PERFORCE change 64776 for review

Julian Elischer julian at FreeBSD.org
Tue Nov 9 20:48:56 PST 2004


http://perforce.freebsd.org/chv.cgi?CH=64776

Change 64776 by julian at julian_ref on 2004/11/10 04:48:22

	IFC at 64774 to get maestro changes

Affected files ...

.. //depot/projects/nsched/sys/dev/sound/pci/maestro.c#4 integrate
.. //depot/projects/nsched/sys/dev/sound/pci/maestro_reg.h#2 integrate

Differences ...

==== //depot/projects/nsched/sys/dev/sound/pci/maestro.c#4 (text+ko) ====

@@ -23,7 +23,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- *	$Id: maestro.c,v 1.18 2003/07/01 15:52:01 scottl Exp $
+ *	maestro.c,v 1.23.2.1 2003/10/03 18:21:38 taku Exp
  */
 
 /*
@@ -42,6 +42,9 @@
  * were looked at by
  * Munehiro Matsuda <haro at tk.kubota.co.jp>,
  * who brought patches based on the Linux driver with some simplification.
+ *
+ * Hardware volume controller was implemented by
+ * John Baldwin <jhb at freebsd.org>.
  */
 
 #include <dev/sound/pcm/sound.h>
@@ -51,7 +54,8 @@
 
 #include <dev/sound/pci/maestro_reg.h>
 
-SND_DECLARE_FILE("$FreeBSD: src/sys/dev/sound/pci/maestro.c,v 1.24 2004/08/22 18:57:40 green Exp $");
+SND_DECLARE_FILE("$FreeBSD: src/sys/dev/sound/pci/maestro.c,v 1.25 2004/11/10 04:29:09 julian Exp $");
+
 
 #define inline __inline
 
@@ -70,60 +74,150 @@
 #define NEC_SUBID1	0x80581033	/* Taken from Linux driver */
 #define NEC_SUBID2	0x803c1033	/* NEC VersaProNX VA26D    */
 
-#ifndef AGG_MAXPLAYCH
+#ifdef AGG_MAXPLAYCH
+# if AGG_MAXPLAYCH > 4
+#  undef AGG_MAXPLAYCH
+#  define AGG_MAXPLAYCH 4
+# endif
+#else
 # define AGG_MAXPLAYCH	4
 #endif
 
 #define AGG_DEFAULT_BUFSZ	0x4000 /* 0x1000, but gets underflows */
 
 
+/* compatibility */
+#if __FreeBSD_version < 500000
+# define critical_enter()	disable_intr()
+# define critical_exit()	enable_intr()
+#endif
+
+#ifndef PCIR_BAR
+#define PCIR_BAR(x)	(PCIR_MAPS + (x) * 4)
+#endif
+
+
 /* -----------------------------
  * Data structures.
  */
 struct agg_chinfo {
+	/* parent softc */
 	struct agg_info		*parent;
+
+	/* FreeBSD newpcm related */
 	struct pcm_channel	*channel;
 	struct snd_dbuf		*buffer;
-	bus_addr_t		offset;
-	u_int32_t		blocksize;
+
+	/* OS independent */
+	bus_addr_t		phys;	/* channel buffer physical address */
+	bus_addr_t		base;	/* channel buffer segment base */
+	u_int32_t		blklen;	/* DMA block length in WORDs */
+	u_int32_t		buflen;	/* channel buffer length in WORDs */
+	u_int32_t		speed;
+	unsigned		num	: 3;
+	unsigned		stereo	: 1;
+	unsigned		qs16	: 1;	/* quantum size is 16bit */
+	unsigned		us	: 1;	/* in unsigned format */
+};
+
+struct agg_rchinfo {
+	/* parent softc */
+	struct agg_info		*parent;
+
+	/* FreeBSD newpcm related */
+	struct pcm_channel	*channel;
+	struct snd_dbuf		*buffer;
+
+	/* OS independent */
+	bus_addr_t		phys;	/* channel buffer physical address */
+	bus_addr_t		base;	/* channel buffer segment base */
+	u_int32_t		blklen;	/* DMA block length in WORDs */
+	u_int32_t		buflen;	/* channel buffer length in WORDs */
 	u_int32_t		speed;
-	int			dir;
-	u_int			num;
-	u_int16_t		aputype;
-	u_int16_t		wcreg_tpl;
+	unsigned			: 3;
+	unsigned		stereo	: 1;
+	bus_addr_t		srcphys;
+	int16_t			*src;	/* stereo peer buffer */
+	int16_t			*sink;	/* channel buffer pointer */
+	volatile u_int32_t	hwptr;	/* ready point in 16bit sample */
 };
 
 struct agg_info {
+	/* FreeBSD newbus related */
 	device_t		dev;
+
+	/* I wonder whether bus_space_* are in common in *BSD... */
 	struct resource		*reg;
 	int			regid;
-
 	bus_space_tag_t		st;
 	bus_space_handle_t	sh;
-	bus_dma_tag_t		parent_dmat;
 
 	struct resource		*irq;
 	int			irqid;
 	void			*ih;
 
-	u_int8_t		*stat;
-	bus_addr_t		baseaddr;
+	bus_dma_tag_t		buf_dmat;
+	bus_dma_tag_t		stat_dmat;
 
+	/* FreeBSD SMPng related */
+#ifdef USING_MUTEX
+	struct mtx		lock;	/* mutual exclusion */
+#endif
+	/* FreeBSD newpcm related */
 	struct ac97_info	*codec;
-	struct mtx		*lock;
 
-	unsigned int		bufsz;
-	u_int			playchns, active;
+	/* OS independent */
+	u_int8_t		*stat;	/* status buffer pointer */
+	bus_addr_t		phys;	/* status buffer physical address */
+	unsigned int		bufsz;	/* channel buffer size in bytes */
+	u_int			playchns;
+	volatile u_int		active;
 	struct agg_chinfo	pch[AGG_MAXPLAYCH];
-	struct agg_chinfo	rch;
+	struct agg_rchinfo	rch;
+	volatile u_int8_t	curpwr;	/* current power status: D[0-3] */
 };
 
