2 * Register interface file for Samsung Camera Interface (FIMC) driver
4 * Copyright (c) 2010 Samsung Electronics
6 * Sylwester Nawrocki, s.nawrocki@samsung.com
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
14 #include <linux/delay.h>
16 #include <media/s5p_fimc.h>
18 #include "fimc-core.h"
21 void fimc_hw_reset(struct fimc_dev *dev)
25 cfg = readl(dev->regs + S5P_CISRCFMT);
26 cfg |= S5P_CISRCFMT_ITU601_8BIT;
27 writel(cfg, dev->regs + S5P_CISRCFMT);
30 cfg = readl(dev->regs + S5P_CIGCTRL);
31 cfg |= (S5P_CIGCTRL_SWRST | S5P_CIGCTRL_IRQ_LEVEL);
32 writel(cfg, dev->regs + S5P_CIGCTRL);
35 cfg = readl(dev->regs + S5P_CIGCTRL);
36 cfg &= ~S5P_CIGCTRL_SWRST;
37 writel(cfg, dev->regs + S5P_CIGCTRL);
40 static u32 fimc_hw_get_in_flip(struct fimc_ctx *ctx)
42 u32 flip = S5P_MSCTRL_FLIP_NORMAL;
46 flip = S5P_MSCTRL_FLIP_X_MIRROR;
49 flip = S5P_MSCTRL_FLIP_Y_MIRROR;
52 flip = S5P_MSCTRL_FLIP_180;
57 if (ctx->rotation <= 90)
60 return (flip ^ S5P_MSCTRL_FLIP_180) & S5P_MSCTRL_FLIP_180;
63 static u32 fimc_hw_get_target_flip(struct fimc_ctx *ctx)
65 u32 flip = S5P_CITRGFMT_FLIP_NORMAL;
69 flip = S5P_CITRGFMT_FLIP_X_MIRROR;
72 flip = S5P_CITRGFMT_FLIP_Y_MIRROR;
75 flip = S5P_CITRGFMT_FLIP_180;
80 if (ctx->rotation <= 90)
83 return (flip ^ S5P_CITRGFMT_FLIP_180) & S5P_CITRGFMT_FLIP_180;
86 void fimc_hw_set_rotation(struct fimc_ctx *ctx)
89 struct fimc_dev *dev = ctx->fimc_dev;
91 cfg = readl(dev->regs + S5P_CITRGFMT);
92 cfg &= ~(S5P_CITRGFMT_INROT90 | S5P_CITRGFMT_OUTROT90 |
93 S5P_CITRGFMT_FLIP_180);
96 * The input and output rotator cannot work simultaneously.
97 * Use the output rotator in output DMA mode or the input rotator
98 * in direct fifo output mode.
100 if (ctx->rotation == 90 || ctx->rotation == 270) {
101 if (ctx->out_path == FIMC_LCDFIFO)
102 cfg |= S5P_CITRGFMT_INROT90;
104 cfg |= S5P_CITRGFMT_OUTROT90;
107 if (ctx->out_path == FIMC_DMA) {
108 cfg |= fimc_hw_get_target_flip(ctx);
109 writel(cfg, dev->regs + S5P_CITRGFMT);
112 flip = readl(dev->regs + S5P_MSCTRL);
113 flip &= ~S5P_MSCTRL_FLIP_MASK;
114 flip |= fimc_hw_get_in_flip(ctx);
115 writel(flip, dev->regs + S5P_MSCTRL);
119 void fimc_hw_set_target_format(struct fimc_ctx *ctx)
122 struct fimc_dev *dev = ctx->fimc_dev;
123 struct fimc_frame *frame = &ctx->d_frame;
125 dbg("w= %d, h= %d color: %d", frame->width,
