drivers/usb/gadget/udc/fsl_usb2_udc.h

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2004,2012 Freescale Semiconductor, Inc
   4  * All rights reserved.
   5  *
   6  * This program is free software; you can redistribute  it and/or modify it
   7  * under  the terms of  the GNU General  Public License as published by the
   8  * Free Software Foundation;  either version 2 of the  License, or (at your
   9  * option) any later version.
  10  *
  11  * Freescale USB device/endpoint management registers
  12  */
  13 #ifndef __FSL_USB2_UDC_H
  14 #define __FSL_USB2_UDC_H
  15
  16 #include <linux/usb/ch9.h>
  17 #include <linux/usb/gadget.h>
  18
  19 /* ### define USB registers here
  20  */
  21 #define USB_MAX_CTRL_PAYLOAD            64
  22 #define USB_DR_SYS_OFFSET               0x400
  23
  24  /* USB DR device mode registers (Little Endian) */
  25 struct usb_dr_device {
  26         /* Capability register */
  27         u8 res1[256];
  28         u16 caplength;          /* Capability Register Length */
  29         u16 hciversion;         /* Host Controller Interface Version */
  30         u32 hcsparams;          /* Host Controller Structural Parameters */
  31         u32 hccparams;          /* Host Controller Capability Parameters */
  32         u8 res2[20];
  33         u32 dciversion;         /* Device Controller Interface Version */
  34         u32 dccparams;          /* Device Controller Capability Parameters */
  35         u8 res3[24];
  36         /* Operation register */
  37         u32 usbcmd;             /* USB Command Register */
  38         u32 usbsts;             /* USB Status Register */
  39         u32 usbintr;            /* USB Interrupt Enable Register */
  40         u32 frindex;            /* Frame Index Register */
  41         u8 res4[4];
  42         u32 deviceaddr;         /* Device Address */
  43         u32 endpointlistaddr;   /* Endpoint List Address Register */
  44         u8 res5[4];
  45         u32 burstsize;          /* Master Interface Data Burst Size Register */
  46         u32 txttfilltuning;     /* Transmit FIFO Tuning Controls Register */
  47         u8 res6[24];
  48         u32 configflag;         /* Configure Flag Register */
  49         u32 portsc1;            /* Port 1 Status and Control Register */
  50         u8 res7[28];
  51         u32 otgsc;              /* On-The-Go Status and Control */
  52         u32 usbmode;            /* USB Mode Register */
  53         u32 endptsetupstat;     /* Endpoint Setup Status Register */
  54         u32 endpointprime;      /* Endpoint Initialization Register */
  55         u32 endptflush;         /* Endpoint Flush Register */
  56         u32 endptstatus;        /* Endpoint Status Register */
  57         u32 endptcomplete;      /* Endpoint Complete Register */
  58         u32 endptctrl[6];       /* Endpoint Control Registers */
  59 };
  60
  61  /* USB DR host mode registers (Little Endian) */
  62 struct usb_dr_host {
  63         /* Capability register */
  64         u8 res1[256];
  65         u16 caplength;          /* Capability Register Length */
  66         u16 hciversion;         /* Host Controller Interface Version */
  67         u32 hcsparams;          /* Host Controller Structural Parameters */
  68         u32 hccparams;          /* Host Controller Capability Parameters */
  69         u8 res2[20];
  70         u32 dciversion;         /* Device Controller Interface Version */
  71         u32 dccparams;          /* Device Controller Capability Parameters */
  72         u8 res3[24];
  73         /* Operation register */
  74         u32 usbcmd;             /* USB Command Register */
  75         u32 usbsts;             /* USB Status Register */
