diff options
Diffstat (limited to 'recipes/linux/linux-rp-2.6.23/tosa-tmio-lcd-r10.patch')
| -rw-r--r-- | recipes/linux/linux-rp-2.6.23/tosa-tmio-lcd-r10.patch | 464 |
1 files changed, 464 insertions, 0 deletions
diff --git a/recipes/linux/linux-rp-2.6.23/tosa-tmio-lcd-r10.patch b/recipes/linux/linux-rp-2.6.23/tosa-tmio-lcd-r10.patch new file mode 100644 index 0000000000..fe5c45d249 --- /dev/null +++ b/recipes/linux/linux-rp-2.6.23/tosa-tmio-lcd-r10.patch @@ -0,0 +1,464 @@ + arch/arm/mach-pxa/Kconfig | 5 + arch/arm/mach-pxa/Makefile | 2 + arch/arm/mach-pxa/tosa.c | 49 +++++- + arch/arm/mach-pxa/tosa_lcd.c | 344 +++++++++++++++++++++++++++++++++++++++++++ + 4 files changed, 396 insertions(+), 4 deletions(-) + +Index: git/arch/arm/mach-pxa/Makefile +=================================================================== +--- git.orig/arch/arm/mach-pxa/Makefile 2006-11-07 22:13:10.000000000 +0000 ++++ git/arch/arm/mach-pxa/Makefile 2006-11-07 23:29:38.000000000 +0000 +@@ -17,7 +17,7 @@ obj-$(CONFIG_PXA_SHARP_C7xx) += corgi.o + obj-$(CONFIG_PXA_SHARP_Cxx00) += spitz.o corgi_ssp.o corgi_lcd.o sharpsl_pm.o spitz_pm.o + obj-$(CONFIG_MACH_AKITA) += akita-ioexp.o + obj-$(CONFIG_MACH_POODLE) += poodle.o corgi_ssp.o sharpsl_pm.o poodle_pm.o +-obj-$(CONFIG_MACH_TOSA) += tosa.o sharpsl_pm.o tosa_pm.o ++obj-$(CONFIG_MACH_TOSA) += tosa.o sharpsl_pm.o tosa_pm.o tosa_lcd.o + obj-$(CONFIG_MACH_EM_X270) += em-x270.o + obj-$(CONFIG_MACH_HX2750) += hx2750.o hx2750_test.o + +Index: git/arch/arm/mach-pxa/tosa_lcd.c +=================================================================== +--- /dev/null 1970-01-01 00:00:00.000000000 +0000 ++++ git/arch/arm/mach-pxa/tosa_lcd.c 2006-11-07 23:29:25.000000000 +0000 +@@ -0,0 +1,344 @@ ++/* ++ * LCD / Backlight control code for Sharp SL-6000x (tosa) ++ * ++ * Copyright (c) 2005 Dirk Opfer ++ * ++ * This program is free software; you can redistribute it and/or modify ++ * it under the terms of the GNU General Public License version 2 as ++ * published by the Free Software Foundation. ++ * ++ */ ++ ++#include <linux/module.h> ++#include <linux/init.h> ++#include <linux/kernel.h> ++#include <linux/sched.h> ++#include <linux/slab.h> ++#include <linux/delay.h> ++#include <linux/platform_device.h> ++#include <linux/i2c.h> ++#include <linux/fb.h> ++ ++#include <asm/mach/sharpsl_param.h> ++#include <asm/hardware.h> ++#include <asm/hardware/scoop.h> ++#include <asm/hardware/tmio.h> ++#include <asm/arch/ssp.h> ++#include <asm/arch/sharpsl.h> ++#include <asm/arch/tosa.h> ++#include <asm/arch/pxa-regs.h> ++ ++#define DAC_BASE 0x4e ++#define DAC_CH1 0 ++#define DAC_CH2 1 ++ ++#define TG_REG0_VQV 0x0001 ++#define TG_REG0_COLOR 0x0002 ++#define TG_REG0_UD 0x0004 ++#define TG_REG0_LR 0x0008 ++#define COMADJ_DEFAULT 97 ++#define TOSA_LCD_I2C_DEVICEID 0x4711 // Fixme: new value ++ ++static void tosa_lcd_tg_init(struct device *dev); ++static void tosa_lcd_tg_on(struct device *dev, const struct fb_videomode *mode); ++static void tosa_lcd_tg_off(struct device *dev); ++static void tosa_set_backlight(int intensity); ++ ++const static struct tmio_lcd_ops tosa_tc6393_lcd_ops = { ++ .init = tosa_lcd_tg_init, ++ .tg_on = tosa_lcd_tg_on, ++ .tg_off = tosa_lcd_tg_off, ++}; ++ ++static struct platform_device *tosabl_device; ++static struct i2c_driver tosa_driver; ++static struct i2c_client* tosa_i2c_dac; ++static int initialised; ++static int comadj; ++static int bl_intensity; ++static struct ssp_dev tosa_nssp_dev; ++static struct ssp_state tosa_nssp_state; ++static spinlock_t tosa_nssp_lock; ++ ++static unsigned short normal_i2c[] = { ++ DAC_BASE, ++ I2C_CLIENT_END ++}; ++I2C_CLIENT_INSMOD; ++ ++static struct corgibl_machinfo tosa_bl_machinfo = { ++ .max_intensity = 255, ++ .default_intensity = 68, ++ .limit_mask = 0x0b, ++ .set_bl_intensity = tosa_set_backlight, ++}; ++ ++int tosa_bl_intensity(void) ++{ ++ return bl_intensity; ++} ++ ++static void pxa_nssp_output(unsigned char reg, unsigned char data) ++{ ++ unsigned long flag, dummy; ++ u32 dat = ( ((reg << 5) & 0xe0) | (data & 0x1f) ); ++ spin_lock_irqsave(&tosa_nssp_lock, flag); ++ ++ ssp_config(&tosa_nssp_dev, (SSCR0_Motorola | (SSCR0_DSS & 0x07 )), 0, 0, SSCR0_SerClkDiv(128)); ++ ssp_enable(&tosa_nssp_dev); ++ ++ ssp_write_word(&tosa_nssp_dev,dat); ++ ++ /* Read null data back from device to prevent SSP overflow */ ++ ssp_read_word(&tosa_nssp_dev, &dummy); ++ ssp_disable(&tosa_nssp_dev); ++ spin_unlock_irqrestore(&tosa_nssp_lock, flag); ++ ++} ++ ++static void tosa_set_backlight(int intensity) ++{ ++ if (!tosa_i2c_dac) ++ return; ++ ++ bl_intensity = intensity; ++ /* SetBacklightDuty */ ++ i2c_smbus_write_byte_data(tosa_i2c_dac, DAC_CH2, (unsigned char)intensity); ++ ++ /* SetBacklightVR */ ++ if (intensity) ++ set_tc6393_gpio(&tc6393_device.dev,TOSA_TC6393_BL_C20MA); ++ else ++ reset_tc6393_gpio(&tc6393_device.dev,TOSA_TC6393_BL_C20MA); ++ ++ /* bl_enable GP04=1 otherwise GP04=0*/ ++ pxa_nssp_output(TG_GPODR2, intensity ? 0x01 : 0x00); ++} ++ ++static void tosa_lcd_tg_init(struct device *dev) ++{ ++ /* L3V On */ ++ set_scoop_gpio( &tosascoop_jc_device.dev,TOSA_SCOOP_JC_TC3693_L3V_ON); ++ mdelay(60); ++ ++ /* TG On */ ++ reset_tc6393_gpio(&tc6393_device.dev,TOSA_TC6393_TG_ON); ++ mdelay(60); ++ ++ pxa_nssp_output(TG_TPOSCTL,0x00); /* delayed 0clk TCTL signal for VGA */ ++ pxa_nssp_output(TG_GPOSR,0x02); /* GPOS0=powercontrol, GPOS1=GPIO, GPOS2=TCTL */ ++} ++ ++static void tosa_lcd_tg_on(struct device *dev, const struct fb_videomode *mode) ++{ ++ const int value = TG_REG0_COLOR | TG_REG0_UD | TG_REG0_LR; ++ pxa_nssp_output(TG_PNLCTL, value | (mode->yres == 320 ? 