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spkmodem: Move under drivers/pc80

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Change-Id: I46eb17ab19cea8759b3e4822019285cbe907e83a
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/5134
Tested-by: build bot (Jenkins)
Reviewed-by: Vladimir Serbinenko <phcoder@gmail.com>
This commit is contained in:
Kyösti Mälkki
2014-01-31 07:38:21 +02:00
parent e2227a23a7
commit 5148642c56
3 changed files with 4 additions and 3 deletions
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2
src/lib/Makefile.inc
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@@ -48,7 +48,6 @@ romstage-$(CONFIG_CACHE_AS_RAM) += ramtest.c
romstage-$(CONFIG_CONSOLE_SERIAL8250) += uart8250.c
romstage-$(CONFIG_CONSOLE_SERIAL8250MEM) += uart8250mem.c
romstage-$(CONFIG_CONSOLE_NE2K) += ne2k.c
romstage-$(CONFIG_SPKMODEM) += spkmodem.c
ifeq ($(CONFIG_EARLY_CBMEM_INIT),y)
romstage-$(CONFIG_COLLECT_TIMESTAMPS) += timestamp.c
@@ -91,7 +90,6 @@ romstage-y += clog2.c
ramstage-$(CONFIG_CONSOLE_SERIAL8250) += uart8250.c
ramstage-$(CONFIG_CONSOLE_SERIAL8250MEM) += uart8250mem.c
ramstage-$(CONFIG_CONSOLE_CBMEM) += cbmem_console.c
ramstage-$(CONFIG_SPKMODEM) += spkmodem.c
ramstage-$(CONFIG_BOOTSPLASH) += jpeg.c
ramstage-$(CONFIG_TRACE) += trace.c
ramstage-$(CONFIG_COLLECT_TIMESTAMPS) += timestamp.c

128
src/lib/spkmodem.c
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@@ -1,128 +0,0 @@
/*
* This file is part of the coreboot project.
*
* Copyright (C) 2013 Vladimir Serbinenko
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include <console/console.h>
#include <arch/io.h>
#include <console/spkmodem.h>
#include <cpu/x86/tsc.h>
#define SPEAKER_PIT_FREQUENCY 0x1234dd
enum {
PIT_COUNTER_0 = 0x40,
PIT_COUNTER_1 = 0x41,
PIT_COUNTER_2 = 0x42,
PIT_CTRL = 0x43,
PIT_SPEAKER_PORT = 0x61,
};
enum {
PIT_SPK_TMR2 = 0x01,
PIT_SPK_DATA = 0x02,
PIT_SPK_TMR2_LATCH = 0x20
};
enum {
PIT_CTRL_SELECT_MASK = 0xc0,
PIT_CTRL_SELECT_0 = 0x00,
PIT_CTRL_SELECT_1 = 0x40,
PIT_CTRL_SELECT_2 = 0x80,
PIT_CTRL_READLOAD_MASK= 0x30,
PIT_CTRL_COUNTER_LATCH = 0x00,
PIT_CTRL_READLOAD_LSB = 0x10,
PIT_CTRL_READLOAD_MSB = 0x20,
PIT_CTRL_READLOAD_WORD = 0x30,
PIT_CTRL_MODE_MASK = 0x0e,
PIT_CTRL_INTR_ON_TERM = 0x00,
PIT_CTRL_PROGR_ONE_SHOT = 0x02,
PIT_CTRL_RATE_GEN = 0x04,
PIT_CTRL_SQUAREWAVE_GEN = 0x06,
PIT_CTRL_SOFTSTROBE = 0x08,
PIT_CTRL_HARDSTROBE = 0x0a,
PIT_CTRL_COUNT_MASK = 0x01,
PIT_CTRL_COUNT_BINARY = 0x00,
PIT_CTRL_COUNT_BCD = 0x01
};
static void
make_tone (uint16_t freq_count, unsigned int duration)
{
outb (PIT_CTRL_SELECT_2
| PIT_CTRL_READLOAD_WORD
| PIT_CTRL_SQUAREWAVE_GEN
| PIT_CTRL_COUNT_BINARY, PIT_CTRL);
outb (freq_count & 0xff, PIT_COUNTER_2);
outb ((freq_count >> 8) & 0xff, PIT_COUNTER_2);
outb (inb (PIT_SPEAKER_PORT)
| PIT_SPK_TMR2 | PIT_SPK_DATA,
PIT_SPEAKER_PORT);
for (; duration; duration--) {
unsigned short counter, previous_counter = 0xffff;
while (1) {
counter = inb (PIT_COUNTER_2);
counter |= ((uint16_t) inb (PIT_COUNTER_2)) << 8;
if (counter > previous_counter)
{
previous_counter = counter;
break;
}
previous_counter = counter;
}
}
}
void spkmodem_tx_byte(unsigned char c)
{
int i;
make_tone (SPEAKER_PIT_FREQUENCY / 200, 4);
for (i = 7; i >= 0; i--) {
if ((c >> i) & 1)
make_tone (SPEAKER_PIT_FREQUENCY / 2000, 20);
else
make_tone (SPEAKER_PIT_FREQUENCY / 4000, 40);
make_tone (SPEAKER_PIT_FREQUENCY / 1000, 10);
}
make_tone (SPEAKER_PIT_FREQUENCY / 200, 0);
}
void spkmodem_init(void)
{
/* Some cards need time to come online. Output some message to get it started. */
spkmodem_tx_byte('S');
spkmodem_tx_byte('P');
spkmodem_tx_byte('K');
spkmodem_tx_byte('\r');
spkmodem_tx_byte('\n');
}