From: Yunfei Dong <yunfei.d...@mediatek.com>

MT8183's codec firwmare is run by a different remote processor from
MT8173. While the firmware interface is basically the same, the way to
invoke it differs. Abstract all firmware calls under a layer that will
allow us to handle both firmware types transparently.

Signed-off-by: Yunfei Dong <yunfei.d...@mediatek.com>
Co-developed-by: Alexandre Courbot <acour...@chromium.org>
Signed-off-by: Alexandre Courbot <acour...@chromium.org>
[acourbot: refactor, cleanup and split]
---
 drivers/media/platform/mtk-vcodec/Makefile    |   4 +-
 .../platform/mtk-vcodec/mtk_vcodec_dec_drv.c  |  47 ++----
 .../platform/mtk-vcodec/mtk_vcodec_dec_pm.c   |   1 -
 .../platform/mtk-vcodec/mtk_vcodec_drv.h      |   5 +-
 .../platform/mtk-vcodec/mtk_vcodec_enc_drv.c  |  46 ++---
 .../platform/mtk-vcodec/mtk_vcodec_enc_pm.c   |   2 -
 .../media/platform/mtk-vcodec/mtk_vcodec_fw.c | 157 ++++++++++++++++++
 .../media/platform/mtk-vcodec/mtk_vcodec_fw.h |  36 ++++
 .../platform/mtk-vcodec/mtk_vcodec_util.c     |   1 -
 .../platform/mtk-vcodec/vdec/vdec_h264_if.c   |   1 -
 .../platform/mtk-vcodec/vdec/vdec_vp8_if.c    |   1 -
 .../platform/mtk-vcodec/vdec/vdec_vp9_if.c    |   1 -
 .../media/platform/mtk-vcodec/vdec_drv_base.h |   2 -
 .../media/platform/mtk-vcodec/vdec_drv_if.c   |   1 -
 .../media/platform/mtk-vcodec/vdec_vpu_if.c   |  10 +-
 .../media/platform/mtk-vcodec/vdec_vpu_if.h   |  11 +-
 .../platform/mtk-vcodec/venc/venc_h264_if.c   |  15 +-
 .../platform/mtk-vcodec/venc/venc_vp8_if.c    |   8 +-
 .../media/platform/mtk-vcodec/venc_drv_if.c   |   1 -
 .../media/platform/mtk-vcodec/venc_vpu_if.c   |  15 +-
 .../media/platform/mtk-vcodec/venc_vpu_if.h   |   5 +-
 21 files changed, 270 insertions(+), 100 deletions(-)
 create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c
 create mode 100644 drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.h

diff --git a/drivers/media/platform/mtk-vcodec/Makefile 
b/drivers/media/platform/mtk-vcodec/Makefile
index 5dc588897d01..a9e189af5ba4 100644
--- a/drivers/media/platform/mtk-vcodec/Makefile
+++ b/drivers/media/platform/mtk-vcodec/Makefile
@@ -13,7 +13,7 @@ mtk-vcodec-dec-y := vdec/vdec_h264_if.o \
                mtk_vcodec_dec.o \
                mtk_vcodec_dec_stateful.o \
                mtk_vcodec_dec_pm.o \
-
+               mtk_vcodec_fw.o
 
 mtk-vcodec-enc-y := venc/venc_vp8_if.o \
                venc/venc_h264_if.o \
@@ -26,5 +26,3 @@ mtk-vcodec-enc-y := venc/venc_vp8_if.o \
 
 mtk-vcodec-common-y := mtk_vcodec_intr.o \
                mtk_vcodec_util.o\
-
-ccflags-y += -I$(srctree)/drivers/media/platform/mtk-vpu
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c 
b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
index 5a31917da18c..2328bb9580be 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
@@ -28,7 +28,7 @@
 #include "mtk_vcodec_dec_pm.h"
 #include "mtk_vcodec_intr.h"
 #include "mtk_vcodec_util.h"
-#include "mtk_vpu.h"
+#include "mtk_vcodec_fw.h"
 
 #define VDEC_HW_ACTIVE 0x10
 #define VDEC_IRQ_CFG   0x11
@@ -85,22 +85,6 @@ static irqreturn_t mtk_vcodec_dec_irq_handler(int irq, void 
*priv)
        return IRQ_HANDLED;
 }
 
