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/component.h>
16 #include <linux/platform_device.h>
17 #include <linux/mfd/syscon.h>
18 #include <linux/regmap.h>
19 #include <linux/clk.h>
20 #include <linux/pm_runtime.h>
22 #include <linux/spinlock.h>
25 #include <drm/exynos_drm.h>
26 #include "regs-fimc.h"
27 #include "exynos_drm_drv.h"
28 #include "exynos_drm_iommu.h"
29 #include "exynos_drm_ipp.h"
32 * FIMC stands for Fully Interactive Mobile Camera and
33 * supports image scaler/rotator and input/output DMA operations.
34 * input DMA reads image data from the memory.
35 * output DMA writes image data to memory.
36 * FIMC supports image rotation and image effect functions.
39 #define FIMC_MAX_DEVS 4
40 #define FIMC_MAX_SRC 2
41 #define FIMC_MAX_DST 32
42 #define FIMC_SHFACTOR 10
43 #define FIMC_BUF_STOP 1
44 #define FIMC_BUF_START 2
45 #define FIMC_WIDTH_ITU_709 1280
46 #define FIMC_AUTOSUSPEND_DELAY 2000
48 static unsigned int fimc_mask = 0xc;
49 module_param_named(fimc_devs, fimc_mask, uint, 0644);
50 MODULE_PARM_DESC(fimc_devs, "Alias mask for assigning FIMC devices to Exynos DRM");
52 #define get_fimc_context(dev) platform_get_drvdata(to_platform_device(dev))
62 static const char * const fimc_clock_names[] = {
63 [FIMC_CLK_LCLK] = "sclk_fimc",
64 [FIMC_CLK_GATE] = "fimc",
65 [FIMC_CLK_WB_A] = "pxl_async0",
66 [FIMC_CLK_WB_B] = "pxl_async1",
70 * A structure of scaler.
72 * @range: narrow, wide.
73 * @bypass: unused scaler path.
74 * @up_h: horizontal scale up.
75 * @up_v: vertical scale up.
76 * @hratio: horizontal ratio.
77 * @vratio: vertical ratio.
89 * A structure of fimc context.
91 * @regs_res: register resources.
92 * @regs: memory mapped io registers.
93 * @lock: locking of operations.
94 * @clocks: fimc clocks.
95 * @sc: scaler infomations.
96 * @pol: porarity of writeback.
100 struct fimc_context {
101 struct exynos_drm_ipp ipp;
102 struct drm_device *drm_dev;
104 struct exynos_drm_ipp_task *task;
105 struct exynos_drm_ipp_formats *formats;
106 unsigned int num_formats;
108 struct resource *regs_res;
111 struct clk *clocks[FIMC_CLKS_MAX];
112 struct fimc_scaler sc;
117 static u32 fimc_read(struct fimc_context *ctx, u32 reg)
119 return readl(ctx->regs + reg);
122 static void fimc_write(struct fimc_context *ctx, u32 val, u32 reg)
124 writel(val, ctx->regs + reg);
127 static void fimc_set_bits(struct fimc_context *ctx, u32 reg, u32 bits)
129 void __iomem *r = ctx->regs + reg;
131 writel(readl(r) | bits, r);
134 static void fimc_clear_bits(struct fimc_context *ctx, u32 reg, u32 bits)
136 void __iomem *r = ctx->regs + reg;
138 writel(readl(r) & ~bits, r);
141 static void fimc_sw_reset(struct fimc_context *ctx)
145 /* stop dma operation */
146 cfg = fimc_read(ctx, EXYNOS_CISTATUS);
147 if (EXYNOS_CISTATUS_GET_ENVID_STATUS(cfg))
148 fimc_clear_bits(ctx, EXYNOS_MSCTRL, EXYNOS_MSCTRL_ENVID);
150 fimc_set_bits(ctx, EXYNOS_CISRCFMT, EXYNOS_CISRCFMT_ITU601_8BIT);
152 /* disable image capture */
153 fimc_clear_bits(ctx, EXYNOS_CIIMGCPT,
154 EXYNOS_CIIMGCPT_IMGCPTEN_SC | EXYNOS_CIIMGCPT_IMGCPTEN);
157 fimc_set_bits(ctx, EXYNOS_CIGCTRL, EXYNOS_CIGCTRL_SWRST);
159 /* s/w reset complete */
160 fimc_clear_bits(ctx, EXYNOS_CIGCTRL, EXYNOS_CIGCTRL_SWRST);
163 fimc_write(ctx, 0x0, EXYNOS_CIFCNTSEQ);
166 static void fimc_set_type_ctrl(struct fimc_context *ctx)
170 cfg = fimc_read(ctx, EXYNOS_CIGCTRL);
171 cfg &= ~(EXYNOS_CIGCTRL_TESTPATTERN_MASK |
172 EXYNOS_CIGCTRL_SELCAM_ITU_MASK |
173 EXYNOS_CIGCTRL_SELCAM_MIPI_MASK |
174 EXYNOS_CIGCTRL_SELCAM_FIMC_MASK |
175 EXYNOS_CIGCTRL_SELWB_CAMIF_MASK |
176 EXYNOS_CIGCTRL_SELWRITEBACK_MASK);
178 cfg |= (EXYNOS_CIGCTRL_SELCAM_ITU_A |
179 EXYNOS_CIGCTRL_SELWRITEBACK_A |
180 EXYNOS_CIGCTRL_SELCAM_MIPI_A |
181 EXYNOS_CIGCTRL_SELCAM_FIMC_ITU);
183 fimc_write(ctx, cfg, EXYNOS_CIGCTRL);
186 static void fimc_handle_jpeg(struct fimc_context *ctx, bool enable)
190 DRM_DEBUG_KMS("enable[%d]\n", enable);
192 cfg = fimc_read(ctx, EXYNOS_CIGCTRL);
194 cfg |= EXYNOS_CIGCTRL_CAM_JPEG;
196 cfg &= ~EXYNOS_CIGCTRL_CAM_JPEG;
198 fimc_write(ctx, cfg, EXYNOS_CIGCTRL);
201 static void fimc_mask_irq(struct fimc_context *ctx, bool enable)
205 DRM_DEBUG_KMS("enable[%d]\n", enable);
207 cfg = fimc_read(ctx, EXYNOS_CIGCTRL);
209 cfg &= ~EXYNOS_CIGCTRL_IRQ_OVFEN;
210 cfg |= EXYNOS_CIGCTRL_IRQ_ENABLE | EXYNOS_CIGCTRL_IRQ_LEVEL;
