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-rw-r--r--drivers/input/touchscreen/Kconfig1
-rw-r--r--drivers/input/touchscreen/ucb1400_ts.c382
-rw-r--r--drivers/mfd/Kconfig9
-rw-r--r--drivers/mfd/Makefile1
-rw-r--r--drivers/mfd/ucb1400_core.c106
-rw-r--r--drivers/pcmcia/Makefile3
-rw-r--r--drivers/pcmcia/pxa2xx_palmld.c151
-rw-r--r--drivers/power/Kconfig8
-rw-r--r--drivers/power/Makefile2
-rw-r--r--drivers/power/palmtx_battery.c198
-rw-r--r--drivers/power/wm97xx_battery.c272
11 files changed, 681 insertions, 452 deletions
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index 25287e80e23..6e1e8c624f9 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -220,6 +220,7 @@ config TOUCHSCREEN_ATMEL_TSADCC
config TOUCHSCREEN_UCB1400
tristate "Philips UCB1400 touchscreen"
select AC97_BUS
+ depends on UCB1400_CORE
help
This enables support for the Philips UCB1400 touchscreen interface.
The UCB1400 is an AC97 audio codec. The touchscreen interface
diff --git a/drivers/input/touchscreen/ucb1400_ts.c b/drivers/input/touchscreen/ucb1400_ts.c
index bce018e45bc..54986627def 100644
--- a/drivers/input/touchscreen/ucb1400_ts.c
+++ b/drivers/input/touchscreen/ucb1400_ts.c
@@ -5,6 +5,10 @@
* Created: September 25, 2006
* Copyright: MontaVista Software, Inc.
*
+ * Spliting done by: Marek Vasut <marek.vasut@gmail.com>
+ * If something doesnt work and it worked before spliting, e-mail me,
+ * dont bother Nicolas please ;-)
+ *
* 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.
@@ -25,124 +29,16 @@
#include <linux/slab.h>
#include <linux/kthread.h>
#include <linux/freezer.h>
-
-#include <sound/core.h>
-#include <sound/ac97_codec.h>
-
-
-/*
- * Interesting UCB1400 AC-link registers
- */
-
-#define UCB_IE_RIS 0x5e
-#define UCB_IE_FAL 0x60
-#define UCB_IE_STATUS 0x62
-#define UCB_IE_CLEAR 0x62
-#define UCB_IE_ADC (1 << 11)
-#define UCB_IE_TSPX (1 << 12)
-
-#define UCB_TS_CR 0x64
-#define UCB_TS_CR_TSMX_POW (1 << 0)
-#define UCB_TS_CR_TSPX_POW (1 << 1)
-#define UCB_TS_CR_TSMY_POW (1 << 2)
-#define UCB_TS_CR_TSPY_POW (1 << 3)
-#define UCB_TS_CR_TSMX_GND (1 << 4)
-#define UCB_TS_CR_TSPX_GND (1 << 5)
-#define UCB_TS_CR_TSMY_GND (1 << 6)
-#define UCB_TS_CR_TSPY_GND (1 << 7)
-#define UCB_TS_CR_MODE_INT (0 << 8)
-#define UCB_TS_CR_MODE_PRES (1 << 8)
-#define UCB_TS_CR_MODE_POS (2 << 8)
-#define UCB_TS_CR_BIAS_ENA (1 << 11)
-#define UCB_TS_CR_TSPX_LOW (1 << 12)
-#define UCB_TS_CR_TSMX_LOW (1 << 13)
-
-#define UCB_ADC_CR 0x66
-#define UCB_ADC_SYNC_ENA (1 << 0)
-#define UCB_ADC_VREFBYP_CON (1 << 1)
-#define UCB_ADC_INP_TSPX (0 << 2)
-#define UCB_ADC_INP_TSMX (1 << 2)
-#define UCB_ADC_INP_TSPY (2 << 2)
-#define UCB_ADC_INP_TSMY (3 << 2)
-#define UCB_ADC_INP_AD0 (4 << 2)
-#define UCB_ADC_INP_AD1 (5 << 2)
-#define UCB_ADC_INP_AD2 (6 << 2)
-#define UCB_ADC_INP_AD3 (7 << 2)
-#define UCB_ADC_EXT_REF (1 << 5)
-#define UCB_ADC_START (1 << 7)
-#define UCB_ADC_ENA (1 << 15)
-
-#define UCB_ADC_DATA 0x68
-#define UCB_ADC_DAT_VALID (1 << 15)
-#define UCB_ADC_DAT_VALUE(x) ((x) & 0x3ff)
-
-#define UCB_ID 0x7e
-#define UCB_ID_1400 0x4304
-
-
-struct ucb1400 {
- struct snd_ac97 *ac97;
- struct input_dev *ts_idev;
-
- int irq;
-
- wait_queue_head_t ts_wait;
- struct task_struct *ts_task;
-
- unsigned int irq_pending; /* not bit field shared */
- unsigned int ts_restart:1;
- unsigned int adcsync:1;
-};
+#include <linux/ucb1400.h>
static int adcsync;
static int ts_delay = 55; /* us */
static int ts_delay_pressure; /* us */
-static inline u16 ucb1400_reg_read(struct ucb1400 *ucb, u16 reg)
-{
- return ucb->ac97->bus->ops->read(ucb->ac97, reg);
-}
-
-static inline void ucb1400_reg_write(struct ucb1400 *ucb, u16 reg, u16 val)
-{
- ucb->ac97->bus->ops->write(ucb->ac97, reg, val);
-}
-
-static inline void ucb1400_adc_enable(struct ucb1400 *ucb)
-{
- ucb1400_reg_write(ucb, UCB_ADC_CR, UCB_ADC_ENA);
-}
-
-static unsigned int ucb1400_adc_read(struct ucb1400 *ucb, u16 adc_channel)
-{
- unsigned int val;
-
- if (ucb->adcsync)
- adc_channel |= UCB_ADC_SYNC_ENA;
-
- ucb1400_reg_write(ucb, UCB_ADC_CR, UCB_ADC_ENA | adc_channel);
- ucb1400_reg_write(ucb, UCB_ADC_CR, UCB_ADC_ENA | adc_channel | UCB_ADC_START);
-
- for (;;) {
- val = ucb1400_reg_read(ucb, UCB_ADC_DATA);
- if (val & UCB_ADC_DAT_VALID)
- break;
- /* yield to other processes */
- schedule_timeout_uninterruptible(1);
- }
-
- return UCB_ADC_DAT_VALUE(val);
-}
-
-static inline void ucb1400_adc_disable(struct ucb1400 *ucb)
-{
- ucb1400_reg_write(ucb, UCB_ADC_CR, 0);
-}
-
/* Switch to interrupt mode. */
-static inline void ucb1400_ts_mode_int(struct ucb1400 *ucb)
+static inline void ucb1400_ts_mode_int(struct snd_ac97 *ac97)
{
- ucb1400_reg_write(ucb, UCB_TS_CR,
+ ucb1400_reg_write(ac97, UCB_TS_CR,
UCB_TS_CR_TSMX_POW | UCB_TS_CR_TSPX_POW |
UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_GND |
UCB_TS_CR_MODE_INT);
@@ -152,14 +48,14 @@ static inline void ucb1400_ts_mode_int(struct ucb1400 *ucb)
* Switch to pressure mode, and read pressure. We don't need to wait
* here, since both plates are being driven.
