885 lines
21 KiB
C
885 lines
21 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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//
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// rt1318-sdw.c -- rt1318 SDCA ALSA SoC amplifier audio driver
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//
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// Copyright(c) 2022 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 <linux/dmi.h>
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#include <linux/firmware.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 "rt1318-sdw.h"
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static const struct reg_sequence rt1318_blind_write[] = {
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{ 0xc001, 0x43 },
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{ 0xc003, 0xa2 },
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{ 0xc004, 0x44 },
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{ 0xc005, 0x44 },
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{ 0xc006, 0x33 },
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{ 0xc007, 0x64 },
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{ 0xc320, 0x20 },
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{ 0xf203, 0x18 },
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{ 0xf211, 0x00 },
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{ 0xf212, 0x26 },
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{ 0xf20d, 0x17 },
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{ 0xf214, 0x06 },
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{ 0xf20e, 0x00 },
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{ 0xf223, 0x7f },
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{ 0xf224, 0xdb },
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{ 0xf225, 0xee },
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{ 0xf226, 0x3f },
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{ 0xf227, 0x0f },
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{ 0xf21a, 0x78 },
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{ 0xf242, 0x3c },
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{ 0xc321, 0x0b },
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{ 0xc200, 0xd8 },
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{ 0xc201, 0x27 },
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{ 0xc202, 0x0f },
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{ 0xf800, 0x20 },
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{ 0xdf00, 0x10 },
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{ 0xdf5f, 0x01 },
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{ 0xdf60, 0xa7 },
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{ 0xc400, 0x0e },
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{ 0xc401, 0x43 },
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{ 0xc402, 0xe0 },
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{ 0xc403, 0x00 },
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{ 0xc404, 0x4c },
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{ 0xc407, 0x02 },
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{ 0xc408, 0x3f },
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{ 0xc300, 0x01 },
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{ 0xc206, 0x78 },
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{ 0xc203, 0x84 },
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{ 0xc120, 0xc0 },
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{ 0xc121, 0x03 },
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{ 0xe000, 0x88 },
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{ 0xc321, 0x09 },
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{ 0xc322, 0x01 },
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{ 0xe706, 0x0f },
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{ 0xe707, 0x30 },
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{ 0xe806, 0x0f },
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{ 0xe807, 0x30 },
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{ 0xed00, 0xb0 },
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{ 0xce04, 0x02 },
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{ 0xce05, 0x63 },
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{ 0xce06, 0x68 },
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{ 0xce07, 0x07 },
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{ 0xcf04, 0x02 },
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{ 0xcf05, 0x63 },
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{ 0xcf06, 0x68 },
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{ 0xcf07, 0x07 },
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{ 0xce60, 0xe3 },
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{ 0xc130, 0x51 },
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{ 0xf102, 0x00 },
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{ 0xf103, 0x00 },
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{ 0xf104, 0xf5 },
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{ 0xf105, 0x06 },
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{ 0xf109, 0x9b },
