745 lines
19 KiB
C
745 lines
19 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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//
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// rt1316-sdw.c -- rt1316 SDCA ALSA SoC amplifier audio driver
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//
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// Copyright(c) 2021 Realtek Semiconductor Corp.
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//
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//
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#include <linux/delay.h>
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#include <linux/device.h>
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#include <linux/pm_runtime.h>
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#include <linux/mod_devicetable.h>
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#include <linux/module.h>
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#include <linux/regmap.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/soc-dapm.h>
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#include <sound/initval.h>
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#include "rt1316-sdw.h"
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static const struct reg_default rt1316_reg_defaults[] = {
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{ 0x3004, 0x00 },
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{ 0x3005, 0x00 },
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{ 0x3206, 0x00 },
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{ 0xc001, 0x00 },
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{ 0xc002, 0x00 },
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{ 0xc003, 0x00 },
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{ 0xc004, 0x00 },
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{ 0xc005, 0x00 },
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{ 0xc006, 0x00 },
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{ 0xc007, 0x00 },
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{ 0xc008, 0x00 },
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{ 0xc009, 0x00 },
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{ 0xc00a, 0x00 },
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{ 0xc00b, 0x00 },
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{ 0xc00c, 0x00 },
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{ 0xc00d, 0x00 },
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{ 0xc00e, 0x00 },
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{ 0xc00f, 0x00 },
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{ 0xc010, 0xa5 },
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{ 0xc011, 0x00 },
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{ 0xc012, 0xff },
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{ 0xc013, 0xff },
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{ 0xc014, 0x40 },
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{ 0xc015, 0x00 },
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{ 0xc016, 0x00 },
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{ 0xc017, 0x00 },
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{ 0xc605, 0x30 },
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{ 0xc700, 0x0a },
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{ 0xc701, 0xaa },
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{ 0xc702, 0x1a },
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{ 0xc703, 0x0a },
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{ 0xc710, 0x80 },
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{ 0xc711, 0x00 },
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{ 0xc712, 0x3e },
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{ 0xc713, 0x80 },
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{ 0xc714, 0x80 },
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{ 0xc715, 0x06 },
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{ 0xd101, 0x00 },
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{ 0xd102, 0x30 },
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{ 0xd103, 0x00 },
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{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_UDMPU21, RT1316_SDCA_CTL_UDMPU_CLUSTER, 0), 0x00 },
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{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_FU21, RT1316_SDCA_CTL_FU_MUTE, CH_L), 0x01 },
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{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_FU21, RT1316_SDCA_CTL_FU_MUTE, CH_R), 0x01 },
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{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_XU24, RT1316_SDCA_CTL_BYPASS, 0), 0x01 },
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{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE23, RT1316_SDCA_CTL_REQ_POWER_STATE, 0), 0x03 },
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{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE22, RT1316_SDCA_CTL_REQ_POWER_STATE, 0), 0x03 },
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{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE24, RT1316_SDCA_CTL_REQ_POWER_STATE, 0), 0x03 },
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};
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static const struct reg_sequence rt1316_blind_write[] = {
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{ 0xc710, 0x17 },
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{ 0xc711, 0x80 },
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{ 0xc712, 0x26 },
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{ 0xc713, 0x06 },
