drivers/usb/gadget/fsl_usb2_udc.h

   1 /*
   2  * Copyright (C) 2004,2012 Freescale Semiconductor, Inc
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute  it and/or modify it
   6  * under  the terms of  the GNU General  Public License as published by the
   7  * Free Software Foundation;  either version 2 of the  License, or (at your
   8  * option) any later version.
   9  *
  10  * Freescale USB device/endpoint management registers
  11  */
  12 #ifndef __FSL_USB2_UDC_H
  13 #define __FSL_USB2_UDC_H
  14
  15 /* ### define USB registers here
  16  */
  17 #define USB_MAX_CTRL_PAYLOAD            64
  18 #define USB_DR_SYS_OFFSET               0x400
  19
  20  /* USB DR device mode registers (Little Endian) */
  21 struct usb_dr_device {
  22         /* Capability register */
  23         u8 res1[256];
  24         u16 caplength;          /* Capability Register Length */
  25         u16 hciversion;         /* Host Controller Interface Version */
  26         u32 hcsparams;          /* Host Controller Structural Parameters */
  27         u32 hccparams;          /* Host Controller Capability Parameters */
  28         u8 res2[20];
  29         u32 dciversion;         /* Device Controller Interface Version */
  30         u32 dccparams;          /* Device Controller Capability Parameters */
  31         u8 res3[24];
  32         /* Operation register */
  33         u32 usbcmd;             /* USB Command Register */
  34         u32 usbsts;             /* USB Status Register */
  35         u32 usbintr;            /* USB Interrupt Enable Register */
  36         u32 frindex;            /* Frame Index Register */
  37         u8 res4[4];
  38         u32 deviceaddr;         /* Device Address */
  39         u32 endpointlistaddr;   /* Endpoint List Address Register */
  40         u8 res5[4];
  41         u32 burstsize;          /* Master Interface Data Burst Size Register */
  42         u32 txttfilltuning;     /* Transmit FIFO Tuning Controls Register */
  43         u8 res6[24];
  44         u32 configflag;         /* Configure Flag Register */
  45         u32 portsc1;            /* Port 1 Status and Control Register */
  46         u8 res7[28];
  47         u32 otgsc;              /* On-The-Go Status and Control */
  48         u32 usbmode;            /* USB Mode Register */
  49         u32 endptsetupstat;     /* Endpoint Setup Status Register */
  50         u32 endpointprime;      /* Endpoint Initialization Register */
  51         u32 endptflush;         /* Endpoint Flush Register */
  52         u32 endptstatus;        /* Endpoint Status Register */
  53         u32 endptcomplete;      /* Endpoint Complete Register */
  54         u32 endptctrl[6];       /* Endpoint Control Registers */
  55 };
  56
  57  /* USB DR host mode registers (Little Endian) */
  58 struct usb_dr_host {
  59         /* Capability register */
  60         u8 res1[256];
  61         u16 caplength;          /* Capability Register Length */
  62         u16 hciversion;         /* Host Controller Interface Version */
  63         u32 hcsparams;          /* Host Controller Structural Parameters */
  64         u32 hccparams;          /* Host Controller Capability Parameters */
  65         u8 res2[20];
  66         u32 dciversion;         /* Device Controller Interface Version */
  67         u32 dccparams;          /* Device Controller Capability Parameters */
  68         u8 res3[24];
  69         /* Operation register */
  70         u32 usbcmd;             /* USB Command Register */
  71         u32 usbsts;             /* USB Status Register */
  72         u32 usbintr;            /* USB Interrupt Enable Register */
