diff options
Diffstat (limited to 'drivers/staging/media/rockchip/vpu/rockchip_vpu.h')
| -rw-r--r-- | drivers/staging/media/rockchip/vpu/rockchip_vpu.h | 232 |
1 files changed, 0 insertions, 232 deletions
diff --git a/drivers/staging/media/rockchip/vpu/rockchip_vpu.h b/drivers/staging/media/rockchip/vpu/rockchip_vpu.h deleted file mode 100644 index 1ec2be483e27..000000000000 --- a/drivers/staging/media/rockchip/vpu/rockchip_vpu.h +++ /dev/null @@ -1,232 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -/* - * Rockchip VPU codec driver - * - * Copyright 2018 Google LLC. - * Tomasz Figa <tfiga@chromium.org> - * - * Based on s5p-mfc driver by Samsung Electronics Co., Ltd. - * Copyright (C) 2011 Samsung Electronics Co., Ltd. - */ - -#ifndef ROCKCHIP_VPU_H_ -#define ROCKCHIP_VPU_H_ - -#include <linux/platform_device.h> -#include <linux/videodev2.h> -#include <linux/wait.h> -#include <linux/clk.h> - -#include <media/v4l2-ctrls.h> -#include <media/v4l2-device.h> -#include <media/v4l2-ioctl.h> -#include <media/videobuf2-core.h> -#include <media/videobuf2-dma-contig.h> - -#include "rockchip_vpu_hw.h" - -#define ROCKCHIP_VPU_MAX_CLOCKS 4 - -#define JPEG_MB_DIM 16 -#define JPEG_MB_WIDTH(w) DIV_ROUND_UP(w, JPEG_MB_DIM) -#define JPEG_MB_HEIGHT(h) DIV_ROUND_UP(h, JPEG_MB_DIM) - -struct rockchip_vpu_ctx; -struct rockchip_vpu_codec_ops; - -#define RK_VPU_CODEC_JPEG BIT(0) - -/** - * struct rockchip_vpu_variant - information about VPU hardware variant - * - * @enc_offset: Offset from VPU base to encoder registers. - * @enc_fmts: Encoder formats. - * @num_enc_fmts: Number of encoder formats. - * @codec: Supported codecs - * @codec_ops: Codec ops. - * @init: Initialize hardware. - * @vepu_irq: encoder interrupt handler - * @clk_names: array of clock names - * @num_clocks: number of clocks in the array - */ -struct rockchip_vpu_variant { - unsigned int enc_offset; - const struct rockchip_vpu_fmt *enc_fmts; - unsigned int num_enc_fmts; - unsigned int codec; - const struct rockchip_vpu_codec_ops *codec_ops; - int (*init)(struct rockchip_vpu_dev *vpu); - irqreturn_t (*vepu_irq)(int irq, void *priv); - const char *clk_names[ROCKCHIP_VPU_MAX_CLOCKS]; - int num_clocks; -}; - -/** - * enum rockchip_vpu_codec_mode - codec operating mode. - * @RK_VPU_MODE_NONE: No operating mode. Used for RAW video formats. - * @RK_VPU_MODE_JPEG_ENC: JPEG encoder. - */ -enum rockchip_vpu_codec_mode { - RK_VPU_MODE_NONE = -1, - RK_VPU_MODE_JPEG_ENC, -}; - -/** - * struct rockchip_vpu_dev - driver data - * @v4l2_dev: V4L2 device to register video devices for. - * @m2m_dev: mem2mem device associated to this device. - * @mdev: media device associated to this device. - * @vfd_enc: Video device for encoder. - * @pdev: Pointer to VPU platform device. - * @dev: Pointer to device for convenient logging using - * dev_ macros. - * @clocks: Array of clock handles. - * @base: Mapped address of VPU registers. - * @enc_base: Mapped address of VPU encoder register for convenience. - * @vpu_mutex: Mutex to synchronize V4L2 calls. - * @irqlock: Spinlock to synchronize access to data structures - * shared with interrupt handlers. - * @variant: Hardware variant-specific parameters. - * @watchdog_work: Delayed work for hardware timeout handling. - */ -struct rockchip_vpu_dev { - struct v4l2_device v4l2_dev; - struct v4l2_m2m_dev *m2m_dev; - struct media_device mdev; - struct video_device *vfd_enc; - struct platform_device *pdev; - struct device *dev; - struct clk_bulk_data clocks[ROCKCHIP_VPU_MAX_CLOCKS]; - void __iomem *base; - void __iomem *enc_base; - - struct mutex vpu_mutex; /* video_device lock */ - spinlock_t irqlock; - const struct rockchip_vpu_variant *variant; - struct delayed_work watchdog_work; -}; - -/** - * struct