| Message ID | 20241023162114.3354-4-laurentiumihalcea111@gmail.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | add sof support on imx95 | expand |
On Wed, Oct 23, 2024 at 12:21:13PM -0400, Laurentiu Mihalcea wrote: > From: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com> > > Add SOF driver for imx95. > > Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com> > --- > sound/soc/sof/imx/Kconfig | 8 + > sound/soc/sof/imx/Makefile | 2 + > sound/soc/sof/imx/imx95.c | 383 +++++++++++++++++++++++++++++++++++++ > 3 files changed, 393 insertions(+) > create mode 100644 sound/soc/sof/imx/imx95.c > > diff --git a/sound/soc/sof/imx/Kconfig b/sound/soc/sof/imx/Kconfig > index 4751b04d5e6f..51a70a193533 100644 > --- a/sound/soc/sof/imx/Kconfig > +++ b/sound/soc/sof/imx/Kconfig > @@ -50,4 +50,12 @@ config SND_SOC_SOF_IMX8ULP > Say Y if you have such a device. > If unsure select "N". > > +config SND_SOC_SOF_IMX95 > + tristate "SOF support for i.MX95" > + depends on IMX_DSP > + help > + This adds support for Sound Open Firmware for NXP i.MX95 platforms. > + Say Y if you have such a device. > + If unsure select "N". > + > endif ## SND_SOC_SOF_IMX_TOPLEVEL > diff --git a/sound/soc/sof/imx/Makefile b/sound/soc/sof/imx/Makefile > index be0bf0736dfa..715ac3798668 100644 > --- a/sound/soc/sof/imx/Makefile > +++ b/sound/soc/sof/imx/Makefile > @@ -2,10 +2,12 @@ > snd-sof-imx8-y := imx8.o > snd-sof-imx8m-y := imx8m.o > snd-sof-imx8ulp-y := imx8ulp.o > +snd-sof-imx95-y := imx95.o > > snd-sof-imx-common-y := imx-common.o > > obj-$(CONFIG_SND_SOC_SOF_IMX8) += snd-sof-imx8.o > obj-$(CONFIG_SND_SOC_SOF_IMX8M) += snd-sof-imx8m.o > obj-$(CONFIG_SND_SOC_SOF_IMX8ULP) += snd-sof-imx8ulp.o > +obj-$(CONFIG_SND_SOC_SOF_IMX95) += snd-sof-imx95.o > obj-$(CONFIG_SND_SOC_SOF_IMX_COMMON) += imx-common.o > diff --git a/sound/soc/sof/imx/imx95.c b/sound/soc/sof/imx/imx95.c > new file mode 100644 > index 000000000000..3f7ed6a16c42 > --- /dev/null > +++ b/sound/soc/sof/imx/imx95.c > @@ -0,0 +1,383 @@ > +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) > +/* > + * Copyright 2024 NXP > + */ > + > +#include <linux/module.h> > +#include <linux/of_platform.h> > +#include <sound/sof.h> > +#include <linux/arm-smccc.h> > +#include <linux/firmware/imx/dsp.h> > +#include <linux/of_reserved_mem.h> > +#include <linux/clk.h> sort by alphabet order > + > +#include "../sof-of-dev.h" > +#include "../ops.h" > + > +#define IMX_SIP_SRC 0xC2000005 > +#define IMX_SIP_SRC_M_RESET_ADDR_SET 0x03 > + > +#define IMX95_CPU_VEC_FLAGS_BOOT BIT(29) > + > +#define IMX_SIP_LMM 0xC200000F > +#define IMX_SIP_LMM_BOOT 0x0 > +#define IMX_SIP_LMM_SHUTDOWN 0x1 > + > +#define IMX95_M7_LM_ID 0x1 > + > +#define MBOX_DSPBOX_OFFSET 0x1000 > + > +struct imx95_priv { > + struct platform_device *ipc_dev; > + struct imx_dsp_ipc *ipc_handle; > + resource_size_t bootaddr; > +}; > + > +static void imx95_ipc_handle_reply(struct imx_dsp_ipc *ipc) > +{ > + unsigned long flags; > + struct snd_sof_dev *sdev = imx_dsp_get_data(ipc); > + > + spin_lock_irqsave(&sdev->ipc_lock, flags); > + snd_sof_ipc_process_reply(sdev, 0); > + spin_unlock_irqrestore(&sdev->ipc_lock, flags); > +} > + > +static