+
+/* -----------------------------
+ * Sysctls for debug.
+ */
+static unsigned int powerstate_active = PCI_POWERSTATE_D1;
+#ifdef MAESTRO_AGGRESSIVE_POWERSAVE
+static unsigned int powerstate_idle   = PCI_POWERSTATE_D2;
+#else
+static unsigned int powerstate_idle   = PCI_POWERSTATE_D1;
+#endif
+static unsigned int powerstate_init   = PCI_POWERSTATE_D2;
+
+SYSCTL_NODE(_debug, OID_AUTO, maestro, CTLFLAG_RD, 0, "");
+SYSCTL_UINT(_debug_maestro, OID_AUTO, powerstate_active, CTLFLAG_RW,
+	    &powerstate_active, 0, "The Dx power state when active (0-1)");
+SYSCTL_UINT(_debug_maestro, OID_AUTO, powerstate_idle, CTLFLAG_RW,
+	    &powerstate_idle, 0, "The Dx power state when idle (0-2)");
+SYSCTL_UINT(_debug_maestro, OID_AUTO, powerstate_init, CTLFLAG_RW,
+	    &powerstate_init, 0, "The Dx power state prior to the first use (0-2)");
+
+
+/* -----------------------------
+ * Prototypes
+ */
+
+static inline void	 agg_lock(struct agg_info*);
+static inline void	 agg_unlock(struct agg_info*);
+static inline void	 agg_sleep(struct agg_info*, const char *wmesg, int msec);
+
+static inline u_int32_t	 agg_rd(struct agg_info*, int, int size);
+static inline void	 agg_wr(struct agg_info*, int, u_int32_t data, int size);
+
+static inline int	 agg_rdcodec(struct agg_info*, int);
+static inline int	 agg_wrcodec(struct agg_info*, int, u_int32_t);
+
 static inline void	 ringbus_setdest(struct agg_info*, int, int);
 
 static inline u_int16_t	 wp_rdreg(struct agg_info*, u_int16_t);
 static inline void	 wp_wrreg(struct agg_info*, u_int16_t, u_int16_t);
-static inline u_int16_t	 wp_rdapu(struct agg_info*, int, u_int16_t);
-static inline void	 wp_wrapu(struct agg_info*, int, u_int16_t, u_int16_t);
+static inline u_int16_t	 wp_rdapu(struct agg_info*, unsigned, u_int16_t);
+static inline void	 wp_wrapu(struct agg_info*, unsigned, u_int16_t, u_int16_t);
 static inline void	 wp_settimer(struct agg_info*, u_int);
 static inline void	 wp_starttimer(struct agg_info*);
 static inline void	 wp_stoptimer(struct agg_info*);
@@ -133,16 +227,22 @@
 static inline u_int16_t	 wc_rdchctl(struct agg_info*, int);
 static inline void	 wc_wrchctl(struct agg_info*, int, u_int16_t);
 
-static inline void	 agg_power(struct agg_info*, int);
+static inline void	 agg_stopclock(struct agg_info*, int part, int st);
 
+static inline void	 agg_initcodec(struct agg_info*);
 static void		 agg_init(struct agg_info*);
+static void		 agg_power(struct agg_info*, int);
 
 static void		 aggch_start_dac(struct agg_chinfo*);
 static void		 aggch_stop_dac(struct agg_chinfo*);
+static void		 aggch_start_adc(struct agg_rchinfo*);
+static void		 aggch_stop_adc(struct agg_rchinfo*);
+static void		 aggch_feed_adc_stereo(struct agg_rchinfo*);
+static void		 aggch_feed_adc_mono(struct agg_rchinfo*);
 
 static inline void	 suppress_jitter(struct agg_chinfo*);
+static inline void	 suppress_rec_jitter(struct agg_rchinfo*);
 
-static inline u_int	 calc_timer_freq(struct agg_chinfo*);
 static void		 set_timer(struct agg_info*);
 
 static void		 agg_intr(void *);
@@ -153,181 +253,260 @@
 static int		 agg_resume(device_t);
 static int		 agg_shutdown(device_t);
 
-static void	*dma_malloc(struct agg_info*, u_int32_t, bus_addr_t*);
-static void	 dma_free(struct agg_info*, void *);
+static void	*dma_malloc(bus_dma_tag_t, u_int32_t, bus_addr_t*);
+static void	 dma_free(bus_dma_tag_t, void *);
+
 
 /* -----------------------------
  * Subsystems.
  */
 
-/* Codec/Ringbus */
+/* locking */
+
+static inline void
+agg_lock(struct agg_info *sc)
+{
+#ifdef USING_MUTEX
+	mtx_lock(&sc->lock);
+#endif
+}
+
+static inline void
+agg_unlock(struct agg_info *sc)
+{
+#ifdef USING_MUTEX
+	mtx_unlock(&sc->lock);
+#endif
+}
+
+static inline void
+agg_sleep(struct agg_info *sc, const char *wmesg, int msec)
+{
+	int timo;
+
+	timo = msec * hz / 1000;
+	if (timo == 0)
+		timo = 1;
+#ifdef USING_MUTEX
+	msleep(sc, &sc->lock, PWAIT, wmesg, timo);
+#else
+	tsleep(sc, PWAIT, wmesg, timo);
+#endif
+}
+
+
+/* I/O port */
+
+static inline u_int32_t
+agg_rd(struct agg_info *sc, int regno, int size)
+{
+	switch (size) {
+	case 1:
+		return bus_space_read_1(sc->st, sc->sh, regno);
+	case 2:
+		return bus_space_read_2(sc->st, sc->sh, regno);
+	case 4:
+		return bus_space_read_4(sc->st, sc->sh, regno);
+	default:
+		return ~(u_int32_t)0;
+	}
+}
+
+#define AGG_RD(sc, regno, size)           \
+	bus_space_read_##size(            \
+	    ((struct agg_info*)(sc))->st, \
+	    ((struct agg_info*)(sc))->sh, (regno))
+
+static inline void
+agg_wr(struct agg_info *sc, int regno, u_int32_t data, int size)
+{
+	switch (size) {
+	case 1:
+		bus_space_write_1(sc->st, sc->sh, regno, data);
+		break;
+	case 2:
+		bus_space_write_2(sc->st, sc->sh, regno, data);
+		break;
+	case 4:
+		bus_space_write_4(sc->st, sc->sh, regno, data);
+		break;
+	}
+}
+
+#define AGG_WR(sc, regno, data, size)     \
+	bus_space_write_##size(           \
+	    ((struct agg_info*)(sc))->st, \
+	    ((struct agg_info*)(sc))->sh, (regno), (data))
 
