drm: omapdrm: Move reg_fields to dispc_features structure

The reg_fields feature describes DISPC registers only. Move it from the
omap_dss_features structure to the dispc_features structure.

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

3 files changed, 76 insertions, 112 deletions

diff --git a/drivers/gpu/drm/omapdrm/dss/dispc.c b/drivers/gpu/drm/omapdrm/dss/dispc.c
index 839425ad8a75..3ad52c04a299 100644
--- a/drivers/gpu/drm/omapdrm/dss/dispc.c
+++ b/drivers/gpu/drm/omapdrm/dss/dispc.c
@@ -88,6 +88,8 @@ struct dispc_features {
 		u16 width, u16 height, u16 out_width, u16 out_height,
 		bool mem_to_mem);
 	u8 num_fifos;
+	const struct dss_reg_field *reg_fields;
+	const unsigned int num_reg_fields;
 	const enum omap_overlay_caps *overlay_caps;
 	const u32 **supported_color_modes;
 	unsigned int num_mgrs;
@@ -188,6 +190,17 @@ enum mgr_reg_fields {
 	DISPC_MGR_FLD_NUM,
 };
 
+/* DISPC register field id */
+enum dispc_feat_reg_field {
+	FEAT_REG_FIRHINC,
+	FEAT_REG_FIRVINC,
+	FEAT_REG_FIFOHIGHTHRESHOLD,
+	FEAT_REG_FIFOLOWTHRESHOLD,
+	FEAT_REG_FIFOSIZE,
+	FEAT_REG_HORIZONTALACCU,
+	FEAT_REG_VERTICALACCU,
+};
+
 struct dispc_reg_field {
 	u16 reg;
 	u8 high;
@@ -361,6 +374,16 @@ static int dispc_get_num_mgrs(void)
 	return dispc.feat->num_mgrs;
 }
 
+static void dispc_get_reg_field(enum dispc_feat_reg_field id,
+				u8 *start, u8 *end)
+{
+	if (id >= dispc.feat->num_reg_fields)
+		BUG();
+
+	*start = dispc.feat->reg_fields[id].start;
+	*end = dispc.feat->reg_fields[id].end;
+}
+
 #define SR(reg) \
 	dispc.ctx[DISPC_##reg / sizeof(u32)] = dispc_read_reg(DISPC_##reg)
 #define RR(reg) \
@@ -1252,7 +1275,7 @@ static void dispc_init_fifos(void)
 
 	unit = dispc.feat->buffer_size_unit;
 
-	dss_feat_get_reg_field(FEAT_REG_FIFOSIZE, &start, &end);
+	dispc_get_reg_field(FEAT_REG_FIFOSIZE, &start, &end);
 
 	for (fifo = 0; fifo < dispc.feat->num_fifos; ++fifo) {
 		size = REG_GET(DISPC_OVL_FIFO_SIZE_STATUS(fifo), start, end);
@@ -1342,8 +1365,8 @@ void dispc_ovl_set_fifo_threshold(enum omap_plane_id plane, u32 low,
 	low /= unit;
 	high /= unit;
 
-	dss_feat_get_reg_field(FEAT_REG_FIFOHIGHTHRESHOLD, &hi_start, &hi_end);
-	dss_feat_get_reg_field(FEAT_REG_FIFOLOWTHRESHOLD, &lo_start, &lo_end);
+	dispc_get_reg_field(FEAT_REG_FIFOHIGHTHRESHOLD, &hi_start, &hi_end);
+	dispc_get_reg_field(FEAT_REG_FIFOLOWTHRESHOLD, &lo_start, &lo_end);
 
 	DSSDBG("fifo(%d) threshold (bytes), old %u/%u, new %u/%u\n",
 			plane,
@@ -1510,10 +1533,8 @@ static void dispc_ovl_set_fir(enum omap_plane_id plane,
 	if (color_comp == DISPC_COLOR_COMPONENT_RGB_Y) {
 		u8 hinc_start, hinc_end, vinc_start, vinc_end;
 
