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Diffstat (limited to 'sound/soc/intel/common/sst-acpi.c')
-rw-r--r--sound/soc/intel/common/sst-acpi.c236
1 files changed, 0 insertions, 236 deletions
diff --git a/sound/soc/intel/common/sst-acpi.c b/sound/soc/intel/common/sst-acpi.c
deleted file mode 100644
index 5854868650b9..000000000000
--- a/sound/soc/intel/common/sst-acpi.c
+++ /dev/null
@@ -1,236 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Intel SST loader on ACPI systems
- *
- * Copyright (C) 2013, Intel Corporation. All rights reserved.
- */
-
-#include <linux/acpi.h>
-#include <linux/device.h>
-#include <linux/firmware.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-
-#include "sst-dsp.h"
-#include <sound/soc-acpi.h>
-#include <sound/soc-acpi-intel-match.h>
-
-#define SST_LPT_DSP_DMA_ADDR_OFFSET 0x0F0000
-#define SST_WPT_DSP_DMA_ADDR_OFFSET 0x0FE000
-#define SST_LPT_DSP_DMA_SIZE (1024 - 1)
-
-/* Descriptor for setting up SST platform data */
-struct sst_acpi_desc {
- const char *drv_name;
- struct snd_soc_acpi_mach *machines;
- /* Platform resource indexes. Must set to -1 if not used */
- int resindex_lpe_base;
- int resindex_pcicfg_base;
- int resindex_fw_base;
- int irqindex_host_ipc;
- int resindex_dma_base;
- /* Unique number identifying the SST core on platform */
- int sst_id;
- /* DMA only valid when resindex_dma_base != -1*/
- int dma_engine;
- int dma_size;
-};
-
-struct sst_acpi_priv {
- struct platform_device *pdev_mach;
- struct platform_device *pdev_pcm;
- struct sst_pdata sst_pdata;
- struct sst_acpi_desc *desc;
- struct snd_soc_acpi_mach *mach;
-};
-
-static void sst_acpi_fw_cb(const struct firmware *fw, void *context)
-{
- struct platform_device *pdev = context;
- struct device *dev = &pdev->dev;
- 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 snd_soc_acpi_mach *mach = sst_acpi->mach;
-
- sst_pdata->fw = fw;
- if (!fw) {
- dev_err(dev, "Cannot load firmware %s\n", mach->fw_filename);
- return;
- }
-
- /* register PCM and DAI driver */
- sst_acpi->pdev_pcm =
- platform_device_register_data(dev, desc->drv_name, -1,
- sst_pdata, sizeof(*sst_pdata));
- if (IS_ERR(sst_acpi->pdev_pcm)) {
- dev_err(dev, "Cannot register device %s. Error %d\n",
- desc->drv_name, (int)PTR_ERR(sst_acpi->pdev_pcm));
- }
-
- return;
-}
-
-static int sst_acpi_probe(struct platform_device *pdev)
-{
- const struct acpi_device_id *id;
- struct device *dev = &pdev->dev;
- struct sst_acpi_priv *sst_acpi;
- struct sst_pdata *sst_pdata;
- struct snd_soc_acpi_mach *mach;
- struct sst_acpi_desc *desc;
- struct resource *mmio;
- int ret = 0;
-
- sst_acpi = devm_kzalloc(dev, sizeof(*sst_acpi), GFP_KERNEL);
- if (sst_acpi == NULL)
- return -ENOMEM;
-
- id = acpi_match_device(dev->driver->acpi_match_table, dev);
- if (!id)
- return -ENODEV;
-
- desc = (struct sst_acpi_desc *)id->driver_data;
- mach = snd_soc_acpi_find_machine(desc->machines);
- if (mach == NULL) {
- dev_err(dev, "No matching ASoC machine driver found\n");
- return -ENODEV;
- }
-
- sst_pdata = &sst_acpi->sst_pdata;
- sst_pdata->id = desc->sst_id;
- sst_pdata->dma_dev = dev;
- sst_acpi->desc = desc;
- sst_acpi->mach = mach;
-
- sst_pdata->resindex_dma_base = desc->resindex_dma_base;
- if (desc->resindex_dma_base >= 0) {
- sst_pdata->dma_engine = desc->dma_engine;
- sst_pdata->dma_base = desc->resindex_dma_base;
- sst_pdata->dma_size = desc->dma_size;
- }
-
- if (desc->irqindex_host_ipc >= 0)
- sst_pdata->irq = platform_get_irq(pdev, desc->irqindex_host_ipc);
-
- if (desc->resindex_lpe_base >= 0) {
