diff options
| -rw-r--r-- | Documentation/sound/alsa/ALSA-Configuration.txt | 12 | ||||
| -rw-r--r-- | Documentation/sound/alsa/CMIPCI.txt | 10 | ||||
| -rw-r--r-- | sound/pci/Kconfig | 6 | ||||
| -rw-r--r-- | sound/pci/cmipci.c | 22 |
4 files changed, 32 insertions, 18 deletions
diff --git a/Documentation/sound/alsa/ALSA-Configuration.txt b/Documentation/sound/alsa/ALSA-Configuration.txt index 3df33ea..85b4005 100644 --- a/Documentation/sound/alsa/ALSA-Configuration.txt +++ b/Documentation/sound/alsa/ALSA-Configuration.txt @@ -365,13 +365,15 @@ Prior to version 0.9.0rc4 options had a 'snd_' prefix. This was removed. Module snd-cmipci ----------------- - Module for C-Media CMI8338 and 8738 PCI sound cards. + Module for C-Media CMI8338/8738/8768/8770 PCI sound cards. - mpu_port - 0x300,0x310,0x320,0x330 = legacy port, - 1 = integrated PCI port, + mpu_port - port address of MIDI interface: + 0x300,0x310,0x320,0x330 = legacy port, + 1 = integrated PCI port (8738 or later), 0 = disable (default) - fm_port - 0x388 = legacy port, - 1 = integrated PCI port (default), + fm_port - port address of OPL-3 FM synthesizer (8x38 only): + 0x388 = legacy port, + 1 = integrated PCI port (default on 8738), 0 = disable soft_ac3 - Software-conversion of raw SPDIF packets (model 033 only) (default = 1) diff --git a/Documentation/sound/alsa/CMIPCI.txt b/Documentation/sound/alsa/CMIPCI.txt index 4b2b153..664be46 100644 --- a/Documentation/sound/alsa/CMIPCI.txt +++ b/Documentation/sound/alsa/CMIPCI.txt @@ -1,5 +1,5 @@ - Brief Notes on C-Media 8738/8338 Driver - ======================================= + Brief Notes on C-Media 8338/8738/8768/8770 Driver + ================================================= Takashi Iwai <tiwai@suse.de> @@ -212,7 +212,9 @@ MIDI CONTROLLER The MPU401-UART interface is disabled as default. You need to set module option "mpu_port" with a valid I/O port address to enable the MIDI support. The valid I/O ports are 0x300, 0x310, 0x320 and 0x330. -Choose the value which doesn't conflict with other cards. +Choose the value which doesn't conflict with other cards. With +CMI8738 and newer chips, you can use "mpu_port=1" to use a PCI port +address that does not conflict with any other card. There is _no_ hardware wavetable function on this chip (except for OPL3 synth below). @@ -230,6 +232,8 @@ Set "fm_port" module option for more cards. The output quality of FM OPL/3 is, however, very weird. I don't know why.. +CMI8768 and newer chips do not have the FM synth. + Joystick and Modem ------------------ diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig index 9554140..5d0732c 100644 --- a/sound/pci/Kconfig +++ b/sound/pci/Kconfig @@ -170,14 +170,14 @@ config SND_CA0106 will be called snd-ca0106. config SND_CMIPCI - tristate "C-Media 8738, 8338" + tristate "C-Media 8338, 8738, 8768, 8770" depends on SND select SND_OPL3_LIB select SND_MPU401_UART select SND_PCM help - If you want to use soundcards based on C-Media CMI8338 or CMI8738 - chips, say Y here and read + If you want to use soundcards based on C-Media CMI8338, CMI8738, + CMI8768 or CMI8770 chips, say Y here and read <file:Documentation/sound/alsa/CMIPCI.txt>. To compile this driver as a module, choose M here: the module diff --git a/sound/pci/cmipci.c b/sound/pci/cmipci.c index c42c516..9d394c7 100644 --- a/sound/pci/cmipci.c +++ b/sound/pci/cmipci.c @@ -2774,10 +2774,14 @@ static int __devinit snd_cmipci_create_fm(struct cmipci *cm, long fm_port) if (!fm_port) goto disable_fm; - /* first try FM regs in PCI port range */ - iosynth = cm->iobase + CM_REG_FM_PCI; - err = snd_opl3_create(cm->card, iosynth, iosynth + 2, - OPL3_HW_OPL3, 1, &opl3); + if (cm->chip_version > 33) { + /* first try FM regs in PCI port range */ + iosynth = cm->iobase + CM_REG_FM_PCI; + err = snd_opl3_create(cm->card, iosynth, iosynth + 2, + OPL3_HW_OPL3, 1, &opl3); + } else { + err = -EIO; + } if (err < 0) { /* then try legacy ports */ val = snd_cmipci_read(cm, CM_REG_LEGACY_CTRL) & ~CM_FMSEL_MASK; @@ -2935,7 +2939,8 @@ static int __devinit snd_cmipci_create(struct snd_card *card, struct pci_dev *pc return err; } - integrated_midi = snd_cmipci_read_b(cm, CM_REG_MPU_PCI) != 0xff; + integrated_midi = cm->chip_version > 33 && + snd_cmipci_read_b(cm, CM_REG_MPU_PCI + 1) != 0xff; if (integrated_midi && mpu_port[dev] == 1) iomidi = cm->iobase + CM_REG_MPU_PCI; else { @@ -2955,8 +2960,11 @@ static int __devinit snd_cmipci_create(struct snd_card *card, struct pci_dev *pc } } - if ((err = snd_cmipci_create_fm(cm, fm_port[dev])) < 0) - return err; + if (cm->chip_version < 68) { + err = snd_cmipci_create_fm(cm, fm_port[dev]); + if (err < 0) + return err; + } /* reset mixer */ snd_cmipci_mixer_write(cm, 0, 0); |
