Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1 | /* |
Padmanabhan Komanduru | dbd2fb0 | 2016-12-02 15:18:49 +0530 | [diff] [blame] | 2 | * Copyright (c) 2016-2017, The Linux Foundation. All rights reserved. |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 3 | * |
| 4 | * This program is free software; you can redistribute it and/or modify |
| 5 | * it under the terms of the GNU General Public License version 2 and |
| 6 | * only version 2 as published by the Free Software Foundation. |
| 7 | * |
| 8 | * This program is distributed in the hope that it will be useful, |
| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 11 | * GNU General Public License for more details. |
| 12 | * |
| 13 | */ |
| 14 | |
Lloyd Atkinson | e53b737 | 2017-03-22 17:16:47 -0400 | [diff] [blame] | 15 | #define pr_fmt(fmt) "msm-dsi-panel:[%s:%d] " fmt, __func__, __LINE__ |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 16 | #include <linux/delay.h> |
| 17 | #include <linux/slab.h> |
| 18 | #include <linux/gpio.h> |
| 19 | #include <linux/of_gpio.h> |
Lloyd Atkinson | e53b737 | 2017-03-22 17:16:47 -0400 | [diff] [blame] | 20 | #include <video/mipi_display.h> |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 21 | |
| 22 | #include "dsi_panel.h" |
| 23 | #include "dsi_ctrl_hw.h" |
| 24 | |
Jeykumar Sankaran | 6b345ac | 2017-03-15 19:17:19 -0700 | [diff] [blame] | 25 | /** |
| 26 | * topology is currently defined by a set of following 3 values: |
| 27 | * 1. num of layer mixers |
| 28 | * 2. num of compression encoders |
| 29 | * 3. num of interfaces |
| 30 | */ |
| 31 | #define TOPOLOGY_SET_LEN 3 |
Jeykumar Sankaran | 6b345ac | 2017-03-15 19:17:19 -0700 | [diff] [blame] | 32 | #define MAX_TOPOLOGY 5 |
| 33 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 34 | #define DSI_PANEL_DEFAULT_LABEL "Default dsi panel" |
| 35 | |
Alan Kwong | 9aa061c | 2016-11-06 21:17:12 -0500 | [diff] [blame] | 36 | #define DEFAULT_MDP_TRANSFER_TIME 14000 |
| 37 | |
Dhaval Patel | f5cc5a3 | 2017-07-10 17:33:23 -0700 | [diff] [blame] | 38 | #define DEFAULT_PANEL_JITTER_NUMERATOR 2 |
| 39 | #define DEFAULT_PANEL_JITTER_DENOMINATOR 1 |
| 40 | #define DEFAULT_PANEL_JITTER_ARRAY_SIZE 2 |
| 41 | #define MAX_PANEL_JITTER 10 |
| 42 | #define DEFAULT_PANEL_PREFILL_LINES 25 |
Dhaval Patel | 60e1ff5 | 2017-02-18 21:03:40 -0800 | [diff] [blame] | 43 | |
Rajkumar Subbiah | c70dfab | 2017-06-16 10:46:32 -0400 | [diff] [blame] | 44 | enum dsi_dsc_ratio_type { |
| 45 | DSC_8BPC_8BPP, |
| 46 | DSC_10BPC_8BPP, |
| 47 | DSC_12BPC_8BPP, |
| 48 | DSC_RATIO_TYPE_MAX |
| 49 | }; |
| 50 | |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 51 | static u32 dsi_dsc_rc_buf_thresh[] = {0x0e, 0x1c, 0x2a, 0x38, 0x46, 0x54, |
| 52 | 0x62, 0x69, 0x70, 0x77, 0x79, 0x7b, 0x7d, 0x7e}; |
Rajkumar Subbiah | c70dfab | 2017-06-16 10:46:32 -0400 | [diff] [blame] | 53 | |
| 54 | /* |
| 55 | * DSC 1.1 |
| 56 | * Rate control - Min QP values for each ratio type in dsi_dsc_ratio_type |
| 57 | */ |
| 58 | static char dsi_dsc_rc_range_min_qp_1_1[][15] = { |
| 59 | {0, 0, 1, 1, 3, 3, 3, 3, 3, 3, 5, 5, 5, 7, 13}, |
| 60 | {0, 4, 5, 5, 7, 7, 7, 7, 7, 7, 9, 9, 9, 11, 17}, |
| 61 | {0, 4, 9, 9, 11, 11, 11, 11, 11, 11, 13, 13, 13, 15, 21}, |
| 62 | }; |
| 63 | |
| 64 | /* |
| 65 | * DSC 1.1 SCR |
| 66 | * Rate control - Min QP values for each ratio type in dsi_dsc_ratio_type |
| 67 | */ |
| 68 | static char dsi_dsc_rc_range_min_qp_1_1_scr1[][15] = { |
| 69 | {0, 0, 1, 1, 3, 3, 3, 3, 3, 3, 5, 5, 5, 9, 12}, |
| 70 | {0, 4, 5, 5, 7, 7, 7, 7, 7, 7, 9, 9, 9, 13, 16}, |
| 71 | {0, 4, 9, 9, 11, 11, 11, 11, 11, 11, 13, 13, 13, 17, 20}, |
| 72 | }; |
| 73 | |
| 74 | /* |
| 75 | * DSC 1.1 |
| 76 | * Rate control - Max QP values for each ratio type in dsi_dsc_ratio_type |
| 77 | */ |
| 78 | static char dsi_dsc_rc_range_max_qp_1_1[][15] = { |
| 79 | {4, 4, 5, 6, 7, 7, 7, 8, 9, 10, 11, 12, 13, 13, 15}, |
| 80 | {8, 8, 9, 10, 11, 11, 11, 12, 13, 14, 15, 16, 17, 17, 19}, |
| 81 | {12, 12, 13, 14, 15, 15, 15, 16, 17, 18, 19, 20, 21, 21, 23}, |
| 82 | }; |
| 83 | |
| 84 | /* |
| 85 | * DSC 1.1 SCR |
| 86 | * Rate control - Max QP values for each ratio type in dsi_dsc_ratio_type |
| 87 | */ |
| 88 | static char dsi_dsc_rc_range_max_qp_1_1_scr1[][15] = { |
| 89 | {4, 4, 5, 6, 7, 7, 7, 8, 9, 10, 10, 11, 11, 12, 13}, |
| 90 | {8, 8, 9, 10, 11, 11, 11, 12, 13, 14, 14, 15, 15, 16, 17}, |
| 91 | {12, 12, 13, 14, 15, 15, 15, 16, 17, 18, 18, 19, 19, 20, 21}, |
| 92 | }; |
| 93 | |
| 94 | /* |
| 95 | * DSC 1.1 and DSC 1.1 SCR |
| 96 | * Rate control - bpg offset values |
| 97 | */ |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 98 | static char dsi_dsc_rc_range_bpg_offset[] = {2, 0, 0, -2, -4, -6, -8, -8, |
| 99 | -8, -10, -10, -12, -12, -12, -12}; |
| 100 | |
| 101 | int dsi_dsc_create_pps_buf_cmd(struct msm_display_dsc_info *dsc, char *buf, |
| 102 | int pps_id) |
| 103 | { |
| 104 | char *bp; |
| 105 | char data; |
| 106 | int i, bpp; |
| 107 | char *dbgbp; |
| 108 | |
| 109 | dbgbp = buf; |
| 110 | bp = buf; |
| 111 | /* First 7 bytes are cmd header */ |
| 112 | *bp++ = 0x0A; |
| 113 | *bp++ = 1; |
| 114 | *bp++ = 0; |
| 115 | *bp++ = 0; |
| 116 | *bp++ = 10; |
| 117 | *bp++ = 0; |
| 118 | *bp++ = 128; |
| 119 | |
| 120 | *bp++ = (dsc->version & 0xff); /* pps0 */ |
| 121 | *bp++ = (pps_id & 0xff); /* pps1 */ |
| 122 | bp++; /* pps2, reserved */ |
| 123 | |
| 124 | data = dsc->line_buf_depth & 0x0f; |
| 125 | data |= ((dsc->bpc & 0xf) << 4); |
| 126 | *bp++ = data; /* pps3 */ |
| 127 | |
| 128 | bpp = dsc->bpp; |
| 129 | bpp <<= 4; /* 4 fraction bits */ |
| 130 | data = (bpp >> 8); |
| 131 | data &= 0x03; /* upper two bits */ |
| 132 | data |= ((dsc->block_pred_enable & 0x1) << 5); |
| 133 | data |= ((dsc->convert_rgb & 0x1) << 4); |
| 134 | data |= ((dsc->enable_422 & 0x1) << 3); |
| 135 | data |= ((dsc->vbr_enable & 0x1) << 2); |
| 136 | *bp++ = data; /* pps4 */ |
| 137 | *bp++ = (bpp & 0xff); /* pps5 */ |
| 138 | |
| 139 | *bp++ = ((dsc->pic_height >> 8) & 0xff); /* pps6 */ |
| 140 | *bp++ = (dsc->pic_height & 0x0ff); /* pps7 */ |
| 141 | *bp++ = ((dsc->pic_width >> 8) & 0xff); /* pps8 */ |
| 142 | *bp++ = (dsc->pic_width & 0x0ff); /* pps9 */ |
| 143 | |
| 144 | *bp++ = ((dsc->slice_height >> 8) & 0xff);/* pps10 */ |
| 145 | *bp++ = (dsc->slice_height & 0x0ff); /* pps11 */ |
| 146 | *bp++ = ((dsc->slice_width >> 8) & 0xff); /* pps12 */ |
| 147 | *bp++ = (dsc->slice_width & 0x0ff); /* pps13 */ |
| 148 | |
| 149 | *bp++ = ((dsc->chunk_size >> 8) & 0xff);/* pps14 */ |
| 150 | *bp++ = (dsc->chunk_size & 0x0ff); /* pps15 */ |
| 151 | |
| 152 | *bp++ = (dsc->initial_xmit_delay >> 8) & 0x3; /* pps16, bit 0, 1 */ |
| 153 | *bp++ = (dsc->initial_xmit_delay & 0xff);/* pps17 */ |
| 154 | |
| 155 | *bp++ = ((dsc->initial_dec_delay >> 8) & 0xff); /* pps18 */ |
| 156 | *bp++ = (dsc->initial_dec_delay & 0xff);/* pps19 */ |
| 157 | |
| 158 | bp++; /* pps20, reserved */ |
| 159 | |
| 160 | *bp++ = (dsc->initial_scale_value & 0x3f); /* pps21 */ |
| 161 | |
| 162 | *bp++ = ((dsc->scale_increment_interval >> 8) & 0xff); /* pps22 */ |
| 163 | *bp++ = (dsc->scale_increment_interval & 0xff); /* pps23 */ |
| 164 | |
| 165 | *bp++ = ((dsc->scale_decrement_interval >> 8) & 0xf); /* pps24 */ |
| 166 | *bp++ = (dsc->scale_decrement_interval & 0x0ff);/* pps25 */ |
| 167 | |
| 168 | bp++; /* pps26, reserved */ |
| 169 | |
| 170 | *bp++ = (dsc->first_line_bpg_offset & 0x1f);/* pps27 */ |
| 171 | |
| 172 | *bp++ = ((dsc->nfl_bpg_offset >> 8) & 0xff);/* pps28 */ |
| 173 | *bp++ = (dsc->nfl_bpg_offset & 0x0ff); /* pps29 */ |
| 174 | *bp++ = ((dsc->slice_bpg_offset >> 8) & 0xff);/* pps30 */ |
| 175 | *bp++ = (dsc->slice_bpg_offset & 0x0ff);/* pps31 */ |
| 176 | |
| 177 | *bp++ = ((dsc->initial_offset >> 8) & 0xff);/* pps32 */ |
| 178 | *bp++ = (dsc->initial_offset & 0x0ff); /* pps33 */ |
| 179 | |
| 180 | *bp++ = ((dsc->final_offset >> 8) & 0xff);/* pps34 */ |
| 181 | *bp++ = (dsc->final_offset & 0x0ff); /* pps35 */ |
| 182 | |
| 183 | *bp++ = (dsc->min_qp_flatness & 0x1f); /* pps36 */ |
| 184 | *bp++ = (dsc->max_qp_flatness & 0x1f); /* pps37 */ |
| 185 | |
| 186 | *bp++ = ((dsc->rc_model_size >> 8) & 0xff);/* pps38 */ |
| 187 | *bp++ = (dsc->rc_model_size & 0x0ff); /* pps39 */ |
| 188 | |
| 189 | *bp++ = (dsc->edge_factor & 0x0f); /* pps40 */ |
| 190 | |
| 191 | *bp++ = (dsc->quant_incr_limit0 & 0x1f); /* pps41 */ |
| 192 | *bp++ = (dsc->quant_incr_limit1 & 0x1f); /* pps42 */ |
| 193 | |
| 194 | data = ((dsc->tgt_offset_hi & 0xf) << 4); |
| 195 | data |= (dsc->tgt_offset_lo & 0x0f); |
| 196 | *bp++ = data; /* pps43 */ |
| 197 | |
| 198 | for (i = 0; i < 14; i++) |
| 199 | *bp++ = (dsc->buf_thresh[i] & 0xff); /* pps44 - pps57 */ |
| 200 | |
| 201 | for (i = 0; i < 15; i++) { /* pps58 - pps87 */ |
| 202 | data = (dsc->range_min_qp[i] & 0x1f); |
| 203 | data <<= 3; |
| 204 | data |= ((dsc->range_max_qp[i] >> 2) & 0x07); |
| 205 | *bp++ = data; |
| 206 | data = (dsc->range_max_qp[i] & 0x03); |
| 207 | data <<= 6; |
| 208 | data |= (dsc->range_bpg_offset[i] & 0x3f); |
| 209 | *bp++ = data; |
| 210 | } |
| 211 | |
| 212 | return 128; |
| 213 | } |
| 214 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 215 | static int dsi_panel_vreg_get(struct dsi_panel *panel) |
| 216 | { |
| 217 | int rc = 0; |
| 218 | int i; |
| 219 | struct regulator *vreg = NULL; |
| 220 | |
| 221 | for (i = 0; i < panel->power_info.count; i++) { |
| 222 | vreg = devm_regulator_get(panel->parent, |
| 223 | panel->power_info.vregs[i].vreg_name); |
| 224 | rc = PTR_RET(vreg); |
| 225 | if (rc) { |
| 226 | pr_err("failed to get %s regulator\n", |
| 227 | panel->power_info.vregs[i].vreg_name); |
| 228 | goto error_put; |
| 229 | } |
| 230 | panel->power_info.vregs[i].vreg = vreg; |
| 231 | } |
| 232 | |
| 233 | return rc; |
| 234 | error_put: |
| 235 | for (i = i - 1; i >= 0; i--) { |
| 236 | devm_regulator_put(panel->power_info.vregs[i].vreg); |
| 237 | panel->power_info.vregs[i].vreg = NULL; |
| 238 | } |
| 239 | return rc; |
| 240 | } |
| 241 | |
| 242 | static int dsi_panel_vreg_put(struct dsi_panel *panel) |
| 243 | { |
| 244 | int rc = 0; |
| 245 | int i; |
| 246 | |
| 247 | for (i = panel->power_info.count - 1; i >= 0; i--) |
| 248 | devm_regulator_put(panel->power_info.vregs[i].vreg); |
| 249 | |
| 250 | return rc; |
| 251 | } |
| 252 | |
| 253 | static int dsi_panel_gpio_request(struct dsi_panel *panel) |
| 254 | { |
| 255 | int rc = 0; |
| 256 | struct dsi_panel_reset_config *r_config = &panel->reset_config; |
| 257 | |
| 258 | if (gpio_is_valid(r_config->reset_gpio)) { |
| 259 | rc = gpio_request(r_config->reset_gpio, "reset_gpio"); |
| 260 | if (rc) { |
| 261 | pr_err("request for reset_gpio failed, rc=%d\n", rc); |
| 262 | goto error; |
| 263 | } |
| 264 | } |
| 265 | |
| 266 | if (gpio_is_valid(r_config->disp_en_gpio)) { |
| 267 | rc = gpio_request(r_config->disp_en_gpio, "disp_en_gpio"); |
| 268 | if (rc) { |
| 269 | pr_err("request for disp_en_gpio failed, rc=%d\n", rc); |
| 270 | goto error_release_reset; |
| 271 | } |
| 272 | } |
| 273 | |
| 274 | if (gpio_is_valid(panel->bl_config.en_gpio)) { |
| 275 | rc = gpio_request(panel->bl_config.en_gpio, "bklt_en_gpio"); |
| 276 | if (rc) { |
| 277 | pr_err("request for bklt_en_gpio failed, rc=%d\n", rc); |
| 278 | goto error_release_disp_en; |
| 279 | } |
| 280 | } |
| 281 | |
Padmanabhan Komanduru | edfe6ff | 2016-12-19 12:37:04 +0530 | [diff] [blame] | 282 | if (gpio_is_valid(r_config->lcd_mode_sel_gpio)) { |
| 283 | rc = gpio_request(r_config->lcd_mode_sel_gpio, "mode_gpio"); |
| 284 | if (rc) { |
| 285 | pr_err("request for mode_gpio failed, rc=%d\n", rc); |
| 286 | goto error_release_mode_sel; |
| 287 | } |
| 288 | } |
| 289 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 290 | goto error; |
Padmanabhan Komanduru | edfe6ff | 2016-12-19 12:37:04 +0530 | [diff] [blame] | 291 | error_release_mode_sel: |
| 292 | if (gpio_is_valid(panel->bl_config.en_gpio)) |
| 293 | gpio_free(panel->bl_config.en_gpio); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 294 | error_release_disp_en: |
| 295 | if (gpio_is_valid(r_config->disp_en_gpio)) |
| 296 | gpio_free(r_config->disp_en_gpio); |
| 297 | error_release_reset: |
| 298 | if (gpio_is_valid(r_config->reset_gpio)) |
| 299 | gpio_free(r_config->reset_gpio); |
| 300 | error: |
| 301 | return rc; |
| 302 | } |
| 303 | |
| 304 | static int dsi_panel_gpio_release(struct dsi_panel *panel) |
| 305 | { |
| 306 | int rc = 0; |
| 307 | struct dsi_panel_reset_config *r_config = &panel->reset_config; |
| 308 | |
| 309 | if (gpio_is_valid(r_config->reset_gpio)) |
| 310 | gpio_free(r_config->reset_gpio); |
| 311 | |
| 312 | if (gpio_is_valid(r_config->disp_en_gpio)) |
| 313 | gpio_free(r_config->disp_en_gpio); |
| 314 | |
Ajay Singh Parmar | d687e09 | 2016-06-27 11:46:54 -0700 | [diff] [blame] | 315 | if (gpio_is_valid(panel->bl_config.en_gpio)) |
| 316 | gpio_free(panel->bl_config.en_gpio); |
| 317 | |
Padmanabhan Komanduru | edfe6ff | 2016-12-19 12:37:04 +0530 | [diff] [blame] | 318 | if (gpio_is_valid(panel->reset_config.lcd_mode_sel_gpio)) |
| 319 | gpio_free(panel->reset_config.lcd_mode_sel_gpio); |
| 320 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 321 | return rc; |
| 322 | } |
| 323 | |
| 324 | static int dsi_panel_reset(struct dsi_panel *panel) |
| 325 | { |
| 326 | int rc = 0; |
| 327 | struct dsi_panel_reset_config *r_config = &panel->reset_config; |
| 328 | int i; |
| 329 | |
Ajay Singh Parmar | 4c4cade | 2016-07-21 15:50:50 -0700 | [diff] [blame] | 330 | if (gpio_is_valid(panel->reset_config.disp_en_gpio)) { |
Clarence Ip | 9de0bbc | 2017-03-02 09:56:06 -0500 | [diff] [blame] | 331 | rc = gpio_direction_output(panel->reset_config.disp_en_gpio, 1); |
Ajay Singh Parmar | 4c4cade | 2016-07-21 15:50:50 -0700 | [diff] [blame] | 332 | if (rc) { |
| 333 | pr_err("unable to set dir for disp gpio rc=%d\n", rc); |
| 334 | goto exit; |
| 335 | } |
| 336 | } |
| 337 | |
| 338 | if (r_config->count) { |
| 339 | rc = gpio_direction_output(r_config->reset_gpio, |
| 340 | r_config->sequence[0].level); |
| 341 | if (rc) { |
| 342 | pr_err("unable to set dir for rst gpio rc=%d\n", rc); |
| 343 | goto exit; |
| 344 | } |
| 345 | } |
| 346 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 347 | for (i = 0; i < r_config->count; i++) { |
| 348 | gpio_set_value(r_config->reset_gpio, |
| 349 | r_config->sequence[i].level); |
| 350 | |
| 351 | |
| 352 | if (r_config->sequence[i].sleep_ms) |
| 353 | usleep_range(r_config->sequence[i].sleep_ms * 1000, |
| 354 | r_config->sequence[i].sleep_ms * 1000); |
| 355 | } |
| 356 | |
Ajay Singh Parmar | 4c4cade | 2016-07-21 15:50:50 -0700 | [diff] [blame] | 357 | if (gpio_is_valid(panel->bl_config.en_gpio)) { |
| 358 | rc = gpio_direction_output(panel->bl_config.en_gpio, 1); |
| 359 | if (rc) |
| 360 | pr_err("unable to set dir for bklt gpio rc=%d\n", rc); |
| 361 | } |
Padmanabhan Komanduru | edfe6ff | 2016-12-19 12:37:04 +0530 | [diff] [blame] | 362 | |
| 363 | if (gpio_is_valid(panel->reset_config.lcd_mode_sel_gpio)) { |
| 364 | bool out = true; |
| 365 | |
| 366 | if ((panel->reset_config.mode_sel_state == MODE_SEL_DUAL_PORT) |
| 367 | || (panel->reset_config.mode_sel_state |
| 368 | == MODE_GPIO_LOW)) |
| 369 | out = false; |
| 370 | else if ((panel->reset_config.mode_sel_state |
| 371 | == MODE_SEL_SINGLE_PORT) || |
| 372 | (panel->reset_config.mode_sel_state |
| 373 | == MODE_GPIO_HIGH)) |
| 374 | out = true; |
| 375 | |
| 376 | rc = gpio_direction_output( |
| 377 | panel->reset_config.lcd_mode_sel_gpio, out); |
| 378 | if (rc) |
| 379 | pr_err("unable to set dir for mode gpio rc=%d\n", rc); |
| 380 | } |
Ajay Singh Parmar | 4c4cade | 2016-07-21 15:50:50 -0700 | [diff] [blame] | 381 | exit: |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 382 | return rc; |
| 383 | } |
| 384 | |
| 385 | static int dsi_panel_set_pinctrl_state(struct dsi_panel *panel, bool enable) |
| 386 | { |
| 387 | int rc = 0; |
| 388 | struct pinctrl_state *state; |
| 389 | |
| 390 | if (enable) |
| 391 | state = panel->pinctrl.active; |
| 392 | else |
| 393 | state = panel->pinctrl.suspend; |
| 394 | |
| 395 | rc = pinctrl_select_state(panel->pinctrl.pinctrl, state); |
| 396 | if (rc) |
| 397 | pr_err("[%s] failed to set pin state, rc=%d\n", panel->name, |
| 398 | rc); |
| 399 | |
| 400 | return rc; |
| 401 | } |
| 402 | |
| 403 | |
| 404 | static int dsi_panel_power_on(struct dsi_panel *panel) |
| 405 | { |
| 406 | int rc = 0; |
| 407 | |
| 408 | rc = dsi_pwr_enable_regulator(&panel->power_info, true); |
| 409 | if (rc) { |
| 410 | pr_err("[%s] failed to enable vregs, rc=%d\n", panel->name, rc); |
Lloyd Atkinson | e176254 | 2016-07-13 17:27:14 -0400 | [diff] [blame] | 411 | goto exit; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 412 | } |
| 413 | |
| 414 | rc = dsi_panel_set_pinctrl_state(panel, true); |
| 415 | if (rc) { |
| 416 | pr_err("[%s] failed to set pinctrl, rc=%d\n", panel->name, rc); |
| 417 | goto error_disable_vregs; |
| 418 | } |
| 419 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 420 | rc = dsi_panel_reset(panel); |
| 421 | if (rc) { |
| 422 | pr_err("[%s] failed to reset panel, rc=%d\n", panel->name, rc); |
Lloyd Atkinson | e176254 | 2016-07-13 17:27:14 -0400 | [diff] [blame] | 423 | goto error_disable_gpio; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 424 | } |
| 425 | |
Lloyd Atkinson | e176254 | 2016-07-13 17:27:14 -0400 | [diff] [blame] | 426 | goto exit; |
| 427 | |
| 428 | error_disable_gpio: |
| 429 | if (gpio_is_valid(panel->reset_config.disp_en_gpio)) |
| 430 | gpio_set_value(panel->reset_config.disp_en_gpio, 0); |
| 431 | |
| 432 | if (gpio_is_valid(panel->bl_config.en_gpio)) |
| 433 | gpio_set_value(panel->bl_config.en_gpio, 0); |
| 434 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 435 | (void)dsi_panel_set_pinctrl_state(panel, false); |
Lloyd Atkinson | e176254 | 2016-07-13 17:27:14 -0400 | [diff] [blame] | 436 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 437 | error_disable_vregs: |
