diff options
Diffstat (limited to 'drivers/staging/fbtft/fbtft_device.c')
| -rw-r--r-- | drivers/staging/fbtft/fbtft_device.c | 344 |
1 files changed, 8 insertions, 336 deletions
diff --git a/drivers/staging/fbtft/fbtft_device.c b/drivers/staging/fbtft/fbtft_device.c index 046f9d355ecb..5f6cd0816d58 100644 --- a/drivers/staging/fbtft/fbtft_device.c +++ b/drivers/staging/fbtft/fbtft_device.c @@ -8,7 +8,7 @@ #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> @@ -45,11 +45,6 @@ static int mode = -1; 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)"); @@ -101,7 +96,7 @@ MODULE_PARM_DESC(debug, 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; @@ -279,12 +274,6 @@ static struct fbtft_device_display displays[] = { .buswidth = 8, .backlight = 1, }, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "dc", 24 }, - { "led", 18 }, - {}, - }, .gamma = ADAFRUIT18_GAMMA, } } @@ -302,12 +291,6 @@ static struct fbtft_device_display displays[] = { adafruit18_green_tab_set_addr_win, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "dc", 24 }, - { "led", 18 }, - {}, - }, .gamma = ADAFRUIT18_GAMMA, } } @@ -323,11 +306,6 @@ static struct fbtft_device_display displays[] = { .backlight = 1, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "led", 23 }, - {}, - }, } } }, { @@ -342,12 +320,6 @@ static struct fbtft_device_display displays[] = { .backlight = 1, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "dc", 24 }, - { "led", 18 }, - {}, - }, } } }, { @@ -362,12 +334,6 @@ static struct fbtft_device_display displays[] = { .backlight = 1, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "dc", 24 }, - { "led", 18 }, - {}, - }, } } }, { @@ -380,11 +346,6 @@ static struct fbtft_device_display displays[] = { .display = { .buswidth = 8, }, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "dc", 24 }, - {}, - }, } } }, { @@ -399,12 +360,6 @@ static struct fbtft_device_display displays[] = { .backlight = 1, .init_sequence = cberry28_init_sequence, }, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "dc", 22 }, - { "led", 18 }, - {}, - }, .gamma = CBERRY28_GAMMA, } } @@ -420,9 +375,6 @@ static struct fbtft_device_display displays[] = { .buswidth = 8, .backlight = FBTFT_ONBOARD_BACKLIGHT, }, - .gpios = (const struct fbtft_gpio []) { - {}, - }, }, } } @@ -437,11 +389,6 @@ static struct fbtft_device_display displays[] = { .buswidth = 8, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "reset", 13 }, - { "dc", 6 }, - {}, - }, } } }, { @@ -458,11 +405,6 @@ static struct fbtft_device_display displays[] = { .height = 272, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "dc", 24 }, - {}, - }, } } }, { @@ -479,11 +421,6 @@ static struct fbtft_device_display displays[] = { .height = 480, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "dc", 24 }, - {}, - }, } } }, { @@ -496,10 +433,6 @@ static struct fbtft_device_display displays[] = { .display = { .buswidth = 8, }, - .gpios = (const struct fbtft_gpio []) { - { "dc", 24 }, - {}, - }, } } }, { @@ -512,9 +445,6 @@ static struct fbtft_device_display displays[] = { .display = { .buswidth = 9, }, - .gpios = (const struct fbtft_gpio []) { - {}, - }, } } }, { @@ -523,13 +453,6 @@ static struct fbtft_device_display displays[] = { .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", @@ -538,24 +461,6 @@ static struct fbtft_device_display displays[] = { .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 }, - {}, - }, - }, } } }, { @@ -570,11 +475,6 @@ static struct fbtft_device_display displays[] = { .backlight = FBTFT_ONBOARD_BACKLIGHT, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "reset", 24 }, - { "dc", 25 }, - {}, - }, } } }, { @@ -588,12 +488,6 @@ static struct fbtft_device_display displays[] = { .buswidth = 8, .backlight = 1, }, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "dc", 24 }, - { "led", 23 }, - {}, - }, } } }, { @@ -609,11 +503,6 @@ static struct fbtft_device_display displays[] = { }, .startbyte = 0x70, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "led", 18 }, - {}, - }, } } }, { @@ -631,11 +520,6 @@ static struct fbtft_device_display displays[] = { .startbyte = 0x70, .bgr = true, .fps = 50, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "led", 18 }, - {}, - }, .gamma = HY28B_GAMMA, } } @@ -652,12 +536,6 @@ static struct fbtft_device_display displays[] = { .backlight = 1, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "dc", 24 }, - { "led", 22 }, - {}, - }, } } }, { @@ -673,22 +551,6 @@ static struct fbtft_device_display displays[] = { .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 }, - {} - }, }, } } @@ -705,9 +567,6 @@ static struct fbtft_device_display displays[] = { .backlight = 1, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - {}, - }, }, } } @@ -723,11 +582,6 @@ static struct fbtft_device_display displays[] = { .backlight = 1, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "dc", 24 }, - {}, - }, } } }, { @@ -743,12 +597,6 @@ static struct fbtft_device_display displays[] = { }, .startbyte = 0x70, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "dc", 24 }, - { "led", 18 }, - {}, - }, } } }, { @@ -763,11 +611,6 @@ static struct fbtft_device_display displays[] = { .backlight = 1, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "led", 18 }, - {}, - }, } } }, { @@ -777,10 +620,6 @@ static struct fbtft_device_display displays[] = { .max_speed_hz = 4000000, .mode = SPI_MODE_3, .platform_data = &(struct fbtft_platform_data) { - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - {}, - }, } } }, { @@ -793,12 +632,6 @@ static struct fbtft_device_display displays[] = { .display = { .buswidth = 8, }, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "dc", 24 }, - { "led", 23 }, - {}, - }, } } }, { @@ -811,12 +644,6 @@ static struct fbtft_device_display displays[] = { .display = { .buswidth = 8, }, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "dc", 24 }, - { "led", 23 }, - {}, - }, } } }, { @@ -831,9 +658,6 @@ static struct fbtft_device_display displays[] = { .backlight = 1, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - {}, - }, } } }, { @@ -849,12 +673,6 @@ static struct fbtft_device_display displays[] = { .backlight = 1, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "dc", 24 }, - { "led", 22 }, - {}, - }, } } }, { @@ -871,10 +689,6 @@ static struct fbtft_device_display displays[] = { .init_sequence = pitft_init_sequence, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "dc", 25 }, - {}, - }, } } }, { @@ -888,11 +702,6 @@ static struct fbtft_device_display displays[] = { .buswidth = 8, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "reset", 24 }, - { "dc", 25 }, - {}, - }, .gamma = PIOLED_GAMMA } } @@ -908,12 +717,6 @@ static struct fbtft_device_display displays[] = { .backlight = 1, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "reset", 23 }, - { "dc", 24 }, - { "led", 18 }, - {}, - }, } } }, { @@ -928,12 +731,6 @@ static struct fbtft_device_display displays[] = { .backlight = 1, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "dc", 24 }, - { "led", 23 }, - {}, - }, } } }, { @@ -946,11 +743,6 @@ static struct fbtft_device_display displays[] = { .display = { .buswidth = 8, }, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "dc", 24 }, - {}, - }, } } }, { @@ -968,9 +760,6 @@ static struct fbtft_device_display displays[] = { .fbtftops.write = write_gpio16_wr_slow, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - {}, - }, }, }, } @@ -988,9 +777,6 @@ static struct fbtft_device_display displays[] = { .backlight = 1, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - {}, - }, }, }, } @@ -1010,9 +796,6 @@ static struct fbtft_device_display displays[] = { fbtft_write_gpio16_wr_latched, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - {}, - }, }, }, } @@ -1028,11 +811,6 @@ static struct fbtft_device_display displays[] = { .backlight = 1, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "dc", 24 }, - {}, - }, } } }, { @@ -1044,9 +822,6 @@ static struct fbtft_device_display displays[] = { .chip_select = 0, .mode = SPI_MODE_0, .platform_data = &(struct fbtft_platform_data) { - .gpios = (const struct fbtft_gpio []) { - {}, - }, } } }, { @@ -1059,11 +834,6 @@ static struct fbtft_device_display displays[] = { .display = { .buswidth = 8, }, - .gpios = (const struct fbtft_gpio []) { - { "reset", 24 }, - { "dc", 25 }, - {}, - }, } } }, { @@ -1078,12 +848,6 @@ static struct fbtft_device_display displays[] = { .backlight = 1, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "dc", 24 }, - { "led", 18 }, - {}, - }, } } }, { @@ -1098,12 +862,6 @@ static struct fbtft_device_display displays[] = { .backlight = 1, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "reset", 25 }, - { "dc", 24 }, - { "led", 18 }, - {}, - }, } } }, { @@ -1118,12 +876,6 @@ static struct fbtft_device_display displays[] = { .backlight = 1, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "reset", 15 }, - { "dc", 25 }, - { "led_", 18 }, - {}, - }, } } }, { @@ -1138,12 +890,6 @@ static struct fbtft_device_display displays[] = { .backlight = 1, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "reset", 15 }, - { "dc", 25 }, - { "led_", 18 }, - {}, - }, } } }, { @@ -1156,11 +902,6 @@ static struct fbtft_device_display displays[] = { .display = { .buswidth = 8, }, - .gpios = (const struct fbtft_gpio []) { - { "reset", 24 }, - { "dc", 25 }, - {}, - }, } } }, { @@ -1177,11 +918,6 @@ static struct fbtft_device_display displays[] = { waveshare32b_init_sequence, }, .bgr = true, - .gpios = (const struct fbtft_gpio []) { - { "reset", 27 }, - { "dc", 22 }, - {}, - }, } } }, { @@ -1194,11 +930,6 @@ static struct fbtft_device_display displays[] = { .display = { .buswidth = 8, }, - .gpios = (const struct fbtft_gpio []) { - { "reset", 24 }, - { "dc", 25 }, - {}, - }, } } }, { @@ -1211,9 +942,6 @@ static struct fbtft_device_display displays[] = { .max_speed_hz = 0, .mode = SPI_MODE_0, .platform_data = &(struct fbtft_platform_data) { - .gpios = (const struct fbtft_gpio []) { - {}, - }, } }, .pdev = &(struct platform_device) { @@ -1222,9 +950,6 @@ static struct fbtft_device_display displays[] = { .dev = { .release = fbtft_device_pdev_release, .platform_data = &(struct fbtft_platform_data) { - .gpios = (const struct fbtft_gpio []) { - {}, - }, }, }, }, @@ -1246,30 +971,30 @@ static int write_gpio16_wr_slow(struct fbtft_par *par, void *buf, size_t len) 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; @@ -1289,9 +1014,6 @@ static void adafruit18_green_tab_set_addr_win(struct fbtft_par *par, 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: @@ -1382,11 +1104,8 @@ 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; if (!name) { @@ -1404,38 +1123,6 @@ static int __init fbtft_device_init(void) 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 */ @@ -1516,8 +1203,6 @@ static int __init fbtft_device_init(void) 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; @@ -1549,19 +1234,6 @@ static int __init fbtft_device_init(void) 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)) |