[PATCH v3 10/29] media: iris: implement power management

Dikshita Agarwal via B4 Relay
2024-08-27T10:06:35Z

From: Dikshita Agarwal <quic_dikshita@quicinc.com>

Implement runtime power management for iris including
platform specific power on/off sequence.

Signed-off-by: Dikshita Agarwal <quic_dikshita@quicinc.com>
---
drivers/media/platform/qcom/iris/Makefile | 3 +
drivers/media/platform/qcom/iris/iris_core.c | 16 +-
drivers/media/platform/qcom/iris/iris_core.h | 5 +
drivers/media/platform/qcom/iris/iris_firmware.c | 5 +
drivers/media/platform/qcom/iris/iris_firmware.h | 1 +
drivers/media/platform/qcom/iris/iris_hfi_common.c | 72 +++++-
drivers/media/platform/qcom/iris/iris_hfi_common.h | 3 +
.../platform/qcom/iris/iris_hfi_gen1_command.c | 11 +
.../platform/qcom/iris/iris_hfi_gen1_defines.h | 5 +
.../platform/qcom/iris/iris_hfi_gen2_command.c | 20 ++
.../platform/qcom/iris/iris_hfi_gen2_defines.h | 1 +
.../platform/qcom/iris/iris_hfi_gen2_packet.c | 13 ++
.../platform/qcom/iris/iris_hfi_gen2_packet.h | 1 +
drivers/media/platform/qcom/iris/iris_hfi_queue.c | 20 +-
.../platform/qcom/iris/iris_platform_common.h | 14 ++
.../platform/qcom/iris/iris_platform_sm8250.c | 9 +
.../platform/qcom/iris/iris_platform_sm8550.c | 9 +
drivers/media/platform/qcom/iris/iris_power.c | 35 +++
drivers/media/platform/qcom/iris/iris_power.h | 14 ++
drivers/media/platform/qcom/iris/iris_probe.c | 66 +++++-
drivers/media/platform/qcom/iris/iris_resources.c | 167 ++++++++++++++
drivers/media/platform/qcom/iris/iris_resources.h | 8 +
drivers/media/platform/qcom/iris/iris_vidc.c | 8 +
drivers/media/platform/qcom/iris/iris_vpu2.c | 11 +
drivers/media/platform/qcom/iris/iris_vpu3.c | 79 +++++++
drivers/media/platform/qcom/iris/iris_vpu_common.c | 250 ++++++++++++++++++++-
drivers/media/platform/qcom/iris/iris_vpu_common.h | 11 +
.../platform/qcom/iris/iris_vpu_register_defines.h | 17 ++
28 files changed, 862 insertions(+), 12 deletions(-)

diff --git a/drivers/media/platform/qcom/iris/Makefile b/drivers/media/platform/qcom/iris/Makefile
index d1f0b933df3d..b0447af45891 100644
--- a/drivers/media/platform/qcom/iris/Makefile
+++ b/drivers/media/platform/qcom/iris/Makefile
@@ -9,10 +9,13 @@ iris-objs += iris_core.o \
iris_hfi_queue.o \
iris_platform_sm8250.o \
iris_platform_sm8550.o \
+ iris_power.o \
iris_probe.o \
iris_resources.o \
iris_state.o \
iris_vidc.o \
+ iris_vpu2.o \
+ iris_vpu3.o \
iris_vpu_common.o \

obj-$(CONFIG_VIDEO_QCOM_IRIS) += iris.o
diff --git a/drivers/media/platform/qcom/iris/iris_core.c b/drivers/media/platform/qcom/iris/iris_core.c
index 92458d7f1e36..34847fb36aa0 100644
--- a/drivers/media/platform/qcom/iris/iris_core.c
+++ b/drivers/media/platform/qcom/iris/iris_core.c
@@ -3,18 +3,26 @@
* Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
*/

+#include <linux/pm_runtime.h>
+
#include "iris_core.h"
#include "iris_firmware.h"
+#include "iris_power.h"
#include "iris_state.h"
#include "iris_vpu_common.h"

void iris_core_deinit(struct iris_core *core)
{
+ pm_runtime_resume_and_get(core->dev);
+
mutex_lock(&core->lock);
iris_fw_unload(core);
+ iris_power_off(core);
iris_hfi_queues_deinit(core);
core->state = IRIS_CORE_DEINIT;
mutex_unlock(&core->lock);
+
+ pm_runtime_put_sync(core->dev);
}

static int iris_wait_for_system_response(struct iris_core *core)
@@ -56,10 +64,14 @@ int iris_core_init(struct iris_core *core)
if (ret)
goto error;

- ret = iris_fw_load(core);
+ ret = iris_power_on(core);
if (ret)
goto error_queue_deinit;

+ ret = iris_fw_load(core);
+ if (ret)
+ goto error_power_off;
+
ret = iris_vpu_boot_firmware(core);
if (ret)
goto error_unload_fw;
@@ -74,6 +86,8 @@ int iris_core_init(struct iris_core *core)

error_unload_fw:
iris_fw_unload(core);
+error_power_off:
+ iris_power_off(core);
error_queue_deinit:
iris_hfi_queues_deinit(core);
error:
diff --git a/drivers/media/platform/qcom/iris/iris_core.h b/drivers/media/platform/qcom/iris/iris_core.h
index 409f9822807d..09a6904c7bb1 100644
--- a/drivers/media/platform/qcom/iris/iris_core.h
+++ b/drivers/media/platform/qcom/iris/iris_core.h
@@ -7,6 +7,7 @@
#define _IRIS_CORE_H_

#include <linux/types.h>
+#include <linux/pm_domain.h>
#include <media/v4l2-device.h>

#include "iris_hfi_common.h"
@@ -47,6 +48,8 @@
* @response_packet: a pointer to response packet from fw to driver
* @header_id: id of packet header
* @packet_id: id of packet
+ * @power_enabled: a boolean to check if power is on or off
+ * @power: a structure for clock and bw information
* @hfi_ops: iris hfi command ops
* @hfi_response_ops: iris hfi response ops
* @core_init_done: structure of signal completion for system response
@@ -81,6 +84,8 @@ struct iris_core {
u8 *response_packet;
u32 header_id;
u32 packet_id;
+ bool power_enabled;
+ struct iris_core_power power;
const struct iris_hfi_command_ops *hfi_ops;
const struct iris_hfi_response_ops *hfi_response_ops;
struct completion core_init_done;
diff --git a/drivers/media/platform/qcom/iris/iris_firmware.c b/drivers/media/platform/qcom/iris/iris_firmware.c
index 55bbcc798f4c..b6c779ec13bb 100644
--- a/drivers/media/platform/qcom/iris/iris_firmware.c
+++ b/drivers/media/platform/qcom/iris/iris_firmware.c
@@ -144,3 +144,8 @@ int iris_fw_unload(struct iris_core *core)

return ret;
}
+
+int iris_set_hw_state(struct iris_core *core, bool resume)
+{
+ return qcom_scm_set_remote_state(resume, 0);
+}
diff --git a/drivers/media/platform/qcom/iris/iris_firmware.h b/drivers/media/platform/qcom/iris/iris_firmware.h
index 8d4f6b7f75c5..1550916c92a1 100644
--- a/drivers/media/platform/qcom/iris/iris_firmware.h
+++ b/drivers/media/platform/qcom/iris/iris_firmware.h
@@ -10,5 +10,6 @@ struct iris_core;

int iris_fw_load(struct iris_core *core);
int iris_fw_unload(struct iris_core *core);
+int iris_set_hw_state(struct iris_core *core, bool resume);