| 438 | (void)dsi_pwr_enable_regulator(&panel->power_info, false); |
Lloyd Atkinson | e176254 | 2016-07-13 17:27:14 -0400 | [diff] [blame] | 439 | |
| 440 | exit: |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 441 | return rc; |
| 442 | } |
| 443 | |
| 444 | static int dsi_panel_power_off(struct dsi_panel *panel) |
| 445 | { |
| 446 | int rc = 0; |
| 447 | |
| 448 | if (gpio_is_valid(panel->reset_config.disp_en_gpio)) |
| 449 | gpio_set_value(panel->reset_config.disp_en_gpio, 0); |
| 450 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 451 | if (gpio_is_valid(panel->reset_config.reset_gpio)) |
| 452 | gpio_set_value(panel->reset_config.reset_gpio, 0); |
| 453 | |
Padmanabhan Komanduru | edfe6ff | 2016-12-19 12:37:04 +0530 | [diff] [blame] | 454 | if (gpio_is_valid(panel->reset_config.lcd_mode_sel_gpio)) |
| 455 | gpio_set_value(panel->reset_config.lcd_mode_sel_gpio, 0); |
| 456 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 457 | rc = dsi_panel_set_pinctrl_state(panel, false); |
| 458 | if (rc) { |
| 459 | pr_err("[%s] failed set pinctrl state, rc=%d\n", panel->name, |
| 460 | rc); |
| 461 | } |
| 462 | |
| 463 | rc = dsi_pwr_enable_regulator(&panel->power_info, false); |
| 464 | if (rc) |
| 465 | pr_err("[%s] failed to enable vregs, rc=%d\n", panel->name, rc); |
| 466 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 467 | return rc; |
| 468 | } |
| 469 | static int dsi_panel_tx_cmd_set(struct dsi_panel *panel, |
| 470 | enum dsi_cmd_set_type type) |
| 471 | { |
| 472 | int rc = 0, i = 0; |
| 473 | ssize_t len; |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 474 | struct dsi_cmd_desc *cmds; |
| 475 | u32 count; |
| 476 | enum dsi_cmd_set_state state; |
| 477 | struct dsi_display_mode *mode; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 478 | const struct mipi_dsi_host_ops *ops = panel->host->ops; |
| 479 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 480 | if (!panel || !panel->cur_mode) |
| 481 | return -EINVAL; |
| 482 | |
| 483 | mode = panel->cur_mode; |
| 484 | |
| 485 | cmds = mode->priv_info->cmd_sets[type].cmds; |
| 486 | count = mode->priv_info->cmd_sets[type].count; |
| 487 | state = mode->priv_info->cmd_sets[type].state; |
| 488 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 489 | if (count == 0) { |
| 490 | pr_debug("[%s] No commands to be sent for state(%d)\n", |
| 491 | panel->name, type); |
| 492 | goto error; |
| 493 | } |
| 494 | |
| 495 | for (i = 0; i < count; i++) { |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 496 | if (state == DSI_CMD_SET_STATE_LP) |
| 497 | cmds->msg.flags |= MIPI_DSI_MSG_USE_LPM; |
| 498 | |
Vara Reddy | 326612b | 2017-09-20 04:41:10 -0700 | [diff] [blame] | 499 | if (cmds->last_command) |
| 500 | cmds->msg.flags |= MIPI_DSI_MSG_LASTCOMMAND; |
| 501 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 502 | len = ops->transfer(panel->host, &cmds->msg); |
| 503 | if (len < 0) { |
| 504 | rc = len; |
| 505 | pr_err("failed to set cmds(%d), rc=%d\n", type, rc); |
| 506 | goto error; |
| 507 | } |
| 508 | if (cmds->post_wait_ms) |
Shashank Babu Chinta Venkata | fd4d703 | 2017-11-16 16:24:23 -0800 | [diff] [blame] | 509 | usleep_range(cmds->post_wait_ms*1000, |
| 510 | ((cmds->post_wait_ms*1000)+10)); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 511 | cmds++; |
| 512 | } |
| 513 | error: |
| 514 | return rc; |
| 515 | } |
| 516 | |
| 517 | static int dsi_panel_pinctrl_deinit(struct dsi_panel *panel) |
| 518 | { |
| 519 | int rc = 0; |
| 520 | |
| 521 | devm_pinctrl_put(panel->pinctrl.pinctrl); |
| 522 | |
| 523 | return rc; |
| 524 | } |
| 525 | |
| 526 | static int dsi_panel_pinctrl_init(struct dsi_panel *panel) |
| 527 | { |
| 528 | int rc = 0; |
| 529 | |
| 530 | /* TODO: pinctrl is defined in dsi dt node */ |
| 531 | panel->pinctrl.pinctrl = devm_pinctrl_get(panel->parent); |
| 532 | if (IS_ERR_OR_NULL(panel->pinctrl.pinctrl)) { |
| 533 | rc = PTR_ERR(panel->pinctrl.pinctrl); |
| 534 | pr_err("failed to get pinctrl, rc=%d\n", rc); |
| 535 | goto error; |
| 536 | } |
| 537 | |
| 538 | panel->pinctrl.active = pinctrl_lookup_state(panel->pinctrl.pinctrl, |
| 539 | "panel_active"); |
| 540 | if (IS_ERR_OR_NULL(panel->pinctrl.active)) { |
| 541 | rc = PTR_ERR(panel->pinctrl.active); |
| 542 | pr_err("failed to get pinctrl active state, rc=%d\n", rc); |
| 543 | goto error; |
| 544 | } |
| 545 | |
| 546 | panel->pinctrl.suspend = |
| 547 | pinctrl_lookup_state(panel->pinctrl.pinctrl, "panel_suspend"); |
| 548 | |
| 549 | if (IS_ERR_OR_NULL(panel->pinctrl.suspend)) { |
| 550 | rc = PTR_ERR(panel->pinctrl.suspend); |
| 551 | pr_err("failed to get pinctrl suspend state, rc=%d\n", rc); |
| 552 | goto error; |
| 553 | } |
| 554 | |
| 555 | error: |
| 556 | return rc; |
| 557 | } |
| 558 | |
Dhaval Patel | 6a52953 | 2016-09-27 16:33:24 -0700 | [diff] [blame] | 559 | #ifdef CONFIG_LEDS_TRIGGERS |
| 560 | static int dsi_panel_led_bl_register(struct dsi_panel *panel, |
| 561 | struct dsi_backlight_config *bl) |
| 562 | { |
| 563 | int rc = 0; |
| 564 | |
| 565 | led_trigger_register_simple("bkl-trigger", &bl->wled); |
| 566 | |
| 567 | /* LED APIs don't tell us directly whether a classdev has yet |
| 568 | * been registered to service this trigger. Until classdev is |
| 569 | * registered, calling led_trigger has no effect, and doesn't |
| 570 | * fail. Classdevs are associated with any registered triggers |
| 571 | * when they do register, but that is too late for FBCon. |
| 572 | * Check the cdev list directly and defer if appropriate. |
| 573 | */ |
| 574 | if (!bl->wled) { |
| 575 | pr_err("[%s] backlight registration failed\n", panel->name); |
| 576 | rc = -EINVAL; |
| 577 | } else { |
| 578 | read_lock(&bl->wled->leddev_list_lock); |
| 579 | if (list_empty(&bl->wled->led_cdevs)) |
| 580 | rc = -EPROBE_DEFER; |
| 581 | read_unlock(&bl->wled->leddev_list_lock); |
| 582 | |
| 583 | if (rc) { |
| 584 | pr_info("[%s] backlight %s not ready, defer probe\n", |
| 585 | panel->name, bl->wled->name); |
| 586 | led_trigger_unregister_simple(bl->wled); |
| 587 | } |
| 588 | } |
| 589 | |
| 590 | return rc; |
| 591 | } |
| 592 | #else |
| 593 | static int dsi_panel_led_bl_register(struct dsi_panel *panel, |
| 594 | struct dsi_backlight_config *bl) |
| 595 | { |
| 596 | return 0; |
| 597 | } |
| 598 | #endif |
| 599 | |
Ingrid Gallardo | 354c117 | 2017-04-21 15:40:16 -0700 | [diff] [blame] | 600 | static int dsi_panel_update_backlight(struct dsi_panel *panel, |
| 601 | u32 bl_lvl) |
| 602 | { |
| 603 | int rc = 0; |
| 604 | struct mipi_dsi_device *dsi; |
| 605 | |
| 606 | if (!panel || (bl_lvl > 0xffff)) { |
| 607 | pr_err("invalid params\n"); |
| 608 | return -EINVAL; |
| 609 | } |
| 610 | |
| 611 | dsi = &panel->mipi_device; |
| 612 | |
| 613 | mutex_lock(&panel->panel_lock); |
| 614 | |
| 615 | rc = mipi_dsi_dcs_set_display_brightness(dsi, bl_lvl); |
| 616 | if (rc < 0) |
| 617 | pr_err("failed to update dcs backlight:%d\n", bl_lvl); |
| 618 | |
| 619 | mutex_unlock(&panel->panel_lock); |
| 620 | return rc; |
| 621 | } |
| 622 | |
Vishnuvardhan Prodduturi | 75b9680 | 2016-10-17 18:45:55 +0530 | [diff] [blame] | 623 | int dsi_panel_set_backlight(struct dsi_panel *panel, u32 bl_lvl) |
| 624 | { |
| 625 | int rc = 0; |
| 626 | struct dsi_backlight_config *bl = &panel->bl_config; |
| 627 | |
Ingrid Gallardo | 354c117 | 2017-04-21 15:40:16 -0700 | [diff] [blame] | 628 | pr_debug("backlight type:%d lvl:%d\n", bl->type, bl_lvl); |
Vishnuvardhan Prodduturi | 75b9680 | 2016-10-17 18:45:55 +0530 | [diff] [blame] | 629 | switch (bl->type) { |
| 630 | case DSI_BACKLIGHT_WLED: |
| 631 | led_trigger_event(bl->wled, bl_lvl); |
| 632 | break; |
Ingrid Gallardo | 354c117 | 2017-04-21 15:40:16 -0700 | [diff] [blame] | 633 | case DSI_BACKLIGHT_DCS: |
| 634 | dsi_panel_update_backlight(panel, bl_lvl); |
| 635 | break; |
Vishnuvardhan Prodduturi | 75b9680 | 2016-10-17 18:45:55 +0530 | [diff] [blame] | 636 | default: |
| 637 | pr_err("Backlight type(%d) not supported\n", bl->type); |
| 638 | rc = -ENOTSUPP; |
| 639 | } |
| 640 | |
| 641 | return rc; |
| 642 | } |
| 643 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 644 | static int dsi_panel_bl_register(struct dsi_panel *panel) |
| 645 | { |
| 646 | int rc = 0; |
| 647 | struct dsi_backlight_config *bl = &panel->bl_config; |
| 648 | |
| 649 | switch (bl->type) { |
| 650 | case DSI_BACKLIGHT_WLED: |
Dhaval Patel | 6a52953 | 2016-09-27 16:33:24 -0700 | [diff] [blame] | 651 | rc = dsi_panel_led_bl_register(panel, bl); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 652 | break; |
Ingrid Gallardo | 354c117 | 2017-04-21 15:40:16 -0700 | [diff] [blame] | 653 | case DSI_BACKLIGHT_DCS: |
| 654 | break; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 655 | default: |
| 656 | pr_err("Backlight type(%d) not supported\n", bl->type); |
| 657 | rc = -ENOTSUPP; |
| 658 | goto error; |
| 659 | } |
| 660 | |
| 661 | error: |
| 662 | return rc; |
| 663 | } |
| 664 | |
| 665 | static int dsi_panel_bl_unregister(struct dsi_panel *panel) |
| 666 | { |
| 667 | int rc = 0; |
| 668 | struct dsi_backlight_config *bl = &panel->bl_config; |
| 669 | |
| 670 | switch (bl->type) { |
| 671 | case DSI_BACKLIGHT_WLED: |
| 672 | led_trigger_unregister_simple(bl->wled); |
| 673 | break; |
Ingrid Gallardo | 354c117 | 2017-04-21 15:40:16 -0700 | [diff] [blame] | 674 | case DSI_BACKLIGHT_DCS: |
| 675 | break; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 676 | default: |
| 677 | pr_err("Backlight type(%d) not supported\n", bl->type); |
| 678 | rc = -ENOTSUPP; |
| 679 | goto error; |
| 680 | } |
| 681 | |
| 682 | error: |
| 683 | return rc; |
| 684 | } |
| 685 | static int dsi_panel_parse_timing(struct dsi_mode_info *mode, |
| 686 | struct device_node *of_node) |
| 687 | { |
| 688 | int rc = 0; |
Vara Reddy | 812bd72 | 2017-09-20 07:19:19 -0700 | [diff] [blame] | 689 | u64 tmp64; |
| 690 | struct dsi_display_mode *display_mode; |
| 691 | |
| 692 | display_mode = container_of(mode, struct dsi_display_mode, timing); |
| 693 | |
| 694 | rc = of_property_read_u64(of_node, |
| 695 | "qcom,mdss-dsi-panel-clockrate", &tmp64); |
| 696 | if (rc == -EOVERFLOW) { |
| 697 | tmp64 = 0; |
| 698 | rc = of_property_read_u32(of_node, |
| 699 | "qcom,mdss-dsi-panel-clockrate", (u32 *)&tmp64); |
| 700 | } |
| 701 | |
| 702 | mode->clk_rate_hz = !rc ? tmp64 : 0; |
| 703 | display_mode->priv_info->clk_rate_hz = mode->clk_rate_hz; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 704 | |
| 705 | rc = of_property_read_u32(of_node, "qcom,mdss-dsi-panel-framerate", |
| 706 | &mode->refresh_rate); |
| 707 | if (rc) { |
| 708 | pr_err("failed to read qcom,mdss-dsi-panel-framerate, rc=%d\n", |
| 709 | rc); |
| 710 | goto error; |
| 711 | } |
| 712 | |
| 713 | rc = of_property_read_u32(of_node, "qcom,mdss-dsi-panel-width", |
| 714 | &mode->h_active); |
| 715 | if (rc) { |
| 716 | pr_err("failed to read qcom,mdss-dsi-panel-width, rc=%d\n", rc); |
| 717 | goto error; |
| 718 | } |
| 719 | |
| 720 | rc = of_property_read_u32(of_node, "qcom,mdss-dsi-h-front-porch", |
| 721 | &mode->h_front_porch); |
| 722 | if (rc) { |
| 723 | pr_err("failed to read qcom,mdss-dsi-h-front-porch, rc=%d\n", |
| 724 | rc); |
| 725 | goto error; |
| 726 | } |
| 727 | |
| 728 | rc = of_property_read_u32(of_node, "qcom,mdss-dsi-h-back-porch", |
| 729 | &mode->h_back_porch); |
| 730 | if (rc) { |
| 731 | pr_err("failed to read qcom,mdss-dsi-h-back-porch, rc=%d\n", |
| 732 | rc); |
| 733 | goto error; |
| 734 | } |
| 735 | |
| 736 | rc = of_property_read_u32(of_node, "qcom,mdss-dsi-h-pulse-width", |
| 737 | &mode->h_sync_width); |
| 738 | if (rc) { |
| 739 | pr_err("failed to read qcom,mdss-dsi-h-pulse-width, rc=%d\n", |
| 740 | rc); |
| 741 | goto error; |
| 742 | } |
| 743 | |
| 744 | rc = of_property_read_u32(of_node, "qcom,mdss-dsi-h-sync-skew", |
| 745 | &mode->h_skew); |
| 746 | if (rc) |
| 747 | pr_err("qcom,mdss-dsi-h-sync-skew is not defined, rc=%d\n", rc); |
| 748 | |
Dhaval Patel | 35ec17e | 2017-10-17 22:20:37 -0700 | [diff] [blame] | 749 | pr_debug("panel horz active:%d front_portch:%d back_porch:%d sync_skew:%d\n", |
| 750 | mode->h_active, mode->h_front_porch, mode->h_back_porch, |
| 751 | mode->h_sync_width); |
| 752 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 753 | rc = of_property_read_u32(of_node, "qcom,mdss-dsi-panel-height", |
| 754 | &mode->v_active); |
| 755 | if (rc) { |
| 756 | pr_err("failed to read qcom,mdss-dsi-panel-height, rc=%d\n", |
| 757 | rc); |
| 758 | goto error; |
| 759 | } |
| 760 | |
| 761 | rc = of_property_read_u32(of_node, "qcom,mdss-dsi-v-back-porch", |
| 762 | &mode->v_back_porch); |
| 763 | if (rc) { |
| 764 | pr_err("failed to read qcom,mdss-dsi-v-back-porch, rc=%d\n", |
| 765 | rc); |
| 766 | goto error; |
| 767 | } |
| 768 | |
| 769 | rc = of_property_read_u32(of_node, "qcom,mdss-dsi-v-front-porch", |
| 770 | &mode->v_front_porch); |
| 771 | if (rc) { |
| 772 | pr_err("failed to read qcom,mdss-dsi-v-back-porch, rc=%d\n", |
| 773 | rc); |
| 774 | goto error; |
| 775 | } |
| 776 | |
| 777 | rc = of_property_read_u32(of_node, "qcom,mdss-dsi-v-pulse-width", |
| 778 | &mode->v_sync_width); |
| 779 | if (rc) { |
| 780 | pr_err("failed to read qcom,mdss-dsi-v-pulse-width, rc=%d\n", |
| 781 | rc); |
| 782 | goto error; |
| 783 | } |
Dhaval Patel | 35ec17e | 2017-10-17 22:20:37 -0700 | [diff] [blame] | 784 | pr_debug("panel vert active:%d front_portch:%d back_porch:%d pulse_width:%d\n", |
| 785 | mode->v_active, mode->v_front_porch, mode->v_back_porch, |
| 786 | mode->v_sync_width); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 787 | |
| 788 | error: |
| 789 | return rc; |
| 790 | } |
| 791 | |
| 792 | static int dsi_panel_parse_pixel_format(struct dsi_host_common_cfg *host, |
| 793 | struct device_node *of_node, |
| 794 | const char *name) |
| 795 | { |
| 796 | int rc = 0; |
| 797 | u32 bpp = 0; |
| 798 | enum dsi_pixel_format fmt; |
| 799 | const char *packing; |
| 800 | |
| 801 | rc = of_property_read_u32(of_node, "qcom,mdss-dsi-bpp", &bpp); |
| 802 | if (rc) { |
| 803 | pr_err("[%s] failed to read qcom,mdss-dsi-bpp, rc=%d\n", |
| 804 | name, rc); |
| 805 | return rc; |
| 806 | } |
| 807 | |
| 808 | switch (bpp) { |
| 809 | case 3: |
| 810 | fmt = DSI_PIXEL_FORMAT_RGB111; |
| 811 | break; |
| 812 | case 8: |
| 813 | fmt = DSI_PIXEL_FORMAT_RGB332; |
| 814 | break; |
| 815 | case 12: |
| 816 | fmt = DSI_PIXEL_FORMAT_RGB444; |
| 817 | break; |
| 818 | case 16: |
| 819 | fmt = DSI_PIXEL_FORMAT_RGB565; |
| 820 | break; |
| 821 | case 18: |
| 822 | fmt = DSI_PIXEL_FORMAT_RGB666; |
| 823 | break; |
| 824 | case 24: |
| 825 | default: |
| 826 | fmt = DSI_PIXEL_FORMAT_RGB888; |
| 827 | break; |
| 828 | } |
| 829 | |
| 830 | if (fmt == DSI_PIXEL_FORMAT_RGB666) { |
| 831 | packing = of_get_property(of_node, |
| 832 | "qcom,mdss-dsi-pixel-packing", |
| 833 | NULL); |
| 834 | if (packing && !strcmp(packing, "loose")) |
| 835 | fmt = DSI_PIXEL_FORMAT_RGB666_LOOSE; |
| 836 | } |
| 837 | |
| 838 | host->dst_format = fmt; |
| 839 | return rc; |
| 840 | } |
| 841 | |
| 842 | static int dsi_panel_parse_lane_states(struct dsi_host_common_cfg *host, |
| 843 | struct device_node *of_node, |
| 844 | const char *name) |
| 845 | { |
| 846 | int rc = 0; |
| 847 | bool lane_enabled; |
| 848 | |
| 849 | lane_enabled = of_property_read_bool(of_node, |
| 850 | "qcom,mdss-dsi-lane-0-state"); |
| 851 | host->data_lanes |= (lane_enabled ? DSI_DATA_LANE_0 : 0); |
| 852 | |
| 853 | lane_enabled = of_property_read_bool(of_node, |
| 854 | "qcom,mdss-dsi-lane-1-state"); |
| 855 | host->data_lanes |= (lane_enabled ? DSI_DATA_LANE_1 : 0); |
| 856 | |
| 857 | lane_enabled = of_property_read_bool(of_node, |
| 858 | "qcom,mdss-dsi-lane-2-state"); |
| 859 | host->data_lanes |= (lane_enabled ? DSI_DATA_LANE_2 : 0); |
| 860 | |
| 861 | lane_enabled = of_property_read_bool(of_node, |
| 862 | "qcom,mdss-dsi-lane-3-state"); |
| 863 | host->data_lanes |= (lane_enabled ? DSI_DATA_LANE_3 : 0); |
| 864 | |
| 865 | if (host->data_lanes == 0) { |
| 866 | pr_err("[%s] No data lanes are enabled, rc=%d\n", name, rc); |
| 867 | rc = -EINVAL; |
| 868 | } |
| 869 | |
| 870 | return rc; |
| 871 | } |
| 872 | |
| 873 | static int dsi_panel_parse_color_swap(struct dsi_host_common_cfg *host, |
| 874 | struct device_node *of_node, |
| 875 | const char *name) |
| 876 | { |
| 877 | int rc = 0; |
| 878 | const char *swap_mode; |
| 879 | |
| 880 | swap_mode = of_get_property(of_node, "qcom,mdss-dsi-color-order", NULL); |
| 881 | if (swap_mode) { |
| 882 | if (!strcmp(swap_mode, "rgb_swap_rgb")) { |
| 883 | host->swap_mode = DSI_COLOR_SWAP_RGB; |
| 884 | } else if (!strcmp(swap_mode, "rgb_swap_rbg")) { |
| 885 | host->swap_mode = DSI_COLOR_SWAP_RBG; |
| 886 | } else if (!strcmp(swap_mode, "rgb_swap_brg")) { |
| 887 | host->swap_mode = DSI_COLOR_SWAP_BRG; |
| 888 | } else if (!strcmp(swap_mode, "rgb_swap_grb")) { |
| 889 | host->swap_mode = DSI_COLOR_SWAP_GRB; |
| 890 | } else if (!strcmp(swap_mode, "rgb_swap_gbr")) { |
| 891 | host->swap_mode = DSI_COLOR_SWAP_GBR; |
| 892 | } else { |
| 893 | pr_err("[%s] Unrecognized color order-%s\n", |
| 894 | name, swap_mode); |
| 895 | rc = -EINVAL; |
| 896 | } |
| 897 | } else { |
| 898 | pr_debug("[%s] Falling back to default color order\n", name); |
| 899 | host->swap_mode = DSI_COLOR_SWAP_RGB; |
| 900 | } |
| 901 | |
| 902 | /* bit swap on color channel is not defined in dt */ |
| 903 | host->bit_swap_red = false; |
| 904 | host->bit_swap_green = false; |
| 905 | host->bit_swap_blue = false; |
| 906 | return rc; |
| 907 | } |
| 908 | |
| 909 | static int dsi_panel_parse_triggers(struct dsi_host_common_cfg *host, |
| 910 | struct device_node *of_node, |
| 911 | const char *name) |
| 912 | { |
| 913 | const char *trig; |
| 914 | int rc = 0; |
| 915 | |
| 916 | trig = of_get_property(of_node, "qcom,mdss-dsi-mdp-trigger", NULL); |
