xref: /freebsd/sys/dev/usb/controller/uss820dci.h (revision 5ca8e32633c4ffbbcd6762e5888b6a4ba0708c6c)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2007 Hans Petter Selasky <hselasky@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 
29 #ifndef _USS820_DCI_H_
30 #define	_USS820_DCI_H_
31 
32 #define	USS820_MAX_DEVICES (USB_MIN_DEVICES + 1)
33 
34 #define	USS820_EP_MAX 8			/* maximum number of endpoints */
35 
36 #define	USS820_TXDAT 0x00		/* Transmit FIFO data */
37 
38 #define	USS820_TXCNTL 0x01		/* Transmit FIFO byte count low */
39 #define	USS820_TXCNTL_MASK 0xFF
40 
41 #define	USS820_TXCNTH 0x02		/* Transmit FIFO byte count high */
42 #define	USS820_TXCNTH_MASK 0x03
43 #define	USS820_TXCNTH_UNUSED 0xFC
44 
45 #define	USS820_TXCON 0x03		/* USB transmit FIFO control */
46 #define	USS820_TXCON_REVRP 0x01
47 #define	USS820_TXCON_ADVRM 0x02
48 #define	USS820_TXCON_ATM 0x04		/* Automatic Transmit Management */
49 #define	USS820_TXCON_TXISO 0x08		/* Transmit Isochronous Data */
50 #define	USS820_TXCON_UNUSED 0x10
51 #define	USS820_TXCON_FFSZ_16_64 0x00
52 #define	USS820_TXCON_FFSZ_64_256 0x20
53 #define	USS820_TXCON_FFSZ_8_512 0x40
54 #define	USS820_TXCON_FFSZ_32_1024 0x60
55 #define	USS820_TXCON_FFSZ_MASK 0x60
56 #define	USS820_TXCON_TXCLR 0x80		/* Transmit FIFO clear */
57 
58 #define	USS820_TXFLG 0x04		/* Transmit FIFO flag (Read Only) */
59 #define	USS820_TXFLG_TXOVF 0x01		/* TX overrun */
60 #define	USS820_TXFLG_TXURF 0x02		/* TX underrun */
61 #define	USS820_TXFLG_TXFULL 0x04	/* TX full */
62 #define	USS820_TXFLG_TXEMP 0x08		/* TX empty */
63 #define	USS820_TXFLG_UNUSED 0x30
64 #define	USS820_TXFLG_TXFIF0 0x40
65 #define	USS820_TXFLG_TXFIF1 0x80
66 
67 #define	USS820_RXDAT 0x05		/* Receive FIFO data */
68 
69 #define	USS820_RXCNTL 0x06		/* Receive FIFO byte count low */
70 #define	USS820_RXCNTL_MASK 0xFF
71 
72 #define	USS820_RXCNTH 0x07		/* Receive FIFO byte count high */
73 #define	USS820_RXCNTH_MASK 0x03
74 #define	USS820_RXCNTH_UNUSED 0xFC
75 
76 #define	USS820_RXCON 0x08		/* Receive FIFO control */
77 #define	USS820_RXCON_REVWP 0x01
78 #define	USS820_RXCON_ADVWM 0x02
79 #define	USS820_RXCON_ARM 0x04		/* Auto Receive Management */
80 #define	USS820_RXCON_RXISO 0x08		/* Receive Isochronous Data */
81 #define	USS820_RXCON_RXFFRC 0x10	/* FIFO Read Complete */
82 #define	USS820_RXCON_FFSZ_16_64 0x00
83 #define	USS820_RXCON_FFSZ_64_256 0x20
84 #define	USS820_RXCON_FFSZ_8_512 0x40
85 #define	USS820_RXCON_FFSZ_32_1024 0x60
86 #define	USS820_RXCON_RXCLR 0x80		/* Receive FIFO clear */
87 
88 #define	USS820_RXFLG 0x09		/* Receive FIFO flag (Read Only) */
89 #define	USS820_RXFLG_RXOVF 0x01		/* RX overflow */
90 #define	USS820_RXFLG_RXURF 0x02		/* RX underflow */
91 #define	USS820_RXFLG_RXFULL 0x04	/* RX full */
92 #define	USS820_RXFLG_RXEMP 0x08		/* RX empty */
93 #define	USS820_RXFLG_RXFLUSH 0x10	/* RX flush */
94 #define	USS820_RXFLG_UNUSED 0x20
95 #define	USS820_RXFLG_RXFIF0 0x40
96 #define	USS820_RXFLG_RXFIF1 0x80
97 
98 #define	USS820_EPINDEX 0x0a		/* Endpoint index selection */
99 #define	USS820_EPINDEX_MASK 0x07
100 #define	USS820_EPINDEX_UNUSED 0xF8
101 
102 #define	USS820_EPCON 0x0b		/* Endpoint control */
103 #define	USS820_EPCON_TXEPEN 0x01	/* Transmit Endpoint Enable */
