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auixp.c revision 1.34.10.2
      1  1.34.10.2      yamt /* $NetBSD: auixp.c,v 1.34.10.2 2012/10/30 17:21:23 yamt Exp $ */
      2        1.1   reinoud 
      3        1.1   reinoud /*
      4        1.2   reinoud  * Copyright (c) 2004, 2005 Reinoud Zandijk <reinoud (at) netbsd.org>
      5        1.1   reinoud  * All rights reserved.
      6        1.1   reinoud  *
      7        1.1   reinoud  * Redistribution and use in source and binary forms, with or without
      8        1.1   reinoud  * modification, are permitted provided that the following conditions
      9        1.1   reinoud  * are met:
     10        1.1   reinoud  * 1. Redistributions of source code must retain the above copyright
     11        1.1   reinoud  *    notice, this list of conditions and the following disclaimer.
     12        1.1   reinoud  * 2. The name of the author may not be used to endorse or promote products
     13        1.1   reinoud  *    derived from this software without specific prior written permission.
     14        1.1   reinoud  * 3. All advertising materials mentioning features or use of this software
     15        1.1   reinoud  *    must display the following acknowledgement:
     16        1.1   reinoud  *	This product includes software developed by the NetBSD
     17        1.1   reinoud  *	Foundation, Inc. and its contributors.
     18        1.1   reinoud  * 4. Neither the name of The NetBSD Foundation nor the names of its
     19        1.1   reinoud  *    contributors may be used to endorse or promote products derived
     20        1.1   reinoud  *    from this software without specific prior written permission.
     21        1.1   reinoud  *
     22        1.1   reinoud  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     23        1.1   reinoud  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24        1.1   reinoud  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25        1.1   reinoud  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     26        1.1   reinoud  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     27        1.1   reinoud  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     28        1.1   reinoud  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     29        1.1   reinoud  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     30        1.1   reinoud  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     31        1.1   reinoud  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     32        1.1   reinoud  * SUCH DAMAGE.
     33        1.1   reinoud  */
     34        1.1   reinoud 
     35        1.1   reinoud 
     36        1.1   reinoud /*
     37        1.1   reinoud  * NetBSD audio driver for ATI IXP-{150,200,...} audio driver hardware.
     38        1.1   reinoud  *
     39        1.1   reinoud  * Recording and playback has been tested OK on various sample rates and
     40        1.1   reinoud  * encodings.
     41        1.1   reinoud  *
     42        1.1   reinoud  * Known problems and issues :
     43        1.1   reinoud  * - SPDIF is untested and needs some work still (LED stays off)
     44        1.1   reinoud  * - 32 bit audio playback failed last time i tried but that might an AC'97
     45        1.1   reinoud  *   codec support problem.
     46        1.1   reinoud  * - 32 bit recording works but can't try out playing: see above.
     47        1.1   reinoud  * - no suspend/resume support yet.
     48        1.1   reinoud  * - multiple codecs are `supported' but not tested; the implemetation needs
     49        1.1   reinoud  *   some cleaning up.
     50        1.1   reinoud  */
     51        1.1   reinoud 
     52        1.1   reinoud #include <sys/cdefs.h>
     53  1.34.10.2      yamt __KERNEL_RCSID(0, "$NetBSD: auixp.c,v 1.34.10.2 2012/10/30 17:21:23 yamt Exp $");
     54        1.1   reinoud 
     55        1.1   reinoud #include <sys/types.h>
     56        1.1   reinoud #include <sys/errno.h>
     57        1.1   reinoud #include <sys/null.h>
     58        1.1   reinoud #include <sys/param.h>
     59        1.1   reinoud #include <sys/systm.h>
     60  1.34.10.1      yamt #include <sys/kmem.h>
     61        1.1   reinoud #include <sys/device.h>
     62        1.1   reinoud #include <sys/conf.h>
     63        1.1   reinoud #include <sys/exec.h>
     64        1.1   reinoud #include <sys/select.h>
     65        1.1   reinoud #include <sys/audioio.h>
     66        1.1   reinoud #include <sys/queue.h>
     67       1.24        ad #include <sys/bus.h>
     68       1.24        ad #include <sys/intr.h>
     69        1.1   reinoud 
     70        1.1   reinoud #include <dev/audio_if.h>
     71        1.1   reinoud #include <dev/mulaw.h>
     72        1.1   reinoud #include <dev/auconv.h>
     73  1.34.10.1      yamt 
     74        1.1   reinoud #include <dev/ic/ac97var.h>
     75        1.1   reinoud #include <dev/ic/ac97reg.h>
     76        1.1   reinoud 
     77  1.34.10.1      yamt #include <dev/pci/pcidevs.h>
     78  1.34.10.1      yamt #include <dev/pci/pcivar.h>
     79        1.1   reinoud #include <dev/pci/auixpreg.h>
     80        1.1   reinoud #include <dev/pci/auixpvar.h>
     81        1.1   reinoud 
     82        1.1   reinoud 
     83       1.18  jmcneill /* #define DEBUG_AUIXP */
     84        1.1   reinoud 
     85        1.1   reinoud 
     86        1.1   reinoud /* why isn't this base address register not in the headerfile? */
     87        1.1   reinoud #define PCI_CBIO 0x10
     88        1.1   reinoud 
     89        1.1   reinoud 
     90        1.1   reinoud /* macro's used */
     91        1.1   reinoud #define KERNADDR(p)	((void *)((p)->addr))
     92        1.1   reinoud #define	DMAADDR(p)	((p)->map->dm_segs[0].ds_addr)
     93        1.1   reinoud 
     94        1.1   reinoud 
     95        1.1   reinoud /* the differences might be irrelevant */
     96        1.1   reinoud enum {
     97        1.1   reinoud 	IXP_200,
     98        1.1   reinoud 	IXP_300,
     99        1.1   reinoud 	IXP_400
    100        1.1   reinoud };
    101        1.1   reinoud 
    102        1.1   reinoud 
    103        1.1   reinoud /* our `cards' */
    104        1.9   thorpej static const struct auixp_card_type {
    105        1.1   reinoud 	uint16_t pci_vendor_id;
    106        1.1   reinoud 	uint16_t pci_product_id;
    107        1.1   reinoud 	int type;
    108        1.1   reinoud } auixp_card_types[] = {
    109        1.1   reinoud 	{ PCI_VENDOR_ATI, PCI_PRODUCT_ATI_IXP_AUDIO_200, IXP_200 },
    110        1.1   reinoud 	{ PCI_VENDOR_ATI, PCI_PRODUCT_ATI_IXP_AUDIO_300, IXP_300 },
    111        1.1   reinoud 	{ PCI_VENDOR_ATI, PCI_PRODUCT_ATI_IXP_AUDIO_400, IXP_400 },
    112        1.1   reinoud 	{ 0, 0, 0 }
    113        1.1   reinoud };
    114        1.1   reinoud 
    115        1.1   reinoud 
    116        1.1   reinoud struct audio_device auixp_device = {
    117        1.1   reinoud 	"ATI IXP audio",
    118        1.1   reinoud 	"",
    119        1.1   reinoud 	"auixp"
    120        1.1   reinoud };
    121        1.1   reinoud 
    122        1.1   reinoud 
    123        1.1   reinoud /* codec detection constant indicating the interrupt flags */
    124        1.1   reinoud #define ALL_CODECS_NOT_READY \
    125        1.1   reinoud 	    (ATI_REG_ISR_CODEC0_NOT_READY |\
    126        1.1   reinoud 	     ATI_REG_ISR_CODEC1_NOT_READY |\
    127        1.1   reinoud 	     ATI_REG_ISR_CODEC2_NOT_READY)
    128        1.1   reinoud #define CODEC_CHECK_BITS (ALL_CODECS_NOT_READY|ATI_REG_ISR_NEW_FRAME)
    129        1.1   reinoud 
    130        1.1   reinoud 
    131        1.1   reinoud /* autoconfig */
    132       1.31    cegger static int	auixp_match(device_t, cfdata_t, void *);
    133       1.27    dyoung static void	auixp_attach(device_t, device_t, void *);
    134       1.27    dyoung static int	auixp_detach(device_t, int);
    135        1.1   reinoud 
    136        1.1   reinoud 
    137        1.1   reinoud /* audio(9) function prototypes */
    138        1.9   thorpej static int	auixp_query_encoding(void *, struct audio_encoding *);
    139        1.9   thorpej static int	auixp_set_params(void *, int, int, audio_params_t *,
    140        1.9   thorpej 				 audio_params_t *,
    141        1.3      kent 		stream_filter_list_t *, stream_filter_list_t *);
    142        1.9   thorpej static int	auixp_commit_settings(void *);
    143        1.9   thorpej static int	auixp_round_blocksize(void *, int, int, const audio_params_t *);
    144        1.9   thorpej static int	auixp_trigger_output(void *, void *, void *, int,
    145        1.9   thorpej 				     void (*)(void *),
    146        1.3      kent 		void *, const audio_params_t *);
    147        1.9   thorpej static int	auixp_trigger_input(void *, void *, void *, int,
    148        1.9   thorpej 				    void (*)(void *),
    149        1.3      kent 		void *, const audio_params_t *);
    150        1.9   thorpej static int	auixp_halt_output(void *);
    151        1.9   thorpej static int	auixp_halt_input(void *);
    152        1.9   thorpej static int	auixp_set_port(void *, mixer_ctrl_t *);
    153        1.9   thorpej static int	auixp_get_port(void *, mixer_ctrl_t *);
    154        1.9   thorpej static int	auixp_query_devinfo(void *, mixer_devinfo_t *);
    155  1.34.10.1      yamt static void *	auixp_malloc(void *, int, size_t);
    156  1.34.10.1      yamt static void	auixp_free(void *, void *, size_t);
    157        1.9   thorpej static int	auixp_getdev(void *, struct audio_device *);
    158        1.9   thorpej static size_t	auixp_round_buffersize(void *, int, size_t);
    159        1.9   thorpej static int	auixp_get_props(void *);
    160        1.9   thorpej static int	auixp_intr(void *);
    161        1.9   thorpej static int	auixp_allocmem(struct auixp_softc *, size_t, size_t,
    162        1.4    simonb 		struct auixp_dma *);
    163        1.9   thorpej static int	auixp_freemem(struct auixp_softc *, struct auixp_dma *);
    164        1.9   thorpej static paddr_t	auixp_mappage(void *, void *, off_t, int);
    165        1.1   reinoud 
    166        1.1   reinoud /* Supporting subroutines */
    167        1.9   thorpej static int	auixp_init(struct auixp_softc *);
    168        1.9   thorpej static void	auixp_autodetect_codecs(struct auixp_softc *);
    169       1.27    dyoung static void	auixp_post_config(device_t);
    170        1.9   thorpej 
    171        1.9   thorpej static void	auixp_reset_aclink(struct auixp_softc *);
    172        1.9   thorpej static int	auixp_attach_codec(void *, struct ac97_codec_if *);
    173        1.9   thorpej static int	auixp_read_codec(void *, uint8_t, uint16_t *);
    174        1.9   thorpej static int	auixp_write_codec(void *, uint8_t, uint16_t);
    175        1.9   thorpej static int	auixp_wait_for_codecs(struct auixp_softc *, const char *);
    176        1.9   thorpej static int	auixp_reset_codec(void *);
    177        1.9   thorpej static enum ac97_host_flags	auixp_flags_codec(void *);
    178        1.9   thorpej 
    179        1.9   thorpej static void	auixp_enable_dma(struct auixp_softc *, struct auixp_dma *);
    180        1.9   thorpej static void	auixp_disable_dma(struct auixp_softc *, struct auixp_dma *);
    181        1.9   thorpej static void	auixp_enable_interrupts(struct auixp_softc *);
    182        1.9   thorpej static void	auixp_disable_interrupts(struct auixp_softc *);
    183        1.1   reinoud 
    184        1.1   reinoud 
    185        1.1   reinoud /* statics */
    186        1.9   thorpej static void	auixp_link_daisychain(struct auixp_softc *,
    187        1.9   thorpej 				      struct auixp_dma *, struct auixp_dma *,
    188        1.9   thorpej 				      int, int);
    189        1.9   thorpej static int	auixp_allocate_dma_chain(struct auixp_softc *,
    190        1.9   thorpej 					 struct auixp_dma **);
    191        1.9   thorpej static void	auixp_program_dma_chain(struct auixp_softc *,
    192        1.9   thorpej 					struct auixp_dma *);
    193        1.9   thorpej static void	auixp_dma_update(struct auixp_softc *, struct auixp_dma *);
    194        1.9   thorpej static void	auixp_update_busbusy(struct auixp_softc *);
    195  1.34.10.1      yamt static void	auixp_get_locks(void *, kmutex_t **, kmutex_t **);
    196        1.1   reinoud 
    197       1.34    dyoung static bool	auixp_resume(device_t, const pmf_qual_t *);
    198       1.25  jmcneill 
    199        1.1   reinoud 
    200        1.1   reinoud #ifdef DEBUG_AUIXP
    201        1.9   thorpej static struct auixp_softc *static_sc;
    202       1.15  christos static void auixp_dumpreg(void);
    203        1.1   reinoud #	define DPRINTF(x) printf x;
    204        1.1   reinoud #else
    205        1.1   reinoud #	define DPRINTF(x)
    206        1.1   reinoud #endif
    207        1.1   reinoud 
    208        1.1   reinoud 
    209        1.9   thorpej static const struct audio_hw_if auixp_hw_if = {
    210        1.3      kent 	NULL,			/* open */
    211        1.3      kent 	NULL,			/* close */
    212        1.1   reinoud 	NULL,			/* drain */
