Linux-libre 4.5-gnu

1 files changed, 0 insertions, 899 deletions

diff --git a/drivers/video/fbdev/omap2/dss/dpi.c b/drivers/video/fbdev/omap2/dss/dpi.c
deleted file mode 100644
index fb45b6432..000000000
--- a/drivers/video/fbdev/omap2/dss/dpi.c
+++ /dev/null
@@ -1,899 +0,0 @@
-/*
- * linux/drivers/video/omap2/dss/dpi.c
- *
- * Copyright (C) 2009 Nokia Corporation
- * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
- *
- * Some code and ideas taken from drivers/video/omap/ driver
- * by Imre Deak.
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published by
- * the Free Software Foundation.
- *
- * 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/>.
- */
-
-#define DSS_SUBSYS_NAME "DPI"
-
-#include <linux/kernel.h>
-#include <linux/delay.h>
-#include <linux/export.h>
-#include <linux/err.h>
-#include <linux/errno.h>
-#include <linux/platform_device.h>
-#include <linux/regulator/consumer.h>
-#include <linux/string.h>
-#include <linux/of.h>
-#include <linux/clk.h>
-#include <linux/component.h>
-
-#include <video/omapdss.h>
-
-#include "dss.h"
-#include "dss_features.h"
-
-#define HSDIV_DISPC	0
-
-struct dpi_data {
-	struct platform_device *pdev;
-
-	struct regulator *vdds_dsi_reg;
-	struct dss_pll *pll;
-
-	struct mutex lock;
-
-	struct omap_video_timings timings;
-	struct dss_lcd_mgr_config mgr_config;
-	int data_lines;
-
-	struct omap_dss_device output;
-
-	bool port_initialized;
-};
-
-static struct dpi_data *dpi_get_data_from_dssdev(struct omap_dss_device *dssdev)
-{
-	return container_of(dssdev, struct dpi_data, output);
-}
-
-/* only used in non-DT mode */
-static struct dpi_data *dpi_get_data_from_pdev(struct platform_device *pdev)
-{
-	return dev_get_drvdata(&pdev->dev);
-}
-
-static struct dss_pll *dpi_get_pll(enum omap_channel channel)
-{
-	/*
-	 * XXX we can't currently use DSI PLL for DPI with OMAP3, as the DSI PLL
-	 * would also be used for DISPC fclk. Meaning, when the DPI output is
-	 * disabled, DISPC clock will be disabled, and TV out will stop.
-	 */
-	switch (omapdss_get_version()) {
-	case OMAPDSS_VER_OMAP24xx:
-	case OMAPDSS_VER_OMAP34xx_ES1:
-	case OMAPDSS_VER_OMAP34xx_ES3:
-	case OMAPDSS_VER_OMAP3630:
-	case OMAPDSS_VER_AM35xx:
-	case OMAPDSS_VER_AM43xx:
-		return NULL;
-
-	case OMAPDSS_VER_OMAP4430_ES1:
-	case OMAPDSS_VER_OMAP4430_ES2:
-	case OMAPDSS_VER_OMAP4:
-		switch (channel) {
-		case OMAP_DSS_CHANNEL_LCD:
-			return dss_pll_find("dsi0");
-		case OMAP_DSS_CHANNEL_LCD2:
-			return dss_pll_find("dsi1");
-		default:
-			return NULL;
-		}
-
-	case OMAPDSS_VER_OMAP5:
-		switch (channel) {
-		case OMAP_DSS_CHANNEL_LCD:
-			return dss_pll_find("dsi0");
-		case OMAP_DSS_CHANNEL_LCD3:
-			return dss_pll_find("dsi1");
-		default:
-			return NULL;
-		}
-
-	case OMAPDSS_VER_DRA7xx:
-		switch (channel) {
-		case OMAP_DSS_CHANNEL_LCD:
-		case OMAP_DSS_CHANNEL_LCD2:
-			return dss_pll_find("video0");
-		case OMAP_DSS_CHANNEL_LCD3:
-			return dss_pll_find("video1");
-		default:
-			return NULL;
-		}
-
-	default:
-		return NULL;
-	}
-}
-
-static enum omap_dss_clk_source dpi_get_alt_clk_src(enum omap_channel channel)
-{
-	switch (channel) {
-	case OMAP_DSS_CHANNEL_LCD:
-		return OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC;
-	case OMAP_DSS_CHANNEL_LCD2:
-		return OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC;
-	case OMAP_DSS_CHANNEL_LCD3:
-		return OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC;
-	default:
-		/* this shouldn't happen */
-		WARN_ON(1);
-		return OMAP_DSS_CLK_SRC_FCK;
-	}
-}
-
-struct dpi_clk_calc_ctx {
-	struct dss_pll *pll;
-
-	/* inputs */
-
-	unsigned long pck_min, pck_max;
-
-	/* outputs */
-
-	struct dss_pll_clock_info dsi_cinfo;
-	unsigned long fck;
-	struct dispc_clock_info dispc_cinfo;
-};
-
-static bool dpi_calc_dispc_cb(int lckd, int pckd, unsigned long lck,
-		unsigned long pck, void *data)
-{
-	struct dpi_clk_calc_ctx *ctx = data;
-
-	/*
-	 * Odd dividers give us uneven duty cycle, causing problem when level
-	 * shifted. So skip all odd dividers when the pixel clock is on the
-	 * higher side.
-	 */
-	if (ctx->pck_min >= 100000000) {
-		if (lckd > 1 && lckd % 2 != 0)
-			return false;
-
-		if (pckd > 1 && pckd % 2 != 0)
-			return false;
-	}
-
-	ctx->dispc_cinfo.lck_div = lckd;
-	ctx->dispc_cinfo.pck_div = pckd;
-	ctx->dispc_cinfo.lck = lck;
-	ctx->dispc_cinfo.pck = pck;
-
-	return true;
-}
-
-
-static bool dpi_calc_hsdiv_cb(int m_dispc, unsigned long dispc,
-		void *data)
-{
-	struct dpi_clk_calc_ctx *ctx = data;
-
-	/*
-	 * Odd dividers give us uneven duty cycle, causing problem when level
-	 * shifted. So skip all odd dividers when the pixel clock is on the
-	 * higher side.
-	 */
-	if (m_dispc > 1 && m_dispc % 2 != 0 && ctx->pck_min >= 100000000)
-		return false;
-
-	ctx->dsi_cinfo.mX[HSDIV_DISPC] = m_dispc;
-	ctx->dsi_cinfo.clkout[HSDIV_DISPC] = dispc;
-
-	return dispc_div_calc(dispc, ctx->pck_min, ctx->pck_max,
-			dpi_calc_dispc_cb, ctx);
-}
-
-
-static bool dpi_calc_pll_cb(int n, int m, unsigned long fint,
-		unsigned long clkdco,
-		void *data)
-{
-	struct dpi_clk_calc_ctx *ctx = data;
-
-	ctx->dsi_cinfo.n = n;
-	ctx->dsi_cinfo.m = m;
-	ctx->dsi_cinfo.fint = fint;
-	ctx->dsi_cinfo.clkdco = clkdco;
-
-	return dss_pll_hsdiv_calc(ctx->pll, clkdco,
-		ctx->pck_min, dss_feat_get_param_max(FEAT_PARAM_DSS_FCK),
-		dpi_calc_hsdiv_cb, ctx);
-}
-
-static bool dpi_calc_dss_cb(unsigned long fck, void *data)
-{
-	struct dpi_clk_calc_ctx *ctx = data;
-
-	ctx->fck = fck;
-
-	return dispc_div_calc(fck, ctx->pck_min, ctx->pck_max,
-			dpi_calc_dispc_cb, ctx);
-}
-
-static bool dpi_dsi_clk_calc(struct dpi_data *dpi, unsigned long pck,
-		struct dpi_clk_calc_ctx *ctx)
-{
-	unsigned long clkin;
-	unsigned long pll_min, pll_max;
-
-	memset(ctx, 0, sizeof(*ctx));
-	ctx->pll = dpi->pll;
-	ctx->pck_min = pck - 1000;
-	ctx->pck_max = pck + 1000;
-
-	pll_min = 0;
-	pll_max = 0;
-
-	clkin = clk_get_rate(ctx->pll->clkin);
-
-	return dss_pll_calc(ctx->pll, clkin,
-			pll_min, pll_max,
-			dpi_calc_pll_cb, ctx);
-}
-
-static bool dpi_dss_clk_calc(unsigned long pck, struct dpi_clk_calc_ctx *ctx)
-{
-	int i;
-
-	/*
-	 * DSS fck gives us very few possibilities, so finding a good pixel
-	 * clock may not be possible. We try multiple times to find the clock,
-	 * each time widening the pixel clock range we look for, up to
-	 * +/- ~15MHz.
