Menu
▾
▴
[Hackndev-commit] SF.net SVN: hackndev: [1234] linux4palm/linux/trunk/arch/arm/mach-pxa/ palmtx
|
From: <mar...@us...> - 2007-08-11 05:21:33
|
Revision: 1234
http://hackndev.svn.sourceforge.net/hackndev/?rev=1234&view=rev
Author: marex_z71
Date: 2007-08-10 22:21:30 -0700 (Fri, 10 Aug 2007)
Log Message:
-----------
PalmTX: cleanup, adding pcmcia driver skeleton (not working yet)
Modified Paths:
--------------
linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Kconfig
linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Makefile
linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx.c
Added Paths:
-----------
linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx_pcmcia.c
Removed Paths:
-------------
linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmld_ac97.c
linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx_lcd.c
Modified: linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Kconfig
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Kconfig 2007-08-11 02:00:54 UTC (rev 1233)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Kconfig 2007-08-11 05:21:30 UTC (rev 1234)
@@ -4,7 +4,7 @@
help
This enables support for Palm TX handheld.
-config PALMTX_DEBUG
+config PALMTX_DEBUG
bool "Debug output for Palm TX"
depends on MACH_XSCALE_PALMTX
default n
@@ -27,3 +27,9 @@
help
Enable support for suspend/resume the Palm TX PDA.
+config PALMTX_PCMCIA
+ tristate "Palm TX PCMCIA driver"
+ depends on MACH_XSCALE_PALMTX
+ help
+ This driver handles the CF/PCCARD/PCMCIA bus.
+
Modified: linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Makefile
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Makefile 2007-08-11 02:00:54 UTC (rev 1233)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/Makefile 2007-08-11 05:21:30 UTC (rev 1234)
@@ -4,5 +4,5 @@
#
obj-$(CONFIG_MACH_XSCALE_PALMTX) += palmtx.o
obj-$(CONFIG_PALMTX_BATTERY) += palmtx_battery.o
-obj-$(CONFIG_PM) += palmtx_pm.o
-#obj-$(CONFIG_PALMTX_PCMCIA) += palmtx_pcmcia.o
+obj-$(CONFIG_PALMTX_PM) += palmtx_pm.o
+obj-$(CONFIG_PALMTX_PCMCIA) += palmtx_pcmcia.o
Deleted: linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmld_ac97.c
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmld_ac97.c 2007-08-11 02:00:54 UTC (rev 1233)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmld_ac97.c 2007-08-11 05:21:30 UTC (rev 1234)
@@ -1,492 +0,0 @@
-/*
- * linux/arch/arm/mach-pxa/palmtx/palmld_ac97.c
- *
- * Touchscreen/battery driver for Palm TX' WM9712 AC97 codec
- *
- * Based on palmld_ac97.c code from Alex Osborne
- *
- */
-
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/moduleparam.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/input.h>
-#include <linux/device.h>
-#include <linux/workqueue.h>
-#include <linux/battery.h>
-#include <linux/irq.h>
-
-#include <asm/apm.h>
-#include <asm/delay.h>
-#include <asm/mach-types.h>
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/arch/hardware.h>
-#include <asm/arch/pxa-regs.h>
-#include <asm/arch/irqs.h>
-
