aboutsummaryrefslogtreecommitdiff
path: root/include/video/imx-ipu-v3.h
blob: 06b0b57e996cb5efad84cf74dc391766fedaf986 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
/*
 * Copyright 2005-2009 Freescale Semiconductor, Inc.
 *
 * The code contained herein is licensed under the GNU Lesser General
 * Public License.  You may obtain a copy of the GNU Lesser General
 * Public License Version 2.1 or later at the following locations:
 *
 * http://www.opensource.org/licenses/lgpl-license.html
 * http://www.gnu.org/copyleft/lgpl.html
 */

#ifndef __DRM_IPU_H__
#define __DRM_IPU_H__

#include <linux/types.h>
#include <linux/videodev2.h>
#include <linux/bitmap.h>
#include <linux/fb.h>
#include <linux/of.h>
#include <media/v4l2-mediabus.h>
#include <video/videomode.h>

struct ipu_soc;

enum ipuv3_type {
	IPUV3EX,
	IPUV3M,
	IPUV3H,
};

#define IPU_PIX_FMT_GBR24	v4l2_fourcc('G', 'B', 'R', '3')

/*
 * Bitfield of Display Interface signal polarities.
 */
struct ipu_di_signal_cfg {
	unsigned data_pol:1;	/* true = inverted */
	unsigned clk_pol:1;	/* true = rising edge */
	unsigned enable_pol:1;

	struct videomode mode;

	u32 bus_format;
	u32 v_to_h_sync;

#define IPU_DI_CLKMODE_SYNC	(1 << 0)
#define IPU_DI_CLKMODE_EXT	(1 << 1)
	unsigned long clkflags;

	u8 hsync_pin;
	u8 vsync_pin;
};

/*
 * Enumeration of CSI destinations
 */
enum ipu_csi_dest {
	IPU_CSI_DEST_IDMAC, /* to memory via SMFC */
	IPU_CSI_DEST_IC,	/* to Image Converter */
	IPU_CSI_DEST_VDIC,  /* to VDIC */
};

/*
 * Enumeration of IPU rotation modes
 */
#define IPU_ROT_BIT_VFLIP (1 << 0)
#define IPU_ROT_BIT_HFLIP (1 << 1)
#define IPU_ROT_BIT_90    (1 << 2)

enum ipu_rotate_mode {
	IPU_ROTATE_NONE = 0,
	IPU_ROTATE_VERT_FLIP = IPU_ROT_BIT_VFLIP,
	IPU_ROTATE_HORIZ_FLIP = IPU_ROT_BIT_HFLIP,
	IPU_ROTATE_180 = (IPU_ROT_BIT_VFLIP | IPU_ROT_BIT_HFLIP),
	IPU_ROTATE_90_RIGHT = IPU_ROT_BIT_90,
	IPU_ROTATE_90_RIGHT_VFLIP = (IPU_ROT_BIT_90 | IPU_ROT_BIT_VFLIP),
	IPU_ROTATE_90_RIGHT_HFLIP = (IPU_ROT_BIT_90 | IPU_ROT_BIT_HFLIP),
	IPU_ROTATE_90_LEFT = (IPU_ROT_BIT_90 |
			      IPU_ROT_BIT_VFLIP | IPU_ROT_BIT_HFLIP),
};

/* 90-degree rotations require the IRT unit */
#define ipu_rot_mode_is_irt(m) (((m) & IPU_ROT_BIT_90) != 0)

enum ipu_color_space {
	IPUV3_COLORSPACE_RGB,
	IPUV3_COLORSPACE_YUV,
	IPUV3_COLORSPACE_UNKNOWN,
};

/*
 * Enumeration of VDI MOTION select
 */
enum ipu_motion_sel {
	MOTION_NONE = 0,
	LOW_MOTION,
	MED_MOTION,
	HIGH_MOTION,
};

struct ipuv3_channel;

enum ipu_channel_irq {
	IPU_IRQ_EOF = 0,
	IPU_IRQ_NFACK = 64,
	IPU_IRQ_NFB4EOF = 128,
	IPU_IRQ_EOS = 192,
};

