1cd98e85aSSteve Longerbeam /* 2cd98e85aSSteve Longerbeam * Copyright (C) 2012-2016 Mentor Graphics Inc. 3cd98e85aSSteve Longerbeam * 4cd98e85aSSteve Longerbeam * Queued image conversion support, with tiling and rotation. 5cd98e85aSSteve Longerbeam * 6cd98e85aSSteve Longerbeam * This program is free software; you can redistribute it and/or modify it 7cd98e85aSSteve Longerbeam * under the terms of the GNU General Public License as published by the 8cd98e85aSSteve Longerbeam * Free Software Foundation; either version 2 of the License, or (at your 9cd98e85aSSteve Longerbeam * option) any later version. 10cd98e85aSSteve Longerbeam * 11cd98e85aSSteve Longerbeam * This program is distributed in the hope that it will be useful, but 12cd98e85aSSteve Longerbeam * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 13cd98e85aSSteve Longerbeam * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14cd98e85aSSteve Longerbeam * for more details. 15cd98e85aSSteve Longerbeam */ 16cd98e85aSSteve Longerbeam 17cd98e85aSSteve Longerbeam #include <linux/interrupt.h> 18cd98e85aSSteve Longerbeam #include <linux/dma-mapping.h> 19cd98e85aSSteve Longerbeam #include <video/imx-ipu-image-convert.h> 20cd98e85aSSteve Longerbeam #include "ipu-prv.h" 21cd98e85aSSteve Longerbeam 22cd98e85aSSteve Longerbeam /* 23cd98e85aSSteve Longerbeam * The IC Resizer has a restriction that the output frame from the 24cd98e85aSSteve Longerbeam * resizer must be 1024 or less in both width (pixels) and height 25cd98e85aSSteve Longerbeam * (lines). 26cd98e85aSSteve Longerbeam * 27cd98e85aSSteve Longerbeam * The image converter attempts to split up a conversion when 28cd98e85aSSteve Longerbeam * the desired output (converted) frame resolution exceeds the 29cd98e85aSSteve Longerbeam * IC resizer limit of 1024 in either dimension. 30cd98e85aSSteve Longerbeam * 31cd98e85aSSteve Longerbeam * If either dimension of the output frame exceeds the limit, the 32cd98e85aSSteve Longerbeam * dimension is split into 1, 2, or 4 equal stripes, for a maximum 33cd98e85aSSteve Longerbeam * of 4*4 or 16 tiles. A conversion is then carried out for each 34cd98e85aSSteve Longerbeam * tile (but taking care to pass the full frame stride length to 35cd98e85aSSteve Longerbeam * the DMA channel's parameter memory!). IDMA double-buffering is used 36cd98e85aSSteve Longerbeam * to convert each tile back-to-back when possible (see note below 37cd98e85aSSteve Longerbeam * when double_buffering boolean is set). 38cd98e85aSSteve Longerbeam * 39cd98e85aSSteve Longerbeam * Note that the input frame must be split up into the same number 40cd98e85aSSteve Longerbeam * of tiles as the output frame. 41cd98e85aSSteve Longerbeam * 42cd98e85aSSteve Longerbeam * FIXME: at this point there is no attempt to deal with visible seams 43cd98e85aSSteve Longerbeam * at the tile boundaries when upscaling. The seams are caused by a reset 44cd98e85aSSteve Longerbeam * of the bilinear upscale interpolation when starting a new tile. The 45cd98e85aSSteve Longerbeam * seams are barely visible for small upscale factors, but become 46cd98e85aSSteve Longerbeam * increasingly visible as the upscale factor gets larger, since more 47cd98e85aSSteve Longerbeam * interpolated pixels get thrown out at the tile boundaries. A possilble 48cd98e85aSSteve Longerbeam * fix might be to overlap tiles of different sizes, but this must be done 49cd98e85aSSteve Longerbeam * while also maintaining the IDMAC dma buffer address alignment and 8x8 IRT 50cd98e85aSSteve Longerbeam * alignment restrictions of each tile. 51cd98e85aSSteve Longerbeam */ 52cd98e85aSSteve Longerbeam 53cd98e85aSSteve Longerbeam #define MAX_STRIPES_W 4 54cd98e85aSSteve Longerbeam #define MAX_STRIPES_H 4 55cd98e85aSSteve Longerbeam #define MAX_TILES (MAX_STRIPES_W * MAX_STRIPES_H) 56cd98e85aSSteve Longerbeam 57cd98e85aSSteve Longerbeam #define MIN_W 16 58cd98e85aSSteve Longerbeam #define MIN_H 8 59cd98e85aSSteve Longerbeam #define MAX_W 4096 60cd98e85aSSteve Longerbeam #define MAX_H 4096 61cd98e85aSSteve Longerbeam 62cd98e85aSSteve Longerbeam enum ipu_image_convert_type { 63cd98e85aSSteve Longerbeam IMAGE_CONVERT_IN = 0, 64cd98e85aSSteve Longerbeam IMAGE_CONVERT_OUT, 65cd98e85aSSteve Longerbeam }; 66cd98e85aSSteve Longerbeam 67cd98e85aSSteve Longerbeam struct ipu_image_convert_dma_buf { 68cd98e85aSSteve Longerbeam void *virt; 69cd98e85aSSteve Longerbeam dma_addr_t phys; 70cd98e85aSSteve Longerbeam unsigned long len; 71cd98e85aSSteve Longerbeam }; 72cd98e85aSSteve Longerbeam 73cd98e85aSSteve Longerbeam struct ipu_image_convert_dma_chan { 74cd98e85aSSteve Longerbeam int in; 75cd98e85aSSteve Longerbeam int out; 76cd98e85aSSteve Longerbeam int rot_in; 77cd98e85aSSteve Longerbeam int rot_out; 78cd98e85aSSteve Longerbeam int vdi_in_p; 79cd98e85aSSteve Longerbeam int vdi_in; 80cd98e85aSSteve Longerbeam int vdi_in_n; 81cd98e85aSSteve Longerbeam }; 82cd98e85aSSteve Longerbeam 83cd98e85aSSteve Longerbeam /* dimensions of one tile */ 84cd98e85aSSteve Longerbeam struct ipu_image_tile { 85cd98e85aSSteve Longerbeam u32 width; 86cd98e85aSSteve Longerbeam u32 height; 87571dd82cSPhilipp Zabel u32 left; 88571dd82cSPhilipp Zabel u32 top; 89cd98e85aSSteve Longerbeam /* size and strides are in bytes */ 90cd98e85aSSteve Longerbeam u32 size; 91cd98e85aSSteve Longerbeam u32 stride; 92cd98e85aSSteve Longerbeam u32 rot_stride; 93cd98e85aSSteve Longerbeam /* start Y or packed offset of this tile */ 94cd98e85aSSteve Longerbeam u32 offset; 95cd98e85aSSteve Longerbeam /* offset from start to tile in U plane, for planar formats */ 96cd98e85aSSteve Longerbeam u32 u_off; 97cd98e85aSSteve Longerbeam /* offset from start to tile in V plane, for planar formats */ 98cd98e85aSSteve Longerbeam u32 v_off; 99cd98e85aSSteve Longerbeam }; 100cd98e85aSSteve Longerbeam 101cd98e85aSSteve Longerbeam struct ipu_image_convert_image { 102cd98e85aSSteve Longerbeam struct ipu_image base; 103cd98e85aSSteve Longerbeam enum ipu_image_convert_type type; 104cd98e85aSSteve Longerbeam 105cd98e85aSSteve Longerbeam const struct ipu_image_pixfmt *fmt; 106cd98e85aSSteve Longerbeam unsigned int stride; 107cd98e85aSSteve Longerbeam 108cd98e85aSSteve Longerbeam /* # of rows (horizontal stripes) if dest height is > 1024 */ 109cd98e85aSSteve Longerbeam unsigned int num_rows; 110cd98e85aSSteve Longerbeam /* # of columns (vertical stripes) if dest width is > 1024 */ 111cd98e85aSSteve Longerbeam unsigned int num_cols; 112cd98e85aSSteve Longerbeam 113cd98e85aSSteve Longerbeam struct ipu_image_tile tile[MAX_TILES]; 114cd98e85aSSteve Longerbeam }; 115cd98e85aSSteve Longerbeam 116cd98e85aSSteve Longerbeam struct ipu_image_pixfmt { 117cd98e85aSSteve Longerbeam u32 fourcc; /* V4L2 fourcc */ 118cd98e85aSSteve Longerbeam int bpp; /* total bpp */ 119cd98e85aSSteve Longerbeam int uv_width_dec; /* decimation in width for U/V planes */ 120cd98e85aSSteve Longerbeam int uv_height_dec; /* decimation in height for U/V planes */ 121cd98e85aSSteve Longerbeam bool planar; /* planar format */ 122cd98e85aSSteve Longerbeam bool uv_swapped; /* U and V planes are swapped */ 123cd98e85aSSteve Longerbeam bool uv_packed; /* partial planar (U and V in same plane) */ 124cd98e85aSSteve Longerbeam }; 125cd98e85aSSteve Longerbeam 126cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx; 127cd98e85aSSteve Longerbeam struct ipu_image_convert_chan; 128cd98e85aSSteve Longerbeam struct ipu_image_convert_priv; 129cd98e85aSSteve Longerbeam 130cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx { 131cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan; 132cd98e85aSSteve Longerbeam 133cd98e85aSSteve Longerbeam ipu_image_convert_cb_t complete; 134cd98e85aSSteve Longerbeam void *complete_context; 135cd98e85aSSteve Longerbeam 136cd98e85aSSteve Longerbeam /* Source/destination image data and rotation mode */ 137cd98e85aSSteve Longerbeam struct ipu_image_convert_image in; 138cd98e85aSSteve Longerbeam struct ipu_image_convert_image out; 139cd98e85aSSteve Longerbeam enum ipu_rotate_mode rot_mode; 14070b9b6b3SPhilipp Zabel u32 downsize_coeff_h; 14170b9b6b3SPhilipp Zabel u32 downsize_coeff_v; 14270b9b6b3SPhilipp Zabel u32 image_resize_coeff_h; 14370b9b6b3SPhilipp Zabel u32 image_resize_coeff_v; 14470b9b6b3SPhilipp Zabel u32 resize_coeffs_h[MAX_STRIPES_W]; 14570b9b6b3SPhilipp Zabel u32 resize_coeffs_v[MAX_STRIPES_H]; 146cd98e85aSSteve Longerbeam 147cd98e85aSSteve Longerbeam /* intermediate buffer for rotation */ 148cd98e85aSSteve Longerbeam struct ipu_image_convert_dma_buf rot_intermediate[2]; 149cd98e85aSSteve Longerbeam 150cd98e85aSSteve Longerbeam /* current buffer number for double buffering */ 151cd98e85aSSteve Longerbeam int cur_buf_num; 152cd98e85aSSteve Longerbeam 153cd98e85aSSteve Longerbeam bool aborting; 154cd98e85aSSteve Longerbeam struct completion aborted; 155cd98e85aSSteve Longerbeam 156cd98e85aSSteve Longerbeam /* can we use double-buffering for this conversion operation? */ 157cd98e85aSSteve Longerbeam bool double_buffering; 158cd98e85aSSteve Longerbeam /* num_rows * num_cols */ 159cd98e85aSSteve Longerbeam unsigned int num_tiles; 160cd98e85aSSteve Longerbeam /* next tile to process */ 161cd98e85aSSteve Longerbeam unsigned int next_tile; 162cd98e85aSSteve Longerbeam /* where to place converted tile in dest image */ 163cd98e85aSSteve Longerbeam unsigned int out_tile_map[MAX_TILES]; 164cd98e85aSSteve Longerbeam 165cd98e85aSSteve Longerbeam struct list_head list; 166cd98e85aSSteve Longerbeam }; 167cd98e85aSSteve Longerbeam 168cd98e85aSSteve Longerbeam struct ipu_image_convert_chan { 169cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv; 170cd98e85aSSteve Longerbeam 171cd98e85aSSteve Longerbeam enum ipu_ic_task ic_task; 172cd98e85aSSteve Longerbeam const struct ipu_image_convert_dma_chan *dma_ch; 173cd98e85aSSteve Longerbeam 174cd98e85aSSteve Longerbeam struct ipu_ic *ic; 175cd98e85aSSteve Longerbeam struct ipuv3_channel *in_chan; 176cd98e85aSSteve Longerbeam struct ipuv3_channel *out_chan; 177cd98e85aSSteve Longerbeam struct ipuv3_channel *rotation_in_chan; 178cd98e85aSSteve Longerbeam struct ipuv3_channel *rotation_out_chan; 179cd98e85aSSteve Longerbeam 180cd98e85aSSteve Longerbeam /* the IPU end-of-frame irqs */ 181cd98e85aSSteve Longerbeam int out_eof_irq; 182cd98e85aSSteve Longerbeam int rot_out_eof_irq; 183cd98e85aSSteve Longerbeam 184cd98e85aSSteve Longerbeam spinlock_t irqlock; 185cd98e85aSSteve Longerbeam 186cd98e85aSSteve Longerbeam /* list of convert contexts */ 187cd98e85aSSteve Longerbeam struct list_head ctx_list; 188cd98e85aSSteve Longerbeam /* queue of conversion runs */ 189cd98e85aSSteve Longerbeam struct list_head pending_q; 190cd98e85aSSteve Longerbeam /* queue of completed runs */ 191cd98e85aSSteve Longerbeam struct list_head done_q; 192cd98e85aSSteve Longerbeam 193cd98e85aSSteve Longerbeam /* the current conversion run */ 194cd98e85aSSteve Longerbeam struct ipu_image_convert_run *current_run; 195cd98e85aSSteve Longerbeam }; 196cd98e85aSSteve Longerbeam 197cd98e85aSSteve Longerbeam struct ipu_image_convert_priv { 198cd98e85aSSteve Longerbeam struct ipu_image_convert_chan chan[IC_NUM_TASKS]; 199cd98e85aSSteve Longerbeam struct ipu_soc *ipu; 200cd98e85aSSteve Longerbeam }; 201cd98e85aSSteve Longerbeam 202cd98e85aSSteve Longerbeam static const struct ipu_image_convert_dma_chan 203cd98e85aSSteve Longerbeam image_convert_dma_chan[IC_NUM_TASKS] = { 204cd98e85aSSteve Longerbeam [IC_TASK_VIEWFINDER] = { 205cd98e85aSSteve Longerbeam .in = IPUV3_CHANNEL_MEM_IC_PRP_VF, 206cd98e85aSSteve Longerbeam .out = IPUV3_CHANNEL_IC_PRP_VF_MEM, 207cd98e85aSSteve Longerbeam .rot_in = IPUV3_CHANNEL_MEM_ROT_VF, 208cd98e85aSSteve Longerbeam .rot_out = IPUV3_CHANNEL_ROT_VF_MEM, 209cd98e85aSSteve Longerbeam .vdi_in_p = IPUV3_CHANNEL_MEM_VDI_PREV, 210cd98e85aSSteve Longerbeam .vdi_in = IPUV3_CHANNEL_MEM_VDI_CUR, 211cd98e85aSSteve Longerbeam .vdi_in_n = IPUV3_CHANNEL_MEM_VDI_NEXT, 212cd98e85aSSteve Longerbeam }, 213cd98e85aSSteve Longerbeam [IC_TASK_POST_PROCESSOR] = { 214cd98e85aSSteve Longerbeam .in = IPUV3_CHANNEL_MEM_IC_PP, 215cd98e85aSSteve Longerbeam .out = IPUV3_CHANNEL_IC_PP_MEM, 216cd98e85aSSteve Longerbeam .rot_in = IPUV3_CHANNEL_MEM_ROT_PP, 217cd98e85aSSteve Longerbeam .rot_out = IPUV3_CHANNEL_ROT_PP_MEM, 218cd98e85aSSteve Longerbeam }, 219cd98e85aSSteve Longerbeam }; 220cd98e85aSSteve Longerbeam 221cd98e85aSSteve Longerbeam static const struct ipu_image_pixfmt image_convert_formats[] = { 222cd98e85aSSteve Longerbeam { 223cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_RGB565, 224cd98e85aSSteve Longerbeam .bpp = 16, 225cd98e85aSSteve Longerbeam }, { 226cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_RGB24, 227cd98e85aSSteve Longerbeam .bpp = 24, 228cd98e85aSSteve Longerbeam }, { 229cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_BGR24, 230cd98e85aSSteve Longerbeam .bpp = 24, 231cd98e85aSSteve Longerbeam }, { 232cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_RGB32, 233cd98e85aSSteve Longerbeam .bpp = 32, 234cd98e85aSSteve Longerbeam }, { 235cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_BGR32, 236cd98e85aSSteve Longerbeam .bpp = 32, 237cd98e85aSSteve Longerbeam }, { 2385c41bb60SPhilipp Zabel .fourcc = V4L2_PIX_FMT_XRGB32, 2395c41bb60SPhilipp Zabel .bpp = 32, 2405c41bb60SPhilipp Zabel }, { 2415c41bb60SPhilipp Zabel .fourcc = V4L2_PIX_FMT_XBGR32, 2425c41bb60SPhilipp Zabel .bpp = 32, 2435c41bb60SPhilipp Zabel }, { 244cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_YUYV, 245cd98e85aSSteve Longerbeam .bpp = 16, 246cd98e85aSSteve Longerbeam .uv_width_dec = 2, 247cd98e85aSSteve Longerbeam .uv_height_dec = 1, 248cd98e85aSSteve Longerbeam }, { 249cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_UYVY, 250cd98e85aSSteve Longerbeam .bpp = 16, 251cd98e85aSSteve Longerbeam .uv_width_dec = 2, 252cd98e85aSSteve Longerbeam .uv_height_dec = 1, 253cd98e85aSSteve Longerbeam }, { 254cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_YUV420, 255cd98e85aSSteve Longerbeam .bpp = 12, 256cd98e85aSSteve Longerbeam .planar = true, 257cd98e85aSSteve Longerbeam .uv_width_dec = 2, 258cd98e85aSSteve Longerbeam .uv_height_dec = 2, 259cd98e85aSSteve Longerbeam }, { 260cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_YVU420, 261cd98e85aSSteve Longerbeam .bpp = 12, 262cd98e85aSSteve Longerbeam .planar = true, 263cd98e85aSSteve Longerbeam .uv_width_dec = 2, 264cd98e85aSSteve Longerbeam .uv_height_dec = 2, 265cd98e85aSSteve Longerbeam .uv_swapped = true, 266cd98e85aSSteve Longerbeam }, { 267cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_NV12, 268cd98e85aSSteve Longerbeam .bpp = 12, 269cd98e85aSSteve Longerbeam .planar = true, 270cd98e85aSSteve Longerbeam .uv_width_dec = 2, 271cd98e85aSSteve Longerbeam .uv_height_dec = 2, 272cd98e85aSSteve Longerbeam .uv_packed = true, 273cd98e85aSSteve Longerbeam }, { 274cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_YUV422P, 275cd98e85aSSteve Longerbeam .bpp = 16, 276cd98e85aSSteve Longerbeam .planar = true, 277cd98e85aSSteve Longerbeam .uv_width_dec = 2, 278cd98e85aSSteve Longerbeam .uv_height_dec = 1, 279cd98e85aSSteve Longerbeam }, { 280cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_NV16, 281cd98e85aSSteve Longerbeam .bpp = 16, 282cd98e85aSSteve Longerbeam .planar = true, 283cd98e85aSSteve Longerbeam .uv_width_dec = 2, 284cd98e85aSSteve Longerbeam .uv_height_dec = 1, 285cd98e85aSSteve Longerbeam .uv_packed = true, 286cd98e85aSSteve Longerbeam }, 287cd98e85aSSteve Longerbeam }; 288cd98e85aSSteve Longerbeam 289cd98e85aSSteve Longerbeam static const struct ipu_image_pixfmt *get_format(u32 fourcc) 290cd98e85aSSteve Longerbeam { 291cd98e85aSSteve Longerbeam const struct ipu_image_pixfmt *ret = NULL; 292cd98e85aSSteve Longerbeam unsigned int i; 293cd98e85aSSteve Longerbeam 294cd98e85aSSteve Longerbeam for (i = 0; i < ARRAY_SIZE(image_convert_formats); i++) { 295cd98e85aSSteve Longerbeam if (image_convert_formats[i].fourcc == fourcc) { 296cd98e85aSSteve Longerbeam ret = &image_convert_formats[i]; 297cd98e85aSSteve Longerbeam break; 298cd98e85aSSteve Longerbeam } 299cd98e85aSSteve Longerbeam } 300cd98e85aSSteve Longerbeam 301cd98e85aSSteve Longerbeam