1444 lines
33 KiB
C
1444 lines
33 KiB
C
/*
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*
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* Copyright (C) 2013, Noralf Tronnes
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/module.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/gpio.h>
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#include <linux/spi/spi.h>
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#include "fbtft.h"
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#define DRVNAME "fbtft_device"
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#define MAX_GPIOS 32
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struct spi_device *spi_device;
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struct platform_device *p_device;
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static char *name;
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module_param(name, charp, 0);
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MODULE_PARM_DESC(name, "Devicename (required). " \
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"name=list => list all supported devices.");
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static unsigned rotate;
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module_param(rotate, uint, 0);
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MODULE_PARM_DESC(rotate,
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"Angle to rotate display counter clockwise: 0, 90, 180, 270");
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static unsigned busnum;
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module_param(busnum, uint, 0);
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MODULE_PARM_DESC(busnum, "SPI bus number (default=0)");
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static unsigned cs;
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module_param(cs, uint, 0);
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MODULE_PARM_DESC(cs, "SPI chip select (default=0)");
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static unsigned speed;
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module_param(speed, uint, 0);
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MODULE_PARM_DESC(speed, "SPI speed (override device default)");
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static int mode = -1;
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module_param(mode, int, 0);
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MODULE_PARM_DESC(mode, "SPI mode (override device default)");
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static char *gpios;
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module_param(gpios, charp, 0);
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MODULE_PARM_DESC(gpios,
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"List of gpios. Comma separated with the form: reset:23,dc:24 " \
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"(when overriding the default, all gpios must be specified)");
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static unsigned fps;
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module_param(fps, uint, 0);
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MODULE_PARM_DESC(fps, "Frames per second (override driver default)");
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static char *gamma;
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module_param(gamma, charp, 0);
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MODULE_PARM_DESC(gamma,
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"String representation of Gamma Curve(s). Driver specific.");
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static int txbuflen;
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module_param(txbuflen, int, 0);
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MODULE_PARM_DESC(txbuflen, "txbuflen (override driver default)");
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static int bgr = -1;
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module_param(bgr, int, 0);
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MODULE_PARM_DESC(bgr,
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"BGR bit (supported by some drivers).");
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static unsigned startbyte;
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module_param(startbyte, uint, 0);
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MODULE_PARM_DESC(startbyte, "Sets the Start byte used by some SPI displays.");
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static bool custom;
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module_param(custom, bool, 0);
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MODULE_PARM_DESC(custom, "Add a custom display device. " \
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"Use speed= argument to make it a SPI device, else platform_device");
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static unsigned width;
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module_param(width, uint, 0);
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MODULE_PARM_DESC(width, "Display width, used with the custom argument");
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static unsigned height;
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module_param(height, uint, 0);
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MODULE_PARM_DESC(height, "Display height, used with the custom argument");
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static unsigned buswidth = 8;
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module_param(buswidth, uint, 0);
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MODULE_PARM_DESC(buswidth, "Display bus width, used with the custom argument");
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static int init[FBTFT_MAX_INIT_SEQUENCE];
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static int init_num;
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module_param_array(init, int, &init_num, 0);
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MODULE_PARM_DESC(init, "Init sequence, used with the custom argument");
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static unsigned long debug;
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module_param(debug, ulong , 0);
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MODULE_PARM_DESC(debug,
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"level: 0-7 (the remaining 29 bits is for advanced usage)");
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static unsigned verbose = 3;
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module_param(verbose, uint, 0);
