kernel/include/linux/usb/usb338x.h

   1 /*
   2  * USB 338x super/high/full speed USB device controller.
   3  * Unlike many such controllers, this one talks PCI.
   4  *
   5  * Copyright (C) 2002 NetChip Technology, Inc. (http://www.netchip.com)
   6  * Copyright (C) 2003 David Brownell
   7  * Copyright (C) 2014 Ricardo Ribalda - Qtechnology/AS
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU General Public License as published by
  11  * the Free Software Foundation; either version 2 of the License, or
  12  * (at your option) any later version.
  13  *
  14  * This program is distributed in the hope that it will be useful,
  15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  * GNU General Public License for more details.
  18  *
  19  */
  20
  21 #ifndef __LINUX_USB_USB338X_H
  22 #define __LINUX_USB_USB338X_H
  23
  24 #include <linux/usb/net2280.h>
  25
  26 /*
  27  * Extra defined bits for net2280 registers
  28  */
  29 #define     SCRATCH                           0x0b
  30
  31 #define     DEFECT7374_FSM_FIELD                28
  32 #define     SUPER_SPEED                          8
  33 #define     DMA_REQUEST_OUTSTANDING              5
  34 #define     DMA_PAUSE_DONE_INTERRUPT            26
  35 #define     SET_ISOCHRONOUS_DELAY               24
  36 #define     SET_SEL                             22
  37 #define     SUPER_SPEED_MODE                     8
  38
  39 /*ep_cfg*/
  40 #define     MAX_BURST_SIZE                      24
  41 #define     EP_FIFO_BYTE_COUNT                  16
  42 #define     IN_ENDPOINT_ENABLE                  14
  43 #define     IN_ENDPOINT_TYPE                    12
  44 #define     OUT_ENDPOINT_ENABLE                 10
  45 #define     OUT_ENDPOINT_TYPE                    8
  46
  47 struct usb338x_usb_ext_regs {
  48         u32     usbclass;
  49 #define     DEVICE_PROTOCOL                     16
  50 #define     DEVICE_SUB_CLASS                     8
  51 #define     DEVICE_CLASS                         0
  52         u32     ss_sel;
  53 #define     U2_SYSTEM_EXIT_LATENCY               8
  54 #define     U1_SYSTEM_EXIT_LATENCY               0
  55         u32     ss_del;
  56 #define     U2_DEVICE_EXIT_LATENCY               8
  57 #define     U1_DEVICE_EXIT_LATENCY               0
  58         u32     usb2lpm;
  59 #define     USB_L1_LPM_HIRD                      2
  60 #define     USB_L1_LPM_REMOTE_WAKE               1
  61 #define     USB_L1_LPM_SUPPORT                   0
  62         u32     usb3belt;
  63 #define     BELT_MULTIPLIER                     10
  64 #define     BEST_EFFORT_LATENCY_TOLERANCE        0
  65         u32     usbctl2;
  66 #define     LTM_ENABLE                           7
  67 #define     U2_ENABLE                            6
  68 #define     U1_ENABLE                            5
  69 #define     FUNCTION_SUSPEND                     4
  70 #define     USB3_CORE_ENABLE                     3
  71 #define     USB2_CORE_ENABLE                     2
  72 #define     SERIAL_NUMBER_STRING_ENABLE          0
  73         u32     in_timeout;
  74 #define     GPEP3_TIMEOUT                       19
  75 #define     GPEP2_TIMEOUT                       18
  76 #define     GPEP1_TIMEOUT                       17
  77 #define     GPEP0_TIMEOUT                       16
  78 #define     GPEP3_TIMEOUT_VALUE                 13
  79 #define     GPEP3_TIMEOUT_ENABLE                12
  80 #define     GPEP2_TIMEOUT_VALUE                  9
  81 #define     GPEP2_TIMEOUT_ENABLE                 8
  82 #define     GPEP1_TIMEOUT_VALUE                  5
  83 #define     GPEP1_TIMEOUT_ENABLE                 4
  84 #define     GPEP0_TIMEOUT_VALUE                  1
  85 #define     GPEP0_TIMEOUT_ENABLE                 0
  86         u32     isodelay;
  87 #define     ISOCHRONOUS_DELAY                    0
  88 } __packed;
  89
  90 struct usb338x_fifo_regs {
  91         /* offset 0x0500, 0x0520, 0x0540, 0x0560, 0x0580 */
  92         u32     ep_fifo_size_base;
  93 #define     IN_FIFO_BASE_ADDRESS                                22
  94 #define     IN_FIFO_SIZE                                        16
  95 #define     OUT_FIFO_BASE_ADDRESS                               6
  96 #define     OUT_FIFO_SIZE                                       0
  97         u32     ep_fifo_out_wrptr;
  98         u32     ep_fifo_out_rdptr;
  99         u32     ep_fifo_in_wrptr;
 100         u32     ep_fifo_in_rdptr;
