2 * Copyright (C) 2012 Samsung Electronics Co.Ltd
4 * Eunchul Kim <chulspro.kim@samsung.com>
5 * Jinyoung Jeon <jy0.jeon@samsung.com>
6 * Sangmin Lee <lsmin.lee@samsung.com>
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.
14 #include <linux/kernel.h>
15 #include <linux/platform_device.h>
16 #include <linux/mfd/syscon.h>
17 #include <linux/regmap.h>
18 #include <linux/clk.h>
19 #include <linux/pm_runtime.h>
23 #include <drm/exynos_drm.h>
24 #include "regs-fimc.h"
25 #include "exynos_drm_drv.h"
26 #include "exynos_drm_ipp.h"
27 #include "exynos_drm_fimc.h"
30 * FIMC stands for Fully Interactive Mobile Camera and
31 * supports image scaler/rotator and input/output DMA operations.
32 * input DMA reads image data from the memory.
33 * output DMA writes image data to memory.
34 * FIMC supports image rotation and image effect functions.
36 * M2M operation : supports crop/scale/rotation/csc so on.
37 * Memory ----> FIMC H/W ----> Memory.
38 * Writeback operation : supports cloned screen with FIMD.
39 * FIMD ----> FIMC H/W ----> Memory.
40 * Output operation : supports direct display using local path.
41 * Memory ----> FIMC H/W ----> FIMD.
46 * 1. check suspend/resume api if needed.
47 * 2. need to check use case platform_device_id.
48 * 3. check src/dst size with, height.
49 * 4. added check_prepare api for right register.
50 * 5. need to add supported list in prop_list.
51 * 6. check prescaler/scaler optimization.
54 #define FIMC_MAX_DEVS 4
55 #define FIMC_MAX_SRC 2
56 #define FIMC_MAX_DST 32
57 #define FIMC_SHFACTOR 10
58 #define FIMC_BUF_STOP 1
59 #define FIMC_BUF_START 2
60 #define FIMC_REG_SZ 32
61 #define FIMC_WIDTH_ITU_709 1280
62 #define FIMC_REFRESH_MAX 60
63 #define FIMC_REFRESH_MIN 12
64 #define FIMC_CROP_MAX 8192
65 #define FIMC_CROP_MIN 32
66 #define FIMC_SCALE_MAX 4224
67 #define FIMC_SCALE_MIN 32
69 #define get_fimc_context(dev) platform_get_drvdata(to_platform_device(dev))
70 #define get_ctx_from_ippdrv(ippdrv) container_of(ippdrv,\
71 struct fimc_context, ippdrv);
72 #define fimc_read(offset) readl(ctx->regs + (offset))
73 #define fimc_write(cfg, offset) writel(cfg, ctx->regs + (offset))
91 static const char * const fimc_clock_names[] = {
92 [FIMC_CLK_LCLK] = "sclk_fimc",
93 [FIMC_CLK_GATE] = "fimc",
94 [FIMC_CLK_WB_A] = "pxl_async0",
95 [FIMC_CLK_WB_B] = "pxl_async1",
96 [FIMC_CLK_MUX] = "mux",
97 [FIMC_CLK_PARENT] = "parent",
100 #define FIMC_DEFAULT_LCLK_FREQUENCY 133000000UL
103 * A structure of scaler.
105 * @range: narrow, wide.
106 * @bypass: unused scaler path.
107 * @up_h: horizontal scale up.
108 * @up_v: vertical scale up.
109 * @hratio: horizontal ratio.
110 * @vratio: vertical ratio.
122 * A structure of scaler capability.
124 * find user manual table 43-1.
125 * @in_hori: scaler input horizontal size.
126 * @bypass: scaler bypass mode.
127 * @dst_h_wo_rot: target horizontal size without output rotation.
128 * @dst_h_rot: target horizontal size with output rotation.
129 * @rl_w_wo_rot: real width without input rotation.
130 * @rl_h_rot: real height without output rotation.
132 struct fimc_capability {
145 * A structure of fimc context.
147 * @ippdrv: prepare initialization using ippdrv.
148 * @regs_res: register resources.
149 * @regs: memory mapped io registers.
150 * @lock: locking of operations.
151 * @clocks: fimc clocks.
152 * @clk_frequency: LCLK clock frequency.
153 * @sysreg: handle to SYSREG block regmap.
154 * @sc: scaler infomations.
155 * @pol: porarity of writeback.
158 * @suspended: qos operations.
160 struct fimc_context {
161 struct exynos_drm_ippdrv ippdrv;
162 struct resource *regs_res;
165 struct clk *clocks[FIMC_CLKS_MAX];
167 struct regmap *sysreg;
168 struct fimc_scaler sc;
169 struct exynos_drm_ipp_pol pol;
175 static void fimc_sw_reset(struct fimc_context *ctx)
179 /* stop dma operation */
180 cfg = fimc_read(EXYNOS_CISTATUS);
181 if (EXYNOS_CISTATUS_GET_ENVID_STATUS(cfg)) {
182 cfg = fimc_read(EXYNOS_MSCTRL);
183 cfg &= ~EXYNOS_MSCTRL_ENVID;
184 fimc_write(cfg, EXYNOS_MSCTRL);
187 cfg = fimc_read(EXYNOS_CISRCFMT);
188 cfg |= EXYNOS_CISRCFMT_ITU601_8BIT;
189 fimc_write(cfg, EXYNOS_CISRCFMT);
191 /* disable image capture */
192 cfg = fimc_read(EXYNOS_CIIMGCPT);
193 cfg &= ~(EXYNOS_CIIMGCPT_IMGCPTEN_SC | EXYNOS_CIIMGCPT_IMGCPTEN);
194 fimc_write(cfg, EXYNOS_CIIMGCPT);
197 cfg = fimc_read(EXYNOS_CIGCTRL);
198 cfg |= (EXYNOS_CIGCTRL_SWRST);
199 fimc_write(cfg, EXYNOS_CIGCTRL);
201 /* s/w reset complete */
202 cfg = fimc_read(EXYNOS_CIGCTRL);
203 cfg &= ~EXYNOS_CIGCTRL_SWRST;
204 fimc_write(cfg, EXYNOS_CIGCTRL);
207 fimc_write(0x0, EXYNOS_CIFCNTSEQ);
210 static int fimc_set_camblk_fimd0_wb(struct fimc_context *ctx)
212 return regmap_update_bits(ctx->sysreg, SYSREG_CAMERA_BLK,
213 SYSREG_FIMD0WB_DEST_MASK,
214 ctx->id << SYSREG_FIMD0WB_DEST_SHIFT);
217 static void fimc_set_type_ctrl(struct fimc_context *ctx, enum fimc_wb wb)
221 DRM_DEBUG_KMS("wb[%d]\n", wb);
223 cfg = fimc_read(EXYNOS_CIGCTRL);
224 cfg &= ~(EXYNOS_CIGCTRL_TESTPATTERN_MASK |
225 EXYNOS_CIGCTRL_SELCAM_ITU_MASK |
226 EXYNOS_CIGCTRL_SELCAM_MIPI_MASK |
227 EXYNOS_CIGCTRL_SELCAM_FIMC_MASK |
228 EXYNOS_CIGCTRL_SELWB_CAMIF_MASK |
229 EXYNOS_CIGCTRL_SELWRITEBACK_MASK);
233 cfg |= (EXYNOS_CIGCTRL_SELWRITEBACK_A |
234 EXYNOS_CIGCTRL_SELWB_CAMIF_WRITEBACK);
237 cfg |= (EXYNOS_CIGCTRL_SELWRITEBACK_B |
238 EXYNOS_CIGCTRL_SELWB_CAMIF_WRITEBACK);
242 cfg |= (EXYNOS_CIGCTRL_SELCAM_ITU_A |
243 EXYNOS_CIGCTRL_SELWRITEBACK_A |
244 EXYNOS_CIGCTRL_SELCAM_MIPI_A |
245 EXYNOS_CIGCTRL_SELCAM_FIMC_ITU);
249 fimc_write(cfg, EXYNOS_CIGCTRL);
252 static void fimc_set_polarity(struct fimc_context *ctx,
253 struct exynos_drm_ipp_pol *pol)
