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Diffstat (limited to 'meta/packages/linux/linux-rp-2.6.23+2.6.24-rc8/hx2750_base-r31.patch')
-rw-r--r--meta/packages/linux/linux-rp-2.6.23+2.6.24-rc8/hx2750_base-r31.patch1094
1 files changed, 1094 insertions, 0 deletions
diff --git a/meta/packages/linux/linux-rp-2.6.23+2.6.24-rc8/hx2750_base-r31.patch b/meta/packages/linux/linux-rp-2.6.23+2.6.24-rc8/hx2750_base-r31.patch
new file mode 100644
index 000000000..5d58bcf55
--- /dev/null
+++ b/meta/packages/linux/linux-rp-2.6.23+2.6.24-rc8/hx2750_base-r31.patch
@@ -0,0 +1,1094 @@
+---
+ arch/arm/mach-pxa/Kconfig | 10
+ arch/arm/mach-pxa/Makefile | 1
+ arch/arm/mach-pxa/hx2750.c | 450 ++++++++++++++++++++++++++++++++++++++
+ arch/arm/mach-pxa/hx2750_test.c | 433 ++++++++++++++++++++++++++++++++++++
+ arch/arm/mach-pxa/pm.c | 5
+ arch/arm/mach-pxa/pxa25x.c | 4
+ arch/arm/mach-pxa/pxa27x.c | 4
+ include/asm-arm/arch-pxa/hx2750.h | 90 +++++++
+ 8 files changed, 995 insertions(+), 2 deletions(-)
+
+--- /dev/null
++++ linux-2.6.24-rc1/include/asm-arm/arch-pxa/hx2750.h
+@@ -0,0 +1,90 @@
++/*
++ * Hardware specific definitions for iPAQ hx2750
++ *
++ * Copyright 2005 Openedhand Ltd.
++ *
++ * Author: Richard Purdie <richard@o-hand.com>
++ *
++ * 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.
++ *
++ */
++#ifndef __ASM_ARCH_HX2750_H
++#define __ASM_ARCH_HX2750_H 1
++
++/*
++ * HX2750 (Non Standard) GPIO Definitions
++ */
++
++#define HX2750_GPIO_KEYPWR (0) /* Power button */
++#define HX2750_GPIO_BATTCOVER1 (9) /* Battery Cover Switch */
++#define HX2750_GPIO_CF_IRQ (11) /* CF IRQ? */
++#define HX2750_GPIO_USBCONNECT (12) /* USB Connected? */
++#define HX2750_GPIO_CF_DETECT (13) /* CF Card Detect? */
++#define HX2750_GPIO_EXTPWR (14) /* External Power Detect */
++#define HX2750_GPIO_BATLVL (15) /* Battery Level Detect */
++#define HX2750_GPIO_CF_PWR (17) /* CF Power? */
++#define HX2750_GPIO_SR_STROBE (18) /* Shift Register Strobe */
++#define HX2750_GPIO_CHARGE (22) /* Charging Enable (active low) */
++#define HX2750_GPIO_TSC2101_SS (24) /* TSC2101 SS# */
++#define HX2750_GPIO_BTPWR (27) /* Bluetooth Power? */
++#define HX2750_GPIO_BATTCOVER2 (33) /* Battery Cover Switch */
++#define HX2750_GPIO_SD_DETECT (38) /* MMC Card Detect */
++#define HX2750_GPIO_SR_CLK1 (52) /* Shift Register Clock */
++#define HX2750_GPIO_SR_CLK2 (53)
++#define HX2750_GPIO_CF_WIFIIRQ (54) /* CF Wifi IRQ? */
++#define HX2750_GPIO_GPIO_DIN (88) /* Shift Register Data */
++#define HX2750_GPIO_KEYLEFT (90) /* Left button */
++#define HX2750_GPIO_KEYRIGHT (91) /* Right button */
++#define HX2750_GPIO_KEYCAL (93) /* Calander button */
++#define HX2750_GPIO_KEYTASK (94) /* Task button */
++#define HX2750_GPIO_KEYSIDE (95) /* Side button */
++#define HX2750_GPIO_KEYENTER (96) /* Enter Button*/
++#define HX2750_GPIO_KEYCON (97) /* Contacts button */
++#define HX2750_GPIO_KEYMAIL (98) /* Mail button */
++#define HX2750_GPIO_BIOPWR (99) /* BIO Reader Power? */
++#define HX2750_GPIO_KEYUP (100) /* Up button */
++#define HX2750_GPIO_KEYDOWN (101) /* Down button*/
++#define HX2750_GPIO_SD_READONLY (103) /* MMC/SD Write Protection */
++#define HX2750_GPIO_LEDMAIL (106) /* Green Mail LED */
++#define HX2750_GPIO_HP_JACK (108) /* Head Phone Jack Present */
++#define HX2750_GPIO_PENDOWN (117) /* Touch Screen Pendown */
++
++
++//#define HX2750_GPIO_ () /* */
++
++/*
++ * HX2750 Interrupts
++ */
++#define HX2750_IRQ_GPIO_EXTPWR IRQ_GPIO(HX2750_GPIO_EXTPWR)
++#define HX2750_IRQ_GPIO_SD_DETECT IRQ_GPIO(HX2750_GPIO_SD_DETECT)
++#define HX2750_IRQ_GPIO_PENDOWN IRQ_GPIO(HX2750_GPIO_PENDOWN)
++#define HX2750_IRQ_GPIO_CF_DETECT IRQ_GPIO(HX2750_GPIO_CF_DETECT)
++#define HX2750_IRQ_GPIO_CF_IRQ IRQ_GPIO(HX2750_GPIO_CF_IRQ)
++#define HX2750_IRQ_GPIO_CF_WIFIIRQ IRQ_GPIO(HX2750_GPIO_CF_WIFIIRQ)