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{ 0xf10a, 0x0b },
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{ 0xf10b, 0x4c },
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{ 0xf10b, 0x5c },
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{ 0xf102, 0x00 },
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{ 0xf103, 0x00 },
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{ 0xf104, 0xf5 },
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{ 0xf105, 0x0b },
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{ 0xf109, 0x03 },
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{ 0xf10a, 0x0b },
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{ 0xf10b, 0x4c },
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{ 0xf10b, 0x5c },
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{ 0xf102, 0x00 },
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{ 0xf103, 0x00 },
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{ 0xf104, 0xf5 },
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{ 0xf105, 0x0c },
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{ 0xf109, 0x7f },
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{ 0xf10a, 0x0b },
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{ 0xf10b, 0x4c },
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{ 0xf10b, 0x5c },
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{ 0xe604, 0x00 },
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{ 0xdb00, 0x0c },
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{ 0xdd00, 0x0c },
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{ 0xdc19, 0x00 },
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{ 0xdc1a, 0xff },
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{ 0xdc1b, 0xff },
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{ 0xdc1c, 0xff },
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{ 0xdc1d, 0x00 },
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{ 0xdc1e, 0x00 },
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{ 0xdc1f, 0x00 },
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{ 0xdc20, 0xff },
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{ 0xde19, 0x00 },
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{ 0xde1a, 0xff },
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{ 0xde1b, 0xff },
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{ 0xde1c, 0xff },
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{ 0xde1d, 0x00 },
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{ 0xde1e, 0x00 },
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{ 0xde1f, 0x00 },
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{ 0xde20, 0xff },
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{ 0xdb32, 0x00 },
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{ 0xdd32, 0x00 },
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{ 0xdb33, 0x0a },
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{ 0xdd33, 0x0a },
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{ 0xdb34, 0x1a },
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{ 0xdd34, 0x1a },
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{ 0xdb17, 0xef },
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{ 0xdd17, 0xef },
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{ 0xdba7, 0x00 },
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{ 0xdba8, 0x64 },
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{ 0xdda7, 0x00 },
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{ 0xdda8, 0x64 },
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{ 0xdb19, 0x40 },
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{ 0xdd19, 0x40 },
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{ 0xdb00, 0x4c },
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{ 0xdb01, 0x79 },
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{ 0xdd01, 0x79 },
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{ 0xdb04, 0x05 },
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{ 0xdb05, 0x03 },
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{ 0xdd04, 0x05 },
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{ 0xdd05, 0x03 },
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{ 0xdbbb, 0x09 },
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{ 0xdbbc, 0x30 },
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{ 0xdbbd, 0xf0 },
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{ 0xdbbe, 0xf1 },
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{ 0xddbb, 0x09 },
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{ 0xddbc, 0x30 },
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{ 0xddbd, 0xf0 },
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{ 0xddbe, 0xf1 },
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{ 0xdb01, 0x79 },
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{ 0xdd01, 0x79 },
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{ 0xdc52, 0xef },
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{ 0xde52, 0xef },
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{ 0x2f55, 0x22 },
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};
