sound: SH DAC audio driver updates.
Update the SH DAC audio driver for the clock framework. Signed-off-by: Andriy Skulysh <askulysh@gmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
parent
048839dc54
commit
7e27b9b720
|
@ -1,3 +1,14 @@
|
||||||
|
/*
|
||||||
|
* sound/oss/sh_dac_audio.c
|
||||||
|
*
|
||||||
|
* SH DAC based sound :(
|
||||||
|
*
|
||||||
|
* Copyright (C) 2004,2005 Andriy Skulysh
|
||||||
|
*
|
||||||
|
* This file is subject to the terms and conditions of the GNU General Public
|
||||||
|
* License. See the file "COPYING" in the main directory of this archive
|
||||||
|
* for more details.
|
||||||
|
*/
|
||||||
#include <linux/module.h>
|
#include <linux/module.h>
|
||||||
#include <linux/init.h>
|
#include <linux/init.h>
|
||||||
#include <linux/sched.h>
|
#include <linux/sched.h>
|
||||||
|
@ -11,10 +22,12 @@
|
||||||
#include <asm/uaccess.h>
|
#include <asm/uaccess.h>
|
||||||
#include <asm/irq.h>
|
#include <asm/irq.h>
|
||||||
#include <asm/delay.h>
|
#include <asm/delay.h>
|
||||||
|
#include <asm/clock.h>
|
||||||
#include <asm/cpu/dac.h>
|
#include <asm/cpu/dac.h>
|
||||||
|
#include <asm/cpu/timer.h>
|
||||||
#include <asm/machvec.h>
|
#include <asm/machvec.h>
|
||||||
#include <asm/hp6xx/hp6xx.h>
|
#include <asm/hp6xx/hp6xx.h>
|
||||||
#include <asm/hd64461/hd64461.h>
|
#include <asm/hd64461.h>
|
||||||
|
|
||||||
#define MODNAME "sh_dac_audio"
|
#define MODNAME "sh_dac_audio"
|
||||||
|
|
||||||
|
@ -23,11 +36,6 @@
|
||||||
#define TMU1_TCR_INIT 0x0020 /* Clock/4, rising edge; interrupt on */
|
#define TMU1_TCR_INIT 0x0020 /* Clock/4, rising edge; interrupt on */
|
||||||
#define TMU1_TSTR_INIT 0x02 /* Bit to turn on TMU1 */
|
#define TMU1_TSTR_INIT 0x02 /* Bit to turn on TMU1 */
|
||||||
|
|
||||||
#define TMU_TSTR 0xfffffe92
|
|
||||||
#define TMU1_TCOR 0xfffffea0
|
|
||||||
#define TMU1_TCNT 0xfffffea4
|
|
||||||
#define TMU1_TCR 0xfffffea8
|
|
||||||
|
|
||||||
#define BUFFER_SIZE 48000
|
#define BUFFER_SIZE 48000
|
||||||
|
|
||||||
static int rate;
|
static int rate;
|
||||||
|
@ -87,14 +95,18 @@ static void dac_audio_stop(void)
|
||||||
outw(v, HD64461_GPADR);
|
outw(v, HD64461_GPADR);
|
||||||
}
|
}
|
||||||
|
|
||||||
|
sh_dac_output(0, CONFIG_SOUND_SH_DAC_AUDIO_CHANNEL);
|
||||||
sh_dac_disable(CONFIG_SOUND_SH_DAC_AUDIO_CHANNEL);
|
sh_dac_disable(CONFIG_SOUND_SH_DAC_AUDIO_CHANNEL);
|
||||||
}
|
}
|
||||||
|
|
||||||
static void dac_audio_set_rate(void)
|
static void dac_audio_set_rate(void)
|
||||||
{
|
{
|
||||||
unsigned long interval;
|
unsigned long interval;
|
||||||
|
struct clk *clk;
|
||||||
|
|
||||||
interval = (current_cpu_data.module_clock / 4) / rate;
|
clk = clk_get("module_clk");
|
||||||
|
interval = (clk_get_rate(clk) / 4) / rate;
|
||||||
|
clk_put(clk);
|
||||||
ctrl_outl(interval, TMU1_TCOR);
|
ctrl_outl(interval, TMU1_TCOR);
|
||||||
ctrl_outl(interval, TMU1_TCNT);
|
ctrl_outl(interval, TMU1_TCNT);
|
||||||
}
|
}
|
||||||
|
|
Loading…
Reference in New Issue