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MODULE_PARM_DESC(verbose,
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"0 silent, >0 show gpios, >1 show devices, >2 show devices before (default=3)");
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struct fbtft_device_display {
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char *name;
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struct spi_board_info *spi;
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struct platform_device *pdev;
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};
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static void fbtft_device_pdev_release(struct device *dev);
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static int write_gpio16_wr_slow(struct fbtft_par *par, void *buf, size_t len);
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static void adafruit18_green_tab_set_addr_win(struct fbtft_par *par,
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int xs, int ys, int xe, int ye);
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#define ADAFRUIT18_GAMMA \
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"02 1c 07 12 37 32 29 2d 29 25 2B 39 00 01 03 10\n" \
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"03 1d 07 06 2E 2C 29 2D 2E 2E 37 3F 00 00 02 10"
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static int hy28b_init_sequence[] = {
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-1,0x00e7,0x0010,-1,0x0000,0x0001,-1,0x0001,0x0100,-1,0x0002,0x0700,
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-1,0x0003,0x1030,-1,0x0004,0x0000,-1,0x0008,0x0207,-1,0x0009,0x0000,
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-1,0x000a,0x0000,-1,0x000c,0x0001,-1,0x000d,0x0000,-1,0x000f,0x0000,
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-1,0x0010,0x0000,-1,0x0011,0x0007,-1,0x0012,0x0000,-1,0x0013,0x0000,
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-2,50,-1,0x0010,0x1590,-1,0x0011,0x0227,-2,50,-1,0x0012,0x009c,-2,50,
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-1,0x0013,0x1900,-1,0x0029,0x0023,-1,0x002b,0x000e,-2,50,
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-1,0x0020,0x0000,-1,0x0021,0x0000,-2,50,-1,0x0050,0x0000,
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-1,0x0051,0x00ef,-1,0x0052,0x0000,-1,0x0053,0x013f,-1,0x0060,0xa700,
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-1,0x0061,0x0001,-1,0x006a,0x0000,-1,0x0080,0x0000,-1,0x0081,0x0000,
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-1,0x0082,0x0000,-1,0x0083,0x0000,-1,0x0084,0x0000,-1,0x0085,0x0000,
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-1,0x0090,0x0010,-1,0x0092,0x0000,-1,0x0093,0x0003,-1,0x0095,0x0110,
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-1,0x0097,0x0000,-1,0x0098,0x0000,-1,0x0007,0x0133,-1,0x0020,0x0000,
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-1,0x0021,0x0000,-2,100,-3 };
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#define HY28B_GAMMA \
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"04 1F 4 7 7 0 7 7 6 0\n" \
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"0F 00 1 7 4 0 0 0 6 7"
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static int pitft_init_sequence[] = {
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-1,0x01,-2,5,-1,0x28,-1,0xEF,0x03,0x80,0x02,-1,0xCF,0x00,0xC1,0x30,
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-1,0xED,0x64,0x03,0x12,0x81,-1,0xE8,0x85,0x00,0x78,
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-1,0xCB,0x39,0x2C,0x00,0x34,0x02,-1,0xF7,0x20,-1,0xEA,0x00,0x00,
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-1,0xC0,0x23,-1,0xC1,0x10,-1,0xC5,0x3e,0x28,-1,0xC7,0x86,-1,0x3A,0x55,
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-1,0xB1,0x00,0x18,-1,0xB6,0x08,0x82,0x27,-1,0xF2,0x00,-1,0x26,0x01,
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-1,0xE0,0x0F,0x31,0x2B,0x0C,0x0E,0x08,0x4E,0xF1,0x37,0x07,0x10,0x03,
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0x0E,0x09,0x00,-1,0xE1,0x00,0x0E,0x14,0x03,0x11,0x07,0x31,0xC1,0x48,
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0x08,0x0F,0x0C,0x31,0x36,0x0F,-1,0x11,-2,100,-1,0x29,-2,20,-3 };
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static int waveshare32b_init_sequence[] = {
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-1,0xCB,0x39,0x2C,0x00,0x34,0x02,-1,0xCF,0x00,0xC1,0x30,
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-1,0xE8,0x85,0x00,0x78,-1,0xEA,0x00,0x00,-1,0xED,0x64,0x03,0x12,0x81,
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-1,0xF7,0x20,-1,0xC0,0x23,-1,0xC1,0x10,-1,0xC5,0x3e,0x28,-1,0xC7,0x86,
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-1,0x36,0x28,-1,0x3A,0x55,-1,0xB1,0x00,0x18,-1,0xB6,0x08,0x82,0x27,
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-1,0xF2,0x00,-1,0x26,0x01,
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-1,0xE0,0x0F,0x31,0x2B,0x0C,0x0E,0x08,0x4E,0xF1,0x37,0x07,0x10,0x03,0x0E,0x09,0x00,
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-1,0xE1,0x00,0x0E,0x14,0x03,0x11,0x07,0x31,0xC1,0x48,0x08,0x0F,0x0C,0x31,0x36,0x0F,
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-1,0x11,-2,120,-1,0x29,-1,0x2c,-3 };
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/* Supported displays in alphabetical order */
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static struct fbtft_device_display displays[] = {
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{
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.name = "adafruit18",
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.spi = &(struct spi_board_info) {
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.modalias = "fb_st7735r",
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.max_speed_hz = 32000000,
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.mode = SPI_MODE_0,
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.platform_data = &(struct fbtft_platform_data) {
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.display = {
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.buswidth = 8,
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.backlight = 1,
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},
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.gpios = (const struct fbtft_gpio []) {
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{ "reset", 25 },
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{ "dc", 24 },
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{ "led", 18 },
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{},
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},
