tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * linux/drivers/mmc/wbsd.h - Winbond W83L51xD SD/MMC driver
3 *
4 * Copyright (C) 2004-2005 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 version 2 as
8 * published by the Free Software Foundation.
9 */
10
11#define LOCK_CODE 0xAA
12
13#define WBSD_CONF_SWRST 0x02
14#define WBSD_CONF_DEVICE 0x07
15#define WBSD_CONF_ID_HI 0x20
16#define WBSD_CONF_ID_LO 0x21
17#define WBSD_CONF_POWER 0x22
18#define WBSD_CONF_PME 0x23
19#define WBSD_CONF_PMES 0x24
20
21#define WBSD_CONF_ENABLE 0x30
22#define WBSD_CONF_PORT_HI 0x60
23#define WBSD_CONF_PORT_LO 0x61
24#define WBSD_CONF_IRQ 0x70
25#define WBSD_CONF_DRQ 0x74
26
27#define WBSD_CONF_PINS 0xF0
28
29#define DEVICE_SD 0x03
30
31#define WBSD_PINS_DAT3_HI 0x20
32#define WBSD_PINS_DAT3_OUT 0x10
33#define WBSD_PINS_GP11_HI 0x04
34#define WBSD_PINS_DETECT_GP11 0x02
35#define WBSD_PINS_DETECT_DAT3 0x01
36
37#define WBSD_CMDR 0x00
38#define WBSD_DFR 0x01
39#define WBSD_EIR 0x02
40#define WBSD_ISR 0x03
41#define WBSD_FSR 0x04
42#define WBSD_IDXR 0x05
43#define WBSD_DATAR 0x06
44#define WBSD_CSR 0x07
45
46#define WBSD_EINT_CARD 0x40
47#define WBSD_EINT_FIFO_THRE 0x20
48#define WBSD_EINT_CCRC 0x10
49#define WBSD_EINT_TIMEOUT 0x08
50#define WBSD_EINT_PROGEND 0x04
51#define WBSD_EINT_CRC 0x02
52#define WBSD_EINT_TC 0x01
53
54#define WBSD_INT_PENDING 0x80
55#define WBSD_INT_CARD 0x40
56#define WBSD_INT_FIFO_THRE 0x20
57#define WBSD_INT_CRC 0x10
58#define WBSD_INT_TIMEOUT 0x08
59#define WBSD_INT_PROGEND 0x04
60#define WBSD_INT_BUSYEND 0x02
61#define WBSD_INT_TC 0x01
62
63#define WBSD_FIFO_EMPTY 0x80
64#define WBSD_FIFO_FULL 0x40
65#define WBSD_FIFO_EMTHRE 0x20
66#define WBSD_FIFO_FUTHRE 0x10
67#define WBSD_FIFO_SZMASK 0x0F
68
69#define WBSD_MSLED 0x20
70#define WBSD_POWER_N 0x10
71#define WBSD_WRPT 0x04
72#define WBSD_CARDPRESENT 0x01
73
74#define WBSD_IDX_CLK 0x01
75#define WBSD_IDX_PBSMSB 0x02
76#define WBSD_IDX_TAAC 0x03
77#define WBSD_IDX_NSAC 0x04
78#define WBSD_IDX_PBSLSB 0x05
79#define WBSD_IDX_SETUP 0x06
80#define WBSD_IDX_DMA 0x07
81#define WBSD_IDX_FIFOEN 0x08
82#define WBSD_IDX_STATUS 0x10
83#define WBSD_IDX_RSPLEN 0x1E
84#define WBSD_IDX_RESP0 0x1F
85#define WBSD_IDX_RESP1 0x20
86#define WBSD_IDX_RESP2 0x21
87#define WBSD_IDX_RESP3 0x22
88#define WBSD_IDX_RESP4 0x23
89#define WBSD_IDX_RESP5 0x24
90#define WBSD_IDX_RESP6 0x25
91#define WBSD_IDX_RESP7 0x26
92#define WBSD_IDX_RESP8 0x27
93#define WBSD_IDX_RESP9 0x28
94#define WBSD_IDX_RESP10 0x29
95#define WBSD_IDX_RESP11 0x2A
96#define WBSD_IDX_RESP12 0x2B
97#define WBSD_IDX_RESP13 0x2C