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static const struct reg_default rt1318_reg_defaults[] = {
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{ 0x3000, 0x00 },
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{ 0x3004, 0x01 },
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{ 0x3005, 0x23 },
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{ 0x3202, 0x00 },
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{ 0x3203, 0x01 },
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{ 0x3206, 0x00 },
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{ 0xc000, 0x00 },
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{ 0xc001, 0x43 },
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{ 0xc003, 0x22 },
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{ 0xc004, 0x44 },
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{ 0xc005, 0x44 },
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{ 0xc006, 0x33 },
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{ 0xc007, 0x64 },
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{ 0xc008, 0x05 },
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{ 0xc00a, 0xfc },
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{ 0xc00b, 0x0f },
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{ 0xc00c, 0x0e },
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{ 0xc00d, 0xef },
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{ 0xc00e, 0xe5 },
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{ 0xc00f, 0xff },
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{ 0xc120, 0xc0 },
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{ 0xc121, 0x00 },
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{ 0xc122, 0x00 },
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{ 0xc123, 0x14 },
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{ 0xc125, 0x00 },
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{ 0xc200, 0x00 },
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{ 0xc201, 0x00 },
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{ 0xc202, 0x00 },
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{ 0xc203, 0x04 },
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{ 0xc204, 0x00 },
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{ 0xc205, 0x00 },
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{ 0xc206, 0x68 },
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{ 0xc207, 0x70 },
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{ 0xc208, 0x00 },
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{ 0xc20a, 0x00 },
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{ 0xc20b, 0x01 },
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{ 0xc20c, 0x7f },
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{ 0xc20d, 0x01 },
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{ 0xc20e, 0x7f },
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{ 0xc300, 0x00 },
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{ 0xc301, 0x00 },
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{ 0xc303, 0x80 },
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{ 0xc320, 0x00 },
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{ 0xc321, 0x09 },
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{ 0xc322, 0x02 },
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{ 0xc410, 0x04 },
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{ 0xc430, 0x00 },
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{ 0xc431, 0x00 },
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{ 0xca00, 0x10 },
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{ 0xca01, 0x00 },
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{ 0xca02, 0x0b },
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{ 0xca10, 0x10 },
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{ 0xca11, 0x00 },
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{ 0xca12, 0x0b },
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{ 0xdd93, 0x00 },
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{ 0xdd94, 0x64 },
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{ 0xe300, 0xa0 },
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{ 0xed00, 0x80 },
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{ 0xed01, 0x0f },
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{ 0xed02, 0xff },
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{ 0xed03, 0x00 },
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{ 0xed04, 0x00 },
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{ 0xed05, 0x0f },
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{ 0xed06, 0xff },
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{ 0xf010, 0x10 },
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{ 0xf011, 0xec },
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{ 0xf012, 0x68 },
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{ 0xf013, 0x21 },
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{ 0xf800, 0x00 },
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{ 0xf801, 0x12 },
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{ 0xf802, 0xe0 },
