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; 87cd98e85aSSteve Longerbeam /* size and strides are in bytes */ 88cd98e85aSSteve Longerbeam u32 size; 89cd98e85aSSteve Longerbeam u32 stride; 90cd98e85aSSteve Longerbeam u32 rot_stride; 91cd98e85aSSteve Longerbeam /* start Y or packed offset of this tile */ 92cd98e85aSSteve Longerbeam u32 offset; 93cd98e85aSSteve Longerbeam /* offset from start to tile in U plane, for planar formats */ 94cd98e85aSSteve Longerbeam u32 u_off; 95cd98e85aSSteve Longerbeam /* offset from start to tile in V plane, for planar formats */ 96cd98e85aSSteve Longerbeam u32 v_off; 97cd98e85aSSteve Longerbeam }; 98cd98e85aSSteve Longerbeam 99cd98e85aSSteve Longerbeam struct ipu_image_convert_image { 100cd98e85aSSteve Longerbeam struct ipu_image base; 101cd98e85aSSteve Longerbeam enum ipu_image_convert_type type; 102cd98e85aSSteve Longerbeam 103cd98e85aSSteve Longerbeam const struct ipu_image_pixfmt *fmt; 104cd98e85aSSteve Longerbeam unsigned int stride; 105cd98e85aSSteve Longerbeam 106cd98e85aSSteve Longerbeam /* # of rows (horizontal stripes) if dest height is > 1024 */ 107cd98e85aSSteve Longerbeam unsigned int num_rows; 108cd98e85aSSteve Longerbeam /* # of columns (vertical stripes) if dest width is > 1024 */ 109cd98e85aSSteve Longerbeam unsigned int num_cols; 110cd98e85aSSteve Longerbeam 111cd98e85aSSteve Longerbeam struct ipu_image_tile tile[MAX_TILES]; 112cd98e85aSSteve Longerbeam }; 113cd98e85aSSteve Longerbeam 114cd98e85aSSteve Longerbeam struct ipu_image_pixfmt { 115cd98e85aSSteve Longerbeam u32 fourcc; /* V4L2 fourcc */ 116cd98e85aSSteve Longerbeam int bpp; /* total bpp */ 117cd98e85aSSteve Longerbeam int uv_width_dec; /* decimation in width for U/V planes */ 118cd98e85aSSteve Longerbeam int uv_height_dec; /* decimation in height for U/V planes */ 119cd98e85aSSteve Longerbeam bool planar; /* planar format */ 120cd98e85aSSteve Longerbeam bool uv_swapped; /* U and V planes are swapped */ 121cd98e85aSSteve Longerbeam bool uv_packed; /* partial planar (U and V in same plane) */ 122cd98e85aSSteve Longerbeam }; 123cd98e85aSSteve Longerbeam 124cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx; 125cd98e85aSSteve Longerbeam struct ipu_image_convert_chan; 126cd98e85aSSteve Longerbeam struct ipu_image_convert_priv; 127cd98e85aSSteve Longerbeam 128cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx { 129cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan; 130cd98e85aSSteve Longerbeam 131cd98e85aSSteve Longerbeam ipu_image_convert_cb_t complete; 132cd98e85aSSteve Longerbeam void *complete_context; 133cd98e85aSSteve Longerbeam 134cd98e85aSSteve Longerbeam /* Source/destination image data and rotation mode */ 135cd98e85aSSteve Longerbeam struct ipu_image_convert_image in; 136cd98e85aSSteve Longerbeam struct ipu_image_convert_image out; 137cd98e85aSSteve Longerbeam enum ipu_rotate_mode rot_mode; 138cd98e85aSSteve Longerbeam 139cd98e85aSSteve Longerbeam /* intermediate buffer for rotation */ 140cd98e85aSSteve Longerbeam struct ipu_image_convert_dma_buf rot_intermediate[2]; 141cd98e85aSSteve Longerbeam 142cd98e85aSSteve Longerbeam /* current buffer number for double buffering */ 143cd98e85aSSteve Longerbeam int cur_buf_num; 144cd98e85aSSteve Longerbeam 145cd98e85aSSteve Longerbeam bool aborting; 146cd98e85aSSteve Longerbeam struct completion aborted; 147cd98e85aSSteve Longerbeam 148cd98e85aSSteve Longerbeam /* can we use double-buffering for this conversion operation? */ 149cd98e85aSSteve Longerbeam bool double_buffering; 150cd98e85aSSteve Longerbeam /* num_rows * num_cols */ 151cd98e85aSSteve Longerbeam unsigned int num_tiles; 152cd98e85aSSteve Longerbeam /* next tile to process */ 153cd98e85aSSteve Longerbeam unsigned int next_tile; 154cd98e85aSSteve Longerbeam /* where to place converted tile in dest image */ 155cd98e85aSSteve Longerbeam unsigned int out_tile_map[MAX_TILES]; 156cd98e85aSSteve Longerbeam 157cd98e85aSSteve Longerbeam struct list_head list; 158cd98e85aSSteve Longerbeam }; 159cd98e85aSSteve Longerbeam 160cd98e85aSSteve Longerbeam struct ipu_image_convert_chan { 161cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv; 162cd98e85aSSteve Longerbeam 163cd98e85aSSteve Longerbeam enum ipu_ic_task ic_task; 164cd98e85aSSteve Longerbeam const struct ipu_image_convert_dma_chan *dma_ch; 165cd98e85aSSteve Longerbeam 166cd98e85aSSteve Longerbeam struct ipu_ic *ic; 167cd98e85aSSteve Longerbeam struct ipuv3_channel *in_chan; 168cd98e85aSSteve Longerbeam struct ipuv3_channel *out_chan; 169cd98e85aSSteve Longerbeam struct ipuv3_channel *rotation_in_chan; 170cd98e85aSSteve Longerbeam struct ipuv3_channel *rotation_out_chan; 171cd98e85aSSteve Longerbeam 172cd98e85aSSteve Longerbeam /* the IPU end-of-frame irqs */ 173cd98e85aSSteve Longerbeam int out_eof_irq; 174cd98e85aSSteve Longerbeam int rot_out_eof_irq; 175cd98e85aSSteve Longerbeam 176cd98e85aSSteve Longerbeam spinlock_t irqlock; 177cd98e85aSSteve Longerbeam 178cd98e85aSSteve Longerbeam /* list of convert contexts */ 179cd98e85aSSteve Longerbeam struct list_head ctx_list; 180cd98e85aSSteve Longerbeam /* queue of conversion runs */ 181cd98e85aSSteve Longerbeam struct list_head pending_q; 182cd98e85aSSteve Longerbeam /* queue of completed runs */ 183cd98e85aSSteve Longerbeam struct list_head done_q; 184cd98e85aSSteve Longerbeam 185cd98e85aSSteve Longerbeam /* the current conversion run */ 186cd98e85aSSteve Longerbeam struct ipu_image_convert_run *current_run; 187cd98e85aSSteve Longerbeam }; 188cd98e85aSSteve Longerbeam 189cd98e85aSSteve Longerbeam struct ipu_image_convert_priv { 190cd98e85aSSteve Longerbeam struct ipu_image_convert_chan chan[IC_NUM_TASKS]; 191cd98e85aSSteve Longerbeam struct ipu_soc *ipu; 192cd98e85aSSteve Longerbeam }; 193cd98e85aSSteve Longerbeam 194cd98e85aSSteve Longerbeam static const struct ipu_image_convert_dma_chan 195cd98e85aSSteve Longerbeam image_convert_dma_chan[IC_NUM_TASKS] = { 196cd98e85aSSteve Longerbeam [IC_TASK_VIEWFINDER] = { 197cd98e85aSSteve Longerbeam .in = IPUV3_CHANNEL_MEM_IC_PRP_VF, 198cd98e85aSSteve Longerbeam .out = IPUV3_CHANNEL_IC_PRP_VF_MEM, 199cd98e85aSSteve Longerbeam .rot_in = IPUV3_CHANNEL_MEM_ROT_VF, 200cd98e85aSSteve Longerbeam .rot_out = IPUV3_CHANNEL_ROT_VF_MEM, 201cd98e85aSSteve Longerbeam .vdi_in_p = IPUV3_CHANNEL_MEM_VDI_PREV, 202cd98e85aSSteve Longerbeam .vdi_in = IPUV3_CHANNEL_MEM_VDI_CUR, 203cd98e85aSSteve Longerbeam .vdi_in_n = IPUV3_CHANNEL_MEM_VDI_NEXT, 204cd98e85aSSteve Longerbeam }, 205cd98e85aSSteve Longerbeam [IC_TASK_POST_PROCESSOR] = { 206cd98e85aSSteve Longerbeam .in = IPUV3_CHANNEL_MEM_IC_PP, 207cd98e85aSSteve Longerbeam .out = IPUV3_CHANNEL_IC_PP_MEM, 208cd98e85aSSteve Longerbeam .rot_in = IPUV3_CHANNEL_MEM_ROT_PP, 209cd98e85aSSteve Longerbeam .rot_out = IPUV3_CHANNEL_ROT_PP_MEM, 210cd98e85aSSteve Longerbeam }, 211cd98e85aSSteve Longerbeam }; 212cd98e85aSSteve Longerbeam 213cd98e85aSSteve Longerbeam static const struct ipu_image_pixfmt image_convert_formats[] = { 214cd98e85aSSteve Longerbeam { 215cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_RGB565, 216cd98e85aSSteve Longerbeam .bpp = 16, 217cd98e85aSSteve Longerbeam }, { 218cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_RGB24, 219cd98e85aSSteve Longerbeam .bpp = 24, 220cd98e85aSSteve Longerbeam }, { 221cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_BGR24, 222cd98e85aSSteve Longerbeam .bpp = 24, 223cd98e85aSSteve Longerbeam }, { 224cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_RGB32, 225cd98e85aSSteve Longerbeam .bpp = 32, 226cd98e85aSSteve Longerbeam }, { 227cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_BGR32, 228cd98e85aSSteve Longerbeam .bpp = 32, 229cd98e85aSSteve Longerbeam }, { 2305c41bb60SPhilipp Zabel .fourcc = V4L2_PIX_FMT_XRGB32, 2315c41bb60SPhilipp Zabel .bpp = 32, 2325c41bb60SPhilipp Zabel }, { 2335c41bb60SPhilipp Zabel .fourcc = V4L2_PIX_FMT_XBGR32, 2345c41bb60SPhilipp Zabel .bpp = 32, 2355c41bb60SPhilipp Zabel }, { 236cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_YUYV, 237cd98e85aSSteve Longerbeam .bpp = 16, 238cd98e85aSSteve Longerbeam .uv_width_dec = 2, 239cd98e85aSSteve Longerbeam .uv_height_dec = 1, 240cd98e85aSSteve Longerbeam }, { 241cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_UYVY, 242cd98e85aSSteve Longerbeam .bpp = 16, 243cd98e85aSSteve Longerbeam .uv_width_dec = 2, 244cd98e85aSSteve Longerbeam .uv_height_dec = 1, 245cd98e85aSSteve Longerbeam }, { 246cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_YUV420, 247cd98e85aSSteve Longerbeam .bpp = 12, 248cd98e85aSSteve Longerbeam .planar = true, 249cd98e85aSSteve Longerbeam .uv_width_dec = 2, 250cd98e85aSSteve Longerbeam .uv_height_dec = 2, 251cd98e85aSSteve Longerbeam }, { 252cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_YVU420, 253cd98e85aSSteve Longerbeam .bpp = 12, 254cd98e85aSSteve Longerbeam .planar = true, 255cd98e85aSSteve Longerbeam .uv_width_dec = 2, 256cd98e85aSSteve Longerbeam .uv_height_dec = 2, 257cd98e85aSSteve Longerbeam .uv_swapped = true, 258cd98e85aSSteve Longerbeam }, { 259cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_NV12, 260cd98e85aSSteve Longerbeam .bpp = 12, 261cd98e85aSSteve Longerbeam .planar = true, 262cd98e85aSSteve Longerbeam .uv_width_dec = 2, 263cd98e85aSSteve Longerbeam .uv_height_dec = 2, 264cd98e85aSSteve Longerbeam .uv_packed = true, 265cd98e85aSSteve Longerbeam }, { 266cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_YUV422P, 267cd98e85aSSteve Longerbeam .bpp = 16, 268cd98e85aSSteve Longerbeam .planar = true, 269cd98e85aSSteve Longerbeam .uv_width_dec = 2, 270cd98e85aSSteve Longerbeam .uv_height_dec = 1, 271cd98e85aSSteve Longerbeam }, { 272cd98e85aSSteve Longerbeam .fourcc = V4L2_PIX_FMT_NV16, 273cd98e85aSSteve Longerbeam .bpp = 16, 274cd98e85aSSteve Longerbeam .planar = true, 275cd98e85aSSteve Longerbeam .uv_width_dec = 2, 276cd98e85aSSteve Longerbeam .uv_height_dec = 1, 277cd98e85aSSteve Longerbeam .uv_packed = true, 278cd98e85aSSteve Longerbeam }, 279cd98e85aSSteve Longerbeam }; 280cd98e85aSSteve Longerbeam 281cd98e85aSSteve Longerbeam static const struct ipu_image_pixfmt *get_format(u32 fourcc) 282cd98e85aSSteve Longerbeam { 283cd98e85aSSteve Longerbeam const struct ipu_image_pixfmt *ret = NULL; 284cd98e85aSSteve Longerbeam unsigned int i; 285cd98e85aSSteve Longerbeam 286cd98e85aSSteve Longerbeam for (i = 0; i < ARRAY_SIZE(image_convert_formats); i++) { 287cd98e85aSSteve Longerbeam if (image_convert_formats[i].fourcc == fourcc) { 288cd98e85aSSteve Longerbeam ret = &image_convert_formats[i]; 289cd98e85aSSteve Longerbeam break; 290cd98e85aSSteve Longerbeam } 291cd98e85aSSteve Longerbeam } 292cd98e85aSSteve Longerbeam 293cd98e85aSSteve Longerbeam return ret; 294cd98e85aSSteve Longerbeam } 295cd98e85aSSteve Longerbeam 296cd98e85aSSteve Longerbeam static void dump_format(struct ipu_image_convert_ctx *ctx, 297cd98e85aSSteve Longerbeam struct ipu_image_convert_image *ic_image) 298cd98e85aSSteve Longerbeam { 299cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 300cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 301cd98e85aSSteve Longerbeam 302cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, 303cd98e85aSSteve Longerbeam "task %u: ctx %p: %s format: %dx%d (%dx%d tiles of size %dx%d), %c%c%c%c\n", 304cd98e85aSSteve Longerbeam chan->ic_task, ctx, 305cd98e85aSSteve Longerbeam ic_image->type == IMAGE_CONVERT_OUT ? "Output" : "Input", 306cd98e85aSSteve Longerbeam ic_image->base.pix.width, ic_image->base.pix.height, 307cd98e85aSSteve Longerbeam ic_image->num_cols, ic_image->num_rows, 308cd98e85aSSteve Longerbeam ic_image->tile[0].width, ic_image->tile[0].height, 309cd98e85aSSteve Longerbeam ic_image->fmt->fourcc & 0xff, 310cd98e85aSSteve Longerbeam (ic_image->fmt->fourcc >> 8) & 0xff, 311cd98e85aSSteve Longerbeam (ic_image->fmt->fourcc >> 16) & 0xff, 312cd98e85aSSteve Longerbeam (ic_image->fmt->fourcc >> 24) & 0xff); 313cd98e85aSSteve Longerbeam } 314cd98e85aSSteve Longerbeam 315cd98e85aSSteve Longerbeam int ipu_image_convert_enum_format(int index, u32 *fourcc) 316cd98e85aSSteve Longerbeam { 317cd98e85aSSteve Longerbeam const struct ipu_image_pixfmt *fmt; 318cd98e85aSSteve Longerbeam 319cd98e85aSSteve Longerbeam if (index >= (int)ARRAY_SIZE(image_convert_formats)) 320cd98e85aSSteve Longerbeam return -EINVAL; 321cd98e85aSSteve Longerbeam 322cd98e85aSSteve Longerbeam /* Format found */ 323cd98e85aSSteve Longerbeam fmt = &image_convert_formats[index]; 324cd98e85aSSteve Longerbeam *fourcc = fmt->fourcc; 325cd98e85aSSteve Longerbeam return 0; 326cd98e85aSSteve Longerbeam } 327cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_enum_format); 328cd98e85aSSteve Longerbeam 329cd98e85aSSteve Longerbeam static void free_dma_buf(struct ipu_image_convert_priv *priv, 330cd98e85aSSteve Longerbeam struct ipu_image_convert_dma_buf *buf) 331cd98e85aSSteve Longerbeam { 332cd98e85aSSteve Longerbeam if (buf->virt) 333cd98e85aSSteve Longerbeam dma_free_coherent(priv->ipu->dev, 334cd98e85aSSteve Longerbeam buf->len, buf->virt, buf->phys); 335cd98e85aSSteve Longerbeam buf->virt = NULL; 336cd98e85aSSteve Longerbeam buf->phys = 0; 337cd98e85aSSteve Longerbeam } 338cd98e85aSSteve Longerbeam 339cd98e85aSSteve Longerbeam static int alloc_dma_buf(struct ipu_image_convert_priv *priv, 340cd98e85aSSteve Longerbeam struct ipu_image_convert_dma_buf *buf, 341cd98e85aSSteve Longerbeam int size) 342cd98e85aSSteve Longerbeam { 343cd98e85aSSteve Longerbeam buf->len = PAGE_ALIGN(size); 344cd98e85aSSteve Longerbeam buf->virt = dma_alloc_coherent(priv->ipu->dev, buf->len, &buf->phys, 345cd98e85aSSteve Longerbeam GFP_DMA | GFP_KERNEL); 346cd98e85aSSteve Longerbeam if (!buf->virt) { 347cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "failed to alloc dma buffer\n"); 348cd98e85aSSteve Longerbeam return -ENOMEM; 349cd98e85aSSteve Longerbeam } 350cd98e85aSSteve Longerbeam 351cd98e85aSSteve Longerbeam return 0; 352cd98e85aSSteve Longerbeam } 353cd98e85aSSteve Longerbeam 354cd98e85aSSteve Longerbeam static inline int num_stripes(int dim) 355cd98e85aSSteve Longerbeam { 356cd98e85aSSteve Longerbeam if (dim <= 1024) 357cd98e85aSSteve Longerbeam return 1; 358cd98e85aSSteve Longerbeam else if (dim <= 2048) 359cd98e85aSSteve Longerbeam return 2; 360cd98e85aSSteve Longerbeam else 361cd98e85aSSteve Longerbeam return 4; 362cd98e85aSSteve Longerbeam } 363cd98e85aSSteve Longerbeam 364cd98e85aSSteve Longerbeam static void calc_tile_dimensions(struct ipu_image_convert_ctx *ctx, 365cd98e85aSSteve Longerbeam struct ipu_image_convert_image *image) 366cd98e85aSSteve Longerbeam { 367cd98e85aSSteve Longerbeam int i; 368cd98e85aSSteve Longerbeam 369cd98e85aSSteve Longerbeam for (i = 0; i < ctx->num_tiles; i++) { 370cd98e85aSSteve Longerbeam struct ipu_image_tile *tile = &image->tile[i]; 371cd98e85aSSteve Longerbeam 372cd98e85aSSteve Longerbeam tile->height = image->base.pix.height / image->num_rows; 373cd98e85aSSteve Longerbeam tile->width = image->base.pix.width / image->num_cols; 374cd98e85aSSteve Longerbeam tile->size = ((tile->height * image->fmt->bpp) >> 3) * 375cd98e85aSSteve Longerbeam tile->width; 376cd98e85aSSteve Longerbeam 377cd98e85aSSteve Longerbeam if (image->fmt->planar) { 378cd98e85aSSteve Longerbeam tile->stride = tile->width; 379cd98e85aSSteve Longerbeam tile->rot_stride = tile->height; 380cd98e85aSSteve Longerbeam } else { 381cd98e85aSSteve Longerbeam tile->stride = 382cd98e85aSSteve Longerbeam (image->fmt->bpp * tile->width) >> 3; 383cd98e85aSSteve Longerbeam tile->rot_stride = 384cd98e85aSSteve Longerbeam (image->fmt->bpp * tile->height) >> 3; 385cd98e85aSSteve Longerbeam } 386cd98e85aSSteve Longerbeam } 387cd98e85aSSteve Longerbeam } 388cd98e85aSSteve Longerbeam 389cd98e85aSSteve Longerbeam /* 390cd98e85aSSteve Longerbeam * Use the rotation transformation to find the tile coordinates 391cd98e85aSSteve Longerbeam * (row, col) of a tile in the destination frame that corresponds 392cd98e85aSSteve Longerbeam * to the given tile coordinates of a source frame. The destination 393cd98e85aSSteve Longerbeam * coordinate is then converted to a tile index. 394cd98e85aSSteve Longerbeam */ 395cd98e85aSSteve Longerbeam static int transform_tile_index(struct ipu_image_convert_ctx *ctx, 396cd98e85aSSteve Longerbeam int src_row, int src_col) 397cd98e85aSSteve Longerbeam { 398cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 399cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 400cd98e85aSSteve Longerbeam struct ipu_image_convert_image *s_image = &ctx->in; 401cd98e85aSSteve Longerbeam struct ipu_image_convert_image *d_image = &ctx->out; 402cd98e85aSSteve Longerbeam int dst_row, dst_col; 403cd98e85aSSteve Longerbeam 404cd98e85aSSteve Longerbeam /* with no rotation it's a 1:1 mapping */ 405cd98e85aSSteve Longerbeam if (ctx->rot_mode == IPU_ROTATE_NONE) 406cd98e85aSSteve Longerbeam return src_row * s_image->num_cols + src_col; 407cd98e85aSSteve Longerbeam 408cd98e85aSSteve Longerbeam /* 409cd98e85aSSteve Longerbeam * before doing the transform, first we have to translate 410cd98e85aSSteve Longerbeam * source row,col for an origin in the center of s_image 411cd98e85aSSteve Longerbeam */ 412cd98e85aSSteve Longerbeam src_row = src_row * 2 - (s_image->num_rows - 1); 413cd98e85aSSteve Longerbeam src_col = src_col * 2 - (s_image->num_cols - 1); 414cd98e85aSSteve Longerbeam 415cd98e85aSSteve Longerbeam /* do the rotation transform */ 416cd98e85aSSteve Longerbeam if (ctx->rot_mode & IPU_ROT_BIT_90) { 417cd98e85aSSteve Longerbeam dst_col = -src_row; 418cd98e85aSSteve Longerbeam dst_row = src_col; 419cd98e85aSSteve Longerbeam } else { 420cd98e85aSSteve Longerbeam dst_col = src_col; 421cd98e85aSSteve Longerbeam dst_row = src_row; 422cd98e85aSSteve Longerbeam } 423cd98e85aSSteve Longerbeam 424cd98e85aSSteve Longerbeam /* apply flip */ 425cd98e85aSSteve Longerbeam if (ctx->rot_mode & IPU_ROT_BIT_HFLIP) 426cd98e85aSSteve Longerbeam dst_col = -dst_col; 427cd98e85aSSteve Longerbeam if (ctx->rot_mode & IPU_ROT_BIT_VFLIP) 428cd98e85aSSteve Longerbeam dst_row = -dst_row; 429cd98e85aSSteve Longerbeam 430cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, "task %u: ctx %p: [%d,%d] --> [%d,%d]\n", 431cd98e85aSSteve Longerbeam chan->ic_task, ctx, src_col, src_row, dst_col, dst_row); 432cd98e85aSSteve Longerbeam 433cd98e85aSSteve Longerbeam /* 434cd98e85aSSteve Longerbeam * finally translate dest row,col using an origin in upper 435cd98e85aSSteve Longerbeam * left of d_image 436cd98e85aSSteve Longerbeam */ 437cd98e85aSSteve Longerbeam dst_row += d_image->num_rows - 1; 438cd98e85aSSteve Longerbeam dst_col += d_image->num_cols - 1; 439cd98e85aSSteve Longerbeam dst_row /= 2; 440cd98e85aSSteve Longerbeam dst_col /= 2; 441cd98e85aSSteve Longerbeam 442cd98e85aSSteve Longerbeam return dst_row * d_image->num_cols + dst_col; 443cd98e85aSSteve Longerbeam } 444cd98e85aSSteve Longerbeam 445cd98e85aSSteve Longerbeam /* 446cd98e85aSSteve Longerbeam * Fill the out_tile_map[] with transformed destination tile indeces. 447cd98e85aSSteve Longerbeam */ 448cd98e85aSSteve Longerbeam static void calc_out_tile_map(struct ipu_image_convert_ctx *ctx) 449cd98e85aSSteve Longerbeam { 450cd98e85aSSteve Longerbeam struct ipu_image_convert_image *s_image = &ctx->in; 451cd98e85aSSteve Longerbeam unsigned int row, col, tile = 0; 452cd98e85aSSteve Longerbeam 453cd98e85aSSteve Longerbeam for (row = 0; row < s_image->num_rows; row++) { 454cd98e85aSSteve Longerbeam for (col = 0; col < s_image->num_cols; col++) { 455cd98e85aSSteve Longerbeam ctx->out_tile_map[tile] = 456cd98e85aSSteve Longerbeam transform_tile_index(ctx, row, col); 457cd98e85aSSteve Longerbeam tile++; 458cd98e85aSSteve Longerbeam } 459cd98e85aSSteve Longerbeam } 460cd98e85aSSteve Longerbeam } 461cd98e85aSSteve Longerbeam 462c4e45658SSteve Longerbeam static int calc_tile_offsets_planar(struct ipu_image_convert_ctx *ctx, 463cd98e85aSSteve Longerbeam struct ipu_image_convert_image *image) 464cd98e85aSSteve Longerbeam { 465cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 466cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 467cd98e85aSSteve Longerbeam const struct ipu_image_pixfmt *fmt = image->fmt; 468cd98e85aSSteve Longerbeam unsigned int row, col, tile = 0; 469cd98e85aSSteve Longerbeam u32 H, w, h, y_stride, uv_stride; 470cd98e85aSSteve Longerbeam u32 uv_row_off, uv_col_off, uv_off, u_off, v_off, tmp; 471cd98e85aSSteve Longerbeam u32 y_row_off, y_col_off, y_off; 472cd98e85aSSteve Longerbeam u32 y_size, uv_size; 473cd98e85aSSteve Longerbeam 474cd98e85aSSteve Longerbeam /* setup some convenience vars */ 475cd98e85aSSteve Longerbeam H = image->base.pix.height; 476cd98e85aSSteve Longerbeam 477cd98e85aSSteve Longerbeam y_stride = image->stride; 478cd98e85aSSteve Longerbeam uv_stride = y_stride / fmt->uv_width_dec; 479cd98e85aSSteve Longerbeam if (fmt->uv_packed) 480cd98e85aSSteve Longerbeam uv_stride *= 2; 481cd98e85aSSteve Longerbeam 482cd98e85aSSteve Longerbeam y_size = H * y_stride; 483cd98e85aSSteve Longerbeam uv_size = y_size / (fmt->uv_width_dec * fmt->uv_height_dec); 484cd98e85aSSteve Longerbeam 485cd98e85aSSteve Longerbeam for (row = 0; row < image->num_rows; row++) { 486cd98e85aSSteve Longerbeam w = image->tile[tile].width; 487cd98e85aSSteve Longerbeam h = image->tile[tile].height; 488cd98e85aSSteve Longerbeam y_row_off = row * h * y_stride; 489cd98e85aSSteve Longerbeam uv_row_off = (row * h * uv_stride) / fmt->uv_height_dec; 490cd98e85aSSteve Longerbeam 491cd98e85aSSteve Longerbeam for (col = 0; col < image->num_cols; col++) { 492cd98e85aSSteve Longerbeam y_col_off = col * w; 493cd98e85aSSteve Longerbeam uv_col_off = y_col_off / fmt->uv_width_dec; 494cd98e85aSSteve Longerbeam if (fmt->uv_packed) 495cd98e85aSSteve Longerbeam uv_col_off *= 2; 496cd98e85aSSteve Longerbeam 497cd98e85aSSteve Longerbeam y_off = y_row_off + y_col_off; 498cd98e85aSSteve Longerbeam uv_off = uv_row_off + uv_col_off; 499cd98e85aSSteve Longerbeam 500cd98e85aSSteve Longerbeam u_off = y_size - y_off + uv_off; 501cd98e85aSSteve Longerbeam v_off = (fmt->uv_packed) ? 