diff options
author | mirko <mirko@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-12-13 01:54:56 +0000 |
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committer | mirko <mirko@3c298f89-4303-0410-b956-a3cf2f4a3e73> | 2008-12-13 01:54:56 +0000 |
commit | a95f9f92e2953d5829a29e95644dc4c4bc93f590 (patch) | |
tree | 01f2bf78edb2e3bb1466df9bca72e068632d0e74 /target/linux/s3c24xx/patches-2.6.26/1006-gta01-pcf50606.patch.patch | |
parent | 9fa649271dbc9c83417488203aeb1668a0238c54 (diff) |
change prefix for kernelpatchbase 2.6.26
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@13619 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/s3c24xx/patches-2.6.26/1006-gta01-pcf50606.patch.patch')
-rwxr-xr-x | target/linux/s3c24xx/patches-2.6.26/1006-gta01-pcf50606.patch.patch | 2443 |
1 files changed, 2443 insertions, 0 deletions
diff --git a/target/linux/s3c24xx/patches-2.6.26/1006-gta01-pcf50606.patch.patch b/target/linux/s3c24xx/patches-2.6.26/1006-gta01-pcf50606.patch.patch new file mode 100755 index 000000000..6b99dfb9a --- /dev/null +++ b/target/linux/s3c24xx/patches-2.6.26/1006-gta01-pcf50606.patch.patch @@ -0,0 +1,2443 @@ +From cb7ab7ce6ad690be5f71bde73a9369d3640985e8 Mon Sep 17 00:00:00 2001 +From: mokopatches <mokopatches@openmoko.org> +Date: Wed, 16 Jul 2008 14:44:11 +0100 +Subject: [PATCH] gta01-pcf50606.patch + This is a NXP PCF50606 power management unit driver. + +The PCF50606 is used in the FIC/OpenMoko Neo1973 GTA01 GSM phone. + +Signed-off-by: Harald Welte <laforge@openmoko.org> +--- + drivers/i2c/chips/Kconfig | 11 + + drivers/i2c/chips/Makefile | 1 + + drivers/i2c/chips/pcf50606.c | 1945 ++++++++++++++++++++++++++++++++++++++++++ + drivers/i2c/chips/pcf50606.h | 302 +++++++ + include/linux/i2c-id.h | 1 + + include/linux/pcf50606.h | 108 +++ + 6 files changed, 2368 insertions(+), 0 deletions(-) + create mode 100644 drivers/i2c/chips/pcf50606.c + create mode 100644 drivers/i2c/chips/pcf50606.h + create mode 100644 include/linux/pcf50606.h + +diff --git a/drivers/i2c/chips/Kconfig b/drivers/i2c/chips/Kconfig +index 2da2edf..e8e64aa 100644 +--- a/drivers/i2c/chips/Kconfig ++++ b/drivers/i2c/chips/Kconfig +@@ -25,6 +25,17 @@ config SENSORS_EEPROM + This driver can also be built as a module. If so, the module + will be called eeprom. + ++config SENSORS_PCF50606 ++ tristate "Philips/NXP PCF50606" ++ depends on I2C ++ help ++ If you say yes here you get support for Philips/NXP PCF50606 ++ PMU (Power Management Unit) chips. ++ ++ This driver can also be built as a module. If so, the module ++ will be called pcf50606. ++ ++ + config SENSORS_PCF8574 + tristate "Philips PCF8574 and PCF8574A" + depends on EXPERIMENTAL +diff --git a/drivers/i2c/chips/Makefile b/drivers/i2c/chips/Makefile +index e47aca0..60d3d5a 100644 +--- a/drivers/i2c/chips/Makefile ++++ b/drivers/i2c/chips/Makefile +@@ -13,6 +13,7 @@ obj-$(CONFIG_DS1682) += ds1682.o + obj-$(CONFIG_SENSORS_EEPROM) += eeprom.o + obj-$(CONFIG_SENSORS_MAX6875) += max6875.o + obj-$(CONFIG_SENSORS_PCA9539) += pca9539.o ++obj-$(CONFIG_SENSORS_PCF50606) += pcf50606.o + obj-$(CONFIG_SENSORS_PCF8574) += pcf8574.o + obj-$(CONFIG_PCF8575) += pcf8575.o + obj-$(CONFIG_SENSORS_PCF8591) += pcf8591.o +diff --git a/drivers/i2c/chips/pcf50606.c b/drivers/i2c/chips/pcf50606.c +new file mode 100644 +index 0000000..6626c68 +--- /dev/null ++++ b/drivers/i2c/chips/pcf50606.c +@@ -0,0 +1,1945 @@ ++/* Philips/NXP PCF50606 Power Management Unit (PMU) driver ++ * ++ * (C) 2006-2007 by OpenMoko, Inc. ++ * Authors: Harald Welte <laforge@openmoko.org>, ++ * Matt Hsu <matt@openmoko.org> ++ * 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 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; if not, write to the Free Software ++ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, ++ * MA 02111-1307 USA ++ * ++ * This driver is a monster ;) It provides the following features ++ * - voltage control for a dozen different voltage domains ++ * - charging control for main and backup battery ++ * - rtc / alarm ++ * - watchdog ++ * - adc driver (hw_sensors like) ++ * - pwm driver ++ * - backlight ++ * ++ */ ++ ++#include <linux/module.h> ++#include <linux/init.h> ++#include <linux/i2c.h> ++#include <linux/types.h> ++#include <linux/interrupt.h> ++#include <linux/irq.h> ++#include <linux/workqueue.h> ++#include <linux/rtc.h> ++#include <linux/bcd.h> ++#include <linux/watchdog.h> ++#include <linux/miscdevice.h> ++#include <linux/input.h> ++#include <linux/fb.h> ++#include <linux/backlight.h> ++#include <linux/sched.h> ++#include <linux/platform_device.h> ++#include <linux/pcf50606.h> ++#include <linux/apm-emulation.h> ++ ++#include <asm/mach-types.h> ++#include <asm/arch/gta01.h> ++ ++#include "pcf50606.h" ++ ++/* we use dev_dbg() throughout the code, but sometimes don't want to ++ * write an entire line of debug related information. This DEBUGPC ++ * macro is a continuation for dev_dbg() */ ++#ifdef DEBUG ++#define DEBUGPC(x, args ...) printk(x, ## args) ++#else ++#define DEBUGPC(x, args ...) ++#endif ++ ++/*********************************************************************** ++ * Static data / structures ++ ***********************************************************************/ ++ ++static unsigned short normal_i2c[] = { 0x08, I2C_CLIENT_END }; ++ ++I2C_CLIENT_INSMOD_1(pcf50606); ++ ++#define PCF50606_F_CHG_FAST 0x00000001 /* Charger Fast allowed */ ++#define PCF50606_F_CHG_PRESENT 0x00000002 /* Charger present */ ++#define PCF50606_F_CHG_FOK 0x00000004 /* Fast OK for battery */ ++#define PCF50606_F_CHG_ERR 0x00000008 /* Charger Error */ ++#define PCF50606_F_CHG_PROT 0x00000010 /* Charger Protection */ ++#define PCF50606_F_CHG_READY 0x00000020 /* Charging completed */ ++#define PCF50606_F_CHG_MASK 0x000000fc ++ ++#define PCF50606_F_PWR_PRESSED 0x00000100 ++#define PCF50606_F_RTC_SECOND 0x00000200 ++ ++enum close_state { ++ CLOSE_STATE_NOT, ++ CLOSE_STATE_ALLOW = 0x2342, ++}; ++ ++struct pcf50606_data { ++ struct i2c_client client; ++ struct pcf50606_platform_data *pdata; ++ struct backlight_device *backlight; ++ struct mutex lock; ++ unsigned int flags; ++ unsigned int working; ++ struct mutex working_lock; ++ struct work_struct work; ++ struct rtc_device *rtc; ++ struct input_dev *input_dev; ++ int allow_close; ++ int onkey_seconds; ++ int irq; ++#ifdef CONFIG_PM ++ struct { ++ u_int8_t dcdc1, dcdc2; ++ u_int8_t dcdec1; ++ u_int8_t dcudc1; ++ u_int8_t ioregc; ++ u_int8_t d1regc1; ++ u_int8_t d2regc1; ++ u_int8_t d3regc1; ++ u_int8_t lpregc1; ++ u_int8_t adcc1, adcc2; ++ u_int8_t pwmc1; ++ u_int8_t int1m, int2m, int3m; ++ } standby_regs; ++#endif ++}; ++ ++static struct i2c_driver pcf50606_driver; ++ ++/* This is an ugly construct on how to access the (currently single/global) ++ * pcf50606 handle from other code in the kernel. I didn't really come up with ++ * a more decent method of dynamically resolving this */ ++struct pcf50606_data *pcf50606_global; ++EXPORT_SYMBOL_GPL(pcf50606_global); ++ ++static struct platform_device *pcf50606_pdev; ++ ++/* This is a 10k, B=3370 NTC Thermistor -10..79 centigrade */ ++/* Table entries are offset by +0.5C so a properly rounded value is generated */ ++static const u_int16_t ntc_table_10k_3370B[] = { ++ /* -10 */ ++ 43888, 41819, 39862, 38010, 36257, 34596, 33024, 31534, 30121, 28781, ++ 27510, 26304, 25159, 24071, 23038, 22056, 21122, 20234, 19390, 18586, ++ 17821, 17093, 16399, 15738, 15107, 14506, 13933, 13387, 12865, 12367, ++ 11891, 11437, 11003, 10588, 10192, 9813, 9450, 9103, 8771, 8453, ++ 8149, 7857, 7578, 7310, 7054, 6808, 6572, 6346, 6129, 5920, ++ 5720, 5528, 5344, 5167, 4996, 4833, 4675, 4524, 4379, 4239, ++ 4104, 3975, 3850, 3730, 3614, 3503, 3396, 3292, 3193, 3097, ++ 3004, 2915, 2829, 2745, 2665, 2588, 2513, 2441, 2371, 2304, ++ 2239, 2176, 2116, 2057, 2000, 1945, 1892, 1841, 1791, 1743, ++}; ++ ++ ++/*********************************************************************** ++ * Low-Level routines ++ ***********************************************************************/ ++ ++static inline int __reg_write(struct pcf50606_data *pcf, u_int8_t reg, ++ u_int8_t val) ++{ ++ return i2c_smbus_write_byte_data(&pcf->client, reg, val); ++} ++ ++static int reg_write(struct pcf50606_data *pcf, u_int8_t reg, u_int8_t val) ++{ ++ int ret; ++ ++ mutex_lock(&pcf->lock); ++ ret = __reg_write(pcf, reg, val); ++ mutex_unlock(&pcf->lock); ++ ++ return ret; ++} ++ ++static inline int32_t __reg_read(struct pcf50606_data *pcf, u_int8_t reg) ++{ ++ int32_t ret; ++ ++ ret = i2c_smbus_read_byte_data(&pcf->client, reg); ++ ++ return ret; ++} ++ ++static u_int8_t reg_read(struct pcf50606_data *pcf, u_int8_t reg) ++{ ++ int32_t ret; ++ ++ mutex_lock(&pcf->lock); ++ ret = __reg_read(pcf, reg); ++ mutex_unlock(&pcf->lock); ++ ++ return ret & 0xff; ++} ++ ++static int reg_set_bit_mask(struct pcf50606_data *pcf, ++ u_int8_t reg, u_int8_t mask, u_int8_t val) ++{ ++ int ret; ++ u_int8_t tmp; ++ ++ val &= mask; ++ ++ mutex_lock(&pcf->lock); ++ ++ tmp = __reg_read(pcf, reg); ++ tmp &= ~mask; ++ tmp |= val; ++ ret = __reg_write(pcf, reg, tmp); ++ ++ mutex_unlock(&pcf->lock); ++ ++ return ret; ++} ++ ++static int reg_clear_bits(struct pcf50606_data *pcf, u_int8_t reg, u_int8_t val) ++{ ++ int ret; ++ u_int8_t tmp; ++ ++ mutex_lock(&pcf->lock); ++ ++ tmp = __reg_read(pcf, reg); ++ tmp &= ~val; ++ ret = __reg_write(pcf, reg, tmp); ++ ++ mutex_unlock(&pcf->lock); ++ ++ return ret; ++} ++ ++/* synchronously read one ADC channel (busy-wait for result to be complete) */ ++static u_int16_t adc_read(struct pcf50606_data *pcf, int channel, ++ u_int16_t *data2) ++{ ++ u_int8_t adcs2, adcs1; ++ u_int16_t ret; ++ ++ dev_dbg(&pcf->client.dev, "entering (pcf=%p, channel=%u, data2=%p)\n", ++ pcf, channel, data2); ++ ++ channel &= PCF50606_ADCC2_ADCMUX_MASK; ++ ++ mutex_lock(&pcf->lock); ++ ++ /* start ADC conversion of selected channel */ ++ __reg_write(pcf, PCF50606_REG_ADCC2, channel | ++ PCF50606_ADCC2_ADCSTART | PCF50606_ADCC2_RES_10BIT); ++ ++ do { ++ adcs2 = __reg_read(pcf, PCF50606_REG_ADCS2); ++ } while (!