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135 lines
3.4 KiB
135 lines
3.4 KiB
/* SPDX-License-Identifier: GPL-2.0 */ |
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/* |
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* Copyright (c) 2019 MediaTek Inc. |
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*/ |
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#ifndef __RPROC_MTK_COMMON_H |
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#define __RPROC_MTK_COMMON_H |
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#include <linux/interrupt.h> |
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#include <linux/kernel.h> |
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#include <linux/platform_device.h> |
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#include <linux/remoteproc.h> |
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#include <linux/remoteproc/mtk_scp.h> |
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#define MT8183_SW_RSTN 0x0 |
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#define MT8183_SW_RSTN_BIT BIT(0) |
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#define MT8183_SCP_TO_HOST 0x1C |
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#define MT8183_SCP_IPC_INT_BIT BIT(0) |
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#define MT8183_SCP_WDT_INT_BIT BIT(8) |
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#define MT8183_HOST_TO_SCP 0x28 |
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#define MT8183_HOST_IPC_INT_BIT BIT(0) |
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#define MT8183_WDT_CFG 0x84 |
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#define MT8183_SCP_CLK_SW_SEL 0x4000 |
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#define MT8183_SCP_CLK_DIV_SEL 0x4024 |
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#define MT8183_SCP_SRAM_PDN 0x402C |
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#define MT8183_SCP_L1_SRAM_PD 0x4080 |
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#define MT8183_SCP_TCM_TAIL_SRAM_PD 0x4094 |
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#define MT8183_SCP_CACHE_SEL(x) (0x14000 + (x) * 0x3000) |
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#define MT8183_SCP_CACHE_CON MT8183_SCP_CACHE_SEL(0) |
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#define MT8183_SCP_DCACHE_CON MT8183_SCP_CACHE_SEL(1) |
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#define MT8183_SCP_CACHESIZE_8KB BIT(8) |
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#define MT8183_SCP_CACHE_CON_WAYEN BIT(10) |
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#define MT8192_L2TCM_SRAM_PD_0 0x10C0 |
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#define MT8192_L2TCM_SRAM_PD_1 0x10C4 |
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#define MT8192_L2TCM_SRAM_PD_2 0x10C8 |
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#define MT8192_L1TCM_SRAM_PDN 0x102C |
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#define MT8192_CPU0_SRAM_PD 0x1080 |
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#define MT8192_SCP2APMCU_IPC_SET 0x4080 |
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#define MT8192_SCP2APMCU_IPC_CLR 0x4084 |
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#define MT8192_SCP_IPC_INT_BIT BIT(0) |
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#define MT8192_SCP2SPM_IPC_CLR 0x4094 |
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#define MT8192_GIPC_IN_SET 0x4098 |
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#define MT8192_HOST_IPC_INT_BIT BIT(0) |
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#define MT8192_CORE0_SW_RSTN_CLR 0x10000 |
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#define MT8192_CORE0_SW_RSTN_SET 0x10004 |
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#define MT8192_CORE0_MEM_ATT_PREDEF 0x10008 |
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#define MT8192_CORE0_WDT_IRQ 0x10030 |
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#define MT8192_CORE0_WDT_CFG 0x10034 |
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#define SCP_FW_VER_LEN 32 |
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#define SCP_SHARE_BUFFER_SIZE 288 |
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struct scp_run { |
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u32 signaled; |
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s8 fw_ver[SCP_FW_VER_LEN]; |
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u32 dec_capability; |
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u32 enc_capability; |
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wait_queue_head_t wq; |
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}; |
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struct scp_ipi_desc { |
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/* For protecting handler. */ |
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struct mutex lock; |
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scp_ipi_handler_t handler; |
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void *priv; |
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}; |
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struct mtk_scp; |
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struct mtk_scp_of_data { |
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int (*scp_before_load)(struct mtk_scp *scp); |
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void (*scp_irq_handler)(struct mtk_scp *scp); |
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void (*scp_reset_assert)(struct mtk_scp *scp); |
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void (*scp_reset_deassert)(struct mtk_scp *scp); |
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void (*scp_stop)(struct mtk_scp *scp); |
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void *(*scp_da_to_va)(struct mtk_scp *scp, u64 da, size_t len); |
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u32 host_to_scp_reg; |
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u32 host_to_scp_int_bit; |
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size_t ipi_buf_offset; |
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}; |
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struct mtk_scp { |
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struct device *dev; |
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struct rproc *rproc; |
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struct clk *clk; |
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void __iomem *reg_base; |
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void __iomem *sram_base; |
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size_t sram_size; |
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phys_addr_t sram_phys; |
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void __iomem *l1tcm_base; |
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size_t l1tcm_size; |
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phys_addr_t l1tcm_phys; |
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const struct mtk_scp_of_data *data; |
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struct mtk_share_obj __iomem *recv_buf; |
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struct mtk_share_obj __iomem *send_buf; |
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struct scp_run run; |
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/* To prevent multiple ipi_send run concurrently. */ |
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struct mutex send_lock; |
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struct scp_ipi_desc ipi_desc[SCP_IPI_MAX]; |
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bool ipi_id_ack[SCP_IPI_MAX]; |
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wait_queue_head_t ack_wq; |
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void *cpu_addr; |
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dma_addr_t dma_addr; |
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size_t dram_size; |
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struct rproc_subdev *rpmsg_subdev; |
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}; |
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/** |
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* struct mtk_share_obj - SRAM buffer shared with AP and SCP |
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* |
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* @id: IPI id |
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* @len: share buffer length |
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* @share_buf: share buffer data |
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*/ |
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struct mtk_share_obj { |
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u32 id; |
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u32 len; |
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u8 share_buf[SCP_SHARE_BUFFER_SIZE]; |
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}; |
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void scp_memcpy_aligned(void __iomem *dst, const void *src, unsigned int len); |
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void scp_ipi_lock(struct mtk_scp *scp, u32 id); |
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void scp_ipi_unlock(struct mtk_scp *scp, u32 id); |
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#endif
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