/*
 * Enumeration of IDMAC channels
 */
#define IPUV3_CHANNEL_CSI0			 0
#define IPUV3_CHANNEL_CSI1			 1
#define IPUV3_CHANNEL_CSI2			 2
#define IPUV3_CHANNEL_CSI3			 3
#define IPUV3_CHANNEL_VDI_MEM_IC_VF		 5
/*
 * NOTE: channels 6,7 are unused in the IPU and are not IDMAC channels,
 * but the direct CSI->VDI linking is handled the same way as IDMAC
 * channel linking in the FSU via the IPU_FS_PROC_FLOW registers, so
 * these channel names are used to support the direct CSI->VDI link.
 */
#define IPUV3_CHANNEL_CSI_DIRECT		 6
#define IPUV3_CHANNEL_CSI_VDI_PREV		 7
#define IPUV3_CHANNEL_MEM_VDI_PREV		 8
#define IPUV3_CHANNEL_MEM_VDI_CUR		 9
#define IPUV3_CHANNEL_MEM_VDI_NEXT		10
#define IPUV3_CHANNEL_MEM_IC_PP			11
#define IPUV3_CHANNEL_MEM_IC_PRP_VF		12
#define IPUV3_CHANNEL_VDI_MEM_RECENT		13
#define IPUV3_CHANNEL_G_MEM_IC_PRP_VF		14
#define IPUV3_CHANNEL_G_MEM_IC_PP		15
#define IPUV3_CHANNEL_G_MEM_IC_PRP_VF_ALPHA	17
#define IPUV3_CHANNEL_G_MEM_IC_PP_ALPHA		18
#define IPUV3_CHANNEL_MEM_VDI_PLANE1_COMB_ALPHA	19
#define IPUV3_CHANNEL_IC_PRP_ENC_MEM		20
#define IPUV3_CHANNEL_IC_PRP_VF_MEM		21
#define IPUV3_CHANNEL_IC_PP_MEM			22
#define IPUV3_CHANNEL_MEM_BG_SYNC		23
#define IPUV3_CHANNEL_MEM_BG_ASYNC		24
#define IPUV3_CHANNEL_MEM_VDI_PLANE1_COMB	25
#define IPUV3_CHANNEL_MEM_VDI_PLANE3_COMB	26
#define IPUV3_CHANNEL_MEM_FG_SYNC		27
#define IPUV3_CHANNEL_MEM_DC_SYNC		28
#define IPUV3_CHANNEL_MEM_FG_ASYNC		29
#define IPUV3_CHANNEL_MEM_FG_SYNC_ALPHA		31
#define IPUV3_CHANNEL_MEM_FG_ASYNC_ALPHA	33
#define IPUV3_CHANNEL_DC_MEM_READ		40
#define IPUV3_CHANNEL_MEM_DC_ASYNC		41
#define IPUV3_CHANNEL_MEM_DC_COMMAND		42
#define IPUV3_CHANNEL_MEM_DC_COMMAND2		43
#define IPUV3_CHANNEL_MEM_DC_OUTPUT_MASK	44
#define IPUV3_CHANNEL_MEM_ROT_ENC		45
#define IPUV3_CHANNEL_MEM_ROT_VF		46
#define IPUV3_CHANNEL_MEM_ROT_PP		47
#define IPUV3_CHANNEL_ROT_ENC_MEM		48
#define IPUV3_CHANNEL_ROT_VF_MEM		49
#define IPUV3_CHANNEL_ROT_PP_MEM		50
#define IPUV3_CHANNEL_MEM_BG_SYNC_ALPHA		51
#define IPUV3_CHANNEL_MEM_BG_ASYNC_ALPHA	52
#define IPUV3_NUM_CHANNELS			64

static inline int ipu_channel_alpha_channel(int ch_num)
{
	switch (ch_num) {
	case IPUV3_CHANNEL_G_MEM_IC_PRP_VF:
		return IPUV3_CHANNEL_G_MEM_IC_PRP_VF_ALPHA;
	case IPUV3_CHANNEL_G_MEM_IC_PP:
		return IPUV3_CHANNEL_G_MEM_IC_PP_ALPHA;
	case IPUV3_CHANNEL_MEM_FG_SYNC:
		return IPUV3_CHANNEL_MEM_FG_SYNC_ALPHA;
	case IPUV3_CHANNEL_MEM_FG_ASYNC:
		return IPUV3_CHANNEL_MEM_FG_ASYNC_ALPHA;
	case IPUV3_CHANNEL_MEM_BG_SYNC:
		return IPUV3_CHANNEL_MEM_BG_SYNC_ALPHA;
	case IPUV3_CHANNEL_MEM_BG_ASYNC:
		return IPUV3_CHANNEL_MEM_BG_ASYNC_ALPHA;
	case IPUV3_CHANNEL_MEM_VDI_PLANE1_COMB:
		return IPUV3_CHANNEL_MEM_VDI_PLANE1_COMB_ALPHA;
	default:
		return -EINVAL;
	}
}