104 #define	USS820_EPCON_TXOE 0x02		/* Transmit Output Enable */
105 #define	USS820_EPCON_RXEPEN 0x04	/* Receive Endpoint Enable */
106 #define	USS820_EPCON_RXIE 0x08		/* Receive Input Enable */
107 #define	USS820_EPCON_RXSPM 0x10		/* Receive Single-Packet Mode */
108 #define	USS820_EPCON_CTLEP 0x20		/* Control Endpoint */
109 #define	USS820_EPCON_TXSTL 0x40		/* Stall Transmit Endpoint */
110 #define	USS820_EPCON_RXSTL 0x80		/* Stall Receive Endpoint */
111 
112 #define	USS820_TXSTAT 0x0c		/* Transmit status */
113 #define	USS820_TXSTAT_TXACK 0x01	/* Transmit Acknowledge */
114 #define	USS820_TXSTAT_TXERR 0x02	/* Transmit Error */
115 #define	USS820_TXSTAT_TXVOID 0x04	/* Transmit Void */
116 #define	USS820_TXSTAT_TXSOVW 0x08	/* Transmit Data Sequence Overwrite
117 					 * Bit */
118 #define	USS820_TXSTAT_TXFLUSH 0x10	/* Transmit FIFO Packet Flushed */
119 #define	USS820_TXSTAT_TXNAKE 0x20	/* Transmit NAK Mode Enable */
120 #define	USS820_TXSTAT_TXDSAM 0x40	/* Transmit Data-Set-Available Mode */
121 #define	USS820_TXSTAT_TXSEQ 0x80	/* Transmitter Current Sequence Bit */
122 
123 #define	USS820_RXSTAT 0x0d		/* Receive status */
124 #define	USS820_RXSTAT_RXACK 0x01	/* Receive Acknowledge */
125 #define	USS820_RXSTAT_RXERR 0x02	/* Receive Error */
126 #define	USS820_RXSTAT_RXVOID 0x04	/* Receive Void */
127 #define	USS820_RXSTAT_RXSOVW 0x08	/* Receive Data Sequence Overwrite Bit */
128 #define	USS820_RXSTAT_EDOVW 0x10	/* End Overwrite Flag */
129 #define	USS820_RXSTAT_STOVW 0x20	/* Start Overwrite Flag */
130 #define	USS820_RXSTAT_RXSETUP 0x40	/* Received SETUP token */
131 #define	USS820_RXSTAT_RXSEQ 0x80	/* Receiver Endpoint Sequence Bit */
132 
133 #define	USS820_SOFL 0x0e		/* Start Of Frame counter low */
134 #define	USS820_SOFL_MASK 0xFF
135 
136 #define	USS820_SOFH 0x0f		/* Start Of Frame counter high */
137 #define	USS820_SOFH_MASK 0x07
138 #define	USS820_SOFH_SOFDIS 0x08		/* SOF Pin Output Disable */
139 #define	USS820_SOFH_FTLOCK 0x10		/* Frame Timer Lock */
140 #define	USS820_SOFH_SOFIE 0x20		/* SOF Interrupt Enable */
141 #define	USS820_SOFH_ASOF 0x40		/* Any Start of Frame */
142 #define	USS820_SOFH_SOFACK 0x80		/* SOF Token Received Without Error */
143 
144 #define	USS820_FADDR 0x10		/* Function Address */
145 #define	USS820_FADDR_MASK 0x7F
146 #define	USS820_FADDR_UNUSED 0x80
147 
148 #define	USS820_SCR 0x11			/* System Control */
149 #define	USS820_SCR_UNUSED 0x01
150 #define	USS820_SCR_T_IRQ 0x02		/* Global Interrupt Enable */
151 #define	USS820_SCR_IRQLVL 0x04		/* Interrupt Mode */
152 #define	USS820_SCR_SRESET 0x08		/* Software reset */
153 #define	USS820_SCR_IE_RESET 0x10	/* Enable Reset Interrupt */
154 #define	USS820_SCR_IE_SUSP 0x20		/* Enable Suspend Interrupt */
155 #define	USS820_SCR_RWUPE 0x40		/* Enable Remote Wake-Up Feature */
156 #define	USS820_SCR_IRQPOL 0x80		/* IRQ polarity */
157 
158 #define	USS820_SSR 0x12			/* System Status */
159 #define	USS820_SSR_RESET 0x01		/* Reset Condition Detected on USB
160 					 * cable */
161 #define	USS820_SSR_SUSPEND 0x02		/* Suspend Detected */
162 #define	USS820_SSR_RESUME 0x04		/* Resume Detected */
163 #define	USS820_SSR_SUSPDIS 0x08		/* Suspend Disable */
164 #define	USS820_SSR_SUSPPO 0x10		/* Suspend Power Off */
165 #define	USS820_SSR_UNUSED 0xE0