-	 */
-
-	for (i = 0; i < 25; ++i) {
-		bool ok;
-
-		memset(ctx, 0, sizeof(*ctx));
-		if (pck > 1000 * i * i * i)
-			ctx->pck_min = max(pck - 1000 * i * i * i, 0lu);
-		else
-			ctx->pck_min = 0;
-		ctx->pck_max = pck + 1000 * i * i * i;
-
-		ok = dss_div_calc(pck, ctx->pck_min, dpi_calc_dss_cb, ctx);
-		if (ok)
-			return ok;
-	}
-
-	return false;
-}
-
-
-
-static int dpi_set_dsi_clk(struct dpi_data *dpi, enum omap_channel channel,
-		unsigned long pck_req, unsigned long *fck, int *lck_div,
-		int *pck_div)
-{
-	struct dpi_clk_calc_ctx ctx;
-	int r;
-	bool ok;
-
-	ok = dpi_dsi_clk_calc(dpi, pck_req, &ctx);
-	if (!ok)
-		return -EINVAL;
-
-	r = dss_pll_set_config(dpi->pll, &ctx.dsi_cinfo);
-	if (r)
-		return r;
-
-	dss_select_lcd_clk_source(channel,
-			dpi_get_alt_clk_src(channel));
-
-	dpi->mgr_config.clock_info = ctx.dispc_cinfo;
-
-	*fck = ctx.dsi_cinfo.clkout[HSDIV_DISPC];
-	*lck_div = ctx.dispc_cinfo.lck_div;
-	*pck_div = ctx.dispc_cinfo.pck_div;
-
-	return 0;
-}
-
-static int dpi_set_dispc_clk(struct dpi_data *dpi, unsigned long pck_req,
-		unsigned long *fck, int *lck_div, int *pck_div)
-{
-	struct dpi_clk_calc_ctx ctx;
-	int r;
-	bool ok;
-
-	ok = dpi_dss_clk_calc(pck_req, &ctx);
-	if (!ok)
-		return -EINVAL;
-
-	r = dss_set_fck_rate(ctx.fck);
-	if (r)
-		return r;
-
-	dpi->mgr_config.clock_info = ctx.dispc_cinfo;
-
-	*fck = ctx.fck;
-	*lck_div = ctx.dispc_cinfo.lck_div;
-	*pck_div = ctx.dispc_cinfo.pck_div;
-
-	return 0;
-}
-
-static int dpi_set_mode(struct dpi_data *dpi)
-{
-	struct omap_dss_device *out = &dpi->output;
-	struct omap_overlay_manager *mgr = out->manager;
-	struct omap_video_timings *t = &dpi->timings;
-	int lck_div = 0, pck_div = 0;
-	unsigned long fck = 0;
-	unsigned long pck;
-	int r = 0;
-
-	if (dpi->pll)
-		r = dpi_set_dsi_clk(dpi, mgr->id, t->pixelclock, &fck,
-				&lck_div, &pck_div);
-	else
-		r = dpi_set_dispc_clk(dpi, t->pixelclock, &fck,
-				&lck_div, &pck_div);
-	if (r)
-		return r;
-
-	pck = fck / lck_div / pck_div;
-
-	if (pck != t->pixelclock) {
-		DSSWARN("Could not find exact pixel clock. Requested %d Hz, got %lu Hz\n",
-			t->pixelclock, pck);
-
-		t->pixelclock = pck;
-	}
-
-	dss_mgr_set_timings(mgr, t);
-
-	return 0;
-}
-
-static void dpi_config_lcd_manager(struct dpi_data *dpi)
-{
-	struct omap_dss_device *out = &dpi->output;
-	struct omap_overlay_manager *mgr = out->manager;
-
-	dpi->mgr_config.io_pad_mode = DSS_IO_PAD_MODE_BYPASS;
-
-	dpi->mgr_config.stallmode = false;
-	dpi->mgr_config.fifohandcheck = false;
-
-	dpi->mgr_config.video_port_width = dpi->data_lines;
-
