Eunchul Kim | 16102ed | 2012-12-14 17:58:55 +0900 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 Samsung Electronics Co.Ltd |
| 3 | * Authors: |
| 4 | * Eunchul Kim <chulspro.kim@samsung.com> |
| 5 | * Jinyoung Jeon <jy0.jeon@samsung.com> |
| 6 | * Sangmin Lee <lsmin.lee@samsung.com> |
| 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of the GNU General Public License as published by the |
| 10 | * Free Software Foundation; either version 2 of the License, or (at your |
| 11 | * option) any later version. |
| 12 | * |
| 13 | */ |
| 14 | #include <linux/kernel.h> |
| 15 | #include <linux/module.h> |
| 16 | #include <linux/platform_device.h> |
| 17 | #include <linux/clk.h> |
| 18 | #include <linux/pm_runtime.h> |
| 19 | #include <plat/map-base.h> |
| 20 | |
| 21 | #include <drm/drmP.h> |
| 22 | #include <drm/exynos_drm.h> |
| 23 | #include "regs-fimc.h" |
| 24 | #include "exynos_drm_ipp.h" |
| 25 | #include "exynos_drm_fimc.h" |
| 26 | |
| 27 | /* |
Eunchul Kim | 6fe891f | 2012-12-22 17:49:26 +0900 | [diff] [blame] | 28 | * FIMC stands for Fully Interactive Mobile Camera and |
Eunchul Kim | 16102ed | 2012-12-14 17:58:55 +0900 | [diff] [blame] | 29 | * supports image scaler/rotator and input/output DMA operations. |
| 30 | * input DMA reads image data from the memory. |
| 31 | * output DMA writes image data to memory. |
| 32 | * FIMC supports image rotation and image effect functions. |
| 33 | * |
| 34 | * M2M operation : supports crop/scale/rotation/csc so on. |
| 35 | * Memory ----> FIMC H/W ----> Memory. |
| 36 | * Writeback operation : supports cloned screen with FIMD. |
| 37 | * FIMD ----> FIMC H/W ----> Memory. |
| 38 | * Output operation : supports direct display using local path. |
| 39 | * Memory ----> FIMC H/W ----> FIMD. |
| 40 | */ |
| 41 | |
| 42 | /* |
| 43 | * TODO |
| 44 | * 1. check suspend/resume api if needed. |
| 45 | * 2. need to check use case platform_device_id. |
| 46 | * 3. check src/dst size with, height. |
| 47 | * 4. added check_prepare api for right register. |
| 48 | * 5. need to add supported list in prop_list. |
| 49 | * 6. check prescaler/scaler optimization. |
| 50 | */ |
| 51 | |
| 52 | #define FIMC_MAX_DEVS 4 |
| 53 | #define FIMC_MAX_SRC 2 |
| 54 | #define FIMC_MAX_DST 32 |
| 55 | #define FIMC_SHFACTOR 10 |
| 56 | #define FIMC_BUF_STOP 1 |
| 57 | #define FIMC_BUF_START 2 |
| 58 | #define FIMC_REG_SZ 32 |
| 59 | #define FIMC_WIDTH_ITU_709 1280 |
| 60 | #define FIMC_REFRESH_MAX 60 |
| 61 | #define FIMC_REFRESH_MIN 12 |
| 62 | #define FIMC_CROP_MAX 8192 |
| 63 | #define FIMC_CROP_MIN 32 |
| 64 | #define FIMC_SCALE_MAX 4224 |
| 65 | #define FIMC_SCALE_MIN 32 |
| 66 | |
| 67 | #define get_fimc_context(dev) platform_get_drvdata(to_platform_device(dev)) |
| 68 | #define get_ctx_from_ippdrv(ippdrv) container_of(ippdrv,\ |
| 69 | struct fimc_context, ippdrv); |
| 70 | #define fimc_read(offset) readl(ctx->regs + (offset)) |
| 71 | #define fimc_write(cfg, offset) writel(cfg, ctx->regs + (offset)) |
| 72 | |
| 73 | enum fimc_wb { |
| 74 | FIMC_WB_NONE, |
| 75 | FIMC_WB_A, |
| 76 | FIMC_WB_B, |
| 77 | }; |
| 78 | |
| 79 | /* |
| 80 | * A structure of scaler. |
| 81 | * |
| 82 | * @range: narrow, wide. |
| 83 | * @bypass: unused scaler path. |
| 84 | * @up_h: horizontal scale up. |
| 85 | * @up_v: vertical scale up. |
| 86 | * @hratio: horizontal ratio. |
| 87 | * @vratio: vertical ratio. |
| 88 | */ |
| 89 | struct fimc_scaler { |
| 90 | bool range; |
| 91 | bool bypass; |
| 92 | bool up_h; |
| 93 | bool up_v; |
| 94 | u32 hratio; |
| 95 | u32 vratio; |
| 96 | }; |
| 97 | |
| 98 | /* |
| 99 | * A structure of scaler capability. |
| 100 | * |
| 101 | * find user manual table 43-1. |
| 102 | * @in_hori: scaler input horizontal size. |
| 103 | * @bypass: scaler bypass mode. |
| 104 | * @dst_h_wo_rot: target horizontal size without output rotation. |
| 105 | * @dst_h_rot: target horizontal size with output rotation. |
| 106 | * @rl_w_wo_rot: real width without input rotation. |
| 107 | * @rl_h_rot: real height without output rotation. |
| 108 | */ |
| 109 | struct fimc_capability { |
| 110 | /* scaler */ |
| 111 | u32 in_hori; |
| 112 | u32 bypass; |
| 113 | /* output rotator */ |
| 114 | u32 dst_h_wo_rot; |
| 115 | u32 dst_h_rot; |
| 116 | /* input rotator */ |
| 117 | u32 rl_w_wo_rot; |
| 118 | u32 rl_h_rot; |
| 119 | }; |
| 120 | |
| 121 | /* |
| 122 | * A structure of fimc driver data. |
| 123 | * |
| 124 | * @parent_clk: name of parent clock. |
| 125 | */ |
| 126 | struct fimc_driverdata { |
| 127 | char *parent_clk; |
| 128 | }; |
| 129 | |
| 130 | /* |
| 131 | * A structure of fimc context. |
| 132 | * |
| 133 | * @ippdrv: prepare initialization using ippdrv. |
| 134 | * @regs_res: register resources. |
| 135 | * @regs: memory mapped io registers. |
| 136 | * @lock: locking of operations. |
| 137 | * @sclk_fimc_clk: fimc source clock. |
| 138 | * @fimc_clk: fimc clock. |
| 139 | * @wb_clk: writeback a clock. |
| 140 | * @wb_b_clk: writeback b clock. |
| 141 | * @sc: scaler infomations. |
| 142 | * @odr: ordering of YUV. |
| 143 | * @ver: fimc version. |
| 144 | * @pol: porarity of writeback. |
| 145 | * @id: fimc id. |
| 146 | * @irq: irq number. |
| 147 | * @suspended: qos operations. |
| 148 | */ |
| 149 | struct fimc_context { |
| 150 | struct exynos_drm_ippdrv ippdrv; |
| 151 | struct resource *regs_res; |
| 152 | void __iomem *regs; |
| 153 | struct mutex lock; |
| 154 | struct clk *sclk_fimc_clk; |
| 155 | struct clk *fimc_clk; |
| 156 | struct clk *wb_clk; |
| 157 | struct clk *wb_b_clk; |
| 158 | struct fimc_scaler sc; |
| 159 | struct fimc_driverdata *ddata; |
| 160 | struct exynos_drm_ipp_pol pol; |
| 161 | int id; |
| 162 | int irq; |
| 163 | bool suspended; |
| 164 | }; |
| 165 | |
JoongMock Shin | b5c0b55 | 2012-12-22 17:49:27 +0900 | [diff] [blame^] | 166 | static void fimc_sw_reset(struct fimc_context *ctx) |
Eunchul Kim | 16102ed | 2012-12-14 17:58:55 +0900 | [diff] [blame] | 167 | { |
| 168 | u32 cfg; |
| 169 | |
JoongMock Shin | b5c0b55 | 2012-12-22 17:49:27 +0900 | [diff] [blame^] | 170 | DRM_DEBUG_KMS("%s\n", __func__); |
Eunchul Kim | 16102ed | 2012-12-14 17:58:55 +0900 | [diff] [blame] | 171 | |
| 172 | cfg = fimc_read(EXYNOS_CISRCFMT); |
| 173 | cfg |= EXYNOS_CISRCFMT_ITU601_8BIT; |
Eunchul Kim | 16102ed | 2012-12-14 17:58:55 +0900 | [diff] [blame] | 174 | fimc_write(cfg, EXYNOS_CISRCFMT); |
| 175 | |
| 176 | /* s/w reset */ |
| 177 | cfg = fimc_read(EXYNOS_CIGCTRL); |
| 178 | cfg |= (EXYNOS_CIGCTRL_SWRST); |
| 179 | fimc_write(cfg, EXYNOS_CIGCTRL); |
| 180 | |
| 181 | /* s/w reset complete */ |
| 182 | cfg = fimc_read(EXYNOS_CIGCTRL); |
| 183 | cfg &= ~EXYNOS_CIGCTRL_SWRST; |
| 184 | fimc_write(cfg, EXYNOS_CIGCTRL); |
| 185 | |
| 186 | /* reset sequence */ |
| 187 | fimc_write(0x0, EXYNOS_CIFCNTSEQ); |
| 188 | } |
| 189 | |
| 190 | static void fimc_set_camblk_fimd0_wb(struct fimc_context *ctx) |
| 191 | { |
| 192 | u32 camblk_cfg; |
| 193 | |
| 194 | DRM_DEBUG_KMS("%s\n", __func__); |
| 195 | |
| 196 | camblk_cfg = readl(SYSREG_CAMERA_BLK); |
| 197 | camblk_cfg &= ~(SYSREG_FIMD0WB_DEST_MASK); |
| 198 | camblk_cfg |= ctx->id << (SYSREG_FIMD0WB_DEST_SHIFT); |
| 199 | |
| 200 | writel(camblk_cfg, SYSREG_CAMERA_BLK); |
| 201 | } |
| 202 | |
| 203 | static void fimc_set_type_ctrl(struct fimc_context *ctx, enum fimc_wb wb) |
| 204 | { |
| 205 | u32 cfg; |
| 206 | |
| 207 | DRM_DEBUG_KMS("%s:wb[%d]\n", __func__, wb); |
| 208 | |
| 209 | cfg = fimc_read(EXYNOS_CIGCTRL); |
| 210 | cfg &= ~(EXYNOS_CIGCTRL_TESTPATTERN_MASK | |
| 211 | EXYNOS_CIGCTRL_SELCAM_ITU_MASK | |
| 212 | EXYNOS_CIGCTRL_SELCAM_MIPI_MASK | |
| 213 | EXYNOS_CIGCTRL_SELCAM_FIMC_MASK | |
| 214 | EXYNOS_CIGCTRL_SELWB_CAMIF_MASK | |
| 215 | EXYNOS_CIGCTRL_SELWRITEBACK_MASK); |
| 216 | |
| 217 | switch (wb) { |
| 218 | case FIMC_WB_A: |
| 219 | cfg |= (EXYNOS_CIGCTRL_SELWRITEBACK_A | |
| 220 | EXYNOS_CIGCTRL_SELWB_CAMIF_WRITEBACK); |
| 221 | break; |
| 222 | case FIMC_WB_B: |
| 223 | cfg |= (EXYNOS_CIGCTRL_SELWRITEBACK_B | |
| 224 | EXYNOS_CIGCTRL_SELWB_CAMIF_WRITEBACK); |
| 225 | break; |
| 226 | case FIMC_WB_NONE: |
| 227 | default: |
| 228 | cfg |= (EXYNOS_CIGCTRL_SELCAM_ITU_A | |
| 229 | EXYNOS_CIGCTRL_SELWRITEBACK_A | |
| 230 | EXYNOS_CIGCTRL_SELCAM_MIPI_A | |
| 231 | EXYNOS_CIGCTRL_SELCAM_FIMC_ITU); |
| 232 | break; |
| 233 | } |
| 234 | |
| 235 | fimc_write(cfg, EXYNOS_CIGCTRL); |
| 236 | } |
| 237 | |
| 238 | static void fimc_set_polarity(struct fimc_context *ctx, |
| 239 | struct exynos_drm_ipp_pol *pol) |
| 240 | { |
| 241 | u32 cfg; |
| 242 | |
| 243 | DRM_DEBUG_KMS("%s:inv_pclk[%d]inv_vsync[%d]\n", |
| 244 | __func__, pol->inv_pclk, pol->inv_vsync); |
| 245 | DRM_DEBUG_KMS("%s:inv_href[%d]inv_hsync[%d]\n", |
