2/*-
3 * Copyright (c) 1998 The NetBSD Foundation, Inc.
4 * All rights reserved.
5 *
6 * This code is derived from software contributed to The NetBSD Foundation
7 * by Lennart Augustsson (lennart@augustsson.net) at
8 * Carlstedt Research & Technology.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _OHCI_H_
33#define _OHCI_H_
34
35#define OHCI_MAX_DEVICES MIN(USB_MAX_DEVICES, 128)
36
37#define OHCI_NO_INTRS 32
38#define OHCI_HCCA_SIZE 256
39
40/* Structures alignment (bytes) */
41#define OHCI_HCCA_ALIGN 256
42#define OHCI_ED_ALIGN 16
43#define OHCI_TD_ALIGN 16
44#define OHCI_ITD_ALIGN 32
45
46#define OHCI_PAGE_SIZE 0x1000
47#define OHCI_PAGE(x) ((x) &~ 0xfff)
48#define OHCI_PAGE_OFFSET(x) ((x) & 0xfff)
49#define OHCI_PAGE_MASK(x) ((x) & 0xfff)
50
51#if ((USB_PAGE_SIZE < OHCI_ED_ALIGN) || (OHCI_ED_ALIGN == 0) || \
52 (USB_PAGE_SIZE < OHCI_TD_ALIGN) || (OHCI_TD_ALIGN == 0) || \
53 (USB_PAGE_SIZE < OHCI_ITD_ALIGN) || (OHCI_ITD_ALIGN == 0) || \
54 (USB_PAGE_SIZE < OHCI_PAGE_SIZE) || (OHCI_PAGE_SIZE == 0))
55#error "Invalid USB page size!"
56#endif
57
58#define OHCI_VIRTUAL_FRAMELIST_COUNT 128/* dummy */
59
60#if (OHCI_VIRTUAL_FRAMELIST_COUNT < USB_MAX_FS_ISOC_FRAMES_PER_XFER)
61#error "maximum number of full-speed isochronous frames is higher than supported!"
62#endif
63
64struct ohci_hcca {
65 volatile uint32_t hcca_interrupt_table[OHCI_NO_INTRS];
66 volatile uint32_t hcca_frame_number;
67 volatile uint32_t hcca_done_head;
68#define OHCI_DONE_INTRS 1
69} __aligned(OHCI_HCCA_ALIGN);
70
71typedef struct ohci_hcca ohci_hcca_t;
72
73struct ohci_ed {
74 volatile uint32_t ed_flags;
75#define OHCI_ED_GET_FA(s) ((s) & 0x7f)
76#define OHCI_ED_ADDRMASK 0x0000007f
77#define OHCI_ED_SET_FA(s) (s)
78#define OHCI_ED_GET_EN(s) (((s) >> 7) & 0xf)
79#define OHCI_ED_SET_EN(s) ((s) << 7)
80#define OHCI_ED_DIR_MASK 0x00001800
81#define OHCI_ED_DIR_TD 0x00000000
82#define OHCI_ED_DIR_OUT 0x00000800
83#define OHCI_ED_DIR_IN 0x00001000
84#define OHCI_ED_SPEED 0x00002000
85#define OHCI_ED_SKIP 0x00004000
86#define OHCI_ED_FORMAT_GEN 0x00000000
87#define OHCI_ED_FORMAT_ISO 0x00008000
88#define OHCI_ED_GET_MAXP(s) (((s) >> 16) & 0x07ff)
89#define OHCI_ED_SET_MAXP(s) ((s) << 16)
90#define OHCI_ED_MAXPMASK (0x7ff << 16)
91 volatile uint32_t ed_tailp;
92 volatile uint32_t ed_headp;
93#define OHCI_HALTED 0x00000001
94#define OHCI_TOGGLECARRY 0x00000002
95#define OHCI_HEADMASK 0xfffffffc
96 volatile uint32_t ed_next;
97/*
98 * Extra information needed:
99 */
100 struct ohci_ed *next;
101 struct ohci_ed *prev;
102 struct ohci_ed *obj_next;
103 struct usb_page_cache *page_cache;
104 uint32_t ed_self;
105} __aligned(OHCI_ED_ALIGN);
106
107typedef struct ohci_ed ohci_ed_t;
108
109struct ohci_td {
110 volatile uint32_t td_flags;
111#define OHCI_TD_R 0x00040000 /* Buffer Rounding */
112#define OHCI_TD_DP_MASK 0x00180000 /* Direction / PID */
