Thomas Petazzoni | b2ebd4b | 2014-12-31 10:11:10 +0100 | [diff] [blame] | 1 | /* |
| 2 | * FB driver for Two KS0108 LCD controllers in AGM1264K-FL display |
| 3 | * |
| 4 | * Copyright (C) 2014 ololoshka2871 |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | */ |
| 16 | |
| 17 | #include <linux/module.h> |
| 18 | #include <linux/kernel.h> |
| 19 | #include <linux/init.h> |
| 20 | #include <linux/gpio.h> |
| 21 | #include <linux/delay.h> |
| 22 | #include <linux/slab.h> |
| 23 | |
| 24 | #include "fbtft.h" |
| 25 | |
| 26 | /* Uncomment text line to use negative image on display */ |
| 27 | /*#define NEGATIVE*/ |
| 28 | |
| 29 | #define WHITE 0xff |
| 30 | #define BLACK 0 |
| 31 | |
| 32 | #define DRVNAME "fb_agm1264k-fl" |
| 33 | #define WIDTH 64 |
| 34 | #define HEIGHT 64 |
| 35 | #define TOTALWIDTH (WIDTH * 2) /* because 2 x ks0108 in one display */ |
| 36 | #define FPS 20 |
| 37 | |
| 38 | #define EPIN gpio.wr |
| 39 | #define RS gpio.dc |
| 40 | #define RW gpio.aux[2] |
| 41 | #define CS0 gpio.aux[0] |
| 42 | #define CS1 gpio.aux[1] |
| 43 | |
Anish Bhatt | c3eeca5 | 2015-09-03 00:53:35 -0700 | [diff] [blame] | 44 | /* diffusing error (Floyd-Steinberg) */ |
Thomas Petazzoni | b2ebd4b | 2014-12-31 10:11:10 +0100 | [diff] [blame] | 45 | #define DIFFUSING_MATRIX_WIDTH 2 |
| 46 | #define DIFFUSING_MATRIX_HEIGHT 2 |
| 47 | |
| 48 | static const signed char |
| 49 | diffusing_matrix[DIFFUSING_MATRIX_WIDTH][DIFFUSING_MATRIX_HEIGHT] = { |
| 50 | {-1, 3}, |
| 51 | {3, 2}, |
| 52 | }; |
| 53 | |
| 54 | static const unsigned char gamma_correction_table[] = { |
| 55 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, |
| 56 | 1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, |
| 57 | 6, 6, 6, 7, 7, 7, 8, 8, 8, 9, 9, 9, 10, 10, 11, 11, 11, 12, 12, 13, |
| 58 | 13, 13, 14, 14, 15, 15, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, |
| 59 | 22, 22, 23, 23, 24, 25, 25, 26, 26, 27, 28, 28, 29, 30, 30, 31, 32, |
| 60 | 33, 33, 34, 35, 35, 36, 37, 38, 39, 39, 40, 41, 42, 43, 43, 44, 45, |
| 61 | 46, 47, 48, 49, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, |
| 62 | 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77, 78, 79, 81, |
| 63 | 82, 83, 84, 85, 87, 88, 89, 90, 91, 93, 94, 95, 97, 98, 99, 100, 102, |
| 64 | 103, 105, 106, 107, 109, 110, 111, 113, 114, 116, 117, 119, 120, 121, |
| 65 | 123, 124, 126, 127, 129, 130, 132, 133, 135, 137, 138, 140, 141, 143, |
| 66 | 145, 146, 148, 149, 151, 153, 154, 156, 158, 159, 161, 163, 165, 166, |
| 67 | 168, 170, 172, 173, 175, 177, 179, 181, 182, 184, 186, 188, 190, 192, |
| 68 | 194, 196, 197, 199, 201, 203, 205, 207, 209, 211, 213, 215, 217, 219, |
| 69 | 221, 223, 225, 227, 229, 231, 234, 236, 238, 240, 242, 244, 246, 248, |
| 70 | 251, 253, 255 |
| 71 | }; |
| 72 | |
| 73 | static int init_display(struct fbtft_par *par) |
| 74 | { |
| 75 | u8 i; |
| 76 | |
