176b51aefa
- add support to copy *.ko to out dir - enable conditional compilation with config flags - enable CONFIG_BT_HW_SECURE_DISABLE with dependency on securemsm-kernel - re-enable compilation of bt_fm_slim with new headers - add fallthrough attribute btfm_slim_hw_interface.c - move BTFMSLIM_DEV_NAME to btfm_slim.h - add target.bzl file to define specific targets Change-Id: I7f7920870d81125f95b020ef33df77df3f937682 Signed-off-by: Franklin Abreu Bueno <quic_fabreu@quicinc.com>
177 regels
4.3 KiB
C
177 regels
4.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (c) 2016-2020, The Linux Foundation. All rights reserved.
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* Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
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*/
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#ifndef BTFM_SLIM_H
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#define BTFM_SLIM_H
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#include <linux/slimbus.h>
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#define BTFMSLIM_DBG(fmt, arg...) pr_debug("%s: " fmt "\n", __func__, ## arg)
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#define BTFMSLIM_INFO(fmt, arg...) pr_info("%s: " fmt "\n", __func__, ## arg)
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#define BTFMSLIM_ERR(fmt, arg...) pr_err("%s: " fmt "\n", __func__, ## arg)
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/* Vendor specific defines
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* This should redefines in slimbus slave specific header
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*/
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#define SLIM_SLAVE_COMPATIBLE_STR "btfmslim_slave"
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#define SLIM_SLAVE_REG_OFFSET 0x0000
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#define SLIM_SLAVE_RXPORT NULL
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#define SLIM_SLAVE_TXPORT NULL
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#define SLIM_SLAVE_INIT NULL
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#define SLIM_SLAVE_PORT_EN NULL
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/* Misc defines */
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#define SLIM_SLAVE_RW_MAX_TRIES 3
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#define SLIM_SLAVE_PRESENT_TIMEOUT 100
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#define PGD 1
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#define IFD 0
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#if IS_ENABLED(CONFIG_BTFM_SLIM)
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#define BTFMSLIM_DEV_NAME "btfmslim_slave"
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#else
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#define BTFMSLIM_DEV_NAME "btfmslim"
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#endif
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/* Codec driver defines */
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enum {
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BTFM_FM_SLIM_TX = 0,
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BTFM_BT_SCO_SLIM_TX,
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BTFM_BT_SCO_A2DP_SLIM_RX,
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BTFM_BT_SPLIT_A2DP_SLIM_RX,
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BTFM_SLIM_NUM_CODEC_DAIS
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};
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struct btfm_slim_codec_dai_data {
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struct slim_stream_config sconfig;
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struct slim_stream_runtime *sruntime;
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};
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struct btfmslim_ch {
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int id;
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char *name;
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uint16_t port; /* slimbus port number */
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uint8_t ch; /* slimbus channel number */
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struct btfm_slim_codec_dai_data dai;
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};
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/* Slimbus Port defines - This should be redefined in specific device file */
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#define BTFM_SLIM_PGD_PORT_LAST 0xFF
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struct btfmslim {
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struct device *dev;
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struct slim_device *slim_pgd; //Physical address
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struct slim_device slim_ifd; //Interface address
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struct mutex io_lock;
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struct mutex xfer_lock;
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uint8_t enabled;
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uint32_t num_rx_port;
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uint32_t num_tx_port;
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uint32_t sample_rate;
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uint32_t bps;
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uint16_t direction;
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struct btfmslim_ch *rx_chs;
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struct btfmslim_ch *tx_chs;
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int (*vendor_init)(struct btfmslim *btfmslim);
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int (*vendor_port_en)(struct btfmslim *btfmslim, uint8_t port_num,
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uint8_t rxport, uint8_t enable);
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#if IS_ENABLED(CONFIG_SLIM_BTFM_CODEC)
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int device_id;
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#endif
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};
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extern int btfm_feedback_ch_setting;
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/**
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* btfm_slim_hw_init: Initialize slimbus slave device
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* Returns:
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* 0: Success
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* else: Fail
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*/
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int btfm_slim_hw_init(struct btfmslim *btfmslim);
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/**
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* btfm_slim_hw_deinit: Deinitialize slimbus slave device
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* Returns:
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* 0: Success
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* else: Fail
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*/
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int btfm_slim_hw_deinit(struct btfmslim *btfmslim);
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/**
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* btfm_slim_write: write value to pgd or ifd device
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* @btfmslim: slimbus slave device data pointer.
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* @reg: slimbus slave register address
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* @reg_val: value to write at register address
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* @pgd: selection for device: either PGD or IFD
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* Returns:
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No of bytes written
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-1
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*/
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int btfm_slim_write(struct btfmslim *btfmslim,
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uint16_t reg, uint8_t reg_val, uint8_t pgd);
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/**
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* btfm_slim_read: read value from pgd or ifd device
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* @btfmslim: slimbus slave device data pointer.
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* @reg: slimbus slave register address
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* @dest: data pointer to read
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* @pgd: selection for device: either PGD or IFD
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* Returns:
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No of bytes read
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-1
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*/
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int btfm_slim_read(struct btfmslim *btfmslim,
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uint32_t reg, uint8_t pgd);
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/**
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* btfm_slim_enable_ch: enable channel for slimbus slave port
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* @btfmslim: slimbus slave device data pointer.
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* @ch: slimbus slave channel pointer
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* @rxport: rxport or txport
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* Returns:
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* -EINVAL
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* -ETIMEDOUT
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* -ENOMEM
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*/
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int btfm_slim_enable_ch(struct btfmslim *btfmslim,
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struct btfmslim_ch *ch, uint8_t rxport, uint32_t rates,
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uint8_t nchan);
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/**
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* btfm_slim_disable_ch: disable channel for slimbus slave port
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* @btfmslim: slimbus slave device data pointer.
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* @ch: slimbus slave channel pointer
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* @rxport: rxport or txport
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* @nChan: number of chaneels.
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* Returns:
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* -EINVAL
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* -ETIMEDOUT
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* -ENOMEM
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*/
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int btfm_slim_disable_ch(struct btfmslim *btfmslim,
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struct btfmslim_ch *ch, uint8_t rxport, uint8_t nchan);
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/**
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* btfm_slim_register_codec: Register codec driver in slimbus device node
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* @btfmslim: slimbus slave device data pointer.
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* Returns:
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* -ENOMEM
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* 0
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*/
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int btfm_slim_register_codec(struct btfmslim *btfmslim);
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/**
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* btfm_slim_unregister_codec: Unregister codec driver in slimbus device node
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* @dev: device node
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* Returns:
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* VOID
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*/
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void btfm_slim_unregister_codec(struct device *dev);
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#endif /* BTFM_SLIM_H */
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