summaryrefslogtreecommitdiff
path: root/payloads/libpayload/drivers/usb/ehci_private.h
blob: 3276e23edc6852b1ee6284d7e293e342600133e8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
/*
 * This file is part of the libpayload project.
 *
 * Copyright (C) 2010 coresystems GmbH
 *
 * 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.
 * 3. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * 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 __EHCI_PRIVATE_H
#define __EHCI_PRIVATE_H

#include <pci.h>
#include <usb/usb.h>

#define USBBASE 0x10
#define FLADJ 0x61
#define FLADJ_framelength(x) (((x)-59488)/16)

typedef volatile u32 portsc_t;
#define P_CURR_CONN_STATUS (1 << 0)
#define P_CONN_STATUS_CHANGE (1 << 1)
#define P_PORT_ENABLE (1 << 2)
#define P_PORT_RESET (1 << 8)
#define P_LINE_STATUS (3 << 10)
#define P_LINE_STATUS_LOWSPEED (1 << 10)
#define P_PP (1 << 12)
#define P_PORT_OWNER (1 << 13)

typedef volatile struct {
#define HCS_NPORTS_MASK 0xf
#define HCS_PORT_POWER_CONTROL 0x10
	u8 caplength;
	u8 res1;
	u16 hciversion;
	u32 hcsparams;
	u32 hccparams;
	u64 hcsp_portroute;
} __attribute__ ((packed)) hc_cap_t;

typedef volatile struct {
	u32 usbcmd;
#define HC_OP_RS 1
#define HC_OP_PERIODIC_SCHED_EN_SHIFT 4
#define HC_OP_PERIODIC_SCHED_EN (1 << HC_OP_PERIODIC_SCHED_EN_SHIFT)
#define HC_OP_ASYNC_SCHED_EN_SHIFT 5
#define HC_OP_ASYNC_SCHED_EN (1 << HC_OP_ASYNC_SCHED_EN_SHIFT)
	u32 usbsts;
#define HC_OP_PERIODIC_SCHED_STAT_SHIFT 14
#define HC_OP_PERIODIC_SCHED_STAT (1 << HC_OP_PERIODIC_SCHED_STAT_SHIFT)
#define HC_OP_ASYNC_SCHED_STAT_SHIFT 15
#define HC_OP_ASYNC_SCHED_STAT (1 << HC_OP_ASYNC_SCHED_STAT_SHIFT)
	u32 usbintr;
	u32 frindex;
	u32 ctrldssegment;
	u32 periodiclistbase;
	u32 asynclistaddr;
	u8 res1[0x3f-0x1c];
	u32 configflag;
	portsc_t portsc[0];
} hc_op_t;

typedef volatile struct {
#define QTD_TERMINATE 1
#define QTD_PTR_MASK ~0x1f
	u32 next_qtd;
	u32 alt_next_qtd;
	u32 token;
#define QTD_STATUS_MASK 0xff
#define QTD_HALTED (1 << 6)
#define QTD_ACTIVE (1 << 7)
#define QTD_PID_SHIFT 8
#define QTD_PID_MASK (3 << QTD_PID_SHIFT)
#define QTD_CERR_SHIFT 10
#define QTD_CERR_MASK (3 << QTD_CERR_SHIFT)
#define QTD_CPAGE_SHIFT 12
#define QTD_CPAGE_MASK (7 << QTD_CPAGE_SHIFT)
#define QTD_TOTAL_LEN_SHIFT 16
#define QTD_TOTAL_LEN_MASK (((1<<15)-1) << QTD_TOTAL_LEN_SHIFT)
#define QTD_TOGGLE_SHIFT 31
#define QTD_TOGGLE_MASK (1 << 31)
#define QTD_TOGGLE_DATA0 0
#define QTD_TOGGLE_DATA1 (1 << QTD_TOGGLE_SHIFT)
	u32 bufptrs[5];
	u32 bufptrs64[5];
} __attribute__ ((packed)) qtd_t;

typedef volatile struct {
	u32 horiz_link_ptr;
#define QH_TERMINATE 1
#define QH_iTD (0<<1)
#define QH_QH (1<<1)
#define QH_siTD (2<<1)
#define QH_FSTN (3<<1)
	u32 epchar;
#define QH_EP_SHIFT 8
#define QH_EPS_SHIFT 12
#define QH_DTC_SHIFT 14
#define QH_RECLAIM_HEAD_SHIFT 15
#define QH_MPS_SHIFT 16
#define QH_NON_HS_CTRL_EP_SHIFT 27
#define QH_NAK_CNT_SHIFT 28
	u32 epcaps;
#define QH_UFRAME_CMASK_SHIFT 8
#define QH_HUB_ADDRESS_SHIFT 16
#define QH_PORT_NUMBER_SHIFT 23
#define QH_PIPE_MULTIPLIER_SHIFT 30
	volatile u32 current_td_ptr;
	volatile qtd_t td;
} ehci_qh_t;

typedef struct ehci {
	hc_cap_t *capabilities;
	hc_op_t *operation;
	ehci_qh_t *dummy_qh;
} ehci_t;

#define PS_TERMINATE 1
#define PS_TYPE_QH 1 << 1
#define PS_PTR_MASK ~0x1f


#define EHCI_INST(controller) ((ehci_t*)((controller)->instance))

#endif