| 917 | if (trig) { |
| 918 | if (!strcmp(trig, "none")) { |
| 919 | host->mdp_cmd_trigger = DSI_TRIGGER_NONE; |
| 920 | } else if (!strcmp(trig, "trigger_te")) { |
| 921 | host->mdp_cmd_trigger = DSI_TRIGGER_TE; |
| 922 | } else if (!strcmp(trig, "trigger_sw")) { |
| 923 | host->mdp_cmd_trigger = DSI_TRIGGER_SW; |
| 924 | } else if (!strcmp(trig, "trigger_sw_te")) { |
| 925 | host->mdp_cmd_trigger = DSI_TRIGGER_SW_TE; |
| 926 | } else { |
| 927 | pr_err("[%s] Unrecognized mdp trigger type (%s)\n", |
| 928 | name, trig); |
| 929 | rc = -EINVAL; |
| 930 | } |
| 931 | |
| 932 | } else { |
| 933 | pr_debug("[%s] Falling back to default MDP trigger\n", |
| 934 | name); |
| 935 | host->mdp_cmd_trigger = DSI_TRIGGER_SW; |
| 936 | } |
| 937 | |
| 938 | trig = of_get_property(of_node, "qcom,mdss-dsi-dma-trigger", NULL); |
| 939 | if (trig) { |
| 940 | if (!strcmp(trig, "none")) { |
| 941 | host->dma_cmd_trigger = DSI_TRIGGER_NONE; |
| 942 | } else if (!strcmp(trig, "trigger_te")) { |
| 943 | host->dma_cmd_trigger = DSI_TRIGGER_TE; |
| 944 | } else if (!strcmp(trig, "trigger_sw")) { |
| 945 | host->dma_cmd_trigger = DSI_TRIGGER_SW; |
| 946 | } else if (!strcmp(trig, "trigger_sw_seof")) { |
| 947 | host->dma_cmd_trigger = DSI_TRIGGER_SW_SEOF; |
| 948 | } else if (!strcmp(trig, "trigger_sw_te")) { |
| 949 | host->dma_cmd_trigger = DSI_TRIGGER_SW_TE; |
| 950 | } else { |
| 951 | pr_err("[%s] Unrecognized mdp trigger type (%s)\n", |
| 952 | name, trig); |
| 953 | rc = -EINVAL; |
| 954 | } |
| 955 | |
| 956 | } else { |
| 957 | pr_debug("[%s] Falling back to default MDP trigger\n", name); |
| 958 | host->dma_cmd_trigger = DSI_TRIGGER_SW; |
| 959 | } |
| 960 | |
Benjamin Chan | fb7c9a6 | 2017-08-18 16:43:00 -0400 | [diff] [blame] | 961 | rc = of_property_read_u32(of_node, "qcom,mdss-dsi-te-pin-select", |
| 962 | &host->te_mode); |
| 963 | if (rc) { |
| 964 | pr_warn("[%s] fallback to default te-pin-select\n", name); |
| 965 | host->te_mode = 1; |
| 966 | rc = 0; |
| 967 | } |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 968 | |
| 969 | return rc; |
| 970 | } |
| 971 | |
| 972 | static int dsi_panel_parse_misc_host_config(struct dsi_host_common_cfg *host, |
| 973 | struct device_node *of_node, |
| 974 | const char *name) |
| 975 | { |
| 976 | u32 val = 0; |
| 977 | int rc = 0; |
| 978 | |
| 979 | rc = of_property_read_u32(of_node, "qcom,mdss-dsi-t-clk-post", &val); |
| 980 | if (rc) { |
| 981 | pr_debug("[%s] Fallback to default t_clk_post value\n", name); |
| 982 | host->t_clk_post = 0x03; |
| 983 | } else { |
| 984 | host->t_clk_post = val; |
| 985 | pr_debug("[%s] t_clk_post = %d\n", name, val); |
| 986 | } |
| 987 | |
| 988 | val = 0; |
| 989 | rc = of_property_read_u32(of_node, "qcom,mdss-dsi-t-clk-pre", &val); |
| 990 | if (rc) { |
| 991 | pr_debug("[%s] Fallback to default t_clk_pre value\n", name); |
| 992 | host->t_clk_pre = 0x24; |
| 993 | } else { |
| 994 | host->t_clk_pre = val; |
| 995 | pr_debug("[%s] t_clk_pre = %d\n", name, val); |
| 996 | } |
| 997 | |
| 998 | host->ignore_rx_eot = of_property_read_bool(of_node, |
| 999 | "qcom,mdss-dsi-rx-eot-ignore"); |
| 1000 | |
| 1001 | host->append_tx_eot = of_property_read_bool(of_node, |
| 1002 | "qcom,mdss-dsi-tx-eot-append"); |
| 1003 | |
| 1004 | return 0; |
| 1005 | } |
| 1006 | |
| 1007 | static int dsi_panel_parse_host_config(struct dsi_panel *panel, |
| 1008 | struct device_node *of_node) |
| 1009 | { |
| 1010 | int rc = 0; |
| 1011 | |
| 1012 | rc = dsi_panel_parse_pixel_format(&panel->host_config, of_node, |
| 1013 | panel->name); |
| 1014 | if (rc) { |
| 1015 | pr_err("[%s] failed to get pixel format, rc=%d\n", |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 1016 | panel->name, rc); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1017 | goto error; |
| 1018 | } |
| 1019 | |
| 1020 | rc = dsi_panel_parse_lane_states(&panel->host_config, of_node, |
| 1021 | panel->name); |
| 1022 | if (rc) { |
| 1023 | pr_err("[%s] failed to parse lane states, rc=%d\n", |
| 1024 | panel->name, rc); |
| 1025 | goto error; |
| 1026 | } |
| 1027 | |
| 1028 | rc = dsi_panel_parse_color_swap(&panel->host_config, of_node, |
| 1029 | panel->name); |
| 1030 | if (rc) { |
| 1031 | pr_err("[%s] failed to parse color swap config, rc=%d\n", |
| 1032 | panel->name, rc); |
| 1033 | goto error; |
| 1034 | } |
| 1035 | |
| 1036 | rc = dsi_panel_parse_triggers(&panel->host_config, of_node, |
| 1037 | panel->name); |
| 1038 | if (rc) { |
| 1039 | pr_err("[%s] failed to parse triggers, rc=%d\n", |
| 1040 | panel->name, rc); |
| 1041 | goto error; |
| 1042 | } |
| 1043 | |
| 1044 | rc = dsi_panel_parse_misc_host_config(&panel->host_config, of_node, |
| 1045 | panel->name); |
| 1046 | if (rc) { |
| 1047 | pr_err("[%s] failed to parse misc host config, rc=%d\n", |
| 1048 | panel->name, rc); |
| 1049 | goto error; |
| 1050 | } |
| 1051 | |
| 1052 | error: |
| 1053 | return rc; |
| 1054 | } |
| 1055 | |
| 1056 | static int dsi_panel_parse_dfps_caps(struct dsi_dfps_capabilities *dfps_caps, |
| 1057 | struct device_node *of_node, |
| 1058 | const char *name) |
| 1059 | { |
| 1060 | int rc = 0; |
| 1061 | bool supported = false; |
| 1062 | const char *type; |
| 1063 | u32 val = 0; |
| 1064 | |
| 1065 | supported = of_property_read_bool(of_node, |
| 1066 | "qcom,mdss-dsi-pan-enable-dynamic-fps"); |
| 1067 | |
| 1068 | if (!supported) { |
| 1069 | pr_debug("[%s] DFPS is not supported\n", name); |
| 1070 | dfps_caps->dfps_support = false; |
| 1071 | } else { |
| 1072 | |
| 1073 | type = of_get_property(of_node, |
| 1074 | "qcom,mdss-dsi-pan-fps-update", |
| 1075 | NULL); |
| 1076 | if (!type) { |
| 1077 | pr_err("[%s] dfps type not defined\n", name); |
| 1078 | rc = -EINVAL; |
| 1079 | goto error; |
| 1080 | } else if (!strcmp(type, "dfps_suspend_resume_mode")) { |
| 1081 | dfps_caps->type = DSI_DFPS_SUSPEND_RESUME; |
| 1082 | } else if (!strcmp(type, "dfps_immediate_clk_mode")) { |
| 1083 | dfps_caps->type = DSI_DFPS_IMMEDIATE_CLK; |
| 1084 | } else if (!strcmp(type, "dfps_immediate_porch_mode_hfp")) { |
| 1085 | dfps_caps->type = DSI_DFPS_IMMEDIATE_HFP; |
| 1086 | } else if (!strcmp(type, "dfps_immediate_porch_mode_vfp")) { |
| 1087 | dfps_caps->type = DSI_DFPS_IMMEDIATE_VFP; |
| 1088 | } else { |
| 1089 | pr_err("[%s] dfps type is not recognized\n", name); |
| 1090 | rc = -EINVAL; |
| 1091 | goto error; |
| 1092 | } |
| 1093 | |
| 1094 | rc = of_property_read_u32(of_node, |
| 1095 | "qcom,mdss-dsi-min-refresh-rate", |
| 1096 | &val); |
| 1097 | if (rc) { |
| 1098 | pr_err("[%s] Min refresh rate is not defined\n", name); |
| 1099 | rc = -EINVAL; |
| 1100 | goto error; |
| 1101 | } |
| 1102 | dfps_caps->min_refresh_rate = val; |
| 1103 | |
| 1104 | rc = of_property_read_u32(of_node, |
| 1105 | "qcom,mdss-dsi-max-refresh-rate", |
| 1106 | &val); |
| 1107 | if (rc) { |
| 1108 | pr_debug("[%s] Using default refresh rate\n", name); |
| 1109 | rc = of_property_read_u32(of_node, |
| 1110 | "qcom,mdss-dsi-panel-framerate", |
| 1111 | &val); |
| 1112 | if (rc) { |
| 1113 | pr_err("[%s] max refresh rate is not defined\n", |
| 1114 | name); |
| 1115 | rc = -EINVAL; |
| 1116 | goto error; |
| 1117 | } |
| 1118 | } |
| 1119 | dfps_caps->max_refresh_rate = val; |
| 1120 | |
| 1121 | if (dfps_caps->min_refresh_rate > dfps_caps->max_refresh_rate) { |
| 1122 | pr_err("[%s] min rate > max rate\n", name); |
| 1123 | rc = -EINVAL; |
| 1124 | } |
Ajay Singh Parmar | 62f795b | 2016-06-10 23:20:23 -0700 | [diff] [blame] | 1125 | |
| 1126 | pr_debug("[%s] DFPS is supported %d-%d, mode %d\n", name, |
| 1127 | dfps_caps->min_refresh_rate, |
| 1128 | dfps_caps->max_refresh_rate, |
| 1129 | dfps_caps->type); |
| 1130 | dfps_caps->dfps_support = true; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1131 | } |
| 1132 | |
| 1133 | error: |
| 1134 | return rc; |
| 1135 | } |
| 1136 | |
| 1137 | static int dsi_panel_parse_video_host_config(struct dsi_video_engine_cfg *cfg, |
| 1138 | struct device_node *of_node, |
| 1139 | const char *name) |
| 1140 | { |
| 1141 | int rc = 0; |
| 1142 | const char *traffic_mode; |
| 1143 | u32 vc_id = 0; |
| 1144 | u32 val = 0; |
| 1145 | |
| 1146 | rc = of_property_read_u32(of_node, "qcom,mdss-dsi-h-sync-pulse", &val); |
| 1147 | if (rc) { |
| 1148 | pr_debug("[%s] fallback to default h-sync-pulse\n", name); |
| 1149 | cfg->pulse_mode_hsa_he = false; |
| 1150 | } else if (val == 1) { |
| 1151 | cfg->pulse_mode_hsa_he = true; |
| 1152 | } else if (val == 0) { |
| 1153 | cfg->pulse_mode_hsa_he = false; |
| 1154 | } else { |
| 1155 | pr_err("[%s] Unrecognized value for mdss-dsi-h-sync-pulse\n", |
| 1156 | name); |
| 1157 | rc = -EINVAL; |
| 1158 | goto error; |
| 1159 | } |
| 1160 | |
| 1161 | cfg->hfp_lp11_en = of_property_read_bool(of_node, |
| 1162 | "qcom,mdss-dsi-hfp-power-mode"); |
| 1163 | |
| 1164 | cfg->hbp_lp11_en = of_property_read_bool(of_node, |
| 1165 | "qcom,mdss-dsi-hbp-power-mode"); |
| 1166 | |
| 1167 | cfg->hsa_lp11_en = of_property_read_bool(of_node, |
| 1168 | "qcom,mdss-dsi-hsa-power-mode"); |
| 1169 | |
| 1170 | cfg->last_line_interleave_en = of_property_read_bool(of_node, |
| 1171 | "qcom,mdss-dsi-last-line-interleave"); |
| 1172 | |
| 1173 | cfg->eof_bllp_lp11_en = of_property_read_bool(of_node, |
| 1174 | "qcom,mdss-dsi-bllp-eof-power-mode"); |
| 1175 | |
| 1176 | cfg->bllp_lp11_en = of_property_read_bool(of_node, |
| 1177 | "qcom,mdss-dsi-bllp-power-mode"); |
| 1178 | |
| 1179 | traffic_mode = of_get_property(of_node, |
| 1180 | "qcom,mdss-dsi-traffic-mode", |
| 1181 | NULL); |
| 1182 | if (!traffic_mode) { |
| 1183 | pr_debug("[%s] Falling back to default traffic mode\n", name); |
| 1184 | cfg->traffic_mode = DSI_VIDEO_TRAFFIC_SYNC_PULSES; |
| 1185 | } else if (!strcmp(traffic_mode, "non_burst_sync_pulse")) { |
| 1186 | cfg->traffic_mode = DSI_VIDEO_TRAFFIC_SYNC_PULSES; |
| 1187 | } else if (!strcmp(traffic_mode, "non_burst_sync_event")) { |
| 1188 | cfg->traffic_mode = DSI_VIDEO_TRAFFIC_SYNC_START_EVENTS; |
| 1189 | } else if (!strcmp(traffic_mode, "burst_mode")) { |
| 1190 | cfg->traffic_mode = DSI_VIDEO_TRAFFIC_BURST_MODE; |
| 1191 | } else { |
| 1192 | pr_err("[%s] Unrecognized traffic mode-%s\n", name, |
| 1193 | traffic_mode); |
| 1194 | rc = -EINVAL; |
| 1195 | goto error; |
| 1196 | } |
| 1197 | |
| 1198 | rc = of_property_read_u32(of_node, "qcom,mdss-dsi-virtual-channel-id", |
| 1199 | &vc_id); |
| 1200 | if (rc) { |
| 1201 | pr_debug("[%s] Fallback to default vc id\n", name); |
| 1202 | cfg->vc_id = 0; |
| 1203 | } else { |
| 1204 | cfg->vc_id = vc_id; |
| 1205 | } |
| 1206 | |
| 1207 | error: |
| 1208 | return rc; |
| 1209 | } |
| 1210 | |
| 1211 | static int dsi_panel_parse_cmd_host_config(struct dsi_cmd_engine_cfg *cfg, |
| 1212 | struct device_node *of_node, |
| 1213 | const char *name) |
| 1214 | { |
| 1215 | u32 val = 0; |
| 1216 | int rc = 0; |
| 1217 | |
| 1218 | rc = of_property_read_u32(of_node, "qcom,mdss-dsi-wr-mem-start", &val); |
| 1219 | if (rc) { |
| 1220 | pr_debug("[%s] Fallback to default wr-mem-start\n", name); |
| 1221 | cfg->wr_mem_start = 0x2C; |
| 1222 | } else { |
| 1223 | cfg->wr_mem_start = val; |
| 1224 | } |
| 1225 | |
| 1226 | val = 0; |
| 1227 | rc = of_property_read_u32(of_node, "qcom,mdss-dsi-wr-mem-continue", |
| 1228 | &val); |
| 1229 | if (rc) { |
| 1230 | pr_debug("[%s] Fallback to default wr-mem-continue\n", name); |
| 1231 | cfg->wr_mem_continue = 0x3C; |
| 1232 | } else { |
| 1233 | cfg->wr_mem_continue = val; |
| 1234 | } |
| 1235 | |
| 1236 | /* TODO: fix following */ |
| 1237 | cfg->max_cmd_packets_interleave = 0; |
| 1238 | |
| 1239 | val = 0; |
| 1240 | rc = of_property_read_u32(of_node, "qcom,mdss-dsi-te-dcs-command", |
| 1241 | &val); |
| 1242 | if (rc) { |
| 1243 | pr_debug("[%s] fallback to default te-dcs-cmd\n", name); |
| 1244 | cfg->insert_dcs_command = true; |
| 1245 | } else if (val == 1) { |
| 1246 | cfg->insert_dcs_command = true; |
| 1247 | } else if (val == 0) { |
| 1248 | cfg->insert_dcs_command = false; |
| 1249 | } else { |
| 1250 | pr_err("[%s] Unrecognized value for mdss-dsi-te-dcs-command\n", |
| 1251 | name); |
| 1252 | rc = -EINVAL; |
| 1253 | goto error; |
| 1254 | } |
| 1255 | |
Alan Kwong | 9aa061c | 2016-11-06 21:17:12 -0500 | [diff] [blame] | 1256 | if (of_property_read_u32(of_node, "qcom,mdss-mdp-transfer-time-us", |
| 1257 | &val)) { |
| 1258 | pr_debug("[%s] Fallback to default transfer-time-us\n", name); |
| 1259 | cfg->mdp_transfer_time_us = DEFAULT_MDP_TRANSFER_TIME; |
| 1260 | } else { |
| 1261 | cfg->mdp_transfer_time_us = val; |
| 1262 | } |
| 1263 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1264 | error: |
| 1265 | return rc; |
| 1266 | } |
| 1267 | |
| 1268 | static int dsi_panel_parse_panel_mode(struct dsi_panel *panel, |
| 1269 | struct device_node *of_node) |
| 1270 | { |
| 1271 | int rc = 0; |
| 1272 | enum dsi_op_mode panel_mode; |
| 1273 | const char *mode; |
| 1274 | |
| 1275 | mode = of_get_property(of_node, "qcom,mdss-dsi-panel-type", NULL); |
| 1276 | if (!mode) { |
| 1277 | pr_debug("[%s] Fallback to default panel mode\n", panel->name); |
| 1278 | panel_mode = DSI_OP_VIDEO_MODE; |
| 1279 | } else if (!strcmp(mode, "dsi_video_mode")) { |
| 1280 | panel_mode = DSI_OP_VIDEO_MODE; |
| 1281 | } else if (!strcmp(mode, "dsi_cmd_mode")) { |
| 1282 | panel_mode = DSI_OP_CMD_MODE; |
| 1283 | } else { |
| 1284 | pr_err("[%s] Unrecognized panel type-%s\n", panel->name, mode); |
| 1285 | rc = -EINVAL; |
| 1286 | goto error; |
| 1287 | } |
| 1288 | |
| 1289 | if (panel_mode == DSI_OP_VIDEO_MODE) { |
| 1290 | rc = dsi_panel_parse_video_host_config(&panel->video_config, |
| 1291 | of_node, |
| 1292 | panel->name); |
| 1293 | if (rc) { |
| 1294 | pr_err("[%s] Failed to parse video host cfg, rc=%d\n", |
| 1295 | panel->name, rc); |
| 1296 | goto error; |
| 1297 | } |
| 1298 | } |
| 1299 | |
| 1300 | if (panel_mode == DSI_OP_CMD_MODE) { |
| 1301 | rc = dsi_panel_parse_cmd_host_config(&panel->cmd_config, |
| 1302 | of_node, |
| 1303 | panel->name); |
| 1304 | if (rc) { |
| 1305 | pr_err("[%s] Failed to parse cmd host config, rc=%d\n", |
| 1306 | panel->name, rc); |
| 1307 | goto error; |
| 1308 | } |
| 1309 | } |
| 1310 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 1311 | panel->panel_mode = panel_mode; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1312 | error: |
| 1313 | return rc; |
| 1314 | } |
| 1315 | |
| 1316 | static int dsi_panel_parse_phy_props(struct dsi_panel_phy_props *props, |
| 1317 | struct device_node *of_node, |
| 1318 | const char *name) |
| 1319 | { |
| 1320 | int rc = 0; |
| 1321 | u32 val = 0; |
| 1322 | const char *str; |
| 1323 | |
| 1324 | rc = of_property_read_u32(of_node, |
| 1325 | "qcom,mdss-pan-physical-width-dimension", |
| 1326 | &val); |
| 1327 | if (rc) { |
| 1328 | pr_debug("[%s] Physical panel width is not defined\n", name); |
| 1329 | props->panel_width_mm = 0; |
| 1330 | rc = 0; |
| 1331 | } else { |
| 1332 | props->panel_width_mm = val; |
| 1333 | } |
| 1334 | |
| 1335 | rc = of_property_read_u32(of_node, |
| 1336 | "qcom,mdss-pan-physical-height-dimension", |
| 1337 | &val); |
| 1338 | if (rc) { |
| 1339 | pr_debug("[%s] Physical panel height is not defined\n", name); |
| 1340 | props->panel_height_mm = 0; |
| 1341 | rc = 0; |
| 1342 | } else { |
| 1343 | props->panel_height_mm = val; |
| 1344 | } |
| 1345 | |
| 1346 | str = of_get_property(of_node, "qcom,mdss-dsi-panel-orientation", NULL); |
| 1347 | if (!str) { |
| 1348 | props->rotation = DSI_PANEL_ROTATE_NONE; |
| 1349 | } else if (!strcmp(str, "180")) { |
| 1350 | props->rotation = DSI_PANEL_ROTATE_HV_FLIP; |
| 1351 | } else if (!strcmp(str, "hflip")) { |
| 1352 | props->rotation = DSI_PANEL_ROTATE_H_FLIP; |
| 1353 | } else if (!strcmp(str, "vflip")) { |
| 1354 | props->rotation = DSI_PANEL_ROTATE_V_FLIP; |
| 1355 | } else { |
| 1356 | pr_err("[%s] Unrecognized panel rotation-%s\n", name, str); |
| 1357 | rc = -EINVAL; |
| 1358 | goto error; |
| 1359 | } |
| 1360 | error: |
| 1361 | return rc; |
| 1362 | } |
| 1363 | const char *cmd_set_prop_map[DSI_CMD_SET_MAX] = { |
| 1364 | "qcom,mdss-dsi-pre-on-command", |
| 1365 | "qcom,mdss-dsi-on-command", |
| 1366 | "qcom,mdss-dsi-post-panel-on-command", |
| 1367 | "qcom,mdss-dsi-pre-off-command", |
| 1368 | "qcom,mdss-dsi-off-command", |
| 1369 | "qcom,mdss-dsi-post-off-command", |
| 1370 | "qcom,mdss-dsi-pre-res-switch", |
| 1371 | "qcom,mdss-dsi-res-switch", |
| 1372 | "qcom,mdss-dsi-post-res-switch", |
| 1373 | "qcom,cmd-to-video-mode-switch-commands", |
| 1374 | "qcom,cmd-to-video-mode-post-switch-commands", |
| 1375 | "qcom,video-to-cmd-mode-switch-commands", |
| 1376 | "qcom,video-to-cmd-mode-post-switch-commands", |
| 1377 | "qcom,mdss-dsi-panel-status-command", |
Clarence Ip | 5f00c060 | 2017-08-02 14:26:31 -0400 | [diff] [blame] | 1378 | "qcom,mdss-dsi-lp1-command", |
| 1379 | "qcom,mdss-dsi-lp2-command", |
| 1380 | "qcom,mdss-dsi-nolp-command", |
Lloyd Atkinson | e53b737 | 2017-03-22 17:16:47 -0400 | [diff] [blame] | 1381 | "PPS not parsed from DTSI, generated dynamically", |
| 1382 | "ROI not parsed from DTSI, generated dynamically", |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 1383 | "qcom,mdss-dsi-timing-switch-command", |
| 1384 | "qcom,mdss-dsi-post-mode-switch-on-command", |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1385 | }; |
| 1386 | |
| 1387 | const char *cmd_set_state_map[DSI_CMD_SET_MAX] = { |
| 1388 | "qcom,mdss-dsi-pre-on-command-state", |
| 1389 | "qcom,mdss-dsi-on-command-state", |
| 1390 | "qcom,mdss-dsi-post-on-command-state", |
| 1391 | "qcom,mdss-dsi-pre-off-command-state", |
| 1392 | "qcom,mdss-dsi-off-command-state", |
| 1393 | "qcom,mdss-dsi-post-off-command-state", |
| 1394 | "qcom,mdss-dsi-pre-res-switch-state", |
| 1395 | "qcom,mdss-dsi-res-switch-state", |
| 1396 | "qcom,mdss-dsi-post-res-switch-state", |
| 1397 | "qcom,cmd-to-video-mode-switch-commands-state", |
