imx23_digfilt.c revision 1.1.2.2
1 1.1.2.2 skrll /* $Id: imx23_digfilt.c,v 1.1.2.2 2015/04/06 15:17:52 skrll Exp $ */ 2 1.1.2.2 skrll 3 1.1.2.2 skrll /* 4 1.1.2.2 skrll * Copyright (c) 2014 The NetBSD Foundation, Inc. 5 1.1.2.2 skrll * All rights reserved. 6 1.1.2.2 skrll * 7 1.1.2.2 skrll * This code is derived from software contributed to The NetBSD Foundation 8 1.1.2.2 skrll * by Petri Laakso. 9 1.1.2.2 skrll * 10 1.1.2.2 skrll * Redistribution and use in source and binary forms, with or without 11 1.1.2.2 skrll * modification, are permitted provided that the following conditions 12 1.1.2.2 skrll * are met: 13 1.1.2.2 skrll * 1. Redistributions of source code must retain the above copyright 14 1.1.2.2 skrll * notice, this list of conditions and the following disclaimer. 15 1.1.2.2 skrll * 2. Redistributions in binary form must reproduce the above copyright 16 1.1.2.2 skrll * notice, this list of conditions and the following disclaimer in the 17 1.1.2.2 skrll * documentation and/or other materials provided with the distribution. 18 1.1.2.2 skrll * 19 1.1.2.2 skrll * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 1.1.2.2 skrll * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 1.1.2.2 skrll * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 1.1.2.2 skrll * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 1.1.2.2 skrll * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 1.1.2.2 skrll * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 1.1.2.2 skrll * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 1.1.2.2 skrll * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 1.1.2.2 skrll * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 1.1.2.2 skrll * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 1.1.2.2 skrll * POSSIBILITY OF SUCH DAMAGE. 30 1.1.2.2 skrll */ 31 1.1.2.2 skrll 32 1.1.2.2 skrll #include <sys/param.h> 33 1.1.2.2 skrll #include <sys/cdefs.h> 34 1.1.2.2 skrll #include <sys/types.h> 35 1.1.2.2 skrll #include <sys/device.h> 36 1.1.2.2 skrll #include <sys/errno.h> 37 1.1.2.2 skrll #include <sys/systm.h> 38 1.1.2.2 skrll #include <sys/bus.h> 39 1.1.2.2 skrll #include <sys/mutex.h> 40 1.1.2.2 skrll #include <sys/audioio.h> 41 1.1.2.2 skrll #include <dev/audio_if.h> 42 1.1.2.2 skrll #include <dev/auconv.h> 43 1.1.2.2 skrll #include <sys/mallocvar.h> 44 1.1.2.2 skrll #include <arm/imx/imx23_digfiltreg.h> 45 1.1.2.2 skrll #include <arm/imx/imx23_rtcvar.h> 46 1.1.2.2 skrll #include <arm/imx/imx23_clkctrlvar.h> 47 1.1.2.2 skrll #include <arm/imx/imx23_apbdmavar.h> 48 1.1.2.2 skrll #include <arm/imx/imx23_icollreg.h> 49 1.1.2.2 skrll #include <arm/imx/imx23var.h> 50 1.1.2.2 skrll 51 1.1.2.2 skrll #include <arm/pic/picvar.h> 52 1.1.2.2 skrll 53 1.1.2.2 skrll /* Autoconf. */ 54 1.1.2.2 skrll static int digfilt_match(device_t, cfdata_t, void *); 55 1.1.2.2 skrll static void digfilt_attach(device_t, device_t, void *); 56 1.1.2.2 skrll static int digfilt_activate(device_t, enum devact); 57 1.1.2.2 skrll 58 1.1.2.2 skrll /* Audio driver interface. */ 59 1.1.2.2 skrll static int digfilt_drain(void *); 60 1.1.2.2 skrll static int digfilt_query_encoding(void *, struct audio_encoding *); 61 1.1.2.2 skrll static int digfilt_set_params(void *, int, int, audio_params_t *, 62 1.1.2.2 skrll audio_params_t *, stream_filter_list_t *, 63 1.1.2.2 skrll stream_filter_list_t *); 64 1.1.2.2 skrll static int digfilt_round_blocksize(void *, int, int, const audio_params_t *); 65 1.1.2.2 skrll static int digfilt_init_output(void *, void *, int ); 66 1.1.2.2 skrll static int digfilt_start_output(void *, void *, int, void (*)(void *), void *); 67 1.1.2.2 skrll static int digfilt_halt_output(void *); 68 1.1.2.2 skrll static int digfilt_getdev(void *, struct audio_device *); 69 1.1.2.2 skrll static int digfilt_set_port(void *, mixer_ctrl_t *); 70 1.1.2.2 skrll static int digfilt_get_port(void *, mixer_ctrl_t *); 71 1.1.2.2 skrll static int digfilt_query_devinfo(void *, mixer_devinfo_t *); 72 1.1.2.2 skrll static void *digfilt_allocm(void *, int, size_t); 73 1.1.2.2 skrll static void digfilt_freem(void *, void *, size_t); 74 1.1.2.2 skrll static size_t digfilt_round_buffersize(void *, int, size_t); 75 1.1.2.2 skrll static int digfilt_get_props(void *); 76 1.1.2.2 skrll static void digfilt_get_locks(void *, kmutex_t **, kmutex_t **); 77 1.1.2.2 skrll 78 1.1.2.2 skrll /* IRQs */ 79 1.1.2.2 skrll static int dac_error_intr(void *); 80 1.1.2.2 skrll static int dac_dma_intr(void *); 81 1.1.2.2 skrll 82 1.1.2.2 skrll struct digfilt_softc; 83 1.1.2.2 skrll 84 1.1.2.2 skrll /* Audio out. */ 85 1.1.2.2 skrll static void *digfilt_ao_alloc_dmachain(void *, size_t); 86 1.1.2.2 skrll static void digfilt_ao_apply_mutes(struct digfilt_softc *); 87 1.1.2.2 skrll static void digfilt_ao_init(struct digfilt_softc *); 88 1.1.2.2 skrll static void digfilt_ao_reset(struct digfilt_softc *); 89 1.1.2.2 skrll static void digfilt_ao_set_rate(struct digfilt_softc *, int); 90 1.1.2.2 skrll 91 1.1.2.2 skrll /* Audio in. */ 92 1.1.2.2 skrll #if 0 93 1.1.2.2 skrll static void digfilt_ai_reset(struct digfilt_softc *); 94 1.1.2.2 skrll #endif 95 1.1.2.2 skrll 96 1.1.2.2 skrll #define DIGFILT_DMA_NSEGS 1 97 1.1.2.2 skrll #define DIGFILT_BLOCKSIZE_MAX 4096 98 1.1.2.2 skrll #define DIGFILT_BLOCKSIZE_ROUND 512 99 1.1.2.2 skrll #define DIGFILT_DMA_CHAIN_LENGTH 3 100 1.1.2.2 skrll #define DIGFILT_DMA_CHANNEL 1 101 1.1.2.2 skrll #define DIGFILT_MUTE_DAC 1 102 1.1.2.2 skrll #define DIGFILT_MUTE_HP 2 103 1.1.2.2 skrll #define DIGFILT_MUTE_LINE 4 104 1.1.2.2 skrll #define DIGFILT_SOFT_RST_LOOP 455 /* At least 1 us. */ 105 1.1.2.2 skrll 106 1.1.2.2 skrll #define AO_RD(sc, reg) \ 107 1.1.2.2 skrll bus_space_read_4(sc->sc_iot, sc->sc_aohdl, (reg)) 108 1.1.2.2 skrll #define AO_WR(sc, reg, val) \ 109 1.1.2.2 skrll bus_space_write_4(sc->sc_iot, sc->sc_aohdl, (reg), (val)) 110 1.1.2.2 skrll #define AI_RD(sc, reg) \ 111 1.1.2.2 skrll bus_space_read_4(sc->sc_iot, sc->sc_aihdl, (reg)) 112 1.1.2.2 skrll #define AI_WR(sc, reg, val) \ 113 1.1.2.2 skrll bus_space_write_4(sc->sc_iot, sc->sc_aihdl, (reg), (val)) 114 1.1.2.2 