1/* SPDX-License-Identifier: GPL-2.0 */
2#ifndef _PARISC_HARDWARE_H
3#define _PARISC_HARDWARE_H
4
5#include <linux/mod_devicetable.h>
6
7#define HWTYPE_ANY_ID		PA_HWTYPE_ANY_ID
8#define HVERSION_ANY_ID		PA_HVERSION_ANY_ID
9#define HVERSION_REV_ANY_ID	PA_HVERSION_REV_ANY_ID
10#define SVERSION_ANY_ID		PA_SVERSION_ANY_ID
11
12struct hp_hardware {
13	unsigned int	hw_type:8;	/* HPHW_xxx */
14	unsigned int	hversion:12;
15	unsigned int	sversion:12;
16	unsigned char	opt;
17	unsigned char	name[59];	/* The hardware description */
18} __packed;
19
20struct parisc_device;
21
22enum cpu_type {
23	pcx	= 0, /* pa7000		pa 1.0  */
24	pcxs	= 1, /* pa7000		pa 1.1a */
25	pcxt	= 2, /* pa7100		pa 1.1b */
26	pcxt_	= 3, /* pa7200	(t')	pa 1.1c */
27	pcxl	= 4, /* pa7100lc	pa 1.1d */
28	pcxl2	= 5, /* pa7300lc	pa 1.1e */
29	pcxu	= 6, /* pa8000		pa 2.0  */
30	pcxu_	= 7, /* pa8200	(u+)	pa 2.0  */
31	pcxw	= 8, /* pa8500		pa 2.0  */
32	pcxw_	= 9, /* pa8600	(w+)	pa 2.0  */
33	pcxw2	= 10, /* pa8700		pa 2.0  */
34	mako	= 11, /* pa8800		pa 2.0  */
35	mako2	= 12  /* pa8900		pa 2.0  */
36};
37
38extern const char * const cpu_name_version[][2]; /* mapping from enum cpu_type to strings */
39
40struct parisc_driver;
41
42struct io_module {
43        volatile uint32_t nothing;		/* reg 0 */
44        volatile uint32_t io_eim;
45        volatile uint32_t io_dc_adata;
46        volatile uint32_t io_ii_cdata;
47        volatile uint32_t io_dma_link;		/* reg 4 */
48        volatile uint32_t io_dma_command;
49        volatile uint32_t io_dma_address;
50        volatile uint32_t io_dma_count;
51        volatile uint32_t io_flex;		/* reg 8 */
52        volatile uint32_t io_spa_address;
53        volatile uint32_t reserved1[2];
54        volatile uint32_t io_command;		/* reg 12 */
55        volatile uint32_t io_status;
56        volatile uint32_t io_control;
57        volatile uint32_t io_data;
58        volatile uint32_t reserved2;		/* reg 16 */
59        volatile uint32_t chain_addr;
60        volatile uint32_t sub_mask_clr;
61        volatile uint32_t reserved3[13];
62        volatile uint32_t undefined[480];
63        volatile uint32_t unpriv[512];
64};
65
66struct bc_module {
67        volatile uint32_t unused1[12];
68        volatile uint32_t io_command;
69        volatile uint32_t io_status;
70        volatile uint32_t io_control;
71        volatile uint32_t unused2[1];
72        volatile uint32_t io_err_resp;
73        volatile uint32_t io_err_info;
74        volatile uint32_t io_err_req;
75        volatile uint32_t unused3[11];
76        volatile uint32_t io_io_low;
77        volatile uint32_t io_io_high;
78};
79
80#define HPHW_NPROC     0
81#define HPHW_MEMORY    1
82#define HPHW_B_DMA     2
83#define HPHW_OBSOLETE  3
84#define HPHW_A_DMA     4
85#define HPHW_A_DIRECT  5
86#define HPHW_OTHER     6
87#define HPHW_BCPORT    7
88#define HPHW_CIO       8
89#define HPHW_CONSOLE   9
90#define HPHW_FIO       10
91#define HPHW_BA        11
92#define HPHW_IOA       12
93#define HPHW_BRIDGE    13
94#define HPHW_FABRIC    14
95#define HPHW_MC	       15
96#define HPHW_FAULTY    31
97
98struct parisc_device_id;
99
100/* hardware.c: */
101extern const char *parisc_hardware_description(struct parisc_device_id *id);
102extern enum cpu_type parisc_get_cpu_type(unsigned long hversion);
103
104struct pci_dev;
105struct hardware_path;
106
107/* drivers.c: */
108extern struct parisc_device *alloc_pa_dev(unsigned long hpa,
109		struct hardware_path *path);
110extern int register_parisc_device(struct parisc_device *dev);
111extern int register_parisc_driver(struct parisc_driver *driver);
112extern int count_parisc_driver(struct parisc_driver *driver);
113extern int unregister_parisc_driver(struct parisc_driver *driver);
114extern void walk_central_bus(void);
115extern const struct parisc_device *find_pa_parent_type(const struct parisc_device *, int);
116extern void print_parisc_devices(void);
117extern char *print_pa_hwpath(struct parisc_device *dev, char *path);
118extern char *print_pci_hwpath(struct pci_dev *dev, char *path);
119extern void get_pci_node_path(struct pci_dev *dev, struct hardware_path *path);
120extern void init_parisc_bus(void);
121extern struct device *hwpath_to_device(struct hardware_path *modpath);
122extern void device_to_hwpath(struct device *dev, struct hardware_path *path);
123extern int machine_has_merced_bus(void);
124
125/* inventory.c: */
126extern void do_memory_inventory(void);
127extern void do_device_inventory(void);
128
129#endif /* _PARISC_HARDWARE_H */
130