From f2e4d6a58cafb219b1850c3db1238887109cd94d Mon Sep 17 00:00:00 2001
From: Marek Vasut <marex@denx.de>
Date: Tue, 16 Dec 2014 14:09:22 +0100
Subject: arm: mx6: novena: Pull video handling into separate file

Pull all of the video handling into a separate file, since a lot
more code will be added and such code would polute the board file.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Nikita Kiryanov <nikita@compulab.co.il>
Cc: Sean Cross <xobs@kosagi.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Tim Harvey <tharvey@gateworks.com>
---
 board/kosagi/novena/video.c | 102 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 102 insertions(+)
 create mode 100644 board/kosagi/novena/video.c

(limited to 'board/kosagi/novena/video.c')

diff --git a/board/kosagi/novena/video.c b/board/kosagi/novena/video.c
new file mode 100644
index 0000000..fdcd100
--- /dev/null
+++ b/board/kosagi/novena/video.c
@@ -0,0 +1,102 @@
+/*
+ * Novena video output support
+ *
+ * Copyright (C) 2014 Marek Vasut <marex@denx.de>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/errno.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/mxc_hdmi.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/imx-common/iomux-v3.h>
+#include <asm/imx-common/mxc_i2c.h>
+#include <asm/imx-common/video.h>
+#include <i2c.h>
+#include <input.h>
+#include <ipu_pixfmt.h>
+#include <linux/fb.h>
+#include <linux/input.h>
+#include <malloc.h>
+#include <stdio_dev.h>
+
+#include "novena.h"
+
+static void enable_hdmi(struct display_info_t const *dev)
+{
+	imx_enable_hdmi_phy();
+}
+
+struct display_info_t const displays[] = {
+	{
+		/* HDMI Output */
+		.bus	= -1,
+		.addr	= 0,
+		.pixfmt	= IPU_PIX_FMT_RGB24,
+		.detect	= detect_hdmi,
+		.enable	= enable_hdmi,
+		.mode	= {
+			.name		= "HDMI",
+			.refresh	= 60,
+			.xres		= 1024,
+			.yres		= 768,
+			.pixclock	= 15384,
+			.left_margin	= 220,
+			.right_margin	= 40,
+			.upper_margin	= 21,
+			.lower_margin	= 7,
+			.hsync_len	= 60,
+			.vsync_len	= 10,
+			.sync		= FB_SYNC_EXT,
+			.vmode		= FB_VMODE_NONINTERLACED
+		},
+	},
+};
+
+size_t display_count = ARRAY_SIZE(displays);
+
+void setup_display_clock(void)
+{
+	struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+	struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
+
+	enable_ipu_clock();
+	imx_setup_hdmi();
+
+	/* Turn on LDB0,IPU,IPU DI0 clocks */
+	setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK);
+
+	/* set LDB0, LDB1 clk select to 011/011 */
+	clrsetbits_le32(&mxc_ccm->cs2cdr,
+			MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK |
+			MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK,
+			(3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) |
+			(3 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET));
+
+	setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV);
+
+	setbits_le32(&mxc_ccm->chsccdr, CHSCCDR_CLK_SEL_LDB_DI0 <<
+		     MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET);
+
+	writel(IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES |
+	       IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_HIGH |
+	       IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW |
+	       IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG |
+	       IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT |
+	       IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG |
+	       IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT |
+	       IOMUXC_GPR2_LVDS_CH1_MODE_DISABLED |
+	       IOMUXC_GPR2_LVDS_CH0_MODE_ENABLED_DI0,
+	       &iomux->gpr[2]);
+
+	clrsetbits_le32(&iomux->gpr[3], IOMUXC_GPR3_LVDS0_MUX_CTL_MASK,
+			IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<
+			IOMUXC_GPR3_LVDS0_MUX_CTL_OFFSET);
+}
-- 
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