skrll 115 1.1.2.2 skrll struct digfilt_softc { 116 1.1.2.2 skrll device_t sc_dev; 117 1.1.2.2 skrll device_t sc_audiodev; 118 1.1.2.2 skrll struct audio_format sc_format; 119 1.1.2.2 skrll struct audio_encoding_set *sc_encodings; 120 1.1.2.2 skrll bus_space_handle_t sc_aihdl; 121 1.1.2.2 skrll bus_space_handle_t sc_aohdl; 122 1.1.2.2 skrll apbdma_softc_t sc_dmac; 123 1.1.2.2 skrll bus_dma_tag_t sc_dmat; 124 1.1.2.2 skrll bus_dmamap_t sc_dmamp; 125 1.1.2.2 skrll bus_dmamap_t sc_c_dmamp; 126 1.1.2.2 skrll bus_dma_segment_t sc_ds[DIGFILT_DMA_NSEGS]; 127 1.1.2.2 skrll bus_dma_segment_t sc_c_ds[DIGFILT_DMA_NSEGS]; 128 1.1.2.2 skrll bus_space_handle_t sc_hdl; 129 1.1.2.2 skrll kmutex_t sc_intr_lock; 130 1.1.2.2 skrll bus_space_tag_t sc_iot; 131 1.1.2.2 skrll kmutex_t sc_lock; 132 1.1.2.2 skrll audio_params_t sc_pparam; 133 1.1.2.2 skrll void *sc_buffer; 134 1.1.2.2 skrll void *sc_dmachain; 135 1.1.2.2 skrll void *sc_intarg; 136 1.1.2.2 skrll void (*sc_intr)(void*); 137 1.1.2.2 skrll uint8_t sc_mute; 138 1.1.2.2 skrll uint8_t sc_cmd_index; 139 1.1.2.2 skrll }; 140 1.1.2.2 skrll 141 1.1.2.2 skrll CFATTACH_DECL3_NEW(digfilt, 142 1.1.2.2 skrll sizeof(struct digfilt_softc), 143 1.1.2.2 skrll digfilt_match, 144 1.1.2.2 skrll digfilt_attach, 145 1.1.2.2 skrll NULL, 146 1.1.2.2 skrll digfilt_activate, 147 1.1.2.2 skrll NULL, 148 1.1.2.2 skrll NULL, 149 1.1.2.2 skrll 0); 150 1.1.2.2 skrll 151 1.1.2.2 skrll static const struct audio_hw_if digfilt_hw_if = { 152 1.1.2.2 skrll .open = NULL, 153 1.1.2.2 skrll .close = NULL, 154 1.1.2.2 skrll .drain = digfilt_drain, 155 1.1.2.2 skrll .query_encoding = digfilt_query_encoding, 156 1.1.2.2 skrll .set_params = digfilt_set_params, 157 1.1.2.2 skrll .round_blocksize = digfilt_round_blocksize, 158 1.1.2.2 skrll .commit_settings = NULL, 159 1.1.2.2 skrll .init_output = digfilt_init_output, 160 1.1.2.2 skrll .init_input = NULL, 161 1.1.2.2 skrll .start_output = digfilt_start_output, 162 1.1.2.2 skrll .start_input = NULL, 163 1.1.2.2 skrll .halt_output = digfilt_halt_output, 164 1.1.2.2 skrll .speaker_ctl = NULL, 165 1.1.2.2 skrll .getdev = digfilt_getdev, 166 1.1.2.2 skrll .setfd = NULL, 167 1.1.2.2 skrll .set_port = digfilt_set_port, 168 1.1.2.2 skrll .get_port = digfilt_get_port, 169 1.1.2.2 skrll .query_devinfo = digfilt_query_devinfo, 170 1.1.2.2 skrll .allocm = digfilt_allocm, 171 1.1.2.2 skrll .freem = digfilt_freem, 172 1.1.2.2 skrll .round_buffersize = digfilt_round_buffersize, 173 1.1.2.2 skrll .mappage = NULL, 174 1.1.2.2 skrll .get_props = digfilt_get_props, 175 1.1.2.2 skrll .trigger_output = NULL, 176 1.1.2.2 skrll .trigger_input = NULL, 177 1.1.2.2 skrll .dev_ioctl = NULL, 178 1.1.2.2 skrll .get_locks = digfilt_get_locks 179 1.1.2.2 skrll }; 180 1.1.2.2 skrll 181 1.1.2.2 skrll enum { 182 1.1.2.2 skrll DIGFILT_OUTPUT_CLASS, 183 1.1.2.2 skrll DIGFILT_OUTPUT_DAC_VOLUME, 184 1.1.2.2 skrll DIGFILT_OUTPUT_DAC_MUTE, 185 1.1.2.2 skrll DIGFILT_OUTPUT_HP_VOLUME, 186 1.1.2.2 skrll DIGFILT_OUTPUT_HP_MUTE, 187 1.1.2.2 skrll DIGFILT_OUTPUT_LINE_VOLUME, 188 1.1.2.2 skrll DIGFILT_OUTPUT_LINE_MUTE, 189 1.1.2.2 skrll DIGFILT_ENUM_LAST 190 1.1.2.2 skrll }; 191 1.1.2.2 skrll 192 1.1.2.2 skrll static int 193 1.1.2.2 skrll digfilt_match(device_t parent, cfdata_t match, void *aux) 194 1.1.2.2 skrll { 195 1.1.2.2 skrll struct apb_attach_args *aa = aux; 196 1.1.2.2 skrll 197 1.1.2.2 skrll if (aa->aa_addr == HW_DIGFILT_BASE && aa->aa_size == HW_DIGFILT_SIZE) 198 1.1.2.2 skrll return 1; 199 1.1.2.2 skrll else 200 1.1.2.2 skrll return 0; 201 1.1.2.2 skrll } 202 1.1.2.2 skrll 203 1.1.2.2 skrll static void 204 1.1.2.2 skrll digfilt_attach(device_t parent, device_t self, void *aux) 205 1.1.2.2 skrll { 206 1.1.2.2 skrll struct apb_softc *sc_parent = device_private(parent); 207 1.1.2.2 skrll struct digfilt_softc *sc = device_private(self); 208 1.1.2.2 skrll struct apb_attach_args *aa = aux; 209 1.1.2.2 skrll static int digfilt_attached = 0; 210 1.1.2.2 skrll int error; 211 1.1.2.2 skrll uint32_t v; 212 1.1.2.2 skrll void *intr; 213 1.1.2.2 skrll 214 1.1.2.2 skrll sc->sc_dev = self; 215 1.1.2.2 skrll sc->sc_iot = aa->aa_iot; 216 1.1.2.2 skrll sc->sc_dmat = aa->aa_dmat; 217 1.1.2.2 skrll 218 1.1.2.2 skrll /* This driver requires DMA functionality from the bus. 219 1.1.2.2 skrll * Parent bus passes handle to the DMA controller instance. */ 220 1.1.2.2 skrll if (sc_parent->dmac == NULL) { 221 1.1.2.2 skrll aprint_error_dev(sc->sc_dev, "DMA functionality missing\n"); 222 1.1.2.2 skrll return; 223 1.1.2.2 skrll } 224 1.1.2.2 skrll sc->sc_dmac = device_private(sc_parent->dmac); 225 1.1.2.2 skrll 226 1.1.2.2 skrll if (aa->aa_addr == HW_DIGFILT_BASE && digfilt_attached) { 227 1.1.2.2 skrll aprint_error_dev(sc->sc_dev, "DIGFILT already attached\n"); 228 1.1.2.2 skrll return; 229 1.1.2.2 skrll } 230 1.1.2.2 skrll 231 1.1.2.2 skrll /* Allocate DMA for audio buffer. */ 232 1.1.2.2 skrll error = bus_dmamap_create(sc->sc_dmat, MAXPHYS, DIGFILT_DMA_NSEGS, 233 1.1.2.2 skrll MAXPHYS, 0, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW, &sc->sc_dmamp); 234 1.1.2.2 skrll if (error) { 235 1.1.2.2 skrll aprint_error_dev(sc->sc_dev, 236 1.1.2.2 skrll "Unable to allocate DMA handle\n"); 237 1.1.2.2 skrll return; 238 1.1.2.2 skrll } 239 1.1.2.2 skrll 240 1.1.2.2 skrll /* Allocate for DMA chain. */ 241 1.1.2.2 skrll error = bus_dmamap_create(sc->sc_dmat, MAXPHYS, DIGFILT_DMA_NSEGS, 242 1.1.2.2 skrll MAXPHYS, 0, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW, &sc->sc_c_dmamp); 243 1.1.2.2 skrll if (error) { 244 1.1.2.2 skrll aprint_error_dev(sc->sc_dev, 245 1.1.2.2 skrll "Unable to allocate DMA handle\n"); 246 1.1.2.2 skrll return; 247 1.1.2.2 skrll } 248 1.1.2.2 skrll 249 1.1.2.2 skrll /* Map DIGFILT bus space. */ 250 1.1.2.2 skrll if (bus_space_map(sc->sc_iot, HW_DIGFILT_BASE, HW_DIGFILT_SIZE, 0, 251 1.1.2.2 skrll &sc->sc_hdl)) { 252 1.1.2.2 skrll aprint_error_dev(sc->sc_dev, 253 1.1.2.2 skrll "Unable to map DIGFILT bus space\n"); 254 1.1.2.2 skrll return; 255 1.1.2.2 skrll } 256 1.1.2.2 skrll 257 1.1.2.2 skrll /* Map AUDIOOUT subregion from parent bus space. */ 258 1.1.2.2 