-static void mtk_vcodec_dec_reset_handler(void *priv)
-{
-       struct mtk_vcodec_dev *dev = priv;
-       struct mtk_vcodec_ctx *ctx;
-
-       mtk_v4l2_err("Watchdog timeout!!");
-
-       mutex_lock(&dev->dev_mutex);
-       list_for_each_entry(ctx, &dev->ctx_list, list) {
-               ctx->state = MTK_STATE_ABORT;
-               mtk_v4l2_debug(0, "[%d] Change to state MTK_STATE_ERROR",
-                               ctx->id);
-       }
-       mutex_unlock(&dev->dev_mutex);
-}
-
 static int fops_vcodec_open(struct file *file)
 {
        struct mtk_vcodec_dev *dev = video_drvdata(file);
@@ -152,21 +136,20 @@ static int fops_vcodec_open(struct file *file)
        if (v4l2_fh_is_singular(&ctx->fh)) {
                mtk_vcodec_dec_pw_on(&dev->pm);
                /*
-                * vpu_load_firmware checks if it was loaded already and
-                * does nothing in that case
+                * Does nothing if firmware was already loaded.
                 */
-               ret = vpu_load_firmware(dev->vpu_plat_dev);
+               ret = mtk_vcodec_fw_load_firmware(dev->fw_handler);
                if (ret < 0) {
                        /*
                         * Return 0 if downloading firmware successfully,
                         * otherwise it is failed
                         */
-                       mtk_v4l2_err("vpu_load_firmware failed!");
+                       mtk_v4l2_err("failed to load firmware!");
                        goto err_load_fw;
                }
 
                dev->dec_capability =
-                       vpu_get_vdec_hw_capa(dev->vpu_plat_dev);
+                       mtk_vcodec_fw_get_vdec_capa(dev->fw_handler);
                mtk_v4l2_debug(0, "decoder capability %x", dev->dec_capability);
        }
 
@@ -236,6 +219,8 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
        struct mtk_vcodec_dev *dev;
        struct video_device *vfd_dec;
        struct resource *res;
+       phandle rproc_phandle;
+       enum mtk_vcodec_fw_type fw_type;
        int i, ret;
 
        dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
@@ -245,14 +230,18 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
        INIT_LIST_HEAD(&dev->ctx_list);
        dev->plat_dev = pdev;
 
-       dev->vpu_plat_dev = vpu_get_plat_device(dev->plat_dev);
-       if (dev->vpu_plat_dev == NULL) {
-               mtk_v4l2_err("[VPU] vpu device in not ready");
-               return -EPROBE_DEFER;
+       dev->vdec_pdata = of_device_get_match_data(&pdev->dev);
+       if (!of_property_read_u32(pdev->dev.of_node, "mediatek,vpu",
+                                 &rproc_phandle)) {
+               fw_type = VPU;
+       } else {
+               mtk_v4l2_err("Could not get vdec IPI device");
+               return -ENODEV;
        }
-
-       vpu_wdt_reg_handler(dev->vpu_plat_dev, mtk_vcodec_dec_reset_handler,
-                       dev, VPU_RST_DEC);
+       dev->fw_handler = mtk_vcodec_fw_select(dev, fw_type, rproc_phandle,
+                                              VPU_RST_DEC);
+       if (IS_ERR(dev->fw_handler))
+               return PTR_ERR(dev->fw_handler);
 
        ret = mtk_vcodec_init_dec_pm(dev);
        if (ret < 0) {
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c 
b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c
index 7884465afcd2..341706f49f7b 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_pm.c
@@ -20,7 +20,6 @@
 
 #include "mtk_vcodec_dec_pm.h"
 #include "mtk_vcodec_util.h"
-#include "mtk_vpu.h"
 
 int mtk_vcodec_init_dec_pm(struct mtk_vcodec_dev *mtkdev)
 {
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h 
b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
index 03ce5d05f58c..015a86796110 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_drv.h
@@ -355,7 +355,6 @@ struct mtk_vcodec_dec_pdata {
  * @m2m_dev_dec: m2m device for decoder
  * @m2m_dev_enc: m2m device for encoder.
  * @plat_dev: platform device
- * @vpu_plat_dev: mtk vpu platform device
  * @ctx_list: list of struct mtk_vcodec_ctx
  * @irqlock: protect data access by irq handler and work thread
  * @curr_ctx: The context that is waiting for codec hardware
@@ -363,6 +362,7 @@ struct mtk_vcodec_dec_pdata {
  * @reg_base: Mapped address of MTK Vcodec registers.
  * @vdec_pdata: Current arch private data.
  *
+ * @fw_handler: used to communicate with the firmware.
  * @id_counter: used to identify current opened instance
  *
  * @encode_workqueue: encode work queue
@@ -391,13 +391,14 @@ struct mtk_vcodec_dev {
        struct v4l2_m2m_dev *m2m_dev_dec;
        struct v4l2_m2m_dev *m2m_dev_enc;
        struct platform_device *plat_dev;
-       struct platform_device *vpu_plat_dev;
        struct list_head ctx_list;
        spinlock_t irqlock;
        struct mtk_vcodec_ctx *curr_ctx;
        void __iomem *reg_base[NUM_MAX_VCODEC_REG_BASE];
        const struct mtk_vcodec_dec_pdata *vdec_pdata;
 
