1 /*
2  * Copyright (C) 2007-2009 Texas Instruments Inc
3  * Copyright (C) 2007 MontaVista Software, Inc.
4  *
5  * Andy Lowe (alowe@mvista.com), MontaVista Software
6  * - Initial version
7  * Murali Karicheri (mkaricheri@gmail.com), Texas Instruments Ltd.
8  * - ported to sub device interface
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation version 2..
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License
20  * along with this program; if not, write to the Free Software
21  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
22  *
23  */
24 #ifndef _OSD_H
25 #define _OSD_H
26 
27 #include <media/davinci/vpbe_types.h>
28 
29 #define DM644X_VPBE_OSD_SUBDEV_NAME	"dm644x,vpbe-osd"
30 #define DM365_VPBE_OSD_SUBDEV_NAME	"dm365,vpbe-osd"
31 #define DM355_VPBE_OSD_SUBDEV_NAME	"dm355,vpbe-osd"
32 
33 /**
34  * enum osd_layer
35  * @WIN_OSD0: On-Screen Display Window 0
36  * @WIN_VID0: Video Window 0
37  * @WIN_OSD1: On-Screen Display Window 1
38  * @WIN_VID1: Video Window 1
39  *
40  * Description:
41  * An enumeration of the osd display layers.
42  */
43 enum osd_layer {
44 	WIN_OSD0,
45 	WIN_VID0,
46 	WIN_OSD1,
47 	WIN_VID1,
48 };
49 
50 /**
51  * enum osd_win_layer
52  * @OSDWIN_OSD0: On-Screen Display Window 0
53  * @OSDWIN_OSD1: On-Screen Display Window 1
54  *
55  * Description:
56  * An enumeration of the OSD Window layers.
57  */
58 enum osd_win_layer {
59 	OSDWIN_OSD0,
60 	OSDWIN_OSD1,
61 };
62 
63 /**
64  * enum osd_pix_format
65  * @PIXFMT_1BPP: 1-bit-per-pixel bitmap
66  * @PIXFMT_2BPP: 2-bits-per-pixel bitmap
67  * @PIXFMT_4BPP: 4-bits-per-pixel bitmap
68  * @PIXFMT_8BPP: 8-bits-per-pixel bitmap
69  * @PIXFMT_RGB565: 16-bits-per-pixel RGB565
70  * @PIXFMT_YCbCrI: YUV 4:2:2
71  * @PIXFMT_RGB888: 24-bits-per-pixel RGB888
72  * @PIXFMT_YCrCbI: YUV 4:2:2 with chroma swap
73  * @PIXFMT_NV12: YUV 4:2:0 planar
74  * @PIXFMT_OSD_ATTR: OSD Attribute Window pixel format (4bpp)
75  *
76  * Description:
77  * An enumeration of the DaVinci pixel formats.
78  */
79 enum osd_pix_format {
80 	PIXFMT_1BPP = 0,
81 	PIXFMT_2BPP,
82 	PIXFMT_4BPP,
83 	PIXFMT_8BPP,
84 	PIXFMT_RGB565,
85 	PIXFMT_YCBCRI,
86 	PIXFMT_RGB888,
87 	PIXFMT_YCRCBI,
88 	PIXFMT_NV12,
89 	PIXFMT_OSD_ATTR,
90 };
91 
92 /**
93  * enum osd_h_exp_ratio
94  * @H_EXP_OFF: no expansion (1/1)
95  * @H_EXP_9_OVER_8: 9/8 expansion ratio
96  * @H_EXP_3_OVER_2: 3/2 expansion ratio
97  *
98  * Description:
99  * An enumeration of the available horizontal expansion ratios.
