Пример #1
0
static void
cs4280_attach(device_t parent, device_t self, void *aux)
{
	struct cs428x_softc *sc;
	struct pci_attach_args *pa;
	pci_chipset_tag_t pc;
	const struct cs4280_card_t *cs_card;
	char const *intrstr;
	const char *vendor, *product;
	pcireg_t reg;
	uint32_t mem;
	int error;
	char intrbuf[PCI_INTRSTR_LEN];

	sc = device_private(self);
	sc->sc_dev = self;
	pa = (struct pci_attach_args *)aux;
	pc = pa->pa_pc;

	pci_aprint_devinfo(pa, "Audio controller");

	cs_card = cs4280_identify_card(pa);
	if (cs_card != NULL) {
		vendor = pci_findvendor(cs_card->id);
		product = pci_findproduct(cs_card->id); 
		if (vendor == NULL)
			aprint_normal_dev(sc->sc_dev,
					  "vendor 0x%04x product 0x%04x\n",
					  PCI_VENDOR(cs_card->id),
					  PCI_PRODUCT(cs_card->id));
		else if (product == NULL)
			aprint_normal_dev(sc->sc_dev, "%s product 0x%04x\n",
					  vendor, PCI_PRODUCT(cs_card->id));
		else
			aprint_normal_dev(sc->sc_dev, "%s %s\n",
					  vendor, product);
		sc->sc_flags = cs_card->flags;
	} else {
		sc->sc_flags = CS428X_FLAG_NONE;
	}

	sc->sc_pc = pa->pa_pc;
	sc->sc_pt = pa->pa_tag;

	/* Map I/O register */
	if (pci_mapreg_map(pa, PCI_BA0,
	    PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0,
	    &sc->ba0t, &sc->ba0h, NULL, NULL)) {
		aprint_error_dev(sc->sc_dev, "can't map BA0 space\n");
		return;
	}
	if (pci_mapreg_map(pa, PCI_BA1,
	    PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0,
	    &sc->ba1t, &sc->ba1h, NULL, NULL)) {
		aprint_error_dev(sc->sc_dev, "can't map BA1 space\n");
		return;
	}

	sc->sc_dmatag = pa->pa_dmat;

	/* power up chip */
	if ((error = pci_activate(pa->pa_pc, pa->pa_tag, self,
	    pci_activate_null)) && error != EOPNOTSUPP) {
		aprint_error_dev(sc->sc_dev, "cannot activate %d\n", error);
		return;
	}

	/* Enable the device (set bus master flag) */
	reg = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG);
	pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_COMMAND_STATUS_REG,
		       reg | PCI_COMMAND_MASTER_ENABLE);

	/* LATENCY_TIMER setting */
	mem = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);
	if ( PCI_LATTIMER(mem) < 32 ) {
		mem &= 0xffff00ff;
		mem |= 0x00002000;
		pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG, mem);
	}

	/* CLKRUN hack initialization */
	cs4280_clkrun_hack_init(sc);

	/* Map and establish the interrupt. */
	if (pci_intr_map(pa, &sc->intrh)) {
		aprint_error_dev(sc->sc_dev, "couldn't map interrupt\n");
		return;
	}
	intrstr = pci_intr_string(pc, sc->intrh, intrbuf, sizeof(intrbuf));

	mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
	mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);

	sc->sc_ih = pci_intr_establish(sc->sc_pc, sc->intrh, IPL_AUDIO,
	    cs4280_intr, sc);
	if (sc->sc_ih == NULL) {
		aprint_error_dev(sc->sc_dev, "couldn't establish interrupt");
		if (intrstr != NULL)
			aprint_error(" at %s", intrstr);
		aprint_error("\n");
		mutex_destroy(&sc->sc_lock);
		mutex_destroy(&sc->sc_intr_lock);
		return;
	}
	aprint_normal_dev(sc->sc_dev, "interrupting at %s\n", intrstr);

	/* Initialization */
	if(cs4280_init(sc, 1) != 0) {
		mutex_destroy(&sc->sc_lock);
		mutex_destroy(&sc->sc_intr_lock);
		return;
	}

	sc->type = TYPE_CS4280;
	sc->halt_input  = cs4280_halt_input;
	sc->halt_output = cs4280_halt_output;

