Merge remote-tracking branch 'asoc/topic/intel' into asoc-next

include/sound/soc-acpi-intel-match.h

@@ -0,0 +1,32 @@
+
+/*
+ * Copyright (C) 2017, Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __LINUX_SND_SOC_ACPI_INTEL_MATCH_H
+#define __LINUX_SND_SOC_ACPI_INTEL_MATCH_H
+
+#include <linux/stddef.h>
+#include <linux/acpi.h>
+
+/*
+ * these tables are not constants, some fields can be used for
+ * pdata or machine ops
+ */
+extern struct snd_soc_acpi_mach snd_soc_acpi_intel_haswell_machines[];
+extern struct snd_soc_acpi_mach snd_soc_acpi_intel_broadwell_machines[];
+extern struct snd_soc_acpi_mach snd_soc_acpi_intel_baytrail_legacy_machines[];
+extern struct snd_soc_acpi_mach snd_soc_acpi_intel_baytrail_machines[];
+extern struct snd_soc_acpi_mach snd_soc_acpi_intel_cherrytrail_machines[];
+
+#endif

include/sound/soc-acpi.h

@@ -0,0 +1,111 @@
+/*
+ * Copyright (C) 2013-15, Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __LINUX_SND_SOC_ACPI_H
+#define __LINUX_SND_SOC_ACPI_H
+
+#include <linux/stddef.h>
+#include <linux/acpi.h>
+
+struct snd_soc_acpi_package_context {
+	char *name;           /* package name */
+	int length;           /* number of elements */
+	struct acpi_buffer *format;
+	struct acpi_buffer *state;
+	bool data_valid;
+};
+
+#if IS_ENABLED(CONFIG_ACPI)
+/* translation fron HID to I2C name, needed for DAI codec_name */
+const char *snd_soc_acpi_find_name_from_hid(const u8 hid[ACPI_ID_LEN]);
+bool snd_soc_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN],
+				    struct snd_soc_acpi_package_context *ctx);
+#else
+static inline const char *
+snd_soc_acpi_find_name_from_hid(const u8 hid[ACPI_ID_LEN])
+{
+	return NULL;
+}
+static inline bool
+snd_soc_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN],
+				   struct snd_soc_acpi_package_context *ctx)
+{
+	return false;
+}
+#endif
+
+/* acpi match */
+struct snd_soc_acpi_mach *
+snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines);
+
+/* acpi check hid */
+bool snd_soc_acpi_check_hid(const u8 hid[ACPI_ID_LEN]);
+
+/**
+ * snd_soc_acpi_mach: ACPI-based machine descriptor. Most of the fields are
+ * related to the hardware, except for the firmware and topology file names.
+ * A platform supported by legacy and Sound Open Firmware (SOF) would expose
+ * all firmware/topology related fields.
+ *
+ * @id: ACPI ID (usually the codec's) used to find a matching machine driver.
+ * @drv_name: machine driver name
+ * @fw_filename: firmware file name. Used when SOF is not enabled.
+ * @board: board name
+ * @machine_quirk: pointer to quirk, usually based on DMI information when
+ * ACPI ID alone is not sufficient, wrong or misleading
+ * @quirk_data: data used to uniquely identify a machine, usually a list of
+ * audio codecs whose presence if checked with ACPI
+ * @pdata: intended for platform data or machine specific-ops. This structure
+ *  is not constant since this field may be updated at run-time
+ * @sof_fw_filename: Sound Open Firmware file name, if enabled
+ * @sof_tplg_filename: Sound Open Firmware topology file name, if enabled
+ * @asoc_plat_name: ASoC platform name, used for binding machine drivers
+ * if non NULL
+ * @new_mach_data: machine driver private data fixup
+ */
+/* Descriptor for SST ASoC machine driver */
+struct snd_soc_acpi_mach {
+	const u8 id[ACPI_ID_LEN];
+	const char *drv_name;
+	const char *fw_filename;
+	const char *board;
+	struct snd_soc_acpi_mach * (*machine_quirk)(void *arg);
+	const void *quirk_data;
+	void *pdata;
+	const char *sof_fw_filename;
+	const char *sof_tplg_filename;
+	const char *asoc_plat_name;
+	struct platform_device * (*new_mach_data)(void *pdata);
+};
+
+#define SND_SOC_ACPI_MAX_CODECS 3
+
+/**
+ * struct snd_soc_acpi_codecs: Structure to hold secondary codec information
+ * apart from the matched one, this data will be passed to the quirk function
+ * to match with the ACPI detected devices
+ *
+ * @num_codecs: number of secondary codecs used in the platform
+ * @codecs: holds the codec IDs
+ *
+ */
+struct snd_soc_acpi_codecs {
+	int num_codecs;
+	u8 codecs[SND_SOC_ACPI_MAX_CODECS][ACPI_ID_LEN];
+};
+
+/* check all codecs */
+struct snd_soc_acpi_mach *snd_soc_acpi_codec_list(void *arg);
+
+#endif

