15fd54aceSGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0 2df2069acSChunfeng Yun /* 3df2069acSChunfeng Yun * mtu3.h - MediaTek USB3 DRD header 4df2069acSChunfeng Yun * 5df2069acSChunfeng Yun * Copyright (C) 2016 MediaTek Inc. 6df2069acSChunfeng Yun * 7df2069acSChunfeng Yun * Author: Chunfeng Yun <chunfeng.yun@mediatek.com> 8df2069acSChunfeng Yun * 9df2069acSChunfeng Yun * This software is licensed under the terms of the GNU General Public 10df2069acSChunfeng Yun * License version 2, as published by the Free Software Foundation, and 11df2069acSChunfeng Yun * may be copied, distributed, and modified under those terms. 12df2069acSChunfeng Yun * 13df2069acSChunfeng Yun * This program is distributed in the hope that it will be useful, 14df2069acSChunfeng Yun * but WITHOUT ANY WARRANTY; without even the implied warranty of 15df2069acSChunfeng Yun * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16df2069acSChunfeng Yun * GNU General Public License for more details. 17df2069acSChunfeng Yun * 18df2069acSChunfeng Yun */ 19df2069acSChunfeng Yun 20df2069acSChunfeng Yun #ifndef __MTU3_H__ 21df2069acSChunfeng Yun #define __MTU3_H__ 22df2069acSChunfeng Yun 23df2069acSChunfeng Yun #include <linux/device.h> 24df2069acSChunfeng Yun #include <linux/dmapool.h> 25d0ed062aSChunfeng Yun #include <linux/extcon.h> 26df2069acSChunfeng Yun #include <linux/interrupt.h> 27df2069acSChunfeng Yun #include <linux/list.h> 28df2069acSChunfeng Yun #include <linux/phy/phy.h> 29df2069acSChunfeng Yun #include <linux/regulator/consumer.h> 30df2069acSChunfeng Yun #include <linux/usb.h> 31df2069acSChunfeng Yun #include <linux/usb/ch9.h> 32df2069acSChunfeng Yun #include <linux/usb/gadget.h> 33df2069acSChunfeng Yun #include <linux/usb/otg.h> 34df2069acSChunfeng Yun 35df2069acSChunfeng Yun struct mtu3; 36df2069acSChunfeng Yun struct mtu3_ep; 37df2069acSChunfeng Yun struct mtu3_request; 38df2069acSChunfeng Yun 39df2069acSChunfeng Yun #include "mtu3_hw_regs.h" 40df2069acSChunfeng Yun #include "mtu3_qmu.h" 41df2069acSChunfeng Yun 42df2069acSChunfeng Yun #define MU3D_EP_TXCR0(epnum) (U3D_TX1CSR0 + (((epnum) - 1) * 0x10)) 43df2069acSChunfeng Yun #define MU3D_EP_TXCR1(epnum) (U3D_TX1CSR1 + (((epnum) - 1) * 0x10)) 44df2069acSChunfeng Yun #define MU3D_EP_TXCR2(epnum) (U3D_TX1CSR2 + (((epnum) - 1) * 0x10)) 45df2069acSChunfeng Yun 46df2069acSChunfeng Yun #define MU3D_EP_RXCR0(epnum) (U3D_RX1CSR0 + (((epnum) - 1) * 0x10)) 47df2069acSChunfeng Yun #define MU3D_EP_RXCR1(epnum) (U3D_RX1CSR1 + (((epnum) - 1) * 0x10)) 48df2069acSChunfeng Yun #define MU3D_EP_RXCR2(epnum) (U3D_RX1CSR2 + (((epnum) - 1) * 0x10)) 49df2069acSChunfeng Yun 501a46dfeaSChunfeng Yun #define USB_QMU_TQHIAR(epnum) (U3D_TXQHIAR1 + (((epnum) - 1) * 0x4)) 511a46dfeaSChunfeng Yun #define USB_QMU_RQHIAR(epnum) (U3D_RXQHIAR1 + (((epnum) - 1) * 0x4)) 521a46dfeaSChunfeng Yun 53df2069acSChunfeng Yun #define USB_QMU_RQCSR(epnum) (U3D_RXQCSR1 + (((epnum) - 1) * 0x10)) 54df2069acSChunfeng Yun #define USB_QMU_RQSAR(epnum) (U3D_RXQSAR1 + (((epnum) - 1) * 0x10)) 55df2069acSChunfeng Yun #define USB_QMU_RQCPR(epnum) (U3D_RXQCPR1 + (((epnum) - 1) * 0x10)) 56df2069acSChunfeng Yun 57df2069acSChunfeng Yun #define USB_QMU_TQCSR(epnum) (U3D_TXQCSR1 + (((epnum) - 1) * 0x10)) 58df2069acSChunfeng Yun #define USB_QMU_TQSAR(epnum) (U3D_TXQSAR1 + (((epnum) - 1) * 0x10)) 59df2069acSChunfeng Yun #define USB_QMU_TQCPR(epnum) (U3D_TXQCPR1 + (((epnum) - 1) * 0x10)) 60df2069acSChunfeng Yun 61a29de31bSChunfeng Yun #define SSUSB_U3_CTRL(p) (U3D_SSUSB_U3_CTRL_0P + ((p) * 0x08)) 62df2069acSChunfeng Yun #define SSUSB_U2_CTRL(p) (U3D_SSUSB_U2_CTRL_0P + ((p) * 0x08)) 63df2069acSChunfeng Yun 64df2069acSChunfeng Yun #define MTU3_DRIVER_NAME "mtu3" 65df2069acSChunfeng Yun #define DMA_ADDR_INVALID (~(dma_addr_t)0) 66df2069acSChunfeng Yun 67df2069acSChunfeng Yun #define MTU3_EP_ENABLED BIT(0) 68df2069acSChunfeng Yun #define MTU3_EP_STALL BIT(1) 69df2069acSChunfeng Yun #define MTU3_EP_WEDGE BIT(2) 70df2069acSChunfeng Yun #define MTU3_EP_BUSY BIT(3) 71df2069acSChunfeng Yun 72a29de31bSChunfeng Yun #define MTU3_U3_IP_SLOT_DEFAULT 2 73df2069acSChunfeng Yun #define MTU3_U2_IP_SLOT_DEFAULT 1 74df2069acSChunfeng Yun 75df2069acSChunfeng Yun /** 76df2069acSChunfeng Yun * Normally the device works on HS or SS, to simplify fifo management, 77df2069acSChunfeng Yun * devide fifo into some 512B parts, use bitmap to manage it; And 78df2069acSChunfeng Yun * 128 bits size of bitmap is large enough, that means it can manage 79df2069acSChunfeng Yun * up to 64KB fifo size. 80df2069acSChunfeng Yun * NOTE: MTU3_EP_FIFO_UNIT should be power of two 81df2069acSChunfeng Yun */ 82df2069acSChunfeng Yun #define MTU3_EP_FIFO_UNIT (1 << 9) 83df2069acSChunfeng Yun #define MTU3_FIFO_BIT_SIZE 128 84df2069acSChunfeng Yun #define MTU3_U2_IP_EP0_FIFO_SIZE 64 85df2069acSChunfeng Yun 86df2069acSChunfeng Yun /** 87df2069acSChunfeng Yun * Maximum size of ep0 response buffer for ch9 requests, 88df2069acSChunfeng Yun * the SET_SEL request uses 6 so far, and GET_STATUS is 2 89df2069acSChunfeng Yun */ 90df2069acSChunfeng Yun #define EP0_RESPONSE_BUF 6 91df2069acSChunfeng Yun 92df2069acSChunfeng Yun /* device operated link and speed got from DEVICE_CONF register */ 93df2069acSChunfeng Yun enum mtu3_speed { 94df2069acSChunfeng Yun MTU3_SPEED_INACTIVE = 0, 95df2069acSChunfeng Yun MTU3_SPEED_FULL = 1, 96df2069acSChunfeng Yun MTU3_SPEED_HIGH = 3, 97a29de31bSChunfeng Yun MTU3_SPEED_SUPER = 4, 984d79e042SChunfeng Yun MTU3_SPEED_SUPER_PLUS = 5, 99df2069acSChunfeng Yun }; 100df2069acSChunfeng Yun 101df2069acSChunfeng Yun /** 102df2069acSChunfeng Yun * @MU3D_EP0_STATE_SETUP: waits for SETUP or received a SETUP 103df2069acSChunfeng Yun * without data stage. 