Revert "[media] mfd: Add header files and Kbuild plumbing for SI476x MFD core"
As requested by Samuel Ortiz <sameo@linux.intel.com>, revert
this patch.
This reverts commit 3f8ec5df11.
Conflicts:
drivers/mfd/Kconfig
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Mauro Carvalho Chehab
parent
82cd0b278f
commit
33a31edd4a
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@ -977,19 +977,6 @@ config MFD_WL1273_CORE
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driver connects the radio-wl1273 V4L2 module and the wl1273
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audio codec.
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config MFD_SI476X_CORE
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tristate "Support for Silicon Laboratories 4761/64/68 AM/FM radio."
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depends on I2C
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select MFD_CORE
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select REGMAP_I2C
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help
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This is the core driver for the SI476x series of AM/FM
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radio. This MFD driver connects the radio-si476x V4L2 module
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and the si476x audio codec.
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To compile this driver as a module, choose M here: the
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module will be called si476x-core.
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config MFD_OMAP_USB_HOST
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bool "Support OMAP USBHS core and TLL driver"
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depends on USB_EHCI_HCD_OMAP || USB_OHCI_HCD_OMAP3
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@ -131,10 +131,6 @@ obj-$(CONFIG_MFD_JZ4740_ADC) += jz4740-adc.o
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obj-$(CONFIG_MFD_TPS6586X) += tps6586x.o
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obj-$(CONFIG_MFD_VX855) += vx855.o
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obj-$(CONFIG_MFD_WL1273_CORE) += wl1273-core.o
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si476x-core-y := si476x-cmd.o si476x-prop.o si476x-i2c.o
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obj-$(CONFIG_MFD_SI476X_CORE) += si476x-core.o
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obj-$(CONFIG_MFD_CS5535) += cs5535-mfd.o
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obj-$(CONFIG_MFD_OMAP_USB_HOST) += omap-usb-host.o omap-usb-tll.o
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obj-$(CONFIG_MFD_PM8921_CORE) += pm8921-core.o
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@ -1,525 +0,0 @@
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/*
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* include/media/si476x-core.h -- Common definitions for si476x core
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* device
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*
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* Copyright (C) 2012 Innovative Converged Devices(ICD)
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*
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* Author: Andrey Smirnov <andrey.smirnov@convergeddevices.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; version 2 of the License.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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*/
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#ifndef SI476X_CORE_H
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#define SI476X_CORE_H
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#include <linux/kfifo.h>
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#include <linux/atomic.h>
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#include <linux/i2c.h>
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#include <linux/regmap.h>
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#include <linux/mutex.h>
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#include <linux/mfd/core.h>
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#include <linux/videodev2.h>
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#include <linux/regulator/consumer.h>
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#include <media/si476x.h>
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/* Command Timeouts */
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#define SI476X_DEFAULT_TIMEOUT 100000
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#define SI476X_TIMEOUT_TUNE 700000
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#define SI476X_TIMEOUT_POWER_UP 330000
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#define SI476X_STATUS_POLL_US 0
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/* -------------------- si476x-i2c.c ----------------------- */
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enum si476x_freq_supported_chips {
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SI476X_CHIP_SI4761 = 1,
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SI476X_CHIP_SI4764,
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SI476X_CHIP_SI4768,
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};
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enum si476x_mfd_cells {
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SI476X_RADIO_CELL = 0,
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SI476X_CODEC_CELL,
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SI476X_MFD_CELLS,
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};
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/**
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* enum si476x_power_state - possible power state of the si476x
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* device.
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*
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* @SI476X_POWER_DOWN: In this state all regulators are turned off
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* and the reset line is pulled low. The device is completely
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* inactive.
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* @SI476X_POWER_UP_FULL: In this state all the power regualtors are
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* turned on, reset line pulled high, IRQ line is enabled(polling is
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* active for polling use scenario) and device is turned on with
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* POWER_UP command. The device is ready to be used.
