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 */
13struct 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
22static inline struct mmc_host *cb710_slot_to_mmc(struct cb710_slot *slot)
23{
24 return platform_get_drvdata(pdev: &slot->pdev);
25}
26
27static 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

source code of linux/drivers/mmc/host/cb710-mmc.h