0 : TG_REG0_VQV)); ++ ++ /* TG LCD pannel power up */ ++ pxa_nssp_output(TG_PINICTL,0x4); ++ mdelay(50); ++ ++ /* TG LCD GVSS */ ++ pxa_nssp_output(TG_PINICTL,0x0); ++ ++ if (!initialised) ++ { ++ /* after the pannel is powered up the first time, we can access the i2c bus */ ++ /* so probe for the DAC */ ++ i2c_add_driver(&tosa_driver); ++ initialised = 1; ++ mdelay(50); ++ } ++ if (tosa_i2c_dac) ++ /* set common voltage */ ++ i2c_smbus_write_byte_data(tosa_i2c_dac, DAC_CH1, comadj); ++ ++} ++ ++static void tosa_lcd_tg_off(struct device *dev) ++{ ++ /* TG LCD VHSA off */ ++ pxa_nssp_output(TG_PINICTL,0x4); ++ mdelay(50); ++ ++ /* TG LCD signal off */ ++ pxa_nssp_output(TG_PINICTL,0x6); ++ mdelay(50); ++ ++ /* TG Off */ ++ set_tc6393_gpio(&tc6393_device.dev, TOSA_TC6393_TG_ON); ++ mdelay(100); ++ ++ /* L3V Off */ ++ reset_scoop_gpio( &tosascoop_jc_device.dev,TOSA_SCOOP_JC_TC3693_L3V_ON); ++} ++ ++static int tosa_detect_client(struct i2c_adapter* adapter, int address, int kind) { ++ int err = 0; ++ ++ printk("Tosa-LCD: DAC detected address:0x%2.2x\n",address); ++ if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_BYTE_DATA )) ++ goto ERROR0; ++ ++ if (!(tosa_i2c_dac = (struct i2c_client*)kzalloc(sizeof(*tosa_i2c_dac), GFP_KERNEL))) { ++ err = -ENOMEM; ++ goto ERROR0; ++ } ++ ++ //i2c_set_clientdata(tosa_i2c_dac, data); ++ tosa_i2c_dac->addr = address; ++ tosa_i2c_dac->adapter = adapter; ++ tosa_i2c_dac->driver = &tosa_driver; ++ tosa_i2c_dac->dev.parent = &tc6393_device.dev; ++ strcpy(tosa_i2c_dac->name, "tosa lcd"); ++ if ((err = i2c_attach_client(tosa_i2c_dac))) ++ goto ERROR3; ++ ++ /* Now i2c is ready, allocate the backlight device*/ ++ tosabl_device = platform_device_alloc("corgi-bl", -1); ++ if (!tosabl_device) { ++ err = -ENOMEM; ++ goto ERROR4; ++ } ++ ++ /* set parent device */ ++ tosabl_device->dev.parent = &tosa_i2c_dac->dev; ++ tosabl_device->dev.platform_data = &tosa_bl_machinfo; ++ ++ err = platform_device_add(tosabl_device); ++ ++ if (err) ++ platform_device_put(tosabl_device); ++ ++ /* set common voltage */ ++ i2c_smbus_write_byte_data(tosa_i2c_dac, DAC_CH1, comadj); ++ ++ return 0; ++ERROR4: ++ i2c_detach_client(tosa_i2c_dac); ++ERROR3: ++ kfree(tosa_i2c_dac); ++ERROR0: ++ return err; ++} ++ ++static int tosa_attach_adapter(struct i2c_adapter* adapter) { ++ return i2c_probe(adapter, &addr_data, &tosa_detect_client); ++} ++ ++static int tosa_detach_client(struct i2c_client* client) { ++ int err; ++ ++ if ((err = i2c_detach_client(client))) { ++ printk(KERN_ERR "tosa: Cannot deregister client\n"); ++ return err; ++ } ++ kfree(client); ++ return 0; ++} ++ ++static struct i2c_driver tosa_driver={ ++ .id = TOSA_LCD_I2C_DEVICEID, ++ .attach_adapter = tosa_attach_adapter, ++ .detach_client = tosa_detach_client, ++}; ++ ++static int __init tosa_lcd_probe(struct platform_device *pdev) ++{ ++ int ret; ++ spin_lock_init(&tosa_nssp_lock); ++ ++ if (!pdev->dev.platform_data) ++ return -EINVAL; ++ ++ /* Set Common Voltage */ ++ comadj = sharpsl_param.comadj == -1 ? COMADJ_DEFAULT : sharpsl_param.comadj; ++ ++ ret=ssp_init(&tosa_nssp_dev,2,0); ++ ++ /* initialize SSP */ ++ pxa_gpio_mode(GPIO83_NSSP_TX); ++ pxa_gpio_mode(GPIO81_NSSP_CLK_OUT); ++ pxa_gpio_mode(GPIO82_NSSP_FRM_OUT); ++ ++ if (ret) ++ printk(KERN_ERR "Unable to register NSSP handler!\n"); ++ else { ++ struct tmio_lcd_ops* *tmio_ops = pdev->dev.platform_data; ++ ssp_disable(&tosa_nssp_dev); ++ initialised = 0; ++ ++ /* Set the lcd functions */ ++ *tmio_ops = (struct tmio_lcd_ops*) &tosa_tc6393_lcd_ops; ++ } ++ ++ return ret; ++} ++ ++static int tosa_lcd_remove(struct platform_device *pdev) ++{ ++ /* delete the lcd functions */ ++ struct tmio_lcd_ops* *tmio_ops = pdev->dev.platform_data; ++ *tmio_ops = NULL; ++ ++ ssp_exit(&tosa_nssp_dev); ++ ++ if (tosa_i2c_dac) { ++ i2c_detach_client(tosa_i2c_dac); ++ kfree(tosa_i2c_dac); ++ } ++ ++ return 0; ++} ++ ++#ifdef CONFIG_PM ++ ++static int tosa_lcd_suspend(struct platform_device *pdev, pm_message_t state) ++{ ++ ssp_flush(&tosa_nssp_dev); ++ ssp_save_state(&tosa_nssp_dev,&tosa_nssp_state); ++ return 0; ++} ++ ++static int tosa_lcd_resume(struct platform_device *pdev) ++{ ++ printk("tosa_lcd_resume\n"); ++ ssp_restore_state(&tosa_nssp_dev,&tosa_nssp_state); ++ ssp_enable(&tosa_nssp_dev); ++ printk("tosa_lcd_resume ok\n"); ++ return 0; ++} ++#else ++ ++#define tosa_lcd_suspend NULL ++#define tosa_lcd_resume NULL ++ ++#endif ++ ++ ++static struct platform_driver tosalcd_driver = { ++ .probe = tosa_lcd_probe, ++ .remove = tosa_lcd_remove, ++ .suspend = tosa_lcd_suspend, ++ .resume = tosa_lcd_resume, ++ .driver = { ++ .name = "tosa-lcd", ++ }, ++}; ++ ++static int __init tosa_lcd_init(void) ++{ ++ return platform_driver_register(&tosalcd_driver); ++} ++ ++static void __exit tosa_lcd_cleanup (void) ++{ ++ platform_driver_unregister (&tosalcd_driver); ++} ++ ++device_initcall(tosa_lcd_init); ++module_exit (tosa_lcd_cleanup); ++ ++MODULE_DESCRIPTION ("Tosa LCD device"); ++MODULE_AUTHOR ("Dirk Opfer"); ++MODULE_LICENSE ("GPL v2"); +Index: git/arch/arm/mach-pxa/tosa.c +=================================================================== +--- git.orig/arch/arm/mach-pxa/tosa.c 