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The goal was to reduce common setup of messages. Changes: * MailBox turned into singleton to follow existing patterns * Removed device specific messages from MailBox requiring clients to know the details instead * Created base Message class which clients should deriver from It really simplify the usage for more complicated message queues like framebuffer setup - see followup commits.
46 lines
741 B
C++
46 lines
741 B
C++
/*
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* Copyright (c) 2021, Nico Weber <thakis@chromium.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Types.h>
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namespace Prekernel {
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struct TimerRegisters;
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class Timer {
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public:
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static Timer& the();
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u64 microseconds_since_boot();
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enum class ClockID {
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Reserved = 0,
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EMMC = 1,
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UART = 2,
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ARM = 3,
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CORE = 4,
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V3D = 5,
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H264 = 6,
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ISP = 7,
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SDRAM = 8,
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PIXEL = 9,
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PWM = 10,
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HEVC = 11,
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EMMC2 = 12,
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M2MC = 13,
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PIXEL_BVB = 14,
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};
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u32 set_clock_rate(ClockID, u32 rate_hz, bool skip_setting_turbo = true);
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private:
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Timer();
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TimerRegisters volatile* m_registers;
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};
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}
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