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-rw-r--r--sound/soc/sof/imx/Kconfig50
-rw-r--r--sound/soc/sof/imx/Makefile2
-rw-r--r--sound/soc/sof/imx/imx-common.c28
-rw-r--r--sound/soc/sof/imx/imx-common.h11
-rw-r--r--sound/soc/sof/imx/imx-ops.h10
-rw-r--r--sound/soc/sof/imx/imx8.c248
-rw-r--r--sound/soc/sof/imx/imx8m.c275
-rw-r--r--sound/soc/sof/imx/imx8ulp.c515
8 files changed, 1003 insertions, 136 deletions
diff --git a/sound/soc/sof/imx/Kconfig b/sound/soc/sof/imx/Kconfig
index 34cf228c188f..4751b04d5e6f 100644
--- a/sound/soc/sof/imx/Kconfig
+++ b/sound/soc/sof/imx/Kconfig
@@ -11,53 +11,43 @@ config SND_SOC_SOF_IMX_TOPLEVEL
if SND_SOC_SOF_IMX_TOPLEVEL
-config SND_SOC_SOF_IMX_OF
- def_tristate SND_SOC_SOF_OF
- select SND_SOC_SOF_IMX8 if SND_SOC_SOF_IMX8_SUPPORT
- select SND_SOC_SOF_IMX8M if SND_SOC_SOF_IMX8M_SUPPORT
- help
- This option is not user-selectable but automagically handled by
- 'select' statements at a higher level.
-
config SND_SOC_SOF_IMX_COMMON
tristate
+ select SND_SOC_SOF_OF_DEV
+ select SND_SOC_SOF
+ select SND_SOC_SOF_IPC3
+ select SND_SOC_SOF_XTENSA
+ select SND_SOC_SOF_COMPRESS
help
This option is not user-selectable but automagically handled by
'select' statements at a higher level.
-config SND_SOC_SOF_IMX8_SUPPORT
- bool "SOF support for i.MX8"
- depends on IMX_SCU=y || IMX_SCU=SND_SOC_SOF_IMX_OF
- depends on IMX_DSP=y || IMX_DSP=SND_SOC_SOF_IMX_OF
+config SND_SOC_SOF_IMX8
+ tristate "SOF support for i.MX8"
+ depends on IMX_SCU
+ depends on IMX_DSP
+ select SND_SOC_SOF_IMX_COMMON
help
This adds support for Sound Open Firmware for NXP i.MX8 platforms.
Say Y if you have such a device.
If unsure select "N".
-config SND_SOC_SOF_IMX8
- tristate
+config SND_SOC_SOF_IMX8M
+ tristate "SOF support for i.MX8M"
+ depends on IMX_DSP
select SND_SOC_SOF_IMX_COMMON
- select SND_SOC_SOF_XTENSA
- select SND_SOC_SOF_COMPRESS
- help
- This option is not user-selectable but automagically handled by
- 'select' statements at a higher level.
-
-config SND_SOC_SOF_IMX8M_SUPPORT
- bool "SOF support for i.MX8M"
- depends on IMX_DSP=y || IMX_DSP=SND_SOC_SOF_OF
help
This adds support for Sound Open Firmware for NXP i.MX8M platforms.
Say Y if you have such a device.
If unsure select "N".
-config SND_SOC_SOF_IMX8M
- tristate
+config SND_SOC_SOF_IMX8ULP
+ tristate "SOF support for i.MX8ULP"
+ depends on IMX_DSP
select SND_SOC_SOF_IMX_COMMON
- select SND_SOC_SOF_XTENSA
- select SND_SOC_SOF_COMPRESS
help
- This option is not user-selectable but automagically handled by
- 'select' statements at a higher level.
+ This adds support for Sound Open Firmware for NXP i.MX8ULP platforms.
+ Say Y if you have such a device.
+ If unsure select "N".
