1 #ifndef LINUX_BCMA_H_ 2 #define LINUX_BCMA_H_ 3 4 #include <linux/pci.h> 5 #include <linux/mod_devicetable.h> 6 7 #include <linux/bcma/bcma_driver_chipcommon.h> 8 #include <linux/bcma/bcma_driver_pci.h> 9 #include <linux/bcma/bcma_driver_mips.h> 10 #include <linux/ssb/ssb.h> /* SPROM sharing */ 11 12 #include "bcma_regs.h" 13 14 struct bcma_device; 15 struct bcma_bus; 16 17 enum bcma_hosttype { 18 BCMA_HOSTTYPE_PCI, 19 BCMA_HOSTTYPE_SDIO, 20 BCMA_HOSTTYPE_SOC, 21 }; 22 23 struct bcma_chipinfo { 24 u16 id; 25 u8 rev; 26 u8 pkg; 27 }; 28 29 enum bcma_clkmode { 30 BCMA_CLKMODE_FAST, 31 BCMA_CLKMODE_DYNAMIC, 32 }; 33 34 struct bcma_host_ops { 35 u8 (*read8)(struct bcma_device *core, u16 offset); 36 u16 (*read16)(struct bcma_device *core, u16 offset); 37 u32 (*read32)(struct bcma_device *core, u16 offset); 38 void (*write8)(struct bcma_device *core, u16 offset, u8 value); 39 void (*write16)(struct bcma_device *core, u16 offset, u16 value); 40 void (*write32)(struct bcma_device *core, u16 offset, u32 value); 41 #ifdef CONFIG_BCMA_BLOCKIO 42 void (*block_read)(struct bcma_device *core, void *buffer, 43 size_t count, u16 offset, u8 reg_width); 44 void (*block_write)(struct bcma_device *core, const void *buffer, 45 size_t count, u16 offset, u8 reg_width); 46 #endif 47 /* Agent ops */ 48 u32 (*aread32)(struct bcma_device *core, u16 offset); 49 void (*awrite32)(struct bcma_device *core, u16 offset, u32 value); 50 }; 51 52 /* Core manufacturers */ 53 #define BCMA_MANUF_ARM 0x43B 54 #define BCMA_MANUF_MIPS 0x4A7 55 #define BCMA_MANUF_BCM 0x4BF 56 57 /* Core class values. */ 58 #define BCMA_CL_SIM 0x0 59 #define BCMA_CL_EROM 0x1 60 #define BCMA_CL_CORESIGHT 0x9 61 #define BCMA_CL_VERIF 0xB 62 #define BCMA_CL_OPTIMO 0xD 63 #define BCMA_CL_GEN 0xE 64 #define BCMA_CL_PRIMECELL 0xF 65 66 /* Core-ID values. */ 67 #define BCMA_CORE_OOB_ROUTER 0x367 /* Out of band */ 68 #define BCMA_CORE_INVALID 0x700 69 #define BCMA_CORE_CHIPCOMMON 0x800 70 #define BCMA_CORE_ILINE20 0x801 71 #define BCMA_CORE_SRAM 0x802 72 #define BCMA_CORE_SDRAM 0x803 73 #define BCMA_CORE_PCI 0x804 74 #define BCMA_CORE_MIPS 0x805 75 #define BCMA_CORE_ETHERNET 0x806 76 #define BCMA_CORE_V90 0x807 77 #define BCMA_CORE_USB11_HOSTDEV 0x808 78 #define BCMA_CORE_ADSL 0x809 79 #define BCMA_CORE_ILINE100 0x80A 80 #define BCMA_CORE_IPSEC 0x80B 81 #define BCMA_CORE_UTOPIA 0x80C 82 #define BCMA_CORE_PCMCIA 0x80D 83 #define BCMA_CORE_INTERNAL_MEM 0x80E 84 #define BCMA_CORE_MEMC_SDRAM 0x80F 85 #define BCMA_CORE_OFDM 0x810 86 #define BCMA_CORE_EXTIF 0x811 87 #define BCMA_CORE_80211 0x812 88 #define BCMA_CORE_PHY_A 0x813 89 #define BCMA_CORE_PHY_B 0x814 90 #define BCMA_CORE_PHY_G 0x815 91 #define BCMA_CORE_MIPS_3302 0x816 92 #define BCMA_CORE_USB11_HOST 0x817 93 #define BCMA_CORE_USB11_DEV 0x818 94 #define BCMA_CORE_USB20_HOST 0x819 95 #define BCMA_CORE_USB20_DEV 0x81A 96 #define BCMA_CORE_SDIO_HOST 0x81B 97 #define BCMA_CORE_ROBOSWITCH 0x81C 98 #define BCMA_CORE_PARA_ATA 0x81D 99 #define BCMA_CORE_SATA_XORDMA 0x81E 100 #define BCMA_CORE_ETHERNET_GBIT 0x81F 101 #define BCMA_CORE_PCIE 0x820 102 #define BCMA_CORE_PHY_N 0x821 103 #define BCMA_CORE_SRAM_CTL 0x822 104 #define BCMA_CORE_MINI_MACPHY 0x823 105 #define BCMA_CORE_ARM_1176 0x824 106 #define BCMA_CORE_ARM_7TDMI 