int ipu_map_irq(struct ipu_soc *ipu, int irq);
int ipu_idmac_channel_irq(struct ipu_soc *ipu, struct ipuv3_channel *channel,
		enum ipu_channel_irq irq);

#define IPU_IRQ_DP_SF_START		(448 + 2)
#define IPU_IRQ_DP_SF_END		(448 + 3)
#define IPU_IRQ_BG_SF_END		IPU_IRQ_DP_SF_END,
#define IPU_IRQ_DC_FC_0			(448 + 8)
#define IPU_IRQ_DC_FC_1			(448 + 9)
#define IPU_IRQ_DC_FC_2			(448 + 10)
#define IPU_IRQ_DC_FC_3			(448 + 11)
#define IPU_IRQ_DC_FC_4			(448 + 12)
#define IPU_IRQ_DC_FC_6			(448 + 13)
#define IPU_IRQ_VSYNC_PRE_0		(448 + 14)
#define IPU_IRQ_VSYNC_PRE_1		(448 + 15)

/*
 * IPU Common functions
 */
int ipu_get_num(struct ipu_soc *ipu);
void ipu_set_csi_src_mux(struct ipu_soc *ipu, int csi_id, bool mipi_csi2);
void ipu_set_ic_src_mux(struct ipu_soc *ipu, int csi_id, bool vdi);
void ipu_dump(struct ipu_soc *ipu);

/*
 * IPU Image DMA Controller (idmac) functions
 */
struct ipuv3_channel *ipu_idmac_get(struct ipu_soc *ipu, unsigned channel);
void ipu_idmac_put(struct ipuv3_channel *);

int ipu_idmac_enable_channel(struct ipuv3_channel *channel);
int ipu_idmac_disable_channel(struct ipuv3_channel *channel);
void ipu_idmac_enable_watermark(struct ipuv3_channel *channel, bool enable);
int ipu_idmac_lock_enable(struct ipuv3_channel *channel, int num_bursts);
int ipu_idmac_wait_busy(struct ipuv3_channel *channel, int ms);

void ipu_idmac_set_double_buffer(struct ipuv3_channel *channel,
		bool doublebuffer);
int ipu_idmac_get_current_buffer(struct ipuv3_channel *channel);
bool ipu_idmac_buffer_is_ready(struct ipuv3_channel *channel, u32 buf_num);
void ipu_idmac_select_buffer(struct ipuv3_channel *channel, u32 buf_num);
void ipu_idmac_clear_buffer(struct ipuv3_channel *channel, u32 buf_num);
int ipu_fsu_link(struct ipu_soc *ipu, int src_ch, int sink_ch);
int ipu_fsu_unlink(struct ipu_soc *ipu, int src_ch, int sink_ch);
int ipu_idmac_link(struct ipuv3_channel *src, struct ipuv3_channel *sink);
int ipu_idmac_unlink(struct ipuv3_channel *src, struct ipuv3_channel *sink);

/*
 * IPU Channel Parameter Memory (cpmem) functions
 */
struct ipu_rgb {
	struct fb_bitfield      red;
	struct fb_bitfield      green;
	struct fb_bitfield      blue;
	struct fb_bitfield      transp;
	int                     bits_per_pixel;
};

struct ipu_image {
	struct v4l2_pix_format pix;
	struct v4l2_rect rect;
	dma_addr_t phys0;
	dma_addr_t phys1;
	/* chroma plane offset overrides */
	u32 u_offset;
	u32 v_offset;
};