++
++/*
++ * HX2750 Extra GPIO Definitions
++ */
++
++#define HX2750_EGPIO_WIFI_PWR (1 << 11) /* Wifi power */
++#define HX2750_EGPIO_LCD_PWR (1 << 10) /* LCD Power */
++#define HX2750_EGPIO_BL_PWR (1 << 9) /* Backlight LED Power */
++#define HX2750_EGPIO_8 (1 << 8) /* */
++#define HX2750_EGPIO_7 (1 << 7) /* */
++#define HX2750_EGPIO_SD_PWR (1 << 6) /* SD Power */
++#define HX2750_EGPIO_TSC_PWR (1 << 5) /* TS Power */
++#define HX2750_EGPIO_CF0_RESET (1 << 4) /* CF0 Reset */
++#define HX2750_EGPIO_CF1_RESET (1 << 3) /* CF1 Reset */
++#define HX2750_EGPIO_2 (1 << 2) /* Power/Red LED Related?*/
++#define HX2750_EGPIO_1 (1 << 1) /* Power/Red LED Related?*/
++#define HX2750_EGPIO_PWRLED (1 << 0) /* Power/Red LED Related?*/
++
++
++void hx2750_set_egpio(unsigned int gpio);
++void hx2750_clear_egpio(unsigned int gpio);
++
++
++#endif /* __ASM_ARCH_HX2750_H */
++
+--- linux-2.6.24-rc1.orig/arch/arm/mach-pxa/Makefile
++++ linux-2.6.24-rc1/arch/arm/mach-pxa/Makefile
+@@ -22,6 +22,7 @@
+ obj-$(CONFIG_MACH_POODLE) += poodle.o corgi_ssp.o
+ obj-$(CONFIG_MACH_TOSA) += tosa.o
+ obj-$(CONFIG_MACH_EM_X270) += em-x270.o
++obj-$(CONFIG_MACH_HX2750) += hx2750.o hx2750_test.o
+
+ ifeq ($(CONFIG_MACH_ZYLONITE),y)
+ obj-y += zylonite.o
+--- /dev/null
++++ linux-2.6.24-rc1/arch/arm/mach-pxa/hx2750_test.c
+@@ -0,0 +1,433 @@
++/*
++ * HP iPAQ hx2750 Test Development Code
++ *
++ * Copyright 2005 Openedhand Ltd.
++ *
++ * Author: Richard Purdie <richard@o-hand.com>
++ *
++ * 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/init.h>
++#include <linux/kernel.h>
++#include <linux/ioport.h>
++#include <linux/device.h>
++#include <linux/input.h>
++#include <linux/delay.h>
++#include <linux/interrupt.h>
++
++#include <asm/mach-types.h>
++#include <asm/hardware.h>
++#include <asm/mach/arch.h>
++
++#include <asm/arch/hx2750.h>
++#include <asm/arch/pxa-regs.h>
++
++
++static int prodval;
++
++/*
++ * Sysfs functions
++ */
++static ssize_t test1_show(struct device *dev, char *buf)
++{
++ unsigned long rp;
++
++ asm ("mrc p15, 0, %0, cr1, cr0;\n" :"=r"(rp) );
++ printk("%lx\n",rp);
++
++ asm ("mrc p15, 0, %0, cr1, cr1;\n" :"=r"(rp) );
++ printk("%lx\n",rp);
++
++ asm ("mrc p15, 0, %0, cr2, cr0;\n" :"=r"(rp) );
++ printk("%lx\n",rp);
++
++ asm ("mrc p15, 0, %0, cr3, cr0;\n" :"=r"(rp) );
++ printk("%lx\n",rp);
++
++ asm ("mrc p15, 0, %0, cr13, cr0;\n" :"=r"(rp) );
++ printk("%lx\n",rp);
++
++ return sprintf(buf, "%d\n",prodval);
++}
++extern void tsc2101_print_miscdata(struct device *dev);
++extern struct platform_device tsc2101_device;
++
++static ssize_t test1_store(struct device *dev, const char *buf, size_t count)
++{
++ prodval = simple_strtoul(buf, NULL, 10);
++
++ tsc2101_print_miscdata(&tsc2101_device.dev);
++
++ return count;
++}
++
++static DEVICE_ATTR(test1, 0644, test1_show, test1_store);
++
++static ssize_t test2_show(struct device *dev, char *buf)
++{
++ printk(KERN_ERR "SSCR0_P2: %08x\n", SSCR0_P2);
++ printk(KERN_ERR "SSCR1_P2: %08x\n", SSCR1_P2);
++ printk(KERN_ERR "SSSR_P2: %08x\n", SSSR_P2);
++ printk(KERN_ERR "SSITR_P2: %08x\n", SSITR_P2);
++ printk(KERN_ERR "SSDR_P2: %08x\n", SSDR_P2);
++ printk(KERN_ERR "SSTO_P2: %08x\n", SSTO_P2);
++ printk(KERN_ERR "SSPSP_P2: %08x\n", SSPSP_P2);
++
++ hx2750_ssp_init2();
++
++ printk(KERN_ERR "SSCR0_P2: %08x\n", SSCR0_P2);
++ printk(KERN_ERR "SSCR1_P2: %08x\n", SSCR1_P2);
++ printk(KERN_ERR "SSSR_P2: %08x\n", SSSR_P2);
++ printk(KERN_ERR "SSITR_P2: %08x\n", SSITR_P2);
++ printk(KERN_ERR "SSDR_P2: %08x\n", SSDR_P2);
++ printk(KERN_ERR "SSTO_P2: %08x\n", SSTO_P2);
++ printk(KERN_ERR "SSPSP_P2: %08x\n", SSPSP_P2);
++
++ return sprintf(buf, "%d\n",0);
++}
++
++static DEVICE_ATTR(test2, 0444, test2_show, NULL);
++
++extern unsigned int hx2750_egpio_current;
