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authorIan Moffett <ian@osmora.org>2024-06-24 22:55:29 -0400
committerIan Moffett <ian@osmora.org>2024-06-24 22:55:29 -0400
commit236963e7563be3e3f8220dac7bb4af446928e194 (patch)
treee521ea226db0345bbb3679fffe09d96254b7dc73 /sys/arch/amd64/isa/spkr.c
parent214eadc62b5578f76c98a38a28f8b3d80ac4d6ad (diff)
Clean out for expt
Signed-off-by: Ian Moffett <ian@osmora.org>
Diffstat (limited to 'sys/arch/amd64/isa/spkr.c')
-rw-r--r--sys/arch/amd64/isa/spkr.c68
1 files changed, 0 insertions, 68 deletions
diff --git a/sys/arch/amd64/isa/spkr.c b/sys/arch/amd64/isa/spkr.c
deleted file mode 100644
index 109054e..0000000
--- a/sys/arch/amd64/isa/spkr.c
+++ /dev/null
@@ -1,68 +0,0 @@
-/*
- * Copyright (c) 2023-2024 Ian Marco Moffett and the Osmora Team.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. Neither the name of Hyra nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-#include <sys/timer.h>
-#include <sys/errno.h>
-#include <machine/isa/spkr.h>
-#include <machine/isa/i8254.h>
-#include <machine/io.h>
-
-#define DIVIDEND 1193180
-#define CTRL_PORT 0x61
-
-int
-pcspkr_tone(uint16_t freq, uint32_t msec)
-{
- uint32_t divisor;
- uint8_t tmp;
- struct timer tmr;
-
- if (req_timer(TIMER_GP, &tmr) != TMRR_SUCCESS)
- return -ENOTSUP;
- if (__unlikely(tmr.msleep == NULL))
- return -ENOTSUP;
-
- divisor = DIVIDEND / freq;
- outb(i8254_COMMAND, 0xB6);
- outb(i8254_CHANNEL_2, divisor & 0xFF);
- outb(i8254_CHANNEL_2, (divisor >> 8) & 0xFF);
-
- /* Oscillate the speaker */
- tmp = inb(CTRL_PORT);
- if (!__TEST(tmp, 3)) {
- tmp |= 3;
- outb(CTRL_PORT, tmp);
- }
-
- /* Sleep then turn off the speaker */
- tmr.msleep(msec);
- outb(CTRL_PORT, tmp & ~3);
- return 0;
-}