xref: /linux/drivers/gpu/drm/arm/display/komeda/d71/d71_dev.c (revision 18f90d372cf35b387663f1567de701e5393f6eb5)
1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * (C) COPYRIGHT 2018 ARM Limited. All rights reserved.
4  * Author: James.Qian.Wang <james.qian.wang@arm.com>
5  *
6  */
7 #include "malidp_io.h"
8 #include "komeda_dev.h"
9 
10 static int d71_enum_resources(struct komeda_dev *mdev)
11 {
12 	/* TODO add enum resources */
13 	return -1;
14 }
15 
16 #define __HW_ID(__group, __format) \
17 	((((__group) & 0x7) << 3) | ((__format) & 0x7))
18 
19 #define RICH		KOMEDA_FMT_RICH_LAYER
20 #define SIMPLE		KOMEDA_FMT_SIMPLE_LAYER
21 #define RICH_SIMPLE	(KOMEDA_FMT_RICH_LAYER | KOMEDA_FMT_SIMPLE_LAYER)
22 #define RICH_WB		(KOMEDA_FMT_RICH_LAYER | KOMEDA_FMT_WB_LAYER)
23 #define RICH_SIMPLE_WB	(RICH_SIMPLE | KOMEDA_FMT_WB_LAYER)
24 
25 #define Rot_0		DRM_MODE_ROTATE_0
26 #define Flip_H_V	(DRM_MODE_REFLECT_X | DRM_MODE_REFLECT_Y | Rot_0)
27 #define Rot_ALL_H_V	(DRM_MODE_ROTATE_MASK | Flip_H_V)
28 
29 #define LYT_NM		BIT(AFBC_FORMAT_MOD_BLOCK_SIZE_16x16)
30 #define LYT_WB		BIT(AFBC_FORMAT_MOD_BLOCK_SIZE_32x8)
31 #define LYT_NM_WB	(LYT_NM | LYT_WB)
32 
33 #define AFB_TH		AFBC(_TILED | _SPARSE)
34 #define AFB_TH_SC_YTR	AFBC(_TILED | _SC | _SPARSE | _YTR)
35 #define AFB_TH_SC_YTR_BS AFBC(_TILED | _SC | _SPARSE | _YTR | _SPLIT)
36 
37 static struct komeda_format_caps d71_format_caps_table[] = {
38 	/*   HW_ID    |        fourcc        | tile_sz |   layer_types |   rots    | afbc_layouts | afbc_features */
39 	/* ABGR_2101010*/
40 	{__HW_ID(0, 0),	DRM_FORMAT_ARGB2101010,	1,	RICH_SIMPLE_WB,	Flip_H_V,		0, 0},
41 	{__HW_ID(0, 1),	DRM_FORMAT_ABGR2101010,	1,	RICH_SIMPLE_WB,	Flip_H_V,		0, 0},
42 	{__HW_ID(0, 1),	DRM_FORMAT_ABGR2101010,	1,	RICH_SIMPLE,	Rot_ALL_H_V,	LYT_NM_WB, AFB_TH_SC_YTR_BS}, /* afbc */
43 	{__HW_ID(0, 2),	DRM_FORMAT_RGBA1010102,	1,	RICH_SIMPLE_WB,	Flip_H_V,		0, 0},
44 	{__HW_ID(0, 3),	DRM_FORMAT_BGRA1010102,	1,	RICH_SIMPLE_WB,	Flip_H_V,		0, 0},
45 	/* ABGR_8888*/
46 	{__HW_ID(1, 0),	DRM_FORMAT_ARGB8888,	1,	RICH_SIMPLE_WB,	Flip_H_V,		0, 0},
47 	{__HW_ID(1, 1),	DRM_FORMAT_ABGR8888,	1,	RICH_SIMPLE_WB,	Flip_H_V,		0, 0},
48 	{__HW_ID(1, 1),	DRM_FORMAT_ABGR8888,	1,	RICH_SIMPLE,	Rot_ALL_H_V,	LYT_NM_WB, AFB_TH_SC_YTR_BS}, /* afbc */
49 	{__HW_ID(1, 2),	DRM_FORMAT_RGBA8888,	1,	RICH_SIMPLE_WB,	Flip_H_V,		0, 0},
50 	{__HW_ID(1, 3),	DRM_FORMAT_BGRA8888,	1,	RICH_SIMPLE_WB,	Flip_H_V,		0, 0},
51 	/* XBGB_8888 */
52 	{__HW_ID(2, 0),	DRM_FORMAT_XRGB8888,	1,	RICH_SIMPLE_WB,	Flip_H_V,		0, 0},
53 	{__HW_ID(2, 1),	DRM_FORMAT_XBGR8888,	1,	RICH_SIMPLE_WB,	Flip_H_V,		0, 0},
54 	{__HW_ID(2, 2),	DRM_FORMAT_RGBX8888,	1,	RICH_SIMPLE_WB,	Flip_H_V,		0, 0},
55 	{__HW_ID(2, 3),	DRM_FORMAT_BGRX8888,	1,	RICH_SIMPLE_WB,	Flip_H_V,		0, 0},