  73         u32 frindex;            /* Frame Index Register */
  74         u8 res4[4];
  75         u32 periodiclistbase;   /* Periodic Frame List Base Address Register */
  76         u32 asynclistaddr;      /* Current Asynchronous List Address Register */
  77         u8 res5[4];
  78         u32 burstsize;          /* Master Interface Data Burst Size Register */
  79         u32 txttfilltuning;     /* Transmit FIFO Tuning Controls Register */
  80         u8 res6[24];
  81         u32 configflag;         /* Configure Flag Register */
  82         u32 portsc1;            /* Port 1 Status and Control Register */
  83         u8 res7[28];
  84         u32 otgsc;              /* On-The-Go Status and Control */
  85         u32 usbmode;            /* USB Mode Register */
  86         u32 endptsetupstat;     /* Endpoint Setup Status Register */
  87         u32 endpointprime;      /* Endpoint Initialization Register */
  88         u32 endptflush;         /* Endpoint Flush Register */
  89         u32 endptstatus;        /* Endpoint Status Register */
  90         u32 endptcomplete;      /* Endpoint Complete Register */
  91         u32 endptctrl[6];       /* Endpoint Control Registers */
  92 };
  93
  94  /* non-EHCI USB system interface registers (Big Endian) */
  95 struct usb_sys_interface {
  96         u32 snoop1;
  97         u32 snoop2;
  98         u32 age_cnt_thresh;     /* Age Count Threshold Register */
  99         u32 pri_ctrl;           /* Priority Control Register */
 100         u32 si_ctrl;            /* System Interface Control Register */
 101         u8 res[236];
 102         u32 control;            /* General Purpose Control Register */
 103 };
 104
 105 /* ep0 transfer state */
 106 #define WAIT_FOR_SETUP          0
 107 #define DATA_STATE_XMIT         1
 108 #define DATA_STATE_NEED_ZLP     2
 109 #define WAIT_FOR_OUT_STATUS     3
 110 #define DATA_STATE_RECV         4
 111
 112 /* Device Controller Capability Parameter register */
 113 #define DCCPARAMS_DC                            0x00000080
 114 #define DCCPARAMS_DEN_MASK                      0x0000001f
 115
 116 /* Frame Index Register Bit Masks */
 117 #define USB_FRINDEX_MASKS                       0x3fff
 118 /* USB CMD  Register Bit Masks */
 119 #define  USB_CMD_RUN_STOP                     0x00000001
 120 #define  USB_CMD_CTRL_RESET                   0x00000002
 121 #define  USB_CMD_PERIODIC_SCHEDULE_EN         0x00000010
 122 #define  USB_CMD_ASYNC_SCHEDULE_EN            0x00000020
 123 #define  USB_CMD_INT_AA_DOORBELL              0x00000040
 124 #define  USB_CMD_ASP                          0x00000300
 125 #define  USB_CMD_ASYNC_SCH_PARK_EN            0x00000800
 126 #define  USB_CMD_SUTW                         0x00002000
 127 #define  USB_CMD_ATDTW                        0x00004000
 128 #define  USB_CMD_ITC                          0x00FF0000
 129
 130 /* bit 15,3,2 are frame list size */
 131 #define  USB_CMD_FRAME_SIZE_1024              0x00000000
 132 #define  USB_CMD_FRAME_SIZE_512               0x00000004
 133 #define  USB_CMD_FRAME_SIZE_256               0x00000008
 134 #define  USB_CMD_FRAME_SIZE_128               0x0000000C
 135 #define  USB_CMD_FRAME_SIZE_64                0x00008000
 136 #define  USB_CMD_FRAME_SIZE_32                0x00008004
 137 #define  USB_CMD_FRAME_SIZE_16                0x00008008
 138 #define  USB_CMD_FRAME_SIZE_8                 0x0000800C
 139
 140 /* bit 9-8 are async schedule park mode count */
 141 #define  USB_CMD_ASP_00                       0x00000000
 142 #define  USB_CMD_ASP_01                       0x00000100
 143 #define  USB_CMD_ASP_10                       0x00000200
 144 #define  USB_CMD_ASP_11                       0x00000300