++
++static ssize_t setegpio_show(struct device *dev, char *buf)
++{
++ return sprintf(buf, "%x\n",hx2750_egpio_current);
++}
++
++static ssize_t setegpio_store(struct device *dev, const char *buf, size_t count)
++{
++ unsigned int val = simple_strtoul(buf, NULL, 10);
++
++ hx2750_set_egpio(1 << val);
++
++ return count;
++}
++
++static DEVICE_ATTR(setegpio, 0644, setegpio_show, setegpio_store);
++
++static ssize_t clregpio_show(struct device *dev, char *buf)
++{
++ return sprintf(buf, "%x\n",hx2750_egpio_current);
++}
++
++static ssize_t gpio_show(struct device *dev, char *buf)
++{
++ int i;
++
++ printk(KERN_ERR "GPIO# D S A INTER\n");
++
++ for (i=0;i<119;i++) {
++ printk(KERN_ERR " %3d: ",i);
++ if (GPDR(i) & GPIO_bit(i))
++ printk("O ");
++ else
++ printk("I ");
++ printk("%d ",(GPLR(i) & GPIO_bit(i)) != 0);
++ printk("%d ",((GAFR(i) & (0x3 << (((i) & 0xf)*2)))) >> (((i) & 0xf)*2) );
++ if (GEDR(i) & GPIO_bit(i))
++ printk("ED ");
++ if (GRER(i) & GPIO_bit(i))
++ printk("RE ");
++ if (GFER(i) & GPIO_bit(i))
++ printk("FE ");
++
++ printk("\n");
++ }
++ return sprintf(buf, "EGPIO: %x\n",hx2750_egpio_current);
++}
++
++static ssize_t clregpio_store(struct device *dev, const char *buf, size_t count)
++{
++ unsigned int val = simple_strtoul(buf, NULL, 10);
++
++ hx2750_clear_egpio(1 << val);
++
++ return count;
++}
++
++static DEVICE_ATTR(clregpio, 0644, clregpio_show, clregpio_store);
++
++
++static ssize_t gpioclr_store(struct device *dev, const char *buf, size_t count)
++{
++ int prod;
++ prod = simple_strtoul(buf, NULL, 10);
++
++ GPCR(prod) = GPIO_bit(prod);
++
++ return count;
++}
++
++static DEVICE_ATTR(gpioclr, 0644, gpio_show, gpioclr_store);
++
++static ssize_t gpioset_store(struct device *dev, const char *buf, size_t count)
++{
++ int prod;
++ prod = simple_strtoul(buf, NULL, 10);
++
++ GPSR(prod) = GPIO_bit(prod);
++
++ return count;
++}
++
++static DEVICE_ATTR(gpioset, 0644, gpio_show, gpioset_store);
++
++
++static ssize_t ssp2read_store(struct device *dev, const char *buf, size_t count)
++{
++ unsigned int val = simple_strtoul(buf, NULL, 16);
++
++ printk("Read: %08x\n",hx2750_ssp2_read(val));
++
++ return count;
++}
++
++static DEVICE_ATTR(ssp2read, 0200, NULL, ssp2read_store);
++
++static ssize_t ssp2write_store(struct device *dev, const char *buf, size_t count)
++{
++ unsigned int val = simple_strtoul(buf, NULL, 16);
++
++ printk("Write: %08x\n",hx2750_ssp2_write(val));
++
++ return count;
++}
++
++static DEVICE_ATTR(ssp2write, 0200, NULL, ssp2write_store);
++
++
++static ssize_t sspr_store(struct device *dev, const char *buf, size_t count)
++{
++ unsigned long val,ret;
++ val = simple_strtoul(buf, NULL, 0);
++
++ hx2750_tsc2101_send(1<<15,val,&ret,1);
++
++ printk("Response: %x\n",ret);
++
++ return count;
++}
++
++static DEVICE_ATTR(sspr, 0200, NULL, sspr_store);
++
++static ssize_t sspw_store(struct device *dev, const char *buf, size_t count)
++{
++ int val,ret;
++ sscanf(buf, "%lx %lx", &val, &ret);
++
++ hx2750_tsc2101_send(0,val,&ret,1);
++
++ return count;
++}
++
++static DEVICE_ATTR(sspw, 0200, NULL, sspw_store);
++
++
++extern struct pm_ops pxa_pm_ops;
++extern void pxa_cpu_resume(void);
++extern unsigned long pxa_pm_pspr_value;
++
++static int (*pxa_pm_enter_orig)(suspend_state_t state);
++
++//static struct {
++// u32 ffier, fflcr, ffmcr, ffspr, ffisr, ffdll, ffdlh;
++//} sys_ctx;
++
++u32 resstruct[20];
++
++static int hx2750_pxa_pm_enter(suspend_state_t state)
++{
++ int i;
++ u32 save[10];
++
++ PWER = 0xC0000003;// | PWER_RTC;
++ PFER = 0x00000003;
++ PRER = 0x00000003;
++
++ PGSR0=0x00000018;
++ PGSR1=0x00000380;
++ PGSR2=0x00800000;
++ PGSR3=0x00500400;
++
++ //PVCR=0x494; or 0x14;
++ //PVCR=0x14;
++ //PCMD0=0x41f;
++ //i=PISR;
++ //PICR=0x00000062;
++
++ //PCFR=0x457;
