[mirror_ubuntu-artful-kernel.git] / sound / soc / intel / atom / sst / sst_acpi.c

/*
 * sst_acpi.c - SST (LPE) driver init file for ACPI enumeration.
 *
 * Copyright (c) 2013, Intel Corporation.
 *
 *  Authors:	Ramesh Babu K V <Ramesh.Babu@intel.com>
 *  Authors:	Omair Mohammed Abdullah <omair.m.abdullah@intel.com>
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope 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/module.h>
#include <linux/fs.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/io.h>
#include <linux/miscdevice.h>
#include <linux/platform_device.h>
#include <linux/firmware.h>
#include <linux/pm_runtime.h>
#include <linux/pm_qos.h>
#include <linux/dmi.h>
#include <linux/acpi.h>
#include <asm/platform_sst_audio.h>
#include <sound/core.h>
#include <sound/soc.h>
#include <sound/compress_driver.h>
#include <acpi/acbuffer.h>
#include <acpi/platform/acenv.h>
#include <acpi/platform/aclinux.h>
#include <acpi/actypes.h>
#include <acpi/acpi_bus.h>
#include <asm/cpu_device_id.h>
#include <asm/iosf_mbi.h>
#include "../sst-mfld-platform.h"
#include "../../common/sst-dsp.h"
#include "../../common/sst-acpi.h"
#include "sst.h"

/* LPE viewpoint addresses */
#define SST_BYT_IRAM_PHY_START	0xff2c0000
#define SST_BYT_IRAM_PHY_END	0xff2d4000
#define SST_BYT_DRAM_PHY_START	0xff300000
#define SST_BYT_DRAM_PHY_END	0xff320000
#define SST_BYT_IMR_VIRT_START	0xc0000000 /* virtual addr in LPE */
#define SST_BYT_IMR_VIRT_END	0xc01fffff
#define SST_BYT_SHIM_PHY_ADDR	0xff340000
#define SST_BYT_MBOX_PHY_ADDR	0xff344000
#define SST_BYT_DMA0_PHY_ADDR	0xff298000
#define SST_BYT_DMA1_PHY_ADDR	0xff29c000
#define SST_BYT_SSP0_PHY_ADDR	0xff2a0000
#define SST_BYT_SSP2_PHY_ADDR	0xff2a2000

#define BYT_FW_MOD_TABLE_OFFSET	0x80000
#define BYT_FW_MOD_TABLE_SIZE	0x100
#define BYT_FW_MOD_OFFSET	(BYT_FW_MOD_TABLE_OFFSET + BYT_FW_MOD_TABLE_SIZE)

static const struct sst_info byt_fwparse_info = {
	.use_elf	= false,
	.max_streams	= 25,
	.iram_start	= SST_BYT_IRAM_PHY_START,
	.iram_end	= SST_BYT_IRAM_PHY_END,
	.iram_use	= true,
	.dram_start	= SST_BYT_DRAM_PHY_START,
	.dram_end	= SST_BYT_DRAM_PHY_END,
	.dram_use	= true,
	.imr_start	= SST_BYT_IMR_VIRT_START,
	.imr_end	= SST_BYT_IMR_VIRT_END,
	.imr_use	= true,
	.mailbox_start	= SST_BYT_MBOX_PHY_ADDR,
	.num_probes	= 0,
	.lpe_viewpt_rqd  = true,
};

static const struct sst_ipc_info byt_ipc_info = {
	.ipc_offset = 0,
	.mbox_recv_off = 0x400,
};

static const struct sst_lib_dnld_info  byt_lib_dnld_info = {
	.mod_base           = SST_BYT_IMR_VIRT_START,
	.mod_end            = SST_BYT_IMR_VIRT_END,
	.mod_table_offset   = BYT_FW_MOD_TABLE_OFFSET,
	.mod_table_size     = BYT_FW_MOD_TABLE_SIZE,
	.mod_ddr_dnld       = false,
};

static const struct sst_res_info byt_rvp_res_info = {
	.shim_offset = 0x140000,
	.shim_size = 0x000100,
	.shim_phy_addr = SST_BYT_SHIM_PHY_ADDR,
	.ssp0_offset = 0xa0000,
	.ssp0_size = 0x1000,
	.dma0_offset = 0x98000,
	.dma0_size = 0x4000,
	.dma1_offset = 0x9c000,
	.dma1_size = 0x4000,
	.iram_offset = 0x0c0000,
	.iram_size = 0x14000,
	.dram_offset = 0x100000,
	.dram_size = 0x28000,
	.mbox_offset = 0x144000,
	.mbox_size = 0x1000,
	.acpi_lpe_res_index = 0,
	.acpi_ddr_index = 2,
	.acpi_ipc_irq_index = 5,
};

/* BYTCR has different BIOS from BYT */
static const struct sst_res_info bytcr_res_info = {
	.shim_offset = 0x140000,
	.shim_size = 0x000100,
	.shim_phy_addr = SST_BYT_SHIM_PHY_ADDR,
	.ssp0_offset = 0xa0000,
	.ssp0_size = 0x1000,
	.dma0_offset = 0x98000,
	.dma0_size = 0x4000,
	.dma1_offset = 0x9c000,
	.dma1_size = 0x4000,
	.iram_offset = 0x0c0000,
	.iram_size = 0x14000,
	.dram_offset = 0x100000,
	.dram_size = 0x28000,
	.mbox_offset = 0x144000,
	.mbox_size = 0x1000,
	.acpi_lpe_res_index = 0,
	.acpi_ddr_index = 2,
	.acpi_ipc_irq_index = 0
};

static struct sst_platform_info byt_rvp_platform_data = {
	.probe_data = &byt_fwparse_info,
	.ipc_info = &byt_ipc_info,
	.lib_info = &byt_lib_dnld_info,
	.res_info = &byt_rvp_res_info,
	.platform = "sst-mfld-platform",
};

