Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1 | /* |
| 2 | * |
| 3 | * Copyright (C) 2013, Noralf Tronnes |
| 4 | * |
| 5 | * This program is free software; you can redistribute it and/or modify |
| 6 | * it under the terms of the GNU General Public License as published by |
| 7 | * the Free Software Foundation; either version 2 of the License, or |
| 8 | * (at your option) any later version. |
| 9 | * |
| 10 | * This program is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 13 | * GNU General Public License for more details. |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 14 | */ |
| 15 | |
Sudip Mukherjee | 805dead | 2015-09-11 18:28:52 +0530 | [diff] [blame] | 16 | #define pr_fmt(fmt) "fbtft_device: " fmt |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 17 | #include <linux/module.h> |
| 18 | #include <linux/kernel.h> |
| 19 | #include <linux/init.h> |
| 20 | #include <linux/gpio.h> |
| 21 | #include <linux/spi/spi.h> |
Dennis Menschel | 598af18 | 2015-10-21 23:16:53 +0200 | [diff] [blame] | 22 | #include <video/mipi_display.h> |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 23 | |
| 24 | #include "fbtft.h" |
| 25 | |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 26 | #define MAX_GPIOS 32 |
| 27 | |
Frederic Jacob | cc060ed | 2015-02-07 21:15:25 -0500 | [diff] [blame] | 28 | static struct spi_device *spi_device; |
| 29 | static struct platform_device *p_device; |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 30 | |
| 31 | static char *name; |
| 32 | module_param(name, charp, 0); |
Anton Gerasimov | 56cda8a | 2015-06-13 22:23:50 +0300 | [diff] [blame] | 33 | MODULE_PARM_DESC(name, "Devicename (required). name=list => list all supported devices."); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 34 | |
Ming Yang | 1c41494 | 2016-07-17 19:13:18 -0700 | [diff] [blame] | 35 | static unsigned int rotate; |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 36 | module_param(rotate, uint, 0); |
| 37 | MODULE_PARM_DESC(rotate, |
| 38 | "Angle to rotate display counter clockwise: 0, 90, 180, 270"); |
| 39 | |
Ming Yang | 1c41494 | 2016-07-17 19:13:18 -0700 | [diff] [blame] | 40 | static unsigned int busnum; |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 41 | module_param(busnum, uint, 0); |
| 42 | MODULE_PARM_DESC(busnum, "SPI bus number (default=0)"); |
| 43 | |
Ming Yang | 1c41494 | 2016-07-17 19:13:18 -0700 | [diff] [blame] | 44 | static unsigned int cs; |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 45 | module_param(cs, uint, 0); |
| 46 | MODULE_PARM_DESC(cs, "SPI chip select (default=0)"); |
| 47 | |
Ming Yang | 1c41494 | 2016-07-17 19:13:18 -0700 | [diff] [blame] | 48 | static unsigned int speed; |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 49 | module_param(speed, uint, 0); |
| 50 | MODULE_PARM_DESC(speed, "SPI speed (override device default)"); |
| 51 | |
| 52 | static int mode = -1; |
| 53 | module_param(mode, int, 0); |
| 54 | MODULE_PARM_DESC(mode, "SPI mode (override device default)"); |
| 55 | |
| 56 | static char *gpios; |
| 57 | module_param(gpios, charp, 0); |
| 58 | MODULE_PARM_DESC(gpios, |
Anton Gerasimov | 56cda8a | 2015-06-13 22:23:50 +0300 | [diff] [blame] | 59 | "List of gpios. Comma separated with the form: reset:23,dc:24 (when overriding the default, all gpios must be specified)"); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 60 | |
Ming Yang | 1c41494 | 2016-07-17 19:13:18 -0700 | [diff] [blame] | 61 | static unsigned int fps; |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 62 | module_param(fps, uint, 0); |
| 63 | MODULE_PARM_DESC(fps, "Frames per second (override driver default)"); |
| 64 | |
| 65 | static char *gamma; |
| 66 | module_param(gamma, charp, 0); |
| 67 | MODULE_PARM_DESC(gamma, |
| 68 | "String representation of Gamma Curve(s). Driver specific."); |
| 69 | |
| 70 | static int txbuflen; |
| 71 | module_param(txbuflen, int, 0); |
| 72 | MODULE_PARM_DESC(txbuflen, "txbuflen (override driver default)"); |
| 73 | |
| 74 | static int bgr = -1; |
| 75 | module_param(bgr, int, 0); |
| 76 | MODULE_PARM_DESC(bgr, |
| 77 | "BGR bit (supported by some drivers)."); |
| 78 | |
Ming Yang | 1c41494 | 2016-07-17 19:13:18 -0700 | [diff] [blame] | 79 | static unsigned int startbyte; |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 80 | module_param(startbyte, uint, 0); |
| 81 | MODULE_PARM_DESC(startbyte, "Sets the Start byte used by some SPI displays."); |
| 82 | |
| 83 | static bool custom; |
| 84 | module_param(custom, bool, 0); |
Anton Gerasimov | 56cda8a | 2015-06-13 22:23:50 +0300 | [diff] [blame] | 85 | MODULE_PARM_DESC(custom, "Add a custom display device. Use speed= argument to make it a SPI device, else platform_device"); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 86 | |
Ming Yang | 1c41494 | 2016-07-17 19:13:18 -0700 | [diff] [blame] | 87 | static unsigned int width; |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 88 | module_param(width, uint, 0); |
| 89 | MODULE_PARM_DESC(width, "Display width, used with the custom argument"); |
| 90 | |
Ming Yang | 1c41494 | 2016-07-17 19:13:18 -0700 | [diff] [blame] | 91 | static unsigned int height; |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 92 | module_param(height, uint, 0); |
| 93 | MODULE_PARM_DESC(height, "Display height, used with the custom argument"); |
| 94 | |
Ming Yang | 1c41494 | 2016-07-17 19:13:18 -0700 | [diff] [blame] | 95 | static unsigned int buswidth = 8; |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 96 | module_param(buswidth, uint, 0); |
| 97 | MODULE_PARM_DESC(buswidth, "Display bus width, used with the custom argument"); |
| 98 | |
| 99 | static int init[FBTFT_MAX_INIT_SEQUENCE]; |
| 100 | static int init_num; |
| 101 | module_param_array(init, int, &init_num, 0); |
| 102 | MODULE_PARM_DESC(init, "Init sequence, used with the custom argument"); |
| 103 | |
| 104 | static unsigned long debug; |
Aya Mahfouz | 73762b9 | 2015-02-19 05:02:24 +0200 | [diff] [blame] | 105 | module_param(debug, ulong, 0); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 106 | MODULE_PARM_DESC(debug, |
| 107 | "level: 0-7 (the remaining 29 bits is for advanced usage)"); |
| 108 | |
Ming Yang | 1c41494 | 2016-07-17 19:13:18 -0700 | [diff] [blame] | 109 | static unsigned int verbose = 3; |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 110 | module_param(verbose, uint, 0); |
| 111 | MODULE_PARM_DESC(verbose, |
| 112 | "0 silent, >0 show gpios, >1 show devices, >2 show devices before (default=3)"); |
| 113 | |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 114 | struct fbtft_device_display { |
| 115 | char *name; |
| 116 | struct spi_board_info *spi; |
| 117 | struct platform_device *pdev; |
| 118 | }; |
| 119 | |
| 120 | static void fbtft_device_pdev_release(struct device *dev); |
| 121 | |
| 122 | static int write_gpio16_wr_slow(struct fbtft_par *par, void *buf, size_t len); |
| 123 | static void adafruit18_green_tab_set_addr_win(struct fbtft_par *par, |
| 124 | int xs, int ys, int xe, int ye); |
| 125 | |
| 126 | #define ADAFRUIT18_GAMMA \ |
| 127 | "02 1c 07 12 37 32 29 2d 29 25 2B 39 00 01 03 10\n" \ |
| 128 | "03 1d 07 06 2E 2C 29 2D 2E 2E 37 3F 00 00 02 10" |
| 129 | |
Dennis Menschel | e9f6806 | 2015-10-07 22:15:46 +0200 | [diff] [blame] | 130 | #define CBERRY28_GAMMA \ |