126 frame->height, frame->fmt->color);
128 cfg = readl(dev->regs + S5P_CITRGFMT);
129 cfg &= ~(S5P_CITRGFMT_FMT_MASK | S5P_CITRGFMT_HSIZE_MASK |
130 S5P_CITRGFMT_VSIZE_MASK);
132 switch (frame->fmt->color) {
133 case S5P_FIMC_RGB565...S5P_FIMC_RGB888:
134 cfg |= S5P_CITRGFMT_RGB;
136 case S5P_FIMC_YCBCR420:
137 cfg |= S5P_CITRGFMT_YCBCR420;
139 case S5P_FIMC_YCBYCR422...S5P_FIMC_CRYCBY422:
140 if (frame->fmt->colplanes == 1)
141 cfg |= S5P_CITRGFMT_YCBCR422_1P;
143 cfg |= S5P_CITRGFMT_YCBCR422;
149 if (ctx->rotation == 90 || ctx->rotation == 270) {
150 cfg |= S5P_CITRGFMT_HSIZE(frame->height);
151 cfg |= S5P_CITRGFMT_VSIZE(frame->width);
154 cfg |= S5P_CITRGFMT_HSIZE(frame->width);
155 cfg |= S5P_CITRGFMT_VSIZE(frame->height);
158 writel(cfg, dev->regs + S5P_CITRGFMT);
160 cfg = readl(dev->regs + S5P_CITAREA) & ~S5P_CITAREA_MASK;
161 cfg |= (frame->width * frame->height);
162 writel(cfg, dev->regs + S5P_CITAREA);
165 static void fimc_hw_set_out_dma_size(struct fimc_ctx *ctx)
167 struct fimc_dev *dev = ctx->fimc_dev;
168 struct fimc_frame *frame = &ctx->d_frame;
171 cfg = S5P_ORIG_SIZE_HOR(frame->f_width);
172 cfg |= S5P_ORIG_SIZE_VER(frame->f_height);
173 writel(cfg, dev->regs + S5P_ORGOSIZE);
175 /* Select color space conversion equation (HD/SD size).*/
176 cfg = readl(dev->regs + S5P_CIGCTRL);
177 if (frame->f_width >= 1280) /* HD */
178 cfg |= S5P_CIGCTRL_CSC_ITU601_709;
180 cfg &= ~S5P_CIGCTRL_CSC_ITU601_709;
181 writel(cfg, dev->regs + S5P_CIGCTRL);
185 void fimc_hw_set_out_dma(struct fimc_ctx *ctx)
188 struct fimc_dev *dev = ctx->fimc_dev;
189 struct fimc_frame *frame = &ctx->d_frame;
190 struct fimc_dma_offset *offset = &frame->dma_offset;
192 /* Set the input dma offsets. */
194 cfg |= S5P_CIO_OFFS_HOR(offset->y_h);
195 cfg |= S5P_CIO_OFFS_VER(offset->y_v);
196 writel(cfg, dev->regs + S5P_CIOYOFF);
199 cfg |= S5P_CIO_OFFS_HOR(offset->cb_h);
200 cfg |= S5P_CIO_OFFS_VER(offset->cb_v);
201 writel(cfg, dev->regs + S5P_CIOCBOFF);
204 cfg |= S5P_CIO_OFFS_HOR(offset->cr_h);
205 cfg |= S5P_CIO_OFFS_VER(offset->cr_v);
206 writel(cfg, dev->regs + S5P_CIOCROFF);
208 fimc_hw_set_out_dma_size(ctx);
210 /* Configure chroma components order. */
211 cfg = readl(dev->regs + S5P_CIOCTRL);
213 cfg &= ~(S5P_CIOCTRL_ORDER2P_MASK | S5P_CIOCTRL_ORDER422_MASK |
