ASoC: Delete UDA134x/L3 audio codec

This codec was used by the deleted S3C board
sound/soc/samsung/s3c24xx_uda134x.c.

Fixes: 503278c1 ("ASoC: samsung: remove unused drivers")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20230822-delete-l3-v2-1-b3ffc07348af@linaro.orgSigned-off-by: Mark Brown <broonie@kernel.org>

include/sound/l3.h

-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _L3_H_
-#define _L3_H_ 1
-
-struct l3_pins {
-	void (*setdat)(struct l3_pins *, int);
-	void (*setclk)(struct l3_pins *, int);
-	void (*setmode)(struct l3_pins *, int);
-
-	int gpio_data;
-	int gpio_clk;
-	int gpio_mode;
-	int use_gpios;
-
-	int data_hold;
-	int data_setup;
-	int clock_high;
-	int mode_hold;
-	int mode;
-	int mode_setup;
-};
-
-struct device;
-
-int l3_write(struct l3_pins *adap, u8 addr, u8 *data, int len);
-int l3_set_gpio_ops(struct device *dev, struct l3_pins *adap);
-
-#endif

include/sound/uda134x.h

-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * uda134x.h  --  UDA134x ALSA SoC Codec driver
- *
- * Copyright 2007 Dension Audio Systems Ltd.
- * Author: Zoltan Devai
- */
-
-#ifndef _UDA134X_H
-#define _UDA134X_H
-
-#include <sound/l3.h>
-
-struct uda134x_platform_data {
-	struct l3_pins l3;
-	void (*power) (int);
-	int model;
-#define UDA134X_UDA1340 1
-#define UDA134X_UDA1341 2
-#define UDA134X_UDA1344 3
-#define UDA134X_UDA1345 4
-};
-
-#endif /* _UDA134X_H */

sound/soc/codecs/Kconfig

@@ -15,7 +15,6 @@ config SND_SOC_ALL_CODECS
 	tristate "Build all ASoC CODEC drivers"
 	depends on COMPILE_TEST
 	imply SND_SOC_88PM860X
-	imply SND_SOC_L3
 	imply SND_SOC_AB8500_CODEC
 	imply SND_SOC_AC97_CODEC
 	imply SND_SOC_AD1836
@@ -270,7 +269,6 @@ config SND_SOC_ALL_CODECS
 	imply SND_SOC_TWL4030
 	imply SND_SOC_TWL6040
 	imply SND_SOC_UDA1334
-	imply SND_SOC_UDA134X
 	imply SND_SOC_UDA1380
 	imply SND_SOC_WCD9335
 	imply SND_SOC_WCD934X
@@ -1010,9 +1008,6 @@ config SND_SOC_JZ4770_CODEC
 	  This driver can also be built as a module. If so, the module
 	  will be called snd-soc-jz4770-codec.
 
-config SND_SOC_L3
-	tristate
-
 config SND_SOC_DA7210
 	tristate
 	depends on SND_SOC_I2C_AND_SPI
@@ -1969,9 +1964,6 @@ config SND_SOC_UDA1334
 	  and has basic features such as de-emphasis (at 44.1 kHz sampling
 	  rate) and mute.
 
-config SND_SOC_UDA134X
-	tristate
-
 config SND_SOC_UDA1380
 	tristate
 	depends on I2C

