xref: /freebsd/sys/dev/sound/pci/hdspe.h (revision 0b3105a37d7adcadcb720112fed4dc4e8040be99)
1 /*-
2  * Copyright (c) 2012-2016 Ruslan Bukin <br@bsdpad.com>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  * $FreeBSD$
27  */
28 
29 #define	PCI_VENDOR_XILINX		0x10ee
30 #define	PCI_DEVICE_XILINX_HDSPE		0x3fc6 /* AIO, MADI, AES, RayDAT */
31 #define	PCI_CLASS_REVISION		0x08
32 #define	PCI_REVISION_AIO		212
33 #define	PCI_REVISION_RAYDAT		211
34 
35 #define	AIO				0
36 #define	RAYDAT				1
37 
38 /* Hardware mixer */
39 #define	HDSPE_OUT_ENABLE_BASE		512
40 #define	HDSPE_IN_ENABLE_BASE		768
41 #define	HDSPE_MIXER_BASE		32768
42 #define	HDSPE_MAX_GAIN			32768
43 
44 /* Buffer */
45 #define	HDSPE_PAGE_ADDR_BUF_OUT		8192
46 #define	HDSPE_PAGE_ADDR_BUF_IN		(HDSPE_PAGE_ADDR_BUF_OUT + 64 * 16 * 4)
47 #define	HDSPE_BUF_POSITION_MASK		0x000FFC0
48 
49 /* Frequency */
50 #define	HDSPE_FREQ_0			(1 << 6)
51 #define	HDSPE_FREQ_1			(1 << 7)
52 #define	HDSPE_FREQ_DOUBLE		(1 << 8)
53 #define	HDSPE_FREQ_QUAD			(1 << 31)
54 
55 #define	HDSPE_FREQ_32000		HDSPE_FREQ_0
56 #define	HDSPE_FREQ_44100		HDSPE_FREQ_1
57 #define	HDSPE_FREQ_48000		(HDSPE_FREQ_0 | HDSPE_FREQ_1)
58 #define	HDSPE_FREQ_MASK			(HDSPE_FREQ_0 | HDSPE_FREQ_1 |	\
59 					HDSPE_FREQ_DOUBLE | HDSPE_FREQ_QUAD)
60 #define	HDSPE_FREQ_MASK_DEFAULT		HDSPE_FREQ_48000
61 #define	HDSPE_FREQ_REG			256
62 #define	HDSPE_FREQ_AIO			104857600000000ULL
63 
64 #define	HDSPE_SPEED_DEFAULT		48000
65 
66 /* Latency */
67 #define	HDSPE_LAT_0			(1 << 1)
68 #define	HDSPE_LAT_1			(1 << 2)
69 #define	HDSPE_LAT_2			(1 << 3)
70 #define	HDSPE_LAT_MASK			(HDSPE_LAT_0 | HDSPE_LAT_1 | HDSPE_LAT_2)
71 #define	HDSPE_LAT_BYTES_MAX		(4096 * 4)
72 #define	HDSPE_LAT_BYTES_MIN		(32 * 4)
73 #define	hdspe_encode_latency(x)		(((x)<<1) & HDSPE_LAT_MASK)
74 
75 /* Gain */
76 #define	HDSP_ADGain0			(1 << 25)
77 #define	HDSP_ADGain1			(1 << 26)
78 #define	HDSP_DAGain0			(1 << 27)
79 #define	HDSP_DAGain1			(1 << 28)
80 #define	HDSP_PhoneGain0			(1 << 29)
81 #define	HDSP_PhoneGain1			(1 << 30)
82 
83 #define	HDSP_ADGainMask			(HDSP_ADGain0 | HDSP_ADGain1)
84 #define	HDSP_ADGainMinus10dBV		(HDSP_ADGainMask)
85 #define	HDSP_ADGainPlus4dBu		(HDSP_ADGain0)
86 #define	HDSP_ADGainLowGain		0
87 
88 #define	HDSP_DAGainMask			(HDSP_DAGain0 | HDSP_DAGain1)
89 #define	HDSP_DAGainHighGain		(HDSP_DAGainMask)
90 #define	HDSP_DAGainPlus4dBu		(HDSP_DAGain0)
91 #define	HDSP_DAGainMinus10dBV		0
92 
93 #define	HDSP_PhoneGainMask		(HDSP_PhoneGain0|HDSP_PhoneGain1)
94 #define	HDSP_PhoneGain0dB		HDSP_PhoneGainMask
95 #define	HDSP_PhoneGainMinus6dB		(HDSP_PhoneGain0)
96 #define	HDSP_PhoneGainMinus12dB		0
97 
98 #define	HDSPM_statusRegister		0
99 #define	HDSPM_statusRegister2		192
100 
101 /* Settings */
102 #define	HDSPE_SETTINGS_REG		0
