gpu: ipu-v3: Add ipu_stride_to_bytes()
[deliverable/linux.git] / include / video / imx-ipu-v3.h
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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>
2ffd48f2 19#include <media/v4l2-mediabus.h>
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20
21struct ipu_soc;
22
23enum ipuv3_type {
24 IPUV3EX,
25 IPUV3M,
26 IPUV3H,
27};
28
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29#define IPU_PIX_FMT_GBR24 v4l2_fourcc('G', 'B', 'R', '3')
30
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31/*
32 * Bitfield of Display Interface signal polarities.
33 */
34struct ipu_di_signal_cfg {
35 unsigned datamask_en:1;
36 unsigned interlaced:1;
37 unsigned odd_field_first:1;
38 unsigned clksel_en:1;
39 unsigned clkidle_en:1;
40 unsigned data_pol:1; /* true = inverted */
41 unsigned clk_pol:1; /* true = rising edge */
42 unsigned enable_pol:1;
43 unsigned Hsync_pol:1; /* true = active high */
44 unsigned Vsync_pol:1;
45
46 u16 width;
47 u16 height;
48 u32 pixel_fmt;
49 u16 h_start_width;
50 u16 h_sync_width;
51 u16 h_end_width;
52 u16 v_start_width;
53 u16 v_sync_width;
54 u16 v_end_width;
55 u32 v_to_h_sync;
56 unsigned long pixelclock;
57#define IPU_DI_CLKMODE_SYNC (1 << 0)
58#define IPU_DI_CLKMODE_EXT (1 << 1)
59 unsigned long clkflags;
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60
61 u8 hsync_pin;
62 u8 vsync_pin;
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63};
64
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65/*
66 * Enumeration of CSI destinations
67 */
68enum ipu_csi_dest {
69 IPU_CSI_DEST_IDMAC, /* to memory via SMFC */
70 IPU_CSI_DEST_IC, /* to Image Converter */
71 IPU_CSI_DEST_VDIC, /* to VDIC */
72};
73
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74/*
75 * Enumeration of IPU rotation modes
76 */
77enum ipu_rotate_mode {
78 IPU_ROTATE_NONE = 0,
79 IPU_ROTATE_VERT_FLIP,
80 IPU_ROTATE_HORIZ_FLIP,
81 IPU_ROTATE_180,
82 IPU_ROTATE_90_RIGHT,
83 IPU_ROTATE_90_RIGHT_VFLIP,
84 IPU_ROTATE_90_RIGHT_HFLIP,
85 IPU_ROTATE_90_LEFT,
86};
87
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88enum ipu_color_space {
89 IPUV3_COLORSPACE_RGB,
90 IPUV3_COLORSPACE_YUV,
91 IPUV3_COLORSPACE_UNKNOWN,
92};
93
94struct ipuv3_channel;
95
96enum ipu_channel_irq {
97 IPU_IRQ_EOF = 0,
98 IPU_IRQ_NFACK = 64,
99 IPU_IRQ_NFB4EOF = 128,
100 IPU_IRQ_EOS = 192,
101};
102
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103/*
104 * Enumeration of IDMAC channels
105 */
106#define IPUV3_CHANNEL_CSI0 0
107#define IPUV3_CHANNEL_CSI1 1
108#define IPUV3_CHANNEL_CSI2 2
109#define IPUV3_CHANNEL_CSI3 3
110#define IPUV3_CHANNEL_VDI_MEM_IC_VF 5
111#define IPUV3_CHANNEL_MEM_IC_PP 11
112#define IPUV3_CHANNEL_MEM_IC_PRP_VF 12
113#define IPUV3_CHANNEL_G_MEM_IC_PRP_VF 14
114#define IPUV3_CHANNEL_G_MEM_IC_PP 15
115#define IPUV3_CHANNEL_IC_PRP_ENC_MEM 20
116#define IPUV3_CHANNEL_IC_PRP_VF_MEM 21
117#define IPUV3_CHANNEL_IC_PP_MEM 22
118#define IPUV3_CHANNEL_MEM_BG_SYNC 23
119#define IPUV3_CHANNEL_MEM_BG_ASYNC 24
120#define IPUV3_CHANNEL_MEM_FG_SYNC 27
121#define IPUV3_CHANNEL_MEM_DC_SYNC 28
122#define IPUV3_CHANNEL_MEM_FG_ASYNC 29
123#define IPUV3_CHANNEL_MEM_FG_SYNC_ALPHA 31
124#define IPUV3_CHANNEL_MEM_DC_ASYNC 41
125#define IPUV3_CHANNEL_MEM_ROT_ENC 45
126#define IPUV3_CHANNEL_MEM_ROT_VF 46
