut_buffer(struct fb_cmap *dst, struct fb_cmap *src) |
| 2356 | { |
| 2357 | if (!dst || !src || !dst->red || !dst->blue || !dst->green || |
| 2358 | !src->red || !src->green || !src->blue) { |
| 2359 | pr_err("Invalid params\n"); |
| 2360 | return -EINVAL; |
| 2361 | } |
| 2362 | |
| 2363 | dst->start = src->start; |
| 2364 | dst->len = src->len; |
| 2365 | |
| 2366 | memcpy(dst->red, src->red, MDP_LUT_SIZE * sizeof(u16)); |
| 2367 | memcpy(dst->green, src->green, MDP_LUT_SIZE * sizeof(u16)); |
| 2368 | memcpy(dst->blue, src->blue, MDP_LUT_SIZE * sizeof(u16)); |
| 2369 | return 0; |
| 2370 | } |
| 2371 | |
| 2372 | static int mdp3_alloc_lut_buffer(struct platform_device *pdev, void **cmap) |
| 2373 | { |
| 2374 | struct fb_cmap *map; |
| 2375 | |
| 2376 | map = devm_kzalloc(&pdev->dev, sizeof(struct fb_cmap), GFP_KERNEL); |
| 2377 | if (map == NULL) |
| 2378 | return -ENOMEM; |
| 2379 | |
| 2380 | memset(map, 0, sizeof(struct fb_cmap)); |
| 2381 | |
| 2382 | map->red = devm_kzalloc(&pdev->dev, MDP_LUT_SIZE * sizeof(u16), |
| 2383 | GFP_KERNEL); |
| 2384 | if (map->red == NULL) |
| 2385 | goto exit_red; |
| 2386 | |
| 2387 | memset(map->red, 0, sizeof(u16) * MDP_LUT_SIZE); |
| 2388 | |
| 2389 | map->green = devm_kzalloc(&pdev->dev, MDP_LUT_SIZE * sizeof(u16), |
| 2390 | GFP_KERNEL); |
| 2391 | if (map->green == NULL) |
| 2392 | goto exit_green; |
| 2393 | |
| 2394 | memset(map->green, 0, sizeof(u16) * MDP_LUT_SIZE); |
| 2395 | |
| 2396 | map->blue = devm_kzalloc(&pdev->dev, MDP_LUT_SIZE * sizeof(u16), |
| 2397 | GFP_KERNEL); |
| 2398 | if (map->blue == NULL) |
| 2399 | goto exit_blue; |
| 2400 | |
| 2401 | memset(map->blue, 0, sizeof(u16) * MDP_LUT_SIZE); |
| 2402 | |
| 2403 | *cmap = map; |
| 2404 | return 0; |
| 2405 | exit_blue: |
| 2406 | devm_kfree(&pdev->dev, map->green); |
| 2407 | exit_green: |
| 2408 | devm_kfree(&pdev->dev, map->red); |
| 2409 | exit_red: |
| 2410 | devm_kfree(&pdev->dev, map); |
| 2411 | return -ENOMEM; |
| 2412 | } |
| 2413 | |
| 2414 | static void mdp3_free_lut_buffer(struct platform_device *pdev, void **cmap) |
| 2415 | { |
| 2416 | struct fb_cmap *map = (struct fb_cmap *)(*cmap); |
| 2417 | |
| 2418 | if (map == NULL) |
| 2419 | return; |
| 2420 | |
| 2421 | devm_kfree(&pdev->dev, map->blue); |
| 2422 | map->blue = NULL; |
| 2423 | devm_kfree(&pdev->dev, map->green); |
| 2424 | map->green = NULL; |
| 2425 | devm_kfree(&pdev->dev, map->red); |
| 2426 | map->red = NULL; |
| 2427 | devm_kfree(&pdev->dev, map); |
| 2428 | map = NULL; |
| 2429 | } |
| 2430 | |
| 2431 | static int mdp3_lut_combine_gain(struct fb_cmap *cmap, struct mdp3_dma *dma) |
| 2432 | { |
| 2433 | int i = 0; |
| 2434 | u32 r = 0, g = 0, b = 0; |
| 2435 | |
| 2436 | if (!cmap || !dma || !dma->gc_cmap || !dma->hist_cmap || |
| 2437 | !dma->gc_cmap->red || !dma->gc_cmap->green || |
| 2438 | !dma->gc_cmap->blue || !dma->hist_cmap->red || |
| 2439 | !dma->hist_cmap->green || !dma->hist_cmap->blue) { |
| 2440 | pr_err("Invalid params\n"); |
| 2441 | return -EINVAL; |
| 2442 | } |
| 2443 | |
| 2444 | for (i = 1; i < MDP_LUT_SIZE; i++) { |
| 2445 | r = MIN(dma->gc_cmap->red[i] * dma->hist_cmap->red[i] * |
| 2446 | mdp_lut_inverse16[i], 0xFF0000); |
| 2447 | g = MIN(dma->gc_cmap->green[i] * dma->hist_cmap->green[i] * |
| 2448 | mdp_lut_inverse16[i], 0xFF0000); |
| 2449 | b = MIN(dma->gc_cmap->blue[i] * dma->hist_cmap->blue[i] * |
| 2450 | mdp_lut_inverse16[i], 0xFF0000); |
| 2451 | |
| 2452 | cmap->red[i] = (r >> 16) & 0xFF; |
| 2453 | cmap->green[i] = (g >> 16) & 0xFF; |
| 2454 | cmap->blue[i] = (b >> 16) & 0xFF; |
| 2455 | } |
| 2456 | return 0; |
| 2457 | } |
| 2458 | |
| 2459 | /* Called from within pp_lock and session lock locked context */ |
| 2460 | static int mdp3_ctrl_lut_update(struct msm_fb_data_type *mfd, |
| 2461 | struct fb_cmap *cmap) |
| 2462 | { |
| 2463 | int rc = 0; |
| 2464 | struct mdp3_session_data *mdp3_session = mfd->mdp.private1; |
| 2465 | struct mdp3_dma *dma; |
| 2466 | struct mdp3_dma_lut_config lut_config; |
| 2467 | |
| 2468 | dma = mdp3_session->dma; |
| 2469 | |