void imx95_ipc_handle_request(struct imx_dsp_ipc *ipc) > +{ > + snd_sof_ipc_msgs_rx(imx_dsp_get_data(ipc)); > +} > + > +static struct imx_dsp_ops ipc_ops = { > + .handle_reply = imx95_ipc_handle_reply, > + .handle_request = imx95_ipc_handle_request, > +}; > + > +static int imx95_disable_enable_core(bool enable) > +{ > + struct arm_smccc_res res; > + > + if (enable) > + arm_smccc_smc(IMX_SIP_LMM, IMX_SIP_LMM_BOOT, IMX95_M7_LM_ID, > + 0, 0, 0, 0, 0, &res); > + else > + arm_smccc_smc(IMX_SIP_LMM, IMX_SIP_LMM_SHUTDOWN, IMX95_M7_LM_ID, > + 0, 0, 0, 0, 0, &res); > + > + return res.a0; > +} > + > +static int imx95_run(struct snd_sof_dev *sdev) > +{ > + return imx95_disable_enable_core(true); > +} > + > +static int imx95_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg) > +{ > + struct imx95_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->ipc_handle, 0); > + > + return 0; > +} > + > +static int imx95_get_mailbox_offset(struct snd_sof_dev *sdev) > +{ > + return MBOX_DSPBOX_OFFSET; > +} > + > +static int imx95_get_bar_index(struct snd_sof_dev *sdev, u32 type) > +{ > + switch (type) { > + case SOF_FW_BLK_TYPE_SRAM: > + case SOF_FW_BLK_TYPE_DRAM: > + return type; > + default: > + return -EINVAL; > + } > +} > + > +static int imx95_get_window_offset(struct snd_sof_dev *sdev, u32 id) > +{ > + /* no offset for window regions - they are already relative > + * to the mailbox memory region described in DT. > + */ > + return 0; > +} > + > +static int imx95_set_power_state(struct snd_sof_dev *sdev, > + const struct sof_dsp_power_state *target_state) > +{ > + sdev->dsp_power_state = *target_state; > + > + return 0; > +} > + > +/* no other resources to power on during (runtime) resume so these functions > + * don't do any resource management (i.e: clks, PDs, etc...). As for enabling > + * the M7 LM: this is taken care of by run(), which is called during sof_resume(). > + */ > +static int imx95_runtime_resume(struct snd_sof_dev *sdev) > +{ > + const struct sof_dsp_power_state target_state = { > + .state = SOF_DSP_PM_D0, > + }; > + > + return snd_sof_dsp_set_power_state(sdev, &target_state); > +} > + > +static int imx95_resume(struct snd_sof_dev *sdev) > +{ > + const struct sof_dsp_power_state target_state = { > + .state = SOF_DSP_PM_D0, > + }; > + > + 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_state); > +} > + > +static int imx95_runtime_suspend(struct snd_sof_dev *sdev) > +{ > + int ret; > + const struct sof_dsp_power_state target_state = { > + .state = SOF_DSP_PM_D3, > + }; > + > + ret = imx95_disable_enable_core(false); > + if (ret < 0) { > + dev_err(sdev->dev, "failed to disable core: %d\n", ret); > + return ret; > + } > + > + return snd_sof_dsp_set_power_state(sdev, &target_state); > +} > + > +static int imx95_suspend(struct snd_sof_dev *sdev, unsigned int target_state) > +{ > + int ret; > + const struct sof_dsp_power_state target_power_state = { > + .state = target_state, > + }; > + > + if (!pm_runtime_suspended(sdev->dev)) { > + ret = imx95_disable_enable_core(false); > + if (ret < 0) { > + dev_err(sdev->dev, "failed to suspend: %d\n", ret); > + return ret; > + } > + } > + > + return