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ALSA: add LaCie FireWire Speakers/Griffin FireWave Surround driver

Add a driver for two playback-only FireWire devices based on the OXFW970
chip.

v2: better AMDTP API abstraction; fix fw_unit leak; small fixes
v3: cache the iPCR value
v4: FireWave constraints; fix fw_device reference counting;
    fix PCR caching; small changes and fixes
v5: volume/mute support; fix crashing due to pcm stop races
v6: fix build; one-channel volume for LaCie
v7: use signed values to make volume (range checks) work; fix function
    block IDs for volume/mute; always use channel 0 for LaCie volume

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Acked-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Tested-by: Jay Fenlason <fenlason@redhat.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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1 parent a5abba9 commit 31ef9134eb52636d383a7d0626cbbd345cb94f2f @cladisch cladisch committed with tiwai Mar 15, 2011
@@ -362,3 +362,4 @@ void fw_iso_resource_manage(struct fw_card *card, int generation,
*channel = ret;
}
}
+EXPORT_SYMBOL(fw_iso_resource_manage);
View
@@ -147,9 +147,6 @@ void fw_node_event(struct fw_card *card, struct fw_node *node, int event);
/* -iso */
int fw_iso_buffer_map(struct fw_iso_buffer *buffer, struct vm_area_struct *vma);
-void fw_iso_resource_manage(struct fw_card *card, int generation,
- u64 channels_mask, int *channel, int *bandwidth,
- bool allocate, __be32 buffer[2]);
/* -topology */
View
@@ -42,6 +42,10 @@
#define CSR_BROADCAST_CHANNEL 0x234
#define CSR_CONFIG_ROM 0x400
#define CSR_CONFIG_ROM_END 0x800
+#define CSR_OMPR 0x900
+#define CSR_OPCR(i) (0x904 + (i) * 4)
+#define CSR_IMPR 0x980
+#define CSR_IPCR(i) (0x984 + (i) * 4)
#define CSR_FCP_COMMAND 0xB00
#define CSR_FCP_RESPONSE 0xD00
#define CSR_FCP_END 0xF00
@@ -441,5 +445,8 @@ int fw_iso_context_start(struct fw_iso_context *ctx,
int cycle, int sync, int tags);
int fw_iso_context_stop(struct fw_iso_context *ctx);
void fw_iso_context_destroy(struct fw_iso_context *ctx);
+void fw_iso_resource_manage(struct fw_card *card, int generation,
+ u64 channels_mask, int *channel, int *bandwidth,
+ bool allocate, __be32 buffer[2]);
#endif /* _LINUX_FIREWIRE_H */
View
@@ -97,6 +97,8 @@ source "sound/sh/Kconfig"
# here assuming USB is defined before ALSA
source "sound/usb/Kconfig"
+source "sound/firewire/Kconfig"
+
# the following will depend on the order of config.
# here assuming PCMCIA is defined before ALSA
source "sound/pcmcia/Kconfig"
View
@@ -6,7 +6,7 @@ obj-$(CONFIG_SOUND_PRIME) += sound_firmware.o
obj-$(CONFIG_SOUND_PRIME) += oss/
obj-$(CONFIG_DMASOUND) += oss/
obj-$(CONFIG_SND) += core/ i2c/ drivers/ isa/ pci/ ppc/ arm/ sh/ synth/ usb/ \
- sparc/ spi/ parisc/ pcmcia/ mips/ soc/ atmel/
+ firewire/ sparc/ spi/ parisc/ pcmcia/ mips/ soc/ atmel/
obj-$(CONFIG_SND_AOA) += aoa/
# This one must be compilable even if sound is configured out
View
@@ -0,0 +1,25 @@
+menuconfig SND_FIREWIRE
+ bool "FireWire sound devices"
+ depends on FIREWIRE
+ default y
+ help
+ Support for IEEE-1394/FireWire/iLink sound devices.
+
+if SND_FIREWIRE && FIREWIRE
+
+config SND_FIREWIRE_LIB
+ tristate
+ depends on SND_PCM
+
+config SND_FIREWIRE_SPEAKERS
+ tristate "FireWire speakers"
+ select SND_PCM
+ select SND_FIREWIRE_LIB
+ help
+ Say Y here to include support for the Griffin FireWave Surround
+ and the LaCie FireWire Speakers.
+
+ To compile this driver as a module, choose M here: the module
+ will be called snd-firewire-speakers.
+
+endif # SND_FIREWIRE
View
@@ -0,0 +1,6 @@
+snd-firewire-lib-objs := lib.o iso-resources.o packets-buffer.o \
+ fcp.o cmp.o amdtp.o
+snd-firewire-speakers-objs := speakers.o
+
+obj-$(CONFIG_SND_FIREWIRE_LIB) += snd-firewire-lib.o
+obj-$(CONFIG_SND_FIREWIRE_SPEAKERS) += snd-firewire-speakers.o
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