Thomas Petazzoni | b2ebd4b | 2014-12-31 10:11:10 +0100 | [diff] [blame] | 77 | par->fbtftops.reset(par); |
| 78 | |
| 79 | for (i = 0; i < 2; ++i) { |
| 80 | write_reg(par, i, 0x3f); /* display on */ |
| 81 | write_reg(par, i, 0x40); /* set x to 0 */ |
| 82 | write_reg(par, i, 0xb0); /* set page to 0 */ |
| 83 | write_reg(par, i, 0xc0); /* set start line to 0 */ |
| 84 | } |
| 85 | |
| 86 | return 0; |
| 87 | } |
| 88 | |
Dan Carpenter | 074e6fd | 2015-01-23 17:20:25 +0300 | [diff] [blame] | 89 | static void reset(struct fbtft_par *par) |
Thomas Petazzoni | b2ebd4b | 2014-12-31 10:11:10 +0100 | [diff] [blame] | 90 | { |
| 91 | if (par->gpio.reset == -1) |
| 92 | return; |
| 93 | |
Madhusudhanan Ravindran | b38c760 | 2015-06-01 12:34:56 +0000 | [diff] [blame] | 94 | dev_dbg(par->info->device, "%s()\n", __func__); |
Thomas Petazzoni | b2ebd4b | 2014-12-31 10:11:10 +0100 | [diff] [blame] | 95 | |
| 96 | gpio_set_value(par->gpio.reset, 0); |
| 97 | udelay(20); |
| 98 | gpio_set_value(par->gpio.reset, 1); |
| 99 | mdelay(120); |
| 100 | } |
| 101 | |
| 102 | /* Check if all necessary GPIOS defined */ |
| 103 | static int verify_gpios(struct fbtft_par *par) |
| 104 | { |
| 105 | int i; |
| 106 | |
Madhusudhanan Ravindran | b38c760 | 2015-06-01 12:34:56 +0000 | [diff] [blame] | 107 | dev_dbg(par->info->device, |
Thomas Petazzoni | b2ebd4b | 2014-12-31 10:11:10 +0100 | [diff] [blame] | 108 | "%s()\n", __func__); |
| 109 | |
| 110 | if (par->EPIN < 0) { |
| 111 | dev_err(par->info->device, |
| 112 | "Missing info about 'wr' (aka E) gpio. Aborting.\n"); |
| 113 | return -EINVAL; |
| 114 | } |
| 115 | for (i = 0; i < 8; ++i) { |
| 116 | if (par->gpio.db[i] < 0) { |
| 117 | dev_err(par->info->device, |
| 118 | "Missing info about 'db[%i]' gpio. Aborting.\n", |
| 119 | i); |
| 120 | return -EINVAL; |
| 121 | } |
| 122 | } |
| 123 | if (par->CS0 < 0) { |
| 124 | dev_err(par->info->device, |
| 125 | "Missing info about 'cs0' gpio. Aborting.\n"); |
| 126 | return -EINVAL; |
| 127 | } |
| 128 | if (par->CS1 < 0) { |
| 129 | dev_err(par->info->device, |
| 130 | "Missing info about 'cs1' gpio. Aborting.\n"); |
| 131 | return -EINVAL; |
| 132 | } |
| 133 | if (par->RW < 0) { |
| 134 | dev_err(par->info->device, |
| 135 | "Missing info about 'rw' gpio. Aborting.\n"); |
| 136 | return -EINVAL; |
| 137 | } |
| 138 | |
| 139 | return 0; |
| 140 | } |
| 141 | |
| 142 | static unsigned long |
| 143 | request_gpios_match(struct fbtft_par *par, const struct fbtft_gpio *gpio) |
| 144 | { |
Madhusudhanan Ravindran | b38c760 | 2015-06-01 12:34:56 +0000 | [diff] [blame] | 145 | dev_dbg(par->info->device, |
Thomas Petazzoni | b2ebd4b | 2014-12-31 10:11:10 +0100 | [diff] [blame] | 146 | "%s('%s')\n", __func__, gpio->name); |
| 147 | |
| 148 | if (strcasecmp(gpio->name, "wr") == 0) { |
| 149 | /* left ks0108 E pin */ |
| 150 | par->EPIN = gpio->gpio; |
| 151 | return GPIOF_OUT_INIT_LOW; |