snd_sof_dsp_set_power_state(sdev, &target_power_state); > +} > + > +static struct snd_soc_dai_driver imx95_dai[] = { > + { > + .name = "sai3", > + .playback = { > + .channels_min = 1, > + .channels_max = 32, > + }, > + .capture = { > + .channels_min = 1, > + .channels_max = 32, > + }, > + }, > +}; > + > +static int imx95_probe(struct snd_sof_dev *sdev) > +{ > + struct platform_device *pdev; > + struct imx95_priv *priv; > + struct resource *res; > + struct arm_smccc_res smc_ret; > + int ret; > + > + pdev = container_of(sdev->dev, struct platform_device, dev); > + > + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); > + if (!priv) > + return dev_err_probe(&pdev->dev, -ENOMEM, "failed to alloc priv\n"); > + > + sdev->pdata->hw_pdata = priv; > + > + /* map DRAM */ > + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dram"); > + if (!res) > + return dev_err_probe(&pdev->dev, -ENODEV, > + "failed to fetch DRAM region\n"); > + > + sdev->bar[SOF_FW_BLK_TYPE_DRAM] = devm_ioremap(&pdev->dev, res->start, > + resource_size(res)); > + if (IS_ERR(sdev->bar[SOF_FW_BLK_TYPE_DRAM])) > + return dev_err_probe(&pdev->dev, > + PTR_ERR(sdev->bar[SOF_FW_BLK_TYPE_DRAM]), > + "failed to map DRAM region\n"); > + > + sdev->mmio_bar = SOF_FW_BLK_TYPE_DRAM; > + priv->bootaddr = res->start; > + > + /* map mailbox region */ > + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mailbox"); > + if (!res) > + return dev_err_probe(&pdev->dev, -ENODEV, > + "failed to fetch MAILBOX region\n"); > + > + sdev->bar[SOF_FW_BLK_TYPE_SRAM] = devm_ioremap_wc(&pdev->dev, res->start, > + resource_size(res)); > + if (IS_ERR(sdev->bar[SOF_FW_BLK_TYPE_SRAM])) > + return dev_err_probe(&pdev->dev, > + PTR_ERR(sdev->bar[SOF_FW_BLK_TYPE_SRAM]), > + "failed to map mailbox region\n"); > + > + sdev->mailbox_bar = SOF_FW_BLK_TYPE_SRAM; > + sdev->dsp_box.offset = MBOX_DSPBOX_OFFSET; > + > + ret = of_reserved_mem_device_init(sdev->dev); > + if (ret) > + return dev_err_probe(&pdev->dev, ret, > + "failed to bind DMA region\n"); > + > + priv->ipc_dev = platform_device_register_data(&pdev->dev, "imx-dsp", > + PLATFORM_DEVID_NONE, > + pdev, sizeof(*pdev)); > + if (IS_ERR(priv->ipc_dev)) > + return dev_err_probe(&pdev->dev, PTR_ERR(priv->ipc_dev), > + "failed to create IPC device\n"); > + > + priv->ipc_handle = dev_get_drvdata(&priv->ipc_dev->dev); > + if (!priv->ipc_handle) { > + ret = -EPROBE_DEFER; > + dev_err(&pdev->dev, "failed to fetch ipc handle\n"); > + goto err_unregister_ipc_dev; > + } > + > + priv->ipc_handle->ops = &ipc_ops; > + imx_dsp_set_data(priv->ipc_handle, sdev); > + > + /* set core boot reset address */ > + arm_smccc_smc(IMX_SIP_SRC, IMX_SIP_SRC_M_RESET_ADDR_SET, priv->bootaddr, > + IMX95_CPU_VEC_FLAGS_BOOT, 0, 0, 0, 0, &smc_ret); > + if ((int)smc_ret.a0 < 0) { > + ret = smc_ret.a0; > + dev_err(&pdev->dev, "failed to set boot address: %d", ret); > + goto err_unregister_ipc_dev; > + } > + > + return 0; > + > +err_unregister_ipc_dev: > + platform_device_unregister(priv->ipc_dev); > + > + return ret; > +} > + > +static void imx95_remove(struct snd_sof_dev *sdev) > +{ > + struct imx95_priv *priv; > + > + priv = sdev->pdata->hw_pdata; > + > + if (imx95_disable_enable_core(false)) > + dev_err(sdev->dev, "failed to stop core\n"); > + > + platform_device_unregister(priv->ipc_dev); > +} > + > +static const struct snd_sof_dsp_ops sof_imx95_ops = { > + .probe = imx95_probe, > + .remove = imx95_remove, > + > + /* mandatory "DSP" ops */ > + .run = imx95_run, > + .block_read = sof_block_read, > + .block_write = sof_block_write, > + .send_msg = imx95_send_msg, > + .load_firmware = snd_sof_load_firmware_memcpy, > + .ipc_msg_data = sof_ipc_msg_data, > + > + .mailbox_read = sof_mailbox_read, > + .mailbox_write = sof_mailbox_write, > + > + .get_mailbox_offset = imx95_get_mailbox_offset, > + .get_bar_index = imx95_get_bar_index, > + .get_window_offset = imx95_get_window_offset, > + > + .pcm_open = sof_stream_pcm_open, > + .pcm_close = sof_stream_pcm_close, > + .set_stream_data_offset = sof_set_stream_data_offset, > + > + .runtime_suspend = imx95_runtime_suspend, > + .runtime_resume = imx95_runtime_resume, > + > + .resume = imx95_resume, > + .suspend = imx95_suspend, > + > + .set_power_state = imx95_set_power_state, > + > + .drv = imx95_dai, > + .num_drv = ARRAY_SIZE(imx95_dai), > + > + .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, > +}; > + > +static struct snd_sof_of_mach sof_imx95_machs[] = { > + { > + .compatible = "fsl,imx95-19x19-evk", > + .sof_tplg_filename = "sof-imx95-wm8962.tplg", > + .drv_name = "asoc-audio-graph-card2", > + }, > + { > + }, > +}; > + > +static struct sof_dev_desc sof_of_imx95_desc = { > + .of_machines = sof_imx95_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-imx95.ri", > + }, > + .ops = &sof_imx95_ops, > +}; > + > +static const struct of_device_id sof_of_imx95_ids[] = { > + { .compatible = "fsl,imx95-cm7-sof", .data = &sof_of_imx95_desc }, > + { }, > +}; > +MODULE_DEVICE_TABLE(of, sof_of_imx95_ids); > + > +static struct platform_driver snd_sof_of_imx95_driver = { > + .probe = sof_of_probe, > + .remove = sof_of_remove, > + .driver = { > + .name = "sof-audio-of-imx95", > + .pm = &sof_of_pm, > + .of_match_table = sof_of_imx95_ids, > + }, > +}; > +module_platform_driver(snd_sof_of_imx95_driver); > + > +MODULE_LICENSE("Dual BSD/GPL"); > +MODULE_DESCRIPTION("SOF support for i.MX95 platforms"); > +MODULE_AUTHOR("Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>"); > -- > 2.34.1 >
diff --git a/sound/soc/sof/imx/Kconfig b/sound/soc/sof/imx/Kconfig index 4751b04d5e6f..51a70a193533 100644 --- a/sound/soc/sof/imx/Kconfig +++ b/sound/soc/sof/imx/Kconfig @@ -50,4 +50,12 @@ config SND_SOC_SOF_IMX8ULP Say Y if you have such a device. If unsure select "N". +config SND_SOC_SOF_IMX95 + tristate "SOF support for i.MX95" + depends on IMX_DSP + help + This adds support for Sound Open Firmware for NXP i.MX95 platforms. + Say Y if you have such a device. + If unsure select "N". + endif ## SND_SOC_SOF_IMX_TOPLEVEL diff --git a/sound/soc/sof/imx/Makefile b/sound/soc/sof/imx/Makefile index be0bf0736dfa..715ac3798668 100644 --- a/sound/soc/sof/imx/Makefile +++ b/sound/soc/sof/imx/Makefile @@ -2,10 +2,12 @@ snd-sof-imx8-y := imx8.o snd-sof-imx8m-y := imx8m.o snd-sof-imx8ulp-y := imx8ulp.o +snd-sof-imx95-y := imx95.o snd-sof-imx-common-y := imx-common.o obj-$(CONFIG_SND_SOC_SOF_IMX8) += snd-sof-imx8.o obj-$(CONFIG_SND_SOC_SOF_IMX8M) += snd-sof-imx8m.o obj-$(CONFIG_SND_SOC_SOF_IMX8ULP) += snd-sof-imx8ulp.o +obj-$(CONFIG_SND_SOC_SOF_IMX95) += snd-sof-imx95.o obj-$(CONFIG_SND_SOC_SOF_IMX_COMMON) += imx-common.o diff --git a/sound/soc/sof/imx/imx95.c b/sound/soc/sof/imx/imx95.c new file mode 100644 index 000000000000..3f7ed6a16c42 --- /dev/null +++ b/sound/soc/sof/imx/imx95.c @@ -0,0 +1,383 @@ +// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) +/* + * Copyright 2024 NXP + */ + +#include <linux/module.h> +#include <linux/of_platform.h> +#include <sound/sof.h> +#include <linux/arm-smccc.h> +#include <linux/firmware/imx/dsp.h> +#include <linux/of_reserved_mem.h> +#include <linux/clk.h> + +#include "../sof-of-dev.h" +#include "../ops.h" + +#define IMX_SIP_SRC 0xC2000005 +#define IMX_SIP_SRC_M_RESET_ADDR_SET 0x03 + +#define IMX95_CPU_VEC_FLAGS_BOOT BIT(29) + +#define IMX_SIP_LMM 0xC200000F +#define IMX_SIP_LMM_BOOT 0x0 +#define IMX_SIP_LMM_SHUTDOWN 0x1 + +#define IMX95_M7_LM_ID 0x1 + +#define MBOX_DSPBOX_OFFSET 0x1000 + +struct imx95_priv { + struct platform_device *ipc_dev; + struct imx_dsp_ipc *ipc_handle; + resource_size_t bootaddr; +}; + +static void imx95_ipc_handle_reply(struct imx_dsp_ipc *ipc) +{ + unsigned long flags; + struct snd_sof_dev *sdev = imx_dsp_get_data(ipc); + + spin_lock_irqsave(&sdev->ipc_lock, flags); + snd_sof_ipc_process_reply(sdev, 0); + spin_unlock_irqrestore(&sdev->ipc_lock, flags); +} + +static void imx95_ipc_handle_request(struct imx_dsp_ipc *ipc) +{ + snd_sof_ipc_msgs_rx(imx_dsp_get_data(ipc)); +} + +static struct imx_dsp_ops ipc_ops = { + .handle_reply = imx95_ipc_handle_reply, + .handle_request = imx95_ipc_handle_request, +}; + +static int imx95_disable_enable_core(bool enable) +{ + struct arm_smccc_res res; + + if (enable) + arm_smccc_smc(IMX_SIP_LMM, IMX_SIP_LMM_BOOT, IMX95_M7_LM_ID, + 0, 0, 0, 0, 0, &res); + else + arm_smccc_smc(IMX_SIP_LMM, IMX_SIP_LMM_SHUTDOWN, IMX95_M7_LM_ID, + 0, 0, 0, 0, 0, &res); + + return res.a0; +} + +static int imx95_run(struct snd_sof_dev *sdev) +{ + return imx95_disable_enable_core(true); +} + +static int imx95_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg) +{ + struct imx95_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->ipc_handle, 0); + + return 0; +} + +static int imx95_get_mailbox_offset(struct snd_sof_dev *sdev) +{ + return MBOX_DSPBOX_OFFSET; +} + +static int imx95_get_bar_index(struct snd_sof_dev *sdev, u32 type) +{ + switch (type) { + case SOF_FW_BLK_TYPE_SRAM: + case SOF_FW_BLK_TYPE_DRAM: + return type; + default: + return -EINVAL; + } +} + +static int imx95_get_window_offset(struct snd_sof_dev *sdev, u32 id) +{ + /* no offset for window regions - they are already relative + * to the mailbox memory region described in DT. + */ + return 0; +} + +static int imx95_set_power_state(struct snd_sof_dev *sdev, + const struct sof_dsp_power_state *target_state) +{ + sdev->dsp_power_state = *target_state; + + return 0; +} + +/* no other resources to power on during (runtime) resume so these functions + * don't do any resource management (i.e: clks, PDs, etc...). As