soc/tegra/tegra30_ahub.c

107 	int channel;
111 	channel = find_first_zero_bit(ahub->rx_usage,
113 	if (channel >= TEGRA30_AHUB_CHANNEL_CTRL_COUNT)
116 	__set_bit(channel, ahub->rx_usage);
118 	*rxcif = TEGRA30_AHUB_RXCIF_APBIF_RX0 + channel;
119 	snprintf(dmachan, dmachan_len, "rx%d", channel);
121 		   (channel * TEGRA30_AHUB_CHANNEL_RXFIFO_STRIDE);
126 	      (channel * TEGRA30_AHUB_CHANNEL_CTRL_STRIDE);
148 	      (channel * TEGRA30_AHUB_CIF_RX_CTRL_STRIDE);
159 	int channel = rxcif - TEGRA30_AHUB_RXCIF_APBIF_RX0;
165 	      (channel * TEGRA30_AHUB_CHANNEL_CTRL_STRIDE);
178 	int channel = rxcif - TEGRA30_AHUB_RXCIF_APBIF_RX0;
184 	      (channel * TEGRA30_AHUB_CHANNEL_CTRL_STRIDE);
197 	int channel = rxcif - TEGRA30_AHUB_RXCIF_APBIF_RX0;
199 	__clear_bit(channel, ahub->rx_usage);
209 	int channel;
213 	channel = find_first_zero_bit(ahub->tx_usage,
215 	if (channel >= TEGRA30_AHUB_CHANNEL_CTRL_COUNT)
218 	__set_bit(channel, ahub->tx_usage);
220 	*txcif = TEGRA30_AHUB_TXCIF_APBIF_TX0 + channel;
221 	snprintf(dmachan, dmachan_len, "tx%d", channel);
223 		   (channel * TEGRA30_AHUB_CHANNEL_TXFIFO_STRIDE);
228 	      (channel * TEGRA30_AHUB_CHANNEL_CTRL_STRIDE);
250 	      (channel * TEGRA30_AHUB_CIF_TX_CTRL_STRIDE);
261 	int channel = txcif - TEGRA30_AHUB_TXCIF_APBIF_TX0;
267 	      (channel * TEGRA30_AHUB_CHANNEL_CTRL_STRIDE);
280 	int channel = txcif - TEGRA30_AHUB_TXCIF_APBIF_TX0;
286 	      (channel * TEGRA30_AHUB_CHANNEL_CTRL_STRIDE);
299 	int channel = txcif - TEGRA30_AHUB_TXCIF_APBIF_TX0;
301 	__clear_bit(channel, ahub->tx_usage);
310 	int channel = rxcif - TEGRA30_AHUB_RXCIF_APBIF_RX0;
316 	      (channel * TEGRA30_AHUB_AUDIO_RX_STRIDE);
327 	int channel = rxcif - TEGRA30_AHUB_RXCIF_APBIF_RX0;
333 	      (channel * TEGRA30_AHUB_AUDIO_RX_STRIDE);