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{ 0xf803, 0x2f },
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{ 0xf804, 0x00 },
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{ 0xf805, 0x00 },
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{ 0xf806, 0x07 },
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{ 0xf807, 0xff },
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{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1318_SDCA_ENT_UDMPU21, RT1318_SDCA_CTL_UDMPU_CLUSTER, 0), 0x00 },
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{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1318_SDCA_ENT_FU21, RT1318_SDCA_CTL_FU_MUTE, CH_L), 0x01 },
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{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1318_SDCA_ENT_FU21, RT1318_SDCA_CTL_FU_MUTE, CH_R), 0x01 },
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{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1318_SDCA_ENT_PDE23, RT1318_SDCA_CTL_REQ_POWER_STATE, 0), 0x03 },
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{ SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1318_SDCA_ENT_CS21, RT1318_SDCA_CTL_SAMPLE_FREQ_INDEX, 0), 0x09 },
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};
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static bool rt1318_readable_register(struct device *dev, unsigned int reg)
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{
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switch (reg) {
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case 0x2f55:
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case 0x3000:
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case 0x3004 ... 0x3005:
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case 0x3202 ... 0x3203:
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case 0x3206:
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case 0xc000 ... 0xc00f:
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case 0xc120 ... 0xc125:
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case 0xc200 ... 0xc20e:
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case 0xc300 ... 0xc303:
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case 0xc320 ... 0xc322:
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case 0xc410:
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case 0xc430 ... 0xc431:
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case 0xca00 ... 0xca02:
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case 0xca10 ... 0xca12:
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case 0xcb00 ... 0xcb0b:
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case 0xcc00 ... 0xcce5:
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case 0xcd00 ... 0xcde5:
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case 0xce00 ... 0xce6a:
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case 0xcf00 ... 0xcf53:
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case 0xd000 ... 0xd0cc:
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case 0xd100 ... 0xd1b9:
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case 0xdb00 ... 0xdc53:
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case 0xdd00 ... 0xde53:
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case 0xdf00 ... 0xdf6b:
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case 0xe300:
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case 0xeb00 ... 0xebcc:
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case 0xec00 ... 0xecb9:
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case 0xed00 ... 0xed06:
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case 0xf010 ... 0xf014:
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case 0xf800 ... 0xf807:
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case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1318_SDCA_ENT_UDMPU21, RT1318_SDCA_CTL_UDMPU_CLUSTER, 0):
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case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1318_SDCA_ENT_FU21, RT1318_SDCA_CTL_FU_MUTE, CH_L):
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case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1318_SDCA_ENT_FU21, RT1318_SDCA_CTL_FU_MUTE, CH_R):
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case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1318_SDCA_ENT_PDE23, RT1318_SDCA_CTL_REQ_POWER_STATE, 0):
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case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1318_SDCA_ENT_CS21, RT1318_SDCA_CTL_SAMPLE_FREQ_INDEX, 0):
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case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1318_SDCA_ENT_SAPU, RT1318_SDCA_CTL_SAPU_PROTECTION_MODE, 0):
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case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1318_SDCA_ENT_SAPU, RT1318_SDCA_CTL_SAPU_PROTECTION_STATUS, 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 rt1318_volatile_register(struct device *dev, unsigned int reg)
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{
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switch (reg) {
