diff options
Diffstat (limited to 'drivers/usb/host/imx21-hcd.h')
-rw-r--r-- | drivers/usb/host/imx21-hcd.h | 431 |
1 files changed, 0 insertions, 431 deletions
diff --git a/drivers/usb/host/imx21-hcd.h b/drivers/usb/host/imx21-hcd.h deleted file mode 100644 index 96d16752a73e..000000000000 --- a/drivers/usb/host/imx21-hcd.h +++ /dev/null @@ -1,431 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0+ */ -/* - * Macros and prototypes for i.MX21 - * - * Copyright (C) 2006 Loping Dog Embedded Systems - * Copyright (C) 2009 Martin Fuzzey - * Originally written by Jay Monkman <jtm@lopingdog.com> - * Ported to 2.6.30, debugged and enhanced by Martin Fuzzey - */ - -#ifndef __LINUX_IMX21_HCD_H__ -#define __LINUX_IMX21_HCD_H__ - -#ifdef CONFIG_DYNAMIC_DEBUG -#define DEBUG -#endif - -#include <linux/platform_data/usb-mx2.h> - -#define NUM_ISO_ETDS 2 -#define USB_NUM_ETD 32 -#define DMEM_SIZE 4096 - -/* Register definitions */ -#define USBOTG_HWMODE 0x00 -#define USBOTG_HWMODE_ANASDBEN (1 << 14) -#define USBOTG_HWMODE_OTGXCVR_SHIFT 6 -#define USBOTG_HWMODE_OTGXCVR_MASK (3 << 6) -#define USBOTG_HWMODE_OTGXCVR_TD_RD (0 << 6) -#define USBOTG_HWMODE_OTGXCVR_TS_RD (2 << 6) -#define USBOTG_HWMODE_OTGXCVR_TD_RS (1 << 6) -#define USBOTG_HWMODE_OTGXCVR_TS_RS (3 << 6) -#define USBOTG_HWMODE_HOSTXCVR_SHIFT 4 -#define USBOTG_HWMODE_HOSTXCVR_MASK (3 << 4) -#define USBOTG_HWMODE_HOSTXCVR_TD_RD (0 << 4) -#define USBOTG_HWMODE_HOSTXCVR_TS_RD (2 << 4) -#define USBOTG_HWMODE_HOSTXCVR_TD_RS (1 << 4) -#define USBOTG_HWMODE_HOSTXCVR_TS_RS (3 << 4) -#define USBOTG_HWMODE_CRECFG_MASK (3 << 0) -#define USBOTG_HWMODE_CRECFG_HOST (1 << 0) -#define USBOTG_HWMODE_CRECFG_FUNC (2 << 0) -#define USBOTG_HWMODE_CRECFG_HNP (3 << 0) - -#define USBOTG_CINT_STAT 0x04 -#define USBOTG_CINT_STEN 0x08 -#define USBOTG_ASHNPINT (1 << 5) -#define USBOTG_ASFCINT (1 << 4) -#define USBOTG_ASHCINT (1 << 3) -#define USBOTG_SHNPINT (1 << 2) -#define USBOTG_FCINT (1 << 1) -#define USBOTG_HCINT (1 << 0) - -#define USBOTG_CLK_CTRL 0x0c -#define USBOTG_CLK_CTRL_FUNC (1 << 2) -#define USBOTG_CLK_CTRL_HST (1 << 1) -#define USBOTG_CLK_CTRL_MAIN (1 << 0) - -#define USBOTG_RST_CTRL 0x10 -#define USBOTG_RST_RSTI2C (1 << 15) -#define USBOTG_RST_RSTCTRL (1 << 5) -#define USBOTG_RST_RSTFC (1 << 4) -#define USBOTG_RST_RSTFSKE (1 << 3) -#define USBOTG_RST_RSTRH (1 << 2) -#define USBOTG_RST_RSTHSIE (1 << 1) -#define USBOTG_RST_RSTHC (1 << 0) - -#define USBOTG_FRM_INTVL 0x14 -#define USBOTG_FRM_REMAIN 