    213        1.1   reinoud 	auixp_query_encoding,
    214        1.1   reinoud 	auixp_set_params,
    215        1.1   reinoud 	auixp_round_blocksize,
    216        1.1   reinoud 	auixp_commit_settings,
    217        1.1   reinoud 	NULL,			/* init_output  */
    218        1.1   reinoud 	NULL,			/* init_input   */
    219        1.1   reinoud 	NULL,			/* start_output */
    220        1.1   reinoud 	NULL,			/* start_input  */
    221        1.1   reinoud 	auixp_halt_output,
    222        1.1   reinoud 	auixp_halt_input,
    223        1.1   reinoud 	NULL,			/* speaker_ctl */
    224        1.1   reinoud 	auixp_getdev,
    225        1.1   reinoud 	NULL,			/* getfd */
    226        1.1   reinoud 	auixp_set_port,
    227        1.1   reinoud 	auixp_get_port,
    228        1.1   reinoud 	auixp_query_devinfo,
    229        1.1   reinoud 	auixp_malloc,
    230        1.1   reinoud 	auixp_free,
    231        1.1   reinoud 	auixp_round_buffersize,
    232        1.1   reinoud 	auixp_mappage,
    233        1.1   reinoud 	auixp_get_props,
    234        1.1   reinoud 	auixp_trigger_output,
    235       1.16  christos 	auixp_trigger_input,
    236       1.16  christos 	NULL,			/* dev_ioctl */
    237  1.34.10.1      yamt 	auixp_get_locks,
    238        1.1   reinoud };
    239        1.1   reinoud 
    240        1.1   reinoud 
    241  1.34.10.2      yamt CFATTACH_DECL_NEW(auixp, sizeof(struct auixp_softc), auixp_match, auixp_attach,
    242        1.1   reinoud     auixp_detach, NULL);
    243        1.1   reinoud 
    244        1.1   reinoud 
    245        1.1   reinoud /*
    246        1.1   reinoud  * audio(9) functions
    247        1.1   reinoud  */
    248        1.1   reinoud 
    249        1.9   thorpej static int
    250        1.3      kent auixp_query_encoding(void *hdl, struct audio_encoding *ae)
    251        1.3      kent {
    252        1.3      kent 	struct auixp_codec *co;
    253        1.3      kent 	struct auixp_softc *sc;
    254        1.1   reinoud 
    255        1.3      kent 	co = (struct auixp_codec *) hdl;
    256        1.3      kent 	sc = co->sc;
    257        1.1   reinoud 	return auconv_query_encoding(sc->sc_encodings, ae);
    258        1.1   reinoud }
    259        1.1   reinoud 
    260        1.1   reinoud 
    261        1.3      kent static int
    262        1.3      kent auixp_set_rate(struct auixp_codec *co, int mode, u_int srate)
    263        1.3      kent {
    264        1.1   reinoud 	int ret;
    265        1.1   reinoud 	u_int ratetmp;
    266        1.1   reinoud 
    267        1.1   reinoud 	ratetmp = srate;
    268        1.1   reinoud 	if (mode == AUMODE_RECORD) {
    269        1.3      kent 		ret = co->codec_if->vtbl->set_rate(co->codec_if,
    270        1.3      kent 			AC97_REG_PCM_LR_ADC_RATE, &ratetmp);
    271        1.1   reinoud 		return ret;
    272        1.3      kent 	}
    273        1.1   reinoud 
    274        1.1   reinoud 	/* play mode */
    275        1.3      kent 	ret = co->codec_if->vtbl->set_rate(co->codec_if,
    276        1.3      kent 		AC97_REG_PCM_FRONT_DAC_RATE, &ratetmp);
    277        1.4    simonb 	if (ret)
    278        1.4    simonb 		return ret;
    279        1.1   reinoud 
    280        1.1   reinoud 	ratetmp = srate;
    281        1.3      kent 	ret = co->codec_if->vtbl->set_rate(co->codec_if,
    282        1.3      kent 		AC97_REG_PCM_SURR_DAC_RATE, &ratetmp);
    283        1.4    simonb 	if (ret)
    284        1.4    simonb 		return ret;
    285        1.1   reinoud 
    286        1.1   reinoud 	ratetmp = srate;
    287        1.3      kent 	ret = co->codec_if->vtbl->set_rate(co->codec_if,
    288        1.3      kent 		AC97_REG_PCM_LFE_DAC_RATE, &ratetmp);
    289        1.1   reinoud 	return ret;
    290        1.1   reinoud }
    291        1.1   reinoud 
    292        1.1   reinoud 
    293        1.1   reinoud /* commit setting and program ATI IXP chip */
    294        1.9   thorpej static int
    295        1.3      kent auixp_commit_settings(void *hdl)
    296        1.3      kent {
    297        1.3      kent 	struct auixp_codec *co;
    298        1.3      kent 	struct auixp_softc *sc;
    299        1.3      kent 	bus_space_tag_t    iot;
    300        1.3      kent 	bus_space_handle_t ioh;
    301        1.1   reinoud 	struct audio_params *params;
    302        1.1   reinoud 	uint32_t value;
    303        1.1   reinoud 
    304        1.1   reinoud 	/* XXX would it be better to stop interrupts first? XXX */
    305        1.3      kent 	co = (struct auixp_codec *) hdl;
    306        1.3      kent 	sc = co->sc;
    307        1.3      kent 	iot = sc->sc_iot;
    308        1.3      kent 	ioh = sc->sc_ioh;
    309        1.1   reinoud 
    310        1.1   reinoud 	/* process input settings */
    311        1.1   reinoud 	params = &sc->sc_play_params;
    312        1.1   reinoud 
    313        1.1   reinoud 	/* set input interleaving (precision) */
    314        1.1   reinoud 	value  =  bus_space_read_4(iot, ioh, ATI_REG_CMD);
    315        1.1   reinoud 	value &= ~ATI_REG_CMD_INTERLEAVE_IN;
    316        1.4    simonb 	if (params->precision <= 16)
    317        1.4    simonb 		value |= ATI_REG_CMD_INTERLEAVE_IN;
    318        1.1   reinoud 	bus_space_write_4(iot, ioh, ATI_REG_CMD, value);
    319        1.1   reinoud 
    320        1.1   reinoud 	/* process output settings */
    321        1.1   reinoud 	params = &sc->sc_play_params;
    322        1.1   reinoud 
    323        1.1   reinoud 	value  =  bus_space_read_4(iot, ioh, ATI_REG_OUT_DMA_SLOT);
    324        1.1   reinoud 	value &= ~ATI_REG_OUT_DMA_SLOT_MASK;
    325        1.1   reinoud 
    326        1.7   reinoud 	/* TODO SPDIF case for 8 channels */
    327        1.1   reinoud 	switch (params->channels) {
    328        1.1   reinoud 	case 6:
    329        1.1   reinoud 		value |= ATI_REG_OUT_DMA_SLOT_BIT(7) |
    330        1.1   reinoud 			 ATI_REG_OUT_DMA_SLOT_BIT(8);
    331        1.1   reinoud 		/* fallthru */
    332        1.1   reinoud 	case 4:
    333        1.1   reinoud 		value |= ATI_REG_OUT_DMA_SLOT_BIT(6) |
    334        1.1   reinoud 			 ATI_REG_OUT_DMA_SLOT_BIT(9);
    335        1.1   reinoud 		/* fallthru */
    336        1.1   reinoud 	default:
    337        1.1   reinoud 		value |= ATI_REG_OUT_DMA_SLOT_BIT(3) |
    338        1.1   reinoud 			 ATI_REG_OUT_DMA_SLOT_BIT(4);
    339        1.1   reinoud 		break;
    340        1.3      kent 	}
    341        1.1   reinoud 	/* set output threshold */
    342        1.1   reinoud 	value |= 0x04 << ATI_REG_OUT_DMA_THRESHOLD_SHIFT;
    343        1.1   reinoud 	bus_space_write_4(iot, ioh, ATI_REG_OUT_DMA_SLOT, value);
    344        1.1   reinoud 
    345        1.1   reinoud 	/* set output interleaving (precision) */
    346        1.1   reinoud 	value  =  bus_space_read_4(iot, ioh, ATI_REG_CMD);
    347        1.1   reinoud 	value &= ~ATI_REG_CMD_INTERLEAVE_OUT;
    348        1.4    simonb 	if (params->precision <= 16)
    349        1.4    simonb 		value |= ATI_REG_CMD_INTERLEAVE_OUT;
    350        1.1   reinoud 	bus_space_write_4(iot, ioh, ATI_REG_CMD, value);
    351        1.1   reinoud 
    352        1.1   reinoud 	/* enable 6 channel reordering */
    353        1.1   reinoud 	value  =  bus_space_read_4(iot, ioh, ATI_REG_6CH_REORDER);
    354        1.1   reinoud 	value &= ~ATI_REG_6CH_REORDER_EN;
    355        1.4    simonb 	if (params->channels == 6)
    356        1.4    simonb 		value |= ATI_REG_6CH_REORDER_EN;
    357        1.1   reinoud 	bus_space_write_4(iot, ioh, ATI_REG_6CH_REORDER, value);
    358        1.1   reinoud 
    359        1.1   reinoud 	if (sc->has_spdif) {
    360        1.1   reinoud 		/* set SPDIF (if present) */
    361        1.1   reinoud 		value  =  bus_space_read_4(iot, ioh, ATI_REG_CMD);
    362        1.1   reinoud 		value &= ~ATI_REG_CMD_SPDF_CONFIG_MASK;
    363        1.4    simonb 		value |=  ATI_REG_CMD_SPDF_CONFIG_34; /* NetBSD AC'97 default */
    364        1.1   reinoud 
    365        1.1   reinoud 		/* XXX this prolly is not nessisary unless splitted XXX */
    366        1.1   reinoud 		value &= ~ATI_REG_CMD_INTERLEAVE_SPDF;
    367        1.4    simonb 		if (params->precision <= 16)
    368        1.4    simonb 			value |= ATI_REG_CMD_INTERLEAVE_SPDF;
    369        1.1   reinoud 		bus_space_write_4(iot, ioh, ATI_REG_CMD, value);
    370        1.3      kent 	}
    371        1.1   reinoud 
    372        1.1   reinoud 	return 0;
    373        1.1   reinoud }
    374        1.1   reinoud 
    375        1.1   reinoud 
    376        1.1   reinoud /* set audio properties in desired setting */
    377        1.9   thorpej static int
    378       1.21  christos auixp_set_params(void *hdl, int setmode, int usemode,
    379       1.20  christos     audio_params_t *play, audio_params_t *rec, stream_filter_list_t *pfil,
    380       1.20  christos     stream_filter_list_t *rfil)
    381        1.3      kent {
    382        1.3      kent 	struct auixp_codec *co;
    383        1.3      kent 	struct auixp_softc *sc;
    384        1.1   reinoud 	audio_params_t *params;
    385        1.1   reinoud 	stream_filter_list_t *fil;
    386        1.1   reinoud 	int mode, index;
    387        1.1   reinoud 
    388        1.1   reinoud 	/*
    389        1.1   reinoud 	 * In current NetBSD AC'97 implementation, SPDF is linked to channel 3
    390        1.1   reinoud 	 * and 4 i.e. stereo output.
    391        1.1   reinoud 	 */
    392        1.1   reinoud 
    393        1.3      kent 	co = (struct auixp_codec *) hdl;
    394        1.3      kent 	sc = co->sc;
    395        1.1   reinoud 	for (mode = AUMODE_RECORD; mode != -1;
    396        1.1   reinoud 	     mode = (mode == AUMODE_RECORD) ? AUMODE_PLAY : -1) {
    397        1.1   reinoud 		if ((setmode & mode) == 0)
    398        1.1   reinoud 			continue;
    399        1.1   reinoud 
    400        1.1   reinoud 		params = (mode == AUMODE_PLAY) ? play :  rec;
    401        1.1   reinoud 		fil    = (mode == AUMODE_PLAY) ? pfil : rfil;
    402        1.4    simonb 		if (params == NULL)
    403        1.4    simonb 			continue;
    404        1.1   reinoud 
    405        1.1   reinoud 		/* AD1888 settings ... don't know the IXP limits */
    406        1.4    simonb 		if (params->sample_rate < AUIXP_MINRATE)
    407        1.4    simonb 			return EINVAL;
    408        1.4    simonb 		if (params->sample_rate > AUIXP_MAXRATE)
    409        1.4    simonb 			return EINVAL;
    410        1.1   reinoud 
    411        1.3      kent 		index = auconv_set_converter(sc->sc_formats, AUIXP_NFORMATS,
    412        1.3      kent 					     mode, params, TRUE, fil);
    413        1.1   reinoud 
    414        1.1   reinoud 		/* nothing found? */
    415        1.4    simonb 		if (index < 0)
    416        1.4    simonb 			return EINVAL;
    417        1.1   reinoud 
    418        1.1   reinoud 		/* not sure yet as to why i have to change params here */
    419        1.4    simonb 		if (fil->req_size > 0)
    420        1.4    simonb 			params = &fil->filters[0].param;
    421        1.1   reinoud 
    422        1.1   reinoud 		/* if variable speed and we can't set the desired rate, fail */
    423        1.1   reinoud 		if ((sc->sc_formats[index].frequency_type != 1) &&
    424        1.4    simonb 		    auixp_set_rate(co, mode, params->sample_rate))
    425        1.4    simonb 			return EINVAL;
    426        1.1   reinoud 
    427        1.1   reinoud 		/* preserve the settings */
    428        1.4    simonb 		if (mode == AUMODE_PLAY)
    429        1.4    simonb 			sc->sc_play_params = *params;
    430        1.4    simonb 		if (mode == AUMODE_RECORD)
    431        1.4    simonb 			sc->sc_rec_params  = *params;
    432        1.1   reinoud 	}
    433        1.1   reinoud 
    434        1.3      kent 	return 0;
    435        1.1   reinoud }
    436        1.1   reinoud 
    437        1.1   reinoud 
    438        1.1   reinoud /* called to translate a requested blocksize to a hw-possible one */
    439        1.9   thorpej static int
    440       1.21  christos auixp_round_blocksize(void *hdl, int bs, int mode,
    441       1.21  christos     const audio_params_t *param)
    442        1.3      kent {
    443        1.3      kent 	uint32_t new_bs;
    444        1.1   reinoud 
    445        1.3      kent 	new_bs = bs;
    446        1.1   reinoud 	/* Be conservative; align to 32 bytes and maximise it to 64 kb */
    447        1.1   reinoud 	/* 256 kb possible */
    448        1.4    simonb 	if (new_bs > 0x10000)
    449        1.4    simonb 		bs = 0x10000;			/* 64 kb max */
    450        1.1   reinoud 	new_bs = (bs & ~0x20);			/* 32 bytes align */
    451        1.1   reinoud 
    452        1.1   reinoud 	return new_bs;
    453        1.1   reinoud }
    454        1.1   reinoud 
    455        1.1   reinoud 
    456        1.1   reinoud /*
    457        1.1   reinoud  * allocate dma capable memory and record its information for later retrieval
    458        1.1   reinoud  * when we program the dma chain itself. The trigger routines passes on the
    459        1.1   reinoud  * kernel virtual address we return here as a reference to the mapping.
