drivers/staging/rtl8712/rtl871x_io.h

   1 #ifndef _IO_H_
   2 #define _IO_H_
   3
   4 #include "osdep_service.h"
   5 #include "osdep_intf.h"
   6
   7 #define NUM_IOREQ               8
   8
   9 #define MAX_PROT_SZ     (64-16)
  10
  11 #define _IOREADY                        0
  12 #define _IO_WAIT_COMPLETE   1
  13 #define _IO_WAIT_RSP        2
  14
  15 /* IO COMMAND TYPE */
  16 #define _IOSZ_MASK_             (0x7F)
  17 #define _IO_WRITE_              BIT(7)
  18 #define _IO_FIXED_              BIT(8)
  19 #define _IO_BURST_              BIT(9)
  20 #define _IO_BYTE_               BIT(10)
  21 #define _IO_HW_                 BIT(11)
  22 #define _IO_WORD_               BIT(12)
  23 #define _IO_SYNC_               BIT(13)
  24 #define _IO_CMDMASK_    (0x1F80)
  25
  26 /*
  27         For prompt mode accessing, caller shall free io_req
  28         Otherwise, io_handler will free io_req
  29 */
  30 /* IO STATUS TYPE */
  31 #define _IO_ERR_                BIT(2)
  32 #define _IO_SUCCESS_    BIT(1)
  33 #define _IO_DONE_               BIT(0)
  34 #define IO_RD32                 (_IO_SYNC_ | _IO_WORD_)
  35 #define IO_RD16                 (_IO_SYNC_ | _IO_HW_)
  36 #define IO_RD8                  (_IO_SYNC_ | _IO_BYTE_)
  37 #define IO_RD32_ASYNC   (_IO_WORD_)
  38 #define IO_RD16_ASYNC   (_IO_HW_)
  39 #define IO_RD8_ASYNC    (_IO_BYTE_)
  40 #define IO_WR32                 (_IO_WRITE_ | _IO_SYNC_ | _IO_WORD_)
  41 #define IO_WR16                 (_IO_WRITE_ | _IO_SYNC_ | _IO_HW_)
  42 #define IO_WR8                  (_IO_WRITE_ | _IO_SYNC_ | _IO_BYTE_)
  43 #define IO_WR32_ASYNC   (_IO_WRITE_ | _IO_WORD_)
  44 #define IO_WR16_ASYNC   (_IO_WRITE_ | _IO_HW_)
  45 #define IO_WR8_ASYNC    (_IO_WRITE_ | _IO_BYTE_)
  46 /*
  47         Only Sync. burst accessing is provided.
  48 */
  49 #define IO_WR_BURST(x)          (IO_WRITE_ | _IO_SYNC_ | _IO_BURST_ | \
  50                                 ((x) & _IOSZ_MASK_))
  51 #define IO_RD_BURST(x)          (_IO_SYNC_ | _IO_BURST_ | ((x) & _IOSZ_MASK_))
  52 /*below is for the intf_option bit defition...*/
  53 #define _INTF_ASYNC_    BIT(0)  /*support async io*/
  54 struct intf_priv;
  55 struct  intf_hdl;
  56 struct io_queue;
  57 struct  _io_ops {
  58         uint (*_sdbus_read_bytes_to_membuf)(struct intf_priv *pintfpriv,
  59                                             u32 addr, u32 cnt, u8 *pbuf);
  60         uint (*_sdbus_read_blocks_to_membuf)(struct intf_priv *pintfpriv,
  61                                              u32 addr, u32 cnt, u8 *pbuf);
  62         u8 (*_read8)(struct intf_hdl *pintfhdl, u32 addr);
  63         u16 (*_read16)(struct intf_hdl *pintfhdl, u32 addr);
  64         u32 (*_read32)(struct intf_hdl *pintfhdl, u32 addr);
  65         uint (*_sdbus_write_blocks_from_membuf)(struct intf_priv *pintfpriv,
  66                                                 u32 addr, u32 cnt, u8 *pbuf,
  67                                                 u8 async);
  68         uint (*_sdbus_write_bytes_from_membuf)(struct intf_priv *pintfpriv,
  69                                                u32 addr, u32 cnt, u8 *pbuf);
  70         u8 (*_cmd52r)(struct intf_priv *pintfpriv, u32 addr);
  71         void (*_cmd52w)(struct intf_priv *pintfpriv, u32 addr, u8 val8);
  72         u8 (*_cmdfunc152r)(struct intf_priv *pintfpriv, u32 addr);
  73         void (*_cmdfunc152w)(struct intf_priv *pintfpriv, u32 addr, u8 val8);
  74         void (*_write8)(struct intf_hdl *pintfhdl, u32 addr, u8 val);
  75         void (*_write16)(struct intf_hdl *pintfhdl, u32 addr, u16 val);
  76         void (*_write32)(struct intf_hdl *pintfhdl, u32 addr, u32 val);
  77         void (*_read_mem)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt,
  78                           u8 *pmem);
  79         void (*_write_mem)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt,
  80                            u8 *pmem);
  81         void (*_sync_irp_protocol_rw)(struct io_queue *pio_q);
  82         u32 (*_read_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt,
  83                           u8 *pmem);
  84         u32 (*_write_port)(struct intf_hdl *pintfhdl, u32 addr, u32 cnt,
  85                            u8 *pmem);
  86 };
  87
  88 struct io_req {
  89         struct list_head list;
  90         u32     addr;
  91         /*volatile*/ u32        val;
  92         u32     command;
  93         u32     status;
  94         u8      *pbuf;
  95         struct semaphore sema;
  96         void (*_async_io_callback)(struct _adapter *padater,