214 S5P_CIOCTRL_YCBCR_PLANE_MASK);
216 if (frame->fmt->colplanes == 1)
217 cfg |= ctx->out_order_1p;
218 else if (frame->fmt->colplanes == 2)
219 cfg |= ctx->out_order_2p | S5P_CIOCTRL_YCBCR_2PLANE;
220 else if (frame->fmt->colplanes == 3)
221 cfg |= S5P_CIOCTRL_YCBCR_3PLANE;
223 writel(cfg, dev->regs + S5P_CIOCTRL);
226 static void fimc_hw_en_autoload(struct fimc_dev *dev, int enable)
228 u32 cfg = readl(dev->regs + S5P_ORGISIZE);
230 cfg |= S5P_CIREAL_ISIZE_AUTOLOAD_EN;
232 cfg &= ~S5P_CIREAL_ISIZE_AUTOLOAD_EN;
233 writel(cfg, dev->regs + S5P_ORGISIZE);
236 void fimc_hw_en_lastirq(struct fimc_dev *dev, int enable)
238 u32 cfg = readl(dev->regs + S5P_CIOCTRL);
240 cfg |= S5P_CIOCTRL_LASTIRQ_ENABLE;
242 cfg &= ~S5P_CIOCTRL_LASTIRQ_ENABLE;
243 writel(cfg, dev->regs + S5P_CIOCTRL);
246 static void fimc_hw_set_prescaler(struct fimc_ctx *ctx)
248 struct fimc_dev *dev = ctx->fimc_dev;
249 struct fimc_scaler *sc = &ctx->scaler;
252 shfactor = 10 - (sc->hfactor + sc->vfactor);
254 cfg = S5P_CISCPRERATIO_SHFACTOR(shfactor);
255 cfg |= S5P_CISCPRERATIO_HOR(sc->pre_hratio);
256 cfg |= S5P_CISCPRERATIO_VER(sc->pre_vratio);
257 writel(cfg, dev->regs + S5P_CISCPRERATIO);
259 cfg = S5P_CISCPREDST_WIDTH(sc->pre_dst_width);
260 cfg |= S5P_CISCPREDST_HEIGHT(sc->pre_dst_height);
261 writel(cfg, dev->regs + S5P_CISCPREDST);
264 void fimc_hw_set_scaler(struct fimc_ctx *ctx)
266 struct fimc_dev *dev = ctx->fimc_dev;
267 struct fimc_scaler *sc = &ctx->scaler;
268 struct fimc_frame *src_frame = &ctx->s_frame;
269 struct fimc_frame *dst_frame = &ctx->d_frame;
272 fimc_hw_set_prescaler(ctx);
274 if (!(ctx->flags & FIMC_COLOR_RANGE_NARROW))
275 cfg |= (S5P_CISCCTRL_CSCR2Y_WIDE | S5P_CISCCTRL_CSCY2R_WIDE);
278 cfg |= S5P_CISCCTRL_SCALERBYPASS;
281 cfg |= S5P_CISCCTRL_SCALEUP_H;
284 cfg |= S5P_CISCCTRL_SCALEUP_V;
287 cfg |= S5P_CISCCTRL_ONE2ONE;
290 if (ctx->in_path == FIMC_DMA) {
291 if (src_frame->fmt->color == S5P_FIMC_RGB565)
292 cfg |= S5P_CISCCTRL_INRGB_FMT_RGB565;
293 else if (src_frame->fmt->color == S5P_FIMC_RGB666)
294 cfg |= S5P_CISCCTRL_INRGB_FMT_RGB666;
295 else if (src_frame->fmt->color == S5P_FIMC_RGB888)
296 cfg |= S5P_CISCCTRL_INRGB_FMT_RGB888;
299 if (ctx->out_path == FIMC_DMA) {
300 if (dst_frame->fmt->color == S5P_FIMC_RGB565)
301 cfg |= S5P_CISCCTRL_OUTRGB_FMT_RGB565;
