diff options
Diffstat (limited to 'target/linux/xburst/patches-2.6.36/100-lcm.patch')
| -rw-r--r-- | target/linux/xburst/patches-2.6.36/100-lcm.patch | 294 |
1 files changed, 0 insertions, 294 deletions
diff --git a/target/linux/xburst/patches-2.6.36/100-lcm.patch b/target/linux/xburst/patches-2.6.36/100-lcm.patch deleted file mode 100644 index 599753da1..000000000 --- a/target/linux/xburst/patches-2.6.36/100-lcm.patch +++ /dev/null @@ -1,294 +0,0 @@ -From cb0cdd5f614d723139331ecf56d28e529ff9b74c Mon Sep 17 00:00:00 2001 -From: Lars-Peter Clausen <lars@metafoo.de> -Date: Sun, 1 Aug 2010 21:19:40 +0200 -Subject: [PATCH] Add ili8960 lcd driver - ---- - drivers/video/backlight/Kconfig | 7 + - drivers/video/backlight/Makefile | 1 + - drivers/video/backlight/ili8960.c | 253 +++++++++++++++++++++++++++++++++++++ - 3 files changed, 261 insertions(+), 0 deletions(-) - create mode 100644 drivers/video/backlight/ili8960.c - ---- a/drivers/video/backlight/Kconfig -+++ b/drivers/video/backlight/Kconfig -@@ -59,6 +59,13 @@ config LCD_LTV350QV - - The LTV350QV panel is present on all ATSTK1000 boards. - -+config LCD_ILI8960 -+ tristate "Ilitek ili8960 LCD driver" -+ depends on LCD_CLASS_DEVICE && SPI -+ default n -+ help -+ Driver for the Ilitek ili8960 LCD controller chip. -+ - config LCD_ILI9320 - tristate - help ---- a/drivers/video/backlight/Makefile -+++ b/drivers/video/backlight/Makefile -@@ -6,6 +6,7 @@ obj-$(CONFIG_LCD_HP700) += jornada72 - obj-$(CONFIG_LCD_L4F00242T03) += l4f00242t03.o - obj-$(CONFIG_LCD_LMS283GF05) += lms283gf05.o - obj-$(CONFIG_LCD_LTV350QV) += ltv350qv.o -+obj-$(CONFIG_LCD_ILI8960) += ili8960.o - obj-$(CONFIG_LCD_ILI9320) += ili9320.o - obj-$(CONFIG_LCD_PLATFORM) += platform_lcd.o - obj-$(CONFIG_LCD_VGG2432A4) += vgg2432a4.o ---- /dev/null -+++ b/drivers/video/backlight/ili8960.c -@@ -0,0 +1,253 @@ -+/* -+ * Copyright (C) 2009-2010, Lars-Peter Clausen <lars@metafoo.de> -+ * Driver for Ilitek ili8960 LCD -+ * -+ * 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. -+ * -+ * 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/spi/spi.h> -+#include <linux/lcd.h> -+#include <linux/backlight.h> -+#include <linux/delay.h> -+ -+struct ili8960 { -+ struct spi_device *spi; -+ struct lcd_device *lcd; -+ struct backlight_device *bl; -+ bool enabled; -+ int brightness; -+}; -+ -+static int ili8960_write_reg(struct spi_device *spi, uint8_t reg, -+ uint8_t data) -+{ -+ uint8_t buf[2]; -+ buf[0] = ((reg & 0x40) << 1) | (reg & 0x3f); -+ buf[1] = data; -+ -+ return spi_write(spi, buf, sizeof(buf)); -+} -+ -+static int ili8960_programm_power(struct spi_device *spi, bool enabled) -+{ -+ int ret; -+ -+ if (enabled) -+ mdelay(20); -+ -+ ret = ili8960_write_reg(spi, 0x5, enabled ? 0xc7 : 0xc6); -+ -+ if (!enabled) -+ mdelay(20); -+ -+ return ret; -+} -+ -+static int ili8960_set_power(struct lcd_device *lcd, int power) -+{ -+ struct ili8960 *ili8960 = lcd_get_data(lcd); -+ -+ switch (power) { -+ case FB_BLANK_UNBLANK: -+ ili8960->enabled = true; -+ break; -+ default: -+ ili8960->enabled = false; -+ break; -+ } -+ -+ return ili8960_programm_power(ili8960->spi, ili8960->enabled); -+} -+ -+static int ili8960_get_power(struct lcd_device *lcd) -+{ -+ struct ili8960 *ili8960 = lcd_get_data(lcd); -+ return ili8960->enabled ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN; -+} -+ -+static int ili8960_set_contrast(struct lcd_device *lcd, int contrast) -+{ -+ struct ili8960 *ili8960 = lcd_get_data(lcd); -+ ili8960_write_reg(ili8960->spi, 0x0d, contrast); -+ -+ return 0; -+} -+ -+static int ili8960_set_mode(struct lcd_device *lcd, struct fb_videomode *mode) -+{ -+ if (mode->xres != 320 && mode->yres != 240) -+ return -EINVAL; -+ -+ return 0; -+} -+ -+static int ili8960_set_brightness(struct ili8960 *ili8960, int