    460        1.1   reinoud  */
    461        1.9   thorpej static void *
    462  1.34.10.1      yamt auixp_malloc(void *hdl, int direction, size_t size)
    463        1.3      kent {
    464        1.3      kent 	struct auixp_codec *co;
    465        1.3      kent 	struct auixp_softc *sc;
    466        1.1   reinoud 	struct auixp_dma *dma;
    467        1.1   reinoud 	int error;
    468        1.1   reinoud 
    469        1.3      kent 	co = (struct auixp_codec *) hdl;
    470        1.3      kent 	sc = co->sc;
    471        1.1   reinoud 	/* get us a auixp_dma structure */
    472  1.34.10.1      yamt 	dma = kmem_alloc(sizeof(*dma), KM_SLEEP);
    473        1.4    simonb 	if (!dma)
    474        1.4    simonb 		return NULL;
    475        1.1   reinoud 
    476        1.1   reinoud 	/* get us a dma buffer itself */
    477        1.1   reinoud 	error = auixp_allocmem(sc, size, 16, dma);
    478        1.1   reinoud 	if (error) {
    479  1.34.10.1      yamt 		kmem_free(dma, sizeof(*dma));
    480  1.34.10.2      yamt 		aprint_error_dev(sc->sc_dev, "auixp_malloc: not enough memory\n");
    481        1.1   reinoud 
    482        1.1   reinoud 		return NULL;
    483        1.1   reinoud 	}
    484        1.1   reinoud 	SLIST_INSERT_HEAD(&sc->sc_dma_list, dma, dma_chain);
    485        1.1   reinoud 
    486        1.4    simonb 	DPRINTF(("auixp_malloc: returning kern %p,   hw 0x%08x for %d bytes "
    487        1.4    simonb 	    "in %d segs\n", KERNADDR(dma), (uint32_t) DMAADDR(dma), dma->size,
    488        1.4    simonb 	    dma->nsegs)
    489        1.1   reinoud 	);
    490        1.1   reinoud 
    491        1.3      kent 	return KERNADDR(dma);
    492        1.1   reinoud }
    493        1.1   reinoud 
    494        1.1   reinoud 
    495        1.1   reinoud /*
    496        1.1   reinoud  * free and release dma capable memory we allocated before and remove its
    497        1.1   reinoud  * recording
    498        1.1   reinoud  */
    499        1.9   thorpej static void
    500  1.34.10.1      yamt auixp_free(void *hdl, void *addr, size_t size)
    501        1.3      kent {
    502        1.3      kent 	struct auixp_codec *co;
    503        1.3      kent 	struct auixp_softc *sc;
    504        1.1   reinoud 	struct auixp_dma *dma;
    505        1.1   reinoud 
    506        1.3      kent 	co = (struct auixp_codec *) hdl;
    507        1.3      kent 	sc = co->sc;
    508        1.1   reinoud 	SLIST_FOREACH(dma, &sc->sc_dma_list, dma_chain) {
    509        1.1   reinoud 		if (KERNADDR(dma) == addr) {
    510        1.4    simonb 			SLIST_REMOVE(&sc->sc_dma_list, dma, auixp_dma,
    511        1.4    simonb 			    dma_chain);
    512        1.9   thorpej 			auixp_freemem(sc, dma);
    513  1.34.10.1      yamt 			kmem_free(dma, sizeof(*dma));
    514        1.1   reinoud 			return;
    515        1.3      kent 		}
    516        1.3      kent 	}
    517        1.1   reinoud }
    518        1.1   reinoud 
    519        1.1   reinoud 
    520        1.9   thorpej static int
    521       1.21  christos auixp_getdev(void *hdl, struct audio_device *ret)
    522        1.3      kent {
    523        1.3      kent 
    524        1.1   reinoud 	*ret = auixp_device;
    525        1.3      kent 	return 0;
    526        1.1   reinoud }
    527        1.1   reinoud 
    528        1.1   reinoud 
    529        1.1   reinoud /* pass request to AC'97 codec code */
    530        1.9   thorpej static int
    531        1.3      kent auixp_set_port(void *hdl, mixer_ctrl_t *mc)
    532        1.3      kent {
    533        1.3      kent 	struct auixp_codec *co;
    534        1.1   reinoud 
    535        1.3      kent 	co = (struct auixp_codec *) hdl;
    536        1.1   reinoud 	return co->codec_if->vtbl->mixer_set_port(co->codec_if, mc);
    537        1.1   reinoud }
    538        1.1   reinoud 
    539        1.1   reinoud 
    540        1.1   reinoud /* pass request to AC'97 codec code */
    541        1.9   thorpej static int
    542        1.3      kent auixp_get_port(void *hdl, mixer_ctrl_t *mc)
    543        1.3      kent {
    544        1.3      kent 	struct auixp_codec *co;
    545        1.1   reinoud 
    546        1.3      kent 	co = (struct auixp_codec *) hdl;
    547        1.1   reinoud 	return co->codec_if->vtbl->mixer_get_port(co->codec_if, mc);
    548        1.1   reinoud }
    549        1.1   reinoud 
    550        1.1   reinoud /* pass request to AC'97 codec code */
    551        1.9   thorpej static int
    552        1.3      kent auixp_query_devinfo(void *hdl, mixer_devinfo_t *di)
    553        1.3      kent {
    554        1.3      kent 	struct auixp_codec *co;
    555        1.1   reinoud 
    556        1.3      kent 	co = (struct auixp_codec *) hdl;
    557        1.1   reinoud 	return co->codec_if->vtbl->query_devinfo(co->codec_if, di);
    558        1.1   reinoud }
    559        1.1   reinoud 
    560        1.1   reinoud 
    561        1.9   thorpej static size_t
    562       1.21  christos auixp_round_buffersize(void *hdl, int direction,
    563       1.20  christos     size_t bufsize)
    564        1.3      kent {
    565        1.4    simonb 
    566        1.1   reinoud 	/* XXX force maximum? i.e. 256 kb? */
    567        1.1   reinoud 	return bufsize;
    568        1.1   reinoud }
    569        1.1   reinoud 
    570        1.1   reinoud 
    571        1.9   thorpej static int
    572       1.21  christos auixp_get_props(void *hdl)
    573        1.3      kent {
    574        1.4    simonb 
    575        1.1   reinoud 	return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | AUDIO_PROP_FULLDUPLEX;
    576        1.1   reinoud }
    577        1.1   reinoud 
    578        1.1   reinoud 
    579        1.1   reinoud /*
    580        1.1   reinoud  * A dma descriptor has dma->nsegs segments defined in dma->segs set up when
    581        1.1   reinoud  * we claimed the memory.
    582        1.1   reinoud  *
    583        1.1   reinoud  * Due to our demand for one contiguous DMA area, we only have one segment. A
    584        1.1   reinoud  * c_dma structure is about 3 kb for the 256 entries we maximally program
    585        1.1   reinoud  * -arbitrary limit AFAIK- so all is most likely to be in one segment/page
    586        1.1   reinoud  * anyway.
    587        1.1   reinoud  *
    588        1.1   reinoud  * XXX ought to implement fragmented dma area XXX
    589        1.1   reinoud  *
    590        1.1   reinoud  * Note that _v variables depict kernel virtual addresses, _p variables depict
    591        1.1   reinoud  * physical addresses.
    592        1.1   reinoud  */
    593        1.9   thorpej static void
    594        1.3      kent auixp_link_daisychain(struct auixp_softc *sc,
    595        1.1   reinoud 		struct auixp_dma *c_dma, struct auixp_dma *s_dma,
    596        1.1   reinoud 		int blksize, int blocks)
    597        1.1   reinoud {
    598        1.1   reinoud 	atiixp_dma_desc_t *caddr_v, *next_caddr_v;
    599        1.1   reinoud 	uint32_t caddr_p, next_caddr_p, saddr_p;
    600        1.1   reinoud 	int i;
    601        1.1   reinoud 
    602        1.1   reinoud 	/* just make sure we are not changing when its running */
    603        1.1   reinoud 	auixp_disable_dma(sc, c_dma);
    604        1.1   reinoud 
    605        1.1   reinoud 	/* setup dma chain start addresses */
    606        1.1   reinoud 	caddr_v = KERNADDR(c_dma);
    607        1.1   reinoud 	caddr_p = DMAADDR(c_dma);
    608        1.1   reinoud 	saddr_p = DMAADDR(s_dma);
    609        1.1   reinoud 
    610        1.1   reinoud 	/* program the requested number of blocks */
    611        1.1   reinoud 	for (i = 0; i < blocks; i++) {
    612        1.1   reinoud 		/* clear the block just in case */
    613       1.30    cegger 		memset(caddr_v, 0, sizeof(atiixp_dma_desc_t));
    614        1.1   reinoud 
    615        1.1   reinoud 		/* round robin the chain dma addresses for its successor */
    616        1.1   reinoud 		next_caddr_v = caddr_v + 1;
    617        1.1   reinoud 		next_caddr_p = caddr_p + sizeof(atiixp_dma_desc_t);
    618        1.1   reinoud 
    619        1.1   reinoud 		if (i == blocks-1) {
    620        1.1   reinoud 			next_caddr_v = KERNADDR(c_dma);
    621        1.1   reinoud 			next_caddr_p = DMAADDR(c_dma);
    622        1.3      kent 		}
    623        1.1   reinoud 
    624        1.1   reinoud 		/* fill in the hardware dma chain descriptor in little-endian */
    625        1.1   reinoud 		caddr_v->addr   = htole32(saddr_p);
    626        1.1   reinoud 		caddr_v->status = htole16(0);
    627        1.4    simonb 		caddr_v->size   = htole16((blksize >> 2)); /* in dwords (!!!) */
    628        1.1   reinoud 		caddr_v->next   = htole32(next_caddr_p);
    629        1.1   reinoud 
    630        1.1   reinoud 		/* advance slot */
    631        1.4    simonb 		saddr_p += blksize;	/* XXX assuming contiguous XXX */
    632        1.1   reinoud 		caddr_v  = next_caddr_v;
    633        1.1   reinoud 		caddr_p  = next_caddr_p;
    634        1.3      kent 	}
    635        1.1   reinoud }
    636        1.1   reinoud 
    637        1.1   reinoud 
    638        1.9   thorpej static int
    639        1.3      kent auixp_allocate_dma_chain(struct auixp_softc *sc, struct auixp_dma **dmap)
    640        1.3      kent {
    641        1.1   reinoud 	struct auixp_dma *dma;
    642        1.1   reinoud 	int error;
    643        1.1   reinoud 
    644        1.1   reinoud 	/* allocate keeper of dma area */
    645        1.1   reinoud 	*dmap = NULL;
    646  1.34.10.1      yamt 	dma = kmem_zalloc(sizeof(struct auixp_dma), KM_SLEEP);
    647        1.4    simonb 	if (!dma)
    648        1.4    simonb 		return ENOMEM;
    649        1.1   reinoud 
    650        1.1   reinoud 	/* allocate for daisychain of IXP hardware-dma descriptors */
    651        1.4    simonb 	error = auixp_allocmem(sc, DMA_DESC_CHAIN * sizeof(atiixp_dma_desc_t),
    652        1.4    simonb 	    16, dma);
    653        1.1   reinoud 	if (error) {
    654  1.34.10.2      yamt 		aprint_error_dev(sc->sc_dev, "can't malloc dma descriptor chain\n");
    655  1.34.10.1      yamt 		kmem_free(dma, sizeof(*dma));
    656        1.1   reinoud 		return ENOMEM;
    657        1.3      kent 	}
    658        1.1   reinoud 
    659        1.1   reinoud 	/* return info and initialise structure */
    660        1.1   reinoud 	dma->intr    = NULL;
    661        1.1   reinoud 	dma->intrarg = NULL;
    662        1.1   reinoud 
    663        1.1   reinoud 	*dmap = dma;
    664        1.1   reinoud 	return 0;
    665        1.1   reinoud }
    666        1.1   reinoud 
    667        1.1   reinoud 
    668        1.1   reinoud /* program dma chain in it's link address descriptor */
    669        1.9   thorpej static void
    670        1.3      kent auixp_program_dma_chain(struct auixp_softc *sc, struct auixp_dma *dma)
    671        1.3      kent {
    672        1.3      kent 	bus_space_tag_t    iot;
    673        1.3      kent 	bus_space_handle_t ioh;
    674        1.1   reinoud 	uint32_t value;
    675        1.1   reinoud 
    676        1.3      kent 	iot = sc->sc_iot;
    677        1.3      kent 	ioh = sc->sc_ioh;
    678        1.1   reinoud 	/* get hardware start address of DMA chain and set valid-flag in it */
    679       1.23   msaitoh 	/* XXX always at start? XXX */
    680        1.1   reinoud 	value = DMAADDR(dma);
    681        1.1   reinoud 	value = value | ATI_REG_LINKPTR_EN;
    682        1.1   reinoud 
    683        1.1   reinoud 	/* reset linkpointer */
    684        1.1   reinoud 	bus_space_write_4(iot, ioh, dma->linkptr, 0);
    685        1.1   reinoud 
    686        1.1   reinoud 	/* reset this DMA engine */
    687        1.1   reinoud 	auixp_disable_dma(sc, dma);
    688        1.1   reinoud 	auixp_enable_dma(sc, dma);
    689        1.1   reinoud 
    690        1.1   reinoud 	/* program new DMA linkpointer */
    691        1.1   reinoud 	bus_space_write_4(iot, ioh, dma->linkptr, value);
    692        1.1   reinoud }
    693        1.1   reinoud 
    694        1.1   reinoud 
    695        1.1   reinoud /* called from interrupt code to signal end of one dma-slot */
    696        1.9   thorpej static void
    697        1.3      kent auixp_dma_update(struct auixp_softc *sc, struct auixp_dma *dma)
    698        1.3      kent {
    699        1.4    simonb 
    700        1.1   reinoud 	/* be very paranoid */
    701        1.4    simonb 	if (!dma)
    702  1.34.10.2      yamt 		panic("%s: update: dma = NULL", device_xname(sc->sc_dev));
    703        1.4    simonb 	if (!dma->intr)
    704  1.34.10.2      yamt 		panic("%s: update: dma->intr = NULL", device_xname(sc->sc_dev));
    705        1.1   reinoud 
    706        1.1   reinoud 	/* request more input from upper layer */
    707        1.1   reinoud 	(*dma->intr)(dma->intrarg);
    708        1.1   reinoud }
    709        1.1   reinoud 
    710        1.1   reinoud 
    711        1.1   reinoud /*
    712        1.1   reinoud  * The magic `busbusy' bit that needs to be set when dma is active; allowing
    713        1.1   reinoud  * busmastering?
