Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1 | /* Copyright (c) 2012-2018, 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 | #include <linux/module.h> |
| 14 | #include <linux/interrupt.h> |
| 15 | #include <linux/of.h> |
| 16 | #include <linux/of_gpio.h> |
| 17 | #include <linux/gpio.h> |
| 18 | #include <linux/qpnp/pin.h> |
| 19 | #include <linux/delay.h> |
| 20 | #include <linux/slab.h> |
| 21 | #include <linux/leds.h> |
| 22 | #include <linux/qpnp/pwm.h> |
| 23 | #include <linux/err.h> |
| 24 | #include <linux/string.h> |
| 25 | |
| 26 | #include "mdss_dsi.h" |
Arun kumar | 83b8d52 | 2018-05-23 16:57:26 +0530 | [diff] [blame] | 27 | #include "mdss_debug.h" |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 28 | #ifdef TARGET_HW_MDSS_HDMI |
| 29 | #include "mdss_dba_utils.h" |
| 30 | #endif |
Ingrid Gallardo | 53795e7 | 2016-10-12 18:38:48 -0700 | [diff] [blame] | 31 | #include "mdss_debug.h" |
| 32 | |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 33 | #define DT_CMD_HDR 6 |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 34 | #define DEFAULT_MDP_TRANSFER_TIME 14000 |
| 35 | |
| 36 | #define VSYNC_DELAY msecs_to_jiffies(17) |
| 37 | |
| 38 | DEFINE_LED_TRIGGER(bl_led_trigger); |
| 39 | |
| 40 | void mdss_dsi_panel_pwm_cfg(struct mdss_dsi_ctrl_pdata *ctrl) |
| 41 | { |
| 42 | if (ctrl->pwm_pmi) |
| 43 | return; |
| 44 | |
| 45 | ctrl->pwm_bl = pwm_request(ctrl->pwm_lpg_chan, "lcd-bklt"); |
| 46 | if (ctrl->pwm_bl == NULL || IS_ERR(ctrl->pwm_bl)) { |
| 47 | pr_err("%s: Error: lpg_chan=%d pwm request failed", |
| 48 | __func__, ctrl->pwm_lpg_chan); |
| 49 | } |
| 50 | ctrl->pwm_enabled = 0; |
| 51 | } |
| 52 | |
| 53 | bool mdss_dsi_panel_pwm_enable(struct mdss_dsi_ctrl_pdata *ctrl) |
| 54 | { |
| 55 | bool status = true; |
| 56 | |
| 57 | if (!ctrl->pwm_enabled) |
| 58 | goto end; |
| 59 | |
| 60 | if (pwm_enable(ctrl->pwm_bl)) { |
| 61 | pr_err("%s: pwm_enable() failed\n", __func__); |
| 62 | status = false; |
| 63 | } |
| 64 | |
| 65 | ctrl->pwm_enabled = 1; |
| 66 | |
| 67 | end: |
| 68 | return status; |
| 69 | } |
| 70 | |
| 71 | static void mdss_dsi_panel_bklt_pwm(struct mdss_dsi_ctrl_pdata *ctrl, int level) |
| 72 | { |
| 73 | int ret; |
| 74 | u32 duty; |
| 75 | u32 period_ns; |
| 76 | |
| 77 | if (ctrl->pwm_bl == NULL) { |
| 78 | pr_err("%s: no PWM\n", __func__); |
| 79 | return; |
| 80 | } |
| 81 | |
| 82 | if (level == 0) { |
| 83 | if (ctrl->pwm_enabled) { |
Vishnuvardhan Prodduturi | a814fd9 | 2018-02-13 11:38:43 +0530 | [diff] [blame] | 84 | ret = pwm_config(ctrl->pwm_bl, 0, |
| 85 | ctrl->pwm_period * NSEC_PER_USEC); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 86 | if (ret) |
Vishnuvardhan Prodduturi | a814fd9 | 2018-02-13 11:38:43 +0530 | [diff] [blame] | 87 | pr_err("%s: pwm_config() failed err=%d.\n", |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 88 | __func__, ret); |
| 89 | pwm_disable(ctrl->pwm_bl); |
| 90 | } |
| 91 | ctrl->pwm_enabled = 0; |
| 92 | return; |
| 93 | } |
| 94 | |
| 95 | duty = level * ctrl->pwm_period; |
| 96 | duty /= ctrl->bklt_max; |
| 97 | |
| 98 | pr_debug("%s: bklt_ctrl=%d pwm_period=%d pwm_gpio=%d pwm_lpg_chan=%d\n", |
| 99 | __func__, ctrl->bklt_ctrl, ctrl->pwm_period, |
| 100 | ctrl->pwm_pmic_gpio, ctrl->pwm_lpg_chan); |
| 101 | |
| 102 | pr_debug("%s: ndx=%d level=%d duty=%d\n", __func__, |
| 103 | ctrl->ndx, level, duty); |
| 104 | |
| 105 | if (ctrl->pwm_period >= USEC_PER_SEC) { |
| 106 | ret = pwm_config_us(ctrl->pwm_bl, duty, ctrl->pwm_period); |
| 107 | if (ret) { |
| 108 | pr_err("%s: pwm_config_us() failed err=%d.\n", |
| 109 | __func__, ret); |
| 110 | return; |
| 111 | } |
| 112 | } else { |
| 113 | period_ns = ctrl->pwm_period * NSEC_PER_USEC; |
| 114 | ret = pwm_config(ctrl->pwm_bl, |
| 115 | level * period_ns / ctrl->bklt_max, |
| 116 | period_ns); |
| 117 | if (ret) { |
| 118 | pr_err("%s: pwm_config() failed err=%d.\n", |
| 119 | __func__, ret); |
| 120 | return; |
| 121 | } |
| 122 | } |
| 123 | |
| 124 | if (!ctrl->pwm_enabled) { |
| 125 | ret = pwm_enable(ctrl->pwm_bl); |
| 126 | if (ret) |
| 127 | pr_err("%s: pwm_enable() failed err=%d\n", __func__, |
| 128 | ret); |
| 129 | ctrl->pwm_enabled = 1; |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | static char dcs_cmd[2] = {0x54, 0x00}; /* DTYPE_DCS_READ */ |
| 134 | static struct dsi_cmd_desc dcs_read_cmd = { |
| 135 | {DTYPE_DCS_READ, 1, 0, 1, 5, sizeof(dcs_cmd)}, |
| 136 | dcs_cmd |
| 137 | }; |
| 138 | |
| 139 | int mdss_dsi_panel_cmd_read(struct mdss_dsi_ctrl_pdata *ctrl, char cmd0, |
| 140 | char cmd1, void (*fxn)(int), char *rbuf, int len) |
| 141 | { |
| 142 | struct dcs_cmd_req cmdreq; |
| 143 | struct mdss_panel_info *pinfo; |
| 144 | |
| 145 | pinfo = &(ctrl->panel_data.panel_info); |
| 146 | if (pinfo->dcs_cmd_by_left) { |
| 147 | if (ctrl->ndx != DSI_CTRL_LEFT) |
| 148 | return -EINVAL; |
| 149 | } |
| 150 | |
| 151 | dcs_cmd[0] = cmd0; |
| 152 | dcs_cmd[1] = cmd1; |
| 153 | memset(&cmdreq, 0, sizeof(cmdreq)); |
| 154 | cmdreq.cmds = &dcs_read_cmd; |
| 155 | cmdreq.cmds_cnt = 1; |
| 156 | cmdreq.flags = CMD_REQ_RX | CMD_REQ_COMMIT; |
| 157 | cmdreq.rlen = len; |
| 158 | cmdreq.rbuf = rbuf; |
| 159 | cmdreq.cb = fxn; /* call back */ |
| 160 | /* |
| 161 | * blocked here, until call back called |
| 162 | */ |
| 163 | |
| 164 | return mdss_dsi_cmdlist_put(ctrl, &cmdreq); |
| 165 | } |
| 166 | |
| 167 | static void mdss_dsi_panel_apply_settings(struct mdss_dsi_ctrl_pdata *ctrl, |
| 168 | struct dsi_panel_cmds *pcmds) |
| 169 | { |
| 170 | struct dcs_cmd_req cmdreq; |
| 171 | struct mdss_panel_info *pinfo; |
| 172 | |
| 173 | pinfo = &(ctrl->panel_data.panel_info); |
| 174 | if ((pinfo->dcs_cmd_by_left) && (ctrl->ndx != DSI_CTRL_LEFT)) |
| 175 | return; |
| 176 | |
| 177 | memset(&cmdreq, 0, sizeof(cmdreq)); |
| 178 | cmdreq.cmds = pcmds->cmds; |
| 179 | cmdreq.cmds_cnt = pcmds->cmd_cnt; |
| 180 | cmdreq.flags = CMD_REQ_COMMIT; |
| 181 | cmdreq.rlen = 0; |
| 182 | cmdreq.cb = NULL; |
| 183 | mdss_dsi_cmdlist_put(ctrl, &cmdreq); |
| 184 | } |
| 185 | |
| 186 | static void mdss_dsi_panel_cmds_send(struct mdss_dsi_ctrl_pdata *ctrl, |
| 187 | struct dsi_panel_cmds *pcmds, u32 flags) |
| 188 | { |
| 189 | struct dcs_cmd_req cmdreq; |
| 190 | struct mdss_panel_info *pinfo; |
| 191 | |
| 192 | pinfo = &(ctrl->panel_data.panel_info); |
| 193 | if (pinfo->dcs_cmd_by_left) { |
| 194 | if (ctrl->ndx != DSI_CTRL_LEFT) |
| 195 | return; |
| 196 | } |
| 197 | |
| 198 | memset(&cmdreq, 0, sizeof(cmdreq)); |
| 199 | cmdreq.cmds = pcmds->cmds; |
| 200 | cmdreq.cmds_cnt = pcmds->cmd_cnt; |
| 201 | cmdreq.flags = flags; |
| 202 | |
| 203 | /*Panel ON/Off commands should be sent in DSI Low Power Mode*/ |
| 204 | if (pcmds->link_state == DSI_LP_MODE) |
| 205 | cmdreq.flags |= CMD_REQ_LP_MODE; |
| 206 | else if (pcmds->link_state == DSI_HS_MODE) |
| 207 | cmdreq.flags |= CMD_REQ_HS_MODE; |
| 208 | |
| 209 | cmdreq.rlen = 0; |
| 210 | cmdreq.cb = NULL; |
| 211 | |
| 212 | mdss_dsi_cmdlist_put(ctrl, &cmdreq); |
| 213 | } |
| 214 | |
| 215 | static char led_pwm1[2] = {0x51, 0x0}; /* DTYPE_DCS_WRITE1 */ |
| 216 | static struct dsi_cmd_desc backlight_cmd = { |
| 217 | {DTYPE_DCS_WRITE1, 1, 0, 0, 1, sizeof(led_pwm1)}, |
| 218 | led_pwm1 |
| 219 | }; |
| 220 | |
| 221 | static void mdss_dsi_panel_bklt_dcs(struct mdss_dsi_ctrl_pdata *ctrl, int level) |
| 222 | { |
| 223 | struct dcs_cmd_req cmdreq; |
| 224 | struct mdss_panel_info *pinfo; |
| 225 | |
| 226 | pinfo = &(ctrl->panel_data.panel_info); |
| 227 | if (pinfo->dcs_cmd_by_left) { |
| 228 | if (ctrl->ndx != DSI_CTRL_LEFT) |
| 229 | return; |
| 230 | } |
| 231 | |
| 232 | pr_debug("%s: level=%d\n", __func__, level); |
| 233 | |
| 234 | led_pwm1[1] = (unsigned char)level; |
| 235 | |
| 236 | memset(&cmdreq, 0, sizeof(cmdreq)); |
| 237 | cmdreq.cmds = &backlight_cmd; |
| 238 | cmdreq.cmds_cnt = 1; |
| 239 | cmdreq.flags = CMD_REQ_COMMIT; |
| 240 | cmdreq.rlen = 0; |
| 241 | cmdreq.cb = NULL; |
| 242 | |
Yahui Wang | 0c1acb0 | 2017-06-07 09:40:03 +0800 | [diff] [blame] | 243 | if (ctrl->bklt_dcs_op_mode == DSI_HS_MODE) |
| 244 | cmdreq.flags |= CMD_REQ_HS_MODE; |
| 245 | else |
| 246 | cmdreq.flags |= CMD_REQ_LP_MODE; |
| 247 | |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 248 | mdss_dsi_cmdlist_put(ctrl, &cmdreq); |
| 249 | } |
| 250 | |
| 251 | static void mdss_dsi_panel_set_idle_mode(struct mdss_panel_data *pdata, |
| 252 | bool enable) |
| 253 | { |
| 254 | struct mdss_dsi_ctrl_pdata *ctrl = NULL; |
| 255 | |
| 256 | if (pdata == NULL) { |
| 257 | pr_err("%s: Invalid input data\n", __func__); |
| 258 | return; |
| 259 | } |
| 260 | |
| 261 | ctrl = container_of(pdata, struct mdss_dsi_ctrl_pdata, |
| 262 | panel_data); |
| 263 | |
Arun kumar | 83b8d52 | 2018-05-23 16:57:26 +0530 | [diff] [blame] | 264 | pr_info("%s: Idle (%d->%d)\n", __func__, ctrl->idle, enable); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 265 | |
| 266 | if (ctrl->idle == enable) |
| 267 | return; |
| 268 | |
Arun kumar | 83b8d52 | 2018-05-23 16:57:26 +0530 | [diff] [blame] | 269 | MDSS_XLOG(ctrl->idle, enable); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 270 | if (enable) { |
| 271 | if (ctrl->idle_on_cmds.cmd_cnt) { |
| 272 | mdss_dsi_panel_cmds_send(ctrl, &ctrl->idle_on_cmds, |
| 273 | CMD_REQ_COMMIT); |
| 274 | ctrl->idle = true; |
| 275 | pr_debug("Idle on\n"); |
| 276 | } |
| 277 | } else { |
| 278 | if (ctrl->idle_off_cmds.cmd_cnt) { |
| 279 | mdss_dsi_panel_cmds_send(ctrl, &ctrl->idle_off_cmds, |
| 280 | CMD_REQ_COMMIT); |
| 281 | ctrl->idle = false; |
| 282 | pr_debug("Idle off\n"); |
| 283 | } |
| 284 | } |
| 285 | } |
| 286 | |
| 287 | static bool mdss_dsi_panel_get_idle_mode(struct mdss_panel_data *pdata) |
| 288 | |
| 289 | { |
| 290 | struct mdss_dsi_ctrl_pdata *ctrl = NULL; |
| 291 | |
| 292 | if (pdata == NULL) { |
| 293 | pr_err("%s: Invalid input data\n", __func__); |
| 294 | return 0; |
| 295 | } |
| 296 | ctrl = container_of(pdata, struct mdss_dsi_ctrl_pdata, |
| 297 | panel_data); |
| 298 | return ctrl->idle; |
| 299 | } |
| 300 | |
| 301 | static int mdss_dsi_request_gpios(struct mdss_dsi_ctrl_pdata *ctrl_pdata) |
| 302 | { |
| 303 | int rc = 0; |
| 304 | |
| 305 | if (gpio_is_valid(ctrl_pdata->disp_en_gpio)) { |
| 306 | rc = gpio_request(ctrl_pdata->disp_en_gpio, |
| 307 | "disp_enable"); |
| 308 | if (rc) { |
| 309 | pr_err("request disp_en gpio failed, rc=%d\n", |
| 310 | rc); |
| 311 | goto disp_en_gpio_err; |
| 312 | } |
| 313 | } |
| 314 | rc = gpio_request(ctrl_pdata->rst_gpio, "disp_rst_n"); |
| 315 | if (rc) { |
| 316 | pr_err("request reset gpio failed, rc=%d\n", |
| 317 | rc); |
| 318 | goto rst_gpio_err; |
| 319 | } |
| 320 | if (gpio_is_valid(ctrl_pdata->bklt_en_gpio)) { |
| 321 | rc = gpio_request(ctrl_pdata->bklt_en_gpio, |
| 322 | "bklt_enable"); |
| 323 | if (rc) { |
| 324 | pr_err("request bklt gpio failed, rc=%d\n", |
| 325 | rc); |
| 326 | goto bklt_en_gpio_err; |
| 327 | } |
| 328 | } |
| 329 | if (gpio_is_valid(ctrl_pdata->mode_gpio)) { |
| 330 | rc = gpio_request(ctrl_pdata->mode_gpio, "panel_mode"); |
| 331 | if (rc) { |
| 332 | pr_err("request panel mode gpio failed,rc=%d\n", |
| 333 | rc); |
| 334 | goto mode_gpio_err; |
| 335 | } |
| 336 | } |
| 337 | return rc; |
| 338 | |
| 339 | mode_gpio_err: |
| 340 | if (gpio_is_valid(ctrl_pdata->bklt_en_gpio)) |
| 341 | gpio_free(ctrl_pdata->bklt_en_gpio); |
| 342 | bklt_en_gpio_err: |
| 343 | gpio_free(ctrl_pdata->rst_gpio); |
| 344 | rst_gpio_err: |
| 345 | if (gpio_is_valid(ctrl_pdata->disp_en_gpio)) |
| 346 | gpio_free(ctrl_pdata->disp_en_gpio); |
| 347 | disp_en_gpio_err: |
| 348 | return rc; |
| 349 | } |
| 350 | |
| 351 | int mdss_dsi_panel_reset(struct mdss_panel_data *pdata, int enable) |
| 352 | { |
| 353 | struct mdss_dsi_ctrl_pdata *ctrl_pdata = NULL; |
| 354 | struct mdss_panel_info *pinfo = NULL; |
| 355 | int i, rc = 0; |
| 356 | |
| 357 | if (pdata == NULL) { |
| 358 | pr_err("%s: Invalid input data\n", __func__); |
| 359 | return -EINVAL; |
| 360 | } |
| 361 | |
| 362 | ctrl_pdata = container_of(pdata, struct mdss_dsi_ctrl_pdata, |
| 363 | panel_data); |
| 364 | |
| 365 | pinfo = &(ctrl_pdata->panel_data.panel_info); |
| 366 | |
| 367 | /* need to configure intf mux only for external interface */ |
| 368 | if (pinfo->is_dba_panel) { |
| 369 | if (enable) { |
| 370 | if (gpio_is_valid(ctrl_pdata->intf_mux_gpio)) { |
| 371 | rc = gpio_request(ctrl_pdata->intf_mux_gpio, |
| 372 | "intf_mux"); |
| 373 | if (rc) { |
| 374 | pr_err("request mux gpio failed, rc=%d\n", |
| 375 | rc); |
| 376 | return rc; |
| 377 | } |
| 378 | rc = gpio_direction_output( |
| 379 | ctrl_pdata->intf_mux_gpio, 0); |
| 380 | if (rc) { |
| 381 | pr_err("%s: unable to set dir for intf mux gpio\n", |
| 382 | __func__); |
| 383 | goto exit; |
| 384 | } |
| 385 | gpio_set_value(ctrl_pdata->intf_mux_gpio, 0); |
| 386 | } else { |
| 387 | pr_debug("%s:%d, intf mux gpio not specified\n", |
| 388 | __func__, __LINE__); |
| 389 | } |
| 390 | } else { |
| 391 | if (gpio_is_valid(ctrl_pdata->intf_mux_gpio)) |
| 392 | gpio_free(ctrl_pdata->intf_mux_gpio); |
| 393 | } |
| 394 | } |
| 395 | |
| 396 | if ((mdss_dsi_is_right_ctrl(ctrl_pdata) && |
| 397 | mdss_dsi_is_hw_config_split(ctrl_pdata->shared_data)) || |
| 398 | pinfo->is_dba_panel) { |
| 399 | pr_debug("%s:%d, right ctrl gpio configuration not needed\n", |
| 400 | __func__, __LINE__); |
| 401 | return rc; |
| 402 | } |
| 403 | |
| 404 | if (!gpio_is_valid(ctrl_pdata->disp_en_gpio)) { |
