Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    1) // SPDX-License-Identifier: GPL-2.0-or-later
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    3)  * Copyright (C) 2012-2016 Mentor Graphics Inc.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    5)  * Queued image conversion support, with tiling and rotation.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    6)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    8) #include <linux/interrupt.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300    9) #include <linux/dma-mapping.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   10) #include <video/imx-ipu-image-convert.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   11) #include "ipu-prv.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   13) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   14)  * The IC Resizer has a restriction that the output frame from the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   15)  * resizer must be 1024 or less in both width (pixels) and height
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   16)  * (lines).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   17)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   18)  * The image converter attempts to split up a conversion when
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   19)  * the desired output (converted) frame resolution exceeds the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   20)  * IC resizer limit of 1024 in either dimension.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   21)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   22)  * If either dimension of the output frame exceeds the limit, the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   23)  * dimension is split into 1, 2, or 4 equal stripes, for a maximum
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   24)  * of 4*4 or 16 tiles. A conversion is then carried out for each
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   25)  * tile (but taking care to pass the full frame stride length to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   26)  * the DMA channel's parameter memory!). IDMA double-buffering is used
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   27)  * to convert each tile back-to-back when possible (see note below
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   28)  * when double_buffering boolean is set).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   29)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   30)  * Note that the input frame must be split up into the same number
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   31)  * of tiles as the output frame:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   32)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   33)  *                       +---------+-----+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   34)  *   +-----+---+         |  A      | B   |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   35)  *   | A   | B |         |         |     |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   36)  *   +-----+---+   -->   +---------+-----+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   37)  *   | C   | D |         |  C      | D   |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   38)  *   +-----+---+         |         |     |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   39)  *                       +---------+-----+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   40)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   41)  * Clockwise 90° rotations are handled by first rescaling into a
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   42)  * reusable temporary tile buffer and then rotating with the 8x8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   43)  * block rotator, writing to the correct destination:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   44)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   45)  *                                         +-----+-----+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   46)  *                                         |     |     |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   47)  *   +-----+---+         +---------+       | C   | A   |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   48)  *   | A   | B |         | A,B, |  |       |     |     |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   49)  *   +-----+---+   -->   | C,D  |  |  -->  |     |     |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   50)  *   | C   | D |         +---------+       +-----+-----+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   51)  *   +-----+---+                           | D   | B   |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   52)  *                                         |     |     |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   53)  *                                         +-----+-----+
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   54)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   55)  * If the 8x8 block rotator is used, horizontal or vertical flipping
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   56)  * is done during the rotation step, otherwise flipping is done
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   57)  * during the scaling step.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   58)  * With rotation or flipping, tile order changes between input and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   59)  * output image. Tiles are numbered row major from top left to bottom
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   60)  * right for both input and output image.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   61)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   62) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   63) #define MAX_STRIPES_W    4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   64) #define MAX_STRIPES_H    4
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   65) #define MAX_TILES (MAX_STRIPES_W * MAX_STRIPES_H)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   67) #define MIN_W     16
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   68) #define MIN_H     8
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   69) #define MAX_W     4096
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   70) #define MAX_H     4096
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   71) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   72) enum ipu_image_convert_type {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   73) 	IMAGE_CONVERT_IN = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   74) 	IMAGE_CONVERT_OUT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   75) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   77) struct ipu_image_convert_dma_buf {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   78) 	void          *virt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   79) 	dma_addr_t    phys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   80) 	unsigned long len;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   81) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   82) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   83) struct ipu_image_convert_dma_chan {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   84) 	int in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   85) 	int out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   86) 	int rot_in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   87) 	int rot_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   88) 	int vdi_in_p;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   89) 	int vdi_in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   90) 	int vdi_in_n;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   91) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   92) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   93) /* dimensions of one tile */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   94) struct ipu_image_tile {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   95) 	u32 width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   96) 	u32 height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   97) 	u32 left;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   98) 	u32 top;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   99) 	/* size and strides are in bytes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  100) 	u32 size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  101) 	u32 stride;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  102) 	u32 rot_stride;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  103) 	/* start Y or packed offset of this tile */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  104) 	u32 offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  105) 	/* offset from start to tile in U plane, for planar formats */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  106) 	u32 u_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  107) 	/* offset from start to tile in V plane, for planar formats */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  108) 	u32 v_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  109) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  110) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  111) struct ipu_image_convert_image {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  112) 	struct ipu_image base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  113) 	enum ipu_image_convert_type type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  115) 	const struct ipu_image_pixfmt *fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  116) 	unsigned int stride;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  118) 	/* # of rows (horizontal stripes) if dest height is > 1024 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  119) 	unsigned int num_rows;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  120) 	/* # of columns (vertical stripes) if dest width is > 1024 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  121) 	unsigned int num_cols;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  123) 	struct ipu_image_tile tile[MAX_TILES];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  124) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  125) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  126) struct ipu_image_pixfmt {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  127) 	u32	fourcc;        /* V4L2 fourcc */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  128) 	int     bpp;           /* total bpp */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  129) 	int     uv_width_dec;  /* decimation in width for U/V planes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  130) 	int     uv_height_dec; /* decimation in height for U/V planes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  131) 	bool    planar;        /* planar format */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  132) 	bool    uv_swapped;    /* U and V planes are swapped */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  133) 	bool    uv_packed;     /* partial planar (U and V in same plane) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  134) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  135) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  136) struct ipu_image_convert_ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  137) struct ipu_image_convert_chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  138) struct ipu_image_convert_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  139) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  140) enum eof_irq_mask {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  141) 	EOF_IRQ_IN      = BIT(0),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  142) 	EOF_IRQ_ROT_IN  = BIT(1),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  143) 	EOF_IRQ_OUT     = BIT(2),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  144) 	EOF_IRQ_ROT_OUT = BIT(3),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  145) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  147) #define EOF_IRQ_COMPLETE (EOF_IRQ_IN | EOF_IRQ_OUT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  148) #define EOF_IRQ_ROT_COMPLETE (EOF_IRQ_IN | EOF_IRQ_OUT |	\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  149) 			      EOF_IRQ_ROT_IN | EOF_IRQ_ROT_OUT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  151) struct ipu_image_convert_ctx {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  152) 	struct ipu_image_convert_chan *chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  154) 	ipu_image_convert_cb_t complete;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  155) 	void *complete_context;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  156) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  157) 	/* Source/destination image data and rotation mode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  158) 	struct ipu_image_convert_image in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  159) 	struct ipu_image_convert_image out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  160) 	struct ipu_ic_csc csc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  161) 	enum ipu_rotate_mode rot_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  162) 	u32 downsize_coeff_h;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  163) 	u32 downsize_coeff_v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  164) 	u32 image_resize_coeff_h;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  165) 	u32 image_resize_coeff_v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  166) 	u32 resize_coeffs_h[MAX_STRIPES_W];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  167) 	u32 resize_coeffs_v[MAX_STRIPES_H];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  168) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  169) 	/* intermediate buffer for rotation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  170) 	struct ipu_image_convert_dma_buf rot_intermediate[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  171) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  172) 	/* current buffer number for double buffering */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  173) 	int cur_buf_num;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  175) 	bool aborting;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  176) 	struct completion aborted;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  177) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  178) 	/* can we use double-buffering for this conversion operation? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  179) 	bool double_buffering;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  180) 	/* num_rows * num_cols */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  181) 	unsigned int num_tiles;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  182) 	/* next tile to process */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  183) 	unsigned int next_tile;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  184) 	/* where to place converted tile in dest image */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  185) 	unsigned int out_tile_map[MAX_TILES];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  186) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  187) 	/* mask of completed EOF irqs at every tile conversion */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  188) 	enum eof_irq_mask eof_mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  189) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  190) 	struct list_head list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  191) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  193) struct ipu_image_convert_chan {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  194) 	struct ipu_image_convert_priv *priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  195) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  196) 	enum ipu_ic_task ic_task;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  197) 	const struct ipu_image_convert_dma_chan *dma_ch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  199) 	struct ipu_ic *ic;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  200) 	struct ipuv3_channel *in_chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  201) 	struct ipuv3_channel *out_chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  202) 	struct ipuv3_channel *rotation_in_chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  203) 	struct ipuv3_channel *rotation_out_chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  204) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  205) 	/* the IPU end-of-frame irqs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  206) 	int in_eof_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  207) 	int rot_in_eof_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  208) 	int out_eof_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  209) 	int rot_out_eof_irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  210) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  211) 	spinlock_t irqlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  213) 	/* list of convert contexts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  214) 	struct list_head ctx_list;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  215) 	/* queue of conversion runs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  216) 	struct list_head pending_q;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  217) 	/* queue of completed runs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  218) 	struct list_head done_q;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  220) 	/* the current conversion run */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  221) 	struct ipu_image_convert_run *current_run;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  222) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  223) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  224) struct ipu_image_convert_priv {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  225) 	struct ipu_image_convert_chan chan[IC_NUM_TASKS];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  226) 	struct ipu_soc *ipu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  227) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  228) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  229) static const struct ipu_image_convert_dma_chan
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  230) image_convert_dma_chan[IC_NUM_TASKS] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  231) 	[IC_TASK_VIEWFINDER] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  232) 		.in = IPUV3_CHANNEL_MEM_IC_PRP_VF,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  233) 		.out = IPUV3_CHANNEL_IC_PRP_VF_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  234) 		.rot_in = IPUV3_CHANNEL_MEM_ROT_VF,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  235) 		.rot_out = IPUV3_CHANNEL_ROT_VF_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  236) 		.vdi_in_p = IPUV3_CHANNEL_MEM_VDI_PREV,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  237) 		.vdi_in = IPUV3_CHANNEL_MEM_VDI_CUR,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  238) 		.vdi_in_n = IPUV3_CHANNEL_MEM_VDI_NEXT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  239) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  240) 	[IC_TASK_POST_PROCESSOR] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  241) 		.in = IPUV3_CHANNEL_MEM_IC_PP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  242) 		.out = IPUV3_CHANNEL_IC_PP_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  243) 		.rot_in = IPUV3_CHANNEL_MEM_ROT_PP,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  244) 		.rot_out = IPUV3_CHANNEL_ROT_PP_MEM,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  245) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  246) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  247) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  248) static const struct ipu_image_pixfmt image_convert_formats[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  249) 	{
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  250) 		.fourcc	= V4L2_PIX_FMT_RGB565,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  251) 		.bpp    = 16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  252) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  253) 		.fourcc	= V4L2_PIX_FMT_RGB24,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  254) 		.bpp    = 24,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  255) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  256) 		.fourcc	= V4L2_PIX_FMT_BGR24,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  257) 		.bpp    = 24,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  258) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  259) 		.fourcc	= V4L2_PIX_FMT_RGB32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  260) 		.bpp    = 32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  261) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  262) 		.fourcc	= V4L2_PIX_FMT_BGR32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  263) 		.bpp    = 32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  264) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  265) 		.fourcc	= V4L2_PIX_FMT_XRGB32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  266) 		.bpp    = 32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  267) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  268) 		.fourcc	= V4L2_PIX_FMT_XBGR32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  269) 		.bpp    = 32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  270) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  271) 		.fourcc	= V4L2_PIX_FMT_BGRX32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  272) 		.bpp    = 32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  273) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  274) 		.fourcc	= V4L2_PIX_FMT_RGBX32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  275) 		.bpp    = 32,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  276) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  277) 		.fourcc	= V4L2_PIX_FMT_YUYV,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  278) 		.bpp    = 16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  279) 		.uv_width_dec = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  280) 		.uv_height_dec = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  281) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  282) 		.fourcc	= V4L2_PIX_FMT_UYVY,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  283) 		.bpp    = 16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  284) 		.uv_width_dec = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  285) 		.uv_height_dec = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  286) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  287) 		.fourcc	= V4L2_PIX_FMT_YUV420,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  288) 		.bpp    = 12,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  289) 		.planar = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  290) 		.uv_width_dec = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  291) 		.uv_height_dec = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  292) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  293) 		.fourcc	= V4L2_PIX_FMT_YVU420,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  294) 		.bpp    = 12,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  295) 		.planar = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  296) 		.uv_width_dec = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  297) 		.uv_height_dec = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  298) 		.uv_swapped = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  299) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  300) 		.fourcc = V4L2_PIX_FMT_NV12,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  301) 		.bpp    = 12,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  302) 		.planar = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  303) 		.uv_width_dec = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  304) 		.uv_height_dec = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  305) 		.uv_packed = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  306) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  307) 		.fourcc = V4L2_PIX_FMT_YUV422P,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  308) 		.bpp    = 16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  309) 		.planar = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  310) 		.uv_width_dec = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  311) 		.uv_height_dec = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  312) 	}, {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  313) 		.fourcc = V4L2_PIX_FMT_NV16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  314) 		.bpp    = 16,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  315) 		.planar = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  316) 		.uv_width_dec = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  317) 		.uv_height_dec = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  318) 		.uv_packed = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  319) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  320) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  321) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  322) static const struct ipu_image_pixfmt *get_format(u32 fourcc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  323) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  324) 	const struct ipu_image_pixfmt *ret = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  325) 	unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  326) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  327) 	for (i = 0; i < ARRAY_SIZE(image_convert_formats); i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  328) 		if (image_convert_formats[i].fourcc == fourcc) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  329) 			ret = &image_convert_formats[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  330) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  331) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  332) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  333) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  334) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  335) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  336) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  337) static void dump_format(struct ipu_image_convert_ctx *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  338) 			struct ipu_image_convert_image *ic_image)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  339) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  340) 	struct ipu_image_convert_chan *chan = ctx->chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  341) 	struct ipu_image_convert_priv *priv = chan->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  342) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  343) 	dev_dbg(priv->ipu->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  344) 		"task %u: ctx %p: %s format: %dx%d (%dx%d tiles), %c%c%c%c\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  345) 		chan->ic_task, ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  346) 		ic_image->type == IMAGE_CONVERT_OUT ? "Output" : "Input",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  347) 		ic_image->base.pix.width, ic_image->base.pix.height,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  348) 		ic_image->num_cols, ic_image->num_rows,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  349) 		ic_image->fmt->fourcc & 0xff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  350) 		(ic_image->fmt->fourcc >> 8) & 0xff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  351) 		(ic_image->fmt->fourcc >> 16) & 0xff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  352) 		(ic_image->fmt->fourcc >> 24) & 0xff);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  353) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  354) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  355) int ipu_image_convert_enum_format(int index, u32 *fourcc)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  356) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  357) 	const struct ipu_image_pixfmt *fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  358) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  359) 	if (index >= (int)ARRAY_SIZE(image_convert_formats))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  360) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  361) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  362) 	/* Format found */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  363) 	fmt = &image_convert_formats[index];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  364) 	*fourcc = fmt->fourcc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  365) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  366) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  367) EXPORT_SYMBOL_GPL(ipu_image_convert_enum_format);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  368) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  369) static void free_dma_buf(struct ipu_image_convert_priv *priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  370) 			 struct ipu_image_convert_dma_buf *buf)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  371) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  372) 	if (buf->virt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  373) 		dma_free_coherent(priv->ipu->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  374) 				  buf->len, buf->virt, buf->phys);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  375) 	buf->virt = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  376) 	buf->phys = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  377) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  378) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  379) static int alloc_dma_buf(struct ipu_image_convert_priv *priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  380) 			 struct ipu_image_convert_dma_buf *buf,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  381) 			 int size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  382) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  383) 	buf->len = PAGE_ALIGN(size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  384) 	buf->virt = dma_alloc_coherent(priv->ipu->dev, buf->len, &buf->phys,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  385) 				       GFP_DMA | GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  386) 	if (!buf->virt) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  387) 		dev_err(priv->ipu->dev, "failed to alloc dma buffer\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  388) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  389) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  390) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  391) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  392) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  393) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  394) static inline int num_stripes(int dim)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  395) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  396) 	return (dim - 1) / 1024 + 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  397) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  398) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  399) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  400)  * Calculate downsizing coefficients, which are the same for all tiles,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  401)  * and initial bilinear resizing coefficients, which are used to find the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  402)  * best seam positions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  403)  * Also determine the number of tiles necessary to guarantee that no tile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  404)  * is larger than 1024 pixels in either dimension at the output and between
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  405)  * IC downsizing and main processing sections.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  406)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  407) static int calc_image_resize_coefficients(struct ipu_image_convert_ctx *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  408) 					  struct ipu_image *in,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  409) 					  struct ipu_image *out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  410) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  411) 	u32 downsized_width = in->rect.width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  412) 	u32 downsized_height = in->rect.height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  413) 	u32 downsize_coeff_v = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  414) 	u32 downsize_coeff_h = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  415) 	u32 resized_width = out->rect.width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  416) 	u32 resized_height = out->rect.height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  417) 	u32 resize_coeff_h;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  418) 	u32 resize_coeff_v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  419) 	u32 cols;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  420) 	u32 rows;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  421) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  422) 	if (ipu_rot_mode_is_irt(ctx->rot_mode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  423) 		resized_width = out->rect.height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  424) 		resized_height = out->rect.width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  425) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  426) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  427) 	/* Do not let invalid input lead to an endless loop below */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  428) 	if (WARN_ON(resized_width == 0 || resized_height == 0))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  429) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  430) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  431) 	while (downsized_width >= resized_width * 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  432) 		downsized_width >>= 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  433) 		downsize_coeff_h++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  434) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  435) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  436) 	while (downsized_height >= resized_height * 2) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  437) 		downsized_height >>= 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  438) 		downsize_coeff_v++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  439) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  440) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  441) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  442) 	 * Calculate the bilinear resizing coefficients that could be used if
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  443) 	 * we were converting with a single tile. The bottom right output pixel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  444) 	 * should sample as close as possible to the bottom right input pixel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  445) 	 * out of the decimator, but not overshoot it:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  446) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  447) 	resize_coeff_h = 8192 * (downsized_width - 1) / (resized_width - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  448) 	resize_coeff_v = 8192 * (downsized_height - 1) / (resized_height - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  449) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  450) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  451) 	 * Both the output of the IC downsizing section before being passed to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  452) 	 * the IC main processing section and the final output of the IC main
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  453) 	 * processing section must be <= 1024 pixels in both dimensions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  454) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  455) 	cols = num_stripes(max_t(u32, downsized_width, resized_width));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  456) 	rows = num_stripes(max_t(u32, downsized_height, resized_height));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  457) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  458) 	dev_dbg(ctx->chan->priv->ipu->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  459) 		"%s: hscale: >>%u, *8192/%u vscale: >>%u, *8192/%u, %ux%u tiles\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  460) 		__func__, downsize_coeff_h, resize_coeff_h, downsize_coeff_v,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  461) 		resize_coeff_v, cols, rows);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  462) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  463) 	if (downsize_coeff_h > 2 || downsize_coeff_v  > 2 ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  464) 	    resize_coeff_h > 0x3fff || resize_coeff_v > 0x3fff)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  465) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  466) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  467) 	ctx->downsize_coeff_h = downsize_coeff_h;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  468) 	ctx->downsize_coeff_v = downsize_coeff_v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  469) 	ctx->image_resize_coeff_h = resize_coeff_h;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  470) 	ctx->image_resize_coeff_v = resize_coeff_v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  471) 	ctx->in.num_cols = cols;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  472) 	ctx->in.num_rows = rows;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  473) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  474) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  475) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  476) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  477) #define round_closest(x, y) round_down((x) + (y)/2, (y))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  478) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  479) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  480)  * Find the best aligned seam position for the given column / row index.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  481)  * Rotation and image offsets are out of scope.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  482)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  483)  * @index: column / row index, used to calculate valid interval
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  484)  * @in_edge: input right / bottom edge
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  485)  * @out_edge: output right / bottom edge
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  486)  * @in_align: input alignment, either horizontal 8-byte line start address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  487)  *            alignment, or pixel alignment due to image format
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  488)  * @out_align: output alignment, either horizontal 8-byte line start address
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  489)  *             alignment, or pixel alignment due to image format or rotator
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  490)  *             block size
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  491)  * @in_burst: horizontal input burst size in case of horizontal flip
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  492)  * @out_burst: horizontal output burst size or rotator block size
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  493)  * @downsize_coeff: downsizing section coefficient
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  494)  * @resize_coeff: main processing section resizing coefficient
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  495)  * @_in_seam: aligned input seam position return value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  496)  * @_out_seam: aligned output seam position return value
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  497)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  498) static void find_best_seam(struct ipu_image_convert_ctx *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  499) 			   unsigned int index,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  500) 			   unsigned int in_edge,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  501) 			   unsigned int out_edge,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  502) 			   unsigned int in_align,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  503) 			   unsigned int out_align,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  504) 			   unsigned int in_burst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  505) 			   unsigned int out_burst,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  506) 			   unsigned int downsize_coeff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  507) 			   unsigned int resize_coeff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  508) 			   u32 *_in_seam,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  509) 			   u32 *_out_seam)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  510) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  511) 	struct device *dev = ctx->chan->priv->ipu->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  512) 	unsigned int out_pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  513) 	/* Input / output seam position candidates */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  514) 	unsigned int out_seam = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  515) 	unsigned int in_seam = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  516) 	unsigned int min_diff = UINT_MAX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  517) 	unsigned int out_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  518) 	unsigned int out_end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  519) 	unsigned int in_start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  520) 	unsigned int in_end;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  521) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  522) 	/* Start within 1024 pixels of the right / bottom edge */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  523) 	out_start = max_t(int, index * out_align, out_edge - 1024);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  524) 	/* End before having to add more columns to the left / rows above */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  525) 	out_end = min_t(unsigned int, out_edge, index * 1024 + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  526) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  527) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  528) 	 * Limit input seam position to make sure that the downsized input tile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  529) 	 * to the right or bottom does not exceed 1024 pixels.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  530) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  531) 	in_start = max_t(int, index * in_align,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  532) 			 in_edge - (1024 << downsize_coeff));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  533) 	in_end = min_t(unsigned int, in_edge,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  534) 		       index * (1024 << downsize_coeff) + 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  535) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  536) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  537) 	 * Output tiles must start at a multiple of 8 bytes horizontally and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  538) 	 * possibly at an even line horizontally depending on the pixel format.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  539) 	 * Only consider output aligned positions for the seam.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  540) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  541) 	out_start = round_up(out_start, out_align);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  542) 	for (out_pos = out_start; out_pos < out_end; out_pos += out_align) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  543) 		unsigned int in_pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  544) 		unsigned int in_pos_aligned;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  545) 		unsigned int in_pos_rounded;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  546) 		unsigned int abs_diff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  547) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  548) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  549) 		 * Tiles in the right row / bottom column may not be allowed to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  550) 		 * overshoot horizontally / vertically. out_burst may be the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  551) 		 * actual DMA burst size, or the rotator block size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  552) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  553) 		if ((out_burst > 1) && (out_edge - out_pos) % out_burst)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  554) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  555) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  556) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  557) 		 * Input sample position, corresponding to out_pos, 19.13 fixed
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  558) 		 * point.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  559) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  560) 		in_pos = (out_pos * resize_coeff) << downsize_coeff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  561) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  562) 		 * The closest input sample position that we could actually
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  563) 		 * start the input tile at, 19.13 fixed point.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  564) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  565) 		in_pos_aligned = round_closest(in_pos, 8192U * in_align);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  566) 		/* Convert 19.13 fixed point to integer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  567) 		in_pos_rounded = in_pos_aligned / 8192U;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  568) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  569) 		if (in_pos_rounded < in_start)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  570) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  571) 		if (in_pos_rounded >= in_end)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  572) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  573) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  574) 		if ((in_burst > 1) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  575) 		    (in_edge - in_pos_rounded) % in_burst)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  576) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  577) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  578) 		if (in_pos < in_pos_aligned)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  579) 			abs_diff = in_pos_aligned - in_pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  580) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  581) 			abs_diff = in_pos - in_pos_aligned;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  582) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  583) 		if (abs_diff < min_diff) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  584) 			in_seam = in_pos_rounded;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  585) 			out_seam = out_pos;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  586) 			min_diff = abs_diff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  587) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  588) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  589) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  590) 	*_out_seam = out_seam;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  591) 	*_in_seam = in_seam;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  592) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  593) 	dev_dbg(dev, "%s: out_seam %u(%u) in [%u, %u], in_seam %u(%u) in [%u, %u] diff %u.%03u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  594) 		__func__, out_seam, out_align, out_start, out_end,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  595) 		in_seam, in_align, in_start, in_end, min_diff / 8192,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  596) 		DIV_ROUND_CLOSEST(min_diff % 8192 * 1000, 8192));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  597) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  598) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  599) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  600)  * Tile left edges are required to be aligned to multiples of 8 bytes
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  601)  * by the IDMAC.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  602)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  603) static inline u32 tile_left_align(const struct ipu_image_pixfmt *fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  604) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  605) 	if (fmt->planar)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  606) 		return fmt->uv_packed ? 8 : 8 * fmt->uv_width_dec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  607) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  608) 		return fmt->bpp == 32 ? 2 : fmt->bpp == 16 ? 4 : 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  609) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  610) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  611) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  612)  * Tile top edge alignment is only limited by chroma subsampling.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  613)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  614) static inline u32 tile_top_align(const struct ipu_image_pixfmt *fmt)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  615) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  616) 	return fmt->uv_height_dec > 1 ? 2 : 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  617) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  618) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  619) static inline u32 tile_width_align(enum ipu_image_convert_type type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  620) 				   const struct ipu_image_pixfmt *fmt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  621) 				   enum ipu_rotate_mode rot_mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  622) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  623) 	if (type == IMAGE_CONVERT_IN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  624) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  625) 		 * The IC burst reads 8 pixels at a time. Reading beyond the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  626) 		 * end of the line is usually acceptable. Those pixels are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  627) 		 * ignored, unless the IC has to write the scaled line in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  628) 		 * reverse.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  629) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  630) 		return (!ipu_rot_mode_is_irt(rot_mode) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  631) 			(rot_mode & IPU_ROT_BIT_HFLIP)) ? 8 : 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  632) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  633) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  634) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  635) 	 * Align to 16x16 pixel blocks for planar 4:2:0 chroma subsampled
