ASoC: move ACPI common code out of Intel/sst tree

ACPI support is not specific to the Intel/SST driver. Move the enumeration
and matching code which is not hardware-dependent to sound/soc and rename
relevant sst_acpi_ structures and functions with snd_soc_acpi_ prefix

soc-acpi.h is protected by a #ifndef __LINUX_SND_SOC_ACPI_H for
consistency with all other SoC .h files:

grep -L __LINUX include/sound/soc* | wc -l
0
grep __LINUX include/sound/soc* | wc -l
14

Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Acked-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

include/sound/soc-acpi.h

@@ -0,0 +1,100 @@
+/*
+ * 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.
+ *
+ * @id: ACPI ID (usually the codec's) used to find a matching machine driver.
+ * @drv_name: machine driver name
+ * @fw_filename: firmware file name.
+ * @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
+ */
+/* 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;
+};
+
+#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

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

@@ -14,6 +14,12 @@ 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/intel/Kconfig

@@ -41,6 +41,7 @@ config SND_SOC_INTEL_SST_ACPI
 
 config SND_SOC_INTEL_SST_MATCH
 	tristate
+	select SND_SOC_ACPI if ACPI
 
 config SND_SOC_INTEL_HASWELL
 	tristate

sound/soc/intel/atom/sst/sst_acpi.c

@@ -40,9 +40,9 @@
 #include <acpi/acpi_bus.h>
 #include <asm/cpu_device_id.h>
 #include <asm/iosf_mbi.h>
+#include <sound/soc-acpi.h>
 #include "../sst-mfld-platform.h"
 #include "../../common/sst-dsp.h"
-#include "../../common/sst-acpi.h"
 #include "sst.h"
 
 /* LPE viewpoint addresses */
@@ -284,7 +284,7 @@ static int sst_acpi_probe(struct platform_device *pdev)
 	int ret = 0;
 	struct intel_sst_drv *ctx;
 	const struct acpi_device_id *id;
-	struct sst_acpi_mach *mach;
+	struct snd_soc_acpi_mach *mach;
 	struct platform_device *mdev;
 	struct platform_device *plat_dev;
 	struct sst_platform_info *pdata;
@@ -296,8 +296,8 @@ static int sst_acpi_probe(struct platform_device *pdev)
 		return -ENODEV;
 	dev_dbg(dev, "for %s\n", id->id);
 
-	mach = (struct sst_acpi_mach *)id->driver_data;
-	mach = sst_acpi_find_machine(mach);
+	mach = (struct snd_soc_acpi_mach *)id->driver_data;
+	mach = snd_soc_acpi_find_machine(mach);
 	if (mach == NULL) {
 		dev_err(dev, "No matching machine driver found\n");
 		return -ENODEV;
@@ -435,7 +435,7 @@ static const struct dmi_system_id cht_table[] = {
 };
 
 
-static struct sst_acpi_mach cht_surface_mach = {
+static struct snd_soc_acpi_mach cht_surface_mach = {
 	.id = "10EC5640",
 	.drv_name = "cht-bsw-rt5645",
 	.fw_filename = "intel/fw_sst_22a8.bin",
@@ -443,7 +443,7 @@ static struct sst_acpi_mach cht_surface_mach = {
 	.pdata = &chv_platform_data,
 };
 
-static struct sst_acpi_mach byt_thinkpad_10 = {
+static struct snd_soc_acpi_mach byt_thinkpad_10 = {
 	.id = "10EC5640",
 	.drv_name = "cht-bsw-rt5672",
 	.fw_filename = "intel/fw_sst_0f28.bin",
@@ -451,9 +451,9 @@ static struct sst_acpi_mach byt_thinkpad_10 = {
 	.pdata = &byt_rvp_platform_data,
 };
 
-static struct sst_acpi_mach *cht_quirk(void *arg)
+static struct snd_soc_acpi_mach *cht_quirk(void *arg)
 {
-	struct sst_acpi_mach *mach = arg;
+	struct snd_soc_acpi_mach *mach = arg;
 
 	dmi_check_system(cht_table);
 
@@ -463,9 +463,9 @@ static struct sst_acpi_mach *cht_quirk(void *arg)
 		return mach;
 }
 
-static struct sst_acpi_mach *byt_quirk(void *arg)
+static struct snd_soc_acpi_mach *byt_quirk(void *arg)
 {
-	struct sst_acpi_mach *mach = arg;
+	struct snd_soc_acpi_mach *mach = arg;
 
 	dmi_check_system(byt_table);
 
