diff options
author | Jiri Kosina <jkosina@suse.cz> | 2012-02-03 23:12:42 +0100 |
---|---|---|
committer | Jiri Kosina <jkosina@suse.cz> | 2012-02-03 23:13:05 +0100 |
commit | 972c5ae961d6e5103e2b33d935cfa4145fd47140 (patch) | |
tree | 350b2a76b979ba8766c09838617df67ff330eca0 /drivers/mfd | |
parent | 5196d20305d5e30d871111d3a876cf067dd94255 (diff) | |
parent | 7c7ed8ec337bf5f62cc5287a6eb6b2f1b7504c2f (diff) |
Merge branch 'master' into for-next
Sync with Linus' tree to be able to apply patch to a newer
code (namely drivers/gpu/drm/gma500/psb_intel_lvds.c)
Diffstat (limited to 'drivers/mfd')
64 files changed, 4279 insertions, 1206 deletions
diff --git a/drivers/mfd/88pm860x-i2c.c b/drivers/mfd/88pm860x-i2c.c index e017dc88622a..f93dd9571c3c 100644 --- a/drivers/mfd/88pm860x-i2c.c +++ b/drivers/mfd/88pm860x-i2c.c @@ -12,51 +12,20 @@ #include <linux/module.h> #include <linux/platform_device.h> #include <linux/i2c.h> +#include <linux/err.h> +#include <linux/regmap.h> #include <linux/mfd/88pm860x.h> #include <linux/slab.h> -static inline int pm860x_read_device(struct i2c_client *i2c, - int reg, int bytes, void *dest) -{ - unsigned char data; - int ret; - - data = (unsigned char)reg; - ret = i2c_master_send(i2c, &data, 1); - if (ret < 0) - return ret; - - ret = i2c_master_recv(i2c, dest, bytes); - if (ret < 0) - return ret; - return 0; -} - -static inline int pm860x_write_device(struct i2c_client *i2c, - int reg, int bytes, void *src) -{ - unsigned char buf[bytes + 1]; - int ret; - - buf[0] = (unsigned char)reg; - memcpy(&buf[1], src, bytes); - - ret = i2c_master_send(i2c, buf, bytes + 1); - if (ret < 0) - return ret; - return 0; -} - int pm860x_reg_read(struct i2c_client *i2c, int reg) { struct pm860x_chip *chip = i2c_get_clientdata(i2c); - unsigned char data; + struct regmap *map = (i2c == chip->client) ? chip->regmap + : chip->regmap_companion; + unsigned int data; int ret; - mutex_lock(&chip->io_lock); - ret = pm860x_read_device(i2c, reg, 1, &data); - mutex_unlock(&chip->io_lock); - + ret = regmap_read(map, reg, &data); if (ret < 0) return ret; else @@ -68,12 +37,11 @@ int pm860x_reg_write(struct i2c_client *i2c, int reg, unsigned char data) { struct pm860x_chip *chip = i2c_get_clientdata(i2c); + struct regmap *map = (i2c == chip->client) ? chip->regmap + : chip->regmap_companion; int ret; - mutex_lock(&chip->io_lock); - ret = pm860x_write_device(i2c, reg, 1, &data); - mutex_unlock(&chip->io_lock); - + ret = regmap_write(map, reg, data); return ret; } EXPORT_SYMBOL(pm860x_reg_write); @@ -82,12 +50,11 @@ int pm860x_bulk_read(struct i2c_client *i2c, int reg, int count, unsigned char *buf) { struct pm860x_chip *chip = i2c_get_clientdata(i2c); + struct regmap *map = (i2c == chip->client) ? chip->regmap + : chip->regmap_companion; int ret; - mutex_lock(&chip->io_lock); - ret = pm860x_read_device(i2c, reg, count, buf); - mutex_unlock(&chip->io_lock); - + ret = regmap_raw_read(map, reg, buf, count); return ret; } EXPORT_SYMBOL(pm860x_bulk_read); @@ -96,12 +63,11 @@ int pm860x_bulk_write(struct i2c_client *i2c, int reg, int count, unsigned