#endif
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_common.c b/drivers/media/platform/qcom/iris/iris_hfi_common.c
index a5a28029d8d1..bf9ec678ff90 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_common.c
+++ b/drivers/media/platform/qcom/iris/iris_hfi_common.c
@@ -3,8 +3,12 @@
* Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
*/

+#include <linux/pm_runtime.h>
+
+#include "iris_firmware.h"
#include "iris_core.h"
#include "iris_hfi_common.h"
+#include "iris_power.h"
#include "iris_vpu_common.h"

int iris_hfi_core_init(struct iris_core *core)
@@ -42,7 +46,7 @@ irqreturn_t iris_hfi_isr_handler(int irq, void *data)
mutex_unlock(&core->lock);
goto exit;
}
-
+ pm_runtime_mark_last_busy(core->dev);
iris_vpu_clear_interrupt(core);
mutex_unlock(&core->lock);

@@ -54,3 +58,69 @@ irqreturn_t iris_hfi_isr_handler(int irq, void *data)

return IRQ_HANDLED;
}
+
+int iris_hfi_pm_suspend(struct iris_core *core)
+{
+ int ret;
+
+ if (!mutex_is_locked(&core->lock))
+ return -EINVAL;
+
+ if (core->state != IRIS_CORE_INIT)
+ return -EINVAL;
+
+ if (!core->power_enabled) {
+ dev_err(core->dev, "power not enabled\n");
+ return 0;
+ }
+
+ ret = iris_vpu_prepare_pc(core);
+ if (ret) {
+ dev_err(core->dev, "prepare pc ret %d\n", ret);
+ pm_runtime_mark_last_busy(core->dev);
+ return -EAGAIN;
+ }
+
+ ret = iris_set_hw_state(core, false);
+ if (ret)
+ return ret;
+
+ iris_power_off(core);
+
+ return 0;
+}
+
+int iris_hfi_pm_resume(struct iris_core *core)
+{
+ const struct iris_hfi_command_ops *ops;
+ int ret;
+
+ ops = core->hfi_ops;
+
+ ret = iris_power_on(core);
+ if (ret)
+ goto error;
+
+ ret = iris_set_hw_state(core, true);
+ if (ret)
+ goto err_power_off;
+
+ ret = iris_vpu_boot_firmware(core);
+ if (ret)
+ goto err_suspend_hw;
+
+ ret = ops->sys_interframe_powercollapse(core);
+ if (ret)
+ goto err_suspend_hw;
+
+ return 0;
+
+err_suspend_hw:
+ iris_set_hw_state(core, false);
+err_power_off:
+ iris_power_off(core);
+error:
+ dev_err(core->dev, "failed to resume\n");
+
+ return -EBUSY;
+}
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_common.h b/drivers/media/platform/qcom/iris/iris_hfi_common.h
index c3d5b899cf60..e050b1ae90fe 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_common.h
+++ b/drivers/media/platform/qcom/iris/iris_hfi_common.h
@@ -46,6 +46,7 @@ struct iris_hfi_command_ops {
int (*sys_init)(struct iris_core *core);
int (*sys_image_version)(struct iris_core *core);
int (*sys_interframe_powercollapse)(struct iris_core *core);
+ int (*sys_pc_prep)(struct iris_core *core);
};

struct iris_hfi_response_ops {
@@ -53,6 +54,8 @@ struct iris_hfi_response_ops {
};

int iris_hfi_core_init(struct iris_core *core);
+int iris_hfi_pm_suspend(struct iris_core *core);
+int iris_hfi_pm_resume(struct iris_core *core);

irqreturn_t iris_hfi_isr(int irq, void *data);
irqreturn_t iris_hfi_isr_handler(int irq, void *data);
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c b/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c
index 8f045ef56163..e778ae33b953 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen1_command.c
@@ -56,10 +56,21 @@ static int iris_hfi_gen1_sys_interframe_powercollapse(struct iris_core *core)
return ret;
}

+static int iris_hfi_gen1_sys_pc_prep(struct iris_core *core)
+{
+ struct hfi_sys_pc_prep_pkt pkt;
+
+ pkt.hdr.size = sizeof(struct hfi_sys_pc_prep_pkt);
+ pkt.hdr.pkt_type = HFI_CMD_SYS_PC_PREP;
+
+ return iris_hfi_queue_cmd_write_locked(core, &pkt, pkt.hdr.size);
+}
+
static const struct iris_hfi_command_ops iris_hfi_gen1_command_ops = {
.sys_init = iris_hfi_gen1_sys_init,
.sys_image_version = iris_hfi_gen1_sys_image_version,
.sys_interframe_powercollapse = iris_hfi_gen1_sys_interframe_powercollapse,
+ .sys_pc_prep = iris_hfi_gen1_sys_pc_prep,
};

void iris_hfi_gen1_command_ops_init(struct iris_core *core)
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen1_defines.h b/drivers/media/platform/qcom/iris/iris_hfi_gen1_defines.h
index 5c07d6a29863..991d5a5dc792 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_gen1_defines.h
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen1_defines.h
@@ -12,6 +12,7 @@
#define HFI_ERR_NONE 0x0

#define HFI_CMD_SYS_INIT 0x10001
+#define HFI_CMD_SYS_PC_PREP 0x10002
#define HFI_CMD_SYS_SET_PROPERTY 0x10005
#define HFI_CMD_SYS_GET_PROPERTY 0x10006

@@ -48,6 +49,10 @@ struct hfi_sys_get_property_pkt {
u32 data;
};

+struct hfi_sys_pc_prep_pkt {
+ struct hfi_pkt_hdr hdr;
+};
+
struct hfi_msg_event_notify_pkt {
struct hfi_pkt_hdr hdr;
u32 event_id;
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c b/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c
index 807266858d93..0871c0bdea90 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2_command.c
@@ -66,10 +66,30 @@ static int iris_hfi_gen2_sys_interframe_powercollapse(struct iris_core *core)
return ret;
}

