[mirror_ubuntu-jammy-kernel.git] / drivers / mmc / host / cb710-mmc.h

/*
 *  cb710/cb710-mmc.h
 *
 *  Copyright by Michał Mirosław, 2008-2009
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#ifndef LINUX_CB710_MMC_H
#define LINUX_CB710_MMC_H

#include <linux/cb710.h>

/* per-MMC-reader structure */
struct cb710_mmc_reader {
	struct tasklet_struct finish_req_tasklet;
	struct mmc_request *mrq;
	spinlock_t irq_lock;
	unsigned char last_power_mode;
};

/* some device struct walking */

static inline struct mmc_host *cb710_slot_to_mmc(struct cb710_slot *slot)
{
	return platform_get_drvdata(&slot->pdev);
}

static inline struct cb710_slot *cb710_mmc_to_slot(struct mmc_host *mmc)
{
	struct platform_device *pdev = to_platform_device(mmc_dev(mmc));
	return cb710_pdev_to_slot(pdev);
}

/* registers (this might be all wrong ;) */

#define CB710_MMC_DATA_PORT		0x00

#define CB710_MMC_CONFIG_PORT		0x04
#define CB710_MMC_CONFIG0_PORT		0x04
#define CB710_MMC_CONFIG1_PORT		0x05
#define   CB710_MMC_C1_4BIT_DATA_BUS		0x40
#define CB710_MMC_CONFIG2_PORT		0x06
#define   CB710_MMC_C2_READ_PIO_SIZE_MASK	0x0F	/* N-1 */
#define CB710_MMC_CONFIG3_PORT		0x07

#define CB710_MMC_CONFIGB_PORT		0x08

#define CB710_MMC_IRQ_ENABLE_PORT	0x0C
#define   CB710_MMC_IE_TEST_MASK		0x00BF
#define   CB710_MMC_IE_CARD_INSERTION_STATUS	0x1000
#define   CB710_MMC_IE_IRQ_ENABLE		0x8000
#define   CB710_MMC_IE_CISTATUS_MASK		\
		(CB710_MMC_IE_CARD_INSERTION_STATUS|CB710_MMC_IE_IRQ_ENABLE)

#define CB710_MMC_STATUS_PORT		0x10
#define   CB710_MMC_STATUS_ERROR_EVENTS		0x60FF
#define CB710_MMC_STATUS0_PORT		0x10
#define   CB710_MMC_S0_FIFO_UNDERFLOW		0x40
#define CB710_MMC_STATUS1_PORT		0x11
#define   CB710_MMC_S1_COMMAND_SENT		0x01
#define   CB710_MMC_S1_DATA_TRANSFER_DONE	0x02
#define   CB710_MMC_S1_PIO_TRANSFER_DONE	0x04
#define   CB710_MMC_S1_CARD_CHANGED		0x10
#define   CB710_MMC_S1_RESET			0x20
#define CB710_MMC_STATUS2_PORT		0x12
#define   CB710_MMC_S2_FIFO_READY		0x01
#define   CB710_MMC_S2_FIFO_EMPTY		0x02
#define   CB710_MMC_S2_BUSY_10			0x10
#define   CB710_MMC_S2_BUSY_20			0x20
#define CB710_MMC_STATUS3_PORT		0x13
#define   CB710_MMC_S3_CARD_DETECTED		0x02
#define   CB710_MMC_S3_WRITE_PROTECTED		0x04

#define CB710_MMC_CMD_TYPE_PORT		0x14
#define   CB710_MMC_RSP_TYPE_MASK		0x0007
#define     CB710_MMC_RSP_R1			(0)
#define     CB710_MMC_RSP_136			(5)
#define     CB710_MMC_RSP_NO_CRC		(2)
#define   CB710_MMC_RSP_PRESENT_MASK		0x0018
#define     CB710_MMC_RSP_NONE			(0 << 3)
#define     CB710_MMC_RSP_PRESENT		(1 << 3)
#define     CB710_MMC_RSP_PRESENT_X		(2 << 3)
#define   CB710_MMC_CMD_TYPE_MASK		0x0060
#define     CB710_MMC_CMD_BC			(0 << 5)
#define     CB710_MMC_CMD_BCR			(1 << 5)
#define     CB710_MMC_CMD_AC			(2 << 5)
#define     CB710_MMC_CMD_ADTC			(3 << 5)
#define   CB710_MMC_DATA_READ			0x0080
#define   CB710_MMC_CMD_CODE_MASK		0x3F00
#define   CB710_MMC_CMD_CODE_SHIFT		8
#define   CB710_MMC_IS_APP_CMD			0x4000
#define   CB710_MMC_RSP_BUSY			0x8000

#define CB710_MMC_CMD_PARAM_PORT	0x18
#define CB710_MMC_TRANSFER_SIZE_PORT	0x1C
#define CB710_MMC_RESPONSE0_PORT	0x20
#define CB710_MMC_RESPONSE1_PORT	0x24
#define CB710_MMC_RESPONSE2_PORT	0x28
#define CB710_MMC_RESPONSE3_PORT	0x2C