212 cfg &= ~EXYNOS_CIGCTRL_IRQ_ENABLE;
213 fimc_write(ctx, cfg, EXYNOS_CIGCTRL);
216 static void fimc_clear_irq(struct fimc_context *ctx)
218 fimc_set_bits(ctx, EXYNOS_CIGCTRL, EXYNOS_CIGCTRL_IRQ_CLR);
221 static bool fimc_check_ovf(struct fimc_context *ctx)
225 status = fimc_read(ctx, EXYNOS_CISTATUS);
226 flag = EXYNOS_CISTATUS_OVFIY | EXYNOS_CISTATUS_OVFICB |
227 EXYNOS_CISTATUS_OVFICR;
229 DRM_DEBUG_KMS("flag[0x%x]\n", flag);
232 fimc_set_bits(ctx, EXYNOS_CIWDOFST,
233 EXYNOS_CIWDOFST_CLROVFIY | EXYNOS_CIWDOFST_CLROVFICB |
234 EXYNOS_CIWDOFST_CLROVFICR);
236 dev_err(ctx->dev, "occurred overflow at %d, status 0x%x.\n",
244 static bool fimc_check_frame_end(struct fimc_context *ctx)
248 cfg = fimc_read(ctx, EXYNOS_CISTATUS);
250 DRM_DEBUG_KMS("cfg[0x%x]\n", cfg);
252 if (!(cfg & EXYNOS_CISTATUS_FRAMEEND))
255 cfg &= ~(EXYNOS_CISTATUS_FRAMEEND);
256 fimc_write(ctx, cfg, EXYNOS_CISTATUS);
261 static int fimc_get_buf_id(struct fimc_context *ctx)
264 int frame_cnt, buf_id;
266 cfg = fimc_read(ctx, EXYNOS_CISTATUS2);
267 frame_cnt = EXYNOS_CISTATUS2_GET_FRAMECOUNT_BEFORE(cfg);
270 frame_cnt = EXYNOS_CISTATUS2_GET_FRAMECOUNT_PRESENT(cfg);
272 DRM_DEBUG_KMS("present[%d]before[%d]\n",
273 EXYNOS_CISTATUS2_GET_FRAMECOUNT_PRESENT(cfg),
274 EXYNOS_CISTATUS2_GET_FRAMECOUNT_BEFORE(cfg));
276 if (frame_cnt == 0) {
277 DRM_ERROR("failed to get frame count.\n");
281 buf_id = frame_cnt - 1;
282 DRM_DEBUG_KMS("buf_id[%d]\n", buf_id);
287 static void fimc_handle_lastend(struct fimc_context *ctx, bool enable)
291 DRM_DEBUG_KMS("enable[%d]\n", enable);
293 cfg = fimc_read(ctx, EXYNOS_CIOCTRL);
295 cfg |= EXYNOS_CIOCTRL_LASTENDEN;
297 cfg &= ~EXYNOS_CIOCTRL_LASTENDEN;
299 fimc_write(ctx, cfg, EXYNOS_CIOCTRL);
302 static void fimc_src_set_fmt_order(struct fimc_context *ctx, u32 fmt)
306 DRM_DEBUG_KMS("fmt[0x%x]\n", fmt);
309 cfg = fimc_read(ctx, EXYNOS_CISCCTRL);
310 cfg &= ~EXYNOS_CISCCTRL_INRGB_FMT_RGB_MASK;
313 case DRM_FORMAT_RGB565:
314 cfg |= EXYNOS_CISCCTRL_INRGB_FMT_RGB565;
315 fimc_write(ctx, cfg, EXYNOS_CISCCTRL);
317 case DRM_FORMAT_RGB888:
318 case DRM_FORMAT_XRGB8888:
319 cfg |= EXYNOS_CISCCTRL_INRGB_FMT_RGB888;
320 fimc_write(ctx, cfg, EXYNOS_CISCCTRL);
328 cfg = fimc_read(ctx, EXYNOS_MSCTRL);
329 cfg &= ~(EXYNOS_MSCTRL_ORDER2P_SHIFT_MASK |
330 EXYNOS_MSCTRL_C_INT_IN_2PLANE |
331 EXYNOS_MSCTRL_ORDER422_YCBYCR);
334 case DRM_FORMAT_YUYV:
335 cfg |= EXYNOS_MSCTRL_ORDER422_YCBYCR;
337 case DRM_FORMAT_YVYU:
338 cfg |= EXYNOS_MSCTRL_ORDER422_YCRYCB;
340 case DRM_FORMAT_UYVY:
341 cfg |= EXYNOS_MSCTRL_ORDER422_CBYCRY;
343 case DRM_FORMAT_VYUY:
344 case DRM_FORMAT_YUV444:
345 cfg |= EXYNOS_MSCTRL_ORDER422_CRYCBY;
347 case DRM_FORMAT_NV21:
348 case DRM_FORMAT_NV61:
349 cfg |= (EXYNOS_MSCTRL_ORDER2P_LSB_CRCB |
350 EXYNOS_MSCTRL_C_INT_IN_2PLANE);
352 case DRM_FORMAT_YUV422:
353 case DRM_FORMAT_YUV420:
354 case DRM_FORMAT_YVU420:
355 cfg |= EXYNOS_MSCTRL_C_INT_IN_3PLANE;
357 case DRM_FORMAT_NV12:
358 case DRM_FORMAT_NV16:
359 cfg |= (EXYNOS_MSCTRL_ORDER2P_LSB_CBCR |
360 EXYNOS_MSCTRL_C_INT_IN_2PLANE);
364 fimc_write(ctx, cfg, EXYNOS_MSCTRL);
367 static void fimc_src_set_fmt(struct fimc_context *ctx, u32 fmt, bool tiled)
371 DRM_DEBUG_KMS("fmt[0x%x]\n", fmt);
373 cfg = fimc_read(ctx, EXYNOS_MSCTRL);
374 cfg &= ~EXYNOS_MSCTRL_INFORMAT_RGB;
377 case DRM_FORMAT_RGB565:
378 case DRM_FORMAT_RGB888:
379 case DRM_FORMAT_XRGB8888:
380 cfg |= EXYNOS_MSCTRL_INFORMAT_RGB;
382 case DRM_FORMAT_YUV444:
383 cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR420;
385 case DRM_FORMAT_YUYV:
386 case DRM_FORMAT_YVYU:
387 case DRM_FORMAT_UYVY:
388 case DRM_FORMAT_VYUY:
389 cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR422_1PLANE;
391 case DRM_FORMAT_NV16:
392 case DRM_FORMAT_NV61:
393 case DRM_FORMAT_YUV422:
394 cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR422;
396 case DRM_FORMAT_YUV420:
397 case DRM_FORMAT_YVU420:
398 case DRM_FORMAT_NV12:
399 case DRM_FORMAT_NV21:
400 cfg |= EXYNOS_MSCTRL_INFORMAT_YCBCR420;
404 fimc_write(ctx, cfg, EXYNOS_MSCTRL);
406 cfg = fimc_read(ctx, EXYNOS_CIDMAPARAM);
407 cfg &= ~EXYNOS_CIDMAPARAM_R_MODE_MASK;
410 cfg |= EXYNOS_CIDMAPARAM_R_MODE_64X32;
412 cfg |= EXYNOS_CIDMAPARAM_R_MODE_LINEAR;
414 fimc_write(ctx, cfg, EXYNOS_CIDMAPARAM);
416 fimc_src_set_fmt_order(ctx, fmt);
419 static void fimc_src_set_transf(struct fimc_context *ctx, unsigned int rotation)
