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Tue, 27 Jul 2021 03:21:42 +0000 From: Ming Qian To: mchehab@kernel.org, shawnguo@kernel.org, robh+dt@kernel.org, s.hauer@pengutronix.de Cc: hverkuil-cisco@xs4all.nl, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, aisheng.dong@nxp.com, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org Subject: [PATCH v5 04/14] media: imx: imx8q: add imx8q vpu device driver Date: Tue, 27 Jul 2021 11:20:47 +0800 Message-Id: <09da86d8dfe84e7f41a599d2436ca6c68686cb38.1627353315.git.ming.qian@nxp.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: References: X-ClientProxiedBy: SG2PR06CA0199.apcprd06.prod.outlook.com (2603:1096:4:1::31) To AM6PR04MB6341.eurprd04.prod.outlook.com (2603:10a6:20b:d8::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from lsv11149.swis.cn-sha01.nxp.com (119.31.174.70) by SG2PR06CA0199.apcprd06.prod.outlook.com (2603:1096:4:1::31) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4352.25 via Frontend Transport; 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The vpu IP is amphion malone decoder and windsor encoder. This Driver is for this IP that is based on the v4l2 mem2mem framework. Supported SoCs are: IMX8QXP, IMX8QM Signed-off-by: Ming Qian Signed-off-by: Shijie Qin Signed-off-by: Zhou Peng --- .../media/v4l/vidioc-dqevent.rst | 12 + drivers/media/platform/Kconfig | 2 + drivers/media/platform/Makefile | 2 + drivers/media/platform/imx/Kconfig | 19 + drivers/media/platform/imx/Makefile | 1 + drivers/media/platform/imx/vpu-8q/Makefile | 23 ++ drivers/media/platform/imx/vpu-8q/vpu.h | 333 ++++++++++++++++++ drivers/media/platform/imx/vpu-8q/vpu_defs.h | 185 ++++++++++ .../media/platform/imx/vpu-8q/vpu_dev_imx8q.c | 73 ++++ drivers/media/platform/imx/vpu-8q/vpu_drv.c | 217 ++++++++++++ include/linux/imx_vpu.h | 11 + include/uapi/linux/imx_vpu.h | 17 + 12 files changed, 895 insertions(+) create mode 100644 drivers/media/platform/imx/Kconfig create mode 100644 drivers/media/platform/imx/Makefile create mode 100644 drivers/media/platform/imx/vpu-8q/Makefile create mode 100644 drivers/media/platform/imx/vpu-8q/vpu.h create mode 100644 drivers/media/platform/imx/vpu-8q/vpu_defs.h create mode 100644 drivers/media/platform/imx/vpu-8q/vpu_dev_imx8q.c create mode 100644 drivers/media/platform/imx/vpu-8q/vpu_drv.c create mode 100644 include/linux/imx_vpu.h create mode 100644 include/uapi/linux/imx_vpu.h diff --git a/Documentation/userspace-api/media/v4l/vidioc-dqevent.rst b/Documentation/userspace-api/media/v4l/vidioc-dqevent.rst index f0dfc8cf9b14..e059a703442a 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-dqevent.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-dqevent.rst @@ -189,6 +189,18 @@ call. * - ``V4L2_EVENT_PRIVATE_START`` - 0x08000000 - Base event number for driver-private events. + * - ``V4L2_EVENT_CODEC_ERROR`` + - 0x08000001 + - This event is triggered when some error error occurs inside the codec engine, + usually it can be replaced by a POLLERR event, but in some cases, the POLLERR + may cause the application to exit, but this event can allow the application to + handle