drivers/usb/gadget/fsl_usb2_udc.h

   1 /*
   2  * Freescale USB device/endpoint management registers
   3  */
   4 #ifndef __FSL_USB2_UDC_H
   5 #define __FSL_USB2_UDC_H
   6
   7 /* ### define USB registers here
   8  */
   9 #define USB_MAX_CTRL_PAYLOAD            64
  10 #define USB_DR_SYS_OFFSET               0x400
  11
  12  /* USB DR device mode registers (Little Endian) */
  13 struct usb_dr_device {
  14         /* Capability register */
  15         u8 res1[256];
  16         u16 caplength;          /* Capability Register Length */
  17         u16 hciversion;         /* Host Controller Interface Version */
  18         u32 hcsparams;          /* Host Controller Structual Parameters */
  19         u32 hccparams;          /* Host Controller Capability Parameters */
  20         u8 res2[20];
  21         u32 dciversion;         /* Device Controller Interface Version */
  22         u32 dccparams;          /* Device Controller Capability Parameters */
  23         u8 res3[24];
  24         /* Operation register */
  25         u32 usbcmd;             /* USB Command Register */
  26         u32 usbsts;             /* USB Status Register */
  27         u32 usbintr;            /* USB Interrupt Enable Register */
  28         u32 frindex;            /* Frame Index Register */
  29         u8 res4[4];
  30         u32 deviceaddr;         /* Device Address */
  31         u32 endpointlistaddr;   /* Endpoint List Address Register */
  32         u8 res5[4];
  33         u32 burstsize;          /* Master Interface Data Burst Size Register */
  34         u32 txttfilltuning;     /* Transmit FIFO Tuning Controls Register */
  35         u8 res6[24];
  36         u32 configflag;         /* Configure Flag Register */
  37         u32 portsc1;            /* Port 1 Status and Control Register */
  38         u8 res7[28];
  39         u32 otgsc;              /* On-The-Go Status and Control */
  40         u32 usbmode;            /* USB Mode Register */
  41         u32 endptsetupstat;     /* Endpoint Setup Status Register */
  42         u32 endpointprime;      /* Endpoint Initialization Register */
  43         u32 endptflush;         /* Endpoint Flush Register */
  44         u32 endptstatus;        /* Endpoint Status Register */
  45         u32 endptcomplete;      /* Endpoint Complete Register */
  46         u32 endptctrl[6];       /* Endpoint Control Registers */
  47 };
  48
  49  /* USB DR host mode registers (Little Endian) */
  50 struct usb_dr_host {
  51         /* Capability register */
  52         u8 res1[256];
  53         u16 caplength;          /* Capability Register Length */
  54         u16 hciversion;         /* Host Controller Interface Version */
  55         u32 hcsparams;          /* Host Controller Structual Parameters */
  56         u32 hccparams;          /* Host Controller Capability Parameters */
  57         u8 res2[20];
  58         u32 dciversion;         /* Device Controller Interface Version */
  59         u32 dccparams;          /* Device Controller Capability Parameters */
  60         u8 res3[24];
  61         /* Operation register */
  62         u32 usbcmd;             /* USB Command Register */
  63         u32 usbsts;             /* USB Status Register */
  64         u32 usbintr;            /* USB Interrupt Enable Register */
  65         u32 frindex;            /* Frame Index Register */
  66         u8 res4[4];
  67         u32 periodiclistbase;   /* Periodic Frame List Base Address Register */
