Meng Wang | 43bbb87 | 2018-12-10 12:32:05 +0800 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-only |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 2 | /* |
Meng Wang | 61af684 | 2018-09-10 17:47:55 +0800 | [diff] [blame] | 3 | * Copyright (c) 2012-2017, The Linux Foundation. All rights reserved. |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 4 | */ |
| 5 | |
| 6 | #include <linux/types.h> |
| 7 | #include <linux/uaccess.h> |
| 8 | #include <linux/spinlock.h> |
| 9 | #include <linux/kernel.h> |
Laxminath Kasam | 605b42f | 2017-08-01 22:02:15 +0530 | [diff] [blame] | 10 | #include <dsp/audio_notifier.h> |
| 11 | #include <ipc/apr.h> |
| 12 | #include <ipc/apr_tal.h> |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 13 | |
Rohit Kumar | 39603af | 2017-09-11 00:00:37 +0530 | [diff] [blame] | 14 | /** |
| 15 | * apr_get_subsys_state - get Q6 subsys status |
| 16 | * |
| 17 | * Returns apr_subsys_state |
| 18 | */ |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 19 | enum apr_subsys_state apr_get_subsys_state(void) |
| 20 | { |
| 21 | return apr_get_q6_state(); |
| 22 | } |
Rohit Kumar | 39603af | 2017-09-11 00:00:37 +0530 | [diff] [blame] | 23 | EXPORT_SYMBOL(apr_get_subsys_state); |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 24 | |
| 25 | void apr_set_subsys_state(void) |
| 26 | { |
| 27 | apr_set_q6_state(APR_SUBSYS_DOWN); |
| 28 | apr_set_modem_state(APR_SUBSYS_UP); |
| 29 | } |
| 30 | |
| 31 | uint16_t apr_get_data_src(struct apr_hdr *hdr) |
| 32 | { |
| 33 | if (hdr->src_domain == APR_DOMAIN_MODEM) |
| 34 | return APR_DEST_MODEM; |
| 35 | else if (hdr->src_domain == APR_DOMAIN_ADSP) |
| 36 | return APR_DEST_QDSP6; |
| 37 | |
| 38 | pr_err("APR: Pkt from wrong source: %d\n", hdr->src_domain); |
| 39 | return APR_DEST_MAX; /*RETURN INVALID VALUE*/ |
| 40 | } |
| 41 | |
| 42 | int apr_get_dest_id(char *dest) |
| 43 | { |
| 44 | if (!strcmp(dest, "ADSP")) |
| 45 | return APR_DEST_QDSP6; |
| 46 | else |
| 47 | return APR_DEST_MODEM; |
| 48 | } |
| 49 | |
| 50 | void subsys_notif_register(char *client_name, int domain, |
| 51 | struct notifier_block *nb) |
| 52 | { |
| 53 | int ret; |
| 54 | |
| 55 | ret = audio_notifier_register(client_name, domain, nb); |
| 56 | if (ret < 0) |
| 57 | pr_err("%s: Audio notifier register failed for domain %d ret = %d\n", |
| 58 | __func__, domain, ret); |
| 59 | } |
| 60 | |
Laxminath Kasam | 8b1366a | 2017-10-05 01:44:16 +0530 | [diff] [blame] | 61 | void subsys_notif_deregister(char *client_name) |
| 62 | { |
| 63 | int ret; |
| 64 | |
| 65 | ret = audio_notifier_deregister(client_name); |
| 66 | if (ret < 0) |
| 67 | pr_err("%s: Audio notifier de-register failed for client %s\n", |
| 68 | __func__, client_name); |
| 69 | } |
| 70 | |
Asish Bhattacharya | 8e2277f | 2017-07-20 18:31:55 +0530 | [diff] [blame] | 71 | uint16_t apr_get_reset_domain(uint16_t proc) |
| 72 | { |
| 73 | return proc; |
| 74 | } |