421 unsigned int degree = rotation & DRM_MODE_ROTATE_MASK;
424 DRM_DEBUG_KMS("rotation[%x]\n", rotation);
426 cfg1 = fimc_read(ctx, EXYNOS_MSCTRL);
427 cfg1 &= ~(EXYNOS_MSCTRL_FLIP_X_MIRROR |
428 EXYNOS_MSCTRL_FLIP_Y_MIRROR);
430 cfg2 = fimc_read(ctx, EXYNOS_CITRGFMT);
431 cfg2 &= ~EXYNOS_CITRGFMT_INROT90_CLOCKWISE;
434 case DRM_MODE_ROTATE_0:
435 if (rotation & DRM_MODE_REFLECT_X)
436 cfg1 |= EXYNOS_MSCTRL_FLIP_X_MIRROR;
437 if (rotation & DRM_MODE_REFLECT_Y)
438 cfg1 |= EXYNOS_MSCTRL_FLIP_Y_MIRROR;
440 case DRM_MODE_ROTATE_90:
441 cfg2 |= EXYNOS_CITRGFMT_INROT90_CLOCKWISE;
442 if (rotation & DRM_MODE_REFLECT_X)
443 cfg1 |= EXYNOS_MSCTRL_FLIP_X_MIRROR;
444 if (rotation & DRM_MODE_REFLECT_Y)
445 cfg1 |= EXYNOS_MSCTRL_FLIP_Y_MIRROR;
447 case DRM_MODE_ROTATE_180:
448 cfg1 |= (EXYNOS_MSCTRL_FLIP_X_MIRROR |
449 EXYNOS_MSCTRL_FLIP_Y_MIRROR);
450 if (rotation & DRM_MODE_REFLECT_X)
451 cfg1 &= ~EXYNOS_MSCTRL_FLIP_X_MIRROR;
452 if (rotation & DRM_MODE_REFLECT_Y)
453 cfg1 &= ~EXYNOS_MSCTRL_FLIP_Y_MIRROR;
455 case DRM_MODE_ROTATE_270:
456 cfg1 |= (EXYNOS_MSCTRL_FLIP_X_MIRROR |
457 EXYNOS_MSCTRL_FLIP_Y_MIRROR);
458 cfg2 |= EXYNOS_CITRGFMT_INROT90_CLOCKWISE;
459 if (rotation & DRM_MODE_REFLECT_X)
460 cfg1 &= ~EXYNOS_MSCTRL_FLIP_X_MIRROR;
461 if (rotation & DRM_MODE_REFLECT_Y)
462 cfg1 &= ~EXYNOS_MSCTRL_FLIP_Y_MIRROR;
466 fimc_write(ctx, cfg1, EXYNOS_MSCTRL);
467 fimc_write(ctx, cfg2, EXYNOS_CITRGFMT);
470 static void fimc_set_window(struct fimc_context *ctx,
471 struct exynos_drm_ipp_buffer *buf)
473 u32 cfg, h1, h2, v1, v2;
477 h2 = buf->buf.width - buf->rect.w - buf->rect.x;
479 v2 = buf->buf.height - buf->rect.h - buf->rect.y;
481 DRM_DEBUG_KMS("x[%d]y[%d]w[%d]h[%d]hsize[%d]vsize[%d]\n",
482 buf->rect.x, buf->rect.y, buf->rect.w, buf->rect.h,
483 buf->buf.width, buf->buf.height);
484 DRM_DEBUG_KMS("h1[%d]h2[%d]v1[%d]v2[%d]\n", h1, h2, v1, v2);
487 * set window offset 1, 2 size
488 * check figure 43-21 in user manual
490 cfg = fimc_read(ctx, EXYNOS_CIWDOFST);
491 cfg &= ~(EXYNOS_CIWDOFST_WINHOROFST_MASK |
492 EXYNOS_CIWDOFST_WINVEROFST_MASK);
493 cfg |= (EXYNOS_CIWDOFST_WINHOROFST(h1) |
494 EXYNOS_CIWDOFST_WINVEROFST(v1));
495 cfg |= EXYNOS_CIWDOFST_WINOFSEN;
496 fimc_write(ctx, cfg, EXYNOS_CIWDOFST);
498 cfg = (EXYNOS_CIWDOFST2_WINHOROFST2(h2) |
499 EXYNOS_CIWDOFST2_WINVEROFST2(v2));
500 fimc_write(ctx, cfg, EXYNOS_CIWDOFST2);
503 static void fimc_src_set_size(struct fimc_context *ctx,
504 struct exynos_drm_ipp_buffer *buf)
508 DRM_DEBUG_KMS("hsize[%d]vsize[%d]\n", buf->buf.width, buf->buf.height);
511 cfg = (EXYNOS_ORGISIZE_HORIZONTAL(buf->buf.width) |
512 EXYNOS_ORGISIZE_VERTICAL(buf->buf.height));
514 fimc_write(ctx, cfg, EXYNOS_ORGISIZE);
516 DRM_DEBUG_KMS("x[%d]y[%d]w[%d]h[%d]\n", buf->rect.x, buf->rect.y,
517 buf->rect.w, buf->rect.h);
519 /* set input DMA image size */
520 cfg = fimc_read(ctx, EXYNOS_CIREAL_ISIZE);
521 cfg &= ~(EXYNOS_CIREAL_ISIZE_HEIGHT_MASK |
522 EXYNOS_CIREAL_ISIZE_WIDTH_MASK);
523 cfg |= (EXYNOS_CIREAL_ISIZE_WIDTH(buf->rect.w) |
524 EXYNOS_CIREAL_ISIZE_HEIGHT(buf->rect.h));
525 fimc_write(ctx, cfg, EXYNOS_CIREAL_ISIZE);
528 * set input FIFO image size
529 * for now, we support only ITU601 8 bit mode
531 cfg = (EXYNOS_CISRCFMT_ITU601_8BIT |
532 EXYNOS_CISRCFMT_SOURCEHSIZE(buf->buf.width) |
533 EXYNOS_CISRCFMT_SOURCEVSIZE(buf->buf.height));
534 fimc_write(ctx, cfg, EXYNOS_CISRCFMT);
536 /* offset Y(RGB), Cb, Cr */
537 cfg = (EXYNOS_CIIYOFF_HORIZONTAL(buf->rect.x) |
538 EXYNOS_CIIYOFF_VERTICAL(buf->rect.y));
539 fimc_write(ctx, cfg, EXYNOS_CIIYOFF);
540 cfg = (EXYNOS_CIICBOFF_HORIZONTAL(buf->rect.x) |
541 EXYNOS_CIICBOFF_VERTICAL(buf->rect.y));
542 fimc_write(ctx, cfg, EXYNOS_CIICBOFF);
543 cfg = (EXYNOS_CIICROFF_HORIZONTAL(buf->rect.x) |
544 EXYNOS_CIICROFF_VERTICAL(buf->rect.y));
545 fimc_write(ctx, cfg, EXYNOS_CIICROFF);
547 fimc_set_window(ctx, buf);
550 static void fimc_src_set_addr(struct fimc_context *ctx,
551 struct exynos_drm_ipp_buffer *buf)
553 fimc_write(ctx, buf->dma_addr[0], EXYNOS_CIIYSA(0));
554 fimc_write(ctx, buf->dma_addr[1], EXYNOS_CIICBSA(0));
555 fimc_write(ctx, buf->dma_addr[2], EXYNOS_CIICRSA(0));
558 static void fimc_dst_set_fmt_order(struct fimc_context *ctx, u32 fmt)
562 DRM_DEBUG_KMS("fmt[0x%x]\n", fmt);
565 cfg = fimc_read(ctx, EXYNOS_CISCCTRL);
566 cfg &= ~EXYNOS_CISCCTRL_OUTRGB_FMT_RGB_MASK;
