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

3 files changed, 157 insertions, 0 deletions

diff --git a/include/sound/soc-acpi-intel-match.h b/include/sound/soc-acpi-intel-match.h
new file mode 100644
index 000000000000..1a9191cd4bb3
--- /dev/null
+++ b/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
diff --git a/include/sound/soc-acpi.h b/include/sound/soc-acpi.h
new file mode 100644
index 000000000000..a7d8d335b043
--- /dev/null
+++ b/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
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 0668cbd9f0b5..1a7323238c49 100644
--- a/include/sound/soc.h
+++ b/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