1/*
2 *  cb710/cb710-mmc.h
3 *
4 *  Copyright by Micha�� Miros��aw, 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 */
16struct 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
25static inline struct mmc_host *cb710_slot_to_mmc(struct cb710_slot *slot)
26{
27	return platform_get_drvdata(&slot->pdev);
28}
29
30static 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