xref: /freebsd/sys/dev/sound/pci/hdsp.h (revision 415efcecd8b80f68e76376ef2b854cb6f5c84b5a)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2012-2016 Ruslan Bukin <br@bsdpad.com>
5  * Copyright (c) 2023-2024 Florian Walpen <dev@submerge.ch>
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 #define	PCI_VENDOR_XILINX		0x10ee
31 #define	PCI_DEVICE_XILINX_HDSP		0x3fc5 /* HDSP 9652 */
32 #define	PCI_REVISION_9632		0x9b
33 #define	PCI_REVISION_9652		0x6c
34 
35 #define	HDSP_9632			0
36 #define	HDSP_9652			1
37 
38 /* Hardware mixer */
39 #define	HDSP_OUT_ENABLE_BASE		128
40 #define	HDSP_IN_ENABLE_BASE		384
41 #define	HDSP_MIXER_BASE			4096
42 #define	HDSP_MAX_GAIN			32768
43 #define	HDSP_MIN_GAIN			0
44 #define	HDSP_MIX_SLOTS_9632		16
45 #define	HDSP_MIX_SLOTS_9652		26
46 #define	HDSP_CONTROL2_9652_MIXER	(1 << 11)
47 
48 /* Buffer */
49 #define	HDSP_PAGE_ADDR_BUF_OUT		32
50 #define	HDSP_PAGE_ADDR_BUF_IN		36
51 #define	HDSP_BUF_POSITION_MASK		0x000FFC0
52 
53 /* Frequency */
54 #define	HDSP_FREQ_0			(1 << 6)
55 #define	HDSP_FREQ_1			(1 << 7)
56 #define	HDSP_FREQ_DOUBLE		(1 << 8)
57 #define	HDSP_FREQ_QUAD			(1 << 31)
58 
59 #define	HDSP_FREQ_32000			HDSP_FREQ_0
60 #define	HDSP_FREQ_44100			HDSP_FREQ_1
61 #define	HDSP_FREQ_48000			(HDSP_FREQ_0 | HDSP_FREQ_1)
62 #define	HDSP_FREQ_MASK			(HDSP_FREQ_0 | HDSP_FREQ_1 |	\
63 					HDSP_FREQ_DOUBLE | HDSP_FREQ_QUAD)
64 #define	HDSP_FREQ_MASK_DEFAULT		HDSP_FREQ_48000
65 #define	HDSP_FREQ_REG			0
66 #define	HDSP_FREQ_9632			104857600000000ULL
67 #define	hdsp_freq_multiplier(s)		(((s) > 96000) ? 4 : \
68 					(((s) > 48000) ? 2 : 1))
69 #define	hdsp_freq_single(s)		((s) / hdsp_freq_multiplier(s))
70 #define	hdsp_freq_reg_value(s)		(HDSP_FREQ_9632 / hdsp_freq_single(s))
71 
72 #define	HDSP_SPEED_DEFAULT		48000
73 
74 /* Latency */
75 #define	HDSP_LAT_0			(1 << 1)
76 #define	HDSP_LAT_1			(1 << 2)
77 #define	HDSP_LAT_2			(1 << 3)
78 #define	HDSP_LAT_MASK			(HDSP_LAT_0 | HDSP_LAT_1 | HDSP_LAT_2)
79 #define	HDSP_LAT_BYTES_MAX		(4096 * 4)
80 #define	HDSP_LAT_BYTES_MIN		(32 * 4)
81 #define	hdsp_encode_latency(x)		(((x)<<1) & HDSP_LAT_MASK)
82 
83 /* Register addresses */
84 #define	HDSP_RESET_POINTER		0
85 #define	HDSP_CONTROL_REG		64
86 #define	HDSP_CONTROL2_REG		256
87 #define	HDSP_STATUS_REG			0
88 #define	HDSP_STATUS2_REG		192
89 
90 /* Control register flags */
91 #define	HDSP_ENABLE			(1 << 0)
92 #define	HDSP_CONTROL_SPDIF_COAX		(1 << 14)
93 #define	HDSP_CONTROL_LINE_OUT		(1 << 24)
94 #define	HDSP_CONTROL_INPUT_GAIN0	(1 << 25)
95 #define	HDSP_CONTROL_INPUT_GAIN1	(1 << 26)
96 #define	HDSP_CONTROL_OUTPUT_GAIN0	(1 << 27)
97 #define	HDSP_CONTROL_OUTPUT_GAIN1	(1 << 28)