(adcs2 & PCF50606_ADCS2_ADCRDY)); ++ ++ adcs1 = __reg_read(pcf, PCF50606_REG_ADCS1); ++ ret = (adcs1 << 2) | (adcs2 & 0x03); ++ ++ if (data2) { ++ adcs1 = __reg_read(pcf, PCF50606_REG_ADCS3); ++ *data2 = (adcs1 << 2) | ((adcs2 & 0x0c) >> 2); ++ } ++ ++ mutex_unlock(&pcf->lock); ++ ++ dev_dbg(&pcf->client.dev, "returning %u %u\n", ret, ++ data2 ? *data2 : 0); ++ ++ return ret; ++} ++ ++/*********************************************************************** ++ * Voltage / ADC ++ ***********************************************************************/ ++ ++static u_int8_t dcudc_voltage(unsigned int millivolts) ++{ ++ if (millivolts < 900) ++ return 0; ++ if (millivolts > 5500) ++ return 0x1f; ++ if (millivolts <= 3300) { ++ millivolts -= 900; ++ return millivolts/300; ++ } ++ if (millivolts < 4000) ++ return 0x0f; ++ else { ++ millivolts -= 4000; ++ return millivolts/100; ++ } ++} ++ ++static unsigned int dcudc_2voltage(u_int8_t bits) ++{ ++ bits &= 0x1f; ++ if (bits < 0x08) ++ return 900 + bits * 300; ++ else if (bits < 0x10) ++ return 3300; ++ else ++ return 4000 + bits * 100; ++} ++ ++static u_int8_t dcdec_voltage(unsigned int millivolts) ++{ ++ if (millivolts < 900) ++ return 0; ++ else if (millivolts > 3300) ++ return 0x0f; ++ ++ millivolts -= 900; ++ return millivolts/300; ++} ++ ++static unsigned int dcdec_2voltage(u_int8_t bits) ++{ ++ bits &= 0x0f; ++ return 900 + bits*300; ++} ++ ++static u_int8_t dcdc_voltage(unsigned int millivolts) ++{ ++ if (millivolts < 900) ++ return 0; ++ else if (millivolts > 3600) ++ return 0x1f; ++ ++ if (millivolts < 1500) { ++ millivolts -= 900; ++ return millivolts/25; ++ } else { ++ millivolts -= 1500; ++ return 0x18 + millivolts/300; ++ } ++} ++ ++static unsigned int dcdc_2voltage(u_int8_t bits) ++{ ++ bits &= 0x1f; ++ if ((bits & 0x18) == 0x18) ++ return 1500 + ((bits & 0x7) * 300); ++ else ++ return 900 + (bits * 25); ++} ++ ++static u_int8_t dx_voltage(unsigned int millivolts) ++{ ++ if (millivolts < 900) ++ return 0; ++ else if (millivolts > 3300) ++ return 0x18; ++ ++ millivolts -= 900; ++ return millivolts/100; ++} ++ ++static unsigned int dx_2voltage(u_int8_t bits) ++{ ++ bits &= 0x1f; ++ return 900 + (bits * 100); ++} ++ ++static const u_int8_t regulator_registers[__NUM_PCF50606_REGULATORS] = { ++ [PCF50606_REGULATOR_DCD] = PCF50606_REG_DCDC1, ++ [PCF50606_REGULATOR_DCDE] = PCF50606_REG_DCDEC1, ++ [PCF50606_REGULATOR_DCUD] = PCF50606_REG_DCUDC1, ++ [PCF50606_REGULATOR_D1REG] = PCF50606_REG_D1REGC1, ++ [PCF50606_REGULATOR_D2REG] = PCF50606_REG_D2REGC1, ++ [PCF50606_REGULATOR_D3REG] = PCF50606_REG_D3REGC1, ++ [PCF50606_REGULATOR_LPREG] = PCF50606_REG_LPREGC1, ++ [PCF50606_REGULATOR_IOREG] = PCF50606_REG_IOREGC, ++}; ++ ++int pcf50606_onoff_set(struct pcf50606_data *pcf, ++ enum pcf50606_regulator_id reg, int on) ++{ ++ u_int8_t addr; ++ ++ if (reg >= __NUM_PCF50606_REGULATORS) ++ return -EINVAL; ++ ++ /* IOREG cannot be powered off since it powers the PMU I2C */ ++ if (reg == PCF50606_REGULATOR_IOREG) ++ return -EIO; ++ ++ addr = regulator_registers[reg]; ++ ++ if (on == 0) ++ reg_set_bit_mask(pcf, addr, 0xe0, 0x00); ++ else ++ reg_set_bit_mask(pcf, addr, 0xe0, 0xe0); ++ ++ return 0; ++} ++EXPORT_SYMBOL_GPL(pcf50606_onoff_set); ++ ++int pcf50606_onoff_get(struct pcf50606_data *pcf, ++ enum pcf50606_regulator_id reg) ++{ ++ u_int8_t val, addr; ++ ++ if (reg >= __NUM_PCF50606_REGULATORS) ++ return -EINVAL; ++ ++ addr = regulator_registers[reg]; ++ val = (reg_read(pcf, addr) & 0xe0) >> 5; ++ ++ /* PWREN1 = 1, PWREN2 = 1, see table 16 of datasheet */ ++ switch (val) { ++ case 0: ++ case 5: ++ return 0; ++ default: ++ return 1; ++ } ++} ++EXPORT_SYMBOL_GPL(pcf50606_onoff_get); ++ ++int pcf50606_voltage_set(struct pcf50606_data *pcf, ++ enum pcf50606_regulator_id reg, ++ unsigned int millivolts) ++{ ++ u_int8_t volt_bits; ++ u_int8_t regnr; ++ int rc; ++ ++ dev_dbg(&pcf->client.dev, "pcf=%p, reg=%d, mvolts=%d\n", pcf, reg, ++ millivolts); ++ ++ if (reg >= __NUM_PCF50606_REGULATORS) ++ return -EINVAL; ++ ++ if (millivolts > pcf->pdata->rails[reg].voltage.max) ++ return -EINVAL; ++ ++ switch (reg) { ++ case PCF50606_REGULATOR_DCD: ++ volt_bits = dcdc_voltage(millivolts); ++ rc = reg_set_bit_mask(pcf, PCF50606_REG_DCDC1, 0x1f, ++ volt_bits); ++ break; ++ case PCF50606_REGULATOR_DCDE: ++ volt_bits = dcdec_voltage(millivolts); ++ rc = reg_set_bit_mask(pcf, PCF50606_REG_DCDEC1, 0x0f, ++ volt_bits); ++ break; ++ case PCF50606_REGULATOR_DCUD: ++ volt_bits = dcudc_voltage(millivolts); ++ rc = reg_set_bit_mask(pcf, PCF50606_REG_DCUDC1, 0x1f, ++ volt_bits); ++ break; ++ case PCF50606_REGULATOR_D1REG: ++ case PCF50606_REGULATOR_D2REG: ++ case PCF50606_REGULATOR_D3REG: ++ regnr = PCF50606_REG_D1REGC1 + (reg - PCF50606_REGULATOR_D1REG); ++ volt_bits = dx_voltage(millivolts); ++ rc = reg_set_bit_mask(pcf, regnr, 0x1f, volt_bits); ++ break; ++ case PCF50606_REGULATOR_LPREG: ++ volt_bits = dx_voltage(millivolts); ++ rc = reg_set_bit_mask(pcf, PCF50606_REG_LPREGC1, 0x1f, ++ volt_bits); ++ break; ++ case PCF50606_REGULATOR_IOREG: ++ if (millivolts < 1800) ++ return -EINVAL; ++ volt_bits = dx_voltage(millivolts); ++ rc = reg_set_bit_mask(pcf, PCF50606_REG_IOREGC, 0x1f, ++ volt_bits); ++ break; ++ default: ++ return -EINVAL; ++ } ++ ++ return rc; ++} ++EXPORT_SYMBOL_GPL(pcf50606_voltage_set); ++ ++unsigned int pcf50606_voltage_get(struct pcf50606_data *pcf, ++ enum pcf50606_regulator_id reg) ++{ ++ u_int8_t volt_bits; ++ u_int8_t regnr; ++ unsigned int rc = 0; ++ ++ if (reg >= __NUM_PCF50606_REGULATORS) ++ return -EINVAL; ++ ++ switch (reg) { ++ case PCF50606_REGULATOR_DCD: ++ volt_bits = reg_read(pcf, PCF50606_REG_DCDC1) & 0x1f; ++ rc = dcdc_2voltage(volt_bits); ++ break; ++ case PCF50606_REGULATOR_DCDE: ++ volt_bits = reg_read(pcf, PCF50606_REG_DCDEC1) & 0x0f; ++ rc = dcdec_2voltage(volt_bits); ++ break; ++ case PCF50606_REGULATOR_DCUD: ++ volt_bits = reg_read(pcf, PCF50606_REG_DCUDC1) & 0x1f; ++ rc = dcudc_2voltage(volt_bits); ++ break; ++ case PCF50606_REGULATOR_D1REG: ++ case PCF50606_REGULATOR_D2REG: ++ case PCF50606_REGULATOR_D3REG: ++ regnr = PCF50606_REG_D1REGC1 + (reg - PCF50606_REGULATOR_D1REG); ++ volt_bits = reg_read(pcf, regnr) & 0x1f; ++ if (volt_bits > 0x18) ++ volt_bits = 0x18; ++ rc = dx_2voltage(volt_bits); ++ break; ++ case PCF50606_REGULATOR_LPREG: ++ volt_bits = reg_read(pcf, PCF50606_REG_LPREGC1) & 0x1f; ++ if (volt_bits > 0x18) ++ volt_bits = 0x18; ++ rc = dx_2voltage(volt_bits); ++ break; ++ case PCF50606_REGULATOR_IOREG: ++ volt_bits = reg_read(pcf, PCF50606_REG_IOREGC) & 0x1f; ++ if (volt_bits > 0x18) ++ volt_bits = 0x18; ++ rc = dx_2voltage(volt_bits); ++ break; ++ default: ++ return -EINVAL; ++ } ++ ++ return rc; ++} ++EXPORT_SYMBOL_GPL(pcf50606_voltage_get); ++ ++/* go into 'STANDBY' mode, i.e. power off the main CPU and peripherals */ ++void pcf50606_go_standby(void) ++{ ++ reg_write(pcf50606_global, PCF50606_REG_OOCC1, ++ PCF50606_OOCC1_GOSTDBY); ++} ++EXPORT_SYMBOL_GPL(pcf50606_go_standby); ++ ++void pcf50606_gpo0_set(struct pcf50606_data *pcf, int on) ++{ ++ u_int8_t val; ++ ++ if (on) ++ val = 0x07; ++ else ++ val = 0x0f; ++ ++ reg_set_bit_mask(pcf, PCF50606_REG_GPOC1, 0x0f, val); ++} ++EXPORT_SYMBOL_GPL(pcf50606_gpo0_set); ++ ++int pcf50606_gpo0_get(struct pcf50606_data *pcf) ++{ ++ u_int8_t reg = reg_read(pcf, PCF50606_REG_GPOC1) & 0x0f; ++ ++ if (reg == 0x07 || reg == 0x08) ++ return 1; ++ ++ return 0; ++} ++EXPORT_SYMBOL_GPL(pcf50606_gpo0_get); ++ ++static void pcf50606_work(struct work_struct *work) ++{ ++ struct pcf50606_data *pcf = ++ container_of(work, struct pcf50606_data, work); ++ u_int8_t pcfirq[3]; ++ int ret; ++ ++ mutex_lock(&pcf->working_lock); ++ pcf->working = 1; ++ /* ++ * p35 pcf50606 datasheet rev 2.2: ++ * ''The system controller shall read all interrupt registers in ++ * one I2C read action'' ++ * because if you don't INT# gets stuck asserted forever after a ++ * while ++ */ ++ ret = i2c_smbus_read_i2c_block_data(&pcf->client, PCF50606_REG_INT1, 3, ++ pcfirq); ++ if (ret != 3) ++ DEBUGPC("Oh crap PMU IRQ register read failed %d\n", ret); ++ ++ dev_dbg(&pcf->client.dev, "INT1=0x%02x INT2=0x%02x INT3=0x%02x:", ++ pcfirq[0], pcfirq[1], pcfirq[2]); ++ ++ if (pcfirq[0] & PCF50606_INT1_ONKEYF) { ++ /* ONKEY falling edge (start of button press) */ ++ DEBUGPC("ONKEYF "); ++ pcf->flags |= PCF50606_F_PWR_PRESSED; ++ input_report_key(pcf->input_dev, KEY_POWER, 1); ++ } ++ if (pcfirq[0] & PCF50606_INT1_ONKEY1S) { ++ /* ONKEY pressed for more than 1 second */ ++ pcf->onkey_seconds = 0; ++ DEBUGPC("ONKEY1S "); ++ /* Tell PMU we are taking care of this */ ++ reg_set_bit_mask(pcf, PCF50606_REG_OOCC1, ++ PCF50606_OOCC1_TOTRST, ++ PCF50606_OOCC1_TOTRST); ++ /* enable SECOND interrupt (hz tick) */ ++ reg_clear_bits(pcf, PCF50606_REG_INT1M, PCF50606_INT1_SECOND); ++ } ++ if (pcfirq[0] & PCF50606_INT1_ONKEYR) { ++ /* ONKEY rising edge (end of button press) */ ++ DEBUGPC("ONKEYR "); ++ pcf->flags &= ~PCF50606_F_PWR_PRESSED; ++ pcf->onkey_seconds = -1; ++ input_report_key(pcf->input_dev, KEY_POWER, 0); ++ /* disable SECOND interrupt in case RTC didn't ++ * request it */ ++ if (!