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// SPDX-License-Identifier: GPL-2.0
/*
* Driver for the NXP ISP1760 chip
*
* Copyright 2014 Laurent Pinchart
* Copyright 2007 Sebastian Siewior
*
* Contacts:
* Sebastian Siewior <bigeasy@linutronix.de>
* Laurent Pinchart <laurent.pinchart@ideasonboard.com>
*/
#ifndef _ISP1760_REGS_H_
#define _ISP1760_REGS_H_
/* -----------------------------------------------------------------------------
* Host Controller
*/
/* EHCI capability registers */
#define HC_CAPLENGTH 0x000
#define HC_LENGTH(p) (((p) >> 00) & 0x00ff) /* bits 7:0 */
#define HC_VERSION(p) (((p) >> 16) & 0xffff) /* bits 31:16 */
#define HC_HCSPARAMS 0x004
#define HCS_INDICATOR(p) ((p) & (1 << 16)) /* true: has port indicators */
#define HCS_PPC(p) ((p) & (1 << 4)) /* true: port power control */
#define HCS_N_PORTS(p) (((p) >> 0) & 0xf) /* bits 3:0, ports on HC */
#define HC_HCCPARAMS 0x008
#define HCC_ISOC_CACHE(p) ((p) & (1 << 7)) /* true: can cache isoc frame */
#define HCC_ISOC_THRES(p) (((p) >> 4) & 0x7) /* bits 6:4, uframes cached */
/* EHCI operational registers */
#define HC_USBCMD 0x020
#define CMD_LRESET (1 << 7) /* partial reset (no ports, etc) */
#define CMD_RESET (1 << 1) /* reset HC not bus */
#define CMD_RUN (1 << 0) /* start/stop HC */
#define HC_USBSTS 0x024
#define STS_PCD (1 << 2) /* port change detect */
#define HC_FRINDEX 0x02c
#define HC_CONFIGFLAG 0x060
#define FLAG_CF (1 << 0) /* true: we'll support "high speed" */
#define HC_PORTSC1 0x064
#define PORT_OWNER (1 << 13) /* true: companion hc owns this port */
#define PORT_POWER (1 << 12) /* true: has power (see PPC) */
#define PORT_USB11(x) (((x) & (3 << 10)) == (1 << 10)) /* USB 1.1 device */
#define PORT_RESET (1 << 8) /* reset port */
#define PORT_SUSPEND (1 << 7) /* suspend port */
#define PORT_RESUME (1 << 6) /* resume it */
#define PORT_PE (1 << 2) /* port enable */
#define PORT_CSC (1 << 1) /* connect status change */
#define PORT_CONNECT (1 << 0) /* device connected */
#define PORT_RWC_BITS (PORT_CSC)
#define HC_ISO_PTD_DONEMAP_REG 0x130
#define HC_ISO_PTD_SKIPMAP_REG 0x134
#define HC_ISO_PTD_LASTPTD_REG 0x138
#define HC_INT_PTD_DONEMAP_REG 0x140
#define HC_INT_PTD_SKIPMAP_REG 0x144
#define HC_INT_PTD_LASTPTD_REG 0x148
#define HC_ATL_PTD_DONEMAP_REG 0x150
#define HC_ATL_PTD_SKIPMAP_REG 0x154
#define HC_ATL_PTD_LASTPTD_REG 0x158
/* Configuration Register */
#define HC_HW_MODE_CTRL 0x300
#define ALL_ATX_RESET (1 << 31)
#define HW_ANA_DIGI_OC (1 << 15)
#define HW_DEV_DMA (1 << 11)
#define HW_COMN_IRQ (1 << 10)
#define HW_COMN_DMA (1 << 9)
#define HW_DATA_BUS_32BIT (1 << 8)
#define HW_DACK_POL_HIGH (1 << 6)
#define HW_DREQ_POL_HIGH (1 << 5)
#define HW_INTR_HIGH_ACT (1 << 2)
#define HW_INTR_EDGE_TRIG (1 << 1)
#define HW_GLOBAL_INTR_EN (1 << 0)
#define HC_CHIP_ID_REG 0x304
#define HC_SCRATCH_REG 0x308
#define HC_RESET_REG 0x30c
#define SW_RESET_RESET_HC (1 << 1)
#define SW_RESET_RESET_ALL (1 << 0)
#define HC_BUFFER_STATUS_REG 0x334
#define ISO_BUF_FILL (1 << 2)
#define INT_BUF_FILL (1 << 1)
#define ATL_BUF_FILL (1 << 0)
#define HC_MEMORY_REG 0x33c
#define ISP_BANK(x) ((x) << 16)
#define HC_PORT1_CTRL 0x374
#define PORT1_POWER (3 << 3)
#define PORT1_INIT1 (1 << 7)
#define PORT1_INIT2 (1 << 23)
#define HW_OTG_CTRL_SET 0x374
#define HW_OTG_CTRL_CLR 0x376