*/
-static inline unsigned int ucb1400_ts_read_pressure(struct ucb1400 *ucb)
+static inline unsigned int ucb1400_ts_read_pressure(struct ucb1400_ts *ucb)
{
- ucb1400_reg_write(ucb, UCB_TS_CR,
+ ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
UCB_TS_CR_TSMX_POW | UCB_TS_CR_TSPX_POW |
UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_GND |
UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA);
udelay(ts_delay_pressure);
- return ucb1400_adc_read(ucb, UCB_ADC_INP_TSPY);
+ return ucb1400_adc_read(ucb->ac97, UCB_ADC_INP_TSPY, adcsync);
}
/*
@@ -168,21 +64,21 @@ static inline unsigned int ucb1400_ts_read_pressure(struct ucb1400 *ucb)
* gives a faster response time. Even so, we need to wait about 55us
* for things to stabilise.
*/
-static inline unsigned int ucb1400_ts_read_xpos(struct ucb1400 *ucb)
+static inline unsigned int ucb1400_ts_read_xpos(struct ucb1400_ts *ucb)
{
- ucb1400_reg_write(ucb, UCB_TS_CR,
+ ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
UCB_TS_CR_TSMX_GND | UCB_TS_CR_TSPX_POW |
UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA);
- ucb1400_reg_write(ucb, UCB_TS_CR,
+ ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
UCB_TS_CR_TSMX_GND | UCB_TS_CR_TSPX_POW |
UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA);
- ucb1400_reg_write(ucb, UCB_TS_CR,
+ ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
UCB_TS_CR_TSMX_GND | UCB_TS_CR_TSPX_POW |
UCB_TS_CR_MODE_POS | UCB_TS_CR_BIAS_ENA);
udelay(ts_delay);
- return ucb1400_adc_read(ucb, UCB_ADC_INP_TSPY);
+ return ucb1400_adc_read(ucb->ac97, UCB_ADC_INP_TSPY, adcsync);
}
/*
@@ -191,63 +87,63 @@ static inline unsigned int ucb1400_ts_read_xpos(struct ucb1400 *ucb)
* gives a faster response time. Even so, we need to wait about 55us
* for things to stabilise.
*/
-static inline unsigned int ucb1400_ts_read_ypos(struct ucb1400 *ucb)
+static inline unsigned int ucb1400_ts_read_ypos(struct ucb1400_ts *ucb)
{
- ucb1400_reg_write(ucb, UCB_TS_CR,
+ ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_POW |
UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA);
- ucb1400_reg_write(ucb, UCB_TS_CR,
+ ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_POW |
UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA);
- ucb1400_reg_write(ucb, UCB_TS_CR,
+ ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_POW |
UCB_TS_CR_MODE_POS | UCB_TS_CR_BIAS_ENA);
udelay(ts_delay);
- return ucb1400_adc_read(ucb, UCB_ADC_INP_TSPX);
+ return ucb1400_adc_read(ucb->ac97, UCB_ADC_INP_TSPX, adcsync);
}
/*
* Switch to X plate resistance mode. Set MX to ground, PX to
* supply. Measure current.
*/
-static inline unsigned int ucb1400_ts_read_xres(struct ucb1400 *ucb)
+static inline unsigned int ucb1400_ts_read_xres(struct ucb1400_ts *ucb)
{
- ucb1400_reg_write(ucb, UCB_TS_CR,
+ ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
UCB_TS_CR_TSMX_GND | UCB_TS_CR_TSPX_POW |
UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA);
- return ucb1400_adc_read(ucb, 0);
+ return ucb1400_adc_read(ucb->ac97, 0, adcsync);
}
/*
* Switch to Y plate resistance mode. Set MY to ground, PY to
* supply. Measure current.
*/
-static inline unsigned int ucb1400_ts_read_yres(struct ucb1400 *ucb)
+static inline unsigned int ucb1400_ts_read_yres(struct ucb1400_ts *ucb)
{
- ucb1400_reg_write(ucb, UCB_TS_CR,
+ ucb1400_reg_write(ucb->ac97, UCB_TS_CR,
UCB_TS_CR_TSMY_GND | UCB_TS_CR_TSPY_POW |
UCB_TS_CR_MODE_PRES | UCB_TS_CR_BIAS_ENA);
- return ucb1400_adc_read(ucb, 0);
+ return ucb1400_adc_read(ucb->ac97, 0, adcsync);
}
-static inline int ucb1400_ts_pen_down(struct ucb1400 *ucb)
+static inline int ucb1400_ts_pen_down(struct snd_ac97 *ac97)
{
- unsigned short val = ucb1400_reg_read(ucb, UCB_TS_CR);
- return (val & (UCB_TS_CR_TSPX_LOW | UCB_TS_CR_TSMX_LOW));
+ unsigned short val = ucb1400_reg_read(ac97, UCB_TS_CR);
+ return val & (UCB_TS_CR_TSPX_LOW | UCB_TS_CR_TSMX_LOW);
}
-static inline void ucb1400_ts_irq_enable(struct ucb1400 *ucb)
+static inline void ucb1400_ts_irq_enable(struct snd_ac97 *ac97)
{
- ucb1400_reg_write(ucb, UCB_IE_CLEAR, UCB_IE_TSPX);
- ucb1400_reg_write(ucb, UCB_IE_CLEAR, 0);
- ucb1400_reg_write(ucb, UCB_IE_FAL, UCB_IE_TSPX);
+ ucb1400_reg_write(ac97, UCB_IE_CLEAR, UCB_IE_TSPX);
+ ucb1400_reg_write(ac97, UCB_IE_CLEAR, 0);
+ ucb1400_reg_write(ac97, UCB_IE_FAL, UCB_IE_TSPX);
}
-static inline void ucb1400_ts_irq_disable(struct ucb1400 *ucb)
+static inline void ucb1400_ts_irq_disable(struct snd_ac97 *ac97)
{
- ucb1400_reg_write(ucb, UCB_IE_FAL, 0);
+ ucb1400_reg_write(ac97, UCB_IE_FAL, 0);
}
static void ucb1400_ts_evt_add(struct input_dev *idev, u16 pressure, u16 x, u16 y)
@@ -264,25 +160,24 @@ static void ucb1400_ts_event_release(struct input_dev *idev)
input_sync(idev);
}
-static void ucb1400_handle_pending_irq(struct ucb1400 *ucb)
+static void ucb1400_handle_pending_irq(struct ucb1400_ts *ucb)
{
unsigned int isr;
- isr = ucb1400_reg_read(ucb, UCB_IE_STATUS);
- ucb1400_reg_write(ucb, UCB_IE_CLEAR, isr);
- ucb1400_reg_write(ucb, UCB_IE_CLEAR, 0);
+ isr = ucb1400_reg_read(ucb->ac97, UCB_IE_STATUS);
+ ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, isr);
+ ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, 0);
- if (isr & UCB_IE_TSPX)
- ucb1400_ts_irq_disable(ucb);
- else
+ if (isr & UCB_IE_TSPX) {
+ ucb1400_ts_irq_disable(ucb->ac97);
+ enable_irq(ucb->irq);
+ } else
printk(KERN_ERR "ucb1400: unexpected IE_STATUS = %#x\n", isr);
-
- enable_irq(ucb->irq);
}
static int ucb1400_ts_thread(void *_ucb)
{
- struct ucb1400 *ucb = _ucb;
+ struct ucb1400_ts *ucb = _ucb;
struct task_struct *tsk = current;
int valid = 0;
struct sched_param param = { .sched_priority = 1 };
@@ -301,19 +196,19 @@ static int ucb1400_ts_thread(void *_ucb)
ucb1400_handle_pending_irq(ucb);
}
- ucb1400_adc_enable(ucb);
+ ucb1400_adc_enable(ucb->ac97);
x = ucb1400_ts_read_xpos(ucb);
y = ucb1400_ts_read_ypos(ucb);
p = ucb1400_ts_read_pressure(ucb);
- ucb1400_adc_disable(ucb);
+ ucb1400_adc_disable(ucb->ac97);
/* Switch back to interrupt mode. */
- ucb1400_ts_mode_int(ucb);
+ ucb1400_ts_mode_int(ucb->ac97);
msleep(10);
- if (ucb1400_ts_pen_down(ucb)) {
- ucb1400_ts_irq_enable(ucb);
+ if (ucb1400_ts_pen_down(ucb->ac97)) {
+ ucb1400_ts_irq_enable(ucb->ac97);
/*
* If we spat out a valid sample set last time,
@@ -332,8 +227,8 @@ static int ucb1400_ts_thread(void *_ucb)
}
wait_event_freezable_timeout(ucb->ts_wait,
- ucb->irq_pending || ucb->ts_restart || kthread_should_stop(),
- timeout);
+ ucb->irq_pending || ucb->ts_restart ||
+ kthread_should_stop(), timeout);
}
/* Send the "pen off" if we are stopping with the pen still active */
@@ -356,7 +251,7 @@ static int ucb1400_ts_thread(void *_ucb)
*/
static irqreturn_t ucb1400_hard_irq(int irqnr, void *devid)
{
- struct ucb1400 *ucb = devid;
+ struct ucb1400_ts *ucb = devid;
if (irqnr == ucb->irq) {
disable_irq(ucb->irq);
@@ -369,7 +264,7 @@ static irqreturn_t ucb1400_hard_irq(int irqnr, void *devid)
static int ucb1400_ts_open(struct input_dev *idev)
{
- struct ucb1400 *ucb = input_get_drvdata(idev);
+ struct ucb1400_ts *ucb = input_get_drvdata(idev);
int ret = 0;
BUG_ON(ucb->ts_task);
@@ -385,34 +280,14 @@ static int ucb1400_ts_open(struct input_dev *idev)
static void ucb1400_ts_close(struct input_dev *idev)
{
- struct ucb1400 *ucb = input_get_drvdata(idev);
+ struct ucb1400_ts *ucb = input_get_drvdata(idev);
if (ucb->ts_task)
kthread_stop(ucb->ts_task);
- ucb1400_ts_irq_disable(ucb);
- ucb1400_reg_write(ucb, UCB_TS_CR, 0);
-}
-
-#ifdef CONFIG_PM
-static int ucb1400_ts_resume(struct device *dev)
-{
- struct ucb1400 *ucb = dev_get_drvdata(dev);
-
- if (ucb->ts_task) {
- /*
- * Restart the TS thread to ensure the
- * TS interrupt mode is set up again
- * after sleep.
- */
- ucb->ts_restart = 1;
- wake_up(&ucb->ts_wait);
- }
- return 0;
+ ucb1400_ts_irq_disable(ucb->ac97);
+ ucb1400_reg_write(ucb->ac97, UCB_TS_CR, 0);
}
-#else
-#define ucb1400_ts_resume NULL
-#endif
#ifndef NO_IRQ
#define NO_IRQ 0
@@ -422,25 +297,26 @@ static int ucb1400_ts_resume(struct device *dev)
* Try to probe our interrupt, rather than relying on lots of
* hard-coded machine dependencies.
*/
-static int ucb1400_detect_irq(struct ucb1400 *ucb)
+static int ucb1400_ts_detect_irq(struct ucb1400_ts *ucb)
{
unsigned long mask, timeout;
mask = probe_irq_on();
/* Enable the ADC interrupt. */
- ucb1400_reg_write(ucb, UCB_IE_RIS, UCB_IE_ADC);
- ucb1400_reg_write(ucb, UCB_IE_FAL, UCB_IE_ADC);
- ucb1400_reg_write(ucb, UCB_IE_CLEAR, 0xffff);
- ucb1400_reg_write(ucb, UCB_IE_CLEAR, 0);
+ ucb1400_reg_write(ucb->ac97, UCB_IE_RIS, UCB_IE_ADC);
+ ucb1400_reg_write(ucb->ac97, UCB_IE_FAL, UCB_IE_ADC);
+ ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, 0xffff);
+ ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, 0);
/* Cause an ADC interrupt. */
- ucb1400_reg_write(ucb, UCB_ADC_CR, UCB_ADC_ENA);
- ucb1400_reg_write(ucb, UCB_ADC_CR, UCB_ADC_ENA | UCB_ADC_START);
+ ucb1400_reg_write(ucb->ac97, UCB_ADC_CR, UCB_ADC_ENA);
+ ucb1400_reg_write(ucb->ac97, UCB_ADC_CR, UCB_ADC_ENA | UCB_ADC_START);
/* Wait for the conversion to complete. */
timeout = jiffies + HZ/2;
- while (!(ucb1400_reg_read(ucb, UCB_ADC_DATA) & UCB_ADC_DAT_VALID)) {
+ while (!(ucb1400_reg_read(ucb->ac97, UCB_ADC_DATA) &
+ UCB_ADC_DAT_VALID)) {
cpu_relax();
if (time_after(jiffies, timeout)) {
printk(KERN_ERR "ucb1400: timed out in IRQ probe\n");
@@ -448,13 +324,13 @@ static int ucb1400_detect_irq(struct ucb1400 *ucb)
return -ENODEV;
}
}
- ucb1400_reg_write(ucb, UCB_ADC_CR, 0);
+ ucb1400_reg_write(ucb->ac97, UCB_ADC_CR, 0);
/* Disable and clear interrupt. */
- ucb1400_reg_write(ucb, UCB_IE_RIS, 0);
- ucb1400_reg_write(ucb, UCB_IE_FAL, 0);
- ucb1400_reg_write(ucb, UCB_IE_CLEAR, 0xffff);
- ucb1400_reg_write(ucb, UCB_IE_CLEAR, 0);
+ ucb1400_reg_write(ucb->ac97, UCB_IE_RIS, 0);
+ ucb1400_reg_write(ucb->ac97, UCB_IE_FAL, 0);
+ ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, 0xffff);
+ ucb1400_reg_write(ucb->ac97, UCB_IE_CLEAR, 0);
/* Read triggered interrupt. */
ucb->irq = probe_irq_off(mask);
@@ -464,36 +340,25 @@ static int ucb1400_detect_irq(struct ucb1400 *ucb)
return 0;
}
