arch/alpha/kernel/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
  14 struct pt_regs;
  15 struct task_struct;
  16 struct pci_dev;
  17 struct pci_controller;
  18 struct pci_bus;
  19
  20 /* core_cia.c */
  21 extern struct pci_ops cia_pci_ops;
  22 extern void cia_init_pci(void);
  23 extern void cia_init_arch(void);
  24 extern void pyxis_init_arch(void);
  25 extern void cia_kill_arch(int);
  26 extern void cia_machine_check(unsigned long vector, unsigned long la_ptr);
  27 extern void cia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
  28
  29 /* core_irongate.c */
  30 extern struct pci_ops irongate_pci_ops;
  31 extern int irongate_pci_clr_err(void);
  32 extern void irongate_init_arch(void);
  33 #define irongate_pci_tbi ((void *)0)
  34
  35 /* core_marvel.c */
  36 extern struct pci_ops marvel_pci_ops;
  37 extern void marvel_init_arch(void);
  38 extern void marvel_kill_arch(int);
  39 extern void marvel_machine_check(unsigned long, unsigned long);
  40 extern void marvel_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
  41 extern struct _alpha_agp_info *marvel_agp_info(void);
  42 struct io7 *marvel_find_io7(int pe);
  43 struct io7 *marvel_next_io7(struct io7 *prev);
  44 void io7_clear_errors(struct io7 *io7);
  45
  46 /* core_mcpcia.c */
  47 extern struct pci_ops mcpcia_pci_ops;
  48 extern void mcpcia_init_arch(void);
  49 extern void mcpcia_init_hoses(void);
  50 extern void mcpcia_machine_check(unsigned long vector, unsigned long la_ptr);
  51 extern void mcpcia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
  52
  53 /* core_polaris.c */
  54 extern struct pci_ops polaris_pci_ops;
  55 extern int polaris_read_config_dword(struct pci_dev *, int, u32 *);
  56 extern int polaris_write_config_dword(struct pci_dev *, int, u32);
  57 extern void polaris_init_arch(void);
  58 extern void polaris_machine_check(unsigned long vector, unsigned long la_ptr);
  59 #define polaris_pci_tbi ((void *)0)
  60
  61 /* core_t2.c */
  62 extern struct pci_ops t2_pci_ops;
  63 extern void t2_init_arch(void);
  64 extern void t2_kill_arch(int);
  65 extern void t2_machine_check(unsigned long vector, unsigned long la_ptr);
  66 extern void t2_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
  67
  68 /* core_titan.c */
  69 extern struct pci_ops titan_pci_ops;
  70 extern void titan_init_arch(void);
  71 extern void titan_kill_arch(int);
  72 extern void titan_machine_check(unsigned long, unsigned long);
  73 extern void titan_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
  74 extern struct _alpha_agp_info *titan_agp_info(void);
  75
  76 /* core_tsunami.c */
  77 extern struct pci_ops tsunami_pci_ops;
  78 extern void tsunami_init_arch(void);
  79 extern void tsunami_kill_arch(int);
  80 extern void tsunami_machine_check(unsigned long vector, unsigned long la_ptr);
  81 extern void tsunami_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
  82
  83 /* core_wildfire.c */
  84 extern struct pci_ops wildfire_pci_ops;
  85 extern void wildfire_init_arch(void);
  86 extern void wildfire_kill_arch(int);
  87 extern void wildfire_machine_check(unsigned long vector, unsigned long la_ptr);
  88 extern void wildfire_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
  89
  90 /* console.c */
  91 #ifdef CONFIG_VGA_HOSE
  92 extern void find_console_vga_hose(void);
  93 extern void locate_and_init_vga(void *(*)(void *, void *));
  94 #else
  95 static inline void find_console_vga_hose(void) { }
  96 static inline void locate_and_init_vga(void *(*sel_func)(void *, void *)) { }