127#define IPUV3_CHANNEL_MEM_ROT_PP 47
128#define IPUV3_CHANNEL_ROT_ENC_MEM 48
129#define IPUV3_CHANNEL_ROT_VF_MEM 49
130#define IPUV3_CHANNEL_ROT_PP_MEM 50
131#define IPUV3_CHANNEL_MEM_BG_SYNC_ALPHA 51
132
861a50c1 133int ipu_map_irq(struct ipu_soc *ipu, int irq);
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134int ipu_idmac_channel_irq(struct ipu_soc *ipu, struct ipuv3_channel *channel,
135 enum ipu_channel_irq irq);
136
137#define IPU_IRQ_DP_SF_START (448 + 2)
138#define IPU_IRQ_DP_SF_END (448 + 3)
139#define IPU_IRQ_BG_SF_END IPU_IRQ_DP_SF_END,
140#define IPU_IRQ_DC_FC_0 (448 + 8)
141#define IPU_IRQ_DC_FC_1 (448 + 9)
142#define IPU_IRQ_DC_FC_2 (448 + 10)
143#define IPU_IRQ_DC_FC_3 (448 + 11)
144#define IPU_IRQ_DC_FC_4 (448 + 12)
145#define IPU_IRQ_DC_FC_6 (448 + 13)
146#define IPU_IRQ_VSYNC_PRE_0 (448 + 14)
147#define IPU_IRQ_VSYNC_PRE_1 (448 + 15)
148
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149/*
150 * IPU Common functions
151 */
152void ipu_set_csi_src_mux(struct ipu_soc *ipu, int csi_id, bool mipi_csi2);
153void ipu_set_ic_src_mux(struct ipu_soc *ipu, int csi_id, bool vdi);
154
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155/*
156 * IPU Image DMA Controller (idmac) functions
157 */
158struct ipuv3_channel *ipu_idmac_get(struct ipu_soc *ipu, unsigned channel);
159void ipu_idmac_put(struct ipuv3_channel *);
160
161int ipu_idmac_enable_channel(struct ipuv3_channel *channel);
162int ipu_idmac_disable_channel(struct ipuv3_channel *channel);
fb822a39 163int ipu_idmac_wait_busy(struct ipuv3_channel *channel, int ms);
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164
165void ipu_idmac_set_double_buffer(struct ipuv3_channel *channel,
166 bool doublebuffer);
e9046097 167int ipu_idmac_get_current_buffer(struct ipuv3_channel *channel);
aa52f578 168bool ipu_idmac_buffer_is_ready(struct ipuv3_channel *channel, u32 buf_num);
aecfbdb1 169void ipu_idmac_select_buffer(struct ipuv3_channel *channel, u32 buf_num);
bce6f087 170void ipu_idmac_clear_buffer(struct ipuv3_channel *channel, u32 buf_num);
aecfbdb1 171
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172/*
173 * IPU Channel Parameter Memory (cpmem) functions
174 */
175struct ipu_rgb {
176 struct fb_bitfield red;
177 struct fb_bitfield green;
178 struct fb_bitfield blue;
179 struct fb_bitfield transp;
180 int bits_per_pixel;
181};
182
183struct ipu_image {
184 struct v4l2_pix_format pix;
185 struct v4l2_rect rect;
186 dma_addr_t phys;
187};
188
189void ipu_cpmem_zero(struct ipuv3_channel *ch);
190void ipu_cpmem_set_resolution(struct ipuv3_channel *ch, int xres, int yres);
191void ipu_cpmem_set_stride(struct ipuv3_channel *ch, int stride);
192void ipu_cpmem_set_high_priority(struct ipuv3_channel *ch);
193void ipu_cpmem_set_buffer(struct ipuv3_channel *ch, int bufnum, dma_addr_t buf);
194void ipu_cpmem_interlaced_scan(struct ipuv3_channel *ch, int stride);
195void ipu_cpmem_set_burstsize(struct ipuv3_channel *ch, int burstsize);
196int ipu_cpmem_set_format_rgb(struct ipuv3_channel *ch,
197 const struct ipu_rgb *rgb);
198int ipu_cpmem_set_format_passthrough(struct ipuv3_channel *ch, int width);
199void ipu_cpmem_set_yuv_interleaved(struct ipuv3_channel *ch, u32 pixel_format);
200void ipu_cpmem_set_yuv_planar_full(struct ipuv3_channel *ch,
201 u32 pixel_format, int stride,