-	dpi->mgr_config.lcden_sig_polarity = 0;
-
-	dss_mgr_set_lcd_config(mgr, &dpi->mgr_config);
-}
-
-static int dpi_display_enable(struct omap_dss_device *dssdev)
-{
-	struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
-	struct omap_dss_device *out = &dpi->output;
-	int r;
-
-	mutex_lock(&dpi->lock);
-
-	if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI) && !dpi->vdds_dsi_reg) {
-		DSSERR("no VDSS_DSI regulator\n");
-		r = -ENODEV;
-		goto err_no_reg;
-	}
-
-	if (out == NULL || out->manager == NULL) {
-		DSSERR("failed to enable display: no output/manager\n");
-		r = -ENODEV;
-		goto err_no_out_mgr;
-	}
-
-	if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI)) {
-		r = regulator_enable(dpi->vdds_dsi_reg);
-		if (r)
-			goto err_reg_enable;
-	}
-
-	r = dispc_runtime_get();
-	if (r)
-		goto err_get_dispc;
-
-	r = dss_dpi_select_source(out->port_num, out->manager->id);
-	if (r)
-		goto err_src_sel;
-
-	if (dpi->pll) {
-		r = dss_pll_enable(dpi->pll);
-		if (r)
-			goto err_dsi_pll_init;
-	}
-
-	r = dpi_set_mode(dpi);
-	if (r)
-		goto err_set_mode;
-
-	dpi_config_lcd_manager(dpi);
-
-	mdelay(2);
-
-	r = dss_mgr_enable(out->manager);
-	if (r)
-		goto err_mgr_enable;
-
-	mutex_unlock(&dpi->lock);
-
-	return 0;
-
-err_mgr_enable:
-err_set_mode:
-	if (dpi->pll)
-		dss_pll_disable(dpi->pll);
-err_dsi_pll_init:
-err_src_sel:
-	dispc_runtime_put();
-err_get_dispc:
-	if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI))
-		regulator_disable(dpi->vdds_dsi_reg);
-err_reg_enable:
-err_no_out_mgr:
-err_no_reg:
-	mutex_unlock(&dpi->lock);
-	return r;
-}
-
-static void dpi_display_disable(struct omap_dss_device *dssdev)
-{
-	struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
-	struct omap_overlay_manager *mgr = dpi->output.manager;
-
-	mutex_lock(&dpi->lock);
-
-	dss_mgr_disable(mgr);
-
-	if (dpi->pll) {
-		dss_select_lcd_clk_source(mgr->id, OMAP_DSS_CLK_SRC_FCK);
-		dss_pll_disable(dpi->pll);
-	}
-
-	dispc_runtime_put();
-
-	if (dss_has_feature(FEAT_DPI_USES_VDDS_DSI))
-		regulator_disable(dpi->vdds_dsi_reg);
-
-	mutex_unlock(&dpi->lock);
-}
-
-static void dpi_set_timings(struct omap_dss_device *dssdev,
-		struct omap_video_timings *timings)
-{
-	struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
-
-	DSSDBG("dpi_set_timings\n");
-
-	mutex_lock(&dpi->lock);
-
-	dpi->timings = *timings;
-
-	mutex_unlock(&dpi->lock);
-}
-
-static void dpi_get_timings(struct omap_dss_device *dssdev,
-		struct omap_video_timings *timings)
-{
-	struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
-
-	mutex_lock(&dpi->lock);
-