-		dss_feat_get_reg_field(FEAT_REG_FIRHINC,
-					&hinc_start, &hinc_end);
-		dss_feat_get_reg_field(FEAT_REG_FIRVINC,
-					&vinc_start, &vinc_end);
+		dispc_get_reg_field(FEAT_REG_FIRHINC, &hinc_start, &hinc_end);
+		dispc_get_reg_field(FEAT_REG_FIRVINC, &vinc_start, &vinc_end);
 		val = FLD_VAL(vinc, vinc_start, vinc_end) |
 				FLD_VAL(hinc, hinc_start, hinc_end);
 
@@ -1530,8 +1551,8 @@ static void dispc_ovl_set_vid_accu0(enum omap_plane_id plane, int haccu,
 	u32 val;
 	u8 hor_start, hor_end, vert_start, vert_end;
 
-	dss_feat_get_reg_field(FEAT_REG_HORIZONTALACCU, &hor_start, &hor_end);
-	dss_feat_get_reg_field(FEAT_REG_VERTICALACCU, &vert_start, &vert_end);
+	dispc_get_reg_field(FEAT_REG_HORIZONTALACCU, &hor_start, &hor_end);
+	dispc_get_reg_field(FEAT_REG_VERTICALACCU, &vert_start, &vert_end);
 
 	val = FLD_VAL(vaccu, vert_start, vert_end) |
 			FLD_VAL(haccu, hor_start, hor_end);
@@ -1545,8 +1566,8 @@ static void dispc_ovl_set_vid_accu1(enum omap_plane_id plane, int haccu,
 	u32 val;
 	u8 hor_start, hor_end, vert_start, vert_end;
 
-	dss_feat_get_reg_field(FEAT_REG_HORIZONTALACCU, &hor_start, &hor_end);
-	dss_feat_get_reg_field(FEAT_REG_VERTICALACCU, &vert_start, &vert_end);
+	dispc_get_reg_field(FEAT_REG_HORIZONTALACCU, &hor_start, &hor_end);
+	dispc_get_reg_field(FEAT_REG_VERTICALACCU, &vert_start, &vert_end);
 
 	val = FLD_VAL(vaccu, vert_start, vert_end) |
 			FLD_VAL(haccu, hor_start, hor_end);
@@ -3711,6 +3732,36 @@ static void _omap_dispc_initial_config(void)
 		dispc_init_mflag();
 }
 
