1c942fddfSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later 2cd98e85aSSteve Longerbeam /* 3cd98e85aSSteve Longerbeam * Copyright (C) 2012-2016 Mentor Graphics Inc. 4cd98e85aSSteve Longerbeam * 5cd98e85aSSteve Longerbeam * Queued image conversion support, with tiling and rotation. 6cd98e85aSSteve Longerbeam */ 7cd98e85aSSteve Longerbeam 8cd98e85aSSteve Longerbeam #include <linux/interrupt.h> 9cd98e85aSSteve Longerbeam #include <linux/dma-mapping.h> 10cd98e85aSSteve Longerbeam #include <video/imx-ipu-image-convert.h> 11cd98e85aSSteve Longerbeam #include "ipu-prv.h" 12cd98e85aSSteve Longerbeam 13cd98e85aSSteve Longerbeam /* 14cd98e85aSSteve Longerbeam * The IC Resizer has a restriction that the output frame from the 15cd98e85aSSteve Longerbeam * resizer must be 1024 or less in both width (pixels) and height 16cd98e85aSSteve Longerbeam * (lines). 17cd98e85aSSteve Longerbeam * 18cd98e85aSSteve Longerbeam * The image converter attempts to split up a conversion when 19cd98e85aSSteve Longerbeam * the desired output (converted) frame resolution exceeds the 20cd98e85aSSteve Longerbeam * IC resizer limit of 1024 in either dimension. 21cd98e85aSSteve Longerbeam * 22cd98e85aSSteve Longerbeam * If either dimension of the output frame exceeds the limit, the 23cd98e85aSSteve Longerbeam * dimension is split into 1, 2, or 4 equal stripes, for a maximum 24cd98e85aSSteve Longerbeam * of 4*4 or 16 tiles. A conversion is then carried out for each 25cd98e85aSSteve Longerbeam * tile (but taking care to pass the full frame stride length to 26cd98e85aSSteve Longerbeam * the DMA channel's parameter memory!). IDMA double-buffering is used 27cd98e85aSSteve Longerbeam * to convert each tile back-to-back when possible (see note below 28cd98e85aSSteve Longerbeam * when double_buffering boolean is set). 29cd98e85aSSteve Longerbeam * 30cd98e85aSSteve Longerbeam * Note that the input frame must be split up into the same number 31e46279f0SPhilipp Zabel * of tiles as the output frame: 32cd98e85aSSteve Longerbeam * 33e46279f0SPhilipp Zabel * +---------+-----+ 34e46279f0SPhilipp Zabel * +-----+---+ | A | B | 35e46279f0SPhilipp Zabel * | A | B | | | | 36e46279f0SPhilipp Zabel * +-----+---+ --> +---------+-----+ 37e46279f0SPhilipp Zabel * | C | D | | C | D | 38e46279f0SPhilipp Zabel * +-----+---+ | | | 39e46279f0SPhilipp Zabel * +---------+-----+ 40e46279f0SPhilipp Zabel * 41e46279f0SPhilipp Zabel * Clockwise 90° rotations are handled by first rescaling into a 42e46279f0SPhilipp Zabel * reusable temporary tile buffer and then rotating with the 8x8 43e46279f0SPhilipp Zabel * block rotator, writing to the correct destination: 44e46279f0SPhilipp Zabel * 45e46279f0SPhilipp Zabel * +-----+-----+ 46e46279f0SPhilipp Zabel * | | | 47e46279f0SPhilipp Zabel * +-----+---+ +---------+ | C | A | 48e46279f0SPhilipp Zabel * | A | B | | A,B, | | | | | 49e46279f0SPhilipp Zabel * +-----+---+ --> | C,D | | --> | | | 50e46279f0SPhilipp Zabel * | C | D | +---------+ +-----+-----+ 51e46279f0SPhilipp Zabel * +-----+---+ | D | B | 52e46279f0SPhilipp Zabel * | | | 53e46279f0SPhilipp Zabel * +-----+-----+ 54e46279f0SPhilipp Zabel * 55e46279f0SPhilipp Zabel * If the 8x8 block rotator is used, horizontal or vertical flipping 56e46279f0SPhilipp Zabel * is done during the rotation step, otherwise flipping is done 57e46279f0SPhilipp Zabel * during the scaling step. 58e46279f0SPhilipp Zabel * With rotation or flipping, tile order changes between input and 59e46279f0SPhilipp Zabel * output image. Tiles are numbered row major from top left to bottom 60e46279f0SPhilipp Zabel * right for both input and output image. 61cd98e85aSSteve Longerbeam */ 62cd98e85aSSteve Longerbeam 63cd98e85aSSteve Longerbeam #define MAX_STRIPES_W 4 64cd98e85aSSteve Longerbeam #define MAX_STRIPES_H 4 65cd98e85aSSteve Longerbeam #define MAX_TILES (MAX_STRIPES_W * MAX_STRIPES_H) 66cd98e85aSSteve Longerbeam 67cd98e85aSSteve Longerbeam #define MIN_W 16 68cd98e85aSSteve Longerbeam #define MIN_H 8 69cd98e85aSSteve Longerbeam #define MAX_W 4096 70cd98e85aSSteve Longerbeam #define MAX_H 4096 71cd98e85aSSteve Longerbeam 72cd98e85aSSteve Longerbeam enum ipu_image_convert_type { 73cd98e85aSSteve Longerbeam IMAGE_CONVERT_IN = 0, 74cd98e85aSSteve Longerbeam IMAGE_CONVERT_OUT, 75cd98e85aSSteve Longerbeam }; 76cd98e85aSSteve Longerbeam 77cd98e85aSSteve Longerbeam struct ipu_image_convert_dma_buf { 78cd98e85aSSteve Longerbeam void *virt; 79cd98e85aSSteve Longerbeam dma_addr_t phys; 80cd98e85aSSteve Longerbeam unsigned long len; 81cd98e85aSSteve Longerbeam }; 82cd98e85aSSteve Longerbeam 83cd98e85aSSteve Longerbeam struct ipu_image_convert_dma_chan { 84cd98e85aSSteve Longerbeam int in; 85cd98e85aSSteve Longerbeam int out; 86cd98e85aSSteve Longerbeam int rot_in; 87cd98e85aSSteve Longerbeam int rot_out; 88cd98e85aSSteve Longerbeam int vdi_in_p; 89cd98e85aSSteve Longerbeam int vdi_in; 90cd98e85aSSteve Longerbeam int vdi_in_n; 91cd98e85aSSteve Longerbeam }; 92cd98e85aSSteve Longerbeam 93cd98e85aSSteve Longerbeam /* dimensions of one tile */ 94cd98e85aSSteve Longerbeam struct ipu_image_tile { 95cd98e85aSSteve Longerbeam u32 width; 96cd98e85aSSteve Longerbeam u32 height; 97571dd82cSPhilipp Zabel u32 left; 98571dd82cSPhilipp Zabel u32 top; 99cd98e85aSSteve Longerbeam /* size and strides are in bytes */ 100cd98e85aSSteve Longerbeam u32 size; 101cd98e85aSSteve Longerbeam u32 stride; 102cd98e85aSSteve Longerbeam u32 rot_stride; 103cd98e85aSSteve Longerbeam /* start Y or packed offset of this tile */ 104cd98e85aSSteve Longerbeam u32 offset; 105cd98e85aSSteve Longerbeam /* offset from start to tile in U plane, for planar formats */ 106cd98e85aSSteve Longerbeam u32 u_off; 107cd98e85aSSteve Longerbeam /* offset from start to tile in V plane, for planar formats */ 108cd98e85aSSteve Longerbeam u32 v_off; 109cd98e85aSSteve Longerbeam }; 110cd98e85aSSteve Longerbeam 111cd98e85aSSteve Longerbeam struct ipu_image_convert_image { 112cd98e85aSSteve Longerbeam struct ipu_image base; 113cd98e85aSSteve Longerbeam enum ipu_image_convert_type type; 114cd98e85aSSteve Longerbeam 115cd98e85aSSteve Longerbeam const struct ipu_image_pixfmt *fmt; 116cd98e85aSSteve Longerbeam unsigned int stride; 117cd98e85aSSteve Longerbeam 118cd98e85aSSteve Longerbeam /* # of rows (horizontal stripes) if dest height is > 1024 */ 119cd98e85aSSteve Longerbeam unsigned int num_rows; 120cd98e85aSSteve Longerbeam /* # of columns (vertical stripes) if dest width is > 1024 */ 121cd98e85aSSteve Longerbeam unsigned int num_cols; 122cd98e85aSSteve Longerbeam 123cd98e85aSSteve Longerbeam struct ipu_image_tile tile[MAX_TILES]; 124cd98e85aSSteve Longerbeam }; 125cd98e85aSSteve Longerbeam 126cd98e85aSSteve Longerbeam struct ipu_image_pixfmt { 127cd98e85aSSteve Longerbeam u32 fourcc; /* V4L2 fourcc */ 128cd98e85aSSteve Longerbeam int bpp; /* total bpp */ 129cd98e85aSSteve Longerbeam int uv_width_dec; /* decimation in width for U/V planes */ 130cd98e85aSSteve Longerbeam int uv_height_dec; /* decimation in height for U/V planes */ 131cd98e85aSSteve Longerbeam bool planar; /* planar format */ 132cd98e85aSSteve Longerbeam bool uv_swapped; /* U and V planes are swapped */ 133cd98e85aSSteve Longerbeam bool uv_packed; /* partial planar (U and V in same plane) */ 134cd98e85aSSteve Longerbeam }; 135cd98e85aSSteve Longerbeam 136cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx; 137cd98e85aSSteve Longerbeam struct ipu_image_convert_chan; 138cd98e85aSSteve Longerbeam struct ipu_image_convert_priv; 139cd98e85aSSteve Longerbeam 140cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx { 141cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan; 142cd98e85aSSteve Longerbeam 143cd98e85aSSteve Longerbeam ipu_image_convert_cb_t complete; 144cd98e85aSSteve Longerbeam void *complete_context; 145cd98e85aSSteve Longerbeam 146cd98e85aSSteve Longerbeam /* Source/destination image data and rotation mode */ 147cd98e85aSSteve Longerbeam struct ipu_image_convert_image in; 148cd98e85aSSteve Longerbeam struct ipu_image_convert_image out; 149f208b26eSSteve Longerbeam struct ipu_ic_csc csc; 150cd98e85aSSteve Longerbeam enum ipu_rotate_mode rot_mode; 15170b9b6b3SPhilipp Zabel u32 downsize_coeff_h; 15270b9b6b3SPhilipp Zabel u32 downsize_coeff_v; 15370b9b6b3SPhilipp Zabel u32 image_resize_coeff_h; 15470b9b6b3SPhilipp Zabel u32 image_resize_coeff_v; 15570b9b6b3SPhilipp Zabel u32 resize_coeffs_h[MAX_STRIPES_W]; 15670b9b6b3SPhilipp Zabel u32 resize_coeffs_v[MAX_STRIPES_H]; 157cd98e85aSSteve Longerbeam 158cd98e85aSSteve Longerbeam /* intermediate buffer for rotation */ 159cd98e85aSSteve Longerbeam struct ipu_image_convert_dma_buf rot_intermediate[2]; 160cd98e85aSSteve Longerbeam 161cd98e85aSSteve Longerbeam /* current buffer number for double buffering */ 162cd98e85aSSteve Longerbeam int cur_buf_num; 163cd98e85aSSteve Longerbeam 164cd98e85aSSteve Longerbeam bool aborting; 165cd98e85aSSteve Longerbeam struct completion aborted; 166cd98e85aSSteve Longerbeam 167cd98e85aSSteve Longerbeam /* can we use double-buffering for this conversion operation? */ 168cd98e85aSSteve Longerbeam bool double_buffering; 169cd98e85aSSteve Longerbeam /* num_rows * num_cols */ 170cd98e85aSSteve Longerbeam unsigned int num_tiles; 171cd98e85aSSteve Longerbeam /* next tile to process */ 172cd98e85aSSteve Longerbeam unsigned int next_tile; 173cd98e85aSSteve Longerbeam /* where to place converted tile in dest image */ 174cd98e85aSSteve Longerbeam unsigned int out_tile_map[MAX_TILES]; 175cd98e85aSSteve Longerbeam 176cd98e85aSSteve Longerbeam struct list_head list; 177cd98e85aSSteve Longerbeam }; 178cd98e85aSSteve Longerbeam 179cd98e85aSSteve Longerbeam struct ipu_image_convert_chan { 180cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv; 181cd98e85aSSteve Longerbeam 182cd98e85aSSteve Longerbeam enum ipu_ic_task ic_task; 183cd98e85aSSteve Longerbeam const struct ipu_image_convert_dma_chan *dma_ch; 184cd98e85aSSteve Longerbeam 185cd98e85aSSteve Longerbeam struct ipu_ic *ic; 186cd98e85aSSteve Longerbeam struct ipuv3_channel *in_chan; 187cd98e85aSSteve Longerbeam struct ipuv3_channel *out_chan; 188cd98e85aSSteve Longerbeam struct ipuv3_channel *rotation_in_chan; 189cd98e85aSSteve Longerbeam struct ipuv3_channel *rotation_out_chan; 190cd98e85aSSteve Longerbeam 191cd98e85aSSteve Longerbeam /* the IPU end-of-frame irqs */ 192cd98e85aSSteve Longerbeam int out_eof_irq; 193cd98e85aSSteve Longerbeam int rot_out_eof_irq; 194cd98e85aSSteve Longerbeam 195cd98e85aSSteve Longerbeam spinlock_t irqlock; 196cd98e85aSSteve Longerbeam 197cd98e85aSSteve Longerbeam /* list of convert contexts */ 198cd98e85aSSteve Longerbeam struct list_head ctx_list; 199cd98e85aSSteve Longerbeam /* queue of conversion runs */ 200cd98e85aSSteve Longerbeam struct list_head pending_q; 201cd98e85aSSteve Longerbeam /* queue of completed runs */ 202cd98e85aSSteve Longerbeam struct list_head done_q; 203cd98e85aSSteve Longerbeam 204cd98e85aSSteve Longerbeam /* the current conversion run */ 205cd98e85aSSteve Longerbeam struct ipu_image_convert_run *current_run; 206cd98e85aSSteve Longerbeam }; 207cd98e85aSSteve Longerbeam 208cd98e85aSSteve Longerbeam struct ipu_image_convert_priv { 209cd98e85aSSteve Longerbeam struct ipu_image_convert_chan chan[IC_NUM_TASKS]; 210cd98e85aSSteve Longerbeam struct ipu_soc *ipu; 211cd98e85aSSteve Longerbeam }; 212cd98e85aSSteve Longerbeam 213cd98e85aSSteve Longerbeam static const struct ipu_image_convert_dma_chan 214cd98e85aSSteve Longerbeam image_convert_dma_chan[IC_NUM_TASKS] = { 215cd98e85aSSteve Longerbeam [IC_TASK_VIEWFINDER] = { 216cd98e85aSSteve Longerbeam .in = IPUV3_CHANNEL_MEM_IC_PRP_VF, 217cd98e85aSSteve Longerbeam .out = IPUV3_CHANNEL_IC_PRP_VF_MEM, 218cd98e85aSSteve Longerbeam .rot_in = IPUV3_CHANNEL_MEM_ROT_VF, 219cd98e85aSSteve Longerbeam .rot_out = IPUV3_CHANNEL_ROT_VF_MEM, 220cd98e85aSSteve Longerbeam .vdi_in_p = IPUV3_CHANNEL_MEM_VDI_PREV, 221cd98e85aSSteve Longerbeam .vdi_in = IPUV3_CHANNEL_MEM_VDI_CUR, 222cd98e85aSSteve Longerbeam .vdi_in_n = IPUV3_CHANNEL_MEM_VDI_NEXT, 223cd98e85aSSteve Longerbeam }, 224cd98e85aSSteve Longerbeam [IC_TASK_POST_PROCESSOR] = { 225cd98e85aSSteve Longerbeam .in = IPUV3_CHANNEL_MEM_IC_PP, 226cd98e85aSSteve Longerbeam .out = IPUV3_CHANNEL_IC_PP_MEM, 227cd98e85aSSteve Longerbeam .rot_in = IPUV3_CHANNEL_MEM_ROT_PP, 228cd98e85aSSteve Longerbeam .rot_out = IPUV3_CHANNEL_ROT_PP_MEM, 229cd98e85aSSteve Longerbeam }, 230cd98e85aSSteve Longerbeam }; 231cd98e85aSSteve Longerbeam 232cd98e85aSSteve Longerbeam static const struct ipu_image_pixfmt image_convert_formats[] = { 233cd98e85aSSteve Longerbeam { 234cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_RGB565, 235cd98e85aSSteve Longerbeam .bpp = 16, 236cd98e85aSSteve Longerbeam }, { 237cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_RGB24, 238cd98e85aSSteve Longerbeam .bpp = 24, 239cd98e85aSSteve Longerbeam }, { 240cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_BGR24, 241cd98e85aSSteve Longerbeam .bpp = 24, 242cd98e85aSSteve Longerbeam }, { 243cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_RGB32, 244cd98e85aSSteve Longerbeam .bpp = 32, 245cd98e85aSSteve Longerbeam }, { 246cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_BGR32, 247cd98e85aSSteve Longerbeam .bpp = 32, 248cd98e85aSSteve Longerbeam }, { 2495c41bb60SPhilipp Zabel .fourcc = V4L2_PIX_FMT_XRGB32, 2505c41bb60SPhilipp Zabel .bpp = 32, 2515c41bb60SPhilipp Zabel }, { 2525c41bb60SPhilipp Zabel .fourcc = V4L2_PIX_FMT_XBGR32, 2535c41bb60SPhilipp Zabel .bpp = 32, 2545c41bb60SPhilipp Zabel }, { 2559b75651fSPhilipp Zabel .fourcc = V4L2_PIX_FMT_BGRX32, 2569b75651fSPhilipp Zabel .bpp = 32, 2579b75651fSPhilipp Zabel }, { 2589b75651fSPhilipp Zabel .fourcc = V4L2_PIX_FMT_RGBX32, 2599b75651fSPhilipp Zabel .bpp = 32, 2609b75651fSPhilipp Zabel }, { 261cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_YUYV, 262cd98e85aSSteve Longerbeam .bpp = 16, 263cd98e85aSSteve Longerbeam .uv_width_dec = 2, 264cd98e85aSSteve Longerbeam .uv_height_dec = 1, 265cd98e85aSSteve Longerbeam }, { 266cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_UYVY, 267cd98e85aSSteve Longerbeam .bpp = 16, 268cd98e85aSSteve Longerbeam .uv_width_dec = 2, 269cd98e85aSSteve Longerbeam .uv_height_dec = 1, 270cd98e85aSSteve Longerbeam }, { 271cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_YUV420, 272cd98e85aSSteve Longerbeam .bpp = 12, 273cd98e85aSSteve Longerbeam .planar = true, 274cd98e85aSSteve Longerbeam .uv_width_dec = 2, 275cd98e85aSSteve Longerbeam .uv_height_dec = 2, 276cd98e85aSSteve Longerbeam }, { 277cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_YVU420, 278cd98e85aSSteve Longerbeam .bpp = 12, 279cd98e85aSSteve Longerbeam .planar = true, 280cd98e85aSSteve Longerbeam .uv_width_dec = 2, 281cd98e85aSSteve Longerbeam .uv_height_dec = 2, 282cd98e85aSSteve Longerbeam .uv_swapped = true, 283cd98e85aSSteve Longerbeam }, { 284cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_NV12, 285cd98e85aSSteve Longerbeam .bpp = 12, 286cd98e85aSSteve Longerbeam .planar = true, 287cd98e85aSSteve Longerbeam .uv_width_dec = 2, 288cd98e85aSSteve Longerbeam .uv_height_dec = 2, 289cd98e85aSSteve Longerbeam .uv_packed = true, 290cd98e85aSSteve Longerbeam }, { 291cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_YUV422P, 292cd98e85aSSteve Longerbeam .bpp = 16, 293cd98e85aSSteve Longerbeam .planar = true, 294cd98e85aSSteve Longerbeam .uv_width_dec = 2, 295cd98e85aSSteve Longerbeam .uv_height_dec = 1, 296cd98e85aSSteve Longerbeam }, { 297cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_NV16, 298cd98e85aSSteve Longerbeam .bpp = 16, 299cd98e85aSSteve Longerbeam .planar = true, 300cd98e85aSSteve Longerbeam .uv_width_dec = 2, 301cd98e85aSSteve Longerbeam .uv_height_dec = 1, 302cd98e85aSSteve Longerbeam .uv_packed = true, 303cd98e85aSSteve Longerbeam }, 304cd98e85aSSteve Longerbeam }; 305cd98e85aSSteve Longerbeam 306cd98e85aSSteve Longerbeam static const struct ipu_image_pixfmt *get_format(u32 fourcc) 307cd98e85aSSteve Longerbeam { 308cd98e85aSSteve Longerbeam const struct ipu_image_pixfmt *ret = NULL; 309cd98e85aSSteve Longerbeam unsigned int i; 310cd98e85aSSteve Longerbeam 311cd98e85aSSteve Longerbeam for (i = 0; i < ARRAY_SIZE(image_convert_formats); i++) { 312cd98e85aSSteve Longerbeam if (image_convert_formats[i].fourcc == fourcc) { 313cd98e85aSSteve Longerbeam ret = &image_convert_formats[i]; 314cd98e85aSSteve Longerbeam break; 315cd98e85aSSteve Longerbeam } 316cd98e85aSSteve Longerbeam } 317cd98e85aSSteve Longerbeam 318cd98e85aSSteve Longerbeam return ret; 319cd98e85aSSteve Longerbeam } 