-static int ucb1400_ts_probe(struct device *dev)
+static int ucb1400_ts_probe(struct platform_device *dev)
{
- struct ucb1400 *ucb;
- struct input_dev *idev;
- int error, id, x_res, y_res;
+ int error, x_res, y_res;
+ struct ucb1400_ts *ucb = dev->dev.platform_data;
- ucb = kzalloc(sizeof(struct ucb1400), GFP_KERNEL);
- idev = input_allocate_device();
- if (!ucb || !idev) {
+ ucb->ts_idev = input_allocate_device();
+ if (!ucb->ts_idev) {
error = -ENOMEM;
- goto err_free_devs;
+ goto err;
}
- ucb->ts_idev = idev;
- ucb->adcsync = adcsync;
- ucb->ac97 = to_ac97_t(dev);
- init_waitqueue_head(&ucb->ts_wait);
-
- id = ucb1400_reg_read(ucb, UCB_ID);
- if (id != UCB_ID_1400) {
- error = -ENODEV;
- goto err_free_devs;
- }
-
- error = ucb1400_detect_irq(ucb);
+ error = ucb1400_ts_detect_irq(ucb);
if (error) {
printk(KERN_ERR "UCB1400: IRQ probe failed\n");
goto err_free_devs;
}
+ init_waitqueue_head(&ucb->ts_wait);
+
error = request_irq(ucb->irq, ucb1400_hard_irq, IRQF_TRIGGER_RISING,
"UCB1400", ucb);
if (error) {
@@ -503,80 +368,101 @@ static int ucb1400_ts_probe(struct device *dev)
}
printk(KERN_DEBUG "UCB1400: found IRQ %d\n", ucb->irq);
- input_set_drvdata(idev, ucb);
+ input_set_drvdata(ucb->ts_idev, ucb);
- idev->dev.parent = dev;
- idev->name = "UCB1400 touchscreen interface";
- idev->id.vendor = ucb1400_reg_read(ucb, AC97_VENDOR_ID1);
- idev->id.product = id;
- idev->open = ucb1400_ts_open;
- idev->close = ucb1400_ts_close;
- idev->evbit[0] = BIT_MASK(EV_ABS);
+ ucb->ts_idev->dev.parent = &dev->dev;
+ ucb->ts_idev->name = "UCB1400 touchscreen interface";
+ ucb->ts_idev->id.vendor = ucb1400_reg_read(ucb->ac97,
+ AC97_VENDOR_ID1);
+ ucb->ts_idev->id.product = ucb->id;
+ ucb->ts_idev->open = ucb1400_ts_open;
+ ucb->ts_idev->close = ucb1400_ts_close;
+ ucb->ts_idev->evbit[0] = BIT_MASK(EV_ABS);
- ucb1400_adc_enable(ucb);
+ ucb1400_adc_enable(ucb->ac97);
x_res = ucb1400_ts_read_xres(ucb);
y_res = ucb1400_ts_read_yres(ucb);
- ucb1400_adc_disable(ucb);
+ ucb1400_adc_disable(ucb->ac97);
printk(KERN_DEBUG "UCB1400: x/y = %d/%d\n", x_res, y_res);
- input_set_abs_params(idev, ABS_X, 0, x_res, 0, 0);
- input_set_abs_params(idev, ABS_Y, 0, y_res, 0, 0);
- input_set_abs_params(idev, ABS_PRESSURE, 0, 0, 0, 0);
+ input_set_abs_params(ucb->ts_idev, ABS_X, 0, x_res, 0, 0);
+ input_set_abs_params(ucb->ts_idev, ABS_Y, 0, y_res, 0, 0);
+ input_set_abs_params(ucb->ts_idev, ABS_PRESSURE, 0, 0, 0, 0);
- error = input_register_device(idev);
+ error = input_register_device(ucb->ts_idev);
if (error)
goto err_free_irq;
- dev_set_drvdata(dev, ucb);
return 0;
- err_free_irq:
+err_free_irq:
free_irq(ucb->irq, ucb);
- err_free_devs:
- input_free_device(idev);
- kfree(ucb);
+err_free_devs:
+ input_free_device(ucb->ts_idev);
+err:
return error;
+
}
-static int ucb1400_ts_remove(struct device *dev)
+static int ucb1400_ts_remove(struct platform_device *dev)
{
- struct ucb1400 *ucb = dev_get_drvdata(dev);
+ struct ucb1400_ts *ucb = dev->dev.platform_data;
free_irq(ucb->irq, ucb);
input_unregister_device(ucb->ts_idev);
- dev_set_drvdata(dev, NULL);
- kfree(ucb);
return 0;
}
-static struct device_driver ucb1400_ts_driver = {
- .name = "ucb1400_ts",
- .owner = THIS_MODULE,
- .bus = &ac97_bus_type,
- .probe = ucb1400_ts_probe,
- .remove = ucb1400_ts_remove,
- .resume = ucb1400_ts_resume,
+#ifdef CONFIG_PM
+static int ucb1400_ts_resume(struct platform_device *dev)
+{
+ struct ucb1400_ts *ucb = platform_get_drvdata(dev);
+
+ if (ucb->ts_task) {
+ /*
+ * Restart the TS thread to ensure the
+ * TS interrupt mode is set up again
+ * after sleep.
+ */
+ ucb->ts_restart = 1;
+ wake_up(&ucb->ts_wait);
+ }
+ return 0;
+}
+#else
+#define ucb1400_ts_resume NULL
+#endif
+
+static struct platform_driver ucb1400_ts_driver = {
+ .probe = ucb1400_ts_probe,
+ .remove = ucb1400_ts_remove,
+ .resume = ucb1400_ts_resume,
+ .driver = {
+ .name = "ucb1400_ts",
+ },
};
static int __init ucb1400_ts_init(void)
{
- return driver_register(&ucb1400_ts_driver);
+ return platform_driver_register(&ucb1400_ts_driver);
}
static void __exit ucb1400_ts_exit(void)
{
- driver_unregister(&ucb1400_ts_driver);
+ platform_driver_unregister(&ucb1400_ts_driver);
}
module_param(adcsync, bool, 0444);
MODULE_PARM_DESC(adcsync, "Synchronize touch readings with ADCSYNC pin.");
module_param(ts_delay, int, 0444);
-MODULE_PARM_DESC(ts_delay, "Delay between panel setup and position read. Default = 55us.");
+MODULE_PARM_DESC(ts_delay, "Delay between panel setup and"
+ " position read. Default = 55us.");
module_param(ts_delay_pressure, int, 0444);
MODULE_PARM_DESC(ts_delay_pressure,
- "delay between panel setup and pressure read. Default = 0us.");
+ "delay between panel setup and pressure read."
+ " Default = 0us.");
module_init(ucb1400_ts_init);
module_exit(ucb1400_ts_exit);
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 10c44d3fe01..5dba1651f9c 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -50,6 +50,15 @@ config HTC_PASIC3
HTC Magician devices, respectively. Actual functionality is
handled by the leds-pasic3 and ds1wm drivers.