257 DRM_DEBUG_KMS("inv_pclk[%d]inv_vsync[%d]\n",
258 pol->inv_pclk, pol->inv_vsync);
259 DRM_DEBUG_KMS("inv_href[%d]inv_hsync[%d]\n",
260 pol->inv_href, pol->inv_hsync);
262 cfg = fimc_read(EXYNOS_CIGCTRL);
263 cfg &= ~(EXYNOS_CIGCTRL_INVPOLPCLK | EXYNOS_CIGCTRL_INVPOLVSYNC |
264 EXYNOS_CIGCTRL_INVPOLHREF | EXYNOS_CIGCTRL_INVPOLHSYNC);
267 cfg |= EXYNOS_CIGCTRL_INVPOLPCLK;
269 cfg |= EXYNOS_CIGCTRL_INVPOLVSYNC;
271 cfg |= EXYNOS_CIGCTRL_INVPOLHREF;
273 cfg |= EXYNOS_CIGCTRL_INVPOLHSYNC;
275 fimc_write(cfg, EXYNOS_CIGCTRL);
278 static void fimc_handle_jpeg(struct fimc_context *ctx, bool enable)
282 DRM_DEBUG_KMS("enable[%d]\n", enable);
284 cfg = fimc_read(EXYNOS_CIGCTRL);
286 cfg |= EXYNOS_CIGCTRL_CAM_JPEG;
288 cfg &= ~EXYNOS_CIGCTRL_CAM_JPEG;
290 fimc_write(cfg, EXYNOS_CIGCTRL);
293 static void fimc_handle_irq(struct fimc_context *ctx, bool enable,
294 bool overflow, bool level)
298 DRM_DEBUG_KMS("enable[%d]overflow[%d]level[%d]\n",
299 enable, overflow, level);
301 cfg = fimc_read(EXYNOS_CIGCTRL);
303 cfg &= ~(EXYNOS_CIGCTRL_IRQ_OVFEN | EXYNOS_CIGCTRL_IRQ_LEVEL);
304 cfg |= EXYNOS_CIGCTRL_IRQ_ENABLE;
306 cfg |= EXYNOS_CIGCTRL_IRQ_OVFEN;
308 cfg |= EXYNOS_CIGCTRL_IRQ_LEVEL;
310 cfg &= ~(EXYNOS_CIGCTRL_IRQ_OVFEN | EXYNOS_CIGCTRL_IRQ_ENABLE);
312 fimc_write(cfg, EXYNOS_CIGCTRL);
315 static void fimc_clear_irq(struct fimc_context *ctx)
319 cfg = fimc_read(EXYNOS_CIGCTRL);
320 cfg |= EXYNOS_CIGCTRL_IRQ_CLR;
321 fimc_write(cfg, EXYNOS_CIGCTRL);
324 static bool fimc_check_ovf(struct fimc_context *ctx)
326 struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
327 u32 cfg, status, flag;
329 status = fimc_read(EXYNOS_CISTATUS);
330 flag = EXYNOS_CISTATUS_OVFIY | EXYNOS_CISTATUS_OVFICB |
331 EXYNOS_CISTATUS_OVFICR;
333 DRM_DEBUG_KMS("flag[0x%x]\n", flag);
336 cfg = fimc_read(EXYNOS_CIWDOFST);
337 cfg |= (EXYNOS_CIWDOFST_CLROVFIY | EXYNOS_CIWDOFST_CLROVFICB |
338 EXYNOS_CIWDOFST_CLROVFICR);
340 fimc_write(cfg, EXYNOS_CIWDOFST);
342 cfg = fimc_read(EXYNOS_CIWDOFST);
343 cfg &= ~(EXYNOS_CIWDOFST_CLROVFIY | EXYNOS_CIWDOFST_CLROVFICB |
344 EXYNOS_CIWDOFST_CLROVFICR);
346 fimc_write(cfg, EXYNOS_CIWDOFST);
348 dev_err(ippdrv->dev, "occurred overflow at %d, status 0x%x.\n",
356 static bool fimc_check_frame_end(struct fimc_context *ctx)
360 cfg = fimc_read(EXYNOS_CISTATUS);
362 DRM_DEBUG_KMS("cfg[0x%x]\n", cfg);
364 if (!(cfg & EXYNOS_CISTATUS_FRAMEEND))
367 cfg &= ~(EXYNOS_CISTATUS_FRAMEEND);
368 fimc_write(cfg, EXYNOS_CISTATUS);
373 static int fimc_get_buf_id(struct fimc_context *ctx)
376 int frame_cnt, buf_id;
378 cfg = fimc_read(EXYNOS_CISTATUS2);
379 frame_cnt = EXYNOS_CISTATUS2_GET_FRAMECOUNT_BEFORE(cfg);
382 frame_cnt = EXYNOS_CISTATUS2_GET_FRAMECOUNT_PRESENT(cfg);
384 DRM_DEBUG_KMS("present[%d]before[%d]\n",
385 EXYNOS_CISTATUS2_GET_FRAMECOUNT_PRESENT(cfg),
386 EXYNOS_CISTATUS2_GET_FRAMECOUNT_BEFORE(cfg));
388 if (frame_cnt == 0) {
389 DRM_ERROR("failed to get frame count.\n");
393 buf_id = frame_cnt - 1;
394 DRM_DEBUG_KMS("buf_id[%d]\n", buf_id);
399 static void fimc_handle_lastend(struct fimc_context *ctx, bool enable)
403 DRM_DEBUG_KMS("enable[%d]\n", enable);
405 cfg = fimc_read(EXYNOS_CIOCTRL);
407 cfg |= EXYNOS_CIOCTRL_LASTENDEN;
409 cfg &= ~EXYNOS_CIOCTRL_LASTENDEN;
411 fimc_write(cfg, EXYNOS_CIOCTRL);
415 static int fimc_src_set_fmt_order(struct fimc_context *ctx, u32 fmt)
417 struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
420 DRM_DEBUG_KMS("fmt[0x%x]\n", fmt);
423 cfg = fimc_read(EXYNOS_CISCCTRL);
424 cfg &= ~EXYNOS_CISCCTRL_INRGB_FMT_RGB_MASK;
427 case DRM_FORMAT_RGB565:
428 cfg |= EXYNOS_CISCCTRL_INRGB_FMT_RGB565;
429 fimc_write(cfg, EXYNOS_CISCCTRL);
431 case DRM_FORMAT_RGB888:
432 case DRM_FORMAT_XRGB8888:
433 cfg |= EXYNOS_CISCCTRL_INRGB_FMT_RGB888;
434 fimc_write(cfg, EXYNOS_CISCCTRL);
442 cfg = fimc_read(EXYNOS_MSCTRL);
443 cfg &= ~(EXYNOS_MSCTRL_ORDER2P_SHIFT_MASK |
444 EXYNOS_MSCTRL_C_INT_IN_2PLANE |
445 EXYNOS_MSCTRL_ORDER422_YCBYCR);
448 case DRM_FORMAT_YUYV:
449 cfg |= EXYNOS_MSCTRL_ORDER422_YCBYCR;
451 case DRM_FORMAT_YVYU:
452 cfg |= EXYNOS_MSCTRL_ORDER422_YCRYCB;
454 case DRM_FORMAT_UYVY:
455 cfg |= EXYNOS_MSCTRL_ORDER422_CBYCRY;
457 case DRM_FORMAT_VYUY:
458 case DRM_FORMAT_YUV444:
459 cfg |= EXYNOS_MSCTRL_ORDER422_CRYCBY;
461 case DRM_FORMAT_NV21:
462 case DRM_FORMAT_NV61:
463 cfg |= (EXYNOS_MSCTRL_ORDER2P_LSB_CRCB |
464 EXYNOS_MSCTRL_C_INT_IN_2PLANE);
466 case DRM_FORMAT_YUV422:
467 case DRM_FORMAT_YUV420:
468 case DRM_FORMAT_YVU420:
469 cfg |= EXYNOS_MSCTRL_C_INT_IN_3PLANE;
471 case DRM_FORMAT_NV12:
472 case DRM_FORMAT_NV12MT:
473 case DRM_FORMAT_NV16:
474 cfg |= (EXYNOS_MSCTRL_ORDER2P_LSB_CBCR |
475 EXYNOS_MSCTRL_C_INT_IN_2PLANE);
478 dev_err(ippdrv->dev, "inavlid source yuv order 0x%x.\n", fmt);
482 fimc_write(cfg, EXYNOS_MSCTRL);
487 static int fimc_src_set_fmt(struct device *dev, u32 fmt)
489 struct fimc_context *ctx = get_fimc_context(dev);
490 struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
493 DRM_DEBUG_KMS("fmt[0x%x]\n", fmt);
495 cfg = fimc_read(EXYNOS_MSCTRL);
496 cfg &= ~EXYNOS_MSCTRL_INFORMAT_RGB;
499 case DRM_FORMAT_RGB565:
500 case DRM_FORMAT_RGB888:
501 case DRM_FORMAT_XRGB8888:
502 cfg |= EXYNOS_MSCTRL_INFORMAT_RGB;
504 case DRM_FORMAT_YUV444:
505 cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR420;
507 case DRM_FORMAT_YUYV:
508 case DRM_FORMAT_YVYU:
509 case DRM_FORMAT_UYVY:
510 case DRM_FORMAT_VYUY:
511 cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR422_1PLANE;
513 case DRM_FORMAT_NV16:
514 case DRM_FORMAT_NV61:
515 case DRM_FORMAT_YUV422:
516 cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR422;
518 case DRM_FORMAT_YUV420:
519 case DRM_FORMAT_YVU420:
520 case DRM_FORMAT_NV12:
521 case DRM_FORMAT_NV21:
522 case DRM_FORMAT_NV12MT:
523 cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR420;
526 dev_err(ippdrv->dev, "inavlid source format 0x%x.\n", fmt);
530 fimc_write(cfg, EXYNOS_MSCTRL);
532 cfg = fimc_read(EXYNOS_CIDMAPARAM);
533 cfg &= ~EXYNOS_CIDMAPARAM_R_MODE_MASK;
535 if (fmt == DRM_FORMAT_NV12MT)
536 cfg |= EXYNOS_CIDMAPARAM_R_MODE_64X32;
538 cfg |= EXYNOS_CIDMAPARAM_R_MODE_LINEAR;
540 fimc_write(cfg, EXYNOS_CIDMAPARAM);
542 return fimc_src_set_fmt_order(ctx, fmt);
545 static int fimc_src_set_transf(struct device *dev,
546 enum drm_exynos_degree degree,
547 enum drm_exynos_flip flip, bool *swap)
549 struct fimc_context *ctx = get_fimc_context(dev);
550 struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
553 DRM_DEBUG_KMS("degree[%d]flip[0x%x]\n", degree, flip);
555 cfg1 = fimc_read(EXYNOS_MSCTRL);
556 cfg1 &= ~(EXYNOS_MSCTRL_FLIP_X_MIRROR |
557 EXYNOS_MSCTRL_FLIP_Y_MIRROR);
559 cfg2 = fimc_read(EXYNOS_CITRGFMT);
560 cfg2 &= ~EXYNOS_CITRGFMT_INROT90_CLOCKWISE;
563 case EXYNOS_DRM_DEGREE_0:
564 if (flip & EXYNOS_DRM_FLIP_VERTICAL)
565 cfg1 |= EXYNOS_MSCTRL_FLIP_X_MIRROR;
566 if (flip & EXYNOS_DRM_FLIP_HORIZONTAL)
567 cfg1 |= EXYNOS_MSCTRL_FLIP_Y_MIRROR;
569 case EXYNOS_DRM_DEGREE_90:
570 cfg2 |= EXYNOS_CITRGFMT_INROT90_CLOCKWISE;
571 if (flip & EXYNOS_DRM_FLIP_VERTICAL)
572 cfg1 |= EXYNOS_MSCTRL_FLIP_X_MIRROR;
573 if (flip & EXYNOS_DRM_FLIP_HORIZONTAL)
574 cfg1 |= EXYNOS_MSCTRL_FLIP_Y_MIRROR;
576 case EXYNOS_DRM_DEGREE_180:
577 cfg1 |= (EXYNOS_MSCTRL_FLIP_X_MIRROR |
578 EXYNOS_MSCTRL_FLIP_Y_MIRROR);
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;
584 case EXYNOS_DRM_DEGREE_270:
585 cfg1 |= (EXYNOS_MSCTRL_FLIP_X_MIRROR |
586 EXYNOS_MSCTRL_FLIP_Y_MIRROR);
587 cfg2 |= EXYNOS_CITRGFMT_INROT90_CLOCKWISE;
588 if (flip & EXYNOS_DRM_FLIP_VERTICAL)
589 cfg1 &= ~EXYNOS_MSCTRL_FLIP_X_MIRROR;
590 if (flip & EXYNOS_DRM_FLIP_HORIZONTAL)
591 cfg1 &= ~EXYNOS_MSCTRL_FLIP_Y_MIRROR;
594 dev_err(ippdrv->dev, "inavlid degree value %d.\n", degree);
598 fimc_write(cfg1, EXYNOS_MSCTRL);
599 fimc_write(cfg2, EXYNOS_CITRGFMT);
600 *swap = (cfg2 & EXYNOS_CITRGFMT_INROT90_CLOCKWISE) ? 1 : 0;
605 static int fimc_set_window(struct fimc_context *ctx,
606 struct drm_exynos_pos *pos, struct drm_exynos_sz *sz)
608 u32 cfg, h1, h2, v1, v2;
612 h2 = sz->hsize - pos->w - pos->x;
614 v2 = sz->vsize - pos->h - pos->y;
616 DRM_DEBUG_KMS("x[%d]y[%d]w[%d]h[%d]hsize[%d]vsize[%d]\n",
617 pos->x, pos->y, pos->w, pos->h, sz->hsize, sz->vsize);
618 DRM_DEBUG_KMS("h1[%d]h2[%d]v1[%d]v2[%d]\n", h1, h2, v1, v2);
621 * set window offset 1, 2 size
622 * check figure 43-21 in user manual
624 cfg = fimc_read(EXYNOS_CIWDOFST);
625 cfg &= ~(EXYNOS_CIWDOFST_WINHOROFST_MASK |
626 EXYNOS_CIWDOFST_WINVEROFST_MASK);
627 cfg |= (EXYNOS_CIWDOFST_WINHOROFST(h1) |
628 EXYNOS_CIWDOFST_WINVEROFST(v1));
629 cfg |= EXYNOS_CIWDOFST_WINOFSEN;
630 fimc_write(cfg, EXYNOS_CIWDOFST);
632 cfg = (EXYNOS_CIWDOFST2_WINHOROFST2(h2) |
633 EXYNOS_CIWDOFST2_WINVEROFST2(v2));
634 fimc_write(cfg, EXYNOS_CIWDOFST2);
639 static int fimc_src_set_size(struct device *dev, int swap,
640 struct drm_exynos_pos *pos, struct drm_exynos_sz *sz)
642 struct fimc_context *ctx = get_fimc_context(dev);
643 struct drm_exynos_pos img_pos = *pos;
644 struct drm_exynos_sz img_sz = *sz;
647 DRM_DEBUG_KMS("swap[%d]hsize[%d]vsize[%d]\n",
648 swap, sz->hsize, sz->vsize);
651 cfg = (EXYNOS_ORGISIZE_HORIZONTAL(img_sz.hsize) |
652 EXYNOS_ORGISIZE_VERTICAL(img_sz.vsize));
654 fimc_write(cfg, EXYNOS_ORGISIZE);
656 DRM_DEBUG_KMS("x[%d]y[%d]w[%d]h[%d]\n", pos->x, pos->y, pos->w, pos->h);
661 img_sz.hsize = sz->vsize;
662 img_sz.vsize = sz->hsize;
665 /* set input DMA image size */
666 cfg = fimc_read(EXYNOS_CIREAL_ISIZE);
667 cfg &= ~(EXYNOS_CIREAL_ISIZE_HEIGHT_MASK |
668 EXYNOS_CIREAL_ISIZE_WIDTH_MASK);
669 cfg |= (EXYNOS_CIREAL_ISIZE_WIDTH(img_pos.w) |
670 EXYNOS_CIREAL_ISIZE_HEIGHT(img_pos.h));
671 fimc_write(cfg, EXYNOS_CIREAL_ISIZE);
674 * set input FIFO image size
675 * for now, we support only ITU601 8 bit mode
677 cfg = (EXYNOS_CISRCFMT_ITU601_8BIT |
678 EXYNOS_CISRCFMT_SOURCEHSIZE(img_sz.hsize) |
679 EXYNOS_CISRCFMT_SOURCEVSIZE(img_sz.vsize));
680 fimc_write(cfg, EXYNOS_CISRCFMT);
682 /* offset Y(RGB), Cb, Cr */
683 cfg = (EXYNOS_CIIYOFF_HORIZONTAL(img_pos.x) |
684 EXYNOS_CIIYOFF_VERTICAL(img_pos.y));
685 fimc_write(cfg, EXYNOS_CIIYOFF);
686 cfg = (EXYNOS_CIICBOFF_HORIZONTAL(img_pos.x) |
687 EXYNOS_CIICBOFF_VERTICAL(img_pos.y));
688 fimc_write(cfg, EXYNOS_CIICBOFF);
689 cfg = (EXYNOS_CIICROFF_HORIZONTAL(img_pos.x) |
690 EXYNOS_CIICROFF_VERTICAL(img_pos.y));
691 fimc_write(cfg, EXYNOS_CIICROFF);
693 return fimc_set_window(ctx, &img_pos, &img_sz);
696 static int fimc_src_set_addr(struct device *dev,
697 struct drm_exynos_ipp_buf_info *buf_info, u32 buf_id,
698 enum drm_exynos_ipp_buf_type buf_type)
700 struct fimc_context *ctx = get_fimc_context(dev);
701 struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
702 struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
703 struct drm_exynos_ipp_property *property;
704 struct drm_exynos_ipp_config *config;
707 DRM_ERROR("failed to get c_node.\n");
711 property = &c_node->property;
713 DRM_DEBUG_KMS("prop_id[%d]buf_id[%d]buf_type[%d]\n",
714 property->prop_id, buf_id, buf_type);
716 if (buf_id > FIMC_MAX_SRC) {
717 dev_info(ippdrv->dev, "inavlid buf_id %d.\n", buf_id);
721 /* address register set */
723 case IPP_BUF_ENQUEUE:
724 config = &property->config[EXYNOS_DRM_OPS_SRC];
725 fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_Y],
726 EXYNOS_CIIYSA(buf_id));
728 if (config->fmt == DRM_FORMAT_YVU420) {
