From 0e085999d50578eff8bf89e71a88b9a9e05e3463 Mon Sep 17 00:00:00 2001 From: Linus Nielsen Feltzing Date: Thu, 16 May 2002 21:12:57 +0000 Subject: Changed default_read prototype git-svn-id: svn://svn.rockbox.org/rockbox/trunk@606 a1c6a512-1295-4272-9138-f99709370657 --- firmware/drivers/mas.c | 31 ++++++++++++++++++++++++++++--- firmware/drivers/mas.h | 5 +++-- 2 files changed, 31 insertions(+), 5 deletions(-) diff --git a/firmware/drivers/mas.c b/firmware/drivers/mas.c index 97017e8db5..38344ecc23 100644 --- a/firmware/drivers/mas.c +++ b/firmware/drivers/mas.c @@ -20,9 +20,34 @@ #include "debug.h" #include "mas.h" -int mas_default_read(unsigned long *buf) +int mas_default_read(unsigned short *buf) { - return mas_devread(buf, 1); + unsigned char *dest = (unsigned char *)buf; + int ret = 0; + + i2c_start(); + i2c_outb(MAS_DEV_WRITE); + if (i2c_getack()) { + i2c_outb(MAS_DATA_READ); + if (i2c_getack()) { + i2c_start(); + i2c_outb(MAS_DEV_READ); + if (i2c_getack()) { + dest[0] = i2c_inb(0); + dest[1] = i2c_inb(1); + } + else + ret = -3; + } + else + ret = -2; + } + else + ret = -1; + + i2c_stop(); + + return ret; } int mas_run(unsigned short address) @@ -126,7 +151,7 @@ int mas_readreg(int reg) return buf[0] | buf[1] << 8 | buf[3] << 16; } -int mas_writereg(int reg, unsigned short val) +int mas_writereg(int reg, unsigned int val) { int i; unsigned char buf[16]; diff --git a/firmware/drivers/mas.h b/firmware/drivers/mas.h index aca71bd35f..a538bbcbf0 100644 --- a/firmware/drivers/mas.h +++ b/firmware/drivers/mas.h @@ -45,12 +45,13 @@ #define MAS_REG_KBASS 0x6b #define MAS_REG_KTREBLE 0x6f -int mas_default_read(unsigned long *buf); +int mas_default_read(unsigned short *buf); int mas_run(unsigned short address); int mas_readmem(int bank, int addr, unsigned long* dest, int len); int mas_writemem(int bank, int addr, unsigned long* src, int len); int mas_devread(unsigned long *buf, int len); int mas_readreg(int reg); -int mas_writereg(int reg, unsigned short val); +int mas_writereg(int reg, unsigned int val); +int dac_volume(unsigned int volume); #endif -- cgit v1.2.3