1 /*
2 * linux/drivers/mmc/host/wbsd.h - Winbond W83L51xD SD/MMC driver
3 *
4 * Copyright (C) 2004-2007 Pierre Ossman, All Rights Reserved.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or (at
9 * your option) any later version.
10 */
11
12 #define LOCK_CODE 0xAA
13
14 #define WBSD_CONF_SWRST 0x02
15 #define WBSD_CONF_DEVICE 0x07
16 #define WBSD_CONF_ID_HI 0x20
17 #define WBSD_CONF_ID_LO 0x21
18 #define WBSD_CONF_POWER 0x22
19 #define WBSD_CONF_PME 0x23
20 #define WBSD_CONF_PMES 0x24
21
22 #define WBSD_CONF_ENABLE 0x30
23 #define WBSD_CONF_PORT_HI 0x60
24 #define WBSD_CONF_PORT_LO 0x61
25 #define WBSD_CONF_IRQ 0x70
26 #define WBSD_CONF_DRQ 0x74
27
28 #define WBSD_CONF_PINS 0xF0
29
30 #define DEVICE_SD 0x03
31
32 #define WBSD_PINS_DAT3_HI 0x20
33 #define WBSD_PINS_DAT3_OUT 0x10
34 #define WBSD_PINS_GP11_HI 0x04
35 #define WBSD_PINS_DETECT_GP11 0x02
36 #define WBSD_PINS_DETECT_DAT3 0x01
37
38 #define WBSD_CMDR 0x00
39 #define WBSD_DFR 0x01
40 #define WBSD_EIR 0x02
41 #define WBSD_ISR 0x03
42 #define WBSD_FSR 0x04
43 #define WBSD_IDXR 0x05
44 #define WBSD_DATAR 0x06
45 #define WBSD_CSR 0x07
46
47 #define WBSD_EINT_CARD 0x40
48 #define WBSD_EINT_FIFO_THRE 0x20
49 #define WBSD_EINT_CRC 0x10
50 #define WBSD_EINT_TIMEOUT 0x08
51 #define WBSD_EINT_PROGEND 0x04
52 #define WBSD_EINT_BUSYEND 0x02
53 #define WBSD_EINT_TC 0x01
54
55 #define WBSD_INT_PENDING 0x80
56 #define WBSD_INT_CARD 0x40
57 #define WBSD_INT_FIFO_THRE 0x20
58 #define WBSD_INT_CRC 0x10
59 #define WBSD_INT_TIMEOUT 0x08
60 #define WBSD_INT_PROGEND 0x04
61 #define WBSD_INT_BUSYEND 0x02
62 #define WBSD_INT_TC 0x01
63
64 #define WBSD_FIFO_EMPTY 0x80
65 #define WBSD_FIFO_FULL 0x40
66 #define WBSD_FIFO_EMTHRE 0x20
67 #define WBSD_FIFO_FUTHRE 0x10
68 #define WBSD_FIFO_SZMASK 0x0F
69
70 #define WBSD_MSLED 0x20
71 #define WBSD_POWER_N 0x10
72 #define WBSD_WRPT 0x04
73 #define WBSD_CARDPRESENT 0x01
74
75 #define WBSD_IDX_CLK 0x01
76 #define WBSD_IDX_PBSMSB 0x02
77 #define WBSD_IDX_TAAC 0x03
78 #define WBSD_IDX_NSAC 0x04
79 #define WBSD_IDX_PBSLSB 0x05
80 #define WBSD_IDX_SETUP 0x06
81 #define WBSD_IDX_DMA 0x07
82 #define WBSD_IDX_FIFOEN 0x08
83 #define WBSD_IDX_STATUS 0x10
84 #define WBSD_IDX_RSPLEN 0x1E
85 #define WBSD_IDX_RESP0 0x1F
86 #define WBSD_IDX_RESP1 0x20
87 #define WBSD_IDX_RESP2 0x21
88 #define WBSD_IDX_RESP3 0x22
89 #define WBSD_IDX_RESP4 0x23
90 #define WBSD_IDX_RESP5 0x24
91 #define WBSD_IDX_RESP6 0x25
92 #define WBSD_IDX_RESP7 0x26
93 #define WBSD_IDX_RESP8 0x27
94 #define WBSD_IDX_RESP9 0x28
95 #define WBSD_IDX_RESP10 0x29
96 #define WBSD_IDX_RESP11 0x2A
