Donghwa Lee | 9befe40 | 2012-02-08 12:47:39 -0800 | [diff] [blame] | 1 | /* linux/drivers/video/exynos/s6e8ax0.c |
| 2 | * |
| 3 | * MIPI-DSI based s6e8ax0 AMOLED lcd 4.65 inch panel driver. |
| 4 | * |
| 5 | * Inki Dae, <inki.dae@samsung.com> |
| 6 | * Donghwa Lee, <dh09.lee@samsung.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/module.h> |
| 14 | #include <linux/kernel.h> |
| 15 | #include <linux/errno.h> |
| 16 | #include <linux/mutex.h> |
| 17 | #include <linux/wait.h> |
| 18 | #include <linux/ctype.h> |
| 19 | #include <linux/io.h> |
| 20 | #include <linux/delay.h> |
| 21 | #include <linux/irq.h> |
| 22 | #include <linux/interrupt.h> |
| 23 | #include <linux/lcd.h> |
| 24 | #include <linux/fb.h> |
| 25 | #include <linux/backlight.h> |
| 26 | #include <linux/regulator/consumer.h> |
| 27 | |
| 28 | #include <video/mipi_display.h> |
| 29 | #include <video/exynos_mipi_dsim.h> |
| 30 | |
| 31 | #define LDI_MTP_LENGTH 24 |
| 32 | #define DSIM_PM_STABLE_TIME 10 |
| 33 | #define MIN_BRIGHTNESS 0 |
| 34 | #define MAX_BRIGHTNESS 24 |
| 35 | #define GAMMA_TABLE_COUNT 26 |
| 36 | |
| 37 | #define POWER_IS_ON(pwr) ((pwr) == FB_BLANK_UNBLANK) |
| 38 | #define POWER_IS_OFF(pwr) ((pwr) == FB_BLANK_POWERDOWN) |
| 39 | #define POWER_IS_NRM(pwr) ((pwr) == FB_BLANK_NORMAL) |
| 40 | |
| 41 | #define lcd_to_master(a) (a->dsim_dev->master) |
| 42 | #define lcd_to_master_ops(a) ((lcd_to_master(a))->master_ops) |
| 43 | |
| 44 | enum { |
| 45 | DSIM_NONE_STATE = 0, |
| 46 | DSIM_RESUME_COMPLETE = 1, |
| 47 | DSIM_FRAME_DONE = 2, |
| 48 | }; |
| 49 | |
| 50 | struct s6e8ax0 { |
| 51 | struct device *dev; |
| 52 | unsigned int power; |
| 53 | unsigned int id; |
| 54 | unsigned int gamma; |
| 55 | unsigned int acl_enable; |
| 56 | unsigned int cur_acl; |
| 57 | |
| 58 | struct lcd_device *ld; |
| 59 | struct backlight_device *bd; |
| 60 | |
| 61 | struct mipi_dsim_lcd_device *dsim_dev; |
| 62 | struct lcd_platform_data *ddi_pd; |
| 63 | struct mutex lock; |
| 64 | bool enabled; |
| 65 | }; |
| 66 | |
| 67 | |
| 68 | static struct regulator_bulk_data supplies[] = { |
| 69 | { .supply = "vdd3", }, |
| 70 | { .supply = "vci", }, |
| 71 | }; |
| 72 | |
| 73 | static void s6e8ax0_regulator_enable(struct s6e8ax0 *lcd) |
| 74 | { |
| 75 | int ret = 0; |
| 76 | struct lcd_platform_data *pd = NULL; |
| 77 | |
| 78 | pd = lcd->ddi_pd; |
| 79 | mutex_lock(&lcd->lock); |
| 80 | if (!lcd->enabled) { |
| 81 | ret = regulator_bulk_enable(ARRAY_SIZE(supplies), supplies); |
| 82 | if (ret) |
| 83 | goto out; |
| 84 | |
| 85 | lcd->enabled = true; |
| 86 | } |
| 87 | msleep(pd->power_on_delay); |
| 88 | out: |
| 89 | mutex_unlock(&lcd->lock); |
| 90 | } |
| 91 | |
| 92 | static void s6e8ax0_regulator_disable(struct s6e8ax0 *lcd) |
| 93 | { |
| 94 | int ret = 0; |
| 95 | |
| 96 | mutex_lock(&lcd->lock); |
| 97 | if (lcd->enabled) { |
| 98 | ret = regulator_bulk_disable(ARRAY_SIZE(supplies), supplies); |
| 99 | if (ret) |
| 100 | goto out; |
| 101 | |
| 102 | lcd->enabled = false; |
| 103 | } |
| 104 | out: |
| 105 | mutex_unlock(&lcd->lock); |
| 106 | } |
| 107 | |
| 108 | static const unsigned char s6e8ax0_22_gamma_30[] = { |
| 109 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xf5, 0x00, 0xff, 0xad, 0xaf, |
| 110 | 0xbA, 0xc3, 0xd8, 0xc5, 0x9f, 0xc6, 0x9e, 0xc1, 0xdc, 0xc0, |
| 111 | 0x00, 0x61, 0x00, 0x5a, 0x00, 0x74, |
| 112 | }; |
| 113 | |
| 114 | static const unsigned char s6e8ax0_22_gamma_50[] = { |
| 115 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xe8, 0x1f, 0xf7, 0xad, 0xc0, |
| 116 | 0xb5, 0xc4, 0xdc, 0xc4, 0x9e, 0xc6, 0x9c, 0xbb, 0xd8, 0xbb, |
| 117 | 0x00, 0x70, 0x00, 0x68, 0x00, 0x86, |
| 118 | }; |
| 119 | |
| 120 | static const unsigned char s6e8ax0_22_gamma_60[] = { |
| 121 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xde, 0x1f, 0xef, 0xad, 0xc4, |
| 122 | 0xb3, 0xc3, 0xdd, 0xc4, 0x9e, 0xc6, 0x9c, 0xbc, 0xd6, 0xba, |
| 123 | 0x00, 0x75, 0x00, 0x6e, 0x00, 0x8d, |
| 124 | }; |
| 125 | |
| 126 | static const unsigned char s6e8ax0_22_gamma_70[] = { |
| 127 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xd8, 0x1f, 0xe7, 0xaf, 0xc8, |