| 405 | pr_debug("%s:%d, reset line not configured\n", |
| 406 | __func__, __LINE__); |
| 407 | } |
| 408 | |
| 409 | if (!gpio_is_valid(ctrl_pdata->rst_gpio)) { |
| 410 | pr_debug("%s:%d, reset line not configured\n", |
| 411 | __func__, __LINE__); |
| 412 | return rc; |
| 413 | } |
| 414 | |
| 415 | pr_debug("%s: enable = %d\n", __func__, enable); |
| 416 | |
| 417 | if (enable) { |
| 418 | rc = mdss_dsi_request_gpios(ctrl_pdata); |
| 419 | if (rc) { |
| 420 | pr_err("gpio request failed\n"); |
| 421 | return rc; |
| 422 | } |
| 423 | if (!pinfo->cont_splash_enabled) { |
| 424 | if (gpio_is_valid(ctrl_pdata->disp_en_gpio)) { |
| 425 | rc = gpio_direction_output( |
| 426 | ctrl_pdata->disp_en_gpio, 1); |
| 427 | if (rc) { |
| 428 | pr_err("%s: unable to set dir for en gpio\n", |
| 429 | __func__); |
| 430 | goto exit; |
| 431 | } |
Arun kumar | ec570b7 | 2018-05-09 20:23:38 +0530 | [diff] [blame] | 432 | gpio_set_value((ctrl_pdata->disp_en_gpio), 1); |
| 433 | usleep_range(100, 110); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 434 | } |
| 435 | |
| 436 | if (pdata->panel_info.rst_seq_len) { |
| 437 | rc = gpio_direction_output(ctrl_pdata->rst_gpio, |
| 438 | pdata->panel_info.rst_seq[0]); |
| 439 | if (rc) { |
| 440 | pr_err("%s: unable to set dir for rst gpio\n", |
| 441 | __func__); |
| 442 | goto exit; |
| 443 | } |
| 444 | } |
| 445 | |
| 446 | for (i = 0; i < pdata->panel_info.rst_seq_len; ++i) { |
| 447 | gpio_set_value((ctrl_pdata->rst_gpio), |
| 448 | pdata->panel_info.rst_seq[i]); |
| 449 | if (pdata->panel_info.rst_seq[++i]) |
Vishnuvardhan Prodduturi | cc3789e | 2018-05-09 17:58:00 +0530 | [diff] [blame] | 450 | usleep_range((pinfo->rst_seq[i] * 1000), |
| 451 | (pinfo->rst_seq[i] * 1000) + 10); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 452 | } |
| 453 | |
| 454 | if (gpio_is_valid(ctrl_pdata->bklt_en_gpio)) { |
Yahui Wang | 12a6d37 | 2016-12-12 22:43:20 +0800 | [diff] [blame] | 455 | |
| 456 | if (ctrl_pdata->bklt_en_gpio_invert) |
| 457 | rc = gpio_direction_output( |
| 458 | ctrl_pdata->bklt_en_gpio, 0); |
| 459 | else |
| 460 | rc = gpio_direction_output( |
| 461 | ctrl_pdata->bklt_en_gpio, 1); |
| 462 | |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 463 | if (rc) { |
| 464 | pr_err("%s: unable to set dir for bklt gpio\n", |
| 465 | __func__); |
| 466 | goto exit; |
| 467 | } |
| 468 | } |
| 469 | } |
| 470 | |
| 471 | if (gpio_is_valid(ctrl_pdata->mode_gpio)) { |
| 472 | bool out = false; |
| 473 | |
| 474 | if (pinfo->mode_gpio_state == MODE_GPIO_HIGH) |
| 475 | out = true; |
| 476 | else if (pinfo->mode_gpio_state == MODE_GPIO_LOW) |
| 477 | out = false; |
| 478 | |
| 479 | rc = gpio_direction_output(ctrl_pdata->mode_gpio, out); |
| 480 | if (rc) { |
| 481 | pr_err("%s: unable to set dir for mode gpio\n", |
| 482 | __func__); |
| 483 | goto exit; |
| 484 | } |
| 485 | } |
| 486 | if (ctrl_pdata->ctrl_state & CTRL_STATE_PANEL_INIT) { |
| 487 | pr_debug("%s: Panel Not properly turned OFF\n", |
| 488 | __func__); |
| 489 | ctrl_pdata->ctrl_state &= ~CTRL_STATE_PANEL_INIT; |
| 490 | pr_debug("%s: Reset panel done\n", __func__); |
| 491 | } |
| 492 | } else { |
| 493 | if (gpio_is_valid(ctrl_pdata->bklt_en_gpio)) { |
Yahui Wang | 12a6d37 | 2016-12-12 22:43:20 +0800 | [diff] [blame] | 494 | |
| 495 | if (ctrl_pdata->bklt_en_gpio_invert) |
| 496 | gpio_set_value((ctrl_pdata->bklt_en_gpio), 1); |
| 497 | else |
| 498 | gpio_set_value((ctrl_pdata->bklt_en_gpio), 0); |
| 499 | |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 500 | gpio_free(ctrl_pdata->bklt_en_gpio); |
| 501 | } |
| 502 | if (gpio_is_valid(ctrl_pdata->disp_en_gpio)) { |
| 503 | gpio_set_value((ctrl_pdata->disp_en_gpio), 0); |
Arun kumar | ec570b7 | 2018-05-09 20:23:38 +0530 | [diff] [blame] | 504 | usleep_range(100, 110); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 505 | gpio_free(ctrl_pdata->disp_en_gpio); |
| 506 | } |
| 507 | gpio_set_value((ctrl_pdata->rst_gpio), 0); |
| 508 | gpio_free(ctrl_pdata->rst_gpio); |
| 509 | if (gpio_is_valid(ctrl_pdata->mode_gpio)) |
| 510 | gpio_free(ctrl_pdata->mode_gpio); |
| 511 | } |
| 512 | |
| 513 | exit: |
| 514 | return rc; |
| 515 | } |
| 516 | |
| 517 | /** |
| 518 | * mdss_dsi_roi_merge() - merge two roi into single roi |
| 519 | * |
| 520 | * Function used by partial update with only one dsi intf take 2A/2B |
| 521 | * (column/page) dcs commands. |
| 522 | */ |
| 523 | static int mdss_dsi_roi_merge(struct mdss_dsi_ctrl_pdata *ctrl, |
| 524 | struct mdss_rect *roi) |
| 525 | { |
| 526 | struct mdss_panel_info *l_pinfo; |
| 527 | struct mdss_rect *l_roi; |
| 528 | struct mdss_rect *r_roi; |
| 529 | struct mdss_dsi_ctrl_pdata *other = NULL; |
| 530 | int ans = 0; |
| 531 | |
| 532 | if (ctrl->ndx == DSI_CTRL_LEFT) { |
| 533 | other = mdss_dsi_get_ctrl_by_index(DSI_CTRL_RIGHT); |
| 534 | if (!other) |
| 535 | return ans; |
| 536 | l_pinfo = &(ctrl->panel_data.panel_info); |
| 537 | l_roi = &(ctrl->panel_data.panel_info.roi); |
| 538 | r_roi = &(other->panel_data.panel_info.roi); |
| 539 | } else { |
| 540 | other = mdss_dsi_get_ctrl_by_index(DSI_CTRL_LEFT); |
| 541 | if (!other) |
| 542 | return ans; |
| 543 | l_pinfo = &(other->panel_data.panel_info); |
| 544 | l_roi = &(other->panel_data.panel_info.roi); |
| 545 | r_roi = &(ctrl->panel_data.panel_info.roi); |
| 546 | } |
| 547 | |
| 548 | if (l_roi->w == 0 && l_roi->h == 0) { |
| 549 | /* right only */ |
| 550 | *roi = *r_roi; |
| 551 | roi->x += l_pinfo->xres;/* add left full width to x-offset */ |
| 552 | } else { |
| 553 | /* left only and left+righ */ |
| 554 | *roi = *l_roi; |
| 555 | roi->w += r_roi->w; /* add right width */ |
| 556 | ans = 1; |
| 557 | } |
| 558 | |
| 559 | return ans; |
| 560 | } |
| 561 | |
| 562 | static char caset[] = {0x2a, 0x00, 0x00, 0x03, 0x00}; /* DTYPE_DCS_LWRITE */ |
| 563 | static char paset[] = {0x2b, 0x00, 0x00, 0x05, 0x00}; /* DTYPE_DCS_LWRITE */ |
| 564 | |
| 565 | /* pack into one frame before sent */ |
| 566 | static struct dsi_cmd_desc set_col_page_addr_cmd[] = { |
| 567 | {{DTYPE_DCS_LWRITE, 0, 0, 0, 1, sizeof(caset)}, caset}, /* packed */ |
| 568 | {{DTYPE_DCS_LWRITE, 1, 0, 0, 1, sizeof(paset)}, paset}, |
| 569 | }; |
| 570 | |
| 571 | static void mdss_dsi_send_col_page_addr(struct mdss_dsi_ctrl_pdata *ctrl, |
| 572 | struct mdss_rect *roi, int unicast) |
| 573 | { |
| 574 | struct dcs_cmd_req cmdreq; |
| 575 | |
| 576 | caset[1] = (((roi->x) & 0xFF00) >> 8); |
| 577 | caset[2] = (((roi->x) & 0xFF)); |
| 578 | caset[3] = (((roi->x - 1 + roi->w) & 0xFF00) >> 8); |
| 579 | caset[4] = (((roi->x - 1 + roi->w) & 0xFF)); |
| 580 | set_col_page_addr_cmd[0].payload = caset; |
| 581 | |
| 582 | paset[1] = (((roi->y) & 0xFF00) >> 8); |
| 583 | paset[2] = (((roi->y) & 0xFF)); |
| 584 | paset[3] = (((roi->y - 1 + roi->h) & 0xFF00) >> 8); |
| 585 | paset[4] = (((roi->y - 1 + roi->h) & 0xFF)); |
| 586 | set_col_page_addr_cmd[1].payload = paset; |
| 587 | |
| 588 | memset(&cmdreq, 0, sizeof(cmdreq)); |
| 589 | cmdreq.cmds_cnt = 2; |
| 590 | cmdreq.flags = CMD_REQ_COMMIT; |
| 591 | if (unicast) |
| 592 | cmdreq.flags |= CMD_REQ_UNICAST; |
| 593 | cmdreq.rlen = 0; |
| 594 | cmdreq.cb = NULL; |
| 595 | |
| 596 | cmdreq.cmds = set_col_page_addr_cmd; |
| 597 | mdss_dsi_cmdlist_put(ctrl, &cmdreq); |
| 598 | } |
| 599 | |
| 600 | static int mdss_dsi_set_col_page_addr(struct mdss_panel_data *pdata, |
| 601 | bool force_send) |
| 602 | { |
| 603 | struct mdss_panel_info *pinfo; |
| 604 | struct mdss_rect roi = {0}; |
| 605 | struct mdss_rect *p_roi; |
| 606 | struct mdss_rect *c_roi; |
| 607 | struct mdss_dsi_ctrl_pdata *ctrl = NULL; |
| 608 | struct mdss_dsi_ctrl_pdata *other = NULL; |
| 609 | int left_or_both = 0; |
| 610 | |
| 611 | if (pdata == NULL) { |
| 612 | pr_err("%s: Invalid input data\n", __func__); |
| 613 | return -EINVAL; |
| 614 | } |
| 615 | |
| 616 | ctrl = container_of(pdata, struct mdss_dsi_ctrl_pdata, |
| 617 | panel_data); |
| 618 | |
| 619 | pinfo = &pdata->panel_info; |
| 620 | p_roi = &pinfo->roi; |
| 621 | |
| 622 | /* |
| 623 | * to avoid keep sending same col_page info to panel, |
| 624 | * if roi_merge enabled, the roi of left ctrl is used |
| 625 | * to compare against new merged roi and saved new |
| 626 | * merged roi to it after comparing. |
| 627 | * if roi_merge disabled, then the calling ctrl's roi |
| 628 | * and pinfo's roi are used to compare. |
| 629 | */ |
| 630 | if (pinfo->partial_update_roi_merge) { |
| 631 | left_or_both = mdss_dsi_roi_merge(ctrl, &roi); |
| 632 | other = mdss_dsi_get_ctrl_by_index(DSI_CTRL_LEFT); |
| 633 | c_roi = &other->roi; |
| 634 | } else { |
| 635 | c_roi = &ctrl->roi; |
| 636 | roi = *p_roi; |
| 637 | } |
| 638 | |
| 639 | /* roi had changed, do col_page update */ |
| 640 | if (force_send || !mdss_rect_cmp(c_roi, &roi)) { |
| 641 | pr_debug("%s: ndx=%d x=%d y=%d w=%d h=%d\n", |
| 642 | __func__, ctrl->ndx, p_roi->x, |
| 643 | p_roi->y, p_roi->w, p_roi->h); |
| 644 | |
| 645 | *c_roi = roi; /* keep to ctrl */ |
| 646 | if (c_roi->w == 0 || c_roi->h == 0) { |
| 647 | /* no new frame update */ |
| 648 | pr_debug("%s: ctrl=%d, no partial roi set\n", |
| 649 | __func__, ctrl->ndx); |
| 650 | return 0; |
| 651 | } |
| 652 | |
| 653 | if (pinfo->dcs_cmd_by_left) { |
| 654 | if (left_or_both && ctrl->ndx == DSI_CTRL_RIGHT) { |
| 655 | /* 2A/2B sent by left already */ |
| 656 | return 0; |
| 657 | } |
| 658 | } |
| 659 | |
| 660 | if (!mdss_dsi_sync_wait_enable(ctrl)) { |
| 661 | if (pinfo->dcs_cmd_by_left) |
| 662 | ctrl = mdss_dsi_get_ctrl_by_index( |
| 663 | DSI_CTRL_LEFT); |
| 664 | mdss_dsi_send_col_page_addr(ctrl, &roi, 0); |
| 665 | } else { |
| 666 | /* |
| 667 | * when sync_wait_broadcast enabled, |
| 668 | * need trigger at right ctrl to |
| 669 | * start both dcs cmd transmission |
| 670 | */ |
| 671 | other = mdss_dsi_get_other_ctrl(ctrl); |
| 672 | if (!other) |
| 673 | goto end; |
| 674 | |
| 675 | if (mdss_dsi_is_left_ctrl(ctrl)) { |
| 676 | if (pinfo->partial_update_roi_merge) { |
| 677 | /* |
| 678 | * roi is the one after merged |
| 679 | * to dsi-1 only |
| 680 | */ |
| 681 | mdss_dsi_send_col_page_addr(other, |
| 682 | &roi, 0); |
| 683 | } else { |
| 684 | mdss_dsi_send_col_page_addr(ctrl, |
| 685 | &ctrl->roi, 1); |
| 686 | mdss_dsi_send_col_page_addr(other, |
| 687 | &other->roi, 1); |
| 688 | } |
| 689 | } else { |
| 690 | if (pinfo->partial_update_roi_merge) { |
| 691 | /* |
| 692 | * roi is the one after merged |
| 693 | * to dsi-1 only |
| 694 | */ |
| 695 | mdss_dsi_send_col_page_addr(ctrl, |
| 696 | &roi, 0); |
| 697 | } else { |
| 698 | mdss_dsi_send_col_page_addr(other, |
| 699 | &other->roi, 1); |
| 700 | mdss_dsi_send_col_page_addr(ctrl, |
| 701 | &ctrl->roi, 1); |
| 702 | } |
| 703 | } |
| 704 | } |
| 705 | } |
| 706 | |
| 707 | end: |
| 708 | return 0; |
| 709 | } |
| 710 | |
| 711 | static int mdss_dsi_panel_apply_display_setting(struct mdss_panel_data *pdata, |
| 712 | u32 mode) |
| 713 | { |
| 714 | struct mdss_dsi_ctrl_pdata *ctrl = NULL; |
| 715 | struct dsi_panel_cmds *lp_on_cmds; |
| 716 | struct dsi_panel_cmds *lp_off_cmds; |
| 717 | |
| 718 | if (pdata == NULL) { |
| 719 | pr_err("%s: Invalid input data\n", __func__); |
| 720 | return -EINVAL; |
| 721 | } |
| 722 | |
| 723 | ctrl = container_of(pdata, struct mdss_dsi_ctrl_pdata, |
| 724 | panel_data); |
| 725 | |
| 726 | lp_on_cmds = &ctrl->lp_on_cmds; |
| 727 | lp_off_cmds = &ctrl->lp_off_cmds; |
| 728 | |
| 729 | /* Apply display settings for low-persistence mode */ |
| 730 | if ((mode == MDSS_PANEL_LOW_PERSIST_MODE_ON) && |
| 731 | (lp_on_cmds->cmd_cnt)) |
| 732 | mdss_dsi_panel_apply_settings(ctrl, lp_on_cmds); |
| 733 | else if ((mode == MDSS_PANEL_LOW_PERSIST_MODE_OFF) && |
| 734 | (lp_off_cmds->cmd_cnt)) |
| 735 | mdss_dsi_panel_apply_settings(ctrl, lp_off_cmds); |
| 736 | else |
| 737 | return -EINVAL; |
| 738 | |
| 739 | pr_debug("%s: Persistence mode %d applied\n", __func__, mode); |
| 740 | return 0; |
| 741 | } |
| 742 | |
| 743 | static void mdss_dsi_panel_switch_mode(struct mdss_panel_data *pdata, |
| 744 | int mode) |
| 745 | { |
| 746 | struct mdss_dsi_ctrl_pdata *ctrl_pdata = NULL; |
| 747 | struct mipi_panel_info *mipi; |
| 748 | struct dsi_panel_cmds *pcmds; |
| 749 | u32 flags = 0; |
| 750 | |
| 751 | if (pdata == NULL) { |
| 752 | pr_err("%s: Invalid input data\n", __func__); |
| 753 | return; |
| 754 | } |
| 755 | |
| 756 | mipi = &pdata->panel_info.mipi; |
| 757 | |
| 758 | if (!mipi->dms_mode) |
| 759 | return; |
| 760 | |
| 761 | ctrl_pdata = container_of(pdata, struct mdss_dsi_ctrl_pdata, |
| 762 | panel_data); |
| 763 | |
| 764 | if (mipi->dms_mode != DYNAMIC_MODE_RESOLUTION_SWITCH_IMMEDIATE) { |
| 765 | flags |= CMD_REQ_COMMIT; |
| 766 | if (mode == SWITCH_TO_CMD_MODE) |
| 767 | pcmds = &ctrl_pdata->video2cmd; |
| 768 | else |
| 769 | pcmds = &ctrl_pdata->cmd2video; |
| 770 | } else if ((mipi->dms_mode == |
| 771 | DYNAMIC_MODE_RESOLUTION_SWITCH_IMMEDIATE) |
| 772 | && pdata->current_timing |
| 773 | && !list_empty(&pdata->timings_list)) { |
| 774 | struct dsi_panel_timing *pt; |
| 775 | |
| 776 | pt = container_of(pdata->current_timing, |
| 777 | struct dsi_panel_timing, timing); |
| 778 | |
| 779 | pr_debug("%s: sending switch commands\n", __func__); |
| 780 | pcmds = &pt->switch_cmds; |
| 781 | flags |= CMD_REQ_DMA_TPG; |
| 782 | flags |= CMD_REQ_COMMIT; |
| 783 | } else { |
| 784 | pr_warn("%s: Invalid mode switch attempted\n", __func__); |
| 785 | return; |
| 786 | } |
| 787 | |