return ret; 302cd98e85aSSteve Longerbeam } 303cd98e85aSSteve Longerbeam 304cd98e85aSSteve Longerbeam static void dump_format(struct ipu_image_convert_ctx *ctx, 305cd98e85aSSteve Longerbeam struct ipu_image_convert_image *ic_image) 306cd98e85aSSteve Longerbeam { 307cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 308cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 309cd98e85aSSteve Longerbeam 310cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, 311a3f42419SPhilipp Zabel "task %u: ctx %p: %s format: %dx%d (%dx%d tiles), %c%c%c%c\n", 312cd98e85aSSteve Longerbeam chan->ic_task, ctx, 313cd98e85aSSteve Longerbeam ic_image->type == IMAGE_CONVERT_OUT ? "Output" : "Input", 314cd98e85aSSteve Longerbeam ic_image->base.pix.width, ic_image->base.pix.height, 315cd98e85aSSteve Longerbeam ic_image->num_cols, ic_image->num_rows, 316cd98e85aSSteve Longerbeam ic_image->fmt->fourcc & 0xff, 317cd98e85aSSteve Longerbeam (ic_image->fmt->fourcc >> 8) & 0xff, 318cd98e85aSSteve Longerbeam (ic_image->fmt->fourcc >> 16) & 0xff, 319cd98e85aSSteve Longerbeam (ic_image->fmt->fourcc >> 24) & 0xff); 320cd98e85aSSteve Longerbeam } 321cd98e85aSSteve Longerbeam 322cd98e85aSSteve Longerbeam int ipu_image_convert_enum_format(int index, u32 *fourcc) 323cd98e85aSSteve Longerbeam { 324cd98e85aSSteve Longerbeam const struct ipu_image_pixfmt *fmt; 325cd98e85aSSteve Longerbeam 326cd98e85aSSteve Longerbeam if (index >= (int)ARRAY_SIZE(image_convert_formats)) 327cd98e85aSSteve Longerbeam return -EINVAL; 328cd98e85aSSteve Longerbeam 329cd98e85aSSteve Longerbeam /* Format found */ 330cd98e85aSSteve Longerbeam fmt = &image_convert_formats[index]; 331cd98e85aSSteve Longerbeam *fourcc = fmt->fourcc; 332cd98e85aSSteve Longerbeam return 0; 333cd98e85aSSteve Longerbeam } 334cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_enum_format); 335cd98e85aSSteve Longerbeam 336cd98e85aSSteve Longerbeam static void free_dma_buf(struct ipu_image_convert_priv *priv, 337cd98e85aSSteve Longerbeam struct ipu_image_convert_dma_buf *buf) 338cd98e85aSSteve Longerbeam { 339cd98e85aSSteve Longerbeam if (buf->virt) 340cd98e85aSSteve Longerbeam dma_free_coherent(priv->ipu->dev, 341cd98e85aSSteve Longerbeam buf->len, buf->virt, buf->phys); 342cd98e85aSSteve Longerbeam buf->virt = NULL; 343cd98e85aSSteve Longerbeam buf->phys = 0; 344cd98e85aSSteve Longerbeam } 345cd98e85aSSteve Longerbeam 346cd98e85aSSteve Longerbeam static int alloc_dma_buf(struct ipu_image_convert_priv *priv, 347cd98e85aSSteve Longerbeam struct ipu_image_convert_dma_buf *buf, 348cd98e85aSSteve Longerbeam int size) 349cd98e85aSSteve Longerbeam { 350cd98e85aSSteve Longerbeam buf->len = PAGE_ALIGN(size); 351cd98e85aSSteve Longerbeam buf->virt = dma_alloc_coherent(priv->ipu->dev, buf->len, &buf->phys, 352cd98e85aSSteve Longerbeam GFP_DMA | GFP_KERNEL); 353cd98e85aSSteve Longerbeam if (!buf->virt) { 354cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "failed to alloc dma buffer\n"); 355cd98e85aSSteve Longerbeam return -ENOMEM; 356cd98e85aSSteve Longerbeam } 357cd98e85aSSteve Longerbeam 358cd98e85aSSteve Longerbeam return 0; 359cd98e85aSSteve Longerbeam } 360cd98e85aSSteve Longerbeam 361cd98e85aSSteve Longerbeam static inline int num_stripes(int dim) 362cd98e85aSSteve Longerbeam { 363cd98e85aSSteve Longerbeam if (dim <= 1024) 364cd98e85aSSteve Longerbeam return 1; 365cd98e85aSSteve Longerbeam else if (dim <= 2048) 366cd98e85aSSteve Longerbeam return 2; 367cd98e85aSSteve Longerbeam else 368cd98e85aSSteve Longerbeam return 4; 369cd98e85aSSteve Longerbeam } 370cd98e85aSSteve Longerbeam 37170b9b6b3SPhilipp Zabel /* 37270b9b6b3SPhilipp Zabel * Calculate downsizing coefficients, which are the same for all tiles, 37370b9b6b3SPhilipp Zabel * and bilinear resizing coefficients, which are used to find the best 37470b9b6b3SPhilipp Zabel * seam positions. 37570b9b6b3SPhilipp Zabel */ 37670b9b6b3SPhilipp Zabel static int calc_image_resize_coefficients(struct ipu_image_convert_ctx *ctx, 37770b9b6b3SPhilipp Zabel struct ipu_image *in, 37870b9b6b3SPhilipp Zabel struct ipu_image *out) 37970b9b6b3SPhilipp Zabel { 38070b9b6b3SPhilipp Zabel u32 downsized_width = in->rect.width; 38170b9b6b3SPhilipp Zabel u32 downsized_height = in->rect.height; 38270b9b6b3SPhilipp Zabel u32 downsize_coeff_v = 0; 38370b9b6b3SPhilipp Zabel u32 downsize_coeff_h = 0; 38470b9b6b3SPhilipp Zabel u32 resized_width = out->rect.width; 38570b9b6b3SPhilipp Zabel u32 resized_height = out->rect.height; 38670b9b6b3SPhilipp Zabel u32 resize_coeff_h; 38770b9b6b3SPhilipp Zabel u32 resize_coeff_v; 38870b9b6b3SPhilipp Zabel 38970b9b6b3SPhilipp Zabel if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 39070b9b6b3SPhilipp Zabel resized_width = out->rect.height; 39170b9b6b3SPhilipp Zabel resized_height = out->rect.width; 39270b9b6b3SPhilipp Zabel } 39370b9b6b3SPhilipp Zabel 39470b9b6b3SPhilipp Zabel /* Do not let invalid input lead to an endless loop below */ 39570b9b6b3SPhilipp Zabel if (WARN_ON(resized_width == 0 || resized_height == 0)) 39670b9b6b3SPhilipp Zabel return -EINVAL; 39770b9b6b3SPhilipp Zabel 39870b9b6b3SPhilipp Zabel while (downsized_width >= resized_width * 2) { 39970b9b6b3SPhilipp Zabel downsized_width >>= 1; 40070b9b6b3SPhilipp Zabel downsize_coeff_h++; 40170b9b6b3SPhilipp Zabel } 40270b9b6b3SPhilipp Zabel 40370b9b6b3SPhilipp Zabel while (downsized_height >= resized_height * 2) { 40470b9b6b3SPhilipp Zabel downsized_height >>= 1; 40570b9b6b3SPhilipp Zabel downsize_coeff_v++; 40670b9b6b3SPhilipp Zabel } 40770b9b6b3SPhilipp Zabel 40870b9b6b3SPhilipp Zabel /* 40970b9b6b3SPhilipp Zabel * Calculate the bilinear resizing coefficients that could be used if 41070b9b6b3SPhilipp Zabel * we were converting with a single tile. The bottom right output pixel 41170b9b6b3SPhilipp Zabel * should sample as close as possible to the bottom right input pixel 41270b9b6b3SPhilipp Zabel * out of the decimator, but not overshoot it: 41370b9b6b3SPhilipp Zabel */ 41470b9b6b3SPhilipp Zabel resize_coeff_h = 8192 * (downsized_width - 1) / (resized_width - 1); 41570b9b6b3SPhilipp Zabel resize_coeff_v = 8192 * (downsized_height - 1) / (resized_height - 1); 41670b9b6b3SPhilipp Zabel 41770b9b6b3SPhilipp Zabel dev_dbg(ctx->chan->priv->ipu->dev, 41870b9b6b3SPhilipp Zabel "%s: hscale: >>%u, *8192/%u vscale: >>%u, *8192/%u, %ux%u tiles\n", 41970b9b6b3SPhilipp Zabel __func__, downsize_coeff_h, resize_coeff_h, downsize_coeff_v, 42070b9b6b3SPhilipp Zabel resize_coeff_v, ctx->in.num_cols, ctx->in.num_rows); 42170b9b6b3SPhilipp Zabel 42270b9b6b3SPhilipp Zabel if (downsize_coeff_h > 2 || downsize_coeff_v > 2 || 42370b9b6b3SPhilipp Zabel resize_coeff_h > 0x3fff || resize_coeff_v > 0x3fff) 42470b9b6b3SPhilipp Zabel return -EINVAL; 42570b9b6b3SPhilipp Zabel 42670b9b6b3SPhilipp Zabel ctx->downsize_coeff_h = downsize_coeff_h; 42770b9b6b3SPhilipp Zabel ctx->downsize_coeff_v = downsize_coeff_v; 42870b9b6b3SPhilipp Zabel ctx->image_resize_coeff_h = resize_coeff_h; 42970b9b6b3SPhilipp Zabel ctx->image_resize_coeff_v = resize_coeff_v; 43070b9b6b3SPhilipp Zabel 43170b9b6b3SPhilipp Zabel return 0; 43270b9b6b3SPhilipp Zabel } 43370b9b6b3SPhilipp Zabel 43464fbae5eSPhilipp Zabel #define round_closest(x, y) round_down((x) + (y)/2, (y)) 43564fbae5eSPhilipp Zabel 43664fbae5eSPhilipp Zabel /* 43764fbae5eSPhilipp Zabel * Find the best aligned seam position in the inverval [out_start, out_end]. 43864fbae5eSPhilipp Zabel * Rotation and image offsets are out of scope. 43964fbae5eSPhilipp Zabel * 44064fbae5eSPhilipp Zabel * @out_start: start of inverval, must be within 1024 pixels / lines 44164fbae5eSPhilipp Zabel * of out_end 44264fbae5eSPhilipp Zabel * @out_end: end of interval, smaller than or equal to out_edge 44364fbae5eSPhilipp Zabel * @in_edge: input right / bottom edge 44464fbae5eSPhilipp Zabel * @out_edge: output right / bottom edge 44564fbae5eSPhilipp Zabel * @in_align: input alignment, either horizontal 8-byte line start address 44664fbae5eSPhilipp Zabel * alignment, or pixel alignment due to image format 44764fbae5eSPhilipp Zabel * @out_align: output alignment, either horizontal 8-byte line start address 44864fbae5eSPhilipp Zabel * alignment, or pixel alignment due to image format or rotator 44964fbae5eSPhilipp Zabel * block size 45064fbae5eSPhilipp Zabel * @in_burst: horizontal input burst size in case of horizontal flip 45164fbae5eSPhilipp Zabel * @out_burst: horizontal output burst size or rotator block size 45264fbae5eSPhilipp Zabel * @downsize_coeff: downsizing section coefficient 45364fbae5eSPhilipp Zabel * @resize_coeff: main processing section resizing coefficient 45464fbae5eSPhilipp Zabel * @_in_seam: aligned input seam position return value 45564fbae5eSPhilipp Zabel * @_out_seam: aligned output seam position return value 45664fbae5eSPhilipp Zabel */ 45764fbae5eSPhilipp Zabel static void find_best_seam(struct ipu_image_convert_ctx *ctx, 45864fbae5eSPhilipp Zabel unsigned int out_start, 45964fbae5eSPhilipp Zabel unsigned int out_end, 46064fbae5eSPhilipp Zabel unsigned int in_edge, 46164fbae5eSPhilipp Zabel unsigned int out_edge, 46264fbae5eSPhilipp Zabel unsigned int in_align, 46364fbae5eSPhilipp Zabel unsigned int out_align, 46464fbae5eSPhilipp Zabel unsigned int in_burst, 46564fbae5eSPhilipp Zabel unsigned int out_burst, 46664fbae5eSPhilipp Zabel unsigned int downsize_coeff, 46764fbae5eSPhilipp Zabel unsigned int resize_coeff, 46864fbae5eSPhilipp Zabel u32 *_in_seam, 46964fbae5eSPhilipp Zabel u32 *_out_seam) 47064fbae5eSPhilipp Zabel { 47164fbae5eSPhilipp Zabel struct device *dev = ctx->chan->priv->ipu->dev; 47264fbae5eSPhilipp Zabel unsigned int out_pos; 47364fbae5eSPhilipp Zabel /* Input / output seam position candidates */ 47464fbae5eSPhilipp Zabel unsigned int out_seam = 0; 47564fbae5eSPhilipp Zabel unsigned int in_seam = 0; 47664fbae5eSPhilipp Zabel unsigned int min_diff = UINT_MAX; 47764fbae5eSPhilipp Zabel 47864fbae5eSPhilipp Zabel /* 47964fbae5eSPhilipp Zabel * Output tiles must start at a multiple of 8 bytes horizontally and 48064fbae5eSPhilipp Zabel * possibly at an even line horizontally depending on the pixel format. 48164fbae5eSPhilipp Zabel * Only consider output aligned positions for the seam. 48264fbae5eSPhilipp Zabel */ 48364fbae5eSPhilipp Zabel out_start = round_up(out_start, out_align); 48464fbae5eSPhilipp Zabel for (out_pos = out_start; out_pos < out_end; out_pos += out_align) { 48564fbae5eSPhilipp Zabel unsigned int in_pos; 48664fbae5eSPhilipp Zabel unsigned int in_pos_aligned; 48764fbae5eSPhilipp Zabel unsigned int abs_diff; 48864fbae5eSPhilipp Zabel 48964fbae5eSPhilipp Zabel /* 49064fbae5eSPhilipp Zabel * Tiles in the right row / bottom column may not be allowed to 49164fbae5eSPhilipp Zabel * overshoot horizontally / vertically. out_burst may be the 49264fbae5eSPhilipp Zabel * actual DMA burst size, or the rotator block size. 49364fbae5eSPhilipp Zabel */ 49464fbae5eSPhilipp Zabel if ((out_burst > 1) && (out_edge - out_pos) % out_burst) 49564fbae5eSPhilipp Zabel continue; 49664fbae5eSPhilipp Zabel 49764fbae5eSPhilipp Zabel /* 49864fbae5eSPhilipp Zabel * Input sample position, corresponding to out_pos, 19.13 fixed 49964fbae5eSPhilipp Zabel * point. 50064fbae5eSPhilipp Zabel */ 50164fbae5eSPhilipp Zabel in_pos = (out_pos * resize_coeff) << downsize_coeff; 50264fbae5eSPhilipp Zabel /* 50364fbae5eSPhilipp Zabel * The closest input sample position that we could actually 50464fbae5eSPhilipp Zabel * start the input tile at, 19.13 fixed point. 50564fbae5eSPhilipp Zabel */ 50664fbae5eSPhilipp Zabel in_pos_aligned = round_closest(in_pos, 8192U * in_align); 50764fbae5eSPhilipp Zabel 50864fbae5eSPhilipp Zabel if ((in_burst > 1) && 50964fbae5eSPhilipp Zabel (in_edge - in_pos_aligned / 8192U) % in_burst) 51064fbae5eSPhilipp Zabel continue; 51164fbae5eSPhilipp Zabel 51264fbae5eSPhilipp Zabel if (in_pos < in_pos_aligned) 51364fbae5eSPhilipp Zabel abs_diff = in_pos_aligned - in_pos; 51464fbae5eSPhilipp Zabel else 51564fbae5eSPhilipp Zabel abs_diff = in_pos - in_pos_aligned; 51664fbae5eSPhilipp Zabel 51764fbae5eSPhilipp Zabel if (abs_diff < min_diff) { 51864fbae5eSPhilipp Zabel in_seam = in_pos_aligned; 51964fbae5eSPhilipp Zabel out_seam = out_pos; 52064fbae5eSPhilipp Zabel min_diff = abs_diff; 52164fbae5eSPhilipp Zabel } 52264fbae5eSPhilipp Zabel } 52364fbae5eSPhilipp Zabel 52464fbae5eSPhilipp Zabel *_out_seam = out_seam; 52564fbae5eSPhilipp Zabel /* Convert 19.13 fixed point to integer seam position */ 52664fbae5eSPhilipp Zabel *_in_seam = DIV_ROUND_CLOSEST(in_seam, 8192U); 52764fbae5eSPhilipp Zabel 52864fbae5eSPhilipp Zabel dev_dbg(dev, "%s: out_seam %u(%u) in [%u, %u], in_seam %u(%u) diff %u.%03u\n", 52964fbae5eSPhilipp Zabel __func__, out_seam, out_align, out_start, out_end, 53064fbae5eSPhilipp Zabel *_in_seam, in_align, min_diff / 8192, 53164fbae5eSPhilipp Zabel DIV_ROUND_CLOSEST(min_diff % 8192 * 1000, 8192)); 53264fbae5eSPhilipp Zabel } 53364fbae5eSPhilipp Zabel 53464fbae5eSPhilipp Zabel /* 53564fbae5eSPhilipp Zabel * Tile left edges are required to be aligned to multiples of 8 bytes 53664fbae5eSPhilipp Zabel * by the IDMAC. 53764fbae5eSPhilipp Zabel */ 53864fbae5eSPhilipp Zabel static inline u32 tile_left_align(const struct ipu_image_pixfmt *fmt) 53964fbae5eSPhilipp Zabel { 54064fbae5eSPhilipp Zabel if (fmt->planar) 54164fbae5eSPhilipp Zabel return fmt->uv_packed ? 8 : 8 * fmt->uv_width_dec; 54264fbae5eSPhilipp Zabel else 54364fbae5eSPhilipp Zabel return fmt->bpp == 32 ? 2 : fmt->bpp == 16 ? 4 : 8; 54464fbae5eSPhilipp Zabel } 54564fbae5eSPhilipp Zabel 54664fbae5eSPhilipp Zabel /* 54764fbae5eSPhilipp Zabel * Tile top edge alignment is only limited by chroma subsampling. 54864fbae5eSPhilipp Zabel */ 54964fbae5eSPhilipp Zabel static inline u32 tile_top_align(const struct ipu_image_pixfmt *fmt) 55064fbae5eSPhilipp Zabel { 55164fbae5eSPhilipp Zabel return fmt->uv_height_dec > 1 ? 2 : 1; 55264fbae5eSPhilipp Zabel } 55364fbae5eSPhilipp Zabel 55476e77bf5SPhilipp Zabel /* 55576e77bf5SPhilipp Zabel * We have to adjust the tile width such that the tile physaddrs and 55676e77bf5SPhilipp Zabel * U and V plane offsets are multiples of 8 bytes as required by 55776e77bf5SPhilipp Zabel * the IPU DMA Controller. For the planar formats, this corresponds 55876e77bf5SPhilipp Zabel * to a pixel alignment of 16 (but use a more formal equation since 55976e77bf5SPhilipp Zabel * the variables are available). For all the packed formats, 8 is 56076e77bf5SPhilipp Zabel * good enough. 56176e77bf5SPhilipp Zabel */ 56276e77bf5SPhilipp Zabel static inline u32 tile_width_align(const struct ipu_image_pixfmt *fmt) 56376e77bf5SPhilipp Zabel { 56476e77bf5SPhilipp Zabel return fmt->planar ? 8 * fmt->uv_width_dec : 8; 56576e77bf5SPhilipp Zabel } 56676e77bf5SPhilipp Zabel 56776e77bf5SPhilipp Zabel /* 56876e77bf5SPhilipp Zabel * For tile height alignment, we have to ensure that the output tile 56976e77bf5SPhilipp Zabel * heights are multiples of 8 lines if the IRT is required by the 57076e77bf5SPhilipp Zabel * given rotation mode (the IRT performs rotations on 8x8 blocks 57176e77bf5SPhilipp Zabel * at a time). If the IRT is not used, or for input image tiles, 57276e77bf5SPhilipp Zabel * 2 lines are good enough. 57376e77bf5SPhilipp Zabel */ 57476e77bf5SPhilipp Zabel static inline u32 tile_height_align(enum ipu_image_convert_type type, 57576e77bf5SPhilipp Zabel enum ipu_rotate_mode rot_mode) 57676e77bf5SPhilipp Zabel { 57776e77bf5SPhilipp Zabel return (type == IMAGE_CONVERT_OUT && 57876e77bf5SPhilipp Zabel ipu_rot_mode_is_irt(rot_mode)) ? 