569 case DRM_FORMAT_RGB565:
570 cfg |= EXYNOS_CISCCTRL_OUTRGB_FMT_RGB565;
571 fimc_write(ctx, cfg, EXYNOS_CISCCTRL);
573 case DRM_FORMAT_RGB888:
574 cfg |= EXYNOS_CISCCTRL_OUTRGB_FMT_RGB888;
575 fimc_write(ctx, cfg, EXYNOS_CISCCTRL);
577 case DRM_FORMAT_XRGB8888:
578 cfg |= (EXYNOS_CISCCTRL_OUTRGB_FMT_RGB888 |
579 EXYNOS_CISCCTRL_EXTRGB_EXTENSION);
580 fimc_write(ctx, cfg, EXYNOS_CISCCTRL);
588 cfg = fimc_read(ctx, EXYNOS_CIOCTRL);
589 cfg &= ~(EXYNOS_CIOCTRL_ORDER2P_MASK |
590 EXYNOS_CIOCTRL_ORDER422_MASK |
591 EXYNOS_CIOCTRL_YCBCR_PLANE_MASK);
594 case DRM_FORMAT_XRGB8888:
595 cfg |= EXYNOS_CIOCTRL_ALPHA_OUT;
597 case DRM_FORMAT_YUYV:
598 cfg |= EXYNOS_CIOCTRL_ORDER422_YCBYCR;
600 case DRM_FORMAT_YVYU:
601 cfg |= EXYNOS_CIOCTRL_ORDER422_YCRYCB;
603 case DRM_FORMAT_UYVY:
604 cfg |= EXYNOS_CIOCTRL_ORDER422_CBYCRY;
606 case DRM_FORMAT_VYUY:
607 cfg |= EXYNOS_CIOCTRL_ORDER422_CRYCBY;
609 case DRM_FORMAT_NV21:
610 case DRM_FORMAT_NV61:
611 cfg |= EXYNOS_CIOCTRL_ORDER2P_LSB_CRCB;
612 cfg |= EXYNOS_CIOCTRL_YCBCR_2PLANE;
614 case DRM_FORMAT_YUV422:
615 case DRM_FORMAT_YUV420:
616 case DRM_FORMAT_YVU420:
617 cfg |= EXYNOS_CIOCTRL_YCBCR_3PLANE;
619 case DRM_FORMAT_NV12:
620 case DRM_FORMAT_NV16:
621 cfg |= EXYNOS_CIOCTRL_ORDER2P_LSB_CBCR;
622 cfg |= EXYNOS_CIOCTRL_YCBCR_2PLANE;
626 fimc_write(ctx, cfg, EXYNOS_CIOCTRL);
629 static void fimc_dst_set_fmt(struct fimc_context *ctx, u32 fmt, bool tiled)
633 DRM_DEBUG_KMS("fmt[0x%x]\n", fmt);
635 cfg = fimc_read(ctx, EXYNOS_CIEXTEN);
637 if (fmt == DRM_FORMAT_AYUV) {
638 cfg |= EXYNOS_CIEXTEN_YUV444_OUT;
639 fimc_write(ctx, cfg, EXYNOS_CIEXTEN);
641 cfg &= ~EXYNOS_CIEXTEN_YUV444_OUT;
642 fimc_write(ctx, cfg, EXYNOS_CIEXTEN);
644 cfg = fimc_read(ctx, EXYNOS_CITRGFMT);
645 cfg &= ~EXYNOS_CITRGFMT_OUTFORMAT_MASK;
648 case DRM_FORMAT_RGB565:
649 case DRM_FORMAT_RGB888:
650 case DRM_FORMAT_XRGB8888:
651 cfg |= EXYNOS_CITRGFMT_OUTFORMAT_RGB;
653 case DRM_FORMAT_YUYV:
654 case DRM_FORMAT_YVYU:
655 case DRM_FORMAT_UYVY:
656 case DRM_FORMAT_VYUY:
657 cfg |= EXYNOS_CITRGFMT_OUTFORMAT_YCBCR422_1PLANE;
659 case DRM_FORMAT_NV16:
660 case DRM_FORMAT_NV61:
661 case DRM_FORMAT_YUV422:
662 cfg |= EXYNOS_CITRGFMT_OUTFORMAT_YCBCR422;
664 case DRM_FORMAT_YUV420:
665 case DRM_FORMAT_YVU420:
666 case DRM_FORMAT_NV12:
667 case DRM_FORMAT_NV21:
668 cfg |= EXYNOS_CITRGFMT_OUTFORMAT_YCBCR420;
672 fimc_write(ctx, cfg, EXYNOS_CITRGFMT);
675 cfg = fimc_read(ctx, EXYNOS_CIDMAPARAM);
676 cfg &= ~EXYNOS_CIDMAPARAM_W_MODE_MASK;
679 cfg |= EXYNOS_CIDMAPARAM_W_MODE_64X32;
681 cfg |= EXYNOS_CIDMAPARAM_W_MODE_LINEAR;
683 fimc_write(ctx, cfg, EXYNOS_CIDMAPARAM);
685 fimc_dst_set_fmt_order(ctx, fmt);
688 static void fimc_dst_set_transf(struct fimc_context *ctx, unsigned int rotation)
690 unsigned int degree = rotation & DRM_MODE_ROTATE_MASK;
693 DRM_DEBUG_KMS("rotation[0x%x]\n", rotation);
695 cfg = fimc_read(ctx, EXYNOS_CITRGFMT);
696 cfg &= ~EXYNOS_CITRGFMT_FLIP_MASK;
697 cfg &= ~EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE;
700 case DRM_MODE_ROTATE_0:
701 if (rotation & DRM_MODE_REFLECT_X)
702 cfg |= EXYNOS_CITRGFMT_FLIP_X_MIRROR;
703 if (rotation & DRM_MODE_REFLECT_Y)
704 cfg |= EXYNOS_CITRGFMT_FLIP_Y_MIRROR;
706 case DRM_MODE_ROTATE_90:
707 cfg |= EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE;
708 if (rotation & DRM_MODE_REFLECT_X)
709 cfg |= EXYNOS_CITRGFMT_FLIP_X_MIRROR;
710 if (rotation & DRM_MODE_REFLECT_Y)
711 cfg |= EXYNOS_CITRGFMT_FLIP_Y_MIRROR;
713 case DRM_MODE_ROTATE_180:
714 cfg |= (EXYNOS_CITRGFMT_FLIP_X_MIRROR |
715 EXYNOS_CITRGFMT_FLIP_Y_MIRROR);
716 if (rotation & DRM_MODE_REFLECT_X)
717 cfg &= ~EXYNOS_CITRGFMT_FLIP_X_MIRROR;
718 if (rotation & DRM_MODE_REFLECT_Y)
719 cfg &= ~EXYNOS_CITRGFMT_FLIP_Y_MIRROR;
721 case DRM_MODE_ROTATE_270:
722 cfg |= (EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE |
723 EXYNOS_CITRGFMT_FLIP_X_MIRROR |
724 EXYNOS_CITRGFMT_FLIP_Y_MIRROR);
725 if (rotation & DRM_MODE_REFLECT_X)
726 cfg &= ~EXYNOS_CITRGFMT_FLIP_X_MIRROR;
727 if (rotation & DRM_MODE_REFLECT_Y)
728 cfg &= ~EXYNOS_CITRGFMT_FLIP_Y_MIRROR;
732 fimc_write(ctx, cfg, EXYNOS_CITRGFMT);
735 static int fimc_set_prescaler(struct fimc_context *ctx, struct fimc_scaler *sc,
736 struct drm_exynos_ipp_task_rect *src,
737 struct drm_exynos_ipp_task_rect *dst)
739 u32 cfg, cfg_ext, shfactor;
740 u32 pre_dst_width, pre_dst_height;
