#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/spi/spi.h>
#include <video/mipi_display.h>
module_param(mode, int, 0000);
MODULE_PARM_DESC(mode, "SPI mode (override device default)");
-static char *gpios;
-module_param(gpios, charp, 0000);
-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 int fps;
module_param(fps, uint, 0000);
MODULE_PARM_DESC(fps, "Frames per second (override driver default)");
static unsigned int verbose = 3;
module_param(verbose, uint, 0000);
MODULE_PARM_DESC(verbose,
- "0 silent, >0 show gpios, >1 show devices, >2 show devices before (default=3)");
+ "0 silent, >1 show devices, >2 show devices before (default=3)");
struct fbtft_device_display {
char *name;
.buswidth = 8,
.backlight = 1,
},
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "dc", 24 },
- { "led", 18 },
- {},
- },
.gamma = ADAFRUIT18_GAMMA,
}
}
adafruit18_green_tab_set_addr_win,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "dc", 24 },
- { "led", 18 },
- {},
- },
.gamma = ADAFRUIT18_GAMMA,
}
}
.backlight = 1,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "led", 23 },
- {},
- },
}
}
}, {
.backlight = 1,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "dc", 24 },
- { "led", 18 },
- {},
- },
}
}
}, {
.backlight = 1,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "dc", 24 },
- { "led", 18 },
- {},
- },
}
}
}, {
.display = {
.buswidth = 8,
},
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "dc", 24 },
- {},
- },
}
}
}, {
.backlight = 1,
.init_sequence = cberry28_init_sequence,
},
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "dc", 22 },
- { "led", 18 },
- {},
- },
.gamma = CBERRY28_GAMMA,
}
}
.buswidth = 8,
.backlight = FBTFT_ONBOARD_BACKLIGHT,
},
- .gpios = (const struct fbtft_gpio []) {
- {},
- },
},
}
}
.buswidth = 8,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 13 },
- { "dc", 6 },
- {},
- },
}
}
}, {
.height = 272,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "dc", 24 },
- {},
- },
}
}
}, {
.height = 480,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "dc", 24 },
- {},
- },
}
}
}, {
.display = {
.buswidth = 8,
},
- .gpios = (const struct fbtft_gpio []) {
- { "dc", 24 },
- {},
- },
}
}
}, {
.display = {
.buswidth = 9,
},
- .gpios = (const struct fbtft_gpio []) {
- {},
- },
}
}
}, {
.modalias = "flexfb",
.max_speed_hz = 32000000,
.mode = SPI_MODE_0,
- .platform_data = &(struct fbtft_platform_data) {
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "dc", 24 },
- {},
- },
- }
}
}, {
.name = "flexpfb",
.id = 0,
.dev = {
.release = fbtft_device_pdev_release,
- .platform_data = &(struct fbtft_platform_data) {
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 17 },
- { "dc", 1 },
- { "wr", 0 },
- { "cs", 21 },
- { "db00", 9 },
- { "db01", 11 },
- { "db02", 18 },
- { "db03", 23 },
- { "db04", 24 },
- { "db05", 25 },
- { "db06", 8 },
- { "db07", 7 },
- { "led", 4 },
- {},
- },
- },
}
}
}, {
.backlight = FBTFT_ONBOARD_BACKLIGHT,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 24 },
- { "dc", 25 },
- {},
- },
}
}
}, {
.buswidth = 8,
.backlight = 1,
},
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "dc", 24 },
- { "led", 23 },
- {},
- },
}
}
}, {
},
.startbyte = 0x70,
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "led", 18 },
- {},
- },
}
}
}, {
.startbyte = 0x70,
.bgr = true,
.fps = 50,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "led", 18 },
- {},
- },
.gamma = HY28B_GAMMA,
}
}
.backlight = 1,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "dc", 24 },
- { "led", 22 },
- {},
- },
}
}
}, {
.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 },
- {}
- },
},
}
}
.backlight = 1,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- {},
- },
},
}
}
.backlight = 1,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "dc", 24 },
- {},
- },
}
}
}, {
},
.startbyte = 0x70,
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "dc", 24 },
- { "led", 18 },
- {},
- },
}
}
}, {
.backlight = 1,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "led", 18 },
- {},
- },
}
}
}, {
.max_speed_hz = 4000000,
.mode = SPI_MODE_3,
.platform_data = &(struct fbtft_platform_data) {
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- {},
- },
}
}
}, {
.display = {
.buswidth = 8,
},
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "dc", 24 },
- { "led", 23 },
- {},
- },
}
}
}, {
.display = {
.buswidth = 8,
},
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "dc", 24 },
- { "led", 23 },
- {},
- },
}
}
}, {
.backlight = 1,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- {},
- },
}
}
}, {
