From 33a31edd4a4b7d26b962b32decfd8ea2377eaa0d Mon Sep 17 00:00:00 2001 From: Mauro Carvalho Chehab Date: Wed, 17 Apr 2013 06:07:01 -0300 Subject: Revert "[media] mfd: Add header files and Kbuild plumbing for SI476x MFD core" As requested by Samuel Ortiz , revert this patch. This reverts commit 3f8ec5df11aa2ad7402cfb3368532a96b63426a4. Conflicts: drivers/mfd/Kconfig Signed-off-by: Mauro Carvalho Chehab diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index b6bb6d5..c346941 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -977,19 +977,6 @@ config MFD_WL1273_CORE driver connects the radio-wl1273 V4L2 module and the wl1273 audio codec. -config MFD_SI476X_CORE - tristate "Support for Silicon Laboratories 4761/64/68 AM/FM radio." - depends on I2C - select MFD_CORE - select REGMAP_I2C - help - This is the core driver for the SI476x series of AM/FM - radio. This MFD driver connects the radio-si476x V4L2 module - and the si476x audio codec. - - To compile this driver as a module, choose M here: the - module will be called si476x-core. - config MFD_OMAP_USB_HOST bool "Support OMAP USBHS core and TLL driver" depends on USB_EHCI_HCD_OMAP || USB_OHCI_HCD_OMAP3 diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index b7aaa1e..b90409c 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -131,10 +131,6 @@ obj-$(CONFIG_MFD_JZ4740_ADC) += jz4740-adc.o obj-$(CONFIG_MFD_TPS6586X) += tps6586x.o obj-$(CONFIG_MFD_VX855) += vx855.o obj-$(CONFIG_MFD_WL1273_CORE) += wl1273-core.o - -si476x-core-y := si476x-cmd.o si476x-prop.o si476x-i2c.o -obj-$(CONFIG_MFD_SI476X_CORE) += si476x-core.o - obj-$(CONFIG_MFD_CS5535) += cs5535-mfd.o obj-$(CONFIG_MFD_OMAP_USB_HOST) += omap-usb-host.o omap-usb-tll.o obj-$(CONFIG_MFD_PM8921_CORE) += pm8921-core.o diff --git a/include/linux/mfd/si476x-core.h b/include/linux/mfd/si476x-core.h deleted file mode 100644 index 2136b26..0000000 --- a/include/linux/mfd/si476x-core.h +++ /dev/null @@ -1,525 +0,0 @@ -/* - * include/media/si476x-core.h -- Common definitions for si476x core - * device - * - * Copyright (C) 2012 Innovative Converged Devices(ICD) - * - * Author: Andrey Smirnov - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - */ - -#ifndef SI476X_CORE_H -#define SI476X_CORE_H - -#include -#include -#include -#include -#include -#include -#include -#include - -#include - -/* Command Timeouts */ -#define SI476X_DEFAULT_TIMEOUT 100000 -#define SI476X_TIMEOUT_TUNE 700000 -#define SI476X_TIMEOUT_POWER_UP 330000 -#define SI476X_STATUS_POLL_US 0 - -/* -------------------- si476x-i2c.c ----------------------- */ - -enum si476x_freq_supported_chips { - SI476X_CHIP_SI4761 = 1, - SI476X_CHIP_SI4764, - SI476X_CHIP_SI4768, -}; - -enum si476x_mfd_cells { - SI476X_RADIO_CELL = 0, - SI476X_CODEC_CELL, - SI476X_MFD_CELLS, -}; - -/** - * enum si476x_power_state - possible power state of the si476x - * device. - * - * @SI476X_POWER_DOWN: In this state all regulators are turned off - * and the reset line is pulled low. The device is completely - * inactive. - * @SI476X_POWER_UP_FULL: In this state all the power regualtors are - * turned on, reset line pulled high, IRQ line is enabled(polling is - * active for polling use scenario) and device is turned on with - * POWER_UP command. The device is ready to be used. - * @SI476X_POWER_INCONSISTENT: This state indicates that previous - * power down was inconsistent, meaning some of the regulators