arch/arm/mach-mt8127/include/mach/m4u.h

   1 #ifndef __M4U_H__
   2 #define __M4U_H__
   3 #include <linux/ioctl.h>
   4 #include <linux/fs.h>
   5 #include <mach/m4u_port.h>
   6 #include <linux/scatterlist.h>
   7
   8 typedef int M4U_PORT_ID_ENUM;
   9 typedef int M4U_MODULE_ID_ENUM;
  10
  11 typedef enum
  12 {
  13         RT_RANGE_HIGH_PRIORITY=0,
  14         SEQ_RANGE_LOW_PRIORITY=1
  15 } M4U_RANGE_PRIORITY_ENUM;
  16
  17
  18 // port related: virtuality, security, distance
  19 typedef struct _M4U_PORT
  20 {
  21         M4U_PORT_ID_ENUM ePortID;                  //hardware port ID, defined in M4U_PORT_ID_ENUM
  22         unsigned int Virtuality;
  23         unsigned int Security;
  24     unsigned int domain;            //domain : 0 1 2 3
  25         unsigned int Distance;
  26         unsigned int Direction;         //0:- 1:+
  27 }M4U_PORT_STRUCT;
  28
  29 typedef enum
  30 {
  31         ROTATE_0=0,
  32         ROTATE_90,
  33         ROTATE_180,
  34         ROTATE_270,
  35         ROTATE_HFLIP_0,
  36         ROTATE_HFLIP_90,
  37         ROTATE_HFLIP_180,
  38         ROTATE_HFLIP_270
  39 } M4U_ROTATOR_ENUM;
  40
  41 typedef struct _M4U_PORT_ROTATOR
  42 {
  43         M4U_PORT_ID_ENUM ePortID;                  // hardware port ID, defined in M4U_PORT_ID_ENUM
  44         unsigned int Virtuality;
  45         unsigned int Security;
  46         // unsigned int Distance;      // will be caculated actomatically inside M4U driver
  47         // unsigned int Direction;
  48   unsigned int MVAStart;
  49   unsigned int BufAddr;
  50   unsigned int BufSize;
  51   M4U_ROTATOR_ENUM angle;
  52 }M4U_PORT_STRUCT_ROTATOR;
  53
  54 typedef enum
  55 {
  56     M4U_CACHE_FLUSH_BEFORE_HW_READ_MEM = 0,  // optimized, recommand to use
  57     M4U_CACHE_FLUSH_BEFORE_HW_WRITE_MEM = 1, // optimized, recommand to use
  58     M4U_CACHE_CLEAN_BEFORE_HW_READ_MEM = 2,
  59     M4U_CACHE_INVALID_AFTER_HW_WRITE_MEM = 3,
  60     M4U_NONE_OP = 4,
  61 } M4U_CACHE_SYNC_ENUM;
  62
  63
  64 // for kernel direct call --------------------------------------------
  65 int m4u_dump_reg(int m4u_index);
  66 int m4u_dump_info(int m4u_index);
  67 int m4u_power_on(int m4u_index);
  68 int m4u_power_off(int m4u_index);
  69
  70 int m4u_alloc_mva(M4U_MODULE_ID_ENUM eModuleID,
  71                     const unsigned int BufAddr,
  72                     const unsigned int BufSize,
  73                     int security,
  74                     int cache_coherent,
  75                     unsigned int *pRetMVABuf);
  76
  77 int m4u_alloc_mva_sg(M4U_MODULE_ID_ENUM eModuleID,
  78                                                                   struct sg_table *sg_table,
  79                                                                   const unsigned int BufSize,
  80                                                                   int security,
  81                                                                   int cache_coherent,
  82                                                                   unsigned int *pRetMVABuf);
  83
  84
  85 int m4u_dealloc_mva(M4U_MODULE_ID_ENUM eModuleID,
  86                     const unsigned int BufAddr,
  87                     const unsigned int BufSize,
  88                     const unsigned int MVA);
  89
  90 int m4u_dealloc_mva_sg(M4U_MODULE_ID_ENUM eModuleID,
  91                                                                         struct sg_table* sg_table,
  92                                                                         const unsigned int BufSize,
  93                                                                         const unsigned int MVA);
  94
  95 int m4u_insert_wrapped_range(M4U_MODULE_ID_ENUM eModuleID,
  96                              M4U_PORT_ID_ENUM portID,
  97                              unsigned int MVAStart,
  98                              unsigned int MVAEnd);
  99
 100 int m4u_invalid_wrapped_range(M4U_MODULE_ID_ENUM eModuleID,
 101                               M4U_PORT_ID_ENUM portID,
 102                               unsigned int MVAStart,
 103                               unsigned int MVAEnd);
 104
 105 int m4u_insert_seq_range(M4U_MODULE_ID_ENUM eModuleID,
 106                              unsigned int MVAStart,
 107                              unsigned int MVAEnd,
 108                              M4U_RANGE_PRIORITY_ENUM ePriority,
 109                              unsigned int entryCount); //0:disable multi-entry, 1,2,4,8,16: enable multi-entry
 110
 111 int m4u_invalid_seq_range(M4U_MODULE_ID_ENUM eModuleID,
 112                     unsigned int MVAStart,
 113                     unsigned int MVAEnd);
 114
 115 int m4u_config_port_rotator(M4U_PORT_STRUCT_ROTATOR *pM4uPort);
 116
 117 int m4u_config_port(M4U_PORT_STRUCT* pM4uPort); //native
 118 //int m4u_config_port_rotator(M4U_PORT_STRUCT_ROTATOR *pM4uPort);
 119 int m4u_monitor_start(int m4u_id);
 120 int m4u_monitor_stop(int m4u_id);
 121
 122
 123 int m4u_dma_cache_maint(M4U_MODULE_ID_ENUM eModuleID,
 124     const void *va,
 125     size_t size,
 126     int direction);
 127
 128 int m4u_mau_check_pagetable(unsigned int start_addr, unsigned int end_addr);
 129 int m4u_mau_get_physical_port(unsigned int* engineMask);
 130
 131 // used for those looply used buffer
 132 // will check link list for mva rather than re-build pagetable by get_user_pages()
 133 // if can not find the VA in link list, will call m4u_alloc_mva() internally
 134 int m4u_query_mva(M4U_MODULE_ID_ENUM eModuleID,
 135                                                                   const unsigned int BufAddr,
 136                                                                   const unsigned int BufSize,
 137                                                                   unsigned int *pRetMVABuf,
 138                                                                   struct file * a_pstFile);
 139
 140 int m4u_log_on(void);
 141 int m4u_log_off(void);
 142 int m4u_debug_command(unsigned int command);
 143 int m4u_mva_map_kernel(unsigned int mva, unsigned int size, int sec,
 144                         unsigned int* map_va, unsigned int* map_size);
 145 int m4u_mva_unmap_kernel(unsigned int mva, unsigned int size, unsigned int va);
 146 int m4u_fill_linear_pagetable(unsigned int pa, unsigned int size);
 147 // m4u driver internal use ---------------------------------------------------
 148 //
 149 /*TEE
 150  *only for ovl 4 layger (sync nonsec pt 2 sec pt)
 151  *if ovl config port NonSec to Sec, and also want to use a nonsec memory,
 152  *     please call this function before you use it.
 153  * return : 0 : successful
 154  *          -1: failed
 155  */
 156 int m4u_sync_nonsec_sec_pgtable(unsigned int mva,
 157                                 unsigned int size,
 158                                 int port);
 159
 160 #endif
 161