/* Cherryview (Cherrytrail and Braswell) uses same mrfld dpcm fw as Baytrail,
 * so pdata is same as Baytrail.
 */
static struct sst_platform_info chv_platform_data = {
	.probe_data = &byt_fwparse_info,
	.ipc_info = &byt_ipc_info,
	.lib_info = &byt_lib_dnld_info,
	.res_info = &byt_rvp_res_info,
	.platform = "sst-mfld-platform",
};

static int sst_platform_get_resources(struct intel_sst_drv *ctx)
{
	struct resource *rsrc;
	struct platform_device *pdev = to_platform_device(ctx->dev);

	/* All ACPI resource request here */
	/* Get Shim addr */
	rsrc = platform_get_resource(pdev, IORESOURCE_MEM,
					ctx->pdata->res_info->acpi_lpe_res_index);
	if (!rsrc) {
		dev_err(ctx->dev, "Invalid SHIM base from IFWI\n");
		return -EIO;
	}
	dev_info(ctx->dev, "LPE base: %#x size:%#x", (unsigned int) rsrc->start,
					(unsigned int)resource_size(rsrc));

	ctx->iram_base = rsrc->start + ctx->pdata->res_info->iram_offset;
	ctx->iram_end =  ctx->iram_base + ctx->pdata->res_info->iram_size - 1;
	dev_info(ctx->dev, "IRAM base: %#x", ctx->iram_base);
	ctx->iram = devm_ioremap_nocache(ctx->dev, ctx->iram_base,
					 ctx->pdata->res_info->iram_size);
	if (!ctx->iram) {
		dev_err(ctx->dev, "unable to map IRAM\n");
		return -EIO;
	}

	ctx->dram_base = rsrc->start + ctx->pdata->res_info->dram_offset;
	ctx->dram_end = ctx->dram_base + ctx->pdata->res_info->dram_size - 1;
	dev_info(ctx->dev, "DRAM base: %#x", ctx->dram_base);
	ctx->dram = devm_ioremap_nocache(ctx->dev, ctx->dram_base,
					 ctx->pdata->res_info->dram_size);
	if (!ctx->dram) {
		dev_err(ctx->dev, "unable to map DRAM\n");
		return -EIO;
	}

	ctx->shim_phy_add = rsrc->start + ctx->pdata->res_info->shim_offset;
	dev_info(ctx->dev, "SHIM base: %#x", ctx->shim_phy_add);
	ctx->shim = devm_ioremap_nocache(ctx->dev, ctx->shim_phy_add,
					ctx->pdata->res_info->shim_size);
	if (!ctx->shim) {
		dev_err(ctx->dev, "unable to map SHIM\n");
		return -EIO;
	}

	/* reassign physical address to LPE viewpoint address */
	ctx->shim_phy_add = ctx->pdata->res_info->shim_phy_addr;

	/* Get mailbox addr */
	ctx->mailbox_add = rsrc->start + ctx->pdata->res_info->mbox_offset;
	dev_info(ctx->dev, "Mailbox base: %#x", ctx->mailbox_add);
	ctx->mailbox = devm_ioremap_nocache(ctx->dev, ctx->mailbox_add,
					    ctx->pdata->res_info->mbox_size);
	if (!ctx->mailbox) {
		dev_err(ctx->dev, "unable to map mailbox\n");
		return -EIO;
	}

	/* reassign physical address to LPE viewpoint address */
	ctx->mailbox_add = ctx->info.mailbox_start;

	rsrc = platform_get_resource(pdev, IORESOURCE_MEM,
					ctx->pdata->res_info->acpi_ddr_index);
	if (!rsrc) {
		dev_err(ctx->dev, "Invalid DDR base from IFWI\n");
		return -EIO;
	}
	ctx->ddr_base = rsrc->start;
	ctx->ddr_end = rsrc->end;
	dev_info(ctx->dev, "DDR base: %#x", ctx->ddr_base);
	ctx->ddr = devm_ioremap_nocache(ctx->dev, ctx->ddr_base,
					resource_size(rsrc));
	if (!ctx->ddr) {
		dev_err(ctx->dev, "unable to map DDR\n");
		return -EIO;
	}