113#define OHCI_TD_SETUP 0x00000000
114#define OHCI_TD_OUT 0x00080000
115#define OHCI_TD_IN 0x00100000
116#define OHCI_TD_GET_DI(x) (((x) >> 21) & 7) /* Delay Interrupt */
117#define OHCI_TD_SET_DI(x) ((x) << 21)
118#define OHCI_TD_NOINTR 0x00e00000
119#define OHCI_TD_INTR_MASK 0x00e00000
120#define OHCI_TD_TOGGLE_CARRY 0x00000000
121#define OHCI_TD_TOGGLE_0 0x02000000
122#define OHCI_TD_TOGGLE_1 0x03000000
123#define OHCI_TD_TOGGLE_MASK 0x03000000
124#define OHCI_TD_GET_EC(x) (((x) >> 26) & 3) /* Error Count */
125#define OHCI_TD_GET_CC(x) ((x) >> 28) /* Condition Code */
126#define OHCI_TD_SET_CC(x) ((x) << 28)
127#define OHCI_TD_NOCC 0xf0000000
128 volatile uint32_t td_cbp; /* Current Buffer Pointer */
129 volatile uint32_t td_next; /* Next TD */
130#define OHCI_TD_NEXT_END 0
131 volatile uint32_t td_be; /* Buffer End */
132/*
133 * Extra information needed:
134 */
135 struct ohci_td *obj_next;
136 struct ohci_td *alt_next;
137 struct usb_page_cache *page_cache;
138 uint32_t td_self;
139 uint16_t len;
140} __aligned(OHCI_TD_ALIGN);
141
142typedef struct ohci_td ohci_td_t;
143
144struct ohci_itd {
145 volatile uint32_t itd_flags;
146#define OHCI_ITD_GET_SF(x) ((x) & 0x0000ffff)
147#define OHCI_ITD_SET_SF(x) ((x) & 0xffff)
148#define OHCI_ITD_GET_DI(x) (((x) >> 21) & 7) /* Delay Interrupt */
149#define OHCI_ITD_SET_DI(x) ((x) << 21)
150#define OHCI_ITD_NOINTR 0x00e00000
151#define OHCI_ITD_GET_FC(x) ((((x) >> 24) & 7)+1) /* Frame Count */
152#define OHCI_ITD_SET_FC(x) (((x)-1) << 24)
153#define OHCI_ITD_GET_CC(x) ((x) >> 28) /* Condition Code */
154#define OHCI_ITD_NOCC 0xf0000000
155#define OHCI_ITD_NOFFSET 8
156 volatile uint32_t itd_bp0; /* Buffer Page 0 */
157 volatile uint32_t itd_next; /* Next ITD */
158 volatile uint32_t itd_be; /* Buffer End */
159 volatile uint16_t itd_offset[OHCI_ITD_NOFFSET]; /* Buffer offsets and
160 * Status */
161#define OHCI_ITD_PAGE_SELECT 0x00001000
162#define OHCI_ITD_MK_OFFS(len) (0xe000 | ((len) & 0x1fff))
163#define OHCI_ITD_PSW_LENGTH(x) ((x) & 0xfff) /* Transfer length */
164#define OHCI_ITD_PSW_GET_CC(x) ((x) >> 12) /* Condition Code */
165/*
166 * Extra information needed:
167 */
168 struct ohci_itd *obj_next;
169 struct usb_page_cache *page_cache;
170 uint32_t itd_self;
171 uint8_t frames;
172} __aligned(OHCI_ITD_ALIGN);
173
174typedef struct ohci_itd ohci_itd_t;
175
176#define OHCI_CC_NO_ERROR 0
177#define OHCI_CC_CRC 1
178#define OHCI_CC_BIT_STUFFING 2
179#define OHCI_CC_DATA_TOGGLE_MISMATCH 3
180#define OHCI_CC_STALL 4
181#define OHCI_CC_DEVICE_NOT_RESPONDING 5
182#define OHCI_CC_PID_CHECK_FAILURE 6
183#define OHCI_CC_UNEXPECTED_PID 7
184#define OHCI_CC_DATA_OVERRUN 8
185#define OHCI_CC_DATA_UNDERRUN 9
186#define OHCI_CC_BUFFER_OVERRUN 12
187#define OHCI_CC_BUFFER_UNDERRUN 13
188#define OHCI_CC_NOT_ACCESSED 15
189
190/* Some delay needed when changing certain registers. */
