272 lines
7.3 KiB
C
272 lines
7.3 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2020 MediaTek Inc.
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*/
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#ifndef __VCP_HELPER_H__
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#define __VCP_HELPER_H__
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#include <linux/arm-smccc.h>
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#include <linux/notifier.h>
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#include <linux/interrupt.h>
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#include <linux/io.h>
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#include <linux/soc/mediatek/mtk_sip_svc.h>
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#include "vcp_reg.h"
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#include "vcp_feature_define.h"
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#include "vcp.h"
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#define ROUNDUP(a, b) (((a) + ((b)-1)) & ~((b)-1))
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#define VCP_SYNC_TIMEOUT_MS (200)
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/* vcp dram shared memory */
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#define DRAM_VDEC_VSI_BUF_LEN (480 * 1024)
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#define DRAM_VENC_VSI_BUF_LEN (32 * 1024)
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#define DRAM_LOG_BUF_LEN (1 * 1024 * 1024)
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/* vcp config reg. definition*/
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#define VCP_TCM_SIZE (vcpreg.total_tcmsize)
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#define VCP_A_TCM_SIZE (vcpreg.vcp_tcmsize)
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#define VCP_TCM (vcpreg.sram)
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#define VCP_REGION_INFO_OFFSET 0x4
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#define VCP_RTOS_START (0x800)
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#define VCP_DRAM_MAPSIZE (0x100000)
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#define VCP_CLK_FMETER
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/* vcp dvfs return status flag */
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#define SET_PLL_FAIL (1)
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#define SET_PMIC_VOLT_FAIL (2)
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#define mt_reg_sync_writel(v, a) \
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do { \
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__raw_writel((v), (void __force __iomem *)((a))); \
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mb(); /*make sure register access in order */ \
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} while (0)
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/* This structre need to sync with VCP-side */
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struct VCP_IRQ_AST_INFO {
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unsigned int vcp_irq_ast_time;
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unsigned int vcp_irq_ast_pc_s;
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unsigned int vcp_irq_ast_pc_e;
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unsigned int vcp_irq_ast_lr_s;
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unsigned int vcp_irq_ast_lr_e;
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unsigned int vcp_irq_ast_irqd;
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};
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/* reset ID */
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#define VCP_ALL_ENABLE 0x00
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#define VCP_ALL_REBOOT 0x01
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#define VCP_ALL_RESUME 0x10
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#define VCP_PACK_IOVA(addr) ((uint32_t)((addr) | (((addr) >> 32) & 0xF)))
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#define VCP_UNPACK_IOVA(addr) \
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((uint64_t)(addr & 0xFFFFFFF0) | (((uint64_t)(addr) & 0xF) << 32))
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/* vcp semaphore definition*/
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enum SEMAPHORE_FLAG {
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SEMAPHORE_CLK_CFG_5 = 0,
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SEMAPHORE_PTP,
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SEMAPHORE_I2C0,
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SEMAPHORE_I2C1,
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SEMAPHORE_TOUCH,
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SEMAPHORE_APDMA,
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SEMAPHORE_SENSOR,
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SEMAPHORE_VCP_A_AWAKE,
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SEMAPHORE_VCP_B_AWAKE,
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NR_FLAG = 9,
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};
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/* vcp reset status */
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enum VCP_RESET_STATUS {
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RESET_STATUS_STOP = 0,
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RESET_STATUS_START = 1,
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};
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/* vcp reset status */
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enum VCP_RESET_TYPE {
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RESET_TYPE_WDT = 0,
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RESET_TYPE_AWAKE = 1,
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RESET_TYPE_CMD = 2,
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RESET_TYPE_TIMEOUT = 3,
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};
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/* vcp iommus */
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enum VCP_IOMMU_DEV {
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VCP_IOMMU_256MB1 = 0,
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VCP_IOMMU_VDEC_512MB1 = 1,
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VCP_IOMMU_VENC_512MB2 = 2,
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VCP_IOMMU_WORK_256MB2 = 3,
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VCP_IOMMU_UBE_LAT = 4,
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VCP_IOMMU_UBE_CORE = 5,
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VCP_IOMMU_SEC = 6,
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VCP_IOMMU_DEV_NUM,
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};
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enum mtk_tinysys_vcp_kernel_op {
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MTK_TINYSYS_VCP_KERNEL_OP_DUMP_START = 0,
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MTK_TINYSYS_VCP_KERNEL_OP_DUMP_POLLING,
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MTK_TINYSYS_VCP_KERNEL_OP_RESET_SET,
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MTK_TINYSYS_VCP_KERNEL_OP_RESET_RELEASE,
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MTK_TINYSYS_VCP_KERNEL_OP_SET_SRAMLOGBUF_INFO,
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MTK_TINYSYS_VCP_KERNEL_OP_NUM,
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};
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struct vcp_regs {
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void __iomem *sram;
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void __iomem *cfg;
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void __iomem *clkctrl;
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void __iomem *l1cctrl;
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void __iomem *cfg_core0;
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void __iomem *cfg_core1;
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void __iomem *cfg_sec;
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void __iomem *cfg_mmu;
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void __iomem *bus_tracker;
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void __iomem *spm;
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int irq0;
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int irq1;
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unsigned int total_tcmsize;
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unsigned int cfgregsize;
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unsigned int vcp_tcmsize;
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unsigned int core_nums;
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unsigned int twohart;
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unsigned int femter_ck;
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unsigned int secure_dump;
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};
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/* vcp work struct definition*/
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struct vcp_work_struct {
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struct work_struct work;
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unsigned int flags;
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unsigned int id;
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};
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struct vcp_reserve_mblock {
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enum vcp_reserve_mem_id_t num;
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u64 start_phys;
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u64 start_virt;
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u64 size;
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};
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struct vcp_region_info_st {
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uint32_t ap_loader_start;
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uint32_t ap_loader_size;
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uint32_t ap_firmware_start;
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uint32_t ap_firmware_size;
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uint32_t ap_dram_start;
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uint32_t ap_dram_size;
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uint32_t ap_dram_backup_start;
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/* This is the size of the structure.