 /* -------------------------------------------------------------------- */
 
-static u_int32_t
-agg_ac97_init(kobj_t obj, void *sc)
+/* Codec/Ringbus */
+
+static inline int
+agg_codec_wait4idle(struct agg_info *ess)
 {
-	struct agg_info *ess = sc;
+	unsigned t = 26;
 
-	return (bus_space_read_1(ess->st, ess->sh, PORT_CODEC_STAT) & CODEC_STAT_MASK)? 0 : 1;
+	while (AGG_RD(ess, PORT_CODEC_STAT, 1) & CODEC_STAT_MASK) {
+		if (--t == 0)
+			return EBUSY;
+		DELAY(2);	/* 20.8us / 13 */
+	}
+	return 0;
 }
 
-static int
-agg_rdcodec(kobj_t obj, void *sc, int regno)
+
+static inline int
+agg_rdcodec(struct agg_info *ess, int regno)
 {
-	struct agg_info *ess = sc;
-	unsigned t;
+	int ret;
 
 	/* We have to wait for a SAFE time to write addr/data */
-	for (t = 0; t < 20; t++) {
-		if ((bus_space_read_1(ess->st, ess->sh, PORT_CODEC_STAT)
-		    & CODEC_STAT_MASK) != CODEC_STAT_PROGLESS)
-			break;
-		DELAY(2);	/* 20.8us / 13 */
+	if (agg_codec_wait4idle(ess)) {
+		/* Timed out. No read performed. */
+		device_printf(ess->dev, "agg_rdcodec() PROGLESS timed out.\n");
+		return -1;
 	}
-	if (t == 20)
-		device_printf(ess->dev, "agg_rdcodec() PROGLESS timed out.\n");
 
-	bus_space_write_1(ess->st, ess->sh, PORT_CODEC_CMD,
-	    CODEC_CMD_READ | regno);
-	DELAY(21);	/* AC97 cycle = 20.8usec */
+	AGG_WR(ess, PORT_CODEC_CMD, CODEC_CMD_READ | regno, 1);
+	/*DELAY(21);	* AC97 cycle = 20.8usec */
 
 	/* Wait for data retrieve */
-	for (t = 0; t < 20; t++) {
-		if ((bus_space_read_1(ess->st, ess->sh, PORT_CODEC_STAT)
-		    & CODEC_STAT_MASK) == CODEC_STAT_RW_DONE)
-			break;
-		DELAY(2);	/* 20.8us / 13 */
+	if (!agg_codec_wait4idle(ess)) {
+		ret = AGG_RD(ess, PORT_CODEC_REG, 2);
+	} else {
+		/* Timed out. No read performed. */
+		device_printf(ess->dev, "agg_rdcodec() RW_DONE timed out.\n");
+		ret = -1;
 	}
-	if (t == 20)
-		/* Timed out, but perform dummy read. */
-		device_printf(ess->dev, "agg_rdcodec() RW_DONE timed out.\n");
 
-	return bus_space_read_2(ess->st, ess->sh, PORT_CODEC_REG);
+	return ret;
 }
 
-static int
-agg_wrcodec(kobj_t obj, void *sc, int regno, u_int32_t data)
+static inline int
+agg_wrcodec(struct agg_info *ess, int regno, u_int32_t data)
 {
-	unsigned t;
-	struct agg_info *ess = sc;
-
 	/* We have to wait for a SAFE time to write addr/data */
-	for (t = 0; t < 20; t++) {
-		if ((bus_space_read_1(ess->st, ess->sh, PORT_CODEC_STAT)
-		    & CODEC_STAT_MASK) != CODEC_STAT_PROGLESS)
-			break;
-		DELAY(2);	/* 20.8us / 13 */
-	}
-	if (t == 20) {
+	if (agg_codec_wait4idle(ess)) {
 		/* Timed out. Abort writing. */
 		device_printf(ess->dev, "agg_wrcodec() PROGLESS timed out.\n");
 		return -1;
 	}
 
-	bus_space_write_2(ess->st, ess->sh, PORT_CODEC_REG, data);
-	bus_space_write_1(ess->st, ess->sh, PORT_CODEC_CMD,
-	    CODEC_CMD_WRITE | regno);
+	AGG_WR(ess, PORT_CODEC_REG, data, 2);
+	AGG_WR(ess, PORT_CODEC_CMD, CODEC_CMD_WRITE | regno, 1);
+
+	/* Wait for write completion */
+	if (agg_codec_wait4idle(ess)) {
+		/* Timed out. */
+		device_printf(ess->dev, "agg_wrcodec() RW_DONE timed out.\n");
+		return -1;
+	}
 
 	return 0;
 }
 
-static kobj_method_t agg_ac97_methods[] = {
-    	KOBJMETHOD(ac97_init,		agg_ac97_init),
-    	KOBJMETHOD(ac97_read,		agg_rdcodec),
-    	KOBJMETHOD(ac97_write,		agg_wrcodec),
-	{ 0, 0 }
-};
-AC97_DECLARE(agg_ac97);
-
-/* -------------------------------------------------------------------- */
-
 static inline void
 ringbus_setdest(struct agg_info *ess, int src, int dest)
 {
 	u_int32_t	data;
 
