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ohcireg.h revision 1.27
      1 /*	$NetBSD: ohcireg.h,v 1.27 2016/04/23 10:15:32 skrll Exp $	*/
      2 /*	$FreeBSD: src/sys/dev/usb/ohcireg.h,v 1.8 1999/11/17 22:33:40 n_hibma Exp $	*/
      3 
      4 /*
      5  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      6  * All rights reserved.
      7  *
      8  * This code is derived from software contributed to The NetBSD Foundation
      9  * by Lennart Augustsson (lennart (at) augustsson.net) at
     10  * Carlstedt Research & Technology.
     11  *
     12  * Redistribution and use in source and binary forms, with or without
     13  * modification, are permitted provided that the following conditions
     14  * are met:
     15  * 1. Redistributions of source code must retain the above copyright
     16  *    notice, this list of conditions and the following disclaimer.
     17  * 2. Redistributions in binary form must reproduce the above copyright
     18  *    notice, this list of conditions and the following disclaimer in the
     19  *    documentation and/or other materials provided with the distribution.
     20  *
     21  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     22  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     23  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     24  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     25  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     31  * POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 
     34 #ifndef _DEV_USB_OHCIREG_H_
     35 #define _DEV_USB_OHCIREG_H_
     36 
     37 /*** PCI config registers ***/
     38 
     39 #define PCI_CBMEM		0x10	/* configuration base memory */
     40 
     41 #define PCI_INTERFACE_OHCI	0x10
     42 
     43 /*** OHCI registers */
     44 
     45 #define OHCI_REVISION		0x00	/* OHCI revision # */
     46 #define  OHCI_REV_LO(rev)	((rev)&0xf)
     47 #define  OHCI_REV_HI(rev)	(((rev)>>4)&0xf)
     48 #define  OHCI_REV_LEGACY(rev)	((rev) & 0x100)
     49 
     50 #define OHCI_CONTROL		0x04
     51 #define  OHCI_CBSR_MASK		0x00000003 /* Control/Bulk Service Ratio */
     52 #define  OHCI_RATIO_1_1		0x00000000
     53 #define  OHCI_RATIO_1_2		0x00000001
     54 #define  OHCI_RATIO_1_3		0x00000002
     55 #define  OHCI_RATIO_1_4		0x00000003
     56 #define  OHCI_PLE		0x00000004 /* Periodic List Enable */
     57 #define  OHCI_IE		0x00000008 /* Isochronous Enable */
     58 #define  OHCI_CLE		0x00000010 /* Control List Enable */
     59 #define  OHCI_BLE		0x00000020 /* Bulk List Enable */
     60 #define  OHCI_HCFS_MASK		0x000000c0 /* HostControllerFunctionalState */
     61 #define  OHCI_HCFS_RESET	0x00000000
     62 #define  OHCI_HCFS_RESUME	0x00000040
     63 #define  OHCI_HCFS_OPERATIONAL	0x00000080
