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fbtft_device.c
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/*
*
* Copyright (C) 2013, Noralf Tronnes
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/gpio.h>
#include <linux/spi/spi.h>
#include "fbtft.h"
#define DRVNAME "fbtft_device"
#define MAX_GPIOS 32
static struct spi_device *spi_device;
static struct platform_device *p_device;
static char *name;
module_param(name, charp, 0);
MODULE_PARM_DESC(name, "Devicename (required). name=list => list all supported devices.");
static unsigned rotate;
module_param(rotate, uint, 0);
MODULE_PARM_DESC(rotate,
"Angle to rotate display counter clockwise: 0, 90, 180, 270");
static unsigned busnum;
module_param(busnum, uint, 0);
MODULE_PARM_DESC(busnum, "SPI bus number (default=0)");
static unsigned cs;
module_param(cs, uint, 0);
MODULE_PARM_DESC(cs, "SPI chip select (default=0)");
static unsigned speed;
module_param(speed, uint, 0);
MODULE_PARM_DESC(speed, "SPI speed (override device default)");
static int mode = -1;
module_param(mode, int, 0);
MODULE_PARM_DESC(mode, "SPI mode (override device default)");
static char *gpios;
module_param(gpios, charp, 0);
MODULE_PARM_DESC(gpios,
"List of gpios. Comma separated with the form: reset:23,dc:24 (when overriding the default, all gpios must be specified)");
static unsigned fps;
module_param(fps, uint, 0);
MODULE_PARM_DESC(fps, "Frames per second (override driver default)");
static char *gamma;
module_param(gamma, charp, 0);
MODULE_PARM_DESC(gamma,
"String representation of Gamma Curve(s). Driver specific.");
static int txbuflen;
module_param(txbuflen, int, 0);
MODULE_PARM_DESC(txbuflen, "txbuflen (override driver default)");
static int bgr = -1;
module_param(bgr, int, 0);
MODULE_PARM_DESC(bgr,
"BGR bit (supported by some drivers).");
static unsigned startbyte;
module_param(startbyte, uint, 0);
MODULE_PARM_DESC(startbyte, "Sets the Start byte used by some SPI displays.");
static bool custom;
module_param(custom, bool, 0);
MODULE_PARM_DESC(custom, "Add a custom display device. Use speed= argument to make it a SPI device, else platform_device");
static unsigned width;
module_param(width, uint, 0);
MODULE_PARM_DESC(width, "Display width, used with the custom argument");
static unsigned height;
module_param(height, uint, 0);
MODULE_PARM_DESC(height, "Display height, used with the custom argument");
static unsigned buswidth = 8;
module_param(buswidth, uint, 0);
MODULE_PARM_DESC(buswidth, "Display bus width, used with the custom argument");
static int init[FBTFT_MAX_INIT_SEQUENCE];
static int init_num;
module_param_array(init, int, &init_num, 0);
MODULE_PARM_DESC(init, "Init sequence, used with the custom argument");
static unsigned long debug;
module_param(debug, ulong, 0);
MODULE_PARM_DESC(debug,
"level: 0-7 (the remaining 29 bits is for advanced usage)");
static unsigned verbose = 3;