| 246 | __func__, pol->inv_href, pol->inv_hsync); |
| 247 | |
| 248 | cfg = fimc_read(EXYNOS_CIGCTRL); |
| 249 | cfg &= ~(EXYNOS_CIGCTRL_INVPOLPCLK | EXYNOS_CIGCTRL_INVPOLVSYNC | |
| 250 | EXYNOS_CIGCTRL_INVPOLHREF | EXYNOS_CIGCTRL_INVPOLHSYNC); |
| 251 | |
| 252 | if (pol->inv_pclk) |
| 253 | cfg |= EXYNOS_CIGCTRL_INVPOLPCLK; |
| 254 | if (pol->inv_vsync) |
| 255 | cfg |= EXYNOS_CIGCTRL_INVPOLVSYNC; |
| 256 | if (pol->inv_href) |
| 257 | cfg |= EXYNOS_CIGCTRL_INVPOLHREF; |
| 258 | if (pol->inv_hsync) |
| 259 | cfg |= EXYNOS_CIGCTRL_INVPOLHSYNC; |
| 260 | |
| 261 | fimc_write(cfg, EXYNOS_CIGCTRL); |
| 262 | } |
| 263 | |
| 264 | static void fimc_handle_jpeg(struct fimc_context *ctx, bool enable) |
| 265 | { |
| 266 | u32 cfg; |
| 267 | |
| 268 | DRM_DEBUG_KMS("%s:enable[%d]\n", __func__, enable); |
| 269 | |
| 270 | cfg = fimc_read(EXYNOS_CIGCTRL); |
| 271 | if (enable) |
| 272 | cfg |= EXYNOS_CIGCTRL_CAM_JPEG; |
| 273 | else |
| 274 | cfg &= ~EXYNOS_CIGCTRL_CAM_JPEG; |
| 275 | |
| 276 | fimc_write(cfg, EXYNOS_CIGCTRL); |
| 277 | } |
| 278 | |
| 279 | static void fimc_handle_irq(struct fimc_context *ctx, bool enable, |
| 280 | bool overflow, bool level) |
| 281 | { |
| 282 | u32 cfg; |
| 283 | |
| 284 | DRM_DEBUG_KMS("%s:enable[%d]overflow[%d]level[%d]\n", __func__, |
| 285 | enable, overflow, level); |
| 286 | |
| 287 | cfg = fimc_read(EXYNOS_CIGCTRL); |
| 288 | if (enable) { |
| 289 | cfg &= ~(EXYNOS_CIGCTRL_IRQ_OVFEN | EXYNOS_CIGCTRL_IRQ_LEVEL); |
| 290 | cfg |= EXYNOS_CIGCTRL_IRQ_ENABLE; |
| 291 | if (overflow) |
| 292 | cfg |= EXYNOS_CIGCTRL_IRQ_OVFEN; |
| 293 | if (level) |
| 294 | cfg |= EXYNOS_CIGCTRL_IRQ_LEVEL; |
| 295 | } else |
| 296 | cfg &= ~(EXYNOS_CIGCTRL_IRQ_OVFEN | EXYNOS_CIGCTRL_IRQ_ENABLE); |
| 297 | |
| 298 | fimc_write(cfg, EXYNOS_CIGCTRL); |
| 299 | } |
| 300 | |
| 301 | static void fimc_clear_irq(struct fimc_context *ctx) |
| 302 | { |
| 303 | u32 cfg; |
| 304 | |
| 305 | DRM_DEBUG_KMS("%s\n", __func__); |
| 306 | |
| 307 | cfg = fimc_read(EXYNOS_CIGCTRL); |
| 308 | cfg |= EXYNOS_CIGCTRL_IRQ_CLR; |
| 309 | fimc_write(cfg, EXYNOS_CIGCTRL); |
| 310 | } |
| 311 | |
| 312 | static bool fimc_check_ovf(struct fimc_context *ctx) |
| 313 | { |
| 314 | struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv; |
| 315 | u32 cfg, status, flag; |
| 316 | |
| 317 | status = fimc_read(EXYNOS_CISTATUS); |
| 318 | flag = EXYNOS_CISTATUS_OVFIY | EXYNOS_CISTATUS_OVFICB | |
| 319 | EXYNOS_CISTATUS_OVFICR; |
| 320 | |
| 321 | DRM_DEBUG_KMS("%s:flag[0x%x]\n", __func__, flag); |
| 322 | |
| 323 | if (status & flag) { |
| 324 | cfg = fimc_read(EXYNOS_CIWDOFST); |
| 325 | cfg |= (EXYNOS_CIWDOFST_CLROVFIY | EXYNOS_CIWDOFST_CLROVFICB | |
| 326 | EXYNOS_CIWDOFST_CLROVFICR); |
| 327 | |
| 328 | fimc_write(cfg, EXYNOS_CIWDOFST); |
| 329 | |
| 330 | cfg = fimc_read(EXYNOS_CIWDOFST); |
| 331 | cfg &= ~(EXYNOS_CIWDOFST_CLROVFIY | EXYNOS_CIWDOFST_CLROVFICB | |
| 332 | EXYNOS_CIWDOFST_CLROVFICR); |
| 333 | |
| 334 | fimc_write(cfg, EXYNOS_CIWDOFST); |
| 335 | |
| 336 | dev_err(ippdrv->dev, "occured overflow at %d, status 0x%x.\n", |
| 337 | ctx->id, status); |
| 338 | return true; |
| 339 | } |
| 340 | |
| 341 | return false; |
| 342 | } |
| 343 | |
| 344 | static bool fimc_check_frame_end(struct fimc_context *ctx) |
| 345 | { |
| 346 | u32 cfg; |
| 347 | |
| 348 | cfg = fimc_read(EXYNOS_CISTATUS); |
| 349 | |
| 350 | DRM_DEBUG_KMS("%s:cfg[0x%x]\n", __func__, cfg); |
| 351 | |
| 352 | if (!(cfg & EXYNOS_CISTATUS_FRAMEEND)) |
| 353 | return false; |
| 354 | |
| 355 | cfg &= ~(EXYNOS_CISTATUS_FRAMEEND); |
| 356 | fimc_write(cfg, EXYNOS_CISTATUS); |
| 357 | |
| 358 | return true; |
| 359 | } |
| 360 | |
| 361 | static int fimc_get_buf_id(struct fimc_context *ctx) |
| 362 | { |
| 363 | u32 cfg; |
| 364 | int frame_cnt, buf_id; |
| 365 | |
| 366 | DRM_DEBUG_KMS("%s\n", __func__); |
| 367 | |
| 368 | cfg = fimc_read(EXYNOS_CISTATUS2); |
| 369 | frame_cnt = EXYNOS_CISTATUS2_GET_FRAMECOUNT_BEFORE(cfg); |
| 370 | |
| 371 | if (frame_cnt == 0) |
| 372 | frame_cnt = EXYNOS_CISTATUS2_GET_FRAMECOUNT_PRESENT(cfg); |
| 373 | |
| 374 | DRM_DEBUG_KMS("%s:present[%d]before[%d]\n", __func__, |
| 375 | EXYNOS_CISTATUS2_GET_FRAMECOUNT_PRESENT(cfg), |
| 376 | EXYNOS_CISTATUS2_GET_FRAMECOUNT_BEFORE(cfg)); |
| 377 | |
| 378 | if (frame_cnt == 0) { |
| 379 | DRM_ERROR("failed to get frame count.\n"); |
| 380 | return -EIO; |
| 381 | } |
| 382 | |
| 383 | buf_id = frame_cnt - 1; |
| 384 | DRM_DEBUG_KMS("%s:buf_id[%d]\n", __func__, buf_id); |
| 385 | |
| 386 | return buf_id; |
| 387 | } |
| 388 | |
| 389 | static void fimc_handle_lastend(struct fimc_context *ctx, bool enable) |
| 390 | { |
| 391 | u32 cfg; |
| 392 | |
| 393 | DRM_DEBUG_KMS("%s:enable[%d]\n", __func__, enable); |
| 394 | |
| 395 | cfg = fimc_read(EXYNOS_CIOCTRL); |
| 396 | if (enable) |
| 397 | cfg |= EXYNOS_CIOCTRL_LASTENDEN; |
| 398 | else |
| 399 | cfg &= ~EXYNOS_CIOCTRL_LASTENDEN; |
| 400 | |
| 401 | fimc_write(cfg, EXYNOS_CIOCTRL); |
| 402 | } |
| 403 | |
| 404 | |
| 405 | static int fimc_src_set_fmt_order(struct fimc_context *ctx, u32 fmt) |
| 406 | { |
| 407 | struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv; |
| 408 | u32 cfg; |
| 409 | |
| 410 | DRM_DEBUG_KMS("%s:fmt[0x%x]\n", __func__, fmt); |
| 411 | |
| 412 | /* RGB */ |
| 413 | cfg = fimc_read(EXYNOS_CISCCTRL); |
| 414 | cfg &= ~EXYNOS_CISCCTRL_INRGB_FMT_RGB_MASK; |
| 415 | |
| 416 | switch (fmt) { |
| 417 | case DRM_FORMAT_RGB565: |
| 418 | cfg |= EXYNOS_CISCCTRL_INRGB_FMT_RGB565; |
| 419 | fimc_write(cfg, EXYNOS_CISCCTRL); |
| 420 | return 0; |
| 421 | case DRM_FORMAT_RGB888: |
| 422 | case DRM_FORMAT_XRGB8888: |
| 423 | cfg |= EXYNOS_CISCCTRL_INRGB_FMT_RGB888; |
| 424 | fimc_write(cfg, EXYNOS_CISCCTRL); |
| 425 | return 0; |
| 426 | default: |
| 427 | /* bypass */ |
| 428 | break; |
| 429 | } |
| 430 | |
| 431 | /* YUV */ |
| 432 | cfg = fimc_read(EXYNOS_MSCTRL); |
| 433 | cfg &= ~(EXYNOS_MSCTRL_ORDER2P_SHIFT_MASK | |
| 434 | EXYNOS_MSCTRL_C_INT_IN_2PLANE | |
| 435 | EXYNOS_MSCTRL_ORDER422_YCBYCR); |
| 436 | |
| 437 | switch (fmt) { |
| 438 | case DRM_FORMAT_YUYV: |
| 439 | cfg |= EXYNOS_MSCTRL_ORDER422_YCBYCR; |
| 440 | break; |
| 441 | case DRM_FORMAT_YVYU: |
| 442 | cfg |= EXYNOS_MSCTRL_ORDER422_YCRYCB; |
| 443 | break; |
| 444 | case DRM_FORMAT_UYVY: |
| 445 | cfg |= EXYNOS_MSCTRL_ORDER422_CBYCRY; |
| 446 | break; |
| 447 | case DRM_FORMAT_VYUY: |
| 448 | case DRM_FORMAT_YUV444: |
| 449 | cfg |= EXYNOS_MSCTRL_ORDER422_CRYCBY; |
| 450 | break; |
| 451 | case DRM_FORMAT_NV21: |
| 452 | case DRM_FORMAT_NV61: |
| 453 | cfg |= (EXYNOS_MSCTRL_ORDER2P_LSB_CRCB | |
| 454 | EXYNOS_MSCTRL_C_INT_IN_2PLANE); |
| 455 | break; |
| 456 | case DRM_FORMAT_YUV422: |
| 457 | case DRM_FORMAT_YUV420: |
| 458 | case DRM_FORMAT_YVU420: |
| 459 | cfg |= EXYNOS_MSCTRL_C_INT_IN_3PLANE; |
| 460 | break; |
| 461 | case DRM_FORMAT_NV12: |
| 462 | case DRM_FORMAT_NV12MT: |
| 463 | case DRM_FORMAT_NV16: |
| 464 | cfg |= (EXYNOS_MSCTRL_ORDER2P_LSB_CBCR | |
| 465 | EXYNOS_MSCTRL_C_INT_IN_2PLANE); |
| 466 | break; |
| 467 | default: |
| 468 | dev_err(ippdrv->dev, "inavlid source yuv order 0x%x.\n", fmt); |
| 469 | return -EINVAL; |
| 470 | } |
| 471 | |
| 472 | fimc_write(cfg, EXYNOS_MSCTRL); |
| 473 | |
| 474 | return 0; |
| 475 | } |
| 476 | |
| 477 | static int fimc_src_set_fmt(struct device *dev, u32 fmt) |
| 478 | { |
| 479 | struct fimc_context *ctx = get_fimc_context(dev); |
| 480 | struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv; |
| 481 | u32 cfg; |
| 482 | |
| 483 | DRM_DEBUG_KMS("%s:fmt[0x%x]\n", __func__, fmt); |
| 484 | |
| 485 | cfg = fimc_read(EXYNOS_MSCTRL); |
| 486 | cfg &= ~EXYNOS_MSCTRL_INFORMAT_RGB; |
| 487 | |
| 488 | switch (fmt) { |
| 489 | case DRM_FORMAT_RGB565: |
| 490 | case DRM_FORMAT_RGB888: |
| 491 | case DRM_FORMAT_XRGB8888: |
| 492 | cfg |= EXYNOS_MSCTRL_INFORMAT_RGB; |
| 493 | break; |
| 494 | case DRM_FORMAT_YUV444: |
| 495 | cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR420; |
| 496 | break; |
| 497 | case DRM_FORMAT_YUYV: |
| 498 | case DRM_FORMAT_YVYU: |
| 499 | case DRM_FORMAT_UYVY: |
| 500 | case DRM_FORMAT_VYUY: |
| 501 | cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR422_1PLANE; |
| 502 | break; |
| 503 | case DRM_FORMAT_NV16: |
| 504 | case DRM_FORMAT_NV61: |
| 505 | case DRM_FORMAT_YUV422: |
| 506 | cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR422; |
| 507 | break; |
| 508 | case DRM_FORMAT_YUV420: |
| 509 | case DRM_FORMAT_YVU420: |
| 510 | case DRM_FORMAT_NV12: |
| 511 | case DRM_FORMAT_NV21: |
| 512 | case DRM_FORMAT_NV12MT: |
| 513 | cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR420; |
| 514 | break; |
| 515 | default: |
