Jetpack/kernel/nvidia/drivers/platform/tegra/nvadsp/os.h

197 lines
5.3 KiB
C

/*
* os.h
*
* A header file containing data structures shared with ADSP OS
*
* Copyright (C) 2014-2018 NVIDIA Corporation. All rights reserved.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* 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.
*
*/
#ifndef __TEGRA_NVADSP_OS_H
#define __TEGRA_NVADSP_OS_H
#include <linux/firmware.h>
#include "adsp_shared_struct.h"
#include "dev.h"
#define CONFIG_ADSP_DRAM_LOG_WITH_TAG 1
/* enable profiling of load init start */
#define RECORD_STATS 0
#define SYM_NAME_SZ 128
#define AMC_EVP_RESET_VEC_0 0x700
#define AMC_EVP_UNDEF_VEC_0 0x704
#define AMC_EVP_SWI_VEC_0 0x708
#define AMC_EVP_PREFETCH_ABORT_VEC_0 0x70c
#define AMC_EVP_DATA_ABORT_VEC_0 0x710
#define AMC_EVP_RSVD_VEC_0 0x714
#define AMC_EVP_IRQ_VEC_0 0x718
#define AMC_EVP_FIQ_VEC_0 0x71c
#define AMC_EVP_RESET_ADDR_0 0x720
#define AMC_EVP_UNDEF_ADDR_0 0x724
#define AMC_EVP_SWI_ADDR_0 0x728
#define AMC_EVP_PREFETCH_ABORT_ADDR_0 0x72c
#define AMC_EVP_DATA_ABORT_ADDR_0 0x730
#define AMC_EVP_RSVD_ADDR_0 0x734
#define AMC_EVP_IRQ_ADDR_0 0x738
#define AMC_EVP_FIQ_ADDR_0 0x73c
#define AMC_EVP_SIZE (AMC_EVP_FIQ_ADDR_0 - AMC_EVP_RESET_VEC_0 + 4)
#define AMC_EVP_WSIZE (AMC_EVP_SIZE >> 2)
#define OS_LOAD_TIMEOUT 5000 /* ms */
#define ADSP_COM_MBOX_ID 2
#define MIN_ADSP_FREQ 38400000lu /* in Hz */
/* macros used to find the current mode of ADSP */
#define MODE_MASK 0x1f
#define MODE_USR 0x10
#define MODE_FIQ 0x11
#define MODE_IRQ 0x12
#define MODE_SVC 0x13
#define MODE_MON 0x16
#define MODE_ABT 0x17
#define MODE_UND 0x1b
#define MODE_SYS 0x1f
/*
* ADSP OS Config
*
* DECOMPRESS (Bit 0) : Set if ADSP FW needs to be decompressed
* VIRT CONFIG (Bit 1) : Set if virtualized configuration
* DMA PAGE (Bits 7:4) : Contains DMA page information
*/
#define ADSP_CONFIG_DECOMPRESS_SHIFT 0
#define ADSP_CONFIG_DECOMPRESS_EN 1
#define ADSP_CONFIG_DECOMPRESS_MASK (1 << ADSP_CONFIG_DECOMPRESS_SHIFT)
#define ADSP_CONFIG_VIRT_SHIFT 1
#define ADSP_CONFIG_VIRT_EN 1
#define ADSP_CONFIG_VIRT_MASK (1 << ADSP_CONFIG_VIRT_SHIFT)
#define ADSP_CONFIG_DMA_PAGE_SHIFT 4
#define ADSP_CONFIG_DMA_PAGE_MASK (0xF << ADSP_CONFIG_DMA_PAGE_SHIFT)
enum adsp_os_cmd {
ADSP_OS_BOOT_COMPLETE,
ADSP_OS_SUSPEND,
ADSP_OS_RESUME,
};
#if RECORD_STATS
#define RECORD_STAT(x) \
(x = ktime_to_ns(ktime_get()) - x)
#define EQUATE_STAT(x, y) \
(x = y)
#define RECORD_TIMESTAMP(x) \
(x = nvadsp_get_timestamp_counter())
#else
#define RECORD_STAT(x)
#define EQUATE_STAT(x, y)
#define RECORD_TIMESTAMP(x)
#endif
/**
* struct global_sym_info - Global Symbol information required by app loader.
* @name: Name of the symbol
* @addr: Address of the symbol
* @info: Type and binding attributes
*/
struct global_sym_info {
char name[SYM_NAME_SZ];
uint32_t addr;
unsigned char info;
};
struct adsp_module {
const char *name;
void *handle;
void *module_ptr;
uint32_t adsp_module_ptr;
size_t size;
const struct app_mem_size mem_size;
bool dynamic;
char version[16];
};
struct app_load_stats {
s64 ns_time_load;
s64 ns_time_service_parse;
s64 ns_time_module_load;
s64 ns_time_req_firmware;
s64 ns_time_layout;
s64 ns_time_native_load;
s64 ns_time_load_mbox_send_time;
s64 ns_time_load_wait_time;
s64 ns_time_native_load_complete;
u64 ns_time_adsp_map;
u64 ns_time_adsp_app_load;
u64 ns_time_adsp_send_status;
u64 adsp_receive_timestamp;
u64 host_send_timestamp;
u64 host_receive_timestamp;
};
struct app_init_stats {
s64 ns_time_app_init;
s64 ns_time_app_alloc;
s64 ns_time_instance_memory;
s64 ns_time_native_call;
u64 ns_time_adsp_app_init;
u64 ns_time_adsp_mem_instance_map;
u64 ns_time_adsp_init_call;
u64 ns_time_adsp_send_status;
u64 adsp_receive_timestamp;
};
struct app_start_stats {
s64 ns_time_app_start;
s64 ns_time_native_call;
s64 ns_time_adsp_app_start;
u64 ns_time_app_thread_creation;
u64 ns_time_app_thread_detach;
u64 ns_time_app_thread_resume;
u64 ns_time_adsp_send_status;
u64 adsp_receive_timestamp;
};
static inline int nvadsp_os_init(struct platform_device *pdev)
{
struct nvadsp_drv_data *drv_data = platform_get_drvdata(pdev);
if (drv_data->chip_data->os_init)
return drv_data->chip_data->os_init(pdev);
return -EINVAL;
}
int nvadsp_os_probe(struct platform_device *);
int nvadsp_app_module_probe(struct platform_device *);
void *nvadsp_da_to_va_mappings(u64 da, int len);
int nvadsp_add_load_mappings(phys_addr_t pa, void *mapping, int len);
struct elf32_shdr *nvadsp_get_section(const struct firmware *, char *);
struct global_sym_info *find_global_symbol(const char *);
void update_nvadsp_app_shared_ptr(void *);
struct adsp_module *load_adsp_dynamic_module(const char *, const char *,
struct device *);
struct adsp_module *load_adsp_static_module(const char *,
struct adsp_shared_app *, struct device *);
void unload_adsp_module(struct adsp_module *);
int allocate_memory_from_adsp(void **, unsigned int);
bool is_adsp_dram_addr(u64);
int load_adsp_static_apps(void);
#endif /* __TEGRA_NVADSP_OS_H */