  68         u32 asynclistaddr;      /* Current Asynchronous List Address Register */
  69         u8 res5[4];
  70         u32 burstsize;          /* Master Interface Data Burst Size Register */
  71         u32 txttfilltuning;     /* Transmit FIFO Tuning Controls Register */
  72         u8 res6[24];
  73         u32 configflag;         /* Configure Flag Register */
  74         u32 portsc1;            /* Port 1 Status and Control Register */
  75         u8 res7[28];
  76         u32 otgsc;              /* On-The-Go Status and Control */
  77         u32 usbmode;            /* USB Mode Register */
  78         u32 endptsetupstat;     /* Endpoint Setup Status Register */
  79         u32 endpointprime;      /* Endpoint Initialization Register */
  80         u32 endptflush;         /* Endpoint Flush Register */
  81         u32 endptstatus;        /* Endpoint Status Register */
  82         u32 endptcomplete;      /* Endpoint Complete Register */
  83         u32 endptctrl[6];       /* Endpoint Control Registers */
  84 };
  85
  86  /* non-EHCI USB system interface registers (Big Endian) */
  87 struct usb_sys_interface {
  88         u32 snoop1;
  89         u32 snoop2;
  90         u32 age_cnt_thresh;     /* Age Count Threshold Register */
  91         u32 pri_ctrl;           /* Priority Control Register */
  92         u32 si_ctrl;            /* System Interface Control Register */
  93         u8 res[236];
  94         u32 control;            /* General Purpose Control Register */
  95 };
  96
  97 /* ep0 transfer state */
  98 #define WAIT_FOR_SETUP          0
  99 #define DATA_STATE_XMIT         1
 100 #define DATA_STATE_NEED_ZLP     2
 101 #define WAIT_FOR_OUT_STATUS     3
 102 #define DATA_STATE_RECV         4
 103
 104 /* Frame Index Register Bit Masks */
 105 #define USB_FRINDEX_MASKS                       0x3fff
 106 /* USB CMD  Register Bit Masks */
 107 #define  USB_CMD_RUN_STOP                     0x00000001
 108 #define  USB_CMD_CTRL_RESET                   0x00000002
 109 #define  USB_CMD_PERIODIC_SCHEDULE_EN         0x00000010
 110 #define  USB_CMD_ASYNC_SCHEDULE_EN            0x00000020
 111 #define  USB_CMD_INT_AA_DOORBELL              0x00000040
 112 #define  USB_CMD_ASP                          0x00000300
 113 #define  USB_CMD_ASYNC_SCH_PARK_EN            0x00000800
 114 #define  USB_CMD_SUTW                         0x00002000
 115 #define  USB_CMD_ATDTW                        0x00004000
 116 #define  USB_CMD_ITC                          0x00FF0000
 117
 118 /* bit 15,3,2 are frame list size */
 119 #define  USB_CMD_FRAME_SIZE_1024              0x00000000
 120 #define  USB_CMD_FRAME_SIZE_512               0x00000004
 121 #define  USB_CMD_FRAME_SIZE_256               0x00000008
 122 #define  USB_CMD_FRAME_SIZE_128               0x0000000C
 123 #define  USB_CMD_FRAME_SIZE_64                0x00008000
 124 #define  USB_CMD_FRAME_SIZE_32                0x00008004
 125 #define  USB_CMD_FRAME_SIZE_16                0x00008008
 126 #define  USB_CMD_FRAME_SIZE_8                 0x0000800C
 127
 128 /* bit 9-8 are async schedule park mode count */
 129 #define  USB_CMD_ASP_00                       0x00000000
 130 #define  USB_CMD_ASP_01                       0x00000100
 131 #define  USB_CMD_ASP_10                       0x00000200
 132 #define  USB_CMD_ASP_11                       0x00000300
 133 #define  USB_CMD_ASP_BIT_POS                  8
 134
 135 /* bit 23-16 are interrupt threshold control */
 136 #define  USB_CMD_ITC_NO_THRESHOLD             0x00000000
 137 #define  USB_CMD_ITC_1_MICRO_FRM              0x00010000