8 : 2; 57976e77bf5SPhilipp Zabel } 58076e77bf5SPhilipp Zabel 58164fbae5eSPhilipp Zabel /* 58264fbae5eSPhilipp Zabel * Fill in left position and width and for all tiles in an input column, and 58364fbae5eSPhilipp Zabel * for all corresponding output tiles. If the 90° rotator is used, the output 58464fbae5eSPhilipp Zabel * tiles are in a row, and output tile top position and height are set. 58564fbae5eSPhilipp Zabel */ 58664fbae5eSPhilipp Zabel static void fill_tile_column(struct ipu_image_convert_ctx *ctx, 58764fbae5eSPhilipp Zabel unsigned int col, 58864fbae5eSPhilipp Zabel struct ipu_image_convert_image *in, 58964fbae5eSPhilipp Zabel unsigned int in_left, unsigned int in_width, 59064fbae5eSPhilipp Zabel struct ipu_image_convert_image *out, 59164fbae5eSPhilipp Zabel unsigned int out_left, unsigned int out_width) 59264fbae5eSPhilipp Zabel { 59364fbae5eSPhilipp Zabel unsigned int row, tile_idx; 59464fbae5eSPhilipp Zabel struct ipu_image_tile *in_tile, *out_tile; 59564fbae5eSPhilipp Zabel 59664fbae5eSPhilipp Zabel for (row = 0; row < in->num_rows; row++) { 59764fbae5eSPhilipp Zabel tile_idx = in->num_cols * row + col; 59864fbae5eSPhilipp Zabel in_tile = &in->tile[tile_idx]; 59964fbae5eSPhilipp Zabel out_tile = &out->tile[ctx->out_tile_map[tile_idx]]; 60064fbae5eSPhilipp Zabel 60164fbae5eSPhilipp Zabel in_tile->left = in_left; 60264fbae5eSPhilipp Zabel in_tile->width = in_width; 60364fbae5eSPhilipp Zabel 60464fbae5eSPhilipp Zabel if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 60564fbae5eSPhilipp Zabel out_tile->top = out_left; 60664fbae5eSPhilipp Zabel out_tile->height = out_width; 60764fbae5eSPhilipp Zabel } else { 60864fbae5eSPhilipp Zabel out_tile->left = out_left; 60964fbae5eSPhilipp Zabel out_tile->width = out_width; 61064fbae5eSPhilipp Zabel } 61164fbae5eSPhilipp Zabel } 61264fbae5eSPhilipp Zabel } 61364fbae5eSPhilipp Zabel 61464fbae5eSPhilipp Zabel /* 61564fbae5eSPhilipp Zabel * Fill in top position and height and for all tiles in an input row, and 61664fbae5eSPhilipp Zabel * for all corresponding output tiles. If the 90° rotator is used, the output 61764fbae5eSPhilipp Zabel * tiles are in a column, and output tile left position and width are set. 61864fbae5eSPhilipp Zabel */ 61964fbae5eSPhilipp Zabel static void fill_tile_row(struct ipu_image_convert_ctx *ctx, unsigned int row, 62064fbae5eSPhilipp Zabel struct ipu_image_convert_image *in, 62164fbae5eSPhilipp Zabel unsigned int in_top, unsigned int in_height, 62264fbae5eSPhilipp Zabel struct ipu_image_convert_image *out, 62364fbae5eSPhilipp Zabel unsigned int out_top, unsigned int out_height) 62464fbae5eSPhilipp Zabel { 62564fbae5eSPhilipp Zabel unsigned int col, tile_idx; 62664fbae5eSPhilipp Zabel struct ipu_image_tile *in_tile, *out_tile; 62764fbae5eSPhilipp Zabel 62864fbae5eSPhilipp Zabel for (col = 0; col < in->num_cols; col++) { 62964fbae5eSPhilipp Zabel tile_idx = in->num_cols * row + col; 63064fbae5eSPhilipp Zabel in_tile = &in->tile[tile_idx]; 63164fbae5eSPhilipp Zabel out_tile = &out->tile[ctx->out_tile_map[tile_idx]]; 63264fbae5eSPhilipp Zabel 63364fbae5eSPhilipp Zabel in_tile->top = in_top; 63464fbae5eSPhilipp Zabel in_tile->height = in_height; 63564fbae5eSPhilipp Zabel 63664fbae5eSPhilipp Zabel if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 63764fbae5eSPhilipp Zabel out_tile->left = out_top; 63864fbae5eSPhilipp Zabel out_tile->width = out_height; 63964fbae5eSPhilipp Zabel } else { 64064fbae5eSPhilipp Zabel out_tile->top = out_top; 64164fbae5eSPhilipp Zabel out_tile->height = out_height; 64264fbae5eSPhilipp Zabel } 64364fbae5eSPhilipp Zabel } 64464fbae5eSPhilipp Zabel } 64564fbae5eSPhilipp Zabel 64664fbae5eSPhilipp Zabel /* 64764fbae5eSPhilipp Zabel * Find the best horizontal and vertical seam positions to split into tiles. 64864fbae5eSPhilipp Zabel * Minimize the fractional part of the input sampling position for the 64964fbae5eSPhilipp Zabel * top / left pixels of each tile. 65064fbae5eSPhilipp Zabel */ 65164fbae5eSPhilipp Zabel static void find_seams(struct ipu_image_convert_ctx *ctx, 65264fbae5eSPhilipp Zabel struct ipu_image_convert_image *in, 65364fbae5eSPhilipp Zabel struct ipu_image_convert_image *out) 65464fbae5eSPhilipp Zabel { 65564fbae5eSPhilipp Zabel struct device *dev = ctx->chan->priv->ipu->dev; 65664fbae5eSPhilipp Zabel unsigned int resized_width = out->base.rect.width; 65764fbae5eSPhilipp Zabel unsigned int resized_height = out->base.rect.height; 65864fbae5eSPhilipp Zabel unsigned int col; 65964fbae5eSPhilipp Zabel unsigned int row; 66064fbae5eSPhilipp Zabel unsigned int in_left_align = tile_left_align(in->fmt); 66164fbae5eSPhilipp Zabel unsigned int in_top_align = tile_top_align(in->fmt); 66264fbae5eSPhilipp Zabel unsigned int out_left_align = tile_left_align(out->fmt); 66364fbae5eSPhilipp Zabel unsigned int out_top_align = tile_top_align(out->fmt); 66464fbae5eSPhilipp Zabel unsigned int out_width_align = tile_width_align(out->fmt); 66564fbae5eSPhilipp Zabel unsigned int out_height_align = tile_height_align(out->type, 66664fbae5eSPhilipp Zabel ctx->rot_mode); 66764fbae5eSPhilipp Zabel unsigned int in_right = in->base.rect.width; 66864fbae5eSPhilipp Zabel unsigned int in_bottom = in->base.rect.height; 66964fbae5eSPhilipp Zabel unsigned int out_right = out->base.rect.width; 67064fbae5eSPhilipp Zabel unsigned int out_bottom = out->base.rect.height; 67164fbae5eSPhilipp Zabel unsigned int flipped_out_left; 67264fbae5eSPhilipp Zabel unsigned int flipped_out_top; 67364fbae5eSPhilipp Zabel 67464fbae5eSPhilipp Zabel if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 67564fbae5eSPhilipp Zabel /* Switch width/height and align top left to IRT block size */ 67664fbae5eSPhilipp Zabel resized_width = out->base.rect.height; 67764fbae5eSPhilipp Zabel resized_height = out->base.rect.width; 67864fbae5eSPhilipp Zabel out_left_align = out_height_align; 67964fbae5eSPhilipp Zabel out_top_align = out_width_align; 68064fbae5eSPhilipp Zabel out_width_align = out_left_align; 68164fbae5eSPhilipp Zabel out_height_align = out_top_align; 68264fbae5eSPhilipp Zabel out_right = out->base.rect.height; 68364fbae5eSPhilipp Zabel out_bottom = out->base.rect.width; 68464fbae5eSPhilipp Zabel } 68564fbae5eSPhilipp Zabel 68664fbae5eSPhilipp Zabel for (col = in->num_cols - 1; col > 0; col--) { 68764fbae5eSPhilipp Zabel bool allow_in_overshoot = ipu_rot_mode_is_irt(ctx->rot_mode) || 68864fbae5eSPhilipp Zabel !(ctx->rot_mode & IPU_ROT_BIT_HFLIP); 68964fbae5eSPhilipp Zabel bool allow_out_overshoot = (col < in->num_cols - 1) && 69064fbae5eSPhilipp Zabel !(ctx->rot_mode & IPU_ROT_BIT_HFLIP); 69164fbae5eSPhilipp Zabel unsigned int out_start; 69264fbae5eSPhilipp Zabel unsigned int out_end; 69364fbae5eSPhilipp Zabel unsigned int in_left; 69464fbae5eSPhilipp Zabel unsigned int out_left; 69564fbae5eSPhilipp Zabel 69664fbae5eSPhilipp Zabel /* 69764fbae5eSPhilipp Zabel * Align input width to burst length if the scaling step flips 69864fbae5eSPhilipp Zabel * horizontally. 69964fbae5eSPhilipp Zabel */ 70064fbae5eSPhilipp Zabel 70164fbae5eSPhilipp Zabel /* Start within 1024 pixels of the right edge */ 70264fbae5eSPhilipp Zabel out_start = max_t(int, 0, out_right - 1024); 70364fbae5eSPhilipp Zabel /* End before having to add more columns to the left */ 70464fbae5eSPhilipp Zabel out_end = min_t(unsigned int, out_right, col * 1024); 70564fbae5eSPhilipp Zabel 70664fbae5eSPhilipp Zabel find_best_seam(ctx, out_start, out_end, 70764fbae5eSPhilipp Zabel in_right, out_right, 70864fbae5eSPhilipp Zabel in_left_align, out_left_align, 70964fbae5eSPhilipp Zabel allow_in_overshoot ? 1 : 8 /* burst length */, 71064fbae5eSPhilipp Zabel allow_out_overshoot ? 1 : out_width_align, 71164fbae5eSPhilipp Zabel ctx->downsize_coeff_h, ctx->image_resize_coeff_h, 71264fbae5eSPhilipp Zabel &in_left, &out_left); 71364fbae5eSPhilipp Zabel 71464fbae5eSPhilipp Zabel if (ctx->rot_mode & IPU_ROT_BIT_HFLIP) 71564fbae5eSPhilipp Zabel flipped_out_left = resized_width - out_right; 71664fbae5eSPhilipp Zabel else 71764fbae5eSPhilipp Zabel flipped_out_left = out_left; 71864fbae5eSPhilipp Zabel 71964fbae5eSPhilipp Zabel fill_tile_column(ctx, col, in, in_left, in_right - in_left, 72064fbae5eSPhilipp Zabel out, flipped_out_left, out_right - out_left); 72164fbae5eSPhilipp Zabel 72264fbae5eSPhilipp Zabel dev_dbg(dev, "%s: col %u: %u, %u -> %u, %u\n", __func__, col, 72364fbae5eSPhilipp Zabel in_left, in_right - in_left, 72464fbae5eSPhilipp Zabel flipped_out_left, out_right - out_left); 72564fbae5eSPhilipp Zabel 72664fbae5eSPhilipp Zabel in_right = in_left; 72764fbae5eSPhilipp Zabel out_right = out_left; 72864fbae5eSPhilipp Zabel } 72964fbae5eSPhilipp Zabel 73064fbae5eSPhilipp Zabel flipped_out_left = (ctx->rot_mode & IPU_ROT_BIT_HFLIP) ? 73164fbae5eSPhilipp Zabel resized_width - out_right : 0; 73264fbae5eSPhilipp Zabel 73364fbae5eSPhilipp Zabel fill_tile_column(ctx, 0, in, 0, in_right, 73464fbae5eSPhilipp Zabel out, flipped_out_left, out_right); 73564fbae5eSPhilipp Zabel 73664fbae5eSPhilipp Zabel dev_dbg(dev, "%s: col 0: 0, %u -> %u, %u\n", __func__, 73764fbae5eSPhilipp Zabel in_right, flipped_out_left, out_right); 73864fbae5eSPhilipp Zabel 73964fbae5eSPhilipp Zabel for (row = in->num_rows - 1; row > 0; row--) { 74064fbae5eSPhilipp Zabel bool allow_overshoot = row < in->num_rows - 1; 74164fbae5eSPhilipp Zabel unsigned int out_start; 74264fbae5eSPhilipp Zabel unsigned int out_end; 74364fbae5eSPhilipp Zabel unsigned int in_top; 74464fbae5eSPhilipp Zabel unsigned int out_top; 74564fbae5eSPhilipp Zabel 74664fbae5eSPhilipp Zabel /* Start within 1024 lines of the bottom edge */ 74764fbae5eSPhilipp Zabel out_start = max_t(int, 0, out_bottom - 1024); 74864fbae5eSPhilipp Zabel /* End before having to add more rows above */ 74964fbae5eSPhilipp Zabel out_end = min_t(unsigned int, out_bottom, row * 1024); 75064fbae5eSPhilipp Zabel 75164fbae5eSPhilipp Zabel find_best_seam(ctx, out_start, out_end, 75264fbae5eSPhilipp Zabel in_bottom, out_bottom, 75364fbae5eSPhilipp Zabel in_top_align, out_top_align, 75464fbae5eSPhilipp Zabel 1, allow_overshoot ? 1 : out_height_align, 75564fbae5eSPhilipp Zabel ctx->downsize_coeff_v, ctx->image_resize_coeff_v, 75664fbae5eSPhilipp Zabel &in_top, &out_top); 75764fbae5eSPhilipp Zabel 75864fbae5eSPhilipp Zabel if ((ctx->rot_mode & IPU_ROT_BIT_VFLIP) ^ 75964fbae5eSPhilipp Zabel ipu_rot_mode_is_irt(ctx->rot_mode)) 76064fbae5eSPhilipp Zabel flipped_out_top = resized_height - out_bottom; 76164fbae5eSPhilipp Zabel else 76264fbae5eSPhilipp Zabel flipped_out_top = out_top; 76364fbae5eSPhilipp Zabel 76464fbae5eSPhilipp Zabel fill_tile_row(ctx, row, in, in_top, in_bottom - in_top, 76564fbae5eSPhilipp Zabel out, flipped_out_top, out_bottom - out_top); 76664fbae5eSPhilipp Zabel 76764fbae5eSPhilipp Zabel dev_dbg(dev, "%s: row %u: %u, %u -> %u, %u\n", __func__, row, 76864fbae5eSPhilipp Zabel in_top, in_bottom - in_top, 76964fbae5eSPhilipp Zabel flipped_out_top, out_bottom - out_top); 77064fbae5eSPhilipp Zabel 77164fbae5eSPhilipp Zabel in_bottom = in_top; 77264fbae5eSPhilipp Zabel out_bottom = out_top; 77364fbae5eSPhilipp Zabel } 77464fbae5eSPhilipp Zabel 77564fbae5eSPhilipp Zabel if ((ctx->rot_mode & IPU_ROT_BIT_VFLIP) ^ 77664fbae5eSPhilipp Zabel ipu_rot_mode_is_irt(ctx->rot_mode)) 77764fbae5eSPhilipp Zabel flipped_out_top = resized_height - out_bottom; 77864fbae5eSPhilipp Zabel else 77964fbae5eSPhilipp Zabel flipped_out_top = 0; 78064fbae5eSPhilipp Zabel 78164fbae5eSPhilipp Zabel fill_tile_row(ctx, 0, in, 0, in_bottom, 78264fbae5eSPhilipp Zabel out, flipped_out_top, out_bottom); 78364fbae5eSPhilipp Zabel 78464fbae5eSPhilipp Zabel dev_dbg(dev, "%s: row 0: 0, %u -> %u, %u\n", __func__, 78564fbae5eSPhilipp Zabel in_bottom, flipped_out_top, out_bottom); 78664fbae5eSPhilipp Zabel } 78764fbae5eSPhilipp Zabel 788cd98e85aSSteve Longerbeam static void calc_tile_dimensions(struct ipu_image_convert_ctx *ctx, 789cd98e85aSSteve Longerbeam struct ipu_image_convert_image *image) 790cd98e85aSSteve Longerbeam { 791a3f42419SPhilipp Zabel struct ipu_image_convert_chan *chan = ctx->chan; 792a3f42419SPhilipp Zabel struct ipu_image_convert_priv *priv = chan->priv; 793571dd82cSPhilipp Zabel unsigned int i; 794cd98e85aSSteve Longerbeam 795cd98e85aSSteve Longerbeam for (i = 0; i < ctx->num_tiles; i++) { 79664fbae5eSPhilipp Zabel struct ipu_image_tile *tile; 797571dd82cSPhilipp Zabel const unsigned int row = i / image->num_cols; 798571dd82cSPhilipp Zabel const unsigned int col = i % image->num_cols; 799cd98e85aSSteve Longerbeam 80064fbae5eSPhilipp Zabel if (image->type == IMAGE_CONVERT_OUT) 80164fbae5eSPhilipp Zabel tile = &image->tile[ctx->out_tile_map[i]]; 80264fbae5eSPhilipp Zabel else 80364fbae5eSPhilipp Zabel tile = &image->tile[i]; 80464fbae5eSPhilipp Zabel 805cd98e85aSSteve Longerbeam tile->size = ((tile->height * image->fmt->bpp) >> 3) * 806cd98e85aSSteve Longerbeam tile->width; 807cd98e85aSSteve Longerbeam 808cd98e85aSSteve Longerbeam if (image->fmt->planar) { 809cd98e85aSSteve Longerbeam tile->stride = tile->width; 810cd98e85aSSteve Longerbeam tile->rot_stride = tile->height; 811cd98e85aSSteve Longerbeam } else { 812cd98e85aSSteve Longerbeam tile->stride = 813cd98e85aSSteve Longerbeam (image->fmt->bpp * tile->width) >> 3; 814cd98e85aSSteve Longerbeam tile->rot_stride = 815cd98e85aSSteve Longerbeam (image->fmt->bpp * tile->height) >> 3; 816cd98e85aSSteve Longerbeam } 817a3f42419SPhilipp Zabel 818a3f42419SPhilipp Zabel dev_dbg(priv->ipu->dev, 819a3f42419SPhilipp Zabel "task %u: ctx %p: %s@[%u,%u]: %ux%u@%u,%u\n", 820a3f42419SPhilipp Zabel chan->ic_task, ctx, 821a3f42419SPhilipp Zabel image->type == IMAGE_CONVERT_IN ? "Input" : "Output", 822a3f42419SPhilipp Zabel row, col, 823a3f42419SPhilipp Zabel tile->width, tile->height, tile->left, tile->top); 824cd98e85aSSteve Longerbeam } 825cd98e85aSSteve Longerbeam } 826cd98e85aSSteve Longerbeam 827cd98e85aSSteve Longerbeam /* 828cd98e85aSSteve Longerbeam * Use the rotation transformation to find the tile coordinates 829cd98e85aSSteve Longerbeam * (row, col) of a tile in the destination frame that corresponds 830cd98e85aSSteve Longerbeam * to the given tile coordinates of a source frame. The destination 831cd98e85aSSteve Longerbeam * coordinate is then converted to a tile index. 832cd98e85aSSteve Longerbeam */ 833cd98e85aSSteve Longerbeam static int transform_tile_index(struct ipu_image_convert_ctx *ctx, 834cd98e85aSSteve Longerbeam int src_row, int src_col) 835cd98e85aSSteve Longerbeam { 836cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 837cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 838cd98e85aSSteve Longerbeam struct ipu_image_convert_image *s_image = &ctx->in; 839cd98e85aSSteve Longerbeam struct ipu_image_convert_image *d_image = &ctx->out; 840cd98e85aSSteve Longerbeam int dst_row, dst_col; 841cd98e85aSSteve Longerbeam 842cd98e85aSSteve Longerbeam /* with no rotation it's a 1:1 mapping */ 843cd98e85aSSteve Longerbeam if (ctx->rot_mode == IPU_ROTATE_NONE) 844cd98e85aSSteve Longerbeam return src_row * s_image->num_cols + src_col; 845cd98e85aSSteve Longerbeam 846cd98e85aSSteve Longerbeam /* 847cd98e85aSSteve Longerbeam * before doing the transform, first we have to translate 848cd98e85aSSteve Longerbeam * source row,col for an origin in the center of s_image 849cd98e85aSSteve Longerbeam */ 850cd98e85aSSteve Longerbeam src_row = src_row * 2 - (s_image->num_rows - 1); 851cd98e85aSSteve Longerbeam src_col = src_col * 2 - (s_image->num_cols - 1); 852cd98e85aSSteve Longerbeam 853cd98e85aSSteve Longerbeam /* do the rotation transform */ 854cd98e85aSSteve Longerbeam if (ctx->rot_mode & IPU_ROT_BIT_90) { 855cd98e85aSSteve Longerbeam dst_col = -src_row; 856cd98e85aSSteve Longerbeam dst_row = src_col; 857cd98e85aSSteve Longerbeam } else { 858cd98e85aSSteve Longerbeam dst_col = src_col; 859cd98e85aSSteve Longerbeam dst_row = src_row; 860cd98e85aSSteve Longerbeam } 861cd98e85aSSteve Longerbeam 862cd98e85aSSteve Longerbeam /* apply flip */ 863cd98e85aSSteve Longerbeam if (ctx->rot_mode & IPU_ROT_BIT_HFLIP) 864cd98e85aSSteve Longerbeam dst_col = -dst_col; 865cd98e85aSSteve Longerbeam if (ctx->rot_mode & IPU_ROT_BIT_VFLIP) 866cd98e85aSSteve Longerbeam dst_row = -dst_row; 867cd98e85aSSteve Longerbeam 868cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, "task %u: ctx %p: [%d,%d] --> [%d,%d]\n", 869cd98e85aSSteve Longerbeam chan->ic_task, ctx, src_col, src_row, dst_col, dst_row); 870cd98e85aSSteve Longerbeam 871cd98e85aSSteve Longerbeam /* 872cd98e85aSSteve Longerbeam * finally translate dest row,col using an origin in upper 873cd98e85aSSteve Longerbeam * left of d_image 874cd98e85aSSteve Longerbeam */ 875cd98e85aSSteve Longerbeam dst_row += d_image->num_rows - 1; 876cd98e85aSSteve Longerbeam dst_col += d_image->num_cols - 1; 877cd98e85aSSteve Longerbeam dst_row /= 2; 878cd98e85aSSteve Longerbeam dst_col /= 2; 879cd98e85aSSteve Longerbeam 880cd98e85aSSteve Longerbeam return dst_row * d_image->num_cols + dst_col; 881cd98e85aSSteve Longerbeam } 882cd98e85aSSteve Longerbeam 883cd98e85aSSteve Longerbeam /* 884cd98e85aSSteve Longerbeam * Fill the out_tile_map[] with transformed destination tile indeces. 