  76         u32 usbintr;            /* USB Interrupt Enable Register */
  77         u32 frindex;            /* Frame Index Register */
  78         u8 res4[4];
  79         u32 periodiclistbase;   /* Periodic Frame List Base Address Register */
  80         u32 asynclistaddr;      /* Current Asynchronous List Address Register */
  81         u8 res5[4];
  82         u32 burstsize;          /* Master Interface Data Burst Size Register */
  83         u32 txttfilltuning;     /* Transmit FIFO Tuning Controls Register */
  84         u8 res6[24];
  85         u32 configflag;         /* Configure Flag Register */
  86         u32 portsc1;            /* Port 1 Status and Control Register */
  87         u8 res7[28];
  88         u32 otgsc;              /* On-The-Go Status and Control */
  89         u32 usbmode;            /* USB Mode Register */
  90         u32 endptsetupstat;     /* Endpoint Setup Status Register */
  91         u32 endpointprime;      /* Endpoint Initialization Register */
  92         u32 endptflush;         /* Endpoint Flush Register */
  93         u32 endptstatus;        /* Endpoint Status Register */
  94         u32 endptcomplete;      /* Endpoint Complete Register */
  95         u32 endptctrl[6];       /* Endpoint Control Registers */
  96 };
  97
  98  /* non-EHCI USB system interface registers (Big Endian) */
  99 struct usb_sys_interface {
 100         u32 snoop1;
 101         u32 snoop2;
 102         u32 age_cnt_thresh;     /* Age Count Threshold Register */
 103         u32 pri_ctrl;           /* Priority Control Register */
 104         u32 si_ctrl;            /* System Interface Control Register */
 105         u8 res[236];
 106         u32 control;            /* General Purpose Control Register */
 107 };
 108
 109 /* ep0 transfer state */
 110 #define WAIT_FOR_SETUP          0
 111 #define DATA_STATE_XMIT         1
 112 #define DATA_STATE_NEED_ZLP     2
 113 #define WAIT_FOR_OUT_STATUS     3
 114 #define DATA_STATE_RECV         4
 115
 116 /* Device Controller Capability Parameter register */
 117 #define DCCPARAMS_DC                            0x00000080
 118 #define DCCPARAMS_DEN_MASK                      0x0000001f
 119
 120 /* Frame Index Register Bit Masks */
 121 #define USB_FRINDEX_MASKS                       0x3fff
 122 /* USB CMD  Register Bit Masks */
 123 #define  USB_CMD_RUN_STOP                     0x00000001
 124 #define  USB_CMD_CTRL_RESET                   0x00000002
 125 #define  USB_CMD_PERIODIC_SCHEDULE_EN         0x00000010
 126 #define  USB_CMD_ASYNC_SCHEDULE_EN            0x00000020
 127 #define  USB_CMD_INT_AA_DOORBELL              0x00000040
 128 #define  USB_CMD_ASP                          0x00000300
 129 #define  USB_CMD_ASYNC_SCH_PARK_EN            0x00000800
 130 #define  USB_CMD_SUTW                         0x00002000
 131 #define  USB_CMD_ATDTW                        0x00004000
 132 #define  USB_CMD_ITC                          0x00FF0000
 133
 134 /* bit 15,3,2 are frame list size */
 135 #define  USB_CMD_FRAME_SIZE_1024              0x00000000
 136 #define  USB_CMD_FRAME_SIZE_512               0x00000004
 137 #define  USB_CMD_FRAME_SIZE_256               0x00000008
 138 #define  USB_CMD_FRAME_SIZE_128               0x0000000C
 139 #define  USB_CMD_FRAME_SIZE_64                0x00008000
 140 #define  USB_CMD_FRAME_SIZE_32                0x00008004
 141 #define  USB_CMD_FRAME_SIZE_16                0x00008008
 142 #define  USB_CMD_FRAME_SIZE_8                 0x0000800C
 143
 144 /* bit 9-8 are async schedule park mode count */
 145 #define  USB_CMD_ASP_00                       0x00000000
 146 #define  USB_CMD_ASP_01                       0x00000100