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{ 0xc714, 0x80 },
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{ 0xc715, 0x06 },
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{ 0xc702, 0x0a },
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{ 0xc703, 0x0a },
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{ 0xc001, 0x45 },
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{ 0xc003, 0x00 },
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{ 0xc004, 0x11 },
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{ 0xc005, 0x00 },
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{ 0xc006, 0x00 },
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{ 0xc106, 0x00 },
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{ 0xc007, 0x11 },
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{ 0xc008, 0x11 },
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{ 0xc009, 0x00 },
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{ 0x2f0a, 0x00 },
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{ 0xd101, 0xf0 },
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{ 0xd103, 0x9b },
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{ 0x2f36, 0x8e },
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{ 0x3206, 0x80 },
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{ 0x3211, 0x0b },
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{ 0x3216, 0x06 },
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{ 0xc614, 0x20 },
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{ 0xc615, 0x0a },
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{ 0xc616, 0x02 },
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{ 0xc617, 0x00 },
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{ 0xc60b, 0x10 },
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{ 0xc60e, 0x05 },
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{ 0xc102, 0x00 },
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{ 0xc090, 0xb0 },
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{ 0xc00f, 0x01 },
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{ 0xc09c, 0x7b },
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{ 0xc602, 0x07 },
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{ 0xc603, 0x07 },
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{ 0xc0a3, 0x71 },
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{ 0xc00b, 0x30 },
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{ 0xc093, 0x80 },
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{ 0xc09d, 0x80 },
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{ 0xc0b0, 0x77 },
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{ 0xc010, 0xa5 },
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{ 0xc050, 0x83 },
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{ 0x2f55, 0x03 },
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{ 0x3217, 0xb5 },
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{ 0x3202, 0x02 },
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{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_XU24, RT1316_SDCA_CTL_BYPASS, 0), 0x00 },
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/* for IV sense */
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{ 0x2232, 0x80 },
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{ 0xc0b0, 0x77 },
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{ 0xc011, 0x00 },
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{ 0xc020, 0x00 },
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{ 0xc023, 0x00 },
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{ 0x3101, 0x00 },
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{ 0x3004, 0xa0 },
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{ 0x3005, 0xb1 },
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{ 0xc007, 0x11 },
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{ 0xc008, 0x11 },
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{ 0xc009, 0x00 },
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{ 0xc022, 0xd6 },
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{ 0xc025, 0xd6 },
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{ 0xd001, 0x03 },
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{ 0xd002, 0xbf },
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{ 0xd003, 0x03 },
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{ 0xd004, 0xbf },
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};
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static bool rt1316_readable_register(struct device *dev, unsigned int reg)
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{
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switch (reg) {
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case 0x2f0a:
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case 0x2f36:
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case 0x3203 ... 0x320e:
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case 0xc000 ... 0xc7b4:
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case 0xcf00 ... 0xcf03:
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case 0xd101 ... 0xd103:
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case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_UDMPU21, RT1316_SDCA_CTL_UDMPU_CLUSTER, 0):
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case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_FU21, RT1316_SDCA_CTL_FU_MUTE, CH_L):
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case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_FU21, RT1316_SDCA_CTL_FU_MUTE, CH_R):
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case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE23, RT1316_SDCA_CTL_REQ_POWER_STATE, 0):