+static int iris_hfi_gen2_sys_pc_prep(struct iris_core *core)
+{
+ struct iris_hfi_header *hdr;
+ u32 packet_size;
+ int ret;
+
+ packet_size = sizeof(*hdr) + sizeof(struct iris_hfi_packet);
+ hdr = kzalloc(packet_size, GFP_KERNEL);
+ if (!hdr)
+ return -ENOMEM;
+
+ iris_hfi_gen2_packet_sys_pc_prep(core, hdr);
+ ret = iris_hfi_queue_cmd_write_locked(core, hdr, hdr->size);
+
+ kfree(hdr);
+
+ return ret;
+}
+
static const struct iris_hfi_command_ops iris_hfi_gen2_command_ops = {
.sys_init = iris_hfi_gen2_sys_init,
.sys_image_version = iris_hfi_gen2_sys_image_version,
.sys_interframe_powercollapse = iris_hfi_gen2_sys_interframe_powercollapse,
+ .sys_pc_prep = iris_hfi_gen2_sys_pc_prep,
};

void iris_hfi_gen2_command_ops_init(struct iris_core *core)
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2_defines.h b/drivers/media/platform/qcom/iris/iris_hfi_gen2_defines.h
index 3e3e4ddfe21f..4104479c7251 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_gen2_defines.h
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2_defines.h
@@ -12,6 +12,7 @@

#define HFI_CMD_BEGIN 0x01000000
#define HFI_CMD_INIT 0x01000001
+#define HFI_CMD_POWER_COLLAPSE 0x01000002
#define HFI_CMD_END 0x01FFFFFF

#define HFI_PROP_BEGIN 0x03000000
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.c b/drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.c
index 8266eae5ff94..9ea26328a300 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.c
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.c
@@ -162,3 +162,16 @@ void iris_hfi_gen2_packet_sys_interframe_powercollapse(struct iris_core *core,
&payload,
sizeof(u32));
}
+
+void iris_hfi_gen2_packet_sys_pc_prep(struct iris_core *core, struct iris_hfi_header *hdr)
+{
+ iris_hfi_gen2_create_header(hdr, 0 /*session_id*/, core->header_id++);
+
+ iris_hfi_gen2_create_packet(hdr,
+ HFI_CMD_POWER_COLLAPSE,
+ HFI_HOST_FLAGS_NONE,
+ HFI_PAYLOAD_NONE,
+ HFI_PORT_NONE,
+ core->packet_id++,
+ NULL, 0);
+}
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.h b/drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.h
index eba109efeb76..163295783b7d 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.h
+++ b/drivers/media/platform/qcom/iris/iris_hfi_gen2_packet.h
@@ -65,5 +65,6 @@ void iris_hfi_gen2_packet_sys_init(struct iris_core *core, struct iris_hfi_heade
void iris_hfi_gen2_packet_image_version(struct iris_core *core, struct iris_hfi_header *hdr);
void iris_hfi_gen2_packet_sys_interframe_powercollapse(struct iris_core *core,
struct iris_hfi_header *hdr);
+void iris_hfi_gen2_packet_sys_pc_prep(struct iris_core *core, struct iris_hfi_header *hdr);

#endif
diff --git a/drivers/media/platform/qcom/iris/iris_hfi_queue.c b/drivers/media/platform/qcom/iris/iris_hfi_queue.c
index b24d4640fea9..3a511d5e5cfc 100644
--- a/drivers/media/platform/qcom/iris/iris_hfi_queue.c
+++ b/drivers/media/platform/qcom/iris/iris_hfi_queue.c
@@ -3,6 +3,8 @@
* Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
*/

+#include <linux/pm_runtime.h>
+
#include "iris_core.h"
#include "iris_hfi_queue.h"
#include "iris_vpu_common.h"
@@ -145,13 +147,27 @@ int iris_hfi_queue_cmd_write(struct iris_core *core, void *pkt, u32 pkt_size)
{
int ret;

+ ret = pm_runtime_resume_and_get(core->dev);
+ if (ret < 0)
+ goto exit;
+
mutex_lock(&core->lock);
ret = iris_hfi_queue_cmd_write_locked(core, pkt, pkt_size);
- if (ret)
+ if (ret) {
dev_err(core->dev, "iris_hfi_queue_cmd_write_locked failed with %d\n", ret);
-
+ mutex_unlock(&core->lock);
+ goto exit;
+ }
mutex_unlock(&core->lock);

+ pm_runtime_mark_last_busy(core->dev);
+ pm_runtime_put_autosuspend(core->dev);
+
+ return 0;
+
+exit:
+ pm_runtime_put_sync(core->dev);
+
return ret;
}

diff --git a/drivers/media/platform/qcom/iris/iris_platform_common.h b/drivers/media/platform/qcom/iris/iris_platform_common.h
index 4577977f9f8c..899a696a931d 100644
--- a/drivers/media/platform/qcom/iris/iris_platform_common.h
+++ b/drivers/media/platform/qcom/iris/iris_platform_common.h
@@ -8,6 +8,7 @@

#define IRIS_PAS_ID 9
#define HW_RESPONSE_TIMEOUT_VALUE (1000) /* milliseconds */
+#define AUTOSUSPEND_DELAY_VALUE (HW_RESPONSE_TIMEOUT_VALUE + 500) /* milliseconds */

extern struct iris_platform_data sm8550_data;
extern struct iris_platform_data sm8250_data;
@@ -40,10 +41,22 @@ struct ubwc_config_data {
u32 bank_spreading;
};

+struct iris_core_power {
+ u64 clk_freq;
+ u64 icc_bw;
+};
+
+enum platform_pm_domain_type {
+ IRIS_CTRL_POWER_DOMAIN,
+ IRIS_HW_POWER_DOMAIN,
+};
+
struct iris_platform_data {
void (*init_hfi_command_ops)(struct iris_core *core);
void (*init_hfi_response_ops)(struct iris_core *core);
struct iris_inst *(*get_instance)(void);
+ const struct vpu_ops *vpu_ops;
+ void (*set_preset_registers)(struct iris_core *core);
const struct icc_info *icc_tbl;
unsigned int icc_tbl_size;
const char * const *pmdomain_tbl;
@@ -61,6 +74,7 @@ struct iris_platform_data {
u32 core_arch;
u32 hw_response_timeout;
struct ubwc_config_data *ubwc_config;
+ u32 num_vpp_pipe;
};

#endif
diff --git a/drivers/media/platform/qcom/iris/iris_platform_sm8250.c b/drivers/media/platform/qcom/iris/iris_platform_sm8250.c
index b83665a9c5a2..1adbafa373a5 100644
--- a/drivers/media/platform/qcom/iris/iris_platform_sm8250.c
+++ b/drivers/media/platform/qcom/iris/iris_platform_sm8250.c
@@ -7,6 +7,12 @@
#include "iris_platform_common.h"
#include "iris_resources.h"
#include "iris_hfi_gen1.h"
+#include "iris_vpu_common.h"
+
+static void iris_set_sm8250_preset_registers(struct iris_core *core)
+{
+ writel(0x0, core->reg_base + 0xB0088);
+}