0 : u_off + uv_size; 502cd98e85aSSteve Longerbeam if (fmt->uv_swapped) { 503cd98e85aSSteve Longerbeam tmp = u_off; 504cd98e85aSSteve Longerbeam u_off = v_off; 505cd98e85aSSteve Longerbeam v_off = tmp; 506cd98e85aSSteve Longerbeam } 507cd98e85aSSteve Longerbeam 508cd98e85aSSteve Longerbeam image->tile[tile].offset = y_off; 509cd98e85aSSteve Longerbeam image->tile[tile].u_off = u_off; 510cd98e85aSSteve Longerbeam image->tile[tile++].v_off = v_off; 511cd98e85aSSteve Longerbeam 512c4e45658SSteve Longerbeam if ((y_off & 0x7) || (u_off & 0x7) || (v_off & 0x7)) { 513c4e45658SSteve Longerbeam dev_err(priv->ipu->dev, 514c4e45658SSteve Longerbeam "task %u: ctx %p: %s@[%d,%d]: " 515c4e45658SSteve Longerbeam "y_off %08x, u_off %08x, v_off %08x\n", 516cd98e85aSSteve Longerbeam chan->ic_task, ctx, 517cd98e85aSSteve Longerbeam image->type == IMAGE_CONVERT_IN ? 518cd98e85aSSteve Longerbeam "Input" : "Output", row, col, 519cd98e85aSSteve Longerbeam y_off, u_off, v_off); 520c4e45658SSteve Longerbeam return -EINVAL; 521cd98e85aSSteve Longerbeam } 522cd98e85aSSteve Longerbeam } 523cd98e85aSSteve Longerbeam } 524cd98e85aSSteve Longerbeam 525c4e45658SSteve Longerbeam return 0; 526c4e45658SSteve Longerbeam } 527c4e45658SSteve Longerbeam 528c4e45658SSteve Longerbeam static int calc_tile_offsets_packed(struct ipu_image_convert_ctx *ctx, 529cd98e85aSSteve Longerbeam struct ipu_image_convert_image *image) 530cd98e85aSSteve Longerbeam { 531cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 532cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 533cd98e85aSSteve Longerbeam const struct ipu_image_pixfmt *fmt = image->fmt; 534cd98e85aSSteve Longerbeam unsigned int row, col, tile = 0; 535c4e45658SSteve Longerbeam u32 w, h, bpp, stride, offset; 536cd98e85aSSteve Longerbeam u32 row_off, col_off; 537cd98e85aSSteve Longerbeam 538cd98e85aSSteve Longerbeam /* setup some convenience vars */ 539cd98e85aSSteve Longerbeam stride = image->stride; 540cd98e85aSSteve Longerbeam bpp = fmt->bpp; 541cd98e85aSSteve Longerbeam 542cd98e85aSSteve Longerbeam for (row = 0; row < image->num_rows; row++) { 543cd98e85aSSteve Longerbeam w = image->tile[tile].width; 544cd98e85aSSteve Longerbeam h = image->tile[tile].height; 545cd98e85aSSteve Longerbeam row_off = row * h * stride; 546cd98e85aSSteve Longerbeam 547cd98e85aSSteve Longerbeam for (col = 0; col < image->num_cols; col++) { 548cd98e85aSSteve Longerbeam col_off = (col * w * bpp) >> 3; 549cd98e85aSSteve Longerbeam 550c4e45658SSteve Longerbeam offset = row_off + col_off; 551c4e45658SSteve Longerbeam 552c4e45658SSteve Longerbeam image->tile[tile].offset = offset; 553cd98e85aSSteve Longerbeam image->tile[tile].u_off = 0; 554cd98e85aSSteve Longerbeam image->tile[tile++].v_off = 0; 555cd98e85aSSteve Longerbeam 556c4e45658SSteve Longerbeam if (offset & 0x7) { 557c4e45658SSteve Longerbeam dev_err(priv->ipu->dev, 558c4e45658SSteve Longerbeam "task %u: ctx %p: %s@[%d,%d]: " 559c4e45658SSteve Longerbeam "phys %08x\n", 560cd98e85aSSteve Longerbeam chan->ic_task, ctx, 561cd98e85aSSteve Longerbeam image->type == IMAGE_CONVERT_IN ? 562cd98e85aSSteve Longerbeam "Input" : "Output", row, col, 563cd98e85aSSteve Longerbeam row_off + col_off); 564c4e45658SSteve Longerbeam return -EINVAL; 565cd98e85aSSteve Longerbeam } 566cd98e85aSSteve Longerbeam } 567cd98e85aSSteve Longerbeam } 568cd98e85aSSteve Longerbeam 569c4e45658SSteve Longerbeam return 0; 570c4e45658SSteve Longerbeam } 571c4e45658SSteve Longerbeam 572c4e45658SSteve Longerbeam static int calc_tile_offsets(struct ipu_image_convert_ctx *ctx, 573cd98e85aSSteve Longerbeam struct ipu_image_convert_image *image) 574cd98e85aSSteve Longerbeam { 575cd98e85aSSteve Longerbeam if (image->fmt->planar) 576c4e45658SSteve Longerbeam return calc_tile_offsets_planar(ctx, image); 577c4e45658SSteve Longerbeam 578c4e45658SSteve Longerbeam return calc_tile_offsets_packed(ctx, image); 579cd98e85aSSteve Longerbeam } 580cd98e85aSSteve Longerbeam 581cd98e85aSSteve Longerbeam /* 582cd98e85aSSteve Longerbeam * return the number of runs in given queue (pending_q or done_q) 583cd98e85aSSteve Longerbeam * for this context. hold irqlock when calling. 584cd98e85aSSteve Longerbeam */ 585cd98e85aSSteve Longerbeam static int get_run_count(struct ipu_image_convert_ctx *ctx, 586cd98e85aSSteve Longerbeam struct list_head *q) 587cd98e85aSSteve Longerbeam { 588cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run; 589cd98e85aSSteve Longerbeam int count = 0; 590cd98e85aSSteve Longerbeam 591cd98e85aSSteve Longerbeam lockdep_assert_held(&ctx->chan->irqlock); 592cd98e85aSSteve Longerbeam 593cd98e85aSSteve Longerbeam list_for_each_entry(run, q, list) { 594cd98e85aSSteve Longerbeam if (run->ctx == ctx) 595cd98e85aSSteve Longerbeam count++; 596cd98e85aSSteve Longerbeam } 597cd98e85aSSteve Longerbeam 598cd98e85aSSteve Longerbeam return count; 599cd98e85aSSteve Longerbeam } 600cd98e85aSSteve Longerbeam 601cd98e85aSSteve Longerbeam static void convert_stop(struct ipu_image_convert_run *run) 602cd98e85aSSteve Longerbeam { 603cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx = run->ctx; 604cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 605cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 606cd98e85aSSteve Longerbeam 607cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, "%s: task %u: stopping ctx %p run %p\n", 608cd98e85aSSteve Longerbeam __func__, chan->ic_task, ctx, run); 609cd98e85aSSteve Longerbeam 610cd98e85aSSteve Longerbeam /* disable IC tasks and the channels */ 611cd98e85aSSteve Longerbeam ipu_ic_task_disable(chan->ic); 612cd98e85aSSteve Longerbeam ipu_idmac_disable_channel(chan->in_chan); 613cd98e85aSSteve Longerbeam ipu_idmac_disable_channel(chan->out_chan); 614cd98e85aSSteve Longerbeam 615cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 616cd98e85aSSteve Longerbeam ipu_idmac_disable_channel(chan->rotation_in_chan); 617cd98e85aSSteve Longerbeam ipu_idmac_disable_channel(chan->rotation_out_chan); 618cd98e85aSSteve Longerbeam ipu_idmac_unlink(chan->out_chan, chan->rotation_in_chan); 619cd98e85aSSteve Longerbeam } 620cd98e85aSSteve Longerbeam 621cd98e85aSSteve Longerbeam ipu_ic_disable(chan->ic); 622cd98e85aSSteve Longerbeam } 623cd98e85aSSteve Longerbeam 624cd98e85aSSteve Longerbeam static void init_idmac_channel(struct ipu_image_convert_ctx *ctx, 625cd98e85aSSteve Longerbeam struct ipuv3_channel *channel, 626cd98e85aSSteve Longerbeam struct ipu_image_convert_image *image, 627cd98e85aSSteve Longerbeam enum ipu_rotate_mode rot_mode, 628cd98e85aSSteve Longerbeam bool rot_swap_width_height) 629cd98e85aSSteve Longerbeam { 630cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 631cd98e85aSSteve Longerbeam unsigned int burst_size; 632cd98e85aSSteve Longerbeam u32 width, height, stride; 633cd98e85aSSteve Longerbeam dma_addr_t addr0, addr1 = 0; 634cd98e85aSSteve Longerbeam struct ipu_image tile_image; 635cd98e85aSSteve Longerbeam unsigned int tile_idx[2]; 636cd98e85aSSteve Longerbeam 637cd98e85aSSteve Longerbeam if (image->type == IMAGE_CONVERT_OUT) { 638cd98e85aSSteve Longerbeam tile_idx[0] = ctx->out_tile_map[0]; 639cd98e85aSSteve Longerbeam tile_idx[1] = ctx->out_tile_map[1]; 640cd98e85aSSteve Longerbeam } else { 641cd98e85aSSteve Longerbeam tile_idx[0] = 0; 642cd98e85aSSteve Longerbeam tile_idx[1] = 1; 643cd98e85aSSteve Longerbeam } 644cd98e85aSSteve Longerbeam 645cd98e85aSSteve Longerbeam if (rot_swap_width_height) { 646cd98e85aSSteve Longerbeam width = image->tile[0].height; 647cd98e85aSSteve Longerbeam height = image->tile[0].width; 648cd98e85aSSteve Longerbeam stride = image->tile[0].rot_stride; 649cd98e85aSSteve Longerbeam addr0 = ctx->rot_intermediate[0].phys; 650cd98e85aSSteve Longerbeam if (ctx->double_buffering) 651cd98e85aSSteve Longerbeam addr1 = ctx->rot_intermediate[1].phys; 652cd98e85aSSteve Longerbeam } else { 653cd98e85aSSteve Longerbeam width = image->tile[0].width; 654cd98e85aSSteve Longerbeam height = image->tile[0].height; 655cd98e85aSSteve Longerbeam stride = image->stride; 656cd98e85aSSteve Longerbeam addr0 = image->base.phys0 + 657cd98e85aSSteve Longerbeam image->tile[tile_idx[0]].offset; 658cd98e85aSSteve Longerbeam if (ctx->double_buffering) 659cd98e85aSSteve Longerbeam addr1 = image->base.phys0 + 660cd98e85aSSteve Longerbeam image->tile[tile_idx[1]].offset; 661cd98e85aSSteve Longerbeam } 662cd98e85aSSteve Longerbeam 663cd98e85aSSteve Longerbeam ipu_cpmem_zero(channel); 664cd98e85aSSteve Longerbeam 665cd98e85aSSteve Longerbeam memset(&tile_image, 0, sizeof(tile_image)); 666cd98e85aSSteve Longerbeam tile_image.pix.width = tile_image.rect.width = width; 667cd98e85aSSteve Longerbeam tile_image.pix.height = tile_image.rect.height = height; 668cd98e85aSSteve Longerbeam tile_image.pix.bytesperline = stride; 669cd98e85aSSteve Longerbeam tile_image.pix.pixelformat = image->fmt->fourcc; 670cd98e85aSSteve Longerbeam tile_image.phys0 = addr0; 671cd98e85aSSteve Longerbeam tile_image.phys1 = addr1; 672dec408fdSSteve Longerbeam if (image->fmt->planar && !rot_swap_width_height) { 673dec408fdSSteve Longerbeam tile_image.u_offset = image->tile[tile_idx[0]].u_off; 674dec408fdSSteve Longerbeam tile_image.v_offset = image->tile[tile_idx[0]].v_off; 675dec408fdSSteve Longerbeam } 676cd98e85aSSteve Longerbeam 677dec408fdSSteve Longerbeam ipu_cpmem_set_image(channel, &tile_image); 678cd98e85aSSteve Longerbeam 679cd98e85aSSteve Longerbeam if (rot_mode) 680cd98e85aSSteve Longerbeam ipu_cpmem_set_rotation(channel, rot_mode); 681cd98e85aSSteve Longerbeam 682cd98e85aSSteve Longerbeam if (channel == chan->rotation_in_chan || 683cd98e85aSSteve Longerbeam channel == chan->rotation_out_chan) { 684cd98e85aSSteve Longerbeam burst_size = 8; 685cd98e85aSSteve Longerbeam ipu_cpmem_set_block_mode(channel); 686cd98e85aSSteve Longerbeam } else 687cd98e85aSSteve Longerbeam burst_size = (width % 16) ? 8 : 16; 688cd98e85aSSteve Longerbeam 689cd98e85aSSteve Longerbeam ipu_cpmem_set_burstsize(channel, burst_size); 690cd98e85aSSteve Longerbeam 691cd98e85aSSteve Longerbeam ipu_ic_task_idma_init(chan->ic, channel, width, height, 692cd98e85aSSteve Longerbeam burst_size, rot_mode); 693cd98e85aSSteve Longerbeam 694320a89adSLucas Stach /* 695320a89adSLucas Stach * Setting a non-zero AXI ID collides with the PRG AXI snooping, so 696320a89adSLucas Stach * only do this when there is no PRG present. 