-	data = bus_space_read_4(ess->st, ess->sh, PORT_RINGBUS_CTRL);
+	data = AGG_RD(ess, PORT_RINGBUS_CTRL, 4);
 	data &= ~(0xfU << src);
 	data |= (0xfU & dest) << src;
-	bus_space_write_4(ess->st, ess->sh, PORT_RINGBUS_CTRL, data);
+	AGG_WR(ess, PORT_RINGBUS_CTRL, data, 4);
 }
 
+/* -------------------------------------------------------------------- */
+
 /* Wave Processor */
 
 static inline u_int16_t
 wp_rdreg(struct agg_info *ess, u_int16_t reg)
 {
-	bus_space_write_2(ess->st, ess->sh, PORT_DSP_INDEX, reg);
-	return bus_space_read_2(ess->st, ess->sh, PORT_DSP_DATA);
+	AGG_WR(ess, PORT_DSP_INDEX, reg, 2);
+	return AGG_RD(ess, PORT_DSP_DATA, 2);
 }
 
 static inline void
 wp_wrreg(struct agg_info *ess, u_int16_t reg, u_int16_t data)
 {
-	bus_space_write_2(ess->st, ess->sh, PORT_DSP_INDEX, reg);
-	bus_space_write_2(ess->st, ess->sh, PORT_DSP_DATA, data);
+	AGG_WR(ess, PORT_DSP_INDEX, reg, 2);
+	AGG_WR(ess, PORT_DSP_DATA, data, 2);
 }
 
-static inline void
-apu_setindex(struct agg_info *ess, u_int16_t reg)
+static inline int
+wp_wait_data(struct agg_info *ess, u_int16_t data)
 {
-	int t;
+	unsigned t = 0;
 
-	wp_wrreg(ess, WPREG_CRAM_PTR, reg);
-	/* Sometimes WP fails to set apu register index. */
-	for (t = 0; t < 1000; t++) {
-		if (bus_space_read_2(ess->st, ess->sh, PORT_DSP_DATA) == reg)
-			break;
-		bus_space_write_2(ess->st, ess->sh, PORT_DSP_DATA, reg);
+	while (AGG_RD(ess, PORT_DSP_DATA, 2) != data) {
+		if (++t == 1000) {
+			return EAGAIN;
+		}
+		AGG_WR(ess, PORT_DSP_DATA, data, 2);
 	}
-	if (t == 1000)
-		device_printf(ess->dev, "apu_setindex() timed out.\n");
+
+	return 0;
 }
 
 static inline u_int16_t
-wp_rdapu(struct agg_info *ess, int ch, u_int16_t reg)
+wp_rdapu(struct agg_info *ess, unsigned ch, u_int16_t reg)
 {
-	u_int16_t ret;
+	wp_wrreg(ess, WPREG_CRAM_PTR, reg | (ch << 4));
+	if (wp_wait_data(ess, reg | (ch << 4)) != 0)
+		device_printf(ess->dev, "wp_rdapu() indexing timed out.\n");
+	return wp_rdreg(ess, WPREG_DATA_PORT);
+}
 
-	apu_setindex(ess, ((unsigned)ch << 4) + reg);
-	ret = wp_rdreg(ess, WPREG_DATA_PORT);
-	return ret;
+static inline void
+wp_wrapu(struct agg_info *ess, unsigned ch, u_int16_t reg, u_int16_t data)
+{
+	wp_wrreg(ess, WPREG_CRAM_PTR, reg | (ch << 4));
+	if (wp_wait_data(ess, reg | (ch << 4)) == 0) {
+		wp_wrreg(ess, WPREG_DATA_PORT, data);
+		if (wp_wait_data(ess, data) != 0)
+			device_printf(ess->dev, "wp_wrapu() write timed out.\n");
+	} else {
+		device_printf(ess->dev, "wp_wrapu() indexing timed out.\n");
+	}
 }
 
 static inline void
-wp_wrapu(struct agg_info *ess, int ch, u_int16_t reg, u_int16_t data)
+apu_setparam(struct agg_info *ess, int apuch,
+    u_int32_t wpwa, u_int16_t size, int16_t pan, u_int dv)
 {
-	int t;
-
-	apu_setindex(ess, ((unsigned)ch << 4) + reg);
-	wp_wrreg(ess, WPREG_DATA_PORT, data);
-	for (t = 0; t < 1000; t++) {
-		if (bus_space_read_2(ess->st, ess->sh, PORT_DSP_DATA) == data)
-			break;
-		bus_space_write_2(ess->st, ess->sh, PORT_DSP_DATA, data);
-	}
-	if (t == 1000)
-		device_printf(ess->dev, "wp_wrapu() timed out.\n");
+	wp_wrapu(ess, apuch, APUREG_WAVESPACE, (wpwa >> 8) & APU_64KPAGE_MASK);
+	wp_wrapu(ess, apuch, APUREG_CURPTR, wpwa);
+	wp_wrapu(ess, apuch, APUREG_ENDPTR, wpwa + size);
+	wp_wrapu(ess, apuch, APUREG_LOOPLEN, size);
+	wp_wrapu(ess, apuch, APUREG_ROUTING, 0);
+	wp_wrapu(ess, apuch, APUREG_AMPLITUDE, 0xf000);
+	wp_wrapu(ess, apuch, APUREG_POSITION, 0x8f00
+	    | (APU_RADIUS_MASK & (RADIUS_CENTERCIRCLE << APU_RADIUS_SHIFT))
+	    | (APU_PAN_MASK & ((pan + PAN_FRONT) << APU_PAN_SHIFT)));
+	wp_wrapu(ess, apuch, APUREG_FREQ_LOBYTE,
+	    APU_plus6dB | ((dv & 0xff) << APU_FREQ_LOBYTE_SHIFT));
+	wp_wrapu(ess, apuch, APUREG_FREQ_HIWORD, dv >> 8);
 }
 
 static inline void
-wp_settimer(struct agg_info *ess, u_int freq)
+wp_settimer(struct agg_info *ess, u_int divide)
 {
-	u_int clock = 48000 << 2;
-	u_int prescale = 0, divide = (freq != 0) ? (clock / freq) : ~0;
+	u_int prescale = 0;
 