static const struct icc_info sm8250_icc_table[] = {
{ "cpu-cfg", 1000, 1000 },
@@ -36,6 +42,8 @@ struct iris_platform_data sm8250_data = {
.get_instance = iris_hfi_gen1_get_instance,
.init_hfi_command_ops = &iris_hfi_gen1_command_ops_init,
.init_hfi_response_ops = iris_hfi_gen1_response_ops_init,
+ .vpu_ops = &iris_vpu2_ops,
+ .set_preset_registers = iris_set_sm8250_preset_registers,
.icc_tbl = sm8250_icc_table,
.icc_tbl_size = ARRAY_SIZE(sm8250_icc_table),
.clk_rst_tbl = sm8250_clk_reset_table,
@@ -51,4 +59,5 @@ struct iris_platform_data sm8250_data = {
.pas_id = IRIS_PAS_ID,
.tz_cp_config_data = &tz_cp_config_sm8250,
.hw_response_timeout = HW_RESPONSE_TIMEOUT_VALUE,
+ .num_vpp_pipe = 4,
};
diff --git a/drivers/media/platform/qcom/iris/iris_platform_sm8550.c b/drivers/media/platform/qcom/iris/iris_platform_sm8550.c
index 91bfc0fa0989..950ccdccde31 100644
--- a/drivers/media/platform/qcom/iris/iris_platform_sm8550.c
+++ b/drivers/media/platform/qcom/iris/iris_platform_sm8550.c
@@ -7,9 +7,15 @@
#include "iris_hfi_gen2.h"
#include "iris_platform_common.h"
#include "iris_resources.h"
+#include "iris_vpu_common.h"

#define VIDEO_ARCH_LX 1

+static void iris_set_sm8550_preset_registers(struct iris_core *core)
+{
+ writel(0x0, core->reg_base + 0xB0088);
+}
+
static const struct icc_info sm8550_icc_table[] = {
{ "cpu-cfg", 1000, 1000 },
{ "video-mem", 1000, 15000000 },
@@ -48,6 +54,8 @@ struct iris_platform_data sm8550_data = {
.get_instance = iris_hfi_gen2_get_instance,
.init_hfi_command_ops = iris_hfi_gen2_command_ops_init,
.init_hfi_response_ops = iris_hfi_gen2_response_ops_init,
+ .vpu_ops = &iris_vpu3_ops,
+ .set_preset_registers = iris_set_sm8550_preset_registers,
.icc_tbl = sm8550_icc_table,
.icc_tbl_size = ARRAY_SIZE(sm8550_icc_table),
.clk_rst_tbl = sm8550_clk_reset_table,
@@ -65,4 +73,5 @@ struct iris_platform_data sm8550_data = {
.core_arch = VIDEO_ARCH_LX,
.hw_response_timeout = HW_RESPONSE_TIMEOUT_VALUE,
.ubwc_config = &ubwc_config_sm8550,
+ .num_vpp_pipe = 4,
};
diff --git a/drivers/media/platform/qcom/iris/iris_power.c b/drivers/media/platform/qcom/iris/iris_power.c
new file mode 100644
index 000000000000..e697c27c8a8a
--- /dev/null
+++ b/drivers/media/platform/qcom/iris/iris_power.c
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#include "iris_core.h"
+#include "iris_power.h"
+#include "iris_vpu_common.h"
+
+void iris_power_off(struct iris_core *core)
+{
+ if (!core->power_enabled)
+ return;
+
+ iris_vpu_power_off(core);
+ core->power_enabled = false;
+}
+
+int iris_power_on(struct iris_core *core)
+{
+ int ret;
+
+ if (core->power_enabled)
+ return 0;
+
+ ret = iris_vpu_power_on(core);
+ if (ret) {
+ dev_err(core->dev, "failed to power on, err: %d\n", ret);
+ return ret;
+ }
+
+ core->power_enabled = true;
+
+ return ret;
+}
diff --git a/drivers/media/platform/qcom/iris/iris_power.h b/drivers/media/platform/qcom/iris/iris_power.h
new file mode 100644
index 000000000000..ff9b6be3b086
--- /dev/null
+++ b/drivers/media/platform/qcom/iris/iris_power.h
@@ -0,0 +1,14 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef _IRIS_POWER_H_
+#define _IRIS_POWER_H_
+
+struct iris_core;
+
+int iris_power_on(struct iris_core *core);
+void iris_power_off(struct iris_core *core);
+
+#endif
diff --git a/drivers/media/platform/qcom/iris/iris_probe.c b/drivers/media/platform/qcom/iris/iris_probe.c
index ecf1a50be63b..3222e9116551 100644
--- a/drivers/media/platform/qcom/iris/iris_probe.c
+++ b/drivers/media/platform/qcom/iris/iris_probe.c
@@ -4,6 +4,7 @@
*/

#include <linux/module.h>
+#include <linux/pm_runtime.h>

#include "iris_core.h"
#include "iris_vidc.h"
@@ -111,17 +112,25 @@ static int iris_probe(struct platform_device *pdev)
if (core->irq < 0)
return core->irq;

+ pm_runtime_set_autosuspend_delay(core->dev, AUTOSUSPEND_DELAY_VALUE);
+ pm_runtime_use_autosuspend(core->dev);
+ ret = devm_pm_runtime_enable(core->dev);
+ if (ret) {
+ dev_err(core->dev, "failed to enable runtime pm\n");
+ goto err_runtime_disable;
+ }
+
ret = iris_init_isr(core);
if (ret) {
dev_err_probe(core->dev, ret, "Failed to init isr\n");
- return ret;
+ goto err_runtime_disable;
}

core->iris_platform_data = of_device_get_match_data(core->dev);
if (!core->iris_platform_data) {
ret = -ENODEV;
dev_err_probe(core->dev, ret, "init platform failed\n");
- return ret;
+ goto err_runtime_disable;
}

iris_init_ops(core);
@@ -131,12 +140,12 @@ static int iris_probe(struct platform_device *pdev)
ret = iris_init_resources(core);
if (ret) {
dev_err_probe(core->dev, ret, "init resource failed\n");
- return ret;
+ goto err_runtime_disable;
}

ret = v4l2_device_register(dev, &core->v4l2_dev);
if (ret)
- return ret;
+ goto err_runtime_disable;

ret = iris_register_video_device(core);
if (ret)
@@ -159,10 +168,58 @@ static int iris_probe(struct platform_device *pdev)
video_unregister_device(core->vdev_dec);
err_v4l2_unreg:
v4l2_device_unregister(&core->v4l2_dev);
+err_runtime_disable:
+ pm_runtime_set_suspended(core->dev);
+
+ return ret;
+}
+
+static int iris_pm_suspend(struct device *dev)
+{
+ struct iris_core *core;
+ int ret;
+
+ if (!dev || !dev->driver)
+ return 0;
+
+ core = dev_get_drvdata(dev);
+
+ mutex_lock(&core->lock);
+ ret = iris_hfi_pm_suspend(core);
+ mutex_unlock(&core->lock);