-endif ## SND_SOC_SOF_IMX_IMX_TOPLEVEL
+endif ## SND_SOC_SOF_IMX_TOPLEVEL
diff --git a/sound/soc/sof/imx/Makefile b/sound/soc/sof/imx/Makefile
index dba93c3466ec..798b43a415bf 100644
--- a/sound/soc/sof/imx/Makefile
+++ b/sound/soc/sof/imx/Makefile
@@ -1,9 +1,11 @@
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
snd-sof-imx8-objs := imx8.o
snd-sof-imx8m-objs := imx8m.o
+snd-sof-imx8ulp-objs := imx8ulp.o
snd-sof-imx-common-objs := 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_IMX_COMMON) += imx-common.o
diff --git a/sound/soc/sof/imx/imx-common.c b/sound/soc/sof/imx/imx-common.c
index 8826ef94f04a..36e3d414a18f 100644
--- a/sound/soc/sof/imx/imx-common.c
+++ b/sound/soc/sof/imx/imx-common.c
@@ -69,9 +69,33 @@ void imx8_dump(struct snd_sof_dev *sdev, u32 flags)
IMX8_STACK_DUMP_SIZE);
/* Print the information to the console */
- snd_sof_get_status(sdev, status, status, &xoops, &panic_info, stack,
- IMX8_STACK_DUMP_SIZE);
+ sof_print_oops_and_stack(sdev, KERN_ERR, status, status, &xoops,
+ &panic_info, stack, IMX8_STACK_DUMP_SIZE);
}
EXPORT_SYMBOL(imx8_dump);
+int imx8_parse_clocks(struct snd_sof_dev *sdev, struct imx_clocks *clks)
+{
+ int ret;
+
+ ret = devm_clk_bulk_get(sdev->dev, clks->num_dsp_clks, clks->dsp_clks);
+ if (ret)
+ dev_err(sdev->dev, "Failed to request DSP clocks\n");
+
+ return ret;
+}
+EXPORT_SYMBOL(imx8_parse_clocks);
+
+int imx8_enable_clocks(struct snd_sof_dev *sdev, struct imx_clocks *clks)
+{
+ return clk_bulk_prepare_enable(clks->num_dsp_clks, clks->dsp_clks);
+}
+EXPORT_SYMBOL(imx8_enable_clocks);
+
+void imx8_disable_clocks(struct snd_sof_dev *sdev, struct imx_clocks *clks)
+{
+ clk_bulk_disable_unprepare(clks->num_dsp_clks, clks->dsp_clks);
+}
+EXPORT_SYMBOL(imx8_disable_clocks);
+
MODULE_LICENSE("Dual BSD/GPL");
diff --git a/sound/soc/sof/imx/imx-common.h b/sound/soc/sof/imx/imx-common.h
index 1cc7d6704182..ec4b3a5c7496 100644
--- a/sound/soc/sof/imx/imx-common.h
+++ b/sound/soc/sof/imx/imx-common.h
@@ -3,6 +3,8 @@
#ifndef __IMX_COMMON_H__
#define __IMX_COMMON_H__
+#include <linux/clk.h>
+
#define EXCEPT_MAX_HDR_SIZE 0x400
#define IMX8_STACK_DUMP_SIZE 32
@@ -13,4 +15,13 @@ void imx8_get_registers(struct snd_sof_dev *sdev,
void imx8_dump(struct snd_sof_dev *sdev, u32 flags);
+struct imx_clocks {
+ struct clk_bulk_data *dsp_clks;
+ int num_dsp_clks;
+};
+
+int imx8_parse_clocks(struct snd_sof_dev *sdev, struct imx_clocks *clks);
+int imx8_enable_clocks(struct snd_sof_dev *sdev, struct imx_clocks *clks);
+void imx8_disable_clocks(struct snd_sof_dev *sdev, struct imx_clocks *clks);
+
#endif
diff --git a/sound/soc/sof/imx/imx-ops.h b/sound/soc/sof/imx/imx-ops.h
deleted file mode 100644
index 24235ef8c8fa..000000000000
--- a/sound/soc/sof/imx/imx-ops.h
+++ /dev/null
@@ -1,10 +0,0 @@
-/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) */
-
-#ifndef __IMX_OPS_H__
-#define __IMX_OPS_H__
-
-extern struct snd_sof_dsp_ops sof_imx8_ops;
-extern struct snd_sof_dsp_ops sof_imx8x_ops;
-extern struct snd_sof_dsp_ops sof_imx8m_ops;
-
-#endif
diff --git a/sound/soc/sof/imx/imx8.c b/sound/soc/sof/imx/imx8.c
index dd59a74480d6..2844d9a8040a 100644
--- a/sound/soc/sof/imx/imx8.c
+++ b/sound/soc/sof/imx/imx8.c
@@ -21,8 +21,8 @@
#include <linux/firmware/imx/svc/misc.h>
#include <dt-bindings/firmware/imx/rsrc.h>
#include "../ops.h"
+#include "../sof-of-dev.h"
#include "imx-common.h"
-#include "imx-ops.h"
/* DSP memories */
