diff mbox series

[v4,03/17] media: mtk-vcodec: add SCP firmware ops

Message ID 20200821103608.2310097-4-acourbot@chromium.org (mailing list archive)
State New, archived
Headers show
Series media: mtk-vcodec: venc: support for MT8183 | expand

Commit Message

Alexandre Courbot Aug. 21, 2020, 10:35 a.m. UTC 
From: Yunfei Dong <yunfei.dong@mediatek.com>

Add support for communicating with the SCP firmware, which will be used
by MT8183.

Signed-off-by: Yunfei Dong <yunfei.dong@mediatek.com>
[acourbot: refactor, cleanup and split]
Co-developed-by: Alexandre Courbot <acourbot@chromium.org>
Signed-off-by: Alexandre Courbot <acourbot@chromium.org>
Acked-by: Tiffany Lin <tiffany.lin@mediatek.com>
---
 drivers/media/platform/Kconfig                |  1 +
 .../platform/mtk-vcodec/mtk_vcodec_dec_drv.c  |  3 +
 .../platform/mtk-vcodec/mtk_vcodec_enc_drv.c  |  3 +
 .../media/platform/mtk-vcodec/mtk_vcodec_fw.c | 56 +++++++++++++++++++
 .../media/platform/mtk-vcodec/mtk_vcodec_fw.h |  2 +
 5 files changed, 65 insertions(+)

Comments

kernel test robot Aug. 21, 2020, 3:13 p.m. UTC | #1 
Hi Alexandre,

Thank you for the patch! Yet something to improve:

[auto build test ERROR on linuxtv-media/master]
[also build test ERROR on robh/for-next v5.9-rc1 next-20200821]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Alexandre-Courbot/media-mtk-vcodec-venc-support-for-MT8183/20200821-184118
base:   git://linuxtv.org/media_tree.git master
config: sh-allmodconfig (attached as .config)
compiler: sh4-linux-gcc (GCC) 9.3.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sh 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>, old ones prefixed by <<):

>> ERROR: modpost: "scp_get_venc_hw_capa" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined!
>> ERROR: modpost: "scp_ipi_send" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined!
>> ERROR: modpost: "scp_put" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined!
>> ERROR: modpost: "scp_get" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined!
>> ERROR: modpost: "scp_get_vdec_hw_capa" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined!
>> ERROR: modpost: "scp_ipi_register" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined!
>> ERROR: modpost: "scp_mapping_dm_addr" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined!
>> ERROR: modpost: "scp_get_rproc" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined!
>> ERROR: modpost: "rproc_boot" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined!
ERROR: modpost: "__delay" [drivers/net/phy/mdio-cavium.ko] undefined!

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
Alexandre Courbot Aug. 26, 2020, 9:19 a.m. UTC | #2 
On Sat, Aug 22, 2020 at 12:14 AM kernel test robot <lkp@intel.com> wrote:
>
> Hi Alexandre,
>
> Thank you for the patch! Yet something to improve:
>
> [auto build test ERROR on linuxtv-media/master]
> [also build test ERROR on robh/for-next v5.9-rc1 next-20200821]
> [If your patch is applied to the wrong git tree, kindly drop us a note.
> And when submitting patch, we suggest to use '--base' as documented in
> https://git-scm.com/docs/git-format-patch]
>
> url:    https://github.com/0day-ci/linux/commits/Alexandre-Courbot/media-mtk-vcodec-venc-support-for-MT8183/20200821-184118
> base:   git://linuxtv.org/media_tree.git master
> config: sh-allmodconfig (attached as .config)
> compiler: sh4-linux-gcc (GCC) 9.3.0
> reproduce (this is a W=1 build):
>         wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
>         chmod +x ~/bin/make.cross
>         # save the attached .config to linux build tree
>         COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-9.3.0 make.cross ARCH=sh
>
> If you fix the issue, kindly add following tag as appropriate
> Reported-by: kernel test robot <lkp@intel.com>
>
> All errors (new ones prefixed by >>, old ones prefixed by <<):
>
> >> ERROR: modpost: "scp_get_venc_hw_capa" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined!
> >> ERROR: modpost: "scp_ipi_send" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined!
> >> ERROR: modpost: "scp_put" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined!
> >> ERROR: modpost: "scp_get" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined!
> >> ERROR: modpost: "scp_get_vdec_hw_capa" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined!
> >> ERROR: modpost: "scp_ipi_register" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined!
> >> ERROR: modpost: "scp_mapping_dm_addr" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined!
> >> ERROR: modpost: "scp_get_rproc" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined!
> >> ERROR: modpost: "rproc_boot" [drivers/media/platform/mtk-vcodec/mtk-vcodec-common.ko] undefined!
> ERROR: modpost: "__delay" [drivers/net/phy/mdio-cavium.ko] undefined!

