drivers/mfd/cs47l90-tables.c

Source file repositories/reference/linux-study-clean/drivers/mfd/cs47l90-tables.c

File Facts

System
Linux kernel
Corpus path
drivers/mfd/cs47l90-tables.c
Extension
.c
Size
131733 bytes
Lines
2597
Domain
Driver Families
Bucket
drivers/mfd
Inferred role
Driver Families: exported/initcall integration point
Status
integration implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

// SPDX-License-Identifier: GPL-2.0-only
/*
 * Regmap tables for CS47L90 codec
 *
 * Copyright (C) 2015-2017 Cirrus Logic
 */

#include <linux/device.h>
#include <linux/module.h>
#include <linux/regmap.h>

#include <linux/mfd/madera/core.h>
#include <linux/mfd/madera/registers.h>

#include "madera.h"

static const struct reg_sequence cs47l90_reva_16_patch[] = {
	{ 0x8A,   0x5555 },
	{ 0x8A,   0xAAAA },
	{ 0x4CF,  0x0700 },
	{ 0x171,  0x0003 },
	{ 0x101,  0x0444 },
	{ 0x159,  0x0002 },
	{ 0x120,  0x0444 },
	{ 0x1D1,  0x0004 },
	{ 0x1E0,  0xC084 },
	{ 0x159,  0x0000 },
	{ 0x120,  0x0404 },
	{ 0x101,  0x0404 },
	{ 0x171,  0x0002 },
	{ 0x17A,  0x2906 },
	{ 0x19A,  0x2906 },
	{ 0x441,  0xC750 },
	{ 0x340,  0x0001 },
	{ 0x112,  0x0405 },
	{ 0x124,  0x0C49 },
	{ 0x1300, 0x050E },
	{ 0x1302, 0x0101 },
	{ 0x1380, 0x0425 },
	{ 0x1381, 0xF6D8 },
	{ 0x1382, 0x0632 },
	{ 0x1383, 0xFEC8 },
	{ 0x1390, 0x042F },
	{ 0x1391, 0xF6CA },
	{ 0x1392, 0x0637 },
	{ 0x1393, 0xFEC8 },
	{ 0x281,  0x0000 },
	{ 0x282,  0x0000 },
	{ 0x4EA,  0x0100 },
	{ 0x8A,   0xCCCC },
	{ 0x8A,   0x3333 },
};

int cs47l90_patch(struct madera *madera)
{
	int ret;

	ret = regmap_register_patch(madera->regmap,
				    cs47l90_reva_16_patch,
				    ARRAY_SIZE(cs47l90_reva_16_patch));
	if (ret < 0) {
		dev_err(madera->dev,
			"Error in applying 16-bit patch: %d\n", ret);
		return ret;
	}

	return 0;
}
EXPORT_SYMBOL_GPL(cs47l90_patch);

static const struct reg_default cs47l90_reg_default[] = {
	{ 0x00000020, 0x0000 }, /* R32 (0x20) - Tone Generator 1 */
	{ 0x00000021, 0x1000 }, /* R33 (0x21) - Tone Generator 2 */
	{ 0x00000022, 0x0000 }, /* R34 (0x22) - Tone Generator 3 */
	{ 0x00000023, 0x1000 }, /* R35 (0x23) - Tone Generator 4 */
	{ 0x00000024, 0x0000 }, /* R36 (0x24) - Tone Generator 5 */
	{ 0x00000030, 0x0000 }, /* R48 (0x30) - PWM Drive 1 */
	{ 0x00000031, 0x0100 }, /* R49 (0x31) - PWM Drive 2 */
	{ 0x00000032, 0x0100 }, /* R50 (0x32) - PWM Drive 3 */
	{ 0x00000061, 0x01ff }, /* R97 (0x61) - Sample Rate Sequence Select 1 */
	{ 0x00000062, 0x01ff }, /* R98 (0x62) - Sample Rate Sequence Select 2 */
	{ 0x00000063, 0x01ff }, /* R99 (0x63) - Sample Rate Sequence Select 3 */
	{ 0x00000064, 0x01ff }, /* R100 (0x64) - Sample Rate Sequence Select 4 */
	{ 0x00000066, 0x01ff }, /* R102 (0x66) - Always On Triggers Sequence Select 1 */
	{ 0x00000067, 0x01ff }, /* R103 (0x67) - Always On Triggers Sequence Select 2 */
	{ 0x00000090, 0x0000 }, /* R144 (0x90) - Haptics Control 1 */
	{ 0x00000091, 0x7fff }, /* R145 (0x91) - Haptics Control 2 */
	{ 0x00000092, 0x0000 }, /* R146 (0x92) - Haptics phase 1 intensity */
	{ 0x00000093, 0x0000 }, /* R147 (0x93) - Haptics phase 1 duration */
	{ 0x00000094, 0x0000 }, /* R148 (0x94) - Haptics phase 2 intensity */

Annotation

Implementation Notes