LXR linux/drivers/ssb/ssb

   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
  15extern int ssb_pci_switch_core(struct ssb_bus *bus,
  16                               struct ssb_device *dev);
  17extern int ssb_pci_switch_coreidx(struct ssb_bus *bus,
  18                                  u8 coreidx);
  19extern int ssb_pci_xtal(struct ssb_bus *bus, u32 what,
  20                        int turn_on);
  21extern int ssb_pci_get_invariants(struct ssb_bus *bus,
  22                                  struct ssb_init_invariants *iv);
  23extern void ssb_pci_exit(struct ssb_bus *bus);
  24extern int ssb_pci_init(struct ssb_bus *bus);
  25extern const struct ssb_bus_ops ssb_pci_ops;
  26
  27#else /* CONFIG_SSB_PCIHOST */
  28
  29static inline int ssb_pci_switch_core(struct ssb_bus *bus,
  30                                      struct ssb_device *dev)
  31{
  32        return 0;
  33}
  34static inline int ssb_pci_switch_coreidx(struct ssb_bus *bus,
  35                                         u8 coreidx)
  36{
  37        return 0;
  38}
  39static inline int ssb_pci_xtal(struct ssb_bus *bus, u32 what,
  40                               int turn_on)
  41{
  42        return 0;
  43}
  44static inline void ssb_pci_exit(struct ssb_bus *bus)
  45{
  46}
  47static 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
  56extern int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus,
  57                                     u8 coreidx);
  58extern int ssb_pcmcia_switch_segment(struct ssb_bus *bus,
  59                                     u8 seg);
  60extern int ssb_pcmcia_get_invariants(struct ssb_bus *bus,
  61                                     struct ssb_init_invariants *iv);
  62extern int ssb_pcmcia_hardware_setup(struct ssb_bus *bus);
  63extern void ssb_pcmcia_exit(struct ssb_bus *bus);
  64extern int ssb_pcmcia_init(struct ssb_bus *bus);
  65extern int ssb_host_pcmcia_init(void);
  66extern void ssb_host_pcmcia_exit(void);
  67extern const struct ssb_bus_ops ssb_pcmcia_ops;
  68#else /* CONFIG_SSB_PCMCIAHOST */
  69static inline int ssb_pcmcia_switch_coreidx(struct ssb_bus *bus,
  70                                            u8 coreidx)
  71{
  72        return 0;
  73}
  74static inline int ssb_pcmcia_switch_segment(struct ssb_bus *bus,
  75                                            u8 seg)
  76{
  77        return 0;
  78}
  79static inline int ssb_pcmcia_hardware_setup(struct ssb_bus *bus)
  80{
  81        return 0;
  82}
  83static inline void ssb_pcmcia_exit(struct ssb_bus *bus)
  84{
  85}
  86static inline int ssb_pcmcia_init(struct ssb_bus *bus)
  87{
  88        return 0;
  89}
  90static inline int ssb_host_pcmcia_init(void)
  91{
  92        return 0;
  93}
  94static inline void ssb_host_pcmcia_exit(void)
  95{
  96}
  97#endif /* CONFIG_SSB_PCMCIAHOST */
  98
  99/* sdio.c */
 100#ifdef CONFIG_SSB_SDIOHOST
 101extern int ssb_sdio_get_invariants(struct ssb_bus *bus,
 102                                     struct ssb_init_invariants *iv);
 103
 104extern u32 ssb_sdio_scan_read32(struct ssb_bus *bus, u16 offset);
 105extern int ssb_sdio_scan_switch_coreidx(struct ssb_bus *bus, u8 coreidx);
 106extern void ssb_sdio_exit(struct ssb_bus *bus);
 107extern int ssb_sdio_init(struct ssb_bus *bus);
 108
 109extern const struct ssb_bus_ops ssb_sdio_ops;
 110#else /* CONFIG_SSB_SDIOHOST */
 111static inline u32 ssb_sdio_scan_read32(struct ssb_bus *bus, u16 offset)
 112{
 113        return 0;
 114}
 115static inline int ssb_sdio_scan_switch_coreidx(struct ssb_bus *bus, u8 coreidx)
 116{
 117        return 0;
 118}
 119static inline void ssb_sdio_exit(struct ssb_bus *bus)
 120{
 121}
 122static 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
 133extern const struct ssb_bus_ops ssb_host_soc_ops;