885cd98e85aSSteve Longerbeam */ 886cd98e85aSSteve Longerbeam static void calc_out_tile_map(struct ipu_image_convert_ctx *ctx) 887cd98e85aSSteve Longerbeam { 888cd98e85aSSteve Longerbeam struct ipu_image_convert_image *s_image = &ctx->in; 889cd98e85aSSteve Longerbeam unsigned int row, col, tile = 0; 890cd98e85aSSteve Longerbeam 891cd98e85aSSteve Longerbeam for (row = 0; row < s_image->num_rows; row++) { 892cd98e85aSSteve Longerbeam for (col = 0; col < s_image->num_cols; col++) { 893cd98e85aSSteve Longerbeam ctx->out_tile_map[tile] = 894cd98e85aSSteve Longerbeam transform_tile_index(ctx, row, col); 895cd98e85aSSteve Longerbeam tile++; 896cd98e85aSSteve Longerbeam } 897cd98e85aSSteve Longerbeam } 898cd98e85aSSteve Longerbeam } 899cd98e85aSSteve Longerbeam 900c4e45658SSteve Longerbeam static int calc_tile_offsets_planar(struct ipu_image_convert_ctx *ctx, 901cd98e85aSSteve Longerbeam struct ipu_image_convert_image *image) 902cd98e85aSSteve Longerbeam { 903cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 904cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 905cd98e85aSSteve Longerbeam const struct ipu_image_pixfmt *fmt = image->fmt; 906cd98e85aSSteve Longerbeam unsigned int row, col, tile = 0; 907571dd82cSPhilipp Zabel u32 H, top, y_stride, uv_stride; 908cd98e85aSSteve Longerbeam u32 uv_row_off, uv_col_off, uv_off, u_off, v_off, tmp; 909cd98e85aSSteve Longerbeam u32 y_row_off, y_col_off, y_off; 910cd98e85aSSteve Longerbeam u32 y_size, uv_size; 911cd98e85aSSteve Longerbeam 912cd98e85aSSteve Longerbeam /* setup some convenience vars */ 913cd98e85aSSteve Longerbeam H = image->base.pix.height; 914cd98e85aSSteve Longerbeam 915cd98e85aSSteve Longerbeam y_stride = image->stride; 916cd98e85aSSteve Longerbeam uv_stride = y_stride / fmt->uv_width_dec; 917cd98e85aSSteve Longerbeam if (fmt->uv_packed) 918cd98e85aSSteve Longerbeam uv_stride *= 2; 919cd98e85aSSteve Longerbeam 920cd98e85aSSteve Longerbeam y_size = H * y_stride; 921cd98e85aSSteve Longerbeam uv_size = y_size / (fmt->uv_width_dec * fmt->uv_height_dec); 922cd98e85aSSteve Longerbeam 923cd98e85aSSteve Longerbeam for (row = 0; row < image->num_rows; row++) { 924571dd82cSPhilipp Zabel top = image->tile[tile].top; 925571dd82cSPhilipp Zabel y_row_off = top * y_stride; 926571dd82cSPhilipp Zabel uv_row_off = (top * uv_stride) / fmt->uv_height_dec; 927cd98e85aSSteve Longerbeam 928cd98e85aSSteve Longerbeam for (col = 0; col < image->num_cols; col++) { 929571dd82cSPhilipp Zabel y_col_off = image->tile[tile].left; 930cd98e85aSSteve Longerbeam uv_col_off = y_col_off / fmt->uv_width_dec; 931cd98e85aSSteve Longerbeam if (fmt->uv_packed) 932cd98e85aSSteve Longerbeam uv_col_off *= 2; 933cd98e85aSSteve Longerbeam 934cd98e85aSSteve Longerbeam y_off = y_row_off + y_col_off; 935cd98e85aSSteve Longerbeam uv_off = uv_row_off + uv_col_off; 936cd98e85aSSteve Longerbeam 937cd98e85aSSteve Longerbeam u_off = y_size - y_off + uv_off; 938cd98e85aSSteve Longerbeam v_off = (fmt->uv_packed) ? 0 : u_off + uv_size; 939cd98e85aSSteve Longerbeam if (fmt->uv_swapped) { 940cd98e85aSSteve Longerbeam tmp = u_off; 941cd98e85aSSteve Longerbeam u_off = v_off; 942cd98e85aSSteve Longerbeam v_off = tmp; 943cd98e85aSSteve Longerbeam } 944cd98e85aSSteve Longerbeam 945cd98e85aSSteve Longerbeam image->tile[tile].offset = y_off; 946cd98e85aSSteve Longerbeam image->tile[tile].u_off = u_off; 947cd98e85aSSteve Longerbeam image->tile[tile++].v_off = v_off; 948cd98e85aSSteve Longerbeam 949c4e45658SSteve Longerbeam if ((y_off & 0x7) || (u_off & 0x7) || (v_off & 0x7)) { 950c4e45658SSteve Longerbeam dev_err(priv->ipu->dev, 951c4e45658SSteve Longerbeam "task %u: ctx %p: %s@[%d,%d]: " 952c4e45658SSteve Longerbeam "y_off %08x, u_off %08x, v_off %08x\n", 953cd98e85aSSteve Longerbeam chan->ic_task, ctx, 954cd98e85aSSteve Longerbeam image->type == IMAGE_CONVERT_IN ? 955cd98e85aSSteve Longerbeam "Input" : "Output", row, col, 956cd98e85aSSteve Longerbeam y_off, u_off, v_off); 957c4e45658SSteve Longerbeam return -EINVAL; 958cd98e85aSSteve Longerbeam } 959cd98e85aSSteve Longerbeam } 960cd98e85aSSteve Longerbeam } 961cd98e85aSSteve Longerbeam 962c4e45658SSteve Longerbeam return 0; 963c4e45658SSteve Longerbeam } 964c4e45658SSteve Longerbeam 965c4e45658SSteve Longerbeam static int calc_tile_offsets_packed(struct ipu_image_convert_ctx *ctx, 966cd98e85aSSteve Longerbeam struct ipu_image_convert_image *image) 967cd98e85aSSteve Longerbeam { 968cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 969cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 970cd98e85aSSteve Longerbeam const struct ipu_image_pixfmt *fmt = image->fmt; 971cd98e85aSSteve Longerbeam unsigned int row, col, tile = 0; 972571dd82cSPhilipp Zabel u32 bpp, stride, offset; 973cd98e85aSSteve Longerbeam u32 row_off, col_off; 974cd98e85aSSteve Longerbeam 975cd98e85aSSteve Longerbeam /* setup some convenience vars */ 976cd98e85aSSteve Longerbeam stride = image->stride; 977cd98e85aSSteve Longerbeam bpp = fmt->bpp; 978cd98e85aSSteve Longerbeam 979cd98e85aSSteve Longerbeam for (row = 0; row < image->num_rows; row++) { 980571dd82cSPhilipp Zabel row_off = image->tile[tile].top * stride; 981cd98e85aSSteve Longerbeam 982cd98e85aSSteve Longerbeam for (col = 0; col < image->num_cols; col++) { 983571dd82cSPhilipp Zabel col_off = (image->tile[tile].left * bpp) >> 3; 984cd98e85aSSteve Longerbeam 985c4e45658SSteve Longerbeam offset = row_off + col_off; 986c4e45658SSteve Longerbeam 987c4e45658SSteve Longerbeam image->tile[tile].offset = offset; 988cd98e85aSSteve Longerbeam image->tile[tile].u_off = 0; 989cd98e85aSSteve Longerbeam image->tile[tile++].v_off = 0; 990cd98e85aSSteve Longerbeam 991c4e45658SSteve Longerbeam if (offset & 0x7) { 992c4e45658SSteve Longerbeam dev_err(priv->ipu->dev, 993c4e45658SSteve Longerbeam "task %u: ctx %p: %s@[%d,%d]: " 994c4e45658SSteve Longerbeam "phys %08x\n", 995cd98e85aSSteve Longerbeam chan->ic_task, ctx, 996cd98e85aSSteve Longerbeam image->type == IMAGE_CONVERT_IN ? 997cd98e85aSSteve Longerbeam "Input" : "Output", row, col, 998cd98e85aSSteve Longerbeam row_off + col_off); 999c4e45658SSteve Longerbeam return -EINVAL; 1000cd98e85aSSteve Longerbeam } 1001cd98e85aSSteve Longerbeam } 1002cd98e85aSSteve Longerbeam } 1003cd98e85aSSteve Longerbeam 1004c4e45658SSteve Longerbeam return 0; 1005c4e45658SSteve Longerbeam } 1006c4e45658SSteve Longerbeam 1007c4e45658SSteve Longerbeam static int calc_tile_offsets(struct ipu_image_convert_ctx *ctx, 1008cd98e85aSSteve Longerbeam struct ipu_image_convert_image *image) 1009cd98e85aSSteve Longerbeam { 1010cd98e85aSSteve Longerbeam if (image->fmt->planar) 1011c4e45658SSteve Longerbeam return calc_tile_offsets_planar(ctx, image); 1012c4e45658SSteve Longerbeam 1013c4e45658SSteve Longerbeam return calc_tile_offsets_packed(ctx, image); 1014cd98e85aSSteve Longerbeam } 1015cd98e85aSSteve Longerbeam 1016cd98e85aSSteve Longerbeam /* 101770b9b6b3SPhilipp Zabel * Calculate the resizing ratio for the IC main processing section given input 101870b9b6b3SPhilipp Zabel * size, fixed downsizing coefficient, and output size. 101970b9b6b3SPhilipp Zabel * Either round to closest for the next tile's first pixel to minimize seams 102070b9b6b3SPhilipp Zabel * and distortion (for all but right column / bottom row), or round down to 102170b9b6b3SPhilipp Zabel * avoid sampling beyond the edges of the input image for this tile's last 102270b9b6b3SPhilipp Zabel * pixel. 102370b9b6b3SPhilipp Zabel * Returns the resizing coefficient, resizing ratio is 8192.0 / resize_coeff. 102470b9b6b3SPhilipp Zabel */ 102570b9b6b3SPhilipp Zabel static u32 calc_resize_coeff(u32 input_size, u32 downsize_coeff, 102670b9b6b3SPhilipp Zabel u32 output_size, bool allow_overshoot) 102770b9b6b3SPhilipp Zabel { 102870b9b6b3SPhilipp Zabel u32 downsized = input_size >> downsize_coeff; 102970b9b6b3SPhilipp Zabel 103070b9b6b3SPhilipp Zabel if (allow_overshoot) 103170b9b6b3SPhilipp Zabel return DIV_ROUND_CLOSEST(8192 * downsized, output_size); 103270b9b6b3SPhilipp Zabel else 103370b9b6b3SPhilipp Zabel return 8192 * (downsized - 1) / (output_size - 1); 103470b9b6b3SPhilipp Zabel } 103570b9b6b3SPhilipp Zabel 103670b9b6b3SPhilipp Zabel /* 103770b9b6b3SPhilipp Zabel * Slightly modify resize coefficients per tile to hide the bilinear 103870b9b6b3SPhilipp Zabel * interpolator reset at tile borders, shifting the right / bottom edge 103970b9b6b3SPhilipp Zabel * by up to a half input pixel. This removes noticeable seams between 104070b9b6b3SPhilipp Zabel * tiles at higher upscaling factors. 104170b9b6b3SPhilipp Zabel */ 104270b9b6b3SPhilipp Zabel static void calc_tile_resize_coefficients(struct ipu_image_convert_ctx *ctx) 104370b9b6b3SPhilipp Zabel { 104470b9b6b3SPhilipp Zabel struct ipu_image_convert_chan *chan = ctx->chan; 104570b9b6b3SPhilipp Zabel struct ipu_image_convert_priv *priv = chan->priv; 104670b9b6b3SPhilipp Zabel struct ipu_image_tile *in_tile, *out_tile; 104770b9b6b3SPhilipp Zabel unsigned int col, row, tile_idx; 104870b9b6b3SPhilipp Zabel unsigned int last_output; 104970b9b6b3SPhilipp Zabel 105070b9b6b3SPhilipp Zabel for (col = 0; col < ctx->in.num_cols; col++) { 105170b9b6b3SPhilipp Zabel bool closest = (col < ctx->in.num_cols - 1) && 105270b9b6b3SPhilipp Zabel !(ctx->rot_mode & IPU_ROT_BIT_HFLIP); 105370b9b6b3SPhilipp Zabel u32 resized_width; 105470b9b6b3SPhilipp Zabel u32 resize_coeff_h; 105570b9b6b3SPhilipp Zabel 105670b9b6b3SPhilipp Zabel tile_idx = col; 105770b9b6b3SPhilipp Zabel in_tile = &ctx->in.tile[tile_idx]; 105870b9b6b3SPhilipp Zabel out_tile = &ctx->out.tile[ctx->out_tile_map[tile_idx]]; 105970b9b6b3SPhilipp Zabel 106070b9b6b3SPhilipp Zabel if (ipu_rot_mode_is_irt(ctx->rot_mode)) 106170b9b6b3SPhilipp Zabel resized_width = out_tile->height; 106270b9b6b3SPhilipp Zabel else 106370b9b6b3SPhilipp Zabel resized_width = out_tile->width; 106470b9b6b3SPhilipp Zabel 106570b9b6b3SPhilipp Zabel resize_coeff_h = calc_resize_coeff(in_tile->width, 106670b9b6b3SPhilipp Zabel ctx->downsize_coeff_h, 106770b9b6b3SPhilipp Zabel resized_width, closest); 106870b9b6b3SPhilipp Zabel 106970b9b6b3SPhilipp Zabel dev_dbg(priv->ipu->dev, "%s: column %u hscale: *8192/%u\n", 107070b9b6b3SPhilipp Zabel __func__, col, resize_coeff_h); 107170b9b6b3SPhilipp Zabel 107270b9b6b3SPhilipp Zabel 107370b9b6b3SPhilipp Zabel for (row = 0; row < ctx->in.num_rows; row++) { 107470b9b6b3SPhilipp Zabel tile_idx = row * ctx->in.num_cols + col; 107570b9b6b3SPhilipp Zabel in_tile = &ctx->in.tile[tile_idx]; 107670b9b6b3SPhilipp Zabel out_tile = &ctx->out.tile[ctx->out_tile_map[tile_idx]]; 107770b9b6b3SPhilipp Zabel 107870b9b6b3SPhilipp Zabel /* 107970b9b6b3SPhilipp Zabel * With the horizontal scaling factor known, round up 108070b9b6b3SPhilipp Zabel * resized width (output width or height) to burst size. 108170b9b6b3SPhilipp Zabel */ 108270b9b6b3SPhilipp Zabel if (ipu_rot_mode_is_irt(ctx->rot_mode)) 108370b9b6b3SPhilipp Zabel out_tile->height = round_up(resized_width, 8); 108470b9b6b3SPhilipp Zabel else 108570b9b6b3SPhilipp Zabel out_tile->width = round_up(resized_width, 8); 108670b9b6b3SPhilipp Zabel 108770b9b6b3SPhilipp Zabel /* 108870b9b6b3SPhilipp Zabel * Calculate input width from the last accessed input 108970b9b6b3SPhilipp Zabel * pixel given resized width and scaling coefficients. 109070b9b6b3SPhilipp Zabel * Round up to burst size. 109170b9b6b3SPhilipp Zabel */ 109270b9b6b3SPhilipp Zabel last_output = round_up(resized_width, 8) - 1; 109370b9b6b3SPhilipp Zabel if (closest) 109470b9b6b3SPhilipp Zabel last_output++; 109570b9b6b3SPhilipp Zabel in_tile->width = round_up( 109670b9b6b3SPhilipp Zabel (DIV_ROUND_UP(last_output * resize_coeff_h, 109770b9b6b3SPhilipp Zabel 8192) + 1) 109870b9b6b3SPhilipp Zabel << ctx->downsize_coeff_h, 8); 109970b9b6b3SPhilipp Zabel } 110070b9b6b3SPhilipp Zabel 110170b9b6b3SPhilipp Zabel ctx->resize_coeffs_h[col] = resize_coeff_h; 110270b9b6b3SPhilipp Zabel } 110370b9b6b3SPhilipp Zabel 110470b9b6b3SPhilipp Zabel for (row = 0; row < ctx->in.num_rows; row++) { 110570b9b6b3SPhilipp Zabel bool closest = (row < ctx->in.num_rows - 1) && 110670b9b6b3SPhilipp Zabel !(ctx->rot_mode & IPU_ROT_BIT_VFLIP); 110770b9b6b3SPhilipp Zabel u32 resized_height; 110870b9b6b3SPhilipp Zabel u32 resize_coeff_v; 110970b9b6b3SPhilipp Zabel 111070b9b6b3SPhilipp Zabel tile_idx = row * ctx->in.num_cols; 111170b9b6b3SPhilipp Zabel in_tile = &ctx->in.tile[tile_idx]; 111270b9b6b3SPhilipp Zabel out_tile = &ctx->out.tile[ctx->out_tile_map[tile_idx]]; 111370b9b6b3SPhilipp Zabel 111470b9b6b3SPhilipp Zabel if (ipu_rot_mode_is_irt(ctx->rot_mode)) 111570b9b6b3SPhilipp Zabel resized_height = out_tile->width; 111670b9b6b3SPhilipp Zabel else 111770b9b6b3SPhilipp Zabel resized_height = out_tile->height; 111870b9b6b3SPhilipp Zabel 111970b9b6b3SPhilipp Zabel resize_coeff_v = calc_resize_coeff(in_tile->height, 112070b9b6b3SPhilipp Zabel ctx->downsize_coeff_v, 112170b9b6b3SPhilipp Zabel resized_height, closest); 112270b9b6b3SPhilipp Zabel 112370b9b6b3SPhilipp Zabel dev_dbg(priv->ipu->dev, "%s: row %u vscale: *8192/%u\n", 112470b9b6b3SPhilipp Zabel __func__, row, resize_coeff_v); 112570b9b6b3SPhilipp Zabel 112670b9b6b3SPhilipp Zabel for (col = 0; col < ctx->in.num_cols; col++) { 112770b9b6b3SPhilipp Zabel tile_idx = row * ctx->in.num_cols + col; 112870b9b6b3SPhilipp Zabel in_tile = &ctx->in.tile[tile_idx]; 112970b9b6b3SPhilipp Zabel out_tile = &ctx->out.tile[ctx->out_tile_map[tile_idx]]; 113070b9b6b3SPhilipp Zabel 113170b9b6b3SPhilipp Zabel /* 113270b9b6b3SPhilipp Zabel * With the vertical scaling factor known, round up 113370b9b6b3SPhilipp Zabel * resized height (output width or height) to IDMAC 113470b9b6b3SPhilipp Zabel * limitations. 113570b9b6b3SPhilipp Zabel */ 113670b9b6b3SPhilipp Zabel if (ipu_rot_mode_is_irt(ctx->rot_mode)) 113770b9b6b3SPhilipp Zabel out_tile->width = round_up(resized_height, 2); 113870b9b6b3SPhilipp Zabel else 113970b9b6b3SPhilipp Zabel out_tile->height = round_up(resized_height, 2); 114070b9b6b3SPhilipp Zabel 114170b9b6b3SPhilipp Zabel /* 114270b9b6b3SPhilipp Zabel * Calculate input width from the last accessed input 114370b9b6b3SPhilipp Zabel * pixel given resized height and scaling coefficients. 114470b9b6b3SPhilipp Zabel * Align to IDMAC restrictions. 114570b9b6b3SPhilipp Zabel */ 114670b9b6b3SPhilipp Zabel last_output = round_up(resized_height, 2) - 1; 114770b9b6b3SPhilipp Zabel if (closest) 114870b9b6b3SPhilipp Zabel last_output++; 114970b9b6b3SPhilipp Zabel in_tile->height = round_up( 115070b9b6b3SPhilipp Zabel (DIV_ROUND_UP(last_output * resize_coeff_v, 115170b9b6b3SPhilipp Zabel 8192) + 1) 115270b9b6b3SPhilipp Zabel << ctx->downsize_coeff_v, 2); 115370b9b6b3SPhilipp Zabel } 115470b9b6b3SPhilipp Zabel 115570b9b6b3SPhilipp Zabel ctx->resize_coeffs_v[row] = resize_coeff_v; 115670b9b6b3SPhilipp Zabel } 115770b9b6b3SPhilipp Zabel } 115870b9b6b3SPhilipp Zabel 115970b9b6b3SPhilipp Zabel /* 1160cd98e85aSSteve Longerbeam * return the number of runs in given queue (pending_q or done_q) 1161cd98e85aSSteve Longerbeam * for this context. hold irqlock when calling. 