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case 0x2f55:
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case 0x3000 ... 0x3001:
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case 0xc000:
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case 0xc301:
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case 0xc410:
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case 0xc430 ... 0xc431:
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case 0xdb06:
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case 0xdb12:
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case 0xdb1d ... 0xdb1f:
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case 0xdb35:
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case 0xdb37:
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case 0xdb8a ... 0xdb92:
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case 0xdbc5 ... 0xdbc8:
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case 0xdc2b ... 0xdc49:
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case 0xdd0b:
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case 0xdd12:
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case 0xdd1d ... 0xdd1f:
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case 0xdd35:
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case 0xdd8a ... 0xdd92:
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case 0xddc5 ... 0xddc8:
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case 0xde2b ... 0xde44:
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case 0xdf4a ... 0xdf55:
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case 0xe224 ... 0xe23b:
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case 0xea01:
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case 0xebc5:
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case 0xebc8:
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case 0xebcb ... 0xebcc:
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case 0xed03 ... 0xed06:
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case 0xf010 ... 0xf014:
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case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1318_SDCA_ENT_SAPU, RT1318_SDCA_CTL_SAPU_PROTECTION_MODE, 0):
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case SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1318_SDCA_ENT_SAPU, RT1318_SDCA_CTL_SAPU_PROTECTION_STATUS, 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 const struct regmap_config rt1318_sdw_regmap = {
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.reg_bits = 32,
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.val_bits = 8,
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.readable_reg = rt1318_readable_register,
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.volatile_reg = rt1318_volatile_register,
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.max_register = 0x41081488,
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.reg_defaults = rt1318_reg_defaults,
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.num_reg_defaults = ARRAY_SIZE(rt1318_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 rt1318_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 = BIT(2);
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prop->sink_ports = BIT(1);
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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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return 0;
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}
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static int rt1318_io_init(struct device *dev, struct sdw_slave *slave)
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{
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struct rt1318_sdw_priv *rt1318 = dev_get_drvdata(dev);
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if (rt1318->hw_init)
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return 0;
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if (rt1318->first_hw_init) {
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regcache_cache_only(rt1318->regmap, false);
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regcache_cache_bypass(rt1318->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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/* blind write */
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regmap_multi_reg_write(rt1318->regmap, rt1318_blind_write,
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ARRAY_SIZE(rt1318_blind_write));
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if (rt1318->first_hw_init) {
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regcache_cache_bypass(rt1318->regmap, false);
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regcache_mark_dirty(rt1318->regmap);
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}
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/* Mark Slave initialization complete */
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rt1318->first_hw_init = true;
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rt1318->hw_init = true;
