1 /*******************************************************************************
3 * Copyright (C) 2017 Xilinx, Inc. All rights reserved.
5 * Permission is hereby granted, free of charge, to any person obtaining a copy
6 * of this software and associated documentation files (the "Software"), to deal
7 * in the Software without restriction, including without limitation the rights
8 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
9 * copies of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
15 * Use of the Software is limited solely to applications:
16 * (a) running on a Xilinx device, or
17 * (b) that interact with a Xilinx device through a bus or interconnect.
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
22 * XILINX BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
23 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
24 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
27 * Except as contained in this notice, the name of the Xilinx shall not be used
28 * in advertising or otherwise to promote the sale, use or other dealings in
29 * this Software without prior written authorization from Xilinx.
31 *******************************************************************************/
32 /******************************************************************************/
36 * @addtogroup video_common_v4_2
39 * Contains macros, definitions, and function declarations related to the
40 * Extended Display Identification Data (EDID) structure which is present in all
41 * monitors. All content in this file is agnostic of communication interface
47 * MODIFICATION HISTORY:
49 * Ver Who Date Changes
50 * ----- ---- -------- -----------------------------------------------
51 * 1.0 als 11/09/14 Initial release.
52 * 2.2 als 02/01/16 Functions with pointer arguments that don't modify
54 * 4.0 aad 10/26/16 Functions which return fixed point values instead of
58 *******************************************************************************/
61 /* Prevent circular inclusions by using protection macros. */
67 /******************************* Include Files ********************************/
72 /************************** Constant Definitions ******************************/
74 /** @name Address mapping for the base EDID block.
77 #define XVIDC_EDID_HEADER 0x00
78 /* Vendor and product identification. */
79 #define XVIDC_EDID_VPI_ID_MAN_NAME0 0x08
80 #define XVIDC_EDID_VPI_ID_MAN_NAME1 0x09
81 #define XVIDC_EDID_VPI_ID_PROD_CODE_LSB 0x0A
82 #define XVIDC_EDID_VPI_ID_PROD_CODE_MSB 0x0B
83 #define XVIDC_EDID_VPI_ID_SN0 0x0C
84 #define XVIDC_EDID_VPI_ID_SN1 0x0D
85 #define XVIDC_EDID_VPI_ID_SN2 0x0E