-	*timings = dpi->timings;
-
-	mutex_unlock(&dpi->lock);
-}
-
-static int dpi_check_timings(struct omap_dss_device *dssdev,
-			struct omap_video_timings *timings)
-{
-	struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
-	struct omap_overlay_manager *mgr = dpi->output.manager;
-	int lck_div, pck_div;
-	unsigned long fck;
-	unsigned long pck;
-	struct dpi_clk_calc_ctx ctx;
-	bool ok;
-
-	if (mgr && !dispc_mgr_timings_ok(mgr->id, timings))
-		return -EINVAL;
-
-	if (timings->pixelclock == 0)
-		return -EINVAL;
-
-	if (dpi->pll) {
-		ok = dpi_dsi_clk_calc(dpi, timings->pixelclock, &ctx);
-		if (!ok)
-			return -EINVAL;
-
-		fck = ctx.dsi_cinfo.clkout[HSDIV_DISPC];
-	} else {
-		ok = dpi_dss_clk_calc(timings->pixelclock, &ctx);
-		if (!ok)
-			return -EINVAL;
-
-		fck = ctx.fck;
-	}
-
-	lck_div = ctx.dispc_cinfo.lck_div;
-	pck_div = ctx.dispc_cinfo.pck_div;
-
-	pck = fck / lck_div / pck_div;
-
-	timings->pixelclock = pck;
-
-	return 0;
-}
-
-static void dpi_set_data_lines(struct omap_dss_device *dssdev, int data_lines)
-{
-	struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
-
-	mutex_lock(&dpi->lock);
-
-	dpi->data_lines = data_lines;
-
-	mutex_unlock(&dpi->lock);
-}
-
-static int dpi_verify_dsi_pll(struct dss_pll *pll)
-{
-	int r;
-
-	/* do initial setup with the PLL to see if it is operational */
-
-	r = dss_pll_enable(pll);
-	if (r)
-		return r;
-
-	dss_pll_disable(pll);
-
-	return 0;
-}
-
-static int dpi_init_regulator(struct dpi_data *dpi)
-{
-	struct regulator *vdds_dsi;
-
-	if (!dss_has_feature(FEAT_DPI_USES_VDDS_DSI))
-		return 0;
-
-	if (dpi->vdds_dsi_reg)
-		return 0;
-
-	vdds_dsi = devm_regulator_get(&dpi->pdev->dev, "vdds_dsi");
-	if (IS_ERR(vdds_dsi)) {
-		if (PTR_ERR(vdds_dsi) != -EPROBE_DEFER)
-			DSSERR("can't get VDDS_DSI regulator\n");
-		return PTR_ERR(vdds_dsi);
-	}
-
-	dpi->vdds_dsi_reg = vdds_dsi;
-
-	return 0;
-}
-
-static void dpi_init_pll(struct dpi_data *dpi)
-{
-	struct dss_pll *pll;
-
-	if (dpi->pll)
-		return;
-
-	pll = dpi_get_pll(dpi->output.dispc_channel);
-	if (!pll)
-		return;
-
-	/* On DRA7 we need to set a mux to use the PLL */
-	if (omapdss_get_version() == OMAPDSS_VER_DRA7xx)
-		dss_ctrl_pll_set_control_mux(pll->id, dpi->output.dispc_channel);
-
-	if (dpi_verify_dsi_pll(pll)) {
-		DSSWARN("DSI PLL not operational\n");
-		return;
-	}
-
-	dpi->pll = pll;
-}
-
-/*
- * Return a hardcoded channel for the DPI output. This should work for
- * current use cases, but this can be later expanded to either resolve
- * the channel in some more dynamic manner, or get the channel as a user
- * parameter.