char *buf) { struct pm860x_chip *chip = i2c_get_clientdata(i2c); + struct regmap *map = (i2c == chip->client) ? chip->regmap + : chip->regmap_companion; int ret; - mutex_lock(&chip->io_lock); - ret = pm860x_write_device(i2c, reg, count, buf); - mutex_unlock(&chip->io_lock); - + ret = regmap_raw_write(map, reg, buf, count); return ret; } EXPORT_SYMBOL(pm860x_bulk_write); @@ -110,39 +76,78 @@ int pm860x_set_bits(struct i2c_client *i2c, int reg, unsigned char mask, unsigned char data) { struct pm860x_chip *chip = i2c_get_clientdata(i2c); - unsigned char value; + struct regmap *map = (i2c == chip->client) ? chip->regmap + : chip->regmap_companion; int ret; - mutex_lock(&chip->io_lock); - ret = pm860x_read_device(i2c, reg, 1, &value); - if (ret < 0) - goto out; - value &= ~mask; - value |= data; - ret = pm860x_write_device(i2c, reg, 1, &value); -out: - mutex_unlock(&chip->io_lock); + ret = regmap_update_bits(map, reg, mask, data); return ret; } EXPORT_SYMBOL(pm860x_set_bits); +static int read_device(struct i2c_client *i2c, int reg, + int bytes, void *dest) +{ + unsigned char msgbuf0[I2C_SMBUS_BLOCK_MAX + 3]; + unsigned char msgbuf1[I2C_SMBUS_BLOCK_MAX + 2]; + struct i2c_adapter *adap = i2c->adapter; + struct i2c_msg msg[2] = {{i2c->addr, 0, 1, msgbuf0}, + {i2c->addr, I2C_M_RD, 0, msgbuf1}, + }; + int num = 1, ret = 0; + + if (dest == NULL) + return -EINVAL; + msgbuf0[0] = (unsigned char)reg; /* command */ + msg[1].len = bytes; + + /* if data needs to read back, num should be 2 */ + if (bytes > 0) + num = 2; + ret = adap->algo->master_xfer(adap, msg, num); + memcpy(dest, msgbuf1, bytes); + if (ret < 0) + return ret; + return 0; +} + +static int write_device(struct i2c_client *i2c, int reg, + int bytes, void *src) +{ + unsigned char buf[bytes + 1]; + struct i2c_adapter *adap = i2c->adapter; + struct i2c_msg msg; + int ret; + + buf[0] = (unsigned char)reg; + memcpy(&buf[1], src, bytes); + msg.addr = i2c->addr; + msg.flags = 0; + msg.len = bytes + 1; + msg.buf = buf; + + ret = adap->algo->master_xfer(adap, &msg, 1); + if (ret < 0) + return ret; + return 0; +} + int pm860x_page_reg_read(struct i2c_client *i2c, int reg) { - struct pm860x_chip *chip = i2c_get_clientdata(i2c); unsigned char zero = 0; unsigned char data; int ret; - mutex_lock(&chip->io_lock); - pm860x_write_device(i2c, 0xFA, 0, &zero); - pm860x_write_device(i2c, 0xFB, 0, &zero); - pm860x_write_device(i2c, 0xFF, 0, &zero); - ret = pm860x_read_device(i2c, reg, 1, &data); + i2c_lock_adapter(i2c->adapter); + read_device(i2c, 0xFA, 0, &zero); + read_device(i2c, 0xFB, 0, &zero); + read_device(i2c, 0xFF, 0, &zero); + ret = read_device(i2c, reg, 1, &data); if (ret >= 0) ret = (int)data; - pm860x_write_device(i2c, 0xFE, 0, &zero); - pm860x_write_device(i2c, 0xFC, 0, &zero); - mutex_unlock(&chip->io_lock); + read_device(i2c, 0xFE, 0, &zero); + read_device(i2c, 0xFC, 0, &zero); + i2c_unlock_adapter(i2c->adapter); return ret; } EXPORT_SYMBOL(pm860x_page_reg_read); @@ -150,18 +155,17 @@ EXPORT_SYMBOL(pm860x_page_reg_read); int pm860x_page_reg_write(struct i2c_client *i2c, int