+       struct mtk_vcodec_fw *fw_handler;
+
        unsigned long id_counter;
 
        struct workqueue_struct *decode_workqueue;
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c 
b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
index 83f859e8509c..598d4bb86e35 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
@@ -29,7 +29,7 @@
 #include "mtk_vcodec_enc_pm.h"
 #include "mtk_vcodec_intr.h"
 #include "mtk_vcodec_util.h"
-#include "mtk_vpu.h"
+#include "mtk_vcodec_fw.h"
 
 module_param(mtk_v4l2_dbg_level, int, S_IRUGO | S_IWUSR);
 module_param(mtk_vcodec_dbg, bool, S_IRUGO | S_IWUSR);
@@ -109,22 +109,6 @@ static irqreturn_t mtk_vcodec_enc_lt_irq_handler(int irq, 
void *priv)
        return IRQ_HANDLED;
 }
 
-static void mtk_vcodec_enc_reset_handler(void *priv)
-{
-       struct mtk_vcodec_dev *dev = priv;
-       struct mtk_vcodec_ctx *ctx;
-
-       mtk_v4l2_debug(0, "Watchdog timeout!!");
-
-       mutex_lock(&dev->dev_mutex);
-       list_for_each_entry(ctx, &dev->ctx_list, list) {
-               ctx->state = MTK_STATE_ABORT;
-               mtk_v4l2_debug(0, "[%d] Change to state MTK_STATE_ABORT",
-                               ctx->id);
-       }
-       mutex_unlock(&dev->dev_mutex);
-}
-
 static int fops_vcodec_open(struct file *file)
 {
        struct mtk_vcodec_dev *dev = video_drvdata(file);
@@ -167,10 +151,10 @@ static int fops_vcodec_open(struct file *file)
 
        if (v4l2_fh_is_singular(&ctx->fh)) {
                /*
-                * vpu_load_firmware checks if it was loaded already and
+                * load fireware to checks if it was loaded already and
                 * does nothing in that case
                 */
-               ret = vpu_load_firmware(dev->vpu_plat_dev);
+               ret = mtk_vcodec_fw_load_firmware(dev->fw_handler);
                if (ret < 0) {
                        /*
                         * Return 0 if downloading firmware successfully,
@@ -180,8 +164,8 @@ static int fops_vcodec_open(struct file *file)
                        goto err_load_fw;
                }
 
-               dev->enc_capability =
-                       vpu_get_venc_hw_capa(dev->vpu_plat_dev);
+               dev->dec_capability =
+                       mtk_vcodec_fw_get_venc_capa(dev->fw_handler);
                mtk_v4l2_debug(0, "encoder capability %x", dev->enc_capability);
        }
 
@@ -243,6 +227,8 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
        struct mtk_vcodec_dev *dev;
        struct video_device *vfd_enc;
        struct resource *res;
+       phandle rproc_phandle;
+       enum mtk_vcodec_fw_type fw_type;
        int i, j, ret;
 
        dev = devm_kzalloc(&pdev->dev, sizeof(*dev), GFP_KERNEL);
@@ -252,14 +238,18 @@ static int mtk_vcodec_probe(struct platform_device *pdev)
        INIT_LIST_HEAD(&dev->ctx_list);
        dev->plat_dev = pdev;
 
-       dev->vpu_plat_dev = vpu_get_plat_device(dev->plat_dev);
-       if (dev->vpu_plat_dev == NULL) {
-               mtk_v4l2_err("[VPU] vpu device in not ready");
-               return -EPROBE_DEFER;
+       dev->vdec_pdata = of_device_get_match_data(&pdev->dev);
+       if (!of_property_read_u32(pdev->dev.of_node, "mediatek,vpu",
+                                 &rproc_phandle)) {
+               fw_type = VPU;
+       } else {
+               mtk_v4l2_err("Could not get vdec IPI device");
+               return -ENODEV;
        }
-
-       vpu_wdt_reg_handler(dev->vpu_plat_dev, mtk_vcodec_enc_reset_handler,
-                               dev, VPU_RST_ENC);
+       dev->fw_handler = mtk_vcodec_fw_select(dev, fw_type, rproc_phandle,
+                                              VPU_RST_ENC);
+       if (dev->fw_handler == NULL)
+               return -EINVAL;
 
        ret = mtk_vcodec_init_enc_pm(dev);
        if (ret < 0) {
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c 
b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
index 2fdae50173be..2b7d650fc048 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_pm.c
@@ -20,8 +20,6 @@
 