320cd98e85aSSteve Longerbeam 321cd98e85aSSteve Longerbeam static void dump_format(struct ipu_image_convert_ctx *ctx, 322cd98e85aSSteve Longerbeam struct ipu_image_convert_image *ic_image) 323cd98e85aSSteve Longerbeam { 324cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 325cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 326cd98e85aSSteve Longerbeam 327cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, 328a3f42419SPhilipp Zabel "task %u: ctx %p: %s format: %dx%d (%dx%d tiles), %c%c%c%c\n", 329cd98e85aSSteve Longerbeam chan->ic_task, ctx, 330cd98e85aSSteve Longerbeam ic_image->type == IMAGE_CONVERT_OUT ? "Output" : "Input", 331cd98e85aSSteve Longerbeam ic_image->base.pix.width, ic_image->base.pix.height, 332cd98e85aSSteve Longerbeam ic_image->num_cols, ic_image->num_rows, 333cd98e85aSSteve Longerbeam ic_image->fmt->fourcc & 0xff, 334cd98e85aSSteve Longerbeam (ic_image->fmt->fourcc >> 8) & 0xff, 335cd98e85aSSteve Longerbeam (ic_image->fmt->fourcc >> 16) & 0xff, 336cd98e85aSSteve Longerbeam (ic_image->fmt->fourcc >> 24) & 0xff); 337cd98e85aSSteve Longerbeam } 338cd98e85aSSteve Longerbeam 339cd98e85aSSteve Longerbeam int ipu_image_convert_enum_format(int index, u32 *fourcc) 340cd98e85aSSteve Longerbeam { 341cd98e85aSSteve Longerbeam const struct ipu_image_pixfmt *fmt; 342cd98e85aSSteve Longerbeam 343cd98e85aSSteve Longerbeam if (index >= (int)ARRAY_SIZE(image_convert_formats)) 344cd98e85aSSteve Longerbeam return -EINVAL; 345cd98e85aSSteve Longerbeam 346cd98e85aSSteve Longerbeam /* Format found */ 347cd98e85aSSteve Longerbeam fmt = &image_convert_formats[index]; 348cd98e85aSSteve Longerbeam *fourcc = fmt->fourcc; 349cd98e85aSSteve Longerbeam return 0; 350cd98e85aSSteve Longerbeam } 351cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_enum_format); 352cd98e85aSSteve Longerbeam 353cd98e85aSSteve Longerbeam static void free_dma_buf(struct ipu_image_convert_priv *priv, 354cd98e85aSSteve Longerbeam struct ipu_image_convert_dma_buf *buf) 355cd98e85aSSteve Longerbeam { 356cd98e85aSSteve Longerbeam if (buf->virt) 357cd98e85aSSteve Longerbeam dma_free_coherent(priv->ipu->dev, 358cd98e85aSSteve Longerbeam buf->len, buf->virt, buf->phys); 359cd98e85aSSteve Longerbeam buf->virt = NULL; 360cd98e85aSSteve Longerbeam buf->phys = 0; 361cd98e85aSSteve Longerbeam } 362cd98e85aSSteve Longerbeam 363cd98e85aSSteve Longerbeam static int alloc_dma_buf(struct ipu_image_convert_priv *priv, 364cd98e85aSSteve Longerbeam struct ipu_image_convert_dma_buf *buf, 365cd98e85aSSteve Longerbeam int size) 366cd98e85aSSteve Longerbeam { 367cd98e85aSSteve Longerbeam buf->len = PAGE_ALIGN(size); 368cd98e85aSSteve Longerbeam buf->virt = dma_alloc_coherent(priv->ipu->dev, buf->len, &buf->phys, 369cd98e85aSSteve Longerbeam GFP_DMA | GFP_KERNEL); 370cd98e85aSSteve Longerbeam if (!buf->virt) { 371cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "failed to alloc dma buffer\n"); 372cd98e85aSSteve Longerbeam return -ENOMEM; 373cd98e85aSSteve Longerbeam } 374cd98e85aSSteve Longerbeam 375cd98e85aSSteve Longerbeam return 0; 376cd98e85aSSteve Longerbeam } 377cd98e85aSSteve Longerbeam 378cd98e85aSSteve Longerbeam static inline int num_stripes(int dim) 379cd98e85aSSteve Longerbeam { 380815b02e3SPhilipp Zabel return (dim - 1) / 1024 + 1; 381cd98e85aSSteve Longerbeam } 382cd98e85aSSteve Longerbeam 38370b9b6b3SPhilipp Zabel /* 38470b9b6b3SPhilipp Zabel * Calculate downsizing coefficients, which are the same for all tiles, 38570b9b6b3SPhilipp Zabel * and bilinear resizing coefficients, which are used to find the best 38670b9b6b3SPhilipp Zabel * seam positions. 38770b9b6b3SPhilipp Zabel */ 38870b9b6b3SPhilipp Zabel static int calc_image_resize_coefficients(struct ipu_image_convert_ctx *ctx, 38970b9b6b3SPhilipp Zabel struct ipu_image *in, 39070b9b6b3SPhilipp Zabel struct ipu_image *out) 39170b9b6b3SPhilipp Zabel { 39270b9b6b3SPhilipp Zabel u32 downsized_width = in->rect.width; 39370b9b6b3SPhilipp Zabel u32 downsized_height = in->rect.height; 39470b9b6b3SPhilipp Zabel u32 downsize_coeff_v = 0; 39570b9b6b3SPhilipp Zabel u32 downsize_coeff_h = 0; 39670b9b6b3SPhilipp Zabel u32 resized_width = out->rect.width; 39770b9b6b3SPhilipp Zabel u32 resized_height = out->rect.height; 39870b9b6b3SPhilipp Zabel u32 resize_coeff_h; 39970b9b6b3SPhilipp Zabel u32 resize_coeff_v; 40070b9b6b3SPhilipp Zabel 40170b9b6b3SPhilipp Zabel if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 40270b9b6b3SPhilipp Zabel resized_width = out->rect.height; 40370b9b6b3SPhilipp Zabel resized_height = out->rect.width; 40470b9b6b3SPhilipp Zabel } 40570b9b6b3SPhilipp Zabel 40670b9b6b3SPhilipp Zabel /* Do not let invalid input lead to an endless loop below */ 40770b9b6b3SPhilipp Zabel if (WARN_ON(resized_width == 0 || resized_height == 0)) 40870b9b6b3SPhilipp Zabel return -EINVAL; 40970b9b6b3SPhilipp Zabel 410912bbf7eSSteve Longerbeam while (downsized_width > 1024 || 411912bbf7eSSteve Longerbeam downsized_width >= resized_width * 2) { 41270b9b6b3SPhilipp Zabel downsized_width >>= 1; 41370b9b6b3SPhilipp Zabel downsize_coeff_h++; 41470b9b6b3SPhilipp Zabel } 41570b9b6b3SPhilipp Zabel 416912bbf7eSSteve Longerbeam while (downsized_height > 1024 || 417912bbf7eSSteve Longerbeam downsized_height >= resized_height * 2) { 41870b9b6b3SPhilipp Zabel downsized_height >>= 1; 41970b9b6b3SPhilipp Zabel downsize_coeff_v++; 42070b9b6b3SPhilipp Zabel } 42170b9b6b3SPhilipp Zabel 42270b9b6b3SPhilipp Zabel /* 42370b9b6b3SPhilipp Zabel * Calculate the bilinear resizing coefficients that could be used if 42470b9b6b3SPhilipp Zabel * we were converting with a single tile. The bottom right output pixel 42570b9b6b3SPhilipp Zabel * should sample as close as possible to the bottom right input pixel 42670b9b6b3SPhilipp Zabel * out of the decimator, but not overshoot it: 42770b9b6b3SPhilipp Zabel */ 42870b9b6b3SPhilipp Zabel resize_coeff_h = 8192 * (downsized_width - 1) / (resized_width - 1); 42970b9b6b3SPhilipp Zabel resize_coeff_v = 8192 * (downsized_height - 1) / (resized_height - 1); 43070b9b6b3SPhilipp Zabel 43170b9b6b3SPhilipp Zabel dev_dbg(ctx->chan->priv->ipu->dev, 43270b9b6b3SPhilipp Zabel "%s: hscale: >>%u, *8192/%u vscale: >>%u, *8192/%u, %ux%u tiles\n", 43370b9b6b3SPhilipp Zabel __func__, downsize_coeff_h, resize_coeff_h, downsize_coeff_v, 43470b9b6b3SPhilipp Zabel resize_coeff_v, ctx->in.num_cols, ctx->in.num_rows); 43570b9b6b3SPhilipp Zabel 43670b9b6b3SPhilipp Zabel if (downsize_coeff_h > 2 || downsize_coeff_v > 2 || 43770b9b6b3SPhilipp Zabel resize_coeff_h > 0x3fff || resize_coeff_v > 0x3fff) 43870b9b6b3SPhilipp Zabel return -EINVAL; 43970b9b6b3SPhilipp Zabel 44070b9b6b3SPhilipp Zabel ctx->downsize_coeff_h = downsize_coeff_h; 44170b9b6b3SPhilipp Zabel ctx->downsize_coeff_v = downsize_coeff_v; 44270b9b6b3SPhilipp Zabel ctx->image_resize_coeff_h = resize_coeff_h; 44370b9b6b3SPhilipp Zabel ctx->image_resize_coeff_v = resize_coeff_v; 44470b9b6b3SPhilipp Zabel 44570b9b6b3SPhilipp Zabel return 0; 44670b9b6b3SPhilipp Zabel } 44770b9b6b3SPhilipp Zabel 44864fbae5eSPhilipp Zabel #define round_closest(x, y) round_down((x) + (y)/2, (y)) 44964fbae5eSPhilipp Zabel 45064fbae5eSPhilipp Zabel /* 45164fbae5eSPhilipp Zabel * Find the best aligned seam position in the inverval [out_start, out_end]. 45264fbae5eSPhilipp Zabel * Rotation and image offsets are out of scope. 45364fbae5eSPhilipp Zabel * 45464fbae5eSPhilipp Zabel * @out_start: start of inverval, must be within 1024 pixels / lines 45564fbae5eSPhilipp Zabel * of out_end 45664fbae5eSPhilipp Zabel * @out_end: end of interval, smaller than or equal to out_edge 45764fbae5eSPhilipp Zabel * @in_edge: input right / bottom edge 45864fbae5eSPhilipp Zabel * @out_edge: output right / bottom edge 45964fbae5eSPhilipp Zabel * @in_align: input alignment, either horizontal 8-byte line start address 46064fbae5eSPhilipp Zabel * alignment, or pixel alignment due to image format 46164fbae5eSPhilipp Zabel * @out_align: output alignment, either horizontal 8-byte line start address 46264fbae5eSPhilipp Zabel * alignment, or pixel alignment due to image format or rotator 46364fbae5eSPhilipp Zabel * block size 46464fbae5eSPhilipp Zabel * @in_burst: horizontal input burst size in case of horizontal flip 46564fbae5eSPhilipp Zabel * @out_burst: horizontal output burst size or rotator block size 46664fbae5eSPhilipp Zabel * @downsize_coeff: downsizing section coefficient 46764fbae5eSPhilipp Zabel * @resize_coeff: main processing section resizing coefficient 46864fbae5eSPhilipp Zabel * @_in_seam: aligned input seam position return value 46964fbae5eSPhilipp Zabel * @_out_seam: aligned output seam position return value 47064fbae5eSPhilipp Zabel */ 47164fbae5eSPhilipp Zabel static void find_best_seam(struct ipu_image_convert_ctx *ctx, 47264fbae5eSPhilipp Zabel unsigned int out_start, 47364fbae5eSPhilipp Zabel unsigned int out_end, 47464fbae5eSPhilipp Zabel unsigned int in_edge, 47564fbae5eSPhilipp Zabel unsigned int out_edge, 47664fbae5eSPhilipp Zabel unsigned int in_align, 47764fbae5eSPhilipp Zabel unsigned int out_align, 47864fbae5eSPhilipp Zabel unsigned int in_burst, 47964fbae5eSPhilipp Zabel unsigned int out_burst, 48064fbae5eSPhilipp Zabel unsigned int downsize_coeff, 48164fbae5eSPhilipp Zabel unsigned int resize_coeff, 48264fbae5eSPhilipp Zabel u32 *_in_seam, 48364fbae5eSPhilipp Zabel u32 *_out_seam) 48464fbae5eSPhilipp Zabel { 48564fbae5eSPhilipp Zabel struct device *dev = ctx->chan->priv->ipu->dev; 48664fbae5eSPhilipp Zabel unsigned int out_pos; 48764fbae5eSPhilipp Zabel /* Input / output seam position candidates */ 48864fbae5eSPhilipp Zabel unsigned int out_seam = 0; 48964fbae5eSPhilipp Zabel unsigned int in_seam = 0; 49064fbae5eSPhilipp Zabel unsigned int min_diff = UINT_MAX; 49164fbae5eSPhilipp Zabel 49264fbae5eSPhilipp Zabel /* 49364fbae5eSPhilipp Zabel * Output tiles must start at a multiple of 8 bytes horizontally and 49464fbae5eSPhilipp Zabel * possibly at an even line horizontally depending on the pixel format. 49564fbae5eSPhilipp Zabel * Only consider output aligned positions for the seam. 49664fbae5eSPhilipp Zabel */ 49764fbae5eSPhilipp Zabel out_start = round_up(out_start, out_align); 49864fbae5eSPhilipp Zabel for (out_pos = out_start; out_pos < out_end; out_pos += out_align) { 49964fbae5eSPhilipp Zabel unsigned int in_pos; 50064fbae5eSPhilipp Zabel unsigned int in_pos_aligned; 50164fbae5eSPhilipp Zabel unsigned int abs_diff; 50264fbae5eSPhilipp Zabel 50364fbae5eSPhilipp Zabel /* 50464fbae5eSPhilipp Zabel * Tiles in the right row / bottom column may not be allowed to 50564fbae5eSPhilipp Zabel * overshoot horizontally / vertically. out_burst may be the 50664fbae5eSPhilipp Zabel * actual DMA burst size, or the rotator block size. 50764fbae5eSPhilipp Zabel */ 50864fbae5eSPhilipp Zabel if ((out_burst > 1) && (out_edge - out_pos) % out_burst) 50964fbae5eSPhilipp Zabel continue; 51064fbae5eSPhilipp Zabel 51164fbae5eSPhilipp Zabel /* 51264fbae5eSPhilipp Zabel * Input sample position, corresponding to out_pos, 19.13 fixed 51364fbae5eSPhilipp Zabel * point. 51464fbae5eSPhilipp Zabel */ 51564fbae5eSPhilipp Zabel in_pos = (out_pos * resize_coeff) << downsize_coeff; 51664fbae5eSPhilipp Zabel /* 51764fbae5eSPhilipp Zabel * The closest input sample position that we could actually 51864fbae5eSPhilipp Zabel * start the input tile at, 19.13 fixed point. 51964fbae5eSPhilipp Zabel */ 52064fbae5eSPhilipp Zabel in_pos_aligned = round_closest(in_pos, 8192U * in_align); 52164fbae5eSPhilipp Zabel 52264fbae5eSPhilipp Zabel if ((in_burst > 1) && 52364fbae5eSPhilipp Zabel (in_edge - in_pos_aligned / 8192U) % in_burst) 52464fbae5eSPhilipp Zabel continue; 52564fbae5eSPhilipp Zabel 52664fbae5eSPhilipp Zabel if (in_pos < in_pos_aligned) 52764fbae5eSPhilipp Zabel abs_diff = in_pos_aligned - in_pos; 52864fbae5eSPhilipp Zabel else 52964fbae5eSPhilipp Zabel abs_diff = in_pos - in_pos_aligned; 53064fbae5eSPhilipp Zabel 53164fbae5eSPhilipp Zabel if (abs_diff < min_diff) { 53264fbae5eSPhilipp Zabel in_seam = in_pos_aligned; 53364fbae5eSPhilipp Zabel out_seam = out_pos; 53464fbae5eSPhilipp Zabel min_diff = abs_diff; 53564fbae5eSPhilipp Zabel } 53664fbae5eSPhilipp Zabel } 53764fbae5eSPhilipp Zabel 53864fbae5eSPhilipp Zabel *_out_seam = out_seam; 53964fbae5eSPhilipp Zabel /* Convert 19.13 fixed point to integer seam position */ 54064fbae5eSPhilipp Zabel *_in_seam = DIV_ROUND_CLOSEST(in_seam, 8192U); 54164fbae5eSPhilipp Zabel 54264fbae5eSPhilipp Zabel dev_dbg(dev, "%s: out_seam %u(%u) in [%u, %u], in_seam %u(%u) diff %u.%03u\n", 54364fbae5eSPhilipp Zabel __func__, out_seam, out_align, out_start, out_end, 54464fbae5eSPhilipp Zabel *_in_seam, in_align, min_diff / 8192, 54564fbae5eSPhilipp Zabel DIV_ROUND_CLOSEST(min_diff % 8192 * 1000, 8192)); 54664fbae5eSPhilipp Zabel } 54764fbae5eSPhilipp Zabel 54864fbae5eSPhilipp Zabel /* 54964fbae5eSPhilipp Zabel * Tile left edges are required to be aligned to multiples of 8 bytes 55064fbae5eSPhilipp Zabel * by the IDMAC. 55164fbae5eSPhilipp Zabel */ 55264fbae5eSPhilipp Zabel static inline u32 tile_left_align(const struct ipu_image_pixfmt *fmt) 55364fbae5eSPhilipp Zabel { 55464fbae5eSPhilipp Zabel if (fmt->planar) 55564fbae5eSPhilipp Zabel return fmt->uv_packed ? 8 : 8 * fmt->uv_width_dec; 55664fbae5eSPhilipp Zabel else 55764fbae5eSPhilipp Zabel return fmt->bpp == 32 ? 2 : fmt->bpp == 16 ? 4 : 8; 55864fbae5eSPhilipp Zabel } 55964fbae5eSPhilipp Zabel 56064fbae5eSPhilipp Zabel /* 56164fbae5eSPhilipp Zabel * Tile top edge alignment is only limited by chroma subsampling. 56264fbae5eSPhilipp Zabel */ 56364fbae5eSPhilipp Zabel static inline u32 tile_top_align(const struct ipu_image_pixfmt *fmt) 56464fbae5eSPhilipp Zabel { 56564fbae5eSPhilipp Zabel return fmt->uv_height_dec > 1 ? 2 : 1; 56664fbae5eSPhilipp Zabel } 56764fbae5eSPhilipp Zabel 568ff652fcfSPhilipp Zabel static inline u32 tile_width_align(enum ipu_image_convert_type type, 569ff652fcfSPhilipp Zabel const struct ipu_image_pixfmt *fmt, 570ff652fcfSPhilipp Zabel enum ipu_rotate_mode rot_mode) 57176e77bf5SPhilipp Zabel { 572ff652fcfSPhilipp Zabel if (type == IMAGE_CONVERT_IN) { 573ff652fcfSPhilipp Zabel /* 574ff652fcfSPhilipp Zabel * The IC burst reads 8 pixels at a time. Reading beyond the 575ff652fcfSPhilipp Zabel * end of the line is usually acceptable. Those pixels are 576ff652fcfSPhilipp Zabel * ignored, unless the IC has to write the scaled line in 577ff652fcfSPhilipp Zabel * reverse. 578ff652fcfSPhilipp Zabel */ 579ff652fcfSPhilipp Zabel return (!ipu_rot_mode_is_irt(rot_mode) && 580ff652fcfSPhilipp Zabel (rot_mode & IPU_ROT_BIT_HFLIP)) ? 8 : 2; 58176e77bf5SPhilipp Zabel } 58276e77bf5SPhilipp Zabel 58376e77bf5SPhilipp Zabel /* 584ff652fcfSPhilipp Zabel * Align to 16x16 pixel blocks for planar 4:2:0 chroma subsampled 585ff652fcfSPhilipp Zabel * formats to guarantee 8-byte aligned line start addresses in the 586ff652fcfSPhilipp Zabel * chroma planes when IRT is used. Align to 8x8 pixel IRT block size 587ff652fcfSPhilipp Zabel * for all other formats. 58876e77bf5SPhilipp Zabel */ 589ff652fcfSPhilipp Zabel return (ipu_rot_mode_is_irt(rot_mode) && 590ff652fcfSPhilipp Zabel fmt->planar && !fmt->uv_packed) ? 591ff652fcfSPhilipp Zabel 8 * fmt->uv_width_dec : 8; 592ff652fcfSPhilipp Zabel } 593ff652fcfSPhilipp Zabel 59476e77bf5SPhilipp Zabel static inline u32 tile_height_align(enum ipu_image_convert_type type, 595ff652fcfSPhilipp Zabel const struct ipu_image_pixfmt *fmt, 59676e77bf5SPhilipp Zabel enum ipu_rotate_mode rot_mode) 59776e77bf5SPhilipp Zabel { 598ff652fcfSPhilipp Zabel if (type == IMAGE_CONVERT_IN || !ipu_rot_mode_is_irt(rot_mode)) 599ff652fcfSPhilipp Zabel return 2; 600ff652fcfSPhilipp Zabel 601ff652fcfSPhilipp Zabel /* 602ff652fcfSPhilipp Zabel * Align to 16x16 pixel blocks for planar 4:2:0 chroma subsampled 603ff652fcfSPhilipp Zabel * formats to guarantee 8-byte aligned line start addresses in the 604ff652fcfSPhilipp Zabel * chroma planes when IRT is used. Align to 8x8 pixel IRT block size 605ff652fcfSPhilipp Zabel * for all other formats. 606ff652fcfSPhilipp Zabel */ 607ff652fcfSPhilipp Zabel return (fmt->planar && !fmt->uv_packed) ? 