sound/soc/codecs/Makefile

@@ -131,7 +131,6 @@ snd-soc-jz4740-codec-objs := jz4740.o
 snd-soc-jz4725b-codec-objs := jz4725b.o
 snd-soc-jz4760-codec-objs := jz4760.o
 snd-soc-jz4770-codec-objs := jz4770.o
-snd-soc-l3-objs := l3.o
 snd-soc-lm4857-objs := lm4857.o
 snd-soc-lm49453-objs := lm49453.o
 snd-soc-lochnagar-sc-objs := lochnagar-sc.o
@@ -303,7 +302,6 @@ snd-soc-ts3a227e-objs := ts3a227e.o
 snd-soc-twl4030-objs := twl4030.o
 snd-soc-twl6040-objs := twl6040.o
 snd-soc-uda1334-objs := uda1334.o
-snd-soc-uda134x-objs := uda134x.o
 snd-soc-uda1380-objs := uda1380.o
 snd-soc-wcd-mbhc-objs := wcd-mbhc-v2.o
 snd-soc-wcd9335-objs := wcd-clsh-v2.o wcd9335.o
@@ -518,7 +516,6 @@ obj-$(CONFIG_SND_SOC_JZ4740_CODEC)	+= snd-soc-jz4740-codec.o
 obj-$(CONFIG_SND_SOC_JZ4725B_CODEC)	+= snd-soc-jz4725b-codec.o
 obj-$(CONFIG_SND_SOC_JZ4760_CODEC)      += snd-soc-jz4760-codec.o
 obj-$(CONFIG_SND_SOC_JZ4770_CODEC)	+= snd-soc-jz4770-codec.o
-obj-$(CONFIG_SND_SOC_L3)	+= snd-soc-l3.o
 obj-$(CONFIG_SND_SOC_LM4857)	+= snd-soc-lm4857.o
 obj-$(CONFIG_SND_SOC_LM49453)   += snd-soc-lm49453.o
 obj-$(CONFIG_SND_SOC_LOCHNAGAR_SC)	+= snd-soc-lochnagar-sc.o
@@ -687,7 +684,6 @@ obj-$(CONFIG_SND_SOC_TS3A227E)	+= snd-soc-ts3a227e.o
 obj-$(CONFIG_SND_SOC_TWL4030)	+= snd-soc-twl4030.o
 obj-$(CONFIG_SND_SOC_TWL6040)	+= snd-soc-twl6040.o
 obj-$(CONFIG_SND_SOC_UDA1334)	+= snd-soc-uda1334.o
-obj-$(CONFIG_SND_SOC_UDA134X)	+= snd-soc-uda134x.o
 obj-$(CONFIG_SND_SOC_UDA1380)	+= snd-soc-uda1380.o
 obj-$(CONFIG_SND_SOC_WCD_MBHC)	+= snd-soc-wcd-mbhc.o
 obj-$(CONFIG_SND_SOC_WCD9335)	+= snd-soc-wcd9335.o