| 516 | dev_err(ippdrv->dev, "inavlid source format 0x%x.\n", fmt); |
| 517 | return -EINVAL; |
| 518 | } |
| 519 | |
| 520 | fimc_write(cfg, EXYNOS_MSCTRL); |
| 521 | |
| 522 | cfg = fimc_read(EXYNOS_CIDMAPARAM); |
| 523 | cfg &= ~EXYNOS_CIDMAPARAM_R_MODE_MASK; |
| 524 | |
| 525 | if (fmt == DRM_FORMAT_NV12MT) |
| 526 | cfg |= EXYNOS_CIDMAPARAM_R_MODE_64X32; |
| 527 | else |
| 528 | cfg |= EXYNOS_CIDMAPARAM_R_MODE_LINEAR; |
| 529 | |
| 530 | fimc_write(cfg, EXYNOS_CIDMAPARAM); |
| 531 | |
| 532 | return fimc_src_set_fmt_order(ctx, fmt); |
| 533 | } |
| 534 | |
| 535 | static int fimc_src_set_transf(struct device *dev, |
| 536 | enum drm_exynos_degree degree, |
| 537 | enum drm_exynos_flip flip, bool *swap) |
| 538 | { |
| 539 | struct fimc_context *ctx = get_fimc_context(dev); |
| 540 | struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv; |
| 541 | u32 cfg1, cfg2; |
| 542 | |
| 543 | DRM_DEBUG_KMS("%s:degree[%d]flip[0x%x]\n", __func__, |
| 544 | degree, flip); |
| 545 | |
| 546 | cfg1 = fimc_read(EXYNOS_MSCTRL); |
| 547 | cfg1 &= ~(EXYNOS_MSCTRL_FLIP_X_MIRROR | |
| 548 | EXYNOS_MSCTRL_FLIP_Y_MIRROR); |
| 549 | |
| 550 | cfg2 = fimc_read(EXYNOS_CITRGFMT); |
| 551 | cfg2 &= ~EXYNOS_CITRGFMT_INROT90_CLOCKWISE; |
| 552 | |
| 553 | switch (degree) { |
| 554 | case EXYNOS_DRM_DEGREE_0: |
| 555 | if (flip & EXYNOS_DRM_FLIP_VERTICAL) |
| 556 | cfg1 |= EXYNOS_MSCTRL_FLIP_X_MIRROR; |
| 557 | if (flip & EXYNOS_DRM_FLIP_HORIZONTAL) |
| 558 | cfg1 |= EXYNOS_MSCTRL_FLIP_Y_MIRROR; |
| 559 | break; |
| 560 | case EXYNOS_DRM_DEGREE_90: |
| 561 | cfg2 |= EXYNOS_CITRGFMT_INROT90_CLOCKWISE; |
| 562 | if (flip & EXYNOS_DRM_FLIP_VERTICAL) |
| 563 | cfg1 |= EXYNOS_MSCTRL_FLIP_X_MIRROR; |
| 564 | if (flip & EXYNOS_DRM_FLIP_HORIZONTAL) |
| 565 | cfg1 |= EXYNOS_MSCTRL_FLIP_Y_MIRROR; |
| 566 | break; |
| 567 | case EXYNOS_DRM_DEGREE_180: |
| 568 | cfg1 |= (EXYNOS_MSCTRL_FLIP_X_MIRROR | |
| 569 | EXYNOS_MSCTRL_FLIP_Y_MIRROR); |
| 570 | if (flip & EXYNOS_DRM_FLIP_VERTICAL) |
| 571 | cfg1 &= ~EXYNOS_MSCTRL_FLIP_X_MIRROR; |
| 572 | if (flip & EXYNOS_DRM_FLIP_HORIZONTAL) |
| 573 | cfg1 &= ~EXYNOS_MSCTRL_FLIP_Y_MIRROR; |
| 574 | break; |
| 575 | case EXYNOS_DRM_DEGREE_270: |
| 576 | cfg1 |= (EXYNOS_MSCTRL_FLIP_X_MIRROR | |
| 577 | EXYNOS_MSCTRL_FLIP_Y_MIRROR); |
| 578 | cfg2 |= EXYNOS_CITRGFMT_INROT90_CLOCKWISE; |
| 579 | if (flip & EXYNOS_DRM_FLIP_VERTICAL) |
| 580 | cfg1 &= ~EXYNOS_MSCTRL_FLIP_X_MIRROR; |
| 581 | if (flip & EXYNOS_DRM_FLIP_HORIZONTAL) |
| 582 | cfg1 &= ~EXYNOS_MSCTRL_FLIP_Y_MIRROR; |
| 583 | break; |
| 584 | default: |
| 585 | dev_err(ippdrv->dev, "inavlid degree value %d.\n", degree); |
| 586 | return -EINVAL; |
| 587 | } |
| 588 | |
| 589 | fimc_write(cfg1, EXYNOS_MSCTRL); |
| 590 | fimc_write(cfg2, EXYNOS_CITRGFMT); |
| 591 | *swap = (cfg2 & EXYNOS_CITRGFMT_INROT90_CLOCKWISE) ? 1 : 0; |
| 592 | |
| 593 | return 0; |
| 594 | } |
| 595 | |
| 596 | static int fimc_set_window(struct fimc_context *ctx, |
| 597 | struct drm_exynos_pos *pos, struct drm_exynos_sz *sz) |
| 598 | { |
| 599 | u32 cfg, h1, h2, v1, v2; |
| 600 | |
| 601 | /* cropped image */ |
| 602 | h1 = pos->x; |
| 603 | h2 = sz->hsize - pos->w - pos->x; |
| 604 | v1 = pos->y; |
| 605 | v2 = sz->vsize - pos->h - pos->y; |
| 606 | |
| 607 | DRM_DEBUG_KMS("%s:x[%d]y[%d]w[%d]h[%d]hsize[%d]vsize[%d]\n", |
| 608 | __func__, pos->x, pos->y, pos->w, pos->h, sz->hsize, sz->vsize); |
| 609 | DRM_DEBUG_KMS("%s:h1[%d]h2[%d]v1[%d]v2[%d]\n", __func__, |
| 610 | h1, h2, v1, v2); |
| 611 | |
| 612 | /* |
| 613 | * set window offset 1, 2 size |
| 614 | * check figure 43-21 in user manual |
| 615 | */ |
| 616 | cfg = fimc_read(EXYNOS_CIWDOFST); |
| 617 | cfg &= ~(EXYNOS_CIWDOFST_WINHOROFST_MASK | |
| 618 | EXYNOS_CIWDOFST_WINVEROFST_MASK); |
| 619 | cfg |= (EXYNOS_CIWDOFST_WINHOROFST(h1) | |
| 620 | EXYNOS_CIWDOFST_WINVEROFST(v1)); |
| 621 | cfg |= EXYNOS_CIWDOFST_WINOFSEN; |
| 622 | fimc_write(cfg, EXYNOS_CIWDOFST); |
| 623 | |
| 624 | cfg = (EXYNOS_CIWDOFST2_WINHOROFST2(h2) | |
| 625 | EXYNOS_CIWDOFST2_WINVEROFST2(v2)); |
| 626 | fimc_write(cfg, EXYNOS_CIWDOFST2); |
| 627 | |
| 628 | return 0; |
| 629 | } |
| 630 | |
| 631 | static int fimc_src_set_size(struct device *dev, int swap, |
| 632 | struct drm_exynos_pos *pos, struct drm_exynos_sz *sz) |
| 633 | { |
| 634 | struct fimc_context *ctx = get_fimc_context(dev); |
| 635 | struct drm_exynos_pos img_pos = *pos; |
| 636 | struct drm_exynos_sz img_sz = *sz; |
| 637 | u32 cfg; |
| 638 | |
| 639 | DRM_DEBUG_KMS("%s:swap[%d]hsize[%d]vsize[%d]\n", |
| 640 | __func__, swap, sz->hsize, sz->vsize); |
| 641 | |
| 642 | /* original size */ |
| 643 | cfg = (EXYNOS_ORGISIZE_HORIZONTAL(img_sz.hsize) | |
| 644 | EXYNOS_ORGISIZE_VERTICAL(img_sz.vsize)); |
| 645 | |
| 646 | fimc_write(cfg, EXYNOS_ORGISIZE); |
| 647 | |
| 648 | DRM_DEBUG_KMS("%s:x[%d]y[%d]w[%d]h[%d]\n", __func__, |
| 649 | pos->x, pos->y, pos->w, pos->h); |
| 650 | |
| 651 | if (swap) { |
| 652 | img_pos.w = pos->h; |
| 653 | img_pos.h = pos->w; |
| 654 | img_sz.hsize = sz->vsize; |
| 655 | img_sz.vsize = sz->hsize; |
| 656 | } |
| 657 | |
| 658 | /* set input DMA image size */ |
| 659 | cfg = fimc_read(EXYNOS_CIREAL_ISIZE); |
| 660 | cfg &= ~(EXYNOS_CIREAL_ISIZE_HEIGHT_MASK | |
| 661 | EXYNOS_CIREAL_ISIZE_WIDTH_MASK); |
| 662 | cfg |= (EXYNOS_CIREAL_ISIZE_WIDTH(img_pos.w) | |
| 663 | EXYNOS_CIREAL_ISIZE_HEIGHT(img_pos.h)); |
| 664 | fimc_write(cfg, EXYNOS_CIREAL_ISIZE); |
| 665 | |
| 666 | /* |
| 667 | * set input FIFO image size |
| 668 | * for now, we support only ITU601 8 bit mode |
| 669 | */ |
| 670 | cfg = (EXYNOS_CISRCFMT_ITU601_8BIT | |
| 671 | EXYNOS_CISRCFMT_SOURCEHSIZE(img_sz.hsize) | |
| 672 | EXYNOS_CISRCFMT_SOURCEVSIZE(img_sz.vsize)); |
| 673 | fimc_write(cfg, EXYNOS_CISRCFMT); |
| 674 | |
| 675 | /* offset Y(RGB), Cb, Cr */ |
| 676 | cfg = (EXYNOS_CIIYOFF_HORIZONTAL(img_pos.x) | |
| 677 | EXYNOS_CIIYOFF_VERTICAL(img_pos.y)); |
| 678 | fimc_write(cfg, EXYNOS_CIIYOFF); |
| 679 | cfg = (EXYNOS_CIICBOFF_HORIZONTAL(img_pos.x) | |
| 680 | EXYNOS_CIICBOFF_VERTICAL(img_pos.y)); |
| 681 | fimc_write(cfg, EXYNOS_CIICBOFF); |
| 682 | cfg = (EXYNOS_CIICROFF_HORIZONTAL(img_pos.x) | |
| 683 | EXYNOS_CIICROFF_VERTICAL(img_pos.y)); |
| 684 | fimc_write(cfg, EXYNOS_CIICROFF); |
| 685 | |
| 686 | return fimc_set_window(ctx, &img_pos, &img_sz); |
| 687 | } |
| 688 | |
| 689 | static int fimc_src_set_addr(struct device *dev, |
| 690 | struct drm_exynos_ipp_buf_info *buf_info, u32 buf_id, |
| 691 | enum drm_exynos_ipp_buf_type buf_type) |
| 692 | { |
| 693 | struct fimc_context *ctx = get_fimc_context(dev); |
| 694 | struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv; |
Eunchul Kim | 7259c3d | 2012-12-22 17:49:22 +0900 | [diff] [blame] | 695 | struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node; |
Eunchul Kim | 16102ed | 2012-12-14 17:58:55 +0900 | [diff] [blame] | 696 | struct drm_exynos_ipp_property *property; |
| 697 | struct drm_exynos_ipp_config *config; |
| 698 | |
| 699 | if (!c_node) { |
| 700 | DRM_ERROR("failed to get c_node.\n"); |
| 701 | return -EINVAL; |
| 702 | } |
| 703 | |
| 704 | property = &c_node->property; |
Eunchul Kim | 16102ed | 2012-12-14 17:58:55 +0900 | [diff] [blame] | 705 | |
| 706 | DRM_DEBUG_KMS("%s:prop_id[%d]buf_id[%d]buf_type[%d]\n", __func__, |
| 707 | property->prop_id, buf_id, buf_type); |
| 708 | |
| 709 | if (buf_id > FIMC_MAX_SRC) { |
| 710 | dev_info(ippdrv->dev, "inavlid buf_id %d.\n", buf_id); |
| 711 | return -ENOMEM; |
| 712 | } |
| 713 | |
| 714 | /* address register set */ |
| 715 | switch (buf_type) { |
| 716 | case IPP_BUF_ENQUEUE: |
| 717 | config = &property->config[EXYNOS_DRM_OPS_SRC]; |
| 718 | fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_Y], |
| 719 | EXYNOS_CIIYSA(buf_id)); |
| 720 | |
| 721 | if (config->fmt == DRM_FORMAT_YVU420) { |
| 722 | fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CR], |
| 723 | EXYNOS_CIICBSA(buf_id)); |
| 724 | fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CB], |
| 725 | EXYNOS_CIICRSA(buf_id)); |
| 726 | } else { |
| 727 | fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CB], |
| 728 | EXYNOS_CIICBSA(buf_id)); |
| 729 | fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CR], |
| 730 | EXYNOS_CIICRSA(buf_id)); |
| 731 | } |
| 732 | break; |
| 733 | case IPP_BUF_DEQUEUE: |
| 734 | fimc_write(0x0, EXYNOS_CIIYSA(buf_id)); |
| 735 | fimc_write(0x0, EXYNOS_CIICBSA(buf_id)); |
| 736 | fimc_write(0x0, EXYNOS_CIICRSA(buf_id)); |
| 737 | break; |
| 738 | default: |
| 739 | /* bypass */ |
| 740 | break; |
| 741 | } |
| 742 | |
| 743 | return 0; |
| 744 | } |
| 745 | |
| 746 | static struct exynos_drm_ipp_ops fimc_src_ops = { |
| 747 | .set_fmt = fimc_src_set_fmt, |
