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1 /*
2  * SdioDrv.h
3  *
4  * Copyright(c) 1998 - 2009 Texas Instruments. All rights reserved.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  *
11  *  * Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  *  * Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in
15  *    the documentation and/or other materials provided with the
16  *    distribution.
17  *  * Neither the name Texas Instruments nor the names of its
18  *    contributors may be used to endorse or promote products derived
19  *    from this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 
35 #ifndef __OMAP3430_SDIODRV_API_H
36 #define __OMAP3430_SDIODRV_API_H
37 
38 #include <asm/types.h>
39 #include <linux/mmc/mmc.h>
40 
41 /* Card Common Control Registers (CCCR) */
42 
43 #define CCCR_SDIO_REVISION                  0x00
44 #define CCCR_SD_SPECIFICATION_REVISION      0x01
45 #define CCCR_IO_ENABLE                      0x02
46 #define CCCR_IO_READY                       0x03
47 #define CCCR_INT_ENABLE                     0x04
48 #define CCCR_INT_PENDING                    0x05
49 #define CCCR_IO_ABORT                       0x06
50 #define CCCR_BUS_INTERFACE_CONTOROL         0x07
51 #define CCCR_CARD_CAPABILITY	            0x08
52 #define CCCR_COMMON_CIS_POINTER             0x09 /*0x09-0x0B*/
53 #define CCCR_FNO_BLOCK_SIZE	                0x10 /*0x10-0x11*/
54 #define FN0_CCCR_REG_32                     0x64
55 
56 /* Pprotocol defined constants */
57 
58 #define SD_IO_GO_IDLE_STATE		  		    0
59 #define SD_IO_SEND_RELATIVE_ADDR	  	    3
60 #define SDIO_CMD5			  			    5
61 #define SD_IO_SELECT_CARD		  		    7
62 #define SDIO_CMD52		 	 			    52
63 #define SDIO_CMD53		 	 			    53
64 #define SD_IO_SEND_OP_COND		            SDIO_CMD5
65 #define SD_IO_RW_DIRECT			            SDIO_CMD52
66 #define SD_IO_RW_EXTENDED		            SDIO_CMD53
67 #define SDIO_SHIFT(v,n)                     (v<<n)
68 #define SDIO_RWFLAG(v)                      (SDIO_SHIFT(v,31))
69 #define SDIO_FUNCN(v)                       (SDIO_SHIFT(v,28))
70 #define SDIO_RAWFLAG(v)                     (SDIO_SHIFT(v,27))
71 #define SDIO_BLKM(v)                        (SDIO_SHIFT(v,27))
72 #define SDIO_OPCODE(v)                      (SDIO_SHIFT(v,26))
73 #define SDIO_ADDRREG(v)                     (SDIO_SHIFT(v,9))
74 
75 
76 #define VDD_VOLTAGE_WINDOW                  0xffffc0
77 #define FN2_OBI_INV                         0x0002
78 
79 #define MMC_RSP_NONE	                    (0 << 0)
80 #define MMC_RSP_SHORT	                    (1 << 0)
81 #define MMC_RSP_LONG	                    (2 << 0)
82 #define MMC_RSP_MASK	                    (3 << 0)
83 #define MMC_RSP_CRC	                        (1 << 3)
84 #define MMC_RSP_BUSY	                    (1 << 4)
85 
86 #define MMC_RSP_R1	                        (MMC_RSP_SHORT|MMC_RSP_CRC)
87 #define MMC_RSP_R1B	                        (MMC_RSP_SHORT|MMC_RSP_CRC|MMC_RSP_BUSY)
88 #define MMC_RSP_R2	                        (MMC_RSP_LONG|MMC_RSP_CRC)
89 #define MMC_RSP_R3	                        (MMC_RSP_SHORT)
90 
91 /* HSMMC controller bit definitions
92  * */
93 #define OMAP_HSMMC_CMD_NO_RESPONSE          0 << 0
94 #define OMAP_HSMMC_CMD_LONG_RESPONSE        1 << 0
95 #define OMAP_HSMMC_CMD_SHORT_RESPONSE       2 << 0
96 
97 #define MMC_ERR_NONE	                    0
98 #define MMC_ERR_TIMEOUT	                    1
99 #define MMC_ERR_BADCRC	                    2
100 #define MMC_ERR_FIFO	                    3
101 #define MMC_ERR_FAILED	                    4
102 #define MMC_ERR_INVALID	                    5
103 
104 #undef  MMC_RSP_R4
105 #define MMC_RSP_R4 OMAP_HSMMC_CMD_SHORT_RESPONSE
106 #undef  MMC_RSP_R5
107 #define MMC_RSP_R5 OMAP_HSMMC_CMD_SHORT_RESPONSE
108 #undef  MMC_RSP_R6
109 #define MMC_RSP_R6 OMAP_HSMMC_CMD_SHORT_RESPONSE
110 
111 /********************************************************************/
112 /*	SDIO driver functions prototypes                                */
113 /********************************************************************/
114 int sdioDrv_ConnectBus     (void *       fCbFunc,
115                             void *       hCbArg,
116                             unsigned int uBlkSizeShift,
117                             unsigned int uSdioThreadPriority);
118 
119 int sdioDrv_DisconnectBus  (void);
120 
121 int sdioDrv_ExecuteCmd     (unsigned int uCmd,
122                             unsigned int uArg,
123                             unsigned int uRespType,
124                             void *       pResponse,
125                             unsigned int uLen);
126 
127 int sdioDrv_ReadSync       (unsigned int uFunc,
128                             unsigned int uHwAddr,
129                             void *       pData,
130                             unsigned int uLen,
131                             unsigned int bIncAddr,
132                             unsigned int bMore);
133 
134 int sdioDrv_ReadAsync      (unsigned int uFunc,
135                             unsigned int uHwAddr,
136                             void *       pData,
137                             unsigned int uLen,
138                             unsigned int bBlkMode,
139                             unsigned int bIncAddr,
140                             unsigned int bMore);
141 
142 int sdioDrv_WriteSync      (unsigned int uFunc,
143                             unsigned int uHwAddr,
144                             void *       pData,
145                             unsigned int uLen,
146                             unsigned int bIncAddr,
147                             unsigned int bMore);
148 
149 int sdioDrv_WriteAsync     (unsigned int uFunc,
150                             unsigned int uHwAddr,
151                             void *       pData,
152                             unsigned int uLen,
153                             unsigned int bBlkMode,
154                             unsigned int bIncAddr,
155                             unsigned int bMore);
156 
157 int sdioDrv_ReadSyncBytes  (unsigned int  uFunc,
158                             unsigned int  uHwAddr,
159                             unsigned char *pData,
160                             unsigned int  uLen,
161                             unsigned int  bMore);
162 
163 int sdioDrv_WriteSyncBytes (unsigned int  uFunc,
164                             unsigned int  uHwAddr,
165                             unsigned char *pData,
166                             unsigned int  uLen,
167                             unsigned int  bMore);
168 
169 void sdioDrv_register_pm(int (*wlanDrvIf_Start)(void),
170 						int (*wlanDrvIf_Stop)(void));
171 
172 int sdioDrv_clk_enable(void);
173 void sdioDrv_clk_disable(void);
174 
175 #endif/* _OMAP3430_SDIODRV_H */
176