| 1398 | "qcom,cmd-to-video-mode-post-switch-commands-state", |
| 1399 | "qcom,video-to-cmd-mode-switch-commands-state", |
| 1400 | "qcom,video-to-cmd-mode-post-switch-commands-state", |
| 1401 | "qcom,mdss-dsi-panel-status-command-state", |
Clarence Ip | 5f00c060 | 2017-08-02 14:26:31 -0400 | [diff] [blame] | 1402 | "qcom,mdss-dsi-lp1-command-state", |
| 1403 | "qcom,mdss-dsi-lp2-command-state", |
| 1404 | "qcom,mdss-dsi-nolp-command-state", |
Lloyd Atkinson | e53b737 | 2017-03-22 17:16:47 -0400 | [diff] [blame] | 1405 | "PPS not parsed from DTSI, generated dynamically", |
| 1406 | "ROI not parsed from DTSI, generated dynamically", |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 1407 | "qcom,mdss-dsi-timing-switch-command-state", |
| 1408 | "qcom,mdss-dsi-post-mode-switch-on-command-state", |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1409 | }; |
| 1410 | |
| 1411 | static int dsi_panel_get_cmd_pkt_count(const char *data, u32 length, u32 *cnt) |
| 1412 | { |
| 1413 | const u32 cmd_set_min_size = 7; |
| 1414 | u32 count = 0; |
| 1415 | u32 packet_length; |
| 1416 | u32 tmp; |
| 1417 | |
| 1418 | while (length >= cmd_set_min_size) { |
| 1419 | packet_length = cmd_set_min_size; |
| 1420 | tmp = ((data[5] << 8) | (data[6])); |
| 1421 | packet_length += tmp; |
| 1422 | if (packet_length > length) { |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 1423 | pr_err("format error\n"); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1424 | return -EINVAL; |
| 1425 | } |
| 1426 | length -= packet_length; |
| 1427 | data += packet_length; |
| 1428 | count++; |
| 1429 | }; |
| 1430 | |
| 1431 | *cnt = count; |
| 1432 | return 0; |
| 1433 | } |
| 1434 | |
| 1435 | static int dsi_panel_create_cmd_packets(const char *data, |
| 1436 | u32 length, |
| 1437 | u32 count, |
| 1438 | struct dsi_cmd_desc *cmd) |
| 1439 | { |
| 1440 | int rc = 0; |
| 1441 | int i, j; |
| 1442 | u8 *payload; |
| 1443 | |
| 1444 | for (i = 0; i < count; i++) { |
| 1445 | u32 size; |
| 1446 | |
| 1447 | cmd[i].msg.type = data[0]; |
| 1448 | cmd[i].last_command = (data[1] == 1 ? true : false); |
| 1449 | cmd[i].msg.channel = data[2]; |
| 1450 | cmd[i].msg.flags |= (data[3] == 1 ? MIPI_DSI_MSG_REQ_ACK : 0); |
Lloyd Atkinson | e53b737 | 2017-03-22 17:16:47 -0400 | [diff] [blame] | 1451 | cmd[i].msg.ctrl = 0; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1452 | cmd[i].post_wait_ms = data[4]; |
| 1453 | cmd[i].msg.tx_len = ((data[5] << 8) | (data[6])); |
| 1454 | |
| 1455 | size = cmd[i].msg.tx_len * sizeof(u8); |
| 1456 | |
| 1457 | payload = kzalloc(size, GFP_KERNEL); |
| 1458 | if (!payload) { |
| 1459 | rc = -ENOMEM; |
| 1460 | goto error_free_payloads; |
| 1461 | } |
| 1462 | |
| 1463 | for (j = 0; j < cmd[i].msg.tx_len; j++) |
| 1464 | payload[j] = data[7 + j]; |
| 1465 | |
| 1466 | cmd[i].msg.tx_buf = payload; |
| 1467 | data += (7 + cmd[i].msg.tx_len); |
| 1468 | } |
| 1469 | |
| 1470 | return rc; |
| 1471 | error_free_payloads: |
| 1472 | for (i = i - 1; i >= 0; i--) { |
| 1473 | cmd--; |
| 1474 | kfree(cmd->msg.tx_buf); |
| 1475 | } |
| 1476 | |
| 1477 | return rc; |
| 1478 | } |
| 1479 | |
Lloyd Atkinson | e53b737 | 2017-03-22 17:16:47 -0400 | [diff] [blame] | 1480 | void dsi_panel_destroy_cmd_packets(struct dsi_panel_cmd_set *set) |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1481 | { |
| 1482 | u32 i = 0; |
| 1483 | struct dsi_cmd_desc *cmd; |
| 1484 | |
| 1485 | for (i = 0; i < set->count; i++) { |
| 1486 | cmd = &set->cmds[i]; |
| 1487 | kfree(cmd->msg.tx_buf); |
| 1488 | } |
| 1489 | |
| 1490 | kfree(set->cmds); |
| 1491 | } |
| 1492 | |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 1493 | static int dsi_panel_alloc_cmd_packets(struct dsi_panel_cmd_set *cmd, |
| 1494 | u32 packet_count) |
| 1495 | { |
| 1496 | u32 size; |
| 1497 | |
| 1498 | size = packet_count * sizeof(*cmd->cmds); |
| 1499 | cmd->cmds = kzalloc(size, GFP_KERNEL); |
| 1500 | if (!cmd->cmds) |
| 1501 | return -ENOMEM; |
| 1502 | |
| 1503 | cmd->count = packet_count; |
| 1504 | return 0; |
| 1505 | } |
| 1506 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1507 | static int dsi_panel_parse_cmd_sets_sub(struct dsi_panel_cmd_set *cmd, |
| 1508 | enum dsi_cmd_set_type type, |
| 1509 | struct device_node *of_node) |
| 1510 | { |
| 1511 | int rc = 0; |
| 1512 | u32 length = 0; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1513 | const char *data; |
| 1514 | const char *state; |
| 1515 | u32 packet_count = 0; |
| 1516 | |
| 1517 | data = of_get_property(of_node, cmd_set_prop_map[type], &length); |
| 1518 | if (!data) { |
Shashank Babu Chinta Venkata | cf41133 | 2017-05-10 17:30:08 -0700 | [diff] [blame] | 1519 | pr_debug("%s commands not defined\n", cmd_set_prop_map[type]); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1520 | rc = -ENOTSUPP; |
| 1521 | goto error; |
| 1522 | } |
| 1523 | |
| 1524 | rc = dsi_panel_get_cmd_pkt_count(data, length, &packet_count); |
| 1525 | if (rc) { |
| 1526 | pr_err("commands failed, rc=%d\n", rc); |
| 1527 | goto error; |
| 1528 | } |
| 1529 | pr_debug("[%s] packet-count=%d, %d\n", cmd_set_prop_map[type], |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 1530 | packet_count, length); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1531 | |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 1532 | rc = dsi_panel_alloc_cmd_packets(cmd, packet_count); |
| 1533 | if (rc) { |
| 1534 | pr_err("failed to allocate cmd packets, rc=%d\n", rc); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1535 | goto error; |
| 1536 | } |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1537 | |
| 1538 | rc = dsi_panel_create_cmd_packets(data, length, packet_count, |
| 1539 | cmd->cmds); |
| 1540 | if (rc) { |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 1541 | pr_err("failed to create cmd packets, rc=%d\n", rc); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1542 | goto error_free_mem; |
| 1543 | } |
| 1544 | |
| 1545 | state = of_get_property(of_node, cmd_set_state_map[type], NULL); |
| 1546 | if (!state || !strcmp(state, "dsi_lp_mode")) { |
| 1547 | cmd->state = DSI_CMD_SET_STATE_LP; |
| 1548 | } else if (!strcmp(state, "dsi_hs_mode")) { |
| 1549 | cmd->state = DSI_CMD_SET_STATE_HS; |
| 1550 | } else { |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 1551 | pr_err("[%s] command state unrecognized-%s\n", |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1552 | cmd_set_state_map[type], state); |
| 1553 | goto error_free_mem; |
| 1554 | } |
| 1555 | |
| 1556 | return rc; |
| 1557 | error_free_mem: |
| 1558 | kfree(cmd->cmds); |
| 1559 | cmd->cmds = NULL; |
| 1560 | error: |
| 1561 | return rc; |
| 1562 | |
| 1563 | } |
| 1564 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 1565 | static int dsi_panel_parse_cmd_sets( |
| 1566 | struct dsi_display_mode_priv_info *priv_info, |
| 1567 | struct device_node *of_node) |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1568 | { |
| 1569 | int rc = 0; |
| 1570 | struct dsi_panel_cmd_set *set; |
| 1571 | u32 i; |
| 1572 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 1573 | if (!priv_info) { |
| 1574 | pr_err("invalid mode priv info\n"); |
| 1575 | return -EINVAL; |
| 1576 | } |
| 1577 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1578 | for (i = DSI_CMD_SET_PRE_ON; i < DSI_CMD_SET_MAX; i++) { |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 1579 | set = &priv_info->cmd_sets[i]; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1580 | set->type = i; |
Lloyd Atkinson | e53b737 | 2017-03-22 17:16:47 -0400 | [diff] [blame] | 1581 | set->count = 0; |
| 1582 | |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 1583 | if (i == DSI_CMD_SET_PPS) { |
| 1584 | rc = dsi_panel_alloc_cmd_packets(set, 1); |
| 1585 | if (rc) |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 1586 | pr_err("failed to allocate cmd set %d, rc = %d\n", |
| 1587 | i, rc); |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 1588 | set->state = DSI_CMD_SET_STATE_LP; |
| 1589 | } else { |
| 1590 | rc = dsi_panel_parse_cmd_sets_sub(set, i, of_node); |
| 1591 | if (rc) |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 1592 | pr_debug("failed to parse set %d\n", i); |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 1593 | } |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1594 | } |
| 1595 | |
| 1596 | rc = 0; |
| 1597 | return rc; |
| 1598 | } |
| 1599 | |
| 1600 | static int dsi_panel_parse_reset_sequence(struct dsi_panel *panel, |
| 1601 | struct device_node *of_node) |
| 1602 | { |
| 1603 | int rc = 0; |
| 1604 | int i; |
| 1605 | u32 length = 0; |
| 1606 | u32 count = 0; |
| 1607 | u32 size = 0; |
| 1608 | u32 *arr_32 = NULL; |
| 1609 | const u32 *arr; |
| 1610 | struct dsi_reset_seq *seq; |
| 1611 | |
| 1612 | arr = of_get_property(of_node, "qcom,mdss-dsi-reset-sequence", &length); |
| 1613 | if (!arr) { |
| 1614 | pr_err("[%s] dsi-reset-sequence not found\n", panel->name); |
| 1615 | rc = -EINVAL; |
| 1616 | goto error; |
| 1617 | } |
| 1618 | if (length & 0x1) { |
| 1619 | pr_err("[%s] syntax error for dsi-reset-sequence\n", |
| 1620 | panel->name); |
| 1621 | rc = -EINVAL; |
| 1622 | goto error; |
| 1623 | } |
| 1624 | |
| 1625 | pr_err("RESET SEQ LENGTH = %d\n", length); |
| 1626 | length = length / sizeof(u32); |
| 1627 | |
| 1628 | size = length * sizeof(u32); |
| 1629 | |
| 1630 | arr_32 = kzalloc(size, GFP_KERNEL); |
| 1631 | if (!arr_32) { |
| 1632 | rc = -ENOMEM; |
| 1633 | goto error; |
| 1634 | } |
| 1635 | |
| 1636 | rc = of_property_read_u32_array(of_node, "qcom,mdss-dsi-reset-sequence", |
| 1637 | arr_32, length); |
| 1638 | if (rc) { |
| 1639 | pr_err("[%s] cannot read dso-reset-seqience\n", panel->name); |
| 1640 | goto error_free_arr_32; |
| 1641 | } |
| 1642 | |
| 1643 | count = length / 2; |
| 1644 | size = count * sizeof(*seq); |
| 1645 | seq = kzalloc(size, GFP_KERNEL); |
| 1646 | if (!seq) { |
| 1647 | rc = -ENOMEM; |
| 1648 | goto error_free_arr_32; |
| 1649 | } |
| 1650 | |
| 1651 | panel->reset_config.sequence = seq; |
| 1652 | panel->reset_config.count = count; |
| 1653 | |
| 1654 | for (i = 0; i < length; i += 2) { |
| 1655 | seq->level = arr_32[i]; |
| 1656 | seq->sleep_ms = arr_32[i + 1]; |
| 1657 | seq++; |
| 1658 | } |
| 1659 | |
| 1660 | |
| 1661 | error_free_arr_32: |
| 1662 | kfree(arr_32); |
| 1663 | error: |
| 1664 | return rc; |
| 1665 | } |
| 1666 | |
Narendra Muppalla | d4081e1 | 2017-04-20 19:24:08 -0700 | [diff] [blame] | 1667 | static int dsi_panel_parse_misc_features(struct dsi_panel *panel, |
Veera Sundaram Sankaran | c4a9003 | 2017-04-21 13:54:14 -0700 | [diff] [blame] | 1668 | struct device_node *of_node) |
| 1669 | { |
| 1670 | panel->ulps_enabled = |
| 1671 | of_property_read_bool(of_node, "qcom,ulps-enabled"); |
| 1672 | |
Lei Chen | 529da98 | 2017-10-24 16:23:42 +0800 | [diff] [blame] | 1673 | pr_info("%s: ulps feature %s\n", __func__, |
| 1674 | (panel->ulps_enabled ? "enabled" : "disabled")); |
| 1675 | |
| 1676 | panel->ulps_suspend_enabled = |
| 1677 | of_property_read_bool(of_node, "qcom,suspend-ulps-enabled"); |
| 1678 | |
| 1679 | pr_info("%s: ulps during suspend feature %s", __func__, |
| 1680 | (panel->ulps_suspend_enabled ? "enabled" : "disabled")); |
Veera Sundaram Sankaran | c4a9003 | 2017-04-21 13:54:14 -0700 | [diff] [blame] | 1681 | |
Narendra Muppalla | d4081e1 | 2017-04-20 19:24:08 -0700 | [diff] [blame] | 1682 | panel->te_using_watchdog_timer = of_property_read_bool(of_node, |
| 1683 | "qcom,mdss-dsi-te-using-wd"); |
Sandeep Panda | 14666d1 | 2017-05-08 17:11:03 +0530 | [diff] [blame] | 1684 | |
| 1685 | panel->sync_broadcast_en = of_property_read_bool(of_node, |
| 1686 | "qcom,cmd-sync-wait-broadcast"); |
Veera Sundaram Sankaran | c4a9003 | 2017-04-21 13:54:14 -0700 | [diff] [blame] | 1687 | return 0; |
| 1688 | } |
| 1689 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 1690 | static int dsi_panel_parse_jitter_config( |
| 1691 | struct dsi_display_mode *mode, |
| 1692 | struct device_node *of_node) |
Dhaval Patel | 60e1ff5 | 2017-02-18 21:03:40 -0800 | [diff] [blame] | 1693 | { |
| 1694 | int rc; |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 1695 | struct dsi_display_mode_priv_info *priv_info; |
Dhaval Patel | f5cc5a3 | 2017-07-10 17:33:23 -0700 | [diff] [blame] | 1696 | u32 jitter[DEFAULT_PANEL_JITTER_ARRAY_SIZE] = {0, 0}; |
| 1697 | u64 jitter_val = 0; |
Dhaval Patel | 60e1ff5 | 2017-02-18 21:03:40 -0800 | [diff] [blame] | 1698 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 1699 | priv_info = mode->priv_info; |
| 1700 | |
Dhaval Patel | f5cc5a3 | 2017-07-10 17:33:23 -0700 | [diff] [blame] | 1701 | rc = of_property_read_u32_array(of_node, "qcom,mdss-dsi-panel-jitter", |
| 1702 | jitter, DEFAULT_PANEL_JITTER_ARRAY_SIZE); |
Dhaval Patel | 60e1ff5 | 2017-02-18 21:03:40 -0800 | [diff] [blame] | 1703 | if (rc) { |
Dhaval Patel | f5cc5a3 | 2017-07-10 17:33:23 -0700 | [diff] [blame] | 1704 | pr_debug("panel jitter not defined rc=%d\n", rc); |
| 1705 | } else { |
| 1706 | jitter_val = jitter[0]; |
| 1707 | jitter_val = div_u64(jitter_val, jitter[1]); |
| 1708 | } |
| 1709 | |
| 1710 | if (rc || !jitter_val || (jitter_val > MAX_PANEL_JITTER)) { |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 1711 | priv_info->panel_jitter_numer = DEFAULT_PANEL_JITTER_NUMERATOR; |
| 1712 | priv_info->panel_jitter_denom = |
| 1713 | DEFAULT_PANEL_JITTER_DENOMINATOR; |
Dhaval Patel | f5cc5a3 | 2017-07-10 17:33:23 -0700 | [diff] [blame] | 1714 | } else { |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 1715 | priv_info->panel_jitter_numer = jitter[0]; |
| 1716 | priv_info->panel_jitter_denom = jitter[1]; |
Dhaval Patel | 60e1ff5 | 2017-02-18 21:03:40 -0800 | [diff] [blame] | 1717 | } |
| 1718 | |
| 1719 | rc = of_property_read_u32(of_node, "qcom,mdss-dsi-panel-prefill-lines", |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 1720 | &priv_info->panel_prefill_lines); |
Dhaval Patel | 60e1ff5 | 2017-02-18 21:03:40 -0800 | [diff] [blame] | 1721 | if (rc) { |
| 1722 | pr_debug("panel prefill lines are not defined rc=%d\n", rc); |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 1723 | priv_info->panel_prefill_lines = DEFAULT_PANEL_PREFILL_LINES; |
| 1724 | } else if (priv_info->panel_prefill_lines >= |
| 1725 | DSI_V_TOTAL(&mode->timing)) { |
Dhaval Patel | 60e1ff5 | 2017-02-18 21:03:40 -0800 | [diff] [blame] | 1726 | pr_debug("invalid prefill lines config=%d setting to:%d\n", |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 1727 | priv_info->panel_prefill_lines, DEFAULT_PANEL_PREFILL_LINES); |
| 1728 | |
| 1729 | priv_info->panel_prefill_lines = DEFAULT_PANEL_PREFILL_LINES; |
Dhaval Patel | 60e1ff5 | 2017-02-18 21:03:40 -0800 | [diff] [blame] | 1730 | } |
| 1731 | |
| 1732 | return 0; |
| 1733 | } |
| 1734 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1735 | static int dsi_panel_parse_power_cfg(struct device *parent, |
| 1736 | struct dsi_panel *panel, |
| 1737 | struct device_node *of_node) |
| 1738 | { |
| 1739 | int rc = 0; |
| 1740 | |
Padmanabhan Komanduru | dbd2fb0 | 2016-12-02 15:18:49 +0530 | [diff] [blame] | 1741 | rc = dsi_pwr_of_get_vreg_data(of_node, |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1742 | &panel->power_info, |
| 1743 | "qcom,panel-supply-entries"); |
| 1744 | if (rc) { |
| 1745 | pr_err("[%s] failed to parse vregs\n", panel->name); |
| 1746 | goto error; |
| 1747 | } |
| 1748 | |
| 1749 | error: |
| 1750 | return rc; |
| 1751 | } |
| 1752 | |
| 1753 | static int dsi_panel_parse_gpios(struct dsi_panel *panel, |
| 1754 | struct device_node *of_node) |
| 1755 | { |
| 1756 | int rc = 0; |
Padmanabhan Komanduru | edfe6ff | 2016-12-19 12:37:04 +0530 | [diff] [blame] | 1757 | const char *data; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1758 | |
| 1759 | panel->reset_config.reset_gpio = of_get_named_gpio(of_node, |
| 1760 | "qcom,platform-reset-gpio", |
| 1761 | 0); |
| 1762 | if (!gpio_is_valid(panel->reset_config.reset_gpio)) { |
| 1763 | pr_err("[%s] failed get reset gpio, rc=%d\n", panel->name, rc); |
| 1764 | rc = -EINVAL; |
| 1765 | goto error; |
| 1766 | } |
| 1767 | |
| 1768 | panel->reset_config.disp_en_gpio = of_get_named_gpio(of_node, |
| 1769 | "qcom,5v-boost-gpio", |
| 1770 | 0); |
| 1771 | if (!gpio_is_valid(panel->reset_config.disp_en_gpio)) { |
| 1772 | pr_debug("[%s] 5v-boot-gpio is not set, rc=%d\n", |
| 1773 | panel->name, rc); |
| 1774 | panel->reset_config.disp_en_gpio = of_get_named_gpio(of_node, |
| 1775 | "qcom,platform-en-gpio", |
| 1776 | 0); |
| 1777 | if (!gpio_is_valid(panel->reset_config.disp_en_gpio)) { |
| 1778 | pr_debug("[%s] platform-en-gpio is not set, rc=%d\n", |
| 1779 | panel->name, rc); |
| 1780 | } |
| 1781 | } |
| 1782 | |
Padmanabhan Komanduru | edfe6ff | 2016-12-19 12:37:04 +0530 | [diff] [blame] | 1783 | panel->reset_config.lcd_mode_sel_gpio = of_get_named_gpio(of_node, |
| 1784 | "qcom,panel-mode-gpio", 0); |
| 1785 | if (!gpio_is_valid(panel->reset_config.lcd_mode_sel_gpio)) |
| 1786 | pr_debug("%s:%d mode gpio not specified\n", __func__, __LINE__); |
| 1787 | |
| 1788 | data = of_get_property(of_node, |
| 1789 | "qcom,mdss-dsi-mode-sel-gpio-state", NULL); |
| 1790 | if (data) { |
| 1791 | if (!strcmp(data, "single_port")) |
| 1792 | panel->reset_config.mode_sel_state = |
| 1793 | MODE_SEL_SINGLE_PORT; |
| 1794 | else if (!strcmp(data, "dual_port")) |
| 1795 | panel->reset_config.mode_sel_state = |
| 1796 | MODE_SEL_DUAL_PORT; |
| 1797 | else if (!strcmp(data, "high")) |
| 1798 | panel->reset_config.mode_sel_state = |
| 1799 | MODE_GPIO_HIGH; |
| 1800 | else if (!strcmp(data, "low")) |
| 1801 | panel->reset_config.mode_sel_state = |
| 1802 | MODE_GPIO_LOW; |
| 1803 | } else { |
| 1804 | /* Set default mode as SPLIT mode */ |
| 1805 | panel->reset_config.mode_sel_state = MODE_SEL_DUAL_PORT; |
| 1806 | } |
| 1807 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1808 | /* TODO: release memory */ |