#define IRAM_OFFSET 0x10000
@@ -41,6 +41,13 @@
#define MBOX_OFFSET 0x800000
#define MBOX_SIZE 0x1000
+/* DSP clocks */
+static struct clk_bulk_data imx8_dsp_clks[] = {
+ { .id = "ipg" },
+ { .id = "ocram" },
+ { .id = "core" },
+};
+
struct imx8_priv {
struct device *dev;
struct snd_sof_dev *sdev;
@@ -57,42 +64,9 @@ struct imx8_priv {
struct device **pd_dev;
struct device_link **link;
+ struct imx_clocks *clks;
};
-static void imx8_get_reply(struct snd_sof_dev *sdev)
-{
- struct snd_sof_ipc_msg *msg = sdev->msg;
- struct sof_ipc_reply reply;
- int ret = 0;
-
- if (!msg) {
- dev_warn(sdev->dev, "unexpected ipc interrupt\n");
- return;
- }
-
- /* get reply */
- sof_mailbox_read(sdev, sdev->host_box.offset, &reply, sizeof(reply));
-
- if (reply.error < 0) {
- memcpy(msg->reply_data, &reply, sizeof(reply));
- ret = reply.error;
- } else {
- /* reply has correct size? */
- if (reply.hdr.size != msg->reply_size) {
- dev_err(sdev->dev, "error: reply expected %zu got %u bytes\n",
- msg->reply_size, reply.hdr.size);
- ret = -EINVAL;
- }
-
- /* read the message */
- if (msg->reply_size > 0)
- sof_mailbox_read(sdev, sdev->host_box.offset,
- msg->reply_data, msg->reply_size);
- }
-
- msg->reply_error = ret;
-}
-
static int imx8_get_mailbox_offset(struct snd_sof_dev *sdev)
{
return MBOX_OFFSET;
@@ -109,8 +83,7 @@ static void imx8_dsp_handle_reply(struct imx_dsp_ipc *ipc)
unsigned long flags;
spin_lock_irqsave(&priv->sdev->ipc_lock, flags);
- imx8_get_reply(priv->sdev);
- snd_sof_ipc_reply(priv->sdev, 0);
+ snd_sof_ipc_process_reply(priv->sdev, 0);
spin_unlock_irqrestore(&priv->sdev->ipc_lock, flags);
}
@@ -124,7 +97,7 @@ static void imx8_dsp_handle_request(struct imx_dsp_ipc *ipc)
/* 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);
+ snd_sof_dsp_panic(priv->sdev, p, true);
else
snd_sof_ipc_msgs_rx(priv->sdev);
}
@@ -223,6 +196,11 @@ static int imx8_probe(struct snd_sof_dev *sdev)
if (!priv)
return -ENOMEM;
+ priv->clks = devm_kzalloc(&pdev->dev, sizeof(*priv->clks), GFP_KERNEL);
+ if (!priv->clks)
+ return -ENOMEM;
+
+ sdev->num_cores = 1;
sdev->pdata->hw_pdata = priv;
priv->dev = sdev->dev;
priv->sdev = sdev;
@@ -335,6 +313,18 @@ static int imx8_probe(struct snd_sof_dev *sdev)
/* set default mailbox offset for FW ready message */
sdev->dsp_box.offset = MBOX_OFFSET;
+ /* init clocks info */
+ priv->clks->dsp_clks = imx8_dsp_clks;
+ priv->clks->num_dsp_clks = ARRAY_SIZE(imx8_dsp_clks);
+
+ ret = imx8_parse_clocks(sdev, priv->clks);
+ if (ret < 0)
+ goto exit_pdev_unregister;
+
+ ret = imx8_enable_clocks(sdev, priv->clks);
+ if (ret < 0)
+ goto exit_pdev_unregister;
+
return 0;
exit_pdev_unregister:
@@ -353,6 +343,7 @@ static int imx8_remove(struct snd_sof_dev *sdev)
struct imx8_priv *priv = sdev->pdata->hw_pdata;
int i;
+ imx8_disable_clocks(sdev, priv->clks);
platform_device_unregister(priv->ipc_dev);
for (i = 0; i < priv->num_domains; i++) {
@@ -376,6 +367,92 @@ static int imx8_get_bar_index(struct snd_sof_dev *sdev, u32 type)
}
}
+static void imx8_suspend(struct snd_sof_dev *sdev)
+{
+ int i;
+ struct imx8_priv *priv = (struct imx8_priv *)sdev->pdata->hw_pdata;
+
+ for (i = 0; i < DSP_MU_CHAN_NUM; i++)
+ imx_dsp_free_channel(priv->dsp_ipc, i);
+
+ imx8_disable_clocks(sdev, priv->clks);
+}
+
+static int imx8_resume(struct snd_sof_dev *sdev)
+{
+ struct imx8_priv *priv = (struct imx8_priv *)sdev->pdata->hw_pdata;
+ int ret;
+ int i;