729 fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CR],
730 EXYNOS_CIICBSA(buf_id));
731 fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CB],
732 EXYNOS_CIICRSA(buf_id));
734 fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CB],
735 EXYNOS_CIICBSA(buf_id));
736 fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CR],
737 EXYNOS_CIICRSA(buf_id));
740 case IPP_BUF_DEQUEUE:
741 fimc_write(0x0, EXYNOS_CIIYSA(buf_id));
742 fimc_write(0x0, EXYNOS_CIICBSA(buf_id));
743 fimc_write(0x0, EXYNOS_CIICRSA(buf_id));
753 static struct exynos_drm_ipp_ops fimc_src_ops = {
754 .set_fmt = fimc_src_set_fmt,
755 .set_transf = fimc_src_set_transf,
756 .set_size = fimc_src_set_size,
757 .set_addr = fimc_src_set_addr,
760 static int fimc_dst_set_fmt_order(struct fimc_context *ctx, u32 fmt)
762 struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
765 DRM_DEBUG_KMS("fmt[0x%x]\n", fmt);
768 cfg = fimc_read(EXYNOS_CISCCTRL);
769 cfg &= ~EXYNOS_CISCCTRL_OUTRGB_FMT_RGB_MASK;
772 case DRM_FORMAT_RGB565:
773 cfg |= EXYNOS_CISCCTRL_OUTRGB_FMT_RGB565;
774 fimc_write(cfg, EXYNOS_CISCCTRL);
776 case DRM_FORMAT_RGB888:
777 cfg |= EXYNOS_CISCCTRL_OUTRGB_FMT_RGB888;
778 fimc_write(cfg, EXYNOS_CISCCTRL);
780 case DRM_FORMAT_XRGB8888:
781 cfg |= (EXYNOS_CISCCTRL_OUTRGB_FMT_RGB888 |
782 EXYNOS_CISCCTRL_EXTRGB_EXTENSION);
783 fimc_write(cfg, EXYNOS_CISCCTRL);
791 cfg = fimc_read(EXYNOS_CIOCTRL);
792 cfg &= ~(EXYNOS_CIOCTRL_ORDER2P_MASK |
793 EXYNOS_CIOCTRL_ORDER422_MASK |
794 EXYNOS_CIOCTRL_YCBCR_PLANE_MASK);
797 case DRM_FORMAT_XRGB8888:
798 cfg |= EXYNOS_CIOCTRL_ALPHA_OUT;
800 case DRM_FORMAT_YUYV:
801 cfg |= EXYNOS_CIOCTRL_ORDER422_YCBYCR;
803 case DRM_FORMAT_YVYU:
804 cfg |= EXYNOS_CIOCTRL_ORDER422_YCRYCB;
806 case DRM_FORMAT_UYVY:
807 cfg |= EXYNOS_CIOCTRL_ORDER422_CBYCRY;
809 case DRM_FORMAT_VYUY:
810 cfg |= EXYNOS_CIOCTRL_ORDER422_CRYCBY;
812 case DRM_FORMAT_NV21:
813 case DRM_FORMAT_NV61:
814 cfg |= EXYNOS_CIOCTRL_ORDER2P_LSB_CRCB;
815 cfg |= EXYNOS_CIOCTRL_YCBCR_2PLANE;
817 case DRM_FORMAT_YUV422:
818 case DRM_FORMAT_YUV420:
819 case DRM_FORMAT_YVU420:
820 cfg |= EXYNOS_CIOCTRL_YCBCR_3PLANE;
822 case DRM_FORMAT_NV12:
823 case DRM_FORMAT_NV12MT:
824 case DRM_FORMAT_NV16:
825 cfg |= EXYNOS_CIOCTRL_ORDER2P_LSB_CBCR;
826 cfg |= EXYNOS_CIOCTRL_YCBCR_2PLANE;
829 dev_err(ippdrv->dev, "inavlid target yuv order 0x%x.\n", fmt);
833 fimc_write(cfg, EXYNOS_CIOCTRL);
838 static int fimc_dst_set_fmt(struct device *dev, u32 fmt)
840 struct fimc_context *ctx = get_fimc_context(dev);
841 struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
844 DRM_DEBUG_KMS("fmt[0x%x]\n", fmt);
846 cfg = fimc_read(EXYNOS_CIEXTEN);
848 if (fmt == DRM_FORMAT_AYUV) {
849 cfg |= EXYNOS_CIEXTEN_YUV444_OUT;
850 fimc_write(cfg, EXYNOS_CIEXTEN);
852 cfg &= ~EXYNOS_CIEXTEN_YUV444_OUT;
853 fimc_write(cfg, EXYNOS_CIEXTEN);
855 cfg = fimc_read(EXYNOS_CITRGFMT);
856 cfg &= ~EXYNOS_CITRGFMT_OUTFORMAT_MASK;
859 case DRM_FORMAT_RGB565:
860 case DRM_FORMAT_RGB888:
861 case DRM_FORMAT_XRGB8888:
862 cfg |= EXYNOS_CITRGFMT_OUTFORMAT_RGB;
864 case DRM_FORMAT_YUYV:
865 case DRM_FORMAT_YVYU:
866 case DRM_FORMAT_UYVY:
867 case DRM_FORMAT_VYUY:
868 cfg |= EXYNOS_CITRGFMT_OUTFORMAT_YCBCR422_1PLANE;
870 case DRM_FORMAT_NV16:
871 case DRM_FORMAT_NV61:
872 case DRM_FORMAT_YUV422:
873 cfg |= EXYNOS_CITRGFMT_OUTFORMAT_YCBCR422;
875 case DRM_FORMAT_YUV420:
876 case DRM_FORMAT_YVU420:
877 case DRM_FORMAT_NV12:
878 case DRM_FORMAT_NV12MT:
879 case DRM_FORMAT_NV21:
880 cfg |= EXYNOS_CITRGFMT_OUTFORMAT_YCBCR420;
883 dev_err(ippdrv->dev, "inavlid target format 0x%x.\n",
888 fimc_write(cfg, EXYNOS_CITRGFMT);
891 cfg = fimc_read(EXYNOS_CIDMAPARAM);
892 cfg &= ~EXYNOS_CIDMAPARAM_W_MODE_MASK;
894 if (fmt == DRM_FORMAT_NV12MT)
895 cfg |= EXYNOS_CIDMAPARAM_W_MODE_64X32;
897 cfg |= EXYNOS_CIDMAPARAM_W_MODE_LINEAR;
899 fimc_write(cfg, EXYNOS_CIDMAPARAM);
901 return fimc_dst_set_fmt_order(ctx, fmt);
904 static int fimc_dst_set_transf(struct device *dev,
905 enum drm_exynos_degree degree,
906 enum drm_exynos_flip flip, bool *swap)
908 struct fimc_context *ctx = get_fimc_context(dev);
909 struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
912 DRM_DEBUG_KMS("degree[%d]flip[0x%x]\n", degree, flip);
914 cfg = fimc_read(EXYNOS_CITRGFMT);
915 cfg &= ~EXYNOS_CITRGFMT_FLIP_MASK;
916 cfg &= ~EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE;
919 case EXYNOS_DRM_DEGREE_0:
920 if (flip & EXYNOS_DRM_FLIP_VERTICAL)
921 cfg |= EXYNOS_CITRGFMT_FLIP_X_MIRROR;
922 if (flip & EXYNOS_DRM_FLIP_HORIZONTAL)
923 cfg |= EXYNOS_CITRGFMT_FLIP_Y_MIRROR;
925 case EXYNOS_DRM_DEGREE_90:
926 cfg |= EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE;
927 if (flip & EXYNOS_DRM_FLIP_VERTICAL)
928 cfg |= EXYNOS_CITRGFMT_FLIP_X_MIRROR;
929 if (flip & EXYNOS_DRM_FLIP_HORIZONTAL)
930 cfg |= EXYNOS_CITRGFMT_FLIP_Y_MIRROR;
932 case EXYNOS_DRM_DEGREE_180:
933 cfg |= (EXYNOS_CITRGFMT_FLIP_X_MIRROR |
934 EXYNOS_CITRGFMT_FLIP_Y_MIRROR);
935 if (flip & EXYNOS_DRM_FLIP_VERTICAL)
936 cfg &= ~EXYNOS_CITRGFMT_FLIP_X_MIRROR;
937 if (flip & EXYNOS_DRM_FLIP_HORIZONTAL)
938 cfg &= ~EXYNOS_CITRGFMT_FLIP_Y_MIRROR;
940 case EXYNOS_DRM_DEGREE_270:
941 cfg |= (EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE |
942 EXYNOS_CITRGFMT_FLIP_X_MIRROR |
943 EXYNOS_CITRGFMT_FLIP_Y_MIRROR);
944 if (flip & EXYNOS_DRM_FLIP_VERTICAL)
945 cfg &= ~EXYNOS_CITRGFMT_FLIP_X_MIRROR;
946 if (flip & EXYNOS_DRM_FLIP_HORIZONTAL)
947 cfg &= ~EXYNOS_CITRGFMT_FLIP_Y_MIRROR;
950 dev_err(ippdrv->dev, "inavlid degree value %d.\n", degree);
954 fimc_write(cfg, EXYNOS_CITRGFMT);
955 *swap = (cfg & EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE) ? 1 : 0;