104df2069acSChunfeng Yun * @MU3D_EP0_STATE_TX: IN data stage 105df2069acSChunfeng Yun * @MU3D_EP0_STATE_RX: OUT data stage 106df2069acSChunfeng Yun * @MU3D_EP0_STATE_TX_END: the last IN data is transferred, and 107df2069acSChunfeng Yun * waits for its completion interrupt 108df2069acSChunfeng Yun * @MU3D_EP0_STATE_STALL: ep0 is in stall status, will be auto-cleared 109df2069acSChunfeng Yun * after receives a SETUP. 110df2069acSChunfeng Yun */ 111df2069acSChunfeng Yun enum mtu3_g_ep0_state { 112df2069acSChunfeng Yun MU3D_EP0_STATE_SETUP = 1, 113df2069acSChunfeng Yun MU3D_EP0_STATE_TX, 114df2069acSChunfeng Yun MU3D_EP0_STATE_RX, 115df2069acSChunfeng Yun MU3D_EP0_STATE_TX_END, 116df2069acSChunfeng Yun MU3D_EP0_STATE_STALL, 117df2069acSChunfeng Yun }; 118df2069acSChunfeng Yun 119df2069acSChunfeng Yun /** 120c776f2c3SChunfeng Yun * MTU3_DR_FORCE_NONE: automatically switch host and periperal mode 121c776f2c3SChunfeng Yun * by IDPIN signal. 122c776f2c3SChunfeng Yun * MTU3_DR_FORCE_HOST: force to enter host mode and override OTG 123c776f2c3SChunfeng Yun * IDPIN signal. 124c776f2c3SChunfeng Yun * MTU3_DR_FORCE_DEVICE: force to enter peripheral mode. 125c776f2c3SChunfeng Yun */ 126c776f2c3SChunfeng Yun enum mtu3_dr_force_mode { 127c776f2c3SChunfeng Yun MTU3_DR_FORCE_NONE = 0, 128c776f2c3SChunfeng Yun MTU3_DR_FORCE_HOST, 129c776f2c3SChunfeng Yun MTU3_DR_FORCE_DEVICE, 130c776f2c3SChunfeng Yun }; 131c776f2c3SChunfeng Yun 132c776f2c3SChunfeng Yun /** 133df2069acSChunfeng Yun * @base: the base address of fifo 134df2069acSChunfeng Yun * @limit: the bitmap size in bits 135df2069acSChunfeng Yun * @bitmap: fifo bitmap in unit of @MTU3_EP_FIFO_UNIT 136df2069acSChunfeng Yun */ 137df2069acSChunfeng Yun struct mtu3_fifo_info { 138df2069acSChunfeng Yun u32 base; 139df2069acSChunfeng Yun u32 limit; 140df2069acSChunfeng Yun DECLARE_BITMAP(bitmap, MTU3_FIFO_BIT_SIZE); 141df2069acSChunfeng Yun }; 142df2069acSChunfeng Yun 143df2069acSChunfeng Yun /** 144df2069acSChunfeng Yun * General Purpose Descriptor (GPD): 145df2069acSChunfeng Yun * The format of TX GPD is a little different from RX one. 146df2069acSChunfeng Yun * And the size of GPD is 16 bytes. 147df2069acSChunfeng Yun * 148df2069acSChunfeng Yun * @flag: 149df2069acSChunfeng Yun * bit0: Hardware Own (HWO) 150df2069acSChunfeng Yun * bit1: Buffer Descriptor Present (BDP), always 0, BD is not supported 151df2069acSChunfeng Yun * bit2: Bypass (BPS), 1: HW skips this GPD if HWO = 1 152df2069acSChunfeng Yun * bit7: Interrupt On Completion (IOC) 153df2069acSChunfeng Yun * @chksum: This is used to validate the contents of this GPD; 154df2069acSChunfeng Yun * If TXQ_CS_EN / RXQ_CS_EN bit is set, an interrupt is issued 155df2069acSChunfeng Yun * when checksum validation fails; 156df2069acSChunfeng Yun * Checksum value is calculated over the 16 bytes of the GPD by default; 157df2069acSChunfeng Yun * @data_buf_len (RX ONLY): This value indicates the length of 158df2069acSChunfeng Yun * the assigned data buffer 1591a46dfeaSChunfeng Yun * @tx_ext_addr (TX ONLY): [3:0] are 4 extension bits of @buffer, 1601a46dfeaSChunfeng Yun * [7:4] are 4 extension bits of @next_gpd 161df2069acSChunfeng Yun * @next_gpd: Physical address of the next GPD 162df2069acSChunfeng Yun * @buffer: Physical address of the data buffer 163df2069acSChunfeng Yun * @buf_len: 164df2069acSChunfeng Yun * (TX): This value indicates the length of the assigned data buffer 165df2069acSChunfeng Yun * (RX): The total length of data received 166df2069acSChunfeng Yun * @ext_len: reserved 1671a46dfeaSChunfeng Yun * @rx_ext_addr(RX ONLY): [3:0] are 4 extension bits of @buffer, 1681a46dfeaSChunfeng Yun * [7:4] are 4 extension bits of @next_gpd 169df2069acSChunfeng Yun * @ext_flag: 170df2069acSChunfeng Yun * bit5 (TX ONLY): Zero Length Packet (ZLP), 171df2069acSChunfeng Yun */ 172df2069acSChunfeng Yun struct qmu_gpd { 173df2069acSChunfeng Yun __u8 flag; 174df2069acSChunfeng Yun __u8 chksum; 1751a46dfeaSChunfeng Yun union { 176df2069acSChunfeng Yun __le16 data_buf_len; 1771a46dfeaSChunfeng Yun __le16 tx_ext_addr; 1781a46dfeaSChunfeng Yun }; 179df2069acSChunfeng Yun __le32 next_gpd; 180df2069acSChunfeng Yun __le32 buffer; 181df2069acSChunfeng Yun __le16 buf_len; 1821a46dfeaSChunfeng Yun union { 183df2069acSChunfeng Yun __u8 ext_len; 1841a46dfeaSChunfeng Yun __u8 rx_ext_addr; 1851a46dfeaSChunfeng Yun }; 186df2069acSChunfeng Yun __u8 ext_flag; 187df2069acSChunfeng Yun } __packed; 188df2069acSChunfeng Yun 189df2069acSChunfeng Yun /** 190df2069acSChunfeng Yun * dma: physical base address of GPD segment 191df2069acSChunfeng Yun * start: virtual base address of GPD segment 192df2069acSChunfeng Yun * end: the last GPD element 193df2069acSChunfeng Yun * enqueue: the first empty GPD to use 194df2069acSChunfeng Yun * dequeue: the first completed GPD serviced by ISR 195df2069acSChunfeng Yun * NOTE: the size of GPD ring should be >= 2 196df2069acSChunfeng Yun */ 197df2069acSChunfeng Yun struct mtu3_gpd_ring { 198df2069acSChunfeng Yun dma_addr_t dma; 199df2069acSChunfeng Yun struct qmu_gpd *start; 200df2069acSChunfeng Yun struct qmu_gpd *end; 201df2069acSChunfeng Yun struct qmu_gpd *enqueue; 202df2069acSChunfeng Yun struct qmu_gpd *dequeue; 203df2069acSChunfeng Yun }; 204d0ed062aSChunfeng Yun 205d0ed062aSChunfeng Yun /** 206d0ed062aSChunfeng Yun * @vbus: vbus 5V used by host mode 207d0ed062aSChunfeng Yun * @edev: external connector used to detect vbus and iddig changes 208d0ed062aSChunfeng Yun * @vbus_nb: notifier for vbus detection 209d0ed062aSChunfeng Yun * @vbus_nb: notifier for iddig(idpin) detection 210d0ed062aSChunfeng Yun * @extcon_reg_dwork: delay work for extcon notifier register, waiting for 211d0ed062aSChunfeng Yun * xHCI driver initialization, it's necessary for system bootup 212d0ed062aSChunfeng Yun * as device. 213d0ed062aSChunfeng Yun * @is_u3_drd: whether port0 supports usb3.0 dual-role device or not 214d0ed062aSChunfeng Yun * @manual_drd_enabled: it's true when supports dual-role device by debugfs 215d0ed062aSChunfeng Yun * to switch host/device modes depending on user input. 