.backlight = 1,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "dc", 24 },
- { "led", 22 },
- {},
- },
}
}
}, {
.init_sequence = pitft_init_sequence,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "dc", 25 },
- {},
- },
}
}
}, {
.buswidth = 8,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 24 },
- { "dc", 25 },
- {},
- },
.gamma = PIOLED_GAMMA
}
}
.backlight = 1,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 23 },
- { "dc", 24 },
- { "led", 18 },
- {},
- },
}
}
}, {
.backlight = 1,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "dc", 24 },
- { "led", 23 },
- {},
- },
}
}
}, {
.display = {
.buswidth = 8,
},
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "dc", 24 },
- {},
- },
}
}
}, {
.fbtftops.write = write_gpio16_wr_slow,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- {},
- },
},
},
}
.backlight = 1,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- {},
- },
},
},
}
fbtft_write_gpio16_wr_latched,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- {},
- },
},
},
}
.backlight = 1,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "dc", 24 },
- {},
- },
}
}
}, {
.chip_select = 0,
.mode = SPI_MODE_0,
.platform_data = &(struct fbtft_platform_data) {
- .gpios = (const struct fbtft_gpio []) {
- {},
- },
}
}
}, {
.display = {
.buswidth = 8,
},
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 24 },
- { "dc", 25 },
- {},
- },
}
}
}, {
.backlight = 1,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "dc", 24 },
- { "led", 18 },
- {},
- },
}
}
}, {
.backlight = 1,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 25 },
- { "dc", 24 },
- { "led", 18 },
- {},
- },
}
}
}, {
.backlight = 1,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 15 },
- { "dc", 25 },
- { "led_", 18 },
- {},
- },
}
}
}, {
.backlight = 1,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 15 },
- { "dc", 25 },
- { "led_", 18 },
- {},
- },
}
}
}, {
.display = {
.buswidth = 8,
},
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 24 },
- { "dc", 25 },
- {},
- },
}
}
}, {
waveshare32b_init_sequence,
},
.bgr = true,
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 27 },
- { "dc", 22 },
- {},
- },
}
}
}, {
.display = {
.buswidth = 8,
},
- .gpios = (const struct fbtft_gpio []) {
- { "reset", 24 },
- { "dc", 25 },
- {},
- },
}
}
}, {
.max_speed_hz = 0,
.mode = SPI_MODE_0,
.platform_data = &(struct fbtft_platform_data) {
- .gpios = (const struct fbtft_gpio []) {
- {},
- },
}
},
.pdev = &(struct platform_device) {
.dev = {
.release = fbtft_device_pdev_release,
.platform_data = &(struct fbtft_platform_data) {
- .gpios = (const struct fbtft_gpio []) {
- {},
- },
},
},
},
data = *(u16 *)buf;
/* Start writing by pulling down /WR */
- gpio_set_value(par->gpio.wr, 0);
+ gpiod_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 */
+ gpiod_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);
+ gpiod_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);
+ gpiod_set_value(par->gpio.db[i], data & 1);
data >>= 1;
}
#endif
/* Pullup /WR */
- gpio_set_value(par->gpio.wr, 1);
+ gpiod_set_value(par->gpio.wr, 1);
#ifndef DO_NOT_OPTIMIZE_FBTFT_WRITE_GPIO
prev_data = *(u16 *)buf;
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:
{
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;
if (!name) {
return -EINVAL;
}
- /* parse module parameter: gpios */
- while ((p_gpio = strsep(&gpios, ","))) {
- if (!strchr(p_gpio, ':')) {
- pr_err("error: missing ':' in gpios parameter: %s\n",
- p_gpio);
- return -EINVAL;
- }
- p_num = p_gpio;
- p_name = strsep(&p_num, ":");
- if (!p_name || !p_num) {
- pr_err("something bad happened parsing gpios parameter: %s\n",
- p_gpio);
- return -EINVAL;
- }
- ret = kstrtol(p_num, 10, &val);
- if (ret) {
- pr_err("could not parse number in gpios parameter: %s:%s\n",
- p_name, p_num);
- return -EINVAL;
- }
- strncpy(fbtft_device_param_gpios[i].name, p_name,
- FBTFT_GPIO_NAME_SIZE - 1);
- fbtft_device_param_gpios[i++].gpio = (int)val;
- if (i == MAX_GPIOS) {
- pr_err("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 */
pr_p_devices(); /* print list of 'fb' platform devices */
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;
return -EINVAL;
}
- if (verbose && pdata && pdata->gpios) {
- gpio = pdata->gpios;
- pr_info("GPIOS used by '%s':\n", name);
- found = false;
- while (verbose && gpio->name[0]) {
- pr_info("'%s' = GPIO%d\n", gpio->name, gpio->gpio);
- gpio++;
- found = true;
- }
- if (!found)
- pr_info("(none)\n");
- }
-
if (spi_device && (verbose > 1))
pr_spi_devices();
if (p_device && (verbose > 1))
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