sound/soc/codecs/l3.c

-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * L3 code
- *
- *  Copyright (C) 2008, Christian Pellegrin <chripell@evolware.org>
- *
- * based on:
- *
- * L3 bus algorithm module.
- *
- *  Copyright (C) 2001 Russell King, All Rights Reserved.
- */
-
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/delay.h>
-#include <linux/device.h>
-#include <linux/gpio.h>
-
-#include <sound/l3.h>
-
-/*
- * Send one byte of data to the chip.  Data is latched into the chip on
- * the rising edge of the clock.
- */
-static void sendbyte(struct l3_pins *adap, unsigned int byte)
-{
-	int i;
-
-	for (i = 0; i < 8; i++) {
-		adap->setclk(adap, 0);
-		udelay(adap->data_hold);
-		adap->setdat(adap, byte & 1);
-		udelay(adap->data_setup);
-		adap->setclk(adap, 1);
-		udelay(adap->clock_high);
-		byte >>= 1;
-	}
-}
-
-/*
- * Send a set of bytes to the chip.  We need to pulse the MODE line
- * between each byte, but never at the start nor at the end of the
- * transfer.
- */
-static void sendbytes(struct l3_pins *adap, const u8 *buf,
-		      int len)
-{
-	int i;
-
-	for (i = 0; i < len; i++) {
-		if (i) {
-			udelay(adap->mode_hold);
-			adap->setmode(adap, 0);
-			udelay(adap->mode);
-		}
-		adap->setmode(adap, 1);
-		udelay(adap->mode_setup);
-		sendbyte(adap, buf[i]);
-	}
-}
-
-int l3_write(struct l3_pins *adap, u8 addr, u8 *data, int len)
-{
-	adap->setclk(adap, 1);
-	adap->setdat(adap, 1);
-	adap->setmode(adap, 1);
-	udelay(adap->mode);
-
-	adap->setmode(adap, 0);
-	udelay(adap->mode_setup);
-	sendbyte(adap, addr);
-	udelay(adap->mode_hold);
-
-	sendbytes(adap, data, len);
-
-	adap->setclk(adap, 1);
-	adap->setdat(adap, 1);
-	adap->setmode(adap, 0);
-
-	return len;
-}
-EXPORT_SYMBOL_GPL(l3_write);
-
-
-static void l3_set_clk(struct l3_pins *adap, int val)
-{
-	gpio_set_value(adap->gpio_clk, val);
-}
-
-static void l3_set_data(struct l3_pins *adap, int val)
-{
-	gpio_set_value(adap->gpio_data, val);
-}
-
-static void l3_set_mode(struct l3_pins *adap, int val)
-{
-	gpio_set_value(adap->gpio_mode, val);
-}
-
-int l3_set_gpio_ops(struct device *dev, struct l3_pins *adap)
-{
-	int ret;
-
-	if (!adap->use_gpios)
-		return -EINVAL;
-
-	ret = devm_gpio_request_one(dev, adap->gpio_data,
-				GPIOF_OUT_INIT_LOW, "l3_data");
-	if (ret < 0)
-		return ret;
-	adap->setdat = l3_set_data;
-
-	ret = devm_gpio_request_one(dev, adap->gpio_clk,
-				GPIOF_OUT_INIT_LOW, "l3_clk");
-	if (ret < 0)
-		return ret;
-	adap->setclk = l3_set_clk;
-
-	ret = devm_gpio_request_one(dev, adap->gpio_mode,
-				GPIOF_OUT_INIT_LOW, "l3_mode");
-	if (ret < 0)
-		return ret;
-	adap->setmode = l3_set_mode;
-
-	return 0;
-}
-EXPORT_SYMBOL_GPL(l3_set_gpio_ops);
-
-MODULE_DESCRIPTION("L3 bit-banging driver");
-MODULE_AUTHOR("Christian Pellegrin <chripell@evolware.org>");
-MODULE_LICENSE("GPL");

sound/soc/codecs/uda134x.h

-/* SPDX-License-Identifier: GPL-2.0 */
-#ifndef _UDA134X_CODEC_H
-#define _UDA134X_CODEC_H
-
-#define UDA134X_L3ADDR	5
-#define UDA134X_DATA0_ADDR	((UDA134X_L3ADDR << 2) | 0)
-#define UDA134X_DATA1_ADDR	((UDA134X_L3ADDR << 2) | 1)
-#define UDA134X_STATUS_ADDR	((UDA134X_L3ADDR << 2) | 2)
-
-#define UDA134X_EXTADDR_PREFIX	0xC0
-#define UDA134X_EXTDATA_PREFIX	0xE0
-
-/* UDA134X registers */
-#define UDA134X_EA000	0
-#define UDA134X_EA001	1
-#define UDA134X_EA010	2
-#define UDA134X_EA011	3
-#define UDA134X_EA100	4
-#define UDA134X_EA101	5
-#define UDA134X_EA110	6
-#define UDA134X_EA111	7
-#define UDA134X_STATUS0 8
-#define UDA134X_STATUS1 9
-#define UDA134X_DATA000 10
-#define UDA134X_DATA001 11
-#define UDA134X_DATA010 12
-#define UDA134X_DATA011 13
-#define UDA134X_DATA1   14
-
-#define STATUS0_DAIFMT_MASK (~(7<<1))
-#define STATUS0_SYSCLK_MASK (~(3<<4))
-
-#endif