forked from rrcarlosr/Jetpack
402 lines
11 KiB
C
402 lines
11 KiB
C
/*
|
|
* A Header file for managing ADSP/APE
|
|
*
|
|
* Copyright (c) 2014-2018, NVIDIA CORPORATION. All rights reserved.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms and conditions of the GNU General Public License,
|
|
* version 2, as published by the Free Software Foundation.
|
|
*
|
|
* This program is distributed in the hope 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 __LINUX_TEGRA_NVADSP_H
|
|
#define __LINUX_TEGRA_NVADSP_H
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/timer.h>
|
|
#include <linux/device.h>
|
|
#include <linux/wait.h>
|
|
#include <linux/spinlock.h>
|
|
#include <linux/completion.h>
|
|
#include <linux/dma-mapping.h>
|
|
#include <linux/list.h>
|
|
#include <linux/completion.h>
|
|
|
|
struct nvadsp_platform_data {
|
|
phys_addr_t co_pa;
|
|
unsigned long co_size;
|
|
};
|
|
|
|
typedef int status_t;
|
|
|
|
/*
|
|
* Shared Semaphores
|
|
*/
|
|
typedef struct {
|
|
int magic; /* 'ssem' */
|
|
uint8_t id;
|
|
wait_queue_head_t wait;
|
|
struct timer_list timer;
|
|
} nvadsp_shared_sema_t;
|
|
|
|
nvadsp_shared_sema_t *
|
|
nvadsp_shared_sema_init(uint8_t nvadsp_shared_sema_id);
|
|
status_t nvadsp_shared_sema_destroy(nvadsp_shared_sema_t *);
|
|
status_t nvadsp_shared_sema_acquire(nvadsp_shared_sema_t *);
|
|
status_t nvadsp_shared_sema_release(nvadsp_shared_sema_t *);
|
|
|
|
/*
|
|
* Arbitrated Semaphores
|
|
*/
|
|
typedef struct {
|
|
int magic; /* 'asem' */
|
|
uint8_t id;
|
|
wait_queue_head_t wait;
|
|
struct completion comp;
|
|
} nvadsp_arb_sema_t;
|
|
|
|
nvadsp_arb_sema_t *nvadsp_arb_sema_init(uint8_t nvadsp_arb_sema_id);
|
|
status_t nvadsp_arb_sema_destroy(nvadsp_arb_sema_t *);
|
|
status_t nvadsp_arb_sema_acquire(nvadsp_arb_sema_t *);
|
|
status_t nvadsp_arb_sema_release(nvadsp_arb_sema_t *);
|
|
|
|
/*
|
|
* Mailbox Queue
|
|
*/
|
|
#define NVADSP_MBOX_QUEUE_SIZE 32
|
|
#define NVADSP_MBOX_QUEUE_SIZE_MASK (NVADSP_MBOX_QUEUE_SIZE - 1)
|
|
struct nvadsp_mbox_queue {
|
|
uint32_t array[NVADSP_MBOX_QUEUE_SIZE];
|
|
uint16_t head;
|
|
uint16_t tail;
|
|
uint16_t count;
|
|
struct completion comp;
|
|
spinlock_t lock;
|
|
};
|
|
|
|
status_t nvadsp_mboxq_enqueue(struct nvadsp_mbox_queue *, uint32_t);
|
|
|
|
/*
|
|
* Mailbox
|
|
*/
|
|
#define NVADSP_MBOX_NAME_MAX 16
|
|
#define NVADSP_MBOX_NAME_MAX_STR (NVADSP_MBOX_NAME_MAX + 1)
|
|
|
|
typedef status_t (*nvadsp_mbox_handler_t)(uint32_t, void *);
|
|
|
|
struct nvadsp_mbox {
|
|
uint16_t id;
|
|
char name[NVADSP_MBOX_NAME_MAX_STR];
|
|
struct nvadsp_mbox_queue recv_queue;
|
|
