1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  *  ALSA driver for Echoaudio soundcards.
4  *  Copyright (C) 2003-2004 Giuliano Pochini <pochini@shiny.it>
5  */
6 
7 #define ECHOGALS_FAMILY
8 #define ECHOCARD_DARLA20
9 #define ECHOCARD_NAME "Darla20"
10 #define ECHOCARD_HAS_MONITOR
11 
12 /* Pipe indexes */
13 #define PX_ANALOG_OUT	0	/* 8 */
14 #define PX_DIGITAL_OUT	8	/* 0 */
15 #define PX_ANALOG_IN	8	/* 2 */
16 #define PX_DIGITAL_IN	10	/* 0 */
17 #define PX_NUM		10
18 
19 /* Bus indexes */
20 #define BX_ANALOG_OUT	0	/* 8 */
21 #define BX_DIGITAL_OUT	8	/* 0 */
22 #define BX_ANALOG_IN	8	/* 2 */
23 #define BX_DIGITAL_IN	10	/* 0 */
24 #define BX_NUM		10
25 
26 
27 #include <linux/delay.h>
28 #include <linux/init.h>
29 #include <linux/interrupt.h>
30 #include <linux/pci.h>
31 #include <linux/module.h>
32 #include <linux/firmware.h>
33 #include <linux/slab.h>
34 #include <linux/io.h>
35 #include <sound/core.h>
36 #include <sound/info.h>
37 #include <sound/control.h>
38 #include <sound/tlv.h>
39 #include <sound/pcm.h>
40 #include <sound/pcm_params.h>
41 #include <sound/asoundef.h>
42 #include <sound/initval.h>
43 #include <linux/atomic.h>
44 #include "echoaudio.h"
45 
46 MODULE_FIRMWARE("ea/darla20_dsp.fw");
47 
48 #define FW_DARLA20_DSP	0
49 
50 static const struct firmware card_fw[] = {
51 	{0, "darla20_dsp.fw"}
52 };
53 
54 static const struct pci_device_id snd_echo_ids[] = {
55 	{0x1057, 0x1801, 0xECC0, 0x0010, 0, 0, 0},	/* DSP 56301 Darla20 rev.0 */
56 	{0,}
57 };
58 
59 static const struct snd_pcm_hardware pcm_hardware_skel = {
60 	.info = SNDRV_PCM_INFO_MMAP |
61 		SNDRV_PCM_INFO_INTERLEAVED |
62 		SNDRV_PCM_INFO_BLOCK_TRANSFER |
63 		SNDRV_PCM_INFO_MMAP_VALID |
64 		SNDRV_PCM_INFO_PAUSE |
65 		SNDRV_PCM_INFO_SYNC_START,
66 	.formats =	SNDRV_PCM_FMTBIT_U8 |
67 			SNDRV_PCM_FMTBIT_S16_LE |
68 			SNDRV_PCM_FMTBIT_S24_3LE |
69 			SNDRV_PCM_FMTBIT_S32_LE |
70 			SNDRV_PCM_FMTBIT_S32_BE,
71 	.rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
72 	.rate_min = 44100,
73 	.rate_max = 48000,
74 	.channels_min = 1,
75 	.channels_max = 2,
76 	.buffer_bytes_max = 262144,
77 	.period_bytes_min = 32,
78 	.period_bytes_max = 131072,
79 	.periods_min = 2,
80 	.periods_max = 220,
81 	/* One page (4k) contains 512 instructions. I don't know if the hw
82 	supports lists longer than this. In this case periods_max=220 is a
83 	safe limit to make sure the list never exceeds 512 instructions. */
84 };
85 
86 
87 #include "darla20_dsp.c"
88 #include "echoaudio_dsp.c"
89 #include "echoaudio.c"
90