8 * fmt->uv_width_dec : 8; 60876e77bf5SPhilipp Zabel } 60976e77bf5SPhilipp Zabel 61064fbae5eSPhilipp Zabel /* 61164fbae5eSPhilipp Zabel * Fill in left position and width and for all tiles in an input column, and 61264fbae5eSPhilipp Zabel * for all corresponding output tiles. If the 90° rotator is used, the output 61364fbae5eSPhilipp Zabel * tiles are in a row, and output tile top position and height are set. 61464fbae5eSPhilipp Zabel */ 61564fbae5eSPhilipp Zabel static void fill_tile_column(struct ipu_image_convert_ctx *ctx, 61664fbae5eSPhilipp Zabel unsigned int col, 61764fbae5eSPhilipp Zabel struct ipu_image_convert_image *in, 61864fbae5eSPhilipp Zabel unsigned int in_left, unsigned int in_width, 61964fbae5eSPhilipp Zabel struct ipu_image_convert_image *out, 62064fbae5eSPhilipp Zabel unsigned int out_left, unsigned int out_width) 62164fbae5eSPhilipp Zabel { 62264fbae5eSPhilipp Zabel unsigned int row, tile_idx; 62364fbae5eSPhilipp Zabel struct ipu_image_tile *in_tile, *out_tile; 62464fbae5eSPhilipp Zabel 62564fbae5eSPhilipp Zabel for (row = 0; row < in->num_rows; row++) { 62664fbae5eSPhilipp Zabel tile_idx = in->num_cols * row + col; 62764fbae5eSPhilipp Zabel in_tile = &in->tile[tile_idx]; 62864fbae5eSPhilipp Zabel out_tile = &out->tile[ctx->out_tile_map[tile_idx]]; 62964fbae5eSPhilipp Zabel 63064fbae5eSPhilipp Zabel in_tile->left = in_left; 63164fbae5eSPhilipp Zabel in_tile->width = in_width; 63264fbae5eSPhilipp Zabel 63364fbae5eSPhilipp Zabel if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 63464fbae5eSPhilipp Zabel out_tile->top = out_left; 63564fbae5eSPhilipp Zabel out_tile->height = out_width; 63664fbae5eSPhilipp Zabel } else { 63764fbae5eSPhilipp Zabel out_tile->left = out_left; 63864fbae5eSPhilipp Zabel out_tile->width = out_width; 63964fbae5eSPhilipp Zabel } 64064fbae5eSPhilipp Zabel } 64164fbae5eSPhilipp Zabel } 64264fbae5eSPhilipp Zabel 64364fbae5eSPhilipp Zabel /* 64464fbae5eSPhilipp Zabel * Fill in top position and height and for all tiles in an input row, and 64564fbae5eSPhilipp Zabel * for all corresponding output tiles. If the 90° rotator is used, the output 64664fbae5eSPhilipp Zabel * tiles are in a column, and output tile left position and width are set. 64764fbae5eSPhilipp Zabel */ 64864fbae5eSPhilipp Zabel static void fill_tile_row(struct ipu_image_convert_ctx *ctx, unsigned int row, 64964fbae5eSPhilipp Zabel struct ipu_image_convert_image *in, 65064fbae5eSPhilipp Zabel unsigned int in_top, unsigned int in_height, 65164fbae5eSPhilipp Zabel struct ipu_image_convert_image *out, 65264fbae5eSPhilipp Zabel unsigned int out_top, unsigned int out_height) 65364fbae5eSPhilipp Zabel { 65464fbae5eSPhilipp Zabel unsigned int col, tile_idx; 65564fbae5eSPhilipp Zabel struct ipu_image_tile *in_tile, *out_tile; 65664fbae5eSPhilipp Zabel 65764fbae5eSPhilipp Zabel for (col = 0; col < in->num_cols; col++) { 65864fbae5eSPhilipp Zabel tile_idx = in->num_cols * row + col; 65964fbae5eSPhilipp Zabel in_tile = &in->tile[tile_idx]; 66064fbae5eSPhilipp Zabel out_tile = &out->tile[ctx->out_tile_map[tile_idx]]; 66164fbae5eSPhilipp Zabel 66264fbae5eSPhilipp Zabel in_tile->top = in_top; 66364fbae5eSPhilipp Zabel in_tile->height = in_height; 66464fbae5eSPhilipp Zabel 66564fbae5eSPhilipp Zabel if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 66664fbae5eSPhilipp Zabel out_tile->left = out_top; 66764fbae5eSPhilipp Zabel out_tile->width = out_height; 66864fbae5eSPhilipp Zabel } else { 66964fbae5eSPhilipp Zabel out_tile->top = out_top; 67064fbae5eSPhilipp Zabel out_tile->height = out_height; 67164fbae5eSPhilipp Zabel } 67264fbae5eSPhilipp Zabel } 67364fbae5eSPhilipp Zabel } 67464fbae5eSPhilipp Zabel 67564fbae5eSPhilipp Zabel /* 67664fbae5eSPhilipp Zabel * Find the best horizontal and vertical seam positions to split into tiles. 67764fbae5eSPhilipp Zabel * Minimize the fractional part of the input sampling position for the 67864fbae5eSPhilipp Zabel * top / left pixels of each tile. 67964fbae5eSPhilipp Zabel */ 68064fbae5eSPhilipp Zabel static void find_seams(struct ipu_image_convert_ctx *ctx, 68164fbae5eSPhilipp Zabel struct ipu_image_convert_image *in, 68264fbae5eSPhilipp Zabel struct ipu_image_convert_image *out) 68364fbae5eSPhilipp Zabel { 68464fbae5eSPhilipp Zabel struct device *dev = ctx->chan->priv->ipu->dev; 68564fbae5eSPhilipp Zabel unsigned int resized_width = out->base.rect.width; 68664fbae5eSPhilipp Zabel unsigned int resized_height = out->base.rect.height; 68764fbae5eSPhilipp Zabel unsigned int col; 68864fbae5eSPhilipp Zabel unsigned int row; 68964fbae5eSPhilipp Zabel unsigned int in_left_align = tile_left_align(in->fmt); 69064fbae5eSPhilipp Zabel unsigned int in_top_align = tile_top_align(in->fmt); 69164fbae5eSPhilipp Zabel unsigned int out_left_align = tile_left_align(out->fmt); 69264fbae5eSPhilipp Zabel unsigned int out_top_align = tile_top_align(out->fmt); 693ff652fcfSPhilipp Zabel unsigned int out_width_align = tile_width_align(out->type, out->fmt, 694ff652fcfSPhilipp Zabel ctx->rot_mode); 695ff652fcfSPhilipp Zabel unsigned int out_height_align = tile_height_align(out->type, out->fmt, 69664fbae5eSPhilipp Zabel ctx->rot_mode); 69764fbae5eSPhilipp Zabel unsigned int in_right = in->base.rect.width; 69864fbae5eSPhilipp Zabel unsigned int in_bottom = in->base.rect.height; 69964fbae5eSPhilipp Zabel unsigned int out_right = out->base.rect.width; 70064fbae5eSPhilipp Zabel unsigned int out_bottom = out->base.rect.height; 70164fbae5eSPhilipp Zabel unsigned int flipped_out_left; 70264fbae5eSPhilipp Zabel unsigned int flipped_out_top; 70364fbae5eSPhilipp Zabel 70464fbae5eSPhilipp Zabel if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 70564fbae5eSPhilipp Zabel /* Switch width/height and align top left to IRT block size */ 70664fbae5eSPhilipp Zabel resized_width = out->base.rect.height; 70764fbae5eSPhilipp Zabel resized_height = out->base.rect.width; 70864fbae5eSPhilipp Zabel out_left_align = out_height_align; 70964fbae5eSPhilipp Zabel out_top_align = out_width_align; 71064fbae5eSPhilipp Zabel out_width_align = out_left_align; 71164fbae5eSPhilipp Zabel out_height_align = out_top_align; 71264fbae5eSPhilipp Zabel out_right = out->base.rect.height; 71364fbae5eSPhilipp Zabel out_bottom = out->base.rect.width; 71464fbae5eSPhilipp Zabel } 71564fbae5eSPhilipp Zabel 71664fbae5eSPhilipp Zabel for (col = in->num_cols - 1; col > 0; col--) { 71764fbae5eSPhilipp Zabel bool allow_in_overshoot = ipu_rot_mode_is_irt(ctx->rot_mode) || 71864fbae5eSPhilipp Zabel !(ctx->rot_mode & IPU_ROT_BIT_HFLIP); 71964fbae5eSPhilipp Zabel bool allow_out_overshoot = (col < in->num_cols - 1) && 72064fbae5eSPhilipp Zabel !(ctx->rot_mode & IPU_ROT_BIT_HFLIP); 72164fbae5eSPhilipp Zabel unsigned int out_start; 72264fbae5eSPhilipp Zabel unsigned int out_end; 72364fbae5eSPhilipp Zabel unsigned int in_left; 72464fbae5eSPhilipp Zabel unsigned int out_left; 72564fbae5eSPhilipp Zabel 72664fbae5eSPhilipp Zabel /* 72764fbae5eSPhilipp Zabel * Align input width to burst length if the scaling step flips 72864fbae5eSPhilipp Zabel * horizontally. 72964fbae5eSPhilipp Zabel */ 73064fbae5eSPhilipp Zabel 73164fbae5eSPhilipp Zabel /* Start within 1024 pixels of the right edge */ 73264fbae5eSPhilipp Zabel out_start = max_t(int, 0, out_right - 1024); 73364fbae5eSPhilipp Zabel /* End before having to add more columns to the left */ 73464fbae5eSPhilipp Zabel out_end = min_t(unsigned int, out_right, col * 1024); 73564fbae5eSPhilipp Zabel 73664fbae5eSPhilipp Zabel find_best_seam(ctx, out_start, out_end, 73764fbae5eSPhilipp Zabel in_right, out_right, 73864fbae5eSPhilipp Zabel in_left_align, out_left_align, 73964fbae5eSPhilipp Zabel allow_in_overshoot ? 1 : 8 /* burst length */, 74064fbae5eSPhilipp Zabel allow_out_overshoot ? 1 : out_width_align, 74164fbae5eSPhilipp Zabel ctx->downsize_coeff_h, ctx->image_resize_coeff_h, 74264fbae5eSPhilipp Zabel &in_left, &out_left); 74364fbae5eSPhilipp Zabel 74464fbae5eSPhilipp Zabel if (ctx->rot_mode & IPU_ROT_BIT_HFLIP) 74564fbae5eSPhilipp Zabel flipped_out_left = resized_width - out_right; 74664fbae5eSPhilipp Zabel else 74764fbae5eSPhilipp Zabel flipped_out_left = out_left; 74864fbae5eSPhilipp Zabel 74964fbae5eSPhilipp Zabel fill_tile_column(ctx, col, in, in_left, in_right - in_left, 75064fbae5eSPhilipp Zabel out, flipped_out_left, out_right - out_left); 75164fbae5eSPhilipp Zabel 75264fbae5eSPhilipp Zabel dev_dbg(dev, "%s: col %u: %u, %u -> %u, %u\n", __func__, col, 75364fbae5eSPhilipp Zabel in_left, in_right - in_left, 75464fbae5eSPhilipp Zabel flipped_out_left, out_right - out_left); 75564fbae5eSPhilipp Zabel 75664fbae5eSPhilipp Zabel in_right = in_left; 75764fbae5eSPhilipp Zabel out_right = out_left; 75864fbae5eSPhilipp Zabel } 75964fbae5eSPhilipp Zabel 76064fbae5eSPhilipp Zabel flipped_out_left = (ctx->rot_mode & IPU_ROT_BIT_HFLIP) ? 76164fbae5eSPhilipp Zabel resized_width - out_right : 0; 76264fbae5eSPhilipp Zabel 76364fbae5eSPhilipp Zabel fill_tile_column(ctx, 0, in, 0, in_right, 76464fbae5eSPhilipp Zabel out, flipped_out_left, out_right); 76564fbae5eSPhilipp Zabel 76664fbae5eSPhilipp Zabel dev_dbg(dev, "%s: col 0: 0, %u -> %u, %u\n", __func__, 76764fbae5eSPhilipp Zabel in_right, flipped_out_left, out_right); 76864fbae5eSPhilipp Zabel 76964fbae5eSPhilipp Zabel for (row = in->num_rows - 1; row > 0; row--) { 77064fbae5eSPhilipp Zabel bool allow_overshoot = row < in->num_rows - 1; 77164fbae5eSPhilipp Zabel unsigned int out_start; 77264fbae5eSPhilipp Zabel unsigned int out_end; 77364fbae5eSPhilipp Zabel unsigned int in_top; 77464fbae5eSPhilipp Zabel unsigned int out_top; 77564fbae5eSPhilipp Zabel 77664fbae5eSPhilipp Zabel /* Start within 1024 lines of the bottom edge */ 77764fbae5eSPhilipp Zabel out_start = max_t(int, 0, out_bottom - 1024); 77864fbae5eSPhilipp Zabel /* End before having to add more rows above */ 77964fbae5eSPhilipp Zabel out_end = min_t(unsigned int, out_bottom, row * 1024); 78064fbae5eSPhilipp Zabel 78164fbae5eSPhilipp Zabel find_best_seam(ctx, out_start, out_end, 78264fbae5eSPhilipp Zabel in_bottom, out_bottom, 78364fbae5eSPhilipp Zabel in_top_align, out_top_align, 78464fbae5eSPhilipp Zabel 1, allow_overshoot ? 1 : out_height_align, 78564fbae5eSPhilipp Zabel ctx->downsize_coeff_v, ctx->image_resize_coeff_v, 78664fbae5eSPhilipp Zabel &in_top, &out_top); 78764fbae5eSPhilipp Zabel 78864fbae5eSPhilipp Zabel if ((ctx->rot_mode & IPU_ROT_BIT_VFLIP) ^ 78964fbae5eSPhilipp Zabel ipu_rot_mode_is_irt(ctx->rot_mode)) 79064fbae5eSPhilipp Zabel flipped_out_top = resized_height - out_bottom; 79164fbae5eSPhilipp Zabel else 79264fbae5eSPhilipp Zabel flipped_out_top = out_top; 79364fbae5eSPhilipp Zabel 79464fbae5eSPhilipp Zabel fill_tile_row(ctx, row, in, in_top, in_bottom - in_top, 79564fbae5eSPhilipp Zabel out, flipped_out_top, out_bottom - out_top); 79664fbae5eSPhilipp Zabel 79764fbae5eSPhilipp Zabel dev_dbg(dev, "%s: row %u: %u, %u -> %u, %u\n", __func__, row, 79864fbae5eSPhilipp Zabel in_top, in_bottom - in_top, 79964fbae5eSPhilipp Zabel flipped_out_top, out_bottom - out_top); 80064fbae5eSPhilipp Zabel 80164fbae5eSPhilipp Zabel in_bottom = in_top; 80264fbae5eSPhilipp Zabel out_bottom = out_top; 80364fbae5eSPhilipp Zabel } 80464fbae5eSPhilipp Zabel 80564fbae5eSPhilipp Zabel if ((ctx->rot_mode & IPU_ROT_BIT_VFLIP) ^ 80664fbae5eSPhilipp Zabel ipu_rot_mode_is_irt(ctx->rot_mode)) 80764fbae5eSPhilipp Zabel flipped_out_top = resized_height - out_bottom; 80864fbae5eSPhilipp Zabel else 80964fbae5eSPhilipp Zabel flipped_out_top = 0; 81064fbae5eSPhilipp Zabel 81164fbae5eSPhilipp Zabel fill_tile_row(ctx, 0, in, 0, in_bottom, 81264fbae5eSPhilipp Zabel out, flipped_out_top, out_bottom); 81364fbae5eSPhilipp Zabel 81464fbae5eSPhilipp Zabel dev_dbg(dev, "%s: row 0: 0, %u -> %u, %u\n", __func__, 81564fbae5eSPhilipp Zabel in_bottom, flipped_out_top, out_bottom); 81664fbae5eSPhilipp Zabel } 81764fbae5eSPhilipp Zabel 818cd98e85aSSteve Longerbeam static void calc_tile_dimensions(struct ipu_image_convert_ctx *ctx, 819cd98e85aSSteve Longerbeam struct ipu_image_convert_image *image) 820cd98e85aSSteve Longerbeam { 821a3f42419SPhilipp Zabel struct ipu_image_convert_chan *chan = ctx->chan; 822a3f42419SPhilipp Zabel struct ipu_image_convert_priv *priv = chan->priv; 823571dd82cSPhilipp Zabel unsigned int i; 824cd98e85aSSteve Longerbeam 825cd98e85aSSteve Longerbeam for (i = 0; i < ctx->num_tiles; i++) { 82664fbae5eSPhilipp Zabel struct ipu_image_tile *tile; 827571dd82cSPhilipp Zabel const unsigned int row = i / image->num_cols; 828571dd82cSPhilipp Zabel const unsigned int col = i % image->num_cols; 829cd98e85aSSteve Longerbeam 83064fbae5eSPhilipp Zabel if (image->type == IMAGE_CONVERT_OUT) 83164fbae5eSPhilipp Zabel tile = &image->tile[ctx->out_tile_map[i]]; 83264fbae5eSPhilipp Zabel else 83364fbae5eSPhilipp Zabel tile = &image->tile[i]; 83464fbae5eSPhilipp Zabel 835cd98e85aSSteve Longerbeam tile->size = ((tile->height * image->fmt->bpp) >> 3) * 836cd98e85aSSteve Longerbeam tile->width; 837cd98e85aSSteve Longerbeam 838cd98e85aSSteve Longerbeam if (image->fmt->planar) { 839cd98e85aSSteve Longerbeam tile->stride = tile->width; 840cd98e85aSSteve Longerbeam tile->rot_stride = tile->height; 841cd98e85aSSteve Longerbeam } else { 842cd98e85aSSteve Longerbeam tile->stride = 843cd98e85aSSteve Longerbeam (image->fmt->bpp * tile->width) >> 3; 844cd98e85aSSteve Longerbeam tile->rot_stride = 845cd98e85aSSteve Longerbeam (image->fmt->bpp * tile->height) >> 3; 846cd98e85aSSteve Longerbeam } 847a3f42419SPhilipp Zabel 848a3f42419SPhilipp Zabel dev_dbg(priv->ipu->dev, 849a3f42419SPhilipp Zabel "task %u: ctx %p: %s@[%u,%u]: %ux%u@%u,%u\n", 850a3f42419SPhilipp Zabel chan->ic_task, ctx, 851a3f42419SPhilipp Zabel image->type == IMAGE_CONVERT_IN ? "Input" : "Output", 852a3f42419SPhilipp Zabel row, col, 853a3f42419SPhilipp Zabel tile->width, tile->height, tile->left, tile->top); 854cd98e85aSSteve Longerbeam } 855cd98e85aSSteve Longerbeam } 856cd98e85aSSteve Longerbeam 857cd98e85aSSteve Longerbeam /* 858cd98e85aSSteve Longerbeam * Use the rotation transformation to find the tile coordinates 859cd98e85aSSteve Longerbeam * (row, col) of a tile in the destination frame that corresponds 860cd98e85aSSteve Longerbeam * to the given tile coordinates of a source frame. The destination 861cd98e85aSSteve Longerbeam * coordinate is then converted to a tile index. 862cd98e85aSSteve Longerbeam */ 863cd98e85aSSteve Longerbeam static int transform_tile_index(struct ipu_image_convert_ctx *ctx, 864cd98e85aSSteve Longerbeam int src_row, int src_col) 865cd98e85aSSteve Longerbeam { 866cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 867cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 868cd98e85aSSteve Longerbeam struct ipu_image_convert_image *s_image = &ctx->in; 869cd98e85aSSteve Longerbeam struct ipu_image_convert_image *d_image = &ctx->out; 870cd98e85aSSteve Longerbeam int dst_row, dst_col; 871cd98e85aSSteve Longerbeam 872cd98e85aSSteve Longerbeam /* with no rotation it's a 1:1 mapping */ 873cd98e85aSSteve Longerbeam if (ctx->rot_mode == IPU_ROTATE_NONE) 874cd98e85aSSteve Longerbeam return src_row * s_image->num_cols + src_col; 875cd98e85aSSteve Longerbeam 876cd98e85aSSteve Longerbeam /* 877cd98e85aSSteve Longerbeam * before doing the transform, first we have to translate 878cd98e85aSSteve Longerbeam * source row,col for an origin in the center of s_image 879cd98e85aSSteve Longerbeam */ 880cd98e85aSSteve Longerbeam src_row = src_row * 2 - (s_image->num_rows - 1); 881cd98e85aSSteve Longerbeam src_col = src_col * 2 - (s_image->num_cols - 1); 882cd98e85aSSteve Longerbeam 883cd98e85aSSteve Longerbeam /* do the rotation transform */ 884cd98e85aSSteve Longerbeam if (ctx->rot_mode & IPU_ROT_BIT_90) { 885cd98e85aSSteve Longerbeam dst_col = -src_row; 886cd98e85aSSteve Longerbeam dst_row = src_col; 887cd98e85aSSteve Longerbeam } else { 888cd98e85aSSteve Longerbeam dst_col = src_col; 889cd98e85aSSteve Longerbeam dst_row = src_row; 890cd98e85aSSteve Longerbeam } 891cd98e85aSSteve Longerbeam 892cd98e85aSSteve Longerbeam /* apply flip */ 893cd98e85aSSteve Longerbeam if (ctx->rot_mode & IPU_ROT_BIT_HFLIP) 894cd98e85aSSteve Longerbeam dst_col = -dst_col; 895cd98e85aSSteve Longerbeam if (ctx->rot_mode & IPU_ROT_BIT_VFLIP) 896cd98e85aSSteve Longerbeam dst_row = -dst_row; 897cd98e85aSSteve Longerbeam 898cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, "task %u: ctx %p: [%d,%d] --> [%d,%d]\n", 899cd98e85aSSteve Longerbeam chan->ic_task, ctx, src_col, src_row, dst_col, dst_row); 900cd98e85aSSteve Longerbeam 901cd98e85aSSteve Longerbeam /* 902cd98e85aSSteve Longerbeam * finally translate dest row,col using an origin in upper 903cd98e85aSSteve Longerbeam * left of d_image 904cd98e85aSSteve Longerbeam */ 905cd98e85aSSteve Longerbeam dst_row += d_image->num_rows - 1; 906cd98e85aSSteve Longerbeam dst_col += d_image->num_cols - 1; 907cd98e85aSSteve Longerbeam dst_row /= 2; 908cd98e85aSSteve Longerbeam dst_col /= 2; 909cd98e85aSSteve Longerbeam 910cd98e85aSSteve Longerbeam return dst_row * d_image->num_cols + dst_col; 911cd98e85aSSteve Longerbeam } 912cd98e85aSSteve Longerbeam 913cd98e85aSSteve Longerbeam /* 914cd98e85aSSteve Longerbeam * Fill the out_tile_map[] with transformed destination tile indeces. 