216d0ed062aSChunfeng Yun */ 217d0ed062aSChunfeng Yun struct otg_switch_mtk { 218d0ed062aSChunfeng Yun struct regulator *vbus; 219d0ed062aSChunfeng Yun struct extcon_dev *edev; 220d0ed062aSChunfeng Yun struct notifier_block vbus_nb; 221d0ed062aSChunfeng Yun struct notifier_block id_nb; 222d0ed062aSChunfeng Yun struct delayed_work extcon_reg_dwork; 223d0ed062aSChunfeng Yun bool is_u3_drd; 224d0ed062aSChunfeng Yun bool manual_drd_enabled; 225d0ed062aSChunfeng Yun }; 226d0ed062aSChunfeng Yun 227b3f4e727SChunfeng Yun /** 228b3f4e727SChunfeng Yun * @mac_base: register base address of device MAC, exclude xHCI's 229d0ed062aSChunfeng Yun * @ippc_base: register base address of IP Power and Clock interface (IPPC) 230b3f4e727SChunfeng Yun * @vusb33: usb3.3V shared by device/host IP 231b3f4e727SChunfeng Yun * @sys_clk: system clock of mtu3, shared by device/host IP 232a316da82SChunfeng Yun * @ref_clk: reference clock 233a316da82SChunfeng Yun * @mcu_clk: mcu_bus_ck clock for AHB bus etc 234a316da82SChunfeng Yun * @dma_clk: dma_bus_ck clock for AXI bus etc 235b3f4e727SChunfeng Yun * @dr_mode: works in which mode: 236b3f4e727SChunfeng Yun * host only, device only or dual-role mode 237b3f4e727SChunfeng Yun * @u2_ports: number of usb2.0 host ports 238b3f4e727SChunfeng Yun * @u3_ports: number of usb3.0 host ports 239076f1a89SChunfeng Yun * @u3p_dis_msk: mask of disabling usb3 ports, for example, bit0==1 to 240076f1a89SChunfeng Yun * disable u3port0, bit1==1 to disable u3port1,... etc 241d0ed062aSChunfeng Yun * @dbgfs_root: only used when supports manual dual-role switch via debugfs 242b3f4e727SChunfeng Yun * @wakeup_en: it's true when supports remote wakeup in host mode 243b3f4e727SChunfeng Yun */ 244b3f4e727SChunfeng Yun struct ssusb_mtk { 245b3f4e727SChunfeng Yun struct device *dev; 246b3f4e727SChunfeng Yun struct mtu3 *u3d; 247b3f4e727SChunfeng Yun void __iomem *mac_base; 248b3f4e727SChunfeng Yun void __iomem *ippc_base; 249b3f4e727SChunfeng Yun struct phy **phys; 250b3f4e727SChunfeng Yun int num_phys; 251b3f4e727SChunfeng Yun /* common power & clock */ 252b3f4e727SChunfeng Yun struct regulator *vusb33; 253b3f4e727SChunfeng Yun struct clk *sys_clk; 2544d70d0c6SChunfeng Yun struct clk *ref_clk; 255a316da82SChunfeng Yun struct clk *mcu_clk; 256a316da82SChunfeng Yun struct clk *dma_clk; 257b3f4e727SChunfeng Yun /* otg */ 258d0ed062aSChunfeng Yun struct otg_switch_mtk otg_switch; 259b3f4e727SChunfeng Yun enum usb_dr_mode dr_mode; 260b3f4e727SChunfeng Yun bool is_host; 261b3f4e727SChunfeng Yun int u2_ports; 262b3f4e727SChunfeng Yun int u3_ports; 263076f1a89SChunfeng Yun int u3p_dis_msk; 264d0ed062aSChunfeng Yun struct dentry *dbgfs_root; 265b3f4e727SChunfeng Yun /* usb wakeup for host mode */ 266b3f4e727SChunfeng Yun bool wakeup_en; 