(pcf->flags & PCF50606_F_RTC_SECOND)) ++ reg_set_bit_mask(pcf, PCF50606_REG_INT1M, ++ PCF50606_INT1_SECOND, ++ PCF50606_INT1_SECOND); ++ } ++ if (pcfirq[0] & PCF50606_INT1_EXTONR) { ++ DEBUGPC("EXTONR "); ++ input_report_key(pcf->input_dev, KEY_POWER2, 1); ++ } ++ if (pcfirq[0] & PCF50606_INT1_EXTONF) { ++ DEBUGPC("EXTONF "); ++ input_report_key(pcf->input_dev, KEY_POWER2, 0); ++ } ++ if (pcfirq[0] & PCF50606_INT1_SECOND) { ++ DEBUGPC("SECOND "); ++ if (pcf->flags & PCF50606_F_RTC_SECOND) ++ rtc_update_irq(pcf->rtc, 1, ++ RTC_PF | RTC_IRQF); ++ ++ if (pcf->onkey_seconds >= 0 && ++ pcf->flags & PCF50606_F_PWR_PRESSED) { ++ DEBUGPC("ONKEY_SECONDS(%u, OOCC1=0x%02x) ", ++ pcf->onkey_seconds, ++ reg_read(pcf, PCF50606_REG_OOCC1)); ++ pcf->onkey_seconds++; ++ if (pcf->onkey_seconds >= ++ pcf->pdata->onkey_seconds_required) { ++ /* Ask init to do 'ctrlaltdel' */ ++ DEBUGPC("SIGINT(init) "); ++ kill_proc(1, SIGINT, 1); ++ /* FIXME: what to do if userspace doesn't ++ * shut down? Do we want to force it? */ ++ } ++ } ++ } ++ if (pcfirq[0] & PCF50606_INT1_ALARM) { ++ DEBUGPC("ALARM "); ++ if (pcf->pdata->used_features & PCF50606_FEAT_RTC) ++ rtc_update_irq(pcf->rtc, 1, ++ RTC_AF | RTC_IRQF); ++ } ++ ++ if (pcfirq[1] & PCF50606_INT2_CHGINS) { ++ /* Charger inserted */ ++ DEBUGPC("CHGINS "); ++ input_report_key(pcf->input_dev, KEY_BATTERY, 1); ++ apm_queue_event(APM_POWER_STATUS_CHANGE); ++ pcf->flags |= PCF50606_F_CHG_PRESENT; ++ if (pcf->pdata->cb) ++ pcf->pdata->cb(&pcf->client.dev, ++ PCF50606_FEAT_MBC, PMU_EVT_INSERT); ++ /* FIXME: how to signal this to userspace */ ++ } ++ if (pcfirq[1] & PCF50606_INT2_CHGRM) { ++ /* Charger removed */ ++ DEBUGPC("CHGRM "); ++ input_report_key(pcf->input_dev, KEY_BATTERY, 0); ++ apm_queue_event(APM_POWER_STATUS_CHANGE); ++ pcf->flags &= ~(PCF50606_F_CHG_MASK|PCF50606_F_CHG_PRESENT); ++ if (pcf->pdata->cb) ++ pcf->pdata->cb(&pcf->client.dev, ++ PCF50606_FEAT_MBC, PMU_EVT_INSERT); ++ /* FIXME: how signal this to userspace */ ++ } ++ if (pcfirq[1] & PCF50606_INT2_CHGFOK) { ++ /* Battery ready for fast charging */ ++ DEBUGPC("CHGFOK "); ++ pcf->flags |= PCF50606_F_CHG_FOK; ++ /* FIXME: how to signal this to userspace */ ++ } ++ if (pcfirq[1] & PCF50606_INT2_CHGERR) { ++ /* Error in charge mode */ ++ DEBUGPC("CHGERR "); ++ pcf->flags |= PCF50606_F_CHG_ERR; ++ pcf->flags &= ~(PCF50606_F_CHG_FOK|PCF50606_F_CHG_READY); ++ /* FIXME: how to signal this to userspace */ ++ } ++ if (pcfirq[1] & PCF50606_INT2_CHGFRDY) { ++ /* Fast charge completed */ ++ DEBUGPC("CHGFRDY "); ++ pcf->flags |= PCF50606_F_CHG_READY; ++ pcf->flags &= ~PCF50606_F_CHG_FOK; ++ /* FIXME: how to signal this to userspace */ ++ } ++ if (pcfirq[1] & PCF50606_INT2_CHGPROT) { ++ /* Charging protection interrupt */ ++ DEBUGPC("CHGPROT "); ++ pcf->flags &= ~(PCF50606_F_CHG_FOK|PCF50606_F_CHG_READY); ++ /* FIXME: signal this to userspace */ ++ } ++ if (pcfirq[1] & PCF50606_INT2_CHGWD10S) { ++ /* Charger watchdog will expire in 10 seconds */ ++ DEBUGPC("CHGWD10S "); ++ reg_set_bit_mask(pcf, PCF50606_REG_OOCC1, ++ PCF50606_OOCC1_WDTRST, ++ PCF50606_OOCC1_WDTRST); ++ } ++ if (pcfirq[1] & PCF50606_INT2_CHGWDEXP) { ++ /* Charger watchdog expires */ ++ DEBUGPC("CHGWDEXP "); ++ /* FIXME: how to signal this to userspace */ ++ } ++ ++ if (pcfirq[2] & PCF50606_INT3_ADCRDY) { ++ /* ADC result ready */ ++ DEBUGPC("ADCRDY "); ++ } ++ if (pcfirq[2] & PCF50606_INT3_ACDINS) { ++ /* Accessory insertion detected */ ++ DEBUGPC("ACDINS "); ++ if (pcf->pdata->cb) ++ pcf->pdata->cb(&pcf->client.dev, ++ PCF50606_FEAT_ACD, PMU_EVT_INSERT); ++ } ++ if (pcfirq[2] & PCF50606_INT3_ACDREM) { ++ /* Accessory removal detected */ ++ DEBUGPC("ACDREM "); ++ if (pcf->pdata->cb) ++ pcf->pdata->cb(&pcf->client.dev, ++ PCF50606_FEAT_ACD, PMU_EVT_REMOVE); ++ } ++ /* FIXME: TSCPRES */ ++ if (pcfirq[2] & PCF50606_INT3_LOWBAT) { ++ /* Really low battery voltage, we have 8 seconds left */ ++ DEBUGPC("LOWBAT "); ++ apm_queue_event(APM_LOW_BATTERY); ++ DEBUGPC("SIGPWR(init) "); ++ kill_proc(1, SIGPWR, 1); ++ /* Tell PMU we are taking care of this */ ++ reg_set_bit_mask(pcf, PCF50606_REG_OOCC1, ++ PCF50606_OOCC1_TOTRST, ++ PCF50606_OOCC1_TOTRST); ++ } ++ if (pcfirq[2] & PCF50606_INT3_HIGHTMP) { ++ /* High temperature */ ++ DEBUGPC("HIGHTMP "); ++ apm_queue_event(APM_CRITICAL_SUSPEND); ++ } ++ ++ DEBUGPC("\n"); ++ ++ pcf->working = 0; ++ input_sync(pcf->input_dev); ++ put_device(&pcf->client.dev); ++ mutex_unlock(&pcf->working_lock); ++} ++ ++static irqreturn_t pcf50606_irq(int irq, void *_pcf) ++{ ++ struct pcf50606_data *pcf = _pcf; ++ ++ dev_dbg(&pcf->client.dev, "entering(irq=%u, pcf=%p): scheduling work\n", ++ irq, _pcf); ++ get_device(&pcf->client.dev); ++ if (!schedule_work(&pcf->work) && !pcf->working) ++ dev_dbg(&pcf->client.dev, "work item may be lost\n"); ++ ++ return IRQ_HANDLED; ++} ++ ++static u_int16_t adc_to_batt_millivolts(u_int16_t adc) ++{ ++ u_int16_t mvolts; ++ ++ mvolts = (adc * 6000) / 1024; ++ ++ return mvolts; ++} ++ ++#define BATTVOLT_SCALE_START 2800 ++#define BATTVOLT_SCALE_END 4200 ++#define BATTVOLT_SCALE_DIVIDER ((BATTVOLT_SCALE_END - BATTVOLT_SCALE_START)/100) ++ ++static u_int8_t battvolt_scale(u_int16_t battvolt) ++{ ++ /* FIXME: this linear scale is completely bogus */ ++ u_int16_t battvolt_relative = battvolt - BATTVOLT_SCALE_START; ++ unsigned int percent = battvolt_relative / BATTVOLT_SCALE_DIVIDER; ++ ++ return percent; ++} ++ ++u_int16_t pcf50606_battvolt(struct pcf50606_data *pcf) ++{ ++ u_int16_t adc; ++ adc = adc_read(pcf, PCF50606_ADCMUX_BATVOLT_RES, NULL); ++ ++ return adc_to_batt_millivolts(adc); ++} ++EXPORT_SYMBOL_GPL(pcf50606_battvolt); ++ ++static ssize_t show_battvolt(struct device *dev, struct device_attribute *attr, ++ char *buf) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct pcf50606_data *pcf = i2c_get_clientdata(client); ++ ++ return sprintf(buf, "%u\n", pcf50606_battvolt(pcf)); ++} ++static DEVICE_ATTR(battvolt, S_IRUGO | S_IWUSR, show_battvolt, NULL); ++ ++static int reg_id_by_name(const char *name) ++{ ++ int reg_id; ++ ++ if (!strcmp(name, "voltage_dcd")) ++ reg_id = PCF50606_REGULATOR_DCD; ++ else if (!strcmp(name, "voltage_dcde")) ++ reg_id = PCF50606_REGULATOR_DCDE; ++ else if (!strcmp(name, "voltage_dcud")) ++ reg_id = PCF50606_REGULATOR_DCUD; ++ else if (!strcmp(name, "voltage_d1reg")) ++ reg_id = PCF50606_REGULATOR_D1REG; ++ else if (!strcmp(name, "voltage_d2reg")) ++ reg_id = PCF50606_REGULATOR_D2REG; ++ else if (!strcmp(name, "voltage_d3reg")) ++ reg_id = PCF50606_REGULATOR_D3REG; ++ else if (!strcmp(name, "voltage_lpreg")) ++ reg_id = PCF50606_REGULATOR_LPREG; ++ else if (!strcmp(name, "voltage_ioreg")) ++ reg_id = PCF50606_REGULATOR_IOREG; ++ else ++ reg_id = -1; ++ ++ return reg_id; ++} ++ ++static ssize_t show_vreg(struct device *dev, struct device_attribute *attr, ++ char *buf) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct pcf50606_data *pcf = i2c_get_clientdata(client); ++ unsigned int reg_id; ++ ++ reg_id = reg_id_by_name(attr->attr.name); ++ if (reg_id < 0) ++ return 0; ++ ++ if (pcf50606_onoff_get(pcf, reg_id) > 0) ++ return sprintf(buf, "%u\n", pcf50606_voltage_get(pcf, reg_id)); ++ else ++ return strlcpy(buf, "0\n", PAGE_SIZE); ++} ++ ++static ssize_t set_vreg(struct device *dev, struct device_attribute *attr, ++ const char *buf, size_t count) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct pcf50606_data *pcf = i2c_get_clientdata(client); ++ unsigned long mvolts = simple_strtoul(buf, NULL, 10); ++ unsigned int reg_id; ++ ++ reg_id = reg_id_by_name(attr->attr.name); ++ if (reg_id < 0) ++ return -EIO; ++ ++ dev_dbg(dev, "attempting to set %s(%d) to %lu mvolts\n", ++ attr->attr.name, reg_id, mvolts); ++ ++ if (mvolts == 0) { ++ pcf50606_onoff_set(pcf, reg_id, 0); ++ } else { ++ if (pcf50606_voltage_set(pcf, reg_id, mvolts) < 0) { ++ dev_warn(dev, "refusing to set %s(%d) to %lu mvolts " ++ "(max=%u)\n", attr->attr.name, reg_id, mvolts, ++ pcf->pdata->rails[reg_id].voltage.max); ++ return -EINVAL; ++ } ++ pcf50606_onoff_set(pcf, reg_id, 1); ++ } ++ ++ return count; ++} ++ ++static DEVICE_ATTR(voltage_dcd, S_IRUGO | S_IWUSR, show_vreg, set_vreg); ++static DEVICE_ATTR(voltage_dcde, S_IRUGO | S_IWUSR, show_vreg, set_vreg); ++static DEVICE_ATTR(voltage_dcud, S_IRUGO | S_IWUSR, show_vreg, set_vreg); ++static DEVICE_ATTR(voltage_d1reg, S_IRUGO | S_IWUSR, show_vreg, set_vreg); ++static DEVICE_ATTR(voltage_d2reg, S_IRUGO | S_IWUSR, show_vreg, set_vreg); ++static DEVICE_ATTR(voltage_d3reg, S_IRUGO | S_IWUSR, show_vreg, set_vreg); ++static DEVICE_ATTR(voltage_lpreg, S_IRUGO | S_IWUSR, show_vreg, set_vreg); ++static DEVICE_ATTR(voltage_ioreg, S_IRUGO | S_IWUSR, show_vreg, set_vreg); ++ ++/*********************************************************************** ++ * Charger Control ++ ***********************************************************************/ ++ ++/* Enable/disable fast charging (500mA in the GTA01) */ ++void pcf50606_charge_fast(struct pcf50606_data *pcf, int on) ++{ ++ if (!