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