 145 #define  USB_CMD_ASP_BIT_POS                  8
 146
 147 /* bit 23-16 are interrupt threshold control */
 148 #define  USB_CMD_ITC_NO_THRESHOLD             0x00000000
 149 #define  USB_CMD_ITC_1_MICRO_FRM              0x00010000
 150 #define  USB_CMD_ITC_2_MICRO_FRM              0x00020000
 151 #define  USB_CMD_ITC_4_MICRO_FRM              0x00040000
 152 #define  USB_CMD_ITC_8_MICRO_FRM              0x00080000
 153 #define  USB_CMD_ITC_16_MICRO_FRM             0x00100000
 154 #define  USB_CMD_ITC_32_MICRO_FRM             0x00200000
 155 #define  USB_CMD_ITC_64_MICRO_FRM             0x00400000
 156 #define  USB_CMD_ITC_BIT_POS                  16
 157
 158 /* USB STS Register Bit Masks */
 159 #define  USB_STS_INT                          0x00000001
 160 #define  USB_STS_ERR                          0x00000002
 161 #define  USB_STS_PORT_CHANGE                  0x00000004
 162 #define  USB_STS_FRM_LST_ROLL                 0x00000008
 163 #define  USB_STS_SYS_ERR                      0x00000010
 164 #define  USB_STS_IAA                          0x00000020
 165 #define  USB_STS_RESET                        0x00000040
 166 #define  USB_STS_SOF                          0x00000080
 167 #define  USB_STS_SUSPEND                      0x00000100
 168 #define  USB_STS_HC_HALTED                    0x00001000
 169 #define  USB_STS_RCL                          0x00002000
 170 #define  USB_STS_PERIODIC_SCHEDULE            0x00004000
 171 #define  USB_STS_ASYNC_SCHEDULE               0x00008000
 172
 173 /* USB INTR Register Bit Masks */
 174 #define  USB_INTR_INT_EN                      0x00000001
 175 #define  USB_INTR_ERR_INT_EN                  0x00000002
 176 #define  USB_INTR_PTC_DETECT_EN               0x00000004
 177 #define  USB_INTR_FRM_LST_ROLL_EN             0x00000008
 178 #define  USB_INTR_SYS_ERR_EN                  0x00000010
 179 #define  USB_INTR_ASYN_ADV_EN                 0x00000020
 180 #define  USB_INTR_RESET_EN                    0x00000040
 181 #define  USB_INTR_SOF_EN                      0x00000080
 182 #define  USB_INTR_DEVICE_SUSPEND              0x00000100
 183
 184 /* Device Address bit masks */
 185 #define  USB_DEVICE_ADDRESS_MASK              0xFE000000
 186 #define  USB_DEVICE_ADDRESS_BIT_POS           25
 187
 188 /* endpoint list address bit masks */
 189 #define USB_EP_LIST_ADDRESS_MASK              0xfffff800
 190
 191 /* PORTSCX  Register Bit Masks */
 192 #define  PORTSCX_CURRENT_CONNECT_STATUS       0x00000001
 193 #define  PORTSCX_CONNECT_STATUS_CHANGE        0x00000002
 194 #define  PORTSCX_PORT_ENABLE                  0x00000004
 195 #define  PORTSCX_PORT_EN_DIS_CHANGE           0x00000008
 196 #define  PORTSCX_OVER_CURRENT_ACT             0x00000010
 197 #define  PORTSCX_OVER_CURRENT_CHG             0x00000020
 198 #define  PORTSCX_PORT_FORCE_RESUME            0x00000040
 199 #define  PORTSCX_PORT_SUSPEND                 0x00000080
 200 #define  PORTSCX_PORT_RESET                   0x00000100
 201 #define  PORTSCX_LINE_STATUS_BITS             0x00000C00
 202 #define  PORTSCX_PORT_POWER                   0x00001000
 203 #define  PORTSCX_PORT_INDICTOR_CTRL           0x0000C000
 204 #define  PORTSCX_PORT_TEST_CTRL               0x000F0000
 205 #define  PORTSCX_WAKE_ON_CONNECT_EN           0x00100000
 206 #define  PORTSCX_WAKE_ON_CONNECT_DIS          0x00200000
 207 #define  PORTSCX_WAKE_ON_OVER_CURRENT         0x00400000
 208 #define  PORTSCX_PHY_LOW_POWER_SPD            0x00800000
 209 #define  PORTSCX_PORT_FORCE_FULL_SPEED        0x01000000
 210 #define  PORTSCX_PORT_SPEED_MASK              0x0C000000
 211 #define  PORTSCX_PORT_WIDTH                   0x10000000