 138 #define  USB_CMD_ITC_2_MICRO_FRM              0x00020000
 139 #define  USB_CMD_ITC_4_MICRO_FRM              0x00040000
 140 #define  USB_CMD_ITC_8_MICRO_FRM              0x00080000
 141 #define  USB_CMD_ITC_16_MICRO_FRM             0x00100000
 142 #define  USB_CMD_ITC_32_MICRO_FRM             0x00200000
 143 #define  USB_CMD_ITC_64_MICRO_FRM             0x00400000
 144 #define  USB_CMD_ITC_BIT_POS                  16
 145
 146 /* USB STS Register Bit Masks */
 147 #define  USB_STS_INT                          0x00000001
 148 #define  USB_STS_ERR                          0x00000002
 149 #define  USB_STS_PORT_CHANGE                  0x00000004
 150 #define  USB_STS_FRM_LST_ROLL                 0x00000008
 151 #define  USB_STS_SYS_ERR                      0x00000010
 152 #define  USB_STS_IAA                          0x00000020
 153 #define  USB_STS_RESET                        0x00000040
 154 #define  USB_STS_SOF                          0x00000080
 155 #define  USB_STS_SUSPEND                      0x00000100
 156 #define  USB_STS_HC_HALTED                    0x00001000
 157 #define  USB_STS_RCL                          0x00002000
 158 #define  USB_STS_PERIODIC_SCHEDULE            0x00004000
 159 #define  USB_STS_ASYNC_SCHEDULE               0x00008000
 160
 161 /* USB INTR Register Bit Masks */
 162 #define  USB_INTR_INT_EN                      0x00000001
 163 #define  USB_INTR_ERR_INT_EN                  0x00000002
 164 #define  USB_INTR_PTC_DETECT_EN               0x00000004
 165 #define  USB_INTR_FRM_LST_ROLL_EN             0x00000008
 166 #define  USB_INTR_SYS_ERR_EN                  0x00000010
 167 #define  USB_INTR_ASYN_ADV_EN                 0x00000020
 168 #define  USB_INTR_RESET_EN                    0x00000040
 169 #define  USB_INTR_SOF_EN                      0x00000080
 170 #define  USB_INTR_DEVICE_SUSPEND              0x00000100
 171
 172 /* Device Address bit masks */
 173 #define  USB_DEVICE_ADDRESS_MASK              0xFE000000
 174 #define  USB_DEVICE_ADDRESS_BIT_POS           25
 175
 176 /* endpoint list address bit masks */
 177 #define USB_EP_LIST_ADDRESS_MASK              0xfffff800
 178
 179 /* PORTSCX  Register Bit Masks */
 180 #define  PORTSCX_CURRENT_CONNECT_STATUS       0x00000001
 181 #define  PORTSCX_CONNECT_STATUS_CHANGE        0x00000002
 182 #define  PORTSCX_PORT_ENABLE                  0x00000004
 183 #define  PORTSCX_PORT_EN_DIS_CHANGE           0x00000008
 184 #define  PORTSCX_OVER_CURRENT_ACT             0x00000010
 185 #define  PORTSCX_OVER_CURRENT_CHG             0x00000020
 186 #define  PORTSCX_PORT_FORCE_RESUME            0x00000040
 187 #define  PORTSCX_PORT_SUSPEND                 0x00000080
 188 #define  PORTSCX_PORT_RESET                   0x00000100
 189 #define  PORTSCX_LINE_STATUS_BITS             0x00000C00
 190 #define  PORTSCX_PORT_POWER                   0x00001000
 191 #define  PORTSCX_PORT_INDICTOR_CTRL           0x0000C000
 192 #define  PORTSCX_PORT_TEST_CTRL               0x000F0000
 193 #define  PORTSCX_WAKE_ON_CONNECT_EN           0x00100000
 194 #define  PORTSCX_WAKE_ON_CONNECT_DIS          0x00200000
 195 #define  PORTSCX_WAKE_ON_OVER_CURRENT         0x00400000
 196 #define  PORTSCX_PHY_LOW_POWER_SPD            0x00800000
 197 #define  PORTSCX_PORT_FORCE_FULL_SPEED        0x01000000
 198 #define  PORTSCX_PORT_SPEED_MASK              0x0C000000
 199 #define  PORTSCX_PORT_WIDTH                   0x10000000
 200 #define  PORTSCX_PHY_TYPE_SEL                 0xC0000000
 201