-#include <sound/driver.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/initval.h>
-#include <sound/ac97_codec.h>
-#include <sound/wm9712.h>
-
-#include <asm/arch/palmtx-gpio.h>
-#include <asm/arch/palmtx-init.h>
-
-
-#define X_AXIS_MAX 3900
-#define X_AXIS_MIN 350
-#define Y_AXIS_MAX 3750
-#define Y_AXIS_MIN 320
-#define PRESSURE_MIN 0
-#define PRESSURE_MAX 150
-
-#define DIG2_INIT 0x0001 /* initial value for digitiser2 reg */
-
-#define DEFAULT_PRESSURE_TRESHOLD 45160 /* default pressure treshold for pen up/down */
-#define DEFAULT_X_AXIS_FUZZ 5 /* default x axis noise treshold */
-#define DEFAULT_Y_AXIS_FUZZ 35 /* default y axis noise treshold */
-#define PRESSURE_FUZZ 5 /* default pressure noise treshold */
-
-#define palmld_ac97_WORK_QUEUE_NAME "palmld_ac97_workqueue"
-
-/* module parameters */
-
-static int ptrsh = DEFAULT_PRESSURE_TRESHOLD;
-module_param(ptrsh, int, 0);
-MODULE_PARM_DESC(ptrsh, "pressure treshold for pen up/down");
-
-static int dbglvl = 0; // debug disabled
-module_param(dbglvl, int, 0);
-MODULE_PARM_DESC(dbglvl, "debug level (0 is disabled)");
-
-static int xdjtrsh = DEFAULT_X_AXIS_FUZZ;
-module_param(xdjtrsh, int, 0);
-MODULE_PARM_DESC(xdjtrsh, "treshold for x axis jitter");
-
-static int ydjtrsh = DEFAULT_Y_AXIS_FUZZ;
-module_param(ydjtrsh, int, 0);
-MODULE_PARM_DESC(ydjtrsh, "treshold for y axis jitter");
-
-
-static DECLARE_MUTEX_LOCKED(queue_sem);
-static DECLARE_MUTEX(digitiser_sem);
-static DECLARE_MUTEX(battery_update_mutex);
-
-static struct workqueue_struct *palmld_ac97_workqueue;
-static struct work_struct palmld_ac97_irq_task;
-
-struct input_dev *palmld_ac97_input;
-struct device *palmld_ac97_dev;
-
-static ac97_t *ac97;
-
-static int battery_registered = 0;
-static unsigned long last_battery_update = 0;
-static int current_voltage;
-static int previous_voltage;
-static u16 d2base;
-
-/*
- * ac97 codec
- */
-
-void wm97xx_gpio_func(int gpio, int func)
-{
- int GEn;
- GEn = ac97->bus->ops->read(ac97, 0x56);
- if(func)
- GEn |= gpio;
- else
- GEn &= ~gpio;
- ac97->bus->ops->write(ac97, 0x56, GEn);
-}
-
-
-void wm97xx_gpio_mode(int gpio, int config, int polarity, int sticky, int wakeup)
-{
- int GCn, GPn, GSn, GWn;
- GCn = ac97->bus->ops->read(ac97, 0x4c);
- GPn = ac97->bus->ops->read(ac97, 0x4e);
- GSn = ac97->bus->ops->read(ac97, 0x50);
- GWn = ac97->bus->ops->read(ac97, 0x52);
-
- if(config)
- GCn |= gpio;
- else
- GCn &= ~gpio;
-
- if(polarity)
- GPn |= gpio;
- else
- GPn &= ~gpio;
-
- if(sticky)
- GSn |= gpio;
- else
- GSn &= ~gpio;
-
- if(wakeup)
- GWn |= gpio;
- else
- GWn &= ~gpio;
-
- ac97->bus->ops->write(ac97, 0x4c, GCn);
- ac97->bus->ops->write(ac97, 0x4e, GPn);
- ac97->bus->ops->write(ac97, 0x50, GSn);
- ac97->bus->ops->write(ac97, 0x52, GWn);
-}
-
-
-static void wm97xx_set_digitiser_power(int value)
-{
- ac97->bus->ops->write(ac97, AC97_WM97XX_DIGITISER2, d2base | value);
-}
-
-
-/*
- * note: for the TX there's some code that gets enabled in linux/sound/pxa2xx-ac97.c
- * (ifdef CONFIG_MACH_PALMTX) that tries to implement some recommended procedure for
