1 files changed, 0 insertions, 337 deletions
diff --git a/drivers/gpu/drm/msm/dp/dp_parser.c b/drivers/gpu/drm/msm/dp/dp_parser.c
deleted file mode 100644
index a7acc23f742b..000000000000
--- a/drivers/gpu/drm/msm/dp/dp_parser.c
+++ /dev/null
@@ -1,337 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-only
-/*
- * Copyright (c) 2012-2020, The Linux Foundation. All rights reserved.
- */
-
-#include <linux/of_gpio.h>
-#include <linux/phy/phy.h>
-
-#include <drm/drm_of.h>
-#include <drm/drm_print.h>
-#include <drm/drm_bridge.h>
-
-#include "dp_parser.h"
-#include "dp_reg.h"
-
-#define DP_DEFAULT_AHB_OFFSET	0x0000
-#define DP_DEFAULT_AHB_SIZE	0x0200
-#define DP_DEFAULT_AUX_OFFSET	0x0200
-#define DP_DEFAULT_AUX_SIZE	0x0200
-#define DP_DEFAULT_LINK_OFFSET	0x0400
-#define DP_DEFAULT_LINK_SIZE	0x0C00
-#define DP_DEFAULT_P0_OFFSET	0x1000
-#define DP_DEFAULT_P0_SIZE	0x0400
-
-static const struct dp_regulator_cfg sdm845_dp_reg_cfg = {
-	.num = 2,
-	.regs = {
-		{"vdda-1p2", 21800, 4 },	/* 1.2 V */
-		{"vdda-0p9", 36000, 32 },	/* 0.9 V */
-	},
-};
-
-static void __iomem *dp_ioremap(struct platform_device *pdev, int idx, size_t *len)
-{
-	struct resource *res;
-	void __iomem *base;
-
-	base = devm_platform_get_and_ioremap_resource(pdev, idx, &res);
-	if (!IS_ERR(base))
-		*len = resource_size(res);
-
-	return base;
-}
-
-static int dp_parser_ctrl_res(struct dp_parser *parser)
-{
-	struct platform_device *pdev = parser->pdev;
-	struct dp_io *io = &parser->io;
-	struct dss_io_data *dss = &io->dp_controller;
-
-	dss->ahb.base = dp_ioremap(pdev, 0, &dss->ahb.len);
-	if (IS_ERR(dss->ahb.base))
-		return PTR_ERR(dss->ahb.base);
-
-	dss->aux.base = dp_ioremap(pdev, 1, &dss->aux.len);
-	if (IS_ERR(dss->aux.base)) {
-		/*
-		 * The initial binding had a single reg, but in order to
-		 * support variation in the sub-region sizes this was split.
-		 * dp_ioremap() will fail with -EINVAL here if only a single
-		 * reg is specified, so fill in the sub-region offsets and
-		 * lengths based on this single region.
-		 */
-		if (PTR_ERR(dss->aux.base) == -EINVAL) {
-			if (dss->ahb.len < DP_DEFAULT_P0_OFFSET + DP_DEFAULT_P0_SIZE) {
-				DRM_ERROR("legacy memory region not large enough\n");
-				return -EINVAL;
-			}
-
-			dss->ahb.len = DP_DEFAULT_AHB_SIZE;
-			dss->aux.base = dss->ahb.base + DP_DEFAULT_AUX_OFFSET;
-			dss->aux.len = DP_DEFAULT_AUX_SIZE;
-			dss->link.base = dss->ahb.base + DP_DEFAULT_LINK_OFFSET;
-			dss->link.len = DP_DEFAULT_LINK_SIZE;
-			dss->p0.base = dss->ahb.base + DP_DEFAULT_P0_OFFSET;
-			dss->p0.len = DP_DEFAULT_P0_SIZE;
-		} else {
-			DRM_ERROR("unable to remap aux region: %pe\n", dss->aux.base);
-			return PTR_ERR(dss->aux.base);
-		}
-	} else {
-		dss->link.base = dp_ioremap(pdev, 2, &dss->link.len);
-		if (IS_ERR(dss->link.base)) {
-			DRM_ERROR("unable to remap link region: %pe\n", dss->link.base);
-			return PTR_ERR(dss->link.base);
-		}
-
-		dss->p0.base = dp_ioremap(pdev, 3, &dss->p0.len);
-		if (IS_ERR(dss->p0.base)) {
-			DRM_ERROR("unable to remap p0 region: %pe\n", dss->p0.base);
-			return PTR_ERR(dss->p0.base);
-		}
-	}
-
-	io->phy = devm_phy_get(&pdev->dev, "dp");
-	if (IS_ERR(io->phy))
-		return PTR_ERR(io->phy);
-
