payloads/libpayload/drivers/udc/dwc2_priv.h

   1 /*
   2  *
   3  * Copyright (C) 2015 Rockchip Electronics
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; version 2 of the License.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  */
  14
  15 #ifndef __DWC2_PRIV_H__
  16 #define __DWC2_PRIV_H__
  17 #include <usb/dwc2_registers.h>
  18
  19 #define EP_MAXLEN       (64 * 1024)
  20 #define EP0_MAXLEN      64
  21
  22 #define RX_FIFO_SIZE                    0x210
  23 #define DTX_FIFO_SIZE_0_OFFSET          RX_FIFO_SIZE
  24 #define DTX_FIFO_SIZE_0                 0x10
  25 #define DTX_FIFO_SIZE_1_OFFSET          (DTX_FIFO_SIZE_0_OFFSET +\
  26                                          DTX_FIFO_SIZE_0)
  27 #define DTX_FIFO_SIZE_1                 0x100
  28 #define DTX_FIFO_SIZE_2_OFFSET          (DTX_FIFO_SIZE_1_OFFSET +\
  29                                          DTX_FIFO_SIZE_1)
  30 #define DTX_FIFO_SIZE_2                 0x10
  31
  32 struct job {
  33         SIMPLEQ_ENTRY(job) queue; // linkage
  34         void *data;
  35         size_t length;
  36         size_t xfered_length;
  37         size_t xfer_length;
  38         int zlp; // append zero length packet?
  39         int autofree; // free after processing?
  40 };
  41 SIMPLEQ_HEAD(job_queue, job);
  42
  43 typedef struct dwc2_ep {
  44         dwc2_ep_reg_t *ep_regs;
  45         struct job_queue job_queue;
  46         unsigned txfifo:5;
  47         unsigned busy:1;
  48         unsigned ep_num:8;
  49 } dwc2_ep_t;
  50
  51 typedef struct dwc2_pdata {
  52         dwc2_reg_t *regs;
  53         dwc2_ep_t eps[MAX_EPS_CHANNELS][2];
  54         uint32_t fifo_map;
  55         void *setup_buf;
  56 } dwc2_pdata_t;
  57
  58 #define DWC2_PDATA(ctrl) ((dwc2_pdata_t *)((ctrl)->pdata))
  59
  60 #endif