| 131 | "D0 00 14 15 13 2C 42 43 4E 09 16 14 18 21\n" \ |
| 132 | "D0 00 14 15 13 0B 43 55 53 0C 17 14 23 20" |
| 133 | |
| 134 | static int cberry28_init_sequence[] = { |
| 135 | /* turn off sleep mode */ |
Dennis Menschel | 598af18 | 2015-10-21 23:16:53 +0200 | [diff] [blame] | 136 | -1, MIPI_DCS_EXIT_SLEEP_MODE, |
Dennis Menschel | e9f6806 | 2015-10-07 22:15:46 +0200 | [diff] [blame] | 137 | -2, 120, |
| 138 | |
| 139 | /* set pixel format to RGB-565 */ |
Dennis Menschel | 598af18 | 2015-10-21 23:16:53 +0200 | [diff] [blame] | 140 | -1, MIPI_DCS_SET_PIXEL_FORMAT, MIPI_DCS_PIXEL_FMT_16BIT, |
Dennis Menschel | e9f6806 | 2015-10-07 22:15:46 +0200 | [diff] [blame] | 141 | |
| 142 | -1, 0xB2, 0x0C, 0x0C, 0x00, 0x33, 0x33, |
| 143 | |
| 144 | /* |
| 145 | * VGH = 13.26V |
| 146 | * VGL = -10.43V |
| 147 | */ |
| 148 | -1, 0xB7, 0x35, |
| 149 | |
| 150 | /* |
| 151 | * VDV and VRH register values come from command write |
| 152 | * (instead of NVM) |
| 153 | */ |
| 154 | -1, 0xC2, 0x01, 0xFF, |
| 155 | |
| 156 | /* |
| 157 | * VAP = 4.7V + (VCOM + VCOM offset + 0.5 * VDV) |
| 158 | * VAN = -4.7V + (VCOM + VCOM offset + 0.5 * VDV) |
| 159 | */ |
| 160 | -1, 0xC3, 0x17, |
| 161 | |
| 162 | /* VDV = 0V */ |
| 163 | -1, 0xC4, 0x20, |
| 164 | |
Dennis Menschel | 646287b | 2015-10-21 23:16:56 +0200 | [diff] [blame] | 165 | /* VCOM = 0.675V */ |
| 166 | -1, 0xBB, 0x17, |
Dennis Menschel | e9f6806 | 2015-10-07 22:15:46 +0200 | [diff] [blame] | 167 | |
| 168 | /* VCOM offset = 0V */ |
| 169 | -1, 0xC5, 0x20, |
| 170 | |
| 171 | /* |
Dennis Menschel | 646287b | 2015-10-21 23:16:56 +0200 | [diff] [blame] | 172 | * AVDD = 6.8V |
Dennis Menschel | e9f6806 | 2015-10-07 22:15:46 +0200 | [diff] [blame] | 173 | * AVCL = -4.8V |
| 174 | * VDS = 2.3V |
| 175 | */ |
Dennis Menschel | 646287b | 2015-10-21 23:16:56 +0200 | [diff] [blame] | 176 | -1, 0xD0, 0xA4, 0xA1, |
Dennis Menschel | e9f6806 | 2015-10-07 22:15:46 +0200 | [diff] [blame] | 177 | |
Dennis Menschel | 598af18 | 2015-10-21 23:16:53 +0200 | [diff] [blame] | 178 | -1, MIPI_DCS_SET_DISPLAY_ON, |
Dennis Menschel | e9f6806 | 2015-10-07 22:15:46 +0200 | [diff] [blame] | 179 | |
| 180 | -3, |
| 181 | }; |
| 182 | |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 183 | static int hy28b_init_sequence[] = { |
Aya Mahfouz | 73762b9 | 2015-02-19 05:02:24 +0200 | [diff] [blame] | 184 | -1, 0x00e7, 0x0010, -1, 0x0000, 0x0001, |
| 185 | -1, 0x0001, 0x0100, -1, 0x0002, 0x0700, |
| 186 | -1, 0x0003, 0x1030, -1, 0x0004, 0x0000, |
| 187 | -1, 0x0008, 0x0207, -1, 0x0009, 0x0000, |
| 188 | -1, 0x000a, 0x0000, -1, 0x000c, 0x0001, |
| 189 | -1, 0x000d, 0x0000, -1, 0x000f, 0x0000, |
| 190 | -1, 0x0010, 0x0000, -1, 0x0011, 0x0007, |
| 191 | -1, 0x0012, 0x0000, -1, 0x0013, 0x0000, |
| 192 | -2, 50, -1, 0x0010, 0x1590, -1, 0x0011, |
| 193 | 0x0227, -2, 50, -1, 0x0012, 0x009c, -2, 50, |
| 194 | -1, 0x0013, 0x1900, -1, 0x0029, 0x0023, |
| 195 | -1, 0x002b, 0x000e, -2, 50, |
| 196 | -1, 0x0020, 0x0000, -1, 0x0021, 0x0000, |
| 197 | -2, 50, -1, 0x0050, 0x0000, |
| 198 | -1, 0x0051, 0x00ef, -1, 0x0052, 0x0000, |
| 199 | -1, 0x0053, 0x013f, -1, 0x0060, 0xa700, |
| 200 | -1, 0x0061, 0x0001, -1, 0x006a, 0x0000, |
| 201 | -1, 0x0080, 0x0000, -1, 0x0081, 0x0000, |
| 202 | -1, 0x0082, 0x0000, -1, 0x0083, 0x0000, |
| 203 | -1, 0x0084, 0x0000, -1, 0x0085, 0x0000, |
| 204 | -1, 0x0090, 0x0010, -1, 0x0092, 0x0000, |
| 205 | -1, 0x0093, 0x0003, -1, 0x0095, 0x0110, |
| 206 | -1, 0x0097, 0x0000, -1, 0x0098, 0x0000, |
| 207 | -1, 0x0007, 0x0133, -1, 0x0020, 0x0000, |
| 208 | -1, 0x0021, 0x0000, -2, 100, -3 }; |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 209 | |
| 210 | #define HY28B_GAMMA \ |
| 211 | "04 1F 4 7 7 0 7 7 6 0\n" \ |
| 212 | "0F 00 1 7 4 0 0 0 6 7" |
| 213 | |
| 214 | static int pitft_init_sequence[] = { |
Priit Laes | a79cb39 | 2015-12-20 20:36:05 +0200 | [diff] [blame] | 215 | -1, MIPI_DCS_SOFT_RESET, |
| 216 | -2, 5, |
| 217 | -1, MIPI_DCS_SET_DISPLAY_OFF, |
| 218 | -1, 0xEF, 0x03, 0x80, 0x02, |
| 219 | -1, 0xCF, 0x00, 0xC1, 0x30, |
Aya Mahfouz | 73762b9 | 2015-02-19 05:02:24 +0200 | [diff] [blame] | 220 | -1, 0xED, 0x64, 0x03, 0x12, 0x81, |
| 221 | -1, 0xE8, 0x85, 0x00, 0x78, |
| 222 | -1, 0xCB, 0x39, 0x2C, 0x00, 0x34, 0x02, |
Priit Laes | a79cb39 | 2015-12-20 20:36:05 +0200 | [diff] [blame] | 223 | -1, 0xF7, 0x20, |
| 224 | -1, 0xEA, 0x00, 0x00, |
| 225 | -1, 0xC0, 0x23, |
| 226 | -1, 0xC1, 0x10, |
| 227 | -1, 0xC5, 0x3E, 0x28, |
| 228 | -1, 0xC7, 0x86, |
| 229 | -1, MIPI_DCS_SET_PIXEL_FORMAT, 0x55, |
| 230 | -1, 0xB1, 0x00, 0x18, |
| 231 | -1, 0xB6, 0x08, 0x82, 0x27, |
| 232 | -1, 0xF2, 0x00, |
| 233 | -1, MIPI_DCS_SET_GAMMA_CURVE, 0x01, |
| 234 | -1, 0xE0, 0x0F, 0x31, 0x2B, 0x0C, 0x0E, 0x08, 0x4E, |
| 235 | 0xF1, 0x37, 0x07, 0x10, 0x03, 0x0E, 0x09, 0x00, |
| 236 | -1, 0xE1, 0x00, 0x0E, 0x14, 0x03, 0x11, 0x07, 0x31, |
| 237 | 0xC1, 0x48, 0x08, 0x0F, 0x0C, 0x31, 0x36, 0x0F, |
| 238 | -1, MIPI_DCS_EXIT_SLEEP_MODE, |
| 239 | -2, 100, |
| 240 | -1, MIPI_DCS_SET_DISPLAY_ON, |
| 241 | -2, 20, |
| 242 | -3 |
| 243 | }; |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 244 | |
| 245 | static int waveshare32b_init_sequence[] = { |
Aya Mahfouz | 73762b9 | 2015-02-19 05:02:24 +0200 | [diff] [blame] | 246 | -1, 0xCB, 0x39, 0x2C, 0x00, 0x34, 0x02, |
| 247 | -1, 0xCF, 0x00, 0xC1, 0x30, |
Priit Laes | a79cb39 | 2015-12-20 20:36:05 +0200 | [diff] [blame] | 248 | -1, 0xE8, 0x85, 0x00, 0x78, |
| 249 | -1, 0xEA, 0x00, 0x00, |
| 250 | -1, 0xED, 0x64, 0x03, 0x12, 0x81, |
| 251 | -1, 0xF7, 0x20, |
| 252 | -1, 0xC0, 0x23, |
| 253 | -1, 0xC1, 0x10, |
| 254 | -1, 0xC5, 0x3E, 0x28, |
| 255 | -1, 0xC7, 0x86, |
| 256 | -1, MIPI_DCS_SET_ADDRESS_MODE, 0x28, |
| 257 | -1, MIPI_DCS_SET_PIXEL_FORMAT, 0x55, |
| 258 | -1, 0xB1, 0x00, 0x18, |
| 259 | -1, 0xB6, 0x08, 0x82, 0x27, |
| 260 | -1, 0xF2, 0x00, |
| 261 | -1, MIPI_DCS_SET_GAMMA_CURVE, 0x01, |
Aya Mahfouz | 73762b9 | 2015-02-19 05:02:24 +0200 | [diff] [blame] | 262 | -1, 0xE0, 0x0F, 0x31, 0x2B, 0x0C, 0x0E, 0x08, 0x4E, |
Priit Laes | a79cb39 | 2015-12-20 20:36:05 +0200 | [diff] [blame] | 263 | 0xF1, 0x37, 0x07, 0x10, 0x03, 0x0E, 0x09, 0x00, |
Aya Mahfouz | 73762b9 | 2015-02-19 05:02:24 +0200 | [diff] [blame] | 264 | -1, 0xE1, 0x00, 0x0E, 0x14, 0x03, 0x11, 0x07, 0x31, |
Priit Laes | a79cb39 | 2015-12-20 20:36:05 +0200 | [diff] [blame] | 265 | 0xC1, 0x48, 0x08, 0x0F, 0x0C, 0x31, 0x36, 0x0F, |
| 266 | -1, MIPI_DCS_EXIT_SLEEP_MODE, |
| 267 | -2, 120, |
| 268 | -1, MIPI_DCS_SET_DISPLAY_ON, |
| 269 | -1, MIPI_DCS_WRITE_MEMORY_START, |
| 270 | -3 |
| 271 | }; |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 272 | |
| 273 | /* Supported displays in alphabetical order */ |
| 274 | static struct fbtft_device_display displays[] = { |
| 275 | { |
| 276 | .name = "adafruit18", |
| 277 | .spi = &(struct spi_board_info) { |
| 278 | .modalias = "fb_st7735r", |
| 279 | .max_speed_hz = 32000000, |
| 280 | .mode = SPI_MODE_0, |
| 281 | .platform_data = &(struct fbtft_platform_data) { |
| 282 | .display = { |
| 283 | .buswidth = 8, |
| 284 | .backlight = 1, |
| 285 | }, |
| 286 | .gpios = (const struct fbtft_gpio []) { |
| 287 | { "reset", 25 }, |
| 288 | { "dc", 24 }, |
| 289 | { "led", 18 }, |
| 290 | {}, |
| 291 | }, |
| 292 | .gamma = ADAFRUIT18_GAMMA, |
| 293 | } |
| 294 | } |
| 295 | }, { |
| 296 | .name = "adafruit18_green", |