302 else if (dst_frame->fmt->color == S5P_FIMC_RGB666)
303 cfg |= S5P_CISCCTRL_OUTRGB_FMT_RGB666;
304 else if (dst_frame->fmt->color == S5P_FIMC_RGB888)
305 cfg |= S5P_CISCCTRL_OUTRGB_FMT_RGB888;
307 cfg |= S5P_CISCCTRL_OUTRGB_FMT_RGB888;
309 if (ctx->flags & FIMC_SCAN_MODE_INTERLACED)
310 cfg |= S5P_CISCCTRL_INTERLACE;
313 dbg("main_hratio= 0x%X main_vratio= 0x%X",
314 sc->main_hratio, sc->main_vratio);
316 cfg |= S5P_CISCCTRL_SC_HORRATIO(sc->main_hratio);
317 cfg |= S5P_CISCCTRL_SC_VERRATIO(sc->main_vratio);
319 writel(cfg, dev->regs + S5P_CISCCTRL);
322 void fimc_hw_en_capture(struct fimc_ctx *ctx)
324 struct fimc_dev *dev = ctx->fimc_dev;
326 u32 cfg = readl(dev->regs + S5P_CIIMGCPT);
328 if (ctx->out_path == FIMC_DMA) {
330 cfg |= S5P_CIIMGCPT_CPT_FREN_ENABLE | S5P_CIIMGCPT_IMGCPTEN;
332 /* Continous frame capture mode (freerun). */
333 cfg &= ~(S5P_CIIMGCPT_CPT_FREN_ENABLE |
334 S5P_CIIMGCPT_CPT_FRMOD_CNT);
335 cfg |= S5P_CIIMGCPT_IMGCPTEN;
338 if (ctx->scaler.enabled)
339 cfg |= S5P_CIIMGCPT_IMGCPTEN_SC;
341 writel(cfg | S5P_CIIMGCPT_IMGCPTEN, dev->regs + S5P_CIIMGCPT);
344 void fimc_hw_set_effect(struct fimc_ctx *ctx)
346 struct fimc_dev *dev = ctx->fimc_dev;
347 struct fimc_effect *effect = &ctx->effect;
348 u32 cfg = (S5P_CIIMGEFF_IE_ENABLE | S5P_CIIMGEFF_IE_SC_AFTER);
352 if (effect->type == S5P_FIMC_EFFECT_ARBITRARY) {
353 cfg |= S5P_CIIMGEFF_PAT_CB(effect->pat_cb);
354 cfg |= S5P_CIIMGEFF_PAT_CR(effect->pat_cr);
357 writel(cfg, dev->regs + S5P_CIIMGEFF);
360 static void fimc_hw_set_in_dma_size(struct fimc_ctx *ctx)
362 struct fimc_dev *dev = ctx->fimc_dev;
363 struct fimc_frame *frame = &ctx->s_frame;
367 if (FIMC_LCDFIFO == ctx->out_path)
368 cfg_r |= S5P_CIREAL_ISIZE_AUTOLOAD_EN;
370 cfg_o |= S5P_ORIG_SIZE_HOR(frame->f_width);
371 cfg_o |= S5P_ORIG_SIZE_VER(frame->f_height);
372 cfg_r |= S5P_CIREAL_ISIZE_WIDTH(frame->width);
373 cfg_r |= S5P_CIREAL_ISIZE_HEIGHT(frame->height);
375 writel(cfg_o, dev->regs + S5P_ORGISIZE);
376 writel(cfg_r, dev->regs + S5P_CIREAL_ISIZE);
379 void fimc_hw_set_in_dma(struct fimc_ctx *ctx)
381 struct fimc_dev *dev = ctx->fimc_dev;
382 struct fimc_frame *frame = &ctx->s_frame;
383 struct fimc_dma_offset *offset = &frame->dma_offset;
386 /* Set the pixel offsets. */
387 cfg = S5P_CIO_OFFS_HOR(offset->y_h);
388 cfg |= S5P_CIO_OFFS_VER(offset->y_v);