267b3f4e727SChunfeng Yun struct regmap *pericfg; 268b3f4e727SChunfeng Yun }; 269df2069acSChunfeng Yun 270df2069acSChunfeng Yun /** 271df2069acSChunfeng Yun * @fifo_size: it is (@slot + 1) * @fifo_seg_size 272df2069acSChunfeng Yun * @fifo_seg_size: it is roundup_pow_of_two(@maxp) 273df2069acSChunfeng Yun */ 274df2069acSChunfeng Yun struct mtu3_ep { 275df2069acSChunfeng Yun struct usb_ep ep; 276df2069acSChunfeng Yun char name[12]; 277df2069acSChunfeng Yun struct mtu3 *mtu; 278df2069acSChunfeng Yun u8 epnum; 279df2069acSChunfeng Yun u8 type; 280df2069acSChunfeng Yun u8 is_in; 281df2069acSChunfeng Yun u16 maxp; 282df2069acSChunfeng Yun int slot; 283df2069acSChunfeng Yun u32 fifo_size; 284df2069acSChunfeng Yun u32 fifo_addr; 285df2069acSChunfeng Yun u32 fifo_seg_size; 286df2069acSChunfeng Yun struct mtu3_fifo_info *fifo; 287df2069acSChunfeng Yun 288df2069acSChunfeng Yun struct list_head req_list; 289df2069acSChunfeng Yun struct mtu3_gpd_ring gpd_ring; 290a29de31bSChunfeng Yun const struct usb_ss_ep_comp_descriptor *comp_desc; 291df2069acSChunfeng Yun const struct usb_endpoint_descriptor *desc; 292df2069acSChunfeng Yun 293df2069acSChunfeng Yun int flags; 294df2069acSChunfeng Yun u8 wedged; 295df2069acSChunfeng Yun u8 busy; 296df2069acSChunfeng Yun }; 297df2069acSChunfeng Yun 298df2069acSChunfeng Yun struct mtu3_request { 299df2069acSChunfeng Yun struct usb_request request; 300df2069acSChunfeng Yun struct list_head list; 301df2069acSChunfeng Yun struct mtu3_ep *mep; 302df2069acSChunfeng Yun struct mtu3 *mtu; 303df2069acSChunfeng Yun struct qmu_gpd *gpd; 304df2069acSChunfeng Yun int epnum; 305df2069acSChunfeng Yun }; 306df2069acSChunfeng Yun 307b3f4e727SChunfeng Yun static inline struct ssusb_mtk *dev_to_ssusb(struct device *dev) 308b3f4e727SChunfeng Yun { 309b3f4e727SChunfeng Yun return dev_get_drvdata(dev); 310b3f4e727SChunfeng Yun } 311b3f4e727SChunfeng Yun 312df2069acSChunfeng Yun /** 313df2069acSChunfeng Yun * struct mtu3 - device driver instance data. 314a29de31bSChunfeng Yun * @slot: MTU3_U2_IP_SLOT_DEFAULT for U2 IP only, 315a29de31bSChunfeng Yun * MTU3_U3_IP_SLOT_DEFAULT for U3 IP 316df2069acSChunfeng Yun * @may_wakeup: means device's remote wakeup is enabled 317df2069acSChunfeng Yun * @is_self_powered: is reported in device status and the config descriptor 318fe7c994aSChunfeng Yun * @delayed_status: true when function drivers ask for delayed status 319df2069acSChunfeng Yun * @ep0_req: dummy request used while handling standard USB requests 320df2069acSChunfeng Yun * for GET_STATUS and SET_SEL 321df2069acSChunfeng Yun * @setup_buf: ep0 response buffer for GET_STATUS and SET_SEL requests 322df2069acSChunfeng Yun */ 323df2069acSChunfeng Yun struct mtu3 { 324df2069acSChunfeng Yun spinlock_t lock; 325b3f4e727SChunfeng Yun struct ssusb_mtk *ssusb; 326df2069acSChunfeng Yun struct device *dev; 327df2069acSChunfeng Yun void __iomem *mac_base; 328df2069acSChunfeng