 147 #define  USB_CMD_ASP_10                       0x00000200
 148 #define  USB_CMD_ASP_11                       0x00000300
 149 #define  USB_CMD_ASP_BIT_POS                  8
 150
 151 /* bit 23-16 are interrupt threshold control */
 152 #define  USB_CMD_ITC_NO_THRESHOLD             0x00000000
 153 #define  USB_CMD_ITC_1_MICRO_FRM              0x00010000
 154 #define  USB_CMD_ITC_2_MICRO_FRM              0x00020000
 155 #define  USB_CMD_ITC_4_MICRO_FRM              0x00040000
 156 #define  USB_CMD_ITC_8_MICRO_FRM              0x00080000
 157 #define  USB_CMD_ITC_16_MICRO_FRM             0x00100000
 158 #define  USB_CMD_ITC_32_MICRO_FRM             0x00200000
 159 #define  USB_CMD_ITC_64_MICRO_FRM             0x00400000
 160 #define  USB_CMD_ITC_BIT_POS                  16
 161
 162 /* USB STS Register Bit Masks */
 163 #define  USB_STS_INT                          0x00000001
 164 #define  USB_STS_ERR                          0x00000002
 165 #define  USB_STS_PORT_CHANGE                  0x00000004
 166 #define  USB_STS_FRM_LST_ROLL                 0x00000008
 167 #define  USB_STS_SYS_ERR                      0x00000010
 168 #define  USB_STS_IAA                          0x00000020
 169 #define  USB_STS_RESET                        0x00000040
 170 #define  USB_STS_SOF                          0x00000080
 171 #define  USB_STS_SUSPEND                      0x00000100
 172 #define  USB_STS_HC_HALTED                    0x00001000
 173 #define  USB_STS_RCL                          0x00002000
 174 #define  USB_STS_PERIODIC_SCHEDULE            0x00004000
 175 #define  USB_STS_ASYNC_SCHEDULE               0x00008000
 176
 177 /* USB INTR Register Bit Masks */
 178 #define  USB_INTR_INT_EN                      0x00000001
 179 #define  USB_INTR_ERR_INT_EN                  0x00000002
 180 #define  USB_INTR_PTC_DETECT_EN               0x00000004
 181 #define  USB_INTR_FRM_LST_ROLL_EN             0x00000008
 182 #define  USB_INTR_SYS_ERR_EN                  0x00000010
 183 #define  USB_INTR_ASYN_ADV_EN                 0x00000020
 184 #define  USB_INTR_RESET_EN                    0x00000040
 185 #define  USB_INTR_SOF_EN                      0x00000080
 186 #define  USB_INTR_DEVICE_SUSPEND              0x00000100
 187
 188 /* Device Address bit masks */
 189 #define  USB_DEVICE_ADDRESS_MASK              0xFE000000
 190 #define  USB_DEVICE_ADDRESS_BIT_POS           25
 191
 192 /* endpoint list address bit masks */
 193 #define USB_EP_LIST_ADDRESS_MASK              0xfffff800
 194
 195 /* PORTSCX  Register Bit Masks */
 196 #define  PORTSCX_CURRENT_CONNECT_STATUS       0x00000001
 197 #define  PORTSCX_CONNECT_STATUS_CHANGE        0x00000002
 198 #define  PORTSCX_PORT_ENABLE                  0x00000004
 199 #define  PORTSCX_PORT_EN_DIS_CHANGE           0x00000008
 200 #define  PORTSCX_OVER_CURRENT_ACT             0x00000010
 201 #define  PORTSCX_OVER_CURRENT_CHG             0x00000020
 202 #define  PORTSCX_PORT_FORCE_RESUME            0x00000040
 203 #define  PORTSCX_PORT_SUSPEND                 0x00000080
 204 #define  PORTSCX_PORT_RESET                   0x00000100
 205 #define  PORTSCX_LINE_STATUS_BITS             0x00000C00
 206 #define  PORTSCX_PORT_POWER                   0x00001000
 207 #define  PORTSCX_PORT_INDICTOR_CTRL           0x0000C000
 208 #define  PORTSCX_PORT_TEST_CTRL               0x000F0000
 209 #define  PORTSCX_WAKE_ON_CONNECT_EN           0x00100000
 210 #define  PORTSCX_WAKE_ON_CONNECT_DIS          0x00200000
 211 #define  PORTSCX_WAKE_ON_OVER_CURRENT         0x00400000
 212 #define  PORTSCX_PHY_LOW_POWER_SPD            0x00800000
 213 #define  PORTSCX_PORT_FORCE_FULL_SPEED        0x01000000
 214 #define  PORTSCX_PORT_SPEED_MASK              0x0C000000