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* @SI476X_POWER_INCONSISTENT: This state indicates that previous
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* power down was inconsistent, meaning some of the regulators were
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* not turned down and thus use of the device, without power-cycling
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* is impossible.
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*/
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enum si476x_power_state {
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SI476X_POWER_DOWN = 0,
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SI476X_POWER_UP_FULL = 1,
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SI476X_POWER_INCONSISTENT = 2,
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};
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/**
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* struct si476x_core - internal data structure representing the
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* underlying "core" device which all the MFD cell-devices use.
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*
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* @client: Actual I2C client used to transfer commands to the chip.
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* @chip_id: Last digit of the chip model(E.g. "1" for SI4761)
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* @cells: MFD cell devices created by this driver.
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* @cmd_lock: Mutex used to serialize all the requests to the core
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* device. This filed should not be used directly. Instead
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* si476x_core_lock()/si476x_core_unlock() should be used to get
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* exclusive access to the "core" device.
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* @users: Active users counter(Used by the radio cell)
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* @rds_read_queue: Wait queue used to wait for RDS data.
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* @rds_fifo: FIFO in which all the RDS data received from the chip is
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* placed.
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* @rds_fifo_drainer: Worker that drains on-chip RDS FIFO.
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* @rds_drainer_is_working: Flag used for launching only one instance
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* of the @rds_fifo_drainer.
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* @rds_drainer_status_lock: Lock used to guard access to the
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* @rds_drainer_is_working variable.
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* @command: Wait queue for wainting on the command comapletion.
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* @cts: Clear To Send flag set upon receiving first status with CTS
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* set.
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* @tuning: Wait queue used for wainting for tune/seek comand
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* completion.
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* @stc: Similar to @cts, but for the STC bit of the status value.
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* @power_up_parameters: Parameters used as argument for POWER_UP
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* command when the device is started.
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* @state: Current power state of the device.
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* @supplues: Structure containing handles to all power supplies used
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* by the device (NULL ones are ignored).
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* @gpio_reset: GPIO pin connectet to the RSTB pin of the chip.
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* @pinmux: Chip's configurable pins configuration.
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* @diversity_mode: Chips role when functioning in diversity mode.
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* @status_monitor: Polling worker used in polling use case scenarion
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* (when IRQ is not avalible).
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* @revision: Chip's running firmware revision number(Used for correct
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* command set support).
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*/
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struct si476x_core {
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struct i2c_client *client;
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struct regmap *regmap;
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int chip_id;
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struct mfd_cell cells[SI476X_MFD_CELLS];
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struct mutex cmd_lock; /* for serializing fm radio operations */
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atomic_t users;
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wait_queue_head_t rds_read_queue;
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struct kfifo rds_fifo;
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struct work_struct rds_fifo_drainer;
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bool rds_drainer_is_working;
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struct mutex rds_drainer_status_lock;
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wait_queue_head_t command;
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atomic_t cts;
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wait_queue_head_t tuning;
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atomic_t stc;
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struct si476x_power_up_args power_up_parameters;
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enum si476x_power_state power_state;
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struct regulator_bulk_data supplies[4];
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int gpio_reset;
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struct si476x_pinmux pinmux;
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enum si476x_phase_diversity_mode diversity_mode;
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atomic_t is_alive;
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struct delayed_work status_monitor;
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#define SI476X_WORK_TO_CORE(w) container_of(to_delayed_work(w), \
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struct si476x_core, \
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status_monitor)
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int revision;
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int rds_fifo_depth;
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};
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static inline struct si476x_core *i2c_mfd_cell_to_core(struct device *dev)
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{
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struct i2c_client *client = to_i2c_client(dev->parent);
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return i2c_get_clientdata(client);
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}
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/**
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* si476x_core_lock() - lock the core device to get an exclusive access
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* to it.
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*/
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static inline void si476x_core_lock(struct si476x_core *core)
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{
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mutex_lock(&core->cmd_lock);
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}
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/**
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* si476x_core_unlock() - unlock the core device to relinquish an
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* exclusive access to it.