 212 #define  PORTSCX_PHY_TYPE_SEL                 0xC0000000
 213
 214 /* bit 11-10 are line status */
 215 #define  PORTSCX_LINE_STATUS_SE0              0x00000000
 216 #define  PORTSCX_LINE_STATUS_JSTATE           0x00000400
 217 #define  PORTSCX_LINE_STATUS_KSTATE           0x00000800
 218 #define  PORTSCX_LINE_STATUS_UNDEF            0x00000C00
 219 #define  PORTSCX_LINE_STATUS_BIT_POS          10
 220
 221 /* bit 15-14 are port indicator control */
 222 #define  PORTSCX_PIC_OFF                      0x00000000
 223 #define  PORTSCX_PIC_AMBER                    0x00004000
 224 #define  PORTSCX_PIC_GREEN                    0x00008000
 225 #define  PORTSCX_PIC_UNDEF                    0x0000C000
 226 #define  PORTSCX_PIC_BIT_POS                  14
 227
 228 /* bit 19-16 are port test control */
 229 #define  PORTSCX_PTC_DISABLE                  0x00000000
 230 #define  PORTSCX_PTC_JSTATE                   0x00010000
 231 #define  PORTSCX_PTC_KSTATE                   0x00020000
 232 #define  PORTSCX_PTC_SEQNAK                   0x00030000
 233 #define  PORTSCX_PTC_PACKET                   0x00040000
 234 #define  PORTSCX_PTC_FORCE_EN                 0x00050000
 235 #define  PORTSCX_PTC_BIT_POS                  16
 236
 237 /* bit 27-26 are port speed */
 238 #define  PORTSCX_PORT_SPEED_FULL              0x00000000
 239 #define  PORTSCX_PORT_SPEED_LOW               0x04000000
 240 #define  PORTSCX_PORT_SPEED_HIGH              0x08000000
 241 #define  PORTSCX_PORT_SPEED_UNDEF             0x0C000000
 242 #define  PORTSCX_SPEED_BIT_POS                26
 243
 244 /* bit 28 is parallel transceiver width for UTMI interface */
 245 #define  PORTSCX_PTW                          0x10000000
 246 #define  PORTSCX_PTW_8BIT                     0x00000000
 247 #define  PORTSCX_PTW_16BIT                    0x10000000
 248
 249 /* bit 31-30 are port transceiver select */
 250 #define  PORTSCX_PTS_UTMI                     0x00000000
 251 #define  PORTSCX_PTS_ULPI                     0x80000000
 252 #define  PORTSCX_PTS_FSLS                     0xC0000000
 253 #define  PORTSCX_PTS_BIT_POS                  30
 254
 255 /* otgsc Register Bit Masks */
 256 #define  OTGSC_CTRL_VUSB_DISCHARGE            0x00000001
 257 #define  OTGSC_CTRL_VUSB_CHARGE               0x00000002
 258 #define  OTGSC_CTRL_OTG_TERM                  0x00000008
 259 #define  OTGSC_CTRL_DATA_PULSING              0x00000010
 260 #define  OTGSC_STS_USB_ID                     0x00000100
 261 #define  OTGSC_STS_A_VBUS_VALID               0x00000200
 262 #define  OTGSC_STS_A_SESSION_VALID            0x00000400
 263 #define  OTGSC_STS_B_SESSION_VALID            0x00000800
 264 #define  OTGSC_STS_B_SESSION_END              0x00001000
 265 #define  OTGSC_STS_1MS_TOGGLE                 0x00002000
 266 #define  OTGSC_STS_DATA_PULSING               0x00004000
 267 #define  OTGSC_INTSTS_USB_ID                  0x00010000
 268 #define  OTGSC_INTSTS_A_VBUS_VALID            0x00020000
 269 #define  OTGSC_INTSTS_A_SESSION_VALID         0x00040000
 270 #define  OTGSC_INTSTS_B_SESSION_VALID         0x00080000
 271 #define  OTGSC_INTSTS_B_SESSION_END           0x00100000
 272 #define  OTGSC_INTSTS_1MS                     0x00200000
 273 #define  OTGSC_INTSTS_DATA_PULSING            0x00400000
 274 #define  OTGSC_INTR_USB_ID                    0x01000000
 275 #define  OTGSC_INTR_A_VBUS_VALID              0x02000000
 276 #define  OTGSC_INTR_A_SESSION_VALID           0x04000000
 277 #define  OTGSC_INTR_B_SESSION_VALID           0x08000000
 278 #define  OTGSC_INTR_B_SESSION_END             0x10000000
 279 #define  OTGSC_INTR_1MS_TIMER                 0x20000000
 280 #define  OTGSC_INTR_DATA_PULSING              0x40000000
 281