915cd98e85aSSteve Longerbeam */ 916cd98e85aSSteve Longerbeam static void calc_out_tile_map(struct ipu_image_convert_ctx *ctx) 917cd98e85aSSteve Longerbeam { 918cd98e85aSSteve Longerbeam struct ipu_image_convert_image *s_image = &ctx->in; 919cd98e85aSSteve Longerbeam unsigned int row, col, tile = 0; 920cd98e85aSSteve Longerbeam 921cd98e85aSSteve Longerbeam for (row = 0; row < s_image->num_rows; row++) { 922cd98e85aSSteve Longerbeam for (col = 0; col < s_image->num_cols; col++) { 923cd98e85aSSteve Longerbeam ctx->out_tile_map[tile] = 924cd98e85aSSteve Longerbeam transform_tile_index(ctx, row, col); 925cd98e85aSSteve Longerbeam tile++; 926cd98e85aSSteve Longerbeam } 927cd98e85aSSteve Longerbeam } 928cd98e85aSSteve Longerbeam } 929cd98e85aSSteve Longerbeam 930c4e45658SSteve Longerbeam static int calc_tile_offsets_planar(struct ipu_image_convert_ctx *ctx, 931cd98e85aSSteve Longerbeam struct ipu_image_convert_image *image) 932cd98e85aSSteve Longerbeam { 933cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 934cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 935cd98e85aSSteve Longerbeam const struct ipu_image_pixfmt *fmt = image->fmt; 936cd98e85aSSteve Longerbeam unsigned int row, col, tile = 0; 937571dd82cSPhilipp Zabel u32 H, top, y_stride, uv_stride; 938cd98e85aSSteve Longerbeam u32 uv_row_off, uv_col_off, uv_off, u_off, v_off, tmp; 939cd98e85aSSteve Longerbeam u32 y_row_off, y_col_off, y_off; 940cd98e85aSSteve Longerbeam u32 y_size, uv_size; 941cd98e85aSSteve Longerbeam 942cd98e85aSSteve Longerbeam /* setup some convenience vars */ 943cd98e85aSSteve Longerbeam H = image->base.pix.height; 944cd98e85aSSteve Longerbeam 945cd98e85aSSteve Longerbeam y_stride = image->stride; 946cd98e85aSSteve Longerbeam uv_stride = y_stride / fmt->uv_width_dec; 947cd98e85aSSteve Longerbeam if (fmt->uv_packed) 948cd98e85aSSteve Longerbeam uv_stride *= 2; 949cd98e85aSSteve Longerbeam 950cd98e85aSSteve Longerbeam y_size = H * y_stride; 951cd98e85aSSteve Longerbeam uv_size = y_size / (fmt->uv_width_dec * fmt->uv_height_dec); 952cd98e85aSSteve Longerbeam 953cd98e85aSSteve Longerbeam for (row = 0; row < image->num_rows; row++) { 954571dd82cSPhilipp Zabel top = image->tile[tile].top; 955571dd82cSPhilipp Zabel y_row_off = top * y_stride; 956571dd82cSPhilipp Zabel uv_row_off = (top * uv_stride) / fmt->uv_height_dec; 957cd98e85aSSteve Longerbeam 958cd98e85aSSteve Longerbeam for (col = 0; col < image->num_cols; col++) { 959571dd82cSPhilipp Zabel y_col_off = image->tile[tile].left; 960cd98e85aSSteve Longerbeam uv_col_off = y_col_off / fmt->uv_width_dec; 961cd98e85aSSteve Longerbeam if (fmt->uv_packed) 962cd98e85aSSteve Longerbeam uv_col_off *= 2; 963cd98e85aSSteve Longerbeam 964cd98e85aSSteve Longerbeam y_off = y_row_off + y_col_off; 965cd98e85aSSteve Longerbeam uv_off = uv_row_off + uv_col_off; 966cd98e85aSSteve Longerbeam 967cd98e85aSSteve Longerbeam u_off = y_size - y_off + uv_off; 968cd98e85aSSteve Longerbeam v_off = (fmt->uv_packed) ? 0 : u_off + uv_size; 969cd98e85aSSteve Longerbeam if (fmt->uv_swapped) { 970cd98e85aSSteve Longerbeam tmp = u_off; 971cd98e85aSSteve Longerbeam u_off = v_off; 972cd98e85aSSteve Longerbeam v_off = tmp; 973cd98e85aSSteve Longerbeam } 974cd98e85aSSteve Longerbeam 975cd98e85aSSteve Longerbeam image->tile[tile].offset = y_off; 976cd98e85aSSteve Longerbeam image->tile[tile].u_off = u_off; 977cd98e85aSSteve Longerbeam image->tile[tile++].v_off = v_off; 978cd98e85aSSteve Longerbeam 979c4e45658SSteve Longerbeam if ((y_off & 0x7) || (u_off & 0x7) || (v_off & 0x7)) { 980c4e45658SSteve Longerbeam dev_err(priv->ipu->dev, 981c4e45658SSteve Longerbeam "task %u: ctx %p: %s@[%d,%d]: " 982c4e45658SSteve Longerbeam "y_off %08x, u_off %08x, v_off %08x\n", 983cd98e85aSSteve Longerbeam chan->ic_task, ctx, 984cd98e85aSSteve Longerbeam image->type == IMAGE_CONVERT_IN ? 985cd98e85aSSteve Longerbeam "Input" : "Output", row, col, 986cd98e85aSSteve Longerbeam y_off, u_off, v_off); 987c4e45658SSteve Longerbeam return -EINVAL; 988cd98e85aSSteve Longerbeam } 989cd98e85aSSteve Longerbeam } 990cd98e85aSSteve Longerbeam } 991cd98e85aSSteve Longerbeam 992c4e45658SSteve Longerbeam return 0; 993c4e45658SSteve Longerbeam } 994c4e45658SSteve Longerbeam 995c4e45658SSteve Longerbeam static int calc_tile_offsets_packed(struct ipu_image_convert_ctx *ctx, 996cd98e85aSSteve Longerbeam struct ipu_image_convert_image *image) 997cd98e85aSSteve Longerbeam { 998cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 999cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 1000cd98e85aSSteve Longerbeam const struct ipu_image_pixfmt *fmt = image->fmt; 1001cd98e85aSSteve Longerbeam unsigned int row, col, tile = 0; 1002571dd82cSPhilipp Zabel u32 bpp, stride, offset; 1003cd98e85aSSteve Longerbeam u32 row_off, col_off; 1004cd98e85aSSteve Longerbeam 1005cd98e85aSSteve Longerbeam /* setup some convenience vars */ 1006cd98e85aSSteve Longerbeam stride = image->stride; 1007cd98e85aSSteve Longerbeam bpp = fmt->bpp; 1008cd98e85aSSteve Longerbeam 1009cd98e85aSSteve Longerbeam for (row = 0; row < image->num_rows; row++) { 1010571dd82cSPhilipp Zabel row_off = image->tile[tile].top * stride; 1011cd98e85aSSteve Longerbeam 1012cd98e85aSSteve Longerbeam for (col = 0; col < image->num_cols; col++) { 1013571dd82cSPhilipp Zabel col_off = (image->tile[tile].left * bpp) >> 3; 1014cd98e85aSSteve Longerbeam 1015c4e45658SSteve Longerbeam offset = row_off + col_off; 1016c4e45658SSteve Longerbeam 1017c4e45658SSteve Longerbeam image->tile[tile].offset = offset; 1018cd98e85aSSteve Longerbeam image->tile[tile].u_off = 0; 1019cd98e85aSSteve Longerbeam image->tile[tile++].v_off = 0; 1020cd98e85aSSteve Longerbeam 1021c4e45658SSteve Longerbeam if (offset & 0x7) { 1022c4e45658SSteve Longerbeam dev_err(priv->ipu->dev, 1023c4e45658SSteve Longerbeam "task %u: ctx %p: %s@[%d,%d]: " 1024c4e45658SSteve Longerbeam "phys %08x\n", 1025cd98e85aSSteve Longerbeam chan->ic_task, ctx, 1026cd98e85aSSteve Longerbeam image->type == IMAGE_CONVERT_IN ? 1027cd98e85aSSteve Longerbeam "Input" : "Output", row, col, 1028cd98e85aSSteve Longerbeam row_off + col_off); 1029c4e45658SSteve Longerbeam return -EINVAL; 1030cd98e85aSSteve Longerbeam } 1031cd98e85aSSteve Longerbeam } 1032cd98e85aSSteve Longerbeam } 1033cd98e85aSSteve Longerbeam 1034c4e45658SSteve Longerbeam return 0; 1035c4e45658SSteve Longerbeam } 1036c4e45658SSteve Longerbeam 1037c4e45658SSteve Longerbeam static int calc_tile_offsets(struct ipu_image_convert_ctx *ctx, 1038cd98e85aSSteve Longerbeam struct ipu_image_convert_image *image) 1039cd98e85aSSteve Longerbeam { 1040cd98e85aSSteve Longerbeam if (image->fmt->planar) 1041c4e45658SSteve Longerbeam return calc_tile_offsets_planar(ctx, image); 1042c4e45658SSteve Longerbeam 1043c4e45658SSteve Longerbeam return calc_tile_offsets_packed(ctx, image); 1044cd98e85aSSteve Longerbeam } 1045cd98e85aSSteve Longerbeam 1046cd98e85aSSteve Longerbeam /* 104770b9b6b3SPhilipp Zabel * Calculate the resizing ratio for the IC main processing section given input 104870b9b6b3SPhilipp Zabel * size, fixed downsizing coefficient, and output size. 104970b9b6b3SPhilipp Zabel * Either round to closest for the next tile's first pixel to minimize seams 105070b9b6b3SPhilipp Zabel * and distortion (for all but right column / bottom row), or round down to 105170b9b6b3SPhilipp Zabel * avoid sampling beyond the edges of the input image for this tile's last 105270b9b6b3SPhilipp Zabel * pixel. 105370b9b6b3SPhilipp Zabel * Returns the resizing coefficient, resizing ratio is 8192.0 / resize_coeff. 105470b9b6b3SPhilipp Zabel */ 105570b9b6b3SPhilipp Zabel static u32 calc_resize_coeff(u32 input_size, u32 downsize_coeff, 105670b9b6b3SPhilipp Zabel u32 output_size, bool allow_overshoot) 105770b9b6b3SPhilipp Zabel { 105870b9b6b3SPhilipp Zabel u32 downsized = input_size >> downsize_coeff; 105970b9b6b3SPhilipp Zabel 106070b9b6b3SPhilipp Zabel if (allow_overshoot) 106170b9b6b3SPhilipp Zabel return DIV_ROUND_CLOSEST(8192 * downsized, output_size); 106270b9b6b3SPhilipp Zabel else 106370b9b6b3SPhilipp Zabel return 8192 * (downsized - 1) / (output_size - 1); 106470b9b6b3SPhilipp Zabel } 106570b9b6b3SPhilipp Zabel 106670b9b6b3SPhilipp Zabel /* 106770b9b6b3SPhilipp Zabel * Slightly modify resize coefficients per tile to hide the bilinear 106870b9b6b3SPhilipp Zabel * interpolator reset at tile borders, shifting the right / bottom edge 106970b9b6b3SPhilipp Zabel * by up to a half input pixel. This removes noticeable seams between 107070b9b6b3SPhilipp Zabel * tiles at higher upscaling factors. 107170b9b6b3SPhilipp Zabel */ 107270b9b6b3SPhilipp Zabel static void calc_tile_resize_coefficients(struct ipu_image_convert_ctx *ctx) 107370b9b6b3SPhilipp Zabel { 107470b9b6b3SPhilipp Zabel struct ipu_image_convert_chan *chan = ctx->chan; 107570b9b6b3SPhilipp Zabel struct ipu_image_convert_priv *priv = chan->priv; 107670b9b6b3SPhilipp Zabel struct ipu_image_tile *in_tile, *out_tile; 107770b9b6b3SPhilipp Zabel unsigned int col, row, tile_idx; 107870b9b6b3SPhilipp Zabel unsigned int last_output; 107970b9b6b3SPhilipp Zabel 108070b9b6b3SPhilipp Zabel for (col = 0; col < ctx->in.num_cols; col++) { 108170b9b6b3SPhilipp Zabel bool closest = (col < ctx->in.num_cols - 1) && 108270b9b6b3SPhilipp Zabel !(ctx->rot_mode & IPU_ROT_BIT_HFLIP); 108370b9b6b3SPhilipp Zabel u32 resized_width; 108470b9b6b3SPhilipp Zabel u32 resize_coeff_h; 108570b9b6b3SPhilipp Zabel 108670b9b6b3SPhilipp Zabel tile_idx = col; 108770b9b6b3SPhilipp Zabel in_tile = &ctx->in.tile[tile_idx]; 108870b9b6b3SPhilipp Zabel out_tile = &ctx->out.tile[ctx->out_tile_map[tile_idx]]; 108970b9b6b3SPhilipp Zabel 109070b9b6b3SPhilipp Zabel if (ipu_rot_mode_is_irt(ctx->rot_mode)) 109170b9b6b3SPhilipp Zabel resized_width = out_tile->height; 109270b9b6b3SPhilipp Zabel else 109370b9b6b3SPhilipp Zabel resized_width = out_tile->width; 109470b9b6b3SPhilipp Zabel 109570b9b6b3SPhilipp Zabel resize_coeff_h = calc_resize_coeff(in_tile->width, 109670b9b6b3SPhilipp Zabel ctx->downsize_coeff_h, 109770b9b6b3SPhilipp Zabel resized_width, closest); 109870b9b6b3SPhilipp Zabel 109970b9b6b3SPhilipp Zabel dev_dbg(priv->ipu->dev, "%s: column %u hscale: *8192/%u\n", 110070b9b6b3SPhilipp Zabel __func__, col, resize_coeff_h); 110170b9b6b3SPhilipp Zabel 110270b9b6b3SPhilipp Zabel 110370b9b6b3SPhilipp Zabel for (row = 0; row < ctx->in.num_rows; row++) { 110470b9b6b3SPhilipp Zabel tile_idx = row * ctx->in.num_cols + col; 110570b9b6b3SPhilipp Zabel in_tile = &ctx->in.tile[tile_idx]; 110670b9b6b3SPhilipp Zabel out_tile = &ctx->out.tile[ctx->out_tile_map[tile_idx]]; 110770b9b6b3SPhilipp Zabel 110870b9b6b3SPhilipp Zabel /* 110970b9b6b3SPhilipp Zabel * With the horizontal scaling factor known, round up 111070b9b6b3SPhilipp Zabel * resized width (output width or height) to burst size. 111170b9b6b3SPhilipp Zabel */ 111270b9b6b3SPhilipp Zabel if (ipu_rot_mode_is_irt(ctx->rot_mode)) 111370b9b6b3SPhilipp Zabel out_tile->height = round_up(resized_width, 8); 111470b9b6b3SPhilipp Zabel else 111570b9b6b3SPhilipp Zabel out_tile->width = round_up(resized_width, 8); 111670b9b6b3SPhilipp Zabel 111770b9b6b3SPhilipp Zabel /* 111870b9b6b3SPhilipp Zabel * Calculate input width from the last accessed input 111970b9b6b3SPhilipp Zabel * pixel given resized width and scaling coefficients. 112070b9b6b3SPhilipp Zabel * Round up to burst size. 112170b9b6b3SPhilipp Zabel */ 112270b9b6b3SPhilipp Zabel last_output = round_up(resized_width, 8) - 1; 112370b9b6b3SPhilipp Zabel if (closest) 112470b9b6b3SPhilipp Zabel last_output++; 112570b9b6b3SPhilipp Zabel in_tile->width = round_up( 112670b9b6b3SPhilipp Zabel (DIV_ROUND_UP(last_output * resize_coeff_h, 112770b9b6b3SPhilipp Zabel 8192) + 1) 112870b9b6b3SPhilipp Zabel << ctx->downsize_coeff_h, 8); 112970b9b6b3SPhilipp Zabel } 113070b9b6b3SPhilipp Zabel 113170b9b6b3SPhilipp Zabel ctx->resize_coeffs_h[col] = resize_coeff_h; 113270b9b6b3SPhilipp Zabel } 113370b9b6b3SPhilipp Zabel 113470b9b6b3SPhilipp Zabel for (row = 0; row < ctx->in.num_rows; row++) { 113570b9b6b3SPhilipp Zabel bool closest = (row < ctx->in.num_rows - 1) && 113670b9b6b3SPhilipp Zabel !(ctx->rot_mode & IPU_ROT_BIT_VFLIP); 113770b9b6b3SPhilipp Zabel u32 resized_height; 113870b9b6b3SPhilipp Zabel u32 resize_coeff_v; 113970b9b6b3SPhilipp Zabel 114070b9b6b3SPhilipp Zabel tile_idx = row * ctx->in.num_cols; 114170b9b6b3SPhilipp Zabel in_tile = &ctx->in.tile[tile_idx]; 114270b9b6b3SPhilipp Zabel out_tile = &ctx->out.tile[ctx->out_tile_map[tile_idx]]; 114370b9b6b3SPhilipp Zabel 114470b9b6b3SPhilipp Zabel if (ipu_rot_mode_is_irt(ctx->rot_mode)) 114570b9b6b3SPhilipp Zabel resized_height = out_tile->width; 114670b9b6b3SPhilipp Zabel else 114770b9b6b3SPhilipp Zabel resized_height = out_tile->height; 114870b9b6b3SPhilipp Zabel 114970b9b6b3SPhilipp Zabel resize_coeff_v = calc_resize_coeff(in_tile->height, 115070b9b6b3SPhilipp Zabel ctx->downsize_coeff_v, 115170b9b6b3SPhilipp Zabel resized_height, closest); 115270b9b6b3SPhilipp Zabel 115370b9b6b3SPhilipp Zabel dev_dbg(priv->ipu->dev, "%s: row %u vscale: *8192/%u\n", 115470b9b6b3SPhilipp Zabel __func__, row, resize_coeff_v); 115570b9b6b3SPhilipp Zabel 115670b9b6b3SPhilipp Zabel for (col = 0; col < ctx->in.num_cols; col++) { 115770b9b6b3SPhilipp Zabel tile_idx = row * ctx->in.num_cols + col; 115870b9b6b3SPhilipp Zabel in_tile = &ctx->in.tile[tile_idx]; 115970b9b6b3SPhilipp Zabel out_tile = &ctx->out.tile[ctx->out_tile_map[tile_idx]]; 116070b9b6b3SPhilipp Zabel 116170b9b6b3SPhilipp Zabel /* 116270b9b6b3SPhilipp Zabel * With the vertical scaling factor known, round up 116370b9b6b3SPhilipp Zabel * resized height (output width or height) to IDMAC 116470b9b6b3SPhilipp Zabel * limitations. 116570b9b6b3SPhilipp Zabel */ 116670b9b6b3SPhilipp Zabel if (ipu_rot_mode_is_irt(ctx->rot_mode)) 116770b9b6b3SPhilipp Zabel out_tile->width = round_up(resized_height, 2); 116870b9b6b3SPhilipp Zabel else 116970b9b6b3SPhilipp Zabel out_tile->height = round_up(resized_height, 2); 117070b9b6b3SPhilipp Zabel 117170b9b6b3SPhilipp Zabel /* 117270b9b6b3SPhilipp Zabel * Calculate input width from the last accessed input 117370b9b6b3SPhilipp Zabel * pixel given resized height and scaling coefficients. 117470b9b6b3SPhilipp Zabel * Align to IDMAC restrictions. 117570b9b6b3SPhilipp Zabel */ 117670b9b6b3SPhilipp Zabel last_output = round_up(resized_height, 2) - 1; 117770b9b6b3SPhilipp Zabel if (closest) 117870b9b6b3SPhilipp Zabel last_output++; 117970b9b6b3SPhilipp Zabel in_tile->height = round_up( 118070b9b6b3SPhilipp Zabel (DIV_ROUND_UP(last_output * resize_coeff_v, 118170b9b6b3SPhilipp Zabel 8192) + 1) 118270b9b6b3SPhilipp Zabel << ctx->downsize_coeff_v, 2); 118370b9b6b3SPhilipp Zabel } 118470b9b6b3SPhilipp Zabel 118570b9b6b3SPhilipp Zabel ctx->resize_coeffs_v[row] = resize_coeff_v; 118670b9b6b3SPhilipp Zabel } 118770b9b6b3SPhilipp Zabel } 118870b9b6b3SPhilipp Zabel 118970b9b6b3SPhilipp Zabel /* 1190cd98e85aSSteve Longerbeam * return the number of runs in given queue (pending_q or done_q) 1191cd98e85aSSteve Longerbeam * for this context. hold irqlock when calling. 