1148 lines
29 KiB
C
1148 lines
29 KiB
C
// SPDX-License-Identifier: GPL-2.0
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//
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// rt1015.c -- RT1015 ALSA SoC audio amplifier driver
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//
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// Copyright 2019 Realtek Semiconductor Corp.
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//
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// Author: Jack Yu <jack.yu@realtek.com>
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//
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//
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#include <linux/acpi.h>
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#include <linux/delay.h>
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#include <linux/firmware.h>
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#include <linux/fs.h>
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#include <linux/gpio.h>
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#include <linux/i2c.h>
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#include <linux/init.h>
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/platform_device.h>
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#include <linux/pm.h>
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#include <linux/regmap.h>
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#include <sound/core.h>
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#include <sound/initval.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/soc.h>
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#include <sound/tlv.h>
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#include <sound/rt1015.h>
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#include "rl6231.h"
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#include "rt1015.h"
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static const struct rt1015_platform_data i2s_default_platform_data = {
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.power_up_delay_ms = 50,
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};
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static const struct reg_default rt1015_reg[] = {
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{ 0x0000, 0x0000 },
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{ 0x0004, 0xa000 },
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{ 0x0006, 0x0003 },
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{ 0x000a, 0x081e },
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{ 0x000c, 0x0006 },
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{ 0x000e, 0x0000 },
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{ 0x0010, 0x0000 },
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{ 0x0012, 0x0000 },
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{ 0x0014, 0x0000 },
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{ 0x0016, 0x0000 },
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{ 0x0018, 0x0000 },
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{ 0x0020, 0x8000 },
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{ 0x0022, 0x8043 },
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{ 0x0076, 0x0000 },
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{ 0x0078, 0x0000 },
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{ 0x007a, 0x0002 },
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{ 0x007c, 0x10ec },
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{ 0x007d, 0x1015 },
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{ 0x00f0, 0x5000 },
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{ 0x00f2, 0x004c },
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{ 0x00f3, 0xecfe },
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{ 0x00f4, 0x0000 },
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{ 0x00f6, 0x0400 },
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{ 0x0100, 0x0028 },
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{ 0x0102, 0xff02 },
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{ 0x0104, 0xa213 },
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{ 0x0106, 0x200c },
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{ 0x010c, 0x0000 },
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{ 0x010e, 0x0058 },
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{ 0x0111, 0x0200 },
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{ 0x0112, 0x0400 },
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{ 0x0114, 0x0022 },
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{ 0x0116, 0x0000 },
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{ 0x0118, 0x0000 },
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{ 0x011a, 0x0123 },
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{ 0x011c, 0x4567 },
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{ 0x0300, 0x203d },
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{ 0x0302, 0x001e },
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{ 0x0311, 0x0000 },
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{ 0x0313, 0x6014 },
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{ 0x0314, 0x00a2 },
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{ 0x031a, 0x00a0 },
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{ 0x031c, 0x001f },
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{ 0x031d, 0xffff },
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{ 0x031e, 0x0000 },
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{ 0x031f, 0x0000 },
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{ 0x0320, 0x0000 },
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{ 0x0321, 0x0000 },
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{ 0x0322, 0xd7df },
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{ 0x0328, 0x10b2 },
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{ 0x0329, 0x0175 },
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{ 0x032a, 0x36ad },
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{ 0x032b, 0x7e55 },
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{ 0x032c, 0x0520 },
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{ 0x032d, 0xaa00 },
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{ 0x032e, 0x570e },
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{ 0x0330, 0xe180 },
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{ 0x0332, 0x0034 },