void ipu_cpmem_zero(struct ipuv3_channel *ch);
void ipu_cpmem_set_resolution(struct ipuv3_channel *ch, int xres, int yres);
void ipu_cpmem_skip_odd_chroma_rows(struct ipuv3_channel *ch);
void ipu_cpmem_set_stride(struct ipuv3_channel *ch, int stride);
void ipu_cpmem_set_high_priority(struct ipuv3_channel *ch);
void ipu_cpmem_set_buffer(struct ipuv3_channel *ch, int bufnum, dma_addr_t buf);
void ipu_cpmem_set_uv_offset(struct ipuv3_channel *ch, u32 u_off, u32 v_off);
void ipu_cpmem_interlaced_scan(struct ipuv3_channel *ch, int stride,
			       u32 pixelformat);
void ipu_cpmem_set_axi_id(struct ipuv3_channel *ch, u32 id);
int ipu_cpmem_get_burstsize(struct ipuv3_channel *ch);
void ipu_cpmem_set_burstsize(struct ipuv3_channel *ch, int burstsize);
void ipu_cpmem_set_block_mode(struct ipuv3_channel *ch);
void ipu_cpmem_set_rotation(struct ipuv3_channel *ch,
			    enum ipu_rotate_mode rot);
int ipu_cpmem_set_format_rgb(struct ipuv3_channel *ch,
			     const struct ipu_rgb *rgb);
int ipu_cpmem_set_format_passthrough(struct ipuv3_channel *ch, int width);
void ipu_cpmem_set_yuv_interleaved(struct ipuv3_channel *ch, u32 pixel_format);
void ipu_cpmem_set_yuv_planar_full(struct ipuv3_channel *ch,
				   unsigned int uv_stride,
				   unsigned int u_offset,
				   unsigned int v_offset);
int ipu_cpmem_set_fmt(struct ipuv3_channel *ch, u32 drm_fourcc);
int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image);
void ipu_cpmem_dump(struct ipuv3_channel *ch);

/*
 * IPU Display Controller (dc) functions
 */
struct ipu_dc;
struct ipu_di;
struct ipu_dc *ipu_dc_get(struct ipu_soc *ipu, int channel);
void ipu_dc_put(struct ipu_dc *dc);
int ipu_dc_init_sync(struct ipu_dc *dc, struct ipu_di *di, bool interlaced,
		u32 pixel_fmt, u32 width);
void ipu_dc_enable(struct ipu_soc *ipu);
void ipu_dc_enable_channel(struct ipu_dc *dc);
void ipu_dc_disable_channel(struct ipu_dc *dc);
void ipu_dc_disable(struct ipu_soc *ipu);

/*
 * IPU Display Interface (di) functions
 */
struct ipu_di *ipu_di_get(struct ipu_soc *ipu, int disp);
void ipu_di_put(struct ipu_di *);
int ipu_di_disable(struct ipu_di *);
int ipu_di_enable(struct ipu_di *);
int ipu_di_get_num(struct ipu_di *);
int ipu_di_adjust_videomode(struct ipu_di *di, struct videomode *mode);
int ipu_di_init_sync_panel(struct ipu_di *, struct ipu_di_signal_cfg *sig);

/*
 * IPU Display Multi FIFO Controller (dmfc) functions
 */
struct dmfc_channel;
int ipu_dmfc_enable_channel(struct dmfc_channel *dmfc);
void ipu_dmfc_disable_channel(struct dmfc_channel *dmfc);
void ipu_dmfc_config_wait4eot(struct dmfc_channel *dmfc, int width);
struct dmfc_channel *ipu_dmfc_get(struct ipu_soc *ipu, int ipuv3_channel);
void ipu_dmfc_put(struct dmfc_channel *dmfc);

/*
 * IPU Display Processor (dp) functions
 */
#define IPU_DP_FLOW_SYNC_BG	0
#define IPU_DP_FLOW_SYNC_FG	1
#define IPU_DP_FLOW_ASYNC0_BG	2
#define IPU_DP_FLOW_ASYNC0_FG	3
#define IPU_DP_FLOW_ASYNC1_BG	4
#define IPU_DP_FLOW_ASYNC1_FG	5

struct ipu_dp *ipu_dp_get(struct ipu_soc *ipu, unsigned int flow);
void ipu_dp_put(struct ipu_dp *);
int ipu_dp_enable(struct ipu_soc *ipu);
int ipu_dp_enable_channel(struct ipu_dp *dp);
void ipu_dp_disable_channel(struct ipu_dp *dp, bool sync);
void ipu_dp_disable(struct ipu_soc *ipu);
int ipu_dp_setup_channel(struct ipu_dp *dp,
		enum ipu_color_space in, enum ipu_color_space out);
int ipu_dp_set_window_pos(struct ipu_dp *, u16 x_pos, u16 y_pos);
int ipu_dp_set_global_alpha(struct ipu_dp *dp, bool enable, u8 alpha,
		bool bg_chan);