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  636) 	 * formats to guarantee 8-byte aligned line start addresses in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  637) 	 * chroma planes when IRT is used. Align to 8x8 pixel IRT block size
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  638) 	 * for all other formats.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  639) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  640) 	return (ipu_rot_mode_is_irt(rot_mode) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  641) 		fmt->planar && !fmt->uv_packed) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  642) 		8 * fmt->uv_width_dec : 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  643) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  644) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  645) static inline u32 tile_height_align(enum ipu_image_convert_type type,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  646) 				    const struct ipu_image_pixfmt *fmt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  647) 				    enum ipu_rotate_mode rot_mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  648) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  649) 	if (type == IMAGE_CONVERT_IN || !ipu_rot_mode_is_irt(rot_mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  650) 		return 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  651) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  652) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  653) 	 * Align to 16x16 pixel blocks for planar 4:2:0 chroma subsampled
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  654) 	 * formats to guarantee 8-byte aligned line start addresses in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  655) 	 * chroma planes when IRT is used. Align to 8x8 pixel IRT block size
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  656) 	 * for all other formats.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  657) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  658) 	return (fmt->planar && !fmt->uv_packed) ? 8 * fmt->uv_width_dec : 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  659) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  660) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  661) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  662)  * Fill in left position and width and for all tiles in an input column, and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  663)  * for all corresponding output tiles. If the 90° rotator is used, the output
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  664)  * tiles are in a row, and output tile top position and height are set.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  665)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  666) static void fill_tile_column(struct ipu_image_convert_ctx *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  667) 			     unsigned int col,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  668) 			     struct ipu_image_convert_image *in,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  669) 			     unsigned int in_left, unsigned int in_width,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  670) 			     struct ipu_image_convert_image *out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  671) 			     unsigned int out_left, unsigned int out_width)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  672) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  673) 	unsigned int row, tile_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  674) 	struct ipu_image_tile *in_tile, *out_tile;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  675) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  676) 	for (row = 0; row < in->num_rows; row++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  677) 		tile_idx = in->num_cols * row + col;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  678) 		in_tile = &in->tile[tile_idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  679) 		out_tile = &out->tile[ctx->out_tile_map[tile_idx]];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  680) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  681) 		in_tile->left = in_left;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  682) 		in_tile->width = in_width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  683) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  684) 		if (ipu_rot_mode_is_irt(ctx->rot_mode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  685) 			out_tile->top = out_left;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  686) 			out_tile->height = out_width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  687) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  688) 			out_tile->left = out_left;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  689) 			out_tile->width = out_width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  690) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  691) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  692) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  693) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  694) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  695)  * Fill in top position and height and for all tiles in an input row, and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  696)  * for all corresponding output tiles. If the 90° rotator is used, the output
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  697)  * tiles are in a column, and output tile left position and width are set.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  698)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  699) static void fill_tile_row(struct ipu_image_convert_ctx *ctx, unsigned int row,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  700) 			  struct ipu_image_convert_image *in,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  701) 			  unsigned int in_top, unsigned int in_height,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  702) 			  struct ipu_image_convert_image *out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  703) 			  unsigned int out_top, unsigned int out_height)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  704) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  705) 	unsigned int col, tile_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  706) 	struct ipu_image_tile *in_tile, *out_tile;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  707) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  708) 	for (col = 0; col < in->num_cols; col++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  709) 		tile_idx = in->num_cols * row + col;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  710) 		in_tile = &in->tile[tile_idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  711) 		out_tile = &out->tile[ctx->out_tile_map[tile_idx]];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  712) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  713) 		in_tile->top = in_top;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  714) 		in_tile->height = in_height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  715) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  716) 		if (ipu_rot_mode_is_irt(ctx->rot_mode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  717) 			out_tile->left = out_top;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  718) 			out_tile->width = out_height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  719) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  720) 			out_tile->top = out_top;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  721) 			out_tile->height = out_height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  722) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  723) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  724) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  725) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  726) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  727)  * Find the best horizontal and vertical seam positions to split into tiles.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  728)  * Minimize the fractional part of the input sampling position for the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  729)  * top / left pixels of each tile.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  730)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  731) static void find_seams(struct ipu_image_convert_ctx *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  732) 		       struct ipu_image_convert_image *in,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  733) 		       struct ipu_image_convert_image *out)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  734) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  735) 	struct device *dev = ctx->chan->priv->ipu->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  736) 	unsigned int resized_width = out->base.rect.width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  737) 	unsigned int resized_height = out->base.rect.height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  738) 	unsigned int col;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  739) 	unsigned int row;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  740) 	unsigned int in_left_align = tile_left_align(in->fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  741) 	unsigned int in_top_align = tile_top_align(in->fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  742) 	unsigned int out_left_align = tile_left_align(out->fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  743) 	unsigned int out_top_align = tile_top_align(out->fmt);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  744) 	unsigned int out_width_align = tile_width_align(out->type, out->fmt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  745) 							ctx->rot_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  746) 	unsigned int out_height_align = tile_height_align(out->type, out->fmt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  747) 							  ctx->rot_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  748) 	unsigned int in_right = in->base.rect.width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  749) 	unsigned int in_bottom = in->base.rect.height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  750) 	unsigned int out_right = out->base.rect.width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  751) 	unsigned int out_bottom = out->base.rect.height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  752) 	unsigned int flipped_out_left;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  753) 	unsigned int flipped_out_top;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  754) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  755) 	if (ipu_rot_mode_is_irt(ctx->rot_mode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  756) 		/* Switch width/height and align top left to IRT block size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  757) 		resized_width = out->base.rect.height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  758) 		resized_height = out->base.rect.width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  759) 		out_left_align = out_height_align;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  760) 		out_top_align = out_width_align;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  761) 		out_width_align = out_left_align;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  762) 		out_height_align = out_top_align;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  763) 		out_right = out->base.rect.height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  764) 		out_bottom = out->base.rect.width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  765) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  766) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  767) 	for (col = in->num_cols - 1; col > 0; col--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  768) 		bool allow_in_overshoot = ipu_rot_mode_is_irt(ctx->rot_mode) ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  769) 					  !(ctx->rot_mode & IPU_ROT_BIT_HFLIP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  770) 		bool allow_out_overshoot = (col < in->num_cols - 1) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  771) 					   !(ctx->rot_mode & IPU_ROT_BIT_HFLIP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  772) 		unsigned int in_left;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  773) 		unsigned int out_left;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  774) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  775) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  776) 		 * Align input width to burst length if the scaling step flips
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  777) 		 * horizontally.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  778) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  779) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  780) 		find_best_seam(ctx, col,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  781) 			       in_right, out_right,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  782) 			       in_left_align, out_left_align,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  783) 			       allow_in_overshoot ? 1 : 8 /* burst length */,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  784) 			       allow_out_overshoot ? 1 : out_width_align,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  785) 			       ctx->downsize_coeff_h, ctx->image_resize_coeff_h,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  786) 			       &in_left, &out_left);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  787) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  788) 		if (ctx->rot_mode & IPU_ROT_BIT_HFLIP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  789) 			flipped_out_left = resized_width - out_right;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  790) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  791) 			flipped_out_left = out_left;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  792) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  793) 		fill_tile_column(ctx, col, in, in_left, in_right - in_left,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  794) 				 out, flipped_out_left, out_right - out_left);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  795) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  796) 		dev_dbg(dev, "%s: col %u: %u, %u -> %u, %u\n", __func__, col,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  797) 			in_left, in_right - in_left,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  798) 			flipped_out_left, out_right - out_left);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  799) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  800) 		in_right = in_left;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  801) 		out_right = out_left;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  802) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  803) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  804) 	flipped_out_left = (ctx->rot_mode & IPU_ROT_BIT_HFLIP) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  805) 			   resized_width - out_right : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  806) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  807) 	fill_tile_column(ctx, 0, in, 0, in_right,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  808) 			 out, flipped_out_left, out_right);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  809) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  810) 	dev_dbg(dev, "%s: col 0: 0, %u -> %u, %u\n", __func__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  811) 		in_right, flipped_out_left, out_right);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  812) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  813) 	for (row = in->num_rows - 1; row > 0; row--) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  814) 		bool allow_overshoot = row < in->num_rows - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  815) 		unsigned int in_top;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  816) 		unsigned int out_top;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  817) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  818) 		find_best_seam(ctx, row,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  819) 			       in_bottom, out_bottom,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  820) 			       in_top_align, out_top_align,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  821) 			       1, allow_overshoot ? 1 : out_height_align,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  822) 			       ctx->downsize_coeff_v, ctx->image_resize_coeff_v,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  823) 			       &in_top, &out_top);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  824) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  825) 		if ((ctx->rot_mode & IPU_ROT_BIT_VFLIP) ^
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  826) 		    ipu_rot_mode_is_irt(ctx->rot_mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  827) 			flipped_out_top = resized_height - out_bottom;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  828) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  829) 			flipped_out_top = out_top;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  830) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  831) 		fill_tile_row(ctx, row, in, in_top, in_bottom - in_top,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  832) 			      out, flipped_out_top, out_bottom - out_top);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  833) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  834) 		dev_dbg(dev, "%s: row %u: %u, %u -> %u, %u\n", __func__, row,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  835) 			in_top, in_bottom - in_top,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  836) 			flipped_out_top, out_bottom - out_top);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  837) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  838) 		in_bottom = in_top;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  839) 		out_bottom = out_top;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  840) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  841) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  842) 	if ((ctx->rot_mode & IPU_ROT_BIT_VFLIP) ^
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  843) 	    ipu_rot_mode_is_irt(ctx->rot_mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  844) 		flipped_out_top = resized_height - out_bottom;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  845) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  846) 		flipped_out_top = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  847) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  848) 	fill_tile_row(ctx, 0, in, 0, in_bottom,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  849) 		      out, flipped_out_top, out_bottom);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  850) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  851) 	dev_dbg(dev, "%s: row 0: 0, %u -> %u, %u\n", __func__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  852) 		in_bottom, flipped_out_top, out_bottom);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  853) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  854) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  855) static int calc_tile_dimensions(struct ipu_image_convert_ctx *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  856) 				struct ipu_image_convert_image *image)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  857) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  858) 	struct ipu_image_convert_chan *chan = ctx->chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  859) 	struct ipu_image_convert_priv *priv = chan->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  860) 	unsigned int max_width = 1024;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  861) 	unsigned int max_height = 1024;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  862) 	unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  863) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  864) 	if (image->type == IMAGE_CONVERT_IN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  865) 		/* Up to 4096x4096 input tile size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  866) 		max_width <<= ctx->downsize_coeff_h;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  867) 		max_height <<= ctx->downsize_coeff_v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  868) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  869) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  870) 	for (i = 0; i < ctx->num_tiles; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  871) 		struct ipu_image_tile *tile;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  872) 		const unsigned int row = i / image->num_cols;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  873) 		const unsigned int col = i % image->num_cols;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  874) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  875) 		if (image->type == IMAGE_CONVERT_OUT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  876) 			tile = &image->tile[ctx->out_tile_map[i]];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  877) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  878) 			tile = &image->tile[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  879) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  880) 		tile->size = ((tile->height * image->fmt->bpp) >> 3) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  881) 			tile->width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  882) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  883) 		if (image->fmt->planar) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  884) 			tile->stride = tile->width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  885) 			tile->rot_stride = tile->height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  886) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  887) 			tile->stride =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  888) 				(image->fmt->bpp * tile->width) >> 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  889) 			tile->rot_stride =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  890) 				(image->fmt->bpp * tile->height) >> 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  891) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  892) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  893) 		dev_dbg(priv->ipu->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  894) 			"task %u: ctx %p: %s@[%u,%u]: %ux%u@%u,%u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  895) 			chan->ic_task, ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  896) 			image->type == IMAGE_CONVERT_IN ? "Input" : "Output",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  897) 			row, col,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  898) 			tile->width, tile->height, tile->left, tile->top);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  899) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  900) 		if (!tile->width || tile->width > max_width ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  901) 		    !tile->height || tile->height > max_height) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  902) 			dev_err(priv->ipu->dev, "invalid %s tile size: %ux%u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  903) 				image->type == IMAGE_CONVERT_IN ? "input" :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  904) 				"output", tile->width, tile->height);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  905) 			return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  906) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  907) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  908) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  909) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  910) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  911) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  912) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  913)  * Use the rotation transformation to find the tile coordinates
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  914)  * (row, col) of a tile in the destination frame that corresponds
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  915)  * to the given tile coordinates of a source frame. The destination
