revert 12781, should make revision numbers in /etc/banner work
[openwrt/svn-archive/archive.git] / target / linux / etrax / files / drivers / usb / host / hc_crisv10.h
1 #ifndef __LINUX_ETRAX_USB_H
2 #define __LINUX_ETRAX_USB_H
3
4 #include <linux/types.h>
5 #include <linux/list.h>
6
7 typedef struct USB_IN_Desc {
8 volatile __u16 sw_len;
9 volatile __u16 command;
10 volatile unsigned long next;
11 volatile unsigned long buf;
12 volatile __u16 hw_len;
13 volatile __u16 status;
14 } USB_IN_Desc_t;
15
16 typedef struct USB_SB_Desc {
17 volatile __u16 sw_len;
18 volatile __u16 command;
19 volatile unsigned long next;
20 volatile unsigned long buf;
21 __u32 dummy;
22 } USB_SB_Desc_t;
23
24 typedef struct USB_EP_Desc {
25 volatile __u16 hw_len;
26 volatile __u16 command;
27 volatile unsigned long sub;
28 volatile unsigned long next;
29 __u32 dummy;
30 } USB_EP_Desc_t;
31
32 struct virt_root_hub {
33 int devnum;
34 void *urb;
35 void *int_addr;
36 int send;
37 int interval;
38 int numports;
39 struct timer_list rh_int_timer;
40 volatile __u16 wPortChange_1;
41 volatile __u16 wPortChange_2;
42 volatile __u16 prev_wPortStatus_1;
43 volatile __u16 prev_wPortStatus_2;
44 };
45
46 struct etrax_usb_intr_traffic {
47 int sleeping;
48 int error;
49 struct wait_queue *wq;
50 };
51
52 typedef struct etrax_usb_hc {
53 struct usb_bus *bus;
54 struct virt_root_hub rh;
55 struct etrax_usb_intr_traffic intr;
56 } etrax_hc_t;
57
58 typedef enum {
59 STARTED,
60 NOT_STARTED,
61 UNLINK,
62 TRANSFER_DONE,
63 WAITING_FOR_DESCR_INTR
64 } etrax_usb_urb_state_t;
65
66
67
68 typedef struct etrax_usb_urb_priv {
69 /* The first_sb field is used for freeing all SB descriptors belonging
70 to an urb. The corresponding ep descriptor's sub pointer cannot be
71 used for this since the DMA advances the sub pointer as it processes
72 the sb list. */
73 USB_SB_Desc_t *first_sb;
74 /* The last_sb field referes to the last SB descriptor that belongs to
75 this urb. This is important to know so we can free the SB descriptors
76 that ranges between first_sb and last_sb. */
77 USB_SB_Desc_t *last_sb;
78
79 /* The rx_offset field is used in ctrl and bulk traffic to keep track
80 of the offset in the urb's transfer_buffer where incoming data should be
81 copied to. */
82 __u32 rx_offset;
83
84 /* Counter used in isochronous transfers to keep track of the
85 number of packets received/transmitted. */
86 __u32 isoc_packet_counter;
87
88 /* This field is used to pass information about the urb's current state between
89 the various interrupt handlers (thus marked volatile). */
90 volatile etrax_usb_urb_state_t urb_state;
91
92 /* Connection between the submitted urb and ETRAX epid number */
93 __u8 epid;
94
95 /* The rx_data_list field is used for periodic traffic, to hold
96 received data for later processing in the the complete_urb functions,
97 where the data us copied to the urb's transfer_buffer. Basically, we
98 use this intermediate storage because we don't know when it's safe to
99 reuse the transfer_buffer (FIXME?). */
100 struct list_head rx_data_list;
101 } etrax_urb_priv_t;
102
103 /* This struct is for passing data from the top half to the bottom half. */
104 typedef struct usb_interrupt_registers
105 {
106 etrax_hc_t *hc;
107 __u32 r_usb_epid_attn;
108 __u8 r_usb_status;
109 __u16 r_usb_rh_port_status_1;
110 __u16 r_usb_rh_port_status_2;
111 __u32 r_usb_irq_mask_read;
112 __u32 r_usb_fm_number;
113 struct work_struct usb_bh;
114 } usb_interrupt_registers_t;
115
116 /* This struct is for passing data from the isoc top half to the isoc bottom half. */
117 typedef struct usb_isoc_complete_data
118 {
119 struct urb *urb;
120 struct work_struct usb_bh;
121 } usb_isoc_complete_data_t;
122
123 /* This struct holds data we get from the rx descriptors for DMA channel 9
124 for periodic traffic (intr and isoc). */
125 typedef struct rx_data
126 {
127 void *data;
128 int length;
129 struct list_head list;
130 } rx_data_t;
131
132 typedef struct urb_entry
133 {
134 struct urb *urb;
135 struct list_head list;
136 } urb_entry_t;
137
138 /* ---------------------------------------------------------------------------
139 Virtual Root HUB
140 ------------------------------------------------------------------------- */
141 /* destination of request */
142 #define RH_INTERFACE 0x01
143 #define RH_ENDPOINT 0x02
144 #define RH_OTHER 0x03
145
146 #define RH_CLASS 0x20
147 #define RH_VENDOR 0x40
148