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case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE27, RT1316_SDCA_CTL_REQ_POWER_STATE, 0):
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case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE22, RT1316_SDCA_CTL_REQ_POWER_STATE, 0):
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case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE24, RT1316_SDCA_CTL_REQ_POWER_STATE, 0):
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return true;
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default:
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return false;
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}
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}
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static bool rt1316_volatile_register(struct device *dev, unsigned int reg)
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{
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switch (reg) {
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case 0xc000:
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case 0xc093:
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case 0xc09d:
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case 0xc0a3:
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case 0xc201:
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case 0xc427 ... 0xc428:
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case 0xd102:
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return true;
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default:
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return false;
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}
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}
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static const struct regmap_config rt1316_sdw_regmap = {
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.reg_bits = 32,
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.val_bits = 8,
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.readable_reg = rt1316_readable_register,
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.volatile_reg = rt1316_volatile_register,
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.max_register = 0x4108ffff,
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.reg_defaults = rt1316_reg_defaults,
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.num_reg_defaults = ARRAY_SIZE(rt1316_reg_defaults),
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.cache_type = REGCACHE_RBTREE,
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.use_single_read = true,
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.use_single_write = true,
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};
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static int rt1316_read_prop(struct sdw_slave *slave)
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{
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struct sdw_slave_prop *prop = &slave->prop;
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int nval;
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int i, j;
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u32 bit;
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unsigned long addr;
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struct sdw_dpn_prop *dpn;
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prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;
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prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;
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prop->is_sdca = true;
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prop->paging_support = true;
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/* first we need to allocate memory for set bits in port lists */
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prop->source_ports = 0x04; /* BITMAP: 00000100 */
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prop->sink_ports = 0x2; /* BITMAP: 00000010 */
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nval = hweight32(prop->source_ports);
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prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,
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sizeof(*prop->src_dpn_prop), GFP_KERNEL);
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if (!prop->src_dpn_prop)
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return -ENOMEM;
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i = 0;
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dpn = prop->src_dpn_prop;
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addr = prop->source_ports;
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for_each_set_bit(bit, &addr, 32) {
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dpn[i].num = bit;
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dpn[i].type = SDW_DPN_FULL;
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dpn[i].simple_ch_prep_sm = true;
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dpn[i].ch_prep_timeout = 10;
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i++;
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}
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/* do this again for sink now */
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nval = hweight32(prop->sink_ports);
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prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval,
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sizeof(*prop->sink_dpn_prop), GFP_KERNEL);
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if (!prop->sink_dpn_prop)