+config UCB1400_CORE
+ tristate "Philips UCB1400 Core driver"
+ help
+ This enables support for the Philips UCB1400 core functions.
+ The UCB1400 is an AC97 audio codec.
+
+ To compile this driver as a module, choose M here: the
+ module will be called ucb1400_core.
+
config MFD_TMIO
bool
default n
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 03ad239ecef..6abebe36441 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -22,3 +22,4 @@ obj-$(CONFIG_MCP_UCB1200_TS) += ucb1x00-ts.o
ifeq ($(CONFIG_SA1100_ASSABET),y)
obj-$(CONFIG_MCP_UCB1200) += ucb1x00-assabet.o
endif
+obj-$(CONFIG_UCB1400_CORE) += ucb1400_core.o
diff --git a/drivers/mfd/ucb1400_core.c b/drivers/mfd/ucb1400_core.c
new file mode 100644
index 00000000000..178159e264c
--- /dev/null
+++ b/drivers/mfd/ucb1400_core.c
@@ -0,0 +1,106 @@
+/*
+ * Core functions for:
+ * Philips UCB1400 multifunction chip
+ *
+ * Based on ucb1400_ts.c:
+ * Author: Nicolas Pitre
+ * Created: September 25, 2006
+ * Copyright: MontaVista Software, Inc.
+ *
+ * Spliting done by: Marek Vasut <marek.vasut@gmail.com>
+ * If something doesnt work and it worked before spliting, e-mail me,
+ * dont bother Nicolas please ;-)
+ *
+ * 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.
+ *
+ * This code is heavily based on ucb1x00-*.c copyrighted by Russell King
+ * covering the UCB1100, UCB1200 and UCB1300.. Support for the UCB1400 has
+ * been made separate from ucb1x00-core/ucb1x00-ts on Russell's request.
+ */
+
+#include <linux/module.h>
+#include <linux/ucb1400.h>
+
+static int ucb1400_core_probe(struct device *dev)
+{
+ int err;
+ struct ucb1400 *ucb;
+ struct ucb1400_ts ucb_ts;
+ struct snd_ac97 *ac97;
+
+ memset(&ucb_ts, 0, sizeof(ucb_ts));
+
+ ucb = kzalloc(sizeof(struct ucb1400), GFP_KERNEL);
+ if (!ucb) {
+ err = -ENOMEM;
+ goto err;
+ }
+
+ dev_set_drvdata(dev, ucb);
+
+ ac97 = to_ac97_t(dev);
+
+ ucb_ts.id = ucb1400_reg_read(ac97, UCB_ID);
+ if (ucb_ts.id != UCB_ID_1400) {
+ err = -ENODEV;
+ goto err0;
+ }
+
+ /* TOUCHSCREEN */
+ ucb_ts.ac97 = ac97;
+ ucb->ucb1400_ts = platform_device_alloc("ucb1400_ts", -1);
+ if (!ucb->ucb1400_ts) {
+ err = -ENOMEM;
+ goto err0;
+ }
+ err = platform_device_add_data(ucb->ucb1400_ts, &ucb_ts,
+ sizeof(ucb_ts));
+ if (err)
+ goto err1;
+ err = platform_device_add(ucb->ucb1400_ts);
+ if (err)
+ goto err1;
+
+ return 0;
+
+err1:
+ platform_device_put(ucb->ucb1400_ts);
+err0:
+ kfree(ucb);
+err:
+ return err;
+}
+
+static int ucb1400_core_remove(struct device *dev)
+{
+ struct ucb1400 *ucb = dev_get_drvdata(dev);
+
+ platform_device_unregister(ucb->ucb1400_ts);
+ kfree(ucb);
+ return 0;
+}
+
+static struct device_driver ucb1400_core_driver = {
+ .name = "ucb1400_core",
+ .bus = &ac97_bus_type,
+ .probe = ucb1400_core_probe,
+ .remove = ucb1400_core_remove,
+};
+
+static int __init ucb1400_core_init(void)
+{
+ return driver_register(&ucb1400_core_driver);
+}
+
+static void __exit ucb1400_core_exit(void)
+{
+ driver_unregister(&ucb1400_core_driver);
+}
+
+module_init(ucb1400_core_init);
+module_exit(ucb1400_core_exit);
+
+MODULE_DESCRIPTION("Philips UCB1400 driver");
+MODULE_LICENSE("GPL");
diff --git a/drivers/pcmcia/Makefile b/drivers/pcmcia/Makefile
index 20c5b06790a..679ca927a62 100644
--- a/drivers/pcmcia/Makefile
+++ b/drivers/pcmcia/Makefile
@@ -73,5 +73,6 @@ pxa2xx_cs-$(CONFIG_MACH_MAINSTONE) += pxa2xx_mainstone.o
pxa2xx_cs-$(CONFIG_PXA_SHARPSL) += pxa2xx_sharpsl.o
pxa2xx_cs-$(CONFIG_MACH_ARMCORE) += pxa2xx_cm_x2xx.o pxa2xx_cm_x255.o pxa2xx_cm_x270.o
pxa2xx_cs-$(CONFIG_TRIZEPS_PCMCIA) += pxa2xx_trizeps.o
-pxa2xx_cs-$(CONFIG_MACH_PALMTX) += pxa2xx_palmtx.o
+pxa2xx_cs-$(CONFIG_MACH_PALMTX) += pxa2xx_palmtx.o
+pxa2xx_cs-$(CONFIG_MACH_PALMLD) += pxa2xx_palmld.o
diff --git a/drivers/pcmcia/pxa2xx_palmld.c b/drivers/pcmcia/pxa2xx_palmld.c
new file mode 100644
index 00000000000..1736c67e547
--- /dev/null
+++ b/drivers/pcmcia/pxa2xx_palmld.c
@@ -0,0 +1,151 @@
+/*
+ * linux/drivers/pcmcia/pxa2xx_palmld.c
+ *
+ * Driver for Palm LifeDrive PCMCIA
+ *
+ * Copyright (C) 2006 Alex Osborne <ato@meshy.org>
+ * Copyright (C) 2007-2008 Marek Vasut <marek.vasut@gmail.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/module.h>
+#include <linux/platform_device.h>
+#include <linux/gpio.h>
+
+#include <asm/mach-types.h>
+#include <mach/palmld.h>
+#include "soc_common.h"
+
+static int palmld_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
+{
+ int ret;
+
+ ret = gpio_request(GPIO_NR_PALMLD_PCMCIA_POWER, "PCMCIA PWR");
+ if (ret)
+ goto err1;
+ ret = gpio_direction_output(GPIO_NR_PALMLD_PCMCIA_POWER, 0);
+ if (ret)
+ goto err2;
+
+ ret = gpio_request(GPIO_NR_PALMLD_PCMCIA_RESET, "PCMCIA RST");
+ if (ret)
+ goto err2;
+ ret = gpio_direction_output(GPIO_NR_PALMLD_PCMCIA_RESET, 1);
+ if (ret)
+ goto err3;
+
+ ret = gpio_request(GPIO_NR_PALMLD_PCMCIA_READY, "PCMCIA RDY");
+ if (ret)
+ goto err3;
+ ret = gpio_direction_input(GPIO_NR_PALMLD_PCMCIA_READY);
+ if (ret)
+ goto err4;
+
+ skt->irq = IRQ_GPIO(GPIO_NR_PALMLD_PCMCIA_READY);
+ return 0;
+
+err4:
+ gpio_free(GPIO_NR_PALMLD_PCMCIA_READY);
+err3:
+ gpio_free(GPIO_NR_PALMLD_PCMCIA_RESET);
+err2:
+ gpio_free(GPIO_NR_PALMLD_PCMCIA_POWER);
+err1:
+ return ret;
+}
+
+static void palmld_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
+{
+ gpio_free(GPIO_NR_PALMLD_PCMCIA_READY);
+ gpio_free(GPIO_NR_PALMLD_PCMCIA_RESET);
+ gpio_free(GPIO_NR_PALMLD_PCMCIA_POWER);
+}
+
+static void palmld_pcmcia_socket_state(struct soc_pcmcia_socket *skt,
+ struct pcmcia_state *state)
+{
+ state->detect = 1; /* always inserted */