Yun void __iomem *ippc_base; 329df2069acSChunfeng Yun int irq; 330df2069acSChunfeng Yun 331df2069acSChunfeng Yun struct mtu3_fifo_info tx_fifo; 332df2069acSChunfeng Yun struct mtu3_fifo_info rx_fifo; 333df2069acSChunfeng Yun 334df2069acSChunfeng Yun struct mtu3_ep *ep_array; 335df2069acSChunfeng Yun struct mtu3_ep *in_eps; 336df2069acSChunfeng Yun struct mtu3_ep *out_eps; 337df2069acSChunfeng Yun struct mtu3_ep *ep0; 338df2069acSChunfeng Yun int num_eps; 339df2069acSChunfeng Yun int slot; 340df2069acSChunfeng Yun int active_ep; 341df2069acSChunfeng Yun 342df2069acSChunfeng Yun struct dma_pool *qmu_gpd_pool; 343df2069acSChunfeng Yun enum mtu3_g_ep0_state ep0_state; 344df2069acSChunfeng Yun struct usb_gadget g; /* the gadget */ 345df2069acSChunfeng Yun struct usb_gadget_driver *gadget_driver; 346df2069acSChunfeng Yun struct mtu3_request ep0_req; 347df2069acSChunfeng Yun u8 setup_buf[EP0_RESPONSE_BUF]; 348a29de31bSChunfeng Yun u32 max_speed; 349df2069acSChunfeng Yun 350df2069acSChunfeng Yun unsigned is_active:1; 351df2069acSChunfeng Yun unsigned may_wakeup:1; 352df2069acSChunfeng Yun unsigned is_self_powered:1; 353df2069acSChunfeng Yun unsigned test_mode:1; 354df2069acSChunfeng Yun unsigned softconnect:1; 355a29de31bSChunfeng Yun unsigned u1_enable:1; 356a29de31bSChunfeng Yun unsigned u2_enable:1; 357a29de31bSChunfeng Yun unsigned is_u3_ip:1; 358fe7c994aSChunfeng Yun unsigned delayed_status:1; 359df2069acSChunfeng Yun 360df2069acSChunfeng Yun u8 address; 361df2069acSChunfeng Yun u8 test_mode_nr; 362df2069acSChunfeng Yun u32 hw_version; 363df2069acSChunfeng Yun }; 364df2069acSChunfeng Yun 365df2069acSChunfeng Yun static inline struct mtu3 *gadget_to_mtu3(struct usb_gadget *g) 366df2069acSChunfeng Yun { 367df2069acSChunfeng Yun return container_of(g, struct mtu3, g); 368df2069acSChunfeng Yun } 369df2069acSChunfeng Yun 370df2069acSChunfeng Yun static inline int is_first_entry(const struct list_head *list, 371df2069acSChunfeng Yun const struct list_head *head) 372df2069acSChunfeng Yun { 373df2069acSChunfeng Yun return list_is_last(head, list); 374df2069acSChunfeng Yun } 375df2069acSChunfeng Yun 376df2069acSChunfeng Yun static inline struct mtu3_request *to_mtu3_request(struct usb_request *req) 377df2069acSChunfeng Yun { 378df2069acSChunfeng Yun return req ? container_of(req, struct mtu3_request, request) : NULL; 379df2069acSChunfeng Yun } 380df2069acSChunfeng Yun 381df2069acSChunfeng Yun static inline struct mtu3_ep *to_mtu3_ep(struct usb_ep *ep) 382df2069acSChunfeng Yun { 383df2069acSChunfeng Yun return ep ? container_of(ep, struct mtu3_ep, ep) : NULL; 384df2069acSChunfeng Yun } 385df2069acSChunfeng Yun 386df2069acSChunfeng Yun static inline struct mtu3_request *next_request(struct mtu3_ep *mep) 387df2069acSChunfeng Yun { 3889b4632efSMasahiro Yamada return list_first_entry_or_null(&mep->req_list, struct mtu3_request, 3899b4632efSMasahiro Yamada list); 