97 #define WBSD_IDX_RESP12 0x2B
98 #define WBSD_IDX_RESP13 0x2C
99 #define WBSD_IDX_RESP14 0x2D
100 #define WBSD_IDX_RESP15 0x2E
101 #define WBSD_IDX_RESP16 0x2F
102 #define WBSD_IDX_CRCSTATUS 0x30
103 #define WBSD_IDX_ISR 0x3F
104
105 #define WBSD_CLK_375K 0x00
106 #define WBSD_CLK_12M 0x01
107 #define WBSD_CLK_16M 0x02
108 #define WBSD_CLK_24M 0x03
109
110 #define WBSD_DATA_WIDTH 0x01
111
112 #define WBSD_DAT3_H 0x08
113 #define WBSD_FIFO_RESET 0x04
114 #define WBSD_SOFT_RESET 0x02
115 #define WBSD_INC_INDEX 0x01
116
117 #define WBSD_DMA_SINGLE 0x02
118 #define WBSD_DMA_ENABLE 0x01
119
120 #define WBSD_FIFOEN_EMPTY 0x20
121 #define WBSD_FIFOEN_FULL 0x10
122 #define WBSD_FIFO_THREMASK 0x0F
123
124 #define WBSD_BLOCK_READ 0x80
125 #define WBSD_BLOCK_WRITE 0x40
126 #define WBSD_BUSY 0x20
127 #define WBSD_CARDTRAFFIC 0x04
128 #define WBSD_SENDCMD 0x02
129 #define WBSD_RECVRES 0x01
130
131 #define WBSD_RSP_SHORT 0x00
132 #define WBSD_RSP_LONG 0x01
133
134 #define WBSD_CRC_MASK 0x1F
135 #define WBSD_CRC_OK 0x05 /* S010E (00101) */
136 #define WBSD_CRC_FAIL 0x0B /* S101E (01011) */
137
138 #define WBSD_DMA_SIZE 65536
139
140 struct wbsd_host
141 {
142 struct mmc_host* mmc; /* MMC structure */
143
144 spinlock_t lock; /* Mutex */
145
146 int flags; /* Driver states */
147
148 #define WBSD_FCARD_PRESENT (1<<0) /* Card is present */
149 #define WBSD_FIGNORE_DETECT (1<<1) /* Ignore card detection */
150
151 struct mmc_request* mrq; /* Current request */
152
153 u8 isr; /* Accumulated ISR */
154
155 struct scatterlist* cur_sg; /* Current SG entry */
156 unsigned int num_sg; /* Number of entries left */
157
158 unsigned int offset; /* Offset into current entry */
159 unsigned int remain; /* Data left in curren entry */
160
161 char* dma_buffer; /* ISA DMA buffer */
162 dma_addr_t dma_addr; /* Physical address for same */
163
164 int firsterr; /* See fifo functions */
165
166 u8 clk; /* Current clock speed */
167 unsigned char bus_width; /* Current bus width */
168
169 int config; /* Config port */
170 u8 unlock_code; /* Code to unlock config */
171
172 int chip_id; /* ID of controller */
173
174 int base; /* I/O port base */
175 int irq; /* Interrupt */
176 int dma; /* DMA channel */
177
178 struct tasklet_struct card_tasklet; /* Tasklet structures */
179 struct tasklet_struct fifo_tasklet;
180 struct tasklet_struct crc_tasklet;
181 struct tasklet_struct timeout_tasklet;
182 struct tasklet_struct finish_tasklet;
183
184 struct timer_list ignore_timer; /* Ignore detection timer */
185 };
186
|
This page was automatically generated by the
LXR engine.
|