linux-kernel - [PATCH v6 3/7] drm: atmel-hlcdc: Define SAM9X7 SoC XLCDC specific registers

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Message-ID: <20230927094732.490228-4-manikandan.m@microchip.com>
Date:   Wed, 27 Sep 2023 15:17:28 +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>,
        Durai Manickam KR <durai.manickamkr@...rochip.com>
Subject: [PATCH v6 3/7] drm: atmel-hlcdc: Define SAM9X7 SoC XLCDC specific registers

From: Durai Manickam KR <durai.manickamkr@...rochip.com>

The register address of the XLCDC IP used in SAM9X7 SoC family
are different from the previous HLCDC. Defining those address
space with valid macros.

Signed-off-by: Durai Manickam KR <durai.manickamkr@...rochip.com>
[manikandan.m@...rochip.com: Remove unused macro definitions]
Signed-off-by: Manikandan Muralidharan <manikandan.m@...rochip.com>
---
 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h | 42 ++++++++++++++++++++
 include/linux/mfd/atmel-hlcdc.h              | 10 +++++
 2 files changed, 52 insertions(+)

diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h
index c61fa1733da4..9965c7cc5bf8 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h
@@ -15,6 +15,7 @@
 
 #include <drm/drm_plane.h>
 
+/* LCD controller common registers */
 #define ATMEL_HLCDC_LAYER_CHER			0x0
 #define ATMEL_HLCDC_LAYER_CHDR			0x4
 #define ATMEL_HLCDC_LAYER_CHSR			0x8
@@ -128,6 +129,47 @@
 
 #define ATMEL_HLCDC_MAX_LAYERS			6
 
+/* XLCDC controller specific registers */
+#define ATMEL_XLCDC_LAYER_ENR			0x10
+#define ATMEL_XLCDC_LAYER_EN			BIT(0)
+
+#define ATMEL_XLCDC_LAYER_IER			0x0
+#define ATMEL_XLCDC_LAYER_IDR			0x4
+#define ATMEL_XLCDC_LAYER_ISR			0xc
+#define ATMEL_XLCDC_LAYER_OVR_IRQ(p)		BIT(2 + (8 * (p)))
+
+#define ATMEL_XLCDC_LAYER_PLANE_ADDR(p)		(((p) * 0x4) + 0x18)
+
+#define ATMEL_XLCDC_LAYER_DMA_CFG		0
+
+#define ATMEL_XLCDC_LAYER_DMA			BIT(0)
+#define ATMEL_XLCDC_LAYER_REP			BIT(1)
+#define ATMEL_XLCDC_LAYER_DISCEN		BIT(4)
+
+#define ATMEL_XLCDC_LAYER_SFACTC_A0_MULT_AS	(4 << 6)
+#define ATMEL_XLCDC_LAYER_SFACTA_ONE		BIT(9)
+#define ATMEL_XLCDC_LAYER_DFACTC_M_A0_MULT_AS	(6 << 11)
+#define ATMEL_XLCDC_LAYER_DFACTA_ONE		BIT(14)
+
+#define ATMEL_XLCDC_LAYER_A0_SHIFT		16
+#define ATMEL_XLCDC_LAYER_A0(x)			\
+	((x) << ATMEL_XLCDC_LAYER_A0_SHIFT)
+
+#define ATMEL_XLCDC_LAYER_VSCALER_LUMA_ENABLE		BIT(0)
+#define ATMEL_XLCDC_LAYER_VSCALER_CHROMA_ENABLE		BIT(1)
+#define ATMEL_XLCDC_LAYER_HSCALER_LUMA_ENABLE		BIT(4)
+#define ATMEL_XLCDC_LAYER_HSCALER_CHROMA_ENABLE		BIT(5)
+
+#define ATMEL_XLCDC_LAYER_VXSYCFG_ONE		BIT(0)
+#define ATMEL_XLCDC_LAYER_VXSYTAP2_ENABLE	BIT(4)
+#define ATMEL_XLCDC_LAYER_VXSCCFG_ONE		BIT(16)
+#define ATMEL_XLCDC_LAYER_VXSCTAP2_ENABLE	BIT(20)
+
+#define ATMEL_XLCDC_LAYER_HXSYCFG_ONE		BIT(0)
+#define ATMEL_XLCDC_LAYER_HXSYTAP2_ENABLE	BIT(4)
+#define ATMEL_XLCDC_LAYER_HXSCCFG_ONE		BIT(16)
+#define ATMEL_XLCDC_LAYER_HXSCTAP2_ENABLE	BIT(20)
+
 /**
  * Atmel HLCDC Layer registers layout structure
  *
diff --git a/include/linux/mfd/atmel-hlcdc.h b/include/linux/mfd/atmel-hlcdc.h
index a186119a49b5..80d675a03b39 100644
--- a/include/linux/mfd/atmel-hlcdc.h
+++ b/include/linux/mfd/atmel-hlcdc.h
@@ -22,6 +22,8 @@
 #define ATMEL_HLCDC_DITHER		BIT(6)
 #define ATMEL_HLCDC_DISPDLY		BIT(7)
 #define ATMEL_HLCDC_MODE_MASK		GENMASK(9, 8)
+#define ATMEL_XLCDC_MODE_MASK		GENMASK(10, 8)
+#define ATMEL_XLCDC_DPI			BIT(11)
 #define ATMEL_HLCDC_PP			BIT(10)
 #define ATMEL_HLCDC_VSPSU		BIT(12)
 #define ATMEL_HLCDC_VSPHO		BIT(13)
@@ -34,6 +36,12 @@
 #define ATMEL_HLCDC_IDR			0x30
 #define ATMEL_HLCDC_IMR			0x34
 #define ATMEL_HLCDC_ISR			0x38
+#define ATMEL_XLCDC_ATTRE		0x3c
+
+#define ATMEL_XLCDC_BASE_UPDATE		BIT(0)
+#define ATMEL_XLCDC_OVR1_UPDATE		BIT(1)
+#define ATMEL_XLCDC_OVR3_UPDATE		BIT(2)
+#define ATMEL_XLCDC_HEO_UPDATE		BIT(3)
 
 #define ATMEL_HLCDC_CLKPOL		BIT(0)
 #define ATMEL_HLCDC_CLKSEL		BIT(2)
@@ -48,6 +56,8 @@
 #define ATMEL_HLCDC_DISP		BIT(2)
 #define ATMEL_HLCDC_PWM			BIT(3)
 #define ATMEL_HLCDC_SIP			BIT(4)
+#define ATMEL_XLCDC_SD			BIT(5)
+#define ATMEL_XLCDC_CM			BIT(6)
 
 #define ATMEL_HLCDC_SOF			BIT(0)
 #define ATMEL_HLCDC_SYNCDIS		BIT(1)
-- 
2.25.1