ASoC: Intel: Skylake: Add support to disable module notifications

Each FW modules can report underrun/overrun notification from
all modules. This patch disables underrun/overrun notification after
firmware is loaded.
This will be supportted for debug mode only thru debugfs

Signed-off-by: Jeeja KP <jeeja.kp@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/intel/skylake/skl-messages.c b/sound/soc/intel/skylake/skl-messages.c
index 77c0736d3c9e98103fcd862a60e2cfdc2c498e33..ca7bbeea2cd9b01d31b3ed3f263cc5e1094908d5 100644 (file)
--- a/sound/soc/intel/skylake/skl-messages.c
+++ b/sound/soc/intel/skylake/skl-messages.c
@@ -54,6 +54,24 @@ static int skl_free_dma_buf(struct device *dev, struct snd_dma_buffer *dmab)
        return 0;
 }
 
+#define NOTIFICATION_PARAM_ID 3
+#define NOTIFICATION_MASK 0xf
+
+/* disable notfication for underruns/overruns from firmware module */
+static void skl_dsp_enable_notification(struct skl_sst *ctx, bool enable)
+{
+       struct notification_mask mask;
+       struct skl_ipc_large_config_msg msg = {0};
+
+       mask.notify = NOTIFICATION_MASK;
+       mask.enable = enable;
+
+       msg.large_param_id = NOTIFICATION_PARAM_ID;
+       msg.param_data_size = sizeof(mask);
+
+       skl_ipc_set_large_config(&ctx->ipc, &msg, (u32 *)&mask);
+}
+
 int skl_init_dsp(struct skl *skl)
 {
        void __iomem *mmio_base;
@@ -79,7 +97,7 @@ int skl_init_dsp(struct skl *skl)
 
        ret = skl_sst_dsp_init(bus->dev, mmio_base, irq,
                        loader_ops, &skl->skl_sst);
-
+       skl_dsp_enable_notification(skl->skl_sst, false);
        dev_dbg(bus->dev, "dsp registration status=%d\n", ret);
 
        return ret;
@@ -122,6 +140,7 @@ int skl_suspend_dsp(struct skl *skl)
 int skl_resume_dsp(struct skl *skl)
 {
        struct skl_sst *ctx = skl->skl_sst;
+       int ret;
 
        /* if ppcap is not supported return 0 */
        if (!skl->ebus.ppcap)
@@ -131,7 +150,12 @@ int skl_resume_dsp(struct skl *skl)
        snd_hdac_ext_bus_ppcap_enable(&skl->ebus, true);
        snd_hdac_ext_bus_ppcap_int_enable(&skl->ebus, true);
 
-       return skl_dsp_wake(ctx->dsp);
+       ret = skl_dsp_wake(ctx->dsp);
+       if (ret < 0)
+               return ret;
+
+       skl_dsp_enable_notification(skl->skl_sst, false);
+       return ret;
 }
 
 enum skl_bitdepth skl_get_bit_depth(int params)

diff --git a/sound/soc/intel/skylake/skl-topology.h b/sound/soc/intel/skylake/skl-topology.h
index 2399535a196aa8e2c1b2814061f8ac9e6db844bb..76053a8de41cf255bfe77d24673c320cf5d2fd0a 100644 (file)
--- a/sound/soc/intel/skylake/skl-topology.h
+++ b/sound/soc/intel/skylake/skl-topology.h
@@ -129,6 +129,11 @@ struct skl_src_module_cfg {
        enum skl_s_freq src_cfg;
 } __packed;
 
+struct notification_mask {
+       u32 notify;
+       u32 enable;
+} __packed;
+
 struct skl_up_down_mixer_cfg {
        struct skl_base_cfg base_cfg;
        enum skl_ch_cfg out_ch_cfg;