mirror of
https://github.com/openwrt/openwrt.git
synced 2024-12-27 01:11:14 +00:00
210 lines
6.2 KiB
Diff
Executable File
210 lines
6.2 KiB
Diff
Executable File
From d4d6e6229c94cfe2bd8f29b4ebc0d60b8ad29455 Mon Sep 17 00:00:00 2001
|
|
From: mokopatches <mokopatches@openmoko.org>
|
|
Date: Wed, 16 Jul 2008 14:46:57 +0100
|
|
Subject: [PATCH] gta02-bt-fixes.patch
|
|
Modify GTA02 power manager for bluetooth.
|
|
|
|
1. Default power value isn't correct. Now we set pcf50633 LDO4 to 3.2 voltage.
|
|
|
|
2. Separate GTA01 and GTA02 source code.
|
|
|
|
3. Add pcf50633 API for enable register.
|
|
---
|
|
arch/arm/mach-s3c2440/mach-gta02.c | 4 +-
|
|
arch/arm/plat-s3c24xx/neo1973_pm_bt.c | 71 ++++++++++++++++++++++++++++----
|
|
include/linux/pcf50633.h | 1 +
|
|
3 files changed, 65 insertions(+), 11 deletions(-)
|
|
|
|
diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c
|
|
index 3fbb131..46acede 100644
|
|
--- a/arch/arm/mach-s3c2440/mach-gta02.c
|
|
+++ b/arch/arm/mach-s3c2440/mach-gta02.c
|
|
@@ -213,10 +213,10 @@ static struct pcf50633_platform_data gta02_pcf_pdata = {
|
|
},
|
|
},
|
|
[PCF50633_REGULATOR_LDO4] = {
|
|
- .name = "gl_2v5",
|
|
+ .name = "bt_3v2",
|
|
.voltage = {
|
|
.init = 2500,
|
|
- .max = 2500,
|
|
+ .max = 3300,
|
|
},
|
|
},
|
|
[PCF50633_REGULATOR_LDO5] = {
|
|
diff --git a/arch/arm/plat-s3c24xx/neo1973_pm_bt.c b/arch/arm/plat-s3c24xx/neo1973_pm_bt.c
|
|
index d685ef7..8f5be88 100644
|
|
--- a/arch/arm/plat-s3c24xx/neo1973_pm_bt.c
|
|
+++ b/arch/arm/plat-s3c24xx/neo1973_pm_bt.c
|
|
@@ -16,12 +16,19 @@
|
|
#include <linux/kernel.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
-#include <linux/pcf50606.h>
|
|
-
|
|
#include <asm/hardware.h>
|
|
#include <asm/mach-types.h>
|
|
+
|
|
+#ifdef CONFIG_MACH_NEO1973_GTA01
|
|
#include <asm/arch/gta01.h>
|
|
+#include <linux/pcf50606.h>
|
|
+#endif
|
|
+
|
|
+#ifdef CONFIG_MACH_NEO1973_GTA02
|
|
#include <asm/arch/gta02.h>
|
|
+#include <linux/pcf50633.h>
|
|
+#endif
|
|
+
|
|
|
|
#define DRVMSG "FIC Neo1973 Bluetooth Power Management"
|
|
|
|
@@ -30,6 +37,8 @@ static ssize_t bt_read(struct device *dev, struct device_attribute *attr,
|
|
{
|
|
if (!strcmp(attr->attr.name, "power_on")) {
|
|
switch (machine_arch_type) {
|
|
+
|
|
+#ifdef CONFIG_MACH_NEO1973_GTA01
|
|
case MACH_TYPE_NEO1973_GTA01:
|
|
if (pcf50606_onoff_get(pcf50606_global,
|
|
PCF50606_REGULATOR_D1REG) &&
|
|
@@ -37,21 +46,33 @@ static ssize_t bt_read(struct device *dev, struct device_attribute *attr,
|
|
PCF50606_REGULATOR_D1REG) == 3100)
|
|
goto out_1;
|
|
break;
|
|
+#endif /* CONFIG_MACH_NEO1973_GTA01 */
|
|
+
|
|
+#ifdef CONFIG_MACH_NEO1973_GTA02
|
|
case MACH_TYPE_NEO1973_GTA02:
|
|
if (s3c2410_gpio_getpin(GTA02_GPIO_BT_EN))
|
|
goto out_1;
|
|
break;
|
|
+#endif /* CONFIG_MACH_NEO1973_GTA02 */
|
|
+
|
|
}
|
|
} else if (!strcmp(attr->attr.name, "reset")) {
|
|
switch (machine_arch_type) {
|
|
+
|
|
+#ifdef CONFIG_MACH_NEO1973_GTA01
|
|
case MACH_TYPE_NEO1973_GTA01:
|
|
if (s3c2410_gpio_getpin(GTA01_GPIO_BT_EN) == 0)
|
|
goto out_1;
|
|
break;
|
|
+#endif /* CONFIG_MACH_NEO1973_GTA01 */
|
|
+
|
|
+#ifdef CONFIG_MACH_NEO1973_GTA02
|
|
case MACH_TYPE_NEO1973_GTA02:
|
|
if (s3c2410_gpio_getpin(GTA02_GPIO_BT_EN) == 0)
|
|
goto out_1;
|
|
break;
|
|
+#endif /* CONFIG_MACH_NEO1973_GTA02 */
|
|
+
|
|
}
|
|
}
|
|
|
|
@@ -64,9 +85,12 @@ static ssize_t bt_write(struct device *dev, struct device_attribute *attr,
|
|
const char *buf, size_t count)
|
|
{
|
|