skrll if (bus_space_subregion(sc->sc_iot, sc->sc_hdl, 259 1.1.2.2 skrll (HW_AUDIOOUT_BASE - HW_DIGFILT_BASE), HW_AUDIOOUT_SIZE, 260 1.1.2.2 skrll &sc->sc_aohdl)) { 261 1.1.2.2 skrll aprint_error_dev(sc->sc_dev, 262 1.1.2.2 skrll "Unable to submap AUDIOOUT bus space\n"); 263 1.1.2.2 skrll return; 264 1.1.2.2 skrll } 265 1.1.2.2 skrll 266 1.1.2.2 skrll /* Map AUDIOIN subregion from parent bus space. */ 267 1.1.2.2 skrll if (bus_space_subregion(sc->sc_iot, sc->sc_hdl, 268 1.1.2.2 skrll (HW_AUDIOIN_BASE - HW_DIGFILT_BASE), HW_AUDIOIN_SIZE, 269 1.1.2.2 skrll &sc->sc_aihdl)) { 270 1.1.2.2 skrll aprint_error_dev(sc->sc_dev, 271 1.1.2.2 skrll "Unable to submap AUDIOIN bus space\n"); 272 1.1.2.2 skrll return; 273 1.1.2.2 skrll } 274 1.1.2.2 skrll 275 1.1.2.2 skrll /* Enable clocks to the DIGFILT block. */ 276 1.1.2.2 skrll clkctrl_en_filtclk(); 277 1.1.2.2 skrll delay(10); 278 1.1.2.2 skrll 279 1.1.2.2 skrll digfilt_ao_reset(sc); /* Reset AUDIOOUT. */ 280 1.1.2.2 skrll /* Not yet: digfilt_ai_reset(sc); */ 281 1.1.2.2 skrll 282 1.1.2.2 skrll v = AO_RD(sc, HW_AUDIOOUT_VERSION); 283 1.1.2.2 skrll aprint_normal(": DIGFILT Block v%" __PRIuBIT ".%" __PRIuBIT 284 1.1.2.2 skrll ".%" __PRIuBIT "\n", 285 1.1.2.2 skrll __SHIFTOUT(v, HW_AUDIOOUT_VERSION_MAJOR), 286 1.1.2.2 skrll __SHIFTOUT(v, HW_AUDIOOUT_VERSION_MINOR), 287 1.1.2.2 skrll __SHIFTOUT(v, HW_AUDIOOUT_VERSION_STEP)); 288 1.1.2.2 skrll 289 1.1.2.2 skrll digfilt_ao_init(sc); 290 1.1.2.2 skrll digfilt_ao_set_rate(sc, 44100); /* Default sample rate 44.1 kHz. */ 291 1.1.2.2 skrll 292 1.1.2.2 skrll mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE); 293 1.1.2.2 skrll mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_SCHED); 294 1.1.2.2 skrll 295 1.1.2.2 skrll /* HW supported formats. */ 296 1.1.2.2 skrll sc->sc_format.mode = AUMODE_PLAY|AUMODE_RECORD; 297 1.1.2.2 skrll sc->sc_format.encoding = AUDIO_ENCODING_SLINEAR_LE; 298 1.1.2.2 skrll sc->sc_format.validbits = 16; 299 1.1.2.2 skrll sc->sc_format.precision = 16; 300 1.1.2.2 skrll sc->sc_format.channels = 2; 301 1.1.2.2 skrll sc->sc_format.channel_mask = AUFMT_STEREO; 302 1.1.2.2 skrll sc->sc_format.frequency_type = 8; 303 1.1.2.2 skrll sc->sc_format.frequency[0] = 8000; 304 1.1.2.2 skrll sc->sc_format.frequency[1] = 11025; 305 1.1.2.2 skrll sc->sc_format.frequency[2] = 12000; 306 1.1.2.2 skrll sc->sc_format.frequency[3] = 16000; 307 1.1.2.2 skrll sc->sc_format.frequency[4] = 22050; 308 1.1.2.2 skrll sc->sc_format.frequency[5] = 24000; 309 1.1.2.2 skrll sc->sc_format.frequency[6] = 32000; 310 1.1.2.2 skrll sc->sc_format.frequency[7] = 44100; 311 1.1.2.2 skrll 312 1.1.2.2 skrll if (auconv_create_encodings(&sc->sc_format, 1, &sc->sc_encodings)) { 313 1.1.2.2 skrll aprint_error_dev(self, "could not create encodings\n"); 314 1.1.2.2 skrll return; 315 1.1.2.2 skrll } 316 1.1.2.2 skrll 317 1.1.2.2 skrll sc->sc_audiodev = audio_attach_mi(&digfilt_hw_if, sc, sc->sc_dev); 318 1.1.2.2 skrll 319 1.1.2.2 skrll /* Default mutes. */ 320 1.1.2.2 skrll sc->sc_mute = DIGFILT_MUTE_LINE; 321 1.1.2.2 skrll digfilt_ao_apply_mutes(sc); 322 1.1.2.2 skrll 323 1.1.2.2 skrll /* Allocate DMA safe memory for the DMA chain. */ 324 1.1.2.2 skrll sc->sc_dmachain = digfilt_ao_alloc_dmachain(sc, 325 1.1.2.2 skrll sizeof(struct apbdma_command) * DIGFILT_DMA_CHAIN_LENGTH); 326 1.1.2.2 skrll if (sc->sc_dmachain == NULL) { 327 1.1.2.2 skrll aprint_error_dev(self, "digfilt_ao_alloc_dmachain failed\n"); 328 1.1.2.2 skrll return; 329 1.1.2.2 skrll } 330 1.1.2.2 skrll 331 1.1.2.2 skrll intr = intr_establish(IRQ_DAC_DMA, IPL_SCHED, IST_LEVEL, dac_dma_intr, 332 1.1.2.2 skrll sc); 333 1.1.2.2 skrll if (intr == NULL) { 334 1.1.2.2 skrll aprint_error_dev(sc->sc_dev, 335 1.1.2.2 skrll "Unable to establish IRQ for DAC_DMA\n"); 336 1.1.2.2 skrll return; 337 1.1.2.2 skrll } 338 1.1.2.2 skrll 339 1.1.2.2 skrll intr = intr_establish(IRQ_DAC_ERROR, IPL_SCHED, IST_LEVEL, 340 1.1.2.2 skrll dac_error_intr, sc); 341 1.1.2.2 skrll if (intr == NULL) { 342 1.1.2.2 skrll aprint_error_dev(sc->sc_dev, 343 1.1.2.2 skrll "Unable to establish IRQ for DAC_ERROR\n"); 344 1.1.2.2 skrll return; 345 1.1.2.2 skrll } 346 1.1.2.2 skrll 347 1.1.2.2 skrll /* Initialize DMA channel. */ 348 1.1.2.2 skrll apbdma_chan_init(sc->sc_dmac, DIGFILT_DMA_CHANNEL); 349 1.1.2.2 skrll 350 1.1.2.2 skrll digfilt_attached = 1; 351 1.1.2.2 skrll 352 1.1.2.2 skrll return; 353 1.1.2.2 skrll } 354 1.1.2.2 skrll 355 1.1.2.2 skrll static int 356 1.1.2.2 skrll digfilt_activate(device_t self, enum devact act) 357 1.1.2.2 skrll { 358 1.1.2.2 skrll return EOPNOTSUPP; 359 1.1.2.2 skrll } 360 1.1.2.2 skrll 361 1.1.2.2 skrll static int 362 1.1.2.2 skrll digfilt_drain(void *priv) 363 1.1.2.2 skrll { 364 1.1.2.2 skrll 365 1.1.2.2 skrll struct digfilt_softc *sc = priv; 366 1.1.2.2 skrll 367 1.1.2.2 skrll apbdma_wait(sc->sc_dmac, 1); 368 1.1.2.2 skrll sc->sc_cmd_index = 0; 369 1.1.2.2 skrll 370 1.1.2.2 skrll return 0; 371 1.1.2.2 skrll } 372 1.1.2.2 skrll 373 1.1.2.2 skrll static int 374 1.1.2.2 skrll digfilt_query_encoding(void *priv, struct audio_encoding *ae) 375 1.1.2.2 skrll { 376 1.1.2.2 skrll struct digfilt_softc *sc = priv; 377 1.1.2.2 skrll return auconv_query_encoding(sc->sc_encodings, ae); 378 1.1.2.2 skrll } 379 1.1.2.2 skrll 380 1.1.2.2 skrll static int 381 1.1.2.2 skrll digfilt_set_params(void *priv, int setmode, int usemode, 382 1.1.2.2 skrll audio_params_t *play, audio_params_t *rec, 383 1.1.2.2 skrll stream_filter_list_t *pfil, stream_filter_list_t *rfil) 384 1.1.2.2 skrll { 385 1.1.2.2 skrll struct digfilt_softc *sc = priv; 386 1.1.2.2 skrll int index; 387 1.1.2.2 skrll 388 1.1.2.2 skrll if (play && (setmode & AUMODE_PLAY)) { 389 1.1.2.2 skrll index = auconv_set_converter(&sc->sc_format, 1, 390 1.1.2.2 skrll AUMODE_PLAY, play, true, pfil); 391 1.1.2.2 skrll if (index < 0) 392 1.1.2.2 skrll return EINVAL; 393 1.1.2.2 skrll sc->sc_pparam = pfil->req_size > 0 ? 