(pcf->pdata->used_features & PCF50606_FEAT_MBC)) ++ return; ++ ++ if (on) { ++ /* We can allow PCF to automatically charge ++ * using Ifast */ ++ pcf->flags |= PCF50606_F_CHG_FAST; ++ reg_set_bit_mask(pcf, PCF50606_REG_MBCC1, ++ PCF50606_MBCC1_AUTOFST, ++ PCF50606_MBCC1_AUTOFST); ++ } else { ++ pcf->flags &= ~PCF50606_F_CHG_FAST; ++ /* disable automatic fast-charge */ ++ reg_clear_bits(pcf, PCF50606_REG_MBCC1, ++ PCF50606_MBCC1_AUTOFST); ++ /* switch to idle mode to abort existing charge ++ * process */ ++ reg_set_bit_mask(pcf, PCF50606_REG_MBCC1, ++ PCF50606_MBCC1_CHGMOD_MASK, ++ PCF50606_MBCC1_CHGMOD_IDLE); ++ } ++} ++EXPORT_SYMBOL_GPL(pcf50606_charge_fast); ++ ++static inline u_int16_t adc_to_rntc(struct pcf50606_data *pcf, u_int16_t adc) ++{ ++ u_int32_t r_ntc = (adc * (u_int32_t)pcf->pdata->r_fix_batt) / (1023 - adc); ++ ++ return r_ntc; ++} ++ ++static inline int16_t rntc_to_temp(u_int16_t rntc) ++{ ++ int i; ++ ++ for (i = 0; i < ARRAY_SIZE(ntc_table_10k_3370B); i++) { ++ if (rntc > ntc_table_10k_3370B[i]) ++ return i - 10; /* First element is -10 */ ++ } ++ return -99; /* Below our range */ ++} ++ ++static ssize_t show_battemp(struct device *dev, struct device_attribute *attr, ++ char *buf) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct pcf50606_data *pcf = i2c_get_clientdata(client); ++ u_int16_t adc; ++ ++ adc = adc_read(pcf, PCF50606_ADCMUX_BATTEMP, NULL); ++ ++ return sprintf(buf, "%d\n", rntc_to_temp(adc_to_rntc(pcf, adc))); ++} ++static DEVICE_ATTR(battemp, S_IRUGO | S_IWUSR, show_battemp, NULL); ++ ++static inline int16_t adc_to_chg_milliamps(struct pcf50606_data *pcf, ++ u_int16_t adc_adcin1, ++ u_int16_t adc_batvolt) ++{ ++ int32_t res = (adc_adcin1 - adc_batvolt) * 2400; ++ return (res * 1000) / (pcf->pdata->r_sense_milli * 1024); ++} ++ ++static ssize_t show_chgcur(struct device *dev, struct device_attribute *attr, ++ char *buf) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct pcf50606_data *pcf = i2c_get_clientdata(client); ++ u_int16_t adc_batvolt, adc_adcin1; ++ int16_t ma; ++ ++ adc_batvolt = adc_read(pcf, PCF50606_ADCMUX_BATVOLT_ADCIN1, ++ &adc_adcin1); ++ ma = adc_to_chg_milliamps(pcf, adc_adcin1, adc_batvolt); ++ ++ return sprintf(buf, "%d\n", ma); ++} ++static DEVICE_ATTR(chgcur, S_IRUGO | S_IWUSR, show_chgcur, NULL); ++ ++static const char *chgmode_names[] = { ++ [PCF50606_MBCC1_CHGMOD_QUAL] = "qualification", ++ [PCF50606_MBCC1_CHGMOD_PRE] = "pre", ++ [PCF50606_MBCC1_CHGMOD_TRICKLE] = "trickle", ++ [PCF50606_MBCC1_CHGMOD_FAST_CCCV] = "fast_cccv", ++ [PCF50606_MBCC1_CHGMOD_FAST_NOCC] = "fast_nocc", ++ [PCF50606_MBCC1_CHGMOD_FAST_NOCV] = "fast_nocv", ++ [PCF50606_MBCC1_CHGMOD_FAST_SW] = "fast_switch", ++ [PCF50606_MBCC1_CHGMOD_IDLE] = "idle", ++}; ++ ++static ssize_t show_chgmode(struct device *dev, struct device_attribute *attr, ++ char *buf) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct pcf50606_data *pcf = i2c_get_clientdata(client); ++ u_int8_t mbcc1 = reg_read(pcf, PCF50606_REG_MBCC1); ++ u_int8_t chgmod = (mbcc1 & PCF50606_MBCC1_CHGMOD_MASK); ++ ++ return sprintf(buf, "%s\n", chgmode_names[chgmod]); ++} ++ ++static ssize_t set_chgmode(struct device *dev, struct device_attribute *attr, ++ const char *buf, size_t count) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct pcf50606_data *pcf = i2c_get_clientdata(client); ++ u_int8_t mbcc1 = reg_read(pcf, PCF50606_REG_MBCC1); ++ ++ mbcc1 &= ~PCF50606_MBCC1_CHGMOD_MASK; ++ ++ if (!strcmp(buf, "qualification")) ++ mbcc1 |= PCF50606_MBCC1_CHGMOD_QUAL; ++ else if (!strcmp(buf, "pre")) ++ mbcc1 |= PCF50606_MBCC1_CHGMOD_PRE; ++ else if (!strcmp(buf, "trickle")) ++ mbcc1 |= PCF50606_MBCC1_CHGMOD_TRICKLE; ++ else if (!strcmp(buf, "fast_cccv")) ++ mbcc1 |= PCF50606_MBCC1_CHGMOD_FAST_CCCV; ++ /* We don't allow the other fast modes for security reasons */ ++ else if (!strcmp(buf, "idle")) ++ mbcc1 |= PCF50606_MBCC1_CHGMOD_IDLE; ++ else ++ return -EINVAL; ++ ++ reg_write(pcf, PCF50606_REG_MBCC1, mbcc1); ++ ++ return count; ++} ++ ++static DEVICE_ATTR(chgmode, S_IRUGO | S_IWUSR, show_chgmode, set_chgmode); ++ ++static const char *chgstate_names[] = { ++ [PCF50606_F_CHG_FAST] = "fast_enabled", ++ [PCF50606_F_CHG_PRESENT] = "present", ++ [PCF50606_F_CHG_FOK] = "fast_ok", ++ [PCF50606_F_CHG_ERR] = "error", ++ [PCF50606_F_CHG_PROT] = "protection", ++ [PCF50606_F_CHG_READY] = "ready", ++}; ++ ++static ssize_t show_chgstate(struct device *dev, struct device_attribute *attr, ++ char *buf) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct pcf50606_data *pcf = i2c_get_clientdata(client); ++ char *b = buf; ++ int i; ++ ++ for (i = 0; i < 32; i++) ++ if (pcf->flags & (1 << i) && i < ARRAY_SIZE(chgstate_names)) ++ b += sprintf(b, "%s ", chgstate_names[i]); ++ ++ if (b > buf) ++ b += sprintf(b, "\n"); ++ ++ return b - buf; ++} ++static DEVICE_ATTR(chgstate, S_IRUGO | S_IWUSR, show_chgstate, NULL); ++ ++/*********************************************************************** ++ * APM emulation ++ ***********************************************************************/ ++ ++static void pcf50606_get_power_status(struct apm_power_info *info) ++{ ++ struct pcf50606_data *pcf = pcf50606_global; ++ u_int8_t mbcc1 = reg_read(pcf, PCF50606_REG_MBCC1); ++ u_int8_t chgmod = mbcc1 & PCF50606_MBCC1_CHGMOD_MASK; ++ u_int16_t battvolt = pcf50606_battvolt(pcf); ++ ++ if (reg_read(pcf, PCF50606_REG_OOCS) & PCF50606_OOCS_EXTON) ++ info->ac_line_status = APM_AC_ONLINE; ++ else ++ info->ac_line_status = APM_AC_OFFLINE; ++ ++ switch (chgmod) { ++ case PCF50606_MBCC1_CHGMOD_QUAL: ++ case PCF50606_MBCC1_CHGMOD_PRE: ++ case PCF50606_MBCC1_CHGMOD_IDLE: ++ info->battery_life = battvolt_scale(battvolt); ++ break; ++ default: ++ info->battery_status = APM_BATTERY_STATUS_CHARGING; ++ info->battery_flag = APM_BATTERY_FLAG_CHARGING; ++ break; ++ } ++} ++ ++/*********************************************************************** ++ * RTC ++ ***********************************************************************/ ++ ++struct pcf50606_time { ++ u_int8_t sec; ++ u_int8_t min; ++ u_int8_t hour; ++ u_int8_t wkday; ++ u_int8_t day; ++ u_int8_t month; ++ u_int8_t year; ++}; ++ ++static void pcf2rtc_time(struct rtc_time *rtc, struct pcf50606_time *pcf) ++{ ++ rtc->tm_sec = BCD2BIN(pcf->sec); ++ rtc->tm_min = BCD2BIN(pcf->min); ++ rtc->tm_hour = BCD2BIN(pcf->hour); ++ rtc->tm_wday = BCD2BIN(pcf->wkday); ++ rtc->tm_mday = BCD2BIN(pcf->day); ++ rtc->tm_mon = BCD2BIN(pcf->month); ++ rtc->tm_year = BCD2BIN(pcf->year) + 100; ++} ++ ++static void rtc2pcf_time(struct pcf50606_time *pcf, struct rtc_time *rtc) ++{ ++ pcf->sec = BIN2BCD(rtc->tm_sec); ++ pcf->min = BIN2BCD(rtc->tm_min); ++ pcf->hour = BIN2BCD(rtc->tm_hour); ++ pcf->wkday = BIN2BCD(rtc->tm_wday); ++ pcf->day = BIN2BCD(rtc->tm_mday); ++ pcf->month = BIN2BCD(rtc->tm_mon); ++ pcf->year = BIN2BCD(rtc->tm_year - 100); ++} ++ ++static int pcf50606_rtc_ioctl(struct device *dev, unsigned int cmd, ++ unsigned long arg) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct pcf50606_data *pcf = i2c_get_clientdata(client); ++ switch (cmd) { ++ case RTC_PIE_OFF: ++ /* disable periodic interrupt (hz tick) */ ++ pcf->flags &= ~PCF50606_F_RTC_SECOND; ++ reg_set_bit_mask(pcf, PCF50606_REG_INT1M, ++ PCF50606_INT1_SECOND, PCF50606_INT1_SECOND); ++ return 0; ++ case RTC_PIE_ON: ++ /* ensable periodic interrupt (hz tick) */ ++ pcf->flags |= PCF50606_F_RTC_SECOND; ++ reg_clear_bits(pcf, PCF50606_REG_INT1M, PCF50606_INT1_SECOND); ++ return 0; ++ } ++ return -ENOIOCTLCMD; ++} ++ ++static int pcf50606_rtc_read_time(struct device *dev, struct rtc_time *tm) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct pcf50606_data *pcf = i2c_get_clientdata(client); ++ struct pcf50606_time pcf_tm; ++ ++ mutex_lock(&pcf->lock); ++ pcf_tm.sec = __reg_read(pcf, PCF50606_REG_RTCSC); ++ pcf_tm.min = __reg_read(pcf, PCF50606_REG_RTCMN); ++ pcf_tm.hour = __reg_read(pcf, PCF50606_REG_RTCHR); ++ pcf_tm.wkday = __reg_read(pcf, PCF50606_REG_RTCWD); ++ pcf_tm.day = __reg_read(pcf, PCF50606_REG_RTCDT); ++ pcf_tm.month = __reg_read(pcf, PCF50606_REG_RTCMT); ++ pcf_tm.year = __reg_read(pcf, PCF50606_REG_RTCYR); ++ mutex_unlock(&pcf->lock); ++ ++ dev_dbg(dev, "PCF_TIME: %02x.%02x.%02x %02x:%02x:%02x\n", ++ pcf_tm.day, pcf_tm.month, pcf_tm.year, ++ pcf_tm.hour, pcf_tm.min, pcf_tm.sec); ++ ++ pcf2rtc_time(tm, &pcf_tm); ++ ++ dev_dbg(dev, "RTC_TIME: %u.%u.%u %u:%u:%u\n", ++ tm->tm_mday, tm->tm_mon, tm->tm_year, ++ tm->tm_hour, tm->tm_min, tm->tm_sec); ++ ++ return 0; ++} ++ ++static int pcf50606_rtc_set_time(struct device *dev, struct rtc_time *tm) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct pcf50606_data *pcf = i2c_get_clientdata(client); ++ struct pcf50606_time pcf_tm; ++ u_int8_t int1m; ++ ++ dev_dbg(dev, "RTC_TIME: %u.%u.