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Diffstat (limited to 'sound/soc/sof/intel/hda-ctrl.c')
-rw-r--r--sound/soc/sof/intel/hda-ctrl.c134
1 files changed, 52 insertions, 82 deletions
diff --git a/sound/soc/sof/intel/hda-ctrl.c b/sound/soc/sof/intel/hda-ctrl.c
index fa5f0a718901..4f34fd919a00 100644
--- a/sound/soc/sof/intel/hda-ctrl.c
+++ b/sound/soc/sof/intel/hda-ctrl.c
@@ -3,7 +3,7 @@
// This file is provided under a dual BSD/GPLv2 license. When using or
// redistributing this file, you may do so under either license.
//
-// Copyright(c) 2018 Intel Corporation. All rights reserved.
+// Copyright(c) 2018 Intel Corporation
//
// Authors: Liam Girdwood <liam.r.girdwood@linux.intel.com>
// Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
@@ -19,15 +19,10 @@
#include <sound/hdaudio_ext.h>
#include <sound/hda_register.h>
#include <sound/hda_component.h>
+#include <sound/hda-mlink.h>
#include "../ops.h"
#include "hda.h"
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
-static int hda_codec_mask = -1;
-module_param_named(codec_mask, hda_codec_mask, int, 0444);
-MODULE_PARM_DESC(codec_mask, "SOF HDA codec mask for probing");
-#endif
-
/*
* HDA Operations.
*/
@@ -133,6 +128,7 @@ int hda_dsp_ctrl_get_caps(struct snd_sof_dev *sdev)
return 0;
}
+EXPORT_SYMBOL_NS(hda_dsp_ctrl_get_caps, "SND_SOC_SOF_INTEL_HDA_COMMON");
void hda_dsp_ctrl_ppcap_enable(struct snd_sof_dev *sdev, bool enable)
{
@@ -141,6 +137,7 @@ void hda_dsp_ctrl_ppcap_enable(struct snd_sof_dev *sdev, bool enable)
snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
SOF_HDA_PPCTL_GPROCEN, val);
}
+EXPORT_SYMBOL_NS(hda_dsp_ctrl_ppcap_enable, "SND_SOC_SOF_INTEL_HDA_COMMON");
void hda_dsp_ctrl_ppcap_int_enable(struct snd_sof_dev *sdev, bool enable)
{
@@ -149,6 +146,7 @@ void hda_dsp_ctrl_ppcap_int_enable(struct snd_sof_dev *sdev, bool enable)
snd_sof_dsp_update_bits(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPCTL,
SOF_HDA_PPCTL_PIE, val);
}
+EXPORT_SYMBOL_NS(hda_dsp_ctrl_ppcap_int_enable, "SND_SOC_SOF_INTEL_HDA_COMMON");
void hda_dsp_ctrl_misc_clock_gating(struct snd_sof_dev *sdev, bool enable)
{
@@ -164,16 +162,18 @@ void hda_dsp_ctrl_misc_clock_gating(struct snd_sof_dev *sdev, bool enable)
*/
int hda_dsp_ctrl_clock_power_gating(struct snd_sof_dev *sdev, bool enable)
{
+ struct sof_intel_hda_dev *hda = sdev->pdata->hw_pdata;
u32 val;
/* enable/disable audio dsp clock gating */
val = enable ? PCI_CGCTL_ADSPDCGE : 0;
snd_sof_pci_update_bits(sdev, PCI_CGCTL, PCI_CGCTL_ADSPDCGE, val);
- /* enable/disable DMI Link L1 support */
+ /* disable the DMI link when requested. But enable only if it wasn't disabled previously */
val = enable ? HDA_VS_INTEL_EM2_L1SEN : 0;
- snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, HDA_VS_INTEL_EM2,
- HDA_VS_INTEL_EM2_L1SEN, val);
+ if (!enable || !hda->l1_disabled)
+ snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, HDA_VS_INTEL_EM2,
+ HDA_VS_INTEL_EM2_L1SEN, val);
/* enable/disable audio dsp power gating */
val = enable ? 0 : PCI_PGCTL_ADSPPGD;