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return -ENOMEM;
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j = 0;
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dpn = prop->sink_dpn_prop;
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addr = prop->sink_ports;
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for_each_set_bit(bit, &addr, 32) {
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dpn[j].num = bit;
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dpn[j].type = SDW_DPN_FULL;
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dpn[j].simple_ch_prep_sm = true;
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dpn[j].ch_prep_timeout = 10;
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j++;
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}
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/* set the timeout values */
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prop->clk_stop_timeout = 20;
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dev_dbg(&slave->dev, "%s\n", __func__);
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return 0;
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}
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static int rt1316_io_init(struct device *dev, struct sdw_slave *slave)
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{
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struct rt1316_sdw_priv *rt1316 = dev_get_drvdata(dev);
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if (rt1316->hw_init)
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return 0;
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if (rt1316->first_hw_init) {
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regcache_cache_only(rt1316->regmap, false);
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regcache_cache_bypass(rt1316->regmap, true);
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} else {
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/*
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* PM runtime is only enabled when a Slave reports as Attached
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*/
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/* set autosuspend parameters */
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pm_runtime_set_autosuspend_delay(&slave->dev, 3000);
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pm_runtime_use_autosuspend(&slave->dev);
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/* update count of parent 'active' children */
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pm_runtime_set_active(&slave->dev);
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/* make sure the device does not suspend immediately */
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pm_runtime_mark_last_busy(&slave->dev);
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pm_runtime_enable(&slave->dev);
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}
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pm_runtime_get_noresume(&slave->dev);
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/* sw reset */
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regmap_write(rt1316->regmap, 0xc000, 0x02);
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/* initial settings - blind write */
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regmap_multi_reg_write(rt1316->regmap, rt1316_blind_write,
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ARRAY_SIZE(rt1316_blind_write));
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if (rt1316->first_hw_init) {
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regcache_cache_bypass(rt1316->regmap, false);
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regcache_mark_dirty(rt1316->regmap);
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} else
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rt1316->first_hw_init = true;
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/* Mark Slave initialization complete */
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rt1316->hw_init = true;
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pm_runtime_mark_last_busy(&slave->dev);
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pm_runtime_put_autosuspend(&slave->dev);
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dev_dbg(&slave->dev, "%s hw_init complete\n", __func__);
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return 0;
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}
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static int rt1316_update_status(struct sdw_slave *slave,
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enum sdw_slave_status status)
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{
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struct rt1316_sdw_priv *rt1316 = dev_get_drvdata(&slave->dev);
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/* Update the status */
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rt1316->status = status;
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if (status == SDW_SLAVE_UNATTACHED)
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rt1316->hw_init = false;
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/*
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* Perform initialization only if slave status is present and
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* hw_init flag is false
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*/
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if (rt1316->hw_init || rt1316->status != SDW_SLAVE_ATTACHED)
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return 0;
