xref: /netbsd/sys/dev/usb/umassvar.h (revision bf9ec67e)
1 /*	$NetBSD: umassvar.h,v 1.15 2002/02/07 13:52:55 augustss Exp $	*/
2 /*-
3  * Copyright (c) 1999 MAEKAWA Masahide <bishop@rr.iij4u.or.jp>,
4  *		      Nick Hibma <n_hibma@freebsd.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  *
28  *     $FreeBSD: src/sys/dev/usb/umass.c,v 1.13 2000/03/26 01:39:12 n_hibma Exp $
29  */
30 
31 #ifdef UMASS_DEBUG
32 #define DIF(m, x)	if (umassdebug & (m)) do { x ; } while (0)
33 #define DPRINTF(m, x)	if (umassdebug & (m)) logprintf x
34 #define UDMASS_UPPER	0x00008000	/* upper layer */
35 #define UDMASS_GEN	0x00010000	/* general */
36 #define UDMASS_SCSI	0x00020000	/* scsi */
37 #define UDMASS_UFI	0x00040000	/* ufi command set */
38 #define UDMASS_8070	0x00080000	/* 8070i command set */
39 #define UDMASS_USB	0x00100000	/* USB general */
40 #define UDMASS_BBB	0x00200000	/* Bulk-Only transfers */
41 #define UDMASS_CBI	0x00400000	/* CBI transfers */
42 #define UDMASS_ALL	0xffff0000	/* all of the above */
43 
44 #define UDMASS_XFER	0x40000000	/* all transfers */
45 #define UDMASS_CMD	0x80000000
46 
47 extern int umassdebug;
48 #else
49 #define DIF(m, x)	/* nop */
50 #define DPRINTF(m, x)	/* nop */
51 #endif
52 
53 /* Generic definitions */
54 
55 #define UFI_COMMAND_LENGTH 12
56 
57 /* Direction for umass_*_transfer */
58 #define DIR_NONE	0
59 #define DIR_IN		1
60 #define DIR_OUT		2
61 
62 #define MS_TO_TICKS(ms) ((ms) * hz / 1000)
63 
64 /* Endpoints for umass */
65 #define	UMASS_BULKIN	0
66 #define	UMASS_BULKOUT	1
67 #define	UMASS_INTRIN	2
68 #define	UMASS_NEP	3
69 
70 /* Bulk-Only features */
71 
72 #define UR_BBB_RESET	0xff		/* Bulk-Only reset */
73 #define	UR_BBB_GET_MAX_LUN	0xfe
74 
75 /* Command Block Wrapper */
76 typedef struct {
77 	uDWord		dCBWSignature;
78 #define CBWSIGNATURE	0x43425355
79 	uDWord		dCBWTag;
80 	uDWord		dCBWDataTransferLength;
81 	uByte		bCBWFlags;
82 #define CBWFLAGS_OUT	0x00
83 #define CBWFLAGS_IN	0x80
84 	uByte		bCBWLUN;
85 	uByte		bCDBLength;
86 #define CBWCDBLENGTH	16
87 	uByte		CBWCDB[CBWCDBLENGTH];
88 } umass_bbb_cbw_t;
89 #define UMASS_BBB_CBW_SIZE	31
90 
91 /* Command Status Wrapper */
92 typedef struct {
93 	uDWord		dCSWSignature;
94 #define CSWSIGNATURE		0x53425355
95 #define CSWSIGNATURE_OLYMPUS_C1	0x55425355
96 	uDWord		dCSWTag;
97 	uDWord		dCSWDataResidue;
98 	uByte		bCSWStatus;
99 #define CSWSTATUS_GOOD	0x0
100 #define CSWSTATUS_FAILED 0x1
101 #define CSWSTATUS_PHASE	0x2
102 } umass_bbb_csw_t;
103 #define UMASS_BBB_CSW_SIZE	13
104 
105 /* CBI features */
106 
107 #define UR_CBI_ADSC	0x00
108 
109 typedef unsigned char umass_cbi_cbl_t[16];	/* Command block */
110 
111 typedef union {
112 	struct {
113 		uByte	type;
114 #define IDB_TYPE_CCI		0x00
115 		uByte	value;
116 #define IDB_VALUE_PASS		0x00
117 #define IDB_VALUE_FAIL		0x01
118 #define IDB_VALUE_PHASE		0x02
