Initial import of NFC GNSS SDK project

2026-09-15 16:10:12 +08:00
commit 2746cc3d4e
3070 changed files with 892062 additions and 0 deletions
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+#ifndef IPC_H
+#define IPC_H
+
+#include <stdint.h>
+#include "cpu.h"
+#include "reg.h"
+
+#define IPC_FLAGS_POLLING_MODE         (1 << 0)
+#define IPC_FLAGS_IRQ_MODE             (1 << 1)
+#define IPC_LINE_MAX                   16
+/*---------------------------------------------------------------------------*/
+typedef void (*ipc_handler_t)(void *);
+/*---------------------------------------------------------------------------*/
+typedef enum {
+  IPC_DEV_MCU_TO_CR5 = 0,   /* MCU AP <--> CR5 */
+  IPC_DEV_MCU_TO_SHUB = 1,  /* MCU AP <--> SHUB */
+  IPC_DEV_NUM_MAX,
+} ipc_dev_num_t;
+/*---------------------------------------------------------------------------*/
+typedef struct {
+  uint32_t isrr;
+  uint32_t wdr;
+  uint32_t isrw;
+  uint32_t icr;
+  uint32_t iir;
+  uint32_t rdr;
+} ipc_reg_t;
+/*---------------------------------------------------------------------------*/
+typedef struct {
+  ipc_reg_t *regs;
+  uint32_t clk_ctrl;
+  int irq;
+  uint32_t flags;
+  struct process *ipc_process;
+  ipc_handler_t handler[IPC_LINE_MAX];
+  void *handler_arg[IPC_LINE_MAX];
+} ipc_dev_t;
+/*---------------------------------------------------------------------------*/
+int ipc_init(ipc_dev_num_t dev, uint32_t flags);
+int ipc_register_line_handler(ipc_dev_num_t dev, int line, ipc_handler_t handler, void *arg);
+int ipc_trigger(ipc_dev_num_t dev, int line);
+int ipc_exit(ipc_dev_num_t dev);
+/*---------------------------------------------------------------------------*/
+
+#endif