	/* setup buffer related parameters */
	sc->dma_size     = CS4280_DCHUNK;
	sc->dma_align    = CS4280_DALIGN;
	sc->hw_blocksize = CS4280_ICHUNK;

	/* AC 97 attachment */
	sc->host_if.arg = sc;
	sc->host_if.attach = cs428x_attach_codec;
	sc->host_if.read   = cs4280_read_codec;
	sc->host_if.write  = cs4280_write_codec;
#if 0
	sc->host_if.reset  = cs4280_reset_codec;
#else
	sc->host_if.reset  = NULL;
#endif
	sc->host_if.flags  = cs4280_flags_codec;
	if (ac97_attach(&sc->host_if, self, &sc->sc_lock) != 0) {
		aprint_error_dev(sc->sc_dev, "ac97_attach failed\n");
		return;
	}

	audio_attach_mi(&cs4280_hw_if, sc, sc->sc_dev);

#if NMIDI > 0
	midi_attach_mi(&cs4280_midi_hw_if, sc, sc->sc_dev);
#endif

	if (!pmf_device_register(self, cs4280_suspend, cs4280_resume))
		aprint_error_dev(self, "couldn't establish power handler\n");
}
Пример #2
0
void
cs4280_attach(struct device *parent, struct device *self, void *aux)
{
	struct cs4280_softc *sc = (struct cs4280_softc *) self;
	struct pci_attach_args *pa = (struct pci_attach_args *) aux;
	pci_chipset_tag_t pc = pa->pa_pc;
	char const *intrstr;
	pci_intr_handle_t ih;
	u_int32_t mem;
    
	/* Map I/O register */
	if (pci_mapreg_map(pa, CSCC_PCI_BA0, 
	    PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
	    &sc->ba0t, &sc->ba0h, NULL, NULL, 0)) {
		printf(": can't map BA0 space\n");
		return;
	}
	if (pci_mapreg_map(pa, CSCC_PCI_BA1,
	    PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0,
	    &sc->ba1t, &sc->ba1h, NULL, NULL, 0)) {
		printf(": can't map BA1 space\n");
		return;
	}

	sc->sc_dmatag = pa->pa_dmat;

	/* Get out of power save mode if needed. */
	pci_set_powerstate(pc, pa->pa_tag, PCI_PMCSR_STATE_D0);

	/* LATENCY_TIMER setting */
	mem = pci_conf_read(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG);
	if ( PCI_LATTIMER(mem) < 32 ) {
		mem &= 0xffff00ff;
		mem |= 0x00002000;
		pci_conf_write(pa->pa_pc, pa->pa_tag, PCI_BHLC_REG, mem);
	}
	
	/* Map and establish the interrupt. */
	if (pci_intr_map(pa, &ih)) {
		printf(": couldn't map interrupt\n");
		return;
	}
	intrstr = pci_intr_string(pc, ih);

	sc->sc_ih = pci_intr_establish(pc, ih, IPL_AUDIO | IPL_MPSAFE,
	    cs4280_intr, sc, sc->sc_dev.dv_xname);
	if (sc->sc_ih == NULL) {
		printf(": couldn't establish interrupt");
		if (intrstr != NULL)
			printf(" at %s", intrstr);
		printf("\n");
		return;
	}
	printf(": %s\n", intrstr);

	/* Initialization */
	if (cs4280_init(sc, 1) != 0)
		return;

	mountroothook_establish(cs4280_attachhook, sc);

	/* AC 97 attachement */
	sc->host_if.arg = sc;
	sc->host_if.attach = cs4280_attach_codec;
	sc->host_if.read   = cs4280_read_codec;
	sc->host_if.write  = cs4280_write_codec;
	sc->host_if.reset  = cs4280_reset_codec;

	if (ac97_attach(&sc->host_if) != 0) {
		printf("%s: ac97_attach failed\n", sc->sc_dev.dv_xname);
		return;
	}
}