86 #define XVIDC_EDID_VPI_ID_SN3 0x0F
87 #define XVIDC_EDID_VPI_WEEK_MAN 0x10
88 #define XVIDC_EDID_VPI_YEAR 0x11
89 /* EDID structure version and revision. */
90 #define XVIDC_EDID_STRUCT_VER 0x12
91 #define XVIDC_EDID_STRUCT_REV 0x13
92 /* Basic display parameters and features. */
93 #define XVIDC_EDID_BDISP_VID 0x14
94 #define XVIDC_EDID_BDISP_H_SSAR 0x15
95 #define XVIDC_EDID_BDISP_V_SSAR 0x16
96 #define XVIDC_EDID_BDISP_GAMMA 0x17
97 #define XVIDC_EDID_BDISP_FEATURE 0x18
98 /* Color characteristics (display x,y chromaticity coordinates). */
99 #define XVIDC_EDID_CC_RG_LOW 0x19
100 #define XVIDC_EDID_CC_BW_LOW 0x1A
101 #define XVIDC_EDID_CC_REDX_HIGH 0x1B
102 #define XVIDC_EDID_CC_REDY_HIGH 0x1C
103 #define XVIDC_EDID_CC_GREENX_HIGH 0x1D
104 #define XVIDC_EDID_CC_GREENY_HIGH 0x1E
105 #define XVIDC_EDID_CC_BLUEX_HIGH 0x1F
106 #define XVIDC_EDID_CC_BLUEY_HIGH 0x20
107 #define XVIDC_EDID_CC_WHITEX_HIGH 0x21
108 #define XVIDC_EDID_CC_WHITEY_HIGH 0x22
109 /* Established timings. */
110 #define XVIDC_EDID_EST_TIMINGS_I 0x23
111 #define XVIDC_EDID_EST_TIMINGS_II 0x24
112 #define XVIDC_EDID_EST_TIMINGS_MAN 0x25
113 /* Standard timings. */
114 #define XVIDC_EDID_STD_TIMINGS_H(N) (0x26 + 2 * (N - 1))
115 #define XVIDC_EDID_STD_TIMINGS_AR_FRR(N) (0x27 + 2 * (N - 1))
116 /* 18 byte descriptors. */
117 #define XVIDC_EDID_18BYTE_DESCRIPTOR(N) (0x36 + 18 * (N - 1))
118 #define XVIDC_EDID_PTM (XVIDC_EDID_18BYTE_DESCRIPTOR(1))
119 /* - Detailed timing descriptor (DTD) / Preferred timing mode (PTM). */
120 #define XVIDC_EDID_DTD_PTM_PIXEL_CLK_KHZ_LSB 0x00
121 #define XVIDC_EDID_DTD_PTM_PIXEL_CLK_KHZ_MSB 0x01
122 #define XVIDC_EDID_DTD_PTM_HRES_LSB 0x02
123 #define XVIDC_EDID_DTD_PTM_HBLANK_LSB 0x03
124 #define XVIDC_EDID_DTD_PTM_HRES_HBLANK_U4 0x04
125 #define XVIDC_EDID_DTD_PTM_VRES_LSB 0x05
126 #define XVIDC_EDID_DTD_PTM_VBLANK_LSB 0x06
127 #define XVIDC_EDID_DTD_PTM_VRES_VBLANK_U4 0x07
128 #define XVIDC_EDID_DTD_PTM_HFPORCH_LSB 0x08
129 #define XVIDC_EDID_DTD_PTM_HSPW_LSB 0x09
130 #define XVIDC_EDID_DTD_PTM_VFPORCH_VSPW_L4 0x0A
131 #define XVIDC_EDID_DTD_PTM_XFPORCH_XSPW_U2 0x0B
132 #define XVIDC_EDID_DTD_PTM_HIMGSIZE_MM_LSB 0x0C
133 #define XVIDC_EDID_DTD_PTM_VIMGSIZE_MM_LSB 0x0D
134 #define XVIDC_EDID_DTD_PTM_XIMGSIZE_MM_U4 0x0E
135 #define XVIDC_EDID_DTD_PTM_HBORDER 0x0F
136 #define XVIDC_EDID_DTD_PTM_VBORDER 0x10
137 #define XVIDC_EDID_DTD_PTM_SIGNAL 0x11
139 /* Extension block count. */
140 #define XVIDC_EDID_EXT_BLK_COUNT 0x7E
142 #define XVIDC_EDID_CHECKSUM 0x7F
145 /******************************************************************************/
147 /** @name Extended Display Identification Data: Masks, shifts, and values.
