1 /*
2  * Copyright 2005-2009 Freescale Semiconductor, Inc.
3  *
4  * The code contained herein is licensed under the GNU Lesser General
5  * Public License.  You may obtain a copy of the GNU Lesser General
6  * Public License Version 2.1 or later at the following locations:
7  *
8  * http://www.opensource.org/licenses/lgpl-license.html
9  * http://www.gnu.org/copyleft/lgpl.html
10  */
11 
12 #ifndef __DRM_IPU_H__
13 #define __DRM_IPU_H__
14 
15 #include <linux/types.h>
16 #include <linux/videodev2.h>
17 #include <linux/bitmap.h>
18 #include <linux/fb.h>
19 #include <linux/of.h>
20 #include <media/v4l2-mediabus.h>
21 #include <video/videomode.h>
22 
23 struct ipu_soc;
24 
25 enum ipuv3_type {
26 	IPUV3EX,
27 	IPUV3M,
28 	IPUV3H,
29 };
30 
31 #define IPU_PIX_FMT_GBR24	v4l2_fourcc('G', 'B', 'R', '3')
32 
33 /*
34  * Bitfield of Display Interface signal polarities.
35  */
36 struct ipu_di_signal_cfg {
37 	unsigned data_pol:1;	/* true = inverted */
38 	unsigned clk_pol:1;	/* true = rising edge */
39 	unsigned enable_pol:1;
40 
41 	struct videomode mode;
42 
43 	u32 bus_format;
44 	u32 v_to_h_sync;
45 
46 #define IPU_DI_CLKMODE_SYNC	(1 << 0)
47 #define IPU_DI_CLKMODE_EXT	(1 << 1)
48 	unsigned long clkflags;
49 
50 	u8 hsync_pin;
51 	u8 vsync_pin;
52 };
53 
54 /*
55  * Enumeration of CSI destinations
56  */
57 enum ipu_csi_dest {
58 	IPU_CSI_DEST_IDMAC, /* to memory via SMFC */
59 	IPU_CSI_DEST_IC,	/* to Image Converter */
60 	IPU_CSI_DEST_VDIC,  /* to VDIC */
61 };
62 
63 /*
64  * Enumeration of IPU rotation modes
65  */
66 #define IPU_ROT_BIT_VFLIP (1 << 0)
67 #define IPU_ROT_BIT_HFLIP (1 << 1)
68 #define IPU_ROT_BIT_90    (1 << 2)
69 
70 enum ipu_rotate_mode {
71 	IPU_ROTATE_NONE = 0,
72 	IPU_ROTATE_VERT_FLIP = IPU_ROT_BIT_VFLIP,
73 	IPU_ROTATE_HORIZ_FLIP = IPU_ROT_BIT_HFLIP,
74 	IPU_ROTATE_180 = (IPU_ROT_BIT_VFLIP | IPU_ROT_BIT_HFLIP),
75 	IPU_ROTATE_90_RIGHT = IPU_ROT_BIT_90,
76 	IPU_ROTATE_90_RIGHT_VFLIP = (IPU_ROT_BIT_90 | IPU_ROT_BIT_VFLIP),
77 	IPU_ROTATE_90_RIGHT_HFLIP = (IPU_ROT_BIT_90 | IPU_ROT_BIT_HFLIP),
78 	IPU_ROTATE_90_LEFT = (IPU_ROT_BIT_90 |
79 			      IPU_ROT_BIT_VFLIP | IPU_ROT_BIT_HFLIP),
80 };
81 
82 /* 90-degree rotations require the IRT unit */
83 #define ipu_rot_mode_is_irt(m) (((m) & IPU_ROT_BIT_90) != 0)
84 
85 enum ipu_color_space {
86 	IPUV3_COLORSPACE_RGB,
87 	IPUV3_COLORSPACE_YUV,
88 	IPUV3_COLORSPACE_UNKNOWN,
89 };
90 
91 /*
92  * Enumeration of VDI MOTION select
93  */
94 enum ipu_motion_sel {
95 	MOTION_NONE = 0,
96 	LOW_MOTION,
97 	MED_MOTION,
98 	HIGH_MOTION,
99 };
100 
101 struct ipuv3_channel;
102 
103 enum ipu_channel_irq {
104 	IPU_IRQ_EOF = 0,
105 	IPU_IRQ_NFACK = 64,
106 	IPU_IRQ_NFB4EOF = 128,
107 	IPU_IRQ_EOS = 192,
108 };
109 
110 /*
111  * Enumeration of IDMAC channels
112  */
113 #define IPUV3_CHANNEL_CSI0			 0
114 #define IPUV3_CHANNEL_CSI1			 1
115 #define IPUV3_CHANNEL_CSI2			 2
116 #define IPUV3_CHANNEL_CSI3			 3
117 #define IPUV3_CHANNEL_VDI_MEM_IC_VF		 5
118 /*
119  * NOTE: channels 6,7 are unused in the IPU and are not IDMAC channels,
120  * but the direct CSI->VDI linking is handled the same way as IDMAC
121  * channel linking in the FSU via the IPU_FS_PROC_FLOW registers, so
122  * these channel names are used to support the direct CSI->VDI link.
