/*- * Copyright (c) 2000 Taku YAMAMOTO * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $Id: maestro.c,v 1.12 2000/09/06 03:32:34 taku Exp $ */ /* * Credits: * * Part of this code (especially in many magic numbers) was heavily inspired * by the Linux driver originally written by * Alan Cox , modified heavily by * Zach Brown . * * busdma()-ize and buffer size reduction were suggested by * Cameron Grant . * Also he showed me the way to use busdma() suite. * * Internal speaker problems on NEC VersaPro's and Dell Inspiron 7500 * were looked at by * Munehiro Matsuda , * who brought patches based on the Linux driver with some simplification. */ #include #include #include #include #include SND_DECLARE_FILE("$FreeBSD$"); #define inline __inline /* * PCI IDs of supported chips: * * MAESTRO-1 0x01001285 * MAESTRO-2 0x1968125d * MAESTRO-2E 0x1978125d */ #define MAESTRO_1_PCI_ID 0x01001285 #define MAESTRO_2_PCI_ID 0x1968125d #define MAESTRO_2E_PCI_ID 0x1978125d #define NEC_SUBID1 0x80581033 /* Taken from Linux driver */ #define NEC_SUBID2 0x803c1033 /* NEC VersaProNX VA26D */ #ifndef AGG_MAXPLAYCH # define AGG_MAXPLAYCH 4 #endif #define AGG_DEFAULT_BUFSZ 0x4000 /* 0x1000, but gets underflows */ /* ----------------------------- * Data structures. */ struct agg_chinfo { struct agg_info *parent; struct pcm_channel *channel; struct snd_dbuf *buffer; bus_addr_t offset; u_int32_t blocksize; u_int32_t speed; int dir; u_int num; u_int16_t aputype; u_int16_t wcreg_tpl; }; struct agg_info { device_t dev; 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; struct ac97_info *codec; void *lock; unsigned int bufsz; u_int playchns, active; struct agg_chinfo pch[AGG_MAXPLAYCH]; struct agg_chinfo rch; }; 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 void wp_settimer(struct agg_info*, u_int); static inline void wp_starttimer(struct agg_info*); static inline void wp_stoptimer(struct agg_info*); static inline u_int16_t wc_rdreg(struct agg_info*, u_int16_t); static inline void wc_wrreg(struct agg_info*, u_int16_t, u_int16_t); 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 void agg_init(struct agg_info*); static void aggch_start_dac(struct agg_chinfo*); static void aggch_stop_dac(struct agg_chinfo*); static inline void suppress_jitter(struct agg_chinfo*); static inline u_int calc_timer_freq(struct agg_chinfo*); static void set_timer(struct agg_info*); static void agg_intr(void *); static int agg_probe(device_t); static int agg_attach(device_t); static int agg_detach(device_t); static int agg_suspend(device_t); 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 *); /* ----------------------------- * Subsystems. */ /* Codec/Ringbus */ /* -------------------------------------------------------------------- */ static u_int32_t agg_ac97_init(kobj_t obj, void *sc) { struct agg_info *ess = sc; return (bus_space_read_1(ess->st, ess->sh, PORT_CODEC_STAT) & CODEC_STAT_MASK)? 