+ state->ready = !!gpio_get_value(GPIO_NR_PALMLD_PCMCIA_READY);
+ state->bvd1 = 1;
+ state->bvd2 = 1;
+ state->wrprot = 0;
+ state->vs_3v = 1;
+ state->vs_Xv = 0;
+}
+
+static int palmld_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
+ const socket_state_t *state)
+{
+ gpio_set_value(GPIO_NR_PALMLD_PCMCIA_POWER, 1);
+ gpio_set_value(GPIO_NR_PALMLD_PCMCIA_RESET,
+ !!(state->flags & SS_RESET));
+
+ return 0;
+}
+
+static void palmld_pcmcia_socket_init(struct soc_pcmcia_socket *skt)
+{
+}
+
+static void palmld_pcmcia_socket_suspend(struct soc_pcmcia_socket *skt)
+{
+}
+
+static struct pcmcia_low_level palmld_pcmcia_ops = {
+ .owner = THIS_MODULE,
+
+ .first = 0,
+ .nr = 2,
+
+ .hw_init = palmld_pcmcia_hw_init,
+ .hw_shutdown = palmld_pcmcia_hw_shutdown,
+
+ .socket_state = palmld_pcmcia_socket_state,
+ .configure_socket = palmld_pcmcia_configure_socket,
+
+ .socket_init = palmld_pcmcia_socket_init,
+ .socket_suspend = palmld_pcmcia_socket_suspend,
+};
+
+static struct platform_device *palmld_pcmcia_device;
+
+static int __init palmld_pcmcia_init(void)
+{
+ int ret;
+
+ if (!machine_is_palmld())
+ return -ENODEV;
+
+ palmld_pcmcia_device = platform_device_alloc("pxa2xx-pcmcia", -1);
+ if (!palmld_pcmcia_device)
+ return -ENOMEM;
+
+ ret = platform_device_add_data(palmld_pcmcia_device, &palmld_pcmcia_ops,
+ sizeof(palmld_pcmcia_ops));
+
+ if (!ret)
+ ret = platform_device_add(palmld_pcmcia_device);
+
+ if (ret)
+ platform_device_put(palmld_pcmcia_device);
+
+ return ret;
+}
+
+static void __exit palmld_pcmcia_exit(void)
+{
+ platform_device_unregister(palmld_pcmcia_device);
+}
+
+module_init(palmld_pcmcia_init);
+module_exit(palmld_pcmcia_exit);
+
+MODULE_AUTHOR("Alex Osborne <ato@meshy.org>,"
+ " Marek Vasut <marek.vasut@gmail.com>");
+MODULE_DESCRIPTION("PCMCIA support for Palm LifeDrive");
+MODULE_ALIAS("platform:pxa2xx-pcmcia");
+MODULE_LICENSE("GPL");
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index 9ce55850271..1982f8b4278 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -56,10 +56,10 @@ config BATTERY_TOSA
Say Y to enable support for the battery on the Sharp Zaurus
SL-6000 (tosa) models.
-config BATTERY_PALMTX
- tristate "Palm T|X battery"
- depends on MACH_PALMTX
+config BATTERY_WM97XX
+ bool "WM97xx generic battery driver"
+ depends on TOUCHSCREEN_WM97XX
help
- Say Y to enable support for the battery in Palm T|X.
+ Say Y to enable support for battery measured by WM97xx aux port.
endif # POWER_SUPPLY
diff --git a/drivers/power/Makefile b/drivers/power/Makefile
index 4706bf8ff45..4e20026cc45 100644
--- a/drivers/power/Makefile
+++ b/drivers/power/Makefile
@@ -21,4 +21,4 @@ obj-$(CONFIG_BATTERY_DS2760) += ds2760_battery.o
obj-$(CONFIG_BATTERY_PMU) += pmu_battery.o
obj-$(CONFIG_BATTERY_OLPC) += olpc_battery.o
obj-$(CONFIG_BATTERY_TOSA) += tosa_battery.o
-obj-$(CONFIG_BATTERY_PALMTX) += palmtx_battery.o
+obj-$(CONFIG_BATTERY_WM97XX) += wm97xx_battery.o \ No newline at end of file
diff --git a/drivers/power/palmtx_battery.c b/drivers/power/palmtx_battery.c
deleted file mode 100644
index 7035bfa41c6..00000000000
--- a/drivers/power/palmtx_battery.c
+++ /dev/null
@@ -1,198 +0,0 @@
-/*
- * linux/drivers/power/palmtx_battery.c
- *
- * Battery measurement code for Palm T|X Handheld computer
- *
- * based on tosa_battery.c
- *
- * Copyright (C) 2008 Marek Vasut <marek.vasut@gmail.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/kernel.h>
-#include <linux/module.h>
-#include <linux/power_supply.h>
-#include <linux/wm97xx.h>
-#include <linux/delay.h>
-#include <linux/spinlock.h>
-#include <linux/interrupt.h>
-#include <linux/gpio.h>
-
-#include <asm/mach-types.h>
-#include <mach/palmtx.h>
-
-static DEFINE_MUTEX(bat_lock);
-static struct work_struct bat_work;
-struct mutex work_lock;
-int bat_status = POWER_SUPPLY_STATUS_DISCHARGING;
-
-static unsigned long palmtx_read_bat(struct power_supply *bat_ps)
-{
- return wm97xx_read_aux_adc(bat_ps->dev->parent->driver_data,
- WM97XX_AUX_ID3) * 1000 / 414;
-}
-
-static unsigned long palmtx_read_temp(struct power_supply *bat_ps)
-{
- return wm97xx_read_aux_adc(bat_ps->dev->parent->driver_data,
- WM97XX_AUX_ID2);
-}
-
-static int palmtx_bat_get_property(struct power_supply *bat_ps,
- enum power_supply_property psp,
- union power_supply_propval *val)
-{
- switch (psp) {
- case POWER_SUPPLY_PROP_STATUS:
- val->intval = bat_status;
- break;
- case POWER_SUPPLY_PROP_TECHNOLOGY:
- val->intval = POWER_SUPPLY_TECHNOLOGY_LIPO;
- break;
- case POWER_SUPPLY_PROP_VOLTAGE_NOW:
- val->intval = palmtx_read_bat(bat_ps);
- break;
- case POWER_SUPPLY_PROP_VOLTAGE_MAX:
- case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
- val->intval = PALMTX_BAT_MAX_VOLTAGE;
- break;
- case POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN:
- val->intval = PALMTX_BAT_MIN_VOLTAGE;
- break;
- case POWER_SUPPLY_PROP_TEMP:
- val->intval = palmtx_read_temp(bat_ps);
- break;
- case POWER_SUPPLY_PROP_PRESENT:
- val->intval = 1;
- break;
- default:
- return -EINVAL;
- }
- return 0;
-}
-
-static void palmtx_bat_external_power_changed(struct power_supply *bat_ps)
-{
- schedule_work(&bat_work);
-}
-
-static char *status_text[] = {
- [POWER_SUPPLY_STATUS_UNKNOWN] = "Unknown",
- [POWER_SUPPLY_STATUS_CHARGING] = "Charging",
- [POWER_SUPPLY_STATUS_DISCHARGING] = "Discharging",
-};
-
-static void palmtx_bat_update(struct power_supply *bat_ps)
-{
- int old_status = bat_status;
-
- mutex_lock(&work_lock);
-
- bat_status = gpio_get_value(GPIO_NR_PALMTX_POWER_DETECT) ?
