From faed568413e89f87cd60aa8b292cc4b9996bae42 Mon Sep 17 00:00:00 2001 From: Richard Purdie Date: Mon, 19 Jun 2006 20:46:05 +0100 Subject: [PATCH] [ARM] 3594/1: Poodle: Add touchscreen support + other updates Patch from Richard Purdie Poodle Updates: * Update corgi_ssp to make the GPIO chip selects optional * Enable corgi_ssp for use by poodle * Add corgi touchscreen platform device for poodle * Export locomo platform device. * Set framebuffer device parent correctly Signed-off-by: Richard Purdie Signed-off-by: Russell King --- arch/arm/mach-pxa/Kconfig | 1 + arch/arm/mach-pxa/Makefile | 2 +- arch/arm/mach-pxa/corgi_ssp.c | 42 ++++++++++++------- arch/arm/mach-pxa/poodle.c | 69 ++++++++++++++++++++++++++++++- include/asm-arm/arch-pxa/poodle.h | 2 + 5 files changed, 99 insertions(+), 17 deletions(-) diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig index 0104fd142e..ea5137f319 100644 --- a/arch/arm/mach-pxa/Kconfig +++ b/arch/arm/mach-pxa/Kconfig @@ -61,6 +61,7 @@ config MACH_POODLE bool "Enable Sharp SL-5600 (Poodle) Support" depends PXA_SHARPSL_25x select SHARP_LOCOMO + select PXA_SSP config MACH_CORGI bool "Enable Sharp SL-C700 (Corgi) Support" diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile index 4e8a983e2b..1610690be4 100644 --- a/arch/arm/mach-pxa/Makefile +++ b/arch/arm/mach-pxa/Makefile @@ -15,7 +15,7 @@ obj-$(CONFIG_ARCH_PXA_IDP) += idp.o obj-$(CONFIG_PXA_SHARP_C7xx) += corgi.o corgi_ssp.o corgi_lcd.o sharpsl_pm.o corgi_pm.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-$(CONFIG_MACH_POODLE) += poodle.o +obj-$(CONFIG_MACH_POODLE) += poodle.o corgi_ssp.o obj-$(CONFIG_MACH_TOSA) += tosa.o # Support for blinky lights diff --git a/arch/arm/mach-pxa/corgi_ssp.c b/arch/arm/mach-pxa/corgi_ssp.c index 8a25a1c801..f9421318cb 100644 --- a/arch/arm/mach-pxa/corgi_ssp.c +++ b/arch/arm/mach-pxa/corgi_ssp.c @@ -50,12 +50,14 @@ unsigned long corgi_ssp_ads7846_putget(ulong data) unsigned long ret,flag; spin_lock_irqsave(&corgi_ssp_lock, flag); - GPCR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846); + if (ssp_machinfo->cs_ads7846 >= 0) + GPCR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846); ssp_write_word(&corgi_ssp_dev,data); ret = ssp_read_word(&corgi_ssp_dev); - GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846); + if (ssp_machinfo->cs_ads7846 >= 0) + GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846); spin_unlock_irqrestore(&corgi_ssp_lock, flag); return ret; @@ -68,12 +70,14 @@ unsigned long corgi_ssp_ads7846_putget(ulong data) void corgi_ssp_ads7846_lock(void) { spin_lock(&corgi_ssp_lock); - GPCR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846); + if (ssp_machinfo->cs_ads7846 >= 0) + GPCR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846); } void corgi_ssp_ads7846_unlock(void) { - GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846); + if (ssp_machinfo->cs_ads7846 >= 0) + GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846); spin_unlock(&corgi_ssp_lock); } @@ -110,11 +114,13 @@ unsigned long corgi_ssp_dac_put(ulong data) ssp_config(&corgi_ssp_dev, (SSCR0_Motorola | (SSCR0_DSS & 0x07 )), sscr1, 