    714        1.1   reinoud  */
    715        1.9   thorpej static void
    716        1.3      kent auixp_update_busbusy(struct auixp_softc *sc)
    717        1.3      kent {
    718        1.3      kent 	bus_space_tag_t    iot;
    719        1.3      kent 	bus_space_handle_t ioh;
    720        1.1   reinoud 	uint32_t value;
    721        1.1   reinoud 	int running;
    722        1.1   reinoud 
    723        1.3      kent 	iot = sc->sc_iot;
    724        1.3      kent 	ioh = sc->sc_ioh;
    725        1.1   reinoud 	/* set bus-busy flag when either recording or playing is performed */
    726        1.1   reinoud 	value  = bus_space_read_4(iot, ioh, ATI_REG_IER);
    727        1.1   reinoud 	value &= ~ATI_REG_IER_SET_BUS_BUSY;
    728        1.1   reinoud 
    729        1.1   reinoud 	running = ((sc->sc_output_dma->running) || (sc->sc_input_dma->running));
    730        1.4    simonb 	if (running)
    731        1.4    simonb 		value |= ATI_REG_IER_SET_BUS_BUSY;
    732        1.1   reinoud 
    733        1.1   reinoud 	bus_space_write_4(iot, ioh, ATI_REG_IER, value);
    734        1.1   reinoud 
    735        1.1   reinoud }
    736        1.1   reinoud 
    737        1.1   reinoud 
    738        1.1   reinoud /*
    739        1.1   reinoud  * Called from upper audio layer to request playing audio, only called once;
    740        1.1   reinoud  * audio is refilled by calling the intr() function when space is available
    741        1.1   reinoud  * again.
    742        1.1   reinoud  */
    743        1.1   reinoud /* XXX allmost literaly a copy of trigger-input; could be factorised XXX */
    744        1.9   thorpej static int
    745        1.3      kent auixp_trigger_output(void *hdl, void *start, void *end, int blksize,
    746       1.21  christos     void (*intr)(void *), void *intrarg, const audio_params_t *param)
    747        1.3      kent {
    748        1.3      kent 	struct auixp_codec *co;
    749        1.3      kent 	struct auixp_softc *sc;
    750        1.3      kent 	struct auixp_dma   *chain_dma;
    751        1.1   reinoud 	struct auixp_dma   *sound_dma;
    752        1.1   reinoud 	uint32_t blocks;
    753        1.1   reinoud 
    754        1.3      kent 	co = (struct auixp_codec *) hdl;
    755        1.3      kent 	sc = co->sc;
    756        1.3      kent 	chain_dma = sc->sc_output_dma;
    757        1.1   reinoud 	/* add functions to call back */
    758        1.1   reinoud 	chain_dma->intr    = intr;
    759        1.1   reinoud 	chain_dma->intrarg = intrarg;
    760        1.1   reinoud 
    761        1.1   reinoud 	/*
    762        1.1   reinoud 	 * Program output DMA chain with blocks from [start...end] with
    763        1.1   reinoud 	 * blksize fragments.
    764        1.1   reinoud 	 *
    765        1.1   reinoud 	 * NOTE, we can assume its in one block since we asked for it to be in
    766        1.1   reinoud 	 * one contiguous blob; XXX change this? XXX
    767        1.1   reinoud 	 */
    768       1.22  christos 	blocks = (size_t) (((char *) end) - ((char *) start)) / blksize;
    769        1.1   reinoud 
    770        1.1   reinoud 	/* lookup `start' address in our list of DMA area's */
    771        1.1   reinoud 	SLIST_FOREACH(sound_dma, &sc->sc_dma_list, dma_chain) {
    772        1.4    simonb 		if (KERNADDR(sound_dma) == start)
    773        1.4    simonb 			break;
    774        1.3      kent 	}
    775        1.1   reinoud 
    776        1.1   reinoud 	/* not ours ? then bail out */
    777        1.1   reinoud 	if (!sound_dma) {
    778        1.5      fvdl 		printf("%s: auixp_trigger_output: bad sound addr %p\n",
    779  1.34.10.2      yamt 		    device_xname(sc->sc_dev), start);
    780        1.1   reinoud 		return EINVAL;
    781        1.1   reinoud 	}
    782        1.1   reinoud 
    783        1.1   reinoud 	/* link round-robin daisychain and program hardware */
    784        1.1   reinoud 	auixp_link_daisychain(sc, chain_dma, sound_dma, blksize, blocks);
    785        1.1   reinoud 	auixp_program_dma_chain(sc, chain_dma);
    786        1.1   reinoud 
    787        1.1   reinoud 	/* mark we are now able to run now */
    788        1.1   reinoud 	chain_dma->running = 1;
    789        1.1   reinoud 
    790        1.1   reinoud 	/* update bus-flags; XXX programs more flags XXX */
    791        1.1   reinoud 	auixp_update_busbusy(sc);
    792        1.1   reinoud 
    793        1.1   reinoud 	/* callbacks happen in interrupt routine */
    794        1.1   reinoud 	return 0;
    795        1.1   reinoud }
    796        1.1   reinoud 
    797        1.1   reinoud 
    798        1.1   reinoud /* halt output of audio, just disable it's dma and update bus state */
    799        1.9   thorpej static int
    800        1.3      kent auixp_halt_output(void *hdl)
    801        1.3      kent {
    802        1.3      kent 	struct auixp_codec *co;
    803        1.3      kent 	struct auixp_softc *sc;
    804        1.3      kent 	struct auixp_dma   *dma;
    805        1.3      kent 
    806        1.3      kent 	co  = (struct auixp_codec *) hdl;
    807        1.3      kent 	sc  = co->sc;
    808        1.3      kent 	dma = sc->sc_output_dma;
    809        1.1   reinoud 	auixp_disable_dma(sc, dma);
    810        1.1   reinoud 
    811        1.1   reinoud 	dma->running = 0;
    812        1.1   reinoud 	auixp_update_busbusy(sc);
    813        1.1   reinoud 
    814        1.1   reinoud 	return 0;
    815        1.1   reinoud }
    816        1.1   reinoud 
    817        1.1   reinoud 
    818        1.1   reinoud /* XXX allmost literaly a copy of trigger-output; could be factorised XXX */
    819        1.9   thorpej static int
    820        1.3      kent auixp_trigger_input(void *hdl, void *start, void *end, int blksize,
    821       1.21  christos     void (*intr)(void *), void *intrarg, const audio_params_t *param)
    822        1.3      kent {
    823        1.3      kent 	struct auixp_codec *co;
    824        1.3      kent 	struct auixp_softc *sc;
    825        1.3      kent 	struct auixp_dma   *chain_dma;
    826        1.1   reinoud 	struct auixp_dma   *sound_dma;
    827        1.1   reinoud 	uint32_t blocks;
    828        1.1   reinoud 
    829        1.3      kent 	co = (struct auixp_codec *) hdl;
    830        1.3      kent 	sc = co->sc;
    831        1.3      kent 	chain_dma = sc->sc_input_dma;
    832        1.1   reinoud 	/* add functions to call back */
    833        1.1   reinoud 	chain_dma->intr    = intr;
    834        1.1   reinoud 	chain_dma->intrarg = intrarg;
    835        1.1   reinoud 
    836        1.1   reinoud 	/*
    837        1.1   reinoud 	 * Program output DMA chain with blocks from [start...end] with
    838        1.1   reinoud 	 * blksize fragments.
    839        1.1   reinoud 	 *
    840        1.1   reinoud 	 * NOTE, we can assume its in one block since we asked for it to be in
    841        1.1   reinoud 	 * one contiguous blob; XXX change this? XXX
    842        1.1   reinoud 	 */
    843       1.22  christos 	blocks = (size_t) (((char *) end) - ((char *) start)) / blksize;
    844        1.1   reinoud 
    845        1.1   reinoud 	/* lookup `start' address in our list of DMA area's */
    846        1.1   reinoud 	SLIST_FOREACH(sound_dma, &sc->sc_dma_list, dma_chain) {
    847        1.4    simonb 		if (KERNADDR(sound_dma) == start)
    848        1.4    simonb 			break;
    849        1.3      kent 	}
    850        1.1   reinoud 
    851        1.1   reinoud 	/* not ours ? then bail out */
    852        1.1   reinoud 	if (!sound_dma) {
    853        1.5      fvdl 		printf("%s: auixp_trigger_input: bad sound addr %p\n",
    854  1.34.10.2      yamt 		    device_xname(sc->sc_dev), start);
    855        1.1   reinoud 		return EINVAL;
    856        1.1   reinoud 	}
    857        1.1   reinoud 
    858        1.1   reinoud 	/* link round-robin daisychain and program hardware */
    859        1.1   reinoud 	auixp_link_daisychain(sc, chain_dma, sound_dma, blksize, blocks);
    860        1.1   reinoud 	auixp_program_dma_chain(sc, chain_dma);
    861        1.1   reinoud 
    862        1.1   reinoud 	/* mark we are now able to run now */
    863        1.1   reinoud 	chain_dma->running = 1;
    864        1.1   reinoud 
    865        1.1   reinoud 	/* update bus-flags; XXX programs more flags XXX */
    866        1.1   reinoud 	auixp_update_busbusy(sc);
    867        1.1   reinoud 
    868        1.1   reinoud 	/* callbacks happen in interrupt routine */
    869        1.1   reinoud 	return 0;
    870        1.1   reinoud }
    871        1.1   reinoud 
    872        1.1   reinoud 
    873        1.1   reinoud /* halt sampling audio, just disable it's dma and update bus state */
    874        1.9   thorpej static int
    875        1.3      kent auixp_halt_input(void *hdl)
    876        1.3      kent {
    877        1.3      kent 	struct auixp_codec *co;
    878        1.3      kent 	struct auixp_softc *sc;
    879        1.3      kent 	struct auixp_dma   *dma;
    880        1.3      kent 
    881        1.3      kent 	co = (struct auixp_codec *) hdl;
    882        1.3      kent 	sc = co->sc;
    883       1.11   reinoud 	dma = sc->sc_input_dma;
    884        1.1   reinoud 	auixp_disable_dma(sc, dma);
    885        1.1   reinoud 
    886        1.1   reinoud 	dma->running = 0;
    887        1.1   reinoud 	auixp_update_busbusy(sc);
    888        1.1   reinoud 
    889        1.1   reinoud 	return 0;
    890        1.1   reinoud }
    891        1.1   reinoud 
    892        1.1   reinoud 
    893        1.1   reinoud /*
    894        1.1   reinoud  * IXP audio interrupt handler
    895        1.1   reinoud  *
    896        1.1   reinoud  * note that we return the number of bits handled; the return value is not
    897        1.1   reinoud  * documentated but i saw it implemented in other drivers. Prolly returning a
    898        1.1   reinoud  * value > 0 means "i've dealt with it"
    899        1.1   reinoud  *
    900        1.1   reinoud  */
    901        1.9   thorpej static int
    902        1.3      kent auixp_intr(void *softc)
    903        1.3      kent {
    904        1.3      kent 	struct auixp_softc *sc;
    905        1.3      kent 	bus_space_tag_t    iot;
    906        1.3      kent 	bus_space_handle_t ioh;
    907        1.1   reinoud 	uint32_t status, enable, detected_codecs;
    908        1.3      kent 	int ret;
    909        1.1   reinoud 
    910        1.3      kent 	sc = softc;
    911  1.34.10.1      yamt 	mutex_spin_enter(&sc->sc_intr_lock);
    912  1.34.10.1      yamt 
    913        1.3      kent 	iot = sc->sc_iot;
    914        1.3      kent 	ioh = sc->sc_ioh;
    915        1.3      kent 	ret = 0;
    916        1.1   reinoud 	/* get status from the interrupt status register */
    917        1.1   reinoud 	status = bus_space_read_4(iot, ioh, ATI_REG_ISR);
    918        1.1   reinoud 
    919  1.34.10.1      yamt 	if (status == 0) {
    920  1.34.10.1      yamt 		mutex_spin_exit(&sc->sc_intr_lock);
    921        1.5      fvdl 		return 0;
    922  1.34.10.1      yamt 	}
    923        1.1   reinoud 
    924  1.34.10.2      yamt 	DPRINTF(("%s: (status = %x)\n", device_xname(sc->sc_dev), status));
    925        1.1   reinoud 
    926        1.1   reinoud 	/* check DMA UPDATE flags for input & output */
    927        1.1   reinoud 	if (status & ATI_REG_ISR_IN_STATUS) {
    928        1.1   reinoud 		ret++; DPRINTF(("IN_STATUS\n"));
    929        1.1   reinoud 		auixp_dma_update(sc, sc->sc_input_dma);
    930        1.3      kent 	}
    931        1.1   reinoud 	if (status & ATI_REG_ISR_OUT_STATUS) {
    932        1.1   reinoud 		ret++; DPRINTF(("OUT_STATUS\n"));
    933        1.1   reinoud 		auixp_dma_update(sc, sc->sc_output_dma);
    934        1.3      kent 	}
    935        1.1   reinoud 
    936        1.1   reinoud 	/* XXX XRUN flags not used/needed yet; should i implement it? XXX */
    937        1.1   reinoud 	/* acknowledge the interrupts nevertheless */
    938        1.1   reinoud 	if (status & ATI_REG_ISR_IN_XRUN) {
    939        1.1   reinoud 		ret++; DPRINTF(("IN_XRUN\n"));
    940        1.1   reinoud 		/* auixp_dma_xrun(sc, sc->sc_input_dma);  */
    941        1.3      kent 	}
    942        1.1   reinoud 	if (status & ATI_REG_ISR_OUT_XRUN) {
    943        1.1   reinoud 		ret++; DPRINTF(("OUT_XRUN\n"));
    944        1.1   reinoud 		/* auixp_dma_xrun(sc, sc->sc_output_dma); */
    945        1.3      kent 	}
    946        1.1   reinoud 
    947        1.1   reinoud 	/* check if we are looking for codec detection */
    948        1.1   reinoud 	if (status & CODEC_CHECK_BITS) {
    949        1.1   reinoud 		ret++;
    950        1.1   reinoud 		/* mark missing codecs as not ready */
    951        1.1   reinoud 		detected_codecs = status & CODEC_CHECK_BITS;
    952        1.1   reinoud 		sc->sc_codec_not_ready_bits |= detected_codecs;
    953        1.1   reinoud 
    954       1.29   msaitoh 		/* disable detected interrupt sources */
    955        1.1   reinoud 		enable  = bus_space_read_4(iot, ioh, ATI_REG_IER);
    956        1.1   reinoud 		enable &= ~detected_codecs;
    957        1.1   reinoud 		bus_space_write_4(iot, ioh, ATI_REG_IER, enable);
    958        1.3      kent 	}
    959        1.1   reinoud 
    960        1.1   reinoud 	/* acknowledge interrupt sources */
    961        1.1   reinoud 	bus_space_write_4(iot, ioh, ATI_REG_ISR, status);
    962        1.3      kent 
    963  1.34.10.1      yamt 	mutex_spin_exit(&sc->sc_intr_lock);
    964        1.1   reinoud 	return ret;
    965        1.1   reinoud }
    966        1.1   reinoud 
    967        1.1   reinoud 
    968        1.1   reinoud /* allocate memory for dma purposes; on failure of any of the steps, roll back */
    969        1.9   thorpej static int
    970        1.3      kent auixp_allocmem(struct auixp_softc *sc, size_t size,
    971        1.3      kent 	       size_t align, struct auixp_dma *dma)
    972        1.3      kent {
    973        1.1   reinoud 	int error;
    974        1.1   reinoud 
    975        1.1   reinoud 	/* remember size */
    976        1.1   reinoud 	dma->size = size;
    977        1.1   reinoud 
    978        1.1   reinoud 	/* allocate DMA safe memory but in just one segment for now :( */
    979        1.1   reinoud 	error = bus_dmamem_alloc(sc->sc_dmat, dma->size, align, 0,
    980        1.4    simonb 	    dma->segs, sizeof(dma->segs) / sizeof(dma->segs[0]), &dma->nsegs,
    981  1.34.10.1      yamt 	    BUS_DMA_WAITOK);
    982        1.4    simonb 	if (error)
    983        1.4    simonb 		return error;
    984        1.1   reinoud 
    985        1.1   reinoud 	/*
    986        1.1   reinoud 	 * map allocated memory into kernel virtual address space and keep it
    987        1.1   reinoud 	 * coherent with the CPU.