 202 /* bit 11-10 are line status */
 203 #define  PORTSCX_LINE_STATUS_SE0              0x00000000
 204 #define  PORTSCX_LINE_STATUS_JSTATE           0x00000400
 205 #define  PORTSCX_LINE_STATUS_KSTATE           0x00000800
 206 #define  PORTSCX_LINE_STATUS_UNDEF            0x00000C00
 207 #define  PORTSCX_LINE_STATUS_BIT_POS          10
 208
 209 /* bit 15-14 are port indicator control */
 210 #define  PORTSCX_PIC_OFF                      0x00000000
 211 #define  PORTSCX_PIC_AMBER                    0x00004000
 212 #define  PORTSCX_PIC_GREEN                    0x00008000
 213 #define  PORTSCX_PIC_UNDEF                    0x0000C000
 214 #define  PORTSCX_PIC_BIT_POS                  14
 215
 216 /* bit 19-16 are port test control */
 217 #define  PORTSCX_PTC_DISABLE                  0x00000000
 218 #define  PORTSCX_PTC_JSTATE                   0x00010000
 219 #define  PORTSCX_PTC_KSTATE                   0x00020000
 220 #define  PORTSCX_PTC_SEQNAK                   0x00030000
 221 #define  PORTSCX_PTC_PACKET                   0x00040000
 222 #define  PORTSCX_PTC_FORCE_EN                 0x00050000
 223 #define  PORTSCX_PTC_BIT_POS                  16
 224
 225 /* bit 27-26 are port speed */
 226 #define  PORTSCX_PORT_SPEED_FULL              0x00000000
 227 #define  PORTSCX_PORT_SPEED_LOW               0x04000000
 228 #define  PORTSCX_PORT_SPEED_HIGH              0x08000000
 229 #define  PORTSCX_PORT_SPEED_UNDEF             0x0C000000
 230 #define  PORTSCX_SPEED_BIT_POS                26
 231
 232 /* bit 28 is parallel transceiver width for UTMI interface */
 233 #define  PORTSCX_PTW                          0x10000000
 234 #define  PORTSCX_PTW_8BIT                     0x00000000
 235 #define  PORTSCX_PTW_16BIT                    0x10000000
 236
 237 /* bit 31-30 are port transceiver select */
 238 #define  PORTSCX_PTS_UTMI                     0x00000000
 239 #define  PORTSCX_PTS_ULPI                     0x80000000
 240 #define  PORTSCX_PTS_FSLS                     0xC0000000
 241 #define  PORTSCX_PTS_BIT_POS                  30
 242
 243 /* otgsc Register Bit Masks */
 244 #define  OTGSC_CTRL_VUSB_DISCHARGE            0x00000001
 245 #define  OTGSC_CTRL_VUSB_CHARGE               0x00000002
 246 #define  OTGSC_CTRL_OTG_TERM                  0x00000008
 247 #define  OTGSC_CTRL_DATA_PULSING              0x00000010
 248 #define  OTGSC_STS_USB_ID                     0x00000100
 249 #define  OTGSC_STS_A_VBUS_VALID               0x00000200
 250 #define  OTGSC_STS_A_SESSION_VALID            0x00000400
 251 #define  OTGSC_STS_B_SESSION_VALID            0x00000800
 252 #define  OTGSC_STS_B_SESSION_END              0x00001000
 253 #define  OTGSC_STS_1MS_TOGGLE                 0x00002000
 254 #define  OTGSC_STS_DATA_PULSING               0x00004000
 255 #define  OTGSC_INTSTS_USB_ID                  0x00010000
 256 #define  OTGSC_INTSTS_A_VBUS_VALID            0x00020000
 257 #define  OTGSC_INTSTS_A_SESSION_VALID         0x00040000
 258 #define  OTGSC_INTSTS_B_SESSION_VALID         0x00080000
 259 #define  OTGSC_INTSTS_B_SESSION_END           0x00100000
 260 #define  OTGSC_INTSTS_1MS                     0x00200000
 261 #define  OTGSC_INTSTS_DATA_PULSING            0x00400000
 262 #define  OTGSC_INTR_USB_ID                    0x01000000
 263 #define  OTGSC_INTR_A_VBUS_VALID              0x02000000
 264 #define  OTGSC_INTR_A_SESSION_VALID           0x04000000
 265 #define  OTGSC_INTR_B_SESSION_VALID           0x08000000
 266 #define  OTGSC_INTR_B_SESSION_END             0x10000000