202 int u_offset, int v_offset);
203void ipu_cpmem_set_yuv_planar(struct ipuv3_channel *ch,
204 u32 pixel_format, int stride, int height);
205int ipu_cpmem_set_fmt(struct ipuv3_channel *ch, u32 drm_fourcc);
206int ipu_cpmem_set_image(struct ipuv3_channel *ch, struct ipu_image *image);
207
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208/*
209 * IPU Display Controller (dc) functions
210 */
211struct ipu_dc;
212struct ipu_di;
213struct ipu_dc *ipu_dc_get(struct ipu_soc *ipu, int channel);
214void ipu_dc_put(struct ipu_dc *dc);
215int ipu_dc_init_sync(struct ipu_dc *dc, struct ipu_di *di, bool interlaced,
216 u32 pixel_fmt, u32 width);
1e6d486b 217void ipu_dc_enable(struct ipu_soc *ipu);
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218void ipu_dc_enable_channel(struct ipu_dc *dc);
219void ipu_dc_disable_channel(struct ipu_dc *dc);
1e6d486b 220void ipu_dc_disable(struct ipu_soc *ipu);
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221
222/*
223 * IPU Display Interface (di) functions
224 */
225struct ipu_di *ipu_di_get(struct ipu_soc *ipu, int disp);
226void ipu_di_put(struct ipu_di *);
227int ipu_di_disable(struct ipu_di *);
228int ipu_di_enable(struct ipu_di *);
229int ipu_di_get_num(struct ipu_di *);
230int ipu_di_init_sync_panel(struct ipu_di *, struct ipu_di_signal_cfg *sig);
231
232/*
233 * IPU Display Multi FIFO Controller (dmfc) functions
234 */
235struct dmfc_channel;
236int ipu_dmfc_enable_channel(struct dmfc_channel *dmfc);
237void ipu_dmfc_disable_channel(struct dmfc_channel *dmfc);
238int ipu_dmfc_alloc_bandwidth(struct dmfc_channel *dmfc,
239 unsigned long bandwidth_mbs, int burstsize);
240void ipu_dmfc_free_bandwidth(struct dmfc_channel *dmfc);
241int ipu_dmfc_init_channel(struct dmfc_channel *dmfc, int width);
242struct dmfc_channel *ipu_dmfc_get(struct ipu_soc *ipu, int ipuv3_channel);
243void ipu_dmfc_put(struct dmfc_channel *dmfc);
244
245/*
246 * IPU Display Processor (dp) functions
247 */
248#define IPU_DP_FLOW_SYNC_BG 0
249#define IPU_DP_FLOW_SYNC_FG 1
250#define IPU_DP_FLOW_ASYNC0_BG 2
251#define IPU_DP_FLOW_ASYNC0_FG 3
252#define IPU_DP_FLOW_ASYNC1_BG 4
253#define IPU_DP_FLOW_ASYNC1_FG 5
254
255struct ipu_dp *ipu_dp_get(struct ipu_soc *ipu, unsigned int flow);
256void ipu_dp_put(struct ipu_dp *);
285bbb01 257int ipu_dp_enable(struct ipu_soc *ipu);
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258int ipu_dp_enable_channel(struct ipu_dp *dp);
259void ipu_dp_disable_channel(struct ipu_dp *dp);
285bbb01 260void ipu_dp_disable(struct ipu_soc *ipu);
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261int ipu_dp_setup_channel(struct ipu_dp *dp,
262 enum ipu_color_space in, enum ipu_color_space out);
263int ipu_dp_set_window_pos(struct ipu_dp *, u16 x_pos, u16 y_pos);
264int ipu_dp_set_global_alpha(struct ipu_dp *dp, bool enable, u8 alpha,
265 bool bg_chan);
266
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267/*
268 * IPU CMOS Sensor Interface (csi) functions
269 */
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270struct ipu_csi;
271int ipu_csi_init_interface(struct ipu_csi *csi,
272 struct v4l2_mbus_config *mbus_cfg,
273 struct v4l2_mbus_framefmt *mbus_fmt);
274bool ipu_csi_is_interlaced(struct ipu_csi *csi);
275void ipu_csi_get_window(struct ipu_csi *csi, struct v4l2_rect *w);
