1488 lines
35 KiB
C
1488 lines
35 KiB
C
/*
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* Arizona core driver
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*
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* Copyright 2012 Wolfson Microelectronics plc
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*
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* Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/clk.h>
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#include <linux/delay.h>
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#include <linux/err.h>
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#include <linux/gpio/consumer.h>
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#include <linux/interrupt.h>
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#include <linux/mfd/core.h>
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/of_device.h>
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#include <linux/pm_runtime.h>
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#include <linux/regmap.h>
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#include <linux/regulator/consumer.h>
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#include <linux/regulator/machine.h>
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#include <linux/slab.h>
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#include <linux/ktime.h>
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#include <linux/platform_device.h>
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#include <linux/mfd/arizona/core.h>
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#include <linux/mfd/arizona/registers.h>
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#include "arizona.h"
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static const char * const wm5102_core_supplies[] = {
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"AVDD",
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"DBVDD1",
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};
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int arizona_clk32k_enable(struct arizona *arizona)
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{
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int ret = 0;
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mutex_lock(&arizona->clk_lock);
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arizona->clk32k_ref++;
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if (arizona->clk32k_ref == 1) {
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switch (arizona->pdata.clk32k_src) {
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case ARIZONA_32KZ_MCLK1:
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ret = pm_runtime_get_sync(arizona->dev);
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if (ret != 0)
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goto err_ref;
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ret = clk_prepare_enable(arizona->mclk[ARIZONA_MCLK1]);
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if (ret != 0) {
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pm_runtime_put_sync(arizona->dev);
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goto err_ref;
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}
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break;
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case ARIZONA_32KZ_MCLK2:
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ret = clk_prepare_enable(arizona->mclk[ARIZONA_MCLK2]);
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if (ret != 0)
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goto err_ref;
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break;
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}
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ret = regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
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ARIZONA_CLK_32K_ENA,
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ARIZONA_CLK_32K_ENA);
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}
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err_ref:
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if (ret != 0)
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arizona->clk32k_ref--;
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mutex_unlock(&arizona->clk_lock);
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return ret;
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}
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EXPORT_SYMBOL_GPL(arizona_clk32k_enable);
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int arizona_clk32k_disable(struct arizona *arizona)
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{
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mutex_lock(&arizona->clk_lock);
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BUG_ON(arizona->clk32k_ref <= 0);
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arizona->clk32k_ref--;
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if (arizona->clk32k_ref == 0) {
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regmap_update_bits(arizona->regmap, ARIZONA_CLOCK_32K_1,
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ARIZONA_CLK_32K_ENA, 0);
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switch (arizona->pdata.clk32k_src) {
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case ARIZONA_32KZ_MCLK1:
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pm_runtime_put_sync(arizona->dev);
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clk_disable_unprepare(arizona->mclk[ARIZONA_MCLK1]);
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break;
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case ARIZONA_32KZ_MCLK2:
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clk_disable_unprepare(arizona->mclk[ARIZONA_MCLK2]);
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break;
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}
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}
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mutex_unlock(&arizona->clk_lock);
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return 0;
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}
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EXPORT_SYMBOL_GPL(arizona_clk32k_disable);
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static irqreturn_t arizona_clkgen_err(int irq, void *data)
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{
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struct arizona *arizona = data;
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dev_err(arizona->dev, "CLKGEN error\n");
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return IRQ_HANDLED;
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}
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static irqreturn_t arizona_underclocked(int irq, void *data)
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{
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struct arizona *arizona = data;
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unsigned int val;
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int ret;
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ret = regmap_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_8,
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&val);
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if (ret != 0) {
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dev_err(arizona->dev, "Failed to read underclock status: %d\n",
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ret);
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return IRQ_NONE;
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}
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if (val & ARIZONA_AIF3_UNDERCLOCKED_STS)
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dev_err(arizona->dev, "AIF3 underclocked\n");
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if (val & ARIZONA_AIF2_UNDERCLOCKED_STS)
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dev_err(arizona->dev, "AIF2 underclocked\n");
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if (val & ARIZONA_AIF1_UNDERCLOCKED_STS)
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dev_err(arizona->dev, "AIF1 underclocked\n");
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if (val & ARIZONA_ISRC3_UNDERCLOCKED_STS)
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dev_err(arizona->dev, "ISRC3 underclocked\n");
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if (val & ARIZONA_ISRC2_UNDERCLOCKED_STS)
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dev_err(arizona->dev, "ISRC2 underclocked\n");
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if (val & ARIZONA_ISRC1_UNDERCLOCKED_STS)
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dev_err(arizona->dev, "ISRC1 underclocked\n");
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if (val & ARIZONA_FX_UNDERCLOCKED_STS)
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dev_err(arizona->dev, "FX underclocked\n");
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if (val & ARIZONA_ASRC_UNDERCLOCKED_STS)
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dev_err(arizona->dev, "ASRC underclocked\n");
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if (val & ARIZONA_DAC_UNDERCLOCKED_STS)
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dev_err(arizona->dev, "DAC underclocked\n");
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if (val & ARIZONA_ADC_UNDERCLOCKED_STS)
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dev_err(arizona->dev, "ADC underclocked\n");
