xref: /freebsd/sys/dev/sound/pci/hdspe.h (revision c697fb7f)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2012-2016 Ruslan Bukin <br@bsdpad.com>
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  * $FreeBSD$
29  */
30 
31 #define	PCI_VENDOR_XILINX		0x10ee
32 #define	PCI_DEVICE_XILINX_HDSPE		0x3fc6 /* AIO, MADI, AES, RayDAT */
33 #define	PCI_CLASS_REVISION		0x08
34 #define	PCI_REVISION_AIO		212
35 #define	PCI_REVISION_RAYDAT		211
36 
37 #define	AIO				0
38 #define	RAYDAT				1
39 
40 /* Hardware mixer */
41 #define	HDSPE_OUT_ENABLE_BASE		512
42 #define	HDSPE_IN_ENABLE_BASE		768
43 #define	HDSPE_MIXER_BASE		32768
44 #define	HDSPE_MAX_GAIN			32768
45 
46 /* Buffer */
47 #define	HDSPE_PAGE_ADDR_BUF_OUT		8192
48 #define	HDSPE_PAGE_ADDR_BUF_IN		(HDSPE_PAGE_ADDR_BUF_OUT + 64 * 16 * 4)
49 #define	HDSPE_BUF_POSITION_MASK		0x000FFC0
50 
51 /* Frequency */
52 #define	HDSPE_FREQ_0			(1 << 6)
53 #define	HDSPE_FREQ_1			(1 << 7)
54 #define	HDSPE_FREQ_DOUBLE		(1 << 8)
55 #define	HDSPE_FREQ_QUAD			(1 << 31)
56 
57 #define	HDSPE_FREQ_32000		HDSPE_FREQ_0
58 #define	HDSPE_FREQ_44100		HDSPE_FREQ_1
59 #define	HDSPE_FREQ_48000		(HDSPE_FREQ_0 | HDSPE_FREQ_1)
60 #define	HDSPE_FREQ_MASK			(HDSPE_FREQ_0 | HDSPE_FREQ_1 |	\
61 					HDSPE_FREQ_DOUBLE | HDSPE_FREQ_QUAD)
62 #define	HDSPE_FREQ_MASK_DEFAULT		HDSPE_FREQ_48000
63 #define	HDSPE_FREQ_REG			256
64 #define	HDSPE_FREQ_AIO			104857600000000ULL
65 
66 #define	HDSPE_SPEED_DEFAULT		48000
67 
68 /* Latency */
69 #define	HDSPE_LAT_0			(1 << 1)
70 #define	HDSPE_LAT_1			(1 << 2)
71 #define	HDSPE_LAT_2			(1 << 3)
72 #define	HDSPE_LAT_MASK			(HDSPE_LAT_0 | HDSPE_LAT_1 | HDSPE_LAT_2)
73 #define	HDSPE_LAT_BYTES_MAX		(4096 * 4)
74 #define	HDSPE_LAT_BYTES_MIN		(32 * 4)
75 #define	hdspe_encode_latency(x)		(((x)<<1) & HDSPE_LAT_MASK)
76 
77 /* Gain */
78 #define	HDSP_ADGain0			(1 << 25)
79 #define	HDSP_ADGain1			(1 << 26)
80 #define	HDSP_DAGain0			(1 << 27)
81 #define	HDSP_DAGain1			(1 << 28)
82 #define	HDSP_PhoneGain0			(1 << 29)
83 #define	HDSP_PhoneGain1			(1 << 30)
84 
85 #define	HDSP_ADGainMask			(HDSP_ADGain0 | HDSP_ADGain1)
86 #define	HDSP_ADGainMinus10dBV		(HDSP_ADGainMask)
87 #define	HDSP_ADGainPlus4dBu		(HDSP_ADGain0)
88 #define	HDSP_ADGainLowGain		0
89 
90 #define	HDSP_DAGainMask			(HDSP_DAGain0 | HDSP_DAGain1)
91 #define	HDSP_DAGainHighGain		(HDSP_DAGainMask)
92 #define	HDSP_DAGainPlus4dBu		(HDSP_DAGain0)
93 #define	HDSP_DAGainMinus10dBV		0
94 
95 #define	HDSP_PhoneGainMask		(HDSP_PhoneGain0|HDSP_PhoneGain1)
96 #define	HDSP_PhoneGain0dB		HDSP_PhoneGainMask
97 #define	HDSP_PhoneGainMinus6dB		(HDSP_PhoneGain0)
98 #define	HDSP_PhoneGainMinus12dB		0
99 
100 #define	HDSPM_statusRegister		0
101 #define	HDSPM_statusRegister2		192
102 
103 /* Settings */
104 #define	HDSPE_SETTINGS_REG		0