| 1809 | rc = dsi_panel_parse_reset_sequence(panel, of_node); |
| 1810 | if (rc) { |
| 1811 | pr_err("[%s] failed to parse reset sequence, rc=%d\n", |
| 1812 | panel->name, rc); |
| 1813 | goto error; |
| 1814 | } |
| 1815 | |
| 1816 | error: |
| 1817 | return rc; |
| 1818 | } |
| 1819 | |
| 1820 | static int dsi_panel_parse_bl_pwm_config(struct dsi_backlight_config *config, |
| 1821 | struct device_node *of_node) |
| 1822 | { |
| 1823 | int rc = 0; |
| 1824 | u32 val; |
| 1825 | |
| 1826 | rc = of_property_read_u32(of_node, "qcom,dsi-bl-pmic-bank-select", |
| 1827 | &val); |
| 1828 | if (rc) { |
| 1829 | pr_err("bl-pmic-bank-select is not defined, rc=%d\n", rc); |
| 1830 | goto error; |
| 1831 | } |
| 1832 | config->pwm_pmic_bank = val; |
| 1833 | |
| 1834 | rc = of_property_read_u32(of_node, "qcom,dsi-bl-pmic-pwm-frequency", |
| 1835 | &val); |
| 1836 | if (rc) { |
| 1837 | pr_err("bl-pmic-bank-select is not defined, rc=%d\n", rc); |
| 1838 | goto error; |
| 1839 | } |
| 1840 | config->pwm_period_usecs = val; |
| 1841 | |
| 1842 | config->pwm_pmi_control = of_property_read_bool(of_node, |
| 1843 | "qcom,mdss-dsi-bl-pwm-pmi"); |
| 1844 | |
| 1845 | config->pwm_gpio = of_get_named_gpio(of_node, |
| 1846 | "qcom,mdss-dsi-pwm-gpio", |
| 1847 | 0); |
| 1848 | if (!gpio_is_valid(config->pwm_gpio)) { |
| 1849 | pr_err("pwm gpio is invalid\n"); |
| 1850 | rc = -EINVAL; |
| 1851 | goto error; |
| 1852 | } |
| 1853 | |
| 1854 | error: |
| 1855 | return rc; |
| 1856 | } |
| 1857 | |
| 1858 | static int dsi_panel_parse_bl_config(struct dsi_panel *panel, |
| 1859 | struct device_node *of_node) |
| 1860 | { |
| 1861 | int rc = 0; |
| 1862 | const char *bl_type; |
| 1863 | u32 val = 0; |
| 1864 | |
| 1865 | bl_type = of_get_property(of_node, |
| 1866 | "qcom,mdss-dsi-bl-pmic-control-type", |
| 1867 | NULL); |
| 1868 | if (!bl_type) { |
| 1869 | panel->bl_config.type = DSI_BACKLIGHT_UNKNOWN; |
| 1870 | } else if (!strcmp(bl_type, "bl_ctrl_pwm")) { |
| 1871 | panel->bl_config.type = DSI_BACKLIGHT_PWM; |
| 1872 | } else if (!strcmp(bl_type, "bl_ctrl_wled")) { |
| 1873 | panel->bl_config.type = DSI_BACKLIGHT_WLED; |
| 1874 | } else if (!strcmp(bl_type, "bl_ctrl_dcs")) { |
| 1875 | panel->bl_config.type = DSI_BACKLIGHT_DCS; |
| 1876 | } else { |
| 1877 | pr_debug("[%s] bl-pmic-control-type unknown-%s\n", |
| 1878 | panel->name, bl_type); |
| 1879 | panel->bl_config.type = DSI_BACKLIGHT_UNKNOWN; |
| 1880 | } |
| 1881 | |
Xu Yang | d566d22 | 2017-05-19 17:18:12 +0800 | [diff] [blame] | 1882 | panel->bl_config.bl_scale = MAX_BL_SCALE_LEVEL; |
| 1883 | panel->bl_config.bl_scale_ad = MAX_AD_BL_SCALE_LEVEL; |
| 1884 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1885 | rc = of_property_read_u32(of_node, "qcom,mdss-dsi-bl-min-level", &val); |
| 1886 | if (rc) { |
| 1887 | pr_debug("[%s] bl-min-level unspecified, defaulting to zero\n", |
| 1888 | panel->name); |
Vishnuvardhan Prodduturi | 75b9680 | 2016-10-17 18:45:55 +0530 | [diff] [blame] | 1889 | panel->bl_config.bl_min_level = 0; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1890 | } else { |
Vishnuvardhan Prodduturi | 75b9680 | 2016-10-17 18:45:55 +0530 | [diff] [blame] | 1891 | panel->bl_config.bl_min_level = val; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1892 | } |
| 1893 | |
| 1894 | rc = of_property_read_u32(of_node, "qcom,mdss-dsi-bl-max-level", &val); |
| 1895 | if (rc) { |
Vishnuvardhan Prodduturi | 75b9680 | 2016-10-17 18:45:55 +0530 | [diff] [blame] | 1896 | pr_debug("[%s] bl-max-level unspecified, defaulting to max level\n", |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1897 | panel->name); |
Vishnuvardhan Prodduturi | 75b9680 | 2016-10-17 18:45:55 +0530 | [diff] [blame] | 1898 | panel->bl_config.bl_max_level = MAX_BL_LEVEL; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1899 | } else { |
Vishnuvardhan Prodduturi | 75b9680 | 2016-10-17 18:45:55 +0530 | [diff] [blame] | 1900 | panel->bl_config.bl_max_level = val; |
| 1901 | } |
| 1902 | |
| 1903 | rc = of_property_read_u32(of_node, "qcom,mdss-brightness-max-level", |
| 1904 | &val); |
| 1905 | if (rc) { |
| 1906 | pr_debug("[%s] brigheness-max-level unspecified, defaulting to 255\n", |
| 1907 | panel->name); |
| 1908 | panel->bl_config.brightness_max_level = 255; |
| 1909 | } else { |
| 1910 | panel->bl_config.brightness_max_level = val; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1911 | } |
| 1912 | |
| 1913 | if (panel->bl_config.type == DSI_BACKLIGHT_PWM) { |
| 1914 | rc = dsi_panel_parse_bl_pwm_config(&panel->bl_config, of_node); |
| 1915 | if (rc) { |
| 1916 | pr_err("[%s] failed to parse pwm config, rc=%d\n", |
| 1917 | panel->name, rc); |
| 1918 | goto error; |
| 1919 | } |
| 1920 | } |
| 1921 | |
| 1922 | panel->bl_config.en_gpio = of_get_named_gpio(of_node, |
| 1923 | "qcom,platform-bklight-en-gpio", |
| 1924 | 0); |
| 1925 | if (!gpio_is_valid(panel->bl_config.en_gpio)) { |
Shashank Babu Chinta Venkata | cf41133 | 2017-05-10 17:30:08 -0700 | [diff] [blame] | 1926 | pr_debug("[%s] failed get bklt gpio, rc=%d\n", panel->name, rc); |
| 1927 | rc = 0; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 1928 | goto error; |
| 1929 | } |
| 1930 | |
| 1931 | error: |
| 1932 | return rc; |
| 1933 | } |
| 1934 | |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 1935 | void dsi_dsc_pclk_param_calc(struct msm_display_dsc_info *dsc, int intf_width) |
| 1936 | { |
| 1937 | int slice_per_pkt, slice_per_intf; |
| 1938 | int bytes_in_slice, total_bytes_per_intf; |
| 1939 | |
| 1940 | if (!dsc || !dsc->slice_width || !dsc->slice_per_pkt || |
| 1941 | (intf_width < dsc->slice_width)) { |
| 1942 | pr_err("invalid input, intf_width=%d slice_width=%d\n", |
| 1943 | intf_width, dsc ? dsc->slice_width : -1); |
| 1944 | return; |
| 1945 | } |
| 1946 | |
| 1947 | slice_per_pkt = dsc->slice_per_pkt; |
| 1948 | slice_per_intf = DIV_ROUND_UP(intf_width, dsc->slice_width); |
| 1949 | |
| 1950 | /* |
| 1951 | * If slice_per_pkt is greater than slice_per_intf then default to 1. |
| 1952 | * This can happen during partial update. |
| 1953 | */ |
| 1954 | if (slice_per_pkt > slice_per_intf) |
| 1955 | slice_per_pkt = 1; |
| 1956 | |
| 1957 | bytes_in_slice = DIV_ROUND_UP(dsc->slice_width * dsc->bpp, 8); |
| 1958 | total_bytes_per_intf = bytes_in_slice * slice_per_intf; |
| 1959 | |
| 1960 | dsc->eol_byte_num = total_bytes_per_intf % 3; |
| 1961 | dsc->pclk_per_line = DIV_ROUND_UP(total_bytes_per_intf, 3); |
| 1962 | dsc->bytes_in_slice = bytes_in_slice; |
| 1963 | dsc->bytes_per_pkt = bytes_in_slice * slice_per_pkt; |
| 1964 | dsc->pkt_per_line = slice_per_intf / slice_per_pkt; |
| 1965 | } |
| 1966 | |
| 1967 | |
| 1968 | int dsi_dsc_populate_static_param(struct msm_display_dsc_info *dsc) |
| 1969 | { |
| 1970 | int bpp, bpc; |
| 1971 | int mux_words_size; |
| 1972 | int groups_per_line, groups_total; |
| 1973 | int min_rate_buffer_size; |
| 1974 | int hrd_delay; |
| 1975 | int pre_num_extra_mux_bits, num_extra_mux_bits; |
| 1976 | int slice_bits; |
| 1977 | int target_bpp_x16; |
| 1978 | int data; |
| 1979 | int final_value, final_scale; |
Rajkumar Subbiah | c70dfab | 2017-06-16 10:46:32 -0400 | [diff] [blame] | 1980 | int ratio_index; |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 1981 | |
| 1982 | dsc->version = 0x11; |
| 1983 | dsc->scr_rev = 0; |
| 1984 | dsc->rc_model_size = 8192; |
| 1985 | if (dsc->version == 0x11 && dsc->scr_rev == 0x1) |
| 1986 | dsc->first_line_bpg_offset = 15; |
| 1987 | else |
| 1988 | dsc->first_line_bpg_offset = 12; |
| 1989 | |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 1990 | dsc->edge_factor = 6; |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 1991 | dsc->tgt_offset_hi = 3; |
| 1992 | dsc->tgt_offset_lo = 3; |
| 1993 | dsc->enable_422 = 0; |
| 1994 | dsc->convert_rgb = 1; |
| 1995 | dsc->vbr_enable = 0; |
| 1996 | |
| 1997 | dsc->buf_thresh = dsi_dsc_rc_buf_thresh; |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 1998 | |
| 1999 | bpp = dsc->bpp; |
| 2000 | bpc = dsc->bpc; |
| 2001 | |
Rajkumar Subbiah | c70dfab | 2017-06-16 10:46:32 -0400 | [diff] [blame] | 2002 | if (bpc == 12) |
| 2003 | ratio_index = DSC_12BPC_8BPP; |
| 2004 | else if (bpc == 10) |
| 2005 | ratio_index = DSC_10BPC_8BPP; |
| 2006 | else |
| 2007 | ratio_index = DSC_8BPC_8BPP; |
| 2008 | |
| 2009 | if (dsc->version == 0x11 && dsc->scr_rev == 0x1) { |
| 2010 | dsc->range_min_qp = |
| 2011 | dsi_dsc_rc_range_min_qp_1_1_scr1[ratio_index]; |
| 2012 | dsc->range_max_qp = |
| 2013 | dsi_dsc_rc_range_max_qp_1_1_scr1[ratio_index]; |
| 2014 | } else { |
| 2015 | dsc->range_min_qp = dsi_dsc_rc_range_min_qp_1_1[ratio_index]; |
| 2016 | dsc->range_max_qp = dsi_dsc_rc_range_max_qp_1_1[ratio_index]; |
| 2017 | } |
| 2018 | dsc->range_bpg_offset = dsi_dsc_rc_range_bpg_offset; |
| 2019 | |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2020 | if (bpp == 8) |
| 2021 | dsc->initial_offset = 6144; |
| 2022 | else |
| 2023 | dsc->initial_offset = 2048; /* bpp = 12 */ |
| 2024 | |
Rajkumar Subbiah | c70dfab | 2017-06-16 10:46:32 -0400 | [diff] [blame] | 2025 | if (bpc == 12) |
| 2026 | mux_words_size = 64; |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2027 | else |
Rajkumar Subbiah | c70dfab | 2017-06-16 10:46:32 -0400 | [diff] [blame] | 2028 | mux_words_size = 48; /* bpc == 8/10 */ |
| 2029 | |
| 2030 | if (bpc == 8) { |
| 2031 | dsc->line_buf_depth = 9; |
| 2032 | dsc->input_10_bits = 0; |
| 2033 | dsc->min_qp_flatness = 3; |
| 2034 | dsc->max_qp_flatness = 12; |
| 2035 | dsc->quant_incr_limit0 = 11; |
| 2036 | dsc->quant_incr_limit1 = 11; |
| 2037 | } else if (bpc == 10) { /* 10bpc */ |
| 2038 | dsc->line_buf_depth = 11; |
| 2039 | dsc->input_10_bits = 1; |
| 2040 | dsc->min_qp_flatness = 7; |
| 2041 | dsc->max_qp_flatness = 16; |
| 2042 | dsc->quant_incr_limit0 = 15; |
| 2043 | dsc->quant_incr_limit1 = 15; |
| 2044 | } else { /* 12 bpc */ |
| 2045 | dsc->line_buf_depth = 9; |
| 2046 | dsc->input_10_bits = 0; |
| 2047 | dsc->min_qp_flatness = 11; |
| 2048 | dsc->max_qp_flatness = 20; |
| 2049 | dsc->quant_incr_limit0 = 19; |
| 2050 | dsc->quant_incr_limit1 = 19; |
| 2051 | } |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2052 | |
| 2053 | dsc->slice_last_group_size = 3 - (dsc->slice_width % 3); |
| 2054 | |
| 2055 | dsc->det_thresh_flatness = 7 + 2*(bpc - 8); |
| 2056 | |
| 2057 | dsc->initial_xmit_delay = dsc->rc_model_size / (2 * bpp); |
| 2058 | |
| 2059 | groups_per_line = DIV_ROUND_UP(dsc->slice_width, 3); |
| 2060 | |
| 2061 | dsc->chunk_size = dsc->slice_width * bpp / 8; |
| 2062 | if ((dsc->slice_width * bpp) % 8) |
| 2063 | dsc->chunk_size++; |
| 2064 | |
| 2065 | /* rbs-min */ |
| 2066 | min_rate_buffer_size = dsc->rc_model_size - dsc->initial_offset + |
| 2067 | dsc->initial_xmit_delay * bpp + |
| 2068 | groups_per_line * dsc->first_line_bpg_offset; |
| 2069 | |
| 2070 | hrd_delay = DIV_ROUND_UP(min_rate_buffer_size, bpp); |
| 2071 | |
| 2072 | dsc->initial_dec_delay = hrd_delay - dsc->initial_xmit_delay; |
| 2073 | |
| 2074 | dsc->initial_scale_value = 8 * dsc->rc_model_size / |
| 2075 | (dsc->rc_model_size - dsc->initial_offset); |
| 2076 | |
| 2077 | slice_bits = 8 * dsc->chunk_size * dsc->slice_height; |
| 2078 | |
| 2079 | groups_total = groups_per_line * dsc->slice_height; |
| 2080 | |
| 2081 | data = dsc->first_line_bpg_offset * 2048; |
| 2082 | |
| 2083 | dsc->nfl_bpg_offset = DIV_ROUND_UP(data, (dsc->slice_height - 1)); |
| 2084 | |
| 2085 | pre_num_extra_mux_bits = 3 * (mux_words_size + (4 * bpc + 4) - 2); |
| 2086 | |
| 2087 | num_extra_mux_bits = pre_num_extra_mux_bits - (mux_words_size - |
| 2088 | ((slice_bits - pre_num_extra_mux_bits) % mux_words_size)); |
| 2089 | |
| 2090 | data = 2048 * (dsc->rc_model_size - dsc->initial_offset |
| 2091 | + num_extra_mux_bits); |
| 2092 | dsc->slice_bpg_offset = DIV_ROUND_UP(data, groups_total); |
| 2093 | |
| 2094 | /* bpp * 16 + 0.5 */ |
| 2095 | data = bpp * 16; |
| 2096 | data *= 2; |
| 2097 | data++; |
| 2098 | data /= 2; |
| 2099 | target_bpp_x16 = data; |
| 2100 | |
| 2101 | data = (dsc->initial_xmit_delay * target_bpp_x16) / 16; |
| 2102 | final_value = dsc->rc_model_size - data + num_extra_mux_bits; |
| 2103 | |
| 2104 | final_scale = 8 * dsc->rc_model_size / |
| 2105 | (dsc->rc_model_size - final_value); |
| 2106 | |
| 2107 | dsc->final_offset = final_value; |
| 2108 | |
| 2109 | data = (final_scale - 9) * (dsc->nfl_bpg_offset + |
| 2110 | dsc->slice_bpg_offset); |
| 2111 | dsc->scale_increment_interval = (2048 * dsc->final_offset) / data; |
| 2112 | |
| 2113 | dsc->scale_decrement_interval = groups_per_line / |
| 2114 | (dsc->initial_scale_value - 8); |
| 2115 | |
| 2116 | return 0; |
| 2117 | } |
| 2118 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2119 | |
| 2120 | static int dsi_panel_parse_phy_timing(struct dsi_display_mode *mode, |
| 2121 | struct device_node *of_node) |
| 2122 | { |
| 2123 | const char *data; |
| 2124 | u32 len, i; |
| 2125 | int rc = 0; |
| 2126 | struct dsi_display_mode_priv_info *priv_info; |
| 2127 | |
| 2128 | priv_info = mode->priv_info; |
| 2129 | |
| 2130 | data = of_get_property(of_node, |
| 2131 | "qcom,mdss-dsi-panel-phy-timings", &len); |
| 2132 | if (!data) { |
| 2133 | pr_debug("Unable to read Phy timing settings"); |
| 2134 | } else { |
| 2135 | priv_info->phy_timing_val = |
| 2136 | kzalloc((sizeof(u32) * len), GFP_KERNEL); |
| 2137 | if (!priv_info->phy_timing_val) |
| 2138 | return -EINVAL; |
| 2139 | |
| 2140 | for (i = 0; i < len; i++) |
| 2141 | priv_info->phy_timing_val[i] = data[i]; |
| 2142 | |
| 2143 | priv_info->phy_timing_len = len; |
| 2144 | }; |
| 2145 | |
| 2146 | mode->pixel_clk_khz = (DSI_H_TOTAL(&mode->timing) * |
| 2147 | DSI_V_TOTAL(&mode->timing) * |
| 2148 | mode->timing.refresh_rate) / 1000; |
| 2149 | return rc; |
| 2150 | } |
| 2151 | |
| 2152 | static int dsi_panel_parse_dsc_params(struct dsi_display_mode *mode, |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2153 | struct device_node *of_node) |
| 2154 | { |
| 2155 | u32 data; |
| 2156 | int rc = -EINVAL; |
| 2157 | int intf_width; |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2158 | const char *compression; |
| 2159 | struct dsi_display_mode_priv_info *priv_info; |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2160 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2161 | if (!mode || !mode->priv_info) |
| 2162 | return -EINVAL; |
| 2163 | |
| 2164 | priv_info = mode->priv_info; |
| 2165 | |
| 2166 | priv_info->dsc_enabled = false; |
| 2167 | compression = of_get_property(of_node, "qcom,compression-mode", NULL); |
| 2168 | if (compression && !strcmp(compression, "dsc")) |
| 2169 | priv_info->dsc_enabled = true; |
| 2170 | |
| 2171 | if (!priv_info->dsc_enabled) { |
| 2172 | pr_debug("dsc compression is not enabled for the mode"); |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2173 | return 0; |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2174 | } |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2175 | |
Jeykumar Sankaran | 6b345ac | 2017-03-15 19:17:19 -0700 | [diff] [blame] | 2176 | rc = of_property_read_u32(of_node, "qcom,mdss-dsc-slice-height", &data); |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2177 | if (rc) { |
| 2178 | pr_err("failed to parse qcom,mdss-dsc-slice-height\n"); |
| 2179 | goto error; |
| 2180 | } |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2181 | priv_info->dsc.slice_height = data; |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2182 | |
Jeykumar Sankaran | 6b345ac | 2017-03-15 19:17:19 -0700 | [diff] [blame] | 2183 | rc = of_property_read_u32(of_node, "qcom,mdss-dsc-slice-width", &data); |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2184 | if (rc) { |
| 2185 | pr_err("failed to parse qcom,mdss-dsc-slice-width\n"); |
| 2186 | goto error; |
| 2187 | } |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2188 | priv_info->dsc.slice_width = data; |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2189 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2190 | intf_width = mode->timing.h_active; |
| 2191 | if (intf_width % priv_info->dsc.slice_width) { |
Dhaval Patel | 35ec17e | 2017-10-17 22:20:37 -0700 | [diff] [blame] | 2192 | pr_err("invalid slice width for the intf width:%d slice width:%d\n", |
| 2193 | intf_width, priv_info->dsc.slice_width); |
| 2194 | rc = -EINVAL; |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2195 | goto error; |
| 2196 | } |
| 2197 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2198 | priv_info->dsc.pic_width = mode->timing.h_active; |
| 2199 | priv_info->dsc.pic_height = mode->timing.v_active; |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2200 | |
Jeykumar Sankaran | 6b345ac | 2017-03-15 19:17:19 -0700 | [diff] [blame] | 2201 | rc = of_property_read_u32(of_node, "qcom,mdss-dsc-slice-per-pkt", |
| 2202 | &data); |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2203 | if (rc) { |
| 2204 | pr_err("failed to parse qcom,mdss-dsc-slice-per-pkt\n"); |
| 2205 | goto error; |
| 2206 | } |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2207 | priv_info->dsc.slice_per_pkt = data; |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2208 | |
Jeykumar Sankaran | 6b345ac | 2017-03-15 19:17:19 -0700 | [diff] [blame] | 2209 | rc = of_property_read_u32(of_node, "qcom,mdss-dsc-bit-per-component", |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2210 | &data); |
| 2211 | if (rc) { |
| 2212 | pr_err("failed to parse qcom,mdss-dsc-bit-per-component\n"); |
| 2213 | goto error; |
| 2214 | } |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2215 | priv_info->dsc.bpc = data; |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2216 | |
Jeykumar Sankaran | 6b345ac | 2017-03-15 19:17:19 -0700 | [diff] [blame] | 2217 | rc = of_property_read_u32(of_node, "qcom,mdss-dsc-bit-per-pixel", |
| 2218 | &data); |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2219 | if (rc) { |