+static const struct dss_reg_field omap2_dispc_reg_fields[] = {
+	[FEAT_REG_FIRHINC]			= { 11, 0 },
+	[FEAT_REG_FIRVINC]			= { 27, 16 },
+	[FEAT_REG_FIFOLOWTHRESHOLD]		= { 8, 0 },
+	[FEAT_REG_FIFOHIGHTHRESHOLD]		= { 24, 16 },
+	[FEAT_REG_FIFOSIZE]			= { 8, 0 },
+	[FEAT_REG_HORIZONTALACCU]		= { 9, 0 },
+	[FEAT_REG_VERTICALACCU]			= { 25, 16 },
+};
+
+static const struct dss_reg_field omap3_dispc_reg_fields[] = {
+	[FEAT_REG_FIRHINC]			= { 12, 0 },
+	[FEAT_REG_FIRVINC]			= { 28, 16 },
+	[FEAT_REG_FIFOLOWTHRESHOLD]		= { 11, 0 },
+	[FEAT_REG_FIFOHIGHTHRESHOLD]		= { 27, 16 },
+	[FEAT_REG_FIFOSIZE]			= { 10, 0 },
+	[FEAT_REG_HORIZONTALACCU]		= { 9, 0 },
+	[FEAT_REG_VERTICALACCU]			= { 25, 16 },
+};
+
+static const struct dss_reg_field omap4_dispc_reg_fields[] = {
+	[FEAT_REG_FIRHINC]			= { 12, 0 },
+	[FEAT_REG_FIRVINC]			= { 28, 16 },
+	[FEAT_REG_FIFOLOWTHRESHOLD]		= { 15, 0 },
+	[FEAT_REG_FIFOHIGHTHRESHOLD]		= { 31, 16 },
+	[FEAT_REG_FIFOSIZE]			= { 15, 0 },
+	[FEAT_REG_HORIZONTALACCU]		= { 10, 0 },
+	[FEAT_REG_VERTICALACCU]			= { 26, 16 },
+};
+
 static const enum omap_overlay_caps omap2_dispc_overlay_caps[] = {
 	/* OMAP_DSS_GFX */
 	OMAP_DSS_OVL_CAP_POS | OMAP_DSS_OVL_CAP_REPLICATION,
@@ -3890,6 +3941,8 @@ static const struct dispc_features omap24xx_dispc_feats = {
 	.calc_scaling		=	dispc_ovl_calc_scaling_24xx,
 	.calc_core_clk		=	calc_core_clk_24xx,
 	.num_fifos		=	3,
+	.reg_fields		=	omap2_dispc_reg_fields,
+	.num_reg_fields		=	ARRAY_SIZE(omap2_dispc_reg_fields),
 	.overlay_caps		=	omap2_dispc_overlay_caps,
 	.supported_color_modes	=	omap2_dispc_supported_color_modes,
 	.num_mgrs		=	2,
@@ -3917,6 +3970,8 @@ static const struct dispc_features omap34xx_rev1_0_dispc_feats = {
 	.calc_scaling		=	dispc_ovl_calc_scaling_34xx,
 	.calc_core_clk		=	calc_core_clk_34xx,
 	.num_fifos		=	3,
+	.reg_fields		=	omap3_dispc_reg_fields,
+	.num_reg_fields		=	ARRAY_SIZE(omap3_dispc_reg_fields),
 	.overlay_caps		=	omap3430_dispc_overlay_caps,
 	.supported_color_modes	=	omap3_dispc_supported_color_modes,
 	.num_mgrs		=	2,
@@ -3944,6 +3999,8 @@ static const struct dispc_features omap34xx_rev3_0_dispc_feats = {
 	.calc_scaling		=	dispc_ovl_calc_scaling_34xx,
 	.calc_core_clk		=	calc_core_clk_34xx,
 	.num_fifos		=	3,
+	.reg_fields		=	omap3_dispc_reg_fields,
+	.num_reg_fields		=	ARRAY_SIZE(omap3_dispc_reg_fields),
 	.overlay_caps		=	omap3430_dispc_overlay_caps,
 	.supported_color_modes	=	omap3_dispc_supported_color_modes,
 	.num_mgrs		=	2,
@@ -3971,6 +4028,8 @@ static const struct dispc_features omap36xx_dispc_feats = {
 	.calc_scaling		=	dispc_ovl_calc_scaling_34xx,
 	.calc_core_clk		=	calc_core_clk_34xx,
 	.num_fifos		=	3,
+	.reg_fields		=	omap3_dispc_reg_fields,
+	.num_reg_fields		=	ARRAY_SIZE(omap3_dispc_reg_fields),
 	.overlay_caps		=	omap3630_dispc_overlay_caps,
 	.supported_color_modes	=	omap3_dispc_supported_color_modes,
 	.num_mgrs		=	2,
@@ -3998,6 +4057,8 @@ static const struct dispc_features am43xx_dispc_feats = {
 	.calc_scaling		=	dispc_ovl_calc_scaling_34xx,
 	.calc_core_clk		=	calc_core_clk_34xx,
 	.num_fifos		=	3,
+	.reg_fields		=	omap3_dispc_reg_fields,
+	.num_reg_fields		=	ARRAY_SIZE(omap3_dispc_reg_fields),
 	.overlay_caps		=	omap3430_dispc_overlay_caps,
 	.supported_color_modes	=	omap3_dispc_supported_color_modes,
 	.num_mgrs		=	1,
@@ -4025,6 +4086,8 @@ static const struct dispc_features omap44xx_dispc_feats = {
 	.calc_scaling		=	dispc_ovl_calc_scaling_44xx,
 	.calc_core_clk		=	calc_core_clk_44xx,
 	.num_fifos		=	5,
+	.reg_fields		=	omap4_dispc_reg_fields,
+	.num_reg_fields		=	ARRAY_SIZE(omap4_dispc_reg_fields),
 	.overlay_caps		=	omap4_dispc_overlay_caps,
 	.supported_color_modes	=	omap4_dispc_supported_color_modes,
 	.num_mgrs		=	3,
@@ -4057,6 +4120,8 @@ static const struct dispc_features omap54xx_dispc_feats = {
 	.calc_scaling		=	dispc_ovl_calc_scaling_44xx,
 	.calc_core_clk		=	calc_core_clk_44xx,
 	.num_fifos		=	5,
+	.reg_fields		=	omap4_dispc_reg_fields,
+	.num_reg_fields		=	ARRAY_SIZE(omap4_dispc_reg_fields),
 	.overlay_caps		=	omap4_dispc_overlay_caps,
 	.supported_color_modes	=	omap4_dispc_supported_color_modes,
 	.num_mgrs		=	4,
diff --git a/drivers/gpu/drm/omapdrm/dss/dss_features.c b/drivers/gpu/drm/omapdrm/dss/dss_features.c
index 04848196780e..b0a07c6558cd 100644
--- a/drivers/gpu/drm/omapdrm/dss/dss_features.c
+++ b/drivers/gpu/drm/omapdrm/dss/dss_features.c
@@ -33,9 +33,6 @@ struct dss_param_range {
 };
 