| 748 | .set_transf = fimc_src_set_transf, |
| 749 | .set_size = fimc_src_set_size, |
| 750 | .set_addr = fimc_src_set_addr, |
| 751 | }; |
| 752 | |
| 753 | static int fimc_dst_set_fmt_order(struct fimc_context *ctx, u32 fmt) |
| 754 | { |
| 755 | struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv; |
| 756 | u32 cfg; |
| 757 | |
| 758 | DRM_DEBUG_KMS("%s:fmt[0x%x]\n", __func__, fmt); |
| 759 | |
| 760 | /* RGB */ |
| 761 | cfg = fimc_read(EXYNOS_CISCCTRL); |
| 762 | cfg &= ~EXYNOS_CISCCTRL_OUTRGB_FMT_RGB_MASK; |
| 763 | |
| 764 | switch (fmt) { |
| 765 | case DRM_FORMAT_RGB565: |
| 766 | cfg |= EXYNOS_CISCCTRL_OUTRGB_FMT_RGB565; |
| 767 | fimc_write(cfg, EXYNOS_CISCCTRL); |
| 768 | return 0; |
| 769 | case DRM_FORMAT_RGB888: |
| 770 | cfg |= EXYNOS_CISCCTRL_OUTRGB_FMT_RGB888; |
| 771 | fimc_write(cfg, EXYNOS_CISCCTRL); |
| 772 | return 0; |
| 773 | case DRM_FORMAT_XRGB8888: |
| 774 | cfg |= (EXYNOS_CISCCTRL_OUTRGB_FMT_RGB888 | |
| 775 | EXYNOS_CISCCTRL_EXTRGB_EXTENSION); |
| 776 | fimc_write(cfg, EXYNOS_CISCCTRL); |
| 777 | break; |
| 778 | default: |
| 779 | /* bypass */ |
| 780 | break; |
| 781 | } |
| 782 | |
| 783 | /* YUV */ |
| 784 | cfg = fimc_read(EXYNOS_CIOCTRL); |
| 785 | cfg &= ~(EXYNOS_CIOCTRL_ORDER2P_MASK | |
| 786 | EXYNOS_CIOCTRL_ORDER422_MASK | |
| 787 | EXYNOS_CIOCTRL_YCBCR_PLANE_MASK); |
| 788 | |
| 789 | switch (fmt) { |
| 790 | case DRM_FORMAT_XRGB8888: |
| 791 | cfg |= EXYNOS_CIOCTRL_ALPHA_OUT; |
| 792 | break; |
| 793 | case DRM_FORMAT_YUYV: |
| 794 | cfg |= EXYNOS_CIOCTRL_ORDER422_YCBYCR; |
| 795 | break; |
| 796 | case DRM_FORMAT_YVYU: |
| 797 | cfg |= EXYNOS_CIOCTRL_ORDER422_YCRYCB; |
| 798 | break; |
| 799 | case DRM_FORMAT_UYVY: |
| 800 | cfg |= EXYNOS_CIOCTRL_ORDER422_CBYCRY; |
| 801 | break; |
| 802 | case DRM_FORMAT_VYUY: |
| 803 | cfg |= EXYNOS_CIOCTRL_ORDER422_CRYCBY; |
| 804 | break; |
| 805 | case DRM_FORMAT_NV21: |
| 806 | case DRM_FORMAT_NV61: |
| 807 | cfg |= EXYNOS_CIOCTRL_ORDER2P_LSB_CRCB; |
| 808 | cfg |= EXYNOS_CIOCTRL_YCBCR_2PLANE; |
| 809 | break; |
| 810 | case DRM_FORMAT_YUV422: |
| 811 | case DRM_FORMAT_YUV420: |
| 812 | case DRM_FORMAT_YVU420: |
| 813 | cfg |= EXYNOS_CIOCTRL_YCBCR_3PLANE; |
| 814 | break; |
| 815 | case DRM_FORMAT_NV12: |
| 816 | case DRM_FORMAT_NV12MT: |
| 817 | case DRM_FORMAT_NV16: |
| 818 | cfg |= EXYNOS_CIOCTRL_ORDER2P_LSB_CBCR; |
| 819 | cfg |= EXYNOS_CIOCTRL_YCBCR_2PLANE; |
| 820 | break; |
| 821 | default: |
| 822 | dev_err(ippdrv->dev, "inavlid target yuv order 0x%x.\n", fmt); |
| 823 | return -EINVAL; |
| 824 | } |
| 825 | |
| 826 | fimc_write(cfg, EXYNOS_CIOCTRL); |
| 827 | |
| 828 | return 0; |
| 829 | } |
| 830 | |
| 831 | static int fimc_dst_set_fmt(struct device *dev, u32 fmt) |
| 832 | { |
| 833 | struct fimc_context *ctx = get_fimc_context(dev); |
| 834 | struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv; |
| 835 | u32 cfg; |
| 836 | |
| 837 | DRM_DEBUG_KMS("%s:fmt[0x%x]\n", __func__, fmt); |
| 838 | |
| 839 | cfg = fimc_read(EXYNOS_CIEXTEN); |
| 840 | |
| 841 | if (fmt == DRM_FORMAT_AYUV) { |
| 842 | cfg |= EXYNOS_CIEXTEN_YUV444_OUT; |
| 843 | fimc_write(cfg, EXYNOS_CIEXTEN); |
| 844 | } else { |
| 845 | cfg &= ~EXYNOS_CIEXTEN_YUV444_OUT; |
| 846 | fimc_write(cfg, EXYNOS_CIEXTEN); |
| 847 | |
| 848 | cfg = fimc_read(EXYNOS_CITRGFMT); |
| 849 | cfg &= ~EXYNOS_CITRGFMT_OUTFORMAT_MASK; |
| 850 | |
| 851 | switch (fmt) { |
| 852 | case DRM_FORMAT_RGB565: |
| 853 | case DRM_FORMAT_RGB888: |
| 854 | case DRM_FORMAT_XRGB8888: |
| 855 | cfg |= EXYNOS_CITRGFMT_OUTFORMAT_RGB; |
| 856 | break; |
| 857 | case DRM_FORMAT_YUYV: |
| 858 | case DRM_FORMAT_YVYU: |
| 859 | case DRM_FORMAT_UYVY: |
| 860 | case DRM_FORMAT_VYUY: |
| 861 | cfg |= EXYNOS_CITRGFMT_OUTFORMAT_YCBCR422_1PLANE; |
| 862 | break; |
| 863 | case DRM_FORMAT_NV16: |
| 864 | case DRM_FORMAT_NV61: |
| 865 | case DRM_FORMAT_YUV422: |
| 866 | cfg |= EXYNOS_CITRGFMT_OUTFORMAT_YCBCR422; |
| 867 | break; |
| 868 | case DRM_FORMAT_YUV420: |
| 869 | case DRM_FORMAT_YVU420: |
| 870 | case DRM_FORMAT_NV12: |
| 871 | case DRM_FORMAT_NV12MT: |
| 872 | case DRM_FORMAT_NV21: |
| 873 | cfg |= EXYNOS_CITRGFMT_OUTFORMAT_YCBCR420; |
| 874 | break; |
| 875 | default: |
| 876 | dev_err(ippdrv->dev, "inavlid target format 0x%x.\n", |
| 877 | fmt); |
| 878 | return -EINVAL; |
| 879 | } |
| 880 | |
| 881 | fimc_write(cfg, EXYNOS_CITRGFMT); |
| 882 | } |
| 883 | |
| 884 | cfg = fimc_read(EXYNOS_CIDMAPARAM); |
| 885 | cfg &= ~EXYNOS_CIDMAPARAM_W_MODE_MASK; |
| 886 | |
| 887 | if (fmt == DRM_FORMAT_NV12MT) |
| 888 | cfg |= EXYNOS_CIDMAPARAM_W_MODE_64X32; |
| 889 | else |
| 890 | cfg |= EXYNOS_CIDMAPARAM_W_MODE_LINEAR; |
| 891 | |
| 892 | fimc_write(cfg, EXYNOS_CIDMAPARAM); |
| 893 | |
| 894 | return fimc_dst_set_fmt_order(ctx, fmt); |
| 895 | } |
| 896 | |
| 897 | static int fimc_dst_set_transf(struct device *dev, |
| 898 | enum drm_exynos_degree degree, |
| 899 | enum drm_exynos_flip flip, bool *swap) |
| 900 | { |
| 901 | struct fimc_context *ctx = get_fimc_context(dev); |
| 902 | struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv; |
| 903 | u32 cfg; |
| 904 | |
| 905 | DRM_DEBUG_KMS("%s:degree[%d]flip[0x%x]\n", __func__, |
| 906 | degree, flip); |
| 907 | |
| 908 | cfg = fimc_read(EXYNOS_CITRGFMT); |
| 909 | cfg &= ~EXYNOS_CITRGFMT_FLIP_MASK; |
| 910 | cfg &= ~EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE; |
| 911 | |
| 912 | switch (degree) { |
| 913 | case EXYNOS_DRM_DEGREE_0: |
| 914 | if (flip & EXYNOS_DRM_FLIP_VERTICAL) |
| 915 | cfg |= EXYNOS_CITRGFMT_FLIP_X_MIRROR; |
| 916 | if (flip & EXYNOS_DRM_FLIP_HORIZONTAL) |
| 917 | cfg |= EXYNOS_CITRGFMT_FLIP_Y_MIRROR; |
| 918 | break; |
| 919 | case EXYNOS_DRM_DEGREE_90: |
| 920 | cfg |= EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE; |
| 921 | if (flip & EXYNOS_DRM_FLIP_VERTICAL) |
| 922 | cfg |= EXYNOS_CITRGFMT_FLIP_X_MIRROR; |
| 923 | if (flip & EXYNOS_DRM_FLIP_HORIZONTAL) |
| 924 | cfg |= EXYNOS_CITRGFMT_FLIP_Y_MIRROR; |
| 925 | break; |
| 926 | case EXYNOS_DRM_DEGREE_180: |
| 927 | cfg |= (EXYNOS_CITRGFMT_FLIP_X_MIRROR | |
| 928 | EXYNOS_CITRGFMT_FLIP_Y_MIRROR); |
| 929 | if (flip & EXYNOS_DRM_FLIP_VERTICAL) |
| 930 | cfg &= ~EXYNOS_CITRGFMT_FLIP_X_MIRROR; |
| 931 | if (flip & EXYNOS_DRM_FLIP_HORIZONTAL) |
| 932 | cfg &= ~EXYNOS_CITRGFMT_FLIP_Y_MIRROR; |
| 933 | break; |
| 934 | case EXYNOS_DRM_DEGREE_270: |
| 935 | cfg |= (EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE | |
| 936 | EXYNOS_CITRGFMT_FLIP_X_MIRROR | |
| 937 | EXYNOS_CITRGFMT_FLIP_Y_MIRROR); |
| 938 | if (flip & EXYNOS_DRM_FLIP_VERTICAL) |
| 939 | cfg &= ~EXYNOS_CITRGFMT_FLIP_X_MIRROR; |
| 940 | if (flip & EXYNOS_DRM_FLIP_HORIZONTAL) |
| 941 | cfg &= ~EXYNOS_CITRGFMT_FLIP_Y_MIRROR; |
| 942 | break; |
| 943 | default: |
| 944 | dev_err(ippdrv->dev, "inavlid degree value %d.\n", degree); |
| 945 | return -EINVAL; |
| 946 | } |
| 947 | |
| 948 | fimc_write(cfg, EXYNOS_CITRGFMT); |
| 949 | *swap = (cfg & EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE) ? 1 : 0; |
| 950 | |
| 951 | return 0; |
| 952 | } |
| 953 | |
| 954 | static int fimc_get_ratio_shift(u32 src, u32 dst, u32 *ratio, u32 *shift) |
| 955 | { |
| 956 | DRM_DEBUG_KMS("%s:src[%d]dst[%d]\n", __func__, src, dst); |
| 957 | |
| 958 | if (src >= dst * 64) { |
| 959 | DRM_ERROR("failed to make ratio and shift.\n"); |
| 960 | return -EINVAL; |
| 961 | } else if (src >= dst * 32) { |
| 962 | *ratio = 32; |
| 963 | *shift = 5; |
| 964 | } else if (src >= dst * 16) { |
| 965 | *ratio = 16; |
| 966 | *shift = 4; |
| 967 | } else if (src >= dst * 8) { |
| 968 | *ratio = 8; |
| 969 | *shift = 3; |
| 970 | } else if (src >= dst * 4) { |
| 971 | *ratio = 4; |
| 972 | *shift = 2; |
| 973 | } else if (src >= dst * 2) { |
| 974 | *ratio = 2; |
| 975 | *shift = 1; |
| 976 | } else { |
| 977 | *ratio = 1; |
| 978 | *shift = 0; |
| 979 | } |
| 980 | |
| 981 | return 0; |
| 982 | } |
| 983 | |
| 984 | static int fimc_set_prescaler(struct fimc_context *ctx, struct fimc_scaler *sc, |
| 985 | struct drm_exynos_pos *src, struct drm_exynos_pos *dst) |
| 986 | { |
| 987 | struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv; |
| 988 | u32 cfg, cfg_ext, shfactor; |
| 989 | u32 pre_dst_width, pre_dst_height; |
| 990 | u32 pre_hratio, hfactor, pre_vratio, vfactor; |
| 991 | int ret = 0; |
| 992 | u32 src_w, src_h, dst_w, dst_h; |
| 993 | |
| 994 | cfg_ext = fimc_read(EXYNOS_CITRGFMT); |
| 995 | if (cfg_ext & EXYNOS_CITRGFMT_INROT90_CLOCKWISE) { |
| 996 | src_w = src->h; |
| 997 | src_h = src->w; |
| 998 | } else { |
| 999 | src_w = src->w; |
| 1000 | src_h = src->h; |
| 1001 | } |
| 1002 | |
| 1003 | if (cfg_ext & EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE) { |
| 1004 | dst_w = dst->h; |
| 1005 | dst_h = dst->w; |