| 788 | if ((pdata->panel_info.compression_mode == COMPRESSION_DSC) && |
| 789 | (pdata->panel_info.send_pps_before_switch)) |
| 790 | mdss_dsi_panel_dsc_pps_send(ctrl_pdata, &pdata->panel_info); |
| 791 | |
| 792 | mdss_dsi_panel_cmds_send(ctrl_pdata, pcmds, flags); |
| 793 | |
| 794 | if ((pdata->panel_info.compression_mode == COMPRESSION_DSC) && |
| 795 | (!pdata->panel_info.send_pps_before_switch)) |
| 796 | mdss_dsi_panel_dsc_pps_send(ctrl_pdata, &pdata->panel_info); |
| 797 | } |
| 798 | |
| 799 | static void mdss_dsi_panel_bl_ctrl(struct mdss_panel_data *pdata, |
| 800 | u32 bl_level) |
| 801 | { |
| 802 | struct mdss_dsi_ctrl_pdata *ctrl_pdata = NULL; |
| 803 | struct mdss_dsi_ctrl_pdata *sctrl = NULL; |
| 804 | |
| 805 | if (pdata == NULL) { |
| 806 | pr_err("%s: Invalid input data\n", __func__); |
| 807 | return; |
| 808 | } |
| 809 | |
| 810 | ctrl_pdata = container_of(pdata, struct mdss_dsi_ctrl_pdata, |
| 811 | panel_data); |
| 812 | |
| 813 | /* |
| 814 | * Some backlight controllers specify a minimum duty cycle |
| 815 | * for the backlight brightness. If the brightness is less |
| 816 | * than it, the controller can malfunction. |
| 817 | */ |
| 818 | |
| 819 | if ((bl_level < pdata->panel_info.bl_min) && (bl_level != 0)) |
| 820 | bl_level = pdata->panel_info.bl_min; |
| 821 | |
| 822 | switch (ctrl_pdata->bklt_ctrl) { |
| 823 | case BL_WLED: |
| 824 | led_trigger_event(bl_led_trigger, bl_level); |
| 825 | break; |
| 826 | case BL_PWM: |
| 827 | mdss_dsi_panel_bklt_pwm(ctrl_pdata, bl_level); |
| 828 | break; |
| 829 | case BL_DCS_CMD: |
| 830 | if (!mdss_dsi_sync_wait_enable(ctrl_pdata)) { |
| 831 | mdss_dsi_panel_bklt_dcs(ctrl_pdata, bl_level); |
| 832 | break; |
| 833 | } |
| 834 | /* |
| 835 | * DCS commands to update backlight are usually sent at |
| 836 | * the same time to both the controllers. However, if |
| 837 | * sync_wait is enabled, we need to ensure that the |
| 838 | * dcs commands are first sent to the non-trigger |
| 839 | * controller so that when the commands are triggered, |
| 840 | * both controllers receive it at the same time. |
| 841 | */ |
| 842 | sctrl = mdss_dsi_get_other_ctrl(ctrl_pdata); |
| 843 | if (mdss_dsi_sync_wait_trigger(ctrl_pdata)) { |
| 844 | if (sctrl) |
| 845 | mdss_dsi_panel_bklt_dcs(sctrl, bl_level); |
| 846 | mdss_dsi_panel_bklt_dcs(ctrl_pdata, bl_level); |
| 847 | } else { |
| 848 | mdss_dsi_panel_bklt_dcs(ctrl_pdata, bl_level); |
| 849 | if (sctrl) |
| 850 | mdss_dsi_panel_bklt_dcs(sctrl, bl_level); |
| 851 | } |
| 852 | break; |
| 853 | default: |
| 854 | pr_err("%s: Unknown bl_ctrl configuration\n", |
| 855 | __func__); |
| 856 | break; |
| 857 | } |
| 858 | } |
| 859 | |
| 860 | #ifdef TARGET_HW_MDSS_HDMI |
| 861 | static void mdss_dsi_panel_on_hdmi(struct mdss_dsi_ctrl_pdata *ctrl, |
| 862 | struct mdss_panel_info *pinfo) |
| 863 | { |
| 864 | if (ctrl->ds_registered) |
| 865 | mdss_dba_utils_video_on(pinfo->dba_data, pinfo); |
| 866 | } |
| 867 | #else |
| 868 | static void mdss_dsi_panel_on_hdmi(struct mdss_dsi_ctrl_pdata *ctrl, |
| 869 | struct mdss_panel_info *pinfo) |
| 870 | { |
| 871 | (void)(*ctrl); |
| 872 | (void)(*pinfo); |
| 873 | } |
| 874 | #endif |
| 875 | |
| 876 | static int mdss_dsi_panel_on(struct mdss_panel_data *pdata) |
| 877 | { |
| 878 | struct mdss_dsi_ctrl_pdata *ctrl = NULL; |
| 879 | struct mdss_panel_info *pinfo; |
| 880 | struct dsi_panel_cmds *on_cmds; |
| 881 | int ret = 0; |
| 882 | |
| 883 | if (pdata == NULL) { |
| 884 | pr_err("%s: Invalid input data\n", __func__); |
| 885 | return -EINVAL; |
| 886 | } |
| 887 | |
| 888 | pinfo = &pdata->panel_info; |
| 889 | ctrl = container_of(pdata, struct mdss_dsi_ctrl_pdata, |
| 890 | panel_data); |
| 891 | |
| 892 | pr_debug("%s: ndx=%d\n", __func__, ctrl->ndx); |
| 893 | |
| 894 | if (pinfo->dcs_cmd_by_left) { |
| 895 | if (ctrl->ndx != DSI_CTRL_LEFT) |
| 896 | goto end; |
| 897 | } |
| 898 | |
| 899 | on_cmds = &ctrl->on_cmds; |
| 900 | |
| 901 | if ((pinfo->mipi.dms_mode == DYNAMIC_MODE_SWITCH_IMMEDIATE) && |
| 902 | (pinfo->mipi.boot_mode != pinfo->mipi.mode)) |
| 903 | on_cmds = &ctrl->post_dms_on_cmds; |
| 904 | |
| 905 | pr_debug("%s: ndx=%d cmd_cnt=%d\n", __func__, |
| 906 | ctrl->ndx, on_cmds->cmd_cnt); |
| 907 | |
| 908 | if (on_cmds->cmd_cnt) |
| 909 | mdss_dsi_panel_cmds_send(ctrl, on_cmds, CMD_REQ_COMMIT); |
| 910 | |
| 911 | if (pinfo->compression_mode == COMPRESSION_DSC) |
| 912 | mdss_dsi_panel_dsc_pps_send(ctrl, pinfo); |
| 913 | |
| 914 | mdss_dsi_panel_on_hdmi(ctrl, pinfo); |
| 915 | |
| 916 | /* Ensure low persistence mode is set as before */ |
| 917 | mdss_dsi_panel_apply_display_setting(pdata, pinfo->persist_mode); |
| 918 | |
| 919 | end: |
| 920 | pr_debug("%s:-\n", __func__); |
| 921 | return ret; |
| 922 | } |
| 923 | |
| 924 | #ifdef TARGET_HW_MDSS_HDMI |
| 925 | static void mdss_dsi_post_panel_on_hdmi(struct mdss_panel_info *pinfo) |
| 926 | { |
| 927 | u32 vsync_period = 0; |
| 928 | |
| 929 | if (pinfo->is_dba_panel && pinfo->is_pluggable) { |
| 930 | /* ensure at least 1 frame transfers to down stream device */ |
| 931 | vsync_period = (MSEC_PER_SEC / pinfo->mipi.frame_rate) + 1; |
| 932 | msleep(vsync_period); |
| 933 | mdss_dba_utils_hdcp_enable(pinfo->dba_data, true); |
| 934 | } |
| 935 | } |
| 936 | #else |
| 937 | static void mdss_dsi_post_panel_on_hdmi(struct mdss_panel_info *pinfo) |
| 938 | { |
| 939 | (void)(*pinfo); |
| 940 | } |
| 941 | #endif |
| 942 | |
| 943 | static int mdss_dsi_post_panel_on(struct mdss_panel_data *pdata) |
| 944 | { |
| 945 | struct mdss_dsi_ctrl_pdata *ctrl = NULL; |
| 946 | struct mdss_panel_info *pinfo; |
| 947 | struct dsi_panel_cmds *cmds; |
| 948 | |
| 949 | if (pdata == NULL) { |
| 950 | pr_err("%s: Invalid input data\n", __func__); |
| 951 | return -EINVAL; |
| 952 | } |
| 953 | |
| 954 | ctrl = container_of(pdata, struct mdss_dsi_ctrl_pdata, |
| 955 | panel_data); |
| 956 | |
| 957 | pr_debug("%s: ctrl=%pK ndx=%d\n", __func__, ctrl, ctrl->ndx); |
| 958 | |
| 959 | pinfo = &pdata->panel_info; |
| 960 | if (pinfo->dcs_cmd_by_left && ctrl->ndx != DSI_CTRL_LEFT) |
| 961 | goto end; |
| 962 | |
| 963 | cmds = &ctrl->post_panel_on_cmds; |
| 964 | if (cmds->cmd_cnt) { |
| 965 | msleep(VSYNC_DELAY); /* wait for a vsync passed */ |
| 966 | mdss_dsi_panel_cmds_send(ctrl, cmds, CMD_REQ_COMMIT); |
| 967 | } |
| 968 | |
| 969 | mdss_dsi_post_panel_on_hdmi(pinfo); |
| 970 | |
| 971 | end: |
| 972 | pr_debug("%s:-\n", __func__); |
| 973 | return 0; |
| 974 | } |
| 975 | |
| 976 | #ifdef TARGET_HW_MDSS_HDMI |
| 977 | static void mdss_dsi_panel_off_hdmi(struct mdss_dsi_ctrl_pdata *ctrl, |
| 978 | struct mdss_panel_info *pinfo) |
| 979 | { |
| 980 | if (ctrl->ds_registered && pinfo->is_pluggable) { |
| 981 | mdss_dba_utils_video_off(pinfo->dba_data); |
| 982 | mdss_dba_utils_hdcp_enable(pinfo->dba_data, false); |
| 983 | } |
| 984 | } |
| 985 | #else |
| 986 | static void mdss_dsi_panel_off_hdmi(struct mdss_dsi_ctrl_pdata *ctrl, |
| 987 | struct mdss_panel_info *pinfo) |
| 988 | { |
| 989 | (void)(*ctrl); |
| 990 | (void)(*pinfo); |
| 991 | } |
| 992 | #endif |
| 993 | |
| 994 | static int mdss_dsi_panel_off(struct mdss_panel_data *pdata) |
| 995 | { |
| 996 | struct mdss_dsi_ctrl_pdata *ctrl = NULL; |
| 997 | struct mdss_panel_info *pinfo; |
| 998 | |
| 999 | if (pdata == NULL) { |
| 1000 | pr_err("%s: Invalid input data\n", __func__); |
| 1001 | return -EINVAL; |
| 1002 | } |
| 1003 | |
| 1004 | pinfo = &pdata->panel_info; |
| 1005 | ctrl = container_of(pdata, struct mdss_dsi_ctrl_pdata, |
| 1006 | panel_data); |
| 1007 | |
| 1008 | pr_debug("%s: ctrl=%pK ndx=%d\n", __func__, ctrl, ctrl->ndx); |
| 1009 | |
| 1010 | if (pinfo->dcs_cmd_by_left) { |
| 1011 | if (ctrl->ndx != DSI_CTRL_LEFT) |
| 1012 | goto end; |
| 1013 | } |
| 1014 | |
| 1015 | if (ctrl->off_cmds.cmd_cnt) |
| 1016 | mdss_dsi_panel_cmds_send(ctrl, &ctrl->off_cmds, CMD_REQ_COMMIT); |
| 1017 | |
| 1018 | mdss_dsi_panel_off_hdmi(ctrl, pinfo); |
| 1019 | |
| 1020 | end: |
| 1021 | /* clear idle state */ |
| 1022 | ctrl->idle = false; |
| 1023 | pr_debug("%s:-\n", __func__); |
| 1024 | return 0; |
| 1025 | } |
| 1026 | |
| 1027 | static int mdss_dsi_panel_low_power_config(struct mdss_panel_data *pdata, |
| 1028 | int enable) |
| 1029 | { |
| 1030 | struct mdss_dsi_ctrl_pdata *ctrl = NULL; |
| 1031 | struct mdss_panel_info *pinfo; |
| 1032 | |
| 1033 | if (pdata == NULL) { |
| 1034 | pr_err("%s: Invalid input data\n", __func__); |
| 1035 | return -EINVAL; |
| 1036 | } |
| 1037 | |
| 1038 | pinfo = &pdata->panel_info; |
| 1039 | ctrl = container_of(pdata, struct mdss_dsi_ctrl_pdata, |
| 1040 | panel_data); |
| 1041 | |
| 1042 | pr_debug("%s: ctrl=%pK ndx=%d enable=%d\n", __func__, ctrl, ctrl->ndx, |
| 1043 | enable); |
| 1044 | |
| 1045 | /* Any panel specific low power commands/config */ |
| 1046 | /* Control idle mode for panel */ |
| 1047 | if (enable) |
| 1048 | mdss_dsi_panel_set_idle_mode(pdata, true); |
| 1049 | else |
| 1050 | mdss_dsi_panel_set_idle_mode(pdata, false); |
| 1051 | pr_debug("%s:-\n", __func__); |
| 1052 | return 0; |
| 1053 | } |
| 1054 | |
| 1055 | static void mdss_dsi_parse_trigger(struct device_node *np, char *trigger, |
| 1056 | char *trigger_key) |
| 1057 | { |
| 1058 | const char *data; |
| 1059 | |
| 1060 | *trigger = DSI_CMD_TRIGGER_SW; |
| 1061 | data = of_get_property(np, trigger_key, NULL); |
| 1062 | if (data) { |
| 1063 | if (!strcmp(data, "none")) |
| 1064 | *trigger = DSI_CMD_TRIGGER_NONE; |
| 1065 | else if (!strcmp(data, "trigger_te")) |
| 1066 | *trigger = DSI_CMD_TRIGGER_TE; |
| 1067 | else if (!strcmp(data, "trigger_sw_seof")) |
| 1068 | *trigger = DSI_CMD_TRIGGER_SW_SEOF; |
| 1069 | else if (!strcmp(data, "trigger_sw_te")) |
| 1070 | *trigger = DSI_CMD_TRIGGER_SW_TE; |
| 1071 | } |
| 1072 | } |
| 1073 | |
| 1074 | |
| 1075 | static int mdss_dsi_parse_dcs_cmds(struct device_node *np, |
| 1076 | struct dsi_panel_cmds *pcmds, char *cmd_key, char *link_key) |
| 1077 | { |
| 1078 | const char *data; |
| 1079 | int blen = 0, len; |
| 1080 | char *buf, *bp; |
| 1081 | struct dsi_ctrl_hdr *dchdr; |
| 1082 | int i, cnt; |
| 1083 | |
| 1084 | data = of_get_property(np, cmd_key, &blen); |
| 1085 | if (!data) { |
| 1086 | pr_err("%s: failed, key=%s\n", __func__, cmd_key); |
| 1087 | return -ENOMEM; |
| 1088 | } |
| 1089 | |
| 1090 | buf = kcalloc(blen, sizeof(char), GFP_KERNEL); |
| 1091 | if (!buf) |
| 1092 | return -ENOMEM; |
| 1093 | |
| 1094 | memcpy(buf, data, blen); |
| 1095 | |
| 1096 | /* scan dcs commands */ |
| 1097 | bp = buf; |
| 1098 | len = blen; |
| 1099 | cnt = 0; |
| 1100 | while (len >= sizeof(*dchdr)) { |
| 1101 | dchdr = (struct dsi_ctrl_hdr *)bp; |
| 1102 | dchdr->dlen = ntohs(dchdr->dlen); |
| 1103 | if (dchdr->dlen > len) { |
| 1104 | pr_err("%s: dtsi cmd=%x error, len=%d", |
| 1105 | __func__, dchdr->dtype, dchdr->dlen); |
| 1106 | goto exit_free; |
| 1107 | } |
| 1108 | bp += sizeof(*dchdr); |
| 1109 | len -= sizeof(*dchdr); |
| 1110 | bp += dchdr->dlen; |
| 1111 | len -= dchdr->dlen; |
| 1112 | cnt++; |
| 1113 | } |
| 1114 | |
| 1115 | if (len != 0) { |
| 1116 | pr_err("%s: dcs_cmd=%x len=%d error!", |
| 1117 | __func__, buf[0], blen); |
| 1118 | goto exit_free; |
| 1119 | } |
| 1120 | |
| 1121 | pcmds->cmds = kcalloc(cnt, sizeof(struct dsi_cmd_desc), |
| 1122 | GFP_KERNEL); |
| 1123 | if (!pcmds->cmds) |
| 1124 | goto exit_free; |
| 1125 | |
| 1126 | pcmds->cmd_cnt = cnt; |
| 1127 | pcmds->buf = buf; |
| 1128 | pcmds->blen = blen; |
| 1129 | |
| 1130 | bp = buf; |
| 1131 | len = blen; |
| 1132 | for (i = 0; i < cnt; i++) { |
| 1133 | dchdr = (struct dsi_ctrl_hdr *)bp; |
| 1134 | len -= sizeof(*dchdr); |
| 1135 | bp += sizeof(*dchdr); |
| 1136 | pcmds->cmds[i].dchdr = *dchdr; |
| 1137 | pcmds->cmds[i].payload = bp; |
| 1138 | bp += dchdr->dlen; |
| 1139 | len -= dchdr->dlen; |
| 1140 | } |
| 1141 | |
| 1142 | /*Set default link state to LP Mode*/ |
| 1143 | pcmds->link_state = DSI_LP_MODE; |
| 1144 | |
| 1145 | if (link_key) { |
| 1146 | data = of_get_property(np, link_key, NULL); |
| 1147 | if (data && !strcmp(data, "dsi_hs_mode")) |
| 1148 | pcmds->link_state = DSI_HS_MODE; |
| 1149 | else |
| 1150 | pcmds->link_state = DSI_LP_MODE; |
| 1151 | } |
| 1152 | |
| 1153 | pr_debug("%s: dcs_cmd=%x len=%d, cmd_cnt=%d link_state=%d\n", __func__, |
| 1154 | pcmds->buf[0], pcmds->blen, pcmds->cmd_cnt, pcmds->link_state); |
| 1155 | |
| 1156 | return 0; |
| 1157 | |
| 1158 | exit_free: |
| 1159 | kfree(buf); |
| 1160 | return -ENOMEM; |
| 1161 | } |
| 1162 | |
| 1163 | |
| 1164 | int mdss_panel_get_dst_fmt(u32 bpp, char mipi_mode, u32 pixel_packing, |
| 1165 | char *dst_format) |
| 1166 | { |
| 1167 | int rc = 0; |
| 1168 | |
| 1169 | switch (bpp) { |
| 1170 | case 3: |
| 1171 | *dst_format = DSI_CMD_DST_FORMAT_RGB111; |
| 1172 | break; |
| 1173 | case 8: |
| 1174 | *dst_format = DSI_CMD_DST_FORMAT_RGB332; |
| 1175 | break; |
| 1176 | case 12: |
| 1177 | *dst_format = DSI_CMD_DST_FORMAT_RGB444; |
| 1178 | break; |
| 1179 | case 16: |
| 1180 | switch (mipi_mode) { |
| 1181 | case DSI_VIDEO_MODE: |
| 1182 | *dst_format = DSI_VIDEO_DST_FORMAT_RGB565; |
| 1183 | break; |
| 1184 | case DSI_CMD_MODE: |
| 1185 | *dst_format = DSI_CMD_DST_FORMAT_RGB565; |
| 1186 | break; |
| 1187 | default: |
| 1188 | *dst_format = DSI_VIDEO_DST_FORMAT_RGB565; |
| 1189 | break; |
| 1190 | } |
| 1191 | break; |
| 1192 | case 18: |
| 1193 | switch (mipi_mode) { |
| 1194 | case DSI_VIDEO_MODE: |
| 1195 | if (pixel_packing == 0) |
| 1196 | *dst_format = DSI_VIDEO_DST_FORMAT_RGB666; |