741 u32 hfactor, vfactor;
743 u32 src_w, src_h, dst_w, dst_h;
745 cfg_ext = fimc_read(ctx, EXYNOS_CITRGFMT);
746 if (cfg_ext & EXYNOS_CITRGFMT_INROT90_CLOCKWISE) {
754 if (cfg_ext & EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE) {
762 /* fimc_ippdrv_check_property assures that dividers are not null */
763 hfactor = fls(src_w / dst_w / 2);
764 if (hfactor > FIMC_SHFACTOR / 2) {
765 dev_err(ctx->dev, "failed to get ratio horizontal.\n");
769 vfactor = fls(src_h / dst_h / 2);
770 if (vfactor > FIMC_SHFACTOR / 2) {
771 dev_err(ctx->dev, "failed to get ratio vertical.\n");
775 pre_dst_width = src_w >> hfactor;
776 pre_dst_height = src_h >> vfactor;
777 DRM_DEBUG_KMS("pre_dst_width[%d]pre_dst_height[%d]\n",
778 pre_dst_width, pre_dst_height);
779 DRM_DEBUG_KMS("hfactor[%d]vfactor[%d]\n", hfactor, vfactor);
781 sc->hratio = (src_w << 14) / (dst_w << hfactor);
782 sc->vratio = (src_h << 14) / (dst_h << vfactor);
783 sc->up_h = (dst_w >= src_w) ? true : false;
784 sc->up_v = (dst_h >= src_h) ? true : false;
785 DRM_DEBUG_KMS("hratio[%d]vratio[%d]up_h[%d]up_v[%d]\n",
786 sc->hratio, sc->vratio, sc->up_h, sc->up_v);
788 shfactor = FIMC_SHFACTOR - (hfactor + vfactor);
789 DRM_DEBUG_KMS("shfactor[%d]\n", shfactor);
791 cfg = (EXYNOS_CISCPRERATIO_SHFACTOR(shfactor) |
792 EXYNOS_CISCPRERATIO_PREHORRATIO(1 << hfactor) |
793 EXYNOS_CISCPRERATIO_PREVERRATIO(1 << vfactor));
794 fimc_write(ctx, cfg, EXYNOS_CISCPRERATIO);
796 cfg = (EXYNOS_CISCPREDST_PREDSTWIDTH(pre_dst_width) |
797 EXYNOS_CISCPREDST_PREDSTHEIGHT(pre_dst_height));
798 fimc_write(ctx, cfg, EXYNOS_CISCPREDST);
803 static void fimc_set_scaler(struct fimc_context *ctx, struct fimc_scaler *sc)
807 DRM_DEBUG_KMS("range[%d]bypass[%d]up_h[%d]up_v[%d]\n",
808 sc->range, sc->bypass, sc->up_h, sc->up_v);
809 DRM_DEBUG_KMS("hratio[%d]vratio[%d]\n",
810 sc->hratio, sc->vratio);
812 cfg = fimc_read(ctx, EXYNOS_CISCCTRL);
813 cfg &= ~(EXYNOS_CISCCTRL_SCALERBYPASS |
814 EXYNOS_CISCCTRL_SCALEUP_H | EXYNOS_CISCCTRL_SCALEUP_V |
815 EXYNOS_CISCCTRL_MAIN_V_RATIO_MASK |
816 EXYNOS_CISCCTRL_MAIN_H_RATIO_MASK |
817 EXYNOS_CISCCTRL_CSCR2Y_WIDE |
818 EXYNOS_CISCCTRL_CSCY2R_WIDE);
821 cfg |= (EXYNOS_CISCCTRL_CSCR2Y_WIDE |
822 EXYNOS_CISCCTRL_CSCY2R_WIDE);
824 cfg |= EXYNOS_CISCCTRL_SCALERBYPASS;
826 cfg |= EXYNOS_CISCCTRL_SCALEUP_H;
828 cfg |= EXYNOS_CISCCTRL_SCALEUP_V;
830 cfg |= (EXYNOS_CISCCTRL_MAINHORRATIO((sc->hratio >> 6)) |
831 EXYNOS_CISCCTRL_MAINVERRATIO((sc->vratio >> 6)));
832 fimc_write(ctx, cfg, EXYNOS_CISCCTRL);
834 cfg_ext = fimc_read(ctx, EXYNOS_CIEXTEN);
835 cfg_ext &= ~EXYNOS_CIEXTEN_MAINHORRATIO_EXT_MASK;
836 cfg_ext &= ~EXYNOS_CIEXTEN_MAINVERRATIO_EXT_MASK;
837 cfg_ext |= (EXYNOS_CIEXTEN_MAINHORRATIO_EXT(sc->hratio) |
838 EXYNOS_CIEXTEN_MAINVERRATIO_EXT(sc->vratio));
839 fimc_write(ctx, cfg_ext, EXYNOS_CIEXTEN);
842 static void fimc_dst_set_size(struct fimc_context *ctx,
843 struct exynos_drm_ipp_buffer *buf)
847 DRM_DEBUG_KMS("hsize[%d]vsize[%d]\n", buf->buf.width, buf->buf.height);
850 cfg = (EXYNOS_ORGOSIZE_HORIZONTAL(buf->buf.width) |
851 EXYNOS_ORGOSIZE_VERTICAL(buf->buf.height));
853 fimc_write(ctx, cfg, EXYNOS_ORGOSIZE);
855 DRM_DEBUG_KMS("x[%d]y[%d]w[%d]h[%d]\n", buf->rect.x, buf->rect.y,
856 buf->rect.w, buf->rect.h);
859 cfg = fimc_read(ctx, EXYNOS_CIGCTRL);
860 cfg &= ~EXYNOS_CIGCTRL_CSC_MASK;
862 if (buf->buf.width >= FIMC_WIDTH_ITU_709)
863 cfg |= EXYNOS_CIGCTRL_CSC_ITU709;
865 cfg |= EXYNOS_CIGCTRL_CSC_ITU601;
867 fimc_write(ctx, cfg, EXYNOS_CIGCTRL);
869 cfg_ext = fimc_read(ctx, EXYNOS_CITRGFMT);
871 /* target image size */
872 cfg = fimc_read(ctx, EXYNOS_CITRGFMT);
873 cfg &= ~(EXYNOS_CITRGFMT_TARGETH_MASK |
874 EXYNOS_CITRGFMT_TARGETV_MASK);
875 if (cfg_ext & EXYNOS_CITRGFMT_OUTROT90_CLOCKWISE)
876 cfg |= (EXYNOS_CITRGFMT_TARGETHSIZE(buf->rect.h) |
877 EXYNOS_CITRGFMT_TARGETVSIZE(buf->rect.w));
879 cfg |= (EXYNOS_CITRGFMT_TARGETHSIZE(buf->rect.w) |
880 EXYNOS_CITRGFMT_TARGETVSIZE(buf->rect.h));
881 fimc_write(ctx, cfg, EXYNOS_CITRGFMT);
884 cfg = EXYNOS_CITAREA_TARGET_AREA(buf->rect.w * buf->rect.h);
885 fimc_write(ctx, cfg, EXYNOS_CITAREA);
887 /* offset Y(RGB), Cb, Cr */
888 cfg = (EXYNOS_CIOYOFF_HORIZONTAL(buf->rect.x) |
889 EXYNOS_CIOYOFF_VERTICAL(buf->rect.y));
890 fimc_write(ctx, cfg, EXYNOS_CIOYOFF);
891 cfg = (EXYNOS_CIOCBOFF_HORIZONTAL(buf->rect.x) |
892 EXYNOS_CIOCBOFF_VERTICAL(buf->rect.y));