697320a89adSLucas Stach */ 698320a89adSLucas Stach if (!channel->ipu->prg_priv) 699cd98e85aSSteve Longerbeam ipu_cpmem_set_axi_id(channel, 1); 700cd98e85aSSteve Longerbeam 701cd98e85aSSteve Longerbeam ipu_idmac_set_double_buffer(channel, ctx->double_buffering); 702cd98e85aSSteve Longerbeam } 703cd98e85aSSteve Longerbeam 704cd98e85aSSteve Longerbeam static int convert_start(struct ipu_image_convert_run *run) 705cd98e85aSSteve Longerbeam { 706cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx = run->ctx; 707cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 708cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 709cd98e85aSSteve Longerbeam struct ipu_image_convert_image *s_image = &ctx->in; 710cd98e85aSSteve Longerbeam struct ipu_image_convert_image *d_image = &ctx->out; 711cd98e85aSSteve Longerbeam enum ipu_color_space src_cs, dest_cs; 712cd98e85aSSteve Longerbeam unsigned int dest_width, dest_height; 713cd98e85aSSteve Longerbeam int ret; 714cd98e85aSSteve Longerbeam 715cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, "%s: task %u: starting ctx %p run %p\n", 716cd98e85aSSteve Longerbeam __func__, chan->ic_task, ctx, run); 717cd98e85aSSteve Longerbeam 718cd98e85aSSteve Longerbeam src_cs = ipu_pixelformat_to_colorspace(s_image->fmt->fourcc); 719cd98e85aSSteve Longerbeam dest_cs = ipu_pixelformat_to_colorspace(d_image->fmt->fourcc); 720cd98e85aSSteve Longerbeam 721cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 722cd98e85aSSteve Longerbeam /* swap width/height for resizer */ 723cd98e85aSSteve Longerbeam dest_width = d_image->tile[0].height; 724cd98e85aSSteve Longerbeam dest_height = d_image->tile[0].width; 725cd98e85aSSteve Longerbeam } else { 726cd98e85aSSteve Longerbeam dest_width = d_image->tile[0].width; 727cd98e85aSSteve Longerbeam dest_height = d_image->tile[0].height; 728cd98e85aSSteve Longerbeam } 729cd98e85aSSteve Longerbeam 730cd98e85aSSteve Longerbeam /* setup the IC resizer and CSC */ 731cd98e85aSSteve Longerbeam ret = ipu_ic_task_init(chan->ic, 732cd98e85aSSteve Longerbeam s_image->tile[0].width, 733cd98e85aSSteve Longerbeam s_image->tile[0].height, 734cd98e85aSSteve Longerbeam dest_width, 735cd98e85aSSteve Longerbeam dest_height, 736cd98e85aSSteve Longerbeam src_cs, dest_cs); 737cd98e85aSSteve Longerbeam if (ret) { 738cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "ipu_ic_task_init failed, %d\n", ret); 739cd98e85aSSteve Longerbeam return ret; 740cd98e85aSSteve Longerbeam } 741cd98e85aSSteve Longerbeam 742cd98e85aSSteve Longerbeam /* init the source MEM-->IC PP IDMAC channel */ 743cd98e85aSSteve Longerbeam init_idmac_channel(ctx, chan->in_chan, s_image, 744cd98e85aSSteve Longerbeam IPU_ROTATE_NONE, false); 745cd98e85aSSteve Longerbeam 746cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 747cd98e85aSSteve Longerbeam /* init the IC PP-->MEM IDMAC channel */ 748cd98e85aSSteve Longerbeam init_idmac_channel(ctx, chan->out_chan, d_image, 749cd98e85aSSteve Longerbeam IPU_ROTATE_NONE, true); 750cd98e85aSSteve Longerbeam 751cd98e85aSSteve Longerbeam /* init the MEM-->IC PP ROT IDMAC channel */ 752cd98e85aSSteve Longerbeam init_idmac_channel(ctx, chan->rotation_in_chan, d_image, 753cd98e85aSSteve Longerbeam ctx->rot_mode, true); 754cd98e85aSSteve Longerbeam 755cd98e85aSSteve Longerbeam /* init the destination IC PP ROT-->MEM IDMAC channel */ 756cd98e85aSSteve Longerbeam init_idmac_channel(ctx, chan->rotation_out_chan, d_image, 757cd98e85aSSteve Longerbeam IPU_ROTATE_NONE, false); 758cd98e85aSSteve Longerbeam 759cd98e85aSSteve Longerbeam /* now link IC PP-->MEM to MEM-->IC PP ROT */ 760cd98e85aSSteve Longerbeam ipu_idmac_link(chan->out_chan, chan->rotation_in_chan); 761cd98e85aSSteve Longerbeam } else { 762cd98e85aSSteve Longerbeam /* init the destination IC PP-->MEM IDMAC channel */ 763cd98e85aSSteve Longerbeam init_idmac_channel(ctx, chan->out_chan, d_image, 764cd98e85aSSteve Longerbeam ctx->rot_mode, false); 765cd98e85aSSteve Longerbeam } 766cd98e85aSSteve Longerbeam 767cd98e85aSSteve Longerbeam /* enable the IC */ 768cd98e85aSSteve Longerbeam ipu_ic_enable(chan->ic); 769cd98e85aSSteve Longerbeam 770cd98e85aSSteve Longerbeam /* set buffers ready */ 771cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->in_chan, 0); 772cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->out_chan, 0); 773cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) 774cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->rotation_out_chan, 0); 775cd98e85aSSteve Longerbeam if (ctx->double_buffering) { 776cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->in_chan, 1); 777cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->out_chan, 1); 778cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) 779cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->rotation_out_chan, 1); 780cd98e85aSSteve Longerbeam } 781cd98e85aSSteve Longerbeam 782cd98e85aSSteve Longerbeam /* enable the channels! */ 783cd98e85aSSteve Longerbeam ipu_idmac_enable_channel(chan->in_chan); 784cd98e85aSSteve Longerbeam ipu_idmac_enable_channel(chan->out_chan); 785cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 786cd98e85aSSteve Longerbeam ipu_idmac_enable_channel(chan->rotation_in_chan); 787cd98e85aSSteve Longerbeam ipu_idmac_enable_channel(chan->rotation_out_chan); 788cd98e85aSSteve Longerbeam } 789cd98e85aSSteve Longerbeam 790cd98e85aSSteve Longerbeam ipu_ic_task_enable(chan->ic); 791cd98e85aSSteve Longerbeam 792cd98e85aSSteve Longerbeam ipu_cpmem_dump(chan->in_chan); 793cd98e85aSSteve Longerbeam ipu_cpmem_dump(chan->out_chan); 794cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 795cd98e85aSSteve Longerbeam ipu_cpmem_dump(chan->rotation_in_chan); 796cd98e85aSSteve Longerbeam ipu_cpmem_dump(chan->rotation_out_chan); 797cd98e85aSSteve Longerbeam } 798cd98e85aSSteve Longerbeam 799cd98e85aSSteve Longerbeam ipu_dump(priv->ipu); 800cd98e85aSSteve Longerbeam 801cd98e85aSSteve Longerbeam return 0; 802cd98e85aSSteve Longerbeam } 803cd98e85aSSteve Longerbeam 804cd98e85aSSteve Longerbeam /* hold irqlock when calling */ 805cd98e85aSSteve Longerbeam static int do_run(struct ipu_image_convert_run *run) 806cd98e85aSSteve Longerbeam { 807cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx = run->ctx; 808cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 809cd98e85aSSteve Longerbeam 810cd98e85aSSteve Longerbeam lockdep_assert_held(&chan->irqlock); 811cd98e85aSSteve Longerbeam 812cd98e85aSSteve Longerbeam ctx->in.base.phys0 = run->in_phys; 813cd98e85aSSteve Longerbeam ctx->out.base.phys0 = run->out_phys; 814cd98e85aSSteve Longerbeam 815cd98e85aSSteve Longerbeam ctx->cur_buf_num = 0; 816cd98e85aSSteve Longerbeam ctx->next_tile = 1; 817cd98e85aSSteve Longerbeam 818cd98e85aSSteve Longerbeam /* remove run from pending_q and set as current */ 819cd98e85aSSteve Longerbeam list_del(&run->list); 820cd98e85aSSteve Longerbeam chan->current_run = run; 821cd98e85aSSteve Longerbeam 822cd98e85aSSteve Longerbeam return convert_start(run); 823cd98e85aSSteve Longerbeam } 824cd98e85aSSteve Longerbeam 825cd98e85aSSteve Longerbeam /* hold irqlock when calling */ 826cd98e85aSSteve Longerbeam static void run_next(struct ipu_image_convert_chan *chan) 827cd98e85aSSteve Longerbeam { 828cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 829cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run, *tmp; 830cd98e85aSSteve Longerbeam int ret; 831cd98e85aSSteve Longerbeam 832cd98e85aSSteve Longerbeam lockdep_assert_held(&chan->irqlock); 833cd98e85aSSteve Longerbeam 834cd98e85aSSteve Longerbeam list_for_each_entry_safe(run, tmp, &chan->pending_q, list) { 835cd98e85aSSteve Longerbeam /* skip contexts that are aborting */ 836cd98e85aSSteve Longerbeam if (run->ctx->aborting) { 837cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, 838cd98e85aSSteve Longerbeam "%s: task %u: skipping aborting ctx %p run %p\n", 839cd98e85aSSteve Longerbeam __func__, chan->ic_task, run->ctx, run); 840cd98e85aSSteve Longerbeam continue; 841cd98e85aSSteve Longerbeam } 842cd98e85aSSteve Longerbeam 843cd98e85aSSteve Longerbeam ret = do_run(run); 844cd98e85aSSteve Longerbeam if (!ret) 845cd98e85aSSteve Longerbeam break; 846cd98e85aSSteve Longerbeam 847cd98e85aSSteve Longerbeam /* 848cd98e85aSSteve Longerbeam * something went wrong with start, add the run 849cd98e85aSSteve Longerbeam * to done q and continue to the next run in the 850cd98e85aSSteve Longerbeam * pending q. 851cd98e85aSSteve Longerbeam */ 852cd98e85aSSteve Longerbeam run->status = ret; 853cd98e85aSSteve Longerbeam list_add_tail(&run->list, &chan->done_q); 854cd98e85aSSteve Longerbeam chan->current_run = NULL; 855cd98e85aSSteve Longerbeam } 856cd98e85aSSteve Longerbeam } 857cd98e85aSSteve Longerbeam 858cd98e85aSSteve Longerbeam static void empty_done_q(struct ipu_image_convert_chan *chan) 859cd98e85aSSteve Longerbeam { 860cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 861cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run; 862cd98e85aSSteve Longerbeam unsigned long flags; 863cd98e85aSSteve Longerbeam 864cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 865cd98e85aSSteve Longerbeam 866cd98e85aSSteve Longerbeam while (!list_empty(&chan->done_q)) { 867cd98e85aSSteve Longerbeam run = list_entry(chan->done_q.next, 868cd98e85aSSteve Longerbeam struct ipu_image_convert_run, 869cd98e85aSSteve Longerbeam list); 870cd98e85aSSteve Longerbeam 871cd98e85aSSteve Longerbeam list_del(&run->list); 872cd98e85aSSteve Longerbeam 873cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, 874cd98e85aSSteve Longerbeam "%s: task %u: completing ctx %p run %p with %d\n", 875cd98e85aSSteve Longerbeam __func__, chan->ic_task, run->ctx, run, run->status); 876cd98e85aSSteve Longerbeam 877cd98e85aSSteve Longerbeam /* call the completion callback and free the run */ 878cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 879cd98e85aSSteve Longerbeam run->ctx->complete(run, run->ctx->complete_context); 880cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 881cd98e85aSSteve Longerbeam } 882cd98e85aSSteve Longerbeam 883cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 884cd98e85aSSteve Longerbeam } 885cd98e85aSSteve Longerbeam 886cd98e85aSSteve Longerbeam /* 887cd98e85aSSteve Longerbeam * the bottom half thread clears out the done_q, calling the 888cd98e85aSSteve Longerbeam * completion handler for each. 889cd98e85aSSteve Longerbeam */ 890cd98e85aSSteve Longerbeam static irqreturn_t do_bh(int irq, void *dev_id) 891cd98e85aSSteve Longerbeam { 892cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = dev_id; 893cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 894cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx; 895cd98e85aSSteve Longerbeam unsigned long flags; 896cd98e85aSSteve Longerbeam 897cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, "%s: task %u: enter\n", __func__, 898cd98e85aSSteve Longerbeam chan->ic_task); 899cd98e85aSSteve Longerbeam 900cd98e85aSSteve Longerbeam empty_done_q(chan); 901cd98e85aSSteve Longerbeam 902cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 903cd98e85aSSteve Longerbeam 904cd98e85aSSteve Longerbeam /* 905cd98e85aSSteve Longerbeam * the done_q is cleared out, signal any contexts 906cd98e85aSSteve Longerbeam * that are aborting that abort can complete. 907cd98e85aSSteve Longerbeam */ 908cd98e85aSSteve Longerbeam list_for_each_entry(ctx, &chan->ctx_list, list) { 909cd98e85aSSteve Longerbeam if (ctx->aborting) { 910cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, 911cd98e85aSSteve Longerbeam "%s: task %u: signaling abort for ctx %p\n", 912cd98e85aSSteve Longerbeam __func__, chan->ic_task, ctx); 913aa60b261SSteve Longerbeam complete_all(&ctx->aborted); 914cd98e85aSSteve Longerbeam } 915cd98e85aSSteve Longerbeam } 916cd98e85aSSteve Longerbeam 917cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 918cd98e85aSSteve Longerbeam 919cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, "%s: task %u: exit\n", __func__, 920cd98e85aSSteve Longerbeam chan->ic_task); 921cd98e85aSSteve Longerbeam 922cd98e85aSSteve Longerbeam return IRQ_HANDLED; 923cd98e85aSSteve Longerbeam } 924cd98e85aSSteve Longerbeam 925cd98e85aSSteve Longerbeam /* hold irqlock when calling */ 926cd98e85aSSteve Longerbeam static irqreturn_t do_irq(struct ipu_image_convert_run *run) 927cd98e85aSSteve Longerbeam { 928cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx = run->ctx; 929cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 930cd98e85aSSteve Longerbeam struct ipu_image_tile *src_tile, *dst_tile; 931cd98e85aSSteve Longerbeam struct ipu_image_convert_image *s_image = &ctx->in; 932cd98e85aSSteve Longerbeam struct ipu_image_convert_image *d_image = &ctx->out; 933cd98e85aSSteve Longerbeam struct ipuv3_channel *outch; 934cd98e85aSSteve Longerbeam unsigned int dst_idx; 935cd98e85aSSteve Longerbeam 936cd98e85aSSteve Longerbeam lockdep_assert_held(&chan->irqlock); 937cd98e85aSSteve Longerbeam 938cd98e85aSSteve Longerbeam outch = ipu_rot_mode_is_irt(ctx->rot_mode) ? 