were - * not turned down and thus use of the device, without power-cycling - * is impossible. - */ -enum si476x_power_state { - SI476X_POWER_DOWN = 0, - SI476X_POWER_UP_FULL = 1, - SI476X_POWER_INCONSISTENT = 2, -}; - -/** - * struct si476x_core - internal data structure representing the - * underlying "core" device which all the MFD cell-devices use. - * - * @client: Actual I2C client used to transfer commands to the chip. - * @chip_id: Last digit of the chip model(E.g. "1" for SI4761) - * @cells: MFD cell devices created by this driver. - * @cmd_lock: Mutex used to serialize all the requests to the core - * device. This filed should not be used directly. Instead - * si476x_core_lock()/si476x_core_unlock() should be used to get - * exclusive access to the "core" device. - * @users: Active users counter(Used by the radio cell) - * @rds_read_queue: Wait queue used to wait for RDS data. - * @rds_fifo: FIFO in which all the RDS data received from the chip is - * placed. - * @rds_fifo_drainer: Worker that drains on-chip RDS FIFO. - * @rds_drainer_is_working: Flag used for launching only one instance - * of the @rds_fifo_drainer. - * @rds_drainer_status_lock: Lock used to guard access to the - * @rds_drainer_is_working variable. - * @command: Wait queue for wainting on the command comapletion. - * @cts: Clear To Send flag set upon receiving first status with CTS - * set. - * @tuning: Wait queue used for wainting for tune/seek comand - * completion. - * @stc: Similar to @cts, but for the STC bit of the status value. - * @power_up_parameters: Parameters used as argument for POWER_UP - * command when the device is started. - * @state: Current power state of the device. - * @supplues: Structure containing handles to all power supplies used - * by the device (NULL ones are ignored). - * @gpio_reset: GPIO pin connectet to the RSTB pin of the chip. - * @pinmux: Chip's configurable pins configuration. - * @diversity_mode: Chips role when functioning in diversity mode. - * @status_monitor: Polling worker used in polling use case scenarion - * (when IRQ is not avalible). - * @revision: Chip's running firmware revision number(Used for correct - * command set support). - */ - -struct si476x_core { - struct i2c_client *client; - struct regmap *regmap; - int chip_id; - struct mfd_cell cells[SI476X_MFD_CELLS]; - - struct mutex cmd_lock; /* for serializing fm radio operations */ - atomic_t users; - - wait_queue_head_t rds_read_queue; - struct kfifo rds_fifo; - struct work_struct rds_fifo_drainer; - bool rds_drainer_is_working; - struct mutex rds_drainer_status_lock; - - wait_queue_head_t command; - atomic_t cts; - - wait_queue_head_t tuning; - atomic_t stc; - - struct si476x_power_up_args power_up_parameters; - - enum si476x_power_state power_state; - - struct regulator_bulk_data supplies[4]; - - int gpio_reset; - - struct si476x_pinmux pinmux; - enum si476x_phase_diversity_mode diversity_mode; - - atomic_t is_alive; - - struct delayed_work status_monitor; -#define SI476X_WORK_TO_CORE(w) container_of(to_delayed_work(w), \ - struct si476x_core, \ - status_monitor) - - int revision; - - int rds_fifo_depth; -}; - -static inline struct si476x_core *i2c_mfd_cell_to_core(struct device *dev) -{ - struct i2c_client *client = to_i2c_client(dev->parent); - return i2c_get_clientdata(client); -} - - -/** - * si476x_core_lock() - lock the core device to get an exclusive access - * to