return ret;
}

+static int iris_pm_resume(struct device *dev)
+{
+ struct iris_core *core;
+ int ret = 0;
+
+ if (!dev || !dev->driver)
+ return 0;
+
+ core = dev_get_drvdata(dev);
+
+ mutex_lock(&core->lock);
+ if (core->state != IRIS_CORE_INIT)
+ goto exit;
+
+ ret = iris_hfi_pm_resume(core);
+ pm_runtime_mark_last_busy(core->dev);
+
+exit:
+ mutex_unlock(&core->lock);
+
+ return ret;
+}
+
+static const struct dev_pm_ops iris_pm_ops = {
+ SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
+ pm_runtime_force_resume)
+ SET_RUNTIME_PM_OPS(iris_pm_suspend, iris_pm_resume, NULL)
+};
+
static const struct of_device_id iris_dt_match[] = {
{
.compatible = "qcom,sm8550-iris",
@@ -182,6 +239,7 @@ static struct platform_driver qcom_iris_driver = {
.driver = {
.name = "qcom-iris",
.of_match_table = iris_dt_match,
+ .pm = &iris_pm_ops,
},
};

diff --git a/drivers/media/platform/qcom/iris/iris_resources.c b/drivers/media/platform/qcom/iris/iris_resources.c
index 57c6f9f3449b..eb3052acd426 100644
--- a/drivers/media/platform/qcom/iris/iris_resources.c
+++ b/drivers/media/platform/qcom/iris/iris_resources.c
@@ -7,11 +7,14 @@
#include <linux/interconnect.h>
#include <linux/pm_domain.h>
#include <linux/pm_opp.h>
+#include <linux/pm_runtime.h>
#include <linux/reset.h>

#include "iris_core.h"
#include "iris_resources.h"

+#define BW_THRESHOLD 50000
+
static int iris_init_icc(struct iris_core *core)
{
const struct icc_info *icc_tbl;
@@ -39,6 +42,57 @@ static int iris_init_icc(struct iris_core *core)
return ret;
}

+int iris_set_icc_bw(struct iris_core *core, unsigned long icc_bw)
+{
+ unsigned long bw_kbps = 0, bw_prev = 0;
+ const struct icc_info *icc_tbl;
+ int ret = 0, i;
+
+ icc_tbl = core->iris_platform_data->icc_tbl;
+
+ for (i = 0; i < core->icc_count; i++) {
+ if (!strcmp(core->icc_tbl[i].name, "video-mem")) {
+ bw_kbps = icc_bw;
+ bw_prev = core->power.icc_bw;
+
+ bw_kbps = clamp_t(typeof(bw_kbps), bw_kbps,
+ icc_tbl[i].bw_min_kbps, icc_tbl[i].bw_max_kbps);
+
+ if (abs(bw_kbps - bw_prev) < BW_THRESHOLD && bw_prev)
+ return ret;
+
+ core->icc_tbl[i].avg_bw = bw_kbps;
+
+ core->power.icc_bw = bw_kbps;
+ break;
+ }
+ }
+
+ ret = icc_bulk_set_bw(core->icc_count, core->icc_tbl);
+ if (ret)
+ dev_err(core->dev, "failed to unset icc bw\n");
+
+ return ret;
+}
+
+int iris_unset_icc_bw(struct iris_core *core)
+{
+ int ret, i;
+
+ core->power.icc_bw = 0;
+
+ for (i = 0; i < core->icc_count; i++) {
+ core->icc_tbl[i].avg_bw = 0;
+ core->icc_tbl[i].peak_bw = 0;
+ }
+
+ ret = icc_bulk_set_bw(core->icc_count, core->icc_tbl);
+ if (ret)
+ dev_err(core->dev, "failed to unset icc bw\n");
+
+ return ret;
+}
+
static int iris_pd_get(struct iris_core *core)
{
int ret;
@@ -73,6 +127,19 @@ static int iris_opp_pd_get(struct iris_core *core)
return 0;
}

+int iris_opp_set_rate(struct iris_core *core, u64 freq)
+{
+ int ret;
+
+ ret = dev_pm_opp_set_rate(core->dev, freq);
+ if (ret) {
+ dev_err(core->dev, "failed to set rate\n");
+ return ret;
+ }
+
+ return ret;
+}
+
static int iris_init_power_domains(struct iris_core *core)
{
const struct platform_clk_data *clk_tbl;
@@ -107,6 +174,36 @@ static int iris_init_power_domains(struct iris_core *core)
return ret;
}

+int iris_enable_power_domains(struct iris_core *core, struct device *pd_dev)
+{
+ int ret;
+
+ ret = iris_opp_set_rate(core, ULONG_MAX);
+ if (ret)
+ return ret;
+
+ ret = pm_runtime_get_sync(pd_dev);
+ if (ret < 0)
+ return ret;
+
+ return ret;
+}
+
+int iris_disable_power_domains(struct iris_core *core, struct device *pd_dev)
+{
+ int ret;
+
+ ret = iris_opp_set_rate(core, 0);
+ if (ret)
+ return ret;
+
+ ret = pm_runtime_put_sync(pd_dev);
+ if (ret)
+ return ret;
+
+ return ret;
+}
+
static int iris_init_clocks(struct iris_core *core)
{
int ret;
@@ -122,6 +219,62 @@ static int iris_init_clocks(struct iris_core *core)
return 0;
}

+static struct clk *iris_get_clk_by_type(struct iris_core *core, enum platform_clk_type clk_type)
+{
+ const struct platform_clk_data *clk_tbl;
+ u32 clk_cnt;
+ int i, j;
+
+ clk_tbl = core->iris_platform_data->clk_tbl;
+ clk_cnt = core->iris_platform_data->clk_tbl_size;
+
+ for (i = 0; i < clk_cnt; i++) {
+ if (clk_tbl[i].clk_type == clk_type) {
+ for (j = 0; core->clock_tbl && j < core->clk_count; j++) {
+ if (!strcmp(core->clock_tbl[j].id, clk_tbl[i].clk_name))
+ return core->clock_tbl[j].clk;
+ }
+ }
+ }
+
+ return NULL;
+}
+
+int iris_prepare_enable_clock(struct iris_core *core, enum platform_clk_type clk_type)
+{
+ struct clk *clock;
+ int ret = 0;
+
+ clock = iris_get_clk_by_type(core, clk_type);
+ if (!clock) {
+ dev_err(core->dev, "failed to get clk: %d\n", clk_type);
+ return -EINVAL;
+ }
+
+ ret = clk_prepare_enable(clock);
+ if (ret) {
+ dev_err(core->dev, "failed to enable clock %d\n", clk_type);
+ return ret;
+ }
+
+ return ret;
+}
+
+int iris_disable_unprepare_clock(struct iris_core *core, enum platform_clk_type clk_type)
+{
+ struct clk *clock;
+
+ clock = iris_get_clk_by_type(core, clk_type);
+ if (!clock) {
+ dev_err(core->dev, "failed to get clk: %d\n", clk_type);
+ return -EINVAL;
+ }
+
+ clk_disable_unprepare(clock);
+
+ return 0;
+}
+
static int iris_init_resets(struct iris_core *core)
{
const char * const *rst_tbl;
@@ -149,6 +302,20 @@ static int iris_init_resets(struct iris_core *core)
return 0;
}

