diff options
author | 2017-04-25 03:31:15 -0700 | |
---|---|---|
committer | 2017-05-22 06:48:08 +0000 | |
commit | bb756eebdac6fd24e8919e2c43f7d2c8c4091f59 (patch) | |
tree | ca11e03542edf2d8f631efeca5e1626d211107e3 /qemu/hw/audio/sb16.c | |
parent | a14b48d18a9ed03ec191cf16b162206998a895ce (diff) |
Adding qemu as a submodule of KVMFORNFV
This Patch includes the changes to add qemu as a submodule to
kvmfornfv repo and make use of the updated latest qemu for the
execution of all testcase
Change-Id: I1280af507a857675c7f81d30c95255635667bdd7
Signed-off-by:RajithaY<rajithax.yerrumsetty@intel.com>
Diffstat (limited to 'qemu/hw/audio/sb16.c')
-rw-r--r-- | qemu/hw/audio/sb16.c | 1436 |
1 files changed, 0 insertions, 1436 deletions
diff --git a/qemu/hw/audio/sb16.c b/qemu/hw/audio/sb16.c deleted file mode 100644 index 3a4a57ac3..000000000 --- a/qemu/hw/audio/sb16.c +++ /dev/null @@ -1,1436 +0,0 @@ -/* - * QEMU Soundblaster 16 emulation - * - * Copyright (c) 2003-2005 Vassili Karpov (malc) - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ -#include "qemu/osdep.h" -#include "hw/hw.h" -#include "hw/audio/audio.h" -#include "audio/audio.h" -#include "hw/isa/isa.h" -#include "hw/qdev.h" -#include "qemu/timer.h" -#include "qemu/host-utils.h" - -#define dolog(...) AUD_log ("sb16", __VA_ARGS__) - -/* #define DEBUG */ -/* #define DEBUG_SB16_MOST */ - -#ifdef DEBUG -#define ldebug(...) dolog (__VA_ARGS__) -#else -#define ldebug(...) -#endif - -static const char e3[] = "COPYRIGHT (C) CREATIVE TECHNOLOGY LTD, 1992."; - -#define TYPE_SB16 "sb16" -#define SB16(obj) OBJECT_CHECK (SB16State, (obj), TYPE_SB16) - -typedef struct SB16State { - ISADevice parent_obj; - - QEMUSoundCard card; - qemu_irq pic; - uint32_t irq; - uint32_t dma; - uint32_t hdma; - uint32_t port; - uint32_t ver; - IsaDma *isa_dma; - IsaDma *isa_hdma; - - int in_index; - int out_data_len; - int fmt_stereo; - int fmt_signed; - int fmt_bits; - audfmt_e fmt; - int dma_auto; - int block_size; - int fifo; - int freq; - int time_const; - int speaker; - int needed_bytes; - int cmd; - int use_hdma; - int highspeed; - int can_write; - - int v2x6; - - uint8_t csp_param; - uint8_t csp_value; - uint8_t csp_mode; - uint8_t csp_regs[256]; - uint8_t csp_index; - uint8_t csp_reg83[4]; - int csp_reg83r; - int csp_reg83w; - - uint8_t in2_data[10]; - uint8_t out_data[50]; - uint8_t test_reg; - uint8_t last_read_byte; - int nzero; - - int left_till_irq; - - int dma_running; - int bytes_per_second; - int align; - int audio_free; - SWVoiceOut *voice; - - QEMUTimer *aux_ts; - /* mixer state */ - int mixer_nreg; - uint8_t mixer_regs[256]; -} SB16State; - -static void SB_audio_callback (void *opaque, int free); - -static int magic_of_irq (int irq) -{ - switch (irq) { - case 5: - return 2; - case 7: - return 4; - case 9: - return 1; - case 10: - return 8; - default: - dolog ("bad irq %d\n", irq); - return 2; - } -} - -static int irq_of_magic (int magic) -{ - switch (magic) { - case 1: - return 9; - case 2: - return 5; - case 4: - return 7; - case 8: - return 10; - default: - dolog ("bad irq magic %d\n", magic); - return -1; - } -} - -#if 0 -static void log_dsp (SB16State *dsp) -{ - ldebug ("%s:%s:%d:%s:dmasize=%d:freq=%d:const=%d:speaker=%d\n", - dsp->fmt_stereo ? "Stereo" : "Mono", - dsp->fmt_signed ? "Signed" : "Unsigned", - dsp->fmt_bits, - dsp->dma_auto ? "Auto" : "Single", - dsp->block_size, - dsp->freq, - dsp->time_const, - dsp->speaker); -} -#endif - -static void speaker (SB16State *s, int on) -{ - s->speaker = on; - /* AUD_enable (s->voice, on); */ -} - -static void control (SB16State *s, int hold) -{ - int dma = s->use_hdma ? s->hdma : s->dma; - IsaDma *isa_dma = s->use_hdma ? s->isa_hdma : s->isa_dma; - IsaDmaClass *k = ISADMA_GET_CLASS(isa_dma); - s->dma_running = hold; - - ldebug ("hold %d high %d dma %d\n", hold, s->use_hdma, dma); - - if (hold) { - k->hold_DREQ(isa_dma, dma); - AUD_set_active_out (s->voice, 1); - } - else { - k->release_DREQ(isa_dma, dma); - AUD_set_active_out (s->voice, 0); - } -} - -static void aux_timer (void *opaque) -{ - SB16State *s = opaque; - s->can_write = 1; - qemu_irq_raise (s->pic); -} - -#define DMA8_AUTO 1 -#define DMA8_HIGH 2 - -static void continue_dma8 (SB16State *s) -{ - if (s->freq > 0) { - struct audsettings as; - - s->audio_free = 0; - - as.freq = s->freq; - as.nchannels = 1 << s->fmt_stereo; - as.fmt = s->fmt; - as.endianness = 0; - - s->voice = AUD_open_out ( - &s->card, - s->voice, - "sb16", - s, - SB_audio_callback, - &as - ); - } - - control (s, 1); -} - -static void dma_cmd8 (SB16State *s, int mask, int dma_len) -{ - s->fmt = AUD_FMT_U8; - s->use_hdma = 0; - s->fmt_bits = 8; - s->fmt_signed = 0; - s->fmt_stereo = (s->mixer_regs[0x0e] & 2) != 0; - if (-1 == s->time_const) { - if (s->freq <= 0) - s->freq = 11025; - } - else { - int tmp = (256 - s->time_const); - s->freq = (1000000 + (tmp / 2)) / tmp; - } - - if (dma_len != -1) { - s->block_size = dma_len << s->fmt_stereo; - } - else { - /* This is apparently the only way to make both Act1/PL - and SecondReality/FC work - - Act1 sets block size via command 0x48 and it's an odd number - SR does the same with even number - Both use stereo, and Creatives own documentation states that - 0x48 sets block size in bytes less one.. go figure */ - s->block_size &= ~s->fmt_stereo; - } - - s->freq >>= s->fmt_stereo; - s->left_till_irq = s->block_size; - s->bytes_per_second = (s->freq << s->fmt_stereo); - /* s->highspeed = (mask & DMA8_HIGH) != 0; */ - s->dma_auto = (mask & DMA8_AUTO) != 0; - s->align = (1 << s->fmt_stereo) - 1; - - if (s->block_size & s->align) { - dolog ("warning: misaligned block size %d, alignment %d\n", - s->block_size, s->align + 1); - } - - ldebug ("freq %d, stereo %d, sign %d, bits %d, " - "dma %d, auto %d, fifo %d, high %d\n", - s->freq, s->fmt_stereo, s->fmt_signed, s->fmt_bits, - s->block_size, s->dma_auto, s->fifo, s->highspeed); - - continue_dma8 (s); - speaker (s, 1); -} - -static void dma_cmd (SB16State *s, uint8_t cmd, uint8_t d0, int dma_len) -{ - s->use_hdma = cmd < 0xc0; - s->fifo = (cmd >> 1) & 1; - s->dma_auto = (cmd >> 2) & 1; - s->fmt_signed = (d0 >> 4) & 1; - s->fmt_stereo = (d0 >> 5) & 1; - - switch (cmd >> 4) { - case 11: - s->fmt_bits = 16; - break; - - case 12: - s->fmt_bits = 8; - break; - } - - if (-1 != s->time_const) { -#if 1 - int tmp = 256 - s->time_const; - s->freq = (1000000 + (tmp / 2)) / tmp; -#else - /* s->freq = 1000000 / ((255 - s->time_const) << s->fmt_stereo); */ - s->freq = 1000000 / ((255 - s->time_const)); -#endif - s->time_const = -1; - } - - s->block_size = dma_len + 1; - s->block_size <<= (s->fmt_bits == 16); - if (!s->dma_auto) { - /* It is clear that for DOOM and auto-init this value - shouldn't take stereo into account, while Miles Sound Systems - setsound.exe with single transfer mode wouldn't work without it - wonders of SB16 yet again */ - s->block_size <<= s->fmt_stereo; - } - - ldebug ("freq %d, stereo %d, sign %d, bits %d, " - "dma %d, auto %d, fifo %d, high %d\n", - s->freq, s->fmt_stereo, s->fmt_signed, s->fmt_bits, - s->block_size, s->dma_auto, s->fifo, s->highspeed); - - if (16 == s->fmt_bits) { - if (s->fmt_signed) { - s->fmt = AUD_FMT_S16; - } - else { - s->fmt = AUD_FMT_U16; - } - } - else { - if (s->fmt_signed) { - s->fmt = AUD_FMT_S8; - } - else { - s->fmt = AUD_FMT_U8; - } - } - - s->left_till_irq = s->block_size; - - s->bytes_per_second = (s->freq << s->fmt_stereo) << (s->fmt_bits == 16); - s->highspeed = 0; - s->align = (1 << (s->fmt_stereo + (s->fmt_bits == 16))) - 1; - if (s->block_size & s->align) { - dolog ("warning: misaligned block size %d, alignment %d\n", - s->block_size, s->align + 1); - } - - if (s->freq) { - struct audsettings as; - - s->audio_free = 0; - - as.freq = s->freq; - as.nchannels = 1 << s->fmt_stereo; - as.fmt = s->fmt; - as.endianness = 0; - - s->voice = AUD_open_out ( - &s->card, - s->voice, - "sb16", - s, - SB_audio_callback, - &as - ); - } - - control (s, 1); - speaker (s, 1); -} - -static inline void dsp_out_data (SB16State *s, uint8_t val) -{ - ldebug ("outdata %#x\n", val); - if ((size_t) s->out_data_len < sizeof (s->out_data)) { - s->out_data[s->out_data_len++] = val; - } -} - -static inline uint8_t dsp_get_data (SB16State *s) -{ - if (s->in_index) { - return s->in2_data[--s->in_index]; - } - else { - dolog ("buffer underflow\n"); - return 0; - } -} - -static void command (SB16State *s, uint8_t cmd) -{ - ldebug ("command %#x\n", cmd); - - if (cmd > 0xaf && cmd < 0xd0) { - if (cmd & 8) { - dolog ("ADC not yet supported (command %#x)\n", cmd); - } - - switch (cmd >> 4) { - case 11: - case 12: - break; - default: - dolog ("%#x wrong bits\n", cmd); - } - s->needed_bytes = 3; - } - else { - s->needed_bytes = 0; - - switch (cmd) { - case 0x03: - dsp_out_data (s, 0x10); /* s->csp_param); */ - goto warn; - - case 0x04: - s->needed_bytes = 1; - goto warn; - - case 0x05: - s->needed_bytes = 2; - goto warn; - - case 0x08: - /* __asm__ ("int3"); */ - goto warn; - - case 0x0e: - s->needed_bytes = 2; - goto warn; - - case 0x09: - dsp_out_data (s, 0xf8); - goto warn; - - case 0x0f: - s->needed_bytes = 1; - goto warn; - - case 0x10: - s->needed_bytes = 1; - goto warn; - - case 0x14: - s->needed_bytes = 2; - s->block_size = 0; - break; - - case 0x1c: /* Auto-Initialize DMA DAC, 8-bit */ - dma_cmd8 (s, DMA8_AUTO, -1); - break; - - case 0x20: /* Direct ADC, Juice/PL */ - dsp_out_data (s, 0xff); - goto warn; - - case 0x35: - dolog ("0x35 - MIDI command not implemented\n"); - break; - - case 0x40: - s->freq = -1; - s->time_const = -1; - s->needed_bytes = 1; - break; - - case 0x41: - s->freq = -1; - s->time_const = -1; - s->needed_bytes = 2; - break; - - case 0x42: - s->freq = -1; - s->time_const = -1; - s->needed_bytes = 2; - goto warn; - - case 0x45: - dsp_out_data (s, 0xaa); - goto warn; - - case 0x47: /* Continue Auto-Initialize DMA 16bit */ - break; - - case 0x48: - s->needed_bytes = 2; - break; - - case 0x74: - s->needed_bytes = 2; /* DMA DAC, 4-bit ADPCM */ - dolog ("0x75 - DMA DAC, 4-bit ADPCM not implemented\n"); - break; - - case 0x75: /* DMA DAC, 4-bit ADPCM Reference */ - s->needed_bytes = 2; - dolog ("0x74 - DMA DAC, 4-bit ADPCM Reference not implemented\n"); - break; - - case 0x76: /* DMA DAC, 2.6-bit ADPCM */ - s->needed_bytes = 2; - dolog ("0x74 - DMA DAC, 2.6-bit ADPCM not implemented\n"); - break; - - case 0x77: /* DMA DAC, 2.6-bit ADPCM Reference */ - s->needed_bytes = 2; - dolog ("0x74 - DMA DAC, 2.6-bit ADPCM Reference not implemented\n"); - break; - - case 0x7d: - dolog ("0x7d - Autio-Initialize DMA DAC, 4-bit ADPCM Reference\n"); - dolog ("not implemented\n"); - break; - - case 0x7f: - dolog ( - "0x7d - Autio-Initialize DMA DAC, 2.6-bit ADPCM Reference\n" - ); - dolog ("not implemented\n"); - break; - - case 0x80: - s->needed_bytes = 2; - break; - - case 0x90: - case 0x91: - dma_cmd8 (s, ((cmd & 1) == 0) | DMA8_HIGH, -1); - break; - - case 0xd0: /* halt DMA operation. 8bit */ - control (s, 0); - break; - - case 0xd1: /* speaker on */ - speaker (s, 1); - break; - - case 0xd3: /* speaker off */ - speaker (s, 0); - break; - - case 0xd4: /* continue DMA operation. 