proto.h

  1/* SPDX-License-Identifier: GPL-2.0 */
  2#include <linux/interrupt.h>
  3#include <linux/screen_info.h>
  4#include <linux/io.h>
  5
  6/* Prototypes of functions used across modules here in this directory.  */
  7
  8#define vucp	volatile unsigned char  *
  9#define vusp	volatile unsigned short *
 10#define vip	volatile int *
 11#define vuip	volatile unsigned int   *
 12#define vulp	volatile unsigned long  *
 13
 14struct pt_regs;
 15struct task_struct;
 16struct pci_dev;
 17struct pci_controller;
 18struct pci_bus;
 19
 20/* core_cia.c */
 21extern struct pci_ops cia_pci_ops;
 22extern void cia_init_pci(void);
 23extern void cia_init_arch(void);
 24extern void pyxis_init_arch(void);
 25extern void cia_kill_arch(int);
 26extern void cia_machine_check(unsigned long vector, unsigned long la_ptr);
 27extern void cia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
 28
 29/* core_irongate.c */
 30extern struct pci_ops irongate_pci_ops;
 31extern int irongate_pci_clr_err(void);
 32extern void irongate_init_arch(void);
 33#define irongate_pci_tbi ((void *)0)
 34
 35/* core_marvel.c */
 36extern struct pci_ops marvel_pci_ops;
 37extern void marvel_init_arch(void);
 38extern void marvel_kill_arch(int);
 39extern void marvel_machine_check(unsigned long, unsigned long);
 40extern void marvel_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
 41extern struct _alpha_agp_info *marvel_agp_info(void);
 42struct io7 *marvel_find_io7(int pe);
 43struct io7 *marvel_next_io7(struct io7 *prev);
 44void io7_clear_errors(struct io7 *io7);
 45
 46/* core_mcpcia.c */
 47extern struct pci_ops mcpcia_pci_ops;
 48extern void mcpcia_init_arch(void);
 49extern void mcpcia_init_hoses(void);
 50extern void mcpcia_machine_check(unsigned long vector, unsigned long la_ptr);
 51extern void mcpcia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
 52
 53/* core_polaris.c */
 54extern struct pci_ops polaris_pci_ops;
 55extern int polaris_read_config_dword(struct pci_dev *, int, u32 *);
 56extern int polaris_write_config_dword(struct pci_dev *, int, u32);
 57extern void polaris_init_arch(void);
 58extern void polaris_machine_check(unsigned long vector, unsigned long la_ptr);
 59#define polaris_pci_tbi ((void *)0)
 60
 61/* core_t2.c */
 62extern struct pci_ops t2_pci_ops;
 63extern void t2_init_arch(void);
 64extern void t2_kill_arch(int);
 65extern void t2_machine_check(unsigned long vector, unsigned long la_ptr);
 66extern void t2_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
 67
 68/* core_titan.c */
 69extern struct pci_ops titan_pci_ops;
 70extern void titan_init_arch(void);
 71extern void titan_kill_arch(int);
 72extern void titan_machine_check(unsigned long, unsigned long);
 73extern void titan_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
 74extern struct _alpha_agp_info *titan_agp_info(void);
 75
 76/* core_tsunami.c */
 77extern struct pci_ops tsunami_pci_ops;
 78extern void tsunami_init_arch(void);
 79extern void tsunami_kill_arch(int);
 80extern void tsunami_machine_check(unsigned long vector, unsigned long la_ptr);
 81extern void tsunami_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
 82
 83/* core_wildfire.c */
 84extern struct pci_ops wildfire_pci_ops;
 85extern void wildfire_init_arch(void);
 86extern void wildfire_kill_arch(int);
 87extern void wildfire_machine_check(unsigned long vector, unsigned long la_ptr);
 88extern void wildfire_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
 89
 90/* console.c */
 91#ifdef CONFIG_VGA_HOSE
 92extern void find_console_vga_hose(void);
 93extern void locate_and_init_vga(void *(*)(void *, void *));
 94#else
 95static inline void find_console_vga_hose(void) { }
 96static inline void locate_and_init_vga(void *(*sel_func)(void *, void *)) { }
 97#endif
 98
 99/* setup.c */
100extern unsigned long srm_hae;
101extern int boot_cpuid;
102#ifdef CONFIG_VERBOSE_MCHECK
103extern unsigned long alpha_verbose_mcheck;
104#endif
105#ifdef CONFIG_BLK_DEV_INITRD