98 #define	HDSP_CONTROL_PHONES_GAIN0	(1 << 29)
99 #define	HDSP_CONTROL_PHONES_GAIN1	(1 << 30)
100 
101 /* Analog input gain level */
102 #define	HDSP_INPUT_LEVEL_MASK		(HDSP_CONTROL_INPUT_GAIN0 | \
103 					HDSP_CONTROL_INPUT_GAIN1)
104 #define	HDSP_INPUT_LEVEL_LOWGAIN	0
105 #define	HDSP_INPUT_LEVEL_PLUS4DBU	(HDSP_CONTROL_INPUT_GAIN0)
106 #define	HDSP_INPUT_LEVEL_MINUS10DBV	(HDSP_CONTROL_INPUT_GAIN0 | \
107 					HDSP_CONTROL_INPUT_GAIN1)
108 
109 /* Analog output gain level */
110 #define	HDSP_OUTPUT_LEVEL_MASK		(HDSP_CONTROL_OUTPUT_GAIN0 | \
111 					HDSP_CONTROL_OUTPUT_GAIN1)
112 #define	HDSP_OUTPUT_LEVEL_MINUS10DBV	0
113 #define	HDSP_OUTPUT_LEVEL_PLUS4DBU	(HDSP_CONTROL_OUTPUT_GAIN0)
114 #define	HDSP_OUTPUT_LEVEL_HIGHGAIN	(HDSP_CONTROL_OUTPUT_GAIN0 | \
115 					HDSP_CONTROL_OUTPUT_GAIN1)
116 
117 /* Phones output gain level */
118 #define	HDSP_PHONES_LEVEL_MASK		(HDSP_CONTROL_PHONES_GAIN0 | \
119 					HDSP_CONTROL_PHONES_GAIN1)
120 #define	HDSP_PHONES_LEVEL_MINUS12DB	0
121 #define	HDSP_PHONES_LEVEL_MINUS6DB	(HDSP_CONTROL_PHONES_GAIN0)
122 #define	HDSP_PHONES_LEVEL_0DB		(HDSP_CONTROL_PHONES_GAIN0 | \
123 					HDSP_CONTROL_PHONES_GAIN1)
124 
125 /* Interrupts */
126 #define	HDSP_AUDIO_IRQ_PENDING		(1 << 0)
127 #define	HDSP_AUDIO_INT_ENABLE		(1 << 5)
128 #define	HDSP_INTERRUPT_ACK		96
129 
130 /* Channels */
131 #define	HDSP_MAX_SLOTS			64 /* Mono channels */
132 #define	HDSP_MAX_CHANS			(HDSP_MAX_SLOTS / 2) /* Stereo pairs */
133 
134 #define	HDSP_CHANBUF_SAMPLES		(16 * 1024)
135 #define	HDSP_CHANBUF_SIZE		(4 * HDSP_CHANBUF_SAMPLES)
136 #define	HDSP_DMASEGSIZE			(HDSP_CHANBUF_SIZE * HDSP_MAX_SLOTS)
137 
138 #define	HDSP_CHAN_9632_ADAT		(1 << 0)
139 #define	HDSP_CHAN_9632_SPDIF		(1 << 1)
140 #define	HDSP_CHAN_9632_LINE		(1 << 2)
141 #define	HDSP_CHAN_9632_EXT		(1 << 3) /* Extension boards */
142 #define	HDSP_CHAN_9632_ALL		(HDSP_CHAN_9632_ADAT | \
143 					HDSP_CHAN_9632_SPDIF | \
144 					HDSP_CHAN_9632_LINE | \
145 					HDSP_CHAN_9632_EXT)
146 
147 #define	HDSP_CHAN_9652_ADAT1		(1 << 5)
148 #define	HDSP_CHAN_9652_ADAT2		(1 << 6)
149 #define	HDSP_CHAN_9652_ADAT3		(1 << 7)
150 #define	HDSP_CHAN_9652_ADAT_ALL		(HDSP_CHAN_9652_ADAT1 | \
151 					HDSP_CHAN_9652_ADAT2 | \
152 					HDSP_CHAN_9652_ADAT3)
153 #define	HDSP_CHAN_9652_SPDIF		(1 << 8)
154 #define	HDSP_CHAN_9652_ALL		(HDSP_CHAN_9652_ADAT_ALL | \
155 					HDSP_CHAN_9652_SPDIF)
156 
157 struct hdsp_channel {
158 	uint32_t	ports;
159 	char		*descr;
160 };
161 
162 enum hdsp_clock_type {
163 	HDSP_CLOCK_INTERNAL,
164 	HDSP_CLOCK_ADAT1,
165 	HDSP_CLOCK_ADAT2,
166 	HDSP_CLOCK_ADAT3,
167 	HDSP_CLOCK_SPDIF,
168 	HDSP_CLOCK_WORD,
