1 files changed, 0 insertions, 325 deletions
diff --git a/sound/pci/hda/hda_acpi.c b/sound/pci/hda/hda_acpi.c
deleted file mode 100644
index 505cc97e0ee9..000000000000
--- a/sound/pci/hda/hda_acpi.c
+++ /dev/null
@@ -1,325 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * ALSA driver for ACPI-based HDA Controllers.
- */
-
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/acpi.h>
-
-#include <sound/hda_codec.h>
-
-#include "hda_controller.h"
-
-struct hda_acpi {
-	struct azx azx;
-	struct snd_card *card;
-	struct platform_device *pdev;
-	void __iomem *regs;
-	struct work_struct probe_work;
-	const struct hda_data *data;
-};
-
-/**
- * struct hda_data - Optional device-specific data
- * @short_name: Used for the ALSA card name; defaults to KBUILD_MODNAME
- * @long_name:  Used for longer description; defaults to short_name
- * @flags:      Passed to &azx->driver_caps
- *
- * A pointer to a record of this type may be stored in the
- * &acpi_device_id->driver_data field of an ACPI match table entry in order to
- * customize the naming and behavior of a particular device. All fields are
- * optional and sensible defaults will be selected in their absence.
- */
-struct hda_data {
-	const char *short_name;
-	const char *long_name;
-	unsigned long flags;
-};
-
-static int hda_acpi_dev_disconnect(struct snd_device *device)
-{
-	struct azx *chip = device->device_data;
-
-	chip->bus.shutdown = 1;
-	return 0;
-}
-
-static int hda_acpi_dev_free(struct snd_device *device)
-{
-	struct azx *azx = device->device_data;
-	struct hda_acpi *hda = container_of(azx, struct hda_acpi, azx);
-
-	cancel_work_sync(&hda->probe_work);
-	if (azx_bus(azx)->chip_init) {
-		azx_stop_all_streams(azx);
-		azx_stop_chip(azx);
-	}
-
-	azx_free_stream_pages(azx);
-	azx_free_streams(azx);
-	snd_hdac_bus_exit(azx_bus(azx));
-
-	return 0;
-}
-
-static int hda_acpi_init(struct hda_acpi *hda)
-{
-	struct hdac_bus *bus = azx_bus(&hda->azx);
-	struct snd_card *card = hda->azx.card;
-	struct device *dev = &hda->pdev->dev;
-	struct azx *azx = &hda->azx;
-	struct resource *res;
-	unsigned short gcap;
-	const char *sname, *lname;
-	int err, irq;
-
-	/* The base address for the HDA registers and the interrupt are wrapped
-	 * in an ACPI _CRS object which can be parsed by platform_get_irq() and
-	 * devm_platform_get_and_ioremap_resource()
-	 */
-
-	irq = platform_get_irq(hda->pdev, 0);
-	if (irq < 0)
-		return irq;
-
-	hda->regs = devm_platform_get_and_ioremap_resource(hda->pdev, 0, &res);
-	if (IS_ERR(hda->regs))
-		return PTR_ERR(hda->regs);
-
-	bus->remap_addr = hda->regs;
-	bus->addr = res->start;
-
-	err = devm_request_irq(dev, irq, azx_interrupt,
-			       IRQF_SHARED, KBUILD_MODNAME, azx);
-	if (err) {
-		dev_err(dev, "unable to request IRQ %d, disabling device\n",
-			irq);
-		return err;
-	}
-	bus->irq = irq;
-	bus->dma_stop_delay = 100;
-	card->sync_irq = bus->irq;
-
-	gcap = azx_readw(azx, GCAP);
-	dev_dbg(dev, "chipset global capabilities = 0x%x\n", gcap);
-
-	azx->align_buffer_size = 1;
-
-	azx->capture_streams = (gcap >> 8) & 0x0f;
-	azx->playback_streams = (gcap >> 12) & 0x0f;
-
-	azx->capture_index_offset = 0;
-	azx->playback_index_offset = azx->capture_streams;
-	azx->num_streams = azx->playback_streams + azx->capture_streams;
-
-	err = azx_init_streams(azx);
-	if (err < 0) {
-		dev_err(dev, "failed to initialize streams: %d\n", err);
-		return err;
-	}
-
-	err = azx_alloc_stream_pages(azx);
-	if (err < 0) {
-		dev_err(dev, "failed to allocate stream pages: %d\n", err);
-		return err;
-	}
-
-	azx_init_chip(azx, 1);
-
-	if (!bus->codec_mask) {
-		dev_err(dev, "no codecs found!\n");
-		return -ENODEV;
-	}
-
-	strscpy(card->driver, "hda-acpi");
-
-	sname = hda->data->short_name ? hda->data->short_name : KBUILD_MODNAME;
-
-	if (strlen(sname) > sizeof(card->shortname))
-		dev_info(dev, "truncating shortname for card %s\n", sname);
-	strscpy(card->shortname, sname);
-
-	lname = hda->data->long_name ? hda->data->long_name : sname;
-
-	snprintf(card->longname, sizeof(card->longname),