191#define OHCI_ENABLE_POWER_DELAY 5
192#define OHCI_READ_DESC_DELAY 5
193
194#define OHCI_NO_EDS (2*OHCI_NO_INTRS)
195
196struct ohci_hw_softc {
197 struct usb_page_cache hcca_pc;
198 struct usb_page_cache ctrl_start_pc;
199 struct usb_page_cache bulk_start_pc;
200 struct usb_page_cache isoc_start_pc;
201 struct usb_page_cache intr_start_pc[OHCI_NO_EDS];
202
203 struct usb_page hcca_pg;
204 struct usb_page ctrl_start_pg;
205 struct usb_page bulk_start_pg;
206 struct usb_page isoc_start_pg;
207 struct usb_page intr_start_pg[OHCI_NO_EDS];
208};
209
210struct ohci_config_desc {
211 struct usb_config_descriptor confd;
212 struct usb_interface_descriptor ifcd;
213 struct usb_endpoint_descriptor endpd;
214} __packed;
215
216union ohci_hub_desc {
217 struct usb_status stat;
218 struct usb_port_status ps;
219 struct usb_hub_descriptor hubd;
220 uint8_t temp[128];
221};
222
223typedef struct ohci_softc {
224 struct ohci_hw_softc sc_hw;
225 struct usb_bus sc_bus; /* base device */
226 struct usb_callout sc_tmo_rhsc;
227 union ohci_hub_desc sc_hub_desc;
228
229 struct usb_device *sc_devices[OHCI_MAX_DEVICES];
230 struct resource *sc_io_res;
231 struct resource *sc_irq_res;
232 struct ohci_hcca *sc_hcca_p;
233 struct ohci_ed *sc_ctrl_p_last;
234 struct ohci_ed *sc_bulk_p_last;
235 struct ohci_ed *sc_isoc_p_last;
236 struct ohci_ed *sc_intr_p_last[OHCI_NO_EDS];
237 void *sc_intr_hdl;
238 device_t sc_dev;
239 bus_size_t sc_io_size;
240 bus_space_tag_t sc_io_tag;
241 bus_space_handle_t sc_io_hdl;
242
243 uint32_t sc_eintrs; /* enabled interrupts */
| 2/*-
3 * Copyright (c) 1998 The NetBSD Foundation, Inc.
4 * All rights reserved.
5 *
6 * This code is derived from software contributed to The NetBSD Foundation
7 * by Lennart Augustsson (lennart@augustsson.net) at
8 * Carlstedt Research & Technology.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef _OHCI_H_
33#define _OHCI_H_
34
35#define OHCI_MAX_DEVICES MIN(USB_MAX_DEVICES, 128)
36
37#define OHCI_NO_INTRS 32
38#define OHCI_HCCA_SIZE 256
39
40/* Structures alignment (bytes) */
41#define OHCI_HCCA_ALIGN 256
42#define OHCI_ED_ALIGN 16
43#define OHCI_TD_ALIGN 16
44#define OHCI_ITD_ALIGN 32
45
46#define OHCI_PAGE_SIZE 0x1000
47#define OHCI_PAGE(x) ((x) &~ 0xfff)
48#define OHCI_PAGE_OFFSET(x) ((x) & 0xfff)
49#define OHCI_PAGE_MASK(x) ((x) & 0xfff)
50
51#if ((USB_PAGE_SIZE < OHCI_ED_ALIGN) || (OHCI_ED_ALIGN == 0) || \
52 (USB_PAGE_SIZE < OHCI_TD_ALIGN) || (OHCI_TD_ALIGN == 0) || \
53 (USB_PAGE_SIZE < OHCI_ITD_ALIGN) || (OHCI_ITD_ALIGN == 0) || \
54 (USB_PAGE_SIZE < OHCI_PAGE_SIZE) || (OHCI_PAGE_SIZE == 0))
55#error "Invalid USB page size!"
56#endif
57
58#define OHCI_VIRTUAL_FRAMELIST_COUNT 128/* dummy */
59
60#if (OHCI_VIRTUAL_FRAMELIST_COUNT < USB_MAX_FS_ISOC_FRAMES_PER_XFER)
61#error "maximum number of full-speed isochronous frames is higher than supported!"
