1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright(c) 2024 Advanced Micro Devices, Inc.
3
4 /*
5 * acp-sdw-mach-common - Common machine driver helper functions for
6 * legacy(No DSP) stack and SOF stack.
7 */
8
9 #include <linux/device.h>
10 #include <linux/module.h>
11 #include "soc_amd_sdw_common.h"
12
get_acp63_cpu_pin_id(u32 sdw_link_id,int be_id,int * cpu_pin_id,struct device * dev)13 int get_acp63_cpu_pin_id(u32 sdw_link_id, int be_id, int *cpu_pin_id, struct device *dev)
14 {
15 switch (sdw_link_id) {
16 case AMD_SDW0:
17 switch (be_id) {
18 case SOC_SDW_JACK_OUT_DAI_ID:
19 *cpu_pin_id = ACP63_SW0_AUDIO0_TX;
20 break;
21 case SOC_SDW_JACK_IN_DAI_ID:
22 *cpu_pin_id = ACP63_SW0_AUDIO0_RX;
23 break;
24 case SOC_SDW_AMP_OUT_DAI_ID:
25 *cpu_pin_id = ACP63_SW0_AUDIO1_TX;
26 break;
27 case SOC_SDW_AMP_IN_DAI_ID:
28 *cpu_pin_id = ACP63_SW0_AUDIO1_RX;
29 break;
30 case SOC_SDW_DMIC_DAI_ID:
31 *cpu_pin_id = ACP63_SW0_AUDIO2_RX;
32 break;
33 default:
34 dev_err(dev, "Invalid be id:%d\n", be_id);
35 return -EINVAL;
36 }
37 break;
38 case AMD_SDW1:
39 switch (be_id) {
40 case SOC_SDW_JACK_OUT_DAI_ID:
41 case SOC_SDW_AMP_OUT_DAI_ID:
42 *cpu_pin_id = ACP63_SW1_AUDIO0_TX;
43 break;
44 case SOC_SDW_JACK_IN_DAI_ID:
45 case SOC_SDW_AMP_IN_DAI_ID:
46 case SOC_SDW_DMIC_DAI_ID:
47 *cpu_pin_id = ACP63_SW1_AUDIO0_RX;
48 break;
49 default:
50 dev_err(dev, "invalid be_id:%d\n", be_id);
51 return -EINVAL;
52 }
53 break;
54 default:
55 dev_err(dev, "Invalid link id:%d\n", sdw_link_id);
56 return -EINVAL;
57 }
58 return 0;
59 }
60 EXPORT_SYMBOL_NS_GPL(get_acp63_cpu_pin_id, "SND_SOC_AMD_SDW_MACH");
61
62 MODULE_DESCRIPTION("AMD SoundWire Common Machine driver");
63 MODULE_AUTHOR("Vijendar Mukunda <Vijendar.Mukunda@amd.com>");
64 MODULE_LICENSE("GPL");
65