0x18 -#define USBOTG_HNP_CSR 0x1c -#define USBOTG_HNP_ISR 0x2c -#define USBOTG_HNP_IEN 0x30 - -#define USBOTG_I2C_TXCVR_REG(x) (0x100 + (x)) -#define USBOTG_I2C_XCVR_DEVAD 0x118 -#define USBOTG_I2C_SEQ_OP_REG 0x119 -#define USBOTG_I2C_SEQ_RD_STARTAD 0x11a -#define USBOTG_I2C_OP_CTRL_REG 0x11b -#define USBOTG_I2C_SCLK_TO_SCK_HPER 0x11e -#define USBOTG_I2C_MASTER_INT_REG 0x11f - -#define USBH_HOST_CTRL 0x80 -#define USBH_HOST_CTRL_HCRESET (1 << 31) -#define USBH_HOST_CTRL_SCHDOVR(x) ((x) << 16) -#define USBH_HOST_CTRL_RMTWUEN (1 << 4) -#define USBH_HOST_CTRL_HCUSBSTE_RESET (0 << 2) -#define USBH_HOST_CTRL_HCUSBSTE_RESUME (1 << 2) -#define USBH_HOST_CTRL_HCUSBSTE_OPERATIONAL (2 << 2) -#define USBH_HOST_CTRL_HCUSBSTE_SUSPEND (3 << 2) -#define USBH_HOST_CTRL_CTLBLKSR_1 (0 << 0) -#define USBH_HOST_CTRL_CTLBLKSR_2 (1 << 0) -#define USBH_HOST_CTRL_CTLBLKSR_3 (2 << 0) -#define USBH_HOST_CTRL_CTLBLKSR_4 (3 << 0) - -#define USBH_SYSISR 0x88 -#define USBH_SYSISR_PSCINT (1 << 6) -#define USBH_SYSISR_FMOFINT (1 << 5) -#define USBH_SYSISR_HERRINT (1 << 4) -#define USBH_SYSISR_RESDETINT (1 << 3) -#define USBH_SYSISR_SOFINT (1 << 2) -#define USBH_SYSISR_DONEINT (1 << 1) -#define USBH_SYSISR_SORINT (1 << 0) - -#define USBH_SYSIEN 0x8c -#define USBH_SYSIEN_PSCINT (1 << 6) -#define USBH_SYSIEN_FMOFINT (1 << 5) -#define USBH_SYSIEN_HERRINT (1 << 4) -#define USBH_SYSIEN_RESDETINT (1 << 3) -#define USBH_SYSIEN_SOFINT (1 << 2) -#define USBH_SYSIEN_DONEINT (1 << 1) -#define USBH_SYSIEN_SORINT (1 << 0) - -#define USBH_XBUFSTAT 0x98 -#define USBH_YBUFSTAT 0x9c -#define USBH_XYINTEN 0xa0 -#define USBH_XFILLSTAT 0xa8 -#define USBH_YFILLSTAT 0xac -#define USBH_ETDENSET 0xc0 -#define USBH_ETDENCLR 0xc4 -#define USBH_IMMEDINT 0xcc -#define USBH_ETDDONESTAT 0xd0 -#define USBH_ETDDONEEN 0xd4 -#define USBH_FRMNUB 0xe0 -#define USBH_LSTHRESH 0xe4 - -#define USBH_ROOTHUBA 0xe8 -#define USBH_ROOTHUBA_PWRTOGOOD_MASK (0xff) -#define USBH_ROOTHUBA_PWRTOGOOD_SHIFT (24) -#define USBH_ROOTHUBA_NOOVRCURP (1 << 12) -#define USBH_ROOTHUBA_OVRCURPM (1 << 11) -#define USBH_ROOTHUBA_DEVTYPE (1 << 10) -#define USBH_ROOTHUBA_PWRSWTMD (1 << 9) -#define USBH_ROOTHUBA_NOPWRSWT (1 << 8) -#define USBH_ROOTHUBA_NDNSTMPRT_MASK (0xff) - -#define USBH_ROOTHUBB 0xec -#define USBH_ROOTHUBB_PRTPWRCM(x) (1 << ((x) + 16)) -#define USBH_ROOTHUBB_DEVREMOVE(x) (1 << (x)) - -#define USBH_ROOTSTAT 0xf0 -#define USBH_ROOTSTAT_CLRRMTWUE (1 << 31) -#define USBH_ROOTSTAT_OVRCURCHG (1 << 17) -#define