150 #define XVIDC_EDID_VPI_ID_MAN_NAME0_CHAR0_SHIFT 2
151 #define XVIDC_EDID_VPI_ID_MAN_NAME0_CHAR0_MASK (0x1F << 2)
152 #define XVIDC_EDID_VPI_ID_MAN_NAME0_CHAR1_MASK 0x03
153 #define XVIDC_EDID_VPI_ID_MAN_NAME0_CHAR1_POS 3
154 #define XVIDC_EDID_VPI_ID_MAN_NAME1_CHAR1_SHIFT 5
155 #define XVIDC_EDID_VPI_ID_MAN_NAME1_CHAR2_MASK 0x1F
157 /* Basic display parameters and features: Video input definition. */
158 #define XVIDC_EDID_BDISP_VID_VSI_SHIFT 7
159 #define XVIDC_EDID_BDISP_VID_VSI_MASK (0x01 << 7)
160 #define XVIDC_EDID_BDISP_VID_ANA_SLS_SHIFT 5
161 #define XVIDC_EDID_BDISP_VID_ANA_SLS_MASK (0x03 << 5)
162 #define XVIDC_EDID_BDISP_VID_ANA_SLS_0700_0300_1000 0x0
163 #define XVIDC_EDID_BDISP_VID_ANA_SLS_0714_0286_1000 0x1
164 #define XVIDC_EDID_BDISP_VID_ANA_SLS_1000_0400_1400 0x2
165 #define XVIDC_EDID_BDISP_VID_ANA_SLS_0700_0000_0700 0x3
166 #define XVIDC_EDID_BDISP_VID_ANA_VID_SETUP_MASK (0x01 << 4)
167 #define XVIDC_EDID_BDISP_VID_ANA_SEP_SYNC_HV_MASK (0x01 << 3)
168 #define XVIDC_EDID_BDISP_VID_ANA_COMP_SYNC_H_MASK (0x01 << 2)
169 #define XVIDC_EDID_BDISP_VID_ANA_COMP_SYNC_G_MASK (0x01 << 1)
170 #define XVIDC_EDID_BDISP_VID_ANA_SERR_V_SYNC_MASK (0x01)
171 #define XVIDC_EDID_BDISP_VID_DIG_BPC_SHIFT 4
172 #define XVIDC_EDID_BDISP_VID_DIG_BPC_MASK (0x7 << 4)
173 #define XVIDC_EDID_BDISP_VID_DIG_BPC_UNDEF 0x0
174 #define XVIDC_EDID_BDISP_VID_DIG_BPC_6 0x1
175 #define XVIDC_EDID_BDISP_VID_DIG_BPC_8 0x2
176 #define XVIDC_EDID_BDISP_VID_DIG_BPC_10 0x3
177 #define XVIDC_EDID_BDISP_VID_DIG_BPC_12 0x4
178 #define XVIDC_EDID_BDISP_VID_DIG_BPC_14 0x5
179 #define XVIDC_EDID_BDISP_VID_DIG_BPC_16 0x6
180 #define XVIDC_EDID_BDISP_VID_DIG_VIS_MASK 0xF
181 #define XVIDC_EDID_BDISP_VID_DIG_VIS_UNDEF 0x0
182 #define XVIDC_EDID_BDISP_VID_DIG_VIS_DVI 0x1
183 #define XVIDC_EDID_BDISP_VID_DIG_VIS_HDMIA 0x2
184 #define XVIDC_EDID_BDISP_VID_DIG_VIS_HDMIB 0x3
185 #define XVIDC_EDID_BDISP_VID_DIG_VIS_MDDI 0x4
186 #define XVIDC_EDID_BDISP_VID_DIG_VIS_DP 0x5
188 /* Basic display parameters and features: Feature support. */
189 #define XVIDC_EDID_BDISP_FEATURE_PM_STANDBY_MASK (0x1 << 7)
190 #define XVIDC_EDID_BDISP_FEATURE_PM_SUSPEND_MASK (0x1 << 6)
191 #define XVIDC_EDID_BDISP_FEATURE_PM_OFF_VLP_MASK (0x1 << 5)
192 #define XVIDC_EDID_BDISP_FEATURE_ANA_COLORTYPE_SHIFT 3
193 #define XVIDC_EDID_BDISP_FEATURE_ANA_COLORTYPE_MASK (0x3 << 3)
194 #define XVIDC_EDID_BDISP_FEATURE_ANA_COLORTYPE_MCG 0x0
195 #define XVIDC_EDID_BDISP_FEATURE_ANA_COLORTYPE_RGB 0x1
196 #define XVIDC_EDID_BDISP_FEATURE_ANA_COLORTYPE_NRGB 0x2
197 #define XVIDC_EDID_BDISP_FEATURE_ANA_COLORTYPE_UNDEF 0x3
198 #define XVIDC_EDID_BDISP_FEATURE_DIG_COLORENC_YCRCB444_MASK (0x1 << 3)
