drm: omapdrm: Move supported outputs feature to dss driver

The supported outputs feature is specific to the DSS, move it from the
omap_dss_features structure to the dss driver.

The omap_dss_features structure is now empty and can be removed.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

drivers/gpu/drm/omapdrm/dss/Makefile

@@ -5,7 +5,7 @@ omapdss-base-y := base.o display.o dss-of.o output.o
 
 obj-$(CONFIG_OMAP2_DSS) += omapdss.o
 # Core DSS files
-omapdss-y := core.o dss.o dss_features.o dispc.o dispc_coefs.o \
+omapdss-y := core.o dss.o dispc.o dispc_coefs.o \
 	pll.o video-pll.o
 omapdss-$(CONFIG_OMAP2_DSS_DPI) += dpi.o
 omapdss-$(CONFIG_OMAP2_DSS_VENC) += venc.o

drivers/gpu/drm/omapdrm/dss/core.c

@@ -54,8 +54,6 @@ static int __init omap_dss_probe(struct platform_device *pdev)
 {
 	core.pdev = pdev;
 
-	dss_features_init(omapdss_get_version());
-
 	return 0;
 }
 

drivers/gpu/drm/omapdrm/dss/dispc.c

@@ -2736,7 +2736,7 @@ static int dispc_ovl_enable(enum omap_plane_id plane, bool enable)
 
 static enum omap_dss_output_id dispc_mgr_get_supported_outputs(enum omap_channel channel)
 {
-	return dss_feat_get_supported_outputs(channel);
+	return dss_get_supported_outputs(channel);
 }
 
 static void dispc_lcd_enable_signal_polarity(bool act_high)

drivers/gpu/drm/omapdrm/dss/dss.c

@@ -86,6 +86,7 @@ struct dss_features {
 	const char *parent_clk_name;
 	const enum omap_display_type *ports;
 	int num_ports;
+	const enum omap_dss_output_id *outputs;
 	const struct dss_ops *ops;
 	struct dss_reg_field dispc_clk_switch;
 	bool has_lcd_clk_src;
@@ -150,8 +151,7 @@ static void dss_save_context(void)
 
 	SR(CONTROL);
 
-	if (dss_feat_get_supported_outputs(OMAP_DSS_CHANNEL_LCD) &
-			OMAP_DSS_OUTPUT_SDI) {
+	if (dss.feat->outputs[OMAP_DSS_CHANNEL_LCD] & OMAP_DSS_OUTPUT_SDI) {
 		SR(SDI_CONTROL);
 		SR(PLL_CONTROL);
 	}
@@ -170,8 +170,7 @@ static void dss_restore_context(void)
 
 	RR(CONTROL);
 
-	if (dss_feat_get_supported_outputs(OMAP_DSS_CHANNEL_LCD) &
-			OMAP_DSS_OUTPUT_SDI) {
+	if (dss.feat->outputs[OMAP_DSS_CHANNEL_LCD] & OMAP_DSS_OUTPUT_SDI) {
 		RR(SDI_CONTROL);
 		RR(PLL_CONTROL);
 	}
@@ -401,8 +400,7 @@ static void dss_dump_regs(struct seq_file *s)
 	DUMPREG(DSS_SYSSTATUS);
 	DUMPREG(DSS_CONTROL);
 
-	if (dss_feat_get_supported_outputs(OMAP_DSS_CHANNEL_LCD) &
-			OMAP_DSS_OUTPUT_SDI) {
+	if (dss.feat->outputs[OMAP_DSS_CHANNEL_LCD] & OMAP_DSS_OUTPUT_SDI) {
 		DUMPREG(DSS_SDI_CONTROL);
 		DUMPREG(DSS_PLL_CONTROL);
 		DUMPREG(DSS_SDI_STATUS);
@@ -687,6 +685,11 @@ unsigned long dss_get_max_fck_rate(void)
 	return dss.feat->fck_freq_max;
 }
 
+enum omap_dss_output_id dss_get_supported_outputs(enum omap_channel channel)
+{
+	return dss.feat->outputs[channel];
+}
+
 static int dss_setup_default_clock(void)
 {
 	unsigned long max_dss_fck, prate;
@@ -737,7 +740,7 @@ void dss_select_hdmi_venc_clk_source(enum dss_hdmi_venc_clk_source_select src)
 {
 	enum omap_dss_output_id outputs;
 
-	outputs = dss_feat_get_supported_outputs(OMAP_DSS_CHANNEL_DIGIT);
+	outputs = dss.feat->outputs[OMAP_DSS_CHANNEL_DIGIT];
 