| 2220 | pr_err("failed to parse qcom,mdss-dsc-bit-per-pixel\n"); |
| 2221 | goto error; |
| 2222 | } |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2223 | priv_info->dsc.bpp = data; |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2224 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2225 | priv_info->dsc.block_pred_enable = of_property_read_bool(of_node, |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2226 | "qcom,mdss-dsc-block-prediction-enable"); |
| 2227 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2228 | priv_info->dsc.full_frame_slices = DIV_ROUND_UP(intf_width, |
| 2229 | priv_info->dsc.slice_width); |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2230 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2231 | dsi_dsc_populate_static_param(&priv_info->dsc); |
| 2232 | dsi_dsc_pclk_param_calc(&priv_info->dsc, intf_width); |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2233 | |
| 2234 | error: |
| 2235 | return rc; |
| 2236 | } |
| 2237 | |
Ping Li | 898b1bf | 2017-02-09 18:03:28 -0800 | [diff] [blame] | 2238 | static int dsi_panel_parse_hdr_config(struct dsi_panel *panel, |
| 2239 | struct device_node *of_node) |
| 2240 | { |
| 2241 | |
| 2242 | int rc = 0; |
| 2243 | struct drm_panel_hdr_properties *hdr_prop; |
| 2244 | |
| 2245 | hdr_prop = &panel->hdr_props; |
| 2246 | hdr_prop->hdr_enabled = of_property_read_bool(of_node, |
| 2247 | "qcom,mdss-dsi-panel-hdr-enabled"); |
| 2248 | |
| 2249 | if (hdr_prop->hdr_enabled) { |
| 2250 | rc = of_property_read_u32_array(of_node, |
| 2251 | "qcom,mdss-dsi-panel-hdr-color-primaries", |
| 2252 | hdr_prop->display_primaries, |
| 2253 | DISPLAY_PRIMARIES_MAX); |
| 2254 | if (rc) { |
| 2255 | pr_err("%s:%d, Unable to read color primaries,rc:%u", |
| 2256 | __func__, __LINE__, rc); |
| 2257 | hdr_prop->hdr_enabled = false; |
| 2258 | return rc; |
| 2259 | } |
| 2260 | |
| 2261 | rc = of_property_read_u32(of_node, |
| 2262 | "qcom,mdss-dsi-panel-peak-brightness", |
| 2263 | &(hdr_prop->peak_brightness)); |
| 2264 | if (rc) { |
| 2265 | pr_err("%s:%d, Unable to read hdr brightness, rc:%u", |
| 2266 | __func__, __LINE__, rc); |
| 2267 | hdr_prop->hdr_enabled = false; |
| 2268 | return rc; |
| 2269 | } |
| 2270 | |
| 2271 | rc = of_property_read_u32(of_node, |
| 2272 | "qcom,mdss-dsi-panel-blackness-level", |
| 2273 | &(hdr_prop->blackness_level)); |
| 2274 | if (rc) { |
| 2275 | pr_err("%s:%d, Unable to read hdr brightness, rc:%u", |
| 2276 | __func__, __LINE__, rc); |
| 2277 | hdr_prop->hdr_enabled = false; |
| 2278 | return rc; |
| 2279 | } |
| 2280 | } |
| 2281 | return 0; |
| 2282 | } |
| 2283 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2284 | static int dsi_panel_parse_topology( |
| 2285 | struct dsi_display_mode_priv_info *priv_info, |
| 2286 | struct device_node *of_node, int topology_override) |
Jeykumar Sankaran | 6b345ac | 2017-03-15 19:17:19 -0700 | [diff] [blame] | 2287 | { |
| 2288 | struct msm_display_topology *topology; |
| 2289 | u32 top_count, top_sel, *array = NULL; |
| 2290 | int i, len = 0; |
| 2291 | int rc = -EINVAL; |
| 2292 | |
| 2293 | len = of_property_count_u32_elems(of_node, "qcom,display-topology"); |
| 2294 | if (len <= 0 || len % TOPOLOGY_SET_LEN || |
| 2295 | len > (TOPOLOGY_SET_LEN * MAX_TOPOLOGY)) { |
| 2296 | pr_err("invalid topology list for the panel, rc = %d\n", rc); |
| 2297 | return rc; |
| 2298 | } |
| 2299 | |
| 2300 | top_count = len / TOPOLOGY_SET_LEN; |
| 2301 | |
| 2302 | array = kcalloc(len, sizeof(u32), GFP_KERNEL); |
| 2303 | if (!array) |
| 2304 | return -ENOMEM; |
| 2305 | |
| 2306 | rc = of_property_read_u32_array(of_node, |
| 2307 | "qcom,display-topology", array, len); |
| 2308 | if (rc) { |
| 2309 | pr_err("unable to read the display topologies, rc = %d\n", rc); |
| 2310 | goto read_fail; |
| 2311 | } |
| 2312 | |
| 2313 | topology = kcalloc(top_count, sizeof(*topology), GFP_KERNEL); |
| 2314 | if (!topology) { |
| 2315 | rc = -ENOMEM; |
| 2316 | goto read_fail; |
| 2317 | } |
| 2318 | |
| 2319 | for (i = 0; i < top_count; i++) { |
| 2320 | struct msm_display_topology *top = &topology[i]; |
| 2321 | |
| 2322 | top->num_lm = array[i * TOPOLOGY_SET_LEN]; |
| 2323 | top->num_enc = array[i * TOPOLOGY_SET_LEN + 1]; |
| 2324 | top->num_intf = array[i * TOPOLOGY_SET_LEN + 2]; |
| 2325 | }; |
| 2326 | |
Chandan Uddaraju | 7e9613a | 2017-06-01 13:10:55 -0700 | [diff] [blame] | 2327 | if (topology_override >= 0 && topology_override < top_count) { |
| 2328 | pr_info("override topology: cfg:%d lm:%d comp_enc:%d intf:%d\n", |
| 2329 | topology_override, |
| 2330 | topology[topology_override].num_lm, |
| 2331 | topology[topology_override].num_enc, |
| 2332 | topology[topology_override].num_intf); |
| 2333 | top_sel = topology_override; |
Jeykumar Sankaran | 6b345ac | 2017-03-15 19:17:19 -0700 | [diff] [blame] | 2334 | goto parse_done; |
| 2335 | } |
| 2336 | |
| 2337 | rc = of_property_read_u32(of_node, |
| 2338 | "qcom,default-topology-index", &top_sel); |
| 2339 | if (rc) { |
| 2340 | pr_err("no default topology selected, rc = %d\n", rc); |
| 2341 | goto parse_fail; |
| 2342 | } |
| 2343 | |
| 2344 | if (top_sel >= top_count) { |
| 2345 | rc = -EINVAL; |
| 2346 | pr_err("default topology is specified is not valid, rc = %d\n", |
| 2347 | rc); |
| 2348 | goto parse_fail; |
| 2349 | } |
| 2350 | |
| 2351 | pr_info("default topology: lm: %d comp_enc:%d intf: %d\n", |
| 2352 | topology[top_sel].num_lm, |
| 2353 | topology[top_sel].num_enc, |
| 2354 | topology[top_sel].num_intf); |
| 2355 | |
| 2356 | parse_done: |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2357 | memcpy(&priv_info->topology, &topology[top_sel], |
Jeykumar Sankaran | 6b345ac | 2017-03-15 19:17:19 -0700 | [diff] [blame] | 2358 | sizeof(struct msm_display_topology)); |
| 2359 | parse_fail: |
| 2360 | kfree(topology); |
| 2361 | read_fail: |
| 2362 | kfree(array); |
| 2363 | |
| 2364 | return rc; |
| 2365 | } |
| 2366 | |
Lloyd Atkinson | e53b737 | 2017-03-22 17:16:47 -0400 | [diff] [blame] | 2367 | static int dsi_panel_parse_roi_alignment(struct device_node *of_node, |
| 2368 | struct msm_roi_alignment *align) |
| 2369 | { |
| 2370 | int len = 0, rc = 0; |
| 2371 | u32 value[6]; |
| 2372 | struct property *data; |
| 2373 | |
| 2374 | if (!align || !of_node) |
| 2375 | return -EINVAL; |
| 2376 | |
| 2377 | memset(align, 0, sizeof(*align)); |
| 2378 | |
| 2379 | data = of_find_property(of_node, "qcom,panel-roi-alignment", &len); |
| 2380 | len /= sizeof(u32); |
| 2381 | if (!data) { |
| 2382 | pr_err("panel roi alignment not found\n"); |
| 2383 | rc = -EINVAL; |
| 2384 | } else if (len != 6) { |
| 2385 | pr_err("incorrect roi alignment len %d\n", len); |
| 2386 | rc = -EINVAL; |
| 2387 | } else { |
| 2388 | rc = of_property_read_u32_array(of_node, |
| 2389 | "qcom,panel-roi-alignment", value, len); |
| 2390 | if (rc) |
| 2391 | pr_debug("error reading panel roi alignment values\n"); |
| 2392 | else { |
| 2393 | align->xstart_pix_align = value[0]; |
| 2394 | align->ystart_pix_align = value[1]; |
| 2395 | align->width_pix_align = value[2]; |
| 2396 | align->height_pix_align = value[3]; |
| 2397 | align->min_width = value[4]; |
| 2398 | align->min_height = value[5]; |
| 2399 | } |
| 2400 | |
| 2401 | pr_info("roi alignment: [%d, %d, %d, %d, %d, %d]\n", |
| 2402 | align->xstart_pix_align, |
| 2403 | align->width_pix_align, |
| 2404 | align->ystart_pix_align, |
| 2405 | align->height_pix_align, |
| 2406 | align->min_width, |
| 2407 | align->min_height); |
| 2408 | } |
| 2409 | |
| 2410 | return rc; |
| 2411 | } |
| 2412 | |
Jeykumar Sankaran | 736d79d | 2017-10-05 17:44:24 -0700 | [diff] [blame] | 2413 | static int dsi_panel_parse_partial_update_caps(struct dsi_display_mode *mode, |
| 2414 | struct device_node *of_node) |
Lloyd Atkinson | e53b737 | 2017-03-22 17:16:47 -0400 | [diff] [blame] | 2415 | { |
Jeykumar Sankaran | 736d79d | 2017-10-05 17:44:24 -0700 | [diff] [blame] | 2416 | struct msm_roi_caps *roi_caps = NULL; |
Lloyd Atkinson | e53b737 | 2017-03-22 17:16:47 -0400 | [diff] [blame] | 2417 | const char *data; |
| 2418 | int rc = 0; |
| 2419 | |
Jeykumar Sankaran | 736d79d | 2017-10-05 17:44:24 -0700 | [diff] [blame] | 2420 | if (!mode || !mode->priv_info) { |
| 2421 | pr_err("invalid arguments\n"); |
| 2422 | return -EINVAL; |
| 2423 | } |
| 2424 | |
| 2425 | roi_caps = &mode->priv_info->roi_caps; |
| 2426 | |
Lloyd Atkinson | e53b737 | 2017-03-22 17:16:47 -0400 | [diff] [blame] | 2427 | memset(roi_caps, 0, sizeof(*roi_caps)); |
| 2428 | |
| 2429 | data = of_get_property(of_node, "qcom,partial-update-enabled", NULL); |
| 2430 | if (data) { |
| 2431 | if (!strcmp(data, "dual_roi")) |
| 2432 | roi_caps->num_roi = 2; |
Jeykumar Sankaran | 736d79d | 2017-10-05 17:44:24 -0700 | [diff] [blame] | 2433 | else if (!strcmp(data, "single_roi")) |
Lloyd Atkinson | e53b737 | 2017-03-22 17:16:47 -0400 | [diff] [blame] | 2434 | roi_caps->num_roi = 1; |
Jeykumar Sankaran | 736d79d | 2017-10-05 17:44:24 -0700 | [diff] [blame] | 2435 | else { |
| 2436 | pr_info( |
| 2437 | "invalid value for qcom,partial-update-enabled: %s\n", |
| 2438 | data); |
| 2439 | return 0; |
| 2440 | } |
| 2441 | } else { |
| 2442 | pr_info("partial update disabled as the property is not set\n"); |
| 2443 | return 0; |
Lloyd Atkinson | e53b737 | 2017-03-22 17:16:47 -0400 | [diff] [blame] | 2444 | } |
| 2445 | |
| 2446 | roi_caps->merge_rois = of_property_read_bool(of_node, |
| 2447 | "qcom,partial-update-roi-merge"); |
| 2448 | |
| 2449 | roi_caps->enabled = roi_caps->num_roi > 0; |
| 2450 | |
| 2451 | pr_info("partial update num_rois=%d enabled=%d\n", roi_caps->num_roi, |
| 2452 | roi_caps->enabled); |
| 2453 | |
| 2454 | if (roi_caps->enabled) |
| 2455 | rc = dsi_panel_parse_roi_alignment(of_node, |
Jeykumar Sankaran | 736d79d | 2017-10-05 17:44:24 -0700 | [diff] [blame] | 2456 | &roi_caps->align); |
Lloyd Atkinson | e53b737 | 2017-03-22 17:16:47 -0400 | [diff] [blame] | 2457 | |
| 2458 | if (rc) |
| 2459 | memset(roi_caps, 0, sizeof(*roi_caps)); |
| 2460 | |
| 2461 | return rc; |
| 2462 | } |
| 2463 | |
Jeykumar Sankaran | a7c7bbe | 2017-05-31 18:12:05 -0700 | [diff] [blame] | 2464 | static int dsi_panel_parse_dms_info(struct dsi_panel *panel, |
| 2465 | struct device_node *of_node) |
| 2466 | { |
| 2467 | int dms_enabled; |
| 2468 | const char *data; |
| 2469 | |
| 2470 | if (!of_node || !panel) { |
| 2471 | pr_err("invalid params\n"); |
| 2472 | return -EINVAL; |
| 2473 | } |
| 2474 | |
| 2475 | panel->dms_mode = DSI_DMS_MODE_DISABLED; |
| 2476 | dms_enabled = of_property_read_bool(of_node, |
| 2477 | "qcom,dynamic-mode-switch-enabled"); |
| 2478 | if (!dms_enabled) |
| 2479 | return 0; |
| 2480 | |
| 2481 | data = of_get_property(of_node, "qcom,dynamic-mode-switch-type", NULL); |
| 2482 | if (data && !strcmp(data, "dynamic-resolution-switch-immediate")) { |
| 2483 | panel->dms_mode = DSI_DMS_MODE_RES_SWITCH_IMMEDIATE; |
| 2484 | } else { |
| 2485 | pr_err("[%s] unsupported dynamic switch mode: %s\n", |
| 2486 | panel->name, data); |
| 2487 | return -EINVAL; |
| 2488 | } |
| 2489 | |
| 2490 | return 0; |
| 2491 | }; |
| 2492 | |
Sandeep Panda | 14666d1 | 2017-05-08 17:11:03 +0530 | [diff] [blame] | 2493 | /* |
| 2494 | * The length of all the valid values to be checked should not be greater |
| 2495 | * than the length of returned data from read command. |
| 2496 | */ |
| 2497 | static bool |
| 2498 | dsi_panel_parse_esd_check_valid_params(struct dsi_panel *panel, u32 count) |
| 2499 | { |
| 2500 | int i; |
| 2501 | struct drm_panel_esd_config *config = &panel->esd_config; |
| 2502 | |
| 2503 | for (i = 0; i < count; ++i) { |
| 2504 | if (config->status_valid_params[i] > |
| 2505 | config->status_cmds_rlen[i]) { |
| 2506 | pr_debug("ignore valid params\n"); |
| 2507 | return false; |
| 2508 | } |
| 2509 | } |
| 2510 | |
| 2511 | return true; |
| 2512 | } |
| 2513 | |
| 2514 | static bool dsi_panel_parse_esd_status_len(struct device_node *np, |
| 2515 | char *prop_key, u32 **target, u32 cmd_cnt) |
| 2516 | { |
| 2517 | int tmp; |
| 2518 | |
| 2519 | if (!of_find_property(np, prop_key, &tmp)) |
| 2520 | return false; |
| 2521 | |
| 2522 | tmp /= sizeof(u32); |
| 2523 | if (tmp != cmd_cnt) { |
| 2524 | pr_err("request property(%d) do not match cmd count(%d)\n", |
| 2525 | tmp, cmd_cnt); |
| 2526 | return false; |
| 2527 | } |
| 2528 | |
| 2529 | *target = kcalloc(tmp, sizeof(u32), GFP_KERNEL); |
| 2530 | if (IS_ERR_OR_NULL(*target)) { |
| 2531 | pr_err("Error allocating memory for property\n"); |
| 2532 | return false; |
| 2533 | } |
| 2534 | |
| 2535 | if (of_property_read_u32_array(np, prop_key, *target, tmp)) { |
| 2536 | pr_err("cannot get values from dts\n"); |
| 2537 | kfree(*target); |
| 2538 | *target = NULL; |
| 2539 | return false; |
| 2540 | } |
| 2541 | |
| 2542 | return true; |
| 2543 | } |
| 2544 | |
| 2545 | static void dsi_panel_esd_config_deinit(struct drm_panel_esd_config *esd_config) |
| 2546 | { |
Sandeep Panda | 7945000 | 2017-05-08 17:14:24 +0530 | [diff] [blame] | 2547 | kfree(esd_config->status_buf); |
Sandeep Panda | 14666d1 | 2017-05-08 17:11:03 +0530 | [diff] [blame] | 2548 | kfree(esd_config->return_buf); |
| 2549 | kfree(esd_config->status_value); |
| 2550 | kfree(esd_config->status_valid_params); |
| 2551 | kfree(esd_config->status_cmds_rlen); |
| 2552 | kfree(esd_config->status_cmd.cmds); |
| 2553 | } |
| 2554 | |
| 2555 | static int dsi_panel_parse_esd_config(struct dsi_panel *panel, |
| 2556 | struct device_node *of_node) |
| 2557 | { |
| 2558 | int rc = 0; |
| 2559 | u32 tmp; |
| 2560 | u32 i, status_len, *lenp; |
| 2561 | struct property *data; |
| 2562 | const char *string; |
| 2563 | struct drm_panel_esd_config *esd_config; |
Sandeep Panda | 5a91e48 | 2017-10-10 10:04:00 +0530 | [diff] [blame] | 2564 | u8 *esd_mode = NULL; |
Sandeep Panda | 14666d1 | 2017-05-08 17:11:03 +0530 | [diff] [blame] | 2565 | |
| 2566 | esd_config = &panel->esd_config; |
Sandeep Panda | 5a91e48 | 2017-10-10 10:04:00 +0530 | [diff] [blame] | 2567 | esd_config->status_mode = ESD_MODE_MAX; |
Sandeep Panda | 14666d1 | 2017-05-08 17:11:03 +0530 | [diff] [blame] | 2568 | esd_config->esd_enabled = of_property_read_bool(of_node, |
| 2569 | "qcom,esd-check-enabled"); |
| 2570 | |
| 2571 | if (!esd_config->esd_enabled) |
| 2572 | return 0; |
| 2573 | |
| 2574 | rc = of_property_read_string(of_node, |
| 2575 | "qcom,mdss-dsi-panel-status-check-mode", &string); |
| 2576 | if (!rc) { |
| 2577 | if (!strcmp(string, "bta_check")) { |
| 2578 | esd_config->status_mode = ESD_MODE_SW_BTA; |
| 2579 | } else if (!strcmp(string, "reg_read")) { |
| 2580 | esd_config->status_mode = ESD_MODE_REG_READ; |
| 2581 | } else if (!strcmp(string, "te_signal_check")) { |
| 2582 | if (panel->panel_mode == DSI_OP_CMD_MODE) { |
| 2583 | esd_config->status_mode = ESD_MODE_PANEL_TE; |
| 2584 | } else { |
| 2585 | pr_err("TE-ESD not valid for video mode\n"); |
| 2586 | rc = -EINVAL; |
| 2587 | goto error; |
| 2588 | } |
| 2589 | } else { |
| 2590 | pr_err("No valid panel-status-check-mode string\n"); |
| 2591 | rc = -EINVAL; |
| 2592 | goto error; |
| 2593 | } |
| 2594 | } else { |
| 2595 | pr_debug("status check method not defined!\n"); |
| 2596 | rc = -EINVAL; |
| 2597 | goto error; |
| 2598 | } |
| 2599 | |
| 2600 | if ((esd_config->status_mode == ESD_MODE_SW_BTA) || |
| 2601 | (esd_config->status_mode == ESD_MODE_PANEL_TE)) |
| 2602 | return 0; |
| 2603 | |
| 2604 | dsi_panel_parse_cmd_sets_sub(&esd_config->status_cmd, |
| 2605 | DSI_CMD_SET_PANEL_STATUS, of_node); |
| 2606 | if (!esd_config->status_cmd.count) { |
| 2607 | pr_err("panel status command parsing failed\n"); |
| 2608 | rc = -EINVAL; |
| 2609 | goto error; |
| 2610 | } |
| 2611 | |
| 2612 | if (!dsi_panel_parse_esd_status_len(of_node, |
| 2613 | "qcom,mdss-dsi-panel-status-read-length", |
| 2614 | &panel->esd_config.status_cmds_rlen, |
| 2615 | esd_config->status_cmd.count)) { |
| 2616 | pr_err("Invalid status read length\n"); |
| 2617 | rc = -EINVAL; |
| 2618 | goto error1; |
| 2619 | } |
| 2620 | |
| 2621 | if (dsi_panel_parse_esd_status_len(of_node, |
| 2622 | "qcom,mdss-dsi-panel-status-valid-params", |
| 2623 | &panel->esd_config.status_valid_params, |
| 2624 | esd_config->status_cmd.count)) { |
| 2625 | if (!dsi_panel_parse_esd_check_valid_params(panel, |
| 2626 | esd_config->status_cmd.count)) { |
| 2627 | rc = -EINVAL; |
| 2628 | goto error2; |
| 2629 | } |
| 2630 | } |
| 2631 | |
| 2632 | status_len = 0; |
| 2633 | lenp = esd_config->status_valid_params ?: esd_config->status_cmds_rlen; |
| 2634 | for (i = 0; i < esd_config->status_cmd.count; ++i) |
| 2635 | status_len += lenp[i]; |
| 2636 | |
| 2637 | if (!status_len) { |
| 2638 | rc = -EINVAL; |
| 2639 | goto error2; |
| 2640 | } |
| 2641 | |
| 2642 | /* |
| 2643 | * Some panel may need multiple read commands to properly |
| 2644 | * check panel status. Do a sanity check for proper status |
| 2645 | * value which will be compared with the value read by dsi |
| 2646 | * controller during ESD check. Also check if multiple read |
| 2647 | * commands are there then, there should be corresponding |
| 2648 | * status check values for each read command. |
| 2649 | */ |
| 2650 | data = of_find_property(of_node, |
| 2651 | "qcom,mdss-dsi-panel-status-value", &tmp); |
| 2652 | tmp /= sizeof(u32); |
| 2653 | if (!IS_ERR_OR_NULL(data) && tmp != 0 && (tmp % status_len) == 0) { |
| 2654 | esd_config->groups = tmp / status_len; |
| 2655 | } else { |
| 2656 | pr_err("error parse panel-status-value\n"); |
| 2657 | rc = -EINVAL; |
| 2658 | goto error2; |
| 2659 | } |
| 2660 | |
| 2661 | esd_config->status_value = |
| 2662 | kzalloc(sizeof(u32) * status_len * esd_config->groups, |
| 2663 | GFP_KERNEL); |
| 2664 | if (!esd_config->status_value) { |
| 2665 | rc = -ENOMEM; |
| 2666 | goto error2; |
| 2667 | } |
| 2668 | |
| 2669 | esd_config->return_buf = kcalloc(status_len * esd_config->groups, |