This issue should be fixed by the following patch, sent to the
remoteproc tree:

https://lkml.org/lkml/2020/8/21/489
diff mbox series

Patch

diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig
index c57ee78fa99d..f0dbe048efea 100644
--- a/drivers/media/platform/Kconfig
+++ b/drivers/media/platform/Kconfig
@@ -256,6 +256,7 @@  config VIDEO_MEDIATEK_VCODEC
 	select VIDEOBUF2_DMA_CONTIG
 	select V4L2_MEM2MEM_DEV
 	select VIDEO_MEDIATEK_VPU
+	select MTK_SCP
 	help
 	    Mediatek video codec driver provides HW capability to
 	    encode and decode in a range of video formats
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 4f07a5fcce7f..5b5765b98e57 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_dec_drv.c
@@ -225,6 +225,9 @@  static int mtk_vcodec_probe(struct platform_device *pdev)
 	if (!of_property_read_u32(pdev->dev.of_node, "mediatek,vpu",
 				  &rproc_phandle)) {
 		fw_type = VPU;
+	} else if (!of_property_read_u32(pdev->dev.of_node, "mediatek,scp",
+					 &rproc_phandle)) {
+		fw_type = SCP;
 	} else {
 		mtk_v4l2_err("Could not get vdec IPI device");
 		return -ENODEV;
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 4340ea10afd0..42530cd01a30 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_enc_drv.c
@@ -233,6 +233,9 @@  static int mtk_vcodec_probe(struct platform_device *pdev)
 	if (!of_property_read_u32(pdev->dev.of_node, "mediatek,vpu",
 				  &rproc_phandle)) {
 		fw_type = VPU;
+	} else if (!of_property_read_u32(pdev->dev.of_node, "mediatek,scp",
+					 &rproc_phandle)) {
+		fw_type = SCP;
 	} else {
 		mtk_v4l2_err("Could not get venc IPI device");
 		return -ENODEV;
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c
index 967bb100a990..f2a62ea62fc6 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.c
@@ -19,6 +19,7 @@  struct mtk_vcodec_fw {
 	enum mtk_vcodec_fw_type type;
 	const struct mtk_vcodec_fw_ops *ops;
 	struct platform_device *pdev;
+	struct mtk_scp *scp;
 };
 
 static int mtk_vcodec_vpu_load_firmware(struct mtk_vcodec_fw *fw)
@@ -71,6 +72,48 @@  static const struct mtk_vcodec_fw_ops mtk_vcodec_vpu_msg = {
 	.ipi_send = mtk_vcodec_vpu_ipi_send,
 };
 
