a29add8c9b
Rename the driver and all relevant identifiers from Rockchip to Hantro, as other Hantro IP based VPU implementations can be supported by the same driver. The RK3288 decoder is Hantro G1 based, the encoder is Hantro H1. This patch just renames, no functional changes. Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
103 lines
2.8 KiB
C
103 lines
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Hantro VPU codec driver
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*
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* Copyright 2018 Google LLC.
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* Tomasz Figa <tfiga@chromium.org>
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*/
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#ifndef HANTRO_HW_H_
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#define HANTRO_HW_H_
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#include <linux/interrupt.h>
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#include <linux/v4l2-controls.h>
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#include <media/mpeg2-ctrls.h>
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#include <media/videobuf2-core.h>
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struct hantro_dev;
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struct hantro_ctx;
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struct hantro_buf;
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struct hantro_variant;
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/**
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* struct hantro_aux_buf - auxiliary DMA buffer for hardware data
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* @cpu: CPU pointer to the buffer.
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* @dma: DMA address of the buffer.
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* @size: Size of the buffer.
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*/
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struct hantro_aux_buf {
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void *cpu;
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dma_addr_t dma;
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size_t size;
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};
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/**
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* struct hantro_jpeg_enc_hw_ctx
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* @bounce_buffer: Bounce buffer
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*/
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struct hantro_jpeg_enc_hw_ctx {
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struct hantro_aux_buf bounce_buffer;
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};
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/**
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* struct hantro_mpeg2_dec_hw_ctx
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* @qtable: Quantization table
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*/
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struct hantro_mpeg2_dec_hw_ctx {
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struct hantro_aux_buf qtable;
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};
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/**
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* struct hantro_codec_ops - codec mode specific operations
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*
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* @init: If needed, can be used for initialization.
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* Optional and called from process context.
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* @exit: If needed, can be used to undo the .init phase.
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* Optional and called from process context.
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* @run: Start single {en,de)coding job. Called from atomic context
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* to indicate that a pair of buffers is ready and the hardware
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* should be programmed and started.
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* @done: Read back processing results and additional data from hardware.
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* @reset: Reset the hardware in case of a timeout.
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*/
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struct hantro_codec_ops {
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int (*init)(struct hantro_ctx *ctx);
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void (*exit)(struct hantro_ctx *ctx);
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void (*run)(struct hantro_ctx *ctx);
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void (*done)(struct hantro_ctx *ctx, enum vb2_buffer_state);
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void (*reset)(struct hantro_ctx *ctx);
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};
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/**
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* enum hantro_enc_fmt - source format ID for hardware registers.
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*/
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enum hantro_enc_fmt {
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RK3288_VPU_ENC_FMT_YUV420P = 0,
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RK3288_VPU_ENC_FMT_YUV420SP = 1,
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RK3288_VPU_ENC_FMT_YUYV422 = 2,
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RK3288_VPU_ENC_FMT_UYVY422 = 3,
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};
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extern const struct hantro_variant rk3399_vpu_variant;
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extern const struct hantro_variant rk3328_vpu_variant;
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extern const struct hantro_variant rk3288_vpu_variant;
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void hantro_watchdog(struct work_struct *work);
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void hantro_run(struct hantro_ctx *ctx);
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void hantro_irq_done(struct hantro_dev *vpu, unsigned int bytesused,
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enum vb2_buffer_state result);
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void hantro_h1_jpeg_enc_run(struct hantro_ctx *ctx);
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void rk3399_vpu_jpeg_enc_run(struct hantro_ctx *ctx);
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int hantro_jpeg_enc_init(struct hantro_ctx *ctx);
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void hantro_jpeg_enc_exit(struct hantro_ctx *ctx);
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void hantro_g1_mpeg2_dec_run(struct hantro_ctx *ctx);
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void rk3399_vpu_mpeg2_dec_run(struct hantro_ctx *ctx);
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void hantro_mpeg2_dec_copy_qtable(u8 *qtable,
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const struct v4l2_ctrl_mpeg2_quantization *ctrl);
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int hantro_mpeg2_dec_init(struct hantro_ctx *ctx);
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void hantro_mpeg2_dec_exit(struct hantro_ctx *ctx);
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#endif /* HANTRO_HW_H_ */
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