 struct omap_dss_features {
-	const struct dss_reg_field *reg_fields;
-	const int num_reg_fields;
-
 	const enum dss_feat_id *features;
 	const int num_features;
 
@@ -46,56 +43,6 @@ struct omap_dss_features {
 /* This struct is assigned to one of the below during initialization */
 static const struct omap_dss_features *omap_current_dss_features;
 
-static const struct dss_reg_field omap2_dss_reg_fields[] = {
-	[FEAT_REG_FIRHINC]			= { 11, 0 },
-	[FEAT_REG_FIRVINC]			= { 27, 16 },
-	[FEAT_REG_FIFOLOWTHRESHOLD]		= { 8, 0 },
-	[FEAT_REG_FIFOHIGHTHRESHOLD]		= { 24, 16 },
-	[FEAT_REG_FIFOSIZE]			= { 8, 0 },
-	[FEAT_REG_HORIZONTALACCU]		= { 9, 0 },
-	[FEAT_REG_VERTICALACCU]			= { 25, 16 },
-};
-
-static const struct dss_reg_field omap3_dss_reg_fields[] = {
-	[FEAT_REG_FIRHINC]			= { 12, 0 },
-	[FEAT_REG_FIRVINC]			= { 28, 16 },
-	[FEAT_REG_FIFOLOWTHRESHOLD]		= { 11, 0 },
-	[FEAT_REG_FIFOHIGHTHRESHOLD]		= { 27, 16 },
-	[FEAT_REG_FIFOSIZE]			= { 10, 0 },
-	[FEAT_REG_HORIZONTALACCU]		= { 9, 0 },
-	[FEAT_REG_VERTICALACCU]			= { 25, 16 },
-};
-
-static const struct dss_reg_field am43xx_dss_reg_fields[] = {
-	[FEAT_REG_FIRHINC]			= { 12, 0 },
-	[FEAT_REG_FIRVINC]			= { 28, 16 },
-	[FEAT_REG_FIFOLOWTHRESHOLD]	= { 11, 0 },
-	[FEAT_REG_FIFOHIGHTHRESHOLD]		= { 27, 16 },
-	[FEAT_REG_FIFOSIZE]		= { 10, 0 },
-	[FEAT_REG_HORIZONTALACCU]		= { 9, 0 },
-	[FEAT_REG_VERTICALACCU]			= { 25, 16 },
-};
-
-static const struct dss_reg_field omap4_dss_reg_fields[] = {
-	[FEAT_REG_FIRHINC]			= { 12, 0 },
-	[FEAT_REG_FIRVINC]			= { 28, 16 },
-	[FEAT_REG_FIFOLOWTHRESHOLD]		= { 15, 0 },
-	[FEAT_REG_FIFOHIGHTHRESHOLD]		= { 31, 16 },
-	[FEAT_REG_FIFOSIZE]			= { 15, 0 },
-	[FEAT_REG_HORIZONTALACCU]		= { 10, 0 },
-	[FEAT_REG_VERTICALACCU]			= { 26, 16 },
-};
-
-static const struct dss_reg_field omap5_dss_reg_fields[] = {
-	[FEAT_REG_FIRHINC]			= { 12, 0 },
-	[FEAT_REG_FIRVINC]			= { 28, 16 },
-	[FEAT_REG_FIFOLOWTHRESHOLD]		= { 15, 0 },
-	[FEAT_REG_FIFOHIGHTHRESHOLD]		= { 31, 16 },
-	[FEAT_REG_FIFOSIZE]			= { 15, 0 },
-	[FEAT_REG_HORIZONTALACCU]		= { 10, 0 },
-	[FEAT_REG_VERTICALACCU]			= { 26, 16 },
-};
-
 static const enum omap_dss_output_id omap2_dss_supported_outputs[] = {
 	/* OMAP_DSS_CHANNEL_LCD */
 	OMAP_DSS_OUTPUT_DPI | OMAP_DSS_OUTPUT_DBI,
@@ -358,9 +305,6 @@ static const enum dss_feat_id omap5_dss_feat_list[] = {
 