 #include "mtk_vcodec_enc_pm.h"
 #include "mtk_vcodec_util.h"
-#include "mtk_vpu.h"
-
 
 int mtk_vcodec_init_enc_pm(struct mtk_vcodec_dev *mtkdev)
 {
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c 
b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c
new file mode 100644
index 000000000000..49dbd623b448
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c
@@ -0,0 +1,157 @@
+// SPDX-License-Identifier: GPL-2.0
+
+#include "mtk_vcodec_fw.h"
+#include "mtk_vcodec_util.h"
+#include "mtk_vcodec_drv.h"
+
+struct mtk_vcodec_fw_ops {
+       int (*load_firmware)(struct mtk_vcodec_fw *fw);
+       unsigned int (*get_vdec_capa)(struct mtk_vcodec_fw *fw);
+       unsigned int (*get_venc_capa)(struct mtk_vcodec_fw *fw);
+       void * (*map_dm_addr)(struct mtk_vcodec_fw *fw, u32 dtcm_dmem_addr);
+       int (*ipi_register)(struct mtk_vcodec_fw *fw, int id,
+               mtk_vcodec_ipi_handler handler, const char *name, void *priv);
+       int (*ipi_send)(struct mtk_vcodec_fw *fw, int id, void *buf,
+               unsigned int len, unsigned int wait);
+};
+
+struct mtk_vcodec_fw {
+       const struct mtk_vcodec_fw_ops *ops;
+       struct platform_device *pdev;
+       struct rproc *rproc;
+};
+
+static int mtk_vcodec_vpu_load_firmware(struct mtk_vcodec_fw *fw)
+{
+       return vpu_load_firmware(fw->pdev);
+}
+
+static unsigned int mtk_vcodec_vpu_get_vdec_capa(struct mtk_vcodec_fw *fw)
+{
+       return vpu_get_vdec_hw_capa(fw->pdev);
+}
+
+static unsigned int mtk_vcodec_vpu_get_venc_capa(struct mtk_vcodec_fw *fw)
+{
+       return vpu_get_venc_hw_capa(fw->pdev);
+}
+
+static void *mtk_vcodec_vpu_map_dm_addr(struct mtk_vcodec_fw *fw,
+                                       u32 dtcm_dmem_addr)
+{
+       return vpu_mapping_dm_addr(fw->pdev, dtcm_dmem_addr);
+}
+
+static int mtk_vcodec_vpu_set_ipi_register(struct mtk_vcodec_fw *fw, int id,
+               mtk_vcodec_ipi_handler handler, const char *name, void *priv)
+{
+       return vpu_ipi_register(fw->pdev, id, handler, name, priv);
+}
+
+static int mtk_vcodec_vpu_ipi_send(struct mtk_vcodec_fw *fw, int id, void *buf,
+               unsigned int len, unsigned int wait)
+{
+       return vpu_ipi_send(fw->pdev, id, buf, len);
+}
+
+static const struct mtk_vcodec_fw_ops mtk_vcodec_vpu_msg = {
+       .load_firmware = mtk_vcodec_vpu_load_firmware,
+       .get_vdec_capa = mtk_vcodec_vpu_get_vdec_capa,
+       .get_venc_capa = mtk_vcodec_vpu_get_venc_capa,
+       .map_dm_addr = mtk_vcodec_vpu_map_dm_addr,
+       .ipi_register = mtk_vcodec_vpu_set_ipi_register,
+       .ipi_send = mtk_vcodec_vpu_ipi_send,
+};
+
+static void mtk_vcodec_reset_handler(void *priv)
+{
+       struct mtk_vcodec_dev *dev = priv;
+       struct mtk_vcodec_ctx *ctx;
+
+       mtk_v4l2_err("Watchdog timeout!!");
+
+       mutex_lock(&dev->dev_mutex);
+       list_for_each_entry(ctx, &dev->ctx_list, list) {
+               ctx->state = MTK_STATE_ABORT;
+               mtk_v4l2_debug(0, "[%d] Change to state MTK_STATE_ABORT",
+                               ctx->id);
+       }
+       mutex_unlock(&dev->dev_mutex);
+}
+
+struct mtk_vcodec_fw *mtk_vcodec_fw_select(struct mtk_vcodec_dev *dev,
+                                          enum mtk_vcodec_fw_type type,
+                                          phandle rproc_phandle,
+                                          enum rst_id rst_id)
+{
+       const struct mtk_vcodec_fw_ops *ops;
+       struct mtk_vcodec_fw *fw;
+       struct platform_device *fw_pdev;
+       struct rproc *rproc = NULL;
+
+       switch (type) {
+       case VPU:
+               ops = &mtk_vcodec_vpu_msg;
+               fw_pdev = vpu_get_plat_device(dev->plat_dev);
+               vpu_wdt_reg_handler(fw_pdev, mtk_vcodec_reset_handler,
+                                   dev, rst_id);
+               break;
+       default:
+               mtk_v4l2_err("invalid vcodec fw type");
+               return ERR_PTR(-EINVAL);
+       }
+
+       if (!fw_pdev) {
+               mtk_v4l2_err("firmware device is not ready");
+               return ERR_PTR(-EINVAL);
+       }
+
+       fw = devm_kzalloc(&dev->plat_dev->dev, sizeof(*fw), GFP_KERNEL);
+       if (!fw)
+               return ERR_PTR(-EINVAL);
+
+       fw->ops = ops;
+       fw->pdev = fw_pdev;
+       fw->rproc = rproc;
+
+       return fw;
+}
+EXPORT_SYMBOL(mtk_vcodec_fw_select);
+
+int mtk_vcodec_fw_load_firmware(struct mtk_vcodec_fw *fw)
+{
+       return fw->ops->load_firmware(fw);
+}
+EXPORT_SYMBOL(mtk_vcodec_fw_load_firmware);
+
+unsigned int mtk_vcodec_fw_get_vdec_capa(struct mtk_vcodec_fw *fw)
+{
+       return fw->ops->get_vdec_capa(fw);
+}
+EXPORT_SYMBOL(mtk_vcodec_fw_get_vdec_capa);
+
+unsigned int mtk_vcodec_fw_get_venc_capa(struct mtk_vcodec_fw *fw)
+{
+       return fw->ops->get_venc_capa(fw);
+}
+EXPORT_SYMBOL(mtk_vcodec_fw_get_venc_capa);
+
+void *mtk_vcodec_fw_map_dm_addr(struct mtk_vcodec_fw *fw, u32 mem_addr)
+{
+       return fw->ops->map_dm_addr(fw, mem_addr);
+}
+EXPORT_SYMBOL(mtk_vcodec_fw_map_dm_addr);
+
+int mtk_vcodec_fw_ipi_register(struct mtk_vcodec_fw *fw, int id,
+       mtk_vcodec_ipi_handler handler, const char *name, void *priv)
+{
+       return fw->ops->ipi_register(fw, id, handler, name, priv);
+}
+EXPORT_SYMBOL(mtk_vcodec_fw_ipi_register);
+
+int mtk_vcodec_fw_ipi_send(struct mtk_vcodec_fw *fw,
+       int id, void *buf, unsigned int len, unsigned int wait)
+{
+       return fw->ops->ipi_send(fw, id, buf, len, wait);
+}
+EXPORT_SYMBOL(mtk_vcodec_fw_ipi_send);
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.h 
b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.h
new file mode 100644
index 000000000000..a6edb3858e6e
--- /dev/null
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.h
@@ -0,0 +1,36 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+
+#ifndef _MTK_VCODEC_FW_H_
+#define _MTK_VCODEC_FW_H_
+
+#include <linux/remoteproc.h>
+
+#include "../mtk-vpu/mtk_vpu.h"
+
+struct mtk_vcodec_dev;
+
+enum mtk_vcodec_fw_type {
+       VPU,
+};
+
+struct mtk_vcodec_fw;
+
+typedef void (*mtk_vcodec_ipi_handler) (void *data,
+       unsigned int len, void *priv);
+
+struct mtk_vcodec_fw *mtk_vcodec_fw_select(struct mtk_vcodec_dev *dev,
+                                          enum mtk_vcodec_fw_type type,
+                                          phandle rproc_phandle,
+                                          enum rst_id rst_id);
+
+int mtk_vcodec_fw_load_firmware(struct mtk_vcodec_fw *fw);
+unsigned int mtk_vcodec_fw_get_vdec_capa(struct mtk_vcodec_fw *fw);
+unsigned int mtk_vcodec_fw_get_venc_capa(struct mtk_vcodec_fw *fw);
+void *mtk_vcodec_fw_map_dm_addr(struct mtk_vcodec_fw *fw, u32 mem_addr);
+int mtk_vcodec_fw_ipi_register(struct mtk_vcodec_fw *fw, int id,
+       mtk_vcodec_ipi_handler handler, const char *name, void *priv);
+int mtk_vcodec_fw_ipi_send(struct mtk_vcodec_fw *fw,
+       int id, void *buf, unsigned int len, unsigned int wait);
+
+#endif /* _MTK_VCODEC_FW_H_ */
+
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c 
b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c
index 060c0ad6243a..2cc37b2f8674 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_util.c
@@ -17,7 +17,6 @@
 