56 	/* BGR_888 */ /* none-afbc RGB888 doesn't support rotation and flip */
57 	{__HW_ID(3, 0),	DRM_FORMAT_RGB888,	1,	RICH_SIMPLE_WB,	Rot_0,			0, 0},
58 	{__HW_ID(3, 1),	DRM_FORMAT_BGR888,	1,	RICH_SIMPLE_WB,	Rot_0,			0, 0},
59 	{__HW_ID(3, 1),	DRM_FORMAT_BGR888,	1,	RICH_SIMPLE,	Rot_ALL_H_V,	LYT_NM_WB, AFB_TH_SC_YTR_BS}, /* afbc */
60 	/* BGR 16bpp */
61 	{__HW_ID(4, 0),	DRM_FORMAT_RGBA5551,	1,	RICH_SIMPLE,	Flip_H_V,		0, 0},
62 	{__HW_ID(4, 1),	DRM_FORMAT_ABGR1555,	1,	RICH_SIMPLE,	Flip_H_V,		0, 0},
63 	{__HW_ID(4, 1),	DRM_FORMAT_ABGR1555,	1,	RICH_SIMPLE,	Rot_ALL_H_V,	LYT_NM_WB, AFB_TH_SC_YTR}, /* afbc */
64 	{__HW_ID(4, 2),	DRM_FORMAT_RGB565,	1,	RICH_SIMPLE,	Flip_H_V,		0, 0},
65 	{__HW_ID(4, 3),	DRM_FORMAT_BGR565,	1,	RICH_SIMPLE,	Flip_H_V,		0, 0},
66 	{__HW_ID(4, 3),	DRM_FORMAT_BGR565,	1,	RICH_SIMPLE,	Rot_ALL_H_V,	LYT_NM_WB, AFB_TH_SC_YTR}, /* afbc */
67 	{__HW_ID(4, 4), DRM_FORMAT_R8,		1,	SIMPLE,		Rot_0,			0, 0},
68 	/* YUV 444/422/420 8bit  */
69 	{__HW_ID(5, 0),	0 /*XYUV8888*/,		1,	0,		0,			0, 0},
70 	/* XYUV unsupported*/
71 	{__HW_ID(5, 1),	DRM_FORMAT_YUYV,	1,	RICH,		Rot_ALL_H_V,	LYT_NM, AFB_TH}, /* afbc */
72 	{__HW_ID(5, 2),	DRM_FORMAT_YUYV,	1,	RICH,		Flip_H_V,		0, 0},
73 	{__HW_ID(5, 3),	DRM_FORMAT_UYVY,	1,	RICH,		Flip_H_V,		0, 0},
74 	{__HW_ID(5, 4),	0, /*X0L0 */		2,		0,			0, 0}, /* Y0L0 unsupported */
75 	{__HW_ID(5, 6),	DRM_FORMAT_NV12,	1,	RICH,		Flip_H_V,		0, 0},
76 	{__HW_ID(5, 6),	0/*DRM_FORMAT_YUV420_8BIT*/,	1,	RICH,	Rot_ALL_H_V,	LYT_NM, AFB_TH}, /* afbc */
77 	{__HW_ID(5, 7),	DRM_FORMAT_YUV420,	1,	RICH,		Flip_H_V,		0, 0},
78 	/* YUV 10bit*/
79 	{__HW_ID(6, 0),	0,/*XVYU2101010*/	1,	0,		0,			0, 0},/* VYV30 unsupported */
80 	{__HW_ID(6, 6),	0/*DRM_FORMAT_X0L2*/,	2,	RICH,		Flip_H_V,		0, 0},
81 	{__HW_ID(6, 7),	0/*DRM_FORMAT_P010*/,	1,	RICH,		Flip_H_V,		0, 0},
82 	{__HW_ID(6, 7),	0/*DRM_FORMAT_YUV420_10BIT*/, 1,	RICH,	Rot_ALL_H_V,	LYT_NM, AFB_TH},
83 };
84 
85 static void d71_init_fmt_tbl(struct komeda_dev *mdev)
86 {
87 	struct komeda_format_caps_table *table = &mdev->fmt_tbl;
88 
89 	table->format_caps = d71_format_caps_table;
90 	table->n_formats = ARRAY_SIZE(d71_format_caps_table);
91 }
92 
93 static struct komeda_dev_funcs d71_chip_funcs = {
94 	.init_format_table = d71_init_fmt_tbl,
95 	.enum_resources	= d71_enum_resources,
96 	.cleanup	= NULL,
97 };
98 
99 #define GLB_ARCH_ID		0x000
100 #define GLB_CORE_ID		0x004
101 #define GLB_CORE_INFO		0x008
102 
103 struct komeda_dev_funcs *
104 d71_identify(u32 __iomem *reg_base, struct komeda_chip_info *chip)
105 {
106 	chip->arch_id	= malidp_read32(reg_base, GLB_ARCH_ID);
107 	chip->core_id	= malidp_read32(reg_base, GLB_CORE_ID);
108 	chip->core_info	= malidp_read32(reg_base, GLB_CORE_INFO);
109 
110 	return &d71_chip_funcs;
111 }
112