| 2670 | sizeof(unsigned char), GFP_KERNEL); |
| 2671 | if (!esd_config->return_buf) { |
| 2672 | rc = -ENOMEM; |
| 2673 | goto error3; |
| 2674 | } |
| 2675 | |
Sandeep Panda | 7945000 | 2017-05-08 17:14:24 +0530 | [diff] [blame] | 2676 | esd_config->status_buf = kzalloc(SZ_4K, GFP_KERNEL); |
| 2677 | if (!esd_config->status_buf) |
| 2678 | goto error4; |
| 2679 | |
Sandeep Panda | 14666d1 | 2017-05-08 17:11:03 +0530 | [diff] [blame] | 2680 | rc = of_property_read_u32_array(of_node, |
| 2681 | "qcom,mdss-dsi-panel-status-value", |
| 2682 | esd_config->status_value, esd_config->groups * status_len); |
| 2683 | if (rc) { |
| 2684 | pr_debug("error reading panel status values\n"); |
| 2685 | memset(esd_config->status_value, 0, |
| 2686 | esd_config->groups * status_len); |
| 2687 | } |
| 2688 | |
Sandeep Panda | 5a91e48 | 2017-10-10 10:04:00 +0530 | [diff] [blame] | 2689 | if (panel->esd_config.status_mode == ESD_MODE_REG_READ) |
| 2690 | esd_mode = "register_read"; |
| 2691 | else if (panel->esd_config.status_mode == ESD_MODE_SW_BTA) |
| 2692 | esd_mode = "bta_trigger"; |
| 2693 | else if (panel->esd_config.status_mode == ESD_MODE_PANEL_TE) |
| 2694 | esd_mode = "te_check"; |
| 2695 | |
| 2696 | pr_info("ESD enabled with mode: %s\n", esd_mode); |
| 2697 | |
Sandeep Panda | 14666d1 | 2017-05-08 17:11:03 +0530 | [diff] [blame] | 2698 | return 0; |
| 2699 | |
Sandeep Panda | 7945000 | 2017-05-08 17:14:24 +0530 | [diff] [blame] | 2700 | error4: |
| 2701 | kfree(esd_config->return_buf); |
Sandeep Panda | 14666d1 | 2017-05-08 17:11:03 +0530 | [diff] [blame] | 2702 | error3: |
| 2703 | kfree(esd_config->status_value); |
| 2704 | error2: |
| 2705 | kfree(esd_config->status_valid_params); |
| 2706 | kfree(esd_config->status_cmds_rlen); |
| 2707 | error1: |
| 2708 | kfree(esd_config->status_cmd.cmds); |
| 2709 | error: |
| 2710 | panel->esd_config.esd_enabled = false; |
| 2711 | return rc; |
| 2712 | } |
| 2713 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 2714 | struct dsi_panel *dsi_panel_get(struct device *parent, |
Chandan Uddaraju | 7e9613a | 2017-06-01 13:10:55 -0700 | [diff] [blame] | 2715 | struct device_node *of_node, |
| 2716 | int topology_override) |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 2717 | { |
| 2718 | struct dsi_panel *panel; |
| 2719 | int rc = 0; |
| 2720 | |
| 2721 | panel = kzalloc(sizeof(*panel), GFP_KERNEL); |
| 2722 | if (!panel) |
| 2723 | return ERR_PTR(-ENOMEM); |
| 2724 | |
| 2725 | panel->name = of_get_property(of_node, "qcom,mdss-dsi-panel-name", |
| 2726 | NULL); |
| 2727 | if (!panel->name) |
| 2728 | panel->name = DSI_PANEL_DEFAULT_LABEL; |
| 2729 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 2730 | rc = dsi_panel_parse_host_config(panel, of_node); |
| 2731 | if (rc) { |
| 2732 | pr_err("failed to parse host configuration, rc=%d\n", rc); |
| 2733 | goto error; |
| 2734 | } |
| 2735 | |
| 2736 | rc = dsi_panel_parse_panel_mode(panel, of_node); |
| 2737 | if (rc) { |
| 2738 | pr_err("failed to parse panel mode configuration, rc=%d\n", rc); |
| 2739 | goto error; |
| 2740 | } |
| 2741 | |
| 2742 | rc = dsi_panel_parse_dfps_caps(&panel->dfps_caps, of_node, panel->name); |
| 2743 | if (rc) |
| 2744 | pr_err("failed to parse dfps configuration, rc=%d\n", rc); |
| 2745 | |
| 2746 | rc = dsi_panel_parse_phy_props(&panel->phy_props, of_node, panel->name); |
| 2747 | if (rc) { |
| 2748 | pr_err("failed to parse panel physical dimension, rc=%d\n", rc); |
| 2749 | goto error; |
| 2750 | } |
| 2751 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 2752 | rc = dsi_panel_parse_power_cfg(parent, panel, of_node); |
| 2753 | if (rc) |
| 2754 | pr_err("failed to parse power config, rc=%d\n", rc); |
| 2755 | |
| 2756 | rc = dsi_panel_parse_gpios(panel, of_node); |
| 2757 | if (rc) |
| 2758 | pr_err("failed to parse panel gpios, rc=%d\n", rc); |
| 2759 | |
| 2760 | rc = dsi_panel_parse_bl_config(panel, of_node); |
| 2761 | if (rc) |
| 2762 | pr_err("failed to parse backlight config, rc=%d\n", rc); |
| 2763 | |
Dhaval Patel | 60e1ff5 | 2017-02-18 21:03:40 -0800 | [diff] [blame] | 2764 | |
Narendra Muppalla | d4081e1 | 2017-04-20 19:24:08 -0700 | [diff] [blame] | 2765 | rc = dsi_panel_parse_misc_features(panel, of_node); |
Veera Sundaram Sankaran | c4a9003 | 2017-04-21 13:54:14 -0700 | [diff] [blame] | 2766 | if (rc) |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2767 | pr_err("failed to parse misc features, rc=%d\n", rc); |
Veera Sundaram Sankaran | c4a9003 | 2017-04-21 13:54:14 -0700 | [diff] [blame] | 2768 | |
Ping Li | 898b1bf | 2017-02-09 18:03:28 -0800 | [diff] [blame] | 2769 | rc = dsi_panel_parse_hdr_config(panel, of_node); |
| 2770 | if (rc) |
| 2771 | pr_err("failed to parse hdr config, rc=%d\n", rc); |
| 2772 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2773 | rc = dsi_panel_get_mode_count(panel, of_node); |
| 2774 | if (rc) { |
| 2775 | pr_err("failed to get mode count, rc=%d\n", rc); |
| 2776 | goto error; |
| 2777 | } |
| 2778 | |
Jeykumar Sankaran | a7c7bbe | 2017-05-31 18:12:05 -0700 | [diff] [blame] | 2779 | rc = dsi_panel_parse_dms_info(panel, of_node); |
| 2780 | if (rc) |
| 2781 | pr_debug("failed to get dms info, rc=%d\n", rc); |
| 2782 | |
Sandeep Panda | 14666d1 | 2017-05-08 17:11:03 +0530 | [diff] [blame] | 2783 | rc = dsi_panel_parse_esd_config(panel, of_node); |
Sandeep Panda | 5a91e48 | 2017-10-10 10:04:00 +0530 | [diff] [blame] | 2784 | if (rc) |
Sandeep Panda | 14666d1 | 2017-05-08 17:11:03 +0530 | [diff] [blame] | 2785 | pr_debug("failed to parse esd config, rc=%d\n", rc); |
Sandeep Panda | 14666d1 | 2017-05-08 17:11:03 +0530 | [diff] [blame] | 2786 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 2787 | panel->panel_of_node = of_node; |
| 2788 | drm_panel_init(&panel->drm_panel); |
| 2789 | mutex_init(&panel->panel_lock); |
| 2790 | panel->parent = parent; |
| 2791 | return panel; |
| 2792 | error: |
| 2793 | kfree(panel); |
| 2794 | return ERR_PTR(rc); |
| 2795 | } |
| 2796 | |
| 2797 | void dsi_panel_put(struct dsi_panel *panel) |
| 2798 | { |
Sandeep Panda | 14666d1 | 2017-05-08 17:11:03 +0530 | [diff] [blame] | 2799 | /* free resources allocated for ESD check */ |
| 2800 | dsi_panel_esd_config_deinit(&panel->esd_config); |
| 2801 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 2802 | kfree(panel); |
| 2803 | } |
| 2804 | |
| 2805 | int dsi_panel_drv_init(struct dsi_panel *panel, |
| 2806 | struct mipi_dsi_host *host) |
| 2807 | { |
| 2808 | int rc = 0; |
| 2809 | struct mipi_dsi_device *dev; |
| 2810 | |
| 2811 | if (!panel || !host) { |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2812 | pr_err("invalid params\n"); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 2813 | return -EINVAL; |
| 2814 | } |
| 2815 | |
| 2816 | mutex_lock(&panel->panel_lock); |
| 2817 | |
| 2818 | dev = &panel->mipi_device; |
| 2819 | |
| 2820 | dev->host = host; |
| 2821 | /* |
| 2822 | * We dont have device structure since panel is not a device node. |
| 2823 | * When using drm panel framework, the device is probed when the host is |
| 2824 | * create. |
| 2825 | */ |
| 2826 | dev->channel = 0; |
| 2827 | dev->lanes = 4; |
| 2828 | |
| 2829 | panel->host = host; |
| 2830 | rc = dsi_panel_vreg_get(panel); |
| 2831 | if (rc) { |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2832 | pr_err("[%s] failed to get panel regulators, rc=%d\n", |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 2833 | panel->name, rc); |
Ajay Singh Parmar | d687e09 | 2016-06-27 11:46:54 -0700 | [diff] [blame] | 2834 | goto exit; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 2835 | } |
| 2836 | |
| 2837 | rc = dsi_panel_pinctrl_init(panel); |
| 2838 | if (rc) { |
| 2839 | pr_err("[%s] failed to init pinctrl, rc=%d\n", panel->name, rc); |
| 2840 | goto error_vreg_put; |
| 2841 | } |
| 2842 | |
| 2843 | rc = dsi_panel_gpio_request(panel); |
| 2844 | if (rc) { |
| 2845 | pr_err("[%s] failed to request gpios, rc=%d\n", panel->name, |
| 2846 | rc); |
| 2847 | goto error_pinctrl_deinit; |
| 2848 | } |
| 2849 | |
| 2850 | rc = dsi_panel_bl_register(panel); |
| 2851 | if (rc) { |
Ajay Singh Parmar | d687e09 | 2016-06-27 11:46:54 -0700 | [diff] [blame] | 2852 | if (rc != -EPROBE_DEFER) |
| 2853 | pr_err("[%s] failed to register backlight, rc=%d\n", |
| 2854 | panel->name, rc); |
| 2855 | goto error_gpio_release; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 2856 | } |
Ajay Singh Parmar | d687e09 | 2016-06-27 11:46:54 -0700 | [diff] [blame] | 2857 | |
| 2858 | goto exit; |
| 2859 | |
| 2860 | error_gpio_release: |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 2861 | (void)dsi_panel_gpio_release(panel); |
| 2862 | error_pinctrl_deinit: |
| 2863 | (void)dsi_panel_pinctrl_deinit(panel); |
| 2864 | error_vreg_put: |
| 2865 | (void)dsi_panel_vreg_put(panel); |
Ajay Singh Parmar | d687e09 | 2016-06-27 11:46:54 -0700 | [diff] [blame] | 2866 | exit: |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 2867 | mutex_unlock(&panel->panel_lock); |
| 2868 | return rc; |
| 2869 | } |
| 2870 | |
| 2871 | int dsi_panel_drv_deinit(struct dsi_panel *panel) |
| 2872 | { |
| 2873 | int rc = 0; |
| 2874 | |
| 2875 | if (!panel) { |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2876 | pr_err("invalid params\n"); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 2877 | return -EINVAL; |
| 2878 | } |
| 2879 | |
| 2880 | mutex_lock(&panel->panel_lock); |
| 2881 | |
| 2882 | rc = dsi_panel_bl_unregister(panel); |
| 2883 | if (rc) |
| 2884 | pr_err("[%s] failed to unregister backlight, rc=%d\n", |
| 2885 | panel->name, rc); |
| 2886 | |
| 2887 | rc = dsi_panel_gpio_release(panel); |
| 2888 | if (rc) |
| 2889 | pr_err("[%s] failed to release gpios, rc=%d\n", panel->name, |
| 2890 | rc); |
| 2891 | |
| 2892 | rc = dsi_panel_pinctrl_deinit(panel); |
| 2893 | if (rc) |
| 2894 | pr_err("[%s] failed to deinit gpios, rc=%d\n", panel->name, |
| 2895 | rc); |
| 2896 | |
| 2897 | rc = dsi_panel_vreg_put(panel); |
| 2898 | if (rc) |
| 2899 | pr_err("[%s] failed to put regs, rc=%d\n", panel->name, rc); |
| 2900 | |
| 2901 | panel->host = NULL; |
| 2902 | memset(&panel->mipi_device, 0x0, sizeof(panel->mipi_device)); |
| 2903 | |
| 2904 | mutex_unlock(&panel->panel_lock); |
| 2905 | return rc; |
| 2906 | } |
| 2907 | |
| 2908 | int dsi_panel_validate_mode(struct dsi_panel *panel, |
| 2909 | struct dsi_display_mode *mode) |
| 2910 | { |
| 2911 | return 0; |
| 2912 | } |
| 2913 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2914 | int dsi_panel_get_mode_count(struct dsi_panel *panel, |
| 2915 | struct device_node *of_node) |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 2916 | { |
Jeykumar Sankaran | a7c7bbe | 2017-05-31 18:12:05 -0700 | [diff] [blame] | 2917 | const u32 SINGLE_MODE_SUPPORT = 1; |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2918 | struct device_node *timings_np; |
| 2919 | int count, rc = 0; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 2920 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2921 | if (!of_node || !panel) { |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2922 | pr_err("invalid params\n"); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 2923 | return -EINVAL; |
| 2924 | } |
| 2925 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2926 | panel->num_timing_nodes = 0; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 2927 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2928 | timings_np = of_get_child_by_name(of_node, |
| 2929 | "qcom,mdss-dsi-display-timings"); |
| 2930 | if (!timings_np) { |
| 2931 | pr_err("no display timing nodes defined\n"); |
| 2932 | rc = -EINVAL; |
| 2933 | goto error; |
| 2934 | } |
| 2935 | |
| 2936 | count = of_get_child_count(timings_np); |
| 2937 | if (!count || count > DSI_MODE_MAX) { |
| 2938 | pr_err("invalid count of timing nodes: %d\n", count); |
| 2939 | rc = -EINVAL; |
| 2940 | goto error; |
| 2941 | } |
Jeykumar Sankaran | a7c7bbe | 2017-05-31 18:12:05 -0700 | [diff] [blame] | 2942 | |
| 2943 | /* No multiresolution support is available for video mode panels */ |
| 2944 | if (panel->panel_mode != DSI_OP_CMD_MODE) |
| 2945 | count = SINGLE_MODE_SUPPORT; |
| 2946 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2947 | panel->num_timing_nodes = count; |
| 2948 | |
| 2949 | error: |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 2950 | return rc; |
| 2951 | } |
| 2952 | |
| 2953 | int dsi_panel_get_phy_props(struct dsi_panel *panel, |
| 2954 | struct dsi_panel_phy_props *phy_props) |
| 2955 | { |
| 2956 | int rc = 0; |
| 2957 | |
| 2958 | if (!panel || !phy_props) { |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2959 | pr_err("invalid params\n"); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 2960 | return -EINVAL; |
| 2961 | } |
| 2962 | |
| 2963 | mutex_lock(&panel->panel_lock); |
| 2964 | |
| 2965 | memcpy(phy_props, &panel->phy_props, sizeof(*phy_props)); |
| 2966 | |
| 2967 | mutex_unlock(&panel->panel_lock); |
| 2968 | return rc; |
Ajay Singh Parmar | 62f795b | 2016-06-10 23:20:23 -0700 | [diff] [blame] | 2969 | } |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 2970 | |
Ajay Singh Parmar | 62f795b | 2016-06-10 23:20:23 -0700 | [diff] [blame] | 2971 | int dsi_panel_get_dfps_caps(struct dsi_panel *panel, |
| 2972 | struct dsi_dfps_capabilities *dfps_caps) |
| 2973 | { |
| 2974 | int rc = 0; |
| 2975 | |
| 2976 | if (!panel || !dfps_caps) { |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 2977 | pr_err("invalid params\n"); |
Ajay Singh Parmar | 62f795b | 2016-06-10 23:20:23 -0700 | [diff] [blame] | 2978 | return -EINVAL; |
| 2979 | } |
| 2980 | |
| 2981 | mutex_lock(&panel->panel_lock); |
| 2982 | |
| 2983 | memcpy(dfps_caps, &panel->dfps_caps, sizeof(*dfps_caps)); |
| 2984 | |
| 2985 | mutex_unlock(&panel->panel_lock); |
| 2986 | return rc; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 2987 | } |
| 2988 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2989 | void dsi_panel_put_mode(struct dsi_display_mode *mode) |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 2990 | { |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 2991 | int i; |
| 2992 | |
| 2993 | if (!mode->priv_info) |
| 2994 | return; |
| 2995 | |
| 2996 | for (i = 0; i < DSI_CMD_SET_MAX; i++) |
| 2997 | dsi_panel_destroy_cmd_packets(&mode->priv_info->cmd_sets[i]); |
| 2998 | |
| 2999 | kfree(mode->priv_info); |
| 3000 | } |
| 3001 | |
| 3002 | int dsi_panel_get_mode(struct dsi_panel *panel, |
| 3003 | u32 index, struct dsi_display_mode *mode, |
| 3004 | int topology_override) |
| 3005 | { |
| 3006 | struct device_node *timings_np, *child_np; |
| 3007 | struct dsi_display_mode_priv_info *prv_info; |
| 3008 | u32 child_idx = 0; |
| 3009 | int rc = 0, num_timings; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 3010 | |
| 3011 | if (!panel || !mode) { |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 3012 | pr_err("invalid params\n"); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 3013 | return -EINVAL; |
| 3014 | } |
| 3015 | |
| 3016 | mutex_lock(&panel->panel_lock); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 3017 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 3018 | mode->priv_info = kzalloc(sizeof(*mode->priv_info), GFP_KERNEL); |
| 3019 | if (!mode->priv_info) { |
| 3020 | rc = -ENOMEM; |
| 3021 | goto done; |
| 3022 | } |
| 3023 | |
| 3024 | prv_info = mode->priv_info; |
| 3025 | |
| 3026 | timings_np = of_get_child_by_name(panel->panel_of_node, |
| 3027 | "qcom,mdss-dsi-display-timings"); |
| 3028 | if (!timings_np) { |
| 3029 | pr_err("no display timing nodes defined\n"); |
| 3030 | rc = -EINVAL; |
| 3031 | goto parse_fail; |
| 3032 | } |
| 3033 | |
| 3034 | num_timings = of_get_child_count(timings_np); |
| 3035 | if (!num_timings || num_timings > DSI_MODE_MAX) { |
| 3036 | pr_err("invalid count of timing nodes: %d\n", num_timings); |
| 3037 | rc = -EINVAL; |
| 3038 | goto parse_fail; |
| 3039 | } |
| 3040 | |
| 3041 | for_each_child_of_node(timings_np, child_np) { |
| 3042 | if (index != child_idx++) |
| 3043 | continue; |
| 3044 | |
| 3045 | rc = dsi_panel_parse_timing(&mode->timing, child_np); |
| 3046 | if (rc) { |
| 3047 | pr_err("failed to parse panel timing, rc=%d\n", rc); |
| 3048 | goto parse_fail; |
| 3049 | } |
| 3050 | |
| 3051 | rc = dsi_panel_parse_dsc_params(mode, child_np); |
| 3052 | if (rc) { |
| 3053 | pr_err("failed to parse dsc params, rc=%d\n", rc); |
| 3054 | goto parse_fail; |
| 3055 | } |
| 3056 | |
| 3057 | rc = dsi_panel_parse_topology(prv_info, child_np, |
| 3058 | topology_override); |
| 3059 | if (rc) { |
| 3060 | pr_err("failed to parse panel topology, rc=%d\n", rc); |
| 3061 | goto parse_fail; |
| 3062 | } |
| 3063 | |
| 3064 | rc = dsi_panel_parse_cmd_sets(prv_info, child_np); |
| 3065 | if (rc) { |
| 3066 | pr_err("failed to parse command sets, rc=%d\n", rc); |
| 3067 | goto parse_fail; |
| 3068 | } |
| 3069 | |
| 3070 | rc = dsi_panel_parse_jitter_config(mode, child_np); |
| 3071 | if (rc) |
| 3072 | pr_err( |
| 3073 | "failed to parse panel jitter config, rc=%d\n", rc); |
| 3074 | |
| 3075 | rc = dsi_panel_parse_phy_timing(mode, child_np); |
| 3076 | if (rc) { |
| 3077 | pr_err( |
| 3078 | "failed to parse panel phy timings, rc=%d\n", rc); |
| 3079 | goto parse_fail; |
| 3080 | } |
Jeykumar Sankaran | 736d79d | 2017-10-05 17:44:24 -0700 | [diff] [blame] | 3081 | |
| 3082 | rc = dsi_panel_parse_partial_update_caps(mode, child_np); |
| 3083 | if (rc) |
| 3084 | pr_err("failed to partial update caps, rc=%d\n", rc); |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 3085 | } |
| 3086 | goto done; |
| 3087 | |
| 3088 | parse_fail: |
| 3089 | kfree(mode->priv_info); |
| 3090 | mode->priv_info = NULL; |
| 3091 | done: |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 3092 | mutex_unlock(&panel->panel_lock); |
| 3093 | return rc; |
| 3094 | } |
| 3095 | |
| 3096 | int dsi_panel_get_host_cfg_for_mode(struct dsi_panel *panel, |