 282 /* USB MODE Register Bit Masks */
 283 #define  USB_MODE_CTRL_MODE_IDLE              0x00000000
 284 #define  USB_MODE_CTRL_MODE_DEVICE            0x00000002
 285 #define  USB_MODE_CTRL_MODE_HOST              0x00000003
 286 #define  USB_MODE_CTRL_MODE_MASK              0x00000003
 287 #define  USB_MODE_CTRL_MODE_RSV               0x00000001
 288 #define  USB_MODE_ES                          0x00000004 /* Endian Select */
 289 #define  USB_MODE_SETUP_LOCK_OFF              0x00000008
 290 #define  USB_MODE_STREAM_DISABLE              0x00000010
 291 /* Endpoint Flush Register */
 292 #define EPFLUSH_TX_OFFSET                     0x00010000
 293 #define EPFLUSH_RX_OFFSET                     0x00000000
 294
 295 /* Endpoint Setup Status bit masks */
 296 #define  EP_SETUP_STATUS_MASK                 0x0000003F
 297 #define  EP_SETUP_STATUS_EP0                  0x00000001
 298
 299 /* ENDPOINTCTRLx  Register Bit Masks */
 300 #define  EPCTRL_TX_ENABLE                     0x00800000
 301 #define  EPCTRL_TX_DATA_TOGGLE_RST            0x00400000        /* Not EP0 */
 302 #define  EPCTRL_TX_DATA_TOGGLE_INH            0x00200000        /* Not EP0 */
 303 #define  EPCTRL_TX_TYPE                       0x000C0000
 304 #define  EPCTRL_TX_DATA_SOURCE                0x00020000        /* Not EP0 */
 305 #define  EPCTRL_TX_EP_STALL                   0x00010000
 306 #define  EPCTRL_RX_ENABLE                     0x00000080
 307 #define  EPCTRL_RX_DATA_TOGGLE_RST            0x00000040        /* Not EP0 */
 308 #define  EPCTRL_RX_DATA_TOGGLE_INH            0x00000020        /* Not EP0 */
 309 #define  EPCTRL_RX_TYPE                       0x0000000C
 310 #define  EPCTRL_RX_DATA_SINK                  0x00000002        /* Not EP0 */
 311 #define  EPCTRL_RX_EP_STALL                   0x00000001
 312
 313 /* bit 19-18 and 3-2 are endpoint type */
 314 #define  EPCTRL_EP_TYPE_CONTROL               0
 315 #define  EPCTRL_EP_TYPE_ISO                   1
 316 #define  EPCTRL_EP_TYPE_BULK                  2
 317 #define  EPCTRL_EP_TYPE_INTERRUPT             3
 318 #define  EPCTRL_TX_EP_TYPE_SHIFT              18
 319 #define  EPCTRL_RX_EP_TYPE_SHIFT              2
 320
 321 /* SNOOPn Register Bit Masks */
 322 #define  SNOOP_ADDRESS_MASK                   0xFFFFF000
 323 #define  SNOOP_SIZE_ZERO                      0x00      /* snooping disable */
 324 #define  SNOOP_SIZE_4KB                       0x0B      /* 4KB snoop size */
 325 #define  SNOOP_SIZE_8KB                       0x0C
 326 #define  SNOOP_SIZE_16KB                      0x0D
 327 #define  SNOOP_SIZE_32KB                      0x0E
 328 #define  SNOOP_SIZE_64KB                      0x0F
 329 #define  SNOOP_SIZE_128KB                     0x10
 330 #define  SNOOP_SIZE_256KB                     0x11
 331 #define  SNOOP_SIZE_512KB                     0x12
 332 #define  SNOOP_SIZE_1MB                       0x13
 333 #define  SNOOP_SIZE_2MB                       0x14
 334 #define  SNOOP_SIZE_4MB                       0x15
 335 #define  SNOOP_SIZE_8MB                       0x16
 336 #define  SNOOP_SIZE_16MB                      0x17
 337 #define  SNOOP_SIZE_32MB                      0x18
 338 #define  SNOOP_SIZE_64MB                      0x19
 339 #define  SNOOP_SIZE_128MB                     0x1A
 340 #define  SNOOP_SIZE_256MB                     0x1B
 341 #define  SNOOP_SIZE_512MB                     0x1C
 342 #define  SNOOP_SIZE_1GB                       0x1D
 343 #define  SNOOP_SIZE_2GB                       0x1E      /* 2GB snoop size */
 344
 345 /* pri_ctrl Register Bit Masks */
 346 #define  PRI_CTRL_PRI_LVL1                    0x0000000C
 347 #define  PRI_CTRL_PRI_LVL0                    0x00000003