+
+ ret = imx8_enable_clocks(sdev, priv->clks);
+ if (ret < 0)
+ return ret;
+
+ for (i = 0; i < DSP_MU_CHAN_NUM; i++)
+ imx_dsp_request_channel(priv->dsp_ipc, i);
+
+ return 0;
+}
+
+static int imx8_dsp_runtime_resume(struct snd_sof_dev *sdev)
+{
+ int ret;
+ const struct sof_dsp_power_state target_dsp_state = {
+ .state = SOF_DSP_PM_D0,
+ };
+
+ ret = imx8_resume(sdev);
+ if (ret < 0)
+ return ret;
+
+ return snd_sof_dsp_set_power_state(sdev, &target_dsp_state);
+}
+
+static int imx8_dsp_runtime_suspend(struct snd_sof_dev *sdev)
+{
+ const struct sof_dsp_power_state target_dsp_state = {
+ .state = SOF_DSP_PM_D3,
+ };
+
+ imx8_suspend(sdev);
+
+ return snd_sof_dsp_set_power_state(sdev, &target_dsp_state);
+}
+
+static int imx8_dsp_suspend(struct snd_sof_dev *sdev, unsigned int target_state)
+{
+ const struct sof_dsp_power_state target_dsp_state = {
+ .state = target_state,
+ };
+
+ if (!pm_runtime_suspended(sdev->dev))
+ imx8_suspend(sdev);
+
+ return snd_sof_dsp_set_power_state(sdev, &target_dsp_state);
+}
+
+static int imx8_dsp_resume(struct snd_sof_dev *sdev)
+{
+ int ret;
+ const struct sof_dsp_power_state target_dsp_state = {
+ .state = SOF_DSP_PM_D0,
+ };
+
+ ret = imx8_resume(sdev);
+ if (ret < 0)
+ return ret;
+
+ 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 imx8_dai[] = {
{
.name = "esai0",
@@ -401,8 +478,16 @@ static struct snd_soc_dai_driver imx8_dai[] = {
},
};
+static int imx8_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 */
-struct snd_sof_dsp_ops sof_imx8_ops = {
+static struct snd_sof_dsp_ops sof_imx8_ops = {
/* probe and remove */
.probe = imx8_probe,
.remove = imx8_remove,
@@ -419,16 +504,14 @@ struct snd_sof_dsp_ops sof_imx8_ops = {
/* ipc */
.send_msg = imx8_send_msg,
- .fw_ready = sof_fw_ready,
.get_mailbox_offset = imx8_get_mailbox_offset,
.get_window_offset = imx8_get_window_offset,
.ipc_msg_data = sof_ipc_msg_data,
- .ipc_pcm_params = sof_ipc_pcm_params,
+ .set_stream_data_offset = sof_set_stream_data_offset,
- /* module loading */
- .load_module = snd_sof_parse_module_memcpy,
.get_bar_index = imx8_get_bar_index,
+
/* firmware loading */
.load_firmware = snd_sof_load_firmware_memcpy,
@@ -453,11 +536,19 @@ struct snd_sof_dsp_ops sof_imx8_ops = {
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_PAUSE |
SNDRV_PCM_INFO_NO_PERIOD_WAKEUP,
+
+ /* PM */
+ .runtime_suspend = imx8_dsp_runtime_suspend,
+ .runtime_resume = imx8_dsp_runtime_resume,
+
+ .suspend = imx8_dsp_suspend,
+ .resume = imx8_dsp_resume,
+
+ .set_power_state = imx8_dsp_set_power_state,
};
-EXPORT_SYMBOL(sof_imx8_ops);
/* i.MX8X ops */
-struct snd_sof_dsp_ops sof_imx8x_ops = {
+static struct snd_sof_dsp_ops sof_imx8x_ops = {
/* probe and remove */
.probe = imx8_probe,
.remove = imx8_remove,
@@ -474,16 +565,14 @@ struct snd_sof_dsp_ops sof_imx8x_ops = {
/* ipc */
.send_msg = imx8_send_msg,
- .fw_ready = sof_fw_ready,
.get_mailbox_offset = imx8_get_mailbox_offset,
.get_window_offset = imx8_get_window_offset,
.ipc_msg_data = sof_ipc_msg_data,
- .ipc_pcm_params = sof_ipc_pcm_params,
+ .set_stream_data_offset = sof_set_stream_data_offset,
- /* module loading */
- .load_module = snd_sof_parse_module_memcpy,
.get_bar_index = imx8_get_bar_index,
+
/* firmware loading */
.load_firmware = snd_sof_load_firmware_memcpy,
@@ -502,6 +591,15 @@ struct snd_sof_dsp_ops sof_imx8x_ops = {
.drv = imx8_dai,
.num_drv = ARRAY_SIZE(imx8_dai),
+ /* PM */