123  */
124 #define IPUV3_CHANNEL_CSI_DIRECT		 6
125 #define IPUV3_CHANNEL_CSI_VDI_PREV		 7
126 #define IPUV3_CHANNEL_MEM_VDI_PREV		 8
127 #define IPUV3_CHANNEL_MEM_VDI_CUR		 9
128 #define IPUV3_CHANNEL_MEM_VDI_NEXT		10
129 #define IPUV3_CHANNEL_MEM_IC_PP			11
130 #define IPUV3_CHANNEL_MEM_IC_PRP_VF		12
131 #define IPUV3_CHANNEL_VDI_MEM_RECENT		13
132 #define IPUV3_CHANNEL_G_MEM_IC_PRP_VF		14
133 #define IPUV3_CHANNEL_G_MEM_IC_PP		15
134 #define IPUV3_CHANNEL_G_MEM_IC_PRP_VF_ALPHA	17
135 #define IPUV3_CHANNEL_G_MEM_IC_PP_ALPHA		18
136 #define IPUV3_CHANNEL_MEM_VDI_PLANE1_COMB_ALPHA	19
137 #define IPUV3_CHANNEL_IC_PRP_ENC_MEM		20
138 #define IPUV3_CHANNEL_IC_PRP_VF_MEM		21
139 #define IPUV3_CHANNEL_IC_PP_MEM			22
140 #define IPUV3_CHANNEL_MEM_BG_SYNC		23
141 #define IPUV3_CHANNEL_MEM_BG_ASYNC		24
142 #define IPUV3_CHANNEL_MEM_VDI_PLANE1_COMB	25
143 #define IPUV3_CHANNEL_MEM_VDI_PLANE3_COMB	26
144 #define IPUV3_CHANNEL_MEM_FG_SYNC		27
145 #define IPUV3_CHANNEL_MEM_DC_SYNC		28
146 #define IPUV3_CHANNEL_MEM_FG_ASYNC		29
147 #define IPUV3_CHANNEL_MEM_FG_SYNC_ALPHA		31
148 #define IPUV3_CHANNEL_MEM_FG_ASYNC_ALPHA	33
149 #define IPUV3_CHANNEL_DC_MEM_READ		40
150 #define IPUV3_CHANNEL_MEM_DC_ASYNC		41
151 #define IPUV3_CHANNEL_MEM_DC_COMMAND		42
152 #define IPUV3_CHANNEL_MEM_DC_COMMAND2		43
153 #define IPUV3_CHANNEL_MEM_DC_OUTPUT_MASK	44
154 #define IPUV3_CHANNEL_MEM_ROT_ENC		45
155 #define IPUV3_CHANNEL_MEM_ROT_VF		46
156 #define IPUV3_CHANNEL_MEM_ROT_PP		47
157 #define IPUV3_CHANNEL_ROT_ENC_MEM		48
158 #define IPUV3_CHANNEL_ROT_VF_MEM		49
159 #define IPUV3_CHANNEL_ROT_PP_MEM		50
160 #define IPUV3_CHANNEL_MEM_BG_SYNC_ALPHA		51
161 #define IPUV3_CHANNEL_MEM_BG_ASYNC_ALPHA	52
162 #define IPUV3_NUM_CHANNELS			64
163 
ipu_channel_alpha_channel(int ch_num)164 static inline int ipu_channel_alpha_channel(int ch_num)
165 {
166 	switch (ch_num) {
167 	case IPUV3_CHANNEL_G_MEM_IC_PRP_VF:
168 		return IPUV3_CHANNEL_G_MEM_IC_PRP_VF_ALPHA;
169 	case IPUV3_CHANNEL_G_MEM_IC_PP:
170 		return IPUV3_CHANNEL_G_MEM_IC_PP_ALPHA;
171 	case IPUV3_CHANNEL_MEM_FG_SYNC:
172 		return IPUV3_CHANNEL_MEM_FG_SYNC_ALPHA;
173 	case IPUV3_CHANNEL_MEM_FG_ASYNC:
174 		return IPUV3_CHANNEL_MEM_FG_ASYNC_ALPHA;
175 	case IPUV3_CHANNEL_MEM_BG_SYNC:
176 		return IPUV3_CHANNEL_MEM_BG_SYNC_ALPHA;
177 	case IPUV3_CHANNEL_MEM_BG_ASYNC:
178 		return IPUV3_CHANNEL_MEM_BG_ASYNC_ALPHA;
179 	case IPUV3_CHANNEL_MEM_VDI_PLANE1_COMB:
180 		return IPUV3_CHANNEL_MEM_VDI_PLANE1_COMB_ALPHA;
181 	default:
182 		return -EINVAL;
183 	}
184 }
185 
186 int ipu_map_irq(struct ipu_soc *ipu, int irq);
