diff --git a/Documentation/power/power_supply_class.txt b/Documentation/power/power_supply_class.txt index c6cd495..4801654 100644 --- a/Documentation/power/power_supply_class.txt +++ b/Documentation/power/power_supply_class.txt @@ -76,6 +76,11 @@ STATUS - this attribute represents operating status (charging, full, discharging (i.e. powering a load), etc.). This corresponds to BATTERY_STATUS_* values, as defined in battery.h. +CHARGE_TYPE - batteries can typically charge at different rates. +This defines trickle and fast charges. For batteries that +are already charged or discharging, 'n/a' can be displayed (or +'unknown', if the status is not known). + HEALTH - represents health of the battery, values corresponds to POWER_SUPPLY_HEALTH_*, defined in battery.h. diff --git a/MAINTAINERS b/MAINTAINERS index cf4abdd..c560f04 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -6266,6 +6266,24 @@ W: http://oops.ghostprotocols.net:81/blog S: Maintained F: drivers/net/wireless/wl3501* +WOLFSON PMIC DRIVERS +P: Mark Brown +M: broonie@opensource.wolfsonmicro.com +L: linux-kernel@vger.kernel.org +T: git git://opensource.wolfsonmicro.com/linux-2.6-audioplus +W: http://opensource.wolfsonmicro.com/node/8 +S: Supported +F: drivers/leds/leds-wm83*.c +F: drivers/mfd/wm8*.c +F: drivers/power/wm83*.c +F: drivers/rtc/rtc-wm83*.c +F: drivers/regulator/wm8*.c +F: drivers/watchdog/wm83*_wdt.c +F: include/linux/mfd/wm8350 +F: include/linux/mfd/wm8400 +F: sound/soc/codecs/wm8350.c +F: sound/soc/codecs/wm8400.c + WM97XX TOUCHSCREEN DRIVERS P: Mark Brown M: broonie@opensource.wolfsonmicro.com @@ -6278,6 +6296,24 @@ S: Supported F: drivers/input/touchscreen/*wm97* F: include/linux/wm97xx.h +WOLFSON MICROELECTRONICS PMIC DRIVERS +P: Mark Brown +M: broonie@opensource.wolfsonmicro.com +L: linux-kernel@vger.kernel.org +T: git git://opensource.wolfsonmicro.com/linux-2.6-audioplus +W: http://opensource.wolfsonmicro.com/node/8 +S: Supported +F: drivers/leds/leds-wm83*.c +F: drivers/mfd/wm8*.c +F: drivers/power/wm83*.c +F: drivers/rtc/rtc-wm83*.c +F: drivers/regulator/wm8*.c +F: drivers/watchdog/wm83*_wdt.c +F: include/linux/mfd/wm8350/ +F: include/linux/mfd/wm8400/ +F: sound/soc/codecs/wm8350.c +F: sound/soc/codecs/wm8400.c + X.25 NETWORK LAYER P: Henner Eisen M: eis@baty.hanse.de diff --git a/Makefile b/Makefile index 1065154..03373bb 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ VERSION = 2 PATCHLEVEL = 6 SUBLEVEL = 30 -EXTRAVERSION = -rc8 +EXTRAVERSION = NAME = Man-Eating Seals of Antiquity # *DOCUMENTATION* diff --git a/arch/arm/mach-mx3/cpufreq.c b/arch/arm/mach-mx3/cpufreq.c new file mode 100644 index 0000000..8cebe92 --- /dev/null +++ b/arch/arm/mach-mx3/cpufreq.c @@ -0,0 +1,236 @@ +/* + * cpufreq.c -- i.MX3x CPUfreq driver. + * + * Copyright (C) 2007 Wolfson Microelectronics PLC. + * + * Author: Liam Girdwood + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +static struct clk *cpu_clk; +static struct regulator *regulator; + +struct mx3_freq_volts { + int freq; + int uV; +}; + +/* + * These