+static int mtk_vcodec_scp_load_firmware(struct mtk_vcodec_fw *fw)
+{
+	return rproc_boot(scp_get_rproc(fw->scp));
+}
+
+static unsigned int mtk_vcodec_scp_get_vdec_capa(struct mtk_vcodec_fw *fw)
+{
+	return scp_get_vdec_hw_capa(fw->scp);
+}
+
+static unsigned int mtk_vcodec_scp_get_venc_capa(struct mtk_vcodec_fw *fw)
+{
+	return scp_get_venc_hw_capa(fw->scp);
+}
+
+static void *mtk_vcodec_vpu_scp_dm_addr(struct mtk_vcodec_fw *fw,
+					u32 dtcm_dmem_addr)
+{
+	return scp_mapping_dm_addr(fw->scp, dtcm_dmem_addr);
+}
+
+static int mtk_vcodec_scp_set_ipi_register(struct mtk_vcodec_fw *fw, int id,
+		mtk_vcodec_ipi_handler handler, const char *name, void *priv)
+{
+	return scp_ipi_register(fw->scp, id, handler, priv);
+}
+
+static int mtk_vcodec_scp_ipi_send(struct mtk_vcodec_fw *fw, int id, void *buf,
+		unsigned int len, unsigned int wait)
+{
+	return scp_ipi_send(fw->scp, id, buf, len, wait);
+}
+
+static const struct mtk_vcodec_fw_ops mtk_vcodec_rproc_msg = {
+	.load_firmware = mtk_vcodec_scp_load_firmware,
+	.get_vdec_capa = mtk_vcodec_scp_get_vdec_capa,
+	.get_venc_capa = mtk_vcodec_scp_get_venc_capa,
+	.map_dm_addr = mtk_vcodec_vpu_scp_dm_addr,
+	.ipi_register = mtk_vcodec_scp_set_ipi_register,
+	.ipi_send = mtk_vcodec_scp_ipi_send,
+};
+
 static void mtk_vcodec_reset_handler(void *priv)
 {
 	struct mtk_vcodec_dev *dev = priv;
@@ -94,6 +137,7 @@  struct mtk_vcodec_fw *mtk_vcodec_fw_select(struct mtk_vcodec_dev *dev,
 	const struct mtk_vcodec_fw_ops *ops;
 	struct mtk_vcodec_fw *fw;
 	struct platform_device *fw_pdev = NULL;
+	struct mtk_scp *scp = NULL;
 
 	switch (type) {
 	case VPU:
@@ -106,6 +150,14 @@  struct mtk_vcodec_fw *mtk_vcodec_fw_select(struct mtk_vcodec_dev *dev,
 		vpu_wdt_reg_handler(fw_pdev, mtk_vcodec_reset_handler,
 				    dev, rst_id);
 		break;
+	case SCP:
+		ops = &mtk_vcodec_rproc_msg;
+		scp = scp_get(dev->plat_dev);
+		if (!scp) {
+			mtk_v4l2_err("could not get vdec scp handle");
+			return ERR_PTR(-EPROBE_DEFER);
+		}
+		break;
 	default:
 		mtk_v4l2_err("invalid vcodec fw type");
 		return ERR_PTR(-EINVAL);
@@ -118,6 +170,7 @@  struct mtk_vcodec_fw *mtk_vcodec_fw_select(struct mtk_vcodec_dev *dev,
 	fw->type = type;
 	fw->ops = ops;
 	fw->pdev = fw_pdev;
+	fw->scp = scp;
 
 	return fw;
 }
@@ -129,6 +182,9 @@  void mtk_vcodec_fw_release(struct mtk_vcodec_fw *fw)
 	case VPU:
 		put_device(&fw->pdev->dev);
 		break;
+	case SCP:
+		scp_put(fw->scp);
+		break;
 	}
 }
 EXPORT_SYMBOL_GPL(mtk_vcodec_fw_release);
diff --git a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.h b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.h
index ff25b0c19f74..ced1b6a10e07 100644
--- a/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.h
+++ b/drivers/media/platform/mtk-vcodec/mtk_vcodec_fw.h
@@ -4,6 +4,7 @@ 
 #define _MTK_VCODEC_FW_H_
 
 #include <linux/remoteproc.h>
+#include <linux/remoteproc/mtk_scp.h>
 
 #include "../mtk-vpu/mtk_vpu.h"
 
@@ -11,6 +12,7 @@  struct mtk_vcodec_dev;
 
 enum mtk_vcodec_fw_type {
 	VPU,
+	SCP,
 };
 
 struct mtk_vcodec_fw;