103 #define	HDSPE_CONTROL_REG		64
104 #define	HDSPE_STATUS_REG		0
105 #define	HDSPE_ENABLE			(1 << 0)
106 #define	HDSPM_CLOCK_MODE_MASTER		(1 << 4)
107 
108 /* Interrupts */
109 #define	HDSPE_AUDIO_IRQ_PENDING		(1 << 0)
110 #define	HDSPE_AUDIO_INT_ENABLE		(1 << 5)
111 #define	HDSPE_INTERRUPT_ACK		96
112 
113 /* Channels */
114 #define	HDSPE_MAX_SLOTS			64 /* Mono channels */
115 #define	HDSPE_MAX_CHANS			(HDSPE_MAX_SLOTS / 2) /* Stereo pairs */
116 
117 #define	HDSPE_CHANBUF_SAMPLES		(16 * 1024)
118 #define	HDSPE_CHANBUF_SIZE		(4 * HDSPE_CHANBUF_SAMPLES)
119 #define	HDSPE_DMASEGSIZE		(HDSPE_CHANBUF_SIZE * HDSPE_MAX_SLOTS)
120 
121 struct hdspe_channel {
122 	uint32_t	left;
123 	uint32_t	right;
124 	char		*descr;
125 	uint32_t	play;
126 	uint32_t	rec;
127 };
128 
129 static MALLOC_DEFINE(M_HDSPE, "hdspe", "hdspe audio");
130 
131 /* Channel registers */
132 struct sc_chinfo {
133 	struct snd_dbuf		*buffer;
134 	struct pcm_channel	*channel;
135 	struct sc_pcminfo	*parent;
136 
137 	/* Channel information */
138 	uint32_t	dir;
139 	uint32_t	format;
140 	uint32_t	lslot;
141 	uint32_t	rslot;
142 	uint32_t	lvol;
143 	uint32_t	rvol;
144 
145 	/* Buffer */
146 	uint32_t	*data;
147 	uint32_t	size;
148 
149 	/* Flags */
150 	uint32_t	run;
151 };
152 
153 /* PCM device private data */
154 struct sc_pcminfo {
155 	device_t		dev;
156 	uint32_t		(*ih) (struct sc_pcminfo *scp);
157 	uint32_t		chnum;
158 	struct sc_chinfo	chan[HDSPE_MAX_CHANS];
159 	struct sc_info		*sc;
160 	struct hdspe_channel	*hc;
161 };
162 
163 /* HDSPe device private data */
164 struct sc_info {
165 	device_t		dev;
166 	struct mtx		*lock;
167 
168 	uint32_t		ctrl_register;
169 	uint32_t		settings_register;
170 	uint32_t		type;
171 
172 	/* Control/Status register */
173 	struct resource		*cs;
174 	int			csid;
175 	bus_space_tag_t		cst;
176 	bus_space_handle_t	csh;
177 
178 	struct resource		*irq;
179 	int			irqid;
180 	void			*ih;
181 	bus_dma_tag_t		dmat;
182 
183 	/* Play/Record DMA buffers */
184 	uint32_t		*pbuf;
185 	uint32_t		*rbuf;
186 	uint32_t		bufsize;
187 	bus_dmamap_t		pmap;
188 	bus_dmamap_t		rmap;
189 	uint32_t		period;
190 	uint32_t		speed;
191 };
192 
193 #define	hdspe_read_1(sc, regno)						\
194 	bus_space_read_1((sc)->cst, (sc)->csh, (regno))
195 #define	hdspe_read_2(sc, regno)						\
196 	bus_space_read_2((sc)->cst, (sc)->csh, (regno))
197 #define	hdspe_read_4(sc, regno)						\
198 	bus_space_read_4((sc)->cst, (sc)->csh, (regno))
199 
200 #define	hdspe_write_1(sc, regno, data)					\
201 	bus_space_write_1((sc)->cst, (sc)->csh, (regno), (data))
202 #define	hdspe_write_2(sc, regno, data)					\
203 	bus_space_write_2((sc)->cst, (sc)->csh, (regno), (data))
204 #define	hdspe_write_4(sc, regno, data)					\
205 	bus_space_write_4((sc)->cst, (sc)->csh, (regno), (data))
206