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freebsd-dev/sys/dev/usb/controller/xhci.h
Hans Petter Selasky c5390e5ab4 Fix regression issue with XHCI on 32-bit ARMv7 Armada-38x. Make sure 
"struct xhci_dev_ctx_addr" fits into a single 4K page until further.

Approved by:	re (hrs)
MFC after:	1 week
2016-07-06 10:57:04 +00:00

534 lines
18 KiB
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/* $FreeBSD$ */
/*-
* Copyright (c) 2010 Hans Petter Selasky. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _XHCI_H_
#define _XHCI_H_
#define XHCI_MAX_DEVICES MIN(USB_MAX_DEVICES, 128)
#define XHCI_MAX_ENDPOINTS 32 /* hardcoded - do not change */
#define XHCI_MAX_SCRATCHPADS 256 /* theoretical max is 1023 */
#define XHCI_MAX_EVENTS (16 * 13)
#define XHCI_MAX_COMMANDS (16 * 1)
#define XHCI_MAX_RSEG 1
#define XHCI_MAX_TRANSFERS 4
#if USB_MAX_EP_STREAMS == 8
#define XHCI_MAX_STREAMS 8
#define XHCI_MAX_STREAMS_LOG 3
#elif USB_MAX_EP_STREAMS == 1
#define XHCI_MAX_STREAMS 1
#define XHCI_MAX_STREAMS_LOG 0
#else
#error "The USB_MAX_EP_STREAMS value is not supported."
#endif
#define XHCI_DEV_CTX_ADDR_ALIGN 64 /* bytes */
#define XHCI_DEV_CTX_ALIGN 64 /* bytes */
#define XHCI_INPUT_CTX_ALIGN 64 /* bytes */
#define XHCI_SLOT_CTX_ALIGN 32 /* bytes */
#define XHCI_ENDP_CTX_ALIGN 32 /* bytes */
#define XHCI_STREAM_CTX_ALIGN 16 /* bytes */
#define XHCI_TRANS_RING_SEG_ALIGN 16 /* bytes */
#define XHCI_CMD_RING_SEG_ALIGN 64 /* bytes */
#define XHCI_EVENT_RING_SEG_ALIGN 64 /* bytes */
#define XHCI_SCRATCH_BUF_ARRAY_ALIGN 64 /* bytes */
#define XHCI_SCRATCH_BUFFER_ALIGN USB_PAGE_SIZE
#define XHCI_TRB_ALIGN 16 /* bytes */
#define XHCI_TD_ALIGN 64 /* bytes */
#define XHCI_PAGE_SIZE 4096 /* bytes */
struct xhci_dev_ctx_addr {
volatile uint64_t qwBaaDevCtxAddr[USB_MAX_DEVICES + 1];
struct {
volatile uint64_t dummy;
} __aligned(64) padding;
volatile uint64_t qwSpBufPtr[XHCI_MAX_SCRATCHPADS];
};
#define XHCI_EPNO2EPID(x) \
((((x) & UE_DIR_IN) ? 1 : 0) | (2 * ((x) & UE_ADDR)))
struct xhci_slot_ctx {
volatile uint32_t dwSctx0;
#define XHCI_SCTX_0_ROUTE_SET(x) ((x) & 0xFFFFF)
#define XHCI_SCTX_0_ROUTE_GET(x) ((x) & 0xFFFFF)
#define XHCI_SCTX_0_SPEED_SET(x) (((x) & 0xF) << 20)
#define XHCI_SCTX_0_SPEED_GET(x) (((x) >> 20) & 0xF)
#define XHCI_SCTX_0_MTT_SET(x) (((x) & 0x1) << 25)
#define XHCI_SCTX_0_MTT_GET(x) (((x) >> 25) & 0x1)
#define XHCI_SCTX_0_HUB_SET(x) (((x) & 0x1) << 26)
