add via modify part source code for wm8880 4.4 kitkat

1 files changed, 168 insertions, 0 deletions

diff --git a/ANDROID_3.4.5/drivers/video/wmt/edid.h b/ANDROID_3.4.5/drivers/video/wmt/edid.h
new file mode 100755
index 00000000..b476a780
--- /dev/null
+++ b/ANDROID_3.4.5/drivers/video/wmt/edid.h
@@ -0,0 +1,168 @@
+/*++
+ * linux/drivers/video/wmt/edid.h
+ * WonderMedia video post processor (VPP) driver
+ *
+ * Copyright c 2014  WonderMedia  Technologies, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * WonderMedia Technologies, Inc.
+ * 4F, 533, Chung-Cheng Road, Hsin-Tien, Taipei 231, R.O.C
+--*/
+
+#ifndef EDID_H
+#define EDID_H
+
+#define EDID_BLOCK_MAX	4
+
+/*------------------------------------------------------------------------------
+    Following definitions, please refer spec of EDID. You may refer it on
+    http://en.wikipedia.org/wiki/EDID#EDID_1.3_data_format
+------------------------------------------------------------------------------*/
+
+#define EDID_LENGTH	0x80
+
+/*------------------------------------------------------------------------------
+  Offset 00-19: HEADER INFORMATION
+------------------------------------------------------------------------------*/
+/*  00¡V07: Header information "00h FFh FFh FFh FFh FFh FFh 00h" */
+#define EDID_HEADER	0x00
+#define EDID_HEADER_END	0x07
+
+/* 08¡V09: Manufacturer ID. These IDs are assigned by Microsoft.
+	"00001=A¡¨; ¡§00010=B¡¨; ... ¡§11010=Z¡¨. Bit 7 (at address 08h) is 0,
+	the first character (letter) is located at bits 6 ¡÷ 2
+	(at address 08h), the second character (letter) is located at
+	bits 1 & 0 (at address 08h) and bits 7 ¡÷ 5 (at address 09h), and the
+	third character (letter) is located at bits 4 ¡÷ 0 (at address 09h).
+*/
+#define ID_MANUFACTURER_NAME		0x08
+#define ID_MANUFACTURER_NAME_END	0x09
+
+/*  10¡V11: Product ID Code (stored as LSB first). Assigned by manufacturer */
+#define ID_MODEL	0x0a
+
+/*  12¡V15: 32-bit Serial Number. No requirement for the format. Usually
+	stored as LSB first. In order to maintain compatibility with previous
+	requirements the field should set at least one byte of the field to be
+	non-zero if an ASCII serial number descriptor is
+	provided in the detailed timing section.
+*/
+#define ID_SERIAL_NUMBER	0x0c
+
+/* 16: Week of Manufacture. This varies by manufacturer. One way is to count
+	January 1-7 as week 1, January 8-15 as week 2 and so on. Some count
+	based on the week number (Sunday-Saturday). Valid range is 1-54.
+	17: Year of Manufacture. Add 1990 to the value for actual year. */
+#define MANUFACTURE_WEEK	0x10
+#define MANUFACTURE_YEAR	0x11
+
+/*	18: EDID Version Number. "01h"
+	19: EDID Revision Number "03h" */
+#define EDID_STRUCT_VERSION	0x12
+#define EDID_STRUCT_REVISION	0x13
+
+#define EDID_MAX_HOR_IMAGE_SIZE 0x15
+#define EDID_MAX_VER_IMAGE_SIZE 0x16
+
+/*------------------------------------------------------------------------------
+  Offset 20-24: BASIC DISPLAY PARAMETERS
+------------------------------------------------------------------------------*/
+#define DPMS_FLAGS		0x18
+#define ESTABLISHED_TIMING_I	0x23
+#define ESTABLISHED_TIMING_II	0x24
+#define MANUFACTURERS_TIMINGS	0x25
+
+#define STANDARD_TIMING_IDENTIFICATION_START	0x26
+#define STANDARD_TIMING_IDENTIFICATION_SIZE	16
+
+#define DETAILED_TIMING_DESCRIPTIONS_START	0x36
+#define DETAILED_TIMING_DESCRIPTION_SIZE	18
+#define NO_DETAILED_TIMING_DESCRIPTIONS		4
+
+#define DETAILED_TIMING_DESCRIPTION_1		0x36
+#define DETAILED_TIMING_DESCRIPTION_2		0x48
+#define DETAILED_TIMING_DESCRIPTION_3		0x5a
+#define DETAILED_TIMING_DESCRIPTION_4		0x6c
+
+#define EDID_TMR_INTERLACE	BIT(31)
+#define EDID_TMR_FREQ		0xFF
+struct edid_timing_t {
+	unsigned int resx;
+	unsigned int resy;
+	int freq;	/* EDID_TMR_XXX */
+};
+
+struct vic_3d_t {
+	char vic;
+	unsigned int mask;
+};
+
+/* EDID option flag */
+#define EDID_OPT_VALID		0x01
+#define EDID_OPT_YUV422		0x10
+#define EDID_OPT_YUV444		0x20
+#define EDID_OPT_AUDIO		0x40
+#define EDID_OPT_UNDERSCAN	0x80
+#define EDID_OPT_HDMI		0x100
+#define EDID_OPT_3D		BIT(9)
+#define EDID_OPT_16_9		BIT(10)
+
+struct edid_info_t {
+	unsigned int establish_timing;
+	struct edid_timing_t standard_timing[8];
+	struct fb_videomode detail_timing[4];
+	struct fb_videomode cea_timing[6];
+	char cea_vic[8];
+	struct vic_3d_t vic_3d[16];
+	unsigned int pixel_clock_limit;
+	unsigned int option;
+	unsigned short hdmi_phy_addr;
+	int width;
+	int height;
+};
+
+#define VENDOR_NAME_LEN              4
+#define MONITOR_NAME_LEN             20
+#define AUD_SAD_NUM                  32
+struct sad_t {
+	char flag; /* 0: sad available, 1: sad invalid */
+	char sad_byte[3];
+};
+
+struct tv_name_t{
+	char vendor_name[VENDOR_NAME_LEN];
+	char monitor_name[MONITOR_NAME_LEN];
+};
+
+struct edid_parsed_t {
+        struct tv_name_t tv_name;
+	struct sad_t sad[AUD_SAD_NUM];
+};
+
+extern struct edid_info_t edid_info;
+extern int edid_msg_enable;
+extern int edid_disable;
+extern struct edid_parsed_t edid_parsed;
+
+extern int edid_parse(char *edid, struct edid_info_t *info);
+extern int edid_find_support(struct edid_info_t *info, unsigned int resx,
+	unsigned int resy, int freq, struct fb_videomode **vmode);
+extern void edid_dump(char *edid);
+extern int edid_checksum(char *edid, int len);
+extern unsigned int edid_get_hdmi_phy_addr(void);
+extern unsigned int edid_get_hdmi_3d_mask(struct edid_info_t *info,
+	int vic);
+
+#endif