%u %u:%u:%u\n", ++ tm->tm_mday, tm->tm_mon, tm->tm_year, ++ tm->tm_hour, tm->tm_min, tm->tm_sec); ++ rtc2pcf_time(&pcf_tm, tm); ++ dev_dbg(dev, "PCF_TIME: %02x.%02x.%02x %02x:%02x:%02x\n", ++ pcf_tm.day, pcf_tm.month, pcf_tm.year, ++ pcf_tm.hour, pcf_tm.min, pcf_tm.sec); ++ ++ mutex_lock(&pcf->lock); ++ ++ /* disable SECOND interrupt */ ++ int1m = __reg_read(pcf, PCF50606_REG_INT1M); ++ __reg_write(pcf, PCF50606_REG_INT1M, int1m | PCF50606_INT1_SECOND); ++ ++ __reg_write(pcf, PCF50606_REG_RTCSC, pcf_tm.sec); ++ __reg_write(pcf, PCF50606_REG_RTCMN, pcf_tm.min); ++ __reg_write(pcf, PCF50606_REG_RTCHR, pcf_tm.hour); ++ __reg_write(pcf, PCF50606_REG_RTCWD, pcf_tm.wkday); ++ __reg_write(pcf, PCF50606_REG_RTCDT, pcf_tm.day); ++ __reg_write(pcf, PCF50606_REG_RTCMT, pcf_tm.month); ++ __reg_write(pcf, PCF50606_REG_RTCYR, pcf_tm.year); ++ ++ /* restore INT1M, potentially re-enable SECOND interrupt */ ++ __reg_write(pcf, PCF50606_REG_INT1M, int1m); ++ ++ mutex_unlock(&pcf->lock); ++ ++ return 0; ++} ++ ++static int pcf50606_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alrm) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct pcf50606_data *pcf = i2c_get_clientdata(client); ++ struct pcf50606_time pcf_tm; ++ ++ mutex_lock(&pcf->lock); ++ alrm->enabled = ++ __reg_read(pcf, PCF50606_REG_INT1M) & PCF50606_INT1_ALARM ? 0 : 1; ++ pcf_tm.sec = __reg_read(pcf, PCF50606_REG_RTCSCA); ++ pcf_tm.min = __reg_read(pcf, PCF50606_REG_RTCMNA); ++ pcf_tm.hour = __reg_read(pcf, PCF50606_REG_RTCHRA); ++ pcf_tm.wkday = __reg_read(pcf, PCF50606_REG_RTCWDA); ++ pcf_tm.day = __reg_read(pcf, PCF50606_REG_RTCDTA); ++ pcf_tm.month = __reg_read(pcf, PCF50606_REG_RTCMTA); ++ pcf_tm.year = __reg_read(pcf, PCF50606_REG_RTCYRA); ++ mutex_unlock(&pcf->lock); ++ ++ pcf2rtc_time(&alrm->time, &pcf_tm); ++ ++ return 0; ++} ++ ++static int pcf50606_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct pcf50606_data *pcf = i2c_get_clientdata(client); ++ struct pcf50606_time pcf_tm; ++ u_int8_t irqmask; ++ ++ rtc2pcf_time(&pcf_tm, &alrm->time); ++ ++ mutex_lock(&pcf->lock); ++ ++ /* disable alarm interrupt */ ++ irqmask = __reg_read(pcf, PCF50606_REG_INT1M); ++ irqmask |= PCF50606_INT1_ALARM; ++ __reg_write(pcf, PCF50606_REG_INT1M, irqmask); ++ ++ __reg_write(pcf, PCF50606_REG_RTCSCA, pcf_tm.sec); ++ __reg_write(pcf, PCF50606_REG_RTCMNA, pcf_tm.min); ++ __reg_write(pcf, PCF50606_REG_RTCHRA, pcf_tm.hour); ++ __reg_write(pcf, PCF50606_REG_RTCWDA, pcf_tm.wkday); ++ __reg_write(pcf, PCF50606_REG_RTCDTA, pcf_tm.day); ++ __reg_write(pcf, PCF50606_REG_RTCMTA, pcf_tm.month); ++ __reg_write(pcf, PCF50606_REG_RTCYRA, pcf_tm.year); ++ ++ if (alrm->enabled) { ++ /* (re-)enaable alarm interrupt */ ++ irqmask = __reg_read(pcf, PCF50606_REG_INT1M); ++ irqmask &= ~PCF50606_INT1_ALARM; ++ __reg_write(pcf, PCF50606_REG_INT1M, irqmask); ++ } ++ ++ mutex_unlock(&pcf->lock); ++ ++ /* FIXME */ ++ return 0; ++} ++ ++static struct rtc_class_ops pcf50606_rtc_ops = { ++ .ioctl = pcf50606_rtc_ioctl, ++ .read_time = pcf50606_rtc_read_time, ++ .set_time = pcf50606_rtc_set_time, ++ .read_alarm = pcf50606_rtc_read_alarm, ++ .set_alarm = pcf50606_rtc_set_alarm, ++}; ++ ++/*********************************************************************** ++ * Watchdog ++ ***********************************************************************/ ++ ++static void pcf50606_wdt_start(struct pcf50606_data *pcf) ++{ ++ reg_set_bit_mask(pcf, PCF50606_REG_OOCC1, PCF50606_OOCC1_WDTRST, ++ PCF50606_OOCC1_WDTRST); ++} ++ ++static void pcf50606_wdt_stop(struct pcf50606_data *pcf) ++{ ++ reg_clear_bits(pcf, PCF50606_REG_OOCS, PCF50606_OOCS_WDTEXP); ++} ++ ++static void pcf50606_wdt_keepalive(struct pcf50606_data *pcf) ++{ ++ pcf50606_wdt_start(pcf); ++} ++ ++static int pcf50606_wdt_open(struct inode *inode, struct file *file) ++{ ++ struct pcf50606_data *pcf = pcf50606_global; ++ ++ file->private_data = pcf; ++ ++ /* start the timer */ ++ pcf50606_wdt_start(pcf); ++ ++ return nonseekable_open(inode, file); ++} ++ ++static int pcf50606_wdt_release(struct inode *inode, struct file *file) ++{ ++ struct pcf50606_data *pcf = file->private_data; ++ ++ if (pcf->allow_close == CLOSE_STATE_ALLOW) ++ pcf50606_wdt_stop(pcf); ++ else { ++ printk(KERN_CRIT "Unexpected close, not stopping watchdog!\n"); ++ pcf50606_wdt_keepalive(pcf); ++ } ++ ++ pcf->allow_close = CLOSE_STATE_NOT; ++ ++ return 0; ++} ++ ++static ssize_t pcf50606_wdt_write(struct file *file, const char __user *data, ++ size_t len, loff_t *ppos) ++{ ++ struct pcf50606_data *pcf = file->private_data; ++ if (len) { ++ size_t i; ++ ++ for (i = 0; i != len; i++) { ++ char c; ++ if (get_user(c, data + i)) ++ return -EFAULT; ++ if (c == 'V') ++ pcf->allow_close = CLOSE_STATE_ALLOW; ++ } ++ pcf50606_wdt_keepalive(pcf); ++ } ++ ++ return len; ++} ++ ++static struct watchdog_info pcf50606_wdt_ident = { ++ .options = WDIOF_MAGICCLOSE, ++ .firmware_version = 0, ++ .identity = "PCF50606 Watchdog", ++}; ++ ++static int pcf50606_wdt_ioctl(struct inode *inode, struct file *file, ++ unsigned int cmd, unsigned long arg) ++{ ++ struct pcf50606_data *pcf = file->private_data; ++ void __user *argp = (void __user *)arg; ++ int __user *p = argp; ++ ++ switch (cmd) { ++ case WDIOC_GETSUPPORT: ++ return copy_to_user(argp, &pcf50606_wdt_ident, ++ sizeof(pcf50606_wdt_ident)) ? -EFAULT : 0; ++ break; ++ case WDIOC_GETSTATUS: ++ case WDIOC_GETBOOTSTATUS: ++ return put_user(0, p); ++ case WDIOC_KEEPALIVE: ++ pcf50606_wdt_keepalive(pcf); ++ return 0; ++ case WDIOC_GETTIMEOUT: ++ return put_user(8, p); ++ default: ++ return -ENOIOCTLCMD; ++ } ++} ++ ++static struct file_operations pcf50606_wdt_fops = { ++ .owner = THIS_MODULE, ++ .llseek = no_llseek, ++ .write = &pcf50606_wdt_write, ++ .ioctl = &pcf50606_wdt_ioctl, ++ .open = &pcf50606_wdt_open, ++ .release = &pcf50606_wdt_release, ++}; ++ ++static struct miscdevice pcf50606_wdt_miscdev = { ++ .minor = WATCHDOG_MINOR, ++ .name = "watchdog", ++ .fops = &pcf50606_wdt_fops, ++}; ++ ++/*********************************************************************** ++ * PWM ++ ***********************************************************************/ ++ ++static const char *pwm_dc_table[] = { ++ "0/16", "1/16", "2/16", "3/16", ++ "4/16", "5/16", "6/16", "7/16", ++ "8/16", "9/16", "10/16", "11/16", ++ "12/16", "13/16", "14/16", "15/16", ++}; ++ ++static ssize_t show_pwm_dc(struct device *dev, struct device_attribute *attr, ++ char *buf) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct pcf50606_data *pcf = i2c_get_clientdata(client); ++ u_int8_t val; ++ ++ val = reg_read(pcf, PCF50606_REG_PWMC1) >> PCF50606_PWMC1_DC_SHIFT; ++ val &= 0xf; ++ ++ return sprintf(buf, "%s\n", pwm_dc_table[val]); ++} ++ ++static ssize_t set_pwm_dc(struct device *dev, struct device_attribute *attr, ++ const char *buf, size_t count) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct pcf50606_data *pcf = i2c_get_clientdata(client); ++ u_int8_t i; ++ ++ for (i = 0; i < ARRAY_SIZE(pwm_dc_table); i++) { ++ if (!strncmp(buf, pwm_dc_table[i], strlen(pwm_dc_table[i]))) { ++ dev_dbg(dev, "setting pwm dc %s\n\r", pwm_dc_table[i]); ++ reg_set_bit_mask(pcf, PCF50606_REG_PWMC1, 0x1e, ++ (i << PCF50606_PWMC1_DC_SHIFT)); ++ } ++ } ++ return count; ++} ++ ++static DEVICE_ATTR(pwm_dc, S_IRUGO | S_IWUSR, show_pwm_dc, set_pwm_dc); ++ ++static const char *pwm_clk_table[] = { ++ "512", "256", "128", "64", ++ "56300", "28100", "14100", "7000", ++}; ++ ++static ssize_t show_pwm_clk(struct device *dev, struct device_attribute *attr, ++ char *buf) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct pcf50606_data *pcf = i2c_get_clientdata(client); ++ u_int8_t val; ++ ++ val = reg_read(pcf, PCF50606_REG_PWMC1) >> PCF50606_PWMC1_CLK_SHIFT; ++ val &= 0x7; ++ ++ return sprintf(buf, "%s\n", pwm_clk_table[val]); ++} ++ ++static ssize_t set_pwm_clk(struct device *dev, struct device_attribute *attr, ++ const char *buf, size_t count) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct pcf50606_data *pcf = i2c_get_clientdata(client); ++ u_int8_t i; ++ ++ for (i = 0; i < ARRAY_SIZE(pwm_clk_table); i++) { ++ if (!strncmp(buf, pwm_clk_table[i], strlen(pwm_clk_table[i]))) { ++ dev_dbg(dev, "setting pwm clk %s\n\r", ++ pwm_clk_table[i]); ++ reg_set_bit_mask(pcf, PCF50606_REG_PWMC1, 0xe0, ++ (i << PCF50606_PWMC1_CLK_SHIFT)); ++ } ++ } ++ return count; ++} ++ ++static DEVICE_ATTR(pwm_clk, S_IRUGO | S_IWUSR, show_pwm_clk, set_pwm_clk); ++ ++static int pcf50606bl_get_intensity(struct backlight_device *bd) ++{ ++ struct pcf50606_data *pcf = bl_get_data(bd); ++ int intensity = reg_read(pcf, PCF50606_REG_PWMC1); ++ intensity = (intensity >> PCF50606_PWMC1_DC_SHIFT); ++ ++ return intensity & 0xf; ++} ++ ++static int pcf50606bl_set_intensity(struct backlight_device *bd) ++{ ++ struct pcf50606_data *pcf = bl_get_data(bd); ++ int intensity = bd->props.brightness; ++ ++ if (bd->props.power != FB_BLANK_UNBLANK) ++ intensity = 0; ++ if (bd->props.fb_blank != FB_BLANK_UNBLANK) ++ intensity = 0; ++ ++ return reg_set_bit_mask(pcf, PCF50606_REG_PWMC1, 0x1e, ++ (intensity << PCF50606_PWMC1_DC_SHIFT)); ++} ++ ++static struct backlight_ops pcf50606bl_ops = { ++ .get_brightness = pcf50606bl_get_intensity, ++ .update_status = pcf50606bl_set_intensity, ++}; ++ ++/*********************************************************************** ++ * Driver initialization ++ ***********************************************************************/ ++ ++#ifdef CONFIG_MACH_NEO1973_GTA01 ++/* We currently place those platform devices here to make sure the device ++ * suspend/resume order is correct */ ++static struct platform_device gta01_pm_gps_dev = { ++ .name = "neo1973-pm-gps", ++}; ++ ++static struct platform_device gta01_pm_bt_dev = { ++ .name = "neo1973-pm-bt", ++}; ++#endif ++ ++static struct attribute *pcf_sysfs_entries[16] = { ++ &dev_attr_voltage_dcd.attr, ++ &dev_attr_voltage_dcde.attr, ++ &dev_attr_voltage_dcud.attr, ++ &dev_attr_voltage_d1reg.attr, ++ &dev_attr_voltage_d2reg.attr, ++ &dev_attr_voltage_d3reg.attr, ++ &dev_attr_voltage_lpreg.attr, ++ &dev_attr_voltage_ioreg.attr, ++ NULL ++}; ++ ++static struct attribute_group pcf_attr_group = { ++ .name = NULL, /* put in device directory */ ++ .attrs = pcf_sysfs_entries, ++}; ++ ++static void populate_sysfs_group(struct pcf50606_data *pcf) ++{ ++ int i = 0; ++ struct attribute **attr; ++ ++ for (attr = pcf_sysfs_entries; *attr; attr++) ++ i++; ++ ++ if (pcf->pdata->used_features & PCF50606_FEAT_MBC) { ++ pcf_sysfs_entries[i++] = &dev_attr_chgstate.attr; ++ pcf_sysfs_entries[i++] = &dev_attr_chgmode.attr; ++ } ++ ++ if (pcf->pdata->used_features & PCF50606_FEAT_CHGCUR) ++ pcf_sysfs_entries[i++] = &dev_attr_chgcur.attr; ++ ++ if (pcf->pdata->used_features & PCF50606_FEAT_BATVOLT) ++ pcf_sysfs_entries[i++] = &dev_attr_battvolt.attr; ++ ++ if (pcf->pdata->used_features & PCF50606_FEAT_BATTEMP) ++ pcf_sysfs_entries[i++] = &dev_attr_battemp.attr; ++ ++ if (pcf->pdata->used_features & PCF50606_FEAT_PWM) { ++ pcf_sysfs_entries[i++] = &dev_attr_pwm_dc.attr; ++ pcf_sysfs_entries[i++] = &dev_attr_pwm_clk.attr; ++ } ++} ++ ++static int pcf50606_detect(struct i2c_adapter *adapter, int address, int kind) ++{ ++ struct i2c_client *new_client; ++ struct pcf50606_data *data; ++ int err = 0; ++ int irq; ++ ++ if (!pcf50606_pdev) { ++ printk(KERN_ERR "pcf50606: driver needs a platform_device!\n"); ++ return -EIO; ++ } ++ ++ irq = platform_get_irq(pcf50606_pdev, 0); ++ if (irq < 0) { ++ dev_err(&pcf50606_pdev->dev, "no irq in platform resources!\n"); ++ return -EIO; ++ } ++ ++ /* At the moment, we only support one PCF50606 in a system */ ++ if (pcf50606_global) { ++ dev_err(&pcf50606_pdev->dev, ++ "currently only one chip supported\n"); ++ return -EBUSY; ++ } ++ ++ data = kzalloc(sizeof(*data), GFP_KERNEL); ++ if (!data) ++ return -ENOMEM; ++ ++ mutex_init(&data->lock); ++ mutex_init(&data->working_lock); ++ INIT_WORK(&data->work, pcf50606_work); ++ data->irq = irq; ++ data->working = 0; ++ data->onkey_seconds = -1; ++ data->pdata = pcf50606_pdev->dev.platform_data; ++ ++ new_client = &data->client; ++ i2c_set_clientdata(new_client, data); ++ new_client->addr = address; ++ new_client->adapter = adapter; ++ new_client->driver = &pcf50606_driver; ++ new_client->flags = 0; ++ strlcpy(new_client->name, "pcf50606", I2C_NAME_SIZE); ++ ++ /* now we try to detect the chip */ ++ ++ /* register with i2c core */ ++ err = i2c_attach_client(new_client); ++ if (err) { ++ dev_err(&new_client->dev, ++ "error during i2c_attach_client()\n"); ++ goto exit_free; ++ } ++ ++ populate_sysfs_group(data); ++ ++ err = sysfs_create_group(&new_client->dev.kobj, &pcf_attr_group); ++ if (err) { ++ dev_err(&new_client->dev, "error creating sysfs group\n"); ++ goto exit_detach; ++ } ++ ++ /* create virtual charger 'device' */ ++ ++ /* input device registration */ ++ data->input_dev = input_allocate_device(); ++ if (!data->input_dev) ++ goto exit_sysfs; ++ ++ data->input_dev->name = "FIC Neo1973 PMU events"; ++ data->input_dev->phys = "I2C"; ++ data->input_dev->id.bustype = BUS_I2C; ++ data->input_dev->cdev.dev = &new_client->dev; ++ ++ data->input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_PWR); ++ set_bit(KEY_POWER, data->input_dev->keybit); ++ set_bit(KEY_POWER2, data->input_dev->keybit); ++ set_bit(KEY_BATTERY, data->input_dev->keybit); ++ ++ err = input_register_device(data->input_dev); ++ if (err) ++ goto exit_sysfs; ++ ++ /* register power off handler with core power management */ ++ pm_power_off = &pcf50606_go_standby; ++ ++ /* configure interrupt mask */ ++ reg_write(data, PCF50606_REG_INT1M, PCF50606_INT1_SECOND); ++ reg_write(data, PCF50606_REG_INT2M, 0x00); ++ reg_write(data, PCF50606_REG_INT3M, PCF50606_INT3_TSCPRES); ++ ++ err = request_irq(irq, pcf50606_irq, IRQF_TRIGGER_FALLING, ++ "pcf50606", data); ++ if (err < 0) ++ goto exit_input; ++ ++ if (enable_irq_wake(irq) < 0) ++ dev_err(&new_client->dev, "IRQ %u cannot be enabled as wake-up" ++ "source in this hardware revision!", irq); ++ ++ pcf50606_global = data; ++ ++ if (data->pdata->used_features & PCF50606_FEAT_RTC) { ++ data->rtc = rtc_device_register("pcf50606", &new_client->dev, ++ &pcf50606_rtc_ops, THIS_MODULE); ++ if (IS_ERR(data->rtc)) { ++ err = PTR_ERR(data->rtc); ++ goto exit_irq; ++ } ++ } ++ ++ if (data->pdata->used_features & PCF50606_FEAT_WDT) { ++ err = misc_register(&pcf50606_wdt_miscdev); ++ if (err) { ++ dev_err(&new_client->dev, "cannot register miscdev on " ++ "minor=%d (%d)\n", WATCHDOG_MINOR, err); ++ goto exit_rtc; ++ } ++ } ++ ++ if (data->pdata->used_features & PCF50606_FEAT_PWM) { ++ /* enable PWM controller */ ++ reg_set_bit_mask(data, PCF50606_REG_PWMC1, ++ PCF50606_PWMC1_ACTSET, ++ PCF50606_PWMC1_ACTSET); ++ } ++ ++ if (data->pdata->used_features & PCF50606_FEAT_PWM_BL) { ++ data->backlight = backlight_device_register("pcf50606-bl", ++ &new_client->dev, ++ data, ++ &pcf50606bl_ops); ++ if (!data->backlight) ++ goto exit_misc; ++ data->backlight->props.max_brightness = 16; ++ data->backlight->props.power = FB_BLANK_UNBLANK; ++ data->backlight->props.brightness = ++ data->pdata->init_brightness; ++ backlight_update_status(data->backlight); ++ } ++ ++ apm_get_power_status = pcf50606_get_power_status; ++ ++#ifdef CONFIG_MACH_NEO1973_GTA01 ++ if (machine_is_neo1973_gta01()) { ++ gta01_pm_gps_dev.dev.parent = &new_client->dev; ++ switch (system_rev) { ++ case GTA01Bv2_SYSTEM_REV: ++ case GTA01Bv3_SYSTEM_REV: ++ case GTA01Bv4_SYSTEM_REV: ++ gta01_pm_bt_dev.dev.parent = &new_client->dev; ++ platform_device_register(>a01_pm_bt_dev); ++ break; ++ } ++ platform_device_register(>a01_pm_gps_dev); ++ /* a link for gllin compatibility */ ++ err = sysfs_create_link(&platform_bus_type.devices.kobj, ++ >a01_pm_gps_dev.dev.kobj, "gta01-pm-gps.0"); ++ if (err) ++ printk(KERN_ERR ++ "sysfs_create_link (gta01-pm-gps.0): %d\n", err); ++ } ++#endif ++ ++ if (data->pdata->used_features & PCF50606_FEAT_ACD) ++ reg_set_bit_mask(data, PCF50606_REG_ACDC1, ++ PCF50606_ACDC1_ACDAPE, PCF50606_ACDC1_ACDAPE); ++ else ++ reg_clear_bits(data, PCF50606_REG_ACDC1, ++ PCF50606_ACDC1_ACDAPE); ++ ++ return 0; ++ ++exit_misc: ++ if (data->pdata->used_features & PCF50606_FEAT_WDT) ++ misc_deregister(&pcf50606_wdt_miscdev); ++exit_rtc: ++ if (data->pdata->used_features & PCF50606_FEAT_RTC) ++ rtc_device_unregister(pcf50606_global->rtc); ++exit_irq: ++ free_irq(pcf50606_global->irq, pcf50606_global); ++ pcf50606_global = NULL; ++exit_input: ++ pm_power_off = NULL; ++ input_unregister_device(data->input_dev); ++exit_sysfs: ++ sysfs_remove_group(&new_client->dev.kobj, &pcf_attr_group); ++exit_detach: ++ i2c_detach_client(new_client); ++exit_free: ++ kfree(data); ++ return err; ++} ++ ++static int pcf50606_attach_adapter(struct i2c_adapter *adapter) ++{ ++ return i2c_probe(adapter, &addr_data, &pcf50606_detect); ++} ++ ++static int pcf50606_detach_client(struct i2c_client *client) ++{ ++ struct pcf50606_data *pcf = i2c_get_clientdata(client); ++ ++ apm_get_power_status = NULL; ++ input_unregister_device(pcf->input_dev); ++ ++ if (pcf->pdata->used_features & PCF50606_FEAT_PWM_BL) ++ backlight_device_unregister(pcf->backlight); ++ ++ if (pcf->pdata->used_features & PCF50606_FEAT_WDT) ++ misc_deregister(&pcf50606_wdt_miscdev); ++ ++ if (pcf->pdata->used_features & PCF50606_FEAT_RTC) ++ rtc_device_unregister(pcf->rtc); ++ ++ free_irq(pcf->irq, pcf); ++ ++ sysfs_remove_group(&client->dev.kobj, &pcf_attr_group); ++ ++ pm_power_off = NULL; ++ ++ kfree(pcf); ++ ++ return 0; ++} ++ ++#ifdef CONFIG_PM ++#define INT1M_RESUMERS (PCF50606_INT1_ALARM | \ ++ PCF50606_INT1_ONKEYF | \ ++ PCF50606_INT1_EXTONR) ++#define INT2M_RESUMERS (PCF50606_INT2_CHGWD10S | \ ++ PCF50606_INT2_CHGPROT | \ ++ PCF50606_INT2_CHGERR) ++#define INT3M_RESUMERS (PCF50606_INT3_LOWBAT | \ ++ PCF50606_INT3_HIGHTMP | \ ++ PCF50606_INT3_ACDINS) ++static int pcf50606_suspend(struct device *dev, pm_message_t state) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct pcf50606_data *pcf = i2c_get_clientdata(client); ++ int i; ++ ++ /* The general idea is to power down all unused power supplies, ++ * and then mask all PCF50606 interrup sources but EXTONR, ONKEYF ++ * and ALARM */ ++ ++ mutex_lock(&pcf->lock); ++ ++ /* Save all registers that don't "survive" standby state */ ++ pcf->standby_regs.dcdc1 = __reg_read(pcf, PCF50606_REG_DCDC1); ++ pcf->standby_regs.dcdc2 = __reg_read(pcf, PCF50606_REG_DCDC2); ++ pcf->standby_regs.dcdec1 = __reg_read(pcf, PCF50606_REG_DCDEC1); ++ pcf->standby_regs.dcudc1 = __reg_read(pcf, PCF50606_REG_DCUDC1); ++ pcf->standby_regs.ioregc = __reg_read(pcf, PCF50606_REG_IOREGC); ++ pcf->standby_regs.d1regc1 = __reg_read(pcf, PCF50606_REG_D1REGC1); ++ pcf->standby_regs.d2regc1 = __reg_read(pcf, PCF50606_REG_D2REGC1); ++ pcf->standby_regs.d3regc1 = __reg_read(pcf, PCF50606_REG_D3REGC1); ++ pcf->standby_regs.lpregc1 = __reg_read(pcf, PCF50606_REG_LPREGC1); ++ pcf->standby_regs.adcc1 = __reg_read(pcf, PCF50606_REG_ADCC1); ++ pcf->standby_regs.adcc2 = __reg_read(pcf, PCF50606_REG_ADCC2); ++ pcf->standby_regs.pwmc1 = __reg_read(pcf, PCF50606_REG_PWMC1); ++ ++ /* switch off power supplies that are not needed during suspend */ ++ for (i = 0; i < __NUM_PCF50606_REGULATORS; i++) { ++ if (!