it. - */ -static inline void si476x_core_lock(struct si476x_core *core) -{ - mutex_lock(&core->cmd_lock); -} - -/** - * si476x_core_unlock() - unlock the core device to relinquish an - * exclusive access to it. - */ -static inline void si476x_core_unlock(struct si476x_core *core) -{ - mutex_unlock(&core->cmd_lock); -} - -/* *_TUNE_FREQ family of commands accept frequency in multiples of - 10kHz */ -static inline u16 hz_to_si476x(struct si476x_core *core, int freq) -{ - u16 result; - - switch (core->power_up_parameters.func) { - default: - case SI476X_FUNC_FM_RECEIVER: - result = freq / 10000; - break; - case SI476X_FUNC_AM_RECEIVER: - result = freq / 1000; - break; - } - - return result; -} - -static inline int si476x_to_hz(struct si476x_core *core, u16 freq) -{ - int result; - - switch (core->power_up_parameters.func) { - default: - case SI476X_FUNC_FM_RECEIVER: - result = freq * 10000; - break; - case SI476X_FUNC_AM_RECEIVER: - result = freq * 1000; - break; - } - - return result; -} - -/* Since the V4L2_TUNER_CAP_LOW flag is supplied, V4L2 subsystem - * mesures frequency in 62.5 Hz units */ - -static inline int hz_to_v4l2(int freq) -{ - return (freq * 10) / 625; -} - -static inline int v4l2_to_hz(int freq) -{ - return (freq * 625) / 10; -} - -static inline u16 v4l2_to_si476x(struct si476x_core *core, int freq) -{ - return hz_to_si476x(core, v4l2_to_hz(freq)); -} - -static inline int si476x_to_v4l2(struct si476x_core *core, u16 freq) -{ - return hz_to_v4l2(si476x_to_hz(core, freq)); -} - - - -/** - * struct si476x_func_info - structure containing result of the - * FUNC_INFO command. - * - * @firmware.major: Firmware major number. - * @firmware.minor[...]: Firmware minor numbers. - * @patch_id: - * @func: Mode tuner is working in. - */ -struct si476x_func_info { - struct { - u8 major, minor[2]; - } firmware; - u16 patch_id; - enum si476x_func func; -}; - -/** - * struct si476x_power_down_args - structure used to pass parameters - * to POWER_DOWN command - * - * @xosc: true - Power down, but leav oscillator running. - * false - Full power down. - */ -struct si476x_power_down_args { - bool xosc; -}; - -/** - * enum si476x_tunemode - enum representing possible tune modes for - * the chip. - * @SI476X_TM_VALIDATED_NORMAL_TUNE: Unconditionally stay on the new - * channel after tune, tune status is valid. - * @SI476X_TM_INVALIDATED_FAST_TUNE: Unconditionally stay in the new - * channel after tune, tune status invalid. - * @SI476X_TM_VALIDATED_AF_TUNE: Jump back to previous channel if - * metric thresholds are not met. - * @SI476X_TM_VALIDATED_AF_CHECK: Unconditionally jump back to the - * previous channel. - */ -enum si476x_tunemode { - SI476X_TM_VALIDATED_NORMAL_TUNE = 0, - SI476X_TM_INVALIDATED_FAST_TUNE = 1, - SI476X_TM_VALIDATED_AF_TUNE = 2, - SI476X_TM_VALIDATED_AF_CHECK = 3, -}; - -/** - * enum si476x_smoothmetrics - enum containing the possible setting fo - * audio transitioning of the chip - * @SI476X_SM_INITIALIZE_AUDIO: Initialize audio state to match this - * new channel - * @SI476X_SM_TRANSITION_AUDIO: Transition audio state from previous - * channel values to the new values - */ -enum si476x_smoothmetrics { - SI476X_SM_INITIALIZE_AUDIO = 0, - SI476X_SM_TRANSITION_AUDIO = 1, -}; - -/** - * struct si476x_rds_status_report - the structure representing the - * response to 'FM_RD_STATUS' command - * @rdstpptyint: Traffic program flag(TP) and/or