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.gamma = ADAFRUIT18_GAMMA,
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}
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}
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}, {
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.name = "adafruit18_green",
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.spi = &(struct spi_board_info) {
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.modalias = "fb_st7735r",
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.max_speed_hz = 4000000,
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.mode = SPI_MODE_0,
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.platform_data = &(struct fbtft_platform_data) {
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.display = {
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.buswidth = 8,
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.backlight = 1,
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.fbtftops.set_addr_win = \
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adafruit18_green_tab_set_addr_win,
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},
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.bgr = true,
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.gpios = (const struct fbtft_gpio []) {
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{ "reset", 25 },
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{ "dc", 24 },
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{ "led", 18 },
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{},
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},
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.gamma = ADAFRUIT18_GAMMA,
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}
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}
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}, {
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.name = "adafruit22",
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.spi = &(struct spi_board_info) {
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.modalias = "fb_hx8340bn",
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.max_speed_hz = 32000000,
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.mode = SPI_MODE_0,
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.platform_data = &(struct fbtft_platform_data) {
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.display = {
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.buswidth = 9,
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.backlight = 1,
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},
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.bgr = true,
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.gpios = (const struct fbtft_gpio []) {
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{ "reset", 25 },
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{ "led", 23 },
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{},
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},
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}
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}
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}, {
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.name = "adafruit22a",
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.spi = &(struct spi_board_info) {
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.modalias = "fb_ili9340",
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.max_speed_hz = 32000000,
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.mode = SPI_MODE_0,
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.platform_data = &(struct fbtft_platform_data) {
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.display = {
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.buswidth = 8,
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.backlight = 1,
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},
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.bgr = true,
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.gpios = (const struct fbtft_gpio []) {
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{ "reset", 25 },
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{ "dc", 24 },
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{ "led", 18 },
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{},
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},
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}
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}
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}, {
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.name = "adafruit28",
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.spi = &(struct spi_board_info) {
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.modalias = "fb_ili9341",
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.max_speed_hz = 32000000,
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.mode = SPI_MODE_0,
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.platform_data = &(struct fbtft_platform_data) {
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.display = {
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.buswidth = 8,
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.backlight = 1,
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},
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.bgr = true,
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.gpios = (const struct fbtft_gpio []) {
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{ "reset", 25 },
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{ "dc", 24 },
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{ "led", 18 },
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{},
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},
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}
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}
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}, {
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.name = "adafruit13m",
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.spi = &(struct spi_board_info) {
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.modalias = "fb_ssd1306",
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.max_speed_hz = 16000000,
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.mode = SPI_MODE_0,
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.platform_data = &(struct fbtft_platform_data) {
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.display = {
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.buswidth = 8,
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},
