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gina20.c
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1 /*
2  * ALSA driver for Echoaudio soundcards.
3  * Copyright (C) 2003-2004 Giuliano Pochini <[email protected]>
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_GINA20
21 #define ECHOCARD_NAME "Gina20"
22 #define ECHOCARD_HAS_MONITOR
23 #define ECHOCARD_HAS_INPUT_GAIN
24 #define ECHOCARD_HAS_DIGITAL_IO
25 #define ECHOCARD_HAS_EXTERNAL_CLOCK
26 #define ECHOCARD_HAS_ADAT FALSE
27 
28 /* Pipe indexes */
29 #define PX_ANALOG_OUT 0 /* 8 */
30 #define PX_DIGITAL_OUT 8 /* 2 */
31 #define PX_ANALOG_IN 10 /* 2 */
32 #define PX_DIGITAL_IN 12 /* 2 */
33 #define PX_NUM 14
34 
35 /* Bus indexes */
36 #define BX_ANALOG_OUT 0 /* 8 */
37 #define BX_DIGITAL_OUT 8 /* 2 */
38 #define BX_ANALOG_IN 10 /* 2 */
39 #define BX_DIGITAL_IN 12 /* 2 */
40 #define BX_NUM 14
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/gina20_dsp.fw");
63 
64 #define FW_GINA20_DSP 0
65 
66 static const struct firmware card_fw[] = {
67  {0, "gina20_dsp.fw"}
68 };
69 
70 static DEFINE_PCI_DEVICE_TABLE(snd_echo_ids) = {
71  {0x1057, 0x1801, 0xECC0, 0x0020, 0, 0, 0}, /* DSP 56301 Gina20 rev.0 */
72  {0,}
73 };
74 
75 static struct snd_pcm_hardware pcm_hardware_skel = {
76  .info = SNDRV_PCM_INFO_MMAP |
82  .formats = SNDRV_PCM_FMTBIT_U8 |
88  .rate_min = 44100,
89  .rate_max = 48000,
90  .channels_min = 1,
91  .channels_max = 2,
92  .buffer_bytes_max = 262144,
93  .period_bytes_min = 32,
94  .period_bytes_max = 131072,
95  .periods_min = 2,
96  .periods_max = 220,
97  /* One page (4k) contains 512 instructions. I don't know if the hw
98  supports lists longer than this. In this case periods_max=220 is a
99  safe limit to make sure the list never exceeds 512 instructions. */
100 };
101 
102 
103 #include "gina20_dsp.c"
104 #include "echoaudio_dsp.c"
105 #include "echoaudio.c"