1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Copyright (C) 2007-2009 Texas Instruments Inc
4  * Copyright (C) 2007 MontaVista Software, Inc.
5  *
6  * Andy Lowe (alowe@mvista.com), MontaVista Software
7  * - Initial version
8  * Murali Karicheri (mkaricheri@gmail.com), Texas Instruments Ltd.
9  * - ported to sub device interface
10  */
11 #ifndef _OSD_H
12 #define _OSD_H
13 
14 #include <media/davinci/vpbe_types.h>
15 
16 #define DM644X_VPBE_OSD_SUBDEV_NAME	"dm644x,vpbe-osd"
17 #define DM365_VPBE_OSD_SUBDEV_NAME	"dm365,vpbe-osd"
18 #define DM355_VPBE_OSD_SUBDEV_NAME	"dm355,vpbe-osd"
19 
20 /**
21  * enum osd_layer
22  * @WIN_OSD0: On-Screen Display Window 0
23  * @WIN_VID0: Video Window 0
24  * @WIN_OSD1: On-Screen Display Window 1
25  * @WIN_VID1: Video Window 1
26  *
27  * Description:
28  * An enumeration of the osd display layers.
29  */
30 enum osd_layer {
31 	WIN_OSD0,
32 	WIN_VID0,
33 	WIN_OSD1,
34 	WIN_VID1,
35 };
36 
37 /**
38  * enum osd_win_layer
39  * @OSDWIN_OSD0: On-Screen Display Window 0
40  * @OSDWIN_OSD1: On-Screen Display Window 1
41  *
42  * Description:
43  * An enumeration of the OSD Window layers.
44  */
45 enum osd_win_layer {
46 	OSDWIN_OSD0,
47 	OSDWIN_OSD1,
48 };
49 
50 /**
51  * enum osd_pix_format
52  * @PIXFMT_1BPP: 1-bit-per-pixel bitmap
53  * @PIXFMT_2BPP: 2-bits-per-pixel bitmap
54  * @PIXFMT_4BPP: 4-bits-per-pixel bitmap
55  * @PIXFMT_8BPP: 8-bits-per-pixel bitmap
56  * @PIXFMT_RGB565: 16-bits-per-pixel RGB565
57  * @PIXFMT_YCbCrI: YUV 4:2:2
58  * @PIXFMT_RGB888: 24-bits-per-pixel RGB888
59  * @PIXFMT_YCrCbI: YUV 4:2:2 with chroma swap
60  * @PIXFMT_NV12: YUV 4:2:0 planar
61  * @PIXFMT_OSD_ATTR: OSD Attribute Window pixel format (4bpp)
62  *
63  * Description:
64  * An enumeration of the DaVinci pixel formats.
65  */
66 enum osd_pix_format {
67 	PIXFMT_1BPP = 0,
68 	PIXFMT_2BPP,
69 	PIXFMT_4BPP,
70 	PIXFMT_8BPP,
71 	PIXFMT_RGB565,
72 	PIXFMT_YCBCRI,
73 	PIXFMT_RGB888,
74 	PIXFMT_YCRCBI,
75 	PIXFMT_NV12,
76 	PIXFMT_OSD_ATTR,
77 };
78 
79 /**
80  * enum osd_h_exp_ratio
81  * @H_EXP_OFF: no expansion (1/1)
82  * @H_EXP_9_OVER_8: 9/8 expansion ratio
83  * @H_EXP_3_OVER_2: 3/2 expansion ratio
84  *
85  * Description:
86  * An enumeration of the available horizontal expansion ratios.
87  */
88 enum osd_h_exp_ratio {
89 	H_EXP_OFF,
90 	H_EXP_9_OVER_8,
91 	H_EXP_3_OVER_2,
92 };
93 
94 /**
95  * enum osd_v_exp_ratio
96  * @V_EXP_OFF: no expansion (1/1)
97  * @V_EXP_6_OVER_5: 6/5 expansion ratio
98  *
99  * Description:
100  * An enumeration of the available vertical expansion ratios.
101  */
102 enum osd_v_exp_ratio {
103 	V_EXP_OFF,
104 	V_EXP_6_OVER_5,
105 };
106 
107 /**
108  * enum osd_zoom_factor
109  * @ZOOM_X1: no zoom (x1)
110  * @ZOOM_X2: x2 zoom
111  * @ZOOM_X4: x4 zoom
112  *
113  * Description:
114  * An enumeration of the available zoom factors.
115  */
116 enum osd_zoom_factor {
117 	ZOOM_X1,
118 	ZOOM_X2,
119 	ZOOM_X4,
120 };
121 
122 /**
123  * enum osd_clut
124  * @ROM_CLUT: ROM CLUT
125  * @RAM_CLUT: RAM CLUT
126  *
127  * Description:
128  * An enumeration of the available Color Lookup Tables (CLUTs).
129  */
130 enum osd_clut {
131 	ROM_CLUT,
132 	RAM_CLUT,
133 };
134 
135 /**
136  * enum osd_rom_clut
137  * @ROM_CLUT0: Macintosh CLUT
138  * @ROM_CLUT1: CLUT from DM270 and prior devices
139  *
140  * Description:
141  * An enumeration of the ROM Color Lookup Table (CLUT) options.