#define HW_OTG_DISABLE (1 << 10)
#define HW_OTG_SE0_EN (1 << 9)
#define HW_BDIS_ACON_EN (1 << 8)
#define HW_SW_SEL_HC_DC (1 << 7)
#define HW_VBUS_CHRG (1 << 6)
#define HW_VBUS_DISCHRG (1 << 5)
#define HW_VBUS_DRV (1 << 4)
#define HW_SEL_CP_EXT (1 << 3)
#define HW_DM_PULLDOWN (1 << 2)
#define HW_DP_PULLDOWN (1 << 1)
#define HW_DP_PULLUP (1 << 0)
/* Interrupt Register */
#define HC_INTERRUPT_REG 0x310
#define HC_INTERRUPT_ENABLE 0x314
#define HC_ISO_INT (1 << 9)
#define HC_ATL_INT (1 << 8)
#define HC_INTL_INT (1 << 7)
#define HC_EOT_INT (1 << 3)
#define HC_SOT_INT (1 << 1)
#define INTERRUPT_ENABLE_MASK (HC_INTL_INT | HC_ATL_INT)
#define HC_ISO_IRQ_MASK_OR_REG 0x318
#define HC_INT_IRQ_MASK_OR_REG 0x31c
#define HC_ATL_IRQ_MASK_OR_REG 0x320
#define HC_ISO_IRQ_MASK_AND_REG 0x324
#define HC_INT_IRQ_MASK_AND_REG 0x328
#define HC_ATL_IRQ_MASK_AND_REG 0x32c
/* -----------------------------------------------------------------------------
* Peripheral Controller
*/
/* Initialization Registers */
#define DC_ADDRESS 0x0200
#define DC_DEVEN (1 << 7)
#define DC_MODE 0x020c
#define DC_DMACLKON (1 << 9)
#define DC_VBUSSTAT (1 << 8)
#define DC_CLKAON (1 << 7)
#define DC_SNDRSU (1 << 6)
#define DC_GOSUSP (1 << 5)
#define DC_SFRESET (1 << 4)
#define DC_GLINTENA (1 << 3)
#define DC_WKUPCS (1 << 2)
#define DC_INTCONF 0x0210
#define DC_CDBGMOD_ACK_NAK (0 << 6)
#define DC_CDBGMOD_ACK (1 << 6)
#define DC_CDBGMOD_ACK_1NAK (2 << 6)
#define DC_DDBGMODIN_ACK_NAK (0 << 4)
#define DC_DDBGMODIN_ACK (1 << 4)
#define DC_DDBGMODIN_ACK_1NAK (2 << 4)
#define DC_DDBGMODOUT_ACK_NYET_NAK (0 << 2)
#define DC_DDBGMODOUT_ACK_NYET (1 << 2)
#define DC_DDBGMODOUT_ACK_NYET_1NAK (2 << 2)
#define DC_INTLVL (1 << 1)
#define DC_INTPOL (1 << 0)
#define DC_DEBUG 0x0212
#define DC_INTENABLE 0x0214
#define DC_IEPTX(n) (1 << (11 + 2 * (n)))
#define DC_IEPRX(n) (1 << (10 + 2 * (n)))
#define DC_IEPRXTX(n) (3 << (10 + 2 * (n)))
#define DC_IEP0SETUP (1 << 8)
#define DC_IEVBUS (1 << 7)
#define DC_IEDMA (1 << 6)
#define DC_IEHS_STA (1 << 5)
#define DC_IERESM (1 << 4)
#define DC_IESUSP (1 << 3)
#define DC_IEPSOF (1 << 2)
#define DC_IESOF (1 << 1)
#define DC_IEBRST (1 << 0)
/* Data Flow Registers */
#define DC_EPINDEX 0x022c
#define DC_EP0SETUP (1 << 5)
#define DC_ENDPIDX(n) ((n) << 1)
#define DC_EPDIR (1 << 0)
#define DC_CTRLFUNC 0x0228
#define DC_CLBUF (1 << 4)
#define DC_VENDP (1 << 3)
#define DC_DSEN (1 << 2)
#define DC_STATUS (1 << 1)
#define DC_STALL (1 << 0)
#define DC_DATAPORT 0x0220
#define DC_BUFLEN 0x021c
#define DC_DATACOUNT_MASK 0xffff
#define DC_BUFSTAT 0x021e
#define DC_EPMAXPKTSZ 0x0204
#define DC_EPTYPE 0x0208
#define DC_NOEMPKT (1 << 4)
#define DC_EPENABLE (1 << 3)
#define DC_DBLBUF (1 << 2)
#define DC_ENDPTYP_ISOC (1 << 0)
#define DC_ENDPTYP_BULK (2 << 0)
#define DC_ENDPTYP_INTERRUPT (3 << 0)
/* DMA Registers */
#define DC_DMACMD 0x0230
#define DC_DMATXCOUNT 0x0234
#define DC_DMACONF 0x0238
#define DC_DMAHW 0x023c
#define DC_DMAINTREASON 0x0250
#define DC_DMAINTEN 0x0254
#define DC_DMAEP 0x0258
#define DC_DMABURSTCOUNT 0x0264
/* General Registers */
#define DC_INTERRUPT 0x0218
#define DC_CHIPID 0x0270
#define DC_FRAMENUM 0x0274
#define DC_SCRATCH 0x0278
#define DC_UNLOCKDEV 0x027c
#define DC_INTPULSEWIDTH 0x0280
#define DC_TESTMODE 0x0284
#endif
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