| 152 | } else if (strcasecmp(gpio->name, "cs0") == 0) { |
| 153 | /* left ks0108 controller pin */ |
| 154 | par->CS0 = gpio->gpio; |
| 155 | return GPIOF_OUT_INIT_HIGH; |
| 156 | } else if (strcasecmp(gpio->name, "cs1") == 0) { |
| 157 | /* right ks0108 controller pin */ |
| 158 | par->CS1 = gpio->gpio; |
| 159 | return GPIOF_OUT_INIT_HIGH; |
| 160 | } |
| 161 | |
| 162 | /* if write (rw = 0) e(1->0) perform write */ |
| 163 | /* if read (rw = 1) e(0->1) set data on D0-7*/ |
| 164 | else if (strcasecmp(gpio->name, "rw") == 0) { |
| 165 | par->RW = gpio->gpio; |
| 166 | return GPIOF_OUT_INIT_LOW; |
| 167 | } |
| 168 | |
| 169 | return FBTFT_GPIO_NO_MATCH; |
| 170 | } |
| 171 | |
| 172 | /* This function oses to enter commands |
| 173 | * first byte - destination controller 0 or 1 |
Masanari Iida | 92def78 | 2015-03-21 11:48:37 +0900 | [diff] [blame] | 174 | * following - commands |
Thomas Petazzoni | b2ebd4b | 2014-12-31 10:11:10 +0100 | [diff] [blame] | 175 | */ |
| 176 | static void write_reg8_bus8(struct fbtft_par *par, int len, ...) |
| 177 | { |
| 178 | va_list args; |
| 179 | int i, ret; |
Shivani Bhardwaj | 193ef31 | 2015-10-16 21:38:34 +0530 | [diff] [blame] | 180 | u8 *buf = par->buf; |
Thomas Petazzoni | b2ebd4b | 2014-12-31 10:11:10 +0100 | [diff] [blame] | 181 | |
| 182 | if (unlikely(par->debug & DEBUG_WRITE_REGISTER)) { |
| 183 | va_start(args, len); |
| 184 | for (i = 0; i < len; i++) |
| 185 | buf[i] = (u8)va_arg(args, unsigned int); |
| 186 | |
| 187 | va_end(args); |
| 188 | fbtft_par_dbg_hex(DEBUG_WRITE_REGISTER, par, |
| 189 | par->info->device, u8, buf, len, "%s: ", __func__); |
| 190 | } |
| 191 | |
| 192 | va_start(args, len); |
| 193 | |
| 194 | *buf = (u8)va_arg(args, unsigned int); |
| 195 | |
| 196 | if (*buf > 1) { |
| 197 | va_end(args); |
Haneen Mohammed | aed1c72 | 2015-03-06 21:59:04 +0300 | [diff] [blame] | 198 | dev_err(par->info->device, |
Masanari Iida | 92def78 | 2015-03-21 11:48:37 +0900 | [diff] [blame] | 199 | "Incorrect chip select request (%d)\n", *buf); |
Thomas Petazzoni | b2ebd4b | 2014-12-31 10:11:10 +0100 | [diff] [blame] | 200 | return; |
| 201 | } |
| 202 | |
| 203 | /* select chip */ |
| 204 | if (*buf) { |
| 205 | /* cs1 */ |
| 206 | gpio_set_value(par->CS0, 1); |
| 207 | gpio_set_value(par->CS1, 0); |
| 208 | } else { |
| 209 | /* cs0 */ |
| 210 | gpio_set_value(par->CS0, 0); |
| 211 | gpio_set_value(par->CS1, 1); |
| 212 | } |
| 213 | |
| 214 | gpio_set_value(par->RS, 0); /* RS->0 (command mode) */ |
| 215 | len--; |
| 216 | |
| 217 | if (len) { |
| 218 | i = len; |
| 219 | while (i--) |
| 220 | *buf++ = (u8)va_arg(args, unsigned int); |
| 221 | ret = par->fbtftops.write(par, par->buf, len * (sizeof(u8))); |
| 222 | if (ret < 0) { |
| 223 | va_end(args); |
Haneen Mohammed | aed1c72 | 2015-03-06 21:59:04 +0300 | [diff] [blame] | 224 | dev_err(par->info->device, |
| 225 | "write() failed and returned %d\n", ret); |