939cd98e85aSSteve Longerbeam chan->rotation_out_chan : chan->out_chan; 940cd98e85aSSteve Longerbeam 941cd98e85aSSteve Longerbeam /* 942cd98e85aSSteve Longerbeam * It is difficult to stop the channel DMA before the channels 943cd98e85aSSteve Longerbeam * enter the paused state. Without double-buffering the channels 944cd98e85aSSteve Longerbeam * are always in a paused state when the EOF irq occurs, so it 945cd98e85aSSteve Longerbeam * is safe to stop the channels now. For double-buffering we 946cd98e85aSSteve Longerbeam * just ignore the abort until the operation completes, when it 947cd98e85aSSteve Longerbeam * is safe to shut down. 948cd98e85aSSteve Longerbeam */ 949cd98e85aSSteve Longerbeam if (ctx->aborting && !ctx->double_buffering) { 950cd98e85aSSteve Longerbeam convert_stop(run); 951cd98e85aSSteve Longerbeam run->status = -EIO; 952cd98e85aSSteve Longerbeam goto done; 953cd98e85aSSteve Longerbeam } 954cd98e85aSSteve Longerbeam 955cd98e85aSSteve Longerbeam if (ctx->next_tile == ctx->num_tiles) { 956cd98e85aSSteve Longerbeam /* 957cd98e85aSSteve Longerbeam * the conversion is complete 958cd98e85aSSteve Longerbeam */ 959cd98e85aSSteve Longerbeam convert_stop(run); 960cd98e85aSSteve Longerbeam run->status = 0; 961cd98e85aSSteve Longerbeam goto done; 962cd98e85aSSteve Longerbeam } 963cd98e85aSSteve Longerbeam 964cd98e85aSSteve Longerbeam /* 965cd98e85aSSteve Longerbeam * not done, place the next tile buffers. 966cd98e85aSSteve Longerbeam */ 967cd98e85aSSteve Longerbeam if (!ctx->double_buffering) { 968cd98e85aSSteve Longerbeam 969cd98e85aSSteve Longerbeam src_tile = &s_image->tile[ctx->next_tile]; 970cd98e85aSSteve Longerbeam dst_idx = ctx->out_tile_map[ctx->next_tile]; 971cd98e85aSSteve Longerbeam dst_tile = &d_image->tile[dst_idx]; 972cd98e85aSSteve Longerbeam 973cd98e85aSSteve Longerbeam ipu_cpmem_set_buffer(chan->in_chan, 0, 974cd98e85aSSteve Longerbeam s_image->base.phys0 + src_tile->offset); 975cd98e85aSSteve Longerbeam ipu_cpmem_set_buffer(outch, 0, 976cd98e85aSSteve Longerbeam d_image->base.phys0 + dst_tile->offset); 977cd98e85aSSteve Longerbeam if (s_image->fmt->planar) 978cd98e85aSSteve Longerbeam ipu_cpmem_set_uv_offset(chan->in_chan, 979cd98e85aSSteve Longerbeam src_tile->u_off, 980cd98e85aSSteve Longerbeam src_tile->v_off); 981cd98e85aSSteve Longerbeam if (d_image->fmt->planar) 982cd98e85aSSteve Longerbeam ipu_cpmem_set_uv_offset(outch, 983cd98e85aSSteve Longerbeam dst_tile->u_off, 984cd98e85aSSteve Longerbeam dst_tile->v_off); 985cd98e85aSSteve Longerbeam 986cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->in_chan, 0); 987cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(outch, 0); 988cd98e85aSSteve Longerbeam 989cd98e85aSSteve Longerbeam } else if (ctx->next_tile < ctx->num_tiles - 1) { 990cd98e85aSSteve Longerbeam 991cd98e85aSSteve Longerbeam src_tile = &s_image->tile[ctx->next_tile + 1]; 992cd98e85aSSteve Longerbeam dst_idx = ctx->out_tile_map[ctx->next_tile + 1]; 993cd98e85aSSteve Longerbeam dst_tile = &d_image->tile[dst_idx]; 994cd98e85aSSteve Longerbeam 995cd98e85aSSteve Longerbeam ipu_cpmem_set_buffer(chan->in_chan, ctx->cur_buf_num, 996cd98e85aSSteve Longerbeam s_image->base.phys0 + src_tile->offset); 997cd98e85aSSteve Longerbeam ipu_cpmem_set_buffer(outch, ctx->cur_buf_num, 998cd98e85aSSteve Longerbeam d_image->base.phys0 + dst_tile->offset); 999cd98e85aSSteve Longerbeam 1000cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(chan->in_chan, ctx->cur_buf_num); 1001cd98e85aSSteve Longerbeam ipu_idmac_select_buffer(outch, ctx->cur_buf_num); 1002cd98e85aSSteve Longerbeam 1003cd98e85aSSteve Longerbeam ctx->cur_buf_num ^= 1; 1004cd98e85aSSteve Longerbeam } 1005cd98e85aSSteve Longerbeam 1006cd98e85aSSteve Longerbeam ctx->next_tile++; 1007cd98e85aSSteve Longerbeam return IRQ_HANDLED; 1008cd98e85aSSteve Longerbeam done: 1009cd98e85aSSteve Longerbeam list_add_tail(&run->list, &chan->done_q); 1010cd98e85aSSteve Longerbeam chan->current_run = NULL; 1011cd98e85aSSteve Longerbeam run_next(chan); 1012cd98e85aSSteve Longerbeam return IRQ_WAKE_THREAD; 1013cd98e85aSSteve Longerbeam } 1014cd98e85aSSteve Longerbeam 1015cd98e85aSSteve Longerbeam static irqreturn_t norotate_irq(int irq, void *data) 1016cd98e85aSSteve Longerbeam { 1017cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = data; 1018cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx; 1019cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run; 1020cd98e85aSSteve Longerbeam unsigned long flags; 1021cd98e85aSSteve Longerbeam irqreturn_t ret; 1022cd98e85aSSteve Longerbeam 1023cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 1024cd98e85aSSteve Longerbeam 1025cd98e85aSSteve Longerbeam /* get current run and its context */ 1026cd98e85aSSteve Longerbeam run = chan->current_run; 1027cd98e85aSSteve Longerbeam if (!run) { 1028cd98e85aSSteve Longerbeam ret = IRQ_NONE; 1029cd98e85aSSteve Longerbeam goto out; 1030cd98e85aSSteve Longerbeam } 1031cd98e85aSSteve Longerbeam 1032cd98e85aSSteve Longerbeam ctx = run->ctx; 1033cd98e85aSSteve Longerbeam 1034cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 1035cd98e85aSSteve Longerbeam /* this is a rotation operation, just ignore */ 1036cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1037cd98e85aSSteve Longerbeam return IRQ_HANDLED; 1038cd98e85aSSteve Longerbeam } 1039cd98e85aSSteve Longerbeam 1040cd98e85aSSteve Longerbeam ret = do_irq(run); 1041cd98e85aSSteve Longerbeam out: 1042cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1043cd98e85aSSteve Longerbeam return ret; 1044cd98e85aSSteve Longerbeam } 1045cd98e85aSSteve Longerbeam 1046cd98e85aSSteve Longerbeam static irqreturn_t rotate_irq(int irq, void *data) 1047cd98e85aSSteve Longerbeam { 1048cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = data; 1049cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 1050cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx; 1051cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run; 1052cd98e85aSSteve Longerbeam unsigned long flags; 1053cd98e85aSSteve Longerbeam irqreturn_t ret; 1054cd98e85aSSteve Longerbeam 1055cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 1056cd98e85aSSteve Longerbeam 1057cd98e85aSSteve Longerbeam /* get current run and its context */ 1058cd98e85aSSteve Longerbeam run = chan->current_run; 1059cd98e85aSSteve Longerbeam if (!run) { 1060cd98e85aSSteve Longerbeam ret = IRQ_NONE; 1061cd98e85aSSteve Longerbeam goto out; 1062cd98e85aSSteve Longerbeam } 1063cd98e85aSSteve Longerbeam 1064cd98e85aSSteve Longerbeam ctx = run->ctx; 1065cd98e85aSSteve Longerbeam 1066cd98e85aSSteve Longerbeam if (!ipu_rot_mode_is_irt(ctx->rot_mode)) { 1067cd98e85aSSteve Longerbeam /* this was NOT a rotation operation, shouldn't happen */ 1068cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "Unexpected rotation interrupt\n"); 1069cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1070cd98e85aSSteve Longerbeam return IRQ_HANDLED; 1071cd98e85aSSteve Longerbeam } 1072cd98e85aSSteve Longerbeam 1073cd98e85aSSteve Longerbeam ret = do_irq(run); 1074cd98e85aSSteve Longerbeam out: 1075cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1076cd98e85aSSteve Longerbeam return ret; 1077cd98e85aSSteve Longerbeam } 1078cd98e85aSSteve Longerbeam 1079cd98e85aSSteve Longerbeam /* 1080cd98e85aSSteve Longerbeam * try to force the completion of runs for this ctx. Called when 1081cd98e85aSSteve Longerbeam * abort wait times out in ipu_image_convert_abort(). 1082cd98e85aSSteve Longerbeam */ 1083cd98e85aSSteve Longerbeam static void force_abort(struct ipu_image_convert_ctx *ctx) 1084cd98e85aSSteve Longerbeam { 1085cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 1086cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run; 1087cd98e85aSSteve Longerbeam unsigned long flags; 1088cd98e85aSSteve Longerbeam 1089cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 1090cd98e85aSSteve Longerbeam 1091cd98e85aSSteve Longerbeam run = chan->current_run; 1092cd98e85aSSteve Longerbeam if (run && run->ctx == ctx) { 1093cd98e85aSSteve Longerbeam convert_stop(run); 1094cd98e85aSSteve Longerbeam run->status = -EIO; 1095cd98e85aSSteve Longerbeam list_add_tail(&run->list, &chan->done_q); 1096cd98e85aSSteve Longerbeam chan->current_run = NULL; 1097cd98e85aSSteve Longerbeam run_next(chan); 1098cd98e85aSSteve Longerbeam } 1099cd98e85aSSteve Longerbeam 1100cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1101cd98e85aSSteve Longerbeam 1102cd98e85aSSteve Longerbeam empty_done_q(chan); 1103cd98e85aSSteve Longerbeam } 1104cd98e85aSSteve Longerbeam 1105cd98e85aSSteve Longerbeam static void release_ipu_resources(struct ipu_image_convert_chan *chan) 1106cd98e85aSSteve Longerbeam { 1107cd98e85aSSteve Longerbeam if (chan->out_eof_irq >= 0) 1108cd98e85aSSteve Longerbeam free_irq(chan->out_eof_irq, chan); 1109cd98e85aSSteve Longerbeam if (chan->rot_out_eof_irq >= 0) 1110cd98e85aSSteve Longerbeam free_irq(chan->rot_out_eof_irq, chan); 1111cd98e85aSSteve Longerbeam 1112cd98e85aSSteve Longerbeam if (!IS_ERR_OR_NULL(chan->in_chan)) 1113cd98e85aSSteve Longerbeam ipu_idmac_put(chan->in_chan); 1114cd98e85aSSteve Longerbeam if (!IS_ERR_OR_NULL(chan->out_chan)) 1115cd98e85aSSteve Longerbeam ipu_idmac_put(chan->out_chan); 1116cd98e85aSSteve Longerbeam if (!IS_ERR_OR_NULL(chan->rotation_in_chan)) 1117cd98e85aSSteve Longerbeam ipu_idmac_put(chan->rotation_in_chan); 1118cd98e85aSSteve Longerbeam if (!IS_ERR_OR_NULL(chan->rotation_out_chan)) 1119cd98e85aSSteve Longerbeam ipu_idmac_put(chan->rotation_out_chan); 1120cd98e85aSSteve Longerbeam if (!IS_ERR_OR_NULL(chan->ic)) 1121cd98e85aSSteve Longerbeam ipu_ic_put(chan->ic); 1122cd98e85aSSteve Longerbeam 1123cd98e85aSSteve Longerbeam chan->in_chan = chan->out_chan = chan->rotation_in_chan = 1124cd98e85aSSteve Longerbeam chan->rotation_out_chan = NULL; 1125cd98e85aSSteve Longerbeam chan->out_eof_irq = chan->rot_out_eof_irq = -1; 1126cd98e85aSSteve Longerbeam } 1127cd98e85aSSteve Longerbeam 1128cd98e85aSSteve Longerbeam static int get_ipu_resources(struct ipu_image_convert_chan *chan) 1129cd98e85aSSteve Longerbeam { 1130cd98e85aSSteve Longerbeam const struct ipu_image_convert_dma_chan *dma = chan->dma_ch; 1131cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 1132cd98e85aSSteve Longerbeam int ret; 1133cd98e85aSSteve Longerbeam 1134cd98e85aSSteve Longerbeam /* get IC */ 1135cd98e85aSSteve Longerbeam chan->ic = ipu_ic_get(priv->ipu, chan->ic_task); 1136cd98e85aSSteve Longerbeam if (IS_ERR(chan->ic)) { 1137cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "could not acquire IC\n"); 