| 2470 | if (!dma->config_lut) { |
| 2471 | pr_err("Config LUT not defined!\n"); |
| 2472 | return -EINVAL; |
| 2473 | } |
| 2474 | |
| 2475 | lut_config.lut_enable = 7; |
| 2476 | lut_config.lut_sel = mdp3_session->lut_sel; |
| 2477 | lut_config.lut_position = 1; |
| 2478 | lut_config.lut_dirty = true; |
| 2479 | |
| 2480 | if (!mdp3_session->status) { |
| 2481 | pr_err("display off!\n"); |
| 2482 | return -EPERM; |
| 2483 | } |
| 2484 | |
| 2485 | mdp3_clk_enable(1, 0); |
| 2486 | rc = dma->config_lut(dma, &lut_config, cmap); |
| 2487 | mdp3_clk_enable(0, 0); |
| 2488 | if (rc) |
| 2489 | pr_err("mdp3_ctrl_lut_update failed\n"); |
| 2490 | |
| 2491 | mdp3_session->lut_sel = (mdp3_session->lut_sel + 1) % 2; |
| 2492 | return rc; |
| 2493 | } |
| 2494 | |
| 2495 | static int mdp3_ctrl_lut_config(struct msm_fb_data_type *mfd, |
| 2496 | struct mdp_rgb_lut_data *cfg) |
| 2497 | { |
| 2498 | int rc = 0; |
| 2499 | bool data_validated = false; |
| 2500 | struct mdp3_session_data *mdp3_session = mfd->mdp.private1; |
| 2501 | struct mdp3_dma *dma; |
| 2502 | struct fb_cmap *cmap; |
| 2503 | |
| 2504 | dma = mdp3_session->dma; |
| 2505 | |
| 2506 | if ((cfg->cmap.start > MDP_LUT_SIZE) || |
| 2507 | (cfg->cmap.len > MDP_LUT_SIZE) || |
| 2508 | (cfg->cmap.start + cfg->cmap.len > MDP_LUT_SIZE)) { |
| 2509 | pr_err("Invalid arguments.\n"); |
| 2510 | return -EINVAL; |
| 2511 | } |
| 2512 | |
| 2513 | rc = mdp3_alloc_lut_buffer(mfd->pdev, (void **) &cmap); |
| 2514 | if (rc) { |
| 2515 | pr_err("No memory\n"); |
| 2516 | return -ENOMEM; |
| 2517 | } |
| 2518 | |
| 2519 | mutex_lock(&mdp3_session->lock); |
| 2520 | mutex_lock(&dma->pp_lock); |
| 2521 | rc = copy_from_user(cmap->red + cfg->cmap.start, |
| 2522 | cfg->cmap.red, sizeof(u16) * cfg->cmap.len); |
| 2523 | rc |= copy_from_user(cmap->green + cfg->cmap.start, |
| 2524 | cfg->cmap.green, sizeof(u16) * cfg->cmap.len); |
| 2525 | rc |= copy_from_user(cmap->blue + cfg->cmap.start, |
| 2526 | cfg->cmap.blue, sizeof(u16) * cfg->cmap.len); |
| 2527 | if (rc) { |
| 2528 | pr_err("Copying user data failed!\n"); |
| 2529 | goto exit_err; |
| 2530 | } |
| 2531 | |
| 2532 | switch (cfg->lut_type) { |
| 2533 | case mdp_rgb_lut_gc: |
| 2534 | if (cfg->flags & MDP_PP_OPS_DISABLE) { |
| 2535 | if (dma->lut_sts & MDP3_LUT_GC_EN) |
| 2536 | /* Free GC cmap cache since disabled */ |
| 2537 | mdp3_free_lut_buffer(mfd->pdev, |
| 2538 | (void **)&dma->gc_cmap); |
| 2539 | dma->lut_sts &= ~MDP3_LUT_GC_EN; |
| 2540 | } else if (!(dma->lut_sts & MDP3_LUT_GC_EN)) { |
| 2541 | /* Check if values sent are valid */ |
| 2542 | rc = mdp3_validate_lut_data(cmap); |
| 2543 | if (rc) { |
| 2544 | pr_err("Invalid GC LUT data\n"); |
| 2545 | goto exit_err; |
| 2546 | } |
| 2547 | data_validated = true; |
| 2548 | |
| 2549 | /* Allocate GC cmap cache to store values */ |
| 2550 | rc = mdp3_alloc_lut_buffer(mfd->pdev, |
| 2551 | (void **)&dma->gc_cmap); |
| 2552 | if (rc) { |
| 2553 | pr_err("GC LUT config failed\n"); |
| 2554 | goto exit_err; |
| 2555 | } |
| 2556 | dma->lut_sts |= MDP3_LUT_GC_EN; |
| 2557 | } |
| 2558 | /* |
| 2559 | * Copy the GC values from userspace to maintain the |
| 2560 | * correct values user intended to program in cache. |
| 2561 | * The values programmed in HW might factor in presence |
| 2562 | * of other LUT modifying features hence can be |
| 2563 | * different from these user given values. |
| 2564 | */ |
| 2565 | if (dma->lut_sts & MDP3_LUT_GC_EN) { |
| 2566 | /* Validate LUT data if not yet validated */ |
| 2567 | if (!data_validated) { |
| 2568 | rc = mdp3_validate_lut_data(cmap); |
| 2569 | if (rc) { |
| 2570 | pr_err("Invalid GC LUT data\n"); |
| 2571 | goto exit_err; |
| 2572 | } |
| 2573 | } |
| 2574 | rc = mdp3_copy_lut_buffer(dma->gc_cmap, cmap); |
| 2575 | if (rc) { |
| 2576 | pr_err("Could not store GC to cache\n"); |
| 2577 | goto exit_err; |
| 2578 | } |
| 2579 | } |
| 2580 | break; |
| 2581 | case mdp_rgb_lut_hist: |
| 2582 | if (cfg->flags & MDP_PP_OPS_DISABLE) { |
| 2583 | if (dma->lut_sts & MDP3_LUT_HIST_EN) |
| 2584 | /* Free HIST cmap cache since disabled */ |
