xref: /freebsd/sys/dev/usb/controller/uss820dci.h (revision 4e8d558c)
1 /* $FreeBSD$ */
2 /*-
3  * SPDX-License-Identifier: BSD-2-Clause
4  *
5  * Copyright (c) 2007 Hans Petter Selasky <hselasky@FreeBSD.org>
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  */
29 
30 #ifndef _USS820_DCI_H_
31 #define	_USS820_DCI_H_
32 
33 #define	USS820_MAX_DEVICES (USB_MIN_DEVICES + 1)
34 
35 #define	USS820_EP_MAX 8			/* maximum number of endpoints */
36 
37 #define	USS820_TXDAT 0x00		/* Transmit FIFO data */
38 
39 #define	USS820_TXCNTL 0x01		/* Transmit FIFO byte count low */
40 #define	USS820_TXCNTL_MASK 0xFF
41 
42 #define	USS820_TXCNTH 0x02		/* Transmit FIFO byte count high */
43 #define	USS820_TXCNTH_MASK 0x03
44 #define	USS820_TXCNTH_UNUSED 0xFC
45 
46 #define	USS820_TXCON 0x03		/* USB transmit FIFO control */
47 #define	USS820_TXCON_REVRP 0x01
48 #define	USS820_TXCON_ADVRM 0x02
49 #define	USS820_TXCON_ATM 0x04		/* Automatic Transmit Management */
50 #define	USS820_TXCON_TXISO 0x08		/* Transmit Isochronous Data */
51 #define	USS820_TXCON_UNUSED 0x10
52 #define	USS820_TXCON_FFSZ_16_64 0x00
53 #define	USS820_TXCON_FFSZ_64_256 0x20
54 #define	USS820_TXCON_FFSZ_8_512 0x40
55 #define	USS820_TXCON_FFSZ_32_1024 0x60
56 #define	USS820_TXCON_FFSZ_MASK 0x60
57 #define	USS820_TXCON_TXCLR 0x80		/* Transmit FIFO clear */
58 
59 #define	USS820_TXFLG 0x04		/* Transmit FIFO flag (Read Only) */
60 #define	USS820_TXFLG_TXOVF 0x01		/* TX overrun */
61 #define	USS820_TXFLG_TXURF 0x02		/* TX underrun */
62 #define	USS820_TXFLG_TXFULL 0x04	/* TX full */
63 #define	USS820_TXFLG_TXEMP 0x08		/* TX empty */
64 #define	USS820_TXFLG_UNUSED 0x30
65 #define	USS820_TXFLG_TXFIF0 0x40
66 #define	USS820_TXFLG_TXFIF1 0x80
67 
68 #define	USS820_RXDAT 0x05		/* Receive FIFO data */
69 
70 #define	USS820_RXCNTL 0x06		/* Receive FIFO byte count low */
71 #define	USS820_RXCNTL_MASK 0xFF
72 
73 #define	USS820_RXCNTH 0x07		/* Receive FIFO byte count high */
74 #define	USS820_RXCNTH_MASK 0x03
75 #define	USS820_RXCNTH_UNUSED 0xFC
76 
77 #define	USS820_RXCON 0x08		/* Receive FIFO control */
78 #define	USS820_RXCON_REVWP 0x01
79 #define	USS820_RXCON_ADVWM 0x02
80 #define	USS820_RXCON_ARM 0x04		/* Auto Receive Management */
81 #define	USS820_RXCON_RXISO 0x08		/* Receive Isochronous Data */
82 #define	USS820_RXCON_RXFFRC 0x10	/* FIFO Read Complete */
83 #define	USS820_RXCON_FFSZ_16_64 0x00
84 #define	USS820_RXCON_FFSZ_64_256 0x20
85 #define	USS820_RXCON_FFSZ_8_512 0x40
86 #define	USS820_RXCON_FFSZ_32_1024 0x60
87 #define	USS820_RXCON_RXCLR 0x80		/* Receive FIFO clear */
88 
89 #define	USS820_RXFLG 0x09		/* Receive FIFO flag (Read Only) */