119 #define IDB_VALUE_PERSISTENT	0x03
120 #define IDB_VALUE_STATUS_MASK	0x03
121 	} common;
122 
123 	struct {
124 		uByte	asc;
125 		uByte	ascq;
126 	} ufi;
127 } umass_cbi_sbl_t;
128 
129 struct umass_softc;		/* see below */
130 
131 typedef void (*umass_callback)(struct umass_softc *, void *, int, int);
132 #define STATUS_CMD_OK		0	/* everything ok */
133 #define STATUS_CMD_UNKNOWN	1	/* will have to fetch sense */
134 #define STATUS_CMD_FAILED	2	/* transfer was ok, command failed */
135 #define STATUS_WIRE_FAILED	3	/* couldn't even get command across */
136 
137 typedef void (*umass_wire_xfer)(struct umass_softc *, int, void *, int, void *,
138 				int, int, u_int, umass_callback, void *);
139 typedef void (*umass_wire_reset)(struct umass_softc *, int);
140 typedef void (*umass_wire_state)(usbd_xfer_handle, usbd_private_handle,
141 				 usbd_status);
142 
143 struct umass_wire_methods {
144 	umass_wire_xfer		wire_xfer;
145 	umass_wire_reset	wire_reset;
146 	umass_wire_state	wire_state;
147 };
148 
149 struct umassbus_softc {
150 	device_ptr_t		sc_child;	/* child device, for detach */
151 };
152 
153 /* the per device structure */
154 struct umass_softc {
155 	USBBASEDEVICE		sc_dev;		/* base device */
156 	usbd_device_handle	sc_udev;	/* device */
157 	usbd_interface_handle	sc_iface;	/* interface */
158 	int			sc_ifaceno;	/* interface number */
159 
160 	u_int8_t		sc_epaddr[UMASS_NEP];
161 	usbd_pipe_handle	sc_pipe[UMASS_NEP];
162 	usb_device_request_t	sc_req;
163 
164 	const struct umass_wire_methods *sc_methods;
165 
166 	u_int8_t		sc_wire;	/* wire protocol */
167 #define	UMASS_WPROTO_UNSPEC	0
168 #define	UMASS_WPROTO_BBB	1
169 #define	UMASS_WPROTO_CBI	2
170 #define	UMASS_WPROTO_CBI_I	3
171 
172 	u_int8_t		sc_cmd;		/* command protocol */
173 #define	UMASS_CPROTO_UNSPEC	0
174 #define	UMASS_CPROTO_SCSI	1
175 #define	UMASS_CPROTO_ATAPI	2
176 #define	UMASS_CPROTO_UFI	3
177 #define	UMASS_CPROTO_RBC	4
178 #define UMASS_CPROTO_ISD_ATA	5
179 
180 	u_int32_t		sc_quirks;
181 #define	UMASS_QUIRK_RS_NO_CLEAR_UA	0x00000002
182 #define	UMASS_QUIRK_NO_START_STOP	0x00000004
183 #define	UMASS_QUIRK_FORCE_SHORT_INQUIRY	0x00000008
184 #define	UMASS_QUIRK_WRONG_CSWSIG	0x00000010
185 #define UMASS_QUIRK_NO_MAX_LUN		0x00000020
186 
187 	u_int32_t		sc_busquirks;
188 
189 	/* Bulk specific variables for transfers in progress */
190 	umass_bbb_cbw_t		cbw;	/* command block wrapper */
191 	umass_bbb_csw_t		csw;	/* command status wrapper*/
192 	/* CBI specific variables for transfers in progress */
193 	umass_cbi_cbl_t		cbl;	/* command block */
194 	umass_cbi_sbl_t		sbl;	/* status block */
195 
196 	/* xfer handles
197 	 * Most of our operations are initiated from interrupt context, so
198 	 * we need to avoid using the one that is in use. We want to avoid
199 	 * allocating them in the interrupt context as well.