-	RANGE(divide, 4, 32 << 8);
+	RANGE(divide, 2, 32 << 7);
 
-	for (; divide > 32 << 1; divide >>= 1)
+	for (; divide > 32; divide >>= 1) {
 		prescale++;
-	divide = (divide + 1) >> 1;
+		divide++;
+	}
 
 	for (; prescale < 7 && divide > 2 && !(divide & 1); divide >>= 1)
 		prescale++;
 
 	wp_wrreg(ess, WPREG_TIMER_ENABLE, 0);
-	wp_wrreg(ess, WPREG_TIMER_FREQ,
+	wp_wrreg(ess, WPREG_TIMER_FREQ, 0x9000 |
 	    (prescale << WP_TIMER_FREQ_PRESCALE_SHIFT) | (divide - 1));
 	wp_wrreg(ess, WPREG_TIMER_ENABLE, 1);
 }
@@ -335,30 +514,37 @@
 static inline void
 wp_starttimer(struct agg_info *ess)
 {
+	AGG_WR(ess, PORT_INT_STAT, 1, 2);
+	AGG_WR(ess, PORT_HOSTINT_CTRL, HOSTINT_CTRL_DSOUND_INT_ENABLED
+	       | AGG_RD(ess, PORT_HOSTINT_CTRL, 2), 2);
 	wp_wrreg(ess, WPREG_TIMER_START, 1);
 }
 
 static inline void
 wp_stoptimer(struct agg_info *ess)
 {
+	AGG_WR(ess, PORT_HOSTINT_CTRL, ~HOSTINT_CTRL_DSOUND_INT_ENABLED
+	       & AGG_RD(ess, PORT_HOSTINT_CTRL, 2), 2);
+	AGG_WR(ess, PORT_INT_STAT, 1, 2);
 	wp_wrreg(ess, WPREG_TIMER_START, 0);
-	bus_space_write_2(ess->st, ess->sh, PORT_INT_STAT, 1);
 }
 
+/* -------------------------------------------------------------------- */
+
 /* WaveCache */
 
 static inline u_int16_t
 wc_rdreg(struct agg_info *ess, u_int16_t reg)
 {
-	bus_space_write_2(ess->st, ess->sh, PORT_WAVCACHE_INDEX, reg);
-	return bus_space_read_2(ess->st, ess->sh, PORT_WAVCACHE_DATA);
+	AGG_WR(ess, PORT_WAVCACHE_INDEX, reg, 2);
+	return AGG_RD(ess, PORT_WAVCACHE_DATA, 2);
 }
 
 static inline void
 wc_wrreg(struct agg_info *ess, u_int16_t reg, u_int16_t data)
 {
-	bus_space_write_2(ess->st, ess->sh, PORT_WAVCACHE_INDEX, reg);
-	bus_space_write_2(ess->st, ess->sh, PORT_WAVCACHE_DATA, data);
+	AGG_WR(ess, PORT_WAVCACHE_INDEX, reg, 2);
+	AGG_WR(ess, PORT_WAVCACHE_DATA, data, 2);
 }
 
 static inline u_int16_t
@@ -373,16 +559,26 @@
 	wc_wrreg(ess, ch << 3, data);
 }
 
+/* -------------------------------------------------------------------- */
+
 /* Power management */
-
 static inline void
-agg_power(struct agg_info *ess, int status)
+agg_stopclock(struct agg_info *ess, int part, int st)
 {
-	u_int8_t data;
+	u_int32_t data;
 
-	data = pci_read_config(ess->dev, CONF_PM_PTR, 1);
-	if (pci_read_config(ess->dev, data, 1) == PPMI_CID)
-		pci_write_config(ess->dev, data + PM_CTRL, status, 1);
+	data = pci_read_config(ess->dev, CONF_ACPI_STOPCLOCK, 4);
+	if (part < 16) {
+		if (st == PCI_POWERSTATE_D1)
+			data &= ~(1 << part);
+		else
+			data |= (1 << part);
+		if (st == PCI_POWERSTATE_D1 || st == PCI_POWERSTATE_D2)
+			data |= (0x10000 << part);
+		else
+			data &= ~(0x10000 << part);
+		pci_write_config(ess->dev, CONF_ACPI_STOPCLOCK, data, 4);
+	}
 }
 
 
@@ -395,46 +591,38 @@
 {
 	u_int16_t data;
 
-	if (bus_space_read_4(ess->st, ess->sh, PORT_RINGBUS_CTRL)
-	    & RINGBUS_CTRL_ACLINK_ENABLED) {
-		bus_space_write_4(ess->st, ess->sh, PORT_RINGBUS_CTRL, 0);
+	if (AGG_RD(ess, PORT_RINGBUS_CTRL, 4) & RINGBUS_CTRL_ACLINK_ENABLED) {
+		AGG_WR(ess, PORT_RINGBUS_CTRL, 0, 4);
 		DELAY(104);	/* 20.8us * (4 + 1) */
 	}
 	/* XXX - 2nd codec should be looked at. */
-	bus_space_write_4(ess->st, ess->sh, PORT_RINGBUS_CTRL,
-	    RINGBUS_CTRL_AC97_SWRESET);
+	AGG_WR(ess, PORT_RINGBUS_CTRL, RINGBUS_CTRL_AC97_SWRESET, 4);
 	DELAY(2);
-	bus_space_write_4(ess->st, ess->sh, PORT_RINGBUS_CTRL,
-	    RINGBUS_CTRL_ACLINK_ENABLED);
-	DELAY(21);
+	AGG_WR(ess, PORT_RINGBUS_CTRL, RINGBUS_CTRL_ACLINK_ENABLED, 4);
+	DELAY(50);
 