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if (val & ARIZONA_MIXER_UNDERCLOCKED_STS)
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dev_err(arizona->dev, "Mixer dropped sample\n");
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return IRQ_HANDLED;
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}
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static irqreturn_t arizona_overclocked(int irq, void *data)
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{
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struct arizona *arizona = data;
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unsigned int val[3];
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int ret;
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ret = regmap_bulk_read(arizona->regmap, ARIZONA_INTERRUPT_RAW_STATUS_6,
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&val[0], 3);
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if (ret != 0) {
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dev_err(arizona->dev, "Failed to read overclock status: %d\n",
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ret);
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return IRQ_NONE;
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}
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switch (arizona->type) {
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case WM8998:
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case WM1814:
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/* Some bits are shifted on WM8998,
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* rearrange to match the standard bit layout
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*/
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val[0] = ((val[0] & 0x60e0) >> 1) |
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((val[0] & 0x1e00) >> 2) |
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(val[0] & 0x000f);
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break;
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default:
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break;
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}
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if (val[0] & ARIZONA_PWM_OVERCLOCKED_STS)
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dev_err(arizona->dev, "PWM overclocked\n");
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if (val[0] & ARIZONA_FX_CORE_OVERCLOCKED_STS)
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dev_err(arizona->dev, "FX core overclocked\n");
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if (val[0] & ARIZONA_DAC_SYS_OVERCLOCKED_STS)
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dev_err(arizona->dev, "DAC SYS overclocked\n");
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if (val[0] & ARIZONA_DAC_WARP_OVERCLOCKED_STS)
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dev_err(arizona->dev, "DAC WARP overclocked\n");
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if (val[0] & ARIZONA_ADC_OVERCLOCKED_STS)
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dev_err(arizona->dev, "ADC overclocked\n");
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if (val[0] & ARIZONA_MIXER_OVERCLOCKED_STS)
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dev_err(arizona->dev, "Mixer overclocked\n");
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if (val[0] & ARIZONA_AIF3_SYNC_OVERCLOCKED_STS)
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dev_err(arizona->dev, "AIF3 overclocked\n");
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if (val[0] & ARIZONA_AIF2_SYNC_OVERCLOCKED_STS)
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dev_err(arizona->dev, "AIF2 overclocked\n");
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if (val[0] & ARIZONA_AIF1_SYNC_OVERCLOCKED_STS)
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dev_err(arizona->dev, "AIF1 overclocked\n");
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if (val[0] & ARIZONA_PAD_CTRL_OVERCLOCKED_STS)
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dev_err(arizona->dev, "Pad control overclocked\n");
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if (val[1] & ARIZONA_SLIMBUS_SUBSYS_OVERCLOCKED_STS)
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dev_err(arizona->dev, "Slimbus subsystem overclocked\n");
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if (val[1] & ARIZONA_SLIMBUS_ASYNC_OVERCLOCKED_STS)
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dev_err(arizona->dev, "Slimbus async overclocked\n");
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if (val[1] & ARIZONA_SLIMBUS_SYNC_OVERCLOCKED_STS)
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dev_err(arizona->dev, "Slimbus sync overclocked\n");
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if (val[1] & ARIZONA_ASRC_ASYNC_SYS_OVERCLOCKED_STS)
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dev_err(arizona->dev, "ASRC async system overclocked\n");
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if (val[1] & ARIZONA_ASRC_ASYNC_WARP_OVERCLOCKED_STS)
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dev_err(arizona->dev, "ASRC async WARP overclocked\n");
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if (val[1] & ARIZONA_ASRC_SYNC_SYS_OVERCLOCKED_STS)
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dev_err(arizona->dev, "ASRC sync system overclocked\n");
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if (val[1] & ARIZONA_ASRC_SYNC_WARP_OVERCLOCKED_STS)
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dev_err(arizona->dev, "ASRC sync WARP overclocked\n");
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if (val[1] & ARIZONA_ADSP2_1_OVERCLOCKED_STS)
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dev_err(arizona->dev, "DSP1 overclocked\n");
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if (val[1] & ARIZONA_ISRC3_OVERCLOCKED_STS)
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dev_err(arizona->dev, "ISRC3 overclocked\n");
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if (val[1] & ARIZONA_ISRC2_OVERCLOCKED_STS)
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dev_err(arizona->dev, "ISRC2 overclocked\n");
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if (val[1] & ARIZONA_ISRC1_OVERCLOCKED_STS)
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dev_err(arizona->dev, "ISRC1 overclocked\n");
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if (val[2] & ARIZONA_SPDIF_OVERCLOCKED_STS)
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dev_err(arizona->dev, "SPDIF overclocked\n");
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return IRQ_HANDLED;
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}
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#define ARIZONA_REG_POLL_DELAY_US 7500
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static inline bool arizona_poll_reg_delay(ktime_t timeout)
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{
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if (ktime_compare(ktime_get(), timeout) > 0)
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return false;
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usleep_range(ARIZONA_REG_POLL_DELAY_US / 2, ARIZONA_REG_POLL_DELAY_US);
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return true;
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}
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static int arizona_poll_reg(struct arizona *arizona,
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int timeout_ms, unsigned int reg,
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unsigned int mask, unsigned int target)
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{
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ktime_t timeout = ktime_add_us(ktime_get(), timeout_ms * USEC_PER_MSEC);
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unsigned int val = 0;
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int ret;
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do {
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ret = regmap_read(arizona->regmap, reg, &val);
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if ((val & mask) == target)
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return 0;
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} while (arizona_poll_reg_delay(timeout));
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if (ret) {
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dev_err(arizona->dev, "Failed polling reg 0x%x: %d\n",
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reg, ret);
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return ret;
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}
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dev_err(arizona->dev, "Polling reg 0x%x timed out: %x\n", reg, val);
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return -ETIMEDOUT;
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}
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static int arizona_wait_for_boot(struct arizona *arizona)
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{
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int ret;
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/*
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* We can't use an interrupt as we need to runtime resume to do so,
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* we won't race with the interrupt handler as it'll be blocked on
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* runtime resume.