#define XHCI_SCTX_0_HUB_GET(x) (((x) >> 26) & 0x1)
#define XHCI_SCTX_0_CTX_NUM_SET(x) (((x) & 0x1F) << 27)
#define XHCI_SCTX_0_CTX_NUM_GET(x) (((x) >> 27) & 0x1F)
volatile uint32_t dwSctx1;
#define XHCI_SCTX_1_MAX_EL_SET(x) ((x) & 0xFFFF)
#define XHCI_SCTX_1_MAX_EL_GET(x) ((x) & 0xFFFF)
#define XHCI_SCTX_1_RH_PORT_SET(x) (((x) & 0xFF) << 16)
#define XHCI_SCTX_1_RH_PORT_GET(x) (((x) >> 16) & 0xFF)
#define XHCI_SCTX_1_NUM_PORTS_SET(x) (((x) & 0xFF) << 24)
#define XHCI_SCTX_1_NUM_PORTS_GET(x) (((x) >> 24) & 0xFF)
volatile uint32_t dwSctx2;
#define XHCI_SCTX_2_TT_HUB_SID_SET(x) ((x) & 0xFF)
#define XHCI_SCTX_2_TT_HUB_SID_GET(x) ((x) & 0xFF)
#define XHCI_SCTX_2_TT_PORT_NUM_SET(x) (((x) & 0xFF) << 8)
#define XHCI_SCTX_2_TT_PORT_NUM_GET(x) (((x) >> 8) & 0xFF)
#define XHCI_SCTX_2_TT_THINK_TIME_SET(x) (((x) & 0x3) << 16)
#define XHCI_SCTX_2_TT_THINK_TIME_GET(x) (((x) >> 16) & 0x3)
#define XHCI_SCTX_2_IRQ_TARGET_SET(x) (((x) & 0x3FF) << 22)
#define XHCI_SCTX_2_IRQ_TARGET_GET(x) (((x) >> 22) & 0x3FF)
volatile uint32_t dwSctx3;
#define XHCI_SCTX_3_DEV_ADDR_SET(x) ((x) & 0xFF)
#define XHCI_SCTX_3_DEV_ADDR_GET(x) ((x) & 0xFF)
#define XHCI_SCTX_3_SLOT_STATE_SET(x) (((x) & 0x1F) << 27)
#define XHCI_SCTX_3_SLOT_STATE_GET(x) (((x) >> 27) & 0x1F)
volatile uint32_t dwSctx4;
volatile uint32_t dwSctx5;
volatile uint32_t dwSctx6;
volatile uint32_t dwSctx7;
};
struct xhci_endp_ctx {
volatile uint32_t dwEpCtx0;
#define XHCI_EPCTX_0_EPSTATE_SET(x) ((x) & 0x7)
#define XHCI_EPCTX_0_EPSTATE_GET(x) ((x) & 0x7)
#define XHCI_EPCTX_0_MULT_SET(x) (((x) & 0x3) << 8)
#define XHCI_EPCTX_0_MULT_GET(x) (((x) >> 8) & 0x3)
#define XHCI_EPCTX_0_MAXP_STREAMS_SET(x) (((x) & 0x1F) << 10)
#define XHCI_EPCTX_0_MAXP_STREAMS_GET(x) (((x) >> 10) & 0x1F)
#define XHCI_EPCTX_0_LSA_SET(x) (((x) & 0x1) << 15)
#define XHCI_EPCTX_0_LSA_GET(x) (((x) >> 15) & 0x1)
#define XHCI_EPCTX_0_IVAL_SET(x) (((x) & 0xFF) << 16)
#define XHCI_EPCTX_0_IVAL_GET(x) (((x) >> 16) & 0xFF)
volatile uint32_t dwEpCtx1;
#define XHCI_EPCTX_1_CERR_SET(x) (((x) & 0x3) << 1)
#define XHCI_EPCTX_1_CERR_GET(x) (((x) >> 1) & 0x3)
#define XHCI_EPCTX_1_EPTYPE_SET(x) (((x) & 0x7) << 3)
#define XHCI_EPCTX_1_EPTYPE_GET(x) (((x) >> 3) & 0x7)
#define XHCI_EPCTX_1_HID_SET(x) (((x) & 0x1) << 7)
#define XHCI_EPCTX_1_HID_GET(x) (((x) >> 7) & 0x1)
#define XHCI_EPCTX_1_MAXB_SET(x) (((x) & 0xFF) << 8)
#define XHCI_EPCTX_1_MAXB_GET(x) (((x) >> 8) & 0xFF)
#define XHCI_EPCTX_1_MAXP_SIZE_SET(x) (((x) & 0xFFFF) << 16)