90 #define	USS820_RXFLG_RXOVF 0x01		/* RX overflow */
91 #define	USS820_RXFLG_RXURF 0x02		/* RX underflow */
92 #define	USS820_RXFLG_RXFULL 0x04	/* RX full */
93 #define	USS820_RXFLG_RXEMP 0x08		/* RX empty */
94 #define	USS820_RXFLG_RXFLUSH 0x10	/* RX flush */
95 #define	USS820_RXFLG_UNUSED 0x20
96 #define	USS820_RXFLG_RXFIF0 0x40
97 #define	USS820_RXFLG_RXFIF1 0x80
98 
99 #define	USS820_EPINDEX 0x0a		/* Endpoint index selection */
100 #define	USS820_EPINDEX_MASK 0x07
101 #define	USS820_EPINDEX_UNUSED 0xF8
102 
103 #define	USS820_EPCON 0x0b		/* Endpoint control */
104 #define	USS820_EPCON_TXEPEN 0x01	/* Transmit Endpoint Enable */
105 #define	USS820_EPCON_TXOE 0x02		/* Transmit Output Enable */
106 #define	USS820_EPCON_RXEPEN 0x04	/* Receive Endpoint Enable */
107 #define	USS820_EPCON_RXIE 0x08		/* Receive Input Enable */
108 #define	USS820_EPCON_RXSPM 0x10		/* Receive Single-Packet Mode */
109 #define	USS820_EPCON_CTLEP 0x20		/* Control Endpoint */
110 #define	USS820_EPCON_TXSTL 0x40		/* Stall Transmit Endpoint */
111 #define	USS820_EPCON_RXSTL 0x80		/* Stall Receive Endpoint */
112 
113 #define	USS820_TXSTAT 0x0c		/* Transmit status */
114 #define	USS820_TXSTAT_TXACK 0x01	/* Transmit Acknowledge */
115 #define	USS820_TXSTAT_TXERR 0x02	/* Transmit Error */
116 #define	USS820_TXSTAT_TXVOID 0x04	/* Transmit Void */
117 #define	USS820_TXSTAT_TXSOVW 0x08	/* Transmit Data Sequence Overwrite
118 					 * Bit */
119 #define	USS820_TXSTAT_TXFLUSH 0x10	/* Transmit FIFO Packet Flushed */
120 #define	USS820_TXSTAT_TXNAKE 0x20	/* Transmit NAK Mode Enable */
121 #define	USS820_TXSTAT_TXDSAM 0x40	/* Transmit Data-Set-Available Mode */
122 #define	USS820_TXSTAT_TXSEQ 0x80	/* Transmitter Current Sequence Bit */
123 
124 #define	USS820_RXSTAT 0x0d		/* Receive status */
125 #define	USS820_RXSTAT_RXACK 0x01	/* Receive Acknowledge */
126 #define	USS820_RXSTAT_RXERR 0x02	/* Receive Error */
127 #define	USS820_RXSTAT_RXVOID 0x04	/* Receive Void */
128 #define	USS820_RXSTAT_RXSOVW 0x08	/* Receive Data Sequence Overwrite Bit */
129 #define	USS820_RXSTAT_EDOVW 0x10	/* End Overwrite Flag */
130 #define	USS820_RXSTAT_STOVW 0x20	/* Start Overwrite Flag */
131 #define	USS820_RXSTAT_RXSETUP 0x40	/* Received SETUP token */
132 #define	USS820_RXSTAT_RXSEQ 0x80	/* Receiver Endpoint Sequence Bit */
133 
134 #define	USS820_SOFL 0x0e		/* Start Of Frame counter low */
135 #define	USS820_SOFL_MASK 0xFF
136 
137 #define	USS820_SOFH 0x0f		/* Start Of Frame counter high */
138 #define	USS820_SOFH_MASK 0x07
139 #define	USS820_SOFH_SOFDIS 0x08		/* SOF Pin Output Disable */
