3 * Copyright (c) 1998 The NetBSD Foundation, Inc.
6 * This code is derived from software contributed to The NetBSD Foundation
7 * by Lennart Augustsson (lennart@augustsson.net) at
8 * Carlstedt Research & Technology.
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
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 * 3. All advertising materials mentioning features or use of this software
19 * must display the following acknowledgement:
20 * This product includes software developed by the NetBSD
21 * Foundation, Inc. and its contributors.
22 * 4. Neither the name of The NetBSD Foundation nor the names of its
23 * contributors may be used to endorse or promote products derived
24 * from this software without specific prior written permission.
26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
36 * POSSIBILITY OF SUCH DAMAGE.
42 #define OHCI_MAX_DEVICES MIN(USB_MAX_DEVICES, 128)
44 #define OHCI_NO_INTRS 32
45 #define OHCI_HCCA_SIZE 256
47 /* Structures alignment (bytes) */
48 #define OHCI_HCCA_ALIGN 256
49 #define OHCI_ED_ALIGN 16
50 #define OHCI_TD_ALIGN 16
51 #define OHCI_ITD_ALIGN 32
53 #define OHCI_PAGE_SIZE 0x1000
54 #define OHCI_PAGE(x) ((x) &~ 0xfff)
55 #define OHCI_PAGE_OFFSET(x) ((x) & 0xfff)
56 #define OHCI_PAGE_MASK(x) ((x) & 0xfff)
58 #if ((USB_PAGE_SIZE < OHCI_ED_ALIGN) || (OHCI_ED_ALIGN == 0) || \
59 (USB_PAGE_SIZE < OHCI_TD_ALIGN) || (OHCI_TD_ALIGN == 0) || \
60 (USB_PAGE_SIZE < OHCI_ITD_ALIGN) || (OHCI_ITD_ALIGN == 0) || \
61 (USB_PAGE_SIZE < OHCI_PAGE_SIZE) || (OHCI_PAGE_SIZE == 0))
62 #error "Invalid USB page size!"
65 #define OHCI_VIRTUAL_FRAMELIST_COUNT 128/* dummy */
67 #if (OHCI_VIRTUAL_FRAMELIST_COUNT < USB_MAX_FS_ISOC_FRAMES_PER_XFER)
68 #error "maximum number of full-speed isochronous frames is higher than supported!"
72 volatile uint32_t hcca_interrupt_table[OHCI_NO_INTRS];
73 volatile uint32_t hcca_frame_number;
74 volatile uint32_t hcca_done_head;
75 #define OHCI_DONE_INTRS 1
76 } __aligned(OHCI_HCCA_ALIGN);
78 typedef struct ohci_hcca ohci_hcca_t;
81 volatile uint32_t ed_flags;
82 #define OHCI_ED_GET_FA(s) ((s) & 0x7f)
83 #define OHCI_ED_ADDRMASK 0x0000007f
84 #define OHCI_ED_SET_FA(s) (s)
85 #define OHCI_ED_GET_EN(s) (((s) >> 7) & 0xf)
86 #define OHCI_ED_SET_EN(s) ((s) << 7)
87 #define OHCI_ED_DIR_MASK 0x00001800
88 #define OHCI_ED_DIR_TD 0x00000000
89 #define OHCI_ED_DIR_OUT 0x00000800
90 #define OHCI_ED_DIR_IN 0x00001000
91 #define OHCI_ED_SPEED 0x00002000
92 #define OHCI_ED_SKIP 0x00004000
93 #define OHCI_ED_FORMAT_GEN 0x00000000
94 #define OHCI_ED_FORMAT_ISO 0x00008000
95 #define OHCI_ED_GET_MAXP(s) (((s) >> 16) & 0x07ff)
96 #define OHCI_ED_SET_MAXP(s) ((s) << 16)
