1 /*
2  * Copyright (c) 2015-2016 MediaTek Inc.
3  * Author: Houlong Wei <houlong.wei@mediatek.com>
4  *         Ming Hsiu Tsai <minghsiu.tsai@mediatek.com>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License for more details.
14  */
15 
16 #include <linux/platform_device.h>
17 
18 #include "mtk_mdp_core.h"
19 #include "mtk_mdp_regs.h"
20 
21 
22 #define MDP_COLORFMT_PACK(VIDEO, PLANE, COPLANE, HF, VF, BITS, GROUP, SWAP, ID)\
23 	(((VIDEO) << 27) | ((PLANE) << 24) | ((COPLANE) << 22) |\
24 	((HF) << 20) | ((VF) << 18) | ((BITS) << 8) | ((GROUP) << 6) |\
25 	((SWAP) << 5) | ((ID) << 0))
26 
27 enum MDP_COLOR_ENUM {
28 	MDP_COLOR_UNKNOWN = 0,
29 	MDP_COLOR_NV12 = MDP_COLORFMT_PACK(0, 2, 1, 1, 1, 8, 1, 0, 12),
30 	MDP_COLOR_I420 = MDP_COLORFMT_PACK(0, 3, 0, 1, 1, 8, 1, 0, 8),
31 	MDP_COLOR_YV12 = MDP_COLORFMT_PACK(0, 3, 0, 1, 1, 8, 1, 1, 8),
32 	/* Mediatek proprietary format */
33 	MDP_COLOR_420_MT21 = MDP_COLORFMT_PACK(5, 2, 1, 1, 1, 256, 1, 0, 12),
34 };
35 
mtk_mdp_map_color_format(int v4l2_format)36 static int32_t mtk_mdp_map_color_format(int v4l2_format)
37 {
38 	switch (v4l2_format) {
39 	case V4L2_PIX_FMT_NV12M:
40 	case V4L2_PIX_FMT_NV12:
41 		return MDP_COLOR_NV12;
42 	case V4L2_PIX_FMT_MT21C:
43 		return MDP_COLOR_420_MT21;
44 	case V4L2_PIX_FMT_YUV420M:
45 	case V4L2_PIX_FMT_YUV420:
46 		return MDP_COLOR_I420;
47 	case V4L2_PIX_FMT_YVU420:
48 		return MDP_COLOR_YV12;
49 	}
50 
51 	mtk_mdp_err("Unknown format 0x%x", v4l2_format);
52 
53 	return MDP_COLOR_UNKNOWN;
54 }
55 
mtk_mdp_hw_set_input_addr(struct mtk_mdp_ctx * ctx,struct mtk_mdp_addr * addr)56 void mtk_mdp_hw_set_input_addr(struct mtk_mdp_ctx *ctx,
57 			       struct mtk_mdp_addr *addr)
58 {
59 	struct mdp_buffer *src_buf = &ctx->vpu.vsi->src_buffer;
60 	int i;
61 
62 	for (i = 0; i < ARRAY_SIZE(addr->addr); i++)
63 		src_buf->addr_mva[i] = (uint64_t)addr->addr[i];
64 }
65 
mtk_mdp_hw_set_output_addr(struct mtk_mdp_ctx * ctx,struct mtk_mdp_addr * addr)66 void mtk_mdp_hw_set_output_addr(struct mtk_mdp_ctx *ctx,
67 				struct mtk_mdp_addr *addr)
68 {
69 	struct mdp_buffer *dst_buf = &ctx->vpu.vsi->dst_buffer;
70 	int i;
71 
72 	for (i = 0; i < ARRAY_SIZE(addr->addr); i++)
73 		dst_buf->addr_mva[i] = (uint64_t)addr->addr[i];
74 }
75 
mtk_mdp_hw_set_in_size(struct mtk_mdp_ctx * ctx)76 void mtk_mdp_hw_set_in_size(struct mtk_mdp_ctx *ctx)
77 {
78 	struct mtk_mdp_frame *frame = &ctx->s_frame;
79 	struct mdp_config *config = &ctx->vpu.vsi->src_config;
80 
81 	/* Set input pixel offset */
82 	config->crop_x = frame->crop.left;
83 	config->crop_y = frame->crop.top;
84 
85 	/* Set input cropped size */
86 	config->crop_w = frame->crop.width;