| 297 | .spi = &(struct spi_board_info) { |
| 298 | .modalias = "fb_st7735r", |
| 299 | .max_speed_hz = 4000000, |
| 300 | .mode = SPI_MODE_0, |
| 301 | .platform_data = &(struct fbtft_platform_data) { |
| 302 | .display = { |
| 303 | .buswidth = 8, |
| 304 | .backlight = 1, |
Anton Gerasimov | 6c604d6 | 2015-06-13 22:23:51 +0300 | [diff] [blame] | 305 | .fbtftops.set_addr_win = |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 306 | adafruit18_green_tab_set_addr_win, |
| 307 | }, |
| 308 | .bgr = true, |
| 309 | .gpios = (const struct fbtft_gpio []) { |
| 310 | { "reset", 25 }, |
| 311 | { "dc", 24 }, |
| 312 | { "led", 18 }, |
| 313 | {}, |
| 314 | }, |
| 315 | .gamma = ADAFRUIT18_GAMMA, |
| 316 | } |
| 317 | } |
| 318 | }, { |
| 319 | .name = "adafruit22", |
| 320 | .spi = &(struct spi_board_info) { |
| 321 | .modalias = "fb_hx8340bn", |
| 322 | .max_speed_hz = 32000000, |
| 323 | .mode = SPI_MODE_0, |
| 324 | .platform_data = &(struct fbtft_platform_data) { |
| 325 | .display = { |
| 326 | .buswidth = 9, |
| 327 | .backlight = 1, |
| 328 | }, |
| 329 | .bgr = true, |
| 330 | .gpios = (const struct fbtft_gpio []) { |
| 331 | { "reset", 25 }, |
| 332 | { "led", 23 }, |
| 333 | {}, |
| 334 | }, |
| 335 | } |
| 336 | } |
| 337 | }, { |
| 338 | .name = "adafruit22a", |
| 339 | .spi = &(struct spi_board_info) { |
| 340 | .modalias = "fb_ili9340", |
| 341 | .max_speed_hz = 32000000, |
| 342 | .mode = SPI_MODE_0, |
| 343 | .platform_data = &(struct fbtft_platform_data) { |
| 344 | .display = { |
| 345 | .buswidth = 8, |
| 346 | .backlight = 1, |
| 347 | }, |
| 348 | .bgr = true, |
| 349 | .gpios = (const struct fbtft_gpio []) { |
| 350 | { "reset", 25 }, |
| 351 | { "dc", 24 }, |
| 352 | { "led", 18 }, |
| 353 | {}, |
| 354 | }, |
| 355 | } |
| 356 | } |
| 357 | }, { |
| 358 | .name = "adafruit28", |
| 359 | .spi = &(struct spi_board_info) { |
| 360 | .modalias = "fb_ili9341", |
| 361 | .max_speed_hz = 32000000, |
| 362 | .mode = SPI_MODE_0, |
| 363 | .platform_data = &(struct fbtft_platform_data) { |
| 364 | .display = { |
| 365 | .buswidth = 8, |
| 366 | .backlight = 1, |
| 367 | }, |
| 368 | .bgr = true, |
| 369 | .gpios = (const struct fbtft_gpio []) { |
| 370 | { "reset", 25 }, |
| 371 | { "dc", 24 }, |
| 372 | { "led", 18 }, |
| 373 | {}, |
| 374 | }, |
| 375 | } |
| 376 | } |
| 377 | }, { |
| 378 | .name = "adafruit13m", |
| 379 | .spi = &(struct spi_board_info) { |
| 380 | .modalias = "fb_ssd1306", |
| 381 | .max_speed_hz = 16000000, |
| 382 | .mode = SPI_MODE_0, |
| 383 | .platform_data = &(struct fbtft_platform_data) { |
| 384 | .display = { |
| 385 | .buswidth = 8, |
| 386 | }, |
| 387 | .gpios = (const struct fbtft_gpio []) { |
| 388 | { "reset", 25 }, |
| 389 | { "dc", 24 }, |
| 390 | {}, |
| 391 | }, |
| 392 | } |
| 393 | } |
| 394 | }, { |
Dennis Menschel | e9f6806 | 2015-10-07 22:15:46 +0200 | [diff] [blame] | 395 | .name = "admatec_c-berry28", |
| 396 | .spi = &(struct spi_board_info) { |
| 397 | .modalias = "fb_st7789v", |
| 398 | .max_speed_hz = 48000000, |
| 399 | .mode = SPI_MODE_0, |
| 400 | .platform_data = &(struct fbtft_platform_data) { |
| 401 | .display = { |
| 402 | .buswidth = 8, |
| 403 | .backlight = 1, |
| 404 | .init_sequence = cberry28_init_sequence, |
| 405 | }, |
| 406 | .gpios = (const struct fbtft_gpio []) { |
| 407 | { "reset", 25 }, |
| 408 | { "dc", 22 }, |
| 409 | { "led", 18 }, |
| 410 | {}, |
| 411 | }, |
| 412 | .gamma = CBERRY28_GAMMA, |
| 413 | } |
| 414 | } |
| 415 | }, { |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 416 | .name = "agm1264k-fl", |
| 417 | .pdev = &(struct platform_device) { |
| 418 | .name = "fb_agm1264k-fl", |
| 419 | .id = 0, |
| 420 | .dev = { |
| 421 | .release = fbtft_device_pdev_release, |
| 422 | .platform_data = &(struct fbtft_platform_data) { |
| 423 | .display = { |
| 424 | .buswidth = 8, |
| 425 | .backlight = FBTFT_ONBOARD_BACKLIGHT, |
| 426 | }, |
| 427 | .gpios = (const struct fbtft_gpio []) { |
| 428 | {}, |
| 429 | }, |
| 430 | }, |
| 431 | } |
| 432 | } |
| 433 | }, { |
| 434 | .name = "dogs102", |
| 435 | .spi = &(struct spi_board_info) { |
| 436 | .modalias = "fb_uc1701", |
| 437 | .max_speed_hz = 8000000, |
| 438 | .mode = SPI_MODE_0, |
| 439 | .platform_data = &(struct fbtft_platform_data) { |
| 440 | .display = { |
| 441 | .buswidth = 8, |
| 442 | }, |
| 443 | .bgr = true, |
| 444 | .gpios = (const struct fbtft_gpio []) { |
| 445 | { "reset", 13 }, |
| 446 | { "dc", 6 }, |
| 447 | {}, |
| 448 | }, |
| 449 | } |
| 450 | } |
| 451 | }, { |
| 452 | .name = "er_tftm050_2", |
| 453 | .spi = &(struct spi_board_info) { |
| 454 | .modalias = "fb_ra8875", |
| 455 | .max_speed_hz = 5000000, |
| 456 | .mode = SPI_MODE_3, |
| 457 | .platform_data = &(struct fbtft_platform_data) { |
| 458 | .display = { |
| 459 | .buswidth = 8, |
| 460 | .backlight = 1, |
| 461 | .width = 480, |
| 462 | .height = 272, |
| 463 | }, |
| 464 | .bgr = true, |
| 465 | .gpios = (const struct fbtft_gpio []) { |
| 466 | { "reset", 25 }, |
| 467 | { "dc", 24 }, |
| 468 | {}, |
| 469 | }, |
| 470 | } |
| 471 | } |
| 472 | }, { |
| 473 | .name = "er_tftm070_5", |
| 474 | .spi = &(struct spi_board_info) { |
| 475 | .modalias = "fb_ra8875", |
| 476 | .max_speed_hz = 5000000, |
| 477 | .mode = SPI_MODE_3, |
| 478 | .platform_data = &(struct fbtft_platform_data) { |
| 479 | .display = { |
| 480 | .buswidth = 8, |
| 481 | .backlight = 1, |
| 482 | .width = 800, |
| 483 | .height = 480, |
| 484 | }, |
| 485 | .bgr = true, |
| 486 | .gpios = (const struct fbtft_gpio []) { |
| 487 | { "reset", 25 }, |
| 488 | { "dc", 24 }, |
| 489 | {}, |
| 490 | }, |
| 491 | } |
| 492 | } |
| 493 | }, { |
Henri Chain | a1560f9 | 2015-07-14 14:59:39 +0200 | [diff] [blame] | 494 | .name = "ew24ha0", |
| 495 | .spi = &(struct spi_board_info) { |
| 496 | .modalias = "fb_uc1611", |
| 497 | .max_speed_hz = 32000000, |
| 498 | .mode = SPI_MODE_3, |
| 499 | .platform_data = &(struct fbtft_platform_data) { |
| 500 | .display = { |
| 501 | .buswidth = 8, |
| 502 | }, |
| 503 | .gpios = (const struct fbtft_gpio []) { |
| 504 | { "dc", 24 }, |
| 505 | {}, |
| 506 | }, |
| 507 | } |
| 508 | } |
| 509 | }, { |
| 510 | .name = "ew24ha0_9bit", |
| 511 | .spi = &(struct spi_board_info) { |
| 512 | .modalias = "fb_uc1611", |
| 513 | .max_speed_hz = 32000000, |
| 514 | .mode = SPI_MODE_3, |
| 515 | .platform_data = &(struct fbtft_platform_data) { |
| 516 | .display = { |
| 517 | .buswidth = 9, |
| 518 | }, |
| 519 | .gpios = (const struct fbtft_gpio []) { |
| 520 | {}, |
| 521 | }, |
| 522 | } |
| 523 | } |
| 524 | }, { |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 525 | .name = "flexfb", |
| 526 | .spi = &(struct spi_board_info) { |
| 527 | .modalias = "flexfb", |
| 528 | .max_speed_hz = 32000000, |
| 529 | .mode = SPI_MODE_0, |
| 530 | .platform_data = &(struct fbtft_platform_data) { |
| 531 | .gpios = (const struct fbtft_gpio []) { |
| 532 | { "reset", 25 }, |
| 533 | { "dc", 24 }, |
| 534 | {}, |
| 535 | }, |
| 536 | } |
| 537 | } |
| 538 | }, { |
| 539 | .name = "flexpfb", |
| 540 | .pdev = &(struct platform_device) { |
| 541 | .name = "flexpfb", |
| 542 | .id = 0, |
| 543 | .dev = { |
| 544 | .release = fbtft_device_pdev_release, |
| 545 | .platform_data = &(struct fbtft_platform_data) { |
| 546 | .gpios = (const struct fbtft_gpio []) { |