| 128 | 0xb4, 0xc4, 0xdd, 0xc3, 0x9d, 0xc6, 0x9c, 0xbb, 0xd6, 0xb9, |
| 129 | 0x00, 0x7a, 0x00, 0x72, 0x00, 0x93, |
| 130 | }; |
| 131 | |
| 132 | static const unsigned char s6e8ax0_22_gamma_80[] = { |
| 133 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xc9, 0x1f, 0xde, 0xae, 0xc9, |
| 134 | 0xb1, 0xc3, 0xdd, 0xc2, 0x9d, 0xc5, 0x9b, 0xbc, 0xd6, 0xbb, |
| 135 | 0x00, 0x7f, 0x00, 0x77, 0x00, 0x99, |
| 136 | }; |
| 137 | |
| 138 | static const unsigned char s6e8ax0_22_gamma_90[] = { |
| 139 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xc7, 0x1f, 0xd9, 0xb0, 0xcc, |
| 140 | 0xb2, 0xc3, 0xdc, 0xc1, 0x9c, 0xc6, 0x9c, 0xbc, 0xd4, 0xb9, |
| 141 | 0x00, 0x83, 0x00, 0x7b, 0x00, 0x9e, |
| 142 | }; |
| 143 | |
| 144 | static const unsigned char s6e8ax0_22_gamma_100[] = { |
| 145 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xbd, 0x80, 0xcd, 0xba, 0xce, |
| 146 | 0xb3, 0xc4, 0xde, 0xc3, 0x9c, 0xc4, 0x9, 0xb8, 0xd3, 0xb6, |
| 147 | 0x00, 0x88, 0x00, 0x80, 0x00, 0xa5, |
| 148 | }; |
| 149 | |
| 150 | static const unsigned char s6e8ax0_22_gamma_120[] = { |
| 151 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb9, 0x95, 0xc8, 0xb1, 0xcf, |
| 152 | 0xb2, 0xc6, 0xdf, 0xc5, 0x9b, 0xc3, 0x99, 0xb6, 0xd2, 0xb6, |
| 153 | 0x00, 0x8f, 0x00, 0x86, 0x00, 0xac, |
| 154 | }; |
| 155 | |
| 156 | static const unsigned char s6e8ax0_22_gamma_130[] = { |
| 157 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb7, 0xa0, 0xc7, 0xb1, 0xd0, |
| 158 | 0xb2, 0xc4, 0xdd, 0xc3, 0x9a, 0xc3, 0x98, 0xb6, 0xd0, 0xb4, |
| 159 | 0x00, 0x92, 0x00, 0x8a, 0x00, 0xb1, |
| 160 | }; |
| 161 | |
| 162 | static const unsigned char s6e8ax0_22_gamma_140[] = { |
| 163 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb7, 0xa0, 0xc5, 0xb2, 0xd0, |
| 164 | 0xb3, 0xc3, 0xde, 0xc3, 0x9b, 0xc2, 0x98, 0xb6, 0xd0, 0xb4, |
| 165 | 0x00, 0x95, 0x00, 0x8d, 0x00, 0xb5, |
| 166 | }; |
| 167 | |
| 168 | static const unsigned char s6e8ax0_22_gamma_150[] = { |
| 169 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb3, 0xa0, 0xc2, 0xb2, 0xd0, |
| 170 | 0xb2, 0xc1, 0xdd, 0xc2, 0x9b, 0xc2, 0x98, 0xb4, 0xcf, 0xb1, |
| 171 | 0x00, 0x99, 0x00, 0x90, 0x00, 0xba, |
| 172 | }; |
| 173 | |
| 174 | static const unsigned char s6e8ax0_22_gamma_160[] = { |
| 175 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xaf, 0xa5, 0xbf, 0xb0, 0xd0, |
| 176 | 0xb1, 0xc3, 0xde, 0xc2, 0x99, 0xc1, 0x97, 0xb4, 0xce, 0xb1, |
| 177 | 0x00, 0x9c, 0x00, 0x93, 0x00, 0xbe, |
| 178 | }; |
| 179 | |
| 180 | static const unsigned char s6e8ax0_22_gamma_170[] = { |
| 181 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xaf, 0xb5, 0xbf, 0xb1, 0xd1, |
| 182 | 0xb1, 0xc3, 0xde, 0xc3, 0x99, 0xc0, 0x96, 0xb4, 0xce, 0xb1, |
| 183 | 0x00, 0x9f, 0x00, 0x96, 0x00, 0xc2, |
| 184 | }; |
| 185 | |
| 186 | static const unsigned char s6e8ax0_22_gamma_180[] = { |
| 187 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xaf, 0xb7, 0xbe, 0xb3, 0xd2, |
| 188 | 0xb3, 0xc3, 0xde, 0xc2, 0x97, 0xbf, 0x95, 0xb4, 0xcd, 0xb1, |
| 189 | 0x00, 0xa2, 0x00, 0x99, 0x00, 0xc5, |
| 190 | }; |
| 191 | |
| 192 | static const unsigned char s6e8ax0_22_gamma_190[] = { |
| 193 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xaf, 0xb9, 0xbe, 0xb2, 0xd2, |
| 194 | 0xb2, 0xc3, 0xdd, 0xc3, 0x98, 0xbf, 0x95, 0xb2, 0xcc, 0xaf, |
| 195 | 0x00, 0xa5, 0x00, 0x9c, 0x00, 0xc9, |
| 196 | }; |
| 197 | |
| 198 | static const unsigned char s6e8ax0_22_gamma_200[] = { |
| 199 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xaf, 0xb9, 0xbc, 0xb2, 0xd2, |
| 200 | 0xb1, 0xc4, 0xdd, 0xc3, 0x97, 0xbe, 0x95, 0xb1, 0xcb, 0xae, |
| 201 | 0x00, 0xa8, 0x00, 0x9f, 0x00, 0xcd, |
| 202 | }; |
| 203 | |
| 204 | static const unsigned char s6e8ax0_22_gamma_210[] = { |
| 205 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb1, 0xc1, 0xbd, 0xb1, 0xd1, |
| 206 | 0xb1, 0xc2, 0xde, 0xc2, 0x97, 0xbe, 0x94, 0xB0, 0xc9, 0xad, |
| 207 | 0x00, 0xae, 0x00, 0xa4, 0x00, 0xd4, |
| 208 | }; |
| 209 | |
| 210 | static const unsigned char s6e8ax0_22_gamma_220[] = { |
| 211 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb1, 0xc7, 0xbd, 0xb1, 0xd1, |
| 212 | 0xb1, 0xc2, 0xdd, 0xc2, 0x97, 0xbd, 0x94, 0xb0, 0xc9, 0xad, |