#define XHCI_EPCTX_1_MAXP_SIZE_GET(x) (((x) >> 16) & 0xFFFF)
volatile uint64_t qwEpCtx2;
#define XHCI_EPCTX_2_DCS_SET(x) ((x) & 0x1)
#define XHCI_EPCTX_2_DCS_GET(x) ((x) & 0x1)
#define XHCI_EPCTX_2_TR_DQ_PTR_MASK 0xFFFFFFFFFFFFFFF0U
volatile uint32_t dwEpCtx4;
#define XHCI_EPCTX_4_AVG_TRB_LEN_SET(x) ((x) & 0xFFFF)
#define XHCI_EPCTX_4_AVG_TRB_LEN_GET(x) ((x) & 0xFFFF)
#define XHCI_EPCTX_4_MAX_ESIT_PAYLOAD_SET(x) (((x) & 0xFFFF) << 16)
#define XHCI_EPCTX_4_MAX_ESIT_PAYLOAD_GET(x) (((x) >> 16) & 0xFFFF)
volatile uint32_t dwEpCtx5;
volatile uint32_t dwEpCtx6;
volatile uint32_t dwEpCtx7;
};
struct xhci_input_ctx {
#define XHCI_INCTX_NON_CTRL_MASK 0xFFFFFFFCU
volatile uint32_t dwInCtx0;
#define XHCI_INCTX_0_DROP_MASK(n) (1U << (n))
volatile uint32_t dwInCtx1;
#define XHCI_INCTX_1_ADD_MASK(n) (1U << (n))
volatile uint32_t dwInCtx2;
volatile uint32_t dwInCtx3;
volatile uint32_t dwInCtx4;
volatile uint32_t dwInCtx5;
volatile uint32_t dwInCtx6;
volatile uint32_t dwInCtx7;
};
struct xhci_input_dev_ctx {
struct xhci_input_ctx ctx_input;
struct xhci_slot_ctx ctx_slot;
struct xhci_endp_ctx ctx_ep[XHCI_MAX_ENDPOINTS - 1];
};
struct xhci_dev_ctx {
struct xhci_slot_ctx ctx_slot;
struct xhci_endp_ctx ctx_ep[XHCI_MAX_ENDPOINTS - 1];
} __aligned(XHCI_DEV_CTX_ALIGN);
struct xhci_stream_ctx {
volatile uint64_t qwSctx0;
#define XHCI_SCTX_0_DCS_GET(x) ((x) & 0x1)
#define XHCI_SCTX_0_DCS_SET(x) ((x) & 0x1)
#define XHCI_SCTX_0_SCT_SET(x) (((x) & 0x7) << 1)
#define XHCI_SCTX_0_SCT_GET(x) (((x) >> 1) & 0x7)
#define XHCI_SCTX_0_SCT_SEC_TR_RING 0x0
#define XHCI_SCTX_0_SCT_PRIM_TR_RING 0x1
#define XHCI_SCTX_0_SCT_PRIM_SSA_8 0x2
#define XHCI_SCTX_0_SCT_PRIM_SSA_16 0x3
#define XHCI_SCTX_0_SCT_PRIM_SSA_32 0x4
#define XHCI_SCTX_0_SCT_PRIM_SSA_64 0x5
#define XHCI_SCTX_0_SCT_PRIM_SSA_128 0x6
#define XHCI_SCTX_0_SCT_PRIM_SSA_256 0x7
#define XHCI_SCTX_0_TR_DQ_PTR_MASK 0xFFFFFFFFFFFFFFF0U
volatile uint32_t dwSctx2;
volatile uint32_t dwSctx3;
};
struct xhci_trb {
volatile uint64_t qwTrb0;
#define XHCI_TRB_0_DIR_IN_MASK (0x80ULL << 0)
#define XHCI_TRB_0_WLENGTH_MASK (0xFFFFULL << 48)
volatile uint32_t dwTrb2;
#define XHCI_TRB_2_ERROR_GET(x) (((x) >> 24) & 0xFF)
#define XHCI_TRB_2_ERROR_SET(x) (((x) & 0xFF) << 24)
#define XHCI_TRB_2_TDSZ_GET(x) (((x) >> 17) & 0x1F)
#define XHCI_TRB_2_TDSZ_SET(x) (((x) & 0x1F) << 17)
#define XHCI_TRB_2_REM_GET(x) ((x) & 0xFFFFFF)