| 1006 | } else { |
| 1007 | dst_w = dst->w; |
| 1008 | dst_h = dst->h; |
| 1009 | } |
| 1010 | |
| 1011 | ret = fimc_get_ratio_shift(src_w, dst_w, &pre_hratio, &hfactor); |
| 1012 | if (ret) { |
| 1013 | dev_err(ippdrv->dev, "failed to get ratio horizontal.\n"); |
| 1014 | return ret; |
| 1015 | } |
| 1016 | |
| 1017 | ret = fimc_get_ratio_shift(src_h, dst_h, &pre_vratio, &vfactor); |
| 1018 | if (ret) { |
| 1019 | dev_err(ippdrv->dev, "failed to get ratio vertical.\n"); |
| 1020 | return ret; |
| 1021 | } |
| 1022 | |
| 1023 | pre_dst_width = src_w / pre_hratio; |
| 1024 | pre_dst_height = src_h / pre_vratio; |
| 1025 | DRM_DEBUG_KMS("%s:pre_dst_width[%d]pre_dst_height[%d]\n", __func__, |
| 1026 | pre_dst_width, pre_dst_height); |
| 1027 | DRM_DEBUG_KMS("%s:pre_hratio[%d]hfactor[%d]pre_vratio[%d]vfactor[%d]\n", |
| 1028 | __func__, pre_hratio, hfactor, pre_vratio, vfactor); |
| 1029 | |
| 1030 | sc->hratio = (src_w << 14) / (dst_w << hfactor); |
| 1031 | sc->vratio = (src_h << 14) / (dst_h << vfactor); |
| 1032 | sc->up_h = (dst_w >= src_w) ? true : false; |
| 1033 | sc->up_v = (dst_h >= src_h) ? true : false; |
| 1034 | DRM_DEBUG_KMS("%s:hratio[%d]vratio[%d]up_h[%d]up_v[%d]\n", |
| 1035 | __func__, sc->hratio, sc->vratio, sc->up_h, sc->up_v); |
| 1036 | |
| 1037 | shfactor = FIMC_SHFACTOR - (hfactor + vfactor); |
| 1038 | DRM_DEBUG_KMS("%s:shfactor[%d]\n", __func__, shfactor); |
| 1039 | |
| 1040 | cfg = (EXYNOS_CISCPRERATIO_SHFACTOR(shfactor) | |
| 1041 | EXYNOS_CISCPRERATIO_PREHORRATIO(pre_hratio) | |
| 1042 | EXYNOS_CISCPRERATIO_PREVERRATIO(pre_vratio)); |
| 1043 | fimc_write(cfg, EXYNOS_CISCPRERATIO); |
| 1044 | |
| 1045 | cfg = (EXYNOS_CISCPREDST_PREDSTWIDTH(pre_dst_width) | |
| 1046 | EXYNOS_CISCPREDST_PREDSTHEIGHT(pre_dst_height)); |
| 1047 | fimc_write(cfg, EXYNOS_CISCPREDST); |
| 1048 | |
| 1049 | return ret; |
| 1050 | } |
| 1051 | |
| 1052 | static void fimc_set_scaler(struct fimc_context *ctx, struct fimc_scaler *sc) |
| 1053 | { |
| 1054 | u32 cfg, cfg_ext; |
| 1055 | |
| 1056 | DRM_DEBUG_KMS("%s:range[%d]bypass[%d]up_h[%d]up_v[%d]\n", |
| 1057 | __func__, sc->range, sc->bypass, sc->up_h, sc->up_v); |
| 1058 | DRM_DEBUG_KMS("%s:hratio[%d]vratio[%d]\n", |
| 1059 | __func__, sc->hratio, sc->vratio); |
| 1060 | |
| 1061 | cfg = fimc_read(EXYNOS_CISCCTRL); |
| 1062 | cfg &= ~(EXYNOS_CISCCTRL_SCALERBYPASS | |
| 1063 | EXYNOS_CISCCTRL_SCALEUP_H | EXYNOS_CISCCTRL_SCALEUP_V | |
| 1064 | EXYNOS_CISCCTRL_MAIN_V_RATIO_MASK | |
| 1065 | EXYNOS_CISCCTRL_MAIN_H_RATIO_MASK | |
| 1066 | EXYNOS_CISCCTRL_CSCR2Y_WIDE | |
| 1067 | EXYNOS_CISCCTRL_CSCY2R_WIDE); |
| 1068 | |
| 1069 | if (sc->range) |
| 1070 | cfg |= (EXYNOS_CISCCTRL_CSCR2Y_WIDE | |
| 1071 | EXYNOS_CISCCTRL_CSCY2R_WIDE); |
| 1072 | if (sc->bypass) |
| 1073 | cfg |= EXYNOS_CISCCTRL_SCALERBYPASS; |
| 1074 | if (sc->up_h) |
| 1075 | cfg |= EXYNOS_CISCCTRL_SCALEUP_H; |
| 1076 | if (sc->up_v) |
| 1077 | cfg |= EXYNOS_CISCCTRL_SCALEUP_V; |
| 1078 | |
| 1079 | cfg |= (EXYNOS_CISCCTRL_MAINHORRATIO((sc->hratio >> 6)) | |
| 1080 | EXYNOS_CISCCTRL_MAINVERRATIO((sc->vratio >> 6))); |
| 1081 | fimc_write(cfg, EXYNOS_CISCCTRL); |
| 1082 | |
| 1083 | cfg_ext = fimc_read(EXYNOS_CIEXTEN); |
| 1084 | cfg_ext &= ~EXYNOS_CIEXTEN_MAINHORRATIO_EXT_MASK; |
| 1085 | cfg_ext &= ~EXYNOS_CIEXTEN_MAINVERRATIO_EXT_MASK; |
| 1086 | cfg_ext |= (EXYNOS_CIEXTEN_MAINHORRATIO_EXT(sc->hratio) | |
| 1087 | EXYNOS_CIEXTEN_MAINVERRATIO_EXT(sc->vratio)); |
| 1088 | fimc_write(cfg_ext, EXYNOS_CIEXTEN); |
| 1089 | } |
| 1090 | |
| 1091 | static int fimc_dst_set_size(struct device *dev, int swap, |
| 1092 | struct drm_exynos_pos *pos, struct drm_exynos_sz *sz) |
| 1093 | { |
| 1094 | struct fimc_context *ctx = get_fimc_context(dev); |
| 1095 | struct drm_exynos_pos img_pos = *pos; |
| 1096 | struct drm_exynos_sz img_sz = *sz; |
| 1097 | u32 cfg; |
| 1098 | |
| 1099 | DRM_DEBUG_KMS("%s:swap[%d]hsize[%d]vsize[%d]\n", |
| 1100 | __func__, swap, sz->hsize, sz->vsize); |
| 1101 | |
| 1102 | /* original size */ |
| 1103 | cfg = (EXYNOS_ORGOSIZE_HORIZONTAL(img_sz.hsize) | |
| 1104 | EXYNOS_ORGOSIZE_VERTICAL(img_sz.vsize)); |
| 1105 | |
| 1106 | fimc_write(cfg, EXYNOS_ORGOSIZE); |
| 1107 | |
| 1108 | DRM_DEBUG_KMS("%s:x[%d]y[%d]w[%d]h[%d]\n", |
| 1109 | __func__, pos->x, pos->y, pos->w, pos->h); |
| 1110 | |
| 1111 | /* CSC ITU */ |
| 1112 | cfg = fimc_read(EXYNOS_CIGCTRL); |
| 1113 | cfg &= ~EXYNOS_CIGCTRL_CSC_MASK; |
| 1114 | |
| 1115 | if (sz->hsize >= FIMC_WIDTH_ITU_709) |
| 1116 | cfg |= EXYNOS_CIGCTRL_CSC_ITU709; |
| 1117 | else |
| 1118 | cfg |= EXYNOS_CIGCTRL_CSC_ITU601; |
| 1119 | |
| 1120 | fimc_write(cfg, EXYNOS_CIGCTRL); |
| 1121 | |
| 1122 | if (swap) { |
| 1123 | img_pos.w = pos->h; |
| 1124 | img_pos.h = pos->w; |
| 1125 | img_sz.hsize = sz->vsize; |
| 1126 | img_sz.vsize = sz->hsize; |
| 1127 | } |
| 1128 | |
| 1129 | /* target image size */ |
| 1130 | cfg = fimc_read(EXYNOS_CITRGFMT); |
| 1131 | cfg &= ~(EXYNOS_CITRGFMT_TARGETH_MASK | |
| 1132 | EXYNOS_CITRGFMT_TARGETV_MASK); |
| 1133 | cfg |= (EXYNOS_CITRGFMT_TARGETHSIZE(img_pos.w) | |
| 1134 | EXYNOS_CITRGFMT_TARGETVSIZE(img_pos.h)); |
| 1135 | fimc_write(cfg, EXYNOS_CITRGFMT); |
| 1136 | |
| 1137 | /* target area */ |
| 1138 | cfg = EXYNOS_CITAREA_TARGET_AREA(img_pos.w * img_pos.h); |
| 1139 | fimc_write(cfg, EXYNOS_CITAREA); |
| 1140 | |
| 1141 | /* offset Y(RGB), Cb, Cr */ |
| 1142 | cfg = (EXYNOS_CIOYOFF_HORIZONTAL(img_pos.x) | |
| 1143 | EXYNOS_CIOYOFF_VERTICAL(img_pos.y)); |
| 1144 | fimc_write(cfg, EXYNOS_CIOYOFF); |
| 1145 | cfg = (EXYNOS_CIOCBOFF_HORIZONTAL(img_pos.x) | |
| 1146 | EXYNOS_CIOCBOFF_VERTICAL(img_pos.y)); |
| 1147 | fimc_write(cfg, EXYNOS_CIOCBOFF); |
| 1148 | cfg = (EXYNOS_CIOCROFF_HORIZONTAL(img_pos.x) | |
| 1149 | EXYNOS_CIOCROFF_VERTICAL(img_pos.y)); |
| 1150 | fimc_write(cfg, EXYNOS_CIOCROFF); |
| 1151 | |
| 1152 | return 0; |
| 1153 | } |
| 1154 | |
| 1155 | static int fimc_dst_get_buf_seq(struct fimc_context *ctx) |
| 1156 | { |
| 1157 | u32 cfg, i, buf_num = 0; |
| 1158 | u32 mask = 0x00000001; |
| 1159 | |
| 1160 | cfg = fimc_read(EXYNOS_CIFCNTSEQ); |
| 1161 | |
| 1162 | for (i = 0; i < FIMC_REG_SZ; i++) |
| 1163 | if (cfg & (mask << i)) |
| 1164 | buf_num++; |
| 1165 | |
| 1166 | DRM_DEBUG_KMS("%s:buf_num[%d]\n", __func__, buf_num); |
| 1167 | |
| 1168 | return buf_num; |
| 1169 | } |
| 1170 | |
| 1171 | static int fimc_dst_set_buf_seq(struct fimc_context *ctx, u32 buf_id, |
| 1172 | enum drm_exynos_ipp_buf_type buf_type) |
| 1173 | { |
| 1174 | struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv; |
| 1175 | bool enable; |
| 1176 | u32 cfg; |
| 1177 | u32 mask = 0x00000001 << buf_id; |
| 1178 | int ret = 0; |
| 1179 | |
| 1180 | DRM_DEBUG_KMS("%s:buf_id[%d]buf_type[%d]\n", __func__, |
| 1181 | buf_id, buf_type); |
| 1182 | |
| 1183 | mutex_lock(&ctx->lock); |
| 1184 | |
| 1185 | /* mask register set */ |
| 1186 | cfg = fimc_read(EXYNOS_CIFCNTSEQ); |
| 1187 | |
| 1188 | switch (buf_type) { |
| 1189 | case IPP_BUF_ENQUEUE: |
| 1190 | enable = true; |
| 1191 | break; |
| 1192 | case IPP_BUF_DEQUEUE: |
| 1193 | enable = false; |
| 1194 | break; |
| 1195 | default: |
| 1196 | dev_err(ippdrv->dev, "invalid buf ctrl parameter.\n"); |
| 1197 | ret = -EINVAL; |
| 1198 | goto err_unlock; |
| 1199 | } |
| 1200 | |
| 1201 | /* sequence id */ |
| 1202 | cfg &= (~mask); |
| 1203 | cfg |= (enable << buf_id); |
| 1204 | fimc_write(cfg, EXYNOS_CIFCNTSEQ); |
| 1205 | |
| 1206 | /* interrupt enable */ |
| 1207 | if (buf_type == IPP_BUF_ENQUEUE && |
| 1208 | fimc_dst_get_buf_seq(ctx) >= FIMC_BUF_START) |
| 1209 | fimc_handle_irq(ctx, true, false, true); |
| 1210 | |
| 1211 | /* interrupt disable */ |
| 1212 | if (buf_type == IPP_BUF_DEQUEUE && |
| 1213 | fimc_dst_get_buf_seq(ctx) <= FIMC_BUF_STOP) |
| 1214 | fimc_handle_irq(ctx, false, false, true); |
| 1215 | |
| 1216 | err_unlock: |
| 1217 | mutex_unlock(&ctx->lock); |
| 1218 | return ret; |
| 1219 | } |
| 1220 | |
| 1221 | static int fimc_dst_set_addr(struct device *dev, |
| 1222 | struct drm_exynos_ipp_buf_info *buf_info, u32 buf_id, |
| 1223 | enum drm_exynos_ipp_buf_type buf_type) |
| 1224 | { |
| 1225 | struct fimc_context *ctx = get_fimc_context(dev); |
| 1226 | struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv; |
Eunchul Kim | 7259c3d | 2012-12-22 17:49:22 +0900 | [diff] [blame] | 1227 | struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node; |
Eunchul Kim | 16102ed | 2012-12-14 17:58:55 +0900 | [diff] [blame] | 1228 | struct drm_exynos_ipp_property *property; |
| 1229 | struct drm_exynos_ipp_config *config; |
| 1230 | |
| 1231 | if (!c_node) { |
| 1232 | DRM_ERROR("failed to get c_node.\n"); |
| 1233 | return -EINVAL; |
| 1234 | } |