the codec error without exiting. + * - ``V4L2_EVENT_SKIP`` + - 0x08000002 + - This event is triggered when one frame is decoded, but it won't be outputed + to the display. So the application can't get this frame, and the input frame count + is dismatch with the output frame count. And this evevt is telling the client to + handle this case. diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig index a3cb104956d5..27e67cb1abb5 100644 --- a/drivers/media/platform/Kconfig +++ b/drivers/media/platform/Kconfig @@ -168,6 +168,8 @@ config VIDEO_TI_CAL In TI Technical Reference Manual this module is referred as Camera Interface Subsystem (CAMSS). +source "drivers/media/platform/imx/Kconfig" + endif # V4L_PLATFORM_DRIVERS menuconfig V4L_MEM2MEM_DRIVERS diff --git a/drivers/media/platform/Makefile b/drivers/media/platform/Makefile index 62b6cdc8c730..e564c0089012 100644 --- a/drivers/media/platform/Makefile +++ b/drivers/media/platform/Makefile @@ -80,3 +80,5 @@ obj-$(CONFIG_VIDEO_QCOM_CAMSS) += qcom/camss/ obj-$(CONFIG_VIDEO_QCOM_VENUS) += qcom/venus/ obj-y += sunxi/ + +obj-y += imx/ diff --git a/drivers/media/platform/imx/Kconfig b/drivers/media/platform/imx/Kconfig new file mode 100644 index 000000000000..40cceb2cb526 --- /dev/null +++ b/drivers/media/platform/imx/Kconfig @@ -0,0 +1,19 @@ +# +# Codec configuration +# + +config MXC_VPU_8Q + tristate "Support for MXC 8Q VPU(Video Processing Unit) Codec" + depends on ARCH_MXC + depends on MEDIA_SUPPORT + depends on VIDEO_DEV + depends on VIDEO_V4L2 + select V4L2_MEM2MEM_DEV + select VIDEOBUF2_DMA_CONTIG + select VIDEOBUF2_VMALLOC + default y + help + This is a V4L2 driver for NXP MXC 8Q video accelerator hardware. + It accelerates encoding and decoding operations on + various NXP SoCs. + To compile this driver as a module choose m here. diff --git a/drivers/media/platform/imx/Makefile b/drivers/media/platform/imx/Makefile new file mode 100644 index 000000000000..214f43ca390c --- /dev/null +++ b/drivers/media/platform/imx/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_MXC_VPU_8Q) += vpu-8q/ diff --git a/drivers/media/platform/imx/vpu-8q/Makefile b/drivers/media/platform/imx/vpu-8q/Makefile new file mode 100644 index 000000000000..ecc74b63d536 --- /dev/null +++ b/drivers/media/platform/imx/vpu-8q/Makefile @@ -0,0 +1,23 @@ +# SPDX-License-Identifier: GPL-2.0 +# Makefile for NXP VPU driver + +vpu-8q-dev-objs += vpu_drv.o \ + vpu_dev_imx8q.o + +vpu-8q-core-objs += vpu_core.o \ + vpu_mbox.o \ + vpu_v4l2.o \ + vpu_helpers.o \ + vpu_cmds.o \ + vpu_msgs.o \ + vpu_rpc.o \ + vpu_imx8q.o \ + vpu_windsor.o \ + vpu_malone.o \ + vpu_color.o \ + vdec.o \ + venc.o \ + vpu_dbg.o + +obj-$(CONFIG_MXC_VPU_8Q) += vpu-8q-dev.o +obj-$(CONFIG_MXC_VPU_8Q) += vpu-8q-core.o diff --git a/drivers/media/platform/imx/vpu-8q/vpu.h b/drivers/media/platform/imx/vpu-8q/vpu.h new file mode 100644 index 000000000000..81f347d953ae --- /dev/null +++ b/drivers/media/platform/imx/vpu-8q/vpu.h @@ -0,0 +1,333 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright 2020-2021 NXP + */ + +#ifndef _IMX_VPU_H +#define _IMX_VPU_H + +#include +#include +#include +#include +#include +#include + +#define VPU_TIMEOUT msecs_to_jiffies(1000) +#define VPU_INST_NULL_ID (-1L) +#define VPU_MSG_BUFFER_SIZE (8192) + +enum imx_plat_type { + IMX8QXP = 0, + IMX8QM = 1, + IMX8DM, + IMX8DX, + PLAT_TYPE_RESERVED +}; + +enum vpu_core_type { + VPU_CORE_TYPE_ENC = 0, + VPU_CORE_TYPE_DEC = 0x10, +}; + +struct vpu_dev; +struct vpu_resources { + enum imx_plat_type plat_type; + u32 mreg_base; + int (*setup)(struct vpu_dev *vpu); + int (*setup_encoder)(struct vpu_dev *vpu); + int (*setup_decoder)(struct vpu_dev *vpu); + int (*reset)(struct vpu_dev *vpu); +}; + +struct vpu_buffer { + void *virt; + dma_addr_t phys; + u32 length; + u32 bytesused; + struct device *dev; +}; + +struct vpu_dev { + void __iomem *base; + struct platform_device *pdev; + struct device *dev; + struct mutex lock; + const struct vpu_resources *res; + struct list_head cores; + + struct v4l2_device v4l2_dev; + struct video_device *vdev_dec; + struct video_device *vdev_enc; + + struct delayed_work watchdog_work; + void (*get_vpu)(struct vpu_dev *vpu); + void (*put_vpu)(struct vpu_dev *vpu); + void (*get_enc)(struct vpu_dev *vpu); + void (*put_enc)(struct vpu_dev *vpu); + void (*get_dec)(struct vpu_dev *vpu); + void (*put_dec)(struct vpu_dev *vpu); + atomic_t ref_vpu; + atomic_t ref_enc; + atomic_t ref_dec; + + struct dentry *debugfs; +}; + +struct vpu_format { + u32 pixfmt; + unsigned int num_planes; + u32 type; + u32 flags; + u32 width; + u32 height; + u32 sizeimage[VIDEO_MAX_PLANES]; + u32 bytesperline[VIDEO_MAX_PLANES]; + u32 field; +}; + +struct vpu_core_resources { + enum vpu_core_type type; + const char *fwname; + u32 stride; + u32 max_width; + u32 min_width; + u32 step_width; + u32 max_height; + u32 min_height; + u32 step_height; + u32 rpc_size; + u32 fwlog_size; + u32 act_size; + bool standalone; +}; + +struct vpu_mbox { + char name[20]; + struct mbox_client cl; + struct mbox_chan *ch; + bool block; +}; + +enum vpu_core_state { + VPU_CORE_DEINIT = 0, + VPU_CORE_ACTIVE, + VPU_CORE_SNAPSHOT, + VPU_CORE_HANG +}; + +struct vpu_core { + void __iomem *base; + struct platform_device *pdev; + struct device *dev; + struct device *parent; + struct device *pd; + struct device_link *pd_link; + struct mutex lock; + struct mutex cmd_lock; + struct list_head list; + enum vpu_core_type type; + int id; + const struct vpu_core_resources *res; + unsigned long instance_mask; + u32 supported_instance_count; + unsigned long hang_mask; + u32 request_count; + struct list_head instances; + enum vpu_core_state state; + u32 fw_version; + + struct vpu_buffer fw; + struct vpu_buffer rpc; + struct vpu_buffer log; + struct vpu_buffer act; + + struct vpu_mbox tx_type; + struct vpu_mbox tx_data; + struct vpu_mbox rx; + unsigned long cmd_seq; + + wait_queue_head_t ack_wq; + struct completion cmp; + struct workqueue_struct *workqueue; + struct work_struct msg_work; + struct delayed_work msg_delayed_work; + struct kfifo msg_fifo; + void *msg_buffer; + unsigned int msg_buffer_size; + + struct vpu_dev *vpu; + void *iface; + + struct dentry *debugfs; + struct dentry *debugfs_fwlog; +}; + +enum vpu_codec_state { + VPU_CODEC_STATE_DEINIT = 1, + VPU_CODEC_STATE_CONFIGURED, + VPU_CODEC_STATE_START, + VPU_CODEC_STATE_STARTED, + VPU_CODEC_STATE_ACTIVE, + VPU_CODEC_STATE_SEEK, + VPU_CODEC_STATE_STOP, + VPU_CODEC_STATE_DRAIN, + VPU_CODEC_STATE_DYAMIC_RESOLUTION_CHANGE, +}; + +struct vpu_frame_info { + u32 type; + u32 id; + u32 sequence; + u32 luma; + u32 chroma_u; + u32 chroma_v; + u32 data_offset; + u32 flags; + u32 skipped; + s64 timestamp; +}; + +struct vpu_inst; +struct vpu_inst_ops { + int (*ctrl_init)(struct vpu_inst *inst); + int (*start)(struct vpu_inst *inst, u32 type); + int (*stop)(struct vpu_inst *inst, u32 type); + int (*abort)(struct vpu_inst *inst); + bool (*check_ready)(struct vpu_inst *inst, unsigned int type); + void (*buf_done)(struct vpu_inst *inst, struct vpu_frame_info *frame); + void (*event_notify)(struct vpu_inst *inst, u32 event, void *data); + void (*release)(struct vpu_inst *inst); + void (*cleanup)(struct vpu_inst *inst); + void (*mem_request)(struct vpu_inst *inst, + u32 enc_frame_size, + u32 enc_frame_num, + u32 ref_frame_size, + u32 ref_frame_num, + u32 act_frame_size, + u32 act_frame_num); + void (*input_done)(struct vpu_inst *inst); + void (*stop_done)(struct vpu_inst *inst); + int (*process_output)(struct vpu_inst *inst, struct vb2_buffer *vb); + int (*process_capture)(struct vpu_inst *inst, struct vb2_buffer *vb); + int (*get_one_frame)(struct vpu_inst *inst, void *info); + void (*on_queue_empty)(struct vpu_inst *inst, u32 type); + int (*get_debug_info)(struct vpu_inst *inst, char *str, u32 size, u32 i); + void (*wait_prepare)(struct vpu_inst *inst); + void (*wait_finish)(struct vpu_inst *inst); +}; + +struct vpu_inst { + struct list_head list; + struct mutex lock; + struct vpu_core *core; + int id; + + struct v4l2_fh fh; + struct v4l2_m2m_dev *m2m_dev; + struct v4l2_m2m_ctx *m2m_ctx; + struct v4l2_ctrl_handler ctrl_handler; + atomic_t ref_count; + int (*release)(struct vpu_inst *inst); + + enum vpu_codec_state state; + enum vpu_core_type type; + + struct workqueue_struct *workqueue; + struct work_struct msg_work; + struct kfifo msg_fifo; + u8 msg_buffer[VPU_MSG_BUFFER_SIZE]; + + struct vpu_buffer stream_buffer; + bool use_stream_buffer; + struct vpu_buffer act; + + struct list_head cmd_q; + void *pending; + + struct vpu_inst_ops *ops; + const struct vpu_format *formats; + struct vpu_format out_format; + struct vpu_format cap_format; + u32 min_buffer_cap; + u32 min_buffer_out; + + struct v4l2_rect crop; + u32 colorspace; + u8 ycbcr_enc; + u8 quantization; + u8 xfer_func; + u32 sequence; + u32 extra_size; + + u32 flows[16]; + u32 flow_idx; + + pid_t pid; + pid_t tgid; + struct dentry *debugfs; + + void *priv; +}; + +#define call_vop(inst, op, args...) \ + ((inst)->ops->op ? (inst)->ops->op(inst, ##args) : 0) \ + +enum { + VPU_BUF_STATE_IDLE = 0, + VPU_BUF_STATE_INUSE, + VPU_BUF_STATE_DECODED, + VPU_BUF_STATE_READY, + VPU_BUF_STATE_SKIP, + VPU_BUF_STATE_ERROR +}; + +struct vpu_vb2_buffer { + struct v4l2_m2m_buffer m2m_buf; + dma_addr_t luma; + dma_addr_t chroma_u; + dma_addr_t chroma_v; + unsigned int state; + u32 tag; +}; + +void vpu_writel(struct vpu_dev *vpu, u32 