USBH_ROOTSTAT_DEVCONWUE (1 << 15) -#define USBH_ROOTSTAT_OVRCURI (1 << 1) -#define USBH_ROOTSTAT_LOCPWRS (1 << 0) - -#define USBH_PORTSTAT(x) (0xf4 + ((x) * 4)) -#define USBH_PORTSTAT_PRTRSTSC (1 << 20) -#define USBH_PORTSTAT_OVRCURIC (1 << 19) -#define USBH_PORTSTAT_PRTSTATSC (1 << 18) -#define USBH_PORTSTAT_PRTENBLSC (1 << 17) -#define USBH_PORTSTAT_CONNECTSC (1 << 16) -#define USBH_PORTSTAT_LSDEVCON (1 << 9) -#define USBH_PORTSTAT_PRTPWRST (1 << 8) -#define USBH_PORTSTAT_PRTRSTST (1 << 4) -#define USBH_PORTSTAT_PRTOVRCURI (1 << 3) -#define USBH_PORTSTAT_PRTSUSPST (1 << 2) -#define USBH_PORTSTAT_PRTENABST (1 << 1) -#define USBH_PORTSTAT_CURCONST (1 << 0) - -#define USB_DMAREV 0x800 -#define USB_DMAINTSTAT 0x804 -#define USB_DMAINTSTAT_EPERR (1 << 1) -#define USB_DMAINTSTAT_ETDERR (1 << 0) - -#define USB_DMAINTEN 0x808 -#define USB_DMAINTEN_EPERRINTEN (1 << 1) -#define USB_DMAINTEN_ETDERRINTEN (1 << 0) - -#define USB_ETDDMAERSTAT 0x80c -#define USB_EPDMAERSTAT 0x810 -#define USB_ETDDMAEN 0x820 -#define USB_EPDMAEN 0x824 -#define USB_ETDDMAXTEN 0x828 -#define USB_EPDMAXTEN 0x82c -#define USB_ETDDMAENXYT 0x830 -#define USB_EPDMAENXYT 0x834 -#define USB_ETDDMABST4EN 0x838 -#define USB_EPDMABST4EN 0x83c - -#define USB_MISCCONTROL 0x840 -#define USB_MISCCONTROL_ISOPREVFRM (1 << 3) -#define USB_MISCCONTROL_SKPRTRY (1 << 2) -#define USB_MISCCONTROL_ARBMODE (1 << 1) -#define USB_MISCCONTROL_FILTCC (1 << 0) - -#define USB_ETDDMACHANLCLR 0x848 -#define USB_EPDMACHANLCLR 0x84c -#define USB_ETDSMSA(x) (0x900 + ((x) * 4)) -#define USB_EPSMSA(x) (0x980 + ((x) * 4)) -#define USB_ETDDMABUFPTR(x) (0xa00 + ((x) * 4)) -#define USB_EPDMABUFPTR(x) (0xa80 + ((x) * 4)) - -#define USB_ETD_DWORD(x, w) (0x200 + ((x) * 16) + ((w) * 4)) -#define DW0_ADDRESS 0 -#define DW0_ENDPNT 7 -#define DW0_DIRECT 11 -#define DW0_SPEED 13 -#define DW0_FORMAT 14 -#define DW0_MAXPKTSIZ 16 -#define DW0_HALTED 27 -#define DW0_TOGCRY 28 -#define DW0_SNDNAK 30 - -#define DW1_XBUFSRTAD 0 -#define DW1_YBUFSRTAD 16 - -#define DW2_RTRYDELAY 0 -#define DW2_POLINTERV 0 -#define DW2_STARTFRM 0 -#define DW2_RELPOLPOS 8 -#define DW2_DIRPID 16 -#define DW2_BUFROUND 18 -#define DW2_DELAYINT 19 -#define DW2_DATATOG 22 -#define DW2_ERRORCNT 24 -#define DW2_COMPCODE 28 - -#define DW3_TOTBYECNT 0 -#define DW3_PKTLEN0 0 -#define DW3_COMPCODE0 12 -#define DW3_PKTLEN1 16 -#define DW3_BUFSIZE 21 -#define DW3_COMPCODE1 28 - -#define USBCTRL 0x600 -#define USBCTRL_I2C_WU_INT_STAT (1 << 