101 	int channel;  in tegra30_ahub_allocate_rx_fifo()  local
105 	channel = find_first_zero_bit(ahub->rx_usage,  in tegra30_ahub_allocate_rx_fifo()
107 	if (channel >= TEGRA30_AHUB_CHANNEL_CTRL_COUNT)  in tegra30_ahub_allocate_rx_fifo()
110 	__set_bit(channel, ahub->rx_usage);  in tegra30_ahub_allocate_rx_fifo()
112 	*rxcif = TEGRA30_AHUB_RXCIF_APBIF_RX0 + channel;  in tegra30_ahub_allocate_rx_fifo()
113 	snprintf(dmachan, dmachan_len, "rx%d", channel);  in tegra30_ahub_allocate_rx_fifo()
115 		   (channel * TEGRA30_AHUB_CHANNEL_RXFIFO_STRIDE);  in tegra30_ahub_allocate_rx_fifo()
120 	      (channel * TEGRA30_AHUB_CHANNEL_CTRL_STRIDE);  in tegra30_ahub_allocate_rx_fifo()
142 	      (channel * TEGRA30_AHUB_CIF_RX_CTRL_STRIDE);  in tegra30_ahub_allocate_rx_fifo()
153 	int channel = rxcif - TEGRA30_AHUB_RXCIF_APBIF_RX0;  in tegra30_ahub_enable_rx_fifo()  local
159 	      (channel * TEGRA30_AHUB_CHANNEL_CTRL_STRIDE);  in tegra30_ahub_enable_rx_fifo()
172 	int channel = rxcif - TEGRA30_AHUB_RXCIF_APBIF_RX0;  in tegra30_ahub_disable_rx_fifo()  local
178 	      (channel * TEGRA30_AHUB_CHANNEL_CTRL_STRIDE);  in tegra30_ahub_disable_rx_fifo()
191 	int channel = rxcif - TEGRA30_AHUB_RXCIF_APBIF_RX0;  in tegra30_ahub_free_rx_fifo()  local
193 	__clear_bit(channel, ahub->rx_usage);  in tegra30_ahub_free_rx_fifo()
203 	int channel;  in tegra30_ahub_allocate_tx_fifo()  local
207 	channel = find_first_zero_bit(ahub->tx_usage,  in tegra30_ahub_allocate_tx_fifo()
209 	if (channel >= TEGRA30_AHUB_CHANNEL_CTRL_COUNT)  in tegra30_ahub_allocate_tx_fifo()
212 	__set_bit(channel, ahub->tx_usage);  in tegra30_ahub_allocate_tx_fifo()
214 	*txcif = TEGRA30_AHUB_TXCIF_APBIF_TX0 + channel;  in tegra30_ahub_allocate_tx_fifo()
215 	snprintf(dmachan, dmachan_len, "tx%d", channel);  in tegra30_ahub_allocate_tx_fifo()
217 		   (channel * TEGRA30_AHUB_CHANNEL_TXFIFO_STRIDE);  in tegra30_ahub_allocate_tx_fifo()
222 	      (channel * TEGRA30_AHUB_CHANNEL_CTRL_STRIDE);  in tegra30_ahub_allocate_tx_fifo()
244 	      (channel * TEGRA30_AHUB_CIF_TX_CTRL_STRIDE);  in tegra30_ahub_allocate_tx_fifo()
255 	int channel = txcif - TEGRA30_AHUB_TXCIF_APBIF_TX0;  in tegra30_ahub_enable_tx_fifo()  local
261 	      (channel * TEGRA30_AHUB_CHANNEL_CTRL_STRIDE);  in tegra30_ahub_enable_tx_fifo()
274 	int channel = txcif - TEGRA30_AHUB_TXCIF_APBIF_TX0;  in tegra30_ahub_disable_tx_fifo()  local
280 	      (channel * TEGRA30_AHUB_CHANNEL_CTRL_STRIDE);  in tegra30_ahub_disable_tx_fifo()
293 	int channel = txcif - TEGRA30_AHUB_TXCIF_APBIF_TX0;  in tegra30_ahub_free_tx_fifo()  local
295 	__clear_bit(channel, ahub->tx_usage);  in tegra30_ahub_free_tx_fifo()
304 	int channel = rxcif - TEGRA30_AHUB_RXCIF_APBIF_RX0;  in tegra30_ahub_set_rx_cif_source()  local
310 	      (channel * TEGRA30_AHUB_AUDIO_RX_STRIDE);  in tegra30_ahub_set_rx_cif_source()
321 	int channel = rxcif - TEGRA30_AHUB_RXCIF_APBIF_RX0;  in tegra30_ahub_unset_rx_cif_source()  local
327 	      (channel * TEGRA30_AHUB_AUDIO_RX_STRIDE);  in tegra30_ahub_unset_rx_cif_source()