diff options
Diffstat (limited to 'sound/soc/tegra/tegra30_ahub.c')
| -rw-r--r-- | sound/soc/tegra/tegra30_ahub.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/sound/soc/tegra/tegra30_ahub.c b/sound/soc/tegra/tegra30_ahub.c index 30b7e481acc4..6fac8fc0177b 100644 --- a/sound/soc/tegra/tegra30_ahub.c +++ b/sound/soc/tegra/tegra30_ahub.c @@ -3,6 +3,7 @@ * * Author: Stephen Warren <swarren@nvidia.com> * Copyright (C) 2011 - NVIDIA, Inc. + * Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -302,6 +303,42 @@ int tegra30_ahub_tx_fifo_is_enabled(int i2s_id) return val; } +int tegra30_ahub_dam_ch0_is_enabled(int dam_id) +{ + int val, mask; + + val = tegra30_apbif_read((TEGRA30_AHUB_DAM_LIVE_STATUS) + + (dam_id * TEGRA30_AHUB_DAM_LIVE_STATUS_STRIDE)); + mask = TEGRA30_AHUB_DAM_LIVE_STATUS_RX0_ENABLED; + val &= mask; + + return val; +} + +int tegra30_ahub_dam_ch1_is_enabled(int dam_id) +{ + int val, mask; + + val = tegra30_apbif_read((TEGRA30_AHUB_DAM_LIVE_STATUS) + + (dam_id * TEGRA30_AHUB_DAM_LIVE_STATUS_STRIDE)); + mask = TEGRA30_AHUB_DAM_LIVE_STATUS_RX1_ENABLED; + val &= mask; + + return val; +} + +int tegra30_ahub_dam_tx_is_enabled(int dam_id) +{ + int val, mask; + + val = tegra30_apbif_read((TEGRA30_AHUB_DAM_LIVE_STATUS) + + (dam_id * TEGRA30_AHUB_DAM_LIVE_STATUS_STRIDE)); + mask = TEGRA30_AHUB_DAM_LIVE_STATUS_TX_ENABLED; + val &= mask; + + return val; +} + int tegra30_ahub_set_rx_fifo_pack_mode(enum tegra30_ahub_rxcif rxcif, unsigned int pack_mode) { |