394 1.1.2.2 skrll pfil->filters[0].param : 395 1.1.2.2 skrll *play; 396 1.1.2.2 skrll 397 1.1.2.2 skrll /* At this point bitrate should be figured out. */ 398 1.1.2.2 skrll digfilt_ao_set_rate(sc, sc->sc_pparam.sample_rate); 399 1.1.2.2 skrll } 400 1.1.2.2 skrll 401 1.1.2.2 skrll return 0; 402 1.1.2.2 skrll } 403 1.1.2.2 skrll 404 1.1.2.2 skrll static int 405 1.1.2.2 skrll digfilt_round_blocksize(void *priv, int bs, int mode, 406 1.1.2.2 skrll const audio_params_t *param) 407 1.1.2.2 skrll { 408 1.1.2.2 skrll int blocksize; 409 1.1.2.2 skrll 410 1.1.2.2 skrll if (bs > DIGFILT_BLOCKSIZE_MAX) 411 1.1.2.2 skrll blocksize = DIGFILT_BLOCKSIZE_MAX; 412 1.1.2.2 skrll else 413 1.1.2.2 skrll blocksize = bs & ~(DIGFILT_BLOCKSIZE_ROUND-1); 414 1.1.2.2 skrll 415 1.1.2.2 skrll return blocksize; 416 1.1.2.2 skrll } 417 1.1.2.2 skrll 418 1.1.2.2 skrll static int 419 1.1.2.2 skrll digfilt_init_output(void *priv, void *buffer, int size) 420 1.1.2.2 skrll { 421 1.1.2.2 skrll struct digfilt_softc *sc = priv; 422 1.1.2.2 skrll apbdma_command_t dma_cmd; 423 1.1.2.2 skrll int i; 424 1.1.2.2 skrll dma_cmd = sc->sc_dmachain; 425 1.1.2.2 skrll sc->sc_cmd_index = 0; 426 1.1.2.2 skrll 427 1.1.2.2 skrll /* 428 1.1.2.2 skrll * Build circular DMA command chain template for later use. 429 1.1.2.2 skrll */ 430 1.1.2.2 skrll for (i = 0; i < DIGFILT_DMA_CHAIN_LENGTH; i++) { 431 1.1.2.2 skrll /* Last entry loops back to first. */ 432 1.1.2.2 skrll if (i == DIGFILT_DMA_CHAIN_LENGTH - 1) 433 1.1.2.2 skrll dma_cmd[i].next = (void *)(sc->sc_c_dmamp->dm_segs[0].ds_addr); 434 1.1.2.2 skrll else 435 1.1.2.2 skrll dma_cmd[i].next = (void *)(sc->sc_c_dmamp->dm_segs[0].ds_addr + (sizeof(struct apbdma_command) * (1 + i))); 436 1.1.2.2 skrll 437 1.1.2.2 skrll dma_cmd[i].control = __SHIFTIN(DIGFILT_BLOCKSIZE_MAX, APBDMA_CMD_XFER_COUNT) | 438 1.1.2.2 skrll __SHIFTIN(1, APBDMA_CMD_CMDPIOWORDS) | 439 1.1.2.2 skrll APBDMA_CMD_SEMAPHORE | 440 1.1.2.2 skrll APBDMA_CMD_IRQONCMPLT | 441 1.1.2.2 skrll APBDMA_CMD_CHAIN | 442 1.1.2.2 skrll __SHIFTIN(APBDMA_CMD_DMA_READ, APBDMA_CMD_COMMAND); 443 1.1.2.2 skrll 444 1.1.2.2 skrll dma_cmd[i].buffer = (void *)(sc->sc_c_dmamp->dm_segs[0].ds_addr); 445 1.1.2.2 skrll 446 1.1.2.2 skrll dma_cmd[i].pio_words[0] = HW_AUDIOOUT_CTRL_WORD_LENGTH | 447 1.1.2.2 skrll HW_AUDIOOUT_CTRL_FIFO_ERROR_IRQ_EN | 448 1.1.2.2 skrll HW_AUDIOOUT_CTRL_RUN; 449 1.1.2.2 skrll 450 1.1.2.2 skrll } 451 1.1.2.2 skrll 452 1.1.2.2 skrll apbdma_chan_set_chain(sc->sc_dmac, DIGFILT_DMA_CHANNEL, sc->sc_c_dmamp); 453 1.1.2.2 skrll 454 1.1.2.2 skrll return 0; 455 1.1.2.2 skrll } 456 1.1.2.2 skrll 457 1.1.2.2 skrll static int 458 1.1.2.2 skrll digfilt_start_output(void *priv, void *start, int bs, void (*intr)(void*), void *intarg) 459 1.1.2.2 skrll { 460 1.1.2.2 skrll struct digfilt_softc *sc = priv; 461 1.1.2.2 skrll apbdma_command_t dma_cmd; 462 1.1.2.2 skrll bus_addr_t offset; 463 1.1.2.2 skrll 464 1.1.2.2 skrll sc->sc_intr = intr; 465 1.1.2.2 skrll sc->sc_intarg = intarg; 466 1.1.2.2 skrll dma_cmd = sc->sc_dmachain; 467 1.1.2.2 skrll 468 1.1.2.2 skrll offset = (bus_addr_t)start - (bus_addr_t)sc->sc_buffer; 469 1.1.2.2 skrll 470 1.1.2.2 skrll dma_cmd[sc->sc_cmd_index].buffer = 471 1.1.2.2 skrll (void *)((bus_addr_t)sc->sc_dmamp->dm_segs[0].ds_addr + offset); 472 1.1.2.2 skrll 473 1.1.2.2 skrll bus_dmamap_sync(sc->sc_dmat, sc->sc_dmamp, offset, bs, BUS_DMASYNC_PREWRITE); 474 1.1.2.2 skrll bus_dmamap_sync(sc->sc_dmat, sc->sc_c_dmamp, 475 1.1.2.2 skrll sizeof(struct apbdma_command) * sc->sc_cmd_index, sizeof(struct apbdma_command), BUS_DMASYNC_PREWRITE); 476 1.1.2.2 skrll 477 1.1.2.2 skrll sc->sc_cmd_index++; 478 1.1.2.2 skrll if (sc->sc_cmd_index > DIGFILT_DMA_CHAIN_LENGTH - 1) 479 1.1.2.2 skrll sc->sc_cmd_index = 0; 480 1.1.2.2 skrll 481 1.1.2.2 skrll apbdma_run(sc->sc_dmac, DIGFILT_DMA_CHANNEL); 482 1.1.2.2 skrll 483 1.1.2.2 skrll return 0; 484 1.1.2.2 skrll } 485 1.1.2.2 skrll 486 1.1.2.2 skrll static int 487 1.1.2.2 skrll digfilt_halt_output(void *priv) 488 1.1.2.2 skrll { 489 1.1.2.2 skrll return 0; 490 1.1.2.2 skrll } 491 1.1.2.2 skrll 492 1.1.2.2 skrll static int 493 1.1.2.2 skrll digfilt_getdev(void *priv, struct audio_device *ad) 494 1.1.2.2 skrll { 495 1.1.2.2 skrll struct digfilt_softc *sc = priv; 496 1.1.2.2 skrll 497 1.1.2.2 skrll strncpy(ad->name, device_xname(sc->sc_dev), MAX_AUDIO_DEV_LEN); 498 1.1.2.2 skrll strncpy(ad->version, "", MAX_AUDIO_DEV_LEN); 499 1.1.2.2 skrll strncpy(ad->config, "", MAX_AUDIO_DEV_LEN); 500 1.1.2.2 skrll 501 1.1.2.2 skrll return 0; 502 1.1.2.2 skrll } 503 1.1.2.2 skrll 504 1.1.2.2 skrll static int 505 1.1.2.2 skrll digfilt_set_port(void *priv, mixer_ctrl_t *mc) 506 1.1.2.2 skrll { 507 1.1.2.2 skrll struct digfilt_softc *sc = priv; 508 1.1.2.2 skrll uint32_t val; 509 1.1.2.2 skrll uint8_t nvol; 510 1.1.2.2 skrll 511 1.1.2.2 skrll switch (mc->dev) { 512 1.1.2.2 skrll case DIGFILT_OUTPUT_DAC_VOLUME: 513 1.1.2.2 skrll val = AO_RD(sc, HW_AUDIOOUT_DACVOLUME); 514 1.1.2.2 skrll val &= ~(HW_AUDIOOUT_DACVOLUME_VOLUME_LEFT | 515 1.1.2.2 skrll HW_AUDIOOUT_DACVOLUME_VOLUME_RIGHT); 516 1.1.2.2 skrll 517 1.1.2.2 skrll /* DAC volume field is 8 bits. */ 518 1.1.2.2 skrll nvol = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT]; 519 1.1.2.2 skrll if (nvol > 0xff) 520 1.1.2.2 skrll nvol = 0xff; 521 1.1.2.2 skrll 522 1.1.2.2 skrll val |= __SHIFTIN(nvol, HW_AUDIOOUT_DACVOLUME_VOLUME_LEFT); 523 1.1.2.2 skrll 524 1.1.2.2 skrll nvol = mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]; 525 1.1.2.2 skrll if (nvol > 0xff) 526 1.1.2.2 skrll nvol = 0xff; 527 1.1.2.2 skrll 528 1.1.2.2 skrll val |= __SHIFTIN(nvol, HW_AUDIOOUT_DACVOLUME_VOLUME_RIGHT); 529 1.1.2.2 skrll 530 1.1.2.2 skrll AO_WR(sc, HW_AUDIOOUT_DACVOLUME, val); 531 1.1.2.2 skrll 532 1.1.2.2 skrll return 0; 533 1.1.2.2 skrll 534 1.1.2.2 skrll case DIGFILT_OUTPUT_HP_VOLUME: 535 1.1.2.2 skrll val = AO_RD(sc, HW_AUDIOOUT_HPVOL); 536 1.1.2.2 skrll val &= ~(HW_AUDIOOUT_HPVOL_VOL_LEFT | 537 1.1.2.2 skrll HW_AUDIOOUT_HPVOL_VOL_RIGHT); 538 1.1.2.2 skrll 539 1.1.2.2 skrll /* HP volume field is 7 bits. */ 540 1.1.2.2 skrll nvol = mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT]; 541 1.1.2.2 skrll if (nvol > 0x7f) 542 1.1.2.2 skrll nvol = 0x7f; 543 1.1.2.2 skrll 544 1.1.2.2 skrll nvol = ~nvol; 545 1.1.2.2 skrll val |= __SHIFTIN(nvol, HW_AUDIOOUT_HPVOL_VOL_LEFT); 