diff options
| -rw-r--r-- | drivers/mfd/arizona-core.c | 527 | ||||
| -rw-r--r-- | drivers/mfd/arizona.h | 33 | ||||
| -rw-r--r-- | include/linux/mfd/arizona/core.h | 102 | ||||
| -rw-r--r-- | include/linux/mfd/arizona/pdata.h | 119 |
4 files changed, 781 insertions, 0 deletions
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c new file mode 100644 index 000000000000..42cb28b2b5c8 --- /dev/null +++ b/drivers/mfd/arizona-core.c @@ -0,0 +1,527 @@ +/* + * Arizona core driver + * + * Copyright 2012 Wolfson Microelectronics plc + * + * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/delay.h> +#include <linux/gpio.h> +#include <linux/interrupt.h> +#include <linux/mfd/core.h> +#include <linux/module.h> +#include <linux/pm_runtime.h> +#include <linux/regmap.h> +#include <linux/regulator/consumer.h> +#include <linux/slab.h> + +#include <linux/mfd/arizona/core.h> +#include <linux/mfd/arizona/registers.h> + +#include "arizona.h" + +static const char *wm5102_core_supplies[] = { + "AVDD", + "DBVDD1", + "DCVDD", +}; + +int arizona_clk32k_enable(struct arizona *arizona) +{ + int ret = 0; + + mutex_lock(&arizona->clk_lock); + + arizona->clk32k_ref++; + + if (arizona->clk32k_ref == 1) + ret = regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1, + ARIZONA_CLK_32K_ENA, + ARIZONA_CLK_32K_ENA); + + if (ret != 0) + arizona->clk32k_ref--; + + mutex_unlock(&arizona->clk_lock); + + return ret; +} +EXPORT_SYMBOL_GPL(arizona_clk32k_enable); + +int arizona_clk32k_disable(struct arizona *arizona) +{ + int ret = 0; + + mutex_lock(&arizona->clk_lock); + + BUG_ON(arizona->clk32k_ref <= 0); + + arizona->clk32k_ref--; + + if (arizona->clk32k_ref == 0) + regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1, + ARIZONA_CLK_32K_ENA, 0); + + mutex_unlock(&arizona->clk_lock); + + return ret; +} +EXPORT_SYMBOL_GPL(arizona_clk32k_disable); + +static irqreturn_t arizona_clkgen_err(int irq, void *data) +{ + struct arizona *arizona = data; + + dev_err(arizona->dev, "CLKGEN error\n"); + + return IRQ_HANDLED; +} + +static irqreturn_t arizona_underclocked(int irq, void *data) +{ + struct arizona *arizona = data; + unsigned int val; + int ret; + + ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_8, + &val); + if (ret != 0) { + dev_err(arizona->dev, "Failed to read underclock status: %d\n", + ret); + return IRQ_NONE; + } + + if (val & ARIZONA_AIF3_UNDERCLOCKED_STS) + dev_err(arizona->dev, "AIF3 underclocked\n"); + if (val & ARIZONA_AIF3_UNDERCLOCKED_STS) + dev_err(arizona->dev, "AIF3 underclocked\n"); + if (val & ARIZONA_AIF2_UNDERCLOCKED_STS) + dev_err(arizona->dev, "AIF1 underclocked\n"); + if (val & ARIZONA_ISRC2_UNDERCLOCKED_STS) + dev_err(arizona->dev, "ISRC2 underclocked\n"); + if (val & ARIZONA_ISRC1_UNDERCLOCKED_STS) + dev_err(arizona->dev, "ISRC1 underclocked\n"); + if (val & ARIZONA_FX_UNDERCLOCKED_STS) + dev_err(arizona->dev, "FX underclocked\n"); + if (val & ARIZONA_ASRC_UNDERCLOCKED_STS) + dev_err(arizona->dev, "ASRC underclocked\n"); + if (val & ARIZONA_DAC_UNDERCLOCKED_STS) + dev_err(arizona->dev, "DAC underclocked\n"); + if (val & ARIZONA_ADC_UNDERCLOCKED_STS) + dev_err(arizona->dev, "ADC underclocked\n"); + if (val & ARIZONA_MIXER_UNDERCLOCKED_STS) + dev_err(arizona->dev, "Mixer underclocked\n"); + + return IRQ_HANDLED; +} + +static irqreturn_t arizona_overclocked(int irq, void *data) +{ + struct arizona *arizona = data; + unsigned int val[2]; + int ret; + + ret = regmap_bulk_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_6, + &val[0], 2); + if (ret != 0) { + dev_err(arizona->dev, "Failed to read overclock status: %d\n", + ret); + return IRQ_NONE; + } + + if (val[0] & ARIZONA_PWM_OVERCLOCKED_STS) + dev_err(arizona->dev, "PWM overclocked\n"); + if (val[0] & ARIZONA_FX_CORE_OVERCLOCKED_STS) + dev_err(arizona->dev, "FX core overclocked\n"); + if (val[0] & ARIZONA_DAC_SYS_OVERCLOCKED_STS) + dev_err(arizona->dev, "DAC SYS overclocked\n"); + if (val[0] & ARIZONA_DAC_WARP_OVERCLOCKED_STS) + dev_err(arizona->dev, "DAC WARP overclocked\n"); + if (val[0] & ARIZONA_ADC_OVERCLOCKED_STS) + dev_err(arizona->dev, "ADC overclocked\n"); + if (val[0] & ARIZONA_MIXER_OVERCLOCKED_STS) + dev_err(arizona->dev, "Mixer overclocked\n"); + if (val[0] & ARIZONA_AIF3_SYNC_OVERCLOCKED_STS) + dev_err(arizona->dev, "AIF3 overclocked\n"); + if (val[0] & ARIZONA_AIF2_SYNC_OVERCLOCKED_STS) + dev_err(arizona->dev, "AIF2 overclocked\n"); + if (val[0] & ARIZONA_AIF1_SYNC_OVERCLOCKED_STS) + dev_err(arizona->dev, "AIF1 overclocked\n"); + if (val[0] & ARIZONA_PAD_CTRL_OVERCLOCKED_STS) + dev_err(arizona->dev, "Pad control overclocked\n"); + + if (val[1] & ARIZONA_SLIMBUS_SUBSYS_OVERCLOCKED_STS) + dev_err(arizona->dev, "Slimbus subsystem overclocked\n"); + if (val[1] & ARIZONA_SLIMBUS_ASYNC_OVERCLOCKED_STS) + dev_err(arizona->dev, "Slimbus async overclocked\n"); + if (val[1] & ARIZONA_SLIMBUS_SYNC_OVERCLOCKED_STS) + dev_err(arizona->dev, "Slimbus sync overclocked\n"); + if (val[1] & ARIZONA_ASRC_ASYNC_SYS_OVERCLOCKED_STS) + dev_err(arizona->dev, "ASRC async system overclocked\n"); + if (val[1] & ARIZONA_ASRC_ASYNC_WARP_OVERCLOCKED_STS) + dev_err(arizona->dev, "ASRC async WARP overclocked\n"); + if (val[1] & ARIZONA_ASRC_SYNC_SYS_OVERCLOCKED_STS) + dev_err(arizona->dev, "ASRC sync system overclocked\n"); + if (val[1] & ARIZONA_ASRC_SYNC_WARP_OVERCLOCKED_STS) + dev_err(arizona->dev, "ASRC sync WARP overclocked\n"); + if (val[1] & ARIZONA_ADSP2_1_OVERCLOCKED_STS) + dev_err(arizona->dev, "DSP1 overclocked\n"); + if (val[1] & ARIZONA_ISRC2_OVERCLOCKED_STS) + dev_err(arizona->dev, "ISRC2 overclocked\n"); + if (val[1] & ARIZONA_ISRC1_OVERCLOCKED_STS) + dev_err(arizona->dev, "ISRC1 overclocked\n"); + + return IRQ_HANDLED; +} + +static int arizona_wait_for_boot(struct arizona *arizona) +{ + unsigned int reg; + int ret, i; + + /* + * We can't use an interrupt as we need to runtime resume to do so, + * we won't race with the interrupt handler as it'll be blocked on + * runtime resume. + */ + for (i = 0; i < 5; i++) { + msleep(1); + + ret = regmap_read(arizona->regmap, + ARIZONA_INTERRUPT_RAW_STATUS_5, ®); + if (ret != 0) { + dev_err(arizona->dev, "Failed to read boot state: %d\n", + ret); + return ret; + } + + if (reg & ARIZONA_BOOT_DONE_STS) + break; + } + + if (reg & ARIZONA_BOOT_DONE_STS) { + regmap_write(arizona->regmap, ARIZONA_INTERRUPT_STATUS_5, + ARIZONA_BOOT_DONE_STS); + } else { + dev_err(arizona->dev, "Device boot timed out: %x\n", reg); + return -ETIMEDOUT; + } + + pm_runtime_mark_last_busy(arizona->dev); + + return 0; +} + +#ifdef CONFIG_PM_RUNTIME +static int arizona_runtime_resume(struct device *dev) +{ + struct arizona *arizona = dev_get_drvdata(dev); + int ret; + + if (arizona->pdata.ldoena) + gpio_set_value_cansleep(arizona->pdata.ldoena, 1); + + regcache_cache_only(arizona->regmap, false); + + ret = arizona_wait_for_boot(arizona); + if (ret != 0) + return ret; + + regcache_sync(arizona->regmap); + + return 0; +} + +static int arizona_runtime_suspend(struct device *dev) +{ + struct arizona *arizona = dev_get_drvdata(dev); + + if (arizona->pdata.ldoena) { + gpio_set_value_cansleep(arizona->pdata.ldoena, 0); + regcache_cache_only(arizona->regmap, true); + regcache_mark_dirty(arizona->regmap); + } + + return 0; +} +#endif + +const struct dev_pm_ops arizona_pm_ops = { + SET_RUNTIME_PM_OPS(arizona_runtime_suspend, + arizona_runtime_resume, + NULL) +}; +EXPORT_SYMBOL_GPL(arizona_pm_ops); + +static struct mfd_cell early_devs[] = { + { .name = "arizona-ldo1" }, +}; + +static struct mfd_cell wm5102_devs[] = { + { .name = "arizona-extcon" }, + { .name = "arizona-gpio" }, + { .name = "arizona-micsupp" }, + { .name = "arizona-pwm" }, + { .name = "wm5102-codec" }, +}; + +int __devinit arizona_dev_init(struct arizona *arizona) +{ + struct device *dev = arizona->dev; + const char *type_name; + unsigned int reg, val; + int ret, i; + + dev_set_drvdata(arizona->dev, arizona); + mutex_init(&arizona->clk_lock); + + if (dev_get_platdata(arizona->dev)) + memcpy(&arizona->pdata, dev_get_platdata(arizona->dev), + sizeof(arizona->pdata)); + + regcache_cache_only(arizona->regmap, true); + + switch (arizona->type) { + case WM5102: + for (i = 0; i < ARRAY_SIZE(wm5102_core_supplies); i++) + arizona->core_supplies[i].supply + = wm5102_core_supplies[i]; + arizona->num_core_supplies = ARRAY_SIZE(wm5102_core_supplies); + break; + default: + dev_err(arizona->dev, "Unknown device type %d\n", + arizona->type); + return -EINVAL; + } + + ret = mfd_add_devices(arizona->dev, -1, early_devs, + ARRAY_SIZE(early_devs), NULL, 0); + if (ret != 0) { + dev_err(dev, "Failed to add early children: %d\n", ret); + return ret; + } + + ret = devm_regulator_bulk_get(dev, arizona->num_core_supplies, + arizona->core_supplies); + if (ret != 0) { + dev_err(dev, "Failed to request core supplies: %d\n", + ret); + goto err_early; + } + + ret = regulator_bulk_enable(arizona->num_core_supplies, + arizona->core_supplies); + if (ret != 0) { + dev_err(dev, "Failed to enable core supplies: %d\n", + ret); + goto err_early; + } + + if (arizona->pdata.reset) { + /* Start out with /RESET low to put the chip into reset */ + ret = gpio_request_one(arizona->pdata.reset, + GPIOF_DIR_OUT | GPIOF_INIT_LOW, + "arizona /RESET"); + if (ret != 0) { + dev_err(dev, "Failed to request /RESET: %d\n", ret); + goto err_enable; + } + + gpio_set_value_cansleep(arizona->pdata.reset, 1); + } + + if (arizona->pdata.ldoena) { + ret = gpio_request_one(arizona->pdata.ldoena, + GPIOF_DIR_OUT | GPIOF_INIT_HIGH, + "arizona