| 1197 | else |
| 1198 | *dst_format = DSI_VIDEO_DST_FORMAT_RGB666_LOOSE; |
| 1199 | break; |
| 1200 | case DSI_CMD_MODE: |
| 1201 | *dst_format = DSI_CMD_DST_FORMAT_RGB666; |
| 1202 | break; |
| 1203 | default: |
| 1204 | if (pixel_packing == 0) |
| 1205 | *dst_format = DSI_VIDEO_DST_FORMAT_RGB666; |
| 1206 | else |
| 1207 | *dst_format = DSI_VIDEO_DST_FORMAT_RGB666_LOOSE; |
| 1208 | break; |
| 1209 | } |
| 1210 | break; |
| 1211 | case 24: |
| 1212 | switch (mipi_mode) { |
| 1213 | case DSI_VIDEO_MODE: |
| 1214 | *dst_format = DSI_VIDEO_DST_FORMAT_RGB888; |
| 1215 | break; |
| 1216 | case DSI_CMD_MODE: |
| 1217 | *dst_format = DSI_CMD_DST_FORMAT_RGB888; |
| 1218 | break; |
| 1219 | default: |
| 1220 | *dst_format = DSI_VIDEO_DST_FORMAT_RGB888; |
| 1221 | break; |
| 1222 | } |
| 1223 | break; |
| 1224 | default: |
| 1225 | rc = -EINVAL; |
| 1226 | break; |
| 1227 | } |
| 1228 | return rc; |
| 1229 | } |
| 1230 | |
| 1231 | static int mdss_dsi_parse_fbc_params(struct device_node *np, |
| 1232 | struct mdss_panel_timing *timing) |
| 1233 | { |
| 1234 | int rc, fbc_enabled = 0; |
| 1235 | u32 tmp; |
| 1236 | struct fbc_panel_info *fbc = &timing->fbc; |
| 1237 | |
| 1238 | fbc_enabled = of_property_read_bool(np, "qcom,mdss-dsi-fbc-enable"); |
| 1239 | if (fbc_enabled) { |
| 1240 | pr_debug("%s:%d FBC panel enabled.\n", __func__, __LINE__); |
| 1241 | fbc->enabled = 1; |
| 1242 | rc = of_property_read_u32(np, "qcom,mdss-dsi-fbc-bpp", &tmp); |
| 1243 | fbc->target_bpp = (!rc ? tmp : 24); |
| 1244 | rc = of_property_read_u32(np, "qcom,mdss-dsi-fbc-packing", |
| 1245 | &tmp); |
| 1246 | fbc->comp_mode = (!rc ? tmp : 0); |
| 1247 | fbc->qerr_enable = of_property_read_bool(np, |
| 1248 | "qcom,mdss-dsi-fbc-quant-error"); |
| 1249 | rc = of_property_read_u32(np, "qcom,mdss-dsi-fbc-bias", &tmp); |
| 1250 | fbc->cd_bias = (!rc ? tmp : 0); |
| 1251 | fbc->pat_enable = of_property_read_bool(np, |
| 1252 | "qcom,mdss-dsi-fbc-pat-mode"); |
| 1253 | fbc->vlc_enable = of_property_read_bool(np, |
| 1254 | "qcom,mdss-dsi-fbc-vlc-mode"); |
| 1255 | fbc->bflc_enable = of_property_read_bool(np, |
| 1256 | "qcom,mdss-dsi-fbc-bflc-mode"); |
| 1257 | rc = of_property_read_u32(np, "qcom,mdss-dsi-fbc-h-line-budget", |
| 1258 | &tmp); |
| 1259 | fbc->line_x_budget = (!rc ? tmp : 0); |
| 1260 | rc = of_property_read_u32(np, "qcom,mdss-dsi-fbc-budget-ctrl", |
| 1261 | &tmp); |
| 1262 | fbc->block_x_budget = (!rc ? tmp : 0); |
| 1263 | rc = of_property_read_u32(np, "qcom,mdss-dsi-fbc-block-budget", |
| 1264 | &tmp); |
| 1265 | fbc->block_budget = (!rc ? tmp : 0); |
| 1266 | rc = of_property_read_u32(np, |
| 1267 | "qcom,mdss-dsi-fbc-lossless-threshold", &tmp); |
| 1268 | fbc->lossless_mode_thd = (!rc ? tmp : 0); |
| 1269 | rc = of_property_read_u32(np, |
| 1270 | "qcom,mdss-dsi-fbc-lossy-threshold", &tmp); |
| 1271 | fbc->lossy_mode_thd = (!rc ? tmp : 0); |
| 1272 | rc = of_property_read_u32(np, "qcom,mdss-dsi-fbc-rgb-threshold", |
| 1273 | &tmp); |
| 1274 | fbc->lossy_rgb_thd = (!rc ? tmp : 0); |
| 1275 | rc = of_property_read_u32(np, |
| 1276 | "qcom,mdss-dsi-fbc-lossy-mode-idx", &tmp); |
| 1277 | fbc->lossy_mode_idx = (!rc ? tmp : 0); |
| 1278 | rc = of_property_read_u32(np, |
| 1279 | "qcom,mdss-dsi-fbc-slice-height", &tmp); |
| 1280 | fbc->slice_height = (!rc ? tmp : 0); |
| 1281 | fbc->pred_mode = of_property_read_bool(np, |
| 1282 | "qcom,mdss-dsi-fbc-2d-pred-mode"); |
| 1283 | fbc->enc_mode = of_property_read_bool(np, |
| 1284 | "qcom,mdss-dsi-fbc-ver2-mode"); |
| 1285 | rc = of_property_read_u32(np, |
| 1286 | "qcom,mdss-dsi-fbc-max-pred-err", &tmp); |
| 1287 | fbc->max_pred_err = (!rc ? tmp : 0); |
| 1288 | |
| 1289 | timing->compression_mode = COMPRESSION_FBC; |
| 1290 | } else { |
| 1291 | pr_debug("%s:%d Panel does not support FBC.\n", |
| 1292 | __func__, __LINE__); |
| 1293 | fbc->enabled = 0; |
| 1294 | fbc->target_bpp = 24; |
| 1295 | } |
| 1296 | return 0; |
| 1297 | } |
| 1298 | |
| 1299 | void mdss_dsi_panel_dsc_pps_send(struct mdss_dsi_ctrl_pdata *ctrl, |
| 1300 | struct mdss_panel_info *pinfo) |
| 1301 | { |
| 1302 | struct dsi_panel_cmds pcmds; |
| 1303 | struct dsi_cmd_desc cmd; |
| 1304 | |
| 1305 | if (!pinfo || (pinfo->compression_mode != COMPRESSION_DSC)) |
| 1306 | return; |
| 1307 | |
| 1308 | memset(&pcmds, 0, sizeof(pcmds)); |
| 1309 | memset(&cmd, 0, sizeof(cmd)); |
| 1310 | |
| 1311 | cmd.dchdr.dlen = mdss_panel_dsc_prepare_pps_buf(&pinfo->dsc, |
| 1312 | ctrl->pps_buf, 0); |
| 1313 | cmd.dchdr.dtype = DTYPE_PPS; |
| 1314 | cmd.dchdr.last = 1; |
| 1315 | cmd.dchdr.wait = 10; |
| 1316 | cmd.dchdr.vc = 0; |
| 1317 | cmd.dchdr.ack = 0; |
| 1318 | cmd.payload = ctrl->pps_buf; |
| 1319 | |
| 1320 | pcmds.cmd_cnt = 1; |
| 1321 | pcmds.cmds = &cmd; |
| 1322 | pcmds.link_state = DSI_LP_MODE; |
| 1323 | |
| 1324 | mdss_dsi_panel_cmds_send(ctrl, &pcmds, CMD_REQ_COMMIT); |
| 1325 | } |
| 1326 | |
| 1327 | static int mdss_dsi_parse_hdr_settings(struct device_node *np, |
| 1328 | struct mdss_panel_info *pinfo) |
| 1329 | { |
| 1330 | int rc = 0; |
| 1331 | struct mdss_panel_hdr_properties *hdr_prop; |
| 1332 | |
| 1333 | if (!np) { |
| 1334 | pr_err("%s: device node pointer is NULL\n", __func__); |
| 1335 | return -EINVAL; |
| 1336 | } |
| 1337 | |
| 1338 | if (!pinfo) { |
| 1339 | pr_err("%s: panel info is NULL\n", __func__); |
| 1340 | return -EINVAL; |
| 1341 | } |
| 1342 | |
| 1343 | hdr_prop = &pinfo->hdr_properties; |
| 1344 | hdr_prop->hdr_enabled = of_property_read_bool(np, |
| 1345 | "qcom,mdss-dsi-panel-hdr-enabled"); |
| 1346 | |
| 1347 | if (hdr_prop->hdr_enabled) { |
| 1348 | rc = of_property_read_u32_array(np, |
| 1349 | "qcom,mdss-dsi-panel-hdr-color-primaries", |
| 1350 | hdr_prop->display_primaries, |
| 1351 | DISPLAY_PRIMARIES_COUNT); |
| 1352 | if (rc) { |
| 1353 | pr_info("%s:%d, Unable to read color primaries,rc:%u", |
| 1354 | __func__, __LINE__, |
| 1355 | hdr_prop->hdr_enabled = false); |
| 1356 | } |
| 1357 | |
| 1358 | rc = of_property_read_u32(np, |
| 1359 | "qcom,mdss-dsi-panel-peak-brightness", |
| 1360 | &(hdr_prop->peak_brightness)); |
| 1361 | if (rc) { |
| 1362 | pr_info("%s:%d, Unable to read hdr brightness, rc:%u", |
| 1363 | __func__, __LINE__, rc); |
| 1364 | hdr_prop->hdr_enabled = false; |
| 1365 | } |
| 1366 | |
| 1367 | rc = of_property_read_u32(np, |
| 1368 | "qcom,mdss-dsi-panel-blackness-level", |
| 1369 | &(hdr_prop->blackness_level)); |
| 1370 | if (rc) { |
| 1371 | pr_info("%s:%d, Unable to read hdr brightness, rc:%u", |
| 1372 | __func__, __LINE__, rc); |
| 1373 | hdr_prop->hdr_enabled = false; |
| 1374 | } |
| 1375 | } |
| 1376 | return 0; |
| 1377 | } |
| 1378 | |
| 1379 | static int mdss_dsi_parse_dsc_version(struct device_node *np, |
| 1380 | struct mdss_panel_timing *timing) |
| 1381 | { |
| 1382 | u32 data; |
| 1383 | int rc = 0; |
| 1384 | struct dsc_desc *dsc = &timing->dsc; |
| 1385 | |
| 1386 | rc = of_property_read_u32(np, "qcom,mdss-dsc-version", &data); |
| 1387 | if (rc) { |
| 1388 | dsc->version = 0x11; |
| 1389 | rc = 0; |
| 1390 | } else { |
| 1391 | dsc->version = data & 0xff; |
| 1392 | /* only support DSC 1.1 rev */ |
| 1393 | if (dsc->version != 0x11) { |
| 1394 | pr_err("%s: DSC version:%d not supported\n", __func__, |
| 1395 | dsc->version); |
| 1396 | rc = -EINVAL; |
| 1397 | goto end; |
| 1398 | } |
| 1399 | } |
| 1400 | |
| 1401 | rc = of_property_read_u32(np, "qcom,mdss-dsc-scr-version", &data); |
| 1402 | if (rc) { |
| 1403 | dsc->scr_rev = 0x0; |
| 1404 | rc = 0; |
| 1405 | } else { |
| 1406 | dsc->scr_rev = data & 0xff; |
| 1407 | /* only one scr rev supported */ |
| 1408 | if (dsc->scr_rev > 0x1) { |
| 1409 | pr_err("%s: DSC scr version:%d not supported\n", |
| 1410 | __func__, dsc->scr_rev); |
| 1411 | rc = -EINVAL; |
| 1412 | goto end; |
| 1413 | } |
| 1414 | } |
| 1415 | |
| 1416 | end: |
| 1417 | return rc; |
| 1418 | } |
| 1419 | |
| 1420 | static int mdss_dsi_parse_dsc_params(struct device_node *np, |
| 1421 | struct mdss_panel_timing *timing, bool is_split_display) |
| 1422 | { |
| 1423 | u32 data, intf_width; |
| 1424 | int rc = 0; |
| 1425 | struct dsc_desc *dsc = &timing->dsc; |
| 1426 | |
| 1427 | if (!np) { |
| 1428 | pr_err("%s: device node pointer is NULL\n", __func__); |
| 1429 | return -EINVAL; |
| 1430 | } |
| 1431 | |
| 1432 | rc = of_property_read_u32(np, "qcom,mdss-dsc-encoders", &data); |
| 1433 | if (rc) { |
| 1434 | if (!of_find_property(np, "qcom,mdss-dsc-encoders", NULL)) { |
| 1435 | /* property is not defined, default to 1 */ |
| 1436 | data = 1; |
| 1437 | } else { |
| 1438 | pr_err("%s: Error parsing qcom,mdss-dsc-encoders\n", |
| 1439 | __func__); |
| 1440 | goto end; |
| 1441 | } |
| 1442 | } |
| 1443 | |
| 1444 | timing->dsc_enc_total = data; |
| 1445 | |
| 1446 | if (is_split_display && (timing->dsc_enc_total > 1)) { |
| 1447 | pr_err("%s: Error: for split displays, more than 1 dsc encoder per panel is not allowed.\n", |
| 1448 | __func__); |
| 1449 | goto end; |
| 1450 | } |
| 1451 | |
| 1452 | rc = of_property_read_u32(np, "qcom,mdss-dsc-slice-height", &data); |
| 1453 | if (rc) |
| 1454 | goto end; |
| 1455 | dsc->slice_height = data; |
| 1456 | |
| 1457 | rc = of_property_read_u32(np, "qcom,mdss-dsc-slice-width", &data); |
| 1458 | if (rc) |
| 1459 | goto end; |
| 1460 | dsc->slice_width = data; |
| 1461 | intf_width = timing->xres; |
| 1462 | |
| 1463 | if (intf_width % dsc->slice_width) { |
| 1464 | pr_err("%s: Error: multiple of slice-width:%d should match panel-width:%d\n", |
| 1465 | __func__, dsc->slice_width, intf_width); |
| 1466 | goto end; |
| 1467 | } |
| 1468 | |
| 1469 | data = intf_width / dsc->slice_width; |
| 1470 | if (((timing->dsc_enc_total > 1) && ((data != 2) && (data != 4))) || |
| 1471 | ((timing->dsc_enc_total == 1) && (data > 2))) { |
| 1472 | pr_err("%s: Error: max 2 slice per encoder. slice-width:%d should match panel-width:%d dsc_enc_total:%d\n", |
| 1473 | __func__, dsc->slice_width, |
| 1474 | intf_width, timing->dsc_enc_total); |
| 1475 | goto end; |
| 1476 | } |
| 1477 | |
| 1478 | rc = of_property_read_u32(np, "qcom,mdss-dsc-slice-per-pkt", &data); |
| 1479 | if (rc) |
| 1480 | goto end; |
| 1481 | dsc->slice_per_pkt = data; |
| 1482 | |
| 1483 | /* |
| 1484 | * slice_per_pkt can be either 1 or all slices_per_intf |
| 1485 | */ |
| 1486 | if ((dsc->slice_per_pkt > 1) && (dsc->slice_per_pkt != |
| 1487 | DIV_ROUND_UP(intf_width, dsc->slice_width))) { |
| 1488 | pr_err("Error: slice_per_pkt can be either 1 or all slices_per_intf\n"); |
| 1489 | pr_err("%s: slice_per_pkt=%d, slice_width=%d intf_width=%d\n", |
| 1490 | __func__, |
| 1491 | dsc->slice_per_pkt, dsc->slice_width, intf_width); |
| 1492 | rc = -EINVAL; |
| 1493 | goto end; |
| 1494 | } |
| 1495 | |
| 1496 | pr_debug("%s: num_enc:%d :slice h=%d w=%d s_pkt=%d\n", __func__, |
| 1497 | timing->dsc_enc_total, dsc->slice_height, |
| 1498 | dsc->slice_width, dsc->slice_per_pkt); |
| 1499 | |
| 1500 | rc = of_property_read_u32(np, "qcom,mdss-dsc-bit-per-component", &data); |
| 1501 | if (rc) |
| 1502 | goto end; |
| 1503 | dsc->bpc = data; |
| 1504 | |
| 1505 | rc = of_property_read_u32(np, "qcom,mdss-dsc-bit-per-pixel", &data); |
| 1506 | if (rc) |
| 1507 | goto end; |
| 1508 | dsc->bpp = data; |
| 1509 | |
| 1510 | pr_debug("%s: bpc=%d bpp=%d\n", __func__, |
| 1511 | dsc->bpc, dsc->bpp); |
| 1512 | |
| 1513 | dsc->block_pred_enable = of_property_read_bool(np, |
| 1514 | "qcom,mdss-dsc-block-prediction-enable"); |
| 1515 | |
| 1516 | dsc->enable_422 = 0; |
| 1517 | dsc->convert_rgb = 1; |
| 1518 | dsc->vbr_enable = 0; |
| 1519 | |
| 1520 | dsc->config_by_manufacture_cmd = of_property_read_bool(np, |
| 1521 | "qcom,mdss-dsc-config-by-manufacture-cmd"); |
| 1522 | |
| 1523 | mdss_panel_dsc_parameters_calc(&timing->dsc); |
| 1524 | mdss_panel_dsc_pclk_param_calc(&timing->dsc, intf_width); |
| 1525 | |
| 1526 | timing->dsc.full_frame_slices = |
| 1527 | DIV_ROUND_UP(intf_width, timing->dsc.slice_width); |
| 1528 | |
| 1529 | timing->compression_mode = COMPRESSION_DSC; |
| 1530 | |
| 1531 | end: |
| 1532 | return rc; |
| 1533 | } |
| 1534 | |
| 1535 | static struct device_node *mdss_dsi_panel_get_dsc_cfg_np( |
| 1536 | struct device_node *np, struct mdss_panel_data *panel_data, |
| 1537 | bool default_timing) |
| 1538 | { |
| 1539 | struct device_node *dsc_cfg_np = NULL; |
| 1540 | |
| 1541 | |
| 1542 | /* Read the dsc config node specified by command line */ |
| 1543 | if (default_timing) { |
| 1544 | dsc_cfg_np = of_get_child_by_name(np, |
| 1545 | panel_data->dsc_cfg_np_name); |
| 1546 | if (!dsc_cfg_np) |
| 1547 | pr_warn_once("%s: cannot find dsc config node:%s\n", |
| 1548 | __func__, panel_data->dsc_cfg_np_name); |
| 1549 | } |
| 1550 | |
| 1551 | /* |
| 1552 | * Fall back to default from DT as nothing is specified |
| 1553 | * in command line. |
| 1554 | */ |
| 1555 | if (!dsc_cfg_np && of_find_property(np, "qcom,config-select", NULL)) { |
| 1556 | dsc_cfg_np = of_parse_phandle(np, "qcom,config-select", 0); |
| 1557 | if (!dsc_cfg_np) |
| 1558 | pr_warn_once("%s:err parsing qcom,config-select\n", |
| 1559 | __func__); |
| 1560 | } |
| 1561 | |
| 1562 | return dsc_cfg_np; |
| 1563 | } |
| 1564 | |
| 1565 | static int mdss_dsi_parse_topology_config(struct device_node *np, |
| 1566 | struct dsi_panel_timing *pt, struct mdss_panel_data *panel_data, |
| 1567 | bool default_timing) |
| 1568 | { |
| 1569 | int rc = 0; |
| 1570 | bool is_split_display = panel_data->panel_info.is_split_display; |