200 	 */
201 	/* indices into array below */
202 #define XFER_BBB_CBW		0	/* Bulk-Only */
203 #define XFER_BBB_DATA		1
204 #define XFER_BBB_DCLEAR		2
205 #define XFER_BBB_CSW1		3
206 #define XFER_BBB_CSW2		4
207 #define XFER_BBB_SCLEAR		5
208 #define XFER_BBB_RESET1		6
209 #define XFER_BBB_RESET2		7
210 #define XFER_BBB_RESET3		8
211 
212 #define XFER_CBI_CB		0	/* CBI */
213 #define XFER_CBI_DATA		1
214 #define XFER_CBI_STATUS		2
215 #define XFER_CBI_DCLEAR		3
216 #define XFER_CBI_SCLEAR		4
217 #define XFER_CBI_RESET1		5
218 #define XFER_CBI_RESET2		6
219 #define XFER_CBI_RESET3		7
220 
221 #define XFER_NR			9	/* maximum number */
222 
223 	usbd_xfer_handle	transfer_xfer[XFER_NR]; /* for ctrl xfers */
224 
225 	void			*data_buffer;
226 
227 	int			transfer_dir;		/* data direction */
228 	void			*transfer_data;		/* data buffer */
229 	int			transfer_datalen;	/* (maximum) length */
230 	int			transfer_actlen;	/* actual length */
231 	umass_callback		transfer_cb;		/* callback */
232 	void			*transfer_priv;		/* for callback */
233 	int			transfer_status;
234 
235 	int			transfer_state;
236 #define TSTATE_IDLE			0
237 #define TSTATE_BBB_COMMAND		1	/* CBW transfer */
238 #define TSTATE_BBB_DATA			2	/* Data transfer */
239 #define TSTATE_BBB_DCLEAR		3	/* clear endpt stall */
240 #define TSTATE_BBB_STATUS1		4	/* clear endpt stall */
241 #define TSTATE_BBB_SCLEAR		5	/* clear endpt stall */
242 #define TSTATE_BBB_STATUS2		6	/* CSW transfer */
243 #define TSTATE_BBB_RESET1		7	/* reset command */
244 #define TSTATE_BBB_RESET2		8	/* in clear stall */
245 #define TSTATE_BBB_RESET3		9	/* out clear stall */
246 #define TSTATE_CBI_COMMAND		10	/* command transfer */
247 #define TSTATE_CBI_DATA			11	/* data transfer */
248 #define TSTATE_CBI_STATUS		12	/* status transfer */
249 #define TSTATE_CBI_DCLEAR		13	/* clear ep stall */
250 #define TSTATE_CBI_SCLEAR		14	/* clear ep stall */
251 #define TSTATE_CBI_RESET1		15	/* reset command */
252 #define TSTATE_CBI_RESET2		16	/* in clear stall */
253 #define TSTATE_CBI_RESET3		17	/* out clear stall */
254 #define TSTATE_STATES			18	/* # of states above */
255 
256 
257 	int			timeout;		/* in msecs */
258 
259 	u_int8_t		maxlun;			/* max lun supported */
260 
261 #ifdef UMASS_DEBUG
262 	struct timeval tv;
263 #endif
264 
265 	int			sc_xfer_flags;
266 	char			sc_dying;
267 
268 	struct umassbus_softc	*bus;		 /* bus dependent data */
269 };
270 
271 #define UMASS_MAX_TRANSFER_SIZE	MAXBSIZE
272