-	return 0;
-}
-
-static int dp_parser_misc(struct dp_parser *parser)
-{
-	struct device_node *of_node = parser->pdev->dev.of_node;
-	int len = 0;
-	const char *data_lane_property = "data-lanes";
-
-	len = of_property_count_elems_of_size(of_node,
-			 data_lane_property, sizeof(u32));
-	if (len < 0) {
-		DRM_WARN("Invalid property %s, default max DP lanes = %d\n",
-				data_lane_property, DP_MAX_NUM_DP_LANES);
-		len = DP_MAX_NUM_DP_LANES;
-	}
-
-	parser->max_dp_lanes = len;
-	return 0;
-}
-
-static inline bool dp_parser_check_prefix(const char *clk_prefix,
-						const char *clk_name)
-{
-	return !strncmp(clk_prefix, clk_name, strlen(clk_prefix));
-}
-
-static int dp_parser_init_clk_data(struct dp_parser *parser)
-{
-	int num_clk, i, rc;
-	int core_clk_count = 0, ctrl_clk_count = 0, stream_clk_count = 0;
-	const char *clk_name;
-	struct device *dev = &parser->pdev->dev;
-	struct dss_module_power *core_power = &parser->mp[DP_CORE_PM];
-	struct dss_module_power *ctrl_power = &parser->mp[DP_CTRL_PM];
-	struct dss_module_power *stream_power = &parser->mp[DP_STREAM_PM];
-
-	num_clk = of_property_count_strings(dev->of_node, "clock-names");
-	if (num_clk <= 0) {
-		DRM_ERROR("no clocks are defined\n");
-		return -EINVAL;
-	}
-
-	for (i = 0; i < num_clk; i++) {
-		rc = of_property_read_string_index(dev->of_node,
-				"clock-names", i, &clk_name);
-		if (rc < 0)
-			return rc;
-
-		if (dp_parser_check_prefix("core", clk_name))
-			core_clk_count++;
-
-		if (dp_parser_check_prefix("ctrl", clk_name))
-			ctrl_clk_count++;
-
-		if (dp_parser_check_prefix("stream", clk_name))
-			stream_clk_count++;
-	}
-
-	/* Initialize the CORE power module */
-	if (core_clk_count == 0) {
-		DRM_ERROR("no core clocks are defined\n");
-		return -EINVAL;
-	}
-
-	core_power->num_clk = core_clk_count;
-	core_power->clk_config = devm_kzalloc(dev,
-			sizeof(struct dss_clk) * core_power->num_clk,
-			GFP_KERNEL);
-	if (!core_power->clk_config)
-		return -EINVAL;
-
-	/* Initialize the CTRL power module */
-	if (ctrl_clk_count == 0) {
-		DRM_ERROR("no ctrl clocks are defined\n");
-		return -EINVAL;
-	}
-
-	ctrl_power->num_clk = ctrl_clk_count;
-	ctrl_power->clk_config = devm_kzalloc(dev,
-			sizeof(struct dss_clk) * ctrl_power->num_clk,
-			GFP_KERNEL);
-	if (!ctrl_power->clk_config) {
-		ctrl_power->num_clk = 0;
-		return -EINVAL;
-	}
-
-	/* Initialize the STREAM power module */
-	if (stream_clk_count == 0) {
-		DRM_ERROR("no stream (pixel) clocks are defined\n");
-		return -EINVAL;
-	}
-
-	stream_power->num_clk = stream_clk_count;
-	stream_power->clk_config = devm_kzalloc(dev,
-			sizeof(struct dss_clk) * stream_power->num_clk,
-			GFP_KERNEL);
-	if (!stream_power->clk_config) {
-		stream_power->num_clk = 0;
-		return -EINVAL;
-	}
-
-	return 0;
-}
-
-static int dp_parser_clock(struct dp_parser *parser)
-{
-	int rc = 0, i = 0;
-	int num_clk = 0;
-	int core_clk_index = 0, ctrl_clk_index = 0, stream_clk_index = 0;
-	int core_clk_count = 0, ctrl_clk_count = 0, stream_clk_count = 0;
-	const char *clk_name;
-	struct device *dev = &parser->pdev->dev;
-	struct dss_module_power *core_power = &parser->mp[DP_CORE_PM];
-	struct dss_module_power *ctrl_power = &parser->mp[DP_CTRL_PM];