| 1571 | const char *data; |
| 1572 | struct mdss_panel_timing *timing = &pt->timing; |
| 1573 | struct mdss_dsi_ctrl_pdata *ctrl_pdata = NULL; |
| 1574 | struct mdss_panel_info *pinfo; |
| 1575 | struct device_node *cfg_np = NULL; |
| 1576 | |
| 1577 | ctrl_pdata = container_of(panel_data, struct mdss_dsi_ctrl_pdata, |
| 1578 | panel_data); |
| 1579 | pinfo = &ctrl_pdata->panel_data.panel_info; |
| 1580 | |
| 1581 | cfg_np = mdss_dsi_panel_get_dsc_cfg_np(np, |
| 1582 | &ctrl_pdata->panel_data, default_timing); |
| 1583 | |
| 1584 | if (cfg_np) { |
| 1585 | if (!of_property_read_u32_array(cfg_np, "qcom,lm-split", |
| 1586 | timing->lm_widths, 2)) { |
| 1587 | if (mdss_dsi_is_hw_config_split(ctrl_pdata->shared_data) |
| 1588 | && (timing->lm_widths[1] != 0)) { |
| 1589 | pr_err("%s: lm-split not allowed with split display\n", |
| 1590 | __func__); |
| 1591 | rc = -EINVAL; |
| 1592 | goto end; |
| 1593 | } |
| 1594 | } |
Naseer Ahmed | 143b89b | 2016-12-22 16:19:10 -0500 | [diff] [blame] | 1595 | |
| 1596 | if (!of_property_read_string(cfg_np, "qcom,split-mode", |
| 1597 | &data) && !strcmp(data, "pingpong-split")) |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1598 | pinfo->use_pingpong_split = true; |
| 1599 | |
| 1600 | if (((timing->lm_widths[0]) || (timing->lm_widths[1])) && |
| 1601 | pinfo->use_pingpong_split) { |
| 1602 | pr_err("%s: pingpong_split cannot be used when lm-split[%d,%d] is specified\n", |
| 1603 | __func__, |
| 1604 | timing->lm_widths[0], timing->lm_widths[1]); |
| 1605 | return -EINVAL; |
| 1606 | } |
| 1607 | |
| 1608 | pr_info("%s: cfg_node name %s lm_split:%dx%d pp_split:%s\n", |
| 1609 | __func__, cfg_np->name, |
| 1610 | timing->lm_widths[0], timing->lm_widths[1], |
| 1611 | pinfo->use_pingpong_split ? "yes" : "no"); |
| 1612 | } |
| 1613 | |
| 1614 | if (!pinfo->use_pingpong_split && |
| 1615 | (timing->lm_widths[0] == 0) && (timing->lm_widths[1] == 0)) |
| 1616 | timing->lm_widths[0] = pt->timing.xres; |
| 1617 | |
| 1618 | data = of_get_property(np, "qcom,compression-mode", NULL); |
| 1619 | if (data) { |
| 1620 | if (cfg_np && !strcmp(data, "dsc")) { |
| 1621 | rc = mdss_dsi_parse_dsc_version(np, &pt->timing); |
| 1622 | if (rc) |
| 1623 | goto end; |
| 1624 | |
| 1625 | pinfo->send_pps_before_switch = |
| 1626 | of_property_read_bool(np, |
| 1627 | "qcom,mdss-dsi-send-pps-before-switch"); |
| 1628 | |
| 1629 | rc = mdss_dsi_parse_dsc_params(cfg_np, &pt->timing, |
| 1630 | is_split_display); |
| 1631 | } else if (!strcmp(data, "fbc")) { |
| 1632 | rc = mdss_dsi_parse_fbc_params(np, &pt->timing); |
| 1633 | } |
| 1634 | } |
| 1635 | |
| 1636 | end: |
| 1637 | of_node_put(cfg_np); |
| 1638 | return rc; |
| 1639 | } |
| 1640 | |
| 1641 | static void mdss_panel_parse_te_params(struct device_node *np, |
| 1642 | struct mdss_panel_timing *timing) |
| 1643 | { |
| 1644 | struct mdss_mdp_pp_tear_check *te = &timing->te; |
| 1645 | u32 tmp; |
| 1646 | int rc = 0; |
| 1647 | /* |
| 1648 | * TE default: dsi byte clock calculated base on 70 fps; |
| 1649 | * around 14 ms to complete a kickoff cycle if te disabled; |
| 1650 | * vclk_line base on 60 fps; write is faster than read; |
| 1651 | * init == start == rdptr; |
| 1652 | */ |
| 1653 | te->tear_check_en = |
| 1654 | !of_property_read_bool(np, "qcom,mdss-tear-check-disable"); |
| 1655 | rc = of_property_read_u32 |
| 1656 | (np, "qcom,mdss-tear-check-sync-cfg-height", &tmp); |
| 1657 | te->sync_cfg_height = (!rc ? tmp : 0xfff0); |
| 1658 | rc = of_property_read_u32 |
| 1659 | (np, "qcom,mdss-tear-check-sync-init-val", &tmp); |
| 1660 | te->vsync_init_val = (!rc ? tmp : timing->yres); |
| 1661 | rc = of_property_read_u32 |
| 1662 | (np, "qcom,mdss-tear-check-sync-threshold-start", &tmp); |
| 1663 | te->sync_threshold_start = (!rc ? tmp : 4); |
| 1664 | rc = of_property_read_u32 |
| 1665 | (np, "qcom,mdss-tear-check-sync-threshold-continue", &tmp); |
| 1666 | te->sync_threshold_continue = (!rc ? tmp : 4); |
| 1667 | rc = of_property_read_u32(np, "qcom,mdss-tear-check-frame-rate", &tmp); |
| 1668 | te->refx100 = (!rc ? tmp : 6000); |
| 1669 | rc = of_property_read_u32 |
| 1670 | (np, "qcom,mdss-tear-check-start-pos", &tmp); |
| 1671 | te->start_pos = (!rc ? tmp : timing->yres); |
| 1672 | rc = of_property_read_u32 |
| 1673 | (np, "qcom,mdss-tear-check-rd-ptr-trigger-intr", &tmp); |
| 1674 | te->rd_ptr_irq = (!rc ? tmp : timing->yres + 1); |
| 1675 | te->wr_ptr_irq = 0; |
| 1676 | } |
| 1677 | |
| 1678 | |
| 1679 | static int mdss_dsi_parse_reset_seq(struct device_node *np, |
| 1680 | u32 rst_seq[MDSS_DSI_RST_SEQ_LEN], u32 *rst_len, |
| 1681 | const char *name) |
| 1682 | { |
| 1683 | int num = 0, i; |
| 1684 | int rc; |
| 1685 | struct property *data; |
| 1686 | u32 tmp[MDSS_DSI_RST_SEQ_LEN]; |
| 1687 | *rst_len = 0; |
| 1688 | data = of_find_property(np, name, &num); |
| 1689 | num /= sizeof(u32); |
| 1690 | if (!data || !num || num > MDSS_DSI_RST_SEQ_LEN || num % 2) { |
| 1691 | pr_debug("%s:%d, error reading %s, length found = %d\n", |
| 1692 | __func__, __LINE__, name, num); |
| 1693 | } else { |
| 1694 | rc = of_property_read_u32_array(np, name, tmp, num); |
| 1695 | if (rc) |
| 1696 | pr_debug("%s:%d, error reading %s, rc = %d\n", |
| 1697 | __func__, __LINE__, name, rc); |
| 1698 | else { |
| 1699 | for (i = 0; i < num; ++i) |
| 1700 | rst_seq[i] = tmp[i]; |
| 1701 | *rst_len = num; |
| 1702 | } |
| 1703 | } |
| 1704 | return 0; |
| 1705 | } |
| 1706 | |
| 1707 | static bool mdss_dsi_cmp_panel_reg_v2(struct mdss_dsi_ctrl_pdata *ctrl) |
| 1708 | { |
Ingrid Gallardo | 53795e7 | 2016-10-12 18:38:48 -0700 | [diff] [blame] | 1709 | int i, j = 0; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1710 | int len = 0, *lenp; |
| 1711 | int group = 0; |
| 1712 | |
| 1713 | lenp = ctrl->status_valid_params ?: ctrl->status_cmds_rlen; |
| 1714 | |
| 1715 | for (i = 0; i < ctrl->status_cmds.cmd_cnt; i++) |
| 1716 | len += lenp[i]; |
| 1717 | |
Ingrid Gallardo | 53795e7 | 2016-10-12 18:38:48 -0700 | [diff] [blame] | 1718 | for (i = 0; i < len; i++) { |
| 1719 | pr_debug("[%i] return:0x%x status:0x%x\n", |
| 1720 | i, (unsigned int)ctrl->return_buf[i], |
| 1721 | (unsigned int)ctrl->status_value[j + i]); |
| 1722 | MDSS_XLOG(ctrl->ndx, ctrl->return_buf[i], |
| 1723 | ctrl->status_value[j + i]); |
| 1724 | j += len; |
| 1725 | } |
| 1726 | |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1727 | for (j = 0; j < ctrl->groups; ++j) { |
| 1728 | for (i = 0; i < len; ++i) { |
| 1729 | if (ctrl->return_buf[i] != |
| 1730 | ctrl->status_value[group + i]) |
| 1731 | break; |
| 1732 | } |
| 1733 | |
| 1734 | if (i == len) |
| 1735 | return true; |
| 1736 | group += len; |
| 1737 | } |
| 1738 | |
| 1739 | return false; |
| 1740 | } |
| 1741 | |
| 1742 | static int mdss_dsi_gen_read_status(struct mdss_dsi_ctrl_pdata *ctrl_pdata) |
| 1743 | { |
| 1744 | if (!mdss_dsi_cmp_panel_reg_v2(ctrl_pdata)) { |
| 1745 | pr_err("%s: Read back value from panel is incorrect\n", |
| 1746 | __func__); |
| 1747 | return -EINVAL; |
| 1748 | } else { |
| 1749 | return 1; |
| 1750 | } |
| 1751 | } |
| 1752 | |
| 1753 | static int mdss_dsi_nt35596_read_status(struct mdss_dsi_ctrl_pdata *ctrl_pdata) |
| 1754 | { |
| 1755 | if (!mdss_dsi_cmp_panel_reg(ctrl_pdata->status_buf, |
| 1756 | ctrl_pdata->status_value, 0)) { |
| 1757 | ctrl_pdata->status_error_count = 0; |
| 1758 | pr_err("%s: Read back value from panel is incorrect\n", |
| 1759 | __func__); |
| 1760 | return -EINVAL; |
| 1761 | } |
| 1762 | { |
| 1763 | if (!mdss_dsi_cmp_panel_reg(ctrl_pdata->status_buf, |
| 1764 | ctrl_pdata->status_value, 3)) { |
| 1765 | ctrl_pdata->status_error_count = 0; |
| 1766 | } else { |
| 1767 | if (mdss_dsi_cmp_panel_reg(ctrl_pdata->status_buf, |
| 1768 | ctrl_pdata->status_value, 4) || |
| 1769 | mdss_dsi_cmp_panel_reg(ctrl_pdata->status_buf, |
| 1770 | ctrl_pdata->status_value, 5)) |
| 1771 | ctrl_pdata->status_error_count = 0; |
| 1772 | else |
| 1773 | ctrl_pdata->status_error_count++; |
| 1774 | if (ctrl_pdata->status_error_count >= |
| 1775 | ctrl_pdata->max_status_error_count) { |
| 1776 | ctrl_pdata->status_error_count = 0; |
| 1777 | pr_err("%s: Read value bad. Error_cnt = %i\n", |
| 1778 | __func__, |
| 1779 | ctrl_pdata->status_error_count); |
| 1780 | return -EINVAL; |
| 1781 | } |
| 1782 | } |
| 1783 | return 1; |
| 1784 | } |
| 1785 | } |
| 1786 | |
| 1787 | static void mdss_dsi_parse_roi_alignment(struct device_node *np, |
| 1788 | struct dsi_panel_timing *pt) |
| 1789 | { |
| 1790 | int len = 0; |
| 1791 | u32 value[6]; |
| 1792 | struct property *data; |
| 1793 | struct mdss_panel_timing *timing = &pt->timing; |
| 1794 | |
| 1795 | data = of_find_property(np, "qcom,panel-roi-alignment", &len); |
| 1796 | len /= sizeof(u32); |
| 1797 | if (!data || (len != 6)) { |
| 1798 | pr_debug("%s: Panel roi alignment not found", __func__); |
| 1799 | } else { |
| 1800 | int rc = of_property_read_u32_array(np, |
| 1801 | "qcom,panel-roi-alignment", value, len); |
| 1802 | if (rc) |
| 1803 | pr_debug("%s: Error reading panel roi alignment values", |
| 1804 | __func__); |
| 1805 | else { |
| 1806 | timing->roi_alignment.xstart_pix_align = value[0]; |
| 1807 | timing->roi_alignment.ystart_pix_align = value[1]; |
| 1808 | timing->roi_alignment.width_pix_align = value[2]; |
| 1809 | timing->roi_alignment.height_pix_align = value[3]; |
| 1810 | timing->roi_alignment.min_width = value[4]; |
| 1811 | timing->roi_alignment.min_height = value[5]; |
| 1812 | } |
| 1813 | |
| 1814 | pr_debug("%s: ROI alignment: [%d, %d, %d, %d, %d, %d]", |
| 1815 | __func__, timing->roi_alignment.xstart_pix_align, |
| 1816 | timing->roi_alignment.width_pix_align, |
| 1817 | timing->roi_alignment.ystart_pix_align, |
| 1818 | timing->roi_alignment.height_pix_align, |
| 1819 | timing->roi_alignment.min_width, |
| 1820 | timing->roi_alignment.min_height); |
| 1821 | } |
| 1822 | } |
| 1823 | |
| 1824 | static void mdss_dsi_parse_dms_config(struct device_node *np, |
| 1825 | struct mdss_dsi_ctrl_pdata *ctrl) |
| 1826 | { |
| 1827 | struct mdss_panel_info *pinfo = &ctrl->panel_data.panel_info; |
| 1828 | const char *data; |
| 1829 | bool dms_enabled; |
| 1830 | |
| 1831 | dms_enabled = of_property_read_bool(np, |
| 1832 | "qcom,dynamic-mode-switch-enabled"); |
| 1833 | |
| 1834 | if (!dms_enabled) { |
| 1835 | pinfo->mipi.dms_mode = DYNAMIC_MODE_SWITCH_DISABLED; |
| 1836 | goto exit; |
| 1837 | } |
| 1838 | |
| 1839 | /* default mode is suspend_resume */ |
| 1840 | pinfo->mipi.dms_mode = DYNAMIC_MODE_SWITCH_SUSPEND_RESUME; |
| 1841 | data = of_get_property(np, "qcom,dynamic-mode-switch-type", NULL); |
| 1842 | if (data && !strcmp(data, "dynamic-resolution-switch-immediate")) { |
| 1843 | if (!list_empty(&ctrl->panel_data.timings_list)) |
| 1844 | pinfo->mipi.dms_mode = |
| 1845 | DYNAMIC_MODE_RESOLUTION_SWITCH_IMMEDIATE; |
| 1846 | else |
| 1847 | pinfo->mipi.dms_mode = |
| 1848 | DYNAMIC_MODE_SWITCH_DISABLED; |
| 1849 | goto exit; |
| 1850 | } |
| 1851 | |
| 1852 | if (data && !strcmp(data, "dynamic-switch-immediate")) |
| 1853 | pinfo->mipi.dms_mode = DYNAMIC_MODE_SWITCH_IMMEDIATE; |
| 1854 | else |
| 1855 | pr_debug("%s: default dms suspend/resume\n", __func__); |
| 1856 | |
| 1857 | mdss_dsi_parse_dcs_cmds(np, &ctrl->video2cmd, |
Ingrid Gallardo | 259c4b0 | 2016-11-16 09:24:32 -0800 | [diff] [blame] | 1858 | "qcom,video-to-cmd-mode-switch-commands", |
| 1859 | "qcom,mode-switch-commands-state"); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1860 | |
| 1861 | mdss_dsi_parse_dcs_cmds(np, &ctrl->cmd2video, |
Ingrid Gallardo | 259c4b0 | 2016-11-16 09:24:32 -0800 | [diff] [blame] | 1862 | "qcom,cmd-to-video-mode-switch-commands", |
| 1863 | "qcom,mode-switch-commands-state"); |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 1864 | |
| 1865 | mdss_dsi_parse_dcs_cmds(np, &ctrl->post_dms_on_cmds, |
| 1866 | "qcom,mdss-dsi-post-mode-switch-on-command", |
| 1867 | "qcom,mdss-dsi-post-mode-switch-on-command-state"); |
| 1868 | |
| 1869 | if (pinfo->mipi.dms_mode == DYNAMIC_MODE_SWITCH_IMMEDIATE && |
| 1870 | !ctrl->post_dms_on_cmds.cmd_cnt) { |
| 1871 | pr_warn("%s: No post dms on cmd specified\n", __func__); |
| 1872 | pinfo->mipi.dms_mode = DYNAMIC_MODE_SWITCH_DISABLED; |
| 1873 | } |
| 1874 | |
| 1875 | if (!ctrl->video2cmd.cmd_cnt || !ctrl->cmd2video.cmd_cnt) { |
| 1876 | pr_warn("%s: No commands specified for dynamic switch\n", |
| 1877 | __func__); |
| 1878 | pinfo->mipi.dms_mode = DYNAMIC_MODE_SWITCH_DISABLED; |
| 1879 | } |
| 1880 | exit: |
| 1881 | pr_info("%s: dynamic switch feature enabled: %d\n", __func__, |
| 1882 | pinfo->mipi.dms_mode); |
| 1883 | } |
| 1884 | |
| 1885 | /* the length of all the valid values to be checked should not be great |
| 1886 | * than the length of returned data from read command. |
| 1887 | */ |
| 1888 | static bool |
| 1889 | mdss_dsi_parse_esd_check_valid_params(struct mdss_dsi_ctrl_pdata *ctrl) |
| 1890 | { |
| 1891 | int i; |
| 1892 | |
| 1893 | for (i = 0; i < ctrl->status_cmds.cmd_cnt; ++i) { |
| 1894 | if (ctrl->status_valid_params[i] > ctrl->status_cmds_rlen[i]) { |
| 1895 | pr_debug("%s: ignore valid params!\n", __func__); |
| 1896 | return false; |
| 1897 | } |
| 1898 | } |
| 1899 | |
| 1900 | return true; |
| 1901 | } |
| 1902 | |
| 1903 | static bool mdss_dsi_parse_esd_status_len(struct device_node *np, |
| 1904 | char *prop_key, u32 **target, u32 cmd_cnt) |
| 1905 | { |
| 1906 | int tmp; |
| 1907 | |
| 1908 | if (!of_find_property(np, prop_key, &tmp)) |
| 1909 | return false; |