1162cd98e85aSSteve Longerbeam */ 1163cd98e85aSSteve Longerbeam static int get_run_count(struct ipu_image_convert_ctx *ctx, 1164cd98e85aSSteve Longerbeam struct list_head *q) 1165cd98e85aSSteve Longerbeam { 1166cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run; 1167cd98e85aSSteve Longerbeam int count = 0; 1168cd98e85aSSteve Longerbeam 1169cd98e85aSSteve Longerbeam lockdep_assert_held(&ctx->chan->irqlock); 1170cd98e85aSSteve Longerbeam 1171cd98e85aSSteve Longerbeam list_for_each_entry(run, q, list) { 1172cd98e85aSSteve Longerbeam if (run->ctx == ctx) 1173cd98e85aSSteve Longerbeam count++; 1174cd98e85aSSteve Longerbeam } 1175cd98e85aSSteve Longerbeam 1176cd98e85aSSteve Longerbeam return count; 1177cd98e85aSSteve Longerbeam } 1178cd98e85aSSteve Longerbeam 1179cd98e85aSSteve Longerbeam static void convert_stop(struct ipu_image_convert_run *run) 1180cd98e85aSSteve Longerbeam { 1181cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx = run->ctx; 1182cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 1183cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 1184cd98e85aSSteve Longerbeam 1185cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, "%s: task %u: stopping ctx %p run %p\n", 1186cd98e85aSSteve Longerbeam __func__, chan->ic_task, ctx, run); 1187cd98e85aSSteve Longerbeam 1188cd98e85aSSteve Longerbeam /* disable IC tasks and the channels */ 1189cd98e85aSSteve Longerbeam ipu_ic_task_disable(chan->ic); 1190cd98e85aSSteve Longerbeam ipu_idmac_disable_channel(chan->in_chan); 1191cd98e85aSSteve Longerbeam ipu_idmac_disable_channel(chan->out_chan); 1192cd98e85aSSteve Longerbeam 1193cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 1194cd98e85aSSteve Longerbeam ipu_idmac_disable_channel(chan->rotation_in_chan); 1195cd98e85aSSteve Longerbeam ipu_idmac_disable_channel(chan->rotation_out_chan); 1196cd98e85aSSteve Longerbeam ipu_idmac_unlink(chan->out_chan, chan->rotation_in_chan); 1197cd98e85aSSteve Longerbeam } 1198cd98e85aSSteve Longerbeam 1199cd98e85aSSteve Longerbeam ipu_ic_disable(chan->ic); 1200cd98e85aSSteve Longerbeam } 1201cd98e85aSSteve Longerbeam 1202cd98e85aSSteve Longerbeam static void init_idmac_channel(struct ipu_image_convert_ctx *ctx, 1203cd98e85aSSteve Longerbeam struct ipuv3_channel *channel, 1204cd98e85aSSteve Longerbeam struct ipu_image_convert_image *image, 1205cd98e85aSSteve Longerbeam enum ipu_rotate_mode rot_mode, 1206dd65d2a9SPhilipp Zabel bool rot_swap_width_height, 1207dd65d2a9SPhilipp Zabel unsigned int tile) 1208cd98e85aSSteve Longerbeam { 1209cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 1210cd98e85aSSteve Longerbeam unsigned int burst_size; 1211cd98e85aSSteve Longerbeam u32 width, height, stride; 1212cd98e85aSSteve Longerbeam dma_addr_t addr0, addr1 = 0; 1213cd98e85aSSteve Longerbeam struct ipu_image tile_image; 1214cd98e85aSSteve Longerbeam unsigned int tile_idx[2]; 1215cd98e85aSSteve Longerbeam 1216cd98e85aSSteve Longerbeam if (image->type == IMAGE_CONVERT_OUT) { 1217dd65d2a9SPhilipp Zabel tile_idx[0] = ctx->out_tile_map[tile]; 1218cd98e85aSSteve Longerbeam tile_idx[1] = ctx->out_tile_map[1]; 1219cd98e85aSSteve Longerbeam } else { 1220dd65d2a9SPhilipp Zabel tile_idx[0] = tile; 1221cd98e85aSSteve Longerbeam tile_idx[1] = 1; 1222cd98e85aSSteve Longerbeam } 1223cd98e85aSSteve Longerbeam 1224cd98e85aSSteve Longerbeam if (rot_swap_width_height) { 1225dd65d2a9SPhilipp Zabel width = image->tile[tile_idx[0]].height; 1226dd65d2a9SPhilipp Zabel height = image->tile[tile_idx[0]].width; 1227dd65d2a9SPhilipp Zabel stride = image->tile[tile_idx[0]].rot_stride; 1228cd98e85aSSteve Longerbeam addr0 = ctx->rot_intermediate[0].phys; 1229cd98e85aSSteve Longerbeam if (ctx->double_buffering) 1230cd98e85aSSteve Longerbeam addr1 = ctx->rot_intermediate[1].phys; 1231cd98e85aSSteve Longerbeam } else { 1232dd65d2a9SPhilipp Zabel width = image->tile[tile_idx[0]].width; 1233dd65d2a9SPhilipp Zabel height = image->tile[tile_idx[0]].height; 1234cd98e85aSSteve Longerbeam stride = image->stride; 1235cd98e85aSSteve Longerbeam addr0 = image->base.phys0 + 1236cd98e85aSSteve Longerbeam image->tile[tile_idx[0]].offset; 1237cd98e85aSSteve Longerbeam if (ctx->double_buffering) 1238cd98e85aSSteve Longerbeam addr1 = image->base.phys0 + 1239cd98e85aSSteve Longerbeam image->tile[tile_idx[1]].offset; 1240cd98e85aSSteve Longerbeam } 1241cd98e85aSSteve Longerbeam 1242cd98e85aSSteve Longerbeam ipu_cpmem_zero(channel); 1243cd98e85aSSteve Longerbeam 1244cd98e85aSSteve Longerbeam memset(&tile_image, 0, sizeof(tile_image)); 1245cd98e85aSSteve Longerbeam tile_image.pix.width = tile_image.rect.width = width; 1246cd98e85aSSteve Longerbeam tile_image.pix.height = tile_image.rect.height = height; 1247cd98e85aSSteve Longerbeam tile_image.pix.bytesperline = stride; 1248cd98e85aSSteve Longerbeam tile_image.pix.pixelformat = image->fmt->fourcc; 1249cd98e85aSSteve Longerbeam tile_image.phys0 = addr0; 1250cd98e85aSSteve Longerbeam tile_image.phys1 = addr1; 1251dec408fdSSteve Longerbeam if (image->fmt->planar && !rot_swap_width_height) { 1252dec408fdSSteve Longerbeam tile_image.u_offset = image->tile[tile_idx[0]].u_off; 1253dec408fdSSteve Longerbeam tile_image.v_offset = image->tile[tile_idx[0]].v_off; 1254dec408fdSSteve Longerbeam } 1255cd98e85aSSteve Longerbeam 1256dec408fdSSteve Longerbeam ipu_cpmem_set_image(channel, &tile_image); 1257cd98e85aSSteve Longerbeam 1258cd98e85aSSteve Longerbeam if (rot_mode) 1259cd98e85aSSteve Longerbeam ipu_cpmem_set_rotation(channel, rot_mode); 1260cd98e85aSSteve Longerbeam 1261cd98e85aSSteve Longerbeam if (channel == chan->rotation_in_chan || 1262cd98e85aSSteve Longerbeam channel == chan->rotation_out_chan) { 1263cd98e85aSSteve Longerbeam burst_size = 8; 1264cd98e85aSSteve Longerbeam ipu_cpmem_set_block_mode(channel); 1265cd98e85aSSteve Longerbeam } else 1266cd98e85aSSteve Longerbeam burst_size = (width % 16) ? 8 : 16; 1267cd98e85aSSteve Longerbeam 1268cd98e85aSSteve Longerbeam ipu_cpmem_set_burstsize(channel, burst_size); 1269cd98e85aSSteve Longerbeam 1270cd98e85aSSteve Longerbeam ipu_ic_task_idma_init(chan->ic, channel, width, height, 1271cd98e85aSSteve Longerbeam burst_size, rot_mode); 1272cd98e85aSSteve Longerbeam 1273320a89adSLucas Stach /* 1274320a89adSLucas Stach * Setting a non-zero AXI ID collides with the PRG AXI snooping, so 1275320a89adSLucas Stach * only do this when there is no PRG present. 1276320a89adSLucas Stach */ 1277320a89adSLucas Stach if (!channel->ipu->prg_priv) 1278cd98e85aSSteve Longerbeam ipu_cpmem_set_axi_id(channel, 1); 1279cd98e85aSSteve Longerbeam 1280cd98e85aSSteve Longerbeam ipu_idmac_set_double_buffer(channel, ctx->double_buffering); 1281cd98e85aSSteve Longerbeam } 1282cd98e85aSSteve Longerbeam 1283dd65d2a9SPhilipp Zabel static int convert_start(struct ipu_image_convert_run *run, unsigned int tile) 1284cd98e85aSSteve Longerbeam { 1285cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx = run->ctx; 1286cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 1287cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 1288cd98e85aSSteve Longerbeam struct ipu_image_convert_image *s_image = &ctx->in; 1289cd98e85aSSteve Longerbeam struct ipu_image_convert_image *d_image = &ctx->out; 1290cd98e85aSSteve Longerbeam enum ipu_color_space src_cs, dest_cs; 1291dd65d2a9SPhilipp Zabel unsigned int dst_tile = ctx->out_tile_map[tile]; 1292cd98e85aSSteve Longerbeam unsigned int dest_width, dest_height; 129370b9b6b3SPhilipp Zabel unsigned int col, row; 129470b9b6b3SPhilipp Zabel u32 rsc; 1295cd98e85aSSteve Longerbeam int ret; 1296cd98e85aSSteve Longerbeam 1297dd65d2a9SPhilipp Zabel dev_dbg(priv->ipu->dev, "%s: task %u: starting ctx %p run %p tile %u -> %u\n", 1298dd65d2a9SPhilipp Zabel __func__, chan->ic_task, ctx, run, tile, dst_tile); 1299cd98e85aSSteve Longerbeam 1300cd98e85aSSteve Longerbeam src_cs = ipu_pixelformat_to_colorspace(s_image->fmt->fourcc); 1301cd98e85aSSteve Longerbeam dest_cs = ipu_pixelformat_to_colorspace(d_image->fmt->fourcc); 1302cd98e85aSSteve Longerbeam 1303cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 1304cd98e85aSSteve Longerbeam /* swap width/height for resizer */ 1305dd65d2a9SPhilipp Zabel dest_width = d_image->tile[dst_tile].height; 1306dd65d2a9SPhilipp Zabel dest_height = d_image->tile[dst_tile].width; 1307cd98e85aSSteve Longerbeam } else { 1308dd65d2a9SPhilipp Zabel dest_width = d_image->tile[dst_tile].width; 1309dd65d2a9SPhilipp Zabel dest_height = d_image->tile[dst_tile].height; 1310cd98e85aSSteve Longerbeam } 1311cd98e85aSSteve Longerbeam 131270b9b6b3SPhilipp Zabel row = tile / s_image->num_cols; 131370b9b6b3SPhilipp Zabel col = tile % s_image->num_cols; 131470b9b6b3SPhilipp Zabel 131570b9b6b3SPhilipp Zabel rsc = (ctx->downsize_coeff_v << 30) | 131670b9b6b3SPhilipp Zabel (ctx->resize_coeffs_v[row] << 16) | 131770b9b6b3SPhilipp Zabel (ctx->downsize_coeff_h << 14) | 131870b9b6b3SPhilipp Zabel (ctx->resize_coeffs_h[col]); 131970b9b6b3SPhilipp Zabel 132070b9b6b3SPhilipp Zabel dev_dbg(priv->ipu->dev, "%s: %ux%u -> %ux%u (rsc = 0x%x)\n", 132170b9b6b3SPhilipp Zabel __func__, s_image->tile[tile].width, 132270b9b6b3SPhilipp Zabel s_image->tile[tile].height, dest_width, dest_height, rsc); 132370b9b6b3SPhilipp Zabel 1324cd98e85aSSteve Longerbeam /* setup the IC resizer and CSC */ 132570b9b6b3SPhilipp Zabel ret = ipu_ic_task_init_rsc(chan->ic, 1326dd65d2a9SPhilipp Zabel s_image->tile[tile].width, 1327dd65d2a9SPhilipp Zabel s_image->tile[tile].height, 1328cd98e85aSSteve Longerbeam dest_width, 1329cd98e85aSSteve Longerbeam dest_height, 133070b9b6b3SPhilipp Zabel src_cs, dest_cs, 133170b9b6b3SPhilipp Zabel rsc); 1332cd98e85aSSteve Longerbeam if (ret) { 1333cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "ipu_ic_task_init failed, %d\n", ret); 1334cd98e85aSSteve Longerbeam return ret; 1335cd98e85aSSteve Longerbeam } 1336cd98e85aSSteve Longerbeam 1337cd98e85aSSteve Longerbeam /* init the source MEM-->IC PP IDMAC channel */ 1338cd98e85aSSteve Longerbeam init_idmac_channel(ctx, chan->in_chan, s_image, 1339dd65d2a9SPhilipp Zabel IPU_ROTATE_NONE, false, tile); 1340cd98e85aSSteve Longerbeam 1341cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 1342cd98e85aSSteve Longerbeam /* init the IC PP-->MEM IDMAC channel */ 1343cd98e85aSSteve Longerbeam init_idmac_channel(ctx, chan->out_chan, d_image, 1344dd65d2a9SPhilipp Zabel IPU_ROTATE_NONE, true, tile); 1345cd98e85aSSteve Longerbeam 1346cd98e85aSSteve Longerbeam /* init the MEM-->IC PP ROT IDMAC channel */ 1347cd98e85aSSteve Longerbeam init_idmac_channel(ctx, chan->rotation_in_chan, d_image, 1348dd65d2a9SPhilipp Zabel ctx->rot_mode, true, tile); 1349cd98e85aSSteve Longerbeam 1350cd98e85aSSteve Longerbeam /* init the destination IC PP ROT-->MEM IDMAC channel */ 1351cd98e85aSSteve Longerbeam init_idmac_channel(ctx, chan->rotation_out_chan, d_image, 1352dd65d2a9SPhilipp Zabel IPU_ROTATE_NONE, false, tile); 1353cd98e85aSSteve Longerbeam 1354cd98e85aSSteve Longerbeam /* now link IC PP-->MEM to MEM-->IC PP ROT */ 1355cd98e85aSSteve Longerbeam ipu_idmac_link(chan->out_chan, chan->rotation_in_chan); 1356cd98e85aSSteve Longerbeam } else { 1357cd98e85aSSteve Longerbeam /* init the destination IC PP-->MEM IDMAC channel */ 1358cd98e85aSSteve Longerbeam init_idmac_channel(ctx, chan->out_chan, d_image, 1359dd65d2a9SPhilipp Zabel ctx->rot_mode, false, tile); 1360cd98e85aSSteve Longerbeam } 1361cd98e85aSSteve Longerbeam 1362cd98e85aSSteve Longerbeam /* enable the IC */ 1363cd98e85aSSteve Longerbeam ipu_ic_enable(chan->ic); 1364cd98e85aSSteve Longerbeam 1365cd98e85aSSteve Longerbeam /* set buffers ready */ 1366cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->in_chan, 0); 1367cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->out_chan, 0); 1368cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) 1369cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->rotation_out_chan, 0); 1370cd98e85aSSteve Longerbeam if (ctx->double_buffering) { 1371cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->in_chan, 1); 1372cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->out_chan, 1); 1373cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) 1374cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->rotation_out_chan, 1); 1375cd98e85aSSteve Longerbeam } 1376cd98e85aSSteve Longerbeam 1377cd98e85aSSteve Longerbeam /* enable the channels! */ 1378cd98e85aSSteve Longerbeam ipu_idmac_enable_channel(chan->in_chan); 1379cd98e85aSSteve Longerbeam ipu_idmac_enable_channel(chan->out_chan); 1380cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 1381cd98e85aSSteve Longerbeam ipu_idmac_enable_channel(chan->rotation_in_chan); 1382cd98e85aSSteve Longerbeam ipu_idmac_enable_channel(chan->rotation_out_chan); 1383cd98e85aSSteve Longerbeam } 1384cd98e85aSSteve Longerbeam 1385cd98e85aSSteve Longerbeam ipu_ic_task_enable(chan->ic); 1386cd98e85aSSteve Longerbeam 1387cd98e85aSSteve Longerbeam ipu_cpmem_dump(chan->in_chan); 1388cd98e85aSSteve Longerbeam ipu_cpmem_dump(chan->out_chan); 1389cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 1390cd98e85aSSteve Longerbeam ipu_cpmem_dump(chan->rotation_in_chan); 1391cd98e85aSSteve Longerbeam ipu_cpmem_dump(chan->rotation_out_chan); 1392cd98e85aSSteve Longerbeam } 1393cd98e85aSSteve Longerbeam 1394cd98e85aSSteve Longerbeam ipu_dump(priv->ipu); 1395cd98e85aSSteve Longerbeam 1396cd98e85aSSteve Longerbeam return 0; 1397cd98e85aSSteve Longerbeam } 1398cd98e85aSSteve Longerbeam 1399cd98e85aSSteve Longerbeam /* hold irqlock when calling */ 1400cd98e85aSSteve Longerbeam static int do_run(struct ipu_image_convert_run *run) 1401cd98e85aSSteve Longerbeam { 1402cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx = run->ctx; 1403cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 1404cd98e85aSSteve Longerbeam 1405cd98e85aSSteve Longerbeam lockdep_assert_held(&chan->irqlock); 1406cd98e85aSSteve Longerbeam 1407cd98e85aSSteve Longerbeam ctx->in.base.phys0 = run->in_phys; 1408cd98e85aSSteve Longerbeam ctx->out.base.phys0 = run->out_phys; 1409cd98e85aSSteve Longerbeam 1410cd98e85aSSteve Longerbeam ctx->cur_buf_num = 0; 1411cd98e85aSSteve Longerbeam ctx->next_tile = 1; 1412cd98e85aSSteve Longerbeam 1413cd98e85aSSteve Longerbeam /* remove run from pending_q and set as current */ 1414cd98e85aSSteve Longerbeam list_del(&run->list); 1415cd98e85aSSteve Longerbeam chan->current_run = run; 1416cd98e85aSSteve Longerbeam 1417dd65d2a9SPhilipp Zabel return convert_start(run, 0); 1418cd98e85aSSteve Longerbeam } 1419cd98e85aSSteve Longerbeam 1420cd98e85aSSteve Longerbeam /* hold irqlock when calling */ 1421cd98e85aSSteve Longerbeam static void run_next(struct ipu_image_convert_chan *chan) 1422cd98e85aSSteve Longerbeam { 1423cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 1424cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run, *tmp; 1425cd98e85aSSteve Longerbeam int ret; 1426cd98e85aSSteve Longerbeam 1427cd98e85aSSteve Longerbeam lockdep_assert_held(&chan->irqlock); 1428cd98e85aSSteve Longerbeam 1429cd98e85aSSteve Longerbeam list_for_each_entry_safe(run, tmp, &chan->pending_q, list) { 1430cd98e85aSSteve Longerbeam /* skip contexts that are aborting */ 1431cd98e85aSSteve Longerbeam if (run->ctx->aborting) { 1432cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, 1433cd98e85aSSteve Longerbeam "%s: task %u: skipping aborting ctx %p run %p\n", 1434cd98e85aSSteve Longerbeam __func__, chan->ic_task, run->ctx, run); 1435cd98e85aSSteve Longerbeam continue; 1436cd98e85aSSteve Longerbeam } 1437cd98e85aSSteve Longerbeam 1438cd98e85aSSteve Longerbeam ret = do_run(run); 1439cd98e85aSSteve Longerbeam if (!ret) 1440cd98e85aSSteve Longerbeam break; 1441cd98e85aSSteve Longerbeam 1442cd98e85aSSteve Longerbeam /* 1443cd98e85aSSteve Longerbeam * something went wrong with start, add the run 1444cd98e85aSSteve Longerbeam * to done q and continue to the next run in the 1445cd98e85aSSteve Longerbeam * pending q. 1446cd98e85aSSteve Longerbeam */ 1447cd98e85aSSteve Longerbeam run->status = ret; 1448cd98e85aSSteve Longerbeam list_add_tail(&run->list, &chan->done_q); 1449cd98e85aSSteve Longerbeam chan->current_run = NULL; 1450cd98e85aSSteve Longerbeam } 1451cd98e85aSSteve Longerbeam } 1452cd98e85aSSteve Longerbeam 1453cd98e85aSSteve Longerbeam static void empty_done_q(struct ipu_image_convert_chan *chan) 1454cd98e85aSSteve Longerbeam { 1455cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 1456cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run; 1457cd98e85aSSteve Longerbeam unsigned long flags; 1458cd98e85aSSteve Longerbeam 1459cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 1460cd98e85aSSteve Longerbeam 1461cd98e85aSSteve Longerbeam while (!list_empty(&chan->done_q)) { 1462cd98e85aSSteve Longerbeam run = list_entry(chan->done_q.next, 1463cd98e85aSSteve Longerbeam struct ipu_image_convert_run, 1464cd98e85aSSteve Longerbeam list); 1465cd98e85aSSteve Longerbeam 1466cd98e85aSSteve Longerbeam list_del(&run->list); 1467cd98e85aSSteve Longerbeam 1468cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, 1469cd98e85aSSteve Longerbeam "%s: task %u: completing ctx %p run %p with %d\n", 1470cd98e85aSSteve Longerbeam __func__, chan->ic_task, run->ctx, run, run->status); 1471cd98e85aSSteve Longerbeam 1472cd98e85aSSteve Longerbeam /* call the completion callback and free the run */ 1473cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1474cd98e85aSSteve Longerbeam run->ctx->complete(run, run->ctx->complete_context); 1475cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 1476cd98e85aSSteve Longerbeam } 1477cd98e85aSSteve Longerbeam 1478cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1479cd98e85aSSteve Longerbeam } 1480cd98e85aSSteve Longerbeam 1481cd98e85aSSteve Longerbeam /* 1482cd98e85aSSteve Longerbeam * the bottom half thread clears out the done_q, calling the 1483cd98e85aSSteve Longerbeam * completion handler for each. 1484cd98e85aSSteve Longerbeam */ 1485cd98e85aSSteve Longerbeam static irqreturn_t do_bh(int irq, void *dev_id) 1486cd98e85aSSteve Longerbeam { 1487cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = dev_id; 1488cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 1489cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx; 1490cd98e85aSSteve Longerbeam unsigned long flags; 1491cd98e85aSSteve Longerbeam 1492cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, "%s: task %u: enter\n", __func__, 1493cd98e85aSSteve Longerbeam chan->ic_task); 1494cd98e85aSSteve Longerbeam 1495cd98e85aSSteve Longerbeam empty_done_q(chan); 1496cd98e85aSSteve Longerbeam 1497cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 1498cd98e85aSSteve Longerbeam 1499cd98e85aSSteve Longerbeam /* 1500cd98e85aSSteve Longerbeam * the done_q is cleared out, signal any contexts 1501cd98e85aSSteve Longerbeam * that are aborting that abort can complete. 