| 213 | 0x00, 0xad, 0x00, 0xa2, 0x00, 0xd3, |
| 214 | }; |
| 215 | |
| 216 | static const unsigned char s6e8ax0_22_gamma_230[] = { |
| 217 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb1, 0xc3, 0xbd, 0xb2, 0xd1, |
| 218 | 0xb1, 0xc3, 0xdd, 0xc1, 0x96, 0xbd, 0x94, 0xb0, 0xc9, 0xad, |
| 219 | 0x00, 0xb0, 0x00, 0xa7, 0x00, 0xd7, |
| 220 | }; |
| 221 | |
| 222 | static const unsigned char s6e8ax0_22_gamma_240[] = { |
| 223 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb1, 0xcb, 0xbd, 0xb1, 0xd2, |
| 224 | 0xb1, 0xc3, 0xdD, 0xc2, 0x95, 0xbd, 0x93, 0xaf, 0xc8, 0xab, |
| 225 | 0x00, 0xb3, 0x00, 0xa9, 0x00, 0xdb, |
| 226 | }; |
| 227 | |
| 228 | static const unsigned char s6e8ax0_22_gamma_250[] = { |
| 229 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb3, 0xcc, 0xbe, 0xb0, 0xd2, |
| 230 | 0xb0, 0xc3, 0xdD, 0xc2, 0x94, 0xbc, 0x92, 0xae, 0xc8, 0xab, |
| 231 | 0x00, 0xb6, 0x00, 0xab, 0x00, 0xde, |
| 232 | }; |
| 233 | |
| 234 | static const unsigned char s6e8ax0_22_gamma_260[] = { |
| 235 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb3, 0xd0, 0xbe, 0xaf, 0xd1, |
| 236 | 0xaf, 0xc2, 0xdd, 0xc1, 0x96, 0xbc, 0x93, 0xaf, 0xc8, 0xac, |
| 237 | 0x00, 0xb7, 0x00, 0xad, 0x00, 0xe0, |
| 238 | }; |
| 239 | |
| 240 | static const unsigned char s6e8ax0_22_gamma_270[] = { |
| 241 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb2, 0xcF, 0xbd, 0xb0, 0xd2, |
| 242 | 0xaf, 0xc2, 0xdc, 0xc1, 0x95, 0xbd, 0x93, 0xae, 0xc6, 0xaa, |
| 243 | 0x00, 0xba, 0x00, 0xb0, 0x00, 0xe4, |
| 244 | }; |
| 245 | |
| 246 | static const unsigned char s6e8ax0_22_gamma_280[] = { |
| 247 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb2, 0xd0, 0xbd, 0xaf, 0xd0, |
| 248 | 0xad, 0xc4, 0xdd, 0xc3, 0x95, 0xbd, 0x93, 0xac, 0xc5, 0xa9, |
| 249 | 0x00, 0xbd, 0x00, 0xb2, 0x00, 0xe7, |
| 250 | }; |
| 251 | |
| 252 | static const unsigned char s6e8ax0_22_gamma_300[] = { |
| 253 | 0xfa, 0x01, 0x60, 0x10, 0x60, 0xb5, 0xd3, 0xbd, 0xb1, 0xd2, |
| 254 | 0xb0, 0xc0, 0xdc, 0xc0, 0x94, 0xba, 0x91, 0xac, 0xc5, 0xa9, |
| 255 | 0x00, 0xc2, 0x00, 0xb7, 0x00, 0xed, |
| 256 | }; |
| 257 | |
| 258 | static const unsigned char *s6e8ax0_22_gamma_table[] = { |
| 259 | s6e8ax0_22_gamma_30, |
| 260 | s6e8ax0_22_gamma_50, |
| 261 | s6e8ax0_22_gamma_60, |
| 262 | s6e8ax0_22_gamma_70, |
| 263 | s6e8ax0_22_gamma_80, |
| 264 | s6e8ax0_22_gamma_90, |
| 265 | s6e8ax0_22_gamma_100, |
| 266 | s6e8ax0_22_gamma_120, |
| 267 | s6e8ax0_22_gamma_130, |
| 268 | s6e8ax0_22_gamma_140, |
| 269 | s6e8ax0_22_gamma_150, |
| 270 | s6e8ax0_22_gamma_160, |
| 271 | s6e8ax0_22_gamma_170, |
| 272 | s6e8ax0_22_gamma_180, |
| 273 | s6e8ax0_22_gamma_190, |
| 274 | s6e8ax0_22_gamma_200, |
| 275 | s6e8ax0_22_gamma_210, |
| 276 | s6e8ax0_22_gamma_220, |
| 277 | s6e8ax0_22_gamma_230, |
| 278 | s6e8ax0_22_gamma_240, |
| 279 | s6e8ax0_22_gamma_250, |
| 280 | s6e8ax0_22_gamma_260, |
| 281 | s6e8ax0_22_gamma_270, |
| 282 | s6e8ax0_22_gamma_280, |
| 283 | s6e8ax0_22_gamma_300, |
| 284 | }; |
| 285 | |
| 286 | static void s6e8ax0_panel_cond(struct s6e8ax0 *lcd) |
| 287 | { |
| 288 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 289 | |
| 290 | static const unsigned char data_to_send[] = { |
| 291 | 0xf8, 0x3d, 0x35, 0x00, 0x00, 0x00, 0x93, 0x00, 0x3c, 0x7d, |
| 292 | 0x08, 0x27, 0x7d, 0x3f, 0x00, 0x00, 0x00, 0x20, 0x04, 0x08, |
| 293 | 0x6e, 0x00, 0x00, 0x00, 0x02, 0x08, 0x08, 0x23, 0x23, 0xc0, |
| 294 | 0xc8, 0x08, 0x48, 0xc1, 0x00, 0xc1, 0xff, 0xff, 0xc8 |
| 295 | }; |
Donghwa Lee | 24bb7a6 | 2012-05-09 14:33:31 +0900 | [diff] [blame] | 296 | static const unsigned char data_to_send_panel_reverse[] = { |
| 297 | 0xf8, 0x19, 0x35, 0x00, 0x00, 0x00, 0x93, 0x00, 0x3c, 0x7d, |
| 298 | 0x08, 0x27, 0x7d, 0x3f, 0x00, 0x00, 0x00, 0x20, 0x04, 0x08, |
| 299 | 0x6e, 0x00, 0x00, 0x00, 0x02, 0x08, 0x08, 0x23, 0x23, 0xc0, |
| 300 | 0xc1, 0x01, 0x41, 0xc1, 0x00, 0xc1, 0xf6, 0xf6, 0xc1 |
| 301 | }; |
Donghwa Lee | 9befe40 | 2012-02-08 12:47:39 -0800 | [diff] [blame] | 302 | |
Donghwa Lee | 24bb7a6 | 2012-05-09 14:33:31 +0900 | [diff] [blame] | 303 | if (lcd->dsim_dev->panel_reverse) |
| 304 | ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, |
| 305 | data_to_send_panel_reverse, |