 /* OMAP2 DSS Features */
 static const struct omap_dss_features omap2_dss_features = {
-	.reg_fields = omap2_dss_reg_fields,
-	.num_reg_fields = ARRAY_SIZE(omap2_dss_reg_fields),
-
 	.features = omap2_dss_feat_list,
 	.num_features = ARRAY_SIZE(omap2_dss_feat_list),
 
@@ -370,9 +314,6 @@ static const struct omap_dss_features omap2_dss_features = {
 
 /* OMAP3 DSS Features */
 static const struct omap_dss_features omap3430_dss_features = {
-	.reg_fields = omap3_dss_reg_fields,
-	.num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
-
 	.features = omap3430_dss_feat_list,
 	.num_features = ARRAY_SIZE(omap3430_dss_feat_list),
 
@@ -385,9 +326,6 @@ static const struct omap_dss_features omap3430_dss_features = {
  * vdds_dsi regulator.
  */
 static const struct omap_dss_features am35xx_dss_features = {
-	.reg_fields = omap3_dss_reg_fields,
-	.num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
-
 	.features = am35xx_dss_feat_list,
 	.num_features = ARRAY_SIZE(am35xx_dss_feat_list),
 
@@ -396,9 +334,6 @@ static const struct omap_dss_features am35xx_dss_features = {
 };
 
 static const struct omap_dss_features am43xx_dss_features = {
-	.reg_fields = am43xx_dss_reg_fields,
-	.num_reg_fields = ARRAY_SIZE(am43xx_dss_reg_fields),
-
 	.features = am43xx_dss_feat_list,
 	.num_features = ARRAY_SIZE(am43xx_dss_feat_list),
 
@@ -407,9 +342,6 @@ static const struct omap_dss_features am43xx_dss_features = {
 };
 
 static const struct omap_dss_features omap3630_dss_features = {
-	.reg_fields = omap3_dss_reg_fields,
-	.num_reg_fields = ARRAY_SIZE(omap3_dss_reg_fields),
-
 	.features = omap3630_dss_feat_list,
 	.num_features = ARRAY_SIZE(omap3630_dss_feat_list),
 