+int iris_reset_ahb2axi_bridge(struct iris_core *core)
+{
+ u32 rst_tbl_size;
+ int ret;
+
+ rst_tbl_size = core->iris_platform_data->clk_rst_tbl_size;
+
+ ret = reset_control_bulk_reset(rst_tbl_size, core->resets);
+ if (ret)
+ dev_err(core->dev, "failed to toggle resets: %d\n", ret);
+
+ return ret;
+}
+
int iris_init_resources(struct iris_core *core)
{
int ret;
diff --git a/drivers/media/platform/qcom/iris/iris_resources.h b/drivers/media/platform/qcom/iris/iris_resources.h
index b0217399030a..a13d8307cb2c 100644
--- a/drivers/media/platform/qcom/iris/iris_resources.h
+++ b/drivers/media/platform/qcom/iris/iris_resources.h
@@ -14,6 +14,14 @@ struct icc_info {
u32 bw_max_kbps;
};

+int iris_enable_power_domains(struct iris_core *core, struct device *pd_dev);
+int iris_disable_power_domains(struct iris_core *core, struct device *pd_dev);
+int iris_unset_icc_bw(struct iris_core *core);
+int iris_set_icc_bw(struct iris_core *core, unsigned long icc_bw);
+int iris_reset_ahb2axi_bridge(struct iris_core *core);
+int iris_opp_set_rate(struct iris_core *core, u64 freq);
+int iris_disable_unprepare_clock(struct iris_core *core, enum platform_clk_type clk_type);
+int iris_prepare_enable_clock(struct iris_core *core, enum platform_clk_type clk_type);
int iris_init_resources(struct iris_core *core);

#endif
diff --git a/drivers/media/platform/qcom/iris/iris_vidc.c b/drivers/media/platform/qcom/iris/iris_vidc.c
index a5c4e73ae531..bc0a3232214b 100644
--- a/drivers/media/platform/qcom/iris/iris_vidc.c
+++ b/drivers/media/platform/qcom/iris/iris_vidc.c
@@ -3,6 +3,7 @@
* Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
*/

+#include <linux/pm_runtime.h>
#include <media/v4l2-ioctl.h>
#include <media/v4l2-mem2mem.h>

@@ -96,12 +97,19 @@ int iris_open(struct file *filp)
struct iris_inst *inst = NULL;
int ret;

+ ret = pm_runtime_resume_and_get(core->dev);
+ if (ret < 0)
+ return ret;
+
ret = iris_core_init(core);
if (ret) {
dev_err(core->dev, "core init failed\n");
+ pm_runtime_put_sync(core->dev);
return ret;
}

+ pm_runtime_put_sync(core->dev);
+
inst = core->iris_platform_data->get_instance();
if (!inst)
return -ENOMEM;
diff --git a/drivers/media/platform/qcom/iris/iris_vpu2.c b/drivers/media/platform/qcom/iris/iris_vpu2.c
new file mode 100644
index 000000000000..bd8427411576
--- /dev/null
+++ b/drivers/media/platform/qcom/iris/iris_vpu2.c
@@ -0,0 +1,11 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#include "iris_instance.h"
+#include "iris_vpu_common.h"
+
+const struct vpu_ops iris_vpu2_ops = {
+ .power_off_hw = iris_vpu_power_off_hw,
+};
diff --git a/drivers/media/platform/qcom/iris/iris_vpu3.c b/drivers/media/platform/qcom/iris/iris_vpu3.c
new file mode 100644
index 000000000000..414b8ec67b33
--- /dev/null
+++ b/drivers/media/platform/qcom/iris/iris_vpu3.c
@@ -0,0 +1,79 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#include <linux/iopoll.h>
+
+#include "iris_instance.h"
+#include "iris_vpu_common.h"
+#include "iris_vpu_register_defines.h"
+
+#define AON_MVP_NOC_RESET 0x0001F000
+
+#define WRAPPER_CORE_CLOCK_CONFIG (WRAPPER_BASE_OFFS + 0x88)
+
+#define CPU_CS_AHB_BRIDGE_SYNC_RESET (CPU_CS_BASE_OFFS + 0x160)
+
+#define AON_WRAPPER_MVP_NOC_RESET_REQ (AON_MVP_NOC_RESET + 0x000)
+#define AON_WRAPPER_MVP_NOC_RESET_ACK (AON_MVP_NOC_RESET + 0x004)
+
+#define VCODEC_SS_IDLE_STATUSN (VCODEC_BASE_OFFS + 0x70)
+
+static bool iris_vpu3_hw_power_collapsed(struct iris_core *core)
+{
+ u32 value = 0, pwr_status = 0;
+
+ value = readl(core->reg_base + WRAPPER_CORE_POWER_STATUS);
+ pwr_status = value & BIT(1);
+
+ return pwr_status ? false : true;
+}
+
+static void iris_vpu3_power_off_hardware(struct iris_core *core)
+{
+ u32 reg_val = 0;
+ u32 value = 0;
+ int ret, i;
+
+ if (iris_vpu3_hw_power_collapsed(core))
+ goto disable_power;
+
+ dev_err(core->dev, "video hw is power on\n");
+
+ value = readl(core->reg_base + WRAPPER_CORE_CLOCK_CONFIG);
+ if (value)
+ writel(0, core->reg_base + WRAPPER_CORE_CLOCK_CONFIG);
+
+ for (i = 0; i < core->iris_platform_data->num_vpp_pipe; i++) {
+ ret = readl_poll_timeout(core->reg_base + VCODEC_SS_IDLE_STATUSN + 4 * i,
+ reg_val, reg_val & 0x400000, 2000, 20000);
+ if (ret)
+ goto disable_power;
+ }
+
+ writel(0x3, core->reg_base + AON_WRAPPER_MVP_NOC_RESET_REQ);
+
+ ret = readl_poll_timeout(core->reg_base + AON_WRAPPER_MVP_NOC_RESET_ACK,
+ reg_val, reg_val & 0x3, 200, 2000);
+ if (ret)
+ goto disable_power;
+
+ writel(0x0, core->reg_base + AON_WRAPPER_MVP_NOC_RESET_REQ);
+
+ ret = readl_poll_timeout(core->reg_base + AON_WRAPPER_MVP_NOC_RESET_ACK,
+ reg_val, !(reg_val & 0x3), 200, 2000);
+ if (ret)
+ goto disable_power;
+
+ writel(0x3, core->reg_base + CPU_CS_AHB_BRIDGE_SYNC_RESET);
+ writel(0x2, core->reg_base + CPU_CS_AHB_BRIDGE_SYNC_RESET);
+ writel(0x0, core->reg_base + CPU_CS_AHB_BRIDGE_SYNC_RESET);
+
+disable_power:
+ iris_vpu_power_off_hw(core);
+}
+
+const struct vpu_ops iris_vpu3_ops = {
+ .power_off_hw = iris_vpu3_power_off_hardware,
+};
diff --git a/drivers/media/platform/qcom/iris/iris_vpu_common.c b/drivers/media/platform/qcom/iris/iris_vpu_common.c
index 5930cf105a87..23e4afe24761 100644
--- a/drivers/media/platform/qcom/iris/iris_vpu_common.c
+++ b/drivers/media/platform/qcom/iris/iris_vpu_common.c
@@ -7,10 +7,11 @@