0, SSCR0_SerClkDiv(ssp_machinfo->clk_lcdcon)); ssp_enable(&corgi_ssp_dev); - GPCR(ssp_machinfo->cs_lcdcon) = GPIO_bit(ssp_machinfo->cs_lcdcon); + if (ssp_machinfo->cs_lcdcon >= 0) + GPCR(ssp_machinfo->cs_lcdcon) = GPIO_bit(ssp_machinfo->cs_lcdcon); ssp_write_word(&corgi_ssp_dev,data); /* Read null data back from device to prevent SSP overflow */ ssp_read_word(&corgi_ssp_dev); - GPSR(ssp_machinfo->cs_lcdcon) = GPIO_bit(ssp_machinfo->cs_lcdcon); + if (ssp_machinfo->cs_lcdcon >= 0) + GPSR(ssp_machinfo->cs_lcdcon) = GPIO_bit(ssp_machinfo->cs_lcdcon); ssp_disable(&corgi_ssp_dev); ssp_config(&corgi_ssp_dev, (SSCR0_National | (SSCR0_DSS & 0x0b )), 0, 0, SSCR0_SerClkDiv(ssp_machinfo->clk_ads7846)); @@ -147,7 +153,8 @@ int corgi_ssp_max1111_get(ulong data) int voltage,voltage1,voltage2; spin_lock_irqsave(&corgi_ssp_lock, flag); - GPCR(ssp_machinfo->cs_max1111) = GPIO_bit(ssp_machinfo->cs_max1111); + if (ssp_machinfo->cs_max1111 >= 0) + GPCR(ssp_machinfo->cs_max1111) = GPIO_bit(ssp_machinfo->cs_max1111); ssp_disable(&corgi_ssp_dev); ssp_config(&corgi_ssp_dev, (SSCR0_Motorola | (SSCR0_DSS & 0x07 )), 0, 0, SSCR0_SerClkDiv(ssp_machinfo->clk_max1111)); ssp_enable(&corgi_ssp_dev); @@ -169,7 +176,8 @@ int corgi_ssp_max1111_get(ulong data) ssp_disable(&corgi_ssp_dev); ssp_config(&corgi_ssp_dev, (SSCR0_National | (SSCR0_DSS & 0x0b )), 0, 0, SSCR0_SerClkDiv(ssp_machinfo->clk_ads7846)); ssp_enable(&corgi_ssp_dev); - GPSR(ssp_machinfo->cs_max1111) = GPIO_bit(ssp_machinfo->cs_max1111); + if (ssp_machinfo->cs_max1111 >= 0) + GPSR(ssp_machinfo->cs_max1111) = GPIO_bit(ssp_machinfo->cs_max1111); spin_unlock_irqrestore(&corgi_ssp_lock, flag); if (voltage1 & 0xc0 || voltage2 & 0x3f) @@ -196,9 +204,12 @@ static int __init corgi_ssp_probe(struct platform_device *dev) int ret; /* Chip Select - Disable All */ - pxa_gpio_mode(ssp_machinfo->cs_lcdcon | GPIO_OUT | GPIO_DFLT_HIGH); - pxa_gpio_mode(ssp_machinfo->cs_max1111 | GPIO_OUT | GPIO_DFLT_HIGH); - pxa_gpio_mode(ssp_machinfo->cs_ads7846 | GPIO_OUT | GPIO_DFLT_HIGH); + if (ssp_machinfo->cs_lcdcon >= 0) + pxa_gpio_mode(ssp_machinfo->cs_lcdcon | GPIO_OUT | GPIO_DFLT_HIGH); + if (ssp_machinfo->cs_max1111 >= 0) + pxa_gpio_mode(ssp_machinfo->cs_max1111 | GPIO_OUT | GPIO_DFLT_HIGH); + if (ssp_machinfo->cs_ads7846 >= 0) + pxa_gpio_mode(ssp_machinfo->cs_ads7846 | GPIO_OUT | GPIO_DFLT_HIGH); ret = ssp_init(&corgi_ssp_dev, ssp_machinfo->port, 0); @@ -229,9 +240,12 @@ static int corgi_ssp_suspend(struct platform_device *dev, pm_message_t state) static int corgi_ssp_resume(struct platform_device *dev) { - GPSR(ssp_machinfo->cs_lcdcon) = GPIO_bit(ssp_machinfo->cs_lcdcon); /* High - Disable LCD Control/Timing Gen */ - GPSR(ssp_machinfo->cs_max1111) = GPIO_bit(ssp_machinfo->cs_max1111); /* High - Disable MAX1111*/ - GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846); /* High - Disable ADS7846*/ + if (ssp_machinfo->cs_lcdcon >= 0) + GPSR(ssp_machinfo->cs_lcdcon) = GPIO_bit(ssp_machinfo->cs_lcdcon); /* High - Disable LCD Control/Timing Gen */ + if (ssp_machinfo->cs_max1111 >= 0) + GPSR(ssp_machinfo->cs_max1111) = GPIO_bit(ssp_machinfo->cs_max1111); /* High - Disable MAX1111*/ + if (ssp_machinfo->cs_ads7846 >= 0) + GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846); /* High - Disable ADS7846*/ ssp_restore_state(&corgi_ssp_dev,&corgi_ssp_state); ssp_enable(&corgi_ssp_dev); diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c index 234877a09d..9a9fa87cea 100644 --- a/arch/arm/mach-pxa/poodle.c +++ b/arch/arm/mach-pxa/poodle.c @@ -37,12 +37,15 @@ #include #include #include +#include +#include #include #include #include #include "generic.h" +#include "sharpsl.h" static struct resource poodle_scoop_resources[] = { [0] = { @@ -120,13 +123,71 @@ static struct resource locomo_resources[] = { }, }; -static struct platform_device locomo_device = { +struct platform_device poodle_locomo_device = { .name = "locomo", .id = 0, .num_resources = ARRAY_SIZE(locomo_resources), .resource = locomo_resources, }; +EXPORT_SYMBOL(poodle_locomo_device); + +/* + * Poodle SSP Device + */ + +struct platform_device poodle_ssp_device = { + .name = "corgi-ssp", + .id = -1, +}; + +struct corgissp_machinfo poodle_ssp_machinfo = { + .port = 1, + .cs_lcdcon = -1, + .cs_ads7846 = -1, + .cs_max1111 = -1, + .clk_lcdcon = 2, + .clk_ads7846 = 36, + .clk_max1111 = 2, +}; + + +/* + * Poodle Touch Screen Device + */ +static struct resource poodlets_resources[] = { + [0] = { + .start = POODLE_IRQ_GPIO_TP_INT, + .end = POODLE_IRQ_GPIO_TP_INT, + .flags = IORESOURCE_IRQ, + }, +}; + +static unsigned long poodle_get_hsync_len(void) +{ + return 0; +} + +static void poodle_null_hsync(void) +{ +} + +static struct corgits_machinfo poodle_ts_machinfo = { + .get_hsync_len = poodle_get_hsync_len, + .put_hsync = poodle_null_hsync, + .wait_hsync = poodle_null_hsync, +}; + +static struct platform_device poodle_ts_device = { + .name = "corgi-ts", + .dev = { + .platform_data = &poodle_ts_machinfo, + }, + .id = -1, + .num_resources = ARRAY_SIZE(poodlets_resources), + .resource = poodlets_resources, +}; + /* * MMC/SD Device @@ -259,8 +320,10 @@ static struct pxafb_mach_info poodle_fb_info __initdata = { }; static struct platform_device *devices[] __initdata = { - &locomo_device, + &poodle_locomo_device, &poodle_scoop_device, + &poodle_ssp_device, + &poodle_ts_device, }; static void poodle_poweroff(void) @@ -319,6 +382,7 @@ static void __init poodle_init(void) GPSR1 = 0x00000000; GPSR2 = 0x00000000; + set_pxa_fb_parent(&poodle_locomo_device.dev); set_pxa_fb_info(&poodle_fb_info); pxa_gpio_mode(POODLE_GPIO_USB_PULLUP | GPIO_OUT); pxa_gpio_mode(POODLE_GPIO_IR_ON | GPIO_OUT); @@ -332,6 +396,7 @@ static void __init poodle_init(void) if (ret) { printk(KERN_WARNING "poodle: Unable to register LoCoMo device\n"); } + corgi_ssp_set_machinfo(&poodle_ssp_machinfo); } static void __init fixup_poodle(struct machine_desc *desc, diff --git a/include/asm-arm/arch-pxa/poodle.h b/include/asm-arm/arch-pxa/poodle.h index 6079e0aa1a..4d6a403157 100644 --- a/include/asm-arm/arch-pxa/poodle.h +++ b/include/asm-arm/arch-pxa/poodle.h @@ -70,4 +70,6 @@ #define POODLE_SCOOP_IO_DIR ( POODLE_SCOOP_VPEN | POODLE_SCOOP_HS_OUT ) #define POODLE_SCOOP_IO_OUT ( 0 ) +extern struct platform_device poodle_locomo_device; + #endif /* __ASM_ARCH_POODLE_H */ -- 2.39.5