1 files changed, 0 insertions, 521 deletions
diff --git a/sound/soc/sof/imx/imx8ulp.c b/sound/soc/sof/imx/imx8ulp.c
deleted file mode 100644
index 6965791ab6ef..000000000000
--- a/sound/soc/sof/imx/imx8ulp.c
+++ /dev/null
@@ -1,521 +0,0 @@
-// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
-//
-// Copyright 2021-2022 NXP
-//
-// Author: Peng Zhang <peng.zhang_8@nxp.com>
-//
-// Hardware interface for audio DSP on i.MX8ULP
-
-#include <linux/arm-smccc.h>
-#include <linux/clk.h>
-#include <linux/firmware.h>
-#include <linux/firmware/imx/dsp.h>
-#include <linux/firmware/imx/ipc.h>
-#include <linux/firmware/imx/svc/misc.h>
-#include <linux/mfd/syscon.h>
-#include <linux/module.h>
-#include <linux/of_address.h>
-#include <linux/of_irq.h>
-#include <linux/of_platform.h>
-#include <linux/of_reserved_mem.h>
-
-#include <sound/sof.h>
-#include <sound/sof/xtensa.h>
-
-#include "../ops.h"
-#include "../sof-of-dev.h"
-#include "imx-common.h"
-
-#define FSL_SIP_HIFI_XRDC	0xc200000e
-
-/* SIM Domain register */
-#define SYSCTRL0		0x8
-#define EXECUTE_BIT		BIT(13)
-#define RESET_BIT		BIT(16)
-#define HIFI4_CLK_BIT		BIT(17)
-#define PB_CLK_BIT		BIT(18)
-#define PLAT_CLK_BIT		BIT(19)
-#define DEBUG_LOGIC_BIT		BIT(25)
-
-#define MBOX_OFFSET		0x800000
-#define MBOX_SIZE		0x1000
-
-struct imx8ulp_priv {
-	struct device *dev;
-	struct snd_sof_dev *sdev;
-
-	/* DSP IPC handler */
-	struct imx_dsp_ipc *dsp_ipc;
-	struct platform_device *ipc_dev;
-
-	struct regmap *regmap;
-	struct clk_bulk_data *clks;
-	int clk_num;
-};
-
-static void imx8ulp_sim_lpav_start(struct imx8ulp_priv *priv)
-{
-	/* Controls the HiFi4 DSP Reset: 1 in reset, 0 out of reset */
-	regmap_update_bits(priv->regmap, SYSCTRL0, RESET_BIT, 0);
-
-	/* Reset HiFi4 DSP Debug logic: 1 debug reset, 0  out of reset*/
-	regmap_update_bits(priv->regmap, SYSCTRL0, DEBUG_LOGIC_BIT, 0);
-
-	/* Stall HIFI4 DSP Execution: 1 stall, 0 run */
-	regmap_update_bits(priv->regmap, SYSCTRL0, EXECUTE_BIT, 0);
-}
-
-static int imx8ulp_get_mailbox_offset(struct snd_sof_dev *sdev)
-{
-	return MBOX_OFFSET;
-}
-
-static int imx8ulp_get_window_offset(struct snd_sof_dev *sdev, u32 id)
-{
-	return MBOX_OFFSET;
-}
-
-static void imx8ulp_dsp_handle_reply(struct imx_dsp_ipc *ipc)
-{
-	struct imx8ulp_priv *priv = imx_dsp_get_data(ipc);
-	unsigned long flags;
-
-	spin_lock_irqsave(&priv->sdev->ipc_lock, flags);
-
-	snd_sof_ipc_process_reply(priv->sdev, 0);
-
-	spin_unlock_irqrestore(&priv->sdev->ipc_lock, flags);
-}
-
-static void imx8ulp_dsp_handle_request(struct imx_dsp_ipc *ipc)
-{
-	struct imx8ulp_priv *priv = imx_dsp_get_data(ipc);
-	u32 p; /* panic code */
-
-	/* Read the message from the debug box. */
-	sof_mailbox_read(priv->sdev, priv->sdev->debug_box.offset + 4, &p, sizeof(p));