1502cd98e85aSSteve Longerbeam */ 1503cd98e85aSSteve Longerbeam list_for_each_entry(ctx, &chan->ctx_list, list) { 1504cd98e85aSSteve Longerbeam if (ctx->aborting) { 1505cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, 1506cd98e85aSSteve Longerbeam "%s: task %u: signaling abort for ctx %p\n", 1507cd98e85aSSteve Longerbeam __func__, chan->ic_task, ctx); 1508aa60b261SSteve Longerbeam complete_all(&ctx->aborted); 1509cd98e85aSSteve Longerbeam } 1510cd98e85aSSteve Longerbeam } 1511cd98e85aSSteve Longerbeam 1512cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1513cd98e85aSSteve Longerbeam 1514cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, "%s: task %u: exit\n", __func__, 1515cd98e85aSSteve Longerbeam chan->ic_task); 1516cd98e85aSSteve Longerbeam 1517cd98e85aSSteve Longerbeam return IRQ_HANDLED; 1518cd98e85aSSteve Longerbeam } 1519cd98e85aSSteve Longerbeam 15200537db80SPhilipp Zabel static bool ic_settings_changed(struct ipu_image_convert_ctx *ctx) 15210537db80SPhilipp Zabel { 15220537db80SPhilipp Zabel unsigned int cur_tile = ctx->next_tile - 1; 15230537db80SPhilipp Zabel unsigned int next_tile = ctx->next_tile; 15240537db80SPhilipp Zabel 15250537db80SPhilipp Zabel if (ctx->resize_coeffs_h[cur_tile % ctx->in.num_cols] != 15260537db80SPhilipp Zabel ctx->resize_coeffs_h[next_tile % ctx->in.num_cols] || 15270537db80SPhilipp Zabel ctx->resize_coeffs_v[cur_tile / ctx->in.num_cols] != 15280537db80SPhilipp Zabel ctx->resize_coeffs_v[next_tile / ctx->in.num_cols] || 15290537db80SPhilipp Zabel ctx->in.tile[cur_tile].width != ctx->in.tile[next_tile].width || 15300537db80SPhilipp Zabel ctx->in.tile[cur_tile].height != ctx->in.tile[next_tile].height || 15310537db80SPhilipp Zabel ctx->out.tile[cur_tile].width != ctx->out.tile[next_tile].width || 15320537db80SPhilipp Zabel ctx->out.tile[cur_tile].height != ctx->out.tile[next_tile].height) 15330537db80SPhilipp Zabel return true; 15340537db80SPhilipp Zabel 15350537db80SPhilipp Zabel return false; 15360537db80SPhilipp Zabel } 15370537db80SPhilipp Zabel 1538cd98e85aSSteve Longerbeam /* hold irqlock when calling */ 1539cd98e85aSSteve Longerbeam static irqreturn_t do_irq(struct ipu_image_convert_run *run) 1540cd98e85aSSteve Longerbeam { 1541cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx = run->ctx; 1542cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 1543cd98e85aSSteve Longerbeam struct ipu_image_tile *src_tile, *dst_tile; 1544cd98e85aSSteve Longerbeam struct ipu_image_convert_image *s_image = &ctx->in; 1545cd98e85aSSteve Longerbeam struct ipu_image_convert_image *d_image = &ctx->out; 1546cd98e85aSSteve Longerbeam struct ipuv3_channel *outch; 1547cd98e85aSSteve Longerbeam unsigned int dst_idx; 1548cd98e85aSSteve Longerbeam 1549cd98e85aSSteve Longerbeam lockdep_assert_held(&chan->irqlock); 1550cd98e85aSSteve Longerbeam 1551cd98e85aSSteve Longerbeam outch = ipu_rot_mode_is_irt(ctx->rot_mode) ? 1552cd98e85aSSteve Longerbeam chan->rotation_out_chan : chan->out_chan; 1553cd98e85aSSteve Longerbeam 1554cd98e85aSSteve Longerbeam /* 1555cd98e85aSSteve Longerbeam * It is difficult to stop the channel DMA before the channels 1556cd98e85aSSteve Longerbeam * enter the paused state. Without double-buffering the channels 1557cd98e85aSSteve Longerbeam * are always in a paused state when the EOF irq occurs, so it 1558cd98e85aSSteve Longerbeam * is safe to stop the channels now. For double-buffering we 1559cd98e85aSSteve Longerbeam * just ignore the abort until the operation completes, when it 1560cd98e85aSSteve Longerbeam * is safe to shut down. 1561cd98e85aSSteve Longerbeam */ 1562cd98e85aSSteve Longerbeam if (ctx->aborting && !ctx->double_buffering) { 1563cd98e85aSSteve Longerbeam convert_stop(run); 1564cd98e85aSSteve Longerbeam run->status = -EIO; 1565cd98e85aSSteve Longerbeam goto done; 1566cd98e85aSSteve Longerbeam } 1567cd98e85aSSteve Longerbeam 1568cd98e85aSSteve Longerbeam if (ctx->next_tile == ctx->num_tiles) { 1569cd98e85aSSteve Longerbeam /* 1570cd98e85aSSteve Longerbeam * the conversion is complete 1571cd98e85aSSteve Longerbeam */ 1572cd98e85aSSteve Longerbeam convert_stop(run); 1573cd98e85aSSteve Longerbeam run->status = 0; 1574cd98e85aSSteve Longerbeam goto done; 1575cd98e85aSSteve Longerbeam } 1576cd98e85aSSteve Longerbeam 1577cd98e85aSSteve Longerbeam /* 1578cd98e85aSSteve Longerbeam * not done, place the next tile buffers. 1579cd98e85aSSteve Longerbeam */ 1580cd98e85aSSteve Longerbeam if (!ctx->double_buffering) { 15810537db80SPhilipp Zabel if (ic_settings_changed(ctx)) { 15820537db80SPhilipp Zabel convert_stop(run); 15830537db80SPhilipp Zabel convert_start(run, ctx->next_tile); 15840537db80SPhilipp Zabel } else { 1585cd98e85aSSteve Longerbeam src_tile = &s_image->tile[ctx->next_tile]; 1586cd98e85aSSteve Longerbeam dst_idx = ctx->out_tile_map[ctx->next_tile]; 1587cd98e85aSSteve Longerbeam dst_tile = &d_image->tile[dst_idx]; 1588cd98e85aSSteve Longerbeam 1589cd98e85aSSteve Longerbeam ipu_cpmem_set_buffer(chan->in_chan, 0, 15900537db80SPhilipp Zabel s_image->base.phys0 + 15910537db80SPhilipp Zabel src_tile->offset); 1592cd98e85aSSteve Longerbeam ipu_cpmem_set_buffer(outch, 0, 15930537db80SPhilipp Zabel d_image->base.phys0 + 15940537db80SPhilipp Zabel dst_tile->offset); 1595cd98e85aSSteve Longerbeam if (s_image->fmt->planar) 1596cd98e85aSSteve Longerbeam ipu_cpmem_set_uv_offset(chan->in_chan, 1597cd98e85aSSteve Longerbeam src_tile->u_off, 1598cd98e85aSSteve Longerbeam src_tile->v_off); 1599cd98e85aSSteve Longerbeam if (d_image->fmt->planar) 1600cd98e85aSSteve Longerbeam ipu_cpmem_set_uv_offset(outch, 1601cd98e85aSSteve Longerbeam dst_tile->u_off, 1602cd98e85aSSteve Longerbeam dst_tile->v_off); 1603cd98e85aSSteve Longerbeam 1604cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->in_chan, 0); 1605cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(outch, 0); 16060537db80SPhilipp Zabel } 1607cd98e85aSSteve Longerbeam } else if (ctx->next_tile < ctx->num_tiles - 1) { 1608cd98e85aSSteve Longerbeam 1609cd98e85aSSteve Longerbeam src_tile = &s_image->tile[ctx->next_tile + 1]; 1610cd98e85aSSteve Longerbeam dst_idx = ctx->out_tile_map[ctx->next_tile + 1]; 1611cd98e85aSSteve Longerbeam dst_tile = &d_image->tile[dst_idx]; 1612cd98e85aSSteve Longerbeam 1613cd98e85aSSteve Longerbeam ipu_cpmem_set_buffer(chan->in_chan, ctx->cur_buf_num, 1614cd98e85aSSteve Longerbeam s_image->base.phys0 + src_tile->offset); 1615cd98e85aSSteve Longerbeam ipu_cpmem_set_buffer(outch, ctx->cur_buf_num, 1616cd98e85aSSteve Longerbeam d_image->base.phys0 + dst_tile->offset); 1617cd98e85aSSteve Longerbeam 1618cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->in_chan, ctx->cur_buf_num); 1619cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(outch, ctx->cur_buf_num); 1620cd98e85aSSteve Longerbeam 1621cd98e85aSSteve Longerbeam ctx->cur_buf_num ^= 1; 1622cd98e85aSSteve Longerbeam } 1623cd98e85aSSteve Longerbeam 1624cd98e85aSSteve Longerbeam ctx->next_tile++; 1625cd98e85aSSteve Longerbeam return IRQ_HANDLED; 1626cd98e85aSSteve Longerbeam done: 1627cd98e85aSSteve Longerbeam list_add_tail(&run->list, &chan->done_q); 1628cd98e85aSSteve Longerbeam chan->current_run = NULL; 1629cd98e85aSSteve Longerbeam run_next(chan); 1630cd98e85aSSteve Longerbeam return IRQ_WAKE_THREAD; 1631cd98e85aSSteve Longerbeam } 1632cd98e85aSSteve Longerbeam 1633cd98e85aSSteve Longerbeam static irqreturn_t norotate_irq(int irq, void *data) 1634cd98e85aSSteve Longerbeam { 1635cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = data; 1636cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx; 1637cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run; 1638cd98e85aSSteve Longerbeam unsigned long flags; 1639cd98e85aSSteve Longerbeam irqreturn_t ret; 1640cd98e85aSSteve Longerbeam 1641cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 1642cd98e85aSSteve Longerbeam 1643cd98e85aSSteve Longerbeam /* get current run and its context */ 1644cd98e85aSSteve Longerbeam run = chan->current_run; 1645cd98e85aSSteve Longerbeam if (!run) { 1646cd98e85aSSteve Longerbeam ret = IRQ_NONE; 1647cd98e85aSSteve Longerbeam goto out; 1648cd98e85aSSteve Longerbeam } 1649cd98e85aSSteve Longerbeam 1650cd98e85aSSteve Longerbeam ctx = run->ctx; 1651cd98e85aSSteve Longerbeam 1652cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 1653cd98e85aSSteve Longerbeam /* this is a rotation operation, just ignore */ 1654cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1655cd98e85aSSteve Longerbeam return IRQ_HANDLED; 1656cd98e85aSSteve Longerbeam } 1657cd98e85aSSteve Longerbeam 1658cd98e85aSSteve Longerbeam ret = do_irq(run); 1659cd98e85aSSteve Longerbeam out: 1660cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1661cd98e85aSSteve Longerbeam return ret; 1662cd98e85aSSteve Longerbeam } 1663cd98e85aSSteve Longerbeam 1664cd98e85aSSteve Longerbeam static irqreturn_t rotate_irq(int irq, void *data) 1665cd98e85aSSteve Longerbeam { 1666cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = data; 1667cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 1668cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx; 1669cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run; 1670cd98e85aSSteve Longerbeam unsigned long flags; 1671cd98e85aSSteve Longerbeam irqreturn_t ret; 1672cd98e85aSSteve Longerbeam 1673cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 1674cd98e85aSSteve Longerbeam 1675cd98e85aSSteve Longerbeam /* get current run and its context */ 1676cd98e85aSSteve Longerbeam run = chan->current_run; 1677cd98e85aSSteve Longerbeam if (!run) { 1678cd98e85aSSteve Longerbeam ret = IRQ_NONE; 1679cd98e85aSSteve Longerbeam goto out; 1680cd98e85aSSteve Longerbeam } 1681cd98e85aSSteve Longerbeam 1682cd98e85aSSteve Longerbeam ctx = run->ctx; 1683cd98e85aSSteve Longerbeam 1684cd98e85aSSteve Longerbeam if (!ipu_rot_mode_is_irt(ctx->rot_mode)) { 1685cd98e85aSSteve Longerbeam /* this was NOT a rotation operation, shouldn't happen */ 1686cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "Unexpected rotation interrupt\n"); 1687cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1688cd98e85aSSteve Longerbeam return IRQ_HANDLED; 1689cd98e85aSSteve Longerbeam } 1690cd98e85aSSteve Longerbeam 1691cd98e85aSSteve Longerbeam ret = do_irq(run); 1692cd98e85aSSteve Longerbeam out: 1693cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1694cd98e85aSSteve Longerbeam return ret; 1695cd98e85aSSteve Longerbeam } 1696cd98e85aSSteve Longerbeam 1697cd98e85aSSteve Longerbeam /* 1698cd98e85aSSteve Longerbeam * try to force the completion of runs for this ctx. Called when 1699cd98e85aSSteve Longerbeam * abort wait times out in ipu_image_convert_abort(). 1700cd98e85aSSteve Longerbeam */ 1701cd98e85aSSteve Longerbeam static void force_abort(struct ipu_image_convert_ctx *ctx) 1702cd98e85aSSteve Longerbeam { 1703cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 1704cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run; 1705cd98e85aSSteve Longerbeam unsigned long flags; 1706cd98e85aSSteve Longerbeam 1707cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 1708cd98e85aSSteve Longerbeam 1709cd98e85aSSteve Longerbeam run = chan->current_run; 1710cd98e85aSSteve Longerbeam if (run && run->ctx == ctx) { 1711cd98e85aSSteve Longerbeam convert_stop(run); 1712cd98e85aSSteve Longerbeam run->status = -EIO; 1713cd98e85aSSteve Longerbeam list_add_tail(&run->list, &chan->done_q); 1714cd98e85aSSteve Longerbeam chan->current_run = NULL; 1715cd98e85aSSteve Longerbeam run_next(chan); 1716cd98e85aSSteve Longerbeam } 1717cd98e85aSSteve Longerbeam 1718cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1719cd98e85aSSteve Longerbeam 1720cd98e85aSSteve Longerbeam empty_done_q(chan); 1721cd98e85aSSteve Longerbeam } 1722cd98e85aSSteve Longerbeam 1723cd98e85aSSteve Longerbeam static void release_ipu_resources(struct ipu_image_convert_chan *chan) 1724cd98e85aSSteve Longerbeam { 1725cd98e85aSSteve Longerbeam if (chan->out_eof_irq >= 0) 1726cd98e85aSSteve Longerbeam free_irq(chan->out_eof_irq, chan); 1727cd98e85aSSteve Longerbeam if (chan->rot_out_eof_irq >= 0) 1728cd98e85aSSteve Longerbeam free_irq(chan->rot_out_eof_irq, chan); 1729cd98e85aSSteve Longerbeam 1730cd98e85aSSteve Longerbeam if (!IS_ERR_OR_NULL(chan->in_chan)) 1731cd98e85aSSteve Longerbeam ipu_idmac_put(chan->in_chan); 1732cd98e85aSSteve Longerbeam if (!IS_ERR_OR_NULL(chan->out_chan)) 1733cd98e85aSSteve Longerbeam ipu_idmac_put(chan->out_chan); 1734cd98e85aSSteve Longerbeam if (!IS_ERR_OR_NULL(chan->rotation_in_chan)) 1735cd98e85aSSteve Longerbeam ipu_idmac_put(chan->rotation_in_chan); 1736cd98e85aSSteve Longerbeam if (!IS_ERR_OR_NULL(chan->rotation_out_chan)) 1737cd98e85aSSteve Longerbeam ipu_idmac_put(chan->rotation_out_chan); 1738cd98e85aSSteve Longerbeam if (!IS_ERR_OR_NULL(chan->ic)) 1739cd98e85aSSteve Longerbeam ipu_ic_put(chan->ic); 1740cd98e85aSSteve Longerbeam 1741cd98e85aSSteve Longerbeam chan->in_chan = chan->out_chan = chan->rotation_in_chan = 1742cd98e85aSSteve Longerbeam chan->rotation_out_chan = NULL; 1743cd98e85aSSteve Longerbeam chan->out_eof_irq = chan->rot_out_eof_irq = -1; 1744cd98e85aSSteve Longerbeam } 1745cd98e85aSSteve Longerbeam 1746cd98e85aSSteve Longerbeam static int get_ipu_resources(struct ipu_image_convert_chan *chan) 1747cd98e85aSSteve Longerbeam { 1748cd98e85aSSteve Longerbeam const struct ipu_image_convert_dma_chan *dma = chan->dma_ch; 1749cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 1750cd98e85aSSteve Longerbeam int ret; 1751cd98e85aSSteve Longerbeam 1752cd98e85aSSteve Longerbeam /* get IC */ 1753cd98e85aSSteve Longerbeam chan->ic = ipu_ic_get(priv->ipu, chan->ic_task); 1754cd98e85aSSteve Longerbeam if (IS_ERR(chan->ic)) { 1755cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "could not acquire IC\n"); 1756cd98e85aSSteve Longerbeam ret = PTR_ERR(chan->ic); 1757cd98e85aSSteve Longerbeam goto err; 1758cd98e85aSSteve Longerbeam } 1759cd98e85aSSteve Longerbeam 1760cd98e85aSSteve Longerbeam /* get IDMAC channels */ 1761cd98e85aSSteve Longerbeam chan->in_chan = ipu_idmac_get(priv->ipu, dma->in); 1762cd98e85aSSteve Longerbeam chan->out_chan = ipu_idmac_get(priv->ipu, dma->out); 1763cd98e85aSSteve Longerbeam if (IS_ERR(chan->in_chan) || IS_ERR(chan->out_chan)) { 1764cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "could not acquire idmac channels\n"); 1765cd98e85aSSteve Longerbeam ret = -EBUSY; 1766cd98e85aSSteve Longerbeam goto err; 1767cd98e85aSSteve Longerbeam } 1768cd98e85aSSteve Longerbeam 1769cd98e85aSSteve Longerbeam chan->rotation_in_chan = ipu_idmac_get(priv->ipu, dma->rot_in); 1770cd98e85aSSteve Longerbeam chan->rotation_out_chan = ipu_idmac_get(priv->ipu, dma->rot_out); 1771cd98e85aSSteve Longerbeam if (IS_ERR(chan->rotation_in_chan) || IS_ERR(chan->rotation_out_chan)) { 1772cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, 1773cd98e85aSSteve Longerbeam "could not acquire idmac rotation channels\n"); 1774cd98e85aSSteve Longerbeam ret = -EBUSY; 1775cd98e85aSSteve Longerbeam goto err; 1776cd98e85aSSteve Longerbeam } 1777cd98e85aSSteve Longerbeam 1778cd98e85aSSteve Longerbeam /* acquire the EOF interrupts */ 1779cd98e85aSSteve Longerbeam chan->out_eof_irq = ipu_idmac_channel_irq(priv->ipu, 1780cd98e85aSSteve Longerbeam chan->out_chan, 1781cd98e85aSSteve Longerbeam IPU_IRQ_EOF); 1782cd98e85aSSteve Longerbeam 1783cd98e85aSSteve Longerbeam ret = request_threaded_irq(chan->out_eof_irq, norotate_irq, do_bh, 1784cd98e85aSSteve Longerbeam 0, "ipu-ic", chan); 1785cd98e85aSSteve Longerbeam if (ret < 0) { 1786cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "could not acquire irq %d\n", 1787cd98e85aSSteve Longerbeam chan->out_eof_irq); 1788cd98e85aSSteve Longerbeam chan->out_eof_irq = -1; 1789cd98e85aSSteve Longerbeam goto err; 1790cd98e85aSSteve Longerbeam } 1791cd98e85aSSteve Longerbeam 1792cd98e85aSSteve Longerbeam chan->rot_out_eof_irq = ipu_idmac_channel_irq(priv->ipu, 1793cd98e85aSSteve Longerbeam chan->rotation_out_chan, 1794cd98e85aSSteve Longerbeam IPU_IRQ_EOF); 1795cd98e85aSSteve Longerbeam 1796cd98e85aSSteve Longerbeam ret = request_threaded_irq(chan->rot_out_eof_irq, rotate_irq, do_bh, 1797cd98e85aSSteve Longerbeam 0, "ipu-ic", chan); 1798cd98e85aSSteve Longerbeam if (ret < 0) { 1799cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "could not acquire irq %d\n", 1800cd98e85aSSteve Longerbeam chan->rot_out_eof_irq); 1801cd98e85aSSteve Longerbeam chan->rot_out_eof_irq = -1; 1802cd98e85aSSteve Longerbeam goto err; 1803cd98e85aSSteve Longerbeam } 1804cd98e85aSSteve Longerbeam 1805cd98e85aSSteve Longerbeam return 0; 1806cd98e85aSSteve Longerbeam err: 1807cd98e85aSSteve Longerbeam release_ipu_resources(chan); 1808cd98e85aSSteve Longerbeam return ret; 1809cd98e85aSSteve Longerbeam } 1810cd98e85aSSteve Longerbeam 1811cd98e85aSSteve Longerbeam static int fill_image(struct ipu_image_convert_ctx *ctx, 1812cd98e85aSSteve Longerbeam struct ipu_image_convert_image *ic_image, 1813cd98e85aSSteve Longerbeam struct ipu_image *image, 1814cd98e85aSSteve Longerbeam enum ipu_image_convert_type type) 1815cd98e85aSSteve Longerbeam { 1816cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = ctx->chan->priv; 1817cd98e85aSSteve Longerbeam 1818cd98e85aSSteve Longerbeam ic_image->base = *image; 1819cd98e85aSSteve Longerbeam ic_image->type = type; 1820cd98e85aSSteve Longerbeam 1821cd98e85aSSteve Longerbeam ic_image->fmt = get_format(image->pix.pixelformat); 1822cd98e85aSSteve Longerbeam if (!ic_image->fmt) { 1823cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "pixelformat not supported for %s\n", 1824cd98e85aSSteve Longerbeam type == IMAGE_CONVERT_OUT ? "Output" : "Input"); 1825cd98e85aSSteve Longerbeam return -EINVAL; 1826cd98e85aSSteve Longerbeam } 1827cd98e85aSSteve Longerbeam 1828cd98e85aSSteve Longerbeam if (ic_image->fmt->planar) 1829cd98e85aSSteve Longerbeam ic_image->stride = ic_image->base.pix.width; 1830cd98e85aSSteve Longerbeam else 1831cd98e85aSSteve Longerbeam ic_image->stride = ic_image->base.pix.bytesperline; 1832cd98e85aSSteve Longerbeam 183326ddd032SPhilipp Zabel return 0; 1834cd98e85aSSteve Longerbeam } 1835cd98e85aSSteve Longerbeam 1836cd98e85aSSteve Longerbeam /* borrowed from drivers/media/v4l2-core/v4l2-common.c */ 1837cd98e85aSSteve Longerbeam static unsigned int clamp_align(unsigned int x, unsigned int min, 1838cd98e85aSSteve Longerbeam unsigned int max, unsigned int align) 1839cd98e85aSSteve Longerbeam { 1840cd98e85aSSteve Longerbeam /* Bits that must be zero to be aligned */ 1841cd98e85aSSteve Longerbeam unsigned int mask = ~((1 << align) - 1); 1842cd98e85aSSteve Longerbeam 1843cd98e85aSSteve Longerbeam /* Clamp to aligned min and max */ 1844cd98e85aSSteve Longerbeam x = clamp(x, (min + ~mask) & mask, max & mask); 1845cd98e85aSSteve Longerbeam 1846cd98e85aSSteve Longerbeam /* Round to nearest aligned value */ 1847cd98e85aSSteve Longerbeam if (align) 1848cd98e85aSSteve Longerbeam x = (x + (1 << (align - 1))) & mask; 1849cd98e85aSSteve Longerbeam 1850cd98e85aSSteve Longerbeam return x; 1851cd98e85aSSteve Longerbeam } 1852cd98e85aSSteve Longerbeam 1853cd98e85aSSteve Longerbeam /* Adjusts input/output images to IPU restrictions */ 1854cd98e85aSSteve Longerbeam void ipu_image_convert_adjust(struct ipu_image *in, struct ipu_image *out, 1855cd98e85aSSteve Longerbeam enum ipu_rotate_mode rot_mode) 1856cd98e85aSSteve Longerbeam { 1857cd98e85aSSteve Longerbeam const struct ipu_image_pixfmt *infmt, *outfmt; 1858cd98e85aSSteve Longerbeam unsigned int num_in_rows, num_in_cols; 1859cd98e85aSSteve Longerbeam unsigned int num_out_rows, num_out_cols; 1860cd98e85aSSteve Longerbeam u32 w_align, h_align; 1861cd98e85aSSteve Longerbeam 1862cd98e85aSSteve Longerbeam infmt = get_format(in->pix.pixelformat); 1863cd98e85aSSteve Longerbeam outfmt = get_format(out->pix.pixelformat); 1864cd98e85aSSteve Longerbeam 1865cd98e85aSSteve Longerbeam /* set some default pixel formats if needed */ 1866cd98e85aSSteve Longerbeam if (!infmt) { 1867cd98e85aSSteve Longerbeam in->pix.pixelformat = V4L2_PIX_FMT_RGB24; 1868cd98e85aSSteve Longerbeam infmt = get_format(V4L2_PIX_FMT_RGB24); 1869cd98e85aSSteve Longerbeam } 1870cd98e85aSSteve Longerbeam if (!outfmt) { 1871cd98e85aSSteve Longerbeam out->pix.pixelformat = V4L2_PIX_FMT_RGB24; 1872cd98e85aSSteve Longerbeam outfmt = get_format(V4L2_PIX_FMT_RGB24); 1873cd98e85aSSteve Longerbeam } 1874cd98e85aSSteve Longerbeam 1875cd98e85aSSteve Longerbeam /* image converter does not handle fields */ 1876cd98e85aSSteve Longerbeam in->pix.field = out->pix.field = V4L2_FIELD_NONE; 1877cd98e85aSSteve Longerbeam 1878cd98e85aSSteve Longerbeam /* resizer cannot downsize more than 4:1 */ 1879cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(rot_mode)) { 1880cd98e85aSSteve Longerbeam out->pix.height = max_t(__u32, out->pix.height, 1881cd98e85aSSteve Longerbeam in->pix.width / 4); 1882cd98e85aSSteve Longerbeam out->pix.width = max_t(__u32, out->pix.width, 1883cd98e85aSSteve Longerbeam in->pix.height / 4); 1884cd98e85aSSteve Longerbeam } else { 1885cd98e85aSSteve Longerbeam out->pix.width = max_t(__u32, out->pix.width, 1886cd98e85aSSteve Longerbeam in->pix.width / 4); 1887cd98e85aSSteve Longerbeam out->pix.height = max_t(__u32, out->pix.height, 1888cd98e85aSSteve Longerbeam in->pix.height / 4); 1889cd98e85aSSteve Longerbeam } 1890cd98e85aSSteve Longerbeam 1891cd98e85aSSteve Longerbeam /* get tiling rows/cols from output format */ 1892cd98e85aSSteve Longerbeam num_out_rows = num_stripes(out->pix.height); 1893cd98e85aSSteve Longerbeam num_out_cols = num_stripes(out->pix.width); 1894cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(rot_mode)) { 1895cd98e85aSSteve Longerbeam num_in_rows = num_out_cols; 1896cd98e85aSSteve Longerbeam num_in_cols = num_out_rows; 1897cd98e85aSSteve Longerbeam } else { 1898cd98e85aSSteve Longerbeam num_in_rows = num_out_rows; 1899cd98e85aSSteve Longerbeam num_in_cols = num_out_cols; 1900cd98e85aSSteve Longerbeam } 1901cd98e85aSSteve Longerbeam 1902cd98e85aSSteve Longerbeam /* align input width/height */ 1903cd98e85aSSteve Longerbeam w_align = ilog2(tile_width_align(infmt) * num_in_cols); 1904cd98e85aSSteve Longerbeam h_align = ilog2(tile_height_align(IMAGE_CONVERT_IN, rot_mode) * 1905cd98e85aSSteve Longerbeam num_in_rows); 1906cd98e85aSSteve Longerbeam in->pix.width = clamp_align(in->pix.width, MIN_W, MAX_W, w_align); 1907cd98e85aSSteve Longerbeam in->pix.height = clamp_align(in->pix.height, MIN_H, MAX_H, h_align); 1908cd98e85aSSteve Longerbeam 1909cd98e85aSSteve Longerbeam /* align output width/height */ 1910cd98e85aSSteve Longerbeam w_align = ilog2(tile_width_align(outfmt) * num_out_cols); 1911cd98e85aSSteve Longerbeam h_align = ilog2(tile_height_align(IMAGE_CONVERT_OUT, rot_mode) * 1912cd98e85aSSteve Longerbeam num_out_rows); 1913cd98e85aSSteve Longerbeam out->pix.width = clamp_align(out->pix.width, MIN_W, MAX_W, w_align); 1914cd98e85aSSteve Longerbeam out->pix.height = clamp_align(out->pix.height, MIN_H, MAX_H, h_align); 1915cd98e85aSSteve Longerbeam 1916cd98e85aSSteve Longerbeam /* set input/output strides and image sizes */ 1917cd98e85aSSteve Longerbeam in->pix.bytesperline = (in->pix.width * infmt->bpp) >> 3; 1918cd98e85aSSteve Longerbeam in->pix.sizeimage = in->pix.height * in->pix.bytesperline; 1919cd98e85aSSteve Longerbeam out->pix.bytesperline = (out->pix.width * outfmt->bpp) >> 3; 1920cd98e85aSSteve Longerbeam out->pix.sizeimage = out->pix.height * out->pix.bytesperline; 1921cd98e85aSSteve Longerbeam } 1922cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_adjust); 1923cd98e85aSSteve Longerbeam 1924cd98e85aSSteve Longerbeam /* 1925cd98e85aSSteve Longerbeam * this is used by ipu_image_convert_prepare() to verify set input and 1926cd98e85aSSteve Longerbeam * output images are valid before starting the conversion. Clients can 1927cd98e85aSSteve Longerbeam * also call it before calling ipu_image_convert_prepare(). 1928cd98e85aSSteve Longerbeam */ 1929cd98e85aSSteve Longerbeam int ipu_image_convert_verify(struct ipu_image *in, struct ipu_image *out, 1930cd98e85aSSteve Longerbeam enum ipu_rotate_mode rot_mode) 1931cd98e85aSSteve Longerbeam { 1932cd98e85aSSteve Longerbeam struct ipu_image testin, testout; 1933cd98e85aSSteve Longerbeam 1934cd98e85aSSteve Longerbeam testin = *in; 1935cd98e85aSSteve Longerbeam testout = *out; 1936cd98e85aSSteve Longerbeam 1937cd98e85aSSteve Longerbeam ipu_image_convert_adjust(&testin, &testout, rot_mode); 1938cd98e85aSSteve Longerbeam 1939cd98e85aSSteve Longerbeam if (testin.pix.width != in->pix.width || 1940cd98e85aSSteve Longerbeam testin.pix.height != in->pix.height || 1941cd98e85aSSteve Longerbeam testout.pix.width != out->pix.width || 1942cd98e85aSSteve Longerbeam testout.pix.height != out->pix.height) 1943cd98e85aSSteve Longerbeam return -EINVAL; 1944cd98e85aSSteve Longerbeam 1945cd98e85aSSteve Longerbeam return 0; 1946cd98e85aSSteve Longerbeam } 1947cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_verify); 1948cd98e85aSSteve Longerbeam 1949cd98e85aSSteve Longerbeam /* 1950cd98e85aSSteve Longerbeam * Call ipu_image_convert_prepare() to prepare for the conversion of 1951cd98e85aSSteve Longerbeam * given images and rotation mode. Returns a new conversion context. 1952cd98e85aSSteve Longerbeam */ 1953cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx * 1954cd98e85aSSteve Longerbeam ipu_image_convert_prepare(struct ipu_soc *ipu, enum ipu_ic_task ic_task, 1955cd98e85aSSteve Longerbeam struct ipu_image *in, struct ipu_image *out, 1956cd98e85aSSteve Longerbeam enum ipu_rotate_mode rot_mode, 1957cd98e85aSSteve Longerbeam ipu_image_convert_cb_t complete, 1958cd98e85aSSteve Longerbeam void *complete_context) 1959cd98e85aSSteve Longerbeam { 1960cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = ipu->image_convert_priv; 1961cd98e85aSSteve Longerbeam struct ipu_image_convert_image *s_image, *d_image; 1962cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan; 1963cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx; 1964cd98e85aSSteve Longerbeam unsigned long flags; 1965cd98e85aSSteve Longerbeam bool get_res; 1966cd98e85aSSteve Longerbeam int ret; 1967cd98e85aSSteve Longerbeam 1968cd98e85aSSteve Longerbeam if (!in || !out || !complete || 1969cd98e85aSSteve Longerbeam (ic_task != IC_TASK_VIEWFINDER && 1970cd98e85aSSteve Longerbeam ic_task != IC_TASK_POST_PROCESSOR)) 1971cd98e85aSSteve Longerbeam return ERR_PTR(-EINVAL); 1972cd98e85aSSteve Longerbeam 1973cd98e85aSSteve Longerbeam /* verify the in/out images before continuing */ 1974cd98e85aSSteve Longerbeam ret = ipu_image_convert_verify(in, out, rot_mode); 1975cd98e85aSSteve Longerbeam if (ret) { 1976cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "%s: in/out formats invalid\n", 1977cd98e85aSSteve Longerbeam __func__); 1978cd98e85aSSteve Longerbeam return ERR_PTR(ret); 1979cd98e85aSSteve Longerbeam } 1980cd98e85aSSteve Longerbeam 1981cd98e85aSSteve Longerbeam chan = &priv->chan[ic_task]; 1982cd98e85aSSteve Longerbeam 1983cd98e85aSSteve Longerbeam ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); 1984cd98e85aSSteve Longerbeam if (!ctx) 1985cd98e85aSSteve Longerbeam return ERR_PTR(-ENOMEM); 1986cd98e85aSSteve Longerbeam 1987cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, "%s: task %u: ctx %p\n", __func__, 1988cd98e85aSSteve Longerbeam chan->ic_task, ctx); 1989cd98e85aSSteve Longerbeam 1990cd98e85aSSteve Longerbeam ctx->chan = chan; 1991cd98e85aSSteve Longerbeam init_completion(&ctx->aborted); 1992cd98e85aSSteve Longerbeam 1993cd98e85aSSteve Longerbeam s_image = &ctx->in; 1994cd98e85aSSteve Longerbeam d_image = &ctx->out; 1995cd98e85aSSteve Longerbeam 1996cd98e85aSSteve Longerbeam /* set tiling and rotation */ 1997cd98e85aSSteve Longerbeam d_image->num_rows = num_stripes(out->pix.height); 1998cd98e85aSSteve Longerbeam d_image->num_cols = num_stripes(out->pix.width); 1999cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(rot_mode)) { 2000cd98e85aSSteve Longerbeam s_image->num_rows = d_image->num_cols; 2001cd98e85aSSteve Longerbeam s_image->num_cols = d_image->num_rows; 2002cd98e85aSSteve Longerbeam } else { 2003cd98e85aSSteve Longerbeam s_image->num_rows = d_image->num_rows; 2004cd98e85aSSteve Longerbeam s_image->num_cols = d_image->num_cols; 2005cd98e85aSSteve Longerbeam } 2006cd98e85aSSteve Longerbeam 2007cd98e85aSSteve Longerbeam ctx->num_tiles = d_image->num_cols * d_image->num_rows; 2008cd98e85aSSteve Longerbeam ctx->rot_mode = rot_mode; 2009cd98e85aSSteve Longerbeam 2010cd98e85aSSteve Longerbeam ret = fill_image(ctx, s_image, in, IMAGE_CONVERT_IN); 2011cd98e85aSSteve Longerbeam if (ret) 2012cd98e85aSSteve Longerbeam goto out_free; 2013cd98e85aSSteve Longerbeam ret = fill_image(ctx, d_image, out, IMAGE_CONVERT_OUT); 2014cd98e85aSSteve Longerbeam if (ret) 2015cd98e85aSSteve Longerbeam goto out_free; 2016cd98e85aSSteve Longerbeam 201726ddd032SPhilipp Zabel ret = calc_image_resize_coefficients(ctx, in, out); 201826ddd032SPhilipp Zabel if (ret) 201926ddd032SPhilipp Zabel goto out_free; 202026ddd032SPhilipp Zabel 202164fbae5eSPhilipp Zabel calc_out_tile_map(ctx); 202264fbae5eSPhilipp Zabel 202364fbae5eSPhilipp Zabel find_seams(ctx, s_image, d_image); 202464fbae5eSPhilipp Zabel 202526ddd032SPhilipp Zabel calc_tile_dimensions(ctx, s_image); 202626ddd032SPhilipp Zabel ret = calc_tile_offsets(ctx, s_image); 202726ddd032SPhilipp Zabel if (ret) 202826ddd032SPhilipp Zabel goto out_free; 202926ddd032SPhilipp Zabel 203026ddd032SPhilipp Zabel calc_tile_dimensions(ctx, d_image); 203126ddd032SPhilipp Zabel ret = calc_tile_offsets(ctx, d_image); 203226ddd032SPhilipp Zabel if (ret) 203326ddd032SPhilipp Zabel goto out_free; 203426ddd032SPhilipp Zabel 203570b9b6b3SPhilipp Zabel calc_tile_resize_coefficients(ctx); 2036cd98e85aSSteve Longerbeam 2037cd98e85aSSteve Longerbeam dump_format(ctx, s_image); 2038cd98e85aSSteve Longerbeam dump_format(ctx, d_image); 2039cd98e85aSSteve Longerbeam 2040cd98e85aSSteve Longerbeam ctx->complete = complete; 2041cd98e85aSSteve Longerbeam ctx->complete_context = complete_context; 2042cd98e85aSSteve Longerbeam 2043cd98e85aSSteve Longerbeam /* 2044cd98e85aSSteve Longerbeam * Can we use double-buffering for this operation? If there is 2045cd98e85aSSteve Longerbeam * only one tile (the whole image can be converted in a single 2046cd98e85aSSteve Longerbeam * operation) there's no point in using double-buffering. Also, 2047cd98e85aSSteve Longerbeam * the IPU's IDMAC channels allow only a single U and V plane 2048cd98e85aSSteve Longerbeam * offset shared between both buffers, but these offsets change 2049cd98e85aSSteve Longerbeam * for every tile, and therefore would have to be updated for 2050cd98e85aSSteve Longerbeam * each buffer which is not possible. So double-buffering is 2051cd98e85aSSteve Longerbeam * impossible when either the source or destination images are 2052cd98e85aSSteve Longerbeam * a planar format (YUV420, YUV422P, etc.). 