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pm_runtime_mark_last_busy(&slave->dev);
|
|
pm_runtime_put_autosuspend(&slave->dev);
|
|
|
|
dev_dbg(&slave->dev, "%s hw_init complete\n", __func__);
|
|
return 0;
|
|
}
|
|
|
|
static int rt1318_update_status(struct sdw_slave *slave,
|
|
enum sdw_slave_status status)
|
|
{
|
|
struct rt1318_sdw_priv *rt1318 = dev_get_drvdata(&slave->dev);
|
|
|
|
/* Update the status */
|
|
rt1318->status = status;
|
|
|
|
if (status == SDW_SLAVE_UNATTACHED)
|
|
rt1318->hw_init = false;
|
|
|
|
/*
|
|
* Perform initialization only if slave status is present and
|
|
* hw_init flag is false
|
|
*/
|
|
if (rt1318->hw_init || rt1318->status != SDW_SLAVE_ATTACHED)
|
|
return 0;
|
|
|
|
/* perform I/O transfers required for Slave initialization */
|
|
return rt1318_io_init(&slave->dev, slave);
|
|
}
|
|
|
|
static int rt1318_classd_event(struct snd_soc_dapm_widget *w,
|
|
struct snd_kcontrol *kcontrol, int event)
|
|
{
|
|
struct snd_soc_component *component =
|
|
snd_soc_dapm_to_component(w->dapm);
|
|
struct rt1318_sdw_priv *rt1318 = snd_soc_component_get_drvdata(component);
|
|
unsigned char ps0 = 0x0, ps3 = 0x3;
|
|
|
|
switch (event) {
|
|
case SND_SOC_DAPM_POST_PMU:
|
|
regmap_write(rt1318->regmap,
|
|
SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1318_SDCA_ENT_PDE23,
|
|
RT1318_SDCA_CTL_REQ_POWER_STATE, 0),
|
|
ps0);
|
|
break;
|
|
case SND_SOC_DAPM_PRE_PMD:
|
|
regmap_write(rt1318->regmap,
|
|
SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1318_SDCA_ENT_PDE23,
|
|
RT1318_SDCA_CTL_REQ_POWER_STATE, 0),
|
|
ps3);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const char * const rt1318_rx_data_ch_select[] = {
|
|
"L,R",
|
|
"L,L",
|
|
"L,R",
|
|
"L,L+R",
|
|
"R,L",
|
|
"R,R",
|
|
"R,L+R",
|
|
"L+R,L",
|
|
"L+R,R",
|
|
"L+R,L+R",
|
|
};
|
|
|
|
static SOC_ENUM_SINGLE_DECL(rt1318_rx_data_ch_enum,
|
|
SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1318_SDCA_ENT_UDMPU21, RT1318_SDCA_CTL_UDMPU_CLUSTER, 0), 0,
|
|
rt1318_rx_data_ch_select);
|
|
|
|
static const struct snd_kcontrol_new rt1318_snd_controls[] = {
|
|
|
|
/* UDMPU Cluster Selection */
|
|
SOC_ENUM("RX Channel Select", rt1318_rx_data_ch_enum),
|
|
};
|
|
|
|
static const struct snd_kcontrol_new rt1318_sto_dac =
|
|
SOC_DAPM_DOUBLE_R("Switch",
|
|
SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1318_SDCA_ENT_FU21, RT1318_SDCA_CTL_FU_MUTE, CH_L),
|
|
SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1318_SDCA_ENT_FU21, RT1318_SDCA_CTL_FU_MUTE, CH_R),
|
|
0, 1, 1);
|
|
|
|
static const struct snd_soc_dapm_widget rt1318_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, &rt1318_sto_dac),
|
|
|
|
/* Output */
|
|
SND_SOC_DAPM_PGA_E("CLASS D", SND_SOC_NOPM, 0, 0, NULL, 0,
|
|
rt1318_classd_event, SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
|
|
SND_SOC_DAPM_OUTPUT("SPOL"),
|
|
SND_SOC_DAPM_OUTPUT("SPOR"),
|
|
/* Input */
|
|
SND_SOC_DAPM_PGA("FB Data", SND_SOC_NOPM, 0, 0, NULL, 0),
|
|
SND_SOC_DAPM_SIGGEN("FB Gen"),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route rt1318_dapm_routes[] = {
|
|
{ "DAC", "Switch", "DP1RX" },
|
|
{ "CLASS D", NULL, "DAC" },
|
|
{ "SPOL", NULL, "CLASS D" },
|
|
{ "SPOR", NULL, "CLASS D" },
|
|
|
|
{ "FB Data", NULL, "FB Gen" },
|
|
{ "DP2TX", NULL, "FB Data" },
|
|
};
|
|
|
|
static int rt1318_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 rt1318_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 rt1318_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 rt1318_sdw_priv *rt1318 =
|
|
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;
|
|
unsigned int sampling_rate;
|
|
|
|
dev_dbg(dai->dev, "%s %s", __func__, dai->name);
|
|
stream = snd_soc_dai_get_dma_data(dai, substream);
|
|
|
|
if (!stream)
|
|
return -EINVAL;
|
|
|
|
if (!rt1318->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(rt1318->sdw_slave, &stream_config,
|
|
&port_config, 1, stream->sdw_stream);
|
|
if (retval) {
|
|
dev_err(dai->dev, "Unable to configure port\n");
|
|
return retval;
|
|
}
|
|
|
|
/* sampling rate configuration */
|
|
switch (params_rate(params)) {
|
|
case 16000:
|
|
sampling_rate = RT1318_SDCA_RATE_16000HZ;
|
|
break;
|
|
case 32000:
|
|
sampling_rate = RT1318_SDCA_RATE_32000HZ;
|
|
break;
|
|
case 44100:
|
|
sampling_rate = RT1318_SDCA_RATE_44100HZ;
|
|
break;
|
|
case 48000:
|
|
sampling_rate = RT1318_SDCA_RATE_48000HZ;
|
|
break;
|
|
case 96000:
|
|
sampling_rate = RT1318_SDCA_RATE_96000HZ;
|
|
break;
|
|
case 192000:
|
|
sampling_rate = RT1318_SDCA_RATE_192000HZ;
|
|
break;
|
|
default:
|
|
dev_err(component->dev, "Rate %d is not supported\n",
|
|
params_rate(params));
|
|
return -EINVAL;
|
|
}
|
|
|
|
/* set sampling frequency */
|
|
regmap_write(rt1318->regmap,
|
|
SDW_SDCA_CTL(FUNC_NUM_SMART_AMP, RT1318_SDCA_ENT_CS21, RT1318_SDCA_CTL_SAMPLE_FREQ_INDEX, 0),
|
|
sampling_rate);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rt1318_sdw_pcm_hw_free(struct snd_pcm_substream *substream,
|
|
struct snd_soc_dai *dai)
|
|
{
|
|
struct snd_soc_component *component = dai->component;
|
|
struct rt1318_sdw_priv *rt1318 =
|
|
snd_soc_component_get_drvdata(component);
|
|
struct sdw_stream_data *stream =
|
|
snd_soc_dai_get_dma_data(dai, substream);
