1/*
2 * BK Id: %F% %I% %G% %U% %#%
3 */
4#ifdef __KERNEL__
5#ifndef _PPC_MACHDEP_H
6#define _PPC_MACHDEP_H
7
8#include <linux/config.h>
9
10#ifdef CONFIG_APUS
11#include <asm-m68k/machdep.h>
12#endif
13
14struct pt_regs;
15struct pci_bus;
16struct pci_dev;
17struct seq_file;
18
19/* We export this macro for external modules like Alsa to know if
20 * ppc_md.feature_call is implemented or not
21 */
22#define CONFIG_PPC_HAS_FEATURE_CALLS
23
24struct machdep_calls {
25	void		(*setup_arch)(void);
26	/* Optional, may be NULL. */
27	int		(*show_cpuinfo)(struct seq_file *m);
28	int		(*show_percpuinfo)(struct seq_file *m, int i);
29	/* Optional, may be NULL. */
30	unsigned int	(*irq_cannonicalize)(unsigned int irq);
31	void		(*init_IRQ)(void);
32	int		(*get_irq)(struct pt_regs *);
33
34	/* A general init function, called by ppc_init in init/main.c.
35	   May be NULL. */
36	void		(*init)(void);
37
38	void		(*restart)(char *cmd);
39	void		(*power_off)(void);
40	void		(*halt)(void);
41
42	long		(*time_init)(void); /* Optional, may be NULL */
43	int		(*set_rtc_time)(unsigned long nowtime);
44	unsigned long	(*get_rtc_time)(void);
45	void		(*calibrate_decr)(void);
46	void		(*heartbeat)(void);
47
48	unsigned long	(*find_end_of_memory)(void);
49	void		(*setup_io_mappings)(void);
50
51  	void		(*progress)(char *, unsigned short);
52
53	unsigned char 	(*nvram_read_val)(int addr);
54	void		(*nvram_write_val)(int addr, unsigned char val);
55
56	/* Called from prepare_namespace() */
57	void		(*discover_root)(void);
58
59	/* Tons of keyboard stuff. */
60	int		(*kbd_setkeycode)(unsigned int scancode,
61				unsigned int keycode);
62	int		(*kbd_getkeycode)(unsigned int scancode);
63	int		(*kbd_translate)(unsigned char scancode,
64				unsigned char *keycode,
65				char raw_mode);
66	char		(*kbd_unexpected_up)(unsigned char keycode);
67	void		(*kbd_leds)(unsigned char leds);
68	void		(*kbd_init_hw)(void);
69	unsigned char 	*ppc_kbd_sysrq_xlate;
70
71	/*
72	 * optional PCI "hooks"
73	 */
74
75	/* Called after scanning the bus, before allocating resources */
76	void (*pcibios_fixup)(void);
77
78	/* Called after PPC generic resource fixup to perform
79	   machine specific fixups */
80	void (*pcibios_fixup_resources)(struct pci_dev *);
81
82	/* Called for each PCI bus in the system when it's probed */
83	void (*pcibios_fixup_bus)(struct pci_bus *);
84
85	/* Called when pci_enable_device() is called (initial=0) or
86	 * when a device with no assigned resource is found (initial=1).
87	 * Returns 0 to allow assignment/enabling of the device. */
88	int  (*pcibios_enable_device_hook)(struct pci_dev *, int initial);
89
90	/* For interrupt routing */
91	unsigned char (*pci_swizzle)(struct pci_dev *, unsigned char *);
92	int (*pci_map_irq)(struct pci_dev *, unsigned char, unsigned char);
93
94	/* Called in indirect_* to avoid touching devices */
95	int (*pci_exclude_device)(unsigned char, unsigned char);
96
97	/* Called at then very end of pcibios_init() */
98	void (*pcibios_after_init)(void);
99
100	/* this is for modules, since _machine can be a define -- Cort */
101	int ppc_machine;
102
103	/* Motherboard/chipset features. This is a kind of general purpose
104	 * hook used to control some machine specific features (like reset
105	 * lines, chip power control, etc...).
106	 */
107	int (*feature_call)(unsigned int feature, ...);
108
109#ifdef CONFIG_SMP
110	/* functions for dealing with other cpus */
111	struct smp_ops_t *smp_ops;
112#endif /* CONFIG_SMP */
113};
114
115extern struct machdep_calls ppc_md;
116extern char cmd_line[];
117
118extern void setup_pci_ptrs(void);
119
120/*
121 * Power macintoshes have either a CUDA or a PMU controlling
122 * system reset, power, NVRAM, RTC.
123 */
124typedef enum sys_ctrler_kind {
125	SYS_CTRLER_UNKNOWN = 0,
126	SYS_CTRLER_CUDA = 1,
127	SYS_CTRLER_PMU = 2,
128} sys_ctrler_t;
129
130extern sys_ctrler_t sys_ctrler;
131
132#ifdef CONFIG_SMP
133struct smp_ops_t {
134	void  (*message_pass)(int target, int msg, unsigned long data, int wait);
135	int   (*probe)(void);
136	void  (*kick_cpu)(int nr);
137	void  (*setup_cpu)(int nr);
138};
139#endif /* CONFIG_SMP */
140
141#endif /* _PPC_MACHDEP_H */
142#endif /* __KERNEL__ */
143