	/* Find the IRQ */
	ctx->irq_num = platform_get_irq(pdev,
				ctx->pdata->res_info->acpi_ipc_irq_index);
	return 0;
}


static int is_byt_cr(struct device *dev, bool *bytcr)
{
	int status = 0;

	if (IS_ENABLED(CONFIG_IOSF_MBI)) {
		static const struct x86_cpu_id cpu_ids[] = {
			{ X86_VENDOR_INTEL, 6, 55 }, /* Valleyview, Bay Trail */
			{}
		};
		u32 bios_status;

		if (!x86_match_cpu(cpu_ids) || !iosf_mbi_available()) {
			/* bail silently */
			return status;
		}

		status = iosf_mbi_read(BT_MBI_UNIT_PMC, /* 0x04 PUNIT */
				       MBI_REG_READ, /* 0x10 */
				       0x006, /* BIOS_CONFIG */
				       &bios_status);

		if (status) {
			dev_err(dev, "could not read PUNIT BIOS_CONFIG\n");
		} else {
			/* bits 26:27 mirror PMIC options */
			bios_status = (bios_status >> 26) & 3;

			if ((bios_status == 1) || (bios_status == 3))
				*bytcr = true;
			else
				dev_info(dev, "BYT-CR not detected\n");
		}
	} else {
		dev_info(dev, "IOSF_MBI not enabled, no BYT-CR detection\n");
	}
	return status;
}


static int sst_acpi_probe(struct platform_device *pdev)
{
	struct device *dev = &pdev->dev;
	int ret = 0;
	struct intel_sst_drv *ctx;
	const struct acpi_device_id *id;
	struct sst_acpi_mach *mach;
	struct platform_device *mdev;
	struct platform_device *plat_dev;
	struct sst_platform_info *pdata;
	unsigned int dev_id;
	bool bytcr = false;

	id = acpi_match_device(dev->driver->acpi_match_table, dev);
	if (!id)
		return -ENODEV;
	dev_dbg(dev, "for %s\n", id->id);

	mach = (struct sst_acpi_mach *)id->driver_data;
	mach = sst_acpi_find_machine(mach);
	if (mach == NULL) {
		dev_err(dev, "No matching machine driver found\n");
		return -ENODEV;
	}
	if (mach->machine_quirk)
		mach = mach->machine_quirk(mach);

	pdata = mach->pdata;

	ret = kstrtouint(id->id, 16, &dev_id);
	if (ret < 0) {
		dev_err(dev, "Unique device id conversion error: %d\n", ret);
		return ret;
	}

	dev_dbg(dev, "ACPI device id: %x\n", dev_id);

	ret = sst_alloc_drv_context(&ctx, dev, dev_id);
	if (ret < 0)
		return ret;

	ret = is_byt_cr(dev, &bytcr);
	if (!((ret < 0) || (bytcr == false))) {
		dev_info(dev, "Detected Baytrail-CR platform\n");

		/* override resource info */
		byt_rvp_platform_data.res_info = &bytcr_res_info;
	}

	plat_dev = platform_device_register_data(dev, pdata->platform, -1,
						NULL, 0);
	if (IS_ERR(plat_dev)) {
		dev_err(dev, "Failed to create machine device: %s\n",
			pdata->platform);
		return PTR_ERR(plat_dev);
	}

	/*
	 * Create platform device for sst machine driver,
	 * pass machine info as pdata
	 */
	mdev = platform_device_register_data(dev, mach->drv_name, -1,
					(const void *)mach, sizeof(*mach));
	if (IS_ERR(mdev)) {
		dev_err(dev, "Failed to create machine device: %s\n",
			mach->drv_name);
		return PTR_ERR(mdev);
	}

	/* Fill sst platform data */
	ctx->pdata = pdata;
	strcpy(ctx->firmware_name, mach->fw_filename);

	ret = sst_platform_get_resources(ctx);
	if (ret)
		return ret;

	ret = sst_context_init(ctx);
	if (ret < 0)
		return ret;

	/* need to save shim registers in BYT */
	ctx->shim_regs64 = devm_kzalloc(ctx->dev, sizeof(*ctx->shim_regs64),
					GFP_KERNEL);
	if (!ctx->shim_regs64) {
		ret = -ENOMEM;
		goto do_sst_cleanup;
	}

	sst_configure_runtime_pm(ctx);
	platform_set_drvdata(pdev, ctx);
	return ret;

do_sst_cleanup:
	sst_context_cleanup(ctx);
	platform_set_drvdata(pdev, NULL);
	dev_err(ctx->dev, "failed with %d\n", ret);
	return ret;
}

/**
* intel_sst_remove - remove function
*
* @pdev:	platform device structure
*
* This function is called by OS when a device is unloaded
* This frees the interrupt etc
*/
static int sst_acpi_remove(struct platform_device *pdev)
{
	struct intel_sst_drv *ctx;

	ctx = platform_get_drvdata(pdev);
	sst_context_cleanup(ctx);
	platform_set_drvdata(pdev, NULL);
	return 0;
}

static unsigned long cht_machine_id;

#define CHT_SURFACE_MACH 1

static int cht_surface_quirk_cb(const struct dmi_system_id *id)
{
	cht_machine_id = CHT_SURFACE_MACH;
	return 1;
}


static const struct dmi_system_id cht_table[] = {
	{
		.callback = cht_surface_quirk_cb,
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
			DMI_MATCH(DMI_PRODUCT_NAME, "Surface 3"),
		},
	},
	{ }
};


static struct sst_acpi_mach cht_surface_mach = {
	"10EC5640", "cht-bsw-rt5645", "intel/fw_sst_22a8.bin", "cht-bsw", NULL,
								&chv_platform_data };

static struct sst_acpi_mach *cht_quirk(void *arg)
{
	struct sst_acpi_mach *mach = arg;

	dmi_check_system(cht_table);

	if (cht_machine_id == CHT_SURFACE_MACH)
		return &cht_surface_mach;
	else
		return mach;
}

static struct sst_acpi_mach sst_acpi_bytcr[] = {
	{"10EC5640", "bytcr_rt5640", "intel/fw_sst_0f28.bin", "bytcr_rt5640", NULL,
						&byt_rvp_platform_data },
	{"10EC5642", "bytcr_rt5640", "intel/fw_sst_0f28.bin", "bytcr_rt5640", NULL,
						&byt_rvp_platform_data },
	{"INTCCFFD", "bytcr_rt5640", "intel/fw_sst_0f28.bin", "bytcr_rt5640", NULL,
						&byt_rvp_platform_data },
	{"10EC5651", "bytcr_rt5651", "intel/fw_sst_0f28.bin", "bytcr_rt5651", NULL,
						&byt_rvp_platform_data },
	{},
};