@@ -181,93 +181,66 @@ int hda_dsp_ctrl_clock_power_gating(struct snd_sof_dev *sdev, bool enable)
return 0;
}
+EXPORT_SYMBOL_NS(hda_dsp_ctrl_clock_power_gating, "SND_SOC_SOF_INTEL_HDA_COMMON");
-int hda_dsp_ctrl_init_chip(struct snd_sof_dev *sdev, bool full_reset)
+int hda_dsp_ctrl_init_chip(struct snd_sof_dev *sdev)
{
struct hdac_bus *bus = sof_to_bus(sdev);
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
- struct hdac_ext_link *hlink;
-#endif
struct hdac_stream *stream;
int sd_offset, ret = 0;
+ u32 gctl;
if (bus->chip_init)
return 0;
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
- snd_hdac_set_codec_wakeup(bus, true);
-#endif
- hda_dsp_ctrl_misc_clock_gating(sdev, false);
-
- if (full_reset) {
- /* reset HDA controller */
- ret = hda_dsp_ctrl_link_reset(sdev, true);
- if (ret < 0) {
- dev_err(sdev->dev, "error: failed to reset HDA controller\n");
- goto err;
- }
-
- usleep_range(500, 1000);
+ hda_codec_set_codec_wakeup(sdev, true);
- /* exit HDA controller reset */
- ret = hda_dsp_ctrl_link_reset(sdev, false);
- if (ret < 0) {
- dev_err(sdev->dev, "error: failed to exit HDA controller reset\n");
- goto err;
- }
+ hda_dsp_ctrl_misc_clock_gating(sdev, false);
- usleep_range(1000, 1200);
- }
+ /* clear WAKE_STS if not in reset */
+ gctl = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_GCTL);
+ if (gctl & SOF_HDA_GCTL_RESET)
+ snd_sof_dsp_write(sdev, HDA_DSP_HDA_BAR,
+ SOF_HDA_WAKESTS, SOF_HDA_WAKESTS_INT_MASK);
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
- /* check to see if controller is ready */
- if (!snd_hdac_chip_readb(bus, GCTL)) {
- dev_dbg(bus->dev, "controller not ready!\n");
- ret = -EBUSY;
+ /* reset HDA controller */
+ ret = hda_dsp_ctrl_link_reset(sdev, true);
+ if (ret < 0) {
+ dev_err(sdev->dev, "error: failed to reset HDA controller\n");
goto err;
}
- /* Accept unsolicited responses */
- snd_hdac_chip_updatel(bus, GCTL, AZX_GCTL_UNSOL, AZX_GCTL_UNSOL);
+ usleep_range(500, 1000);
- /* detect codecs */
- if (!bus->codec_mask) {
- bus->codec_mask = snd_hdac_chip_readw(bus, STATESTS);
- dev_dbg(bus->dev, "codec_mask = 0x%lx\n", bus->codec_mask);
+ /* exit HDA controller reset */
+ ret = hda_dsp_ctrl_link_reset(sdev, false);
+ if (ret < 0) {
+ dev_err(sdev->dev, "error: failed to exit HDA controller reset\n");
+ goto err;
}
+ usleep_range(1000, 1200);
- if (hda_codec_mask != -1) {
- bus->codec_mask &= hda_codec_mask;
- dev_dbg(bus->dev, "filtered codec_mask = 0x%lx\n",
- bus->codec_mask);
- }
-#endif
+ hda_codec_detect_mask(sdev);
/* clear stream status */
list_for_each_entry(stream, &bus->stream_list, list) {
sd_offset = SOF_STREAM_SD_OFFSET(stream);
snd_sof_dsp_write(sdev, HDA_DSP_HDA_BAR,
- sd_offset + SOF_HDA_ADSP_REG_CL_SD_STS,
+ sd_offset + SOF_HDA_ADSP_REG_SD_STS,
SOF_HDA_CL_DMA_SD_INT_MASK);
}
/* clear WAKESTS */
snd_sof_dsp_write(sdev, HDA_DSP_HDA_BAR, SOF_HDA_WAKESTS,
- SOF_HDA_WAKESTS_INT_MASK);
+ bus->codec_mask);
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
- /* clear rirb status */
- snd_hdac_chip_writeb(bus, RIRBSTS, RIRB_INT_MASK);