 215 #define  PORTSCX_PORT_WIDTH                   0x10000000
 216 #define  PORTSCX_PHY_TYPE_SEL                 0xC0000000
 217
 218 /* bit 11-10 are line status */
 219 #define  PORTSCX_LINE_STATUS_SE0              0x00000000
 220 #define  PORTSCX_LINE_STATUS_JSTATE           0x00000400
 221 #define  PORTSCX_LINE_STATUS_KSTATE           0x00000800
 222 #define  PORTSCX_LINE_STATUS_UNDEF            0x00000C00
 223 #define  PORTSCX_LINE_STATUS_BIT_POS          10
 224
 225 /* bit 15-14 are port indicator control */
 226 #define  PORTSCX_PIC_OFF                      0x00000000
 227 #define  PORTSCX_PIC_AMBER                    0x00004000
 228 #define  PORTSCX_PIC_GREEN                    0x00008000
 229 #define  PORTSCX_PIC_UNDEF                    0x0000C000
 230 #define  PORTSCX_PIC_BIT_POS                  14
 231
 232 /* bit 19-16 are port test control */
 233 #define  PORTSCX_PTC_DISABLE                  0x00000000
 234 #define  PORTSCX_PTC_JSTATE                   0x00010000
 235 #define  PORTSCX_PTC_KSTATE                   0x00020000
 236 #define  PORTSCX_PTC_SEQNAK                   0x00030000
 237 #define  PORTSCX_PTC_PACKET                   0x00040000
 238 #define  PORTSCX_PTC_FORCE_EN                 0x00050000
 239 #define  PORTSCX_PTC_BIT_POS                  16
 240
 241 /* bit 27-26 are port speed */
 242 #define  PORTSCX_PORT_SPEED_FULL              0x00000000
 243 #define  PORTSCX_PORT_SPEED_LOW               0x04000000
 244 #define  PORTSCX_PORT_SPEED_HIGH              0x08000000
 245 #define  PORTSCX_PORT_SPEED_UNDEF             0x0C000000
 246 #define  PORTSCX_SPEED_BIT_POS                26
 247
 248 /* bit 28 is parallel transceiver width for UTMI interface */
 249 #define  PORTSCX_PTW                          0x10000000
 250 #define  PORTSCX_PTW_8BIT                     0x00000000
 251 #define  PORTSCX_PTW_16BIT                    0x10000000
 252
 253 /* bit 31-30 are port transceiver select */
 254 #define  PORTSCX_PTS_UTMI                     0x00000000
 255 #define  PORTSCX_PTS_ULPI                     0x80000000
 256 #define  PORTSCX_PTS_FSLS                     0xC0000000
 257 #define  PORTSCX_PTS_BIT_POS                  30
 258
 259 /* otgsc Register Bit Masks */
 260 #define  OTGSC_CTRL_VUSB_DISCHARGE            0x00000001
 261 #define  OTGSC_CTRL_VUSB_CHARGE               0x00000002
 262 #define  OTGSC_CTRL_OTG_TERM                  0x00000008
 263 #define  OTGSC_CTRL_DATA_PULSING              0x00000010
 264 #define  OTGSC_STS_USB_ID                     0x00000100
 265 #define  OTGSC_STS_A_VBUS_VALID               0x00000200
 266 #define  OTGSC_STS_A_SESSION_VALID            0x00000400
 267 #define  OTGSC_STS_B_SESSION_VALID            0x00000800
 268 #define  OTGSC_STS_B_SESSION_END              0x00001000
 269 #define  OTGSC_STS_1MS_TOGGLE                 0x00002000
 270 #define  OTGSC_STS_DATA_PULSING               0x00004000
 271 #define  OTGSC_INTSTS_USB_ID                  0x00010000
 272 #define  OTGSC_INTSTS_A_VBUS_VALID            0x00020000
 273 #define  OTGSC_INTSTS_A_SESSION_VALID         0x00040000
 274 #define  OTGSC_INTSTS_B_SESSION_VALID         0x00080000
 275 #define  OTGSC_INTSTS_B_SESSION_END           0x00100000
 276 #define  OTGSC_INTSTS_1MS                     0x00200000
 277 #define  OTGSC_INTSTS_DATA_PULSING            0x00400000
 278 #define  OTGSC_INTR_USB_ID                    0x01000000
 279 #define  OTGSC_INTR_A_VBUS_VALID              0x02000000
 280 #define  OTGSC_INTR_A_SESSION_VALID           0x04000000
 281 #define  OTGSC_INTR_B_SESSION_VALID           0x08000000
 282 #define  OTGSC_INTR_B_SESSION_END             0x10000000
 283 #define  OTGSC_INTR_1MS_TIMER                 0x20000000
