alpha/kernel/proto.h

0001 /* SPDX-License-Identifier: GPL-2.0 */
0002 #include <linux/interrupt.h>
0003 #include <linux/io.h>
0004
0005 /* Prototypes of functions used across modules here in this directory.  */
0006
0007 #define vucp    volatile unsigned char  *
0008 #define vusp    volatile unsigned short *
0009 #define vip volatile int *
0010 #define vuip    volatile unsigned int   *
0011 #define vulp    volatile unsigned long  *
0012
0013 struct pt_regs;
0014 struct task_struct;
0015 struct pci_dev;
0016 struct pci_controller;
0017
0018 /* core_apecs.c */
0019 extern struct pci_ops apecs_pci_ops;
0020 extern void apecs_init_arch(void);
0021 extern void apecs_pci_clr_err(void);
0022 extern void apecs_machine_check(unsigned long vector, unsigned long la_ptr);
0023 extern void apecs_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
0024
0025 /* core_cia.c */
0026 extern struct pci_ops cia_pci_ops;
0027 extern void cia_init_pci(void);
0028 extern void cia_init_arch(void);
0029 extern void pyxis_init_arch(void);
0030 extern void cia_kill_arch(int);
0031 extern void cia_machine_check(unsigned long vector, unsigned long la_ptr);
0032 extern void cia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
0033
0034 /* core_irongate.c */
0035 extern struct pci_ops irongate_pci_ops;
0036 extern int irongate_pci_clr_err(void);
0037 extern void irongate_init_arch(void);
0038 #define irongate_pci_tbi ((void *)0)
0039
0040 /* core_lca.c */
0041 extern struct pci_ops lca_pci_ops;
0042 extern void lca_init_arch(void);
0043 extern void lca_machine_check(unsigned long vector, unsigned long la_ptr);
0044 extern void lca_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
0045
0046 /* core_marvel.c */
0047 extern struct pci_ops marvel_pci_ops;
0048 extern void marvel_init_arch(void);
0049 extern void marvel_kill_arch(int);
0050 extern void marvel_machine_check(unsigned long, unsigned long);
0051 extern void marvel_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
0052 extern struct _alpha_agp_info *marvel_agp_info(void);
0053 struct io7 *marvel_find_io7(int pe);
0054 struct io7 *marvel_next_io7(struct io7 *prev);
0055 void io7_clear_errors(struct io7 *io7);
0056
0057 /* core_mcpcia.c */
0058 extern struct pci_ops mcpcia_pci_ops;
0059 extern void mcpcia_init_arch(void);
0060 extern void mcpcia_init_hoses(void);
0061 extern void mcpcia_machine_check(unsigned long vector, unsigned long la_ptr);
0062 extern void mcpcia_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
0063
0064 /* core_polaris.c */
0065 extern struct pci_ops polaris_pci_ops;
0066 extern int polaris_read_config_dword(struct pci_dev *, int, u32 *);
0067 extern int polaris_write_config_dword(struct pci_dev *, int, u32);
0068 extern void polaris_init_arch(void);
0069 extern void polaris_machine_check(unsigned long vector, unsigned long la_ptr);
0070 #define polaris_pci_tbi ((void *)0)
0071
0072 /* core_t2.c */
0073 extern struct pci_ops t2_pci_ops;
0074 extern void t2_init_arch(void);
0075 extern void t2_kill_arch(int);
0076 extern void t2_machine_check(unsigned long vector, unsigned long la_ptr);
0077 extern void t2_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
0078
0079 /* core_titan.c */
0080 extern struct pci_ops titan_pci_ops;
0081 extern void titan_init_arch(void);
0082 extern void titan_kill_arch(int);
0083 extern void titan_machine_check(unsigned long, unsigned long);
0084 extern void titan_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
0085 extern struct _alpha_agp_info *titan_agp_info(void);
0086
0087 /* core_tsunami.c */
0088 extern struct pci_ops tsunami_pci_ops;
0089 extern void tsunami_init_arch(void);
0090 extern void tsunami_kill_arch(int);
0091 extern void tsunami_machine_check(unsigned long vector, unsigned long la_ptr);
0092 extern void tsunami_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
0093
0094 /* core_wildfire.c */
0095 extern struct pci_ops wildfire_pci_ops;