-		 "%s at 0x%lx irq %i", lname, bus->addr, bus->irq);
-
-	return 0;
-}
-
-static void hda_acpi_probe_work(struct work_struct *work)
-{
-	struct hda_acpi *hda = container_of(work, struct hda_acpi, probe_work);
-	struct azx *chip = &hda->azx;
-	int err;
-
-	err = hda_acpi_init(hda);
-	if (err < 0)
-		return;
-
-	err = azx_probe_codecs(chip, 8);
-	if (err < 0)
-		return;
-
-	err = azx_codec_configure(chip);
-	if (err < 0)
-		return;
-
-	err = snd_card_register(chip->card);
-	if (err < 0)
-		return;
-
-	chip->running = 1;
-}
-
-static int hda_acpi_create(struct hda_acpi *hda)
-{
-	static const struct snd_device_ops ops = {
-		.dev_disconnect = hda_acpi_dev_disconnect,
-		.dev_free = hda_acpi_dev_free,
-	};
-	static const struct hda_controller_ops null_ops;
-	struct azx *azx = &hda->azx;
-	int err;
-
-	mutex_init(&azx->open_mutex);
-	azx->card = hda->card;
-	INIT_LIST_HEAD(&azx->pcm_list);
-
-	azx->ops = &null_ops;
-	azx->driver_caps = hda->data->flags;
-	azx->driver_type = hda->data->flags & 0xff;
-	azx->codec_probe_mask = -1;
-
-	err = azx_bus_init(azx, NULL);
-	if (err < 0)
-		return err;
-
-	err = snd_device_new(hda->card, SNDRV_DEV_LOWLEVEL, &hda->azx, &ops);
-	if (err < 0) {
-		dev_err(&hda->pdev->dev, "Error creating device\n");
-		return err;
-	}
-
-	return 0;
-}
-
-static int hda_acpi_probe(struct platform_device *pdev)
-{
-	struct hda_acpi *hda;
-	int err;
-
-	hda = devm_kzalloc(&pdev->dev, sizeof(*hda), GFP_KERNEL);
-	if (!hda)
-		return -ENOMEM;
-
-	hda->pdev = pdev;
-	hda->data = acpi_device_get_match_data(&pdev->dev);
-
-	/* Fall back to defaults if the table didn't have a *struct hda_data */
-	if (!hda->data)
-		hda->data = devm_kzalloc(&pdev->dev, sizeof(*hda->data),
-					 GFP_KERNEL);
-	if (!hda->data)
-		return -ENOMEM;
-
-	err = snd_card_new(&pdev->dev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1,
-			   THIS_MODULE, 0, &hda->card);
-	if (err < 0) {
-		dev_err(&pdev->dev, "Error creating card!\n");
-		return err;
-	}
-
-	INIT_WORK(&hda->probe_work, hda_acpi_probe_work);
-
-	err = hda_acpi_create(hda);
-	if (err < 0)
-		goto out_free;
-	hda->card->private_data = &hda->azx;
-
-	dev_set_drvdata(&pdev->dev, hda->card);
-
-	schedule_work(&hda->probe_work);
-
-	return 0;
-
-out_free:
-	snd_card_free(hda->card);
-	return err;
-}
-
-static void hda_acpi_remove(struct platform_device *pdev)
-{
-	snd_card_free(dev_get_drvdata(&pdev->dev));
-}
-
-static void hda_acpi_shutdown(struct platform_device *pdev)
-{
-	struct snd_card *card = dev_get_drvdata(&pdev->dev);
-	struct azx *chip;
-
-	if (!card)
-		return;
-	chip = card->private_data;
-	if (chip && chip->running)
-		azx_stop_chip(chip);
-}
-
-static int hda_acpi_suspend(struct device *dev)
-{
-	struct snd_card *card = dev_get_drvdata(dev);
-	int rc;
-
-	rc = pm_runtime_force_suspend(dev);
-	if (rc < 0)
-		return rc;
-	snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
-
-	return 0;
-}
-
-static int hda_acpi_resume(struct device *dev)
-{
-	struct snd_card *card = dev_get_drvdata(dev);
-	int rc;
-
-	rc = pm_runtime_force_resume(dev);
-	if (rc < 0)
-		return rc;
-	snd_power_change_state(card, SNDRV_CTL_POWER_D0);
-
-	return 0;
-}
-
-static const struct dev_pm_ops hda_acpi_pm = {
-	SYSTEM_SLEEP_PM_OPS(hda_acpi_suspend, hda_acpi_resume)
-};
-
-static const struct hda_data nvidia_hda_data = {
-	.short_name = "NVIDIA",
-	.long_name = "NVIDIA HDA Controller",
-	.flags = AZX_DCAPS_CORBRP_SELF_CLEAR,
-};
-
-static const struct acpi_device_id hda_acpi_match[] = {
-	{ .id = "NVDA2014", .driver_data = (uintptr_t) &nvidia_hda_data },
-	{ .id = "NVDA2015", .driver_data = (uintptr_t) &nvidia_hda_data },
-	{},
-};
-MODULE_DEVICE_TABLE(acpi, hda_acpi_match);
-
-static struct platform_driver hda_acpi_platform_driver = {
-	.driver = {
-		.name = KBUILD_MODNAME,
-		.pm = &hda_acpi_pm,
-		.acpi_match_table = hda_acpi_match,
-	},
-	.probe = hda_acpi_probe,
-	.remove = hda_acpi_remove,
-	.shutdown = hda_acpi_shutdown,
-};
-module_platform_driver(hda_acpi_platform_driver);
-
-MODULE_DESCRIPTION("Driver for ACPI-based HDA Controllers");
-MODULE_LICENSE("GPL");