187 int ipu_idmac_channel_irq(struct ipu_soc *ipu, struct ipuv3_channel *channel,
188 		enum ipu_channel_irq irq);
189 
190 #define IPU_IRQ_DP_SF_START		(448 + 2)
191 #define IPU_IRQ_DP_SF_END		(448 + 3)
192 #define IPU_IRQ_BG_SF_END		IPU_IRQ_DP_SF_END,
193 #define IPU_IRQ_DC_FC_0			(448 + 8)
194 #define IPU_IRQ_DC_FC_1			(448 + 9)
195 #define IPU_IRQ_DC_FC_2			(448 + 10)
196 #define IPU_IRQ_DC_FC_3			(448 + 11)
197 #define IPU_IRQ_DC_FC_4			(448 + 12)
198 #define IPU_IRQ_DC_FC_6			(448 + 13)
199 #define IPU_IRQ_VSYNC_PRE_0		(448 + 14)
200 #define IPU_IRQ_VSYNC_PRE_1		(448 + 15)
201 
202 /*
203  * IPU Common functions
204  */
205 int ipu_get_num(struct ipu_soc *ipu);
206 void ipu_set_csi_src_mux(struct ipu_soc *ipu, int csi_id, bool mipi_csi2);
207 void ipu_set_ic_src_mux(struct ipu_soc *ipu, int csi_id, bool vdi);
208 void ipu_dump(struct ipu_soc *ipu);
209 
210 /*
211  * IPU Image DMA Controller (idmac) functions
212  */
213 struct ipuv3_channel *ipu_idmac_get(struct ipu_soc *ipu, unsigned channel);
214 void ipu_idmac_put(struct ipuv3_channel *);
215 
216 int ipu_idmac_enable_channel(struct ipuv3_channel *channel);
217 int ipu_idmac_disable_channel(struct ipuv3_channel *channel);
218 void ipu_idmac_enable_watermark(struct ipuv3_channel *channel, bool enable);
219 int ipu_idmac_lock_enable(struct ipuv3_channel *channel, int num_bursts);
220 int ipu_idmac_wait_busy(struct ipuv3_channel *channel, int ms);
221 
222 void ipu_idmac_set_double_buffer(struct ipuv3_channel *channel,
223 		bool doublebuffer);
224 int ipu_idmac_get_current_buffer(struct ipuv3_channel *channel);
225 bool ipu_idmac_buffer_is_ready(struct ipuv3_channel *channel, u32 buf_num);
226 void ipu_idmac_select_buffer(struct ipuv3_channel *channel, u32 buf_num);
227 void ipu_idmac_clear_buffer(struct ipuv3_channel *channel, u32 buf_num);
228 int ipu_fsu_link(struct ipu_soc *ipu, int src_ch, int sink_ch);
229 int ipu_fsu_unlink(struct ipu_soc *ipu, int src_ch, int sink_ch);
230 int ipu_idmac_link(struct ipuv3_channel *src, struct ipuv3_channel *sink);
231 int ipu_idmac_unlink(struct ipuv3_channel *src, struct ipuv3_channel *sink);
232 
233 /*
234  * IPU Channel Parameter Memory (cpmem) functions
235  */
236 struct ipu_rgb {
237 	struct fb_bitfield      red;
238 	struct fb_bitfield      green;
239 	struct fb_bitfield      blue;
240 	struct fb_bitfield      transp;
241 	int                     bits_per_pixel;
242 };
243 
244 struct ipu_image {
245 	struct v4l2_pix_format pix;
246 	struct v4l2_rect rect;
247 	dma_addr_t phys0;
248 	dma_addr_t phys1;
249 	/* chroma plane offset overrides */
250 	u32 u_offset;