100  */
101 enum osd_h_exp_ratio {
102 	H_EXP_OFF,
103 	H_EXP_9_OVER_8,
104 	H_EXP_3_OVER_2,
105 };
106 
107 /**
108  * enum osd_v_exp_ratio
109  * @V_EXP_OFF: no expansion (1/1)
110  * @V_EXP_6_OVER_5: 6/5 expansion ratio
111  *
112  * Description:
113  * An enumeration of the available vertical expansion ratios.
114  */
115 enum osd_v_exp_ratio {
116 	V_EXP_OFF,
117 	V_EXP_6_OVER_5,
118 };
119 
120 /**
121  * enum osd_zoom_factor
122  * @ZOOM_X1: no zoom (x1)
123  * @ZOOM_X2: x2 zoom
124  * @ZOOM_X4: x4 zoom
125  *
126  * Description:
127  * An enumeration of the available zoom factors.
128  */
129 enum osd_zoom_factor {
130 	ZOOM_X1,
131 	ZOOM_X2,
132 	ZOOM_X4,
133 };
134 
135 /**
136  * enum osd_clut
137  * @ROM_CLUT: ROM CLUT
138  * @RAM_CLUT: RAM CLUT
139  *
140  * Description:
141  * An enumeration of the available Color Lookup Tables (CLUTs).
142  */
143 enum osd_clut {
144 	ROM_CLUT,
145 	RAM_CLUT,
146 };
147 
148 /**
149  * enum osd_rom_clut
150  * @ROM_CLUT0: Macintosh CLUT
151  * @ROM_CLUT1: CLUT from DM270 and prior devices
152  *
153  * Description:
154  * An enumeration of the ROM Color Lookup Table (CLUT) options.
155  */
156 enum osd_rom_clut {
157 	ROM_CLUT0,
158 	ROM_CLUT1,
159 };
160 
161 /**
162  * enum osd_blending_factor
163  * @OSD_0_VID_8: OSD pixels are fully transparent
164  * @OSD_1_VID_7: OSD pixels contribute 1/8, video pixels contribute 7/8
165  * @OSD_2_VID_6: OSD pixels contribute 2/8, video pixels contribute 6/8
166  * @OSD_3_VID_5: OSD pixels contribute 3/8, video pixels contribute 5/8
167  * @OSD_4_VID_4: OSD pixels contribute 4/8, video pixels contribute 4/8
168  * @OSD_5_VID_3: OSD pixels contribute 5/8, video pixels contribute 3/8
169  * @OSD_6_VID_2: OSD pixels contribute 6/8, video pixels contribute 2/8
170  * @OSD_8_VID_0: OSD pixels are fully opaque
171  *
172  * Description:
173  * An enumeration of the DaVinci pixel blending factor options.
174  */
175 enum osd_blending_factor {
176 	OSD_0_VID_8,
177 	OSD_1_VID_7,
178 	OSD_2_VID_6,
179 	OSD_3_VID_5,
180 	OSD_4_VID_4,
181 	OSD_5_VID_3,
182 	OSD_6_VID_2,
183 	OSD_8_VID_0,
184 };
185 
186 /**
187  * enum osd_blink_interval
188  * @BLINK_X1: blink interval is 1 vertical refresh cycle
189  * @BLINK_X2: blink interval is 2 vertical refresh cycles
190  * @BLINK_X3: blink interval is 3 vertical refresh cycles
191  * @BLINK_X4: blink interval is 4 vertical refresh cycles
192  *
193  * Description:
194  * An enumeration of the DaVinci pixel blinking interval options.