module_param(verbose, uint, 0);
MODULE_PARM_DESC(verbose,
"0 silent, >0 show gpios, >1 show devices, >2 show devices before (default=3)");
struct fbtft_device_display {
char *name;
struct spi_board_info *spi;
struct platform_device *pdev;
};
/* 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);
#ifdef CONFIG_FB_TFT_SSD1289
static int write_gpio16_wr_slow(struct fbtft_par *par, void *buf, size_t len);
#endif
#ifdef CONFIG_FB_TFT_ST7735R
static void adafruit18_green_tab_set_addr_win(struct fbtft_par *par,
int xs, int ys, int xe, int ye);
#define ADAFRUIT18_GAMMA \
"02 1c 07 12 37 32 29 2d 29 25 2B 39 00 01 03 10\n" \
"03 1d 07 06 2E 2C 29 2D 2E 2E 37 3F 00 00 02 10"
#endif
#ifdef CONFIG_FB_TFT_ILI9320
static int hy28b_init_sequence[] = {
-1, 0x00e7, 0x0010, -1, 0x0000, 0x0001,
-1, 0x0001, 0x0100, -1, 0x0002, 0x0700,
-1, 0x0003, 0x1030, -1, 0x0004, 0x0000,
-1, 0x0008, 0x0207, -1, 0x0009, 0x0000,
-1, 0x000a, 0x0000, -1, 0x000c, 0x0001,
-1, 0x000d, 0x0000, -1, 0x000f, 0x0000,
-1, 0x0010, 0x0000, -1, 0x0011, 0x0007,
-1, 0x0012, 0x0000, -1, 0x0013, 0x0000,
-2, 50, -1, 0x0010, 0x1590, -1, 0x0011,
0x0227, -2, 50, -1, 0x0012, 0x009c, -2, 50,
-1, 0x0013, 0x1900, -1, 0x0029, 0x0023,
-1, 0x002b, 0x000e, -2, 50,
-1, 0x0020, 0x0000, -1, 0x0021, 0x0000,
-2, 50, -1, 0x0050, 0x0000,
-1, 0x0051, 0x00ef, -1, 0x0052, 0x0000,
-1, 0x0053, 0x013f, -1, 0x0060, 0xa700,
-1, 0x0061, 0x0001, -1, 0x006a, 0x0000,
-1, 0x0080, 0x0000, -1, 0x0081, 0x0000,
-1, 0x0082, 0x0000, -1, 0x0083, 0x0000,
-1, 0x0084, 0x0000, -1, 0x0085, 0x0000,
-1, 0x0090, 0x0010, -1, 0x0092, 0x0000,
-1, 0x0093, 0x0003, -1, 0x0095, 0x0110,
-1, 0x0097, 0x0000, -1, 0x0098, 0x0000,
-1, 0x0007, 0x0133, -1, 0x0020, 0x0000,
-1, 0x0021, 0x0000, -2, 100, -3 };
#define HY28B_GAMMA \
"04 1F 4 7 7 0 7 7 6 0\n" \
"0F 00 1 7 4 0 0 0 6 7"
#endif
#ifdef CONFIG_FB_TFT_ILI9340
static int pitft_init_sequence[] = {
-1, 0x01, -2, 5, -1, 0x28, -1, 0xEF,
0x03, 0x80, 0x02, -1, 0xCF, 0x00, 0xC1, 0x30,
-1, 0xED, 0x64, 0x03, 0x12, 0x81,
-1, 0xE8, 0x85, 0x00, 0x78,
-1, 0xCB, 0x39, 0x2C, 0x00, 0x34, 0x02,
-1, 0xF7, 0x20, -1, 0xEA, 0x00, 0x00,
-1, 0xC0, 0x23, -1, 0xC1, 0x10, -1, 0xC5,
0x3e, 0x28, -1, 0xC7, 0x86, -1, 0x3A, 0x55,
-1, 0xB1, 0x00, 0x18, -1, 0xB6, 0x08, 0x82,
0x27, -1, 0xF2, 0x00, -1, 0x26, 0x01,
-1, 0xE0, 0x0F, 0x31, 0x2B, 0x0C, 0x0E, 0x08,
0x4E, 0xF1, 0x37, 0x07, 0x10, 0x03,
0x0E, 0x09, 0x00, -1, 0xE1, 0x00, 0x0E, 0x14,
0x03, 0x11, 0x07, 0x31, 0xC1, 0x48,
0x08, 0x0F, 0x0C, 0x31, 0x36, 0x0F, -1,
0x11, -2, 100, -1, 0x29, -2, 20, -3 };
static int waveshare32b_init_sequence[] = {
-1, 0xCB, 0x39, 0x2C, 0x00, 0x34, 0x02,
-1, 0xCF, 0x00, 0xC1, 0x30,
-1, 0xE8, 0x85, 0x00, 0x78, -1, 0xEA, 0x00,
0x00, -1, 0xED, 0x64, 0x03, 0x12, 0x81,
-1, 0xF7, 0x20, -1, 0xC0, 0x23, -1, 0xC1,
0x10, -1, 0xC5, 0x3e, 0x28, -1, 0xC7, 0x86,
-1, 0x36, 0x28, -1, 0x3A, 0x55, -1, 0xB1, 0x00,
0x18, -1, 0xB6, 0x08, 0x82, 0x27,
-1, 0xF2, 0x00, -1, 0x26, 0x01,
