diff options
author | Felix Fietkau <nbd@openwrt.org> | 2009-03-14 15:52:42 +0000 |
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committer | Felix Fietkau <nbd@openwrt.org> | 2009-03-14 15:52:42 +0000 |
commit | 16defbb2bd9478f9e5384b9722f20a694e6bae41 (patch) | |
tree | f52e202c30c7fca103b196ece1223e18446e4dfc /target/linux/s3c24xx/patches-2.6.26/1048-fiq-hdq.patch.patch | |
parent | b4644aedce6526b5d07b336187c8e6417c7dd75e (diff) | |
download | upstream-16defbb2bd9478f9e5384b9722f20a694e6bae41.tar.gz upstream-16defbb2bd9478f9e5384b9722f20a694e6bae41.tar.bz2 upstream-16defbb2bd9478f9e5384b9722f20a694e6bae41.zip |
nuke obsolete kernel stuff
SVN-Revision: 14875
Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.26/1048-fiq-hdq.patch.patch')
-rwxr-xr-x | target/linux/s3c24xx/patches-2.6.26/1048-fiq-hdq.patch.patch | 606 |
1 files changed, 0 insertions, 606 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.26/1048-fiq-hdq.patch.patch b/target/linux/s3c24xx/patches-2.6.26/1048-fiq-hdq.patch.patch deleted file mode 100755 index b8189a1edc..0000000000 --- a/target/linux/s3c24xx/patches-2.6.26/1048-fiq-hdq.patch.patch +++ /dev/null @@ -1,606 +0,0 @@ -From d183fa083737f2b042ecf92166951c30fd83fe61 Mon Sep 17 00:00:00 2001 -From: mokopatches <mokopatches@openmoko.org> -Date: Fri, 25 Jul 2008 22:21:23 +0100 -Subject: [PATCH] fiq-hdq.patch - ---- - arch/arm/mach-s3c2440/mach-gta02.c | 204 +++++++++++++++++++++- - drivers/power/Kconfig | 8 + - drivers/power/Makefile | 2 + - drivers/power/gta02_hdq.c | 250 ++++++++++++++++++++++++++ - include/asm-arm/arch-s3c2410/fiq_ipc_gta02.h | 23 +++ - include/asm-arm/arch-s3c2410/gta02.h | 1 + - include/linux/gta02_hdq.h | 8 + - 7 files changed, 495 insertions(+), 1 deletions(-) - create mode 100644 drivers/power/gta02_hdq.c - create mode 100644 include/linux/gta02_hdq.h - -diff --git a/arch/arm/mach-s3c2440/mach-gta02.c b/arch/arm/mach-s3c2440/mach-gta02.c -index 8c7bbe7..cea76e7 100644 ---- a/arch/arm/mach-s3c2440/mach-gta02.c -+++ b/arch/arm/mach-s3c2440/mach-gta02.c -@@ -99,6 +99,19 @@ EXPORT_SYMBOL(fiq_ipc); - - #define FIQ_DIVISOR_VIBRATOR DIVISOR_FROM_US(100) - -+#ifdef CONFIG_GTA02_HDQ -+/* HDQ specific */ -+#define HDQ_SAMPLE_PERIOD_US 20 -+/* private HDQ FSM state -- all other info interesting for caller in fiq_ipc */ -+static enum hdq_bitbang_states hdq_state; -+static u8 hdq_ctr; -+static u8 hdq_ctr2; -+static u8 hdq_bit; -+static u8 hdq_shifter; -+static u8 hdq_tx_data_done; -+ -+#define FIQ_DIVISOR_HDQ DIVISOR_FROM_US(HDQ_SAMPLE_PERIOD_US) -+#endif - /* define FIQ ISR */ - - FIQ_HANDLER_START() -@@ -121,9 +134,171 @@ FIQ_HANDLER_ENTRY(256, 512) - divisor = FIQ_DIVISOR_VIBRATOR; - } - -- /* TODO: HDQ servicing */ -+#ifdef CONFIG_GTA02_HDQ -+ /* HDQ servicing */ -+ -+ switch (hdq_state) { -+ case HDQB_IDLE: -+ if (fiq_ipc.hdq_request_ctr == fiq_ipc.hdq_transaction_ctr) -+ break; -+ hdq_ctr = 210 / HDQ_SAMPLE_PERIOD_US; -+ s3c2410_gpio_setpin(fiq_ipc.hdq_gpio_pin, 0); -+ s3c2410_gpio_cfgpin(fiq_ipc.hdq_gpio_pin, S3C2410_GPIO_OUTPUT); -+ hdq_tx_data_done = 0; -+ hdq_state = HDQB_TX_BREAK; -+ break; -+ -+ case HDQB_TX_BREAK: /* issue low for > 190us */ -+ if (--hdq_ctr == 0) { -+ hdq_ctr = 60 / HDQ_SAMPLE_PERIOD_US; -+ hdq_state = HDQB_TX_BREAK_RECOVERY; -+ s3c2410_gpio_setpin(fiq_ipc.hdq_gpio_pin, 1); -+ } -+ break; -+ -+ case HDQB_TX_BREAK_RECOVERY: /* issue low for > 40us */ -+ if (--hdq_ctr) -+ break; -+ hdq_shifter = fiq_ipc.hdq_ads; -+ hdq_bit = 8; /* 8 bits of ads / rw */ -+ hdq_tx_data_done = 0; /* doing ads */ -+ /* fallthru on last one */ -+ case HDQB_ADS_CALC: -+ if (hdq_shifter & 1) -+ hdq_ctr = 50 / HDQ_SAMPLE_PERIOD_US; -+ else -+ hdq_ctr = 120 / HDQ_SAMPLE_PERIOD_US; -+ /* carefully precompute the other phase length */ -+ hdq_ctr2 = (210 - (hdq_ctr * HDQ_SAMPLE_PERIOD_US)) / -+ HDQ_SAMPLE_PERIOD_US; -+ hdq_state = HDQB_ADS_LOW; -+ hdq_shifter >>= 1; -+ hdq_bit--; -+ s3c2410_gpio_setpin(fiq_ipc.hdq_gpio_pin, 0); -+ break; -+ -+ case HDQB_ADS_LOW: -+ if (--hdq_ctr) -+ break; -+ s3c2410_gpio_setpin(fiq_ipc.hdq_gpio_pin, 1); -+ hdq_state = HDQB_ADS_HIGH; -+ break; -+ -+ case HDQB_ADS_HIGH: -+ if (--hdq_ctr2 > 1) /* account for HDQB_ADS_CALC */ -+ break; -+ if (hdq_bit) { /* more bits to do */ -+ hdq_state = HDQB_ADS_CALC; -+ break; -+ } -+ /* no more bits, wait it out until hdq_ctr2 exhausted */ -+ if (hdq_ctr2) -+ break; -+ /* ok no more bits and very last state */ -+ hdq_ctr = 60 / HDQ_SAMPLE_PERIOD_US; -+ /* FIXME 0 = read */ -+ if (fiq_ipc.hdq_ads & 0x80) { /* write the byte out */ -+ /* set delay before payload */ -+ hdq_ctr = 300 / HDQ_SAMPLE_PERIOD_US; -+ /* already high, no need to write */ -+ hdq_state = HDQB_WAIT_TX; -+ break; -+ } -+ /* read the next byte */ -+ hdq_bit = 8; /* 8 bits of data */ -+ hdq_ctr = 3000 / HDQ_SAMPLE_PERIOD_US; -+ hdq_state = HDQB_WAIT_RX; -+ s3c2410_gpio_cfgpin(fiq_ipc.hdq_gpio_pin, S3C2410_GPIO_INPUT); -+ break; -+ -+ case HDQB_WAIT_TX: /* issue low for > 40us */ -+ if (--hdq_ctr) -+ break; -+ if (!hdq_tx_data_done) { /* was that the data sent? */ -+ hdq_tx_data_done++; -+ hdq_shifter = fiq_ipc.hdq_tx_data; -+ hdq_bit = 8; /* 8 bits of data */ -+ hdq_state = HDQB_ADS_CALC; /* start sending */ -+ break; -+ } -+ fiq_ipc.hdq_error = 0; -+ fiq_ipc.hdq_transaction_ctr++; -+ hdq_state = HDQB_IDLE; /* all tx is done */ -+ /* idle in input mode, it's pulled up by 10K */ -+ s3c2410_gpio_cfgpin(fiq_ipc.hdq_gpio_pin, S3C2410_GPIO_INPUT); -+ break; -+ -+ case HDQB_WAIT_RX: /* wait for battery to talk to us */ -+ if (s3c2410_gpio_getpin(fiq_ipc.hdq_gpio_pin) == 0) { -+ /* it talks to us! */ -+ hdq_ctr2 = 1; -+ hdq_bit = 8; /* 8 bits of data */ -+ /* timeout */ -+ hdq_ctr = 300 / HDQ_SAMPLE_PERIOD_US; -+ hdq_state = HDQB_DATA_RX_LOW; -+ break; -+ } -+ if (--hdq_ctr == 0) { /* timed out, error */ -+ fiq_ipc.hdq_error = 1; -+ fiq_ipc.hdq_transaction_ctr++; -+ hdq_state = HDQB_IDLE; /* abort */ -+ } -+ break; -+ -+ /* -+ * HDQ basically works by measuring the low time of the bit cell -+ * 32-50us --> '1', 80 - 145us --> '0' -+ */ -+ -+ case HDQB_DATA_RX_LOW: -+ if (s3c2410_gpio_getpin(fiq_ipc.hdq_gpio_pin)) { -+ fiq_ipc.hdq_rx_data >>= 1; -+ if (hdq_ctr2 <= (65 / HDQ_SAMPLE_PERIOD_US)) -+ fiq_ipc.hdq_rx_data |= 0x80; -+ -+ if (--hdq_bit == 0) { -+ fiq_ipc.hdq_error = 0; -+ fiq_ipc.hdq_transaction_ctr++; /* done */ -+ hdq_state = HDQB_IDLE; -+ } else -+ hdq_state = HDQB_DATA_RX_HIGH; -+ /* timeout */ -+ hdq_ctr = 1000 / HDQ_SAMPLE_PERIOD_US; -+ hdq_ctr2 = 1; -+ break; -+ } -+ hdq_ctr2++; -+ if (--hdq_ctr) -+ break; -+ /* timed out, error */ -+ fiq_ipc.hdq_error = 2; -+ fiq_ipc.hdq_transaction_ctr++; -+ hdq_state = HDQB_IDLE; /* abort */ -+ break; - -+ case HDQB_DATA_RX_HIGH: -+ if (!s3c2410_gpio_getpin(fiq_ipc.hdq_gpio_pin)) { -+ /* it talks to us! */ -+ hdq_ctr2 = 1; -+ /* timeout */ -+ hdq_ctr = 400 / HDQ_SAMPLE_PERIOD_US; -+ hdq_state = HDQB_DATA_RX_LOW; -+ break; -+ } -+ if (--hdq_ctr) -+ break; -+ /* timed out, error */ -+ fiq_ipc.hdq_error = 3; -+ fiq_ipc.hdq_transaction_ctr++; -+ /* we're in input mode already */ -+ hdq_state = HDQB_IDLE; /* abort */ -+ break; -+ } - -+ if (hdq_state != HDQB_IDLE) /* ie, not idle */ -+ if (divisor > FIQ_DIVISOR_HDQ) -+ divisor = FIQ_DIVISOR_HDQ; /* keep us going */ -+#endif - - /* disable further timer interrupts if nobody has any work - * or adjust rate according to who still has work -@@ -391,6 +566,23 @@ struct platform_device sc32440_fiq_device = { - .resource = sc32440_fiq_resources, - }; - -+#ifdef CONFIG_GTA02_HDQ -+/* HDQ */ -+ -+static struct resource gta02_hdq_resources[] = { -+ [0] = { -+ .start = GTA02v5_GPIO_HDQ, -+ .end = GTA02v5_GPIO_HDQ, -+ }, -+}; -+ -+struct platform_device gta02_hdq_device = { -+ .name = "gta02-hdq", -+ .num_resources = 1, -+ .resource = gta02_hdq_resources, -+}; -+#endif -+ - /* NOR Flash */ - - #define GTA02_FLASH_BASE 0x18000000 /* GCS3 */ -@@ -1074,6 +1266,16 @@ static void __init gta02_machine_init(void) - - platform_add_devices(gta02_devices, ARRAY_SIZE(gta02_devices)); - -+#ifdef CONFIG_GTA02_HDQ -+ switch (system_rev) { -+ case GTA02v5_SYSTEM_REV: -+ case GTA02v6_SYSTEM_REV: -+ platform_device_register(>a02_hdq_device); -+ break; -+ default: -+ break; -+ } -+#endif - s3c2410_pm_init(); - - /* Set LCD_RESET / XRES to high */ -diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig -index 58c806e..0a4515d 100644 ---- a/drivers/power/Kconfig -+++ b/drivers/power/Kconfig -@@ -50,3 +50,11 @@ config BATTERY_OLPC - Say Y to enable support for the battery on the OLPC laptop. - - endif # POWER_SUPPLY -+ -+config GTA02_HDQ -+ tristate "Neo Freerunner HDQ" -+ depends on MACH_NEO1973_GTA02 && FIQ && S3C2440_C_FIQ -+ help -+ Say Y to enable support for communicating with an HDQ battery -+ on the Neo