1 /*
2 * cb710/cb710-mmc.h
3 *
4 * Copyright by Michał Mirosław, 2008-2009
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 #ifndef LINUX_CB710_MMC_H
11 #define LINUX_CB710_MMC_H
12
13 #include <linux/cb710.h>
14
15 /* per-MMC-reader structure */
16 struct cb710_mmc_reader {
17 struct tasklet_struct finish_req_tasklet;
18 struct mmc_request *mrq;
19 spinlock_t irq_lock;
20 unsigned char last_power_mode;
21 };
22
23 /* some device struct walking */
24
25 static inline struct mmc_host *cb710_slot_to_mmc(struct cb710_slot *slot)
26 {
27 return dev_get_drvdata(&slot->pdev.dev);
28 }
29
30 static inline struct cb710_slot *cb710_mmc_to_slot(struct mmc_host *mmc)
31 {
32 struct platform_device *pdev = container_of(mmc_dev(mmc),
33 struct platform_device, dev);
34 return cb710_pdev_to_slot(pdev);
35 }
36
37 /* registers (this might be all wrong ;) */
38
39 #define CB710_MMC_DATA_PORT 0x00
40
41 #define CB710_MMC_CONFIG_PORT 0x04
42 #define CB710_MMC_CONFIG0_PORT 0x04
43 #define CB710_MMC_CONFIG1_PORT 0x05
44 #define CB710_MMC_C1_4BIT_DATA_BUS 0x40
45 #define CB710_MMC_CONFIG2_PORT 0x06
46 #define CB710_MMC_C2_READ_PIO_SIZE_MASK 0x0F /* N-1 */
47 #define CB710_MMC_CONFIG3_PORT 0x07
48
49 #define CB710_MMC_CONFIGB_PORT 0x08
50
51 #define CB710_MMC_IRQ_ENABLE_PORT 0x0C
52 #define CB710_MMC_IE_TEST_MASK 0x00BF
53 #define CB710_MMC_IE_CARD_INSERTION_STATUS 0x1000
54 #define CB710_MMC_IE_IRQ_ENABLE 0x8000
55 #define CB710_MMC_IE_CISTATUS_MASK \
56 (CB710_MMC_IE_CARD_INSERTION_STATUS|CB710_MMC_IE_IRQ_ENABLE)
57
58 #define CB710_MMC_STATUS_PORT 0x10
59 #define CB710_MMC_STATUS_ERROR_EVENTS 0x60FF
60 #define CB710_MMC_STATUS0_PORT 0x10
61 #define CB710_MMC_S0_FIFO_UNDERFLOW 0x40
62 #define CB710_MMC_STATUS1_PORT 0x11
63 #define CB710_MMC_S1_COMMAND_SENT 0x01
64 #define CB710_MMC_S1_DATA_TRANSFER_DONE 0x02
65 #define CB710_MMC_S1_PIO_TRANSFER_DONE 0x04
66 #define CB710_MMC_S1_CARD_CHANGED 0x10
67 #define CB710_MMC_S1_RESET 0x20
68 #define CB710_MMC_STATUS2_PORT 0x12
69 #define CB710_MMC_S2_FIFO_READY 0x01
70 #define CB710_MMC_S2_FIFO_EMPTY 0x02
71 #define CB710_MMC_S2_BUSY_10 0x10
72 #define CB710_MMC_S2_BUSY_20 0x20
73 #define CB710_MMC_STATUS3_PORT 0x13
74 #define CB710_MMC_S3_CARD_DETECTED 0x02
75 #define CB710_MMC_S3_WRITE_PROTECTED 0x04
76
77 #define CB710_MMC_CMD_TYPE_PORT 0x14
78 #define CB710_MMC_RSP_TYPE_MASK 0x0007
79 #define CB710_MMC_RSP_R1 (0)
80 #define CB710_MMC_RSP_136 (5)
81 #define CB710_MMC_RSP_NO_CRC (2)
82 #define CB710_MMC_RSP_PRESENT_MASK 0x0018
83 #define CB710_MMC_RSP_NONE (0 << 3)
84 #define CB710_MMC_RSP_PRESENT (1 << 3)
85 #define CB710_MMC_RSP_PRESENT_X (2 << 3)
86 #define CB710_MMC_CMD_TYPE_MASK 0x0060
87 #define CB710_MMC_CMD_BC (0 << 5)
88 #define CB710_MMC_CMD_BCR (1 << 5)
89 #define CB710_MMC_CMD_AC (2 << 5)
90 #define CB710_MMC_CMD_ADTC (3 << 5)
91 #define CB710_MMC_DATA_READ 0x0080
92 #define CB710_MMC_CMD_CODE_MASK 0x3F00
93 #define CB710_MMC_CMD_CODE_SHIFT 8
94 #define CB710_MMC_IS_APP_CMD 0x4000
95 #define CB710_MMC_RSP_BUSY 0x8000
96
97 #define CB710_MMC_CMD_PARAM_PORT 0x18
98 #define CB710_MMC_TRANSFER_SIZE_PORT 0x1C
99 #define CB710_MMC_RESPONSE0_PORT 0x20
100 #define CB710_MMC_RESPONSE1_PORT 0x24
101 #define CB710_MMC_RESPONSE2_PORT 0x28
102 #define CB710_MMC_RESPONSE3_PORT 0x2C
103
104 #endif /* LINUX_CB710_MMC_H */
105
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