| 1910 | |
| 1911 | tmp /= sizeof(u32); |
| 1912 | if (tmp != cmd_cnt) { |
| 1913 | pr_err("%s: request property number(%d) not match command count(%d)\n", |
| 1914 | __func__, tmp, cmd_cnt); |
| 1915 | return false; |
| 1916 | } |
| 1917 | |
| 1918 | *target = kcalloc(tmp, sizeof(u32), GFP_KERNEL); |
| 1919 | if (IS_ERR_OR_NULL(*target)) { |
| 1920 | pr_err("%s: Error allocating memory for property\n", |
| 1921 | __func__); |
| 1922 | return false; |
| 1923 | } |
| 1924 | |
| 1925 | if (of_property_read_u32_array(np, prop_key, *target, tmp)) { |
| 1926 | pr_err("%s: cannot get values from dts\n", __func__); |
| 1927 | kfree(*target); |
| 1928 | *target = NULL; |
| 1929 | return false; |
| 1930 | } |
| 1931 | |
| 1932 | return true; |
| 1933 | } |
| 1934 | |
| 1935 | static void mdss_dsi_parse_esd_params(struct device_node *np, |
| 1936 | struct mdss_dsi_ctrl_pdata *ctrl) |
| 1937 | { |
| 1938 | u32 tmp; |
| 1939 | u32 i, status_len, *lenp; |
| 1940 | int rc; |
| 1941 | struct property *data; |
| 1942 | const char *string; |
| 1943 | struct mdss_panel_info *pinfo = &ctrl->panel_data.panel_info; |
| 1944 | |
| 1945 | pinfo->esd_check_enabled = of_property_read_bool(np, |
| 1946 | "qcom,esd-check-enabled"); |
| 1947 | |
| 1948 | if (!pinfo->esd_check_enabled) |
| 1949 | return; |
| 1950 | |
| 1951 | ctrl->status_mode = ESD_MAX; |
| 1952 | rc = of_property_read_string(np, |
| 1953 | "qcom,mdss-dsi-panel-status-check-mode", &string); |
| 1954 | if (!rc) { |
| 1955 | if (!strcmp(string, "bta_check")) { |
| 1956 | ctrl->status_mode = ESD_BTA; |
| 1957 | } else if (!strcmp(string, "reg_read")) { |
| 1958 | ctrl->status_mode = ESD_REG; |
| 1959 | ctrl->check_read_status = |
| 1960 | mdss_dsi_gen_read_status; |
| 1961 | } else if (!strcmp(string, "reg_read_nt35596")) { |
| 1962 | ctrl->status_mode = ESD_REG_NT35596; |
| 1963 | ctrl->status_error_count = 0; |
| 1964 | ctrl->check_read_status = |
| 1965 | mdss_dsi_nt35596_read_status; |
| 1966 | } else if (!strcmp(string, "te_signal_check")) { |
| 1967 | if (pinfo->mipi.mode == DSI_CMD_MODE) { |
| 1968 | ctrl->status_mode = ESD_TE; |
| 1969 | } else { |
| 1970 | pr_err("TE-ESD not valid for video mode\n"); |
| 1971 | goto error; |
| 1972 | } |
| 1973 | } else { |
| 1974 | pr_err("No valid panel-status-check-mode string\n"); |
| 1975 | goto error; |
| 1976 | } |
| 1977 | } |
| 1978 | |
| 1979 | if ((ctrl->status_mode == ESD_BTA) || (ctrl->status_mode == ESD_TE) || |
| 1980 | (ctrl->status_mode == ESD_MAX)) |
| 1981 | return; |
| 1982 | |
| 1983 | mdss_dsi_parse_dcs_cmds(np, &ctrl->status_cmds, |
| 1984 | "qcom,mdss-dsi-panel-status-command", |
| 1985 | "qcom,mdss-dsi-panel-status-command-state"); |
| 1986 | |
| 1987 | rc = of_property_read_u32(np, "qcom,mdss-dsi-panel-max-error-count", |
| 1988 | &tmp); |
| 1989 | ctrl->max_status_error_count = (!rc ? tmp : 0); |
| 1990 | |
| 1991 | if (!mdss_dsi_parse_esd_status_len(np, |
| 1992 | "qcom,mdss-dsi-panel-status-read-length", |
| 1993 | &ctrl->status_cmds_rlen, ctrl->status_cmds.cmd_cnt)) { |
| 1994 | pinfo->esd_check_enabled = false; |
| 1995 | return; |
| 1996 | } |
| 1997 | |
| 1998 | if (mdss_dsi_parse_esd_status_len(np, |
| 1999 | "qcom,mdss-dsi-panel-status-valid-params", |
| 2000 | &ctrl->status_valid_params, ctrl->status_cmds.cmd_cnt)) { |
| 2001 | if (!mdss_dsi_parse_esd_check_valid_params(ctrl)) |
| 2002 | goto error1; |
| 2003 | } |
| 2004 | |
| 2005 | status_len = 0; |
| 2006 | lenp = ctrl->status_valid_params ?: ctrl->status_cmds_rlen; |
| 2007 | for (i = 0; i < ctrl->status_cmds.cmd_cnt; ++i) |
| 2008 | status_len += lenp[i]; |
| 2009 | |
| 2010 | data = of_find_property(np, "qcom,mdss-dsi-panel-status-value", &tmp); |
| 2011 | tmp /= sizeof(u32); |
| 2012 | if (!IS_ERR_OR_NULL(data) && tmp != 0 && (tmp % status_len) == 0) { |
| 2013 | ctrl->groups = tmp / status_len; |
| 2014 | } else { |
| 2015 | pr_err("%s: Error parse panel-status-value\n", __func__); |
| 2016 | goto error1; |
| 2017 | } |
| 2018 | |
| 2019 | ctrl->status_value = kcalloc(status_len * ctrl->groups, sizeof(u32), |
| 2020 | GFP_KERNEL); |
| 2021 | if (!ctrl->status_value) |
| 2022 | goto error1; |
| 2023 | |
| 2024 | ctrl->return_buf = kcalloc(status_len * ctrl->groups, |
| 2025 | sizeof(unsigned char), GFP_KERNEL); |
| 2026 | if (!ctrl->return_buf) |
| 2027 | goto error2; |
| 2028 | |
| 2029 | rc = of_property_read_u32_array(np, |
| 2030 | "qcom,mdss-dsi-panel-status-value", |
| 2031 | ctrl->status_value, ctrl->groups * status_len); |
| 2032 | if (rc) { |
| 2033 | pr_debug("%s: Error reading panel status values\n", |
| 2034 | __func__); |
| 2035 | memset(ctrl->status_value, 0, ctrl->groups * status_len); |
| 2036 | } |
| 2037 | |
| 2038 | return; |
| 2039 | |
| 2040 | error2: |
| 2041 | kfree(ctrl->status_value); |
| 2042 | error1: |
| 2043 | kfree(ctrl->status_valid_params); |
| 2044 | kfree(ctrl->status_cmds_rlen); |
| 2045 | error: |
| 2046 | pinfo->esd_check_enabled = false; |
| 2047 | } |
| 2048 | |
| 2049 | static int mdss_dsi_parse_panel_features(struct device_node *np, |
| 2050 | struct mdss_dsi_ctrl_pdata *ctrl) |
| 2051 | { |
| 2052 | struct mdss_panel_info *pinfo; |
| 2053 | |
| 2054 | if (!np || !ctrl) { |
| 2055 | pr_err("%s: Invalid arguments\n", __func__); |
| 2056 | return -ENODEV; |
| 2057 | } |
| 2058 | |
| 2059 | pinfo = &ctrl->panel_data.panel_info; |
| 2060 | |
| 2061 | pinfo->partial_update_supported = of_property_read_bool(np, |
| 2062 | "qcom,partial-update-enabled"); |
| 2063 | if (pinfo->mipi.mode == DSI_CMD_MODE) { |
| 2064 | pinfo->partial_update_enabled = pinfo->partial_update_supported; |
| 2065 | pr_info("%s: partial_update_enabled=%d\n", __func__, |
| 2066 | pinfo->partial_update_enabled); |
| 2067 | ctrl->set_col_page_addr = mdss_dsi_set_col_page_addr; |
| 2068 | if (pinfo->partial_update_enabled) { |
| 2069 | pinfo->partial_update_roi_merge = |
| 2070 | of_property_read_bool(np, |
| 2071 | "qcom,partial-update-roi-merge"); |
| 2072 | } |
| 2073 | } |
| 2074 | |
| 2075 | pinfo->dcs_cmd_by_left = of_property_read_bool(np, |
| 2076 | "qcom,dcs-cmd-by-left"); |
| 2077 | |
| 2078 | pinfo->ulps_feature_enabled = of_property_read_bool(np, |
| 2079 | "qcom,ulps-enabled"); |
| 2080 | pr_info("%s: ulps feature %s\n", __func__, |
| 2081 | (pinfo->ulps_feature_enabled ? "enabled" : "disabled")); |
| 2082 | |
| 2083 | pinfo->ulps_suspend_enabled = of_property_read_bool(np, |
| 2084 | "qcom,suspend-ulps-enabled"); |
| 2085 | pr_info("%s: ulps during suspend feature %s", __func__, |
| 2086 | (pinfo->ulps_suspend_enabled ? "enabled" : "disabled")); |
| 2087 | |
| 2088 | mdss_dsi_parse_dms_config(np, ctrl); |
| 2089 | |
| 2090 | pinfo->panel_ack_disabled = pinfo->sim_panel_mode ? |
| 2091 | 1 : of_property_read_bool(np, "qcom,panel-ack-disabled"); |
| 2092 | |
| 2093 | pinfo->allow_phy_power_off = of_property_read_bool(np, |
| 2094 | "qcom,panel-allow-phy-poweroff"); |
| 2095 | |
| 2096 | mdss_dsi_parse_esd_params(np, ctrl); |
| 2097 | |
| 2098 | if (pinfo->panel_ack_disabled && pinfo->esd_check_enabled) { |
| 2099 | pr_warn("ESD should not be enabled if panel ACK is disabled\n"); |
| 2100 | pinfo->esd_check_enabled = false; |
| 2101 | } |
| 2102 | |
| 2103 | if (ctrl->disp_en_gpio <= 0) { |
| 2104 | ctrl->disp_en_gpio = of_get_named_gpio( |
| 2105 | np, |
| 2106 | "qcom,5v-boost-gpio", 0); |
| 2107 | |
| 2108 | if (!gpio_is_valid(ctrl->disp_en_gpio)) |
| 2109 | pr_debug("%s:%d, Disp_en gpio not specified\n", |
| 2110 | __func__, __LINE__); |
| 2111 | } |
| 2112 | |
| 2113 | mdss_dsi_parse_dcs_cmds(np, &ctrl->lp_on_cmds, |
| 2114 | "qcom,mdss-dsi-lp-mode-on", NULL); |
| 2115 | |
| 2116 | mdss_dsi_parse_dcs_cmds(np, &ctrl->lp_off_cmds, |
| 2117 | "qcom,mdss-dsi-lp-mode-off", NULL); |
| 2118 | |
| 2119 | return 0; |
| 2120 | } |
| 2121 | |
| 2122 | static void mdss_dsi_parse_panel_horizintal_line_idle(struct device_node *np, |
| 2123 | struct mdss_dsi_ctrl_pdata *ctrl) |
| 2124 | { |
| 2125 | const u32 *src; |
| 2126 | int i, len, cnt; |
| 2127 | struct panel_horizontal_idle *kp; |
| 2128 | |
| 2129 | if (!np || !ctrl) { |
| 2130 | pr_err("%s: Invalid arguments\n", __func__); |
| 2131 | return; |
| 2132 | } |
| 2133 | |
| 2134 | src = of_get_property(np, "qcom,mdss-dsi-hor-line-idle", &len); |
| 2135 | if (!src || len == 0) |
| 2136 | return; |
| 2137 | |
| 2138 | cnt = len % 3; /* 3 fields per entry */ |
| 2139 | if (cnt) { |
| 2140 | pr_err("%s: invalid horizontal idle len=%d\n", __func__, len); |
| 2141 | return; |
| 2142 | } |
| 2143 | |
| 2144 | cnt = len / sizeof(u32); |
| 2145 | |
| 2146 | kp = kcalloc((cnt / 3), sizeof(*kp), GFP_KERNEL); |
| 2147 | if (kp == NULL) |
| 2148 | return; |
| 2149 | |
| 2150 | ctrl->line_idle = kp; |
| 2151 | for (i = 0; i < cnt; i += 3) { |
| 2152 | kp->min = be32_to_cpu(src[i]); |
| 2153 | kp->max = be32_to_cpu(src[i+1]); |
| 2154 | kp->idle = be32_to_cpu(src[i+2]); |
| 2155 | kp++; |
| 2156 | ctrl->horizontal_idle_cnt++; |
| 2157 | } |
| 2158 | |
| 2159 | /* |
| 2160 | * idle is enabled for this controller, this will be used to |
| 2161 | * enable/disable burst mode since both features are mutually |
| 2162 | * exclusive. |
| 2163 | */ |
| 2164 | ctrl->idle_enabled = true; |
| 2165 | |
| 2166 | pr_debug("%s: horizontal_idle_cnt=%d\n", __func__, |
| 2167 | ctrl->horizontal_idle_cnt); |
| 2168 | } |
| 2169 | |
| 2170 | static int mdss_dsi_set_refresh_rate_range(struct device_node *pan_node, |
| 2171 | struct mdss_panel_info *pinfo) |
| 2172 | { |
| 2173 | int rc = 0; |
| 2174 | |
| 2175 | rc = of_property_read_u32(pan_node, |
| 2176 | "qcom,mdss-dsi-min-refresh-rate", |
| 2177 | &pinfo->min_fps); |
| 2178 | if (rc) { |
| 2179 | pr_warn("%s:%d, Unable to read min refresh rate\n", |
| 2180 | __func__, __LINE__); |
| 2181 | |
| 2182 | /* |
Aravind Venkateswaran | efd2e78 | 2016-08-24 16:43:13 -0700 | [diff] [blame] | 2183 | * If min refresh rate is not specified, set it to the |
| 2184 | * default panel refresh rate. |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 2185 | */ |
Aravind Venkateswaran | efd2e78 | 2016-08-24 16:43:13 -0700 | [diff] [blame] | 2186 | pinfo->min_fps = pinfo->mipi.frame_rate; |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 2187 | rc = 0; |
| 2188 | } |
| 2189 | |
| 2190 | rc = of_property_read_u32(pan_node, |
| 2191 | "qcom,mdss-dsi-max-refresh-rate", |
| 2192 | &pinfo->max_fps); |
| 2193 | if (rc) { |
| 2194 | pr_warn("%s:%d, Unable to read max refresh rate\n", |
| 2195 | __func__, __LINE__); |
| 2196 | |
| 2197 | /* |
| 2198 | * Since max refresh rate was not specified when dynamic |
| 2199 | * fps is enabled, using the default panel refresh rate |
| 2200 | * as max refresh rate supported. |
| 2201 | */ |
| 2202 | pinfo->max_fps = pinfo->mipi.frame_rate; |
| 2203 | rc = 0; |
| 2204 | } |
| 2205 | |
| 2206 | pr_info("dyn_fps: min = %d, max = %d\n", |
| 2207 | pinfo->min_fps, pinfo->max_fps); |
| 2208 | return rc; |
| 2209 | } |
| 2210 | |
| 2211 | static void mdss_dsi_parse_dfps_config(struct device_node *pan_node, |
| 2212 | struct mdss_dsi_ctrl_pdata *ctrl_pdata) |
| 2213 | { |
| 2214 | const char *data; |
| 2215 | bool dynamic_fps; |
| 2216 | struct mdss_panel_info *pinfo = &(ctrl_pdata->panel_data.panel_info); |
| 2217 | |
| 2218 | dynamic_fps = of_property_read_bool(pan_node, |
| 2219 | "qcom,mdss-dsi-pan-enable-dynamic-fps"); |
| 2220 | |
| 2221 | if (!dynamic_fps) |
| 2222 | return; |
| 2223 | |
| 2224 | pinfo->dynamic_fps = true; |
| 2225 | data = of_get_property(pan_node, "qcom,mdss-dsi-pan-fps-update", NULL); |
| 2226 | if (data) { |
| 2227 | if (!strcmp(data, "dfps_suspend_resume_mode")) { |
| 2228 | pinfo->dfps_update = DFPS_SUSPEND_RESUME_MODE; |
| 2229 | pr_debug("dfps mode: suspend/resume\n"); |
| 2230 | } else if (!strcmp(data, "dfps_immediate_clk_mode")) { |
| 2231 | pinfo->dfps_update = DFPS_IMMEDIATE_CLK_UPDATE_MODE; |
| 2232 | pr_debug("dfps mode: Immediate clk\n"); |
| 2233 | } else if (!strcmp(data, "dfps_immediate_porch_mode_hfp")) { |
| 2234 | pinfo->dfps_update = |
| 2235 | DFPS_IMMEDIATE_PORCH_UPDATE_MODE_HFP; |
| 2236 | pr_debug("dfps mode: Immediate porch HFP\n"); |
| 2237 | } else if (!strcmp(data, "dfps_immediate_porch_mode_vfp")) { |
| 2238 | pinfo->dfps_update = |
| 2239 | DFPS_IMMEDIATE_PORCH_UPDATE_MODE_VFP; |
| 2240 | pr_debug("dfps mode: Immediate porch VFP\n"); |
| 2241 | } else { |
| 2242 | pinfo->dfps_update = DFPS_SUSPEND_RESUME_MODE; |
| 2243 | pr_debug("default dfps mode: suspend/resume\n"); |
| 2244 | } |
| 2245 | mdss_dsi_set_refresh_rate_range(pan_node, pinfo); |
| 2246 | } else { |
| 2247 | pinfo->dynamic_fps = false; |
| 2248 | pr_debug("dfps update mode not configured: disable\n"); |
| 2249 | } |
| 2250 | pinfo->new_fps = pinfo->mipi.frame_rate; |
| 2251 | pinfo->current_fps = pinfo->mipi.frame_rate; |
| 2252 | } |
| 2253 | |
| 2254 | int mdss_panel_parse_bl_settings(struct device_node *np, |
| 2255 | struct mdss_dsi_ctrl_pdata *ctrl_pdata) |
| 2256 | { |
| 2257 | const char *data; |
| 2258 | int rc = 0; |
| 2259 | u32 tmp; |
| 2260 | |
| 2261 | ctrl_pdata->bklt_ctrl = UNKNOWN_CTRL; |
| 2262 | data = of_get_property(np, "qcom,mdss-dsi-bl-pmic-control-type", NULL); |
| 2263 | if (data) { |
| 2264 | if (!strcmp(data, "bl_ctrl_wled")) { |
| 2265 | led_trigger_register_simple("bkl-trigger", |
| 2266 | &bl_led_trigger); |
| 2267 | pr_debug("%s: SUCCESS-> WLED TRIGGER register\n", |
| 2268 | __func__); |
| 2269 | ctrl_pdata->bklt_ctrl = BL_WLED; |
| 2270 | } else if (!strcmp(data, "bl_ctrl_pwm")) { |