-
-	/* Check to see if the message is a panic code (0x0dead***) */
-	if ((p & SOF_IPC_PANIC_MAGIC_MASK) == SOF_IPC_PANIC_MAGIC)
-		snd_sof_dsp_panic(priv->sdev, p, true);
-	else
-		snd_sof_ipc_msgs_rx(priv->sdev);
-}
-
-static struct imx_dsp_ops dsp_ops = {
-	.handle_reply		= imx8ulp_dsp_handle_reply,
-	.handle_request		= imx8ulp_dsp_handle_request,
-};
-
-static int imx8ulp_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg)
-{
-	struct imx8ulp_priv *priv = sdev->pdata->hw_pdata;
-
-	sof_mailbox_write(sdev, sdev->host_box.offset, msg->msg_data,
-			  msg->msg_size);
-	imx_dsp_ring_doorbell(priv->dsp_ipc, 0);
-
-	return 0;
-}
-
-static int imx8ulp_run(struct snd_sof_dev *sdev)
-{
-	struct imx8ulp_priv *priv = sdev->pdata->hw_pdata;
-
-	imx8ulp_sim_lpav_start(priv);
-
-	return 0;
-}
-
-static int imx8ulp_reset(struct snd_sof_dev *sdev)
-{
-	struct imx8ulp_priv *priv = sdev->pdata->hw_pdata;
-	struct arm_smccc_res smc_resource;
-
-	/* HiFi4 Platform Clock Enable: 1 enabled, 0 disabled */
-	regmap_update_bits(priv->regmap, SYSCTRL0, PLAT_CLK_BIT, PLAT_CLK_BIT);
-
-	/* HiFi4 PBCLK clock enable: 1 enabled, 0 disabled */
-	regmap_update_bits(priv->regmap, SYSCTRL0, PB_CLK_BIT, PB_CLK_BIT);
-
-	/* HiFi4 Clock Enable: 1 enabled, 0 disabled */
-	regmap_update_bits(priv->regmap, SYSCTRL0, HIFI4_CLK_BIT, HIFI4_CLK_BIT);
-
-	regmap_update_bits(priv->regmap, SYSCTRL0, RESET_BIT, RESET_BIT);
-	usleep_range(1, 2);
-
-	/* Stall HIFI4 DSP Execution: 1 stall, 0 not stall */
-	regmap_update_bits(priv->regmap, SYSCTRL0, EXECUTE_BIT, EXECUTE_BIT);
-	usleep_range(1, 2);
-
-	arm_smccc_smc(FSL_SIP_HIFI_XRDC, 0, 0, 0, 0, 0, 0, 0, &smc_resource);
-
-	return 0;
-}
-
-static int imx8ulp_probe(struct snd_sof_dev *sdev)
-{
-	struct platform_device *pdev =
-		container_of(sdev->dev, struct platform_device, dev);
-	struct device_node *np = pdev->dev.of_node;
-	struct device_node *res_node;
-	struct resource *mmio;
-	struct imx8ulp_priv *priv;
-	struct resource res;
-	u32 base, size;
-	int ret = 0;
-
-	priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
-	if (!priv)
-		return -ENOMEM;
-
-	sdev->num_cores = 1;
-	sdev->pdata->hw_pdata = priv;
-	priv->dev = sdev->dev;
-	priv->sdev = sdev;
-
-	/* System integration module(SIM) control dsp configuration */
-	priv->regmap = syscon_regmap_lookup_by_phandle(np, "fsl,dsp-ctrl");
-	if (IS_ERR(priv->regmap))
-		return PTR_ERR(priv->regmap);
-
-	priv->ipc_dev = platform_device_register_data(sdev->dev, "imx-dsp",
-						      PLATFORM_DEVID_NONE,
-						      pdev, sizeof(*pdev));
-	if (IS_ERR(priv->ipc_dev))
-		return PTR_ERR(priv->ipc_dev);
-
-	priv->dsp_ipc = dev_get_drvdata(&priv->ipc_dev->dev);
-	if (!priv->dsp_ipc) {
-		/* DSP IPC driver not probed yet, try later */