    988        1.1   reinoud 	 */
    989        1.1   reinoud 	error = bus_dmamem_map(sc->sc_dmat, dma->segs, dma->nsegs, dma->size,
    990  1.34.10.1      yamt 				&dma->addr, BUS_DMA_WAITOK | BUS_DMA_COHERENT);
    991        1.4    simonb 	if (error)
    992        1.4    simonb 		goto free;
    993        1.1   reinoud 
    994        1.1   reinoud 	/* allocate associated dma handle and initialize it. */
    995        1.1   reinoud 	error = bus_dmamap_create(sc->sc_dmat, dma->size, 1, dma->size, 0,
    996  1.34.10.1      yamt 				  BUS_DMA_WAITOK, &dma->map);
    997        1.4    simonb 	if (error)
    998        1.4    simonb 		goto unmap;
    999        1.1   reinoud 
   1000        1.1   reinoud 	/*
   1001        1.1   reinoud 	 * load the dma handle with mappings for a dma transfer; all pages
   1002        1.1   reinoud 	 * need to be wired.
   1003        1.1   reinoud 	 */
   1004        1.1   reinoud 	error = bus_dmamap_load(sc->sc_dmat, dma->map, dma->addr, dma->size, NULL,
   1005  1.34.10.1      yamt 				BUS_DMA_WAITOK);
   1006        1.4    simonb 	if (error)
   1007        1.4    simonb 		goto destroy;
   1008        1.1   reinoud 
   1009        1.3      kent 	return 0;
   1010        1.1   reinoud 
   1011        1.1   reinoud destroy:
   1012        1.1   reinoud 	bus_dmamap_destroy(sc->sc_dmat, dma->map);
   1013        1.1   reinoud unmap:
   1014        1.1   reinoud 	bus_dmamem_unmap(sc->sc_dmat, dma->addr, dma->size);
   1015        1.1   reinoud free:
   1016        1.1   reinoud 	bus_dmamem_free(sc->sc_dmat, dma->segs, dma->nsegs);
   1017        1.1   reinoud 
   1018        1.3      kent 	return error;
   1019        1.1   reinoud }
   1020        1.1   reinoud 
   1021        1.1   reinoud 
   1022        1.1   reinoud /* undo dma mapping and release memory allocated */
   1023        1.9   thorpej static int
   1024        1.3      kent auixp_freemem(struct auixp_softc *sc, struct auixp_dma *p)
   1025        1.3      kent {
   1026        1.1   reinoud 
   1027        1.1   reinoud 	bus_dmamap_unload(sc->sc_dmat, p->map);
   1028        1.1   reinoud 	bus_dmamap_destroy(sc->sc_dmat, p->map);
   1029        1.1   reinoud 	bus_dmamem_unmap(sc->sc_dmat, p->addr, p->size);
   1030        1.1   reinoud 	bus_dmamem_free(sc->sc_dmat, p->segs, p->nsegs);
   1031        1.1   reinoud 
   1032        1.3      kent 	return 0;
   1033        1.1   reinoud }
   1034        1.1   reinoud 
   1035        1.1   reinoud 
   1036        1.1   reinoud /* memory map dma memory */
   1037        1.9   thorpej static paddr_t
   1038        1.3      kent auixp_mappage(void *hdl, void *mem, off_t off, int prot)
   1039        1.3      kent {
   1040        1.3      kent 	struct auixp_codec *co;
   1041        1.3      kent 	struct auixp_softc *sc;
   1042        1.1   reinoud 	struct auixp_dma *p;
   1043        1.1   reinoud 
   1044        1.3      kent 	co = (struct auixp_codec *) hdl;
   1045        1.3      kent 	sc  = co->sc;
   1046        1.1   reinoud 	/* for sanity */
   1047        1.4    simonb 	if (off < 0)
   1048        1.4    simonb 		return -1;
   1049        1.1   reinoud 
   1050        1.1   reinoud 	/* look up allocated DMA area */
   1051        1.1   reinoud 	SLIST_FOREACH(p, &sc->sc_dma_list, dma_chain) {
   1052        1.4    simonb 		if (KERNADDR(p) == mem)
   1053        1.4    simonb 			break;
   1054        1.3      kent 	}
   1055        1.1   reinoud 
   1056        1.1   reinoud 	/* have we found it ? */
   1057        1.4    simonb 	if (!p)
   1058        1.4    simonb 		return -1;
   1059        1.1   reinoud 
   1060        1.1   reinoud 	/* return mmap'd region */
   1061        1.3      kent 	return bus_dmamem_mmap(sc->sc_dmat, p->segs, p->nsegs,
   1062        1.3      kent 			       off, prot, BUS_DMA_WAITOK);
   1063        1.1   reinoud }
   1064        1.1   reinoud 
   1065        1.1   reinoud 
   1066        1.1   reinoud /*
   1067        1.1   reinoud  * Attachment section
   1068        1.1   reinoud  */
   1069        1.1   reinoud 
   1070        1.1   reinoud /* Is it my hardware? */
   1071        1.9   thorpej static int
   1072       1.31    cegger auixp_match(device_t dev, cfdata_t match, void *aux)
   1073        1.3      kent {
   1074        1.3      kent 	struct pci_attach_args *pa;
   1075        1.1   reinoud 
   1076        1.3      kent 	pa = (struct pci_attach_args *)aux;
   1077        1.1   reinoud 	switch(PCI_VENDOR(pa->pa_id)) {
   1078        1.1   reinoud 	case PCI_VENDOR_ATI:
   1079        1.1   reinoud 		switch(PCI_PRODUCT(pa->pa_id)) {
   1080        1.1   reinoud 		case PCI_PRODUCT_ATI_IXP_AUDIO_200:
   1081        1.1   reinoud 		case PCI_PRODUCT_ATI_IXP_AUDIO_300:
   1082        1.1   reinoud 		case PCI_PRODUCT_ATI_IXP_AUDIO_400:
   1083        1.3      kent 			return 1;
   1084        1.1   reinoud 		}
   1085        1.1   reinoud 	}
   1086        1.1   reinoud 
   1087        1.3      kent 	return 0;
   1088        1.1   reinoud }
   1089        1.1   reinoud 
   1090        1.1   reinoud 
   1091        1.1   reinoud /* it is... now hook up and set up the resources we need */
   1092        1.9   thorpej static void
   1093       1.27    dyoung auixp_attach(device_t parent, device_t self, void *aux)
   1094        1.3      kent {
   1095        1.3      kent 	struct auixp_softc *sc;
   1096        1.3      kent 	struct pci_attach_args *pa;
   1097        1.3      kent 	pcitag_t tag;
   1098        1.3      kent 	pci_chipset_tag_t pc;
   1099        1.1   reinoud 	pci_intr_handle_t ih;
   1100        1.9   thorpej 	const struct auixp_card_type *card;
   1101        1.1   reinoud 	const char *intrstr;
   1102        1.1   reinoud 	uint32_t data;
   1103  1.34.10.1      yamt 	int error;
   1104        1.1   reinoud 
   1105       1.27    dyoung 	sc = device_private(self);
   1106  1.34.10.2      yamt 	sc->sc_dev = self;
   1107        1.3      kent 	pa = (struct pci_attach_args *)aux;
   1108        1.3      kent 	tag = pa->pa_tag;
   1109        1.3      kent 	pc = pa->pa_pc;
   1110        1.1   reinoud #ifdef DEBUG_AUIXP
   1111        1.3      kent 	static_sc = sc;
   1112        1.1   reinoud #endif
   1113        1.1   reinoud 
   1114        1.1   reinoud 	/* print information confirming attachment */
   1115  1.34.10.1      yamt 	pci_aprint_devinfo(pa, "Audio controller");
   1116        1.1   reinoud 
   1117        1.1   reinoud 	/* set up details from our set of known `cards'/chips */
   1118        1.1   reinoud 	for (card = auixp_card_types; card->pci_vendor_id; card++)
   1119        1.1   reinoud 		if (PCI_VENDOR(pa->pa_id) == card->pci_vendor_id &&
   1120        1.1   reinoud 		    PCI_PRODUCT(pa->pa_id) == card->pci_product_id) {
   1121        1.1   reinoud 			sc->type = card->type;
   1122        1.1   reinoud 			break;
   1123        1.1   reinoud 		}
   1124        1.1   reinoud 
   1125        1.1   reinoud 	/* device only has 32 bit non prefetchable memory		*/
   1126        1.1   reinoud 	/* set MEM space access and enable the card's busmastering	*/
   1127        1.1   reinoud 	data = pci_conf_read(pc, tag, PCI_COMMAND_STATUS_REG);
   1128        1.1   reinoud 	data |= (PCI_COMMAND_MEM_ENABLE | PCI_COMMAND_MASTER_ENABLE);
   1129        1.1   reinoud 	pci_conf_write(pc, tag, PCI_COMMAND_STATUS_REG, data);
   1130        1.1   reinoud 
   1131        1.1   reinoud 	/* map memory; its not sized -> what is the size? max PCI slot size? */
   1132        1.1   reinoud 	if (pci_mapreg_map(pa, PCI_CBIO, PCI_MAPREG_TYPE_MEM, 0,
   1133        1.1   reinoud 	    &sc->sc_iot, &sc->sc_ioh, &sc->sc_iob, &sc->sc_ios)) {
   1134  1.34.10.2      yamt 		aprint_error_dev(sc->sc_dev, "can't map memory space\n");
   1135        1.1   reinoud 		return;
   1136        1.1   reinoud 	}
   1137        1.1   reinoud 
   1138        1.1   reinoud 	/* Initialize softc */
   1139        1.1   reinoud 	sc->sc_tag = tag;
   1140        1.1   reinoud 	sc->sc_pct = pc;
   1141        1.1   reinoud 	sc->sc_dmat = pa->pa_dmat;
   1142        1.1   reinoud 	SLIST_INIT(&sc->sc_dma_list);
   1143        1.1   reinoud 
   1144        1.1   reinoud 	/* get us the auixp_dma structures */
   1145        1.1   reinoud 	auixp_allocate_dma_chain(sc, &sc->sc_output_dma);
   1146        1.1   reinoud 	auixp_allocate_dma_chain(sc, &sc->sc_input_dma);
   1147        1.1   reinoud 
   1148        1.1   reinoud 	/* when that fails we are dead in the water */
   1149        1.4    simonb 	if (!sc->sc_output_dma || !sc->sc_input_dma)
   1150        1.4    simonb 		return;
   1151        1.1   reinoud 
   1152        1.1   reinoud #if 0
   1153        1.1   reinoud 	/* could preliminary program DMA chain */
   1154        1.1   reinoud 	auixp_program_dma_chain(sc, sc->sc_output_dma);
   1155        1.1   reinoud 	auixp_program_dma_chain(sc, sc->sc_input_dma);
   1156        1.1   reinoud #endif
   1157        1.1   reinoud 
   1158        1.1   reinoud 	/* map interrupt on the pci bus */
   1159        1.1   reinoud 	if (pci_intr_map(pa, &ih)) {
   1160  1.34.10.2      yamt 		aprint_error_dev(sc->sc_dev, "can't map interrupt\n");
   1161        1.1   reinoud 		return;
   1162        1.1   reinoud 	}
   1163        1.1   reinoud 
   1164        1.1   reinoud 	/* where are we connected at ? */
   1165        1.1   reinoud 	intrstr = pci_intr_string(pc, ih);
   1166        1.1   reinoud 
   1167  1.34.10.1      yamt 	mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
   1168  1.34.10.1      yamt 	mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
   1169  1.34.10.1      yamt 
   1170        1.1   reinoud 	/* establish interrupt routine hookup at IPL_AUDIO level */
   1171        1.1   reinoud 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO, auixp_intr, self);
   1172        1.1   reinoud 	if (sc->sc_ih == NULL) {
   1173  1.34.10.2      yamt 		aprint_error_dev(sc->sc_dev, "can't establish interrupt");
   1174        1.1   reinoud 		if (intrstr != NULL)
   1175       1.32     njoly 			aprint_error(" at %s", intrstr);
   1176       1.32     njoly 		aprint_error("\n");
   1177        1.1   reinoud 		return;
   1178        1.1   reinoud 	}
   1179  1.34.10.2      yamt 	aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr);
   1180        1.1   reinoud 
   1181        1.1   reinoud 	/* power up chip */
   1182       1.27    dyoung 	if ((error = pci_activate(pa->pa_pc, pa->pa_tag, self,
   1183       1.14  christos 	    pci_activate_null)) && error != EOPNOTSUPP) {
   1184  1.34.10.2      yamt 		aprint_error_dev(sc->sc_dev, "cannot activate %d\n",
   1185       1.14  christos 		    error);
   1186       1.14  christos 		return;
   1187       1.14  christos 	}
   1188        1.1   reinoud 
   1189        1.1   reinoud 	/* init chip */
   1190        1.1   reinoud 	if (auixp_init(sc) == -1) {
   1191  1.34.10.2      yamt 		aprint_error_dev(sc->sc_dev, "auixp_attach: unable to initialize the card\n");
   1192        1.1   reinoud 		return;
   1193        1.1   reinoud 	}
   1194        1.1   reinoud 
   1195       1.25  jmcneill 	if (!pmf_device_register(self, NULL, auixp_resume))
   1196       1.25  jmcneill 		aprint_error_dev(self, "couldn't establish power handler\n");
   1197        1.1   reinoud 
   1198        1.1   reinoud 	/*
   1199        1.1   reinoud 	 * delay further configuration of codecs and audio after interrupts
   1200        1.1   reinoud 	 * are enabled.