voltage and frequency settings could be further refined. + */ +static const struct mx3_freq_volts freq_uV[] = { + {133000 * 1000, 1275 * 1000}, + {266000 * 1000, 1400 * 1000}, + {399000 * 1000, 1500 * 1000}, + {532000 * 1000, 1600 * 1000}, +}; + +/* does need to be in ascending order for calc_frequency() below */ +static struct cpufreq_frequency_table imx31_freq_table[] = { + {0x01, 133000}, + {0x02, 266000}, + {0x03, 399000}, + {0x04, 532000}, + {0, CPUFREQ_TABLE_END}, +}; + +static int mx3_verify_speed(struct cpufreq_policy *policy) +{ + if (policy->cpu != 0) + return -EINVAL; + + return cpufreq_frequency_table_verify(policy, imx31_freq_table); +} + +static unsigned int mx3_get_speed(unsigned int cpu) +{ + if (cpu) + return 0; + return clk_get_rate(cpu_clk) / 1000; +} + +static int calc_frequency(int target, unsigned int relation) +{ + int i; + + if (relation == CPUFREQ_RELATION_H) { + for (i = ARRAY_SIZE(imx31_freq_table) - 1; i > 0; i--) { + if (imx31_freq_table[i].frequency <= target) + return imx31_freq_table[i].frequency; + } + } else if (relation == CPUFREQ_RELATION_L) { + for (i = 0; i < ARRAY_SIZE(imx31_freq_table) - 1; i++) { + if (imx31_freq_table[i].frequency >= target) + return imx31_freq_table[i].frequency; + } + } + printk(KERN_ERR "error no valid cpufreq relation\n"); + return 532000; +} + +static int mx3_cpu_voltage(struct cpufreq_policy *policy, int freq) +{ + int i, ret = -EINVAL, mV_delta; + + for (i = 0; i < ARRAY_SIZE(freq_uV); i++) { + if (freq_uV[i].freq == freq) + goto found; + } + printk(KERN_ERR "%s: could not find voltage for freq %d kHz\n", + __func__, freq); + return ret; + +found: + mV_delta = (freq_uV[i].uV - regulator_get_voltage(regulator)) / 1000; + ret = regulator_set_voltage(regulator, freq_uV[i].uV, freq_uV[i].uV); + if (mV_delta < 0) + mV_delta *= -1; + udelay(mV_delta * 2); /* wait for voltage change - TODO: tune */ + return ret; +} + +static int mx3_set_target(struct cpufreq_policy *policy, + unsigned int target_freq, unsigned int relation) +{ + struct cpufreq_freqs freqs; + long freq; + int ret = 0; + + /* + * Some governors do not respects CPU and policy lower limits + * which leads to bad things (division by zero etc), ensure + * that such things do not happen. + */ + if (target_freq < policy->cpuinfo.min_freq) + target_freq = policy->cpuinfo.min_freq; + + if (target_freq < policy->min) + target_freq = policy->min; + + freq = calc_frequency(target_freq, relation) * 1000; + freqs.old = clk_get_rate(cpu_clk) / 1000; + freqs.new = (freq + 500) / 1000; + freqs.cpu = 0; + freqs.flags = 0; + + if (freqs.old < freqs.new) + ret = mx3_cpu_voltage(policy, freq); + + if (ret < 0) { + printk(KERN_ERR "cant raise voltage for CPU frequency %ld\n", + freq); + return -EIO; + } + + cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); + clk_set_rate(cpu_clk, freq); + + if (freqs.old > freqs.new) + ret = mx3_cpu_voltage(policy, freq); + if (ret < 0) { + printk(KERN_ERR "cant lower voltage for CPU frequency %ld\n", + freq); + } + + cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE); + return 0; +} + +static int __init mx3_cpufreq_driver_init(struct cpufreq_policy *policy) +{ + int ret; + + printk(KERN_INFO "i.MX3x CPU frequency driver\n"); + + if (policy->cpu != 0) + return -EINVAL; + + cpu_clk = clk_get(NULL, "cpu_clk"); + if (IS_ERR(cpu_clk)) { + printk(KERN_ERR "%s: failed to get clock\n", __func__); + return PTR_ERR(cpu_clk); + } + + regulator = regulator_get(NULL, "cpu_vcc"); + if (IS_ERR(regulator)) { + clk_put(cpu_clk); + printk(KERN_ERR "%s: failed to get regulator\n", __func__); + return PTR_ERR(regulator); + } + + policy->cur = policy->min = policy->max = clk_get_rate(cpu_clk) / 1000; + policy->governor = CPUFREQ_DEFAULT_GOVERNOR; + policy->cpuinfo.min_freq = 133000; + policy->cpuinfo.max_freq = 532000; + + /* Manual states, that PLL stabilizes in two CLK32 periods */ + policy->cpuinfo.transition_latency = 10; + + ret = cpufreq_frequency_table_cpuinfo(policy, imx31_freq_table); + if (ret < 0) { + clk_put(cpu_clk); + regulator_put(regulator); + printk(KERN_ERR "%s: failed to register i.MX3x CPUfreq\n", + __func__); + return ret; + } + cpufreq_frequency_table_get_attr(imx31_freq_table, policy->cpu); + return 0; +} + +static int mx3_cpufreq_driver_exit(struct cpufreq_policy *policy) +{ + cpufreq_frequency_table_put_attr(policy->cpu); + + /* reset CPU to 532MHz */ + if (regulator_set_voltage(regulator, 1600 * 1000, 1600 * 1000) == 0) + clk_set_rate(cpu_clk, 532000 * 1000); + + clk_put(cpu_clk); + regulator_put(regulator); + return 0; +} + +static struct cpufreq_driver mx3_driver = { + .flags = CPUFREQ_STICKY, + .verify = mx3_verify_speed, + .target = mx3_set_target, + .get = mx3_get_speed, + .init = mx3_cpufreq_driver_init, + .exit = mx3_cpufreq_driver_exit, + .name = "imx3x", +}; + +static int __devinit mx3_cpufreq_init(void) +{ + return cpufreq_register_driver(&mx3_driver); +} + +static void mx3_cpufreq_exit(void) +{ + cpufreq_unregister_driver(&mx3_driver); +} + +module_init(mx3_cpufreq_init); +module_exit(mx3_cpufreq_exit); + +MODULE_AUTHOR("Liam Girdwood "); +MODULE_DESCRIPTION("CPUfreq driver for i.mx3x"); +MODULE_LICENSE("GPL"); diff --git a/drivers/hwmon/Kconfig b/drivers/hwmon/Kconfig index d73f5f4..c5dd718 100644 --- a/drivers/hwmon/Kconfig +++ b/drivers/hwmon/Kconfig @@ -910,6 +910,16 @@ config SENSORS_W83627EHF This driver can also be built as a module. If so, the module will be called w83627ehf. +config SENSORS_WM8350 + tristate "Wolfson Microelectronics WM835x" + depends on MFD_WM8350 + help + If you say yes here you get support for the hardware + monitoring features of the WM835x series of PMICs. + + This driver can also be built as a module. If so, the module + will be called wm8350-hwmon. + config SENSORS_ULTRA45 tristate "Sun Ultra45 PIC16F747" depends on SPARC64 diff --git a/drivers/hwmon/Makefile b/drivers/hwmon/Makefile index 0ae2698..9851f2f 100644 --- a/drivers/hwmon/Makefile +++ b/drivers/hwmon/Makefile @@ -88,6 +88,7 @@ obj-$(CONFIG_SENSORS_VT8231) += vt8231.o obj-$(CONFIG_SENSORS_W83627EHF) += w83627ehf.o