@@ -476,7 +476,7 @@ static struct sst_acpi_mach *byt_quirk(void *arg)
 }
 
 
-static struct sst_acpi_mach sst_acpi_bytcr[] = {
+static struct snd_soc_acpi_mach sst_acpi_bytcr[] = {
 	{
 		.id = "10EC5640",
 		.drv_name = "bytcr_rt5640",
@@ -560,7 +560,7 @@ static struct sst_acpi_mach sst_acpi_bytcr[] = {
 };
 
 /* Cherryview-based platforms: CherryTrail and Braswell */
-static struct sst_acpi_mach sst_acpi_chv[] = {
+static struct snd_soc_acpi_mach sst_acpi_chv[] = {
 	{
 		.id = "10EC5670",
 		.drv_name = "cht-bsw-rt5672",

sound/soc/intel/boards/bytcht_da7213.c

@@ -27,9 +27,9 @@
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
+#include <sound/soc-acpi.h>
 #include "../../codecs/da7213.h"
 #include "../atom/sst-atom-controls.h"
-#include "../common/sst-acpi.h"
 
 static const struct snd_kcontrol_new controls[] = {
 	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
@@ -224,7 +224,7 @@ static char codec_name[16]; /* i2c-<HID>:00 with HID being 8 chars */
 static int bytcht_da7213_probe(struct platform_device *pdev)
 {
 	struct snd_soc_card *card;
-	struct sst_acpi_mach *mach;
+	struct snd_soc_acpi_mach *mach;
 	const char *i2c_name = NULL;
 	int dai_index = 0;
 	int ret_val = 0;
@@ -243,7 +243,7 @@ static int bytcht_da7213_probe(struct platform_device *pdev)
 	}
 
 	/* fixup codec name based on HID */
-	i2c_name = sst_acpi_find_name_from_hid(mach->id);
+	i2c_name = snd_soc_acpi_find_name_from_hid(mach->id);
 	if (i2c_name) {
 		snprintf(codec_name, sizeof(codec_name),
 			"%s%s", "i2c-", i2c_name);

sound/soc/intel/boards/bytcht_es8316.c

@@ -29,8 +29,8 @@
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
+#include <sound/soc-acpi.h>
 #include "../atom/sst-atom-controls.h"
-#include "../common/sst-acpi.h"
 #include "../common/sst-dsp.h"
 
 struct byt_cht_es8316_private {

sound/soc/intel/boards/bytcr_rt5640.c

@@ -32,9 +32,9 @@
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
 #include <sound/jack.h>
+#include <sound/soc-acpi.h>
 #include "../../codecs/rt5640.h"
 #include "../atom/sst-atom-controls.h"
-#include "../common/sst-acpi.h"
 #include "../common/sst-dsp.h"
 
 enum {
@@ -737,7 +737,7 @@ struct acpi_chan_package {   /* ACPICA seems to require 64 bit integers */
 static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
 {
 	struct byt_rt5640_private *priv;
-	struct sst_acpi_mach *mach;
+	struct snd_soc_acpi_mach *mach;
 	const char *i2c_name = NULL;
 	int ret_val = 0;
 	int dai_index = 0;
@@ -762,7 +762,7 @@ static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
 	}
 
 	/* fixup codec name based on HID */
-	i2c_name = sst_acpi_find_name_from_hid(mach->id);
+	i2c_name = snd_soc_acpi_find_name_from_hid(mach->id);
 	if (i2c_name) {
 		snprintf(byt_rt5640_codec_name, sizeof(byt_rt5640_codec_name),
 			"%s%s", "i2c-", i2c_name);
@@ -796,7 +796,7 @@ static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
 		/* format specified: 2 64-bit integers */
 		struct acpi_buffer format = {sizeof("NN"), "NN"};
 		struct acpi_buffer state = {0, NULL};
-		struct sst_acpi_package_context pkg_ctx;
+		struct snd_soc_acpi_package_context pkg_ctx;
 		bool pkg_found = false;
 
 		state.length = sizeof(chan_package);
@@ -808,7 +808,8 @@ static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
 		pkg_ctx.state = &state;
 		pkg_ctx.data_valid = false;
 