- mmio = platform_get_resource(pdev, IORESOURCE_MEM,
- desc->resindex_lpe_base);
- if (mmio) {
- sst_pdata->lpe_base = mmio->start;
- sst_pdata->lpe_size = resource_size(mmio);
- }
- }
-
- if (desc->resindex_pcicfg_base >= 0) {
- mmio = platform_get_resource(pdev, IORESOURCE_MEM,
- desc->resindex_pcicfg_base);
- if (mmio) {
- sst_pdata->pcicfg_base = mmio->start;
- sst_pdata->pcicfg_size = resource_size(mmio);
- }
- }
-
- if (desc->resindex_fw_base >= 0) {
- mmio = platform_get_resource(pdev, IORESOURCE_MEM,
- desc->resindex_fw_base);
- if (mmio) {
- sst_pdata->fw_base = mmio->start;
- sst_pdata->fw_size = resource_size(mmio);
- }
- }
-
- platform_set_drvdata(pdev, sst_acpi);
- mach->pdata = sst_pdata;
-
- /* register machine driver */
- sst_acpi->pdev_mach =
- platform_device_register_data(dev, mach->drv_name, -1,
- mach, sizeof(*mach));
- if (IS_ERR(sst_acpi->pdev_mach))
- return PTR_ERR(sst_acpi->pdev_mach);
-
- /* continue SST probing after firmware is loaded */
- ret = request_firmware_nowait(THIS_MODULE, true, mach->fw_filename,
- dev, GFP_KERNEL, pdev, sst_acpi_fw_cb);
- if (ret)
- platform_device_unregister(sst_acpi->pdev_mach);
-
- return ret;
-}
-
-static int sst_acpi_remove(struct platform_device *pdev)
-{
- struct sst_acpi_priv *sst_acpi = platform_get_drvdata(pdev);
- struct sst_pdata *sst_pdata = &sst_acpi->sst_pdata;
-
- platform_device_unregister(sst_acpi->pdev_mach);
- if (!IS_ERR_OR_NULL(sst_acpi->pdev_pcm))
- platform_device_unregister(sst_acpi->pdev_pcm);
- release_firmware(sst_pdata->fw);
-
- return 0;
-}
-
-static struct sst_acpi_desc sst_acpi_haswell_desc = {
- .drv_name = "haswell-pcm-audio",
- .machines = snd_soc_acpi_intel_haswell_machines,
- .resindex_lpe_base = 0,
- .resindex_pcicfg_base = 1,
- .resindex_fw_base = -1,
- .irqindex_host_ipc = 0,
- .sst_id = SST_DEV_ID_LYNX_POINT,
- .dma_engine = SST_DMA_TYPE_DW,
- .resindex_dma_base = SST_LPT_DSP_DMA_ADDR_OFFSET,
- .dma_size = SST_LPT_DSP_DMA_SIZE,
-};
-
-static struct sst_acpi_desc sst_acpi_broadwell_desc = {
- .drv_name = "haswell-pcm-audio",
- .machines = snd_soc_acpi_intel_broadwell_machines,
- .resindex_lpe_base = 0,
- .resindex_pcicfg_base = 1,
- .resindex_fw_base = -1,
- .irqindex_host_ipc = 0,
- .sst_id = SST_DEV_ID_WILDCAT_POINT,
- .dma_engine = SST_DMA_TYPE_DW,
- .resindex_dma_base = SST_WPT_DSP_DMA_ADDR_OFFSET,
- .dma_size = SST_LPT_DSP_DMA_SIZE,
-};
-
-#if !IS_ENABLED(CONFIG_SND_SST_IPC_ACPI)
-static struct sst_acpi_desc sst_acpi_baytrail_desc = {
- .drv_name = "baytrail-pcm-audio",
- .machines = snd_soc_acpi_intel_baytrail_legacy_machines,
- .resindex_lpe_base = 0,
- .resindex_pcicfg_base = 1,
- .resindex_fw_base = 2,
- .irqindex_host_ipc = 5,
- .sst_id = SST_DEV_ID_BYT,
- .resindex_dma_base = -1,
-};
-#endif
-
-static const struct acpi_device_id sst_acpi_match[] = {
- { "INT33C8", (unsigned long)&sst_acpi_haswell_desc },
- { "INT3438", (unsigned long)&sst_acpi_broadwell_desc },
-#if !IS_ENABLED(CONFIG_SND_SST_IPC_ACPI)
- { "80860F28", (unsigned long)&sst_acpi_baytrail_desc },
-#endif
- { }
-};
-MODULE_DEVICE_TABLE(acpi, sst_acpi_match);
-
-static struct platform_driver sst_acpi_driver = {
- .probe = sst_acpi_probe,
- .remove = sst_acpi_remove,
- .driver = {
- .name = "sst-acpi",
- .acpi_match_table = ACPI_PTR(sst_acpi_match),
- },
-};
-module_platform_driver(sst_acpi_driver);
-
-MODULE_AUTHOR("Jarkko Nikula <jarkko.nikula@linux.intel.com>");
-MODULE_DESCRIPTION("Intel SST loader on ACPI systems");
-MODULE_LICENSE("GPL v2");
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-20 16:09:58 +0000