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  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
 23struct ipu_soc;
 24
 25enum 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 */
 36struct 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 */
 57enum 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
 70enum 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
 85enum 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 */
 94enum ipu_motion_sel {
 95	MOTION_NONE = 0,
 96	LOW_MOTION,
 97	MED_MOTION,
 98	HIGH_MOTION,
 99};
100
101struct ipuv3_channel;
102
103enum 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
164static 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
186int ipu_map_irq(struct ipu_soc *ipu, int irq);
187int 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 */
205int ipu_get_num(struct ipu_soc *ipu);
206void ipu_set_csi_src_mux(struct ipu_soc *ipu, int csi_id, bool mipi_csi2);
207void ipu_set_ic_src_mux(struct ipu_soc *ipu, int csi_id, bool vdi);
208void ipu_dump(struct ipu_soc *ipu);
209
210/*
211 * IPU Image DMA Controller (idmac) functions
212 */
213struct ipuv3_channel *ipu_idmac_get(struct ipu_soc *ipu, unsigned channel);
214void ipu_idmac_put(struct ipuv3_channel *);
215
216int ipu_idmac_enable_channel(struct ipuv3_channel *channel);
217int ipu_idmac_disable_channel(struct ipuv3_channel *channel);
218void ipu_idmac_enable_watermark(struct ipuv3_channel *channel, bool enable);
219int ipu_idmac_lock_enable(struct ipuv3_channel *channel, int num_bursts);
220int ipu_idmac_wait_busy(struct ipuv3_channel *channel, int ms);
221
222void ipu_idmac_set_double_buffer(struct ipuv3_channel *channel,
223		bool doublebuffer);
224int ipu_idmac_get_current_buffer(struct ipuv3_channel *channel);
225bool ipu_idmac_buffer_is_ready(struct ipuv3_channel *channel, u32 buf_num);
226void ipu_idmac_select_buffer(struct ipuv3_channel *channel, u32 buf_num);
227void ipu_idmac_clear_buffer(struct ipuv3_channel *channel, u32 buf_num);
228int ipu_fsu_link(struct ipu_soc *ipu, int src_ch, int sink_ch);
229int ipu_fsu_unlink(struct ipu_soc *ipu, int src_ch, int sink_ch);
230int ipu_idmac_link(struct ipuv3_channel *src, struct ipuv3_channel *sink);
231int ipu_idmac_unlink(struct ipuv3_channel *src, struct ipuv3_channel *sink);
232
233/*
234 * IPU Channel Parameter Memory (cpmem) functions
235 */
236struct 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
244struct 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
254void ipu_cpmem_zero(struct ipuv3_channel *ch);
255void ipu_cpmem_set_resolution(struct ipuv3_channel *ch, int xres, int yres);
256void ipu_cpmem_skip_odd_chroma_rows(struct ipuv3_channel *ch);
257void ipu_cpmem_set_stride(struct ipuv3_channel *ch, int stride);
258void ipu_cpmem_set_high_priority(struct ipuv3_channel *ch);
259void ipu_cpmem_set_buffer(struct ipuv3_channel *ch, int bufnum, dma_addr_t buf);
260void ipu_cpmem_set_uv_offset(struct ipuv3_channel *ch, u32 u_off, u32 v_off);
261void ipu_cpmem_interlaced_scan(struct ipuv3_channel *ch, int stride,
262			       u32 pixelformat);
263void ipu_cpmem_set_axi_id(struct ipuv3_channel *ch, u32 id);
264int ipu_cpmem_get_burstsize(struct ipuv3_channel *ch);
265void ipu_cpmem_set_burstsize(struct ipuv3_channel *ch, int burstsize);
266void ipu_cpmem_set_block_mode(struct ipuv3_channel *ch);