Thomas Petazzoni | b2ebd4b | 2014-12-31 10:11:10 +0100 | [diff] [blame] | 226 | return; |
| 227 | } |
| 228 | } |
| 229 | |
| 230 | va_end(args); |
| 231 | } |
| 232 | |
| 233 | static struct |
| 234 | { |
| 235 | int xs, ys_page, xe, ye_page; |
| 236 | } addr_win; |
| 237 | |
| 238 | /* save display writing zone */ |
| 239 | static void set_addr_win(struct fbtft_par *par, int xs, int ys, int xe, int ye) |
| 240 | { |
| 241 | addr_win.xs = xs; |
| 242 | addr_win.ys_page = ys / 8; |
| 243 | addr_win.xe = xe; |
| 244 | addr_win.ye_page = ye / 8; |
Thomas Petazzoni | b2ebd4b | 2014-12-31 10:11:10 +0100 | [diff] [blame] | 245 | } |
| 246 | |
| 247 | static void |
| 248 | construct_line_bitmap(struct fbtft_par *par, u8 *dest, signed short *src, |
| 249 | int xs, int xe, int y) |
| 250 | { |
| 251 | int x, i; |
| 252 | |
| 253 | for (x = xs; x < xe; ++x) { |
| 254 | u8 res = 0; |
| 255 | |
| 256 | for (i = 0; i < 8; i++) |
| 257 | if (src[(y * 8 + i) * par->info->var.xres + x]) |
| 258 | res |= 1 << i; |
| 259 | #ifdef NEGATIVE |
| 260 | *dest++ = res; |
| 261 | #else |
| 262 | *dest++ = ~res; |
| 263 | #endif |
| 264 | } |
| 265 | } |
| 266 | |
| 267 | static int write_vmem(struct fbtft_par *par, size_t offset, size_t len) |
| 268 | { |
Lars Svensson | 4b6dc17 | 2015-10-07 09:20:13 +0200 | [diff] [blame] | 269 | u16 *vmem16 = (u16 *)par->info->screen_buffer; |
Thomas Petazzoni | b2ebd4b | 2014-12-31 10:11:10 +0100 | [diff] [blame] | 270 | u8 *buf = par->txbuf.buf; |
| 271 | int x, y; |
| 272 | int ret = 0; |
| 273 | |
Masanari Iida | 92def78 | 2015-03-21 11:48:37 +0900 | [diff] [blame] | 274 | /* buffer to convert RGB565 -> grayscale16 -> Dithered image 1bpp */ |
Bhaktipriya Shridhar | 7ce1b3d | 2016-02-22 23:17:16 +0530 | [diff] [blame] | 275 | signed short *convert_buf = kmalloc_array(par->info->var.xres * |
| 276 | par->info->var.yres, sizeof(signed short), GFP_NOIO); |
Thomas Petazzoni | b2ebd4b | 2014-12-31 10:11:10 +0100 | [diff] [blame] | 277 | |
Ravindran, Madhusudhanan (M.) | 6a938a8 | 2015-03-16 15:36:41 +0000 | [diff] [blame] | 278 | if (!convert_buf) |
| 279 | return -ENOMEM; |
| 280 | |
Thomas Petazzoni | b2ebd4b | 2014-12-31 10:11:10 +0100 | [diff] [blame] | 281 | /* converting to grayscale16 */ |
| 282 | for (x = 0; x < par->info->var.xres; ++x) |
| 283 | for (y = 0; y < par->info->var.yres; ++y) { |
| 284 | u16 pixel = vmem16[y * par->info->var.xres + x]; |
| 285 | u16 b = pixel & 0x1f; |
| 286 | u16 g = (pixel & (0x3f << 5)) >> 5; |
| 287 | u16 r = (pixel & (0x1f << (5 + 6))) >> (5 + 6); |
| 288 | |
| 289 | pixel = (299 * r + 587 * g + 114 * b) / 200; |
| 290 | if (pixel > 255) |
| 291 | pixel = 255; |
| 292 | |
| 293 | /* gamma-correction by table */ |
| 294 | convert_buf[y * par->info->var.xres + x] = |
| 295 | (signed short)gamma_correction_table[pixel]; |
| 296 | } |
| 297 | |
| 298 | /* Image Dithering */ |