-		ret = -EPROBE_DEFER;
-		dev_err(sdev->dev, "Failed to get drvdata\n");
-		goto exit_pdev_unregister;
-	}
-
-	imx_dsp_set_data(priv->dsp_ipc, priv);
-	priv->dsp_ipc->ops = &dsp_ops;
-
-	/* DSP base */
-	mmio = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	if (mmio) {
-		base = mmio->start;
-		size = resource_size(mmio);
-	} else {
-		dev_err(sdev->dev, "error: failed to get DSP base at idx 0\n");
-		ret = -EINVAL;
-		goto exit_pdev_unregister;
-	}
-
-	sdev->bar[SOF_FW_BLK_TYPE_IRAM] = devm_ioremap(sdev->dev, base, size);
-	if (!sdev->bar[SOF_FW_BLK_TYPE_IRAM]) {
-		dev_err(sdev->dev, "failed to ioremap base 0x%x size 0x%x\n",
-			base, size);
-		ret = -ENODEV;
-		goto exit_pdev_unregister;
-	}
-	sdev->mmio_bar = SOF_FW_BLK_TYPE_IRAM;
-
-	res_node = of_parse_phandle(np, "memory-reserved", 0);
-	if (!res_node) {
-		dev_err(&pdev->dev, "failed to get memory region node\n");
-		ret = -ENODEV;
-		goto exit_pdev_unregister;
-	}
-
-	ret = of_address_to_resource(res_node, 0, &res);
-	of_node_put(res_node);
-	if (ret) {
-		dev_err(&pdev->dev, "failed to get reserved region address\n");
-		goto exit_pdev_unregister;
-	}
-
-	sdev->bar[SOF_FW_BLK_TYPE_SRAM] = devm_ioremap_wc(sdev->dev, res.start,
-							  resource_size(&res));
-	if (!sdev->bar[SOF_FW_BLK_TYPE_SRAM]) {
-		dev_err(sdev->dev, "failed to ioremap mem 0x%x size 0x%x\n",
-			base, size);
-		ret = -ENOMEM;
-		goto exit_pdev_unregister;
-	}
-	sdev->mailbox_bar = SOF_FW_BLK_TYPE_SRAM;
-
-	/* set default mailbox offset for FW ready message */
-	sdev->dsp_box.offset = MBOX_OFFSET;
-
-	ret = of_reserved_mem_device_init(sdev->dev);
-	if (ret) {
-		dev_err(&pdev->dev, "failed to init reserved memory region %d\n", ret);
-		goto exit_pdev_unregister;
-	}
-
-	ret = devm_clk_bulk_get_all(sdev->dev, &priv->clks);
-	if (ret < 0) {
-		dev_err(sdev->dev, "failed to fetch clocks: %d\n", ret);
-		goto exit_pdev_unregister;
-	}
-	priv->clk_num = ret;
-
-	ret = clk_bulk_prepare_enable(priv->clk_num, priv->clks);
-	if (ret < 0) {
-		dev_err(sdev->dev, "failed to enable clocks: %d\n", ret);
-		goto exit_pdev_unregister;
-	}
-
-	return 0;
-
-exit_pdev_unregister:
-	platform_device_unregister(priv->ipc_dev);
-
-	return ret;
-}
-
-static void imx8ulp_remove(struct snd_sof_dev *sdev)
-{
-	struct imx8ulp_priv *priv = sdev->pdata->hw_pdata;
-
-	clk_bulk_disable_unprepare(priv->clk_num, priv->clks);
-	platform_device_unregister(priv->ipc_dev);
-}
-
-/* on i.MX8 there is 1 to 1 match between type and BAR idx */
-static int imx8ulp_get_bar_index(struct snd_sof_dev *sdev, u32 type)
-{
-	return type;
-}
-
-static int imx8ulp_suspend(struct snd_sof_dev *sdev)
-{
-	int i;
-	struct imx8ulp_priv *priv = (struct imx8ulp_priv *)sdev->pdata->hw_pdata;
-
-	/*Stall DSP,  release in .run() */