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{ 0x0334, 0x0001 },
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{ 0x0336, 0x0010 },
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{ 0x0338, 0x0000 },
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{ 0x04fa, 0x0030 },
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{ 0x04fc, 0x35c8 },
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{ 0x04fe, 0x0800 },
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{ 0x0500, 0x0400 },
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{ 0x0502, 0x1000 },
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{ 0x0504, 0x0000 },
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{ 0x0506, 0x04ff },
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{ 0x0508, 0x0010 },
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{ 0x050a, 0x001a },
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{ 0x0519, 0x1c68 },
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{ 0x051a, 0x0ccc },
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{ 0x051b, 0x0666 },
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{ 0x051d, 0x0000 },
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{ 0x051f, 0x0000 },
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{ 0x0536, 0x061c },
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{ 0x0538, 0x0000 },
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{ 0x053a, 0x0000 },
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{ 0x053c, 0x0000 },
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{ 0x053d, 0x0000 },
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{ 0x053e, 0x0000 },
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{ 0x053f, 0x0000 },
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{ 0x0540, 0x0000 },
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{ 0x0541, 0x0000 },
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{ 0x0542, 0x0000 },
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{ 0x0543, 0x0000 },
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{ 0x0544, 0x0000 },
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{ 0x0568, 0x0000 },
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{ 0x056a, 0x0000 },
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{ 0x1000, 0x0040 },
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{ 0x1002, 0x5405 },
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{ 0x1006, 0x5515 },
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{ 0x1007, 0x05f7 },
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{ 0x1009, 0x0b0a },
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{ 0x100a, 0x00ef },
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{ 0x100d, 0x0003 },
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{ 0x1010, 0xa433 },
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{ 0x1020, 0x0000 },
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{ 0x1200, 0x5a01 },
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{ 0x1202, 0x6524 },
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{ 0x1204, 0x1f00 },
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{ 0x1206, 0x0000 },
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{ 0x1208, 0x0000 },
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{ 0x120a, 0x0000 },
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{ 0x120c, 0x0000 },
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{ 0x120e, 0x0000 },
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{ 0x1210, 0x0000 },
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{ 0x1212, 0x0000 },
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{ 0x1300, 0x10a1 },
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{ 0x1302, 0x12ff },
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{ 0x1304, 0x0400 },
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{ 0x1305, 0x0844 },
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{ 0x1306, 0x4611 },
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{ 0x1308, 0x555e },
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{ 0x130a, 0x0000 },
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{ 0x130c, 0x2000 },
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{ 0x130e, 0x0100 },
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{ 0x130f, 0x0001 },
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{ 0x1310, 0x0000 },
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{ 0x1312, 0x0000 },
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{ 0x1314, 0x0000 },
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{ 0x1316, 0x0000 },
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{ 0x1318, 0x0000 },
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{ 0x131a, 0x0000 },
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{ 0x1322, 0x0029 },
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{ 0x1323, 0x4a52 },
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{ 0x1324, 0x002c },
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{ 0x1325, 0x0b02 },
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{ 0x1326, 0x002d },
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{ 0x1327, 0x6b5a },
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{ 0x1328, 0x002e },
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{ 0x1329, 0xcbb2 },
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{ 0x132a, 0x0030 },
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{ 0x132b, 0x2c0b },
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{ 0x1330, 0x0031 },
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{ 0x1331, 0x8c63 },
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{ 0x1332, 0x0032 },
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{ 0x1333, 0xecbb },
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{ 0x1334, 0x0034 },
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{ 0x1335, 0x4d13 },
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{ 0x1336, 0x0037 },
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{ 0x1337, 0x0dc3 },
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{ 0x1338, 0x003d },
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{ 0x1339, 0xef7b },
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{ 0x133a, 0x0044 },
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{ 0x133b, 0xd134 },
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{ 0x133c, 0x0047 },