+ .runtime_suspend = imx8_dsp_runtime_suspend,
+ .runtime_resume = imx8_dsp_runtime_resume,
+
+ .suspend = imx8_dsp_suspend,
+ .resume = imx8_dsp_resume,
+
+ .set_power_state = imx8_dsp_set_power_state,
+
/* ALSA HW info flags */
.hw_info = SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID |
@@ -509,7 +607,57 @@ struct snd_sof_dsp_ops sof_imx8x_ops = {
SNDRV_PCM_INFO_PAUSE |
SNDRV_PCM_INFO_NO_PERIOD_WAKEUP
};
-EXPORT_SYMBOL(sof_imx8x_ops);
+
+static struct sof_dev_desc sof_of_imx8qxp_desc = {
+ .ipc_supported_mask = BIT(SOF_IPC),
+ .ipc_default = SOF_IPC,
+ .default_fw_path = {
+ [SOF_IPC] = "imx/sof",
+ },
+ .default_tplg_path = {
+ [SOF_IPC] = "imx/sof-tplg",
+ },
+ .default_fw_filename = {
+ [SOF_IPC] = "sof-imx8x.ri",
+ },
+ .nocodec_tplg_filename = "sof-imx8-nocodec.tplg",
+ .ops = &sof_imx8x_ops,
+};
+
+static struct sof_dev_desc sof_of_imx8qm_desc = {
+ .ipc_supported_mask = BIT(SOF_IPC),
+ .ipc_default = SOF_IPC,
+ .default_fw_path = {
+ [SOF_IPC] = "imx/sof",
+ },
+ .default_tplg_path = {
+ [SOF_IPC] = "imx/sof-tplg",
+ },
+ .default_fw_filename = {
+ [SOF_IPC] = "sof-imx8.ri",
+ },
+ .nocodec_tplg_filename = "sof-imx8-nocodec.tplg",
+ .ops = &sof_imx8_ops,
+};
+
+static const struct of_device_id sof_of_imx8_ids[] = {
+ { .compatible = "fsl,imx8qxp-dsp", .data = &sof_of_imx8qxp_desc},
+ { .compatible = "fsl,imx8qm-dsp", .data = &sof_of_imx8qm_desc},
+ { }
+};
+MODULE_DEVICE_TABLE(of, sof_of_imx8_ids);
+
+/* DT driver definition */
+static struct platform_driver snd_sof_of_imx8_driver = {
+ .probe = sof_of_probe,
+ .remove = sof_of_remove,
+ .driver = {
+ .name = "sof-audio-of-imx8",
+ .pm = &sof_of_pm,
+ .of_match_table = sof_of_imx8_ids,
+ },
+};
+module_platform_driver(snd_sof_of_imx8_driver);
MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
MODULE_LICENSE("Dual BSD/GPL");
diff --git a/sound/soc/sof/imx/imx8m.c b/sound/soc/sof/imx/imx8m.c
index e4618980cf8b..1243f8a6141e 100644
--- a/sound/soc/sof/imx/imx8m.c
+++ b/sound/soc/sof/imx/imx8m.c
@@ -6,10 +6,13 @@
//
// Hardware interface for audio DSP on i.MX8M
+#include <linux/bits.h>
#include <linux/firmware.h>
+#include <linux/mfd/syscon.h>
#include <linux/of_platform.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
+#include <linux/regmap.h>
#include <linux/module.h>
#include <sound/sof.h>
@@ -17,12 +20,32 @@
#include <linux/firmware/imx/dsp.h>
#include "../ops.h"
+#include "../sof-of-dev.h"
#include "imx-common.h"
-#include "imx-ops.h"
#define MBOX_OFFSET 0x800000
#define MBOX_SIZE 0x1000
+static struct clk_bulk_data imx8m_dsp_clks[] = {
+ { .id = "ipg" },
+ { .id = "ocram" },
+ { .id = "core" },
+};
+
+/* DAP registers */
+#define IMX8M_DAP_DEBUG 0x28800000
+#define IMX8M_DAP_DEBUG_SIZE (64 * 1024)
+#define IMX8M_DAP_PWRCTL (0x4000 + 0x3020)
+#define IMX8M_PWRCTL_CORERESET BIT(16)
+
+/* DSP audio mix registers */
+#define AudioDSP_REG0 0x100
+#define AudioDSP_REG1 0x104
+#define AudioDSP_REG2 0x108
+#define AudioDSP_REG3 0x10c
+
+#define AudioDSP_REG2_RUNSTALL BIT(5)
+
struct imx8m_priv {
struct device *dev;
struct snd_sof_dev *sdev;
@@ -30,41 +53,12 @@ struct imx8m_priv {
/* DSP IPC handler */
struct imx_dsp_ipc *dsp_ipc;
struct platform_device *ipc_dev;
-};
-static void imx8m_get_reply(struct snd_sof_dev *sdev)
-{
- struct snd_sof_ipc_msg *msg = sdev->msg;
- struct sof_ipc_reply reply;
- int ret = 0;
-
- if (!msg) {
- dev_warn(sdev->dev, "unexpected ipc interrupt\n");