389 writel(cfg, dev->regs + S5P_CIIYOFF);
391 cfg = S5P_CIO_OFFS_HOR(offset->cb_h);
392 cfg |= S5P_CIO_OFFS_VER(offset->cb_v);
393 writel(cfg, dev->regs + S5P_CIICBOFF);
395 cfg = S5P_CIO_OFFS_HOR(offset->cr_h);
396 cfg |= S5P_CIO_OFFS_VER(offset->cr_v);
397 writel(cfg, dev->regs + S5P_CIICROFF);
399 /* Input original and real size. */
400 fimc_hw_set_in_dma_size(ctx);
402 /* Use DMA autoload only in FIFO mode. */
403 fimc_hw_en_autoload(dev, ctx->out_path == FIMC_LCDFIFO);
405 /* Set the input DMA to process single frame only. */
406 cfg = readl(dev->regs + S5P_MSCTRL);
407 cfg &= ~(S5P_MSCTRL_INFORMAT_MASK
408 | S5P_MSCTRL_IN_BURST_COUNT_MASK
409 | S5P_MSCTRL_INPUT_MASK
410 | S5P_MSCTRL_C_INT_IN_MASK
411 | S5P_MSCTRL_2P_IN_ORDER_MASK);
413 cfg |= S5P_MSCTRL_IN_BURST_COUNT(4) | S5P_MSCTRL_INPUT_MEMORY;
415 switch (frame->fmt->color) {
416 case S5P_FIMC_RGB565...S5P_FIMC_RGB888:
417 cfg |= S5P_MSCTRL_INFORMAT_RGB;
419 case S5P_FIMC_YCBCR420:
420 cfg |= S5P_MSCTRL_INFORMAT_YCBCR420;
422 if (frame->fmt->colplanes == 2)
423 cfg |= ctx->in_order_2p | S5P_MSCTRL_C_INT_IN_2PLANE;
425 cfg |= S5P_MSCTRL_C_INT_IN_3PLANE;
428 case S5P_FIMC_YCBYCR422...S5P_FIMC_CRYCBY422:
429 if (frame->fmt->colplanes == 1) {
430 cfg |= ctx->in_order_1p
431 | S5P_MSCTRL_INFORMAT_YCBCR422_1P;
433 cfg |= S5P_MSCTRL_INFORMAT_YCBCR422;
435 if (frame->fmt->colplanes == 2)
436 cfg |= ctx->in_order_2p
437 | S5P_MSCTRL_C_INT_IN_2PLANE;
439 cfg |= S5P_MSCTRL_C_INT_IN_3PLANE;
446 writel(cfg, dev->regs + S5P_MSCTRL);
448 /* Input/output DMA linear/tiled mode. */
449 cfg = readl(dev->regs + S5P_CIDMAPARAM);
450 cfg &= ~S5P_CIDMAPARAM_TILE_MASK;
452 if (tiled_fmt(ctx->s_frame.fmt))
453 cfg |= S5P_CIDMAPARAM_R_64X32;
455 if (tiled_fmt(ctx->d_frame.fmt))
456 cfg |= S5P_CIDMAPARAM_W_64X32;
458 writel(cfg, dev->regs + S5P_CIDMAPARAM);
462 void fimc_hw_set_input_path(struct fimc_ctx *ctx)
464 struct fimc_dev *dev = ctx->fimc_dev;
466 u32 cfg = readl(dev->regs + S5P_MSCTRL);
467 cfg &= ~S5P_MSCTRL_INPUT_MASK;
469 if (ctx->in_path == FIMC_DMA)
470 cfg |= S5P_MSCTRL_INPUT_MEMORY;
472 cfg |= S5P_MSCTRL_INPUT_EXTCAM;
474 writel(cfg, dev->regs + S5P_MSCTRL);
477 void fimc_hw_set_output_path(struct fimc_ctx *ctx)
479 struct fimc_dev *dev = ctx->fimc_dev;
481 u32 cfg = readl(dev->regs + S5P_CISCCTRL);
482 cfg &= ~S5P_CISCCTRL_LCDPATHEN_FIFO;