| 299 | for (x = 0; x < par->info->var.xres; ++x) |
| 300 | for (y = 0; y < par->info->var.yres; ++y) { |
| 301 | signed short pixel = |
| 302 | convert_buf[y * par->info->var.xres + x]; |
| 303 | signed short error_b = pixel - BLACK; |
| 304 | signed short error_w = pixel - WHITE; |
| 305 | signed short error; |
| 306 | u16 i, j; |
| 307 | |
| 308 | /* what color close? */ |
| 309 | if (abs(error_b) >= abs(error_w)) { |
| 310 | /* white */ |
| 311 | error = error_w; |
| 312 | pixel = 0xff; |
| 313 | } else { |
| 314 | /* black */ |
| 315 | error = error_b; |
| 316 | pixel = 0; |
| 317 | } |
| 318 | |
| 319 | error /= 8; |
| 320 | |
| 321 | /* diffusion matrix row */ |
| 322 | for (i = 0; i < DIFFUSING_MATRIX_WIDTH; ++i) |
| 323 | /* diffusion matrix column */ |
| 324 | for (j = 0; j < DIFFUSING_MATRIX_HEIGHT; ++j) { |
| 325 | signed short *write_pos; |
| 326 | signed char coeff; |
| 327 | |
| 328 | /* skip pixels out of zone */ |
| 329 | if (x + i < 0 || |
| 330 | x + i >= par->info->var.xres |
| 331 | || y + j >= par->info->var.yres) |
| 332 | continue; |
| 333 | write_pos = &convert_buf[ |
| 334 | (y + j) * par->info->var.xres + |
| 335 | x + i]; |
| 336 | coeff = diffusing_matrix[i][j]; |
| 337 | if (coeff == -1) |
| 338 | /* pixel itself */ |
| 339 | *write_pos = pixel; |
| 340 | else { |
| 341 | signed short p = *write_pos + |
| 342 | error * coeff; |
| 343 | |
| 344 | if (p > WHITE) |
| 345 | p = WHITE; |
| 346 | if (p < BLACK) |
| 347 | p = BLACK; |
| 348 | *write_pos = p; |
| 349 | } |
| 350 | } |
| 351 | } |
| 352 | |
Prit Raj | ea40d67 | 2016-07-31 08:35:16 +0530 | [diff] [blame] | 353 | /* 1 string = 2 pages */ |
| 354 | for (y = addr_win.ys_page; y <= addr_win.ye_page; ++y) { |
Thomas Petazzoni | b2ebd4b | 2014-12-31 10:11:10 +0100 | [diff] [blame] | 355 | /* left half of display */ |
| 356 | if (addr_win.xs < par->info->var.xres / 2) { |
| 357 | construct_line_bitmap(par, buf, convert_buf, |
| 358 | addr_win.xs, par->info->var.xres / 2, y); |
| 359 | |
| 360 | len = par->info->var.xres / 2 - addr_win.xs; |
| 361 | |
| 362 | /* select left side (sc0) |
| 363 | * set addr |
| 364 | */ |
| 365 | write_reg(par, 0x00, (1 << 6) | (u8)addr_win.xs); |
| 366 | write_reg(par, 0x00, (0x17 << 3) | (u8)y); |
| 367 | |
| 368 | /* write bitmap */ |
| 369 | gpio_set_value(par->RS, 1); /* RS->1 (data mode) */ |
| 370 | ret = par->fbtftops.write(par, buf, len); |
| 371 | if (ret < 0) |
| 372 | dev_err(par->info->device, |
Haneen Mohammed | aed1c72 | 2015-03-06 21:59:04 +0300 | [diff] [blame] | 373 | "write failed and returned: %d\n", |
| 374 | ret); |
Thomas Petazzoni | b2ebd4b | 2014-12-31 10:11:10 +0100 | [diff] [blame] | 375 | } |
| 376 | /* right half of display */ |
| 377 | if (addr_win.xe >= par->info->var.xres / 2) { |
| 378 | construct_line_bitmap(par, buf, |
| 379 | convert_buf, par->info->var.xres / 2, |
| 380 | addr_win.xe + 1, y); |
| 381 | |