546 1.1.2.2 skrll 547 1.1.2.2 skrll nvol = mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]; 548 1.1.2.2 skrll if (nvol > 0x7f) 549 1.1.2.2 skrll nvol = 0x7f; 550 1.1.2.2 skrll 551 1.1.2.2 skrll nvol = ~nvol; 552 1.1.2.2 skrll val |= __SHIFTIN(nvol, HW_AUDIOOUT_HPVOL_VOL_RIGHT); 553 1.1.2.2 skrll 554 1.1.2.2 skrll AO_WR(sc, HW_AUDIOOUT_HPVOL, val); 555 1.1.2.2 skrll 556 1.1.2.2 skrll return 0; 557 1.1.2.2 skrll 558 1.1.2.2 skrll case DIGFILT_OUTPUT_LINE_VOLUME: 559 1.1.2.2 skrll return 1; 560 1.1.2.2 skrll 561 1.1.2.2 skrll case DIGFILT_OUTPUT_DAC_MUTE: 562 1.1.2.2 skrll if (mc->un.ord) 563 1.1.2.2 skrll sc->sc_mute |= DIGFILT_MUTE_DAC; 564 1.1.2.2 skrll else 565 1.1.2.2 skrll sc->sc_mute &= ~DIGFILT_MUTE_DAC; 566 1.1.2.2 skrll 567 1.1.2.2 skrll digfilt_ao_apply_mutes(sc); 568 1.1.2.2 skrll 569 1.1.2.2 skrll return 0; 570 1.1.2.2 skrll 571 1.1.2.2 skrll case DIGFILT_OUTPUT_HP_MUTE: 572 1.1.2.2 skrll if (mc->un.ord) 573 1.1.2.2 skrll sc->sc_mute |= DIGFILT_MUTE_HP; 574 1.1.2.2 skrll else 575 1.1.2.2 skrll sc->sc_mute &= ~DIGFILT_MUTE_HP; 576 1.1.2.2 skrll 577 1.1.2.2 skrll digfilt_ao_apply_mutes(sc); 578 1.1.2.2 skrll 579 1.1.2.2 skrll return 0; 580 1.1.2.2 skrll 581 1.1.2.2 skrll case DIGFILT_OUTPUT_LINE_MUTE: 582 1.1.2.2 skrll if (mc->un.ord) 583 1.1.2.2 skrll sc->sc_mute |= DIGFILT_MUTE_LINE; 584 1.1.2.2 skrll else 585 1.1.2.2 skrll sc->sc_mute &= ~DIGFILT_MUTE_LINE; 586 1.1.2.2 skrll 587 1.1.2.2 skrll digfilt_ao_apply_mutes(sc); 588 1.1.2.2 skrll 589 1.1.2.2 skrll return 0; 590 1.1.2.2 skrll } 591 1.1.2.2 skrll 592 1.1.2.2 skrll return ENXIO; 593 1.1.2.2 skrll } 594 1.1.2.2 skrll 595 1.1.2.2 skrll static int 596 1.1.2.2 skrll digfilt_get_port(void *priv, mixer_ctrl_t *mc) 597 1.1.2.2 skrll { 598 1.1.2.2 skrll struct digfilt_softc *sc = priv; 599 1.1.2.2 skrll uint32_t val; 600 1.1.2.2 skrll uint8_t nvol; 601 1.1.2.2 skrll 602 1.1.2.2 skrll switch (mc->dev) { 603 1.1.2.2 skrll case DIGFILT_OUTPUT_DAC_VOLUME: 604 1.1.2.2 skrll val = AO_RD(sc, HW_AUDIOOUT_DACVOLUME); 605 1.1.2.2 skrll 606 1.1.2.2 skrll nvol = __SHIFTOUT(val, HW_AUDIOOUT_DACVOLUME_VOLUME_LEFT); 607 1.1.2.2 skrll mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = nvol; 608 1.1.2.2 skrll 609 1.1.2.2 skrll nvol = __SHIFTOUT(val, HW_AUDIOOUT_DACVOLUME_VOLUME_RIGHT); 610 1.1.2.2 skrll mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = nvol; 611 1.1.2.2 skrll 612 1.1.2.2 skrll return 0; 613 1.1.2.2 skrll 614 1.1.2.2 skrll case DIGFILT_OUTPUT_HP_VOLUME: 615 1.1.2.2 skrll val = AO_RD(sc, HW_AUDIOOUT_HPVOL); 616 1.1.2.2 skrll 617 1.1.2.2 skrll nvol = __SHIFTOUT(val, HW_AUDIOOUT_HPVOL_VOL_LEFT); 618 1.1.2.2 skrll mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = ~nvol & 0x7f; 619 1.1.2.2 skrll 620 1.1.2.2 skrll nvol = __SHIFTOUT(val, HW_AUDIOOUT_HPVOL_VOL_RIGHT); 621 1.1.2.2 skrll mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = ~nvol & 0x7f; 622 1.1.2.2 skrll 623 1.1.2.2 skrll return 0; 624 1.1.2.2 skrll 625 1.1.2.2 skrll case DIGFILT_OUTPUT_LINE_VOLUME: 626 1.1.2.2 skrll mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 255; 627 1.1.2.2 skrll mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 255; 628 1.1.2.2 skrll 629 1.1.2.2 skrll return 0; 630 1.1.2.2 skrll 631 1.1.2.2 skrll case DIGFILT_OUTPUT_DAC_MUTE: 632 1.1.2.2 skrll val = AO_RD(sc, HW_AUDIOOUT_DACVOLUME); 633 1.1.2.2 skrll 634 1.1.2.2 skrll mc->un.ord = (val & (HW_AUDIOOUT_DACVOLUME_MUTE_LEFT | 635 1.1.2.2 skrll HW_AUDIOOUT_DACVOLUME_MUTE_RIGHT)) ? 1 : 0; 636 1.1.2.2 skrll 637 1.1.2.2 skrll return 0; 638 1.1.2.2 skrll 639 1.1.2.2 skrll case DIGFILT_OUTPUT_HP_MUTE: 640 1.1.2.2 skrll val = AO_RD(sc, HW_AUDIOOUT_HPVOL); 641 1.1.2.2 skrll 642 1.1.2.2 skrll mc->un.ord = (val & HW_AUDIOOUT_HPVOL_MUTE) ? 1 : 0; 643 1.1.2.2 skrll 644 1.1.2.2 skrll return 0; 645 1.1.2.2 skrll 646 1.1.2.2 skrll case DIGFILT_OUTPUT_LINE_MUTE: 647 1.1.2.2 skrll val = AO_RD(sc, HW_AUDIOOUT_SPEAKERCTRL); 648 1.1.2.2 skrll 649 1.1.2.2 skrll mc->un.ord = (val & HW_AUDIOOUT_SPEAKERCTRL_MUTE) ? 1 : 0; 650 1.1.2.2 skrll 651 1.1.2.2 skrll return 0; 652 1.1.2.2 skrll } 653 1.1.2.2 skrll 654 1.1.2.2 skrll return ENXIO; 655 1.1.2.2 skrll } 656 1.1.2.2 skrll 657 1.1.2.2 skrll static int 658 1.1.2.2 skrll digfilt_query_devinfo(void *priv, mixer_devinfo_t *di) 659 1.1.2.2 skrll { 660 1.1.2.2 skrll 661 1.1.2.2 skrll switch (di->index) { 662 1.1.2.2 skrll case DIGFILT_OUTPUT_CLASS: 663 1.1.2.2 skrll di->mixer_class = DIGFILT_OUTPUT_CLASS; 664 1.1.2.2 skrll strcpy(di->label.name, AudioCoutputs); 665 1.1.2.2 skrll di->type = AUDIO_MIXER_CLASS; 666 1.1.2.2 skrll di->next = di->prev = AUDIO_MIXER_LAST; 667 1.1.2.2 skrll return 0; 668 1.1.2.2 skrll 669 1.1.2.2 skrll case DIGFILT_OUTPUT_DAC_VOLUME: 670 1.1.2.2 skrll di->mixer_class = DIGFILT_OUTPUT_CLASS; 671 1.1.2.2 skrll strcpy(di->label.name, AudioNdac); 672 1.1.2.2 skrll di->type = AUDIO_MIXER_VALUE; 673 1.1.2.2 skrll di->prev = AUDIO_MIXER_LAST; 674 1.1.2.2 skrll di->next = DIGFILT_OUTPUT_DAC_MUTE; 675 1.1.2.2 skrll di->un.v.num_channels = 2; 676 1.1.2.2 skrll strcpy(di->un.v.units.name, AudioNvolume); 677 1.1.2.2 skrll return 0; 678 1.1.2.2 skrll 679 1.1.2.2 skrll case DIGFILT_OUTPUT_DAC_MUTE: 680 1.1.2.2 skrll di->mixer_class = DIGFILT_OUTPUT_CLASS; 681 1.1.2.2 skrll di->type = AUDIO_MIXER_ENUM; 682 1.1.2.2 skrll di->prev = DIGFILT_OUTPUT_DAC_VOLUME; 683 1.1.2.2 skrll di->next = AUDIO_MIXER_LAST; 684 1.1.2.2 skrll mute: 685 1.1.2.2 skrll strlcpy(di->label.name, AudioNmute, sizeof(di->label.name)); 686 1.1.2.2 skrll di->un.e.num_mem = 2; 687 1.1.2.2 skrll strlcpy(di->un.e.member[0].label.name, AudioNon, 688 1.1.2.2 skrll sizeof(di->un.e.member[0].label.name)); 689 1.1.2.2 skrll di->un.e.member[0].ord = 1; 690 1.1.2.2 skrll strlcpy(di->un.e.member[1].label.name, AudioNoff, 691 1.1.2.2 skrll sizeof(di->un.e.member[1].label.name)); 692 1.1.2.2 skrll di->un.e.member[1].ord = 0; 693 1.1.2.2 skrll return 0; 694 1.1.2.2 skrll 695 1.1.2.2 skrll case DIGFILT_OUTPUT_HP_VOLUME: 696 1.1.2.2 skrll di->mixer_class = DIGFILT_OUTPUT_CLASS; 697 1.1.2.2 skrll strcpy(di->label.name, AudioNheadphone); 698 