-	agg_rdcodec(NULL, ess, 0);
-	if (bus_space_read_1(ess->st, ess->sh, PORT_CODEC_STAT)
-	    & CODEC_STAT_MASK) {
-		bus_space_write_4(ess->st, ess->sh, PORT_RINGBUS_CTRL, 0);
+	if (agg_rdcodec(ess, 0) < 0) {
+		AGG_WR(ess, PORT_RINGBUS_CTRL, 0, 4);
 		DELAY(21);
 
 		/* Try cold reset. */
 		device_printf(ess->dev, "will perform cold reset.\n");
-		data = bus_space_read_2(ess->st, ess->sh, PORT_GPIO_DIR);
+		data = AGG_RD(ess, PORT_GPIO_DIR, 2);
 		if (pci_read_config(ess->dev, 0x58, 2) & 1)
 			data |= 0x10;
-		data |= 0x009 &
-		    ~bus_space_read_2(ess->st, ess->sh, PORT_GPIO_DATA);
-		bus_space_write_2(ess->st, ess->sh, PORT_GPIO_MASK, 0xff6);
-		bus_space_write_2(ess->st, ess->sh, PORT_GPIO_DIR,
-		    data | 0x009);
-		bus_space_write_2(ess->st, ess->sh, PORT_GPIO_DATA, 0x000);
+		data |= 0x009 & ~AGG_RD(ess, PORT_GPIO_DATA, 2);
+		AGG_WR(ess, PORT_GPIO_MASK, 0xff6, 2);
+		AGG_WR(ess, PORT_GPIO_DIR, data | 0x009, 2);
+		AGG_WR(ess, PORT_GPIO_DATA, 0x000, 2);
 		DELAY(2);
-		bus_space_write_2(ess->st, ess->sh, PORT_GPIO_DATA, 0x001);
+		AGG_WR(ess, PORT_GPIO_DATA, 0x001, 2);
 		DELAY(1);
-		bus_space_write_2(ess->st, ess->sh, PORT_GPIO_DATA, 0x009);
-		DELAY(500000);
-		bus_space_write_2(ess->st, ess->sh, PORT_GPIO_DIR, data);
+		AGG_WR(ess, PORT_GPIO_DATA, 0x009, 2);
+		agg_sleep(ess, "agginicd", 500);
+		AGG_WR(ess, PORT_GPIO_DIR, data, 2);
 		DELAY(84);	/* 20.8us * 4 */
-		bus_space_write_4(ess->st, ess->sh, PORT_RINGBUS_CTRL,
-		    RINGBUS_CTRL_ACLINK_ENABLED);
-		DELAY(21);
+		AGG_WR(ess, PORT_RINGBUS_CTRL, RINGBUS_CTRL_ACLINK_ENABLED, 4);
+		DELAY(50);
 	}
 }
 
@@ -455,47 +643,93 @@
 	 * Prefer PCI timing rather than that of ISA.
 	 * Don't swap L/R. */
 	data = pci_read_config(ess->dev, CONF_MAESTRO, 4);
+	data |= MAESTRO_PMC;
 	data |= MAESTRO_CHIBUS | MAESTRO_POSTEDWRITE | MAESTRO_DMA_PCITIMING;
 	data &= ~MAESTRO_SWAP_LR;
 	pci_write_config(ess->dev, CONF_MAESTRO, data, 4);
 
+	/* Turn off unused parts if necessary. */
+	/* consult CONF_MAESTRO. */
+	if (data & MAESTRO_SPDIF)
+		agg_stopclock(ess, ACPI_PART_SPDIF,	PCI_POWERSTATE_D2);
+	else
+		agg_stopclock(ess, ACPI_PART_SPDIF,	PCI_POWERSTATE_D1);
+	if (data & MAESTRO_HWVOL)
+		agg_stopclock(ess, ACPI_PART_HW_VOL,	PCI_POWERSTATE_D3);
+	else
+		agg_stopclock(ess, ACPI_PART_HW_VOL,	PCI_POWERSTATE_D1);
+
+	/* parts that never be used */
+	agg_stopclock(ess, ACPI_PART_978,	PCI_POWERSTATE_D1);
+	agg_stopclock(ess, ACPI_PART_DAA,	PCI_POWERSTATE_D1);
+	agg_stopclock(ess, ACPI_PART_GPIO,	PCI_POWERSTATE_D1);
+	agg_stopclock(ess, ACPI_PART_SB,	PCI_POWERSTATE_D1);
+	agg_stopclock(ess, ACPI_PART_FM,	PCI_POWERSTATE_D1);
+	agg_stopclock(ess, ACPI_PART_MIDI,	PCI_POWERSTATE_D1);
+	agg_stopclock(ess, ACPI_PART_GAME_PORT,	PCI_POWERSTATE_D1);
+
+	/* parts that will be used only when play/recording */
+	agg_stopclock(ess, ACPI_PART_WP,	PCI_POWERSTATE_D2);
+
+	/* parts that should always be turned on */
+	agg_stopclock(ess, ACPI_PART_CODEC_CLOCK, PCI_POWERSTATE_D3);
+	agg_stopclock(ess, ACPI_PART_GLUE,	PCI_POWERSTATE_D3);
+	agg_stopclock(ess, ACPI_PART_PCI_IF,	PCI_POWERSTATE_D3);
+	agg_stopclock(ess, ACPI_PART_RINGBUS,	PCI_POWERSTATE_D3);
+
 	/* Reset direct sound. */
-	bus_space_write_2(ess->st, ess->sh, PORT_HOSTINT_CTRL,
-	    HOSTINT_CTRL_DSOUND_RESET);
-	DELAY(10000);	/* XXX - too long? */
-	bus_space_write_2(ess->st, ess->sh, PORT_HOSTINT_CTRL, 0);
-	DELAY(10000);
+	AGG_WR(ess, PORT_HOSTINT_CTRL, HOSTINT_CTRL_SOFT_RESET, 2);
+	DELAY(100);
+	AGG_WR(ess, PORT_HOSTINT_CTRL, 0, 2);
+	DELAY(100);
+	AGG_WR(ess, PORT_HOSTINT_CTRL, HOSTINT_CTRL_DSOUND_RESET, 2);
+	DELAY(100);
+	AGG_WR(ess, PORT_HOSTINT_CTRL, 0, 2);
+	DELAY(100);
 