| 382 | len = addr_win.xe + 1 - par->info->var.xres / 2; |
| 383 | |
| 384 | /* select right side (sc1) |
| 385 | * set addr |
| 386 | */ |
Aya Mahfouz | 6b38452 | 2015-03-10 19:04:35 +0200 | [diff] [blame] | 387 | write_reg(par, 0x01, 1 << 6); |
Thomas Petazzoni | b2ebd4b | 2014-12-31 10:11:10 +0100 | [diff] [blame] | 388 | write_reg(par, 0x01, (0x17 << 3) | (u8)y); |
| 389 | |
| 390 | /* write bitmap */ |
| 391 | gpio_set_value(par->RS, 1); /* RS->1 (data mode) */ |
| 392 | par->fbtftops.write(par, buf, len); |
| 393 | if (ret < 0) |
| 394 | dev_err(par->info->device, |
Haneen Mohammed | aed1c72 | 2015-03-06 21:59:04 +0300 | [diff] [blame] | 395 | "write failed and returned: %d\n", |
| 396 | ret); |
Thomas Petazzoni | b2ebd4b | 2014-12-31 10:11:10 +0100 | [diff] [blame] | 397 | } |
| 398 | } |
| 399 | kfree(convert_buf); |
| 400 | |
| 401 | gpio_set_value(par->CS0, 1); |
| 402 | gpio_set_value(par->CS1, 1); |
| 403 | |
| 404 | return ret; |
| 405 | } |
| 406 | |
| 407 | static int write(struct fbtft_par *par, void *buf, size_t len) |
| 408 | { |
| 409 | fbtft_par_dbg_hex(DEBUG_WRITE, par, par->info->device, u8, buf, len, |
| 410 | "%s(len=%d): ", __func__, len); |
| 411 | |
| 412 | gpio_set_value(par->RW, 0); /* set write mode */ |
| 413 | |
Thomas Petazzoni | b2ebd4b | 2014-12-31 10:11:10 +0100 | [diff] [blame] | 414 | while (len--) { |
| 415 | u8 i, data; |
| 416 | |
Sandhya Bankar | 60abe35 | 2016-03-18 15:02:41 +0530 | [diff] [blame] | 417 | data = *(u8 *)buf++; |
Thomas Petazzoni | b2ebd4b | 2014-12-31 10:11:10 +0100 | [diff] [blame] | 418 | |
| 419 | /* set data bus */ |
| 420 | for (i = 0; i < 8; ++i) |
| 421 | gpio_set_value(par->gpio.db[i], data & (1 << i)); |
| 422 | /* set E */ |
| 423 | gpio_set_value(par->EPIN, 1); |
| 424 | udelay(5); |
| 425 | /* unset E - write */ |
| 426 | gpio_set_value(par->EPIN, 0); |
| 427 | udelay(1); |
| 428 | } |
| 429 | |
| 430 | return 0; |
| 431 | } |
| 432 | |
| 433 | static struct fbtft_display display = { |
| 434 | .regwidth = 8, |
| 435 | .width = TOTALWIDTH, |
| 436 | .height = HEIGHT, |
| 437 | .fps = FPS, |
| 438 | .fbtftops = { |
| 439 | .init_display = init_display, |
| 440 | .set_addr_win = set_addr_win, |
| 441 | .verify_gpios = verify_gpios, |
| 442 | .request_gpios_match = request_gpios_match, |
| 443 | .reset = reset, |
| 444 | .write = write, |
| 445 | .write_register = write_reg8_bus8, |
| 446 | .write_vmem = write_vmem, |
| 447 | }, |
| 448 | }; |
Anish Bhatt | 1014c2c | 2015-09-03 00:53:36 -0700 | [diff] [blame] | 449 | |
Thomas Petazzoni | b2ebd4b | 2014-12-31 10:11:10 +0100 | [diff] [blame] | 450 | FBTFT_REGISTER_DRIVER(DRVNAME, "displaytronic,fb_agm1264k-fl", &display); |
| 451 | |
| 452 | MODULE_ALIAS("platform:" DRVNAME); |
| 453 | |
| 454 | MODULE_DESCRIPTION("Two KS0108 LCD controllers in AGM1264K-FL display"); |
| 455 | MODULE_AUTHOR("ololoshka2871"); |
| 456 | MODULE_LICENSE("GPL"); |