- * reading/writing reg 0x54 from a Intel's document
- * (PXA27x Specification Update: 28007109.pdf sec.: E54)
- */
-
-static int palmld_ac97_take_reading(int adcsel)
-{
- int timeout = 15;
- u16 r76 = 0;
- u16 r7a;
-
- r76 |= adcsel; /* set ADCSEL (ADC source) */
- r76 |= WM97XX_DELAY(3); /* set settling time delay */
- r76 &= ~(1<<11); /* COO = 0 (single measurement) */
- r76 &= ~(1<<10); /* CTC = 0 (polling mode) */
- r76 |= (1<<15); /* initiate measurement (POLL) */
-
- ac97->bus->ops->write(ac97, 0x76, r76);
-
- // wait settling time
- udelay ((3 * AC97_LINK_FRAME) + 167);
-
- /* wait for POLL to go low */
- while((ac97->bus->ops->read(ac97, 0x76) & 0x8000) && timeout){
- udelay(AC97_LINK_FRAME);
- timeout--;
- }
-
- if (timeout == 0){
- printk("palmld_ac97: discarding reading due to POLL wait timout on 0x76\n");
- return 0;
- }
-
- r7a = ac97->bus->ops->read(ac97, 0x7a);
-
- if ((r7a & WM97XX_ADCSEL_MASK) != adcsel){
- printk("palmld_ac97: discarding reading -> wrong ADC source\n");
- return 0;
- }
-
- return (int) r7a;
-}
-
-
-static void palmld_ac97_pendown(void)
-{
- int xread, yread, pressure;
- int valid_coords=0, btn_pressed = 0;
-
- /* take readings until the pen goes up */
- do {
- /* take readings */
- xread = palmld_ac97_take_reading(WM97XX_ADCSEL_X);
- yread = palmld_ac97_take_reading(WM97XX_ADCSEL_Y);
- pressure = palmld_ac97_take_reading(WM97XX_ADCSEL_PRES);
-
- valid_coords = (xread & 0xfff) && (yread & 0xfff) && (pressure & 0xfff);
-
- if(valid_coords && (pressure < ptrsh)) {
- btn_pressed = 1;
- input_report_key(palmld_ac97_input, BTN_TOUCH, 1);
- input_report_abs(palmld_ac97_input, ABS_X, xread & 0xfff);
- input_report_abs(palmld_ac97_input, ABS_Y, yread & 0xfff);
- input_report_abs(palmld_ac97_input, ABS_PRESSURE, pressure & 0xfff);
- input_sync(palmld_ac97_input);
-
- set_current_state(TASK_INTERRUPTIBLE);
- schedule_timeout(HZ/100);
- set_current_state(TASK_RUNNING);
- }
- } while( valid_coords );
-
-
- if (btn_pressed) {
- input_report_key(palmld_ac97_input, BTN_TOUCH, 0);
- input_report_abs(palmld_ac97_input, ABS_X, 0);
- input_report_abs(palmld_ac97_input, ABS_Y, 0);
- input_report_abs(palmld_ac97_input, ABS_PRESSURE, 0);
- input_sync(palmld_ac97_input);
- }
-
-}
-
-
-static void palmld_ac97_irq_work(void *data)
-{
- //struct device *dev = data;
- //ac97_t *ac97 = dev->platform_data;
- u16 levels;
- u16 polarity;
-
- levels = ac97->bus->ops->read(ac97, 0x54);
- polarity = ac97->bus->ops->read(ac97, 0x4e);
-
- if(polarity & levels & WM97XX_GPIO_13) {
- // power up digitiser:
- down(&digitiser_sem);
- wm97xx_set_digitiser_power(WM97XX_PRP_DET_DIG);
-
- palmld_ac97_pendown();
-
- /* power down digitiser to conserve power */
- wm97xx_set_digitiser_power(WM97XX_PRP_DET);
- ac97->bus->ops->write(ac97, 0x4e, polarity & ~WM97XX_GPIO_13);
- up(&digitiser_sem);
- }
- else {
- ac97->bus->ops->write(ac97, 0x4e, polarity | WM97XX_GPIO_13);
- }
-
- ac97->bus->ops->write(ac97, 0x54, levels & ~WM97XX_GPIO_13);
-
- udelay(1);
- up(&queue_sem);