276void ipu_csi_set_window(struct ipu_csi *csi, struct v4l2_rect *w);
277void ipu_csi_set_test_generator(struct ipu_csi *csi, bool active,
278 u32 r_value, u32 g_value, u32 b_value,
279 u32 pix_clk);
280int ipu_csi_set_mipi_datatype(struct ipu_csi *csi, u32 vc,
281 struct v4l2_mbus_framefmt *mbus_fmt);
282int ipu_csi_set_skip_smfc(struct ipu_csi *csi, u32 skip,
283 u32 max_ratio, u32 id);
284int ipu_csi_set_dest(struct ipu_csi *csi, enum ipu_csi_dest csi_dest);
285int ipu_csi_enable(struct ipu_csi *csi);
286int ipu_csi_disable(struct ipu_csi *csi);
287struct ipu_csi *ipu_csi_get(struct ipu_soc *ipu, int id);
288void ipu_csi_put(struct ipu_csi *csi);
289void ipu_csi_dump(struct ipu_csi *csi);
3f5a8a94 290
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291/*
292 * IPU Image Converter (ic) functions
293 */
294enum ipu_ic_task {
295 IC_TASK_ENCODER,
296 IC_TASK_VIEWFINDER,
297 IC_TASK_POST_PROCESSOR,
298 IC_NUM_TASKS,
299};
300
301struct ipu_ic;
302int ipu_ic_task_init(struct ipu_ic *ic,
303 int in_width, int in_height,
304 int out_width, int out_height,
305 enum ipu_color_space in_cs,
306 enum ipu_color_space out_cs);
307int ipu_ic_task_graphics_init(struct ipu_ic *ic,
308 enum ipu_color_space in_g_cs,
309 bool galpha_en, u32 galpha,
310 bool colorkey_en, u32 colorkey);
311void ipu_ic_task_enable(struct ipu_ic *ic);
312void ipu_ic_task_disable(struct ipu_ic *ic);
313int ipu_ic_task_idma_init(struct ipu_ic *ic, struct ipuv3_channel *channel,
314 u32 width, u32 height, int burst_size,
315 enum ipu_rotate_mode rot);
316int ipu_ic_enable(struct ipu_ic *ic);
317int ipu_ic_disable(struct ipu_ic *ic);
318struct ipu_ic *ipu_ic_get(struct ipu_soc *ipu, enum ipu_ic_task task);
319void ipu_ic_put(struct ipu_ic *ic);
320void ipu_ic_dump(struct ipu_ic *ic);
321
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322/*
323 * IPU Sensor Multiple FIFO Controller (SMFC) functions
324 */
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325struct ipu_smfc *ipu_smfc_get(struct ipu_soc *ipu, unsigned int chno);
326void ipu_smfc_put(struct ipu_smfc *smfc);
327int ipu_smfc_enable(struct ipu_smfc *smfc);
328int ipu_smfc_disable(struct ipu_smfc *smfc);
329int ipu_smfc_map_channel(struct ipu_smfc *smfc, int csi_id, int mipi_id);
330int ipu_smfc_set_burstsize(struct ipu_smfc *smfc, int burstsize);
a2be35e3 331int ipu_smfc_set_watermark(struct ipu_smfc *smfc, u32 set_level, u32 clr_level);
35de925f 332
7cb17797 333enum ipu_color_space ipu_drm_fourcc_to_colorspace(u32 drm_fourcc);
aecfbdb1 334enum ipu_color_space ipu_pixelformat_to_colorspace(u32 pixelformat);
ae0e9708 335enum ipu_color_space ipu_mbus_code_to_colorspace(u32 mbus_code);
6930afdc 336int ipu_stride_to_bytes(u32 pixel_stride, u32 pixelformat);
4cea940d 337bool ipu_pixelformat_is_planar(u32 pixelformat);
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338int ipu_degrees_to_rot_mode(enum ipu_rotate_mode *mode, int degrees,
339 bool hflip, bool vflip);
340int ipu_rot_mode_to_degrees(int *degrees, enum ipu_rotate_mode mode,
341 bool hflip, bool vflip);
aecfbdb1 342
aecfbdb1 343struct ipu_client_platformdata {
d6ca8ca7 344 int csi;
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345 int di;
346 int dc;
347 int dp;
348 int dmfc;
349 int dma[2];
350};
351
352#endif /* __DRM_IPU_H__ */
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