diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c index 07b5dd453565..3678d1e0e826 100644 --- a/arch/arm/mach-pxa/corgi.c +++ b/arch/arm/mach-pxa/corgi.c @@ -41,6 +41,7 @@ #include #include "generic.h" +#include "sharpsl.h" /* @@ -94,6 +95,16 @@ struct platform_device corgissp_device = { .id = -1, }; +struct corgissp_machinfo corgi_ssp_machinfo = { + .port = 1, + .cs_lcdcon = CORGI_GPIO_LCDCON_CS, + .cs_ads7846 = CORGI_GPIO_ADS7846_CS, + .cs_max1111 = CORGI_GPIO_MAX1111_CS, + .clk_lcdcon = 76, + .clk_ads7846 = 2, + .clk_max1111 = 8, +}; + /* * Corgi Backlight Device @@ -225,6 +236,8 @@ static struct platform_device *devices[] __initdata = { static void __init corgi_init(void) { + corgi_ssp_set_machinfo(&corgi_ssp_machinfo); + pxa_gpio_mode(CORGI_GPIO_USB_PULLUP | GPIO_OUT); pxa_set_udc_info(&udc_info); pxa_set_mci_info(&corgi_mci_platform_data); diff --git a/arch/arm/mach-pxa/corgi_ssp.c b/arch/arm/mach-pxa/corgi_ssp.c index 366a9bde3d8b..0ef428287055 100644 --- a/arch/arm/mach-pxa/corgi_ssp.c +++ b/arch/arm/mach-pxa/corgi_ssp.c @@ -1,7 +1,7 @@ /* * SSP control code for Sharp Corgi devices * - * Copyright (c) 2004 Richard Purdie + * Copyright (c) 2004-2005 Richard Purdie * * 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 @@ -17,14 +17,16 @@ #include #include #include +#include #include -#include #include +#include "sharpsl.h" static DEFINE_SPINLOCK(corgi_ssp_lock); static struct ssp_dev corgi_ssp_dev; static struct ssp_state corgi_ssp_state; +static struct corgissp_machinfo *ssp_machinfo; /* * There are three devices connected to the SSP interface: @@ -48,12 +50,12 @@ unsigned long corgi_ssp_ads7846_putget(ulong data) unsigned long ret,flag; spin_lock_irqsave(&corgi_ssp_lock, flag); - GPCR0 = GPIO_bit(CORGI_GPIO_ADS7846_CS); + 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); - GPSR0 = GPIO_bit(CORGI_GPIO_ADS7846_CS); + GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846); spin_unlock_irqrestore(&corgi_ssp_lock, flag); return ret; @@ -66,12 +68,12 @@ unsigned long corgi_ssp_ads7846_putget(ulong data) void corgi_ssp_ads7846_lock(void) { spin_lock(&corgi_ssp_lock); - GPCR0 = GPIO_bit(CORGI_GPIO_ADS7846_CS); + GPCR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846); } void corgi_ssp_ads7846_unlock(void) { - GPSR0 = GPIO_bit(CORGI_GPIO_ADS7846_CS); + GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846); spin_unlock(&corgi_ssp_lock); } @@ -97,23 +99,27 @@ EXPORT_SYMBOL(corgi_ssp_ads7846_get); */ unsigned long corgi_ssp_dac_put(ulong data) { - unsigned long flag; + unsigned long flag, sscr1 = SSCR1_SPH; spin_lock_irqsave(&corgi_ssp_lock, flag); - GPCR0 = GPIO_bit(CORGI_GPIO_LCDCON_CS); + + if (machine_is_spitz() || machine_is_akita() || machine_is_borzoi()) + sscr1 = 0; ssp_disable(&corgi_ssp_dev); - ssp_config(&corgi_ssp_dev, (SSCR0_Motorola | (SSCR0_DSS & 0x07 )), SSCR1_SPH, 0, SSCR0_SerClkDiv(76)); + 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); 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); ssp_disable(&corgi_ssp_dev); - ssp_config(&corgi_ssp_dev, (SSCR0_National | (SSCR0_DSS & 0x0b )), 0, 0, SSCR0_SerClkDiv(2)); + ssp_config(&corgi_ssp_dev, (SSCR0_National | (SSCR0_DSS & 0x0b )), 0, 0, SSCR0_SerClkDiv(ssp_machinfo->clk_ads7846)); ssp_enable(&corgi_ssp_dev); - GPSR0 = GPIO_bit(CORGI_GPIO_LCDCON_CS); + spin_unlock_irqrestore(&corgi_ssp_lock, flag); return 0; @@ -141,9 +147,9 @@ int corgi_ssp_max1111_get(ulong data) int voltage,voltage1,voltage2; spin_lock_irqsave(&corgi_ssp_lock, flag); - GPCR0 = GPIO_bit(CORGI_GPIO_MAX1111_CS); + 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(8)); + ssp_config(&corgi_ssp_dev, (SSCR0_Motorola | (SSCR0_DSS & 0x07 )), 0, 0, SSCR0_SerClkDiv(ssp_machinfo->clk_max1111)); ssp_enable(&corgi_ssp_dev); udelay(1); @@ -161,9 +167,9 @@ int corgi_ssp_max1111_get(ulong data) voltage2=ssp_read_word(&corgi_ssp_dev); ssp_disable(&corgi_ssp_dev); - ssp_config(&corgi_ssp_dev, (SSCR0_National | (SSCR0_DSS & 0x0b )), 0, 0, SSCR0_SerClkDiv(2)); + ssp_config(&corgi_ssp_dev, (SSCR0_National | (SSCR0_DSS & 0x0b )), 0, 0, SSCR0_SerClkDiv(ssp_machinfo->clk_ads7846)); ssp_enable(&corgi_ssp_dev); - GPSR0 = GPIO_bit(CORGI_GPIO_MAX1111_CS); + GPSR(ssp_machinfo->cs_max1111) = GPIO_bit(ssp_machinfo->cs_max1111); spin_unlock_irqrestore(&corgi_ssp_lock, flag); if (voltage1 & 0xc0 || voltage2 & 0x3f) @@ -179,25 +185,31 @@ EXPORT_SYMBOL(corgi_ssp_max1111_get); /* * Support Routines */ -int __init corgi_ssp_probe(struct device *dev) + +void __init corgi_ssp_set_machinfo(struct corgissp_machinfo *machinfo) +{ + ssp_machinfo = machinfo; +} + +static int __init corgi_ssp_probe(struct device *dev) { int ret; /* Chip Select - Disable All */ - GPDR0 |= GPIO_bit(CORGI_GPIO_LCDCON_CS); /* output */ - GPSR0 = GPIO_bit(CORGI_GPIO_LCDCON_CS); /* High - Disable LCD Control/Timing Gen */ - GPDR0 |= GPIO_bit(CORGI_GPIO_MAX1111_CS); /* output */ - GPSR0 = GPIO_bit(CORGI_GPIO_MAX1111_CS); /* High - Disable MAX1111*/ - GPDR0 |= GPIO_bit(CORGI_GPIO_ADS7846_CS); /* output */ - GPSR0 = GPIO_bit(CORGI_GPIO_ADS7846_CS); /* High - Disable ADS7846*/ + GPDR(ssp_machinfo->cs_lcdcon) |= GPIO_bit(ssp_machinfo->cs_lcdcon); /* output */ + GPSR(ssp_machinfo->cs_lcdcon) = GPIO_bit(ssp_machinfo->cs_lcdcon); /* High - Disable LCD Control/Timing Gen */ + GPDR(ssp_machinfo->cs_max1111) |= GPIO_bit(ssp_machinfo->cs_max1111); /* output */ + GPSR(ssp_machinfo->cs_max1111) = GPIO_bit(ssp_machinfo->cs_max1111); /* High - Disable MAX1111*/ + GPDR(ssp_machinfo->cs_ads7846) |= GPIO_bit(ssp_machinfo->cs_ads7846); /* output */ + GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846); /* High - Disable ADS7846*/ - ret=ssp_init(&corgi_ssp_dev,1); + ret = ssp_init(&corgi_ssp_dev,ssp_machinfo->port); if (ret) printk(KERN_ERR "Unable to register SSP handler!