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