diff options
| author | Mathieu Sonet <contact@elasticsheep.com> | 2011-10-28 10:55:37 +0100 |
|---|---|---|
| committer | Andrzej Zaborowski <andrew.zaborowski@intel.com> | 2011-10-31 05:40:22 +0100 |
| commit | d028d02d0cb5faecb8270eca43066f13add72a29 (patch) | |
| tree | af1c77cdd1bffc12af5c4eabb782cea88b66a02e /hw/versatilepb.c | |
| parent | 375847a6c0330e3de0fd1589eeb5a364692b791e (diff) | |
Add AACI audio playback support to the ARM Versatile/PB platform
This driver emulates the ARM AACI interface (PL041) connected to a LM4549 codec.
It enables audio playback for the Versatile/PB platform.
Limitations:
- Supports only a playback on one channel (Versatile/Vexpress)
- Supports only one TX FIFO in compact-mode or non-compact mode.
- Supports playback of 12, 16, 18 and 20 bits samples.
- Record is not supported.
- The PL041 is hardwired to a LM4549 codec.
Versatile/PB test build:
linux-2.6.38.5
buildroot-2010.11
alsa-lib-1.0.22
alsa-utils-1.0.22
mpg123-0.66
Qemu host: Ubuntu 10.04 in Vmware/OS X
Playback tested successfully with speaker-test/aplay/mpg123.
Signed-off-by: Mathieu Sonet <contact@elasticsheep.com>
[Peter Maydell: fixed typo in code clearing SL1RXBUSY/SL2RXBUSY
bits, as spotted by Andrzej Zaborowski]
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andrzej Zaborowski <andrew.zaborowski@intel.com>
Diffstat (limited to 'hw/versatilepb.c')
| -rw-r--r-- | hw/versatilepb.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/versatilepb.c b/hw/versatilepb.c index 68402cc479..6370600bb3 100644 --- a/hw/versatilepb.c +++ b/hw/versatilepb.c @@ -182,6 +182,7 @@ static void versatile_init(ram_addr_t ram_size, qemu_irq sic[32]; DeviceState *dev, *sysctl; SysBusDevice *busdev; + DeviceState *pl041; PCIBus *pci_bus; NICInfo *nd; int n; @@ -273,6 +274,13 @@ static void versatile_init(ram_addr_t ram_size, /* Add PL031 Real Time Clock. */ sysbus_create_simple("pl031", 0x101e8000, pic[10]); + /* Add PL041 AACI Interface to the LM4549 codec */ + pl041 = qdev_create(NULL, "pl041"); + qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512); + qdev_init_nofail(pl041); + sysbus_mmio_map(sysbus_from_qdev(pl041), 0, 0x10004000); + sysbus_connect_irq(sysbus_from_qdev(pl041), 0, sic[24]); + /* Memory map for Versatile/PB: */ /* 0x10000000 System registers. */ /* 0x10001000 PCI controller config registers. */ |