1 /* SPDX-License-Identifier: GPL-2.0 */ 2 #ifndef LINUX_SSB_PRIVATE_H_ 3 #define LINUX_SSB_PRIVATE_H_ 4 5 #define PFX "ssb: " 6 #define pr_fmt(fmt) PFX fmt 7 8 #include <linux/ssb/ssb.h> 9 #include <linux/types.h> 10 #include <linux/bcm47xx_wdt.h> 11 12 13 /* pci.c */ 14 #ifdef CONFIG_SSB_PCIHOST 15 extern int ssb_pci_switch_core(struct ssb_bus *bus, 16 struct ssb_device *dev); 17 extern int ssb_pci_switch_coreidx(struct ssb_bus *bus, 18 u8 coreidx); 19 extern int ssb_pci_xtal(struct ssb_bus *bus, u32 what, 20 int turn_on); 21 extern int ssb_pci_get_invariants(struct ssb_bus *bus, 22 struct ssb_init_invariants *iv); 23 extern void ssb_pci_exit(struct ssb_bus *bus); 24 extern int ssb_pci_init(struct ssb_bus *bus); 25 extern const struct ssb_bus_ops ssb_pci_ops; 26 27 #else /* CONFIG_SSB_PCIHOST */ 28 29 static inline int ssb_pci_switch_core(struct ssb_bus *bus, 30 struct ssb_device *dev) 31 { 32 return 0; 33 } 34 static inline int ssb_pci_switch_coreidx(struct ssb_bus *bus, 35 u8 coreidx) 36 { 37 return 0; 38 } 39 static inline int ssb_pci_xtal(struct ssb_bus *bus, u32 what, 40 int turn_on) 41 { 42 return 0; 43 } 44 static inline void ssb_pci_exit(struct ssb_bus *bus) 45 { 46 } 47 static inline int ssb_pci_init(struct ssb_bus *bus) 48 { 49 return 0; 50 } 51 #endif /* CONFIG_SSB_PCIHOST */ 52 53 54 /* pcmcia.c */ 55 #ifdef CONFIG_SSB_PCMCIAHOST 56 extern int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus, 57 u8 coreidx); 58 extern int ssb_pcmcia_switch_segment(struct ssb_bus *bus, 59 u8 seg); 60 extern int ssb_pcmcia_get_invariants(struct ssb_bus *bus, 61 struct ssb_init_invariants *iv); 62 extern int ssb_pcmcia_hardware_setup(struct ssb_bus *bus); 63 extern void ssb_pcmcia_exit(struct ssb_bus *bus); 64 extern int ssb_pcmcia_init(struct ssb_bus *bus); 65 extern int ssb_host_pcmcia_init(void); 66 extern void ssb_host_pcmcia_exit(void); 67 extern const struct ssb_bus_ops ssb_pcmcia_ops; 68 #else /* CONFIG_SSB_PCMCIAHOST */ 69 static inline int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus, 70 u8 coreidx) 71 { 72 return 0; 73 } 74 static inline int ssb_pcmcia_switch_segment(struct ssb_bus *bus, 75 u8 seg) 76 { 77 return 0; 78 } 79 static inline int ssb_pcmcia_hardware_setup(struct ssb_bus *bus) 80 { 81 return 0; 82 } 83 static inline void ssb_pcmcia_exit(struct ssb_bus *bus) 84 { 85 } 86 static inline int ssb_pcmcia_init(struct ssb_bus *bus) 87 { 88 return 0; 89 } 90 static inline int ssb_host_pcmcia_init(void) 91 { 92 return 0; 93 } 94 static inline void ssb_host_pcmcia_exit(void) 95 { 96 } 97 #endif /* CONFIG_SSB_PCMCIAHOST */ 98 99 /* sdio.c */ 100 #ifdef CONFIG_SSB_SDIOHOST 101 extern int ssb_sdio_get_invariants(struct ssb_bus *bus, 102 struct ssb_init_invariants *iv); 103 104 extern u32 ssb_sdio_scan_read32(struct ssb_bus *bus, u16 offset); 105 extern int ssb_sdio_scan_switch_coreidx(struct ssb_bus *bus, u8 coreidx); 106 extern void ssb_sdio_exit(struct ssb_bus *bus); 107 extern int ssb_sdio_init(struct ssb_bus *bus); 108 109 extern const struct ssb_bus_ops ssb_sdio_ops; 110 #else /* CONFIG_SSB_SDIOHOST */ 111 static inline u32 ssb_sdio_scan_read32(struct ssb_bus *bus, u16 offset) 112 { 113 return 0; 114 } 115 static inline int ssb_sdio_scan_switch_coreidx(struct ssb_bus *bus, u8 coreidx) 116 { 117 return 0; 118 } 119 static inline void ssb_sdio_exit(struct ssb_bus *bus) 120 { 121 } 122 static inline int ssb_sdio_init(struct ssb_bus *bus) 123 { 124 return 0; 125 } 126 #endif /* CONFIG_SSB_SDIOHOST */ 127 128 /************************************************** 129 * host_soc.c 130 **************************************************/ 131 132 #ifdef CONFIG_SSB_HOST_SOC 133 extern const struct ssb_bus_ops ssb_host_soc_ops; 134 135 extern int ssb_host_soc_get_invariants(struct ssb_bus *bus, 136 struct ssb_init_invariants *iv); 137 #endif 138 139 /* scan.c */ 140 extern const char *ssb_core_name(u16 coreid); 141 extern int ssb_bus_scan(struct ssb_bus *bus, 142 unsigned