obj-$(CONFIG_SENSORS_W83L785TS) += w83l785ts.o obj-$(CONFIG_SENSORS_W83L786NG) += w83l786ng.o +obj-$(CONFIG_SENSORS_WM8350) += wm8350-hwmon.o ifeq ($(CONFIG_HWMON_DEBUG_CHIP),y) EXTRA_CFLAGS += -DDEBUG diff --git a/drivers/hwmon/wm8350-hwmon.c b/drivers/hwmon/wm8350-hwmon.c new file mode 100644 index 0000000..7387620 --- /dev/null +++ b/drivers/hwmon/wm8350-hwmon.c @@ -0,0 +1,149 @@ +/* + * drivers/hwmon/wm8350-hwmon.c - Wolfson Microelectroncis WM8350 PMIC + * hardware monitoring features. + * + * Copyright (C) 2009 Wolfson Microelectronics plc + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License v2 as published by the + * Free Software Foundation. + * + * 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., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA + */ + +#include +#include +#include +#include +#include + +#include +#include + +static ssize_t show_name(struct device *dev, + struct device_attribute *attr, char *buf) +{ + return sprintf(buf, "wm8350\n"); +} + +static const char *input_names[] = { + [WM8350_AUXADC_USB] = "USB" , + [WM8350_AUXADC_LINE] = "Line" , + [WM8350_AUXADC_BATT] = "Battery", +}; + + +static ssize_t show_voltage(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct wm8350 *wm8350 = dev_get_drvdata(dev); + int channel = to_sensor_dev_attr(attr)->index; + int val; + + val = wm8350_read_auxadc(wm8350, channel, 0, 0) + * WM8350_AUX_COEFF / 1000; + + return sprintf(buf, "%d\n", val); +} + +static ssize_t show_label(struct device *dev, + struct device_attribute *attr, char *buf) +{ + int channel = to_sensor_dev_attr(attr)->index; + + return sprintf(buf, "%s\n", input_names[channel]); +} + +#define WM8350_NAMED_VOLTAGE(id, name) \ + static SENSOR_DEVICE_ATTR(in##id##_input, S_IRUGO, show_voltage,\ + NULL, WM8350_AUXADC_##name); \ + static SENSOR_DEVICE_ATTR(in##id##_label, S_IRUGO, show_label, \ + NULL, WM8350_AUXADC_##name) + +static DEVICE_ATTR(name, S_IRUGO, show_name, NULL); + +WM8350_NAMED_VOLTAGE(0, USB); +WM8350_NAMED_VOLTAGE(1, BATT); +WM8350_NAMED_VOLTAGE(2, LINE); + +static struct attribute *wm8350_attributes[] = { + &dev_attr_name.attr, + + &sensor_dev_attr_in0_input.dev_attr.attr, + &sensor_dev_attr_in0_label.dev_attr.attr, + &sensor_dev_attr_in1_input.dev_attr.attr, + &sensor_dev_attr_in1_label.dev_attr.attr, + &sensor_dev_attr_in2_input.dev_attr.attr, + &sensor_dev_attr_in2_label.dev_attr.attr, + + NULL, +}; + +static const struct attribute_group wm8350_attr_group = { + .attrs = wm8350_attributes, +}; + +static int __devinit wm8350_hwmon_probe(struct platform_device *pdev) +{ + struct wm8350 *wm8350 = platform_get_drvdata(pdev); + int ret; + + ret = sysfs_create_group(&pdev->dev.kobj, &wm8350_attr_group); + if (ret) + goto err; + + wm8350->hwmon.classdev = hwmon_device_register(&pdev->dev); + if (IS_ERR(wm8350->hwmon.classdev)) { + ret = PTR_ERR(wm8350->hwmon.classdev); + goto err_group; + } + + return 0; + +err_group: + sysfs_remove_group(&pdev->dev.kobj, &wm8350_attr_group); +err: + return ret; +} + +static