  97 #endif
  98
  99 /* setup.c */
 100 extern unsigned long srm_hae;
 101 extern int boot_cpuid;
 102 #ifdef CONFIG_VERBOSE_MCHECK
 103 extern unsigned long alpha_verbose_mcheck;
 104 #endif
 105 #ifdef CONFIG_BLK_DEV_INITRD
 106 extern void * __init move_initrd(unsigned long);
 107 #endif
 108 extern struct screen_info vgacon_screen_info;
 109
 110 /* srmcons.c */
 111 #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_SRM)
 112 extern void register_srm_console(void);
 113 extern void unregister_srm_console(void);
 114 #else
 115 #define register_srm_console()
 116 #define unregister_srm_console()
 117 #endif
 118
 119 /* smp.c */
 120 extern void setup_smp(void);
 121 extern void handle_ipi(struct pt_regs *);
 122 extern void __init smp_callin(void);
 123
 124 /* bios32.c */
 125 /* extern void reset_for_srm(void); */
 126
 127 /* time.c */
 128 extern irqreturn_t rtc_timer_interrupt(int irq, void *dev);
 129 extern void init_clockevent(void);
 130 extern void common_init_rtc(void);
 131 extern unsigned long est_cycle_freq;
 132
 133 /* smc37c93x.c */
 134 extern int __init SMC93x_Init(void);
 135
 136 /* smc37c669.c */
 137 extern void __init SMC669_Init(int);
 138
 139 /* es1888.c */
 140 extern void __init es1888_init(void);
 141
 142 /* ../lib/fpreg.c */
 143 extern void alpha_write_fp_reg (unsigned long reg, unsigned long val);
 144 extern unsigned long alpha_read_fp_reg (unsigned long reg);
 145
 146 /* head.S */
 147 extern void wrmces(unsigned long mces);
 148 extern void cserve_ena(unsigned long);
 149 extern void cserve_dis(unsigned long);
 150 extern void __smp_callin(unsigned long);
 151
 152 /* entry.S */
 153 extern void entArith(void);
 154 extern void entIF(void);
 155 extern void entInt(void);
 156 extern void entMM(void);
 157 extern void entSys(void);
 158 extern void entUna(void);
 159 extern void entDbg(void);
 160
 161 /* pci.c */
 162 extern void pcibios_claim_one_bus(struct pci_bus *);
 163
 164 /* ptrace.c */
 165 extern int ptrace_set_bpt (struct task_struct *child);
 166 extern int ptrace_cancel_bpt (struct task_struct *child);
 167 extern void syscall_trace_leave(void);
 168 extern unsigned long syscall_trace_enter(void);
 169
 170 /* signal.c */
 171 struct sigcontext;
 172 extern void do_sigreturn(struct sigcontext __user *);
 173 struct rt_sigframe;
 174 extern void do_rt_sigreturn(struct rt_sigframe __user *);
 175 extern void do_work_pending(struct pt_regs *, unsigned long, unsigned long, unsigned long);
 176
 177 /* traps.c */
 178 extern void dik_show_regs(struct pt_regs *regs, unsigned long *r9_15);
 179 extern void die_if_kernel(char *, struct pt_regs *, long, unsigned long *);
 180 extern void do_entInt(unsigned long, unsigned long, unsigned long, struct pt_regs *);
 181 extern void do_entArith(unsigned long, unsigned long, struct pt_regs *);
 182 extern void do_entIF(unsigned long, struct pt_regs *);
 183 extern void do_entDbg(struct pt_regs *);
 184 struct allregs;
 185 extern void do_entUna(void *, unsigned long, unsigned long, struct allregs *);
 186 extern void do_entUnaUser(void __user *, unsigned long, unsigned long, struct pt_regs *);
 187
 188 /* sys_titan.c */
 189 extern void titan_dispatch_irqs(u64);
 190
 191 /* ../mm/init.c */
 192 extern void srm_paging_stop(void);
 193
 194 static 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
 212 extern 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
 224 extern void process_mcheck_info(unsigned long vector, unsigned long la_ptr,
 225                                 const char *machine, int expected);