62#endif
63
64struct ohci_hcca {
65 volatile uint32_t hcca_interrupt_table[OHCI_NO_INTRS];
66 volatile uint32_t hcca_frame_number;
67 volatile uint32_t hcca_done_head;
68#define OHCI_DONE_INTRS 1
69} __aligned(OHCI_HCCA_ALIGN);
70
71typedef struct ohci_hcca ohci_hcca_t;
72
73struct ohci_ed {
74 volatile uint32_t ed_flags;
75#define OHCI_ED_GET_FA(s) ((s) & 0x7f)
76#define OHCI_ED_ADDRMASK 0x0000007f
77#define OHCI_ED_SET_FA(s) (s)
78#define OHCI_ED_GET_EN(s) (((s) >> 7) & 0xf)
79#define OHCI_ED_SET_EN(s) ((s) << 7)
80#define OHCI_ED_DIR_MASK 0x00001800
81#define OHCI_ED_DIR_TD 0x00000000
82#define OHCI_ED_DIR_OUT 0x00000800
83#define OHCI_ED_DIR_IN 0x00001000
84#define OHCI_ED_SPEED 0x00002000
85#define OHCI_ED_SKIP 0x00004000
86#define OHCI_ED_FORMAT_GEN 0x00000000
87#define OHCI_ED_FORMAT_ISO 0x00008000
88#define OHCI_ED_GET_MAXP(s) (((s) >> 16) & 0x07ff)
89#define OHCI_ED_SET_MAXP(s) ((s) << 16)
90#define OHCI_ED_MAXPMASK (0x7ff << 16)
91 volatile uint32_t ed_tailp;
92 volatile uint32_t ed_headp;
93#define OHCI_HALTED 0x00000001
94#define OHCI_TOGGLECARRY 0x00000002
95#define OHCI_HEADMASK 0xfffffffc
96 volatile uint32_t ed_next;
97/*
98 * Extra information needed:
99 */
100 struct ohci_ed *next;
101 struct ohci_ed *prev;
102 struct ohci_ed *obj_next;
103 struct usb_page_cache *page_cache;
104 uint32_t ed_self;
105} __aligned(OHCI_ED_ALIGN);
106
107typedef struct ohci_ed ohci_ed_t;
108
109struct ohci_td {
110 volatile uint32_t td_flags;
111#define OHCI_TD_R 0x00040000 /* Buffer Rounding */
112#define OHCI_TD_DP_MASK 0x00180000 /* Direction / PID */
113#define OHCI_TD_SETUP 0x00000000
114#define OHCI_TD_OUT 0x00080000
115#define OHCI_TD_IN 0x00100000
116#define OHCI_TD_GET_DI(x) (((x) >> 21) & 7) /* Delay Interrupt */
117#define OHCI_TD_SET_DI(x) ((x) << 21)
118#define OHCI_TD_NOINTR 0x00e00000
119#define OHCI_TD_INTR_MASK 0x00e00000
120#define OHCI_TD_TOGGLE_CARRY 0x00000000
121#define OHCI_TD_TOGGLE_0 0x02000000
122#define OHCI_TD_TOGGLE_1 0x03000000
123#define OHCI_TD_TOGGLE_MASK 0x03000000
124#define OHCI_TD_GET_EC(x) (((x) >> 26) & 3) /* Error Count */
125#define OHCI_TD_GET_CC(x) ((x) >> 28) /* Condition Code */
126#define OHCI_TD_SET_CC(x) ((x) << 28)
127#define OHCI_TD_NOCC 0xf0000000
128 volatile uint32_t td_cbp; /* Current Buffer Pointer */
129 volatile uint32_t td_next; /* Next TD */
130#define OHCI_TD_NEXT_END 0
131 volatile uint32_t td_be; /* Buffer End */
132/*
133 * Extra information needed:
134 */
135 struct ohci_td *obj_next;
136 struct ohci_td *alt_next;
137 struct usb_page_cache *page_cache;
138 uint32_t td_self;
139 uint16_t len;
140} __aligned(OHCI_TD_ALIGN);
141
142typedef struct ohci_td ohci_td_t;
143
144struct ohci_itd {
145 volatile uint32_t itd_flags;
146#define OHCI_ITD_GET_SF(x) ((x) & 0x0000ffff)
147#define OHCI_ITD_SET_SF(x) ((x) & 0xffff)
148#define OHCI_ITD_GET_DI(x) (((x) >> 21) & 7) /* Delay Interrupt */
149#define OHCI_ITD_SET_DI(x) ((x) << 21)
150#define OHCI_ITD_NOINTR 0x00e00000