  97                                    struct io_req *pio_req, u8 *cnxt);
  98         u8 *cnxt;
  99 };
 100
 101 struct  intf_hdl {
 102         u32     intf_option;
 103         u8      *adapter;
 104         u8      *intf_dev;
 105         struct intf_priv        *pintfpriv;
 106         void (*intf_hdl_init)(u8 *priv);
 107         void (*intf_hdl_unload)(u8 *priv);
 108         void (*intf_hdl_open)(u8 *priv);
 109         void (*intf_hdl_close)(u8 *priv);
 110         struct  _io_ops io_ops;
 111 };
 112
 113 struct reg_protocol_rd {
 114
 115 #ifdef __LITTLE_ENDIAN
 116         /* DW1 */
 117         u32             NumOfTrans:4;
 118         u32             Reserved1:4;
 119         u32             Reserved2:24;
 120         /* DW2 */
 121         u32             ByteCount:7;
 122         u32             WriteEnable:1;          /*0:read, 1:write*/
 123         u32             FixOrContinuous:1;      /*0:continuous, 1: Fix*/
 124         u32             BurstMode:1;
 125         u32             Byte1Access:1;
 126         u32             Byte2Access:1;
 127         u32             Byte4Access:1;
 128         u32             Reserved3:3;
 129         u32             Reserved4:16;
 130         /*DW3*/
 131         u32             BusAddress;
 132         /*DW4*/
 133 #else
 134 /*DW1*/
 135         u32 Reserved1:4;
 136         u32 NumOfTrans:4;
 137         u32 Reserved2:24;
 138         /*DW2*/
 139         u32 WriteEnable:1;
 140         u32 ByteCount:7;
 141         u32 Reserved3:3;
 142         u32 Byte4Access:1;
 143         u32 Byte2Access:1;
 144         u32 Byte1Access:1;
 145         u32 BurstMode:1 ;
 146         u32 FixOrContinuous:1;
 147         u32 Reserved4:16;
 148         /*DW3*/
 149         u32 BusAddress;
 150         /*DW4*/
 151 #endif
 152 };
 153
 154 struct reg_protocol_wt {
 155 #ifdef __LITTLE_ENDIAN
 156         /*DW1*/
 157         u32 NumOfTrans:4;
 158         u32 Reserved1:4;
 159         u32 Reserved2:24;
 160         /*DW2*/
 161         u32 ByteCount:7;
 162         u32 WriteEnable:1;      /*0:read, 1:write*/
 163         u32 FixOrContinuous:1;  /*0:continuous, 1: Fix*/
 164         u32 BurstMode:1;
 165         u32 Byte1Access:1;
 166         u32 Byte2Access:1;
 167         u32 Byte4Access:1;
 168         u32 Reserved3:3;
 169         u32 Reserved4:16;
 170         /*DW3*/
 171         u32 BusAddress;
 172         /*DW4*/
 173         u32 Value;
 174 #else
 175         /*DW1*/
 176         u32 Reserved1:4;
 177         u32 NumOfTrans:4;
 178         u32 Reserved2:24;
 179         /*DW2*/
 180         u32 WriteEnable:1;
 181         u32 ByteCount:7;
 182         u32 Reserved3:3;
 183         u32 Byte4Access:1;
 184         u32 Byte2Access:1;
 185         u32 Byte1Access:1;
 186         u32 BurstMode:1;
 187         u32 FixOrContinuous:1;
 188         u32 Reserved4:16;
 189         /*DW3*/
 190         u32 BusAddress;
 191         /*DW4*/
 192         u32 Value;
 193 #endif
 194 };
 195
 196 /*
 197 Below is the data structure used by _io_handler
 198 */
 199
 200 struct io_queue {
 201         spinlock_t lock;
 202         struct list_head free_ioreqs;
 203         /*The io_req list that will be served in the single protocol r/w.*/
 204         struct list_head pending;
 205         struct list_head processing;
 206         u8 *free_ioreqs_buf; /* 4-byte aligned */
 207         u8 *pallocated_free_ioreqs_buf;
 208         struct  intf_hdl intf;
 209 };
 210
 211 static inline u32 _RND4(u32 sz)
 212 {
 213         u32     val;
 214         val = ((sz >> 2) + ((sz & 3) ? 1 : 0)) << 2;
 215         return val;
 216 }
 217
 218 u8 r8712_read8(struct _adapter *adapter, u32 addr);
 219 u16 r8712_read16(struct _adapter *adapter, u32 addr);
 220 u32 r8712_read32(struct _adapter *adapter, u32 addr);
 221 void r8712_read_mem(struct _adapter *adapter, u32 addr, u32 cnt, u8 *pmem);
 222 void r8712_read_port(struct _adapter *adapter, u32 addr, u32 cnt, u8 *pmem);
 223 void r8712_write8(struct _adapter *adapter, u32 addr, u8 val);
 224 void r8712_write16(struct _adapter *adapter, u32 addr, u16 val);
 225 void r8712_write32(struct _adapter *adapter, u32 addr, u32 val);
 226 void r8712_write_mem(struct _adapter *adapter, u32 addr, u32 cnt, u8 *pmem);
 227 void r8712_write_port(struct _adapter *adapter, u32 addr, u32 cnt, u8 *pmem);
 228 /*ioreq */
 229 uint r8712_alloc_io_queue(struct _adapter *adapter);
 230 void r8712_free_io_queue(struct _adapter *adapter);
 231
 232 #endif  /*_RTL8711_IO_H_*/
 233