251 	u32 v_offset;
252 };
253 
254 void ipu_cpmem_zero(struct ipuv3_channel *ch);
255 void ipu_cpmem_set_resolution(struct ipuv3_channel *ch, int xres, int yres);
256 void ipu_cpmem_skip_odd_chroma_rows(struct ipuv3_channel *ch);
257 void ipu_cpmem_set_stride(struct ipuv3_channel *ch, int stride);
258 void ipu_cpmem_set_high_priority(struct ipuv3_channel *ch);
259 void ipu_cpmem_set_buffer(struct ipuv3_channel *ch, int bufnum, dma_addr_t buf);
260 void ipu_cpmem_set_uv_offset(struct ipuv3_channel *ch, u32 u_off, u32 v_off);
261 void ipu_cpmem_interlaced_scan(struct ipuv3_channel *ch, int stride,
262 			       u32 pixelformat);
263 void ipu_cpmem_set_axi_id(struct ipuv3_channel *ch, u32 id);
264 int ipu_cpmem_get_burstsize(struct ipuv3_channel *ch);
265 void ipu_cpmem_set_burstsize(struct ipuv3_channel *ch, int burstsize);
266 void ipu_cpmem_set_block_mode(struct ipuv3_channel *ch);
267 void ipu_cpmem_set_rotation(struct ipuv3_channel *ch,
268 			    enum ipu_rotate_mode rot);
269 int ipu_cpmem_set_format_rgb(struct ipuv3_channel *ch,
270 			     const struct ipu_rgb *rgb);
271 int ipu_cpmem_set_format_passthrough(struct ipuv3_channel *ch, int width);
272 void ipu_cpmem_set_yuv_interleaved(struct ipuv3_channel *ch, u32 pixel_format);
273 void ipu_cpmem_set_yuv_planar_full(struct ipuv3_channel *ch,
274 				   unsigned int uv_stride,
275 				   unsigned int u_offset,
276 				   unsigned int v_offset);
277 int ipu_cpmem_set_fmt(struct ipuv3_channel *ch, u32 drm_fourcc);
278 int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image);
279 void ipu_cpmem_dump(struct ipuv3_channel *ch);
280 
281 /*
282  * IPU Display Controller (dc) functions
283  */
284 struct ipu_dc;
285 struct ipu_di;
286 struct ipu_dc *ipu_dc_get(struct ipu_soc *ipu, int channel);
287 void ipu_dc_put(struct ipu_dc *dc);
288 int ipu_dc_init_sync(struct ipu_dc *dc, struct ipu_di *di, bool interlaced,
289 		u32 pixel_fmt, u32 width);
290 void ipu_dc_enable(struct ipu_soc *ipu);
291 void ipu_dc_enable_channel(struct ipu_dc *dc);
292 void ipu_dc_disable_channel(struct ipu_dc *dc);
293 void ipu_dc_disable(struct ipu_soc *ipu);
294 
295 /*
296  * IPU Display Interface (di) functions
297  */
298 struct ipu_di *ipu_di_get(struct ipu_soc *ipu, int disp);
299 void ipu_di_put(struct ipu_di *);
300 int ipu_di_disable(struct ipu_di *);
301 int ipu_di_enable(struct ipu_di *);
302 int ipu_di_get_num(struct ipu_di *);
303 int ipu_di_adjust_videomode(struct ipu_di *di, struct videomode *mode);
304 int ipu_di_init_sync_panel(struct ipu_di *, struct ipu_di_signal_cfg *sig);
305 
306 /*