1.1.2.2 skrll di->type = AUDIO_MIXER_VALUE; 699 1.1.2.2 skrll di->prev = AUDIO_MIXER_LAST; 700 1.1.2.2 skrll di->next = DIGFILT_OUTPUT_HP_MUTE; 701 1.1.2.2 skrll di->un.v.num_channels = 2; 702 1.1.2.2 skrll strcpy(di->un.v.units.name, AudioNvolume); 703 1.1.2.2 skrll return 0; 704 1.1.2.2 skrll 705 1.1.2.2 skrll case DIGFILT_OUTPUT_HP_MUTE: 706 1.1.2.2 skrll di->mixer_class = DIGFILT_OUTPUT_CLASS; 707 1.1.2.2 skrll di->type = AUDIO_MIXER_ENUM; 708 1.1.2.2 skrll di->prev = DIGFILT_OUTPUT_HP_VOLUME; 709 1.1.2.2 skrll di->next = AUDIO_MIXER_LAST; 710 1.1.2.2 skrll goto mute; 711 1.1.2.2 skrll 712 1.1.2.2 skrll case DIGFILT_OUTPUT_LINE_VOLUME: 713 1.1.2.2 skrll di->mixer_class = DIGFILT_OUTPUT_CLASS; 714 1.1.2.2 skrll strcpy(di->label.name, AudioNline); 715 1.1.2.2 skrll di->type = AUDIO_MIXER_VALUE; 716 1.1.2.2 skrll di->prev = AUDIO_MIXER_LAST; 717 1.1.2.2 skrll di->next = DIGFILT_OUTPUT_LINE_MUTE; 718 1.1.2.2 skrll di->un.v.num_channels = 2; 719 1.1.2.2 skrll strcpy(di->un.v.units.name, AudioNvolume); 720 1.1.2.2 skrll return 0; 721 1.1.2.2 skrll 722 1.1.2.2 skrll case DIGFILT_OUTPUT_LINE_MUTE: 723 1.1.2.2 skrll di->mixer_class = DIGFILT_OUTPUT_CLASS; 724 1.1.2.2 skrll di->type = AUDIO_MIXER_ENUM; 725 1.1.2.2 skrll di->prev = DIGFILT_OUTPUT_LINE_VOLUME; 726 1.1.2.2 skrll di->next = AUDIO_MIXER_LAST; 727 1.1.2.2 skrll goto mute; 728 1.1.2.2 skrll } 729 1.1.2.2 skrll 730 1.1.2.2 skrll return ENXIO; 731 1.1.2.2 skrll } 732 1.1.2.2 skrll 733 1.1.2.2 skrll static void * 734 1.1.2.2 skrll digfilt_allocm(void *priv, int direction, size_t size) 735 1.1.2.2 skrll { 736 1.1.2.2 skrll struct digfilt_softc *sc = priv; 737 1.1.2.2 skrll int rsegs; 738 1.1.2.2 skrll int error; 739 1.1.2.2 skrll 740 1.1.2.2 skrll sc->sc_buffer = NULL; 741 1.1.2.2 skrll 742 1.1.2.2 skrll /* 743 1.1.2.2 skrll * AUMODE_PLAY is DMA from memory to device. 744 1.1.2.2 skrll */ 745 1.1.2.2 skrll if (direction != AUMODE_PLAY) 746 1.1.2.2 skrll return NULL; 747 1.1.2.2 skrll 748 1.1.2.2 skrll error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &sc->sc_ds[0], DIGFILT_DMA_NSEGS, &rsegs, BUS_DMA_NOWAIT); 749 1.1.2.2 skrll if (error) { 750 1.1.2.2 skrll aprint_error_dev(sc->sc_dev, 751 1.1.2.2 skrll "bus_dmamem_alloc: %d\n", error); 752 1.1.2.2 skrll goto out; 753 1.1.2.2 skrll } 754 1.1.2.2 skrll 755 1.1.2.2 skrll error = bus_dmamem_map(sc->sc_dmat, sc->sc_ds, DIGFILT_DMA_NSEGS, size, &sc->sc_buffer, BUS_DMA_NOWAIT); 756 1.1.2.2 skrll if (error) { 757 1.1.2.2 skrll aprint_error_dev(sc->sc_dev, "bus_dmamem_map: %d\n", error); 758 1.1.2.2 skrll goto dmamem_free; 759 1.1.2.2 skrll } 760 1.1.2.2 skrll 761 1.1.2.2 skrll /* After load sc_dmamp is valid. */ 762 1.1.2.2 skrll error = bus_dmamap_load(sc->sc_dmat, sc->sc_dmamp, sc->sc_buffer, size, NULL, BUS_DMA_NOWAIT|BUS_DMA_WRITE); 763 1.1.2.2 skrll if (error) { 764 1.1.2.2 skrll aprint_error_dev(sc->sc_dev, "bus_dmamap_load: %d\n", error); 765 1.1.2.2 skrll goto dmamem_unmap; 766 1.1.2.2 skrll } 767 1.1.2.2 skrll 768 1.1.2.2 skrll memset(sc->sc_buffer, 0x00, size); 769 1.1.2.2 skrll 770 1.1.2.2 skrll return sc->sc_buffer; 771 1.1.2.2 skrll 772 1.1.2.2 skrll dmamem_unmap: 773 1.1.2.2 skrll bus_dmamem_unmap(sc->sc_dmat, sc->sc_buffer, size); 774 1.1.2.2 skrll dmamem_free: 775 1.1.2.2 skrll bus_dmamem_free(sc->sc_dmat, sc->sc_ds, DIGFILT_DMA_NSEGS); 776 1.1.2.2 skrll out: 777 1.1.2.2 skrll return NULL; 778 1.1.2.2 skrll } 779 1.1.2.2 skrll 780 1.1.2.2 skrll static void 781 1.1.2.2 skrll digfilt_freem(void *priv, void *kvap, size_t size) 782 1.1.2.2 skrll { 783 1.1.2.2 skrll struct digfilt_softc *sc = priv; 784 1.1.2.2 skrll 785 1.1.2.2 skrll bus_dmamem_unmap(sc->sc_dmat, kvap, size); 786 1.1.2.2 skrll bus_dmamem_free(sc->sc_dmat, sc->sc_ds, DIGFILT_DMA_NSEGS); 787 1.1.2.2 skrll 788 1.1.2.2 skrll return; 789 1.1.2.2 skrll } 790 1.1.2.2 skrll 791 1.1.2.2 skrll static size_t 792 1.1.2.2 skrll digfilt_round_buffersize(void *hdl, int direction, size_t bs) 793 1.1.2.2 skrll { 794 1.1.2.2 skrll int bufsize; 795 1.1.2.2 skrll 796 1.1.2.2 skrll bufsize = bs & ~(DIGFILT_BLOCKSIZE_MAX-1); 797 1.1.2.2 skrll 798 1.1.2.2 skrll return bufsize; 799 1.1.2.2 skrll } 800 1.1.2.2 skrll 801 1.1.2.2 skrll static int 802 1.1.2.2 skrll digfilt_get_props(void *sc) 803 1.1.2.2 skrll { 804 1.1.2.2 skrll return (AUDIO_PROP_PLAYBACK | AUDIO_PROP_INDEPENDENT); 805 1.1.2.2 skrll } 806 1.1.2.2 skrll 807 1.1.2.2 skrll static void 808 1.1.2.2 skrll digfilt_get_locks(void *priv, kmutex_t **intr, kmutex_t **thread) 809 1.1.2.2 skrll { 810 1.1.2.2 skrll struct digfilt_softc *sc = priv; 811 1.1.2.2 skrll 812 1.1.2.2 skrll *intr = &sc->sc_intr_lock; 813 1.1.2.2 skrll *thread = &sc->sc_lock; 814 1.1.2.2 skrll 815 1.1.2.2 skrll return; 816 1.1.2.2 skrll } 817 1.1.2.2 skrll 818 1.1.2.2 skrll /* 819 1.1.2.2 skrll * IRQ for DAC error. 820 1.1.2.2 skrll */ 821 1.1.2.2 skrll static int 822 1.1.2.2 skrll dac_error_intr(void *arg) 823 1.1.2.2 skrll { 824 1.1.2.2 skrll struct digfilt_softc *sc = arg; 825 1.1.2.2 skrll AO_WR(sc, HW_AUDIOOUT_CTRL_CLR, HW_AUDIOOUT_CTRL_FIFO_UNDERFLOW_IRQ); 826 1.1.2.2 skrll return 1; 827 1.1.2.2 skrll } 828 1.1.2.2 skrll 829 1.1.2.2 skrll /* 830 1.1.2.2 skrll * IRQ from DMA. 831 1.1.2.2 skrll */ 832 1.1.2.2 skrll static int 833 1.1.2.2 skrll dac_dma_intr(void *arg) 834 1.1.2.2 skrll { 835 1.1.2.2 skrll struct digfilt_softc *sc = arg; 836 1.1.2.2 skrll 837 1.1.2.2 skrll unsigned int dma_err; 838 1.1.2.2 skrll 839 1.1.2.2 skrll mutex_enter(&sc->sc_intr_lock); 840 1.1.2.2 skrll 841 1.1.2.2 skrll dma_err = apbdma_intr_status(sc->sc_dmac, DIGFILT_DMA_CHANNEL); 842 1.1.2.2 skrll 843 1.1.2.2 skrll if (dma_err) { 844 1.1.2.2 skrll apbdma_ack_error_intr(sc->sc_dmac, DIGFILT_DMA_CHANNEL); 845 1.1.2.2 skrll } 846 1.1.2.2 skrll 847 1.1.2.2 skrll sc->sc_intr(sc->sc_intarg); 848 1.1.2.2 skrll apbdma_ack_intr(sc->sc_dmac, DIGFILT_DMA_CHANNEL); 849 1.1.2.2 skrll 850 1.1.2.2 skrll mutex_exit(&sc->sc_intr_lock); 851 1.1.2.2 skrll 852 1.1.2.2 skrll /* Return 1 to acknowledge IRQ. */ 853 1.1.2.2 skrll return 1; 854 1.1.2.2 skrll } 855 1.1.2.2 skrll 856 1.1.2.2 skrll static void * 857 1.1.2.2 skrll