program type(PTY) - * code has changed. - * @rdspiint: Program indentifiaction(PI) code has changed. - * @rdssyncint: RDS synchronization has changed. - * @rdsfifoint: RDS was received and the RDS FIFO has at least - * 'FM_RDS_INTERRUPT_FIFO_COUNT' elements in it. - * @tpptyvalid: TP flag and PTY code are valid falg. - * @pivalid: PI code is valid flag. - * @rdssync: RDS is currently synchronized. - * @rdsfifolost: On or more RDS groups have been lost/discarded flag. - * @tp: Current channel's TP flag. - * @pty: Current channel's PTY code. - * @pi: Current channel's PI code. - * @rdsfifoused: Number of blocks remaining in the RDS FIFO (0 if - * empty). - */ -struct si476x_rds_status_report { - bool rdstpptyint, rdspiint, rdssyncint, rdsfifoint; - bool tpptyvalid, pivalid, rdssync, rdsfifolost; - bool tp; - - u8 pty; - u16 pi; - - u8 rdsfifoused; - u8 ble[4]; - - struct v4l2_rds_data rds[4]; -}; - -struct si476x_rsq_status_args { - bool primary; - bool rsqack; - bool attune; - bool cancel; - bool stcack; -}; - -enum si476x_injside { - SI476X_INJSIDE_AUTO = 0, - SI476X_INJSIDE_LOW = 1, - SI476X_INJSIDE_HIGH = 2, -}; - -struct si476x_tune_freq_args { - bool zifsr; - bool hd; - enum si476x_injside injside; - int freq; - enum si476x_tunemode tunemode; - enum si476x_smoothmetrics smoothmetrics; - int antcap; -}; - -int si476x_core_stop(struct si476x_core *, bool); -int si476x_core_start(struct si476x_core *, bool); -int si476x_core_set_power_state(struct si476x_core *, enum si476x_power_state); -bool si476x_core_has_am(struct si476x_core *); -bool si476x_core_has_diversity(struct si476x_core *); -bool si476x_core_is_a_secondary_tuner(struct si476x_core *); -bool si476x_core_is_a_primary_tuner(struct si476x_core *); -bool si476x_core_is_in_am_receiver_mode(struct si476x_core *core); -bool si476x_core_is_powered_up(struct si476x_core *core); - -enum si476x_i2c_type { - SI476X_I2C_SEND, - SI476X_I2C_RECV -}; - -int si476x_core_i2c_xfer(struct si476x_core *, - enum si476x_i2c_type, - char *, int); - - -/* -------------------- si476x-cmd.c ----------------------- */ - -int si476x_core_cmd_func_info(struct si476x_core *, struct si476x_func_info *); -int si476x_core_cmd_set_property(struct si476x_core *, u16, u16); -int si476x_core_cmd_get_property(struct si476x_core *, u16); -int si476x_core_cmd_dig_audio_pin_cfg(struct si476x_core *, - enum si476x_dclk_config, - enum si476x_dfs_config, - enum si476x_dout_config, - enum si476x_xout_config); -int si476x_core_cmd_zif_pin_cfg(struct si476x_core *, - enum si476x_iqclk_config, - enum si476x_iqfs_config, - enum si476x_iout_config, - enum si476x_qout_config); -int si476x_core_cmd_ic_link_gpo_ctl_pin_cfg(struct si476x_core *, - enum si476x_icin_config, - enum si476x_icip_config, - enum si476x_icon_config, - enum si476x_icop_config); -int si476x_core_cmd_ana_audio_pin_cfg(struct si476x_core *, - enum si476x_lrout_config); -int si476x_core_cmd_intb_pin_cfg(struct si476x_core *, enum si476x_intb_config, - enum si476x_a1_config); -int si476x_core_cmd_fm_seek_start(struct si476x_core *, bool, bool); -int si476x_core_cmd_am_seek_start(struct si476x_core *, bool, bool); -int si476x_core_cmd_fm_rds_status(struct si476x_core *, bool, bool, bool, - struct si476x_rds_status_report *); -int si476x_core_cmd_fm_rds_blockcount(struct si476x_core *, bool, - struct si476x_rds_blockcount_report *); -int si476x_core_cmd_fm_tune_freq(struct