static int ssd1351fb_probe(struct spi_device *spi)
{
struct fb_info *info;
struct fbtft_par *par;
int ret;
fbtft_dev_dbg(DEBUG_DRIVER_INIT_FUNCTIONS, &spi->dev, "%s()\n", __func__);
info = fbtft_framebuffer_alloc(&ssd1351fb_display, &spi->dev);
if (!info) return -ENOMEM;
par = info->par;
par->spi = spi;
fbtft_debug_init(par);
par->fbtftops.init_display = ssd1351fb_init_display;
par->fbtftops.set_addr_win = ssd1351fb_set_addr_win;
par->fbtftops.verify_gpios = ssd1351fb_verify_gpios;
par->fbtftops.blank = blank;
par->fbtftops.set_gamma = set_gamma;
ret = fbtft_register_framebuffer(info);
if (ret >= 0) return 0;
fbtft_framebuffer_release(info);
return ret;
}
static int sainsmart18fb_probe(struct spi_device *spi)
{
struct fb_info *info;
struct fbtft_par *par;
int ret;
fbtft_dev_dbg(DEBUG_DRIVER_INIT_FUNCTIONS, &spi->dev, "%s()\n", __func__);
info = fbtft_framebuffer_alloc(&sainsmart18_display, &spi->dev);
if (!info)
return -ENOMEM;
par = info->par;
par->spi = spi;
fbtft_debug_init(par);
par->fbtftops.init_display = sainsmart18fb_init_display;
par->fbtftops.verify_gpios = sainsmart18fb_verify_gpios;
par->fbtftops.register_backlight = fbtft_register_backlight;
ret = fbtft_register_framebuffer(info);
if (ret < 0)
goto out_release;
return 0;
out_release:
fbtft_framebuffer_release(info);
return ret;
}
static int ili9341fb_probe(struct spi_device *spi)
{
struct fb_info *info;
struct fbtft_par *par;
int ret;
fbtft_dev_dbg(DEBUG_DRIVER_INIT_FUNCTIONS, &spi->dev, "%s()\n", __func__);
info = fbtft_framebuffer_alloc(&ili9341fb_display, &spi->dev);
if (!info)
return -ENOMEM;
par = info->par;
par->spi = spi;
fbtft_debug_init(par);
par->fbtftops.init_display = ili9341fb_init_display;
par->fbtftops.register_backlight = fbtft_register_backlight;
par->fbtftops.request_gpios_match = ili9341fb_request_gpios_match;
par->fbtftops.write_data_command = fbtft_write_data_command8_bus9;
par->fbtftops.write_vmem = fbtft_write_vmem16_bus9;
par->fbtftops.set_addr_win = ili9341fb_set_addr_win;
spi->bits_per_word=9;
ret = spi->master->setup(spi);
if (ret) {
dev_warn(&spi->dev, "9-bit SPI not available, emulating using 8-bit.\n");
spi->bits_per_word=8;
ret = spi->master->setup(spi);
if (ret)
goto fbreg_fail;
/* allocate buffer with room for dc bits */
par->extra = vzalloc(par->txbuf.len + (par->txbuf.len / 8));
if (!par->extra) {
ret = -ENOMEM;
goto fbreg_fail;
}
par->fbtftops.write = ili9341fb_write_emulate_9bit;
}
ret = fbtft_register_framebuffer(info);
if (ret < 0)
goto fbreg_fail;
return 0;
fbreg_fail:
if (par->extra)
vfree(par->extra);
fbtft_framebuffer_release(info);
return ret;
}
static int itdb28fb_probe_common(struct spi_device *sdev, struct platform_device *pdev)
{
struct device *dev;
struct fb_info *info;
struct fbtft_par *par;
int ret;
if (sdev)
dev = &sdev->dev;
else
dev = &pdev->dev;
fbtft_dev_dbg(DEBUG_DRIVER_INIT_FUNCTIONS, dev, "%s()\n", __func__);