LDOENA"); + if (ret != 0) { + dev_err(dev, "Failed to request LDOENA: %d\n", ret); + goto err_reset; + } + } + + regcache_cache_only(arizona->regmap, false); + + ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, ®); + if (ret != 0) { + dev_err(dev, "Failed to read ID register: %d\n", ret); + goto err_ldoena; + } + + ret = regmap_read(arizona->regmap, ARIZONA_DEVICE_REVISION, + &arizona->rev); + if (ret != 0) { + dev_err(dev, "Failed to read revision register: %d\n", ret); + goto err_ldoena; + } + arizona->rev &= ARIZONA_DEVICE_REVISION_MASK; + + switch (reg) { + case 0x5102: + type_name = "WM5102"; + if (arizona->type != WM5102) { + dev_err(arizona->dev, "WM5102 registered as %d\n", + arizona->type); + arizona->type = WM5102; + } + ret = wm5102_patch(arizona); + break; + + default: + dev_err(arizona->dev, "Unknown device ID %x\n", reg); + goto err_ldoena; + } + + dev_info(dev, "%s revision %c\n", type_name, arizona->rev + 'A'); + + if (ret != 0) + dev_err(arizona->dev, "Failed to apply patch: %d\n", ret); + + /* If we have a /RESET GPIO we'll already be reset */ + if (!arizona->pdata.reset) { + ret = regmap_write(arizona->regmap, ARIZONA_SOFTWARE_RESET, 0); + if (ret != 0) { + dev_err(dev, "Failed to reset device: %d\n", ret); + goto err_ldoena; + } + } + + arizona_wait_for_boot(arizona); + + for (i = 0; i < ARRAY_SIZE(arizona->pdata.gpio_defaults); i++) { + if (!arizona->pdata.gpio_defaults[i]) + continue; + + regmap_write(arizona->regmap, ARIZONA_GPIO1_CTRL + i, + arizona->pdata.gpio_defaults[i]); + } + + pm_runtime_set_autosuspend_delay(arizona->dev, 100); + pm_runtime_use_autosuspend(arizona->dev); + pm_runtime_enable(arizona->dev); + + /* Chip default */ + if (!arizona->pdata.clk32k_src) + arizona->pdata.clk32k_src = ARIZONA_32KZ_MCLK2; + + switch (arizona->pdata.clk32k_src) { + case ARIZONA_32KZ_MCLK1: + case ARIZONA_32KZ_MCLK2: + regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1, + ARIZONA_CLK_32K_SRC_MASK, + arizona->pdata.clk32k_src - 1); + break; + case ARIZONA_32KZ_NONE: + regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1, + ARIZONA_CLK_32K_SRC_MASK, 2); + break; + default: + dev_err(arizona->dev, "Invalid 32kHz clock source: %d\n", + arizona->pdata.clk32k_src); + ret = -EINVAL; + goto err_ldoena; + } + + for (i = 0; i < ARIZONA_MAX_INPUT; i++) { + /* Default for both is 0 so noop with defaults */ + val = arizona->pdata.dmic_ref[i] + << ARIZONA_IN1_DMIC_SUP_SHIFT; + val |= arizona->pdata.inmode[i] << ARIZONA_IN1_MODE_SHIFT; + + regmap_update_bits(arizona->regmap, + ARIZONA_IN1L_CONTROL + (i * 8), + ARIZONA_IN1_DMIC_SUP_MASK | + ARIZONA_IN1_MODE_MASK, val); + } + + for (i = 0; i < ARIZONA_MAX_OUTPUT; i++) { + /* Default is 0 so noop with defaults */ + if (arizona->pdata.out_mono[i]) + val = ARIZONA_OUT1_MONO; + else + val = 0; + + regmap_update_bits(arizona->regmap, + ARIZONA_OUTPUT_PATH_CONFIG_1L + (i * 8), + ARIZONA_OUT1_MONO, val); + } + + BUILD_BUG_ON(ARIZONA_MAX_PDM_SPK > 1); + for (i = 0; i < ARIZONA_MAX_PDM_SPK; i++) { + if (arizona->pdata.spk_mute[i]) + regmap_update_bits(arizona->regmap, + ARIZONA_PDM_SPK1_CTRL_1, + ARIZONA_SPK1_MUTE_ENDIAN_MASK | + ARIZONA_SPK1_MUTE_SEQ1_MASK, + arizona->pdata.spk_mute[i]); + + if (arizona->pdata.spk_fmt[i]) + regmap_update_bits(arizona->regmap, + ARIZONA_PDM_SPK1_CTRL_2, + ARIZONA_SPK1_FMT_MASK, + arizona->pdata.spk_fmt[i]); + } + + /* Set up for interrupts */ + ret = arizona_irq_init(arizona); + if (ret != 0) + goto err_ldoena; + + arizona_request_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, "CLKGEN error", + arizona_clkgen_err, arizona); + arizona_request_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, "Overclocked", + arizona_overclocked, arizona); + arizona_request_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, "Underclocked", + arizona_underclocked, arizona); + + switch (arizona->type) { + case WM5102: + ret = mfd_add_devices(arizona->dev, -1, wm5102_devs, + ARRAY_SIZE(wm5102_devs), NULL, 0); + break; + } + + if (ret != 0) { + dev_err(arizona->dev, "Failed to add subdevices: %d\n", ret); + goto err_irq; + } + + return 0; + +err_irq: + arizona_irq_exit(arizona); +err_ldoena: + if (arizona->pdata.ldoena) { + gpio_set_value_cansleep(arizona->pdata.ldoena, 0); + gpio_free(arizona->pdata.ldoena); + } +err_reset: + if (arizona->pdata.reset) { + gpio_set_value_cansleep(arizona->pdata.reset, 1); + gpio_free(arizona->pdata.reset); + } +err_enable: + regulator_bulk_disable(ARRAY_SIZE(arizona->core_supplies), + arizona->core_supplies); +err_early: + mfd_remove_devices(dev); + return ret; +} +EXPORT_SYMBOL_GPL(arizona_dev_init); + +int __devexit arizona_dev_exit(struct arizona *arizona) +{ + mfd_remove_devices(arizona->dev); + arizona_free_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, arizona); + arizona_free_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, arizona); + arizona_free_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, arizona); + pm_runtime_disable(arizona->dev); + arizona_irq_exit(arizona); + return 0; +} +EXPORT_SYMBOL_GPL(arizona_dev_exit); diff --git a/drivers/mfd/arizona.h b/drivers/mfd/arizona.h new file mode 100644 index 000000000000..1c9f333a9c17 --- /dev/null +++ b/drivers/mfd/arizona.h @@ -0,0 +1,33 @@ +/* + * wm5102.h -- WM5102 MFD internals + * + * Copyright 2012 Wolfson Microelectronics plc + * + * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> + * + * 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. + */ + +#ifndef _WM5102_H +#define _WM5102_H + +#include <linux/regmap.h> +#include <linux/pm.h> + +struct wm_arizona; + +extern const struct regmap_config wm5102_i2c_regmap; +extern const struct regmap_config wm5102_spi_regmap; +extern const struct dev_pm_ops arizona_pm_ops; + +extern const struct regmap_irq_chip wm5102_aod; +extern const struct regmap_irq_chip wm5102_irq; + +int arizona_dev_init(struct arizona *arizona); +int arizona_dev_exit(struct arizona *arizona); +int arizona_irq_init(struct arizona *arizona); +int arizona_irq_exit(struct arizona *arizona); + +#endif diff --git a/include/linux/mfd/arizona/core.h b/include/linux/mfd/arizona/core.h new file mode 100644 index 000000000000..0157d845c2ff --- /dev/null +++ b/include/linux/mfd/arizona/core.h @@ -0,0 +1,102 @@ +/* + * Arizona MFD internals + * + * Copyright 2012 Wolfson Microelectronics plc + * + * Author: Mark Brown <broonie@opensource.wolfsonmicro.com> + * + * 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. + */ + +#ifndef _WM_ARIZONA_CORE_H +#define _WM_ARIZONA_CORE_H + +#include <linux/interrupt.h> +#include <linux/regmap.h> +#include <linux/regulator/consumer.h> +#include <linux/mfd/arizona/pdata.h> + +#define ARIZONA_MAX_CORE_SUPPLIES 3 + +enum arizona_type { + WM5102 = 1, +}; + +#define ARIZONA_IRQ_GP1 0 +#define ARIZONA_IRQ_GP2 1 +#define ARIZONA_IRQ_GP3 2 +#define ARIZONA_IRQ_GP4 3 +#define ARIZONA_IRQ_GP5_FALL 4 +#define ARIZONA_IRQ_GP5_RISE 5 +#define ARIZONA_IRQ_JD_FALL 6 +#define ARIZONA_IRQ_JD_RISE 7 +#define ARIZONA_IRQ_DSP1_RAM_RDY 8 +#define ARIZONA_IRQ_DSP_IRQ1 9 +#define ARIZONA_IRQ_DSP_IRQ2 10 +#define ARIZONA_IRQ_SPK_SHUTDOWN_WARN 11 +#define ARIZONA_IRQ_SPK_SHUTDOWN 12 +#define ARIZONA_IRQ_MICDET 13 +#define ARIZONA_IRQ_HPDET 14 +#define ARIZONA_IRQ_WSEQ_DONE 15 +#define ARIZONA_IRQ_DRC2_SIG_DET 16 +#define ARIZONA_IRQ_DRC1_SIG_DET 17 +#define ARIZONA_IRQ_ASRC2_LOCK 18 +#define ARIZONA_IRQ_ASRC1_LOCK 19 +#define ARIZONA_IRQ_UNDERCLOCKED 20 +#define ARIZONA_IRQ_OVERCLOCKED 21 +#define ARIZONA_IRQ_FLL2_LOCK 22 +#define ARIZONA_IRQ_FLL1_LOCK 23 +#define ARIZONA_IRQ_CLKGEN_ERR 24 +#define ARIZONA_IRQ_CLKGEN_ERR_ASYNC 25 +#define ARIZONA_IRQ_ASRC_CFG_ERR 26 +#define ARIZONA_IRQ_AIF3_ERR 27 +#define ARIZONA_IRQ_AIF2_ERR 28 +#define ARIZONA_IRQ_AIF1_ERR 29 +#define ARIZONA_IRQ_CTRLIF_ERR 30 +#define ARIZONA_IRQ_MIXER_DROPPED_SAMPLES 31 +#define ARIZONA_IRQ_ASYNC_CLK_ENA_LOW 32 +#define ARIZONA_IRQ_SYSCLK_ENA_LOW 33 +#define ARIZONA_IRQ_ISRC1_CFG_ERR 34 +#define ARIZONA_IRQ_ISRC2_CFG_ERR 35 +#define ARIZONA_IRQ_BOOT_DONE 36 +#define ARIZONA_IRQ_DCS_DAC_DONE 37 +#define ARIZONA_IRQ_DCS_HP_DONE 38 +#define ARIZONA_IRQ_FLL2_CLOCK_OK 39 +#define ARIZONA_IRQ_FLL1_CLOCK_OK 40 + +#define ARIZONA_NUM_IRQ 41 + +struct arizona { + struct regmap *regmap; + struct device *dev; + + enum arizona_type type; + unsigned int rev; + + int num_core_supplies; + struct regulator_bulk_data core_supplies[ARIZONA_MAX_CORE_SUPPLIES]; + + struct arizona_pdata pdata; + + int irq; + struct irq_domain *virq; + struct regmap_irq_chip_data *aod_irq_chip; + struct regmap_irq_chip_data *irq_chip; + + struct mutex clk_lock; + int clk32k_ref; +}; + +int arizona_clk32k_enable(struct arizona *arizona); +int arizona_clk32k_disable(struct arizona *arizona); + +int arizona_request_irq(struct arizona *arizona, int irq, char *name, + irq_handler_t handler, void *data); +void arizona_free_irq(struct arizona *arizona, int irq, void *data); +int arizona_set_irq_wake(struct arizona *arizona, int irq, int on); + +int wm5102_patch(struct arizona *arizona); + +#endif diff --git a/include/linux/mfd/arizona/pdata.h b/include/linux/mfd/arizona/pdata.h new file mode 100644 index 000000000000..fa2cb9885d62 --- /dev/null +++ b/include/linux/mfd/arizona/pdata.h @@ -0,0 +1,119 @@ +/* + * Platform data for Arizona devices + * + * Copyright 2012 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 version 2 as + * published by the Free Software Foundation. + */ + +#ifndef _ARIZONA_PDATA_H +#define _ARIZONA_PDATA_H + +#define