- POWER_SUPPLY_STATUS_CHARGING :
- POWER_SUPPLY_STATUS_DISCHARGING;
-
- if (old_status != bat_status) {
- pr_debug("%s %s -> %s\n", bat_ps->name,
- status_text[old_status],
- status_text[bat_status]);
- power_supply_changed(bat_ps);
- }
-
- mutex_unlock(&work_lock);
-}
-
-static enum power_supply_property palmtx_bat_main_props[] = {
- POWER_SUPPLY_PROP_STATUS,
- POWER_SUPPLY_PROP_TECHNOLOGY,
- POWER_SUPPLY_PROP_VOLTAGE_NOW,
- POWER_SUPPLY_PROP_VOLTAGE_MAX,
- POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
- POWER_SUPPLY_PROP_TEMP,
- POWER_SUPPLY_PROP_PRESENT,
-};
-
-struct power_supply bat_ps = {
- .name = "main-battery",
- .type = POWER_SUPPLY_TYPE_BATTERY,
- .properties = palmtx_bat_main_props,
- .num_properties = ARRAY_SIZE(palmtx_bat_main_props),
- .get_property = palmtx_bat_get_property,
- .external_power_changed = palmtx_bat_external_power_changed,
- .use_for_apm = 1,
-};
-
-static void palmtx_bat_work(struct work_struct *work)
-{
- palmtx_bat_update(&bat_ps);
-}
-
-#ifdef CONFIG_PM
-static int palmtx_bat_suspend(struct platform_device *dev, pm_message_t state)
-{
- flush_scheduled_work();
- return 0;
-}
-
-static int palmtx_bat_resume(struct platform_device *dev)
-{
- schedule_work(&bat_work);
- return 0;
-}
-#else
-#define palmtx_bat_suspend NULL
-#define palmtx_bat_resume NULL
-#endif
-
-static int __devinit palmtx_bat_probe(struct platform_device *dev)
-{
- int ret = 0;
-
- if (!machine_is_palmtx())
- return -ENODEV;
-
- mutex_init(&work_lock);
-
- INIT_WORK(&bat_work, palmtx_bat_work);
-
- ret = power_supply_register(&dev->dev, &bat_ps);
- if (!ret)
- schedule_work(&bat_work);
-
- return ret;
-}
-
-static int __devexit palmtx_bat_remove(struct platform_device *dev)
-{
- power_supply_unregister(&bat_ps);
- return 0;
-}
-
-static struct platform_driver palmtx_bat_driver = {
- .driver.name = "wm97xx-battery",
- .driver.owner = THIS_MODULE,
- .probe = palmtx_bat_probe,
- .remove = __devexit_p(palmtx_bat_remove),
- .suspend = palmtx_bat_suspend,
- .resume = palmtx_bat_resume,
-};
-
-static int __init palmtx_bat_init(void)
-{
- return platform_driver_register(&palmtx_bat_driver);
-}
-
-static void __exit palmtx_bat_exit(void)
-{
- platform_driver_unregister(&palmtx_bat_driver);
-}
-
-module_init(palmtx_bat_init);
-module_exit(palmtx_bat_exit);
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
-MODULE_DESCRIPTION("Palm T|X battery driver");
diff --git a/drivers/power/wm97xx_battery.c b/drivers/power/wm97xx_battery.c
new file mode 100644
index 00000000000..8bde92126d3
--- /dev/null
+++ b/drivers/power/wm97xx_battery.c
@@ -0,0 +1,272 @@
+/*
+ * linux/drivers/power/wm97xx_battery.c
+ *
+ * Battery measurement code for WM97xx
+ *
+ * based on tosa_battery.c
+ *
+ * Copyright (C) 2008 Marek Vasut <marek.vasut@gmail.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/module.h>
+#include <linux/platform_device.h>
+#include <linux/power_supply.h>
+#include <linux/wm97xx.h>
+#include <linux/spinlock.h>
+#include <linux/interrupt.h>
+#include <linux/gpio.h>
+#include <linux/wm97xx_batt.h>
+
+static DEFINE_MUTEX(bat_lock);
+static struct work_struct bat_work;
+struct mutex work_lock;
+static int bat_status = POWER_SUPPLY_STATUS_UNKNOWN;
+static struct wm97xx_batt_info *pdata;
+static enum power_supply_property *prop;
+
+static unsigned long wm97xx_read_bat(struct power_supply *bat_ps)
+{
+ return wm97xx_read_aux_adc(bat_ps->dev->parent->driver_data,
+ pdata->batt_aux) * pdata->batt_mult /
+ pdata->batt_div;
+}
+
+static unsigned long wm97xx_read_temp(struct power_supply *bat_ps)
+{
+ return wm97xx_read_aux_adc(bat_ps->dev->parent->driver_data,
+ pdata->temp_aux) * pdata->temp_mult /
+ pdata->temp_div;
+}
+
+static int wm97xx_bat_get_property(struct power_supply *bat_ps,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ switch (psp) {
+ case POWER_SUPPLY_PROP_STATUS:
+ val->intval = bat_status;
+ break;
+ case POWER_SUPPLY_PROP_TECHNOLOGY:
+ val->intval = pdata->batt_tech;
+ break;
+ case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+ if (pdata->batt_aux >= 0)
+ val->intval = wm97xx_read_bat(bat_ps);
+ else
+ return -EINVAL;
+ break;
+ case POWER_SUPPLY_PROP_TEMP:
+ if (pdata->temp_aux >= 0)
+ val->intval = wm97xx_read_temp(bat_ps);
+ else
+ return -EINVAL;
+ break;
+ case POWER_SUPPLY_PROP_VOLTAGE_MAX:
+ if (pdata->max_voltage >= 0)
+ val->intval = pdata->max_voltage;
+ else
+ return -EINVAL;
+ break;
+ case POWER_SUPPLY_PROP_VOLTAGE_MIN:
+ if (pdata->min_voltage >= 0)
+ val->intval = pdata->min_voltage;
+ else
+ return -EINVAL;
+ break;
+ case POWER_SUPPLY_PROP_PRESENT:
+ val->intval = 1;
+ break;
+ default:
+ return -EINVAL;
+ }
+ return 0;
+}
+
+static void wm97xx_bat_external_power_changed(struct power_supply *bat_ps)
+{
+ schedule_work(&bat_work);
+}
+
+static void wm97xx_bat_update(struct power_supply *bat_ps)
+{
+ int old_status = bat_status;
+
+ mutex_lock(&work_lock);
+
+ bat_status = (pdata->charge_gpio >= 0) ?
