diff options
Diffstat (limited to 'sound/oss/sh_dac_audio.c')
-rw-r--r-- | sound/oss/sh_dac_audio.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/sound/oss/sh_dac_audio.c b/sound/oss/sh_dac_audio.c index ae7fccc510a1..83ff8a71f716 100644 --- a/sound/oss/sh_dac_audio.c +++ b/sound/oss/sh_dac_audio.c | |||
@@ -1,3 +1,14 @@ | |||
1 | /* | ||
2 | * sound/oss/sh_dac_audio.c | ||
3 | * | ||
4 | * SH DAC based sound :( | ||
5 | * | ||
6 | * Copyright (C) 2004,2005 Andriy Skulysh | ||
7 | * | ||
8 | * This file is subject to the terms and conditions of the GNU General Public | ||
9 | * License. See the file "COPYING" in the main directory of this archive | ||
10 | * for more details. | ||
11 | */ | ||
1 | #include <linux/module.h> | 12 | #include <linux/module.h> |
2 | #include <linux/init.h> | 13 | #include <linux/init.h> |
3 | #include <linux/sched.h> | 14 | #include <linux/sched.h> |
@@ -11,10 +22,12 @@ | |||
11 | #include <asm/uaccess.h> | 22 | #include <asm/uaccess.h> |
12 | #include <asm/irq.h> | 23 | #include <asm/irq.h> |
13 | #include <asm/delay.h> | 24 | #include <asm/delay.h> |
25 | #include <asm/clock.h> | ||
14 | #include <asm/cpu/dac.h> | 26 | #include <asm/cpu/dac.h> |
27 | #include <asm/cpu/timer.h> | ||
15 | #include <asm/machvec.h> | 28 | #include <asm/machvec.h> |
16 | #include <asm/hp6xx/hp6xx.h> | 29 | #include <asm/hp6xx/hp6xx.h> |
17 | #include <asm/hd64461/hd64461.h> | 30 | #include <asm/hd64461.h> |
18 | 31 | ||
19 | #define MODNAME "sh_dac_audio" | 32 | #define MODNAME "sh_dac_audio" |
20 | 33 | ||
@@ -23,11 +36,6 @@ | |||
23 | #define TMU1_TCR_INIT 0x0020 /* Clock/4, rising edge; interrupt on */ | 36 | #define TMU1_TCR_INIT 0x0020 /* Clock/4, rising edge; interrupt on */ |
24 | #define TMU1_TSTR_INIT 0x02 /* Bit to turn on TMU1 */ | 37 | #define TMU1_TSTR_INIT 0x02 /* Bit to turn on TMU1 */ |
25 | 38 | ||
26 | #define TMU_TSTR 0xfffffe92 | ||
27 | #define TMU1_TCOR 0xfffffea0 | ||
28 | #define TMU1_TCNT 0xfffffea4 | ||
29 | #define TMU1_TCR 0xfffffea8 | ||
30 | |||
31 | #define BUFFER_SIZE 48000 | 39 | #define BUFFER_SIZE 48000 |
32 | 40 | ||
33 | static int rate; | 41 | static int rate; |
@@ -87,14 +95,18 @@ static void dac_audio_stop(void) | |||
87 | outw(v, HD64461_GPADR); | 95 | outw(v, HD64461_GPADR); |
88 | } | 96 | } |
89 | 97 | ||
98 | sh_dac_output(0, CONFIG_SOUND_SH_DAC_AUDIO_CHANNEL); | ||
90 | sh_dac_disable(CONFIG_SOUND_SH_DAC_AUDIO_CHANNEL); | 99 | sh_dac_disable(CONFIG_SOUND_SH_DAC_AUDIO_CHANNEL); |
91 | } | 100 | } |
92 | 101 | ||
93 | static void dac_audio_set_rate(void) | 102 | static void dac_audio_set_rate(void) |
94 | { | 103 | { |
95 | unsigned long interval; | 104 | unsigned long interval; |
105 | struct clk *clk; | ||
96 | 106 | ||
97 | interval = (current_cpu_data.module_clock / 4) / rate; | 107 | clk = clk_get("module_clk"); |
108 | interval = (clk_get_rate(clk) / 4) / rate; | ||
109 | clk_put(clk); | ||
98 | ctrl_outl(interval, TMU1_TCOR); | 110 | ctrl_outl(interval, TMU1_TCOR); |
99 | ctrl_outl(interval, TMU1_TCNT); | 111 | ctrl_outl(interval, TMU1_TCNT); |
100 | } | 112 | } |