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/* perform I/O transfers required for Slave initialization */
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return rt1316_io_init(&slave->dev, slave);
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}
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static int rt1316_classd_event(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *kcontrol, int event)
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{
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struct snd_soc_component *component =
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snd_soc_dapm_to_component(w->dapm);
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struct rt1316_sdw_priv *rt1316 = snd_soc_component_get_drvdata(component);
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unsigned char ps0 = 0x0, ps3 = 0x3;
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switch (event) {
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case SND_SOC_DAPM_POST_PMU:
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regmap_write(rt1316->regmap,
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SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE23,
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RT1316_SDCA_CTL_REQ_POWER_STATE, 0),
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ps0);
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regmap_write(rt1316->regmap,
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SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE27,
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RT1316_SDCA_CTL_REQ_POWER_STATE, 0),
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ps0);
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regmap_write(rt1316->regmap,
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SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE22,
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RT1316_SDCA_CTL_REQ_POWER_STATE, 0),
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ps0);
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break;
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case SND_SOC_DAPM_PRE_PMD:
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regmap_write(rt1316->regmap,
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SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE23,
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RT1316_SDCA_CTL_REQ_POWER_STATE, 0),
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ps3);
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regmap_write(rt1316->regmap,
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SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE27,
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RT1316_SDCA_CTL_REQ_POWER_STATE, 0),
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ps3);
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regmap_write(rt1316->regmap,
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SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE22,
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RT1316_SDCA_CTL_REQ_POWER_STATE, 0),
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ps3);
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break;
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default:
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break;
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}
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return 0;
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}
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static int rt1316_pde24_event(struct snd_soc_dapm_widget *w,
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struct snd_kcontrol *kcontrol, int event)
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{
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struct snd_soc_component *component =
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snd_soc_dapm_to_component(w->dapm);
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struct rt1316_sdw_priv *rt1316 = snd_soc_component_get_drvdata(component);
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unsigned char ps0 = 0x0, ps3 = 0x3;
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switch (event) {
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case SND_SOC_DAPM_POST_PMU:
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regmap_write(rt1316->regmap,
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SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE24,
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RT1316_SDCA_CTL_REQ_POWER_STATE, 0),
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ps0);
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break;
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case SND_SOC_DAPM_PRE_PMD:
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regmap_write(rt1316->regmap,
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SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_PDE24,
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RT1316_SDCA_CTL_REQ_POWER_STATE, 0),
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ps3);
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break;
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}
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return 0;
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}
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static const char * const rt1316_rx_data_ch_select[] = {
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"L,R",
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"L,L",
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"L,R",
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"L,L+R",