-		pkg_found = sst_acpi_find_package_from_hid(mach->id, &pkg_ctx);
+		pkg_found = snd_soc_acpi_find_package_from_hid(mach->id,
+							       &pkg_ctx);
 		if (pkg_found) {
 			if (chan_package.aif_value == 1) {
 				dev_info(&pdev->dev, "BIOS Routing: AIF1 connected\n");

sound/soc/intel/boards/bytcr_rt5651.c

@@ -30,9 +30,9 @@
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
 #include <sound/jack.h>
+#include <sound/soc-acpi.h>
 #include "../../codecs/rt5651.h"
 #include "../atom/sst-atom-controls.h"
-#include "../common/sst-acpi.h"
 
 enum {
 	BYT_RT5651_DMIC_MAP,
@@ -443,7 +443,7 @@ static char byt_rt5651_codec_name[16]; /* i2c-<HID>:00 with HID being 8 chars */
 static int snd_byt_rt5651_mc_probe(struct platform_device *pdev)
 {
 	struct byt_rt5651_private *priv;
-	struct sst_acpi_mach *mach;
+	struct snd_soc_acpi_mach *mach;
 	const char *i2c_name = NULL;
 	int ret_val = 0;
 	int dai_index = 0;
@@ -468,7 +468,7 @@ static int snd_byt_rt5651_mc_probe(struct platform_device *pdev)
 	}
 
 	/* fixup codec name based on HID */
-	i2c_name = sst_acpi_find_name_from_hid(mach->id);
+	i2c_name = snd_soc_acpi_find_name_from_hid(mach->id);
 	if (i2c_name) {
 		snprintf(byt_rt5651_codec_name, sizeof(byt_rt5651_codec_name),
 			"%s%s", "i2c-", i2c_name);

sound/soc/intel/boards/cht_bsw_rt5645.c

@@ -32,9 +32,9 @@
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
 #include <sound/jack.h>
+#include <sound/soc-acpi.h>
 #include "../../codecs/rt5645.h"
 #include "../atom/sst-atom-controls.h"
-#include "../common/sst-acpi.h"
 
 #define CHT_PLAT_CLK_3_HZ	19200000
 #define CHT_CODEC_DAI1	"rt5645-aif1"
@@ -523,7 +523,7 @@ struct acpi_chan_package {   /* ACPICA seems to require 64 bit integers */
 static int snd_cht_mc_probe(struct platform_device *pdev)
 {
 	struct snd_soc_card *card = snd_soc_cards[0].soc_card;
-	struct sst_acpi_mach *mach;
+	struct snd_soc_acpi_mach *mach;
 	struct cht_mc_private *drv;
 	const char *i2c_name = NULL;
 	bool found = false;
@@ -566,7 +566,7 @@ static int snd_cht_mc_probe(struct platform_device *pdev)
 		}
 
 	/* fixup codec name based on HID */
-	i2c_name = sst_acpi_find_name_from_hid(mach->id);
+	i2c_name = snd_soc_acpi_find_name_from_hid(mach->id);
 	if (i2c_name) {
 		snprintf(cht_rt5645_codec_name, sizeof(cht_rt5645_codec_name),
 			"%s%s", "i2c-", i2c_name);
@@ -599,7 +599,7 @@ static int snd_cht_mc_probe(struct platform_device *pdev)
 		/* format specified: 2 64-bit integers */
 		struct acpi_buffer format = {sizeof("NN"), "NN"};
 		struct acpi_buffer state = {0, NULL};
-		struct sst_acpi_package_context pkg_ctx;
+		struct snd_soc_acpi_package_context pkg_ctx;
 		bool pkg_found = false;
 
 		state.length = sizeof(chan_package);
@@ -611,7 +611,8 @@ static int snd_cht_mc_probe(struct platform_device *pdev)
 		pkg_ctx.state = &state;
 		pkg_ctx.data_valid = false;
 
-		pkg_found = sst_acpi_find_package_from_hid(mach->id, &pkg_ctx);
+		pkg_found = snd_soc_acpi_find_package_from_hid(mach->id,
+							       &pkg_ctx);
 		if (pkg_found) {
 			if (chan_package.aif_value == 1) {
 				dev_info(&pdev->dev, "BIOS Routing: AIF1 connected\n");

sound/soc/intel/boards/cht_bsw_rt5672.c

@@ -24,9 +24,10 @@
 #include <sound/pcm_params.h>
 #include <sound/soc.h>
 #include <sound/jack.h>
+#include <sound/soc-acpi.h>
 #include "../../codecs/rt5670.h"
 #include "../atom/sst-atom-controls.h"
-#include "../common/sst-acpi.h"
+
 