reg, unsigned char data) { - struct pm860x_chip *chip = i2c_get_clientdata(i2c); unsigned char zero; int ret; - mutex_lock(&chip->io_lock); - pm860x_write_device(i2c, 0xFA, 0, &zero); - pm860x_write_device(i2c, 0xFB, 0, &zero); - pm860x_write_device(i2c, 0xFF, 0, &zero); - ret = pm860x_write_device(i2c, reg, 1, &data); - pm860x_write_device(i2c, 0xFE, 0, &zero); - pm860x_write_device(i2c, 0xFC, 0, &zero); - mutex_unlock(&chip->io_lock); + i2c_lock_adapter(i2c->adapter); + read_device(i2c, 0xFA, 0, &zero); + read_device(i2c, 0xFB, 0, &zero); + read_device(i2c, 0xFF, 0, &zero); + ret = write_device(i2c, reg, 1, &data); + read_device(i2c, 0xFE, 0, &zero); + read_device(i2c, 0xFC, 0, &zero); + i2c_unlock_adapter(i2c->adapter); return ret; } EXPORT_SYMBOL(pm860x_page_reg_write); @@ -169,18 +173,17 @@ EXPORT_SYMBOL(pm860x_page_reg_write); int pm860x_page_bulk_read(struct i2c_client *i2c, int reg, int count, unsigned char *buf) { - struct pm860x_chip *chip = i2c_get_clientdata(i2c); unsigned char zero = 0; int ret; - mutex_lock(&chip->io_lock); - pm860x_write_device(i2c, 0xFA, 0, &zero); - pm860x_write_device(i2c, 0xFB, 0, &zero); - pm860x_write_device(i2c, 0xFF, 0, &zero); - ret = pm860x_read_device(i2c, reg, count, buf); - pm860x_write_device(i2c, 0xFE, 0, &zero); - pm860x_write_device(i2c, 0xFC, 0, &zero); - mutex_unlock(&chip->io_lock); + i2c_lock_adapter(i2c->adapter); + read_device(i2c, 0xfa, 0, &zero); + read_device(i2c, 0xfb, 0, &zero); + read_device(i2c, 0xff, 0, &zero); + ret = read_device(i2c, reg, count, buf); + read_device(i2c, 0xFE, 0, &zero); + read_device(i2c, 0xFC, 0, &zero); + i2c_unlock_adapter(i2c->adapter); return ret; } EXPORT_SYMBOL(pm860x_page_bulk_read); @@ -188,18 +191,18 @@ EXPORT_SYMBOL(pm860x_page_bulk_read); int pm860x_page_bulk_write(struct i2c_client *i2c, int reg, int count, unsigned char *buf) { - struct pm860x_chip *chip = i2c_get_clientdata(i2c); unsigned char zero = 0; int ret; - mutex_lock(&chip->io_lock); - pm860x_write_device(i2c, 0xFA, 0, &zero); - pm860x_write_device(i2c, 0xFB, 0, &zero); - pm860x_write_device(i2c, 0xFF, 0, &zero); - ret = pm860x_write_device(i2c, reg, count, buf); - pm860x_write_device(i2c, 0xFE, 0, &zero); - pm860x_write_device(i2c, 0xFC, 0, &zero); - mutex_unlock(&chip->io_lock); + i2c_lock_adapter(i2c->adapter); + read_device(i2c, 0xFA, 0, &zero); + read_device(i2c, 0xFB, 0, &zero); + read_device(i2c, 0xFF, 0, &zero); + ret = write_device(i2c, reg, count, buf); + read_device(i2c, 0xFE, 0, &zero); + read_device(i2c, 0xFC, 0, &zero); + i2c_unlock_adapter(i2c->adapter); + i2c_unlock_adapter(i2c->adapter); return ret; } EXPORT_SYMBOL(pm860x_page_bulk_write); @@ -207,25 +210,24 @@ EXPORT_SYMBOL(pm860x_page_bulk_write); int pm860x_page_set_bits(struct i2c_client *i2c, int reg, unsigned char mask, unsigned char data) { - struct pm860x_chip *chip = i2c_get_clientdata(i2c); unsigned char zero; unsigned char value; int ret; - mutex_lock(&chip->io_lock); - pm860x_write_device(i2c, 0xFA, 0, &zero); - pm860x_write_device(i2c, 0xFB, 0, &zero); - pm860x_write_device(i2c, 0xFF, 0, &zero); - ret = pm860x_read_device(i2c, reg, 1, &value); + i2c_lock_adapter(i2c->adapter); + read_device(i2c, 0xFA, 0, &zero); + read_device(i2c, 0xFB, 0, &zero); + read_device(i2c, 0xFF, 0, &zero); + ret = read_device(i2c, reg, 1, &value); if (ret < 0) goto out; value &= ~mask; value |= data; - ret = pm860x_write_device(i2c, reg, 1, &value); + ret = write_device(i2c, reg, 1, &value); out: - pm860x_write_device(i2c, 0xFE, 0, &zero); - pm860x_write_device(i2c, 0xFC, 0, &zero); - mutex_unlock(&chip->io_lock); + read_device(i2c, 0xFE, 0, &zero); + read_device(i2c, 0xFC, 0, &zero); + i2c_unlock_adapter(i2c->adapter); return ret; } EXPORT_SYMBOL(pm860x_page_set_bits); @@ -257,11 +259,17 @@ static int verify_addr(struct i2c_client *i2c) return 0; } +static struct regmap_config pm860x_regmap_config = { + .reg_bits = 8, + .val_bits = 8, +}; + static int __devinit pm860x_probe(struct i2c_client *client, const struct i2c_device_id *id) { struct pm860x_platform_data *pdata = client->dev.platform_data; struct pm860x_chip *chip; + int ret; if (!pdata) { pr_info("No platform data in %s!\n", __func__); @@ -273,10 +281,17 @@ static int __devinit pm860x_probe(struct i2c_client *client, return -ENOMEM; chip->id = verify_addr(client); + chip->regmap = regmap_init_i2c(client, &pm860x_regmap_config); + if (IS_ERR(chip->regmap)) { + ret = PTR_ERR(chip->regmap); + dev_err(&client->dev, "Failed to allocate register map: %d\n", + ret); + kfree(chip); + return ret; + } chip->client = client; i2c_set_clientdata(client, chip); chip->dev = &client->dev; - mutex_init(&chip->io_lock); dev_set_drvdata(chip->dev, chip); /* @@ -290,6 +305,14 @@ static int __devinit pm860x_probe(struct i2c_client *client, chip->companion_addr = pdata->companion_addr; chip->companion = i2c_new_dummy(chip->client->adapter, chip->companion_addr); + chip->regmap_companion = regmap_init_i2c(chip->companion, + &pm860x_regmap_config); + if (IS_ERR(chip->regmap_companion)) { + ret = PTR_ERR(chip->regmap_companion); + dev_err(&chip->companion->dev, + "Failed to allocate register map: %d\n", ret); + return ret; + } i2c_set_clientdata(chip->companion, chip); } @@ -302,7 +325,11 @@ static int __devexit pm860x_remove(struct i2c_client *client) struct pm860x_chip *chip = i2c_get_clientdata(client); pm860x_device_exit(chip); - i2c_unregister_device(chip->companion); + if (chip->companion) { + regmap_exit(chip->regmap_companion); + i2c_unregister_device(chip->companion); + } + regmap_exit(chip->regmap); kfree(chip); return 0; } diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index f1391c21ef26..cd13e9f2f5e6 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -12,6 +12,7 @@ config MFD_CORE config MFD_88PM860X bool "Support Marvell 88PM8606/88PM8607" depends on I2C=y && GENERIC_HARDIRQS + select REGMAP_I2C select MFD_CORE help This supports for Marvell 88PM8606/88PM8607 Power Management IC. @@ -199,7 +200,7 @@ config MENELAUS config TWL4030_CORE bool "Texas Instruments TWL4030/TWL5030/TWL6030/TPS659x0 Support" - depends on I2C=y && GENERIC_HARDIRQS + depends on I2C=y && GENERIC_HARDIRQS && IRQ_DOMAIN