960 static int fimc_get_ratio_shift(u32 src, u32 dst, u32 *ratio, u32 *shift)
962 DRM_DEBUG_KMS("src[%d]dst[%d]\n", src, dst);
964 if (src >= dst * 64) {
965 DRM_ERROR("failed to make ratio and shift.\n");
967 } else if (src >= dst * 32) {
970 } else if (src >= dst * 16) {
973 } else if (src >= dst * 8) {
976 } else if (src >= dst * 4) {
979 } else if (src >= dst * 2) {
990 static int fimc_set_prescaler(struct fimc_context *ctx, struct fimc_scaler *sc,
991 struct drm_exynos_pos *src, struct drm_exynos_pos *dst)
993 struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
994 u32 cfg, cfg_ext, shfactor;
995 u32 pre_dst_width, pre_dst_height;
996 u32 pre_hratio, hfactor, pre_vratio, vfactor;
998 u32 src_w, src_h, dst_w, dst_h;
1000 cfg_ext = fimc_read(EXYNOS_CITRGFMT);
1001 if (cfg_ext & EXYNOS_CITRGFMT_INROT90_CLOCKWISE) {
1009 if (cfg_ext & EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE) {
1017 ret = fimc_get_ratio_shift(src_w, dst_w, &pre_hratio, &hfactor);
1019 dev_err(ippdrv->dev, "failed to get ratio horizontal.\n");
1023 ret = fimc_get_ratio_shift(src_h, dst_h, &pre_vratio, &vfactor);
1025 dev_err(ippdrv->dev, "failed to get ratio vertical.\n");
1029 pre_dst_width = src_w / pre_hratio;
1030 pre_dst_height = src_h / pre_vratio;
1031 DRM_DEBUG_KMS("pre_dst_width[%d]pre_dst_height[%d]\n",
1032 pre_dst_width, pre_dst_height);
1033 DRM_DEBUG_KMS("pre_hratio[%d]hfactor[%d]pre_vratio[%d]vfactor[%d]\n",
1034 pre_hratio, hfactor, pre_vratio, vfactor);
1036 sc->hratio = (src_w << 14) / (dst_w << hfactor);
1037 sc->vratio = (src_h << 14) / (dst_h << vfactor);
1038 sc->up_h = (dst_w >= src_w) ? true : false;
1039 sc->up_v = (dst_h >= src_h) ? true : false;
1040 DRM_DEBUG_KMS("hratio[%d]vratio[%d]up_h[%d]up_v[%d]\n",
1041 sc->hratio, sc->vratio, sc->up_h, sc->up_v);
1043 shfactor = FIMC_SHFACTOR - (hfactor + vfactor);
1044 DRM_DEBUG_KMS("shfactor[%d]\n", shfactor);
1046 cfg = (EXYNOS_CISCPRERATIO_SHFACTOR(shfactor) |
1047 EXYNOS_CISCPRERATIO_PREHORRATIO(pre_hratio) |
1048 EXYNOS_CISCPRERATIO_PREVERRATIO(pre_vratio));
1049 fimc_write(cfg, EXYNOS_CISCPRERATIO);
1051 cfg = (EXYNOS_CISCPREDST_PREDSTWIDTH(pre_dst_width) |
1052 EXYNOS_CISCPREDST_PREDSTHEIGHT(pre_dst_height));
1053 fimc_write(cfg, EXYNOS_CISCPREDST);
1058 static void fimc_set_scaler(struct fimc_context *ctx, struct fimc_scaler *sc)
1062 DRM_DEBUG_KMS("range[%d]bypass[%d]up_h[%d]up_v[%d]\n",
1063 sc->range, sc->bypass, sc->up_h, sc->up_v);
1064 DRM_DEBUG_KMS("hratio[%d]vratio[%d]\n",
1065 sc->hratio, sc->vratio);
1067 cfg = fimc_read(EXYNOS_CISCCTRL);
1068 cfg &= ~(EXYNOS_CISCCTRL_SCALERBYPASS |
1069 EXYNOS_CISCCTRL_SCALEUP_H | EXYNOS_CISCCTRL_SCALEUP_V |
1070 EXYNOS_CISCCTRL_MAIN_V_RATIO_MASK |
1071 EXYNOS_CISCCTRL_MAIN_H_RATIO_MASK |
1072 EXYNOS_CISCCTRL_CSCR2Y_WIDE |
1073 EXYNOS_CISCCTRL_CSCY2R_WIDE);
1076 cfg |= (EXYNOS_CISCCTRL_CSCR2Y_WIDE |
1077 EXYNOS_CISCCTRL_CSCY2R_WIDE);
1079 cfg |= EXYNOS_CISCCTRL_SCALERBYPASS;
1081 cfg |= EXYNOS_CISCCTRL_SCALEUP_H;
1083 cfg |= EXYNOS_CISCCTRL_SCALEUP_V;
1085 cfg |= (EXYNOS_CISCCTRL_MAINHORRATIO((sc->hratio >> 6)) |
1086 EXYNOS_CISCCTRL_MAINVERRATIO((sc->vratio >> 6)));
1087 fimc_write(cfg, EXYNOS_CISCCTRL);
1089 cfg_ext = fimc_read(EXYNOS_CIEXTEN);
1090 cfg_ext &= ~EXYNOS_CIEXTEN_MAINHORRATIO_EXT_MASK;
1091 cfg_ext &= ~EXYNOS_CIEXTEN_MAINVERRATIO_EXT_MASK;
1092 cfg_ext |= (EXYNOS_CIEXTEN_MAINHORRATIO_EXT(sc->hratio) |
1093 EXYNOS_CIEXTEN_MAINVERRATIO_EXT(sc->vratio));
1094 fimc_write(cfg_ext, EXYNOS_CIEXTEN);
1097 static int fimc_dst_set_size(struct device *dev, int swap,
1098 struct drm_exynos_pos *pos, struct drm_exynos_sz *sz)
1100 struct fimc_context *ctx = get_fimc_context(dev);
1101 struct drm_exynos_pos img_pos = *pos;
1102 struct drm_exynos_sz img_sz = *sz;
1105 DRM_DEBUG_KMS("swap[%d]hsize[%d]vsize[%d]\n",
1106 swap, sz->hsize, sz->vsize);
1109 cfg = (EXYNOS_ORGOSIZE_HORIZONTAL(img_sz.hsize) |
1110 EXYNOS_ORGOSIZE_VERTICAL(img_sz.vsize));
1112 fimc_write(cfg, EXYNOS_ORGOSIZE);
1114 DRM_DEBUG_KMS("x[%d]y[%d]w[%d]h[%d]\n", pos->x, pos->y, pos->w, pos->h);
1117 cfg = fimc_read(EXYNOS_CIGCTRL);
1118 cfg &= ~EXYNOS_CIGCTRL_CSC_MASK;
1120 if (sz->hsize >= FIMC_WIDTH_ITU_709)
1121 cfg |= EXYNOS_CIGCTRL_CSC_ITU709;
1123 cfg |= EXYNOS_CIGCTRL_CSC_ITU601;
1125 fimc_write(cfg, EXYNOS_CIGCTRL);
1130 img_sz.hsize = sz->vsize;
1131 img_sz.vsize = sz->hsize;
1134 /* target image size */
1135 cfg = fimc_read(EXYNOS_CITRGFMT);
1136 cfg &= ~(EXYNOS_CITRGFMT_TARGETH_MASK |
1137 EXYNOS_CITRGFMT_TARGETV_MASK);
1138 cfg |= (EXYNOS_CITRGFMT_TARGETHSIZE(img_pos.w) |
1139 EXYNOS_CITRGFMT_TARGETVSIZE(img_pos.h));
1140 fimc_write(cfg, EXYNOS_CITRGFMT);
1143 cfg = EXYNOS_CITAREA_TARGET_AREA(img_pos.w * img_pos.h);
1144 fimc_write(cfg, EXYNOS_CITAREA);
1146 /* offset Y(RGB), Cb, Cr */
1147 cfg = (EXYNOS_CIOYOFF_HORIZONTAL(img_pos.x) |
1148 EXYNOS_CIOYOFF_VERTICAL(img_pos.y));
1149 fimc_write(cfg, EXYNOS_CIOYOFF);
1150 cfg = (EXYNOS_CIOCBOFF_HORIZONTAL(img_pos.x) |
1151 EXYNOS_CIOCBOFF_VERTICAL(img_pos.y));
1152 fimc_write(cfg, EXYNOS_CIOCBOFF);
1153 cfg = (EXYNOS_CIOCROFF_HORIZONTAL(img_pos.x) |
1154 EXYNOS_CIOCROFF_VERTICAL(img_pos.y));
1155 fimc_write(cfg, EXYNOS_CIOCROFF);
1160 static int fimc_dst_get_buf_seq(struct fimc_context *ctx)
1162 u32 cfg, i, buf_num = 0;
1163 u32 mask = 0x00000001;
1165 cfg = fimc_read(EXYNOS_CIFCNTSEQ);
1167 for (i = 0; i < FIMC_REG_SZ; i++)
1168 if (cfg & (mask << i))
1171 DRM_DEBUG_KMS("buf_num[%d]\n", buf_num);
1176 static int fimc_dst_set_buf_seq(struct fimc_context *ctx, u32 buf_id,
1177 enum drm_exynos_ipp_buf_type buf_type)
1179 struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
1182 u32 mask = 0x00000001 << buf_id;
