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clear-pkgs-linux-iot-lts2018/0418-ASoC-Intel-Skylake-Add...

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From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
From: Pardha Saradhi K <pardha.saradhi.kesapragada@intel.com>
Date: Tue, 10 Apr 2018 23:46:48 +0530
Subject: [PATCH] ASoC: Intel: Skylake: Add support to notify resource event
ADSP notifies to driver in case of any resource events that
occur while executing a usecase. These are notification
IPCs that belong to a class called RESOURCE_EVENT.
This patch displays such notifications to the console
via debug messages.
Change-Id: I7faaf31fab692ac77eefd91a5ed6e4d36c92b228
Signed-off-by: Giribabu Gogineni <giribabux.gogineni@intel.com>
Reviewed-on:
Reviewed-by: Shaik, Kareem M <kareem.m.shaik@intel.com>
Reviewed-by: Prabhu, PuneethX <puneethx.prabhu@intel.com>
Reviewed-by: Singh, Guneshwor O <guneshwor.o.singh@intel.com>
Reviewed-by: Sinha, Mohit <mohit.sinha@intel.com>
Reviewed-by: Kp, Jeeja <jeeja.kp@intel.com>
Tested-by: Madiwalar, MadiwalappaX <madiwalappax.madiwalar@intel.com>
---
sound/soc/intel/skylake/skl-sst-ipc.c | 125 +++++++++++++++++++++++++-
1 file changed, 123 insertions(+), 2 deletions(-)
diff --git a/sound/soc/intel/skylake/skl-sst-ipc.c b/sound/soc/intel/skylake/skl-sst-ipc.c
index e36160b..6efc950 100644
--- a/sound/soc/intel/skylake/skl-sst-ipc.c
+++ b/sound/soc/intel/skylake/skl-sst-ipc.c
@@ -204,6 +204,7 @@
#define DSP_EXCEP_CORE_MASK 0x3
#define DSP_EXCEP_STACK_SIZE_SHIFT 2
+#define SKL_FW_RSRCE_EVNT_DATA_SZ 6
enum skl_ipc_msg_target {
IPC_FW_GEN_MSG = 0,
@@ -232,6 +233,28 @@ enum skl_ipc_glb_type {
IPC_GLB_MAX_IPC_MSG_NUMBER = 31 /* Maximum message number */
};
+/* Resource Event Types */
+enum skl_ipc_resource_event_type {
+ SKL_BUDGET_VIOLATION = 0,
+ SKL_MIXER_UNDERRUN = 1,
+ SKL_STREAM_DATA_SEGMENT = 2,
+ SKL_PROCESS_DATA_ERR = 3,
+ SKL_STACK_OVERFLOW = 4,
+ SKL_BUFFERING_MODE_CHANGED = 5,
+ SKL_GATEWAY_UNDERRUN = 6,
+ SKL_GATEWAY_OVERRUN = 7,
+ SKL_EDF_DOMAIN_UNSTABLE = 8,
+ SKL_WCLK_SAMPLE_COUNT = 9,
+ SKL_GATEWAY_HIGH_THRESHOLD = 10,
+ SKL_GATEWAY_LOW_THRESHOLD = 11,
+ SKL_I2S_BCE_DETECTED = 12,
+ SKL_I2S_CLK_STATE_CHANGED = 13,
+ SKL_I2S_SINK_MODE_CHANGED = 14,
+ SKL_I2S_SOURCE_MODE_CHANGED = 15,
+ SKL_SRE_DRIFT_TOO_HIGH = 16,
+ SKL_INVALID_RESORUCE_EVENT_TYPE = 17
+};
+
enum skl_ipc_glb_reply {
IPC_GLB_REPLY_SUCCESS = 0,
@@ -298,6 +321,13 @@ enum skl_ipc_module_msg {
IPC_MOD_DELETE_INSTANCE = 11
};
+struct skl_event_notify {
+ u32 resource_type;
+ u32 resource_id;
+ u32 event_type;
+ u32 event_data[SKL_FW_RSRCE_EVNT_DATA_SZ];
+} __packed;
+
void skl_ipc_tx_data_copy(struct ipc_message *msg, char *tx_data,
size_t tx_size)
{
@@ -457,6 +487,98 @@ skl_process_log_buffer(struct sst_dsp *sst, struct skl_ipc_header header)
skl_dsp_put_log_buff(sst, core);
}
+static void
+skl_parse_resource_event(struct skl_sst *skl, struct skl_ipc_header header)
+{