 /* The platform clock #3 outputs 19.2Mhz clock to codec as I2S MCLK */
 #define CHT_PLAT_CLK_3_HZ	19200000
@@ -383,7 +384,7 @@ static int snd_cht_mc_probe(struct platform_device *pdev)
 {
 	int ret_val = 0;
 	struct cht_mc_private *drv;
-	struct sst_acpi_mach *mach = pdev->dev.platform_data;
+	struct snd_soc_acpi_mach *mach = pdev->dev.platform_data;
 	const char *i2c_name;
 	int i;
 
@@ -395,7 +396,7 @@ static int snd_cht_mc_probe(struct platform_device *pdev)
 
 	/* fixup codec name based on HID */
 	if (mach) {
-		i2c_name = sst_acpi_find_name_from_hid(mach->id);
+		i2c_name = snd_soc_acpi_find_name_from_hid(mach->id);
 		if (i2c_name) {
 			snprintf(drv->codec_name, sizeof(drv->codec_name),
 				 "i2c-%s", i2c_name);

sound/soc/intel/common/Makefile

@@ -1,10 +1,8 @@
 snd-soc-sst-dsp-objs := sst-dsp.o
 snd-soc-sst-acpi-objs := sst-acpi.o
-snd-soc-sst-match-objs := sst-match-acpi.o
 snd-soc-sst-ipc-objs := sst-ipc.o
 snd-soc-sst-firmware-objs := sst-firmware.o
 
 obj-$(CONFIG_SND_SOC_INTEL_SST) += snd-soc-sst-dsp.o snd-soc-sst-ipc.o
 obj-$(CONFIG_SND_SOC_INTEL_SST_ACPI) += snd-soc-sst-acpi.o
-obj-$(CONFIG_SND_SOC_INTEL_SST_MATCH) += snd-soc-sst-match.o
 obj-$(CONFIG_SND_SOC_INTEL_SST_FIRMWARE) += snd-soc-sst-firmware.o

sound/soc/intel/common/sst-acpi.c

@@ -21,7 +21,7 @@
 #include <linux/platform_device.h>
 
 #include "sst-dsp.h"
-#include "sst-acpi.h"
+#include <sound/soc-acpi.h>
 
 #define SST_LPT_DSP_DMA_ADDR_OFFSET	0x0F0000
 #define SST_WPT_DSP_DMA_ADDR_OFFSET	0x0FE000
@@ -30,7 +30,7 @@
 /* Descriptor for setting up SST platform data */
 struct sst_acpi_desc {
 	const char *drv_name;
-	struct sst_acpi_mach *machines;
+	struct snd_soc_acpi_mach *machines;
 	/* Platform resource indexes. Must set to -1 if not used */
 	int resindex_lpe_base;
 	int resindex_pcicfg_base;
@@ -49,7 +49,7 @@ struct sst_acpi_priv {
 	struct platform_device *pdev_pcm;
 	struct sst_pdata sst_pdata;
 	struct sst_acpi_desc *desc;
-	struct sst_acpi_mach *mach;
+	struct snd_soc_acpi_mach *mach;
 };
 
 static void sst_acpi_fw_cb(const struct firmware *fw, void *context)
@@ -59,7 +59,7 @@ static void sst_acpi_fw_cb(const struct firmware *fw, void *context)
 	struct sst_acpi_priv *sst_acpi = platform_get_drvdata(pdev);
 	struct sst_pdata *sst_pdata = &sst_acpi->sst_pdata;
 	struct sst_acpi_desc *desc = sst_acpi->desc;
-	struct sst_acpi_mach *mach = sst_acpi->mach;
+	struct snd_soc_acpi_mach *mach = sst_acpi->mach;
 
 	sst_pdata->fw = fw;
 	if (!fw) {
@@ -85,7 +85,7 @@ static int sst_acpi_probe(struct platform_device *pdev)
 	struct device *dev = &pdev->dev;
 	struct sst_acpi_priv *sst_acpi;
 	struct sst_pdata *sst_pdata;
-	struct sst_acpi_mach *mach;
+	struct snd_soc_acpi_mach *mach;
 	struct sst_acpi_desc *desc;
 	struct resource *mmio;
 	int ret = 0;
@@ -99,7 +99,7 @@ static int sst_acpi_probe(struct platform_device *pdev)
 		return -ENODEV;
 
 	desc = (struct sst_acpi_desc *)id->driver_data;
-	mach = sst_acpi_find_machine(desc->machines);
+	mach = snd_soc_acpi_find_machine(desc->machines);
 	if (mach == NULL) {
 		dev_err(dev, "No matching ASoC machine driver found\n");
 		return -ENODEV;
@@ -179,7 +179,7 @@ static int sst_acpi_remove(struct platform_device *pdev)
 	return 0;
 }
 
