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Message-ID: <20230927094732.490228-2-manikandan.m@microchip.com>
Date: Wed, 27 Sep 2023 15:17:26 +0530
From: Manikandan Muralidharan <manikandan.m@...rochip.com>
To: <sam@...nborg.org>, <bbrezillon@...nel.org>, <airlied@...il.com>,
<daniel@...ll.ch>, <nicolas.ferre@...rochip.com>,
<alexandre.belloni@...tlin.com>, <lee@...nel.org>,
<dri-devel@...ts.freedesktop.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>
CC: <Hari.PrasathGE@...rochip.com>,
<Balamanikandan.Gunasundar@...rochip.com>,
<Durai.ManickamKR@...rochip.com>, <Nayabbasha.Sayed@...rochip.com>,
<Dharma.B@...rochip.com>, <Varshini.Rajendran@...rochip.com>,
<Balakrishnan.S@...rochip.com>,
Manikandan Muralidharan <manikandan.m@...rochip.com>
Subject: [PATCH v6 1/7] drm: atmel-hlcdc: add flag and driver ops to differentiate XLCDC and HLCDC IP
Add is_xlcdc flag and LCD IP specific ops in driver data to differentiate
XLCDC and HLCDC code within the atmel-hlcdc driver files.
Signed-off-by: Manikandan Muralidharan <manikandan.m@...rochip.com>
---
drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h | 68 ++++++++++++++++++++
1 file changed, 68 insertions(+)
diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h
index 5b5c774e0edf..c61fa1733da4 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h
@@ -177,6 +177,9 @@ struct atmel_hlcdc_layer_cfg_layout {
int csc;
};
+struct atmel_hlcdc_plane_state;
+struct atmel_lcdc_dc_ops;
+
/**
* Atmel HLCDC DMA descriptor structure
*
@@ -304,8 +307,10 @@ atmel_hlcdc_layer_to_plane(struct atmel_hlcdc_layer *layer)
* @conflicting_output_formats: true if RGBXXX output formats conflict with
* each other.
* @fixed_clksrc: true if clock source is fixed
+ * @is_xlcdc: true if XLCDC IP is supported
* @layers: a layer description table describing available layers
* @nlayers: layer description table size
+ * @ops: atmel lcdc dc ops
*/
struct atmel_hlcdc_dc_desc {
int min_width;
@@ -317,8 +322,10 @@ struct atmel_hlcdc_dc_desc {
int max_hpw;
bool conflicting_output_formats;
bool fixed_clksrc;
+ bool is_xlcdc;
const struct atmel_hlcdc_layer_desc *layers;
int nlayers;
+ const struct atmel_lcdc_dc_ops *ops;
};
/**
@@ -345,6 +352,67 @@ struct atmel_hlcdc_dc {
} suspend;
};
+/**
+ * struct atmel_lcdc_dc_ops - describes atmel_lcdc ops group
+ * to differentiate HLCDC and XLCDC IP code support.
+ * @plane_setup_scaler: update the vertical and horizontal scaling factors
+ * @update_lcdc_buffers: update the each LCDC layers DMA registers.
+ * @lcdc_atomic_disable: disable LCDC interrupts and layers
+ * @lcdc_update_general_settings: update each LCDC layers general
+ * confiugration register.
+ * @lcdc_atomic_update: enable the LCDC layers and interrupts.
+ * @lcdc_csc_init: update the color space conversion co-efficient of
+ * High-end overlay register.
+ * @lcdc_irq_dbg: to raise alert incase of interrupt overrun in any LCDC layer.
+ */
+struct atmel_lcdc_dc_ops {
+ void (*plane_setup_scaler)(struct atmel_hlcdc_plane *plane,
+ struct atmel_hlcdc_plane_state *state);
+ void (*update_lcdc_buffers)(struct atmel_hlcdc_plane *plane,
+ struct atmel_hlcdc_plane_state *state,
+ u32 sr, int i);
+ void (*lcdc_atomic_disable)(struct atmel_hlcdc_plane *plane);
+ void (*lcdc_update_general_settings)(struct atmel_hlcdc_plane *plane,
+ struct atmel_hlcdc_plane_state *state);
+ void (*lcdc_atomic_update)(struct atmel_hlcdc_plane *plane,
+ struct atmel_hlcdc_dc *dc);
+ void (*lcdc_csc_init)(struct atmel_hlcdc_plane *plane,
+ const struct atmel_hlcdc_layer_desc *desc);
+ void (*lcdc_irq_dbg)(struct atmel_hlcdc_plane *plane,
+ const struct atmel_hlcdc_layer_desc *desc);
+};
+
+void atmel_hlcdc_plane_setup_scaler(struct atmel_hlcdc_plane *plane,
+ struct atmel_hlcdc_plane_state *state);
+void atmel_xlcdc_plane_setup_scaler(struct atmel_hlcdc_plane *plane,
+ struct atmel_hlcdc_plane_state *state);
+void update_hlcdc_buffers(struct atmel_hlcdc_plane *plane,
+ struct atmel_hlcdc_plane_state *state,
+ u32 sr, int i);
+void update_xlcdc_buffers(struct atmel_hlcdc_plane *plane,
+ struct atmel_hlcdc_plane_state *state,
+ u32 sr, int i);
+void hlcdc_atomic_disable(struct atmel_hlcdc_plane *plane);
+void xlcdc_atomic_disable(struct atmel_hlcdc_plane *plane);
+void
+atmel_hlcdc_plane_update_general_settings(struct atmel_hlcdc_plane *plane,
+ struct atmel_hlcdc_plane_state *state);
+void
+atmel_xlcdc_plane_update_general_settings(struct atmel_hlcdc_plane *plane,
+ struct atmel_hlcdc_plane_state *state);
+void hlcdc_atomic_update(struct atmel_hlcdc_plane *plane,
+ struct atmel_hlcdc_dc *dc);
+void xlcdc_atomic_update(struct atmel_hlcdc_plane *plane,
+ struct atmel_hlcdc_dc *dc);
+void hlcdc_csc_init(struct atmel_hlcdc_plane *plane,
+ const struct atmel_hlcdc_layer_desc *desc);
+void xlcdc_csc_init(struct atmel_hlcdc_plane *plane,
+ const struct atmel_hlcdc_layer_desc *desc);
+void hlcdc_irq_dbg(struct atmel_hlcdc_plane *plane,
+ const struct atmel_hlcdc_layer_desc *desc);
+void xlcdc_irq_dbg(struct atmel_hlcdc_plane *plane,
+ const struct atmel_hlcdc_layer_desc *desc);
+
extern struct atmel_hlcdc_formats atmel_hlcdc_plane_rgb_formats;
extern struct atmel_hlcdc_formats atmel_hlcdc_plane_rgb_and_yuv_formats;
--
2.25.1
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