 101         u32     unused[3];
 102 } __packed;
 103
 104
 105 /* Link layer */
 106 struct usb338x_ll_regs {
 107         /* offset 0x700 */
 108         u32   ll_ltssm_ctrl1;
 109         u32   ll_ltssm_ctrl2;
 110         u32   ll_ltssm_ctrl3;
 111         u32   unused[2];
 112         u32   ll_general_ctrl0;
 113         u32   ll_general_ctrl1;
 114 #define     PM_U3_AUTO_EXIT                                     29
 115 #define     PM_U2_AUTO_EXIT                                     28
 116 #define     PM_U1_AUTO_EXIT                                     27
 117 #define     PM_FORCE_U2_ENTRY                                   26
 118 #define     PM_FORCE_U1_ENTRY                                   25
 119 #define     PM_LGO_COLLISION_SEND_LAU                           24
 120 #define     PM_DIR_LINK_REJECT                                  23
 121 #define     PM_FORCE_LINK_ACCEPT                                22
 122 #define     PM_DIR_ENTRY_U3                                     20
 123 #define     PM_DIR_ENTRY_U2                                     19
 124 #define     PM_DIR_ENTRY_U1                                     18
 125 #define     PM_U2_ENABLE                                        17
 126 #define     PM_U1_ENABLE                                        16
 127 #define     SKP_THRESHOLD_ADJUST_FMW                            8
 128 #define     RESEND_DPP_ON_LRTY_FMW                              7
 129 #define     DL_BIT_VALUE_FMW                                    6
 130 #define     FORCE_DL_BIT                                        5
 131         u32   ll_general_ctrl2;
 132 #define     SELECT_INVERT_LANE_POLARITY                         7
 133 #define     FORCE_INVERT_LANE_POLARITY                          6
 134         u32   ll_general_ctrl3;
 135         u32   ll_general_ctrl4;
 136         u32   ll_error_gen;
 137 } __packed;
 138
 139 struct usb338x_ll_lfps_regs {
 140         /* offset 0x748 */
 141         u32   ll_lfps_5;
 142 #define     TIMER_LFPS_6US                                      16
 143         u32   ll_lfps_6;
 144 #define     TIMER_LFPS_80US                                     0
 145 } __packed;
 146
 147 struct usb338x_ll_tsn_regs {
 148         /* offset 0x77C */
 149         u32   ll_tsn_counters_2;
 150 #define     HOT_TX_NORESET_TS2                                  24
 151         u32   ll_tsn_counters_3;
 152 #define     HOT_RX_RESET_TS2                                    0
 153 } __packed;
 154
 155 struct usb338x_ll_chi_regs {
 156         /* offset 0x79C */
 157         u32   ll_tsn_chicken_bit;
 158 #define     RECOVERY_IDLE_TO_RECOVER_FMW                        3
 159 } __packed;
 160
 161 /* protocol layer */
 162 struct usb338x_pl_regs {
 163         /* offset 0x800 */
 164         u32   pl_reg_1;
 165         u32   pl_reg_2;
 166         u32   pl_reg_3;
 167         u32   pl_reg_4;
 168         u32   pl_ep_ctrl;
 169         /* Protocol Layer Endpoint Control*/
 170 #define     PL_EP_CTRL                                  0x810
 171 #define     ENDPOINT_SELECT                             0
 172         /* [4:0] */
 173 #define     EP_INITIALIZED                              16
 174 #define     SEQUENCE_NUMBER_RESET                       17
 175 #define     CLEAR_ACK_ERROR_CODE                        20
 176         u32   pl_reg_6;
 177         u32   pl_reg_7;
 178         u32   pl_reg_8;
 179         u32   pl_ep_status_1;
 180         /* Protocol Layer Endpoint Status 1*/
 181 #define     PL_EP_STATUS_1                              0x820
 182 #define     STATE                                       16
 183 #define     ACK_GOOD_NORMAL                             0x11
 184 #define     ACK_GOOD_MORE_ACKS_TO_COME                  0x16
 185         u32   pl_ep_status_2;
 186         u32   pl_ep_status_3;
 187         /* Protocol Layer Endpoint Status 3*/
 188 #define     PL_EP_STATUS_3                              0x828
 189 #define     SEQUENCE_NUMBER                             0
 190         u32   pl_ep_status_4;
 191         /* Protocol Layer Endpoint Status 4*/
 192 #define     PL_EP_STATUS_4                              0x82c
 193         u32   pl_ep_cfg_4;
 194         /* Protocol Layer Endpoint Configuration 4*/
 195 #define     PL_EP_CFG_4                                 0x830
 196 #define     NON_CTRL_IN_TOLERATE_BAD_DIR                6
 197 } __packed;
 198
 199 #endif /* __LINUX_USB_USB338X_H */