From: Mauro Carvalho Chehab Date: Thu, 18 Apr 2013 23:52:33 +0000 (-0300) Subject: Revert "[media] mfd: Add the main bulk of core driver for SI476x code" X-Git-Tag: v5.15~17577^2~1953^2~1 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=9af5cc54c281d671b6ac3c52121a66a2c9c5c900;p=platform%2Fkernel%2Flinux-starfive.git Revert "[media] mfd: Add the main bulk of core driver for SI476x code" This reverts commit b40fe4f67de2c826868f408e03f2ef9fe39d85b9. Conflicts: drivers/mfd/si476x-i2c.c Requested-by: Samuel Ortiz Signed-off-by: Mauro Carvalho Chehab --- diff --git a/drivers/mfd/si476x-i2c.c b/drivers/mfd/si476x-i2c.c deleted file mode 100644 index f5bc8e4..0000000 --- a/drivers/mfd/si476x-i2c.c +++ /dev/null @@ -1,886 +0,0 @@ -/* - * drivers/mfd/si476x-i2c.c -- Core device driver for si476x MFD - * device - * - * Copyright (C) 2012 Innovative Converged Devices(ICD) - * Copyright (C) 2013 Andrey Smirnov - * - * 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. - * - */ -#include - -#include -#include -#include -#include -#include -#include -#include - -#include - -#define SI476X_MAX_IO_ERRORS 10 -#define SI476X_DRIVER_RDS_FIFO_DEPTH 128 - -/** - * si476x_core_config_pinmux() - pin function configuration function - * - * @core: Core device structure - * - * Configure the functions of the pins of the radio chip. - * - * The function returns zero in case of succes or negative error code - * otherwise. - */ -static int si476x_core_config_pinmux(struct si476x_core *core) -{ - int err; - dev_dbg(&core->client->dev, "Configuring pinmux\n"); - err = si476x_core_cmd_dig_audio_pin_cfg(core, - core->pinmux.dclk, - core->pinmux.dfs, - core->pinmux.dout, - core->pinmux.xout); - if (err < 0) { - dev_err(&core->client->dev, - "Failed to configure digital audio pins(err = %d)\n", - err); - return err; - } - - err = si476x_core_cmd_zif_pin_cfg(core, - core->pinmux.iqclk, - core->pinmux.iqfs, - core->pinmux.iout, - core->pinmux.qout); - if (err < 0) { - dev_err(&core->client->dev, - "Failed to configure ZIF pins(err = %d)\n", - err); - return err; - } - - err = si476x_core_cmd_ic_link_gpo_ctl_pin_cfg(core, - core->pinmux.icin, - core->pinmux.icip, - core->pinmux.icon, - core->pinmux.icop); - if (err < 0) { - dev_err(&core->client->dev, - "Failed to configure IC-Link/GPO pins(err = %d)\n", - err); - return err; - } - - err = si476x_core_cmd_ana_audio_pin_cfg(core, - core->pinmux.lrout); - if (err < 0) { - dev_err(&core->client->dev, - "Failed to configure analog audio pins(err = %d)\n", - err); - return err; - } - - err = si476x_core_cmd_intb_pin_cfg(core, - core->pinmux.intb, - core->pinmux.a1); - if (err < 0) { - dev_err(&core->client->dev, - "Failed to configure interrupt pins(err = %d)\n", - err); - return err; - } - - return 0; -} - -static inline void si476x_core_schedule_polling_work(struct si476x_core *core) -{ - schedule_delayed_work(&core->status_monitor, - usecs_to_jiffies(SI476X_STATUS_POLL_US)); -} - -/** - * si476x_core_start() - early chip startup function - * @core: Core device structure - * @soft: When set, this flag forces "soft" startup, where "soft" - * power down is the one done by sending appropriate command instead - * of using reset pin of the tuner - * - * Perform required startup sequence to correctly power - * up the chip and perform initial configuration. It does the - * following sequence of actions: - * 1. Claims and enables the power supplies VD and VIO1 required - * for I2C interface of the chip operation. - * 2. Waits for 100us, pulls the reset line up, enables irq, - * waits for another 100us as it is specified by the - * datasheet. - * 3. Sends 'POWER_UP' command to the device with all provided - * information about power-up parameters. - * 4. Configures, pin multiplexor, disables