267void ipu_cpmem_set_rotation(struct ipuv3_channel *ch,
268			    enum ipu_rotate_mode rot);
269int ipu_cpmem_set_format_rgb(struct ipuv3_channel *ch,
270			     const struct ipu_rgb *rgb);
271int ipu_cpmem_set_format_passthrough(struct ipuv3_channel *ch, int width);
272void ipu_cpmem_set_yuv_interleaved(struct ipuv3_channel *ch, u32 pixel_format);
273void 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);
277int ipu_cpmem_set_fmt(struct ipuv3_channel *ch, u32 drm_fourcc);
278int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image);
279void ipu_cpmem_dump(struct ipuv3_channel *ch);
280
281/*
282 * IPU Display Controller (dc) functions
283 */
284struct ipu_dc;
285struct ipu_di;
286struct ipu_dc *ipu_dc_get(struct ipu_soc *ipu, int channel);
287void ipu_dc_put(struct ipu_dc *dc);
288int ipu_dc_init_sync(struct ipu_dc *dc, struct ipu_di *di, bool interlaced,
289		u32 pixel_fmt, u32 width);
290void ipu_dc_enable(struct ipu_soc *ipu);
291void ipu_dc_enable_channel(struct ipu_dc *dc);
292void ipu_dc_disable_channel(struct ipu_dc *dc);
293void ipu_dc_disable(struct ipu_soc *ipu);
294
295/*
296 * IPU Display Interface (di) functions
297 */
298struct ipu_di *ipu_di_get(struct ipu_soc *ipu, int disp);
299void ipu_di_put(struct ipu_di *);
300int ipu_di_disable(struct ipu_di *);
301int ipu_di_enable(struct ipu_di *);
302int ipu_di_get_num(struct ipu_di *);
303int ipu_di_adjust_videomode(struct ipu_di *di, struct videomode *mode);
304int 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 */
309struct dmfc_channel;
310int ipu_dmfc_enable_channel(struct dmfc_channel *dmfc);
311void ipu_dmfc_disable_channel(struct dmfc_channel *dmfc);
312void ipu_dmfc_config_wait4eot(struct dmfc_channel *dmfc, int width);
313struct dmfc_channel *ipu_dmfc_get(struct ipu_soc *ipu, int ipuv3_channel);
314void 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
326struct ipu_dp *ipu_dp_get(struct ipu_soc *ipu, unsigned int flow);
327void ipu_dp_put(struct ipu_dp *);
328int ipu_dp_enable(struct ipu_soc *ipu);
329int ipu_dp_enable_channel(struct ipu_dp *dp);
330void ipu_dp_disable_channel(struct ipu_dp *dp, bool sync);
331void ipu_dp_disable(struct ipu_soc *ipu);
332int ipu_dp_setup_channel(struct ipu_dp *dp,
333		enum ipu_color_space in, enum ipu_color_space out);
334int ipu_dp_set_window_pos(struct ipu_dp *, u16 x_pos, u16 y_pos);
335int 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 */
341int ipu_prg_max_active_channels(void);
342bool ipu_prg_present(struct ipu_soc *ipu);
343bool ipu_prg_format_supported(struct ipu_soc *ipu, uint32_t format,
344			      uint64_t modifier);
345int ipu_prg_enable(struct ipu_soc *ipu);
346void ipu_prg_disable(struct ipu_soc *ipu);
347void ipu_prg_channel_disable(struct ipuv3_channel *ipu_chan);
348int 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);
352bool ipu_prg_channel_configure_pending(struct ipuv3_channel *ipu_chan);
353
354/*
355 * IPU CMOS Sensor Interface (csi) functions
356 */
357struct ipu_csi;
358int 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);
362bool ipu_csi_is_interlaced(struct ipu_csi *csi);
363void ipu_csi_get_window(struct ipu_csi *csi, struct v4l2_rect *w);
364void ipu_csi_set_window(struct ipu_csi *csi, struct v4l2_rect *w);
365void ipu_csi_set_downsize(struct ipu_csi *csi, bool horiz, bool vert);
366void 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);