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.gpios = (const struct fbtft_gpio []) {
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{ "reset", 25 },
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{ "dc", 24 },
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{},
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},
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}
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}
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}, {
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.name = "agm1264k-fl",
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.pdev = &(struct platform_device) {
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.name = "fb_agm1264k-fl",
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.id = 0,
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.dev = {
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.release = fbtft_device_pdev_release,
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.platform_data = &(struct fbtft_platform_data) {
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.display = {
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.buswidth = 8,
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.backlight = FBTFT_ONBOARD_BACKLIGHT,
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},
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.gpios = (const struct fbtft_gpio []) {
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{},
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},
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},
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}
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}
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}, {
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.name = "dogs102",
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.spi = &(struct spi_board_info) {
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.modalias = "fb_uc1701",
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.max_speed_hz = 8000000,
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.mode = SPI_MODE_0,
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.platform_data = &(struct fbtft_platform_data) {
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.display = {
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.buswidth = 8,
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},
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.bgr = true,
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.gpios = (const struct fbtft_gpio []) {
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{ "reset", 13 },
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{ "dc", 6 },
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{},
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},
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}
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}
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}, {
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.name = "er_tftm050_2",
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.spi = &(struct spi_board_info) {
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.modalias = "fb_ra8875",
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.max_speed_hz = 5000000,
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.mode = SPI_MODE_3,
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.platform_data = &(struct fbtft_platform_data) {
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.display = {
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.buswidth = 8,
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.backlight = 1,
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.width = 480,
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.height = 272,
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},
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.bgr = true,
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.gpios = (const struct fbtft_gpio []) {
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{ "reset", 25 },
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{ "dc", 24 },
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{},
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},
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}
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}
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}, {
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.name = "er_tftm070_5",
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.spi = &(struct spi_board_info) {
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.modalias = "fb_ra8875",
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.max_speed_hz = 5000000,
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.mode = SPI_MODE_3,
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.platform_data = &(struct fbtft_platform_data) {
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.display = {
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.buswidth = 8,
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.backlight = 1,
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.width = 800,
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.height = 480,
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},
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.bgr = true,
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.gpios = (const struct fbtft_gpio []) {
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{ "reset", 25 },
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{ "dc", 24 },
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{},
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},
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}
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}
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}, {
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.name = "flexfb",
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.spi = &(struct spi_board_info) {
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.modalias = "flexfb",
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.max_speed_hz = 32000000,
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.mode = SPI_MODE_0,
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.platform_data = &(struct fbtft_platform_data) {
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.gpios = (const struct fbtft_gpio []) {
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{ "reset", 25 },
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{ "dc", 24 },
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{},