int __devexit wm8350_hwmon_remove(struct platform_device *pdev) +{ + struct wm8350 *wm8350 = platform_get_drvdata(pdev); + + hwmon_device_unregister(wm8350->hwmon.classdev); + sysfs_remove_group(&pdev->dev.kobj, &wm8350_attr_group); + + return 0; +} + +static struct platform_driver wm8350_hwmon_driver = { + .probe = wm8350_hwmon_probe, + .remove = __devexit_p(wm8350_hwmon_remove), + .driver = { + .name = "wm8350-hwmon", + }, +}; + +static int __init wm8350_hwmon_init(void) +{ + return platform_driver_register(&wm8350_hwmon_driver); +} +module_init(wm8350_hwmon_init); + +static void __exit wm8350_hwmon_exit(void) +{ + platform_driver_unregister(&wm8350_hwmon_driver); +} +module_exit(wm8350_hwmon_exit); + +MODULE_AUTHOR("Mark Brown"); +MODULE_DESCRIPTION("WM8350 Hardware Monitoring"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:wm8350-hwmon"); diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index ee3927a..8ad8a32 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -152,7 +152,7 @@ config MFD_WM8400 depends on I2C help Support for the Wolfson Microelecronics WM8400 PMIC and audio - CODEC. This driver adds provides common support for accessing + CODEC. This driver provides common support for accessing the device, additional drivers must be enabled in order to use the functionality of the device. diff --git a/drivers/mfd/htc-pasic3.c b/drivers/mfd/htc-pasic3.c index 386da15..cb73051 100644 --- a/drivers/mfd/htc-pasic3.c +++ b/drivers/mfd/htc-pasic3.c @@ -35,7 +35,7 @@ struct pasic3_data { */ void pasic3_write_register(struct device *dev, u32 reg, u8 val) { - struct pasic3_data *asic = dev->driver_data; + struct pasic3_data *asic = dev_get_drvdata(dev); int bus_shift = asic->bus_shift; void __iomem *addr = asic->mapping + (REG_ADDR << bus_shift); void __iomem *data = asic->mapping + (REG_DATA << bus_shift); @@ -50,7 +50,7 @@ EXPORT_SYMBOL(pasic3_write_register); /* for leds-pasic3 */ */ u8 pasic3_read_register(struct device *dev, u32 reg) { - struct pasic3_data *asic = dev->driver_data; + struct pasic3_data *asic = dev_get_drvdata(dev); int bus_shift = asic->bus_shift; void __iomem *addr = asic->mapping + (REG_ADDR << bus_shift); void __iomem *data = asic->mapping + (REG_DATA << bus_shift); diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c index 11a6248..082c197 100644 --- a/drivers/mfd/pcf50633-core.c +++ b/drivers/mfd/pcf50633-core.c @@ -618,7 +618,7 @@ static int __devinit pcf50633_probe(struct i2c_client *client, pdev->dev.parent = pcf->dev; pdev->dev.platform_data = &pdata->reg_init_data[i]; - pdev->dev.driver_data = pcf; + dev_set_drvdata(&pdev->dev, pcf); pcf->regulator_pdev[i] = pdev; platform_device_add(pdev); diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c index fe24079..9d662a5 100644 --- a/drivers/mfd/wm8350-core.c +++ b/drivers/mfd/wm8350-core.c @@ -1472,6 +1472,8 