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btfmcodec: Notify ADSP SSR to host

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This change notifies ADSP SSR to host when it completely
boots up.

Change-Id: Icfa5a895a6f31e662ba4e7d2b818a7a75854f248
Signed-off-by: Balakrishna Godavarthi <quic_bgodavar@quicinc.com>
This commit is contained in:
Balakrishna Godavarthi
2023-06-08 14:17:21 +05:30
parent 818edfe5ac
commit fd58910c2d
3 changed files with 61 additions and 0 deletions
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46
btfmcodec/btfm_codec_interface.c
View File

@@ -4,6 +4,8 @@
*/
#include <linux/kernel.h>
#include <linux/remoteproc.h>
#include <linux/remoteproc/qcom_rproc.h>
#include "btfm_codec.h"
#include "btfm_codec_interface.h"
#include "btfm_codec_pkt.h"
@@ -676,6 +678,40 @@ static struct snd_soc_dai_ops btfmcodec_dai_ops = {
.get_channel_map = btfmcodec_dai_get_channel_map,
};
static int btfmcodec_adsp_ssr_notify(struct notifier_block *nb,
unsigned long action, void *data)
{
struct btfmcodec_data *btfmcodec = container_of(nb,
struct btfmcodec_data, notifier.nb);
struct btfmcodec_char_device *btfmcodec_dev = btfmcodec->btfmcodec_dev;
struct btm_adsp_state_ind state_ind;
switch (action) {
case QCOM_SSR_BEFORE_SHUTDOWN: {
BTFMCODEC_WARN("LPASS SSR triggered");
break;
} case QCOM_SSR_AFTER_SHUTDOWN: {
BTFMCODEC_WARN("LPASS SSR Completed");
break;
} case QCOM_SSR_BEFORE_POWERUP: {
BTFMCODEC_WARN("LPASS booted up after SSR");
break;
} case QCOM_SSR_AFTER_POWERUP: {
BTFMCODEC_WARN("LPASS booted up completely");
state_ind.opcode = BTM_BTFMCODEC_ADSP_STATE_IND;
state_ind.len = BTM_ADSP_STATE_IND_LEN;
state_ind.action = (uint32_t)action;
btfmcodec_dev_enqueue_pkt(btfmcodec_dev, &state_ind,
(state_ind.len +
BTM_HEADER_LEN));
break;
} default:
BTFMCODEC_WARN("unhandled action id %lu", action);
break;
}
return 0;
}
int btfm_register_codec(struct hwep_data *hwep_info)
{
struct btfmcodec_data *btfmcodec;
@@ -687,6 +723,16 @@ int btfm_register_codec(struct hwep_data *hwep_info)
btfmcodec = btfm_get_btfmcodec();
btfmcodec_dev = btfmcodec->btfmcodec_dev;
dev = &btfmcodec->dev;
btfmcodec->notifier.nb.notifier_call = btfmcodec_adsp_ssr_notify;
btfmcodec->notifier.notifier = qcom_register_ssr_notifier("lpass",
&btfmcodec->notifier.nb);
if (IS_ERR(btfmcodec->notifier.notifier)) {
ret = PTR_ERR(btfmcodec->notifier.notifier);
BTFMCODEC_ERR("Failed to register SSR notification: %d\n", ret);
return ret;
}
btfmcodec_dai_info = kzalloc((sizeof(struct snd_soc_dai_driver) * hwep_info->num_dai), GFP_KERNEL);
if (!btfmcodec_dai_info) {
BTFMCODEC_ERR("failed to allocate memory");

6
btfmcodec/include/btfm_codec.h
View File

@@ -86,12 +86,18 @@ struct btfmcodec_char_device {
void *btfmcodec;
};
struct adsp_notifier {
void *notifier;
struct notifier_block nb;
};
struct btfmcodec_data {
struct device dev;
struct btfmcodec_state_machine states;
struct btfmcodec_char_device *btfmcodec_dev;
struct hwep_data *hwep_info;
struct list_head config_head;
struct adsp_notifier notifier;
};
struct btfmcodec_data *btfm_get_btfmcodec(void);

9
btfmcodec/include/btfm_codec_pkt.h
View File

@@ -40,6 +40,7 @@ struct btm_ctrl_pkt {
#define BTM_BTFMCODEC_CTRL_MASTER_SHUTDOWN_RSP 0x50000005
#define BTM_BTFMCODEC_BEARER_SWITCH_IND 0x58000001
#define BTM_BTFMCODEC_TRANSPORT_SWITCH_FAILED_IND 0x58000002
#define BTM_BTFMCODEC_ADSP_STATE_IND 0x58000003
#define BTM_BTFMCODEC_CTRL_LOG_LVL_IND 0x58000004
#define BTM_MASTER_CONFIG_REQ_LEN 13
@@ -51,6 +52,7 @@ struct btm_ctrl_pkt {
#define BTM_PREPARE_AUDIO_BEARER_SWITCH_REQ_LEN 1
#define BTM_BEARER_SWITCH_IND_LEN 1
#define BTM_LOG_LVL_IND_LEN 1
#define BTM_ADSP_STATE_IND_LEN 4
enum rx_status {
/* Waiting for response */
@@ -94,6 +96,13 @@ struct btm_master_shutdown_req {
uint32_t len;
uint8_t stream_id;
}__attribute__((packed));
struct btm_adsp_state_ind {
btm_opcode opcode;
uint32_t len;
uint32_t action;
} __attribute__((packed));
int btfmcodec_dev_enqueue_pkt(struct btfmcodec_char_device *, void *, int);
bool btfmcodec_is_valid_cache_avb(struct btfmcodec_data *);
#endif /* __LINUX_BTFM_CODEC_PKT_H*/