++ //PCFR=0x70; // Does not resume from sleep
++ PCFR=0x077; // was 0x477
++ PSLR=0xff100004;
++
++ resstruct[0]=0x0000b4e6;
++ resstruct[1]=0x00000001;
++ resstruct[2]=virt_to_phys(pxa_cpu_resume);
++ resstruct[3]=0xffffffff; //value for r0
++
++ resstruct[14]=0x00000078; //mcr 15, 0, r0, cr1, cr0, {0}
++ resstruct[15]=0x00000000; //mcr 15, 0, r0, cr1, cr1, {0} 0xffffffff
++ resstruct[16]=0xa0000000; //mcr 15, 0, r0, cr2, cr0, {0} 0xa0748000
++ resstruct[17]=0x00000001; //mcr 15, 0, r0, cr3, cr0, {0} 0x00000015
++ resstruct[18]=0x00000000; //mcr 15, 0, r0, cr13, cr0, {0} 0x00000000
++
++ pxa_pm_pspr_value=virt_to_phys(&resstruct[0]);
++
++ hx2750_send_egpio(3);
++
++ pxa_gpio_mode(87 | GPIO_OUT | GPIO_DFLT_HIGH);
++
++ //sys_ctx.ffier = FFIER;
++ //sys_ctx.fflcr = FFLCR;
++ //sys_ctx.ffmcr = FFMCR;
++ //sys_ctx.ffspr = FFSPR;
++ //sys_ctx.ffisr = FFISR;
++ //FFLCR |= 0x80;
++ //sys_ctx.ffdll = FFDLL;
++ //sys_ctx.ffdlh = FFDLH;
++ //FFLCR &= 0xef;
++
++ pxa_pm_enter_orig(state);
++
++ //FFMCR = sys_ctx.ffmcr;
++ //FFSPR = sys_ctx.ffspr;
++ //FFLCR = sys_ctx.fflcr;
++ //FFLCR |= 0x80;
++ //FFDLH = sys_ctx.ffdlh;
++ //FFDLL = sys_ctx.ffdll;
++ //FFLCR = sys_ctx.fflcr;
++ //FFISR = sys_ctx.ffisr;
++ //FFLCR = 0x07;
++ //FFIER = sys_ctx.ffier;
++
++ return 0;
++}
++
++static irqreturn_t hx2750_charge_int(int irq, void *dev_id, struct pt_regs *regs)
++{
++ if ((GPLR(HX2750_GPIO_EXTPWR) & GPIO_bit(HX2750_GPIO_EXTPWR)) == 0) {
++ printk("Charging On\n");
++ GPCR(HX2750_GPIO_CHARGE);
++ } else {
++ printk("Charging Off\n");
++ GPSR(HX2750_GPIO_CHARGE);
++ }
++
++ return IRQ_HANDLED;
++}
++
++
++
++
++static irqreturn_t hx2750_interrupt(int irq, void *dev_id, struct pt_regs *regs)
++{
++ printk("Input %d changed.\n", irq-32);
++
++ return IRQ_HANDLED;
++}
++
++
++static int __init hx2750_test_probe(struct device *dev)
++{
++ pxa_gpio_mode(21 | GPIO_OUT | GPIO_DFLT_HIGH);
++ pxa_gpio_mode(HX2750_GPIO_CHARGE | GPIO_OUT | GPIO_DFLT_HIGH);
++ pxa_gpio_mode(83 | GPIO_OUT | GPIO_DFLT_HIGH);
++ pxa_gpio_mode(HX2750_GPIO_BIOPWR | GPIO_OUT | GPIO_DFLT_HIGH);
++ pxa_gpio_mode(116 | GPIO_OUT | GPIO_DFLT_HIGH);
++ pxa_gpio_mode(118 | GPIO_OUT | GPIO_DFLT_HIGH);
++
++
++ //pxa_gpio_mode(HX2750_GPIO_CF_PWR | GPIO_OUT | GPIO_DFLT_LOW);
++ pxa_gpio_mode(HX2750_GPIO_CF_PWR | GPIO_OUT | GPIO_DFLT_HIGH);
++ pxa_gpio_mode(HX2750_GPIO_BTPWR | GPIO_OUT | GPIO_DFLT_LOW);
++ pxa_gpio_mode(79 | GPIO_OUT | GPIO_DFLT_LOW);
++ pxa_gpio_mode(85 | GPIO_OUT | GPIO_DFLT_LOW);
++ pxa_gpio_mode(HX2750_GPIO_LEDMAIL | GPIO_OUT | GPIO_DFLT_LOW);
++ pxa_gpio_mode(107 | GPIO_OUT | GPIO_DFLT_LOW);
++ pxa_gpio_mode(114 | GPIO_OUT | GPIO_DFLT_LOW);
++
++ pxa_gpio_mode(HX2750_GPIO_BATTCOVER1 | GPIO_IN);
++ pxa_gpio_mode(HX2750_GPIO_BATTCOVER2 | GPIO_IN);
++ pxa_gpio_mode(HX2750_GPIO_CF_IRQ | GPIO_IN);
++ pxa_gpio_mode(HX2750_GPIO_USBCONNECT | GPIO_IN);
++ pxa_gpio_mode(HX2750_GPIO_CF_DETECT | GPIO_IN);
++ pxa_gpio_mode(HX2750_GPIO_EXTPWR | GPIO_IN);
++
++ pxa_gpio_mode(HX2750_GPIO_BATLVL | GPIO_IN);
++ //pxa_gpio_mode(HX2750_GPIO_CF_WIFIIRQ | GPIO_IN);
++ pxa_gpio_mode(80 | GPIO_IN);
++ pxa_gpio_mode(HX2750_GPIO_HP_JACK | GPIO_IN);
++ pxa_gpio_mode(115 | GPIO_IN);
++ pxa_gpio_mode(119 | GPIO_IN);
++
++ request_irq(IRQ_GPIO(HX2750_GPIO_BATLVL), hx2750_interrupt, SA_INTERRUPT, "hx2750test", NULL);
++ //request_irq(IRQ_GPIO(HX2750_GPIO_CF_WIFIIRQ), hx2750_interrupt, SA_INTERRUPT, "hx2750test", NULL);
++ request_irq(IRQ_GPIO(80), hx2750_interrupt, SA_INTERRUPT, "hx2750test", NULL);
++ request_irq(IRQ_GPIO(115), hx2750_interrupt, SA_INTERRUPT, "hx2750test", NULL);
++ request_irq(IRQ_GPIO(119), hx2750_interrupt, SA_INTERRUPT, "hx2750test", NULL);
++ request_irq(IRQ_GPIO(HX2750_GPIO_SR_CLK2), hx2750_interrupt, SA_INTERRUPT, "hx2750test", NULL);
++