 134
 135extern int ssb_host_soc_get_invariants(struct ssb_bus *bus,
 136                                       struct ssb_init_invariants *iv);
 137#endif
 138
 139/* scan.c */
 140extern const char *ssb_core_name(u16 coreid);
 141extern int ssb_bus_scan(struct ssb_bus *bus,
 142                        unsigned long baseaddr);
 143extern void ssb_iounmap(struct ssb_bus *ssb);
 144
 145
 146/* sprom.c */
 147extern
 148ssize_t ssb_attr_sprom_show(struct ssb_bus *bus, char *buf,
 149                            int (*sprom_read)(struct ssb_bus *bus, u16 *sprom));
 150extern
 151ssize_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));
 155extern int ssb_fill_sprom_with_fallback(struct ssb_bus *bus,
 156                                        struct ssb_sprom *out);
 157
 158
 159/* core.c */
 160extern u32 ssb_calc_clock_rate(u32 plltype, u32 n, u32 m);
 161extern struct ssb_bus *ssb_pci_dev_to_bus(struct pci_dev *pdev);
 162int ssb_for_each_bus_call(unsigned long data,
 163                          int (*func)(struct ssb_bus *bus, unsigned long data));
 164extern struct ssb_bus *ssb_pcmcia_dev_to_bus(struct pcmcia_device *pdev);
 165
 166struct 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};
 172extern int ssb_devices_freeze(struct ssb_bus *bus, struct ssb_freeze_context *ctx);
 173extern int ssb_devices_thaw(struct ssb_freeze_context *ctx);
 174
 175
 176
 177/* b43_pci_bridge.c */
 178#ifdef CONFIG_SSB_B43_PCI_BRIDGE
 179extern int __init b43_pci_ssb_bridge_init(void);
 180extern void __exit b43_pci_ssb_bridge_exit(void);
 181#else /* CONFIG_SSB_B43_PCI_BRIDGE */
 182static inline int b43_pci_ssb_bridge_init(void)
 183{
 184        return 0;
 185}
 186static inline void b43_pci_ssb_bridge_exit(void)
 187{
 188}
 189#endif /* CONFIG_SSB_B43_PCI_BRIDGE */
 190
 191/* driver_chipcommon_pmu.c */
 192extern u32 ssb_pmu_get_cpu_clock(struct ssb_chipcommon *cc);
 193extern u32 ssb_pmu_get_controlclock(struct ssb_chipcommon *cc);
 194extern u32 ssb_pmu_get_alp_clock(struct ssb_chipcommon *cc);
 195
 196extern u32 ssb_chipco_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt,
 197                                             u32 ticks);
 198extern u32 ssb_chipco_watchdog_timer_set_ms(struct bcm47xx_wdt *wdt, u32 ms);
 199
 200/* driver_chipcommon_sflash.c */
 201#ifdef CONFIG_SSB_SFLASH
 202int ssb_sflash_init(struct ssb_chipcommon *cc);
 203#else
 204static 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
 212extern struct platform_device ssb_pflash_dev;
 213#endif
 214
 215#ifdef CONFIG_SSB_SFLASH
 216extern struct platform_device ssb_sflash_dev;
 217#endif
 218
 219#ifdef CONFIG_SSB_DRIVER_EXTIF
 220extern u32 ssb_extif_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt, u32 ticks);
 221extern u32 ssb_extif_watchdog_timer_set_ms(struct bcm47xx_wdt *wdt, u32 ms);
 222#else
 223static inline u32 ssb_extif_watchdog_timer_set_wdt(struct bcm47xx_wdt *wdt,
 224                                                   u32 ticks)
 225{
 226        return 0;
 227}
 228static 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
 236extern int ssb_watchdog_register(struct ssb_bus *bus);
 237#else /* CONFIG_SSB_EMBEDDED */
 238static 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
 245extern void ssb_extif_init(struct ssb_extif *extif);
 246#else
 247static inline void ssb_extif_init(struct ssb_extif *extif)
 248{
 249}
 250#endif
 251
 252#ifdef CONFIG_SSB_DRIVER_GPIO
 253extern int ssb_gpio_init(struct ssb_bus *bus);
 254extern int ssb_gpio_unregister(struct ssb_bus *bus);
 255#else /* CONFIG_SSB_DRIVER_GPIO */
 256static inline int ssb_gpio_init(struct ssb_bus *bus)
 257{
 258        return -ENOTSUPP;
 259}
 260static 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