- return;
- }
-
- /* get reply */
- sof_mailbox_read(sdev, sdev->host_box.offset, &reply, sizeof(reply));
+ struct imx_clocks *clks;
- if (reply.error < 0) {
- memcpy(msg->reply_data, &reply, sizeof(reply));
- ret = reply.error;
- } else {
- /* reply has correct size? */
- if (reply.hdr.size != msg->reply_size) {
- dev_err(sdev->dev, "error: reply expected %zu got %u bytes\n",
- msg->reply_size, reply.hdr.size);
- ret = -EINVAL;
- }
-
- /* read the message */
- if (msg->reply_size > 0)
- sof_mailbox_read(sdev, sdev->host_box.offset,
- msg->reply_data, msg->reply_size);
- }
-
- msg->reply_error = ret;
-}
+ void __iomem *dap;
+ struct regmap *regmap;
+};
static int imx8m_get_mailbox_offset(struct snd_sof_dev *sdev)
{
@@ -82,8 +76,7 @@ static void imx8m_dsp_handle_reply(struct imx_dsp_ipc *ipc)
unsigned long flags;
spin_lock_irqsave(&priv->sdev->ipc_lock, flags);
- imx8m_get_reply(priv->sdev);
- snd_sof_ipc_reply(priv->sdev, 0);
+ snd_sof_ipc_process_reply(priv->sdev, 0);
spin_unlock_irqrestore(&priv->sdev->ipc_lock, flags);
}
@@ -97,7 +90,7 @@ static void imx8m_dsp_handle_request(struct imx_dsp_ipc *ipc)
/* 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);
+ snd_sof_dsp_panic(priv->sdev, p, true);
else
snd_sof_ipc_msgs_rx(priv->sdev);
}
@@ -123,7 +116,34 @@ static int imx8m_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg)
*/
static int imx8m_run(struct snd_sof_dev *sdev)
{
- /* TODO: start DSP using Audio MIX bits */
+ struct imx8m_priv *priv = (struct imx8m_priv *)sdev->pdata->hw_pdata;
+
+ regmap_update_bits(priv->regmap, AudioDSP_REG2, AudioDSP_REG2_RUNSTALL, 0);
+
+ return 0;
+}
+
+static int imx8m_reset(struct snd_sof_dev *sdev)
+{
+ struct imx8m_priv *priv = (struct imx8m_priv *)sdev->pdata->hw_pdata;
+ u32 pwrctl;
+
+ /* put DSP into reset and stall */
+ pwrctl = readl(priv->dap + IMX8M_DAP_PWRCTL);
+ pwrctl |= IMX8M_PWRCTL_CORERESET;
+ writel(pwrctl, priv->dap + IMX8M_DAP_PWRCTL);
+
+ /* keep reset asserted for 10 cycles */
+ usleep_range(1, 2);
+
+ regmap_update_bits(priv->regmap, AudioDSP_REG2,
+ AudioDSP_REG2_RUNSTALL, AudioDSP_REG2_RUNSTALL);
+
+ /* take the DSP out of reset and keep stalled for FW loading */
+ pwrctl = readl(priv->dap + IMX8M_DAP_PWRCTL);
+ pwrctl &= ~IMX8M_PWRCTL_CORERESET;
+ writel(pwrctl, priv->dap + IMX8M_DAP_PWRCTL);
+
return 0;
}
@@ -143,6 +163,11 @@ static int imx8m_probe(struct snd_sof_dev *sdev)
if (!priv)
return -ENOMEM;
+ priv->clks = devm_kzalloc(&pdev->dev, sizeof(*priv->clks), GFP_KERNEL);
+ if (!priv->clks)
+ return -ENOMEM;
+
+ sdev->num_cores = 1;
sdev->pdata->hw_pdata = priv;
priv->dev = sdev->dev;
priv->sdev = sdev;
@@ -175,6 +200,13 @@ static int imx8m_probe(struct snd_sof_dev *sdev)
goto exit_pdev_unregister;
}
+ priv->dap = devm_ioremap(sdev->dev, IMX8M_DAP_DEBUG, IMX8M_DAP_DEBUG_SIZE);
+ if (!priv->dap) {
+ dev_err(sdev->dev, "error: failed to map DAP debug memory area");
+ ret = -ENODEV;
+ 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",
@@ -192,6 +224,7 @@ static int imx8m_probe(struct snd_sof_dev *sdev)
}
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;
@@ -210,6 +243,25 @@ static int imx8m_probe(struct snd_sof_dev *sdev)
/* set default mailbox offset for FW ready message */
sdev->dsp_box.offset = MBOX_OFFSET;
+ priv->regmap = syscon_regmap_lookup_by_compatible("fsl,dsp-ctrl");
+ if (IS_ERR(priv->regmap)) {
+ dev_err(sdev->dev, "cannot find dsp-ctrl registers");