info = fbtft_framebuffer_alloc(&itdb28fb_display, dev);
if (!info)
return -ENOMEM;
par = info->par;
if (sdev)
par->spi = sdev;
else
par->pdev = pdev;
fbtft_debug_init(par);
par->fbtftops.init_display = itdb28fb_init_display;
par->fbtftops.set_gamma = set_gamma;
par->fbtftops.register_backlight = fbtft_register_backlight;
par->fbtftops.write_reg = fbtft_write_reg16_bus8;
par->fbtftops.set_addr_win = itdb28fb_set_addr_win;
par->fbtftops.verify_gpios = itdb28fb_verify_gpios;
if (pdev)
par->fbtftops.write = fbtft_write_gpio8_wr;
ret = fbtft_register_framebuffer(info);
if (ret < 0)
goto out_release;
ret = sysfs_create_group(&pdev->dev.kobj, &itdb28fb_attr_group);
if (ret)
goto out_release;
dev_set_drvdata(&pdev->dev, par);
return 0;
out_release:
fbtft_framebuffer_release(info);
return ret;
}
static int nokia3310fb_probe(struct spi_device *spi)
{
struct fb_info *info;
struct fbtft_par *par;
int ret;
fbtft_dev_dbg(DEBUG_DRIVER_INIT_FUNCTIONS, &spi->dev, "%s()\n", __func__);
if (rotate) {
nokia3310fb_display.width = HEIGHT;
nokia3310fb_display.height = WIDTH;
} else {
nokia3310fb_display.width = WIDTH;
nokia3310fb_display.height = HEIGHT;
}
info = fbtft_framebuffer_alloc(&nokia3310fb_display, &spi->dev);
if (!info)
return -ENOMEM;
info->fix.visual = FB_VISUAL_MONO10;
info->var.red.offset = 0;
info->var.red.length = 0;
info->var.green.offset = 0;
info->var.green.length = 0;
info->var.blue.offset = 0;
info->var.blue.length = 0;
par = info->par;
par->spi = spi;
fbtft_debug_init(par);
par->fbtftops.write_data_command = fbtft_write_data_command8_bus8;
par->fbtftops.verify_gpios = nokia3310fb_verify_gpios;
par->fbtftops.init_display = nokia3310fb_init_display;
par->fbtftops.register_backlight = fbtft_register_backlight;
par->fbtftops.update_display = nokia3310fb_update_display;
ret = fbtft_register_framebuffer(info);
if (ret < 0)
goto out_release;
return 0;
out_release:
fbtft_framebuffer_release(info);
return ret;
}
static int flexfb_probe_common(struct spi_device *sdev, struct platform_device *pdev)
{
struct device *dev;
struct fb_info *info;
struct fbtft_par *par;
int ret;
initp = init;
initp_num = init_num;
if (sdev)
dev = &sdev->dev;
else
dev = &pdev->dev;
fbtft_dev_dbg(DEBUG_DRIVER_INIT_FUNCTIONS, dev, "%s(%s)\n", __func__, sdev ? "'SPI device'" : "'Platform device'");
if (chip) {
if (!strcmp(chip, "st7735r")) {
if (!width)
width = 128;
if (!height)
height = 160;
if (init_num == 0) {
initp = st7735r_init;
initp_num = ARRAY_SIZE(st7735r_init);
}
} else if (!strcmp(chip, "hx8340bn")) {
if (!width)
width = 176;
if (!height)
height = 220;
setaddrwin = 0;
if (init_num == 0) {
initp = hx8340bn_init;
initp_num = ARRAY_SIZE(hx8340bn_init);
}
} else if (!strcmp(chip, "ili9225")) {
if (!width)
width = 176;
if (!height)
height = 220;
setaddrwin = 0;
regwidth = 16;
if (init_num == 0) {
initp = ili9225_init;
initp_num = ARRAY_SIZE(ili9225_init);