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*/
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ret = arizona_poll_reg(arizona, 30, ARIZONA_INTERRUPT_RAW_STATUS_5,
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ARIZONA_BOOT_DONE_STS, ARIZONA_BOOT_DONE_STS);
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if (!ret)
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regmap_write(arizona->regmap, ARIZONA_INTERRUPT_STATUS_5,
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ARIZONA_BOOT_DONE_STS);
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pm_runtime_mark_last_busy(arizona->dev);
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return ret;
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}
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static inline void arizona_enable_reset(struct arizona *arizona)
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{
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if (arizona->pdata.reset)
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gpiod_set_raw_value_cansleep(arizona->pdata.reset, 0);
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}
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static void arizona_disable_reset(struct arizona *arizona)
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{
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if (arizona->pdata.reset) {
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switch (arizona->type) {
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case WM5110:
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case WM8280:
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/* Meet requirements for minimum reset duration */
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usleep_range(5000, 10000);
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break;
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default:
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break;
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}
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gpiod_set_raw_value_cansleep(arizona->pdata.reset, 1);
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usleep_range(1000, 5000);
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}
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}
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struct arizona_sysclk_state {
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unsigned int fll;
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unsigned int sysclk;
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};
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static int arizona_enable_freerun_sysclk(struct arizona *arizona,
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struct arizona_sysclk_state *state)
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{
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int ret, err;
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/* Cache existing FLL and SYSCLK settings */
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ret = regmap_read(arizona->regmap, ARIZONA_FLL1_CONTROL_1, &state->fll);
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if (ret) {
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dev_err(arizona->dev, "Failed to cache FLL settings: %d\n",
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ret);
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return ret;
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}
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ret = regmap_read(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1,
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&state->sysclk);
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if (ret) {
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dev_err(arizona->dev, "Failed to cache SYSCLK settings: %d\n",
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ret);
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return ret;
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}
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/* Start up SYSCLK using the FLL in free running mode */
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ret = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1,
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ARIZONA_FLL1_ENA | ARIZONA_FLL1_FREERUN);
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if (ret) {
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dev_err(arizona->dev,
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"Failed to start FLL in freerunning mode: %d\n",
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ret);
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return ret;
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}
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ret = arizona_poll_reg(arizona, 180, ARIZONA_INTERRUPT_RAW_STATUS_5,
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ARIZONA_FLL1_CLOCK_OK_STS,
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ARIZONA_FLL1_CLOCK_OK_STS);
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if (ret)
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goto err_fll;
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ret = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1, 0x0144);
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if (ret) {
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dev_err(arizona->dev, "Failed to start SYSCLK: %d\n", ret);
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goto err_fll;
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}
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return 0;
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err_fll:
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err = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, state->fll);
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if (err)
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dev_err(arizona->dev,
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"Failed to re-apply old FLL settings: %d\n", err);
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return ret;
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}
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static int arizona_disable_freerun_sysclk(struct arizona *arizona,
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struct arizona_sysclk_state *state)
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{
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int ret;
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ret = regmap_write(arizona->regmap, ARIZONA_SYSTEM_CLOCK_1,
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state->sysclk);
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if (ret) {
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dev_err(arizona->dev,
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"Failed to re-apply old SYSCLK settings: %d\n", ret);
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return ret;
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}
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ret = regmap_write(arizona->regmap, ARIZONA_FLL1_CONTROL_1, state->fll);
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if (ret) {
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dev_err(arizona->dev,
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"Failed to re-apply old FLL settings: %d\n", ret);
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return ret;
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}
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return 0;
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}
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static int wm5102_apply_hardware_patch(struct arizona *arizona)
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{
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struct arizona_sysclk_state state;
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int err, ret;
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ret = arizona_enable_freerun_sysclk(arizona, &state);
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if (ret)
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return ret;
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/* Start the write sequencer and wait for it to finish */
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ret = regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0,
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ARIZONA_WSEQ_ENA | ARIZONA_WSEQ_START | 160);
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if (ret) {
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dev_err(arizona->dev, "Failed to start write sequencer: %d\n",
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ret);
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goto err;
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}
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ret = arizona_poll_reg(arizona, 30, ARIZONA_WRITE_SEQUENCER_CTRL_1,
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ARIZONA_WSEQ_BUSY, 0);
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if (ret)
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regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_0,
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ARIZONA_WSEQ_ABORT);
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err:
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err = arizona_disable_freerun_sysclk(arizona, &state);
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return ret ?: err;
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}
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/*
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* Register patch to some of the CODECs internal write sequences
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* to ensure a clean exit from the low power sleep state.