| 3097 | struct dsi_display_mode *mode, |
| 3098 | struct dsi_host_config *config) |
| 3099 | { |
| 3100 | int rc = 0; |
| 3101 | |
| 3102 | if (!panel || !mode || !config) { |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 3103 | pr_err("invalid params\n"); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 3104 | return -EINVAL; |
| 3105 | } |
| 3106 | |
| 3107 | mutex_lock(&panel->panel_lock); |
| 3108 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 3109 | config->panel_mode = panel->panel_mode; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 3110 | memcpy(&config->common_config, &panel->host_config, |
| 3111 | sizeof(config->common_config)); |
| 3112 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 3113 | if (panel->panel_mode == DSI_OP_VIDEO_MODE) { |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 3114 | memcpy(&config->u.video_engine, &panel->video_config, |
| 3115 | sizeof(config->u.video_engine)); |
| 3116 | } else { |
| 3117 | memcpy(&config->u.cmd_engine, &panel->cmd_config, |
| 3118 | sizeof(config->u.cmd_engine)); |
| 3119 | } |
| 3120 | |
| 3121 | memcpy(&config->video_timing, &mode->timing, |
| 3122 | sizeof(config->video_timing)); |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 3123 | config->video_timing.dsc_enabled = mode->priv_info->dsc_enabled; |
| 3124 | config->video_timing.dsc = &mode->priv_info->dsc; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 3125 | |
Vara Reddy | 812bd72 | 2017-09-20 07:19:19 -0700 | [diff] [blame] | 3126 | config->bit_clk_rate_hz = mode->priv_info->clk_rate_hz; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 3127 | config->esc_clk_rate_hz = 19200000; |
| 3128 | mutex_unlock(&panel->panel_lock); |
| 3129 | return rc; |
| 3130 | } |
| 3131 | |
| 3132 | int dsi_panel_pre_prepare(struct dsi_panel *panel) |
| 3133 | { |
| 3134 | int rc = 0; |
| 3135 | |
| 3136 | if (!panel) { |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 3137 | pr_err("invalid params\n"); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 3138 | return -EINVAL; |
| 3139 | } |
| 3140 | |
| 3141 | mutex_lock(&panel->panel_lock); |
| 3142 | |
| 3143 | /* If LP11_INIT is set, panel will be powered up during prepare() */ |
| 3144 | if (panel->lp11_init) |
| 3145 | goto error; |
| 3146 | |
| 3147 | rc = dsi_panel_power_on(panel); |
| 3148 | if (rc) { |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 3149 | pr_err("[%s] panel power on failed, rc=%d\n", panel->name, rc); |
| 3150 | goto error; |
| 3151 | } |
| 3152 | |
| 3153 | error: |
| 3154 | mutex_unlock(&panel->panel_lock); |
| 3155 | return rc; |
| 3156 | } |
| 3157 | |
| 3158 | int dsi_panel_update_pps(struct dsi_panel *panel) |
| 3159 | { |
| 3160 | int rc = 0; |
| 3161 | struct dsi_panel_cmd_set *set = NULL; |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 3162 | struct dsi_display_mode_priv_info *priv_info = NULL; |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 3163 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 3164 | if (!panel || !panel->cur_mode) { |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 3165 | pr_err("invalid params\n"); |
| 3166 | return -EINVAL; |
| 3167 | } |
| 3168 | |
| 3169 | mutex_lock(&panel->panel_lock); |
| 3170 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 3171 | priv_info = panel->cur_mode->priv_info; |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 3172 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 3173 | set = &priv_info->cmd_sets[DSI_CMD_SET_PPS]; |
| 3174 | |
| 3175 | dsi_dsc_create_pps_buf_cmd(&priv_info->dsc, panel->dsc_pps_cmd, 0); |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 3176 | rc = dsi_panel_create_cmd_packets(panel->dsc_pps_cmd, |
| 3177 | DSI_CMD_PPS_SIZE, 1, set->cmds); |
| 3178 | if (rc) { |
| 3179 | pr_err("failed to create cmd packets, rc=%d\n", rc); |
| 3180 | goto error; |
| 3181 | } |
| 3182 | |
| 3183 | rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_PPS); |
| 3184 | if (rc) { |
| 3185 | pr_err("[%s] failed to send DSI_CMD_SET_PPS cmds, rc=%d\n", |
| 3186 | panel->name, rc); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 3187 | goto error; |
| 3188 | } |
| 3189 | |
| 3190 | error: |
| 3191 | mutex_unlock(&panel->panel_lock); |
| 3192 | return rc; |
| 3193 | } |
| 3194 | |
Clarence Ip | 5f00c060 | 2017-08-02 14:26:31 -0400 | [diff] [blame] | 3195 | int dsi_panel_set_lp1(struct dsi_panel *panel) |
| 3196 | { |
| 3197 | int rc = 0; |
| 3198 | |
| 3199 | if (!panel) { |
| 3200 | pr_err("invalid params\n"); |
| 3201 | return -EINVAL; |
| 3202 | } |
| 3203 | |
| 3204 | mutex_lock(&panel->panel_lock); |
| 3205 | rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_LP1); |
| 3206 | if (rc) |
| 3207 | pr_err("[%s] failed to send DSI_CMD_SET_LP1 cmd, rc=%d\n", |
| 3208 | panel->name, rc); |
| 3209 | mutex_unlock(&panel->panel_lock); |
| 3210 | return rc; |
| 3211 | } |
| 3212 | |
| 3213 | int dsi_panel_set_lp2(struct dsi_panel *panel) |
| 3214 | { |
| 3215 | int rc = 0; |
| 3216 | |
| 3217 | if (!panel) { |
| 3218 | pr_err("invalid params\n"); |
| 3219 | return -EINVAL; |
| 3220 | } |
| 3221 | |
| 3222 | mutex_lock(&panel->panel_lock); |
| 3223 | rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_LP2); |
| 3224 | if (rc) |
| 3225 | pr_err("[%s] failed to send DSI_CMD_SET_LP2 cmd, rc=%d\n", |
| 3226 | panel->name, rc); |
| 3227 | mutex_unlock(&panel->panel_lock); |
| 3228 | return rc; |
| 3229 | } |
| 3230 | |
| 3231 | int dsi_panel_set_nolp(struct dsi_panel *panel) |
| 3232 | { |
| 3233 | int rc = 0; |
| 3234 | |
| 3235 | if (!panel) { |
| 3236 | pr_err("invalid params\n"); |
| 3237 | return -EINVAL; |
| 3238 | } |
| 3239 | |
| 3240 | mutex_lock(&panel->panel_lock); |
| 3241 | rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_NOLP); |
| 3242 | if (rc) |
| 3243 | pr_err("[%s] failed to send DSI_CMD_SET_NOLP cmd, rc=%d\n", |
| 3244 | panel->name, rc); |
| 3245 | mutex_unlock(&panel->panel_lock); |
| 3246 | return rc; |
| 3247 | } |
| 3248 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 3249 | int dsi_panel_prepare(struct dsi_panel *panel) |
| 3250 | { |
| 3251 | int rc = 0; |
| 3252 | |
| 3253 | if (!panel) { |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 3254 | pr_err("invalid params\n"); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 3255 | return -EINVAL; |
| 3256 | } |
| 3257 | |
| 3258 | mutex_lock(&panel->panel_lock); |
| 3259 | |
| 3260 | if (panel->lp11_init) { |
| 3261 | rc = dsi_panel_power_on(panel); |
| 3262 | if (rc) { |
| 3263 | pr_err("[%s] panel power on failed, rc=%d\n", |
| 3264 | panel->name, rc); |
| 3265 | goto error; |
| 3266 | } |
| 3267 | } |
| 3268 | |
| 3269 | rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_PRE_ON); |
| 3270 | if (rc) { |
| 3271 | pr_err("[%s] failed to send DSI_CMD_SET_PRE_ON cmds, rc=%d\n", |
| 3272 | panel->name, rc); |
| 3273 | goto error; |
| 3274 | } |
| 3275 | |
| 3276 | error: |
| 3277 | mutex_unlock(&panel->panel_lock); |
| 3278 | return rc; |
| 3279 | } |
| 3280 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 3281 | static int dsi_panel_roi_prepare_dcs_cmds(struct dsi_panel_cmd_set *set, |
Lloyd Atkinson | e53b737 | 2017-03-22 17:16:47 -0400 | [diff] [blame] | 3282 | struct dsi_rect *roi, int ctrl_idx, int unicast) |
| 3283 | { |
| 3284 | static const int ROI_CMD_LEN = 5; |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 3285 | |
Lloyd Atkinson | e53b737 | 2017-03-22 17:16:47 -0400 | [diff] [blame] | 3286 | int rc = 0; |
| 3287 | |
| 3288 | /* DTYPE_DCS_LWRITE */ |
| 3289 | static char *caset, *paset; |
| 3290 | |
| 3291 | set->cmds = NULL; |
| 3292 | |
| 3293 | caset = kzalloc(ROI_CMD_LEN, GFP_KERNEL); |
| 3294 | if (!caset) { |
| 3295 | rc = -ENOMEM; |
| 3296 | goto exit; |
| 3297 | } |
| 3298 | caset[0] = 0x2a; |
| 3299 | caset[1] = (roi->x & 0xFF00) >> 8; |
| 3300 | caset[2] = roi->x & 0xFF; |
| 3301 | caset[3] = ((roi->x - 1 + roi->w) & 0xFF00) >> 8; |
| 3302 | caset[4] = (roi->x - 1 + roi->w) & 0xFF; |
| 3303 | |
| 3304 | paset = kzalloc(ROI_CMD_LEN, GFP_KERNEL); |
| 3305 | if (!paset) { |
| 3306 | rc = -ENOMEM; |
| 3307 | goto error_free_mem; |
| 3308 | } |
| 3309 | paset[0] = 0x2b; |
| 3310 | paset[1] = (roi->y & 0xFF00) >> 8; |
| 3311 | paset[2] = roi->y & 0xFF; |
| 3312 | paset[3] = ((roi->y - 1 + roi->h) & 0xFF00) >> 8; |
| 3313 | paset[4] = (roi->y - 1 + roi->h) & 0xFF; |
| 3314 | |
| 3315 | set->type = DSI_CMD_SET_ROI; |
| 3316 | set->state = DSI_CMD_SET_STATE_LP; |
| 3317 | set->count = 2; /* send caset + paset together */ |
| 3318 | set->cmds = kcalloc(set->count, sizeof(*set->cmds), GFP_KERNEL); |
| 3319 | if (!set->cmds) { |
| 3320 | rc = -ENOMEM; |
| 3321 | goto error_free_mem; |
| 3322 | } |
| 3323 | set->cmds[0].msg.channel = 0; |
| 3324 | set->cmds[0].msg.type = MIPI_DSI_DCS_LONG_WRITE; |
| 3325 | set->cmds[0].msg.flags = unicast ? MIPI_DSI_MSG_UNICAST : 0; |
| 3326 | set->cmds[0].msg.ctrl = unicast ? ctrl_idx : 0; |
| 3327 | set->cmds[0].msg.tx_len = ROI_CMD_LEN; |
| 3328 | set->cmds[0].msg.tx_buf = caset; |
| 3329 | set->cmds[0].msg.rx_len = 0; |
| 3330 | set->cmds[0].msg.rx_buf = 0; |
| 3331 | set->cmds[0].last_command = 0; |
| 3332 | set->cmds[0].post_wait_ms = 1; |
| 3333 | |
| 3334 | set->cmds[1].msg.channel = 0; |
| 3335 | set->cmds[1].msg.type = MIPI_DSI_DCS_LONG_WRITE; |
| 3336 | set->cmds[1].msg.flags = unicast ? MIPI_DSI_MSG_UNICAST : 0; |
| 3337 | set->cmds[1].msg.ctrl = unicast ? ctrl_idx : 0; |
| 3338 | set->cmds[1].msg.tx_len = ROI_CMD_LEN; |
| 3339 | set->cmds[1].msg.tx_buf = paset; |
| 3340 | set->cmds[1].msg.rx_len = 0; |
| 3341 | set->cmds[1].msg.rx_buf = 0; |
| 3342 | set->cmds[1].last_command = 1; |
| 3343 | set->cmds[1].post_wait_ms = 1; |
| 3344 | |
| 3345 | goto exit; |
| 3346 | |
| 3347 | error_free_mem: |
| 3348 | kfree(caset); |
| 3349 | kfree(paset); |
| 3350 | kfree(set->cmds); |
| 3351 | |
| 3352 | exit: |
| 3353 | return rc; |
| 3354 | } |
| 3355 | |
| 3356 | int dsi_panel_send_roi_dcs(struct dsi_panel *panel, int ctrl_idx, |
| 3357 | struct dsi_rect *roi) |
| 3358 | { |
| 3359 | int rc = 0; |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 3360 | struct dsi_panel_cmd_set *set; |
| 3361 | struct dsi_display_mode_priv_info *priv_info; |
Lloyd Atkinson | e53b737 | 2017-03-22 17:16:47 -0400 | [diff] [blame] | 3362 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 3363 | if (!panel || !panel->cur_mode) { |
Lloyd Atkinson | e53b737 | 2017-03-22 17:16:47 -0400 | [diff] [blame] | 3364 | pr_err("Invalid params\n"); |
| 3365 | return -EINVAL; |
| 3366 | } |
| 3367 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 3368 | priv_info = panel->cur_mode->priv_info; |
| 3369 | set = &priv_info->cmd_sets[DSI_CMD_SET_ROI]; |
| 3370 | |
| 3371 | rc = dsi_panel_roi_prepare_dcs_cmds(set, roi, ctrl_idx, true); |
Lloyd Atkinson | e53b737 | 2017-03-22 17:16:47 -0400 | [diff] [blame] | 3372 | if (rc) { |
| 3373 | pr_err("[%s] failed to prepare DSI_CMD_SET_ROI cmds, rc=%d\n", |
| 3374 | panel->name, rc); |
| 3375 | return rc; |
| 3376 | } |
| 3377 | pr_debug("[%s] send roi x %d y %d w %d h %d\n", panel->name, |
| 3378 | roi->x, roi->y, roi->w, roi->h); |
| 3379 | |
| 3380 | mutex_lock(&panel->panel_lock); |
| 3381 | |
| 3382 | rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_ROI); |
| 3383 | if (rc) |
| 3384 | pr_err("[%s] failed to send DSI_CMD_SET_ROI cmds, rc=%d\n", |
| 3385 | panel->name, rc); |
| 3386 | |
| 3387 | mutex_unlock(&panel->panel_lock); |
| 3388 | |
Jeykumar Sankaran | 446a5f1 | 2017-05-09 20:30:39 -0700 | [diff] [blame] | 3389 | dsi_panel_destroy_cmd_packets(set); |
Lloyd Atkinson | e53b737 | 2017-03-22 17:16:47 -0400 | [diff] [blame] | 3390 | |
| 3391 | return rc; |
| 3392 | } |
| 3393 | |
Jeykumar Sankaran | a7c7bbe | 2017-05-31 18:12:05 -0700 | [diff] [blame] | 3394 | int dsi_panel_switch(struct dsi_panel *panel) |
| 3395 | { |
| 3396 | int rc = 0; |
| 3397 | |
| 3398 | if (!panel) { |
| 3399 | pr_err("Invalid params\n"); |
| 3400 | return -EINVAL; |
| 3401 | } |
| 3402 | |
| 3403 | mutex_lock(&panel->panel_lock); |
| 3404 | |
| 3405 | rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_TIMING_SWITCH); |
| 3406 | if (rc) |
| 3407 | pr_err("[%s] failed to send DSI_CMD_SET_TIMING_SWITCH cmds, rc=%d\n", |
| 3408 | panel->name, rc); |
| 3409 | |
| 3410 | mutex_unlock(&panel->panel_lock); |
| 3411 | return rc; |
| 3412 | } |
| 3413 | |
| 3414 | int dsi_panel_post_switch(struct dsi_panel *panel) |
| 3415 | { |
| 3416 | int rc = 0; |
| 3417 | |
| 3418 | if (!panel) { |
| 3419 | pr_err("Invalid params\n"); |
| 3420 | return -EINVAL; |
| 3421 | } |
| 3422 | |
| 3423 | mutex_lock(&panel->panel_lock); |
| 3424 | |
| 3425 | rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_POST_TIMING_SWITCH); |
| 3426 | if (rc) |
| 3427 | pr_err("[%s] failed to send DSI_CMD_SET_POST_TIMING_SWITCH cmds, rc=%d\n", |
| 3428 | panel->name, rc); |
| 3429 | |
| 3430 | mutex_unlock(&panel->panel_lock); |
| 3431 | return rc; |
| 3432 | } |
| 3433 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 3434 | int dsi_panel_enable(struct dsi_panel *panel) |
| 3435 | { |
| 3436 | int rc = 0; |
| 3437 | |
| 3438 | if (!panel) { |
| 3439 | pr_err("Invalid params\n"); |
| 3440 | return -EINVAL; |
| 3441 | } |
| 3442 | |
| 3443 | mutex_lock(&panel->panel_lock); |
| 3444 | |
| 3445 | rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_ON); |
| 3446 | if (rc) { |
| 3447 | pr_err("[%s] failed to send DSI_CMD_SET_ON cmds, rc=%d\n", |
| 3448 | panel->name, rc); |
| 3449 | } |
Padmanabhan Komanduru | dbd2fb0 | 2016-12-02 15:18:49 +0530 | [diff] [blame] | 3450 | panel->panel_initialized = true; |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 3451 | mutex_unlock(&panel->panel_lock); |
| 3452 | return rc; |
| 3453 | } |
| 3454 | |
| 3455 | int dsi_panel_post_enable(struct dsi_panel *panel) |
| 3456 | { |
| 3457 | int rc = 0; |
| 3458 | |
| 3459 | if (!panel) { |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 3460 | pr_err("invalid params\n"); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 3461 | return -EINVAL; |
| 3462 | } |
| 3463 | |
| 3464 | mutex_lock(&panel->panel_lock); |
| 3465 | |
| 3466 | rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_POST_ON); |
| 3467 | if (rc) { |
| 3468 | pr_err("[%s] failed to send DSI_CMD_SET_POST_ON cmds, rc=%d\n", |
| 3469 | panel->name, rc); |
| 3470 | goto error; |
| 3471 | } |
| 3472 | error: |
| 3473 | mutex_unlock(&panel->panel_lock); |
| 3474 | return rc; |
| 3475 | } |
| 3476 | |
| 3477 | int dsi_panel_pre_disable(struct dsi_panel *panel) |
| 3478 | { |
| 3479 | int rc = 0; |
| 3480 | |
| 3481 | if (!panel) { |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 3482 | pr_err("invalid params\n"); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 3483 | return -EINVAL; |
| 3484 | } |
| 3485 | |
| 3486 | mutex_lock(&panel->panel_lock); |
| 3487 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 3488 | rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_PRE_OFF); |
| 3489 | if (rc) { |
| 3490 | pr_err("[%s] failed to send DSI_CMD_SET_PRE_OFF cmds, rc=%d\n", |
| 3491 | panel->name, rc); |
| 3492 | goto error; |
| 3493 | } |
| 3494 | |
| 3495 | error: |
| 3496 | mutex_unlock(&panel->panel_lock); |
| 3497 | return rc; |
| 3498 | } |
| 3499 | |
| 3500 | int dsi_panel_disable(struct dsi_panel *panel) |
| 3501 | { |
| 3502 | int rc = 0; |
| 3503 | |
| 3504 | if (!panel) { |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 3505 | pr_err("invalid params\n"); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 3506 | return -EINVAL; |
| 3507 | } |
| 3508 | |
| 3509 | mutex_lock(&panel->panel_lock); |
| 3510 | |
| 3511 | rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_OFF); |
| 3512 | if (rc) { |
| 3513 | pr_err("[%s] failed to send DSI_CMD_SET_OFF cmds, rc=%d\n", |
| 3514 | panel->name, rc); |
| 3515 | goto error; |
| 3516 | } |
Veera Sundaram Sankaran | bb3680f | 2017-04-21 13:20:46 -0700 | [diff] [blame] | 3517 | panel->panel_initialized = false; |
| 3518 | |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 3519 | error: |
| 3520 | mutex_unlock(&panel->panel_lock); |
| 3521 | return rc; |
| 3522 | } |
| 3523 | |
| 3524 | int dsi_panel_unprepare(struct dsi_panel *panel) |
| 3525 | { |
| 3526 | int rc = 0; |
| 3527 | |
| 3528 | if (!panel) { |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 3529 | pr_err("invalid params\n"); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 3530 | return -EINVAL; |
| 3531 | } |
| 3532 | |
| 3533 | mutex_lock(&panel->panel_lock); |
| 3534 | |
| 3535 | rc = dsi_panel_tx_cmd_set(panel, DSI_CMD_SET_POST_OFF); |
| 3536 | if (rc) { |
| 3537 | pr_err("[%s] failed to send DSI_CMD_SET_POST_OFF cmds, rc=%d\n", |
| 3538 | panel->name, rc); |
| 3539 | goto error; |
| 3540 | } |
| 3541 | |
| 3542 | if (panel->lp11_init) { |
| 3543 | rc = dsi_panel_power_off(panel); |
| 3544 | if (rc) { |
| 3545 | pr_err("[%s] panel power_Off failed, rc=%d\n", |
| 3546 | panel->name, rc); |
| 3547 | goto error; |
| 3548 | } |
| 3549 | } |
| 3550 | error: |
| 3551 | mutex_unlock(&panel->panel_lock); |
| 3552 | return rc; |
| 3553 | } |
| 3554 | |
| 3555 | int dsi_panel_post_unprepare(struct dsi_panel *panel) |
| 3556 | { |
| 3557 | int rc = 0; |
| 3558 | |
| 3559 | if (!panel) { |
Alexander Beykun | ac18235 | 2017-02-27 17:46:51 -0500 | [diff] [blame] | 3560 | pr_err("invalid params\n"); |
Ajay Singh Parmar | 4fa5317 | 2016-05-16 17:54:30 -0700 | [diff] [blame] | 3561 | return -EINVAL; |
| 3562 | } |
| 3563 | |
| 3564 | mutex_lock(&panel->panel_lock); |
| 3565 | |
| 3566 | if (!panel->lp11_init) { |
| 3567 | rc = dsi_panel_power_off(panel); |
| 3568 | if (rc) { |
| 3569 | pr_err("[%s] panel power_Off failed, rc=%d\n", |
| 3570 | panel->name, rc); |
| 3571 | goto error; |
| 3572 | } |
| 3573 | } |
| 3574 | error: |
| 3575 | mutex_unlock(&panel->panel_lock); |
| 3576 | return rc; |
| 3577 | } |