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq, &(wm8350->codec.pdev)); wm8350_client_dev_register(wm8350, "wm8350-gpio", &(wm8350->gpio.pdev)); + wm8350_client_dev_register(wm8350, "wm8350-hwmon", + &(wm8350->hwmon.pdev)); wm8350_client_dev_register(wm8350, "wm8350-power", &(wm8350->power.pdev)); wm8350_client_dev_register(wm8350, "wm8350-rtc", &(wm8350->rtc.pdev)); @@ -1498,6 +1500,7 @@ void wm8350_device_exit(struct wm8350 *wm8350) platform_device_unregister(wm8350->wdt.pdev); platform_device_unregister(wm8350->rtc.pdev); platform_device_unregister(wm8350->power.pdev); + platform_device_unregister(wm8350->hwmon.pdev); platform_device_unregister(wm8350->gpio.pdev); platform_device_unregister(wm8350->codec.pdev); diff --git a/drivers/mfd/wm8350-regmap.c b/drivers/mfd/wm8350-regmap.c index 9a4cc95..7ccc1ea 100644 --- a/drivers/mfd/wm8350-regmap.c +++ b/drivers/mfd/wm8350-regmap.c @@ -3186,7 +3186,7 @@ const struct wm8350_reg_access wm8350_reg_io_map[] = { /* read write volatile */ { 0xFFFF, 0xFFFF, 0xFFFF }, /* R0 - Reset/ID */ { 0x7CFF, 0x0C00, 0x7FFF }, /* R1 - ID */ - { 0x0000, 0x0000, 0x0000 }, /* R2 */ + { 0x007F, 0x0000, 0x0000 }, /* R2 - ROM Mask ID */ { 0xBE3B, 0xBE3B, 0x8000 }, /* R3 - System Control 1 */ { 0xFEF7, 0xFEF7, 0xF800 }, /* R4 - System Control 2 */ { 0x80FF, 0x80FF, 0x8000 }, /* R5 - System Hibernate */ @@ -3411,7 +3411,7 @@ const struct wm8350_reg_access wm8350_reg_io_map[] = { { 0x0000, 0x0000, 0x0000 }, /* R224 */ { 0x8F3F, 0x0000, 0xFFFF }, /* R225 - DCDC/LDO status */ { 0x0000, 0x0000, 0xFFFF }, /* R226 - Charger status */ - { 0x0000, 0x0000, 0xFFFF }, /* R227 */ + { 0x34FE, 0x0000, 0xFFFF }, /* R227 */ { 0x0000, 0x0000, 0x0000 }, /* R228 */ { 0x0000, 0x0000, 0x0000 }, /* R229 */ { 0xFFFF, 0x1FFF, 0xFFFF }, /* R230 - GPIO Pin Status */ diff --git a/drivers/mfd/wm8400-core.c b/drivers/mfd/wm8400-core.c index cf30d06..7c21bf7 100644 --- a/drivers/mfd/wm8400-core.c +++ b/drivers/mfd/wm8400-core.c @@ -265,7 +265,7 @@ static int wm8400_init(struct wm8400 *wm8400, mutex_init(&wm8400->io_lock); - wm8400->dev->driver_data = wm8400; + dev_set_drvdata(wm8400->dev, wm8400); /* Check that this is actually a WM8400 */ ret = wm8400->read_dev(wm8400->io_data, WM8400_RESET_ID, 1, ®); diff --git a/drivers/power/olpc_battery.c b/drivers/power/olpc_battery.c index 5fbca26..924d323 100644 --- a/drivers/power/olpc_battery.c +++ b/drivers/power/olpc_battery.c @@ -228,6 +228,14 @@ static int olpc_bat_get_property(struct power_supply *psy, if (ret) return ret; break; + case POWER_SUPPLY_PROP_CHARGE_TYPE: + if (ec_byte & BAT_STAT_TRICKLE) + val->intval = POWER_SUPPLY_CHARGE_TYPE_TRICKLE; + else if (ec_byte & BAT_STAT_CHARGING) + val->intval = POWER_SUPPLY_CHARGE_TYPE_FAST; + else + val->intval = POWER_SUPPLY_CHARGE_TYPE_NONE; + break; case POWER_SUPPLY_PROP_PRESENT: val->intval = !!