#include "iris_core.h"
#include "iris_vpu_common.h"
+#include "iris_vpu_register_defines.h"

-#define CPU_BASE_OFFS 0x000A0000
+#define WRAPPER_TZ_BASE_OFFS 0x000C0000
+#define AON_BASE_OFFS 0x000E0000

-#define CPU_CS_BASE_OFFS (CPU_BASE_OFFS)
#define CPU_IC_BASE_OFFS (CPU_BASE_OFFS)

#define CPU_CS_A2HSOFTINTCLR (CPU_CS_BASE_OFFS + 0x1C)
@@ -18,7 +19,9 @@
#define CTRL_INIT (CPU_CS_BASE_OFFS + 0x48)
#define CTRL_STATUS (CPU_CS_BASE_OFFS + 0x4C)

+#define CTRL_INIT_IDLE_MSG_BMSK 0x40000000
#define CTRL_ERROR_STATUS__M 0xfe
+#define CTRL_STATUS_PC_READY 0x100

#define QTBL_INFO (CPU_CS_BASE_OFFS + 0x50)
#define QTBL_ADDR (CPU_CS_BASE_OFFS + 0x54)
@@ -33,11 +36,35 @@
#define CPU_IC_SOFTINT (CPU_IC_BASE_OFFS + 0x150)
#define CPU_IC_SOFTINT_H2A_SHFT 0x0

-#define WRAPPER_BASE_OFFS 0x000B0000
#define WRAPPER_INTR_STATUS (WRAPPER_BASE_OFFS + 0x0C)
#define WRAPPER_INTR_STATUS_A2HWD_BMSK 0x8
#define WRAPPER_INTR_STATUS_A2H_BMSK 0x4
-#define CTRL_INIT_IDLE_MSG_BMSK 0x40000000
+
+#define WRAPPER_INTR_MASK (WRAPPER_BASE_OFFS + 0x10)
+#define WRAPPER_INTR_MASK_A2HWD_BMSK 0x8
+#define WRAPPER_INTR_MASK_A2HCPU_BMSK 0x4
+
+#define WRAPPER_DEBUG_BRIDGE_LPI_CONTROL (WRAPPER_BASE_OFFS + 0x54)
+#define WRAPPER_DEBUG_BRIDGE_LPI_STATUS (WRAPPER_BASE_OFFS + 0x58)
+#define WRAPPER_IRIS_CPU_NOC_LPI_CONTROL (WRAPPER_BASE_OFFS + 0x5C)
+#define WRAPPER_IRIS_CPU_NOC_LPI_STATUS (WRAPPER_BASE_OFFS + 0x60)
+
+#define WRAPPER_TZ_CPU_STATUS (WRAPPER_TZ_BASE_OFFS + 0x10)
+#define WRAPPER_TZ_CTL_AXI_CLOCK_CONFIG (WRAPPER_TZ_BASE_OFFS + 0x14)
+#define WRAPPER_TZ_QNS4PDXFIFO_RESET (WRAPPER_TZ_BASE_OFFS + 0x18)
+
+#define AON_WRAPPER_MVP_NOC_LPI_CONTROL (AON_BASE_OFFS)
+#define AON_WRAPPER_MVP_NOC_LPI_STATUS (AON_BASE_OFFS + 0x4)
+
+static void iris_vpu_interrupt_init(struct iris_core *core)
+{
+ u32 mask_val;
+
+ mask_val = readl(core->reg_base + WRAPPER_INTR_MASK);
+ mask_val &= ~(WRAPPER_INTR_MASK_A2HWD_BMSK |
+ WRAPPER_INTR_MASK_A2HCPU_BMSK);
+ writel(mask_val, core->reg_base + WRAPPER_INTR_MASK);
+}

static void iris_vpu_setup_ucregion_memory_map(struct iris_core *core)
{
@@ -127,3 +154,218 @@ int iris_vpu_watchdog(struct iris_core *core, u32 intr_status)