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  916)  * coordinate is then converted to a tile index.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  917)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  918) static int transform_tile_index(struct ipu_image_convert_ctx *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  919) 				int src_row, int src_col)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  920) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  921) 	struct ipu_image_convert_chan *chan = ctx->chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  922) 	struct ipu_image_convert_priv *priv = chan->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  923) 	struct ipu_image_convert_image *s_image = &ctx->in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  924) 	struct ipu_image_convert_image *d_image = &ctx->out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  925) 	int dst_row, dst_col;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  926) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  927) 	/* with no rotation it's a 1:1 mapping */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  928) 	if (ctx->rot_mode == IPU_ROTATE_NONE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  929) 		return src_row * s_image->num_cols + src_col;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  930) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  931) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  932) 	 * before doing the transform, first we have to translate
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  933) 	 * source row,col for an origin in the center of s_image
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  934) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  935) 	src_row = src_row * 2 - (s_image->num_rows - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  936) 	src_col = src_col * 2 - (s_image->num_cols - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  937) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  938) 	/* do the rotation transform */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  939) 	if (ctx->rot_mode & IPU_ROT_BIT_90) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  940) 		dst_col = -src_row;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  941) 		dst_row = src_col;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  942) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  943) 		dst_col = src_col;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  944) 		dst_row = src_row;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  945) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  946) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  947) 	/* apply flip */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  948) 	if (ctx->rot_mode & IPU_ROT_BIT_HFLIP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  949) 		dst_col = -dst_col;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  950) 	if (ctx->rot_mode & IPU_ROT_BIT_VFLIP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  951) 		dst_row = -dst_row;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  952) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  953) 	dev_dbg(priv->ipu->dev, "task %u: ctx %p: [%d,%d] --> [%d,%d]\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  954) 		chan->ic_task, ctx, src_col, src_row, dst_col, dst_row);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  955) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  956) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  957) 	 * finally translate dest row,col using an origin in upper
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  958) 	 * left of d_image
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  959) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  960) 	dst_row += d_image->num_rows - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  961) 	dst_col += d_image->num_cols - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  962) 	dst_row /= 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  963) 	dst_col /= 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  964) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  965) 	return dst_row * d_image->num_cols + dst_col;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  966) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  967) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  968) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  969)  * Fill the out_tile_map[] with transformed destination tile indeces.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  970)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  971) static void calc_out_tile_map(struct ipu_image_convert_ctx *ctx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  972) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  973) 	struct ipu_image_convert_image *s_image = &ctx->in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  974) 	unsigned int row, col, tile = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  975) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  976) 	for (row = 0; row < s_image->num_rows; row++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  977) 		for (col = 0; col < s_image->num_cols; col++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  978) 			ctx->out_tile_map[tile] =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  979) 				transform_tile_index(ctx, row, col);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  980) 			tile++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  981) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  982) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  983) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  984) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  985) static int calc_tile_offsets_planar(struct ipu_image_convert_ctx *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  986) 				    struct ipu_image_convert_image *image)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  987) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  988) 	struct ipu_image_convert_chan *chan = ctx->chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  989) 	struct ipu_image_convert_priv *priv = chan->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  990) 	const struct ipu_image_pixfmt *fmt = image->fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  991) 	unsigned int row, col, tile = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  992) 	u32 H, top, y_stride, uv_stride;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  993) 	u32 uv_row_off, uv_col_off, uv_off, u_off, v_off, tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  994) 	u32 y_row_off, y_col_off, y_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  995) 	u32 y_size, uv_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  996) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  997) 	/* setup some convenience vars */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  998) 	H = image->base.pix.height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  999) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1000) 	y_stride = image->stride;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1001) 	uv_stride = y_stride / fmt->uv_width_dec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1002) 	if (fmt->uv_packed)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1003) 		uv_stride *= 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1004) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1005) 	y_size = H * y_stride;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1006) 	uv_size = y_size / (fmt->uv_width_dec * fmt->uv_height_dec);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1007) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1008) 	for (row = 0; row < image->num_rows; row++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1009) 		top = image->tile[tile].top;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1010) 		y_row_off = top * y_stride;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1011) 		uv_row_off = (top * uv_stride) / fmt->uv_height_dec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1012) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1013) 		for (col = 0; col < image->num_cols; col++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1014) 			y_col_off = image->tile[tile].left;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1015) 			uv_col_off = y_col_off / fmt->uv_width_dec;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1016) 			if (fmt->uv_packed)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1017) 				uv_col_off *= 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1018) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1019) 			y_off = y_row_off + y_col_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1020) 			uv_off = uv_row_off + uv_col_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1021) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1022) 			u_off = y_size - y_off + uv_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1023) 			v_off = (fmt->uv_packed) ? 0 : u_off + uv_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1024) 			if (fmt->uv_swapped) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1025) 				tmp = u_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1026) 				u_off = v_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1027) 				v_off = tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1028) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1029) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1030) 			image->tile[tile].offset = y_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1031) 			image->tile[tile].u_off = u_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1032) 			image->tile[tile++].v_off = v_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1033) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1034) 			if ((y_off & 0x7) || (u_off & 0x7) || (v_off & 0x7)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1035) 				dev_err(priv->ipu->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1036) 					"task %u: ctx %p: %s@[%d,%d]: "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1037) 					"y_off %08x, u_off %08x, v_off %08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1038) 					chan->ic_task, ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1039) 					image->type == IMAGE_CONVERT_IN ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1040) 					"Input" : "Output", row, col,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1041) 					y_off, u_off, v_off);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1042) 				return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1043) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1044) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1045) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1046) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1047) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1048) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1049) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1050) static int calc_tile_offsets_packed(struct ipu_image_convert_ctx *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1051) 				    struct ipu_image_convert_image *image)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1052) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1053) 	struct ipu_image_convert_chan *chan = ctx->chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1054) 	struct ipu_image_convert_priv *priv = chan->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1055) 	const struct ipu_image_pixfmt *fmt = image->fmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1056) 	unsigned int row, col, tile = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1057) 	u32 bpp, stride, offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1058) 	u32 row_off, col_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1059) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1060) 	/* setup some convenience vars */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1061) 	stride = image->stride;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1062) 	bpp = fmt->bpp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1063) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1064) 	for (row = 0; row < image->num_rows; row++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1065) 		row_off = image->tile[tile].top * stride;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1066) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1067) 		for (col = 0; col < image->num_cols; col++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1068) 			col_off = (image->tile[tile].left * bpp) >> 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1069) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1070) 			offset = row_off + col_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1071) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1072) 			image->tile[tile].offset = offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1073) 			image->tile[tile].u_off = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1074) 			image->tile[tile++].v_off = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1075) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1076) 			if (offset & 0x7) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1077) 				dev_err(priv->ipu->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1078) 					"task %u: ctx %p: %s@[%d,%d]: "
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1079) 					"phys %08x\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1080) 					chan->ic_task, ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1081) 					image->type == IMAGE_CONVERT_IN ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1082) 					"Input" : "Output", row, col,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1083) 					row_off + col_off);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1084) 				return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1085) 			}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1086) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1087) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1088) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1089) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1090) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1091) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1092) static int calc_tile_offsets(struct ipu_image_convert_ctx *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1093) 			      struct ipu_image_convert_image *image)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1094) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1095) 	if (image->fmt->planar)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1096) 		return calc_tile_offsets_planar(ctx, image);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1097) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1098) 	return calc_tile_offsets_packed(ctx, image);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1099) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1101) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1102)  * Calculate the resizing ratio for the IC main processing section given input
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1103)  * size, fixed downsizing coefficient, and output size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1104)  * Either round to closest for the next tile's first pixel to minimize seams
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1105)  * and distortion (for all but right column / bottom row), or round down to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1106)  * avoid sampling beyond the edges of the input image for this tile's last
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1107)  * pixel.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1108)  * Returns the resizing coefficient, resizing ratio is 8192.0 / resize_coeff.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1109)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1110) static u32 calc_resize_coeff(u32 input_size, u32 downsize_coeff,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1111) 			     u32 output_size, bool allow_overshoot)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1112) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1113) 	u32 downsized = input_size >> downsize_coeff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1115) 	if (allow_overshoot)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1116) 		return DIV_ROUND_CLOSEST(8192 * downsized, output_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1117) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1118) 		return 8192 * (downsized - 1) / (output_size - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1119) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1120) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1121) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1122)  * Slightly modify resize coefficients per tile to hide the bilinear
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1123)  * interpolator reset at tile borders, shifting the right / bottom edge
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1124)  * by up to a half input pixel. This removes noticeable seams between
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1125)  * tiles at higher upscaling factors.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1126)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1127) static void calc_tile_resize_coefficients(struct ipu_image_convert_ctx *ctx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1128) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1129) 	struct ipu_image_convert_chan *chan = ctx->chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1130) 	struct ipu_image_convert_priv *priv = chan->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1131) 	struct ipu_image_tile *in_tile, *out_tile;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1132) 	unsigned int col, row, tile_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1133) 	unsigned int last_output;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1134) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1135) 	for (col = 0; col < ctx->in.num_cols; col++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1136) 		bool closest = (col < ctx->in.num_cols - 1) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1137) 			       !(ctx->rot_mode & IPU_ROT_BIT_HFLIP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1138) 		u32 resized_width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1139) 		u32 resize_coeff_h;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1140) 		u32 in_width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1141) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1142) 		tile_idx = col;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1143) 		in_tile = &ctx->in.tile[tile_idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1144) 		out_tile = &ctx->out.tile[ctx->out_tile_map[tile_idx]];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1145) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1146) 		if (ipu_rot_mode_is_irt(ctx->rot_mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1147) 			resized_width = out_tile->height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1148) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1149) 			resized_width = out_tile->width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1150) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1151) 		resize_coeff_h = calc_resize_coeff(in_tile->width,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1152) 						   ctx->downsize_coeff_h,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1153) 						   resized_width, closest);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1154) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1155) 		dev_dbg(priv->ipu->dev, "%s: column %u hscale: *8192/%u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1156) 			__func__, col, resize_coeff_h);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1158) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1159) 		 * With the horizontal scaling factor known, round up resized
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1160) 		 * width (output width or height) to burst size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1161) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1162) 		resized_width = round_up(resized_width, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1164) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1165) 		 * Calculate input width from the last accessed input pixel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1166) 		 * given resized width and scaling coefficients. Round up to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1167) 		 * burst size.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1168) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1169) 		last_output = resized_width - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1170) 		if (closest && ((last_output * resize_coeff_h) % 8192))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1171) 			last_output++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1172) 		in_width = round_up(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1173) 			(DIV_ROUND_UP(last_output * resize_coeff_h, 8192) + 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1174) 			<< ctx->downsize_coeff_h, 8);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1175) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1176) 		for (row = 0; row < ctx->in.num_rows; row++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1177) 			tile_idx = row * ctx->in.num_cols + col;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1178) 			in_tile = &ctx->in.tile[tile_idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1179) 			out_tile = &ctx->out.tile[ctx->out_tile_map[tile_idx]];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1180) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1181) 			if (ipu_rot_mode_is_irt(ctx->rot_mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1182) 				out_tile->height = resized_width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1183) 			else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1184) 				out_tile->width = resized_width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1185) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1186) 			in_tile->width = in_width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1187) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1188) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1189) 		ctx->resize_coeffs_h[col] = resize_coeff_h;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1190) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1192) 	for (row = 0; row < ctx->in.num_rows; row++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1193) 		bool closest = (row < ctx->in.num_rows - 1) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1194) 			       !(ctx->rot_mode & IPU_ROT_BIT_VFLIP);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1195) 		u32 resized_height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1196) 		u32 resize_coeff_v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1197) 		u32 in_height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1199) 		tile_idx = row * ctx->in.num_cols;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1200) 		in_tile = &ctx->in.tile[tile_idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1201) 		out_tile = &ctx->out.tile[ctx->out_tile_map[tile_idx]];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1202) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1203) 		if (ipu_rot_mode_is_irt(ctx->rot_mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1204) 			resized_height = out_tile->width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1205) 		else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1206) 			resized_height = out_tile->height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1208) 		resize_coeff_v = calc_resize_coeff(in_tile->height,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1209) 						   ctx->downsize_coeff_v,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1210) 						   resized_height, closest);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1211) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1212) 		dev_dbg(priv->ipu->dev, "%s: row %u vscale: *8192/%u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1213) 			__func__, row, resize_coeff_v);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1215) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1216) 		 * With the vertical scaling factor known, round up resized
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1217) 		 * height (output width or height) to IDMAC limitations.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1218) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1219) 		resized_height = round_up(resized_height, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1220) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1221) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1222) 		 * Calculate input width from the last accessed input pixel
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1223) 		 * given resized height and scaling coefficients. Align to