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*/
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static const struct reg_sequence wm5110_sleep_patch[] = {
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{ 0x337A, 0xC100 },
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{ 0x337B, 0x0041 },
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{ 0x3300, 0xA210 },
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{ 0x3301, 0x050C },
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};
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static int wm5110_apply_sleep_patch(struct arizona *arizona)
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{
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struct arizona_sysclk_state state;
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int err, ret;
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ret = arizona_enable_freerun_sysclk(arizona, &state);
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if (ret)
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return ret;
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ret = regmap_multi_reg_write_bypassed(arizona->regmap,
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wm5110_sleep_patch,
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ARRAY_SIZE(wm5110_sleep_patch));
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err = arizona_disable_freerun_sysclk(arizona, &state);
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return ret ?: err;
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}
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|
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static int wm5102_clear_write_sequencer(struct arizona *arizona)
|
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{
|
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int ret;
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ret = regmap_write(arizona->regmap, ARIZONA_WRITE_SEQUENCER_CTRL_3,
|
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0x0);
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if (ret) {
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dev_err(arizona->dev,
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"Failed to clear write sequencer state: %d\n", ret);
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return ret;
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|
}
|
|
|
|
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;
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
static int arizona_isolate_dcvdd(struct arizona *arizona)
|
|
{
|
|
int ret;
|
|
|
|
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;
|
|
}
|
|
|
|
static int arizona_connect_dcvdd(struct arizona *arizona)
|
|
{
|
|
int ret;
|
|
|
|
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);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int arizona_is_jack_det_active(struct arizona *arizona)
|
|
{
|
|
unsigned int val;
|
|
int ret;
|
|
|
|
ret = regmap_read(arizona->regmap, ARIZONA_JACK_DETECT_ANALOGUE, &val);
|
|
if (ret) {
|
|
dev_err(arizona->dev,
|
|
"Failed to check jack det status: %d\n", ret);
|
|
return ret;
|
|
} else if (val & ARIZONA_JD1_ENA) {
|
|
return 1;
|
|
} else {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static int arizona_runtime_resume(struct device *dev)
|
|
{
|
|
struct arizona *arizona = dev_get_drvdata(dev);
|
|
int ret;
|
|
|
|
dev_dbg(arizona->dev, "Leaving AoD mode\n");
|
|
|
|
if (arizona->has_fully_powered_off) {
|
|
dev_dbg(arizona->dev, "Re-enabling core supplies\n");
|
|
|
|
ret = regulator_bulk_enable(arizona->num_core_supplies,
|
|
arizona->core_supplies);
|
|
if (ret) {
|
|
dev_err(dev, "Failed to enable core supplies: %d\n",
|
|
ret);
|
|
return ret;
|
|
}
|
|
}
|
|
|
|
ret = regulator_enable(arizona->dcvdd);
|
|
if (ret != 0) {
|
|
dev_err(arizona->dev, "Failed to enable DCVDD: %d\n", ret);
|
|
if (arizona->has_fully_powered_off)
|
|
regulator_bulk_disable(arizona->num_core_supplies,
|
|
arizona->core_supplies);
|
|
return ret;
|
|
}
|
|
|
|
if (arizona->has_fully_powered_off) {
|
|
arizona_disable_reset(arizona);
|
|
enable_irq(arizona->irq);
|
|
arizona->has_fully_powered_off = false;
|
|
}
|
|
|
|
regcache_cache_only(arizona->regmap, false);
|
|
|
|
switch (arizona->type) {
|
|
case WM5102:
|
|
if (arizona->external_dcvdd) {
|
|
ret = arizona_connect_dcvdd(arizona);
|
|
if (ret != 0)
|
|
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:
|
|
ret = arizona_wait_for_boot(arizona);
|
|
if (ret)
|
|
goto err;
|
|
|
|
if (arizona->external_dcvdd) {
