Google Git
Sign in
nest-open-source / nest-hello / linux-3.10 / 88783dd411e691fbf66594cb7832185bb08e3d3e / . / drivers / mfd / arizona-core.c
blob: ac4250e083bb149fd4997852cfa1c9f17814cbeb [file] [log] [blame]
/*
* Arizona core driver
*
* Copyright 2014 CirrusLogic, Inc.
* 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/err.h>
#include <linux/gpio.h>
#include <linux/interrupt.h>
#include <linux/mfd/core.h>
#include <linux/module.h>
#include <linux/notifier.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/of_gpio.h>
#include <linux/pm_runtime.h>
#include <linux/regmap.h>
#include <linux/regulator/consumer.h>
#include <linux/regulator/machine.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",
};
int arizona_clk32k_enable(struct arizona *arizona)
{
int ret = 0;
mutex_lock(&arizona->clk_lock);
arizona->clk32k_ref++;
if (arizona->clk32k_ref == 1) {
switch (arizona->pdata.clk32k_src) {
case ARIZONA_32KZ_MCLK1:
ret = pm_runtime_get_sync(arizona->dev);
if (ret != 0)
goto out;
break;
}
ret = regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
ARIZONA_CLK_32K_ENA,
ARIZONA_CLK_32K_ENA);
}
out:
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);
switch (arizona->pdata.clk32k_src) {
case ARIZONA_32KZ_MCLK1:
pm_runtime_put_sync(arizona->dev);
break;
}
}
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_AIF2_UNDERCLOCKED_STS)
dev_err(arizona->dev, "AIF2 underclocked\n");
if (val & ARIZONA_AIF1_UNDERCLOCKED_STS)
dev_err(arizona->dev, "AIF1 underclocked\n");
if (val & ARIZONA_ISRC3_UNDERCLOCKED_STS)
dev_err(arizona->dev, "ISRC3 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 dropped sample\n");
return IRQ_HANDLED;
}
static irqreturn_t arizona_overclocked(int irq, void *data)
{
struct arizona *arizona = data;
unsigned int val[3];
int ret;
ret = regmap_bulk_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_6,
&val[0], 3);
if (ret != 0) {
dev_err(arizona->dev, "Failed to read overclock status: %d\n",
ret);
return IRQ_NONE;
}
switch (arizona->type) {
case WM8998:
case WM1814:
val[0] = ((val[0] & 0x60e0) >> 1) |
((val[0] & 0x1e00) >> 2) |
(val[0] & 0x000f);
break;
default:
break;
}
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_ISRC3_OVERCLOCKED_STS)
dev_err(arizona->dev, "ISRC3 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");
if (val[2] & ARIZONA_SPDIF_OVERCLOCKED_STS)
dev_err(arizona->dev, "SPDIF overclocked\n");
return IRQ_HANDLED;
}
static int arizona_poll_reg(struct arizona *arizona,
int timeout, unsigned int reg,
unsigned int mask, unsigned int target)
{
unsigned int val = 0;
int ret, i;
for (i = 0; i < timeout; i++) {
ret = regmap_read(arizona->regmap, reg, &val);
if (ret != 0) {
dev_err(arizona->dev, "Failed to read reg %u: %d\n",
reg, ret);
continue;
}
if ((val & mask) == target)
return 0;
msleep(1);
}
dev_err(arizona->dev, "Polling reg %u timed out: %x\n", reg, val);
return -ETIMEDOUT;
}
static int arizona_wait_for_boot(struct arizona *arizona)
{
int ret;
/*
* 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.
*/
switch (arizona->type) {
case WM5102:
case WM8997:
case WM1814:
case WM8998:
case WM5110:
case WM8280:
case WM1831:
case CS47L24:
ret = arizona_poll_reg(arizona, 5,
ARIZONA_INTERRUPT_RAW_STATUS_5,
ARIZONA_BOOT_DONE_STS,
ARIZONA_BOOT_DONE_STS);
if (!ret)
regmap_write(arizona->regmap,
ARIZONA_INTERRUPT_STATUS_5,
ARIZONA_BOOT_DONE_STS);
break;
default:
ret = arizona_poll_reg(arizona, 5, CLEARWATER_IRQ1_RAW_STATUS_1,
CLEARWATER_BOOT_DONE_STS1,
CLEARWATER_BOOT_DONE_STS1);
if (!ret)
regmap_write(arizona->regmap, CLEARWATER_IRQ1_STATUS_1,
CLEARWATER_BOOT_DONE_EINT1);
break;
}
pm_runtime_mark_last_busy(arizona->dev);
return ret;
}
static inline void arizona_enable_reset(struct arizona *arizona)
{
if (arizona->pdata.reset)
gpio_set_value_cansleep(arizona->pdata.reset, 0);
}
static void arizona_disable_reset(struct arizona *arizona)
{
if (arizona->pdata.reset) {
switch (arizona->type) {
case WM5110:
case WM8280:
msleep(5);
break;
default:
break;
}
gpio_set_value_cansleep(arizona->pdata.reset, 1);
msleep(1);
}
}
struct arizona_sysclk_state {
unsigned int fll;
unsigned int sysclk;
};
static int arizona_enable_freerun_sysclk(struct arizona *arizona,
struct arizona_sysclk_state *state)
{
int ret, err;
return 0;
/* Cache existing FLL and SYSCLK settings */
ret = regmap_read(arizona->regmap, ARIZONA_FLL1_CONTROL_1, &state->fll);
if (ret) {
dev_err(arizona->dev, "Failed to cache FLL settings: %d\n",
ret);
return ret;
}
ret = regmap_read(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1,
&state->sysclk);
if (ret) {
dev_err(arizona->dev, "Failed to cache SYSCLK settings: %d\n",
ret);
return ret;
}
/* Start up SYSCLK using the FLL in free running mode */
ret = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1,
ARIZONA_FLL1_ENA | ARIZONA_FLL1_FREERUN);
if (ret) {
dev_err(arizona->dev,
"Failed to start FLL in freerunning mode: %d\n",
ret);
return ret;
}
ret = arizona_poll_reg(arizona, 25, ARIZONA_INTERRUPT_RAW_STATUS_5,
ARIZONA_FLL1_CLOCK_OK_STS,
ARIZONA_FLL1_CLOCK_OK_STS);
if (ret) {
ret = -ETIMEDOUT;
goto err_fll;
}
ret = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1, 0x0144);
if (ret) {
dev_err(arizona->dev, "Failed to start SYSCLK: %d\n", ret);
goto err_fll;
}
return 0;
err_fll:
err = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, state->fll);
if (err)
dev_err(arizona->dev,
"Failed to re-apply old FLL settings: %d\n", err);
return ret;
}
static int arizona_disable_freerun_sysclk(struct arizona *arizona,
struct arizona_sysclk_state *state)
{
int ret;
return 0;
ret = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1,
state->sysclk);
if (ret) {
dev_err(arizona->dev,
"Failed to re-apply old SYSCLK settings: %d\n", ret);
return ret;
}
ret = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, state->fll);
if (ret) {
dev_err(arizona->dev,
"Failed to re-apply old FLL settings: %d\n", ret);
return ret;
}
return 0;
}
static int wm5102_apply_hardware_patch(struct arizona *arizona)
{
return 0;
/* struct arizona_sysclk_state state;
int err, ret;
ret = arizona_enable_freerun_sysclk(arizona, &state);
if (ret)
return ret;
// Start the write sequencer and wait for it to finish
ret = regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0,
ARIZONA_WSEQ_ENA | ARIZONA_WSEQ_START | 160);
if (ret) {
dev_err(arizona->dev, "Failed to start write sequencer: %d\n",
ret);
goto err;
}
ret = arizona_poll_reg(arizona, 5, ARIZONA_WRITE_SEQUENCER_CTRL_1,
ARIZONA_WSEQ_BUSY, 0);
if (ret) {
regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0,
ARIZONA_WSEQ_ABORT);
ret = -ETIMEDOUT;
}
err:
err = arizona_disable_freerun_sysclk(arizona, &state);
return ret ?: err;*/
}
/*
* Register patch to some of the CODECs internal write sequences
* to ensure a clean exit from the low power sleep state.