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1224) 		 * IDMAC restrictions.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1225) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1226) 		last_output = resized_height - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1227) 		if (closest && ((last_output * resize_coeff_v) % 8192))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1228) 			last_output++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1229) 		in_height = round_up(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1230) 			(DIV_ROUND_UP(last_output * resize_coeff_v, 8192) + 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1231) 			<< ctx->downsize_coeff_v, 2);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1232) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1233) 		for (col = 0; col < ctx->in.num_cols; col++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1234) 			tile_idx = row * ctx->in.num_cols + col;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1235) 			in_tile = &ctx->in.tile[tile_idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1236) 			out_tile = &ctx->out.tile[ctx->out_tile_map[tile_idx]];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1238) 			if (ipu_rot_mode_is_irt(ctx->rot_mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1239) 				out_tile->width = resized_height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1240) 			else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1241) 				out_tile->height = resized_height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1242) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1243) 			in_tile->height = in_height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1244) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1245) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1246) 		ctx->resize_coeffs_v[row] = resize_coeff_v;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1247) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1248) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1249) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1250) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1251)  * return the number of runs in given queue (pending_q or done_q)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1252)  * for this context. hold irqlock when calling.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1253)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1254) static int get_run_count(struct ipu_image_convert_ctx *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1255) 			 struct list_head *q)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1256) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1257) 	struct ipu_image_convert_run *run;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1258) 	int count = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1259) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1260) 	lockdep_assert_held(&ctx->chan->irqlock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1261) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1262) 	list_for_each_entry(run, q, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1263) 		if (run->ctx == ctx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1264) 			count++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1265) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1266) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1267) 	return count;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1268) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1269) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1270) static void convert_stop(struct ipu_image_convert_run *run)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1271) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1272) 	struct ipu_image_convert_ctx *ctx = run->ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1273) 	struct ipu_image_convert_chan *chan = ctx->chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1274) 	struct ipu_image_convert_priv *priv = chan->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1275) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1276) 	dev_dbg(priv->ipu->dev, "%s: task %u: stopping ctx %p run %p\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1277) 		__func__, chan->ic_task, ctx, run);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1278) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1279) 	/* disable IC tasks and the channels */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1280) 	ipu_ic_task_disable(chan->ic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1281) 	ipu_idmac_disable_channel(chan->in_chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1282) 	ipu_idmac_disable_channel(chan->out_chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1283) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1284) 	if (ipu_rot_mode_is_irt(ctx->rot_mode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1285) 		ipu_idmac_disable_channel(chan->rotation_in_chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1286) 		ipu_idmac_disable_channel(chan->rotation_out_chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1287) 		ipu_idmac_unlink(chan->out_chan, chan->rotation_in_chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1288) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1289) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1290) 	ipu_ic_disable(chan->ic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1291) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1292) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1293) static void init_idmac_channel(struct ipu_image_convert_ctx *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1294) 			       struct ipuv3_channel *channel,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1295) 			       struct ipu_image_convert_image *image,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1296) 			       enum ipu_rotate_mode rot_mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1297) 			       bool rot_swap_width_height,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1298) 			       unsigned int tile)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1299) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1300) 	struct ipu_image_convert_chan *chan = ctx->chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1301) 	unsigned int burst_size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1302) 	u32 width, height, stride;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1303) 	dma_addr_t addr0, addr1 = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1304) 	struct ipu_image tile_image;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1305) 	unsigned int tile_idx[2];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1306) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1307) 	if (image->type == IMAGE_CONVERT_OUT) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1308) 		tile_idx[0] = ctx->out_tile_map[tile];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1309) 		tile_idx[1] = ctx->out_tile_map[1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1310) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1311) 		tile_idx[0] = tile;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1312) 		tile_idx[1] = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1313) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1314) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1315) 	if (rot_swap_width_height) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1316) 		width = image->tile[tile_idx[0]].height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1317) 		height = image->tile[tile_idx[0]].width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1318) 		stride = image->tile[tile_idx[0]].rot_stride;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1319) 		addr0 = ctx->rot_intermediate[0].phys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1320) 		if (ctx->double_buffering)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1321) 			addr1 = ctx->rot_intermediate[1].phys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1322) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1323) 		width = image->tile[tile_idx[0]].width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1324) 		height = image->tile[tile_idx[0]].height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1325) 		stride = image->stride;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1326) 		addr0 = image->base.phys0 +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1327) 			image->tile[tile_idx[0]].offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1328) 		if (ctx->double_buffering)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1329) 			addr1 = image->base.phys0 +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1330) 				image->tile[tile_idx[1]].offset;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1331) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1332) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1333) 	ipu_cpmem_zero(channel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1334) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1335) 	memset(&tile_image, 0, sizeof(tile_image));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1336) 	tile_image.pix.width = tile_image.rect.width = width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1337) 	tile_image.pix.height = tile_image.rect.height = height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1338) 	tile_image.pix.bytesperline = stride;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1339) 	tile_image.pix.pixelformat =  image->fmt->fourcc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1340) 	tile_image.phys0 = addr0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1341) 	tile_image.phys1 = addr1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1342) 	if (image->fmt->planar && !rot_swap_width_height) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1343) 		tile_image.u_offset = image->tile[tile_idx[0]].u_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1344) 		tile_image.v_offset = image->tile[tile_idx[0]].v_off;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1345) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1346) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1347) 	ipu_cpmem_set_image(channel, &tile_image);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1348) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1349) 	if (rot_mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1350) 		ipu_cpmem_set_rotation(channel, rot_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1351) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1352) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1353) 	 * Skip writing U and V components to odd rows in the output
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1354) 	 * channels for planar 4:2:0.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1355) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1356) 	if ((channel == chan->out_chan ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1357) 	     channel == chan->rotation_out_chan) &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1358) 	    image->fmt->planar && image->fmt->uv_height_dec == 2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1359) 		ipu_cpmem_skip_odd_chroma_rows(channel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1360) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1361) 	if (channel == chan->rotation_in_chan ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1362) 	    channel == chan->rotation_out_chan) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1363) 		burst_size = 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1364) 		ipu_cpmem_set_block_mode(channel);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1365) 	} else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1366) 		burst_size = (width % 16) ? 8 : 16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1367) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1368) 	ipu_cpmem_set_burstsize(channel, burst_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1369) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1370) 	ipu_ic_task_idma_init(chan->ic, channel, width, height,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1371) 			      burst_size, rot_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1372) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1373) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1374) 	 * Setting a non-zero AXI ID collides with the PRG AXI snooping, so
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1375) 	 * only do this when there is no PRG present.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1376) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1377) 	if (!channel->ipu->prg_priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1378) 		ipu_cpmem_set_axi_id(channel, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1379) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1380) 	ipu_idmac_set_double_buffer(channel, ctx->double_buffering);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1381) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1382) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1383) static int convert_start(struct ipu_image_convert_run *run, unsigned int tile)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1384) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1385) 	struct ipu_image_convert_ctx *ctx = run->ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1386) 	struct ipu_image_convert_chan *chan = ctx->chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1387) 	struct ipu_image_convert_priv *priv = chan->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1388) 	struct ipu_image_convert_image *s_image = &ctx->in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1389) 	struct ipu_image_convert_image *d_image = &ctx->out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1390) 	unsigned int dst_tile = ctx->out_tile_map[tile];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1391) 	unsigned int dest_width, dest_height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1392) 	unsigned int col, row;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1393) 	u32 rsc;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1394) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1395) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1396) 	dev_dbg(priv->ipu->dev, "%s: task %u: starting ctx %p run %p tile %u -> %u\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1397) 		__func__, chan->ic_task, ctx, run, tile, dst_tile);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1398) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1399) 	/* clear EOF irq mask */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1400) 	ctx->eof_mask = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1401) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1402) 	if (ipu_rot_mode_is_irt(ctx->rot_mode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1403) 		/* swap width/height for resizer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1404) 		dest_width = d_image->tile[dst_tile].height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1405) 		dest_height = d_image->tile[dst_tile].width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1406) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1407) 		dest_width = d_image->tile[dst_tile].width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1408) 		dest_height = d_image->tile[dst_tile].height;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1409) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1410) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1411) 	row = tile / s_image->num_cols;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1412) 	col = tile % s_image->num_cols;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1413) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1414) 	rsc =  (ctx->downsize_coeff_v << 30) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1415) 	       (ctx->resize_coeffs_v[row] << 16) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1416) 	       (ctx->downsize_coeff_h << 14) |
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1417) 	       (ctx->resize_coeffs_h[col]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1418) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1419) 	dev_dbg(priv->ipu->dev, "%s: %ux%u -> %ux%u (rsc = 0x%x)\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1420) 		__func__, s_image->tile[tile].width,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1421) 		s_image->tile[tile].height, dest_width, dest_height, rsc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1422) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1423) 	/* setup the IC resizer and CSC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1424) 	ret = ipu_ic_task_init_rsc(chan->ic, &ctx->csc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1425) 				   s_image->tile[tile].width,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1426) 				   s_image->tile[tile].height,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1427) 				   dest_width,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1428) 				   dest_height,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1429) 				   rsc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1430) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1431) 		dev_err(priv->ipu->dev, "ipu_ic_task_init failed, %d\n", ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1432) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1433) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1434) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1435) 	/* init the source MEM-->IC PP IDMAC channel */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1436) 	init_idmac_channel(ctx, chan->in_chan, s_image,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1437) 			   IPU_ROTATE_NONE, false, tile);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1438) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1439) 	if (ipu_rot_mode_is_irt(ctx->rot_mode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1440) 		/* init the IC PP-->MEM IDMAC channel */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1441) 		init_idmac_channel(ctx, chan->out_chan, d_image,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1442) 				   IPU_ROTATE_NONE, true, tile);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1443) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1444) 		/* init the MEM-->IC PP ROT IDMAC channel */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1445) 		init_idmac_channel(ctx, chan->rotation_in_chan, d_image,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1446) 				   ctx->rot_mode, true, tile);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1447) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1448) 		/* init the destination IC PP ROT-->MEM IDMAC channel */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1449) 		init_idmac_channel(ctx, chan->rotation_out_chan, d_image,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1450) 				   IPU_ROTATE_NONE, false, tile);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1451) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1452) 		/* now link IC PP-->MEM to MEM-->IC PP ROT */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1453) 		ipu_idmac_link(chan->out_chan, chan->rotation_in_chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1454) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1455) 		/* init the destination IC PP-->MEM IDMAC channel */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1456) 		init_idmac_channel(ctx, chan->out_chan, d_image,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1457) 				   ctx->rot_mode, false, tile);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1458) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1459) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1460) 	/* enable the IC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1461) 	ipu_ic_enable(chan->ic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1462) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1463) 	/* set buffers ready */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1464) 	ipu_idmac_select_buffer(chan->in_chan, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1465) 	ipu_idmac_select_buffer(chan->out_chan, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1466) 	if (ipu_rot_mode_is_irt(ctx->rot_mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1467) 		ipu_idmac_select_buffer(chan->rotation_out_chan, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1468) 	if (ctx->double_buffering) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1469) 		ipu_idmac_select_buffer(chan->in_chan, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1470) 		ipu_idmac_select_buffer(chan->out_chan, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1471) 		if (ipu_rot_mode_is_irt(ctx->rot_mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1472) 			ipu_idmac_select_buffer(chan->rotation_out_chan, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1473) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1474) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1475) 	/* enable the channels! */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1476) 	ipu_idmac_enable_channel(chan->in_chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1477) 	ipu_idmac_enable_channel(chan->out_chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1478) 	if (ipu_rot_mode_is_irt(ctx->rot_mode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1479) 		ipu_idmac_enable_channel(chan->rotation_in_chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1480) 		ipu_idmac_enable_channel(chan->rotation_out_chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1481) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1482) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1483) 	ipu_ic_task_enable(chan->ic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1484) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1485) 	ipu_cpmem_dump(chan->in_chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1486) 	ipu_cpmem_dump(chan->out_chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1487) 	if (ipu_rot_mode_is_irt(ctx->rot_mode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1488) 		ipu_cpmem_dump(chan->rotation_in_chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1489) 		ipu_cpmem_dump(chan->rotation_out_chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1490) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1491) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1492) 	ipu_dump(priv->ipu);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1493) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1494) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1495) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1496) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1497) /* hold irqlock when calling */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1498) static int do_run(struct ipu_image_convert_run *run)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1499) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1500) 	struct ipu_image_convert_ctx *ctx = run->ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1501) 	struct ipu_image_convert_chan *chan = ctx->chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1502) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1503) 	lockdep_assert_held(&chan->irqlock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1504) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1505) 	ctx->in.base.phys0 = run->in_phys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1506) 	ctx->out.base.phys0 = run->out_phys;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1507) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1508) 	ctx->cur_buf_num = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1509) 	ctx->next_tile = 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1510) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1511) 	/* remove run from pending_q and set as current */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1512) 	list_del(&run->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1513) 	chan->current_run = run;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1514) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1515) 	return convert_start(run, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1516) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1517) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1518) /* hold irqlock when calling */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1519) static void run_next(struct ipu_image_convert_chan *chan)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1520) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1521) 	struct ipu_image_convert_priv *priv = chan->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1522) 	struct ipu_image_convert_run *run, *tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1523) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1524) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1525) 	lockdep_assert_held(&chan->irqlock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1526) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1527) 	list_for_each_entry_safe(run, tmp, &chan->pending_q, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1528) 		/* skip contexts that are aborting */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1529) 		if (run->ctx->aborting) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1530) 			dev_dbg(priv->ipu->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1531) 				"%s: task %u: skipping aborting ctx %p run %p\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1532) 				__func__, chan->ic_task, run->ctx, run);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1533) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1534) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1535) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1536) 		ret = do_run(run);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1537) 		if (!ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1538) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1539) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1540) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1541) 		 * something went wrong with start, add the run
