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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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f8d952c5f7
Use the newer EXPORT_DEV_PM_OPS() macro together with pm_ptr(). This optimizes slightly when CONFIG_PM is disabled, too. Cc: sound-open-firmware@alsa-project.org Signed-off-by: Takashi Iwai <tiwai@suse.de> Reviewed-by: Charles Keepax <ckeepax@opensource.cirrus.com> Link: https://patch.msgid.link/20250317095603.20073-80-tiwai@suse.de Signed-off-by: Mark Brown <broonie@kernel.org>
138 lines
3.1 KiB
C
138 lines
3.1 KiB
C
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
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/*
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* Copyright 2025 NXP
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*/
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#include <linux/arm-smccc.h>
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#include "imx-common.h"
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#define IMX_SIP_SRC 0xC2000005
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#define IMX_SIP_SRC_M_RESET_ADDR_SET 0x03
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#define IMX95_CPU_VEC_FLAGS_BOOT BIT(29)
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#define IMX_SIP_LMM 0xC200000F
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#define IMX_SIP_LMM_BOOT 0x0
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#define IMX_SIP_LMM_SHUTDOWN 0x1
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#define IMX95_M7_LM_ID 0x1
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static struct snd_soc_dai_driver imx95_dai[] = {
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IMX_SOF_DAI_DRV_ENTRY_BIDIR("sai3", 1, 32),
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};
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static struct snd_sof_dsp_ops sof_imx9_ops;
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static int imx95_ops_init(struct snd_sof_dev *sdev)
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{
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/* first copy from template */
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memcpy(&sof_imx9_ops, &sof_imx_ops, sizeof(sof_imx_ops));
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/* ... and finally set DAI driver */
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sof_imx9_ops.drv = get_chip_info(sdev)->drv;
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sof_imx9_ops.num_drv = get_chip_info(sdev)->num_drv;
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return 0;
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}
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static int imx95_chip_probe(struct snd_sof_dev *sdev)
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{
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struct arm_smccc_res smc_res;
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struct platform_device *pdev;
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struct resource *res;
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pdev = to_platform_device(sdev->dev);
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res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "sram");
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if (!res)
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return dev_err_probe(sdev->dev, -ENODEV,
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"failed to fetch SRAM region\n");
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/* set core boot reset address */
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arm_smccc_smc(IMX_SIP_SRC, IMX_SIP_SRC_M_RESET_ADDR_SET, res->start,
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IMX95_CPU_VEC_FLAGS_BOOT, 0, 0, 0, 0, &smc_res);
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return smc_res.a0;
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}
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static int imx95_core_kick(struct snd_sof_dev *sdev)
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{
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struct arm_smccc_res smc_res;
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arm_smccc_smc(IMX_SIP_LMM, IMX_SIP_LMM_BOOT,
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IMX95_M7_LM_ID, 0, 0, 0, 0, 0, &smc_res);
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return smc_res.a0;
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}
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static int imx95_core_shutdown(struct snd_sof_dev *sdev)
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{
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struct arm_smccc_res smc_res;
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arm_smccc_smc(IMX_SIP_LMM, IMX_SIP_LMM_SHUTDOWN,
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IMX95_M7_LM_ID, 0, 0, 0, 0, 0, &smc_res);
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return smc_res.a0;
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}
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static const struct imx_chip_ops imx95_chip_ops = {
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.probe = imx95_chip_probe,
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.core_kick = imx95_core_kick,
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.core_shutdown = imx95_core_shutdown,
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};
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static struct imx_memory_info imx95_memory_regions[] = {
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{ .name = "sram", .reserved = false },
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{ }
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};
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static const struct imx_chip_info imx95_chip_info = {
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.ipc_info = {
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.boot_mbox_offset = 0x6001000,
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.window_offset = 0x6000000,
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},
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.has_dma_reserved = true,
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.memory = imx95_memory_regions,
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.drv = imx95_dai,
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.num_drv = ARRAY_SIZE(imx95_dai),
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.ops = &imx95_chip_ops,
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};
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static struct snd_sof_of_mach sof_imx9_machs[] = {
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{
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.compatible = "fsl,imx95-19x19-evk",
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.sof_tplg_filename = "sof-imx95-wm8962.tplg",
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.drv_name = "asoc-audio-graph-card2",
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},
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{
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}
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};
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IMX_SOF_DEV_DESC(imx95, sof_imx9_machs, &imx95_chip_info, &sof_imx9_ops, imx95_ops_init);
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static const struct of_device_id sof_of_imx9_ids[] = {
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{
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.compatible = "fsl,imx95-cm7-sof",
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.data = &IMX_SOF_DEV_DESC_NAME(imx95),
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},
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{
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},
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};
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MODULE_DEVICE_TABLE(of, sof_of_imx9_ids);
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static struct platform_driver snd_sof_of_imx9_driver = {
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.probe = sof_of_probe,
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.remove = sof_of_remove,
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.driver = {
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.name = "sof-audio-of-imx9",
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.pm = pm_ptr(&sof_of_pm),
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.of_match_table = sof_of_imx9_ids,
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},
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};
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module_platform_driver(snd_sof_of_imx9_driver);
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MODULE_LICENSE("Dual BSD/GPL");
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MODULE_DESCRIPTION("SOF driver for imx9 platforms");
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MODULE_AUTHOR("Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>");
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