|
|
ret = arizona_connect_dcvdd(arizona);
|
|
if (ret != 0)
|
|
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;
|
|
}
|
|
}
|
|
|
|
ret = wm5110_apply_sleep_patch(arizona);
|
|
if (ret) {
|
|
dev_err(arizona->dev,
|
|
"Failed to re-apply sleep patch: %d\n",
|
|
ret);
|
|
goto err;
|
|
}
|
|
break;
|
|
case WM1831:
|
|
case CS47L24:
|
|
ret = arizona_wait_for_boot(arizona);
|
|
if (ret != 0)
|
|
goto err;
|
|
break;
|
|
default:
|
|
ret = arizona_wait_for_boot(arizona);
|
|
if (ret != 0)
|
|
goto err;
|
|
|
|
if (arizona->external_dcvdd) {
|
|
ret = arizona_connect_dcvdd(arizona);
|
|
if (ret != 0)
|
|
goto err;
|
|
}
|
|
break;
|
|
}
|
|
|
|
ret = regcache_sync(arizona->regmap);
|
|
if (ret != 0) {
|
|
dev_err(arizona->dev, "Failed to restore register cache\n");
|
|
goto err;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err:
|
|
regcache_cache_only(arizona->regmap, true);
|
|
regulator_disable(arizona->dcvdd);
|
|
return ret;
|
|
}
|
|
|
|
static int arizona_runtime_suspend(struct device *dev)
|
|
{
|
|
struct arizona *arizona = dev_get_drvdata(dev);
|
|
int jd_active = 0;
|
|
int ret;
|
|
|
|
dev_dbg(arizona->dev, "Entering AoD mode\n");
|
|
|
|
switch (arizona->type) {
|
|
case WM5110:
|
|
case WM8280:
|
|
jd_active = arizona_is_jack_det_active(arizona);
|
|
if (jd_active < 0)
|
|
return jd_active;
|
|
|
|
if (arizona->external_dcvdd) {
|
|
ret = arizona_isolate_dcvdd(arizona);
|
|
if (ret != 0)
|
|
return ret;
|
|
} 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,
|
|
1175000, 1175000);
|
|
if (ret < 0) {
|
|
dev_err(arizona->dev,
|
|
"Failed to set suspend voltage: %d\n",
|
|
ret);
|
|
return ret;
|
|
}
|
|
}
|
|
break;
|
|
case WM5102:
|
|
jd_active = arizona_is_jack_det_active(arizona);
|
|
if (jd_active < 0)
|
|
return jd_active;
|
|
|
|
if (arizona->external_dcvdd) {
|
|
ret = arizona_isolate_dcvdd(arizona);
|
|
if (ret != 0)
|
|
return ret;
|
|
}
|
|
|
|
if (!jd_active) {
|
|
ret = regmap_write(arizona->regmap,
|
|
ARIZONA_WRITE_SEQUENCER_CTRL_3, 0x0);
|
|
if (ret) {
|
|
dev_err(arizona->dev,
|
|
"Failed to clear write sequencer: %d\n",
|
|
ret);
|
|
return ret;
|
|
}
|
|
}
|
|
break;
|
|
case WM1831:
|
|
case CS47L24:
|
|
break;
|
|
default:
|
|
jd_active = arizona_is_jack_det_active(arizona);
|
|
if (jd_active < 0)
|
|
return jd_active;
|
|
|
|
if (arizona->external_dcvdd) {
|
|
ret = arizona_isolate_dcvdd(arizona);
|
|
if (ret != 0)
|
|
return ret;
|
|
}
|
|
break;
|
|
}
|
|
|
|
regcache_cache_only(arizona->regmap, true);
|
|
regcache_mark_dirty(arizona->regmap);
|
|
regulator_disable(arizona->dcvdd);
|
|
|
|
/* Allow us to completely power down if no jack detection */
|
|
if (!jd_active) {
|
|
dev_dbg(arizona->dev, "Fully powering off\n");
|
|
|
|
arizona->has_fully_powered_off = true;
|
|
|
|
disable_irq_nosync(arizona->irq);
|
|
arizona_enable_reset(arizona);
|
|
regulator_bulk_disable(arizona->num_core_supplies,
|
|
arizona->core_supplies);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_PM_SLEEP
|
|
static int arizona_suspend(struct device *dev)
|
|
{
|
|
struct arizona *arizona = dev_get_drvdata(dev);
|
|
|
|
dev_dbg(arizona->dev, "Suspend, disabling IRQ\n");
|
|
disable_irq(arizona->irq);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int arizona_suspend_noirq(struct device *dev)
|
|
{
|
|
struct arizona *arizona = dev_get_drvdata(dev);
|
|
|
|
dev_dbg(arizona->dev, "Late suspend, reenabling IRQ\n");
|
|
enable_irq(arizona->irq);
|
|
|
|
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);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int arizona_resume(struct device *dev)
|
|
{
|
|
struct arizona *arizona = dev_get_drvdata(dev);
|
|
|
|
dev_dbg(arizona->dev, "Resume, reenabling IRQ\n");
|
|
enable_irq(arizona->irq);
|
|
|
|
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)
|
|
SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(arizona_suspend_noirq,
|
|
arizona_resume_noirq)
|
|
};
|
|
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);
|
|
|
|
static int arizona_of_get_core_pdata(struct arizona *arizona)
|
|
{
|
|
struct arizona_pdata *pdata = &arizona->pdata;
|
|
int ret, i;
|
|
|
|
/* Handle old non-standard DT binding */
|
|
pdata->reset = devm_gpiod_get_from_of_node(arizona->dev,
|
|
arizona->dev->of_node,
|
|
"wlf,reset", 0,
|
|
GPIOD_OUT_LOW,
|
|
"arizona /RESET");
|
|
if (IS_ERR(pdata->reset)) {
|
|
ret = PTR_ERR(pdata->reset);
|
|
|
|
/*
|
|
* Reset missing will be caught when other binding is read
|
|
* but all other errors imply this binding is in use but has
|
|
* encountered a problem so should be handled.