digfilt_ao_alloc_dmachain(void *priv, size_t size) 858 1.1.2.2 skrll { 859 1.1.2.2 skrll struct digfilt_softc *sc = priv; 860 1.1.2.2 skrll int rsegs; 861 1.1.2.2 skrll int error; 862 1.1.2.2 skrll void *kvap; 863 1.1.2.2 skrll 864 1.1.2.2 skrll kvap = NULL; 865 1.1.2.2 skrll 866 1.1.2.2 skrll error = bus_dmamem_alloc(sc->sc_dmat, size, PAGE_SIZE, 0, &sc->sc_c_ds[0], DIGFILT_DMA_NSEGS, &rsegs, BUS_DMA_NOWAIT); 867 1.1.2.2 skrll if (error) { 868 1.1.2.2 skrll aprint_error_dev(sc->sc_dev, 869 1.1.2.2 skrll "bus_dmamem_alloc: %d\n", error); 870 1.1.2.2 skrll goto out; 871 1.1.2.2 skrll } 872 1.1.2.2 skrll 873 1.1.2.2 skrll error = bus_dmamem_map(sc->sc_dmat, sc->sc_c_ds, DIGFILT_DMA_NSEGS, size, &kvap, BUS_DMA_NOWAIT); 874 1.1.2.2 skrll if (error) { 875 1.1.2.2 skrll aprint_error_dev(sc->sc_dev, "bus_dmamem_map: %d\n", error); 876 1.1.2.2 skrll goto dmamem_free; 877 1.1.2.2 skrll } 878 1.1.2.2 skrll 879 1.1.2.2 skrll /* After load sc_c_dmamp is valid. */ 880 1.1.2.2 skrll error = bus_dmamap_load(sc->sc_dmat, sc->sc_c_dmamp, kvap, size, NULL, BUS_DMA_NOWAIT|BUS_DMA_WRITE); 881 1.1.2.2 skrll if (error) { 882 1.1.2.2 skrll aprint_error_dev(sc->sc_dev, "bus_dmamap_load: %d\n", error); 883 1.1.2.2 skrll goto dmamem_unmap; 884 1.1.2.2 skrll } 885 1.1.2.2 skrll 886 1.1.2.2 skrll memset(kvap, 0x00, size); 887 1.1.2.2 skrll 888 1.1.2.2 skrll return kvap; 889 1.1.2.2 skrll 890 1.1.2.2 skrll dmamem_unmap: 891 1.1.2.2 skrll bus_dmamem_unmap(sc->sc_dmat, kvap, size); 892 1.1.2.2 skrll dmamem_free: 893 1.1.2.2 skrll bus_dmamem_free(sc->sc_dmat, sc->sc_c_ds, DIGFILT_DMA_NSEGS); 894 1.1.2.2 skrll out: 895 1.1.2.2 skrll 896 1.1.2.2 skrll return kvap; 897 1.1.2.2 skrll } 898 1.1.2.2 skrll 899 1.1.2.2 skrll static void 900 1.1.2.2 skrll digfilt_ao_apply_mutes(struct digfilt_softc *sc) 901 1.1.2.2 skrll { 902 1.1.2.2 skrll 903 1.1.2.2 skrll /* DAC. */ 904 1.1.2.2 skrll if (sc->sc_mute & DIGFILT_MUTE_DAC) { 905 1.1.2.2 skrll AO_WR(sc, HW_AUDIOOUT_DACVOLUME_SET, 906 1.1.2.2 skrll HW_AUDIOOUT_DACVOLUME_MUTE_LEFT | 907 1.1.2.2 skrll HW_AUDIOOUT_DACVOLUME_MUTE_RIGHT 908 1.1.2.2 skrll ); 909 1.1.2.2 skrll 910 1.1.2.2 skrll } else { 911 1.1.2.2 skrll AO_WR(sc, HW_AUDIOOUT_DACVOLUME_CLR, 912 1.1.2.2 skrll HW_AUDIOOUT_DACVOLUME_MUTE_LEFT | 913 1.1.2.2 skrll HW_AUDIOOUT_DACVOLUME_MUTE_RIGHT 914 1.1.2.2 skrll ); 915 1.1.2.2 skrll } 916 1.1.2.2 skrll 917 1.1.2.2 skrll /* HP. */ 918 1.1.2.2 skrll if (sc->sc_mute & DIGFILT_MUTE_HP) 919 1.1.2.2 skrll AO_WR(sc, HW_AUDIOOUT_HPVOL_SET, HW_AUDIOOUT_HPVOL_MUTE); 920 1.1.2.2 skrll else 921 1.1.2.2 skrll AO_WR(sc, HW_AUDIOOUT_HPVOL_CLR, HW_AUDIOOUT_HPVOL_MUTE); 922 1.1.2.2 skrll 923 1.1.2.2 skrll /* Line. */ 924 1.1.2.2 skrll if (sc->sc_mute & DIGFILT_MUTE_LINE) 925 1.1.2.2 skrll AO_WR(sc, HW_AUDIOOUT_SPEAKERCTRL_SET, 926 1.1.2.2 skrll HW_AUDIOOUT_SPEAKERCTRL_MUTE); 927 1.1.2.2 skrll else 928 1.1.2.2 skrll AO_WR(sc, HW_AUDIOOUT_SPEAKERCTRL_CLR, 929 1.1.2.2 skrll HW_AUDIOOUT_SPEAKERCTRL_MUTE); 930 1.1.2.2 skrll 931 1.1.2.2 skrll return; 932 1.1.2.2 skrll } 933 1.1.2.2 skrll 934 1.1.2.2 skrll /* 935 1.1.2.2 skrll * Initialize audio system. 936 1.1.2.2 skrll */ 937 1.1.2.2 skrll static void 938 1.1.2.2 skrll digfilt_ao_init(struct digfilt_softc *sc) 939 1.1.2.2 skrll { 940 1.1.2.2 skrll 941 1.1.2.2 skrll AO_WR(sc, HW_AUDIOOUT_ANACLKCTRL_CLR, HW_AUDIOOUT_ANACLKCTRL_CLKGATE); 942 1.1.2.2 skrll while ((AO_RD(sc, HW_AUDIOOUT_ANACLKCTRL) & 943 1.1.2.2 skrll HW_AUDIOOUT_ANACLKCTRL_CLKGATE)); 944 1.1.2.2 skrll 945 1.1.2.2 skrll /* Hold headphones outputs at ground. */ 946 1.1.2.2 skrll AO_WR(sc, HW_AUDIOOUT_ANACTRL_SET, HW_AUDIOOUT_ANACTRL_HP_HOLD_GND); 947 1.1.2.2 skrll 948 1.1.2.2 skrll /* Remove pulldown resistors on headphone outputs. */ 949 1.1.2.2 skrll rtc_release_gnd(1); 950 1.1.2.2 skrll 951 1.1.2.2 skrll /* Release pull down */ 952 1.1.2.2 skrll AO_WR(sc, HW_AUDIOOUT_ANACTRL_CLR, HW_AUDIOOUT_ANACTRL_HP_HOLD_GND); 953 1.1.2.2 skrll 954 1.1.2.2 skrll AO_WR(sc, HW_AUDIOOUT_ANACTRL_SET, HW_AUDIOOUT_ANACTRL_HP_CLASSAB); 955 1.1.2.2 skrll 956 1.1.2.2 skrll /* Enable Modules. */ 957 1.1.2.2 skrll AO_WR(sc, HW_AUDIOOUT_PWRDN_CLR, 958 1.1.2.2 skrll HW_AUDIOOUT_PWRDN_RIGHT_ADC | 959 1.1.2.2 skrll HW_AUDIOOUT_PWRDN_DAC | 960 1.1.2.2 skrll HW_AUDIOOUT_PWRDN_CAPLESS | 961 1.1.2.2 skrll HW_AUDIOOUT_PWRDN_HEADPHONE 962 1.1.2.2 skrll ); 963 1.1.2.2 skrll 964 1.1.2.2 skrll return; 965 1.1.2.2 skrll } 966 1.1.2.2 skrll 967 1.1.2.2 skrll /* 968 1.1.2.2 skrll * Reset the AUDIOOUT block. 969 1.1.2.2 skrll * 970 1.1.2.2 skrll * Inspired by i.MX23 RM "39.3.10 Correct Way to Soft Reset a Block" 971 1.1.2.2 skrll */ 972 1.1.2.2 skrll static void 973 1.1.2.2 skrll digfilt_ao_reset(struct digfilt_softc *sc) 974 1.1.2.2 skrll { 975 1.1.2.2 skrll unsigned int loop; 976 1.1.2.2 skrll 977 1.1.2.2 skrll /* Prepare for soft-reset by making sure that SFTRST is not currently 978 1.1.2.2 skrll * asserted. Also clear CLKGATE so we can wait for its assertion below. 979 1.1.2.2 skrll */ 980 1.1.2.2 skrll AO_WR(sc, HW_AUDIOOUT_CTRL_CLR, HW_AUDIOOUT_CTRL_SFTRST); 981 1.1.2.2 skrll 982 1.1.2.2 skrll /* Wait at least a microsecond for SFTRST to deassert. */ 983 1.1.2.2 skrll loop = 0; 984 1.1.2.2 skrll while ((AO_RD(sc, HW_AUDIOOUT_CTRL) & HW_AUDIOOUT_CTRL_SFTRST) || 985 1.1.2.2 skrll (loop < DIGFILT_SOFT_RST_LOOP)) 986 1.1.2.2 skrll loop++; 987 1.1.2.2 skrll 988 1.1.2.2 skrll /* Clear CLKGATE so we can wait for its assertion below. */ 989 1.1.2.2 skrll AO_WR(sc, HW_AUDIOOUT_CTRL_CLR, HW_AUDIOOUT_CTRL_CLKGATE); 990 1.1.2.2 skrll 991 1.1.2.2 skrll /* Soft-reset the block. */ 992 1.1.2.2 skrll AO_WR(sc, HW_AUDIOOUT_CTRL_SET, HW_AUDIOOUT_CTRL_SFTRST); 993 1.1.2.2 skrll 994 1.1.2.2 skrll /* Wait until clock is in the gated state. */ 995 1.1.2.2 skrll while (!