199 #define XVIDC_EDID_BDISP_FEATURE_DIG_COLORENC_YCRCB422_MASK (0x1 << 4)
200 #define XVIDC_EDID_BDISP_FEATURE_SRGB_DEF_MASK (0x1 << 2)
201 #define XVIDC_EDID_BDISP_FEATURE_PTM_INC_MASK (0x1 << 1)
202 #define XVIDC_EDID_BDISP_FEATURE_CONTFREQ_MASK (0x1)
204 /* Color characteristics (display x,y chromaticity coordinates). */
205 #define XVIDC_EDID_CC_HIGH_SHIFT 2
206 #define XVIDC_EDID_CC_RBX_LOW_SHIFT 6
207 #define XVIDC_EDID_CC_RBY_LOW_SHIFT 4
208 #define XVIDC_EDID_CC_RBY_LOW_MASK (0x3 << 4)
209 #define XVIDC_EDID_CC_GWX_LOW_SHIFT 2
210 #define XVIDC_EDID_CC_GWX_LOW_MASK (0x3 << 2)
211 #define XVIDC_EDID_CC_GWY_LOW_MASK (0x3)
212 #define XVIDC_EDID_CC_GREENY_HIGH 0x1E
213 #define XVIDC_EDID_CC_BLUEX_HIGH 0x1F
214 #define XVIDC_EDID_CC_BLUEY_HIGH 0x20
215 #define XVIDC_EDID_CC_WHITEX_HIGH 0x21
216 #define XVIDC_EDID_CC_WHITEY_HIGH 0x22
218 /* Established timings. */
219 #define XVIDC_EDID_EST_TIMINGS_I_720x400_70_MASK (0x1 << 7)
220 #define XVIDC_EDID_EST_TIMINGS_I_720x400_88_MASK (0x1 << 6)
221 #define XVIDC_EDID_EST_TIMINGS_I_640x480_60_MASK (0x1 << 5)
222 #define XVIDC_EDID_EST_TIMINGS_I_640x480_67_MASK (0x1 << 4)
223 #define XVIDC_EDID_EST_TIMINGS_I_640x480_72_MASK (0x1 << 3)
224 #define XVIDC_EDID_EST_TIMINGS_I_640x480_75_MASK (0x1 << 2)
225 #define XVIDC_EDID_EST_TIMINGS_I_800x600_56_MASK (0x1 << 1)
226 #define XVIDC_EDID_EST_TIMINGS_I_800x600_60_MASK (0x1)
227 #define XVIDC_EDID_EST_TIMINGS_II_800x600_72_MASK (0x1 << 7)
228 #define XVIDC_EDID_EST_TIMINGS_II_800x600_75_MASK (0x1 << 6)
229 #define XVIDC_EDID_EST_TIMINGS_II_832x624_75_MASK (0x1 << 5)
230 #define XVIDC_EDID_EST_TIMINGS_II_1024x768_87_MASK (0x1 << 4)
231 #define XVIDC_EDID_EST_TIMINGS_II_1024x768_60_MASK (0x1 << 3)
232 #define XVIDC_EDID_EST_TIMINGS_II_1024x768_70_MASK (0x1 << 2)
233 #define XVIDC_EDID_EST_TIMINGS_II_1024x768_75_MASK (0x1 << 1)
234 #define XVIDC_EDID_EST_TIMINGS_II_1280x1024_75_MASK (0x1)
235 #define XVIDC_EDID_EST_TIMINGS_MAN_1152x870_75_MASK (0x1 << 7)
236 #define XVIDC_EDID_EST_TIMINGS_MAN_MASK (0x7F)
238 /* Standard timings. */
239 #define XVIDC_EDID_STD_TIMINGS_AR_SHIFT 6
240 #define XVIDC_EDID_STD_TIMINGS_AR_16_10 0x0
241 #define XVIDC_EDID_STD_TIMINGS_AR_4_3 0x1
242 #define XVIDC_EDID_STD_TIMINGS_AR_5_4 0x2
243 #define XVIDC_EDID_STD_TIMINGS_AR_16_9 0x3
244 #define XVIDC_EDID_STD_TIMINGS_FRR_MASK (0x3F)
246 /* Detailed timing descriptor (DTD) / Preferred timing mode (PTM). */
247 #define XVIDC_EDID_DTD_PTM_XRES_XBLANK_U4_XBLANK_MASK 0x0F
248 #define XVIDC_EDID_DTD_PTM_XRES_XBLANK_U4_XRES_MASK 0xF0
249 #define XVIDC_EDID_DTD_PTM_XRES_XBLANK_U4_XRES_SHIFT 4
250 #define XVIDC_EDID_DTD_PTM_VFPORCH_VSPW_L4_VSPW_MASK 0x0F