(ec_byte & BAT_STAT_PRESENT); break; @@ -311,6 +319,7 @@ static int olpc_bat_get_property(struct power_supply *psy, static enum power_supply_property olpc_bat_props[] = { POWER_SUPPLY_PROP_STATUS, + POWER_SUPPLY_PROP_CHARGE_TYPE, POWER_SUPPLY_PROP_PRESENT, POWER_SUPPLY_PROP_HEALTH, POWER_SUPPLY_PROP_TECHNOLOGY, diff --git a/drivers/power/power_supply_sysfs.c b/drivers/power/power_supply_sysfs.c index da73591..f8296fc 100644 --- a/drivers/power/power_supply_sysfs.c +++ b/drivers/power/power_supply_sysfs.c @@ -43,6 +43,9 @@ static ssize_t power_supply_show_property(struct device *dev, static char *status_text[] = { "Unknown", "Charging", "Discharging", "Not charging", "Full" }; + static char *charge_type[] = { + "Unknown", "N/A", "Trickle", "Fast" + }; static char *health_text[] = { "Unknown", "Good", "Overheat", "Dead", "Over voltage", "Unspecified failure", "Cold", @@ -67,6 +70,8 @@ static ssize_t power_supply_show_property(struct device *dev, if (off == POWER_SUPPLY_PROP_STATUS) return sprintf(buf, "%s\n", status_text[value.intval]); + else if (off == POWER_SUPPLY_PROP_CHARGE_TYPE) + return sprintf(buf, "%s\n", charge_type[value.intval]); else if (off == POWER_SUPPLY_PROP_HEALTH) return sprintf(buf, "%s\n", health_text[value.intval]); else if (off == POWER_SUPPLY_PROP_TECHNOLOGY) @@ -81,6 +86,7 @@ static ssize_t power_supply_show_property(struct device *dev, static struct device_attribute power_supply_attrs[] = { /* Properties of type `int' */ POWER_SUPPLY_ATTR(status), + POWER_SUPPLY_ATTR(charge_type), POWER_SUPPLY_ATTR(health), POWER_SUPPLY_ATTR(present), POWER_SUPPLY_ATTR(online), diff --git a/drivers/power/wm8350_power.c b/drivers/power/wm8350_power.c index 1b16bf3..28b0299 100644 --- a/drivers/power/wm8350_power.c +++ b/drivers/power/wm8350_power.c @@ -321,6 +321,24 @@ static int wm8350_bat_check_health(struct wm8350 *wm8350) return POWER_SUPPLY_HEALTH_GOOD; } +static int wm8350_bat_get_charge_type(struct wm8350 *wm8350) +{ + int state; + + state = wm8350_reg_read(wm8350, WM8350_BATTERY_CHARGER_CONTROL_2) & + WM8350_CHG_STS_MASK; + switch (state) { + case WM8350_CHG_STS_OFF: + return POWER_SUPPLY_CHARGE_TYPE_NONE; + case WM8350_CHG_STS_TRICKLE: + return POWER_SUPPLY_CHARGE_TYPE_TRICKLE; + case WM8350_CHG_STS_FAST: + return POWER_SUPPLY_CHARGE_TYPE_FAST; + default: + return POWER_SUPPLY_CHARGE_TYPE_UNKNOWN; + } +} + static int wm8350_bat_get_property(struct power_supply *psy, enum power_supply_property psp, union power_supply_propval *val) @@ -342,6 +360,9 @@ static int wm8350_bat_get_property(struct power_supply *psy, case POWER_SUPPLY_PROP_HEALTH: val->intval = wm8350_bat_check_health(wm8350); break; + case POWER_SUPPLY_PROP_CHARGE_TYPE: + val->intval = wm8350_bat_get_charge_type(wm8350); + break; default: ret = -EINVAL; break; @@ -355,6 +376,7 @@ static enum power_supply_property wm8350_bat_props[] = { POWER_SUPPLY_PROP_ONLINE, POWER_SUPPLY_PROP_VOLTAGE_NOW, POWER_SUPPLY_PROP_HEALTH, + POWER_SUPPLY_PROP_CHARGE_TYPE, }; /********************************************************************* diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h index 42cca67..969b0b5 100644 --- a/include/linux/mfd/wm8350/core.h +++ b/include/linux/mfd/wm8350/core.h @@ -605,6 +605,11 @@ struct wm8350_irq { void *data; }; +struct wm8350_hwmon { + struct platform_device *pdev; + struct device *classdev; +}; + struct wm8350 { struct device *dev; @@ -629,6 +634,7 @@ struct wm8350 { /* Client devices */ struct wm8350_codec codec; struct wm8350_gpio gpio; + struct wm8350_hwmon hwmon; struct wm8350_pmic pmic; struct wm8350_power power; struct wm8350_rtc rtc; diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h index 594c494..f974c78 100644 --- a/include/linux/power_supply.h +++ b/include/linux/power_supply.h @@ -39,6 +39,13 @@ enum { }; enum { + POWER_SUPPLY_CHARGE_TYPE_UNKNOWN = 0, + POWER_SUPPLY_CHARGE_TYPE_NONE, + POWER_SUPPLY_CHARGE_TYPE_TRICKLE, + POWER_SUPPLY_CHARGE_TYPE_FAST, +}; + +enum { POWER_SUPPLY_HEALTH_UNKNOWN = 0, POWER_SUPPLY_HEALTH_GOOD, POWER_SUPPLY_HEALTH_OVERHEAT, @@ -61,6 +68,7 @@ enum { enum power_supply_property { /* Properties of type `int' */ POWER_SUPPLY_PROP_STATUS = 0, + POWER_SUPPLY_PROP_CHARGE_TYPE, POWER_SUPPLY_PROP_HEALTH, POWER_SUPPLY_PROP_PRESENT, POWER_SUPPLY_PROP_ONLINE, diff --git a/sound/soc/codecs/wm8350.h b/sound/soc/codecs/wm8350.h index d11bd92..d088eb4 100644 --- a/sound/soc/codecs/wm8350.h +++ b/sound/soc/codecs/wm8350.h @@ -13,6 +13,7 @@ #define _WM8350_H #include +#include extern struct snd_soc_dai wm8350_dai; extern struct snd_soc_codec_device soc_codec_dev_wm8350; diff --git a/sound/soc/codecs/wm8400-codec.h b/sound/soc/codecs/wm8400-codec.h new file mode 100644 index 0000000..cadddbe --- /dev/null +++ b/sound/soc/codecs/wm8400-codec.h @@ -0,0 +1,62 @@ +/* + * wm8400.h -- audio driver for WM8400 + * + * Copyright 2008 Wolfson Microelectronics PLC. + * Author: Mark Brown + * + * 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. + * + */ + +#ifndef _WM8400_CODEC_H +#define _WM8400_CODEC_H + +#define WM8400_MCLK_DIV 0 +#define WM8400_DACCLK_DIV 1 +#define WM8400_ADCCLK_DIV 2 +#define WM8400_BCLK_DIV 3 + +#define WM8400_MCLK_DIV_1 0x400 +#define WM8400_MCLK_DIV_2 0x800 + +#define WM8400_DAC_CLKDIV_1 0x00 +#define WM8400_DAC_CLKDIV_1_5 0x04 +#define WM8400_DAC_CLKDIV_2 0x08 +#define WM8400_DAC_CLKDIV_3 0x0c +#define WM8400_DAC_CLKDIV_4 0x10 +#define WM8400_DAC_CLKDIV_5_5 0x14 +#define WM8400_DAC_CLKDIV_6 0x18 + +#define WM8400_ADC_CLKDIV_1 0x00 +#define WM8400_ADC_CLKDIV_1_5 0x20 +#define WM8400_ADC_CLKDIV_2 0x40 +#define WM8400_ADC_CLKDIV_3 0x60 +#define WM8400_ADC_CLKDIV_4 0x80 +#define WM8400_ADC_CLKDIV_5_5 0xa0 +#define WM8400_ADC_CLKDIV_6 0xc0 + + +#define WM8400_BCLK_DIV_1 (0x0 << 1) +#define WM8400_BCLK_DIV_1_5 (0x1 << 1) +#define WM8400_BCLK_DIV_2 (0x2 << 1) +#define WM8400_BCLK_DIV_3 (0x3 << 1) +#define WM8400_BCLK_DIV_4 (0x4 << 1) +#define WM8400_BCLK_DIV_5_5 (0x5 << 1) +#define WM8400_BCLK_DIV_6 (0x6 << 1) +#define WM8400_BCLK_DIV_8 (0x7 << 1) +#define WM8400_BCLK_DIV_11 (0x8 << 1) +#define WM8400_BCLK_DIV_12 (0x9 << 1) +#define WM8400_BCLK_DIV_16 (0xA << 1) +#define WM8400_BCLK_DIV_22 (0xB << 1) +#define WM8400_BCLK_DIV_24 (0xC << 1) +#define WM8400_BCLK_DIV_32 (0xD << 1) +#define WM8400_BCLK_DIV_44 (0xE << 1) +#define WM8400_BCLK_DIV_48 (0xF << 1) + +extern struct snd_soc_codec_dai wm8400_dai; +extern struct snd_soc_codec_device soc_codec_dev_wm8400; + +#endif