-	/* Enable direct sound interruption and hardware volume control. */
-	bus_space_write_2(ess->st, ess->sh, PORT_HOSTINT_CTRL,
-	    HOSTINT_CTRL_DSOUND_INT_ENABLED | HOSTINT_CTRL_HWVOL_ENABLED);
+	/* Enable hardware volume control interruption. */
+	if (data & MAESTRO_HWVOL)	/* XXX - why not use device flags? */
+		AGG_WR(ess, PORT_HOSTINT_CTRL,HOSTINT_CTRL_HWVOL_ENABLED, 2);
 
 	/* Setup Wave Processor. */
 
 	/* Enable WaveCache, set DMA base address. */
 	wp_wrreg(ess, WPREG_WAVE_ROMRAM,
 	    WP_WAVE_VIRTUAL_ENABLED | WP_WAVE_DRAM_ENABLED);
-	bus_space_write_2(ess->st, ess->sh, PORT_WAVCACHE_CTRL,
-	    WAVCACHE_ENABLED | WAVCACHE_WTSIZE_4MB);
+	wp_wrreg(ess, WPREG_CRAM_DATA, 0);
+
+	AGG_WR(ess, PORT_WAVCACHE_CTRL,
+	       WAVCACHE_ENABLED | WAVCACHE_WTSIZE_2MB | WAVCACHE_SGC_32_47, 2);
 
 	for (data = WAVCACHE_PCMBAR; data < WAVCACHE_PCMBAR + 4; data++)
-		wc_wrreg(ess, data, ess->baseaddr >> WAVCACHE_BASEADDR_SHIFT);
+		wc_wrreg(ess, data, ess->phys >> WAVCACHE_BASEADDR_SHIFT);
 
 	/* Setup Codec/Ringbus. */
 	agg_initcodec(ess);
-	bus_space_write_4(ess->st, ess->sh, PORT_RINGBUS_CTRL,
-	    RINGBUS_CTRL_RINGBUS_ENABLED | RINGBUS_CTRL_ACLINK_ENABLED);
+	AGG_WR(ess, PORT_RINGBUS_CTRL,
+	       RINGBUS_CTRL_RINGBUS_ENABLED | RINGBUS_CTRL_ACLINK_ENABLED, 4);
 
-	wp_wrreg(ess, WPREG_BASE, 0x8500);	/* Parallel I/O */
+	wp_wrreg(ess, 0x08, 0xB004);
+	wp_wrreg(ess, 0x09, 0x001B);
+	wp_wrreg(ess, 0x0A, 0x8000);
+	wp_wrreg(ess, 0x0B, 0x3F37);
+	wp_wrreg(ess, WPREG_BASE, 0x8598);	/* Parallel I/O */
+	wp_wrreg(ess, WPREG_BASE + 1, 0x7632);
 	ringbus_setdest(ess, RINGBUS_SRC_ADC,
 	    RINGBUS_DEST_STEREO | RINGBUS_DEST_DSOUND_IN);
 	ringbus_setdest(ess, RINGBUS_SRC_DSOUND,
 	    RINGBUS_DEST_STEREO | RINGBUS_DEST_DAC);
 
+	/* Enable S/PDIF if necessary. */
+	if (pci_read_config(ess->dev, CONF_MAESTRO, 4) & MAESTRO_SPDIF)
+		/* XXX - why not use device flags? */
+		AGG_WR(ess, PORT_RINGBUS_CTRL_B, RINGBUS_CTRL_SPDIF |
+		       AGG_RD(ess, PORT_RINGBUS_CTRL_B, 1), 1);
+
 	/* Setup ASSP. Needed for Dell Inspiron 7500? */
-	bus_space_write_1(ess->st, ess->sh, PORT_ASSP_CTRL_B, 0x00);
-	bus_space_write_1(ess->st, ess->sh, PORT_ASSP_CTRL_A, 0x03);
-	bus_space_write_1(ess->st, ess->sh, PORT_ASSP_CTRL_C, 0x00);
+	AGG_WR(ess, PORT_ASSP_CTRL_B, 0x00, 1);
+	AGG_WR(ess, PORT_ASSP_CTRL_A, 0x03, 1);
+	AGG_WR(ess, PORT_ASSP_CTRL_C, 0x00, 1);
 