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"R,L",
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"R,R",
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"R,L+R",
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"L+R,L",
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"L+R,R",
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"L+R,L+R",
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};
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static SOC_ENUM_SINGLE_DECL(rt1316_rx_data_ch_enum,
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SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_UDMPU21, RT1316_SDCA_CTL_UDMPU_CLUSTER, 0), 0,
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rt1316_rx_data_ch_select);
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static const struct snd_kcontrol_new rt1316_snd_controls[] = {
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/* I2S Data Channel Selection */
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SOC_ENUM("RX Channel Select", rt1316_rx_data_ch_enum),
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/* XU24 Bypass Control */
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SOC_SINGLE("XU24 Bypass Switch",
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SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_XU24, RT1316_SDCA_CTL_BYPASS, 0), 0, 1, 0),
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/* Left/Right IV tag */
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SOC_SINGLE("Left V Tag Select", 0x3004, 0, 7, 0),
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SOC_SINGLE("Left I Tag Select", 0x3004, 4, 7, 0),
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SOC_SINGLE("Right V Tag Select", 0x3005, 0, 7, 0),
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SOC_SINGLE("Right I Tag Select", 0x3005, 4, 7, 0),
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/* IV mixer Control */
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SOC_DOUBLE("Isense Mixer Switch", 0xc605, 2, 0, 1, 1),
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SOC_DOUBLE("Vsense Mixer Switch", 0xc605, 3, 1, 1, 1),
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};
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static const struct snd_kcontrol_new rt1316_sto_dac =
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SOC_DAPM_DOUBLE_R("Switch",
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SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_FU21, RT1316_SDCA_CTL_FU_MUTE, CH_L),
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SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1316_SDCA_ENT_FU21, RT1316_SDCA_CTL_FU_MUTE, CH_R),
|
|
0, 1, 1);
|
|
|
|
static const struct snd_soc_dapm_widget rt1316_dapm_widgets[] = {
|
|
/* Audio Interface */
|
|
SND_SOC_DAPM_AIF_IN("DP1RX", "DP1 Playback", 0, SND_SOC_NOPM, 0, 0),
|
|
SND_SOC_DAPM_AIF_OUT("DP2TX", "DP2 Capture", 0, SND_SOC_NOPM, 0, 0),
|
|
|
|
/* Digital Interface */
|
|
SND_SOC_DAPM_SWITCH("DAC", SND_SOC_NOPM, 0, 0, &rt1316_sto_dac),
|
|
|
|
/* Output Lines */
|
|
SND_SOC_DAPM_PGA_E("CLASS D", SND_SOC_NOPM, 0, 0, NULL, 0,
|
|
rt1316_classd_event,
|
|
SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
|
|
SND_SOC_DAPM_OUTPUT("SPOL"),
|
|
SND_SOC_DAPM_OUTPUT("SPOR"),
|
|
|
|
SND_SOC_DAPM_SUPPLY("PDE 24", SND_SOC_NOPM, 0, 0,
|
|
rt1316_pde24_event,
|
|
SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
|
|
SND_SOC_DAPM_PGA("I Sense", SND_SOC_NOPM, 0, 0, NULL, 0),
|
|
SND_SOC_DAPM_PGA("V Sense", SND_SOC_NOPM, 0, 0, NULL, 0),
|
|
SND_SOC_DAPM_SIGGEN("I Gen"),
|
|
SND_SOC_DAPM_SIGGEN("V Gen"),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route rt1316_dapm_routes[] = {
|
|
{ "DAC", "Switch", "DP1RX" },
|
|
{ "CLASS D", NULL, "DAC" },
|
|
{ "SPOL", NULL, "CLASS D" },
|
|
{ "SPOR", NULL, "CLASS D" },
|
|
|
|
{ "I Sense", NULL, "I Gen" },
|
|
{ "V Sense", NULL, "V Gen" },
|
|
{ "I Sense", NULL, "PDE 24" },
|
|
{ "V Sense", NULL, "PDE 24" },
|
|
{ "DP2TX", NULL, "I Sense" },
|
|
{ "DP2TX", NULL, "V Sense" },
|
|
};
|
|
|
|
static int rt1316_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
|
|
int direction)
|
|
{
|
|
struct sdw_stream_data *stream;
|
|
|
|
if (!sdw_stream)
|
|
return 0;
|
|
|
|
stream = kzalloc(sizeof(*stream), GFP_KERNEL);
|
|
if (!stream)
|
|
return -ENOMEM;
|
|
|
|
stream->sdw_stream = sdw_stream;
|
|
|
|
/* Use tx_mask or rx_mask to configure stream tag and set dma_data */
|
|
if (direction == SNDRV_PCM_STREAM_PLAYBACK)
|
|
dai->playback_dma_data = stream;
|
|
else
|
|
dai->capture_dma_data = stream;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void rt1316_sdw_shutdown(struct snd_pcm_substream *substream,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
struct sdw_stream_data *stream;
|
|
|
|
stream = snd_soc_dai_get_dma_data(dai, substream);
|
|
snd_soc_dai_set_dma_data(dai, substream, NULL);
|
|
kfree(stream);
|
|
}
|
|
|
|
static int rt1316_sdw_hw_params(struct snd_pcm_substream *substream,
|
|
struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
|
|
{
|
|
struct snd_soc_component *component = dai->component;
|
|
struct rt1316_sdw_priv *rt1316 =
|
|
snd_soc_component_get_drvdata(component);
|
|
struct sdw_stream_config stream_config;
|
|
struct sdw_port_config port_config;
|
|
enum sdw_data_direction direction;
|
|
struct sdw_stream_data *stream;
|
|
int retval, port, num_channels, ch_mask;
|
|
|
|
dev_dbg(dai->dev, "%s %s", __func__, dai->name);
|
|
stream = snd_soc_dai_get_dma_data(dai, substream);
|
|
|
|
if (!stream)
|
|
return -EINVAL;
|
|
|
|
if (!rt1316->sdw_slave)
|
|
return -EINVAL;
|
|
|
|
/* SoundWire specific configuration */
|
|
/* port 1 for playback */
|
|