nvadsp_mbox_handler_t handler;
|
|
#ifdef CONFIG_MBOX_ACK_HANDLER
|
|
nvadsp_mbox_handler_t ack_handler;
|
|
#endif
|
|
void *hdata;
|
|
};
|
|
|
|
#define NVADSP_MBOX_SMSG 0x1
|
|
#define NVADSP_MBOX_LMSG 0x2
|
|
|
|
status_t nvadsp_mbox_open(struct nvadsp_mbox *mbox, uint16_t *mid,
|
|
const char *name, nvadsp_mbox_handler_t handler,
|
|
void *hdata);
|
|
status_t nvadsp_mbox_send(struct nvadsp_mbox *mbox, uint32_t data,
|
|
uint32_t flags, bool block, unsigned int timeout);
|
|
status_t nvadsp_mbox_recv(struct nvadsp_mbox *mbox, uint32_t *data, bool block,
|
|
unsigned int timeout);
|
|
status_t nvadsp_mbox_close(struct nvadsp_mbox *mbox);
|
|
|
|
#ifdef CONFIG_MBOX_ACK_HANDLER
|
|
static inline void register_ack_handler(struct nvadsp_mbox *mbox,
|
|
nvadsp_mbox_handler_t handler)
|
|
{
|
|
mbox->ack_handler = handler;
|
|
}
|
|
#endif
|
|
|
|
/*
|
|
* Circular Message Queue
|
|
*/
|
|
typedef struct _msgq_message_t {
|
|
int32_t size; /* size of payload in words */
|
|
int32_t payload[1]; /* variable length payload */
|
|
} msgq_message_t;
|
|
|
|
#define MSGQ_MESSAGE_HEADER_SIZE \
|
|
(sizeof(msgq_message_t) - sizeof(((msgq_message_t *)0)->payload))
|
|
#define MSGQ_MESSAGE_HEADER_WSIZE \
|
|
(MSGQ_MESSAGE_HEADER_SIZE / sizeof(int32_t))
|
|
|
|
typedef struct _msgq_t {
|
|
int32_t size; /* queue size in words */
|
|
int32_t write_index; /* queue write index */
|
|
int32_t read_index; /* queue read index */
|
|
int32_t queue[1]; /* variable length queue */
|
|
} msgq_t;
|
|
|
|
#define MSGQ_HEADER_SIZE (sizeof(msgq_t) - sizeof(((msgq_t *)0)->queue))
|
|
#define MSGQ_HEADER_WSIZE (MSGQ_HEADER_SIZE / sizeof(int32_t))
|
|
#define MSGQ_MAX_QUEUE_WSIZE (8192 - MSGQ_HEADER_WSIZE)
|
|
#define MSGQ_MSG_WSIZE(x) \
|
|
(((sizeof(x) + sizeof(int32_t) - 1) & (~(sizeof(int32_t)-1))) >> 2)
|
|
#define MSGQ_MSG_PAYLOAD_WSIZE(x) \
|
|
(MSGQ_MSG_WSIZE(x) - MSGQ_MESSAGE_HEADER_WSIZE)
|
|
|
|
void msgq_init(msgq_t *msgq, int32_t size);
|
|
int32_t msgq_queue_message(msgq_t *msgq, const msgq_message_t *message);
|
|
int32_t msgq_dequeue_message(msgq_t *msgq, msgq_message_t *message);
|
|
#define msgq_discard_message(msgq) msgq_dequeue_message(msgq, NULL)
|
|
|
|
/*
|
|
* DRAM Sharing
|
|
*/
|
|
typedef dma_addr_t nvadsp_iova_addr_t;
|
|
typedef enum dma_data_direction nvadsp_data_direction_t;
|
|
|
|
nvadsp_iova_addr_t
|
|
nvadsp_dram_map_single(struct device *nvadsp_dev,
|
|
void *cpu_addr, size_t size,
|
|
nvadsp_data_direction_t direction);
|
|
void
|
|
nvadsp_dram_unmap_single(struct device *nvadsp_dev,
|
|
nvadsp_iova_addr_t iova_addr, size_t size,
|
|
nvadsp_data_direction_t direction);