-static struct sst_acpi_mach haswell_machines[] = {
+static struct snd_soc_acpi_mach haswell_machines[] = {
 	{ "INT33CA", "haswell-audio", "intel/IntcSST1.bin", NULL, NULL, NULL },
 	{}
 };
@@ -197,7 +197,7 @@ static struct sst_acpi_desc sst_acpi_haswell_desc = {
 	.dma_size = SST_LPT_DSP_DMA_SIZE,
 };
 
-static struct sst_acpi_mach broadwell_machines[] = {
+static struct snd_soc_acpi_mach broadwell_machines[] = {
 	{ "INT343A", "broadwell-audio", "intel/IntcSST2.bin", NULL, NULL, NULL },
 	{ "RT5677CE", "bdw-rt5677", "intel/IntcSST2.bin", NULL, NULL, NULL },
 	{}
@@ -217,7 +217,7 @@ static struct sst_acpi_desc sst_acpi_broadwell_desc = {
 };
 
 #if !IS_ENABLED(CONFIG_SND_SST_IPC_ACPI)
-static struct sst_acpi_mach baytrail_machines[] = {
+static struct snd_soc_acpi_mach baytrail_machines[] = {
 	{ "10EC5640", "byt-rt5640", "intel/fw_sst_0f28.bin-48kHz_i2s_master", NULL, NULL, NULL },
 	{ "193C9890", "byt-max98090", "intel/fw_sst_0f28.bin-48kHz_i2s_master", NULL, NULL, NULL },
 	{}

sound/soc/intel/common/sst-acpi.h

@@ -1,82 +0,0 @@
-/*
- * 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.
- *
- */
-
-#include <linux/stddef.h>
-#include <linux/acpi.h>
-
-struct sst_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 *sst_acpi_find_name_from_hid(const u8 hid[ACPI_ID_LEN]);
-bool sst_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN],
-				    struct sst_acpi_package_context *ctx);
-#else
-static inline const char *sst_acpi_find_name_from_hid(const u8 hid[ACPI_ID_LEN])
-{
-	return NULL;
-}
-static inline bool sst_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN],
-					   struct sst_acpi_package_context *ctx)
-{
-	return false;
-}
-#endif
-
-/* acpi match */
-struct sst_acpi_mach *sst_acpi_find_machine(struct sst_acpi_mach *machines);
-
-/* acpi check hid */
-bool sst_acpi_check_hid(const u8 hid[ACPI_ID_LEN]);
-
-/* Descriptor for SST ASoC machine driver */
-struct sst_acpi_mach {
-	/* ACPI ID for the matching machine driver. Audio codec for instance */
-	const u8 id[ACPI_ID_LEN];
-	/* machine driver name */
-	const char *drv_name;
-	/* firmware file name */
-	const char *fw_filename;
-
-	/* board name */
-	const char *board;
-	struct sst_acpi_mach * (*machine_quirk)(void *arg);
-	const void *quirk_data;
-	void *pdata;
-};
-
-#define SST_ACPI_MAX_CODECS 3
-
-/**
- * struct sst_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 sst_codecs {
-	int num_codecs;
-	u8 codecs[SST_ACPI_MAX_CODECS][ACPI_ID_LEN];
-};
-
-/* check all codecs */
-struct sst_acpi_mach *sst_acpi_codec_list(void *arg);

sound/soc/intel/skylake/skl.c

@@ -28,7 +28,7 @@
 #include <linux/firmware.h>
 #include <linux/delay.h>
 #include <sound/pcm.h>
-#include "../common/sst-acpi.h"
+#include <sound/soc-acpi.h>
 #include <sound/hda_register.h>
 #include <sound/hdaudio.h>
 #include <sound/hda_i915.h>
@@ -439,10 +439,10 @@ static int skl_machine_device_register(struct skl *skl, void *driver_data)
 {
 	struct hdac_bus *bus = ebus_to_hbus(&skl->ebus);
 	struct platform_device *pdev;
-	struct sst_acpi_mach *mach = driver_data;
+	struct snd_soc_acpi_mach *mach = driver_data;
 	int ret;
 