1185 DRM_DEBUG_KMS("buf_id[%d]buf_type[%d]\n", buf_id, buf_type);
1187 mutex_lock(&ctx->lock);
1189 /* mask register set */
1190 cfg = fimc_read(EXYNOS_CIFCNTSEQ);
1193 case IPP_BUF_ENQUEUE:
1196 case IPP_BUF_DEQUEUE:
1200 dev_err(ippdrv->dev, "invalid buf ctrl parameter.\n");
1207 cfg |= (enable << buf_id);
1208 fimc_write(cfg, EXYNOS_CIFCNTSEQ);
1210 /* interrupt enable */
1211 if (buf_type == IPP_BUF_ENQUEUE &&
1212 fimc_dst_get_buf_seq(ctx) >= FIMC_BUF_START)
1213 fimc_handle_irq(ctx, true, false, true);
1215 /* interrupt disable */
1216 if (buf_type == IPP_BUF_DEQUEUE &&
1217 fimc_dst_get_buf_seq(ctx) <= FIMC_BUF_STOP)
1218 fimc_handle_irq(ctx, false, false, true);
1221 mutex_unlock(&ctx->lock);
1225 static int fimc_dst_set_addr(struct device *dev,
1226 struct drm_exynos_ipp_buf_info *buf_info, u32 buf_id,
1227 enum drm_exynos_ipp_buf_type buf_type)
1229 struct fimc_context *ctx = get_fimc_context(dev);
1230 struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
1231 struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
1232 struct drm_exynos_ipp_property *property;
1233 struct drm_exynos_ipp_config *config;
1236 DRM_ERROR("failed to get c_node.\n");
1240 property = &c_node->property;
1242 DRM_DEBUG_KMS("prop_id[%d]buf_id[%d]buf_type[%d]\n",
1243 property->prop_id, buf_id, buf_type);
1245 if (buf_id > FIMC_MAX_DST) {
1246 dev_info(ippdrv->dev, "inavlid buf_id %d.\n", buf_id);
1250 /* address register set */
1252 case IPP_BUF_ENQUEUE:
1253 config = &property->config[EXYNOS_DRM_OPS_DST];
1255 fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_Y],
1256 EXYNOS_CIOYSA(buf_id));
1258 if (config->fmt == DRM_FORMAT_YVU420) {
1259 fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CR],
1260 EXYNOS_CIOCBSA(buf_id));
1261 fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CB],
1262 EXYNOS_CIOCRSA(buf_id));
1264 fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CB],
1265 EXYNOS_CIOCBSA(buf_id));
1266 fimc_write(buf_info->base[EXYNOS_DRM_PLANAR_CR],
1267 EXYNOS_CIOCRSA(buf_id));
1270 case IPP_BUF_DEQUEUE:
1271 fimc_write(0x0, EXYNOS_CIOYSA(buf_id));
1272 fimc_write(0x0, EXYNOS_CIOCBSA(buf_id));
1273 fimc_write(0x0, EXYNOS_CIOCRSA(buf_id));
1280 return fimc_dst_set_buf_seq(ctx, buf_id, buf_type);
1283 static struct exynos_drm_ipp_ops fimc_dst_ops = {
1284 .set_fmt = fimc_dst_set_fmt,
1285 .set_transf = fimc_dst_set_transf,
1286 .set_size = fimc_dst_set_size,
1287 .set_addr = fimc_dst_set_addr,
1290 static int fimc_clk_ctrl(struct fimc_context *ctx, bool enable)
1292 DRM_DEBUG_KMS("enable[%d]\n", enable);
1295 clk_prepare_enable(ctx->clocks[FIMC_CLK_GATE]);
1296 clk_prepare_enable(ctx->clocks[FIMC_CLK_WB_A]);
1297 ctx->suspended = false;
1299 clk_disable_unprepare(ctx->clocks[FIMC_CLK_GATE]);
1300 clk_disable_unprepare(ctx->clocks[FIMC_CLK_WB_A]);
1301 ctx->suspended = true;
1307 static irqreturn_t fimc_irq_handler(int irq, void *dev_id)
1309 struct fimc_context *ctx = dev_id;
1310 struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
1311 struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
1312 struct drm_exynos_ipp_event_work *event_work =
1316 DRM_DEBUG_KMS("fimc id[%d]\n", ctx->id);
1318 fimc_clear_irq(ctx);
1319 if (fimc_check_ovf(ctx))
1322 if (!fimc_check_frame_end(ctx))
1325 buf_id = fimc_get_buf_id(ctx);
1329 DRM_DEBUG_KMS("buf_id[%d]\n", buf_id);
1331 if (fimc_dst_set_buf_seq(ctx, buf_id, IPP_BUF_DEQUEUE) < 0) {
1332 DRM_ERROR("failed to dequeue.\n");
1336 event_work->ippdrv = ippdrv;
1337 event_work->buf_id[EXYNOS_DRM_OPS_DST] = buf_id;
1338 queue_work(ippdrv->event_workq, (struct work_struct *)event_work);
1343 static int fimc_init_prop_list(struct exynos_drm_ippdrv *ippdrv)
1345 struct drm_exynos_ipp_prop_list *prop_list = &ippdrv->prop_list;
1347 prop_list->version = 1;
1348 prop_list->writeback = 1;
1349 prop_list->refresh_min = FIMC_REFRESH_MIN;
1350 prop_list->refresh_max = FIMC_REFRESH_MAX;
1351 prop_list->flip = (1 << EXYNOS_DRM_FLIP_NONE) |
1352 (1 << EXYNOS_DRM_FLIP_VERTICAL) |
1353 (1 << EXYNOS_DRM_FLIP_HORIZONTAL);
1354 prop_list->degree = (1 << EXYNOS_DRM_DEGREE_0) |
1355 (1 << EXYNOS_DRM_DEGREE_90) |
1356 (1 << EXYNOS_DRM_DEGREE_180) |
1357 (1 << EXYNOS_DRM_DEGREE_270);
1359 prop_list->crop = 1;
1360 prop_list->crop_max.hsize = FIMC_CROP_MAX;
1361 prop_list->crop_max.vsize = FIMC_CROP_MAX;
1362 prop_list->crop_min.hsize = FIMC_CROP_MIN;
1363 prop_list->crop_min.vsize = FIMC_CROP_MIN;
1364 prop_list->scale = 1;
1365 prop_list->scale_max.hsize = FIMC_SCALE_MAX;
1366 prop_list->scale_max.vsize = FIMC_SCALE_MAX;
1367 prop_list->scale_min.hsize = FIMC_SCALE_MIN;
1368 prop_list->scale_min.vsize = FIMC_SCALE_MIN;
1373 static inline bool fimc_check_drm_flip(enum drm_exynos_flip flip)
1376 case EXYNOS_DRM_FLIP_NONE:
1377 case EXYNOS_DRM_FLIP_VERTICAL:
1378 case EXYNOS_DRM_FLIP_HORIZONTAL:
1379 case EXYNOS_DRM_FLIP_BOTH:
1382 DRM_DEBUG_KMS("invalid flip\n");
1387 static int fimc_ippdrv_check_property(struct device *dev,
1388 struct drm_exynos_ipp_property *property)
1390 struct fimc_context *ctx = get_fimc_context(dev);
1391 struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
1392 struct drm_exynos_ipp_prop_list *pp = &ippdrv->prop_list;
1393 struct drm_exynos_ipp_config *config;
1394 struct drm_exynos_pos *pos;
1395 struct drm_exynos_sz *sz;
1399 for_each_ipp_ops(i) {
1400 if ((i == EXYNOS_DRM_OPS_SRC) &&
1401 (property->cmd == IPP_CMD_WB))
1404 config = &property->config[i];
1408 /* check for flip */
1409 if (!fimc_check_drm_flip(config->flip)) {
1410 DRM_ERROR("invalid flip.\n");
1414 /* check for degree */
1415 switch (config->degree) {
1416 case EXYNOS_DRM_DEGREE_90:
1417 case EXYNOS_DRM_DEGREE_270:
1420 case EXYNOS_DRM_DEGREE_0:
1421 case EXYNOS_DRM_DEGREE_180:
1425 DRM_ERROR("invalid degree.\n");
1429 /* check for buffer bound */
1430 if ((pos->x + pos->w > sz->hsize) ||
1431 (pos->y + pos->h > sz->vsize)) {
1432 DRM_ERROR("out of buf bound.\n");
1436 /* check for crop */
1437 if ((i == EXYNOS_DRM_OPS_SRC) && (pp->crop)) {
1439 if ((pos->h < pp->crop_min.hsize) ||
1440 (sz->vsize > pp->crop_max.hsize) ||
1441 (pos->w < pp->crop_min.vsize) ||
1442 (sz->hsize > pp->crop_max.vsize)) {
1443 DRM_ERROR("out of crop size.\n");
1447 if ((pos->w < pp->crop_min.hsize) ||
1448 (sz->hsize > pp->crop_max.hsize) ||
1449 (pos->h < pp->crop_min.vsize) ||
1450 (sz->vsize > pp->crop_max.vsize)) {
1451 DRM_ERROR("out of crop size.\n");
1457 /* check for scale */
1458 if ((i == EXYNOS_DRM_OPS_DST) && (pp->scale)) {
1460 if ((pos->h < pp->scale_min.hsize) ||
1461 (sz->vsize > pp->scale_max.hsize) ||
1462 (pos->w < pp->scale_min.vsize) ||
1463 (sz->hsize > pp->scale_max.vsize)) {
1464 DRM_ERROR("out of scale size.\n");
1468 if ((pos->w < pp->scale_min.hsize) ||
1469 (sz->hsize > pp->scale_max.hsize) ||
1470 (pos->h < pp->scale_min.vsize) ||
1471 (sz->vsize > pp->scale_max.vsize)) {
1472 DRM_ERROR("out of scale size.\n");
1482 for_each_ipp_ops(i) {
1483 if ((i == EXYNOS_DRM_OPS_SRC) &&
1484 (property->cmd == IPP_CMD_WB))
1487 config = &property->config[i];
1491 DRM_ERROR("[%s]f[%d]r[%d]pos[%d %d %d %d]sz[%d %d]\n",
1492 i ? "dst" : "src", config->flip, config->degree,
1493 pos->x, pos->y, pos->w, pos->h,
1494 sz->hsize, sz->vsize);
1500 static void fimc_clear_addr(struct fimc_context *ctx)
1504 for (i = 0; i < FIMC_MAX_SRC; i++) {
1505 fimc_write(0, EXYNOS_CIIYSA(i));
1506 fimc_write(0, EXYNOS_CIICBSA(i));
1507 fimc_write(0, EXYNOS_CIICRSA(i));
1510 for (i = 0; i < FIMC_MAX_DST; i++) {
1511 fimc_write(0, EXYNOS_CIOYSA(i));
1512 fimc_write(0, EXYNOS_CIOCBSA(i));
1513 fimc_write(0, EXYNOS_CIOCRSA(i));
1517 static int fimc_ippdrv_reset(struct device *dev)
1519 struct fimc_context *ctx = get_fimc_context(dev);
1521 /* reset h/w block */
1524 /* reset scaler capability */
1525 memset(&ctx->sc, 0x0, sizeof(ctx->sc));
1527 fimc_clear_addr(ctx);
1532 static int fimc_ippdrv_start(struct device *dev, enum drm_exynos_ipp_cmd cmd)
1534 struct fimc_context *ctx = get_fimc_context(dev);
1535 struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
1536 struct drm_exynos_ipp_cmd_node *c_node = ippdrv->c_node;
1537 struct drm_exynos_ipp_property *property;
1538 struct drm_exynos_ipp_config *config;
1539 struct drm_exynos_pos img_pos[EXYNOS_DRM_OPS_MAX];
1540 struct drm_exynos_ipp_set_wb set_wb;
1544 DRM_DEBUG_KMS("cmd[%d]\n", cmd);
1547 DRM_ERROR("failed to get c_node.\n");
1551 property = &c_node->property;
1553 fimc_handle_irq(ctx, true, false, true);
1555 for_each_ipp_ops(i) {
1556 config = &property->config[i];
1557 img_pos[i] = config->pos;
1560 ret = fimc_set_prescaler(ctx, &ctx->sc,
1561 &img_pos[EXYNOS_DRM_OPS_SRC],
1562 &img_pos[EXYNOS_DRM_OPS_DST]);
1564 dev_err(dev, "failed to set precalser.\n");
1568 /* If set ture, we can save jpeg about screen */
1569 fimc_handle_jpeg(ctx, false);
1570 fimc_set_scaler(ctx, &ctx->sc);
1571 fimc_set_polarity(ctx, &ctx->pol);
1575 fimc_set_type_ctrl(ctx, FIMC_WB_NONE);
1576 fimc_handle_lastend(ctx, false);
1579 cfg0 = fimc_read(EXYNOS_MSCTRL);
1580 cfg0 &= ~EXYNOS_MSCTRL_INPUT_MASK;
1581 cfg0 |= EXYNOS_MSCTRL_INPUT_MEMORY;
1582 fimc_write(cfg0, EXYNOS_MSCTRL);
1585 fimc_set_type_ctrl(ctx, FIMC_WB_A);
1586 fimc_handle_lastend(ctx, true);
1589 ret = fimc_set_camblk_fimd0_wb(ctx);
1591 dev_err(dev, "camblk setup failed.\n");
1596 set_wb.refresh = property->refresh_rate;
1597 exynos_drm_ippnb_send_event(IPP_SET_WRITEBACK, (void *)&set_wb);
1599 case IPP_CMD_OUTPUT:
1602 dev_err(dev, "invalid operations.\n");
1607 fimc_write(0x0, EXYNOS_CISTATUS);
1609 cfg0 = fimc_read(EXYNOS_CIIMGCPT);
1610 cfg0 &= ~EXYNOS_CIIMGCPT_IMGCPTEN_SC;
1611 cfg0 |= EXYNOS_CIIMGCPT_IMGCPTEN_SC;
1614 cfg1 = fimc_read(EXYNOS_CISCCTRL);
1615 cfg1 &= ~EXYNOS_CISCCTRL_SCAN_MASK;
1616 cfg1 |= (EXYNOS_CISCCTRL_PROGRESSIVE |
1617 EXYNOS_CISCCTRL_SCALERSTART);
1619 fimc_write(cfg1, EXYNOS_CISCCTRL);
1621 /* Enable image capture*/
1622 cfg0 |= EXYNOS_CIIMGCPT_IMGCPTEN;
1623 fimc_write(cfg0, EXYNOS_CIIMGCPT);
1625 /* Disable frame end irq */
1626 cfg0 = fimc_read(EXYNOS_CIGCTRL);
1627 cfg0 &= ~EXYNOS_CIGCTRL_IRQ_END_DISABLE;
1628 fimc_write(cfg0, EXYNOS_CIGCTRL);
1630 cfg0 = fimc_read(EXYNOS_CIOCTRL);
1631 cfg0 &= ~EXYNOS_CIOCTRL_WEAVE_MASK;
1632 fimc_write(cfg0, EXYNOS_CIOCTRL);
1634 if (cmd == IPP_CMD_M2M) {
1635 cfg0 = fimc_read(EXYNOS_MSCTRL);
1636 cfg0 |= EXYNOS_MSCTRL_ENVID;
1637 fimc_write(cfg0, EXYNOS_MSCTRL);
1639 cfg0 = fimc_read(EXYNOS_MSCTRL);
1640 cfg0 |= EXYNOS_MSCTRL_ENVID;
1641 fimc_write(cfg0, EXYNOS_MSCTRL);
1647 static void fimc_ippdrv_stop(struct device *dev, enum drm_exynos_ipp_cmd cmd)
1649 struct fimc_context *ctx = get_fimc_context(dev);
1650 struct drm_exynos_ipp_set_wb set_wb = {0, 0};
1653 DRM_DEBUG_KMS("cmd[%d]\n", cmd);
1658 cfg = fimc_read(EXYNOS_MSCTRL);
1659 cfg &= ~EXYNOS_MSCTRL_INPUT_MASK;
1660 cfg &= ~EXYNOS_MSCTRL_ENVID;
1661 fimc_write(cfg, EXYNOS_MSCTRL);
1664 exynos_drm_ippnb_send_event(IPP_SET_WRITEBACK, (void *)&set_wb);
1666 case IPP_CMD_OUTPUT:
1668 dev_err(dev, "invalid operations.\n");
1672 fimc_handle_irq(ctx, false, false, true);
1674 /* reset sequence */
1675 fimc_write(0x0, EXYNOS_CIFCNTSEQ);
1677 /* Scaler disable */
1678 cfg = fimc_read(EXYNOS_CISCCTRL);
1679 cfg &= ~EXYNOS_CISCCTRL_SCALERSTART;
1680 fimc_write(cfg, EXYNOS_CISCCTRL);
1682 /* Disable image capture */
1683 cfg = fimc_read(EXYNOS_CIIMGCPT);