307  * IPU Display Multi FIFO Controller (dmfc) functions
308  */
309 struct dmfc_channel;
310 int ipu_dmfc_enable_channel(struct dmfc_channel *dmfc);
311 void ipu_dmfc_disable_channel(struct dmfc_channel *dmfc);
312 void ipu_dmfc_config_wait4eot(struct dmfc_channel *dmfc, int width);
313 struct dmfc_channel *ipu_dmfc_get(struct ipu_soc *ipu, int ipuv3_channel);
314 void ipu_dmfc_put(struct dmfc_channel *dmfc);
315 
316 /*
317  * IPU Display Processor (dp) functions
318  */
319 #define IPU_DP_FLOW_SYNC_BG	0
320 #define IPU_DP_FLOW_SYNC_FG	1
321 #define IPU_DP_FLOW_ASYNC0_BG	2
322 #define IPU_DP_FLOW_ASYNC0_FG	3
323 #define IPU_DP_FLOW_ASYNC1_BG	4
324 #define IPU_DP_FLOW_ASYNC1_FG	5
325 
326 struct ipu_dp *ipu_dp_get(struct ipu_soc *ipu, unsigned int flow);
327 void ipu_dp_put(struct ipu_dp *);
328 int ipu_dp_enable(struct ipu_soc *ipu);
329 int ipu_dp_enable_channel(struct ipu_dp *dp);
330 void ipu_dp_disable_channel(struct ipu_dp *dp, bool sync);
331 void ipu_dp_disable(struct ipu_soc *ipu);
332 int ipu_dp_setup_channel(struct ipu_dp *dp,
333 		enum ipu_color_space in, enum ipu_color_space out);
334 int ipu_dp_set_window_pos(struct ipu_dp *, u16 x_pos, u16 y_pos);
335 int ipu_dp_set_global_alpha(struct ipu_dp *dp, bool enable, u8 alpha,
336 		bool bg_chan);
337 
338 /*
339  * IPU Prefetch Resolve Gasket (prg) functions
340  */
341 int ipu_prg_max_active_channels(void);
342 bool ipu_prg_present(struct ipu_soc *ipu);
343 bool ipu_prg_format_supported(struct ipu_soc *ipu, uint32_t format,
344 			      uint64_t modifier);
345 int ipu_prg_enable(struct ipu_soc *ipu);
346 void ipu_prg_disable(struct ipu_soc *ipu);
347 void ipu_prg_channel_disable(struct ipuv3_channel *ipu_chan);
348 int ipu_prg_channel_configure(struct ipuv3_channel *ipu_chan,
349 			      unsigned int axi_id,  unsigned int width,
350 			      unsigned int height, unsigned int stride,
351 			      u32 format, uint64_t modifier, unsigned long *eba);
352 bool ipu_prg_channel_configure_pending(struct ipuv3_channel *ipu_chan);
353 
354 /*
355  * IPU CMOS Sensor Interface (csi) functions
356  */
357 struct ipu_csi;
358 int ipu_csi_init_interface(struct ipu_csi *csi,
359 			   const struct v4l2_mbus_config *mbus_cfg,
360 			   const struct v4l2_mbus_framefmt *infmt,
361 			   const struct v4l2_mbus_framefmt *outfmt);
362 bool ipu_csi_is_interlaced(struct ipu_csi *csi);
363 void ipu_csi_get_window(struct ipu_csi *csi, struct v4l2_rect *w);
364 void ipu_csi_set_window(struct ipu_csi *csi, struct v4l2_rect *w);
365 void ipu_csi_set_downsize(struct ipu_csi *csi, bool horiz, bool vert);