|
|
|
|
if (!rt1318->sdw_slave)
|
|
return -EINVAL;
|
|
|
|
sdw_stream_remove_slave(rt1318->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 const struct sdw_slave_ops rt1318_slave_ops = {
|
|
.read_prop = rt1318_read_prop,
|
|
.update_status = rt1318_update_status,
|
|
};
|
|
|
|
static int rt1318_sdw_component_probe(struct snd_soc_component *component)
|
|
{
|
|
int ret;
|
|
struct rt1318_sdw_priv *rt1318 = snd_soc_component_get_drvdata(component);
|
|
|
|
rt1318->component = component;
|
|
|
|
ret = pm_runtime_resume(component->dev);
|
|
dev_dbg(&rt1318->sdw_slave->dev, "%s pm_runtime_resume, ret=%d", __func__, ret);
|
|
if (ret < 0 && ret != -EACCES)
|
|
return ret;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_soc_component_driver soc_component_sdw_rt1318 = {
|
|
.probe = rt1318_sdw_component_probe,
|
|
.controls = rt1318_snd_controls,
|
|
.num_controls = ARRAY_SIZE(rt1318_snd_controls),
|
|
.dapm_widgets = rt1318_dapm_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(rt1318_dapm_widgets),
|
|
.dapm_routes = rt1318_dapm_routes,
|
|
.num_dapm_routes = ARRAY_SIZE(rt1318_dapm_routes),
|
|
.endianness = 1,
|
|
};
|
|
|
|
static const struct snd_soc_dai_ops rt1318_aif_dai_ops = {
|
|
.hw_params = rt1318_sdw_hw_params,
|
|
.hw_free = rt1318_sdw_pcm_hw_free,
|
|
.set_stream = rt1318_set_sdw_stream,
|
|
.shutdown = rt1318_sdw_shutdown,
|
|
};
|
|
|
|
#define RT1318_STEREO_RATES (SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
|
|
SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_192000)
|
|
#define RT1318_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE | \
|
|
SNDRV_PCM_FMTBIT_S32_LE)
|
|
|
|
static struct snd_soc_dai_driver rt1318_sdw_dai[] = {
|
|
{
|
|
.name = "rt1318-aif",
|
|
.playback = {
|
|
.stream_name = "DP1 Playback",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = RT1318_STEREO_RATES,
|
|
.formats = RT1318_FORMATS,
|
|
},
|
|
.capture = {
|
|
.stream_name = "DP2 Capture",
|
|
.channels_min = 1,
|
|
.channels_max = 2,
|
|
.rates = RT1318_STEREO_RATES,
|
|
.formats = RT1318_FORMATS,
|
|
},
|
|
.ops = &rt1318_aif_dai_ops,
|
|
},
|
|
};
|
|
|
|
static int rt1318_sdw_init(struct device *dev, struct regmap *regmap,
|
|
struct sdw_slave *slave)
|
|
{
|
|
struct rt1318_sdw_priv *rt1318;
|
|
int ret;
|
|
|
|
rt1318 = devm_kzalloc(dev, sizeof(*rt1318), GFP_KERNEL);
|
|
if (!rt1318)
|
|
return -ENOMEM;
|
|
|
|
dev_set_drvdata(dev, rt1318);
|
|
rt1318->sdw_slave = slave;
|
|
rt1318->regmap = regmap;
|
|
|
|
/*
|
|
* Mark hw_init to false
|
|
* HW init will be performed when device reports present
|
|
*/
|
|
rt1318->hw_init = false;
|
|
rt1318->first_hw_init = false;
|
|
|
|
ret = devm_snd_soc_register_component(dev,
|
|
&soc_component_sdw_rt1318,
|
|
rt1318_sdw_dai,
|
|
ARRAY_SIZE(rt1318_sdw_dai));
|
|
|
|
dev_dbg(&slave->dev, "%s\n", __func__);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static int rt1318_sdw_probe(struct sdw_slave *slave,
|
|
const struct sdw_device_id *id)
|
|
{
|
|
struct regmap *regmap;
|
|
|
|
/* Regmap Initialization */
|
|
regmap = devm_regmap_init_sdw(slave, &rt1318_sdw_regmap);
|
|
if (IS_ERR(regmap))
|
|
return PTR_ERR(regmap);
|
|
|
|
return rt1318_sdw_init(&slave->dev, regmap, slave);
|
|
}
|
|
|
|
static int rt1318_sdw_remove(struct sdw_slave *slave)
|
|
{
|
|
struct rt1318_sdw_priv *rt1318 = dev_get_drvdata(&slave->dev);
|
|
|
|
if (rt1318->first_hw_init)
|
|
pm_runtime_disable(&slave->dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct sdw_device_id rt1318_id[] = {
|
|
SDW_SLAVE_ENTRY_EXT(0x025d, 0x1318, 0x3, 0x1, 0),
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(sdw, rt1318_id);
|
|
|
|
static int __maybe_unused rt1318_dev_suspend(struct device *dev)
|
|
{
|
|
struct rt1318_sdw_priv *rt1318 = dev_get_drvdata(dev);
|
|
|
|
if (!rt1318->hw_init)
|
|
return 0;
|
|
|
|
regcache_cache_only(rt1318->regmap, true);
|
|
return 0;
|
|
}
|
|
|
|
#define RT1318_PROBE_TIMEOUT 5000
|
|
|
|
static int __maybe_unused rt1318_dev_resume(struct device *dev)
|
|
{
|
|
struct sdw_slave *slave = dev_to_sdw_dev(dev);
|
|
struct rt1318_sdw_priv *rt1318 = dev_get_drvdata(dev);
|
|
unsigned long time;
|
|
|
|
if (!rt1318->first_hw_init)
|
|
return 0;
|
|
|
|
if (!slave->unattach_request)
|
|
goto regmap_sync;
|
|
|
|
time = wait_for_completion_timeout(&slave->initialization_complete,
|
|
msecs_to_jiffies(RT1318_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(rt1318->regmap, false);
|
|
regcache_sync(rt1318->regmap);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct dev_pm_ops rt1318_pm = {
|
|
SET_SYSTEM_SLEEP_PM_OPS(rt1318_dev_suspend, rt1318_dev_resume)
|
|
SET_RUNTIME_PM_OPS(rt1318_dev_suspend, rt1318_dev_resume, NULL)
|
|
};
|
|
|
|
static struct sdw_driver rt1318_sdw_driver = {
|
|
.driver = {
|
|
.name = "rt1318-sdca",
|
|
.owner = THIS_MODULE,
|
|
.pm = &rt1318_pm,
|
|
},
|
|
.probe = rt1318_sdw_probe,
|
|
.remove = rt1318_sdw_remove,
|
|
.ops = &rt1318_slave_ops,
|
|
.id_table = rt1318_id,
|
|
};
|
|
module_sdw_driver(rt1318_sdw_driver);
|
|
|
|
MODULE_DESCRIPTION("ASoC RT1318 driver SDCA SDW");
|
|
MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>");
|
|
MODULE_LICENSE("GPL");
|