 267 #define  OTGSC_INTR_1MS_TIMER                 0x20000000
 268 #define  OTGSC_INTR_DATA_PULSING              0x40000000
 269
 270 /* USB MODE Register Bit Masks */
 271 #define  USB_MODE_CTRL_MODE_IDLE              0x00000000
 272 #define  USB_MODE_CTRL_MODE_DEVICE            0x00000002
 273 #define  USB_MODE_CTRL_MODE_HOST              0x00000003
 274 #define  USB_MODE_CTRL_MODE_RSV               0x00000001
 275 #define  USB_MODE_SETUP_LOCK_OFF              0x00000008
 276 #define  USB_MODE_STREAM_DISABLE              0x00000010
 277 /* Endpoint Flush Register */
 278 #define EPFLUSH_TX_OFFSET                     0x00010000
 279 #define EPFLUSH_RX_OFFSET                     0x00000000
 280
 281 /* Endpoint Setup Status bit masks */
 282 #define  EP_SETUP_STATUS_MASK                 0x0000003F
 283 #define  EP_SETUP_STATUS_EP0                  0x00000001
 284
 285 /* ENDPOINTCTRLx  Register Bit Masks */
 286 #define  EPCTRL_TX_ENABLE                     0x00800000
 287 #define  EPCTRL_TX_DATA_TOGGLE_RST            0x00400000        /* Not EP0 */
 288 #define  EPCTRL_TX_DATA_TOGGLE_INH            0x00200000        /* Not EP0 */
 289 #define  EPCTRL_TX_TYPE                       0x000C0000
 290 #define  EPCTRL_TX_DATA_SOURCE                0x00020000        /* Not EP0 */
 291 #define  EPCTRL_TX_EP_STALL                   0x00010000
 292 #define  EPCTRL_RX_ENABLE                     0x00000080
 293 #define  EPCTRL_RX_DATA_TOGGLE_RST            0x00000040        /* Not EP0 */
 294 #define  EPCTRL_RX_DATA_TOGGLE_INH            0x00000020        /* Not EP0 */
 295 #define  EPCTRL_RX_TYPE                       0x0000000C
 296 #define  EPCTRL_RX_DATA_SINK                  0x00000002        /* Not EP0 */
 297 #define  EPCTRL_RX_EP_STALL                   0x00000001
 298
 299 /* bit 19-18 and 3-2 are endpoint type */
 300 #define  EPCTRL_EP_TYPE_CONTROL               0
 301 #define  EPCTRL_EP_TYPE_ISO                   1
 302 #define  EPCTRL_EP_TYPE_BULK                  2
 303 #define  EPCTRL_EP_TYPE_INTERRUPT             3
 304 #define  EPCTRL_TX_EP_TYPE_SHIFT              18
 305 #define  EPCTRL_RX_EP_TYPE_SHIFT              2
 306
 307 /* SNOOPn Register Bit Masks */
 308 #define  SNOOP_ADDRESS_MASK                   0xFFFFF000
 309 #define  SNOOP_SIZE_ZERO                      0x00      /* snooping disable */
 310 #define  SNOOP_SIZE_4KB                       0x0B      /* 4KB snoop size */
 311 #define  SNOOP_SIZE_8KB                       0x0C
 312 #define  SNOOP_SIZE_16KB                      0x0D
 313 #define  SNOOP_SIZE_32KB                      0x0E
 314 #define  SNOOP_SIZE_64KB                      0x0F
 315 #define  SNOOP_SIZE_128KB                     0x10
 316 #define  SNOOP_SIZE_256KB                     0x11
 317 #define  SNOOP_SIZE_512KB                     0x12
 318 #define  SNOOP_SIZE_1MB                       0x13
 319 #define  SNOOP_SIZE_2MB                       0x14
 320 #define  SNOOP_SIZE_4MB                       0x15
 321 #define  SNOOP_SIZE_8MB                       0x16
 322 #define  SNOOP_SIZE_16MB                      0x17
 323 #define  SNOOP_SIZE_32MB                      0x18
 324 #define  SNOOP_SIZE_64MB                      0x19
 325 #define  SNOOP_SIZE_128MB                     0x1A
 326 #define  SNOOP_SIZE_256MB                     0x1B
 327 #define  SNOOP_SIZE_512MB                     0x1C
 328 #define  SNOOP_SIZE_1GB                       0x1D
 329 #define  SNOOP_SIZE_2GB                       0x1E      /* 2GB snoop size */
 330
 331 /* pri_ctrl Register Bit Masks */