 #include "mtk_vcodec_drv.h"
 #include "mtk_vcodec_util.h"
-#include "mtk_vpu.h"
 
 /* For encoder, this will enable logs in venc/*/
 bool mtk_vcodec_dbg;
diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c 
b/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c
index 185d8e7bdc87..e96576280996 100644
--- a/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c
+++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_h264_if.c
@@ -286,7 +286,6 @@ static int vdec_h264_init(struct mtk_vcodec_ctx *ctx)
        inst->ctx = ctx;
 
        inst->vpu.id = IPI_VDEC_H264;
-       inst->vpu.dev = ctx->dev->vpu_plat_dev;
        inst->vpu.ctx = ctx;
        inst->vpu.handler = vpu_dec_ipi_handler;
 
diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c 
b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c
index 28475b8d27fe..241756382891 100644
--- a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c
+++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp8_if.c
@@ -408,7 +408,6 @@ static int vdec_vp8_init(struct mtk_vcodec_ctx *ctx)
        inst->ctx = ctx;
 
        inst->vpu.id = IPI_VDEC_VP8;
-       inst->vpu.dev = ctx->dev->vpu_plat_dev;
        inst->vpu.ctx = ctx;
        inst->vpu.handler = vpu_dec_ipi_handler;
 
diff --git a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c 
b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
index f4af69c543ba..78f5d8ebc1bb 100644
--- a/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
+++ b/drivers/media/platform/mtk-vcodec/vdec/vdec_vp9_if.c
@@ -799,7 +799,6 @@ static int vdec_vp9_init(struct mtk_vcodec_ctx *ctx)
        inst->ctx = ctx;
 
        inst->vpu.id = IPI_VDEC_VP9;
-       inst->vpu.dev = ctx->dev->vpu_plat_dev;
        inst->vpu.ctx = ctx;
        inst->vpu.handler = vpu_dec_ipi_handler;
 
diff --git a/drivers/media/platform/mtk-vcodec/vdec_drv_base.h 
b/drivers/media/platform/mtk-vcodec/vdec_drv_base.h
index bf4c214506fe..e47766d187dc 100644
--- a/drivers/media/platform/mtk-vcodec/vdec_drv_base.h
+++ b/drivers/media/platform/mtk-vcodec/vdec_drv_base.h
@@ -15,8 +15,6 @@
 #ifndef _VDEC_DRV_BASE_
 #define _VDEC_DRV_BASE_
 
-#include "mtk_vcodec_drv.h"
-
 #include "vdec_drv_if.h"
 
 struct vdec_common_if {
diff --git a/drivers/media/platform/mtk-vcodec/vdec_drv_if.c 
b/drivers/media/platform/mtk-vcodec/vdec_drv_if.c
index dfe63bb39dbb..7e3c536909a2 100644
--- a/drivers/media/platform/mtk-vcodec/vdec_drv_if.c
+++ b/drivers/media/platform/mtk-vcodec/vdec_drv_if.c
@@ -21,7 +21,6 @@
 #include "mtk_vcodec_dec.h"
 #include "vdec_drv_base.h"
 #include "mtk_vcodec_dec_pm.h"
-#include "mtk_vpu.h"
 
 extern const struct vdec_common_if vdec_h264_if;
 extern const struct vdec_common_if vdec_vp8_if;
diff --git a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c 
b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c
index 1abd14e79565..56947de97ac7 100644
--- a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c
+++ b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.c
@@ -16,6 +16,7 @@
 #include "mtk_vcodec_util.h"
 #include "vdec_ipi_msg.h"
 #include "vdec_vpu_if.h"
+#include "mtk_vcodec_fw.h"
 
 static void handle_init_ack_msg(struct vdec_vpu_ipi_init_ack *msg)
 {
@@ -26,7 +27,8 @@ static void handle_init_ack_msg(struct vdec_vpu_ipi_init_ack 
*msg)
 
        /* mapping VPU address to kernel virtual address */
        /* the content in vsi is initialized to 0 in VPU */
-       vpu->vsi = vpu_mapping_dm_addr(vpu->dev, msg->vpu_inst_addr);
+       vpu->vsi = mtk_vcodec_fw_map_dm_addr(vpu->ctx->dev->fw_handler,
+                                            msg->vpu_inst_addr);
        vpu->inst_addr = msg->vpu_inst_addr;
 
        mtk_vcodec_debug(vpu, "- vpu_inst_addr = 0x%x", vpu->inst_addr);
@@ -76,7 +78,8 @@ static int vcodec_vpu_send_msg(struct vdec_vpu_inst *vpu, 
void *msg, int len)
        vpu->failure = 0;
        vpu->signaled = 0;
 
-       err = vpu_ipi_send(vpu->dev, vpu->id, msg, len);
+       err = mtk_vcodec_fw_ipi_send(vpu->ctx->dev->fw_handler, vpu->id, msg,
+                                    len, 2000);
        if (err) {
                mtk_vcodec_err(vpu, "send fail vpu_id=%d msg_id=%X status=%d",
                               vpu->id, *(uint32_t *)msg, err);
@@ -111,7 +114,8 @@ int vpu_dec_init(struct vdec_vpu_inst *vpu)
 
        init_waitqueue_head(&vpu->wq);
 
-       err = vpu_ipi_register(vpu->dev, vpu->id, vpu->handler, "vdec", NULL);
+       err = mtk_vcodec_fw_ipi_register(vpu->ctx->dev->fw_handler, vpu->id,
+                                        vpu->handler, "vdec", NULL);
        if (err != 0) {
                mtk_vcodec_err(vpu, "vpu_ipi_register fail status=%d", err);
                return err;
diff --git a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h 
b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h
index 79d8eac7f5e2..0c48003718a4 100644
--- a/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h
+++ b/drivers/media/platform/mtk-vcodec/vdec_vpu_if.h
@@ -15,11 +15,13 @@
 #ifndef _VDEC_VPU_IF_H_
 #define _VDEC_VPU_IF_H_
 
-#include "mtk_vpu.h"
+#include "mtk_vcodec_fw.h"
+
+struct mtk_vcodec_ctx;
 
