1 files changed, 0 insertions, 454 deletions
diff --git a/drivers/video/fbdev/omap2/dss/sdi.c b/drivers/video/fbdev/omap2/dss/sdi.c
deleted file mode 100644
index d747cc6b59e1..000000000000
--- a/drivers/video/fbdev/omap2/dss/sdi.c
+++ /dev/null
@@ -1,454 +0,0 @@
-/*
- * linux/drivers/video/omap2/dss/sdi.c
- *
- * Copyright (C) 2009 Nokia Corporation
- * Author: Tomi Valkeinen <tomi.valkeinen@nokia.com>
- *
- * 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 "SDI"
-
-#include <linux/kernel.h>
-#include <linux/delay.h>
-#include <linux/err.h>
-#include <linux/regulator/consumer.h>
-#include <linux/export.h>
-#include <linux/platform_device.h>
-#include <linux/string.h>
-#include <linux/of.h>
-#include <linux/component.h>
-
-#include <video/omapdss.h>
-#include "dss.h"
-
-static struct {
-	struct platform_device *pdev;
-
-	bool update_enabled;
-	struct regulator *vdds_sdi_reg;
-
-	struct dss_lcd_mgr_config mgr_config;
-	struct omap_video_timings timings;
-	int datapairs;
-
-	struct omap_dss_device output;
-
-	bool port_initialized;
-} sdi;
-
-struct sdi_clk_calc_ctx {
-	unsigned long pck_min, pck_max;
-
-	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 sdi_clk_calc_ctx *ctx = data;
-
-	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_dss_cb(unsigned long fck, void *data)
-{
-	struct sdi_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 int sdi_calc_clock_div(unsigned long pclk,
-		unsigned long *fck,
-		struct dispc_clock_info *dispc_cinfo)
-{
-	int i;
-	struct sdi_clk_calc_ctx ctx;
-
-	/*
-	 * DSS fclk 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
-	 * +/- 1MHz.
-	 */
-
-	for (i = 0; i < 10; ++i) {
-		bool ok;
-
-		memset(&ctx, 0, sizeof(ctx));
-		if (pclk > 1000 * i * i * i)
-			ctx.pck_min = max(pclk - 1000 * i * i * i, 0lu);
-		else
-			ctx.pck_min = 0;
-		ctx.pck_max = pclk + 1000 * i * i * i;
-
-		ok = dss_div_calc(pclk, ctx.pck_min, dpi_calc_dss_cb, &ctx);
-		if (ok) {
-			*fck = ctx.fck;
-			*dispc_cinfo = ctx.dispc_cinfo;
-			return 0;
-		}
-	}
-
-	return -EINVAL;
-}
-
-static void sdi_config_lcd_manager(struct omap_dss_device *dssdev)
-{
-	struct omap_overlay_manager *mgr = sdi.output.manager;
-
-	sdi.mgr_config.io_pad_mode = DSS_IO_PAD_MODE_BYPASS;
-
-	sdi.mgr_config.stallmode = false;
-	sdi.mgr_config.fifohandcheck = false;
-
-	sdi.mgr_config.video_port_width = 24;
-	sdi.mgr_config.lcden_sig_polarity = 1;
-
-	dss_mgr_set_lcd_config(mgr, &sdi.mgr_config);
-}
-
-static int sdi_display_enable(struct omap_dss_device *dssdev)
-{
-	struct omap_dss_device *out = &sdi.output;
-	struct omap_video_timings *t = &sdi.timings;
-	unsigned long fck;
-	struct dispc_clock_info dispc_cinfo;
-	unsigned long pck;
-	int r;
-
-	if (out->manager == NULL) {
-		DSSERR("failed to enable display: no output/manager\n");
-		return -ENODEV;
-	}
-
-	r = regulator_enable(sdi.vdds_sdi_reg);
-	if (r)
-		goto err_reg_enable;
-
-	r = dispc_runtime_get();
-	if (r)
-		goto err_get_dispc;
-
-	/* 15.5.9.1.2 */
-	t->data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
-	t->sync_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE;
-
-	r = sdi_calc_clock_div(t->pixelclock, &fck, &dispc_cinfo);
-	if (r)
-		goto err_calc_clock_div;
-
-	sdi.mgr_config.clock_info = dispc_cinfo;
-
-	pck = fck / dispc_cinfo.lck_div / dispc_cinfo.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(out->manager, t);
-
-	r = dss_set_fck_rate(fck);
-	if (r)
-		goto err_set_dss_clock_div;
-
-	sdi_config_lcd_manager(dssdev);
-
-	/*
-	 * LCLK and PCLK divisors are located in shadow registers, and we
-	 * normally write them to DISPC registers when enabling the output.