251 #define XVIDC_EDID_DTD_PTM_VFPORCH_VSPW_L4_VFPORCH_MASK 0xF0
252 #define XVIDC_EDID_DTD_PTM_VFPORCH_VSPW_L4_VFPORCH_SHIFT 4
253 #define XVIDC_EDID_DTD_PTM_XFPORCH_XSPW_U2_HFPORCH_MASK 0xC0
254 #define XVIDC_EDID_DTD_PTM_XFPORCH_XSPW_U2_HSPW_MASK 0x30
255 #define XVIDC_EDID_DTD_PTM_XFPORCH_XSPW_U2_VFPORCH_MASK 0x0C
256 #define XVIDC_EDID_DTD_PTM_XFPORCH_XSPW_U2_VSPW_MASK 0x03
257 #define XVIDC_EDID_DTD_PTM_XFPORCH_XSPW_U2_HFPORCH_SHIFT 6
258 #define XVIDC_EDID_DTD_PTM_XFPORCH_XSPW_U2_HSPW_SHIFT 4
259 #define XVIDC_EDID_DTD_PTM_XFPORCH_XSPW_U2_VFPORCH_SHIFT 2
260 #define XVIDC_EDID_DTD_PTM_XIMGSIZE_MM_U4_VIMGSIZE_MM_MASK 0x0F
261 #define XVIDC_EDID_DTD_PTM_XIMGSIZE_MM_U4_HIMGSIZE_MM_MASK 0xF0
262 #define XVIDC_EDID_DTD_PTM_XIMGSIZE_MM_U4_HIMGSIZE_MM_SHIFT 4
263 #define XVIDC_EDID_DTD_PTM_SIGNAL_INTERLACED_MASK 0x80
264 #define XVIDC_EDID_DTD_PTM_SIGNAL_INTERLACED_SHIFT 7
265 #define XVIDC_EDID_DTD_PTM_SIGNAL_HPOLARITY_MASK 0x02
266 #define XVIDC_EDID_DTD_PTM_SIGNAL_VPOLARITY_MASK 0x04
267 #define XVIDC_EDID_DTD_PTM_SIGNAL_HPOLARITY_SHIFT 1
268 #define XVIDC_EDID_DTD_PTM_SIGNAL_VPOLARITY_SHIFT 2
271 /******************* Macros (Inline Functions) Definitions ********************/
273 #define XVidC_EdidIsHeaderValid(E) \
274 !memcmp(E, "\x00\xFF\xFF\xFF\xFF\xFF\xFF\x00", 8)
276 /* Vendor and product identification: ID manufacturer name. */
277 /* void XVidC_EdidGetManName(const u8 *EdidRaw, char ManName[4]); */
279 /* Vendor and product identification: ID product code. */
280 #define XVidC_EdidGetIdProdCode(E) \
281 ((u16)((E[XVIDC_EDID_VPI_ID_PROD_CODE_MSB] << 8) | \
282 E[XVIDC_EDID_VPI_ID_PROD_CODE_LSB]))
284 /* Vendor and product identification: ID serial number. */
285 #define XVidC_EdidGetIdSn(E) \
286 ((u32)((E[XVIDC_EDID_VPI_ID_SN3] << 24) | \
287 (E[XVIDC_EDID_VPI_ID_SN2] << 16) | (E[XVIDC_EDID_VPI_ID_SN1] << 8) | \
288 E[XVIDC_EDID_VPI_ID_SN0]))
290 /* Vendor and product identification: Week and year of manufacture or model
292 #define XVidC_EdidGetManWeek(E) (E[XVIDC_EDID_VPI_WEEK_MAN])
293 #define XVidC_EdidGetModManYear(E) (E[XVIDC_EDID_VPI_YEAR] + 1990)
294 #define XVidC_EdidIsYearModel(E) (XVidC_EdidGetManWeek(E) == 0xFF)
295 #define XVidC_EdidIsYearMan(E) (XVidC_EdidGetManWeek(E) != 0xFF)
297 /* EDID structure version and revision. */
298 #define XVidC_EdidGetStructVer(E) (E[XVIDC_EDID_STRUCT_VER])
299 #define XVidC_EdidGetStructRev(E) (E[XVIDC_EDID_STRUCT_REV])
301 /* Basic display parameters and features: Video input definition. */
302 #define XVidC_EdidIsDigitalSig(E) \
303 ((E[XVIDC_EDID_BDISP_VID] & XVIDC_EDID_BDISP_VID_VSI_MASK) != 0)
304 #define XVidC_EdidIsAnalogSig(E) \