140 #define	USS820_SOFH_FTLOCK 0x10		/* Frame Timer Lock */
141 #define	USS820_SOFH_SOFIE 0x20		/* SOF Interrupt Enable */
142 #define	USS820_SOFH_ASOF 0x40		/* Any Start of Frame */
143 #define	USS820_SOFH_SOFACK 0x80		/* SOF Token Received Without Error */
144 
145 #define	USS820_FADDR 0x10		/* Function Address */
146 #define	USS820_FADDR_MASK 0x7F
147 #define	USS820_FADDR_UNUSED 0x80
148 
149 #define	USS820_SCR 0x11			/* System Control */
150 #define	USS820_SCR_UNUSED 0x01
151 #define	USS820_SCR_T_IRQ 0x02		/* Global Interrupt Enable */
152 #define	USS820_SCR_IRQLVL 0x04		/* Interrupt Mode */
153 #define	USS820_SCR_SRESET 0x08		/* Software reset */
154 #define	USS820_SCR_IE_RESET 0x10	/* Enable Reset Interrupt */
155 #define	USS820_SCR_IE_SUSP 0x20		/* Enable Suspend Interrupt */
156 #define	USS820_SCR_RWUPE 0x40		/* Enable Remote Wake-Up Feature */
157 #define	USS820_SCR_IRQPOL 0x80		/* IRQ polarity */
158 
159 #define	USS820_SSR 0x12			/* System Status */
160 #define	USS820_SSR_RESET 0x01		/* Reset Condition Detected on USB
161 					 * cable */
162 #define	USS820_SSR_SUSPEND 0x02		/* Suspend Detected */
163 #define	USS820_SSR_RESUME 0x04		/* Resume Detected */
164 #define	USS820_SSR_SUSPDIS 0x08		/* Suspend Disable */
165 #define	USS820_SSR_SUSPPO 0x10		/* Suspend Power Off */
166 #define	USS820_SSR_UNUSED 0xE0
167 
168 #define	USS820_UNK0 0x13		/* Unknown */
169 #define	USS820_UNK0_UNUSED 0xFF
170 
171 #define	USS820_SBI 0x14			/* Serial bus interrupt low */
172 #define	USS820_SBI_FTXD0 0x01		/* Function Transmit Done, EP 0 */
173 #define	USS820_SBI_FRXD0 0x02		/* Function Receive Done, EP 0 */
174 #define	USS820_SBI_FTXD1 0x04
175 #define	USS820_SBI_FRXD1 0x08
176 #define	USS820_SBI_FTXD2 0x10
177 #define	USS820_SBI_FRXD2 0x20
178 #define	USS820_SBI_FTXD3 0x40
179 #define	USS820_SBI_FRXD3 0x80
180 
181 #define	USS820_SBI1 0x15		/* Serial bus interrupt high */
182 #define	USS820_SBI1_FTXD4 0x01
183 #define	USS820_SBI1_FRXD4 0x02
184 #define	USS820_SBI1_FTXD5 0x04
185 #define	USS820_SBI1_FRXD5 0x08
186 #define	USS820_SBI1_FTXD6 0x10
187 #define	USS820_SBI1_FRXD6 0x20
188 #define	USS820_SBI1_FTXD7 0x40
189 #define	USS820_SBI1_FRXD7 0x80
190 
191 #define	USS820_SBIE 0x16		/* Serial bus interrupt enable low */
192 #define	USS820_SBIE_FTXIE0 0x01
193 #define	USS820_SBIE_FRXIE0 0x02
194 #define	USS820_SBIE_FTXIE1 0x04
195 #define	USS820_SBIE_FRXIE1 0x08
196 #define	USS820_SBIE_FTXIE2 0x10
197 #define	USS820_SBIE_FRXIE2 0x20
198 #define	USS820_SBIE_FTXIE3 0x40
199 #define	USS820_SBIE_FRXIE3 0x80
200 
201 #define	USS820_SBIE1 0x17		/* Serial bus interrupt enable high */