\n"); else { ssp_disable(&corgi_ssp_dev); - ssp_config(&corgi_ssp_dev, (SSCR0_National | (SSCR0_DSS & 0x0b )), 0, 0, SSCR0_SerClkDiv(2)); + ssp_config(&corgi_ssp_dev, (SSCR0_National | (SSCR0_DSS & 0x0b )), 0, 0, SSCR0_SerClkDiv(ssp_machinfo->clk_ads7846)); ssp_enable(&corgi_ssp_dev); } @@ -222,9 +234,9 @@ static int corgi_ssp_suspend(struct device *dev, pm_message_t state, u32 level) static int corgi_ssp_resume(struct device *dev, u32 level) { if (level == RESUME_POWER_ON) { - GPSR0 = GPIO_bit(CORGI_GPIO_LCDCON_CS); /* High - Disable LCD Control/Timing Gen */ - GPSR0 = GPIO_bit(CORGI_GPIO_MAX1111_CS); /* High - Disable MAX1111*/ - GPSR0 = GPIO_bit(CORGI_GPIO_ADS7846_CS); /* High - Disable ADS7846*/ + 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*/ ssp_restore_state(&corgi_ssp_dev,&corgi_ssp_state); ssp_enable(&corgi_ssp_dev); } diff --git a/arch/arm/mach-pxa/sharpsl.h b/arch/arm/mach-pxa/sharpsl.h new file mode 100644 index 000000000000..672262ee9d2b --- /dev/null +++ b/arch/arm/mach-pxa/sharpsl.h @@ -0,0 +1,15 @@ +/* + * SharpSL SSP Driver + */ + +struct corgissp_machinfo { + int port; + int cs_lcdcon; + int cs_ads7846; + int cs_max1111; + int clk_lcdcon; + int clk_ads7846; + int clk_max1111; +}; + +void corgi_ssp_set_machinfo(struct corgissp_machinfo *machinfo); diff --git a/include/asm-arm/arch-pxa/corgi.h b/include/asm-arm/arch-pxa/corgi.h index 4b7aa0b8391e..e554caa0d18b 100644 --- a/include/asm-arm/arch-pxa/corgi.h +++ b/include/asm-arm/arch-pxa/corgi.h @@ -106,17 +106,5 @@ extern struct platform_device corgiscoop_device; extern struct platform_device corgissp_device; extern struct platform_device corgifb_device; -/* - * External Functions - */ -extern unsigned long corgi_ssp_ads7846_putget(unsigned long); -extern unsigned long corgi_ssp_ads7846_get(void); -extern void corgi_ssp_ads7846_put(unsigned long data); -extern void corgi_ssp_ads7846_lock(void); -extern void corgi_ssp_ads7846_unlock(void); -extern void corgi_ssp_lcdtg_send (unsigned char adrs, unsigned char data); -extern void corgi_ssp_blduty_set(int duty); -extern int corgi_ssp_max1111_get(unsigned long data); - #endif /* __ASM_ARCH_CORGI_H */ diff --git a/include/asm-arm/arch-pxa/sharpsl.h b/include/asm-arm/arch-pxa/sharpsl.h new file mode 100644 index 000000000000..5ce6d05631e8 --- /dev/null +++ b/include/asm-arm/arch-pxa/sharpsl.h @@ -0,0 +1,12 @@ +/* + * SharpSL SSP Driver + */ + +unsigned long corgi_ssp_ads7846_putget(unsigned long); +unsigned long corgi_ssp_ads7846_get(void); +void corgi_ssp_ads7846_put(unsigned long data); +void corgi_ssp_ads7846_lock(void); +void corgi_ssp_ads7846_unlock(void); +void corgi_ssp_lcdtg_send (unsigned char adrs, unsigned char data); +void corgi_ssp_blduty_set(int duty); +int corgi_ssp_max1111_get(unsigned long data);