 284 #define  OTGSC_INTR_DATA_PULSING              0x40000000
 285
 286 /* USB MODE Register Bit Masks */
 287 #define  USB_MODE_CTRL_MODE_IDLE              0x00000000
 288 #define  USB_MODE_CTRL_MODE_DEVICE            0x00000002
 289 #define  USB_MODE_CTRL_MODE_HOST              0x00000003
 290 #define  USB_MODE_CTRL_MODE_MASK              0x00000003
 291 #define  USB_MODE_CTRL_MODE_RSV               0x00000001
 292 #define  USB_MODE_ES                          0x00000004 /* Endian Select */
 293 #define  USB_MODE_SETUP_LOCK_OFF              0x00000008
 294 #define  USB_MODE_STREAM_DISABLE              0x00000010
 295 /* Endpoint Flush Register */
 296 #define EPFLUSH_TX_OFFSET                     0x00010000
 297 #define EPFLUSH_RX_OFFSET                     0x00000000
 298
 299 /* Endpoint Setup Status bit masks */
 300 #define  EP_SETUP_STATUS_MASK                 0x0000003F
 301 #define  EP_SETUP_STATUS_EP0                  0x00000001
 302
 303 /* ENDPOINTCTRLx  Register Bit Masks */
 304 #define  EPCTRL_TX_ENABLE                     0x00800000
 305 #define  EPCTRL_TX_DATA_TOGGLE_RST            0x00400000        /* Not EP0 */
 306 #define  EPCTRL_TX_DATA_TOGGLE_INH            0x00200000        /* Not EP0 */
 307 #define  EPCTRL_TX_TYPE                       0x000C0000
 308 #define  EPCTRL_TX_DATA_SOURCE                0x00020000        /* Not EP0 */
 309 #define  EPCTRL_TX_EP_STALL                   0x00010000
 310 #define  EPCTRL_RX_ENABLE                     0x00000080
 311 #define  EPCTRL_RX_DATA_TOGGLE_RST            0x00000040        /* Not EP0 */
 312 #define  EPCTRL_RX_DATA_TOGGLE_INH            0x00000020        /* Not EP0 */
 313 #define  EPCTRL_RX_TYPE                       0x0000000C
 314 #define  EPCTRL_RX_DATA_SINK                  0x00000002        /* Not EP0 */
 315 #define  EPCTRL_RX_EP_STALL                   0x00000001
 316
 317 /* bit 19-18 and 3-2 are endpoint type */
 318 #define  EPCTRL_EP_TYPE_CONTROL               0
 319 #define  EPCTRL_EP_TYPE_ISO                   1
 320 #define  EPCTRL_EP_TYPE_BULK                  2
 321 #define  EPCTRL_EP_TYPE_INTERRUPT             3
 322 #define  EPCTRL_TX_EP_TYPE_SHIFT              18
 323 #define  EPCTRL_RX_EP_TYPE_SHIFT              2
 324
 325 /* SNOOPn Register Bit Masks */
 326 #define  SNOOP_ADDRESS_MASK                   0xFFFFF000
 327 #define  SNOOP_SIZE_ZERO                      0x00      /* snooping disable */
 328 #define  SNOOP_SIZE_4KB                       0x0B      /* 4KB snoop size */
 329 #define  SNOOP_SIZE_8KB                       0x0C
 330 #define  SNOOP_SIZE_16KB                      0x0D
 331 #define  SNOOP_SIZE_32KB                      0x0E
 332 #define  SNOOP_SIZE_64KB                      0x0F
 333 #define  SNOOP_SIZE_128KB                     0x10
 334 #define  SNOOP_SIZE_256KB                     0x11
 335 #define  SNOOP_SIZE_512KB                     0x12
 336 #define  SNOOP_SIZE_1MB                       0x13
 337 #define  SNOOP_SIZE_2MB                       0x14
 338 #define  SNOOP_SIZE_4MB                       0x15
 339 #define  SNOOP_SIZE_8MB                       0x16
 340 #define  SNOOP_SIZE_16MB                      0x17
 341 #define  SNOOP_SIZE_32MB                      0x18
 342 #define  SNOOP_SIZE_64MB                      0x19
 343 #define  SNOOP_SIZE_128MB                     0x1A
 344 #define  SNOOP_SIZE_256MB                     0x1B
 345 #define  SNOOP_SIZE_512MB                     0x1C
 346 #define  SNOOP_SIZE_1GB                       0x1D
 347 #define  SNOOP_SIZE_2GB                       0x1E      /* 2GB snoop size */
 348
 349 /* pri_ctrl Register Bit Masks */
 350 #define  PRI_CTRL_PRI_LVL1                    0x0000000C