@@ -420,9 +352,6 @@ static const struct omap_dss_features omap3630_dss_features = {
 /* OMAP4 DSS Features */
 /* For OMAP4430 ES 1.0 revision */
 static const struct omap_dss_features omap4430_es1_0_dss_features  = {
-	.reg_fields = omap4_dss_reg_fields,
-	.num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
-
 	.features = omap4430_es1_0_dss_feat_list,
 	.num_features = ARRAY_SIZE(omap4430_es1_0_dss_feat_list),
 
@@ -432,9 +361,6 @@ static const struct omap_dss_features omap4430_es1_0_dss_features  = {
 
 /* For OMAP4430 ES 2.0, 2.1 and 2.2 revisions */
 static const struct omap_dss_features omap4430_es2_0_1_2_dss_features = {
-	.reg_fields = omap4_dss_reg_fields,
-	.num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
-
 	.features = omap4430_es2_0_1_2_dss_feat_list,
 	.num_features = ARRAY_SIZE(omap4430_es2_0_1_2_dss_feat_list),
 
@@ -444,9 +370,6 @@ static const struct omap_dss_features omap4430_es2_0_1_2_dss_features = {
 
 /* For all the other OMAP4 versions */
 static const struct omap_dss_features omap4_dss_features = {
-	.reg_fields = omap4_dss_reg_fields,
-	.num_reg_fields = ARRAY_SIZE(omap4_dss_reg_fields),
-
 	.features = omap4_dss_feat_list,
 	.num_features = ARRAY_SIZE(omap4_dss_feat_list),
 
@@ -456,9 +379,6 @@ static const struct omap_dss_features omap4_dss_features = {
 
 /* OMAP5 DSS Features */
 static const struct omap_dss_features omap5_dss_features = {
-	.reg_fields = omap5_dss_reg_fields,
-	.num_reg_fields = ARRAY_SIZE(omap5_dss_reg_fields),
-
 	.features = omap5_dss_feat_list,
 	.num_features = ARRAY_SIZE(omap5_dss_feat_list),
 
@@ -497,15 +417,6 @@ bool dss_has_feature(enum dss_feat_id id)
 	return false;
 }
 
-void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end)
-{
-	if (id >= omap_current_dss_features->num_reg_fields)
-		BUG();
-
-	*start = omap_current_dss_features->reg_fields[id].start;
-	*end = omap_current_dss_features->reg_fields[id].end;
-}
-
 void dss_features_init(enum omapdss_version version)
 {
 	switch (version) {
diff --git a/drivers/gpu/drm/omapdrm/dss/dss_features.h b/drivers/gpu/drm/omapdrm/dss/dss_features.h
index e0e825db4b0a..24c57c55e785 100644
--- a/drivers/gpu/drm/omapdrm/dss/dss_features.h
+++ b/drivers/gpu/drm/omapdrm/dss/dss_features.h
@@ -64,17 +64,6 @@ enum dss_feat_id {
 	FEAT_MFLAG,
 };
 
-/* DSS register field id */
-enum dss_feat_reg_field {
-	FEAT_REG_FIRHINC,
-	FEAT_REG_FIRVINC,
-	FEAT_REG_FIFOHIGHTHRESHOLD,
-	FEAT_REG_FIFOLOWTHRESHOLD,
-	FEAT_REG_FIFOSIZE,
-	FEAT_REG_HORIZONTALACCU,
-	FEAT_REG_VERTICALACCU,
-};
-
 enum dss_range_param {
 	FEAT_PARAM_DSS_FCK,
 	FEAT_PARAM_DSS_PCD,
@@ -89,7 +78,6 @@ unsigned long dss_feat_get_param_min(enum dss_range_param param);
 unsigned long dss_feat_get_param_max(enum dss_range_param param);
 
 bool dss_has_feature(enum dss_feat_id id);
-void dss_feat_get_reg_field(enum dss_feat_reg_field id, u8 *start, u8 *end);
 void dss_features_init(enum omapdss_version version);
 
 enum omap_dss_output_id dss_feat_get_supported_outputs(enum omap_channel channel);