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 
_RND4(u32 sz)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 
234