| 306 | ARRAY_SIZE(data_to_send_panel_reverse)); |
| 307 | else |
| 308 | ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, |
| 309 | data_to_send, ARRAY_SIZE(data_to_send)); |
Donghwa Lee | 9befe40 | 2012-02-08 12:47:39 -0800 | [diff] [blame] | 310 | } |
| 311 | |
| 312 | static void s6e8ax0_display_cond(struct s6e8ax0 *lcd) |
| 313 | { |
| 314 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 315 | static const unsigned char data_to_send[] = { |
| 316 | 0xf2, 0x80, 0x03, 0x0d |
| 317 | }; |
| 318 | |
| 319 | ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, |
| 320 | data_to_send, ARRAY_SIZE(data_to_send)); |
| 321 | } |
| 322 | |
| 323 | /* Gamma 2.2 Setting (200cd, 7500K, 10MPCD) */ |
| 324 | static void s6e8ax0_gamma_cond(struct s6e8ax0 *lcd) |
| 325 | { |
| 326 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 327 | unsigned int gamma = lcd->bd->props.brightness; |
| 328 | |
| 329 | ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, |
| 330 | s6e8ax0_22_gamma_table[gamma], |
| 331 | GAMMA_TABLE_COUNT); |
| 332 | } |
| 333 | |
| 334 | static void s6e8ax0_gamma_update(struct s6e8ax0 *lcd) |
| 335 | { |
| 336 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 337 | static const unsigned char data_to_send[] = { |
| 338 | 0xf7, 0x03 |
| 339 | }; |
| 340 | |
| 341 | ops->cmd_write(lcd_to_master(lcd), |
| 342 | MIPI_DSI_DCS_SHORT_WRITE_PARAM, data_to_send, |
| 343 | ARRAY_SIZE(data_to_send)); |
| 344 | } |
| 345 | |
| 346 | static void s6e8ax0_etc_cond1(struct s6e8ax0 *lcd) |
| 347 | { |
| 348 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 349 | static const unsigned char data_to_send[] = { |
| 350 | 0xd1, 0xfe, 0x80, 0x00, 0x01, 0x0b, 0x00, 0x00, 0x40, |
| 351 | 0x0d, 0x00, 0x00 |
| 352 | }; |
| 353 | |
| 354 | ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, |
| 355 | data_to_send, ARRAY_SIZE(data_to_send)); |
| 356 | } |
| 357 | |
| 358 | static void s6e8ax0_etc_cond2(struct s6e8ax0 *lcd) |
| 359 | { |
| 360 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 361 | static const unsigned char data_to_send[] = { |
| 362 | 0xb6, 0x0c, 0x02, 0x03, 0x32, 0xff, 0x44, 0x44, 0xc0, |
| 363 | 0x00 |
| 364 | }; |
| 365 | |
| 366 | ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, |
| 367 | data_to_send, ARRAY_SIZE(data_to_send)); |
| 368 | } |
| 369 | |
| 370 | static void s6e8ax0_etc_cond3(struct s6e8ax0 *lcd) |
| 371 | { |
| 372 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 373 | static const unsigned char data_to_send[] = { |
| 374 | 0xe1, 0x10, 0x1c, 0x17, 0x08, 0x1d |
| 375 | }; |
| 376 | |
| 377 | ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, |
| 378 | data_to_send, ARRAY_SIZE(data_to_send)); |
| 379 | } |
| 380 | |
| 381 | static void s6e8ax0_etc_cond4(struct s6e8ax0 *lcd) |
| 382 | { |
| 383 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 384 | static const unsigned char data_to_send[] = { |
| 385 | 0xe2, 0xed, 0x07, 0xc3, 0x13, 0x0d, 0x03 |
| 386 | }; |
| 387 | |
| 388 | ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, |
| 389 | data_to_send, ARRAY_SIZE(data_to_send)); |
| 390 | } |
| 391 | |
| 392 | static void s6e8ax0_etc_cond5(struct s6e8ax0 *lcd) |
| 393 | { |
| 394 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 395 | static const unsigned char data_to_send[] = { |
| 396 | 0xf4, 0xcf, 0x0a, 0x12, 0x10, 0x19, 0x33, 0x02 |
| 397 | }; |
| 398 | |
| 399 | ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, |
| 400 | data_to_send, ARRAY_SIZE(data_to_send)); |
| 401 | } |
| 402 | static void s6e8ax0_etc_cond6(struct s6e8ax0 *lcd) |
| 403 | { |
| 404 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 405 | static const unsigned char data_to_send[] = { |
| 406 | 0xe3, 0x40 |
| 407 | }; |
| 408 | |
| 409 | ops->cmd_write(lcd_to_master(lcd), |
| 410 | MIPI_DSI_DCS_SHORT_WRITE_PARAM, |
| 411 | data_to_send, ARRAY_SIZE(data_to_send)); |
| 412 | } |
| 413 | |
| 414 | static void s6e8ax0_etc_cond7(struct s6e8ax0 *lcd) |
| 415 | { |
| 416 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 417 | static const unsigned char data_to_send[] = { |
| 418 | 0xe4, 0x00, 0x00, 0x14, 0x80, 0x00, 0x00, 0x00 |
