Author: zbao Date: 2009-11-25 09:14:04 +0100 (Wed, 25 Nov 2009) New Revision: 4955
Added: trunk/src/mainboard/technexion/tim5690/speaker.c trunk/src/mainboard/technexion/tim5690/speaker.h Log:
This patch is buzzer of TechNexion TIM-5690.
I forgot to svn add the speaker.c and speaker.h.
Signed-off-by: Libra Li libra.li@technexion.com Acked-by: Zheng Bao zheng.bao@amd.com
Added: trunk/src/mainboard/technexion/tim5690/speaker.c =================================================================== --- trunk/src/mainboard/technexion/tim5690/speaker.c (rev 0) +++ trunk/src/mainboard/technexion/tim5690/speaker.c 2009-11-25 08:14:04 UTC (rev 4955) @@ -0,0 +1,102 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2009 Libra Li libra.li@technexion.com + * + * 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 + */ + + +#ifdef __PRE_RAM__ + +#include <arch/cpu.h> +#include "southbridge/amd/sb600/sb600.h" + +#else + +#include <arch/io.h> +#include <device/pci.h> +#include <device/pci_ids.h> +#include <../southbridge/amd/sb600/sb600.h> +#include <delay.h> + +#endif // __PRE_RAM__ + +#include "speaker.h" + +void speaker_init(uint8_t time) { + /* SB600 RRG. + * Options_0 - RW - 8 bits - [PM_Reg: 60h]. + * SpkrEn, bit[5]=1b, Setting this bit will configure GPIO2 to be speaker output. + */ +#ifndef __PRE_RAM__ + pm_iowrite(0x60, (pm_ioread(0x60) | (1<<5))); +#else + pmio_write(0x60, (pmio_read(0x60) | (1<<5))); +#endif // __PRE_RAM__ + + /* SB600 RRG. + * Tmr1CntrlWord - RW - 8 bits - [IO_Reg: 43h]. + * ModeSelect, bit[3:1]=011b, Square wave output. + * CmmandSelect, bit[5:4]=11b, Read/write least, and then most significant byte. + * CounterSelect, bit[7:6]=10b, Select counter 2. + */ + outb(0xb6, 0x43); + + + /* SB600 RRG. + * TimerCh2- RW - 8 bits - [IO_Reg: 42h]. + */ + outb(time, 0x42); +} + +void speaker_on_nodelay(void) { + /* SB600 RRG. + * Nmi_Status - RW - 8 bits - [IO_Reg: 61h]. + * SpkrEnable, bit[0]=1b, Enable counter 2 + * SpkrTmrEnable, bit[1]=1b, Speaker timer on + */ + outb(inb(0x61) | 0x03, 0x61); +} + +void speaker_on_delay(void) { + /* SB600 RRG. + * Nmi_Status - RW - 8 bits - [IO_Reg: 61h]. + * SpkrEnable, bit[0]=1b, Enable counter 2 + * SpkrTmrEnable, bit[1]=1b, Speaker timer on + */ + outb(inb(0x61) | 0x03, 0x61); + mdelay(100); +} + +void speaker_off_nodelay(void) { + /* SB600 RRG. + * Nmi_Status - RW - 8 bits - [IO_Reg: 61h]. + * SpkrEnable, bit[0]=0b, Disable counter 2 + * SpkrTmrEnable, bit[1]=0b, Speaker timer off + */ + outb(inb(0x61) & ~0x03, 0x61); +} + +void speaker_off_delay(void) { + /* SB600 RRG. + * Nmi_Status - RW - 8 bits - [IO_Reg: 61h]. + * SpkrEnable, bit[0]=0b, Disable counter 2 + * SpkrTmrEnable, bit[1]=0b, Speaker timer off + */ + outb(inb(0x61) & ~0x03, 0x61); + mdelay(100); +} +
Added: trunk/src/mainboard/technexion/tim5690/speaker.h =================================================================== --- trunk/src/mainboard/technexion/tim5690/speaker.h (rev 0) +++ trunk/src/mainboard/technexion/tim5690/speaker.h 2009-11-25 08:14:04 UTC (rev 4955) @@ -0,0 +1,25 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2009 Libra Li libra.li@technexion.com + * + * 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 + */ + +void speaker_init(uint8_t time); +void speaker_on_nodelay(void); +void speaker_off_nodelay(void); +void speaker_on_delay(void); +void speaker_off_delay(void);