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; 139 140 u32 addr; 141 u32 wrap; 142 143 void __iomem *io_addr; 144 void __iomem *io_wrap; 145 146 void *drvdata; 147 struct list_head list; 148 }; 149 150 static inline void *bcma_get_drvdata(struct bcma_device *core) 151 { 152 return core->drvdata; 153 } 154 static inline void bcma_set_drvdata(struct bcma_device *core, void *drvdata) 155 { 156 core->drvdata = drvdata; 157 } 158 159 struct bcma_driver { 160 const char *name; 161 const struct bcma_device_id *id_table; 162 163 int (*probe)(struct bcma_device *dev); 164 void (*remove)(struct bcma_device *dev); 165 int (*suspend)(struct bcma_device *dev); 166 int (*resume)(struct bcma_device *dev); 167 void (*shutdown)(struct bcma_device *dev); 168 169 struct device_driver drv; 170 }; 171 extern 172 int __bcma_driver_register(struct bcma_driver *drv, struct module *owner); 173 #define bcma_driver_register(drv) \ 174 __bcma_driver_register(drv, THIS_MODULE) 175 176 extern void bcma_driver_unregister(struct bcma_driver *drv); 177 178 struct bcma_bus { 179 /* The MMIO area. */ 180 void __iomem *mmio; 181 182 const struct bcma_host_ops *ops; 183 184 enum bcma_hosttype hosttype; 185 union { 186 /* Pointer to the PCI bus (only for BCMA_HOSTTYPE_PCI) */ 187 struct pci_dev *host_pci; 188 /* Pointer to the SDIO device (only for BCMA_HOSTTYPE_SDIO) */ 189 struct sdio_func *host_sdio; 190 }; 191 192 struct bcma_chipinfo chipinfo; 193 194 struct bcma_device *mapped_core; 195 struct list_head cores; 196 u8 nr_cores; 197 u8 init_done:1; 198 199 struct bcma_drv_cc drv_cc; 200 struct bcma_drv_pci drv_pci; 201 struct bcma_drv_mips drv_mips; 202 203 /* We decided to share SPROM struct with SSB as long as we do not need 204 * any hacks for BCMA. This simplifies drivers code. */ 205 struct ssb_sprom sprom; 206 }; 207 208 static inline u32 bcma_read8(struct bcma_device *core, u16 offset) 209 { 210 return core->bus->ops->read8(core, offset); 211 } 212 static inline u32 bcma_read16(struct bcma_device *core, u16 offset) 213 { 214 return core->bus->ops->read16(core, offset); 215 } 216 static inline u32 bcma_read32(struct bcma_device *core, u16 offset) 217 { 218 return core->bus->ops->read32(core, offset); 219 } 220 static inline 221 void bcma_write8(struct bcma_device *core, u16 offset, u32 value) 222 { 223 core->bus->ops->write8(core, offset, value); 224 } 225 static inline 226 void bcma_write16(struct bcma_device *core, u16 offset, u32 value) 227 { 228 core->bus->ops->write16(core, offset, value); 229 } 230 static inline 231 void bcma_write32(struct bcma_device *core, u16 offset, u32 value) 232 { 233 core->bus->ops->write32(core, offset, value); 234 } 235 #ifdef CONFIG_BCMA_BLOCKIO 236 static inline void bcma_block_read(struct bcma_device *core, void *buffer, 237 size_t count, u16 offset, u8 reg_width) 238 { 239 core->bus->ops->block_read(core, buffer, count, offset, reg_width); 240 } 241 static inline void bcma_block_write(struct bcma_device *core, 242 const void *buffer, size_t count, 243 u16 offset, u8 reg_width) 244 { 245 core->bus->ops->block_write(core, buffer, count, offset, reg_width); 246 } 247 #endif 248 static inline u32 bcma_aread32(struct bcma_device *core, u16 offset) 249 { 250 return core->bus->ops->aread32(core, offset); 251 } 252 static inline 253 void bcma_awrite32(struct bcma_device *core, u16 offset, u32 value) 254 { 255 core->bus->ops->awrite32(core, offset, value); 256 } 257 258 static inline void bcma_mask32(struct bcma_device *cc, u16 offset, u32 mask) 259 { 260 bcma_write32(cc, offset, bcma_read32(cc, offset) & mask); 261 } 262 static inline void bcma_set32(struct bcma_device *cc, u16 offset, u32 set) 263 { 264 bcma_write32(cc, offset, bcma_read32(cc, offset) | set); 265 } 266 static inline void bcma_maskset32(struct bcma_device *cc, 267 u16 offset, u32 mask, u32 set) 268 { 269 bcma_write32(cc, offset, (bcma_read32(cc, offset) & mask) | set); 270 } 271 static inline void bcma_mask16(struct bcma_device *cc, u16 offset, u16 mask) 272 { 273 bcma_write16(cc, offset, bcma_read16(cc, offset) & mask); 274 } 275 static inline void bcma_set16(struct bcma_device *cc, u16 offset, u16 set) 276 { 277 bcma_write16(cc, offset, bcma_read16(cc, offset) | set); 278 } 279 static inline void bcma_maskset16(struct bcma_device *cc, 280 u16 offset, u16 mask, u16 set) 281 { 282 bcma_write16(cc, offset, (bcma_read16(cc, offset) & mask) | set); 283 } 284 285 extern bool bcma_core_is_enabled(struct bcma_device *core); 286 extern void bcma_core_disable(struct bcma_device *core, u32 flags); 287 extern int bcma_core_enable(struct bcma_device *core, u32 flags); 288 extern void bcma_core_set_clockmode(struct bcma_device *core, 289 enum bcma_clkmode clkmode); 290 extern void bcma_core_pll_ctl(struct bcma_device *core, u32 req, u32 status, 291 bool on); 292 #define BCMA_DMA_TRANSLATION_MASK 0xC0000000 293 #define BCMA_DMA_TRANSLATION_NONE 0x00000000 294 #define BCMA_DMA_TRANSLATION_DMA32_CMT 0x40000000 /* Client Mode Translation for 32-bit DMA */ 295 #define BCMA_DMA_TRANSLATION_DMA64_CMT 0x80000000 /* Client Mode Translation for 64-bit DMA */ 296 extern u32 bcma_core_dma_translation(struct bcma_device *core); 297 298 #endif /* LINUX_BCMA_H_ */ 299