/* Cherryview-based platforms: CherryTrail and Braswell */
static struct sst_acpi_mach sst_acpi_chv[] = {
	{"10EC5670", "cht-bsw-rt5672", "intel/fw_sst_22a8.bin", "cht-bsw", NULL,
						&chv_platform_data },
	{"10EC5645", "cht-bsw-rt5645", "intel/fw_sst_22a8.bin", "cht-bsw", NULL,
						&chv_platform_data },
	{"10EC5650", "cht-bsw-rt5645", "intel/fw_sst_22a8.bin", "cht-bsw", NULL,
						&chv_platform_data },
	{"193C9890", "cht-bsw-max98090", "intel/fw_sst_22a8.bin", "cht-bsw", NULL,
						&chv_platform_data },
	/* some CHT-T platforms rely on RT5640, use Baytrail machine driver */
	{"10EC5640", "bytcr_rt5640", "intel/fw_sst_22a8.bin", "bytcr_rt5640", cht_quirk,
						&chv_platform_data },

	{},
};

static const struct acpi_device_id sst_acpi_ids[] = {
	{ "80860F28", (unsigned long)&sst_acpi_bytcr},
	{ "808622A8", (unsigned long) &sst_acpi_chv},
	{ },
};

MODULE_DEVICE_TABLE(acpi, sst_acpi_ids);

static struct platform_driver sst_acpi_driver = {
	.driver = {
		.name			= "intel_sst_acpi",
		.acpi_match_table	= ACPI_PTR(sst_acpi_ids),
		.pm			= &intel_sst_pm,
	},
	.probe	= sst_acpi_probe,
	.remove	= sst_acpi_remove,
};

module_platform_driver(sst_acpi_driver);