-	 * However, SDI uses pck-free as source clock for its PLL, and pck-free
-	 * is affected by the divisors. And as we need the PLL before enabling
-	 * the output, we need to write the divisors early.
-	 *
-	 * It seems just writing to the DISPC register is enough, and we don't
-	 * need to care about the shadow register mechanism for pck-free. The
-	 * exact reason for this is unknown.
-	 */
-	dispc_mgr_set_clock_div(out->manager->id, &sdi.mgr_config.clock_info);
-
-	dss_sdi_init(sdi.datapairs);
-	r = dss_sdi_enable();
-	if (r)
-		goto err_sdi_enable;
-	mdelay(2);
-
-	r = dss_mgr_enable(out->manager);
-	if (r)
-		goto err_mgr_enable;
-
-	return 0;
-
-err_mgr_enable:
-	dss_sdi_disable();
-err_sdi_enable:
-err_set_dss_clock_div:
-err_calc_clock_div:
-	dispc_runtime_put();
-err_get_dispc:
-	regulator_disable(sdi.vdds_sdi_reg);
-err_reg_enable:
-	return r;
-}
-
-static void sdi_display_disable(struct omap_dss_device *dssdev)
-{
-	struct omap_overlay_manager *mgr = sdi.output.manager;
-
-	dss_mgr_disable(mgr);
-
-	dss_sdi_disable();
-
-	dispc_runtime_put();
-
-	regulator_disable(sdi.vdds_sdi_reg);
-}
-
-static void sdi_set_timings(struct omap_dss_device *dssdev,
-		struct omap_video_timings *timings)
-{
-	sdi.timings = *timings;
-}
-
-static void sdi_get_timings(struct omap_dss_device *dssdev,
-		struct omap_video_timings *timings)
-{
-	*timings = sdi.timings;
-}
-
-static int sdi_check_timings(struct omap_dss_device *dssdev,
-			struct omap_video_timings *timings)
-{
-	struct omap_overlay_manager *mgr = sdi.output.manager;
-
-	if (mgr && !dispc_mgr_timings_ok(mgr->id, timings))
-		return -EINVAL;
-
-	if (timings->pixelclock == 0)
-		return -EINVAL;
-
-	return 0;
-}
-
-static void sdi_set_datapairs(struct omap_dss_device *dssdev, int datapairs)
-{
-	sdi.datapairs = datapairs;
-}
-
-static int sdi_init_regulator(void)
-{
-	struct regulator *vdds_sdi;
-
-	if (sdi.vdds_sdi_reg)
-		return 0;
-
-	vdds_sdi = devm_regulator_get(&sdi.pdev->dev, "vdds_sdi");
-	if (IS_ERR(vdds_sdi)) {
-		if (PTR_ERR(vdds_sdi) != -EPROBE_DEFER)
-			DSSERR("can't get VDDS_SDI regulator\n");
-		return PTR_ERR(vdds_sdi);
-	}
-
-	sdi.vdds_sdi_reg = vdds_sdi;
-
-	return 0;
-}
-
-static int sdi_connect(struct omap_dss_device *dssdev,
-		struct omap_dss_device *dst)
-{
-	struct omap_overlay_manager *mgr;
-	int r;
-
-	r = sdi_init_regulator();
-	if (r)
-		return r;
-
-	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 sdi_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_sdi_ops sdi_ops = {
-	.connect = sdi_connect,
-	.disconnect = sdi_disconnect,
-
-	.enable = sdi_display_enable,