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
|
|
direction = SDW_DATA_DIR_RX;
|
|
port = 1;
|
|
} else {
|
|
direction = SDW_DATA_DIR_TX;
|
|
port = 2;
|
|
}
|
|
|
|
num_channels = params_channels(params);
|
|
ch_mask = (1 << num_channels) - 1;
|
|
|
|
stream_config.frame_rate = params_rate(params);
|
|
stream_config.ch_count = num_channels;
|
|
stream_config.bps = snd_pcm_format_width(params_format(params));
|
|
stream_config.direction = direction;
|
|
|
|
port_config.ch_mask = ch_mask;
|
|
port_config.num = port;
|
|
|
|
retval = sdw_stream_add_slave(rt1316->sdw_slave, &stream_config,
|
|
&port_config, 1, stream->sdw_stream);
|
|
if (retval) {
|
|
dev_err(dai->dev, "Unable to configure port\n");
|
|
return retval;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rt1316_sdw_pcm_hw_free(struct snd_pcm_substream *substream,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
struct snd_soc_component *component = dai->component;
|
|
struct rt1316_sdw_priv *rt1316 =
|
|
snd_soc_component_get_drvdata(component);
|
|
struct sdw_stream_data *stream =
|
|
snd_soc_dai_get_dma_data(dai, substream);
|
|
|
|
if (!rt1316->sdw_slave)
|
|
return -EINVAL;
|
|
|
|
sdw_stream_remove_slave(rt1316->sdw_slave, stream->sdw_stream);
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* slave_ops: callbacks for get_clock_stop_mode, clock_stop and
|
|
* port_prep are not defined for now
|
|
*/
|
|
static struct sdw_slave_ops rt1316_slave_ops = {
|
|
.read_prop = rt1316_read_prop,
|
|
.update_status = rt1316_update_status,
|
|
};
|
|
|
|
static const struct snd_soc_component_driver soc_component_sdw_rt1316 = {
|
|
.controls = rt1316_snd_controls,
|
|
.num_controls = ARRAY_SIZE(rt1316_snd_controls),
|
|
.dapm_widgets = rt1316_dapm_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(rt1316_dapm_widgets),
|
|
.dapm_routes = rt1316_dapm_routes,
|
|
.num_dapm_routes = ARRAY_SIZE(rt1316_dapm_routes),
|
|
};
|
|
|
|
static const struct snd_soc_dai_ops rt1316_aif_dai_ops = {
|
|
.hw_params = rt1316_sdw_hw_params,
|
|
.hw_free = rt1316_sdw_pcm_hw_free,
|
|
.set_stream = rt1316_set_sdw_stream,
|
|
.shutdown = rt1316_sdw_shutdown,
|
|
};
|
|
|
|
#define RT1316_STEREO_RATES SNDRV_PCM_RATE_48000
|
|
#define RT1316_FORMATS (SNDRV_PCM_FMTBIT_S20_3LE | SNDRV_PCM_FMTBIT_S16_LE | \
|
|
SNDRV_PCM_FMTBIT_S24_LE)
|
|
|
|
static struct snd_soc_dai_driver rt1316_sdw_dai[] = {
|
|
{
|
|
.name = "rt1316-aif",
|
|
.playback = {
|
|
.stream_name = "DP1 Playback",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = RT1316_STEREO_RATES,
|
|
.formats = RT1316_FORMATS,
|
|
},
|
|
.capture = {
|
|
.stream_name = "DP2 Capture",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = RT1316_STEREO_RATES,
|
|
.formats = RT1316_FORMATS,
|
|
},
|
|
.ops = &rt1316_aif_dai_ops,
|
|
},
|
|
};
|
|
|
|
static int rt1316_sdw_init(struct device *dev, struct regmap *regmap,
|
|
struct sdw_slave *slave)
|
|
{
|
|
struct rt1316_sdw_priv *rt1316;
|
|
int ret;
|
|
|
|
rt1316 = devm_kzalloc(dev, sizeof(*rt1316), GFP_KERNEL);
|
|
if (!rt1316)
|
|
return -ENOMEM;
|
|
|
|
dev_set_drvdata(dev, rt1316);
|
|
rt1316->sdw_slave = slave;
|
|
rt1316->regmap = regmap;
|
|
|
|
/*
|
|
* Mark hw_init to false
|
|
* HW init will be performed when device reports present
|
|
*/
|
|
rt1316->hw_init = false;
|
|
rt1316->first_hw_init = false;
|
|
|
|
ret = devm_snd_soc_register_component(dev,
|
|
&soc_component_sdw_rt1316,
|
|
rt1316_sdw_dai,
|
|
ARRAY_SIZE(rt1316_sdw_dai));
|
|
|
|
dev_dbg(&slave->dev, "%s\n", __func__);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int rt1316_sdw_probe(struct sdw_slave *slave,
|
|
const struct sdw_device_id *id)
|
|
{
|
|
struct regmap *regmap;
|
|
|
|
/* Regmap Initialization */
|
|
regmap = devm_regmap_init_sdw(slave, &rt1316_sdw_regmap);
|
|
if (IS_ERR(regmap))
|
|
return PTR_ERR(regmap);
|
|
|
|
return rt1316_sdw_init(&slave->dev, regmap, slave);
|
|
}
|
|
|
|
static const struct sdw_device_id rt1316_id[] = {
|
|
SDW_SLAVE_ENTRY_EXT(0x025d, 0x1316, 0x3, 0x1, 0),
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(sdw, rt1316_id);
|
|
|
|
static int __maybe_unused rt1316_dev_suspend(struct device *dev)
|
|
{
|
|
struct rt1316_sdw_priv *rt1316 = dev_get_drvdata(dev);
|
|
|
|
if (!rt1316->hw_init)
|
|
return 0;
|
|
|
|
regcache_cache_only(rt1316->regmap, true);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#define RT1316_PROBE_TIMEOUT 5000
|
|
|
|
static int __maybe_unused rt1316_dev_resume(struct device *dev)
|
|
{
|
|
struct sdw_slave *slave = dev_to_sdw_dev(dev);
|
|
struct rt1316_sdw_priv *rt1316 = dev_get_drvdata(dev);
|
|
unsigned long time;
|
|
|
|
if (!rt1316->first_hw_init)
|
|
return 0;
|
|
|
|
if (!slave->unattach_request)
|
|
goto regmap_sync;
|
|
|
|
time = wait_for_completion_timeout(&slave->initialization_complete,
|
|
msecs_to_jiffies(RT1316_PROBE_TIMEOUT));
|
|
if (!time) {
|
|
dev_err(&slave->dev, "Initialization not complete, timed out\n");
|
|
return -ETIMEDOUT;
|
|
}
|
|
|
|
regmap_sync:
|
|
slave->unattach_request = 0;
|
|
regcache_cache_only(rt1316->regmap, false);
|
|
regcache_sync(rt1316->regmap);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct dev_pm_ops rt1316_pm = {
|
|
SET_SYSTEM_SLEEP_PM_OPS(rt1316_dev_suspend, rt1316_dev_resume)
|
|
SET_RUNTIME_PM_OPS(rt1316_dev_suspend, rt1316_dev_resume, NULL)
|
|
};
|
|
|
|
static struct sdw_driver rt1316_sdw_driver = {
|
|
.driver = {
|
|
.name = "rt1316-sdca",
|
|
.owner = THIS_MODULE,
|
|
.pm = &rt1316_pm,
|
|
},
|
|
.probe = rt1316_sdw_probe,
|
|
.ops = &rt1316_slave_ops,
|
|
.id_table = rt1316_id,
|
|
};
|
|
module_sdw_driver(rt1316_sdw_driver);
|
|
|
|
MODULE_DESCRIPTION("ASoC RT1316 driver SDCA SDW");
|
|
MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>");
|
|
MODULE_LICENSE("GPL");
|