*/
static const struct reg_sequence wm5110_sleep_patch[] = {
{ 0x337A, 0xC100 },
{ 0x337B, 0x0041 },
{ 0x3300, 0xA210 },
{ 0x3301, 0x050C },
};
static int wm5110_apply_sleep_patch(struct arizona *arizona)
{
struct arizona_sysclk_state state;
int err, ret;
ret = arizona_enable_freerun_sysclk(arizona, &state);
if (ret)
return ret;
ret = regmap_multi_reg_write_bypassed(arizona->regmap,
wm5110_sleep_patch,
ARRAY_SIZE(wm5110_sleep_patch));
err = arizona_disable_freerun_sysclk(arizona, &state);
if (ret)
return ret;
else
return err;
}
static int wm5102_clear_write_sequencer(struct arizona *arizona)
{
int ret;
return 0;
ret = regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_3,
0x0);
if (ret) {
dev_err(arizona->dev,
"Failed to clear write sequencer state: %d\n", ret);
return ret;
}
arizona_enable_reset(arizona);
regulator_disable(arizona->dcvdd);
msleep(20);
ret = regulator_enable(arizona->dcvdd);
if (ret) {
dev_err(arizona->dev, "Failed to re-enable DCVDD: %d\n", ret);
return ret;
}
arizona_disable_reset(arizona);
return 0;
}
static int arizona_soft_reset(struct arizona *arizona)
{
int ret;
return 0;
ret = regmap_write(arizona->regmap, ARIZONA_SOFTWARE_RESET, 0);
if (ret != 0) {
dev_err(arizona->dev, "Failed to reset device: %d\n", ret);
goto err;
}
msleep(1);
err:
return ret;
}
#ifdef CONFIG_PM_RUNTIME
static int arizona_dcvdd_notify(struct notifier_block *nb,
unsigned long action, void *data)
{
struct arizona *arizona = container_of(nb, struct arizona,
dcvdd_notifier);
dev_dbg(arizona->dev, "DCVDD notify %lx\n", action);
if (action & REGULATOR_EVENT_DISABLE)
msleep(20);
return NOTIFY_DONE;
}
static int arizona_runtime_resume(struct device *dev)
{
struct arizona *arizona = dev_get_drvdata(dev);
int ret;
unsigned int offset, num_gpios = 0;
dev_dbg(arizona->dev, "Leaving AoD mode\n");
switch (arizona->type) {
case WM5110:
case WM8280:
if (arizona->rev == 3)
arizona_enable_reset(arizona);
break;
case WM5102:
case WM8997:
case WM8998:
case WM1814:
case WM1831:
case CS47L24:
break;
default:
if (arizona->external_dcvdd)
arizona_enable_reset(arizona);
break;
};
ret = regulator_enable(arizona->dcvdd);
if (ret != 0) {
dev_err(arizona->dev, "Failed to enable DCVDD: %d\n", ret);
return ret;
}
regcache_cache_only(arizona->regmap, false);
if (arizona->regmap_32bit)
regcache_cache_only(arizona->regmap_32bit, false);
switch (arizona->type) {
case WM5102:
if (arizona->external_dcvdd) {
ret = regmap_update_bits(arizona->regmap,
ARIZONA_ISOLATION_CONTROL,
ARIZONA_ISOLATE_DCVDD1, 0);
if (ret != 0) {
dev_err(arizona->dev,
"Failed to connect DCVDD: %d\n", ret);
goto err;
}
}
ret = wm5102_patch(arizona);
if (ret != 0) {
dev_err(arizona->dev, "Failed to apply patch: %d\n",
ret);
goto err;
}
ret = wm5102_apply_hardware_patch(arizona);
if (ret) {
dev_err(arizona->dev,
"Failed to apply hardware patch: %d\n",
ret);
goto err;
}
break;
case WM5110:
case WM8280:
if (arizona->rev == 3) {
if (!arizona->pdata.reset) {
ret = arizona_soft_reset(arizona);
if (ret != 0)
goto err;
} else {
arizona_disable_reset(arizona);
}
}
ret = arizona_wait_for_boot(arizona);
if (ret)
goto err;
if (arizona->external_dcvdd) {
ret = regmap_update_bits(arizona->regmap,
ARIZONA_ISOLATION_CONTROL,
ARIZONA_ISOLATE_DCVDD1, 0);
if (ret) {
dev_err(arizona->dev,
"Failed to connect DCVDD: %d\n", ret);
goto err;
}
} else {
/*
* As this is only called for the internal regulator
* (where we know voltage ranges available) it is ok
* to request an exact range.
*/
ret = regulator_set_voltage(arizona->dcvdd,
1200000, 1200000);
if (ret < 0) {
dev_err(arizona->dev,
"Failed to set resume voltage: %d\n",
ret);
goto err;
}
}
break;
case WM8997:
case WM8998:
case WM1814:
ret = arizona_wait_for_boot(arizona);
if (ret != 0) {
goto err;
}
if (arizona->external_dcvdd) {
ret = regmap_update_bits(arizona->regmap,
ARIZONA_ISOLATION_CONTROL,
ARIZONA_ISOLATE_DCVDD1, 0);
if (ret != 0) {
dev_err(arizona->dev,
"Failed to connect DCVDD: %d\n", ret);
goto err;
}
}
break;
case WM1831:
case CS47L24:
ret = arizona_wait_for_boot(arizona);
if (ret != 0) {
goto err;
}
break;
default:
if (arizona->external_dcvdd)
arizona_disable_reset(arizona);
ret = arizona_wait_for_boot(arizona);
if (ret != 0) {
goto err;
}
mutex_lock(&arizona->reg_setting_lock);
regmap_write(arizona->regmap, 0x80, 0x3);
ret = regcache_sync_region(arizona->regmap, CLEARWATER_CP_MODE,
CLEARWATER_CP_MODE);
regmap_write(arizona->regmap, 0x80, 0x0);
mutex_unlock(&arizona->reg_setting_lock);
if (ret != 0) {
dev_err(arizona->dev, "Failed to restore keyed cache\n");
goto err;
}
break;
}
switch (arizona->type) {
case WM8285:
case WM1840:
num_gpios = CLEARWATER_NUM_GPIOS;
break;
case CS47L35:
num_gpios = MARLEY_NUM_GPIOS;
break;
case CS47L90:
case CS47L91:
num_gpios = MOON_NUM_GPIOS;
break;
case CS47L15:
num_gpios = CS47L15_NUM_GPIOS;
break;
default:
break;
}
ret = regcache_sync(arizona->regmap);
if (ret != 0) {
dev_err(arizona->dev,
"Failed to restore 16-bit register cache\n");
goto err;
}
if (arizona->regmap_32bit) {
ret = regcache_sync(arizona->regmap_32bit);
if (ret != 0) {
dev_err(arizona->dev,
"Failed to restore 32-bit register cache\n");
goto err;
}
}
return 0;
err:
regcache_cache_only(arizona->regmap, true);
if (arizona->regmap_32bit)
regcache_cache_only(arizona->regmap_32bit, true);
regulator_disable(arizona->dcvdd);
return ret;
}
static int arizona_runtime_suspend(struct device *dev)
{
struct arizona *arizona = dev_get_drvdata(dev);
int ret;
dev_dbg(arizona->dev, "Entering AoD mode\n");
if (arizona->external_dcvdd) {
switch (arizona->type) {
case WM5102:
case WM5110:
case WM8997:
case WM8280:
case WM8998:
case WM1814:
ret = regmap_update_bits(arizona->regmap,
ARIZONA_ISOLATION_CONTROL,
ARIZONA_ISOLATE_DCVDD1,
ARIZONA_ISOLATE_DCVDD1);
if (ret != 0) {
dev_err(arizona->dev, "Failed to isolate DCVDD: %d\n",
ret);
return ret;
}
break;
default:
break;
}
} else {
switch (arizona->type) {
case WM5110:
case WM8280:
/*
* As this is only called for the internal regulator
* (where we know voltage ranges available) it is ok
* to request an exact range.
