76b54ecb61
bx_devmodel_c. The early version of the combined vga / svga_cirrus code required the now obsolete implementation. Some related cleanups in the devices code.
141 lines
4.5 KiB
C++
141 lines
4.5 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id$
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/////////////////////////////////////////////////////////////////////////
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//
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// ES1370 soundcard support (ported from QEMU)
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//
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// Copyright (c) 2005 Vassili Karpov (malc)
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// Copyright (C) 2011-2017 The Bochs Project
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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/////////////////////////////////////////////////////////////////////////
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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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#define BX_ES1370_CODEC_REGS 0x1a
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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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Bit8u codec_index;
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Bit8u codec_reg[BX_ES1370_CODEC_REGS];
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Bit16u wave_vol;
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Bit32u sctl;
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Bit8u legacy1B;
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int dac1_timer_index;
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int dac2_timer_index;
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Bit8u 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 dac_timer_val[2];
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int mpu_timer_index;
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Bit8u mpu_outputinit;
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int mpu_current_timer;
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Bit32u last_delta_time;
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Bit8u midi_command;
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Bit8u midicmd_len;
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Bit8u midicmd_index;
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Bit8u midi_buffer[256];
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int rt_conf_id;
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Bit8u devfunc;
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} bx_es1370_t;
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class bx_es1370_c : public bx_pci_device_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 void pci_write_handler(Bit8u address, Bit32u value, unsigned io_len);
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// runtime options
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static Bit64s es1370_param_handler(bx_param_c *param, int set, Bit64s val);
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static const char* es1370_param_string_handler(bx_param_string_c *param, int set,
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const char *oldval, const char *val,
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int maxlen);
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static void runtime_config_handler(void *);
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void runtime_config(void);
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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 Bit32u run_channel(unsigned channel, int timer_id, Bit32u buflen);
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BX_ES1370_SMF void sendwavepacket(unsigned channel, Bit32u buflen, Bit8u *buffer);
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BX_ES1370_SMF void closewaveoutput();
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BX_ES1370_SMF Bit16u calc_output_volume(Bit8u reg1, Bit8u reg2, bx_bool shift);
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BX_ES1370_SMF int currentdeltatime();
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BX_ES1370_SMF void writemidicommand(int command, int length, Bit8u data[]);
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BX_ES1370_SMF void closemidioutput();
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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 void mpu_timer_handler(void *);
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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_soundlow_waveout_c *waveout[2];
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bx_soundlow_wavein_c *wavein;
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bx_soundlow_midiout_c *midiout[2];
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int wavemode, midimode;
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Bit8u wave_changed, midi_changed;
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};
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#endif
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