|
|
*/
|
|
if (ret == -EPROBE_DEFER)
|
|
return ret;
|
|
else if (ret != -ENOENT && ret != -ENOSYS)
|
|
dev_err(arizona->dev, "Reset GPIO malformed: %d\n",
|
|
ret);
|
|
|
|
pdata->reset = NULL;
|
|
}
|
|
|
|
ret = of_property_read_u32_array(arizona->dev->of_node,
|
|
"wlf,gpio-defaults",
|
|
pdata->gpio_defaults,
|
|
ARRAY_SIZE(pdata->gpio_defaults));
|
|
if (ret >= 0) {
|
|
/*
|
|
* 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.
|
|
*/
|
|
for (i = 0; i < ARRAY_SIZE(pdata->gpio_defaults); i++) {
|
|
if (pdata->gpio_defaults[i] > 0xffff)
|
|
pdata->gpio_defaults[i] = 0;
|
|
else if (pdata->gpio_defaults[i] == 0)
|
|
pdata->gpio_defaults[i] = 0x10000;
|
|
}
|
|
} else {
|
|
dev_err(arizona->dev, "Failed to parse GPIO defaults: %d\n",
|
|
ret);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
const struct of_device_id arizona_of_match[] = {
|
|
{ .compatible = "wlf,wm5102", .data = (void *)WM5102 },
|
|
{ .compatible = "wlf,wm5110", .data = (void *)WM5110 },
|
|
{ .compatible = "wlf,wm8280", .data = (void *)WM8280 },
|
|
{ .compatible = "wlf,wm8997", .data = (void *)WM8997 },
|
|
{ .compatible = "wlf,wm8998", .data = (void *)WM8998 },
|
|
{ .compatible = "wlf,wm1814", .data = (void *)WM1814 },
|
|
{ .compatible = "wlf,wm1831", .data = (void *)WM1831 },
|
|
{ .compatible = "cirrus,cs47l24", .data = (void *)CS47L24 },
|
|
{},
|
|
};
|
|
EXPORT_SYMBOL_GPL(arizona_of_match);
|
|
#else
|
|
static inline int arizona_of_get_core_pdata(struct arizona *arizona)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static const struct mfd_cell early_devs[] = {
|
|
{ .name = "arizona-ldo1" },
|
|
};
|
|
|
|
static const char * const wm5102_supplies[] = {
|
|
"MICVDD",
|
|
"DBVDD2",
|
|
"DBVDD3",
|
|
"CPVDD",
|
|
"SPKVDDL",
|
|
"SPKVDDR",
|
|
};
|
|
|
|
static const struct mfd_cell wm5102_devs[] = {
|
|
{ .name = "arizona-micsupp" },
|
|
{ .name = "arizona-gpio" },
|
|
{
|
|
.name = "arizona-extcon",
|
|
.parent_supplies = wm5102_supplies,
|
|
.num_parent_supplies = 1, /* We only need MICVDD */
|
|
},
|
|
{ .name = "arizona-haptics" },
|
|
{ .name = "arizona-pwm" },
|
|
{
|
|
.name = "wm5102-codec",
|
|
.parent_supplies = wm5102_supplies,
|
|
.num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
|
|
},
|
|
};
|
|
|
|
static const struct mfd_cell wm5110_devs[] = {
|
|
{ .name = "arizona-micsupp" },
|
|
{ .name = "arizona-gpio" },
|
|
{
|
|
.name = "arizona-extcon",
|
|
.parent_supplies = wm5102_supplies,
|
|
.num_parent_supplies = 1, /* We only need MICVDD */
|
|
},
|
|
{ .name = "arizona-haptics" },
|
|
{ .name = "arizona-pwm" },
|
|
{
|
|
.name = "wm5110-codec",
|
|
.parent_supplies = wm5102_supplies,
|
|
.num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
|
|
},
|
|
};
|
|
|
|
static const char * const cs47l24_supplies[] = {
|
|
"MICVDD",
|
|
"CPVDD",
|
|
"SPKVDD",
|
|
};
|
|
|
|
static const struct mfd_cell cs47l24_devs[] = {
|
|
{ .name = "arizona-gpio" },
|
|
{ .name = "arizona-haptics" },
|
|
{ .name = "arizona-pwm" },
|
|
{
|
|
.name = "cs47l24-codec",
|
|
.parent_supplies = cs47l24_supplies,
|
|
.num_parent_supplies = ARRAY_SIZE(cs47l24_supplies),
|
|
},
|
|
};
|
|
|
|
static const char * const wm8997_supplies[] = {
|
|
"MICVDD",
|
|
"DBVDD2",
|
|
"CPVDD",
|
|
"SPKVDD",
|
|
};
|
|
|
|
static const struct mfd_cell wm8997_devs[] = {
|
|
{ .name = "arizona-micsupp" },
|
|
{ .name = "arizona-gpio" },
|
|
{
|
|
.name = "arizona-extcon",
|
|
.parent_supplies = wm8997_supplies,
|
|
.num_parent_supplies = 1, /* We only need MICVDD */
|
|
},
|
|
{ .name = "arizona-haptics" },
|
|
{ .name = "arizona-pwm" },
|
|
{
|
|
.name = "wm8997-codec",
|
|
.parent_supplies = wm8997_supplies,
|
|
.num_parent_supplies = ARRAY_SIZE(wm8997_supplies),
|
|
},
|