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1542) 		 * to done q and continue to the next run in the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1543) 		 * pending q.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1544) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1545) 		run->status = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1546) 		list_add_tail(&run->list, &chan->done_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1547) 		chan->current_run = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1548) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1549) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1550) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1551) static void empty_done_q(struct ipu_image_convert_chan *chan)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1552) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1553) 	struct ipu_image_convert_priv *priv = chan->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1554) 	struct ipu_image_convert_run *run;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1555) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1556) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1557) 	spin_lock_irqsave(&chan->irqlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1558) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1559) 	while (!list_empty(&chan->done_q)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1560) 		run = list_entry(chan->done_q.next,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1561) 				 struct ipu_image_convert_run,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1562) 				 list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1563) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1564) 		list_del(&run->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1565) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1566) 		dev_dbg(priv->ipu->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1567) 			"%s: task %u: completing ctx %p run %p with %d\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1568) 			__func__, chan->ic_task, run->ctx, run, run->status);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1569) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1570) 		/* call the completion callback and free the run */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1571) 		spin_unlock_irqrestore(&chan->irqlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1572) 		run->ctx->complete(run, run->ctx->complete_context);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1573) 		spin_lock_irqsave(&chan->irqlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1574) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1575) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1576) 	spin_unlock_irqrestore(&chan->irqlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1577) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1578) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1579) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1580)  * the bottom half thread clears out the done_q, calling the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1581)  * completion handler for each.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1582)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1583) static irqreturn_t do_bh(int irq, void *dev_id)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1584) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1585) 	struct ipu_image_convert_chan *chan = dev_id;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1586) 	struct ipu_image_convert_priv *priv = chan->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1587) 	struct ipu_image_convert_ctx *ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1588) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1589) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1590) 	dev_dbg(priv->ipu->dev, "%s: task %u: enter\n", __func__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1591) 		chan->ic_task);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1592) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1593) 	empty_done_q(chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1594) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1595) 	spin_lock_irqsave(&chan->irqlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1596) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1597) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1598) 	 * the done_q is cleared out, signal any contexts
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1599) 	 * that are aborting that abort can complete.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1600) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1601) 	list_for_each_entry(ctx, &chan->ctx_list, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1602) 		if (ctx->aborting) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1603) 			dev_dbg(priv->ipu->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1604) 				"%s: task %u: signaling abort for ctx %p\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1605) 				__func__, chan->ic_task, ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1606) 			complete_all(&ctx->aborted);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1607) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1608) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1609) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1610) 	spin_unlock_irqrestore(&chan->irqlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1611) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1612) 	dev_dbg(priv->ipu->dev, "%s: task %u: exit\n", __func__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1613) 		chan->ic_task);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1614) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1615) 	return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1616) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1617) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1618) static bool ic_settings_changed(struct ipu_image_convert_ctx *ctx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1619) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1620) 	unsigned int cur_tile = ctx->next_tile - 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1621) 	unsigned int next_tile = ctx->next_tile;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1622) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1623) 	if (ctx->resize_coeffs_h[cur_tile % ctx->in.num_cols] !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1624) 	    ctx->resize_coeffs_h[next_tile % ctx->in.num_cols] ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1625) 	    ctx->resize_coeffs_v[cur_tile / ctx->in.num_cols] !=
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1626) 	    ctx->resize_coeffs_v[next_tile / ctx->in.num_cols] ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1627) 	    ctx->in.tile[cur_tile].width != ctx->in.tile[next_tile].width ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1628) 	    ctx->in.tile[cur_tile].height != ctx->in.tile[next_tile].height ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1629) 	    ctx->out.tile[cur_tile].width != ctx->out.tile[next_tile].width ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1630) 	    ctx->out.tile[cur_tile].height != ctx->out.tile[next_tile].height)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1631) 		return true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1632) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1633) 	return false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1634) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1635) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1636) /* hold irqlock when calling */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1637) static irqreturn_t do_tile_complete(struct ipu_image_convert_run *run)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1638) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1639) 	struct ipu_image_convert_ctx *ctx = run->ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1640) 	struct ipu_image_convert_chan *chan = ctx->chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1641) 	struct ipu_image_tile *src_tile, *dst_tile;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1642) 	struct ipu_image_convert_image *s_image = &ctx->in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1643) 	struct ipu_image_convert_image *d_image = &ctx->out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1644) 	struct ipuv3_channel *outch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1645) 	unsigned int dst_idx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1646) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1647) 	lockdep_assert_held(&chan->irqlock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1648) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1649) 	outch = ipu_rot_mode_is_irt(ctx->rot_mode) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1650) 		chan->rotation_out_chan : chan->out_chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1651) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1652) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1653) 	 * It is difficult to stop the channel DMA before the channels
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1654) 	 * enter the paused state. Without double-buffering the channels
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1655) 	 * are always in a paused state when the EOF irq occurs, so it
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1656) 	 * is safe to stop the channels now. For double-buffering we
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1657) 	 * just ignore the abort until the operation completes, when it
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1658) 	 * is safe to shut down.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1659) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1660) 	if (ctx->aborting && !ctx->double_buffering) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1661) 		convert_stop(run);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1662) 		run->status = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1663) 		goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1664) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1665) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1666) 	if (ctx->next_tile == ctx->num_tiles) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1667) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1668) 		 * the conversion is complete
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1669) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1670) 		convert_stop(run);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1671) 		run->status = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1672) 		goto done;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1673) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1674) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1675) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1676) 	 * not done, place the next tile buffers.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1677) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1678) 	if (!ctx->double_buffering) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1679) 		if (ic_settings_changed(ctx)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1680) 			convert_stop(run);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1681) 			convert_start(run, ctx->next_tile);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1682) 		} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1683) 			src_tile = &s_image->tile[ctx->next_tile];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1684) 			dst_idx = ctx->out_tile_map[ctx->next_tile];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1685) 			dst_tile = &d_image->tile[dst_idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1686) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1687) 			ipu_cpmem_set_buffer(chan->in_chan, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1688) 					     s_image->base.phys0 +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1689) 					     src_tile->offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1690) 			ipu_cpmem_set_buffer(outch, 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1691) 					     d_image->base.phys0 +
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1692) 					     dst_tile->offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1693) 			if (s_image->fmt->planar)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1694) 				ipu_cpmem_set_uv_offset(chan->in_chan,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1695) 							src_tile->u_off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1696) 							src_tile->v_off);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1697) 			if (d_image->fmt->planar)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1698) 				ipu_cpmem_set_uv_offset(outch,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1699) 							dst_tile->u_off,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1700) 							dst_tile->v_off);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1701) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1702) 			ipu_idmac_select_buffer(chan->in_chan, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1703) 			ipu_idmac_select_buffer(outch, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1704) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1705) 	} else if (ctx->next_tile < ctx->num_tiles - 1) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1706) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1707) 		src_tile = &s_image->tile[ctx->next_tile + 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1708) 		dst_idx = ctx->out_tile_map[ctx->next_tile + 1];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1709) 		dst_tile = &d_image->tile[dst_idx];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1710) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1711) 		ipu_cpmem_set_buffer(chan->in_chan, ctx->cur_buf_num,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1712) 				     s_image->base.phys0 + src_tile->offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1713) 		ipu_cpmem_set_buffer(outch, ctx->cur_buf_num,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1714) 				     d_image->base.phys0 + dst_tile->offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1715) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1716) 		ipu_idmac_select_buffer(chan->in_chan, ctx->cur_buf_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1717) 		ipu_idmac_select_buffer(outch, ctx->cur_buf_num);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1718) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1719) 		ctx->cur_buf_num ^= 1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1720) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1721) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1722) 	ctx->eof_mask = 0; /* clear EOF irq mask for next tile */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1723) 	ctx->next_tile++;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1724) 	return IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1725) done:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1726) 	list_add_tail(&run->list, &chan->done_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1727) 	chan->current_run = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1728) 	run_next(chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1729) 	return IRQ_WAKE_THREAD;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1730) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1731) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1732) static irqreturn_t eof_irq(int irq, void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1733) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1734) 	struct ipu_image_convert_chan *chan = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1735) 	struct ipu_image_convert_priv *priv = chan->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1736) 	struct ipu_image_convert_ctx *ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1737) 	struct ipu_image_convert_run *run;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1738) 	irqreturn_t ret = IRQ_HANDLED;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1739) 	bool tile_complete = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1740) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1741) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1742) 	spin_lock_irqsave(&chan->irqlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1743) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1744) 	/* get current run and its context */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1745) 	run = chan->current_run;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1746) 	if (!run) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1747) 		ret = IRQ_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1748) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1749) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1750) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1751) 	ctx = run->ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1752) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1753) 	if (irq == chan->in_eof_irq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1754) 		ctx->eof_mask |= EOF_IRQ_IN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1755) 	} else if (irq == chan->out_eof_irq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1756) 		ctx->eof_mask |= EOF_IRQ_OUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1757) 	} else if (irq == chan->rot_in_eof_irq ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1758) 		   irq == chan->rot_out_eof_irq) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1759) 		if (!ipu_rot_mode_is_irt(ctx->rot_mode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1760) 			/* this was NOT a rotation op, shouldn't happen */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1761) 			dev_err(priv->ipu->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1762) 				"Unexpected rotation interrupt\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1763) 			goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1764) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1765) 		ctx->eof_mask |= (irq == chan->rot_in_eof_irq) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1766) 			EOF_IRQ_ROT_IN : EOF_IRQ_ROT_OUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1767) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1768) 		dev_err(priv->ipu->dev, "Received unknown irq %d\n", irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1769) 		ret = IRQ_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1770) 		goto out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1771) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1772) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1773) 	if (ipu_rot_mode_is_irt(ctx->rot_mode))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1774) 		tile_complete =	(ctx->eof_mask == EOF_IRQ_ROT_COMPLETE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1775) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1776) 		tile_complete = (ctx->eof_mask == EOF_IRQ_COMPLETE);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1777) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1778) 	if (tile_complete)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1779) 		ret = do_tile_complete(run);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1780) out:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1781) 	spin_unlock_irqrestore(&chan->irqlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1782) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1783) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1784) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1785) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1786)  * try to force the completion of runs for this ctx. Called when
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1787)  * abort wait times out in ipu_image_convert_abort().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1788)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1789) static void force_abort(struct ipu_image_convert_ctx *ctx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1790) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1791) 	struct ipu_image_convert_chan *chan = ctx->chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1792) 	struct ipu_image_convert_run *run;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1793) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1794) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1795) 	spin_lock_irqsave(&chan->irqlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1796) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1797) 	run = chan->current_run;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1798) 	if (run && run->ctx == ctx) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1799) 		convert_stop(run);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1800) 		run->status = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1801) 		list_add_tail(&run->list, &chan->done_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1802) 		chan->current_run = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1803) 		run_next(chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1804) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1805) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1806) 	spin_unlock_irqrestore(&chan->irqlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1807) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1808) 	empty_done_q(chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1809) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1810) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1811) static void release_ipu_resources(struct ipu_image_convert_chan *chan)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1812) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1813) 	if (chan->in_eof_irq >= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1814) 		free_irq(chan->in_eof_irq, chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1815) 	if (chan->rot_in_eof_irq >= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1816) 		free_irq(chan->rot_in_eof_irq, chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1817) 	if (chan->out_eof_irq >= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1818) 		free_irq(chan->out_eof_irq, chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1819) 	if (chan->rot_out_eof_irq >= 0)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1820) 		free_irq(chan->rot_out_eof_irq, chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1821) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1822) 	if (!IS_ERR_OR_NULL(chan->in_chan))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1823) 		ipu_idmac_put(chan->in_chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1824) 	if (!IS_ERR_OR_NULL(chan->out_chan))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1825) 		ipu_idmac_put(chan->out_chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1826) 	if (!IS_ERR_OR_NULL(chan->rotation_in_chan))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1827) 		ipu_idmac_put(chan->rotation_in_chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1828) 	if (!IS_ERR_OR_NULL(chan->rotation_out_chan))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1829) 		ipu_idmac_put(chan->rotation_out_chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1830) 	if (!IS_ERR_OR_NULL(chan->ic))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1831) 		ipu_ic_put(chan->ic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1832) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1833) 	chan->in_chan = chan->out_chan = chan->rotation_in_chan =
