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// license:BSD-3-Clause
// copyright-holders:Olivier Galibert
/***************************************************************************
sh_dmac.h
SH DMA controller
***************************************************************************/
#ifndef MAME_CPU_SH_SH_DMAC_H
#define MAME_CPU_SH_SH_DMAC_H
#pragma once
// To generalize eventually
class sh7042_device;
class sh_intc_device;
class sh_dmac_device : public device_t {
public:
sh_dmac_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0);
template <typename T> sh_dmac_device(const machine_config &mconfig, const char *tag, device_t *owner, T &&cpu)
: sh_dmac_device(mconfig, tag, owner)
{
set_info(cpu);
}
template<typename T> void set_info(T &&cpu) { m_cpu.set_tag(std::forward<T>(cpu)); }
u16 dmaor_r();
void dmaor_w(offs_t, u16 data, u16 mem_mask);
protected:
required_device<sh7042_device> m_cpu;
u16 m_dmaor;
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
};
class sh_dmac_channel_device : public device_t {
public:
sh_dmac_channel_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock = 0);
template <typename T, typename U> sh_dmac_channel_device(const machine_config &mconfig, const char *tag, device_t *owner, T &&cpu, U &&intc)
: sh_dmac_channel_device(mconfig, tag, owner)
{
set_info(cpu, intc);
}
template<typename T, typename U> void set_info(T &&cpu, U &&intc) { m_cpu.set_tag(std::forward<T>(cpu)); m_intc.set_tag(std::forward<U>(intc)); }
u32 sar_r();
void sar_w(offs_t, u32 data, u32 mem_mask);
u32 dar_r();
void dar_w(offs_t, u32 data, u32 mem_mask);
u32 dmatcr_r();
void dmatcr_w(offs_t, u32 data, u32 mem_mask);
u32 chcr_r();
void chcr_w(offs_t, u32 data, u32 mem_mask);
protected:
required_device<sh7042_device> m_cpu;
required_device<sh_intc_device> m_intc;
u32 m_sar, m_dar, m_dmatcr, m_chcr;
virtual void device_start() override ATTR_COLD;
virtual void device_reset() override ATTR_COLD;
};
DECLARE_DEVICE_TYPE(SH_DMAC, sh_dmac_device)
DECLARE_DEVICE_TYPE(SH_DMAC_CHANNEL, sh_dmac_channel_device)
#endif
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