*/
ret = regulator_set_voltage(arizona->dcvdd,
1175000,
1175000);
if (ret < 0) {
dev_err(arizona->dev,
"Failed to set suspend voltage: %d\n",
ret);
return ret;
}
break;
default:
break;
}
}
regcache_cache_only(arizona->regmap, true);
regcache_mark_dirty(arizona->regmap);
if (arizona->regmap_32bit) {
regcache_cache_only(arizona->regmap_32bit, true);
regcache_mark_dirty(arizona->regmap_32bit);
}
regulator_disable(arizona->dcvdd);
return 0;
}
#else
static inline int arizona_dcvdd_notify(struct notifier_block *nb,
unsigned long action, void *data)
{
return 0;
}
#endif
#ifdef CONFIG_PM_SLEEP
static int arizona_suspend_noirq(struct device *dev)
{
struct arizona *arizona = dev_get_drvdata(dev);
dev_dbg(arizona->dev, "Late suspend, reenabling IRQ\n");
if (arizona->irq_sem) {
enable_irq(arizona->irq);
arizona->irq_sem = 0;
}
return 0;
}
static int arizona_suspend(struct device *dev)
{
struct arizona *arizona = dev_get_drvdata(dev);
dev_dbg(arizona->dev, "Early suspend, disabling IRQ\n");
disable_irq(arizona->irq);
arizona->irq_sem = 1;
return 0;
}
static int arizona_resume_noirq(struct device *dev)
{
struct arizona *arizona = dev_get_drvdata(dev);
dev_dbg(arizona->dev, "Early resume, disabling IRQ\n");
disable_irq(arizona->irq);
arizona->irq_sem = 1;
return 0;
}
static int arizona_resume(struct device *dev)
{
struct arizona *arizona = dev_get_drvdata(dev);
dev_dbg(arizona->dev, "Late resume, reenabling IRQ\n");
if (arizona->irq_sem) {
enable_irq(arizona->irq);
arizona->irq_sem = 0;
}
return 0;
}
#endif
const struct dev_pm_ops arizona_pm_ops = {
SET_RUNTIME_PM_OPS(arizona_runtime_suspend,
arizona_runtime_resume,
NULL)
SET_SYSTEM_SLEEP_PM_OPS(arizona_suspend, arizona_resume)
#ifdef CONFIG_PM_SLEEP
.suspend_noirq = arizona_suspend_noirq,
.resume_noirq = arizona_resume_noirq,
#endif
};
EXPORT_SYMBOL_GPL(arizona_pm_ops);
#ifdef CONFIG_OF
unsigned long arizona_of_get_type(struct device *dev)
{
const struct of_device_id *id = of_match_device(arizona_of_match, dev);
if (id)
return (unsigned long)id->data;
else
return 0;
}
EXPORT_SYMBOL_GPL(arizona_of_get_type);
int arizona_of_get_named_gpio(struct arizona *arizona, const char *prop,
bool mandatory)
{
int gpio;
gpio = of_get_named_gpio(arizona->dev->of_node, prop, 0);
if (gpio < 0) {
if (mandatory)
dev_err(arizona->dev,
"Mandatory DT gpio %s missing/malformed: %d\n",
prop, gpio);
gpio = 0;
}
return gpio;
}
EXPORT_SYMBOL_GPL(arizona_of_get_named_gpio);
int arizona_of_read_u32_array(struct arizona *arizona,
const char *prop, bool mandatory,
u32 *data, size_t num)
{
int ret;
ret = of_property_read_u32_array(arizona->dev->of_node, prop,
data, num);
if (ret >= 0)
return 0;
switch (ret) {
case -EINVAL:
if (mandatory)
dev_err(arizona->dev,
"Mandatory DT property %s is missing\n",
prop);
break;
default:
dev_err(arizona->dev,
"DT property %s is malformed: %d\n",
prop, ret);
}
return ret;
}
EXPORT_SYMBOL_GPL(arizona_of_read_u32_array);
int arizona_of_read_u32(struct arizona *arizona,
const char* prop, bool mandatory,
u32 *data)
{
return arizona_of_read_u32_array(arizona, prop, mandatory, data, 1);
}
EXPORT_SYMBOL_GPL(arizona_of_read_u32);
static int arizona_of_get_max_channels(struct arizona *arizona,
const char *prop)
{
struct arizona_pdata *pdata = &arizona->pdata;
struct device_node *np = arizona->dev->of_node;
struct property *tempprop;
const __be32 *cur;
u32 val;
int i;
i = 0;
of_property_for_each_u32(np, prop, tempprop, cur, val) {
if (i == ARRAY_SIZE(pdata->max_channels_clocked))
break;
pdata->max_channels_clocked[i++] = val;
}
return 0;
}
static int arizona_of_get_inmode(struct arizona *arizona,
const char *prop)
{
struct arizona_pdata *pdata = &arizona->pdata;
struct device_node *np = arizona->dev->of_node;
struct property *tempprop;
const __be32 *cur;
u32 val;
int i;
i = 0;
of_property_for_each_u32(np, prop, tempprop, cur, val) {
if (i == ARRAY_SIZE(pdata->inmode))
break;
pdata->inmode[i++] = val;
}
return 0;
}
static int arizona_of_get_lrclk_adv(struct arizona *arizona,
const char *prop)
{
struct arizona_pdata *pdata = &arizona->pdata;
struct device_node *np = arizona->dev->of_node;
struct property *tempprop;
const __be32 *cur;
u32 val;
int i;
i = 0;
of_property_for_each_u32(np, prop, tempprop, cur, val) {
if (i == ARRAY_SIZE(pdata->lrclk_adv))
break;
pdata->lrclk_adv[i++] = val;
}
return 0;
}
static int arizona_of_get_dmicref(struct arizona *arizona,
const char *prop)
{
struct arizona_pdata *pdata = &arizona->pdata;
struct device_node *np = arizona->dev->of_node;
struct property *tempprop;
const __be32 *cur;
u32 val;
int i;
i = 0;
of_property_for_each_u32(np, prop, tempprop, cur, val) {
if (i == ARRAY_SIZE(pdata->dmic_ref))
break;
pdata->dmic_ref[i++] = val;
}
return 0;
}
static int arizona_of_get_dmic_clksrc(struct arizona *arizona,
const char *prop)
{
struct arizona_pdata *pdata = &arizona->pdata;
struct device_node *np = arizona->dev->of_node;
struct property *tempprop;
const __be32 *cur;
u32 val;
int i;
i = 0;
of_property_for_each_u32(np, prop, tempprop, cur, val) {
if (i == ARRAY_SIZE(pdata->dmic_clksrc))
break;
pdata->dmic_clksrc[i++] = val;
}
return 0;
}
static int arizona_of_get_gpio_defaults(struct arizona *arizona,
const char *prop)
{
struct arizona_pdata *pdata = &arizona->pdata;
struct device_node *np = arizona->dev->of_node;
struct property *tempprop;
const __be32 *cur;
u32 val;
int i;
i = 0;
of_property_for_each_u32(np, prop, tempprop, cur, val) {
if (i == ARRAY_SIZE(pdata->gpio_defaults))
break;
pdata->gpio_defaults[i++] = val;
}
/*
* All values are literal except out of range values
* which are chip default, translate into platform
* data which uses 0 as chip default and out of range
* as zero.