| 2585 | mdp3_free_lut_buffer(mfd->pdev, |
| 2586 | (void **)&dma->hist_cmap); |
| 2587 | dma->lut_sts &= ~MDP3_LUT_HIST_EN; |
| 2588 | } else if (!(dma->lut_sts & MDP3_LUT_HIST_EN)) { |
| 2589 | /* Check if values sent are valid */ |
| 2590 | rc = mdp3_validate_lut_data(cmap); |
| 2591 | if (rc) { |
| 2592 | pr_err("Invalid HIST LUT data\n"); |
| 2593 | goto exit_err; |
| 2594 | } |
| 2595 | data_validated = true; |
| 2596 | |
| 2597 | /* Allocate HIST cmap cache to store values */ |
| 2598 | rc = mdp3_alloc_lut_buffer(mfd->pdev, |
| 2599 | (void **)&dma->hist_cmap); |
| 2600 | if (rc) { |
| 2601 | pr_err("HIST LUT config failed\n"); |
| 2602 | goto exit_err; |
| 2603 | } |
| 2604 | dma->lut_sts |= MDP3_LUT_HIST_EN; |
| 2605 | } |
| 2606 | /* |
| 2607 | * Copy the HIST LUT values from userspace to maintain |
| 2608 | * correct values user intended to program in cache. |
| 2609 | * The values programmed in HW might factor in presence |
| 2610 | * of other LUT modifying features hence can be |
| 2611 | * different from these user given values. |
| 2612 | */ |
| 2613 | if (dma->lut_sts & MDP3_LUT_HIST_EN) { |
| 2614 | /* Validate LUT data if not yet validated */ |
| 2615 | if (!data_validated) { |
| 2616 | rc = mdp3_validate_lut_data(cmap); |
| 2617 | if (rc) { |
| 2618 | pr_err("Invalid H LUT data\n"); |
| 2619 | goto exit_err; |
| 2620 | } |
| 2621 | } |
| 2622 | rc = mdp3_copy_lut_buffer(dma->hist_cmap, cmap); |
| 2623 | if (rc) { |
| 2624 | pr_err("Could not cache Hist LUT\n"); |
| 2625 | goto exit_err; |
| 2626 | } |
| 2627 | } |
| 2628 | break; |
| 2629 | default: |
| 2630 | pr_err("Invalid lut type: %u\n", cfg->lut_type); |
| 2631 | rc = -EINVAL; |
| 2632 | goto exit_err; |
| 2633 | } |
| 2634 | |
| 2635 | /* |
| 2636 | * In case both GC LUT and HIST LUT need to be programmed the gains |
| 2637 | * of each the individual LUTs need to be applied onto a single LUT |
| 2638 | * and applied in HW |
| 2639 | */ |
| 2640 | if ((dma->lut_sts & MDP3_LUT_HIST_EN) && |
| 2641 | (dma->lut_sts & MDP3_LUT_GC_EN)) { |
| 2642 | rc = mdp3_lut_combine_gain(cmap, dma); |
| 2643 | if (rc) { |
| 2644 | pr_err("Combining gains failed rc = %d\n", rc); |
| 2645 | goto exit_err; |
| 2646 | } |
| 2647 | } |
| 2648 | |
| 2649 | rc = mdp3_ctrl_lut_update(mfd, cmap); |
| 2650 | if (rc) |
| 2651 | pr_err("Updating LUT failed! rc = %d\n", rc); |
| 2652 | exit_err: |
| 2653 | mutex_unlock(&dma->pp_lock); |
| 2654 | mutex_unlock(&mdp3_session->lock); |
| 2655 | mdp3_free_lut_buffer(mfd->pdev, (void **) &cmap); |
| 2656 | return rc; |
| 2657 | } |
| 2658 | |
| 2659 | static int mdp3_ctrl_lut_read(struct msm_fb_data_type *mfd, |
| 2660 | struct mdp_rgb_lut_data *cfg) |
| 2661 | { |
| 2662 | int rc = 0; |
| 2663 | struct fb_cmap *cmap; |
| 2664 | struct mdp3_session_data *mdp3_session = mfd->mdp.private1; |
| 2665 | struct mdp3_dma *dma = mdp3_session->dma; |
| 2666 | |
| 2667 | switch (cfg->lut_type) { |
| 2668 | case mdp_rgb_lut_gc: |
| 2669 | if (!dma->gc_cmap) { |
| 2670 | pr_err("GC not programmed\n"); |
| 2671 | return -EPERM; |
| 2672 | } |
| 2673 | cmap = dma->gc_cmap; |
| 2674 | break; |
| 2675 | case mdp_rgb_lut_hist: |
| 2676 | if (!dma->hist_cmap) { |
| 2677 | pr_err("Hist LUT not programmed\n"); |
| 2678 | return -EPERM; |
| 2679 | } |
| 2680 | cmap = dma->hist_cmap; |
| 2681 | break; |
| 2682 | default: |
| 2683 | pr_err("Invalid lut type %u\n", cfg->lut_type); |
| 2684 | return -EINVAL; |
| 2685 | } |
| 2686 | |
| 2687 | cfg->cmap.start = cmap->start; |
| 2688 | cfg->cmap.len = cmap->len; |
| 2689 | |
| 2690 | mutex_lock(&dma->pp_lock); |
| 2691 | rc = copy_to_user(cfg->cmap.red, cmap->red, sizeof(u16) * |
| 2692 | MDP_LUT_SIZE); |
| 2693 | rc |= copy_to_user(cfg->cmap.green, cmap->green, sizeof(u16) * |
| 2694 | MDP_LUT_SIZE); |
| 2695 | rc |= copy_to_user(cfg->cmap.blue, cmap->blue, sizeof(u16) * |
| 2696 | MDP_LUT_SIZE); |
| 2697 | mutex_unlock(&dma->pp_lock); |
| 2698 | return rc; |
| 2699 | } |
| 2700 | |
| 2701 | /* Invoked from ctrl_on with session lock locked context */ |