ARIZONA_GPN_DIR 0x8000 /* GPN_DIR */ +#define ARIZONA_GPN_DIR_MASK 0x8000 /* GPN_DIR */ +#define ARIZONA_GPN_DIR_SHIFT 15 /* GPN_DIR */ +#define ARIZONA_GPN_DIR_WIDTH 1 /* GPN_DIR */ +#define ARIZONA_GPN_PU 0x4000 /* GPN_PU */ +#define ARIZONA_GPN_PU_MASK 0x4000 /* GPN_PU */ +#define ARIZONA_GPN_PU_SHIFT 14 /* GPN_PU */ +#define ARIZONA_GPN_PU_WIDTH 1 /* GPN_PU */ +#define ARIZONA_GPN_PD 0x2000 /* GPN_PD */ +#define ARIZONA_GPN_PD_MASK 0x2000 /* GPN_PD */ +#define ARIZONA_GPN_PD_SHIFT 13 /* GPN_PD */ +#define ARIZONA_GPN_PD_WIDTH 1 /* GPN_PD */ +#define ARIZONA_GPN_LVL 0x0800 /* GPN_LVL */ +#define ARIZONA_GPN_LVL_MASK 0x0800 /* GPN_LVL */ +#define ARIZONA_GPN_LVL_SHIFT 11 /* GPN_LVL */ +#define ARIZONA_GPN_LVL_WIDTH 1 /* GPN_LVL */ +#define ARIZONA_GPN_POL 0x0400 /* GPN_POL */ +#define ARIZONA_GPN_POL_MASK 0x0400 /* GPN_POL */ +#define ARIZONA_GPN_POL_SHIFT 10 /* GPN_POL */ +#define ARIZONA_GPN_POL_WIDTH 1 /* GPN_POL */ +#define ARIZONA_GPN_OP_CFG 0x0200 /* GPN_OP_CFG */ +#define ARIZONA_GPN_OP_CFG_MASK 0x0200 /* GPN_OP_CFG */ +#define ARIZONA_GPN_OP_CFG_SHIFT 9 /* GPN_OP_CFG */ +#define ARIZONA_GPN_OP_CFG_WIDTH 1 /* GPN_OP_CFG */ +#define ARIZONA_GPN_DB 0x0100 /* GPN_DB */ +#define ARIZONA_GPN_DB_MASK 0x0100 /* GPN_DB */ +#define ARIZONA_GPN_DB_SHIFT 8 /* GPN_DB */ +#define ARIZONA_GPN_DB_WIDTH 1 /* GPN_DB */ +#define ARIZONA_GPN_FN_MASK 0x007F /* GPN_FN - [6:0] */ +#define ARIZONA_GPN_FN_SHIFT 0 /* GPN_FN - [6:0] */ +#define ARIZONA_GPN_FN_WIDTH 7 /* GPN_FN - [6:0] */ + +#define ARIZONA_MAX_GPIO 5 + +#define ARIZONA_32KZ_MCLK1 1 +#define ARIZONA_32KZ_MCLK2 2 +#define ARIZONA_32KZ_NONE 3 + +#define ARIZONA_MAX_INPUT 3 + +#define ARIZONA_DMIC_MICVDD 0 +#define ARIZONA_DMIC_MICBIAS1 1 +#define ARIZONA_DMIC_MICBIAS2 2 +#define ARIZONA_DMIC_MICBIAS3 3 + +#define ARIZONA_INMODE_DIFF 0 +#define ARIZONA_INMODE_SE 1 +#define ARIZONA_INMODE_DMIC 2 + +#define ARIZONA_MAX_OUTPUT 5 + +#define ARIZONA_MAX_PDM_SPK 1 + +struct regulator_init_data; + +struct arizona_micd_config { + unsigned int src; + unsigned int bias; + bool gpio; +}; + +struct arizona_pdata { + int reset; /** GPIO controlling /RESET, if any */ + int ldoena; /** GPIO controlling LODENA, if any */ + + /** Regulator configuration for MICVDD */ + struct regulator_init_data *micvdd; + + /** Regulator configuration for LDO1 */ + struct regulator_init_data *ldo1; + + /** If a direct 32kHz clock is provided on an MCLK specify it here */ + int clk32k_src; + + bool irq_active_high; /** IRQ polarity */ + + /* Base GPIO */ + int gpio_base; + + /** Pin state for GPIO pins */ + int gpio_defaults[ARIZONA_MAX_GPIO]; + + /** GPIO for mic detection polarity */ + int micd_pol_gpio; + + /** Headset polarity configurations */ + struct arizona_micd_config *micd_configs; + int num_micd_configs; + + /** Reference voltage for DMIC inputs */ + int dmic_ref[ARIZONA_MAX_INPUT]; + + /** Mode of input structures */ + int inmode[ARIZONA_MAX_INPUT]; + + /** Mode for outputs */ + bool out_mono[ARIZONA_MAX_OUTPUT]; + + /** PDM speaker mute setting */ + unsigned int spk_mute[ARIZONA_MAX_PDM_SPK]; + + /** PDM speaker format */ + unsigned int spk_fmt[ARIZONA_MAX_PDM_SPK]; +}; + +#endif |