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ASoC: SOF: configure D0ix IPC flags in set_power_state

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The configuration for D0ix in FW is platform specific, let's do this and
send IPC in the platform set_power_state() ops.

Signed-off-by: Keyon Jie <yang.jie@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20191025224122.7718-17-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Keyon Jie 2019-10-25 17:41:12 -05:00 committed by Mark Brown
parent 5056193d4d
commit 534037fddd
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 31 additions and 1 deletions
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32
sound/soc/sof/intel/hda-dsp.c
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@ -19,6 +19,7 @@
#include <sound/hda_register.h>
#include "../ops.h"
#include "hda.h"
#include "hda-ipc.h"
/*
* DSP Core control.
@ -319,10 +320,28 @@ static int hda_dsp_wait_d0i3c_done(struct snd_sof_dev *sdev, int retry)
return 0;
}
static int hda_dsp_send_pm_gate_ipc(struct snd_sof_dev *sdev, u32 flags)
{
struct sof_ipc_pm_gate pm_gate;
struct sof_ipc_reply reply;
memset(&pm_gate, 0, sizeof(pm_gate));
/* configure pm_gate ipc message */
pm_gate.hdr.size = sizeof(pm_gate);
pm_gate.hdr.cmd = SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_GATE;
pm_gate.flags = flags;
/* send pm_gate ipc to dsp */
return sof_ipc_tx_message(sdev->ipc, pm_gate.hdr.cmd, &pm_gate,
sizeof(pm_gate), &reply, sizeof(reply));
}
int hda_dsp_set_power_state(struct snd_sof_dev *sdev,
enum sof_d0_substate d0_substate)
{
struct hdac_bus *bus = sof_to_bus(sdev);
u32 flags;
int ret;
u8 value;
@ -347,7 +366,18 @@ int hda_dsp_set_power_state(struct snd_sof_dev *sdev,
dev_vdbg(bus->dev, "D0I3C updated, register = 0x%x\n",
snd_hdac_chip_readb(bus, VS_D0I3C));
return 0;
if (d0_substate == SOF_DSP_D0I0)
flags = HDA_PM_PPG;/* prevent power gating in D0 */
else
flags = HDA_PM_NO_DMA_TRACE;/* disable DMA trace in D0I3*/
/* sending pm_gate IPC */
ret = hda_dsp_send_pm_gate_ipc(sdev, flags);
if (ret < 0)
dev_err(sdev->dev,
"error: PM_GATE ipc error %d\n", ret);
return ret;
}
static int hda_suspend(struct snd_sof_dev *sdev, bool runtime_suspend)