*/
while (i > 0) {
--i;
if (pdata->gpio_defaults[i] > 0xffff)
pdata->gpio_defaults[i] = 0;
else if (pdata->gpio_defaults[i] == 0)
pdata->gpio_defaults[i] = 0x10000;
}
return 0;
}
static int arizona_of_get_u32_num_groups(struct arizona *arizona,
const char *prop,
int group_size)
{
int len_prop;
int num_groups;
if (!of_get_property(arizona->dev->of_node, prop, &len_prop))
return -EINVAL;
num_groups = len_prop / (group_size * sizeof(u32));
if (num_groups * group_size * sizeof(u32) != len_prop) {
dev_err(arizona->dev,
"DT property %s is malformed: %d\n",
prop, -EOVERFLOW);
return -EOVERFLOW;
}
return num_groups;
}
static int arizona_of_get_micd_ranges(struct arizona *arizona,
const char *prop)
{
int nranges;
int i, j;
int ret = 0;
u32 value;
struct arizona_micd_range *micd_ranges;
nranges = arizona_of_get_u32_num_groups(arizona, prop, 2);
if (nranges < 0)
return nranges;
micd_ranges = devm_kzalloc(arizona->dev,
nranges * sizeof(struct arizona_micd_range),
GFP_KERNEL);
for (i = 0, j = 0; i < nranges; ++i) {
ret = of_property_read_u32_index(arizona->dev->of_node,
prop, j++, &value);
if (ret < 0)
goto error;
micd_ranges[i].max = value;
ret = of_property_read_u32_index(arizona->dev->of_node,
prop, j++, &value);
if (ret < 0)
goto error;
micd_ranges[i].key = value;
}
arizona->pdata.micd_ranges = micd_ranges;
arizona->pdata.num_micd_ranges = nranges;
return ret;
error:
devm_kfree(arizona->dev, micd_ranges);
dev_err(arizona->dev, "DT property %s is malformed: %d\n", prop, ret);
return ret;
}
static int arizona_of_get_micd_configs(struct arizona *arizona,
const char *prop)
{
int nconfigs;
int i, j, group_size;
int ret = 0;
u32 value;
struct arizona_micd_config *micd_configs;
switch (arizona->type) {
case WM5102:
case WM5110:
case WM8997:
case WM8280:
case WM8998:
case WM1814:
case WM8285:
case WM1840:
case WM1831:
case CS47L24:
case CS47L35:
group_size = 3;
break;
default:
group_size = 4;
break;
}
nconfigs = arizona_of_get_u32_num_groups(arizona, prop, group_size);
if (nconfigs < 0)
return nconfigs;
micd_configs = devm_kzalloc(arizona->dev,
nconfigs *
sizeof(struct arizona_micd_config),
GFP_KERNEL);
for (i = 0, j = 0; i < nconfigs; ++i) {
ret = of_property_read_u32_index(arizona->dev->of_node,
prop, j++, &value);
if (ret < 0)
goto error;
micd_configs[i].src = value;
if (group_size == 4) {
ret = of_property_read_u32_index(arizona->dev->of_node,
prop, j++, &value);
if (ret < 0)
goto error;
micd_configs[i].gnd = value;
}
ret = of_property_read_u32_index(arizona->dev->of_node,
prop, j++, &value);
if (ret < 0)
goto error;
micd_configs[i].bias = value;
ret = of_property_read_u32_index(arizona->dev->of_node,
prop, j++, &value);
if (ret < 0)
goto error;
micd_configs[i].gpio = value;
}
arizona->pdata.micd_configs = micd_configs;
arizona->pdata.num_micd_configs = nconfigs;
return ret;
error:
devm_kfree(arizona->dev, micd_configs);
dev_err(arizona->dev, "DT property %s is malformed: %d\n", prop, ret);
return ret;
}
static int arizona_of_get_micbias(struct arizona *arizona,
const char *prop, int index,
int num_micbias_outputs)
{
int ret, i;
int j = 0;
u32 micbias_config[4 + ARIZONA_MAX_CHILD_MICBIAS] = {0};
ret = arizona_of_read_u32_array(arizona, prop, false,
micbias_config,
4 + num_micbias_outputs);
if (ret >= 0) {
arizona->pdata.micbias[index].mV = micbias_config[j++];
arizona->pdata.micbias[index].ext_cap = micbias_config[j++];
for (i = 0; i < num_micbias_outputs; i++)
arizona->pdata.micbias[index].discharge[i] =
micbias_config[j++];
arizona->pdata.micbias[index].soft_start = micbias_config[j++];
arizona->pdata.micbias[index].bypass = micbias_config[j++];
}
return ret;
}
static int arizona_of_get_core_pdata(struct arizona *arizona)
{
struct arizona_pdata *pdata = &arizona->pdata;
u32 out_mono[ARIZONA_MAX_OUTPUT];
int i, num_micbias_outputs;
switch (arizona->type) {
case WM5102:
case WM5110:
case WM8997:
case WM8280:
case WM8998:
case WM1814:
case WM8285:
case WM1840:
case WM1831:
case CS47L24:
num_micbias_outputs = 1;
break;
case CS47L15:
num_micbias_outputs = CS47L15_NUM_CHILD_MICBIAS;
break;
case CS47L35:
num_micbias_outputs = MARLEY_NUM_CHILD_MICBIAS;
break;
default:
num_micbias_outputs = MOON_NUM_CHILD_MICBIAS;
break;
}
memset(&out_mono, 0, sizeof(out_mono));
pdata->reset = arizona_of_get_named_gpio(arizona, "wlf,reset", true);
arizona_of_read_s32(arizona, "wlf,clk32k-src", false,
&pdata->clk32k_src);
arizona_of_get_micd_ranges(arizona, "wlf,micd-ranges");
arizona_of_get_micd_configs(arizona, "wlf,micd-configs");
arizona_of_get_micbias(arizona, "wlf,micbias1", 0, num_micbias_outputs);
arizona_of_get_micbias(arizona, "wlf,micbias2", 1, num_micbias_outputs);
arizona_of_get_micbias(arizona, "wlf,micbias3", 2, num_micbias_outputs);
arizona_of_get_micbias(arizona, "wlf,micbias4", 3, num_micbias_outputs);