305 ((E[XVIDC_EDID_BDISP_VID] & XVIDC_EDID_BDISP_VID_VSI_MASK) == 0)
306 #define XVidC_EdidGetAnalogSigLvlStd(E) \
307 ((E[XVIDC_EDID_BDISP_VID] & XVIDC_EDID_BDISP_VID_ANA_SLS_MASK) >> \
308 XVIDC_EDID_BDISP_VID_ANA_SLS_SHIFT)
309 #define XVidC_EdidGetAnalogSigVidSetup(E) \
310 ((E[XVIDC_EDID_BDISP_VID] & \
311 XVIDC_EDID_BDISP_VID_ANA_VID_SETUP_MASK) != 0)
312 #define XVidC_EdidSuppAnalogSigSepSyncHv(E) \
313 ((E[XVIDC_EDID_BDISP_VID] & \
314 XVIDC_EDID_BDISP_VID_ANA_SEP_SYNC_HV_MASK) != 0)
315 #define XVidC_EdidSuppAnalogSigCompSyncH(E) \
316 ((E[XVIDC_EDID_BDISP_VID] & \
317 XVIDC_EDID_BDISP_VID_ANA_COMP_SYNC_H_MASK) != 0)
318 #define XVidC_EdidSuppAnalogSigCompSyncG(E) \
319 ((E[XVIDC_EDID_BDISP_VID] & \
320 XVIDC_EDID_BDISP_VID_ANA_COMP_SYNC_G_MASK) != 0)
321 #define XVidC_EdidSuppAnalogSigSerrVsync(E) \
322 ((E[XVIDC_EDID_BDISP_VID] & \
323 XVIDC_EDID_BDISP_VID_ANA_SERR_V_SYNC_MASK) != 0)
324 /* XVidC_ColorDepth XVidC_EdidGetColorDepth(const u8 *EdidRaw); */
325 #define XVidC_EdidGetDigitalSigIfaceStd(E) \
326 (E[XVIDC_EDID_BDISP_VID] & XVIDC_EDID_BDISP_VID_DIG_VIS_MASK)
328 /* Basic display parameters and features: Horizontal and vertical screen size or
330 #define XVidC_EdidIsSsArDefined(E) \
331 ((E[XVIDC_EDID_BDISP_H_SSAR] | E[XVIDC_EDID_BDISP_V_SSAR]) != 0)
332 #define XVidC_EdidGetSsArH(E) E[XVIDC_EDID_BDISP_H_SSAR]
333 #define XVidC_EdidGetSsArV(E) E[XVIDC_EDID_BDISP_V_SSAR]
334 #define XVidC_EdidIsSsArSs(E) \
335 ((XVidC_EdidGetSsArH(E) != 0) && (XVidC_EdidGetSsArV(E) != 0))
336 #define XVidC_EdidIsSsArArL(E) \
337 ((XVidC_EdidGetSsArH(E) != 0) && (XVidC_EdidGetSsArV(E) == 0))
338 #define XVidC_EdidIsSsArArP(E) \
339 ((XVidC_EdidGetSsArH(E) == 0) && (XVidC_EdidGetSsArV(E) != 0))
340 #define XVidC_EdidGetSsArArL(E) \
341 ((float)((XVidC_EdidGetSsArH(E) + 99.0) / 100.0))
342 #define XVidC_EdidGetSsArArP(E) \
343 ((float)(100.0 / (XVidC_EdidGetSsArV(E) + 99.0)))
345 /* Basic display parameters and features: Gamma. */
346 #define XVidC_EdidIsGammaInExt(E) (E[XVIDC_EDID_BDISP_GAMMA] == 0xFF)
347 #define XVidC_EdidGetGamma(E) \
348 ((float)((E[XVIDC_EDID_BDISP_GAMMA] + 100.0) / 100.0))
350 /* Basic display parameters and features: Feature support. */
351 #define XVidC_EdidSuppFeaturePmStandby(E) \
352 ((E[XVIDC_EDID_BDISP_FEATURE] & \
353 XVIDC_EDID_BDISP_FEATURE_PM_STANDBY_MASK) != 0)
354 #define XVidC_EdidSuppFeaturePmSuspend(E) \
355 ((E[XVIDC_EDID_BDISP_FEATURE] & \
356 XVIDC_EDID_BDISP_FEATURE_PM_SUSPEND_MASK) != 0)
357 #define XVidC_EdidSuppFeaturePmOffVlp(E) \
358 ((E[XVIDC_EDID_BDISP_FEATURE] & \
359 XVIDC_EDID_BDISP_FEATURE_PM_OFF_VLP_MASK) != 0)
360 #define XVidC_EdidGetFeatureAnaColorType(E) \
361 ((E[XVIDC_EDID_BDISP_FEATURE] & \
