1 // SPDX-License-Identifier: GPL-2.0+ 2 /* 3 * USB 338x super/high/full speed USB device controller. 4 * Unlike many such controllers, this one talks PCI. 5 * 6 * Copyright (C) 2002 NetChip Technology, Inc. (http://www.netchip.com) 7 * Copyright (C) 2003 David Brownell 8 * Copyright (C) 2014 Ricardo Ribalda - Qtechnology/AS 9 * 10 * This program is free software; you can redistribute it and/or modify 11 * it under the terms of the GNU General Public License as published by 12 * the Free Software Foundation; either version 2 of the License, or 13 * (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 */ 21 22 #ifndef __LINUX_USB_USB338X_H 23 #define __LINUX_USB_USB338X_H 24 25 #include <linux/usb/net2280.h> 26 27 /* 28 * Extra defined bits for net2280 registers 29 */ 30 #define SCRATCH 0x0b 31 32 #define DEFECT7374_FSM_FIELD 28 33 #define SUPER_SPEED 8 34 #define DMA_REQUEST_OUTSTANDING 5 35 #define DMA_PAUSE_DONE_INTERRUPT 26 36 #define SET_ISOCHRONOUS_DELAY 24 37 #define SET_SEL 22 38 #define SUPER_SPEED_MODE 8 39 40 /*ep_cfg*/ 41 #define MAX_BURST_SIZE 24 42 #define EP_FIFO_BYTE_COUNT 16 43 #define IN_ENDPOINT_ENABLE 14 44 #define IN_ENDPOINT_TYPE 12 45 #define OUT_ENDPOINT_ENABLE 10 46 #define OUT_ENDPOINT_TYPE 8 47 #define USB3380_EP_CFG_MASK_IN ((0x3 << IN_ENDPOINT_TYPE) | \ 48 BIT(IN_ENDPOINT_ENABLE)) 49 #define USB3380_EP_CFG_MASK_OUT ((0x3 << OUT_ENDPOINT_TYPE) | \ 50 BIT(OUT_ENDPOINT_ENABLE)) 51 52 struct usb338x_usb_ext_regs { 53 u32 usbclass; 54 #define DEVICE_PROTOCOL 16 55 #define DEVICE_SUB_CLASS 8 56 #define DEVICE_CLASS 0 57 u32 ss_sel; 58 #define U2_SYSTEM_EXIT_LATENCY 8 59 #define U1_SYSTEM_EXIT_LATENCY 0 60 u32 ss_del; 61 #define U2_DEVICE_EXIT_LATENCY 8 62 #define U1_DEVICE_EXIT_LATENCY 0 63 u32 usb2lpm; 64 #define USB_L1_LPM_HIRD 2 65 #define USB_L1_LPM_REMOTE_WAKE 1 66 #define USB_L1_LPM_SUPPORT 0 67 u32 usb3belt; 68 #define BELT_MULTIPLIER 10 69 #define BEST_EFFORT_LATENCY_TOLERANCE 0 70 u32 usbctl2; 71 #define LTM_ENABLE 7 72 #define U2_ENABLE 6 73 #define U1_ENABLE 5 74 #define FUNCTION_SUSPEND 4 75 #define USB3_CORE_ENABLE 3 76 #define USB2_CORE_ENABLE 2 77 #define SERIAL_NUMBER_STRING_ENABLE 0 78 u32 in_timeout; 79 #define GPEP3_TIMEOUT 19 80 #define GPEP2_TIMEOUT 18 81 #define GPEP1_TIMEOUT 17 82 #define GPEP0_TIMEOUT 16 83 #define GPEP3_TIMEOUT_VALUE 13 84 #define GPEP3_TIMEOUT_ENABLE 12 85 #define GPEP2_TIMEOUT_VALUE 9 86 #define GPEP2_TIMEOUT_ENABLE 8 87 #define GPEP1_TIMEOUT_VALUE 5 88 #define GPEP1_TIMEOUT_ENABLE 4 89 #define GPEP0_TIMEOUT_VALUE 1 90 #define GPEP0_TIMEOUT_ENABLE 0 91 u32 isodelay; 92 #define ISOCHRONOUS_DELAY 0 93 } __packed; 94 95 struct usb338x_fifo_regs { 96 /* offset 0x0500, 0x0520, 0x0540, 0x0560, 0x0580 */ 97 u32 ep_fifo_size_base; 98 #define IN_FIFO_BASE_ADDRESS 22 99 #define IN_FIFO_SIZE 