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Diffstat (limited to 'target/linux/s3c24xx/patches/0035-gta02-bt-fixes.patch.patch')
-rwxr-xr-xtarget/linux/s3c24xx/patches/0035-gta02-bt-fixes.patch.patch209
1 files changed, 209 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches/0035-gta02-bt-fixes.patch.patch b/target/linux/s3c24xx/patches/0035-gta02-bt-fixes.patch.patch
new file mode 100755
index 0000000000..e04723f4bf
--- /dev/null
+++ b/target/linux/s3c24xx/patches/0035-gta02-bt-fixes.patch.patch
@@ -0,0 +1,209 @@
+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, &gta01_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
+
generated by cgit v1.2.3 (git 2.46.0) at 2024-12-27 08:18:43 +0000