-1, 0xE0, 0x0F, 0x31, 0x2B, 0x0C, 0x0E, 0x08, 0x4E,
0xF1, 0x37, 0x07, 0x10, 0x03, 0x0E, 0x09, 0x00,
-1, 0xE1, 0x00, 0x0E, 0x14, 0x03, 0x11, 0x07, 0x31,
0xC1, 0x48, 0x08, 0x0F, 0x0C, 0x31, 0x36, 0x0F,
-1, 0x11, -2, 120, -1, 0x29, -1, 0x2c, -3 };
#endif
/* Supported displays in alphabetical order */
static struct fbtft_device_display displays[] = {
#ifdef CONFIG_FB_TFT_AGM1264K_FL
{
.name = "agm1264k-fl",
.pdev = &(struct platform_device) {
.name = "fb_agm1264k-fl",
.id = 0,
.dev = {
.release = fbtft_device_pdev_release,
.platform_data = &(struct fbtft_platform_data) {
.display = {
.buswidth = 8,
.backlight = FBTFT_ONBOARD_BACKLIGHT,
},
.gpios = (const struct fbtft_gpio []) {
{},
},
},
}
}
},
#endif
#ifdef CONFIG_FB_TFT_BD663474
{
.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 },
{},
},
}
}
},
#endif
#ifdef CONFIG_FB_TFT_HX8340BN
{
.name = "adafruit22",
.spi = &(struct spi_board_info) {
.modalias = "fb_hx8340bn",
.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", 23 },
{},
},
}
}
},
#endif
#ifdef CONFIG_FB_TFT_HX8347D
{
.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 = 0x70,
.bgr = true,
.gpios = (const struct fbtft_gpio []) {
{ "reset", 25 },
{ "dc", 24 },
{ "led", 18 },
{},
},
}
}
},
#endif
#ifdef CONFIG_FB_TFT_HX8353D
{
.name = "hx8353d",
.spi = &(struct spi_board_info) {
.modalias = "fb_hx8353d",
.max_speed_hz = 16000000,
.mode = SPI_MODE_0,
.platform_data = &(struct fbtft_platform_data) {
.display = {
.buswidth = 8,
.backlight = 1,
},
.gpios = (const struct fbtft_gpio []) {
{ "reset", 25 },
{ "dc", 24 },
{ "led", 23 },
{},
},
}
}
},
#endif
#ifdef CONFIG_FB_TFT_ILI9163
{
.name = "nokia5110",
.spi = &(struct spi_board_info) {
.modalias = "fb_ili9163",
.max_speed_hz = 12000000,
.mode = SPI_MODE_0,
.platform_data = &(struct fbtft_platform_data) {
.display = {
.buswidth = 8,
.backlight = 1,
},
.bgr = true,
.gpios = (const struct fbtft_gpio []) {
{},
},
}
}
},
#endif
#ifdef CONFIG_FB_TFT_ILI9320
{
.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 = 0x70,
.bgr = true,
.gpios = (const struct fbtft_gpio []) {
{ "reset", 25 },
{ "led", 18 },
{},
},
}
}
},
#endif
#ifdef CONFIG_FB_TFT_ILI9325
{
.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 = 0x70,
.bgr = true,
.fps = 50,
.gpios = (const struct fbtft_gpio []) {
{ "reset", 25 },
{ "led", 18 },
{},
},
.gamma = HY28B_GAMMA,
}
}
},
{
.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 },
{},
},
}
}
},
#endif
#ifdef CONFIG_FB_TFT_ILI9340
{
.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 = "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 = "adafruit22a",
.spi = &(struct spi_board_info) {
.modalias = "fb_ili9340",
.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 },
{},
},
}
}
},
#endif
#ifdef CONFIG_FB_TFT_ILI9341
{
.name = "adafruit28",