1684 cfg &= ~(EXYNOS_CIIMGCPT_IMGCPTEN_SC | EXYNOS_CIIMGCPT_IMGCPTEN);
1685 fimc_write(cfg, EXYNOS_CIIMGCPT);
1687 /* Enable frame end irq */
1688 cfg = fimc_read(EXYNOS_CIGCTRL);
1689 cfg |= EXYNOS_CIGCTRL_IRQ_END_DISABLE;
1690 fimc_write(cfg, EXYNOS_CIGCTRL);
1693 static void fimc_put_clocks(struct fimc_context *ctx)
1697 for (i = 0; i < FIMC_CLKS_MAX; i++) {
1698 if (IS_ERR(ctx->clocks[i]))
1700 clk_put(ctx->clocks[i]);
1701 ctx->clocks[i] = ERR_PTR(-EINVAL);
1705 static int fimc_setup_clocks(struct fimc_context *ctx)
1707 struct device *fimc_dev = ctx->ippdrv.dev;
1711 for (i = 0; i < FIMC_CLKS_MAX; i++)
1712 ctx->clocks[i] = ERR_PTR(-EINVAL);
1714 for (i = 0; i < FIMC_CLKS_MAX; i++) {
1715 if (i == FIMC_CLK_WB_A || i == FIMC_CLK_WB_B)
1716 dev = fimc_dev->parent;
1720 ctx->clocks[i] = clk_get(dev, fimc_clock_names[i]);
1721 if (IS_ERR(ctx->clocks[i])) {
1722 if (i >= FIMC_CLK_MUX)
1724 ret = PTR_ERR(ctx->clocks[i]);
1725 dev_err(fimc_dev, "failed to get clock: %s\n",
1726 fimc_clock_names[i]);
1731 /* Optional FIMC LCLK parent clock setting */
1732 if (!IS_ERR(ctx->clocks[FIMC_CLK_PARENT])) {
1733 ret = clk_set_parent(ctx->clocks[FIMC_CLK_MUX],
1734 ctx->clocks[FIMC_CLK_PARENT]);
1736 dev_err(fimc_dev, "failed to set parent.\n");
1741 ret = clk_set_rate(ctx->clocks[FIMC_CLK_LCLK], ctx->clk_frequency);
1745 ret = clk_prepare_enable(ctx->clocks[FIMC_CLK_LCLK]);
1749 fimc_put_clocks(ctx);
1753 static int fimc_parse_dt(struct fimc_context *ctx)
1755 struct device_node *node = ctx->ippdrv.dev->of_node;
1757 /* Handle only devices that support the LCD Writeback data path */
1758 if (!of_property_read_bool(node, "samsung,lcd-wb"))
1761 if (of_property_read_u32(node, "clock-frequency",
1762 &ctx->clk_frequency))
1763 ctx->clk_frequency = FIMC_DEFAULT_LCLK_FREQUENCY;
1765 ctx->id = of_alias_get_id(node, "fimc");
1768 dev_err(ctx->ippdrv.dev, "failed to get node alias id.\n");
1775 static int fimc_probe(struct platform_device *pdev)
1777 struct device *dev = &pdev->dev;
1778 struct fimc_context *ctx;
1779 struct resource *res;
1780 struct exynos_drm_ippdrv *ippdrv;
1783 if (!dev->of_node) {
1784 dev_err(dev, "device tree node not found.\n");
1788 ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
1792 ctx->ippdrv.dev = dev;
1794 ret = fimc_parse_dt(ctx);
1798 ctx->sysreg = syscon_regmap_lookup_by_phandle(dev->of_node,
1800 if (IS_ERR(ctx->sysreg)) {
1801 dev_err(dev, "syscon regmap lookup failed.\n");
1802 return PTR_ERR(ctx->sysreg);
1805 /* resource memory */
1806 ctx->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1807 ctx->regs = devm_ioremap_resource(dev, ctx->regs_res);
1808 if (IS_ERR(ctx->regs))
1809 return PTR_ERR(ctx->regs);
1812 res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
1814 dev_err(dev, "failed to request irq resource.\n");
1818 ctx->irq = res->start;
1819 ret = devm_request_threaded_irq(dev, ctx->irq, NULL, fimc_irq_handler,
1820 IRQF_ONESHOT, "drm_fimc", ctx);
1822 dev_err(dev, "failed to request irq.\n");
1826 ret = fimc_setup_clocks(ctx);
1830 ippdrv = &ctx->ippdrv;
1831 ippdrv->ops[EXYNOS_DRM_OPS_SRC] = &fimc_src_ops;
1832 ippdrv->ops[EXYNOS_DRM_OPS_DST] = &fimc_dst_ops;
1833 ippdrv->check_property = fimc_ippdrv_check_property;
1834 ippdrv->reset = fimc_ippdrv_reset;
1835 ippdrv->start = fimc_ippdrv_start;
1836 ippdrv->stop = fimc_ippdrv_stop;
1837 ret = fimc_init_prop_list(ippdrv);
1839 dev_err(dev, "failed to init property list.\n");
1843 DRM_DEBUG_KMS("id[%d]ippdrv[0x%x]\n", ctx->id, (int)ippdrv);
1845 mutex_init(&ctx->lock);
1846 platform_set_drvdata(pdev, ctx);
1848 pm_runtime_set_active(dev);
1849 pm_runtime_enable(dev);
1851 ret = exynos_drm_ippdrv_register(ippdrv);
1853 dev_err(dev, "failed to register drm fimc device.\n");
1857 dev_info(dev, "drm fimc registered successfully.\n");
1862 pm_runtime_disable(dev);
1864 fimc_put_clocks(ctx);
1869 static int fimc_remove(struct platform_device *pdev)
1871 struct device *dev = &pdev->dev;
1872 struct fimc_context *ctx = get_fimc_context(dev);
1873 struct exynos_drm_ippdrv *ippdrv = &ctx->ippdrv;
1875 exynos_drm_ippdrv_unregister(ippdrv);
1876 mutex_destroy(&ctx->lock);
1878 fimc_put_clocks(ctx);
1879 pm_runtime_set_suspended(dev);
1880 pm_runtime_disable(dev);
1885 #ifdef CONFIG_PM_SLEEP
1886 static int fimc_suspend(struct device *dev)
1888 struct fimc_context *ctx = get_fimc_context(dev);
1890 DRM_DEBUG_KMS("id[%d]\n", ctx->id);
1892 if (pm_runtime_suspended(dev))
1895 return fimc_clk_ctrl(ctx, false);
1898 static int fimc_resume(struct device *dev)
1900 struct fimc_context *ctx = get_fimc_context(dev);
1902 DRM_DEBUG_KMS("id[%d]\n", ctx->id);
1904 if (!pm_runtime_suspended(dev))
1905 return fimc_clk_ctrl(ctx, true);
1911 #ifdef CONFIG_PM_RUNTIME
1912 static int fimc_runtime_suspend(struct device *dev)
1914 struct fimc_context *ctx = get_fimc_context(dev);
1916 DRM_DEBUG_KMS("id[%d]\n", ctx->id);
1918 return fimc_clk_ctrl(ctx, false);
1921 static int fimc_runtime_resume(struct device *dev)
1923 struct fimc_context *ctx = get_fimc_context(dev);
1925 DRM_DEBUG_KMS("id[%d]\n", ctx->id);
1927 return fimc_clk_ctrl(ctx, true);
1931 static const struct dev_pm_ops fimc_pm_ops = {
1932 SET_SYSTEM_SLEEP_PM_OPS(fimc_suspend, fimc_resume)
1933 SET_RUNTIME_PM_OPS(fimc_runtime_suspend, fimc_runtime_resume, NULL)
1936 static const struct of_device_id fimc_of_match[] = {
1937 { .compatible = "samsung,exynos4210-fimc" },
1938 { .compatible = "samsung,exynos4212-fimc" },
1942 struct platform_driver fimc_driver = {
1943 .probe = fimc_probe,
1944 .remove = fimc_remove,
1946 .of_match_table = fimc_of_match,
1947 .name = "exynos-drm-fimc",
1948 .owner = THIS_MODULE,