(AO_RD(sc, HW_AUDIOOUT_CTRL) & HW_AUDIOOUT_CTRL_CLKGATE)); 996 1.1.2.2 skrll 997 1.1.2.2 skrll /* Bring block out of reset. */ 998 1.1.2.2 skrll AO_WR(sc, HW_AUDIOOUT_CTRL_CLR, HW_AUDIOOUT_CTRL_SFTRST); 999 1.1.2.2 skrll 1000 1.1.2.2 skrll loop = 0; 1001 1.1.2.2 skrll while ((AO_RD(sc, HW_AUDIOOUT_CTRL) & HW_AUDIOOUT_CTRL_SFTRST) || 1002 1.1.2.2 skrll (loop < DIGFILT_SOFT_RST_LOOP)) 1003 1.1.2.2 skrll loop++; 1004 1.1.2.2 skrll 1005 1.1.2.2 skrll AO_WR(sc, HW_AUDIOOUT_CTRL_CLR, HW_AUDIOOUT_CTRL_CLKGATE); 1006 1.1.2.2 skrll 1007 1.1.2.2 skrll /* Wait until clock is in the NON-gated state. */ 1008 1.1.2.2 skrll while (AO_RD(sc, HW_AUDIOOUT_CTRL) & HW_AUDIOOUT_CTRL_CLKGATE); 1009 1.1.2.2 skrll 1010 1.1.2.2 skrll return; 1011 1.1.2.2 skrll } 1012 1.1.2.2 skrll 1013 1.1.2.2 skrll static void 1014 1.1.2.2 skrll digfilt_ao_set_rate(struct digfilt_softc *sc, int sr) 1015 1.1.2.2 skrll { 1016 1.1.2.2 skrll uint32_t val; 1017 1.1.2.2 skrll 1018 1.1.2.2 skrll 1019 1.1.2.2 skrll val = AO_RD(sc, HW_AUDIOOUT_DACSRR); 1020 1.1.2.2 skrll 1021 1.1.2.2 skrll 1022 1.1.2.2 skrll val &= ~(HW_AUDIOOUT_DACSRR_BASEMULT | HW_AUDIOOUT_DACSRR_SRC_HOLD | 1023 1.1.2.2 skrll HW_AUDIOOUT_DACSRR_SRC_INT | HW_AUDIOOUT_DACSRR_SRC_FRAC); 1024 1.1.2.2 skrll 1025 1.1.2.2 skrll switch(sr) { 1026 1.1.2.2 skrll case 8000: 1027 1.1.2.2 skrll val |= (__SHIFTIN(0x1 ,HW_AUDIOOUT_DACSRR_BASEMULT) | 1028 1.1.2.2 skrll __SHIFTIN(0x3, HW_AUDIOOUT_DACSRR_SRC_HOLD) | 1029 1.1.2.2 skrll __SHIFTIN(0x17, HW_AUDIOOUT_DACSRR_SRC_INT) | 1030 1.1.2.2 skrll __SHIFTIN(0x0E00, HW_AUDIOOUT_DACSRR_SRC_FRAC)); 1031 1.1.2.2 skrll break; 1032 1.1.2.2 skrll case 11025: 1033 1.1.2.2 skrll val |= (__SHIFTIN(0x1 ,HW_AUDIOOUT_DACSRR_BASEMULT) | 1034 1.1.2.2 skrll __SHIFTIN(0x3, HW_AUDIOOUT_DACSRR_SRC_HOLD) | 1035 1.1.2.2 skrll __SHIFTIN(0x11, HW_AUDIOOUT_DACSRR_SRC_INT) | 1036 1.1.2.2 skrll __SHIFTIN(0x0037, HW_AUDIOOUT_DACSRR_SRC_FRAC)); 1037 1.1.2.2 skrll break; 1038 1.1.2.2 skrll case 12000: 1039 1.1.2.2 skrll val |= (__SHIFTIN(0x1 ,HW_AUDIOOUT_DACSRR_BASEMULT) | 1040 1.1.2.2 skrll __SHIFTIN(0x3, HW_AUDIOOUT_DACSRR_SRC_HOLD) | 1041 1.1.2.2 skrll __SHIFTIN(0x0F, HW_AUDIOOUT_DACSRR_SRC_INT) | 1042 1.1.2.2 skrll __SHIFTIN(0x13FF, HW_AUDIOOUT_DACSRR_SRC_FRAC)); 1043 1.1.2.2 skrll break; 1044 1.1.2.2 skrll case 16000: 1045 1.1.2.2 skrll val |= (__SHIFTIN(0x1 ,HW_AUDIOOUT_DACSRR_BASEMULT) | 1046 1.1.2.2 skrll __SHIFTIN(0x1, HW_AUDIOOUT_DACSRR_SRC_HOLD) | 1047 1.1.2.2 skrll __SHIFTIN(0x17, HW_AUDIOOUT_DACSRR_SRC_INT) | 1048 1.1.2.2 skrll __SHIFTIN(0x0E00, HW_AUDIOOUT_DACSRR_SRC_FRAC)); 1049 1.1.2.2 skrll break; 1050 1.1.2.2 skrll case 22050: 1051 1.1.2.2 skrll val |= (__SHIFTIN(0x1 ,HW_AUDIOOUT_DACSRR_BASEMULT) | 1052 1.1.2.2 skrll __SHIFTIN(0x1, HW_AUDIOOUT_DACSRR_SRC_HOLD) | 1053 1.1.2.2 skrll __SHIFTIN(0x11, HW_AUDIOOUT_DACSRR_SRC_INT) | 1054 1.1.2.2 skrll __SHIFTIN(0x0037, HW_AUDIOOUT_DACSRR_SRC_FRAC)); 1055 1.1.2.2 skrll break; 1056 1.1.2.2 skrll case 24000: 1057 1.1.2.2 skrll val |= (__SHIFTIN(0x1 ,HW_AUDIOOUT_DACSRR_BASEMULT) | 1058 1.1.2.2 skrll __SHIFTIN(0x1, HW_AUDIOOUT_DACSRR_SRC_HOLD) | 1059 1.1.2.2 skrll __SHIFTIN(0x0F, HW_AUDIOOUT_DACSRR_SRC_INT) | 1060 1.1.2.2 skrll __SHIFTIN(0x13FF, HW_AUDIOOUT_DACSRR_SRC_FRAC)); 1061 1.1.2.2 skrll break; 1062 1.1.2.2 skrll case 32000: 1063 1.1.2.2 skrll val |= (__SHIFTIN(0x1 ,HW_AUDIOOUT_DACSRR_BASEMULT) | 1064 1.1.2.2 skrll __SHIFTIN(0x0, HW_AUDIOOUT_DACSRR_SRC_HOLD) | 1065 1.1.2.2 skrll __SHIFTIN(0x17, HW_AUDIOOUT_DACSRR_SRC_INT) | 1066 1.1.2.2 skrll __SHIFTIN(0x0E00, HW_AUDIOOUT_DACSRR_SRC_FRAC)); 1067 1.1.2.2 skrll break; 1068 1.1.2.2 skrll default: 1069 1.1.2.2 skrll aprint_error_dev(sc->sc_dev, "uknown sample rate: %d\n", sr); 1070 1.1.2.2 skrll case 44100: 1071 1.1.2.2 skrll val |= (__SHIFTIN(0x1 ,HW_AUDIOOUT_DACSRR_BASEMULT) | 1072 1.1.2.2 skrll __SHIFTIN(0x0, HW_AUDIOOUT_DACSRR_SRC_HOLD) | 1073 1.1.2.2 skrll __SHIFTIN(0x11, HW_AUDIOOUT_DACSRR_SRC_INT) | 1074 1.1.2.2 skrll __SHIFTIN(0x0037, HW_AUDIOOUT_DACSRR_SRC_FRAC)); 1075 1.1.2.2 skrll break; 1076 1.1.2.2 skrll } 1077 1.1.2.2 skrll 1078 1.1.2.2 skrll AO_WR(sc, HW_AUDIOOUT_DACSRR, val); 1079 1.1.2.2 skrll 1080 1.1.2.2 skrll val = AO_RD(sc, HW_AUDIOOUT_DACSRR); 1081 1.1.2.2 skrll 1082 1.1.2.2 skrll return; 1083 1.1.2.2 skrll } 1084 1.1.2.2 skrll #if 0 1085 1.1.2.2 skrll /* 1086 1.1.2.2 skrll * Reset the AUDIOIN block. 1087 1.1.2.2 skrll * 1088 1.1.2.2 skrll * Inspired by i.MX23 RM "39.3.10 Correct Way to Soft Reset a Block" 1089 1.1.2.2 skrll */ 1090 1.1.2.2 skrll static void 1091 1.1.2.2 skrll digfilt_ai_reset(struct digfilt_softc *sc) 1092 1.1.2.2 skrll { 1093 1.1.2.2 skrll unsigned int loop; 1094 1.1.2.2 skrll 1095 1.1.2.2 skrll /* Prepare for soft-reset by making sure that SFTRST is not currently 1096 1.1.2.2 skrll * asserted. Also clear CLKGATE so we can wait for its assertion below. 1097 1.1.2.2 skrll */ 1098 1.1.2.2 skrll AI_WR(sc, HW_AUDIOIN_CTRL_CLR, HW_AUDIOIN_CTRL_SFTRST); 1099 1.1.2.2 skrll 1100 1.1.2.2 skrll /* Wait at least a microsecond for SFTRST to deassert. */ 1101 1.1.2.2 skrll loop = 0; 1102 1.1.2.2 skrll while ((AI_RD(sc, HW_AUDIOIN_CTRL) & HW_AUDIOIN_CTRL_SFTRST) || 1103 1.1.2.2 skrll (loop < DIGFILT_SOFT_RST_LOOP)) 1104 1.1.2.2 skrll loop++; 1105 1.1.2.2 skrll 1106 1.1.2.2 skrll /* Clear CLKGATE so we can wait for its assertion below. */ 1107 1.1.2.2 skrll AI_WR(sc, HW_AUDIOIN_CTRL_CLR, HW_AUDIOIN_CTRL_CLKGATE); 1108 1.1.2.2 skrll 1109 1.1.2.2 skrll /* Soft-reset the block. */ 1110 1.1.2.2 skrll AI_WR(sc, HW_AUDIOIN_CTRL_SET, HW_AUDIOIN_CTRL_SFTRST); 1111 1.1.2.2 skrll 1112 1.1.2.2 skrll /* Wait until clock is in the gated state. */ 1113 1.1.2.2 skrll while (!(AI_RD(sc, HW_AUDIOIN_CTRL) & HW_AUDIOIN_CTRL_CLKGATE)); 1114 1.1.2.2 skrll 1115 1.1.2.2 skrll /* Bring block out of reset. */ 1116 1.1.2.2 skrll AI_WR(sc, HW_AUDIOIN_CTRL_CLR, HW_AUDIOIN_CTRL_SFTRST); 1117 1.1.2.2 skrll 1118 1.1.2.2 skrll loop = 0; 1119 1.1.2.2 skrll while ((AI_RD(sc, HW_AUDIOIN_CTRL) & HW_AUDIOIN_CTRL_SFTRST) || 1120 1.1.2.2 skrll (loop < DIGFILT_SOFT_RST_LOOP)) 1121 1.1.2.2 skrll loop++; 1122 1.1.2.2 skrll 1123 1.1.2.2 skrll AI_WR(sc, HW_AUDIOIN_CTRL_CLR, HW_AUDIOIN_CTRL_CLKGATE); 1124 1.1.2.2 skrll 1125 1.1.2.2 skrll /* Wait until clock is in the NON-gated state. */ 1126 1.1.2.2 skrll while (AI_RD(sc, HW_AUDIOIN_CTRL) & HW_AUDIOIN_CTRL_CLKGATE); 1127 1.1.2.2 skrll 1128 1.1.2.2 skrll return; 1129 1.1.2.2 skrll } 1130 1.1.2.2 skrll #endif 1131
Indexes created Tue Sep 30 20:09:53 GMT 2025