- enable_irq(IRQ_GPIO_PALMTX_WM9712_IRQ);
-}
-
-
-static irqreturn_t palmld_ac97_irq_handler(int irq, void *dev_id, struct pt_regs *regs)
-{
- if (down_trylock(&queue_sem) == 0){
- disable_irq(IRQ_GPIO_PALMTX_WM9712_IRQ);
- queue_work(palmld_ac97_workqueue, &palmld_ac97_irq_task);
- }
-
- return IRQ_HANDLED;
-}
-
-/* battery */
-
-
-void palmld_battery_read_adc(int force)
-{
- u16 vread;
-
- if(!force && ((last_battery_update + 10 *HZ) > jiffies))
- return;
-
- if(down_trylock(&battery_update_mutex))
- return;
-
- down(&digitiser_sem);
- wm97xx_set_digitiser_power(WM97XX_PRP_DET_DIG);
- vread = palmld_ac97_take_reading(WM97XX_ADCSEL_BMON);
- wm97xx_set_digitiser_power(WM97XX_PRP_DET);
- up(&digitiser_sem);
-
- previous_voltage = current_voltage;
- current_voltage = vread & 0xfff;
- last_battery_update = jiffies;
-
- up(&battery_update_mutex);
-}
-
-
-int palmld_battery_min_voltage(struct battery *b)
-{
- return PALMTX_BAT_MIN_VOLTAGE;
-}
-
-
-int palmld_battery_max_voltage(struct battery *b)
-{
- return PALMTX_BAT_MAX_VOLTAGE; /* mV */
-}
-
-
-// let's suppose AVDD=+3.3v so battV = intV * 3 * 0.80586
-// note: 0.80586 = 3.3/4095
-int palmld_battery_get_voltage(struct battery *b)
-{
- if (battery_registered){
- palmld_battery_read_adc(0);
- return current_voltage * 3 * 80586 / 100000;
- }
- else{
- printk("palmld_battery: cannot get voltage -> battery driver unregistered\n");
- return 0;
- }
-}
-
-
-int palmld_battery_get_status(struct battery *b)
-{
- int ac_connected = GET_GPIO(GPIO_NR_PALMTX_POWER_DETECT);
- int usb_connected = !GET_GPIO(GPIO_NR_PALMTX_USB_DETECT);
-
- if (current_voltage <= 0)
- return BATTERY_STATUS_UNKNOWN;
-
- if (ac_connected || usb_connected){
- // TODO: ok maybe this is too stupid ... to be reviewed
- if ( ( current_voltage > previous_voltage ) || (current_voltage <= PALMTX_BAT_MAX_VOLTAGE) )
- return BATTERY_STATUS_CHARGING;
- return BATTERY_STATUS_NOT_CHARGING;
- }
- else
- return BATTERY_STATUS_DISCHARGING;
-}
-
-
-struct battery palmtx_battery = {
- .name = "palmtx-battery",
- .id = "battery0",
- .get_min_voltage = palmld_battery_min_voltage,
- .get_max_voltage = palmld_battery_max_voltage,
- .get_voltage = palmld_battery_get_voltage,
- .get_status = palmld_battery_get_status,
-};
-
-
-
-
-static int __init palmld_ac97_probe(struct device *dev)
-{
- int err;
- u16 d2 = DIG2_INIT; // init d1 too?
-
- if(!machine_is_xscale_palmtx())
- return -ENODEV;
-
- ac97 = to_ac97_t(dev);
-
- set_irq_type(IRQ_GPIO_PALMTX_WM9712_IRQ, IRQT_RISING);
-
- err = request_irq(IRQ_GPIO_PALMTX_WM9712_IRQ, palmld_ac97_irq_handler,
- SA_INTERRUPT, "WM9712 pendown IRQ", dev);
-
- if(err) {
- printk(KERN_ERR "palmld_ac97_probe: cannot request pen down IRQ\n");
- return -1;
- }
-
- /* reset levels */
- ac97->bus->ops->write(ac97, 0x54, 0);
-
- /* disable digitiser to save power, enable pen-down detect */
- d2 |= WM97XX_PRP_DET;
- d2base = d2;
- ac97->bus->ops->write(ac97, AC97_WM97XX_DIGITISER2, d2base);
-
- /* enable interrupts on codec's gpio 2 (connected to cpu gpio 27) */
