mfd: remove ucb1400 support

The ucb1400 MFD driver and its gpio and touchscreen child
drivers were only used on a few PXA machines that were unused
for a while and are now removed.

Removing these leaves the AC97 support as ALSA specific,
no other drivers are now connected through this interface.

Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Lee Jones <lee@kernel.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: Marek Vasut <marex@denx.de>
Cc: linux-kernel@vger.kernel.org
Cc: linux-gpio@vger.kernel.org
Cc: linux-input@vger.kernel.org
Cc: alsa-devel@alsa-project.org
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

1 files changed, 0 insertions, 160 deletions

diff --git a/include/linux/ucb1400.h b/include/linux/ucb1400.h
deleted file mode 100644
index 2516082cd3a9..000000000000
--- a/include/linux/ucb1400.h
+++ /dev/null
@@ -1,160 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * Register definitions and functions for:
- *  Philips UCB1400 driver
- *
- * Based on ucb1400_ts:
- *  Author:	Nicolas Pitre
- *  Created:	September 25, 2006
- *  Copyright:	MontaVista Software, Inc.
- *
- * Spliting done by: Marek Vasut <marek.vasut@gmail.com>
- * If something doesn't work and it worked before spliting, e-mail me,
- * dont bother Nicolas please ;-)
- *
- * This code is heavily based on ucb1x00-*.c copyrighted by Russell King
- * covering the UCB1100, UCB1200 and UCB1300..  Support for the UCB1400 has
- * been made separate from ucb1x00-core/ucb1x00-ts on Russell's request.
- */
-
-#ifndef _LINUX__UCB1400_H
-#define _LINUX__UCB1400_H
-
-#include <sound/ac97_codec.h>
-#include <linux/mutex.h>
-#include <linux/platform_device.h>
-#include <linux/gpio/driver.h>
-
-/*
- * UCB1400 AC-link registers
- */
-
-#define UCB_IO_DATA		0x5a
-#define UCB_IO_DIR		0x5c
-#define UCB_IE_RIS		0x5e
-#define UCB_IE_FAL		0x60
-#define UCB_IE_STATUS		0x62
-#define UCB_IE_CLEAR		0x62
-#define UCB_IE_ADC		(1 << 11)
-#define UCB_IE_TSPX		(1 << 12)
-
-#define UCB_TS_CR		0x64
-#define UCB_TS_CR_TSMX_POW	(1 << 0)
-#define UCB_TS_CR_TSPX_POW	(1 << 1)
-#define UCB_TS_CR_TSMY_POW	(1 << 2)
-#define UCB_TS_CR_TSPY_POW	(1 << 3)
-#define UCB_TS_CR_TSMX_GND	(1 << 4)
-#define UCB_TS_CR_TSPX_GND	(1 << 5)
-#define UCB_TS_CR_TSMY_GND	(1 << 6)
-#define UCB_TS_CR_TSPY_GND	(1 << 7)
-#define UCB_TS_CR_MODE_INT	(0 << 8)
-#define UCB_TS_CR_MODE_PRES	(1 << 8)
-#define UCB_TS_CR_MODE_POS	(2 << 8)
-#define UCB_TS_CR_BIAS_ENA	(1 << 11)
-#define UCB_TS_CR_TSPX_LOW	(1 << 12)
-#define UCB_TS_CR_TSMX_LOW	(1 << 13)
-
-#define UCB_ADC_CR		0x66
-#define UCB_ADC_SYNC_ENA	(1 << 0)
-#define UCB_ADC_VREFBYP_CON	(1 << 1)
-#define UCB_ADC_INP_TSPX	(0 << 2)
-#define UCB_ADC_INP_TSMX	(1 << 2)
-#define UCB_ADC_INP_TSPY	(2 << 2)
-#define UCB_ADC_INP_TSMY	(3 << 2)
-#define UCB_ADC_INP_AD0		(4 << 2)
-#define UCB_ADC_INP_AD1		(5 << 2)
-#define UCB_ADC_INP_AD2		(6 << 2)
-#define UCB_ADC_INP_AD3		(7 << 2)
-#define UCB_ADC_EXT_REF		(1 << 5)
-#define UCB_ADC_START		(1 << 7)
-#define UCB_ADC_ENA		(1 << 15)
-
-#define UCB_ADC_DATA		0x68
-#define UCB_ADC_DAT_VALID	(1 << 15)
-
-#define UCB_FCSR		0x6c
-#define UCB_FCSR_AVE		(1 << 12)
-
-#define UCB_ADC_DAT_MASK	0x3ff
-
-#define UCB_ID			0x7e
-#define UCB_ID_1400             0x4304
-
-struct ucb1400_gpio {
-	struct gpio_chip	gc;
-	struct snd_ac97		*ac97;
-	int			gpio_offset;
-};
-
-struct ucb1400_ts {
-	struct input_dev	*ts_idev;
-	int			id;
-	int			irq;
-	struct snd_ac97		*ac97;
-	wait_queue_head_t	ts_wait;
-	bool			stopped;
-};
-
-struct ucb1400 {
-	struct platform_device	*ucb1400_ts;
-	struct platform_device	*ucb1400_gpio;
-};
-
-struct ucb1400_pdata {
-	int	irq;
-	int	gpio_offset;
-	int	(*gpio_setup)(struct device *dev, int ngpio);
-	int	(*gpio_teardown)(struct device *dev, int ngpio);
-};
-
-static inline u16 ucb1400_reg_read(struct snd_ac97 *ac97, u16 reg)
-{
-	return ac97->bus->ops->read(ac97, reg);
-}
-
-static inline void ucb1400_reg_write(struct snd_ac97 *ac97, u16 reg, u16 val)
-{
-	ac97->bus->ops->write(ac97, reg, val);
-}
-
-static inline u16 ucb1400_gpio_get_value(struct snd_ac97 *ac97, u16 gpio)
-{
-	return ucb1400_reg_read(ac97, UCB_IO_DATA) & (1 << gpio);
-}
-
-static inline void ucb1400_gpio_set_value(struct snd_ac97 *ac97, u16 gpio,
-						u16 val)
-{
-	ucb1400_reg_write(ac97, UCB_IO_DATA, val ?
-			ucb1400_reg_read(ac97, UCB_IO_DATA) | (1 << gpio) :
-			ucb1400_reg_read(ac97, UCB_IO_DATA) & ~(1 << gpio));
-}
-
-static inline u16 ucb1400_gpio_get_direction(struct snd_ac97 *ac97, u16 gpio)
-{
-	return ucb1400_reg_read(ac97, UCB_IO_DIR) & (1 << gpio);
-}
-
-static inline void ucb1400_gpio_set_direction(struct snd_ac97 *ac97, u16 gpio,
-						u16 dir)
-{
-	ucb1400_reg_write(ac97, UCB_IO_DIR, dir ?
-			ucb1400_reg_read(ac97, UCB_IO_DIR) | (1 << gpio) :
-			ucb1400_reg_read(ac97, UCB_IO_DIR) & ~(1 << gpio));
-}
-
-static inline void ucb1400_adc_enable(struct snd_ac97 *ac97)
-{
-	ucb1400_reg_write(ac97, UCB_ADC_CR, UCB_ADC_ENA);
-}
-
-static inline void ucb1400_adc_disable(struct snd_ac97 *ac97)
-{
-	ucb1400_reg_write(ac97, UCB_ADC_CR, 0);
-}
-
-
-unsigned int ucb1400_adc_read(struct snd_ac97 *ac97, u16 adc_channel,
-			      int adcsync);
-
-#endif