digital audio and - * configures interrupt sources. - * - * The function returns zero in case of succes or negative error code - * otherwise. - */ -int si476x_core_start(struct si476x_core *core, bool soft) -{ - struct i2c_client *client = core->client; - int err; - - if (!soft) { - if (gpio_is_valid(core->gpio_reset)) - gpio_set_value_cansleep(core->gpio_reset, 1); - - if (client->irq) - enable_irq(client->irq); - - udelay(100); - - if (!client->irq) { - atomic_set(&core->is_alive, 1); - si476x_core_schedule_polling_work(core); - } - } else { - if (client->irq) - enable_irq(client->irq); - else { - atomic_set(&core->is_alive, 1); - si476x_core_schedule_polling_work(core); - } - } - - err = si476x_core_cmd_power_up(core, - &core->power_up_parameters); - - if (err < 0) { - dev_err(&core->client->dev, - "Power up failure(err = %d)\n", - err); - goto disable_irq; - } - - if (client->irq) - atomic_set(&core->is_alive, 1); - - err = si476x_core_config_pinmux(core); - if (err < 0) { - dev_err(&core->client->dev, - "Failed to configure pinmux(err = %d)\n", - err); - goto disable_irq; - } - - if (client->irq) { - err = regmap_write(core->regmap, - SI476X_PROP_INT_CTL_ENABLE, - SI476X_RDSIEN | - SI476X_STCIEN | - SI476X_CTSIEN); - if (err < 0) { - dev_err(&core->client->dev, - "Failed to configure interrupt sources" - "(err = %d)\n", err); - goto disable_irq; - } - } - - return 0; - -disable_irq: - if (err == -ENODEV) - atomic_set(&core->is_alive, 0); - - if (client->irq) - disable_irq(client->irq); - else - cancel_delayed_work_sync(&core->status_monitor); - - if (gpio_is_valid(core->gpio_reset)) - gpio_set_value_cansleep(core->gpio_reset, 0); - - return err; -} -EXPORT_SYMBOL_GPL(si476x_core_start); - -/** - * si476x_core_stop() - chip power-down function - * @core: Core device structure - * @soft: When set, function sends a POWER_DOWN command instead of - * bringing reset line low - * - * Power down the chip by performing following actions: - * 1. Disable IRQ or stop the polling worker - * 2. Send the POWER_DOWN command if the power down is soft or bring - * reset line low if not. - * - * The function returns zero in case of succes or negative error code - * otherwise. - */ -int si476x_core_stop(struct si476x_core *core, bool soft) -{ - int err = 0; - atomic_set(&core->is_alive, 0); - - if (soft) { - /* TODO: This probably shoud be a configurable option, - * so it is possible to have the chips keep their - * oscillators running - */ - struct si476x_power_down_args args = { - .xosc = false, - }; - err = si476x_core_cmd_power_down(core, &args); - } - - /* We couldn't disable those before - * 'si476x_core_cmd_power_down' since we expect to get CTS - * interrupt */ - if (core->client->irq) - disable_irq(core->client->irq); - else - cancel_delayed_work_sync(&core->status_monitor); - - if (!soft) { - if (gpio_is_valid(core->gpio_reset)) - gpio_set_value_cansleep(core->gpio_reset, 0); - } - return err; -} -EXPORT_SYMBOL_GPL(si476x_core_stop); - -/** - * si476x_core_set_power_state() - set the level at which the power is - * supplied for the chip. - * @core: Core device structure - * @next_state: enum si476x_power_state describing power state to - * switch to. - * - * Switch on all the required power supplies - * - * This function returns 0 in case of suvccess and negative error code - * otherwise. - */ -int si476x_core_set_power_state(struct si476x_core *core, - enum si476x_power_state next_state) -{ - /* - It is not clear form the datasheet if it is possible to - work with device if not all power domains are operational. - So for now the power-up policy is "power-up all the things!" - */ - int err = 0; - - if (core->power_state == SI476X_POWER_INCONSISTENT) { - dev_err(&core->client->dev, - "The