arizona_of_get_gpio_defaults(arizona, "wlf,gpio-defaults");
arizona_of_get_max_channels(arizona, "wlf,max-channels-clocked");
arizona_of_get_dmicref(arizona, "wlf,dmic-ref");
arizona_of_get_inmode(arizona, "wlf,inmode");
arizona_of_get_dmic_clksrc(arizona, "wlf,dmic-clksrc");
arizona_of_read_u32_array(arizona, "wlf,out-mono", false,
out_mono, ARRAY_SIZE(out_mono));
for (i = 0; i < ARRAY_SIZE(out_mono); ++i)
pdata->out_mono[i] = !!out_mono[i];
arizona_of_read_u32(arizona, "wlf,wm5102t-output-pwr", false,
&pdata->wm5102t_output_pwr);
arizona_of_read_s32(arizona, "wlf,hpdet-ext-res", false,
&pdata->hpdet_ext_res);
pdata->rev_specific_fw = of_property_read_bool(arizona->dev->of_node,
"wlf,rev-specific-fw");
arizona_of_get_lrclk_adv(arizona, "wlf,aif-lrclk-advance");
return 0;
}
const struct of_device_id arizona_of_match[] = {
{ .compatible = "wlf,wm5102", .data = (void *)WM5102 },
{ .compatible = "wlf,wm8280", .data = (void *)WM8280 },
{ .compatible = "wlf,wm5110", .data = (void *)WM5110 },
{ .compatible = "wlf,wm8997", .data = (void *)WM8997 },
{ .compatible = "wlf,wm8998", .data = (void *)WM8998 },
{ .compatible = "wlf,wm1814", .data = (void *)WM1814 },
{ .compatible = "wlf,wm8285", .data = (void *)WM8285 },
{ .compatible = "wlf,wm1840", .data = (void *)WM1840 },
{ .compatible = "wlf,wm1831", .data = (void *)WM1831 },
{ .compatible = "cirrus,cs47l15", .data = (void *)CS47L15 },
{ .compatible = "cirrus,cs47l24", .data = (void *)CS47L24 },
{ .compatible = "cirrus,cs47l35", .data = (void *)CS47L35 },
{ .compatible = "cirrus,cs47l85", .data = (void *)WM8285 },
{ .compatible = "cirrus,cs47l90", .data = (void *)CS47L90 },
{ .compatible = "cirrus,cs47l91", .data = (void *)CS47L91 },
{},
};
EXPORT_SYMBOL_GPL(arizona_of_match);
#else
static inline int arizona_of_get_core_pdata(struct arizona *arizona)
{
return 0;
}
#endif
static struct mfd_cell early_devs[] = {
{ .name = "arizona-ldo1" },
};
static struct mfd_cell wm5102_devs[] = {
{ .name = "arizona-micsupp" },
{ .name = "arizona-extcon" },
{ .name = "arizona-gpio" },
{ .name = "arizona-haptics" },
{ .name = "arizona-pwm" },
{ .name = "wm5102-codec" },
};
static struct mfd_cell florida_devs[] = {
{ .name = "arizona-micsupp" },
{ .name = "arizona-extcon" },
{ .name = "arizona-gpio" },
{ .name = "arizona-haptics" },
{ .name = "arizona-pwm" },
{ .name = "florida-codec" },
};
static struct mfd_cell largo_devs[] = {
{ .name = "arizona-gpio" },
{ .name = "arizona-haptics" },
{ .name = "arizona-pwm" },
{ .name = "largo-codec" },
};
static struct mfd_cell wm8997_devs[] = {
{ .name = "arizona-micsupp" },
{ .name = "arizona-extcon" },
{ .name = "arizona-gpio" },
{ .name = "arizona-haptics" },
{ .name = "arizona-pwm" },
{ .name = "wm8997-codec" },
};
static struct mfd_cell vegas_devs[] = {
{ .name = "arizona-micsupp" },
{ .name = "arizona-extcon" },
{ .name = "arizona-gpio" },
{ .name = "arizona-haptics" },
{ .name = "arizona-pwm" },
{ .name = "vegas-codec" },
};
static struct mfd_cell clearwater_devs[] = {
{ .name = "arizona-micsupp" },
{ .name = "arizona-extcon" },
{ .name = "arizona-gpio" },
{ .name = "arizona-haptics" },
{ .name = "arizona-pwm" },
{ .name = "clearwater-codec" },
};
static struct mfd_cell marley_devs[] = {
{ .name = "arizona-micsupp" },
{ .name = "arizona-extcon" },
{ .name = "arizona-gpio" },
{ .name = "arizona-haptics" },
{ .name = "arizona-pwm" },
{ .name = "marley-codec" },
};
static struct mfd_cell moon_devs[] = {
{ .name = "arizona-micsupp" },
{ .name = "arizona-extcon" },
{ .name = "arizona-gpio" },
{ .name = "arizona-haptics" },
{ .name = "arizona-pwm" },
{ .name = "moon-codec" },
};
static struct mfd_cell cs47l15_devs[] = {
{ .name = "arizona-extcon" },
{ .name = "arizona-gpio" },
{ .name = "arizona-haptics" },
{ .name = "arizona-pwm" },
{ .name = "cs47l15-codec" },
};
static const struct {
unsigned int enable;
unsigned int conf_reg;
unsigned int vol_reg;
unsigned int adc_reg;
} arizona_florida_channel_defs[] = {
{
ARIZONA_IN1R_ENA, ARIZONA_IN1L_CONTROL,
ARIZONA_ADC_DIGITAL_VOLUME_1R, ARIZONA_ADC_VCO_CAL_5
},
{
ARIZONA_IN1L_ENA, ARIZONA_IN1L_CONTROL,
ARIZONA_ADC_DIGITAL_VOLUME_1L, ARIZONA_ADC_VCO_CAL_4
},
{
ARIZONA_IN2R_ENA, ARIZONA_IN2L_CONTROL,
ARIZONA_ADC_DIGITAL_VOLUME_2R, ARIZONA_ADC_VCO_CAL_7
},
{
ARIZONA_IN2L_ENA, ARIZONA_IN2L_CONTROL,
ARIZONA_ADC_DIGITAL_VOLUME_2L, ARIZONA_ADC_VCO_CAL_6
},
{
ARIZONA_IN3R_ENA, ARIZONA_IN3L_CONTROL,
ARIZONA_ADC_DIGITAL_VOLUME_3R, ARIZONA_ADC_VCO_CAL_9
},
{
ARIZONA_IN3L_ENA, ARIZONA_IN3L_CONTROL,
ARIZONA_ADC_DIGITAL_VOLUME_3L, ARIZONA_ADC_VCO_CAL_8
},
};
void arizona_florida_mute_analog(struct arizona* arizona,
unsigned int mute)
{
unsigned int val, chans;
int i;
regmap_read(arizona->regmap, ARIZONA_INPUT_ENABLES_STATUS, &chans);
