1 /* SPDX-License-Identifier: GPL-2.0 */
3  * Hantro VPU codec driver
8  * Based on s5p-mfc driver by Samsung Electronics Co., Ltd.
21 #include <media/v4l2-ctrls.h>
22 #include <media/v4l2-device.h>
23 #include <media/v4l2-ioctl.h>
24 #include <media/v4l2-mem2mem.h>
25 #include <media/videobuf2-core.h>
26 #include <media/videobuf2-dma-contig.h>
45  * struct hantro_irq - irq handler and name
47  * @name:			irq name for device tree lookup
52 	irqreturn_t (*handler)(int irq, void *priv);
56  * struct hantro_variant - information about VPU hardware variant
64  * @postproc_fmts:		Post-processor formats.
65  * @num_postproc_fmts:		Number of post-processor formats.
66  * @postproc_ops:		Post-processor ops.
67  * @codec:			Supported codecs
68  * @codec_ops:			Codec ops.
71  * @irqs:			array of irq names and interrupt handlers
91 	unsigned int codec;  member
107  * enum hantro_codec_mode - codec operating mode.
111  * @HANTRO_MODE_MPEG2_DEC: MPEG-2 decoder.
118 	HANTRO_MODE_NONE = -1,
129  * struct hantro_ctrl - helper type to declare supported controls
130  * @codec:	codec id this control belong to (HANTRO_JPEG_ENCODER, etc.)
134 	unsigned int codec;  member
139  * struct hantro_func - Hantro VPU functionality
174  * struct hantro_dev - driver data
192  * @variant:		Hardware variant-specific parameters.
217  * struct hantro_ctx - Context (instance) private data.
232  * @jpeg_quality:	User-specified JPEG compression quality.
235  *			use the post-processor.
237  * @codec_ops:		Set of operations related to codec mode.
238  * @postproc:		Post-processing context.
239  * @h264_dec:		H.264-decoding context.
240  * @mpeg2_dec:		MPEG-2-decoding context.
241  * @vp8_dec:		VP8-decoding context.
242  * @hevc_dec:		HEVC-decoding context.
243  * @vp9_dec:		VP9-decoding context.
244  * @av1_dec:		AV1-decoding context.
267 	/* Specific for particular codec modes. */
279  * struct hantro_fmt - information about supported video formats.
282  * @codec_mode:	Codec mode related to this format. See
288  * @postprocessed: Indicates if this format needs the post-processor.
353  * bit 0 - global information: mode, size, init, release
354  * bit 1 - each run start/result information
355  * bit 2 - contents of small controls from userspace
356  * bit 3 - contents of big controls from userspace
357  * bit 4 - detail fmt, ctrl, buffer q/dq information
358  * bit 5 - detail function enter/leave trace information
359  * bit 6 - register write/read information
384 	writel_relaxed(val, vpu->enc_base + reg);  in vepu_write_relaxed()
390 	writel(val, vpu->enc_base + reg);  in vepu_write()
395 	u32 val = readl(vpu->enc_base + reg);  in vepu_read()
405 	writel_relaxed(val, vpu->dec_base + reg);  in vdpu_write_relaxed()
411 	writel(val, vpu->dec_base + reg);  in vdpu_write()
423 	u32 val = readl(vpu->dec_base + reg);  in vdpu_read()
435 	v = vdpu_read(vpu, reg->base);  in vdpu_read_mask()
436 	v &= ~(reg->mask << reg->shift);  in vdpu_read_mask()
437 	v |= ((val & reg->mask) << reg->shift);  in vdpu_read_mask()
445 	vdpu_write(vpu, vdpu_read_mask(vpu, reg, val), reg->base);  in hantro_reg_write()
452 	vdpu_write_relaxed(vpu, vdpu_read_mask(vpu, reg, val), reg->base);  in hantro_reg_write_relaxed()
461 	return v4l2_m2m_next_src_buf(ctx->fh.m2m_ctx);  in hantro_get_src_buf()
467 	return v4l2_m2m_next_dst_buf(ctx->fh.m2m_ctx);  in hantro_get_dst_buf()
479 	if (hantro_needs_postproc(ctx, ctx->vpu_dst_fmt))  in hantro_get_dec_buf_addr()
480 		return hantro_postproc_get_dec_buf_addr(ctx, vb->index);  in hantro_get_dec_buf_addr()