device in inconsistent power state\n"); - return -EINVAL; - } - - if (next_state != core->power_state) { - switch (next_state) { - case SI476X_POWER_UP_FULL: - err = regulator_bulk_enable(ARRAY_SIZE(core->supplies), - core->supplies); - if (err < 0) { - core->power_state = SI476X_POWER_INCONSISTENT; - break; - } - /* - * Startup timing diagram recommends to have a - * 100 us delay between enabling of the power - * supplies and turning the tuner on. - */ - udelay(100); - - err = si476x_core_start(core, false); - if (err < 0) - goto disable_regulators; - - core->power_state = next_state; - break; - - case SI476X_POWER_DOWN: - core->power_state = next_state; - err = si476x_core_stop(core, false); - if (err < 0) - core->power_state = SI476X_POWER_INCONSISTENT; -disable_regulators: - err = regulator_bulk_disable(ARRAY_SIZE(core->supplies), - core->supplies); - if (err < 0) - core->power_state = SI476X_POWER_INCONSISTENT; - break; - default: - BUG(); - } - } - - return err; -} -EXPORT_SYMBOL_GPL(si476x_core_set_power_state); - -/** - * si476x_core_report_drainer_stop() - mark the completion of the RDS - * buffer drain porcess by the worker. - * - * @core: Core device structure - */ -static inline void si476x_core_report_drainer_stop(struct si476x_core *core) -{ - mutex_lock(&core->rds_drainer_status_lock); - core->rds_drainer_is_working = false; - mutex_unlock(&core->rds_drainer_status_lock); -} - -/** - * si476x_core_start_rds_drainer_once() - start RDS drainer worker if - * ther is none working, do nothing otherwise - * - * @core: Datastructure corresponding to the chip. - */ -static inline void si476x_core_start_rds_drainer_once(struct si476x_core *core) -{ - mutex_lock(&core->rds_drainer_status_lock); - if (!core->rds_drainer_is_working) { - core->rds_drainer_is_working = true; - schedule_work(&core->rds_fifo_drainer); - } - mutex_unlock(&core->rds_drainer_status_lock); -} -/** - * si476x_drain_rds_fifo() - RDS buffer drainer. - * @work: struct work_struct being ppassed to the function by the - * kernel. - * - * Drain the contents of the RDS FIFO of - */ -static void si476x_core_drain_rds_fifo(struct work_struct *work) -{ - int err; - - struct si476x_core *core = container_of(work, struct si476x_core, - rds_fifo_drainer); - - struct si476x_rds_status_report report; - - si476x_core_lock(core); - err = si476x_core_cmd_fm_rds_status(core, true, false, false, &report); - if (!err) { - int i = report.rdsfifoused; - dev_dbg(&core->client->dev, - "%d elements in RDS FIFO. Draining.\n", i); - for (; i > 0; --i) { - err = si476x_core_cmd_fm_rds_status(core, false, false, - (i == 1), &report); - if (err < 0) - goto unlock; - - kfifo_in(&core->rds_fifo, report.rds, - sizeof(report.rds)); - dev_dbg(&core->client->dev, "RDS data:\n %*ph\n", - (int)sizeof(report.rds), report.rds); - } - dev_dbg(&core->client->dev, "Drrrrained!\n"); - wake_up_interruptible(&core->rds_read_queue); - } - -unlock: - si476x_core_unlock(core); - si476x_core_report_drainer_stop(core); -} - -/** - * si476x_core_pronounce_dead() - * - * @core: Core device structure - * - * Mark the device as being dead and wake up all potentially waiting - * threads of execution. - * - */ -static void si476x_core_pronounce_dead(struct si476x_core *core) -{ - dev_info(&core->client->dev, "Core device is dead.