97 #define OHCI_ED_MAXPMASK (0x7ff << 16)
98 volatile uint32_t ed_tailp;
99 volatile uint32_t ed_headp;
100 #define OHCI_HALTED 0x00000001
101 #define OHCI_TOGGLECARRY 0x00000002
102 #define OHCI_HEADMASK 0xfffffffc
103 volatile uint32_t ed_next;
105 * Extra information needed:
107 struct ohci_ed *next;
108 struct ohci_ed *prev;
109 struct ohci_ed *obj_next;
110 struct usb_page_cache *page_cache;
112 } __aligned(OHCI_ED_ALIGN);
114 typedef struct ohci_ed ohci_ed_t;
117 volatile uint32_t td_flags;
118 #define OHCI_TD_R 0x00040000 /* Buffer Rounding */
119 #define OHCI_TD_DP_MASK 0x00180000 /* Direction / PID */
120 #define OHCI_TD_SETUP 0x00000000
121 #define OHCI_TD_OUT 0x00080000
122 #define OHCI_TD_IN 0x00100000
123 #define OHCI_TD_GET_DI(x) (((x) >> 21) & 7) /* Delay Interrupt */
124 #define OHCI_TD_SET_DI(x) ((x) << 21)
125 #define OHCI_TD_NOINTR 0x00e00000
126 #define OHCI_TD_INTR_MASK 0x00e00000
127 #define OHCI_TD_TOGGLE_CARRY 0x00000000
128 #define OHCI_TD_TOGGLE_0 0x02000000
129 #define OHCI_TD_TOGGLE_1 0x03000000
130 #define OHCI_TD_TOGGLE_MASK 0x03000000
131 #define OHCI_TD_GET_EC(x) (((x) >> 26) & 3) /* Error Count */
132 #define OHCI_TD_GET_CC(x) ((x) >> 28) /* Condition Code */
133 #define OHCI_TD_SET_CC(x) ((x) << 28)
134 #define OHCI_TD_NOCC 0xf0000000
135 volatile uint32_t td_cbp; /* Current Buffer Pointer */
136 volatile uint32_t td_next; /* Next TD */
137 #define OHCI_TD_NEXT_END 0
138 volatile uint32_t td_be; /* Buffer End */
140 * Extra information needed:
142 struct ohci_td *obj_next;
143 struct ohci_td *alt_next;
144 struct usb_page_cache *page_cache;
147 } __aligned(OHCI_TD_ALIGN);
149 typedef struct ohci_td ohci_td_t;
152 volatile uint32_t itd_flags;
153 #define OHCI_ITD_GET_SF(x) ((x) & 0x0000ffff)
154 #define OHCI_ITD_SET_SF(x) ((x) & 0xffff)
155 #define OHCI_ITD_GET_DI(x) (((x) >> 21) & 7) /* Delay Interrupt */
156 #define OHCI_ITD_SET_DI(x) ((x) << 21)
157 #define OHCI_ITD_NOINTR 0x00e00000
158 #define OHCI_ITD_GET_FC(x) ((((x) >> 24) & 7)+1) /* Frame Count */
159 #define OHCI_ITD_SET_FC(x) (((x)-1) << 24)
160 #define OHCI_ITD_GET_CC(x) ((x) >> 28) /* Condition Code */
161 #define OHCI_ITD_NOCC 0xf0000000
162 #define OHCI_ITD_NOFFSET 8
163 volatile uint32_t itd_bp0; /* Buffer Page 0 */
164 volatile uint32_t itd_next; /* Next ITD */
165 volatile uint32_t itd_be; /* Buffer End */
166 volatile uint16_t itd_offset[OHCI_ITD_NOFFSET]; /* Buffer offsets and
168 #define OHCI_ITD_PAGE_SELECT 0x00001000
169 #define OHCI_ITD_MK_OFFS(len) (0xe000 | ((len) & 0x1fff))
170 #define OHCI_ITD_PSW_LENGTH(x) ((x) & 0xfff) /* Transfer length */
171 #define OHCI_ITD_PSW_GET_CC(x) ((x) >> 12) /* Condition Code */