- */
-static enum omap_channel dpi_get_channel(int port_num)
-{
-	switch (omapdss_get_version()) {
-	case OMAPDSS_VER_OMAP24xx:
-	case OMAPDSS_VER_OMAP34xx_ES1:
-	case OMAPDSS_VER_OMAP34xx_ES3:
-	case OMAPDSS_VER_OMAP3630:
-	case OMAPDSS_VER_AM35xx:
-	case OMAPDSS_VER_AM43xx:
-		return OMAP_DSS_CHANNEL_LCD;
-
-	case OMAPDSS_VER_DRA7xx:
-		switch (port_num) {
-		case 2:
-			return OMAP_DSS_CHANNEL_LCD3;
-		case 1:
-			return OMAP_DSS_CHANNEL_LCD2;
-		case 0:
-		default:
-			return OMAP_DSS_CHANNEL_LCD;
-		}
-
-	case OMAPDSS_VER_OMAP4430_ES1:
-	case OMAPDSS_VER_OMAP4430_ES2:
-	case OMAPDSS_VER_OMAP4:
-		return OMAP_DSS_CHANNEL_LCD2;
-
-	case OMAPDSS_VER_OMAP5:
-		return OMAP_DSS_CHANNEL_LCD3;
-
-	default:
-		DSSWARN("unsupported DSS version\n");
-		return OMAP_DSS_CHANNEL_LCD;
-	}
-}
-
-static int dpi_connect(struct omap_dss_device *dssdev,
-		struct omap_dss_device *dst)
-{
-	struct dpi_data *dpi = dpi_get_data_from_dssdev(dssdev);
-	struct omap_overlay_manager *mgr;
-	int r;
-
-	r = dpi_init_regulator(dpi);
-	if (r)
-		return r;
-
-	dpi_init_pll(dpi);
-
-	mgr = omap_dss_get_overlay_manager(dssdev->dispc_channel);
-	if (!mgr)
-		return -ENODEV;
-
-	r = dss_mgr_connect(mgr, dssdev);
-	if (r)
-		return r;
-
-	r = omapdss_output_set_device(dssdev, dst);
-	if (r) {
-		DSSERR("failed to connect output to new device: %s\n",
-				dst->name);
-		dss_mgr_disconnect(mgr, dssdev);
-		return r;
-	}
-
-	return 0;
-}
-
-static void dpi_disconnect(struct omap_dss_device *dssdev,
-		struct omap_dss_device *dst)
-{
-	WARN_ON(dst != dssdev->dst);
-
-	if (dst != dssdev->dst)
-		return;
-
-	omapdss_output_unset_device(dssdev);
-
-	if (dssdev->manager)
-		dss_mgr_disconnect(dssdev->manager, dssdev);
-}
-
-static const struct omapdss_dpi_ops dpi_ops = {
-	.connect = dpi_connect,
-	.disconnect = dpi_disconnect,
-
-	.enable = dpi_display_enable,
-	.disable = dpi_display_disable,
-
-	.check_timings = dpi_check_timings,
-	.set_timings = dpi_set_timings,
-	.get_timings = dpi_get_timings,
-
-	.set_data_lines = dpi_set_data_lines,
-};
-
-static void dpi_init_output(struct platform_device *pdev)
-{
-	struct dpi_data *dpi = dpi_get_data_from_pdev(pdev);
-	struct omap_dss_device *out = &dpi->output;
-
-	out->dev = &pdev->dev;
-	out->id = OMAP_DSS_OUTPUT_DPI;
-	out->output_type = OMAP_DISPLAY_TYPE_DPI;
-	out->name = "dpi.0";
-	out->dispc_channel = dpi_get_channel(0);
-	out->ops.dpi = &dpi_ops;
-	out->owner = THIS_MODULE;
-
-	omapdss_register_output(out);
-}
-
-static void dpi_uninit_output(struct platform_device *pdev)
-{
-	struct dpi_data *dpi = dpi_get_data_from_pdev(pdev);
-	struct omap_dss_device *out = &dpi->output;
-
-	omapdss_unregister_output(out);
-}
-
-static void dpi_init_output_port(struct platform_device *pdev,
-	struct device_node *port)
-{
-	struct dpi_data *dpi = port->data;
-	struct omap_dss_device *out = &dpi->output;
-	int r;
-	u32 port_num;
-