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{ 0x133d, 0x91e4 },
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{ 0x133e, 0x004d },
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{ 0x133f, 0xc370 },
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{ 0x1340, 0x0053 },
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{ 0x1341, 0xf4fd },
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{ 0x1342, 0x0060 },
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{ 0x1343, 0x5816 },
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{ 0x1344, 0x006c },
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{ 0x1345, 0xbb2e },
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{ 0x1346, 0x0072 },
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{ 0x1347, 0xecbb },
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{ 0x1348, 0x0076 },
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{ 0x1349, 0x5d97 },
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};
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static bool rt1015_volatile_register(struct device *dev, unsigned int reg)
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{
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switch (reg) {
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case RT1015_RESET:
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case RT1015_CLK_DET:
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case RT1015_SIL_DET:
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case RT1015_VER_ID:
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case RT1015_VENDOR_ID:
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case RT1015_DEVICE_ID:
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case RT1015_PRO_ALT:
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case RT1015_DAC3:
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case RT1015_VBAT_TEST_OUT1:
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case RT1015_VBAT_TEST_OUT2:
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case RT1015_VBAT_PROT_ATT:
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case RT1015_VBAT_DET_CODE:
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case RT1015_SMART_BST_CTRL1:
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case RT1015_SPK_DC_DETECT1:
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case RT1015_SPK_DC_DETECT4:
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case RT1015_SPK_DC_DETECT5:
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case RT1015_DC_CALIB_CLSD1:
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case RT1015_DC_CALIB_CLSD5:
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case RT1015_DC_CALIB_CLSD6:
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case RT1015_DC_CALIB_CLSD7:
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case RT1015_DC_CALIB_CLSD8:
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case RT1015_S_BST_TIMING_INTER1:
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case RT1015_OSCK_STA:
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case RT1015_MONO_DYNA_CTRL1:
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case RT1015_MONO_DYNA_CTRL5:
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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 rt1015_readable_register(struct device *dev, unsigned int reg)
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{
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switch (reg) {
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case RT1015_RESET:
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case RT1015_CLK2:
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case RT1015_CLK3:
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case RT1015_PLL1:
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case RT1015_PLL2:
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case RT1015_DUM_RW1:
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case RT1015_DUM_RW2:
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case RT1015_DUM_RW3:
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case RT1015_DUM_RW4:
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case RT1015_DUM_RW5:
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case RT1015_DUM_RW6:
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case RT1015_CLK_DET:
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case RT1015_SIL_DET:
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case RT1015_CUSTOMER_ID:
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case RT1015_PCODE_FWVER:
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case RT1015_VER_ID:
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case RT1015_VENDOR_ID:
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case RT1015_DEVICE_ID:
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case RT1015_PAD_DRV1:
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case RT1015_PAD_DRV2:
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case RT1015_GAT_BOOST:
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case RT1015_PRO_ALT:
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case RT1015_OSCK_STA:
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case RT1015_MAN_I2C:
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case RT1015_DAC1:
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case RT1015_DAC2:
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case RT1015_DAC3:
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case RT1015_ADC1:
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case RT1015_ADC2:
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case RT1015_TDM_MASTER:
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case RT1015_TDM_TCON:
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case RT1015_TDM1_1:
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case RT1015_TDM1_2:
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case RT1015_TDM1_3:
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case RT1015_TDM1_4:
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case RT1015_TDM1_5:
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case RT1015_MIXER1:
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case RT1015_MIXER2:
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case RT1015_ANA_PROTECT1:
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case RT1015_ANA_CTRL_SEQ1:
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case RT1015_ANA_CTRL_SEQ2:
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case RT1015_VBAT_DET_DEB:
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case RT1015_VBAT_VOLT_DET1:
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case RT1015_VBAT_VOLT_DET2:
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case RT1015_VBAT_TEST_OUT1:
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case RT1015_VBAT_TEST_OUT2:
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case RT1015_VBAT_PROT_ATT:
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case RT1015_VBAT_DET_CODE:
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case RT1015_PWR1:
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case RT1015_PWR4:
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case RT1015_PWR5:
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case RT1015_PWR6:
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case RT1015_PWR7:
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case RT1015_PWR8:
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case RT1015_PWR9:
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case RT1015_CLASSD_SEQ:
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case RT1015_SMART_BST_CTRL1:
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case RT1015_SMART_BST_CTRL2:
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case RT1015_ANA_CTRL1:
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case RT1015_ANA_CTRL2:
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case RT1015_PWR_STATE_CTRL:
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case RT1015_MONO_DYNA_CTRL:
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case RT1015_MONO_DYNA_CTRL1:
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case RT1015_MONO_DYNA_CTRL2:
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case RT1015_MONO_DYNA_CTRL3:
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case RT1015_MONO_DYNA_CTRL4:
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case RT1015_MONO_DYNA_CTRL5:
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case RT1015_SPK_VOL:
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case RT1015_SHORT_DETTOP1:
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case RT1015_SHORT_DETTOP2:
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case RT1015_SPK_DC_DETECT1:
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case RT1015_SPK_DC_DETECT2:
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case RT1015_SPK_DC_DETECT3:
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case RT1015_SPK_DC_DETECT4:
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case RT1015_SPK_DC_DETECT5:
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case RT1015_BAT_RPO_STEP1:
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case RT1015_BAT_RPO_STEP2:
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case RT1015_BAT_RPO_STEP3:
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case RT1015_BAT_RPO_STEP4:
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case RT1015_BAT_RPO_STEP5:
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case RT1015_BAT_RPO_STEP6:
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case RT1015_BAT_RPO_STEP7:
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case RT1015_BAT_RPO_STEP8:
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case RT1015_BAT_RPO_STEP9:
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case RT1015_BAT_RPO_STEP10:
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case RT1015_BAT_RPO_STEP11:
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case RT1015_BAT_RPO_STEP12:
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case RT1015_SPREAD_SPEC1:
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case RT1015_SPREAD_SPEC2:
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case RT1015_PAD_STATUS:
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case RT1015_PADS_PULLING_CTRL1:
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case RT1015_PADS_DRIVING:
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case RT1015_SYS_RST1:
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case RT1015_SYS_RST2:
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case RT1015_SYS_GATING1:
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case RT1015_TEST_MODE1:
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case RT1015_TEST_MODE2:
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case RT1015_TIMING_CTRL1:
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case RT1015_PLL_INT:
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case RT1015_TEST_OUT1:
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case RT1015_DC_CALIB_CLSD1:
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case RT1015_DC_CALIB_CLSD2:
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case RT1015_DC_CALIB_CLSD3:
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case RT1015_DC_CALIB_CLSD4:
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case RT1015_DC_CALIB_CLSD5:
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case RT1015_DC_CALIB_CLSD6:
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case RT1015_DC_CALIB_CLSD7:
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case RT1015_DC_CALIB_CLSD8:
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case RT1015_DC_CALIB_CLSD9:
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case RT1015_DC_CALIB_CLSD10:
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case RT1015_CLSD_INTERNAL1:
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case RT1015_CLSD_INTERNAL2:
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case RT1015_CLSD_INTERNAL3:
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case RT1015_CLSD_INTERNAL4:
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case RT1015_CLSD_INTERNAL5:
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case RT1015_CLSD_INTERNAL6:
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case RT1015_CLSD_INTERNAL7:
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case RT1015_CLSD_INTERNAL8:
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case RT1015_CLSD_INTERNAL9:
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case RT1015_CLSD_OCP_CTRL:
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case RT1015_VREF_LV:
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case RT1015_MBIAS1:
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case RT1015_MBIAS2:
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case RT1015_MBIAS3:
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case RT1015_MBIAS4:
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case RT1015_VREF_LV1:
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case RT1015_S_BST_TIMING_INTER1:
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case RT1015_S_BST_TIMING_INTER2:
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case RT1015_S_BST_TIMING_INTER3:
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case RT1015_S_BST_TIMING_INTER4:
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case RT1015_S_BST_TIMING_INTER5:
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case RT1015_S_BST_TIMING_INTER6:
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case RT1015_S_BST_TIMING_INTER7:
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case RT1015_S_BST_TIMING_INTER8:
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case RT1015_S_BST_TIMING_INTER9:
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case RT1015_S_BST_TIMING_INTER10:
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case RT1015_S_BST_TIMING_INTER11:
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case RT1015_S_BST_TIMING_INTER12:
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case RT1015_S_BST_TIMING_INTER13:
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case RT1015_S_BST_TIMING_INTER14:
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case RT1015_S_BST_TIMING_INTER15:
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case RT1015_S_BST_TIMING_INTER16:
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case RT1015_S_BST_TIMING_INTER17:
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case RT1015_S_BST_TIMING_INTER18:
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case RT1015_S_BST_TIMING_INTER19:
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case RT1015_S_BST_TIMING_INTER20:
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case RT1015_S_BST_TIMING_INTER21:
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case RT1015_S_BST_TIMING_INTER22:
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case RT1015_S_BST_TIMING_INTER23:
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case RT1015_S_BST_TIMING_INTER24:
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case RT1015_S_BST_TIMING_INTER25:
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case RT1015_S_BST_TIMING_INTER26:
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case RT1015_S_BST_TIMING_INTER27:
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case RT1015_S_BST_TIMING_INTER28:
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case RT1015_S_BST_TIMING_INTER29:
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case RT1015_S_BST_TIMING_INTER30:
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case RT1015_S_BST_TIMING_INTER31:
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case RT1015_S_BST_TIMING_INTER32:
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case RT1015_S_BST_TIMING_INTER33:
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case RT1015_S_BST_TIMING_INTER34:
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case RT1015_S_BST_TIMING_INTER35:
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case RT1015_S_BST_TIMING_INTER36:
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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 DECLARE_TLV_DB_SCALE(dac_vol_tlv, -9525, 75, 0);
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static const char * const rt1015_din_source_select[] = {
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"Left",
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"Right",
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"Left + Right average",
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};
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static SOC_ENUM_SINGLE_DECL(rt1015_mono_lr_sel, RT1015_PAD_DRV2, 4,
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rt1015_din_source_select);
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static const char * const rt1015_boost_mode[] = {
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"Bypass", "Adaptive", "Fixed Adaptive"
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};
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static SOC_ENUM_SINGLE_DECL(rt1015_boost_mode_enum, 0, 0,
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rt1015_boost_mode);
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static int rt1015_boost_mode_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_component *component =
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snd_soc_kcontrol_component(kcontrol);
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struct rt1015_priv *rt1015 =
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snd_soc_component_get_drvdata(component);
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ucontrol->value.integer.value[0] = rt1015->boost_mode;
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return 0;
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}
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|
|
|
static int rt1015_boost_mode_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_soc_component *component =
|
|
snd_soc_kcontrol_component(kcontrol);
|
|
struct rt1015_priv *rt1015 =
|
|
snd_soc_component_get_drvdata(component);
|
|
|
|
rt1015->boost_mode = ucontrol->value.integer.value[0];
|
|
|
|
switch (rt1015->boost_mode) {
|
|
case BYPASS:
|
|
snd_soc_component_update_bits(component,
|
|
RT1015_SMART_BST_CTRL1, RT1015_ABST_AUTO_EN_MASK |
|
|
RT1015_ABST_FIX_TGT_MASK | RT1015_BYPASS_SWR_REG_MASK,
|
|
RT1015_ABST_REG_MODE | RT1015_ABST_FIX_TGT_DIS |
|
|
RT1015_BYPASS_SWRREG_BYPASS);
|
|
break;
|
|
case ADAPTIVE:
|
|
snd_soc_component_update_bits(component,
|
|
RT1015_SMART_BST_CTRL1, RT1015_ABST_AUTO_EN_MASK |
|
|
RT1015_ABST_FIX_TGT_MASK | RT1015_BYPASS_SWR_REG_MASK,
|
|
RT1015_ABST_AUTO_MODE | RT1015_ABST_FIX_TGT_DIS |
|
|
RT1015_BYPASS_SWRREG_PASS);
|
|
break;
|
|
case FIXED_ADAPTIVE:
|
|
snd_soc_component_update_bits(component,
|
|
RT1015_SMART_BST_CTRL1, RT1015_ABST_AUTO_EN_MASK |
|
|
RT1015_ABST_FIX_TGT_MASK | RT1015_BYPASS_SWR_REG_MASK,
|
|
RT1015_ABST_AUTO_MODE | RT1015_ABST_FIX_TGT_EN |
|
|
RT1015_BYPASS_SWRREG_PASS);
|
|
break;
|
|
default:
|
|
dev_err(component->dev, "Unknown boost control.\n");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rt1015_bypass_boost_get(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_soc_component *component =