     64 #define  OHCI_HCFS_SUSPEND	0x000000c0
     65 #define  OHCI_IR		0x00000100 /* Interrupt Routing */
     66 #define  OHCI_RWC		0x00000200 /* Remote Wakeup Connected */
     67 #define  OHCI_RWE		0x00000400 /* Remote Wakeup Enabled */
     68 #define OHCI_COMMAND_STATUS	0x08
     69 #define  OHCI_HCR		0x00000001 /* Host Controller Reset */
     70 #define  OHCI_CLF		0x00000002 /* Control List Filled */
     71 #define  OHCI_BLF		0x00000004 /* Bulk List Filled */
     72 #define  OHCI_OCR		0x00000008 /* Ownership Change Request */
     73 #define  OHCI_SOC_MASK		0x00030000 /* Scheduling Overrun Count */
     74 #define OHCI_INTERRUPT_STATUS	0x0c
     75 #define  OHCI_SO		0x00000001 /* Scheduling Overrun */
     76 #define  OHCI_WDH		0x00000002 /* Writeback Done Head */
     77 #define  OHCI_SF		0x00000004 /* Start of Frame */
     78 #define  OHCI_RD		0x00000008 /* Resume Detected */
     79 #define  OHCI_UE		0x00000010 /* Unrecoverable Error */
     80 #define  OHCI_FNO		0x00000020 /* Frame Number Overflow */
     81 #define  OHCI_RHSC		0x00000040 /* Root Hub Status Change */
     82 #define  OHCI_OC		0x40000000 /* Ownership Change */
     83 #define  OHCI_MIE		0x80000000 /* Master Interrupt Enable */
     84 #define OHCI_INTERRUPT_ENABLE	0x10
     85 #define OHCI_INTERRUPT_DISABLE	0x14
     86 #define OHCI_HCCA		0x18
     87 #define OHCI_PERIOD_CURRENT_ED	0x1c
     88 #define OHCI_CONTROL_HEAD_ED	0x20
     89 #define OHCI_CONTROL_CURRENT_ED	0x24
     90 #define OHCI_BULK_HEAD_ED	0x28
     91 #define OHCI_BULK_CURRENT_ED	0x2c
     92 #define OHCI_DONE_HEAD		0x30
     93 #define OHCI_FM_INTERVAL	0x34
     94 #define  OHCI_GET_IVAL(s)	((s) & 0x3fff)
     95 #define  OHCI_GET_FSMPS(s)	(((s) >> 16) & 0x7fff)
     96 #define  OHCI_FIT		0x80000000
     97 #define OHCI_FM_REMAINING	0x38
     98 #define OHCI_FM_NUMBER		0x3c
     99 #define OHCI_PERIODIC_START	0x40
    100 #define OHCI_LS_THRESHOLD	0x44
    101 #define OHCI_RH_DESCRIPTOR_A	0x48
    102 #define  OHCI_GET_NDP(s)	((s) & 0xff)
    103 #define  OHCI_PSM		0x0100     /* Power Switching Mode */
    104 #define  OHCI_NPS		0x0200	   /* No Power Switching */
    105 #define  OHCI_DT		0x0400     /* Device Type */
    106 #define  OHCI_OCPM		0x0800     /* Overcurrent Protection Mode */
    107 #define  OHCI_NOCP		0x1000     /* No Overcurrent Protection */
    108 #define  OHCI_GET_POTPGT(s)	((s) >> 24)
    109 #define  OHCI_POTPGT_MASK	0xff000000
    110 #define OHCI_RH_DESCRIPTOR_B	0x4c
    111 #define OHCI_RH_STATUS		0x50
    112 #define  OHCI_LPS		0x00000001 /* Local Power Status */
    113 #define  OHCI_OCI		0x00000002 /* OverCurrent Indicator */
    114 #define  OHCI_DRWE		0x00008000 /* Device Remote Wakeup Enable */
    115 #define  OHCI_LPSC		0x00010000 /* Local Power Status Change */