151#define OHCI_ITD_GET_FC(x) ((((x) >> 24) & 7)+1) /* Frame Count */
152#define OHCI_ITD_SET_FC(x) (((x)-1) << 24)
153#define OHCI_ITD_GET_CC(x) ((x) >> 28) /* Condition Code */
154#define OHCI_ITD_NOCC 0xf0000000
155#define OHCI_ITD_NOFFSET 8
156 volatile uint32_t itd_bp0; /* Buffer Page 0 */
157 volatile uint32_t itd_next; /* Next ITD */
158 volatile uint32_t itd_be; /* Buffer End */
159 volatile uint16_t itd_offset[OHCI_ITD_NOFFSET]; /* Buffer offsets and
160 * Status */
161#define OHCI_ITD_PAGE_SELECT 0x00001000
162#define OHCI_ITD_MK_OFFS(len) (0xe000 | ((len) & 0x1fff))
163#define OHCI_ITD_PSW_LENGTH(x) ((x) & 0xfff) /* Transfer length */
164#define OHCI_ITD_PSW_GET_CC(x) ((x) >> 12) /* Condition Code */
165/*
166 * Extra information needed:
167 */
168 struct ohci_itd *obj_next;
169 struct usb_page_cache *page_cache;
170 uint32_t itd_self;
171 uint8_t frames;
172} __aligned(OHCI_ITD_ALIGN);
173
174typedef struct ohci_itd ohci_itd_t;
175
176#define OHCI_CC_NO_ERROR 0
177#define OHCI_CC_CRC 1
178#define OHCI_CC_BIT_STUFFING 2
179#define OHCI_CC_DATA_TOGGLE_MISMATCH 3
180#define OHCI_CC_STALL 4
181#define OHCI_CC_DEVICE_NOT_RESPONDING 5
182#define OHCI_CC_PID_CHECK_FAILURE 6
183#define OHCI_CC_UNEXPECTED_PID 7
184#define OHCI_CC_DATA_OVERRUN 8
185#define OHCI_CC_DATA_UNDERRUN 9
186#define OHCI_CC_BUFFER_OVERRUN 12
187#define OHCI_CC_BUFFER_UNDERRUN 13
188#define OHCI_CC_NOT_ACCESSED 15
189
190/* Some delay needed when changing certain registers. */
191#define OHCI_ENABLE_POWER_DELAY 5
192#define OHCI_READ_DESC_DELAY 5
193
194#define OHCI_NO_EDS (2*OHCI_NO_INTRS)
195
196struct ohci_hw_softc {
197 struct usb_page_cache hcca_pc;
198 struct usb_page_cache ctrl_start_pc;
199 struct usb_page_cache bulk_start_pc;
200 struct usb_page_cache isoc_start_pc;
201 struct usb_page_cache intr_start_pc[OHCI_NO_EDS];
202
203 struct usb_page hcca_pg;
204 struct usb_page ctrl_start_pg;
205 struct usb_page bulk_start_pg;
206 struct usb_page isoc_start_pg;
207 struct usb_page intr_start_pg[OHCI_NO_EDS];
208};
209
210struct ohci_config_desc {
211 struct usb_config_descriptor confd;
212 struct usb_interface_descriptor ifcd;
213 struct usb_endpoint_descriptor endpd;
214} __packed;
215
216union ohci_hub_desc {
217 struct usb_status stat;
218 struct usb_port_status ps;
219 struct usb_hub_descriptor hubd;
220 uint8_t temp[128];
221};
222
223typedef struct ohci_softc {
224 struct ohci_hw_softc sc_hw;
225 struct usb_bus sc_bus; /* base device */
226 struct usb_callout sc_tmo_rhsc;
227 union ohci_hub_desc sc_hub_desc;
228
229 struct usb_device *sc_devices[OHCI_MAX_DEVICES];
230 struct resource *sc_io_res;
231 struct resource *sc_irq_res;
232 struct ohci_hcca *sc_hcca_p;
233 struct ohci_ed *sc_ctrl_p_last;
234 struct ohci_ed *sc_bulk_p_last;
235 struct ohci_ed *sc_isoc_p_last;
236 struct ohci_ed *sc_intr_p_last[OHCI_NO_EDS];
237 void *sc_intr_hdl;
238 device_t sc_dev;
239 bus_size_t sc_io_size;
240 bus_space_tag_t sc_io_tag;
241 bus_space_handle_t sc_io_hdl;
242
243 uint32_t sc_eintrs; /* enabled interrupts */
|