\n"); - - atomic_set(&core->is_alive, 0); - - /* Wake up al possible waiting processes */ - wake_up_interruptible(&core->rds_read_queue); - - atomic_set(&core->cts, 1); - wake_up(&core->command); - - atomic_set(&core->stc, 1); - wake_up(&core->tuning); -} - -/** - * si476x_core_i2c_xfer() - * - * @core: Core device structure - * @type: Transfer type - * @buf: Transfer buffer for/with data - * @count: Transfer buffer size - * - * Perfrom and I2C transfer(either read or write) and keep a counter - * of I/O errors. If the error counter rises above the threshold - * pronounce device dead. - * - * The function returns zero on succes or negative error code on - * failure. - */ -int si476x_core_i2c_xfer(struct si476x_core *core, - enum si476x_i2c_type type, - char *buf, int count) -{ - static int io_errors_count; - int err; - if (type == SI476X_I2C_SEND) - err = i2c_master_send(core->client, buf, count); - else - err = i2c_master_recv(core->client, buf, count); - - if (err < 0) { - if (io_errors_count++ > SI476X_MAX_IO_ERRORS) - si476x_core_pronounce_dead(core); - } else { - io_errors_count = 0; - } - - return err; -} -EXPORT_SYMBOL_GPL(si476x_core_i2c_xfer); - -/** - * si476x_get_status() - * @core: Core device structure - * - * Get the status byte of the core device by berforming one byte I2C - * read. - * - * The function returns a status value or a negative error code on - * error. - */ -static int si476x_core_get_status(struct si476x_core *core) -{ - u8 response; - int err = si476x_core_i2c_xfer(core, SI476X_I2C_RECV, - &response, sizeof(response)); - - return (err < 0) ? err : response; -} - -/** - * si476x_get_and_signal_status() - IRQ dispatcher - * @core: Core device structure - * - * Dispatch the arrived interrupt request based on the value of the - * status byte reported by the tuner. - * - */ -static void si476x_core_get_and_signal_status(struct si476x_core *core) -{ - int status = si476x_core_get_status(core); - if (status < 0) { - dev_err(&core->client->dev, "Failed to get status\n"); - return; - } - - if (status & SI476X_CTS) { - /* Unfortunately completions could not be used for - * signalling CTS since this flag cannot be cleared - * in status byte, and therefore once it becomes true - * multiple calls to 'complete' would cause the - * commands following the current one to be completed - * before they actually are */ - dev_dbg(&core->client->dev, "[interrupt] CTSINT\n"); - atomic_set(&core->cts, 1); - wake_up(&core->command); - } - - if (status & SI476X_FM_RDS_INT) { - dev_dbg(&core->client->dev, "[interrupt] RDSINT\n"); - si476x_core_start_rds_drainer_once(core); - } - - if (status & SI476X_STC_INT) { - dev_dbg(&core->client->dev, "[interrupt] STCINT\n"); - atomic_set(&core->stc, 1); - wake_up(&core->tuning); - } -} - -static void si476x_core_poll_loop(struct work_struct *work) -{ - struct si476x_core *core = SI476X_WORK_TO_CORE(work); - - si476x_core_get_and_signal_status(core); - - if (atomic_read(&core->is_alive)) - si476x_core_schedule_polling_work(core); -} - -static irqreturn_t si476x_core_interrupt(int irq, void *dev) -{ - struct si476x_core *core = dev; - - si476x_core_get_and_signal_status(core); - - return IRQ_HANDLED; -} - -/** - * si476x_firmware_version_to_revision() - * @core: Core device structure - * @major: Firmware major number - * @minor1: Firmware first minor number - * @minor2: Firmware second minor number - * - * Convert a chip's firmware version number into an offset that later - * will be used to as offset in "vtable" of tuner functions - * - * This function returns a positive offset in case of success and a -1 - * in case of failure. - */ -static int si476x_core_fwver_to_revision(struct si476x_core *core, - int func, int major, - int minor1, int minor2) -{ - switch (func) { - case SI476X_FUNC_FM_RECEIVER: - switch (major) { - case 5: - return SI476X_REVISION_A10; - case 8: - return SI476X_REVISION_A20; - case 10: - return SI476X_REVISION_A30; - default: - goto unknown_revision; - } - case SI476X_FUNC_AM_RECEIVER: - switch (major) { - case 5: - return SI476X_REVISION_A10; - case 7: - return SI476X_REVISION_A20; - case 9: - return SI476X_REVISION_A30; - default: - goto unknown_revision; - } - case SI476X_FUNC_WB_RECEIVER: - switch (major) { - case 3: - return SI476X_REVISION_A10; - case 5: - return SI476X_REVISION_A20; - case 7: - return SI476X_REVISION_A30; - default: - goto unknown_revision; - } - case SI476X_FUNC_BOOTLOADER: - default: /* FALLTHROUG */ - BUG(); - return -1; - } - -unknown_revision: - dev_err(&core->client->dev, - "Unsupported version of the firmware: %d.