362 XVIDC_EDID_BDISP_FEATURE_ANA_COLORTYPE_MASK) >> \
363 XVIDC_EDID_BDISP_FEATURE_ANA_COLORTYPE_SHIFT)
364 #define XVidC_EdidSuppFeatureDigColorEncYCrCb444(E) \
365 ((E[XVIDC_EDID_BDISP_FEATURE] & \
366 XVIDC_EDID_BDISP_FEATURE_DIG_COLORENC_YCRCB444_MASK) != 0)
367 #define XVidC_EdidSuppFeatureDigColorEncYCrCb422(E) \
368 ((E[XVIDC_EDID_BDISP_FEATURE] & \
369 XVIDC_EDID_BDISP_FEATURE_DIG_COLORENC_YCRCB422_MASK) != 0)
370 #define XVidC_EdidIsFeatureSrgbDef(E) \
371 ((E[XVIDC_EDID_BDISP_FEATURE] & \
372 XVIDC_EDID_BDISP_FEATURE_SRGB_DEF_MASK) != 0)
373 #define XVidC_EdidIsFeaturePtmInc(E) \
374 ((E[XVIDC_EDID_BDISP_FEATURE] & \
375 XVIDC_EDID_BDISP_FEATURE_PTM_INC_MASK) != 0)
376 #define XVidC_EdidIsFeatureContFreq(E) \
377 ((E[XVIDC_EDID_BDISP_FEATURE] & \
378 XVIDC_EDID_BDISP_FEATURE_CONTFREQ_MASK) != 0)
380 /* Established timings. */
381 #define XVidC_EdidSuppEstTimings720x400_70(E) \
382 ((E[XVIDC_EDID_EST_TIMINGS_I] & \
383 XVIDC_EDID_EST_TIMINGS_I_720x400_70_MASK) != 0)
384 #define XVidC_EdidSuppEstTimings720x400_88(E) \
385 ((E[XVIDC_EDID_EST_TIMINGS_I] & \
386 XVIDC_EDID_EST_TIMINGS_I_720x400_88_MASK) != 0)
387 #define XVidC_EdidSuppEstTimings640x480_60(E) \
388 ((E[XVIDC_EDID_EST_TIMINGS_I] & \
389 XVIDC_EDID_EST_TIMINGS_I_640x480_60_MASK) != 0)
390 #define XVidC_EdidSuppEstTimings640x480_67(E) \
391 ((E[XVIDC_EDID_EST_TIMINGS_I] & \
392 XVIDC_EDID_EST_TIMINGS_I_640x480_67_MASK) != 0)
393 #define XVidC_EdidSuppEstTimings640x480_72(E) \
394 ((E[XVIDC_EDID_EST_TIMINGS_I] & \
395 XVIDC_EDID_EST_TIMINGS_I_640x480_72_MASK) != 0)
396 #define XVidC_EdidSuppEstTimings640x480_75(E) \
397 ((E[XVIDC_EDID_EST_TIMINGS_I] & \
398 XVIDC_EDID_EST_TIMINGS_I_640x480_75_MASK) != 0)
399 #define XVidC_EdidSuppEstTimings800x600_56(E) \
400 ((E[XVIDC_EDID_EST_TIMINGS_I] & \
401 XVIDC_EDID_EST_TIMINGS_I_800x600_56_MASK) != 0)
402 #define XVidC_EdidSuppEstTimings800x600_60(E) \
403 ((E[XVIDC_EDID_EST_TIMINGS_I] & \
404 XVIDC_EDID_EST_TIMINGS_I_800x600_60_MASK) != 0)
405 #define XVidC_EdidSuppEstTimings800x600_72(E) \
406 ((E[XVIDC_EDID_EST_TIMINGS_II] & \
407 XVIDC_EDID_EST_TIMINGS_II_800x600_72_MASK) != 0)
408 #define XVidC_EdidSuppEstTimings800x600_75(E) \
409 ((E[XVIDC_EDID_EST_TIMINGS_II] & \
410 XVIDC_EDID_EST_TIMINGS_II_800x600_75_MASK) != 0)
411 #define XVidC_EdidSuppEstTimings832x624_75(E) \
412 ((E[XVIDC_EDID_EST_TIMINGS_II] & \
413 XVIDC_EDID_EST_TIMINGS_II_832x624_75_MASK) != 0)
414 #define XVidC_EdidSuppEstTimings1024x768_87(E) \
415 ((E[XVIDC_EDID_EST_TIMINGS_II] & \
416 XVIDC_EDID_EST_TIMINGS_II_1024x768_87_MASK) != 0)
417 #define XVidC_EdidSuppEstTimings1024x768_60(E) \
418 ((E[XVIDC_EDID_EST_TIMINGS_II] & \