for enabling + * the M7 LM: this is taken care of by run(), which is called during sof_resume(). + */ +static int imx95_runtime_resume(struct snd_sof_dev *sdev) +{ + const struct sof_dsp_power_state target_state = { + .state = SOF_DSP_PM_D0, + }; + + return snd_sof_dsp_set_power_state(sdev, &target_state); +} + +static int imx95_resume(struct snd_sof_dev *sdev) +{ + const struct sof_dsp_power_state target_state = { + .state = SOF_DSP_PM_D0, + }; + + 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_state); +} + +static int imx95_runtime_suspend(struct snd_sof_dev *sdev) +{ + int ret; + const struct sof_dsp_power_state target_state = { + .state = SOF_DSP_PM_D3, + }; + + ret = imx95_disable_enable_core(false); + if (ret < 0) { + dev_err(sdev->dev, "failed to disable core: %d\n", ret); + return ret; + } + + return snd_sof_dsp_set_power_state(sdev, &target_state); +} + +static int imx95_suspend(struct snd_sof_dev *sdev, unsigned int target_state) +{ + int ret; + const struct sof_dsp_power_state target_power_state = { + .state = target_state, + }; + + if (!pm_runtime_suspended(sdev->dev)) { + ret = imx95_disable_enable_core(false); + if (ret < 0) { + dev_err(sdev->dev, "failed to suspend: %d\n", ret); + return ret; + } + } + + return snd_sof_dsp_set_power_state(sdev, &target_power_state); +} + +static struct snd_soc_dai_driver imx95_dai[] = { + { + .name = "sai3", + .playback = { + .channels_min = 1, + .channels_max = 32, + }, + .capture = { + .channels_min = 1, + .channels_max = 32, + }, + }, +}; + +static int imx95_probe(struct snd_sof_dev *sdev) +{ + struct platform_device *pdev; + struct imx95_priv *priv; + struct resource *res; + struct arm_smccc_res smc_ret; + int ret; + + pdev = container_of(sdev->dev, struct platform_device, dev); + + priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return dev_err_probe(&pdev->dev, -ENOMEM, "failed to alloc priv\n"); + + sdev->pdata->hw_pdata = priv; + + /* map DRAM */ + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dram"); + if (!res) + return dev_err_probe(&pdev->dev, -ENODEV, + "failed to fetch DRAM region\n"); + + sdev->bar[SOF_FW_BLK_TYPE_DRAM] = devm_ioremap(&pdev->dev, res->start, + resource_size(res)); + if (IS_ERR(sdev->bar[SOF_FW_BLK_TYPE_DRAM])) + return dev_err_probe(&pdev->dev, + PTR_ERR(sdev->bar[SOF_FW_BLK_TYPE_DRAM]), + "failed to map DRAM region\n"); + + sdev->mmio_bar = SOF_FW_BLK_TYPE_DRAM; + priv->bootaddr = res->start; + + /* map mailbox region */ + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mailbox"); + if (!res) + return dev_err_probe(&pdev->dev, -ENODEV, + "failed to fetch MAILBOX region\n"); + + sdev->bar[SOF_FW_BLK_TYPE_SRAM] = devm_ioremap_wc(&pdev->dev, res->start, + resource_size(res)); + if (IS_ERR(sdev->bar[SOF_FW_BLK_TYPE_SRAM])) + return dev_err_probe(&pdev->dev, + PTR_ERR(sdev->bar[SOF_FW_BLK_TYPE_SRAM]), + "failed to map mailbox region\n"); + + sdev->mailbox_bar = SOF_FW_BLK_TYPE_SRAM; + sdev->dsp_box.offset = MBOX_DSPBOX_OFFSET; + + ret = of_reserved_mem_device_init(sdev->dev); + if (ret) + return dev_err_probe(&pdev->dev, ret, + "failed to bind DMA region\n"); + + priv->ipc_dev = platform_device_register_data(&pdev->dev, "imx-dsp", + PLATFORM_DEVID_NONE, + pdev, sizeof(*pdev)); + if (IS_ERR(priv->ipc_dev)) + return dev_err_probe(&pdev->dev, PTR_ERR(priv->ipc_dev), + "failed to create IPC device\n"); + + priv->ipc_handle = dev_get_drvdata(&priv->ipc_dev->dev); + if (!priv->ipc_handle) { + ret = -EPROBE_DEFER; + dev_err(&pdev->dev, "failed to fetch ipc handle\n"); + goto err_unregister_ipc_dev; + } + + priv->ipc_handle->ops = &ipc_ops; + imx_dsp_set_data(priv->ipc_handle, sdev); + + /* set core boot reset address */ + arm_smccc_smc(IMX_SIP_SRC, IMX_SIP_SRC_M_RESET_ADDR_SET, priv->bootaddr, + IMX95_CPU_VEC_FLAGS_BOOT, 0, 0, 0, 0, &smc_ret); + if ((int)smc_ret.a0 < 0) { + ret = smc_ret.a0; + dev_err(&pdev->dev, "failed to set boot address: %d", ret); + goto err_unregister_ipc_dev; + } + + return 0; + +err_unregister_ipc_dev: + platform_device_unregister(priv->ipc_dev); + + return ret; +} + +static void imx95_remove(struct snd_sof_dev *sdev) +{ + struct imx95_priv *priv; + + priv = sdev->pdata->hw_pdata; + + if (imx95_disable_enable_core(false)) + dev_err(sdev->dev, "failed to stop core\n"); + + platform_device_unregister(priv->ipc_dev); +} + +static const struct snd_sof_dsp_ops sof_imx95_ops = { + .probe = imx95_probe, + .remove = imx95_remove, + + /* mandatory "DSP" ops */ + .run = imx95_run, + .block_read = sof_block_read, + .block_write = sof_block_write, + .send_msg = imx95_send_msg, + .load_firmware = snd_sof_load_firmware_memcpy, + .ipc_msg_data = sof_ipc_msg_data, + + .mailbox_read = sof_mailbox_read, + .mailbox_write = sof_mailbox_write, + + .get_mailbox_offset = imx95_get_mailbox_offset, + .get_bar_index = imx95_get_bar_index, + .get_window_offset = imx95_get_window_offset, + + .pcm_open = sof_stream_pcm_open, + .pcm_close = sof_stream_pcm_close, + .set_stream_data_offset = sof_set_stream_data_offset, + + .runtime_suspend = imx95_runtime_suspend, + .runtime_resume = imx95_runtime_resume, + + .resume = imx95_resume, + .suspend = imx95_suspend, + + .set_power_state = imx95_set_power_state, + + .drv = imx95_dai, + .num_drv = ARRAY_SIZE(imx95_dai), + + .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, +}; + +static struct snd_sof_of_mach sof_imx95_machs[] = { + { + .compatible = "fsl,imx95-19x19-evk", + .sof_tplg_filename = "sof-imx95-wm8962.tplg", + .drv_name = "asoc-audio-graph-card2", + }, + { + }, +}; + +static struct sof_dev_desc sof_of_imx95_desc = { + .of_machines = sof_imx95_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-imx95.ri", + }, + .ops = &sof_imx95_ops, +}; + +static const struct of_device_id sof_of_imx95_ids[] = { + { .compatible = "fsl,imx95-cm7-sof", .data = &sof_of_imx95_desc }, + { }, +}; +MODULE_DEVICE_TABLE(of, sof_of_imx95_ids); + +static struct platform_driver snd_sof_of_imx95_driver = { + .probe = sof_of_probe, + .remove = sof_of_remove, + .driver = { + .name = "sof-audio-of-imx95", + .pm = &sof_of_pm, + .of_match_table = sof_of_imx95_ids, + }, +}; +module_platform_driver(snd_sof_of_imx95_driver); + +MODULE_LICENSE("Dual BSD/GPL"); +MODULE_DESCRIPTION("SOF support for i.MX95 platforms"); +MODULE_AUTHOR("Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>");