 	/* Complain about invalid selections */
 	WARN_ON((src == DSS_VENC_TV_CLK) && !(outputs & OMAP_DSS_OUTPUT_VENC));
@@ -753,7 +756,7 @@ enum dss_hdmi_venc_clk_source_select dss_get_hdmi_venc_clk_source(void)
 {
 	enum omap_dss_output_id outputs;
 
-	outputs = dss_feat_get_supported_outputs(OMAP_DSS_CHANNEL_DIGIT);
+	outputs = dss.feat->outputs[OMAP_DSS_CHANNEL_DIGIT];
 	if ((outputs & OMAP_DSS_OUTPUT_HDMI) == 0)
 		return DSS_VENC_TV_CLK;
 
@@ -1004,6 +1007,66 @@ static const enum omap_display_type dra7xx_ports[] = {
 	OMAP_DISPLAY_TYPE_DPI,
 };
 
+static const enum omap_dss_output_id omap2_dss_supported_outputs[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DSS_OUTPUT_VENC,
+};
+
+static const enum omap_dss_output_id omap3430_dss_supported_outputs[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_SDI | OMAP_DSS_OUTPUT_DSI1,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DSS_OUTPUT_VENC,
+};
+
+static const enum omap_dss_output_id omap3630_dss_supported_outputs[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_DSI1,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DSS_OUTPUT_VENC,
+};
+
+static const enum omap_dss_output_id am43xx_dss_supported_outputs[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI,
+};
+
+static const enum omap_dss_output_id omap4_dss_supported_outputs[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DSS_OUTPUT_DBI | OMAP_DSS_OUTPUT_DSI1,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DSS_OUTPUT_VENC | OMAP_DSS_OUTPUT_HDMI,
+
+	/* OMAP_DSS_CHANNEL_LCD2 */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_DSI2,
+};
+
+static const enum omap_dss_output_id omap5_dss_supported_outputs[] = {
+	/* OMAP_DSS_CHANNEL_LCD */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_DSI1 | OMAP_DSS_OUTPUT_DSI2,
+
+	/* OMAP_DSS_CHANNEL_DIGIT */
+	OMAP_DSS_OUTPUT_HDMI,
+
+	/* OMAP_DSS_CHANNEL_LCD2 */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_DSI1,
+
+	/* OMAP_DSS_CHANNEL_LCD3 */
+	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
+	OMAP_DSS_OUTPUT_DSI2,
+};
+
 static const struct dss_features omap24xx_dss_feats = {
 	.model			=	DSS_MODEL_OMAP2,
 	/*
@@ -1016,6 +1079,7 @@ static const struct dss_features omap24xx_dss_feats = {
 	.parent_clk_name	=	"core_ck",
 	.ports			=	omap2plus_ports,
 	.num_ports		=	ARRAY_SIZE(omap2plus_ports),
+	.outputs		=	omap2_dss_supported_outputs,
 	.ops			=	&dss_ops_omap2_omap3,
 	.dispc_clk_switch	=	{ 0, 0 },
 	.has_lcd_clk_src	=	false,
@@ -1028,6 +1092,7 @@ static const struct dss_features omap34xx_dss_feats = {
 	.dss_fck_multiplier	=	2,
 	.parent_clk_name	=	"dpll4_ck",
 	.ports			=	omap34xx_ports,
+	.outputs		=	omap3430_dss_supported_outputs,
 	.num_ports		=	ARRAY_SIZE(omap34xx_ports),
 	.ops			=	&dss_ops_omap2_omap3,
 	.dispc_clk_switch	=	{ 0, 0 },
@@ -1042,6 +1107,7 @@ static const struct dss_features omap3630_dss_feats = {
 	.parent_clk_name	=	"dpll4_ck",
 	.ports			=	omap2plus_ports,
 	.num_ports		=	ARRAY_SIZE(omap2plus_ports),
+	.outputs		=	omap3630_dss_supported_outputs,
 	.ops			=	&dss_ops_omap2_omap3,
 	.dispc_clk_switch	=	{ 0, 0 },
 	.has_lcd_clk_src	=	false,
@@ -1055,6 +1121,7 @@ static const struct dss_features omap44xx_dss_feats = {
 	.parent_clk_name	=	"dpll_per_x2_ck",
 	.ports			=	omap2plus_ports,
 	.num_ports		=	ARRAY_SIZE(omap2plus_ports),
+	.outputs		=	omap4_dss_supported_outputs,
 	.ops			=	&dss_ops_omap4,
 	.dispc_clk_switch	=	{ 9, 8 },
 	.has_lcd_clk_src	=	true,
@@ -1068,6 +1135,7 @@ static const struct dss_features omap54xx_dss_feats = {
 	.parent_clk_name	=	"dpll_per_x2_ck",
 	.ports			=	omap2plus_ports,
 	.num_ports		=	ARRAY_SIZE(omap2plus_ports),
+	.outputs		=	omap5_dss_supported_outputs,
 	.ops			=	&dss_ops_omap5,
 	.dispc_clk_switch	=	{ 9, 7 },
 	.has_lcd_clk_src	=	true,
@@ -1081,6 +1149,7 @@ static const struct dss_features am43xx_dss_feats = {
 	.parent_clk_name	=	NULL,
 	.ports			=	omap2plus_ports,
 	.num_ports		=	ARRAY_SIZE(omap2plus_ports),
+	.outputs		=	am43xx_dss_supported_outputs,
 	.ops			=	&dss_ops_omap2_omap3,
 	.dispc_clk_switch	=	{ 0, 0 },
 	.has_lcd_clk_src	=	true,
@@ -1094,6 +1163,7 @@ static const struct dss_features dra7xx_dss_feats = {
 	.parent_clk_name	=	"dpll_per_x2_ck",
 	.ports			=	dra7xx_ports,
 	.num_ports		=	ARRAY_SIZE(dra7xx_ports),
+	.outputs		=	omap5_dss_supported_outputs,
 	.ops			=	&dss_ops_dra7,
 	.dispc_clk_switch	=	{ 9, 7 },
 	.has_lcd_clk_src	=	true,