++ //request_irq(IRQ_GPIO(10), hx2750_interrupt, SA_INTERRUPT, "hx2750test", NULL);
++
++ set_irq_type(IRQ_GPIO(HX2750_GPIO_BATLVL),IRQT_BOTHEDGE);
++ //set_irq_type(IRQ_GPIO(HX2750_GPIO_CF_WIFIIRQ),IRQT_BOTHEDGE);
++ set_irq_type(IRQ_GPIO(80),IRQT_BOTHEDGE);
++ set_irq_type(IRQ_GPIO(115),IRQT_BOTHEDGE);
++ set_irq_type(IRQ_GPIO(119),IRQT_BOTHEDGE);
++ set_irq_type(IRQ_GPIO(HX2750_GPIO_SR_CLK2),IRQT_BOTHEDGE);
++
++ //set_irq_type(IRQ_GPIO(10),IRQT_BOTHEDGE);
++
++ printk("hx2750 Test Code Initialized.\n");
++ device_create_file(dev, &dev_attr_test1);
++ device_create_file(dev, &dev_attr_test2);
++ device_create_file(dev, &dev_attr_setegpio);
++ device_create_file(dev, &dev_attr_clregpio);
++ device_create_file(dev, &dev_attr_gpioset);
++ device_create_file(dev, &dev_attr_gpioclr);
++ device_create_file(dev, &dev_attr_sspr);
++ device_create_file(dev, &dev_attr_sspw);
++ device_create_file(dev, &dev_attr_ssp2read);
++ device_create_file(dev, &dev_attr_ssp2write);
++
++ request_irq(HX2750_IRQ_GPIO_EXTPWR, hx2750_charge_int, SA_INTERRUPT, "hx2750_extpwr", NULL);
++ set_irq_type(HX2750_IRQ_GPIO_EXTPWR, IRQT_BOTHEDGE);
++
++ pxa_pm_enter_orig=pxa_pm_ops.enter;
++ pxa_pm_ops.enter=hx2750_pxa_pm_enter;
++
++ return 0;
++}
++
++static struct device_driver hx2750_test_driver = {
++ .name = "hx2750-test",
++ .bus = &platform_bus_type,
++ .probe = hx2750_test_probe,
++// .remove = hx2750_bl_remove,
++// .suspend = hx2750_bl_suspend,
++// .resume = hx2750_bl_resume,
++};
++
++
++static int __init hx2750_test_init(void)
++{
++ return driver_register(&hx2750_test_driver);
++}
++
++
++static void __exit hx2750_test_exit(void)
++{
++ driver_unregister(&hx2750_test_driver);
++}
++
++module_init(hx2750_test_init);
++module_exit(hx2750_test_exit);
++
++MODULE_AUTHOR("Richard Purdie <richard@o-hand.com>");
++MODULE_DESCRIPTION("iPAQ hx2750 Backlight Driver");
++MODULE_LICENSE("GPLv2");
+--- linux-2.6.24-rc1.orig/arch/arm/mach-pxa/Kconfig
++++ linux-2.6.24-rc1/arch/arm/mach-pxa/Kconfig
+@@ -83,6 +83,15 @@
+ bool "Sharp PXA270 models (SL-Cxx00)"
+ select PXA27x
+
++config MACH_HX2750
++ bool "HP iPAQ hx2750"
++ select PXA27x
++ select PXA_KEYS
++ select MFD_TSC2101
++ select PXA_SSP
++ help
++ This enables support for the HP iPAQ HX2750 handheld.
++
+ endchoice
+
+ endif
+@@ -181,3 +190,4 @@
+ help
+ Enable support for PXA2xx SSP ports
+ endif
++
+--- /dev/null
++++ linux-2.6.24-rc1/arch/arm/mach-pxa/hx2750.c
+@@ -0,0 +1,450 @@
++/*
++ * Machine definitions for HP iPAQ hx2750
++ *
++ * Copyright 2005 Openedhand Ltd.
++ *
++ * Author: Richard Purdie <richard@o-hand.com>
++ *
++ * 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/init.h>
++#include <linux/kernel.h>
++#include <linux/ioport.h>
++#include <linux/platform_device.h>
++#include <linux/delay.h>
++#include <linux/input.h>
++#include <linux/irq.h>
++#include <linux/mmc/host.h>
++#include <linux/mfd/tsc2101.h>
++
++#include <asm/mach-types.h>
++#include <asm/hardware.h>
++#include <asm/mach/arch.h>
++
++#include <asm/arch/hx2750.h>
++#include <asm/arch/pxa-regs.h>
++#include <asm/arch/pxa_keys.h>
++#include <asm/mach/map.h>
++#include <asm/arch/udc.h>
++#include <asm/arch/mmc.h>
++#include <asm/arch/audio.h>
++#include <asm/arch/pxafb.h>
++#include <asm/arch/ssp.h>
++
++#include "generic.h"
++
++
++/*
++ * Keys Support
++ */
++static struct pxa_keys_button hx2750_button_table[] = {
++ { KEY_POWER, HX2750_GPIO_KEYPWR, PXAKEY_PWR_KEY },
++ { KEY_LEFT, HX2750_GPIO_KEYLEFT, 0 },
++ { KEY_RIGHT, HX2750_GPIO_KEYRIGHT, 0 },
++ { KEY_KP0, HX2750_GPIO_KEYCAL, 0 },
++ { KEY_KP1, HX2750_GPIO_KEYTASK, 0 },
++ { KEY_KP2, HX2750_GPIO_KEYSIDE, 0 },
++ { KEY_ENTER, HX2750_GPIO_KEYENTER, 0 },
++ { KEY_KP3, HX2750_GPIO_KEYCON, 0 }, //KEY_CONTACTS
++ { KEY_MAIL, HX2750_GPIO_KEYMAIL, 0 },