- wm97xx_gpio_mode(WM97XX_GPIO_2, WM97XX_GPIO_OUT, WM97XX_GPIO_POL_HIGH,
- WM97XX_GPIO_NOTSTICKY, WM97XX_GPIO_NOWAKE);
- wm97xx_gpio_func(WM97XX_GPIO_2, 0);
-
- /* enable pen detect interrupt */
- wm97xx_gpio_mode(WM97XX_GPIO_13, WM97XX_GPIO_OUT, WM97XX_GPIO_POL_HIGH,
- WM97XX_GPIO_STICKY, WM97XX_GPIO_WAKE);
-
- /* turn off irq gpio inverting */
- ac97->bus->ops->write(ac97, 0x58, ac97->bus->ops->read(ac97, 0x58)&~1);
-
- /* turn on the digitiser and pen down detector */
- ac97->bus->ops->write(ac97, AC97_WM97XX_DIGITISER2, d2base | WM97XX_PRP_DETW);
-
- /* setup the input device */
- palmld_ac97_input = input_allocate_device();
- if (palmld_ac97_input == NULL){
- printk ("palmld_ac97_probe: cannot allocate input device\n");
- return -ENOMEM;
- }
-
- palmld_ac97_input->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS);
-
- palmld_ac97_input->keybit[LONG(BTN_TOUCH)] = BIT(BTN_TOUCH);
- input_set_abs_params(palmld_ac97_input, ABS_X, X_AXIS_MIN, X_AXIS_MAX, xdjtrsh, 0);
- input_set_abs_params(palmld_ac97_input, ABS_Y, Y_AXIS_MIN, Y_AXIS_MAX, ydjtrsh, 0);
- input_set_abs_params(palmld_ac97_input, ABS_PRESSURE, PRESSURE_MIN, PRESSURE_MAX, PRESSURE_FUZZ, 0);
-
- palmld_ac97_input->name = "palmtx touchscreen";
- palmld_ac97_input->dev = dev;
- palmld_ac97_input->id.bustype = BUS_HOST;
- input_register_device(palmld_ac97_input);
-
- /* register battery */
-
- if(battery_class_register(&palmtx_battery)) {
- printk(KERN_ERR "palmld_ac97_probe: could not register battery class\n");
- }
- else{
- battery_registered = 1;
- }
-
- /* setup work queue */
- palmld_ac97_workqueue = create_workqueue(palmld_ac97_WORK_QUEUE_NAME);
- INIT_WORK(&palmld_ac97_irq_task, palmld_ac97_irq_work);
-
- up(&queue_sem);
- return 0;
-}
-
-
-static int palmld_ac97_remove (struct device *dev)
-{
- // TODO: stop running tasks if any?
-
- battery_class_unregister(&palmtx_battery);
- ac97 = NULL;
- input_unregister_device(palmld_ac97_input);
- return 0;
-}
-
-
-static struct device_driver palmld_ac97_driver = {
- .name = "palmld_ac97 (WM9712)",
- .bus = &ac97_bus_type,
- .owner = THIS_MODULE,
- .probe = palmld_ac97_probe,
- .remove = palmld_ac97_remove,
-
-#ifdef CONFIG_PM
- .suspend = NULL,
- .resume = NULL,
-#endif
-};
-
-
-static int __init palmld_ac97_init(void)
-{
- if(!machine_is_xscale_palmtx())
- return -ENODEV;
-
- return driver_register(&palmld_ac97_driver);
-}
-
-
-static void __exit palmld_ac97_exit(void)
-{
- driver_unregister(&palmld_ac97_driver);
-}
-
-
-module_init(palmld_ac97_init);
-module_exit(palmld_ac97_exit);
-
-MODULE_AUTHOR ("Alex Osborne <bob...@gm...>");
-MODULE_DESCRIPTION ("WM9712 AC97 codec support for Palm TX");
-MODULE_LICENSE ("GPL");
Modified: linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx.c
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx.c 2007-08-11 02:00:54 UTC (rev 1233)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx.c 2007-08-11 05:21:30 UTC (rev 1234)
@@ -236,20 +236,14 @@
void bcm2035_bt_reset(int on)
{
printk(KERN_NOTICE "Switch BT reset %d\n", on);