    116 #define  OHCI_CCIC		0x00020000 /* OverCurrent Indicator Change */
    117 #define  OHCI_CRWE		0x80000000 /* Clear Remote Wakeup Enable */
    118 #define OHCI_RH_PORT_STATUS(n)	(0x50 + (n)*4) /* 1 based indexing */
    119 
    120 #define OHCI_LES (OHCI_PLE | OHCI_IE | OHCI_CLE | OHCI_BLE)
    121 #define OHCI_ALL_INTRS (OHCI_SO | OHCI_WDH | OHCI_SF | OHCI_RD | OHCI_UE | \
    122 			OHCI_FNO | OHCI_RHSC | OHCI_OC)
    123 #define OHCI_NORMAL_INTRS (OHCI_SO | OHCI_WDH | OHCI_RD | OHCI_UE | OHCI_RHSC)
    124 
    125 #define OHCI_FSMPS(i) (((i-210)*6/7) << 16)
    126 #define OHCI_PERIODIC(i) ((i)*9/10)
    127 
    128 typedef uint32_t ohci_physaddr_t;
    129 
    130 #define OHCI_NO_INTRS 32
    131 struct ohci_hcca {
    132 	volatile ohci_physaddr_t	hcca_interrupt_table[OHCI_NO_INTRS];
    133 	volatile uint32_t	hcca_frame_number;
    134 	volatile ohci_physaddr_t	hcca_done_head;
    135 #define OHCI_DONE_INTRS 1
    136 };
    137 #define OHCI_HCCA_SIZE 256
    138 #define OHCI_HCCA_ALIGN 256
    139 
    140 #define OHCI_PAGE_SIZE 0x1000
    141 #define OHCI_PAGE(x) ((x) &~ 0xfff)
    142 #define OHCI_PAGE_OFFSET(x) ((x) & 0xfff)
    143 
    144 typedef struct {
    145 	volatile uint32_t	ed_flags;
    146 #define OHCI_ED_GET_FA(s)	((s) & 0x7f)
    147 #define OHCI_ED_ADDRMASK	0x0000007f
    148 #define OHCI_ED_SET_FA(s)	(s)
    149 #define OHCI_ED_GET_EN(s)	(((s) >> 7) & 0xf)
    150 #define OHCI_ED_SET_EN(s)	((s) << 7)
    151 #define OHCI_ED_DIR_MASK	0x00001800
    152 #define  OHCI_ED_DIR_TD		0x00000000
    153 #define  OHCI_ED_DIR_OUT	0x00000800
    154 #define  OHCI_ED_DIR_IN		0x00001000
    155 #define OHCI_ED_SPEED		0x00002000
    156 #define OHCI_ED_SKIP		0x00004000
    157 #define OHCI_ED_FORMAT_GEN	0x00000000
    158 #define OHCI_ED_FORMAT_ISO	0x00008000
    159 #define OHCI_ED_GET_MAXP(s)	(((s) >> 16) & 0x07ff)
    160 #define OHCI_ED_SET_MAXP(s)	((s) << 16)
    161 #define OHCI_ED_MAXPMASK	(0x7ff << 16)
    162 	volatile ohci_physaddr_t	ed_tailp;
    163 	volatile ohci_physaddr_t	ed_headp;
    164 #define OHCI_HALTED		0x00000001
    165 #define OHCI_TOGGLECARRY	0x00000002
    166 #define OHCI_HEADMASK		0xfffffffc
    167 	volatile ohci_physaddr_t	ed_nexted;
    168 } ohci_ed_t;
    169 /* #define OHCI_ED_SIZE 16 */
    170 #define OHCI_ED_ALIGN 16
    171 
    172 typedef struct {
    173 	volatile uint32_t	td_flags;
    174 #define OHCI_TD_R		0x00040000		/* Buffer Rounding  */
    175 #define OHCI_TD_DP_MASK		0x00180000		/* Direction / PID */
    176 #define  OHCI_TD_SETUP		0x00000000
    177 #define  OHCI_TD_OUT		0x00080000
    178 #define  OHCI_TD_IN		0x00100000
    179 #define OHCI_TD_GET_DI(x)	(((x) >> 21) & 7)	/* Delay Interrupt */
    180 #define OHCI_TD_SET_DI(x)	((x) << 21)
    181 #define  OHCI_TD_NOINTR		0x00e00000