| 547 | { "reset", 17 }, |
| 548 | { "dc", 1 }, |
| 549 | { "wr", 0 }, |
| 550 | { "cs", 21 }, |
| 551 | { "db00", 9 }, |
| 552 | { "db01", 11 }, |
| 553 | { "db02", 18 }, |
| 554 | { "db03", 23 }, |
| 555 | { "db04", 24 }, |
| 556 | { "db05", 25 }, |
| 557 | { "db06", 8 }, |
| 558 | { "db07", 7 }, |
| 559 | { "led", 4 }, |
| 560 | {}, |
| 561 | }, |
| 562 | }, |
| 563 | } |
| 564 | } |
| 565 | }, { |
| 566 | .name = "freetronicsoled128", |
| 567 | .spi = &(struct spi_board_info) { |
| 568 | .modalias = "fb_ssd1351", |
| 569 | .max_speed_hz = 20000000, |
| 570 | .mode = SPI_MODE_0, |
| 571 | .platform_data = &(struct fbtft_platform_data) { |
| 572 | .display = { |
| 573 | .buswidth = 8, |
| 574 | .backlight = FBTFT_ONBOARD_BACKLIGHT, |
| 575 | }, |
| 576 | .bgr = true, |
| 577 | .gpios = (const struct fbtft_gpio []) { |
| 578 | { "reset", 24 }, |
| 579 | { "dc", 25 }, |
| 580 | {}, |
| 581 | }, |
| 582 | } |
| 583 | } |
| 584 | }, { |
| 585 | .name = "hx8353d", |
| 586 | .spi = &(struct spi_board_info) { |
| 587 | .modalias = "fb_hx8353d", |
| 588 | .max_speed_hz = 16000000, |
| 589 | .mode = SPI_MODE_0, |
| 590 | .platform_data = &(struct fbtft_platform_data) { |
| 591 | .display = { |
| 592 | .buswidth = 8, |
| 593 | .backlight = 1, |
| 594 | }, |
| 595 | .gpios = (const struct fbtft_gpio []) { |
| 596 | { "reset", 25 }, |
| 597 | { "dc", 24 }, |
| 598 | { "led", 23 }, |
| 599 | {}, |
| 600 | }, |
| 601 | } |
| 602 | } |
| 603 | }, { |
| 604 | .name = "hy28a", |
| 605 | .spi = &(struct spi_board_info) { |
| 606 | .modalias = "fb_ili9320", |
| 607 | .max_speed_hz = 32000000, |
| 608 | .mode = SPI_MODE_3, |
| 609 | .platform_data = &(struct fbtft_platform_data) { |
| 610 | .display = { |
| 611 | .buswidth = 8, |
| 612 | .backlight = 1, |
| 613 | }, |
Geert Uytterhoeven | 153fe94 | 2015-03-20 16:21:58 +0100 | [diff] [blame] | 614 | .startbyte = 0x70, |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 615 | .bgr = true, |
| 616 | .gpios = (const struct fbtft_gpio []) { |
| 617 | { "reset", 25 }, |
| 618 | { "led", 18 }, |
| 619 | {}, |
| 620 | }, |
| 621 | } |
| 622 | } |
| 623 | }, { |
| 624 | .name = "hy28b", |
| 625 | .spi = &(struct spi_board_info) { |
| 626 | .modalias = "fb_ili9325", |
| 627 | .max_speed_hz = 48000000, |
| 628 | .mode = SPI_MODE_3, |
| 629 | .platform_data = &(struct fbtft_platform_data) { |
| 630 | .display = { |
| 631 | .buswidth = 8, |
| 632 | .backlight = 1, |
| 633 | .init_sequence = hy28b_init_sequence, |
| 634 | }, |
Geert Uytterhoeven | 153fe94 | 2015-03-20 16:21:58 +0100 | [diff] [blame] | 635 | .startbyte = 0x70, |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 636 | .bgr = true, |
Aya Mahfouz | 73762b9 | 2015-02-19 05:02:24 +0200 | [diff] [blame] | 637 | .fps = 50, |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 638 | .gpios = (const struct fbtft_gpio []) { |
| 639 | { "reset", 25 }, |
| 640 | { "led", 18 }, |
| 641 | {}, |
| 642 | }, |
| 643 | .gamma = HY28B_GAMMA, |
| 644 | } |
| 645 | } |
| 646 | }, { |
| 647 | .name = "ili9481", |
| 648 | .spi = &(struct spi_board_info) { |
| 649 | .modalias = "fb_ili9481", |
| 650 | .max_speed_hz = 32000000, |
| 651 | .mode = SPI_MODE_0, |
| 652 | .platform_data = &(struct fbtft_platform_data) { |
| 653 | .display = { |
| 654 | .regwidth = 16, |
| 655 | .buswidth = 8, |
| 656 | .backlight = 1, |
| 657 | }, |
| 658 | .bgr = true, |
| 659 | .gpios = (const struct fbtft_gpio []) { |
| 660 | { "reset", 25 }, |
| 661 | { "dc", 24 }, |
| 662 | { "led", 22 }, |
| 663 | {}, |
| 664 | }, |
| 665 | } |
| 666 | } |
| 667 | }, { |
| 668 | .name = "itdb24", |
| 669 | .pdev = &(struct platform_device) { |
| 670 | .name = "fb_s6d1121", |
| 671 | .id = 0, |
| 672 | .dev = { |
| 673 | .release = fbtft_device_pdev_release, |
| 674 | .platform_data = &(struct fbtft_platform_data) { |
| 675 | .display = { |
| 676 | .buswidth = 8, |
| 677 | .backlight = 1, |
| 678 | }, |
| 679 | .bgr = false, |
| 680 | .gpios = (const struct fbtft_gpio []) { |
| 681 | /* Wiring for LCD adapter kit */ |
| 682 | { "reset", 7 }, |
Anton Gerasimov | 8e56b95 | 2015-06-13 22:23:52 +0300 | [diff] [blame] | 683 | { "dc", 0 }, /* rev 2: 2 */ |
| 684 | { "wr", 1 }, /* rev 2: 3 */ |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 685 | { "cs", 8 }, |
| 686 | { "db00", 17 }, |
| 687 | { "db01", 18 }, |
| 688 | { "db02", 21 }, /* rev 2: 27 */ |
| 689 | { "db03", 22 }, |
| 690 | { "db04", 23 }, |
| 691 | { "db05", 24 }, |
| 692 | { "db06", 25 }, |
| 693 | { "db07", 4 }, |
| 694 | {} |
| 695 | }, |
| 696 | }, |
| 697 | } |
| 698 | } |
| 699 | }, { |
| 700 | .name = "itdb28", |
| 701 | .pdev = &(struct platform_device) { |
| 702 | .name = "fb_ili9325", |
| 703 | .id = 0, |
| 704 | .dev = { |
| 705 | .release = fbtft_device_pdev_release, |
| 706 | .platform_data = &(struct fbtft_platform_data) { |
| 707 | .display = { |
| 708 | .buswidth = 8, |
| 709 | .backlight = 1, |
| 710 | }, |
| 711 | .bgr = true, |
| 712 | .gpios = (const struct fbtft_gpio []) { |
| 713 | {}, |
| 714 | }, |
| 715 | }, |
| 716 | } |
| 717 | } |
| 718 | }, { |
| 719 | .name = "itdb28_spi", |
| 720 | .spi = &(struct spi_board_info) { |
| 721 | .modalias = "fb_ili9325", |
| 722 | .max_speed_hz = 32000000, |
| 723 | .mode = SPI_MODE_0, |
| 724 | .platform_data = &(struct fbtft_platform_data) { |
| 725 | .display = { |
| 726 | .buswidth = 8, |
| 727 | .backlight = 1, |
| 728 | }, |
| 729 | .bgr = true, |
| 730 | .gpios = (const struct fbtft_gpio []) { |
| 731 | { "reset", 25 }, |
| 732 | { "dc", 24 }, |
| 733 | {}, |
| 734 | }, |
| 735 | } |
| 736 | } |
| 737 | }, { |
| 738 | .name = "mi0283qt-2", |
| 739 | .spi = &(struct spi_board_info) { |
| 740 | .modalias = "fb_hx8347d", |
| 741 | .max_speed_hz = 32000000, |
| 742 | .mode = SPI_MODE_0, |
| 743 | .platform_data = &(struct fbtft_platform_data) { |
| 744 | .display = { |
| 745 | .buswidth = 8, |
| 746 | .backlight = 1, |
| 747 | }, |
Geert Uytterhoeven | 153fe94 | 2015-03-20 16:21:58 +0100 | [diff] [blame] | 748 | .startbyte = 0x70, |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 749 | .bgr = true, |
| 750 | .gpios = (const struct fbtft_gpio []) { |
| 751 | { "reset", 25 }, |
| 752 | { "dc", 24 }, |
| 753 | { "led", 18 }, |
| 754 | {}, |
| 755 | }, |
| 756 | } |
| 757 | } |
| 758 | }, { |
| 759 | .name = "mi0283qt-9a", |
| 760 | .spi = &(struct spi_board_info) { |
| 761 | .modalias = "fb_ili9341", |
| 762 | .max_speed_hz = 32000000, |
| 763 | .mode = SPI_MODE_0, |
| 764 | .platform_data = &(struct fbtft_platform_data) { |
| 765 | .display = { |
| 766 | .buswidth = 9, |
| 767 | .backlight = 1, |
| 768 | }, |
| 769 | .bgr = true, |
| 770 | .gpios = (const struct fbtft_gpio []) { |
| 771 | { "reset", 25 }, |
| 772 | { "led", 18 }, |
| 773 | {}, |
| 774 | }, |
| 775 | } |
| 776 | } |
| 777 | }, { |
| 778 | .name = "mi0283qt-v2", |
| 779 | .spi = &(struct spi_board_info) { |
| 780 | .modalias = "fb_watterott", |
| 781 | .max_speed_hz = 4000000, |
| 782 | .mode = SPI_MODE_3, |
| 783 | .platform_data = &(struct fbtft_platform_data) { |
| 784 | .gpios = (const struct fbtft_gpio []) { |
| 785 | { "reset", 25 }, |
| 786 | {}, |
| 787 | }, |
| 788 | } |
| 789 | } |
| 790 | }, { |
| 791 | .name = "nokia3310", |
| 792 | .spi = &(struct spi_board_info) { |
| 793 | .modalias = "fb_pcd8544", |
| 794 | .max_speed_hz = 400000, |
| 795 | .mode = SPI_MODE_0, |