MODULE_DESCRIPTION("Intel (R) SST(R) Audio Engine ACPI Driver");
MODULE_AUTHOR("Ramesh Babu K V");
MODULE_AUTHOR("Omair Mohammed Abdullah");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("sst");
Commit	Line	Data
336cfbb0 VK	1	/*
	2	* sst_acpi.c - SST (LPE) driver init file for ACPI enumeration.
	3	*
	4	* Copyright (c) 2013, Intel Corporation.
	5	*
	6	* Authors: Ramesh Babu K V <Ramesh.Babu@intel.com>
	7	* Authors: Omair Mohammed Abdullah <omair.m.abdullah@intel.com>
	8	*
	9	* This program is free software; you can redistribute it and/or modify it
	10	* under the terms and conditions of the GNU General Public License,
	11	* version 2, as published by the Free Software Foundation.
	12	*
	13	* This program is distributed in the hope it will be useful, but WITHOUT
	14	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	15	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	16	* more details.
	17	*
	18	*
	19	*/
	20
	21	#include <linux/module.h>
	22	#include <linux/fs.h>
	23	#include <linux/interrupt.h>
	24	#include <linux/slab.h>
	25	#include <linux/io.h>
	26	#include <linux/miscdevice.h>
	27	#include <linux/platform_device.h>
	28	#include <linux/firmware.h>
	29	#include <linux/pm_runtime.h>
	30	#include <linux/pm_qos.h>
73a33f6f	31	#include <linux/dmi.h>
336cfbb0 VK	32	#include <linux/acpi.h>
	33	#include <asm/platform_sst_audio.h>
	34	#include <sound/core.h>
	35	#include <sound/soc.h>
	36	#include <sound/compress_driver.h>
	37	#include <acpi/acbuffer.h>
	38	#include <acpi/platform/acenv.h>
	39	#include <acpi/platform/aclinux.h>
	40	#include <acpi/actypes.h>
	41	#include <acpi/acpi_bus.h>
a68bc0d4 PLB	42	#include <asm/cpu_device_id.h>
a68bc0d4 PLB	43	#include <asm/iosf_mbi.h>
336cfbb0	44	#include "../sst-mfld-platform.h"
b97169da	45	#include "../../common/sst-dsp.h"
12cc291b	46	#include "../../common/sst-acpi.h"
336cfbb0 VK	47	#include "sst.h"
336cfbb0 VK	48
336cfbb0 VK	49	/* LPE viewpoint addresses */
	50	#define SST_BYT_IRAM_PHY_START 0xff2c0000
	51	#define SST_BYT_IRAM_PHY_END 0xff2d4000
	52	#define SST_BYT_DRAM_PHY_START 0xff300000
	53	#define SST_BYT_DRAM_PHY_END 0xff320000
	54	#define SST_BYT_IMR_VIRT_START 0xc0000000 /* virtual addr in LPE */
	55	#define SST_BYT_IMR_VIRT_END 0xc01fffff
	56	#define SST_BYT_SHIM_PHY_ADDR 0xff340000
	57	#define SST_BYT_MBOX_PHY_ADDR 0xff344000
	58	#define SST_BYT_DMA0_PHY_ADDR 0xff298000
	59	#define SST_BYT_DMA1_PHY_ADDR 0xff29c000
	60	#define SST_BYT_SSP0_PHY_ADDR 0xff2a0000
	61	#define SST_BYT_SSP2_PHY_ADDR 0xff2a2000
	62
	63	#define BYT_FW_MOD_TABLE_OFFSET 0x80000
	64	#define BYT_FW_MOD_TABLE_SIZE 0x100
	65	#define BYT_FW_MOD_OFFSET (BYT_FW_MOD_TABLE_OFFSET + BYT_FW_MOD_TABLE_SIZE)
	66
	67	static const struct sst_info byt_fwparse_info = {
	68	.use_elf = false,
	69	.max_streams = 25,
	70	.iram_start = SST_BYT_IRAM_PHY_START,
	71	.iram_end = SST_BYT_IRAM_PHY_END,
	72	.iram_use = true,
	73	.dram_start = SST_BYT_DRAM_PHY_START,
	74	.dram_end = SST_BYT_DRAM_PHY_END,
	75	.dram_use = true,
	76	.imr_start = SST_BYT_IMR_VIRT_START,
	77	.imr_end = SST_BYT_IMR_VIRT_END,
	78	.imr_use = true,
	79	.mailbox_start = SST_BYT_MBOX_PHY_ADDR,
	80	.num_probes = 0,
	81	.lpe_viewpt_rqd = true,
	82	};
	83
	84	static const struct sst_ipc_info byt_ipc_info = {
	85	.ipc_offset = 0,
	86	.mbox_recv_off = 0x400,
	87	};
	88
	89	static const struct sst_lib_dnld_info byt_lib_dnld_info = {
	90	.mod_base = SST_BYT_IMR_VIRT_START,
	91	.mod_end = SST_BYT_IMR_VIRT_END,
	92	.mod_table_offset = BYT_FW_MOD_TABLE_OFFSET,
	93	.mod_table_size = BYT_FW_MOD_TABLE_SIZE,
	94	.mod_ddr_dnld = false,
	95	};
	96
	97	static const struct sst_res_info byt_rvp_res_info = {
	98	.shim_offset = 0x140000,
	99	.shim_size = 0x000100,
	100	.shim_phy_addr = SST_BYT_SHIM_PHY_ADDR,
	101	.ssp0_offset = 0xa0000,
	102	.ssp0_size = 0x1000,
	103	.dma0_offset = 0x98000,
	104	.dma0_size = 0x4000,
	105	.dma1_offset = 0x9c000,
	106	.dma1_size = 0x4000,
	107	.iram_offset = 0x0c0000,
	108	.iram_size = 0x14000,
	109	.dram_offset = 0x100000,
	110	.dram_size = 0x28000,
	111	.mbox_offset = 0x144000,
	112	.mbox_size = 0x1000,
113	.acpi_lpe_res_index = 0,
114	.acpi_ddr_index = 2,
115	.acpi_ipc_irq_index = 5,