- if (on)
- SET_PALMTX_GPIO( BT_RESET, 1 );
- else
- SET_PALMTX_GPIO( BT_RESET, 0 );
+ SET_PALMTX_GPIO( BT_RESET, on ? 1 : 0 );
}
EXPORT_SYMBOL(bcm2035_bt_reset);
void bcm2035_bt_power(int on)
{
- printk(KERN_NOTICE "Switch BT power %d\n", on);
- if (on)
- SET_PALMTX_GPIO( BT_POWER, 1 );
- else
- SET_PALMTX_GPIO( BT_POWER, 0 );
+ printk(KERN_NOTICE "Switch BT power %d\n", on ? 1 : 0);
+ SET_PALMTX_GPIO( BT_POWER, on ? 1 : 0 );
}
EXPORT_SYMBOL(bcm2035_bt_power);
@@ -314,8 +308,8 @@
static struct pxa2xx_udc_mach_info palmtx_udc_mach_info __initdata = {
- .udc_is_connected = palmtx_udc_is_connected,
- .udc_command = palmtx_udc_command,
+ .udc_is_connected = palmtx_udc_is_connected,
+ .udc_command = palmtx_udc_command,
};
@@ -334,9 +328,11 @@
};
static struct platform_device palmtx_ac97 = {
- .name = "pxa2xx-ac97",
- .id = -1,
- .dev = { .platform_data = &palmtx_audio_ops },
+ .name = "pxa2xx-ac97",
+ .id = -1,
+ .dev = {
+ .platform_data = &palmtx_audio_ops
+ },
};
/********************
@@ -348,7 +344,7 @@
.id = -1,
.dev = {
.platform_data = NULL,
- },
+ },
};
static struct platform_device *devices[] __initdata = {
@@ -395,19 +391,24 @@
static struct pxafb_mach_info palmtx_lcd_screen = {
.modes = palmtx_lcd_modes,
.num_modes = ARRAY_SIZE(palmtx_lcd_modes),
- .lccr0 = PALMTX_INIT_LCD_LLC0,
- .lccr3 = PALMTX_INIT_LCD_LLC3,
+ .lccr0 = PALMTX_INIT_LCD_LLC0,
+ .lccr3 = PALMTX_INIT_LCD_LLC3,
.pxafb_backlight_power = NULL,
};
static struct map_desc palmtx_io_desc[] __initdata = {
- // PCMCIA socket 0
{
- .virtual = 0xf1000000,
+ .virtual = 0xf0000000,
.pfn = __phys_to_pfn(0x20000000),
.length = 0x00100000,
.type = MT_DEVICE
},
+ {
+ .virtual = 0xf1000000,
+ .pfn = __phys_to_pfn(0x30000000),
+ .length = 0x00100000,
+ .type = MT_DEVICE
+ },
};
Deleted: linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx_lcd.c
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx_lcd.c 2007-08-11 02:00:54 UTC (rev 1233)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx_lcd.c 2007-08-11 05:21:30 UTC (rev 1234)
@@ -1,143 +0,0 @@
-/*
- * Palm TX LCD driver
- *
- * Based on Asus MyPal 716 LCD and Backlight driver
- *
- * 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/notifier.h>
-#include <linux/lcd.h>
-#include <linux/fb.h>
-#include <linux/delay.h>
-#include <linux/platform_device.h>
-
-#include <asm/mach/arch.h>
-#include <asm/mach/map.h>
-#include <asm/mach-types.h>
-
-#include <asm/hardware.h>
-#include <asm/arch/pxa-regs.h>
-#include <asm/arch/pxafb.h>
-
-#include <asm/arch/palmtx-gpio.h>
-#include <asm/arch/palmtx-init.h>
-
-static int lcd_power;
-
-int palmtx_lcd_set_power(struct lcd_device *lm, int level)
-{
- switch (level) {
- case FB_BLANK_UNBLANK:
- case FB_BLANK_NORMAL:
- // this is very likely incomplete !!!
- printk("palmtx_lcd: turning LCD on\n");
- SET_GPIO(GPIO_NR_PALMTX_LCD_POWER, 1);
- mdelay(70);
- break;
- case FB_BLANK_VSYNC_SUSPEND:
- case FB_BLANK_HSYNC_SUSPEND:
- break;
- case FB_BLANK_POWERDOWN:
- // this is very likely incomplete !!!