include/sound/soc.h

@@ -1821,6 +1821,20 @@ struct snd_soc_dai *snd_soc_find_dai(
 
 #include <sound/soc-dai.h>
 
+static inline
+struct snd_soc_dai *snd_soc_card_get_codec_dai(struct snd_soc_card *card,
+					       const char *dai_name)
+{
+	struct snd_soc_pcm_runtime *rtd;
+
+	list_for_each_entry(rtd, &card->rtd_list, list) {
+		if (!strcmp(rtd->codec_dai->name, dai_name))
+			return rtd->codec_dai;
+	}
+
+	return NULL;
+}
+
 #ifdef CONFIG_DEBUG_FS
 extern struct dentry *snd_soc_debugfs_root;
 #endif

sound/soc/Kconfig

@@ -36,6 +36,9 @@ config SND_SOC_COMPRESS
 config SND_SOC_TOPOLOGY
 	bool
 
+config SND_SOC_ACPI
+	tristate
+
 # All the supported SoCs
 source "sound/soc/adi/Kconfig"
 source "sound/soc/amd/Kconfig"

sound/soc/Makefile

@@ -15,6 +15,12 @@ ifneq ($(CONFIG_SND_SOC_AC97_BUS),)
 snd-soc-core-objs += soc-ac97.o
 endif
 
+ifneq ($(CONFIG_SND_SOC_ACPI),)
+snd-soc-acpi-objs := soc-acpi.o
+endif
+
+obj-$(CONFIG_SND_SOC_ACPI) += snd-soc-acpi.o
+
 obj-$(CONFIG_SND_SOC)	+= snd-soc-core.o
 obj-$(CONFIG_SND_SOC)	+= codecs/
 obj-$(CONFIG_SND_SOC)	+= generic/

sound/soc/codecs/hdac_hdmi.c

@@ -942,7 +942,8 @@ static int hdac_hdmi_create_pin_port_muxs(struct hdac_ext_device *edev,
 	if (!se)
 		return -ENOMEM;
 
-	sprintf(kc_name, "Pin %d port %d Input", pin->nid, port->id);
+	snprintf(kc_name, NAME_SIZE, "Pin %d port %d Input",
+						pin->nid, port->id);
 	kc->name = devm_kstrdup(&edev->hdac.dev, kc_name, GFP_KERNEL);
 	if (!kc->name)
 		return -ENOMEM;
@@ -1452,6 +1453,8 @@ static int hdac_hdmi_parse_and_map_nid(struct hdac_ext_device *edev,
 	int i, num_nodes;
 	struct hdac_device *hdac = &edev->hdac;
 	struct hdac_hdmi_priv *hdmi = edev->private_data;
+	struct hdac_hdmi_cvt *temp_cvt, *cvt_next;
+	struct hdac_hdmi_pin *temp_pin, *pin_next;
 	int ret;
 
 	hdac_hdmi_skl_enable_all_pins(hdac);
@@ -1481,32 +1484,54 @@ static int hdac_hdmi_parse_and_map_nid(struct hdac_ext_device *edev,
 		case AC_WID_AUD_OUT:
 			ret = hdac_hdmi_add_cvt(edev, nid);
 			if (ret < 0)
-				return ret;
+				goto free_widgets;
 			break;
 
 		case AC_WID_PIN:
 			ret = hdac_hdmi_add_pin(edev, nid);
 			if (ret < 0)
-				return ret;
+				goto free_widgets;
 			break;
 		}
 	}
 
 	hdac->end_nid = nid;
 
