[ALSA] snd-emu10k1: Added support for emu1010, including E-Mu 1212m and E-Mu 1820m

Signed-off-by: James Courtier-Dutton <James@superbug.co.uk>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
James Courtier-Dutton
2006-10-01 10:48:04 +01:00
committed by Jaroslav Kysela
parent 5986a2ec35
commit 9f4bd5dde8
10 changed files with 1330 additions and 182 deletions

View File

@ -167,6 +167,51 @@ int snd_emu10k1_spi_write(struct snd_emu10k1 * emu,
return 0;
}
int snd_emu1010_fpga_write(struct snd_emu10k1 * emu, int reg, int value)
{
if (reg < 0 || reg > 0x3f)
return 1;
reg += 0x40; /* 0x40 upwards are registers. */
if (value < 0 || value > 0x3f) /* 0 to 0x3f are values */
return 1;
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);
outl(value, emu->port + A_IOCFG);
udelay(10);
outl(value | 0x80 , emu->port + A_IOCFG); /* High bit clocks the value into the fpga. */
return 0;
}
int snd_emu1010_fpga_read(struct snd_emu10k1 * emu, int reg, int *value)
{
if (reg < 0 || reg > 0x3f)
return 1;
reg += 0x40; /* 0x40 upwards are registers. */
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);
return 0;
}
/* Each Destination has one and only one Source,
* but one Source can feed any number of Destinations simultaneously.
*/
int snd_emu1010_fpga_link_dst_src_write(struct snd_emu10k1 * emu, int dst, int src)
{
snd_emu1010_fpga_write(emu, 0x00, ((dst >> 8) & 0x3f) );
snd_emu1010_fpga_write(emu, 0x01, (dst & 0x3f) );
snd_emu1010_fpga_write(emu, 0x02, ((src >> 8) & 0x3f) );
snd_emu1010_fpga_write(emu, 0x03, (src & 0x3f) );
return 0;
}
void snd_emu10k1_intr_enable(struct snd_emu10k1 *emu, unsigned int intrenb)
{
unsigned long flags;