142  */
143 enum osd_rom_clut {
144 	ROM_CLUT0,
145 	ROM_CLUT1,
146 };
147 
148 /**
149  * enum osd_blending_factor
150  * @OSD_0_VID_8: OSD pixels are fully transparent
151  * @OSD_1_VID_7: OSD pixels contribute 1/8, video pixels contribute 7/8
152  * @OSD_2_VID_6: OSD pixels contribute 2/8, video pixels contribute 6/8
153  * @OSD_3_VID_5: OSD pixels contribute 3/8, video pixels contribute 5/8
154  * @OSD_4_VID_4: OSD pixels contribute 4/8, video pixels contribute 4/8
155  * @OSD_5_VID_3: OSD pixels contribute 5/8, video pixels contribute 3/8
156  * @OSD_6_VID_2: OSD pixels contribute 6/8, video pixels contribute 2/8
157  * @OSD_8_VID_0: OSD pixels are fully opaque
158  *
159  * Description:
160  * An enumeration of the DaVinci pixel blending factor options.
161  */
162 enum osd_blending_factor {
163 	OSD_0_VID_8,
164 	OSD_1_VID_7,
165 	OSD_2_VID_6,
166 	OSD_3_VID_5,
167 	OSD_4_VID_4,
168 	OSD_5_VID_3,
169 	OSD_6_VID_2,
170 	OSD_8_VID_0,
171 };
172 
173 /**
174  * enum osd_blink_interval
175  * @BLINK_X1: blink interval is 1 vertical refresh cycle
176  * @BLINK_X2: blink interval is 2 vertical refresh cycles
177  * @BLINK_X3: blink interval is 3 vertical refresh cycles
178  * @BLINK_X4: blink interval is 4 vertical refresh cycles
179  *
180  * Description:
181  * An enumeration of the DaVinci pixel blinking interval options.
182  */
183 enum osd_blink_interval {
184 	BLINK_X1,
185 	BLINK_X2,
186 	BLINK_X3,
187 	BLINK_X4,
188 };
189 
190 /**
191  * enum osd_cursor_h_width
192  * @H_WIDTH_1: horizontal line width is 1 pixel
193  * @H_WIDTH_4: horizontal line width is 4 pixels
194  * @H_WIDTH_8: horizontal line width is 8 pixels
195  * @H_WIDTH_12: horizontal line width is 12 pixels
196  * @H_WIDTH_16: horizontal line width is 16 pixels
197  * @H_WIDTH_20: horizontal line width is 20 pixels
198  * @H_WIDTH_24: horizontal line width is 24 pixels
199  * @H_WIDTH_28: horizontal line width is 28 pixels
200  */
201 enum osd_cursor_h_width {
202 	H_WIDTH_1,
203 	H_WIDTH_4,
204 	H_WIDTH_8,
205 	H_WIDTH_12,
206 	H_WIDTH_16,
207 	H_WIDTH_20,
208 	H_WIDTH_24,
209 	H_WIDTH_28,
210 };
211 
212 /**
213  * enum davinci_cursor_v_width
214  * @V_WIDTH_1: vertical line width is 1 line
215  * @V_WIDTH_2: vertical line width is 2 lines
216  * @V_WIDTH_4: vertical line width is 4 lines
217  * @V_WIDTH_6: vertical line width is 6 lines
218  * @V_WIDTH_8: vertical line width is 8 lines
219  * @V_WIDTH_10: vertical line width is 10 lines
220  * @V_WIDTH_12: vertical line width is 12 lines
221  * @V_WIDTH_14: vertical line width is 14 lines
222  */
223 enum osd_cursor_v_width {
224 	V_WIDTH_1,
225 	V_WIDTH_2,
226 	V_WIDTH_4,
227 	V_WIDTH_6,
228 	V_WIDTH_8,
229 	V_WIDTH_10,
230 	V_WIDTH_12,
231 	V_WIDTH_14,
232 };
233 
234 /**
235  * struct osd_cursor_config
236  * @xsize: horizontal size in pixels
237  * @ysize: vertical size in lines
238  * @xpos: horizontal offset in pixels from the left edge of the display
239  * @ypos: vertical offset in lines from the top of the display
240  * @interlaced: Non-zero if the display is interlaced, or zero otherwise
241  * @h_width: horizontal line width
242  * @v_width: vertical line width
243  * @clut: the CLUT selector (ROM or RAM) for the cursor color
244  * @clut_index: an index into the CLUT for the cursor color
245  *
246  * Description:
247  * A structure describing the configuration parameters of the hardware
248  * rectangular cursor.
