PERFORCE change 124262 for review

Christopher Davis loafier at FreeBSD.org
Sat Jul 28 14:47:35 UTC 2007


http://perforce.freebsd.org/chv.cgi?CH=124262

Change 124262 by loafier at chrisdsoc on 2007/07/28 14:47:04

	Edited for bus_alloc_resources(), etc

Affected files ...

.. //depot/projects/soc2007/loafier_busalloc/src/sys/dev/sound/pci/ich.c#2 edit

Differences ...

==== //depot/projects/soc2007/loafier_busalloc/src/sys/dev/sound/pci/ich.c#2 (text+ko) ====

@@ -167,6 +167,27 @@
 	bus_addr_t desc_addr;
 };
 
+enum {
+	RES_NAMBAR,
+	RES_NABMBAR,
+	RES_IRQ,
+	RES_SZ
+};
+
+static struct resource_spec ich_res_spec_mem[] = {
+	{SYS_RES_MEMORY, PCIR_MMBAR, RF_ACTIVE},
+	{SYS_RES_MEMORY, PCIR_MBBAR, RF_ACTIVE},
+	{SYS_RES_IRQ, 0, RF_ACTIVE | RF_SHAREABLE},
+	{-1, 0, 0}
+};
+
+static struct resource_spec ich_res_spec_io[] = {
+	{SYS_RES_IOPORT, PCIR_NAMBAR, RF_ACTIVE},
+	{SYS_RES_IOPORT, PCIR_NABMBAR, RF_ACTIVE},
+	{SYS_RES_IRQ, 0, RF_ACTIVE | RF_SHAREABLE},
+	{-1, 0, 0}
+};
+
 /* device private data */
 struct sc_info {
 	device_t dev;
@@ -174,10 +195,8 @@
 	unsigned int chnum, bufsz, blkcnt;
 	int sample_size, swap_reg;
 
-	struct resource *nambar, *nabmbar, *irq;
-	int regtype, nambarid, nabmbarid, irqid;
-	bus_space_tag_t nambart, nabmbart;
-	bus_space_handle_t nambarh, nabmbarh;
+	struct resource *res[RES_SZ];
+	struct resource_spec *spec;
 	bus_dma_tag_t dmat, chan_dmat;
 	bus_dmamap_t dtmap;
 	void *ih;
@@ -206,37 +225,16 @@
 
 /* -------------------------------------------------------------------- */
 /* Hardware */
-static __inline uint32_t
-ich_rd(struct sc_info *sc, int regno, int size)
-{
-	switch (size) {
-	case 1:
-		return (bus_space_read_1(sc->nabmbart, sc->nabmbarh, regno));
-	case 2:
-		return (bus_space_read_2(sc->nabmbart, sc->nabmbarh, regno));
-	case 4:
-		return (bus_space_read_4(sc->nabmbart, sc->nabmbarh, regno));
-	default:
-		return (0xffffffff);
-	}
-}
+#define ich_rd1(_sc, _reg) bus_read_1((_sc)->res[RES_NABMBAR], _reg)
+#define ich_rd2(_sc, _reg) bus_read_2((_sc)->res[RES_NABMBAR], _reg)
+#define ich_rd4(_sc, _reg) bus_read_4((_sc)->res[RES_NABMBAR], _reg)
+#define ich_wr1(_sc, _reg, _val) \
+	bus_write_1((_sc)->res[RES_NABMBAR], _reg, _val)
+#define ich_wr2(_sc, _reg, _val) \
+	bus_write_2((_sc)->res[RES_NABMBAR], _reg, _val)
+#define ich_wr4(_sc, _reg, _val) \
+	bus_write_4((_sc)->res[RES_NABMBAR], _reg, _val)
 
-static __inline void
-ich_wr(struct sc_info *sc, int regno, uint32_t data, int size)
-{
-	switch (size) {
-	case 1:
-		bus_space_write_1(sc->nabmbart, sc->nabmbarh, regno, data);
-		break;
-	case 2:
-		bus_space_write_2(sc->nabmbart, sc->nabmbarh, regno, data);
-		break;
-	case 4:
-		bus_space_write_4(sc->nabmbart, sc->nabmbarh, regno, data);
-		break;
-	}
-}
-
 /* ac97 codec */
 static int
 ich_waitcd(void *devinfo)
@@ -246,7 +244,7 @@
 	int i;
 
 	for (i = 0; i < ICH_TIMEOUT; i++) {
-		data = ich_rd(sc, ICH_REG_ACC_SEMA, 1);
+		data = ich_rd1(sc, ICH_REG_ACC_SEMA);
 		if ((data & 0x01) == 0)
 			return (0);
 		DELAY(1);
@@ -265,7 +263,7 @@
 	regno &= 0xff;
 	ich_waitcd(sc);
 