106extern void * __init move_initrd(unsigned long);
107#endif
108extern struct screen_info vgacon_screen_info;
109
110/* srmcons.c */
111#if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_SRM)
112extern void register_srm_console(void);
113extern void unregister_srm_console(void);
114#else
115#define register_srm_console()
116#define unregister_srm_console()
117#endif
118
119/* smp.c */
120extern void setup_smp(void);
121extern void handle_ipi(struct pt_regs *);
122extern void __init smp_callin(void);
123
124/* bios32.c */
125/* extern void reset_for_srm(void); */
126
127/* time.c */
128extern irqreturn_t rtc_timer_interrupt(int irq, void *dev);
129extern void init_clockevent(void);
130extern void common_init_rtc(void);
131extern unsigned long est_cycle_freq;
132
133/* smc37c93x.c */
134extern int __init SMC93x_Init(void);
135
136/* smc37c669.c */
137extern void __init SMC669_Init(int);
138
139/* es1888.c */
140extern void __init es1888_init(void);
141
142/* ../lib/fpreg.c */
143extern void alpha_write_fp_reg (unsigned long reg, unsigned long val);
144extern unsigned long alpha_read_fp_reg (unsigned long reg);
145
146/* head.S */
147extern void wrmces(unsigned long mces);
148extern void cserve_ena(unsigned long);
149extern void cserve_dis(unsigned long);
150extern void __smp_callin(unsigned long);
151
152/* entry.S */
153extern void entArith(void);
154extern void entIF(void);
155extern void entInt(void);
156extern void entMM(void);
157extern void entSys(void);
158extern void entUna(void);
159extern void entDbg(void);
160
161/* pci.c */
162extern void pcibios_claim_one_bus(struct pci_bus *);
163
164/* ptrace.c */
165extern int ptrace_set_bpt (struct task_struct *child);
166extern int ptrace_cancel_bpt (struct task_struct *child);
167extern void syscall_trace_leave(void);
168extern unsigned long syscall_trace_enter(void);
169
170/* signal.c */
171struct sigcontext;
172extern void do_sigreturn(struct sigcontext __user *);
173struct rt_sigframe;
174extern void do_rt_sigreturn(struct rt_sigframe __user *);
175extern void do_work_pending(struct pt_regs *, unsigned long, unsigned long, unsigned long);
176
177/* traps.c */
178extern void dik_show_regs(struct pt_regs *regs, unsigned long *r9_15);
179extern void die_if_kernel(char *, struct pt_regs *, long, unsigned long *);
180extern void do_entInt(unsigned long, unsigned long, unsigned long, struct pt_regs *);
181extern void do_entArith(unsigned long, unsigned long, struct pt_regs *);
182extern void do_entIF(unsigned long, struct pt_regs *);
183extern void do_entDbg(struct pt_regs *);
184struct allregs;
185extern void do_entUna(void *, unsigned long, unsigned long, struct allregs *);
186extern void do_entUnaUser(void __user *, unsigned long, unsigned long, struct pt_regs *);
187
188/* sys_titan.c */
189extern void titan_dispatch_irqs(u64);
190
191/* ../mm/init.c */
192extern void srm_paging_stop(void);
193
194static inline int
195__alpha_remap_area_pages(unsigned long address, unsigned long phys_addr,
196			 unsigned long size, unsigned long flags)
197{
198	pgprot_t prot;
199
200	prot = __pgprot(_PAGE_VALID | _PAGE_ASM | _PAGE_KRE
201			| _PAGE_KWE | flags);
202	return ioremap_page_range(address, address + size, phys_addr, prot);
203}
204
205/* irq.c */
206
207#ifdef CONFIG_SMP
208#define mcheck_expected(cpu)	(cpu_data[cpu].mcheck_expected)
209#define mcheck_taken(cpu)	(cpu_data[cpu].mcheck_taken)
210#define mcheck_extra(cpu)	(cpu_data[cpu].mcheck_extra)
211#else
212extern struct mcheck_info
213{
214	unsigned char expected __attribute__((aligned(8)));
215	unsigned char taken;
216	unsigned char extra;
217} __mcheck_info;
218
219#define mcheck_expected(cpu)	(*((void)(cpu), &__mcheck_info.expected))
220#define mcheck_taken(cpu)	(*((void)(cpu), &__mcheck_info.taken))
221#define mcheck_extra(cpu)	(*((void)(cpu), &__mcheck_info.extra))
222#endif
223
224extern void process_mcheck_info(unsigned long vector, unsigned long la_ptr,
225				const char *machine, int expected);