0096 extern void wildfire_init_arch(void);
0097 extern void wildfire_kill_arch(int);
0098 extern void wildfire_machine_check(unsigned long vector, unsigned long la_ptr);
0099 extern void wildfire_pci_tbi(struct pci_controller *, dma_addr_t, dma_addr_t);
0100
0101 /* console.c */
0102 #ifdef CONFIG_VGA_HOSE
0103 extern void find_console_vga_hose(void);
0104 extern void locate_and_init_vga(void *(*)(void *, void *));
0105 #else
0106 static inline void find_console_vga_hose(void) { }
0107 static inline void locate_and_init_vga(void *(*sel_func)(void *, void *)) { }
0108 #endif
0109
0110 /* setup.c */
0111 extern unsigned long srm_hae;
0112 extern int boot_cpuid;
0113 #ifdef CONFIG_VERBOSE_MCHECK
0114 extern unsigned long alpha_verbose_mcheck;
0115 #endif
0116
0117 /* srmcons.c */
0118 #if defined(CONFIG_ALPHA_GENERIC) || defined(CONFIG_ALPHA_SRM)
0119 extern void register_srm_console(void);
0120 extern void unregister_srm_console(void);
0121 #else
0122 #define register_srm_console()
0123 #define unregister_srm_console()
0124 #endif
0125
0126 /* smp.c */
0127 extern void setup_smp(void);
0128 extern void handle_ipi(struct pt_regs *);
0129
0130 /* bios32.c */
0131 /* extern void reset_for_srm(void); */
0132
0133 /* time.c */
0134 extern irqreturn_t rtc_timer_interrupt(int irq, void *dev);
0135 extern void init_clockevent(void);
0136 extern void common_init_rtc(void);
0137 extern unsigned long est_cycle_freq;
0138
0139 /* smc37c93x.c */
0140 extern void SMC93x_Init(void);
0141
0142 /* smc37c669.c */
0143 extern void SMC669_Init(int);
0144
0145 /* es1888.c */
0146 extern void es1888_init(void);
0147
0148 /* ../lib/fpreg.c */
0149 extern void alpha_write_fp_reg (unsigned long reg, unsigned long val);
0150 extern unsigned long alpha_read_fp_reg (unsigned long reg);
0151
0152 /* head.S */
0153 extern void wrmces(unsigned long mces);
0154 extern void cserve_ena(unsigned long);
0155 extern void cserve_dis(unsigned long);
0156 extern void __smp_callin(unsigned long);
0157
0158 /* entry.S */
0159 extern void entArith(void);
0160 extern void entIF(void);
0161 extern void entInt(void);
0162 extern void entMM(void);
0163 extern void entSys(void);
0164 extern void entUna(void);
0165 extern void entDbg(void);
0166
0167 /* ptrace.c */
0168 extern int ptrace_set_bpt (struct task_struct *child);
0169 extern int ptrace_cancel_bpt (struct task_struct *child);
0170
0171 /* traps.c */
0172 extern void dik_show_regs(struct pt_regs *regs, unsigned long *r9_15);
0173 extern void die_if_kernel(char *, struct pt_regs *, long, unsigned long *);
0174
0175 /* sys_titan.c */
0176 extern void titan_dispatch_irqs(u64);
0177
0178 /* ../mm/init.c */
0179 extern void switch_to_system_map(void);
0180 extern void srm_paging_stop(void);
0181
0182 static inline int
0183 __alpha_remap_area_pages(unsigned long address, unsigned long phys_addr,
0184              unsigned long size, unsigned long flags)
0185 {
0186     pgprot_t prot;
0187
0188     prot = __pgprot(_PAGE_VALID | _PAGE_ASM | _PAGE_KRE
0189             | _PAGE_KWE | flags);
0190     return ioremap_page_range(address, address + size, phys_addr, prot);
0191 }
0192
0193 /* irq.c */
0194
0195 #ifdef CONFIG_SMP
0196 #define mcheck_expected(cpu)    (cpu_data[cpu].mcheck_expected)
0197 #define mcheck_taken(cpu)   (cpu_data[cpu].mcheck_taken)
0198 #define mcheck_extra(cpu)   (cpu_data[cpu].mcheck_extra)
0199 #else
0200 extern struct mcheck_info
0201 {
0202     unsigned char expected __attribute__((aligned(8)));
0203     unsigned char taken;
0204     unsigned char extra;
0205 } __mcheck_info;
0206
0207 #define mcheck_expected(cpu)    (*((void)(cpu), &__mcheck_info.expected))
0208 #define mcheck_taken(cpu)   (*((void)(cpu), &__mcheck_info.taken))
0209 #define mcheck_extra(cpu)   (*((void)(cpu), &__mcheck_info.extra))
0210 #endif
0211
0212 extern void process_mcheck_info(unsigned long vector, unsigned long la_ptr,
0213                 const char *machine, int expected);