249  */
250 struct osd_cursor_config {
251 	unsigned xsize;
252 	unsigned ysize;
253 	unsigned xpos;
254 	unsigned ypos;
255 	int interlaced;
256 	enum osd_cursor_h_width h_width;
257 	enum osd_cursor_v_width v_width;
258 	enum osd_clut clut;
259 	unsigned char clut_index;
260 };
261 
262 /**
263  * struct osd_layer_config
264  * @pixfmt: pixel format
265  * @line_length: offset in bytes between start of each line in memory
266  * @xsize: number of horizontal pixels displayed per line
267  * @ysize: number of lines displayed
268  * @xpos: horizontal offset in pixels from the left edge of the display
269  * @ypos: vertical offset in lines from the top of the display
270  * @interlaced: Non-zero if the display is interlaced, or zero otherwise
271  *
272  * Description:
273  * A structure describing the configuration parameters of an On-Screen Display
274  * (OSD) or video layer related to how the image is stored in memory.
275  * @line_length must be a multiple of the cache line size (32 bytes).
276  */
277 struct osd_layer_config {
278 	enum osd_pix_format pixfmt;
279 	unsigned line_length;
280 	unsigned xsize;
281 	unsigned ysize;
282 	unsigned xpos;
283 	unsigned ypos;
284 	int interlaced;
285 };
286 
287 /* parameters that apply on a per-window (OSD or video) basis */
288 struct osd_window_state {
289 	int is_allocated;
290 	int is_enabled;
291 	unsigned long fb_base_phys;
292 	enum osd_zoom_factor h_zoom;
293 	enum osd_zoom_factor v_zoom;
294 	struct osd_layer_config lconfig;
295 };
296 
297 /* parameters that apply on a per-OSD-window basis */
298 struct osd_osdwin_state {
299 	enum osd_clut clut;
300 	enum osd_blending_factor blend;
301 	int colorkey_blending;
302 	unsigned colorkey;
303 	int rec601_attenuation;
304 	/* index is pixel value */
305 	unsigned char palette_map[16];
306 };
307 
308 /* hardware rectangular cursor parameters */
309 struct osd_cursor_state {
310 	int is_enabled;
311 	struct osd_cursor_config config;
312 };
313 
314 struct osd_state;
315 
316 struct vpbe_osd_ops {
317 	int (*initialize)(struct osd_state *sd);
318 	int (*request_layer)(struct osd_state *sd, enum osd_layer layer);
319 	void (*release_layer)(struct osd_state *sd, enum osd_layer layer);
320 	int (*enable_layer)(struct osd_state *sd, enum osd_layer layer,
321 			    int otherwin);
322 	void (*disable_layer)(struct osd_state *sd, enum osd_layer layer);
323 	int (*set_layer_config)(struct osd_state *sd, enum osd_layer layer,
324 				struct osd_layer_config *lconfig);
325 	void (*get_layer_config)(struct osd_state *sd, enum osd_layer layer,
326 				 struct osd_layer_config *lconfig);
327 	void (*start_layer)(struct osd_state *sd, enum osd_layer layer,
328 			    unsigned long fb_base_phys,
329 			    unsigned long cbcr_ofst);
330 	void (*set_left_margin)(struct osd_state *sd, u32 val);
331 	void (*set_top_margin)(struct osd_state *sd, u32 val);
332 	void (*set_interpolation_filter)(struct osd_state *sd, int filter);
333 	int (*set_vid_expansion)(struct osd_state *sd,
334 					enum osd_h_exp_ratio h_exp,
335 					enum osd_v_exp_ratio v_exp);
336 	void (*get_vid_expansion)(struct osd_state *sd,
337 					enum osd_h_exp_ratio *h_exp,
338 					enum osd_v_exp_ratio *v_exp);
339 	void (*set_zoom)(struct osd_state *sd, enum osd_layer layer,
340 				enum osd_zoom_factor h_zoom,
341 				enum osd_zoom_factor v_zoom);
342 };
343 
344 struct osd_state {
345 	enum vpbe_version vpbe_type;
346 	spinlock_t lock;
347 	struct device *dev;
348 	dma_addr_t osd_base_phys;
349 	void __iomem *osd_base;
350 	unsigned long osd_size;
351 	/* 1-->the isr will toggle the VID0 ping-pong buffer */
352 	int pingpong;
353 	int interpolation_filter;
354 	int field_inversion;
355 	enum osd_h_exp_ratio osd_h_exp;
356 	enum osd_v_exp_ratio osd_v_exp;
357 	enum osd_h_exp_ratio vid_h_exp;
358 	enum osd_v_exp_ratio vid_v_exp;
359 	enum osd_clut backg_clut;
360 	unsigned backg_clut_index;
361 	enum osd_rom_clut rom_clut;
362 	int is_blinking;
363 	/* attribute window blinking enabled */
364 	enum osd_blink_interval blink;
365 	/* YCbCrI or YCrCbI */
366 	enum osd_pix_format yc_pixfmt;
367 	/* columns are Y, Cb, Cr */
368 	unsigned char clut_ram[256][3];
369 	struct osd_cursor_state cursor;
370 	/* OSD0, VID0, OSD1, VID1 */
371 	struct osd_window_state win[4];
372 	/* OSD0, OSD1 */
373 	struct osd_osdwin_state osdwin[2];
374 	/* OSD device Operations */
375 	struct vpbe_osd_ops ops;
376 };
377 
378 struct osd_platform_data {
379 	int  field_inv_wa_enable;
380 };
381 
382 #endif
383