+ (gpio_get_value(pdata->charge_gpio) ?
+ POWER_SUPPLY_STATUS_DISCHARGING :
+ POWER_SUPPLY_STATUS_CHARGING) :
+ POWER_SUPPLY_STATUS_UNKNOWN;
+
+ if (old_status != bat_status) {
+ pr_debug("%s: %i -> %i\n", bat_ps->name, old_status,
+ bat_status);
+ power_supply_changed(bat_ps);
+ }
+
+ mutex_unlock(&work_lock);
+}
+
+static struct power_supply bat_ps = {
+ .type = POWER_SUPPLY_TYPE_BATTERY,
+ .get_property = wm97xx_bat_get_property,
+ .external_power_changed = wm97xx_bat_external_power_changed,
+ .use_for_apm = 1,
+};
+
+static void wm97xx_bat_work(struct work_struct *work)
+{
+ wm97xx_bat_update(&bat_ps);
+}
+
+#ifdef CONFIG_PM
+static int wm97xx_bat_suspend(struct platform_device *dev, pm_message_t state)
+{
+ flush_scheduled_work();
+ return 0;
+}
+
+static int wm97xx_bat_resume(struct platform_device *dev)
+{
+ schedule_work(&bat_work);
+ return 0;
+}
+#else
+#define wm97xx_bat_suspend NULL
+#define wm97xx_bat_resume NULL
+#endif
+
+static int __devinit wm97xx_bat_probe(struct platform_device *dev)
+{
+ int ret = 0;
+ int props = 1; /* POWER_SUPPLY_PROP_PRESENT */
+ int i = 0;
+
+ if (dev->id != -1)
+ return -EINVAL;
+
+ mutex_init(&work_lock);
+
+ if (!pdata) {
+ dev_err(&dev->dev, "Please use wm97xx_bat_set_pdata\n");
+ return -EINVAL;
+ }
+
+ if (pdata->charge_gpio >= 0 && gpio_is_valid(pdata->charge_gpio)) {
+ ret = gpio_request(pdata->charge_gpio, "BATT CHRG");
+ if (ret)
+ goto err;
+ ret = gpio_direction_input(pdata->charge_gpio);
+ if (ret)
+ goto err2;
+ props++; /* POWER_SUPPLY_PROP_STATUS */
+ }
+
+ if (pdata->batt_tech >= 0)
+ props++; /* POWER_SUPPLY_PROP_TECHNOLOGY */
+ if (pdata->temp_aux >= 0)
+ props++; /* POWER_SUPPLY_PROP_TEMP */
+ if (pdata->batt_aux >= 0)
+ props++; /* POWER_SUPPLY_PROP_VOLTAGE_NOW */
+ if (pdata->max_voltage >= 0)
+ props++; /* POWER_SUPPLY_PROP_VOLTAGE_MAX */
+ if (pdata->min_voltage >= 0)
+ props++; /* POWER_SUPPLY_PROP_VOLTAGE_MIN */
+
+ prop = kzalloc(props * sizeof(*prop), GFP_KERNEL);
+ if (!prop)
+ goto err2;
+
+ prop[i++] = POWER_SUPPLY_PROP_PRESENT;
+ if (pdata->charge_gpio >= 0)
+ prop[i++] = POWER_SUPPLY_PROP_STATUS;
+ if (pdata->batt_tech >= 0)
+ prop[i++] = POWER_SUPPLY_PROP_TECHNOLOGY;
+ if (pdata->temp_aux >= 0)
+ prop[i++] = POWER_SUPPLY_PROP_TEMP;
+ if (pdata->batt_aux >= 0)
+ prop[i++] = POWER_SUPPLY_PROP_VOLTAGE_NOW;
+ if (pdata->max_voltage >= 0)
+ prop[i++] = POWER_SUPPLY_PROP_VOLTAGE_MAX;
+ if (pdata->min_voltage >= 0)
+ prop[i++] = POWER_SUPPLY_PROP_VOLTAGE_MIN;
+
+ INIT_WORK(&bat_work, wm97xx_bat_work);
+
+ if (!pdata->batt_name) {
+ dev_info(&dev->dev, "Please consider setting proper battery "
+ "name in platform definition file, falling "
+ "back to name \"wm97xx-batt\"\n");
+ bat_ps.name = "wm97xx-batt";
+ } else
+ bat_ps.name = pdata->batt_name;
+
+ bat_ps.properties = prop;
+ bat_ps.num_properties = props;
+
+ ret = power_supply_register(&dev->dev, &bat_ps);
+ if (!ret)
+ schedule_work(&bat_work);
+ else
+ goto err3;
+
+ return 0;
+err3:
+ kfree(prop);
+err2:
+ gpio_free(pdata->charge_gpio);
+err:
+ return ret;
+}
+
+static int __devexit wm97xx_bat_remove(struct platform_device *dev)
+{
+ if (pdata && pdata->charge_gpio && pdata->charge_gpio >= 0)
+ gpio_free(pdata->charge_gpio);
+ flush_scheduled_work();
+ power_supply_unregister(&bat_ps);
+ kfree(prop);
+ return 0;
+}
+
+static struct platform_driver wm97xx_bat_driver = {
+ .driver = {
+ .name = "wm97xx-battery",
+ .owner = THIS_MODULE,
+ },
+ .probe = wm97xx_bat_probe,
+ .remove = __devexit_p(wm97xx_bat_remove),
+ .suspend = wm97xx_bat_suspend,
+ .resume = wm97xx_bat_resume,
+};
+
+static int __init wm97xx_bat_init(void)
+{
+ return platform_driver_register(&wm97xx_bat_driver);
+}
+
+static void __exit wm97xx_bat_exit(void)
+{
+ platform_driver_unregister(&wm97xx_bat_driver);
+}
+
+void __init wm97xx_bat_set_pdata(struct wm97xx_batt_info *data)
+{
+ pdata = data;
+}
+EXPORT_SYMBOL_GPL(wm97xx_bat_set_pdata);
+
+module_init(wm97xx_bat_init);
+module_exit(wm97xx_bat_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Marek Vasut <marek.vasut@gmail.com>");
+MODULE_DESCRIPTION("WM97xx battery driver");