366 void ipu_csi_set_test_generator(struct ipu_csi *csi, bool active,
367 				u32 r_value, u32 g_value, u32 b_value,
368 				u32 pix_clk);
369 int ipu_csi_set_mipi_datatype(struct ipu_csi *csi, u32 vc,
370 			      struct v4l2_mbus_framefmt *mbus_fmt);
371 int ipu_csi_set_skip_smfc(struct ipu_csi *csi, u32 skip,
372 			  u32 max_ratio, u32 id);
373 int ipu_csi_set_dest(struct ipu_csi *csi, enum ipu_csi_dest csi_dest);
374 int ipu_csi_enable(struct ipu_csi *csi);
375 int ipu_csi_disable(struct ipu_csi *csi);
376 struct ipu_csi *ipu_csi_get(struct ipu_soc *ipu, int id);
377 void ipu_csi_put(struct ipu_csi *csi);
378 void ipu_csi_dump(struct ipu_csi *csi);
379 
380 /*
381  * IPU Image Converter (ic) functions
382  */
383 enum ipu_ic_task {
384 	IC_TASK_ENCODER,
385 	IC_TASK_VIEWFINDER,
386 	IC_TASK_POST_PROCESSOR,
387 	IC_NUM_TASKS,
388 };
389 
390 /*
391  * The parameters that describe a colorspace according to the
392  * Image Converter:
393  *    - Y'CbCr encoding
394  *    - quantization
395  *    - "colorspace" (RGB or YUV).
396  */
397 struct ipu_ic_colorspace {
398 	enum v4l2_ycbcr_encoding enc;
399 	enum v4l2_quantization quant;
400 	enum ipu_color_space cs;
401 };
402 
403 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)404 ipu_ic_fill_colorspace(struct ipu_ic_colorspace *ic_cs,
405 		       enum v4l2_ycbcr_encoding enc,
406 		       enum v4l2_quantization quant,
407 		       enum ipu_color_space cs)
408 {
409 	ic_cs->enc = enc;
410 	ic_cs->quant = quant;
411 	ic_cs->cs = cs;
412 }
413 
414 struct ipu_ic_csc_params {
415 	s16 coeff[3][3];	/* signed 9-bit integer coefficients */
416 	s16 offset[3];		/* signed 11+2-bit fixed point offset */
417 	u8 scale:2;		/* scale coefficients * 2^(scale-1) */
418 	bool sat:1;		/* saturate to (16, 235(Y) / 240(U, V)) */
419 };
420 
421 struct ipu_ic_csc {
422 	struct ipu_ic_colorspace in_cs;
423 	struct ipu_ic_colorspace out_cs;
424 	struct ipu_ic_csc_params params;
425 };
426 
427 struct ipu_ic;
428 
429 int __ipu_ic_calc_csc(struct ipu_ic_csc *csc);
430 int ipu_ic_calc_csc(struct ipu_ic_csc *csc,
431 		    enum v4l2_ycbcr_encoding in_enc,
432 		    enum v4l2_quantization in_quant,
433 		    enum ipu_color_space in_cs,
434 		    enum v4l2_ycbcr_encoding out_enc,
435 		    enum v4l2_quantization out_quant,
436 		    enum ipu_color_space out_cs);
437 int ipu_ic_task_init(struct ipu_ic *ic,
438 		     const struct ipu_ic_csc *csc,
439 		     int in_width, int in_height,
440 		     int out_width, int out_height);
441 int ipu_ic_task_init_rsc(struct ipu_ic *ic,
442 			 const struct ipu_ic_csc *csc,
443 			 int in_width, int in_height,