| 796 | .platform_data = &(struct fbtft_platform_data) { |
| 797 | .display = { |
| 798 | .buswidth = 8, |
| 799 | }, |
| 800 | .gpios = (const struct fbtft_gpio []) { |
| 801 | { "reset", 25 }, |
| 802 | { "dc", 24 }, |
| 803 | { "led", 23 }, |
| 804 | {}, |
| 805 | }, |
| 806 | } |
| 807 | } |
| 808 | }, { |
| 809 | .name = "nokia3310a", |
| 810 | .spi = &(struct spi_board_info) { |
| 811 | .modalias = "fb_tls8204", |
| 812 | .max_speed_hz = 1000000, |
| 813 | .mode = SPI_MODE_0, |
| 814 | .platform_data = &(struct fbtft_platform_data) { |
| 815 | .display = { |
| 816 | .buswidth = 8, |
| 817 | }, |
| 818 | .gpios = (const struct fbtft_gpio []) { |
| 819 | { "reset", 25 }, |
| 820 | { "dc", 24 }, |
| 821 | { "led", 23 }, |
| 822 | {}, |
| 823 | }, |
| 824 | } |
| 825 | } |
| 826 | }, { |
Kozhevnikov Anatoly | 3b143b5 | 2015-03-20 18:37:54 +0300 | [diff] [blame] | 827 | .name = "nokia5110", |
| 828 | .spi = &(struct spi_board_info) { |
| 829 | .modalias = "fb_ili9163", |
| 830 | .max_speed_hz = 12000000, |
| 831 | .mode = SPI_MODE_0, |
| 832 | .platform_data = &(struct fbtft_platform_data) { |
| 833 | .display = { |
| 834 | .buswidth = 8, |
| 835 | .backlight = 1, |
| 836 | }, |
| 837 | .bgr = true, |
| 838 | .gpios = (const struct fbtft_gpio []) { |
| 839 | {}, |
| 840 | }, |
| 841 | } |
| 842 | } |
| 843 | }, { |
| 844 | |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 845 | .name = "piscreen", |
| 846 | .spi = &(struct spi_board_info) { |
| 847 | .modalias = "fb_ili9486", |
| 848 | .max_speed_hz = 32000000, |
| 849 | .mode = SPI_MODE_0, |
| 850 | .platform_data = &(struct fbtft_platform_data) { |
| 851 | .display = { |
| 852 | .regwidth = 16, |
| 853 | .buswidth = 8, |
| 854 | .backlight = 1, |
| 855 | }, |
| 856 | .bgr = true, |
| 857 | .gpios = (const struct fbtft_gpio []) { |
| 858 | { "reset", 25 }, |
| 859 | { "dc", 24 }, |
| 860 | { "led", 22 }, |
| 861 | {}, |
| 862 | }, |
| 863 | } |
| 864 | } |
| 865 | }, { |
| 866 | .name = "pitft", |
| 867 | .spi = &(struct spi_board_info) { |
| 868 | .modalias = "fb_ili9340", |
| 869 | .max_speed_hz = 32000000, |
| 870 | .mode = SPI_MODE_0, |
| 871 | .chip_select = 0, |
| 872 | .platform_data = &(struct fbtft_platform_data) { |
| 873 | .display = { |
| 874 | .buswidth = 8, |
| 875 | .backlight = 1, |
| 876 | .init_sequence = pitft_init_sequence, |
| 877 | }, |
| 878 | .bgr = true, |
| 879 | .gpios = (const struct fbtft_gpio []) { |
| 880 | { "dc", 25 }, |
| 881 | {}, |
| 882 | }, |
| 883 | } |
| 884 | } |
| 885 | }, { |
| 886 | .name = "pioled", |
| 887 | .spi = &(struct spi_board_info) { |
| 888 | .modalias = "fb_ssd1351", |
| 889 | .max_speed_hz = 20000000, |
| 890 | .mode = SPI_MODE_0, |
| 891 | .platform_data = &(struct fbtft_platform_data) { |
| 892 | .display = { |
| 893 | .buswidth = 8, |
| 894 | }, |
| 895 | .bgr = true, |
| 896 | .gpios = (const struct fbtft_gpio []) { |
| 897 | { "reset", 24 }, |
| 898 | { "dc", 25 }, |
| 899 | {}, |
| 900 | }, |
Anton Gerasimov | 6c604d6 | 2015-06-13 22:23:51 +0300 | [diff] [blame] | 901 | .gamma = "0 2 2 2 2 2 2 2 " |
| 902 | "2 2 2 2 2 2 2 2 " |
| 903 | "2 2 2 2 2 2 2 2 " |
| 904 | "2 2 2 2 2 2 2 3 " |
| 905 | "3 3 3 3 3 3 3 3 " |
| 906 | "3 3 3 3 3 3 3 3 " |
| 907 | "3 3 3 4 4 4 4 4 " |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 908 | "4 4 4 4 4 4 4" |
| 909 | } |
| 910 | } |
| 911 | }, { |
| 912 | .name = "rpi-display", |
| 913 | .spi = &(struct spi_board_info) { |
| 914 | .modalias = "fb_ili9341", |
| 915 | .max_speed_hz = 32000000, |
| 916 | .mode = SPI_MODE_0, |
| 917 | .platform_data = &(struct fbtft_platform_data) { |
| 918 | .display = { |
| 919 | .buswidth = 8, |
| 920 | .backlight = 1, |
| 921 | }, |
| 922 | .bgr = true, |
| 923 | .gpios = (const struct fbtft_gpio []) { |
| 924 | { "reset", 23 }, |
| 925 | { "dc", 24 }, |
| 926 | { "led", 18 }, |
| 927 | {}, |
| 928 | }, |
| 929 | } |
| 930 | } |
| 931 | }, { |
| 932 | .name = "s6d02a1", |
| 933 | .spi = &(struct spi_board_info) { |
| 934 | .modalias = "fb_s6d02a1", |
| 935 | .max_speed_hz = 32000000, |
| 936 | .mode = SPI_MODE_0, |
| 937 | .platform_data = &(struct fbtft_platform_data) { |
| 938 | .display = { |
| 939 | .buswidth = 8, |
| 940 | .backlight = 1, |
| 941 | }, |
| 942 | .bgr = true, |
| 943 | .gpios = (const struct fbtft_gpio []) { |
| 944 | { "reset", 25 }, |
| 945 | { "dc", 24 }, |
| 946 | { "led", 23 }, |
| 947 | {}, |
| 948 | }, |
| 949 | } |
| 950 | } |
| 951 | }, { |
| 952 | .name = "sainsmart18", |
| 953 | .spi = &(struct spi_board_info) { |
| 954 | .modalias = "fb_st7735r", |
| 955 | .max_speed_hz = 32000000, |
| 956 | .mode = SPI_MODE_0, |
| 957 | .platform_data = &(struct fbtft_platform_data) { |
| 958 | .display = { |
| 959 | .buswidth = 8, |
| 960 | }, |
| 961 | .gpios = (const struct fbtft_gpio []) { |
| 962 | { "reset", 25 }, |
| 963 | { "dc", 24 }, |
| 964 | {}, |
| 965 | }, |
| 966 | } |
| 967 | } |
| 968 | }, { |
| 969 | .name = "sainsmart32", |
| 970 | .pdev = &(struct platform_device) { |
| 971 | .name = "fb_ssd1289", |
| 972 | .id = 0, |
| 973 | .dev = { |
| 974 | .release = fbtft_device_pdev_release, |
| 975 | .platform_data = &(struct fbtft_platform_data) { |
| 976 | .display = { |
| 977 | .buswidth = 16, |
| 978 | .txbuflen = -2, /* disable buffer */ |
| 979 | .backlight = 1, |
| 980 | .fbtftops.write = write_gpio16_wr_slow, |
| 981 | }, |
| 982 | .bgr = true, |
| 983 | .gpios = (const struct fbtft_gpio []) { |
| 984 | {}, |
| 985 | }, |
| 986 | }, |
| 987 | }, |
| 988 | } |
| 989 | }, { |
| 990 | .name = "sainsmart32_fast", |
| 991 | .pdev = &(struct platform_device) { |
| 992 | .name = "fb_ssd1289", |
| 993 | .id = 0, |
| 994 | .dev = { |
| 995 | .release = fbtft_device_pdev_release, |
| 996 | .platform_data = &(struct fbtft_platform_data) { |
| 997 | .display = { |
| 998 | .buswidth = 16, |
| 999 | .txbuflen = -2, /* disable buffer */ |
| 1000 | .backlight = 1, |
| 1001 | }, |
| 1002 | .bgr = true, |
| 1003 | .gpios = (const struct fbtft_gpio []) { |
| 1004 | {}, |
| 1005 | }, |
| 1006 | }, |
| 1007 | }, |
| 1008 | } |
| 1009 | }, { |
| 1010 | .name = "sainsmart32_latched", |
| 1011 | .pdev = &(struct platform_device) { |
| 1012 | .name = "fb_ssd1289", |
| 1013 | .id = 0, |
| 1014 | .dev = { |
| 1015 | .release = fbtft_device_pdev_release, |
| 1016 | .platform_data = &(struct fbtft_platform_data) { |
| 1017 | .display = { |
| 1018 | .buswidth = 16, |
| 1019 | .txbuflen = -2, /* disable buffer */ |
| 1020 | .backlight = 1, |
Anton Gerasimov | 6c604d6 | 2015-06-13 22:23:51 +0300 | [diff] [blame] | 1021 | .fbtftops.write = |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1022 | fbtft_write_gpio16_wr_latched, |
| 1023 | }, |
| 1024 | .bgr = true, |
| 1025 | .gpios = (const struct fbtft_gpio []) { |
| 1026 | {}, |
| 1027 | }, |
| 1028 | }, |
| 1029 | }, |
| 1030 | } |
| 1031 | }, { |
| 1032 | .name = "sainsmart32_spi", |
| 1033 | .spi = &(struct spi_board_info) { |
| 1034 | .modalias = "fb_ssd1289", |
| 1035 | .max_speed_hz = 16000000, |
| 1036 | .mode = SPI_MODE_0, |
| 1037 | .platform_data = &(struct fbtft_platform_data) { |
| 1038 | .display = { |
| 1039 | .buswidth = 8, |
| 1040 | .backlight = 1, |
| 1041 | }, |
| 1042 | .bgr = true, |
| 1043 | .gpios = (const struct fbtft_gpio []) { |
| 1044 | { "reset", 25 }, |
| 1045 | { "dc", 24 }, |
| 1046 | {}, |