1192cd98e85aSSteve Longerbeam */ 1193cd98e85aSSteve Longerbeam static int get_run_count(struct ipu_image_convert_ctx *ctx, 1194cd98e85aSSteve Longerbeam struct list_head *q) 1195cd98e85aSSteve Longerbeam { 1196cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run; 1197cd98e85aSSteve Longerbeam int count = 0; 1198cd98e85aSSteve Longerbeam 1199cd98e85aSSteve Longerbeam lockdep_assert_held(&ctx->chan->irqlock); 1200cd98e85aSSteve Longerbeam 1201cd98e85aSSteve Longerbeam list_for_each_entry(run, q, list) { 1202cd98e85aSSteve Longerbeam if (run->ctx == ctx) 1203cd98e85aSSteve Longerbeam count++; 1204cd98e85aSSteve Longerbeam } 1205cd98e85aSSteve Longerbeam 1206cd98e85aSSteve Longerbeam return count; 1207cd98e85aSSteve Longerbeam } 1208cd98e85aSSteve Longerbeam 1209cd98e85aSSteve Longerbeam static void convert_stop(struct ipu_image_convert_run *run) 1210cd98e85aSSteve Longerbeam { 1211cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx = run->ctx; 1212cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 1213cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 1214cd98e85aSSteve Longerbeam 1215cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, "%s: task %u: stopping ctx %p run %p\n", 1216cd98e85aSSteve Longerbeam __func__, chan->ic_task, ctx, run); 1217cd98e85aSSteve Longerbeam 1218cd98e85aSSteve Longerbeam /* disable IC tasks and the channels */ 1219cd98e85aSSteve Longerbeam ipu_ic_task_disable(chan->ic); 1220cd98e85aSSteve Longerbeam ipu_idmac_disable_channel(chan->in_chan); 1221cd98e85aSSteve Longerbeam ipu_idmac_disable_channel(chan->out_chan); 1222cd98e85aSSteve Longerbeam 1223cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 1224cd98e85aSSteve Longerbeam ipu_idmac_disable_channel(chan->rotation_in_chan); 1225cd98e85aSSteve Longerbeam ipu_idmac_disable_channel(chan->rotation_out_chan); 1226cd98e85aSSteve Longerbeam ipu_idmac_unlink(chan->out_chan, chan->rotation_in_chan); 1227cd98e85aSSteve Longerbeam } 1228cd98e85aSSteve Longerbeam 1229cd98e85aSSteve Longerbeam ipu_ic_disable(chan->ic); 1230cd98e85aSSteve Longerbeam } 1231cd98e85aSSteve Longerbeam 1232cd98e85aSSteve Longerbeam static void init_idmac_channel(struct ipu_image_convert_ctx *ctx, 1233cd98e85aSSteve Longerbeam struct ipuv3_channel *channel, 1234cd98e85aSSteve Longerbeam struct ipu_image_convert_image *image, 1235cd98e85aSSteve Longerbeam enum ipu_rotate_mode rot_mode, 1236dd65d2a9SPhilipp Zabel bool rot_swap_width_height, 1237dd65d2a9SPhilipp Zabel unsigned int tile) 1238cd98e85aSSteve Longerbeam { 1239cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 1240cd98e85aSSteve Longerbeam unsigned int burst_size; 1241cd98e85aSSteve Longerbeam u32 width, height, stride; 1242cd98e85aSSteve Longerbeam dma_addr_t addr0, addr1 = 0; 1243cd98e85aSSteve Longerbeam struct ipu_image tile_image; 1244cd98e85aSSteve Longerbeam unsigned int tile_idx[2]; 1245cd98e85aSSteve Longerbeam 1246cd98e85aSSteve Longerbeam if (image->type == IMAGE_CONVERT_OUT) { 1247dd65d2a9SPhilipp Zabel tile_idx[0] = ctx->out_tile_map[tile]; 1248cd98e85aSSteve Longerbeam tile_idx[1] = ctx->out_tile_map[1]; 1249cd98e85aSSteve Longerbeam } else { 1250dd65d2a9SPhilipp Zabel tile_idx[0] = tile; 1251cd98e85aSSteve Longerbeam tile_idx[1] = 1; 1252cd98e85aSSteve Longerbeam } 1253cd98e85aSSteve Longerbeam 1254cd98e85aSSteve Longerbeam if (rot_swap_width_height) { 1255dd65d2a9SPhilipp Zabel width = image->tile[tile_idx[0]].height; 1256dd65d2a9SPhilipp Zabel height = image->tile[tile_idx[0]].width; 1257dd65d2a9SPhilipp Zabel stride = image->tile[tile_idx[0]].rot_stride; 1258cd98e85aSSteve Longerbeam addr0 = ctx->rot_intermediate[0].phys; 1259cd98e85aSSteve Longerbeam if (ctx->double_buffering) 1260cd98e85aSSteve Longerbeam addr1 = ctx->rot_intermediate[1].phys; 1261cd98e85aSSteve Longerbeam } else { 1262dd65d2a9SPhilipp Zabel width = image->tile[tile_idx[0]].width; 1263dd65d2a9SPhilipp Zabel height = image->tile[tile_idx[0]].height; 1264cd98e85aSSteve Longerbeam stride = image->stride; 1265cd98e85aSSteve Longerbeam addr0 = image->base.phys0 + 1266cd98e85aSSteve Longerbeam image->tile[tile_idx[0]].offset; 1267cd98e85aSSteve Longerbeam if (ctx->double_buffering) 1268cd98e85aSSteve Longerbeam addr1 = image->base.phys0 + 1269cd98e85aSSteve Longerbeam image->tile[tile_idx[1]].offset; 1270cd98e85aSSteve Longerbeam } 1271cd98e85aSSteve Longerbeam 1272cd98e85aSSteve Longerbeam ipu_cpmem_zero(channel); 1273cd98e85aSSteve Longerbeam 1274cd98e85aSSteve Longerbeam memset(&tile_image, 0, sizeof(tile_image)); 1275cd98e85aSSteve Longerbeam tile_image.pix.width = tile_image.rect.width = width; 1276cd98e85aSSteve Longerbeam tile_image.pix.height = tile_image.rect.height = height; 1277cd98e85aSSteve Longerbeam tile_image.pix.bytesperline = stride; 1278cd98e85aSSteve Longerbeam tile_image.pix.pixelformat = image->fmt->fourcc; 1279cd98e85aSSteve Longerbeam tile_image.phys0 = addr0; 1280cd98e85aSSteve Longerbeam tile_image.phys1 = addr1; 1281dec408fdSSteve Longerbeam if (image->fmt->planar && !rot_swap_width_height) { 1282dec408fdSSteve Longerbeam tile_image.u_offset = image->tile[tile_idx[0]].u_off; 1283dec408fdSSteve Longerbeam tile_image.v_offset = image->tile[tile_idx[0]].v_off; 1284dec408fdSSteve Longerbeam } 1285cd98e85aSSteve Longerbeam 1286dec408fdSSteve Longerbeam ipu_cpmem_set_image(channel, &tile_image); 1287cd98e85aSSteve Longerbeam 1288cd98e85aSSteve Longerbeam if (rot_mode) 1289cd98e85aSSteve Longerbeam ipu_cpmem_set_rotation(channel, rot_mode); 1290cd98e85aSSteve Longerbeam 1291fee77829SSteve Longerbeam /* 1292fee77829SSteve Longerbeam * Skip writing U and V components to odd rows in the output 1293fee77829SSteve Longerbeam * channels for planar 4:2:0. 1294fee77829SSteve Longerbeam */ 1295fee77829SSteve Longerbeam if ((channel == chan->out_chan || 1296fee77829SSteve Longerbeam channel == chan->rotation_out_chan) && 1297fee77829SSteve Longerbeam image->fmt->planar && image->fmt->uv_height_dec == 2) 1298fee77829SSteve Longerbeam ipu_cpmem_skip_odd_chroma_rows(channel); 1299fee77829SSteve Longerbeam 1300cd98e85aSSteve Longerbeam if (channel == chan->rotation_in_chan || 1301cd98e85aSSteve Longerbeam channel == chan->rotation_out_chan) { 1302cd98e85aSSteve Longerbeam burst_size = 8; 1303cd98e85aSSteve Longerbeam ipu_cpmem_set_block_mode(channel); 1304cd98e85aSSteve Longerbeam } else 1305cd98e85aSSteve Longerbeam burst_size = (width % 16) ? 8 : 16; 1306cd98e85aSSteve Longerbeam 1307cd98e85aSSteve Longerbeam ipu_cpmem_set_burstsize(channel, burst_size); 1308cd98e85aSSteve Longerbeam 1309cd98e85aSSteve Longerbeam ipu_ic_task_idma_init(chan->ic, channel, width, height, 1310cd98e85aSSteve Longerbeam burst_size, rot_mode); 1311cd98e85aSSteve Longerbeam 1312320a89adSLucas Stach /* 1313320a89adSLucas Stach * Setting a non-zero AXI ID collides with the PRG AXI snooping, so 1314320a89adSLucas Stach * only do this when there is no PRG present. 1315320a89adSLucas Stach */ 1316320a89adSLucas Stach if (!channel->ipu->prg_priv) 1317cd98e85aSSteve Longerbeam ipu_cpmem_set_axi_id(channel, 1); 1318cd98e85aSSteve Longerbeam 1319cd98e85aSSteve Longerbeam ipu_idmac_set_double_buffer(channel, ctx->double_buffering); 1320cd98e85aSSteve Longerbeam } 1321cd98e85aSSteve Longerbeam 1322dd65d2a9SPhilipp Zabel static int convert_start(struct ipu_image_convert_run *run, unsigned int tile) 1323cd98e85aSSteve Longerbeam { 1324cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx = run->ctx; 1325cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 1326cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 1327cd98e85aSSteve Longerbeam struct ipu_image_convert_image *s_image = &ctx->in; 1328cd98e85aSSteve Longerbeam struct ipu_image_convert_image *d_image = &ctx->out; 1329dd65d2a9SPhilipp Zabel unsigned int dst_tile = ctx->out_tile_map[tile]; 1330cd98e85aSSteve Longerbeam unsigned int dest_width, dest_height; 133170b9b6b3SPhilipp Zabel unsigned int col, row; 133270b9b6b3SPhilipp Zabel u32 rsc; 1333cd98e85aSSteve Longerbeam int ret; 1334cd98e85aSSteve Longerbeam 1335dd65d2a9SPhilipp Zabel dev_dbg(priv->ipu->dev, "%s: task %u: starting ctx %p run %p tile %u -> %u\n", 1336dd65d2a9SPhilipp Zabel __func__, chan->ic_task, ctx, run, tile, dst_tile); 1337cd98e85aSSteve Longerbeam 1338cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 1339cd98e85aSSteve Longerbeam /* swap width/height for resizer */ 1340dd65d2a9SPhilipp Zabel dest_width = d_image->tile[dst_tile].height; 1341dd65d2a9SPhilipp Zabel dest_height = d_image->tile[dst_tile].width; 1342cd98e85aSSteve Longerbeam } else { 1343dd65d2a9SPhilipp Zabel dest_width = d_image->tile[dst_tile].width; 1344dd65d2a9SPhilipp Zabel dest_height = d_image->tile[dst_tile].height; 1345cd98e85aSSteve Longerbeam } 1346cd98e85aSSteve Longerbeam 134770b9b6b3SPhilipp Zabel row = tile / s_image->num_cols; 134870b9b6b3SPhilipp Zabel col = tile % s_image->num_cols; 134970b9b6b3SPhilipp Zabel 135070b9b6b3SPhilipp Zabel rsc = (ctx->downsize_coeff_v << 30) | 135170b9b6b3SPhilipp Zabel (ctx->resize_coeffs_v[row] << 16) | 135270b9b6b3SPhilipp Zabel (ctx->downsize_coeff_h << 14) | 135370b9b6b3SPhilipp Zabel (ctx->resize_coeffs_h[col]); 135470b9b6b3SPhilipp Zabel 135570b9b6b3SPhilipp Zabel dev_dbg(priv->ipu->dev, "%s: %ux%u -> %ux%u (rsc = 0x%x)\n", 135670b9b6b3SPhilipp Zabel __func__, s_image->tile[tile].width, 135770b9b6b3SPhilipp Zabel s_image->tile[tile].height, dest_width, dest_height, rsc); 135870b9b6b3SPhilipp Zabel 1359cd98e85aSSteve Longerbeam /* setup the IC resizer and CSC */ 1360f208b26eSSteve Longerbeam ret = ipu_ic_task_init_rsc(chan->ic, &ctx->csc, 1361dd65d2a9SPhilipp Zabel s_image->tile[tile].width, 1362dd65d2a9SPhilipp Zabel s_image->tile[tile].height, 1363cd98e85aSSteve Longerbeam dest_width, 1364cd98e85aSSteve Longerbeam dest_height, 136570b9b6b3SPhilipp Zabel rsc); 1366cd98e85aSSteve Longerbeam if (ret) { 1367cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "ipu_ic_task_init failed, %d\n", ret); 1368cd98e85aSSteve Longerbeam return ret; 1369cd98e85aSSteve Longerbeam } 1370cd98e85aSSteve Longerbeam 1371cd98e85aSSteve Longerbeam /* init the source MEM-->IC PP IDMAC channel */ 1372cd98e85aSSteve Longerbeam init_idmac_channel(ctx, chan->in_chan, s_image, 1373dd65d2a9SPhilipp Zabel IPU_ROTATE_NONE, false, tile); 1374cd98e85aSSteve Longerbeam 1375cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 1376cd98e85aSSteve Longerbeam /* init the IC PP-->MEM IDMAC channel */ 1377cd98e85aSSteve Longerbeam init_idmac_channel(ctx, chan->out_chan, d_image, 1378dd65d2a9SPhilipp Zabel IPU_ROTATE_NONE, true, tile); 1379cd98e85aSSteve Longerbeam 1380cd98e85aSSteve Longerbeam /* init the MEM-->IC PP ROT IDMAC channel */ 1381cd98e85aSSteve Longerbeam init_idmac_channel(ctx, chan->rotation_in_chan, d_image, 1382dd65d2a9SPhilipp Zabel ctx->rot_mode, true, tile); 1383cd98e85aSSteve Longerbeam 1384cd98e85aSSteve Longerbeam /* init the destination IC PP ROT-->MEM IDMAC channel */ 1385cd98e85aSSteve Longerbeam init_idmac_channel(ctx, chan->rotation_out_chan, d_image, 1386dd65d2a9SPhilipp Zabel IPU_ROTATE_NONE, false, tile); 1387cd98e85aSSteve Longerbeam 1388cd98e85aSSteve Longerbeam /* now link IC PP-->MEM to MEM-->IC PP ROT */ 1389cd98e85aSSteve Longerbeam ipu_idmac_link(chan->out_chan, chan->rotation_in_chan); 1390cd98e85aSSteve Longerbeam } else { 1391cd98e85aSSteve Longerbeam /* init the destination IC PP-->MEM IDMAC channel */ 1392cd98e85aSSteve Longerbeam init_idmac_channel(ctx, chan->out_chan, d_image, 1393dd65d2a9SPhilipp Zabel ctx->rot_mode, false, tile); 1394cd98e85aSSteve Longerbeam } 1395cd98e85aSSteve Longerbeam 1396cd98e85aSSteve Longerbeam /* enable the IC */ 1397cd98e85aSSteve Longerbeam ipu_ic_enable(chan->ic); 1398cd98e85aSSteve Longerbeam 1399cd98e85aSSteve Longerbeam /* set buffers ready */ 1400cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->in_chan, 0); 1401cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->out_chan, 0); 1402cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) 1403cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->rotation_out_chan, 0); 1404cd98e85aSSteve Longerbeam if (ctx->double_buffering) { 1405cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->in_chan, 1); 1406cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->out_chan, 1); 1407cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) 1408cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->rotation_out_chan, 1); 1409cd98e85aSSteve Longerbeam } 1410cd98e85aSSteve Longerbeam 1411cd98e85aSSteve Longerbeam /* enable the channels! */ 1412cd98e85aSSteve Longerbeam ipu_idmac_enable_channel(chan->in_chan); 1413cd98e85aSSteve Longerbeam ipu_idmac_enable_channel(chan->out_chan); 1414cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 1415cd98e85aSSteve Longerbeam ipu_idmac_enable_channel(chan->rotation_in_chan); 1416cd98e85aSSteve Longerbeam ipu_idmac_enable_channel(chan->rotation_out_chan); 1417cd98e85aSSteve Longerbeam } 1418cd98e85aSSteve Longerbeam 1419cd98e85aSSteve Longerbeam ipu_ic_task_enable(chan->ic); 1420cd98e85aSSteve Longerbeam 1421cd98e85aSSteve Longerbeam ipu_cpmem_dump(chan->in_chan); 1422cd98e85aSSteve Longerbeam ipu_cpmem_dump(chan->out_chan); 1423cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 1424cd98e85aSSteve Longerbeam ipu_cpmem_dump(chan->rotation_in_chan); 1425cd98e85aSSteve Longerbeam ipu_cpmem_dump(chan->rotation_out_chan); 1426cd98e85aSSteve Longerbeam } 1427cd98e85aSSteve Longerbeam 1428cd98e85aSSteve Longerbeam ipu_dump(priv->ipu); 1429cd98e85aSSteve Longerbeam 1430cd98e85aSSteve Longerbeam return 0; 1431cd98e85aSSteve Longerbeam } 1432cd98e85aSSteve Longerbeam 1433cd98e85aSSteve Longerbeam /* hold irqlock when calling */ 1434cd98e85aSSteve Longerbeam static int do_run(struct ipu_image_convert_run *run) 1435cd98e85aSSteve Longerbeam { 1436cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx = run->ctx; 1437cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 1438cd98e85aSSteve Longerbeam 1439cd98e85aSSteve Longerbeam lockdep_assert_held(&chan->irqlock); 1440cd98e85aSSteve Longerbeam 1441cd98e85aSSteve Longerbeam ctx->in.base.phys0 = run->in_phys; 1442cd98e85aSSteve Longerbeam ctx->out.base.phys0 = run->out_phys; 1443cd98e85aSSteve Longerbeam 1444cd98e85aSSteve Longerbeam ctx->cur_buf_num = 0; 1445cd98e85aSSteve Longerbeam ctx->next_tile = 1; 1446cd98e85aSSteve Longerbeam 1447cd98e85aSSteve Longerbeam /* remove run from pending_q and set as current */ 1448cd98e85aSSteve Longerbeam list_del(&run->list); 1449cd98e85aSSteve Longerbeam chan->current_run = run; 1450cd98e85aSSteve Longerbeam 1451dd65d2a9SPhilipp Zabel return convert_start(run, 0); 1452cd98e85aSSteve Longerbeam } 1453cd98e85aSSteve Longerbeam 1454cd98e85aSSteve Longerbeam /* hold irqlock when calling */ 1455cd98e85aSSteve Longerbeam static void run_next(struct ipu_image_convert_chan *chan) 1456cd98e85aSSteve Longerbeam { 1457cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 1458cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run, *tmp; 1459cd98e85aSSteve Longerbeam int ret; 1460cd98e85aSSteve Longerbeam 1461cd98e85aSSteve Longerbeam lockdep_assert_held(&chan->irqlock); 1462cd98e85aSSteve Longerbeam 1463cd98e85aSSteve Longerbeam list_for_each_entry_safe(run, tmp, &chan->pending_q, list) { 1464cd98e85aSSteve Longerbeam /* skip contexts that are aborting */ 1465cd98e85aSSteve Longerbeam if (run->ctx->aborting) { 1466cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, 1467cd98e85aSSteve Longerbeam "%s: task %u: skipping aborting ctx %p run %p\n", 1468cd98e85aSSteve Longerbeam __func__, chan->ic_task, run->ctx, run); 1469cd98e85aSSteve Longerbeam continue; 1470cd98e85aSSteve Longerbeam } 1471cd98e85aSSteve Longerbeam 1472cd98e85aSSteve Longerbeam ret = do_run(run); 1473cd98e85aSSteve Longerbeam if (!ret) 1474cd98e85aSSteve Longerbeam break; 1475cd98e85aSSteve Longerbeam 1476cd98e85aSSteve Longerbeam /* 1477cd98e85aSSteve Longerbeam * something went wrong with start, add the run 1478cd98e85aSSteve Longerbeam * to done q and continue to the next run in the 1479cd98e85aSSteve Longerbeam * pending q. 1480cd98e85aSSteve Longerbeam */ 1481cd98e85aSSteve Longerbeam run->status = ret; 1482cd98e85aSSteve Longerbeam list_add_tail(&run->list, &chan->done_q); 1483cd98e85aSSteve Longerbeam chan->current_run = NULL; 1484cd98e85aSSteve Longerbeam } 1485cd98e85aSSteve Longerbeam } 1486cd98e85aSSteve Longerbeam 1487cd98e85aSSteve Longerbeam static void empty_done_q(struct ipu_image_convert_chan *chan) 1488cd98e85aSSteve Longerbeam { 1489cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 1490cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run; 1491cd98e85aSSteve Longerbeam unsigned long flags; 1492cd98e85aSSteve Longerbeam 1493cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 1494cd98e85aSSteve Longerbeam 1495cd98e85aSSteve Longerbeam while (!list_empty(&chan->done_q)) { 1496cd98e85aSSteve Longerbeam run = list_entry(chan->done_q.next, 1497cd98e85aSSteve Longerbeam struct ipu_image_convert_run, 1498cd98e85aSSteve Longerbeam list); 1499cd98e85aSSteve Longerbeam 1500cd98e85aSSteve Longerbeam list_del(&run->list); 1501cd98e85aSSteve Longerbeam 1502cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, 1503cd98e85aSSteve Longerbeam "%s: task %u: completing ctx %p run %p with %d\n", 1504cd98e85aSSteve Longerbeam __func__, chan->ic_task, run->ctx, run, run->status); 1505cd98e85aSSteve Longerbeam 1506cd98e85aSSteve Longerbeam /* call the completion callback and free the run */ 1507cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1508cd98e85aSSteve Longerbeam run->ctx->complete(run, run->ctx->complete_context); 1509cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 1510cd98e85aSSteve Longerbeam } 1511cd98e85aSSteve Longerbeam 1512cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1513cd98e85aSSteve Longerbeam } 1514cd98e85aSSteve Longerbeam 1515cd98e85aSSteve Longerbeam /* 1516cd98e85aSSteve Longerbeam * the bottom half thread clears out the done_q, calling the 1517cd98e85aSSteve Longerbeam * completion handler for each. 1518cd98e85aSSteve Longerbeam */ 1519cd98e85aSSteve Longerbeam static irqreturn_t do_bh(int irq, void *dev_id) 1520cd98e85aSSteve Longerbeam { 1521cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = dev_id; 1522cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 1523cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx; 1524cd98e85aSSteve Longerbeam unsigned long flags; 1525cd98e85aSSteve Longerbeam 1526cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, "%s: task %u: enter\n", __func__, 1527cd98e85aSSteve Longerbeam chan->ic_task); 1528cd98e85aSSteve Longerbeam 1529cd98e85aSSteve Longerbeam empty_done_q(chan); 1530cd98e85aSSteve Longerbeam 1531cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 1532cd98e85aSSteve Longerbeam 1533cd98e85aSSteve Longerbeam /* 1534cd98e85aSSteve Longerbeam * the done_q is cleared out, signal any contexts 1535cd98e85aSSteve Longerbeam * that are aborting that abort can complete. 