-	struct dss_module_power *stream_power = &parser->mp[DP_STREAM_PM];
-
-	rc =  dp_parser_init_clk_data(parser);
-	if (rc) {
-		DRM_ERROR("failed to initialize power data %d\n", rc);
-		return -EINVAL;
-	}
-
-	core_clk_count = core_power->num_clk;
-	ctrl_clk_count = ctrl_power->num_clk;
-	stream_clk_count = stream_power->num_clk;
-
-	num_clk = core_clk_count + ctrl_clk_count + stream_clk_count;
-
-	for (i = 0; i < num_clk; i++) {
-		rc = of_property_read_string_index(dev->of_node, "clock-names",
-				i, &clk_name);
-		if (rc) {
-			DRM_ERROR("error reading clock-names %d\n", rc);
-			return rc;
-		}
-		if (dp_parser_check_prefix("core", clk_name) &&
-				core_clk_index < core_clk_count) {
-			struct dss_clk *clk =
-				&core_power->clk_config[core_clk_index];
-			strlcpy(clk->clk_name, clk_name, sizeof(clk->clk_name));
-			clk->type = DSS_CLK_AHB;
-			core_clk_index++;
-		} else if (dp_parser_check_prefix("stream", clk_name) &&
-				stream_clk_index < stream_clk_count) {
-			struct dss_clk *clk =
-				&stream_power->clk_config[stream_clk_index];
-			strlcpy(clk->clk_name, clk_name, sizeof(clk->clk_name));
-			clk->type = DSS_CLK_PCLK;
-			stream_clk_index++;
-		} else if (dp_parser_check_prefix("ctrl", clk_name) &&
-			   ctrl_clk_index < ctrl_clk_count) {
-			struct dss_clk *clk =
-				&ctrl_power->clk_config[ctrl_clk_index];
-			strlcpy(clk->clk_name, clk_name, sizeof(clk->clk_name));
-			ctrl_clk_index++;
-			if (dp_parser_check_prefix("ctrl_link", clk_name) ||
-			    dp_parser_check_prefix("stream_pixel", clk_name))
-				clk->type = DSS_CLK_PCLK;
-			else
-				clk->type = DSS_CLK_AHB;
-		}
-	}
-
-	DRM_DEBUG_DP("clock parsing successful\n");
-
-	return 0;
-}
-
-static int dp_parser_find_panel(struct dp_parser *parser)
-{
-	struct device *dev = &parser->pdev->dev;
-	struct drm_panel *panel;
-	int rc;
-
-	rc = drm_of_find_panel_or_bridge(dev->of_node, 1, 0, &panel, NULL);
-	if (rc) {
-		DRM_ERROR("failed to acquire DRM panel: %d\n", rc);
-		return rc;
-	}
-
-	parser->panel_bridge = devm_drm_panel_bridge_add(dev, panel);
-	if (IS_ERR(parser->panel_bridge)) {
-		DRM_ERROR("failed to create panel bridge\n");
-		return PTR_ERR(parser->panel_bridge);
-	}
-
-	return 0;
-}
-
-static int dp_parser_parse(struct dp_parser *parser, int connector_type)
-{
-	int rc = 0;
-
-	if (!parser) {
-		DRM_ERROR("invalid input\n");
-		return -EINVAL;
-	}
-
-	rc = dp_parser_ctrl_res(parser);
-	if (rc)
-		return rc;
-
-	rc = dp_parser_misc(parser);
-	if (rc)
-		return rc;
-
-	rc = dp_parser_clock(parser);
-	if (rc)
-		return rc;
-
-	if (connector_type == DRM_MODE_CONNECTOR_eDP) {
-		rc = dp_parser_find_panel(parser);
-		if (rc)
-			return rc;
-	}
-
-	/* Map the corresponding regulator information according to
-	 * version. Currently, since we only have one supported platform,
-	 * mapping the regulator directly.
-	 */
-	parser->regulator_cfg = &sdm845_dp_reg_cfg;
-
-	return 0;
-}
-
-struct dp_parser *dp_parser_get(struct platform_device *pdev)
-{
-	struct dp_parser *parser;
-
-	parser = devm_kzalloc(&pdev->dev, sizeof(*parser), GFP_KERNEL);
-	if (!parser)
-		return ERR_PTR(-ENOMEM);
-
-	parser->parse = dp_parser_parse;
-	parser->pdev = pdev;
-
-	return parser;
-}