Lines Matching +full:mic +full:- +full:channel +full:- +full:s

7  * SPDX-License-Identifier: Apache-2.0
71 	PDM_CHAN_LEFT,	/**< Left channel */
72 	PDM_CHAN_RIGHT, /**< Right channel */
83 	/** Minimum clock frequency supported by the mic */
85 	/** Maximum clock frequency supported by the mic */
87 	/** Minimum duty cycle in % supported by the mic */
89 	/** Maximum duty cycle in % supported by the mic */
101 	/** Bit mask to optionally invert mic data */
128  * Mapping/ordering of the PDM channels to logical PCM output channel
134  * If 2 streams are enabled, the channel order will be the same for
137  * Each channel is described as a 4-bit number, the least significant
141  *  - bits 0-3 are for channel 0, bit 0 indicates LEFT or RIGHT
142  *  - bits 4-7 are for channel 1, bit 4 indicates LEFT or RIGHT
150 	 * @name Requested channel map
158 	 * @name Actual channel map that the driver could configure
169 	/** Requested number of streams for each channel */
185 	struct pdm_chan_cfg channel;  member
199  * Build the channel map to populate struct pdm_chan_cfg
201  * Returns the map of PDM controller and LEFT/RIGHT channel shifted to
202  * the bit position corresponding to the input logical channel value
204  * @param channel The logical channel number
206  * @param lr LEFT/RIGHT channel within the chosen PDM hardware controller
208  * @return Bit-map containing the PDM and L/R channel information
210 static inline uint32_t dmic_build_channel_map(uint8_t channel, uint8_t pdm,  in dmic_build_channel_map()  argument
214 			((channel & BIT_MASK(3)) * 4U));  in dmic_build_channel_map()
218  * Helper function to parse the channel map in pdm_chan_cfg
220  * Returns the PDM controller and LEFT/RIGHT channel corresponding to
221  * the channel map and the logical channel provided as input
223  * @param channel_map_lo Lower order/significant bits of the channel map
224  * @param channel_map_hi Higher order/significant bits of the channel map
225  * @param channel The logical channel number
227  * @param lr Pointer to the LEFT/RIGHT channel within the PDM controller
230 		uint32_t channel_map_hi, uint8_t channel, uint8_t *pdm, enum pdm_lr *lr)  in dmic_parse_channel_map()  argument
234 	channel_map = (channel < 8) ? channel_map_lo : channel_map_hi;  in dmic_parse_channel_map()
235 	channel_map >>= ((channel & BIT_MASK(3)) * 4U);  in dmic_parse_channel_map()
242  * Build a bit map of clock skew values for each PDM channel
244  * Returns the bit-map of clock skew value shifted to the bit position
250  * @return Bit-map containing the clock skew information
258  * Configure the DMIC driver and controller(s)
261  * channel mapping, PDM I/O configuration, PCM stream configuration, etc.
272 		(const struct _dmic_ops *)dev->api;  in dmic_configure()
274 	return api->configure(dev, cfg);  in dmic_configure()
291 		(const struct _dmic_ops *)dev->api;  in dmic_trigger()
293 	return api->trigger(dev, cmd);  in dmic_trigger()
316 		(const struct _dmic_ops *)dev->api;  in dmic_read()
318 	return api->read(dev, stream, buffer, size, timeout);  in dmic_read()