173 * Extra information needed:
175 struct ohci_itd *obj_next;
176 struct usb_page_cache *page_cache;
179 } __aligned(OHCI_ITD_ALIGN);
181 typedef struct ohci_itd ohci_itd_t;
183 #define OHCI_CC_NO_ERROR 0
184 #define OHCI_CC_CRC 1
185 #define OHCI_CC_BIT_STUFFING 2
186 #define OHCI_CC_DATA_TOGGLE_MISMATCH 3
187 #define OHCI_CC_STALL 4
188 #define OHCI_CC_DEVICE_NOT_RESPONDING 5
189 #define OHCI_CC_PID_CHECK_FAILURE 6
190 #define OHCI_CC_UNEXPECTED_PID 7
191 #define OHCI_CC_DATA_OVERRUN 8
192 #define OHCI_CC_DATA_UNDERRUN 9
193 #define OHCI_CC_BUFFER_OVERRUN 12
194 #define OHCI_CC_BUFFER_UNDERRUN 13
195 #define OHCI_CC_NOT_ACCESSED 15
197 /* Some delay needed when changing certain registers. */
198 #define OHCI_ENABLE_POWER_DELAY 5
199 #define OHCI_READ_DESC_DELAY 5
201 #define OHCI_NO_EDS (2*OHCI_NO_INTRS)
203 struct ohci_hw_softc {
204 struct usb_page_cache hcca_pc;
205 struct usb_page_cache ctrl_start_pc;
206 struct usb_page_cache bulk_start_pc;
207 struct usb_page_cache isoc_start_pc;
208 struct usb_page_cache intr_start_pc[OHCI_NO_EDS];
210 struct usb_page hcca_pg;
211 struct usb_page ctrl_start_pg;
212 struct usb_page bulk_start_pg;
213 struct usb_page isoc_start_pg;
214 struct usb_page intr_start_pg[OHCI_NO_EDS];
217 struct ohci_config_desc {
218 struct usb_config_descriptor confd;
219 struct usb_interface_descriptor ifcd;
220 struct usb_endpoint_descriptor endpd;
223 union ohci_hub_desc {
224 struct usb_status stat;
225 struct usb_port_status ps;
226 struct usb_hub_descriptor hubd;
230 typedef struct ohci_softc {
231 struct ohci_hw_softc sc_hw;
232 struct usb_bus sc_bus; /* base device */
233 struct usb_callout sc_tmo_rhsc;
234 union ohci_hub_desc sc_hub_desc;
236 struct usb_device *sc_devices[OHCI_MAX_DEVICES];
237 struct resource *sc_io_res;
238 struct resource *sc_irq_res;
239 struct ohci_hcca *sc_hcca_p;
240 struct ohci_ed *sc_ctrl_p_last;
241 struct ohci_ed *sc_bulk_p_last;
242 struct ohci_ed *sc_isoc_p_last;
243 struct ohci_ed *sc_intr_p_last[OHCI_NO_EDS];
246 bus_size_t sc_io_size;
247 bus_space_tag_t sc_io_tag;
248 bus_space_handle_t sc_io_hdl;
250 uint32_t sc_eintrs; /* enabled interrupts */
251 uint32_t sc_control; /* Preserved during suspend/standby */
254 uint16_t sc_intr_stat[OHCI_NO_EDS];
255 uint16_t sc_id_vendor;
258 uint8_t sc_addr; /* device address */
259 uint8_t sc_conf; /* device configuration */
260 uint8_t sc_hub_idata[32];
266 usb_bus_mem_cb_t ohci_iterate_hw_softc;
268 usb_error_t ohci_init(ohci_softc_t *sc);
269 void ohci_detach(struct ohci_softc *sc);
270 void ohci_suspend(ohci_softc_t *sc);
271 void ohci_resume(ohci_softc_t *sc);
272 void ohci_interrupt(ohci_softc_t *sc);
274 #endif /* _OHCI_H_ */