 348
 349 /* si_ctrl Register Bit Masks */
 350 #define  SI_CTRL_ERR_DISABLE                  0x00000010
 351 #define  SI_CTRL_IDRC_DISABLE                 0x00000008
 352 #define  SI_CTRL_RD_SAFE_EN                   0x00000004
 353 #define  SI_CTRL_RD_PREFETCH_DISABLE          0x00000002
 354 #define  SI_CTRL_RD_PREFEFETCH_VAL            0x00000001
 355
 356 /* control Register Bit Masks */
 357 #define  USB_CTRL_IOENB                       0x00000004
 358 #define  USB_CTRL_ULPI_INT0EN                 0x00000001
 359 #define USB_CTRL_UTMI_PHY_EN                  0x00000200
 360 #define USB_CTRL_USB_EN                       0x00000004
 361 #define USB_CTRL_ULPI_PHY_CLK_SEL             0x00000400
 362
 363 /* Endpoint Queue Head data struct
 364  * Rem: all the variables of qh are LittleEndian Mode
 365  * and NEXT_POINTER_MASK should operate on a LittleEndian, Phy Addr
 366  */
 367 struct ep_queue_head {
 368         u32 max_pkt_length;     /* Mult(31-30) , Zlt(29) , Max Pkt len
 369                                    and IOS(15) */
 370         u32 curr_dtd_ptr;       /* Current dTD Pointer(31-5) */
 371         u32 next_dtd_ptr;       /* Next dTD Pointer(31-5), T(0) */
 372         u32 size_ioc_int_sts;   /* Total bytes (30-16), IOC (15),
 373                                    MultO(11-10), STS (7-0)  */
 374         u32 buff_ptr0;          /* Buffer pointer Page 0 (31-12) */
 375         u32 buff_ptr1;          /* Buffer pointer Page 1 (31-12) */
 376         u32 buff_ptr2;          /* Buffer pointer Page 2 (31-12) */
 377         u32 buff_ptr3;          /* Buffer pointer Page 3 (31-12) */
 378         u32 buff_ptr4;          /* Buffer pointer Page 4 (31-12) */
 379         u32 res1;
 380         u8 setup_buffer[8];     /* Setup data 8 bytes */
 381         u32 res2[4];
 382 };
 383
 384 /* Endpoint Queue Head Bit Masks */
 385 #define  EP_QUEUE_HEAD_MULT_POS               30
 386 #define  EP_QUEUE_HEAD_ZLT_SEL                0x20000000
 387 #define  EP_QUEUE_HEAD_MAX_PKT_LEN_POS        16
 388 #define  EP_QUEUE_HEAD_MAX_PKT_LEN(ep_info)   (((ep_info)>>16)&0x07ff)
 389 #define  EP_QUEUE_HEAD_IOS                    0x00008000
 390 #define  EP_QUEUE_HEAD_NEXT_TERMINATE         0x00000001
 391 #define  EP_QUEUE_HEAD_IOC                    0x00008000
 392 #define  EP_QUEUE_HEAD_MULTO                  0x00000C00
 393 #define  EP_QUEUE_HEAD_STATUS_HALT            0x00000040
 394 #define  EP_QUEUE_HEAD_STATUS_ACTIVE          0x00000080
 395 #define  EP_QUEUE_CURRENT_OFFSET_MASK         0x00000FFF
 396 #define  EP_QUEUE_HEAD_NEXT_POINTER_MASK      0xFFFFFFE0
 397 #define  EP_QUEUE_FRINDEX_MASK                0x000007FF
 398 #define  EP_MAX_LENGTH_TRANSFER               0x4000
 399
 400 /* Endpoint Transfer Descriptor data struct */
 401 /* Rem: all the variables of td are LittleEndian Mode */
 402 struct ep_td_struct {
 403         u32 next_td_ptr;        /* Next TD pointer(31-5), T(0) set
 404                                    indicate invalid */
 405         u32 size_ioc_sts;       /* Total bytes (30-16), IOC (15),
 406                                    MultO(11-10), STS (7-0)  */
 407         u32 buff_ptr0;          /* Buffer pointer Page 0 */
 408         u32 buff_ptr1;          /* Buffer pointer Page 1 */
 409         u32 buff_ptr2;          /* Buffer pointer Page 2 */
 410         u32 buff_ptr3;          /* Buffer pointer Page 3 */
 411         u32 buff_ptr4;          /* Buffer pointer Page 4 */
 412         u32 res;
 413         /* 32 bytes */
 414         dma_addr_t td_dma;      /* dma address for this td */
 415         /* virtual address of next td specified in next_td_ptr */
 416         struct ep_td_struct *next_td_virt;