 351 #define  PRI_CTRL_PRI_LVL0                    0x00000003
 352
 353 /* si_ctrl Register Bit Masks */
 354 #define  SI_CTRL_ERR_DISABLE                  0x00000010
 355 #define  SI_CTRL_IDRC_DISABLE                 0x00000008
 356 #define  SI_CTRL_RD_SAFE_EN                   0x00000004
 357 #define  SI_CTRL_RD_PREFETCH_DISABLE          0x00000002
 358 #define  SI_CTRL_RD_PREFEFETCH_VAL            0x00000001
 359
 360 /* control Register Bit Masks */
 361 #define  USB_CTRL_IOENB                       0x00000004
 362 #define  USB_CTRL_ULPI_INT0EN                 0x00000001
 363 #define USB_CTRL_UTMI_PHY_EN                  0x00000200
 364 #define USB_CTRL_USB_EN                       0x00000004
 365 #define USB_CTRL_ULPI_PHY_CLK_SEL             0x00000400
 366
 367 /* Endpoint Queue Head data struct
 368  * Rem: all the variables of qh are LittleEndian Mode
 369  * and NEXT_POINTER_MASK should operate on a LittleEndian, Phy Addr
 370  */
 371 struct ep_queue_head {
 372         u32 max_pkt_length;     /* Mult(31-30) , Zlt(29) , Max Pkt len
 373                                    and IOS(15) */
 374         u32 curr_dtd_ptr;       /* Current dTD Pointer(31-5) */
 375         u32 next_dtd_ptr;       /* Next dTD Pointer(31-5), T(0) */
 376         u32 size_ioc_int_sts;   /* Total bytes (30-16), IOC (15),
 377                                    MultO(11-10), STS (7-0)  */
 378         u32 buff_ptr0;          /* Buffer pointer Page 0 (31-12) */
 379         u32 buff_ptr1;          /* Buffer pointer Page 1 (31-12) */
 380         u32 buff_ptr2;          /* Buffer pointer Page 2 (31-12) */
 381         u32 buff_ptr3;          /* Buffer pointer Page 3 (31-12) */
 382         u32 buff_ptr4;          /* Buffer pointer Page 4 (31-12) */
 383         u32 res1;
 384         u8 setup_buffer[8];     /* Setup data 8 bytes */
 385         u32 res2[4];
 386 };
 387
 388 /* Endpoint Queue Head Bit Masks */
 389 #define  EP_QUEUE_HEAD_MULT_POS               30
 390 #define  EP_QUEUE_HEAD_ZLT_SEL                0x20000000
 391 #define  EP_QUEUE_HEAD_MAX_PKT_LEN_POS        16
 392 #define  EP_QUEUE_HEAD_MAX_PKT_LEN(ep_info)   (((ep_info)>>16)&0x07ff)
 393 #define  EP_QUEUE_HEAD_IOS                    0x00008000
 394 #define  EP_QUEUE_HEAD_NEXT_TERMINATE         0x00000001
 395 #define  EP_QUEUE_HEAD_IOC                    0x00008000
 396 #define  EP_QUEUE_HEAD_MULTO                  0x00000C00
 397 #define  EP_QUEUE_HEAD_STATUS_HALT            0x00000040
 398 #define  EP_QUEUE_HEAD_STATUS_ACTIVE          0x00000080
 399 #define  EP_QUEUE_CURRENT_OFFSET_MASK         0x00000FFF
 400 #define  EP_QUEUE_HEAD_NEXT_POINTER_MASK      0xFFFFFFE0
 401 #define  EP_QUEUE_FRINDEX_MASK                0x000007FF
 402 #define  EP_MAX_LENGTH_TRANSFER               0x4000
 403
 404 /* Endpoint Transfer Descriptor data struct */
 405 /* Rem: all the variables of td are LittleEndian Mode */
 406 struct ep_td_struct {
 407         u32 next_td_ptr;        /* Next TD pointer(31-5), T(0) set
 408                                    indicate invalid */
 409         u32 size_ioc_sts;       /* Total bytes (30-16), IOC (15),
 410                                    MultO(11-10), STS (7-0)  */
 411         u32 buff_ptr0;          /* Buffer pointer Page 0 */
 412         u32 buff_ptr1;          /* Buffer pointer Page 1 */
 413         u32 buff_ptr2;          /* Buffer pointer Page 2 */
 414         u32 buff_ptr3;          /* Buffer pointer Page 3 */
 415         u32 buff_ptr4;          /* Buffer pointer Page 4 */
 416         u32 res;
 417         /* 32 bytes */
 418         dma_addr_t td_dma;      /* dma address for this td */
 419         /* virtual address of next td specified in next_td_ptr */