+ struct skl_event_notify notify;
+ struct sst_dsp *sst = skl->dsp;
+
+ /* read the message contents from mailbox */
+ sst_dsp_inbox_read(sst, &notify, sizeof(struct skl_event_notify));
+
+ /* notify user about the event type */
+ switch (notify.event_type) {
+
+ case SKL_BUDGET_VIOLATION:
+ dev_err(sst->dev, "MCPS Budget Violation: %x\n",
+ header.primary);
+ break;
+ case SKL_MIXER_UNDERRUN:
+ dev_err(sst->dev, "Mixer Underrun Detected: %x\n",
+ header.primary);
+ break;
+ case SKL_STREAM_DATA_SEGMENT:
+ dev_err(sst->dev, "Stream Data Segment: %x\n",
+ header.primary);
+ break;
+ case SKL_PROCESS_DATA_ERR:
+ dev_err(sst->dev, "Process Data Error: %x\n",
+ header.primary);
+ break;
+ case SKL_STACK_OVERFLOW:
+ dev_err(sst->dev, "Stack Overflow: %x\n",
+ header.primary);
+ break;
+ case SKL_BUFFERING_MODE_CHANGED:
+ dev_err(sst->dev, "Buffering Mode Changed: %x\n",
+ header.primary);
+ break;
+ case SKL_GATEWAY_UNDERRUN:
+ dev_err(sst->dev, "Gateway Underrun Detected: %x\n",
+ header.primary);
+ break;
+ case SKL_GATEWAY_OVERRUN:
+ dev_err(sst->dev, "Gateway Overrun Detected: %x\n",
+ header.primary);
+ break;
+ case SKL_WCLK_SAMPLE_COUNT:
+ dev_err(sst->dev,
+ "FW Wclk and Sample count Notif Detected: %x\n",
+ header.primary);
+ break;
+ case SKL_GATEWAY_HIGH_THRESHOLD:
+ dev_err(sst->dev, "IPC gateway reached high threshold: %x\n",
+ header.primary);
+ break;
+ case SKL_GATEWAY_LOW_THRESHOLD:
+ dev_err(sst->dev, "IPC gateway reached low threshold: %x\n",
+ header.primary);
+ break;
+ case SKL_I2S_BCE_DETECTED:
+ dev_err(sst->dev, "Bit Count Error detected on I2S port: %x\n",
+ header.primary);
+ break;
+ case SKL_I2S_CLK_STATE_CHANGED:
+ dev_err(sst->dev, "Clock detected/loss on I2S port: %x\n",
+ header.primary);
+ break;
+ case SKL_I2S_SINK_MODE_CHANGED:
+ dev_err(sst->dev, "I2S Sink started/stopped dropping \
+ data in non-blk mode: %x\n", header.primary);
+ break;
+ case SKL_I2S_SOURCE_MODE_CHANGED:
+ dev_err(sst->dev, "I2S Source started/stopped generating 0's \
+ in non-blk mode: %x\n", header.primary);
+ break;
+ case SKL_SRE_DRIFT_TOO_HIGH:
+ dev_err(sst->dev,
+ "Frequency drift exceeded limit in SRE: %x\n",
+ header.primary);
+ break;
+ case SKL_INVALID_RESORUCE_EVENT_TYPE:
+ dev_err(sst->dev, "Invalid type: %x\n", header.primary);
+ break;
+ default:
+ dev_err(sst->dev, "ipc: Unhandled resource event=%x",
+ header.primary);
+ break;
+ }
+
+ print_hex_dump(KERN_DEBUG, "Params:",
+ DUMP_PREFIX_OFFSET, 8, 4,
+ &notify, sizeof(struct skl_event_notify), false);
+}
+
int skl_ipc_process_notification(struct sst_generic_ipc *ipc,
struct skl_ipc_header header)
{
@@ -471,8 +593,7 @@ int skl_ipc_process_notification(struct sst_generic_ipc *ipc,
break;
case IPC_GLB_NOTIFY_RESOURCE_EVENT:
- dev_err(ipc->dev, "MCPS Budget Violation: %x\n",
- header.primary);
+ skl_parse_resource_event(skl, header);
break;
case IPC_GLB_NOTIFY_FW_READY:
--
2.21.0
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