202 #define	USS820_SBIE1_FTXIE4 0x01
203 #define	USS820_SBIE1_FRXIE4 0x02
204 #define	USS820_SBIE1_FTXIE5 0x04
205 #define	USS820_SBIE1_FRXIE5 0x08
206 #define	USS820_SBIE1_FTXIE6 0x10
207 #define	USS820_SBIE1_FRXIE6 0x20
208 #define	USS820_SBIE1_FTXIE7 0x40
209 #define	USS820_SBIE1_FRXIE7 0x80
210 
211 #define	USS820_REV 0x18			/* Hardware revision */
212 #define	USS820_REV_MIN 0x0F
213 #define	USS820_REV_MAJ 0xF0
214 
215 #define	USS820_LOCK 0x19		/* Suspend power-off locking */
216 #define	USS820_LOCK_UNLOCKED 0x01
217 #define	USS820_LOCK_UNUSED 0xFE
218 
219 #define	USS820_PEND 0x1a		/* Pend hardware status update */
220 #define	USS820_PEND_PEND 0x01
221 #define	USS820_PEND_UNUSED 0xFE
222 
223 #define	USS820_SCRATCH 0x1b		/* Scratch firmware information */
224 #define	USS820_SCRATCH_MASK 0x7F
225 #define	USS820_SCRATCH_IE_RESUME 0x80	/* Enable Resume Interrupt */
226 
227 #define	USS820_MCSR 0x1c		/* Miscellaneous control and status */
228 #define	USS820_MCSR_DPEN 0x01		/* DPLS Pull-Up Enable */
229 #define	USS820_MCSR_SUSPLOE 0x02	/* Suspend Lock Out Enable */
230 #define	USS820_MCSR_BDFEAT 0x04		/* Board Feature Enable */
231 #define	USS820_MCSR_FEAT 0x08		/* Feature Enable */
232 #define	USS820_MCSR_PKGID 0x10		/* Package Identification */
233 #define	USS820_MCSR_SUSPS 0x20		/* Suspend Status */
234 #define	USS820_MCSR_INIT 0x40		/* Device Initialized */
235 #define	USS820_MCSR_RWUPR 0x80		/* Remote Wakeup-Up Remember */
236 
237 #define	USS820_DSAV 0x1d		/* Data set available low (Read Only) */
238 #define	USS820_DSAV_TXAV0 0x01
239 #define	USS820_DSAV_RXAV0 0x02
240 #define	USS820_DSAV_TXAV1 0x04
241 #define	USS820_DSAV_RXAV1 0x08
242 #define	USS820_DSAV_TXAV2 0x10
243 #define	USS820_DSAV_RXAV2 0x20
244 #define	USS820_DSAV_TXAV3 0x40
245 #define	USS820_DSAV_RXAV3 0x80
246 
247 #define	USS820_DSAV1 0x1e		/* Data set available high */
248 #define	USS820_DSAV1_TXAV4 0x01
249 #define	USS820_DSAV1_RXAV4 0x02
250 #define	USS820_DSAV1_TXAV5 0x04
251 #define	USS820_DSAV1_RXAV5 0x08
252 #define	USS820_DSAV1_TXAV6 0x10
253 #define	USS820_DSAV1_RXAV6 0x20
254 #define	USS820_DSAV1_TXAV7 0x40
255 #define	USS820_DSAV1_RXAV7 0x80
256 
257 #define	USS820_UNK1 0x1f		/* Unknown */
258 #define	USS820_UNK1_UNKNOWN 0xFF
259 
260 #ifndef USS820_REG_STRIDE
261 #define	USS820_REG_STRIDE 1
262 #endif
263 
264 #define	USS820_READ_1(sc, reg) \
265   bus_space_read_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (reg) * USS820_REG_STRIDE)
266 
267 #define	USS820_WRITE_1(sc, reg, data)	\
268   bus_space_write_1((sc)->sc_io_tag, (sc)->sc_io_hdl, (reg) * USS820_REG_STRIDE, (data))
