include/linux/bcma/bcma.h

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