1536cd98e85aSSteve Longerbeam */ 1537cd98e85aSSteve Longerbeam list_for_each_entry(ctx, &chan->ctx_list, list) { 1538cd98e85aSSteve Longerbeam if (ctx->aborting) { 1539cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, 1540cd98e85aSSteve Longerbeam "%s: task %u: signaling abort for ctx %p\n", 1541cd98e85aSSteve Longerbeam __func__, chan->ic_task, ctx); 1542aa60b261SSteve Longerbeam complete_all(&ctx->aborted); 1543cd98e85aSSteve Longerbeam } 1544cd98e85aSSteve Longerbeam } 1545cd98e85aSSteve Longerbeam 1546cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1547cd98e85aSSteve Longerbeam 1548cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, "%s: task %u: exit\n", __func__, 1549cd98e85aSSteve Longerbeam chan->ic_task); 1550cd98e85aSSteve Longerbeam 1551cd98e85aSSteve Longerbeam return IRQ_HANDLED; 1552cd98e85aSSteve Longerbeam } 1553cd98e85aSSteve Longerbeam 15540537db80SPhilipp Zabel static bool ic_settings_changed(struct ipu_image_convert_ctx *ctx) 15550537db80SPhilipp Zabel { 15560537db80SPhilipp Zabel unsigned int cur_tile = ctx->next_tile - 1; 15570537db80SPhilipp Zabel unsigned int next_tile = ctx->next_tile; 15580537db80SPhilipp Zabel 15590537db80SPhilipp Zabel if (ctx->resize_coeffs_h[cur_tile % ctx->in.num_cols] != 15600537db80SPhilipp Zabel ctx->resize_coeffs_h[next_tile % ctx->in.num_cols] || 15610537db80SPhilipp Zabel ctx->resize_coeffs_v[cur_tile / ctx->in.num_cols] != 15620537db80SPhilipp Zabel ctx->resize_coeffs_v[next_tile / ctx->in.num_cols] || 15630537db80SPhilipp Zabel ctx->in.tile[cur_tile].width != ctx->in.tile[next_tile].width || 15640537db80SPhilipp Zabel ctx->in.tile[cur_tile].height != ctx->in.tile[next_tile].height || 15650537db80SPhilipp Zabel ctx->out.tile[cur_tile].width != ctx->out.tile[next_tile].width || 15660537db80SPhilipp Zabel ctx->out.tile[cur_tile].height != ctx->out.tile[next_tile].height) 15670537db80SPhilipp Zabel return true; 15680537db80SPhilipp Zabel 15690537db80SPhilipp Zabel return false; 15700537db80SPhilipp Zabel } 15710537db80SPhilipp Zabel 1572cd98e85aSSteve Longerbeam /* hold irqlock when calling */ 1573cd98e85aSSteve Longerbeam static irqreturn_t do_irq(struct ipu_image_convert_run *run) 1574cd98e85aSSteve Longerbeam { 1575cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx = run->ctx; 1576cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 1577cd98e85aSSteve Longerbeam struct ipu_image_tile *src_tile, *dst_tile; 1578cd98e85aSSteve Longerbeam struct ipu_image_convert_image *s_image = &ctx->in; 1579cd98e85aSSteve Longerbeam struct ipu_image_convert_image *d_image = &ctx->out; 1580cd98e85aSSteve Longerbeam struct ipuv3_channel *outch; 1581cd98e85aSSteve Longerbeam unsigned int dst_idx; 1582cd98e85aSSteve Longerbeam 1583cd98e85aSSteve Longerbeam lockdep_assert_held(&chan->irqlock); 1584cd98e85aSSteve Longerbeam 1585cd98e85aSSteve Longerbeam outch = ipu_rot_mode_is_irt(ctx->rot_mode) ? 1586cd98e85aSSteve Longerbeam chan->rotation_out_chan : chan->out_chan; 1587cd98e85aSSteve Longerbeam 1588cd98e85aSSteve Longerbeam /* 1589cd98e85aSSteve Longerbeam * It is difficult to stop the channel DMA before the channels 1590cd98e85aSSteve Longerbeam * enter the paused state. Without double-buffering the channels 1591cd98e85aSSteve Longerbeam * are always in a paused state when the EOF irq occurs, so it 1592cd98e85aSSteve Longerbeam * is safe to stop the channels now. For double-buffering we 1593cd98e85aSSteve Longerbeam * just ignore the abort until the operation completes, when it 1594cd98e85aSSteve Longerbeam * is safe to shut down. 1595cd98e85aSSteve Longerbeam */ 1596cd98e85aSSteve Longerbeam if (ctx->aborting && !ctx->double_buffering) { 1597cd98e85aSSteve Longerbeam convert_stop(run); 1598cd98e85aSSteve Longerbeam run->status = -EIO; 1599cd98e85aSSteve Longerbeam goto done; 1600cd98e85aSSteve Longerbeam } 1601cd98e85aSSteve Longerbeam 1602cd98e85aSSteve Longerbeam if (ctx->next_tile == ctx->num_tiles) { 1603cd98e85aSSteve Longerbeam /* 1604cd98e85aSSteve Longerbeam * the conversion is complete 1605cd98e85aSSteve Longerbeam */ 1606cd98e85aSSteve Longerbeam convert_stop(run); 1607cd98e85aSSteve Longerbeam run->status = 0; 1608cd98e85aSSteve Longerbeam goto done; 1609cd98e85aSSteve Longerbeam } 1610cd98e85aSSteve Longerbeam 1611cd98e85aSSteve Longerbeam /* 1612cd98e85aSSteve Longerbeam * not done, place the next tile buffers. 1613cd98e85aSSteve Longerbeam */ 1614cd98e85aSSteve Longerbeam if (!ctx->double_buffering) { 16150537db80SPhilipp Zabel if (ic_settings_changed(ctx)) { 16160537db80SPhilipp Zabel convert_stop(run); 16170537db80SPhilipp Zabel convert_start(run, ctx->next_tile); 16180537db80SPhilipp Zabel } else { 1619cd98e85aSSteve Longerbeam src_tile = &s_image->tile[ctx->next_tile]; 1620cd98e85aSSteve Longerbeam dst_idx = ctx->out_tile_map[ctx->next_tile]; 1621cd98e85aSSteve Longerbeam dst_tile = &d_image->tile[dst_idx]; 1622cd98e85aSSteve Longerbeam 1623cd98e85aSSteve Longerbeam ipu_cpmem_set_buffer(chan->in_chan, 0, 16240537db80SPhilipp Zabel s_image->base.phys0 + 16250537db80SPhilipp Zabel src_tile->offset); 1626cd98e85aSSteve Longerbeam ipu_cpmem_set_buffer(outch, 0, 16270537db80SPhilipp Zabel d_image->base.phys0 + 16280537db80SPhilipp Zabel dst_tile->offset); 1629cd98e85aSSteve Longerbeam if (s_image->fmt->planar) 1630cd98e85aSSteve Longerbeam ipu_cpmem_set_uv_offset(chan->in_chan, 1631cd98e85aSSteve Longerbeam src_tile->u_off, 1632cd98e85aSSteve Longerbeam src_tile->v_off); 1633cd98e85aSSteve Longerbeam if (d_image->fmt->planar) 1634cd98e85aSSteve Longerbeam ipu_cpmem_set_uv_offset(outch, 1635cd98e85aSSteve Longerbeam dst_tile->u_off, 1636cd98e85aSSteve Longerbeam dst_tile->v_off); 1637cd98e85aSSteve Longerbeam 1638cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->in_chan, 0); 1639cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(outch, 0); 16400537db80SPhilipp Zabel } 1641cd98e85aSSteve Longerbeam } else if (ctx->next_tile < ctx->num_tiles - 1) { 1642cd98e85aSSteve Longerbeam 1643cd98e85aSSteve Longerbeam src_tile = &s_image->tile[ctx->next_tile + 1]; 1644cd98e85aSSteve Longerbeam dst_idx = ctx->out_tile_map[ctx->next_tile + 1]; 1645cd98e85aSSteve Longerbeam dst_tile = &d_image->tile[dst_idx]; 1646cd98e85aSSteve Longerbeam 1647cd98e85aSSteve Longerbeam ipu_cpmem_set_buffer(chan->in_chan, ctx->cur_buf_num, 1648cd98e85aSSteve Longerbeam s_image->base.phys0 + src_tile->offset); 1649cd98e85aSSteve Longerbeam ipu_cpmem_set_buffer(outch, ctx->cur_buf_num, 1650cd98e85aSSteve Longerbeam d_image->base.phys0 + dst_tile->offset); 1651cd98e85aSSteve Longerbeam 1652cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->in_chan, ctx->cur_buf_num); 1653cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(outch, ctx->cur_buf_num); 1654cd98e85aSSteve Longerbeam 1655cd98e85aSSteve Longerbeam ctx->cur_buf_num ^= 1; 1656cd98e85aSSteve Longerbeam } 1657cd98e85aSSteve Longerbeam 1658cd98e85aSSteve Longerbeam ctx->next_tile++; 1659cd98e85aSSteve Longerbeam return IRQ_HANDLED; 1660cd98e85aSSteve Longerbeam done: 1661cd98e85aSSteve Longerbeam list_add_tail(&run->list, &chan->done_q); 1662cd98e85aSSteve Longerbeam chan->current_run = NULL; 1663cd98e85aSSteve Longerbeam run_next(chan); 1664cd98e85aSSteve Longerbeam return IRQ_WAKE_THREAD; 1665cd98e85aSSteve Longerbeam } 1666cd98e85aSSteve Longerbeam 1667cd98e85aSSteve Longerbeam static irqreturn_t norotate_irq(int irq, void *data) 1668cd98e85aSSteve Longerbeam { 1669cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = data; 1670cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx; 1671cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run; 1672cd98e85aSSteve Longerbeam unsigned long flags; 1673cd98e85aSSteve Longerbeam irqreturn_t ret; 1674cd98e85aSSteve Longerbeam 1675cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 1676cd98e85aSSteve Longerbeam 1677cd98e85aSSteve Longerbeam /* get current run and its context */ 1678cd98e85aSSteve Longerbeam run = chan->current_run; 1679cd98e85aSSteve Longerbeam if (!run) { 1680cd98e85aSSteve Longerbeam ret = IRQ_NONE; 1681cd98e85aSSteve Longerbeam goto out; 1682cd98e85aSSteve Longerbeam } 1683cd98e85aSSteve Longerbeam 1684cd98e85aSSteve Longerbeam ctx = run->ctx; 1685cd98e85aSSteve Longerbeam 1686cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 1687cd98e85aSSteve Longerbeam /* this is a rotation operation, just ignore */ 1688cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1689cd98e85aSSteve Longerbeam return IRQ_HANDLED; 1690cd98e85aSSteve Longerbeam } 1691cd98e85aSSteve Longerbeam 1692cd98e85aSSteve Longerbeam ret = do_irq(run); 1693cd98e85aSSteve Longerbeam out: 1694cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1695cd98e85aSSteve Longerbeam return ret; 1696cd98e85aSSteve Longerbeam } 1697cd98e85aSSteve Longerbeam 1698cd98e85aSSteve Longerbeam static irqreturn_t rotate_irq(int irq, void *data) 1699cd98e85aSSteve Longerbeam { 1700cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = data; 1701cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 1702cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx; 1703cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run; 1704cd98e85aSSteve Longerbeam unsigned long flags; 1705cd98e85aSSteve Longerbeam irqreturn_t ret; 1706cd98e85aSSteve Longerbeam 1707cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 1708cd98e85aSSteve Longerbeam 1709cd98e85aSSteve Longerbeam /* get current run and its context */ 1710cd98e85aSSteve Longerbeam run = chan->current_run; 1711cd98e85aSSteve Longerbeam if (!run) { 1712cd98e85aSSteve Longerbeam ret = IRQ_NONE; 1713cd98e85aSSteve Longerbeam goto out; 1714cd98e85aSSteve Longerbeam } 1715cd98e85aSSteve Longerbeam 1716cd98e85aSSteve Longerbeam ctx = run->ctx; 1717cd98e85aSSteve Longerbeam 1718cd98e85aSSteve Longerbeam if (!ipu_rot_mode_is_irt(ctx->rot_mode)) { 1719cd98e85aSSteve Longerbeam /* this was NOT a rotation operation, shouldn't happen */ 1720cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "Unexpected rotation interrupt\n"); 1721cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1722cd98e85aSSteve Longerbeam return IRQ_HANDLED; 1723cd98e85aSSteve Longerbeam } 1724cd98e85aSSteve Longerbeam 1725cd98e85aSSteve Longerbeam ret = do_irq(run); 1726cd98e85aSSteve Longerbeam out: 1727cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1728cd98e85aSSteve Longerbeam return ret; 1729cd98e85aSSteve Longerbeam } 1730cd98e85aSSteve Longerbeam 1731cd98e85aSSteve Longerbeam /* 1732cd98e85aSSteve Longerbeam * try to force the completion of runs for this ctx. Called when 1733cd98e85aSSteve Longerbeam * abort wait times out in ipu_image_convert_abort(). 1734cd98e85aSSteve Longerbeam */ 1735cd98e85aSSteve Longerbeam static void force_abort(struct ipu_image_convert_ctx *ctx) 1736cd98e85aSSteve Longerbeam { 1737cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 1738cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run; 1739cd98e85aSSteve Longerbeam unsigned long flags; 1740cd98e85aSSteve Longerbeam 1741cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 1742cd98e85aSSteve Longerbeam 1743cd98e85aSSteve Longerbeam run = chan->current_run; 1744cd98e85aSSteve Longerbeam if (run && run->ctx == ctx) { 1745cd98e85aSSteve Longerbeam convert_stop(run); 1746cd98e85aSSteve Longerbeam run->status = -EIO; 1747cd98e85aSSteve Longerbeam list_add_tail(&run->list, &chan->done_q); 1748cd98e85aSSteve Longerbeam chan->current_run = NULL; 1749cd98e85aSSteve Longerbeam run_next(chan); 1750cd98e85aSSteve Longerbeam } 1751cd98e85aSSteve Longerbeam 1752cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1753cd98e85aSSteve Longerbeam 1754cd98e85aSSteve Longerbeam empty_done_q(chan); 1755cd98e85aSSteve Longerbeam } 1756cd98e85aSSteve Longerbeam 1757cd98e85aSSteve Longerbeam static void release_ipu_resources(struct ipu_image_convert_chan *chan) 1758cd98e85aSSteve Longerbeam { 1759cd98e85aSSteve Longerbeam if (chan->out_eof_irq >= 0) 1760cd98e85aSSteve Longerbeam free_irq(chan->out_eof_irq, chan); 1761cd98e85aSSteve Longerbeam if (chan->rot_out_eof_irq >= 0) 1762cd98e85aSSteve Longerbeam free_irq(chan->rot_out_eof_irq, chan); 1763cd98e85aSSteve Longerbeam 1764cd98e85aSSteve Longerbeam if (!IS_ERR_OR_NULL(chan->in_chan)) 1765cd98e85aSSteve Longerbeam ipu_idmac_put(chan->in_chan); 1766cd98e85aSSteve Longerbeam if (!IS_ERR_OR_NULL(chan->out_chan)) 1767cd98e85aSSteve Longerbeam ipu_idmac_put(chan->out_chan); 1768cd98e85aSSteve Longerbeam if (!IS_ERR_OR_NULL(chan->rotation_in_chan)) 1769cd98e85aSSteve Longerbeam ipu_idmac_put(chan->rotation_in_chan); 1770cd98e85aSSteve Longerbeam if (!IS_ERR_OR_NULL(chan->rotation_out_chan)) 1771cd98e85aSSteve Longerbeam ipu_idmac_put(chan->rotation_out_chan); 1772cd98e85aSSteve Longerbeam if (!IS_ERR_OR_NULL(chan->ic)) 1773cd98e85aSSteve Longerbeam ipu_ic_put(chan->ic); 1774cd98e85aSSteve Longerbeam 1775cd98e85aSSteve Longerbeam chan->in_chan = chan->out_chan = chan->rotation_in_chan = 1776cd98e85aSSteve Longerbeam chan->rotation_out_chan = NULL; 1777cd98e85aSSteve Longerbeam chan->out_eof_irq = chan->rot_out_eof_irq = -1; 1778cd98e85aSSteve Longerbeam } 1779cd98e85aSSteve Longerbeam 1780cd98e85aSSteve Longerbeam static int get_ipu_resources(struct ipu_image_convert_chan *chan) 1781cd98e85aSSteve Longerbeam { 1782cd98e85aSSteve Longerbeam const struct ipu_image_convert_dma_chan *dma = chan->dma_ch; 1783cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 1784cd98e85aSSteve Longerbeam int ret; 1785cd98e85aSSteve Longerbeam 1786cd98e85aSSteve Longerbeam /* get IC */ 1787cd98e85aSSteve Longerbeam chan->ic = ipu_ic_get(priv->ipu, chan->ic_task); 1788cd98e85aSSteve Longerbeam if (IS_ERR(chan->ic)) { 1789cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "could not acquire IC\n"); 1790cd98e85aSSteve Longerbeam ret = PTR_ERR(chan->ic); 1791cd98e85aSSteve Longerbeam goto err; 1792cd98e85aSSteve Longerbeam } 1793cd98e85aSSteve Longerbeam 1794cd98e85aSSteve Longerbeam /* get IDMAC channels */ 1795cd98e85aSSteve Longerbeam chan->in_chan = ipu_idmac_get(priv->ipu, dma->in); 1796cd98e85aSSteve Longerbeam chan->out_chan = ipu_idmac_get(priv->ipu, dma->out); 1797cd98e85aSSteve Longerbeam if (IS_ERR(chan->in_chan) || IS_ERR(chan->out_chan)) { 1798cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "could not acquire idmac channels\n"); 1799cd98e85aSSteve Longerbeam ret = -EBUSY; 1800cd98e85aSSteve Longerbeam goto err; 1801cd98e85aSSteve Longerbeam } 1802cd98e85aSSteve Longerbeam 1803cd98e85aSSteve Longerbeam chan->rotation_in_chan = ipu_idmac_get(priv->ipu, dma->rot_in); 1804cd98e85aSSteve Longerbeam chan->rotation_out_chan = ipu_idmac_get(priv->ipu, dma->rot_out); 1805cd98e85aSSteve Longerbeam if (IS_ERR(chan->rotation_in_chan) || IS_ERR(chan->rotation_out_chan)) { 1806cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, 1807cd98e85aSSteve Longerbeam "could not acquire idmac rotation channels\n"); 1808cd98e85aSSteve Longerbeam ret = -EBUSY; 1809cd98e85aSSteve Longerbeam goto err; 1810cd98e85aSSteve Longerbeam } 1811cd98e85aSSteve Longerbeam 1812cd98e85aSSteve Longerbeam /* acquire the EOF interrupts */ 1813cd98e85aSSteve Longerbeam chan->out_eof_irq = ipu_idmac_channel_irq(priv->ipu, 1814cd98e85aSSteve Longerbeam chan->out_chan, 1815cd98e85aSSteve Longerbeam IPU_IRQ_EOF); 1816cd98e85aSSteve Longerbeam 1817cd98e85aSSteve Longerbeam ret = request_threaded_irq(chan->out_eof_irq, norotate_irq, do_bh, 1818cd98e85aSSteve Longerbeam 0, "ipu-ic", chan); 1819cd98e85aSSteve Longerbeam if (ret < 