- printk("palmtx_lcd: turning LCD off\n");
- SET_GPIO(GPIO_NR_PALMTX_LCD_POWER, 0);
- mdelay(65);
- break;
- }
-
- lcd_power = level;
-
- return 0;
-}
-
-static int palmtx_lcd_get_power(struct lcd_device *lm)
-{
- printk("palmtx_lcd: power is set to %d", lcd_power);
- return lcd_power;
-}
-
-struct lcd_properties palmtx_lcd_properties =
-{
- .owner = THIS_MODULE,
- .set_power = palmtx_lcd_set_power,
- .get_power = palmtx_lcd_get_power,
-};
-
-static struct lcd_device *pxafb_lcd_device;
-
-
-int palmtx_lcd_probe(struct device *dev)
-{
- if (!machine_is_xscale_palmtx())
- return -ENODEV;
-
- pxafb_lcd_device = lcd_device_register("pxafb", NULL, &palmtx_lcd_properties);
-
- if (IS_ERR(pxafb_lcd_device)){
- printk("palmtx_lcd_probe: cannot register LCD device\n");
- return -ENOMEM;
- }
-
- printk ("palmtx LCD driver registered\n");
-
- return 0;
-}
-
-static int palmtx_lcd_remove(struct device *dev)
-{
- lcd_device_unregister(pxafb_lcd_device);
- printk ("palmtx LCD driver unregistered\n");
- return 0;
-}
-
-#ifdef CONFIG_PM
-
-static int palmtx_lcd_suspend(struct device *dev, pm_message_t state)
-{
- palmtx_lcd_set_power(pxafb_lcd_device, FB_BLANK_UNBLANK);
- return 0;
-}
-
-static int palmtx_lcd_resume(struct device *dev)
-{
- palmtx_lcd_set_power(pxafb_lcd_device, FB_BLANK_POWERDOWN);
- return 0;
-}
-#endif
-
-static struct device_driver palmtx_lcd_driver = {
- .name = "palmtx-lcd",
- .bus = &platform_bus_type,
- .probe = palmtx_lcd_probe,
- .remove = palmtx_lcd_remove,
-#ifdef CONFIG_PM
- .suspend = palmtx_lcd_suspend,
- .resume = palmtx_lcd_resume,
-#endif
-};
-
-static int palmtx_lcd_init(void)
-{
- if (!machine_is_xscale_palmtx())
- return -ENODEV;
-
- return driver_register(&palmtx_lcd_driver);
-}
-
-static void palmtx_lcd_exit(void)
-{
- lcd_device_unregister(pxafb_lcd_device);
- driver_unregister(&palmtx_lcd_driver);
-}
-
-module_init(palmtx_lcd_init);
-module_exit(palmtx_lcd_exit);
-
-MODULE_DESCRIPTION("LCD driver for Palm TX");
-MODULE_LICENSE("GPL");
Added: linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx_pcmcia.c
===================================================================
--- linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx_pcmcia.c (rev 0)
+++ linux4palm/linux/trunk/arch/arm/mach-pxa/palmtx/palmtx_pcmcia.c 2007-08-11 05:21:30 UTC (rev 1234)
@@ -0,0 +1,162 @@
+/*
+
+ Driver for Palm T|X PCMCIA
+
+ (C) 2007 by Marek Vasut <mar...@gm...>
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; see the file COPYING. If not, write to
+ the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
+ Boston, MA 02110-1301, USA.