27) -#define USBCTRL_OTG_WU_INT_STAT (1 << 26) -#define USBCTRL_HOST_WU_INT_STAT (1 << 25) -#define USBCTRL_FNT_WU_INT_STAT (1 << 24) -#define USBCTRL_I2C_WU_INT_EN (1 << 19) -#define USBCTRL_OTG_WU_INT_EN (1 << 18) -#define USBCTRL_HOST_WU_INT_EN (1 << 17) -#define USBCTRL_FNT_WU_INT_EN (1 << 16) -#define USBCTRL_OTC_RCV_RXDP (1 << 13) -#define USBCTRL_HOST1_BYP_TLL (1 << 12) -#define USBCTRL_OTG_BYP_VAL(x) ((x) << 10) -#define USBCTRL_HOST1_BYP_VAL(x) ((x) << 8) -#define USBCTRL_OTG_PWR_MASK (1 << 6) -#define USBCTRL_HOST1_PWR_MASK (1 << 5) -#define USBCTRL_HOST2_PWR_MASK (1 << 4) -#define USBCTRL_USB_BYP (1 << 2) -#define USBCTRL_HOST1_TXEN_OE (1 << 1) - -#define USBOTG_DMEM 0x1000 - -/* Values in TD blocks */ -#define TD_DIR_SETUP 0 -#define TD_DIR_OUT 1 -#define TD_DIR_IN 2 -#define TD_FORMAT_CONTROL 0 -#define TD_FORMAT_ISO 1 -#define TD_FORMAT_BULK 2 -#define TD_FORMAT_INT 3 -#define TD_TOGGLE_CARRY 0 -#define TD_TOGGLE_DATA0 2 -#define TD_TOGGLE_DATA1 3 - -/* control transfer states */ -#define US_CTRL_SETUP 2 -#define US_CTRL_DATA 1 -#define US_CTRL_ACK 0 - -/* bulk transfer main state and 0-length packet */ -#define US_BULK 1 -#define US_BULK0 0 - -/*ETD format description*/ -#define IMX_FMT_CTRL 0x0 -#define IMX_FMT_ISO 0x1 -#define IMX_FMT_BULK 0x2 -#define IMX_FMT_INT 0x3 - -static char fmt_urb_to_etd[4] = { -/*PIPE_ISOCHRONOUS*/ IMX_FMT_ISO, -/*PIPE_INTERRUPT*/ IMX_FMT_INT, -/*PIPE_CONTROL*/ IMX_FMT_CTRL, -/*PIPE_BULK*/ IMX_FMT_BULK -}; - -/* condition (error) CC codes and mapping (OHCI like) */ - -#define TD_CC_NOERROR 0x00 -#define TD_CC_CRC 0x01 -#define TD_CC_BITSTUFFING 0x02 -#define TD_CC_DATATOGGLEM 0x03 -#define TD_CC_STALL 0x04 -#define TD_DEVNOTRESP 0x05 -#define TD_PIDCHECKFAIL 0x06 -/*#define TD_UNEXPECTEDPID 0x07 - reserved, not active on MX2*/ -#define TD_DATAOVERRUN 0x08 -#define TD_DATAUNDERRUN 0x09 -#define TD_BUFFEROVERRUN 0x0C -#define TD_BUFFERUNDERRUN 0x0D -#define TD_SCHEDULEOVERRUN 0x0E -#define TD_NOTACCESSED 0x0F - -static const int cc_to_error[16] = { - /* No Error */ 0, - /* CRC Error */ -EILSEQ, - /* Bit Stuff */ -EPROTO, - /* Data Togg */ -EILSEQ, - /* Stall */ -EPIPE, - /* DevNotResp */ -ETIMEDOUT, - /* PIDCheck */ -EPROTO, - /* UnExpPID */ -EPROTO, - /* DataOver */ -EOVERFLOW, - /* DataUnder */ -EREMOTEIO, - /* (for hw) */ -EIO, - /* (for hw) */ -EIO, - /* BufferOver */ -ECOMM, - /* BuffUnder */ -ENOSR, - /* (for HCD) */ -ENOSPC, - /* (for HCD) */ -EALREADY -}; - -/* HCD data associated