|
};
|
|
|
|
static const struct mfd_cell wm8998_devs[] = {
|
|
{ .name = "arizona-micsupp" },
|
|
{ .name = "arizona-gpio" },
|
|
{
|
|
.name = "arizona-extcon",
|
|
.parent_supplies = wm5102_supplies,
|
|
.num_parent_supplies = 1, /* We only need MICVDD */
|
|
},
|
|
{ .name = "arizona-haptics" },
|
|
{ .name = "arizona-pwm" },
|
|
{
|
|
.name = "wm8998-codec",
|
|
.parent_supplies = wm5102_supplies,
|
|
.num_parent_supplies = ARRAY_SIZE(wm5102_supplies),
|
|
},
|
|
};
|
|
|
|
int arizona_dev_init(struct arizona *arizona)
|
|
{
|
|
const char * const mclk_name[] = { "mclk1", "mclk2" };
|
|
struct device *dev = arizona->dev;
|
|
const char *type_name = NULL;
|
|
unsigned int reg, val;
|
|
int (*apply_patch)(struct arizona *) = NULL;
|
|
const struct mfd_cell *subdevs = NULL;
|
|
int n_subdevs = 0, 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));
|
|
} else {
|
|
ret = arizona_of_get_core_pdata(arizona);
|
|
if (ret < 0)
|
|
return ret;
|
|
}
|
|
|
|
BUILD_BUG_ON(ARRAY_SIZE(arizona->mclk) != ARRAY_SIZE(mclk_name));
|
|
for (i = 0; i < ARRAY_SIZE(arizona->mclk); i++) {
|
|
arizona->mclk[i] = devm_clk_get(arizona->dev, mclk_name[i]);
|
|
if (IS_ERR(arizona->mclk[i])) {
|
|
dev_info(arizona->dev, "Failed to get %s: %ld\n",
|
|
mclk_name[i], PTR_ERR(arizona->mclk[i]));
|
|
arizona->mclk[i] = NULL;
|
|
}
|
|
}
|
|
|
|
regcache_cache_only(arizona->regmap, true);
|
|
|
|
switch (arizona->type) {
|
|
case WM5102:
|
|
case WM5110:
|
|
case WM8280:
|
|
case WM8997:
|
|
case WM8998:
|
|
case WM1814:
|
|
case WM1831:
|
|
case CS47L24:
|
|
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 -ENODEV;
|
|
}
|
|
|
|
/* Mark DCVDD as external, LDO1 driver will clear if internal */
|
|
arizona->external_dcvdd = true;
|
|
|
|
switch (arizona->type) {
|
|
case WM1831:
|
|
case CS47L24:
|
|
break; /* No LDO1 regulator */
|
|
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;
|
|
}
|
|
|
|
if (!arizona->pdata.reset) {
|
|
/* Start out with /RESET low to put the chip into reset */
|
|
arizona->pdata.reset = devm_gpiod_get(arizona->dev, "reset",
|
|
GPIOD_OUT_LOW);
|
|
if (IS_ERR(arizona->pdata.reset)) {
|
|
ret = PTR_ERR(arizona->pdata.reset);
|
|
if (ret == -EPROBE_DEFER)
|
|
goto err_dcvdd;
|
|
|
|
dev_err(arizona->dev,
|
|
"Reset GPIO missing/malformed: %d\n", ret);
|
|
|
|
arizona->pdata.reset = NULL;
|
|
}
|
|
}
|
|
|
|
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_dcvdd;
|
|
}
|
|
|
|
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);
|
|
|
|
/* Verify that this is a chip we know about */
|
|
ret = regmap_read(arizona->regmap, ARIZONA_SOFTWARE_RESET, ®);
|
|
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:
|
|
break;
|
|
default:
|
|
dev_err(arizona->dev, "Unknown device ID: %x\n", reg);
|
|
ret = -ENODEV;
|
|
goto err_reset;
|
|
}
|
|
|
|
/* 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_reset;
|
|
}
|
|
|
|
usleep_range(1000, 5000);
|
|
}
|
|
|
|
/* 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, ®);
|
|
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) {
|
|
case 0x5102:
|
|
if (IS_ENABLED(CONFIG_MFD_WM5102)) {
|
|
type_name = "WM5102";
|
|
if (arizona->type != WM5102) {
|
|
dev_warn(arizona->dev,
|
|
"WM5102 registered as %d\n",
|
|
arizona->type);
|
|
arizona->type = WM5102;
|
|
}
|
|
|
|
apply_patch = wm5102_patch;
|
|
arizona->rev &= 0x7;
|
|
subdevs = wm5102_devs;
|
|
n_subdevs = ARRAY_SIZE(wm5102_devs);
|
|
}
|
|
break;
|
|
case 0x5110:
|
|
if (IS_ENABLED(CONFIG_MFD_WM5110)) {
|
|
switch (arizona->type) {
|
|
case WM5110:
|
|
type_name = "WM5110";
|
|
break;
|
|
case WM8280:
|
|
type_name = "WM8280";
|
|
break;
|
|
default:
|
|
type_name = "WM5110";
|
|
dev_warn(arizona->dev,
|
|
"WM5110 registered as %d\n",
