xref: /openbmc/linux/sound/pci/echoaudio/darla24.c (revision d78c317f)
1 /*
2  *  ALSA driver for Echoaudio soundcards.
3  *  Copyright (C) 2003-2004 Giuliano Pochini <pochini@shiny.it>
4  *
5  *  This program is free software; you can redistribute it and/or modify
6  *  it under the terms of the GNU General Public License as published by
7  *  the Free Software Foundation; version 2 of the License.
8  *
9  *  This program is distributed in the hope that it will be useful,
10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  *  GNU General Public License for more details.
13  *
14  *  You should have received a copy of the GNU General Public License
15  *  along with this program; if not, write to the Free Software
16  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17  */
18 
19 #define ECHOGALS_FAMILY
20 #define ECHOCARD_DARLA24
21 #define ECHOCARD_NAME "Darla24"
22 #define ECHOCARD_HAS_MONITOR
23 #define ECHOCARD_HAS_INPUT_NOMINAL_LEVEL
24 #define ECHOCARD_HAS_OUTPUT_NOMINAL_LEVEL
25 #define ECHOCARD_HAS_EXTERNAL_CLOCK
26 #define ECHOCARD_HAS_SUPER_INTERLEAVE
27 
28 /* Pipe indexes */
29 #define PX_ANALOG_OUT	0	/* 8 */
30 #define PX_DIGITAL_OUT	8	/* 0 */
31 #define PX_ANALOG_IN	8	/* 2 */
32 #define PX_DIGITAL_IN	10	/* 0 */
33 #define PX_NUM		10
34 
35 /* Bus indexes */
36 #define BX_ANALOG_OUT	0	/* 8 */
37 #define BX_DIGITAL_OUT	8	/* 0 */
38 #define BX_ANALOG_IN	8	/* 2 */
39 #define BX_DIGITAL_IN	10	/* 0 */
40 #define BX_NUM		10
41 
42 
43 #include <linux/delay.h>
44 #include <linux/init.h>
45 #include <linux/interrupt.h>
46 #include <linux/pci.h>
47 #include <linux/module.h>
48 #include <linux/firmware.h>
49 #include <linux/slab.h>
50 #include <sound/core.h>
51 #include <sound/info.h>
52 #include <sound/control.h>
53 #include <sound/tlv.h>
54 #include <sound/pcm.h>
55 #include <sound/pcm_params.h>
56 #include <sound/asoundef.h>
57 #include <sound/initval.h>
58 #include <asm/io.h>
59 #include <linux/atomic.h>
60 #include "echoaudio.h"
61 
62 MODULE_FIRMWARE("ea/darla24_dsp.fw");
63 
64 #define FW_DARLA24_DSP	0
65 
66 static const struct firmware card_fw[] = {
67 	{0, "darla24_dsp.fw"}
68 };
69 
70 static DEFINE_PCI_DEVICE_TABLE(snd_echo_ids) = {
71 	{0x1057, 0x1801, 0xECC0, 0x0040, 0, 0, 0},	/* DSP 56301 Darla24 rev.0 */
72 	{0x1057, 0x1801, 0xECC0, 0x0041, 0, 0, 0},	/* DSP 56301 Darla24 rev.1 */
73 	{0,}
74 };
75 
76 static struct snd_pcm_hardware pcm_hardware_skel = {
77 	.info = SNDRV_PCM_INFO_MMAP |
78 		SNDRV_PCM_INFO_INTERLEAVED |
79 		SNDRV_PCM_INFO_BLOCK_TRANSFER |
80 		SNDRV_PCM_INFO_MMAP_VALID |
81 		SNDRV_PCM_INFO_PAUSE |
82 		SNDRV_PCM_INFO_SYNC_START,
83 	.formats =	SNDRV_PCM_FMTBIT_U8 |
84 			SNDRV_PCM_FMTBIT_S16_LE |
85 			SNDRV_PCM_FMTBIT_S24_3LE |
86 			SNDRV_PCM_FMTBIT_S32_LE |
87 			SNDRV_PCM_FMTBIT_S32_BE,
88 	.rates =	SNDRV_PCM_RATE_8000_48000 |
89 			SNDRV_PCM_RATE_88200 |
90 			SNDRV_PCM_RATE_96000,
91 	.rate_min = 8000,
92 	.rate_max = 96000,
93 	.channels_min = 1,
94 	.channels_max = 8,
95 	.buffer_bytes_max = 262144,
96 	.period_bytes_min = 32,
97 	.period_bytes_max = 131072,
98 	.periods_min = 2,
99 	.periods_max = 220,
100 	/* One page (4k) contains 512 instructions. I don't know if the hw
101 	supports lists longer than this. In this case periods_max=220 is a
102 	safe limit to make sure the list never exceeds 512 instructions. */
103 };
104 
105 
106 #include "darla24_dsp.c"
107 #include "echoaudio_dsp.c"
108 #include "echoaudio.c"
109