Freerunner. You probably want to select -+ at least BATTERY_BQ27000_HDQ as well -diff --git a/drivers/power/Makefile b/drivers/power/Makefile -index 6413ded..88f227f 100644 ---- a/drivers/power/Makefile -+++ b/drivers/power/Makefile -@@ -20,3 +20,5 @@ obj-$(CONFIG_APM_POWER) += apm_power.o - obj-$(CONFIG_BATTERY_DS2760) += ds2760_battery.o - obj-$(CONFIG_BATTERY_PMU) += pmu_battery.o - obj-$(CONFIG_BATTERY_OLPC) += olpc_battery.o -+ -+obj-$(CONFIG_GTA02_HDQ) += gta02_hdq.o -diff --git a/drivers/power/gta02_hdq.c b/drivers/power/gta02_hdq.c -new file mode 100644 -index 0000000..12c742e ---- /dev/null -+++ b/drivers/power/gta02_hdq.c -@@ -0,0 +1,250 @@ -+/* -+ * HDQ driver for the FIC Neo1973 GTA02 GSM phone -+ * -+ * (C) 2006-2007 by OpenMoko, Inc. -+ * Author: Andy Green <andy@openmoko.com> -+ * All rights reserved. -+ * -+ * 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/init.h> -+#include <linux/delay.h> -+#include <linux/platform_device.h> -+#include <asm/hardware.h> -+#include <asm/mach-types.h> -+#include <asm/arch/gta02.h> -+#include <asm/arch/fiq_ipc_gta02.h> -+ -+ -+ -+#define HDQ_READ 0 -+#define HDQ_WRITE 0x80 -+ -+ -+int gta02hdq_initialized(void) -+{ -+ return fiq_ipc.hdq_probed; -+} -+EXPORT_SYMBOL_GPL(gta02hdq_initialized); -+ -+int gta02hdq_read(int address) -+{ -+ int count_sleeps = 5; -+ int ret = -ETIME; -+ -+ mutex_lock(&fiq_ipc.hdq_lock); -+ -+ fiq_ipc.hdq_ads = address | HDQ_READ; -+ fiq_ipc.hdq_request_ctr++; -+ fiq_kick(); -+ /* -+ * FIQ takes care of it while we block our calling process -+ * But we're not spinning -- other processes run normally while -+ * we wait for the result -+ */ -+ while (count_sleeps--) { -+ msleep(10); /* valid transaction always completes in < 10ms */ -+ -+ if (fiq_ipc.hdq_request_ctr != fiq_ipc.hdq_transaction_ctr) -+ continue; -+ -+ if (fiq_ipc.hdq_error) -+ goto done; /* didn't see a response in good time */ -+ -+ ret = fiq_ipc.hdq_rx_data; -+ goto done; -+ } -+ ret = -EINVAL; -+ -+done: -+ mutex_unlock(&fiq_ipc.hdq_lock); -+ return ret; -+} -+EXPORT_SYMBOL_GPL(gta02hdq_read); -+ -+int gta02hdq_write(int address, u8 data) -+{ -+ int count_sleeps = 5; -+ int ret = -ETIME; -+ -+ mutex_lock(&fiq_ipc.hdq_lock); -+ -+ fiq_ipc.hdq_ads = address | HDQ_WRITE; -+ fiq_ipc.hdq_tx_data = data; -+ fiq_ipc.hdq_request_ctr++; -+ fiq_kick(); -+ /* -+ * FIQ takes care of it while we block our calling process -+ * But we're not spinning -- other processes run normally while -+ * we wait for the result -+ */ -+ while (count_sleeps--) { -+ msleep(10); /* valid transaction always completes in < 10ms */ -+ -+ if (fiq_ipc.hdq_request_ctr != fiq_ipc.hdq_transaction_ctr) -+ continue; /* something bad with FIQ */ -+ -+ if (fiq_ipc.hdq_error) -+ goto done; /* didn't see a response in good time */ -+ } -+ ret = -EINVAL; -+ -+done: -+ mutex_unlock(&fiq_ipc.hdq_lock); -+ return ret; -+} -+EXPORT_SYMBOL_GPL(gta02hdq_write); -+ -+/* sysfs */ -+ -+static ssize_t hdq_sysfs_dump(struct device *dev, struct device_attribute *attr, -+ char *buf) -+{ -+ int n; -+ int v; -+ u8 u8a[128]; /* whole address space for HDQ */ -+ char *end = buf; -+ -+ /* the dump does not take care about 16 bit regs, because at this -+ * bus level we don't know about the chip details -+ */ -+ for (n = 0; n < sizeof(u8a); n++) { -+ v = gta02hdq_read(n); -+ if (v < 0) -+ goto bail; -+ u8a[n] = v; -+ } -+ -+ for (n = 0; n < sizeof(u8a); n += 16) { -+ hex_dump_to_buffer(u8a + n, sizeof(u8a), 16, 1, end, 4096, 0); -+ end += strlen(end); -+ *end++ = '\n'; -+ *end = '\0'; -+ } -+ return (end - buf); -+ -+bail: -+ return sprintf(buf, "ERROR %d\n", v); -+} -+ -+/* you write by <address> <data>, eg, "34 128" */ -+ -+#define atoi(str) simple_strtoul(((str != NULL) ? str : ""), NULL, 0) -+ -+static ssize_t hdq_sysfs_write(struct device *dev, -+ struct device_attribute *attr, -+ const char *buf, size_t count) -+{ -+ const char *end = buf + count; -+ int address = atoi(buf); -+ -+ while ((buf != end) && (*buf != ' ')) -+ buf++; -+ if (buf >= end) -+ return 0; -+ while ((buf < end) && (*buf == ' ')) -+ buf++; -+ if (buf >= end) -+ return 0; -+ -+ gta02hdq_write(address, atoi(buf)); -+ -+ return count; -+} -+ -+static DEVICE_ATTR(dump, 0400, hdq_sysfs_dump, NULL); -+static DEVICE_ATTR(write, 0600, NULL, hdq_sysfs_write); -+ -+static struct attribute *gta02hdq_sysfs_entries[] = { -+ &dev_attr_dump.attr, -+ &dev_attr_write.attr, -+ NULL -+}; -+ -+static struct attribute_group gta02hdq_attr_group = { -+ .name = "hdq", -+ .attrs = gta02hdq_sysfs_entries, -+}; -+ -+ -+#ifdef CONFIG_PM -+static int gta02hdq_suspend(struct platform_device *pdev, pm_message_t state) -+{ -+ /* after 18s of this, the battery monitor will also go to sleep */ -+ s3c2410_gpio_setpin(fiq_ipc.hdq_gpio_pin, 0); -+ s3c2410_gpio_cfgpin(fiq_ipc.hdq_gpio_pin, S3C2410_GPIO_OUTPUT); -+ return 0; -+} -+ -+static int gta02hdq_resume(struct platform_device *pdev) -+{ -+ s3c2410_gpio_setpin(fiq_ipc.hdq_gpio_pin, 1); -+ s3c2410_gpio_cfgpin(fiq_ipc.hdq_gpio_pin, S3C2410_GPIO_OUTPUT); -+ return 0; -+} -+#endif -+ -+static int __init gta02hdq_probe(struct platform_device *pdev) -+{ -+ struct resource *r = platform_get_resource(pdev, 0, 0); -+ -+ if (!machine_is_neo1973_gta02()) -+ return -EIO; -+ -+ if (!r) -+ return -EINVAL; -+ -+ platform_set_drvdata(pdev, NULL); -+ -+ mutex_init(&fiq_ipc.hdq_lock); -+ -+ /* set our HDQ comms pin from the platform data */ -+ fiq_ipc.hdq_gpio_pin = r->start; -+ -+ s3c2410_gpio_setpin(fiq_ipc.hdq_gpio_pin, 1); -+ s3c2410_gpio_cfgpin(fiq_ipc.hdq_gpio_pin, S3C2410_GPIO_OUTPUT); -+ -+ fiq_ipc.hdq_probed = 1; /* we are ready to do stuff now */ -+ -+ return sysfs_create_group(&pdev->dev.kobj, >a02hdq_attr_group); -+} -+ -+static int gta02hdq_remove(struct platform_device *pdev) -+{ -+ sysfs_remove_group(&pdev->dev.kobj, >a02hdq_attr_group); -+ return 0; -+} -+ -+static struct platform_driver gta02hdq_driver = { -+ .probe = gta02hdq_probe, -+ .remove = gta02hdq_remove, -+#ifdef CONFIG_PM -+ .suspend = gta02hdq_suspend, -+ .resume = gta02hdq_resume, -+#endif -+ .driver = { -+ .name = "gta02-hdq", -+ }, -+}; -+ -+static int __init gta02hdq_init(void) -+{ -+ return platform_driver_register(>a02hdq_driver); -+} -+ -+static void __exit gta02hdq_exit(void) -+{ -+ platform_driver_unregister(>a02hdq_driver); -+} -+ -+module_init(gta02hdq_init); -+module_exit(gta02hdq_exit); -+ -+MODULE_AUTHOR("Andy Green <andy@openmoko.com>"); -+MODULE_DESCRIPTION("GTA02 HDQ driver"); -+MODULE_LICENSE("GPL"); -diff --git a/include/asm-arm/arch-s3c2410/fiq_ipc_gta02.h b/include/asm-arm/arch-s3c2410/fiq_ipc_gta02.h -index 507d235..c5eb3df 100644 ---- a/include/asm-arm/arch-s3c2410/fiq_ipc_gta02.h -+++ b/include/asm-arm/arch-s3c2410/fiq_ipc_gta02.h -@@ -19,12 +19,35 @@ - #include <asm/arch/pwm.h> - #include <asm/plat-s3c/regs-timer.h> - -+enum hdq_bitbang_states { -+ HDQB_IDLE = 0, -+ HDQB_TX_BREAK, -+ HDQB_TX_BREAK_RECOVERY, -+ HDQB_ADS_CALC, -+ HDQB_ADS_LOW, -+ HDQB_ADS_HIGH, -+ HDQB_WAIT_RX, -+ HDQB_DATA_RX_LOW, -+ HDQB_DATA_RX_HIGH, -+ HDQB_WAIT_TX, -+}; - - struct fiq_ipc { - /* vibrator */ - unsigned long vib_gpio_pin; /* which pin to meddle with */ - u8 vib_pwm; /* 0 = OFF -- will ensure GPIO deasserted and stop FIQ */ - u8 vib_pwm_latched; -+ -+ /* hdq */ -+ u8 hdq_probed; /* nonzero after HDQ driver probed */ -+ struct mutex hdq_lock; /* if you want to use hdq, you have to take lock */ -+ unsigned long hdq_gpio_pin; /* GTA02 = GPD14 which pin to meddle with */ -+ u8 hdq_ads; /* b7..b6 = register address, b0 = r/w */ -+ u8 hdq_tx_data; /* data to tx for write action */ -+ u8 hdq_rx_data; /* data received in read action */ -+ u8 hdq_request_ctr; /* incremented by "user" to request a transfer */ -+ u8 hdq_transaction_ctr; /* incremented after each transfer */ -+ u8 hdq_error; /* 0 = no error */ - }; - - /* actual definition lives in arch/arm/mach-s3c2440/fiq_c_isr.c */ -diff --git a/include/asm-arm/arch-s3c2410/gta02.h b/include/asm-arm/arch-s3c2410/gta02.h -index fa49d93..f686a7a 100644 ---- a/include/asm-arm/arch-s3c2410/gta02.h -+++ b/include/asm-arm/arch-s3c2410/gta02.h -@@ -37,6 +37,7 @@ - - #define GTA02v3_GPIO_nG1_CS S3C2410_GPD12 /* v3 + v4 only */ - #define GTA02v3_GPIO_nG2_CS S3C2410_GPD13 /* v3 + v4 only */ -+#define GTA02v5_GPIO_HDQ S3C2410_GPD14 /* v5 + */ - - #define GTA02_GPIO_nG1_INT S3C2410_GPF0 - #define GTA02_GPIO_IO1 S3C2410_GPF1 -diff --git a/include/linux/gta02_hdq.h b/include/linux/gta02_hdq.h -new file mode 100644 -index 0000000..2f43a62 ---- /dev/null -+++ b/include/linux/gta02_hdq.h -@@ -0,0 +1,8 @@ -+#ifndef __GTA02HDQ_H__ -+#define __GTA02HDQ_H__ -+ -+int gta02hdq_read(int address); -+int gta02hdq_write(int address, u8 data); -+int gta02hdq_initialized(void); -+ -+#endif --- -1.5.6.3 - |