| 2271 | ctrl_pdata->bklt_ctrl = BL_PWM; |
| 2272 | ctrl_pdata->pwm_pmi = of_property_read_bool(np, |
| 2273 | "qcom,mdss-dsi-bl-pwm-pmi"); |
| 2274 | rc = of_property_read_u32(np, |
| 2275 | "qcom,mdss-dsi-bl-pmic-pwm-frequency", &tmp); |
| 2276 | if (rc) { |
| 2277 | pr_err("%s:%d, Error, panel pwm_period\n", |
| 2278 | __func__, __LINE__); |
| 2279 | return -EINVAL; |
| 2280 | } |
| 2281 | ctrl_pdata->pwm_period = tmp; |
| 2282 | if (ctrl_pdata->pwm_pmi) { |
| 2283 | ctrl_pdata->pwm_bl = of_pwm_get(np, NULL); |
| 2284 | if (IS_ERR(ctrl_pdata->pwm_bl)) { |
| 2285 | pr_err("%s: Error, pwm device\n", |
| 2286 | __func__); |
| 2287 | ctrl_pdata->pwm_bl = NULL; |
| 2288 | return -EINVAL; |
| 2289 | } |
| 2290 | } else { |
| 2291 | rc = of_property_read_u32(np, |
| 2292 | "qcom,mdss-dsi-bl-pmic-bank-select", |
| 2293 | &tmp); |
| 2294 | if (rc) { |
| 2295 | pr_err("%s:%d, Error, lpg channel\n", |
| 2296 | __func__, __LINE__); |
| 2297 | return -EINVAL; |
| 2298 | } |
| 2299 | ctrl_pdata->pwm_lpg_chan = tmp; |
| 2300 | tmp = of_get_named_gpio(np, |
| 2301 | "qcom,mdss-dsi-pwm-gpio", 0); |
| 2302 | ctrl_pdata->pwm_pmic_gpio = tmp; |
| 2303 | pr_debug("%s: Configured PWM bklt ctrl\n", |
| 2304 | __func__); |
| 2305 | } |
| 2306 | } else if (!strcmp(data, "bl_ctrl_dcs")) { |
| 2307 | ctrl_pdata->bklt_ctrl = BL_DCS_CMD; |
Yahui Wang | 0c1acb0 | 2017-06-07 09:40:03 +0800 | [diff] [blame] | 2308 | data = of_get_property(np, |
| 2309 | "qcom,mdss-dsi-bl-dcs-command-state", NULL); |
| 2310 | if (data && !strcmp(data, "dsi_hs_mode")) |
| 2311 | ctrl_pdata->bklt_dcs_op_mode = DSI_HS_MODE; |
| 2312 | else |
| 2313 | ctrl_pdata->bklt_dcs_op_mode = DSI_LP_MODE; |
| 2314 | |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 2315 | pr_debug("%s: Configured DCS_CMD bklt ctrl\n", |
| 2316 | __func__); |
| 2317 | } |
| 2318 | } |
| 2319 | return 0; |
| 2320 | } |
| 2321 | |
| 2322 | int mdss_dsi_panel_timing_switch(struct mdss_dsi_ctrl_pdata *ctrl, |
| 2323 | struct mdss_panel_timing *timing) |
| 2324 | { |
| 2325 | struct dsi_panel_timing *pt; |
| 2326 | struct mdss_panel_info *pinfo = &ctrl->panel_data.panel_info; |
| 2327 | int i; |
| 2328 | |
| 2329 | if (!timing) |
| 2330 | return -EINVAL; |
| 2331 | |
| 2332 | if (timing == ctrl->panel_data.current_timing) { |
| 2333 | pr_warn("%s: panel timing \"%s\" already set\n", __func__, |
| 2334 | timing->name); |
| 2335 | return 0; /* nothing to do */ |
| 2336 | } |
| 2337 | |
| 2338 | pr_debug("%s: ndx=%d switching to panel timing \"%s\"\n", __func__, |
| 2339 | ctrl->ndx, timing->name); |
| 2340 | |
| 2341 | mdss_panel_info_from_timing(timing, pinfo); |
| 2342 | |
| 2343 | pt = container_of(timing, struct dsi_panel_timing, timing); |
| 2344 | pinfo->mipi.t_clk_pre = pt->t_clk_pre; |
| 2345 | pinfo->mipi.t_clk_post = pt->t_clk_post; |
| 2346 | |
| 2347 | for (i = 0; i < ARRAY_SIZE(pt->phy_timing); i++) |
| 2348 | pinfo->mipi.dsi_phy_db.timing[i] = pt->phy_timing[i]; |
| 2349 | |
| 2350 | for (i = 0; i < ARRAY_SIZE(pt->phy_timing_8996); i++) |
| 2351 | pinfo->mipi.dsi_phy_db.timing_8996[i] = pt->phy_timing_8996[i]; |
| 2352 | |
Padmanabhan Komanduru | 81d8dc52 | 2018-03-22 20:00:58 +0530 | [diff] [blame] | 2353 | for (i = 0; i < ARRAY_SIZE(pt->phy_timing_12nm); i++) |
| 2354 | pinfo->mipi.dsi_phy_db.timing_12nm[i] = pt->phy_timing_12nm[i]; |
| 2355 | |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 2356 | ctrl->on_cmds = pt->on_cmds; |
| 2357 | ctrl->post_panel_on_cmds = pt->post_panel_on_cmds; |
| 2358 | |
| 2359 | ctrl->panel_data.current_timing = timing; |
| 2360 | if (!timing->clk_rate) |
| 2361 | ctrl->refresh_clk_rate = true; |
| 2362 | mdss_dsi_clk_refresh(&ctrl->panel_data, ctrl->update_phy_timing); |
| 2363 | |
| 2364 | return 0; |
| 2365 | } |
| 2366 | |
| 2367 | void mdss_dsi_unregister_bl_settings(struct mdss_dsi_ctrl_pdata *ctrl_pdata) |
| 2368 | { |
| 2369 | if (ctrl_pdata->bklt_ctrl == BL_WLED) |
| 2370 | led_trigger_unregister_simple(bl_led_trigger); |
| 2371 | } |
| 2372 | |
| 2373 | static int mdss_dsi_panel_timing_from_dt(struct device_node *np, |
| 2374 | struct dsi_panel_timing *pt, |
| 2375 | struct mdss_panel_data *panel_data) |
| 2376 | { |
| 2377 | u32 tmp; |
| 2378 | u64 tmp64; |
| 2379 | int rc, i, len; |
| 2380 | const char *data; |
| 2381 | struct mdss_dsi_ctrl_pdata *ctrl_pdata; |
| 2382 | struct mdss_panel_info *pinfo; |
| 2383 | bool phy_timings_present = false; |
| 2384 | |
| 2385 | pinfo = &panel_data->panel_info; |
| 2386 | |
| 2387 | ctrl_pdata = container_of(panel_data, struct mdss_dsi_ctrl_pdata, |
| 2388 | panel_data); |
| 2389 | |
| 2390 | rc = of_property_read_u32(np, "qcom,mdss-dsi-panel-width", &tmp); |
| 2391 | if (rc) { |
| 2392 | pr_err("%s:%d, panel width not specified\n", |
| 2393 | __func__, __LINE__); |
| 2394 | return -EINVAL; |
| 2395 | } |
| 2396 | pt->timing.xres = tmp; |
| 2397 | |
| 2398 | rc = of_property_read_u32(np, "qcom,mdss-dsi-panel-height", &tmp); |
| 2399 | if (rc) { |
| 2400 | pr_err("%s:%d, panel height not specified\n", |
| 2401 | __func__, __LINE__); |
| 2402 | return -EINVAL; |
| 2403 | } |
| 2404 | pt->timing.yres = tmp; |
| 2405 | |
| 2406 | rc = of_property_read_u32(np, "qcom,mdss-dsi-h-front-porch", &tmp); |
| 2407 | pt->timing.h_front_porch = (!rc ? tmp : 6); |
| 2408 | rc = of_property_read_u32(np, "qcom,mdss-dsi-h-back-porch", &tmp); |
| 2409 | pt->timing.h_back_porch = (!rc ? tmp : 6); |
| 2410 | rc = of_property_read_u32(np, "qcom,mdss-dsi-h-pulse-width", &tmp); |
| 2411 | pt->timing.h_pulse_width = (!rc ? tmp : 2); |
| 2412 | rc = of_property_read_u32(np, "qcom,mdss-dsi-h-sync-skew", &tmp); |
| 2413 | pt->timing.hsync_skew = (!rc ? tmp : 0); |
| 2414 | rc = of_property_read_u32(np, "qcom,mdss-dsi-v-back-porch", &tmp); |
| 2415 | pt->timing.v_back_porch = (!rc ? tmp : 6); |
| 2416 | rc = of_property_read_u32(np, "qcom,mdss-dsi-v-front-porch", &tmp); |
| 2417 | pt->timing.v_front_porch = (!rc ? tmp : 6); |
| 2418 | rc = of_property_read_u32(np, "qcom,mdss-dsi-v-pulse-width", &tmp); |
| 2419 | pt->timing.v_pulse_width = (!rc ? tmp : 2); |
| 2420 | |
| 2421 | rc = of_property_read_u32(np, "qcom,mdss-dsi-h-left-border", &tmp); |
| 2422 | pt->timing.border_left = !rc ? tmp : 0; |
| 2423 | rc = of_property_read_u32(np, "qcom,mdss-dsi-h-right-border", &tmp); |
| 2424 | pt->timing.border_right = !rc ? tmp : 0; |
| 2425 | |
| 2426 | /* overriding left/right borders for split display cases */ |
| 2427 | if (mdss_dsi_is_hw_config_split(ctrl_pdata->shared_data)) { |
| 2428 | if (panel_data->next) |
| 2429 | pt->timing.border_right = 0; |
| 2430 | else |
| 2431 | pt->timing.border_left = 0; |
| 2432 | } |
| 2433 | |
| 2434 | rc = of_property_read_u32(np, "qcom,mdss-dsi-v-top-border", &tmp); |
| 2435 | pt->timing.border_top = !rc ? tmp : 0; |
| 2436 | rc = of_property_read_u32(np, "qcom,mdss-dsi-v-bottom-border", &tmp); |
| 2437 | pt->timing.border_bottom = !rc ? tmp : 0; |
| 2438 | |
| 2439 | rc = of_property_read_u32(np, "qcom,mdss-dsi-panel-framerate", &tmp); |
| 2440 | pt->timing.frame_rate = !rc ? tmp : DEFAULT_FRAME_RATE; |
| 2441 | rc = of_property_read_u64(np, "qcom,mdss-dsi-panel-clockrate", &tmp64); |
| 2442 | if (rc == -EOVERFLOW) { |
| 2443 | tmp64 = 0; |
| 2444 | rc = of_property_read_u32(np, |
| 2445 | "qcom,mdss-dsi-panel-clockrate", (u32 *)&tmp64); |
| 2446 | } |
| 2447 | pt->timing.clk_rate = !rc ? tmp64 : 0; |
| 2448 | |
| 2449 | data = of_get_property(np, "qcom,mdss-dsi-panel-timings", &len); |
| 2450 | if ((!data) || (len != 12)) { |
| 2451 | pr_debug("%s:%d, Unable to read Phy timing settings", |
| 2452 | __func__, __LINE__); |
| 2453 | } else { |
| 2454 | for (i = 0; i < len; i++) |
| 2455 | pt->phy_timing[i] = data[i]; |
| 2456 | phy_timings_present = true; |
| 2457 | } |
| 2458 | |
| 2459 | data = of_get_property(np, "qcom,mdss-dsi-panel-timings-phy-v2", &len); |
| 2460 | if ((!data) || (len != 40)) { |
| 2461 | pr_debug("%s:%d, Unable to read 8996 Phy lane timing settings", |
| 2462 | __func__, __LINE__); |
| 2463 | } else { |
| 2464 | for (i = 0; i < len; i++) |
| 2465 | pt->phy_timing_8996[i] = data[i]; |
| 2466 | phy_timings_present = true; |
| 2467 | } |
Padmanabhan Komanduru | 81d8dc52 | 2018-03-22 20:00:58 +0530 | [diff] [blame] | 2468 | |
| 2469 | data = of_get_property(np, |
| 2470 | "qcom,mdss-dsi-panel-timings-phy-12nm", &len); |
| 2471 | if ((!data) || (len != 8)) { |
| 2472 | pr_debug("%s:%d, Unable to read 12nm Phy lane timing settings", |
| 2473 | __func__, __LINE__); |
| 2474 | } else { |
| 2475 | for (i = 0; i < len; i++) |
| 2476 | pt->phy_timing_12nm[i] = data[i]; |
| 2477 | phy_timings_present = true; |
| 2478 | } |
| 2479 | |
Sachin Bhayare | eeb8889 | 2018-01-02 16:36:01 +0530 | [diff] [blame] | 2480 | if (!phy_timings_present) { |
| 2481 | pr_err("%s: phy timing settings not present\n", __func__); |
| 2482 | return -EINVAL; |
| 2483 | } |
| 2484 | |
| 2485 | rc = of_property_read_u32(np, "qcom,mdss-dsi-t-clk-pre", &tmp); |
| 2486 | pt->t_clk_pre = (!rc ? tmp : 0x24); |
| 2487 | rc = of_property_read_u32(np, "qcom,mdss-dsi-t-clk-post", &tmp); |
| 2488 | pt->t_clk_post = (!rc ? tmp : 0x03); |
| 2489 | |
| 2490 | if (np->name) { |
| 2491 | pt->timing.name = kstrdup(np->name, GFP_KERNEL); |
| 2492 | pr_info("%s: found new timing \"%s\" (%pK)\n", __func__, |
| 2493 | np->name, &pt->timing); |
| 2494 | } |
| 2495 | |
| 2496 | return 0; |
| 2497 | } |
| 2498 | |
| 2499 | static int mdss_dsi_panel_config_res_properties(struct device_node *np, |
| 2500 | struct dsi_panel_timing *pt, |
| 2501 | struct mdss_panel_data *panel_data, |
| 2502 | bool default_timing) |
| 2503 | { |
| 2504 | int rc = 0; |
| 2505 | |
| 2506 | mdss_dsi_parse_roi_alignment(np, pt); |
| 2507 | |
| 2508 | mdss_dsi_parse_dcs_cmds(np, &pt->on_cmds, |
| 2509 | "qcom,mdss-dsi-on-command", |
| 2510 | "qcom,mdss-dsi-on-command-state"); |
| 2511 | |
| 2512 | mdss_dsi_parse_dcs_cmds(np, &pt->post_panel_on_cmds, |
| 2513 | "qcom,mdss-dsi-post-panel-on-command", NULL); |
| 2514 | |
| 2515 | mdss_dsi_parse_dcs_cmds(np, &pt->switch_cmds, |
| 2516 | "qcom,mdss-dsi-timing-switch-command", |
| 2517 | "qcom,mdss-dsi-timing-switch-command-state"); |
| 2518 | |
| 2519 | rc = mdss_dsi_parse_topology_config(np, pt, panel_data, default_timing); |
| 2520 | if (rc) { |
| 2521 | pr_err("%s: parsing compression params failed. rc:%d\n", |
| 2522 | __func__, rc); |
| 2523 | return rc; |
| 2524 | } |
| 2525 | |
| 2526 | mdss_panel_parse_te_params(np, &pt->timing); |
| 2527 | return rc; |
| 2528 | } |
| 2529 | |
| 2530 | static int mdss_panel_parse_display_timings(struct device_node *np, |
| 2531 | struct mdss_panel_data *panel_data) |
| 2532 | { |
| 2533 | struct mdss_dsi_ctrl_pdata *ctrl; |
| 2534 | struct dsi_panel_timing *modedb; |
| 2535 | struct device_node *timings_np; |
| 2536 | struct device_node *entry; |
| 2537 | int num_timings, rc; |
| 2538 | int i = 0, active_ndx = 0; |
| 2539 | bool default_timing = false; |
| 2540 | |
| 2541 | ctrl = container_of(panel_data, struct mdss_dsi_ctrl_pdata, panel_data); |
| 2542 | |
| 2543 | INIT_LIST_HEAD(&panel_data->timings_list); |
| 2544 | |
| 2545 | timings_np = of_get_child_by_name(np, "qcom,mdss-dsi-display-timings"); |
| 2546 | if (!timings_np) { |
| 2547 | struct dsi_panel_timing pt; |
| 2548 | |
| 2549 | memset(&pt, 0, sizeof(struct dsi_panel_timing)); |
| 2550 | |
| 2551 | /* |
| 2552 | * display timings node is not available, fallback to reading |
| 2553 | * timings directly from root node instead |
| 2554 | */ |
| 2555 | pr_debug("reading display-timings from panel node\n"); |
| 2556 | rc = mdss_dsi_panel_timing_from_dt(np, &pt, panel_data); |
| 2557 | if (!rc) { |
| 2558 | mdss_dsi_panel_config_res_properties(np, &pt, |
| 2559 | panel_data, true); |
| 2560 | rc = mdss_dsi_panel_timing_switch(ctrl, &pt.timing); |
| 2561 | } |
| 2562 | return rc; |
| 2563 | } |
| 2564 | |
| 2565 | num_timings = of_get_child_count(timings_np); |
| 2566 | if (num_timings == 0) { |
| 2567 | pr_err("no timings found within display-timings\n"); |
| 2568 | rc = -EINVAL; |
| 2569 | goto exit; |
| 2570 | } |
| 2571 | |
| 2572 | modedb = kcalloc(num_timings, sizeof(*modedb), GFP_KERNEL); |
| 2573 | if (!modedb) { |
| 2574 | rc = -ENOMEM; |
| 2575 | goto exit; |
| 2576 | } |
| 2577 | |
| 2578 | for_each_child_of_node(timings_np, entry) { |
| 2579 | rc = mdss_dsi_panel_timing_from_dt(entry, (modedb + i), |
| 2580 | panel_data); |
| 2581 | if (rc) { |
| 2582 | kfree(modedb); |
| 2583 | goto exit; |
| 2584 | } |
| 2585 | |
| 2586 | default_timing = of_property_read_bool(entry, |
| 2587 | "qcom,mdss-dsi-timing-default"); |
| 2588 | if (default_timing) |
| 2589 | active_ndx = i; |
| 2590 | |
| 2591 | mdss_dsi_panel_config_res_properties(entry, (modedb + i), |
| 2592 | panel_data, default_timing); |
| 2593 | |
| 2594 | list_add(&modedb[i].timing.list, |
| 2595 | &panel_data->timings_list); |
| 2596 | i++; |
| 2597 | } |
| 2598 | |
| 2599 | /* Configure default timing settings */ |
| 2600 | rc = mdss_dsi_panel_timing_switch(ctrl, &modedb[active_ndx].timing); |
| 2601 | if (rc) |
| 2602 | pr_err("unable to configure default timing settings\n"); |
| 2603 | |
| 2604 | exit: |
| 2605 | of_node_put(timings_np); |
| 2606 | |
| 2607 | return rc; |
| 2608 | } |
| 2609 | |
| 2610 | #ifdef TARGET_HW_MDSS_HDMI |
| 2611 | static int mdss_panel_parse_dt_hdmi(struct device_node *np, |
| 2612 | struct mdss_dsi_ctrl_pdata *ctrl_pdata) |
| 2613 | { |
| 2614 | int len = 0; |
| 2615 | const char *bridge_chip_name; |
