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 */
43enum 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 */
58enum 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 */
79enum 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 */
101enum 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 */
115enum 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 */
129enum 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 */
143enum 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 */
156enum 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 */
175enum 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 */
196enum 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 */
214enum 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 */
236enum 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 */
263struct 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 */
290struct 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 */
301struct 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 */
311struct 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 */
322struct osd_cursor_state {
323	int is_enabled;
324	struct osd_cursor_config config;
325};
326
327struct osd_state;
328
329struct 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
357struct 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
391struct osd_platform_data {
392	int  field_inv_wa_enable;
393};
394
395#endif
396