drivers/pcmcia/cirrus.h

Source file repositories/reference/linux-study-clean/drivers/pcmcia/cirrus.h

File Facts

System
Linux kernel
Corpus path
drivers/pcmcia/cirrus.h
Extension
.h
Size
5154 bytes
Lines
148
Domain
Driver Families
Bucket
drivers/pcmcia
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef _LINUX_CIRRUS_H
#define _LINUX_CIRRUS_H

#define PD67_MISC_CTL_1		0x16	/* Misc control 1 */
#define PD67_FIFO_CTL		0x17	/* FIFO control */
#define PD67_MISC_CTL_2		0x1E	/* Misc control 2 */
#define PD67_CHIP_INFO		0x1f	/* Chip information */
#define PD67_ATA_CTL		0x026	/* 6730: ATA control */
#define PD67_EXT_INDEX		0x2e	/* Extension index */
#define PD67_EXT_DATA		0x2f	/* Extension data */

/* PD6722 extension registers -- indexed in PD67_EXT_INDEX */
#define PD67_DATA_MASK0		0x01	/* Data mask 0 */
#define PD67_DATA_MASK1		0x02	/* Data mask 1 */
#define PD67_DMA_CTL		0x03	/* DMA control */

/* PD6730 extension registers -- indexed in PD67_EXT_INDEX */
#define PD67_EXT_CTL_1		0x03	/* Extension control 1 */
#define PD67_MEM_PAGE(n)	((n)+5)	/* PCI window bits 31:24 */
#define PD67_EXTERN_DATA	0x0a
#define PD67_MISC_CTL_3		0x25
#define PD67_SMB_PWR_CTL	0x26

/* I/O window address offset */
#define PD67_IO_OFF(w)		(0x36+((w)<<1))

/* Timing register sets */
#define PD67_TIME_SETUP(n)	(0x3a + 3*(n))
#define PD67_TIME_CMD(n)	(0x3b + 3*(n))
#define PD67_TIME_RECOV(n)	(0x3c + 3*(n))

/* Flags for PD67_MISC_CTL_1 */
#define PD67_MC1_5V_DET		0x01	/* 5v detect */
#define PD67_MC1_MEDIA_ENA	0x01	/* 6730: Multimedia enable */
#define PD67_MC1_VCC_3V		0x02	/* 3.3v Vcc */
#define PD67_MC1_PULSE_MGMT	0x04
#define PD67_MC1_PULSE_IRQ	0x08
#define PD67_MC1_SPKR_ENA	0x10
#define PD67_MC1_INPACK_ENA	0x80

/* Flags for PD67_FIFO_CTL */
#define PD67_FIFO_EMPTY		0x80

/* Flags for PD67_MISC_CTL_2 */
#define PD67_MC2_FREQ_BYPASS	0x01
#define PD67_MC2_DYNAMIC_MODE	0x02
#define PD67_MC2_SUSPEND	0x04
#define PD67_MC2_5V_CORE	0x08
#define PD67_MC2_LED_ENA	0x10	/* IRQ 12 is LED enable */
#define PD67_MC2_FAST_PCI	0x10	/* 6729: PCI bus > 25 MHz */
#define PD67_MC2_3STATE_BIT7	0x20	/* Floppy change bit */
#define PD67_MC2_DMA_MODE	0x40
#define PD67_MC2_IRQ15_RI	0x80	/* IRQ 15 is ring enable */

/* Flags for PD67_CHIP_INFO */
#define PD67_INFO_SLOTS		0x20	/* 0 = 1 slot, 1 = 2 slots */
#define PD67_INFO_CHIP_ID	0xc0
#define PD67_INFO_REV		0x1c

/* Fields in PD67_TIME_* registers */
#define PD67_TIME_SCALE		0xc0
#define PD67_TIME_SCALE_1	0x00
#define PD67_TIME_SCALE_16	0x40
#define PD67_TIME_SCALE_256	0x80
#define PD67_TIME_SCALE_4096	0xc0
#define PD67_TIME_MULT		0x3f

/* Fields in PD67_DMA_CTL */
#define PD67_DMA_MODE		0xc0
#define PD67_DMA_OFF		0x00
#define PD67_DMA_DREQ_INPACK	0x40
#define PD67_DMA_DREQ_WP	0x80
#define PD67_DMA_DREQ_BVD2	0xc0
#define PD67_DMA_PULLUP		0x20	/* Disable socket pullups? */

/* Fields in PD67_EXT_CTL_1 */
#define PD67_EC1_VCC_PWR_LOCK	0x01
#define PD67_EC1_AUTO_PWR_CLEAR	0x02
#define PD67_EC1_LED_ENA	0x04
#define PD67_EC1_INV_CARD_IRQ	0x08
#define PD67_EC1_INV_MGMT_IRQ	0x10
#define PD67_EC1_PULLUP_CTL	0x20

/* Fields in PD67_MISC_CTL_3 */
#define PD67_MC3_IRQ_MASK	0x03
#define PD67_MC3_IRQ_PCPCI	0x00
#define PD67_MC3_IRQ_EXTERN	0x01
#define PD67_MC3_IRQ_PCIWAY	0x02
#define PD67_MC3_IRQ_PCI	0x03
#define PD67_MC3_PWR_MASK	0x0c

Annotation

Implementation Notes