2053cd98e85aSSteve Longerbeam */ 2054cd98e85aSSteve Longerbeam ctx->double_buffering = (ctx->num_tiles > 1 && 2055cd98e85aSSteve Longerbeam !s_image->fmt->planar && 2056cd98e85aSSteve Longerbeam !d_image->fmt->planar); 2057cd98e85aSSteve Longerbeam 2058cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 2059dd65d2a9SPhilipp Zabel unsigned long intermediate_size = d_image->tile[0].size; 2060dd65d2a9SPhilipp Zabel unsigned int i; 2061dd65d2a9SPhilipp Zabel 2062dd65d2a9SPhilipp Zabel for (i = 1; i < ctx->num_tiles; i++) { 2063dd65d2a9SPhilipp Zabel if (d_image->tile[i].size > intermediate_size) 2064dd65d2a9SPhilipp Zabel intermediate_size = d_image->tile[i].size; 2065dd65d2a9SPhilipp Zabel } 2066dd65d2a9SPhilipp Zabel 2067cd98e85aSSteve Longerbeam ret = alloc_dma_buf(priv, &ctx->rot_intermediate[0], 2068dd65d2a9SPhilipp Zabel intermediate_size); 2069cd98e85aSSteve Longerbeam if (ret) 2070cd98e85aSSteve Longerbeam goto out_free; 2071cd98e85aSSteve Longerbeam if (ctx->double_buffering) { 2072cd98e85aSSteve Longerbeam ret = alloc_dma_buf(priv, 2073cd98e85aSSteve Longerbeam &ctx->rot_intermediate[1], 2074dd65d2a9SPhilipp Zabel intermediate_size); 2075cd98e85aSSteve Longerbeam if (ret) 2076cd98e85aSSteve Longerbeam goto out_free_dmabuf0; 2077cd98e85aSSteve Longerbeam } 2078cd98e85aSSteve Longerbeam } 2079cd98e85aSSteve Longerbeam 2080cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 2081cd98e85aSSteve Longerbeam 2082cd98e85aSSteve Longerbeam get_res = list_empty(&chan->ctx_list); 2083cd98e85aSSteve Longerbeam 2084cd98e85aSSteve Longerbeam list_add_tail(&ctx->list, &chan->ctx_list); 2085cd98e85aSSteve Longerbeam 2086cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 2087cd98e85aSSteve Longerbeam 2088cd98e85aSSteve Longerbeam if (get_res) { 2089cd98e85aSSteve Longerbeam ret = get_ipu_resources(chan); 2090cd98e85aSSteve Longerbeam if (ret) 2091cd98e85aSSteve Longerbeam goto out_free_dmabuf1; 2092cd98e85aSSteve Longerbeam } 2093cd98e85aSSteve Longerbeam 2094cd98e85aSSteve Longerbeam return ctx; 2095cd98e85aSSteve Longerbeam 2096cd98e85aSSteve Longerbeam out_free_dmabuf1: 2097cd98e85aSSteve Longerbeam free_dma_buf(priv, &ctx->rot_intermediate[1]); 2098cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 2099cd98e85aSSteve Longerbeam list_del(&ctx->list); 2100cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 2101cd98e85aSSteve Longerbeam out_free_dmabuf0: 2102cd98e85aSSteve Longerbeam free_dma_buf(priv, &ctx->rot_intermediate[0]); 2103cd98e85aSSteve Longerbeam out_free: 2104cd98e85aSSteve Longerbeam kfree(ctx); 2105cd98e85aSSteve Longerbeam return ERR_PTR(ret); 2106cd98e85aSSteve Longerbeam } 2107cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_prepare); 2108cd98e85aSSteve Longerbeam 2109cd98e85aSSteve Longerbeam /* 2110cd98e85aSSteve Longerbeam * Carry out a single image conversion run. Only the physaddr's of the input 2111cd98e85aSSteve Longerbeam * and output image buffers are needed. The conversion context must have 2112cd98e85aSSteve Longerbeam * been created previously with ipu_image_convert_prepare(). 2113cd98e85aSSteve Longerbeam */ 2114cd98e85aSSteve Longerbeam int ipu_image_convert_queue(struct ipu_image_convert_run *run) 2115cd98e85aSSteve Longerbeam { 2116cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan; 2117cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv; 2118cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx; 2119cd98e85aSSteve Longerbeam unsigned long flags; 2120cd98e85aSSteve Longerbeam int ret = 0; 2121cd98e85aSSteve Longerbeam 2122cd98e85aSSteve Longerbeam if (!run || !run->ctx || !run->in_phys || !run->out_phys) 2123cd98e85aSSteve Longerbeam return -EINVAL; 2124cd98e85aSSteve Longerbeam 2125cd98e85aSSteve Longerbeam ctx = run->ctx; 2126cd98e85aSSteve Longerbeam chan = ctx->chan; 2127cd98e85aSSteve Longerbeam priv = chan->priv; 2128cd98e85aSSteve Longerbeam 2129cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, "%s: task %u: ctx %p run %p\n", __func__, 2130cd98e85aSSteve Longerbeam chan->ic_task, ctx, run); 2131cd98e85aSSteve Longerbeam 2132cd98e85aSSteve Longerbeam INIT_LIST_HEAD(&run->list); 2133cd98e85aSSteve Longerbeam 2134cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 2135cd98e85aSSteve Longerbeam 2136cd98e85aSSteve Longerbeam if (ctx->aborting) { 2137cd98e85aSSteve Longerbeam ret = -EIO; 2138cd98e85aSSteve Longerbeam goto unlock; 2139cd98e85aSSteve Longerbeam } 2140cd98e85aSSteve Longerbeam 2141cd98e85aSSteve Longerbeam list_add_tail(&run->list, &chan->pending_q); 2142cd98e85aSSteve Longerbeam 2143cd98e85aSSteve Longerbeam if (!chan->current_run) { 2144cd98e85aSSteve Longerbeam ret = do_run(run); 2145cd98e85aSSteve Longerbeam if (ret) 2146cd98e85aSSteve Longerbeam chan->current_run = NULL; 2147cd98e85aSSteve Longerbeam } 2148cd98e85aSSteve Longerbeam unlock: 2149cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 2150cd98e85aSSteve Longerbeam return ret; 2151cd98e85aSSteve Longerbeam } 2152cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_queue); 2153cd98e85aSSteve Longerbeam 2154cd98e85aSSteve Longerbeam /* Abort any active or pending conversions for this context */ 2155819bec35SSteve Longerbeam static void __ipu_image_convert_abort(struct ipu_image_convert_ctx *ctx) 2156cd98e85aSSteve Longerbeam { 2157cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 2158cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 2159cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run, *active_run, *tmp; 2160cd98e85aSSteve Longerbeam unsigned long flags; 2161cd98e85aSSteve Longerbeam int run_count, ret; 2162cd98e85aSSteve Longerbeam 2163cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 2164cd98e85aSSteve Longerbeam 2165cd98e85aSSteve Longerbeam /* move all remaining pending runs in this context to done_q */ 2166cd98e85aSSteve Longerbeam list_for_each_entry_safe(run, tmp, &chan->pending_q, list) { 2167cd98e85aSSteve Longerbeam if (run->ctx != ctx) 2168cd98e85aSSteve Longerbeam continue; 2169cd98e85aSSteve Longerbeam run->status = -EIO; 2170cd98e85aSSteve Longerbeam list_move_tail(&run->list, &chan->done_q); 2171cd98e85aSSteve Longerbeam } 2172cd98e85aSSteve Longerbeam 2173cd98e85aSSteve Longerbeam run_count = get_run_count(ctx, &chan->done_q); 2174cd98e85aSSteve Longerbeam active_run = (chan->current_run && chan->current_run->ctx == ctx) ? 2175cd98e85aSSteve Longerbeam chan->current_run : NULL; 2176cd98e85aSSteve Longerbeam 2177aa60b261SSteve Longerbeam if (active_run) 2178aa60b261SSteve Longerbeam reinit_completion(&ctx->aborted); 2179aa60b261SSteve Longerbeam 2180819bec35SSteve Longerbeam ctx->aborting = true; 2181cd98e85aSSteve Longerbeam 2182cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 2183cd98e85aSSteve Longerbeam 2184b288adadSSteve Longerbeam if (!run_count && !active_run) { 2185cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, 2186cd98e85aSSteve Longerbeam "%s: task %u: no abort needed for ctx %p\n", 2187cd98e85aSSteve Longerbeam __func__, chan->ic_task, ctx); 2188cd98e85aSSteve Longerbeam return; 2189cd98e85aSSteve Longerbeam } 2190cd98e85aSSteve Longerbeam 2191920340aeSSteve Longerbeam if (!active_run) { 2192920340aeSSteve Longerbeam empty_done_q(chan); 2193920340aeSSteve Longerbeam return; 2194920340aeSSteve Longerbeam } 2195920340aeSSteve Longerbeam 2196cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, 2197920340aeSSteve Longerbeam "%s: task %u: wait for completion: %d runs\n", 2198920340aeSSteve Longerbeam __func__, chan->ic_task, run_count); 2199cd98e85aSSteve Longerbeam 2200cd98e85aSSteve Longerbeam ret = wait_for_completion_timeout(&ctx->aborted, 2201cd98e85aSSteve Longerbeam msecs_to_jiffies(10000)); 2202cd98e85aSSteve Longerbeam if (ret == 0) { 2203cd98e85aSSteve Longerbeam dev_warn(priv->ipu->dev, "%s: timeout\n", __func__); 2204cd98e85aSSteve Longerbeam force_abort(ctx); 2205cd98e85aSSteve Longerbeam } 2206819bec35SSteve Longerbeam } 2207cd98e85aSSteve Longerbeam 2208819bec35SSteve Longerbeam void ipu_image_convert_abort(struct ipu_image_convert_ctx *ctx) 2209819bec35SSteve Longerbeam { 2210819bec35SSteve Longerbeam __ipu_image_convert_abort(ctx); 2211cd98e85aSSteve Longerbeam ctx->aborting = false; 2212cd98e85aSSteve Longerbeam } 2213cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_abort); 2214cd98e85aSSteve Longerbeam 2215cd98e85aSSteve Longerbeam /* Unprepare image conversion context */ 2216cd98e85aSSteve Longerbeam void ipu_image_convert_unprepare(struct ipu_image_convert_ctx *ctx) 2217cd98e85aSSteve Longerbeam { 2218cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 2219cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 2220cd98e85aSSteve Longerbeam unsigned long flags; 2221cd98e85aSSteve Longerbeam bool put_res; 2222cd98e85aSSteve Longerbeam 2223cd98e85aSSteve Longerbeam /* make sure no runs are hanging around */ 2224819bec35SSteve Longerbeam __ipu_image_convert_abort(ctx); 2225cd98e85aSSteve Longerbeam 2226cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, "%s: task %u: removing ctx %p\n", __func__, 2227cd98e85aSSteve Longerbeam chan->ic_task, ctx); 2228cd98e85aSSteve Longerbeam 2229cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 2230cd98e85aSSteve Longerbeam 2231cd98e85aSSteve Longerbeam list_del(&ctx->list); 2232cd98e85aSSteve Longerbeam 2233cd98e85aSSteve Longerbeam put_res = list_empty(&chan->ctx_list); 2234cd98e85aSSteve Longerbeam 2235cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 2236cd98e85aSSteve Longerbeam 2237cd98e85aSSteve Longerbeam if (put_res) 2238cd98e85aSSteve Longerbeam release_ipu_resources(chan); 2239cd98e85aSSteve Longerbeam 2240cd98e85aSSteve Longerbeam free_dma_buf(priv, &ctx->rot_intermediate[1]); 2241cd98e85aSSteve Longerbeam free_dma_buf(priv, &ctx->rot_intermediate[0]); 2242cd98e85aSSteve Longerbeam 2243cd98e85aSSteve Longerbeam kfree(ctx); 2244cd98e85aSSteve Longerbeam } 2245cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_unprepare); 2246cd98e85aSSteve Longerbeam 2247cd98e85aSSteve Longerbeam /* 2248cd98e85aSSteve Longerbeam * "Canned" asynchronous single image conversion. Allocates and returns 2249cd98e85aSSteve Longerbeam * a new conversion run. On successful return the caller must free the 2250cd98e85aSSteve Longerbeam * run and call ipu_image_convert_unprepare() after conversion completes. 2251cd98e85aSSteve Longerbeam */ 2252cd98e85aSSteve Longerbeam struct ipu_image_convert_run * 2253cd98e85aSSteve Longerbeam ipu_image_convert(struct ipu_soc *ipu, enum ipu_ic_task ic_task, 2254cd98e85aSSteve Longerbeam struct ipu_image *in, struct ipu_image *out, 2255cd98e85aSSteve Longerbeam enum ipu_rotate_mode rot_mode, 2256cd98e85aSSteve Longerbeam ipu_image_convert_cb_t complete, 2257cd98e85aSSteve Longerbeam void *complete_context) 2258cd98e85aSSteve Longerbeam { 2259cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx; 2260cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run; 2261cd98e85aSSteve Longerbeam int ret; 2262cd98e85aSSteve Longerbeam 2263cd98e85aSSteve Longerbeam ctx = ipu_image_convert_prepare(ipu, ic_task, in, out, rot_mode, 2264cd98e85aSSteve Longerbeam complete, complete_context); 2265cd98e85aSSteve Longerbeam if (IS_ERR(ctx)) 22664ad3e92cSWei Yongjun return ERR_CAST(ctx); 2267cd98e85aSSteve Longerbeam 2268cd98e85aSSteve Longerbeam run = kzalloc(sizeof(*run), GFP_KERNEL); 2269cd98e85aSSteve Longerbeam if (!run) { 2270cd98e85aSSteve Longerbeam ipu_image_convert_unprepare(ctx); 2271cd98e85aSSteve Longerbeam return ERR_PTR(-ENOMEM); 2272cd98e85aSSteve Longerbeam } 2273cd98e85aSSteve Longerbeam 2274cd98e85aSSteve Longerbeam run->ctx = ctx; 2275cd98e85aSSteve Longerbeam run->in_phys = in->phys0; 2276cd98e85aSSteve Longerbeam run->out_phys = out->phys0; 2277cd98e85aSSteve Longerbeam 2278cd98e85aSSteve Longerbeam ret = ipu_image_convert_queue(run); 2279cd98e85aSSteve Longerbeam if (ret) { 2280cd98e85aSSteve Longerbeam ipu_image_convert_unprepare(ctx); 2281cd98e85aSSteve Longerbeam kfree(run); 2282cd98e85aSSteve Longerbeam return ERR_PTR(ret); 2283cd98e85aSSteve Longerbeam } 2284cd98e85aSSteve Longerbeam 2285cd98e85aSSteve Longerbeam return run; 2286cd98e85aSSteve Longerbeam } 2287cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert); 2288cd98e85aSSteve Longerbeam 2289cd98e85aSSteve Longerbeam /* "Canned" synchronous single image conversion */ 2290cd98e85aSSteve Longerbeam static void image_convert_sync_complete(struct ipu_image_convert_run *run, 2291cd98e85aSSteve Longerbeam void *data) 2292cd98e85aSSteve Longerbeam { 2293cd98e85aSSteve Longerbeam struct completion *comp = data; 2294cd98e85aSSteve Longerbeam 2295cd98e85aSSteve Longerbeam complete(comp); 2296cd98e85aSSteve Longerbeam } 2297cd98e85aSSteve Longerbeam 2298cd98e85aSSteve Longerbeam int ipu_image_convert_sync(struct ipu_soc *ipu, enum ipu_ic_task ic_task, 2299cd98e85aSSteve Longerbeam struct ipu_image *in, struct ipu_image *out, 2300cd98e85aSSteve Longerbeam enum ipu_rotate_mode rot_mode) 2301cd98e85aSSteve Longerbeam { 2302cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run; 2303cd98e85aSSteve Longerbeam struct completion comp; 2304cd98e85aSSteve Longerbeam int ret; 2305cd98e85aSSteve Longerbeam 2306cd98e85aSSteve Longerbeam init_completion(&comp); 2307cd98e85aSSteve Longerbeam 2308cd98e85aSSteve Longerbeam run = ipu_image_convert(ipu, ic_task, in, out, rot_mode, 2309cd98e85aSSteve Longerbeam image_convert_sync_complete, &comp); 2310cd98e85aSSteve Longerbeam if (IS_ERR(run)) 2311cd98e85aSSteve Longerbeam return PTR_ERR(run); 2312cd98e85aSSteve Longerbeam 2313cd98e85aSSteve Longerbeam ret = wait_for_completion_timeout(&comp, msecs_to_jiffies(10000)); 2314cd98e85aSSteve Longerbeam ret = (ret == 0) ? -ETIMEDOUT : 0; 2315cd98e85aSSteve Longerbeam 2316cd98e85aSSteve Longerbeam ipu_image_convert_unprepare(run->ctx); 2317cd98e85aSSteve Longerbeam kfree(run); 2318cd98e85aSSteve Longerbeam 2319cd98e85aSSteve Longerbeam return ret; 2320cd98e85aSSteve Longerbeam } 2321cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_sync); 2322cd98e85aSSteve Longerbeam 2323cd98e85aSSteve Longerbeam int ipu_image_convert_init(struct ipu_soc *ipu, struct device *dev) 2324cd98e85aSSteve Longerbeam { 2325cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv; 2326cd98e85aSSteve Longerbeam int i; 2327cd98e85aSSteve Longerbeam 2328cd98e85aSSteve Longerbeam priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); 2329cd98e85aSSteve Longerbeam if (!priv) 2330cd98e85aSSteve Longerbeam return -ENOMEM; 2331cd98e85aSSteve Longerbeam 2332cd98e85aSSteve Longerbeam ipu->image_convert_priv = priv; 2333cd98e85aSSteve Longerbeam priv->ipu = ipu; 2334cd98e85aSSteve Longerbeam 2335cd98e85aSSteve Longerbeam for (i = 0; i < IC_NUM_TASKS; i++) { 2336cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = &priv->chan[i]; 2337cd98e85aSSteve Longerbeam 2338cd98e85aSSteve Longerbeam chan->ic_task = i; 2339cd98e85aSSteve Longerbeam chan->priv = priv; 2340cd98e85aSSteve Longerbeam chan->dma_ch = &image_convert_dma_chan[i]; 2341cd98e85aSSteve Longerbeam chan->out_eof_irq = -1; 2342cd98e85aSSteve Longerbeam chan->rot_out_eof_irq = -1; 2343cd98e85aSSteve Longerbeam 2344cd98e85aSSteve Longerbeam spin_lock_init(&chan->irqlock); 2345cd98e85aSSteve Longerbeam INIT_LIST_HEAD(&chan->ctx_list); 2346cd98e85aSSteve Longerbeam INIT_LIST_HEAD(&chan->pending_q); 2347cd98e85aSSteve Longerbeam INIT_LIST_HEAD(&chan->done_q); 2348cd98e85aSSteve Longerbeam } 2349cd98e85aSSteve Longerbeam 2350cd98e85aSSteve Longerbeam return 0; 2351cd98e85aSSteve Longerbeam } 2352cd98e85aSSteve Longerbeam 2353cd98e85aSSteve Longerbeam void ipu_image_convert_exit(struct ipu_soc *ipu) 2354cd98e85aSSteve Longerbeam { 2355cd98e85aSSteve Longerbeam } 2356