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_DARLA24
9 #define ECHOCARD_NAME "Darla24"
10 #define ECHOCARD_HAS_MONITOR
11 #define ECHOCARD_HAS_INPUT_NOMINAL_LEVEL
12 #define ECHOCARD_HAS_OUTPUT_NOMINAL_LEVEL
13 #define ECHOCARD_HAS_EXTERNAL_CLOCK
14 #define ECHOCARD_HAS_SUPER_INTERLEAVE
15 
16 /* Pipe indexes */
17 #define PX_ANALOG_OUT	0	/* 8 */
18 #define PX_DIGITAL_OUT	8	/* 0 */
19 #define PX_ANALOG_IN	8	/* 2 */
20 #define PX_DIGITAL_IN	10	/* 0 */
21 #define PX_NUM		10
22 
23 /* Bus indexes */
24 #define BX_ANALOG_OUT	0	/* 8 */
25 #define BX_DIGITAL_OUT	8	/* 0 */
26 #define BX_ANALOG_IN	8	/* 2 */
27 #define BX_DIGITAL_IN	10	/* 0 */
28 #define BX_NUM		10
29 
30 
31 #include <linux/delay.h>
32 #include <linux/init.h>
33 #include <linux/interrupt.h>
34 #include <linux/pci.h>
35 #include <linux/module.h>
36 #include <linux/firmware.h>
37 #include <linux/slab.h>
38 #include <linux/io.h>
39 #include <sound/core.h>
40 #include <sound/info.h>
41 #include <sound/control.h>
42 #include <sound/tlv.h>
43 #include <sound/pcm.h>
44 #include <sound/pcm_params.h>
45 #include <sound/asoundef.h>
46 #include <sound/initval.h>
47 #include <linux/atomic.h>
48 #include "echoaudio.h"
49 
50 MODULE_FIRMWARE("ea/darla24_dsp.fw");
51 
52 #define FW_DARLA24_DSP	0
53 
54 static const struct firmware card_fw[] = {
55 	{0, "darla24_dsp.fw"}
56 };
57 
58 static const struct pci_device_id snd_echo_ids[] = {
59 	{0x1057, 0x1801, 0xECC0, 0x0040, 0, 0, 0},	/* DSP 56301 Darla24 rev.0 */
60 	{0x1057, 0x1801, 0xECC0, 0x0041, 0, 0, 0},	/* DSP 56301 Darla24 rev.1 */
61 	{0,}
62 };
63 
64 static const struct snd_pcm_hardware pcm_hardware_skel = {
65 	.info = SNDRV_PCM_INFO_MMAP |
66 		SNDRV_PCM_INFO_INTERLEAVED |
67 		SNDRV_PCM_INFO_BLOCK_TRANSFER |
68 		SNDRV_PCM_INFO_MMAP_VALID |
69 		SNDRV_PCM_INFO_PAUSE |
70 		SNDRV_PCM_INFO_SYNC_START,
71 	.formats =	SNDRV_PCM_FMTBIT_U8 |
72 			SNDRV_PCM_FMTBIT_S16_LE |
73 			SNDRV_PCM_FMTBIT_S24_3LE |
74 			SNDRV_PCM_FMTBIT_S32_LE |
75 			SNDRV_PCM_FMTBIT_S32_BE,
76 	.rates =	SNDRV_PCM_RATE_8000_48000 |
77 			SNDRV_PCM_RATE_88200 |
78 			SNDRV_PCM_RATE_96000,
79 	.rate_min = 8000,
80 	.rate_max = 96000,
81 	.channels_min = 1,
82 	.channels_max = 8,
83 	.buffer_bytes_max = 262144,
84 	.period_bytes_min = 32,
85 	.period_bytes_max = 131072,
86 	.periods_min = 2,
87 	.periods_max = 220,
88 	/* One page (4k) contains 512 instructions. I don't know if the hw
89 	supports lists longer than this. In this case periods_max=220 is a
90 	safe limit to make sure the list never exceeds 512 instructions. */
91 };
92 
93 
94 #include "darla24_dsp.c"
95 #include "echoaudio_dsp.c"
96 #include "echoaudio.c"
97