with a usb core URB */ -struct urb_priv { - struct urb *urb; - struct usb_host_endpoint *ep; - int active; - int state; - struct td *isoc_td; - int isoc_remaining; - int isoc_status; -}; - -/* HCD data associated with a usb core endpoint */ -struct ep_priv { - struct usb_host_endpoint *ep; - struct list_head td_list; - struct list_head queue; - int etd[NUM_ISO_ETDS]; - int waiting_etd; -}; - -/* isoc packet */ -struct td { - struct list_head list; - struct urb *urb; - struct usb_host_endpoint *ep; - dma_addr_t dma_handle; - void *cpu_buffer; - int len; - int frame; - int isoc_index; -}; - -/* HCD data associated with a hardware ETD */ -struct etd_priv { - struct usb_host_endpoint *ep; - struct urb *urb; - struct td *td; - struct list_head queue; - dma_addr_t dma_handle; - void *cpu_buffer; - void *bounce_buffer; - int alloc; - int len; - int dmem_size; - int dmem_offset; - int active_count; -#ifdef DEBUG - int activated_frame; - int disactivated_frame; - int last_int_frame; - int last_req_frame; - u32 submitted_dwords[4]; -#endif -}; - -/* Hardware data memory info */ -struct imx21_dmem_area { - struct usb_host_endpoint *ep; - unsigned int offset; - unsigned int size; - struct list_head list; -}; - -#ifdef DEBUG -struct debug_usage_stats { - unsigned int value; - unsigned int maximum; -}; - -struct debug_stats { - unsigned long submitted; - unsigned long completed_ok; - unsigned long completed_failed; - unsigned long unlinked; - unsigned long queue_etd; - unsigned long queue_dmem; -}; - -struct debug_isoc_trace { - int schedule_frame; - int submit_frame; - int request_len; - int done_frame; - int done_len; - int cc; - struct td *td; -}; -#endif - -/* HCD data structure */ -struct imx21 { - spinlock_t lock; - struct device *dev; - struct usb_hcd *hcd; - struct mx21_usbh_platform_data *pdata; - struct list_head dmem_list; - struct list_head queue_for_etd; /* eps queued due to etd shortage */ - struct list_head queue_for_dmem; /* etds queued due to dmem shortage */ - struct etd_priv etd[USB_NUM_ETD]; - struct clk *clk; - void __iomem *regs; -#ifdef DEBUG - struct dentry *debug_root; - struct debug_stats nonisoc_stats; - struct debug_stats isoc_stats; - struct debug_usage_stats etd_usage; - struct debug_usage_stats dmem_usage; - struct debug_isoc_trace isoc_trace[20]; - struct debug_isoc_trace isoc_trace_failed[20]; - unsigned long debug_unblocks; - int isoc_trace_index; - int isoc_trace_index_failed; -#endif -}; - -#endif |