16 100 #define OUT_FIFO_BASE_ADDRESS 6 101 #define OUT_FIFO_SIZE 0 102 u32 ep_fifo_out_wrptr; 103 u32 ep_fifo_out_rdptr; 104 u32 ep_fifo_in_wrptr; 105 u32 ep_fifo_in_rdptr; 106 u32 unused[3]; 107 } __packed; 108 109 110 /* Link layer */ 111 struct usb338x_ll_regs { 112 /* offset 0x700 */ 113 u32 ll_ltssm_ctrl1; 114 u32 ll_ltssm_ctrl2; 115 u32 ll_ltssm_ctrl3; 116 u32 unused[2]; 117 u32 ll_general_ctrl0; 118 u32 ll_general_ctrl1; 119 #define PM_U3_AUTO_EXIT 29 120 #define PM_U2_AUTO_EXIT 28 121 #define PM_U1_AUTO_EXIT 27 122 #define PM_FORCE_U2_ENTRY 26 123 #define PM_FORCE_U1_ENTRY 25 124 #define PM_LGO_COLLISION_SEND_LAU 24 125 #define PM_DIR_LINK_REJECT 23 126 #define PM_FORCE_LINK_ACCEPT 22 127 #define PM_DIR_ENTRY_U3 20 128 #define PM_DIR_ENTRY_U2 19 129 #define PM_DIR_ENTRY_U1 18 130 #define PM_U2_ENABLE 17 131 #define PM_U1_ENABLE 16 132 #define SKP_THRESHOLD_ADJUST_FMW 8 133 #define RESEND_DPP_ON_LRTY_FMW 7 134 #define DL_BIT_VALUE_FMW 6 135 #define FORCE_DL_BIT 5 136 u32 ll_general_ctrl2; 137 #define SELECT_INVERT_LANE_POLARITY 7 138 #define FORCE_INVERT_LANE_POLARITY 6 139 u32 ll_general_ctrl3; 140 u32 ll_general_ctrl4; 141 u32 ll_error_gen; 142 } __packed; 143 144 struct usb338x_ll_lfps_regs { 145 /* offset 0x748 */ 146 u32 ll_lfps_5; 147 #define TIMER_LFPS_6US 16 148 u32 ll_lfps_6; 149 #define TIMER_LFPS_80US 0 150 } __packed; 151 152 struct usb338x_ll_tsn_regs { 153 /* offset 0x77C */ 154 u32 ll_tsn_counters_2; 155 #define HOT_TX_NORESET_TS2 24 156 u32 ll_tsn_counters_3; 157 #define HOT_RX_RESET_TS2 0 158 } __packed; 159 160 struct usb338x_ll_chi_regs { 161 /* offset 0x79C */ 162 u32 ll_tsn_chicken_bit; 163 #define RECOVERY_IDLE_TO_RECOVER_FMW 3 164 } __packed; 165 166 /* protocol layer */ 167 struct usb338x_pl_regs { 168 /* offset 0x800 */ 169 u32 pl_reg_1; 170 u32 pl_reg_2; 171 u32 pl_reg_3; 172 u32 pl_reg_4; 173 u32 pl_ep_ctrl; 174 /* Protocol Layer Endpoint Control*/ 175 #define PL_EP_CTRL 0x810 176 #define ENDPOINT_SELECT 0 177 /* [4:0] */ 178 #define EP_INITIALIZED 16 179 #define SEQUENCE_NUMBER_RESET 17 180 #define CLEAR_ACK_ERROR_CODE 20 181 u32 pl_reg_6; 182 u32 pl_reg_7; 183 u32 pl_reg_8; 184 u32 pl_ep_status_1; 185 /* Protocol Layer Endpoint Status 1*/ 186 #define PL_EP_STATUS_1 0x820 187 #define STATE 16 188 #define ACK_GOOD_NORMAL 0x11 189 #define ACK_GOOD_MORE_ACKS_TO_COME 0x16 190 u32 pl_ep_status_2; 191 u32 pl_ep_status_3; 192 /* Protocol Layer Endpoint Status 3*/ 193 #define PL_EP_STATUS_3 0x828 194 #define SEQUENCE_NUMBER 0 195 u32 pl_ep_status_4; 196 /* Protocol Layer Endpoint Status 4*/ 197 #define PL_EP_STATUS_4 0x82c 198 u32 pl_ep_cfg_4; 199 /* Protocol Layer Endpoint Configuration 4*/ 200 #define PL_EP_CFG_4 0x830 201 #define NON_CTRL_IN_TOLERATE_BAD_DIR 6 202 } __packed; 203 204 #endif /* __LINUX_USB_USB338X_H */ 205