369int ipu_csi_set_mipi_datatype(struct ipu_csi *csi, u32 vc,
370			      struct v4l2_mbus_framefmt *mbus_fmt);
371int ipu_csi_set_skip_smfc(struct ipu_csi *csi, u32 skip,
372			  u32 max_ratio, u32 id);
373int ipu_csi_set_dest(struct ipu_csi *csi, enum ipu_csi_dest csi_dest);
374int ipu_csi_enable(struct ipu_csi *csi);
375int ipu_csi_disable(struct ipu_csi *csi);
376struct ipu_csi *ipu_csi_get(struct ipu_soc *ipu, int id);
377void ipu_csi_put(struct ipu_csi *csi);
378void ipu_csi_dump(struct ipu_csi *csi);
379
380/*
381 * IPU Image Converter (ic) functions
382 */
383enum 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 */
397struct ipu_ic_colorspace {
398	enum v4l2_ycbcr_encoding enc;
399	enum v4l2_quantization quant;
400	enum ipu_color_space cs;
401};
402
403static inline void
404ipu_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
414struct 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
421struct 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
427struct ipu_ic;
428
429int __ipu_ic_calc_csc(struct ipu_ic_csc *csc);
430int 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);
437int 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);
441int 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);
446int 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);
450void ipu_ic_task_enable(struct ipu_ic *ic);
451void ipu_ic_task_disable(struct ipu_ic *ic);
452int 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);
455int ipu_ic_enable(struct ipu_ic *ic);
456int ipu_ic_disable(struct ipu_ic *ic);
457struct ipu_ic *ipu_ic_get(struct ipu_soc *ipu, enum ipu_ic_task task);
458void ipu_ic_put(struct ipu_ic *ic);
459void ipu_ic_dump(struct ipu_ic *ic);
460
461/*
462 * IPU Video De-Interlacer (vdi) functions
463 */
464struct ipu_vdi;
465void ipu_vdi_set_field_order(struct ipu_vdi *vdi, v4l2_std_id std, u32 field);
466void ipu_vdi_set_motion(struct ipu_vdi *vdi, enum ipu_motion_sel motion_sel);
467void ipu_vdi_setup(struct ipu_vdi *vdi, u32 code, int xres, int yres);
468void ipu_vdi_unsetup(struct ipu_vdi *vdi);
469int ipu_vdi_enable(struct ipu_vdi *vdi);
470int ipu_vdi_disable(struct ipu_vdi *vdi);
471struct ipu_vdi *ipu_vdi_get(struct ipu_soc *ipu);
472void ipu_vdi_put(struct ipu_vdi *vdi);
473
474/*
475 * IPU Sensor Multiple FIFO Controller (SMFC) functions
476 */
477struct ipu_smfc *ipu_smfc_get(struct ipu_soc *ipu, unsigned int chno);
478void ipu_smfc_put(struct ipu_smfc *smfc);
479int ipu_smfc_enable(struct ipu_smfc *smfc);
480int ipu_smfc_disable(struct ipu_smfc *smfc);
481int ipu_smfc_map_channel(struct ipu_smfc *smfc, int csi_id, int mipi_id);
482int ipu_smfc_set_burstsize(struct ipu_smfc *smfc, int burstsize);
483int ipu_smfc_set_watermark(struct ipu_smfc *smfc, u32 set_level, u32 clr_level);
484
485enum ipu_color_space ipu_drm_fourcc_to_colorspace(u32 drm_fourcc);
486enum ipu_color_space ipu_pixelformat_to_colorspace(u32 pixelformat);
487enum ipu_color_space ipu_mbus_code_to_colorspace(u32 mbus_code);
488int ipu_stride_to_bytes(u32 pixel_stride, u32 pixelformat);
489bool ipu_pixelformat_is_planar(u32 pixelformat);
490int ipu_degrees_to_rot_mode(enum ipu_rotate_mode *mode, int degrees,
491			    bool hflip, bool vflip);
492int ipu_rot_mode_to_degrees(int *degrees, enum ipu_rotate_mode mode,
493			    bool hflip, bool vflip);
494
495struct 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__ */