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},
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}
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}
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}, {
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.name = "flexpfb",
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.pdev = &(struct platform_device) {
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.name = "flexpfb",
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.id = 0,
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.dev = {
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.release = fbtft_device_pdev_release,
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.platform_data = &(struct fbtft_platform_data) {
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.gpios = (const struct fbtft_gpio []) {
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{ "reset", 17 },
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{ "dc", 1 },
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{ "wr", 0 },
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{ "cs", 21 },
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{ "db00", 9 },
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{ "db01", 11 },
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{ "db02", 18 },
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{ "db03", 23 },
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{ "db04", 24 },
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{ "db05", 25 },
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{ "db06", 8 },
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{ "db07", 7 },
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{ "led", 4 },
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{},
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},
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},
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}
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}
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}, {
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.name = "freetronicsoled128",
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.spi = &(struct spi_board_info) {
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.modalias = "fb_ssd1351",
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.max_speed_hz = 20000000,
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.mode = SPI_MODE_0,
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.platform_data = &(struct fbtft_platform_data) {
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.display = {
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.buswidth = 8,
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.backlight = FBTFT_ONBOARD_BACKLIGHT,
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},
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.bgr = true,
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.gpios = (const struct fbtft_gpio []) {
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{ "reset", 24 },
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{ "dc", 25 },
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{},
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},
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}
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}
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}, {
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.name = "hx8353d",
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.spi = &(struct spi_board_info) {
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.modalias = "fb_hx8353d",
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.max_speed_hz = 16000000,
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.mode = SPI_MODE_0,
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.platform_data = &(struct fbtft_platform_data) {
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.display = {
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.buswidth = 8,
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.backlight = 1,
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},
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.gpios = (const struct fbtft_gpio []) {
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{ "reset", 25 },
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{ "dc", 24 },
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{ "led", 23 },
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{},
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},
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}
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}
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}, {
|
|
.name = "hy28a",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_ili9320",
|
|
.max_speed_hz = 32000000,
|
|
.mode = SPI_MODE_3,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 8,
|
|
.backlight = 1,
|
|
},
|
|
.startbyte = 0b01110000,
|
|
.bgr = true,
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "reset", 25 },
|
|
{ "led", 18 },
|
|
{},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "hy28b",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_ili9325",
|
|
.max_speed_hz = 48000000,
|
|
.mode = SPI_MODE_3,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 8,
|
|
.backlight = 1,
|
|
.init_sequence = hy28b_init_sequence,
|
|
},
|
|
.startbyte = 0b01110000,
|
|
.bgr = true,
|
|
.fps= 50,
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "reset", 25 },
|
|
{ "led", 18 },
|
|
{},
|
|
},
|
|
.gamma = HY28B_GAMMA,
|
|
}
|
|
}
|
|
}, {
|
|
.name = "ili9481",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_ili9481",
|
|
.max_speed_hz = 32000000,
|
|
.mode = SPI_MODE_0,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.regwidth = 16,
|
|
.buswidth = 8,
|
|
.backlight = 1,
|
|
},
|
|
.bgr = true,
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "reset", 25 },
|
|
{ "dc", 24 },
|
|
{ "led", 22 },
|
|
{},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "itdb24",
|
|
.pdev = &(struct platform_device) {
|
|
.name = "fb_s6d1121",
|
|
.id = 0,
|
|
.dev = {
|
|
.release = fbtft_device_pdev_release,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 8,
|
|
.backlight = 1,
|
|
},
|
|
.bgr = false,
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
/* Wiring for LCD adapter kit */
|
|
{ "reset", 7 },
|
|
{ "dc", 0 }, /* rev 2: 2 */
|
|
{ "wr", 1 }, /* rev 2: 3 */
|
|
{ "cs", 8 },
|
|
{ "db00", 17 },
|
|
{ "db01", 18 },
|
|
{ "db02", 21 }, /* rev 2: 27 */
|
|
{ "db03", 22 },
|
|
{ "db04", 23 },
|
|
{ "db05", 24 },
|
|
{ "db06", 25 },
|
|
{ "db07", 4 },
|
|
{}
|
|