893 fimc_write(ctx, cfg, EXYNOS_CIOCBOFF);
894 cfg = (EXYNOS_CIOCROFF_HORIZONTAL(buf->rect.x) |
895 EXYNOS_CIOCROFF_VERTICAL(buf->rect.y));
896 fimc_write(ctx, cfg, EXYNOS_CIOCROFF);
899 static void fimc_dst_set_buf_seq(struct fimc_context *ctx, u32 buf_id,
906 DRM_DEBUG_KMS("buf_id[%d]enqueu[%d]\n", buf_id, enqueue);
908 spin_lock_irqsave(&ctx->lock, flags);
910 cfg = fimc_read(ctx, EXYNOS_CIFCNTSEQ);
913 cfg |= (1 << buf_id);
915 cfg &= ~(1 << buf_id);
917 fimc_write(ctx, cfg, EXYNOS_CIFCNTSEQ);
919 buf_num = hweight32(cfg);
921 if (enqueue && buf_num >= FIMC_BUF_START)
922 fimc_mask_irq(ctx, true);
923 else if (!enqueue && buf_num <= FIMC_BUF_STOP)
924 fimc_mask_irq(ctx, false);
926 spin_unlock_irqrestore(&ctx->lock, flags);
929 static void fimc_dst_set_addr(struct fimc_context *ctx,
930 struct exynos_drm_ipp_buffer *buf)
932 fimc_write(ctx, buf->dma_addr[0], EXYNOS_CIOYSA(0));
933 fimc_write(ctx, buf->dma_addr[1], EXYNOS_CIOCBSA(0));
934 fimc_write(ctx, buf->dma_addr[2], EXYNOS_CIOCRSA(0));
936 fimc_dst_set_buf_seq(ctx, 0, true);
939 static void fimc_stop(struct fimc_context *ctx);
941 static irqreturn_t fimc_irq_handler(int irq, void *dev_id)
943 struct fimc_context *ctx = dev_id;
946 DRM_DEBUG_KMS("fimc id[%d]\n", ctx->id);
949 if (fimc_check_ovf(ctx))
952 if (!fimc_check_frame_end(ctx))
955 buf_id = fimc_get_buf_id(ctx);
959 DRM_DEBUG_KMS("buf_id[%d]\n", buf_id);
962 struct exynos_drm_ipp_task *task = ctx->task;
965 pm_runtime_mark_last_busy(ctx->dev);
966 pm_runtime_put_autosuspend(ctx->dev);
967 exynos_drm_ipp_task_done(task, 0);
970 fimc_dst_set_buf_seq(ctx, buf_id, false);
976 static void fimc_clear_addr(struct fimc_context *ctx)
980 for (i = 0; i < FIMC_MAX_SRC; i++) {
981 fimc_write(ctx, 0, EXYNOS_CIIYSA(i));
982 fimc_write(ctx, 0, EXYNOS_CIICBSA(i));
983 fimc_write(ctx, 0, EXYNOS_CIICRSA(i));
986 for (i = 0; i < FIMC_MAX_DST; i++) {
987 fimc_write(ctx, 0, EXYNOS_CIOYSA(i));
988 fimc_write(ctx, 0, EXYNOS_CIOCBSA(i));
989 fimc_write(ctx, 0, EXYNOS_CIOCRSA(i));
993 static void fimc_reset(struct fimc_context *ctx)
995 /* reset h/w block */
998 /* reset scaler capability */
999 memset(&ctx->sc, 0x0, sizeof(ctx->sc));
1001 fimc_clear_addr(ctx);
1004 static void fimc_start(struct fimc_context *ctx)
1008 fimc_mask_irq(ctx, true);
1010 /* If set true, we can save jpeg about screen */
1011 fimc_handle_jpeg(ctx, false);
1012 fimc_set_scaler(ctx, &ctx->sc);
1014 fimc_set_type_ctrl(ctx);
1015 fimc_handle_lastend(ctx, false);
1018 cfg0 = fimc_read(ctx, EXYNOS_MSCTRL);
1019 cfg0 &= ~EXYNOS_MSCTRL_INPUT_MASK;
1020 cfg0 |= EXYNOS_MSCTRL_INPUT_MEMORY;
1021 fimc_write(ctx, cfg0, EXYNOS_MSCTRL);
1024 fimc_write(ctx, 0x0, EXYNOS_CISTATUS);
1026 cfg0 = fimc_read(ctx, EXYNOS_CIIMGCPT);
1027 cfg0 &= ~EXYNOS_CIIMGCPT_IMGCPTEN_SC;
1028 cfg0 |= EXYNOS_CIIMGCPT_IMGCPTEN_SC;
1031 cfg1 = fimc_read(ctx, EXYNOS_CISCCTRL);
1032 cfg1 &= ~EXYNOS_CISCCTRL_SCAN_MASK;
1033 cfg1 |= (EXYNOS_CISCCTRL_PROGRESSIVE |
1034 EXYNOS_CISCCTRL_SCALERSTART);
1036 fimc_write(ctx, cfg1, EXYNOS_CISCCTRL);
1038 /* Enable image capture*/
1039 cfg0 |= EXYNOS_CIIMGCPT_IMGCPTEN;
1040 fimc_write(ctx, cfg0, EXYNOS_CIIMGCPT);
1042 /* Disable frame end irq */
1043 fimc_clear_bits(ctx, EXYNOS_CIGCTRL, EXYNOS_CIGCTRL_IRQ_END_DISABLE);
1045 fimc_clear_bits(ctx, EXYNOS_CIOCTRL, EXYNOS_CIOCTRL_WEAVE_MASK);
1047 fimc_set_bits(ctx, EXYNOS_MSCTRL, EXYNOS_MSCTRL_ENVID);
1050 static void fimc_stop(struct fimc_context *ctx)
1055 cfg = fimc_read(ctx, EXYNOS_MSCTRL);
1056 cfg &= ~EXYNOS_MSCTRL_INPUT_MASK;
1057 cfg &= ~EXYNOS_MSCTRL_ENVID;
1058 fimc_write(ctx, cfg, EXYNOS_MSCTRL);
1060 fimc_mask_irq(ctx, false);
1062 /* reset sequence */
1063 fimc_write(ctx, 0x0, EXYNOS_CIFCNTSEQ);
1065 /* Scaler disable */
1066 fimc_clear_bits(ctx, EXYNOS_CISCCTRL, EXYNOS_CISCCTRL_SCALERSTART);
1068 /* Disable image capture */
1069 fimc_clear_bits(ctx, EXYNOS_CIIMGCPT,
1070 EXYNOS_CIIMGCPT_IMGCPTEN_SC | EXYNOS_CIIMGCPT_IMGCPTEN);
1072 /* Enable frame end irq */
1073 fimc_set_bits(ctx, EXYNOS_CIGCTRL, EXYNOS_CIGCTRL_IRQ_END_DISABLE);
1076 static int fimc_commit(struct exynos_drm_ipp *ipp,
1077 struct exynos_drm_ipp_task *task)
1079 struct fimc_context *ctx =
1080 container_of(ipp, struct fimc_context, ipp);
1082 pm_runtime_get_sync(ctx->dev);
1085 fimc_src_set_fmt(ctx, task->src.buf.fourcc, task->src.buf.modifier);