87 	config->crop_h = frame->crop.height;
88 
89 	/* Set input original size */
90 	config->x = 0;
91 	config->y = 0;
92 	config->w = frame->width;
93 	config->h = frame->height;
94 }
95 
mtk_mdp_hw_set_in_image_format(struct mtk_mdp_ctx * ctx)96 void mtk_mdp_hw_set_in_image_format(struct mtk_mdp_ctx *ctx)
97 {
98 	unsigned int i;
99 	struct mtk_mdp_frame *frame = &ctx->s_frame;
100 	struct mdp_config *config = &ctx->vpu.vsi->src_config;
101 	struct mdp_buffer *src_buf = &ctx->vpu.vsi->src_buffer;
102 
103 	src_buf->plane_num = frame->fmt->num_comp;
104 	config->format = mtk_mdp_map_color_format(frame->fmt->pixelformat);
105 	config->w_stride = 0; /* MDP will calculate it by color format. */
106 	config->h_stride = 0; /* MDP will calculate it by color format. */
107 
108 	for (i = 0; i < src_buf->plane_num; i++)
109 		src_buf->plane_size[i] = frame->payload[i];
110 }
111 
mtk_mdp_hw_set_out_size(struct mtk_mdp_ctx * ctx)112 void mtk_mdp_hw_set_out_size(struct mtk_mdp_ctx *ctx)
113 {
114 	struct mtk_mdp_frame *frame = &ctx->d_frame;
115 	struct mdp_config *config = &ctx->vpu.vsi->dst_config;
116 
117 	config->crop_x = frame->crop.left;
118 	config->crop_y = frame->crop.top;
119 	config->crop_w = frame->crop.width;
120 	config->crop_h = frame->crop.height;
121 	config->x = 0;
122 	config->y = 0;
123 	config->w = frame->width;
124 	config->h = frame->height;
125 }
126 
mtk_mdp_hw_set_out_image_format(struct mtk_mdp_ctx * ctx)127 void mtk_mdp_hw_set_out_image_format(struct mtk_mdp_ctx *ctx)
128 {
129 	unsigned int i;
130 	struct mtk_mdp_frame *frame = &ctx->d_frame;
131 	struct mdp_config *config = &ctx->vpu.vsi->dst_config;
132 	struct mdp_buffer *dst_buf = &ctx->vpu.vsi->dst_buffer;
133 
134 	dst_buf->plane_num = frame->fmt->num_comp;
135 	config->format = mtk_mdp_map_color_format(frame->fmt->pixelformat);
136 	config->w_stride = 0; /* MDP will calculate it by color format. */
137 	config->h_stride = 0; /* MDP will calculate it by color format. */
138 	for (i = 0; i < dst_buf->plane_num; i++)
139 		dst_buf->plane_size[i] = frame->payload[i];
140 }
141 
mtk_mdp_hw_set_rotation(struct mtk_mdp_ctx * ctx)142 void mtk_mdp_hw_set_rotation(struct mtk_mdp_ctx *ctx)
143 {
144 	struct mdp_config_misc *misc = &ctx->vpu.vsi->misc;
145 
146 	misc->orientation = ctx->ctrls.rotate->val;
147 	misc->hflip = ctx->ctrls.hflip->val;
148 	misc->vflip = ctx->ctrls.vflip->val;
149 }
150 
mtk_mdp_hw_set_global_alpha(struct mtk_mdp_ctx * ctx)151 void mtk_mdp_hw_set_global_alpha(struct mtk_mdp_ctx *ctx)
152 {
153 	struct mdp_config_misc *misc = &ctx->vpu.vsi->misc;
154 
155 	misc->alpha = ctx->ctrls.global_alpha->val;
156 }
157