drivers/usb/musb/musb_hcd.h

   1 /*
   2  * Mentor USB OTG Core host controller driver.
   3  *
   4  * Copyright (c) 2008 Texas Instruments
   5  *
   6  * SPDX-License-Identifier:     GPL-2.0+
   7  *
   8  * Author: Thomas Abraham t-abraham@ti.com, Texas Instruments
   9  */
  10
  11 #ifndef __MUSB_HCD_H__
  12 #define __MUSB_HCD_H__
  13
  14 #include "musb_core.h"
  15 #ifdef CONFIG_USB_KEYBOARD
  16 #include <stdio_dev.h>
  17 extern unsigned char new[];
  18 #endif
  19
  20 #ifndef CONFIG_MUSB_TIMEOUT
  21 # define CONFIG_MUSB_TIMEOUT 100000
  22 #endif
  23
  24 /* This defines the endpoint number used for control transfers */
  25 #define MUSB_CONTROL_EP 0
  26
  27 /* This defines the endpoint number used for bulk transfer */
  28 #ifndef MUSB_BULK_EP
  29 # define MUSB_BULK_EP 1
  30 #endif
  31
  32 /* This defines the endpoint number used for interrupt transfer */
  33 #define MUSB_INTR_EP 2
  34
  35 /* Determine the operating speed of MUSB core */
  36 #define musb_ishighspeed() \
  37         ((readb(&musbr->power) & MUSB_POWER_HSMODE) \
  38                 >> MUSB_POWER_HSMODE_SHIFT)
  39
  40 #define min_t(type, x, y)       \
  41         ({ type __x = (x); type __y = (y); __x < __y ? __x : __y; })
  42
  43 /* USB HUB CONSTANTS (not OHCI-specific; see hub.h) */
  44
  45 /* destination of request */
  46 #define RH_INTERFACE               0x01
  47 #define RH_ENDPOINT                0x02
  48 #define RH_OTHER                   0x03
  49
  50 #define RH_CLASS                   0x20
  51 #define RH_VENDOR                  0x40
  52
  53 /* Requests: bRequest << 8 | bmRequestType */
  54 #define RH_GET_STATUS           0x0080
  55 #define RH_CLEAR_FEATURE        0x0100
  56 #define RH_SET_FEATURE          0x0300
  57 #define RH_SET_ADDRESS          0x0500
  58 #define RH_GET_DESCRIPTOR       0x0680
  59 #define RH_SET_DESCRIPTOR       0x0700
  60 #define RH_GET_CONFIGURATION    0x0880
  61 #define RH_SET_CONFIGURATION    0x0900
  62 #define RH_GET_STATE            0x0280
  63 #define RH_GET_INTERFACE        0x0A80
  64 #define RH_SET_INTERFACE        0x0B00
  65 #define RH_SYNC_FRAME           0x0C80
  66 /* Our Vendor Specific Request */
  67 #define RH_SET_EP               0x2000
  68
  69 /* Hub port features */
  70 #define RH_PORT_CONNECTION         0x00
  71 #define RH_PORT_ENABLE             0x01
  72 #define RH_PORT_SUSPEND            0x02
  73 #define RH_PORT_OVER_CURRENT       0x03
  74 #define RH_PORT_RESET              0x04
  75 #define RH_PORT_POWER              0x08
  76 #define RH_PORT_LOW_SPEED          0x09
  77
  78 #define RH_C_PORT_CONNECTION       0x10
  79 #define RH_C_PORT_ENABLE           0x11
  80 #define RH_C_PORT_SUSPEND          0x12
  81 #define RH_C_PORT_OVER_CURRENT     0x13
  82 #define RH_C_PORT_RESET            0x14
  83
  84 /* Hub features */
  85 #define RH_C_HUB_LOCAL_POWER       0x00
  86 #define RH_C_HUB_OVER_CURRENT      0x01
  87
  88 #define RH_DEVICE_REMOTE_WAKEUP    0x00
  89 #define RH_ENDPOINT_STALL          0x01
  90
  91 #define RH_ACK                     0x01
  92 #define RH_REQ_ERR                 -1
  93 #define RH_NACK                    0x00
  94
  95 /* extern functions */
  96 extern int musb_platform_init(void);
  97 extern void musb_platform_deinit(void);
  98
  99 #endif  /* __MUSB_HCD_H__ */