116	};
117
a68bc0d4 PLB	118	/* BYTCR has different BIOS from BYT */
	119	static const struct sst_res_info bytcr_res_info = {
	120	.shim_offset = 0x140000,
	121	.shim_size = 0x000100,
	122	.shim_phy_addr = SST_BYT_SHIM_PHY_ADDR,
	123	.ssp0_offset = 0xa0000,
	124	.ssp0_size = 0x1000,
	125	.dma0_offset = 0x98000,
	126	.dma0_size = 0x4000,
	127	.dma1_offset = 0x9c000,
	128	.dma1_size = 0x4000,
	129	.iram_offset = 0x0c0000,
	130	.iram_size = 0x14000,
	131	.dram_offset = 0x100000,
	132	.dram_size = 0x28000,
	133	.mbox_offset = 0x144000,
	134	.mbox_size = 0x1000,
	135	.acpi_lpe_res_index = 0,
	136	.acpi_ddr_index = 2,
	137	.acpi_ipc_irq_index = 0
	138	};
	139
1a28fc19	140	static struct sst_platform_info byt_rvp_platform_data = {
336cfbb0 VK	141	.probe_data = &byt_fwparse_info,
	142	.ipc_info = &byt_ipc_info,
	143	.lib_info = &byt_lib_dnld_info,
	144	.res_info = &byt_rvp_res_info,
	145	.platform = "sst-mfld-platform",
	146	};
	147
bd01fdc3 ML	148	/* Cherryview (Cherrytrail and Braswell) uses same mrfld dpcm fw as Baytrail,
	149	* so pdata is same as Baytrail.
	150	*/
14cd7923	151	static struct sst_platform_info chv_platform_data = {
bd01fdc3 ML	152	.probe_data = &byt_fwparse_info,
	153	.ipc_info = &byt_ipc_info,
	154	.lib_info = &byt_lib_dnld_info,
	155	.res_info = &byt_rvp_res_info,
	156	.platform = "sst-mfld-platform",
	157	};
	158
336cfbb0 VK	159	static int sst_platform_get_resources(struct intel_sst_drv *ctx)
	160	{
	161	struct resource *rsrc;
	162	struct platform_device *pdev = to_platform_device(ctx->dev);
	163
	164	/* All ACPI resource request here */
	165	/* Get Shim addr */
	166	rsrc = platform_get_resource(pdev, IORESOURCE_MEM,
	167	ctx->pdata->res_info->acpi_lpe_res_index);
	168	if (!rsrc) {
1635c694	169	dev_err(ctx->dev, "Invalid SHIM base from IFWI\n");
336cfbb0 VK	170	return -EIO;
	171	}
	172	dev_info(ctx->dev, "LPE base: %#x size:%#x", (unsigned int) rsrc->start,
	173	(unsigned int)resource_size(rsrc));
	174
	175	ctx->iram_base = rsrc->start + ctx->pdata->res_info->iram_offset;
	176	ctx->iram_end = ctx->iram_base + ctx->pdata->res_info->iram_size - 1;
	177	dev_info(ctx->dev, "IRAM base: %#x", ctx->iram_base);
	178	ctx->iram = devm_ioremap_nocache(ctx->dev, ctx->iram_base,
	179	ctx->pdata->res_info->iram_size);
	180	if (!ctx->iram) {
1635c694	181	dev_err(ctx->dev, "unable to map IRAM\n");
336cfbb0 VK	182	return -EIO;
	183	}
	184
	185	ctx->dram_base = rsrc->start + ctx->pdata->res_info->dram_offset;
	186	ctx->dram_end = ctx->dram_base + ctx->pdata->res_info->dram_size - 1;
	187	dev_info(ctx->dev, "DRAM base: %#x", ctx->dram_base);
	188	ctx->dram = devm_ioremap_nocache(ctx->dev, ctx->dram_base,
	189	ctx->pdata->res_info->dram_size);
	190	if (!ctx->dram) {
1635c694	191	dev_err(ctx->dev, "unable to map DRAM\n");
336cfbb0 VK	192	return -EIO;
	193	}
	194
	195	ctx->shim_phy_add = rsrc->start + ctx->pdata->res_info->shim_offset;
	196	dev_info(ctx->dev, "SHIM base: %#x", ctx->shim_phy_add);
	197	ctx->shim = devm_ioremap_nocache(ctx->dev, ctx->shim_phy_add,
	198	ctx->pdata->res_info->shim_size);
	199	if (!ctx->shim) {
1635c694	200	dev_err(ctx->dev, "unable to map SHIM\n");
336cfbb0 VK	201	return -EIO;
	202	}
	203
	204	/* reassign physical address to LPE viewpoint address */
	205	ctx->shim_phy_add = ctx->pdata->res_info->shim_phy_addr;
	206
	207	/* Get mailbox addr */
	208	ctx->mailbox_add = rsrc->start + ctx->pdata->res_info->mbox_offset;
	209	dev_info(ctx->dev, "Mailbox base: %#x", ctx->mailbox_add);
	210	ctx->mailbox = devm_ioremap_nocache(ctx->dev, ctx->mailbox_add,
	211	ctx->pdata->res_info->mbox_size);
	212	if (!ctx->mailbox) {
1635c694	213	dev_err(ctx->dev, "unable to map mailbox\n");
336cfbb0 VK	214	return -EIO;
	215	}
	216
	217	/* reassign physical address to LPE viewpoint address */
	218	ctx->mailbox_add = ctx->info.mailbox_start;
	219
	220	rsrc = platform_get_resource(pdev, IORESOURCE_MEM,
	221	ctx->pdata->res_info->acpi_ddr_index);
	222	if (!rsrc) {
1635c694	223	dev_err(ctx->dev, "Invalid DDR base from IFWI\n");
336cfbb0 VK	224	return -EIO;
	225	}
	226	ctx->ddr_base = rsrc->start;
	227	ctx->ddr_end = rsrc->end;
	228	dev_info(ctx->dev, "DDR base: %#x", ctx->ddr_base);
