95 lines
2.2 KiB
C
95 lines
2.2 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/*
|
|
* Copyright (c) 2019 MediaTek Inc.
|
|
*/
|
|
|
|
#ifndef __RPROC_MTK_COMMON_H
|
|
#define __RPROC_MTK_COMMON_H
|
|
|
|
#include <linux/interrupt.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/remoteproc.h>
|
|
#include <linux/remoteproc/mtk_scp.h>
|
|
|
|
#define MT8183_SW_RSTN 0x0
|
|
#define MT8183_SW_RSTN_BIT BIT(0)
|
|
#define MT8183_SCP_TO_HOST 0x1C
|
|
#define MT8183_SCP_IPC_INT_BIT BIT(0)
|
|
#define MT8183_SCP_WDT_INT_BIT BIT(8)
|
|
#define MT8183_HOST_TO_SCP 0x28
|
|
#define MT8183_HOST_IPC_INT_BIT BIT(0)
|
|
#define MT8183_WDT_CFG 0x84
|
|
#define MT8183_SCP_CLK_SW_SEL 0x4000
|
|
#define MT8183_SCP_CLK_DIV_SEL 0x4024
|
|
#define MT8183_SCP_SRAM_PDN 0x402C
|
|
#define MT8183_SCP_L1_SRAM_PD 0x4080
|
|
#define MT8183_SCP_TCM_TAIL_SRAM_PD 0x4094
|
|
|
|
#define MT8183_SCP_CACHE_SEL(x) (0x14000 + (x) * 0x3000)
|
|
#define MT8183_SCP_CACHE_CON MT8183_SCP_CACHE_SEL(0)
|
|
#define MT8183_SCP_DCACHE_CON MT8183_SCP_CACHE_SEL(1)
|
|
#define MT8183_SCP_CACHESIZE_8KB BIT(8)
|
|
#define MT8183_SCP_CACHE_CON_WAYEN BIT(10)
|
|
|
|
#define SCP_FW_VER_LEN 32
|
|
#define SCP_SHARE_BUFFER_SIZE 288
|
|
|
|
struct scp_run {
|
|
u32 signaled;
|
|
s8 fw_ver[SCP_FW_VER_LEN];
|
|
u32 dec_capability;
|
|
u32 enc_capability;
|
|
wait_queue_head_t wq;
|
|
};
|
|
|
|
struct scp_ipi_desc {
|
|
/* For protecting handler. */
|
|
struct mutex lock;
|
|
scp_ipi_handler_t handler;
|
|
void *priv;
|
|
};
|
|
|
|
struct mtk_scp {
|
|
struct device *dev;
|
|
struct rproc *rproc;
|
|
struct clk *clk;
|
|
void __iomem *reg_base;
|
|
void __iomem *sram_base;
|
|
size_t sram_size;
|
|
|
|
struct mtk_share_obj __iomem *recv_buf;
|
|
struct mtk_share_obj __iomem *send_buf;
|
|
struct scp_run run;
|
|
/* To prevent multiple ipi_send run concurrently. */
|
|
struct mutex send_lock;
|
|
struct scp_ipi_desc ipi_desc[SCP_IPI_MAX];
|
|
bool ipi_id_ack[SCP_IPI_MAX];
|
|
wait_queue_head_t ack_wq;
|
|
|
|
void __iomem *cpu_addr;
|
|
phys_addr_t phys_addr;
|
|
size_t dram_size;
|
|
|
|
struct rproc_subdev *rpmsg_subdev;
|
|
};
|
|
|
|
/**
|
|
* struct mtk_share_obj - SRAM buffer shared with AP and SCP
|
|
*
|
|
* @id: IPI id
|
|
* @len: share buffer length
|
|
* @share_buf: share buffer data
|
|
*/
|
|
struct mtk_share_obj {
|
|
u32 id;
|
|
u32 len;
|
|
u8 share_buf[SCP_SHARE_BUFFER_SIZE];
|
|
};
|
|
|
|
void scp_memcpy_aligned(void __iomem *dst, const void *src, unsigned int len);
|
|
void scp_ipi_lock(struct mtk_scp *scp, u32 id);
|
|
void scp_ipi_unlock(struct mtk_scp *scp, u32 id);
|
|
|
|
#endif
|