| 1235 | |
| 1236 | property = &c_node->property; |
Eunchul Kim | 16102ed | 2012-12-14 17:58:55 +0900 | [diff] [blame] | 1237 | |
| 1238 | DRM_DEBUG_KMS("%s:prop_id[%d]buf_id[%d]buf_type[%d]\n", __func__, |
| 1239 | property->prop_id, buf_id, buf_type); |
| 1240 | |
| 1241 | if (buf_id > FIMC_MAX_DST) { |
| 1242 | dev_info(ippdrv->dev, "inavlid buf_id %d.\n", buf_id); |
| 1243 | return -ENOMEM; |
| 1244 | } |
| 1245 | |
| 1246 | /* address register set */ |
| 1247 | switch (buf_type) { |
| 1248 | case IPP_BUF_ENQUEUE: |
| 1249 | config = &property->config[EXYNOS_DRM_OPS_DST]; |
| 1250 | |
| 1251 | fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_Y], |
| 1252 | EXYNOS_CIOYSA(buf_id)); |
| 1253 | |
| 1254 | if (config->fmt == DRM_FORMAT_YVU420) { |
| 1255 | fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CR], |
| 1256 | EXYNOS_CIOCBSA(buf_id)); |
| 1257 | fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CB], |
| 1258 | EXYNOS_CIOCRSA(buf_id)); |
| 1259 | } else { |
| 1260 | fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CB], |
| 1261 | EXYNOS_CIOCBSA(buf_id)); |
| 1262 | fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CR], |
| 1263 | EXYNOS_CIOCRSA(buf_id)); |
| 1264 | } |
| 1265 | break; |
| 1266 | case IPP_BUF_DEQUEUE: |
| 1267 | fimc_write(0x0, EXYNOS_CIOYSA(buf_id)); |
| 1268 | fimc_write(0x0, EXYNOS_CIOCBSA(buf_id)); |
| 1269 | fimc_write(0x0, EXYNOS_CIOCRSA(buf_id)); |
| 1270 | break; |
| 1271 | default: |
| 1272 | /* bypass */ |
| 1273 | break; |
| 1274 | } |
| 1275 | |
| 1276 | return fimc_dst_set_buf_seq(ctx, buf_id, buf_type); |
| 1277 | } |
| 1278 | |
| 1279 | static struct exynos_drm_ipp_ops fimc_dst_ops = { |
| 1280 | .set_fmt = fimc_dst_set_fmt, |
| 1281 | .set_transf = fimc_dst_set_transf, |
| 1282 | .set_size = fimc_dst_set_size, |
| 1283 | .set_addr = fimc_dst_set_addr, |
| 1284 | }; |
| 1285 | |
| 1286 | static int fimc_clk_ctrl(struct fimc_context *ctx, bool enable) |
| 1287 | { |
| 1288 | DRM_DEBUG_KMS("%s:enable[%d]\n", __func__, enable); |
| 1289 | |
| 1290 | if (enable) { |
| 1291 | clk_enable(ctx->sclk_fimc_clk); |
| 1292 | clk_enable(ctx->fimc_clk); |
| 1293 | clk_enable(ctx->wb_clk); |
| 1294 | ctx->suspended = false; |
| 1295 | } else { |
| 1296 | clk_disable(ctx->sclk_fimc_clk); |
| 1297 | clk_disable(ctx->fimc_clk); |
| 1298 | clk_disable(ctx->wb_clk); |
| 1299 | ctx->suspended = true; |
| 1300 | } |
| 1301 | |
| 1302 | return 0; |
| 1303 | } |
| 1304 | |
| 1305 | static irqreturn_t fimc_irq_handler(int irq, void *dev_id) |
| 1306 | { |
| 1307 | struct fimc_context *ctx = dev_id; |
| 1308 | struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv; |
Eunchul Kim | 7259c3d | 2012-12-22 17:49:22 +0900 | [diff] [blame] | 1309 | struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node; |
Eunchul Kim | 16102ed | 2012-12-14 17:58:55 +0900 | [diff] [blame] | 1310 | struct drm_exynos_ipp_event_work *event_work = |
| 1311 | c_node->event_work; |
| 1312 | int buf_id; |
| 1313 | |
| 1314 | DRM_DEBUG_KMS("%s:fimc id[%d]\n", __func__, ctx->id); |
| 1315 | |
| 1316 | fimc_clear_irq(ctx); |
| 1317 | if (fimc_check_ovf(ctx)) |
| 1318 | return IRQ_NONE; |
| 1319 | |
| 1320 | if (!fimc_check_frame_end(ctx)) |
| 1321 | return IRQ_NONE; |
| 1322 | |
| 1323 | buf_id = fimc_get_buf_id(ctx); |
| 1324 | if (buf_id < 0) |
| 1325 | return IRQ_HANDLED; |
| 1326 | |
| 1327 | DRM_DEBUG_KMS("%s:buf_id[%d]\n", __func__, buf_id); |
| 1328 | |
| 1329 | if (fimc_dst_set_buf_seq(ctx, buf_id, IPP_BUF_DEQUEUE) < 0) { |
| 1330 | DRM_ERROR("failed to dequeue.\n"); |
| 1331 | return IRQ_HANDLED; |
| 1332 | } |
| 1333 | |
| 1334 | event_work->ippdrv = ippdrv; |
| 1335 | event_work->buf_id[EXYNOS_DRM_OPS_DST] = buf_id; |
| 1336 | queue_work(ippdrv->event_workq, (struct work_struct *)event_work); |
| 1337 | |
| 1338 | return IRQ_HANDLED; |
| 1339 | } |
| 1340 | |
| 1341 | static int fimc_init_prop_list(struct exynos_drm_ippdrv *ippdrv) |
| 1342 | { |
| 1343 | struct drm_exynos_ipp_prop_list *prop_list; |
| 1344 | |
| 1345 | DRM_DEBUG_KMS("%s\n", __func__); |
| 1346 | |
| 1347 | prop_list = devm_kzalloc(ippdrv->dev, sizeof(*prop_list), GFP_KERNEL); |
| 1348 | if (!prop_list) { |
| 1349 | DRM_ERROR("failed to alloc property list.\n"); |
| 1350 | return -ENOMEM; |
| 1351 | } |
| 1352 | |
| 1353 | prop_list->version = 1; |
| 1354 | prop_list->writeback = 1; |
| 1355 | prop_list->refresh_min = FIMC_REFRESH_MIN; |
| 1356 | prop_list->refresh_max = FIMC_REFRESH_MAX; |
| 1357 | prop_list->flip = (1 << EXYNOS_DRM_FLIP_NONE) | |
| 1358 | (1 << EXYNOS_DRM_FLIP_VERTICAL) | |
| 1359 | (1 << EXYNOS_DRM_FLIP_HORIZONTAL); |
| 1360 | prop_list->degree = (1 << EXYNOS_DRM_DEGREE_0) | |
| 1361 | (1 << EXYNOS_DRM_DEGREE_90) | |
| 1362 | (1 << EXYNOS_DRM_DEGREE_180) | |
| 1363 | (1 << EXYNOS_DRM_DEGREE_270); |
| 1364 | prop_list->csc = 1; |
| 1365 | prop_list->crop = 1; |
| 1366 | prop_list->crop_max.hsize = FIMC_CROP_MAX; |
| 1367 | prop_list->crop_max.vsize = FIMC_CROP_MAX; |
| 1368 | prop_list->crop_min.hsize = FIMC_CROP_MIN; |
| 1369 | prop_list->crop_min.vsize = FIMC_CROP_MIN; |
| 1370 | prop_list->scale = 1; |
| 1371 | prop_list->scale_max.hsize = FIMC_SCALE_MAX; |
| 1372 | prop_list->scale_max.vsize = FIMC_SCALE_MAX; |
| 1373 | prop_list->scale_min.hsize = FIMC_SCALE_MIN; |
| 1374 | prop_list->scale_min.vsize = FIMC_SCALE_MIN; |
| 1375 | |
| 1376 | ippdrv->prop_list = prop_list; |
| 1377 | |
| 1378 | return 0; |
| 1379 | } |
| 1380 | |
| 1381 | static inline bool fimc_check_drm_flip(enum drm_exynos_flip flip) |
| 1382 | { |
| 1383 | switch (flip) { |
| 1384 | case EXYNOS_DRM_FLIP_NONE: |
| 1385 | case EXYNOS_DRM_FLIP_VERTICAL: |
| 1386 | case EXYNOS_DRM_FLIP_HORIZONTAL: |
Eunchul Kim | 4f21877 | 2012-12-22 17:49:24 +0900 | [diff] [blame] | 1387 | case EXYNOS_DRM_FLIP_BOTH: |
Eunchul Kim | 16102ed | 2012-12-14 17:58:55 +0900 | [diff] [blame] | 1388 | return true; |
| 1389 | default: |
| 1390 | DRM_DEBUG_KMS("%s:invalid flip\n", __func__); |
| 1391 | return false; |
| 1392 | } |
| 1393 | } |
| 1394 | |
| 1395 | static int fimc_ippdrv_check_property(struct device *dev, |
| 1396 | struct drm_exynos_ipp_property *property) |
| 1397 | { |
| 1398 | struct fimc_context *ctx = get_fimc_context(dev); |
| 1399 | struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv; |
| 1400 | struct drm_exynos_ipp_prop_list *pp = ippdrv->prop_list; |
| 1401 | struct drm_exynos_ipp_config *config; |
| 1402 | struct drm_exynos_pos *pos; |
| 1403 | struct drm_exynos_sz *sz; |
| 1404 | bool swap; |
| 1405 | int i; |
| 1406 | |
| 1407 | DRM_DEBUG_KMS("%s\n", __func__); |
| 1408 | |
| 1409 | for_each_ipp_ops(i) { |
| 1410 | if ((i == EXYNOS_DRM_OPS_SRC) && |
| 1411 | (property->cmd == IPP_CMD_WB)) |
| 1412 | continue; |
| 1413 | |
| 1414 | config = &property->config[i]; |
| 1415 | pos = &config->pos; |
| 1416 | sz = &config->sz; |
| 1417 | |
| 1418 | /* check for flip */ |
| 1419 | if (!fimc_check_drm_flip(config->flip)) { |
| 1420 | DRM_ERROR("invalid flip.\n"); |
| 1421 | goto err_property; |
| 1422 | } |
| 1423 | |
| 1424 | /* check for degree */ |
| 1425 | switch (config->degree) { |
| 1426 | case EXYNOS_DRM_DEGREE_90: |
| 1427 | case EXYNOS_DRM_DEGREE_270: |
| 1428 | swap = true; |
| 1429 | break; |
| 1430 | case EXYNOS_DRM_DEGREE_0: |
| 1431 | case EXYNOS_DRM_DEGREE_180: |
| 1432 | swap = false; |
| 1433 | break; |
| 1434 | default: |
| 1435 | DRM_ERROR("invalid degree.\n"); |
| 1436 | goto err_property; |
| 1437 | } |
| 1438 | |
| 1439 | /* check for buffer bound */ |
| 1440 | if ((pos->x + pos->w > sz->hsize) || |
| 1441 | (pos->y + pos->h > sz->vsize)) { |
| 1442 | DRM_ERROR("out of buf bound.\n"); |
| 1443 | goto err_property; |
| 1444 | } |
| 1445 | |
| 1446 | /* check for crop */ |
| 1447 | if ((i == EXYNOS_DRM_OPS_SRC) && (pp->crop)) { |
| 1448 | if (swap) { |
| 1449 | if ((pos->h < pp->crop_min.hsize) || |
| 1450 | (sz->vsize > pp->crop_max.hsize) || |
| 1451 | (pos->w < pp->crop_min.vsize) || |
| 1452 | (sz->hsize > pp->crop_max.vsize)) { |
| 1453 | DRM_ERROR("out of crop size.\n"); |
| 1454 | goto err_property; |
| 1455 | } |
| 1456 | } else { |
| 1457 | if ((pos->w < pp->crop_min.hsize) || |
| 1458 | (sz->hsize > pp->crop_max.hsize) || |
| 1459 | (pos->h < pp->crop_min.vsize) || |
| 1460 | (sz->vsize > pp->crop_max.vsize)) { |
| 1461 | DRM_ERROR("out of crop size.\n"); |
| 1462 | goto err_property; |
| 1463 | } |
| 1464 | } |
| 1465 | } |
| 1466 | |
| 1467 | /* check for scale */ |
| 1468 | if ((i == EXYNOS_DRM_OPS_DST) && (pp->scale)) { |
| 1469 | if (swap) { |
| 1470 | if ((pos->h < pp->scale_min.hsize) || |
| 1471 | (sz->vsize > pp->scale_max.hsize) || |
| 1472 | (pos->w < pp->scale_min.vsize) || |
| 1473 | (sz->hsize > pp->scale_max.vsize)) { |
