[RFC,v5,4/9] ASoC: Intel: Skylake: use hda_bus instead of hdac_bus
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Message ID 1514955382-742-5-git-send-email-rakesh.a.ughreja@intel.com
State New
Headers show

Commit Message

Ughreja, Rakesh A Jan. 3, 2018, 4:56 a.m. UTC
Use hda_bus instead of hdac_bus in the SKL ASoC platform driver to enable
reuse of legacy HDA codec drivers.

Signed-off-by: Rakesh Ughreja <rakesh.a.ughreja@intel.com>
---
 sound/soc/intel/skylake/skl.c | 13 ++++++++++++-
 sound/soc/intel/skylake/skl.h | 10 +++++++---
 2 files changed, 19 insertions(+), 4 deletions(-)

Patch
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diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c
index f923aa8..39c6909 100644
--- a/sound/soc/intel/skylake/skl.c
+++ b/sound/soc/intel/skylake/skl.c
@@ -35,6 +35,7 @@ 
 #include "skl.h"
 #include "skl-sst-dsp.h"
 #include "skl-sst-ipc.h"
+#include "../../../pci/hda/hda_codec.h"
 
 static struct skl_machine_pdata skl_dmic_data;
 
@@ -635,7 +636,7 @@  static int probe_codec(struct hdac_bus *bus, int addr)
 	mutex_unlock(&bus->cmd_mutex);
 	if (res == -1)
 		return -EIO;
-	dev_dbg(bus->dev, "codec #%d probed OK\n", addr);
+	dev_dbg(bus->dev, "codec #%d probed OK: %x\n", addr, res);
 
 	return snd_hdac_ext_bus_device_init(bus, addr);
 }
@@ -774,6 +775,7 @@  static int skl_create(struct pci_dev *pci,
 {
 	struct skl *skl;
 	struct hdac_bus *bus;
+	struct hda_bus *hbus;
 
 	int err;
 
@@ -789,6 +791,7 @@  static int skl_create(struct pci_dev *pci,
 		return -ENOMEM;
 	}
 
+	hbus = skl_to_hbus(skl);
 	bus = skl_to_bus(skl);
 	snd_hdac_ext_bus_init(bus, &pci->dev, &bus_core_ops, io_ops);
 	bus->use_posbuf = 1;
@@ -796,6 +799,14 @@  static int skl_create(struct pci_dev *pci,
 	INIT_WORK(&skl->probe_work, skl_probe_work);
 	bus->bdl_pos_adj = 0;
 
+	/*
+	 * TODO: other parameters can be taken the way it is taken by
+	 * legacy HDA driver
+	 */
+	mutex_init(&hbus->prepare_mutex);
+	hbus->pci = pci;
+	hbus->mixer_assigned = -1;
+
 	*rskl = skl;
 
 	return 0;
diff --git a/sound/soc/intel/skylake/skl.h b/sound/soc/intel/skylake/skl.h
index 8a5a3e8..dce972b 100644
--- a/sound/soc/intel/skylake/skl.h
+++ b/sound/soc/intel/skylake/skl.h
@@ -26,6 +26,7 @@ 
 #include <sound/soc.h>
 #include "skl-nhlt.h"
 #include "skl-ssp-clk.h"
+#include "../../../pci/hda/hda_codec.h"
 
 #define SKL_SUSPEND_DELAY 2000
 
@@ -63,7 +64,7 @@  struct skl_fw_config {
 };
 
 struct skl {
-	struct hdac_bus hbus;
+	struct hda_bus hbus;
 	struct pci_dev *pci;
 
 	unsigned int init_done:1; /* delayed init status */
@@ -97,8 +98,11 @@  struct skl {
 	struct snd_soc_acpi_mach *mach;
 };
 
-#define skl_to_bus(s)  (&(s)->hbus)
-#define bus_to_skl(bus) container_of(bus, struct skl, hbus)
+#define skl_to_bus(s)  (&(s)->hbus.core)
+#define bus_to_skl(bus) container_of(bus, struct skl, hbus.core)
+
+#define skl_to_hbus(s) (&(s)->hbus)
+#define hbus_to_skl(hbus) container_of(hbus, struct skl, hbus)
 
 /* to pass dai dma data */
 struct skl_dma_params {