-	return (bus_space_read_2(sc->nambart, sc->nambarh, regno));
+	return (bus_read_2(sc->res[RES_NAMBAR], regno));
 }
 
 static int
@@ -275,7 +273,7 @@
 
 	regno &= 0xff;
 	ich_waitcd(sc);
-	bus_space_write_2(sc->nambart, sc->nambarh, regno, data);
+	bus_write_2(sc->res[RES_NAMBAR], regno, data);
 
 	return (0);
 }
@@ -328,16 +326,16 @@
 	else
 		return (ENXIO);
 
-	ich_wr(sc, regbase + ICH_REG_X_CR, 0, 1);
+	ich_wr1(sc, regbase + ICH_REG_X_CR, 0);
 #if 1
 	/* This may result in no sound output on NForce 2 MBs, see PR 73987 */
 	DELAY(100);
 #else
-	(void)ich_rd(sc, regbase + ICH_REG_X_CR, 1);
+	(void)ich_rd1(sc, regbase + ICH_REG_X_CR);
 #endif
-	ich_wr(sc, regbase + ICH_REG_X_CR, ICH_X_CR_RR, 1);
+	ich_wr1(sc, regbase + ICH_REG_X_CR, ICH_X_CR_RR);
 	for (i = 0; i < ICH_TIMEOUT; i++) {
-		cr = ich_rd(sc, regbase + ICH_REG_X_CR, 1);
+		cr = ich_rd1(sc, regbase + ICH_REG_X_CR);
 		if (cr == 0)
 			return (0);
 		DELAY(1);
@@ -417,7 +415,7 @@
 		return (NULL);
 
 	ICH_LOCK(sc);
-	ich_wr(sc, ch->regbase + ICH_REG_X_BDBAR, (uint32_t)(ch->desc_addr), 4);
+	ich_wr4(sc, ch->regbase + ICH_REG_X_BDBAR, (uint32_t)(ch->desc_addr));
 	ICH_UNLOCK(sc);
 
 	return (ch);
@@ -495,7 +493,7 @@
 	ch->blksz = blocksize;
 	ich_filldtbl(ch);
 	ICH_LOCK(sc);
-	ich_wr(sc, ch->regbase + ICH_REG_X_LVI, ch->blkcnt - 1, 1);
+	ich_wr1(sc, ch->regbase + ICH_REG_X_LVI, ch->blkcnt - 1);
 	ICH_UNLOCK(sc);
 
 	return (ch->blksz);
@@ -518,8 +516,8 @@
 	case PCMTRIG_START:
 		ch->run = 1;
 		ICH_LOCK(sc);
-		ich_wr(sc, ch->regbase + ICH_REG_X_BDBAR, (uint32_t)(ch->desc_addr), 4);
-		ich_wr(sc, ch->regbase + ICH_REG_X_CR, ICH_X_CR_RPBM | ICH_X_CR_LVBIE | ICH_X_CR_IOCE, 1);
+		ich_wr4(sc, ch->regbase + ICH_REG_X_BDBAR, (uint32_t)(ch->desc_addr));
+		ich_wr1(sc, ch->regbase + ICH_REG_X_CR, ICH_X_CR_RPBM | ICH_X_CR_LVBIE | ICH_X_CR_IOCE);
 		ICH_UNLOCK(sc);
 		break;
 	case PCMTRIG_STOP:
@@ -550,7 +548,7 @@
 	);
 
 	ICH_LOCK(sc);
-	ch->civ = ich_rd(sc, ch->regbase + ICH_REG_X_CIV, 1) % ch->blkcnt;
+	ch->civ = ich_rd1(sc, ch->regbase + ICH_REG_X_CIV) % ch->blkcnt;
 	ICH_UNLOCK(sc);
 
 	pos = ch->civ * ch->blksz;
@@ -607,10 +605,10 @@
 			    __func__);
 	);
 