2006-11-07 22:13:10.000000000 +0000 ++++ git/arch/arm/mach-pxa/tosa.c 2006-11-07 23:29:38.000000000 +0000 +@@ -24,6 +24,7 @@ + #include <linux/mtd/partitions.h> + #include <linux/pm.h> + #include <linux/delay.h> ++#include <linux/fb.h> + + #include <asm/setup.h> + #include <asm/memory.h> +@@ -345,7 +345,38 @@ static struct tmio_nand_platform_data to + .badblock_pattern = &tosa_tc6393_nand_bbt, + }; + +-extern struct tmio_lcd_platform_data tosa_tc6393_lcd_platform_data; ++static struct fb_videomode tosa_tc6393_lcd_mode[] = { ++ { ++ .xres = 480, ++ .yres = 640, ++ .pixclock = 0x002cdf00,/* PLL divisor */ ++ .left_margin = 0x004c, ++ .right_margin = 0x005b, ++ .upper_margin = 0x0001, ++ .lower_margin = 0x000d, ++ .hsync_len = 0x0002, ++ .vsync_len = 0x0001, ++ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, ++ .vmode = FB_VMODE_NONINTERLACED, ++ },{ ++ .xres = 240, ++ .yres = 320, ++ .pixclock = 0x00e7f203,/* PLL divisor */ ++ .left_margin = 0x0024, ++ .right_margin = 0x002f, ++ .upper_margin = 0x0001, ++ .lower_margin = 0x000d, ++ .hsync_len = 0x0002, ++ .vsync_len = 0x0001, ++ .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT, ++ .vmode = FB_VMODE_NONINTERLACED, ++}}; ++ ++struct tmio_lcd_platform_data tosa_tc6393_lcd_platform_data = { ++ .ops = NULL, ++ .modelist = tosa_tc6393_lcd_mode, ++ .num_modes = ARRAY_SIZE(tosa_tc6393_lcd_mode), ++}; + + static struct tmio_cell tosa_tc6393_cells[] = { + { +@@ -384,6 +415,19 @@ struct platform_device tc6393_device = { + .num_resources = ARRAY_SIZE(tc6393_resources), + .resource = tc6393_resources, + }; ++EXPORT_SYMBOL (tc6393_device); ++ ++/* ++ * Tosa LCD / Backlight stuff ++ */ ++static struct platform_device tosalcd_device = { ++ .name = "tosa-lcd", ++ .id = -1, ++ .dev = { ++ .parent = &tc6393_device.dev, ++ .platform_data = &tosa_tc6393_lcd_platform_data.ops, ++ }, ++}; + + static struct platform_device *devices[] __initdata = { + &tosascoop_device, +@@ -391,6 +435,7 @@ static struct platform_device *devices[] + &tosakbd_device, + &tosaled_device, + &tc6393_device, ++ &tosalcd_device, + }; + + static void tosa_poweroff(void) +Index: git/arch/arm/mach-pxa/Kconfig +=================================================================== +--- git.orig/arch/arm/mach-pxa/Kconfig 2006-11-07 22:13:10.000000000 +0000 ++++ git/arch/arm/mach-pxa/Kconfig 2006-11-07 22:13:10.000000000 +0000 +@@ -129,7 +129,10 @@ config MACH_TOSA + bool "Enable Sharp SL-6000x (Tosa) Support" + depends PXA_SHARPSL_25x + select TOSHIBA_TC6393XB +- select SHARPSL_PM ++ select I2C ++ select I2C_PXA ++ select SHARPSL_PM ++ select PXA_SSP + + config PXA25x + bool |