444 			 int out_width, int out_height,
445 			 u32 rsc);
446 int ipu_ic_task_graphics_init(struct ipu_ic *ic,
447 			      const struct ipu_ic_colorspace *g_in_cs,
448 			      bool galpha_en, u32 galpha,
449 			      bool colorkey_en, u32 colorkey);
450 void ipu_ic_task_enable(struct ipu_ic *ic);
451 void ipu_ic_task_disable(struct ipu_ic *ic);
452 int ipu_ic_task_idma_init(struct ipu_ic *ic, struct ipuv3_channel *channel,
453 			  u32 width, u32 height, int burst_size,
454 			  enum ipu_rotate_mode rot);
455 int ipu_ic_enable(struct ipu_ic *ic);
456 int ipu_ic_disable(struct ipu_ic *ic);
457 struct ipu_ic *ipu_ic_get(struct ipu_soc *ipu, enum ipu_ic_task task);
458 void ipu_ic_put(struct ipu_ic *ic);
459 void ipu_ic_dump(struct ipu_ic *ic);
460 
461 /*
462  * IPU Video De-Interlacer (vdi) functions
463  */
464 struct ipu_vdi;
465 void ipu_vdi_set_field_order(struct ipu_vdi *vdi, v4l2_std_id std, u32 field);
466 void ipu_vdi_set_motion(struct ipu_vdi *vdi, enum ipu_motion_sel motion_sel);
467 void ipu_vdi_setup(struct ipu_vdi *vdi, u32 code, int xres, int yres);
468 void ipu_vdi_unsetup(struct ipu_vdi *vdi);
469 int ipu_vdi_enable(struct ipu_vdi *vdi);
470 int ipu_vdi_disable(struct ipu_vdi *vdi);
471 struct ipu_vdi *ipu_vdi_get(struct ipu_soc *ipu);
472 void ipu_vdi_put(struct ipu_vdi *vdi);
473 
474 /*
475  * IPU Sensor Multiple FIFO Controller (SMFC) functions
476  */
477 struct ipu_smfc *ipu_smfc_get(struct ipu_soc *ipu, unsigned int chno);
478 void ipu_smfc_put(struct ipu_smfc *smfc);
479 int ipu_smfc_enable(struct ipu_smfc *smfc);
480 int ipu_smfc_disable(struct ipu_smfc *smfc);
481 int ipu_smfc_map_channel(struct ipu_smfc *smfc, int csi_id, int mipi_id);
482 int ipu_smfc_set_burstsize(struct ipu_smfc *smfc, int burstsize);
483 int ipu_smfc_set_watermark(struct ipu_smfc *smfc, u32 set_level, u32 clr_level);
484 
485 enum ipu_color_space ipu_drm_fourcc_to_colorspace(u32 drm_fourcc);
486 enum ipu_color_space ipu_pixelformat_to_colorspace(u32 pixelformat);
487 enum ipu_color_space ipu_mbus_code_to_colorspace(u32 mbus_code);
488 int ipu_stride_to_bytes(u32 pixel_stride, u32 pixelformat);
489 bool ipu_pixelformat_is_planar(u32 pixelformat);
490 int ipu_degrees_to_rot_mode(enum ipu_rotate_mode *mode, int degrees,
491 			    bool hflip, bool vflip);
492 int ipu_rot_mode_to_degrees(int *degrees, enum ipu_rotate_mode mode,
493 			    bool hflip, bool vflip);
494 
495 struct ipu_client_platformdata {
496 	int csi;
497 	int di;
498 	int dc;
499 	int dp;
500 	int dma[2];
501 	struct device_node *of_node;
502 };
503 
504 #endif /* __DRM_IPU_H__ */
505