| 419 | }; |
| 420 | |
| 421 | ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, |
| 422 | data_to_send, ARRAY_SIZE(data_to_send)); |
| 423 | } |
| 424 | |
| 425 | static void s6e8ax0_elvss_set(struct s6e8ax0 *lcd) |
| 426 | { |
| 427 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 428 | static const unsigned char data_to_send[] = { |
| 429 | 0xb1, 0x04, 0x00 |
| 430 | }; |
| 431 | |
| 432 | ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, |
| 433 | data_to_send, ARRAY_SIZE(data_to_send)); |
| 434 | } |
| 435 | |
| 436 | static void s6e8ax0_elvss_nvm_set(struct s6e8ax0 *lcd) |
| 437 | { |
| 438 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 439 | static const unsigned char data_to_send[] = { |
| 440 | 0xd9, 0x5c, 0x20, 0x0c, 0x0f, 0x41, 0x00, 0x10, 0x11, |
| 441 | 0x12, 0xd1, 0x00, 0x00, 0x00, 0x00, 0x80, 0xcb, 0xed, |
| 442 | 0x64, 0xaf |
| 443 | }; |
| 444 | |
| 445 | ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, |
| 446 | data_to_send, ARRAY_SIZE(data_to_send)); |
| 447 | } |
| 448 | |
| 449 | static void s6e8ax0_sleep_in(struct s6e8ax0 *lcd) |
| 450 | { |
| 451 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 452 | static const unsigned char data_to_send[] = { |
| 453 | 0x10, 0x00 |
| 454 | }; |
| 455 | |
| 456 | ops->cmd_write(lcd_to_master(lcd), |
| 457 | MIPI_DSI_DCS_SHORT_WRITE, |
| 458 | data_to_send, ARRAY_SIZE(data_to_send)); |
| 459 | } |
| 460 | |
| 461 | static void s6e8ax0_sleep_out(struct s6e8ax0 *lcd) |
| 462 | { |
| 463 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 464 | static const unsigned char data_to_send[] = { |
| 465 | 0x11, 0x00 |
| 466 | }; |
| 467 | |
| 468 | ops->cmd_write(lcd_to_master(lcd), |
| 469 | MIPI_DSI_DCS_SHORT_WRITE, |
| 470 | data_to_send, ARRAY_SIZE(data_to_send)); |
| 471 | } |
| 472 | |
| 473 | static void s6e8ax0_display_on(struct s6e8ax0 *lcd) |
| 474 | { |
| 475 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 476 | static const unsigned char data_to_send[] = { |
| 477 | 0x29, 0x00 |
| 478 | }; |
| 479 | |
| 480 | ops->cmd_write(lcd_to_master(lcd), |
| 481 | MIPI_DSI_DCS_SHORT_WRITE, |
| 482 | data_to_send, ARRAY_SIZE(data_to_send)); |
| 483 | } |
| 484 | |
| 485 | static void s6e8ax0_display_off(struct s6e8ax0 *lcd) |
| 486 | { |
| 487 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 488 | static const unsigned char data_to_send[] = { |
| 489 | 0x28, 0x00 |
| 490 | }; |
| 491 | |
| 492 | ops->cmd_write(lcd_to_master(lcd), |
| 493 | MIPI_DSI_DCS_SHORT_WRITE, |
| 494 | data_to_send, ARRAY_SIZE(data_to_send)); |
| 495 | } |
| 496 | |
| 497 | static void s6e8ax0_apply_level2_key(struct s6e8ax0 *lcd) |
| 498 | { |
| 499 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 500 | static const unsigned char data_to_send[] = { |
| 501 | 0xf0, 0x5a, 0x5a |
| 502 | }; |
| 503 | |
| 504 | ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, |
| 505 | data_to_send, ARRAY_SIZE(data_to_send)); |
| 506 | } |
| 507 | |
| 508 | static void s6e8ax0_acl_on(struct s6e8ax0 *lcd) |
| 509 | { |
| 510 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 511 | static const unsigned char data_to_send[] = { |
| 512 | 0xc0, 0x01 |
| 513 | }; |
| 514 | |
| 515 | ops->cmd_write(lcd_to_master(lcd), |
| 516 | MIPI_DSI_DCS_SHORT_WRITE, |
| 517 | data_to_send, ARRAY_SIZE(data_to_send)); |
| 518 | } |
| 519 | |
| 520 | static void s6e8ax0_acl_off(struct s6e8ax0 *lcd) |
| 521 | { |
| 522 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 523 | static const unsigned char data_to_send[] = { |
| 524 | 0xc0, 0x00 |
| 525 | }; |
| 526 | |
| 527 | ops->cmd_write(lcd_to_master(lcd), |
| 528 | MIPI_DSI_DCS_SHORT_WRITE, |
| 529 | data_to_send, ARRAY_SIZE(data_to_send)); |
| 530 | } |
| 531 | |
| 532 | /* Full white 50% reducing setting */ |
| 533 | static void s6e8ax0_acl_ctrl_set(struct s6e8ax0 *lcd) |
| 534 | { |
| 535 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 536 | /* Full white 50% reducing setting */ |
| 537 | static const unsigned char cutoff_50[] = { |
| 538 | 0xc1, 0x47, 0x53, 0x13, 0x53, 0x00, 0x00, 0x02, 0xcf, |