| 1047 | }, |
| 1048 | } |
| 1049 | } |
| 1050 | }, { |
| 1051 | .name = "spidev", |
| 1052 | .spi = &(struct spi_board_info) { |
| 1053 | .modalias = "spidev", |
| 1054 | .max_speed_hz = 500000, |
| 1055 | .bus_num = 0, |
| 1056 | .chip_select = 0, |
| 1057 | .mode = SPI_MODE_0, |
| 1058 | .platform_data = &(struct fbtft_platform_data) { |
| 1059 | .gpios = (const struct fbtft_gpio []) { |
| 1060 | {}, |
| 1061 | }, |
| 1062 | } |
| 1063 | } |
| 1064 | }, { |
| 1065 | .name = "ssd1331", |
| 1066 | .spi = &(struct spi_board_info) { |
| 1067 | .modalias = "fb_ssd1331", |
| 1068 | .max_speed_hz = 20000000, |
| 1069 | .mode = SPI_MODE_3, |
| 1070 | .platform_data = &(struct fbtft_platform_data) { |
| 1071 | .display = { |
| 1072 | .buswidth = 8, |
| 1073 | }, |
| 1074 | .gpios = (const struct fbtft_gpio []) { |
| 1075 | { "reset", 24 }, |
| 1076 | { "dc", 25 }, |
| 1077 | {}, |
| 1078 | }, |
| 1079 | } |
| 1080 | } |
| 1081 | }, { |
| 1082 | .name = "tinylcd35", |
| 1083 | .spi = &(struct spi_board_info) { |
| 1084 | .modalias = "fb_tinylcd", |
| 1085 | .max_speed_hz = 32000000, |
| 1086 | .mode = SPI_MODE_0, |
| 1087 | .platform_data = &(struct fbtft_platform_data) { |
| 1088 | .display = { |
| 1089 | .buswidth = 8, |
| 1090 | .backlight = 1, |
| 1091 | }, |
| 1092 | .bgr = true, |
| 1093 | .gpios = (const struct fbtft_gpio []) { |
| 1094 | { "reset", 25 }, |
| 1095 | { "dc", 24 }, |
| 1096 | { "led", 18 }, |
| 1097 | {}, |
| 1098 | }, |
| 1099 | } |
| 1100 | } |
| 1101 | }, { |
| 1102 | .name = "tm022hdh26", |
| 1103 | .spi = &(struct spi_board_info) { |
| 1104 | .modalias = "fb_ili9341", |
| 1105 | .max_speed_hz = 32000000, |
| 1106 | .mode = SPI_MODE_0, |
| 1107 | .platform_data = &(struct fbtft_platform_data) { |
| 1108 | .display = { |
| 1109 | .buswidth = 8, |
| 1110 | .backlight = 1, |
| 1111 | }, |
| 1112 | .bgr = true, |
| 1113 | .gpios = (const struct fbtft_gpio []) { |
| 1114 | { "reset", 25 }, |
| 1115 | { "dc", 24 }, |
| 1116 | { "led", 18 }, |
| 1117 | {}, |
| 1118 | }, |
| 1119 | } |
| 1120 | } |
| 1121 | }, { |
| 1122 | .name = "tontec35_9481", /* boards before 02 July 2014 */ |
| 1123 | .spi = &(struct spi_board_info) { |
| 1124 | .modalias = "fb_ili9481", |
| 1125 | .max_speed_hz = 128000000, |
| 1126 | .mode = SPI_MODE_3, |
| 1127 | .platform_data = &(struct fbtft_platform_data) { |
| 1128 | .display = { |
| 1129 | .buswidth = 8, |
| 1130 | .backlight = 1, |
| 1131 | }, |
| 1132 | .bgr = true, |
| 1133 | .gpios = (const struct fbtft_gpio []) { |
| 1134 | { "reset", 15 }, |
| 1135 | { "dc", 25 }, |
| 1136 | { "led_", 18 }, |
| 1137 | {}, |
| 1138 | }, |
| 1139 | } |
| 1140 | } |
| 1141 | }, { |
| 1142 | .name = "tontec35_9486", /* boards after 02 July 2014 */ |
| 1143 | .spi = &(struct spi_board_info) { |
| 1144 | .modalias = "fb_ili9486", |
| 1145 | .max_speed_hz = 128000000, |
| 1146 | .mode = SPI_MODE_3, |
| 1147 | .platform_data = &(struct fbtft_platform_data) { |
| 1148 | .display = { |
| 1149 | .buswidth = 8, |
| 1150 | .backlight = 1, |
| 1151 | }, |
| 1152 | .bgr = true, |
| 1153 | .gpios = (const struct fbtft_gpio []) { |
| 1154 | { "reset", 15 }, |
| 1155 | { "dc", 25 }, |
| 1156 | { "led_", 18 }, |
| 1157 | {}, |
| 1158 | }, |
| 1159 | } |
| 1160 | } |
| 1161 | }, { |
| 1162 | .name = "upd161704", |
| 1163 | .spi = &(struct spi_board_info) { |
| 1164 | .modalias = "fb_upd161704", |
| 1165 | .max_speed_hz = 32000000, |
| 1166 | .mode = SPI_MODE_0, |
| 1167 | .platform_data = &(struct fbtft_platform_data) { |
| 1168 | .display = { |
| 1169 | .buswidth = 8, |
| 1170 | }, |
| 1171 | .gpios = (const struct fbtft_gpio []) { |
| 1172 | { "reset", 24 }, |
| 1173 | { "dc", 25 }, |
| 1174 | {}, |
| 1175 | }, |
| 1176 | } |
| 1177 | } |
| 1178 | }, { |
| 1179 | .name = "waveshare32b", |
| 1180 | .spi = &(struct spi_board_info) { |
| 1181 | .modalias = "fb_ili9340", |
| 1182 | .max_speed_hz = 48000000, |
| 1183 | .mode = SPI_MODE_0, |
| 1184 | .platform_data = &(struct fbtft_platform_data) { |
| 1185 | .display = { |
| 1186 | .buswidth = 8, |
| 1187 | .backlight = 1, |
Anton Gerasimov | 3c58845 | 2015-06-13 22:23:47 +0300 | [diff] [blame] | 1188 | .init_sequence = |
| 1189 | waveshare32b_init_sequence, |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1190 | }, |
| 1191 | .bgr = true, |
| 1192 | .gpios = (const struct fbtft_gpio []) { |
| 1193 | { "reset", 27 }, |
| 1194 | { "dc", 22 }, |
| 1195 | {}, |
| 1196 | }, |
| 1197 | } |
| 1198 | } |
| 1199 | }, { |
| 1200 | .name = "waveshare22", |
| 1201 | .spi = &(struct spi_board_info) { |
| 1202 | .modalias = "fb_bd663474", |
| 1203 | .max_speed_hz = 32000000, |
| 1204 | .mode = SPI_MODE_3, |
| 1205 | .platform_data = &(struct fbtft_platform_data) { |
| 1206 | .display = { |
| 1207 | .buswidth = 8, |
| 1208 | }, |
| 1209 | .gpios = (const struct fbtft_gpio []) { |
| 1210 | { "reset", 24 }, |
| 1211 | { "dc", 25 }, |
| 1212 | {}, |
| 1213 | }, |
| 1214 | } |
| 1215 | } |
| 1216 | }, { |
| 1217 | /* This should be the last item. |
Anson Jacob | fe9b610 | 2016-08-25 11:31:58 -0400 | [diff] [blame] | 1218 | * Used with the custom argument |
| 1219 | */ |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1220 | .name = "", |
| 1221 | .spi = &(struct spi_board_info) { |
| 1222 | .modalias = "", |
| 1223 | .max_speed_hz = 0, |
| 1224 | .mode = SPI_MODE_0, |
| 1225 | .platform_data = &(struct fbtft_platform_data) { |
| 1226 | .gpios = (const struct fbtft_gpio []) { |
| 1227 | {}, |
| 1228 | }, |
| 1229 | } |
| 1230 | }, |
| 1231 | .pdev = &(struct platform_device) { |
| 1232 | .name = "", |
| 1233 | .id = 0, |
| 1234 | .dev = { |
| 1235 | .release = fbtft_device_pdev_release, |
| 1236 | .platform_data = &(struct fbtft_platform_data) { |
| 1237 | .gpios = (const struct fbtft_gpio []) { |
| 1238 | {}, |
| 1239 | }, |
| 1240 | }, |
| 1241 | }, |
| 1242 | }, |
| 1243 | } |
| 1244 | }; |
| 1245 | |
| 1246 | static int write_gpio16_wr_slow(struct fbtft_par *par, void *buf, size_t len) |
| 1247 | { |
| 1248 | u16 data; |
| 1249 | int i; |
| 1250 | #ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO |
| 1251 | static u16 prev_data; |
| 1252 | #endif |
| 1253 | |
| 1254 | fbtft_par_dbg_hex(DEBUG_WRITE, par, par->info->device, u8, buf, len, |
| 1255 | "%s(len=%d): ", __func__, len); |
| 1256 | |
| 1257 | while (len) { |
Sandhya Bankar | 8cd977c | 2016-03-18 14:56:31 +0530 | [diff] [blame] | 1258 | data = *(u16 *)buf; |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1259 | |
| 1260 | /* Start writing by pulling down /WR */ |
| 1261 | gpio_set_value(par->gpio.wr, 0); |
| 1262 | |
| 1263 | /* Set data */ |
| 1264 | #ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO |
| 1265 | if (data == prev_data) { |
| 1266 | gpio_set_value(par->gpio.wr, 0); /* used as delay */ |
| 1267 | } else { |
| 1268 | for (i = 0; i < 16; i++) { |
| 1269 | if ((data & 1) != (prev_data & 1)) |
| 1270 | gpio_set_value(par->gpio.db[i], |
Aya Mahfouz | b30367c | 2015-03-10 19:08:40 +0200 | [diff] [blame] | 1271 | data & 1); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1272 | data >>= 1; |
| 1273 | prev_data >>= 1; |
| 1274 | } |
| 1275 | } |
| 1276 | #else |
| 1277 | for (i = 0; i < 16; i++) { |
Aya Mahfouz | b30367c | 2015-03-10 19:08:40 +0200 | [diff] [blame] | 1278 | gpio_set_value(par->gpio.db[i], data & 1); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1279 | data >>= 1; |