| 2702 | static void mdp3_ctrl_pp_resume(struct msm_fb_data_type *mfd) |
| 2703 | { |
| 2704 | struct mdp3_session_data *mdp3_session; |
| 2705 | struct mdp3_dma *dma; |
| 2706 | struct fb_cmap *cmap; |
| 2707 | int rc = 0; |
| 2708 | |
| 2709 | mdp3_session = mfd->mdp.private1; |
| 2710 | dma = mdp3_session->dma; |
| 2711 | |
| 2712 | mutex_lock(&dma->pp_lock); |
| 2713 | /* |
| 2714 | * if dma->ccs_config.ccs_enable is set then DMA PP block was enabled |
| 2715 | * via user space IOCTL. |
| 2716 | * Then set dma->ccs_config.ccs_dirty flag |
| 2717 | * Then PP block will be reconfigured when next kickoff comes. |
| 2718 | */ |
| 2719 | if (dma->ccs_config.ccs_enable) |
| 2720 | dma->ccs_config.ccs_dirty = true; |
| 2721 | |
| 2722 | /* |
| 2723 | * If gamma correction was enabled then we program the LUT registers |
| 2724 | * with the last configuration data before suspend. If gamma correction |
| 2725 | * is not enabled then we do not program anything. The LUT from |
| 2726 | * histogram processing algorithms will program hardware based on new |
| 2727 | * frame data if they are enabled. |
| 2728 | */ |
| 2729 | if (dma->lut_sts & MDP3_LUT_GC_EN) { |
| 2730 | |
| 2731 | rc = mdp3_alloc_lut_buffer(mfd->pdev, (void **)&cmap); |
| 2732 | if (rc) { |
| 2733 | pr_err("No memory for GC LUT, rc = %d\n", rc); |
| 2734 | goto exit_err; |
| 2735 | } |
| 2736 | |
| 2737 | if (dma->lut_sts & MDP3_LUT_HIST_EN) { |
| 2738 | rc = mdp3_lut_combine_gain(cmap, dma); |
| 2739 | if (rc) { |
| 2740 | pr_err("Combining the gain failed rc=%d\n", rc); |
| 2741 | goto exit_err; |
| 2742 | } |
| 2743 | } else { |
| 2744 | rc = mdp3_copy_lut_buffer(cmap, dma->gc_cmap); |
| 2745 | if (rc) { |
| 2746 | pr_err("Updating GC failed rc = %d\n", rc); |
| 2747 | goto exit_err; |
| 2748 | } |
| 2749 | } |
| 2750 | |
| 2751 | rc = mdp3_ctrl_lut_update(mfd, cmap); |
| 2752 | if (rc) |
| 2753 | pr_err("GC Lut update failed rc=%d\n", rc); |
| 2754 | exit_err: |
| 2755 | mdp3_free_lut_buffer(mfd->pdev, (void **)&cmap); |
| 2756 | } |
| 2757 | |
| 2758 | mutex_unlock(&dma->pp_lock); |
| 2759 | } |
| 2760 | |
| 2761 | static int mdp3_overlay_prepare(struct msm_fb_data_type *mfd, |
| 2762 | struct mdp_overlay_list __user *user_ovlist) |
| 2763 | { |
| 2764 | struct mdp_overlay_list ovlist; |
| 2765 | struct mdp3_session_data *mdp3_session = mfd->mdp.private1; |
| 2766 | struct mdp_overlay *req_list; |
| 2767 | struct mdp_overlay *req; |
| 2768 | int rc; |
| 2769 | |
| 2770 | if (!mdp3_session) |
| 2771 | return -ENODEV; |
| 2772 | |
| 2773 | req = &mdp3_session->req_overlay; |
| 2774 | |
| 2775 | if (copy_from_user(&ovlist, user_ovlist, sizeof(ovlist))) |
| 2776 | return -EFAULT; |
| 2777 | |
| 2778 | if (ovlist.num_overlays != 1) { |
| 2779 | pr_err("OV_PREPARE failed: only 1 overlay allowed\n"); |
| 2780 | return -EINVAL; |
| 2781 | } |
| 2782 | |
| 2783 | if (copy_from_user(&req_list, ovlist.overlay_list, |
| 2784 | sizeof(struct mdp_overlay *))) |
| 2785 | return -EFAULT; |
| 2786 | |
| 2787 | if (copy_from_user(req, req_list, sizeof(*req))) |
| 2788 | return -EFAULT; |
| 2789 | |
| 2790 | rc = mdp3_overlay_set(mfd, req); |
| 2791 | if (!IS_ERR_VALUE(rc)) { |
| 2792 | if (copy_to_user(req_list, req, sizeof(*req))) |
| 2793 | return -EFAULT; |
| 2794 | } |
| 2795 | |
| 2796 | if (put_user(IS_ERR_VALUE(rc) ? 0 : 1, |
| 2797 | &user_ovlist->processed_overlays)) |
| 2798 | return -EFAULT; |
| 2799 | |
| 2800 | return rc; |
| 2801 | } |
| 2802 | |
| 2803 | static int mdp3_ctrl_ioctl_handler(struct msm_fb_data_type *mfd, |
| 2804 | u32 cmd, void __user *argp) |
| 2805 | { |
| 2806 | int rc = -EINVAL; |
| 2807 | struct mdp3_session_data *mdp3_session; |
| 2808 | struct msmfb_metadata metadata; |
| 2809 | struct mdp_overlay *req = NULL; |
| 2810 | struct msmfb_overlay_data ov_data; |
| 2811 | int val; |
| 2812 | |
| 2813 | mdp3_session = (struct mdp3_session_data *)mfd->mdp.private1; |
| 2814 | if (!mdp3_session) |
| 2815 | return -ENODEV; |
| 2816 | |
| 2817 | req = &mdp3_session->req_overlay; |
| 2818 | |
| 2819 | if (!mdp3_session->status && cmd != MSMFB_METADATA_GET && |