1138cd98e85aSSteve Longerbeam ret = PTR_ERR(chan->ic); 1139cd98e85aSSteve Longerbeam goto err; 1140cd98e85aSSteve Longerbeam } 1141cd98e85aSSteve Longerbeam 1142cd98e85aSSteve Longerbeam /* get IDMAC channels */ 1143cd98e85aSSteve Longerbeam chan->in_chan = ipu_idmac_get(priv->ipu, dma->in); 1144cd98e85aSSteve Longerbeam chan->out_chan = ipu_idmac_get(priv->ipu, dma->out); 1145cd98e85aSSteve Longerbeam if (IS_ERR(chan->in_chan) || IS_ERR(chan->out_chan)) { 1146cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "could not acquire idmac channels\n"); 1147cd98e85aSSteve Longerbeam ret = -EBUSY; 1148cd98e85aSSteve Longerbeam goto err; 1149cd98e85aSSteve Longerbeam } 1150cd98e85aSSteve Longerbeam 1151cd98e85aSSteve Longerbeam chan->rotation_in_chan = ipu_idmac_get(priv->ipu, dma->rot_in); 1152cd98e85aSSteve Longerbeam chan->rotation_out_chan = ipu_idmac_get(priv->ipu, dma->rot_out); 1153cd98e85aSSteve Longerbeam if (IS_ERR(chan->rotation_in_chan) || IS_ERR(chan->rotation_out_chan)) { 1154cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, 1155cd98e85aSSteve Longerbeam "could not acquire idmac rotation channels\n"); 1156cd98e85aSSteve Longerbeam ret = -EBUSY; 1157cd98e85aSSteve Longerbeam goto err; 1158cd98e85aSSteve Longerbeam } 1159cd98e85aSSteve Longerbeam 1160cd98e85aSSteve Longerbeam /* acquire the EOF interrupts */ 1161cd98e85aSSteve Longerbeam chan->out_eof_irq = ipu_idmac_channel_irq(priv->ipu, 1162cd98e85aSSteve Longerbeam chan->out_chan, 1163cd98e85aSSteve Longerbeam IPU_IRQ_EOF); 1164cd98e85aSSteve Longerbeam 1165cd98e85aSSteve Longerbeam ret = request_threaded_irq(chan->out_eof_irq, norotate_irq, do_bh, 1166cd98e85aSSteve Longerbeam 0, "ipu-ic", chan); 1167cd98e85aSSteve Longerbeam if (ret < 0) { 1168cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "could not acquire irq %d\n", 1169cd98e85aSSteve Longerbeam chan->out_eof_irq); 1170cd98e85aSSteve Longerbeam chan->out_eof_irq = -1; 1171cd98e85aSSteve Longerbeam goto err; 1172cd98e85aSSteve Longerbeam } 1173cd98e85aSSteve Longerbeam 1174cd98e85aSSteve Longerbeam chan->rot_out_eof_irq = ipu_idmac_channel_irq(priv->ipu, 1175cd98e85aSSteve Longerbeam chan->rotation_out_chan, 1176cd98e85aSSteve Longerbeam IPU_IRQ_EOF); 1177cd98e85aSSteve Longerbeam 1178cd98e85aSSteve Longerbeam ret = request_threaded_irq(chan->rot_out_eof_irq, rotate_irq, do_bh, 1179cd98e85aSSteve Longerbeam 0, "ipu-ic", chan); 1180cd98e85aSSteve Longerbeam if (ret < 0) { 1181cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "could not acquire irq %d\n", 1182cd98e85aSSteve Longerbeam chan->rot_out_eof_irq); 1183cd98e85aSSteve Longerbeam chan->rot_out_eof_irq = -1; 1184cd98e85aSSteve Longerbeam goto err; 1185cd98e85aSSteve Longerbeam } 1186cd98e85aSSteve Longerbeam 1187cd98e85aSSteve Longerbeam return 0; 1188cd98e85aSSteve Longerbeam err: 1189cd98e85aSSteve Longerbeam release_ipu_resources(chan); 1190cd98e85aSSteve Longerbeam return ret; 1191cd98e85aSSteve Longerbeam } 1192cd98e85aSSteve Longerbeam 1193cd98e85aSSteve Longerbeam static int fill_image(struct ipu_image_convert_ctx *ctx, 1194cd98e85aSSteve Longerbeam struct ipu_image_convert_image *ic_image, 1195cd98e85aSSteve Longerbeam struct ipu_image *image, 1196cd98e85aSSteve Longerbeam enum ipu_image_convert_type type) 1197cd98e85aSSteve Longerbeam { 1198cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = ctx->chan->priv; 1199cd98e85aSSteve Longerbeam 1200cd98e85aSSteve Longerbeam ic_image->base = *image; 1201cd98e85aSSteve Longerbeam ic_image->type = type; 1202cd98e85aSSteve Longerbeam 1203cd98e85aSSteve Longerbeam ic_image->fmt = get_format(image->pix.pixelformat); 1204cd98e85aSSteve Longerbeam if (!ic_image->fmt) { 1205cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "pixelformat not supported for %s\n", 1206cd98e85aSSteve Longerbeam type == IMAGE_CONVERT_OUT ? "Output" : "Input"); 1207cd98e85aSSteve Longerbeam return -EINVAL; 1208cd98e85aSSteve Longerbeam } 1209cd98e85aSSteve Longerbeam 1210cd98e85aSSteve Longerbeam if (ic_image->fmt->planar) 1211cd98e85aSSteve Longerbeam ic_image->stride = ic_image->base.pix.width; 1212cd98e85aSSteve Longerbeam else 1213cd98e85aSSteve Longerbeam ic_image->stride = ic_image->base.pix.bytesperline; 1214cd98e85aSSteve Longerbeam 1215cd98e85aSSteve Longerbeam calc_tile_dimensions(ctx, ic_image); 1216cd98e85aSSteve Longerbeam 1217c4e45658SSteve Longerbeam return calc_tile_offsets(ctx, ic_image); 1218cd98e85aSSteve Longerbeam } 1219cd98e85aSSteve Longerbeam 1220cd98e85aSSteve Longerbeam /* borrowed from drivers/media/v4l2-core/v4l2-common.c */ 1221cd98e85aSSteve Longerbeam static unsigned int clamp_align(unsigned int x, unsigned int min, 1222cd98e85aSSteve Longerbeam unsigned int max, unsigned int align) 1223cd98e85aSSteve Longerbeam { 1224cd98e85aSSteve Longerbeam /* Bits that must be zero to be aligned */ 1225cd98e85aSSteve Longerbeam unsigned int mask = ~((1 << align) - 1); 1226cd98e85aSSteve Longerbeam 1227cd98e85aSSteve Longerbeam /* Clamp to aligned min and max */ 1228cd98e85aSSteve Longerbeam x = clamp(x, (min + ~mask) & mask, max & mask); 1229cd98e85aSSteve Longerbeam 1230cd98e85aSSteve Longerbeam /* Round to nearest aligned value */ 1231cd98e85aSSteve Longerbeam if (align) 1232cd98e85aSSteve Longerbeam x = (x + (1 << (align - 1))) & mask; 1233cd98e85aSSteve Longerbeam 1234cd98e85aSSteve Longerbeam return x; 1235cd98e85aSSteve Longerbeam } 1236cd98e85aSSteve Longerbeam 1237cd98e85aSSteve Longerbeam /* 1238cd98e85aSSteve Longerbeam * We have to adjust the tile width such that the tile physaddrs and 1239cd98e85aSSteve Longerbeam * U and V plane offsets are multiples of 8 bytes as required by 1240cd98e85aSSteve Longerbeam * the IPU DMA Controller. For the planar formats, this corresponds 1241cd98e85aSSteve Longerbeam * to a pixel alignment of 16 (but use a more formal equation since 1242cd98e85aSSteve Longerbeam * the variables are available). For all the packed formats, 8 is 1243cd98e85aSSteve Longerbeam * good enough. 1244cd98e85aSSteve Longerbeam */ 1245cd98e85aSSteve Longerbeam static inline u32 tile_width_align(const struct ipu_image_pixfmt *fmt) 1246cd98e85aSSteve Longerbeam { 1247cd98e85aSSteve Longerbeam return fmt->planar ? 8 * fmt->uv_width_dec : 8; 1248cd98e85aSSteve Longerbeam } 1249cd98e85aSSteve Longerbeam 1250cd98e85aSSteve Longerbeam /* 1251cd98e85aSSteve Longerbeam * For tile height alignment, we have to ensure that the output tile 1252cd98e85aSSteve Longerbeam * heights are multiples of 8 lines if the IRT is required by the 1253cd98e85aSSteve Longerbeam * given rotation mode (the IRT performs rotations on 8x8 blocks 1254cd98e85aSSteve Longerbeam * at a time). If the IRT is not used, or for input image tiles, 1255cd98e85aSSteve Longerbeam * 2 lines are good enough. 1256cd98e85aSSteve Longerbeam */ 1257cd98e85aSSteve Longerbeam static inline u32 tile_height_align(enum ipu_image_convert_type type, 1258cd98e85aSSteve Longerbeam enum ipu_rotate_mode rot_mode) 1259cd98e85aSSteve Longerbeam { 1260cd98e85aSSteve Longerbeam return (type == IMAGE_CONVERT_OUT && 1261cd98e85aSSteve Longerbeam ipu_rot_mode_is_irt(rot_mode)) ? 8 : 2; 1262cd98e85aSSteve Longerbeam } 1263cd98e85aSSteve Longerbeam 1264cd98e85aSSteve Longerbeam /* Adjusts input/output images to IPU restrictions */ 1265cd98e85aSSteve Longerbeam void ipu_image_convert_adjust(struct ipu_image *in, struct ipu_image *out, 1266cd98e85aSSteve Longerbeam enum ipu_rotate_mode rot_mode) 1267cd98e85aSSteve Longerbeam { 1268cd98e85aSSteve Longerbeam const struct ipu_image_pixfmt *infmt, *outfmt; 1269cd98e85aSSteve Longerbeam unsigned int num_in_rows, num_in_cols; 1270cd98e85aSSteve Longerbeam unsigned int num_out_rows, num_out_cols; 1271cd98e85aSSteve Longerbeam u32 w_align, h_align; 1272cd98e85aSSteve Longerbeam 1273cd98e85aSSteve Longerbeam infmt = get_format(in->pix.pixelformat); 1274cd98e85aSSteve Longerbeam outfmt = get_format(out->pix.pixelformat); 1275cd98e85aSSteve Longerbeam 1276cd98e85aSSteve Longerbeam /* set some default pixel formats if needed */ 1277cd98e85aSSteve Longerbeam if (!infmt) { 1278cd98e85aSSteve Longerbeam in->pix.pixelformat = V4L2_PIX_FMT_RGB24; 1279cd98e85aSSteve Longerbeam infmt = get_format(V4L2_PIX_FMT_RGB24); 1280cd98e85aSSteve Longerbeam } 1281cd98e85aSSteve Longerbeam if (!outfmt) { 1282cd98e85aSSteve Longerbeam out->pix.pixelformat = V4L2_PIX_FMT_RGB24; 1283cd98e85aSSteve Longerbeam outfmt = get_format(V4L2_PIX_FMT_RGB24); 1284cd98e85aSSteve Longerbeam } 1285cd98e85aSSteve Longerbeam 1286cd98e85aSSteve Longerbeam /* image converter does not handle fields */ 1287cd98e85aSSteve Longerbeam in->pix.field = out->pix.field = V4L2_FIELD_NONE; 1288cd98e85aSSteve Longerbeam 1289cd98e85aSSteve Longerbeam /* resizer cannot downsize more than 4:1 */ 1290cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(rot_mode)) { 1291cd98e85aSSteve Longerbeam out->pix.height = max_t(__u32, out->pix.height, 1292cd98e85aSSteve Longerbeam in->pix.width / 4); 1293cd98e85aSSteve Longerbeam out->pix.width = max_t(__u32, out->pix.width, 1294cd98e85aSSteve Longerbeam in->pix.height / 4); 1295cd98e85aSSteve Longerbeam } else { 1296cd98e85aSSteve Longerbeam out->pix.width = max_t(__u32, out->pix.width, 1297cd98e85aSSteve Longerbeam in->pix.width / 4); 1298cd98e85aSSteve Longerbeam out->pix.height = max_t(__u32, out->pix.height, 1299cd98e85aSSteve Longerbeam in->pix.height / 4); 1300cd98e85aSSteve Longerbeam } 1301cd98e85aSSteve Longerbeam 1302cd98e85aSSteve Longerbeam /* get tiling rows/cols from output format */ 1303cd98e85aSSteve Longerbeam num_out_rows = num_stripes(out->pix.height); 1304cd98e85aSSteve Longerbeam num_out_cols = num_stripes(out->pix.width); 1305cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(rot_mode)) { 1306cd98e85aSSteve Longerbeam num_in_rows = num_out_cols; 1307cd98e85aSSteve Longerbeam num_in_cols = num_out_rows; 1308cd98e85aSSteve Longerbeam } else { 1309cd98e85aSSteve Longerbeam num_in_rows = num_out_rows; 1310cd98e85aSSteve Longerbeam num_in_cols = num_out_cols; 1311cd98e85aSSteve Longerbeam } 1312cd98e85aSSteve Longerbeam 1313cd98e85aSSteve Longerbeam /* align input width/height */ 1314cd98e85aSSteve Longerbeam w_align = ilog2(tile_width_align(infmt) * num_in_cols); 1315cd98e85aSSteve Longerbeam h_align = ilog2(tile_height_align(IMAGE_CONVERT_IN, rot_mode) * 1316cd98e85aSSteve Longerbeam num_in_rows); 1317cd98e85aSSteve Longerbeam in->pix.width = clamp_align(in->pix.width, MIN_W, MAX_W, w_align); 1318cd98e85aSSteve Longerbeam in->pix.height = clamp_align(in->pix.height, MIN_H, MAX_H, h_align); 1319cd98e85aSSteve Longerbeam 1320cd98e85aSSteve Longerbeam /* align output width/height */ 1321cd98e85aSSteve Longerbeam w_align = ilog2(tile_width_align(outfmt) * num_out_cols); 1322cd98e85aSSteve Longerbeam h_align = ilog2(tile_height_align(IMAGE_CONVERT_OUT, rot_mode) * 1323cd98e85aSSteve Longerbeam num_out_rows); 1324cd98e85aSSteve Longerbeam out->pix.width = clamp_align(out->pix.width, MIN_W, MAX_W, w_align); 1325cd98e85aSSteve Longerbeam out->pix.height = clamp_align(out->pix.height, MIN_H, MAX_H, h_align); 1326cd98e85aSSteve Longerbeam 1327cd98e85aSSteve Longerbeam /* set input/output strides and image sizes */ 1328cd98e85aSSteve Longerbeam in->pix.bytesperline = (in->pix.width * infmt->bpp) >> 3; 1329cd98e85aSSteve Longerbeam in->pix.sizeimage = in->pix.height * in->pix.bytesperline; 1330cd98e85aSSteve Longerbeam out->pix.bytesperline = (out->pix.width * outfmt->bpp) >> 3; 1331cd98e85aSSteve Longerbeam out->pix.sizeimage = out->pix.height * out->pix.bytesperline; 1332cd98e85aSSteve Longerbeam } 1333cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_adjust); 1334cd98e85aSSteve Longerbeam 1335cd98e85aSSteve Longerbeam /* 1336cd98e85aSSteve Longerbeam * this is used by ipu_image_convert_prepare() to verify set input and 1337cd98e85aSSteve Longerbeam * output images are valid before starting the conversion. Clients can 1338cd98e85aSSteve Longerbeam * also call it before calling ipu_image_convert_prepare(). 