drivers/gpu/drm/omapdrm/dss/dss.h

@@ -266,6 +266,7 @@ void dss_runtime_put(void);
 
 unsigned long dss_get_dispc_clk_rate(void);
 unsigned long dss_get_max_fck_rate(void);
+enum omap_dss_output_id dss_get_supported_outputs(enum omap_channel channel);
 int dss_dpi_select_source(int port, enum omap_channel channel);
 void dss_select_hdmi_venc_clk_source(enum dss_hdmi_venc_clk_source_select);
 enum dss_hdmi_venc_clk_source_select dss_get_hdmi_venc_clk_source(void);

drivers/gpu/drm/omapdrm/dss/dss_features.c

@@ -1,195 +0,0 @@
-/*
- * linux/drivers/video/omap2/dss/dss_features.c
- *
- * Copyright (C) 2010 Texas Instruments
- * Author: Archit Taneja <archit@ti.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/>.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/types.h>
-#include <linux/err.h>
-#include <linux/slab.h>
-#include <drm/drm_fourcc.h>
-
-#include "omapdss.h"
-#include "dss.h"
-#include "dss_features.h"
-
-struct omap_dss_features {
-	const enum omap_dss_output_id *supported_outputs;
-};
-
-/* This struct is assigned to one of the below during initialization */
-static const struct omap_dss_features *omap_current_dss_features;
-
-static const enum omap_dss_output_id omap2_dss_supported_outputs[] = {
-	/* OMAP_DSS_CHANNEL_LCD */
-	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI,
-
-	/* OMAP_DSS_CHANNEL_DIGIT */
-	OMAP_DSS_OUTPUT_VENC,
-};
-
-static const enum omap_dss_output_id omap3430_dss_supported_outputs[] = {
-	/* OMAP_DSS_CHANNEL_LCD */
-	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
-	OMAP_DSS_OUTPUT_SDI | OMAP_DSS_OUTPUT_DSI1,
-
-	/* OMAP_DSS_CHANNEL_DIGIT */
-	OMAP_DSS_OUTPUT_VENC,
-};
-
-static const enum omap_dss_output_id omap3630_dss_supported_outputs[] = {
-	/* OMAP_DSS_CHANNEL_LCD */
-	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
-	OMAP_DSS_OUTPUT_DSI1,
-
-	/* OMAP_DSS_CHANNEL_DIGIT */
-	OMAP_DSS_OUTPUT_VENC,
-};
-
-static const enum omap_dss_output_id am43xx_dss_supported_outputs[] = {
-	/* OMAP_DSS_CHANNEL_LCD */
-	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI,
-};
-
-static const enum omap_dss_output_id omap4_dss_supported_outputs[] = {
-	/* OMAP_DSS_CHANNEL_LCD */
-	OMAP_DSS_OUTPUT_DBI | OMAP_DSS_OUTPUT_DSI1,
-
-	/* OMAP_DSS_CHANNEL_DIGIT */
-	OMAP_DSS_OUTPUT_VENC | OMAP_DSS_OUTPUT_HDMI,
-
-	/* OMAP_DSS_CHANNEL_LCD2 */
-	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
-	OMAP_DSS_OUTPUT_DSI2,
-};
-
-static const enum omap_dss_output_id omap5_dss_supported_outputs[] = {
-	/* OMAP_DSS_CHANNEL_LCD */
-	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
-	OMAP_DSS_OUTPUT_DSI1 | OMAP_DSS_OUTPUT_DSI2,
-
-	/* OMAP_DSS_CHANNEL_DIGIT */
-	OMAP_DSS_OUTPUT_HDMI,
-
-	/* OMAP_DSS_CHANNEL_LCD2 */
-	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
-	OMAP_DSS_OUTPUT_DSI1,
-
-	/* OMAP_DSS_CHANNEL_LCD3 */
-	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI |
-	OMAP_DSS_OUTPUT_DSI2,
-};
-
