897ecff742
This change add supports in both btfmcodec and soundwire to support btfmcodec driver has interface. Change-Id: I2e77afaea44778147b362175aae33961dcc5042e Signed-off-by: Balakrishna Godavarthi <quic_bgodavar@quicinc.com>
109 行
3.1 KiB
C
109 行
3.1 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
|
|
/*
|
|
* Copyright (c) 2023 Qualcomm Innovation Center, Inc. All rights reserved.
|
|
*/
|
|
|
|
#ifndef __LINUX_BTFM_CODEC_H
|
|
#define __LINUX_BTFM_CODEC_H
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/bitops.h>
|
|
#include <linux/printk.h>
|
|
#include <linux/cdev.h>
|
|
#include <linux/skbuff.h>
|
|
#include "btfm_codec_hw_interface.h"
|
|
|
|
#define BTM_BTFMCODEC_DEFAULT_LOG_LVL 0x03
|
|
#define BTM_BTFMCODEC_DEBUG_LOG_LVL 0x04
|
|
#define BTM_BTFMCODEC_INFO_LOG_LVL 0x08
|
|
|
|
static uint8_t log_lvl = BTM_BTFMCODEC_DEFAULT_LOG_LVL;
|
|
|
|
#define BTFMCODEC_ERR(fmt, arg...) pr_err("%s: " fmt "\n", __func__, ## arg)
|
|
#define BTFMCODEC_WARN(fmt, arg...) pr_warn("%s: " fmt "\n", __func__, ## arg)
|
|
#define BTFMCODEC_DBG(fmt, arg...) { if(log_lvl >= BTM_BTFMCODEC_DEBUG_LOG_LVL) \
|
|
pr_err("%s: " fmt "\n", __func__, ## arg); \
|
|
else \
|
|
pr_debug("%s: " fmt "\n", __func__, ## arg); \
|
|
}
|
|
#define BTFMCODEC_INFO(fmt, arg...) { if(log_lvl >= BTM_BTFMCODEC_INFO_LOG_LVL) \
|
|
pr_err("%s: " fmt "\n", __func__, ## arg);\
|
|
else \
|
|
pr_info("%s: " fmt "\n", __func__, ## arg);\
|
|
}
|
|
|
|
#define DEVICE_NAME_MAX_LEN 64
|
|
#define BTM_CP_UPDATE 0xbfaf
|
|
|
|
typedef enum btfmcodec_states {
|
|
/*Default state of kernel proxy driver */
|
|
IDLE = 0,
|
|
/* Waiting for BT bearer indication after configuring HW ports */
|
|
BT_Connecting = 1,
|
|
/* When BT is active transport */
|
|
BT_Connected = 2,
|
|
/* Waiting for BTADV Audio bearer switch indications */
|
|
BTADV_AUDIO_Connecting = 3,
|
|
/* When BTADV audio is active transport */
|
|
BTADV_AUDIO_Connected = 4
|
|
} btfmcodec_state;
|
|
|
|
enum btfm_pkt_type {
|
|
BTM_PKT_TYPE_PREPARE_REQ = 0,
|
|
BTM_PKT_TYPE_MASTER_CONFIG_RSP,
|
|
BTM_PKT_TYPE_MASTER_SHUTDOWN_RSP,
|
|
BTM_PKT_TYPE_BEARER_SWITCH_IND,
|
|
BTM_PKT_TYPE_HWEP_SHUTDOWN,
|
|
BTM_PKT_TYPE_HWEP_CONFIG,
|
|
BTM_PKT_TYPE_DMA_CONFIG_RSP,
|
|
BTM_PKT_TYPE_MAX,
|
|
};
|
|
|
|
|
|
char *coverttostring(enum btfmcodec_states);
|
|
struct btfmcodec_state_machine {
|
|
struct mutex state_machine_lock;
|
|
btfmcodec_state prev_state;
|
|
btfmcodec_state current_state;
|
|
btfmcodec_state next_state;
|
|
};
|
|
|
|
struct btfmcodec_char_device {
|
|
struct cdev cdev;
|
|
refcount_t active_clients;
|
|
struct mutex lock;
|
|
int reuse_minor;
|
|
char dev_name[DEVICE_NAME_MAX_LEN];
|
|
struct workqueue_struct *workqueue;
|
|
struct sk_buff_head rxq;
|
|
struct work_struct rx_work;
|
|
struct work_struct wq_hwep_shutdown;
|
|
struct work_struct wq_prepare_bearer;
|
|
struct work_struct wq_hwep_configure;
|
|
wait_queue_head_t readq;
|
|
spinlock_t tx_queue_lock;
|
|
struct sk_buff_head txq;
|
|
wait_queue_head_t rsp_wait_q[BTM_PKT_TYPE_MAX];
|
|
uint8_t status[BTM_PKT_TYPE_MAX];
|
|
void *btfmcodec;
|
|
};
|
|
|
|
struct adsp_notifier {
|
|
void *notifier;
|
|
struct notifier_block nb;
|
|
};
|
|
|
|
struct btfmcodec_data {
|
|
struct device dev;
|
|
struct btfmcodec_state_machine states;
|
|
struct btfmcodec_char_device *btfmcodec_dev;
|
|
struct hwep_data *hwep_info;
|
|
struct list_head config_head;
|
|
struct adsp_notifier notifier;
|
|
struct mutex hwep_drv_lock;
|
|
};
|
|
|
|
struct btfmcodec_data *btfm_get_btfmcodec(void);
|
|
bool isCpSupported(void);
|
|
#endif /*__LINUX_BTFM_CODEC_H */
|