mfd: wl1273-core: Remove the header

The wl1273 FM radio is on Arnd's unused driver list:

https://lore.kernel.org/lkml/[e-mail]/

Other patches have removed the core, the ASoC code and the Radio code.
With all those in, remove the header.

Also, tidy the ref in the docs.

Signed-off-by: Dr. David Alan Gilbert <[e-mail]>
Acked-by: Arnd Bergmann <[e-mail]>
Signed-off-by: Lee Jones <[e-mail]>

Documentation/admin-guide/media/radio-cardlist.rst

···
 radio-timb             Enable the Timberdale radio driver
 radio-trust            Trust FM radio card
 radio-typhoon          Typhoon Radio (a.k.a. EcoRadio)
-radio-wl1273           Texas Instruments WL1273 I2C FM Radio
 fm_drv                 ISA radio devices
 fm_drv                 ISA radio devices
 radio-zoltrix          Zoltrix Radio

include/linux/mfd/wl1273-core.h

···
-/* SPDX-License-Identifier: GPL-2.0-only */
-/*
- * include/linux/mfd/wl1273-core.h
- *
- * Some definitions for the wl1273 radio receiver/transmitter chip.
- *
- * Copyright (C) 2010 Nokia Corporation
- * Author: Matti J. Aaltonen <[e-mail]>
- */
-
-#ifndef WL1273_CORE_H
-#define WL1273_CORE_H
-
-#include <linux/i2c.h>
-#include <linux/mfd/core.h>
-
-#define WL1273_FM_DRIVER_NAME	"wl1273-fm"
-#define RX71_FM_I2C_ADDR	0x22
-
-#define WL1273_STEREO_GET		0
-#define WL1273_RSSI_LVL_GET		1
-#define WL1273_IF_COUNT_GET		2
-#define WL1273_FLAG_GET			3
-#define WL1273_RDS_SYNC_GET		4
-#define WL1273_RDS_DATA_GET		5
-#define WL1273_FREQ_SET			10
-#define WL1273_AF_FREQ_SET		11
-#define WL1273_MOST_MODE_SET		12
-#define WL1273_MOST_BLEND_SET		13
-#define WL1273_DEMPH_MODE_SET		14
-#define WL1273_SEARCH_LVL_SET		15
-#define WL1273_BAND_SET			16
-#define WL1273_MUTE_STATUS_SET		17
-#define WL1273_RDS_PAUSE_LVL_SET	18
-#define WL1273_RDS_PAUSE_DUR_SET	19
-#define WL1273_RDS_MEM_SET		20
-#define WL1273_RDS_BLK_B_SET		21
-#define WL1273_RDS_MSK_B_SET		22
-#define WL1273_RDS_PI_MASK_SET		23
-#define WL1273_RDS_PI_SET		24
-#define WL1273_RDS_SYSTEM_SET		25
-#define WL1273_INT_MASK_SET		26
-#define WL1273_SEARCH_DIR_SET		27
-#define WL1273_VOLUME_SET		28
-#define WL1273_AUDIO_ENABLE		29
-#define WL1273_PCM_MODE_SET		30
-#define WL1273_I2S_MODE_CONFIG_SET	31
-#define WL1273_POWER_SET		32
-#define WL1273_INTX_CONFIG_SET		33
-#define WL1273_PULL_EN_SET		34
-#define WL1273_HILO_SET			35
-#define WL1273_SWITCH2FREF		36
-#define WL1273_FREQ_DRIFT_REPORT	37
-
-#define WL1273_PCE_GET			40
-#define WL1273_FIRM_VER_GET		41
-#define WL1273_ASIC_VER_GET		42
-#define WL1273_ASIC_ID_GET		43
-#define WL1273_MAN_ID_GET		44
-#define WL1273_TUNER_MODE_SET		45
-#define WL1273_STOP_SEARCH		46
-#define WL1273_RDS_CNTRL_SET		47
-
-#define WL1273_WRITE_HARDWARE_REG	100
-#define WL1273_CODE_DOWNLOAD		101
-#define WL1273_RESET			102
-
-#define WL1273_FM_POWER_MODE		254
-#define WL1273_FM_INTERRUPT		255
-
-/* Transmitter API */
-
-#define WL1273_CHANL_SET			55
-#define WL1273_SCAN_SPACING_SET			56
-#define WL1273_REF_SET				57
-#define WL1273_POWER_ENB_SET			90