-/* OMAP2 DSS Features */
-static const struct omap_dss_features omap2_dss_features = {
-	.supported_outputs = omap2_dss_supported_outputs,
-};
-
-/* OMAP3 DSS Features */
-static const struct omap_dss_features omap3430_dss_features = {
-	.supported_outputs = omap3430_dss_supported_outputs,
-};
-
-/*
- * AM35xx DSS Features. This is basically OMAP3 DSS Features without the
- * vdds_dsi regulator.
- */
-static const struct omap_dss_features am35xx_dss_features = {
-	.supported_outputs = omap3430_dss_supported_outputs,
-};
-
-static const struct omap_dss_features am43xx_dss_features = {
-	.supported_outputs = am43xx_dss_supported_outputs,
-};
-
-static const struct omap_dss_features omap3630_dss_features = {
-	.supported_outputs = omap3630_dss_supported_outputs,
-};
-
-/* OMAP4 DSS Features */
-/* For OMAP4430 ES 1.0 revision */
-static const struct omap_dss_features omap4430_es1_0_dss_features  = {
-	.supported_outputs = omap4_dss_supported_outputs,
-};
-
-/* For OMAP4430 ES 2.0, 2.1 and 2.2 revisions */
-static const struct omap_dss_features omap4430_es2_0_1_2_dss_features = {
-	.supported_outputs = omap4_dss_supported_outputs,
-};
-
-/* For all the other OMAP4 versions */
-static const struct omap_dss_features omap4_dss_features = {
-	.supported_outputs = omap4_dss_supported_outputs,
-};
-
-/* OMAP5 DSS Features */
-static const struct omap_dss_features omap5_dss_features = {
-	.supported_outputs = omap5_dss_supported_outputs,
-};
-
-enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel)
-{
-	return omap_current_dss_features->supported_outputs[channel];
-}
-
-void dss_features_init(enum omapdss_version version)
-{
-	switch (version) {
-	case OMAPDSS_VER_OMAP24xx:
-		omap_current_dss_features = &omap2_dss_features;
-		break;
-
-	case OMAPDSS_VER_OMAP34xx_ES1:
-	case OMAPDSS_VER_OMAP34xx_ES3:
-		omap_current_dss_features = &omap3430_dss_features;
-		break;
-
-	case OMAPDSS_VER_OMAP3630:
-		omap_current_dss_features = &omap3630_dss_features;
-		break;
-
-	case OMAPDSS_VER_OMAP4430_ES1:
-		omap_current_dss_features = &omap4430_es1_0_dss_features;
-		break;
-
-	case OMAPDSS_VER_OMAP4430_ES2:
-		omap_current_dss_features = &omap4430_es2_0_1_2_dss_features;
-		break;
-
-	case OMAPDSS_VER_OMAP4:
-		omap_current_dss_features = &omap4_dss_features;
-		break;
-
-	case OMAPDSS_VER_OMAP5:
-	case OMAPDSS_VER_DRA7xx:
-		omap_current_dss_features = &omap5_dss_features;
-		break;
-
-	case OMAPDSS_VER_AM35xx:
-		omap_current_dss_features = &am35xx_dss_features;
-		break;
-
-	case OMAPDSS_VER_AM43xx:
-		omap_current_dss_features = &am43xx_dss_features;
-		break;
-
-	default:
-		DSSWARN("Unsupported OMAP version");
-		break;
-	}
-}

drivers/gpu/drm/omapdrm/dss/dss_features.h

@@ -25,8 +25,4 @@
 #define MAX_DSS_LCD_MANAGERS	3
 #define MAX_NUM_DSI		2
 
-void dss_features_init(enum omapdss_version version);
-
-enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel);
-
 #endif