#define XHCI_TRB_2_REM_SET(x) ((x) & 0xFFFFFF)
#define XHCI_TRB_2_BYTES_GET(x) ((x) & 0x1FFFF)
#define XHCI_TRB_2_BYTES_SET(x) ((x) & 0x1FFFF)
#define XHCI_TRB_2_IRQ_GET(x) (((x) >> 22) & 0x3FF)
#define XHCI_TRB_2_IRQ_SET(x) (((x) & 0x3FF) << 22)
#define XHCI_TRB_2_STREAM_GET(x) (((x) >> 16) & 0xFFFF)
#define XHCI_TRB_2_STREAM_SET(x) (((x) & 0xFFFF) << 16)
volatile uint32_t dwTrb3;
#define XHCI_TRB_3_TYPE_GET(x) (((x) >> 10) & 0x3F)
#define XHCI_TRB_3_TYPE_SET(x) (((x) & 0x3F) << 10)
#define XHCI_TRB_3_CYCLE_BIT (1U << 0)
#define XHCI_TRB_3_TC_BIT (1U << 1) /* command ring only */
#define XHCI_TRB_3_ENT_BIT (1U << 1) /* transfer ring only */
#define XHCI_TRB_3_ISP_BIT (1U << 2)
#define XHCI_TRB_3_NSNOOP_BIT (1U << 3)
#define XHCI_TRB_3_CHAIN_BIT (1U << 4)
#define XHCI_TRB_3_IOC_BIT (1U << 5)
#define XHCI_TRB_3_IDT_BIT (1U << 6)
#define XHCI_TRB_3_TBC_GET(x) (((x) >> 7) & 3)
#define XHCI_TRB_3_TBC_SET(x) (((x) & 3) << 7)
#define XHCI_TRB_3_BEI_BIT (1U << 9)
#define XHCI_TRB_3_DCEP_BIT (1U << 9)
#define XHCI_TRB_3_PRSV_BIT (1U << 9)
#define XHCI_TRB_3_BSR_BIT (1U << 9)
#define XHCI_TRB_3_TRT_MASK (3U << 16)
#define XHCI_TRB_3_TRT_NONE (0U << 16)
#define XHCI_TRB_3_TRT_OUT (2U << 16)
#define XHCI_TRB_3_TRT_IN (3U << 16)
#define XHCI_TRB_3_DIR_IN (1U << 16)
#define XHCI_TRB_3_TLBPC_GET(x) (((x) >> 16) & 0xF)
#define XHCI_TRB_3_TLBPC_SET(x) (((x) & 0xF) << 16)
#define XHCI_TRB_3_EP_GET(x) (((x) >> 16) & 0x1F)
#define XHCI_TRB_3_EP_SET(x) (((x) & 0x1F) << 16)
#define XHCI_TRB_3_FRID_GET(x) (((x) >> 20) & 0x7FF)
#define XHCI_TRB_3_FRID_SET(x) (((x) & 0x7FF) << 20)
#define XHCI_TRB_3_ISO_SIA_BIT (1U << 31)
#define XHCI_TRB_3_SUSP_EP_BIT (1U << 23)
#define XHCI_TRB_3_SLOT_GET(x) (((x) >> 24) & 0xFF)
#define XHCI_TRB_3_SLOT_SET(x) (((x) & 0xFF) << 24)
/* Commands */
#define XHCI_TRB_TYPE_RESERVED 0x00
#define XHCI_TRB_TYPE_NORMAL 0x01
#define XHCI_TRB_TYPE_SETUP_STAGE 0x02
#define XHCI_TRB_TYPE_DATA_STAGE 0x03
#define XHCI_TRB_TYPE_STATUS_STAGE 0x04
#define XHCI_TRB_TYPE_ISOCH 0x05
#define XHCI_TRB_TYPE_LINK 0x06
#define XHCI_TRB_TYPE_EVENT_DATA 0x07
#define XHCI_TRB_TYPE_NOOP 0x08
#define XHCI_TRB_TYPE_ENABLE_SLOT 0x09
#define XHCI_TRB_TYPE_DISABLE_SLOT 0x0A
#define XHCI_TRB_TYPE_ADDRESS_DEVICE 0x0B
#define XHCI_TRB_TYPE_CONFIGURE_EP 0x0C
#define XHCI_TRB_TYPE_EVALUATE_CTX 0x0D
#define XHCI_TRB_TYPE_RESET_EP 0x0E
#define XHCI_TRB_TYPE_STOP_EP 0x0F
#define XHCI_TRB_TYPE_SET_TR_DEQUEUE 0x10