| 1280 | } |
| 1281 | #endif |
| 1282 | |
| 1283 | /* Pullup /WR */ |
| 1284 | gpio_set_value(par->gpio.wr, 1); |
| 1285 | |
| 1286 | #ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO |
Sandhya Bankar | 8cd977c | 2016-03-18 14:56:31 +0530 | [diff] [blame] | 1287 | prev_data = *(u16 *)buf; |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1288 | #endif |
| 1289 | buf += 2; |
| 1290 | len -= 2; |
| 1291 | } |
| 1292 | |
| 1293 | return 0; |
| 1294 | } |
| 1295 | |
| 1296 | static void adafruit18_green_tab_set_addr_win(struct fbtft_par *par, |
| 1297 | int xs, int ys, int xe, int ye) |
| 1298 | { |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1299 | write_reg(par, 0x2A, 0, xs + 2, 0, xe + 2); |
| 1300 | write_reg(par, 0x2B, 0, ys + 1, 0, ye + 1); |
| 1301 | write_reg(par, 0x2C); |
| 1302 | } |
| 1303 | |
| 1304 | /* used if gpios parameter is present */ |
Anish Bhatt | 94c0a54 | 2015-09-03 00:53:37 -0700 | [diff] [blame] | 1305 | static struct fbtft_gpio fbtft_device_param_gpios[MAX_GPIOS + 1] = { }; |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1306 | |
| 1307 | static void fbtft_device_pdev_release(struct device *dev) |
| 1308 | { |
| 1309 | /* Needed to silence this message: |
Anson Jacob | fe9b610 | 2016-08-25 11:31:58 -0400 | [diff] [blame] | 1310 | * Device 'xxx' does not have a release() function, |
| 1311 | * it is broken and must be fixed |
| 1312 | */ |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1313 | } |
| 1314 | |
| 1315 | static int spi_device_found(struct device *dev, void *data) |
| 1316 | { |
Geliang Tang | 5d5ccf2 | 2015-12-23 00:18:43 +0800 | [diff] [blame] | 1317 | struct spi_device *spi = to_spi_device(dev); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1318 | |
Sudip Mukherjee | 962539a | 2015-09-11 18:28:51 +0530 | [diff] [blame] | 1319 | dev_info(dev, "%s %s %dkHz %d bits mode=0x%02X\n", spi->modalias, |
| 1320 | dev_name(dev), spi->max_speed_hz / 1000, spi->bits_per_word, |
| 1321 | spi->mode); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1322 | |
| 1323 | return 0; |
| 1324 | } |
| 1325 | |
| 1326 | static void pr_spi_devices(void) |
| 1327 | { |
Sudip Mukherjee | e714b7e | 2015-09-11 18:28:53 +0530 | [diff] [blame] | 1328 | pr_debug("SPI devices registered:\n"); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1329 | bus_for_each_dev(&spi_bus_type, NULL, NULL, spi_device_found); |
| 1330 | } |
| 1331 | |
| 1332 | static int p_device_found(struct device *dev, void *data) |
| 1333 | { |
| 1334 | struct platform_device |
Geliang Tang | f6bfc25 | 2015-12-27 21:15:46 +0800 | [diff] [blame] | 1335 | *pdev = to_platform_device(dev); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1336 | |
| 1337 | if (strstr(pdev->name, "fb")) |
Sudip Mukherjee | 962539a | 2015-09-11 18:28:51 +0530 | [diff] [blame] | 1338 | dev_info(dev, "%s id=%d pdata? %s\n", pdev->name, pdev->id, |
| 1339 | pdev->dev.platform_data ? "yes" : "no"); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1340 | |
| 1341 | return 0; |
| 1342 | } |
| 1343 | |
| 1344 | static void pr_p_devices(void) |
| 1345 | { |
Sudip Mukherjee | e714b7e | 2015-09-11 18:28:53 +0530 | [diff] [blame] | 1346 | pr_debug("'fb' Platform devices registered:\n"); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1347 | bus_for_each_dev(&platform_bus_type, NULL, NULL, p_device_found); |
| 1348 | } |
| 1349 | |
| 1350 | #ifdef MODULE |
Ming Yang | 1c41494 | 2016-07-17 19:13:18 -0700 | [diff] [blame] | 1351 | static void fbtft_device_spi_delete(struct spi_master *master, unsigned int cs) |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1352 | { |
| 1353 | struct device *dev; |
| 1354 | char str[32]; |
| 1355 | |
| 1356 | snprintf(str, sizeof(str), "%s.%u", dev_name(&master->dev), cs); |
| 1357 | |
| 1358 | dev = bus_find_device_by_name(&spi_bus_type, NULL, str); |
| 1359 | if (dev) { |
| 1360 | if (verbose) |
Sudip Mukherjee | 962539a | 2015-09-11 18:28:51 +0530 | [diff] [blame] | 1361 | dev_info(dev, "Deleting %s\n", str); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1362 | device_del(dev); |
| 1363 | } |
| 1364 | } |
| 1365 | |
| 1366 | static int fbtft_device_spi_device_register(struct spi_board_info *spi) |
| 1367 | { |
| 1368 | struct spi_master *master; |
| 1369 | |
| 1370 | master = spi_busnum_to_master(spi->bus_num); |
| 1371 | if (!master) { |
Sudip Mukherjee | 805dead | 2015-09-11 18:28:52 +0530 | [diff] [blame] | 1372 | pr_err("spi_busnum_to_master(%d) returned NULL\n", |
| 1373 | spi->bus_num); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1374 | return -EINVAL; |
| 1375 | } |
| 1376 | /* make sure it's available */ |
| 1377 | fbtft_device_spi_delete(master, spi->chip_select); |
| 1378 | spi_device = spi_new_device(master, spi); |
| 1379 | put_device(&master->dev); |
| 1380 | if (!spi_device) { |
Sudip Mukherjee | 962539a | 2015-09-11 18:28:51 +0530 | [diff] [blame] | 1381 | dev_err(&master->dev, "spi_new_device() returned NULL\n"); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1382 | return -EPERM; |
| 1383 | } |
| 1384 | return 0; |
| 1385 | } |
| 1386 | #else |
| 1387 | static int fbtft_device_spi_device_register(struct spi_board_info *spi) |
| 1388 | { |
| 1389 | return spi_register_board_info(spi, 1); |
| 1390 | } |
| 1391 | #endif |
| 1392 | |
| 1393 | static int __init fbtft_device_init(void) |
| 1394 | { |
| 1395 | struct spi_board_info *spi = NULL; |
| 1396 | struct fbtft_platform_data *pdata; |
| 1397 | const struct fbtft_gpio *gpio = NULL; |
| 1398 | char *p_gpio, *p_name, *p_num; |
| 1399 | bool found = false; |
| 1400 | int i = 0; |
| 1401 | long val; |
| 1402 | int ret = 0; |
| 1403 | |
Sandhya Bankar | 604e383 | 2016-09-18 04:41:39 +0530 | [diff] [blame] | 1404 | if (!name) { |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1405 | #ifdef MODULE |
Sudip Mukherjee | 805dead | 2015-09-11 18:28:52 +0530 | [diff] [blame] | 1406 | pr_err("missing module parameter: 'name'\n"); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1407 | return -EINVAL; |
| 1408 | #else |
| 1409 | return 0; |
| 1410 | #endif |
| 1411 | } |
| 1412 | |
| 1413 | if (init_num > FBTFT_MAX_INIT_SEQUENCE) { |
Sudip Mukherjee | 805dead | 2015-09-11 18:28:52 +0530 | [diff] [blame] | 1414 | pr_err("init parameter: exceeded max array size: %d\n", |
| 1415 | FBTFT_MAX_INIT_SEQUENCE); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1416 | return -EINVAL; |
| 1417 | } |
| 1418 | |
| 1419 | /* parse module parameter: gpios */ |
| 1420 | while ((p_gpio = strsep(&gpios, ","))) { |
Carlos Palminha | 52b4f6e | 2016-09-29 13:03:30 +0100 | [diff] [blame] | 1421 | if (!strchr(p_gpio, ':')) { |
Sudip Mukherjee | 805dead | 2015-09-11 18:28:52 +0530 | [diff] [blame] | 1422 | pr_err("error: missing ':' in gpios parameter: %s\n", |
| 1423 | p_gpio); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1424 | return -EINVAL; |
| 1425 | } |
| 1426 | p_num = p_gpio; |
| 1427 | p_name = strsep(&p_num, ":"); |
Carlos Palminha | 52b4f6e | 2016-09-29 13:03:30 +0100 | [diff] [blame] | 1428 | if (!p_name || !p_num) { |
Sudip Mukherjee | 805dead | 2015-09-11 18:28:52 +0530 | [diff] [blame] | 1429 | pr_err("something bad happened parsing gpios parameter: %s\n", |
| 1430 | p_gpio); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1431 | return -EINVAL; |