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1834) 		chan->rotation_out_chan = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1835) 	chan->in_eof_irq = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1836) 	chan->rot_in_eof_irq = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1837) 	chan->out_eof_irq = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1838) 	chan->rot_out_eof_irq = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1839) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1840) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1841) static int get_eof_irq(struct ipu_image_convert_chan *chan,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1842) 		       struct ipuv3_channel *channel)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1843) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1844) 	struct ipu_image_convert_priv *priv = chan->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1845) 	int ret, irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1846) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1847) 	irq = ipu_idmac_channel_irq(priv->ipu, channel, IPU_IRQ_EOF);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1848) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1849) 	ret = request_threaded_irq(irq, eof_irq, do_bh, 0, "ipu-ic", chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1850) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1851) 		dev_err(priv->ipu->dev, "could not acquire irq %d\n", irq);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1852) 		return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1853) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1854) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1855) 	return irq;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1856) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1857) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1858) static int get_ipu_resources(struct ipu_image_convert_chan *chan)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1859) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1860) 	const struct ipu_image_convert_dma_chan *dma = chan->dma_ch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1861) 	struct ipu_image_convert_priv *priv = chan->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1862) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1863) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1864) 	/* get IC */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1865) 	chan->ic = ipu_ic_get(priv->ipu, chan->ic_task);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1866) 	if (IS_ERR(chan->ic)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1867) 		dev_err(priv->ipu->dev, "could not acquire IC\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1868) 		ret = PTR_ERR(chan->ic);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1869) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1870) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1871) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1872) 	/* get IDMAC channels */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1873) 	chan->in_chan = ipu_idmac_get(priv->ipu, dma->in);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1874) 	chan->out_chan = ipu_idmac_get(priv->ipu, dma->out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1875) 	if (IS_ERR(chan->in_chan) || IS_ERR(chan->out_chan)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1876) 		dev_err(priv->ipu->dev, "could not acquire idmac channels\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1877) 		ret = -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1878) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1879) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1880) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1881) 	chan->rotation_in_chan = ipu_idmac_get(priv->ipu, dma->rot_in);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1882) 	chan->rotation_out_chan = ipu_idmac_get(priv->ipu, dma->rot_out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1883) 	if (IS_ERR(chan->rotation_in_chan) || IS_ERR(chan->rotation_out_chan)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1884) 		dev_err(priv->ipu->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1885) 			"could not acquire idmac rotation channels\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1886) 		ret = -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1887) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1888) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1889) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1890) 	/* acquire the EOF interrupts */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1891) 	ret = get_eof_irq(chan, chan->in_chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1892) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1893) 		chan->in_eof_irq = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1894) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1895) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1896) 	chan->in_eof_irq = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1897) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1898) 	ret = get_eof_irq(chan, chan->rotation_in_chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1899) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1900) 		chan->rot_in_eof_irq = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1901) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1902) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1903) 	chan->rot_in_eof_irq = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1904) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1905) 	ret = get_eof_irq(chan, chan->out_chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1906) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1907) 		chan->out_eof_irq = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1908) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1909) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1910) 	chan->out_eof_irq = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1911) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1912) 	ret = get_eof_irq(chan, chan->rotation_out_chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1913) 	if (ret < 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1914) 		chan->rot_out_eof_irq = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1915) 		goto err;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1916) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1917) 	chan->rot_out_eof_irq = ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1918) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1919) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1920) err:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1921) 	release_ipu_resources(chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1922) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1923) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1924) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1925) static int fill_image(struct ipu_image_convert_ctx *ctx,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1926) 		      struct ipu_image_convert_image *ic_image,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1927) 		      struct ipu_image *image,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1928) 		      enum ipu_image_convert_type type)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1929) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1930) 	struct ipu_image_convert_priv *priv = ctx->chan->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1931) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1932) 	ic_image->base = *image;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1933) 	ic_image->type = type;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1934) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1935) 	ic_image->fmt = get_format(image->pix.pixelformat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1936) 	if (!ic_image->fmt) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1937) 		dev_err(priv->ipu->dev, "pixelformat not supported for %s\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1938) 			type == IMAGE_CONVERT_OUT ? "Output" : "Input");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1939) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1940) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1941) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1942) 	if (ic_image->fmt->planar)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1943) 		ic_image->stride = ic_image->base.pix.width;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1944) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1945) 		ic_image->stride  = ic_image->base.pix.bytesperline;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1946) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1947) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1948) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1949) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1950) /* borrowed from drivers/media/v4l2-core/v4l2-common.c */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1951) static unsigned int clamp_align(unsigned int x, unsigned int min,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1952) 				unsigned int max, unsigned int align)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1953) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1954) 	/* Bits that must be zero to be aligned */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1955) 	unsigned int mask = ~((1 << align) - 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1956) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1957) 	/* Clamp to aligned min and max */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1958) 	x = clamp(x, (min + ~mask) & mask, max & mask);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1959) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1960) 	/* Round to nearest aligned value */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1961) 	if (align)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1962) 		x = (x + (1 << (align - 1))) & mask;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1963) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1964) 	return x;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1965) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1966) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1967) /* Adjusts input/output images to IPU restrictions */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1968) void ipu_image_convert_adjust(struct ipu_image *in, struct ipu_image *out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1969) 			      enum ipu_rotate_mode rot_mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1970) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1971) 	const struct ipu_image_pixfmt *infmt, *outfmt;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1972) 	u32 w_align_out, h_align_out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1973) 	u32 w_align_in, h_align_in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1974) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1975) 	infmt = get_format(in->pix.pixelformat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1976) 	outfmt = get_format(out->pix.pixelformat);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1977) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1978) 	/* set some default pixel formats if needed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1979) 	if (!infmt) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1980) 		in->pix.pixelformat = V4L2_PIX_FMT_RGB24;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1981) 		infmt = get_format(V4L2_PIX_FMT_RGB24);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1982) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1983) 	if (!outfmt) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1984) 		out->pix.pixelformat = V4L2_PIX_FMT_RGB24;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1985) 		outfmt = get_format(V4L2_PIX_FMT_RGB24);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1986) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1987) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1988) 	/* image converter does not handle fields */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1989) 	in->pix.field = out->pix.field = V4L2_FIELD_NONE;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1990) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1991) 	/* resizer cannot downsize more than 4:1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1992) 	if (ipu_rot_mode_is_irt(rot_mode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1993) 		out->pix.height = max_t(__u32, out->pix.height,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1994) 					in->pix.width / 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1995) 		out->pix.width = max_t(__u32, out->pix.width,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1996) 				       in->pix.height / 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1997) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1998) 		out->pix.width = max_t(__u32, out->pix.width,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1999) 				       in->pix.width / 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2000) 		out->pix.height = max_t(__u32, out->pix.height,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2001) 					in->pix.height / 4);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2002) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2003) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2004) 	/* align input width/height */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2005) 	w_align_in = ilog2(tile_width_align(IMAGE_CONVERT_IN, infmt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2006) 					    rot_mode));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2007) 	h_align_in = ilog2(tile_height_align(IMAGE_CONVERT_IN, infmt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2008) 					     rot_mode));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2009) 	in->pix.width = clamp_align(in->pix.width, MIN_W, MAX_W,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2010) 				    w_align_in);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2011) 	in->pix.height = clamp_align(in->pix.height, MIN_H, MAX_H,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2012) 				     h_align_in);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2013) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2014) 	/* align output width/height */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2015) 	w_align_out = ilog2(tile_width_align(IMAGE_CONVERT_OUT, outfmt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2016) 					     rot_mode));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2017) 	h_align_out = ilog2(tile_height_align(IMAGE_CONVERT_OUT, outfmt,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2018) 					      rot_mode));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2019) 	out->pix.width = clamp_align(out->pix.width, MIN_W, MAX_W,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2020) 				     w_align_out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2021) 	out->pix.height = clamp_align(out->pix.height, MIN_H, MAX_H,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2022) 				      h_align_out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2023) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2024) 	/* set input/output strides and image sizes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2025) 	in->pix.bytesperline = infmt->planar ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2026) 		clamp_align(in->pix.width, 2 << w_align_in, MAX_W,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2027) 			    w_align_in) :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2028) 		clamp_align((in->pix.width * infmt->bpp) >> 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2029) 			    ((2 << w_align_in) * infmt->bpp) >> 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2030) 			    (MAX_W * infmt->bpp) >> 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2031) 			    w_align_in);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2032) 	in->pix.sizeimage = infmt->planar ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2033) 		(in->pix.height * in->pix.bytesperline * infmt->bpp) >> 3 :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2034) 		in->pix.height * in->pix.bytesperline;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2035) 	out->pix.bytesperline = outfmt->planar ? out->pix.width :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2036) 		(out->pix.width * outfmt->bpp) >> 3;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2037) 	out->pix.sizeimage = outfmt->planar ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2038) 		(out->pix.height * out->pix.bytesperline * outfmt->bpp) >> 3 :
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2039) 		out->pix.height * out->pix.bytesperline;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2040) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2041) EXPORT_SYMBOL_GPL(ipu_image_convert_adjust);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2042) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2043) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2044)  * this is used by ipu_image_convert_prepare() to verify set input and
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2045)  * output images are valid before starting the conversion. Clients can
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2046)  * also call it before calling ipu_image_convert_prepare().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2047)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2048) int ipu_image_convert_verify(struct ipu_image *in, struct ipu_image *out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2049) 			     enum ipu_rotate_mode rot_mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2050) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2051) 	struct ipu_image testin, testout;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2052) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2053) 	testin = *in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2054) 	testout = *out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2055) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2056) 	ipu_image_convert_adjust(&testin, &testout, rot_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2057) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2058) 	if (testin.pix.width != in->pix.width ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2059) 	    testin.pix.height != in->pix.height ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2060) 	    testout.pix.width != out->pix.width ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2061) 	    testout.pix.height != out->pix.height)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2062) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2063) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2064) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2065) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2066) EXPORT_SYMBOL_GPL(ipu_image_convert_verify);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2067) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2068) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2069)  * Call ipu_image_convert_prepare() to prepare for the conversion of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2070)  * given images and rotation mode. Returns a new conversion context.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2071)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2072) struct ipu_image_convert_ctx *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2073) ipu_image_convert_prepare(struct ipu_soc *ipu, enum ipu_ic_task ic_task,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2074) 			  struct ipu_image *in, struct ipu_image *out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2075) 			  enum ipu_rotate_mode rot_mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2076) 			  ipu_image_convert_cb_t complete,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2077) 			  void *complete_context)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2078) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2079) 	struct ipu_image_convert_priv *priv = ipu->image_convert_priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2080) 	struct ipu_image_convert_image *s_image, *d_image;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2081) 	struct ipu_image_convert_chan *chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2082) 	struct ipu_image_convert_ctx *ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2083) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2084) 	unsigned int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2085) 	bool get_res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2086) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2087) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2088) 	if (!in || !out || !complete ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2089) 	    (ic_task != IC_TASK_VIEWFINDER &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2090) 	     ic_task != IC_TASK_POST_PROCESSOR))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2091) 		return ERR_PTR(-EINVAL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2092) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2093) 	/* verify the in/out images before continuing */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2094) 	ret = ipu_image_convert_verify(in, out, rot_mode);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2095) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2096) 		dev_err(priv->ipu->dev, "%s: in/out formats invalid\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2097) 			__func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2098) 		return ERR_PTR(ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2099) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2100) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2101) 	chan = &priv->chan[ic_task];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2102) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2103) 	ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2104) 	if (!ctx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2105) 		return ERR_PTR(-ENOMEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2106) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2107) 	dev_dbg(priv->ipu->dev, "%s: task %u: ctx %p\n", __func__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2108) 		chan->ic_task, ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2110) 	ctx->chan = chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2111) 	init_completion(&ctx->aborted);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2112) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2113) 	ctx->rot_mode = rot_mode;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2114) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2115) 	/* Sets ctx->in.num_rows/cols as well */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2116) 	ret = calc_image_resize_coefficients(ctx, in, out);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2117) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2118) 		goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2119) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2120) 	s_image = &ctx->in;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2121) 	d_image = &ctx->out;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2122) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2123) 	/* set tiling and rotation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2124) 	if (ipu_rot_mode_is_irt(rot_mode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2125) 		d_image->num_rows = s_image->num_cols;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2126) 		d_image->num_cols = s_image->num_rows;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2127) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2128) 		d_image->num_rows = s_image->num_rows;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2129) 		d_image->num_cols = s_image->num_cols;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2130) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2131) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2132) 	ctx->num_tiles = d_image->num_cols * d_image->num_rows;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2134) 	ret = fill_image(ctx, s_image, in, IMAGE_CONVERT_IN);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2135) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2136) 		goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2137) 	ret = fill_image(ctx, d_image, out, IMAGE_CONVERT_OUT);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2138) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2139) 		goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2140) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2141) 	calc_out_tile_map(ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2142) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2143) 	find_seams(ctx, s_image, d_image);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2144) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2145) 	ret = calc_tile_dimensions(ctx, s_image);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2146) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2147) 		goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2148) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2149) 	ret = calc_tile_offsets(ctx, s_image);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2150) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2151) 		goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2152) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2153) 	calc_tile_dimensions(ctx, d_image);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2154) 	ret = calc_tile_offsets(ctx, d_image);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2155) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2156) 		goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2157) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2158) 	calc_tile_resize_coefficients(ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2160) 	ret = ipu_ic_calc_csc(&ctx->csc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2161) 			s_image->base.pix.ycbcr_enc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2162) 			s_image->base.pix.quantization,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2163) 			ipu_pixelformat_to_colorspace(s_image->fmt->fourcc),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2164) 			d_image->base.pix.ycbcr_enc,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2165) 			d_image->base.pix.quantization,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2166) 			ipu_pixelformat_to_colorspace(d_image->fmt->fourcc));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2167) 	if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2168) 		goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2169) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2170) 	dump_format(ctx, s_image);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2171) 	dump_format(ctx, d_image);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2172) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2173) 	ctx->complete = complete;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2174) 	ctx->complete_context = complete_context;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2175) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2176) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2177) 	 * Can we use double-buffering for this operation? If there is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2178) 	 * only one tile (the whole image can be converted in a single
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2179) 	 * operation) there's no point in using double-buffering. Also,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2180) 	 * the IPU's IDMAC channels allow only a single U and V plane
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2181) 	 * offset shared between both buffers, but these offsets change
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2182) 	 * for every tile, and therefore would have to be updated for
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2183) 	 * each buffer which is not possible. So double-buffering is