|
|
snd_soc_kcontrol_component(kcontrol);
|
|
struct rt1015_priv *rt1015 =
|
|
snd_soc_component_get_drvdata(component);
|
|
|
|
ucontrol->value.integer.value[0] = rt1015->bypass_boost;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void rt1015_calibrate(struct rt1015_priv *rt1015)
|
|
{
|
|
struct snd_soc_component *component = rt1015->component;
|
|
struct regmap *regmap = rt1015->regmap;
|
|
|
|
snd_soc_dapm_mutex_lock(&component->dapm);
|
|
regcache_cache_bypass(regmap, true);
|
|
|
|
regmap_write(regmap, RT1015_PWR1, 0xd7df);
|
|
regmap_write(regmap, RT1015_PWR4, 0x00b2);
|
|
regmap_write(regmap, RT1015_CLSD_INTERNAL8, 0x2008);
|
|
regmap_write(regmap, RT1015_CLSD_INTERNAL9, 0x0140);
|
|
regmap_write(regmap, RT1015_GAT_BOOST, 0x0efe);
|
|
regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x000d);
|
|
regmap_write(regmap, RT1015_PWR_STATE_CTRL, 0x000e);
|
|
regmap_write(regmap, RT1015_DC_CALIB_CLSD1, 0x5a00);
|
|
regmap_write(regmap, RT1015_DC_CALIB_CLSD1, 0x5a01);
|
|
regmap_write(regmap, RT1015_DC_CALIB_CLSD1, 0x5a05);
|
|
msleep(500);
|
|
regmap_write(regmap, RT1015_PWR1, 0x0);
|
|
|
|
regcache_cache_bypass(regmap, false);
|
|
regcache_mark_dirty(regmap);
|
|
regcache_sync(regmap);
|
|
snd_soc_dapm_mutex_unlock(&component->dapm);
|
|
}
|
|
|
|
static int rt1015_bypass_boost_put(struct snd_kcontrol *kcontrol,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_soc_component *component =
|
|
snd_soc_kcontrol_component(kcontrol);
|
|
struct rt1015_priv *rt1015 =
|
|
snd_soc_component_get_drvdata(component);
|
|
|
|
if (!rt1015->dac_is_used) {
|
|
rt1015->bypass_boost = ucontrol->value.integer.value[0];
|
|
if (rt1015->bypass_boost == RT1015_Bypass_Boost &&
|
|
!rt1015->cali_done) {
|
|
rt1015_calibrate(rt1015);
|
|
rt1015->cali_done = 1;
|
|
|
|
regmap_write(rt1015->regmap, RT1015_MONO_DYNA_CTRL, 0x0010);
|
|
}
|
|
} else
|
|
dev_err(component->dev, "DAC is being used!\n");
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void rt1015_flush_work(struct work_struct *work)
|
|
{
|
|
struct rt1015_priv *rt1015 = container_of(work, struct rt1015_priv,
|
|
flush_work.work);
|
|
struct snd_soc_component *component = rt1015->component;
|
|
unsigned int val, i = 0, count = 200;
|
|
|
|
while (i < count) {
|
|
usleep_range(1000, 1500);
|
|
dev_dbg(component->dev, "Flush DAC (retry:%u)\n", i);
|
|
regmap_read(rt1015->regmap, RT1015_CLK_DET, &val);
|
|
if (val & 0x800)
|
|
break;
|
|
i++;
|
|
}
|
|
|
|
regmap_write(rt1015->regmap, RT1015_SYS_RST1, 0x0597);
|
|
regmap_write(rt1015->regmap, RT1015_SYS_RST1, 0x05f7);
|
|
regmap_write(rt1015->regmap, RT1015_MAN_I2C, 0x0028);
|
|
|
|
if (val & 0x800)
|
|
dev_dbg(component->dev, "Flush DAC completed.\n");
|
|
else
|
|
dev_warn(component->dev, "Fail to flush DAC data.\n");
|
|
}
|
|
|
|
static const struct snd_kcontrol_new rt1015_snd_controls[] = {
|
|
SOC_SINGLE_TLV("DAC Playback Volume", RT1015_DAC1, RT1015_DAC_VOL_SFT,
|
|
127, 0, dac_vol_tlv),
|
|
SOC_DOUBLE("DAC Playback Switch", RT1015_DAC3,
|
|
RT1015_DA_MUTE_SFT, RT1015_DVOL_MUTE_FLAG_SFT, 1, 1),
|
|
SOC_ENUM_EXT("Boost Mode", rt1015_boost_mode_enum,
|
|
rt1015_boost_mode_get, rt1015_boost_mode_put),
|
|
SOC_ENUM("Mono LR Select", rt1015_mono_lr_sel),
|
|
SOC_SINGLE_EXT("Bypass Boost", SND_SOC_NOPM, 0, 1, 0,
|
|
rt1015_bypass_boost_get, rt1015_bypass_boost_put),
|
|
};
|
|
|
|
static int rt1015_is_sys_clk_from_pll(struct snd_soc_dapm_widget *source,
|
|
struct snd_soc_dapm_widget *sink)
|
|
{
|
|
struct snd_soc_component *component =
|
|
snd_soc_dapm_to_component(source->dapm);
|
|
struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
|
|
|
|
if (rt1015->sysclk_src == RT1015_SCLK_S_PLL)
|
|
return 1;
|
|
else
|
|
return 0;
|
|
}
|
|
|
|
static int r1015_dac_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 rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
|
|
|
|
switch (event) {
|
|
case SND_SOC_DAPM_PRE_PMU:
|
|
rt1015->dac_is_used = 1;
|
|
if (rt1015->bypass_boost == RT1015_Enable_Boost) {
|
|
snd_soc_component_write(component,
|
|
RT1015_SYS_RST1, 0x05f7);
|
|
snd_soc_component_write(component,
|
|
RT1015_GAT_BOOST, 0xacfe);
|
|
snd_soc_component_write(component,
|
|
RT1015_PWR9, 0xaa00);
|
|
snd_soc_component_write(component,
|
|
RT1015_GAT_BOOST, 0xecfe);
|
|
} else {
|
|
snd_soc_component_write(component,
|
|
RT1015_SYS_RST1, 0x05f7);
|
|
snd_soc_component_write(component,
|
|
RT1015_PWR_STATE_CTRL, 0x026e);
|
|
}
|
|
break;
|
|
|
|
case SND_SOC_DAPM_POST_PMU:
|
|
regmap_write(rt1015->regmap, RT1015_MAN_I2C, 0x00a8);
|
|
break;
|
|
|
|
case SND_SOC_DAPM_POST_PMD:
|
|
if (rt1015->bypass_boost == RT1015_Enable_Boost) {
|
|
snd_soc_component_write(component,
|
|
RT1015_PWR9, 0xa800);
|
|
snd_soc_component_write(component,
|
|
RT1015_SYS_RST1, 0x05f5);
|
|
} else {
|
|
snd_soc_component_write(component,
|
|
RT1015_PWR_STATE_CTRL, 0x0268);
|
|
snd_soc_component_write(component,
|
|
RT1015_SYS_RST1, 0x05f5);
|
|
}
|
|
rt1015->dac_is_used = 0;
|
|
|
|
cancel_delayed_work_sync(&rt1015->flush_work);
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int rt1015_amp_drv_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 rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
|
|
|
|
switch (event) {
|
|
case SND_SOC_DAPM_POST_PMU:
|
|
if (rt1015->hw_config == RT1015_HW_28)
|
|
schedule_delayed_work(&rt1015->flush_work, msecs_to_jiffies(10));
|
|
msleep(rt1015->pdata.power_up_delay_ms);
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static const struct snd_soc_dapm_widget rt1015_dapm_widgets[] = {
|
|
SND_SOC_DAPM_SUPPLY("LDO2", RT1015_PWR1, RT1015_PWR_LDO2_BIT, 0,
|
|
NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("INT RC CLK", RT1015_PWR1, RT1015_PWR_INTCLK_BIT,
|
|
0, NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("ISENSE", RT1015_PWR1, RT1015_PWR_ISENSE_BIT, 0,
|
|
NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("VSENSE", RT1015_PWR1, RT1015_PWR_VSENSE_BIT, 0,
|
|
NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("PLL", RT1015_PWR1, RT1015_PWR_PLL_BIT, 0,
|
|
NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("BG1 BG2", RT1015_PWR1, RT1015_PWR_BG_1_2_BIT, 0,
|
|
NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("MBIAS BG", RT1015_PWR1, RT1015_PWR_MBIAS_BG_BIT, 0,
|
|
NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("VBAT", RT1015_PWR1, RT1015_PWR_VBAT_BIT, 0, NULL,
|
|
0),
|
|
SND_SOC_DAPM_SUPPLY("MBIAS", RT1015_PWR1, RT1015_PWR_MBIAS_BIT, 0,