-	regmap_update_bits(priv->regmap, SYSCTRL0, EXECUTE_BIT, EXECUTE_BIT);
-
-	for (i = 0; i < DSP_MU_CHAN_NUM; i++)
-		imx_dsp_free_channel(priv->dsp_ipc, i);
-
-	clk_bulk_disable_unprepare(priv->clk_num, priv->clks);
-
-	return 0;
-}
-
-static int imx8ulp_resume(struct snd_sof_dev *sdev)
-{
-	struct imx8ulp_priv *priv = (struct imx8ulp_priv *)sdev->pdata->hw_pdata;
-	int i, ret;
-
-	ret = clk_bulk_prepare_enable(priv->clk_num, priv->clks);
-	if (ret < 0) {
-		dev_err(sdev->dev, "failed to enable clocks: %d\n", ret);
-		return ret;
-	}
-
-	for (i = 0; i < DSP_MU_CHAN_NUM; i++)
-		imx_dsp_request_channel(priv->dsp_ipc, i);
-
-	return 0;
-}
-
-static int imx8ulp_dsp_runtime_resume(struct snd_sof_dev *sdev)
-{
-	const struct sof_dsp_power_state target_dsp_state = {
-		.state = SOF_DSP_PM_D0,
-		.substate = 0,
-	};
-
-	imx8ulp_resume(sdev);
-
-	return snd_sof_dsp_set_power_state(sdev, &target_dsp_state);
-}
-
-static int imx8ulp_dsp_runtime_suspend(struct snd_sof_dev *sdev)
-{
-	const struct sof_dsp_power_state target_dsp_state = {
-		.state = SOF_DSP_PM_D3,
-		.substate = 0,
-	};
-
-	imx8ulp_suspend(sdev);
-
-	return snd_sof_dsp_set_power_state(sdev, &target_dsp_state);
-}
-
-static int imx8ulp_dsp_suspend(struct snd_sof_dev *sdev, unsigned int target_state)
-{
-	const struct sof_dsp_power_state target_dsp_state = {
-		.state = target_state,
-		.substate = 0,
-	};
-
-	if (!pm_runtime_suspended(sdev->dev))
-		imx8ulp_suspend(sdev);
-
-	return snd_sof_dsp_set_power_state(sdev, &target_dsp_state);
-}
-
-static int imx8ulp_dsp_resume(struct snd_sof_dev *sdev)
-{
-	const struct sof_dsp_power_state target_dsp_state = {
-		.state = SOF_DSP_PM_D0,
-		.substate = 0,
-	};
-
-	imx8ulp_resume(sdev);
-
-	if (pm_runtime_suspended(sdev->dev)) {
-		pm_runtime_disable(sdev->dev);
-		pm_runtime_set_active(sdev->dev);
-		pm_runtime_mark_last_busy(sdev->dev);
-		pm_runtime_enable(sdev->dev);
-		pm_runtime_idle(sdev->dev);
-	}
-
-	return snd_sof_dsp_set_power_state(sdev, &target_dsp_state);
-}
-
-static struct snd_soc_dai_driver imx8ulp_dai[] = {
-	{
-		.name = "sai5",
-		.playback = {
-			.channels_min = 1,
-			.channels_max = 32,
-		},
-		.capture = {
-			.channels_min = 1,
-			.channels_max = 32,
-		},
-	},
-	{
-		.name = "sai6",
-		.playback = {
-			.channels_min = 1,
-			.channels_max = 32,
-		},
-		.capture = {
-			.channels_min = 1,
-			.channels_max = 32,
-		},
-	},
-};
-
-static int imx8ulp_dsp_set_power_state(struct snd_sof_dev *sdev,
-				       const struct sof_dsp_power_state *target_state)
-{
-	sdev->dsp_power_state = *target_state;
-
-	return 0;
-}
-
-/* i.MX8 ops */
-static const struct snd_sof_dsp_ops sof_imx8ulp_ops = {
-	/* probe and remove */
-	.probe		= imx8ulp_probe,
-	.remove		= imx8ulp_remove,