(pcf->pdata->rails[i].flags & PMU_VRAIL_F_SUSPEND_ON)) { ++ u_int8_t tmp; ++ ++ /* IOREG powers the I@C interface so we cannot switch ++ * it off */ ++ if (i == PCF50606_REGULATOR_IOREG) ++ continue; ++ ++ dev_dbg(dev, "disabling pcf50606 regulator %u\n", i); ++ /* we cannot use pcf50606_onoff_set() because we're ++ * already under the mutex */ ++ tmp = __reg_read(pcf, regulator_registers[i]); ++ tmp &= 0x1f; ++ __reg_write(pcf, regulator_registers[i], tmp); ++ } ++ } ++ ++ pcf->standby_regs.int1m = __reg_read(pcf, PCF50606_REG_INT1M); ++ pcf->standby_regs.int2m = __reg_read(pcf, PCF50606_REG_INT2M); ++ pcf->standby_regs.int3m = __reg_read(pcf, PCF50606_REG_INT3M); ++ __reg_write(pcf, PCF50606_REG_INT1M, ~INT1M_RESUMERS & 0xff); ++ __reg_write(pcf, PCF50606_REG_INT2M, ~INT2M_RESUMERS & 0xff); ++ __reg_write(pcf, PCF50606_REG_INT3M, ~INT3M_RESUMERS & 0xff); ++ ++ mutex_unlock(&pcf->lock); ++ ++ return 0; ++} ++ ++static int pcf50606_resume(struct device *dev) ++{ ++ struct i2c_client *client = to_i2c_client(dev); ++ struct pcf50606_data *pcf = i2c_get_clientdata(client); ++ ++ mutex_lock(&pcf->lock); ++ ++ /* Resume all saved registers that don't "survive" standby state */ ++ __reg_write(pcf, PCF50606_REG_INT1M, pcf->standby_regs.int1m); ++ __reg_write(pcf, PCF50606_REG_INT2M, pcf->standby_regs.int2m); ++ __reg_write(pcf, PCF50606_REG_INT3M, pcf->standby_regs.int3m); ++ ++ __reg_write(pcf, PCF50606_REG_DCDC1, pcf->standby_regs.dcdc1); ++ __reg_write(pcf, PCF50606_REG_DCDC2, pcf->standby_regs.dcdc2); ++ __reg_write(pcf, PCF50606_REG_DCDEC1, pcf->standby_regs.dcdec1); ++ __reg_write(pcf, PCF50606_REG_DCUDC1, pcf->standby_regs.dcudc1); ++ __reg_write(pcf, PCF50606_REG_IOREGC, pcf->standby_regs.ioregc); ++ __reg_write(pcf, PCF50606_REG_D1REGC1, pcf->standby_regs.d1regc1); ++ __reg_write(pcf, PCF50606_REG_D2REGC1, pcf->standby_regs.d2regc1); ++ __reg_write(pcf, PCF50606_REG_D3REGC1, pcf->standby_regs.d3regc1); ++ __reg_write(pcf, PCF50606_REG_LPREGC1, pcf->standby_regs.lpregc1); ++ __reg_write(pcf, PCF50606_REG_ADCC1, pcf->standby_regs.adcc1); ++ __reg_write(pcf, PCF50606_REG_ADCC2, pcf->standby_regs.adcc2); ++ __reg_write(pcf, PCF50606_REG_PWMC1, pcf->standby_regs.pwmc1); ++ ++ mutex_unlock(&pcf->lock); ++ ++ return 0; ++} ++#else ++#define pcf50606_suspend NULL ++#define pcf50606_resume NULL ++#endif ++ ++static struct i2c_driver pcf50606_driver = { ++ .driver = { ++ .name = "pcf50606", ++ .suspend = pcf50606_suspend, ++ .resume = pcf50606_resume, ++ }, ++ .id = I2C_DRIVERID_PCF50606, ++ .attach_adapter = pcf50606_attach_adapter, ++ .detach_client = pcf50606_detach_client, ++}; ++ ++/* platform driver, since i2c devices don't have platform_data */ ++static int __init pcf50606_plat_probe(struct platform_device *pdev) ++{ ++ struct pcf50606_platform_data *pdata = pdev->dev.platform_data; ++ ++ if (!pdata) ++ return -ENODEV; ++ ++ pcf50606_pdev = pdev; ++ ++ return 0; ++} ++ ++static int pcf50606_plat_remove(struct platform_device *pdev) ++{ ++ return 0; ++} ++ ++static struct platform_driver pcf50606_plat_driver = { ++ .probe = pcf50606_plat_probe, ++ .remove = pcf50606_plat_remove, ++ .driver = { ++ .owner = THIS_MODULE, ++ .name = "pcf50606", ++ }, ++}; ++ ++static int __init pcf50606_init(void) ++{ ++ int rc; ++ ++ rc = platform_driver_register(&pcf50606_plat_driver); ++ if (!rc) ++ rc = i2c_add_driver(&pcf50606_driver); ++ ++ return rc; ++} ++ ++static void pcf50606_exit(void) ++{ ++ i2c_del_driver(&pcf50606_driver); ++ platform_driver_unregister(&pcf50606_plat_driver); ++} ++ ++MODULE_DESCRIPTION("I2C chip driver for NXP PCF50606 power management unit"); ++MODULE_AUTHOR("Harald Welte <laforge@openmoko.org>"); ++MODULE_LICENSE("GPL"); ++ ++module_init(pcf50606_init); ++module_exit(pcf50606_exit); +diff --git a/drivers/i2c/chips/pcf50606.h b/drivers/i2c/chips/pcf50606.h +new file mode 100644 +index 0000000..15b350f +--- /dev/null ++++ b/drivers/i2c/chips/pcf50606.h +@@ -0,0 +1,302 @@ ++#ifndef _PCF50606_H ++#define _PCF50606_H ++ ++/* Philips PCF50606 Power Managemnt Unit (PMU) driver ++ * (C) 2006-2007 by OpenMoko, Inc. ++ * Author: Harald Welte <laforge@openmoko.org> ++ * ++ */ ++ ++enum pfc50606_regs { ++ PCF50606_REG_ID = 0x00, ++ PCF50606_REG_OOCS = 0x01, ++ PCF50606_REG_INT1 = 0x02, /* Interrupt Status */ ++ PCF50606_REG_INT2 = 0x03, /* Interrupt Status */ ++ PCF50606_REG_INT3 = 0x04, /* Interrupt Status */ ++ PCF50606_REG_INT1M = 0x05, /* Interrupt Mask */ ++ PCF50606_REG_INT2M = 0x06, /* Interrupt Mask */ ++ PCF50606_REG_INT3M = 0x07, /* Interrupt Mask */ ++ PCF50606_REG_OOCC1 = 0x08, ++ PCF50606_REG_OOCC2 = 0x09, ++ PCF50606_REG_RTCSC = 0x0a, /* Second */ ++ PCF50606_REG_RTCMN = 0x0b, /* Minute */ ++ PCF50606_REG_RTCHR = 0x0c, /* Hour */ ++ PCF50606_REG_RTCWD = 0x0d, /* Weekday */ ++ PCF50606_REG_RTCDT = 0x0e, /* Day */ ++ PCF50606_REG_RTCMT = 0x0f, /* Month */ ++ PCF50606_REG_RTCYR = 0x10, /* Year */ ++ PCF50606_REG_RTCSCA = 0x11, /* Alarm Second */ ++ PCF50606_REG_RTCMNA = 0x12, /* Alarm Minute */ ++ PCF50606_REG_RTCHRA = 0x13, /* Alarm Hour */ ++ PCF50606_REG_RTCWDA = 0x14, /* Alarm Weekday */ ++ PCF50606_REG_RTCDTA = 0x15, /* Alarm Day */ ++ PCF50606_REG_RTCMTA = 0x16, /* Alarm Month */ ++ PCF50606_REG_RTCYRA = 0x17, /* Alarm Year */ ++ PCF50606_REG_PSSC = 0x18, /* Power sequencing */ ++ PCF50606_REG_PWROKM = 0x19, /* PWROK mask */ ++ PCF50606_REG_PWROKS = 0x1a, /* PWROK status */ ++ PCF50606_REG_DCDC1 = 0x1b, ++ PCF50606_REG_DCDC2 = 0x1c, ++ PCF50606_REG_DCDC3 = 0x1d, ++ PCF50606_REG_DCDC4 = 0x1e, ++ PCF50606_REG_DCDEC1 = 0x1f, ++ PCF50606_REG_DCDEC2 = 0x20, ++ PCF50606_REG_DCUDC1 = 0x21, ++ PCF50606_REG_DCUDC2 = 0x22, ++ PCF50606_REG_IOREGC = 0x23, ++ PCF50606_REG_D1REGC1 = 0x24, ++ PCF50606_REG_D2REGC1 = 0x25, ++ PCF50606_REG_D3REGC1 = 0x26, ++ PCF50606_REG_LPREGC1 = 0x27, ++ PCF50606_REG_LPREGC2 = 0x28, ++ PCF50606_REG_MBCC1 = 0x29, ++ PCF50606_REG_MBCC2 = 0x2a, ++ PCF50606_REG_MBCC3 = 0x2b, ++ PCF50606_REG_MBCS1 = 0x2c, ++ PCF50606_REG_BBCC = 0x2d, ++ PCF50606_REG_ADCC1 = 0x2e, ++ PCF50606_REG_ADCC2 = 0x2f, ++ PCF50606_REG_ADCS1 = 0x30, ++ PCF50606_REG_ADCS2 = 0x31, ++ PCF50606_REG_ADCS3 = 0x32, ++ PCF50606_REG_ACDC1 = 0x33, ++ PCF50606_REG_BVMC = 0x34, ++ PCF50606_REG_PWMC1 = 0x35, ++ PCF50606_REG_LEDC1 = 0x36, ++ PCF50606_REG_LEDC2 = 0x37, ++ PCF50606_REG_GPOC1 = 0x38, ++ PCF50606_REG_GPOC2 = 0x39, ++ PCF50606_REG_GPOC3 = 0x3a, ++ PCF50606_REG_GPOC4 = 0x3b, ++ PCF50606_REG_GPOC5 = 0x3c, ++ __NUM_PCF50606_REGS ++}; ++ ++enum pcf50606_reg_oocs { ++ PFC50606_OOCS_ONKEY = 0x01, ++ PCF50606_OOCS_EXTON = 0x02, ++ PCF50606_OOCS_PWROKRST = 0x04, ++ PCF50606_OOCS_BATOK = 0x08, ++ PCF50606_OOCS_BACKOK = 0x10, ++ PCF50606_OOCS_CHGOK = 0x20, ++ PCF50606_OOCS_TEMPOK = 0x40, ++ PCF50606_OOCS_WDTEXP = 0x80, ++}; ++ ++enum pcf50606_reg_oocc1 { ++ PCF50606_OOCC1_GOSTDBY = 0x01, ++ PCF50606_OOCC1_TOTRST = 0x02, ++ PCF50606_OOCC1_CLK32ON = 0x04, ++ PCF50606_OOCC1_WDTRST = 0x08, ++ PCF50606_OOCC1_RTCWAK = 0x10, ++ PCF50606_OOCC1_CHGWAK = 0x20, ++ PCF50606_OOCC1_EXTONWAK_HIGH = 0x40, ++ PCF50606_OOCC1_EXTONWAK_LOW = 0x80, ++}; ++ ++enum pcf50606_reg_oocc2 { ++ PCF50606_OOCC2_ONKEYDB_NONE = 0x00, ++ PCF50606_OOCC2_ONKEYDB_14ms = 0x01, ++ PCF50606_OOCC2_ONKEYDB_62ms = 0x02, ++ PCF50606_OOCC2_ONKEYDB_500ms = 0x03, ++ PCF50606_OOCC2_EXTONDB_NONE = 0x00, ++ PCF50606_OOCC2_EXTONDB_14ms = 0x04, ++ PCF50606_OOCC2_EXTONDB_62ms = 0x08, ++ PCF50606_OOCC2_EXTONDB_500ms = 0x0c, ++}; ++ ++enum pcf50606_reg_int1 { ++ PCF50606_INT1_ONKEYR = 0x01, /* ONKEY rising edge */ ++ PCF50606_INT1_ONKEYF = 0x02, /* ONKEY falling edge */ ++ PCF50606_INT1_ONKEY1S = 0x04, /* OMKEY at least 1sec low */ ++ PCF50606_INT1_EXTONR = 0x08, /* EXTON rising edge */ ++ PCF50606_INT1_EXTONF = 0x10, /* EXTON falling edge */ ++ PCF50606_INT1_SECOND = 0x40, /* RTC periodic second interrupt */ ++ PCF50606_INT1_ALARM = 0x80, /* RTC alarm time is reached */ ++}; ++ ++enum pcf50606_reg_int2 { ++ PCF50606_INT2_CHGINS = 0x01, /* Charger inserted */ ++ PCF50606_INT2_CHGRM = 0x02, /* Charger removed */ ++ PCF50606_INT2_CHGFOK = 0x04, /* Fast charging OK */ ++ PCF50606_INT2_CHGERR = 0x08, /* Error in charging mode */ ++ PCF50606_INT2_CHGFRDY = 0x10, /* Fast charge completed */ ++ PCF50606_INT2_CHGPROT = 0x20, /* Charging protection interrupt */ ++ PCF50606_INT2_CHGWD10S = 0x40, /* Charger watchdig expires in 10s */ ++ PCF50606_INT2_CHGWDEXP = 0x80, /* Charger watchdog expires */ ++}; ++ ++enum pcf50606_reg_int3 { ++ PCF50606_INT3_ADCRDY = 0x01, /* ADC conversion finished */ ++ PCF50606_INT3_ACDINS = 0x02, /* Accessory inserted */ ++ PCF50606_INT3_ACDREM = 0x04, /* Accessory removed */ ++ PCF50606_INT3_TSCPRES = 0x08, /* Touch screen pressed */ ++ PCF50606_INT3_LOWBAT = 0x40, /* Low battery voltage */ ++ PCF50606_INT3_HIGHTMP = 0x80, /* High temperature */ ++}; ++ ++/* used by PSSC, PWROKM, PWROKS, */ ++enum pcf50606_regu { ++ PCF50606_REGU_DCD = 0x01, /* DCD in phase 2 */ ++ PCF50606_REGU_DCDE = 0x02, /* DCDE in phase 2 */ ++ PCF50606_REGU_DCUD = 0x04, /* DCDU in phase 2 */ ++ PCF50606_REGU_IO = 0x08, /* IO in phase 2 */ ++ PCF50606_REGU_D1 = 0x10, /* D1 in phase 2 */ ++ PCF50606_REGU_D2 = 0x20, /* D2 in phase 2 */ ++ PCF50606_REGU_D3 = 0x40, /* D3 in phase 2 */ ++ PCF50606_REGU_LP = 0x80, /* LP in phase 2 */ ++}; ++ ++enum pcf50606_reg_dcdc4 { ++ PCF50606_DCDC4_MODE_AUTO = 0x00, ++ PCF50606_DCDC4_MODE_PWM = 0x01, ++ PCF50606_DCDC4_MODE_PCF = 0x02, ++ PCF50606_DCDC4_OFF_FLOAT = 0x00, ++ PCF50606_DCDC4_OFF_BYPASS = 0x04, ++ PCF50606_DCDC4_OFF_PULLDOWN = 0x08, ++ PCF50606_DCDC4_CURLIM_500mA = 0x00, ++ PCF50606_DCDC4_CURLIM_750mA = 0x10, ++ PCF50606_DCDC4_CURLIM_1000mA = 0x20, ++ PCF50606_DCDC4_CURLIM_1250mA = 0x30, ++ PCF50606_DCDC4_TOGGLE = 0x40, ++ PCF50606_DCDC4_REGSEL_DCDC2 = 0x80, ++}; ++ ++enum pcf50606_reg_dcdec2 { ++ PCF50606_DCDEC2_MODE_AUTO = 0x00, ++ PCF50606_DCDEC2_MODE_PWM = 0x01, ++ PCF50606_DCDEC2_MODE_PCF = 0x02, ++ PCF50606_DCDEC2_OFF_FLOAT = 0x00, ++ PCF50606_DCDEC2_OFF_BYPASS = 0x04, ++}; ++ ++enum pcf50606_reg_dcudc2 { ++ PCF50606_DCUDC2_MODE_AUTO = 0x00, ++ PCF50606_DCUDC2_MODE_PWM = 0x01, ++ PCF50606_DCUDC2_MODE_PCF = 0x02, ++ PCF50606_DCUDC2_OFF_FLOAT = 0x00, ++ PCF50606_DCUDC2_OFF_BYPASS = 0x04, ++}; ++ ++enum pcf50606_reg_adcc1 { ++ PCF50606_ADCC1_TSCMODACT = 0x01, ++ PCF50606_ADCC1_TSCMODSTB = 0x02, ++ PCF50606_ADCC1_TRATSET = 0x04, ++ PCF50606_ADCC1_NTCSWAPE = 0x08, ++ PCF50606_ADCC1_NTCSWAOFF = 0x10, ++ PCF50606_ADCC1_EXTSYNCBREAK = 0x20, ++ /* reserved */ ++ PCF50606_ADCC1_TSCINT = 0x80, ++}; ++ ++enum pcf50606_reg_adcc2 { ++ PCF50606_ADCC2_ADCSTART = 0x01, ++ /* see enum pcf50606_adcc2_adcmux */ ++ PCF50606_ADCC2_SYNC_NONE = 0x00, ++ PCF50606_ADCC2_SYNC_TXON = 0x20, ++ PCF50606_ADCC2_SYNC_PWREN1 = 0x40, ++ PCF50606_ADCC2_SYNC_PWREN2 = 0x60, ++ PCF50606_ADCC2_RES_10BIT = 0x00, ++ PCF50606_ADCC2_RES_8BIT = 0x80, ++}; ++ ++#define PCF50606_ADCC2_ADCMUX_MASK (0xf << 1) ++ ++#define ADCMUX_SHIFT 1 ++enum pcf50606_adcc2_adcmux { ++ PCF50606_ADCMUX_BATVOLT_RES = 0x0 << ADCMUX_SHIFT, ++ PCF50606_ADCMUX_BATVOLT_SUBTR = 0x1 << ADCMUX_SHIFT, ++ PCF50606_ADCMUX_ADCIN1_RES = 0x2 << ADCMUX_SHIFT, ++ PCF50606_ADCMUX_ADCIN1_SUBTR = 0x3 << ADCMUX_SHIFT, ++ PCF50606_ADCMUX_BATTEMP = 0x4 << ADCMUX_SHIFT, ++ PCF50606_ADCMUX_ADCIN2 = 0x5 << ADCMUX_SHIFT, ++ PCF50606_ADCMUX_ADCIN3 = 0x6 << ADCMUX_SHIFT, ++ PCF50606_ADCMUX_ADCIN3_RATIO = 0x7 << ADCMUX_SHIFT, ++ PCF50606_ADCMUX_XPOS = 0x8 << ADCMUX_SHIFT, ++ PCF50606_ADCMUX_YPOS = 0x9 << ADCMUX_SHIFT, ++ PCF50606_ADCMUX_P1 = 0xa << ADCMUX_SHIFT, ++ PCF50606_ADCMUX_P2 = 0xb << ADCMUX_SHIFT, ++ PCF50606_ADCMUX_BATVOLT_ADCIN1 = 0xc << ADCMUX_SHIFT, ++ PCF50606_ADCMUX_XY_SEQUENCE = 0xe << ADCMUX_SHIFT, ++ PCF50606_P1_P2_RESISTANCE = 0xf << ADCMUX_SHIFT, ++}; ++ ++enum pcf50606_adcs2 { ++ PCF50606_ADCS2_ADCRDY = 0x80, ++}; ++ ++enum pcf50606_reg_mbcc1 { ++ PCF50606_MBCC1_CHGAPE = 0x01, ++ PCF50606_MBCC1_AUTOFST = 0x02, ++#define PCF50606_MBCC1_CHGMOD_MASK 0x1c ++#define PCF50606_MBCC1_CHGMOD_SHIFT 2 ++ PCF50606_MBCC1_CHGMOD_QUAL = 0x00, ++ PCF50606_MBCC1_CHGMOD_PRE = 0x04, ++ PCF50606_MBCC1_CHGMOD_TRICKLE = 0x08, ++ PCF50606_MBCC1_CHGMOD_FAST_CCCV = 0x0c, ++ PCF50606_MBCC1_CHGMOD_FAST_NOCC = 0x10, ++ PCF50606_MBCC1_CHGMOD_FAST_NOCV = 0x14, ++ PCF50606_MBCC1_CHGMOD_FAST_SW = 0x18, ++ PCF50606_MBCC1_CHGMOD_IDLE = 0x1c, ++ PCF50606_MBCC1_DETMOD_LOWCHG = 0x20, ++ PCF50606_MBCC1_DETMOD_WDRST = 0x40, ++}; ++ ++enum pcf50606_reg_acdc1 { ++ PCF50606_ACDC1_ACDDET = 0x01, ++ PCF50606_ACDC1_THRSHLD_1V0 = 0x00, ++ PCF50606_ACDC1_THRSHLD_1V2 = 0x02, ++ PCF50606_ACDC1_THRSHLD_1V4 = 0x04, ++ PCF50606_ACDC1_THRSHLD_1V6 = 0x06, ++ PCF50606_ACDC1_THRSHLD_1V8 = 0x08, ++ PCF50606_ACDC1_THRSHLD_2V0 = 0x0a, ++ PCF50606_ACDC1_THRSHLD_2V2 = 0x0c, ++ PCF50606_ACDC1_THRSHLD_2V4 = 0x0e, ++ PCF50606_ACDC1_DISDB = 0x10, ++ PCF50606_ACDC1_ACDAPE = 0x80, ++}; ++ ++enum pcf50606_reg_bvmc { ++ PCF50606_BVMC_LOWBAT = 0x01, ++ PCF50606_BVMC_THRSHLD_NULL = 0x00, ++ PCF50606_BVMC_THRSHLD_2V8 = 0x02, ++ PCF50606_BVMC_THRSHLD_2V9 = 0x04, ++ PCF50606_BVMC_THRSHLD_3V = 0x08, ++ PCF50606_BVMC_THRSHLD_3V1 = 0x08, ++ PCF50606_BVMC_THRSHLD_3V2 = 0x0a, ++ PCF50606_BVMC_THRSHLD_3V3 = 0x0c, ++ PCF50606_BVMC_THRSHLD_3V4 = 0x0e, ++ PCF50606_BVMC_DISDB = 0x10, ++}; ++ ++enum pcf50606_reg_pwmc1 { ++ PCF50606_PWMC1_ACTSET = 0x01, ++ PCF50606_PWMC1_PWMDC_0_16 = 0x00, ++ PCF50606_PWMC1_PWMDC_1_16 = 0x02, ++ PCF50606_PWMC1_PWMDC_2_16 = 0x04, ++ PCF50606_PWMC1_PWMDC_3_16 = 0x06, ++ PCF50606_PWMC1_PWMDC_4_16 = 0x08, ++ PCF50606_PWMC1_PWMDC_5_16 = 0x0a, ++ PCF50606_PWMC1_PWMDC_6_16 = 0x0c, ++ PCF50606_PWMC1_PWMDC_7_16 = 0x0e, ++ PCF50606_PWMC1_PWMDC_8_16 = 0x10, ++ PCF50606_PWMC1_PWMDC_9_16 = 0x12, ++ PCF50606_PWMC1_PWMDC_10_16 = 0x14, ++ PCF50606_PWMC1_PWMDC_11_16 = 0x16, ++ PCF50606_PWMC1_PWMDC_12_16 = 0x18, ++ PCF50606_PWMC1_PWMDC_13_16 = 0x1a, ++ PCF50606_PWMC1_PWMDC_14_16 = 0x1c, ++ PCF50606_PWMC1_PWMDC_15_16 = 0x1e, ++ PCF50606_PWMC1_PRESC_512Hz = 0x20, ++ PCF50606_PWMC1_PRESC_256Hz = 0x40, ++ PCF50606_PWMC1_PRESC_64Hz = 0x60, ++ PCF50606_PWMC1_PRESC_56kHz = 0x80, ++ PCF50606_PWMC1_PRESC_28kHz = 0xa0, ++ PCF50606_PWMC1_PRESC_14kHz = 0xc0, ++ PCF50606_PWMC1_PRESC_7kHz = 0xe0, ++}; ++#define PCF50606_PWMC1_CLK_SHIFT 5 ++#define PCF50606_PWMC1_DC_SHIFT 1 ++ ++#endif /* _PCF50606_H */ ++ +diff --git a/include/linux/i2c-id.h b/include/linux/i2c-id.h +index 580acc9..2cda699 100644 +--- a/include/linux/i2c-id.h ++++ b/include/linux/i2c-id.h +@@ -94,6 +94,7 @@ + #define I2C_DRIVERID_I2CDEV 900 + + #define I2C_DRIVERID_OV7670 1048 /* Omnivision 7670 camera */ ++#define I2C_DRIVERID_PCF50606 1049 + + /* + * ---- Adapter types ---------------------------------------------------- +diff --git a/include/linux/pcf50606.h b/include/linux/pcf50606.h +new file mode 100644 +index 0000000..bc98e47 +--- /dev/null ++++ b/include/linux/pcf50606.h +@@ -0,0 +1,108 @@ ++#ifndef _LINUX_PCF50606_H ++#define _LINUX_PCF50606_H ++ ++/* public in-kernel pcf50606 api */ ++enum pcf50606_regulator_id { ++ PCF50606_REGULATOR_DCD, ++ PCF50606_REGULATOR_DCDE, ++ PCF50606_REGULATOR_DCUD, ++ PCF50606_REGULATOR_D1REG, ++ PCF50606_REGULATOR_D2REG, ++ PCF50606_REGULATOR_D3REG, ++ PCF50606_REGULATOR_LPREG, ++ PCF50606_REGULATOR_IOREG, ++ __NUM_PCF50606_REGULATORS ++}; ++ ++struct pcf50606_data; ++ ++/* This is an ugly construct on how to access the (currently single/global) ++ * pcf50606 handle from other code in the kernel. I didn't really come up with ++ * a more decent method of dynamically resolving this */ ++extern struct pcf50606_data *pcf50606_global; ++ ++extern void ++pcf50606_go_standby(void); ++ ++extern void ++pcf50606_gpo0_set(struct pcf50606_data *pcf, int on); ++ ++extern int ++pcf50606_gpo0_get(struct pcf50606_data *pcf); ++ ++extern int ++pcf50606_voltage_set(struct pcf50606_data *pcf, ++ enum pcf50606_regulator_id reg, ++ unsigned int millivolts); ++extern unsigned int ++pcf50606_voltage_get(struct pcf50606_data *pcf, ++ enum pcf50606_regulator_id reg); ++extern int ++pcf50606_onoff_get(struct pcf50606_data *pcf, ++ enum pcf50606_regulator_id reg); ++ ++extern int ++pcf50606_onoff_set(struct pcf50606_data *pcf, ++ enum pcf50606_regulator_id reg, int on); ++ ++extern void ++pcf50606_charge_fast(struct pcf50606_data *pcf, int on); ++ ++#define PMU_VRAIL_F_SUSPEND_ON 0x00000001 /* Remains on during suspend */ ++#define PMU_VRAIL_F_UNUSED 0x00000002 /* This rail is not used */ ++struct pmu_voltage_rail { ++ char *name; ++ unsigned int flags; ++ struct { ++ unsigned int init; ++ unsigned int max; ++ } voltage; ++}; ++ ++enum pmu_event { ++ PMU_EVT_NONE, ++ PMU_EVT_INSERT, ++ PMU_EVT_REMOVE, ++ __NUM_PMU_EVTS ++}; ++ ++typedef int pmu_cb(struct device *dev, unsigned int feature, ++ enum pmu_event event); ++ ++#define PCF50606_FEAT_EXTON 0x00000001 /* not yet supported */ ++#define PCF50606_FEAT_MBC 0x00000002 ++#define PCF50606_FEAT_BBC 0x00000004 /* not yet supported */ ++#define PCF50606_FEAT_TSC 0x00000008 /* not yet supported */ ++#define PCF50606_FEAT_WDT 0x00000010 ++#define PCF50606_FEAT_ACD 0x00000020 ++#define PCF50606_FEAT_RTC 0x00000040 ++#define PCF50606_FEAT_PWM 0x00000080 ++#define PCF50606_FEAT_CHGCUR 0x00000100 ++#define PCF50606_FEAT_BATVOLT 0x00000200 ++#define PCF50606_FEAT_BATTEMP 0x00000400 ++#define PCF50606_FEAT_PWM_BL 0x00000800 ++ ++struct pcf50606_platform_data { ++ /* general */ ++ unsigned int used_features; ++ unsigned int onkey_seconds_required; ++ ++ /* voltage regulator related */ ++ struct pmu_voltage_rail rails[__NUM_PCF50606_REGULATORS]; ++ unsigned int used_regulators; ++ ++ /* charger related */ ++ unsigned int r_fix_batt; ++ unsigned int r_fix_batt_par; ++ unsigned int r_sense_milli; ++ ++ /* backlight related */ ++ unsigned int init_brightness; ++ ++ struct { ++ u_int8_t mbcc3; /* charger voltage / current */ ++ } charger; ++ pmu_cb *cb; ++}; ++ ++#endif +-- +1.5.6.3 + |