++ { KEY_UP, HX2750_GPIO_KEYUP, 0 },
++ { KEY_DOWN, HX2750_GPIO_KEYDOWN, 0 },
++};
++
++static struct pxa_keys_platform_data hx2750_pxa_keys_data = {
++ .buttons = hx2750_button_table,
++ .nbuttons = ARRAY_SIZE(hx2750_button_table),
++};
++
++static struct platform_device hx2750_pxa_keys = {
++ .name = "pxa2xx-keys",
++ .dev = {
++ .platform_data = &hx2750_pxa_keys_data,
++ },
++};
++
++
++/*
++ * Backlight Device
++ */
++extern struct platform_device pxafb_device;
++
++static struct platform_device hx2750_bl_device = {
++ .name = "hx2750-bl",
++ .id = -1,
++// .dev = {
++// .parent = &pxafb_device.dev,
++// }
++};
++
++
++/*
++ * UDC/USB
++ */
++static int hx2750_udc_is_connected (void)
++{
++ return GPLR0 & GPIO_bit(HX2750_GPIO_USBCONNECT);
++}
++
++//static void hx2750_udc_command (int cmd)
++//{
++//}
++
++static struct pxa2xx_udc_mach_info hx2750_udc_mach_info = {
++ .udc_is_connected = hx2750_udc_is_connected,
++// .udc_command = hx2750_udc_command,
++};
++
++
++/*
++ * SSP Devices Setup
++ */
++static struct ssp_dev hx2750_ssp_dev1;
++static struct ssp_dev hx2750_ssp_dev2;
++static struct ssp_dev hx2750_ssp_dev3;
++
++void hx2750_ssp_init(void)
++{
++ pxa_gpio_mode(HX2750_GPIO_TSC2101_SS | GPIO_OUT | GPIO_DFLT_HIGH);
++
++ if (ssp_init(&hx2750_ssp_dev1, 1, 0))
++ printk(KERN_ERR "Unable to register SSP1 handler!\n");
++ else {
++ ssp_disable(&hx2750_ssp_dev1);
++ ssp_config(&hx2750_ssp_dev1, (SSCR0_Motorola | (SSCR0_DSS & 0x0f )), SSCR1_SPH, 0, SSCR0_SerClkDiv(6));
++ ssp_enable(&hx2750_ssp_dev1);
++ hx2750_set_egpio(HX2750_EGPIO_TSC_PWR);
++ }
++
++// if (ssp_init(&hx2750_ssp_dev2, 2, 0))
++// printk(KERN_ERR "Unable to register SSP2 handler!\n");
++// else {
++// ssp_disable(&hx2750_ssp_dev2);
++// ssp_config(&hx2750_ssp_dev2, (SSCR0_TI | (SSCR0_DSS & 0x09 )), 0, 0, SSCR0_SerClkDiv(140));
++// ssp_enable(&hx2750_ssp_dev2);
++// }
++//
++ if (ssp_init(&hx2750_ssp_dev3, 3, 0))
++ printk(KERN_ERR "Unable to register SSP3 handler!\n");
++ else {
++ ssp_disable(&hx2750_ssp_dev3);
++ ssp_config(&hx2750_ssp_dev3, (SSCR0_Motorola | (SSCR0_DSS & 0x07 )), SSCR1_SPO | SSCR1_SPH, 0, SSCR0_SerClkDiv(166));
++ ssp_enable(&hx2750_ssp_dev3);
++ }
++
++ printk("SSP Devices Initialised\n");
++
++ return;
++}
++
++struct ssp_state ssp1;
++
++void hx2750_ssp_suspend(void)
++{
++ ssp_disable(&hx2750_ssp_dev1);
++ ssp_save_state(&hx2750_ssp_dev1,&ssp1);
++ hx2750_clear_egpio(HX2750_EGPIO_TSC_PWR);
++}
++
++void hx2750_ssp_resume(void)
++{
++ hx2750_set_egpio(HX2750_EGPIO_TSC_PWR);
++ ssp_restore_state(&hx2750_ssp_dev1,&ssp1);
++ ssp_enable(&hx2750_ssp_dev1);
++}
++
++void hx2750_ssp_init2(void)
++{
++ printk("Stage 1: %x\n",CKEN);
++ if (ssp_init(&hx2750_ssp_dev2, 2, 0))
++ printk(KERN_ERR "Unable to register SSP2 handler!\n");
++ else {
++ printk("Stage 2: %x\n",CKEN);
++ ssp_disable(&hx2750_ssp_dev2);
++ printk("Stage 3: %x\n",CKEN);
++ ssp_config(&hx2750_ssp_dev2, (SSCR0_TI | (SSCR0_DSS & 0x09 )) | SSCR0_SSE, 0, 0, SSCR0_SerClkDiv(212));
++ printk("Stage 4: %x\n",CKEN);
++ ssp_enable(&hx2750_ssp_dev2);
++ printk("Stage 5: %x\n",CKEN);
++ }
++ printk("SSP Device2 Initialised\n");
++
++ printk("Sent: 0x3ff\n");
++ ssp_write_word(&hx2750_ssp_dev2,0x3ff);
++
++ return;
++}
++
++void hx2750_ssp2_reset(void)
++{
++ ssp_write_word(&hx2750_ssp_dev2,0x000);
++ ssp_write_word(&hx2750_ssp_dev2,0x000);
++
++}
++
++unsigned long hx2750_ssp2_read(void)
++{
++ u32 ret = 0;
++ ssp_read_word(&hx2750_ssp_dev2, &ret);
++ return ret;
++}
++
++void hx2750_ssp2_write(unsigned long data)
++{
++ ssp_write_word(&hx2750_ssp_dev2, data);
++}
++
++
++/*
++ * Extra hx2750 Specific GPIOs
++ */
++void hx2750_send_egpio(unsigned int val)
++{
++ int i;
++
++ GPCR0 = GPIO_bit(HX2750_GPIO_SR_STROBE);
++ GPCR1 = GPIO_bit(HX2750_GPIO_SR_CLK1);
++
++ for (i=0;i<12;i++) {