| 1474 | DRM_ERROR("out of scale size.\n"); |
| 1475 | goto err_property; |
| 1476 | } |
| 1477 | } else { |
| 1478 | if ((pos->w < pp->scale_min.hsize) || |
| 1479 | (sz->hsize > pp->scale_max.hsize) || |
| 1480 | (pos->h < pp->scale_min.vsize) || |
| 1481 | (sz->vsize > pp->scale_max.vsize)) { |
| 1482 | DRM_ERROR("out of scale size.\n"); |
| 1483 | goto err_property; |
| 1484 | } |
| 1485 | } |
| 1486 | } |
| 1487 | } |
| 1488 | |
| 1489 | return 0; |
| 1490 | |
| 1491 | err_property: |
| 1492 | for_each_ipp_ops(i) { |
| 1493 | if ((i == EXYNOS_DRM_OPS_SRC) && |
| 1494 | (property->cmd == IPP_CMD_WB)) |
| 1495 | continue; |
| 1496 | |
| 1497 | config = &property->config[i]; |
| 1498 | pos = &config->pos; |
| 1499 | sz = &config->sz; |
| 1500 | |
| 1501 | DRM_ERROR("[%s]f[%d]r[%d]pos[%d %d %d %d]sz[%d %d]\n", |
| 1502 | i ? "dst" : "src", config->flip, config->degree, |
| 1503 | pos->x, pos->y, pos->w, pos->h, |
| 1504 | sz->hsize, sz->vsize); |
| 1505 | } |
| 1506 | |
| 1507 | return -EINVAL; |
| 1508 | } |
| 1509 | |
| 1510 | static void fimc_clear_addr(struct fimc_context *ctx) |
| 1511 | { |
| 1512 | int i; |
| 1513 | |
| 1514 | DRM_DEBUG_KMS("%s:\n", __func__); |
| 1515 | |
| 1516 | for (i = 0; i < FIMC_MAX_SRC; i++) { |
| 1517 | fimc_write(0, EXYNOS_CIIYSA(i)); |
| 1518 | fimc_write(0, EXYNOS_CIICBSA(i)); |
| 1519 | fimc_write(0, EXYNOS_CIICRSA(i)); |
| 1520 | } |
| 1521 | |
| 1522 | for (i = 0; i < FIMC_MAX_DST; i++) { |
| 1523 | fimc_write(0, EXYNOS_CIOYSA(i)); |
| 1524 | fimc_write(0, EXYNOS_CIOCBSA(i)); |
| 1525 | fimc_write(0, EXYNOS_CIOCRSA(i)); |
| 1526 | } |
| 1527 | } |
| 1528 | |
| 1529 | static int fimc_ippdrv_reset(struct device *dev) |
| 1530 | { |
| 1531 | struct fimc_context *ctx = get_fimc_context(dev); |
| 1532 | |
| 1533 | DRM_DEBUG_KMS("%s\n", __func__); |
| 1534 | |
| 1535 | /* reset h/w block */ |
JoongMock Shin | b5c0b55 | 2012-12-22 17:49:27 +0900 | [diff] [blame^] | 1536 | fimc_sw_reset(ctx); |
Eunchul Kim | 16102ed | 2012-12-14 17:58:55 +0900 | [diff] [blame] | 1537 | |
| 1538 | /* reset scaler capability */ |
| 1539 | memset(&ctx->sc, 0x0, sizeof(ctx->sc)); |
| 1540 | |
| 1541 | fimc_clear_addr(ctx); |
| 1542 | |
| 1543 | return 0; |
| 1544 | } |
| 1545 | |
| 1546 | static int fimc_ippdrv_start(struct device *dev, enum drm_exynos_ipp_cmd cmd) |
| 1547 | { |
| 1548 | struct fimc_context *ctx = get_fimc_context(dev); |
| 1549 | struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv; |
Eunchul Kim | 7259c3d | 2012-12-22 17:49:22 +0900 | [diff] [blame] | 1550 | struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node; |
Eunchul Kim | 16102ed | 2012-12-14 17:58:55 +0900 | [diff] [blame] | 1551 | struct drm_exynos_ipp_property *property; |
| 1552 | struct drm_exynos_ipp_config *config; |
| 1553 | struct drm_exynos_pos img_pos[EXYNOS_DRM_OPS_MAX]; |
| 1554 | struct drm_exynos_ipp_set_wb set_wb; |
| 1555 | int ret, i; |
| 1556 | u32 cfg0, cfg1; |
| 1557 | |
| 1558 | DRM_DEBUG_KMS("%s:cmd[%d]\n", __func__, cmd); |
| 1559 | |
| 1560 | if (!c_node) { |
| 1561 | DRM_ERROR("failed to get c_node.\n"); |
| 1562 | return -EINVAL; |
| 1563 | } |
| 1564 | |
| 1565 | property = &c_node->property; |
Eunchul Kim | 16102ed | 2012-12-14 17:58:55 +0900 | [diff] [blame] | 1566 | |
| 1567 | fimc_handle_irq(ctx, true, false, true); |
| 1568 | |
| 1569 | for_each_ipp_ops(i) { |
| 1570 | config = &property->config[i]; |
| 1571 | img_pos[i] = config->pos; |
| 1572 | } |
| 1573 | |
| 1574 | ret = fimc_set_prescaler(ctx, &ctx->sc, |
| 1575 | &img_pos[EXYNOS_DRM_OPS_SRC], |
| 1576 | &img_pos[EXYNOS_DRM_OPS_DST]); |
| 1577 | if (ret) { |
| 1578 | dev_err(dev, "failed to set precalser.\n"); |
| 1579 | return ret; |
| 1580 | } |
| 1581 | |
| 1582 | /* If set ture, we can save jpeg about screen */ |
| 1583 | fimc_handle_jpeg(ctx, false); |
| 1584 | fimc_set_scaler(ctx, &ctx->sc); |
| 1585 | fimc_set_polarity(ctx, &ctx->pol); |
| 1586 | |
| 1587 | switch (cmd) { |
| 1588 | case IPP_CMD_M2M: |
| 1589 | fimc_set_type_ctrl(ctx, FIMC_WB_NONE); |
| 1590 | fimc_handle_lastend(ctx, false); |
| 1591 | |
| 1592 | /* setup dma */ |
| 1593 | cfg0 = fimc_read(EXYNOS_MSCTRL); |
| 1594 | cfg0 &= ~EXYNOS_MSCTRL_INPUT_MASK; |
| 1595 | cfg0 |= EXYNOS_MSCTRL_INPUT_MEMORY; |
| 1596 | fimc_write(cfg0, EXYNOS_MSCTRL); |
| 1597 | break; |
| 1598 | case IPP_CMD_WB: |
| 1599 | fimc_set_type_ctrl(ctx, FIMC_WB_A); |
| 1600 | fimc_handle_lastend(ctx, true); |
| 1601 | |
| 1602 | /* setup FIMD */ |
| 1603 | fimc_set_camblk_fimd0_wb(ctx); |
| 1604 | |
| 1605 | set_wb.enable = 1; |
| 1606 | set_wb.refresh = property->refresh_rate; |
| 1607 | exynos_drm_ippnb_send_event(IPP_SET_WRITEBACK, (void *)&set_wb); |
| 1608 | break; |
| 1609 | case IPP_CMD_OUTPUT: |
| 1610 | default: |
| 1611 | ret = -EINVAL; |
| 1612 | dev_err(dev, "invalid operations.\n"); |
| 1613 | return ret; |
| 1614 | } |
| 1615 | |
| 1616 | /* Reset status */ |
| 1617 | fimc_write(0x0, EXYNOS_CISTATUS); |
| 1618 | |
| 1619 | cfg0 = fimc_read(EXYNOS_CIIMGCPT); |
| 1620 | cfg0 &= ~EXYNOS_CIIMGCPT_IMGCPTEN_SC; |
| 1621 | cfg0 |= EXYNOS_CIIMGCPT_IMGCPTEN_SC; |
| 1622 | |
| 1623 | /* Scaler */ |
| 1624 | cfg1 = fimc_read(EXYNOS_CISCCTRL); |
| 1625 | cfg1 &= ~EXYNOS_CISCCTRL_SCAN_MASK; |
| 1626 | cfg1 |= (EXYNOS_CISCCTRL_PROGRESSIVE | |
| 1627 | EXYNOS_CISCCTRL_SCALERSTART); |
| 1628 | |
| 1629 | fimc_write(cfg1, EXYNOS_CISCCTRL); |
| 1630 | |
| 1631 | /* Enable image capture*/ |
| 1632 | cfg0 |= EXYNOS_CIIMGCPT_IMGCPTEN; |
| 1633 | fimc_write(cfg0, EXYNOS_CIIMGCPT); |
| 1634 | |
| 1635 | /* Disable frame end irq */ |
| 1636 | cfg0 = fimc_read(EXYNOS_CIGCTRL); |
| 1637 | cfg0 &= ~EXYNOS_CIGCTRL_IRQ_END_DISABLE; |
| 1638 | fimc_write(cfg0, EXYNOS_CIGCTRL); |
| 1639 | |
| 1640 | cfg0 = fimc_read(EXYNOS_CIOCTRL); |
| 1641 | cfg0 &= ~EXYNOS_CIOCTRL_WEAVE_MASK; |
| 1642 | fimc_write(cfg0, EXYNOS_CIOCTRL); |
| 1643 | |
| 1644 | if (cmd == IPP_CMD_M2M) { |
| 1645 | cfg0 = fimc_read(EXYNOS_MSCTRL); |
| 1646 | cfg0 |= EXYNOS_MSCTRL_ENVID; |
| 1647 | fimc_write(cfg0, EXYNOS_MSCTRL); |
| 1648 | |
| 1649 | cfg0 = fimc_read(EXYNOS_MSCTRL); |
| 1650 | cfg0 |= EXYNOS_MSCTRL_ENVID; |
| 1651 | fimc_write(cfg0, EXYNOS_MSCTRL); |
| 1652 | } |
| 1653 | |
| 1654 | return 0; |
| 1655 | } |
| 1656 | |
| 1657 | static void fimc_ippdrv_stop(struct device *dev, enum drm_exynos_ipp_cmd cmd) |
| 1658 | { |
| 1659 | struct fimc_context *ctx = get_fimc_context(dev); |
| 1660 | struct drm_exynos_ipp_set_wb set_wb = {0, 0}; |
| 1661 | u32 cfg; |
| 1662 | |
| 1663 | DRM_DEBUG_KMS("%s:cmd[%d]\n", __func__, cmd); |
| 1664 | |
| 1665 | switch (cmd) { |
| 1666 | case IPP_CMD_M2M: |
| 1667 | /* Source clear */ |
| 1668 | cfg = fimc_read(EXYNOS_MSCTRL); |
| 1669 | cfg &= ~EXYNOS_MSCTRL_INPUT_MASK; |
| 1670 | cfg &= ~EXYNOS_MSCTRL_ENVID; |
| 1671 | fimc_write(cfg, EXYNOS_MSCTRL); |
| 1672 | break; |
| 1673 | case IPP_CMD_WB: |
| 1674 | exynos_drm_ippnb_send_event(IPP_SET_WRITEBACK, (void *)&set_wb); |
| 1675 | break; |
| 1676 | case IPP_CMD_OUTPUT: |
| 1677 | default: |
| 1678 | dev_err(dev, "invalid operations.\n"); |
| 1679 | break; |
| 1680 | } |
| 1681 | |
| 1682 | fimc_handle_irq(ctx, false, false, true); |
| 1683 | |
| 1684 | /* reset sequence */ |
| 1685 | fimc_write(0x0, EXYNOS_CIFCNTSEQ); |
| 1686 | |
| 1687 | /* Scaler disable */ |
| 1688 | cfg = fimc_read(EXYNOS_CISCCTRL); |
| 1689 | cfg &= ~EXYNOS_CISCCTRL_SCALERSTART; |
| 1690 | fimc_write(cfg, EXYNOS_CISCCTRL); |
| 1691 | |
| 1692 | /* Disable image capture */ |
| 1693 | cfg = fimc_read(EXYNOS_CIIMGCPT); |
| 1694 | cfg &= ~(EXYNOS_CIIMGCPT_IMGCPTEN_SC | EXYNOS_CIIMGCPT_IMGCPTEN); |
| 1695 | fimc_write(cfg, EXYNOS_CIIMGCPT); |
| 1696 | |
| 1697 | /* Enable frame end irq */ |
| 1698 | cfg = fimc_read(EXYNOS_CIGCTRL); |
| 1699 | cfg |= EXYNOS_CIGCTRL_IRQ_END_DISABLE; |
| 1700 | fimc_write(cfg, EXYNOS_CIGCTRL); |
| 1701 | } |
| 1702 | |
| 1703 | static int __devinit fimc_probe(struct platform_device *pdev) |
| 1704 | { |
| 1705 | struct device *dev = &pdev->dev; |
| 1706 | struct fimc_context *ctx; |
| 1707 | struct clk *parent_clk; |
| 1708 | struct resource *res; |
| 1709 | struct exynos_drm_ippdrv *ippdrv; |
| 1710 | struct exynos_drm_fimc_pdata *pdata; |
| 1711 | struct fimc_driverdata *ddata; |
| 1712 | int ret; |
| 1713 | |
| 1714 | pdata = pdev->dev.platform_data; |
| 1715 | if (!pdata) { |
| 1716 | dev_err(dev, "no platform data specified.\n"); |
| 1717 | return -EINVAL; |
| 1718 | } |
| 1719 | |
| 1720 | ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL); |
| 1721 | if (!ctx) |
| 1722 | return -ENOMEM; |
| 1723 | |
| 1724 | ddata = (struct fimc_driverdata *) |
| 1725 | platform_get_device_id(pdev)->driver_data; |
| 1726 | |