169 	HDSP_CLOCK_ADAT_SYNC
170 };
171 
172 /* Preferred clock source. */
173 #define	HDSP_CONTROL_MASTER		(1 << 4)
174 #define HDSP_CONTROL_CLOCK_MASK		(HDSP_CONTROL_MASTER | (1 << 13) | \
175 					(1 << 16) | (1 << 17))
176 #define HDSP_CONTROL_CLOCK(n)		(((n & 0x04) << 11) | ((n & 0x03) << 16))
177 
178 /* Autosync selected clock source. */
179 #define HDSP_STATUS2_CLOCK(n)		((n & 0x07) << 8)
180 #define HDSP_STATUS2_CLOCK_MASK		HDSP_STATUS2_CLOCK(0x07);
181 
182 struct hdsp_clock_source {
183 	char			*name;
184 	enum hdsp_clock_type	type;
185 };
186 
187 static MALLOC_DEFINE(M_HDSP, "hdsp", "hdsp audio");
188 
189 /* Channel registers */
190 struct sc_chinfo {
191 	struct snd_dbuf		*buffer;
192 	struct pcm_channel	*channel;
193 	struct sc_pcminfo	*parent;
194 
195 	/* Channel information */
196 	struct pcmchan_caps	*caps;
197 	uint32_t	cap_fmts[4];
198 	uint32_t	dir;
199 	uint32_t	format;
200 	uint32_t	ports;
201 	uint32_t	lvol;
202 	uint32_t	rvol;
203 
204 	/* Buffer */
205 	uint32_t	*data;
206 	uint32_t	size;
207 	uint32_t	position;
208 
209 	/* Flags */
210 	uint32_t	run;
211 };
212 
213 /* PCM device private data */
214 struct sc_pcminfo {
215 	device_t		dev;
216 	uint32_t		(*ih) (struct sc_pcminfo *scp);
217 	uint32_t		chnum;
218 	struct sc_chinfo	chan[HDSP_MAX_CHANS];
219 	struct sc_info		*sc;
220 	struct hdsp_channel	*hc;
221 };
222 
223 /* HDSP device private data */
224 struct sc_info {
225 	device_t		dev;
226 	struct mtx		*lock;
227 
228 	uint32_t		ctrl_register;
229 	uint32_t		type;
230 
231 	/* Control/Status register */
232 	struct resource		*cs;
233 	int			csid;
234 	bus_space_tag_t		cst;
235 	bus_space_handle_t	csh;
236 
237 	struct resource		*irq;
238 	int			irqid;
239 	void			*ih;
240 	bus_dma_tag_t		dmat;
241 
242 	/* Play/Record DMA buffers */
243 	uint32_t		*pbuf;
244 	uint32_t		*rbuf;
245 	uint32_t		bufsize;
246 	bus_dmamap_t		pmap;
247 	bus_dmamap_t		rmap;
248 	uint32_t		period;
249 	uint32_t		speed;
250 	uint32_t		force_period;
251 	uint32_t		force_speed;
252 };
253 
254 #define	hdsp_read_1(sc, regno)						\
255 	bus_space_read_1((sc)->cst, (sc)->csh, (regno))
256 #define	hdsp_read_2(sc, regno)						\
257 	bus_space_read_2((sc)->cst, (sc)->csh, (regno))
258 #define	hdsp_read_4(sc, regno)						\
259 	bus_space_read_4((sc)->cst, (sc)->csh, (regno))
260 
261 #define	hdsp_write_1(sc, regno, data)					\
262 	bus_space_write_1((sc)->cst, (sc)->csh, (regno), (data))
263 #define	hdsp_write_2(sc, regno, data)					\
264 	bus_space_write_2((sc)->cst, (sc)->csh, (regno), (data))
265 #define	hdsp_write_4(sc, regno, data)					\
266 	bus_space_write_4((sc)->cst, (sc)->csh, (regno), (data))
267