-#define WL1273_POWER_ATT_SET			58
-#define WL1273_POWER_LEV_SET			59
-#define WL1273_AUDIO_DEV_SET			60
-#define WL1273_PILOT_DEV_SET			61
-#define WL1273_RDS_DEV_SET			62
-#define WL1273_PUPD_SET				91
-#define WL1273_AUDIO_IO_SET			63
-#define WL1273_PREMPH_SET			64
-#define WL1273_MONO_SET				66
-#define WL1273_MUTE				92
-#define WL1273_MPX_LMT_ENABLE			67
-#define WL1273_PI_SET				93
-#define WL1273_ECC_SET				69
-#define WL1273_PTY				70
-#define WL1273_AF				71
-#define WL1273_DISPLAY_MODE			74
-#define WL1273_RDS_REP_SET			77
-#define WL1273_RDS_CONFIG_DATA_SET		98
-#define WL1273_RDS_DATA_SET			99
-#define WL1273_RDS_DATA_ENB			94
-#define WL1273_TA_SET				78
-#define WL1273_TP_SET				79
-#define WL1273_DI_SET				80
-#define WL1273_MS_SET				81
-#define WL1273_PS_SCROLL_SPEED			82
-#define WL1273_TX_AUDIO_LEVEL_TEST		96
-#define WL1273_TX_AUDIO_LEVEL_TEST_THRESHOLD	73
-#define WL1273_TX_AUDIO_INPUT_LEVEL_RANGE_SET	54
-#define WL1273_RX_ANTENNA_SELECT		87
-#define WL1273_I2C_DEV_ADDR_SET			86
-#define WL1273_REF_ERR_CALIB_PARAM_SET		88
-#define WL1273_REF_ERR_CALIB_PERIODICITY_SET	89
-#define WL1273_SOC_INT_TRIGGER			52
-#define WL1273_SOC_AUDIO_PATH_SET		83
-#define WL1273_SOC_PCMI_OVERRIDE		84
-#define WL1273_SOC_I2S_OVERRIDE			85
-#define WL1273_RSSI_BLOCK_SCAN_FREQ_SET		95
-#define WL1273_RSSI_BLOCK_SCAN_START		97
-#define WL1273_RSSI_BLOCK_SCAN_DATA_GET		5
-#define WL1273_READ_FMANT_TUNE_VALUE		104
-
-#define WL1273_RDS_OFF		0
-#define WL1273_RDS_ON		1
-#define WL1273_RDS_RESET	2
-
-#define WL1273_AUDIO_DIGITAL	0
-#define WL1273_AUDIO_ANALOG	1
-
-#define WL1273_MODE_RX		BIT(0)
-#define WL1273_MODE_TX		BIT(1)
-#define WL1273_MODE_OFF		BIT(2)
-#define WL1273_MODE_SUSPENDED	BIT(3)
-
-#define WL1273_RADIO_CHILD	BIT(0)
-#define WL1273_CODEC_CHILD	BIT(1)
-
-#define WL1273_RX_MONO		1
-#define WL1273_RX_STEREO	0
-#define WL1273_TX_MONO		0
-#define WL1273_TX_STEREO	1
-
-#define WL1273_MAX_VOLUME	0xffff
-#define WL1273_DEFAULT_VOLUME	0x78b8
-
-/* I2S protocol, left channel first, data width 16 bits */
-#define WL1273_PCM_DEF_MODE		0x00
-
-/* Rx */
-#define WL1273_AUDIO_ENABLE_I2S		BIT(0)
-#define WL1273_AUDIO_ENABLE_ANALOG	BIT(1)
-
-/* Tx */
-#define WL1273_AUDIO_IO_SET_ANALOG	0
-#define WL1273_AUDIO_IO_SET_I2S		1
-
-#define WL1273_PUPD_SET_OFF		0x00
-#define WL1273_PUPD_SET_ON		0x01
-#define WL1273_PUPD_SET_RETENTION	0x10
-
-/* I2S mode */
-#define WL1273_IS2_WIDTH_32	0x0
-#define WL1273_IS2_WIDTH_40	0x1
-#define WL1273_IS2_WIDTH_22_23	0x2
-#define WL1273_IS2_WIDTH_23_22	0x3
-#define WL1273_IS2_WIDTH_48	0x4
-#define WL1273_IS2_WIDTH_50	0x5
-#define WL1273_IS2_WIDTH_60	0x6
-#define WL1273_IS2_WIDTH_64	0x7
-#define WL1273_IS2_WIDTH_80	0x8
-#define WL1273_IS2_WIDTH_96	0x9
-#define WL1273_IS2_WIDTH_128	0xa
-#define WL1273_IS2_WIDTH	0xf
-
-#define WL1273_IS2_FORMAT_STD	(0x0 << 4)
-#define WL1273_IS2_FORMAT_LEFT	(0x1 << 4)
-#define WL1273_IS2_FORMAT_RIGHT	(0x2 << 4)
-#define WL1273_IS2_FORMAT_USER	(0x3 << 4)
-
-#define WL1273_IS2_MASTER	(0x0 << 6)
