1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 *  cb710/cb710-mmc.h
4 *
5 *  Copyright by Micha�� Miros��aw, 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(&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