 420         struct ep_td_struct *next_td_virt;
 421 };
 422
 423 /* Endpoint Transfer Descriptor bit Masks */
 424 #define  DTD_NEXT_TERMINATE                   0x00000001
 425 #define  DTD_IOC                              0x00008000
 426 #define  DTD_STATUS_ACTIVE                    0x00000080
 427 #define  DTD_STATUS_HALTED                    0x00000040
 428 #define  DTD_STATUS_DATA_BUFF_ERR             0x00000020
 429 #define  DTD_STATUS_TRANSACTION_ERR           0x00000008
 430 #define  DTD_RESERVED_FIELDS                  0x80007300
 431 #define  DTD_ADDR_MASK                        0xFFFFFFE0
 432 #define  DTD_PACKET_SIZE                      0x7FFF0000
 433 #define  DTD_LENGTH_BIT_POS                   16
 434 #define  DTD_ERROR_MASK                       (DTD_STATUS_HALTED | \
 435                                                DTD_STATUS_DATA_BUFF_ERR | \
 436                                                DTD_STATUS_TRANSACTION_ERR)
 437 /* Alignment requirements; must be a power of two */
 438 #define DTD_ALIGNMENT                           0x20
 439 #define QH_ALIGNMENT                            2048
 440
 441 /* Controller dma boundary */
 442 #define UDC_DMA_BOUNDARY                        0x1000
 443
 444 /*-------------------------------------------------------------------------*/
 445
 446 /* ### driver private data
 447  */
 448 struct fsl_req {
 449         struct usb_request req;
 450         struct list_head queue;
 451         /* ep_queue() func will add
 452            a request->queue into a udc_ep->queue 'd tail */
 453         struct fsl_ep *ep;
 454         unsigned mapped:1;
 455
 456         struct ep_td_struct *head, *tail;       /* For dTD List
 457                                                    cpu endian Virtual addr */
 458         unsigned int dtd_count;
 459 };
 460
 461 #define REQ_UNCOMPLETE                  1
 462
 463 struct fsl_ep {
 464         struct usb_ep ep;
 465         struct list_head queue;
 466         struct fsl_udc *udc;
 467         struct ep_queue_head *qh;
 468         struct usb_gadget *gadget;
 469
 470         char name[14];
 471         unsigned stopped:1;
 472 };
 473
 474 #define EP_DIR_IN       1
 475 #define EP_DIR_OUT      0
 476
 477 struct fsl_udc {
 478         struct usb_gadget gadget;
 479         struct usb_gadget_driver *driver;
 480         struct fsl_usb2_platform_data *pdata;
 481         struct completion *done;        /* to make sure release() is done */
 482         struct fsl_ep *eps;
 483         unsigned int max_ep;
 484         unsigned int irq;
 485
 486         struct usb_ctrlrequest local_setup_buff;
 487         spinlock_t lock;
 488         struct usb_phy *transceiver;
 489         unsigned softconnect:1;
 490         unsigned vbus_active:1;
 491         unsigned stopped:1;
 492         unsigned remote_wakeup:1;
 493         unsigned already_stopped:1;
 494         unsigned big_endian_desc:1;
 495
 496         struct ep_queue_head *ep_qh;    /* Endpoints Queue-Head */
 497         struct fsl_req *status_req;     /* ep0 status request */
 498         struct dma_pool *td_pool;       /* dma pool for DTD */
 499         enum fsl_usb2_phy_modes phy_mode;
 500
 501         size_t ep_qh_size;              /* size after alignment adjustment*/
 502         dma_addr_t ep_qh_dma;           /* dma address of QH */
 503
 504         u32 max_pipes;          /* Device max pipes */
 505         u32 bus_reset;          /* Device is bus resetting */
 506         u32 resume_state;       /* USB state to resume */
 507         u32 usb_state;          /* USB current state */
 508         u32 ep0_state;          /* Endpoint zero state */
 509         u32 ep0_dir;            /* Endpoint zero direction: can be