-#define WL1273_IS2_SLAVEW	(0x1 << 6)
-
-#define WL1273_IS2_TRI_AFTER_SENDING	(0x0 << 7)
-#define WL1273_IS2_TRI_ALWAYS_ACTIVE	(0x1 << 7)
-
-#define WL1273_IS2_SDOWS_RR	(0x0 << 8)
-#define WL1273_IS2_SDOWS_RF	(0x1 << 8)
-#define WL1273_IS2_SDOWS_FR	(0x2 << 8)
-#define WL1273_IS2_SDOWS_FF	(0x3 << 8)
-
-#define WL1273_IS2_TRI_OPT	(0x0 << 10)
-#define WL1273_IS2_TRI_ALWAYS	(0x1 << 10)
-
-#define WL1273_IS2_RATE_48K	(0x0 << 12)
-#define WL1273_IS2_RATE_44_1K	(0x1 << 12)
-#define WL1273_IS2_RATE_32K	(0x2 << 12)
-#define WL1273_IS2_RATE_22_05K	(0x4 << 12)
-#define WL1273_IS2_RATE_16K	(0x5 << 12)
-#define WL1273_IS2_RATE_12K	(0x8 << 12)
-#define WL1273_IS2_RATE_11_025	(0x9 << 12)
-#define WL1273_IS2_RATE_8K	(0xa << 12)
-#define WL1273_IS2_RATE		(0xf << 12)
-
-#define WL1273_I2S_DEF_MODE	(WL1273_IS2_WIDTH_32 | \
-				 WL1273_IS2_FORMAT_STD | \
-				 WL1273_IS2_MASTER | \
-				 WL1273_IS2_TRI_AFTER_SENDING | \
-				 WL1273_IS2_SDOWS_RR | \
-				 WL1273_IS2_TRI_OPT | \
-				 WL1273_IS2_RATE_48K)
-
-#define SCHAR_MIN (-128)
-#define SCHAR_MAX 127
-
-#define WL1273_FR_EVENT			BIT(0)
-#define WL1273_BL_EVENT			BIT(1)
-#define WL1273_RDS_EVENT		BIT(2)
-#define WL1273_BBLK_EVENT		BIT(3)
-#define WL1273_LSYNC_EVENT		BIT(4)
-#define WL1273_LEV_EVENT		BIT(5)
-#define WL1273_IFFR_EVENT		BIT(6)
-#define WL1273_PI_EVENT			BIT(7)
-#define WL1273_PD_EVENT			BIT(8)
-#define WL1273_STIC_EVENT		BIT(9)
-#define WL1273_MAL_EVENT		BIT(10)
-#define WL1273_POW_ENB_EVENT		BIT(11)
-#define WL1273_SCAN_OVER_EVENT		BIT(12)
-#define WL1273_ERROR_EVENT		BIT(13)
-
-#define TUNER_MODE_STOP_SEARCH		0
-#define TUNER_MODE_PRESET		1
-#define TUNER_MODE_AUTO_SEEK		2
-#define TUNER_MODE_AF			3
-#define TUNER_MODE_AUTO_SEEK_PI		4
-#define TUNER_MODE_AUTO_SEEK_BULK	5
-
-#define RDS_BLOCK_SIZE	3
-
-struct wl1273_fm_platform_data {
-	int (*request_resources) (struct i2c_client *client);
-	void (*free_resources) (void);
-	void (*enable) (void);
-	void (*disable) (void);
-
-	u8 forbidden_modes;
-	unsigned int children;
-};
-
-#define WL1273_FM_CORE_CELLS	2
-
-#define WL1273_BAND_OTHER	0
-#define WL1273_BAND_JAPAN	1
-
-#define WL1273_BAND_JAPAN_LOW	76000
-#define WL1273_BAND_JAPAN_HIGH	90000
-#define WL1273_BAND_OTHER_LOW	87500
-#define WL1273_BAND_OTHER_HIGH	108000
-
-#define WL1273_BAND_TX_LOW	76000
-#define WL1273_BAND_TX_HIGH	108000
-
-struct wl1273_core {
-	struct mfd_cell cells[WL1273_FM_CORE_CELLS];
-	struct wl1273_fm_platform_data *pdata;
-
-	unsigned int mode;
-	unsigned int i2s_mode;
-	unsigned int volume;
-	unsigned int audio_mode;
-	unsigned int channel_number;
-	struct mutex lock; /* for serializing fm radio operations */
-
-	struct i2c_client *client;
-
-	int (*read)(struct wl1273_core *core, u8, u16 *);
-	int (*write)(struct wl1273_core *core, u8, u16);
-	int (*write_data)(struct wl1273_core *core, u8 *, u16);
-	int (*set_audio)(struct wl1273_core *core, unsigned int);
-	int (*set_volume)(struct wl1273_core *core, unsigned int);
-};
-
-#endif	/* ifndef WL1273_CORE_H */