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[ALSA] snd:emu10k1: E-Mu updates. Fixes to firmware loading and support for 0404.

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Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
James Courtier-Dutton
2007-11-04 14:08:26 +00:00
committed by Mercurial server
parent 44893a36ba
commit 190d2c46e5
7 changed files with 97 additions and 64 deletions
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7
sound/pci/emu10k1/io.c
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@@ -227,11 +227,14 @@ int snd_emu10k1_i2c_write(struct snd_emu10k1 *emu,
int snd_emu1010_fpga_write(struct snd_emu10k1 * emu, u32 reg, u32 value)
{
unsigned long flags;
if (reg > 0x3f)
return 1;
reg += 0x40; /* 0x40 upwards are registers. */
if (value < 0 || value > 0x3f) /* 0 to 0x3f are values */
return 1;
spin_lock_irqsave(&emu->emu_lock, flags);
outl(reg, emu->port + A_IOCFG);
udelay(10);
outl(reg | 0x80, emu->port + A_IOCFG); /* High bit clocks the value into the fpga. */
@@ -239,20 +242,24 @@ int snd_emu1010_fpga_write(struct snd_emu10k1 * emu, u32 reg, u32 value)
outl(value, emu->port + A_IOCFG);
udelay(10);
outl(value | 0x80 , emu->port + A_IOCFG); /* High bit clocks the value into the fpga. */
spin_unlock_irqrestore(&emu->emu_lock, flags);
return 0;
}
int snd_emu1010_fpga_read(struct snd_emu10k1 * emu, u32 reg, u32 *value)
{
unsigned long flags;
if (reg > 0x3f)
return 1;
reg += 0x40; /* 0x40 upwards are registers. */
spin_lock_irqsave(&emu->emu_lock, flags);
outl(reg, emu->port + A_IOCFG);
udelay(10);
outl(reg | 0x80, emu->port + A_IOCFG); /* High bit clocks the value into the fpga. */
udelay(10);
*value = ((inl(emu->port + A_IOCFG) >> 8) & 0x7f);
spin_unlock_irqrestore(&emu->emu_lock, flags);
return 0;
}