-	gs = ich_rd(sc, ICH_REG_GLOB_STA, 4) & ICH_GLOB_STA_IMASK;
+	gs = ich_rd4(sc, ICH_REG_GLOB_STA) & ICH_GLOB_STA_IMASK;
 	if (gs & (ICH_GLOB_STA_PRES | ICH_GLOB_STA_SRES)) {
 		/* Clear resume interrupt(s) - nothing doing with them */
-		ich_wr(sc, ICH_REG_GLOB_STA, gs, 4);
+		ich_wr4(sc, ICH_REG_GLOB_STA, gs);
 	}
 	gs &= ~(ICH_GLOB_STA_PRES | ICH_GLOB_STA_SRES);
 
@@ -619,9 +617,8 @@
 		if ((ch->imask & gs) == 0)
 			continue;
 		gs &= ~ch->imask;
-		st = ich_rd(sc, ch->regbase +
-				((sc->swap_reg) ? ICH_REG_X_PICB : ICH_REG_X_SR),
-			    2);
+		st = ich_rd2(sc, ch->regbase +
+			((sc->swap_reg) ? ICH_REG_X_PICB : ICH_REG_X_SR));
 		st &= ICH_X_SR_FIFOE | ICH_X_SR_BCIS | ICH_X_SR_LVBCI;
 		if (st & (ICH_X_SR_BCIS | ICH_X_SR_LVBCI)) {
 				/* block complete - update buffer */
@@ -630,7 +627,7 @@
 				chn_intr(ch->channel);
 				ICH_LOCK(sc);
 			}
-			lvi = ich_rd(sc, ch->regbase + ICH_REG_X_LVI, 1);
+			lvi = ich_rd1(sc, ch->regbase + ICH_REG_X_LVI);
 			cbi = ch->civ % ch->blkcnt;
 			if (cbi == 0)
 				cbi = ch->blkcnt - 1;
@@ -642,13 +639,13 @@
 			else
 				lvi += cbi + ch->blkcnt - lbi;
 			lvi %= ICH_DTBL_LENGTH;
-			ich_wr(sc, ch->regbase + ICH_REG_X_LVI, lvi, 1);
+			ich_wr1(sc, ch->regbase + ICH_REG_X_LVI, lvi);
 
 		}
 		/* clear status bit */
-		ich_wr(sc, ch->regbase +
+		ich_wr2(sc, ch->regbase +
 			   ((sc->swap_reg) ? ICH_REG_X_PICB : ICH_REG_X_SR),
-		       st, 2);
+		       st);
 	}
 	ICH_UNLOCK(sc);
 	if (gs != 0) {
@@ -685,8 +682,10 @@
 
 	snprintf(status, SND_STATUSLEN,
 	    "at io 0x%lx, 0x%lx irq %ld bufsz %u %s",
-	    rman_get_start(sc->nambar), rman_get_start(sc->nabmbar),
-	    rman_get_start(sc->irq), sc->bufsz,PCM_KLDSTRING(snd_ich));
+	    rman_get_start(sc->res[RES_NAMBAR]), 
+	    rman_get_start(sc->res[RES_NABMBAR]),
+	    rman_get_start(sc->res[RES_IRQ]), 
+	    sc->bufsz, PCM_KLDSTRING(snd_ich));
 
 	if (bootverbose && (sc->flags & ICH_DMA_NOCACHE))
 		device_printf(sc->dev,
@@ -748,28 +747,28 @@
 	 */
 
 	/* prepare */
-	ociv = ich_rd(sc, ch->regbase + ICH_REG_X_CIV, 1);
+	ociv = ich_rd1(sc, ch->regbase + ICH_REG_X_CIV);
 	nciv = ociv;
-	ich_wr(sc, ch->regbase + ICH_REG_X_BDBAR, (uint32_t)(ch->desc_addr), 4);
+	ich_wr4(sc, ch->regbase + ICH_REG_X_BDBAR, (uint32_t)(ch->desc_addr));
 
 	/* start */
 	microtime(&t1);
-	ich_wr(sc, ch->regbase + ICH_REG_X_CR, ICH_X_CR_RPBM, 1);
+	ich_wr1(sc, ch->regbase + ICH_REG_X_CR, ICH_X_CR_RPBM);
 
 	/* wait */
 	do {
 		microtime(&t2);
 		if (t2.tv_sec - t1.tv_sec > 1)
 			break;
-		nciv = ich_rd(sc, ch->regbase + ICH_REG_X_CIV, 1);
+		nciv = ich_rd1(sc, ch->regbase + ICH_REG_X_CIV);
 	} while (nciv == ociv);
 
 	/* stop */
-	ich_wr(sc, ch->regbase + ICH_REG_X_CR, 0, 1);
+	ich_wr1(sc, ch->regbase + ICH_REG_X_CR, 0);
 
