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
12 struct 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
20 struct parisc_device;
21
22 enum 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
38 extern const char * const cpu_name_version[][2]; /* mapping from enum cpu_type to strings */
39
40 struct parisc_driver;
41
42 struct 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
66 struct 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
98 struct parisc_device_id;
99
100 /* hardware.c: */
101 extern const char *parisc_hardware_description(struct parisc_device_id *id);
102 extern enum cpu_type parisc_get_cpu_type(unsigned long hversion);
103
104 struct pci_dev;
105 struct hardware_path;
106
107 /* drivers.c: */
108 extern struct parisc_device *alloc_pa_dev(unsigned long hpa,
109 struct hardware_path *path);
110 extern int register_parisc_device(struct parisc_device *dev);
111 extern int register_parisc_driver(struct parisc_driver *driver);
112 extern int count_parisc_driver(struct parisc_driver *driver);
113 extern int unregister_parisc_driver(struct parisc_driver *driver);
114 extern void walk_central_bus(void);
115 extern const struct parisc_device *find_pa_parent_type(const struct parisc_device *, int);
116 extern void print_parisc_devices(void);
117 extern char *print_pa_hwpath(struct parisc_device *dev, char *path);
118 extern char *print_pci_hwpath(struct pci_dev *dev, char *path);
119 extern void get_pci_node_path(struct pci_dev *dev, struct hardware_path *path);
120 extern void init_parisc_bus(void);
121 extern struct device *hwpath_to_device(struct hardware_path *modpath);
122 extern void device_to_hwpath(struct device *dev, struct hardware_path *path);
123 extern int machine_has_merced_bus(void);
124
125 /* inventory.c: */
126 extern void do_memory_inventory(void);
127 extern void do_device_inventory(void);
128
129 #endif /* _PARISC_HARDWARE_H */
130
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