105 #define	HDSPE_CONTROL_REG		64
106 #define	HDSPE_STATUS_REG		0
107 #define	HDSPE_ENABLE			(1 << 0)
108 #define	HDSPM_CLOCK_MODE_MASTER		(1 << 4)
109 
110 /* Interrupts */
111 #define	HDSPE_AUDIO_IRQ_PENDING		(1 << 0)
112 #define	HDSPE_AUDIO_INT_ENABLE		(1 << 5)
113 #define	HDSPE_INTERRUPT_ACK		96
114 
115 /* Channels */
116 #define	HDSPE_MAX_SLOTS			64 /* Mono channels */
117 #define	HDSPE_MAX_CHANS			(HDSPE_MAX_SLOTS / 2) /* Stereo pairs */
118 
119 #define	HDSPE_CHANBUF_SAMPLES		(16 * 1024)
120 #define	HDSPE_CHANBUF_SIZE		(4 * HDSPE_CHANBUF_SAMPLES)
121 #define	HDSPE_DMASEGSIZE		(HDSPE_CHANBUF_SIZE * HDSPE_MAX_SLOTS)
122 
123 struct hdspe_channel {
124 	uint32_t	left;
125 	uint32_t	right;
126 	char		*descr;
127 	uint32_t	play;
128 	uint32_t	rec;
129 };
130 
131 static MALLOC_DEFINE(M_HDSPE, "hdspe", "hdspe audio");
132 
133 /* Channel registers */
134 struct sc_chinfo {
135 	struct snd_dbuf		*buffer;
136 	struct pcm_channel	*channel;
137 	struct sc_pcminfo	*parent;
138 
139 	/* Channel information */
140 	uint32_t	dir;
141 	uint32_t	format;
142 	uint32_t	lslot;
143 	uint32_t	rslot;
144 	uint32_t	lvol;
145 	uint32_t	rvol;
146 
147 	/* Buffer */
148 	uint32_t	*data;
149 	uint32_t	size;
150 
151 	/* Flags */
152 	uint32_t	run;
153 };
154 
155 /* PCM device private data */
156 struct sc_pcminfo {
157 	device_t		dev;
158 	uint32_t		(*ih) (struct sc_pcminfo *scp);
159 	uint32_t		chnum;
160 	struct sc_chinfo	chan[HDSPE_MAX_CHANS];
161 	struct sc_info		*sc;
162 	struct hdspe_channel	*hc;
163 };
164 
165 /* HDSPe device private data */
166 struct sc_info {
167 	device_t		dev;
168 	struct mtx		*lock;
169 
170 	uint32_t		ctrl_register;
171 	uint32_t		settings_register;
172 	uint32_t		type;
173 
174 	/* Control/Status register */
175 	struct resource		*cs;
176 	int			csid;
177 	bus_space_tag_t		cst;
178 	bus_space_handle_t	csh;
179 
180 	struct resource		*irq;
181 	int			irqid;
182 	void			*ih;
183 	bus_dma_tag_t		dmat;
184 
185 	/* Play/Record DMA buffers */
186 	uint32_t		*pbuf;
187 	uint32_t		*rbuf;
188 	uint32_t		bufsize;
189 	bus_dmamap_t		pmap;
190 	bus_dmamap_t		rmap;
191 	uint32_t		period;
192 	uint32_t		speed;
193 };
194 
195 #define	hdspe_read_1(sc, regno)						\
196 	bus_space_read_1((sc)->cst, (sc)->csh, (regno))
197 #define	hdspe_read_2(sc, regno)						\
198 	bus_space_read_2((sc)->cst, (sc)->csh, (regno))
199 #define	hdspe_read_4(sc, regno)						\
200 	bus_space_read_4((sc)->cst, (sc)->csh, (regno))
201 
202 #define	hdspe_write_1(sc, regno, data)					\
203 	bus_space_write_1((sc)->cst, (sc)->csh, (regno), (data))
204 #define	hdspe_write_2(sc, regno, data)					\
205 	bus_space_write_2((sc)->cst, (sc)->csh, (regno), (data))
206 #define	hdspe_write_4(sc, regno, data)					\
207 	bus_space_write_4((sc)->cst, (sc)->csh, (regno), (data))
208