98#define WBSD_IDX_RESP14 0x2D
99#define WBSD_IDX_RESP15 0x2E
100#define WBSD_IDX_RESP16 0x2F
101#define WBSD_IDX_CRCSTATUS 0x30
102#define WBSD_IDX_ISR 0x3F
103
104#define WBSD_CLK_375K 0x00
105#define WBSD_CLK_12M 0x01
106#define WBSD_CLK_16M 0x02
107#define WBSD_CLK_24M 0x03
108
109#define WBSD_DATA_WIDTH 0x01
110
111#define WBSD_DAT3_H 0x08
112#define WBSD_FIFO_RESET 0x04
113#define WBSD_SOFT_RESET 0x02
114#define WBSD_INC_INDEX 0x01
115
116#define WBSD_DMA_SINGLE 0x02
117#define WBSD_DMA_ENABLE 0x01
118
119#define WBSD_FIFOEN_EMPTY 0x20
120#define WBSD_FIFOEN_FULL 0x10
121#define WBSD_FIFO_THREMASK 0x0F
122
123#define WBSD_BLOCK_READ 0x80
124#define WBSD_BLOCK_WRITE 0x40
125#define WBSD_BUSY 0x20
126#define WBSD_CARDTRAFFIC 0x04
127#define WBSD_SENDCMD 0x02
128#define WBSD_RECVRES 0x01
129
130#define WBSD_RSP_SHORT 0x00
131#define WBSD_RSP_LONG 0x01
132
133#define WBSD_CRC_MASK 0x1F
134#define WBSD_CRC_OK 0x05 /* S010E (00101) */
135#define WBSD_CRC_FAIL 0x0B /* S101E (01011) */
136
137#define WBSD_DMA_SIZE 65536
138
139struct wbsd_host
140{
141 struct mmc_host* mmc; /* MMC structure */
142
143 spinlock_t lock; /* Mutex */
144
145 int flags; /* Driver states */
146
147#define WBSD_FCARD_PRESENT (1<<0) /* Card is present */
148#define WBSD_FIGNORE_DETECT (1<<1) /* Ignore card detection */
149
150 struct mmc_request* mrq; /* Current request */
151
152 u8 isr; /* Accumulated ISR */
153
154 struct scatterlist* cur_sg; /* Current SG entry */
155 unsigned int num_sg; /* Number of entries left */
156 void* mapped_sg; /* vaddr of mapped sg */
157
158 unsigned int offset; /* Offset into current entry */
159 unsigned int remain; /* Data left in curren entry */
160
161 int size; /* Total size of transfer */
162
163 char* dma_buffer; /* ISA DMA buffer */
164 dma_addr_t dma_addr; /* Physical address for same */
165
166 int firsterr; /* See fifo functions */
167
168 u8 clk; /* Current clock speed */
169 unsigned char bus_width; /* Current bus width */
170
171 int config; /* Config port */
172 u8 unlock_code; /* Code to unlock config */
173
174 int chip_id; /* ID of controller */
175
176 int base; /* I/O port base */
177 int irq; /* Interrupt */
178 int dma; /* DMA channel */
179
180 struct tasklet_struct card_tasklet; /* Tasklet structures */
181 struct tasklet_struct fifo_tasklet;
182 struct tasklet_struct crc_tasklet;
183 struct tasklet_struct timeout_tasklet;
184 struct tasklet_struct finish_tasklet;
185 struct tasklet_struct block_tasklet;
186
187 struct timer_list ignore_timer; /* Ignore detection timer */
188};