#define XHCI_TRB_TYPE_RESET_DEVICE 0x11
#define XHCI_TRB_TYPE_FORCE_EVENT 0x12
#define XHCI_TRB_TYPE_NEGOTIATE_BW 0x13
#define XHCI_TRB_TYPE_SET_LATENCY_TOL 0x14
#define XHCI_TRB_TYPE_GET_PORT_BW 0x15
#define XHCI_TRB_TYPE_FORCE_HEADER 0x16
#define XHCI_TRB_TYPE_NOOP_CMD 0x17
/* Events */
#define XHCI_TRB_EVENT_TRANSFER 0x20
#define XHCI_TRB_EVENT_CMD_COMPLETE 0x21
#define XHCI_TRB_EVENT_PORT_STS_CHANGE 0x22
#define XHCI_TRB_EVENT_BW_REQUEST 0x23
#define XHCI_TRB_EVENT_DOORBELL 0x24
#define XHCI_TRB_EVENT_HOST_CTRL 0x25
#define XHCI_TRB_EVENT_DEVICE_NOTIFY 0x26
#define XHCI_TRB_EVENT_MFINDEX_WRAP 0x27
/* Error codes */
#define XHCI_TRB_ERROR_INVALID 0x00
#define XHCI_TRB_ERROR_SUCCESS 0x01
#define XHCI_TRB_ERROR_DATA_BUF 0x02
#define XHCI_TRB_ERROR_BABBLE 0x03
#define XHCI_TRB_ERROR_XACT 0x04
#define XHCI_TRB_ERROR_TRB 0x05
#define XHCI_TRB_ERROR_STALL 0x06
#define XHCI_TRB_ERROR_RESOURCE 0x07
#define XHCI_TRB_ERROR_BANDWIDTH 0x08
#define XHCI_TRB_ERROR_NO_SLOTS 0x09
#define XHCI_TRB_ERROR_STREAM_TYPE 0x0A
#define XHCI_TRB_ERROR_SLOT_NOT_ON 0x0B
#define XHCI_TRB_ERROR_ENDP_NOT_ON 0x0C
#define XHCI_TRB_ERROR_SHORT_PKT 0x0D
#define XHCI_TRB_ERROR_RING_UNDERRUN 0x0E
#define XHCI_TRB_ERROR_RING_OVERRUN 0x0F
#define XHCI_TRB_ERROR_VF_RING_FULL 0x10
#define XHCI_TRB_ERROR_PARAMETER 0x11
#define XHCI_TRB_ERROR_BW_OVERRUN 0x12
#define XHCI_TRB_ERROR_CONTEXT_STATE 0x13
#define XHCI_TRB_ERROR_NO_PING_RESP 0x14
#define XHCI_TRB_ERROR_EV_RING_FULL 0x15
#define XHCI_TRB_ERROR_INCOMPAT_DEV 0x16
#define XHCI_TRB_ERROR_MISSED_SERVICE 0x17
#define XHCI_TRB_ERROR_CMD_RING_STOP 0x18
#define XHCI_TRB_ERROR_CMD_ABORTED 0x19
#define XHCI_TRB_ERROR_STOPPED 0x1A
#define XHCI_TRB_ERROR_LENGTH 0x1B
#define XHCI_TRB_ERROR_BAD_MELAT 0x1D
#define XHCI_TRB_ERROR_ISOC_OVERRUN 0x1F
#define XHCI_TRB_ERROR_EVENT_LOST 0x20
#define XHCI_TRB_ERROR_UNDEFINED 0x21
#define XHCI_TRB_ERROR_INVALID_SID 0x22
#define XHCI_TRB_ERROR_SEC_BW 0x23
#define XHCI_TRB_ERROR_SPLIT_XACT 0x24
} __aligned(4);
struct xhci_dev_endpoint_trbs {
struct xhci_trb trb[(XHCI_MAX_STREAMS *
XHCI_MAX_TRANSFERS) + XHCI_MAX_STREAMS];
};
#if (USB_PAGE_SIZE < 4096)
#error "The XHCI driver needs a pagesize above or equal to 4K"
#endif
/* Define the maximum payload which we will handle in a single TRB */
#define XHCI_TD_PAYLOAD_MAX 65536 /* bytes */
/* Define the maximum payload of a single scatter-gather list element */
#define XHCI_TD_PAGE_SIZE \