-	mach = sst_acpi_find_machine(mach);
+	mach = snd_soc_acpi_find_machine(mach);
 	if (mach == NULL) {
 		dev_err(bus->dev, "No matching machine driver found\n");
 		return -ENODEV;
@@ -878,27 +878,27 @@ static void skl_remove(struct pci_dev *pci)
 	dev_set_drvdata(&pci->dev, NULL);
 }
 
-static struct sst_codecs skl_codecs = {
+static struct snd_soc_acpi_codecs skl_codecs = {
 	.num_codecs = 1,
 	.codecs = {"10508825"}
 };
 
-static struct sst_codecs kbl_codecs = {
+static struct snd_soc_acpi_codecs kbl_codecs = {
 	.num_codecs = 1,
 	.codecs = {"10508825"}
 };
 
-static struct sst_codecs bxt_codecs = {
+static struct snd_soc_acpi_codecs bxt_codecs = {
 	.num_codecs = 1,
 	.codecs = {"MX98357A"}
 };
 
-static struct sst_codecs kbl_poppy_codecs = {
+static struct snd_soc_acpi_codecs kbl_poppy_codecs = {
 	.num_codecs = 1,
 	.codecs = {"10EC5663"}
 };
 
-static struct sst_codecs kbl_5663_5514_codecs = {
+static struct snd_soc_acpi_codecs kbl_5663_5514_codecs = {
 	.num_codecs = 2,
 	.codecs = {"10EC5663", "10EC5514"}
 };
@@ -907,7 +907,7 @@ static struct skl_machine_pdata cnl_pdata = {
 	.use_tplg_pcm = true,
 };
 
-static struct sst_acpi_mach sst_skl_devdata[] = {
+static struct snd_soc_acpi_mach sst_skl_devdata[] = {
 	{
 		.id = "INT343A",
 		.drv_name = "skl_alc286s_i2s",
@@ -917,7 +917,7 @@ static struct sst_acpi_mach sst_skl_devdata[] = {
 		.id = "INT343B",
 		.drv_name = "skl_n88l25_s4567",
 		.fw_filename = "intel/dsp_fw_release.bin",
-		.machine_quirk = sst_acpi_codec_list,
+		.machine_quirk = snd_soc_acpi_codec_list,
 		.quirk_data = &skl_codecs,
 		.pdata = &skl_dmic_data
 	},
@@ -925,14 +925,14 @@ static struct sst_acpi_mach sst_skl_devdata[] = {
 		.id = "MX98357A",
 		.drv_name = "skl_n88l25_m98357a",
 		.fw_filename = "intel/dsp_fw_release.bin",
-		.machine_quirk = sst_acpi_codec_list,
+		.machine_quirk = snd_soc_acpi_codec_list,
 		.quirk_data = &skl_codecs,
 		.pdata = &skl_dmic_data
 	},
 	{}
 };
 
-static struct sst_acpi_mach sst_bxtp_devdata[] = {
+static struct snd_soc_acpi_mach sst_bxtp_devdata[] = {
 	{
 		.id = "INT343A",
 		.drv_name = "bxt_alc298s_i2s",
@@ -942,13 +942,13 @@ static struct sst_acpi_mach sst_bxtp_devdata[] = {
 		.id = "DLGS7219",
 		.drv_name = "bxt_da7219_max98357a_i2s",
 		.fw_filename = "intel/dsp_fw_bxtn.bin",
-		.machine_quirk = sst_acpi_codec_list,
+		.machine_quirk = snd_soc_acpi_codec_list,
 		.quirk_data = &bxt_codecs,
 	},
 	{}
 };
 
