1 files changed, 0 insertions, 147 deletions
diff --git a/hw/pcspk.c b/hw/pcspk.c
deleted file mode 100644
index 0d52b31..0000000
--- a/hw/pcspk.c
+++ /dev/null
@@ -1,147 +0,0 @@
-/*
- * QEMU PC speaker emulation
- *
- * Copyright (c) 2006 Joachim Henke
- *
- * 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 "vl.h"
-
-#define PCSPK_BUF_LEN 1792
-#define PCSPK_SAMPLE_RATE 32000
-#define PCSPK_MAX_FREQ (PCSPK_SAMPLE_RATE >> 1)
-#define PCSPK_MIN_COUNT ((PIT_FREQ + PCSPK_MAX_FREQ - 1) / PCSPK_MAX_FREQ)
-
-typedef struct {
-    uint8_t sample_buf[PCSPK_BUF_LEN];
-    QEMUSoundCard card;
-    SWVoiceOut *voice;
-    PITState *pit;
-    unsigned int pit_count;
-    unsigned int samples;
-    unsigned int play_pos;
-    int data_on;
-    int dummy_refresh_clock;
-} PCSpkState;
-
-static const char *s_spk = "pcspk";
-static PCSpkState pcspk_state;
-
-static inline void generate_samples(PCSpkState *s)
-{
-    unsigned int i;
-
-    if (s->pit_count) {
-        const uint32_t m = PCSPK_SAMPLE_RATE * s->pit_count;
-        const uint32_t n = ((uint64_t)PIT_FREQ << 32) / m;
-
-        /* multiple of wavelength for gapless looping */
-        s->samples = (PCSPK_BUF_LEN * PIT_FREQ / m * m / (PIT_FREQ >> 1) + 1) >> 1;
-        for (i = 0; i < s->samples; ++i)
-            s->sample_buf[i] = (64 & (n * i >> 25)) - 32;
-    } else {
-        s->samples = PCSPK_BUF_LEN;
-        for (i = 0; i < PCSPK_BUF_LEN; ++i)
-            s->sample_buf[i] = 128; /* silence */
-    }
-}
-
-static void pcspk_callback(void *opaque, int free)
-{
-    PCSpkState *s = opaque;
-    unsigned int n;
-
-    if (pit_get_mode(s->pit, 2) != 3)
-        return;
-
-    n = pit_get_initial_count(s->pit, 2);
-    /* avoid frequencies that are not reproducible with sample rate */
-    if (n < PCSPK_MIN_COUNT)
-        n = 0;
-
-    if (s->pit_count != n) {
-        s->pit_count = n;
-        s->play_pos = 0;
-        generate_samples(s);
-    }
-
-    while (free > 0) {
-        n = audio_MIN(s->samples - s->play_pos, (unsigned int)free);
-        n = AUD_write(s->voice, &s->sample_buf[s->play_pos], n);
-        if (!n)
-            break;
-        s->play_pos = (s->play_pos + n) % s->samples;
-        free -= n;
-    }
-}
-
-int pcspk_audio_init(AudioState *audio)
-{
-    PCSpkState *s = &pcspk_state;
-    audsettings_t as = {PCSPK_SAMPLE_RATE, 1, AUD_FMT_U8, 0};
-
-    if (!audio) {
-        AUD_log(s_spk, "No audio state\n");
-        return -1;
-    }
-    AUD_register_card(audio, s_spk, &s->card);
-
-    s->voice = AUD_open_out(&s->card, s->voice, s_spk, s, pcspk_callback, &as);
-    if (!s->voice) {
-        AUD_log(s_spk, "Could not open voice\n");
-        return -1;
-    }
-
-    return 0;
-}
-
-static uint32_t pcspk_ioport_read(void *opaque, uint32_t addr)
-{
-    PCSpkState *s = opaque;
-    int out;
-
-    s->dummy_refresh_clock ^= (1 << 4);
-    out = pit_get_out(s->pit, 2, qemu_get_clock(vm_clock)) << 5;
-
-    return pit_get_gate(s->pit, 2) | (s->data_on << 1) | s->dummy_refresh_clock | out;
-}
-
-static void pcspk_ioport_write(void *opaque, uint32_t addr, uint32_t val)
-{
-    PCSpkState *s = opaque;
-    const int gate = val & 1;
-
-    s->data_on = (val >> 1) & 1;
-    pit_set_gate(s->pit, 2, gate);
-    if (s->voice) {
-        if (gate) /* restart */
-            s->play_pos = 0;
-        AUD_set_active_out(s->voice, gate & s->data_on);
-    }
-}
-
-void pcspk_init(PITState *pit)
-{
-    PCSpkState *s = &pcspk_state;
-
-    s->pit = pit;
-    register_ioport_read(0x61, 1, 1, pcspk_ioport_read, s);
-    register_ioport_write(0x61, 1, 1, pcspk_ioport_write, s);
-}