1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * cb710/cb710-mmc.h |
4 | * |
5 | * Copyright by Michał Mirosław, 2008-2009 |
6 | */ |
7 | #ifndef LINUX_CB710_MMC_H |
8 | #define LINUX_CB710_MMC_H |
9 | |
10 | #include <linux/cb710.h> |
11 | |
12 | /* per-MMC-reader structure */ |
13 | struct cb710_mmc_reader { |
14 | struct tasklet_struct finish_req_tasklet; |
15 | struct mmc_request *mrq; |
16 | spinlock_t irq_lock; |
17 | unsigned char last_power_mode; |
18 | }; |
19 | |
20 | /* some device struct walking */ |
21 | |
22 | static inline struct mmc_host *cb710_slot_to_mmc(struct cb710_slot *slot) |
23 | { |
24 | return platform_get_drvdata(pdev: &slot->pdev); |
25 | } |
26 | |
27 | static inline struct cb710_slot *cb710_mmc_to_slot(struct mmc_host *mmc) |
28 | { |
29 | struct platform_device *pdev = to_platform_device(mmc_dev(mmc)); |
30 | return cb710_pdev_to_slot(pdev); |
31 | } |
32 | |
33 | /* registers (this might be all wrong ;) */ |
34 | |
35 | #define CB710_MMC_DATA_PORT 0x00 |
36 | |
37 | #define CB710_MMC_CONFIG_PORT 0x04 |
38 | #define CB710_MMC_CONFIG0_PORT 0x04 |
39 | #define CB710_MMC_CONFIG1_PORT 0x05 |
40 | #define CB710_MMC_C1_4BIT_DATA_BUS 0x40 |
41 | #define CB710_MMC_CONFIG2_PORT 0x06 |
42 | #define CB710_MMC_C2_READ_PIO_SIZE_MASK 0x0F /* N-1 */ |
43 | #define CB710_MMC_CONFIG3_PORT 0x07 |
44 | |
45 | #define CB710_MMC_CONFIGB_PORT 0x08 |
46 | |
47 | #define CB710_MMC_IRQ_ENABLE_PORT 0x0C |
48 | #define CB710_MMC_IE_TEST_MASK 0x00BF |
49 | #define CB710_MMC_IE_CARD_INSERTION_STATUS 0x1000 |
50 | #define CB710_MMC_IE_IRQ_ENABLE 0x8000 |
51 | #define CB710_MMC_IE_CISTATUS_MASK \ |
52 | (CB710_MMC_IE_CARD_INSERTION_STATUS|CB710_MMC_IE_IRQ_ENABLE) |
53 | |
54 | #define CB710_MMC_STATUS_PORT 0x10 |
55 | #define CB710_MMC_STATUS_ERROR_EVENTS 0x60FF |
56 | #define CB710_MMC_STATUS0_PORT 0x10 |
57 | #define CB710_MMC_S0_FIFO_UNDERFLOW 0x40 |
58 | #define CB710_MMC_STATUS1_PORT 0x11 |
59 | #define CB710_MMC_S1_COMMAND_SENT 0x01 |
60 | #define CB710_MMC_S1_DATA_TRANSFER_DONE 0x02 |
61 | #define CB710_MMC_S1_PIO_TRANSFER_DONE 0x04 |
62 | #define CB710_MMC_S1_CARD_CHANGED 0x10 |
63 | #define CB710_MMC_S1_RESET 0x20 |
64 | #define CB710_MMC_STATUS2_PORT 0x12 |
65 | #define CB710_MMC_S2_FIFO_READY 0x01 |
66 | #define CB710_MMC_S2_FIFO_EMPTY 0x02 |
67 | #define CB710_MMC_S2_BUSY_10 0x10 |
68 | #define CB710_MMC_S2_BUSY_20 0x20 |
69 | #define CB710_MMC_STATUS3_PORT 0x13 |
70 | #define CB710_MMC_S3_CARD_DETECTED 0x02 |
71 | #define CB710_MMC_S3_WRITE_PROTECTED 0x04 |
72 | |
73 | #define CB710_MMC_CMD_TYPE_PORT 0x14 |
74 | #define CB710_MMC_RSP_TYPE_MASK 0x0007 |
75 | #define CB710_MMC_RSP_R1 (0) |
76 | #define CB710_MMC_RSP_136 (5) |
77 | #define CB710_MMC_RSP_NO_CRC (2) |
78 | #define CB710_MMC_RSP_PRESENT_MASK 0x0018 |
79 | #define CB710_MMC_RSP_NONE (0 << 3) |
80 | #define CB710_MMC_RSP_PRESENT (1 << 3) |
81 | #define CB710_MMC_RSP_PRESENT_X (2 << 3) |
82 | #define CB710_MMC_CMD_TYPE_MASK 0x0060 |
83 | #define CB710_MMC_CMD_BC (0 << 5) |
84 | #define CB710_MMC_CMD_BCR (1 << 5) |
85 | #define CB710_MMC_CMD_AC (2 << 5) |
86 | #define CB710_MMC_CMD_ADTC (3 << 5) |
87 | #define CB710_MMC_DATA_READ 0x0080 |
88 | #define CB710_MMC_CMD_CODE_MASK 0x3F00 |
89 | #define CB710_MMC_CMD_CODE_SHIFT 8 |
90 | #define CB710_MMC_IS_APP_CMD 0x4000 |
91 | #define CB710_MMC_RSP_BUSY 0x8000 |
92 | |
93 | #define CB710_MMC_CMD_PARAM_PORT 0x18 |
94 | #define CB710_MMC_TRANSFER_SIZE_PORT 0x1C |
95 | #define CB710_MMC_RESPONSE0_PORT 0x20 |
96 | #define CB710_MMC_RESPONSE1_PORT 0x24 |
97 | #define CB710_MMC_RESPONSE2_PORT 0x28 |
98 | #define CB710_MMC_RESPONSE3_PORT 0x2C |
99 | |
100 | #endif /* LINUX_CB710_MMC_H */ |
101 | |