| 2820 | cmd != MSMFB_HISTOGRAM_STOP && cmd != MSMFB_HISTOGRAM) { |
| 2821 | pr_err("mdp3_ctrl_ioctl_handler, display off!\n"); |
| 2822 | return -EPERM; |
| 2823 | } |
| 2824 | |
| 2825 | switch (cmd) { |
| 2826 | case MSMFB_MDP_PP: |
| 2827 | rc = mdp3_pp_ioctl(mfd, argp); |
| 2828 | break; |
| 2829 | case MSMFB_HISTOGRAM_START: |
| 2830 | case MSMFB_HISTOGRAM_STOP: |
| 2831 | case MSMFB_HISTOGRAM: |
| 2832 | rc = mdp3_histo_ioctl(mfd, cmd, argp); |
| 2833 | break; |
| 2834 | |
| 2835 | case MSMFB_VSYNC_CTRL: |
| 2836 | case MSMFB_OVERLAY_VSYNC_CTRL: |
| 2837 | if (!copy_from_user(&val, argp, sizeof(val))) { |
| 2838 | mutex_lock(&mdp3_session->lock); |
| 2839 | mdp3_session->vsync_enabled = val; |
| 2840 | rc = mdp3_ctrl_vsync_enable(mfd, val); |
| 2841 | mutex_unlock(&mdp3_session->lock); |
| 2842 | } else { |
| 2843 | pr_err("MSMFB_OVERLAY_VSYNC_CTRL failed\n"); |
| 2844 | rc = -EFAULT; |
| 2845 | } |
| 2846 | break; |
| 2847 | case MSMFB_ASYNC_BLIT: |
| 2848 | mutex_lock(&mdp3_res->fs_idle_pc_lock); |
| 2849 | if (mdp3_session->in_splash_screen || mdp3_res->idle_pc) { |
| 2850 | pr_debug("%s: reset- in_splash = %d, idle_pc = %d", |
| 2851 | __func__, mdp3_session->in_splash_screen, |
| 2852 | mdp3_res->idle_pc); |
| 2853 | mdp3_ctrl_reset(mfd); |
| 2854 | } |
| 2855 | mutex_unlock(&mdp3_res->fs_idle_pc_lock); |
| 2856 | rc = mdp3_ctrl_async_blit_req(mfd, argp); |
Arun kumar | 04d4a92 | 2018-05-23 16:22:45 +0530 | [diff] [blame] | 2857 | if (!rc) |
| 2858 | cancel_work_sync(&mdp3_session->clk_off_work); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 2859 | break; |
| 2860 | case MSMFB_BLIT: |
| 2861 | mutex_lock(&mdp3_res->fs_idle_pc_lock); |
| 2862 | if (mdp3_session->in_splash_screen) |
| 2863 | mdp3_ctrl_reset(mfd); |
| 2864 | mutex_unlock(&mdp3_res->fs_idle_pc_lock); |
| 2865 | rc = mdp3_ctrl_blit_req(mfd, argp); |
Arun kumar | 04d4a92 | 2018-05-23 16:22:45 +0530 | [diff] [blame] | 2866 | if (!rc) |
| 2867 | cancel_work_sync(&mdp3_session->clk_off_work); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 2868 | break; |
| 2869 | case MSMFB_METADATA_GET: |
| 2870 | rc = copy_from_user(&metadata, argp, sizeof(metadata)); |
| 2871 | if (!rc) |
| 2872 | rc = mdp3_get_metadata(mfd, &metadata); |
| 2873 | if (!rc) |
| 2874 | rc = copy_to_user(argp, &metadata, sizeof(metadata)); |
| 2875 | if (rc) |
| 2876 | pr_err("mdp3_get_metadata failed (%d)\n", rc); |
| 2877 | break; |
| 2878 | case MSMFB_METADATA_SET: |
| 2879 | rc = copy_from_user(&metadata, argp, sizeof(metadata)); |
| 2880 | if (!rc) |
| 2881 | rc = mdp3_set_metadata(mfd, &metadata); |
| 2882 | if (rc) |
| 2883 | pr_err("mdp3_set_metadata failed (%d)\n", rc); |
| 2884 | break; |
| 2885 | case MSMFB_OVERLAY_GET: |
| 2886 | rc = copy_from_user(req, argp, sizeof(*req)); |
| 2887 | if (!rc) { |
| 2888 | rc = mdp3_overlay_get(mfd, req); |
| 2889 | |
| 2890 | if (!IS_ERR_VALUE(rc)) |
| 2891 | rc = copy_to_user(argp, req, sizeof(*req)); |
| 2892 | } |
| 2893 | if (rc) |
| 2894 | pr_err("OVERLAY_GET failed (%d)\n", rc); |
| 2895 | break; |
| 2896 | case MSMFB_OVERLAY_SET: |
| 2897 | rc = copy_from_user(req, argp, sizeof(*req)); |
| 2898 | if (!rc) { |
| 2899 | rc = mdp3_overlay_set(mfd, req); |
| 2900 | |
| 2901 | if (!IS_ERR_VALUE(rc)) |
| 2902 | rc = copy_to_user(argp, req, sizeof(*req)); |
| 2903 | } |
| 2904 | if (rc) |
| 2905 | pr_err("OVERLAY_SET failed (%d)\n", rc); |
| 2906 | break; |
| 2907 | case MSMFB_OVERLAY_UNSET: |
| 2908 | if (!IS_ERR_VALUE(copy_from_user(&val, argp, sizeof(val)))) |
| 2909 | rc = mdp3_overlay_unset(mfd, val); |
| 2910 | break; |
| 2911 | case MSMFB_OVERLAY_PLAY: |
| 2912 | rc = copy_from_user(&ov_data, argp, sizeof(ov_data)); |
| 2913 | mutex_lock(&mdp3_res->fs_idle_pc_lock); |
| 2914 | if (mdp3_session->in_splash_screen) |
| 2915 | mdp3_ctrl_reset(mfd); |
| 2916 | mutex_unlock(&mdp3_res->fs_idle_pc_lock); |
| 2917 | if (!rc) |
| 2918 | rc = mdp3_overlay_play(mfd, &ov_data); |
| 2919 | if (rc) |
| 2920 | pr_err("OVERLAY_PLAY failed (%d)\n", rc); |
| 2921 | break; |