},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "itdb28",
|
|
.pdev = &(struct platform_device) {
|
|
.name = "fb_ili9325",
|
|
.id = 0,
|
|
.dev = {
|
|
.release = fbtft_device_pdev_release,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 8,
|
|
.backlight = 1,
|
|
},
|
|
.bgr = true,
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{},
|
|
},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "itdb28_spi",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_ili9325",
|
|
.max_speed_hz = 32000000,
|
|
.mode = SPI_MODE_0,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 8,
|
|
.backlight = 1,
|
|
},
|
|
.bgr = true,
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "reset", 25 },
|
|
{ "dc", 24 },
|
|
{},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "mi0283qt-2",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_hx8347d",
|
|
.max_speed_hz = 32000000,
|
|
.mode = SPI_MODE_0,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 8,
|
|
.backlight = 1,
|
|
},
|
|
.startbyte = 0b01110000,
|
|
.bgr = true,
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "reset", 25 },
|
|
{ "dc", 24 },
|
|
{ "led", 18 },
|
|
{},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "mi0283qt-9a",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_ili9341",
|
|
.max_speed_hz = 32000000,
|
|
.mode = SPI_MODE_0,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 9,
|
|
.backlight = 1,
|
|
},
|
|
.bgr = true,
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "reset", 25 },
|
|
{ "led", 18 },
|
|
{},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "mi0283qt-v2",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_watterott",
|
|
.max_speed_hz = 4000000,
|
|
.mode = SPI_MODE_3,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "reset", 25 },
|
|
{},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "nokia3310",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_pcd8544",
|
|
.max_speed_hz = 400000,
|
|
.mode = SPI_MODE_0,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 8,
|
|
},
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "reset", 25 },
|
|
{ "dc", 24 },
|
|
{ "led", 23 },
|
|
{},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "nokia3310a",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_tls8204",
|
|
.max_speed_hz = 1000000,
|
|
.mode = SPI_MODE_0,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 8,
|
|
},
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "reset", 25 },
|
|
{ "dc", 24 },
|
|
{ "led", 23 },
|
|
{},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "piscreen",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_ili9486",
|
|
.max_speed_hz = 32000000,
|
|
.mode = SPI_MODE_0,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.regwidth = 16,
|
|
.buswidth = 8,
|
|
.backlight = 1,
|
|
},
|
|
.bgr = true,
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "reset", 25 },
|
|
{ "dc", 24 },
|
|
{ "led", 22 },
|
|
{},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "pitft",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_ili9340",
|
|
.max_speed_hz = 32000000,
|
|
.mode = SPI_MODE_0,
|
|
.chip_select = 0,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 8,
|
|
.backlight = 1,
|
|
.init_sequence = pitft_init_sequence,
|
|
},
|
|
.bgr = true,
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "dc", 25 },
|
|
{},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "pioled",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_ssd1351",
|
|
.max_speed_hz = 20000000,
|
|
.mode = SPI_MODE_0,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 8,
|
|
},
|
|
.bgr = true,
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "reset", 24 },
|
|
{ "dc", 25 },
|
|
{},
|
|
},
|
|
.gamma = "0 2 2 2 2 2 2 2 " \
|
|
"2 2 2 2 2 2 2 2 " \
|
|
"2 2 2 2 2 2 2 2 " \
|
|
"2 2 2 2 2 2 2 3 " \
|
|
"3 3 3 3 3 3 3 3 " \
|
|
"3 3 3 3 3 3 3 3 " \
|
|
"3 3 3 4 4 4 4 4 " \
|
|
"4 4 4 4 4 4 4"
|
|
}
|
|
}
|
|
}, {
|
|
.name = "rpi-display",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_ili9341",
|
|
.max_speed_hz = 32000000,
|
|
.mode = SPI_MODE_0,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 8,
|
|
.backlight = 1,
|
|
},
|
|
.bgr = true,
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "reset", 23 },
|
|
{ "dc", 24 },
|
|
{ "led", 18 },
|
|
{},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "s6d02a1",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_s6d02a1",
|
|
.max_speed_hz = 32000000,
|
|
.mode = SPI_MODE_0,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 8,
|
|
.backlight = 1,
|
|
},
|
|
.bgr = true,
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "reset", 25 },
|
|
{ "dc", 24 },
|
|
{ "led", 23 },
|
|
{},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "sainsmart18",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_st7735r",
|
|
.max_speed_hz = 32000000,
|
|
.mode = SPI_MODE_0,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 8,
|
|
},
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "reset", 25 },
|
|
{ "dc", 24 },
|
|
{},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "sainsmart32",
|
|
.pdev = &(struct platform_device) {
|
|
.name = "fb_ssd1289",
|
|
.id = 0,
|
|
.dev = {
|
|
.release = fbtft_device_pdev_release,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 16,
|
|
.txbuflen = -2, /* disable buffer */
|
|
.backlight = 1,
|
|
.fbtftops.write = write_gpio16_wr_slow,
|
|
},
|
|
.bgr = true,
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}, {
|
|
.name = "sainsmart32_fast",
|
|
.pdev = &(struct platform_device) {
|
|
.name = "fb_ssd1289",
|
|
.id = 0,
|
|
.dev = {
|
|
.release = fbtft_device_pdev_release,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 16,
|
|
.txbuflen = -2, /* disable buffer */
|
|
.backlight = 1,
|
|
},
|
|
.bgr = true,
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}, {
|
|
.name = "sainsmart32_latched",
|
|
.pdev = &(struct platform_device) {
|
|
.name = "fb_ssd1289",
|
|
.id = 0,
|
|
.dev = {
|
|
.release = fbtft_device_pdev_release,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 16,
|
|
.txbuflen = -2, /* disable buffer */
|
|
.backlight = 1,
|
|
.fbtftops.write = \
|
|
fbtft_write_gpio16_wr_latched,
|
|
},
|
|
.bgr = true,
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
}, {
|
|
.name = "sainsmart32_spi",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_ssd1289",
|
|
.max_speed_hz = 16000000,
|
|
.mode = SPI_MODE_0,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 8,
|
|
.backlight = 1,
|
|
},
|
|
.bgr = true,
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "reset", 25 },
|
|
{ "dc", 24 },
|
|
{},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "spidev",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "spidev",