unsigned long on = simple_strtoul(buf, NULL, 10);
|
|
+ unsigned int vol;
|
|
|
|
if (!strcmp(attr->attr.name, "power_on")) {
|
|
switch (machine_arch_type) {
|
|
+
|
|
+#ifdef CONFIG_MACH_NEO1973_GTA01
|
|
case MACH_TYPE_NEO1973_GTA01:
|
|
/* if we are powering up, assert reset, then power,
|
|
* then release reset */
|
|
@@ -80,22 +104,39 @@ static ssize_t bt_write(struct device *dev, struct device_attribute *attr,
|
|
PCF50606_REGULATOR_D1REG, on);
|
|
s3c2410_gpio_setpin(GTA01_GPIO_BT_EN, on);
|
|
break;
|
|
+#endif /* CONFIG_MACH_NEO1973_GTA01 */
|
|
+
|
|
+#ifdef CONFIG_MACH_NEO1973_GTA02
|
|
case MACH_TYPE_NEO1973_GTA02:
|
|
+ s3c2410_gpio_setpin(GTA02_GPIO_BT_EN, on ? 0 : 1);
|
|
if (on)
|
|
- s3c2410_gpio_setpin(GTA02_GPIO_BT_EN, 0);
|
|
- else
|
|
- s3c2410_gpio_setpin(GTA02_GPIO_BT_EN, 1);
|
|
+ pcf50633_voltage_set(pcf50633_global,
|
|
+ PCF50633_REGULATOR_LDO4, 3200);
|
|
+ pcf50633_onoff_set(pcf50633_global,
|
|
+ PCF50633_REGULATOR_LDO4, on);
|
|
+ vol = pcf50633_voltage_get(pcf50633_global,
|
|
+ PCF50633_REGULATOR_LDO4);
|
|
+ dev_info(dev, "GTA02 Set PCF50633 LDO4 = %d\n", vol);
|
|
break;
|
|
+#endif /* CONFIG_MACH_NEO1973_GTA02 */
|
|
+
|
|
}
|
|
} else if (!strcmp(attr->attr.name, "reset")) {
|
|
/* reset is low-active, so we need to invert */
|
|
switch (machine_arch_type) {
|
|
+
|
|
+#ifdef CONFIG_MACH_NEO1973_GTA01
|
|
case MACH_TYPE_NEO1973_GTA01:
|
|
s3c2410_gpio_setpin(GTA01_GPIO_BT_EN, on ? 0 : 1);
|
|
break;
|
|
+#endif /* CONFIG_MACH_NEO1973_GTA01 */
|
|
+
|
|
+#ifdef CONFIG_MACH_NEO1973_GTA02
|
|
case MACH_TYPE_NEO1973_GTA02:
|
|
s3c2410_gpio_setpin(GTA02_GPIO_BT_EN, on ? 0 : 1);
|
|
break;
|
|
+#endif /* CONFIG_MACH_NEO1973_GTA02 */
|
|
+
|
|
}
|
|
}
|
|
|
|
@@ -143,18 +184,30 @@ static int __init gta01_bt_probe(struct platform_device *pdev)
|
|
dev_info(&pdev->dev, DRVMSG ": starting\n");
|
|
|
|
switch (machine_arch_type) {
|
|
+
|
|
+#ifdef CONFIG_MACH_NEO1973_GTA01
|
|
case MACH_TYPE_NEO1973_GTA01:
|
|
/* we make sure that the voltage is off */
|
|
pcf50606_onoff_set(pcf50606_global,
|
|
PCF50606_REGULATOR_D1REG, 0);
|
|
+ /* we pull reset to low to make sure that the chip doesn't
|
|
+ * drain power through the reset line */
|
|
+ s3c2410_gpio_setpin(GTA01_GPIO_BT_EN, 0);
|
|
break;
|
|
+#endif /* CONFIG_MACH_NEO1973_GTA01 */
|
|
+
|
|
+#ifdef CONFIG_MACH_NEO1973_GTA02
|
|
case MACH_TYPE_NEO1973_GTA02:
|
|
- /* FIXME: implementation */
|
|
+ /* we make sure that the voltage is off */
|
|
+ pcf50633_onoff_set(pcf50633_global,
|
|
+ PCF50633_REGULATOR_LDO4, 0);
|
|
+ /* we pull reset to low to make sure that the chip doesn't
|
|
+ * drain power through the reset line */
|
|
+ s3c2410_gpio_setpin(GTA02_GPIO_BT_EN, 0);
|
|
break;
|
|
+#endif /* CONFIG_MACH_NEO1973_GTA02 */
|
|
+
|
|
}
|
|
- /* we pull reset to low to make sure that the chip doesn't
|
|
- * drain power through the reset line */
|
|
- s3c2410_gpio_setpin(GTA01_GPIO_BT_EN, 0);
|
|
|
|
return sysfs_create_group(&pdev->dev.kobj, >a01_bt_attr_group);
|
|
}
|
|
diff --git a/include/linux/pcf50633.h b/include/linux/pcf50633.h
|
|
index bf50fe4..b6a67ee 100644
|
|
--- a/include/linux/pcf50633.h
|
|
+++ b/include/linux/pcf50633.h
|
|
@@ -46,6 +46,7 @@ pcf50633_voltage_set(struct pcf50633_data *pcf,
|
|
extern unsigned int
|
|
pcf50633_voltage_get(struct pcf50633_data *pcf,
|
|
enum pcf50633_regulator_id reg);
|
|
+
|
|
extern int
|
|
pcf50633_onoff_get(struct pcf50633_data *pcf,
|
|
enum pcf50633_regulator_id reg);
|
|
--
|
|
1.5.6.3
|
|
|