| 1432 | } |
| 1433 | ret = kstrtol(p_num, 10, &val); |
| 1434 | if (ret) { |
Sudip Mukherjee | 805dead | 2015-09-11 18:28:52 +0530 | [diff] [blame] | 1435 | pr_err("could not parse number in gpios parameter: %s:%s\n", |
| 1436 | p_name, p_num); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1437 | return -EINVAL; |
| 1438 | } |
Sudip Mukherjee | eb6a2db | 2015-09-05 19:13:43 +0530 | [diff] [blame] | 1439 | strncpy(fbtft_device_param_gpios[i].name, p_name, |
| 1440 | FBTFT_GPIO_NAME_SIZE - 1); |
Sandhya Bankar | 8cd977c | 2016-03-18 14:56:31 +0530 | [diff] [blame] | 1441 | fbtft_device_param_gpios[i++].gpio = (int)val; |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1442 | if (i == MAX_GPIOS) { |
Sudip Mukherjee | 805dead | 2015-09-11 18:28:52 +0530 | [diff] [blame] | 1443 | pr_err("gpios parameter: exceeded max array size: %d\n", |
| 1444 | MAX_GPIOS); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1445 | return -EINVAL; |
| 1446 | } |
| 1447 | } |
| 1448 | if (fbtft_device_param_gpios[0].name[0]) |
| 1449 | gpio = fbtft_device_param_gpios; |
| 1450 | |
| 1451 | if (verbose > 2) |
| 1452 | pr_spi_devices(); /* print list of registered SPI devices */ |
| 1453 | |
| 1454 | if (verbose > 2) |
| 1455 | pr_p_devices(); /* print list of 'fb' platform devices */ |
| 1456 | |
Sudip Mukherjee | 805dead | 2015-09-11 18:28:52 +0530 | [diff] [blame] | 1457 | pr_debug("name='%s', busnum=%d, cs=%d\n", name, busnum, cs); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1458 | |
| 1459 | if (rotate > 0 && rotate < 4) { |
| 1460 | rotate = (4 - rotate) * 90; |
| 1461 | pr_warn("argument 'rotate' should be an angle. Values 1-3 is deprecated. Setting it to %d.\n", |
| 1462 | rotate); |
| 1463 | } |
| 1464 | if (rotate != 0 && rotate != 90 && rotate != 180 && rotate != 270) { |
| 1465 | pr_warn("argument 'rotate' illegal value: %d. Setting it to 0.\n", |
| 1466 | rotate); |
| 1467 | rotate = 0; |
| 1468 | } |
| 1469 | |
| 1470 | /* name=list lists all supported displays */ |
Sudip Mukherjee | fb7014d | 2015-09-05 19:13:44 +0530 | [diff] [blame] | 1471 | if (strncmp(name, "list", FBTFT_GPIO_NAME_SIZE) == 0) { |
Sudip Mukherjee | 805dead | 2015-09-11 18:28:52 +0530 | [diff] [blame] | 1472 | pr_info("Supported displays:\n"); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1473 | |
| 1474 | for (i = 0; i < ARRAY_SIZE(displays); i++) |
Sudip Mukherjee | 805dead | 2015-09-11 18:28:52 +0530 | [diff] [blame] | 1475 | pr_info("%s\n", displays[i].name); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1476 | return -ECANCELED; |
| 1477 | } |
| 1478 | |
| 1479 | if (custom) { |
| 1480 | i = ARRAY_SIZE(displays) - 1; |
| 1481 | displays[i].name = name; |
| 1482 | if (speed == 0) { |
| 1483 | displays[i].pdev->name = name; |
| 1484 | displays[i].spi = NULL; |
| 1485 | } else { |
| 1486 | strncpy(displays[i].spi->modalias, name, SPI_NAME_SIZE); |
| 1487 | displays[i].pdev = NULL; |
| 1488 | } |
| 1489 | } |
| 1490 | |
| 1491 | for (i = 0; i < ARRAY_SIZE(displays); i++) { |
| 1492 | if (strncmp(name, displays[i].name, 32) == 0) { |
| 1493 | if (displays[i].spi) { |
| 1494 | spi = displays[i].spi; |
| 1495 | spi->chip_select = cs; |
| 1496 | spi->bus_num = busnum; |
| 1497 | if (speed) |
| 1498 | spi->max_speed_hz = speed; |
| 1499 | if (mode != -1) |
| 1500 | spi->mode = mode; |
| 1501 | pdata = (void *)spi->platform_data; |
| 1502 | } else if (displays[i].pdev) { |
| 1503 | p_device = displays[i].pdev; |
| 1504 | pdata = p_device->dev.platform_data; |
| 1505 | } else { |
Sudip Mukherjee | 805dead | 2015-09-11 18:28:52 +0530 | [diff] [blame] | 1506 | pr_err("broken displays array\n"); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1507 | return -EINVAL; |
| 1508 | } |
| 1509 | |
| 1510 | pdata->rotate = rotate; |
| 1511 | if (bgr == 0) |
| 1512 | pdata->bgr = false; |
| 1513 | else if (bgr == 1) |
| 1514 | pdata->bgr = true; |
| 1515 | if (startbyte) |
| 1516 | pdata->startbyte = startbyte; |
| 1517 | if (gamma) |
| 1518 | pdata->gamma = gamma; |
| 1519 | pdata->display.debug = debug; |
| 1520 | if (fps) |
| 1521 | pdata->fps = fps; |
| 1522 | if (txbuflen) |
| 1523 | pdata->txbuflen = txbuflen; |
| 1524 | if (init_num) |
| 1525 | pdata->display.init_sequence = init; |
| 1526 | if (gpio) |
| 1527 | pdata->gpios = gpio; |
| 1528 | if (custom) { |
| 1529 | pdata->display.width = width; |
| 1530 | pdata->display.height = height; |
| 1531 | pdata->display.buswidth = buswidth; |
| 1532 | pdata->display.backlight = 1; |
| 1533 | } |
| 1534 | |
| 1535 | if (displays[i].spi) { |
| 1536 | ret = fbtft_device_spi_device_register(spi); |
| 1537 | if (ret) { |
Sudip Mukherjee | 805dead | 2015-09-11 18:28:52 +0530 | [diff] [blame] | 1538 | pr_err("failed to register SPI device\n"); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1539 | return ret; |
| 1540 | } |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1541 | } else { |
| 1542 | ret = platform_device_register(p_device); |
| 1543 | if (ret < 0) { |
Sudip Mukherjee | 805dead | 2015-09-11 18:28:52 +0530 | [diff] [blame] | 1544 | pr_err("platform_device_register() returned %d\n", |
| 1545 | ret); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1546 | return ret; |
| 1547 | } |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1548 | } |
Anton Gerasimov | bc573c5 | 2015-06-13 22:23:53 +0300 | [diff] [blame] | 1549 | found = true; |
| 1550 | break; |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1551 | } |
| 1552 | } |
| 1553 | |
| 1554 | if (!found) { |
Sudip Mukherjee | 805dead | 2015-09-11 18:28:52 +0530 | [diff] [blame] | 1555 | pr_err("display not supported: '%s'\n", name); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1556 | return -EINVAL; |
| 1557 | } |
| 1558 | |
| 1559 | if (verbose && pdata && pdata->gpios) { |
| 1560 | gpio = pdata->gpios; |
Sudip Mukherjee | 805dead | 2015-09-11 18:28:52 +0530 | [diff] [blame] | 1561 | pr_info("GPIOS used by '%s':\n", name); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1562 | found = false; |
| 1563 | while (verbose && gpio->name[0]) { |
Sudip Mukherjee | 805dead | 2015-09-11 18:28:52 +0530 | [diff] [blame] | 1564 | pr_info("'%s' = GPIO%d\n", gpio->name, gpio->gpio); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1565 | gpio++; |
| 1566 | found = true; |
| 1567 | } |
| 1568 | if (!found) |
Sudip Mukherjee | 805dead | 2015-09-11 18:28:52 +0530 | [diff] [blame] | 1569 | pr_info("(none)\n"); |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1570 | } |
| 1571 | |
| 1572 | if (spi_device && (verbose > 1)) |
| 1573 | pr_spi_devices(); |
| 1574 | if (p_device && (verbose > 1)) |
| 1575 | pr_p_devices(); |
| 1576 | |
| 1577 | return 0; |
| 1578 | } |
| 1579 | |
| 1580 | static void __exit fbtft_device_exit(void) |
| 1581 | { |
Thomas Petazzoni | 06d30f0 | 2014-12-31 10:11:36 +0100 | [diff] [blame] | 1582 | if (spi_device) { |
| 1583 | device_del(&spi_device->dev); |
| 1584 | kfree(spi_device); |
| 1585 | } |
| 1586 | |
| 1587 | if (p_device) |
| 1588 | platform_device_unregister(p_device); |
| 1589 | |
| 1590 | } |
| 1591 | |
| 1592 | arch_initcall(fbtft_device_init); |
| 1593 | module_exit(fbtft_device_exit); |
| 1594 | |
| 1595 | MODULE_DESCRIPTION("Add a FBTFT device."); |
| 1596 | MODULE_AUTHOR("Noralf Tronnes"); |
| 1597 | MODULE_LICENSE("GPL"); |