#endif /* LINUX_CB710_MMC_H */
Commit	Line	Data
5f5bac82 MM	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	{
6e2c0f3f	27	return platform_get_drvdata(&slot->pdev);
5f5bac82 MM	28	}
	29
	30	static inline struct cb710_slot cb710_mmc_to_slot(struct mmc_host mmc)
	31	{
12dd7fe2	32	struct platform_device *pdev = to_platform_device(mmc_dev(mmc));
5f5bac82 MM	33	return cb710_pdev_to_slot(pdev);
	34	}
	35
	36	/* registers (this might be all wrong ;) */
	37
	38	#define CB710_MMC_DATA_PORT 0x00
	39
	40	#define CB710_MMC_CONFIG_PORT 0x04
	41	#define CB710_MMC_CONFIG0_PORT 0x04
	42	#define CB710_MMC_CONFIG1_PORT 0x05
	43	#define CB710_MMC_C1_4BIT_DATA_BUS 0x40
	44	#define CB710_MMC_CONFIG2_PORT 0x06
	45	#define CB710_MMC_C2_READ_PIO_SIZE_MASK 0x0F /* N-1 */
	46	#define CB710_MMC_CONFIG3_PORT 0x07
	47
	48	#define CB710_MMC_CONFIGB_PORT 0x08
	49
	50	#define CB710_MMC_IRQ_ENABLE_PORT 0x0C
	51	#define CB710_MMC_IE_TEST_MASK 0x00BF
	52	#define CB710_MMC_IE_CARD_INSERTION_STATUS 0x1000
	53	#define CB710_MMC_IE_IRQ_ENABLE 0x8000
	54	#define CB710_MMC_IE_CISTATUS_MASK \
	55	(CB710_MMC_IE_CARD_INSERTION_STATUS\|CB710_MMC_IE_IRQ_ENABLE)
	56
	57	#define CB710_MMC_STATUS_PORT 0x10
	58	#define CB710_MMC_STATUS_ERROR_EVENTS 0x60FF
	59	#define CB710_MMC_STATUS0_PORT 0x10
	60	#define CB710_MMC_S0_FIFO_UNDERFLOW 0x40
	61	#define CB710_MMC_STATUS1_PORT 0x11
	62	#define CB710_MMC_S1_COMMAND_SENT 0x01
	63	#define CB710_MMC_S1_DATA_TRANSFER_DONE 0x02
	64	#define CB710_MMC_S1_PIO_TRANSFER_DONE 0x04
	65	#define CB710_MMC_S1_CARD_CHANGED 0x10
	66	#define CB710_MMC_S1_RESET 0x20
	67	#define CB710_MMC_STATUS2_PORT 0x12
	68	#define CB710_MMC_S2_FIFO_READY 0x01
	69	#define CB710_MMC_S2_FIFO_EMPTY 0x02
	70	#define CB710_MMC_S2_BUSY_10 0x10
	71	#define CB710_MMC_S2_BUSY_20 0x20
	72	#define CB710_MMC_STATUS3_PORT 0x13
	73	#define CB710_MMC_S3_CARD_DETECTED 0x02
	74	#define CB710_MMC_S3_WRITE_PROTECTED 0x04
	75
	76	#define CB710_MMC_CMD_TYPE_PORT 0x14
	77	#define CB710_MMC_RSP_TYPE_MASK 0x0007
	78	#define CB710_MMC_RSP_R1 (0)
	79	#define CB710_MMC_RSP_136 (5)
	80	#define CB710_MMC_RSP_NO_CRC (2)
	81	#define CB710_MMC_RSP_PRESENT_MASK 0x0018
	82	#define CB710_MMC_RSP_NONE (0 << 3)
	83	#define CB710_MMC_RSP_PRESENT (1 << 3)
	84	#define CB710_MMC_RSP_PRESENT_X (2 << 3)
	85	#define CB710_MMC_CMD_TYPE_MASK 0x0060
	86	#define CB710_MMC_CMD_BC (0 << 5)
	87	#define CB710_MMC_CMD_BCR (1 << 5)
	88	#define CB710_MMC_CMD_AC (2 << 5)
	89	#define CB710_MMC_CMD_ADTC (3 << 5)
	90	#define CB710_MMC_DATA_READ 0x0080
	91	#define CB710_MMC_CMD_CODE_MASK 0x3F00
	92	#define CB710_MMC_CMD_CODE_SHIFT 8
	93	#define CB710_MMC_IS_APP_CMD 0x4000
	94	#define CB710_MMC_RSP_BUSY 0x8000
	95
	96	#define CB710_MMC_CMD_PARAM_PORT 0x18
97	#define CB710_MMC_TRANSFER_SIZE_PORT 0x1C
98	#define CB710_MMC_RESPONSE0_PORT 0x20
99	#define CB710_MMC_RESPONSE1_PORT 0x24
100	#define CB710_MMC_RESPONSE2_PORT 0x28
101	#define CB710_MMC_RESPONSE3_PORT 0x2C
102
103	#endif /* LINUX_CB710_MMC_H */