8bit */ - /* KQ6 (or maybe Sierras audblst.drv in general) resets - the frequency between halt/continue */ - continue_dma8 (s); - break; - - case 0xd5: /* halt DMA operation. 16bit */ - control (s, 0); - break; - - case 0xd6: /* continue DMA operation. 16bit */ - control (s, 1); - break; - - case 0xd9: /* exit auto-init DMA after this block. 16bit */ - s->dma_auto = 0; - break; - - case 0xda: /* exit auto-init DMA after this block. 8bit */ - s->dma_auto = 0; - break; - - case 0xe0: /* DSP identification */ - s->needed_bytes = 1; - break; - - case 0xe1: - dsp_out_data (s, s->ver & 0xff); - dsp_out_data (s, s->ver >> 8); - break; - - case 0xe2: - s->needed_bytes = 1; - goto warn; - - case 0xe3: - { - int i; - for (i = sizeof (e3) - 1; i >= 0; --i) - dsp_out_data (s, e3[i]); - } - break; - - case 0xe4: /* write test reg */ - s->needed_bytes = 1; - break; - - case 0xe7: - dolog ("Attempt to probe for ESS (0xe7)?\n"); - break; - - case 0xe8: /* read test reg */ - dsp_out_data (s, s->test_reg); - break; - - case 0xf2: - case 0xf3: - dsp_out_data (s, 0xaa); - s->mixer_regs[0x82] |= (cmd == 0xf2) ? 1 : 2; - qemu_irq_raise (s->pic); - break; - - case 0xf9: - s->needed_bytes = 1; - goto warn; - - case 0xfa: - dsp_out_data (s, 0); - goto warn; - - case 0xfc: /* FIXME */ - dsp_out_data (s, 0); - goto warn; - - default: - dolog ("Unrecognized command %#x\n", cmd); - break; - } - } - - if (!s->needed_bytes) { - ldebug ("\n"); - } - - exit: - if (!s->needed_bytes) { - s->cmd = -1; - } - else { - s->cmd = cmd; - } - return; - - warn: - dolog ("warning: command %#x,%d is not truly understood yet\n", - cmd, s->needed_bytes); - goto exit; - -} - -static uint16_t dsp_get_lohi (SB16State *s) -{ - uint8_t hi = dsp_get_data (s); - uint8_t lo = dsp_get_data (s); - return (hi << 8) | lo; -} - -static uint16_t dsp_get_hilo (SB16State *s) -{ - uint8_t lo = dsp_get_data (s); - uint8_t hi = dsp_get_data (s); - return (hi << 8) | lo; -} - -static void complete (SB16State *s) -{ - int d0, d1, d2; - ldebug ("complete command %#x, in_index %d, needed_bytes %d\n", - s->cmd, s->in_index, s->needed_bytes); - - if (s->cmd > 0xaf && s->cmd < 0xd0) { - d2 = dsp_get_data (s); - d1 = dsp_get_data (s); - d0 = dsp_get_data (s); - - if (s->cmd & 8) { - dolog ("ADC params cmd = %#x d0 = %d, d1 = %d, d2 = %d\n", - s->cmd, d0, d1, d2); - } - else { - ldebug ("cmd = %#x d0 = %d, d1 = %d, d2 = %d\n", - s->cmd, d0, d1, d2); - dma_cmd (s, s->cmd, d0, d1 + (d2 << 8)); - } - } - else { - switch (s->cmd) { - case 0x04: - s->csp_mode = dsp_get_data (s); - s->csp_reg83r = 0; - s->csp_reg83w = 0; - ldebug ("CSP command 0x04: mode=%#x\n", s->csp_mode); - break; - - case 0x05: - s->csp_param = dsp_get_data (s); - s->csp_value = dsp_get_data (s); - ldebug ("CSP command 0x05: param=%#x value=%#x\n", - s->csp_param, - s->csp_value); - break; - - case 0x0e: - d0 = dsp_get_data (s); - d1 = dsp_get_data (s); - ldebug ("write CSP register %d <- %#x\n", d1, d0); - if (d1 == 0x83) { - ldebug ("0x83[%d] <- %#x\n", s->csp_reg83r, d0); - s->csp_reg83[s->csp_reg83r % 4] = d0; - s->csp_reg83r += 1; - } - else { - s->csp_regs[d1] = d0; - } - break; - - case 0x0f: - d0 = dsp_get_data (s); - ldebug ("read CSP register %#x -> %#x, mode=%#x\n", - d0, s->csp_regs[d0], s->csp_mode); - if (d0 == 0x83) { - ldebug ("0x83[%d] -> %#x\n", - s->csp_reg83w, - s->csp_reg83[s->csp_reg83w % 4]); - dsp_out_data (s, s->csp_reg83[s->csp_reg83w % 4]); - s->csp_reg83w += 1; - } - else { - dsp_out_data (s, s->csp_regs[d0]); - } - break; - - case 0x10: - d0 = dsp_get_data (s); - dolog ("cmd 0x10 d0=%#x\n", d0); - break; - - case 0x14: - dma_cmd8 (s, 0, dsp_get_lohi (s) + 1); - break; - - case 