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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/arch/parisc/include/asm/hardware.h
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/* SPDX-License-Identifier: GPL-2.0 */

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#ifndef _PARISC_HARDWARE_H

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#define _PARISC_HARDWARE_H

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#include <linux/mod_devicetable.h>

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#define HWTYPE_ANY_ID		PA_HWTYPE_ANY_ID

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#define HVERSION_ANY_ID		PA_HVERSION_ANY_ID

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#define HVERSION_REV_ANY_ID	PA_HVERSION_REV_ANY_ID

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#define SVERSION_ANY_ID		PA_SVERSION_ANY_ID

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struct hp_hardware {

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	unsigned int	hw_type:8;	/* HPHW_xxx */

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	unsigned int	hversion:12;

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	unsigned int	sversion:12;

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	unsigned char	opt;

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	unsigned char	name[59];	/* The hardware description */

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} __packed;

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struct parisc_device;

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enum cpu_type {

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	pcx	= 0, /* pa7000		pa 1.0  */

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	pcxs	= 1, /* pa7000		pa 1.1a */

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	pcxt	= 2, /* pa7100		pa 1.1b */

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	pcxt_	= 3, /* pa7200	(t')	pa 1.1c */

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	pcxl	= 4, /* pa7100lc	pa 1.1d */

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	pcxl2	= 5, /* pa7300lc	pa 1.1e */

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	pcxu	= 6, /* pa8000		pa 2.0  */

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	pcxu_	= 7, /* pa8200	(u+)	pa 2.0  */

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	pcxw	= 8, /* pa8500		pa 2.0  */

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	pcxw_	= 9, /* pa8600	(w+)	pa 2.0  */

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	pcxw2	= 10, /* pa8700		pa 2.0  */

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	mako	= 11, /* pa8800		pa 2.0  */

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	mako2	= 12  /* pa8900		pa 2.0  */

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};

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extern const char * const cpu_name_version[][2]; /* mapping from enum cpu_type to strings */

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struct parisc_driver;

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struct io_module {

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        volatile uint32_t nothing;		/* reg 0 */

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        volatile uint32_t io_eim;

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        volatile uint32_t io_dc_adata;

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        volatile uint32_t io_ii_cdata;

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        volatile uint32_t io_dma_link;		/* reg 4 */

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        volatile uint32_t io_dma_command;

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        volatile uint32_t io_dma_address;

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        volatile uint32_t io_dma_count;

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        volatile uint32_t io_flex;		/* reg 8 */

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        volatile uint32_t io_spa_address;

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        volatile uint32_t reserved1[2];

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        volatile uint32_t io_command;		/* reg 12 */

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        volatile uint32_t io_status;

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        volatile uint32_t io_control;

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        volatile uint32_t io_data;

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        volatile uint32_t reserved2;		/* reg 16 */

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        volatile uint32_t chain_addr;

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        volatile uint32_t sub_mask_clr;

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        volatile uint32_t reserved3[13];

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        volatile uint32_t undefined[480];

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        volatile uint32_t unpriv[512];

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};

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struct bc_module {

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        volatile uint32_t unused1[12];

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        volatile uint32_t io_command;

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        volatile uint32_t io_status;

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        volatile uint32_t io_control;

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        volatile uint32_t unused2[1];

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        volatile uint32_t io_err_resp;

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        volatile uint32_t io_err_info;

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        volatile uint32_t io_err_req;

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        volatile uint32_t unused3[11];

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        volatile uint32_t io_io_low;

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        volatile uint32_t io_io_high;

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};

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#define HPHW_NPROC     0 

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#define HPHW_MEMORY    1       

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#define HPHW_B_DMA     2

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#define HPHW_OBSOLETE  3

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#define HPHW_A_DMA     4

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#define HPHW_A_DIRECT  5

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#define HPHW_OTHER     6

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#define HPHW_BCPORT    7

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#define HPHW_CIO       8

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#define HPHW_CONSOLE   9

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#define HPHW_FIO       10

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#define HPHW_BA        11

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#define HPHW_IOA       12

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#define HPHW_BRIDGE    13

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#define HPHW_FABRIC    14

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#define HPHW_MC	       15

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#define HPHW_FAULTY    31

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struct parisc_device_id;

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/* hardware.c: */

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extern const char *parisc_hardware_description(struct parisc_device_id *id);

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extern enum cpu_type parisc_get_cpu_type(unsigned long hversion);

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struct pci_dev;

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struct hardware_path;

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/* drivers.c: */

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extern struct parisc_device *alloc_pa_dev(unsigned long hpa,

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		struct hardware_path *path);

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extern int register_parisc_device(struct parisc_device *dev);

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extern int register_parisc_driver(struct parisc_driver *driver);

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extern int count_parisc_driver(struct parisc_driver *driver);

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extern int unregister_parisc_driver(struct parisc_driver *driver);

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extern void walk_central_bus(void);

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extern const struct parisc_device *find_pa_parent_type(const struct parisc_device *, int);

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extern void print_parisc_devices(void);

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extern char *print_pa_hwpath(struct parisc_device *dev, char *path);

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extern char *print_pci_hwpath(struct pci_dev *dev, char *path);

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extern void get_pci_node_path(struct pci_dev *dev, struct hardware_path *path);

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extern void init_parisc_bus(void);

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extern struct device *hwpath_to_device(struct hardware_path *modpath);

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extern void device_to_hwpath(struct device *dev, struct hardware_path *path);

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extern int machine_has_merced_bus(void);

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/* inventory.c: */

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extern void do_memory_inventory(void);

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extern void do_device_inventory(void);

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#endif /* _PARISC_HARDWARE_H */

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