 332 #define  PRI_CTRL_PRI_LVL1                    0x0000000C
 333 #define  PRI_CTRL_PRI_LVL0                    0x00000003
 334
 335 /* si_ctrl Register Bit Masks */
 336 #define  SI_CTRL_ERR_DISABLE                  0x00000010
 337 #define  SI_CTRL_IDRC_DISABLE                 0x00000008
 338 #define  SI_CTRL_RD_SAFE_EN                   0x00000004
 339 #define  SI_CTRL_RD_PREFETCH_DISABLE          0x00000002
 340 #define  SI_CTRL_RD_PREFEFETCH_VAL            0x00000001
 341
 342 /* control Register Bit Masks */
 343 #define  USB_CTRL_IOENB                       0x00000004
 344 #define  USB_CTRL_ULPI_INT0EN                 0x00000001
 345
 346 /* Endpoint Queue Head data struct
 347  * Rem: all the variables of qh are LittleEndian Mode
 348  * and NEXT_POINTER_MASK should operate on a LittleEndian, Phy Addr
 349  */
 350 struct ep_queue_head {
 351         u32 max_pkt_length;     /* Mult(31-30) , Zlt(29) , Max Pkt len
 352                                    and IOS(15) */
 353         u32 curr_dtd_ptr;       /* Current dTD Pointer(31-5) */
 354         u32 next_dtd_ptr;       /* Next dTD Pointer(31-5), T(0) */
 355         u32 size_ioc_int_sts;   /* Total bytes (30-16), IOC (15),
 356                                    MultO(11-10), STS (7-0)  */
 357         u32 buff_ptr0;          /* Buffer pointer Page 0 (31-12) */
 358         u32 buff_ptr1;          /* Buffer pointer Page 1 (31-12) */
 359         u32 buff_ptr2;          /* Buffer pointer Page 2 (31-12) */
 360         u32 buff_ptr3;          /* Buffer pointer Page 3 (31-12) */
 361         u32 buff_ptr4;          /* Buffer pointer Page 4 (31-12) */
 362         u32 res1;
 363         u8 setup_buffer[8];     /* Setup data 8 bytes */
 364         u32 res2[4];
 365 };
 366
 367 /* Endpoint Queue Head Bit Masks */
 368 #define  EP_QUEUE_HEAD_MULT_POS               30
 369 #define  EP_QUEUE_HEAD_ZLT_SEL                0x20000000
 370 #define  EP_QUEUE_HEAD_MAX_PKT_LEN_POS        16
 371 #define  EP_QUEUE_HEAD_MAX_PKT_LEN(ep_info)   (((ep_info)>>16)&0x07ff)
 372 #define  EP_QUEUE_HEAD_IOS                    0x00008000
 373 #define  EP_QUEUE_HEAD_NEXT_TERMINATE         0x00000001
 374 #define  EP_QUEUE_HEAD_IOC                    0x00008000
 375 #define  EP_QUEUE_HEAD_MULTO                  0x00000C00
 376 #define  EP_QUEUE_HEAD_STATUS_HALT            0x00000040
 377 #define  EP_QUEUE_HEAD_STATUS_ACTIVE          0x00000080
 378 #define  EP_QUEUE_CURRENT_OFFSET_MASK         0x00000FFF
 379 #define  EP_QUEUE_HEAD_NEXT_POINTER_MASK      0xFFFFFFE0
 380 #define  EP_QUEUE_FRINDEX_MASK                0x000007FF
 381 #define  EP_MAX_LENGTH_TRANSFER               0x4000
 382
 383 /* Endpoint Transfer Descriptor data struct */
 384 /* Rem: all the variables of td are LittleEndian Mode */
 385 struct ep_td_struct {
 386         u32 next_td_ptr;        /* Next TD pointer(31-5), T(0) set
 387                                    indicate invalid */
 388         u32 size_ioc_sts;       /* Total bytes (30-16), IOC (15),
 389                                    MultO(11-10), STS (7-0)  */
 390         u32 buff_ptr0;          /* Buffer pointer Page 0 */
 391         u32 buff_ptr1;          /* Buffer pointer Page 1 */
 392         u32 buff_ptr2;          /* Buffer pointer Page 2 */
 393         u32 buff_ptr3;          /* Buffer pointer Page 3 */
 394         u32 buff_ptr4;          /* Buffer pointer Page 4 */
 395         u32 res;
 396         /* 32 bytes */
 397         dma_addr_t td_dma;      /* dma address for this td */