0 : 1; } static int agg_rdcodec(kobj_t obj, void *sc, int regno) { struct agg_info *ess = sc; unsigned t; /* 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) 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 */ /* 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 (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); } static int agg_wrcodec(kobj_t obj, void *sc, 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) { /* 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); 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 &= ~(0xfU << src); data |= (0xfU & dest) << src; bus_space_write_4(ess->st, ess->sh, PORT_RINGBUS_CTRL, data); } /* 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); } 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); } static inline void apu_setindex(struct agg_info *ess, u_int16_t reg) { int t; 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); } if (t == 1000) device_printf(ess->dev, "apu_setindex() timed out.\n"); } static inline u_int16_t wp_rdapu(struct agg_info *ess, int ch, u_int16_t reg) { u_int16_t ret; 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, int ch, u_int16_t reg, u_int16_t data) { 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"); } static inline void wp_settimer(struct agg_info *ess, u_int freq) { u_int clock = 48000 << 2; u_int prescale = 0, divide = (freq != 0) ? (clock / freq) : ~0; RANGE(divide, 4, 32 << 8); for (; divide > 32 << 1; divide >>= 1) prescale++; divide = (divide + 1) >> 1; for (; prescale < 7 && divide > 2 && !(divide & 1); divide >>= 1) prescale++; wp_wrreg(ess, WPREG_TIMER_ENABLE, 0); wp_wrreg(ess, WPREG_TIMER_FREQ, (prescale << WP_TIMER_FREQ_PRESCALE_SHIFT) | (divide - 1)); wp_wrreg(ess, WPREG_TIMER_ENABLE, 1); } static inline void wp_starttimer(struct agg_info *ess) { wp_wrreg(ess, WPREG_TIMER_START, 1); } static inline void wp_stoptimer(struct agg_info *ess) { 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); } 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); } static inline u_int16_t wc_rdchctl(struct agg_info *ess, int ch) { return wc_rdreg(ess, ch << 3); } static inline void wc_wrchctl(struct agg_info *ess, int ch, u_int16_t data) { wc_wrreg(ess, ch << 3, data); } /* Power management */ static inline void agg_power(struct agg_info *ess, int status) { u_int8_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); } /* ----------------------------- * Controller. */ static inline void agg_initcodec(struct agg_info* ess) { 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); 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); DELAY(2); bus_space_write_4(ess->st, ess->sh, PORT_RINGBUS_CTRL, RINGBUS_CTRL_ACLINK_ENABLED); DELAY(21); 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); 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); 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); DELAY(2); bus_space_write_2(ess->st, ess->sh, PORT_GPIO_DATA, 0x001); 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); DELAY(84); /* 20.8us * 4 */ bus_space_write_4(ess->st, ess->sh, PORT_RINGBUS_CTRL, RINGBUS_CTRL_ACLINK_ENABLED); DELAY(21); } } static void agg_init(struct agg_info* ess) { u_int32_t data; /* Setup PCI config registers. */ /* Disable all legacy emulations. */ data = pci_read_config(ess->dev, CONF_LEGACY, 2); data |= LEGACY_DISABLED; pci_write_config(ess->dev, CONF_LEGACY, data, 2); /* Disconnect from CHI. (Makes Dell inspiron 7500 work?) * Enable posted write. * Prefer PCI timing rather than that of ISA. * Don't swap L/R. */ data = pci_read_config(ess->dev, CONF_MAESTRO, 4); data |= MAESTRO_CHIBUS | MAESTRO_POSTEDWRITE | MAESTRO_DMA_PCITIMING; data &= ~MAESTRO_SWAP_LR; pci_write_config(ess->dev, CONF_MAESTRO, data, 4); /* 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); /* 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); /* 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); for (data = WAVCACHE_PCMBAR; data < WAVCACHE_PCMBAR + 4; data++) wc_wrreg(ess, data, ess->baseaddr >> 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); wp_wrreg(ess, WPREG_BASE, 0x8500); /* Parallel I/O */ 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); /* 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); /* * Setup GPIO. * There seems to be speciality with NEC systems. */ switch (pci_get_subvendor(ess->dev) | (pci_get_subdevice(ess->dev) << 16)) { case NEC_SUBID1: case NEC_SUBID2: /* Matthew Braithwaite 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); break; } } /* Channel controller. */ static void aggch_start_dac(struct agg_chinfo *ch) { u_int wpwa = APU_USE_SYSMEM | (ch->offset >> 9); u_int size = ch->parent->bufsz >> 1; u_int speed = ch->speed; u_int offset = ch->offset >> 1; u_int cp = 0; u_int16_t apuch = ch->num << 1; u_int dv; int pan = 0; 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; } dv = (((speed % 48000) << 16) + 24000) / 48000 + ((speed / 48000) << 16); do { wp_wrapu(ch->parent, apuch, APUREG_WAVESPACE, wpwa & 0xff00); wp_wrapu(ch->parent, apuch, APUREG_CURPTR, offset + cp); wp_wrapu(ch->parent, apuch, APUREG_ENDPTR, offset + size); wp_wrapu(ch->parent, apuch, APUREG_LOOPLEN, size); wp_wrapu(ch->parent, apuch, APUREG_AMPLITUDE, 0xe800); wp_wrapu(ch->parent, apuch, APUREG_POSITION, 0x8f00 | (RADIUS_CENTERCIRCLE << APU_RADIUS_SHIFT) | ((PAN_FRONT + pan) << APU_PAN_SHIFT)); wp_wrapu(ch->parent, apuch, APUREG_FREQ_LOBYTE, APU_plus6dB | ((dv & 0xff) << APU_FREQ_LOBYTE_SHIFT)); wp_wrapu(ch->parent, apuch, APUREG_FREQ_HIWORD, dv >> 8); if (ch->aputype == APUTYPE_16BITSTEREO) wpwa |= APU_STEREO >> 1; pan = -pan; } while (pan < 0 && apuch--); wc_wrchctl(ch->parent, apuch, ch->wcreg_tpl); wc_wrchctl(ch->parent, apuch + 1, ch->wcreg_tpl); wp_wrapu(ch->parent, apuch, APUREG_APUTYPE, (ch->aputype << APU_APUTYPE_SHIFT) | APU_DMA_ENABLED | 0xf); if (ch->wcreg_tpl & WAVCACHE_CHCTL_STEREO) wp_wrapu(ch->parent, apuch + 1, APUREG_APUTYPE, (ch->aputype << APU_APUTYPE_SHIFT) | APU_DMA_ENABLED | 0xf); } static void aggch_stop_dac(struct agg_chinfo *ch) { wp_wrapu(ch->parent, (ch->num << 1), APUREG_APUTYPE, APUTYPE_INACTIVE << APU_APUTYPE_SHIFT); wp_wrapu(ch->parent, (ch->num << 1) + 1, APUREG_APUTYPE, APUTYPE_INACTIVE << APU_APUTYPE_SHIFT); } /* * Stereo jitter suppressor. * Sometimes playback pointers differ in stereo-paired channels. * Calling this routine within intr fixes the problem. */ static inline void suppress_jitter(struct agg_chinfo *ch) { if (ch->wcreg_tpl & WAVCACHE_CHCTL_STEREO) { int cp, diff, halfsize = ch->parent->bufsz >> 2; if (ch->aputype == APUTYPE_16BITSTEREO) halfsize >>= 1; cp = wp_rdapu(ch->parent, (ch->num << 1), APUREG_CURPTR); diff = wp_rdapu(ch->parent, (ch->num << 1) + 1, APUREG_CURPTR); diff -= cp; if (diff >> 1 && diff > -halfsize && diff < halfsize) bus_space_write_2(ch->parent->st, ch->parent->sh, PORT_DSP_DATA, cp); } } static inline u_int calc_timer_freq(struct agg_chinfo *ch) { u_int ss = 2; if (ch->aputype == APUTYPE_16BITSTEREO) ss <<= 1; if (ch->aputype == APUTYPE_8BITLINEAR) ss >>= 1; return (ch->speed * ss) / ch->blocksize; } static void set_timer(struct agg_info *ess) { int i; u_int freq = 0; for (i = 0; i < ess->playchns; i++) if ((ess->active & (1 << i)) && (freq < calc_timer_freq(ess->pch + i))) freq = calc_timer_freq(ess->pch + i); wp_settimer(ess, freq); } /* ----------------------------- * Newpcm glue. */ static void * aggch_init(kobj_t obj, void *devinfo, struct snd_dbuf *b, struct pcm_channel *c, int dir) { struct agg_info *ess = devinfo; struct agg_chinfo *ch; bus_addr_t physaddr; void *p; ch = (dir == PCMDIR_PLAY)? ess->pch + ess->playchns : &ess->rch; ch->parent = ess; ch->channel = c; ch->buffer = b; ch->num = ess->playchns; ch->dir = dir; p = dma_malloc(ess, ess->bufsz, &physaddr); if (p == NULL) return NULL; sndbuf_setup(b, p, ess->bufsz); ch->offset = physaddr - ess->baseaddr; if (physaddr < ess->baseaddr || ch->offset > WPWA_MAXADDR) { device_printf(ess->dev, "offset %#x exceeds limit. ", ch->offset); dma_free(ess, sndbuf_getbuf(b)); return NULL; } ch->wcreg_tpl = (physaddr - 16) & WAVCACHE_CHCTL_ADDRTAG_MASK; if (dir == PCMDIR_PLAY) { ess->playchns++; if (bootverbose) device_printf(ess->dev, "pch[%d].offset = %#x\n", ch->num, ch->offset); } else if (bootverbose) device_printf(ess->dev, "rch.offset = %#x\n", ch->offset); return ch; } static int aggch_free(kobj_t obj, void *data) { struct agg_chinfo *ch = data; struct agg_info *ess = ch->parent; /* free up buffer - called after channel stopped */ dma_free(ess, sndbuf_getbuf(ch->buffer)); /* return 0 if ok */ return 0; } static int aggch_setplayformat(kobj_t obj, void *data, u_int32_t format) { struct agg_chinfo *ch = data; u_int16_t wcreg_tpl; u_int16_t aputype = APUTYPE_16BITLINEAR; wcreg_tpl = ch->wcreg_tpl & WAVCACHE_CHCTL_ADDRTAG_MASK; if (format & AFMT_STEREO) { wcreg_tpl |= WAVCACHE_CHCTL_STEREO; aputype += 1; } if (format & AFMT_U8 || format & AFMT_S8) { aputype += 2; if (format & AFMT_U8) wcreg_tpl |= WAVCACHE_CHCTL_U8; } if (format & AFMT_BIGENDIAN || format & AFMT_U16_LE) { format &= ~AFMT_BIGENDIAN & ~AFMT_U16_LE; format |= AFMT_S16_LE; } ch->wcreg_tpl = wcreg_tpl; ch->aputype = aputype; return 0; } static int aggch_setspeed(kobj_t obj, void *data, u_int32_t speed) { struct agg_chinfo *ch = data; ch->speed = speed; return ch->speed; } static int aggch_setblocksize(kobj_t obj, void *data, u_int32_t blocksize) { return ((struct agg_chinfo*)data)->blocksize = blocksize; } static int aggch_trigger(kobj_t obj, void *data, int go) { struct agg_chinfo *ch = data; switch (go) { case PCMTRIG_EMLDMAWR: return 0; case PCMTRIG_START: ch->parent->active |= (1 << ch->num); if (ch->dir == PCMDIR_PLAY) aggch_start_dac(ch); #if 0 /* XXX - RECORDING */ else aggch_start_adc(ch); #endif break; case PCMTRIG_ABORT: case PCMTRIG_STOP: ch->parent->active &= ~(1 << ch->num); if (ch->dir == PCMDIR_PLAY) aggch_stop_dac(ch); #if 0 /* XXX - RECORDING */ else aggch_stop_adc(ch); #endif break; } if (ch->parent->active) { set_timer(ch->parent); wp_starttimer(ch->parent); } else wp_stoptimer(ch->parent); return 0; } static int aggch_getplayptr(kobj_t obj, void *data) { struct agg_chinfo *ch = data; u_int cp; cp = wp_rdapu(ch->parent, (ch->num << 1), APUREG_CURPTR); if (ch->aputype == APUTYPE_16BITSTEREO) cp = (0xffff << 2) & ((cp << 