0x40: - s->time_const = dsp_get_data (s); - ldebug ("set time const %d\n", s->time_const); - break; - - case 0x42: /* FT2 sets output freq with this, go figure */ -#if 0 - dolog ("cmd 0x42 might not do what it think it should\n"); -#endif - case 0x41: - s->freq = dsp_get_hilo (s); - ldebug ("set freq %d\n", s->freq); - break; - - case 0x48: - s->block_size = dsp_get_lohi (s) + 1; - ldebug ("set dma block len %d\n", s->block_size); - break; - - case 0x74: - case 0x75: - case 0x76: - case 0x77: - /* ADPCM stuff, ignore */ - break; - - case 0x80: - { - int freq, samples, bytes; - int64_t ticks; - - freq = s->freq > 0 ? s->freq : 11025; - samples = dsp_get_lohi (s) + 1; - bytes = samples << s->fmt_stereo << (s->fmt_bits == 16); - ticks = muldiv64(bytes, NANOSECONDS_PER_SECOND, freq); - if (ticks < NANOSECONDS_PER_SECOND / 1024) { - qemu_irq_raise (s->pic); - } - else { - if (s->aux_ts) { - timer_mod ( - s->aux_ts, - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + ticks - ); - } - } - ldebug ("mix silence %d %d %" PRId64 "\n", samples, bytes, ticks); - } - break; - - case 0xe0: - d0 = dsp_get_data (s); - s->out_data_len = 0; - ldebug ("E0 data = %#x\n", d0); - dsp_out_data (s, ~d0); - break; - - case 0xe2: -#ifdef DEBUG - d0 = dsp_get_data (s); - dolog ("E2 = %#x\n", d0); -#endif - break; - - case 0xe4: - s->test_reg = dsp_get_data (s); - break; - - case 0xf9: - d0 = dsp_get_data (s); - ldebug ("command 0xf9 with %#x\n", d0); - switch (d0) { - case 0x0e: - dsp_out_data (s, 0xff); - break; - - case 0x0f: - dsp_out_data (s, 0x07); - break; - - case 0x37: - dsp_out_data (s, 0x38); - break; - - default: - dsp_out_data (s, 0x00); - break; - } - break; - - default: - dolog ("complete: unrecognized command %#x\n", s->cmd); - return; - } - } - - ldebug ("\n"); - s->cmd = -1; -} - -static void legacy_reset (SB16State *s) -{ - struct audsettings as; - - s->freq = 11025; - s->fmt_signed = 0; - s->fmt_bits = 8; - s->fmt_stereo = 0; - - as.freq = s->freq; - as.nchannels = 1; - as.fmt = AUD_FMT_U8; - as.endianness = 0; - - s->voice = AUD_open_out ( - &s->card, - s->voice, - "sb16", - s, - SB_audio_callback, - &as - ); - - /* Not sure about that... */ - /* AUD_set_active_out (s->voice, 1); */ -} - -static void reset (SB16State *s) -{ - qemu_irq_lower (s->pic); - if (s->dma_auto) { - qemu_irq_raise (s->pic); - qemu_irq_lower (s->pic); - } - - s->mixer_regs[0x82] = 0; - s->dma_auto = 0; - s->in_index = 0; - s->out_data_len = 0; - s->left_till_irq = 0; - s->needed_bytes = 0; - s->block_size = -1; - s->nzero = 0; - s->highspeed = 0; - s->v2x6 = 0; - s->cmd = -1; - - dsp_out_data (s, 0xaa); - speaker (s, 0); - control (s, 0); - legacy_reset (s); -} - -static void dsp_write(void *opaque, uint32_t nport, uint32_t val) -{ - SB16State *s = opaque; - int iport; - - iport = nport - s->port; - - ldebug ("write %#x <- %#x\n", nport, val); - switch (iport) { - case 0x06: - switch (val) { - case 0x00: - if (s->v2x6 == 1) { - reset (s); - } - s->v2x6 = 0; - break; - - case 0x01: - case 0x03: /* FreeBSD kludge */ - s->v2x6 = 1; - break; - - case 0xc6: - s->v2x6 = 0; /* Prince of Persia, csp.sys, diagnose.exe */ - break; - - case 0xb8: /* Panic */ - reset (s); - break; - - case 0x39: - dsp_out_data (s, 0x38); - reset (s); - s->v2x6 = 0x39; - break; - - default: - s->v2x6 = val; - break; - } - break; - - case 0x0c: /* write data or command | write status */ -/* if (s->highspeed) */ -/* break; */ - - if (s->needed_bytes == 0) { - command (s, val); -#if 0 - if (0 == s->needed_bytes) { - log_dsp (s); - } -#endif - } - else { - if (s->in_index == sizeof (s->in2_data)) { - dolog ("in data overrun\n"); - } - else { - s->in2_data[s->in_index++] = val; - if (s->in_index == s->needed_bytes) { - s->needed_bytes = 0; - complete (s); -#if 0 - log_dsp (s); -#endif - } - } - } - break; - - default: - ldebug ("(nport=%#x, val=%#x)\n", nport, val); - break; - } -} - -static uint32_t dsp_read(void *opaque, uint32_t nport) -{ - SB16State *s = opaque; - int iport, retval, ack = 0; - - iport = nport - s->port; - - switch (iport) { - case 0x06: /* reset */ - retval = 0xff; - break; - - case 0x0a: /* read data */ - if (s->out_data_len) { - retval = s->out_data[--s->out_data_len]; - s->last_read_byte = retval; - } - else { - if (s->cmd != -1) { - dolog ("empty output buffer for command %#x\n", - s->cmd); - } - retval = s->last_read_byte; - /* goto error; */ - } - break; - - case 0x0c: /* 0 can write */ - retval = s->can_write ? 0 : 0x80; - break; - - case 0x0d: /* timer interrupt clear */ - /* dolog ("timer interrupt clear\n"); */ - retval = 0; - break; - - case 0x0e: /* data available status | irq 8 ack */ - retval = (!s->out_data_len || s->highspeed) ? 0 : 0x80; - if (s->mixer_regs[0x82] & 1) { - ack = 1; - s->mixer_regs[0x82] &= ~1; - qemu_irq_lower (s->pic); - } - break; - - case 0x0f: /* irq 16 ack */ - retval = 0xff; - if (s->mixer_regs[0x82] & 2) { - ack = 1; - s->mixer_regs[0x82] &= ~2; - qemu_irq_lower (s->pic); - } - break; - - default: - goto error; - } - - if (!ack) { - ldebug ("read %#x -> %#x\n", nport, retval); - } - - return retval; - - error: - dolog ("warning: dsp_read %#x error\n", nport); - return 0xff; -} - -static void reset_mixer (SB16State *s) -{ - int i; - - memset (s->mixer_regs, 0xff, 0x7f); - memset (s->mixer_regs + 0x83, 0xff, sizeof (s->mixer_regs) - 0x83); - - s->mixer_regs[0x02] = 4; /* master volume 3bits */ - s->mixer_regs[0x06] = 4; /* MIDI volume 3bits */ - s->mixer_regs[0x08] = 0; /* CD volume 3bits */ - s->mixer_regs[0x0a] = 0; /* voice volume 2bits */ - - /* d5=input filt, d3=lowpass filt, d1,d2=input source */ - s->mixer_regs[0x0c] = 0; - - /* d5=output filt, d1=stereo switch */ - s->mixer_regs[0x0e] = 0; - - /* voice volume L d5,d7, R d1,d3 */ - s->mixer_regs[0x04] = (4 << 5) | (4 << 1); - /* master ... */ - s->mixer_regs[0x22] = (4 << 5) | (4 << 1); - /* MIDI ... */ - s->mixer_regs[0x26] = (4 << 5) | (4 << 1); - - for (i = 0x30; i < 0x48; i++) { - s->mixer_regs[i] = 0x20; - } -} - -static void mixer_write_indexb(void *opaque, uint32_t nport, uint32_t val) -{ - SB16State *s = opaque; - (void) nport; - s->mixer_nreg = val; -} - -static void mixer_write_datab(void *opaque, uint32_t nport, uint32_t val) -{ - SB16State *s = opaque; - - (void) nport; - ldebug ("mixer_write [%#x] <- %#x\n", s->mixer_nreg, val); - - switch (s->mixer_nreg) { - case 0x00: - reset_mixer (s); - break; - - case 0x80: - { - int irq = irq_of_magic (val); - ldebug ("setting irq to %d (val=%#x)\n", irq, val); - if (irq > 0) { - s->irq = irq; - } - } - break; - - case 0x81: - { - int dma, hdma; - - dma = ctz32 (val & 0xf); - hdma = ctz32 (val & 0xf0); - if (dma != s->dma || hdma != s->hdma) { - dolog ( - "attempt to change DMA " - "8bit %d(%d), 16bit %d(%d) (val=%#x)\n", - dma, s->dma, hdma, s->hdma, val); - } -#if 0 - s->dma = dma; - s->hdma = hdma; -#endif - } - break; - - case 0x82: - dolog ("attempt to write into IRQ status register (val=%#x)\n", - val); - return; - - default: - if (s->mixer_nreg >= 0x80) { - ldebug ("attempt to write mixer[%#x] <- %#x\n", s->mixer_nreg, val); - } - break; - } - - s->mixer_regs[s->mixer_nreg] = val; -} - -static uint32_t mixer_read(void *opaque, uint32_t nport) -{ - SB16State *s = opaque; - - (void) nport; -#ifndef DEBUG_SB16_MOST - if (s->mixer_nreg != 0x82) { - ldebug ("mixer_read[%#x] -> %#x\n", - s->mixer_nreg, s->mixer_regs[s->mixer_nreg]); - } -#else - ldebug ("mixer_read[%#x] -> %#x\n", - s->mixer_nreg, s->mixer_regs[s->mixer_nreg]); -#endif - return s->mixer_regs[s->mixer_nreg]; -} - -static int write_audio (SB16State *s, int nchan, int dma_pos, - int dma_len, int len) -{ - IsaDma *isa_dma = nchan == s->dma ? s->isa_dma : s->isa_hdma; - IsaDmaClass *k = ISADMA_GET_CLASS(isa_dma); - int temp, net; - uint8_t tmpbuf[4096]; - - temp = len; - net = 0; - - while (temp) { - int left = dma_len - dma_pos; - int copied; - size_t to_copy; - - to_copy = audio_MIN (temp, left); - if (to_copy > sizeof (tmpbuf)) { - to_copy = sizeof (tmpbuf); - } - - copied = k->read_memory(isa_dma, nchan, tmpbuf, dma_pos, to_copy); - copied = AUD_write (s->voice, tmpbuf, copied); - - temp -= copied; - dma_pos = (dma_pos + copied) % dma_len; - net += copied; - - if (!copied) { - break; - } - } - - return net; -} - -static int SB_read_DMA (void *opaque, int nchan, int dma_pos, int dma_len) -{ - SB16State *s = opaque; - int till, copy, written, free; - - if (s->block_size <= 0) { - dolog ("invalid block size=%d nchan=%d dma_pos=%d dma_len=%d\n", - s->block_size, nchan, dma_pos, dma_len); - return dma_pos; - } - - if (s->left_till_irq < 0) { - s->left_till_irq = s->block_size; - } - - if (s->voice) { - free = s->audio_free & ~s->align; - if ((free <= 0) || !dma_len) { - return dma_pos; - } - } - else { - free = dma_len; - } - - copy = free; - till = s->left_till_irq; - -#ifdef DEBUG_SB16_MOST - dolog ("pos:%06d %d till:%d len:%d\n", - dma_pos, free, till, dma_len); -#endif - - if (till <= copy) { - if (s->dma_auto == 0) { - copy = till; - } - } - - written = write_audio (s, nchan, dma_pos, dma_len, copy); - dma_pos = (dma_pos + written) % dma_len; - s->left_till_irq -= written; - - if (s->left_till_irq <= 0) { - s->mixer_regs[0x82] |= (nchan & 4) ? 2 : 1; - qemu_irq_raise (s->pic); - if (s->dma_auto == 0) { - control (s, 0); - speaker (s, 0); - } - } - -#ifdef DEBUG_SB16_MOST - ldebug ("pos %5d free %5d size %5d till % 5d copy %5d written %5d size %5d\n", - dma_pos, free, dma_len, s->left_till_irq, copy, written, - s->block_size); -#endif - - while (s->left_till_irq <= 0) { - s->left_till_irq = s->block_size + s->left_till_irq; - } - - return dma_pos; -} - -static void SB_audio_callback (void *opaque, int free) -{ - SB16State *s = opaque; - s->audio_free = free; -} - -static int sb16_post_load (void *opaque, int version_id) -{ - SB16State *s = opaque; - - if (s->voice) { - AUD_close_out (&s->card, s->voice); - s->voice = NULL; - } - - if (s->dma_running) { - if (s->freq) { - struct audsettings as; - - s->audio_free = 0; - - as.freq = s->freq; - as.nchannels = 1 << s->fmt_stereo; - as.fmt = s->fmt; - as.endianness = 0; - - s->voice = AUD_open_out ( - &s->card, - s->voice, - "sb16", - s, - SB_audio_callback, - &as - ); - } - - control (s, 1); - speaker (s, s->speaker); - } - return 0; -} - -static const VMStateDescription vmstate_sb16 = { - .name = "sb16", - .version_id = 1, - .minimum_version_id = 1, - .post_load = sb16_post_load, - .fields = (VMStateField[]) { - VMSTATE_UINT32 (irq, SB16State), - VMSTATE_UINT32 (dma, SB16State), - VMSTATE_UINT32 (hdma, SB16State), - VMSTATE_UINT32 (port, SB16State), - VMSTATE_UINT32 (ver, SB16State), - VMSTATE_INT32 (in_index, SB16State), - VMSTATE_INT32 (out_data_len, SB16State), - VMSTATE_INT32 (fmt_stereo, SB16State), - VMSTATE_INT32 (fmt_signed, SB16State), - VMSTATE_INT32 (fmt_bits, SB16State), - VMSTATE_UINT32 (fmt, SB16State), - VMSTATE_INT32 (dma_auto, SB16State), - VMSTATE_INT32 (block_size, SB16State), - VMSTATE_INT32 (fifo, SB16State), - VMSTATE_INT32 (freq, SB16State), - VMSTATE_INT32 (time_const, SB16State), - VMSTATE_INT32 (speaker, SB16State), - VMSTATE_INT32 (needed_bytes, SB16State), - VMSTATE_INT32 (cmd, SB16State), - VMSTATE_INT32 (use_hdma, SB16State), - VMSTATE_INT32 (highspeed, SB16State), - VMSTATE_INT32 (can_write, SB16State), - VMSTATE_INT32 (v2x6, SB16State), - - VMSTATE_UINT8 (csp_param, SB16State), - VMSTATE_UINT8 (csp_value, SB16State), - VMSTATE_UINT8 (csp_mode, SB16State), - VMSTATE_UINT8 (csp_param, SB16State), - VMSTATE_BUFFER (csp_regs, SB16State), - VMSTATE_UINT8 (csp_index, SB16State), - VMSTATE_BUFFER (csp_reg83, SB16State), - VMSTATE_INT32 (csp_reg83r, SB16State), - VMSTATE_INT32 (csp_reg83w, SB16State), - - VMSTATE_BUFFER (in2_data, SB16State), - VMSTATE_BUFFER (out_data, SB16State), - VMSTATE_UINT8 (test_reg, SB16State), - VMSTATE_UINT8 (last_read_byte, SB16State), - - VMSTATE_INT32 (nzero, SB16State), - VMSTATE_INT32 (left_till_irq, SB16State), - VMSTATE_INT32 (dma_running, SB16State), - VMSTATE_INT32 (bytes_per_second, SB16State), - VMSTATE_INT32 (align, SB16State), - - VMSTATE_INT32 (mixer_nreg, SB16State), - VMSTATE_BUFFER (mixer_regs, SB16State), - - VMSTATE_END_OF_LIST () - } -}; - -static const MemoryRegionPortio sb16_ioport_list[] = { - { 4, 1, 1, .write = mixer_write_indexb }, - { 5, 1, 1, .read = mixer_read, .write = mixer_write_datab }, - { 6, 1, 1, .read = dsp_read, .write = dsp_write }, - { 10, 1, 1, .read = dsp_read }, - { 12, 1, 1, .write = dsp_write }, - { 12, 4, 1, .read = dsp_read }, - PORTIO_END_OF_LIST (), -}; - - -static void sb16_initfn (Object *obj) -{ - SB16State *s = SB16 (obj); - - s->cmd = -1; -} - -static void sb16_realizefn (DeviceState *dev, Error **errp) -{ - ISADevice *isadev = ISA_DEVICE (dev); - SB16State *s = SB16 (dev); - IsaDmaClass *k; - - isa_init_irq (isadev, &s->pic, s->irq); - - s->mixer_regs[0x80] = magic_of_irq (s->irq); - s->mixer_regs[0x81] = (1 << s->dma) | (1 << s->hdma); - s->mixer_regs[0x82] = 2 << 5; - - s->csp_regs[5] = 1; - s->csp_regs[9] = 0xf8; - - reset_mixer (s); - s->aux_ts = timer_new_ns(QEMU_CLOCK_VIRTUAL, aux_timer, s); - if (!s->aux_ts) { - dolog ("warning: Could not create auxiliary timer\n"); - } - - isa_register_portio_list (isadev, s->port, sb16_ioport_list, s, "sb16"); - - s->isa_hdma = isa_get_dma(isa_bus_from_device(isadev), s->hdma); - k = ISADMA_GET_CLASS(s->isa_hdma); - k->register_channel(s->isa_hdma, s->hdma, SB_read_DMA, s); - - s->isa_dma = isa_get_dma(isa_bus_from_device(isadev), s->dma); - k = ISADMA_GET_CLASS(s->isa_dma); - k->register_channel(s->isa_dma, s->dma, SB_read_DMA, s); - - s->can_write = 1; - - AUD_register_card ("sb16", &s->card); -} - -static int SB16_init (ISABus *bus) -{ - isa_create_simple (bus, TYPE_SB16); - return 0; -} - -static Property sb16_properties[] = { - DEFINE_PROP_UINT32 ("version", SB16State, ver, 0x0405), /* 4.5 */ - DEFINE_PROP_UINT32 ("iobase", SB16State, port, 0x220), - DEFINE_PROP_UINT32 ("irq", SB16State, irq, 5), - DEFINE_PROP_UINT32 ("dma", SB16State, dma, 1), - DEFINE_PROP_UINT32 ("dma16", SB16State, hdma, 5), - DEFINE_PROP_END_OF_LIST (), -}; - -static void sb16_class_initfn (ObjectClass *klass, void *data) -{ - DeviceClass *dc = DEVICE_CLASS (klass); - - dc->realize = sb16_realizefn; - set_bit(DEVICE_CATEGORY_SOUND, dc->categories); - dc->desc = "Creative Sound Blaster 16"; - dc->vmsd = &vmstate_sb16; - dc->props = sb16_properties; -} - -static const TypeInfo sb16_info = { - .name = TYPE_SB16, - .parent = TYPE_ISA_DEVICE, - .instance_size = sizeof (SB16State), - .instance_init = sb16_initfn, - .class_init = sb16_class_initfn, -}; - -static void sb16_register_types (void) -{ - type_register_static (&sb16_info); - isa_register_soundhw("sb16", "Creative Sound Blaster 16", SB16_init); -} - -type_init (sb16_register_types) |