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author | James Courtier-Dutton <James@superbug.co.uk> | 2006-10-01 10:48:04 +0100 |
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committer | Jaroslav Kysela <perex@suse.cz> | 2007-02-09 08:59:59 +0100 |
commit | 9f4bd5dde81b5cb94e4f52f2f05825aa0422f1ff (patch) | |
tree | 884d0016c361a555ab1bc95287e64a6c109a0609 /sound/pci/emu10k1/io.c | |
parent | 5986a2ec35836a878350c54af4bd91b1de6abc59 (diff) | |
download | linux-3.10-9f4bd5dde81b5cb94e4f52f2f05825aa0422f1ff.tar.gz linux-3.10-9f4bd5dde81b5cb94e4f52f2f05825aa0422f1ff.tar.bz2 linux-3.10-9f4bd5dde81b5cb94e4f52f2f05825aa0422f1ff.zip |
[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>
Diffstat (limited to 'sound/pci/emu10k1/io.c')
-rw-r--r-- | sound/pci/emu10k1/io.c | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/sound/pci/emu10k1/io.c b/sound/pci/emu10k1/io.c index 029e7856c43..27ab7d1788a 100644 --- a/sound/pci/emu10k1/io.c +++ b/sound/pci/emu10k1/io.c @@ -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; |