++ if (val & 0x01)
++ GPSR2 = GPIO_bit(HX2750_GPIO_GPIO_DIN);
++ else
++ GPCR2 = GPIO_bit(HX2750_GPIO_GPIO_DIN);
++ val >>= 1;
++ GPSR1 = GPIO_bit(HX2750_GPIO_SR_CLK1);
++ GPCR1 = GPIO_bit(HX2750_GPIO_SR_CLK1);
++ }
++
++ GPSR0 = GPIO_bit(HX2750_GPIO_SR_STROBE);
++ GPCR0 = GPIO_bit(HX2750_GPIO_SR_STROBE);
++}
++
++EXPORT_SYMBOL(hx2750_send_egpio);
++
++unsigned int hx2750_egpio_current;
++
++void hx2750_set_egpio(unsigned int gpio)
++{
++ hx2750_egpio_current|=gpio;
++
++ hx2750_send_egpio(hx2750_egpio_current);
++}
++EXPORT_SYMBOL(hx2750_set_egpio);
++
++void hx2750_clear_egpio(unsigned int gpio)
++{
++ hx2750_egpio_current&=~gpio;
++
++ hx2750_send_egpio(hx2750_egpio_current);
++}
++EXPORT_SYMBOL(hx2750_clear_egpio);
++
++
++/*
++ * Touchscreen/Sound/Battery Status
++ */
++void hx2750_tsc2101_send(int read, int command, int *values, int numval)
++{
++ u32 ret = 0;
++ int i;
++
++ GPCR0 = GPIO_bit(HX2750_GPIO_TSC2101_SS);
++
++ ssp_write_word(&hx2750_ssp_dev1, command | read);
++ /* dummy read */
++ ssp_read_word(&hx2750_ssp_dev1, &ret);
++
++ for (i=0; i < numval; i++) {
++ if (read) {
++ ssp_write_word(&hx2750_ssp_dev1, 0);
++ ssp_read_word(&hx2750_ssp_dev1, &values[i]);
++ } else {
++ ssp_write_word(&hx2750_ssp_dev1, values[i]);
++ ssp_read_word(&hx2750_ssp_dev1, &ret);
++ }
++ }
++
++ GPSR0 = GPIO_bit(HX2750_GPIO_TSC2101_SS);
++}
++
++static int hx2750_tsc2101_pendown(void)
++{
++ if ((GPLR(HX2750_GPIO_PENDOWN) & GPIO_bit(HX2750_GPIO_PENDOWN)) == 0)
++ return 1;
++ return 0;
++}
++
++static struct tsc2101_platform_info hx2750_tsc2101_info = {
++ .send = hx2750_tsc2101_send,
++ .suspend = hx2750_ssp_suspend,
++ .resume = hx2750_ssp_resume,
++ .irq = HX2750_IRQ_GPIO_PENDOWN,
++ .pendown = hx2750_tsc2101_pendown,
++};
++
++struct platform_device tsc2101_device = {
++ .name = "tsc2101",
++ .dev = {
++ .platform_data = &hx2750_tsc2101_info,
++ //.parent = &corgissp_device.dev,
++ },
++ .id = -1,
++};
++
++
++/*
++ * MMC/SD Device
++ *
++ * The card detect interrupt isn't debounced so we delay it by 250ms
++ * to give the card a chance to fully insert/eject.
++ */
++static struct pxamci_platform_data hx2750_mci_platform_data;
++
++static int hx2750_mci_init(struct device *dev, irq_handler_t hx2750_detect_int, void *data)
++{
++ int err;
++
++ /*
++ * setup GPIO for PXA27x MMC controller
++ */
++ pxa_gpio_mode(GPIO32_MMCCLK_MD);
++ pxa_gpio_mode(GPIO112_MMCCMD_MD);
++ pxa_gpio_mode(GPIO92_MMCDAT0_MD);
++ pxa_gpio_mode(GPIO109_MMCDAT1_MD);
++ pxa_gpio_mode(GPIO110_MMCDAT2_MD);
++ pxa_gpio_mode(GPIO111_MMCDAT3_MD);
++ pxa_gpio_mode(HX2750_GPIO_SD_DETECT | GPIO_IN);
++ pxa_gpio_mode(HX2750_GPIO_SD_READONLY | GPIO_IN);
++
++ hx2750_mci_platform_data.detect_delay = msecs_to_jiffies(250);
++
++ err = request_irq(HX2750_IRQ_GPIO_SD_DETECT, hx2750_detect_int,
++ IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
++ "MMC card detect", data);
++ if (err) {
++ printk(KERN_ERR "hx2750_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
++ return -1;
++ }
++
++ return 0;
++}
++
++static void hx2750_mci_setpower(struct device *dev, unsigned int vdd)
++{
++ struct pxamci_platform_data* p_d = dev->platform_data;
++
++ if (( 1 << vdd) & p_d->ocr_mask)
++ hx2750_set_egpio(HX2750_EGPIO_SD_PWR);
++ else
++ hx2750_clear_egpio(HX2750_EGPIO_SD_PWR);
++}
++
++static void hx2750_mci_exit(struct device *dev, void *data)
++{
++ free_irq(HX2750_IRQ_GPIO_SD_DETECT, data);
++}
++
++static struct pxamci_platform_data hx2750_mci_platform_data = {
++ .ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
++ .init = hx2750_mci_init,
++ .setpower = hx2750_mci_setpower,
++ .exit = hx2750_mci_exit,
++};
++
++
++/*
++ * FrameBuffer
++ */
++static struct pxafb_mode_info hx2750_pxafb_modes = {
++ .pixclock = 288462,
++ .xres = 240,