| 1727 | /* clock control */ |
| 1728 | ctx->sclk_fimc_clk = clk_get(dev, "sclk_fimc"); |
| 1729 | if (IS_ERR(ctx->sclk_fimc_clk)) { |
| 1730 | dev_err(dev, "failed to get src fimc clock.\n"); |
| 1731 | ret = PTR_ERR(ctx->sclk_fimc_clk); |
| 1732 | goto err_ctx; |
| 1733 | } |
| 1734 | clk_enable(ctx->sclk_fimc_clk); |
| 1735 | |
| 1736 | ctx->fimc_clk = clk_get(dev, "fimc"); |
| 1737 | if (IS_ERR(ctx->fimc_clk)) { |
| 1738 | dev_err(dev, "failed to get fimc clock.\n"); |
| 1739 | ret = PTR_ERR(ctx->fimc_clk); |
| 1740 | clk_disable(ctx->sclk_fimc_clk); |
| 1741 | clk_put(ctx->sclk_fimc_clk); |
| 1742 | goto err_ctx; |
| 1743 | } |
| 1744 | |
| 1745 | ctx->wb_clk = clk_get(dev, "pxl_async0"); |
| 1746 | if (IS_ERR(ctx->wb_clk)) { |
| 1747 | dev_err(dev, "failed to get writeback a clock.\n"); |
| 1748 | ret = PTR_ERR(ctx->wb_clk); |
| 1749 | clk_disable(ctx->sclk_fimc_clk); |
| 1750 | clk_put(ctx->sclk_fimc_clk); |
| 1751 | clk_put(ctx->fimc_clk); |
| 1752 | goto err_ctx; |
| 1753 | } |
| 1754 | |
| 1755 | ctx->wb_b_clk = clk_get(dev, "pxl_async1"); |
| 1756 | if (IS_ERR(ctx->wb_b_clk)) { |
| 1757 | dev_err(dev, "failed to get writeback b clock.\n"); |
| 1758 | ret = PTR_ERR(ctx->wb_b_clk); |
| 1759 | clk_disable(ctx->sclk_fimc_clk); |
| 1760 | clk_put(ctx->sclk_fimc_clk); |
| 1761 | clk_put(ctx->fimc_clk); |
| 1762 | clk_put(ctx->wb_clk); |
| 1763 | goto err_ctx; |
| 1764 | } |
| 1765 | |
| 1766 | parent_clk = clk_get(dev, ddata->parent_clk); |
| 1767 | |
| 1768 | if (IS_ERR(parent_clk)) { |
| 1769 | dev_err(dev, "failed to get parent clock.\n"); |
| 1770 | ret = PTR_ERR(parent_clk); |
| 1771 | clk_disable(ctx->sclk_fimc_clk); |
| 1772 | clk_put(ctx->sclk_fimc_clk); |
| 1773 | clk_put(ctx->fimc_clk); |
| 1774 | clk_put(ctx->wb_clk); |
| 1775 | clk_put(ctx->wb_b_clk); |
| 1776 | goto err_ctx; |
| 1777 | } |
| 1778 | |
| 1779 | if (clk_set_parent(ctx->sclk_fimc_clk, parent_clk)) { |
| 1780 | dev_err(dev, "failed to set parent.\n"); |
| 1781 | ret = -EINVAL; |
| 1782 | clk_put(parent_clk); |
| 1783 | clk_disable(ctx->sclk_fimc_clk); |
| 1784 | clk_put(ctx->sclk_fimc_clk); |
| 1785 | clk_put(ctx->fimc_clk); |
| 1786 | clk_put(ctx->wb_clk); |
| 1787 | clk_put(ctx->wb_b_clk); |
| 1788 | goto err_ctx; |
| 1789 | } |
| 1790 | |
| 1791 | clk_put(parent_clk); |
| 1792 | clk_set_rate(ctx->sclk_fimc_clk, pdata->clk_rate); |
| 1793 | |
| 1794 | /* resource memory */ |
| 1795 | ctx->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0); |
| 1796 | if (!ctx->regs_res) { |
| 1797 | dev_err(dev, "failed to find registers.\n"); |
| 1798 | ret = -ENOENT; |
| 1799 | goto err_clk; |
| 1800 | } |
| 1801 | |
| 1802 | ctx->regs = devm_request_and_ioremap(dev, ctx->regs_res); |
| 1803 | if (!ctx->regs) { |
| 1804 | dev_err(dev, "failed to map registers.\n"); |
| 1805 | ret = -ENXIO; |
| 1806 | goto err_clk; |
| 1807 | } |
| 1808 | |
| 1809 | /* resource irq */ |
| 1810 | res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); |
| 1811 | if (!res) { |
| 1812 | dev_err(dev, "failed to request irq resource.\n"); |
| 1813 | ret = -ENOENT; |
| 1814 | goto err_get_regs; |
| 1815 | } |
| 1816 | |
| 1817 | ctx->irq = res->start; |
| 1818 | ret = request_threaded_irq(ctx->irq, NULL, fimc_irq_handler, |
| 1819 | IRQF_ONESHOT, "drm_fimc", ctx); |
| 1820 | if (ret < 0) { |
| 1821 | dev_err(dev, "failed to request irq.\n"); |
| 1822 | goto err_get_regs; |
| 1823 | } |
| 1824 | |
| 1825 | /* context initailization */ |
| 1826 | ctx->id = pdev->id; |
| 1827 | ctx->pol = pdata->pol; |
| 1828 | ctx->ddata = ddata; |
| 1829 | |
| 1830 | ippdrv = &ctx->ippdrv; |
| 1831 | ippdrv->dev = dev; |
| 1832 | ippdrv->ops[EXYNOS_DRM_OPS_SRC] = &fimc_src_ops; |
| 1833 | ippdrv->ops[EXYNOS_DRM_OPS_DST] = &fimc_dst_ops; |
| 1834 | ippdrv->check_property = fimc_ippdrv_check_property; |
| 1835 | ippdrv->reset = fimc_ippdrv_reset; |
| 1836 | ippdrv->start = fimc_ippdrv_start; |
| 1837 | ippdrv->stop = fimc_ippdrv_stop; |
| 1838 | ret = fimc_init_prop_list(ippdrv); |
| 1839 | if (ret < 0) { |
| 1840 | dev_err(dev, "failed to init property list.\n"); |
| 1841 | goto err_get_irq; |
| 1842 | } |
| 1843 | |
| 1844 | DRM_DEBUG_KMS("%s:id[%d]ippdrv[0x%x]\n", __func__, ctx->id, |
| 1845 | (int)ippdrv); |
| 1846 | |
| 1847 | mutex_init(&ctx->lock); |
| 1848 | platform_set_drvdata(pdev, ctx); |
| 1849 | |
| 1850 | pm_runtime_set_active(dev); |
| 1851 | pm_runtime_enable(dev); |
| 1852 | |
| 1853 | ret = exynos_drm_ippdrv_register(ippdrv); |
| 1854 | if (ret < 0) { |
| 1855 | dev_err(dev, "failed to register drm fimc device.\n"); |
| 1856 | goto err_ippdrv_register; |
| 1857 | } |
| 1858 | |
| 1859 | dev_info(&pdev->dev, "drm fimc registered successfully.\n"); |
| 1860 | |
| 1861 | return 0; |
| 1862 | |
| 1863 | err_ippdrv_register: |
| 1864 | devm_kfree(dev, ippdrv->prop_list); |
| 1865 | pm_runtime_disable(dev); |
| 1866 | err_get_irq: |
| 1867 | free_irq(ctx->irq, ctx); |
| 1868 | err_get_regs: |
| 1869 | devm_iounmap(dev, ctx->regs); |
| 1870 | err_clk: |
| 1871 | clk_put(ctx->sclk_fimc_clk); |
| 1872 | clk_put(ctx->fimc_clk); |
| 1873 | clk_put(ctx->wb_clk); |
| 1874 | clk_put(ctx->wb_b_clk); |
| 1875 | err_ctx: |
| 1876 | devm_kfree(dev, ctx); |
| 1877 | return ret; |
| 1878 | } |
| 1879 | |
| 1880 | static int __devexit fimc_remove(struct platform_device *pdev) |
| 1881 | { |
| 1882 | struct device *dev = &pdev->dev; |
| 1883 | struct fimc_context *ctx = get_fimc_context(dev); |
| 1884 | struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv; |
| 1885 | |
| 1886 | devm_kfree(dev, ippdrv->prop_list); |
| 1887 | exynos_drm_ippdrv_unregister(ippdrv); |
| 1888 | mutex_destroy(&ctx->lock); |
| 1889 | |
| 1890 | pm_runtime_set_suspended(dev); |
| 1891 | pm_runtime_disable(dev); |
| 1892 | |
| 1893 | free_irq(ctx->irq, ctx); |
| 1894 | devm_iounmap(dev, ctx->regs); |
| 1895 | |
| 1896 | clk_put(ctx->sclk_fimc_clk); |
| 1897 | clk_put(ctx->fimc_clk); |
| 1898 | clk_put(ctx->wb_clk); |
| 1899 | clk_put(ctx->wb_b_clk); |
| 1900 | |
| 1901 | devm_kfree(dev, ctx); |
| 1902 | |
| 1903 | return 0; |
| 1904 | } |
| 1905 | |
| 1906 | #ifdef CONFIG_PM_SLEEP |
| 1907 | static int fimc_suspend(struct device *dev) |
| 1908 | { |
| 1909 | struct fimc_context *ctx = get_fimc_context(dev); |
| 1910 | |
| 1911 | DRM_DEBUG_KMS("%s:id[%d]\n", __func__, ctx->id); |
| 1912 | |
| 1913 | if (pm_runtime_suspended(dev)) |
| 1914 | return 0; |
| 1915 | |
| 1916 | return fimc_clk_ctrl(ctx, false); |
| 1917 | } |
| 1918 | |
| 1919 | static int fimc_resume(struct device *dev) |
| 1920 | { |
| 1921 | struct fimc_context *ctx = get_fimc_context(dev); |
| 1922 | |
| 1923 | DRM_DEBUG_KMS("%s:id[%d]\n", __func__, ctx->id); |
| 1924 | |
| 1925 | if (!pm_runtime_suspended(dev)) |
| 1926 | return fimc_clk_ctrl(ctx, true); |
| 1927 | |
| 1928 | return 0; |
| 1929 | } |
| 1930 | #endif |
| 1931 | |
| 1932 | #ifdef CONFIG_PM_RUNTIME |
| 1933 | static int fimc_runtime_suspend(struct device *dev) |
| 1934 | { |
| 1935 | struct fimc_context *ctx = get_fimc_context(dev); |
| 1936 | |
| 1937 | DRM_DEBUG_KMS("%s:id[%d]\n", __func__, ctx->id); |
| 1938 | |
| 1939 | return fimc_clk_ctrl(ctx, false); |
| 1940 | } |
| 1941 | |
| 1942 | static int fimc_runtime_resume(struct device *dev) |
| 1943 | { |
| 1944 | struct fimc_context *ctx = get_fimc_context(dev); |
| 1945 | |
| 1946 | DRM_DEBUG_KMS("%s:id[%d]\n", __func__, ctx->id); |
| 1947 | |
| 1948 | return fimc_clk_ctrl(ctx, true); |
| 1949 | } |
| 1950 | #endif |
| 1951 | |
| 1952 | static struct fimc_driverdata exynos4210_fimc_data = { |
| 1953 | .parent_clk = "mout_mpll", |
| 1954 | }; |
| 1955 | |
| 1956 | static struct fimc_driverdata exynos4410_fimc_data = { |
| 1957 | .parent_clk = "mout_mpll_user", |
| 1958 | }; |
| 1959 | |
| 1960 | static struct platform_device_id fimc_driver_ids[] = { |
| 1961 | { |
| 1962 | .name = "exynos4210-fimc", |
| 1963 | .driver_data = (unsigned long)&exynos4210_fimc_data, |
| 1964 | }, { |
| 1965 | .name = "exynos4412-fimc", |
| 1966 | .driver_data = (unsigned long)&exynos4410_fimc_data, |
| 1967 | }, |
| 1968 | {}, |
| 1969 | }; |
| 1970 | MODULE_DEVICE_TABLE(platform, fimc_driver_ids); |
| 1971 | |
| 1972 | static const struct dev_pm_ops fimc_pm_ops = { |
| 1973 | SET_SYSTEM_SLEEP_PM_OPS(fimc_suspend, fimc_resume) |
| 1974 | SET_RUNTIME_PM_OPS(fimc_runtime_suspend, fimc_runtime_resume, NULL) |
| 1975 | }; |
| 1976 | |
| 1977 | struct platform_driver fimc_driver = { |
| 1978 | .probe = fimc_probe, |
| 1979 | .remove = __devexit_p(fimc_remove), |
| 1980 | .id_table = fimc_driver_ids, |
| 1981 | .driver = { |
| 1982 | .name = "exynos-drm-fimc", |
| 1983 | .owner = THIS_MODULE, |
| 1984 | .pm = &fimc_pm_ops, |
| 1985 | }, |
| 1986 | }; |
| 1987 | |