	229	ctx->ddr = devm_ioremap_nocache(ctx->dev, ctx->ddr_base,
	230	resource_size(rsrc));
	231	if (!ctx->ddr) {
1635c694	232	dev_err(ctx->dev, "unable to map DDR\n");
336cfbb0 VK	233	return -EIO;
	234	}
	235
	236	/* Find the IRQ */
	237	ctx->irq_num = platform_get_irq(pdev,
	238	ctx->pdata->res_info->acpi_ipc_irq_index);
	239	return 0;
	240	}
	241
a68bc0d4 PLB	242
	243	static int is_byt_cr(struct device dev, bool bytcr)
	244	{
	245	int status = 0;
	246
	247	if (IS_ENABLED(CONFIG_IOSF_MBI)) {
cac17731	248	static const struct x86_cpu_id cpu_ids[] = {
a68bc0d4 PLB	249	{ X86_VENDOR_INTEL, 6, 55 }, /* Valleyview, Bay Trail */
	250	{}
	251	};
a68bc0d4 PLB	252	u32 bios_status;
	253
	254	if (!x86_match_cpu(cpu_ids) \|\| !iosf_mbi_available()) {
	255	/* bail silently */
	256	return status;
	257	}
	258
	259	status = iosf_mbi_read(BT_MBI_UNIT_PMC, /* 0x04 PUNIT */
	260	MBI_REG_READ, /* 0x10 */
	261	0x006, /* BIOS_CONFIG */
	262	&bios_status);
	263
	264	if (status) {
	265	dev_err(dev, "could not read PUNIT BIOS_CONFIG\n");
	266	} else {
	267	/* bits 26:27 mirror PMIC options */
	268	bios_status = (bios_status >> 26) & 3;
	269
	270	if ((bios_status == 1) \|\| (bios_status == 3))
	271	*bytcr = true;
	272	else
	273	dev_info(dev, "BYT-CR not detected\n");
	274	}
	275	} else {
	276	dev_info(dev, "IOSF_MBI not enabled, no BYT-CR detection\n");
	277	}
	278	return status;
	279	}
	280
	281
5129ad6e	282	static int sst_acpi_probe(struct platform_device *pdev)
336cfbb0 VK	283	{
	284	struct device *dev = &pdev->dev;
	285	int ret = 0;
	286	struct intel_sst_drv *ctx;
	287	const struct acpi_device_id *id;
12cc291b	288	struct sst_acpi_mach *mach;
336cfbb0 VK	289	struct platform_device *mdev;
336cfbb0 VK	290	struct platform_device *plat_dev;
12cc291b	291	struct sst_platform_info *pdata;
336cfbb0	292	unsigned int dev_id;
a68bc0d4	293	bool bytcr = false;
336cfbb0 VK	294
	295	id = acpi_match_device(dev->driver->acpi_match_table, dev);
	296	if (!id)
	297	return -ENODEV;
1635c694	298	dev_dbg(dev, "for %s\n", id->id);
336cfbb0	299
12cc291b	300	mach = (struct sst_acpi_mach *)id->driver_data;
336cfbb0 VK	301	mach = sst_acpi_find_machine(mach);
	302	if (mach == NULL) {
	303	dev_err(dev, "No matching machine driver found\n");
	304	return -ENODEV;
	305	}
73a33f6f VK	306	if (mach->machine_quirk)
	307	mach = mach->machine_quirk(mach);
	308
12cc291b	309	pdata = mach->pdata;
336cfbb0 VK	310
	311	ret = kstrtouint(id->id, 16, &dev_id);
	312	if (ret < 0) {
	313	dev_err(dev, "Unique device id conversion error: %d\n", ret);
	314	return ret;
	315	}
	316
	317	dev_dbg(dev, "ACPI device id: %x\n", dev_id);
	318
a68bc0d4 PLB	319	ret = sst_alloc_drv_context(&ctx, dev, dev_id);
	320	if (ret < 0)
	321	return ret;
	322
	323	ret = is_byt_cr(dev, &bytcr);
	324	if (!((ret < 0) \|\| (bytcr == false))) {
	325	dev_info(dev, "Detected Baytrail-CR platform\n");
	326
	327	/* override resource info */
	328	byt_rvp_platform_data.res_info = &bytcr_res_info;
	329	}
	330
caf94ed8 PLB	331	plat_dev = platform_device_register_data(dev, pdata->platform, -1,
caf94ed8 PLB	332	NULL, 0);
f5d40b40	333	if (IS_ERR(plat_dev)) {
caf94ed8 PLB	334	dev_err(dev, "Failed to create machine device: %s\n",
caf94ed8 PLB	335	pdata->platform);
f5d40b40	336	return PTR_ERR(plat_dev);
336cfbb0 VK	337	}
336cfbb0 VK	338
caf94ed8 PLB	339	/*
	340	* Create platform device for sst machine driver,
	341	* pass machine info as pdata
	342	*/
	343	mdev = platform_device_register_data(dev, mach->drv_name, -1,
	344	(const void )mach, sizeof(mach));
f5d40b40	345	if (IS_ERR(mdev)) {
caf94ed8 PLB	346	dev_err(dev, "Failed to create machine device: %s\n",
caf94ed8 PLB	347	mach->drv_name);
f5d40b40	348	return PTR_ERR(mdev);
336cfbb0 VK	349	}
336cfbb0 VK	350
336cfbb0	351	/* Fill sst platform data */
12cc291b VK	352	ctx->pdata = pdata;
12cc291b VK	353	strcpy(ctx->firmware_name, mach->fw_filename);
336cfbb0 VK	354
	355	ret = sst_platform_get_resources(ctx);
	356	if (ret)
	357	return ret;
	358
	359	ret = sst_context_init(ctx);
	360	if (ret < 0)
	361	return ret;
	362
	363	/* need to save shim registers in BYT */
	364	ctx->shim_regs64 = devm_kzalloc(ctx->dev, sizeof(*ctx->shim_regs64),
	365	GFP_KERNEL);
