diff options
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/sof/intel/byt.c | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/sound/soc/sof/intel/byt.c b/sound/soc/sof/intel/byt.c index c6ac914ee56c..e6ba8382b1de 100644 --- a/sound/soc/sof/intel/byt.c +++ b/sound/soc/sof/intel/byt.c @@ -236,6 +236,10 @@ static irqreturn_t byt_irq_thread(int irq, void *context) static int byt_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg) { + /* unmask and prepare to receive Done interrupt */ + snd_sof_dsp_update_bits64_unlocked(sdev, BYT_DSP_BAR, SHIM_IMRX, + SHIM_IMRX_DONE, 0); + /* send the message */ sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data, msg->msg_size); @@ -301,7 +305,7 @@ static void byt_host_done(struct snd_sof_dev *sdev) SHIM_BYT_IPCD_DONE, SHIM_BYT_IPCD_DONE); - /* unmask busy interrupt */ + /* unmask and prepare to receive next new message */ snd_sof_dsp_update_bits64_unlocked(sdev, BYT_DSP_BAR, SHIM_IMRX, SHIM_IMRX_BUSY, 0); } @@ -311,10 +315,6 @@ static void byt_dsp_done(struct snd_sof_dev *sdev) /* clear DONE bit - tell DSP we have completed */ snd_sof_dsp_update_bits64_unlocked(sdev, BYT_DSP_BAR, SHIM_IPCX, SHIM_BYT_IPCX_DONE, 0); - - /* unmask Done interrupt */ - snd_sof_dsp_update_bits64_unlocked(sdev, BYT_DSP_BAR, SHIM_IMRX, - SHIM_IMRX_DONE, 0); } /* @@ -453,9 +453,10 @@ static int byt_suspend(struct snd_sof_dev *sdev, u32 target_state) static int byt_resume(struct snd_sof_dev *sdev) { - /* Enable Interrupt from both sides */ - snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_IMRX, 0x3, 0x0); - snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_IMRD, 0x3, 0x0); + /* enable BUSY and disable DONE Interrupt by default */ + snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_IMRX, + SHIM_IMRX_BUSY | SHIM_IMRX_DONE, + SHIM_IMRX_DONE); return 0; } @@ -606,9 +607,10 @@ irq: return ret; } - /* enable Interrupt from both sides */ - snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_IMRX, 0x3, 0x0); - snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_IMRD, 0x3, 0x0); + /* enable BUSY and disable DONE Interrupt by default */ + snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_IMRX, + SHIM_IMRX_BUSY | SHIM_IMRX_DONE, + SHIM_IMRX_DONE); /* set default mailbox offset for FW ready message */ sdev->dsp_box.offset = MBOX_OFFSET; @@ -808,9 +810,10 @@ irq: return ret; } - /* enable Interrupt from both sides */ - snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_IMRX, 0x3, 0x0); - snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_IMRD, 0x3, 0x0); + /* enable BUSY and disable DONE Interrupt by default */ + snd_sof_dsp_update_bits64(sdev, BYT_DSP_BAR, SHIM_IMRX, + SHIM_IMRX_BUSY | SHIM_IMRX_DONE, + SHIM_IMRX_DONE); /* set default mailbox offset for FW ready message */ sdev->dsp_box.offset = MBOX_OFFSET; |