 398         /* virtual address of next td specified in next_td_ptr */
 399         struct ep_td_struct *next_td_virt;
 400 };
 401
 402 /* Endpoint Transfer Descriptor bit Masks */
 403 #define  DTD_NEXT_TERMINATE                   0x00000001
 404 #define  DTD_IOC                              0x00008000
 405 #define  DTD_STATUS_ACTIVE                    0x00000080
 406 #define  DTD_STATUS_HALTED                    0x00000040
 407 #define  DTD_STATUS_DATA_BUFF_ERR             0x00000020
 408 #define  DTD_STATUS_TRANSACTION_ERR           0x00000008
 409 #define  DTD_RESERVED_FIELDS                  0x80007300
 410 #define  DTD_ADDR_MASK                        0xFFFFFFE0
 411 #define  DTD_PACKET_SIZE                      0x7FFF0000
 412 #define  DTD_LENGTH_BIT_POS                   16
 413 #define  DTD_ERROR_MASK                       (DTD_STATUS_HALTED | \
 414                                                DTD_STATUS_DATA_BUFF_ERR | \
 415                                                DTD_STATUS_TRANSACTION_ERR)
 416 /* Alignment requirements; must be a power of two */
 417 #define DTD_ALIGNMENT                           0x20
 418 #define QH_ALIGNMENT                            2048
 419
 420 /* Controller dma boundary */
 421 #define UDC_DMA_BOUNDARY                        0x1000
 422
 423 /* -----------------------------------------------------------------------*/
 424 /* ##### enum data
 425 */
 426 typedef enum {
 427         e_ULPI,
 428         e_UTMI_8BIT,
 429         e_UTMI_16BIT,
 430         e_SERIAL
 431 } e_PhyInterface;
 432
 433 /*-------------------------------------------------------------------------*/
 434
 435 /* ### driver private data
 436  */
 437 struct fsl_req {
 438         struct usb_request req;
 439         struct list_head queue;
 440         /* ep_queue() func will add
 441            a request->queue into a udc_ep->queue 'd tail */
 442         struct fsl_ep *ep;
 443         unsigned mapped:1;
 444
 445         struct ep_td_struct *head, *tail;       /* For dTD List
 446                                                    cpu endian Virtual addr */
 447         unsigned int dtd_count;
 448 };
 449
 450 #define REQ_UNCOMPLETE                  1
 451
 452 struct fsl_ep {
 453         struct usb_ep ep;
 454         struct list_head queue;
 455         struct fsl_udc *udc;
 456         struct ep_queue_head *qh;
 457         const struct usb_endpoint_descriptor *desc;
 458         struct usb_gadget *gadget;
 459
 460         char name[14];
 461         unsigned stopped:1;
 462 };
 463
 464 #define EP_DIR_IN       1
 465 #define EP_DIR_OUT      0
 466
 467 struct fsl_udc {
 468
 469         struct usb_gadget gadget;
 470         struct usb_gadget_driver *driver;
 471         struct fsl_ep *eps;
 472         unsigned int max_ep;
 473         unsigned int irq;
 474
 475         struct usb_ctrlrequest local_setup_buff;
 476         spinlock_t lock;
 477         struct otg_transceiver *transceiver;
 478         unsigned softconnect:1;
 479         unsigned vbus_active:1;
 480         unsigned stopped:1;
 481         unsigned remote_wakeup:1;
 482
 483         struct ep_queue_head *ep_qh;    /* Endpoints Queue-Head */
 484         struct fsl_req *status_req;     /* ep0 status request */
 485         struct dma_pool *td_pool;       /* dma pool for DTD */
 486         enum fsl_usb2_phy_modes phy_mode;
 487
 488         size_t ep_qh_size;              /* size after alignment adjustment*/
 489         dma_addr_t ep_qh_dma;           /* dma address of QH */
 490