help Say yes here if you have TWL4030 / TWL6030 family chip on your board. This core driver provides register access and IRQ handling @@ -257,7 +258,7 @@ config TWL6040_CORE config MFD_STMPE bool "Support STMicroelectronics STMPE" - depends on I2C=y && GENERIC_HARDIRQS + depends on (I2C=y || SPI_MASTER=y) && GENERIC_HARDIRQS select MFD_CORE help Support for the STMPE family of I/O Expanders from @@ -278,6 +279,23 @@ config MFD_STMPE Keypad: stmpe-keypad Touchscreen: stmpe-ts +menu "STMPE Interface Drivers" +depends on MFD_STMPE + +config STMPE_I2C + bool "STMPE I2C Inteface" + depends on I2C=y + default y + help + This is used to enable I2C interface of STMPE + +config STMPE_SPI + bool "STMPE SPI Inteface" + depends on SPI_MASTER + help + This is used to enable SPI interface of STMPE +endmenu + config MFD_TC3589X bool "Support Toshiba TC35892 and variants" depends on I2C=y && GENERIC_HARDIRQS @@ -311,7 +329,7 @@ config MFD_TC6387XB config MFD_TC6393XB bool "Support Toshiba TC6393XB" - depends on GPIOLIB && ARM + depends on GPIOLIB && ARM && HAVE_CLK select MFD_CORE select MFD_TMIO help @@ -328,6 +346,34 @@ config PMIC_DA903X individual components like LCD backlight, voltage regulators, LEDs and battery-charger under the corresponding menus. +config PMIC_DA9052 + bool + select MFD_CORE + +config MFD_DA9052_SPI + bool "Support Dialog Semiconductor DA9052/53 PMIC variants with SPI" + select REGMAP_SPI + select REGMAP_IRQ + select PMIC_DA9052 + depends on SPI_MASTER=y + help + Support for the Dialog Semiconductor DA9052 PMIC + when controlled using SPI. This driver provides common support + for accessing the device, additional drivers must be enabled in + order to use the functionality of the device. + +config MFD_DA9052_I2C + bool "Support Dialog Semiconductor DA9052/53 PMIC variants with I2C" + select REGMAP_I2C + select REGMAP_IRQ + select PMIC_DA9052 + depends on I2C=y + help + Support for the Dialog Semiconductor DA9052 PMIC + when controlled using I2C. This driver provides common support + for accessing the device, additional drivers must be enabled in + order to use the functionality of the device. + config PMIC_ADP5520 bool "Analog Devices ADP5520/01 MFD PMIC Core Support" depends on I2C=y @@ -371,6 +417,17 @@ config MFD_MAX8998 additional drivers must be enabled in order to use the functionality of the device. +config MFD_S5M_CORE + bool "SAMSUNG S5M Series Support" + depends on I2C=y && GENERIC_HARDIRQS + select MFD_CORE + select REGMAP_I2C + help + Support for the Samsung Electronics S5M MFD series. + This driver provies common support for accessing the device, + additional drivers must be enabled in order to use the functionality + of the device + config MFD_WM8400 tristate "Support Wolfson Microelectronics WM8400" select MFD_CORE @@ -477,6 +534,7 @@ config MFD_WM8994 bool "Support Wolfson Microelectronics WM8994" select MFD_CORE select REGMAP_I2C + select REGMAP_IRQ depends on I2C=y && GENERIC_HARDIRQS help The WM8994 is a highly integrated hi-fi CODEC designed for diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index