reg, u32 val); +u32 vpu_readl(struct vpu_dev *vpu, u32 reg); + +static inline struct vpu_vb2_buffer *to_vpu_vb2_buffer(struct vb2_v4l2_buffer *vbuf) +{ + struct v4l2_m2m_buffer *m2m_buf = container_of(vbuf, struct v4l2_m2m_buffer, vb); + + return container_of(m2m_buf, struct vpu_vb2_buffer, m2m_buf); +} + +static inline const char *vpu_core_type_desc(enum vpu_core_type type) +{ + return type == VPU_CORE_TYPE_ENC ? "encoder" : "decoder"; +} + +static inline struct vpu_inst *to_inst(struct file *filp) +{ + return container_of(filp->private_data, struct vpu_inst, fh); +} + +#define ctrl_to_inst(ctrl) \ + container_of((ctrl)->handler, struct vpu_inst, ctrl_handler) + +int venc_create_video_device(struct vpu_dev *vpu); +int vdec_create_video_device(struct vpu_dev *vpu); + +struct vpu_inst *vpu_inst_get(struct vpu_inst *inst); +void vpu_inst_put(struct vpu_inst *inst); +struct vpu_core *vpu_request_core(struct vpu_dev *vpu, enum vpu_core_type type); +void vpu_release_core(struct vpu_core *core); +int vpu_inst_register(struct vpu_inst *inst); +int vpu_inst_unregister(struct vpu_inst *inst); + +int vpu_inst_create_dbgfs_file(struct vpu_inst *inst); +int vpu_inst_remove_dbgfs_file(struct vpu_inst *inst); +int vpu_core_create_dbgfs_file(struct vpu_core *core); +int vpu_core_remove_dbgfs_file(struct vpu_core *core); +void vpu_inst_record_flow(struct vpu_inst *inst, u32 flow); + +#endif diff --git a/drivers/media/platform/imx/vpu-8q/vpu_defs.h b/drivers/media/platform/imx/vpu-8q/vpu_defs.h new file mode 100644 index 000000000000..326d4b6e9dcf --- /dev/null +++ b/drivers/media/platform/imx/vpu-8q/vpu_defs.h @@ -0,0 +1,185 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright 2020-2021 NXP + */ + +#ifndef _IMX_VPU_DEFS_H +#define _IMX_VPU_DEFS_H + +enum MSG_TYPE { + INIT_DONE = 1, + PRC_BUF_OFFSET, + BOOT_ADDRESS, + COMMAND, + EVENT, +}; + +enum { + VPU_IRQ_CODE_BOOT_DONE = 0x55, + VPU_IRQ_CODE_SNAPSHOT_DONE = 0xa5, + VPU_IRQ_CODE_SYNC = 0xaa, +}; + +enum { + VPU_CMD_ID_NOOP = 0x0, + VPU_CMD_ID_CONFIGURE_CODEC, + VPU_CMD_ID_START, + VPU_CMD_ID_STOP, + VPU_CMD_ID_ABORT, + VPU_CMD_ID_RST_BUF, + VPU_CMD_ID_SNAPSHOT, + VPU_CMD_ID_FIRM_RESET, + VPU_CMD_ID_UPDATE_PARAMETER, + VPU_CMD_ID_FRAME_ENCODE, + VPU_CMD_ID_SKIP, + VPU_CMD_ID_PARSE_NEXT_SEQ, + VPU_CMD_ID_PARSE_NEXT_I, + VPU_CMD_ID_PARSE_NEXT_IP, + VPU_CMD_ID_PARSE_NEXT_ANY, + VPU_CMD_ID_DEC_PIC, + VPU_CMD_ID_FS_ALLOC, + VPU_CMD_ID_FS_RELEASE, + VPU_CMD_ID_TIMESTAMP, + VPU_CMD_ID_DEBUG +}; + +enum { + VPU_MSG_ID_NOOP = 0x100, + VPU_MSG_ID_RESET_DONE, + VPU_MSG_ID_START_DONE, + VPU_MSG_ID_STOP_DONE, + VPU_MSG_ID_ABORT_DONE, + VPU_MSG_ID_BUF_RST, + VPU_MSG_ID_MEM_REQUEST, + VPU_MSG_ID_PARAM_UPD_DONE, + VPU_MSG_ID_FRAME_INPUT_DONE, + VPU_MSG_ID_ENC_DONE, + VPU_MSG_ID_DEC_DONE, + VPU_MSG_ID_FRAME_REQ, + VPU_MSG_ID_FRAME_RELEASE, + VPU_MSG_ID_SEQ_HDR_FOUND, + VPU_MSG_ID_RES_CHANGE, + VPU_MSG_ID_PIC_HDR_FOUND, + VPU_MSG_ID_PIC_DECODED, + VPU_MSG_ID_PIC_EOS, + VPU_MSG_ID_FIFO_LOW, + VPU_MSG_ID_FIFO_HIGH, + VPU_MSG_ID_FIFO_EMPTY, + VPU_MSG_ID_FIFO_FULL, + VPU_MSG_ID_BS_ERROR, + VPU_MSG_ID_UNSUPPORTED, + VPU_MSG_ID_TIMESTAMP_INFO, + + VPU_MSG_ID_FIRMWARE_XCPT, +}; + +enum