+ ret = PTR_ERR(priv->regmap);
+ goto exit_pdev_unregister;
+ }
+
+ /* init clocks info */
+ priv->clks->dsp_clks = imx8m_dsp_clks;
+ priv->clks->num_dsp_clks = ARRAY_SIZE(imx8m_dsp_clks);
+
+ ret = imx8_parse_clocks(sdev, priv->clks);
+ if (ret < 0)
+ goto exit_pdev_unregister;
+
+ ret = imx8_enable_clocks(sdev, priv->clks);
+ if (ret < 0)
+ goto exit_pdev_unregister;
+
return 0;
exit_pdev_unregister:
@@ -221,6 +273,7 @@ static int imx8m_remove(struct snd_sof_dev *sdev)
{
struct imx8m_priv *priv = sdev->pdata->hw_pdata;
+ imx8_disable_clocks(sdev, priv->clks);
platform_device_unregister(priv->ipc_dev);
return 0;
@@ -264,13 +317,108 @@ static struct snd_soc_dai_driver imx8m_dai[] = {
},
};
+static int imx8m_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;
+}
+
+static int imx8m_resume(struct snd_sof_dev *sdev)
+{
+ struct imx8m_priv *priv = (struct imx8m_priv *)sdev->pdata->hw_pdata;
+ int ret;
+ int i;
+
+ ret = imx8_enable_clocks(sdev, priv->clks);
+ if (ret < 0)
+ return ret;
+
+ for (i = 0; i < DSP_MU_CHAN_NUM; i++)
+ imx_dsp_request_channel(priv->dsp_ipc, i);
+
+ return 0;
+}
+
+static void imx8m_suspend(struct snd_sof_dev *sdev)
+{
+ struct imx8m_priv *priv = (struct imx8m_priv *)sdev->pdata->hw_pdata;
+ int i;
+
+ for (i = 0; i < DSP_MU_CHAN_NUM; i++)
+ imx_dsp_free_channel(priv->dsp_ipc, i);
+
+ imx8_disable_clocks(sdev, priv->clks);
+}
+
+static int imx8m_dsp_runtime_resume(struct snd_sof_dev *sdev)
+{
+ int ret;
+ const struct sof_dsp_power_state target_dsp_state = {
+ .state = SOF_DSP_PM_D0,
+ };
+
+ ret = imx8m_resume(sdev);
+ if (ret < 0)
+ return ret;
+
+ return snd_sof_dsp_set_power_state(sdev, &target_dsp_state);
+}
+
+static int imx8m_dsp_runtime_suspend(struct snd_sof_dev *sdev)
+{
+ const struct sof_dsp_power_state target_dsp_state = {
+ .state = SOF_DSP_PM_D3,
+ };
+
+ imx8m_suspend(sdev);
+
+ return snd_sof_dsp_set_power_state(sdev, &target_dsp_state);
+}
+
+static int imx8m_dsp_resume(struct snd_sof_dev *sdev)
+{
+ int ret;
+ const struct sof_dsp_power_state target_dsp_state = {
+ .state = SOF_DSP_PM_D0,
+ };
+
+ ret = imx8m_resume(sdev);
+ if (ret < 0)
+ return ret;
+
+ 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 int imx8m_dsp_suspend(struct snd_sof_dev *sdev, unsigned int target_state)
+{
+ const struct sof_dsp_power_state target_dsp_state = {
+ .state = target_state,
+ };
+
+ if (!pm_runtime_suspended(sdev->dev))
+ imx8m_suspend(sdev);
+
+ return snd_sof_dsp_set_power_state(sdev, &target_dsp_state);
+}
+
/* i.MX8 ops */
-struct snd_sof_dsp_ops sof_imx8m_ops = {
+static struct snd_sof_dsp_ops sof_imx8m_ops = {
/* probe and remove */
.probe = imx8m_probe,
.remove = imx8m_remove,
/* DSP core boot */
.run = imx8m_run,
+ .reset = imx8m_reset,
/* Block IO */
.block_read = sof_block_read,
@@ -282,16 +430,14 @@ struct snd_sof_dsp_ops sof_imx8m_ops = {
/* ipc */
.send_msg = imx8m_send_msg,
- .fw_ready = sof_fw_ready,
.get_mailbox_offset = imx8m_get_mailbox_offset,
.get_window_offset = imx8m_get_window_offset,
.ipc_msg_data = sof_ipc_msg_data,
- .ipc_pcm_params = sof_ipc_pcm_params,
+ .set_stream_data_offset = sof_set_stream_data_offset,
- /* module loading */
- .load_module = snd_sof_parse_module_memcpy,
.get_bar_index = imx8m_get_bar_index,
+
/* firmware loading */
.load_firmware = snd_sof_load_firmware_memcpy,
@@ -309,13 +455,54 @@ struct snd_sof_dsp_ops sof_imx8m_ops = {
.drv = imx8m_dai,