419 XVIDC_EDID_EST_TIMINGS_II_1024x768_60_MASK) != 0)
420 #define XVidC_EdidSuppEstTimings1024x768_70(E) \
421 ((E[XVIDC_EDID_EST_TIMINGS_II] & \
422 XVIDC_EDID_EST_TIMINGS_II_1024x768_70_MASK) != 0)
423 #define XVidC_EdidSuppEstTimings1024x768_75(E) \
424 ((E[XVIDC_EDID_EST_TIMINGS_II] & \
425 XVIDC_EDID_EST_TIMINGS_II_1024x768_75_MASK) != 0)
426 #define XVidC_EdidSuppEstTimings1280x1024_75(E) \
427 ((E[XVIDC_EDID_EST_TIMINGS_II] & \
428 XVIDC_EDID_EST_TIMINGS_II_1280x1024_75_MASK) != 0)
429 #define XVidC_EdidSuppEstTimings1152x870_75(E) \
430 ((E[XVIDC_EDID_EST_TIMINGS_MAN] & \
431 XVIDC_EDID_EST_TIMINGS_MAN_1152x870_75_MASK) != 0)
432 #define XVidC_EdidGetTimingsMan(E) \
433 (E[XVIDC_EDID_EST_TIMINGS_MAN] & XVIDC_EDID_EST_TIMINGS_MAN_MASK)
435 /* Standard timings. */
436 #define XVidC_EdidGetStdTimingsH(E, N) \
437 ((E[XVIDC_EDID_STD_TIMINGS_H(N)] + 31) * 8)
438 #define XVidC_EdidGetStdTimingsAr(E, N) \
439 (E[XVIDC_EDID_STD_TIMINGS_AR_FRR(N)] >> XVIDC_EDID_STD_TIMINGS_AR_SHIFT)
440 #define XVidC_EdidGetStdTimingsFrr(E, N) \
441 ((E[XVIDC_EDID_STD_TIMINGS_AR_FRR(N)] & \
442 XVIDC_EDID_STD_TIMINGS_FRR_MASK) + 60)
443 /* u16 XVidC_EdidGetStdTimingsV(const u8 *EdidRaw, u8 StdTimingsNum); */
444 #define XVidC_EdidIsDtdPtmInterlaced(E) \
445 ((E[XVIDC_EDID_PTM + XVIDC_EDID_DTD_PTM_SIGNAL] & \
446 XVIDC_EDID_DTD_PTM_SIGNAL_INTERLACED_MASK) >> \
447 XVIDC_EDID_DTD_PTM_SIGNAL_INTERLACED_SHIFT)
449 /* Extension block count. */
450 #define XVidC_EdidGetExtBlkCount(E) (E[XVIDC_EDID_EXT_BLK_COUNT])
453 #define XVidC_EdidGetChecksum(E) (E[XVIDC_EDID_CHECKSUM])
455 /**************************** Function Prototypes *****************************/
457 /* Vendor and product identification: ID manufacturer name. */
458 void XVidC_EdidGetManName(const u8 *EdidRaw, char ManName[4]);
460 /* Basic display parameters and features: Video input definition. */
461 XVidC_ColorDepth XVidC_EdidGetColorDepth(const u8 *EdidRaw);
463 /* Color characteristics (display x,y chromaticity coordinates). */
464 int XVidC_EdidGetCcRedX(const u8 *EdidRaw);
465 int XVidC_EdidGetCcRedY(const u8 *EdidRaw);
466 int XVidC_EdidGetCcGreenX(const u8 *EdidRaw);
467 int XVidC_EdidGetCcGreenY(const u8 *EdidRaw);
468 int XVidC_EdidGetCcBlueX(const u8 *EdidRaw);
469 int XVidC_EdidGetCcBlueY(const u8 *EdidRaw);
470 int XVidC_EdidGetCcWhiteX(const u8 *EdidRaw);
471 int XVidC_EdidGetCcWhiteY(const u8 *EdidRaw);
473 /* Standard timings. */
474 u16 XVidC_EdidGetStdTimingsV(const u8 *EdidRaw, u8 StdTimingsNum);
476 /* Utility functions. */
477 u32 XVidC_EdidIsVideoTimingSupported(const u8 *EdidRaw,
478 const XVidC_VideoTimingMode *VtMode);
483 #endif /* XVIDC_EDID_H_ */