 510                                    USB_DIR_IN or USB_DIR_OUT */
 511         u8 device_address;      /* Device USB address */
 512 };
 513
 514 /*-------------------------------------------------------------------------*/
 515
 516 #ifdef DEBUG
 517 #define DBG(fmt, args...)       printk(KERN_DEBUG "[%s]  " fmt "\n", \
 518                                 __func__, ## args)
 519 #else
 520 #define DBG(fmt, args...)       do{}while(0)
 521 #endif
 522
 523 #if 0
 524 static void dump_msg(const char *label, const u8 * buf, unsigned int length)
 525 {
 526         unsigned int start, num, i;
 527         char line[52], *p;
 528
 529         if (length >= 512)
 530                 return;
 531         DBG("%s, length %u:\n", label, length);
 532         start = 0;
 533         while (length > 0) {
 534                 num = min(length, 16u);
 535                 p = line;
 536                 for (i = 0; i < num; ++i) {
 537                         if (i == 8)
 538                                 *p++ = ' ';
 539                         sprintf(p, " %02x", buf[i]);
 540                         p += 3;
 541                 }
 542                 *p = 0;
 543                 printk(KERN_DEBUG "%6x: %s\n", start, line);
 544                 buf += num;
 545                 start += num;
 546                 length -= num;
 547         }
 548 }
 549 #endif
 550
 551 #ifdef VERBOSE
 552 #define VDBG            DBG
 553 #else
 554 #define VDBG(stuff...)  do{}while(0)
 555 #endif
 556
 557 #define ERR(stuff...)           pr_err("udc: " stuff)
 558 #define WARNING(stuff...)       pr_warn("udc: " stuff)
 559 #define INFO(stuff...)          pr_info("udc: " stuff)
 560
 561 /*-------------------------------------------------------------------------*/
 562
 563 /* ### Add board specific defines here
 564  */
 565
 566 /*
 567  * ### pipe direction macro from device view
 568  */
 569 #define USB_RECV        0       /* OUT EP */
 570 #define USB_SEND        1       /* IN EP */
 571
 572 /*
 573  * ### internal used help routines.
 574  */
 575 #define ep_index(EP)            ((EP)->ep.desc->bEndpointAddress&0xF)
 576 #define ep_maxpacket(EP)        ((EP)->ep.maxpacket)
 577 #define ep_is_in(EP)    ( (ep_index(EP) == 0) ? (EP->udc->ep0_dir == \
 578                         USB_DIR_IN) : ((EP)->ep.desc->bEndpointAddress \
 579                         & USB_DIR_IN)==USB_DIR_IN)
 580 #define get_ep_by_pipe(udc, pipe)       ((pipe == 1)? &udc->eps[0]: \
 581                                         &udc->eps[pipe])
 582 #define get_pipe_by_windex(windex)      ((windex & USB_ENDPOINT_NUMBER_MASK) \
 583                                         * 2 + ((windex & USB_DIR_IN) ? 1 : 0))
 584 #define get_pipe_by_ep(EP)      (ep_index(EP) * 2 + ep_is_in(EP))
 585
 586 static inline struct ep_queue_head *get_qh_by_ep(struct fsl_ep *ep)
 587 {
 588         /* we only have one ep0 structure but two queue heads */
 589         if (ep_index(ep) != 0)
 590                 return ep->qh;
 591         else
 592                 return &ep->udc->ep_qh[(ep->udc->ep0_dir ==
 593                                 USB_DIR_IN) ? 1 : 0];
 594 }
 595
 596 struct platform_device;
 597 #ifdef CONFIG_ARCH_MXC
 598 int fsl_udc_clk_init(struct platform_device *pdev);
 599 int fsl_udc_clk_finalize(struct platform_device *pdev);
 600 void fsl_udc_clk_release(void);
 601 #else
 602 static inline int fsl_udc_clk_init(struct platform_device *pdev)
 603 {
 604         return 0;
 605 }
 606 static inline int fsl_udc_clk_finalize(struct platform_device *pdev)
 607 {
 608         return 0;
 609 }
 610 static inline void fsl_udc_clk_release(void)
 611 {
 612 }
 613 #endif
 614
 615 #endif