-	r = of_property_read_u32(port, "reg", &port_num);
-	if (r)
-		port_num = 0;
-
-	switch (port_num) {
-	case 2:
-		out->name = "dpi.2";
-		break;
-	case 1:
-		out->name = "dpi.1";
-		break;
-	case 0:
-	default:
-		out->name = "dpi.0";
-		break;
-	}
-
-	out->dev = &pdev->dev;
-	out->id = OMAP_DSS_OUTPUT_DPI;
-	out->output_type = OMAP_DISPLAY_TYPE_DPI;
-	out->dispc_channel = dpi_get_channel(port_num);
-	out->port_num = port_num;
-	out->ops.dpi = &dpi_ops;
-	out->owner = THIS_MODULE;
-
-	omapdss_register_output(out);
-}
-
-static void dpi_uninit_output_port(struct device_node *port)
-{
-	struct dpi_data *dpi = port->data;
-	struct omap_dss_device *out = &dpi->output;
-
-	omapdss_unregister_output(out);
-}
-
-static int dpi_bind(struct device *dev, struct device *master, void *data)
-{
-	struct platform_device *pdev = to_platform_device(dev);
-	struct dpi_data *dpi;
-
-	dpi = devm_kzalloc(&pdev->dev, sizeof(*dpi), GFP_KERNEL);
-	if (!dpi)
-		return -ENOMEM;
-
-	dpi->pdev = pdev;
-
-	dev_set_drvdata(&pdev->dev, dpi);
-
-	mutex_init(&dpi->lock);
-
-	dpi_init_output(pdev);
-
-	return 0;
-}
-
-static void dpi_unbind(struct device *dev, struct device *master, void *data)
-{
-	struct platform_device *pdev = to_platform_device(dev);
-
-	dpi_uninit_output(pdev);
-}
-
-static const struct component_ops dpi_component_ops = {
-	.bind	= dpi_bind,
-	.unbind	= dpi_unbind,
-};
-
-static int dpi_probe(struct platform_device *pdev)
-{
-	return component_add(&pdev->dev, &dpi_component_ops);
-}
-
-static int dpi_remove(struct platform_device *pdev)
-{
-	component_del(&pdev->dev, &dpi_component_ops);
-	return 0;
-}
-
-static struct platform_driver omap_dpi_driver = {
-	.probe		= dpi_probe,
-	.remove		= dpi_remove,
-	.driver         = {
-		.name   = "omapdss_dpi",
-		.suppress_bind_attrs = true,
-	},
-};
-
-int __init dpi_init_platform_driver(void)
-{
-	return platform_driver_register(&omap_dpi_driver);
-}
-
-void dpi_uninit_platform_driver(void)
-{
-	platform_driver_unregister(&omap_dpi_driver);
-}
-
-int dpi_init_port(struct platform_device *pdev, struct device_node *port)
-{
-	struct dpi_data *dpi;
-	struct device_node *ep;
-	u32 datalines;
-	int r;
-
-	dpi = devm_kzalloc(&pdev->dev, sizeof(*dpi), GFP_KERNEL);
-	if (!dpi)
-		return -ENOMEM;
-
-	ep = omapdss_of_get_next_endpoint(port, NULL);
-	if (!ep)
-		return 0;
-
-	r = of_property_read_u32(ep, "data-lines", &datalines);
-	if (r) {
-		DSSERR("failed to parse datalines\n");
-		goto err_datalines;
-	}
-
-	dpi->data_lines = datalines;
-
-	of_node_put(ep);
-
-	dpi->pdev = pdev;
-	port->data = dpi;
-
-	mutex_init(&dpi->lock);
-
-	dpi_init_output_port(pdev, port);
-
-	dpi->port_initialized = true;
-
-	return 0;
-
-err_datalines:
-	of_node_put(ep);
-
-	return r;
-}
-
-void dpi_uninit_port(struct device_node *port)
-{
-	struct dpi_data *dpi = port->data;
-
-	if (!dpi->port_initialized)
-		return;
-
-	dpi_uninit_output_port(port);
-}