1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Efika driver for the PSC of the Freescale MPC52xx
3*4882a593Smuzhiyun * configured as AC97 interface
4*4882a593Smuzhiyun *
5*4882a593Smuzhiyun * Copyright 2008 Jon Smirl, Digispeaker
6*4882a593Smuzhiyun * Author: Jon Smirl <jonsmirl@gmail.com>
7*4882a593Smuzhiyun *
8*4882a593Smuzhiyun * This file is licensed under the terms of the GNU General Public License
9*4882a593Smuzhiyun * version 2. This program is licensed "as is" without any warranty of any
10*4882a593Smuzhiyun * kind, whether express or implied.
11*4882a593Smuzhiyun */
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun #include <linux/init.h>
14*4882a593Smuzhiyun #include <linux/module.h>
15*4882a593Smuzhiyun #include <linux/interrupt.h>
16*4882a593Smuzhiyun #include <linux/device.h>
17*4882a593Smuzhiyun #include <linux/delay.h>
18*4882a593Smuzhiyun #include <linux/of_device.h>
19*4882a593Smuzhiyun #include <linux/of_platform.h>
20*4882a593Smuzhiyun #include <linux/dma-mapping.h>
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun #include <sound/core.h>
23*4882a593Smuzhiyun #include <sound/pcm.h>
24*4882a593Smuzhiyun #include <sound/pcm_params.h>
25*4882a593Smuzhiyun #include <sound/initval.h>
26*4882a593Smuzhiyun #include <sound/soc.h>
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun #include "mpc5200_dma.h"
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun #define DRV_NAME "efika-audio-fabric"
31*4882a593Smuzhiyun
32*4882a593Smuzhiyun SND_SOC_DAILINK_DEFS(analog,
33*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-psc-ac97.0")),
34*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_CODEC("stac9766-codec",
35*4882a593Smuzhiyun "stac9766-hifi-analog")),
36*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_PLATFORM("mpc5200-pcm-audio")));
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun SND_SOC_DAILINK_DEFS(iec958,
39*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_CPU("mpc5200-psc-ac97.1")),
40*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_CODEC("stac9766-codec",
41*4882a593Smuzhiyun "stac9766-hifi-IEC958")),
42*4882a593Smuzhiyun DAILINK_COMP_ARRAY(COMP_PLATFORM("mpc5200-pcm-audio")));
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun static struct snd_soc_dai_link efika_fabric_dai[] = {
45*4882a593Smuzhiyun {
46*4882a593Smuzhiyun .name = "AC97",
47*4882a593Smuzhiyun .stream_name = "AC97 Analog",
48*4882a593Smuzhiyun SND_SOC_DAILINK_REG(analog),
49*4882a593Smuzhiyun },
50*4882a593Smuzhiyun {
51*4882a593Smuzhiyun .name = "AC97",
52*4882a593Smuzhiyun .stream_name = "AC97 IEC958",
53*4882a593Smuzhiyun SND_SOC_DAILINK_REG(iec958),
54*4882a593Smuzhiyun },
55*4882a593Smuzhiyun };
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun static struct snd_soc_card card = {
58*4882a593Smuzhiyun .name = "Efika",
59*4882a593Smuzhiyun .owner = THIS_MODULE,
60*4882a593Smuzhiyun .dai_link = efika_fabric_dai,
61*4882a593Smuzhiyun .num_links = ARRAY_SIZE(efika_fabric_dai),
62*4882a593Smuzhiyun };
63*4882a593Smuzhiyun
efika_fabric_init(void)64*4882a593Smuzhiyun static __init int efika_fabric_init(void)
65*4882a593Smuzhiyun {
66*4882a593Smuzhiyun struct platform_device *pdev;
67*4882a593Smuzhiyun int rc;
68*4882a593Smuzhiyun
69*4882a593Smuzhiyun if (!of_machine_is_compatible("bplan,efika"))
70*4882a593Smuzhiyun return -ENODEV;
71*4882a593Smuzhiyun
72*4882a593Smuzhiyun pdev = platform_device_alloc("soc-audio", 1);
73*4882a593Smuzhiyun if (!pdev) {
74*4882a593Smuzhiyun pr_err("efika_fabric_init: platform_device_alloc() failed\n");
75*4882a593Smuzhiyun return -ENODEV;
76*4882a593Smuzhiyun }
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun platform_set_drvdata(pdev, &card);
79*4882a593Smuzhiyun
80*4882a593Smuzhiyun rc = platform_device_add(pdev);
81*4882a593Smuzhiyun if (rc) {
82*4882a593Smuzhiyun pr_err("efika_fabric_init: platform_device_add() failed\n");
83*4882a593Smuzhiyun platform_device_put(pdev);
84*4882a593Smuzhiyun return -ENODEV;
85*4882a593Smuzhiyun }
86*4882a593Smuzhiyun return 0;
87*4882a593Smuzhiyun }
88*4882a593Smuzhiyun
89*4882a593Smuzhiyun module_init(efika_fabric_init);
90*4882a593Smuzhiyun
91*4882a593Smuzhiyun
92*4882a593Smuzhiyun MODULE_AUTHOR("Jon Smirl <jonsmirl@gmail.com>");
93*4882a593Smuzhiyun MODULE_DESCRIPTION(DRV_NAME ": mpc5200 Efika fabric driver");
94*4882a593Smuzhiyun MODULE_LICENSE("GPL");
95*4882a593Smuzhiyun
96