195  */
196 enum osd_blink_interval {
197 	BLINK_X1,
198 	BLINK_X2,
199 	BLINK_X3,
200 	BLINK_X4,
201 };
202 
203 /**
204  * enum osd_cursor_h_width
205  * @H_WIDTH_1: horizontal line width is 1 pixel
206  * @H_WIDTH_4: horizontal line width is 4 pixels
207  * @H_WIDTH_8: horizontal line width is 8 pixels
208  * @H_WIDTH_12: horizontal line width is 12 pixels
209  * @H_WIDTH_16: horizontal line width is 16 pixels
210  * @H_WIDTH_20: horizontal line width is 20 pixels
211  * @H_WIDTH_24: horizontal line width is 24 pixels
212  * @H_WIDTH_28: horizontal line width is 28 pixels
213  */
214 enum osd_cursor_h_width {
215 	H_WIDTH_1,
216 	H_WIDTH_4,
217 	H_WIDTH_8,
218 	H_WIDTH_12,
219 	H_WIDTH_16,
220 	H_WIDTH_20,
221 	H_WIDTH_24,
222 	H_WIDTH_28,
223 };
224 
225 /**
226  * enum davinci_cursor_v_width
227  * @V_WIDTH_1: vertical line width is 1 line
228  * @V_WIDTH_2: vertical line width is 2 lines
229  * @V_WIDTH_4: vertical line width is 4 lines
230  * @V_WIDTH_6: vertical line width is 6 lines
231  * @V_WIDTH_8: vertical line width is 8 lines
232  * @V_WIDTH_10: vertical line width is 10 lines
233  * @V_WIDTH_12: vertical line width is 12 lines
234  * @V_WIDTH_14: vertical line width is 14 lines
235  */
236 enum osd_cursor_v_width {
237 	V_WIDTH_1,
238 	V_WIDTH_2,
239 	V_WIDTH_4,
240 	V_WIDTH_6,
241 	V_WIDTH_8,
242 	V_WIDTH_10,
243 	V_WIDTH_12,
244 	V_WIDTH_14,
245 };
246 
247 /**
248  * struct osd_cursor_config
249  * @xsize: horizontal size in pixels
250  * @ysize: vertical size in lines
251  * @xpos: horizontal offset in pixels from the left edge of the display
252  * @ypos: vertical offset in lines from the top of the display
253  * @interlaced: Non-zero if the display is interlaced, or zero otherwise
254  * @h_width: horizontal line width
255  * @v_width: vertical line width
256  * @clut: the CLUT selector (ROM or RAM) for the cursor color
257  * @clut_index: an index into the CLUT for the cursor color
258  *
259  * Description:
260  * A structure describing the configuration parameters of the hardware
261  * rectangular cursor.
262  */
263 struct osd_cursor_config {
264 	unsigned xsize;
265 	unsigned ysize;
266 	unsigned xpos;
267 	unsigned ypos;
268 	int interlaced;
269 	enum osd_cursor_h_width h_width;
270 	enum osd_cursor_v_width v_width;
271 	enum osd_clut clut;
272 	unsigned char clut_index;
273 };
274 
275 /**
276  * struct osd_layer_config
277  * @pixfmt: pixel format
278  * @line_length: offset in bytes between start of each line in memory
279  * @xsize: number of horizontal pixels displayed per line
280  * @ysize: number of lines displayed
281  * @xpos: horizontal offset in pixels from the left edge of the display
282  * @ypos: vertical offset in lines from the top of the display
283  * @interlaced: Non-zero if the display is interlaced, or zero otherwise
284  *
285  * Description:
286  * A structure describing the configuration parameters of an On-Screen Display
287  * (OSD) or video layer related to how the image is stored in memory.
288  * @line_length must be a multiple of the cache line size (32 bytes).