    182 #define  OHCI_TD_INTR_MASK	0x00e00000
    183 #define OHCI_TD_TOGGLE_CARRY	0x00000000
    184 #define OHCI_TD_TOGGLE_0	0x02000000
    185 #define OHCI_TD_TOGGLE_1	0x03000000
    186 #define OHCI_TD_TOGGLE_MASK	0x03000000
    187 #define OHCI_TD_GET_EC(x)	(((x) >> 26) & 3)	/* Error Count */
    188 #define OHCI_TD_GET_CC(x)	((x) >> 28)		/* Condition Code */
    189 #define  OHCI_TD_NOCC		0xf0000000
    190 	volatile ohci_physaddr_t td_cbp;	/* Current Buffer Pointer */
    191 	volatile ohci_physaddr_t td_nexttd;	/* Next TD */
    192 	volatile ohci_physaddr_t td_be;		/* Buffer End */
    193 } ohci_td_t;
    194 /* #define OHCI_TD_SIZE 16 */
    195 #define OHCI_TD_ALIGN 16
    196 
    197 #define OHCI_ITD_NOFFSET 8
    198 typedef struct {
    199 	volatile uint32_t	itd_flags;
    200 #define OHCI_ITD_GET_SF(x)	((x) & 0x0000ffff)
    201 #define OHCI_ITD_SET_SF(x)	((x) & 0xffff)
    202 #define OHCI_ITD_GET_DI(x)	(((x) >> 21) & 7)	/* Delay Interrupt */
    203 #define OHCI_ITD_SET_DI(x)	((x) << 21)
    204 #define  OHCI_ITD_NOINTR	0x00e00000
    205 #define OHCI_ITD_GET_FC(x)	((((x) >> 24) & 7)+1)	/* Frame Count */
    206 #define OHCI_ITD_SET_FC(x)	(((x)-1) << 24)
    207 #define OHCI_ITD_GET_CC(x)	((x) >> 28)		/* Condition Code */
    208 #define  OHCI_ITD_NOCC		0xf0000000
    209 	volatile ohci_physaddr_t itd_bp0;		/* Buffer Page 0 */
    210 	volatile ohci_physaddr_t itd_nextitd;		/* Next ITD */
    211 	volatile ohci_physaddr_t itd_be;			/* Buffer End */
    212 	volatile uint16_t itd_offset[OHCI_ITD_NOFFSET];/* Buffer offsets */
    213 #define itd_pswn itd_offset				/* Packet Status Word*/
    214 #define OHCI_ITD_PAGE_SELECT	0x00001000
    215 #define OHCI_ITD_MK_OFFS(len)	(0xe000 | ((len) & 0x1fff))
    216 #define OHCI_ITD_PSW_LENGTH(x)	((x) & 0xfff)		/* Transfer length */
    217 #define OHCI_ITD_PSW_GET_CC(x)	((x) >> 12)		/* Condition Code */
    218 } ohci_itd_t;
    219 /* #define OHCI_ITD_SIZE 32 */
    220 #define OHCI_ITD_ALIGN 32
    221 
    222 
    223 #define OHCI_CC_NO_ERROR		0
    224 #define OHCI_CC_CRC			1
    225 #define OHCI_CC_BIT_STUFFING		2
    226 #define OHCI_CC_DATA_TOGGLE_MISMATCH	3
    227 #define OHCI_CC_STALL			4
    228 #define OHCI_CC_DEVICE_NOT_RESPONDING	5
    229 #define OHCI_CC_PID_CHECK_FAILURE	6
    230 #define OHCI_CC_UNEXPECTED_PID		7
    231 #define OHCI_CC_DATA_OVERRUN		8
    232 #define OHCI_CC_DATA_UNDERRUN		9
    233 #define OHCI_CC_BUFFER_OVERRUN		12
    234 #define OHCI_CC_BUFFER_UNDERRUN		13
    235 #define OHCI_CC_NOT_ACCESSED		14
    236 #define OHCI_CC_NOT_ACCESSED_MASK	14
    237 
    238 /* Some delay needed when changing certain registers. */
    239 #define OHCI_ENABLE_POWER_DELAY	5
    240 #define OHCI_READ_DESC_DELAY	5
    241 
    242 #endif /* _DEV_USB_OHCIREG_H_ */
    243