92 lines
2.2 KiB
C
92 lines
2.2 KiB
C
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/*
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* Copyright (c) 2017 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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*
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* Core file for Samsung EXYNOS Scaler driver
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include "scaler.h"
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#define CREATE_TRACE_POINTS
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#include <trace/events/systrace.h>
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static void show_crop(struct v4l2_rect *rect)
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{
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pr_info(" - crop: L,T,W,H: %d, %d, %d, %d\n",
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rect->left, rect->top, rect->width, rect->height);
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}
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static void show_addr(struct sc_addr *addr)
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{
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int i;
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for (i = 0; i < SC_MAX_PLANES; i++)
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pr_info(" * plane%d. addr: %#lx, size: %#x\n",
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i, (unsigned long)addr->ioaddr[i], addr->size[i]);
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}
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static void show_frame(char *name, struct sc_frame *frame)
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{
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pr_info(" * %s) WxH : %d x %d\n", name, frame->width, frame->height);
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show_crop(&frame->crop);
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show_addr(&frame->addr);
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if (frame->sc_fmt)
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pr_info(" * Name : %s\n", frame->sc_fmt->name);
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}
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static void show_int_frame(struct sc_int_frame *i_frame)
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{
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show_addr(&i_frame->src_addr);
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show_addr(&i_frame->dst_addr);
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}
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void sc_ctx_dump(struct sc_ctx *ctx)
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{
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pr_info("> scaler context info <\n");
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show_frame("source", &ctx->s_frame);
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show_frame("dest", &ctx->d_frame);
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pr_info(" - h_ratio: %#x, v_ratio: %#x\n", ctx->h_ratio, ctx->v_ratio);
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pr_info(" - flip_rot_cfg: %#x\n", ctx->flip_rot_cfg);
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pr_info(" - flags: %#lx\n", ctx->flags);
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pr_info(" - %s\n", ctx->cp_enabled ? "secure" : "non-secure");
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if (test_bit(CTX_INT_FRAME, &ctx->flags)) {
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show_frame("Internal", &ctx->i_frame->frame);
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show_int_frame(ctx->i_frame);
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}
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}
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#define SC_TRACE_BUF_SIZE (40)
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void sc_tracing_mark_write(struct sc_ctx *ctx, char trace_id, const char *str,
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int en)
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{
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char buf[SC_TRACE_BUF_SIZE] = {0,};
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if (!ctx->pid)
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return;
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switch (trace_id) {
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case 'B': /* B : Begin */
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snprintf(buf, SC_TRACE_BUF_SIZE, "B|%d|%s", ctx->pid, str);
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break;
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case 'E': /* E : End */
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strcpy(buf, "E");
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break;
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case 'C': /* C : Category */
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snprintf(buf, SC_TRACE_BUF_SIZE,
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"C|%d|%s|%d", ctx->pid, str, en);
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break;
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default:
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dev_err(ctx->sc_dev->dev,
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"%c is invalid arg for systrace\n", trace_id);
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return;
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}
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trace_tracing_mark_write(buf);
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}
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