-#endif
+ hda_codec_rirb_status_clear(sdev);
/* clear interrupt status register */
snd_sof_dsp_write(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS,
SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_ALL_STREAM);
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
- /* initialize the codec command I/O */
- snd_hdac_bus_init_cmd_io(bus);
-#endif
+ hda_codec_init_cmd_io(sdev);
/* enable CIE and GIE interrupts */
snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL,
@@ -282,22 +255,18 @@ int hda_dsp_ctrl_init_chip(struct snd_sof_dev *sdev, bool full_reset)
upper_32_bits(bus->posbuf.addr));
}
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
- /* Reset stream-to-link mapping */
- list_for_each_entry(hlink, &bus->hlink_list, list)
- writel(0, hlink->ml_addr + AZX_REG_ML_LOSIDV);
-#endif
+ hda_bus_ml_reset_losidv(bus);
bus->chip_init = true;
err:
hda_dsp_ctrl_misc_clock_gating(sdev, true);
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
- snd_hdac_set_codec_wakeup(bus, false);
-#endif
+
+ hda_codec_set_codec_wakeup(sdev, false);
return ret;
}
+EXPORT_SYMBOL_NS(hda_dsp_ctrl_init_chip, "SND_SOC_SOF_INTEL_HDA_COMMON");
void hda_dsp_ctrl_stop_chip(struct snd_sof_dev *sdev)
{
@@ -313,7 +282,7 @@ void hda_dsp_ctrl_stop_chip(struct snd_sof_dev *sdev)
sd_offset = SOF_STREAM_SD_OFFSET(stream);
snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
sd_offset +
- SOF_HDA_ADSP_REG_CL_SD_CTL,
+ SOF_HDA_ADSP_REG_SD_CTL,
SOF_HDA_CL_DMA_SD_INT_MASK,
0);
}
@@ -331,7 +300,7 @@ void hda_dsp_ctrl_stop_chip(struct snd_sof_dev *sdev)
list_for_each_entry(stream, &bus->stream_list, list) {
sd_offset = SOF_STREAM_SD_OFFSET(stream);
snd_sof_dsp_write(sdev, HDA_DSP_HDA_BAR,
- sd_offset + SOF_HDA_ADSP_REG_CL_SD_STS,
+ sd_offset + SOF_HDA_ADSP_REG_SD_STS,
SOF_HDA_CL_DMA_SD_INT_MASK);
}
@@ -339,21 +308,16 @@ void hda_dsp_ctrl_stop_chip(struct snd_sof_dev *sdev)
snd_sof_dsp_write(sdev, HDA_DSP_HDA_BAR, SOF_HDA_WAKESTS,
SOF_HDA_WAKESTS_INT_MASK);
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
- /* clear rirb status */
- snd_hdac_chip_writeb(bus, RIRBSTS, RIRB_INT_MASK);
-#endif
+ hda_codec_rirb_status_clear(sdev);
/* clear interrupt status register */
snd_sof_dsp_write(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS,
SOF_HDA_INT_CTRL_EN | SOF_HDA_INT_ALL_STREAM);
-#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
- /* disable CORB/RIRB */
- snd_hdac_bus_stop_cmd_io(bus);
-#endif
+ hda_codec_stop_cmd_io(sdev);
+
/* disable position buffer */
- if (bus->posbuf.addr) {
+ if (bus->use_posbuf && bus->posbuf.addr) {
snd_sof_dsp_write(sdev, HDA_DSP_HDA_BAR,
SOF_HDA_ADSP_DPLBASE, 0);
snd_sof_dsp_write(sdev, HDA_DSP_HDA_BAR,
@@ -362,3 +326,9 @@ void hda_dsp_ctrl_stop_chip(struct snd_sof_dev *sdev)
bus->chip_init = false;
}
+
+MODULE_LICENSE("Dual BSD/GPL");
+MODULE_DESCRIPTION("SOF helpers for HDaudio platforms");
+MODULE_IMPORT_NS("SND_SOC_SOF_HDA_MLINK");
+MODULE_IMPORT_NS("SND_SOC_SOF_HDA_AUDIO_CODEC");
+MODULE_IMPORT_NS("SND_SOC_SOF_HDA_AUDIO_CODEC_I915");