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*/
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static inline void si476x_core_unlock(struct si476x_core *core)
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{
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mutex_unlock(&core->cmd_lock);
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}
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/* *_TUNE_FREQ family of commands accept frequency in multiples of
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10kHz */
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static inline u16 hz_to_si476x(struct si476x_core *core, int freq)
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{
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u16 result;
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switch (core->power_up_parameters.func) {
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default:
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case SI476X_FUNC_FM_RECEIVER:
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result = freq / 10000;
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break;
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case SI476X_FUNC_AM_RECEIVER:
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result = freq / 1000;
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break;
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}
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return result;
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}
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static inline int si476x_to_hz(struct si476x_core *core, u16 freq)
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{
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int result;
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switch (core->power_up_parameters.func) {
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default:
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case SI476X_FUNC_FM_RECEIVER:
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result = freq * 10000;
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break;
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case SI476X_FUNC_AM_RECEIVER:
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result = freq * 1000;
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break;
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}
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return result;
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}
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/* Since the V4L2_TUNER_CAP_LOW flag is supplied, V4L2 subsystem
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* mesures frequency in 62.5 Hz units */
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static inline int hz_to_v4l2(int freq)
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{
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return (freq * 10) / 625;
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}
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static inline int v4l2_to_hz(int freq)
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{
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return (freq * 625) / 10;
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}
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static inline u16 v4l2_to_si476x(struct si476x_core *core, int freq)
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{
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return hz_to_si476x(core, v4l2_to_hz(freq));
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}
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static inline int si476x_to_v4l2(struct si476x_core *core, u16 freq)
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{
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return hz_to_v4l2(si476x_to_hz(core, freq));
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}
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/**
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* struct si476x_func_info - structure containing result of the
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* FUNC_INFO command.
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*
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* @firmware.major: Firmware major number.
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* @firmware.minor[...]: Firmware minor numbers.
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* @patch_id:
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* @func: Mode tuner is working in.
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*/
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struct si476x_func_info {
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struct {
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u8 major, minor[2];
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} firmware;
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u16 patch_id;
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enum si476x_func func;
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};
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/**
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* struct si476x_power_down_args - structure used to pass parameters
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* to POWER_DOWN command
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*
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* @xosc: true - Power down, but leav oscillator running.
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* false - Full power down.
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*/
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struct si476x_power_down_args {
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bool xosc;
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};
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/**
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* enum si476x_tunemode - enum representing possible tune modes for
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* the chip.
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* @SI476X_TM_VALIDATED_NORMAL_TUNE: Unconditionally stay on the new
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* channel after tune, tune status is valid.
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* @SI476X_TM_INVALIDATED_FAST_TUNE: Unconditionally stay in the new
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* channel after tune, tune status invalid.
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* @SI476X_TM_VALIDATED_AF_TUNE: Jump back to previous channel if
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* metric thresholds are not met.
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* @SI476X_TM_VALIDATED_AF_CHECK: Unconditionally jump back to the
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* previous channel.
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*/
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enum si476x_tunemode {
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SI476X_TM_VALIDATED_NORMAL_TUNE = 0,
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SI476X_TM_INVALIDATED_FAST_TUNE = 1,
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SI476X_TM_VALIDATED_AF_TUNE = 2,
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SI476X_TM_VALIDATED_AF_CHECK = 3,
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};
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/**
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* enum si476x_smoothmetrics - enum containing the possible setting fo
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* audio transitioning of the chip
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* @SI476X_SM_INITIALIZE_AUDIO: Initialize audio state to match this
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* new channel
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* @SI476X_SM_TRANSITION_AUDIO: Transition audio state from previous
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* channel values to the new values
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*/
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enum si476x_smoothmetrics {
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SI476X_SM_INITIALIZE_AUDIO = 0,
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SI476X_SM_TRANSITION_AUDIO = 1,
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};
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/**
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* struct si476x_rds_status_report - the structure representing the
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* response to 'FM_RD_STATUS' command
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* @rdstpptyint: Traffic program flag(TP) and/or program type(PTY)
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* code has changed.