0) { 1820cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "could not acquire irq %d\n", 1821cd98e85aSSteve Longerbeam chan->out_eof_irq); 1822cd98e85aSSteve Longerbeam chan->out_eof_irq = -1; 1823cd98e85aSSteve Longerbeam goto err; 1824cd98e85aSSteve Longerbeam } 1825cd98e85aSSteve Longerbeam 1826cd98e85aSSteve Longerbeam chan->rot_out_eof_irq = ipu_idmac_channel_irq(priv->ipu, 1827cd98e85aSSteve Longerbeam chan->rotation_out_chan, 1828cd98e85aSSteve Longerbeam IPU_IRQ_EOF); 1829cd98e85aSSteve Longerbeam 1830cd98e85aSSteve Longerbeam ret = request_threaded_irq(chan->rot_out_eof_irq, rotate_irq, do_bh, 1831cd98e85aSSteve Longerbeam 0, "ipu-ic", chan); 1832cd98e85aSSteve Longerbeam if (ret < 0) { 1833cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "could not acquire irq %d\n", 1834cd98e85aSSteve Longerbeam chan->rot_out_eof_irq); 1835cd98e85aSSteve Longerbeam chan->rot_out_eof_irq = -1; 1836cd98e85aSSteve Longerbeam goto err; 1837cd98e85aSSteve Longerbeam } 1838cd98e85aSSteve Longerbeam 1839cd98e85aSSteve Longerbeam return 0; 1840cd98e85aSSteve Longerbeam err: 1841cd98e85aSSteve Longerbeam release_ipu_resources(chan); 1842cd98e85aSSteve Longerbeam return ret; 1843cd98e85aSSteve Longerbeam } 1844cd98e85aSSteve Longerbeam 1845cd98e85aSSteve Longerbeam static int fill_image(struct ipu_image_convert_ctx *ctx, 1846cd98e85aSSteve Longerbeam struct ipu_image_convert_image *ic_image, 1847cd98e85aSSteve Longerbeam struct ipu_image *image, 1848cd98e85aSSteve Longerbeam enum ipu_image_convert_type type) 1849cd98e85aSSteve Longerbeam { 1850cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = ctx->chan->priv; 1851cd98e85aSSteve Longerbeam 1852cd98e85aSSteve Longerbeam ic_image->base = *image; 1853cd98e85aSSteve Longerbeam ic_image->type = type; 1854cd98e85aSSteve Longerbeam 1855cd98e85aSSteve Longerbeam ic_image->fmt = get_format(image->pix.pixelformat); 1856cd98e85aSSteve Longerbeam if (!ic_image->fmt) { 1857cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "pixelformat not supported for %s\n", 1858cd98e85aSSteve Longerbeam type == IMAGE_CONVERT_OUT ? "Output" : "Input"); 1859cd98e85aSSteve Longerbeam return -EINVAL; 1860cd98e85aSSteve Longerbeam } 1861cd98e85aSSteve Longerbeam 1862cd98e85aSSteve Longerbeam if (ic_image->fmt->planar) 1863cd98e85aSSteve Longerbeam ic_image->stride = ic_image->base.pix.width; 1864cd98e85aSSteve Longerbeam else 1865cd98e85aSSteve Longerbeam ic_image->stride = ic_image->base.pix.bytesperline; 1866cd98e85aSSteve Longerbeam 186726ddd032SPhilipp Zabel return 0; 1868cd98e85aSSteve Longerbeam } 1869cd98e85aSSteve Longerbeam 1870cd98e85aSSteve Longerbeam /* borrowed from drivers/media/v4l2-core/v4l2-common.c */ 1871cd98e85aSSteve Longerbeam static unsigned int clamp_align(unsigned int x, unsigned int min, 1872cd98e85aSSteve Longerbeam unsigned int max, unsigned int align) 1873cd98e85aSSteve Longerbeam { 1874cd98e85aSSteve Longerbeam /* Bits that must be zero to be aligned */ 1875cd98e85aSSteve Longerbeam unsigned int mask = ~((1 << align) - 1); 1876cd98e85aSSteve Longerbeam 1877cd98e85aSSteve Longerbeam /* Clamp to aligned min and max */ 1878cd98e85aSSteve Longerbeam x = clamp(x, (min + ~mask) & mask, max & mask); 1879cd98e85aSSteve Longerbeam 1880cd98e85aSSteve Longerbeam /* Round to nearest aligned value */ 1881cd98e85aSSteve Longerbeam if (align) 1882cd98e85aSSteve Longerbeam x = (x + (1 << (align - 1))) & mask; 1883cd98e85aSSteve Longerbeam 1884cd98e85aSSteve Longerbeam return x; 1885cd98e85aSSteve Longerbeam } 1886cd98e85aSSteve Longerbeam 1887cd98e85aSSteve Longerbeam /* Adjusts input/output images to IPU restrictions */ 1888cd98e85aSSteve Longerbeam void ipu_image_convert_adjust(struct ipu_image *in, struct ipu_image *out, 1889cd98e85aSSteve Longerbeam enum ipu_rotate_mode rot_mode) 1890cd98e85aSSteve Longerbeam { 1891cd98e85aSSteve Longerbeam const struct ipu_image_pixfmt *infmt, *outfmt; 1892ff391ecdSSteve Longerbeam u32 w_align_out, h_align_out; 1893ff391ecdSSteve Longerbeam u32 w_align_in, h_align_in; 1894cd98e85aSSteve Longerbeam 1895cd98e85aSSteve Longerbeam infmt = get_format(in->pix.pixelformat); 1896cd98e85aSSteve Longerbeam outfmt = get_format(out->pix.pixelformat); 1897cd98e85aSSteve Longerbeam 1898cd98e85aSSteve Longerbeam /* set some default pixel formats if needed */ 1899cd98e85aSSteve Longerbeam if (!infmt) { 1900cd98e85aSSteve Longerbeam in->pix.pixelformat = V4L2_PIX_FMT_RGB24; 1901cd98e85aSSteve Longerbeam infmt = get_format(V4L2_PIX_FMT_RGB24); 1902cd98e85aSSteve Longerbeam } 1903cd98e85aSSteve Longerbeam if (!outfmt) { 1904cd98e85aSSteve Longerbeam out->pix.pixelformat = V4L2_PIX_FMT_RGB24; 1905cd98e85aSSteve Longerbeam outfmt = get_format(V4L2_PIX_FMT_RGB24); 1906cd98e85aSSteve Longerbeam } 1907cd98e85aSSteve Longerbeam 1908cd98e85aSSteve Longerbeam /* image converter does not handle fields */ 1909cd98e85aSSteve Longerbeam in->pix.field = out->pix.field = V4L2_FIELD_NONE; 1910cd98e85aSSteve Longerbeam 1911cd98e85aSSteve Longerbeam /* resizer cannot downsize more than 4:1 */ 1912cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(rot_mode)) { 1913cd98e85aSSteve Longerbeam out->pix.height = max_t(__u32, out->pix.height, 1914cd98e85aSSteve Longerbeam in->pix.width / 4); 1915cd98e85aSSteve Longerbeam out->pix.width = max_t(__u32, out->pix.width, 1916cd98e85aSSteve Longerbeam in->pix.height / 4); 1917cd98e85aSSteve Longerbeam } else { 1918cd98e85aSSteve Longerbeam out->pix.width = max_t(__u32, out->pix.width, 1919cd98e85aSSteve Longerbeam in->pix.width / 4); 1920cd98e85aSSteve Longerbeam out->pix.height = max_t(__u32, out->pix.height, 1921cd98e85aSSteve Longerbeam in->pix.height / 4); 1922cd98e85aSSteve Longerbeam } 1923cd98e85aSSteve Longerbeam 1924cd98e85aSSteve Longerbeam /* align input width/height */ 1925ff391ecdSSteve Longerbeam w_align_in = ilog2(tile_width_align(IMAGE_CONVERT_IN, infmt, 1926ff391ecdSSteve Longerbeam rot_mode)); 1927ff391ecdSSteve Longerbeam h_align_in = ilog2(tile_height_align(IMAGE_CONVERT_IN, infmt, 1928ff391ecdSSteve Longerbeam rot_mode)); 1929ff391ecdSSteve Longerbeam in->pix.width = clamp_align(in->pix.width, MIN_W, MAX_W, 1930ff391ecdSSteve Longerbeam w_align_in); 1931ff391ecdSSteve Longerbeam in->pix.height = clamp_align(in->pix.height, MIN_H, MAX_H, 1932ff391ecdSSteve Longerbeam h_align_in); 1933cd98e85aSSteve Longerbeam 1934cd98e85aSSteve Longerbeam /* align output width/height */ 1935ff391ecdSSteve Longerbeam w_align_out = ilog2(tile_width_align(IMAGE_CONVERT_OUT, outfmt, 1936ff391ecdSSteve Longerbeam rot_mode)); 1937ff391ecdSSteve Longerbeam h_align_out = ilog2(tile_height_align(IMAGE_CONVERT_OUT, outfmt, 1938ff391ecdSSteve Longerbeam rot_mode)); 1939ff391ecdSSteve Longerbeam out->pix.width = clamp_align(out->pix.width, MIN_W, MAX_W, 1940ff391ecdSSteve Longerbeam w_align_out); 1941ff391ecdSSteve Longerbeam out->pix.height = clamp_align(out->pix.height, MIN_H, MAX_H, 1942ff391ecdSSteve Longerbeam h_align_out); 1943cd98e85aSSteve Longerbeam 1944cd98e85aSSteve Longerbeam /* set input/output strides and image sizes */ 1945d966e23dSPhilipp Zabel in->pix.bytesperline = infmt->planar ? 1946ff391ecdSSteve Longerbeam clamp_align(in->pix.width, 2 << w_align_in, MAX_W, 1947ff391ecdSSteve Longerbeam w_align_in) : 1948d966e23dSPhilipp Zabel clamp_align((in->pix.width * infmt->bpp) >> 3, 1949bca4d70cSSteve Longerbeam ((2 << w_align_in) * infmt->bpp) >> 3, 1950bca4d70cSSteve Longerbeam (MAX_W * infmt->bpp) >> 3, 1951bca4d70cSSteve Longerbeam w_align_in); 1952d966e23dSPhilipp Zabel in->pix.sizeimage = infmt->planar ? 1953d966e23dSPhilipp Zabel (in->pix.height * in->pix.bytesperline * infmt->bpp) >> 3 : 1954d966e23dSPhilipp Zabel in->pix.height * in->pix.bytesperline; 1955d966e23dSPhilipp Zabel out->pix.bytesperline = outfmt->planar ? out->pix.width : 1956d966e23dSPhilipp Zabel (out->pix.width * outfmt->bpp) >> 3; 1957d966e23dSPhilipp Zabel out->pix.sizeimage = outfmt->planar ? 1958d966e23dSPhilipp Zabel (out->pix.height * out->pix.bytesperline * outfmt->bpp) >> 3 : 1959d966e23dSPhilipp Zabel out->pix.height * out->pix.bytesperline; 1960cd98e85aSSteve Longerbeam } 1961cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_adjust); 1962cd98e85aSSteve Longerbeam 1963cd98e85aSSteve Longerbeam /* 1964cd98e85aSSteve Longerbeam * this is used by ipu_image_convert_prepare() to verify set input and 1965cd98e85aSSteve Longerbeam * output images are valid before starting the conversion. Clients can 1966cd98e85aSSteve Longerbeam * also call it before calling ipu_image_convert_prepare(). 1967cd98e85aSSteve Longerbeam */ 1968cd98e85aSSteve Longerbeam int ipu_image_convert_verify(struct ipu_image *in, struct ipu_image *out, 1969cd98e85aSSteve Longerbeam enum ipu_rotate_mode rot_mode) 1970cd98e85aSSteve Longerbeam { 1971cd98e85aSSteve Longerbeam struct ipu_image testin, testout; 1972cd98e85aSSteve Longerbeam 1973cd98e85aSSteve Longerbeam testin = *in; 1974cd98e85aSSteve Longerbeam testout = *out; 1975cd98e85aSSteve Longerbeam 1976cd98e85aSSteve Longerbeam ipu_image_convert_adjust(&testin, &testout, rot_mode); 1977cd98e85aSSteve Longerbeam 1978cd98e85aSSteve Longerbeam if (testin.pix.width != in->pix.width || 1979cd98e85aSSteve Longerbeam testin.pix.height != in->pix.height || 1980cd98e85aSSteve Longerbeam testout.pix.width != out->pix.width || 1981cd98e85aSSteve Longerbeam testout.pix.height != out->pix.height) 1982cd98e85aSSteve Longerbeam return -EINVAL; 1983cd98e85aSSteve Longerbeam 1984cd98e85aSSteve Longerbeam return 0; 1985cd98e85aSSteve Longerbeam } 1986cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_verify); 1987cd98e85aSSteve Longerbeam 1988cd98e85aSSteve Longerbeam /* 1989cd98e85aSSteve Longerbeam * Call ipu_image_convert_prepare() to prepare for the conversion of 1990cd98e85aSSteve Longerbeam * given images and rotation mode. Returns a new conversion context. 1991cd98e85aSSteve Longerbeam */ 1992cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx * 1993cd98e85aSSteve Longerbeam ipu_image_convert_prepare(struct ipu_soc *ipu, enum ipu_ic_task ic_task, 1994cd98e85aSSteve Longerbeam struct ipu_image *in, struct ipu_image *out, 1995cd98e85aSSteve Longerbeam enum ipu_rotate_mode rot_mode, 1996cd98e85aSSteve Longerbeam ipu_image_convert_cb_t complete, 1997cd98e85aSSteve Longerbeam void *complete_context) 1998cd98e85aSSteve Longerbeam { 1999cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = ipu->image_convert_priv; 2000cd98e85aSSteve Longerbeam struct ipu_image_convert_image *s_image, *d_image; 2001cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan; 2002cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx; 2003cd98e85aSSteve Longerbeam unsigned long flags; 2004f1ef14f3SPhilipp Zabel unsigned int i; 2005cd98e85aSSteve Longerbeam bool get_res; 2006cd98e85aSSteve Longerbeam int ret; 2007cd98e85aSSteve Longerbeam 2008cd98e85aSSteve Longerbeam if (!in || !out || !complete || 2009cd98e85aSSteve Longerbeam (ic_task != IC_TASK_VIEWFINDER && 2010cd98e85aSSteve Longerbeam ic_task != IC_TASK_POST_PROCESSOR)) 2011cd98e85aSSteve Longerbeam return ERR_PTR(-EINVAL); 2012cd98e85aSSteve Longerbeam 2013cd98e85aSSteve Longerbeam /* verify the in/out images before continuing */ 2014cd98e85aSSteve Longerbeam ret = ipu_image_convert_verify(in, out, rot_mode); 2015cd98e85aSSteve Longerbeam if (ret) { 2016cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "%s: in/out formats invalid\n", 2017cd98e85aSSteve Longerbeam __func__); 2018cd98e85aSSteve Longerbeam return ERR_PTR(ret); 2019cd98e85aSSteve Longerbeam } 2020cd98e85aSSteve Longerbeam 2021cd98e85aSSteve Longerbeam chan = &priv->chan[ic_task]; 2022cd98e85aSSteve Longerbeam 2023cd98e85aSSteve Longerbeam ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); 2024cd98e85aSSteve Longerbeam if (!ctx) 2025cd98e85aSSteve Longerbeam return ERR_PTR(-ENOMEM); 2026cd98e85aSSteve Longerbeam 2027cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, "%s: task %u: ctx %p\n", __func__, 2028cd98e85aSSteve Longerbeam chan->ic_task, ctx); 2029cd98e85aSSteve Longerbeam 2030cd98e85aSSteve Longerbeam ctx->chan = chan; 2031cd98e85aSSteve Longerbeam init_completion(&ctx->aborted); 2032cd98e85aSSteve Longerbeam 2033cd98e85aSSteve Longerbeam s_image = &ctx->in; 2034cd98e85aSSteve Longerbeam d_image = &ctx->out; 2035cd98e85aSSteve Longerbeam 2036cd98e85aSSteve Longerbeam /* set tiling and rotation */ 2037cd98e85aSSteve Longerbeam d_image->num_rows = num_stripes(out->pix.height); 2038cd98e85aSSteve Longerbeam d_image->num_cols = num_stripes(out->pix.width); 2039cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(rot_mode)) { 2040cd98e85aSSteve Longerbeam s_image->num_rows = d_image->num_cols; 2041cd98e85aSSteve Longerbeam s_image->num_cols = d_image->num_rows; 2042cd98e85aSSteve Longerbeam } else { 2043cd98e85aSSteve Longerbeam s_image->num_rows = d_image->num_rows; 2044cd98e85aSSteve Longerbeam s_image->num_cols = d_image->num_cols; 2045cd98e85aSSteve Longerbeam } 2046cd98e85aSSteve Longerbeam 2047cd98e85aSSteve Longerbeam ctx->num_tiles = d_image->num_cols * d_image->num_rows; 2048cd98e85aSSteve Longerbeam ctx->rot_mode = rot_mode; 2049cd98e85aSSteve Longerbeam 2050cd98e85aSSteve Longerbeam ret = fill_image(ctx, s_image, in, IMAGE_CONVERT_IN); 2051cd98e85aSSteve Longerbeam if (ret) 2052cd98e85aSSteve Longerbeam goto out_free; 2053cd98e85aSSteve Longerbeam ret = fill_image(ctx, d_image, out, IMAGE_CONVERT_OUT); 2054cd98e85aSSteve Longerbeam if (ret) 2055cd98e85aSSteve Longerbeam goto out_free; 2056cd98e85aSSteve Longerbeam 205726ddd032SPhilipp Zabel ret = calc_image_resize_coefficients(ctx, in, out); 205826ddd032SPhilipp Zabel if (ret) 205926ddd032SPhilipp Zabel goto out_free; 206026ddd032SPhilipp Zabel 206164fbae5eSPhilipp Zabel calc_out_tile_map(ctx); 206264fbae5eSPhilipp Zabel 206364fbae5eSPhilipp Zabel find_seams(ctx, s_image, d_image); 206464fbae5eSPhilipp Zabel 206526ddd032SPhilipp Zabel calc_tile_dimensions(ctx, s_image); 206626ddd032SPhilipp Zabel ret = calc_tile_offsets(ctx, s_image); 206726ddd032SPhilipp Zabel if (ret) 206826ddd032SPhilipp Zabel goto out_free; 206926ddd032SPhilipp Zabel 207026ddd032SPhilipp Zabel calc_tile_dimensions(ctx, d_image); 207126ddd032SPhilipp Zabel ret = calc_tile_offsets(ctx, d_image); 207226ddd032SPhilipp Zabel if (ret) 207326ddd032SPhilipp Zabel goto out_free; 207426ddd032SPhilipp Zabel 207570b9b6b3SPhilipp Zabel calc_tile_resize_coefficients(ctx); 2076cd98e85aSSteve Longerbeam 2077f208b26eSSteve Longerbeam ret = ipu_ic_calc_csc(&ctx->csc, 2078f208b26eSSteve Longerbeam s_image->base.pix.ycbcr_enc, 2079f208b26eSSteve Longerbeam s_image->base.pix.quantization, 2080f208b26eSSteve Longerbeam ipu_pixelformat_to_colorspace(s_image->fmt->fourcc), 2081f208b26eSSteve Longerbeam d_image->base.pix.ycbcr_enc, 2082f208b26eSSteve Longerbeam d_image->base.pix.quantization, 2083f208b26eSSteve Longerbeam ipu_pixelformat_to_colorspace(d_image->fmt->fourcc)); 2084f208b26eSSteve Longerbeam if (ret) 2085f208b26eSSteve Longerbeam goto out_free; 2086f208b26eSSteve Longerbeam 2087cd98e85aSSteve Longerbeam dump_format(ctx, s_image); 2088cd98e85aSSteve Longerbeam dump_format(ctx, d_image); 2089cd98e85aSSteve Longerbeam 2090cd98e85aSSteve Longerbeam ctx->complete = complete; 2091cd98e85aSSteve Longerbeam ctx->complete_context = complete_context; 2092cd98e85aSSteve Longerbeam 2093cd98e85aSSteve Longerbeam /* 2094cd98e85aSSteve Longerbeam * Can we use double-buffering for this operation? If there is 2095cd98e85aSSteve Longerbeam * only one tile (the whole image can be converted in a single 2096cd98e85aSSteve Longerbeam * operation) there's no point in using double-buffering. Also, 2097cd98e85aSSteve Longerbeam * the IPU's IDMAC channels allow only a single U and V plane 2098cd98e85aSSteve Longerbeam * offset shared between both buffers, but these offsets change 2099cd98e85aSSteve Longerbeam * for every tile, and therefore would have to be updated for 2100cd98e85aSSteve Longerbeam * each buffer which is not possible. So double-buffering is 2101cd98e85aSSteve Longerbeam * impossible when either the source or destination images are 2102f1ef14f3SPhilipp Zabel * a planar format (YUV420, YUV422P, etc.). Further, differently 2103f1ef14f3SPhilipp Zabel * sized tiles or different resizing coefficients per tile 2104f1ef14f3SPhilipp Zabel * prevent double-buffering as well. 2105cd98e85aSSteve Longerbeam */ 2106cd98e85aSSteve Longerbeam ctx->double_buffering = (ctx->num_tiles > 1 && 2107cd98e85aSSteve Longerbeam !s_image->fmt->planar && 2108cd98e85aSSteve Longerbeam !d_image->fmt->planar); 