++ .yres = 320,
++ .bpp = 16,
++ .hsync_len = 20,
++ .left_margin = 42,
++ .right_margin = 18,
++ .vsync_len = 4,
++ .upper_margin = 3,
++ .lower_margin = 4,
++ .sync = 0,
++};
++
++static struct pxafb_mach_info hx2750_pxafb_info = {
++ .modes = &hx2750_pxafb_modes,
++ .num_modes = 1,
++ .fixed_modes = 1,
++ .lccr0 = LCCR0_Color | LCCR0_Sngl | LCCR0_Act,
++ .lccr3 = LCCR3_PixFlEdg | LCCR3_OutEnH,
++ .pxafb_backlight_power = NULL,
++};
++
++
++/*
++ * Test Device
++ */
++static struct platform_device hx2750_test_device = {
++ .name = "hx2750-test",
++ .id = -1,
++};
++
++
++/* Initialization code */
++static struct platform_device *devices[] __initdata = {
++ &hx2750_bl_device,
++ &hx2750_test_device,
++ &hx2750_pxa_keys,
++ &tsc2101_device,
++};
++
++static void __init hx2750_init( void )
++{
++ PWER = 0xC0000003;// | PWER_RTC;
++ PFER = 0x00000003;
++ PRER = 0x00000003;
++
++ PGSR0=0x00000018;
++ PGSR1=0x00000380;
++ PGSR2=0x00800000;
++ PGSR3=0x00500400;
++
++ //PCFR |= PCFR_OPDE;
++ PCFR=0x77;
++ PSLR=0xff100000;
++ //PCFR=0x10; - does not return from suspend
++
++ //PCFR= 0x00004040;
++ //PSLR= 0xff400f04;
++
++ /* Setup Extra GPIO Bank access */
++ pxa_gpio_mode(HX2750_GPIO_GPIO_DIN | GPIO_OUT | GPIO_DFLT_HIGH);
++ pxa_gpio_mode(HX2750_GPIO_SR_CLK1 | GPIO_OUT | GPIO_DFLT_LOW);
++ pxa_gpio_mode(HX2750_GPIO_SR_CLK2 | GPIO_IN);
++ pxa_gpio_mode(HX2750_GPIO_SR_STROBE | GPIO_OUT | GPIO_DFLT_LOW);
++
++ /* Init Extra GPIOs - Bootloader reset default is 0x484 */
++ /* This is 0xe84 */
++ hx2750_set_egpio(HX2750_EGPIO_2 | HX2750_EGPIO_7 | HX2750_EGPIO_LCD_PWR | HX2750_EGPIO_BL_PWR | HX2750_EGPIO_WIFI_PWR);
++
++ pxa_set_udc_info(&hx2750_udc_mach_info);
++ pxa_set_mci_info(&hx2750_mci_platform_data);
++ set_pxa_fb_info(&hx2750_pxafb_info);
++ hx2750_ssp_init();
++ platform_add_devices (devices, ARRAY_SIZE (devices));
++}
++
++
++MACHINE_START(HX2750, "HP iPAQ HX2750")
++ .phys_io = 0x40000000,
++ .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
++ .boot_params = 0xa0000100,
++ .map_io = pxa_map_io,
++ .init_irq = pxa_init_irq,
++ .timer = &pxa_timer,
++ .init_machine = hx2750_init,
++MACHINE_END
++
+--- linux-2.6.24-rc1.orig/arch/arm/mach-pxa/pm.c
++++ linux-2.6.24-rc1/arch/arm/mach-pxa/pm.c
+@@ -17,6 +17,7 @@
+ #include <linux/time.h>
+
+ #include <asm/hardware.h>
++#include <asm/mach-types.h>
+ #include <asm/memory.h>
+ #include <asm/system.h>
+ #include <asm/arch/pm.h>
+@@ -91,6 +92,9 @@
+ .enter = pxa_pm_enter,
+ };
+
++unsigned long pxa_pm_pspr_value;
++extern void pxa_cpu_resume(void);
++
+ static int __init pxa_pm_init(void)
+ {
+ if (!pxa_cpu_pm_fns) {
+@@ -104,6 +108,7 @@
+ return -ENOMEM;
+ }
+
++ pxa_pm_pspr_value=virt_to_phys(pxa_cpu_resume);
+ suspend_set_ops(&pxa_pm_ops);
+ return 0;
+ }
+--- linux-2.6.24-rc1.orig/arch/arm/mach-pxa/pxa27x.c
++++ linux-2.6.24-rc1/arch/arm/mach-pxa/pxa27x.c
+@@ -259,6 +259,8 @@
+ RESTORE(PSTR);
+ }
+
++extern unsigned long pxa_pm_pspr_value;
++
+ void pxa27x_cpu_pm_enter(suspend_state_t state)
+ {
+ extern void pxa_cpu_standby(void);
+@@ -281,7 +283,7 @@
+ break;
+ case PM_SUSPEND_MEM:
+ /* set resume return address */
+- PSPR = virt_to_phys(pxa_cpu_resume);
++ PSPR = pxa_pm_pspr_value;
+ pxa27x_cpu_suspend(PWRMODE_SLEEP);
+ break;
+ }
+--- linux-2.6.24-rc1.orig/arch/arm/mach-pxa/pxa25x.c
++++ linux-2.6.24-rc1/arch/arm/mach-pxa/pxa25x.c
+@@ -200,6 +200,8 @@
+ RESTORE(PSTR);
+ }
+
++extern unsigned long pxa_pm_pspr_value;
++
+ static void pxa25x_cpu_pm_enter(suspend_state_t state)
+ {
+ CKEN = 0;
+@@ -207,7 +209,7 @@
+ switch (state) {
+ case PM_SUSPEND_MEM:
+ /* set resume return address */
+- PSPR = virt_to_phys(pxa_cpu_resume);
++ PSPR = pxa_pm_pspr_value;
+ pxa25x_cpu_suspend(PWRMODE_SLEEP);
+ break;
+ }
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