}
} else if (!strcmp(chip, "ili9320")) {
if (!width)
width = 240;
if (!height)
height = 320;
setaddrwin = 1;
regwidth = 16;
if (init_num == 0) {
initp = ili9320_init;
initp_num = ARRAY_SIZE(ili9320_init);
}
} else if (!strcmp(chip, "ili9325")) {
if (!width)
width = 240;
if (!height)
height = 320;
setaddrwin = 1;
regwidth = 16;
if (init_num == 0) {
initp = ili9325_init;
initp_num = ARRAY_SIZE(ili9325_init);
}
} else if (!strcmp(chip, "ili9341")) {
if (!width)
width = 240;
if (!height)
height = 320;
setaddrwin = 0;
regwidth = 8;
if (init_num == 0) {
initp = ili9341_init;
initp_num = ARRAY_SIZE(ili9341_init);
}
} else if (!strcmp(chip, "ssd1289")) {
if (!width)
width = 240;
if (!height)
height = 320;
setaddrwin = 2;
regwidth = 16;
if (init_num == 0) {
initp = ssd1289_init;
initp_num = ARRAY_SIZE(ssd1289_init);
}
} else if (!strcmp(chip, "ssd1351")) {
if (!width)
width = 128;
if (!height)
height = 128;
setaddrwin = 3;
if (init_num == 0) {
initp = ssd1351_init;
initp_num = ARRAY_SIZE(ssd1351_init);
}
} else {
dev_err(dev, "chip=%s is not supported\n", chip);
return -EINVAL;
}
}
if (width == 0 || height == 0) {
dev_err(dev, "argument(s) missing: width and height has to be set.\n");
return -EINVAL;
}
flex_display.width = width;
flex_display.height = height;
fbtft_dev_dbg(DEBUG_DRIVER_INIT_FUNCTIONS, dev, "Display resolution: %dx%d\n", width, height);
fbtft_dev_dbg(DEBUG_DRIVER_INIT_FUNCTIONS, dev, "chip = %s\n", chip ? chip : "not set");
fbtft_dev_dbg(DEBUG_DRIVER_INIT_FUNCTIONS, dev, "setaddrwin = %d\n", setaddrwin);
fbtft_dev_dbg(DEBUG_DRIVER_INIT_FUNCTIONS, dev, "regwidth = %d\n", regwidth);
fbtft_dev_dbg(DEBUG_DRIVER_INIT_FUNCTIONS, dev, "buswidth = %d\n", buswidth);
info = fbtft_framebuffer_alloc(&flex_display, dev);
if (!info)
return -ENOMEM;
par = info->par;
if (sdev)
par->spi = sdev;
else
par->pdev = pdev;
fbtft_debug_init(par);
par->fbtftops.init_display = flexfb_init_display;
/* registerwrite functions */
switch (regwidth) {
case 8:
par->fbtftops.write_reg = fbtft_write_reg8_bus8;
par->fbtftops.write_data_command = fbtft_write_data_command8_bus8;
break;
case 16:
par->fbtftops.write_reg = fbtft_write_reg16_bus8;
par->fbtftops.write_data_command = fbtft_write_data_command16_bus8;
break;
default:
dev_err(dev, "argument 'regwidth': %d is not supported.\n", regwidth);
return -EINVAL;
}
/* bus functions */
if (sdev) {
switch (buswidth) {
case 8:
par->fbtftops.write_vmem = fbtft_write_vmem16_bus8;
if (!par->startbyte)
par->fbtftops.verify_gpios = flexfb_verify_gpios_dc;
break;
case 9:
if (regwidth == 16) {
dev_err(dev, "argument 'regwidth': %d is not supported with buswidth=%d and SPI.\n", regwidth, buswidth);
return -EINVAL;
}
par->fbtftops.write_data_command = fbtft_write_data_command8_bus9;
par->fbtftops.write_vmem = fbtft_write_vmem16_bus9;
sdev->bits_per_word=9;
ret = sdev->master->setup(sdev);
if (ret) {