	366	if (!ctx->shim_regs64) {
bdc455b5	367	ret = -ENOMEM;
336cfbb0 VK	368	goto do_sst_cleanup;
	369	}
	370
	371	sst_configure_runtime_pm(ctx);
	372	platform_set_drvdata(pdev, ctx);
	373	return ret;
	374
	375	do_sst_cleanup:
	376	sst_context_cleanup(ctx);
	377	platform_set_drvdata(pdev, NULL);
	378	dev_err(ctx->dev, "failed with %d\n", ret);
	379	return ret;
	380	}
	381
	382	/**
	383	* intel_sst_remove - remove function
	384	*
	385	* @pdev: platform device structure
	386	*
	387	* This function is called by OS when a device is unloaded
	388	* This frees the interrupt etc
	389	*/
5129ad6e	390	static int sst_acpi_remove(struct platform_device *pdev)
336cfbb0 VK	391	{
	392	struct intel_sst_drv *ctx;
	393
	394	ctx = platform_get_drvdata(pdev);
	395	sst_context_cleanup(ctx);
	396	platform_set_drvdata(pdev, NULL);
	397	return 0;
	398	}
	399
73a33f6f VK	400	static unsigned long cht_machine_id;
	401
	402	#define CHT_SURFACE_MACH 1
	403
	404	static int cht_surface_quirk_cb(const struct dmi_system_id *id)
	405	{
	406	cht_machine_id = CHT_SURFACE_MACH;
	407	return 1;
	408	}
	409
	410
	411	static const struct dmi_system_id cht_table[] = {
	412	{
	413	.callback = cht_surface_quirk_cb,
	414	.matches = {
	415	DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
	416	DMI_MATCH(DMI_PRODUCT_NAME, "Surface 3"),
	417	},
	418	},
46904810	419	{ }
73a33f6f VK	420	};
	421
	422
	423	static struct sst_acpi_mach cht_surface_mach = {
	424	"10EC5640", "cht-bsw-rt5645", "intel/fw_sst_22a8.bin", "cht-bsw", NULL,
	425	&chv_platform_data };
	426
24dad509	427	static struct sst_acpi_mach cht_quirk(void arg)
73a33f6f VK	428	{
	429	struct sst_acpi_mach *mach = arg;
	430
	431	dmi_check_system(cht_table);
	432
	433	if (cht_machine_id == CHT_SURFACE_MACH)
	434	return &cht_surface_mach;
	435	else
	436	return mach;
	437	}
	438
12cc291b	439	static struct sst_acpi_mach sst_acpi_bytcr[] = {
a2d5563b	440	{"10EC5640", "bytcr_rt5640", "intel/fw_sst_0f28.bin", "bytcr_rt5640", NULL,
336cfbb0	441	&byt_rvp_platform_data },
7762ef42 PLB	442	{"10EC5642", "bytcr_rt5640", "intel/fw_sst_0f28.bin", "bytcr_rt5640", NULL,
7762ef42 PLB	443	&byt_rvp_platform_data },
55fc2056 JFM	444	{"INTCCFFD", "bytcr_rt5640", "intel/fw_sst_0f28.bin", "bytcr_rt5640", NULL,
55fc2056 JFM	445	&byt_rvp_platform_data },
2bd5bd15 PLB	446	{"10EC5651", "bytcr_rt5651", "intel/fw_sst_0f28.bin", "bytcr_rt5651", NULL,
2bd5bd15 PLB	447	&byt_rvp_platform_data },
336cfbb0 VK	448	{},
	449	};
	450
bd01fdc3	451	/* Cherryview-based platforms: CherryTrail and Braswell */
12cc291b VK	452	static struct sst_acpi_mach sst_acpi_chv[] = {
	453	{"10EC5670", "cht-bsw-rt5672", "intel/fw_sst_22a8.bin", "cht-bsw", NULL,
	454	&chv_platform_data },
	455	{"10EC5645", "cht-bsw-rt5645", "intel/fw_sst_22a8.bin", "cht-bsw", NULL,
bd01fdc3	456	&chv_platform_data },
12cc291b	457	{"10EC5650", "cht-bsw-rt5645", "intel/fw_sst_22a8.bin", "cht-bsw", NULL,
bd01fdc3	458	&chv_platform_data },
12cc291b	459	{"193C9890", "cht-bsw-max98090", "intel/fw_sst_22a8.bin", "cht-bsw", NULL,
044d9601	460	&chv_platform_data },
fdf84193	461	/* some CHT-T platforms rely on RT5640, use Baytrail machine driver */
73a33f6f	462	{"10EC5640", "bytcr_rt5640", "intel/fw_sst_22a8.bin", "bytcr_rt5640", cht_quirk,
fdf84193 PLB	463	&chv_platform_data },
fdf84193 PLB	464
bd01fdc3 ML	465	{},
	466	};
	467
336cfbb0 VK	468	static const struct acpi_device_id sst_acpi_ids[] = {
336cfbb0 VK	469	{ "80860F28", (unsigned long)&sst_acpi_bytcr},
bd01fdc3	470	{ "808622A8", (unsigned long) &sst_acpi_chv},
336cfbb0 VK	471	{ },
	472	};
	473
eb826a35 ML	474	MODULE_DEVICE_TABLE(acpi, sst_acpi_ids);
eb826a35 ML	475
336cfbb0 VK	476	static struct platform_driver sst_acpi_driver = {
	477	.driver = {
	478	.name = "intel_sst_acpi",
336cfbb0 VK	479	.acpi_match_table = ACPI_PTR(sst_acpi_ids),
	480	.pm = &intel_sst_pm,
	481	},
	482	.probe = sst_acpi_probe,
	483	.remove = sst_acpi_remove,
	484	};
	485
	486	module_platform_driver(sst_acpi_driver);
	487
	488	MODULE_DESCRIPTION("Intel (R) SST(R) Audio Engine ACPI Driver");
	489	MODULE_AUTHOR("Ramesh Babu K V");
	490	MODULE_AUTHOR("Omair Mohammed Abdullah");
	491	MODULE_LICENSE("GPL v2");
	492	MODULE_ALIAS("sst");