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* @rdspiint: Program indentifiaction(PI) code has changed.
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* @rdssyncint: RDS synchronization has changed.
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* @rdsfifoint: RDS was received and the RDS FIFO has at least
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* 'FM_RDS_INTERRUPT_FIFO_COUNT' elements in it.
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* @tpptyvalid: TP flag and PTY code are valid falg.
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* @pivalid: PI code is valid flag.
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* @rdssync: RDS is currently synchronized.
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* @rdsfifolost: On or more RDS groups have been lost/discarded flag.
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* @tp: Current channel's TP flag.
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* @pty: Current channel's PTY code.
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* @pi: Current channel's PI code.
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* @rdsfifoused: Number of blocks remaining in the RDS FIFO (0 if
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* empty).
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*/
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struct si476x_rds_status_report {
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bool rdstpptyint, rdspiint, rdssyncint, rdsfifoint;
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bool tpptyvalid, pivalid, rdssync, rdsfifolost;
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bool tp;
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u8 pty;
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u16 pi;
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u8 rdsfifoused;
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u8 ble[4];
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struct v4l2_rds_data rds[4];
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};
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struct si476x_rsq_status_args {
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bool primary;
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bool rsqack;
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bool attune;
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bool cancel;
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bool stcack;
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};
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enum si476x_injside {
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SI476X_INJSIDE_AUTO = 0,
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SI476X_INJSIDE_LOW = 1,
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SI476X_INJSIDE_HIGH = 2,
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};
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struct si476x_tune_freq_args {
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bool zifsr;
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bool hd;
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enum si476x_injside injside;
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int freq;
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enum si476x_tunemode tunemode;
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enum si476x_smoothmetrics smoothmetrics;
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int antcap;
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};
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int si476x_core_stop(struct si476x_core *, bool);
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int si476x_core_start(struct si476x_core *, bool);
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int si476x_core_set_power_state(struct si476x_core *, enum si476x_power_state);
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bool si476x_core_has_am(struct si476x_core *);
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bool si476x_core_has_diversity(struct si476x_core *);
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bool si476x_core_is_a_secondary_tuner(struct si476x_core *);
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bool si476x_core_is_a_primary_tuner(struct si476x_core *);
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bool si476x_core_is_in_am_receiver_mode(struct si476x_core *core);
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bool si476x_core_is_powered_up(struct si476x_core *core);
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enum si476x_i2c_type {
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SI476X_I2C_SEND,
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SI476X_I2C_RECV
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};
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int si476x_core_i2c_xfer(struct si476x_core *,
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enum si476x_i2c_type,
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char *, int);
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/* -------------------- si476x-cmd.c ----------------------- */
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int si476x_core_cmd_func_info(struct si476x_core *, struct si476x_func_info *);
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int si476x_core_cmd_set_property(struct si476x_core *, u16, u16);
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int si476x_core_cmd_get_property(struct si476x_core *, u16);
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int si476x_core_cmd_dig_audio_pin_cfg(struct si476x_core *,
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enum si476x_dclk_config,
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enum si476x_dfs_config,
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enum si476x_dout_config,
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enum si476x_xout_config);
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int si476x_core_cmd_zif_pin_cfg(struct si476x_core *,
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enum si476x_iqclk_config,
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enum si476x_iqfs_config,
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enum si476x_iout_config,
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enum si476x_qout_config);
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int si476x_core_cmd_ic_link_gpo_ctl_pin_cfg(struct si476x_core *,
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enum si476x_icin_config,
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enum si476x_icip_config,
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enum si476x_icon_config,
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enum si476x_icop_config);
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int si476x_core_cmd_ana_audio_pin_cfg(struct si476x_core *,
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enum si476x_lrout_config);
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int si476x_core_cmd_intb_pin_cfg(struct si476x_core *, enum si476x_intb_config,
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enum si476x_a1_config);
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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 */
|
||||
Loading…
Reference in New Issue