[PATCH] Enable DSS driver for Beagle

[Syed Mohammed Khasim]

Configures DSS to display color bar on Svideo
Configures DSS to display background color on DVID

Signed-off-by: Syed Mohammed Khasim <khasim at ti.com>
---
 board/ti/beagle/beagle.c       |   12 ++++++
 board/ti/beagle/beagle.h       |   75 ++++++++++++++++++++++++++++++++++++++++
 include/configs/omap3_beagle.h |    1 +
 3 files changed, 88 insertions(+), 0 deletions(-)

diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c
index 0def5a6..02e90b5 100644
--- a/board/ti/beagle/beagle.c
+++ b/board/ti/beagle/beagle.c
@@ -114,6 +114,16 @@ void beagle_identify(void)
 }

 /*
+ * Configure DSS to display background color on DVID
+ * Configure VENC to display color bar on S-Video
+ */
+void display_init(void)
+{
+	omap3_dss_venc_config(&venc_config_std_tv, VENC_HEIGHT, VENC_WIDTH);
+	omap3_dss_panel_config(&dvid_cfg);
+}
+
+/*
  * Routine: misc_init_r
  * Description: Configure board specific parts
  */
@@ -124,6 +134,7 @@ int misc_init_r(void)

 	twl4030_power_init();
 	twl4030_led_init();
+	display_init();

 	/* Configure GPIOs to output */
 	writel(~(GPIO23 | GPIO10 | GPIO8 | GPIO2 | GPIO1), &gpio6_base->oe);
@@ -139,6 +150,7 @@ int misc_init_r(void)
 	beagle_identify();

 	dieid_num_r();
+	omap3_dss_enable();

 	return 0;
 }
diff --git a/board/ti/beagle/beagle.h b/board/ti/beagle/beagle.h
index b1720c9..8f9eb50 100644
--- a/board/ti/beagle/beagle.h
+++ b/board/ti/beagle/beagle.h
@@ -23,6 +23,8 @@
 #ifndef _BEAGLE_H_
 #define _BEAGLE_H_

+#include <asm/arch/dss.h>
+
 const omap3_sysinfo sysinfo = {
 	DDR_STACKED,
 	"OMAP3 Beagle board",
@@ -385,4 +387,77 @@ const omap3_sysinfo sysinfo = {
 	MUX_VAL(CP(UART2_RTS),		(IDIS | PTD | DIS | M0)) /*UART2_RTS*/\
 	MUX_VAL(CP(UART2_TX),		(IDIS | PTD | DIS | M0)) /*UART2_TX*/

+/*
+ * Display Configuration
+ */
+
+#define DVI_BEAGLE_ORANGE_COL		0x00FF8000
+#define VENC_HEIGHT			0x00ef
+#define VENC_WIDTH			0x027f
+
+/*
+ * Configure VENC in DSS for Beagle to generate Color Bar
+ *
+ * Kindly refer to OMAP TRM for definition of these values.
+ */
+static const struct venc_regs venc_config_std_tv = {
+	.status					= 0x0000001B,
+	.f_control				= 0x00000040,
+	.vidout_ctrl				= 0x00000000,
+	.sync_ctrl				= 0x00008000,
+	.llen					= 0x00008359,
+	.flens					= 0x0000020C,
+	.hfltr_ctrl				= 0x00000000,
+	.cc_carr_wss_carr			= 0x043F2631,
+	.c_phase				= 0x00000024,
+	.gain_u					= 0x00000130,
+	.gain_v					= 0x00000198,
+	.gain_y					= 0x000001C0,
+	.black_level				= 0x0000006A,
+	.blank_level				= 0x0000005C,
+	.x_color				= 0x00000000,
+	.m_control				= 0x00000001,
+	.bstamp_wss_data			= 0x0000003F,
+	.s_carr					= 0x21F07C1F,
+	.line21					= 0x00000000,
+	.ln_sel					= 0x00000015,
+	.l21__wc_ctl				= 0x00001400,
+	.htrigger_vtrigger			= 0x00000000,
+	.savid__eavid				= 0x069300F4,
+	.flen__fal				= 0x0016020C,
+	.lal__phase_reset			= 0x00060107,
+	.hs_int_start_stop_x			= 0x008D034E,
+	.hs_ext_start_stop_x			= 0x000F0359,
+	.vs_int_start_x				= 0x01A00000,
+	.vs_int_stop_x__vs_int_start_y		= 0x020501A0,
+	.vs_int_stop_y__vs_ext_start_x		= 0x01AC0024,
+	.vs_ext_stop_x__vs_ext_start_y		= 0x020D01AC,
+	.vs_ext_stop_y				= 0x00000006,
+	.avid_start_stop_x			= 0x03480079,
+	.avid_start_stop_y			= 0x02040024,
+	.fid_int_start_x__fid_int_start_y	= 0x0001008A,
+	.fid_int_offset_y__fid_ext_start_x	= 0x01AC0106,
+	.fid_ext_start_y__fid_ext_offset_y	= 0x01060006,
+	.tvdetgp_int_start_stop_x		= 0x00140001,
+	.tvdetgp_int_start_stop_y		= 0x00010001,
+	.gen_ctrl				= 0x00FF0000,
+	.output_control				= 0x0000000D,
+	.dac_b__dac_c				= 0x00000000
+};
+
+/*
+ * Configure Timings for DVI D
+ */
+static const struct panel_config dvid_cfg = {
+	.timing_h	= 0x0ff03f31, /* Horizantal timing */
+	.timing_v	= 0x01400504, /* Vertical timing */
+	.pol_freq	= 0x00007028, /* Pol Freq */
+	.divisor	= 0x00010006, /* 72Mhz Pixel Clock */
+	.lcd_size	= 0x02ff03ff, /* 1024x768 */
+	.panel_type	= 0x01, /* TFT */
+	.data_lines	= 0x03, /* 24 Bit RGB */
+	.load_mode	= 0x02, /* Frame Mode */
+	.panel_color	= DVI_BEAGLE_ORANGE_COL /* ORANGE */
+};
+
 #endif
diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h
index ff6d432..2c15df9 100644
--- a/include/configs/omap3_beagle.h
+++ b/include/configs/omap3_beagle.h
@@ -120,6 +120,7 @@
 #define CONFIG_CMD_I2C		/* I2C serial bus support	*/
 #define CONFIG_CMD_MMC		/* MMC support			*/
 #define CONFIG_CMD_NAND		/* NAND support			*/
+#define CONFIG_VIDEO_OMAP3      /* DSS Support                  */

 #undef CONFIG_CMD_FLASH		/* flinfo, erase, protect	*/
 #undef CONFIG_CMD_FPGA		/* FPGA configuration Support	*/
-- 
1.5.6.3