0x825 107 #define BCMA_CORE_PHY_LP 0x826 108 #define BCMA_CORE_PMU 0x827 109 #define BCMA_CORE_PHY_SSN 0x828 110 #define BCMA_CORE_SDIO_DEV 0x829 111 #define BCMA_CORE_ARM_CM3 0x82A 112 #define BCMA_CORE_PHY_HT 0x82B 113 #define BCMA_CORE_MIPS_74K 0x82C 114 #define BCMA_CORE_MAC_GBIT 0x82D 115 #define BCMA_CORE_DDR12_MEM_CTL 0x82E 116 #define BCMA_CORE_PCIE_RC 0x82F /* PCIe Root Complex */ 117 #define BCMA_CORE_OCP_OCP_BRIDGE 0x830 118 #define BCMA_CORE_SHARED_COMMON 0x831 119 #define BCMA_CORE_OCP_AHB_BRIDGE 0x832 120 #define BCMA_CORE_SPI_HOST 0x833 121 #define BCMA_CORE_I2S 0x834 122 #define BCMA_CORE_SDR_DDR1_MEM_CTL 0x835 /* SDR/DDR1 memory controller core */ 123 #define BCMA_CORE_SHIM 0x837 /* SHIM component in ubus/6362 */ 124 #define BCMA_CORE_DEFAULT 0xFFF 125 126 #define BCMA_MAX_NR_CORES 16 127 128 struct bcma_device { 129 struct bcma_bus *bus; 130 struct bcma_device_id id; 131 132 struct device dev; 133 struct device *dma_dev; 134 135 unsigned int irq; 136 bool dev_registered; 137 138 u8 core_index; 139 u8 core_unit; 140 141 u32 addr; 142 u32 wrap; 143 144 void __iomem *io_addr; 145 void __iomem *io_wrap; 146 147 void *drvdata; 148 struct list_head list; 149 }; 150 151 static inline void *bcma_get_drvdata(struct bcma_device *core) 152 { 153 return core->drvdata; 154 } 155 static inline void bcma_set_drvdata(struct bcma_device *core, void *drvdata) 156 { 157 core->drvdata = drvdata; 158 } 159 160 struct bcma_driver { 161 const char *name; 162 const struct bcma_device_id *id_table; 163 164 int (*probe)(struct bcma_device *dev); 165 void (*remove)(struct bcma_device *dev); 166 int (*suspend)(struct bcma_device *dev); 167 int (*resume)(struct bcma_device *dev); 168 void (*shutdown)(struct bcma_device *dev); 169 170 struct device_driver drv; 171 }; 172 extern 173 int __bcma_driver_register(struct bcma_driver *drv, struct module *owner); 174 #define bcma_driver_register(drv) \ 175 __bcma_driver_register(drv, THIS_MODULE) 176 177 extern void bcma_driver_unregister(struct bcma_driver *drv); 178 179 /* Set a fallback SPROM. 180 * See kdoc at the function definition for complete documentation. */ 181 extern int bcma_arch_register_fallback_sprom( 182 int (*sprom_callback)(struct bcma_bus *bus, 183 struct ssb_sprom *out)); 184 185 struct bcma_bus { 186 /* The MMIO area. */ 187 void __iomem *mmio; 188 189 const struct bcma_host_ops *ops; 190 191 enum bcma_hosttype hosttype; 192 union { 193 /* Pointer to the PCI bus (only for BCMA_HOSTTYPE_PCI) */ 194 struct pci_dev *host_pci; 195 /* Pointer to the SDIO device (only for BCMA_HOSTTYPE_SDIO) */ 196 struct sdio_func *host_sdio; 197 }; 198 199 struct bcma_chipinfo chipinfo; 200 201 struct bcma_device *mapped_core; 202 struct list_head cores; 203 u8 nr_cores; 204 u8 init_done:1; 205 u8 num; 206 207 struct bcma_drv_cc drv_cc; 208 struct bcma_drv_pci drv_pci; 209 struct bcma_drv_mips drv_mips; 210 211 /* We decided to share SPROM struct with SSB as long as we do not need 212 * any hacks for BCMA. This simplifies drivers code. */ 213 struct ssb_sprom sprom; 214 }; 215 216 static inline u32 bcma_read8(struct bcma_device *core, u16 offset) 217 { 218 return core->bus->ops->read8(core, offset); 219 } 220 static inline u32 bcma_read16(struct bcma_device *core, u16 offset) 