289  */
290 struct osd_layer_config {
291 	enum osd_pix_format pixfmt;
292 	unsigned line_length;
293 	unsigned xsize;
294 	unsigned ysize;
295 	unsigned xpos;
296 	unsigned ypos;
297 	int interlaced;
298 };
299 
300 /* parameters that apply on a per-window (OSD or video) basis */
301 struct osd_window_state {
302 	int is_allocated;
303 	int is_enabled;
304 	unsigned long fb_base_phys;
305 	enum osd_zoom_factor h_zoom;
306 	enum osd_zoom_factor v_zoom;
307 	struct osd_layer_config lconfig;
308 };
309 
310 /* parameters that apply on a per-OSD-window basis */
311 struct osd_osdwin_state {
312 	enum osd_clut clut;
313 	enum osd_blending_factor blend;
314 	int colorkey_blending;
315 	unsigned colorkey;
316 	int rec601_attenuation;
317 	/* index is pixel value */
318 	unsigned char palette_map[16];
319 };
320 
321 /* hardware rectangular cursor parameters */
322 struct osd_cursor_state {
323 	int is_enabled;
324 	struct osd_cursor_config config;
325 };
326 
327 struct osd_state;
328 
329 struct vpbe_osd_ops {
330 	int (*initialize)(struct osd_state *sd);
331 	int (*request_layer)(struct osd_state *sd, enum osd_layer layer);
332 	void (*release_layer)(struct osd_state *sd, enum osd_layer layer);
333 	int (*enable_layer)(struct osd_state *sd, enum osd_layer layer,
334 			    int otherwin);
335 	void (*disable_layer)(struct osd_state *sd, enum osd_layer layer);
336 	int (*set_layer_config)(struct osd_state *sd, enum osd_layer layer,
337 				struct osd_layer_config *lconfig);
338 	void (*get_layer_config)(struct osd_state *sd, enum osd_layer layer,
339 				 struct osd_layer_config *lconfig);
340 	void (*start_layer)(struct osd_state *sd, enum osd_layer layer,
341 			    unsigned long fb_base_phys,
342 			    unsigned long cbcr_ofst);
343 	void (*set_left_margin)(struct osd_state *sd, u32 val);
344 	void (*set_top_margin)(struct osd_state *sd, u32 val);
345 	void (*set_interpolation_filter)(struct osd_state *sd, int filter);
346 	int (*set_vid_expansion)(struct osd_state *sd,
347 					enum osd_h_exp_ratio h_exp,
348 					enum osd_v_exp_ratio v_exp);
349 	void (*get_vid_expansion)(struct osd_state *sd,
350 					enum osd_h_exp_ratio *h_exp,
351 					enum osd_v_exp_ratio *v_exp);
352 	void (*set_zoom)(struct osd_state *sd, enum osd_layer layer,
353 				enum osd_zoom_factor h_zoom,
354 				enum osd_zoom_factor v_zoom);
355 };
356 
357 struct osd_state {
358 	enum vpbe_version vpbe_type;
359 	spinlock_t lock;
360 	struct device *dev;
361 	dma_addr_t osd_base_phys;
362 	void __iomem *osd_base;
363 	unsigned long osd_size;
364 	/* 1-->the isr will toggle the VID0 ping-pong buffer */
365 	int pingpong;
366 	int interpolation_filter;
367 	int field_inversion;
368 	enum osd_h_exp_ratio osd_h_exp;
369 	enum osd_v_exp_ratio osd_v_exp;
370 	enum osd_h_exp_ratio vid_h_exp;
371 	enum osd_v_exp_ratio vid_v_exp;
372 	enum osd_clut backg_clut;
373 	unsigned backg_clut_index;
374 	enum osd_rom_clut rom_clut;
375 	int is_blinking;
376 	/* attribute window blinking enabled */
377 	enum osd_blink_interval blink;
378 	/* YCbCrI or YCrCbI */
379 	enum osd_pix_format yc_pixfmt;
380 	/* columns are Y, Cb, Cr */
381 	unsigned char clut_ram[256][3];
382 	struct osd_cursor_state cursor;
383 	/* OSD0, VID0, OSD1, VID1 */
384 	struct osd_window_state win[4];
385 	/* OSD0, OSD1 */
386 	struct osd_osdwin_state osdwin[2];
387 	/* OSD device Operations */
388 	struct vpbe_osd_ops ops;
389 };
390 
391 struct osd_platform_data {
392 	int  field_inv_wa_enable;
393 };
394 
395 #endif
396