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* It can act as a version number if entries can only be
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* added to (not deleted from) the structure.
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* It should be the first entry of the structure, but for
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* compatibility reason, it is appended here.
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*/
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uint32_t struct_size;
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uint32_t vcp_log_thru_ap_uart;
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uint32_t TaskContext_ptr;
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uint32_t vcpctl;
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uint32_t regdump_start;
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uint32_t regdump_size;
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uint32_t ap_params_start;
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uint32_t sramlog_buf_offset;
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uint32_t sramlog_end_idx_offset;
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uint32_t sramlog_buf_maxlen;
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uint32_t ap_loader_start_PA;
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uint32_t coredump_offset;
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uint32_t coredump_dram_offset;
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};
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/* vcp helper varriable */
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extern bool driver_init_done;
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extern struct vcp_regs vcpreg;
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extern const struct file_operations vcp_A_log_file_ops;
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#if IS_ENABLED(CONFIG_MTK_TINYSYS_VCP_DEBUG_SUPPORT)
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/* vcp device attribute */
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extern struct device_attribute dev_attr_vcp_A_mobile_log_UT;
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extern struct device_attribute dev_attr_vcp_A_logger_wakeup_AP;
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extern const struct file_operations vcp_A_log_file_ops;
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extern struct vcp_regs vcpreg;
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extern struct device_attribute dev_attr_vcp_mobile_log;
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extern struct device_attribute dev_attr_vcp_A_get_last_log;
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extern struct device_attribute dev_attr_vcp_A_status;
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extern struct device_attribute dev_attr_log_filter;
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#endif // CONFIG_MTK_TINYSYS_VCP_DEBUG_SUPPORT
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extern struct bin_attribute bin_attr_vcp_dump;
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/* vcp loggger */
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extern int vcp_logger_init(phys_addr_t start, phys_addr_t limit);
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extern void vcp_logger_uninit(void);
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extern int vcp_logger_wakeup_handler(unsigned int id,
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void *prdata, void *data, unsigned int len);
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extern void vcp_logger_stop(void);
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extern void vcp_logger_cleanup(void);
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extern unsigned int vcp_dbg_log;
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/* vcp exception */
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int vcp_excep_init(void);
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void vcp_ram_dump_init(void);
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void vcp_excep_cleanup(void);
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void vcp_wait_core_stop_timeout(int mmup_enable);
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/* vcp irq */
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extern irqreturn_t vcp_A_irq_handler(int irq, void *dev_id);
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extern void vcp_A_irq_init(void);
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extern void wait_vcp_ready_to_reboot(void);
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/* vcp helper */
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extern void vcp_schedule_work(struct vcp_work_struct *vcp_ws);
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extern void vcp_schedule_logger_work(struct vcp_work_struct *vcp_ws);
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extern void memcpy_to_vcp(void __iomem *trg,
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const void *src, int size);
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extern void memcpy_from_vcp(void *trg, const void __iomem *src,
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int size);
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extern int reset_vcp(int reset);
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extern struct device *vcp_get_io_device(enum VCP_IOMMU_DEV io_num);
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extern int vcp_check_resource(void);
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void set_vcp_mpu(void);
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void trigger_vcp_halt(enum vcp_core_id id);
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extern phys_addr_t vcp_mem_base_phys;
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extern phys_addr_t vcp_mem_base_virt;
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extern phys_addr_t vcp_mem_size;
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extern atomic_t vcp_reset_status;
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extern spinlock_t vcp_awake_spinlock;
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extern struct mutex vcp_pw_clk_mutex;
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extern struct tasklet_struct vcp_A_irq0_tasklet;
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extern struct tasklet_struct vcp_A_irq1_tasklet;
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#if IS_ENABLED(CONFIG_MTK_GIC_V3_EXT)
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extern u32 mt_irq_get_pending(unsigned int irq);
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#endif
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void dump_vcp_irq_status(void);
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extern void mt_irq_dump_status(int irq);
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/*extern vcp notify*/
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extern void vcp_send_reset_wq(enum VCP_RESET_TYPE type);
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extern void vcp_extern_notify(enum VCP_NOTIFY_EVENT notify_status);
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extern void vcp_status_set(unsigned int value);
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extern void vcp_logger_init_set(unsigned int value);
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extern unsigned int vcp_set_reset_status(void);
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extern void vcp_enable_sram(void);
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extern void vcp_reset_awake_counts(void);
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extern void vcp_awake_init(void);
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extern int vcp_enable_pm_clk(enum feature_id id);
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extern int vcp_disable_pm_clk(enum feature_id id);
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#if VCP_RECOVERY_SUPPORT
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extern unsigned int vcp_reset_by_cmd;
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extern struct vcp_region_info_st vcp_region_info_copy;
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extern struct vcp_region_info_st *vcp_region_info;
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extern void __iomem *vcp_ap_dram_virt;
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extern void __iomem *vcp_loader_virt;
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extern void __iomem *vcp_regdump_virt;
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#endif
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#endif
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