269 
270 struct uss820dci_td;
271 struct uss820dci_softc;
272 
273 typedef uint8_t (uss820dci_cmd_t)(struct uss820dci_softc *, struct uss820dci_td *td);
274 
275 struct uss820dci_td {
276 	struct uss820dci_td *obj_next;
277 	uss820dci_cmd_t *func;
278 	struct usb_page_cache *pc;
279 	uint32_t offset;
280 	uint32_t remainder;
281 	uint16_t max_packet_size;
282 	uint8_t	ep_index;
283 	uint8_t	error:1;
284 	uint8_t	alt_next:1;
285 	uint8_t	short_pkt:1;
286 	uint8_t	support_multi_buffer:1;
287 	uint8_t	did_stall:1;
288 	uint8_t	did_enable:1;
289 };
290 
291 struct uss820_std_temp {
292 	uss820dci_cmd_t *func;
293 	struct usb_page_cache *pc;
294 	struct uss820dci_td *td;
295 	struct uss820dci_td *td_next;
296 	uint32_t len;
297 	uint32_t offset;
298 	uint16_t max_frame_size;
299 	uint8_t	short_pkt;
300 	/*
301          * short_pkt = 0: transfer should be short terminated
302          * short_pkt = 1: transfer should not be short terminated
303          */
304 	uint8_t	setup_alt_next;
305 	uint8_t did_stall;
306 };
307 
308 struct uss820dci_config_desc {
309 	struct usb_config_descriptor confd;
310 	struct usb_interface_descriptor ifcd;
311 	struct usb_endpoint_descriptor endpd;
312 } __packed;
313 
314 union uss820_hub_temp {
315 	uWord	wValue;
316 	struct usb_port_status ps;
317 };
318 
319 struct uss820_flags {
320 	uint8_t	change_connect:1;
321 	uint8_t	change_suspend:1;
322 	uint8_t	status_suspend:1;	/* set if suspended */
323 	uint8_t	status_vbus:1;		/* set if present */
324 	uint8_t	status_bus_reset:1;	/* set if reset complete */
325 	uint8_t	clocks_off:1;
326 	uint8_t	port_powered:1;
327 	uint8_t	port_enabled:1;
328 	uint8_t	d_pulled_up:1;
329 	uint8_t	mcsr_feat:1;
330 };
331 
332 struct uss820dci_softc {
333 	struct usb_bus sc_bus;
334 	union uss820_hub_temp sc_hub_temp;
335 
336 	struct usb_device *sc_devices[USS820_MAX_DEVICES];
337 	struct resource *sc_io_res;
338 	struct resource *sc_irq_res;
339 	void   *sc_intr_hdl;
340 	bus_size_t sc_io_size;
341 	bus_space_tag_t sc_io_tag;
342 	bus_space_handle_t sc_io_hdl;
343 
344 	uint32_t sc_xfer_complete;
345 
346 	uint8_t	sc_rt_addr;		/* root HUB address */
347 	uint8_t	sc_dv_addr;		/* device address */
348 	uint8_t	sc_conf;		/* root HUB config */
349 
350 	uint8_t	sc_hub_idata[1];
351 
352 	struct uss820_flags sc_flags;
353 };
354 
355 /* prototypes */
356 
357 usb_error_t uss820dci_init(struct uss820dci_softc *sc);
358 void	uss820dci_uninit(struct uss820dci_softc *sc);
359 driver_filter_t uss820dci_filter_interrupt;
360 driver_intr_t uss820dci_interrupt;
361 
362 #endif					/* _USS820_DCI_H_ */
363