dev_err(dev, "SPI 9-bit setup failed: %d.\n", ret);
return ret;
}
break;
default:
dev_err(dev, "argument 'buswidth': %d is not supported with SPI.\n", buswidth);
return -EINVAL;
}
par->fbtftops.write = fbtft_write_spi;
} else {
par->fbtftops.verify_gpios = flexfb_verify_gpios_db;
switch (buswidth) {
case 8:
par->fbtftops.write = fbtft_write_gpio8_wr;
par->fbtftops.write_vmem = fbtft_write_vmem16_bus8;
break;
case 16:
par->fbtftops.write_reg = fbtft_write_reg16_bus16;
par->fbtftops.write_data_command = fbtft_write_data_command16_bus16;
if (latched)
par->fbtftops.write = fbtft_write_gpio16_wr_latched;
else
par->fbtftops.write = fbtft_write_gpio16_wr;
par->fbtftops.write_vmem = fbtft_write_vmem16_bus16;
break;
default:
dev_err(dev, "argument 'buswidth': %d is not supported with parallel.\n", buswidth);
return -EINVAL;
}
}
/* set_addr_win function */
switch (setaddrwin) {
case 0:
/* use default */
break;
case 1:
par->fbtftops.set_addr_win = flexfb_set_addr_win_1;
break;
case 2:
par->fbtftops.set_addr_win = flexfb_set_addr_win_2;
break;
case 3:
par->fbtftops.set_addr_win = set_addr_win_3;
break;
default:
dev_err(dev, "argument 'setaddrwin': unknown value %d.\n", setaddrwin);
return -EINVAL;
}
if (!nobacklight)
par->fbtftops.register_backlight = fbtft_register_backlight;
ret = fbtft_register_framebuffer(info);
if (ret < 0)
goto out_release;
return 0;
out_release:
fbtft_framebuffer_release(info);
return ret;
}
static int adafruit22fb_probe(struct spi_device *spi)
{
struct fb_info *info;
struct fbtft_par *par;
int ret;
fbtft_dev_dbg(DEBUG_DRIVER_INIT_FUNCTIONS, &spi->dev, "%s()\n", __func__);
if (rotate > 3) {
dev_warn(&spi->dev, "argument 'rotate' illegal value: %d (0-3). Setting it to 0.\n", rotate);
rotate = 0;
}
switch (rotate) {
case 0:
case 2:
adafruit22_display.width = WIDTH;
adafruit22_display.height = HEIGHT;
break;
case 1:
case 3:
adafruit22_display.width = HEIGHT;
adafruit22_display.height = WIDTH;
break;
}
info = fbtft_framebuffer_alloc(&adafruit22_display, &spi->dev);
if (!info)
return -ENOMEM;
par = info->par;
par->spi = spi;
fbtft_debug_init(par);
par->fbtftops.init_display = adafruit22fb_init_display;
par->fbtftops.register_backlight = fbtft_register_backlight;
par->fbtftops.write_data_command = fbtft_write_data_command8_bus9;
par->fbtftops.write_vmem = fbtft_write_vmem16_bus9;
par->fbtftops.set_addr_win = adafruit22fb_set_addr_win;
spi->bits_per_word=9;
ret = spi->master->setup(spi);
if (ret) {
dev_warn(&spi->dev, "9-bit SPI not available, emulating using 8-bit.\n");
spi->bits_per_word=8;
ret = spi->master->setup(spi);
if (ret)
goto fbreg_fail;
/* allocate buffer with room for dc bits */
par->extra = vzalloc(par->txbuf.len + (par->txbuf.len / 8));
if (!par->extra) {
ret = -ENOMEM;
goto fbreg_fail;
}
par->fbtftops.write = adafruit22fb_write_emulate_9bit;
}
ret = fbtft_register_framebuffer(info);
if (ret < 0)
goto fbreg_fail;