1339cd98e85aSSteve Longerbeam */ 1340cd98e85aSSteve Longerbeam int ipu_image_convert_verify(struct ipu_image *in, struct ipu_image *out, 1341cd98e85aSSteve Longerbeam enum ipu_rotate_mode rot_mode) 1342cd98e85aSSteve Longerbeam { 1343cd98e85aSSteve Longerbeam struct ipu_image testin, testout; 1344cd98e85aSSteve Longerbeam 1345cd98e85aSSteve Longerbeam testin = *in; 1346cd98e85aSSteve Longerbeam testout = *out; 1347cd98e85aSSteve Longerbeam 1348cd98e85aSSteve Longerbeam ipu_image_convert_adjust(&testin, &testout, rot_mode); 1349cd98e85aSSteve Longerbeam 1350cd98e85aSSteve Longerbeam if (testin.pix.width != in->pix.width || 1351cd98e85aSSteve Longerbeam testin.pix.height != in->pix.height || 1352cd98e85aSSteve Longerbeam testout.pix.width != out->pix.width || 1353cd98e85aSSteve Longerbeam testout.pix.height != out->pix.height) 1354cd98e85aSSteve Longerbeam return -EINVAL; 1355cd98e85aSSteve Longerbeam 1356cd98e85aSSteve Longerbeam return 0; 1357cd98e85aSSteve Longerbeam } 1358cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_verify); 1359cd98e85aSSteve Longerbeam 1360cd98e85aSSteve Longerbeam /* 1361cd98e85aSSteve Longerbeam * Call ipu_image_convert_prepare() to prepare for the conversion of 1362cd98e85aSSteve Longerbeam * given images and rotation mode. Returns a new conversion context. 1363cd98e85aSSteve Longerbeam */ 1364cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx * 1365cd98e85aSSteve Longerbeam ipu_image_convert_prepare(struct ipu_soc *ipu, enum ipu_ic_task ic_task, 1366cd98e85aSSteve Longerbeam struct ipu_image *in, struct ipu_image *out, 1367cd98e85aSSteve Longerbeam enum ipu_rotate_mode rot_mode, 1368cd98e85aSSteve Longerbeam ipu_image_convert_cb_t complete, 1369cd98e85aSSteve Longerbeam void *complete_context) 1370cd98e85aSSteve Longerbeam { 1371cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = ipu->image_convert_priv; 1372cd98e85aSSteve Longerbeam struct ipu_image_convert_image *s_image, *d_image; 1373cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan; 1374cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx; 1375cd98e85aSSteve Longerbeam unsigned long flags; 1376cd98e85aSSteve Longerbeam bool get_res; 1377cd98e85aSSteve Longerbeam int ret; 1378cd98e85aSSteve Longerbeam 1379cd98e85aSSteve Longerbeam if (!in || !out || !complete || 1380cd98e85aSSteve Longerbeam (ic_task != IC_TASK_VIEWFINDER && 1381cd98e85aSSteve Longerbeam ic_task != IC_TASK_POST_PROCESSOR)) 1382cd98e85aSSteve Longerbeam return ERR_PTR(-EINVAL); 1383cd98e85aSSteve Longerbeam 1384cd98e85aSSteve Longerbeam /* verify the in/out images before continuing */ 1385cd98e85aSSteve Longerbeam ret = ipu_image_convert_verify(in, out, rot_mode); 1386cd98e85aSSteve Longerbeam if (ret) { 1387cd98e85aSSteve Longerbeam dev_err(priv->ipu->dev, "%s: in/out formats invalid\n", 1388cd98e85aSSteve Longerbeam __func__); 1389cd98e85aSSteve Longerbeam return ERR_PTR(ret); 1390cd98e85aSSteve Longerbeam } 1391cd98e85aSSteve Longerbeam 1392cd98e85aSSteve Longerbeam chan = &priv->chan[ic_task]; 1393cd98e85aSSteve Longerbeam 1394cd98e85aSSteve Longerbeam ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); 1395cd98e85aSSteve Longerbeam if (!ctx) 1396cd98e85aSSteve Longerbeam return ERR_PTR(-ENOMEM); 1397cd98e85aSSteve Longerbeam 1398cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, "%s: task %u: ctx %p\n", __func__, 1399cd98e85aSSteve Longerbeam chan->ic_task, ctx); 1400cd98e85aSSteve Longerbeam 1401cd98e85aSSteve Longerbeam ctx->chan = chan; 1402cd98e85aSSteve Longerbeam init_completion(&ctx->aborted); 1403cd98e85aSSteve Longerbeam 1404cd98e85aSSteve Longerbeam s_image = &ctx->in; 1405cd98e85aSSteve Longerbeam d_image = &ctx->out; 1406cd98e85aSSteve Longerbeam 1407cd98e85aSSteve Longerbeam /* set tiling and rotation */ 1408cd98e85aSSteve Longerbeam d_image->num_rows = num_stripes(out->pix.height); 1409cd98e85aSSteve Longerbeam d_image->num_cols = num_stripes(out->pix.width); 1410cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(rot_mode)) { 1411cd98e85aSSteve Longerbeam s_image->num_rows = d_image->num_cols; 1412cd98e85aSSteve Longerbeam s_image->num_cols = d_image->num_rows; 1413cd98e85aSSteve Longerbeam } else { 1414cd98e85aSSteve Longerbeam s_image->num_rows = d_image->num_rows; 1415cd98e85aSSteve Longerbeam s_image->num_cols = d_image->num_cols; 1416cd98e85aSSteve Longerbeam } 1417cd98e85aSSteve Longerbeam 1418cd98e85aSSteve Longerbeam ctx->num_tiles = d_image->num_cols * d_image->num_rows; 1419cd98e85aSSteve Longerbeam ctx->rot_mode = rot_mode; 1420cd98e85aSSteve Longerbeam 1421cd98e85aSSteve Longerbeam ret = fill_image(ctx, s_image, in, IMAGE_CONVERT_IN); 1422cd98e85aSSteve Longerbeam if (ret) 1423cd98e85aSSteve Longerbeam goto out_free; 1424cd98e85aSSteve Longerbeam ret = fill_image(ctx, d_image, out, IMAGE_CONVERT_OUT); 1425cd98e85aSSteve Longerbeam if (ret) 1426cd98e85aSSteve Longerbeam goto out_free; 1427cd98e85aSSteve Longerbeam 1428cd98e85aSSteve Longerbeam calc_out_tile_map(ctx); 1429cd98e85aSSteve Longerbeam 1430cd98e85aSSteve Longerbeam dump_format(ctx, s_image); 1431cd98e85aSSteve Longerbeam dump_format(ctx, d_image); 1432cd98e85aSSteve Longerbeam 1433cd98e85aSSteve Longerbeam ctx->complete = complete; 1434cd98e85aSSteve Longerbeam ctx->complete_context = complete_context; 1435cd98e85aSSteve Longerbeam 1436cd98e85aSSteve Longerbeam /* 1437cd98e85aSSteve Longerbeam * Can we use double-buffering for this operation? If there is 1438cd98e85aSSteve Longerbeam * only one tile (the whole image can be converted in a single 1439cd98e85aSSteve Longerbeam * operation) there's no point in using double-buffering. Also, 1440cd98e85aSSteve Longerbeam * the IPU's IDMAC channels allow only a single U and V plane 1441cd98e85aSSteve Longerbeam * offset shared between both buffers, but these offsets change 1442cd98e85aSSteve Longerbeam * for every tile, and therefore would have to be updated for 1443cd98e85aSSteve Longerbeam * each buffer which is not possible. So double-buffering is 1444cd98e85aSSteve Longerbeam * impossible when either the source or destination images are 1445cd98e85aSSteve Longerbeam * a planar format (YUV420, YUV422P, etc.). 1446cd98e85aSSteve Longerbeam */ 1447cd98e85aSSteve Longerbeam ctx->double_buffering = (ctx->num_tiles > 1 && 1448cd98e85aSSteve Longerbeam !s_image->fmt->planar && 1449cd98e85aSSteve Longerbeam !d_image->fmt->planar); 1450cd98e85aSSteve Longerbeam 1451cd98e85aSSteve Longerbeam if (ipu_rot_mode_is_irt(ctx->rot_mode)) { 1452cd98e85aSSteve Longerbeam ret = alloc_dma_buf(priv, &ctx->rot_intermediate[0], 1453cd98e85aSSteve Longerbeam d_image->tile[0].size); 1454cd98e85aSSteve Longerbeam if (ret) 1455cd98e85aSSteve Longerbeam goto out_free; 1456cd98e85aSSteve Longerbeam if (ctx->double_buffering) { 1457cd98e85aSSteve Longerbeam ret = alloc_dma_buf(priv, 1458cd98e85aSSteve Longerbeam &ctx->rot_intermediate[1], 1459cd98e85aSSteve Longerbeam d_image->tile[0].size); 1460cd98e85aSSteve Longerbeam if (ret) 1461cd98e85aSSteve Longerbeam goto out_free_dmabuf0; 1462cd98e85aSSteve Longerbeam } 1463cd98e85aSSteve Longerbeam } 1464cd98e85aSSteve Longerbeam 1465cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 1466cd98e85aSSteve Longerbeam 1467cd98e85aSSteve Longerbeam get_res = list_empty(&chan->ctx_list); 1468cd98e85aSSteve Longerbeam 1469cd98e85aSSteve Longerbeam list_add_tail(&ctx->list, &chan->ctx_list); 1470cd98e85aSSteve Longerbeam 1471cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1472cd98e85aSSteve Longerbeam 1473cd98e85aSSteve Longerbeam if (get_res) { 1474cd98e85aSSteve Longerbeam ret = get_ipu_resources(chan); 1475cd98e85aSSteve Longerbeam if (ret) 1476cd98e85aSSteve Longerbeam goto out_free_dmabuf1; 1477cd98e85aSSteve Longerbeam } 1478cd98e85aSSteve Longerbeam 1479cd98e85aSSteve Longerbeam return ctx; 1480cd98e85aSSteve Longerbeam 1481cd98e85aSSteve Longerbeam out_free_dmabuf1: 1482cd98e85aSSteve Longerbeam free_dma_buf(priv, &ctx->rot_intermediate[1]); 1483cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 1484cd98e85aSSteve Longerbeam list_del(&ctx->list); 1485cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1486cd98e85aSSteve Longerbeam out_free_dmabuf0: 1487cd98e85aSSteve Longerbeam free_dma_buf(priv, &ctx->rot_intermediate[0]); 1488cd98e85aSSteve Longerbeam out_free: 1489cd98e85aSSteve Longerbeam kfree(ctx); 1490cd98e85aSSteve Longerbeam return ERR_PTR(ret); 1491cd98e85aSSteve Longerbeam } 1492cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_prepare); 1493cd98e85aSSteve Longerbeam 1494cd98e85aSSteve Longerbeam /* 1495cd98e85aSSteve Longerbeam * Carry out a single image conversion run. Only the physaddr's of the input 1496cd98e85aSSteve Longerbeam * and output image buffers are needed. The conversion context must have 1497cd98e85aSSteve Longerbeam * been created previously with ipu_image_convert_prepare(). 