166 
167 #define	USS820_UNK0 0x13		/* Unknown */
168 #define	USS820_UNK0_UNUSED 0xFF
169 
170 #define	USS820_SBI 0x14			/* Serial bus interrupt low */
171 #define	USS820_SBI_FTXD0 0x01		/* Function Transmit Done, EP 0 */
172 #define	USS820_SBI_FRXD0 0x02		/* Function Receive Done, EP 0 */
173 #define	USS820_SBI_FTXD1 0x04
174 #define	USS820_SBI_FRXD1 0x08
175 #define	USS820_SBI_FTXD2 0x10
176 #define	USS820_SBI_FRXD2 0x20
177 #define	USS820_SBI_FTXD3 0x40
178 #define	USS820_SBI_FRXD3 0x80
179 
180 #define	USS820_SBI1 0x15		/* Serial bus interrupt high */
181 #define	USS820_SBI1_FTXD4 0x01
182 #define	USS820_SBI1_FRXD4 0x02
183 #define	USS820_SBI1_FTXD5 0x04
184 #define	USS820_SBI1_FRXD5 0x08
185 #define	USS820_SBI1_FTXD6 0x10
186 #define	USS820_SBI1_FRXD6 0x20
187 #define	USS820_SBI1_FTXD7 0x40
188 #define	USS820_SBI1_FRXD7 0x80
189 
190 #define	USS820_SBIE 0x16		/* Serial bus interrupt enable low */
191 #define	USS820_SBIE_FTXIE0 0x01
192 #define	USS820_SBIE_FRXIE0 0x02
193 #define	USS820_SBIE_FTXIE1 0x04
194 #define	USS820_SBIE_FRXIE1 0x08
195 #define	USS820_SBIE_FTXIE2 0x10
196 #define	USS820_SBIE_FRXIE2 0x20
197 #define	USS820_SBIE_FTXIE3 0x40
198 #define	USS820_SBIE_FRXIE3 0x80
199 
200 #define	USS820_SBIE1 0x17		/* Serial bus interrupt enable high */
201 #define	USS820_SBIE1_FTXIE4 0x01
202 #define	USS820_SBIE1_FRXIE4 0x02
203 #define	USS820_SBIE1_FTXIE5 0x04
204 #define	USS820_SBIE1_FRXIE5 0x08
205 #define	USS820_SBIE1_FTXIE6 0x10
206 #define	USS820_SBIE1_FRXIE6 0x20
207 #define	USS820_SBIE1_FTXIE7 0x40
208 #define	USS820_SBIE1_FRXIE7 0x80
209 
210 #define	USS820_REV 0x18			/* Hardware revision */
211 #define	USS820_REV_MIN 0x0F
212 #define	USS820_REV_MAJ 0xF0
213 
214 #define	USS820_LOCK 0x19		/* Suspend power-off locking */
215 #define	USS820_LOCK_UNLOCKED 0x01
216 #define	USS820_LOCK_UNUSED 0xFE
217 
218 #define	USS820_PEND 0x1a		/* Pend hardware status update */
219 #define	USS820_PEND_PEND 0x01
220 #define	USS820_PEND_UNUSED 0xFE
221 
222 #define	USS820_SCRATCH 0x1b		/* Scratch firmware information */
223 #define	USS820_SCRATCH_MASK 0x7F
224 #define	USS820_SCRATCH_IE_RESUME 0x80	/* Enable Resume Interrupt */
225 
226 #define	USS820_MCSR 0x1c		/* Miscellaneous control and status */
227 #define	USS820_MCSR_DPEN 0x01		/* DPLS Pull-Up Enable */
228 #define	USS820_MCSR_SUSPLOE 0x02	/* Suspend Lock Out Enable */
229 #define	USS820_MCSR_BDFEAT 0x04		/* Board Feature Enable */
230 #define	USS820_MCSR_FEAT 0x08		/* Feature Enable */
231 #define	USS820_MCSR_PKGID 0x10		/* Package Identification */
232 #define	USS820_MCSR_SUSPS 0x20		/* Suspend Status */
233 #define	USS820_MCSR_INIT 0x40		/* Device Initialized */
234 #define	USS820_MCSR_RWUPR 0x80		/* Remote Wakeup-Up Remember */
235 
236 #define	USS820_DSAV 0x1d		/* Data set available low (Read Only) */
237 #define	USS820_DSAV_TXAV0 0x01
238 #define	USS820_DSAV_RXAV0 0x02
239 #define	USS820_DSAV_TXAV1 0x04
240 #define	USS820_DSAV_RXAV1 0x08
241 #define	USS820_DSAV_TXAV2 0x10
242 #define	USS820_DSAV_RXAV2 0x20
243 #define	USS820_DSAV_TXAV3 0x40
244 #define	USS820_DSAV_RXAV3 0x80
245 
246 #define	USS820_DSAV1 0x1e		/* Data set available high */
247 #define	USS820_DSAV1_TXAV4 0x01
248 #define	USS820_DSAV1_RXAV4 0x02
249 #define	USS820_DSAV1_TXAV5 0x04