   1201        1.1   reinoud 	 */
   1202        1.1   reinoud 	config_interrupts(self, auixp_post_config);
   1203        1.1   reinoud }
   1204        1.1   reinoud 
   1205        1.1   reinoud 
   1206        1.1   reinoud /* called from autoconfigure system when interrupts are enabled */
   1207        1.9   thorpej static void
   1208       1.27    dyoung auixp_post_config(device_t self)
   1209        1.3      kent {
   1210        1.3      kent 	struct auixp_softc *sc;
   1211        1.1   reinoud 	struct auixp_codec *codec;
   1212        1.1   reinoud 	int codec_nr;
   1213        1.1   reinoud 	int res, i;
   1214        1.1   reinoud 
   1215       1.27    dyoung 	sc = device_private(self);
   1216        1.1   reinoud 	/* detect the AC97 codecs */
   1217        1.1   reinoud 	auixp_autodetect_codecs(sc);
   1218        1.1   reinoud 
   1219        1.1   reinoud 	/* setup audio translation formats : following codec0 (!) */
   1220        1.1   reinoud 	codec = &sc->sc_codec[0];
   1221        1.1   reinoud 	if (!codec->present) {
   1222        1.1   reinoud 		/* nothing??? then invalidate all formats */
   1223        1.1   reinoud 		for (i = 0; i < AUIXP_NFORMATS; i++) {
   1224        1.1   reinoud 			AUFMT_INVALIDATE(&sc->sc_formats[i]);
   1225        1.3      kent 		}
   1226        1.1   reinoud 		return;
   1227        1.3      kent 	}
   1228        1.1   reinoud 
   1229        1.1   reinoud 	/* copy formats and invalidate entries not suitable for codec0 */
   1230        1.1   reinoud 	memcpy(sc->sc_formats, auixp_formats, sizeof(auixp_formats));
   1231  1.34.10.1      yamt 	mutex_enter(&sc->sc_lock);
   1232        1.1   reinoud 	sc->has_4ch   = AC97_IS_4CH(codec->codec_if);
   1233        1.1   reinoud 	sc->has_6ch   = AC97_IS_6CH(codec->codec_if);
   1234        1.1   reinoud 	sc->is_fixed  = AC97_IS_FIXED_RATE(codec->codec_if);
   1235        1.1   reinoud 	sc->has_spdif = AC97_HAS_SPDIF(codec->codec_if);
   1236  1.34.10.1      yamt 	mutex_exit(&sc->sc_lock);
   1237        1.1   reinoud 
   1238        1.1   reinoud 	for (i = 0; i < AUIXP_NFORMATS; i++) {
   1239        1.1   reinoud 		if (sc->is_fixed) {
   1240        1.1   reinoud 			sc->sc_formats[i].frequency_type = 1;
   1241        1.1   reinoud 			sc->sc_formats[i].frequency[0]   = 48000;
   1242        1.3      kent 		}
   1243        1.1   reinoud 		switch (sc->sc_formats[i].channels) {
   1244        1.1   reinoud 		case 4 :
   1245        1.4    simonb 			if (sc->has_4ch)
   1246        1.4    simonb 				break;
   1247        1.1   reinoud 			AUFMT_INVALIDATE(&sc->sc_formats[i]);
   1248        1.1   reinoud 			break;
   1249        1.1   reinoud 		case 6 :
   1250        1.4    simonb 			if (sc->has_6ch)
   1251        1.4    simonb 				break;
   1252        1.1   reinoud 			AUFMT_INVALIDATE(&sc->sc_formats[i]);
   1253        1.1   reinoud 			break;
   1254        1.1   reinoud 		default :
   1255        1.1   reinoud 			break;
   1256        1.3      kent 		}
   1257        1.1   reinoud 	}
   1258        1.1   reinoud 
   1259        1.4    simonb 	/*
   1260        1.4    simonb 	 * Create all encodings (and/or -translations) based on the formats
   1261        1.4    simonb 	 * supported. */
   1262        1.4    simonb 	res = auconv_create_encodings(sc->sc_formats, AUIXP_NFORMATS,
   1263        1.4    simonb 	    &sc->sc_encodings);
   1264        1.1   reinoud 	if (res) {
   1265        1.5      fvdl 		printf("%s: auconv_create_encodings failed; "
   1266  1.34.10.2      yamt 		    "no attachments\n", device_xname(sc->sc_dev));
   1267        1.1   reinoud 		return;
   1268        1.3      kent 	}
   1269        1.1   reinoud 
   1270       1.17   reinoud 	if (sc->has_spdif) {
   1271  1.34.10.2      yamt 		aprint_normal_dev(sc->sc_dev, "codec spdif support detected but disabled "
   1272       1.28    cegger 		    "for now\n");
   1273       1.17   reinoud 		sc->has_spdif = 0;
   1274       1.17   reinoud 	}
   1275       1.17   reinoud 
   1276       1.17   reinoud 	/* fill in the missing details about the dma channels. */
   1277       1.17   reinoud 	/* for output */
   1278       1.17   reinoud 	sc->sc_output_dma->linkptr        = ATI_REG_OUT_DMA_LINKPTR;
   1279       1.17   reinoud 	sc->sc_output_dma->dma_enable_bit = ATI_REG_CMD_OUT_DMA_EN |
   1280       1.17   reinoud 					    ATI_REG_CMD_SEND_EN;
   1281       1.17   reinoud 	/* have spdif? then this too! XXX not seeing LED yet! XXX */
   1282       1.17   reinoud 	if (sc->has_spdif)
   1283       1.17   reinoud 		sc->sc_output_dma->dma_enable_bit |= ATI_REG_CMD_SPDF_OUT_EN;
   1284       1.17   reinoud 
   1285       1.17   reinoud 	/* and for input */
   1286       1.17   reinoud 	sc->sc_input_dma->linkptr         = ATI_REG_IN_DMA_LINKPTR;
   1287       1.17   reinoud 	sc->sc_input_dma->dma_enable_bit  = ATI_REG_CMD_IN_DMA_EN  |
   1288       1.17   reinoud 					    ATI_REG_CMD_RECEIVE_EN;
   1289       1.17   reinoud 
   1290  1.34.10.1      yamt 	/* attach audio devices for all detected codecs */
   1291  1.34.10.1      yamt 	/* XXX wise? look at other multiple-codec able chipsets XXX */
   1292  1.34.10.1      yamt 	for (codec_nr = 0; codec_nr < ATI_IXP_CODECS; codec_nr++) {
   1293  1.34.10.1      yamt 		codec = &sc->sc_codec[codec_nr];
   1294  1.34.10.1      yamt 		if (codec->present)
   1295  1.34.10.2      yamt 			audio_attach_mi(&auixp_hw_if, codec, sc->sc_dev);
   1296  1.34.10.1      yamt 	}
   1297  1.34.10.1      yamt 
   1298        1.1   reinoud 	/* done! now enable all interrupts we can service */
   1299        1.1   reinoud 	auixp_enable_interrupts(sc);
   1300        1.3      kent }
   1301        1.1   reinoud 
   1302        1.9   thorpej static void
   1303        1.3      kent auixp_enable_interrupts(struct auixp_softc *sc)
   1304        1.3      kent {
   1305        1.3      kent 	bus_space_tag_t     iot;
   1306        1.3      kent 	bus_space_handle_t  ioh;
   1307        1.1   reinoud 	uint32_t value;
   1308        1.1   reinoud 
   1309        1.3      kent 	iot = sc->sc_iot;
   1310        1.3      kent 	ioh = sc->sc_ioh;
   1311  1.34.10.1      yamt 
   1312  1.34.10.1      yamt 	mutex_spin_enter(&sc->sc_intr_lock);
   1313  1.34.10.1      yamt 
   1314        1.1   reinoud 	/* clear all pending */
   1315        1.1   reinoud 	bus_space_write_4(iot, ioh, ATI_REG_ISR, 0xffffffff);
   1316        1.1   reinoud 
   1317        1.1   reinoud 	/* enable all relevant interrupt sources we can handle */
   1318        1.1   reinoud 	value = bus_space_read_4(iot, ioh, ATI_REG_IER);
   1319        1.1   reinoud 
   1320        1.1   reinoud 	value |= ATI_REG_IER_IO_STATUS_EN;
   1321        1.1   reinoud #ifdef notyet
   1322        1.1   reinoud 	value |= ATI_REG_IER_IN_XRUN_EN;
   1323        1.1   reinoud 	value |= ATI_REG_IER_OUT_XRUN_EN;
   1324        1.1   reinoud 
   1325        1.1   reinoud 	value |= ATI_REG_IER_SPDIF_XRUN_EN;
   1326        1.1   reinoud 	value |= ATI_REG_IER_SPDF_STATUS_EN;
   1327        1.1   reinoud #endif
   1328        1.1   reinoud 
   1329        1.1   reinoud 	bus_space_write_4(iot, ioh, ATI_REG_IER, value);
   1330  1.34.10.1      yamt 
   1331  1.34.10.1      yamt 	mutex_spin_exit(&sc->sc_intr_lock);
   1332        1.1   reinoud }
   1333        1.1   reinoud 
   1334        1.1   reinoud 
   1335        1.9   thorpej static void
   1336        1.3      kent auixp_disable_interrupts(struct auixp_softc *sc)
   1337        1.3      kent {
   1338        1.3      kent 	bus_space_tag_t     iot;
   1339        1.3      kent 	bus_space_handle_t  ioh;
   1340        1.1   reinoud 
   1341        1.3      kent 	iot = sc->sc_iot;
   1342        1.3      kent 	ioh = sc->sc_ioh;
   1343  1.34.10.1      yamt 
   1344  1.34.10.1      yamt 	mutex_spin_enter(&sc->sc_intr_lock);
   1345  1.34.10.1      yamt 
   1346        1.1   reinoud 	/* disable all interrupt sources */
   1347        1.1   reinoud 	bus_space_write_4(iot, ioh, ATI_REG_IER, 0);
   1348        1.1   reinoud 
   1349        1.1   reinoud 	/* clear all pending */
   1350        1.1   reinoud 	bus_space_write_4(iot, ioh, ATI_REG_ISR, 0xffffffff);
   1351  1.34.10.1      yamt 
   1352  1.34.10.1      yamt 	mutex_spin_exit(&sc->sc_intr_lock);
   1353        1.1   reinoud }
   1354        1.1   reinoud 
   1355        1.1   reinoud 
   1356        1.1   reinoud /* dismantle what we've set up by undoing setup */
   1357        1.9   thorpej static int
   1358       1.27    dyoung auixp_detach(device_t self, int flags)
   1359        1.3      kent {
   1360        1.3      kent 	struct auixp_softc *sc;
   1361        1.1   reinoud 
   1362       1.27    dyoung 	sc = device_private(self);
   1363        1.1   reinoud 	/* XXX shouldn't we just reset the chip? XXX */
   1364        1.1   reinoud 	/*
   1365        1.1   reinoud 	 * should we explicitly disable interrupt generation and acknowledge
   1366        1.1   reinoud 	 * what's left on? better be safe than sorry.