390df2069acSChunfeng Yun } 391df2069acSChunfeng Yun 392df2069acSChunfeng Yun static inline void mtu3_writel(void __iomem *base, u32 offset, u32 data) 393df2069acSChunfeng Yun { 394df2069acSChunfeng Yun writel(data, base + offset); 395df2069acSChunfeng Yun } 396df2069acSChunfeng Yun 397df2069acSChunfeng Yun static inline u32 mtu3_readl(void __iomem *base, u32 offset) 398df2069acSChunfeng Yun { 399df2069acSChunfeng Yun return readl(base + offset); 400df2069acSChunfeng Yun } 401df2069acSChunfeng Yun 402df2069acSChunfeng Yun static inline void mtu3_setbits(void __iomem *base, u32 offset, u32 bits) 403df2069acSChunfeng Yun { 404df2069acSChunfeng Yun void __iomem *addr = base + offset; 405df2069acSChunfeng Yun u32 tmp = readl(addr); 406df2069acSChunfeng Yun 407df2069acSChunfeng Yun writel((tmp | (bits)), addr); 408df2069acSChunfeng Yun } 409df2069acSChunfeng Yun 410df2069acSChunfeng Yun static inline void mtu3_clrbits(void __iomem *base, u32 offset, u32 bits) 411df2069acSChunfeng Yun { 412df2069acSChunfeng Yun void __iomem *addr = base + offset; 413df2069acSChunfeng Yun u32 tmp = readl(addr); 414df2069acSChunfeng Yun 415df2069acSChunfeng Yun writel((tmp & ~(bits)), addr); 416df2069acSChunfeng Yun } 417df2069acSChunfeng Yun 418b3f4e727SChunfeng Yun int ssusb_check_clocks(struct ssusb_mtk *ssusb, u32 ex_clks); 419df2069acSChunfeng Yun struct usb_request *mtu3_alloc_request(struct usb_ep *ep, gfp_t gfp_flags); 420df2069acSChunfeng Yun void mtu3_free_request(struct usb_ep *ep, struct usb_request *req); 421df2069acSChunfeng Yun void mtu3_req_complete(struct mtu3_ep *mep, 422df2069acSChunfeng Yun struct usb_request *req, int status); 423df2069acSChunfeng Yun 424df2069acSChunfeng Yun int mtu3_config_ep(struct mtu3 *mtu, struct mtu3_ep *mep, 425df2069acSChunfeng Yun int interval, int burst, int mult); 426df2069acSChunfeng Yun void mtu3_deconfig_ep(struct mtu3 *mtu, struct mtu3_ep *mep); 427df2069acSChunfeng Yun void mtu3_ep_stall_set(struct mtu3_ep *mep, bool set); 428df2069acSChunfeng Yun void mtu3_ep0_setup(struct mtu3 *mtu); 429df2069acSChunfeng Yun void mtu3_start(struct mtu3 *mtu); 430df2069acSChunfeng Yun void mtu3_stop(struct mtu3 *mtu); 431a29de31bSChunfeng Yun void mtu3_dev_on_off(struct mtu3 *mtu, int is_on); 432df2069acSChunfeng Yun 433df2069acSChunfeng Yun int mtu3_gadget_setup(struct mtu3 *mtu); 434df2069acSChunfeng Yun void mtu3_gadget_cleanup(struct mtu3 *mtu); 435df2069acSChunfeng Yun void mtu3_gadget_reset(struct mtu3 *mtu); 436df2069acSChunfeng Yun void mtu3_gadget_suspend(struct mtu3 *mtu); 437df2069acSChunfeng Yun void mtu3_gadget_resume(struct mtu3 *mtu); 438df2069acSChunfeng Yun void mtu3_gadget_disconnect(struct mtu3 *mtu); 439df2069acSChunfeng Yun 440df2069acSChunfeng Yun irqreturn_t mtu3_ep0_isr(struct mtu3 *mtu); 441df2069acSChunfeng Yun extern const struct usb_ep_ops mtu3_ep0_ops; 442df2069acSChunfeng Yun 443df2069acSChunfeng Yun #endif 444