|
|
.max_speed_hz = 500000,
|
|
.bus_num = 0,
|
|
.chip_select = 0,
|
|
.mode = SPI_MODE_0,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "ssd1331",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_ssd1331",
|
|
.max_speed_hz = 20000000,
|
|
.mode = SPI_MODE_3,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 8,
|
|
},
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "reset", 24 },
|
|
{ "dc", 25 },
|
|
{},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "tinylcd35",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_tinylcd",
|
|
.max_speed_hz = 32000000,
|
|
.mode = SPI_MODE_0,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 8,
|
|
.backlight = 1,
|
|
},
|
|
.bgr = true,
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "reset", 25 },
|
|
{ "dc", 24 },
|
|
{ "led", 18 },
|
|
{},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "tm022hdh26",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_ili9341",
|
|
.max_speed_hz = 32000000,
|
|
.mode = SPI_MODE_0,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 8,
|
|
.backlight = 1,
|
|
},
|
|
.bgr = true,
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "reset", 25 },
|
|
{ "dc", 24 },
|
|
{ "led", 18 },
|
|
{},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "tontec35_9481", /* boards before 02 July 2014 */
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_ili9481",
|
|
.max_speed_hz = 128000000,
|
|
.mode = SPI_MODE_3,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 8,
|
|
.backlight = 1,
|
|
},
|
|
.bgr = true,
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "reset", 15 },
|
|
{ "dc", 25 },
|
|
{ "led_", 18 },
|
|
{},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "tontec35_9486", /* boards after 02 July 2014 */
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_ili9486",
|
|
.max_speed_hz = 128000000,
|
|
.mode = SPI_MODE_3,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 8,
|
|
.backlight = 1,
|
|
},
|
|
.bgr = true,
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "reset", 15 },
|
|
{ "dc", 25 },
|
|
{ "led_", 18 },
|
|
{},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "upd161704",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_upd161704",
|
|
.max_speed_hz = 32000000,
|
|
.mode = SPI_MODE_0,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 8,
|
|
},
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "reset", 24 },
|
|
{ "dc", 25 },
|
|
{},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "waveshare32b",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_ili9340",
|
|
.max_speed_hz = 48000000,
|
|
.mode = SPI_MODE_0,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 8,
|
|
.backlight = 1,
|
|
.init_sequence = waveshare32b_init_sequence,
|
|
},
|
|
.bgr = true,
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "reset", 27 },
|
|
{ "dc", 22 },
|
|
{},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
.name = "waveshare22",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "fb_bd663474",
|
|
.max_speed_hz = 32000000,
|
|
.mode = SPI_MODE_3,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.display = {
|
|
.buswidth = 8,
|
|
},
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{ "reset", 24 },
|
|
{ "dc", 25 },
|
|
{},
|
|
},
|
|
}
|
|
}
|
|
}, {
|
|
/* This should be the last item.
|
|
Used with the custom argument */
|
|
.name = "",
|
|
.spi = &(struct spi_board_info) {
|
|
.modalias = "",
|
|
.max_speed_hz = 0,
|
|
.mode = SPI_MODE_0,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{},
|
|
},
|
|
}
|
|
},
|
|
.pdev = &(struct platform_device) {
|
|
.name = "",
|
|
.id = 0,
|
|
.dev = {
|
|
.release = fbtft_device_pdev_release,
|
|
.platform_data = &(struct fbtft_platform_data) {
|
|
.gpios = (const struct fbtft_gpio []) {
|
|
{},
|
|
},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
};
|
|
|
|
static int write_gpio16_wr_slow(struct fbtft_par *par, void *buf, size_t len)
|
|
{
|
|
u16 data;
|
|
int i;
|
|
#ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO
|
|
static u16 prev_data;
|
|
#endif
|
|
|
|
fbtft_par_dbg_hex(DEBUG_WRITE, par, par->info->device, u8, buf, len,
|
|
"%s(len=%d): ", __func__, len);
|
|
|
|
while (len) {
|
|
data = *(u16 *) buf;
|
|
|
|
/* Start writing by pulling down /WR */
|
|
gpio_set_value(par->gpio.wr, 0);
|
|
|
|
/* Set data */
|
|
#ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO
|
|
if (data == prev_data) {
|
|
gpio_set_value(par->gpio.wr, 0); /* used as delay */
|
|
} else {
|
|
for (i = 0; i < 16; i++) {
|
|
if ((data & 1) != (prev_data & 1))
|
|
gpio_set_value(par->gpio.db[i],
|
|
(data & 1));
|
|
data >>= 1;
|
|
prev_data >>= 1;
|
|
}
|
|
}
|
|
#else
|
|
for (i = 0; i < 16; i++) {
|
|
gpio_set_value(par->gpio.db[i], (data & 1));
|
|
data >>= 1;
|
|
}
|
|
#endif
|
|
|
|
/* Pullup /WR */
|
|
gpio_set_value(par->gpio.wr, 1);
|
|
|
|
#ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO
|
|
prev_data = *(u16 *) buf;
|
|
#endif
|
|
buf += 2;
|
|
len -= 2;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void adafruit18_green_tab_set_addr_win(struct fbtft_par *par,
|
|
int xs, int ys, int xe, int ye)
|
|
{
|
|
fbtft_par_dbg(DEBUG_SET_ADDR_WIN, par,
|
|
"%s(xs=%d, ys=%d, xe=%d, ye=%d)\n", __func__, xs, ys, xe, ye);
|
|
write_reg(par, 0x2A, 0, xs + 2, 0, xe + 2);
|
|
write_reg(par, 0x2B, 0, ys + 1, 0, ye + 1);
|
|
write_reg(par, 0x2C);
|
|
}
|
|
|
|
/* used if gpios parameter is present */
|
|
static struct fbtft_gpio fbtft_device_param_gpios[MAX_GPIOS+1] = { };
|
|
|
|
static void fbtft_device_pdev_release(struct device *dev)
|
|
{
|
|
/* Needed to silence this message:
|
|
Device 'xxx' does not have a release() function, it is broken and must be fixed
|
|
*/
|
|
}
|
|
|
|
static int spi_device_found(struct device *dev, void *data)
|
|
{
|
|
struct spi_device *spi = container_of(dev, struct spi_device, dev);
|
|
|
|
pr_info(DRVNAME": %s %s %dkHz %d bits mode=0x%02X\n",
|
|
spi->modalias, dev_name(dev), spi->max_speed_hz/1000,
|
|
spi->bits_per_word, spi->mode);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void pr_spi_devices(void)
|
|
{
|
|
pr_info(DRVNAME": SPI devices registered:\n");
|
|
bus_for_each_dev(&spi_bus_type, NULL, NULL, spi_device_found);
|
|
}
|
|
|
|
static int p_device_found(struct device *dev, void *data)
|
|
{
|
|
struct platform_device
|
|
*pdev = container_of(dev, struct platform_device, dev);
|
|
|
|
if (strstr(pdev->name, "fb"))
|
|
pr_info(DRVNAME": %s id=%d pdata? %s\n",
|
|
pdev->name, pdev->id,
|
|
pdev->dev.platform_data ? "yes" : "no");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void pr_p_devices(void)
|
|
{
|
|
pr_info(DRVNAME": 'fb' Platform devices registered:\n");
|
|
bus_for_each_dev(&platform_bus_type, NULL, NULL, p_device_found);