 417 };
 418
 419 /* Endpoint Transfer Descriptor bit Masks */
 420 #define  DTD_NEXT_TERMINATE                   0x00000001
 421 #define  DTD_IOC                              0x00008000
 422 #define  DTD_STATUS_ACTIVE                    0x00000080
 423 #define  DTD_STATUS_HALTED                    0x00000040
 424 #define  DTD_STATUS_DATA_BUFF_ERR             0x00000020
 425 #define  DTD_STATUS_TRANSACTION_ERR           0x00000008
 426 #define  DTD_RESERVED_FIELDS                  0x80007300
 427 #define  DTD_ADDR_MASK                        0xFFFFFFE0
 428 #define  DTD_PACKET_SIZE                      0x7FFF0000
 429 #define  DTD_LENGTH_BIT_POS                   16
 430 #define  DTD_ERROR_MASK                       (DTD_STATUS_HALTED | \
 431                                                DTD_STATUS_DATA_BUFF_ERR | \
 432                                                DTD_STATUS_TRANSACTION_ERR)
 433 /* Alignment requirements; must be a power of two */
 434 #define DTD_ALIGNMENT                           0x20
 435 #define QH_ALIGNMENT                            2048
 436
 437 /* Controller dma boundary */
 438 #define UDC_DMA_BOUNDARY                        0x1000
 439
 440 /*-------------------------------------------------------------------------*/
 441
 442 /* ### driver private data
 443  */
 444 struct fsl_req {
 445         struct usb_request req;
 446         struct list_head queue;
 447         /* ep_queue() func will add
 448            a request->queue into a udc_ep->queue 'd tail */
 449         struct fsl_ep *ep;
 450         unsigned mapped:1;
 451
 452         struct ep_td_struct *head, *tail;       /* For dTD List
 453                                                    cpu endian Virtual addr */
 454         unsigned int dtd_count;
 455 };
 456
 457 #define REQ_UNCOMPLETE                  1
 458
 459 struct fsl_ep {
 460         struct usb_ep ep;
 461         struct list_head queue;
 462         struct fsl_udc *udc;
 463         struct ep_queue_head *qh;
 464         struct usb_gadget *gadget;
 465
 466         char name[14];
 467         unsigned stopped:1;
 468 };
 469
 470 #define EP_DIR_IN       1
 471 #define EP_DIR_OUT      0
 472
 473 struct fsl_udc {
 474         struct usb_gadget gadget;
 475         struct usb_gadget_driver *driver;
 476         struct fsl_usb2_platform_data *pdata;
 477         struct completion *done;        /* to make sure release() is done */
 478         struct fsl_ep *eps;
 479         unsigned int max_ep;
 480         unsigned int irq;
 481
 482         struct usb_ctrlrequest local_setup_buff;
 483         spinlock_t lock;
 484         struct usb_phy *transceiver;
 485         unsigned softconnect:1;
 486         unsigned vbus_active:1;
 487         unsigned stopped:1;
 488         unsigned remote_wakeup:1;
 489         unsigned already_stopped:1;
 490         unsigned big_endian_desc:1;
 491
 492         struct ep_queue_head *ep_qh;    /* Endpoints Queue-Head */
 493         struct fsl_req *status_req;     /* ep0 status request */
 494         struct dma_pool *td_pool;       /* dma pool for DTD */
 495         enum fsl_usb2_phy_modes phy_mode;
 496
 497         size_t ep_qh_size;              /* size after alignment adjustment*/
 498         dma_addr_t ep_qh_dma;           /* dma address of QH */
 499
 500         u32 max_pipes;          /* Device max pipes */
 501         u32 bus_reset;          /* Device is bus resetting */
 502         u32 resume_state;       /* USB state to resume */
 503         u32 usb_state;          /* USB current state */
 504         u32 ep0_state;          /* Endpoint zero state */
 505         u32 ep0_dir;            /* Endpoint zero direction: can be