 	/* reset */
 	DELAY(100);
-	ich_wr(sc, ch->regbase + ICH_REG_X_CR, ICH_X_CR_RR, 1);
+	ich_wr1(sc, ch->regbase + ICH_REG_X_CR, ICH_X_CR_RR);
 	ch->blkcnt = oblkcnt;
 
 	/* turn time delta into us */
@@ -825,9 +824,9 @@
 {
 	uint32_t stat;
 
-	ich_wr(sc, ICH_REG_GLOB_CNT, ICH_GLOB_CTL_COLD, 4);
+	ich_wr4(sc, ICH_REG_GLOB_CNT, ICH_GLOB_CTL_COLD);
 	DELAY(600000);
-	stat = ich_rd(sc, ICH_REG_GLOB_STA, 4);
+	stat = ich_rd4(sc, ICH_REG_GLOB_STA);
 
 	if ((stat & ICH_GLOB_STA_PCR) == 0) {
 		/* ICH4/ICH5 may fail when busmastering is enabled. Continue */
@@ -841,9 +840,9 @@
 	}
 
 #if 0
-	ich_wr(sc, ICH_REG_GLOB_CNT, ICH_GLOB_CTL_COLD | ICH_GLOB_CTL_PRES, 4);
+	ich_wr4(sc, ICH_REG_GLOB_CNT, ICH_GLOB_CTL_COLD | ICH_GLOB_CTL_PRES);
 #else
-	ich_wr(sc, ICH_REG_GLOB_CNT, ICH_GLOB_CTL_COLD, 4);
+	ich_wr4(sc, ICH_REG_GLOB_CNT, ICH_GLOB_CTL_COLD);
 #endif
 
 	if (ich_resetchan(sc, 0) || ich_resetchan(sc, 1))
@@ -854,6 +853,28 @@
 	return (0);
 }
 
+static void
+ich_destroy(device_t dev, struct sc_info *sc)
+{
+	if (!sc)
+		return;
+
+	if (sc->ih)
+		bus_teardown_intr(dev, sc->res[RES_IRQ], sc->ih);
+	bus_release_resources(dev, sc->spec, sc->res);
+	if (sc->dtmap)
+		bus_dmamap_unload(sc->dmat, sc->dtmap);
+	if (sc->dtbl)
+		bus_dmamem_free(sc->dmat, sc->dtbl, sc->dtmap);
+	if (sc->chan_dmat)
+		bus_dma_tag_destroy(sc->chan_dmat);
+	if (sc->dmat)
+		bus_dma_tag_destroy(sc->dmat);
+	if (sc->ich_lock)
+		snd_mtxfree(sc->ich_lock);
+	free(sc, M_DEVBUF);
+}
+
 static int
 ich_pci_probe(device_t dev)
 {
@@ -928,31 +949,16 @@
 	if (vendor == INTEL_VENDORID && (devid == INTEL_82801DB ||
 	    devid == INTEL_82801EB || devid == INTEL_6300ESB ||
 	    devid == INTEL_82801FB || devid == INTEL_82801GB)) {
-		sc->nambarid = PCIR_MMBAR;
-		sc->nabmbarid = PCIR_MBBAR;
-		sc->regtype = SYS_RES_MEMORY;
+		sc->spec = ich_res_spec_mem;
 		pci_write_config(dev, PCIR_ICH_LEGACY, ICH_LEGACY_ENABLE, 1);
-	} else {
-		sc->nambarid = PCIR_NAMBAR;
-		sc->nabmbarid = PCIR_NABMBAR;
-		sc->regtype = SYS_RES_IOPORT;
-	}
+	} else 
+		sc->spec = ich_res_spec_io;
 
-	sc->nambar = bus_alloc_resource_any(dev, sc->regtype, 
-		&sc->nambarid, RF_ACTIVE);
-	sc->nabmbar = bus_alloc_resource_any(dev, sc->regtype, 
-		&sc->nabmbarid, RF_ACTIVE);
-
-	if (!sc->nambar || !sc->nabmbar) {
-		device_printf(dev, "unable to map IO port space\n");
+	if (bus_alloc_resources(dev, sc->spec, sc->res) != 0) {
+		device_printf(dev, "unable to allocate resources\n");
 		goto bad;
-	}
+	}	
 