| 539 | 0x00, 0x00, 0x04, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 540 | 0x01, 0x08, 0x0f, 0x16, 0x1d, 0x24, 0x2a, 0x31, 0x38, |
| 541 | 0x3f, 0x46 |
| 542 | }; |
| 543 | /* Full white 45% reducing setting */ |
| 544 | static const unsigned char cutoff_45[] = { |
| 545 | 0xc1, 0x47, 0x53, 0x13, 0x53, 0x00, 0x00, 0x02, 0xcf, |
| 546 | 0x00, 0x00, 0x04, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 547 | 0x01, 0x07, 0x0d, 0x13, 0x19, 0x1f, 0x25, 0x2b, 0x31, |
| 548 | 0x37, 0x3d |
| 549 | }; |
| 550 | /* Full white 40% reducing setting */ |
| 551 | static const unsigned char cutoff_40[] = { |
| 552 | 0xc1, 0x47, 0x53, 0x13, 0x53, 0x00, 0x00, 0x02, 0xcf, |
| 553 | 0x00, 0x00, 0x04, 0xff, 0x00, 0x00, 0x00, 0x00, 0x00, |
| 554 | 0x01, 0x06, 0x0c, 0x11, 0x16, 0x1c, 0x21, 0x26, 0x2b, |
| 555 | 0x31, 0x36 |
| 556 | }; |
| 557 | |
| 558 | if (lcd->acl_enable) { |
| 559 | if (lcd->cur_acl == 0) { |
| 560 | if (lcd->gamma == 0 || lcd->gamma == 1) { |
| 561 | s6e8ax0_acl_off(lcd); |
| 562 | dev_dbg(&lcd->ld->dev, |
| 563 | "cur_acl=%d\n", lcd->cur_acl); |
| 564 | } else |
| 565 | s6e8ax0_acl_on(lcd); |
| 566 | } |
| 567 | switch (lcd->gamma) { |
| 568 | case 0: /* 30cd */ |
| 569 | s6e8ax0_acl_off(lcd); |
| 570 | lcd->cur_acl = 0; |
| 571 | break; |
| 572 | case 1 ... 3: /* 50cd ~ 90cd */ |
| 573 | ops->cmd_write(lcd_to_master(lcd), |
| 574 | MIPI_DSI_DCS_LONG_WRITE, |
| 575 | cutoff_40, |
| 576 | ARRAY_SIZE(cutoff_40)); |
| 577 | lcd->cur_acl = 40; |
| 578 | break; |
| 579 | case 4 ... 7: /* 120cd ~ 210cd */ |
| 580 | ops->cmd_write(lcd_to_master(lcd), |
| 581 | MIPI_DSI_DCS_LONG_WRITE, |
| 582 | cutoff_45, |
| 583 | ARRAY_SIZE(cutoff_45)); |
| 584 | lcd->cur_acl = 45; |
| 585 | break; |
| 586 | case 8 ... 10: /* 220cd ~ 300cd */ |
| 587 | ops->cmd_write(lcd_to_master(lcd), |
| 588 | MIPI_DSI_DCS_LONG_WRITE, |
| 589 | cutoff_50, |
| 590 | ARRAY_SIZE(cutoff_50)); |
| 591 | lcd->cur_acl = 50; |
| 592 | break; |
| 593 | default: |
| 594 | break; |
| 595 | } |
| 596 | } else { |
| 597 | s6e8ax0_acl_off(lcd); |
| 598 | lcd->cur_acl = 0; |
| 599 | dev_dbg(&lcd->ld->dev, "cur_acl = %d\n", lcd->cur_acl); |
| 600 | } |
| 601 | } |
| 602 | |
| 603 | static void s6e8ax0_read_id(struct s6e8ax0 *lcd, u8 *mtp_id) |
| 604 | { |
| 605 | unsigned int ret; |
| 606 | unsigned int addr = 0xd1; /* MTP ID */ |
| 607 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 608 | |
| 609 | ret = ops->cmd_read(lcd_to_master(lcd), |
| 610 | MIPI_DSI_GENERIC_READ_REQUEST_1_PARAM, |
| 611 | addr, 3, mtp_id); |
| 612 | } |
| 613 | |
| 614 | static int s6e8ax0_panel_init(struct s6e8ax0 *lcd) |
| 615 | { |
| 616 | s6e8ax0_apply_level2_key(lcd); |
| 617 | s6e8ax0_sleep_out(lcd); |
| 618 | msleep(1); |
| 619 | s6e8ax0_panel_cond(lcd); |
| 620 | s6e8ax0_display_cond(lcd); |
| 621 | s6e8ax0_gamma_cond(lcd); |
| 622 | s6e8ax0_gamma_update(lcd); |
| 623 | |
| 624 | s6e8ax0_etc_cond1(lcd); |
| 625 | s6e8ax0_etc_cond2(lcd); |
| 626 | s6e8ax0_etc_cond3(lcd); |
| 627 | s6e8ax0_etc_cond4(lcd); |
| 628 | s6e8ax0_etc_cond5(lcd); |
| 629 | s6e8ax0_etc_cond6(lcd); |
| 630 | s6e8ax0_etc_cond7(lcd); |
| 631 | |
| 632 | s6e8ax0_elvss_nvm_set(lcd); |
| 633 | s6e8ax0_elvss_set(lcd); |
| 634 | |
| 635 | s6e8ax0_acl_ctrl_set(lcd); |
| 636 | s6e8ax0_acl_on(lcd); |
| 637 | |
| 638 | /* if ID3 value is not 33h, branch private elvss mode */ |
| 639 | msleep(lcd->ddi_pd->power_on_delay); |
| 640 | |
| 641 | return 0; |
| 642 | } |
| 643 | |
| 644 | static int s6e8ax0_update_gamma_ctrl(struct s6e8ax0 *lcd, int brightness) |
| 645 | { |
| 646 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 647 | |
| 648 | ops->cmd_write(lcd_to_master(lcd), MIPI_DSI_DCS_LONG_WRITE, |
| 649 | s6e8ax0_22_gamma_table[brightness], |
| 650 | ARRAY_SIZE(s6e8ax0_22_gamma_table)); |
| 651 | |
| 652 | /* update gamma table. */ |
| 653 | s6e8ax0_gamma_update(lcd); |
| 654 | lcd->gamma = brightness; |
| 655 | |
| 656 | return 0; |
| 657 | } |
| 658 | |
| 659 | static int s6e8ax0_gamma_ctrl(struct s6e8ax0 *lcd, int gamma) |
| 660 | { |
| 661 | s6e8ax0_update_gamma_ctrl(lcd, gamma); |
| 662 | |
| 663 | return 0; |
| 664 | } |
| 665 | |
| 666 | static int s6e8ax0_set_power(struct lcd_device *ld, int power) |