   1367        1.1   reinoud 	 */
   1368        1.1   reinoud 	auixp_disable_interrupts(sc);
   1369        1.1   reinoud 
   1370        1.1   reinoud 	/* tear down .... */
   1371  1.34.10.2      yamt 	config_detach(sc->sc_dev, flags);	/* XXX OK? XXX */
   1372  1.34.10.1      yamt 	pmf_device_deregister(self);
   1373        1.1   reinoud 
   1374        1.1   reinoud 	if (sc->sc_ih != NULL)
   1375        1.1   reinoud 		pci_intr_disestablish(sc->sc_pct, sc->sc_ih);
   1376        1.1   reinoud 	if (sc->sc_ios)
   1377        1.1   reinoud 		bus_space_unmap(sc->sc_iot, sc->sc_ioh, sc->sc_ios);
   1378        1.1   reinoud 
   1379  1.34.10.1      yamt 	mutex_destroy(&sc->sc_lock);
   1380  1.34.10.1      yamt 	mutex_destroy(&sc->sc_intr_lock);
   1381        1.1   reinoud 
   1382        1.3      kent 	return 0;
   1383        1.1   reinoud }
   1384        1.1   reinoud 
   1385        1.1   reinoud 
   1386        1.1   reinoud /*
   1387        1.3      kent  * codec handling
   1388        1.1   reinoud  *
   1389        1.1   reinoud  * IXP audio support can have upto 3 codecs! are they chained ? or
   1390        1.1   reinoud  * alternative outlets with the same audio feed i.e. with different mixer
   1391        1.3      kent  * settings? XXX does NetBSD support more than one audio codec? XXX
   1392        1.1   reinoud  */
   1393        1.1   reinoud 
   1394        1.1   reinoud 
   1395        1.9   thorpej static int
   1396        1.3      kent auixp_attach_codec(void *aux, struct ac97_codec_if *codec_if)
   1397        1.3      kent {
   1398        1.3      kent 	struct auixp_codec *ixp_codec;
   1399        1.1   reinoud 
   1400        1.3      kent 	ixp_codec = aux;
   1401        1.1   reinoud 	ixp_codec->codec_if = codec_if;
   1402        1.1   reinoud 	ixp_codec->present  = 1;
   1403        1.1   reinoud 
   1404        1.3      kent 	return 0;
   1405        1.1   reinoud }
   1406        1.1   reinoud 
   1407        1.1   reinoud 
   1408        1.9   thorpej static int
   1409        1.3      kent auixp_read_codec(void *aux, uint8_t reg, uint16_t *result)
   1410        1.3      kent {
   1411        1.3      kent 	struct auixp_codec *co;
   1412        1.3      kent 	struct auixp_softc *sc;
   1413        1.3      kent 	bus_space_tag_t     iot;
   1414        1.3      kent 	bus_space_handle_t  ioh;
   1415        1.1   reinoud 	uint32_t data;
   1416        1.1   reinoud 	int timeout;
   1417        1.1   reinoud 
   1418        1.3      kent 	co  = aux;
   1419        1.3      kent 	sc  = co->sc;
   1420        1.3      kent 	iot = sc->sc_iot;
   1421        1.3      kent 	ioh = sc->sc_ioh;
   1422        1.4    simonb 	if (auixp_wait_for_codecs(sc, "read_codec"))
   1423        1.4    simonb 		return 0xffff;
   1424        1.1   reinoud 
   1425        1.1   reinoud 	/* build up command for reading codec register */
   1426        1.1   reinoud 	data = (reg << ATI_REG_PHYS_OUT_ADDR_SHIFT) |
   1427        1.1   reinoud 		ATI_REG_PHYS_OUT_ADDR_EN |
   1428        1.1   reinoud 		ATI_REG_PHYS_OUT_RW |
   1429        1.1   reinoud 		co->codec_nr;
   1430        1.1   reinoud 
   1431        1.1   reinoud 	bus_space_write_4(iot, ioh, ATI_REG_PHYS_OUT_ADDR, data);
   1432        1.1   reinoud 
   1433        1.4    simonb 	if (auixp_wait_for_codecs(sc, "read_codec"))
   1434        1.4    simonb 		return 0xffff;
   1435        1.1   reinoud 
   1436        1.1   reinoud 	/* wait until codec info is clocked in */
   1437        1.1   reinoud 	timeout = 500;		/* 500*2 usec -> 0.001 sec */
   1438        1.1   reinoud 	do {
   1439        1.1   reinoud 		data = bus_space_read_4(iot, ioh, ATI_REG_PHYS_IN_ADDR);
   1440        1.1   reinoud 		if (data & ATI_REG_PHYS_IN_READ_FLAG) {
   1441        1.1   reinoud 			DPRINTF(("read ac'97 codec reg 0x%x = 0x%08x\n",
   1442        1.1   reinoud 				reg, data >> ATI_REG_PHYS_IN_DATA_SHIFT)
   1443        1.1   reinoud 			);
   1444        1.1   reinoud 			*result = data >> ATI_REG_PHYS_IN_DATA_SHIFT;
   1445        1.1   reinoud 			return 0;
   1446        1.3      kent 		}
   1447        1.1   reinoud 		DELAY(2);
   1448        1.1   reinoud 		timeout--;
   1449        1.1   reinoud 	} while (timeout > 0);
   1450        1.1   reinoud 
   1451        1.1   reinoud 	if (reg < 0x7c)
   1452        1.4    simonb 		printf("%s: codec read timeout! (reg %x)\n",
   1453  1.34.10.2      yamt 		    device_xname(sc->sc_dev), reg);
   1454        1.1   reinoud 
   1455        1.1   reinoud 	return 0xffff;
   1456        1.1   reinoud }
   1457        1.1   reinoud 
   1458        1.1   reinoud 
   1459        1.9   thorpej static int
   1460        1.3      kent auixp_write_codec(void *aux, uint8_t reg, uint16_t data)
   1461        1.3      kent {
   1462        1.3      kent 	struct auixp_codec *co;
   1463        1.3      kent 	struct auixp_softc *sc;
   1464        1.3      kent 	bus_space_tag_t     iot;
   1465        1.3      kent 	bus_space_handle_t  ioh;
   1466        1.1   reinoud 	uint32_t value;
   1467        1.1   reinoud 
   1468        1.1   reinoud 	DPRINTF(("write ac'97 codec reg 0x%x = 0x%08x\n", reg, data));
   1469        1.3      kent 	co  = aux;
   1470        1.3      kent 	sc  = co->sc;
   1471        1.3      kent 	iot = sc->sc_iot;
   1472        1.3      kent 	ioh = sc->sc_ioh;
   1473        1.4    simonb 	if (auixp_wait_for_codecs(sc, "write_codec"))
   1474        1.4    simonb 		return -1;
   1475        1.1   reinoud 
   1476        1.1   reinoud 	/* build up command for writing codec register */
   1477        1.1   reinoud 	value = (((uint32_t) data) << ATI_REG_PHYS_OUT_DATA_SHIFT) |
   1478        1.3      kent 		(((uint32_t)  reg) << ATI_REG_PHYS_OUT_ADDR_SHIFT) |
   1479        1.1   reinoud 		ATI_REG_PHYS_OUT_ADDR_EN |
   1480        1.1   reinoud 		co->codec_nr;
   1481        1.1   reinoud 
   1482        1.1   reinoud 	bus_space_write_4(iot, ioh, ATI_REG_PHYS_OUT_ADDR, value);
   1483        1.1   reinoud 
   1484        1.1   reinoud 	return 0;
   1485        1.1   reinoud }
   1486        1.1   reinoud 
   1487        1.1   reinoud 
   1488        1.9   thorpej static int
   1489       1.21  christos auixp_reset_codec(void *aux)
   1490        1.3      kent {
   1491        1.3      kent 
   1492        1.1   reinoud 	/* nothing to be done? */
   1493        1.1   reinoud 	return 0;
   1494        1.1   reinoud }
   1495        1.1   reinoud 
   1496        1.1   reinoud 
   1497        1.9   thorpej static enum ac97_host_flags
   1498        1.3      kent auixp_flags_codec(void *aux)
   1499        1.3      kent {
   1500        1.3      kent 	struct auixp_codec *ixp_codec;
   1501        1.1   reinoud 
   1502        1.3      kent 	ixp_codec = aux;
   1503        1.3      kent 	return ixp_codec->codec_flags;
   1504        1.1   reinoud }
   1505        1.1   reinoud 
   1506        1.1   reinoud 
   1507        1.9   thorpej static int
   1508        1.6  christos auixp_wait_for_codecs(struct auixp_softc *sc, const char *func)
   1509        1.3      kent {
   1510        1.3      kent 	bus_space_tag_t      iot;
   1511        1.3      kent 	bus_space_handle_t   ioh;
   1512        1.1   reinoud 	uint32_t value;
   1513        1.1   reinoud 	int timeout;
   1514        1.1   reinoud 
   1515        1.3      kent 	iot = sc->sc_iot;
   1516        1.3      kent 	ioh = sc->sc_ioh;
   1517        1.1   reinoud 	/* wait until all codec transfers are done */
   1518        1.1   reinoud 	timeout = 500;		/* 500*2 usec -> 0.001 sec */
   1519        1.1   reinoud 	do {
   1520        1.1   reinoud 		value = bus_space_read_4(iot, ioh, ATI_REG_PHYS_OUT_ADDR);
   1521        1.4    simonb 		if ((value & ATI_REG_PHYS_OUT_ADDR_EN) == 0)
   1522        1.4    simonb 			return 0;
   1523        1.1   reinoud 
   1524        1.1   reinoud 		DELAY(2);
   1525        1.1   reinoud 		timeout--;
   1526        1.1   reinoud 	} while (timeout > 0);
   1527        1.1   reinoud 
   1528  1.34.10.2      yamt 	printf("%s: %s: timed out\n", func, device_xname(sc->sc_dev));
   1529        1.1   reinoud 	return -1;
   1530        1.1   reinoud }
   1531        1.1   reinoud 
   1532        1.1   reinoud 
   1533        1.1   reinoud 
   1534        1.9   thorpej static void
   1535        1.3      kent auixp_autodetect_codecs(struct auixp_softc *sc)
   1536        1.3      kent {
   1537        1.3      kent 	bus_space_tag_t      iot;
   1538        1.3      kent 	bus_space_handle_t   ioh;
   1539        1.1   reinoud 	struct auixp_codec  *codec;
   1540        1.1   reinoud 	int timeout, codec_nr;
   1541        1.1   reinoud 
   1542        1.3      kent 	iot = sc->sc_iot;
   1543        1.3      kent 	ioh = sc->sc_ioh;
   1544        1.1   reinoud 	/* ATI IXP can have upto 3 codecs; mark all codecs as not existing */
   1545        1.1   reinoud 	sc->sc_codec_not_ready_bits = 0;
   1546        1.1   reinoud 	sc->sc_num_codecs = 0;
   1547        1.1   reinoud 
   1548        1.1   reinoud 	/* enable all codecs to interrupt as well as the new frame interrupt */
   1549        1.1   reinoud 	bus_space_write_4(iot, ioh, ATI_REG_IER, CODEC_CHECK_BITS);
   1550        1.1   reinoud 
   1551        1.1   reinoud 	/* wait for the interrupts to happen */
   1552        1.1   reinoud 	timeout = 100;		/* 100.000 usec -> 0.1 sec */
   1553        1.1   reinoud 
   1554        1.1   reinoud 	while (timeout > 0) {
   1555        1.1   reinoud 		DELAY(1000);
   1556        1.4    simonb 		if (sc->sc_codec_not_ready_bits)
   1557        1.4    simonb 			break;
   1558        1.1   reinoud 		timeout--;
   1559        1.3      kent 	}
   1560        1.1   reinoud 
   1561        1.1   reinoud 	if (timeout == 0)
   1562        1.5      fvdl 		printf("%s: WARNING: timeout during codec detection; "
   1563        1.5      fvdl 			"codecs might be present but haven't interrupted\n",
   1564  1.34.10.2      yamt 			device_xname(sc->sc_dev));
   1565        1.1   reinoud 
   1566        1.1   reinoud 	/* disable all interrupts for now */
   1567        1.1   reinoud 	auixp_disable_interrupts(sc);
   1568        1.1   reinoud 
   1569        1.1   reinoud 	/* Attach AC97 host interfaces */
   1570        1.1   reinoud 	for (codec_nr = 0; codec_nr < ATI_IXP_CODECS; codec_nr++) {
   1571        1.1   reinoud 		codec = &sc->sc_codec[codec_nr];
   1572       1.30    cegger 		memset(codec, 0, sizeof(struct auixp_codec));
   1573        1.1   reinoud 
   1574        1.1   reinoud 		codec->sc       = sc;
   1575        1.1   reinoud 		codec->codec_nr = codec_nr;
   1576        1.1   reinoud 		codec->present  = 0;
   1577        1.1   reinoud 
   1578        1.1   reinoud 		codec->host_if.arg    = codec;
   1579        1.1   reinoud 		codec->host_if.attach = auixp_attach_codec;
   1580        1.1   reinoud 		codec->host_if.read   = auixp_read_codec;
   1581        1.1   reinoud 		codec->host_if.write  = auixp_write_codec;
   1582        1.1   reinoud 		codec->host_if.reset  = auixp_reset_codec;
   1583        1.1   reinoud 		codec->host_if.flags  = auixp_flags_codec;
   1584        1.3      kent 	}
   1585        1.1   reinoud 
   1586        1.1   reinoud 	if (!(sc->sc_codec_not_ready_bits & ATI_REG_ISR_CODEC0_NOT_READY)) {
   1587        1.1   reinoud 		/* codec 0 present */
   1588        1.5      fvdl 		DPRINTF(("auixp : YAY! codec 0 present!\n"));
   1589  1.34.10.2      yamt 		if (ac97_attach(&sc->sc_codec[0].host_if, sc->sc_dev,
   1590  1.34.10.1      yamt 		    &sc->sc_lock) == 0)
   1591        1.3      kent 			sc->sc_num_codecs++;
   1592        1.3      kent 	}
   1593        1.1   reinoud 
   1594        1.1   reinoud 	if (!(sc->sc_codec_not_ready_bits & ATI_REG_ISR_CODEC1_NOT_READY)) {
   1595        1.1   reinoud 		/* codec 1 present */