((USB_PAGE_SIZE < XHCI_TD_PAYLOAD_MAX) ? USB_PAGE_SIZE : XHCI_TD_PAYLOAD_MAX)
/* Define the maximum length of the scatter-gather list */
#define XHCI_TD_PAGE_NBUF \
(((XHCI_TD_PAYLOAD_MAX + XHCI_TD_PAGE_SIZE - 1) / XHCI_TD_PAGE_SIZE) + 1)
struct xhci_td {
/* one LINK TRB has been added to the TRB array */
struct xhci_trb td_trb[XHCI_TD_PAGE_NBUF + 1];
/*
* Extra information needed:
*/
uint64_t td_self;
struct xhci_td *next;
struct xhci_td *alt_next;
struct xhci_td *obj_next;
struct usb_page_cache *page_cache;
uint32_t len;
uint32_t remainder;
uint8_t ntrb;
uint8_t status;
} __aligned(XHCI_TRB_ALIGN);
struct xhci_command {
struct xhci_trb trb;
TAILQ_ENTRY(xhci_command) entry;
};
struct xhci_event_ring_seg {
volatile uint64_t qwEvrsTablePtr;
volatile uint32_t dwEvrsTableSize;
volatile uint32_t dwEvrsReserved;
};
struct xhci_hw_root {
struct xhci_event_ring_seg hwr_ring_seg[XHCI_MAX_RSEG];
struct {
volatile uint64_t dummy;
} __aligned(64) padding;
struct xhci_trb hwr_events[XHCI_MAX_EVENTS];
struct xhci_trb hwr_commands[XHCI_MAX_COMMANDS];
};
struct xhci_endpoint_ext {
struct xhci_trb *trb;
struct usb_xfer *xfer[XHCI_MAX_TRANSFERS * XHCI_MAX_STREAMS];
struct usb_page_cache *page_cache;
uint64_t physaddr;
uint8_t trb_used[XHCI_MAX_STREAMS];
uint8_t trb_index[XHCI_MAX_STREAMS];
uint8_t trb_halted;
uint8_t trb_running;
uint8_t trb_ep_mode;
uint8_t trb_ep_maxp;
};
enum {
XHCI_ST_DISABLED,
XHCI_ST_ENABLED,
XHCI_ST_DEFAULT,
XHCI_ST_ADDRESSED,
XHCI_ST_CONFIGURED,
XHCI_ST_MAX
};
struct xhci_hw_dev {
struct usb_page_cache device_pc;
struct usb_page_cache input_pc;
struct usb_page_cache endpoint_pc[XHCI_MAX_ENDPOINTS];
struct usb_page device_pg;
struct usb_page input_pg;
struct usb_page endpoint_pg[XHCI_MAX_ENDPOINTS];
struct xhci_endpoint_ext endp[XHCI_MAX_ENDPOINTS];
uint8_t state;
uint8_t nports;
uint8_t tt;
uint8_t context_num;
};
struct xhci_hw_softc {
struct usb_page_cache root_pc;
struct usb_page_cache ctx_pc;
struct usb_page_cache scratch_pc[XHCI_MAX_SCRATCHPADS];
struct usb_page root_pg;
struct usb_page ctx_pg;
struct usb_page scratch_pg[XHCI_MAX_SCRATCHPADS];
struct xhci_hw_dev devs[XHCI_MAX_DEVICES + 1];
};
struct xhci_config_desc {
struct usb_config_descriptor confd;
struct usb_interface_descriptor ifcd;
struct usb_endpoint_descriptor endpd;
struct usb_endpoint_ss_comp_descriptor endpcd;
} __packed;
struct xhci_bos_desc {
struct usb_bos_descriptor bosd;
