2024-01-29 09:31:44

by Manikandan Muralidharan

Subject: [PATCH RESEND v7 3/7] drm: atmel-hlcdc: Define SAM9X7 SoC XLCDC specific registers

From: Durai Manickam KR <[email protected]>

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 <[email protected]>
[[email protected]: Remove unused macro definitions]
Signed-off-by: Manikandan Muralidharan <[email protected]>
---
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 d5e01ff8c7f9..e6b4b0bb11b9 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

2024-01-31 08:56:06

by Lee Jones

Subject: Re: [PATCH RESEND v7 3/7] drm: atmel-hlcdc: Define SAM9X7 SoC XLCDC specific registers

On Mon, 29 Jan 2024, Manikandan Muralidharan wrote:

> From: Durai Manickam KR <[email protected]>
>
> 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 <[email protected]>
> [[email protected]: Remove unused macro definitions]
> Signed-off-by: Manikandan Muralidharan <[email protected]>
> ---
> drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_dc.h | 42 ++++++++++++++++++++

> include/linux/mfd/atmel-hlcdc.h | 10 +++++

Acked-by: Lee Jones <[email protected]>

> 2 files changed, 52 insertions(+)

--
Lee Jones [李琼斯]