| 2922 | case MSMFB_OVERLAY_PREPARE: |
| 2923 | rc = mdp3_overlay_prepare(mfd, argp); |
| 2924 | break; |
| 2925 | default: |
| 2926 | break; |
| 2927 | } |
| 2928 | return rc; |
| 2929 | } |
| 2930 | |
| 2931 | int mdp3_wait_for_dma_done(struct mdp3_session_data *session) |
| 2932 | { |
| 2933 | int rc = 0; |
| 2934 | |
| 2935 | if (session->dma_active) { |
| 2936 | rc = wait_for_completion_timeout(&session->dma_completion, |
Abhijith Desai | b502b28 | 2018-09-12 14:48:22 +0530 | [diff] [blame] | 2937 | dma_timeout_value(session->dma)); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 2938 | if (rc > 0) { |
| 2939 | session->dma_active = 0; |
| 2940 | rc = 0; |
| 2941 | } else if (rc == 0) { |
| 2942 | rc = -ETIME; |
| 2943 | } |
| 2944 | } |
| 2945 | return rc; |
| 2946 | } |
| 2947 | |
| 2948 | static int mdp3_update_panel_info(struct msm_fb_data_type *mfd, int mode, |
| 2949 | int dest_ctrl) |
| 2950 | { |
| 2951 | int ret = 0; |
| 2952 | struct mdp3_session_data *mdp3_session; |
| 2953 | struct mdss_panel_data *panel; |
| 2954 | u32 intf_type = 0; |
| 2955 | |
| 2956 | if (!mfd || !mfd->mdp.private1) |
| 2957 | return -EINVAL; |
| 2958 | |
| 2959 | mdp3_session = mfd->mdp.private1; |
| 2960 | panel = mdp3_session->panel; |
| 2961 | |
| 2962 | if (!panel->event_handler) |
| 2963 | return 0; |
| 2964 | ret = panel->event_handler(panel, MDSS_EVENT_DSI_UPDATE_PANEL_DATA, |
| 2965 | (void *)(unsigned long)mode); |
| 2966 | if (ret) |
| 2967 | pr_err("Dynamic switch to %s mode failed!\n", |
| 2968 | mode ? "command" : "video"); |
| 2969 | if (mode == 1) |
| 2970 | mfd->panel.type = MIPI_CMD_PANEL; |
| 2971 | else |
| 2972 | mfd->panel.type = MIPI_VIDEO_PANEL; |
| 2973 | |
| 2974 | if (mfd->panel.type != MIPI_VIDEO_PANEL) |
| 2975 | mdp3_session->wait_for_dma_done = mdp3_wait_for_dma_done; |
| 2976 | |
| 2977 | intf_type = mdp3_ctrl_get_intf_type(mfd); |
| 2978 | mdp3_session->intf->cfg.type = intf_type; |
| 2979 | mdp3_session->intf->available = 1; |
| 2980 | mdp3_session->intf->in_use = 1; |
| 2981 | mdp3_res->intf[intf_type].in_use = 1; |
| 2982 | |
| 2983 | mdp3_intf_init(mdp3_session->intf); |
| 2984 | |
| 2985 | mdp3_session->dma->output_config.out_sel = intf_type; |
| 2986 | mdp3_session->status = mdp3_session->intf->active; |
| 2987 | |
| 2988 | return 0; |
| 2989 | } |
| 2990 | |
| 2991 | static int mdp3_vsync_retire_setup(struct msm_fb_data_type *mfd) |
| 2992 | { |
| 2993 | struct mdp3_session_data *mdp3_session; |
| 2994 | struct mdp3_notification retire_client; |
| 2995 | char name[24]; |
| 2996 | |
| 2997 | mdp3_session = (struct mdp3_session_data *)mfd->mdp.private1; |
| 2998 | |
| 2999 | snprintf(name, sizeof(name), "mdss_fb%d_retire", mfd->index); |
Arun kumar | 47145e0 | 2018-03-23 22:07:51 +0530 | [diff] [blame] | 3000 | mfd->mdp_sync_pt_data.timeline_retire = mdss_create_timeline(name); |
| 3001 | if (mfd->mdp_sync_pt_data.timeline_retire == NULL) { |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 3002 | pr_err("cannot vsync create time line"); |
| 3003 | return -ENOMEM; |
| 3004 | } |
| 3005 | |
Vijay Navnath Kamble | 7f08222 | 2018-09-10 12:40:01 +0530 | [diff] [blame] | 3006 | if (mfd->panel_info->type == MIPI_CMD_PANEL) { |
| 3007 | /* Add retire vsync handler */ |
| 3008 | retire_client.handler = mdp3_vsync_retire_handle_vsync; |
| 3009 | retire_client.arg = mdp3_session; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 3010 | |
Vijay Navnath Kamble | 7f08222 | 2018-09-10 12:40:01 +0530 | [diff] [blame] | 3011 | if (mdp3_session->dma) |
| 3012 | mdp3_session->dma->retire_client = retire_client; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 3013 | |
Vijay Navnath Kamble | 7f08222 | 2018-09-10 12:40:01 +0530 | [diff] [blame] | 3014 | INIT_WORK(&mdp3_session->retire_work, |
| 3015 | mdp3_vsync_retire_work_handler); |
| 3016 | } |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 3017 | |
| 3018 | return 0; |
| 3019 | } |
| 3020 | |
| 3021 | int mdp3_ctrl_init(struct msm_fb_data_type *mfd) |
| 3022 | { |
| 3023 | struct device *dev = mfd->fbi->dev; |