 /**
  * struct vdec_vpu_inst - VPU instance for video codec
- * @ipi_id      : ipi id for each decoder
+ * @id      : ipi msg id for each decoder
  * @vsi         : driver structure allocated by VPU side and shared to AP side
  *                for control and info share
  * @failure     : VPU execution result status, 0: success, others: fail
@@ -31,15 +33,14 @@
  * @handler     : ipi handler for each decoder
  */
 struct vdec_vpu_inst {
-       enum ipi_id id;
+       int id;
        void *vsi;
        int32_t failure;
        uint32_t inst_addr;
        unsigned int signaled;
        struct mtk_vcodec_ctx *ctx;
-       struct platform_device *dev;
        wait_queue_head_t wq;
-       ipi_handler_t handler;
+       mtk_vcodec_ipi_handler handler;
 };
 
 /**
diff --git a/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c 
b/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c
index eb015ce0fd3e..84e0e5a6e150 100644
--- a/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c
+++ b/drivers/media/platform/mtk-vcodec/venc/venc_h264_if.c
@@ -27,7 +27,6 @@
 #include "../venc_drv_base.h"
 #include "../venc_ipi_msg.h"
 #include "../venc_vpu_if.h"
-#include "mtk_vpu.h"
 
 static const char h264_filler_marker[] = {0x0, 0x0, 0x0, 0x1, 0xc};
 
@@ -266,8 +265,11 @@ static int h264_enc_alloc_work_buf(struct venc_h264_inst 
*inst)
                 */
                inst->work_bufs[i].size = wb[i].size;
                if (i == VENC_H264_VPU_WORK_BUF_SKIP_FRAME) {
-                       inst->work_bufs[i].va = vpu_mapping_dm_addr(
-                               inst->vpu_inst.dev, wb[i].vpua);
+                       struct mtk_vcodec_fw *handler;
+
+                       handler = inst->vpu_inst.ctx->dev->fw_handler;
+                       inst->work_bufs[i].va =
+                               mtk_vcodec_fw_map_dm_addr(handler, wb[i].vpua);
                        inst->work_bufs[i].dma_addr = 0;
                } else {
                        ret = mtk_vcodec_mem_alloc(inst->ctx,
@@ -284,10 +286,12 @@ static int h264_enc_alloc_work_buf(struct venc_h264_inst 
*inst)
                         * setting in VPU side.
                         */
                        if (i == VENC_H264_VPU_WORK_BUF_RC_CODE) {
+                               struct mtk_vcodec_fw *handler;
                                void *tmp_va;
 
-                               tmp_va = vpu_mapping_dm_addr(inst->vpu_inst.dev,
-                                                            wb[i].vpua);
+                               handler = inst->vpu_inst.ctx->dev->fw_handler;
+                               tmp_va = mtk_vcodec_fw_map_dm_addr(handler,
+                                                                  wb[i].vpua);
                                memcpy(inst->work_bufs[i].va, tmp_va,
                                       wb[i].size);
                        }
@@ -478,7 +482,6 @@ static int h264_enc_init(struct mtk_vcodec_ctx *ctx)
 
        inst->ctx = ctx;
        inst->vpu_inst.ctx = ctx;
-       inst->vpu_inst.dev = ctx->dev->vpu_plat_dev;
        inst->vpu_inst.id = IPI_VENC_H264;
        inst->hw_base = mtk_vcodec_get_reg_addr(inst->ctx, VENC_SYS);
 
diff --git a/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c 
b/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c
index ad8008c865db..935ae7d68909 100644
--- a/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c
+++ b/drivers/media/platform/mtk-vcodec/venc/venc_vp8_if.c
@@ -26,7 +26,6 @@
 #include "../venc_drv_base.h"
 #include "../venc_ipi_msg.h"
 #include "../venc_vpu_if.h"
-#include "mtk_vpu.h"
 
 #define VENC_BITSTREAM_FRAME_SIZE 0x0098
 #define VENC_BITSTREAM_HEADER_LEN 0x00e8
@@ -199,10 +198,12 @@ static int vp8_enc_alloc_work_buf(struct venc_vp8_inst 
*inst)
                if (i == VENC_VP8_VPU_WORK_BUF_RC_CODE ||
                    i == VENC_VP8_VPU_WORK_BUF_RC_CODE2 ||
                    i == VENC_VP8_VPU_WORK_BUF_RC_CODE3) {
+                       struct mtk_vcodec_fw *handler;
                        void *tmp_va;
 