|
|
arizona->type);
|
|
arizona->type = WM5110;
|
|
break;
|
|
}
|
|
|
|
apply_patch = wm5110_patch;
|
|
subdevs = wm5110_devs;
|
|
n_subdevs = ARRAY_SIZE(wm5110_devs);
|
|
}
|
|
break;
|
|
case 0x6363:
|
|
if (IS_ENABLED(CONFIG_MFD_CS47L24)) {
|
|
switch (arizona->type) {
|
|
case CS47L24:
|
|
type_name = "CS47L24";
|
|
break;
|
|
|
|
case WM1831:
|
|
type_name = "WM1831";
|
|
break;
|
|
|
|
default:
|
|
dev_warn(arizona->dev,
|
|
"CS47L24 registered as %d\n",
|
|
arizona->type);
|
|
arizona->type = CS47L24;
|
|
break;
|
|
}
|
|
|
|
apply_patch = cs47l24_patch;
|
|
subdevs = cs47l24_devs;
|
|
n_subdevs = ARRAY_SIZE(cs47l24_devs);
|
|
}
|
|
break;
|
|
case 0x8997:
|
|
if (IS_ENABLED(CONFIG_MFD_WM8997)) {
|
|
type_name = "WM8997";
|
|
if (arizona->type != WM8997) {
|
|
dev_warn(arizona->dev,
|
|
"WM8997 registered as %d\n",
|
|
arizona->type);
|
|
arizona->type = WM8997;
|
|
}
|
|
|
|
apply_patch = wm8997_patch;
|
|
subdevs = wm8997_devs;
|
|
n_subdevs = ARRAY_SIZE(wm8997_devs);
|
|
}
|
|
break;
|
|
case 0x6349:
|
|
if (IS_ENABLED(CONFIG_MFD_WM8998)) {
|
|
switch (arizona->type) {
|
|
case WM8998:
|
|
type_name = "WM8998";
|
|
break;
|
|
|
|
case WM1814:
|
|
type_name = "WM1814";
|
|
break;
|
|
|
|
default:
|
|
type_name = "WM8998";
|
|
dev_warn(arizona->dev,
|
|
"WM8998 registered as %d\n",
|
|
arizona->type);
|
|
arizona->type = WM8998;
|
|
}
|
|
|
|
apply_patch = wm8998_patch;
|
|
subdevs = wm8998_devs;
|
|
n_subdevs = ARRAY_SIZE(wm8998_devs);
|
|
}
|
|
break;
|
|
default:
|
|
dev_err(arizona->dev, "Unknown device ID %x\n", reg);
|
|
ret = -ENODEV;
|
|
goto err_reset;
|
|
}
|
|
|
|
if (!subdevs) {
|
|
dev_err(arizona->dev,
|
|
"No kernel support for device ID %x\n", reg);
|
|
ret = -ENODEV;
|
|
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;
|
|
}
|
|
}
|
|
|
|
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]);
|
|
}
|
|
|
|
/* 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;
|
|
}
|
|
|
|
for (i = 0; i < ARIZONA_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;
|
|
|
|
val <<= ARIZONA_MICB1_LVL_SHIFT;
|
|
|
|
if (arizona->pdata.micbias[i].ext_cap)
|
|
val |= ARIZONA_MICB1_EXT_CAP;
|
|
|
|
if (arizona->pdata.micbias[i].discharge)
|
|
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,
|
|
ARIZONA_MICB1_LVL_MASK |
|
|
ARIZONA_MICB1_EXT_CAP |
|
|
ARIZONA_MICB1_DISCH |
|
|
ARIZONA_MICB1_BYPASS |
|
|
ARIZONA_MICB1_RATE, val);
|
|
}
|
|
|
|
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_pm;
|
|
|
|
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);
|
|
|
|
ret = mfd_add_devices(arizona->dev, PLATFORM_DEVID_NONE,
|
|
subdevs, n_subdevs, NULL, 0, NULL);
|
|
|
|
if (ret) {
|
|
dev_err(arizona->dev, "Failed to add subdevices: %d\n", ret);
|
|
goto err_irq;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_irq:
|
|
arizona_irq_exit(arizona);
|
|
err_pm:
|
|
pm_runtime_disable(arizona->dev);
|
|
|
|
switch (arizona->pdata.clk32k_src) {
|
|
case ARIZONA_32KZ_MCLK1:
|
|
case ARIZONA_32KZ_MCLK2:
|
|
arizona_clk32k_disable(arizona);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
err_reset:
|
|
arizona_enable_reset(arizona);
|
|
regulator_disable(arizona->dcvdd);
|
|
err_enable:
|
|
regulator_bulk_disable(arizona->num_core_supplies,
|
|
arizona->core_supplies);
|
|
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)
|
|
{
|
|
disable_irq(arizona->irq);
|
|
pm_runtime_disable(arizona->dev);
|
|
|
|
regulator_disable(arizona->dcvdd);
|
|
regulator_put(arizona->dcvdd);
|
|
|
|
switch (arizona->pdata.clk32k_src) {
|
|
case ARIZONA_32KZ_MCLK1:
|
|
case ARIZONA_32KZ_MCLK2:
|
|
arizona_clk32k_disable(arizona);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
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);
|