|
|
NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("ADCV", RT1015_PWR1, RT1015_PWR_ADCV_BIT, 0, NULL,
|
|
0),
|
|
SND_SOC_DAPM_SUPPLY("MIXERV", RT1015_PWR1, RT1015_PWR_MIXERV_BIT, 0,
|
|
NULL, 0),
|
|
SND_SOC_DAPM_SUPPLY("SUMV", RT1015_PWR1, RT1015_PWR_SUMV_BIT, 0, NULL,
|
|
0),
|
|
SND_SOC_DAPM_SUPPLY("VREFLV", RT1015_PWR1, RT1015_PWR_VREFLV_BIT, 0,
|
|
NULL, 0),
|
|
|
|
SND_SOC_DAPM_AIF_IN("AIFRX", "AIF Playback", 0, SND_SOC_NOPM, 0, 0),
|
|
SND_SOC_DAPM_DAC_E("DAC", NULL, RT1015_PWR1, RT1015_PWR_DAC_BIT, 0,
|
|
r1015_dac_event, SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU |
|
|
SND_SOC_DAPM_POST_PMD),
|
|
|
|
SND_SOC_DAPM_OUT_DRV_E("Amp Drv", SND_SOC_NOPM, 0, 0, NULL, 0,
|
|
rt1015_amp_drv_event, SND_SOC_DAPM_POST_PMU),
|
|
SND_SOC_DAPM_OUTPUT("SPO"),
|
|
};
|
|
|
|
static const struct snd_soc_dapm_route rt1015_dapm_routes[] = {
|
|
{ "DAC", NULL, "AIFRX" },
|
|
{ "DAC", NULL, "LDO2" },
|
|
{ "DAC", NULL, "PLL", rt1015_is_sys_clk_from_pll},
|
|
{ "DAC", NULL, "INT RC CLK" },
|
|
{ "DAC", NULL, "ISENSE" },
|
|
{ "DAC", NULL, "VSENSE" },
|
|
{ "DAC", NULL, "BG1 BG2" },
|
|
{ "DAC", NULL, "MBIAS BG" },
|
|
{ "DAC", NULL, "VBAT" },
|
|
{ "DAC", NULL, "MBIAS" },
|
|
{ "DAC", NULL, "ADCV" },
|
|
{ "DAC", NULL, "MIXERV" },
|
|
{ "DAC", NULL, "SUMV" },
|
|
{ "DAC", NULL, "VREFLV" },
|
|
{ "Amp Drv", NULL, "DAC" },
|
|
{ "SPO", NULL, "Amp Drv" },
|
|
};
|
|
|
|
static int rt1015_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 rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
|
|
int pre_div, bclk_ms, frame_size;
|
|
unsigned int val_len = 0;
|
|
|
|
rt1015->lrck = params_rate(params);
|
|
pre_div = rl6231_get_clk_info(rt1015->sysclk, rt1015->lrck);
|
|
if (pre_div < 0) {
|
|
dev_err(component->dev, "Unsupported clock rate\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
frame_size = snd_soc_params_to_frame_size(params);
|
|
if (frame_size < 0) {
|
|
dev_err(component->dev, "Unsupported frame size: %d\n",
|
|
frame_size);
|
|
return -EINVAL;
|
|
}
|
|
|
|
bclk_ms = frame_size > 32;
|
|
rt1015->bclk = rt1015->lrck * (32 << bclk_ms);
|
|
|
|
dev_dbg(component->dev, "bclk_ms is %d and pre_div is %d for iis %d\n",
|
|
bclk_ms, pre_div, dai->id);
|
|
|
|
dev_dbg(component->dev, "lrck is %dHz and pre_div is %d for iis %d\n",
|
|
rt1015->lrck, pre_div, dai->id);
|
|
|
|
switch (params_width(params)) {
|
|
case 16:
|
|
break;
|
|
case 20:
|
|
val_len = RT1015_I2S_DL_20;
|
|
break;
|
|
case 24:
|
|
val_len = RT1015_I2S_DL_24;
|
|
break;
|
|
case 8:
|
|
val_len = RT1015_I2S_DL_8;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
snd_soc_component_update_bits(component, RT1015_TDM_MASTER,
|
|
RT1015_I2S_DL_MASK, val_len);
|
|
snd_soc_component_update_bits(component, RT1015_CLK2,
|
|
RT1015_FS_PD_MASK, pre_div << RT1015_FS_PD_SFT);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rt1015_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
|
|
{
|
|
struct snd_soc_component *component = dai->component;
|
|
unsigned int reg_val = 0, reg_val2 = 0;
|
|
|
|
switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
|
|
case SND_SOC_DAIFMT_CBM_CFM:
|
|
reg_val |= RT1015_TCON_TDM_MS_M;
|
|
break;
|
|
case SND_SOC_DAIFMT_CBS_CFS:
|
|
reg_val |= RT1015_TCON_TDM_MS_S;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
|
|
case SND_SOC_DAIFMT_NB_NF:
|
|
break;
|
|
case SND_SOC_DAIFMT_IB_NF:
|
|
reg_val2 |= RT1015_TDM_INV_BCLK;
|
|
break;
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
|
|
case SND_SOC_DAIFMT_I2S:
|
|
break;
|
|
|
|
case SND_SOC_DAIFMT_LEFT_J:
|
|
reg_val |= RT1015_I2S_M_DF_LEFT;
|
|
break;
|
|
|
|
case SND_SOC_DAIFMT_DSP_A:
|
|
reg_val |= RT1015_I2S_M_DF_PCM_A;
|
|
break;
|
|
|
|
case SND_SOC_DAIFMT_DSP_B:
|
|
reg_val |= RT1015_I2S_M_DF_PCM_B;
|
|
break;
|
|
|
|
default:
|
|
return -EINVAL;
|
|
}
|
|
|
|
snd_soc_component_update_bits(component, RT1015_TDM_MASTER,
|
|
RT1015_TCON_TDM_MS_MASK | RT1015_I2S_M_DF_MASK,
|
|
reg_val);
|
|
snd_soc_component_update_bits(component, RT1015_TDM1_1,
|
|
RT1015_TDM_INV_BCLK_MASK, reg_val2);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rt1015_set_component_sysclk(struct snd_soc_component *component,
|
|
int clk_id, int source, unsigned int freq, int dir)
|
|
{
|
|
struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
|
|
unsigned int reg_val = 0;
|
|
|
|
if (freq == rt1015->sysclk && clk_id == rt1015->sysclk_src)
|
|
return 0;
|
|
|
|
switch (clk_id) {
|
|
case RT1015_SCLK_S_MCLK:
|
|
reg_val |= RT1015_CLK_SYS_PRE_SEL_MCLK;
|
|
break;
|
|
|
|
case RT1015_SCLK_S_PLL:
|
|
reg_val |= RT1015_CLK_SYS_PRE_SEL_PLL;
|
|
break;
|
|
|
|
default:
|
|
dev_err(component->dev, "Invalid clock id (%d)\n", clk_id);
|
|
return -EINVAL;
|
|
}
|
|
|
|
rt1015->sysclk = freq;
|
|
rt1015->sysclk_src = clk_id;
|
|
|
|
dev_dbg(component->dev, "Sysclk is %dHz and clock id is %d\n",
|
|
freq, clk_id);
|
|
|
|
snd_soc_component_update_bits(component, RT1015_CLK2,
|
|
RT1015_CLK_SYS_PRE_SEL_MASK, reg_val);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rt1015_set_component_pll(struct snd_soc_component *component,
|
|
int pll_id, int source, unsigned int freq_in,
|
|
unsigned int freq_out)
|
|
{
|
|
struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
|
|
struct rl6231_pll_code pll_code;
|
|
int ret;
|
|
|
|
if (!freq_in || !freq_out) {
|
|
dev_dbg(component->dev, "PLL disabled\n");
|
|
|
|
rt1015->pll_in = 0;
|
|
rt1015->pll_out = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
if (source == rt1015->pll_src && freq_in == rt1015->pll_in &&
|
|
freq_out == rt1015->pll_out)
|
|
return 0;
|
|
|
|
if (source == RT1015_PLL_S_BCLK) {
|
|
if (rt1015->bclk_ratio == 0) {
|
|
dev_err(component->dev,
|
|
"Can not support bclk ratio as 0.\n");
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
switch (source) {
|
|
case RT1015_PLL_S_MCLK:
|
|
snd_soc_component_update_bits(component, RT1015_CLK2,
|
|
RT1015_PLL_SEL_MASK, RT1015_PLL_SEL_PLL_SRC2);
|
|
break;
|
|
|
|
case RT1015_PLL_S_BCLK:
|
|
snd_soc_component_update_bits(component, RT1015_CLK2,
|
|
RT1015_PLL_SEL_MASK, RT1015_PLL_SEL_BCLK);
|
|
break;
|
|
|
|
default:
|
|
dev_err(component->dev, "Unknown PLL Source %d\n", source);
|
|
return -EINVAL;
|
|
}
|
|
|
|
ret = rl6231_pll_calc(freq_in, freq_out, &pll_code);
|
|
if (ret < 0) {
|
|
dev_err(component->dev, "Unsupport input clock %d\n", freq_in);
|
|
return ret;
|
|
}
|
|
|
|
dev_dbg(component->dev, "bypass=%d m=%d n=%d k=%d\n",
|
|
pll_code.m_bp, (pll_code.m_bp ? 0 : pll_code.m_code),
|
|