/*
 * IPU Prefetch Resolve Gasket (prg) functions
 */
int ipu_prg_max_active_channels(void);
bool ipu_prg_present(struct ipu_soc *ipu);
bool ipu_prg_format_supported(struct ipu_soc *ipu, uint32_t format,
			      uint64_t modifier);
int ipu_prg_enable(struct ipu_soc *ipu);
void ipu_prg_disable(struct ipu_soc *ipu);
void ipu_prg_channel_disable(struct ipuv3_channel *ipu_chan);
int ipu_prg_channel_configure(struct ipuv3_channel *ipu_chan,
			      unsigned int axi_id,  unsigned int width,
			      unsigned int height, unsigned int stride,
			      u32 format, uint64_t modifier, unsigned long *eba);
bool ipu_prg_channel_configure_pending(struct ipuv3_channel *ipu_chan);

/*
 * IPU CMOS Sensor Interface (csi) functions
 */
struct ipu_csi;
int ipu_csi_init_interface(struct ipu_csi *csi,
			   const struct v4l2_mbus_config *mbus_cfg,
			   const struct v4l2_mbus_framefmt *infmt,
			   const struct v4l2_mbus_framefmt *outfmt);
bool ipu_csi_is_interlaced(struct ipu_csi *csi);
void ipu_csi_get_window(struct ipu_csi *csi, struct v4l2_rect *w);
void ipu_csi_set_window(struct ipu_csi *csi, struct v4l2_rect *w);
void ipu_csi_set_downsize(struct ipu_csi *csi, bool horiz, bool vert);
void ipu_csi_set_test_generator(struct ipu_csi *csi, bool active,
				u32 r_value, u32 g_value, u32 b_value,
				u32 pix_clk);
int ipu_csi_set_mipi_datatype(struct ipu_csi *csi, u32 vc,
			      struct v4l2_mbus_framefmt *mbus_fmt);
int ipu_csi_set_skip_smfc(struct ipu_csi *csi, u32 skip,
			  u32 max_ratio, u32 id);
int ipu_csi_set_dest(struct ipu_csi *csi, enum ipu_csi_dest csi_dest);
int ipu_csi_enable(struct ipu_csi *csi);
int ipu_csi_disable(struct ipu_csi *csi);
struct ipu_csi *ipu_csi_get(struct ipu_soc *ipu, int id);
void ipu_csi_put(struct ipu_csi *csi);
void ipu_csi_dump(struct ipu_csi *csi);

/*
 * IPU Image Converter (ic) functions
 */
enum ipu_ic_task {
	IC_TASK_ENCODER,
	IC_TASK_VIEWFINDER,
	IC_TASK_POST_PROCESSOR,
	IC_NUM_TASKS,
};

/*
 * The parameters that describe a colorspace according to the
 * Image Converter:
 *    - Y'CbCr encoding
 *    - quantization
 *    - "colorspace" (RGB or YUV).
 */
struct ipu_ic_colorspace {
	enum v4l2_ycbcr_encoding enc;
	enum v4l2_quantization quant;
	enum ipu_color_space cs;
};

static inline void
ipu_ic_fill_colorspace(struct ipu_ic_colorspace *ic_cs,
		       enum v4l2_ycbcr_encoding enc,
		       enum v4l2_quantization quant,
		       enum ipu_color_space cs)
{
	ic_cs->enc = enc;
	ic_cs->quant = quant;
	ic_cs->cs = cs;
}

struct ipu_ic_csc_params {
	s16 coeff[3][3];	/* signed 9-bit integer coefficients */
	s16 offset[3];		/* signed 11+2-bit fixed point offset */
	u8 scale:2;		/* scale coefficients * 2^(scale-1) */
	bool sat:1;		/* saturate to (16, 235(Y) / 240(U, V)) */
};

