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// SPDX-License-Identifier: GPL-1.0+
/*
* Renesas USB driver
*
* Copyright (C) 2011 Renesas Solutions Corp.
* Copyright (C) 2019 Renesas Electronics Corporation
* Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
*/
#ifndef RENESAS_USB_DRIVER_H
#define RENESAS_USB_DRIVER_H
#include <linux/clk.h>
#include <linux/extcon.h>
#include <linux/platform_device.h>
#include <linux/reset.h>
#include <linux/usb/renesas_usbhs.h>
struct usbhs_priv;
#include "mod.h"
#include "pipe.h"
/*
*
* register define
*
*/
#define SYSCFG 0x0000
#define BUSWAIT 0x0002
#define DVSTCTR 0x0008
#define TESTMODE 0x000C
#define CFIFO 0x0014
#define CFIFOSEL 0x0020
#define CFIFOCTR 0x0022
#define D0FIFO 0x0100
#define D0FIFOSEL 0x0028
#define D0FIFOCTR 0x002A
#define D1FIFO 0x0120
#define D1FIFOSEL 0x002C
#define D1FIFOCTR 0x002E
#define INTENB0 0x0030
#define INTENB1 0x0032
#define BRDYENB 0x0036
#define NRDYENB 0x0038
#define BEMPENB 0x003A
#define INTSTS0 0x0040
#define INTSTS1 0x0042
#define BRDYSTS 0x0046
#define NRDYSTS 0x0048
#define BEMPSTS 0x004A
#define FRMNUM 0x004C
#define USBREQ 0x0054 /* USB request type register */
#define USBVAL 0x0056 /* USB request value register */
#define USBINDX 0x0058 /* USB request index register */
#define USBLENG 0x005A /* USB request length register */
#define DCPCFG 0x005C
#define DCPMAXP 0x005E
#define DCPCTR 0x0060
#define PIPESEL 0x0064
#define PIPECFG 0x0068
#define PIPEBUF 0x006A
#define PIPEMAXP 0x006C
#define PIPEPERI 0x006E
#define PIPEnCTR 0x0070
#define PIPE1TRE 0x0090
#define PIPE1TRN 0x0092
#define PIPE2TRE 0x0094
#define PIPE2TRN 0x0096
#define PIPE3TRE 0x0098
#define PIPE3TRN 0x009A
#define PIPE4TRE 0x009C
#define PIPE4TRN 0x009E
#define PIPE5TRE 0x00A0
#define PIPE5TRN 0x00A2
#define PIPEBTRE 0x00A4
#define PIPEBTRN 0x00A6
#define PIPECTRE 0x00A8
#define PIPECTRN 0x00AA
#define PIPEDTRE 0x00AC
#define PIPEDTRN 0x00AE
#define PIPEETRE 0x00B0
#define PIPEETRN 0x00B2
#define PIPEFTRE 0x00B4
#define PIPEFTRN 0x00B6
#define PIPE9TRE 0x00B8
#define PIPE9TRN 0x00BA
#define PIPEATRE 0x00BC
#define PIPEATRN 0x00BE
#define DEVADD0 0x00D0 /* Device address n configuration */
#define DEVADD1 0x00D2
#define DEVADD2 0x00D4
#define DEVADD3 0x00D6
#define DEVADD4 0x00D8
#define DEVADD5 0x00DA
#define DEVADD6 0x00DC
#define DEVADD7 0x00DE
#define DEVADD8 0x00E0
#define DEVADD9 0x00E2
#define DEVADDA 0x00E4
#define D2FIFOSEL 0x00F0 /* for R-Car Gen2 */
#define D2FIFOCTR 0x00F2 /* for R-Car Gen2 */
#define D3FIFOSEL 0x00F4 /* for R-Car Gen2 */
#define D3FIFOCTR 0x00F6 /* for R-Car Gen2 */
#define SUSPMODE 0x0102 /* for RZ/A */
/* SYSCFG */
#define SCKE (1 << 10) /* USB Module Clock Enable */
#define CNEN (1 << 8) /* Single-ended receiver operation Enable */
#define HSE (1 << 7) /* High-Speed Operation Enable */
#define DCFM (1 << 6) /* Controller Function Select */
#define DRPD (1 << 5) /* D+ Line/D- Line Resistance Control */
#define DPRPU (1 << 4) /* D+ Line Resistance Control */
#define USBE (1 << 0) /* USB Module Operation Enable */
#define UCKSEL (1 << 2) /* Clock Select for RZ/A1 */
#define UPLLE (1 << 1) /* USB PLL Enable for RZ/A1 */
/* DVSTCTR */
#define EXTLP (1 << 10) /* Controls the EXTLP pin output state */
#define PWEN (1 << 9) /* Controls the PWEN pin output state */
#define USBRST (1 << 6) /* Bus Reset Output */
#define UACT (1 << 4) /* USB Bus Enable */
#define RHST (0x7) /* Reset Handshake */
#define RHST_LOW_SPEED 1 /* Low-speed connection */
#define RHST_FULL_SPEED 2 /* Full-speed connection */