rockchip_vpu_ctx - Context (instance) private data. - * - * @dev: VPU driver data to which the context belongs. - * @fh: V4L2 file handler. - * - * @sequence_cap: Sequence counter for capture queue - * @sequence_out: Sequence counter for output queue - * - * @vpu_src_fmt: Descriptor of active source format. - * @src_fmt: V4L2 pixel format of active source format. - * @vpu_dst_fmt: Descriptor of active destination format. - * @dst_fmt: V4L2 pixel format of active destination format. - * - * @ctrl_handler: Control handler used to register controls. - * @jpeg_quality: User-specified JPEG compression quality. - * - * @codec_ops: Set of operations related to codec mode. - * - * @bounce_dma_addr: Bounce buffer bus address. - * @bounce_buf: Bounce buffer pointer. - * @bounce_size: Bounce buffer size. - */ -struct rockchip_vpu_ctx { - struct rockchip_vpu_dev *dev; - struct v4l2_fh fh; - - u32 sequence_cap; - u32 sequence_out; - - const struct rockchip_vpu_fmt *vpu_src_fmt; - struct v4l2_pix_format_mplane src_fmt; - const struct rockchip_vpu_fmt *vpu_dst_fmt; - struct v4l2_pix_format_mplane dst_fmt; - - struct v4l2_ctrl_handler ctrl_handler; - int jpeg_quality; - - const struct rockchip_vpu_codec_ops *codec_ops; - - dma_addr_t bounce_dma_addr; - void *bounce_buf; - size_t bounce_size; -}; - -/** - * struct rockchip_vpu_fmt - information about supported video formats. - * @name: Human readable name of the format. - * @fourcc: FourCC code of the format. See V4L2_PIX_FMT_*. - * @codec_mode: Codec mode related to this format. See - * enum rockchip_vpu_codec_mode. - * @header_size: Optional header size. Currently used by JPEG encoder. - * @max_depth: Maximum depth, for bitstream formats - * @enc_fmt: Format identifier for encoder registers. - * @frmsize: Supported range of frame sizes (only for bitstream formats). - */ -struct rockchip_vpu_fmt { - char *name; - u32 fourcc; - enum rockchip_vpu_codec_mode codec_mode; - int header_size; - int max_depth; - enum rockchip_vpu_enc_fmt enc_fmt; - struct v4l2_frmsize_stepwise frmsize; -}; - -/* Logging helpers */ - -/** - * debug - Module parameter to control level of debugging messages. - * - * Level of debugging messages can be controlled by bits of - * module parameter called "debug". Meaning of particular - * bits is as follows: - * - * bit 0 - global information: mode, size, init, release - * bit 1 - each run start/result information - * bit 2 - contents of small controls from userspace - * bit 3 - contents of big controls from userspace - * bit 4 - detail fmt, ctrl, buffer q/dq information - * bit 5 - detail function enter/leave trace information - * bit 6 - register write/read information - */ -extern int rockchip_vpu_debug; - -#define vpu_debug(level, fmt, args...) \ - do { \ - if (rockchip_vpu_debug & BIT(level)) \ - pr_info("%s:%d: " fmt, \ - __func__, __LINE__, ##args); \ - } while (0) - -#define vpu_err(fmt, args...) \ - pr_err("%s:%d: " fmt, __func__, __LINE__, ##args) - -/* Structure access helpers. */ -static inline struct rockchip_vpu_ctx *fh_to_ctx(struct v4l2_fh *fh) -{ - return container_of(fh, struct rockchip_vpu_ctx, fh); -} - -/* Register accessors. */ -static inline void vepu_write_relaxed(struct rockchip_vpu_dev *vpu, - u32 val, u32 reg) -{ - vpu_debug(6, "0x%04x = 0x%08x\n", reg / 4, val); - writel_relaxed(val, vpu->enc_base + reg); -} - -static inline void vepu_write(struct rockchip_vpu_dev *vpu, u32 val, u32 reg) -{ - vpu_debug(6, "0x%04x = 0x%08x\n", reg / 4, val); - writel(val, vpu->enc_base + reg); -} - -static inline u32 vepu_read(struct rockchip_vpu_dev *vpu, u32 reg) -{ - u32 val = readl(vpu->enc_base + reg); - - vpu_debug(6, "0x%04x = 0x%08x\n", reg / 4, val); - return val; -} - -#endif /* ROCKCHIP_VPU_H_ */ |