-	/* DSP core boot */
-	.run		= imx8ulp_run,
-	.reset		= imx8ulp_reset,
-
-	/* Block IO */
-	.block_read	= sof_block_read,
-	.block_write	= sof_block_write,
-
-	/* Module IO */
-	.read64		= sof_io_read64,
-
-	/* Mailbox IO */
-	.mailbox_read	= sof_mailbox_read,
-	.mailbox_write	= sof_mailbox_write,
-
-	/* ipc */
-	.send_msg	= imx8ulp_send_msg,
-	.get_mailbox_offset	= imx8ulp_get_mailbox_offset,
-	.get_window_offset	= imx8ulp_get_window_offset,
-
-	.ipc_msg_data	= sof_ipc_msg_data,
-	.set_stream_data_offset = sof_set_stream_data_offset,
-
-	/* stream callbacks */
-	.pcm_open	= sof_stream_pcm_open,
-	.pcm_close	= sof_stream_pcm_close,
-
-	/* module loading */
-	.get_bar_index	= imx8ulp_get_bar_index,
-	/* firmware loading */
-	.load_firmware	= snd_sof_load_firmware_memcpy,
-
-	/* Debug information */
-	.dbg_dump	= imx8_dump,
-
-	/* Firmware ops */
-	.dsp_arch_ops	= &sof_xtensa_arch_ops,
-
-	/* DAI drivers */
-	.drv		= imx8ulp_dai,
-	.num_drv	= ARRAY_SIZE(imx8ulp_dai),
-
-	/* ALSA HW info flags */
-	.hw_info	= SNDRV_PCM_INFO_MMAP |
-			SNDRV_PCM_INFO_MMAP_VALID |
-			SNDRV_PCM_INFO_INTERLEAVED |
-			SNDRV_PCM_INFO_PAUSE |
-			SNDRV_PCM_INFO_BATCH |
-			SNDRV_PCM_INFO_NO_PERIOD_WAKEUP,
-
-	/* PM */
-	.runtime_suspend	= imx8ulp_dsp_runtime_suspend,
-	.runtime_resume		= imx8ulp_dsp_runtime_resume,
-
-	.suspend	= imx8ulp_dsp_suspend,
-	.resume		= imx8ulp_dsp_resume,
-
-	.set_power_state	= imx8ulp_dsp_set_power_state,
-};
-
-static struct snd_sof_of_mach sof_imx8ulp_machs[] = {
-	{
-		.compatible = "fsl,imx8ulp-evk",
-		.sof_tplg_filename = "sof-imx8ulp-btsco.tplg",
-		.drv_name = "asoc-audio-graph-card2",
-	},
-	{}
-};
-
-static struct sof_dev_desc sof_of_imx8ulp_desc = {
-	.of_machines = sof_imx8ulp_machs,
-	.ipc_supported_mask     = BIT(SOF_IPC_TYPE_3),
-	.ipc_default            = SOF_IPC_TYPE_3,
-	.default_fw_path = {
-		[SOF_IPC_TYPE_3] = "imx/sof",
-	},
-	.default_tplg_path = {
-		[SOF_IPC_TYPE_3] = "imx/sof-tplg",
-	},
-	.default_fw_filename = {
-		[SOF_IPC_TYPE_3] = "sof-imx8ulp.ri",
-	},
-	.nocodec_tplg_filename = "sof-imx8ulp-nocodec.tplg",
-	.ops = &sof_imx8ulp_ops,
-};
-
-static const struct of_device_id sof_of_imx8ulp_ids[] = {
-	{ .compatible = "fsl,imx8ulp-dsp", .data = &sof_of_imx8ulp_desc},
-	{ }
-};
-MODULE_DEVICE_TABLE(of, sof_of_imx8ulp_ids);
-
-/* DT driver definition */
-static struct platform_driver snd_sof_of_imx8ulp_driver = {
-	.probe = sof_of_probe,
-	.remove = sof_of_remove,
-	.driver = {
-		.name = "sof-audio-of-imx8ulp",
-		.pm = &sof_of_pm,
-		.of_match_table = sof_of_imx8ulp_ids,
-	},
-};
-module_platform_driver(snd_sof_of_imx8ulp_driver);
-
-MODULE_LICENSE("Dual BSD/GPL");
-MODULE_DESCRIPTION("SOF support for IMX8ULP platforms");
-MODULE_IMPORT_NS("SND_SOC_SOF_XTENSA");