|
|
|
|
nvadsp_iova_addr_t
|
|
nvadsp_dram_map_page(struct device *nvadsp_dev,
|
|
struct page *page, unsigned long offset, size_t size,
|
|
nvadsp_data_direction_t direction);
|
|
void
|
|
nvadsp_dram_unmap_page(struct device *nvadsp_dev,
|
|
nvadsp_iova_addr_t iova_addr, size_t size,
|
|
nvadsp_data_direction_t direction);
|
|
|
|
void
|
|
nvadsp_dram_sync_single_for_cpu(struct device *nvadsp_dev,
|
|
nvadsp_iova_addr_t iova_addr, size_t size,
|
|
nvadsp_data_direction_t direction);
|
|
void
|
|
nvadsp_dram_sync_single_for_device(struct device *nvadsp_dev,
|
|
nvadsp_iova_addr_t iova_addr, size_t size,
|
|
nvadsp_data_direction_t direction);
|
|
|
|
/*
|
|
* ADSP OS
|
|
*/
|
|
|
|
typedef const void *nvadsp_os_handle_t;
|
|
|
|
void nvadsp_adsp_init(void);
|
|
int __must_check nvadsp_os_load(void);
|
|
int __must_check nvadsp_os_start(void);
|
|
void nvadsp_os_stop(void);
|
|
int __must_check nvadsp_os_suspend(void);
|
|
void dump_adsp_sys(void);
|
|
void nvadsp_get_os_version(char *, int);
|
|
|
|
/*
|
|
* ADSP TSC
|
|
*/
|
|
uint64_t nvadsp_get_timestamp_counter(void);
|
|
|
|
/*
|
|
* ADSP OS App
|
|
*/
|
|
#define ARGV_SIZE_IN_WORDS 128
|
|
|
|
enum {
|
|
NVADSP_APP_STATE_UNKNOWN,
|
|
NVADSP_APP_STATE_INITIALIZED,
|
|
NVADSP_APP_STATE_STARTED,
|
|
NVADSP_APP_STATE_STOPPED
|
|
};
|
|
|
|
enum adsp_app_status_msg {
|
|
OS_LOAD_ADSP_APPS,
|
|
RUN_ADSP_APP,
|
|
ADSP_APP_INIT,
|
|
ADSP_APP_START,
|
|
ADSP_APP_START_STATUS,
|
|
ADSP_APP_COMPLETE_STATUS
|
|
};
|
|
|
|
struct nvadsp_app_info;
|
|
typedef const void *nvadsp_app_handle_t;
|
|
typedef void (*app_complete_status_notifier)(struct nvadsp_app_info *,
|
|
enum adsp_app_status_msg, int32_t);
|
|
|
|
typedef struct adsp_app_mem {
|
|
/* DRAM segment*/
|
|
void *dram;
|
|
/* DRAM in shared memory segment. uncached */
|
|
void *shared;
|
|
/* DRAM in shared memory segment. write combined */
|
|
void *shared_wc;
|
|
/* ARAM if available, DRAM OK */
|
|
void *aram;
|
|
/* set to 1 if ARAM allocation succeeded else 0 meaning allocated from
|
|
* dram.
|
|
*/
|
|
uint32_t aram_flag;
|
|
/* ARAM Segment. exclusively */
|
|
void *aram_x;
|
|
/* set to 1 if ARAM allocation succeeded */
|
|
uint32_t aram_x_flag;
|
|
} adsp_app_mem_t;
|
|
|
|
typedef struct adsp_app_iova_mem {
|
|
/* DRAM segment*/
|
|
uint32_t dram;
|
|
/* DRAM in shared memory segment. uncached */
|
|
uint32_t shared;
|
|
/* DRAM in shared memory segment. write combined */
|
|
uint32_t shared_wc;
|
|
/* ARAM if available, DRAM OK */
|
|
uint32_t aram;
|
|
/*
|
|
* set to 1 if ARAM allocation succeeded else 0 meaning allocated from
|
|
* dram.