 	/*
 	 * Setup GPIO.
@@ -507,84 +741,400 @@
 	case NEC_SUBID2:
 		/* Matthew Braithwaite <matt at braithwaite.net> reported that
 		 * NEC Versa LX doesn't need GPIO operation. */
-		bus_space_write_2(ess->st, ess->sh, PORT_GPIO_MASK, 0x9ff);
-		bus_space_write_2(ess->st, ess->sh, PORT_GPIO_DIR,
-		    bus_space_read_2(ess->st, ess->sh, PORT_GPIO_DIR) | 0x600);
-		bus_space_write_2(ess->st, ess->sh, PORT_GPIO_DATA, 0x200);
+		AGG_WR(ess, PORT_GPIO_MASK, 0x9ff, 2);
+		AGG_WR(ess, PORT_GPIO_DIR,
+		       AGG_RD(ess, PORT_GPIO_DIR, 2) | 0x600, 2);
+		AGG_WR(ess, PORT_GPIO_DATA, 0x200, 2);
+		break;
+	}
+}
+
+/* Deals power state transition. Must be called with softc->lock held. */
+static void
+agg_power(struct agg_info *ess, int status)
+{
+	u_int8_t lastpwr;
+
+	lastpwr = ess->curpwr;
+	if (lastpwr == status)
+		return;
+
+	switch (status) {
+	case PCI_POWERSTATE_D0:
+	case PCI_POWERSTATE_D1:
+		switch (lastpwr) {
+		case PCI_POWERSTATE_D2:
+			pci_set_powerstate(ess->dev, status);
+			/* Turn on PCM-related parts. */
+			agg_wrcodec(ess, AC97_REG_POWER, 0);
+			DELAY(100);
+#if 0
+			if ((agg_rdcodec(ess, AC97_REG_POWER) & 3) != 3)
+				device_printf(ess->dev, "warning: codec not ready.\n");
+#endif
+			AGG_WR(ess, PORT_RINGBUS_CTRL,
+			       (AGG_RD(ess, PORT_RINGBUS_CTRL, 4)
+				& ~RINGBUS_CTRL_ACLINK_ENABLED)
+			       | RINGBUS_CTRL_RINGBUS_ENABLED, 4);
+			DELAY(50);
+			AGG_WR(ess, PORT_RINGBUS_CTRL,
+			       AGG_RD(ess, PORT_RINGBUS_CTRL, 4)
+			       | RINGBUS_CTRL_ACLINK_ENABLED, 4);
+			break;
+		case PCI_POWERSTATE_D3:
+			/* Initialize. */
+			pci_set_powerstate(ess->dev, PCI_POWERSTATE_D0);
+			DELAY(100);
+			agg_init(ess);
+			/* FALLTHROUGH */
+		case PCI_POWERSTATE_D0:
+		case PCI_POWERSTATE_D1:
+			pci_set_powerstate(ess->dev, status);
+			break;
+		}
+		break;
+	case PCI_POWERSTATE_D2:
+		switch (lastpwr) {
+		case PCI_POWERSTATE_D3:
+			/* Initialize. */
+			pci_set_powerstate(ess->dev, PCI_POWERSTATE_D0);
+			DELAY(100);
+			agg_init(ess);
+			/* FALLTHROUGH */
+		case PCI_POWERSTATE_D0:
+		case PCI_POWERSTATE_D1:
+			/* Turn off PCM-related parts. */
+			AGG_WR(ess, PORT_RINGBUS_CTRL,
+			       AGG_RD(ess, PORT_RINGBUS_CTRL, 4)
+			       & ~RINGBUS_CTRL_RINGBUS_ENABLED, 4);
+			DELAY(100);
+			agg_wrcodec(ess, AC97_REG_POWER, 0x300);
+			DELAY(100);
+			break;
+		}
+		pci_set_powerstate(ess->dev, status);
+		break;
+	case PCI_POWERSTATE_D3:
+		/* Entirely power down. */
+		agg_wrcodec(ess, AC97_REG_POWER, 0xdf00);
+		DELAY(100);
+		AGG_WR(ess, PORT_RINGBUS_CTRL, 0, 4);
+		/*DELAY(1);*/
+		if (lastpwr != PCI_POWERSTATE_D2)
+			wp_stoptimer(ess);
+		AGG_WR(ess, PORT_HOSTINT_CTRL, 0, 2);
+		AGG_WR(ess, PORT_HOSTINT_STAT, 0xff, 1);
+		pci_set_powerstate(ess->dev, status);
+		break;
+	default:
+		/* Invalid power state; let it ignored. */
+		status = lastpwr;
 		break;
 	}
+
+	ess->curpwr = status;
 }
 
+/* -------------------------------------------------------------------- */
+
 /* Channel controller. */
 
 static void
 aggch_start_dac(struct agg_chinfo *ch)
 {
-	bus_addr_t wpwa = APU_USE_SYSMEM | (ch->offset >> 9);
-	u_int size = ch->parent->bufsz >> 1;
-	u_int speed = ch->speed;
-	bus_addr_t offset = ch->offset >> 1;
-	u_int cp = 0;
-	u_int16_t apuch = ch->num << 1;
-	u_int dv;
-	int pan = 0;
+	bus_addr_t	wpwa;
+	u_int32_t	speed;
+	u_int16_t	size, apuch, wtbar, wcreg, aputype;
+	u_int		dv;
+	int		pan;
+
+	speed = ch->speed;
+	wpwa = (ch->phys - ch->base) >> 1;
+	wtbar = 0xc & (wpwa >> WPWA_WTBAR_SHIFT(2));
+	wcreg = (ch->phys - 16) & WAVCACHE_CHCTL_ADDRTAG_MASK;
+	size  = ch->buflen;
+	apuch = (ch->num << 1) | 32;
+	pan = PAN_RIGHT - PAN_FRONT;
 
-	switch (ch->aputype) {
-	case APUTYPE_16BITSTEREO:
-		wpwa >>= 1;
-		size >>= 1;
-		offset >>= 1;
-		cp >>= 1;
-		/* FALLTHROUGH */
-	case APUTYPE_8BITSTEREO:
-		pan = 8;
-		apuch++;
-		break;
-	case APUTYPE_8BITLINEAR:
-		speed >>= 1;
-		break;
+	if (ch->stereo) {
+		wcreg |= WAVCACHE_CHCTL_STEREO;
+		if (ch->qs16) {
+			aputype = APUTYPE_16BITSTEREO;
+			wpwa >>= 1;
+			size >>= 1;
+			pan = -pan;
+		} else
+			aputype = APUTYPE_8BITSTEREO;
+	} else {
+		pan = 0;

>>> TRUNCATED FOR MAIL (1000 lines) <<<


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