2109f1ef14f3SPhilipp Zabel for (i = 1; i < ctx->num_tiles; i++) { 2110f1ef14f3SPhilipp Zabel if (ctx->in.tile[i].width != ctx->in.tile[0].width || 2111f1ef14f3SPhilipp Zabel ctx->in.tile[i].height != ctx->in.tile[0].height || 2112f1ef14f3SPhilipp Zabel ctx->out.tile[i].width != ctx->out.tile[0].width || 2113f1ef14f3SPhilipp Zabel ctx->out.tile[i].height != ctx->out.tile[0].height) { 2114f1ef14f3SPhilipp Zabel ctx->double_buffering = false; 2115f1ef14f3SPhilipp Zabel break; 2116f1ef14f3SPhilipp Zabel } 2117f1ef14f3SPhilipp Zabel } 2118f1ef14f3SPhilipp Zabel for (i = 1; i < ctx->in.num_cols; i++) { 2119f1ef14f3SPhilipp Zabel if (ctx->resize_coeffs_h[i] != ctx->resize_coeffs_h[0]) { 2120f1ef14f3SPhilipp Zabel ctx->double_buffering = false; 2121f1ef14f3SPhilipp Zabel break; 2122f1ef14f3SPhilipp Zabel } 2123f1ef14f3SPhilipp Zabel } 2124f1ef14f3SPhilipp Zabel for (i = 1; i < ctx->in.num_rows; i++) { 2125f1ef14f3SPhilipp Zabel if (ctx->resize_coeffs_v[i] != ctx->resize_coeffs_v[0]) { 2126f1ef14f3SPhilipp Zabel ctx->double_buffering = false; 2127f1ef14f3SPhilipp Zabel break; 2128f1ef14f3SPhilipp Zabel } 2129f1ef14f3SPhilipp Zabel } 2130cd98e85aSSteve Longerbeam 2131cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 2132dd65d2a9SPhilipp Zabel unsigned long intermediate_size = d_image->tile[0].size; 2133dd65d2a9SPhilipp Zabel 2134dd65d2a9SPhilipp Zabel for (i = 1; i < ctx->num_tiles; i++) { 2135dd65d2a9SPhilipp Zabel if (d_image->tile[i].size > intermediate_size) 2136dd65d2a9SPhilipp Zabel intermediate_size = d_image->tile[i].size; 2137dd65d2a9SPhilipp Zabel } 2138dd65d2a9SPhilipp Zabel 2139cd98e85aSSteve Longerbeam ret = alloc_dma_buf(priv, &ctx->rot_intermediate[0], 2140dd65d2a9SPhilipp Zabel intermediate_size); 2141cd98e85aSSteve Longerbeam if (ret) 2142cd98e85aSSteve Longerbeam goto out_free; 2143cd98e85aSSteve Longerbeam if (ctx->double_buffering) { 2144cd98e85aSSteve Longerbeam ret = alloc_dma_buf(priv, 2145cd98e85aSSteve Longerbeam &ctx->rot_intermediate[1], 2146dd65d2a9SPhilipp Zabel intermediate_size); 2147cd98e85aSSteve Longerbeam if (ret) 2148cd98e85aSSteve Longerbeam goto out_free_dmabuf0; 2149cd98e85aSSteve Longerbeam } 2150cd98e85aSSteve Longerbeam } 2151cd98e85aSSteve Longerbeam 2152cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 2153cd98e85aSSteve Longerbeam 2154cd98e85aSSteve Longerbeam get_res = list_empty(&chan->ctx_list); 2155cd98e85aSSteve Longerbeam 2156cd98e85aSSteve Longerbeam list_add_tail(&ctx->list, &chan->ctx_list); 2157cd98e85aSSteve Longerbeam 2158cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 2159cd98e85aSSteve Longerbeam 2160cd98e85aSSteve Longerbeam if (get_res) { 2161cd98e85aSSteve Longerbeam ret = get_ipu_resources(chan); 2162cd98e85aSSteve Longerbeam if (ret) 2163cd98e85aSSteve Longerbeam goto out_free_dmabuf1; 2164cd98e85aSSteve Longerbeam } 2165cd98e85aSSteve Longerbeam 2166cd98e85aSSteve Longerbeam return ctx; 2167cd98e85aSSteve Longerbeam 2168cd98e85aSSteve Longerbeam out_free_dmabuf1: 2169cd98e85aSSteve Longerbeam free_dma_buf(priv, &ctx->rot_intermediate[1]); 2170cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 2171cd98e85aSSteve Longerbeam list_del(&ctx->list); 2172cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 2173cd98e85aSSteve Longerbeam out_free_dmabuf0: 2174cd98e85aSSteve Longerbeam free_dma_buf(priv, &ctx->rot_intermediate[0]); 2175cd98e85aSSteve Longerbeam out_free: 2176cd98e85aSSteve Longerbeam kfree(ctx); 2177cd98e85aSSteve Longerbeam return ERR_PTR(ret); 2178cd98e85aSSteve Longerbeam } 2179cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_prepare); 2180cd98e85aSSteve Longerbeam 2181cd98e85aSSteve Longerbeam /* 2182cd98e85aSSteve Longerbeam * Carry out a single image conversion run. Only the physaddr's of the input 2183cd98e85aSSteve Longerbeam * and output image buffers are needed. The conversion context must have 2184cd98e85aSSteve Longerbeam * been created previously with ipu_image_convert_prepare(). 2185cd98e85aSSteve Longerbeam */ 2186cd98e85aSSteve Longerbeam int ipu_image_convert_queue(struct ipu_image_convert_run *run) 2187cd98e85aSSteve Longerbeam { 2188cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan; 2189cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv; 2190cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx; 2191cd98e85aSSteve Longerbeam unsigned long flags; 2192cd98e85aSSteve Longerbeam int ret = 0; 2193cd98e85aSSteve Longerbeam 2194cd98e85aSSteve Longerbeam if (!run || !run->ctx || !run->in_phys || !run->out_phys) 2195cd98e85aSSteve Longerbeam return -EINVAL; 2196cd98e85aSSteve Longerbeam 2197cd98e85aSSteve Longerbeam ctx = run->ctx; 2198cd98e85aSSteve Longerbeam chan = ctx->chan; 2199cd98e85aSSteve Longerbeam priv = chan->priv; 2200cd98e85aSSteve Longerbeam 2201cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, "%s: task %u: ctx %p run %p\n", __func__, 2202cd98e85aSSteve Longerbeam chan->ic_task, ctx, run); 2203cd98e85aSSteve Longerbeam 2204cd98e85aSSteve Longerbeam INIT_LIST_HEAD(&run->list); 2205cd98e85aSSteve Longerbeam 2206cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 2207cd98e85aSSteve Longerbeam 2208cd98e85aSSteve Longerbeam if (ctx->aborting) { 2209cd98e85aSSteve Longerbeam ret = -EIO; 2210cd98e85aSSteve Longerbeam goto unlock; 2211cd98e85aSSteve Longerbeam } 2212cd98e85aSSteve Longerbeam 2213cd98e85aSSteve Longerbeam list_add_tail(&run->list, &chan->pending_q); 2214cd98e85aSSteve Longerbeam 2215cd98e85aSSteve Longerbeam if (!chan->current_run) { 2216cd98e85aSSteve Longerbeam ret = do_run(run); 2217cd98e85aSSteve Longerbeam if (ret) 2218cd98e85aSSteve Longerbeam chan->current_run = NULL; 2219cd98e85aSSteve Longerbeam } 2220cd98e85aSSteve Longerbeam unlock: 2221cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 2222cd98e85aSSteve Longerbeam return ret; 2223cd98e85aSSteve Longerbeam } 2224cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_queue); 2225cd98e85aSSteve Longerbeam 2226cd98e85aSSteve Longerbeam /* Abort any active or pending conversions for this context */ 2227819bec35SSteve Longerbeam static void __ipu_image_convert_abort(struct ipu_image_convert_ctx *ctx) 2228cd98e85aSSteve Longerbeam { 2229cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 2230cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 2231cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run, *active_run, *tmp; 2232cd98e85aSSteve Longerbeam unsigned long flags; 2233cd98e85aSSteve Longerbeam int run_count, ret; 2234cd98e85aSSteve Longerbeam 2235cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 2236cd98e85aSSteve Longerbeam 2237cd98e85aSSteve Longerbeam /* move all remaining pending runs in this context to done_q */ 2238cd98e85aSSteve Longerbeam list_for_each_entry_safe(run, tmp, &chan->pending_q, list) { 2239cd98e85aSSteve Longerbeam if (run->ctx != ctx) 2240cd98e85aSSteve Longerbeam continue; 2241cd98e85aSSteve Longerbeam run->status = -EIO; 2242cd98e85aSSteve Longerbeam list_move_tail(&run->list, &chan->done_q); 2243cd98e85aSSteve Longerbeam } 2244cd98e85aSSteve Longerbeam 2245cd98e85aSSteve Longerbeam run_count = get_run_count(ctx, &chan->done_q); 2246cd98e85aSSteve Longerbeam active_run = (chan->current_run && chan->current_run->ctx == ctx) ? 2247cd98e85aSSteve Longerbeam chan->current_run : NULL; 2248cd98e85aSSteve Longerbeam 2249aa60b261SSteve Longerbeam if (active_run) 2250aa60b261SSteve Longerbeam reinit_completion(&ctx->aborted); 2251aa60b261SSteve Longerbeam 2252819bec35SSteve Longerbeam ctx->aborting = true; 2253cd98e85aSSteve Longerbeam 2254cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 2255cd98e85aSSteve Longerbeam 2256b288adadSSteve Longerbeam if (!run_count && !active_run) { 2257cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, 2258cd98e85aSSteve Longerbeam "%s: task %u: no abort needed for ctx %p\n", 2259cd98e85aSSteve Longerbeam __func__, chan->ic_task, ctx); 2260cd98e85aSSteve Longerbeam return; 2261cd98e85aSSteve Longerbeam } 2262cd98e85aSSteve Longerbeam 2263920340aeSSteve Longerbeam if (!active_run) { 2264920340aeSSteve Longerbeam empty_done_q(chan); 2265920340aeSSteve Longerbeam return; 2266920340aeSSteve Longerbeam } 2267920340aeSSteve Longerbeam 2268cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, 2269920340aeSSteve Longerbeam "%s: task %u: wait for completion: %d runs\n", 2270920340aeSSteve Longerbeam __func__, chan->ic_task, run_count); 2271cd98e85aSSteve Longerbeam 2272cd98e85aSSteve Longerbeam ret = wait_for_completion_timeout(&ctx->aborted, 2273cd98e85aSSteve Longerbeam msecs_to_jiffies(10000)); 2274cd98e85aSSteve Longerbeam if (ret == 0) { 2275cd98e85aSSteve Longerbeam dev_warn(priv->ipu->dev, "%s: timeout\n", __func__); 2276cd98e85aSSteve Longerbeam force_abort(ctx); 2277cd98e85aSSteve Longerbeam } 2278819bec35SSteve Longerbeam } 2279cd98e85aSSteve Longerbeam 2280819bec35SSteve Longerbeam void ipu_image_convert_abort(struct ipu_image_convert_ctx *ctx) 2281819bec35SSteve Longerbeam { 2282819bec35SSteve Longerbeam __ipu_image_convert_abort(ctx); 2283cd98e85aSSteve Longerbeam ctx->aborting = false; 2284cd98e85aSSteve Longerbeam } 2285cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_abort); 2286cd98e85aSSteve Longerbeam 2287cd98e85aSSteve Longerbeam /* Unprepare image conversion context */ 2288cd98e85aSSteve Longerbeam void ipu_image_convert_unprepare(struct ipu_image_convert_ctx *ctx) 2289cd98e85aSSteve Longerbeam { 2290cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 2291cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 2292cd98e85aSSteve Longerbeam unsigned long flags; 2293cd98e85aSSteve Longerbeam bool put_res; 2294cd98e85aSSteve Longerbeam 2295cd98e85aSSteve Longerbeam /* make sure no runs are hanging around */ 2296819bec35SSteve Longerbeam __ipu_image_convert_abort(ctx); 2297cd98e85aSSteve Longerbeam 2298cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, "%s: task %u: removing ctx %p\n", __func__, 2299cd98e85aSSteve Longerbeam chan->ic_task, ctx); 2300cd98e85aSSteve Longerbeam 2301cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 2302cd98e85aSSteve Longerbeam 2303cd98e85aSSteve Longerbeam list_del(&ctx->list); 2304cd98e85aSSteve Longerbeam 2305cd98e85aSSteve Longerbeam put_res = list_empty(&chan->ctx_list); 2306cd98e85aSSteve Longerbeam 2307cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 2308cd98e85aSSteve Longerbeam 2309cd98e85aSSteve Longerbeam if (put_res) 2310cd98e85aSSteve Longerbeam release_ipu_resources(chan); 2311cd98e85aSSteve Longerbeam 2312cd98e85aSSteve Longerbeam free_dma_buf(priv, &ctx->rot_intermediate[1]); 2313cd98e85aSSteve Longerbeam free_dma_buf(priv, &ctx->rot_intermediate[0]); 2314cd98e85aSSteve Longerbeam 2315cd98e85aSSteve Longerbeam kfree(ctx); 2316cd98e85aSSteve Longerbeam } 2317cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_unprepare); 2318cd98e85aSSteve Longerbeam 2319cd98e85aSSteve Longerbeam /* 2320cd98e85aSSteve Longerbeam * "Canned" asynchronous single image conversion. Allocates and returns 2321cd98e85aSSteve Longerbeam * a new conversion run. On successful return the caller must free the 2322cd98e85aSSteve Longerbeam * run and call ipu_image_convert_unprepare() after conversion completes. 2323cd98e85aSSteve Longerbeam */ 2324cd98e85aSSteve Longerbeam struct ipu_image_convert_run * 2325cd98e85aSSteve Longerbeam ipu_image_convert(struct ipu_soc *ipu, enum ipu_ic_task ic_task, 2326cd98e85aSSteve Longerbeam struct ipu_image *in, struct ipu_image *out, 2327cd98e85aSSteve Longerbeam enum ipu_rotate_mode rot_mode, 2328cd98e85aSSteve Longerbeam ipu_image_convert_cb_t complete, 2329cd98e85aSSteve Longerbeam void *complete_context) 2330cd98e85aSSteve Longerbeam { 2331cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx; 2332cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run; 2333cd98e85aSSteve Longerbeam int ret; 2334cd98e85aSSteve Longerbeam 2335cd98e85aSSteve Longerbeam ctx = ipu_image_convert_prepare(ipu, ic_task, in, out, rot_mode, 2336cd98e85aSSteve Longerbeam complete, complete_context); 2337cd98e85aSSteve Longerbeam if (IS_ERR(ctx)) 23384ad3e92cSWei Yongjun return ERR_CAST(ctx); 2339cd98e85aSSteve Longerbeam 2340cd98e85aSSteve Longerbeam run = kzalloc(sizeof(*run), GFP_KERNEL); 2341cd98e85aSSteve Longerbeam if (!run) { 2342cd98e85aSSteve Longerbeam ipu_image_convert_unprepare(ctx); 2343cd98e85aSSteve Longerbeam return ERR_PTR(-ENOMEM); 2344cd98e85aSSteve Longerbeam } 2345cd98e85aSSteve Longerbeam 2346cd98e85aSSteve Longerbeam run->ctx = ctx; 2347cd98e85aSSteve Longerbeam run->in_phys = in->phys0; 2348cd98e85aSSteve Longerbeam run->out_phys = out->phys0; 2349cd98e85aSSteve Longerbeam 2350cd98e85aSSteve Longerbeam ret = ipu_image_convert_queue(run); 2351cd98e85aSSteve Longerbeam if (ret) { 2352cd98e85aSSteve Longerbeam ipu_image_convert_unprepare(ctx); 2353cd98e85aSSteve Longerbeam kfree(run); 2354cd98e85aSSteve Longerbeam return ERR_PTR(ret); 2355cd98e85aSSteve Longerbeam } 2356cd98e85aSSteve Longerbeam 2357cd98e85aSSteve Longerbeam return run; 2358cd98e85aSSteve Longerbeam } 2359cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert); 2360cd98e85aSSteve Longerbeam 2361cd98e85aSSteve Longerbeam /* "Canned" synchronous single image conversion */ 2362cd98e85aSSteve Longerbeam static void image_convert_sync_complete(struct ipu_image_convert_run *run, 2363cd98e85aSSteve Longerbeam void *data) 2364cd98e85aSSteve Longerbeam { 2365cd98e85aSSteve Longerbeam struct completion *comp = data; 2366cd98e85aSSteve Longerbeam 2367cd98e85aSSteve Longerbeam complete(comp); 2368cd98e85aSSteve Longerbeam } 2369cd98e85aSSteve Longerbeam 2370cd98e85aSSteve Longerbeam int ipu_image_convert_sync(struct ipu_soc *ipu, enum ipu_ic_task ic_task, 2371cd98e85aSSteve Longerbeam struct ipu_image *in, struct ipu_image *out, 2372cd98e85aSSteve Longerbeam enum ipu_rotate_mode rot_mode) 2373cd98e85aSSteve Longerbeam { 2374cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run; 2375cd98e85aSSteve Longerbeam struct completion comp; 2376cd98e85aSSteve Longerbeam int ret; 2377cd98e85aSSteve Longerbeam 2378cd98e85aSSteve Longerbeam init_completion(&comp); 2379cd98e85aSSteve Longerbeam 2380cd98e85aSSteve Longerbeam run = ipu_image_convert(ipu, ic_task, in, out, rot_mode, 2381cd98e85aSSteve Longerbeam image_convert_sync_complete, &comp); 2382cd98e85aSSteve Longerbeam if (IS_ERR(run)) 2383cd98e85aSSteve Longerbeam return PTR_ERR(run); 2384cd98e85aSSteve Longerbeam 2385cd98e85aSSteve Longerbeam ret = wait_for_completion_timeout(&comp, msecs_to_jiffies(10000)); 2386cd98e85aSSteve Longerbeam ret = (ret == 0) ? -ETIMEDOUT : 0; 2387cd98e85aSSteve Longerbeam 2388cd98e85aSSteve Longerbeam ipu_image_convert_unprepare(run->ctx); 2389cd98e85aSSteve Longerbeam kfree(run); 2390cd98e85aSSteve Longerbeam 2391cd98e85aSSteve Longerbeam return ret; 2392cd98e85aSSteve Longerbeam } 2393cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_sync); 2394cd98e85aSSteve Longerbeam 2395cd98e85aSSteve Longerbeam int ipu_image_convert_init(struct ipu_soc *ipu, struct device *dev) 2396cd98e85aSSteve Longerbeam { 2397cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv; 2398cd98e85aSSteve Longerbeam int i; 2399cd98e85aSSteve Longerbeam 2400cd98e85aSSteve Longerbeam priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); 2401cd98e85aSSteve Longerbeam if (!priv) 2402cd98e85aSSteve Longerbeam return -ENOMEM; 2403cd98e85aSSteve Longerbeam 2404cd98e85aSSteve Longerbeam ipu->image_convert_priv = priv; 2405cd98e85aSSteve Longerbeam priv->ipu = ipu; 2406cd98e85aSSteve Longerbeam 2407cd98e85aSSteve Longerbeam for (i = 0; i < IC_NUM_TASKS; i++) { 2408cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = &priv->chan[i]; 2409cd98e85aSSteve Longerbeam 2410cd98e85aSSteve Longerbeam chan->ic_task = i; 2411cd98e85aSSteve Longerbeam chan->priv = priv; 2412cd98e85aSSteve Longerbeam chan->dma_ch = &image_convert_dma_chan[i]; 2413cd98e85aSSteve Longerbeam chan->out_eof_irq = -1; 2414cd98e85aSSteve Longerbeam chan->rot_out_eof_irq = -1; 2415cd98e85aSSteve Longerbeam 2416cd98e85aSSteve Longerbeam spin_lock_init(&chan->irqlock); 2417cd98e85aSSteve Longerbeam INIT_LIST_HEAD(&chan->ctx_list); 2418cd98e85aSSteve Longerbeam INIT_LIST_HEAD(&chan->pending_q); 2419cd98e85aSSteve Longerbeam INIT_LIST_HEAD(&chan->done_q); 2420cd98e85aSSteve Longerbeam } 2421cd98e85aSSteve Longerbeam 2422cd98e85aSSteve Longerbeam return 0; 2423cd98e85aSSteve Longerbeam } 2424cd98e85aSSteve Longerbeam 2425cd98e85aSSteve Longerbeam void ipu_image_convert_exit(struct ipu_soc *ipu) 2426cd98e85aSSteve Longerbeam { 2427cd98e85aSSteve Longerbeam } 2428