1086 fimc_src_set_size(ctx, &task->src);
1087 fimc_src_set_transf(ctx, DRM_MODE_ROTATE_0);
1088 fimc_src_set_addr(ctx, &task->src);
1089 fimc_dst_set_fmt(ctx, task->dst.buf.fourcc, task->dst.buf.modifier);
1090 fimc_dst_set_transf(ctx, task->transform.rotation);
1091 fimc_dst_set_size(ctx, &task->dst);
1092 fimc_dst_set_addr(ctx, &task->dst);
1093 fimc_set_prescaler(ctx, &ctx->sc, &task->src.rect, &task->dst.rect);
1099 static void fimc_abort(struct exynos_drm_ipp *ipp,
1100 struct exynos_drm_ipp_task *task)
1102 struct fimc_context *ctx =
1103 container_of(ipp, struct fimc_context, ipp);
1108 struct exynos_drm_ipp_task *task = ctx->task;
1111 pm_runtime_mark_last_busy(ctx->dev);
1112 pm_runtime_put_autosuspend(ctx->dev);
1113 exynos_drm_ipp_task_done(task, -EIO);
1117 static struct exynos_drm_ipp_funcs ipp_funcs = {
1118 .commit = fimc_commit,
1119 .abort = fimc_abort,
1122 static int fimc_bind(struct device *dev, struct device *master, void *data)
1124 struct fimc_context *ctx = dev_get_drvdata(dev);
1125 struct drm_device *drm_dev = data;
1126 struct exynos_drm_ipp *ipp = &ctx->ipp;
1128 ctx->drm_dev = drm_dev;
1129 drm_iommu_attach_device(drm_dev, dev);
1131 exynos_drm_ipp_register(drm_dev, ipp, &ipp_funcs,
1132 DRM_EXYNOS_IPP_CAP_CROP | DRM_EXYNOS_IPP_CAP_ROTATE |
1133 DRM_EXYNOS_IPP_CAP_SCALE | DRM_EXYNOS_IPP_CAP_CONVERT,
1134 ctx->formats, ctx->num_formats, "fimc");
1136 dev_info(dev, "The exynos fimc has been probed successfully\n");
1141 static void fimc_unbind(struct device *dev, struct device *master,
1144 struct fimc_context *ctx = dev_get_drvdata(dev);
1145 struct drm_device *drm_dev = data;
1146 struct exynos_drm_ipp *ipp = &ctx->ipp;
1148 exynos_drm_ipp_unregister(drm_dev, ipp);
1149 drm_iommu_detach_device(drm_dev, dev);
1152 static const struct component_ops fimc_component_ops = {
1154 .unbind = fimc_unbind,
1157 static void fimc_put_clocks(struct fimc_context *ctx)
1161 for (i = 0; i < FIMC_CLKS_MAX; i++) {
1162 if (IS_ERR(ctx->clocks[i]))
1164 clk_put(ctx->clocks[i]);
1165 ctx->clocks[i] = ERR_PTR(-EINVAL);
1169 static int fimc_setup_clocks(struct fimc_context *ctx)
1171 struct device *fimc_dev = ctx->dev;
1175 for (i = 0; i < FIMC_CLKS_MAX; i++)
1176 ctx->clocks[i] = ERR_PTR(-EINVAL);
1178 for (i = 0; i < FIMC_CLKS_MAX; i++) {
1179 if (i == FIMC_CLK_WB_A || i == FIMC_CLK_WB_B)
1180 dev = fimc_dev->parent;
1184 ctx->clocks[i] = clk_get(dev, fimc_clock_names[i]);
1185 if (IS_ERR(ctx->clocks[i])) {
1186 ret = PTR_ERR(ctx->clocks[i]);
1187 dev_err(fimc_dev, "failed to get clock: %s\n",
1188 fimc_clock_names[i]);
1193 ret = clk_prepare_enable(ctx->clocks[FIMC_CLK_LCLK]);
1197 fimc_put_clocks(ctx);
1201 int exynos_drm_check_fimc_device(struct device *dev)
1203 int id = of_alias_get_id(dev->of_node, "fimc");
1205 if (id >= 0 && (BIT(id) & fimc_mask))
1210 static const unsigned int fimc_formats[] = {
1211 DRM_FORMAT_XRGB8888, DRM_FORMAT_RGB565,
1212 DRM_FORMAT_NV12, DRM_FORMAT_NV16, DRM_FORMAT_NV21, DRM_FORMAT_NV61,
1213 DRM_FORMAT_UYVY, DRM_FORMAT_VYUY, DRM_FORMAT_YUYV, DRM_FORMAT_YVYU,
1214 DRM_FORMAT_YUV420, DRM_FORMAT_YVU420, DRM_FORMAT_YUV422,
1218 static const unsigned int fimc_tiled_formats[] = {
1219 DRM_FORMAT_NV12, DRM_FORMAT_NV21,
1222 static const struct drm_exynos_ipp_limit fimc_4210_limits_v1[] = {
1223 { IPP_SIZE_LIMIT(BUFFER, .h = { 16, 8192, 8 }, .v = { 16, 8192, 2 }) },
1224 { IPP_SIZE_LIMIT(AREA, .h = { 16, 4224, 2 }, .v = { 16, 0, 2 }) },
1225 { IPP_SIZE_LIMIT(ROTATED, .h = { 128, 1920 }, .v = { 128, 0 }) },
1226 { IPP_SCALE_LIMIT(.h = { (1 << 16) / 64, (1 << 16) * 64 },
1227 .v = { (1 << 16) / 64, (1 << 16) * 64 }) },
1230 static const struct drm_exynos_ipp_limit fimc_4210_limits_v2[] = {
1231 { IPP_SIZE_LIMIT(BUFFER, .h = { 16, 8192, 8 }, .v = { 16, 8192, 2 }) },
1232 { IPP_SIZE_LIMIT(AREA, .h = { 16, 1920, 2 }, .v = { 16, 0, 2 }) },
1233 { IPP_SIZE_LIMIT(ROTATED, .h = { 128, 1366 }, .v = { 128, 0 }) },
1234 { IPP_SCALE_LIMIT(.h = { (1 << 16) / 64, (1 << 16) * 64 },
1235 .v = { (1 << 16) / 64, (1 << 16) * 64 }) },
1238 static const struct drm_exynos_ipp_limit fimc_4210_limits_tiled_v1[] = {
1239 { IPP_SIZE_LIMIT(BUFFER, .h = { 128, 1920, 128 }, .v = { 32, 1920, 32 }) },
1240 { IPP_SIZE_LIMIT(AREA, .h = { 128, 1920, 2 }, .v = { 128, 0, 2 }) },
1241 { IPP_SCALE_LIMIT(.h = { (1 << 16) / 64, (1 << 16) * 64 },
