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ASoC: SOF: Do not send cmd via SHIM register 

We use shim registers only to notify the other
side that a message was sent. The actual information
for the message is transmitted via mailbox.

cmd information inside shim register is not used by
the DSP, so we remove it to avoid confusion.

Signed-off-by: Daniel Baluta <daniel.baluta@gmail.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Daniel Baluta 2019-06-03 11:20:25 -05:00 committed by Mark Brown
parent 5c9714f637
commit 6fbbc18ead
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
3 changed files with 3 additions and 10 deletions
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5
sound/soc/sof/intel/byt.c
View File

@ -373,13 +373,10 @@ 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)
{
u64 cmd = msg->header;
/* send the message */
sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data,
msg->msg_size);
snd_sof_dsp_write64(sdev, BYT_DSP_BAR, SHIM_IPCX,
cmd | SHIM_BYT_IPCX_BUSY);
snd_sof_dsp_write64(sdev, BYT_DSP_BAR, SHIM_IPCX, SHIM_BYT_IPCX_BUSY);
return 0;
}

4
sound/soc/sof/intel/cnl.c
View File

@ -151,13 +151,11 @@ static void cnl_ipc_dsp_done(struct snd_sof_dev *sdev)
static int cnl_ipc_send_msg(struct snd_sof_dev *sdev,
struct snd_sof_ipc_msg *msg)
{
u32 cmd = msg->header;
/* send the message */
sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data,
msg->msg_size);
snd_sof_dsp_write(sdev, HDA_DSP_BAR, CNL_DSP_REG_HIPCIDR,
cmd | CNL_DSP_REG_HIPCIDR_BUSY);
CNL_DSP_REG_HIPCIDR_BUSY);
return 0;
}

4
sound/soc/sof/intel/hda-ipc.c
View File

@ -56,13 +56,11 @@ static void hda_dsp_ipc_dsp_done(struct snd_sof_dev *sdev)
int hda_dsp_ipc_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg)
{
u32 cmd = msg->header;
/* send IPC message to DSP */
sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data,
msg->msg_size);
snd_sof_dsp_write(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCI,
cmd | HDA_DSP_REG_HIPCI_BUSY);
HDA_DSP_REG_HIPCI_BUSY);
return 0;
}