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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 | // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) // // Copyright 2019 NXP // // Author: Daniel Baluta <daniel.baluta@nxp.com> // #include <linux/firmware.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/pm_runtime.h> #include <sound/sof.h> #include "ops.h" #include "imx/imx-ops.h" static char *fw_path; module_param(fw_path, charp, 0444); MODULE_PARM_DESC(fw_path, "alternate path for SOF firmware."); static char *tplg_path; module_param(tplg_path, charp, 0444); MODULE_PARM_DESC(tplg_path, "alternate path for SOF topology."); /* platform specific devices */ #if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8) static struct sof_dev_desc sof_of_imx8qxp_desc = { .default_fw_path = "imx/sof", .default_tplg_path = "imx/sof-tplg", .default_fw_filename = "sof-imx8x.ri", .nocodec_tplg_filename = "sof-imx8-nocodec.tplg", .ops = &sof_imx8x_ops, }; static struct sof_dev_desc sof_of_imx8qm_desc = { .default_fw_path = "imx/sof", .default_tplg_path = "imx/sof-tplg", .default_fw_filename = "sof-imx8.ri", .nocodec_tplg_filename = "sof-imx8-nocodec.tplg", .ops = &sof_imx8_ops, }; #endif #if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8M) static struct sof_dev_desc sof_of_imx8mp_desc = { .default_fw_path = "imx/sof", .default_tplg_path = "imx/sof-tplg", .default_fw_filename = "sof-imx8m.ri", .nocodec_tplg_filename = "sof-imx8-nocodec.tplg", .ops = &sof_imx8m_ops, }; #endif static const struct dev_pm_ops sof_of_pm = { .prepare = snd_sof_prepare, .complete = snd_sof_complete, SET_SYSTEM_SLEEP_PM_OPS(snd_sof_suspend, snd_sof_resume) SET_RUNTIME_PM_OPS(snd_sof_runtime_suspend, snd_sof_runtime_resume, NULL) }; static void sof_of_probe_complete(struct device *dev) { /* allow runtime_pm */ pm_runtime_set_autosuspend_delay(dev, SND_SOF_SUSPEND_DELAY_MS); pm_runtime_use_autosuspend(dev); pm_runtime_set_active(dev); pm_runtime_enable(dev); pm_runtime_mark_last_busy(dev); pm_runtime_put_autosuspend(dev); } static int sof_of_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; const struct sof_dev_desc *desc; struct snd_sof_pdata *sof_pdata; dev_info(&pdev->dev, "DT DSP detected"); sof_pdata = devm_kzalloc(dev, sizeof(*sof_pdata), GFP_KERNEL); if (!sof_pdata) return -ENOMEM; desc = device_get_match_data(dev); if (!desc) return -ENODEV; if (!desc->ops) { dev_err(dev, "error: no matching DT descriptor ops\n"); return -ENODEV; } sof_pdata->desc = desc; sof_pdata->dev = &pdev->dev; sof_pdata->fw_filename = desc->default_fw_filename; if (fw_path) sof_pdata->fw_filename_prefix = fw_path; else sof_pdata->fw_filename_prefix = sof_pdata->desc->default_fw_path; if (tplg_path) sof_pdata->tplg_filename_prefix = tplg_path; else sof_pdata->tplg_filename_prefix = sof_pdata->desc->default_tplg_path; /* set callback to be called on successful device probe to enable runtime_pm */ sof_pdata->sof_probe_complete = sof_of_probe_complete; /* call sof helper for DSP hardware probe */ return snd_sof_device_probe(dev, sof_pdata); } static int sof_of_remove(struct platform_device *pdev) { pm_runtime_disable(&pdev->dev); /* call sof helper for DSP hardware remove */ snd_sof_device_remove(&pdev->dev); return 0; } static const struct of_device_id sof_of_ids[] = { #if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8) { .compatible = "fsl,imx8qxp-dsp", .data = &sof_of_imx8qxp_desc}, { .compatible = "fsl,imx8qm-dsp", .data = &sof_of_imx8qm_desc}, #endif #if IS_ENABLED(CONFIG_SND_SOC_SOF_IMX8M) { .compatible = "fsl,imx8mp-dsp", .data = &sof_of_imx8mp_desc}, #endif { } }; MODULE_DEVICE_TABLE(of, sof_of_ids); /* DT driver definition */ static struct platform_driver snd_sof_of_driver = { .probe = sof_of_probe, .remove = sof_of_remove, .driver = { .name = "sof-audio-of", .pm = &sof_of_pm, .of_match_table = sof_of_ids, }, }; module_platform_driver(snd_sof_of_driver); MODULE_LICENSE("Dual BSD/GPL"); |