%d.%d, " - "reverting to A10 comptible functions\n", - major, minor1, minor2); - - return SI476X_REVISION_A10; -} - -/** - * si476x_get_revision_info() - * @core: Core device structure - * - * Get the firmware version number of the device. It is done in - * following three steps: - * 1. Power-up the device - * 2. Send the 'FUNC_INFO' command - * 3. Powering the device down. - * - * The function return zero on success and a negative error code on - * failure. - */ -static int si476x_core_get_revision_info(struct si476x_core *core) -{ - int rval; - struct si476x_func_info info; - - si476x_core_lock(core); - rval = si476x_core_set_power_state(core, SI476X_POWER_UP_FULL); - if (rval < 0) - goto exit; - - rval = si476x_core_cmd_func_info(core, &info); - if (rval < 0) - goto power_down; - - core->revision = si476x_core_fwver_to_revision(core, info.func, - info.firmware.major, - info.firmware.minor[0], - info.firmware.minor[1]); -power_down: - si476x_core_set_power_state(core, SI476X_POWER_DOWN); -exit: - si476x_core_unlock(core); - - return rval; -} - -bool si476x_core_has_am(struct si476x_core *core) -{ - return core->chip_id == SI476X_CHIP_SI4761 || - core->chip_id == SI476X_CHIP_SI4764; -} -EXPORT_SYMBOL_GPL(si476x_core_has_am); - -bool si476x_core_has_diversity(struct si476x_core *core) -{ - return core->chip_id == SI476X_CHIP_SI4764; -} -EXPORT_SYMBOL_GPL(si476x_core_has_diversity); - -bool si476x_core_is_a_secondary_tuner(struct si476x_core *core) -{ - return si476x_core_has_diversity(core) && - (core->diversity_mode == SI476X_PHDIV_SECONDARY_ANTENNA || - core->diversity_mode == SI476X_PHDIV_SECONDARY_COMBINING); -} -EXPORT_SYMBOL_GPL(si476x_core_is_a_secondary_tuner); - -bool si476x_core_is_a_primary_tuner(struct si476x_core *core) -{ - return si476x_core_has_diversity(core) && - (core->diversity_mode == SI476X_PHDIV_PRIMARY_ANTENNA || - core->diversity_mode == SI476X_PHDIV_PRIMARY_COMBINING); -} -EXPORT_SYMBOL_GPL(si476x_core_is_a_primary_tuner); - -bool si476x_core_is_in_am_receiver_mode(struct si476x_core *core) -{ - return si476x_core_has_am(core) && - (core->power_up_parameters.func == SI476X_FUNC_AM_RECEIVER); -} -EXPORT_SYMBOL_GPL(si476x_core_is_in_am_receiver_mode); - -bool si476x_core_is_powered_up(struct si476x_core *core) -{ - return core->power_state == SI476X_POWER_UP_FULL; -} -EXPORT_SYMBOL_GPL(si476x_core_is_powered_up); - -static int si476x_core_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - int rval; - struct si476x_core *core; - struct si476x_platform_data *pdata; - struct mfd_cell *cell; - int cell_num; - - core = devm_kzalloc(&client->dev, sizeof(*core), GFP_KERNEL); - if (!core) { - dev_err(&client->dev, - "failed to allocate 'struct si476x_core'\n"); - return -ENOMEM; - } - core->client = client; - - core->regmap = devm_regmap_init_si476x(core); - if (IS_ERR(core->regmap)) { - rval = PTR_ERR(core->regmap); - dev_err(&client->dev, - "Failed to allocate register map: %d\n", - rval); - return rval; - } - - i2c_set_clientdata(client, core); - - atomic_set(&core->is_alive, 0); - core->power_state = SI476X_POWER_DOWN; - - pdata = client->dev.platform_data; - if (pdata) { - memcpy(&core->power_up_parameters, - &pdata->power_up_parameters, - sizeof(core->power_up_parameters)); - - core->gpio_reset = -1; - if (gpio_is_valid(pdata->gpio_reset)) { - rval = gpio_request(pdata->gpio_reset, "si476x reset"); - if (rval) { - dev_err(&client->dev, - "Failed to request gpio: %d\n", rval); - return rval; - } - core->gpio_reset = pdata->gpio_reset; - gpio_direction_output(core->gpio_reset, 0); - } - - core->diversity_mode = pdata->diversity_mode; - memcpy(&core->pinmux, &pdata->pinmux, - sizeof(struct si476x_pinmux)); - } else { - dev_err(&client->dev, "No platform data provided\n"); - return -EINVAL; - } - - core->supplies[0].supply = "vd"; - core->supplies[1].supply = "va"; - core->supplies[2].supply = "vio1"; - core->supplies[3].supply = "vio2"; - - rval = devm_regulator_bulk_get(&client->dev, - ARRAY_SIZE(core->supplies), - core->supplies); - if (rval) { - dev_err(&client->dev, "Failet to gett all of the regulators\n"); - goto free_gpio; - } - - mutex_init(&core->cmd_lock); - init_waitqueue_head(&core->command); - init_waitqueue_head(&core->tuning); - - rval = kfifo_alloc(&core->rds_fifo, - SI476X_DRIVER_RDS_FIFO_DEPTH * - sizeof(struct v4l2_rds_data), - GFP_KERNEL); - if (rval) { - dev_err(&client->dev, "Could not alloate the FIFO\n"); - goto free_gpio; - } - mutex_init(&core->rds_drainer_status_lock); - init_waitqueue_head(&core->rds_read_queue); - INIT_WORK(&core->rds_fifo_drainer, si476x_core_drain_rds_fifo); - - if (client->irq) { - rval = devm_request_threaded_irq(&client->dev, - client->irq, NULL, - si476x_core_interrupt, - IRQF_TRIGGER_FALLING, - client->name, core); - if (rval < 0) { - dev_err(&client->dev, "Could not request IRQ %d\n", - client->irq); - goto free_kfifo; - } - disable_irq(client->irq); - dev_dbg(&client->dev, "IRQ requested.\n"); - - core->rds_fifo_depth = 20; - } else { - INIT_DELAYED_WORK(&core->status_monitor, - si476x_core_poll_loop); - dev_info(&client->dev, - "No IRQ number specified, will use polling\n"); - - core->rds_fifo_depth = 5; - } - - core->chip_id = id->driver_data; - - rval = si476x_core_get_revision_info(core); - if (rval < 0) { - rval = -ENODEV; - goto free_kfifo; - } - - cell_num = 0; - - cell = &core->cells[SI476X_RADIO_CELL]; - cell->name = "si476x-radio"; - cell_num++; - -#ifdef CONFIG_SND_SOC_SI476X - if ((core->chip_id == SI476X_CHIP_SI4761 || - core->chip_id == SI476X_CHIP_SI4764) && - core->pinmux.dclk == SI476X_DCLK_DAUDIO && - core->pinmux.dfs == SI476X_DFS_DAUDIO && - core->pinmux.dout == SI476X_DOUT_I2S_OUTPUT && - core->pinmux.xout == SI476X_XOUT_TRISTATE) { - cell = &core->cells[SI476X_CODEC_CELL]; - cell->name = "si476x-codec"; - cell_num++; - } -#endif - rval = mfd_add_devices(&client->dev, - (client->adapter->nr << 8) + client->addr, - core->cells, cell_num, - NULL, 0, NULL); - if (!rval) - return 0; - -free_kfifo: - kfifo_free(&core->rds_fifo); - -free_gpio: - if (gpio_is_valid(core->gpio_reset)) - gpio_free(core->gpio_reset); - - return rval; -} - -static int si476x_core_remove(struct i2c_client *client) -{ - struct si476x_core *core = i2c_get_clientdata(client); - - si476x_core_pronounce_dead(core); - mfd_remove_devices(&client->dev); - - if (client->irq) - disable_irq(client->irq); - else - cancel_delayed_work_sync(&core->status_monitor); - - kfifo_free(&core->rds_fifo); - - if (gpio_is_valid(core->gpio_reset)) - gpio_free(core->gpio_reset); - - return 0; -} - - -static const struct i2c_device_id si476x_id[] = { - { "si4761", SI476X_CHIP_SI4761 }, - { "si4764", SI476X_CHIP_SI4764 }, - { "si4768", SI476X_CHIP_SI4768 }, - { }, -}; -MODULE_DEVICE_TABLE(i2c, si476x_id); - -static struct i2c_driver si476x_core_driver = { - .driver = { - .name = "si476x-core", - .owner = THIS_MODULE, - }, - .probe = si476x_core_probe, - .remove = si476x_core_remove, - .id_table = si476x_id, -}; -module_i2c_driver(si476x_core_driver); - - -MODULE_AUTHOR("Andrey Smirnov "); -MODULE_DESCRIPTION("Si4761/64/68 AM/FM MFD core device driver"); -MODULE_LICENSE("GPL");