-static struct sst_acpi_mach sst_kbl_devdata[] = {
+static struct snd_soc_acpi_mach sst_kbl_devdata[] = {
 	{
 		.id = "INT343A",
 		.drv_name = "kbl_alc286s_i2s",
@@ -958,7 +958,7 @@ static struct sst_acpi_mach sst_kbl_devdata[] = {
 		.id = "INT343B",
 		.drv_name = "kbl_n88l25_s4567",
 		.fw_filename = "intel/dsp_fw_kbl.bin",
-		.machine_quirk = sst_acpi_codec_list,
+		.machine_quirk = snd_soc_acpi_codec_list,
 		.quirk_data = &kbl_codecs,
 		.pdata = &skl_dmic_data
 	},
@@ -966,7 +966,7 @@ static struct sst_acpi_mach sst_kbl_devdata[] = {
 		.id = "MX98357A",
 		.drv_name = "kbl_n88l25_m98357a",
 		.fw_filename = "intel/dsp_fw_kbl.bin",
-		.machine_quirk = sst_acpi_codec_list,
+		.machine_quirk = snd_soc_acpi_codec_list,
 		.quirk_data = &kbl_codecs,
 		.pdata = &skl_dmic_data
 	},
@@ -974,7 +974,7 @@ static struct sst_acpi_mach sst_kbl_devdata[] = {
 		.id = "MX98927",
 		.drv_name = "kbl_r5514_5663_max",
 		.fw_filename = "intel/dsp_fw_kbl.bin",
-		.machine_quirk = sst_acpi_codec_list,
+		.machine_quirk = snd_soc_acpi_codec_list,
 		.quirk_data = &kbl_5663_5514_codecs,
 		.pdata = &skl_dmic_data
 	},
@@ -982,7 +982,7 @@ static struct sst_acpi_mach sst_kbl_devdata[] = {
 		.id = "MX98927",
 		.drv_name = "kbl_rt5663_m98927",
 		.fw_filename = "intel/dsp_fw_kbl.bin",
-		.machine_quirk = sst_acpi_codec_list,
+		.machine_quirk = snd_soc_acpi_codec_list,
 		.quirk_data = &kbl_poppy_codecs,
 		.pdata = &skl_dmic_data
 	},
@@ -995,7 +995,7 @@ static struct sst_acpi_mach sst_kbl_devdata[] = {
 	{}
 };
 
-static struct sst_acpi_mach sst_glk_devdata[] = {
+static struct snd_soc_acpi_mach sst_glk_devdata[] = {
 	{
 		.id = "INT343A",
 		.drv_name = "glk_alc298s_i2s",
@@ -1004,7 +1004,7 @@ static struct sst_acpi_mach sst_glk_devdata[] = {
 	{}
 };
 
-static const struct sst_acpi_mach sst_cnl_devdata[] = {
+static const struct snd_soc_acpi_mach sst_cnl_devdata[] = {
 	{
 		.id = "INT34C2",
 		.drv_name = "cnl_rt274",

sound/soc/intel/common/sst-match-acpi.c → sound/soc/soc-acpi.c

@@ -1,5 +1,5 @@
 /*
- * sst_match_apci.c - SST (LPE) match for ACPI enumeration.
+ * soc-apci.c - support for ACPI enumeration.
  *
  * Copyright (c) 2013-15, Intel Corporation.
  *
@@ -14,9 +14,9 @@
  * more details.
  */
 
-#include "sst-acpi.h"
+#include <sound/soc-acpi.h>
 
-static acpi_status sst_acpi_find_name(acpi_handle handle, u32 level,
+static acpi_status snd_soc_acpi_find_name(acpi_handle handle, u32 level,
 				      void *context, void **ret)
 {
 	struct acpi_device *adev;
@@ -34,12 +34,12 @@ static acpi_status sst_acpi_find_name(acpi_handle handle, u32 level,
 	return AE_OK;
 }
 
-const char *sst_acpi_find_name_from_hid(const u8 hid[ACPI_ID_LEN])
+const char *snd_soc_acpi_find_name_from_hid(const u8 hid[ACPI_ID_LEN])
 {
 	const char *name = NULL;
 	acpi_status status;
 
-	status = acpi_get_devices(hid, sst_acpi_find_name, NULL,
+	status = acpi_get_devices(hid, snd_soc_acpi_find_name, NULL,
 				  (void **)&name);
 
 	if (ACPI_FAILURE(status) || name[0] == '\0')
@@ -47,9 +47,9 @@ const char *sst_acpi_find_name_from_hid(const u8 hid[ACPI_ID_LEN])
 
 	return name;
 }
-EXPORT_SYMBOL_GPL(sst_acpi_find_name_from_hid);
+EXPORT_SYMBOL_GPL(snd_soc_acpi_find_name_from_hid);
 
-static acpi_status sst_acpi_mach_match(acpi_handle handle, u32 level,
+static acpi_status snd_soc_acpi_mach_match(acpi_handle handle, u32 level,
 				       void *context, void **ret)
 {
 	unsigned long long sta;
@@ -63,26 +63,27 @@ static acpi_status sst_acpi_mach_match(acpi_handle handle, u32 level,
 	return AE_OK;
 }
 