for (i = 0; i < ARRAY_SIZE(arizona_florida_channel_defs); ++i) {
if (!(chans & arizona_florida_channel_defs[i].enable))
continue;
/* Check for analogue input */
regmap_read(arizona->regmap,
arizona_florida_channel_defs[i].conf_reg,
&val);
if (val & 0x0400)
continue;
regmap_update_bits(arizona->regmap,
arizona_florida_channel_defs[i].vol_reg,
ARIZONA_IN1L_MUTE,
mute);
}
}
EXPORT_SYMBOL_GPL(arizona_florida_mute_analog);
static bool arizona_florida_get_input_state(struct arizona* arizona)
{
unsigned int val, chans;
int count, i, j;
regmap_read(arizona->regmap, ARIZONA_INPUT_ENABLES_STATUS, &chans);
for (i = 0; i < ARRAY_SIZE(arizona_florida_channel_defs); ++i) {
if (!(chans & arizona_florida_channel_defs[i].enable))
continue;
/* Check for analogue input */
regmap_read(arizona->regmap,
arizona_florida_channel_defs[i].conf_reg,
&val);
if (val & 0x0400)
continue;
count = 0;
for (j = 0; j < 4; ++j) {
regmap_read(arizona->regmap,
arizona_florida_channel_defs[i].adc_reg,
&val);
val &= ARIZONA_ADC1L_COUNT_RD_MASK;
val >>= ARIZONA_ADC1L_COUNT_RD_SHIFT;
dev_dbg(arizona->dev, "ADC Count: %d\n", val);
if (val > 78 || val < 54)
count++;
}
if (count == j)
return true;
}
return false;
}
void arizona_florida_clear_input(struct arizona *arizona)
{
return;
mutex_lock(&arizona->reg_setting_lock);
regmap_write(arizona->regmap, 0x80, 0x3);
if (arizona_florida_get_input_state(arizona)) {
arizona_florida_mute_analog(arizona, ARIZONA_IN1L_MUTE);
regmap_write(arizona->regmap, 0x3A6, 0x5555);
regmap_write(arizona->regmap, 0x3A5, 0x3);
msleep(10);
regmap_write(arizona->regmap, 0x3A5, 0x0);
if (arizona_florida_get_input_state(arizona)) {
regmap_write(arizona->regmap, 0x3A6, 0xAAAA);
regmap_write(arizona->regmap, 0x3A5, 0x5);
msleep(10);
regmap_write(arizona->regmap, 0x3A5, 0x0);
}
regmap_write(arizona->regmap, 0x3A6, 0x0);
msleep(5);
arizona_florida_mute_analog(arizona, 0);
}
regmap_write(arizona->regmap, 0x80, 0x0);
mutex_unlock(&arizona->reg_setting_lock);
}
EXPORT_SYMBOL_GPL(arizona_florida_clear_input);
int arizona_get_num_micbias(struct arizona *arizona,
unsigned int *micbiases, unsigned int *child_micbiases)
{
unsigned int num_micbiases, num_child_micbiases;
if (!arizona)
return -EINVAL;
switch (arizona->type) {
case WM5102:
case WM5110:
case WM8997:
case WM8280:
case WM8998:
case WM1814:
num_micbiases = WM5102_NUM_MICBIAS;
num_child_micbiases = 0;
break;
case WM1831:
case CS47L24:
num_micbiases = LARGO_NUM_MICBIAS;
num_child_micbiases = 0;
break;
case WM8285:
case WM1840:
num_micbiases = CLEARWATER_NUM_MICBIAS;
num_child_micbiases = 0;
break;
case CS47L15:
num_micbiases = CS47L15_NUM_MICBIAS;
num_child_micbiases = CS47L15_NUM_CHILD_MICBIAS;
break;
case CS47L35:
num_micbiases = MARLEY_NUM_MICBIAS;
num_child_micbiases = MARLEY_NUM_CHILD_MICBIAS;
break;
default:
num_micbiases = MOON_NUM_MICBIAS;
num_child_micbiases = MOON_NUM_CHILD_MICBIAS;
break;
}
if (micbiases)
*micbiases = num_micbiases;
if (child_micbiases)
*child_micbiases = num_child_micbiases;
return 0;
}
EXPORT_SYMBOL_GPL(arizona_get_num_micbias);
int arizona_dev_init(struct arizona *arizona)
{
struct device *dev = arizona->dev;
const char *type_name = "Unknown";
unsigned int reg, val, mask;
int (*apply_patch)(struct arizona *) = NULL;
int ret, i, max_inputs, j;
unsigned int max_micbias = 0, num_child_micbias = 0;
unsigned int num_dmic_clksrc = 0;
dev_set_drvdata(arizona->dev, arizona);
mutex_init(&arizona->clk_lock);
mutex_init(&arizona->reg_setting_lock);
mutex_init(&arizona->rate_lock);
mutex_init(&arizona->dspclk_ena_lock);
if (dev_get_platdata(arizona->dev))
memcpy(&arizona->pdata, dev_get_platdata(arizona->dev),
sizeof(arizona->pdata));
else
arizona_of_get_core_pdata(arizona);
regcache_cache_only(arizona->regmap, true);
if (arizona->regmap_32bit)
regcache_cache_only(arizona->regmap_32bit, true);
switch (arizona->type) {
case WM5102:
case WM5110:
case WM8280:
case WM8997:
case WM8998:
case WM1814:
case WM8285:
case WM1840:
case WM1831:
case CS47L15:
case CS47L24:
case CS47L35:
case CS47L90:
case CS47L91:
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;
}
/* Mark DCVDD as external, LDO1 driver will clear if internal */
arizona->external_dcvdd = true;
switch (arizona->type) {
case WM1831:
case CS47L15:
case CS47L24:
case CS47L35:
case CS47L90:
case CS47L91:
break;
default:
ret = mfd_add_devices(arizona->dev, -1, early_devs,
ARRAY_SIZE(early_devs), NULL, 0, NULL);
if (ret != 0) {
dev_err(dev, "Failed to add early children: %d\n", ret);
return ret;
}
break;
}
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;
}
/**
* Don't use devres here because the only device we have to get
* against is the MFD device and DCVDD will likely be supplied by
* one of its children. Meaning that the regulator will be
* destroyed by the time devres calls regulator put.