brightness) -+{ -+ int ret; -+ ret = ili8960_write_reg(ili8960->spi, 0x3, brightness); -+ -+ if (ret == 0) -+ ili8960->brightness = brightness; -+ -+ return ret; -+} -+ -+static ssize_t ili8960_show_brightness(struct device *dev, -+ struct device_attribute *attr, char *buf) -+{ -+ struct lcd_device *ld = to_lcd_device(dev); -+ struct ili8960 *ili8960 = lcd_get_data(ld); -+ -+ return sprintf(buf, "%d\n", ili8960->brightness); -+} -+ -+static ssize_t ili8960_store_brightness(struct device *dev, -+ struct device_attribute *attr, const char *buf, size_t count) -+{ -+ char *endp; -+ struct lcd_device *ld = to_lcd_device(dev); -+ struct ili8960 *ili8960 = lcd_get_data(ld); -+ int brightness = simple_strtoul(buf, &endp, 0); -+ -+ if (brightness > 255 || brightness < 0) -+ return -EINVAL; -+ -+ ili8960_set_brightness(ili8960, brightness); -+ -+ return count; -+} -+ -+ -+static DEVICE_ATTR(brightness, 0644, ili8960_show_brightness, -+ ili8960_store_brightness); -+ -+static struct lcd_ops ili8960_lcd_ops = { -+ .set_power = ili8960_set_power, -+ .get_power = ili8960_get_power, -+ .set_contrast = ili8960_set_contrast, -+ .set_mode = ili8960_set_mode, -+}; -+ -+static int __devinit ili8960_probe(struct spi_device *spi) -+{ -+ int ret; -+ struct ili8960 *ili8960; -+ -+ ili8960 = kmalloc(sizeof(*ili8960), GFP_KERNEL); -+ -+ spi->bits_per_word = 8; -+ spi->mode = SPI_MODE_3; -+ -+ ret = spi_setup(spi); -+ if (ret) { -+ dev_err(&spi->dev, "Failed to setup spi\n"); -+ goto err_free_ili8960; -+ } -+ -+ ili8960->spi = spi; -+ -+ ili8960->lcd = lcd_device_register("ili8960-lcd", &spi->dev, ili8960, -+ &ili8960_lcd_ops); -+ -+ if (IS_ERR(ili8960->lcd)) { -+ ret = PTR_ERR(ili8960->lcd); -+ dev_err(&spi->dev, "Failed to register lcd device: %d\n", ret); -+ goto err_free_ili8960; -+ } -+ -+ ili8960->lcd->props.max_contrast = 255; -+ -+ ret = device_create_file(&ili8960->lcd->dev, &dev_attr_brightness); -+ if (ret) -+ goto err_unregister_lcd; -+ -+ ili8960_programm_power(ili8960->spi, true); -+ ili8960->enabled = true; -+ dev_set_drvdata(&spi->dev, ili8960); -+ -+ ili8960_write_reg(spi, 0x13, 0x01); -+ ili8960_write_reg(spi, 0x5, 0xc7); -+ -+ return 0; -+err_unregister_lcd: -+ lcd_device_unregister(ili8960->lcd); -+err_free_ili8960: -+ kfree(ili8960); -+ return ret; -+} -+ -+static int __devexit ili8960_remove(struct spi_device *spi) -+{ -+ struct ili8960 *ili8960 = spi_get_drvdata(spi); -+ -+ device_remove_file(&ili8960->lcd->dev, &dev_attr_brightness); -+ lcd_device_unregister(ili8960->lcd); -+ -+ spi_set_drvdata(spi, NULL); -+ kfree(ili8960); -+ return 0; -+} -+ -+#ifdef CONFIG_PM -+ -+static int ili8960_suspend(struct spi_device *spi, pm_message_t state) -+{ -+ struct ili8960 *ili8960 = spi_get_drvdata(spi); -+ -+ if (ili8960->enabled) -+ ili8960_programm_power(ili8960->spi, false); -+ -+ return 0; -+} -+ -+static int ili8960_resume(struct spi_device *spi) -+{ -+ struct ili8960 *ili8960 = spi_get_drvdata(spi); -+ -+ if (ili8960->enabled) -+ ili8960_programm_power(ili8960->spi, true); -+ -+ return 0; -+} -+ -+#else -+#define ili8960_suspend NULL -+#define ili8960_resume NULL -+#endif -+ -+static struct spi_driver ili8960_driver = { -+ .driver = { -+ .name = "ili8960", -+ .owner = THIS_MODULE, -+ }, -+ .probe = ili8960_probe, -+ .remove = __devexit_p(ili8960_remove), -+ .suspend = ili8960_suspend, -+ .resume = ili8960_resume, -+}; -+ -+static int __init ili8960_init(void) -+{ -+ return spi_register_driver(&ili8960_driver); -+} -+module_init(ili8960_init); -+ -+static void __exit ili8960_exit(void) -+{ -+ spi_unregister_driver(&ili8960_driver); -+} -+module_exit(ili8960_exit) -+ -+MODULE_AUTHOR("Lars-Peter Clausen"); -+MODULE_LICENSE("GPL"); -+MODULE_DESCRIPTION("LCD driver for Ilitek ili8960"); -+MODULE_ALIAS("spi:ili8960"); |