struct ipu_ic_csc {
	struct ipu_ic_colorspace in_cs;
	struct ipu_ic_colorspace out_cs;
	struct ipu_ic_csc_params params;
};

struct ipu_ic;

int __ipu_ic_calc_csc(struct ipu_ic_csc *csc);
int ipu_ic_calc_csc(struct ipu_ic_csc *csc,
		    enum v4l2_ycbcr_encoding in_enc,
		    enum v4l2_quantization in_quant,
		    enum ipu_color_space in_cs,
		    enum v4l2_ycbcr_encoding out_enc,
		    enum v4l2_quantization out_quant,
		    enum ipu_color_space out_cs);
int ipu_ic_task_init(struct ipu_ic *ic,
		     const struct ipu_ic_csc *csc,
		     int in_width, int in_height,
		     int out_width, int out_height);
int ipu_ic_task_init_rsc(struct ipu_ic *ic,
			 const struct ipu_ic_csc *csc,
			 int in_width, int in_height,
			 int out_width, int out_height,
			 u32 rsc);
int ipu_ic_task_graphics_init(struct ipu_ic *ic,
			      const struct ipu_ic_colorspace *g_in_cs,
			      bool galpha_en, u32 galpha,
			      bool colorkey_en, u32 colorkey);
void ipu_ic_task_enable(struct ipu_ic *ic);
void ipu_ic_task_disable(struct ipu_ic *ic);
int ipu_ic_task_idma_init(struct ipu_ic *ic, struct ipuv3_channel *channel,
			  u32 width, u32 height, int burst_size,
			  enum ipu_rotate_mode rot);
int ipu_ic_enable(struct ipu_ic *ic);
int ipu_ic_disable(struct ipu_ic *ic);
struct ipu_ic *ipu_ic_get(struct ipu_soc *ipu, enum ipu_ic_task task);
void ipu_ic_put(struct ipu_ic *ic);
void ipu_ic_dump(struct ipu_ic *ic);

/*
 * IPU Video De-Interlacer (vdi) functions
 */
struct ipu_vdi;
void ipu_vdi_set_field_order(struct ipu_vdi *vdi, v4l2_std_id std, u32 field);
void ipu_vdi_set_motion(struct ipu_vdi *vdi, enum ipu_motion_sel motion_sel);
void ipu_vdi_setup(struct ipu_vdi *vdi, u32 code, int xres, int yres);
void ipu_vdi_unsetup(struct ipu_vdi *vdi);
int ipu_vdi_enable(struct ipu_vdi *vdi);
int ipu_vdi_disable(struct ipu_vdi *vdi);
struct ipu_vdi *ipu_vdi_get(struct ipu_soc *ipu);
void ipu_vdi_put(struct ipu_vdi *vdi);

/*
 * IPU Sensor Multiple FIFO Controller (SMFC) functions
 */
struct ipu_smfc *ipu_smfc_get(struct ipu_soc *ipu, unsigned int chno);
void ipu_smfc_put(struct ipu_smfc *smfc);
int ipu_smfc_enable(struct ipu_smfc *smfc);
int ipu_smfc_disable(struct ipu_smfc *smfc);
int ipu_smfc_map_channel(struct ipu_smfc *smfc, int csi_id, int mipi_id);
int ipu_smfc_set_burstsize(struct ipu_smfc *smfc, int burstsize);
int ipu_smfc_set_watermark(struct ipu_smfc *smfc, u32 set_level, u32 clr_level);

enum ipu_color_space ipu_drm_fourcc_to_colorspace(u32 drm_fourcc);
enum ipu_color_space ipu_pixelformat_to_colorspace(u32 pixelformat);
enum ipu_color_space ipu_mbus_code_to_colorspace(u32 mbus_code);
int ipu_stride_to_bytes(u32 pixel_stride, u32 pixelformat);
bool ipu_pixelformat_is_planar(u32 pixelformat);
int ipu_degrees_to_rot_mode(enum ipu_rotate_mode *mode, int degrees,
			    bool hflip, bool vflip);
int ipu_rot_mode_to_degrees(int *degrees, enum ipu_rotate_mode mode,
			    bool hflip, bool vflip);

struct ipu_client_platformdata {
	int csi;
	int di;
	int dc;
	int dp;
	int dma[2];
	struct device_node *of_node;
};

#endif /* __DRM_IPU_H__ */