-                       tmp_va = vpu_mapping_dm_addr(inst->vpu_inst.dev,
-                                                    wb[i].vpua);
+                       handler = inst->vpu_inst.ctx->dev->fw_handler;
+                       tmp_va = mtk_vcodec_fw_map_dm_addr(handler,
+                                                          wb[i].vpua);
                        memcpy(inst->work_bufs[i].va, tmp_va, wb[i].size);
                }
                wb[i].iova = inst->work_bufs[i].dma_addr;
@@ -343,7 +344,6 @@ static int vp8_enc_init(struct mtk_vcodec_ctx *ctx)
 
        inst->ctx = ctx;
        inst->vpu_inst.ctx = ctx;
-       inst->vpu_inst.dev = ctx->dev->vpu_plat_dev;
        inst->vpu_inst.id = IPI_VENC_VP8;
        inst->hw_base = mtk_vcodec_get_reg_addr(inst->ctx, VENC_LT_SYS);
 
diff --git a/drivers/media/platform/mtk-vcodec/venc_drv_if.c 
b/drivers/media/platform/mtk-vcodec/venc_drv_if.c
index 94bb530f7d2d..fd9bdd6a35e8 100644
--- a/drivers/media/platform/mtk-vcodec/venc_drv_if.c
+++ b/drivers/media/platform/mtk-vcodec/venc_drv_if.c
@@ -24,7 +24,6 @@
 
 #include "mtk_vcodec_enc.h"
 #include "mtk_vcodec_enc_pm.h"
-#include "mtk_vpu.h"
 
 extern const struct venc_common_if venc_h264_if;
 extern const struct venc_common_if venc_vp8_if;
diff --git a/drivers/media/platform/mtk-vcodec/venc_vpu_if.c 
b/drivers/media/platform/mtk-vcodec/venc_vpu_if.c
index 0d882acf8830..3d963afffd77 100644
--- a/drivers/media/platform/mtk-vcodec/venc_vpu_if.c
+++ b/drivers/media/platform/mtk-vcodec/venc_vpu_if.c
@@ -13,7 +13,7 @@
  * GNU General Public License for more details.
  */
 
-#include "mtk_vpu.h"
+#include "mtk_vcodec_fw.h"
 #include "venc_ipi_msg.h"
 #include "venc_vpu_if.h"
 
@@ -22,7 +22,8 @@ static void handle_enc_init_msg(struct venc_vpu_inst *vpu, 
void *data)
        struct venc_vpu_ipi_msg_init *msg = data;
 
        vpu->inst_addr = msg->vpu_inst_addr;
-       vpu->vsi = vpu_mapping_dm_addr(vpu->dev, msg->vpu_inst_addr);
+       vpu->vsi = mtk_vcodec_fw_map_dm_addr(vpu->ctx->dev->fw_handler,
+                                            msg->vpu_inst_addr);
 }
 
 static void handle_enc_encode_msg(struct venc_vpu_inst *vpu, void *data)
@@ -72,12 +73,13 @@ static int vpu_enc_send_msg(struct venc_vpu_inst *vpu, void 
*msg,
 
        mtk_vcodec_debug_enter(vpu);
 
-       if (!vpu->dev) {
+       if (!vpu->ctx->dev->fw_handler) {
                mtk_vcodec_err(vpu, "inst dev is NULL");
                return -EINVAL;
        }
 
-       status = vpu_ipi_send(vpu->dev, vpu->id, msg, len);
+       status = mtk_vcodec_fw_ipi_send(vpu->ctx->dev->fw_handler, vpu->id, msg,
+                                       len, 2000);
        if (status) {
                mtk_vcodec_err(vpu, "vpu_ipi_send msg_id %x len %d fail %d",
                               *(uint32_t *)msg, len, status);
@@ -102,8 +104,9 @@ int vpu_enc_init(struct venc_vpu_inst *vpu)
        vpu->signaled = 0;
        vpu->failure = 0;
 
-       status = vpu_ipi_register(vpu->dev, vpu->id, vpu_enc_ipi_handler,
-                                 NULL, NULL);
+       status = mtk_vcodec_fw_ipi_register(vpu->ctx->dev->fw_handler, vpu->id,
+               vpu_enc_ipi_handler, "venc", NULL);
+
        if (status) {
                mtk_vcodec_err(vpu, "vpu_ipi_register fail %d", status);
                return -EINVAL;
diff --git a/drivers/media/platform/mtk-vcodec/venc_vpu_if.h 
b/drivers/media/platform/mtk-vcodec/venc_vpu_if.h
index 215d1e01362e..dca2e7271a01 100644
--- a/drivers/media/platform/mtk-vcodec/venc_vpu_if.h
+++ b/drivers/media/platform/mtk-vcodec/venc_vpu_if.h
@@ -16,7 +16,7 @@
 #ifndef _VENC_VPU_IF_H_
 #define _VENC_VPU_IF_H_
 
-#include "mtk_vpu.h"
+#include "mtk_vcodec_fw.h"
 #include "venc_drv_if.h"
 
 /*
@@ -43,9 +43,8 @@ struct venc_vpu_inst {
        int is_key_frm;
        unsigned int inst_addr;
        void *vsi;
-       enum ipi_id id;
+       int id;
        struct mtk_vcodec_ctx *ctx;
-       struct platform_device *dev;
 };
 
 int vpu_enc_init(struct venc_vpu_inst *vpu);
-- 
2.22.0.rc1.257.g3120a18244-goog

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