-bool sst_acpi_check_hid(const u8 hid[ACPI_ID_LEN])
+bool snd_soc_acpi_check_hid(const u8 hid[ACPI_ID_LEN])
 {
 	acpi_status status;
 	bool found = false;
 
-	status = acpi_get_devices(hid, sst_acpi_mach_match, &found, NULL);
+	status = acpi_get_devices(hid, snd_soc_acpi_mach_match, &found, NULL);
 
 	if (ACPI_FAILURE(status))
 		return false;
 
 	return found;
 }
-EXPORT_SYMBOL_GPL(sst_acpi_check_hid);
+EXPORT_SYMBOL_GPL(snd_soc_acpi_check_hid);
 
-struct sst_acpi_mach *sst_acpi_find_machine(struct sst_acpi_mach *machines)
+struct snd_soc_acpi_mach *
+snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines)
 {
-	struct sst_acpi_mach *mach;
+	struct snd_soc_acpi_mach *mach;
 
 	for (mach = machines; mach->id[0]; mach++) {
-		if (sst_acpi_check_hid(mach->id) == true) {
+		if (snd_soc_acpi_check_hid(mach->id) == true) {
 			if (mach->machine_quirk == NULL)
 				return mach;
 
@@ -92,14 +93,14 @@ struct sst_acpi_mach *sst_acpi_find_machine(struct sst_acpi_mach *machines)
 	}
 	return NULL;
 }
-EXPORT_SYMBOL_GPL(sst_acpi_find_machine);
+EXPORT_SYMBOL_GPL(snd_soc_acpi_find_machine);
 
-static acpi_status sst_acpi_find_package(acpi_handle handle, u32 level,
-					void *context, void **ret)
+static acpi_status snd_soc_acpi_find_package(acpi_handle handle, u32 level,
+					     void *context, void **ret)
 {
 	struct acpi_device *adev;
 	acpi_status status = AE_OK;
-	struct sst_acpi_package_context *pkg_ctx = context;
+	struct snd_soc_acpi_package_context *pkg_ctx = context;
 
 	pkg_ctx->data_valid = false;
 
@@ -137,37 +138,38 @@ static acpi_status sst_acpi_find_package(acpi_handle handle, u32 level,
 	return AE_OK;
 }
 
-bool sst_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN],
-				struct sst_acpi_package_context *ctx)
+bool snd_soc_acpi_find_package_from_hid(const u8 hid[ACPI_ID_LEN],
+				struct snd_soc_acpi_package_context *ctx)
 {
 	acpi_status status;
 
-	status = acpi_get_devices(hid, sst_acpi_find_package, ctx, NULL);
+	status = acpi_get_devices(hid, snd_soc_acpi_find_package, ctx, NULL);
 
 	if (ACPI_FAILURE(status) || !ctx->data_valid)
 		return false;
 
 	return true;
 }
-EXPORT_SYMBOL_GPL(sst_acpi_find_package_from_hid);
+EXPORT_SYMBOL_GPL(snd_soc_acpi_find_package_from_hid);
 
-struct sst_acpi_mach *sst_acpi_codec_list(void *arg)
+struct snd_soc_acpi_mach *snd_soc_acpi_codec_list(void *arg)
 {
-	struct sst_acpi_mach *mach = arg;
-	struct sst_codecs *codec_list = (struct sst_codecs *) mach->quirk_data;
+	struct snd_soc_acpi_mach *mach = arg;
+	struct snd_soc_acpi_codecs *codec_list =
+		(struct snd_soc_acpi_codecs *) mach->quirk_data;
 	int i;
 
 	if (mach->quirk_data == NULL)
 		return mach;
 
 	for (i = 0; i < codec_list->num_codecs; i++) {
-		if (sst_acpi_check_hid(codec_list->codecs[i]) != true)
+		if (snd_soc_acpi_check_hid(codec_list->codecs[i]) != true)
 			return NULL;
 	}
 
 	return mach;
 }
-EXPORT_SYMBOL_GPL(sst_acpi_codec_list);
+EXPORT_SYMBOL_GPL(snd_soc_acpi_codec_list);
 
 MODULE_LICENSE("GPL v2");
-MODULE_DESCRIPTION("Intel Common ACPI Match module");
+MODULE_DESCRIPTION("ALSA SoC ACPI module");