-	.disable = sdi_display_disable,
-
-	.check_timings = sdi_check_timings,
-	.set_timings = sdi_set_timings,
-	.get_timings = sdi_get_timings,
-
-	.set_datapairs = sdi_set_datapairs,
-};
-
-static void sdi_init_output(struct platform_device *pdev)
-{
-	struct omap_dss_device *out = &sdi.output;
-
-	out->dev = &pdev->dev;
-	out->id = OMAP_DSS_OUTPUT_SDI;
-	out->output_type = OMAP_DISPLAY_TYPE_SDI;
-	out->name = "sdi.0";
-	out->dispc_channel = OMAP_DSS_CHANNEL_LCD;
-	/* We have SDI only on OMAP3, where it's on port 1 */
-	out->port_num = 1;
-	out->ops.sdi = &sdi_ops;
-	out->owner = THIS_MODULE;
-
-	omapdss_register_output(out);
-}
-
-static void sdi_uninit_output(struct platform_device *pdev)
-{
-	struct omap_dss_device *out = &sdi.output;
-
-	omapdss_unregister_output(out);
-}
-
-static int sdi_bind(struct device *dev, struct device *master, void *data)
-{
-	struct platform_device *pdev = to_platform_device(dev);
-
-	sdi.pdev = pdev;
-
-	sdi_init_output(pdev);
-
-	return 0;
-}
-
-static void sdi_unbind(struct device *dev, struct device *master, void *data)
-{
-	struct platform_device *pdev = to_platform_device(dev);
-
-	sdi_uninit_output(pdev);
-}
-
-static const struct component_ops sdi_component_ops = {
-	.bind	= sdi_bind,
-	.unbind	= sdi_unbind,
-};
-
-static int sdi_probe(struct platform_device *pdev)
-{
-	return component_add(&pdev->dev, &sdi_component_ops);
-}
-
-static int sdi_remove(struct platform_device *pdev)
-{
-	component_del(&pdev->dev, &sdi_component_ops);
-	return 0;
-}
-
-static struct platform_driver omap_sdi_driver = {
-	.probe		= sdi_probe,
-	.remove         = sdi_remove,
-	.driver         = {
-		.name   = "omapdss_sdi",
-		.suppress_bind_attrs = true,
-	},
-};
-
-int __init sdi_init_platform_driver(void)
-{
-	return platform_driver_register(&omap_sdi_driver);
-}
-
-void sdi_uninit_platform_driver(void)
-{
-	platform_driver_unregister(&omap_sdi_driver);
-}
-
-int sdi_init_port(struct platform_device *pdev, struct device_node *port)
-{
-	struct device_node *ep;
-	u32 datapairs;
-	int r;
-
-	ep = omapdss_of_get_next_endpoint(port, NULL);
-	if (!ep)
-		return 0;
-
-	r = of_property_read_u32(ep, "datapairs", &datapairs);
-	if (r) {
-		DSSERR("failed to parse datapairs\n");
-		goto err_datapairs;
-	}
-
-	sdi.datapairs = datapairs;
-
-	of_node_put(ep);
-
-	sdi.pdev = pdev;
-
-	sdi_init_output(pdev);
-
-	sdi.port_initialized = true;
-
-	return 0;
-
-err_datapairs:
-	of_node_put(ep);
-
-	return r;
-}
-
-void sdi_uninit_port(struct device_node *port)
-{
-	if (!sdi.port_initialized)
-		return;
-
-	sdi_uninit_output(sdi.pdev);
-}