| 667 | { |
| 668 | struct s6e8ax0 *lcd = lcd_get_data(ld); |
| 669 | struct mipi_dsim_master_ops *ops = lcd_to_master_ops(lcd); |
| 670 | int ret = 0; |
| 671 | |
| 672 | if (power != FB_BLANK_UNBLANK && power != FB_BLANK_POWERDOWN && |
| 673 | power != FB_BLANK_NORMAL) { |
| 674 | dev_err(lcd->dev, "power value should be 0, 1 or 4.\n"); |
| 675 | return -EINVAL; |
| 676 | } |
| 677 | |
| 678 | if ((power == FB_BLANK_UNBLANK) && ops->set_blank_mode) { |
| 679 | /* LCD power on */ |
| 680 | if ((POWER_IS_ON(power) && POWER_IS_OFF(lcd->power)) |
| 681 | || (POWER_IS_ON(power) && POWER_IS_NRM(lcd->power))) { |
| 682 | ret = ops->set_blank_mode(lcd_to_master(lcd), power); |
| 683 | if (!ret && lcd->power != power) |
| 684 | lcd->power = power; |
| 685 | } |
| 686 | } else if ((power == FB_BLANK_POWERDOWN) && ops->set_early_blank_mode) { |
| 687 | /* LCD power off */ |
| 688 | if ((POWER_IS_OFF(power) && POWER_IS_ON(lcd->power)) || |
| 689 | (POWER_IS_ON(lcd->power) && POWER_IS_NRM(power))) { |
| 690 | ret = ops->set_early_blank_mode(lcd_to_master(lcd), |
| 691 | power); |
| 692 | if (!ret && lcd->power != power) |
| 693 | lcd->power = power; |
| 694 | } |
| 695 | } |
| 696 | |
| 697 | return ret; |
| 698 | } |
| 699 | |
| 700 | static int s6e8ax0_get_power(struct lcd_device *ld) |
| 701 | { |
| 702 | struct s6e8ax0 *lcd = lcd_get_data(ld); |
| 703 | |
| 704 | return lcd->power; |
| 705 | } |
| 706 | |
| 707 | static int s6e8ax0_get_brightness(struct backlight_device *bd) |
| 708 | { |
| 709 | return bd->props.brightness; |
| 710 | } |
| 711 | |
| 712 | static int s6e8ax0_set_brightness(struct backlight_device *bd) |
| 713 | { |
| 714 | int ret = 0, brightness = bd->props.brightness; |
| 715 | struct s6e8ax0 *lcd = bl_get_data(bd); |
| 716 | |
| 717 | if (brightness < MIN_BRIGHTNESS || |
| 718 | brightness > bd->props.max_brightness) { |
| 719 | dev_err(lcd->dev, "lcd brightness should be %d to %d.\n", |
| 720 | MIN_BRIGHTNESS, MAX_BRIGHTNESS); |
| 721 | return -EINVAL; |
| 722 | } |
| 723 | |
| 724 | ret = s6e8ax0_gamma_ctrl(lcd, brightness); |
| 725 | if (ret) { |
| 726 | dev_err(&bd->dev, "lcd brightness setting failed.\n"); |
| 727 | return -EIO; |
| 728 | } |
| 729 | |
| 730 | return ret; |
| 731 | } |
| 732 | |
| 733 | static struct lcd_ops s6e8ax0_lcd_ops = { |
| 734 | .set_power = s6e8ax0_set_power, |
| 735 | .get_power = s6e8ax0_get_power, |
| 736 | }; |
| 737 | |
| 738 | static const struct backlight_ops s6e8ax0_backlight_ops = { |
| 739 | .get_brightness = s6e8ax0_get_brightness, |
| 740 | .update_status = s6e8ax0_set_brightness, |
| 741 | }; |
| 742 | |
| 743 | static void s6e8ax0_power_on(struct mipi_dsim_lcd_device *dsim_dev, int power) |
| 744 | { |
| 745 | struct s6e8ax0 *lcd = dev_get_drvdata(&dsim_dev->dev); |
| 746 | |
| 747 | msleep(lcd->ddi_pd->power_on_delay); |
| 748 | |
| 749 | /* lcd power on */ |
| 750 | if (power) |
| 751 | s6e8ax0_regulator_enable(lcd); |
| 752 | else |
| 753 | s6e8ax0_regulator_disable(lcd); |
| 754 | |
| 755 | msleep(lcd->ddi_pd->reset_delay); |
| 756 | |
| 757 | /* lcd reset */ |
| 758 | if (lcd->ddi_pd->reset) |
| 759 | lcd->ddi_pd->reset(lcd->ld); |
| 760 | msleep(5); |
| 761 | } |
| 762 | |
| 763 | static void s6e8ax0_set_sequence(struct mipi_dsim_lcd_device *dsim_dev) |
| 764 | { |
| 765 | struct s6e8ax0 *lcd = dev_get_drvdata(&dsim_dev->dev); |
| 766 | |
| 767 | s6e8ax0_panel_init(lcd); |
| 768 | s6e8ax0_display_on(lcd); |
| 769 | |
| 770 | lcd->power = FB_BLANK_UNBLANK; |
| 771 | } |
| 772 | |
| 773 | static int s6e8ax0_probe(struct mipi_dsim_lcd_device *dsim_dev) |
| 774 | { |
| 775 | struct s6e8ax0 *lcd; |
| 776 | int ret; |
| 777 | u8 mtp_id[3] = {0, }; |
| 778 | |
Sachin Kamat | a25fc87 | 2013-02-21 16:42:25 -0800 | [diff] [blame] | 779 | lcd = devm_kzalloc(&dsim_dev->dev, sizeof(struct s6e8ax0), GFP_KERNEL); |
Donghwa Lee | 9befe40 | 2012-02-08 12:47:39 -0800 | [diff] [blame] | 780 | if (!lcd) { |
| 781 | dev_err(&dsim_dev->dev, "failed to allocate s6e8ax0 structure.\n"); |
| 782 | return -ENOMEM; |
| 783 | } |
| 784 | |
| 785 | lcd->dsim_dev = dsim_dev; |
| 786 | lcd->ddi_pd = (struct lcd_platform_data *)dsim_dev->platform_data; |