b2292eb75242..b953bab934f7 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -16,6 +16,8 @@ obj-$(CONFIG_MFD_DM355EVM_MSP) += dm355evm_msp.o obj-$(CONFIG_MFD_TI_SSP) += ti-ssp.o obj-$(CONFIG_MFD_STMPE) += stmpe.o +obj-$(CONFIG_STMPE_I2C) += stmpe-i2c.o +obj-$(CONFIG_STMPE_SPI) += stmpe-spi.o obj-$(CONFIG_MFD_TC3589X) += tc3589x.o obj-$(CONFIG_MFD_T7L66XB) += t7l66xb.o tmio_core.o obj-$(CONFIG_MFD_TC6387XB) += tc6387xb.o tmio_core.o @@ -31,7 +33,7 @@ wm8350-objs := wm8350-core.o wm8350-regmap.o wm8350-gpio.o wm8350-objs += wm8350-irq.o obj-$(CONFIG_MFD_WM8350) += wm8350.o obj-$(CONFIG_MFD_WM8350_I2C) += wm8350-i2c.o -obj-$(CONFIG_MFD_WM8994) += wm8994-core.o wm8994-irq.o +obj-$(CONFIG_MFD_WM8994) += wm8994-core.o wm8994-irq.o wm8994-regmap.o obj-$(CONFIG_TPS6105X) += tps6105x.o obj-$(CONFIG_TPS65010) += tps65010.o @@ -67,6 +69,11 @@ endif obj-$(CONFIG_UCB1400_CORE) += ucb1400_core.o obj-$(CONFIG_PMIC_DA903X) += da903x.o + +obj-$(CONFIG_PMIC_DA9052) += da9052-core.o +obj-$(CONFIG_MFD_DA9052_SPI) += da9052-spi.o +obj-$(CONFIG_MFD_DA9052_I2C) += da9052-i2c.o + max8925-objs := max8925-core.o max8925-i2c.o obj-$(CONFIG_MFD_MAX8925) += max8925.o obj-$(CONFIG_MFD_MAX8997) += max8997.o max8997-irq.o @@ -104,3 +111,4 @@ obj-$(CONFIG_MFD_PM8XXX_IRQ) += pm8xxx-irq.o obj-$(CONFIG_TPS65911_COMPARATOR) += tps65911-comparator.o obj-$(CONFIG_MFD_AAT2870_CORE) += aat2870-core.o obj-$(CONFIG_MFD_INTEL_MSIC) += intel_msic.o +obj-$(CONFIG_MFD_S5M_CORE) += s5m-core.o s5m-irq.o diff --git a/drivers/mfd/aat2870-core.c b/drivers/mfd/aat2870-core.c index 02c42015ba51..3aa36eb5c79b 100644 --- a/drivers/mfd/aat2870-core.c +++ b/drivers/mfd/aat2870-core.c @@ -407,13 +407,13 @@ static int aat2870_i2c_probe(struct i2c_client *client, aat2870->init(aat2870); if (aat2870->en_pin >= 0) { - ret = gpio_request(aat2870->en_pin, "aat2870-en"); + ret = gpio_request_one(aat2870->en_pin, GPIOF_OUT_INIT_HIGH, + "aat2870-en"); if (ret < 0) { dev_err(&client->dev, "Failed to request GPIO %d\n", aat2870->en_pin); goto out_kfree; } - gpio_direction_output(aat2870->en_pin, 1); } aat2870_enable(aat2870); @@ -468,9 +468,10 @@ static int aat2870_i2c_remove(struct i2c_client *client) return 0; } -#ifdef CONFIG_PM -static int aat2870_i2c_suspend(struct i2c_client *client, pm_message_t state) +#ifdef CONFIG_PM_SLEEP +static int aat2870_i2c_suspend(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); struct aat2870_data *aat2870 = i2c_get_clientdata(client); aat2870_disable(aat2870); @@ -478,8 +479,9 @@ static int aat2870_i2c_suspend(struct i2c_client *client, pm_message_t state) return 0; } -static int aat2870_i2c_resume(struct i2c_client *client) +static int aat2870_i2c_resume(struct device *dev) { + struct i2c_client *client = to_i2c_client(dev); struct aat2870_data *aat2870 = i2c_get_clientdata(client); struct aat2870_register *reg = NULL; int i; @@ -495,12 +497,12 @@ static int aat2870_i2c_resume(struct i2c_client *client) return 0; } -#else -#define aat2870_i2c_suspend NULL -#define aat2870_i2c_resume NULL -#endif /* CONFIG_PM */ +#endif /* CONFIG_PM_SLEEP */ |