| 3024 | struct msm_mdp_interface *mdp3_interface = &mfd->mdp; |
| 3025 | struct mdp3_session_data *mdp3_session = NULL; |
| 3026 | u32 intf_type = MDP3_DMA_OUTPUT_SEL_DSI_VIDEO; |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 3027 | int frame_rate = DEFAULT_FRAME_RATE; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 3028 | int rc; |
| 3029 | int splash_mismatch = 0; |
| 3030 | struct sched_param sched = { .sched_priority = 16 }; |
| 3031 | |
| 3032 | pr_info("mdp3_ctrl_init\n"); |
| 3033 | rc = mdp3_parse_dt_splash(mfd); |
| 3034 | if (rc) |
| 3035 | splash_mismatch = 1; |
| 3036 | |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 3037 | frame_rate = mdss_panel_get_framerate(mfd->panel_info, |
| 3038 | FPS_RESOLUTION_HZ); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 3039 | mdp3_interface->on_fnc = mdp3_ctrl_on; |
| 3040 | mdp3_interface->off_fnc = mdp3_ctrl_off; |
| 3041 | mdp3_interface->do_histogram = NULL; |
| 3042 | mdp3_interface->cursor_update = NULL; |
| 3043 | mdp3_interface->dma_fnc = mdp3_ctrl_pan_display; |
| 3044 | mdp3_interface->ioctl_handler = mdp3_ctrl_ioctl_handler; |
| 3045 | mdp3_interface->kickoff_fnc = mdp3_ctrl_display_commit_kickoff; |
| 3046 | mdp3_interface->pre_commit = mdp3_layer_pre_commit; |
| 3047 | mdp3_interface->atomic_validate = mdp3_layer_atomic_validate; |
| 3048 | mdp3_interface->lut_update = NULL; |
| 3049 | mdp3_interface->configure_panel = mdp3_update_panel_info; |
| 3050 | mdp3_interface->input_event_handler = NULL; |
Animesh Kishore | 8b42bd9 | 2018-12-04 18:57:13 +0530 | [diff] [blame] | 3051 | mdp3_interface->signal_retire_fence = mdp3_vsync_retire_signal; |
Arun kumar | 162db22 | 2018-05-09 17:28:40 +0530 | [diff] [blame] | 3052 | mdp3_interface->is_twm_en = mdp3_is_twm_en; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 3053 | |
| 3054 | mdp3_session = kzalloc(sizeof(struct mdp3_session_data), GFP_KERNEL); |
| 3055 | if (!mdp3_session) |
| 3056 | return -ENOMEM; |
| 3057 | |
| 3058 | mutex_init(&mdp3_session->lock); |
| 3059 | INIT_WORK(&mdp3_session->clk_off_work, mdp3_dispatch_clk_off); |
| 3060 | |
Arun kumar | 47145e0 | 2018-03-23 22:07:51 +0530 | [diff] [blame] | 3061 | kthread_init_worker(&mdp3_session->worker); |
| 3062 | kthread_init_work(&mdp3_session->dma_done_work, mdp3_dispatch_dma_done); |
| 3063 | |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 3064 | |
| 3065 | mdp3_session->thread = kthread_run(kthread_worker_fn, |
| 3066 | &mdp3_session->worker, |
| 3067 | "mdp3_dispatch_dma_done"); |
| 3068 | |
| 3069 | if (IS_ERR(mdp3_session->thread)) { |
| 3070 | pr_err("Can't initialize mdp3_dispatch_dma_done thread\n"); |
| 3071 | rc = -ENODEV; |
| 3072 | goto init_done; |
| 3073 | } |
| 3074 | |
| 3075 | sched_setscheduler(mdp3_session->thread, SCHED_FIFO, &sched); |
| 3076 | |
| 3077 | atomic_set(&mdp3_session->vsync_countdown, 0); |
| 3078 | mutex_init(&mdp3_session->histo_lock); |
| 3079 | mdp3_session->dma = mdp3_get_dma_pipe(MDP3_DMA_CAP_ALL); |
| 3080 | if (!mdp3_session->dma) { |
| 3081 | rc = -ENODEV; |
| 3082 | goto init_done; |
| 3083 | } |
| 3084 | |
| 3085 | rc = mdp3_dma_init(mdp3_session->dma); |
| 3086 | if (rc) { |
| 3087 | pr_err("fail to init dma\n"); |
| 3088 | goto init_done; |
| 3089 | } |
Animesh Kishore | 3650a56 | 2018-11-16 00:26:26 +0530 | [diff] [blame] | 3090 | mdp3_session->dma->session = mdp3_session; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 3091 | |
| 3092 | intf_type = mdp3_ctrl_get_intf_type(mfd); |
| 3093 | mdp3_session->intf = mdp3_get_display_intf(intf_type); |
| 3094 | if (!mdp3_session->intf) { |
| 3095 | rc = -ENODEV; |
| 3096 | goto init_done; |
| 3097 | } |
| 3098 | rc = mdp3_intf_init(mdp3_session->intf); |
| 3099 | if (rc) { |
| 3100 | pr_err("fail to init interface\n"); |
| 3101 | goto init_done; |
| 3102 | } |
| 3103 | |
| 3104 | mdp3_session->dma->output_config.out_sel = intf_type; |
| 3105 | mdp3_session->mfd = mfd; |
| 3106 | mdp3_session->panel = dev_get_platdata(&mfd->pdev->dev); |
| 3107 | mdp3_session->status = mdp3_session->intf->active; |