483 if (ctx->out_path == FIMC_LCDFIFO)
484 cfg |= S5P_CISCCTRL_LCDPATHEN_FIFO;
485 writel(cfg, dev->regs + S5P_CISCCTRL);
488 void fimc_hw_set_input_addr(struct fimc_dev *dev, struct fimc_addr *paddr)
490 u32 cfg = readl(dev->regs + S5P_CIREAL_ISIZE);
491 cfg |= S5P_CIREAL_ISIZE_ADDR_CH_DIS;
492 writel(cfg, dev->regs + S5P_CIREAL_ISIZE);
494 writel(paddr->y, dev->regs + S5P_CIIYSA(0));
495 writel(paddr->cb, dev->regs + S5P_CIICBSA(0));
496 writel(paddr->cr, dev->regs + S5P_CIICRSA(0));
498 cfg &= ~S5P_CIREAL_ISIZE_ADDR_CH_DIS;
499 writel(cfg, dev->regs + S5P_CIREAL_ISIZE);
502 void fimc_hw_set_output_addr(struct fimc_dev *dev,
503 struct fimc_addr *paddr, int index)
505 int i = (index == -1) ? 0 : index;
507 writel(paddr->y, dev->regs + S5P_CIOYSA(i));
508 writel(paddr->cb, dev->regs + S5P_CIOCBSA(i));
509 writel(paddr->cr, dev->regs + S5P_CIOCRSA(i));
510 dbg("dst_buf[%d]: 0x%X, cb: 0x%X, cr: 0x%X",
511 i, paddr->y, paddr->cb, paddr->cr);
512 } while (index == -1 && ++i < FIMC_MAX_OUT_BUFS);
515 int fimc_hw_set_camera_polarity(struct fimc_dev *fimc,
516 struct s5p_fimc_isp_info *cam)
518 u32 cfg = readl(fimc->regs + S5P_CIGCTRL);
520 cfg &= ~(S5P_CIGCTRL_INVPOLPCLK | S5P_CIGCTRL_INVPOLVSYNC |
521 S5P_CIGCTRL_INVPOLHREF | S5P_CIGCTRL_INVPOLHSYNC);
523 if (cam->flags & FIMC_CLK_INV_PCLK)
524 cfg |= S5P_CIGCTRL_INVPOLPCLK;
526 if (cam->flags & FIMC_CLK_INV_VSYNC)
527 cfg |= S5P_CIGCTRL_INVPOLVSYNC;
529 if (cam->flags & FIMC_CLK_INV_HREF)
530 cfg |= S5P_CIGCTRL_INVPOLHREF;
532 if (cam->flags & FIMC_CLK_INV_HSYNC)
533 cfg |= S5P_CIGCTRL_INVPOLHSYNC;
535 writel(cfg, fimc->regs + S5P_CIGCTRL);
540 int fimc_hw_set_camera_source(struct fimc_dev *fimc,
541 struct s5p_fimc_isp_info *cam)
543 struct fimc_frame *f = &fimc->vid_cap.ctx->s_frame;
548 static const struct {
553 { V4L2_MBUS_FMT_YUYV8_2X8, S5P_CISRCFMT_ORDER422_YCBYCR, 8 },
554 { V4L2_MBUS_FMT_YVYU8_2X8, S5P_CISRCFMT_ORDER422_YCRYCB, 8 },
555 { V4L2_MBUS_FMT_VYUY8_2X8, S5P_CISRCFMT_ORDER422_CRYCBY, 8 },
556 { V4L2_MBUS_FMT_UYVY8_2X8, S5P_CISRCFMT_ORDER422_CBYCRY, 8 },
557 /* TODO: Add pixel codes for 16-bit bus width */
560 if (cam->bus_type == FIMC_ITU_601 || cam->bus_type == FIMC_ITU_656) {
561 for (i = 0; i < ARRAY_SIZE(pix_desc); i++) {
562 if (fimc->vid_cap.fmt.code == pix_desc[i].pixelcode) {