| 2616 | struct mdss_panel_info *pinfo = &(ctrl_pdata->panel_data.panel_info); |
| 2617 | |
| 2618 | pinfo->is_dba_panel = of_property_read_bool(np, |
| 2619 | "qcom,dba-panel"); |
| 2620 | |
| 2621 | if (pinfo->is_dba_panel) { |
| 2622 | bridge_chip_name = of_get_property(np, |
| 2623 | "qcom,bridge-name", &len); |
| 2624 | if (!bridge_chip_name || len <= 0) { |
| 2625 | pr_err("%s:%d Unable to read qcom,bridge_name, data=%pK,len=%d\n", |
| 2626 | __func__, __LINE__, bridge_chip_name, len); |
| 2627 | return -EINVAL; |
| 2628 | } |
| 2629 | strlcpy(ctrl_pdata->bridge_name, bridge_chip_name, |
| 2630 | MSM_DBA_CHIP_NAME_MAX_LEN); |
| 2631 | } |
| 2632 | return 0; |
| 2633 | } |
| 2634 | #else |
| 2635 | static int mdss_panel_parse_dt_hdmi(struct device_node *np, |
| 2636 | struct mdss_dsi_ctrl_pdata *ctrl_pdata) |
| 2637 | { |
| 2638 | (void)(*np); |
| 2639 | (void)(*ctrl_pdata); |
| 2640 | return 0; |
| 2641 | } |
| 2642 | #endif |
| 2643 | static int mdss_panel_parse_dt(struct device_node *np, |
| 2644 | struct mdss_dsi_ctrl_pdata *ctrl_pdata) |
| 2645 | { |
| 2646 | u32 tmp; |
| 2647 | u8 lanes = 0; |
| 2648 | int rc = 0; |
| 2649 | const char *data; |
| 2650 | static const char *pdest; |
| 2651 | struct mdss_panel_info *pinfo = &(ctrl_pdata->panel_data.panel_info); |
| 2652 | |
| 2653 | if (mdss_dsi_is_hw_config_split(ctrl_pdata->shared_data)) |
| 2654 | pinfo->is_split_display = true; |
| 2655 | |
| 2656 | rc = of_property_read_u32(np, |
| 2657 | "qcom,mdss-pan-physical-width-dimension", &tmp); |
| 2658 | pinfo->physical_width = (!rc ? tmp : 0); |
| 2659 | rc = of_property_read_u32(np, |
| 2660 | "qcom,mdss-pan-physical-height-dimension", &tmp); |
| 2661 | pinfo->physical_height = (!rc ? tmp : 0); |
| 2662 | |
| 2663 | rc = of_property_read_u32(np, "qcom,mdss-dsi-bpp", &tmp); |
| 2664 | if (rc) { |
| 2665 | pr_err("%s:%d, bpp not specified\n", __func__, __LINE__); |
| 2666 | return -EINVAL; |
| 2667 | } |
| 2668 | pinfo->bpp = (!rc ? tmp : 24); |
| 2669 | pinfo->mipi.mode = DSI_VIDEO_MODE; |
| 2670 | data = of_get_property(np, "qcom,mdss-dsi-panel-type", NULL); |
| 2671 | if (data && !strcmp(data, "dsi_cmd_mode")) |
| 2672 | pinfo->mipi.mode = DSI_CMD_MODE; |
| 2673 | pinfo->mipi.boot_mode = pinfo->mipi.mode; |
| 2674 | tmp = 0; |
| 2675 | data = of_get_property(np, "qcom,mdss-dsi-pixel-packing", NULL); |
| 2676 | if (data && !strcmp(data, "loose")) |
| 2677 | pinfo->mipi.pixel_packing = 1; |
| 2678 | else |
| 2679 | pinfo->mipi.pixel_packing = 0; |
| 2680 | rc = mdss_panel_get_dst_fmt(pinfo->bpp, |
| 2681 | pinfo->mipi.mode, pinfo->mipi.pixel_packing, |
| 2682 | &(pinfo->mipi.dst_format)); |
| 2683 | if (rc) { |
| 2684 | pr_debug("%s: problem determining dst format. Set Default\n", |
| 2685 | __func__); |
| 2686 | pinfo->mipi.dst_format = |
| 2687 | DSI_VIDEO_DST_FORMAT_RGB888; |
| 2688 | } |
| 2689 | pdest = of_get_property(np, |
| 2690 | "qcom,mdss-dsi-panel-destination", NULL); |
| 2691 | |
| 2692 | rc = of_property_read_u32(np, |
| 2693 | "qcom,mdss-dsi-underflow-color", &tmp); |
| 2694 | pinfo->lcdc.underflow_clr = (!rc ? tmp : 0xff); |
| 2695 | rc = of_property_read_u32(np, |
| 2696 | "qcom,mdss-dsi-border-color", &tmp); |
| 2697 | pinfo->lcdc.border_clr = (!rc ? tmp : 0); |
| 2698 | data = of_get_property(np, "qcom,mdss-dsi-panel-orientation", NULL); |
| 2699 | if (data) { |
| 2700 | pr_debug("panel orientation is %s\n", data); |
| 2701 | if (!strcmp(data, "180")) |
| 2702 | pinfo->panel_orientation = MDP_ROT_180; |
| 2703 | else if (!strcmp(data, "hflip")) |
| 2704 | pinfo->panel_orientation = MDP_FLIP_LR; |
| 2705 | else if (!strcmp(data, "vflip")) |
| 2706 | pinfo->panel_orientation = MDP_FLIP_UD; |
| 2707 | } |
| 2708 | |
| 2709 | rc = of_property_read_u32(np, "qcom,mdss-brightness-max-level", &tmp); |
| 2710 | pinfo->brightness_max = (!rc ? tmp : MDSS_MAX_BL_BRIGHTNESS); |
| 2711 | rc = of_property_read_u32(np, "qcom,mdss-dsi-bl-min-level", &tmp); |
| 2712 | pinfo->bl_min = (!rc ? tmp : 0); |
| 2713 | rc = of_property_read_u32(np, "qcom,mdss-dsi-bl-max-level", &tmp); |
| 2714 | pinfo->bl_max = (!rc ? tmp : 255); |
| 2715 | ctrl_pdata->bklt_max = pinfo->bl_max; |
| 2716 | |
| 2717 | rc = of_property_read_u32(np, "qcom,mdss-dsi-interleave-mode", &tmp); |
| 2718 | pinfo->mipi.interleave_mode = (!rc ? tmp : 0); |
| 2719 | |
| 2720 | pinfo->mipi.vsync_enable = of_property_read_bool(np, |
| 2721 | "qcom,mdss-dsi-te-check-enable"); |
| 2722 | |
| 2723 | if (pinfo->sim_panel_mode == SIM_SW_TE_MODE) |
| 2724 | pinfo->mipi.hw_vsync_mode = false; |
| 2725 | else |
| 2726 | pinfo->mipi.hw_vsync_mode = of_property_read_bool(np, |
| 2727 | "qcom,mdss-dsi-te-using-te-pin"); |
| 2728 | |
| 2729 | rc = of_property_read_u32(np, |
| 2730 | "qcom,mdss-dsi-h-sync-pulse", &tmp); |
| 2731 | pinfo->mipi.pulse_mode_hsa_he = (!rc ? tmp : false); |
| 2732 | |
| 2733 | pinfo->mipi.hfp_power_stop = of_property_read_bool(np, |
| 2734 | "qcom,mdss-dsi-hfp-power-mode"); |
| 2735 | pinfo->mipi.hsa_power_stop = of_property_read_bool(np, |
| 2736 | "qcom,mdss-dsi-hsa-power-mode"); |
| 2737 | pinfo->mipi.hbp_power_stop = of_property_read_bool(np, |
| 2738 | "qcom,mdss-dsi-hbp-power-mode"); |
| 2739 | pinfo->mipi.last_line_interleave_en = of_property_read_bool(np, |
| 2740 | "qcom,mdss-dsi-last-line-interleave"); |
| 2741 | pinfo->mipi.bllp_power_stop = of_property_read_bool(np, |
| 2742 | "qcom,mdss-dsi-bllp-power-mode"); |
| 2743 | pinfo->mipi.eof_bllp_power_stop = of_property_read_bool( |
| 2744 | np, "qcom,mdss-dsi-bllp-eof-power-mode"); |
| 2745 | pinfo->mipi.traffic_mode = DSI_NON_BURST_SYNCH_PULSE; |
| 2746 | data = of_get_property(np, "qcom,mdss-dsi-traffic-mode", NULL); |
| 2747 | if (data) { |
| 2748 | if (!strcmp(data, "non_burst_sync_event")) |
| 2749 | pinfo->mipi.traffic_mode = DSI_NON_BURST_SYNCH_EVENT; |
| 2750 | else if (!strcmp(data, "burst_mode")) |
| 2751 | pinfo->mipi.traffic_mode = DSI_BURST_MODE; |
| 2752 | } |
| 2753 | rc = of_property_read_u32(np, |
| 2754 | "qcom,mdss-dsi-te-dcs-command", &tmp); |
| 2755 | pinfo->mipi.insert_dcs_cmd = |
| 2756 | (!rc ? tmp : 1); |
| 2757 | rc = of_property_read_u32(np, |
| 2758 | "qcom,mdss-dsi-wr-mem-continue", &tmp); |
| 2759 | pinfo->mipi.wr_mem_continue = |
| 2760 | (!rc ? tmp : 0x3c); |
| 2761 | rc = of_property_read_u32(np, |
| 2762 | "qcom,mdss-dsi-wr-mem-start", &tmp); |
| 2763 | pinfo->mipi.wr_mem_start = |
| 2764 | (!rc ? tmp : 0x2c); |
| 2765 | rc = of_property_read_u32(np, |
| 2766 | "qcom,mdss-dsi-te-pin-select", &tmp); |
| 2767 | pinfo->mipi.te_sel = |
| 2768 | (!rc ? tmp : 1); |
| 2769 | rc = of_property_read_u32(np, "qcom,mdss-dsi-virtual-channel-id", &tmp); |
| 2770 | pinfo->mipi.vc = (!rc ? tmp : 0); |
| 2771 | pinfo->mipi.rgb_swap = DSI_RGB_SWAP_RGB; |
| 2772 | data = of_get_property(np, "qcom,mdss-dsi-color-order", NULL); |
| 2773 | if (data) { |
| 2774 | if (!strcmp(data, "rgb_swap_rbg")) |
| 2775 | pinfo->mipi.rgb_swap = DSI_RGB_SWAP_RBG; |
| 2776 | else if (!strcmp(data, "rgb_swap_bgr")) |
| 2777 | pinfo->mipi.rgb_swap = DSI_RGB_SWAP_BGR; |
| 2778 | else if (!strcmp(data, "rgb_swap_brg")) |
| 2779 | pinfo->mipi.rgb_swap = DSI_RGB_SWAP_BRG; |
| 2780 | else if (!strcmp(data, "rgb_swap_grb")) |
| 2781 | pinfo->mipi.rgb_swap = DSI_RGB_SWAP_GRB; |
| 2782 | else if (!strcmp(data, "rgb_swap_gbr")) |
| 2783 | pinfo->mipi.rgb_swap = DSI_RGB_SWAP_GBR; |
| 2784 | } |
| 2785 | pinfo->mipi.data_lane0 = of_property_read_bool(np, |
| 2786 | "qcom,mdss-dsi-lane-0-state"); |
| 2787 | pinfo->mipi.data_lane1 = of_property_read_bool(np, |
| 2788 | "qcom,mdss-dsi-lane-1-state"); |
| 2789 | pinfo->mipi.data_lane2 = of_property_read_bool(np, |
| 2790 | "qcom,mdss-dsi-lane-2-state"); |
| 2791 | pinfo->mipi.data_lane3 = of_property_read_bool(np, |
| 2792 | "qcom,mdss-dsi-lane-3-state"); |
| 2793 | |
| 2794 | if (pinfo->mipi.data_lane0) |
| 2795 | lanes++; |
| 2796 | if (pinfo->mipi.data_lane1) |
| 2797 | lanes++; |
| 2798 | if (pinfo->mipi.data_lane2) |
| 2799 | lanes++; |
| 2800 | if (pinfo->mipi.data_lane3) |
| 2801 | lanes++; |
| 2802 | /* |
| 2803 | * needed to set default lanes during |
| 2804 | * resolution switch for bridge chips |
| 2805 | */ |
| 2806 | pinfo->mipi.default_lanes = lanes; |
| 2807 | |
| 2808 | rc = mdss_panel_parse_display_timings(np, &ctrl_pdata->panel_data); |
| 2809 | if (rc) |
| 2810 | return rc; |
| 2811 | rc = mdss_dsi_parse_hdr_settings(np, pinfo); |
| 2812 | if (rc) |
| 2813 | return rc; |
| 2814 | |
| 2815 | pinfo->mipi.rx_eot_ignore = of_property_read_bool(np, |
| 2816 | "qcom,mdss-dsi-rx-eot-ignore"); |
| 2817 | pinfo->mipi.tx_eot_append = of_property_read_bool(np, |
| 2818 | "qcom,mdss-dsi-tx-eot-append"); |
| 2819 | |
| 2820 | rc = of_property_read_u32(np, "qcom,mdss-dsi-stream", &tmp); |
| 2821 | pinfo->mipi.stream = (!rc ? tmp : 0); |
| 2822 | |
| 2823 | data = of_get_property(np, "qcom,mdss-dsi-panel-mode-gpio-state", NULL); |
| 2824 | if (data) { |
| 2825 | if (!strcmp(data, "high")) |
| 2826 | pinfo->mode_gpio_state = MODE_GPIO_HIGH; |
| 2827 | else if (!strcmp(data, "low")) |
| 2828 | pinfo->mode_gpio_state = MODE_GPIO_LOW; |
| 2829 | } else { |
| 2830 | pinfo->mode_gpio_state = MODE_GPIO_NOT_VALID; |
| 2831 | } |
| 2832 | |
| 2833 | rc = of_property_read_u32(np, "qcom,mdss-mdp-transfer-time-us", &tmp); |
| 2834 | pinfo->mdp_transfer_time_us = (!rc ? tmp : DEFAULT_MDP_TRANSFER_TIME); |
| 2835 | |
| 2836 | pinfo->mipi.lp11_init = of_property_read_bool(np, |
| 2837 | "qcom,mdss-dsi-lp11-init"); |
| 2838 | rc = of_property_read_u32(np, "qcom,mdss-dsi-init-delay-us", &tmp); |
| 2839 | pinfo->mipi.init_delay = (!rc ? tmp : 0); |
| 2840 | |
| 2841 | rc = of_property_read_u32(np, "qcom,mdss-dsi-post-init-delay", &tmp); |
| 2842 | pinfo->mipi.post_init_delay = (!rc ? tmp : 0); |
| 2843 | |
| 2844 | mdss_dsi_parse_trigger(np, &(pinfo->mipi.mdp_trigger), |
| 2845 | "qcom,mdss-dsi-mdp-trigger"); |
| 2846 | |
| 2847 | mdss_dsi_parse_trigger(np, &(pinfo->mipi.dma_trigger), |
| 2848 | "qcom,mdss-dsi-dma-trigger"); |
| 2849 | |
| 2850 | mdss_dsi_parse_reset_seq(np, pinfo->rst_seq, &(pinfo->rst_seq_len), |
| 2851 | "qcom,mdss-dsi-reset-sequence"); |
| 2852 | |
| 2853 | mdss_dsi_parse_dcs_cmds(np, &ctrl_pdata->off_cmds, |
| 2854 | "qcom,mdss-dsi-off-command", "qcom,mdss-dsi-off-command-state"); |
| 2855 | |
| 2856 | mdss_dsi_parse_dcs_cmds(np, &ctrl_pdata->idle_on_cmds, |
| 2857 | "qcom,mdss-dsi-idle-on-command", |
| 2858 | "qcom,mdss-dsi-idle-on-command-state"); |
| 2859 | |
| 2860 | mdss_dsi_parse_dcs_cmds(np, &ctrl_pdata->idle_off_cmds, |
| 2861 | "qcom,mdss-dsi-idle-off-command", |
| 2862 | "qcom,mdss-dsi-idle-off-command-state"); |
| 2863 | |
| 2864 | rc = of_property_read_u32(np, "qcom,mdss-dsi-idle-fps", &tmp); |
| 2865 | pinfo->mipi.frame_rate_idle = (!rc ? tmp : 60); |
| 2866 | |
| 2867 | rc = of_property_read_u32(np, "qcom,adjust-timer-wakeup-ms", &tmp); |
| 2868 | pinfo->adjust_timer_delay_ms = (!rc ? tmp : 0); |
| 2869 | |
| 2870 | pinfo->mipi.force_clk_lane_hs = of_property_read_bool(np, |
| 2871 | "qcom,mdss-dsi-force-clock-lane-hs"); |
| 2872 | |
| 2873 | rc = mdss_dsi_parse_panel_features(np, ctrl_pdata); |
| 2874 | if (rc) { |
| 2875 | pr_err("%s: failed to parse panel features\n", __func__); |
| 2876 | goto error; |
| 2877 | } |
| 2878 | |
| 2879 | mdss_dsi_parse_panel_horizintal_line_idle(np, ctrl_pdata); |
| 2880 | |
| 2881 | mdss_dsi_parse_dfps_config(np, ctrl_pdata); |
| 2882 | |
| 2883 | rc = mdss_panel_parse_dt_hdmi(np, ctrl_pdata); |
| 2884 | if (rc) |
| 2885 | goto error; |
| 2886 | |
| 2887 | return 0; |
| 2888 | |
| 2889 | error: |
| 2890 | return -EINVAL; |
| 2891 | } |
| 2892 | |
| 2893 | int mdss_dsi_panel_init(struct device_node *node, |
| 2894 | struct mdss_dsi_ctrl_pdata *ctrl_pdata, |
| 2895 | int ndx) |
| 2896 | { |
| 2897 | int rc = 0; |
| 2898 | static const char *panel_name; |
| 2899 | struct mdss_panel_info *pinfo; |
| 2900 | |
| 2901 | if (!node || !ctrl_pdata) { |
| 2902 | pr_err("%s: Invalid arguments\n", __func__); |
| 2903 | return -ENODEV; |
| 2904 | } |
| 2905 | |
| 2906 | pinfo = &ctrl_pdata->panel_data.panel_info; |
| 2907 | |
| 2908 | pr_debug("%s:%d\n", __func__, __LINE__); |
| 2909 | pinfo->panel_name[0] = '\0'; |
| 2910 | panel_name = of_get_property(node, "qcom,mdss-dsi-panel-name", NULL); |
| 2911 | if (!panel_name) { |
| 2912 | pr_info("%s:%d, Panel name not specified\n", |
| 2913 | __func__, __LINE__); |
| 2914 | } else { |
| 2915 | pr_info("%s: Panel Name = %s\n", __func__, panel_name); |
| 2916 | strlcpy(&pinfo->panel_name[0], panel_name, MDSS_MAX_PANEL_LEN); |
| 2917 | } |
| 2918 | rc = mdss_panel_parse_dt(node, ctrl_pdata); |
| 2919 | if (rc) { |
| 2920 | pr_err("%s:%d panel dt parse failed\n", __func__, __LINE__); |
| 2921 | return rc; |
| 2922 | } |
| 2923 | |
| 2924 | pinfo->dynamic_switch_pending = false; |
| 2925 | pinfo->is_lpm_mode = false; |
| 2926 | pinfo->esd_rdy = false; |
| 2927 | pinfo->persist_mode = false; |
| 2928 | |
| 2929 | ctrl_pdata->on = mdss_dsi_panel_on; |
| 2930 | ctrl_pdata->post_panel_on = mdss_dsi_post_panel_on; |
| 2931 | ctrl_pdata->off = mdss_dsi_panel_off; |
| 2932 | ctrl_pdata->low_power_config = mdss_dsi_panel_low_power_config; |
| 2933 | ctrl_pdata->panel_data.set_backlight = mdss_dsi_panel_bl_ctrl; |
| 2934 | ctrl_pdata->panel_data.apply_display_setting = |
| 2935 | mdss_dsi_panel_apply_display_setting; |
| 2936 | ctrl_pdata->switch_mode = mdss_dsi_panel_switch_mode; |
| 2937 | ctrl_pdata->panel_data.get_idle = mdss_dsi_panel_get_idle_mode; |
| 2938 | return 0; |
| 2939 | } |