| 787 | lcd->dev = &dsim_dev->dev; |
| 788 | |
| 789 | mutex_init(&lcd->lock); |
| 790 | |
Sachin Kamat | a25fc87 | 2013-02-21 16:42:25 -0800 | [diff] [blame] | 791 | ret = devm_regulator_bulk_get(lcd->dev, ARRAY_SIZE(supplies), supplies); |
Donghwa Lee | 9befe40 | 2012-02-08 12:47:39 -0800 | [diff] [blame] | 792 | if (ret) { |
| 793 | dev_err(lcd->dev, "Failed to get regulators: %d\n", ret); |
Sachin Kamat | a25fc87 | 2013-02-21 16:42:25 -0800 | [diff] [blame] | 794 | return ret; |
Donghwa Lee | 9befe40 | 2012-02-08 12:47:39 -0800 | [diff] [blame] | 795 | } |
| 796 | |
| 797 | lcd->ld = lcd_device_register("s6e8ax0", lcd->dev, lcd, |
| 798 | &s6e8ax0_lcd_ops); |
| 799 | if (IS_ERR(lcd->ld)) { |
| 800 | dev_err(lcd->dev, "failed to register lcd ops.\n"); |
Sachin Kamat | a25fc87 | 2013-02-21 16:42:25 -0800 | [diff] [blame] | 801 | return PTR_ERR(lcd->ld); |
Donghwa Lee | 9befe40 | 2012-02-08 12:47:39 -0800 | [diff] [blame] | 802 | } |
| 803 | |
| 804 | lcd->bd = backlight_device_register("s6e8ax0-bl", lcd->dev, lcd, |
| 805 | &s6e8ax0_backlight_ops, NULL); |
| 806 | if (IS_ERR(lcd->bd)) { |
| 807 | dev_err(lcd->dev, "failed to register backlight ops.\n"); |
| 808 | ret = PTR_ERR(lcd->bd); |
| 809 | goto err_backlight_register; |
| 810 | } |
| 811 | |
| 812 | lcd->bd->props.max_brightness = MAX_BRIGHTNESS; |
| 813 | lcd->bd->props.brightness = MAX_BRIGHTNESS; |
| 814 | |
| 815 | s6e8ax0_read_id(lcd, mtp_id); |
| 816 | if (mtp_id[0] == 0x00) |
| 817 | dev_err(lcd->dev, "read id failed\n"); |
| 818 | |
| 819 | dev_info(lcd->dev, "Read ID : %x, %x, %x\n", |
| 820 | mtp_id[0], mtp_id[1], mtp_id[2]); |
| 821 | |
| 822 | if (mtp_id[2] == 0x33) |
| 823 | dev_info(lcd->dev, |
| 824 | "ID-3 is 0xff does not support dynamic elvss\n"); |
| 825 | else |
| 826 | dev_info(lcd->dev, |
| 827 | "ID-3 is 0x%x support dynamic elvss\n", mtp_id[2]); |
| 828 | |
| 829 | lcd->acl_enable = 1; |
| 830 | lcd->cur_acl = 0; |
| 831 | |
| 832 | dev_set_drvdata(&dsim_dev->dev, lcd); |
| 833 | |
| 834 | dev_dbg(lcd->dev, "probed s6e8ax0 panel driver.\n"); |
| 835 | |
| 836 | return 0; |
| 837 | |
| 838 | err_backlight_register: |
| 839 | lcd_device_unregister(lcd->ld); |
Donghwa Lee | 9befe40 | 2012-02-08 12:47:39 -0800 | [diff] [blame] | 840 | return ret; |
| 841 | } |
| 842 | |
| 843 | #ifdef CONFIG_PM |
| 844 | static int s6e8ax0_suspend(struct mipi_dsim_lcd_device *dsim_dev) |
| 845 | { |
| 846 | struct s6e8ax0 *lcd = dev_get_drvdata(&dsim_dev->dev); |
| 847 | |
| 848 | s6e8ax0_sleep_in(lcd); |
| 849 | msleep(lcd->ddi_pd->power_off_delay); |
| 850 | s6e8ax0_display_off(lcd); |
| 851 | |
| 852 | s6e8ax0_regulator_disable(lcd); |
| 853 | |
| 854 | return 0; |
| 855 | } |
| 856 | |
| 857 | static int s6e8ax0_resume(struct mipi_dsim_lcd_device *dsim_dev) |
| 858 | { |
| 859 | struct s6e8ax0 *lcd = dev_get_drvdata(&dsim_dev->dev); |
| 860 | |
| 861 | s6e8ax0_sleep_out(lcd); |
| 862 | msleep(lcd->ddi_pd->power_on_delay); |
| 863 | |
| 864 | s6e8ax0_regulator_enable(lcd); |
| 865 | s6e8ax0_set_sequence(dsim_dev); |
| 866 | |
| 867 | return 0; |
| 868 | } |
| 869 | #else |
| 870 | #define s6e8ax0_suspend NULL |
| 871 | #define s6e8ax0_resume NULL |
| 872 | #endif |
| 873 | |
| 874 | static struct mipi_dsim_lcd_driver s6e8ax0_dsim_ddi_driver = { |
| 875 | .name = "s6e8ax0", |
| 876 | .id = -1, |
| 877 | |
| 878 | .power_on = s6e8ax0_power_on, |
| 879 | .set_sequence = s6e8ax0_set_sequence, |
| 880 | .probe = s6e8ax0_probe, |
| 881 | .suspend = s6e8ax0_suspend, |
| 882 | .resume = s6e8ax0_resume, |
| 883 | }; |
| 884 | |
| 885 | static int s6e8ax0_init(void) |
| 886 | { |
| 887 | exynos_mipi_dsi_register_lcd_driver(&s6e8ax0_dsim_ddi_driver); |
| 888 | |
| 889 | return 0; |
| 890 | } |
| 891 | |
| 892 | static void s6e8ax0_exit(void) |
| 893 | { |
| 894 | return; |
| 895 | } |
| 896 | |
| 897 | module_init(s6e8ax0_init); |
| 898 | module_exit(s6e8ax0_exit); |
| 899 | |
| 900 | MODULE_AUTHOR("Donghwa Lee <dh09.lee@samsung.com>"); |
| 901 | MODULE_AUTHOR("Inki Dae <inki.dae@samsung.com>"); |
| 902 | MODULE_DESCRIPTION("MIPI-DSI based s6e8ax0 AMOLED LCD Panel Driver"); |
| 903 | MODULE_LICENSE("GPL"); |