221 { 222 return core->bus->ops->read16(core, offset); 223 } 224 static inline u32 bcma_read32(struct bcma_device *core, u16 offset) 225 { 226 return core->bus->ops->read32(core, offset); 227 } 228 static inline 229 void bcma_write8(struct bcma_device *core, u16 offset, u32 value) 230 { 231 core->bus->ops->write8(core, offset, value); 232 } 233 static inline 234 void bcma_write16(struct bcma_device *core, u16 offset, u32 value) 235 { 236 core->bus->ops->write16(core, offset, value); 237 } 238 static inline 239 void bcma_write32(struct bcma_device *core, u16 offset, u32 value) 240 { 241 core->bus->ops->write32(core, offset, value); 242 } 243 #ifdef CONFIG_BCMA_BLOCKIO 244 static inline void bcma_block_read(struct bcma_device *core, void *buffer, 245 size_t count, u16 offset, u8 reg_width) 246 { 247 core->bus->ops->block_read(core, buffer, count, offset, reg_width); 248 } 249 static inline void bcma_block_write(struct bcma_device *core, 250 const void *buffer, size_t count, 251 u16 offset, u8 reg_width) 252 { 253 core->bus->ops->block_write(core, buffer, count, offset, reg_width); 254 } 255 #endif 256 static inline u32 bcma_aread32(struct bcma_device *core, u16 offset) 257 { 258 return core->bus->ops->aread32(core, offset); 259 } 260 static inline 261 void bcma_awrite32(struct bcma_device *core, u16 offset, u32 value) 262 { 263 core->bus->ops->awrite32(core, offset, value); 264 } 265 266 static inline void bcma_mask32(struct bcma_device *cc, u16 offset, u32 mask) 267 { 268 bcma_write32(cc, offset, bcma_read32(cc, offset) & mask); 269 } 270 static inline void bcma_set32(struct bcma_device *cc, u16 offset, u32 set) 271 { 272 bcma_write32(cc, offset, bcma_read32(cc, offset) | set); 273 } 274 static inline void bcma_maskset32(struct bcma_device *cc, 275 u16 offset, u32 mask, u32 set) 276 { 277 bcma_write32(cc, offset, (bcma_read32(cc, offset) & mask) | set); 278 } 279 static inline void bcma_mask16(struct bcma_device *cc, u16 offset, u16 mask) 280 { 281 bcma_write16(cc, offset, bcma_read16(cc, offset) & mask); 282 } 283 static inline void bcma_set16(struct bcma_device *cc, u16 offset, u16 set) 284 { 285 bcma_write16(cc, offset, bcma_read16(cc, offset) | set); 286 } 287 static inline void bcma_maskset16(struct bcma_device *cc, 288 u16 offset, u16 mask, u16 set) 289 { 290 bcma_write16(cc, offset, (bcma_read16(cc, offset) & mask) | set); 291 } 292 293 extern struct bcma_device *bcma_find_core(struct bcma_bus *bus, u16 coreid); 294 extern bool bcma_core_is_enabled(struct bcma_device *core); 295 extern void bcma_core_disable(struct bcma_device *core, u32 flags); 296 extern int bcma_core_enable(struct bcma_device *core, u32 flags); 297 extern void bcma_core_set_clockmode(struct bcma_device *core, 298 enum bcma_clkmode clkmode); 299 extern void bcma_core_pll_ctl(struct bcma_device *core, u32 req, u32 status, 300 bool on); 301 #define BCMA_DMA_TRANSLATION_MASK 0xC0000000 302 #define BCMA_DMA_TRANSLATION_NONE 0x00000000 303 #define BCMA_DMA_TRANSLATION_DMA32_CMT 0x40000000 /* Client Mode Translation for 32-bit DMA */ 304 #define BCMA_DMA_TRANSLATION_DMA64_CMT 0x80000000 /* Client Mode Translation for 64-bit DMA */ 305 extern u32 bcma_core_dma_translation(struct bcma_device *core); 306 307 #endif /* LINUX_BCMA_H_ */ 308