102 lines
2.9 KiB
C++
102 lines
2.9 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id$
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2011 The Bochs Project
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#ifndef BX_IODEV_ES1370_H
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#define BX_IODEV_ES1370_H
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#if BX_USE_ES1370_SMF
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# define BX_ES1370_SMF static
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# define BX_ES1370_THIS theES1370Device->
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# define BX_ES1370_THIS_PTR theES1370Device
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#else
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# define BX_ES1370_SMF
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# define BX_ES1370_THIS this->
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# define BX_ES1370_THIS_PTR this
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#endif
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typedef struct {
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Bit32u shift;
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Bit32u leftover;
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Bit32u scount;
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Bit32u frame_addr;
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Bit32u frame_cnt;
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} chan_t;
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typedef struct {
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chan_t chan[3];
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Bit32u ctl;
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Bit32u status;
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Bit32u mempage;
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Bit32u codec;
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Bit32u sctl;
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int dac1_timer_index;
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int dac2_timer_index;
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bx_bool dac_outputinit;
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bx_bool adc_inputinit;
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int dac_nr_active;
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Bit16u dac_packet_size[2];
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Bit32u base_ioaddr;
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Bit8u devfunc;
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} bx_es1370_t;
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// forward definition
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class bx_sound_lowlevel_c;
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class bx_es1370_c : public bx_devmodel_c, bx_pci_device_stub_c {
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public:
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bx_es1370_c();
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virtual ~bx_es1370_c();
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virtual void init(void);
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virtual void reset(unsigned type);
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virtual void register_state(void);
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virtual void after_restore_state(void);
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virtual Bit32u pci_read_handler(Bit8u address, unsigned io_len);
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virtual void pci_write_handler(Bit8u address, Bit32u value, unsigned io_len);
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private:
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bx_es1370_t s;
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BX_ES1370_SMF void set_irq_level(bx_bool level);
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BX_ES1370_SMF void update_status(Bit32u new_status);
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BX_ES1370_SMF void check_lower_irq(Bit32u sctl);
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BX_ES1370_SMF void update_voices(Bit32u ctl, Bit32u sctl, bx_bool force);
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BX_ES1370_SMF void run_channel(unsigned channel, int timer_id, Bit32u buflen);
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static void es1370_timer_handler(void *);
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void es1370_timer(void);
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static Bit32u es1370_adc_handler(void *, Bit32u len);
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static Bit32u read_handler(void *this_ptr, Bit32u address, unsigned io_len);
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static void write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len);
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#if !BX_USE_ES1370_SMF
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Bit32u read(Bit32u address, unsigned io_len);
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void write(Bit32u address, Bit32u value, unsigned io_len);
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#endif
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bx_sound_lowlevel_c *soundmod;
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};
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#endif
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