 491         u32 max_pipes;          /* Device max pipes */
 492         u32 max_use_endpts;     /* Max endpointes to be used */
 493         u32 bus_reset;          /* Device is bus reseting */
 494         u32 resume_state;       /* USB state to resume */
 495         u32 usb_state;          /* USB current state */
 496         u32 usb_next_state;     /* USB next state */
 497         u32 ep0_state;          /* Endpoint zero state */
 498         u32 ep0_dir;            /* Endpoint zero direction: can be
 499                                    USB_DIR_IN or USB_DIR_OUT */
 500         u32 usb_sof_count;      /* SOF count */
 501         u32 errors;             /* USB ERRORs count */
 502         u8 device_address;      /* Device USB address */
 503
 504         struct completion *done;        /* to make sure release() is done */
 505 };
 506
 507 /*-------------------------------------------------------------------------*/
 508
 509 #ifdef DEBUG
 510 #define DBG(fmt, args...)       printk(KERN_DEBUG "[%s]  " fmt "\n", \
 511                                 __FUNCTION__, ## args)
 512 #else
 513 #define DBG(fmt, args...)       do{}while(0)
 514 #endif
 515
 516 #if 0
 517 static void dump_msg(const char *label, const u8 * buf, unsigned int length)
 518 {
 519         unsigned int start, num, i;
 520         char line[52], *p;
 521
 522         if (length >= 512)
 523                 return;
 524         DBG("%s, length %u:\n", label, length);
 525         start = 0;
 526         while (length > 0) {
 527                 num = min(length, 16u);
 528                 p = line;
 529                 for (i = 0; i < num; ++i) {
 530                         if (i == 8)
 531                                 *p++ = ' ';
 532                         sprintf(p, " %02x", buf[i]);
 533                         p += 3;
 534                 }
 535                 *p = 0;
 536                 printk(KERN_DEBUG "%6x: %s\n", start, line);
 537                 buf += num;
 538                 start += num;
 539                 length -= num;
 540         }
 541 }
 542 #endif
 543
 544 #ifdef VERBOSE
 545 #define VDBG            DBG
 546 #else
 547 #define VDBG(stuff...)  do{}while(0)
 548 #endif
 549
 550 #define ERR(stuff...)           printk(KERN_ERR "udc: " stuff)
 551 #define WARN(stuff...)          printk(KERN_WARNING "udc: " stuff)
 552 #define INFO(stuff...)          printk(KERN_INFO "udc: " stuff)
 553
 554 /*-------------------------------------------------------------------------*/
 555
 556 /* ### Add board specific defines here
 557  */
 558
 559 /*
 560  * ### pipe direction macro from device view
 561  */
 562 #define USB_RECV        0       /* OUT EP */
 563 #define USB_SEND        1       /* IN EP */
 564
 565 /*
 566  * ### internal used help routines.
 567  */
 568 #define ep_index(EP)            ((EP)->desc->bEndpointAddress&0xF)
 569 #define ep_maxpacket(EP)        ((EP)->ep.maxpacket)
 570 #define ep_is_in(EP)    ( (ep_index(EP) == 0) ? (EP->udc->ep0_dir == \
 571                         USB_DIR_IN ):((EP)->desc->bEndpointAddress \
 572                         & USB_DIR_IN)==USB_DIR_IN)
 573 #define get_ep_by_pipe(udc, pipe)       ((pipe == 1)? &udc->eps[0]: \
 574                                         &udc->eps[pipe])
 575 #define get_pipe_by_windex(windex)      ((windex & USB_ENDPOINT_NUMBER_MASK) \
 576                                         * 2 + ((windex & USB_DIR_IN) ? 1 : 0))
 577 #define get_pipe_by_ep(EP)      (ep_index(EP) * 2 + ep_is_in(EP))
 578
 579 #endif