1242 .v = { (1 << 16) / 64, (1 << 16) * 64 }) },
1245 static const struct drm_exynos_ipp_limit fimc_4210_limits_tiled_v2[] = {
1246 { IPP_SIZE_LIMIT(BUFFER, .h = { 128, 1920, 128 }, .v = { 32, 1920, 32 }) },
1247 { IPP_SIZE_LIMIT(AREA, .h = { 128, 1366, 2 }, .v = { 128, 0, 2 }) },
1248 { IPP_SCALE_LIMIT(.h = { (1 << 16) / 64, (1 << 16) * 64 },
1249 .v = { (1 << 16) / 64, (1 << 16) * 64 }) },
1252 static int fimc_probe(struct platform_device *pdev)
1254 const struct drm_exynos_ipp_limit *limits;
1255 struct exynos_drm_ipp_formats *formats;
1256 struct device *dev = &pdev->dev;
1257 struct fimc_context *ctx;
1258 struct resource *res;
1260 int i, j, num_limits, num_formats;
1262 if (exynos_drm_check_fimc_device(dev) != 0)
1265 ctx = devm_kzalloc(dev, sizeof(*ctx), GFP_KERNEL);
1270 ctx->id = of_alias_get_id(dev->of_node, "fimc");
1272 /* construct formats/limits array */
1273 num_formats = ARRAY_SIZE(fimc_formats) + ARRAY_SIZE(fimc_tiled_formats);
1274 formats = devm_kcalloc(dev, num_formats, sizeof(*formats),
1279 /* linear formats */
1281 limits = fimc_4210_limits_v1;
1282 num_limits = ARRAY_SIZE(fimc_4210_limits_v1);
1284 limits = fimc_4210_limits_v2;
1285 num_limits = ARRAY_SIZE(fimc_4210_limits_v2);
1287 for (i = 0; i < ARRAY_SIZE(fimc_formats); i++) {
1288 formats[i].fourcc = fimc_formats[i];
1289 formats[i].type = DRM_EXYNOS_IPP_FORMAT_SOURCE |
1290 DRM_EXYNOS_IPP_FORMAT_DESTINATION;
1291 formats[i].limits = limits;
1292 formats[i].num_limits = num_limits;
1297 limits = fimc_4210_limits_tiled_v1;
1298 num_limits = ARRAY_SIZE(fimc_4210_limits_tiled_v1);
1300 limits = fimc_4210_limits_tiled_v2;
1301 num_limits = ARRAY_SIZE(fimc_4210_limits_tiled_v2);
1303 for (j = i, i = 0; i < ARRAY_SIZE(fimc_tiled_formats); j++, i++) {
1304 formats[j].fourcc = fimc_tiled_formats[i];
1305 formats[j].modifier = DRM_FORMAT_MOD_SAMSUNG_64_32_TILE;
1306 formats[j].type = DRM_EXYNOS_IPP_FORMAT_SOURCE |
1307 DRM_EXYNOS_IPP_FORMAT_DESTINATION;
1308 formats[j].limits = limits;
1309 formats[j].num_limits = num_limits;
1312 ctx->formats = formats;
1313 ctx->num_formats = num_formats;
1315 /* resource memory */
1316 ctx->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
1317 ctx->regs = devm_ioremap_resource(dev, ctx->regs_res);
1318 if (IS_ERR(ctx->regs))
1319 return PTR_ERR(ctx->regs);
1322 res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
1324 dev_err(dev, "failed to request irq resource.\n");
1328 ret = devm_request_irq(dev, res->start, fimc_irq_handler,
1329 0, dev_name(dev), ctx);
1331 dev_err(dev, "failed to request irq.\n");
1335 ret = fimc_setup_clocks(ctx);
1339 spin_lock_init(&ctx->lock);
1340 platform_set_drvdata(pdev, ctx);
1342 pm_runtime_use_autosuspend(dev);
1343 pm_runtime_set_autosuspend_delay(dev, FIMC_AUTOSUSPEND_DELAY);
1344 pm_runtime_enable(dev);
1346 ret = component_add(dev, &fimc_component_ops);
1350 dev_info(dev, "drm fimc registered successfully.\n");
1355 pm_runtime_dont_use_autosuspend(dev);
1356 pm_runtime_disable(dev);
1357 fimc_put_clocks(ctx);
1362 static int fimc_remove(struct platform_device *pdev)
1364 struct device *dev = &pdev->dev;
1365 struct fimc_context *ctx = get_fimc_context(dev);
1367 component_del(dev, &fimc_component_ops);
1368 pm_runtime_dont_use_autosuspend(dev);
1369 pm_runtime_disable(dev);
1371 fimc_put_clocks(ctx);
1377 static int fimc_runtime_suspend(struct device *dev)
1379 struct fimc_context *ctx = get_fimc_context(dev);
1381 DRM_DEBUG_KMS("id[%d]\n", ctx->id);
1382 clk_disable_unprepare(ctx->clocks[FIMC_CLK_GATE]);
1386 static int fimc_runtime_resume(struct device *dev)
1388 struct fimc_context *ctx = get_fimc_context(dev);
1390 DRM_DEBUG_KMS("id[%d]\n", ctx->id);
1391 return clk_prepare_enable(ctx->clocks[FIMC_CLK_GATE]);
1395 static const struct dev_pm_ops fimc_pm_ops = {
1396 SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
1397 pm_runtime_force_resume)
1398 SET_RUNTIME_PM_OPS(fimc_runtime_suspend, fimc_runtime_resume, NULL)
1401 static const struct of_device_id fimc_of_match[] = {
1402 { .compatible = "samsung,exynos4210-fimc" },
1403 { .compatible = "samsung,exynos4212-fimc" },
1406 MODULE_DEVICE_TABLE(of, fimc_of_match);
1408 struct platform_driver fimc_driver = {
1409 .probe = fimc_probe,
1410 .remove = fimc_remove,
1412 .of_match_table = fimc_of_match,
1413 .name = "exynos-drm-fimc",
1414 .owner = THIS_MODULE,