-	if (!hdmi->num_pin || !hdmi->num_cvt)
-		return -EIO;
+	if (!hdmi->num_pin || !hdmi->num_cvt) {
+		ret = -EIO;
+		goto free_widgets;
+	}
 
 	ret = hdac_hdmi_create_dais(hdac, dais, hdmi, hdmi->num_cvt);
 	if (ret) {
 		dev_err(&hdac->dev, "Failed to create dais with err: %d\n",
 							ret);
-		return ret;
+		goto free_widgets;
 	}
 
 	*num_dais = hdmi->num_cvt;
+	ret = hdac_hdmi_init_dai_map(edev);
+	if (ret < 0)
+		goto free_widgets;
+
+	return ret;
+
+free_widgets:
+	list_for_each_entry_safe(temp_cvt, cvt_next, &hdmi->cvt_list, head) {
+		list_del(&temp_cvt->head);
+		kfree(temp_cvt->name);
+		kfree(temp_cvt);
+	}
+
+	list_for_each_entry_safe(temp_pin, pin_next, &hdmi->pin_list, head) {
+		for (i = 0; i < temp_pin->num_ports; i++)
+			temp_pin->ports[i].pin = NULL;
+		kfree(temp_pin->ports);
+		list_del(&temp_pin->head);
+		kfree(temp_pin);
+	}
 
-	return hdac_hdmi_init_dai_map(edev);
+	return ret;
 }
 
 static void hdac_hdmi_eld_notify_cb(void *aptr, int port, int pipe)
@@ -1894,6 +1919,9 @@ static void hdac_hdmi_set_chmap(struct hdac_device *hdac, int pcm_idx,
 	struct hdac_hdmi_pcm *pcm = get_hdmi_pcm_from_id(hdmi, pcm_idx);
 	struct hdac_hdmi_port *port;
 
+	if (!pcm)
+		return;
+
 	if (list_empty(&pcm->port_list))
 		return;
 
@@ -1912,6 +1940,9 @@ static bool is_hdac_hdmi_pcm_attached(struct hdac_device *hdac, int pcm_idx)
 	struct hdac_hdmi_priv *hdmi = edev->private_data;
 	struct hdac_hdmi_pcm *pcm = get_hdmi_pcm_from_id(hdmi, pcm_idx);
 
+	if (!pcm)
+		return false;
+
 	if (list_empty(&pcm->port_list))
 		return false;
 
@@ -1925,6 +1956,9 @@ static int hdac_hdmi_get_spk_alloc(struct hdac_device *hdac, int pcm_idx)
 	struct hdac_hdmi_pcm *pcm = get_hdmi_pcm_from_id(hdmi, pcm_idx);
 	struct hdac_hdmi_port *port;
 
+	if (!pcm)
+		return 0;
+
 	if (list_empty(&pcm->port_list))
 		return 0;
 
@@ -1978,6 +2012,9 @@ static int hdac_hdmi_dev_probe(struct hdac_ext_device *edev)
 	hdmi_priv->chmap.ops.is_pcm_attached = is_hdac_hdmi_pcm_attached;
 	hdmi_priv->chmap.ops.get_spk_alloc = hdac_hdmi_get_spk_alloc;
 
+	if (!hdac_id)
+		return -ENODEV;
+
 	if (hdac_id->driver_data)
 		hdmi_priv->drv_data =
 			(struct hdac_hdmi_drv_data *)hdac_id->driver_data;