LXR uboot/include/usb/mv

   1/*
   2 * Copyright 2011, Marvell Semiconductor Inc.
   3 * Lei Wen <leiwen@marvell.com>
   4 *
   5 * This program is free software; you can redistribute it and/or
   6 * modify it under the terms of the GNU General Public License as
   7 * published by the Free Software Foundation; either version 2 of
   8 * the License, or (at your option) any later version.
   9 *
  10 * This program is distributed in the hope that it will be useful,
  11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 * GNU General Public License for more details.
  14 *
  15 * You should have received a copy of the GNU General Public License
  16 * along with this program; if not, write to the Free Software
  17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
  18 * MA 02111-1307 USA
  19 */
  20
  21
  22#ifndef __MV_UDC_H__
  23#define __MV_UDC_H__
  24
  25#include <asm/byteorder.h>
  26#include <asm/errno.h>
  27#include <linux/usb/ch9.h>
  28#include <linux/usb/gadget.h>
  29
  30/* Endpoint 0 states */
  31#define EP0_IDLE                0
  32#define EP0_IN_DATA             1
  33#define EP0_OUT_DATA            2
  34#define EP0_XFER_COMPLETE       3
  35
  36
  37/* Endpoint parameters */
  38#define MAX_ENDPOINTS           4
  39#define EP_MAX_PACKET_SIZE      0x200
  40
  41#define EP0_MAX_PACKET_SIZE     64
  42#define UDC_OUT_ENDPOINT        0x02
  43#define UDC_OUT_PACKET_SIZE     EP_MAX_PACKET_SIZE
  44#define UDC_IN_ENDPOINT         0x01
  45#define UDC_IN_PACKET_SIZE      EP_MAX_PACKET_SIZE
  46#define UDC_INT_ENDPOINT        0x05
  47#define UDC_INT_PACKET_SIZE     EP_MAX_PACKET_SIZE
  48#define UDC_BULK_PACKET_SIZE    EP_MAX_PACKET_SIZE
  49
  50#define        NUM_ENDPOINTS   6
  51#define         REQ_COUNT       12
  52struct mv_ep {
  53        struct usb_ep ep;
  54        struct usb_request req;
  55        struct list_head queue;
  56        const struct usb_endpoint_descriptor *desc;
  57};
  58
  59struct mv_udc {
  60        u32 pad0[80];
  61#define MICRO_8FRAME    0x8
  62#define USBCMD_ITC(x)   (((x > 0xff) ? 0xff : x) << 16)
  63#define USBCMD_FS2      (1 << 15)
  64#define USBCMD_RST      (1 << 1)
  65#define USBCMD_RUN      (1)
  66        u32 usbcmd;             /* 0x140 */
  67#define STS_SLI         (1 << 8)
  68#define STS_URI         (1 << 6)
  69#define STS_PCI         (1 << 2)
  70#define STS_UEI         (1 << 1)
  71#define STS_UI          (1 << 0)
  72        u32 usbsts;             /* 0x144 */
  73        u32 pad1[3];
  74        u32 devaddr;            /* 0x154 */
  75        u32 epinitaddr;         /* 0x158 */
  76        u32 pad2[10];
  77#define PTS_ENABLE      2
  78#define PTS(x)          ((x & 0x3) << 30)
  79#define PFSC            (1 << 24)
  80        u32 portsc;             /* 0x184 */
  81        u32 pad3[8];
  82#define USBMODE_DEVICE  2
  83        u32 usbmode;            /* 0x1a8 */
  84        u32 epstat;             /* 0x1ac */
  85#define EPT_TX(x)       (1 << ((x & 0xffff) + 16))
  86#define EPT_RX(x)       (1 << (x & 0xffff))
  87        u32 epprime;            /* 0x1b0 */
  88        u32 epflush;            /* 0x1b4 */
  89        u32 pad4;
  90        u32 epcomp;             /* 0x1bc */
  91#define CTRL_TXE              (1 << 23)
  92#define CTRL_TXR              (1 << 22)
  93#define CTRL_RXE              (1 << 7)
  94#define CTRL_RXR              (1 << 6)
  95#define CTRL_TXT_BULK         (2 << 18)
  96#define CTRL_RXT_BULK         (2 << 2)
  97        u32 epctrl[16];         /* 0x1c0 */
  98};
  99
 100struct mv_drv {
 101        struct usb_gadget               gadget;
 102        struct usb_gadget_driver                *driver;
 103        struct mv_udc                   *udc;
 104};
 105
 106struct ept_queue_head {
 107        unsigned config;
 108        unsigned current; /* read-only */
 109
 110        unsigned next;
 111        unsigned info;
 112        unsigned page0;
 113        unsigned page1;
 114        unsigned page2;
 115        unsigned page3;
 116        unsigned page4;
 117        unsigned reserved_0;
 118
 119        unsigned char setup_data[8];
 120
 121        unsigned reserved_1;
 122        unsigned reserved_2;
 123        unsigned reserved_3;
 124        unsigned reserved_4;
 125};
 126
 127#define CONFIG_MAX_PKT(n)     ((n) << 16)
 128#define CONFIG_ZLT            (1 << 29)    /* stop on zero-len xfer */
 129#define CONFIG_IOS            (1 << 15)    /* IRQ on setup */
 130
 131struct ept_queue_item {
 132        unsigned next;
 133        unsigned info;
 134        unsigned page0;
 135        unsigned page1;
 136        unsigned page2;
 137        unsigned page3;
 138        unsigned page4;
 139        unsigned reserved;
 140};
 141
 142#define TERMINATE 1
 143#define INFO_BYTES(n)         ((n) << 16)
 144#define INFO_IOC              (1 << 15)
 145#define INFO_ACTIVE           (1 << 7)
 146#define INFO_HALTED           (1 << 6)
 147#define INFO_BUFFER_ERROR     (1 << 5)
 148#define INFO_TX_ERROR         (1 << 3)
 149
 150extern int usb_lowlevel_init(int index, void **controller);
 151#endif /* __MV_UDC_H__ */
 152