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[ARM] 3594/1: Poodle: Add touchscreen support + other updates
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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 <[email protected]>
Signed-off-by: Russell King <[email protected]>
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@rpurdie
rpurdie authored and Russell King committed Jun 19, 2006
1 parent f8703dc commit faed568
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Showing 5 changed files with 99 additions and 17 deletions.
1 change: 1 addition & 0 deletions arch/arm/mach-pxa/Kconfig
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Original file line number Diff line number Diff line change
Expand Up @@ -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"
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2 changes: 1 addition & 1 deletion arch/arm/mach-pxa/Makefile
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Original file line number Diff line number Diff line change
Expand Up @@ -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
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42 changes: 28 additions & 14 deletions arch/arm/mach-pxa/corgi_ssp.c
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Original file line number Diff line number Diff line change
Expand Up @@ -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;
Expand All @@ -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);
}

Expand Down Expand Up @@ -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));
Expand Down Expand Up @@ -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);
Expand All @@ -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)
Expand All @@ -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);

Expand Down Expand Up @@ -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);

Expand Down
69 changes: 67 additions & 2 deletions arch/arm/mach-pxa/poodle.c
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Original file line number Diff line number Diff line change
Expand Up @@ -37,12 +37,15 @@
#include <asm/arch/irda.h>
#include <asm/arch/poodle.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/sharpsl.h>
#include <asm/arch/ssp.h>

#include <asm/hardware/scoop.h>
#include <asm/hardware/locomo.h>
#include <asm/mach/sharpsl_param.h>

#include "generic.h"
#include "sharpsl.h"

static struct resource poodle_scoop_resources[] = {
[0] = {
Expand Down Expand Up @@ -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
Expand Down Expand Up @@ -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)
Expand Down Expand Up @@ -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);
Expand All @@ -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,
Expand Down
2 changes: 2 additions & 0 deletions include/asm-arm/arch-pxa/poodle.h
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Original file line number Diff line number Diff line change
Expand Up @@ -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 */

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