   1596        1.5      fvdl 		DPRINTF(("auixp : YAY! codec 1 present!\n"));
   1597  1.34.10.2      yamt 		if (ac97_attach(&sc->sc_codec[1].host_if, sc->sc_dev,
   1598  1.34.10.1      yamt 		    &sc->sc_lock) == 0)
   1599        1.3      kent 			sc->sc_num_codecs++;
   1600        1.3      kent 	}
   1601        1.1   reinoud 
   1602        1.1   reinoud 	if (!(sc->sc_codec_not_ready_bits & ATI_REG_ISR_CODEC2_NOT_READY)) {
   1603        1.1   reinoud 		/* codec 2 present */
   1604        1.5      fvdl 		DPRINTF(("auixp : YAY! codec 2 present!\n"));
   1605  1.34.10.2      yamt 		if (ac97_attach(&sc->sc_codec[2].host_if, sc->sc_dev,
   1606  1.34.10.1      yamt 		    &sc->sc_lock) == 0)
   1607        1.3      kent 			sc->sc_num_codecs++;
   1608        1.3      kent 	}
   1609        1.1   reinoud 
   1610        1.1   reinoud 	if (sc->sc_num_codecs == 0) {
   1611        1.5      fvdl 		printf("%s: no codecs detected or "
   1612        1.5      fvdl 				"no codecs managed to initialise\n",
   1613  1.34.10.2      yamt 				device_xname(sc->sc_dev));
   1614        1.1   reinoud 		return;
   1615        1.3      kent 	}
   1616        1.1   reinoud 
   1617        1.3      kent }
   1618        1.1   reinoud 
   1619        1.1   reinoud 
   1620        1.1   reinoud 
   1621        1.1   reinoud /* initialisation routines */
   1622        1.1   reinoud 
   1623        1.9   thorpej static void
   1624        1.3      kent auixp_disable_dma(struct auixp_softc *sc, struct auixp_dma *dma)
   1625        1.3      kent {
   1626        1.3      kent 	bus_space_tag_t      iot;
   1627        1.3      kent 	bus_space_handle_t   ioh;
   1628        1.1   reinoud 	uint32_t value;
   1629        1.1   reinoud 
   1630        1.3      kent 	iot = sc->sc_iot;
   1631        1.3      kent 	ioh = sc->sc_ioh;
   1632        1.1   reinoud 	/* lets not stress the DMA engine more than nessisary */
   1633        1.1   reinoud 	value = bus_space_read_4(iot, ioh, ATI_REG_CMD);
   1634        1.1   reinoud 	if (value & dma->dma_enable_bit) {
   1635        1.1   reinoud 		value &= ~dma->dma_enable_bit;
   1636        1.1   reinoud 		bus_space_write_4(iot, ioh, ATI_REG_CMD, value);
   1637        1.3      kent 	}
   1638        1.1   reinoud }
   1639        1.1   reinoud 
   1640        1.1   reinoud 
   1641        1.9   thorpej static void
   1642        1.3      kent auixp_enable_dma(struct auixp_softc *sc, struct auixp_dma *dma)
   1643        1.3      kent {
   1644        1.3      kent 	bus_space_tag_t      iot;
   1645        1.3      kent 	bus_space_handle_t   ioh;
   1646        1.1   reinoud 	uint32_t value;
   1647        1.1   reinoud 
   1648        1.3      kent 	iot = sc->sc_iot;
   1649        1.3      kent 	ioh = sc->sc_ioh;
   1650        1.1   reinoud 	/* lets not stress the DMA engine more than nessisary */
   1651        1.1   reinoud 	value = bus_space_read_4(iot, ioh, ATI_REG_CMD);
   1652        1.1   reinoud 	if (!(value & dma->dma_enable_bit)) {
   1653        1.1   reinoud 		value |= dma->dma_enable_bit;
   1654        1.1   reinoud 		bus_space_write_4(iot, ioh, ATI_REG_CMD, value);
   1655        1.3      kent 	}
   1656        1.1   reinoud }
   1657        1.1   reinoud 
   1658        1.1   reinoud 
   1659        1.9   thorpej static void
   1660        1.3      kent auixp_reset_aclink(struct auixp_softc *sc)
   1661        1.3      kent {
   1662        1.7   reinoud 	bus_space_tag_t      iot;
   1663        1.7   reinoud 	bus_space_handle_t   ioh;
   1664        1.7   reinoud 	uint32_t value, timeout;
   1665        1.7   reinoud 
   1666        1.7   reinoud 	iot = sc->sc_iot;
   1667        1.7   reinoud 	ioh = sc->sc_ioh;
   1668        1.7   reinoud 
   1669        1.8   reinoud 	/* if power is down, power it up */
   1670        1.7   reinoud 	value = bus_space_read_4(iot, ioh, ATI_REG_CMD);
   1671        1.7   reinoud 	if (value & ATI_REG_CMD_POWERDOWN) {
   1672  1.34.10.2      yamt 		printf("%s: powering up\n", device_xname(sc->sc_dev));
   1673        1.8   reinoud 
   1674        1.8   reinoud 		/* explicitly enable power */
   1675        1.7   reinoud 		value &= ~ATI_REG_CMD_POWERDOWN;
   1676        1.7   reinoud 		bus_space_write_4(iot, ioh, ATI_REG_CMD, value);
   1677        1.7   reinoud 
   1678        1.8   reinoud 		/* have to wait at least 10 usec for it to initialise */
   1679        1.8   reinoud 		DELAY(20);
   1680        1.7   reinoud 	};
   1681        1.7   reinoud 
   1682  1.34.10.2      yamt 	printf("%s: soft resetting aclink\n", device_xname(sc->sc_dev));
   1683        1.8   reinoud 
   1684        1.8   reinoud 	/* perform a soft reset */
   1685        1.7   reinoud 	value  = bus_space_read_4(iot, ioh, ATI_REG_CMD);
   1686        1.7   reinoud 	value |= ATI_REG_CMD_AC_SOFT_RESET;
   1687        1.7   reinoud 	bus_space_write_4(iot, ioh, ATI_REG_CMD, value);
   1688        1.3      kent 
   1689        1.7   reinoud 	/* need to read the CMD reg and wait aprox. 10 usec to init */
   1690        1.7   reinoud 	value  = bus_space_read_4(iot, ioh, ATI_REG_CMD);
   1691        1.8   reinoud 	DELAY(20);
   1692        1.7   reinoud 
   1693        1.8   reinoud 	/* clear soft reset flag again */
   1694        1.7   reinoud 	value  = bus_space_read_4(iot, ioh, ATI_REG_CMD);
   1695        1.7   reinoud 	value &= ~ATI_REG_CMD_AC_SOFT_RESET;
   1696        1.7   reinoud 	bus_space_write_4(iot, ioh, ATI_REG_CMD, value);
   1697        1.7   reinoud 
   1698        1.8   reinoud 	/* check if the ac-link is working; reset device otherwise */
   1699        1.7   reinoud 	timeout = 10;
   1700        1.7   reinoud 	value = bus_space_read_4(iot, ioh, ATI_REG_CMD);
   1701        1.7   reinoud 	while (!(value & ATI_REG_CMD_ACLINK_ACTIVE)) {
   1702        1.8   reinoud 		printf("%s: not up; resetting aclink hardware\n",
   1703  1.34.10.2      yamt 			device_xname(sc->sc_dev));
   1704        1.8   reinoud 
   1705        1.8   reinoud 		/* dip aclink reset but keep the acsync */
   1706        1.7   reinoud 		value &= ~ATI_REG_CMD_AC_RESET;
   1707        1.7   reinoud 		value |=  ATI_REG_CMD_AC_SYNC;
   1708        1.7   reinoud 		bus_space_write_4(iot, ioh, ATI_REG_CMD, value);
   1709        1.7   reinoud 
   1710        1.8   reinoud 		/* need to read CMD again and wait again (clocking in issue?) */
   1711        1.7   reinoud 		value = bus_space_read_4(iot, ioh, ATI_REG_CMD);
   1712        1.8   reinoud 		DELAY(20);
   1713        1.7   reinoud 
   1714        1.8   reinoud 		/* assert aclink reset again */
   1715        1.7   reinoud 		value = bus_space_read_4(iot, ioh, ATI_REG_CMD);
   1716        1.7   reinoud 		value |=  ATI_REG_CMD_AC_RESET;
   1717        1.7   reinoud 		bus_space_write_4(iot, ioh, ATI_REG_CMD, value);
   1718        1.7   reinoud 
   1719        1.8   reinoud 		/* check if its active now */
   1720        1.8   reinoud 		value = bus_space_read_4(iot, ioh, ATI_REG_CMD);
   1721        1.8   reinoud 
   1722        1.8   reinoud 		timeout--;
   1723        1.8   reinoud 		if (timeout == 0) break;
   1724        1.8   reinoud 	};
   1725        1.7   reinoud 
   1726        1.8   reinoud 	if (timeout == 0) {
   1727  1.34.10.2      yamt 		printf("%s: giving up aclink reset\n", device_xname(sc->sc_dev));
   1728        1.8   reinoud 	};
   1729        1.8   reinoud 	if (timeout != 10) {
   1730        1.8   reinoud 		printf("%s: aclink hardware reset successful\n",
   1731  1.34.10.2      yamt 			device_xname(sc->sc_dev));
   1732        1.7   reinoud 	};
   1733        1.7   reinoud 
   1734        1.7   reinoud 	/* assert reset and sync for safety */
   1735        1.7   reinoud 	value  = bus_space_read_4(iot, ioh, ATI_REG_CMD);
   1736        1.7   reinoud 	value |= ATI_REG_CMD_AC_SYNC | ATI_REG_CMD_AC_RESET;
   1737        1.7   reinoud 	bus_space_write_4(iot, ioh, ATI_REG_CMD, value);
   1738        1.1   reinoud }
   1739        1.1   reinoud 
   1740        1.1   reinoud 
   1741        1.1   reinoud /* chip hard init */
   1742        1.9   thorpej static int
   1743        1.3      kent auixp_init(struct auixp_softc *sc)
   1744        1.3      kent {
   1745        1.3      kent 	bus_space_tag_t      iot;
   1746        1.3      kent 	bus_space_handle_t   ioh;
   1747        1.1   reinoud 	uint32_t value;
   1748        1.1   reinoud 
   1749        1.3      kent 	iot = sc->sc_iot;
   1750        1.3      kent 	ioh = sc->sc_ioh;
   1751        1.1   reinoud 	/* disable all interrupts and clear all sources */
   1752        1.1   reinoud 	auixp_disable_interrupts(sc);
   1753        1.1   reinoud 
   1754        1.1   reinoud 	/* clear all DMA enables (preserving rest of settings) */
   1755        1.1   reinoud 	value = bus_space_read_4(iot, ioh, ATI_REG_CMD);
   1756        1.1   reinoud 	value &= ~( ATI_REG_CMD_IN_DMA_EN  |
   1757        1.1   reinoud 		    ATI_REG_CMD_OUT_DMA_EN |
   1758        1.1   reinoud 		    ATI_REG_CMD_SPDF_OUT_EN );
   1759        1.1   reinoud 	bus_space_write_4(iot, ioh, ATI_REG_CMD, value);
   1760        1.1   reinoud 
   1761        1.1   reinoud 	/* Reset AC-link */
   1762        1.1   reinoud 	auixp_reset_aclink(sc);
   1763        1.1   reinoud 
   1764        1.1   reinoud 	/*
   1765        1.1   reinoud 	 * codecs get auto-detected later
   1766        1.1   reinoud 	 *
   1767        1.1   reinoud 	 * note: we are NOT enabling interrupts yet, no codecs have been
   1768        1.1   reinoud 	 * detected yet nor is anything else set up
   1769        1.1   reinoud 	 */
   1770        1.1   reinoud 
   1771        1.1   reinoud 	return 0;
   1772        1.1   reinoud }
   1773        1.1   reinoud 
   1774       1.25  jmcneill static bool
   1775       1.34    dyoung auixp_resume(device_t dv, const pmf_qual_t *qual)
   1776        1.3      kent {
   1777       1.25  jmcneill 	struct auixp_softc *sc = device_private(dv);
   1778        1.4    simonb 
   1779  1.34.10.1      yamt 	mutex_enter(&sc->sc_lock);
   1780       1.25  jmcneill 	auixp_reset_codec(sc);
   1781       1.25  jmcneill 	delay(1000);
   1782       1.25  jmcneill 	(sc->sc_codec[0].codec_if->vtbl->restore_ports)(sc->sc_codec[0].codec_if);
   1783  1.34.10.1      yamt 	mutex_exit(&sc->sc_lock);
   1784        1.1   reinoud 
   1785       1.25  jmcneill 	return true;
   1786        1.1   reinoud }
   1787        1.1   reinoud 
   1788        1.1   reinoud #ifdef DEBUG_AUIXP
   1789        1.1   reinoud 
   1790        1.9   thorpej static void
   1791        1.3      kent auixp_dumpreg(void)
   1792        1.3      kent {
   1793        1.3      kent 	struct auixp_softc  *sc;
   1794        1.3      kent 	bus_space_tag_t      iot;
   1795        1.3      kent 	bus_space_handle_t   ioh;
   1796        1.1   reinoud 	int i;
   1797        1.1   reinoud 
   1798        1.3      kent 	sc  = static_sc;
   1799        1.3      kent 	iot = sc->sc_iot;
   1800        1.3      kent 	ioh = sc->sc_ioh;
   1801  1.34.10.2      yamt 	printf("%s register dump:\n", device_xname(sc->sc_dev));
   1802        1.1   reinoud 	for (i = 0; i < 256; i+=4) {
   1803        1.1   reinoud 		printf("\t0x%02x: 0x%08x\n", i, bus_space_read_4(iot, ioh, i));
   1804        1.3      kent 	}
   1805        1.1   reinoud 	printf("\n");
   1806        1.1   reinoud }
   1807        1.1   reinoud #endif
   1808  1.34.10.1      yamt 
   1809  1.34.10.1      yamt static void
   1810  1.34.10.1      yamt auixp_get_locks(void *addr, kmutex_t **intr, kmutex_t **proc)
   1811  1.34.10.1      yamt {
   1812  1.34.10.1      yamt 	struct auixp_codec *co = addr;
   1813  1.34.10.1      yamt 	struct auixp_softc *sc = co->sc;
   1814  1.34.10.1      yamt 
   1815  1.34.10.1      yamt 	*intr = &sc->sc_intr_lock;
   1816  1.34.10.1      yamt 	*proc = &sc->sc_lock;
   1817  1.34.10.1      yamt }
   1818