return 0;
fbreg_fail:
if (par->extra)
vfree(par->extra);
fbtft_framebuffer_release(info);
return ret;
}
static int __devinit flexfb_probe_common(struct spi_device *sdev, struct platform_device *pdev)
{
struct device *dev;
struct fb_info *info;
struct fbtft_par *par;
int ret;
if (sdev)
dev = &sdev->dev;
else
dev = &pdev->dev;
fbtft_dev_dbg(DEBUG_DRIVER_INIT_FUNCTIONS, dev, "%s(%s)\n", __func__, sdev ? "'SPI device'" : "'Platform device'");
if (width == 0 || height == 0) {
dev_err(dev, "argument(s) missing: width and height has to be set.\n");
return -EINVAL;
}
flex_display.width = width;
flex_display.height = height;
fbtft_dev_dbg(DEBUG_DRIVER_INIT_FUNCTIONS, dev, "Display size: %dx%d\n", width, height);
info = fbtft_framebuffer_alloc(&flex_display, dev);
if (!info)
return -ENOMEM;
info->var.rotate = rotate;
par = info->par;
if (sdev)
par->spi = sdev;
else
par->pdev = pdev;
fbtft_debug_init(par);
par->fbtftops.init_display = flexfb_init_display;
/* registerwrite functions */
switch (regwidth) {
case 8:
par->fbtftops.write_reg = fbtft_write_reg8_bus8;
par->fbtftops.write_data_command = fbtft_write_data_command8_bus8;
break;
case 16:
par->fbtftops.write_reg = fbtft_write_reg16_bus8;
par->fbtftops.write_data_command = fbtft_write_data_command16_bus8;
break;
default:
dev_err(dev, "argument 'regwidth': %d is not supported.\n", regwidth);
return -EINVAL;
}
/* bus functions */
if (sdev) {
switch (buswidth) {
case 8:
par->fbtftops.write_vmem = fbtft_write_vmem16_bus8;
par->fbtftops.verify_gpios = flexfb_verify_gpios_dc;
break;
case 9:
if (regwidth == 16) {
dev_err(dev, "argument 'regwidth': %d is not supported with buswidth=%d and SPI.\n", regwidth, buswidth);
return -EINVAL;
}
par->fbtftops.write_data_command = fbtft_write_data_command8_bus9;
par->fbtftops.write_vmem = fbtft_write_vmem16_bus9;
sdev->bits_per_word=9;
ret = sdev->master->setup(sdev);
if (ret) {
dev_err(dev, "SPI 9-bit setup failed: %d.\n", ret);
return ret;
}
break;
default:
dev_err(dev, "argument 'buswidth': %d is not supported with SPI.\n", buswidth);
return -EINVAL;
}
par->fbtftops.write = fbtft_write_spi;
} else {
switch (buswidth) {
case 8:
par->fbtftops.write = fbtft_write_gpio8_wr;
par->fbtftops.write_vmem = fbtft_write_vmem16_bus8;
par->fbtftops.verify_gpios = flexfb_verify_gpios_db8;
break;
default:
dev_err(dev, "argument 'buswidth': %d is not supported with parallel.\n", buswidth);
return -EINVAL;
}
}
/* set_addr_win function */
switch (setaddrwin) {
case 0:
/* use default */
break;
case 1:
par->fbtftops.set_addr_win = flexfb_set_addr_win_1;
break;
default:
dev_err(dev, "argument 'setaddrwin': unknown value %d.\n", setaddrwin);
return -EINVAL;
}
if (!nobacklight)
par->fbtftops.register_backlight = fbtft_register_backlight;
ret = fbtft_register_framebuffer(info);
if (ret < 0)
goto out_release;
return 0;
out_release:
fbtft_framebuffer_release(info);
return ret;
}