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/* |
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* Copyright (C) 2014 by Takashi Sakamoto |
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* Copyright (C) 2005-2008 by Pieter Palmers |
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* |
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* This file is part of FFADO |
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* FFADO = Free Firewire (pro-)audio drivers for linux |
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* |
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* FFADO is based upon FreeBoB. |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 2 of the License, or |
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* (at your option) version 3 of the License. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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#include "libutil/Configuration.h" |
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#include "libutil/ByteSwap.h" |
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#include "libutil/SystemTimeSource.h" |
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#include <libraw1394/csr.h> |
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#include <libieee1394/IEC61883.h> |
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#include "bebob/maudio/special_avdevice.h" |
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namespace BeBoB { |
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namespace MAudio { |
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namespace Special { |
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Device::Device(DeviceManager& d, ffado_smartptr<ConfigRom>(configRom)) |
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: BeBoB::Device(d, configRom) |
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{ |
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is1814 = (getConfigRom().getModelId() == 0x00010071); |
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debugOutput(DEBUG_LEVEL_VERBOSE, "Created BeBoB::MAudio::Device (NodeID %d)\n", |
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getConfigRom().getNodeId()); |
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updateClockSources(); |
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} |
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void Device::showDevice() |
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{ |
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debugOutput(DEBUG_LEVEL_NORMAL, "This is a BeBoB::MAudio::Device\n"); |
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} |
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/* |
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* Discoveing plugs: |
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* The firmware can't respond any commands related to plug info. |
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*/ |
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bool Device::discover() |
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{ |
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/* keep track of the config id of this discovery */ |
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m_last_discovery_config_id = getConfigurationId(); |
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return true; |
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} |
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/* don't lock to prevent from streaming */ |
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bool Device::lock() |
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{ |
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return false; |
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} |
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bool Device::Unlock() |
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{ |
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return false; |
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} |
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/* don't cache */ |
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bool Device::loadFromCache() |
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{ |
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return buildMixer(); |
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} |
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bool Device::saveCache() |
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{ |
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return true; |
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} |
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bool Device::buildMixer() |
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{ |
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debugOutput(DEBUG_LEVEL_VERBOSE, "Building a maudio special mixer...\n"); |
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delete m_special_mixer; |
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m_special_mixer = new Mixer(*this); |
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if (m_special_mixer) |
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m_special_mixer->setVerboseLevel(getDebugLevel()); |
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return (m_special_mixer != NULL); |
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} |
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bool Device::destroyMixer() |
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{ |
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delete m_special_mixer; |
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return true; |
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} |
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/* |
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* Sampling frequency support: |
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* set: Input/Output Signal Format command |
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* get: Input Signal Format command (or metering information) |
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* |
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* TODO |
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*/ |
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std::vector<int> Device::getSupportedSamplingFrequencies() |
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{ |
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std::vector<int> freqs; |
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freqs.push_back(0); |
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return freqs; |
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} |
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bool Device::supportsSamplingFrequency(int s) |
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{ |
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return true; |
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} |
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int Device::getSamplingFrequency() |
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{ |
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return 0; |
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} |
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/* |
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* Clock Source support: |
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* TODO: use ALSA control interface |
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* |
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*/ |
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void Device::updateClockSources() |
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{ |
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m_fixed_clksrc.type = FFADODevice::eCT_Internal; |
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m_fixed_clksrc.active = true; |
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m_fixed_clksrc.valid = true; |
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m_fixed_clksrc.locked = true; |
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m_fixed_clksrc.id = 0; |
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m_fixed_clksrc.slipping = false; |
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m_fixed_clksrc.description = "Controlled by ALSA"; |
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} |
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FFADODevice::ClockSourceVector |
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Device::getSupportedClockSources() |
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{ |
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FFADODevice::ClockSourceVector r; |
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r.push_back(m_fixed_clksrc); |
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return r; |
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} |
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FFADODevice::ClockSource |
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Device::getActiveClockSource() |
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{ |
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return m_fixed_clksrc; |
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} |
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bool |
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Device::setActiveClockSource(ClockSource s) |
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{ |
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return true; |
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} |
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/* |
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* Streaming State: |
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* The firmware can't respond against frequent requests. |
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* TODO: how to void frequent transaction? |
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*/ |
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enum FFADODevice::eStreamingState |
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Device::getStreamingState() |
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{ |
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return eSS_Both; |
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} |
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/* |
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* The firmware can't speak: |
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* 'Extended Plug Info command' (BridgeCo) |
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* 'Connection and Compatibility Management' (1394TA) |
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*/ |
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uint8_t |
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Device::getConfigurationIdSampleRate() |
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{ |
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return 1; |
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} |
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uint8_t |
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Device::getConfigurationIdNumberOfChannel( AVC::PlugAddress::EPlugDirection ePlugDirection ) |
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{ |
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return 2; |
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} |
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uint16_t |
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Device::getConfigurationIdSyncMode() |
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{ |
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return 3; |
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} |
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bool Device::readReg(uint64_t offset, uint32_t *data) |
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{ |
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Util::MutexLockHelper lock(m_DeviceMutex); |
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/* read cache because it's 'write-only' */ |
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*data = m_regs[offset / 4]; |
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return true; |
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} |
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bool Device::writeReg(uint64_t offset, uint32_t data) |
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{ |
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int trials; |
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fb_nodeid_t nodeId; |
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fb_nodeaddr_t addr; |
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fb_quadlet_t quad; |
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Util::MutexLockHelper lock(m_DeviceMutex); |
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nodeId = getNodeId() | 0xffc0; |
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addr = MAUDIO_SPECIFIC_ADDRESS + MAUDIO_CONTROL_OFFSET + offset; |
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quad = CondSwapToBus32(data); |
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/* cache because it's 'write-only' */ |
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m_regs[offset / 4] = data; |
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trials = 0; |
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do { |
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if (get1394Service().write_quadlet(nodeId, addr, quad)) |
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break; |
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Util::SystemTimeSource::SleepUsecRelative(100); |
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} while (++trials < 4); |
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return true; |
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} |
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bool Device::writeBlk(uint64_t offset, unsigned int size, uint32_t *data) |
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{ |
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fb_nodeid_t nodeId; |
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fb_nodeaddr_t addr; |
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unsigned int i, length, trials; |
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nodeId = getNodeId() | 0xffc0; |
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addr = MAUDIO_SPECIFIC_ADDRESS + MAUDIO_CONTROL_OFFSET + offset; |
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length = size /4; |
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for (i = 0; i < length; i++) { |
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/* the device applies the setting even if the device don't respond */ |
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m_regs[i] = data[i]; |
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data[i] = CondSwapToBus32(data[i]); |
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} |
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trials = 0; |
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do { |
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if (get1394Service().write(nodeId, addr, length, (fb_quadlet_t*)data)) |
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break; |
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Util::SystemTimeSource::SleepUsecRelative(100); |
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} while (++trials < 4); |
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return true; |
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} |
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} // namespace Special |
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} // namespace MAudio |
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} // namespace BeBoB |
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