si476x_core *, - struct si476x_tune_freq_args *); -int si476x_core_cmd_am_tune_freq(struct si476x_core *, - struct si476x_tune_freq_args *); -int si476x_core_cmd_am_rsq_status(struct si476x_core *, - struct si476x_rsq_status_args *, - struct si476x_rsq_status_report *); -int si476x_core_cmd_fm_rsq_status(struct si476x_core *, - struct si476x_rsq_status_args *, - struct si476x_rsq_status_report *); -int si476x_core_cmd_power_up(struct si476x_core *, - struct si476x_power_up_args *); -int si476x_core_cmd_power_down(struct si476x_core *, - struct si476x_power_down_args *); -int si476x_core_cmd_fm_phase_div_status(struct si476x_core *); -int si476x_core_cmd_fm_phase_diversity(struct si476x_core *, - enum si476x_phase_diversity_mode); - -int si476x_core_cmd_fm_acf_status(struct si476x_core *, - struct si476x_acf_status_report *); -int si476x_core_cmd_am_acf_status(struct si476x_core *, - struct si476x_acf_status_report *); -int si476x_core_cmd_agc_status(struct si476x_core *, - struct si476x_agc_status_report *); - -enum si476x_power_grid_type { - SI476X_POWER_GRID_50HZ = 0, - SI476X_POWER_GRID_60HZ, -}; - -/* Properties */ - -enum si476x_interrupt_flags { - SI476X_STCIEN = (1 << 0), - SI476X_ACFIEN = (1 << 1), - SI476X_RDSIEN = (1 << 2), - SI476X_RSQIEN = (1 << 3), - - SI476X_ERRIEN = (1 << 6), - SI476X_CTSIEN = (1 << 7), - - SI476X_STCREP = (1 << 8), - SI476X_ACFREP = (1 << 9), - SI476X_RDSREP = (1 << 10), - SI476X_RSQREP = (1 << 11), -}; - -enum si476x_rdsint_sources { - SI476X_RDSTPPTY = (1 << 4), - SI476X_RDSPI = (1 << 3), - SI476X_RDSSYNC = (1 << 1), - SI476X_RDSRECV = (1 << 0), -}; - -enum si476x_status_response_bits { - SI476X_CTS = (1 << 7), - SI476X_ERR = (1 << 6), - /* Status response for WB receiver */ - SI476X_WB_ASQ_INT = (1 << 4), - SI476X_RSQ_INT = (1 << 3), - /* Status response for FM receiver */ - SI476X_FM_RDS_INT = (1 << 2), - SI476X_ACF_INT = (1 << 1), - SI476X_STC_INT = (1 << 0), -}; - -/* -------------------- si476x-prop.c ----------------------- */ - -enum si476x_common_receiver_properties { - SI476X_PROP_INT_CTL_ENABLE = 0x0000, - SI476X_PROP_DIGITAL_IO_INPUT_SAMPLE_RATE = 0x0200, - SI476X_PROP_DIGITAL_IO_INPUT_FORMAT = 0x0201, - SI476X_PROP_DIGITAL_IO_OUTPUT_SAMPLE_RATE = 0x0202, - SI476X_PROP_DIGITAL_IO_OUTPUT_FORMAT = 0x0203, - - SI476X_PROP_SEEK_BAND_BOTTOM = 0x1100, - SI476X_PROP_SEEK_BAND_TOP = 0x1101, - SI476X_PROP_SEEK_FREQUENCY_SPACING = 0x1102, - - SI476X_PROP_VALID_MAX_TUNE_ERROR = 0x2000, - SI476X_PROP_VALID_SNR_THRESHOLD = 0x2003, - SI476X_PROP_VALID_RSSI_THRESHOLD = 0x2004, -}; - -enum si476x_am_receiver_properties { - SI476X_PROP_AUDIO_PWR_LINE_FILTER = 0x0303, -}; - -enum si476x_fm_receiver_properties { - SI476X_PROP_AUDIO_DEEMPHASIS = 0x0302, - - SI476X_PROP_FM_RDS_INTERRUPT_SOURCE = 0x4000, - SI476X_PROP_FM_RDS_INTERRUPT_FIFO_COUNT = 0x4001, - SI476X_PROP_FM_RDS_CONFIG = 0x4002, -}; - -enum si476x_prop_audio_pwr_line_filter_bits { - SI476X_PROP_PWR_HARMONICS_MASK = 0b0000000000011111, - SI476X_PROP_PWR_GRID_MASK = 0b0000000100000000, - SI476X_PROP_PWR_ENABLE_MASK = 0b0000001000000000, - SI476X_PROP_PWR_GRID_50HZ = 0b0000000000000000, - SI476X_PROP_PWR_GRID_60HZ = 0b0000000100000000, -}; - -enum si476x_prop_fm_rds_config_bits { - SI476X_PROP_RDSEN_MASK = 0x1, - SI476X_PROP_RDSEN = 0x1, -}; - - -struct regmap *devm_regmap_init_si476x(struct si476x_core *); - -#endif /* SI476X_CORE_H */ -- cgit v0.10.2