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2184) 	 * impossible when either the source or destination images are
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2185) 	 * a planar format (YUV420, YUV422P, etc.). Further, differently
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2186) 	 * sized tiles or different resizing coefficients per tile
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2187) 	 * prevent double-buffering as well.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2188) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2189) 	ctx->double_buffering = (ctx->num_tiles > 1 &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2190) 				 !s_image->fmt->planar &&
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2191) 				 !d_image->fmt->planar);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2192) 	for (i = 1; i < ctx->num_tiles; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2193) 		if (ctx->in.tile[i].width != ctx->in.tile[0].width ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2194) 		    ctx->in.tile[i].height != ctx->in.tile[0].height ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2195) 		    ctx->out.tile[i].width != ctx->out.tile[0].width ||
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2196) 		    ctx->out.tile[i].height != ctx->out.tile[0].height) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2197) 			ctx->double_buffering = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2198) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2199) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2200) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2201) 	for (i = 1; i < ctx->in.num_cols; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2202) 		if (ctx->resize_coeffs_h[i] != ctx->resize_coeffs_h[0]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2203) 			ctx->double_buffering = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2204) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2205) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2206) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2207) 	for (i = 1; i < ctx->in.num_rows; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2208) 		if (ctx->resize_coeffs_v[i] != ctx->resize_coeffs_v[0]) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2209) 			ctx->double_buffering = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2210) 			break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2211) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2212) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2213) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2214) 	if (ipu_rot_mode_is_irt(ctx->rot_mode)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2215) 		unsigned long intermediate_size = d_image->tile[0].size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2216) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2217) 		for (i = 1; i < ctx->num_tiles; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2218) 			if (d_image->tile[i].size > intermediate_size)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2219) 				intermediate_size = d_image->tile[i].size;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2220) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2221) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2222) 		ret = alloc_dma_buf(priv, &ctx->rot_intermediate[0],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2223) 				    intermediate_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2224) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2225) 			goto out_free;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2226) 		if (ctx->double_buffering) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2227) 			ret = alloc_dma_buf(priv,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2228) 					    &ctx->rot_intermediate[1],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2229) 					    intermediate_size);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2230) 			if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2231) 				goto out_free_dmabuf0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2232) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2233) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2234) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2235) 	spin_lock_irqsave(&chan->irqlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2236) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2237) 	get_res = list_empty(&chan->ctx_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2238) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2239) 	list_add_tail(&ctx->list, &chan->ctx_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2240) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2241) 	spin_unlock_irqrestore(&chan->irqlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2242) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2243) 	if (get_res) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2244) 		ret = get_ipu_resources(chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2245) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2246) 			goto out_free_dmabuf1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2247) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2248) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2249) 	return ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2250) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2251) out_free_dmabuf1:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2252) 	free_dma_buf(priv, &ctx->rot_intermediate[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2253) 	spin_lock_irqsave(&chan->irqlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2254) 	list_del(&ctx->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2255) 	spin_unlock_irqrestore(&chan->irqlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2256) out_free_dmabuf0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2257) 	free_dma_buf(priv, &ctx->rot_intermediate[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2258) out_free:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2259) 	kfree(ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2260) 	return ERR_PTR(ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2261) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2262) EXPORT_SYMBOL_GPL(ipu_image_convert_prepare);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2263) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2264) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2265)  * Carry out a single image conversion run. Only the physaddr's of the input
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2266)  * and output image buffers are needed. The conversion context must have
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2267)  * been created previously with ipu_image_convert_prepare().
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2268)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2269) int ipu_image_convert_queue(struct ipu_image_convert_run *run)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2270) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2271) 	struct ipu_image_convert_chan *chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2272) 	struct ipu_image_convert_priv *priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2273) 	struct ipu_image_convert_ctx *ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2274) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2275) 	int ret = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2276) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2277) 	if (!run || !run->ctx || !run->in_phys || !run->out_phys)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2278) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2279) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2280) 	ctx = run->ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2281) 	chan = ctx->chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2282) 	priv = chan->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2283) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2284) 	dev_dbg(priv->ipu->dev, "%s: task %u: ctx %p run %p\n", __func__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2285) 		chan->ic_task, ctx, run);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2286) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2287) 	INIT_LIST_HEAD(&run->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2288) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2289) 	spin_lock_irqsave(&chan->irqlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2290) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2291) 	if (ctx->aborting) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2292) 		ret = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2293) 		goto unlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2294) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2295) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2296) 	list_add_tail(&run->list, &chan->pending_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2297) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2298) 	if (!chan->current_run) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2299) 		ret = do_run(run);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2300) 		if (ret)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2301) 			chan->current_run = NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2302) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2303) unlock:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2304) 	spin_unlock_irqrestore(&chan->irqlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2305) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2306) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2307) EXPORT_SYMBOL_GPL(ipu_image_convert_queue);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2308) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2309) /* Abort any active or pending conversions for this context */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2310) static void __ipu_image_convert_abort(struct ipu_image_convert_ctx *ctx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2311) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2312) 	struct ipu_image_convert_chan *chan = ctx->chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2313) 	struct ipu_image_convert_priv *priv = chan->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2314) 	struct ipu_image_convert_run *run, *active_run, *tmp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2315) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2316) 	int run_count, ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2317) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2318) 	spin_lock_irqsave(&chan->irqlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2319) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2320) 	/* move all remaining pending runs in this context to done_q */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2321) 	list_for_each_entry_safe(run, tmp, &chan->pending_q, list) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2322) 		if (run->ctx != ctx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2323) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2324) 		run->status = -EIO;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2325) 		list_move_tail(&run->list, &chan->done_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2326) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2327) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2328) 	run_count = get_run_count(ctx, &chan->done_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2329) 	active_run = (chan->current_run && chan->current_run->ctx == ctx) ?
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2330) 		chan->current_run : NULL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2331) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2332) 	if (active_run)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2333) 		reinit_completion(&ctx->aborted);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2334) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2335) 	ctx->aborting = true;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2336) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2337) 	spin_unlock_irqrestore(&chan->irqlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2338) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2339) 	if (!run_count && !active_run) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2340) 		dev_dbg(priv->ipu->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2341) 			"%s: task %u: no abort needed for ctx %p\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2342) 			__func__, chan->ic_task, ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2343) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2344) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2345) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2346) 	if (!active_run) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2347) 		empty_done_q(chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2348) 		return;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2349) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2350) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2351) 	dev_dbg(priv->ipu->dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2352) 		"%s: task %u: wait for completion: %d runs\n",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2353) 		__func__, chan->ic_task, run_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2354) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2355) 	ret = wait_for_completion_timeout(&ctx->aborted,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2356) 					  msecs_to_jiffies(10000));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2357) 	if (ret == 0) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2358) 		dev_warn(priv->ipu->dev, "%s: timeout\n", __func__);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2359) 		force_abort(ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2360) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2361) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2362) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2363) void ipu_image_convert_abort(struct ipu_image_convert_ctx *ctx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2364) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2365) 	__ipu_image_convert_abort(ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2366) 	ctx->aborting = false;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2367) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2368) EXPORT_SYMBOL_GPL(ipu_image_convert_abort);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2369) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2370) /* Unprepare image conversion context */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2371) void ipu_image_convert_unprepare(struct ipu_image_convert_ctx *ctx)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2372) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2373) 	struct ipu_image_convert_chan *chan = ctx->chan;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2374) 	struct ipu_image_convert_priv *priv = chan->priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2375) 	unsigned long flags;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2376) 	bool put_res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2377) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2378) 	/* make sure no runs are hanging around */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2379) 	__ipu_image_convert_abort(ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2380) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2381) 	dev_dbg(priv->ipu->dev, "%s: task %u: removing ctx %p\n", __func__,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2382) 		chan->ic_task, ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2383) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2384) 	spin_lock_irqsave(&chan->irqlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2385) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2386) 	list_del(&ctx->list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2387) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2388) 	put_res = list_empty(&chan->ctx_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2389) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2390) 	spin_unlock_irqrestore(&chan->irqlock, flags);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2391) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2392) 	if (put_res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2393) 		release_ipu_resources(chan);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2394) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2395) 	free_dma_buf(priv, &ctx->rot_intermediate[1]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2396) 	free_dma_buf(priv, &ctx->rot_intermediate[0]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2397) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2398) 	kfree(ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2399) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2400) EXPORT_SYMBOL_GPL(ipu_image_convert_unprepare);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2401) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2402) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2403)  * "Canned" asynchronous single image conversion. Allocates and returns
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2404)  * a new conversion run.  On successful return the caller must free the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2405)  * run and call ipu_image_convert_unprepare() after conversion completes.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2406)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2407) struct ipu_image_convert_run *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2408) ipu_image_convert(struct ipu_soc *ipu, enum ipu_ic_task ic_task,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2409) 		  struct ipu_image *in, struct ipu_image *out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2410) 		  enum ipu_rotate_mode rot_mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2411) 		  ipu_image_convert_cb_t complete,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2412) 		  void *complete_context)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2413) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2414) 	struct ipu_image_convert_ctx *ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2415) 	struct ipu_image_convert_run *run;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2416) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2417) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2418) 	ctx = ipu_image_convert_prepare(ipu, ic_task, in, out, rot_mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2419) 					complete, complete_context);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2420) 	if (IS_ERR(ctx))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2421) 		return ERR_CAST(ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2422) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2423) 	run = kzalloc(sizeof(*run), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2424) 	if (!run) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2425) 		ipu_image_convert_unprepare(ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2426) 		return ERR_PTR(-ENOMEM);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2427) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2428) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2429) 	run->ctx = ctx;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2430) 	run->in_phys = in->phys0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2431) 	run->out_phys = out->phys0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2432) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2433) 	ret = ipu_image_convert_queue(run);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2434) 	if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2435) 		ipu_image_convert_unprepare(ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2436) 		kfree(run);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2437) 		return ERR_PTR(ret);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2438) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2439) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2440) 	return run;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2441) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2442) EXPORT_SYMBOL_GPL(ipu_image_convert);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2443) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2444) /* "Canned" synchronous single image conversion */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2445) static void image_convert_sync_complete(struct ipu_image_convert_run *run,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2446) 					void *data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2447) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2448) 	struct completion *comp = data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2449) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2450) 	complete(comp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2451) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2452) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2453) int ipu_image_convert_sync(struct ipu_soc *ipu, enum ipu_ic_task ic_task,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2454) 			   struct ipu_image *in, struct ipu_image *out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2455) 			   enum ipu_rotate_mode rot_mode)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2456) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2457) 	struct ipu_image_convert_run *run;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2458) 	struct completion comp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2459) 	int ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2460) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2461) 	init_completion(&comp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2462) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2463) 	run = ipu_image_convert(ipu, ic_task, in, out, rot_mode,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2464) 				image_convert_sync_complete, &comp);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2465) 	if (IS_ERR(run))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2466) 		return PTR_ERR(run);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2467) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2468) 	ret = wait_for_completion_timeout(&comp, msecs_to_jiffies(10000));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2469) 	ret = (ret == 0) ? -ETIMEDOUT : 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2470) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2471) 	ipu_image_convert_unprepare(run->ctx);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2472) 	kfree(run);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2473) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2474) 	return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2475) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2476) EXPORT_SYMBOL_GPL(ipu_image_convert_sync);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2477) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2478) int ipu_image_convert_init(struct ipu_soc *ipu, struct device *dev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2479) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2480) 	struct ipu_image_convert_priv *priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2481) 	int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2482) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2483) 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2484) 	if (!priv)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2485) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2486) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2487) 	ipu->image_convert_priv = priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2488) 	priv->ipu = ipu;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2489) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2490) 	for (i = 0; i < IC_NUM_TASKS; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2491) 		struct ipu_image_convert_chan *chan = &priv->chan[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2492) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2493) 		chan->ic_task = i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2494) 		chan->priv = priv;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2495) 		chan->dma_ch = &image_convert_dma_chan[i];
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2496) 		chan->in_eof_irq = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2497) 		chan->rot_in_eof_irq = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2498) 		chan->out_eof_irq = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2499) 		chan->rot_out_eof_irq = -1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2500) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2501) 		spin_lock_init(&chan->irqlock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2502) 		INIT_LIST_HEAD(&chan->ctx_list);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2503) 		INIT_LIST_HEAD(&chan->pending_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2504) 		INIT_LIST_HEAD(&chan->done_q);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2505) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2506) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2507) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2508) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2509) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2510) void ipu_image_convert_exit(struct ipu_soc *ipu)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2511) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2512) }