1498cd98e85aSSteve Longerbeam */ 1499cd98e85aSSteve Longerbeam int ipu_image_convert_queue(struct ipu_image_convert_run *run) 1500cd98e85aSSteve Longerbeam { 1501cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan; 1502cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv; 1503cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx; 1504cd98e85aSSteve Longerbeam unsigned long flags; 1505cd98e85aSSteve Longerbeam int ret = 0; 1506cd98e85aSSteve Longerbeam 1507cd98e85aSSteve Longerbeam if (!run || !run->ctx || !run->in_phys || !run->out_phys) 1508cd98e85aSSteve Longerbeam return -EINVAL; 1509cd98e85aSSteve Longerbeam 1510cd98e85aSSteve Longerbeam ctx = run->ctx; 1511cd98e85aSSteve Longerbeam chan = ctx->chan; 1512cd98e85aSSteve Longerbeam priv = chan->priv; 1513cd98e85aSSteve Longerbeam 1514cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, "%s: task %u: ctx %p run %p\n", __func__, 1515cd98e85aSSteve Longerbeam chan->ic_task, ctx, run); 1516cd98e85aSSteve Longerbeam 1517cd98e85aSSteve Longerbeam INIT_LIST_HEAD(&run->list); 1518cd98e85aSSteve Longerbeam 1519cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 1520cd98e85aSSteve Longerbeam 1521cd98e85aSSteve Longerbeam if (ctx->aborting) { 1522cd98e85aSSteve Longerbeam ret = -EIO; 1523cd98e85aSSteve Longerbeam goto unlock; 1524cd98e85aSSteve Longerbeam } 1525cd98e85aSSteve Longerbeam 1526cd98e85aSSteve Longerbeam list_add_tail(&run->list, &chan->pending_q); 1527cd98e85aSSteve Longerbeam 1528cd98e85aSSteve Longerbeam if (!chan->current_run) { 1529cd98e85aSSteve Longerbeam ret = do_run(run); 1530cd98e85aSSteve Longerbeam if (ret) 1531cd98e85aSSteve Longerbeam chan->current_run = NULL; 1532cd98e85aSSteve Longerbeam } 1533cd98e85aSSteve Longerbeam unlock: 1534cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1535cd98e85aSSteve Longerbeam return ret; 1536cd98e85aSSteve Longerbeam } 1537cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_queue); 1538cd98e85aSSteve Longerbeam 1539cd98e85aSSteve Longerbeam /* Abort any active or pending conversions for this context */ 1540819bec35SSteve Longerbeam static void __ipu_image_convert_abort(struct ipu_image_convert_ctx *ctx) 1541cd98e85aSSteve Longerbeam { 1542cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 1543cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 1544cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run, *active_run, *tmp; 1545cd98e85aSSteve Longerbeam unsigned long flags; 1546cd98e85aSSteve Longerbeam int run_count, ret; 1547cd98e85aSSteve Longerbeam 1548cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 1549cd98e85aSSteve Longerbeam 1550cd98e85aSSteve Longerbeam /* move all remaining pending runs in this context to done_q */ 1551cd98e85aSSteve Longerbeam list_for_each_entry_safe(run, tmp, &chan->pending_q, list) { 1552cd98e85aSSteve Longerbeam if (run->ctx != ctx) 1553cd98e85aSSteve Longerbeam continue; 1554cd98e85aSSteve Longerbeam run->status = -EIO; 1555cd98e85aSSteve Longerbeam list_move_tail(&run->list, &chan->done_q); 1556cd98e85aSSteve Longerbeam } 1557cd98e85aSSteve Longerbeam 1558cd98e85aSSteve Longerbeam run_count = get_run_count(ctx, &chan->done_q); 1559cd98e85aSSteve Longerbeam active_run = (chan->current_run && chan->current_run->ctx == ctx) ? 1560cd98e85aSSteve Longerbeam chan->current_run : NULL; 1561cd98e85aSSteve Longerbeam 1562aa60b261SSteve Longerbeam if (active_run) 1563aa60b261SSteve Longerbeam reinit_completion(&ctx->aborted); 1564aa60b261SSteve Longerbeam 1565819bec35SSteve Longerbeam ctx->aborting = true; 1566cd98e85aSSteve Longerbeam 1567cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1568cd98e85aSSteve Longerbeam 1569b288adadSSteve Longerbeam if (!run_count && !active_run) { 1570cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, 1571cd98e85aSSteve Longerbeam "%s: task %u: no abort needed for ctx %p\n", 1572cd98e85aSSteve Longerbeam __func__, chan->ic_task, ctx); 1573cd98e85aSSteve Longerbeam return; 1574cd98e85aSSteve Longerbeam } 1575cd98e85aSSteve Longerbeam 1576920340aeSSteve Longerbeam if (!active_run) { 1577920340aeSSteve Longerbeam empty_done_q(chan); 1578920340aeSSteve Longerbeam return; 1579920340aeSSteve Longerbeam } 1580920340aeSSteve Longerbeam 1581cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, 1582920340aeSSteve Longerbeam "%s: task %u: wait for completion: %d runs\n", 1583920340aeSSteve Longerbeam __func__, chan->ic_task, run_count); 1584cd98e85aSSteve Longerbeam 1585cd98e85aSSteve Longerbeam ret = wait_for_completion_timeout(&ctx->aborted, 1586cd98e85aSSteve Longerbeam msecs_to_jiffies(10000)); 1587cd98e85aSSteve Longerbeam if (ret == 0) { 1588cd98e85aSSteve Longerbeam dev_warn(priv->ipu->dev, "%s: timeout\n", __func__); 1589cd98e85aSSteve Longerbeam force_abort(ctx); 1590cd98e85aSSteve Longerbeam } 1591819bec35SSteve Longerbeam } 1592cd98e85aSSteve Longerbeam 1593819bec35SSteve Longerbeam void ipu_image_convert_abort(struct ipu_image_convert_ctx *ctx) 1594819bec35SSteve Longerbeam { 1595819bec35SSteve Longerbeam __ipu_image_convert_abort(ctx); 1596cd98e85aSSteve Longerbeam ctx->aborting = false; 1597cd98e85aSSteve Longerbeam } 1598cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_abort); 1599cd98e85aSSteve Longerbeam 1600cd98e85aSSteve Longerbeam /* Unprepare image conversion context */ 1601cd98e85aSSteve Longerbeam void ipu_image_convert_unprepare(struct ipu_image_convert_ctx *ctx) 1602cd98e85aSSteve Longerbeam { 1603cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = ctx->chan; 1604cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv = chan->priv; 1605cd98e85aSSteve Longerbeam unsigned long flags; 1606cd98e85aSSteve Longerbeam bool put_res; 1607cd98e85aSSteve Longerbeam 1608cd98e85aSSteve Longerbeam /* make sure no runs are hanging around */ 1609819bec35SSteve Longerbeam __ipu_image_convert_abort(ctx); 1610cd98e85aSSteve Longerbeam 1611cd98e85aSSteve Longerbeam dev_dbg(priv->ipu->dev, "%s: task %u: removing ctx %p\n", __func__, 1612cd98e85aSSteve Longerbeam chan->ic_task, ctx); 1613cd98e85aSSteve Longerbeam 1614cd98e85aSSteve Longerbeam spin_lock_irqsave(&chan->irqlock, flags); 1615cd98e85aSSteve Longerbeam 1616cd98e85aSSteve Longerbeam list_del(&ctx->list); 1617cd98e85aSSteve Longerbeam 1618cd98e85aSSteve Longerbeam put_res = list_empty(&chan->ctx_list); 1619cd98e85aSSteve Longerbeam 1620cd98e85aSSteve Longerbeam spin_unlock_irqrestore(&chan->irqlock, flags); 1621cd98e85aSSteve Longerbeam 1622cd98e85aSSteve Longerbeam if (put_res) 1623cd98e85aSSteve Longerbeam release_ipu_resources(chan); 1624cd98e85aSSteve Longerbeam 1625cd98e85aSSteve Longerbeam free_dma_buf(priv, &ctx->rot_intermediate[1]); 1626cd98e85aSSteve Longerbeam free_dma_buf(priv, &ctx->rot_intermediate[0]); 1627cd98e85aSSteve Longerbeam 1628cd98e85aSSteve Longerbeam kfree(ctx); 1629cd98e85aSSteve Longerbeam } 1630cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_unprepare); 1631cd98e85aSSteve Longerbeam 1632cd98e85aSSteve Longerbeam /* 1633cd98e85aSSteve Longerbeam * "Canned" asynchronous single image conversion. Allocates and returns 1634cd98e85aSSteve Longerbeam * a new conversion run. On successful return the caller must free the 1635cd98e85aSSteve Longerbeam * run and call ipu_image_convert_unprepare() after conversion completes. 1636cd98e85aSSteve Longerbeam */ 1637cd98e85aSSteve Longerbeam struct ipu_image_convert_run * 1638cd98e85aSSteve Longerbeam ipu_image_convert(struct ipu_soc *ipu, enum ipu_ic_task ic_task, 1639cd98e85aSSteve Longerbeam struct ipu_image *in, struct ipu_image *out, 1640cd98e85aSSteve Longerbeam enum ipu_rotate_mode rot_mode, 1641cd98e85aSSteve Longerbeam ipu_image_convert_cb_t complete, 1642cd98e85aSSteve Longerbeam void *complete_context) 1643cd98e85aSSteve Longerbeam { 1644cd98e85aSSteve Longerbeam struct ipu_image_convert_ctx *ctx; 1645cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run; 1646cd98e85aSSteve Longerbeam int ret; 1647cd98e85aSSteve Longerbeam 1648cd98e85aSSteve Longerbeam ctx = ipu_image_convert_prepare(ipu, ic_task, in, out, rot_mode, 1649cd98e85aSSteve Longerbeam complete, complete_context); 1650cd98e85aSSteve Longerbeam if (IS_ERR(ctx)) 16514ad3e92cSWei Yongjun return ERR_CAST(ctx); 1652cd98e85aSSteve Longerbeam 1653cd98e85aSSteve Longerbeam run = kzalloc(sizeof(*run), GFP_KERNEL); 1654cd98e85aSSteve Longerbeam if (!run) { 1655cd98e85aSSteve Longerbeam ipu_image_convert_unprepare(ctx); 1656cd98e85aSSteve Longerbeam return ERR_PTR(-ENOMEM); 1657cd98e85aSSteve Longerbeam } 1658cd98e85aSSteve Longerbeam 1659cd98e85aSSteve Longerbeam run->ctx = ctx; 1660cd98e85aSSteve Longerbeam run->in_phys = in->phys0; 1661cd98e85aSSteve Longerbeam run->out_phys = out->phys0; 1662cd98e85aSSteve Longerbeam 1663cd98e85aSSteve Longerbeam ret = ipu_image_convert_queue(run); 1664cd98e85aSSteve Longerbeam if (ret) { 1665cd98e85aSSteve Longerbeam ipu_image_convert_unprepare(ctx); 1666cd98e85aSSteve Longerbeam kfree(run); 1667cd98e85aSSteve Longerbeam return ERR_PTR(ret); 1668cd98e85aSSteve Longerbeam } 1669cd98e85aSSteve Longerbeam 1670cd98e85aSSteve Longerbeam return run; 1671cd98e85aSSteve Longerbeam } 1672cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert); 1673cd98e85aSSteve Longerbeam 1674cd98e85aSSteve Longerbeam /* "Canned" synchronous single image conversion */ 1675cd98e85aSSteve Longerbeam static void image_convert_sync_complete(struct ipu_image_convert_run *run, 1676cd98e85aSSteve Longerbeam void *data) 1677cd98e85aSSteve Longerbeam { 1678cd98e85aSSteve Longerbeam struct completion *comp = data; 1679cd98e85aSSteve Longerbeam 1680cd98e85aSSteve Longerbeam complete(comp); 1681cd98e85aSSteve Longerbeam } 1682cd98e85aSSteve Longerbeam 1683cd98e85aSSteve Longerbeam int ipu_image_convert_sync(struct ipu_soc *ipu, enum ipu_ic_task ic_task, 1684cd98e85aSSteve Longerbeam struct ipu_image *in, struct ipu_image *out, 1685cd98e85aSSteve Longerbeam enum ipu_rotate_mode rot_mode) 1686cd98e85aSSteve Longerbeam { 1687cd98e85aSSteve Longerbeam struct ipu_image_convert_run *run; 1688cd98e85aSSteve Longerbeam struct completion comp; 1689cd98e85aSSteve Longerbeam int ret; 1690cd98e85aSSteve Longerbeam 1691cd98e85aSSteve Longerbeam init_completion(&comp); 1692cd98e85aSSteve Longerbeam 1693cd98e85aSSteve Longerbeam run = ipu_image_convert(ipu, ic_task, in, out, rot_mode, 1694cd98e85aSSteve Longerbeam image_convert_sync_complete, &comp); 1695cd98e85aSSteve Longerbeam if (IS_ERR(run)) 1696cd98e85aSSteve Longerbeam return PTR_ERR(run); 1697cd98e85aSSteve Longerbeam 1698cd98e85aSSteve Longerbeam ret = wait_for_completion_timeout(&comp, msecs_to_jiffies(10000)); 1699cd98e85aSSteve Longerbeam ret = (ret == 0) ? -ETIMEDOUT : 0; 1700cd98e85aSSteve Longerbeam 1701cd98e85aSSteve Longerbeam ipu_image_convert_unprepare(run->ctx); 1702cd98e85aSSteve Longerbeam kfree(run); 1703cd98e85aSSteve Longerbeam 1704cd98e85aSSteve Longerbeam return ret; 1705cd98e85aSSteve Longerbeam } 1706cd98e85aSSteve Longerbeam EXPORT_SYMBOL_GPL(ipu_image_convert_sync); 1707cd98e85aSSteve Longerbeam 1708cd98e85aSSteve Longerbeam int ipu_image_convert_init(struct ipu_soc *ipu, struct device *dev) 1709cd98e85aSSteve Longerbeam { 1710cd98e85aSSteve Longerbeam struct ipu_image_convert_priv *priv; 1711cd98e85aSSteve Longerbeam int i; 1712cd98e85aSSteve Longerbeam 1713cd98e85aSSteve Longerbeam priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); 1714cd98e85aSSteve Longerbeam if (!priv) 1715cd98e85aSSteve Longerbeam return -ENOMEM; 1716cd98e85aSSteve Longerbeam 1717cd98e85aSSteve Longerbeam ipu->image_convert_priv = priv; 1718cd98e85aSSteve Longerbeam priv->ipu = ipu; 1719cd98e85aSSteve Longerbeam 1720cd98e85aSSteve Longerbeam for (i = 0; i < IC_NUM_TASKS; i++) { 1721cd98e85aSSteve Longerbeam struct ipu_image_convert_chan *chan = &priv->chan[i]; 1722cd98e85aSSteve Longerbeam 1723cd98e85aSSteve Longerbeam chan->ic_task = i; 1724cd98e85aSSteve Longerbeam chan->priv = priv; 1725cd98e85aSSteve Longerbeam chan->dma_ch = &image_convert_dma_chan[i]; 1726cd98e85aSSteve Longerbeam chan->out_eof_irq = -1; 1727cd98e85aSSteve Longerbeam chan->rot_out_eof_irq = -1; 1728cd98e85aSSteve Longerbeam 1729cd98e85aSSteve Longerbeam spin_lock_init(&chan->irqlock); 1730cd98e85aSSteve Longerbeam INIT_LIST_HEAD(&chan->ctx_list); 1731cd98e85aSSteve Longerbeam INIT_LIST_HEAD(&chan->pending_q); 1732cd98e85aSSteve Longerbeam INIT_LIST_HEAD(&chan->done_q); 1733cd98e85aSSteve Longerbeam } 1734cd98e85aSSteve Longerbeam 1735cd98e85aSSteve Longerbeam return 0; 1736cd98e85aSSteve Longerbeam } 1737cd98e85aSSteve Longerbeam 1738cd98e85aSSteve Longerbeam void ipu_image_convert_exit(struct ipu_soc *ipu) 1739cd98e85aSSteve Longerbeam { 1740cd98e85aSSteve Longerbeam } 1741