*/
arizona->dcvdd = regulator_get(arizona->dev, "DCVDD");
if (IS_ERR(arizona->dcvdd)) {
ret = PTR_ERR(arizona->dcvdd);
dev_err(dev, "Failed to request DCVDD: %d\n", ret);
goto err_early;
}
arizona->dcvdd_notifier.notifier_call = arizona_dcvdd_notify;
ret = regulator_register_notifier(arizona->dcvdd,
&arizona->dcvdd_notifier);
if (ret < 0) {
dev_err(dev, "Failed to register DCVDD notifier %d\n", ret);
goto err_dcvdd;
}
if (arizona->pdata.reset) {
/* Start out with /RESET low to put the chip into reset */
ret = devm_gpio_request_one(arizona->dev, arizona->pdata.reset,
GPIOF_DIR_OUT | GPIOF_INIT_LOW,
"cirrus,reset");
if (ret != 0) {
dev_err(dev, "Failed to request /RESET: %d, gpio: %d, flags: %d, label: %s\n", ret, arizona->pdata.reset, GPIOF_DIR_OUT | GPIOF_INIT_LOW, "cirrus,reset");
goto err_notifier;
}
}
/* Ensure period of reset asserted before we apply the supplies */
msleep(20);
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_notifier;
}
ret = regulator_enable(arizona->dcvdd);
if (ret != 0) {
dev_err(dev, "Failed to enable DCVDD: %d\n", ret);
goto err_enable;
}
arizona_disable_reset(arizona);
regcache_cache_only(arizona->regmap, false);
if (arizona->regmap_32bit)
regcache_cache_only(arizona->regmap_32bit, false);
/* Verify that this is a chip we know about */
ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, &reg);
if (ret != 0) {
dev_err(dev, "Failed to read ID register: %d\n", ret);
goto err_reset;
}
switch (reg) {
case 0x5102:
case 0x5110:
case 0x6349:
case 0x6363:
case 0x8997:
case 0x6338:
case 0x6360:
case 0x6364:
case 0x6370:
break;
default:
dev_err(arizona->dev, "Unknown device ID: %x\n", reg);
goto err_reset;
}
/* If we have a /RESET GPIO we'll already be reset */
if (!arizona->pdata.reset) {
ret = arizona_soft_reset(arizona);
if (ret != 0)
goto err_reset;
}
/* Ensure device startup is complete */
switch (arizona->type) {
case WM5102:
ret = regmap_read(arizona->regmap,
ARIZONA_WRITE_SEQUENCER_CTRL_3, &val);
if (ret) {
dev_err(dev,
"Failed to check write sequencer state: %d\n",
ret);
} else if (val & 0x01) {
ret = wm5102_clear_write_sequencer(arizona);
if (ret)
return ret;
}
break;
default:
break;
}
ret = arizona_wait_for_boot(arizona);
if (ret) {
dev_err(arizona->dev, "Device failed initial boot: %d\n", ret);
goto err_reset;
}
/* Read the device ID information & do device specific stuff */
ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, &reg);
if (ret != 0) {
dev_err(dev, "Failed to read ID register: %d\n", ret);
goto err_reset;
}
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_reset;
}
arizona->rev &= ARIZONA_DEVICE_REVISION_MASK;
switch (reg) {
#ifdef CONFIG_MFD_WM5102
case 0x5102:
type_name = "WM5102";
if (arizona->type != WM5102) {
dev_err(arizona->dev, "WM5102 registered as %d\n",
arizona->type);
arizona->type = WM5102;
}
apply_patch = wm5102_patch;
arizona->rev &= 0x7;
break;
#endif
#ifdef CONFIG_MFD_FLORIDA
case 0x5110:
switch (arizona->type) {
case WM8280:
if (arizona->rev >= 0x5)
type_name = "WM8281";
else
type_name = "WM8280";
break;
case WM5110:
type_name = "WM5110";
break;
default:
dev_err(arizona->dev, "Florida codec registered as %d\n",
arizona->type);
arizona->type = WM8280;
type_name = "Florida";
break;
}
apply_patch = florida_patch;
break;
#endif
#ifdef CONFIG_MFD_LARGO
case 0x6363:
switch (arizona->type) {
case CS47L24:
type_name = "CS47L24";
break;
case WM1831:
type_name = "WM1831";
break;
default:
dev_err(arizona->dev, "Largo codec registered as %d\n",
arizona->type);
arizona->type = CS47L24;
type_name = "Largo";
break;
}
apply_patch = largo_patch;
break;
#endif
#ifdef CONFIG_MFD_WM8997
case 0x8997:
type_name = "WM8997";
if (arizona->type != WM8997) {
dev_err(arizona->dev, "WM8997 registered as %d\n",
arizona->type);
arizona->type = WM8997;
}
apply_patch = wm8997_patch;
break;
#endif
#ifdef CONFIG_MFD_VEGAS
case 0x6349:
switch (arizona->type) {
case WM8998:
type_name = "WM8998";
break;
case WM1814:
type_name = "WM1814";
break;
default:
dev_err(arizona->dev,
"Unknown Vegas codec registered as WM8998\n");
arizona->type = WM8998;
}
apply_patch = vegas_patch;
break;
#endif
#ifdef CONFIG_MFD_CLEARWATER
case 0x6338:
switch (arizona->type) {
case WM8285:
type_name = "CS47L85";
break;
case WM1840:
type_name = "WM1840";
break;
default:
dev_err(arizona->dev,
"Unknown Clearwater codec registered as CS47L85\n");
arizona->type = WM8285;
}
apply_patch = clearwater_patch;
break;
#endif
#ifdef CONFIG_MFD_MARLEY
case 0x6360:
switch (arizona->type) {
case CS47L35:
type_name = "CS47L35";
break;
default:
dev_err(arizona->dev,
"Unknown Marley codec registered as CS47L35\n");
arizona->type = CS47L35;
}
apply_patch = marley_patch;
break;
#endif
#ifdef CONFIG_MFD_MOON
case 0x6364:
switch (arizona->type) {
case CS47L90:
type_name = "CS47L90";
break;
case CS47L91:
type_name = "CS47L91";
break;
default:
dev_err(arizona->dev,
"Unknown Moon codec registered as CS47L90\n");
arizona->type = CS47L90;
}
apply_patch = moon_patch;
break;
#endif
#ifdef CONFIG_MFD_CS47L15
case 0x6370:
switch (arizona->type) {
case CS47L15:
type_name = "CS47L15";
break;
default:
arizona->type = CS47L15;
dev_err(arizona->dev,
"CS47L15 codec registered as %d\n",
arizona->type);
break;
}
apply_patch = cs47l15_patch;
break;
#endif
default:
dev_err(arizona->dev, "Unknown device ID %x\n", reg);
goto err_reset;
}
dev_info(dev, "%s revision %c\n", type_name, arizona->rev + 'A');
if (apply_patch) {
ret = apply_patch(arizona);
if (ret != 0) {
dev_err(arizona->dev, "Failed to apply patch: %d\n",
ret);
goto err_reset;
}
switch (arizona->type) {
case WM5102:
ret = wm5102_apply_hardware_patch(arizona);
if (ret) {
dev_err(arizona->dev,
"Failed to apply hardware patch: %d\n",
ret);
goto err_reset;
}
break;
case WM5110:
case WM8280:
ret = wm5110_apply_sleep_patch(arizona);
if (ret) {
dev_err(arizona->dev,
"Failed to apply sleep patch: %d\n",
ret);
goto err_reset;
}
break;
default:
break;
}
}
switch (arizona->type) {
case WM5102:
case WM5110:
case WM8280:
case WM8997:
case WM8998:
case WM1814:
case WM1831:
case CS47L24:
break;
default:
break;
}
/* 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);
arizona_clk32k_enable(arizona);
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_reset;
}
arizona_get_num_micbias(arizona, &max_micbias, &num_child_micbias);
for (i = 0; i < max_micbias; i++) {
if (!arizona->pdata.micbias[i].mV &&