-	sc->nambart = rman_get_bustag(sc->nambar);
-	sc->nambarh = rman_get_bushandle(sc->nambar);
-	sc->nabmbart = rman_get_bustag(sc->nabmbar);
-	sc->nabmbarh = rman_get_bushandle(sc->nabmbar);
-
 	sc->bufsz = pcm_getbuffersize(dev,
 	    ICH_MIN_BUFSZ, ICH_DEFAULT_BUFSZ, ICH_MAX_BUFSZ);
 
@@ -980,10 +986,7 @@
 	    device_get_unit(dev), "fixedrate", &i) == 0 && i != 0)
 		sc->flags |= ICH_FIXED_RATE;
 
-	sc->irqid = 0;
-	sc->irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irqid,
-	    RF_ACTIVE | RF_SHAREABLE);
-	if (!sc->irq || snd_setup_intr(dev, sc->irq, INTR_MPSAFE, ich_intr,
+	if (snd_setup_intr(dev, sc->res[RES_IRQ], INTR_MPSAFE, ich_intr,
 	    sc, &sc->ih)) {
 		device_printf(dev, "unable to map interrupt\n");
 		goto bad;
@@ -1085,27 +1088,8 @@
 bad:
 	if (sc->codec)
 		ac97_destroy(sc->codec);
-	if (sc->ih)
-		bus_teardown_intr(dev, sc->irq, sc->ih);
-	if (sc->irq)
-		bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
-	if (sc->nambar)
-		bus_release_resource(dev, sc->regtype,
-		    sc->nambarid, sc->nambar);
-	if (sc->nabmbar)
-		bus_release_resource(dev, sc->regtype,
-		    sc->nabmbarid, sc->nabmbar);
-	if (sc->dtmap)
-		bus_dmamap_unload(sc->dmat, sc->dtmap);
-	if (sc->dtbl)
-		bus_dmamem_free(sc->dmat, sc->dtbl, sc->dtmap);
-	if (sc->chan_dmat)
-		bus_dma_tag_destroy(sc->chan_dmat);
-	if (sc->dmat)
-		bus_dma_tag_destroy(sc->dmat);
-	if (sc->ich_lock)
-		snd_mtxfree(sc->ich_lock);
-	free(sc, M_DEVBUF);
+	ich_destroy(dev, sc);
+
 	return (ENXIO);
 }
 
@@ -1119,17 +1103,8 @@
 	if (r)
 		return (r);
 	sc = pcm_getdevinfo(dev);
+	ich_destroy(dev, sc);
 
-	bus_teardown_intr(dev, sc->irq, sc->ih);
-	bus_release_resource(dev, SYS_RES_IRQ, sc->irqid, sc->irq);
-	bus_release_resource(dev, sc->regtype, sc->nambarid, sc->nambar);
-	bus_release_resource(dev, sc->regtype, sc->nabmbarid, sc->nabmbar);
-	bus_dmamap_unload(sc->dmat, sc->dtmap);
-	bus_dmamem_free(sc->dmat, sc->dtbl, sc->dtmap);
-	bus_dma_tag_destroy(sc->chan_dmat);
-	bus_dma_tag_destroy(sc->dmat);
-	snd_mtxfree(sc->ich_lock);
-	free(sc, M_DEVBUF);
 	return (0);
 }
 
@@ -1139,14 +1114,14 @@
 	int i;
 	uint32_t control;
 
-	control = ich_rd(sc, ICH_REG_GLOB_CNT, 4); 
+	control = ich_rd4(sc, ICH_REG_GLOB_CNT); 
 	control &= ~(ICH_GLOB_CTL_SHUT);
 	control |= (control & ICH_GLOB_CTL_COLD) ?
 		    ICH_GLOB_CTL_WARM : ICH_GLOB_CTL_COLD;
-	ich_wr(sc, ICH_REG_GLOB_CNT, control, 4);
+	ich_wr4(sc, ICH_REG_GLOB_CNT, control);
 
 	for (i = 500000; i; i--) {
-	     	if (ich_rd(sc, ICH_REG_GLOB_STA, 4) & ICH_GLOB_STA_PCR)
+	     	if (ich_rd4(sc, ICH_REG_GLOB_STA) & ICH_GLOB_STA_PCR)
 			break;		/*		or ICH_SCR? */
 		DELAY(1);
 	}
@@ -1183,7 +1158,7 @@
 
 	sc = pcm_getdevinfo(dev);
 
-	if (sc->regtype == SYS_RES_IOPORT)
+	if (sc->spec == ich_res_spec_io)
 		pci_enable_io(dev, SYS_RES_IOPORT);
 	else
 		pci_enable_io(dev, SYS_RES_MEMORY);


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