#define RHST_HIGH_SPEED 3 /* High-speed connection */
/* CFIFOSEL */
#define DREQE (1 << 12) /* DMA Transfer Request Enable */
#define MBW_32 (0x2 << 10) /* CFIFO Port Access Bit Width */
/* CFIFOCTR */
#define BVAL (1 << 15) /* Buffer Memory Enable Flag */
#define BCLR (1 << 14) /* CPU buffer clear */
#define FRDY (1 << 13) /* FIFO Port Ready */
#define DTLN_MASK (0x0FFF) /* Receive Data Length */
/* INTENB0 */
#define VBSE (1 << 15) /* Enable IRQ VBUS_0 and VBUSIN_0 */
#define RSME (1 << 14) /* Enable IRQ Resume */
#define SOFE (1 << 13) /* Enable IRQ Frame Number Update */
#define DVSE (1 << 12) /* Enable IRQ Device State Transition */
#define CTRE (1 << 11) /* Enable IRQ Control Stage Transition */
#define BEMPE (1 << 10) /* Enable IRQ Buffer Empty */
#define NRDYE (1 << 9) /* Enable IRQ Buffer Not Ready Response */
#define BRDYE (1 << 8) /* Enable IRQ Buffer Ready */
/* INTENB1 */
#define BCHGE (1 << 14) /* USB Bus Change Interrupt Enable */
#define DTCHE (1 << 12) /* Disconnection Detect Interrupt Enable */
#define ATTCHE (1 << 11) /* Connection Detect Interrupt Enable */
#define EOFERRE (1 << 6) /* EOF Error Detect Interrupt Enable */
#define SIGNE (1 << 5) /* Setup Transaction Error Interrupt Enable */
#define SACKE (1 << 4) /* Setup Transaction ACK Interrupt Enable */
/* INTSTS0 */
#define VBINT (1 << 15) /* VBUS0_0 and VBUS1_0 Interrupt Status */
#define DVST (1 << 12) /* Device State Transition Interrupt Status */
#define CTRT (1 << 11) /* Control Stage Interrupt Status */
#define BEMP (1 << 10) /* Buffer Empty Interrupt Status */
#define BRDY (1 << 8) /* Buffer Ready Interrupt Status */
#define VBSTS (1 << 7) /* VBUS_0 and VBUSIN_0 Input Status */
#define VALID (1 << 3) /* USB Request Receive */
#define DVSQ_MASK (0x3 << 4) /* Device State */
#define POWER_STATE (0 << 4)
#define DEFAULT_STATE (1 << 4)
#define ADDRESS_STATE (2 << 4)
#define CONFIGURATION_STATE (3 << 4)
#define CTSQ_MASK (0x7) /* Control Transfer Stage */
#define IDLE_SETUP_STAGE 0 /* Idle stage or setup stage */
#define READ_DATA_STAGE 1 /* Control read data stage */
#define READ_STATUS_STAGE 2 /* Control read status stage */
#define WRITE_DATA_STAGE 3 /* Control write data stage */
#define WRITE_STATUS_STAGE 4 /* Control write status stage */
#define NODATA_STATUS_STAGE 5 /* Control write NoData status stage */
#define SEQUENCE_ERROR 6 /* Control transfer sequence error */
/* INTSTS1 */
#define OVRCR (1 << 15) /* OVRCR Interrupt Status */
#define BCHG (1 << 14) /* USB Bus Change Interrupt Status */
#define DTCH (1 << 12) /* USB Disconnection Detect Interrupt Status */
#define ATTCH (1 << 11) /* ATTCH Interrupt Status */
#define EOFERR (1 << 6) /* EOF Error Detect Interrupt Status */
#define SIGN (1 << 5) /* Setup Transaction Error Interrupt Status */
#define SACK (1 << 4) /* Setup Transaction ACK Response Interrupt Status */
/* PIPECFG */
/* DCPCFG */
#define TYPE_NONE (0 << 14) /* Transfer Type */
#define TYPE_BULK (1 << 14)
#define TYPE_INT (2 << 14)
#define TYPE_ISO (3 << 14)
#define BFRE (1 << 10) /* BRDY Interrupt Operation Spec. */
#define DBLB (1 << 9) /* Double Buffer Mode */
#define SHTNAK (1 << 7) /* Pipe Disable in Transfer End */
#define DIR_OUT (1 << 4) /* Transfer Direction */
/* PIPEMAXP */
/* DCPMAXP */
#define DEVSEL_MASK (0xF << 12) /* Device Select */
#define DCP_MAXP_MASK (0x7F)
#define PIPE_MAXP_MASK (0x7FF)
/* PIPEBUF */
#define BUFSIZE_SHIFT 10
#define BUFSIZE_MASK (0x1F << BUFSIZE_SHIFT)
#define BUFNMB_MASK (0xFF)
/* PIPEnCTR */