563 cfg = pix_desc[i].cisrcfmt;
564 bus_width = pix_desc[i].bus_width;
569 if (i == ARRAY_SIZE(pix_desc)) {
570 v4l2_err(&fimc->vid_cap.v4l2_dev,
571 "Camera color format not supported: %d\n",
572 fimc->vid_cap.fmt.code);
576 if (cam->bus_type == FIMC_ITU_601) {
578 cfg |= S5P_CISRCFMT_ITU601_8BIT;
579 else if (bus_width == 16)
580 cfg |= S5P_CISRCFMT_ITU601_16BIT;
581 } /* else defaults to ITU-R BT.656 8-bit */
584 cfg |= S5P_CISRCFMT_HSIZE(f->o_width) | S5P_CISRCFMT_VSIZE(f->o_height);
585 writel(cfg, fimc->regs + S5P_CISRCFMT);
590 int fimc_hw_set_camera_offset(struct fimc_dev *fimc, struct fimc_frame *f)
594 u32 cfg = readl(fimc->regs + S5P_CIWDOFST);
596 cfg &= ~(S5P_CIWDOFST_HOROFF_MASK | S5P_CIWDOFST_VEROFF_MASK);
597 cfg |= S5P_CIWDOFST_OFF_EN |
598 S5P_CIWDOFST_HOROFF(f->offs_h) |
599 S5P_CIWDOFST_VEROFF(f->offs_v);
601 writel(cfg, fimc->regs + S5P_CIWDOFST);
603 /* See CIWDOFSTn register description in the datasheet for details. */
604 hoff2 = f->o_width - f->width - f->offs_h;
605 voff2 = f->o_height - f->height - f->offs_v;
606 cfg = S5P_CIWDOFST2_HOROFF(hoff2) | S5P_CIWDOFST2_VEROFF(voff2);
608 writel(cfg, fimc->regs + S5P_CIWDOFST2);
612 int fimc_hw_set_camera_type(struct fimc_dev *fimc,
613 struct s5p_fimc_isp_info *cam)
616 struct fimc_vid_cap *vid_cap = &fimc->vid_cap;
618 cfg = readl(fimc->regs + S5P_CIGCTRL);
620 /* Select ITU B interface, disable Writeback path and test pattern. */
621 cfg &= ~(S5P_CIGCTRL_TESTPAT_MASK | S5P_CIGCTRL_SELCAM_ITU_A |
622 S5P_CIGCTRL_SELCAM_MIPI | S5P_CIGCTRL_CAMIF_SELWB |
623 S5P_CIGCTRL_SELCAM_MIPI_A);
625 if (cam->bus_type == FIMC_MIPI_CSI2) {
626 cfg |= S5P_CIGCTRL_SELCAM_MIPI;
628 if (cam->mux_id == 0)
629 cfg |= S5P_CIGCTRL_SELCAM_MIPI_A;
631 /* TODO: add remaining supported formats. */
632 if (vid_cap->fmt.code == V4L2_MBUS_FMT_VYUY8_2X8) {
633 tmp = S5P_CSIIMGFMT_YCBCR422_8BIT;
635 err("camera image format not supported: %d",
639 writel(tmp | (0x1 << 8), fimc->regs + S5P_CSIIMGFMT);
641 } else if (cam->bus_type == FIMC_ITU_601 ||
642 cam->bus_type == FIMC_ITU_656) {
643 if (cam->mux_id == 0) /* ITU-A, ITU-B: 0, 1 */
644 cfg |= S5P_CIGCTRL_SELCAM_ITU_A;
645 } else if (cam->bus_type == FIMC_LCD_WB) {
646 cfg |= S5P_CIGCTRL_CAMIF_SELWB;
648 err("invalid camera bus type selected\n");
651 writel(cfg, fimc->regs + S5P_CIGCTRL);