149 /* Requests: bRequest << 8 | bmRequestType */
150 #define RH_GET_STATUS 0x0080
151 #define RH_CLEAR_FEATURE 0x0100
152 #define RH_SET_FEATURE 0x0300
153 #define RH_SET_ADDRESS 0x0500
154 #define RH_GET_DESCRIPTOR 0x0680
155 #define RH_SET_DESCRIPTOR 0x0700
156 #define RH_GET_CONFIGURATION 0x0880
157 #define RH_SET_CONFIGURATION 0x0900
158 #define RH_GET_STATE 0x0280
159 #define RH_GET_INTERFACE 0x0A80
160 #define RH_SET_INTERFACE 0x0B00
161 #define RH_SYNC_FRAME 0x0C80
162 /* Our Vendor Specific Request */
163 #define RH_SET_EP 0x2000
164
165
166 /* Hub port features */
167 #define RH_PORT_CONNECTION 0x00
168 #define RH_PORT_ENABLE 0x01
169 #define RH_PORT_SUSPEND 0x02
170 #define RH_PORT_OVER_CURRENT 0x03
171 #define RH_PORT_RESET 0x04
172 #define RH_PORT_POWER 0x08
173 #define RH_PORT_LOW_SPEED 0x09
174 #define RH_C_PORT_CONNECTION 0x10
175 #define RH_C_PORT_ENABLE 0x11
176 #define RH_C_PORT_SUSPEND 0x12
177 #define RH_C_PORT_OVER_CURRENT 0x13
178 #define RH_C_PORT_RESET 0x14
179
180 /* Hub features */
181 #define RH_C_HUB_LOCAL_POWER 0x00
182 #define RH_C_HUB_OVER_CURRENT 0x01
183
184 #define RH_DEVICE_REMOTE_WAKEUP 0x00
185 #define RH_ENDPOINT_STALL 0x01
186
187 /* Our Vendor Specific feature */
188 #define RH_REMOVE_EP 0x00
189
190
191 #define RH_ACK 0x01
192 #define RH_REQ_ERR -1
193 #define RH_NACK 0x00
194
195 /* Field definitions for */
196
197 #define USB_IN_command__eol__BITNR 0 /* command macros */
198 #define USB_IN_command__eol__WIDTH 1
199 #define USB_IN_command__eol__no 0
200 #define USB_IN_command__eol__yes 1
201
202 #define USB_IN_command__intr__BITNR 3
203 #define USB_IN_command__intr__WIDTH 1
204 #define USB_IN_command__intr__no 0
205 #define USB_IN_command__intr__yes 1
206
207 #define USB_IN_status__eop__BITNR 1 /* status macros. */
208 #define USB_IN_status__eop__WIDTH 1
209 #define USB_IN_status__eop__no 0
210 #define USB_IN_status__eop__yes 1
211
212 #define USB_IN_status__eot__BITNR 5
213 #define USB_IN_status__eot__WIDTH 1
214 #define USB_IN_status__eot__no 0
215 #define USB_IN_status__eot__yes 1
216
217 #define USB_IN_status__error__BITNR 6
218 #define USB_IN_status__error__WIDTH 1
219 #define USB_IN_status__error__no 0
220 #define USB_IN_status__error__yes 1
221
222 #define USB_IN_status__nodata__BITNR 7
223 #define USB_IN_status__nodata__WIDTH 1
224 #define USB_IN_status__nodata__no 0
225 #define USB_IN_status__nodata__yes 1
226
227 #define USB_IN_status__epid__BITNR 8
228 #define USB_IN_status__epid__WIDTH 5
229
230 #define USB_EP_command__eol__BITNR 0
231 #define USB_EP_command__eol__WIDTH 1
232 #define USB_EP_command__eol__no 0
233 #define USB_EP_command__eol__yes 1
234
235 #define USB_EP_command__eof__BITNR 1
236 #define USB_EP_command__eof__WIDTH 1
237 #define USB_EP_command__eof__no 0
238 #define USB_EP_command__eof__yes 1
239
240 #define USB_EP_command__intr__BITNR 3
241 #define USB_EP_command__intr__WIDTH 1
242 #define USB_EP_command__intr__no 0
243 #define USB_EP_command__intr__yes 1
244
245 #define USB_EP_command__enable__BITNR 4
246 #define USB_EP_command__enable__WIDTH 1
247 #define USB_EP_command__enable__no 0
248 #define USB_EP_command__enable__yes 1
249
250 #define USB_EP_command__hw_valid__BITNR 5
251 #define USB_EP_command__hw_valid__WIDTH 1
252 #define USB_EP_command__hw_valid__no 0
253 #define USB_EP_command__hw_valid__yes 1
254
255 #define USB_EP_command__epid__BITNR 8
256 #define USB_EP_command__epid__WIDTH 5
257
258 #define USB_SB_command__eol__BITNR 0 /* command macros. */
259 #define USB_SB_command__eol__WIDTH 1
260 #define USB_SB_command__eol__no 0
261 #define USB_SB_command__eol__yes 1
262
263 #define USB_SB_command__eot__BITNR 1
264 #define USB_SB_command__eot__WIDTH 1
265 #define USB_SB_command__eot__no 0
266 #define USB_SB_command__eot__yes 1
267
268 #define USB_SB_command__intr__BITNR 3
269 #define USB_SB_command__intr__WIDTH 1
270 #define USB_SB_command__intr__no 0
271 #define USB_SB_command__intr__yes 1
272
273 #define USB_SB_command__tt__BITNR 4
274 #define USB_SB_command__tt__WIDTH 2
275 #define USB_SB_command__tt__zout 0
276 #define USB_SB_command__tt__in 1
277 #define USB_SB_command__tt__out 2
278 #define USB_SB_command__tt__setup 3
279
280
281 #define USB_SB_command__rem__BITNR 8
282 #define USB_SB_command__rem__WIDTH 6
283
284 #define USB_SB_command__full__BITNR 6
285 #define USB_SB_command__full__WIDTH 1
286 #define USB_SB_command__full__no 0
287 #define USB_SB_command__full__yes 1
288
289 #endif