/* DCPCTR */
#define BSTS (1 << 15) /* Buffer Status */
#define SUREQ (1 << 14) /* Sending SETUP Token */
#define CSSTS (1 << 12) /* CSSTS Status */
#define ACLRM (1 << 9) /* Buffer Auto-Clear Mode */
#define SQCLR (1 << 8) /* Toggle Bit Clear */
#define SQSET (1 << 7) /* Toggle Bit Set */
#define SQMON (1 << 6) /* Toggle Bit Check */
#define PBUSY (1 << 5) /* Pipe Busy */
#define PID_MASK (0x3) /* Response PID */
#define PID_NAK 0
#define PID_BUF 1
#define PID_STALL10 2
#define PID_STALL11 3
#define CCPL (1 << 2) /* Control Transfer End Enable */
/* PIPEnTRE */
#define TRENB (1 << 9) /* Transaction Counter Enable */
#define TRCLR (1 << 8) /* Transaction Counter Clear */
/* FRMNUM */
#define FRNM_MASK (0x7FF)
/* DEVADDn */
#define UPPHUB(x) (((x) & 0xF) << 11) /* HUB Register */
#define HUBPORT(x) (((x) & 0x7) << 8) /* HUB Port for Target Device */
#define USBSPD(x) (((x) & 0x3) << 6) /* Device Transfer Rate */
#define USBSPD_SPEED_LOW 0x1
#define USBSPD_SPEED_FULL 0x2
#define USBSPD_SPEED_HIGH 0x3
/* SUSPMODE */
#define SUSPM (1 << 14) /* SuspendM Control */
/*
* struct
*/
struct usbhs_priv {
void __iomem *base;
unsigned int irq;
unsigned long irqflags;
struct renesas_usbhs_platform_callback pfunc;
struct renesas_usbhs_driver_param dparam;
struct delayed_work notify_hotplug_work;
struct platform_device *pdev;
struct extcon_dev *edev;
spinlock_t lock;
/*
* module control
*/
struct usbhs_mod_info mod_info;
/*
* pipe control
*/
struct usbhs_pipe_info pipe_info;
/*
* fifo control
*/
struct usbhs_fifo_info fifo_info;
struct phy *phy;
struct reset_control *rsts;
struct clk *clks[2];
};
struct usbhs_of_data {
const struct renesas_usbhs_platform_callback *platform_callback;
const struct renesas_usbhs_driver_param param;
};
/*
* common
*/
u16 usbhs_read(struct usbhs_priv *priv, u32 reg);
void usbhs_write(struct usbhs_priv *priv, u32 reg, u16 data);
void usbhs_bset(struct usbhs_priv *priv, u32 reg, u16 mask, u16 data);
#define usbhs_lock(p, f) spin_lock_irqsave(usbhs_priv_to_lock(p), f)
#define usbhs_unlock(p, f) spin_unlock_irqrestore(usbhs_priv_to_lock(p), f)
int usbhs_get_id_as_gadget(struct platform_device *pdev);
/*
* sysconfig
*/
void usbhs_sys_host_ctrl(struct usbhs_priv *priv, int enable);
void usbhs_sys_function_ctrl(struct usbhs_priv *priv, int enable);
void usbhs_sys_function_pullup(struct usbhs_priv *priv, int enable);
void usbhs_sys_set_test_mode(struct usbhs_priv *priv, u16 mode);
/*
* usb request
*/
void usbhs_usbreq_get_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req);
void usbhs_usbreq_set_val(struct usbhs_priv *priv, struct usb_ctrlrequest *req);
/*
* bus
*/
void usbhs_bus_send_sof_enable(struct usbhs_priv *priv);
void usbhs_bus_send_reset(struct usbhs_priv *priv);
int usbhs_bus_get_speed(struct usbhs_priv *priv);
int usbhs_vbus_ctrl(struct usbhs_priv *priv, int enable);
int usbhsc_schedule_notify_hotplug(struct platform_device *pdev);
/*
* frame
*/
int usbhs_frame_get_num(struct usbhs_priv *priv);
/*
* device config
*/
int usbhs_set_device_config(struct usbhs_priv *priv, int devnum, u16 upphub,
u16 hubport, u16 speed);
/*
* interrupt functions
*/
void usbhs_xxxsts_clear(struct usbhs_priv *priv, u16 sts_reg, u16 bit);
/*
* data
*/
struct usbhs_priv *usbhs_pdev_to_priv(struct platform_device *pdev);
#define usbhs_get_dparam(priv, param) (priv->dparam.param)
#define usbhs_priv_to_pdev(priv) (priv->pdev)
#define usbhs_priv_to_dev(priv) (&priv->pdev->dev)
#define usbhs_priv_to_lock(priv) (&priv->lock)
#endif /* RENESAS_USB_DRIVER_H */
|