!arizona->pdata.micbias[i].bypass)
continue;
/* Apply default for bypass mode */
if (!arizona->pdata.micbias[i].mV)
arizona->pdata.micbias[i].mV = 2800;
val = (arizona->pdata.micbias[i].mV - 1500) / 100;
mask = ARIZONA_MICB1_LVL_MASK | ARIZONA_MICB1_EXT_CAP |
ARIZONA_MICB1_BYPASS | ARIZONA_MICB1_RATE;
val <<= ARIZONA_MICB1_LVL_SHIFT;
if (arizona->pdata.micbias[i].ext_cap)
val |= ARIZONA_MICB1_EXT_CAP;
if (num_child_micbias == 0) {
mask |= ARIZONA_MICB1_DISCH;
if (arizona->pdata.micbias[i].discharge[0])
val |= ARIZONA_MICB1_DISCH;
}
if (arizona->pdata.micbias[i].soft_start)
val |= ARIZONA_MICB1_RATE;
if (arizona->pdata.micbias[i].bypass)
val |= ARIZONA_MICB1_BYPASS;
regmap_update_bits(arizona->regmap,
ARIZONA_MIC_BIAS_CTRL_1 + i,
mask, val);
if (num_child_micbias) {
val = 0;
mask = 0;
for (j = 0; j < num_child_micbias; j++) {
mask |= (ARIZONA_MICB1A_DISCH << j*4);
if (arizona->pdata.micbias[i].discharge[j])
val |= (ARIZONA_MICB1A_DISCH << j*4);
}
regmap_update_bits(arizona->regmap,
ARIZONA_MIC_BIAS_CTRL_5 + i*2,
mask, val);
}
}
switch (arizona->type) {
case WM5102:
case WM5110:
case WM8280:
/* These arizona chips have 4 inputs and
settings for INxL and INxR are same*/
max_inputs = 4;
break;
case WM8997:
case WM1831:
case CS47L24:
case WM8998:
case WM1814:
case CS47L35:
max_inputs = 2;
break;
case WM8285:
case WM1840:
/* DMIC Ref for IN4-6 is fixed for WM8285/1840 and
settings for INxL and INxR are different*/
max_inputs = 3;
break;
case CS47L15:
max_inputs = 2;
break;
default:
/*DMIC Ref for IN3-5 is fixed for CS47L90 and
settings for INxL and INxR are different*/
max_inputs = 2;
/* For CS47L90/91 dmic clk src can be set same as
pdm speaker clock this is used when pdm speaker
feedsback IV data via pdm input */
num_dmic_clksrc = 5;
break;
}
for (i = 0; i < num_dmic_clksrc; i++) {
regmap_update_bits(arizona->regmap,
ARIZONA_IN1R_CONTROL + (i * 8),
MOON_IN1_DMICCLK_SRC_MASK,
(arizona->pdata.dmic_clksrc[i])
<< MOON_IN1_DMICCLK_SRC_SHIFT);
}
for (i = 0; i < max_inputs; i++) {
switch (arizona->type) {
case WM5102:
case WM5110:
case WM8997:
case WM8280:
case WM1831:
case CS47L24:
val = arizona->pdata.dmic_ref[i]
<< ARIZONA_IN1_DMIC_SUP_SHIFT;
val |= (arizona->pdata.inmode[i] & 2)
<< (ARIZONA_IN1_MODE_SHIFT - 1);
val |= (arizona->pdata.inmode[i] & 1)
<< ARIZONA_IN1_SINGLE_ENDED_SHIFT;
mask = ARIZONA_IN1_DMIC_SUP_MASK |
ARIZONA_IN1_MODE_MASK |
ARIZONA_IN1_SINGLE_ENDED_MASK;
break;
case WM8998:
case WM1814:
case CS47L15:
case CS47L35:
val = arizona->pdata.dmic_ref[i]
<< ARIZONA_IN1_DMIC_SUP_SHIFT;
val |= (arizona->pdata.inmode[i] & 2)
<< (ARIZONA_IN1_MODE_SHIFT - 1);
mask = ARIZONA_IN1_DMIC_SUP_MASK |
ARIZONA_IN1_MODE_MASK;
regmap_update_bits(arizona->regmap,
ARIZONA_ADC_DIGITAL_VOLUME_1L + (i * 8),
ARIZONA_IN1L_SRC_SE_MASK,
(arizona->pdata.inmode[i] & 1)
<< ARIZONA_IN1L_SRC_SE_SHIFT);
regmap_update_bits(arizona->regmap,
ARIZONA_ADC_DIGITAL_VOLUME_1R + (i * 8),
ARIZONA_IN1R_SRC_SE_MASK,
(arizona->pdata.inmode[i] & 1)
<< ARIZONA_IN1R_SRC_SE_SHIFT);
break;
default:
val = arizona->pdata.dmic_ref[i]
<< ARIZONA_IN1_DMIC_SUP_SHIFT;
val |= (arizona->pdata.inmode[2*i] & 2)
<< (ARIZONA_IN1_MODE_SHIFT - 1);
mask = ARIZONA_IN1_DMIC_SUP_MASK |
ARIZONA_IN1_MODE_MASK;
regmap_update_bits(arizona->regmap,
ARIZONA_ADC_DIGITAL_VOLUME_1L + (i * 8),
ARIZONA_IN1L_SRC_SE_MASK,
(arizona->pdata.inmode[2*i] & 1)
<< ARIZONA_IN1L_SRC_SE_SHIFT);
regmap_update_bits(arizona->regmap,
ARIZONA_ADC_DIGITAL_VOLUME_1R + (i * 8),
ARIZONA_IN1R_SRC_SE_MASK,
(arizona->pdata.inmode[(2*i) + 1] & 1)
<< ARIZONA_IN1R_SRC_SE_SHIFT);
break;
}
regmap_update_bits(arizona->regmap,
ARIZONA_IN1L_CONTROL + (i * 8), 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);
}
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 + (i * 2),
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 + (i * 2),
ARIZONA_SPK1_FMT_MASK,
arizona->pdata.spk_fmt[i]);
}
pm_runtime_set_active(arizona->dev);
pm_runtime_enable(arizona->dev);
/* Set up for interrupts */
ret = arizona_irq_init(arizona);
if (ret != 0)
goto err_reset;
pm_runtime_set_autosuspend_delay(arizona->dev, 100);
pm_runtime_use_autosuspend(arizona->dev);
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);
/**
* Give us a sane default for the headphone impedance in case the
* extcon driver is not used
*/
arizona->hp_impedance_x100 = 3200;
switch (arizona->type) {
case WM5102:
ret = mfd_add_devices(arizona->dev, -1, wm5102_devs,
ARRAY_SIZE(wm5102_devs), NULL, 0, NULL);
break;
case WM8280:
case WM5110:
ret = mfd_add_devices(arizona->dev, -1, florida_devs,
ARRAY_SIZE(florida_devs), NULL, 0, NULL);
break;
case WM1831:
case CS47L24:
ret = mfd_add_devices(arizona->dev, -1, largo_devs,
ARRAY_SIZE(largo_devs), NULL, 0, NULL);
break;
case WM8997:
ret = mfd_add_devices(arizona->dev, -1, wm8997_devs,
ARRAY_SIZE(wm8997_devs), NULL, 0, NULL);
break;
case WM8998:
case WM1814:
ret = mfd_add_devices(arizona->dev, -1, vegas_devs,
ARRAY_SIZE(vegas_devs), NULL, 0, NULL);
break;
case WM8285:
case WM1840:
ret = mfd_add_devices(arizona->dev, -1, clearwater_devs,
ARRAY_SIZE(clearwater_devs), NULL, 0, NULL);
break;
case CS47L15:
ret = mfd_add_devices(arizona->dev, -1, cs47l15_devs,
ARRAY_SIZE(cs47l15_devs), NULL, 0, NULL);
break;
case CS47L35:
ret = mfd_add_devices(arizona->dev, -1, marley_devs,
ARRAY_SIZE(marley_devs), NULL, 0, NULL);
break;
case CS47L90:
case CS47L91:
ret = mfd_add_devices(arizona->dev, -1, moon_devs,
ARRAY_SIZE(moon_devs), NULL, 0, NULL);
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_reset:
arizona_enable_reset(arizona);
regulator_disable(arizona->dcvdd);
err_enable:
regulator_bulk_disable(arizona->num_core_supplies,
arizona->core_supplies);
err_notifier:
regulator_unregister_notifier(arizona->dcvdd, &arizona->dcvdd_notifier);
err_dcvdd:
regulator_put(arizona->dcvdd);
err_early:
mfd_remove_devices(dev);
return ret;
}
EXPORT_SYMBOL_GPL(arizona_dev_init);
int arizona_dev_exit(struct arizona *arizona)
{
pm_runtime_disable(arizona->dev);
disable_irq(arizona->irq);
regulator_disable(arizona->dcvdd);
regulator_unregister_notifier(arizona->dcvdd, &arizona->dcvdd_notifier);
regulator_put(arizona->dcvdd);
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);
arizona_irq_exit(arizona);
arizona_enable_reset(arizona);
regulator_bulk_disable(arizona->num_core_supplies,
arizona->core_supplies);
return 0;
}
EXPORT_SYMBOL_GPL(arizona_dev_exit);