return 0;
}
+
+int iris_vpu_prepare_pc(struct iris_core *core)
+{
+ u32 wfi_status = 0, idle_status = 0, pc_ready = 0;
+ u32 ctrl_status = 0;
+ int val = 0;
+ int ret;
+
+ ctrl_status = readl(core->reg_base + CTRL_STATUS);
+ pc_ready = ctrl_status & CTRL_STATUS_PC_READY;
+ idle_status = ctrl_status & BIT(30);
+ if (pc_ready)
+ return 0;
+
+ wfi_status = readl(core->reg_base + WRAPPER_TZ_CPU_STATUS);
+ wfi_status &= BIT(0);
+ if (!wfi_status || !idle_status)
+ goto skip_power_off;
+
+ ret = core->hfi_ops->sys_pc_prep(core);
+ if (ret) {
+ dev_err(core->dev, "failed to prepare iris for power off\n");
+ goto skip_power_off;
+ }
+
+ ret = readl_poll_timeout(core->reg_base + CTRL_STATUS, val,
+ val & CTRL_STATUS_PC_READY, 250, 2500);
+ if (ret)
+ goto skip_power_off;
+
+ ret = readl_poll_timeout(core->reg_base + WRAPPER_TZ_CPU_STATUS,
+ val, val & BIT(0), 250, 2500);
+ if (ret)
+ goto skip_power_off;
+
+ return 0;
+
+skip_power_off:
+ ctrl_status = readl(core->reg_base + CTRL_STATUS);
+ wfi_status = readl(core->reg_base + WRAPPER_TZ_CPU_STATUS);
+ wfi_status &= BIT(0);
+ dev_err(core->dev, "skip power collapse, wfi=%#x, idle=%#x, pcr=%#x, ctrl=%#x)\n",
+ wfi_status, idle_status, pc_ready, ctrl_status);
+
+ return -EAGAIN;
+}
+
+static int iris_vpu_power_off_controller(struct iris_core *core)
+{
+ int val = 0;
+ int ret;
+
+ writel(0x3, core->reg_base + CPU_CS_X2RPMH);
+
+ writel(0x1, core->reg_base + AON_WRAPPER_MVP_NOC_LPI_CONTROL);
+
+ ret = readl_poll_timeout(core->reg_base + AON_WRAPPER_MVP_NOC_LPI_STATUS,
+ val, val & BIT(0), 200, 2000);
+ if (ret)
+ goto disable_power;
+
+ writel(0x1, core->reg_base + WRAPPER_IRIS_CPU_NOC_LPI_CONTROL);
+
+ ret = readl_poll_timeout(core->reg_base + WRAPPER_IRIS_CPU_NOC_LPI_STATUS,
+ val, val & BIT(0), 200, 2000);
+ if (ret)
+ goto disable_power;
+
+ writel(0x0, core->reg_base + WRAPPER_DEBUG_BRIDGE_LPI_CONTROL);
+
+ ret = readl_poll_timeout(core->reg_base + WRAPPER_DEBUG_BRIDGE_LPI_STATUS,
+ val, val == 0, 200, 2000);
+ if (ret)
+ goto disable_power;
+
+ writel(0x3, core->reg_base + WRAPPER_TZ_CTL_AXI_CLOCK_CONFIG);
+ writel(0x1, core->reg_base + WRAPPER_TZ_QNS4PDXFIFO_RESET);
+ writel(0x0, core->reg_base + WRAPPER_TZ_QNS4PDXFIFO_RESET);
+ writel(0x0, core->reg_base + WRAPPER_TZ_CTL_AXI_CLOCK_CONFIG);
+
+disable_power:
+ iris_disable_unprepare_clock(core, IRIS_CTRL_CLK);
+ iris_disable_unprepare_clock(core, IRIS_AXI_CLK);
+ iris_disable_power_domains(core, core->pmdomain_tbl->pd_devs[IRIS_CTRL_POWER_DOMAIN]);
+
+ return 0;
+}
+
+void iris_vpu_power_off_hw(struct iris_core *core)
+{
+ dev_pm_genpd_set_hwmode(core->pmdomain_tbl->pd_devs[IRIS_HW_POWER_DOMAIN], false);
+ iris_disable_power_domains(core, core->pmdomain_tbl->pd_devs[IRIS_HW_POWER_DOMAIN]);
+ iris_disable_unprepare_clock(core, IRIS_HW_CLK);
+}
+
+void iris_vpu_power_off(struct iris_core *core)
+{
+ if (!core->power_enabled)
+ return;
+
+ iris_opp_set_rate(core, 0);
+ core->iris_platform_data->vpu_ops->power_off_hw(core);
+ iris_vpu_power_off_controller(core);
+ iris_unset_icc_bw(core);
+
+ if (!iris_vpu_watchdog(core, core->intr_status))
+ disable_irq_nosync(core->irq);
+
+ core->power_enabled = false;
+}
+
+static int iris_vpu_power_on_controller(struct iris_core *core)
+{
+ int ret;
+
+ ret = iris_enable_power_domains(core, core->pmdomain_tbl->pd_devs[IRIS_CTRL_POWER_DOMAIN]);
+ if (ret)
+ return ret;
+
+ ret = iris_reset_ahb2axi_bridge(core);
+ if (ret)
+ goto err_disable_power;
+
+ ret = iris_prepare_enable_clock(core, IRIS_AXI_CLK);
+ if (ret)
+ goto err_disable_power;
+
+ ret = iris_prepare_enable_clock(core, IRIS_CTRL_CLK);
+ if (ret)
+ goto err_disable_clock;
+
+ return 0;
+
+err_disable_clock:
+ iris_disable_unprepare_clock(core, IRIS_AXI_CLK);
+err_disable_power:
+ iris_disable_power_domains(core, core->pmdomain_tbl->pd_devs[IRIS_CTRL_POWER_DOMAIN]);
+
+ return ret;
+}
+
+static int iris_vpu_power_on_hw(struct iris_core *core)
+{
+ int ret;
+
+ ret = iris_enable_power_domains(core, core->pmdomain_tbl->pd_devs[IRIS_HW_POWER_DOMAIN]);
+ if (ret)
+ return ret;
+
+ ret = iris_prepare_enable_clock(core, IRIS_HW_CLK);
+ if (ret)
+ goto err_disable_power;
+
+ ret = dev_pm_genpd_set_hwmode(core->pmdomain_tbl->pd_devs[IRIS_HW_POWER_DOMAIN], true);
+ if (ret)
+ goto err_disable_clock;
+
+ return 0;
+
+err_disable_clock:
+ iris_disable_unprepare_clock(core, IRIS_HW_CLK);
+err_disable_power:
+ iris_disable_power_domains(core, core->pmdomain_tbl->pd_devs[IRIS_HW_POWER_DOMAIN]);
+
+ return ret;
+}
+
+int iris_vpu_power_on(struct iris_core *core)
+{
+ u32 freq = 0;
+ int ret;
+
+ if (core->power_enabled)
+ return 0;
+
+ if (core->state != IRIS_CORE_INIT)
+ return -EINVAL;
+
+ ret = iris_set_icc_bw(core, INT_MAX);
+ if (ret)
+ goto err;
+
+ ret = iris_vpu_power_on_controller(core);
+ if (ret)
+ goto err_unvote_icc;
+
+ ret = iris_vpu_power_on_hw(core);
+ if (ret)
+ goto err_power_off_ctrl;
+
+ core->power_enabled = true;
+
+ freq = core->power.clk_freq ? core->power.clk_freq :
+ (u32)ULONG_MAX;
+
+ iris_opp_set_rate(core, freq);
+
+ core->iris_platform_data->set_preset_registers(core);
+
+ iris_vpu_interrupt_init(core);
+ core->intr_status = 0;
+ enable_irq(core->irq);
+
+ return 0;
+
+err_power_off_ctrl:
+ dev_err(core->dev, "power on failed\n");
+ iris_vpu_power_off_controller(core);
+err_unvote_icc:
+ iris_unset_icc_bw(core);
+err:
+ core->power_enabled = false;
+
+ return ret;
+}
diff --git a/drivers/media/platform/qcom/iris/iris_vpu_common.h b/drivers/media/platform/qcom/iris/iris_vpu_common.h
index 706b207bc295..525bbb52dd79 100644
--- a/drivers/media/platform/qcom/iris/iris_vpu_common.h
+++ b/drivers/media/platform/qcom/iris/iris_vpu_common.h
@@ -8,9 +8,20 @@

struct iris_core;

+extern const struct vpu_ops iris_vpu2_ops;
+extern const struct vpu_ops iris_vpu3_ops;
+
+struct vpu_ops {
+ void (*power_off_hw)(struct iris_core *core);
+};
+
int iris_vpu_boot_firmware(struct iris_core *core);
void iris_vpu_raise_interrupt(struct iris_core *core);
void iris_vpu_clear_interrupt(struct iris_core *core);
int iris_vpu_watchdog(struct iris_core *core, u32 intr_status);
+int iris_vpu_prepare_pc(struct iris_core *core);
+int iris_vpu_power_on(struct iris_core *core);
+void iris_vpu_power_off_hw(struct iris_core *core);
+void iris_vpu_power_off(struct iris_core *core);

#endif
diff --git a/drivers/media/platform/qcom/iris/iris_vpu_register_defines.h b/drivers/media/platform/qcom/iris/iris_vpu_register_defines.h
new file mode 100644
index 000000000000..818c81048fe5
--- /dev/null
+++ b/drivers/media/platform/qcom/iris/iris_vpu_register_defines.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (c) 2022-2024 Qualcomm Innovation Center, Inc. All rights reserved.
+ */
+
+#ifndef _IRIS_VPU_REGISTER_DEFINES_H_
+#define _IRIS_VPU_REGISTER_DEFINES_H_
+
+#define VCODEC_BASE_OFFS 0x00000000
+#define CPU_BASE_OFFS 0x000A0000
+#define WRAPPER_BASE_OFFS 0x000B0000
+
+#define CPU_CS_BASE_OFFS (CPU_BASE_OFFS)
+
+#define WRAPPER_CORE_POWER_STATUS (WRAPPER_BASE_OFFS + 0x80)
+
+#endif

--
2.34.1