long baseaddr); 143 extern void ssb_iounmap(struct ssb_bus *ssb); 144 145 146 /* sprom.c */ 147 extern 148 ssize_t ssb_attr_sprom_show(struct ssb_bus *bus, char *buf, 149 int (*sprom_read)(struct ssb_bus *bus, u16 *sprom)); 150 extern 151 ssize_t ssb_attr_sprom_store(struct ssb_bus *bus, 152 const char *buf, size_t count, 153 int (*sprom_check_crc)(const u16 *sprom, size_t size), 154 int (*sprom_write)(struct ssb_bus *bus, const u16 *sprom)); 155 extern int ssb_fill_sprom_with_fallback(struct ssb_bus *bus, 156 struct ssb_sprom *out); 157 158 159 /* core.c */ 160 extern u32 ssb_calc_clock_rate(u32 plltype, u32 n, u32 m); 161 extern struct ssb_bus *ssb_pci_dev_to_bus(struct pci_dev *pdev); 162 int ssb_for_each_bus_call(unsigned long data, 163 int (*func)(struct ssb_bus *bus, unsigned long data)); 164 extern struct ssb_bus *ssb_pcmcia_dev_to_bus(struct pcmcia_device *pdev); 165 166 struct ssb_freeze_context { 167 /* Pointer to the bus */ 168 struct ssb_bus *bus; 169 /* Boolean list to indicate whether a device is frozen on this bus. */ 170 bool device_frozen[SSB_MAX_NR_CORES]; 171 }; 172 extern int ssb_devices_freeze(struct ssb_bus *bus, struct ssb_freeze_context *ctx); 173 extern int ssb_devices_thaw(struct ssb_freeze_context *ctx); 174 175 176 177 /* b43_pci_bridge.c */ 178 #ifdef CONFIG_SSB_B43_PCI_BRIDGE 179 extern int __init b43_pci_ssb_bridge_init(void); 180 extern void __exit b43_pci_ssb_bridge_exit(void); 181 #else /* CONFIG_SSB_B43_PCI_BRIDGE */ 182 static inline int b43_pci_ssb_bridge_init(void) 183 { 184 return 0; 185 } 186 static inline void b43_pci_ssb_bridge_exit(void) 187 { 188 } 189 #endif /* CONFIG_SSB_B43_PCI_BRIDGE */ 190 191 /* driver_chipcommon_pmu.c */ 192 extern u32 ssb_pmu_get_cpu_clock(struct ssb_chipcommon *cc); 193 extern u32 ssb_pmu_get_controlclock(struct ssb_chipcommon *cc); 194 extern u32 ssb_pmu_get_alp_clock(struct ssb_chipcommon *cc); 195 196 extern u32 ssb_chipco_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt, 197 u32 ticks); 198 extern u32 ssb_chipco_watchdog_timer_set_ms(struct bcm47xx_wdt *wdt, u32 ms); 199 200 /* driver_chipcommon_sflash.c */ 201 #ifdef CONFIG_SSB_SFLASH 202 int ssb_sflash_init(struct ssb_chipcommon *cc); 203 #else 204 static inline int ssb_sflash_init(struct ssb_chipcommon *cc) 205 { 206 pr_err("Serial flash not supported\n"); 207 return 0; 208 } 209 #endif /* CONFIG_SSB_SFLASH */ 210 211 #ifdef CONFIG_SSB_DRIVER_MIPS 212 extern struct platform_device ssb_pflash_dev; 213 #endif 214 215 #ifdef CONFIG_SSB_SFLASH 216 extern struct platform_device ssb_sflash_dev; 217 #endif 218 219 #ifdef CONFIG_SSB_DRIVER_EXTIF 220 extern u32 ssb_extif_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt, u32 ticks); 221 extern u32 ssb_extif_watchdog_timer_set_ms(struct bcm47xx_wdt *wdt, u32 ms); 222 #else 223 static inline u32 ssb_extif_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt, 224 u32 ticks) 225 { 226 return 0; 227 } 228 static inline u32 ssb_extif_watchdog_timer_set_ms(struct bcm47xx_wdt *wdt, 229 u32 ms) 230 { 231 return 0; 232 } 233 #endif 234 235 #ifdef CONFIG_SSB_EMBEDDED 236 extern int ssb_watchdog_register(struct ssb_bus *bus); 237 #else /* CONFIG_SSB_EMBEDDED */ 238 static inline int ssb_watchdog_register(struct ssb_bus *bus) 239 { 240 return 0; 241 } 242 #endif /* CONFIG_SSB_EMBEDDED */ 243 244 #ifdef CONFIG_SSB_DRIVER_EXTIF 245 extern void ssb_extif_init(struct ssb_extif *extif); 246 #else 247 static inline void ssb_extif_init(struct ssb_extif *extif) 248 { 249 } 250 #endif 251 252 #ifdef CONFIG_SSB_DRIVER_GPIO 253 extern int ssb_gpio_init(struct ssb_bus *bus); 254 extern int ssb_gpio_unregister(struct ssb_bus *bus); 255 #else /* CONFIG_SSB_DRIVER_GPIO */ 256 static inline int ssb_gpio_init(struct ssb_bus *bus) 257 { 258 return -ENOTSUPP; 259 } 260 static inline int ssb_gpio_unregister(struct ssb_bus *bus) 261 { 262 return 0; 263 } 264 #endif /* CONFIG_SSB_DRIVER_GPIO */ 265 266 #endif /* LINUX_SSB_PRIVATE_H_ */ 267