| 3108 | mdp3_session->overlay.id = MSMFB_NEW_REQUEST; |
| 3109 | mdp3_bufq_init(&mdp3_session->bufq_in); |
| 3110 | mdp3_bufq_init(&mdp3_session->bufq_out); |
| 3111 | mdp3_session->histo_status = 0; |
| 3112 | mdp3_session->lut_sel = 0; |
| 3113 | BLOCKING_INIT_NOTIFIER_HEAD(&mdp3_session->notifier_head); |
| 3114 | |
| 3115 | init_timer(&mdp3_session->vsync_timer); |
| 3116 | mdp3_session->vsync_timer.function = mdp3_vsync_timer_func; |
| 3117 | mdp3_session->vsync_timer.data = (u32)mdp3_session; |
Abhijith Desai | b502b28 | 2018-09-12 14:48:22 +0530 | [diff] [blame] | 3118 | |
| 3119 | if (frame_rate != 0) |
| 3120 | mdp3_session->dma->vsync_period = |
| 3121 | DIV_ROUND_UP(1000, frame_rate); |
| 3122 | |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 3123 | mfd->mdp.private1 = mdp3_session; |
| 3124 | init_completion(&mdp3_session->dma_completion); |
Arun kumar | db96281 | 2018-05-30 16:31:52 +0530 | [diff] [blame] | 3125 | if (intf_type != MDP3_DMA_OUTPUT_SEL_DSI_VIDEO || |
| 3126 | intf_type != MDP3_DMA_OUTPUT_SEL_SPI_CMD) |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 3127 | mdp3_session->wait_for_dma_done = mdp3_wait_for_dma_done; |
| 3128 | |
| 3129 | rc = sysfs_create_group(&dev->kobj, &vsync_fs_attr_group); |
| 3130 | if (rc) { |
| 3131 | pr_err("vsync sysfs group creation failed, ret=%d\n", rc); |
| 3132 | goto init_done; |
| 3133 | } |
| 3134 | rc = sysfs_create_group(&dev->kobj, &generic_attr_group); |
| 3135 | if (rc) { |
| 3136 | pr_err("generic sysfs group creation failed, ret=%d\n", rc); |
| 3137 | goto init_done; |
| 3138 | } |
| 3139 | |
| 3140 | mdp3_session->vsync_event_sd = sysfs_get_dirent(dev->kobj.sd, |
| 3141 | "vsync_event"); |
| 3142 | if (!mdp3_session->vsync_event_sd) { |
| 3143 | pr_err("vsync_event sysfs lookup failed\n"); |
| 3144 | rc = -ENODEV; |
| 3145 | goto init_done; |
| 3146 | } |
| 3147 | |
| 3148 | mdp3_session->dma->hist_event_sd = sysfs_get_dirent(dev->kobj.sd, |
| 3149 | "hist_event"); |
| 3150 | if (!mdp3_session->dma->hist_event_sd) { |
| 3151 | pr_err("hist_event sysfs lookup failed\n"); |
| 3152 | rc = -ENODEV; |
| 3153 | goto init_done; |
| 3154 | } |
| 3155 | |
| 3156 | mdp3_session->bl_event_sd = sysfs_get_dirent(dev->kobj.sd, |
| 3157 | "bl_event"); |
| 3158 | if (!mdp3_session->bl_event_sd) { |
| 3159 | pr_err("bl_event sysfs lookup failed\n"); |
| 3160 | rc = -ENODEV; |
| 3161 | goto init_done; |
| 3162 | } |
| 3163 | |
| 3164 | rc = mdp3_create_sysfs_link(dev); |
| 3165 | if (rc) |
| 3166 | pr_warn("problem creating link to mdp sysfs\n"); |
| 3167 | |
| 3168 | /* Enable PM runtime */ |
| 3169 | pm_runtime_set_suspended(&mdp3_res->pdev->dev); |
| 3170 | pm_runtime_enable(&mdp3_res->pdev->dev); |
| 3171 | |
| 3172 | kobject_uevent(&dev->kobj, KOBJ_ADD); |
| 3173 | pr_debug("vsync kobject_uevent(KOBJ_ADD)\n"); |
| 3174 | |
| 3175 | if (mdp3_get_cont_spash_en()) { |
| 3176 | mdp3_session->clk_on = 1; |
| 3177 | mdp3_session->in_splash_screen = 1; |
| 3178 | mdp3_ctrl_notifier_register(mdp3_session, |
| 3179 | &mdp3_session->mfd->mdp_sync_pt_data.notifier); |
| 3180 | } |
| 3181 | |
| 3182 | /* |
| 3183 | * Increment the overlay active count. |
| 3184 | * This is needed to ensure that if idle power collapse kicks in |
| 3185 | * right away, it would be handled correctly. |
| 3186 | */ |
| 3187 | atomic_inc(&mdp3_res->active_intf_cnt); |
| 3188 | if (splash_mismatch) { |
| 3189 | pr_err("splash memory mismatch, stop splash\n"); |
| 3190 | mdp3_ctrl_off(mfd); |
| 3191 | } |
| 3192 | |
| 3193 | mdp3_session->vsync_before_commit = true; |
| 3194 | mdp3_session->dyn_pu_state = mfd->panel_info->partial_update_enabled; |
| 3195 | |
Vijay Navnath Kamble | 7f08222 | 2018-09-10 12:40:01 +0530 | [diff] [blame] | 3196 | rc = mdp3_vsync_retire_setup(mfd); |
| 3197 | if (IS_ERR_VALUE(rc)) { |
| 3198 | pr_err("unable to create vsync timeline\n"); |
| 3199 | goto init_done; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 3200 | } |
| 3201 | init_done: |
| 3202 | if (IS_ERR_VALUE(rc)) |
| 3203 | kfree(mdp3_session); |
| 3204 | |
| 3205 | return rc; |
| 3206 | } |