+
+*/
+
+#include <linux/module.h>
+#include <linux/kernel.h>
+#include <linux/errno.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/delay.h>
+#include <linux/irq.h>
+
+#include <asm/mach-types.h>
+#include <asm/hardware.h>
+#include <../drivers/pcmcia/soc_common.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/palmtx-gpio.h>
+#include <asm/irq.h>
+
+#define DRV_NAME "palmtx_pcmcia"
+
+/* Debuging macro */
+#define PALMTX_PCMCIA_DEBUG
+
+#ifdef PALMTX_PCMCIA_DEBUG
+#define palmtx_pcmcia_dbg(format, args...) \
+ printk(KERN_INFO DRV_NAME": " format, ## args)
+#else
+#define palmtx_pcmcia_dbg(format, args...) do {} while (0)
+#endif
+
+/* GPIO defines */
+#define PALMTX_PCMCIA_IRQ 116
+#define PALMTX_PCMCIA_POWER 94
+#define PALMTX_PCMCIA_RESET 108
+/* other possible GPIOs - 46 and 70 ? */
+
+static int palmtx_pcmcia_hw_init (struct soc_pcmcia_socket *skt)
+{
+ set_irq_type(PALMTX_PCMCIA_IRQ, IRQT_FALLING);
+ skt->irq = IRQ_GPIO(PALMTX_PCMCIA_IRQ);
+
+ palmtx_pcmcia_dbg("%s:%i, Socket:%d\n", __FUNCTION__, __LINE__, skt->nr);
+ return 0;
+}
+
+static void palmtx_pcmcia_hw_shutdown (struct soc_pcmcia_socket *skt)
+{
+ palmtx_pcmcia_dbg("%s:%i\n", __FUNCTION__, __LINE__);
+}
+
+
+static void
+palmtx_pcmcia_socket_state (struct soc_pcmcia_socket *skt, struct pcmcia_state *state)
+{
+ state->detect = 1; /* always inserted */
+ state->ready = GET_GPIO(PALMTX_PCMCIA_IRQ) ? 1 : 0;
+ state->bvd1 = 1;
+ state->bvd2 = 1;
+ state->wrprot = 1;
+ state->vs_3v = 1;
+ state->vs_Xv = 0;
+}
+
+static int
+palmtx_pcmcia_configure_socket (struct soc_pcmcia_socket *skt, const socket_state_t *state)
+{
+ palmtx_pcmcia_dbg("%s:%i Reset:%d Vcc:%d\n", __FUNCTION__, __LINE__,
+ (state->flags & SS_RESET) ? 1 : 0, state->Vcc);
+
+ SET_GPIO(PALMTX_PCMCIA_POWER, 1);
+ SET_GPIO(PALMTX_PCMCIA_RESET, (state->flags & SS_RESET) ? 1 : 0);
+
+ return 0;
+}
+
+static void palmtx_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
+{
+ palmtx_pcmcia_dbg("%s:%i\n", __FUNCTION__, __LINE__);
+}
+
+static void palmtx_pcmcia_socket_suspend (struct soc_pcmcia_socket *skt)
+{
+ palmtx_pcmcia_dbg("%s:%i\n", __FUNCTION__, __LINE__);
+}
+
+static struct pcmcia_low_level palmtx_pcmcia_ops = {
+ .owner = THIS_MODULE,
+
+ .first = 0,
+ .nr = 2,
+
+ .hw_init = palmtx_pcmcia_hw_init,
+ .hw_shutdown = palmtx_pcmcia_hw_shutdown,
+
+ .socket_state = palmtx_pcmcia_socket_state,
+ .configure_socket = palmtx_pcmcia_configure_socket,
+
+ .socket_init = palmtx_pcmcia_socket_init,
+ .socket_suspend = palmtx_pcmcia_socket_suspend,
+};
+
+
+static void palmtx_pcmcia_release (struct device * dev)
+{
+ palmtx_pcmcia_dbg("%s:%i\n", __FUNCTION__, __LINE__);
+}
+
+
+static struct platform_device palmtx_pcmcia_device = {
+ .name = "pxa2xx-pcmcia",
+ .id = 0,
+ .dev = {
+ .platform_data = &palmtx_pcmcia_ops,
+ .release = palmtx_pcmcia_release
+ }
+};
+
+static int __init palmtx_pcmcia_init(void)
+{
+ palmtx_pcmcia_dbg("%s:%i\n", __FUNCTION__, __LINE__);
+
+ if(!machine_is_xscale_palmtx())
+ return -ENODEV;
+
+ return platform_device_register (&palmtx_pcmcia_device);
+}
+
+static void __exit palmtx_pcmcia_exit(void)
+{
+ palmtx_pcmcia_dbg("%s:%i\n", __FUNCTION__, __LINE__);
+
+ platform_device_unregister (&palmtx_pcmcia_device);
+}
+
+module_init(palmtx_pcmcia_init);
+module_exit(palmtx_pcmcia_exit);
+
+MODULE_AUTHOR ("Marek Vasut <mar...@gm...>");
+MODULE_DESCRIPTION ("PCMCIA support for Palm T|X");
+MODULE_LICENSE ("GPL");
This was sent by the SourceForge.net collaborative development platform, the world's largest Open Source development site.
|