|
|
*/
|
|
uint32_t aram_flag;
|
|
/* ARAM Segment. exclusively */
|
|
uint32_t aram_x;
|
|
/* set to 1 if ARAM allocation succeeded */
|
|
uint32_t aram_x_flag;
|
|
} adsp_app_iova_mem_t;
|
|
|
|
|
|
typedef struct nvadsp_app_args {
|
|
/* number of arguments passed in */
|
|
int32_t argc;
|
|
/* binary representation of arguments */
|
|
int32_t argv[ARGV_SIZE_IN_WORDS];
|
|
} nvadsp_app_args_t;
|
|
|
|
typedef struct nvadsp_app_info {
|
|
const char *name;
|
|
const int instance_id;
|
|
const uint32_t token;
|
|
const int state;
|
|
adsp_app_mem_t mem;
|
|
adsp_app_iova_mem_t iova_mem;
|
|
struct list_head node;
|
|
uint32_t stack_size;
|
|
const void *handle;
|
|
int return_status;
|
|
struct completion wait_for_app_complete;
|
|
struct completion wait_for_app_start;
|
|
app_complete_status_notifier complete_status_notifier;
|
|
struct work_struct complete_work;
|
|
enum adsp_app_status_msg status_msg;
|
|
void *priv;
|
|
} nvadsp_app_info_t;
|
|
|
|
nvadsp_app_handle_t __must_check nvadsp_app_load(const char *, const char *);
|
|
nvadsp_app_info_t __must_check *nvadsp_app_init(nvadsp_app_handle_t,
|
|
nvadsp_app_args_t *);
|
|
void nvadsp_app_unload(nvadsp_app_handle_t);
|
|
int __must_check nvadsp_app_start(nvadsp_app_info_t *);
|
|
int nvadsp_app_stop(nvadsp_app_info_t *);
|
|
int nvadsp_app_deinit(nvadsp_app_info_t *);
|
|
void *nvadsp_alloc_coherent(size_t, dma_addr_t *, gfp_t);
|
|
void nvadsp_free_coherent(size_t, void *, dma_addr_t);
|
|
nvadsp_app_info_t __must_check *nvadsp_run_app(nvadsp_os_handle_t, const char *,
|
|
nvadsp_app_args_t *, app_complete_status_notifier, uint32_t, bool);
|
|
void nvadsp_exit_app(nvadsp_app_info_t *app, bool terminate);
|
|
|
|
static inline void
|
|
set_app_complete_notifier(
|
|
nvadsp_app_info_t *info, app_complete_status_notifier notifier)
|
|
{
|
|
info->complete_status_notifier = notifier;
|
|
}
|
|
|
|
static inline void wait_for_nvadsp_app_complete(nvadsp_app_info_t *info)
|
|
{
|
|
/*
|
|
* wait_for_complete must be called only after app has started
|
|
*/
|
|
if (info->state == NVADSP_APP_STATE_STARTED)
|
|
wait_for_completion(&info->wait_for_app_complete);
|
|
}
|
|
|
|
/**
|
|
* wait_for_nvadsp_app_complete_timeout:
|
|
* @info: pointer to nvadsp_app_info_t
|
|
* @timeout: timeout value in jiffies
|
|
*
|
|
* This waits for either a completion of a specific app to be signaled or for a
|
|
* specified timeout to expire. It is interruptible. The timeout is in jiffies.
|
|
*
|
|
* The return value is -ERESTARTSYS if interrupted, 0 if timed out,
|
|
* positive (at least 1, or number of jiffies left till timeout) if completed.
|
|
*/
|
|
static inline long wait_for_nvadsp_app_complete_timeout(nvadsp_app_info_t *info,
|
|
unsigned long timeout)
|
|
{
|
|
int ret = -EINVAL;
|
|
/*
|
|
* wait_for_complete must be called only after app has started
|
|
*/
|
|
if (info->state == NVADSP_APP_STATE_STARTED)
|
|
ret = wait_for_completion_interruptible_timeout(
|
|
&info->wait_for_app_complete, timeout);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/*
|
|
* set adma reg dump callback function pointer
|
|
* @cb_adma_regdump: function pointer for callback
|
|
*
|
|
* This api is exported and can be accessed by adsp audio driver,
|
|
* which during adsp init, calls this api to set the callback
|
|
* function pointer
|
|
*/
|
|
void nvadsp_set_adma_dump_reg(void (*cb_adma_regdump)(void));
|
|
|
|
#ifdef CONFIG_TEGRA_ADSP_DFS
|
|
/*
|
|
* Override adsp freq and reinit actmon counters
|
|
*
|
|
* @params:
|
|
* freq: adsp freq in KHz
|
|
* return - final freq got set.
|
|
* - 0, incase of error.
|
|
*
|
|
*/
|
|
unsigned long adsp_override_freq(unsigned long freq);
|
|
void adsp_update_dfs_min_rate(unsigned long freq);
|
|
|
|
/* Enable / disable dynamic freq scaling */
|
|
void adsp_update_dfs(bool enable);
|
|
#else
|
|
static inline unsigned long adsp_override_freq(unsigned long freq)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void adsp_update_dfs_min_rate(unsigned long freq)
|
|
{
|
|
return;
|
|
}
|
|
|
|
static inline void adsp_update_dfs(bool enable)
|
|
{
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
void *nvadsp_aram_request(const char *name, size_t size);
|
|
bool nvadsp_aram_release(void *handle);
|
|
|
|
unsigned long nvadsp_aram_get_address(void *handle);
|
|
void nvadsp_aram_print(void);
|
|
|
|
#endif /* __LINUX_TEGRA_NVADSP_H */
|