pll_code.n_code, pll_code.k_code);
|
|
|
|
snd_soc_component_write(component, RT1015_PLL1,
|
|
(pll_code.m_bp ? 0 : pll_code.m_code) << RT1015_PLL_M_SFT |
|
|
pll_code.m_bp << RT1015_PLL_M_BP_SFT | pll_code.n_code);
|
|
snd_soc_component_write(component, RT1015_PLL2,
|
|
pll_code.k_code);
|
|
|
|
rt1015->pll_in = freq_in;
|
|
rt1015->pll_out = freq_out;
|
|
rt1015->pll_src = source;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rt1015_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
|
|
{
|
|
struct snd_soc_component *component = dai->component;
|
|
struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
|
|
|
|
dev_dbg(component->dev, "%s ratio=%d\n", __func__, ratio);
|
|
|
|
rt1015->bclk_ratio = ratio;
|
|
|
|
if (ratio == 50) {
|
|
dev_dbg(component->dev, "Unsupport bclk ratio\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rt1015_probe(struct snd_soc_component *component)
|
|
{
|
|
struct rt1015_priv *rt1015 =
|
|
snd_soc_component_get_drvdata(component);
|
|
|
|
rt1015->component = component;
|
|
rt1015->bclk_ratio = 0;
|
|
rt1015->cali_done = 0;
|
|
snd_soc_component_write(component, RT1015_BAT_RPO_STEP1, 0x061c);
|
|
|
|
INIT_DELAYED_WORK(&rt1015->flush_work, rt1015_flush_work);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void rt1015_remove(struct snd_soc_component *component)
|
|
{
|
|
struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
|
|
|
|
cancel_delayed_work_sync(&rt1015->flush_work);
|
|
regmap_write(rt1015->regmap, RT1015_RESET, 0);
|
|
}
|
|
|
|
#define RT1015_STEREO_RATES SNDRV_PCM_RATE_8000_192000
|
|
#define RT1015_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
|
|
SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
|
|
|
|
static struct snd_soc_dai_ops rt1015_aif_dai_ops = {
|
|
.hw_params = rt1015_hw_params,
|
|
.set_fmt = rt1015_set_dai_fmt,
|
|
.set_bclk_ratio = rt1015_set_bclk_ratio,
|
|
};
|
|
|
|
static struct snd_soc_dai_driver rt1015_dai[] = {
|
|
{
|
|
.name = "rt1015-aif",
|
|
.id = 0,
|
|
.playback = {
|
|
.stream_name = "AIF Playback",
|
|
.channels_min = 1,
|
|
.channels_max = 4,
|
|
.rates = RT1015_STEREO_RATES,
|
|
.formats = RT1015_FORMATS,
|
|
},
|
|
.ops = &rt1015_aif_dai_ops,
|
|
}
|
|
};
|
|
|
|
#ifdef CONFIG_PM
|
|
static int rt1015_suspend(struct snd_soc_component *component)
|
|
{
|
|
struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
|
|
|
|
regcache_cache_only(rt1015->regmap, true);
|
|
regcache_mark_dirty(rt1015->regmap);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int rt1015_resume(struct snd_soc_component *component)
|
|
{
|
|
struct rt1015_priv *rt1015 = snd_soc_component_get_drvdata(component);
|
|
|
|
regcache_cache_only(rt1015->regmap, false);
|
|
regcache_sync(rt1015->regmap);
|
|
return 0;
|
|
}
|
|
#else
|
|
#define rt1015_suspend NULL
|
|
#define rt1015_resume NULL
|
|
#endif
|
|
|
|
static const struct snd_soc_component_driver soc_component_dev_rt1015 = {
|
|
.probe = rt1015_probe,
|
|
.remove = rt1015_remove,
|
|
.suspend = rt1015_suspend,
|
|
.resume = rt1015_resume,
|
|
.controls = rt1015_snd_controls,
|
|
.num_controls = ARRAY_SIZE(rt1015_snd_controls),
|
|
.dapm_widgets = rt1015_dapm_widgets,
|
|
.num_dapm_widgets = ARRAY_SIZE(rt1015_dapm_widgets),
|
|
.dapm_routes = rt1015_dapm_routes,
|
|
.num_dapm_routes = ARRAY_SIZE(rt1015_dapm_routes),
|
|
.set_sysclk = rt1015_set_component_sysclk,
|
|
.set_pll = rt1015_set_component_pll,
|
|
.use_pmdown_time = 1,
|
|
.endianness = 1,
|
|
.non_legacy_dai_naming = 1,
|
|
};
|
|
|
|
static const struct regmap_config rt1015_regmap = {
|
|
.reg_bits = 16,
|
|
.val_bits = 16,
|
|
.max_register = RT1015_S_BST_TIMING_INTER36,
|
|
.volatile_reg = rt1015_volatile_register,
|
|
.readable_reg = rt1015_readable_register,
|
|
.cache_type = REGCACHE_RBTREE,
|
|
.reg_defaults = rt1015_reg,
|
|
.num_reg_defaults = ARRAY_SIZE(rt1015_reg),
|
|
};
|
|
|
|
static const struct i2c_device_id rt1015_i2c_id[] = {
|
|
{ "rt1015", 0 },
|
|
{ }
|
|
};
|
|
MODULE_DEVICE_TABLE(i2c, rt1015_i2c_id);
|
|
|
|
#if defined(CONFIG_OF)
|
|
static const struct of_device_id rt1015_of_match[] = {
|
|
{ .compatible = "realtek,rt1015", },
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(of, rt1015_of_match);
|
|
#endif
|
|
|
|
#ifdef CONFIG_ACPI
|
|
static struct acpi_device_id rt1015_acpi_match[] = {
|
|
{"10EC1015", 0,},
|
|
{},
|
|
};
|
|
MODULE_DEVICE_TABLE(acpi, rt1015_acpi_match);
|
|
#endif
|
|
|
|
static void rt1015_parse_dt(struct rt1015_priv *rt1015, struct device *dev)
|
|
{
|
|
device_property_read_u32(dev, "realtek,power-up-delay-ms",
|
|
&rt1015->pdata.power_up_delay_ms);
|
|
}
|
|
|
|
static int rt1015_i2c_probe(struct i2c_client *i2c,
|
|
const struct i2c_device_id *id)
|
|
{
|
|
struct rt1015_platform_data *pdata = dev_get_platdata(&i2c->dev);
|
|
struct rt1015_priv *rt1015;
|
|
int ret;
|
|
unsigned int val;
|
|
|
|
rt1015 = devm_kzalloc(&i2c->dev, sizeof(struct rt1015_priv),
|
|
GFP_KERNEL);
|
|
if (rt1015 == NULL)
|
|
return -ENOMEM;
|
|
|
|
i2c_set_clientdata(i2c, rt1015);
|
|
|
|
rt1015->pdata = i2s_default_platform_data;
|
|
|
|
if (pdata)
|
|
rt1015->pdata = *pdata;
|
|
else
|
|
rt1015_parse_dt(rt1015, &i2c->dev);
|
|
|
|
rt1015->regmap = devm_regmap_init_i2c(i2c, &rt1015_regmap);
|
|
if (IS_ERR(rt1015->regmap)) {
|
|
ret = PTR_ERR(rt1015->regmap);
|
|
dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
|
|
ret);
|
|
return ret;
|
|
}
|
|
|
|
rt1015->hw_config = (i2c->addr == 0x29) ? RT1015_HW_29 : RT1015_HW_28;
|
|
|
|
regmap_read(rt1015->regmap, RT1015_DEVICE_ID, &val);
|
|
if ((val != RT1015_DEVICE_ID_VAL) && (val != RT1015_DEVICE_ID_VAL2)) {
|
|
dev_err(&i2c->dev,
|
|
"Device with ID register %x is not rt1015\n", val);
|
|
return -ENODEV;
|
|
}
|
|
|
|
return devm_snd_soc_register_component(&i2c->dev,
|
|
&soc_component_dev_rt1015,
|
|
rt1015_dai, ARRAY_SIZE(rt1015_dai));
|
|
}
|
|
|
|
static void rt1015_i2c_shutdown(struct i2c_client *client)
|
|
{
|
|
struct rt1015_priv *rt1015 = i2c_get_clientdata(client);
|
|
|
|
regmap_write(rt1015->regmap, RT1015_RESET, 0);
|
|
}
|
|
|
|
static struct i2c_driver rt1015_i2c_driver = {
|
|
.driver = {
|
|
.name = "rt1015",
|
|
.of_match_table = of_match_ptr(rt1015_of_match),
|
|
.acpi_match_table = ACPI_PTR(rt1015_acpi_match),
|
|
},
|
|
.probe = rt1015_i2c_probe,
|
|
.shutdown = rt1015_i2c_shutdown,
|
|
.id_table = rt1015_i2c_id,
|
|
};
|
|
module_i2c_driver(rt1015_i2c_driver);
|
|
|
|
MODULE_DESCRIPTION("ASoC RT1015 driver");
|
|
MODULE_AUTHOR("Jack Yu <jack.yu@realtek.com>");
|
|
MODULE_LICENSE("GPL v2");
|