250 #define	USS820_DSAV1_RXAV5 0x08
251 #define	USS820_DSAV1_TXAV6 0x10
252 #define	USS820_DSAV1_RXAV6 0x20
253 #define	USS820_DSAV1_TXAV7 0x40
254 #define	USS820_DSAV1_RXAV7 0x80
255 
256 #define	USS820_UNK1 0x1f		/* Unknown */
257 #define	USS820_UNK1_UNKNOWN 0xFF
258 
259 #ifndef USS820_REG_STRIDE
260 #define	USS820_REG_STRIDE 1
261 #endif
262 
263 #define	USS820_READ_1(sc, reg) \
264   bus_space_read_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (reg) * USS820_REG_STRIDE)
265 
266 #define	USS820_WRITE_1(sc, reg, data)	\
267   bus_space_write_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (reg) * USS820_REG_STRIDE, (data))
268 
269 struct uss820dci_td;
270 struct uss820dci_softc;
271 
272 typedef uint8_t (uss820dci_cmd_t)(struct uss820dci_softc *, struct uss820dci_td *td);
273 
274 struct uss820dci_td {
275 	struct uss820dci_td *obj_next;
276 	uss820dci_cmd_t *func;
277 	struct usb_page_cache *pc;
278 	uint32_t offset;
279 	uint32_t remainder;
280 	uint16_t max_packet_size;
281 	uint8_t	ep_index;
282 	uint8_t	error:1;
283 	uint8_t	alt_next:1;
284 	uint8_t	short_pkt:1;
285 	uint8_t	support_multi_buffer:1;
286 	uint8_t	did_stall:1;
287 	uint8_t	did_enable:1;
288 };
289 
290 struct uss820_std_temp {
291 	uss820dci_cmd_t *func;
292 	struct usb_page_cache *pc;
293 	struct uss820dci_td *td;
294 	struct uss820dci_td *td_next;
295 	uint32_t len;
296 	uint32_t offset;
297 	uint16_t max_frame_size;
298 	uint8_t	short_pkt;
299 	/*
300          * short_pkt = 0: transfer should be short terminated
301          * short_pkt = 1: transfer should not be short terminated
302          */
303 	uint8_t	setup_alt_next;
304 	uint8_t did_stall;
305 };
306 
307 struct uss820dci_config_desc {
308 	struct usb_config_descriptor confd;
309 	struct usb_interface_descriptor ifcd;
310 	struct usb_endpoint_descriptor endpd;
311 } __packed;
312 
313 union uss820_hub_temp {
314 	uWord	wValue;
315 	struct usb_port_status ps;
316 };
317 
318 struct uss820_flags {
319 	uint8_t	change_connect:1;
320 	uint8_t	change_suspend:1;
321 	uint8_t	status_suspend:1;	/* set if suspended */
322 	uint8_t	status_vbus:1;		/* set if present */
323 	uint8_t	status_bus_reset:1;	/* set if reset complete */
324 	uint8_t	clocks_off:1;
325 	uint8_t	port_powered:1;
326 	uint8_t	port_enabled:1;
327 	uint8_t	d_pulled_up:1;
328 	uint8_t	mcsr_feat:1;
329 };
330 
331 struct uss820dci_softc {
332 	struct usb_bus sc_bus;
333 	union uss820_hub_temp sc_hub_temp;
334 
335 	struct usb_device *sc_devices[USS820_MAX_DEVICES];
336 	struct resource *sc_io_res;
337 	struct resource *sc_irq_res;
338 	void   *sc_intr_hdl;
339 	bus_size_t sc_io_size;
340 	bus_space_tag_t sc_io_tag;
341 	bus_space_handle_t sc_io_hdl;
342 
343 	uint32_t sc_xfer_complete;
344 
345 	uint8_t	sc_rt_addr;		/* root HUB address */
346 	uint8_t	sc_dv_addr;		/* device address */
347 	uint8_t	sc_conf;		/* root HUB config */
348 
349 	uint8_t	sc_hub_idata[1];
350 
351 	struct uss820_flags sc_flags;
352 };
353 
354 /* prototypes */
355 
356 usb_error_t uss820dci_init(struct uss820dci_softc *sc);
357 void	uss820dci_uninit(struct uss820dci_softc *sc);
358 driver_filter_t uss820dci_filter_interrupt;
359 driver_intr_t uss820dci_interrupt;
360 
361 #endif					/* _USS820_DCI_H_ */
362