 506                                    USB_DIR_IN or USB_DIR_OUT */
 507         u8 device_address;      /* Device USB address */
 508 };
 509
 510 /*-------------------------------------------------------------------------*/
 511
 512 #ifdef DEBUG
 513 #define DBG(fmt, args...)       printk(KERN_DEBUG "[%s]  " fmt "\n", \
 514                                 __func__, ## args)
 515 #else
 516 #define DBG(fmt, args...)       do{}while(0)
 517 #endif
 518
 519 #if 0
 520 static void dump_msg(const char *label, const u8 * buf, unsigned int length)
 521 {
 522         unsigned int start, num, i;
 523         char line[52], *p;
 524
 525         if (length >= 512)
 526                 return;
 527         DBG("%s, length %u:\n", label, length);
 528         start = 0;
 529         while (length > 0) {
 530                 num = min(length, 16u);
 531                 p = line;
 532                 for (i = 0; i < num; ++i) {
 533                         if (i == 8)
 534                                 *p++ = ' ';
 535                         sprintf(p, " %02x", buf[i]);
 536                         p += 3;
 537                 }
 538                 *p = 0;
 539                 printk(KERN_DEBUG "%6x: %s\n", start, line);
 540                 buf += num;
 541                 start += num;
 542                 length -= num;
 543         }
 544 }
 545 #endif
 546
 547 #ifdef VERBOSE
 548 #define VDBG            DBG
 549 #else
 550 #define VDBG(stuff...)  do{}while(0)
 551 #endif
 552
 553 #define ERR(stuff...)           pr_err("udc: " stuff)
 554 #define WARNING(stuff...)               pr_warning("udc: " stuff)
 555 #define INFO(stuff...)          pr_info("udc: " stuff)
 556
 557 /*-------------------------------------------------------------------------*/
 558
 559 /* ### Add board specific defines here
 560  */
 561
 562 /*
 563  * ### pipe direction macro from device view
 564  */
 565 #define USB_RECV        0       /* OUT EP */
 566 #define USB_SEND        1       /* IN EP */
 567
 568 /*
 569  * ### internal used help routines.
 570  */
 571 #define ep_index(EP)            ((EP)->ep.desc->bEndpointAddress&0xF)
 572 #define ep_maxpacket(EP)        ((EP)->ep.maxpacket)
 573 #define ep_is_in(EP)    ( (ep_index(EP) == 0) ? (EP->udc->ep0_dir == \
 574                         USB_DIR_IN) : ((EP)->ep.desc->bEndpointAddress \
 575                         & USB_DIR_IN)==USB_DIR_IN)
 576 #define get_ep_by_pipe(udc, pipe)       ((pipe == 1)? &udc->eps[0]: \
 577                                         &udc->eps[pipe])
 578 #define get_pipe_by_windex(windex)      ((windex & USB_ENDPOINT_NUMBER_MASK) \
 579                                         * 2 + ((windex & USB_DIR_IN) ? 1 : 0))
 580 #define get_pipe_by_ep(EP)      (ep_index(EP) * 2 + ep_is_in(EP))
 581
 582 static inline struct ep_queue_head *get_qh_by_ep(struct fsl_ep *ep)
 583 {
 584         /* we only have one ep0 structure but two queue heads */
 585         if (ep_index(ep) != 0)
 586                 return ep->qh;
 587         else
 588                 return &ep->udc->ep_qh[(ep->udc->ep0_dir ==
 589                                 USB_DIR_IN) ? 1 : 0];
 590 }
 591
 592 struct platform_device;
 593 #ifdef CONFIG_ARCH_MXC
 594 int fsl_udc_clk_init(struct platform_device *pdev);
 595 void fsl_udc_clk_finalize(struct platform_device *pdev);
 596 void fsl_udc_clk_release(void);
 597 #else
 598 static inline int fsl_udc_clk_init(struct platform_device *pdev)
 599 {
 600         return 0;
 601 }
 602 static inline void fsl_udc_clk_finalize(struct platform_device *pdev)
 603 {
 604 }
 605 static inline void fsl_udc_clk_release(void)
 606 {
 607 }
 608 #endif
 609
 610 #endif