.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 = "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 = "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 = "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 },
{},
},
}
}
},
#endif
#ifdef CONFIG_FB_TFT_ILI9481
{
.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 = "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 },
{},
},
}
}
},
#endif
#ifdef CONFIG_FB_TFT_ILI9486
{
.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 = "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 },
{},
},
}
}
},
#endif
#ifdef CONFIG_FB_TFT_PCD8544
{
.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 },
{},
},
}
}
},
#endif
#ifdef CONFIG_FB_TFT_RA8875
{
.name = "er_tftm050_2",
.spi = &(struct spi_board_info) {
.modalias = "fb_ra8875",
.max_speed_hz = 5000000,
.mode = SPI_MODE_3,
.platform_data = &(struct fbtft_platform_data) {
.display = {
.buswidth = 8,
.backlight = 1,
.width = 480,
.height = 272,
},
.bgr = true,
.gpios = (const struct fbtft_gpio []) {
{ "reset", 25 },
{ "dc", 24 },
{},
},
}
}
},
{
.name = "er_tftm070_5",
.spi = &(struct spi_board_info) {
.modalias = "fb_ra8875",
.max_speed_hz = 5000000,
.mode = SPI_MODE_3,
.platform_data = &(struct fbtft_platform_data) {
.display = {
.buswidth = 8,
.backlight = 1,
.width = 800,
.height = 480,
},
.bgr = true,
.gpios = (const struct fbtft_gpio []) {
{ "reset", 25 },
{ "dc", 24 },
{},
},
}
}
},
#endif
//#ifdef CONFIG_FB_TFT_S6D0154
{
.name = "mcufriend24-galileo2",
.pdev = &(struct platform_device) {
.name = "fb_s6d0154",
.id = 0,
.dev = {
.release = fbtft_device_pdev_release,
.platform_data = &(struct fbtft_platform_data) {
.display = {
.buswidth = 8,
},
.gpios = (const struct fbtft_gpio []) {
{ "db2", 13 },
{ "db3", 14 },
{ "db4", 6 },
{ "db5", 0 },
{ "db6", 1 },
{ "db7", 12 },
{ "db0", 11 },
{ "db1", 4 },
{ "cs", 10 },
{ "dc", 5 },
{ "wr", 15 },
{ "rd", 7 },
{},
},
},
}
}
},
//#endif
#ifdef CONFIG_FB_TFT_S6D02A1
{
.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 },
{},
},
}
}
},
#endif
#ifdef CONFIG_FB_TFT_S6D1121
{
.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 },
{}
},
},
}
}
},
#endif
#ifdef CONFIG_FB_TFT_SSD1289
{
.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 },
{},
},
}
}
},
#endif
#ifdef CONFIG_FB_TFT_SSD1306
{
.name = "adafruit13m",
.spi = &(struct spi_board_info) {
.modalias = "fb_ssd1306",
.max_speed_hz = 16000000,
.mode = SPI_MODE_0,
.platform_data = &(struct fbtft_platform_data) {
.display = {
.buswidth = 8,
},
.gpios = (const struct fbtft_gpio []) {
{ "reset", 25 },
{ "dc", 24 },
{},
},
}
}
},
#endif
#ifdef CONFIG_FB_TFT_SSD1331
{
.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 },
{},
},
}
}
},
#endif
#ifdef CONFIG_FB_TFT_SSD1351
{
.name = "freetronicsoled128",
.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,
.backlight = FBTFT_ONBOARD_BACKLIGHT,
},
.bgr = true,
.gpios = (const struct fbtft_gpio []) {
{ "reset", 24 },
{ "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"
}