.num_drv = ARRAY_SIZE(imx8m_dai),
+ .suspend = imx8m_dsp_suspend,
+ .resume = imx8m_dsp_resume,
+
+ .runtime_suspend = imx8m_dsp_runtime_suspend,
+ .runtime_resume = imx8m_dsp_runtime_resume,
+
+ .set_power_state = imx8m_dsp_set_power_state,
+
.hw_info = SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_MMAP_VALID |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_PAUSE |
SNDRV_PCM_INFO_NO_PERIOD_WAKEUP,
};
-EXPORT_SYMBOL(sof_imx8m_ops);
+
+static struct sof_dev_desc sof_of_imx8mp_desc = {
+ .ipc_supported_mask = BIT(SOF_IPC),
+ .ipc_default = SOF_IPC,
+ .default_fw_path = {
+ [SOF_IPC] = "imx/sof",
+ },
+ .default_tplg_path = {
+ [SOF_IPC] = "imx/sof-tplg",
+ },
+ .default_fw_filename = {
+ [SOF_IPC] = "sof-imx8m.ri",
+ },
+ .nocodec_tplg_filename = "sof-imx8-nocodec.tplg",
+ .ops = &sof_imx8m_ops,
+};
+
+static const struct of_device_id sof_of_imx8m_ids[] = {
+ { .compatible = "fsl,imx8mp-dsp", .data = &sof_of_imx8mp_desc},
+ { }
+};
+MODULE_DEVICE_TABLE(of, sof_of_imx8m_ids);
+
+/* DT driver definition */
+static struct platform_driver snd_sof_of_imx8m_driver = {
+ .probe = sof_of_probe,
+ .remove = sof_of_remove,
+ .driver = {
+ .name = "sof-audio-of-imx8m",
+ .pm = &sof_of_pm,
+ .of_match_table = sof_of_imx8m_ids,
+ },
+};
+module_platform_driver(snd_sof_of_imx8m_driver);
MODULE_IMPORT_NS(SND_SOC_SOF_XTENSA);
MODULE_LICENSE("Dual BSD/GPL");
diff --git a/sound/soc/sof/imx/imx8ulp.c b/sound/soc/sof/imx/imx8ulp.c
new file mode 100644
index 000000000000..4a562c9856e9
--- /dev/null
+++ b/sound/soc/sof/imx/imx8ulp.c
@@ -0,0 +1,515 @@
+// 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
+
+static struct clk_bulk_data imx8ulp_dsp_clks[] = {
+ { .id = "core" },
+ { .id = "ipg" },
+ { .id = "ocram" },
+ { .id = "mu" },
+};
+
+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 imx_clocks *clks;
+};
+
+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;
+
+ priv->clks = devm_kzalloc(&pdev->dev, sizeof(*priv->clks), GFP_KERNEL);
+ if (!priv->clks)
+ 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;
+ }
+
+ priv->clks->dsp_clks = imx8ulp_dsp_clks;
+ priv->clks->num_dsp_clks = ARRAY_SIZE(imx8ulp_dsp_clks);
+
+ ret = imx8_parse_clocks(sdev, priv->clks);
+ if (ret < 0)
+ goto exit_pdev_unregister;
+
+ ret = imx8_enable_clocks(sdev, priv->clks);
+ if (ret < 0)
+ goto exit_pdev_unregister;
+
+ return 0;
+
+exit_pdev_unregister:
+ platform_device_unregister(priv->ipc_dev);
+
+ return ret;
+}
+
+static int imx8ulp_remove(struct snd_sof_dev *sdev)
+{
+ struct imx8ulp_priv *priv = sdev->pdata->hw_pdata;
+
+ imx8_disable_clocks(sdev, priv->clks);
+ platform_device_unregister(priv->ipc_dev);
+
+ return 0;
+}
+
+/* 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);
+
+ imx8_disable_clocks(sdev, 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;
+
+ imx8_enable_clocks(sdev, priv->clks);
+
+ 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 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_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 sof_dev_desc sof_of_imx8ulp_desc = {
+ .ipc_supported_mask = BIT(SOF_IPC),
+ .ipc_default = SOF_IPC,
+ .default_fw_path = {
+ [SOF_IPC] = "imx/sof",
+ },
+ .default_tplg_path = {
+ [SOF_IPC] = "imx/sof-tplg",
+ },
+ .default_fw_filename = {
+ [SOF_IPC] = "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_IMPORT_NS(SND_SOC_SOF_XTENSA);
+MODULE_LICENSE("Dual BSD/GPL");