|
|
}
|
|
|
|
#ifdef MODULE
|
|
static void fbtft_device_spi_delete(struct spi_master *master, unsigned cs)
|
|
{
|
|
struct device *dev;
|
|
char str[32];
|
|
|
|
snprintf(str, sizeof(str), "%s.%u", dev_name(&master->dev), cs);
|
|
|
|
dev = bus_find_device_by_name(&spi_bus_type, NULL, str);
|
|
if (dev) {
|
|
if (verbose)
|
|
pr_info(DRVNAME": Deleting %s\n", str);
|
|
device_del(dev);
|
|
}
|
|
}
|
|
|
|
static int fbtft_device_spi_device_register(struct spi_board_info *spi)
|
|
{
|
|
struct spi_master *master;
|
|
|
|
master = spi_busnum_to_master(spi->bus_num);
|
|
if (!master) {
|
|
pr_err(DRVNAME ": spi_busnum_to_master(%d) returned NULL\n",
|
|
spi->bus_num);
|
|
return -EINVAL;
|
|
}
|
|
/* make sure it's available */
|
|
fbtft_device_spi_delete(master, spi->chip_select);
|
|
spi_device = spi_new_device(master, spi);
|
|
put_device(&master->dev);
|
|
if (!spi_device) {
|
|
pr_err(DRVNAME ": spi_new_device() returned NULL\n");
|
|
return -EPERM;
|
|
}
|
|
return 0;
|
|
}
|
|
#else
|
|
static int fbtft_device_spi_device_register(struct spi_board_info *spi)
|
|
{
|
|
return spi_register_board_info(spi, 1);
|
|
}
|
|
#endif
|
|
|
|
static int __init fbtft_device_init(void)
|
|
{
|
|
struct spi_board_info *spi = NULL;
|
|
struct fbtft_platform_data *pdata;
|
|
const struct fbtft_gpio *gpio = NULL;
|
|
char *p_gpio, *p_name, *p_num;
|
|
bool found = false;
|
|
int i = 0;
|
|
long val;
|
|
int ret = 0;
|
|
|
|
pr_debug("\n\n"DRVNAME": init\n");
|
|
|
|
if (name == NULL) {
|
|
#ifdef MODULE
|
|
pr_err(DRVNAME": missing module parameter: 'name'\n");
|
|
return -EINVAL;
|
|
#else
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
if (init_num > FBTFT_MAX_INIT_SEQUENCE) {
|
|
pr_err(DRVNAME \
|
|
": init parameter: exceeded max array size: %d\n",
|
|
FBTFT_MAX_INIT_SEQUENCE);
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* parse module parameter: gpios */
|
|
while ((p_gpio = strsep(&gpios, ","))) {
|
|
if (strchr(p_gpio, ':') == NULL) {
|
|
pr_err(DRVNAME \
|
|
": error: missing ':' in gpios parameter: %s\n",
|
|
p_gpio);
|
|
return -EINVAL;
|
|
}
|
|
p_num = p_gpio;
|
|
p_name = strsep(&p_num, ":");
|
|
if (p_name == NULL || p_num == NULL) {
|
|
pr_err(DRVNAME \
|
|
": something bad happened parsing gpios parameter: %s\n",
|
|
p_gpio);
|
|
return -EINVAL;
|
|
}
|
|
ret = kstrtol(p_num, 10, &val);
|
|
if (ret) {
|
|
pr_err(DRVNAME \
|
|
": could not parse number in gpios parameter: %s:%s\n",
|
|
p_name, p_num);
|
|
return -EINVAL;
|
|
}
|
|
strcpy(fbtft_device_param_gpios[i].name, p_name);
|
|
fbtft_device_param_gpios[i++].gpio = (int) val;
|
|
if (i == MAX_GPIOS) {
|
|
pr_err(DRVNAME \
|
|
": gpios parameter: exceeded max array size: %d\n",
|
|
MAX_GPIOS);
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
if (fbtft_device_param_gpios[0].name[0])
|
|
gpio = fbtft_device_param_gpios;
|
|
|
|
if (verbose > 2)
|
|
pr_spi_devices(); /* print list of registered SPI devices */
|
|
|
|
if (verbose > 2)
|
|
pr_p_devices(); /* print list of 'fb' platform devices */
|
|
|
|
pr_debug(DRVNAME": name='%s', busnum=%d, cs=%d\n", name, busnum, cs);
|
|
|
|
if (rotate > 0 && rotate < 4) {
|
|
rotate = (4 - rotate) * 90;
|
|
pr_warn("argument 'rotate' should be an angle. Values 1-3 is deprecated. Setting it to %d.\n",
|
|
rotate);
|
|
}
|
|
if (rotate != 0 && rotate != 90 && rotate != 180 && rotate != 270) {
|
|
pr_warn("argument 'rotate' illegal value: %d. Setting it to 0.\n",
|
|
rotate);
|
|
rotate = 0;
|
|
}
|
|
|
|
/* name=list lists all supported displays */
|
|
if (strncmp(name, "list", 32) == 0) {
|
|
pr_info(DRVNAME": Supported displays:\n");
|
|
|
|
for (i = 0; i < ARRAY_SIZE(displays); i++)
|
|
pr_info(DRVNAME": %s\n", displays[i].name);
|
|
return -ECANCELED;
|
|
}
|
|
|
|
if (custom) {
|
|
i = ARRAY_SIZE(displays) - 1;
|
|
displays[i].name = name;
|
|
if (speed == 0) {
|
|
displays[i].pdev->name = name;
|
|
displays[i].spi = NULL;
|
|
} else {
|
|
strncpy(displays[i].spi->modalias, name, SPI_NAME_SIZE);
|
|
displays[i].pdev = NULL;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < ARRAY_SIZE(displays); i++) {
|
|
if (strncmp(name, displays[i].name, 32) == 0) {
|
|
if (displays[i].spi) {
|
|
spi = displays[i].spi;
|
|
spi->chip_select = cs;
|
|
spi->bus_num = busnum;
|
|
if (speed)
|
|
spi->max_speed_hz = speed;
|
|
if (mode != -1)
|
|
spi->mode = mode;
|
|
pdata = (void *)spi->platform_data;
|
|
} else if (displays[i].pdev) {
|
|
p_device = displays[i].pdev;
|
|
pdata = p_device->dev.platform_data;
|
|
} else {
|
|
pr_err(DRVNAME": broken displays array\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
pdata->rotate = rotate;
|
|
if (bgr == 0)
|
|
pdata->bgr = false;
|
|
else if (bgr == 1)
|
|
pdata->bgr = true;
|
|
if (startbyte)
|
|
pdata->startbyte = startbyte;
|
|
if (gamma)
|
|
pdata->gamma = gamma;
|
|
pdata->display.debug = debug;
|
|
if (fps)
|
|
pdata->fps = fps;
|
|
if (txbuflen)
|
|
pdata->txbuflen = txbuflen;
|
|
if (init_num)
|
|
pdata->display.init_sequence = init;
|
|
if (gpio)
|
|
pdata->gpios = gpio;
|
|
if (custom) {
|
|
pdata->display.width = width;
|
|
pdata->display.height = height;
|
|
pdata->display.buswidth = buswidth;
|
|
pdata->display.backlight = 1;
|
|
}
|
|
|
|
if (displays[i].spi) {
|
|
ret = fbtft_device_spi_device_register(spi);
|
|
if (ret) {
|
|
pr_err(DRVNAME \
|
|
": failed to register SPI device\n");
|
|
return ret;
|
|
}
|
|
found = true;
|
|
break;
|
|
} else {
|
|
ret = platform_device_register(p_device);
|
|
if (ret < 0) {
|
|
pr_err(DRVNAME \
|
|
": platform_device_register() returned %d\n",
|
|
ret);
|
|
return ret;
|
|
}
|
|
found = true;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!found) {
|
|
pr_err(DRVNAME": display not supported: '%s'\n", name);
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (verbose && pdata && pdata->gpios) {
|
|
gpio = pdata->gpios;
|
|
pr_info(DRVNAME": GPIOS used by '%s':\n", name);
|
|
found = false;
|
|
while (verbose && gpio->name[0]) {
|
|
pr_info(DRVNAME": '%s' = GPIO%d\n",
|
|
gpio->name, gpio->gpio);
|
|
gpio++;
|
|
found = true;
|
|
}
|
|
if (!found)
|
|
pr_info(DRVNAME": (none)\n");
|
|
}
|
|
|
|
if (spi_device && (verbose > 1))
|
|
pr_spi_devices();
|
|
if (p_device && (verbose > 1))
|
|
pr_p_devices();
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void __exit fbtft_device_exit(void)
|
|
{
|
|
pr_debug(DRVNAME" - exit\n");
|
|
|
|
if (spi_device) {
|
|
device_del(&spi_device->dev);
|
|
kfree(spi_device);
|
|
}
|
|
|
|
if (p_device)
|
|
platform_device_unregister(p_device);
|
|
|
|
}
|
|
|
|
arch_initcall(fbtft_device_init);
|
|
module_exit(fbtft_device_exit);
|
|
|
|
MODULE_DESCRIPTION("Add a FBTFT device.");
|
|
MODULE_AUTHOR("Noralf Tronnes");
|
|
MODULE_LICENSE("GPL");
|