struct usb_devcap_usb2ext_descriptor usb2extd;
struct usb_devcap_ss_descriptor usbdcd;
struct usb_devcap_container_id_descriptor cidd;
} __packed;
union xhci_hub_desc {
struct usb_status stat;
struct usb_port_status ps;
struct usb_hub_ss_descriptor hubd;
uint8_t temp[128];
};
typedef int (xhci_port_route_t)(device_t, uint32_t, uint32_t);
struct xhci_softc {
struct xhci_hw_softc sc_hw;
/* base device */
struct usb_bus sc_bus;
/* configure message */
struct usb_bus_msg sc_config_msg[2];
struct usb_callout sc_callout;
xhci_port_route_t *sc_port_route;
union xhci_hub_desc sc_hub_desc;
struct cv sc_cmd_cv;
struct sx sc_cmd_sx;
struct usb_device *sc_devices[XHCI_MAX_DEVICES];
struct resource *sc_io_res;
struct resource *sc_irq_res;
struct resource *sc_msix_res;
void *sc_intr_hdl;
bus_size_t sc_io_size;
bus_space_tag_t sc_io_tag;
bus_space_handle_t sc_io_hdl;
/* last pending command address */
uint64_t sc_cmd_addr;
/* result of command */
uint32_t sc_cmd_result[2];
/* copy of cmd register */
uint32_t sc_cmd;
/* worst case exit latency */
uint32_t sc_exit_lat_max;
/* offset to operational registers */
uint32_t sc_oper_off;
/* offset to capability registers */
uint32_t sc_capa_off;
/* offset to runtime registers */
uint32_t sc_runt_off;
/* offset to doorbell registers */
uint32_t sc_door_off;
/* chip specific */
uint16_t sc_erst_max;
uint16_t sc_event_idx;
uint16_t sc_command_idx;
uint16_t sc_imod_default;
/* number of scratch pages */
uint16_t sc_noscratch;
uint8_t sc_event_ccs;
uint8_t sc_command_ccs;
/* number of XHCI device slots */
uint8_t sc_noslot;
/* number of ports on root HUB */
uint8_t sc_noport;
/* root HUB device configuration */
uint8_t sc_conf;
/* root HUB port event bitmap, max 256 ports */
uint8_t sc_hub_idata[32];
/* size of context */
uint8_t sc_ctx_is_64_byte;
/* vendor string for root HUB */
char sc_vendor[16];
};
#define XHCI_CMD_LOCK(sc) sx_xlock(&(sc)->sc_cmd_sx)
#define XHCI_CMD_UNLOCK(sc) sx_xunlock(&(sc)->sc_cmd_sx)
#define XHCI_CMD_ASSERT_LOCKED(sc) sx_assert(&(sc)->sc_cmd_sx, SA_LOCKED)
/* prototypes */
uint8_t xhci_use_polling(void);
usb_error_t xhci_halt_controller(struct xhci_softc *);
usb_error_t xhci_init(struct xhci_softc *, device_t, uint8_t);
usb_error_t xhci_start_controller(struct xhci_softc *);
void xhci_interrupt(struct xhci_softc *);
void xhci_uninit(struct xhci_softc *);
#endif /* _XHCI_H_ */
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