VPU_ENC_MEMORY_RESOURSE { + MEM_RES_ENC, + MEM_RES_REF, + MEM_RES_ACT +}; + +enum VPU_DEC_MEMORY_RESOURCE { + MEM_RES_FRAME, + MEM_RES_MBI, + MEM_RES_DCP +}; + +enum VPU_SCODE_TYPE { + SCODE_PADDING_EOS = 1, + SCODE_PADDING_BUFFLUSH = 2, + SCODE_PADDING_ABORT = 3, + SCODE_SEQUENCE = 0x31, + SCODE_PICTURE = 0x32, + SCODE_SLICE = 0x33 +}; + +struct vpu_pkt_mem_req_data { + u32 enc_frame_size; + u32 enc_frame_num; + u32 ref_frame_size; + u32 ref_frame_num; + u32 act_buf_size; + u32 act_buf_num; +}; + +struct vpu_enc_pic_info { + u32 frame_id; + u32 pic_type; + u32 skipped_frame; + u32 error_flag; + u32 psnr; + u32 frame_size; + u32 wptr; + u32 crc; + s64 timestamp; +}; + +struct vpu_dec_codec_info { + u32 pixfmt; + u32 num_ref_frms; + u32 num_dpb_frms; + u32 num_dfe_area; + u32 color_primaries; + u32 transfer_chars; + u32 matrix_coeffs; + u32 full_range; + u32 vui_present; + u32 progressive; + u32 width; + u32 height; + u32 decoded_width; + u32 decoded_height; + u32 frame_rate; + u32 dsp_asp_ratio; + u32 level_idc; + u32 bit_depth_luma; + u32 bit_depth_chroma; + u32 chroma_fmt; + u32 mvc_num_views; + u32 offset_x; + u32 offset_y; + u32 tag; + u32 sizeimage[VIDEO_MAX_PLANES]; + u32 bytesperline[VIDEO_MAX_PLANES]; + u32 mbi_size; + u32 dcp_size; +}; + +struct vpu_dec_pic_info { + u32 id; + u32 luma; + u32 start; + u32 end; + u32 pic_size; + u32 stride; + u32 skipped; + s64 timestamp; + u32 consumed_count; +}; + +struct vpu_fs_info { + u32 id; + u32 type; + u32 tag; + u32 luma_addr; + u32 luma_size; + u32 chroma_addr; + u32 chromau_size; + u32 chromav_addr; + u32 chromav_size; + u32 bytesperline; + u32 not_displayed; +}; + +struct vpu_ts_info { + s64 timestamp; + u32 size; +}; + +#define BITRATE_STEP (1024) +#define BITRATE_MIN (16 * BITRATE_STEP) +#define BITRATE_MAX (240 * 1024 * BITRATE_STEP) +#define BITRATE_DEFAULT (2 * 1024 * BITRATE_STEP) + +#endif diff --git a/drivers/media/platform/imx/vpu-8q/vpu_dev_imx8q.c b/drivers/media/platform/imx/vpu-8q/vpu_dev_imx8q.c new file mode 100644 index 000000000000..540b54b8b876 --- /dev/null +++ b/drivers/media/platform/imx/vpu-8q/vpu_dev_imx8q.c @@ -0,0 +1,73 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2020-2021 NXP + */ + +#include +#include +#include +#include +#include +#include +#include +#include "vpu.h" +#include "vpu_imx8q.h" + +int vpu_imx8q_setup_dec(struct vpu_dev *vpu) +{ + const off_t offset = DEC_MFD_XREG_SLV_BASE + MFD_BLK_CTRL; + + vpu_writel(vpu, offset + MFD_BLK_CTRL_MFD_SYS_CLOCK_ENABLE_SET, 0x1f); + vpu_writel(vpu, offset + MFD_BLK_CTRL_MFD_SYS_RESET_SET, 0xffffffff); + + return 0; +} + +int vpu_imx8q_setup_enc(struct vpu_dev *vpu) +{ + return 0; +} + +int vpu_imx8q_setup(struct vpu_dev *vpu) +{ + const off_t offset = SCB_XREG_SLV_BASE + SCB_SCB_BLK_CTRL; + u32 read_data; + + read_data = vpu_readl(vpu, offset + 0x108); + + vpu_writel(vpu, offset + SCB_BLK_CTRL_SCB_CLK_ENABLE_SET, 0x1); + vpu_writel(vpu, offset + 0x190, 0xffffffff); + vpu_writel(vpu, offset + SCB_BLK_CTRL_XMEM_RESET_SET, 0xffffffff); + vpu_writel(vpu, offset + SCB_BLK_CTRL_SCB_CLK_ENABLE_SET, 0xE); + vpu_writel(vpu, offset + SCB_BLK_CTRL_CACHE_RESET_SET, 0x7); + vpu_writel(vpu, XMEM_CONTROL, 0x102); + + read_data = vpu_readl(vpu, offset + 0x108); + + return 0; +} + +static int vpu_imx8q_reset_enc(struct vpu_dev *vpu) +{ + return 0; +} + +static int vpu_imx8q_reset_dec(struct vpu_dev *vpu) +{ + const off_t offset = DEC_MFD_XREG_SLV_BASE + MFD_BLK_CTRL; + + vpu_writel(vpu, offset + MFD_BLK_CTRL_MFD_SYS_RESET_CLR, 0xffffffff); + + return 0; +} + +int vpu_imx8q_reset(struct vpu_dev *vpu) +{ + const off_t offset = SCB_XREG_SLV_BASE + SCB_SCB_BLK_CTRL; + + vpu_writel(vpu, offset + SCB_BLK_CTRL_CACHE_RESET_CLR, 0x7); + vpu_imx8q_reset_enc(vpu); + vpu_imx8q_reset_dec(vpu); + + return 0; +} diff --git a/drivers/media/platform/imx/vpu-8q/vpu_drv.c b/drivers/media/platform/imx/vpu-8q/vpu_drv.c new file mode 100644 index 000000000000..c9c7168b99e4 --- /dev/null +++ b/drivers/media/platform/imx/vpu-8q/vpu_drv.c @@ -0,0 +1,217 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2020-2021 NXP + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include "vpu.h" +#include "vpu_imx8q.h" + +void vpu_writel(struct vpu_dev *vpu, u32 reg, u32 val) +{ + writel(val, vpu->base + reg); +} + +u32 vpu_readl(struct vpu_dev *vpu, u32 reg) +{ + return readl(vpu->base + reg); +} + +static void vpu_dev_get(struct vpu_dev *vpu) +{ + if (atomic_inc_return(&vpu->ref_vpu) == 1 && vpu->res->setup) + vpu->res->setup(vpu); +} + +static void vpu_dev_put(struct vpu_dev *vpu) +{ + atomic_dec(&vpu->ref_vpu); +} + +static void vpu_enc_get(struct vpu_dev *vpu) +{ + if (atomic_inc_return(&vpu->ref_enc) == 1 && vpu->res->setup_encoder) + vpu->res->setup_encoder(vpu); +} + +static void vpu_enc_put(struct vpu_dev *vpu) +{ + atomic_dec(&vpu->ref_enc); +} + +static void vpu_dec_get(struct vpu_dev *vpu) +{ + if (atomic_inc_return(&vpu->ref_dec) == 1 && vpu->res->setup_decoder) + vpu->res->setup_decoder(vpu); +} + +static void vpu_dec_put(struct vpu_dev *vpu) +{ + atomic_dec(&vpu->ref_dec); +} + +static int vpu_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct vpu_dev *vpu; + struct resource *r; + int ret; + + pr_info("vpu probe %s\n", pdev->dev.of_node->name); + vpu = devm_kzalloc(dev, sizeof(*vpu), GFP_KERNEL); + if (!vpu) + return -ENOMEM; + + vpu->pdev = pdev; + vpu->dev = dev; + mutex_init(&vpu->lock); + INIT_LIST_HEAD(&vpu->cores); + platform_set_drvdata(pdev, vpu); + atomic_set(&vpu->ref_vpu, 0); + atomic_set(&vpu->ref_enc, 0); + atomic_set(&vpu->ref_dec, 0); + vpu->get_vpu = vpu_dev_get; + vpu->put_vpu = vpu_dev_put; + vpu->get_enc = vpu_enc_get; + vpu->put_enc = vpu_enc_put; + vpu->get_dec = vpu_dec_get; + vpu->put_dec = vpu_dec_put; + + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); + vpu->base = devm_ioremap_resource(dev, r); + if (IS_ERR(vpu->base)) + return PTR_ERR(vpu->base); + + vpu->res = of_device_get_match_data(dev); + if (!vpu->res) + return -ENODEV; + + pm_runtime_enable(dev); + ret = pm_runtime_get_sync(dev); + if (ret) + goto err_runtime_disable; + + pm_runtime_put_sync(dev); + + ret = v4l2_device_register(dev, &vpu->v4l2_dev); + if (ret) + goto err_vpu_deinit; + + vpu->debugfs = debugfs_create_dir("vpu", NULL); + + of_platform_populate(dev->of_node, NULL, NULL, dev); + + return 0; + +err_vpu_deinit: +err_runtime_disable: + pm_runtime_set_suspended(dev); + pm_runtime_disable(dev); + + return ret; +} + +static int vpu_remove(struct platform_device *pdev) +{ + struct vpu_dev *vpu = platform_get_drvdata(pdev); + struct device *dev = &pdev->dev; + int ret; + + ret = pm_runtime_get_sync(dev); + WARN_ON(ret < 0); + + debugfs_remove_recursive(vpu->debugfs); + vpu->debugfs = NULL; + + pm_runtime_put_sync(dev); + pm_runtime_disable(dev); + + v4l2_device_unregister(&vpu->v4l2_dev); + mutex_destroy(&vpu->lock); + + return 0; +} + +static int __maybe_unused vpu_runtime_resume(struct device *dev) +{ + return 0; +} + +static int __maybe_unused vpu_runtime_suspend(struct device *dev) +{ + return 0; +} + +static int __maybe_unused vpu_resume(struct device *dev) +{ + return 0; +} + +static int __maybe_unused vpu_suspend(struct device *dev) +{ + return 0; +} + +static const struct dev_pm_ops vpu_pm_ops = { + SET_RUNTIME_PM_OPS(vpu_runtime_suspend, vpu_runtime_resume, NULL) + SET_SYSTEM_SLEEP_PM_OPS(vpu_suspend, vpu_resume) +}; + +struct vpu_resources imx8qxp_res = { + .plat_type = IMX8QXP, + .mreg_base = 0x40000000, + .setup = vpu_imx8q_setup, + .setup_encoder = vpu_imx8q_setup_enc, + .setup_decoder = vpu_imx8q_setup_dec, + .reset = vpu_imx8q_reset +}; + +struct vpu_resources imx8qm_res = { + .plat_type = IMX8QM, + .mreg_base = 0x40000000, + .setup = vpu_imx8q_setup, + .setup_encoder = vpu_imx8q_setup_enc, + .setup_decoder = vpu_imx8q_setup_dec, + .reset = vpu_imx8q_reset +}; + +static const struct of_device_id vpu_dt_match[] = { + { .compatible = "nxp,imx8qxp-vpu", .data = &imx8qxp_res }, + { .compatible = "nxp,imx8qm-vpu", .data = &imx8qm_res }, + {} +}; +MODULE_DEVICE_TABLE(of, vpu_dt_match); + +static struct platform_driver imx_vpu_driver = { + .probe = vpu_probe, + .remove = vpu_remove, + .driver = { + .name = "imx-vpu", + .of_match_table = vpu_dt_match, + .pm = &vpu_pm_ops, + }, +}; +module_platform_driver(imx_vpu_driver); + +MODULE_AUTHOR("Freescale Semiconductor, Inc."); +MODULE_DESCRIPTION("Linux VPU driver for Freescale i.MX/MXC"); +MODULE_LICENSE("GPL v2"); diff --git a/include/linux/imx_vpu.h b/include/linux/imx_vpu.h new file mode 100644 index 000000000000..9d6fe1366fbc --- /dev/null +++ b/include/linux/imx_vpu.h @@ -0,0 +1,11 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright 2020-2021 NXP + */ + +#ifndef __LINUX_IMX_VPU_H +#define __LINUX_IMX_VPU_H + +#include + +#endif diff --git a/include/uapi/linux/imx_vpu.h b/include/uapi/linux/imx_vpu.h new file mode 100644 index 000000000000..d3af36750292 --- /dev/null +++ b/include/uapi/linux/imx_vpu.h @@ -0,0 +1,17 @@ +/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ +/* + * Copyright 2020-2021 NXP + */ + +#ifndef _UAPI__LINUX_IMX_VPU_H +#define _UAPI__LINUX_IMX_VPU_H + +#include + +/*imx v4l2 event*/ +//error happened in dec/enc +#define V4L2_EVENT_CODEC_ERROR (V4L2_EVENT_PRIVATE_START + 1) +//frame loss in dec/enc +#define V4L2_EVENT_SKIP (V4L2_EVENT_PRIVATE_START + 2) + +#endif //#ifndef _UAPI__LINUX_IMX_VPU_H