2) - ch->offset); else cp = (0xffff << 1) & ((cp << 1) - ch->offset); return cp; } static struct pcmchan_caps * aggch_getcaps(kobj_t obj, void *data) { static u_int32_t playfmt[] = { AFMT_U8, AFMT_STEREO | AFMT_U8, AFMT_S8, AFMT_STEREO | AFMT_S8, AFMT_S16_LE, AFMT_STEREO | AFMT_S16_LE, 0 }; static struct pcmchan_caps playcaps = {2000, 96000, playfmt, 0}; static u_int32_t recfmt[] = { AFMT_S8, AFMT_STEREO | AFMT_S8, AFMT_S16_LE, AFMT_STEREO | AFMT_S16_LE, 0 }; static struct pcmchan_caps reccaps = {4000, 48000, recfmt, 0}; return (((struct agg_chinfo*)data)->dir == PCMDIR_PLAY)? &playcaps : &reccaps; } static kobj_method_t aggch_methods[] = { KOBJMETHOD(channel_init, aggch_init), KOBJMETHOD(channel_free, aggch_free), KOBJMETHOD(channel_setformat, aggch_setplayformat), KOBJMETHOD(channel_setspeed, aggch_setspeed), KOBJMETHOD(channel_setblocksize, aggch_setblocksize), KOBJMETHOD(channel_trigger, aggch_trigger), KOBJMETHOD(channel_getptr, aggch_getplayptr), KOBJMETHOD(channel_getcaps, aggch_getcaps), { 0, 0 } }; CHANNEL_DECLARE(aggch); /* ----------------------------- * Bus space. */ static void agg_intr(void *sc) { struct agg_info* ess = sc; u_int16_t status; int i; status = bus_space_read_1(ess->st, ess->sh, PORT_HOSTINT_STAT); if (!status) return; /* Acknowledge all. */ bus_space_write_2(ess->st, ess->sh, PORT_INT_STAT, 1); bus_space_write_1(ess->st, ess->sh, PORT_HOSTINT_STAT, 0xff); if (status & HOSTINT_STAT_HWVOL) { u_int event; event = bus_space_read_1(ess->st, ess->sh, PORT_HWVOL_MASTER); switch (event) { case HWVOL_MUTE: mixer_hwvol_mute(ess->dev); break; case HWVOL_UP: mixer_hwvol_step(ess->dev, 1, 1); break; case HWVOL_DOWN: mixer_hwvol_step(ess->dev, -1, -1); break; case HWVOL_NOP: break; default: device_printf(ess->dev, "%s: unknown HWVOL event 0x%x\n", device_get_nameunit(ess->dev), event); } bus_space_write_1(ess->st, ess->sh, PORT_HWVOL_MASTER, HWVOL_NOP); } for (i = 0; i < ess->playchns; i++) if (ess->active & (1 << i)) { suppress_jitter(ess->pch + i); chn_intr(ess->pch[i].channel); } #if 0 /* XXX - RECORDING */ if (ess->active & (1 << i)) chn_intr(ess->rch.channel); #endif } static void setmap(void *arg, bus_dma_segment_t *segs, int nseg, int error) { bus_addr_t *phys = arg; *phys = error? 0 : segs->ds_addr; if (bootverbose) { printf("setmap (%lx, %lx), nseg=%d, error=%d\n", (unsigned long)segs->ds_addr, (unsigned long)segs->ds_len, nseg, error); } } static void * dma_malloc(struct agg_info *sc, u_int32_t sz, bus_addr_t *phys) { void *buf; bus_dmamap_t map; if (bus_dmamem_alloc(sc->parent_dmat, &buf, BUS_DMA_NOWAIT, &map)) return NULL; if (bus_dmamap_load(sc->parent_dmat, map, buf, sz, setmap, phys, 0) || !*phys) { bus_dmamem_free(sc->parent_dmat, buf, map); return NULL; } return buf; } static void dma_free(struct agg_info *sc, void *buf) { bus_dmamem_free(sc->parent_dmat, buf, NULL); } static int agg_probe(device_t dev) { char *s = NULL; switch (pci_get_devid(dev)) { case MAESTRO_1_PCI_ID: s = "ESS Technology Maestro-1"; break; case MAESTRO_2_PCI_ID: s = "ESS Technology Maestro-2"; break; case MAESTRO_2E_PCI_ID: s = "ESS Technology Maestro-2E"; break; } if (s != NULL && pci_get_class(dev) == PCIC_MULTIMEDIA) { device_set_desc(dev, s); return 0; } return ENXIO; } static int agg_attach(device_t dev) { struct agg_info *ess = NULL; u_int32_t data; int mapped = 0; int regid = PCIR_MAPS; struct resource *reg = NULL; struct ac97_info *codec = NULL; int irqid = 0; struct resource *irq = NULL; void *ih = NULL; char status[SND_STATUSLEN]; if ((ess = malloc(sizeof *ess, M_DEVBUF, M_NOWAIT | M_ZERO)) == NULL) { device_printf(dev, "cannot allocate softc\n"); return ENXIO; } ess->dev = dev; ess->bufsz = pcm_getbuffersize(dev, 4096, AGG_DEFAULT_BUFSZ, 65536); if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/1 << WAVCACHE_BASEADDR_SHIFT, /*boundary*/WPWA_MAXADDR + 1, /*lowaddr*/MAESTRO_MAXADDR, /*highaddr*/BUS_SPACE_MAXADDR, /*filter*/NULL, /*filterarg*/NULL, /*maxsize*/ess->bufsz, /*nsegments*/1, /*maxsegz*/0x3ffff, /*flags*/0, &ess->parent_dmat) != 0) { device_printf(dev, "unable to create dma tag\n"); goto bad; } ess->stat = dma_malloc(ess, ess->bufsz, &ess->baseaddr); if (ess->stat == NULL) { device_printf(dev, "cannot allocate status buffer\n"); goto bad; } if (bootverbose) device_printf(dev, "Maestro DMA base: %#x\n", ess->baseaddr); agg_power(ess, PPMI_D0); DELAY(100000); data = pci_read_config(dev, PCIR_COMMAND, 2); data |= (PCIM_CMD_PORTEN|PCIM_CMD_BUSMASTEREN); pci_write_config(dev, PCIR_COMMAND, data, 2); data = pci_read_config(dev, PCIR_COMMAND, 2); if (data & PCIM_CMD_PORTEN) { reg = bus_alloc_resource(dev, SYS_RES_IOPORT, ®id, 0, BUS_SPACE_UNRESTRICTED, 256, RF_ACTIVE); if (reg != NULL) { ess->reg = reg; ess->regid = regid; ess->st = rman_get_bustag(reg); ess->sh = rman_get_bushandle(reg); mapped++; } } if (mapped == 0) { device_printf(dev, "unable to map register space\n"); goto bad; } agg_init(ess); if (agg_rdcodec(NULL, ess, 0) == 0x80) { device_printf(dev, "PT101 codec detected!\n"); goto bad; } codec = AC97_CREATE(dev, ess, agg_ac97); if (codec == NULL) goto bad; if (mixer_init(dev, ac97_getmixerclass(), codec) == -1) goto bad; ess->codec = codec; irq = bus_alloc_resource(dev, SYS_RES_IRQ, &irqid, 0, BUS_SPACE_UNRESTRICTED, 1, RF_ACTIVE | RF_SHAREABLE); if (irq == NULL || snd_setup_intr(dev, irq, 0, agg_intr, ess, &ih)) { device_printf(dev, "unable to map interrupt\n"); goto bad; } ess->irq = irq; ess->irqid = irqid; ess->ih = ih; snprintf(status, SND_STATUSLEN, "at I/O port 0x%lx irq %ld", rman_get_start(reg), rman_get_start(irq)); if (pcm_register(dev, ess, AGG_MAXPLAYCH, 1)) goto bad; mixer_hwvol_init(dev); for (data = 0; data < AGG_MAXPLAYCH; data++) pcm_addchan(dev, PCMDIR_PLAY, &aggch_class, ess); #if 0 /* XXX - RECORDING */ pcm_addchan(dev, PCMDIR_REC, &aggrch_class, ess); #endif pcm_setstatus(dev, status); return 0; bad: if (codec != NULL) ac97_destroy(codec); if (ih != NULL) bus_teardown_intr(dev, irq, ih); if (irq != NULL) bus_release_resource(dev, SYS_RES_IRQ, irqid, irq); if (reg != NULL) bus_release_resource(dev, SYS_RES_IOPORT, regid, reg); if (ess != NULL) { agg_power(ess, PPMI_D3); if (ess->stat != NULL) dma_free(ess, ess->stat); if (ess->parent_dmat != NULL) bus_dma_tag_destroy(ess->parent_dmat); free(ess, M_DEVBUF); } return ENXIO; } static int agg_detach(device_t dev) { struct agg_info *ess = pcm_getdevinfo(dev); int r; r = pcm_unregister(dev); if (r) return r; ess = pcm_getdevinfo(dev); dma_free(ess, ess->stat); /* Power down everything except clock and vref. */ agg_wrcodec(NULL, ess, AC97_REG_POWER, 0xd700); DELAY(20); bus_space_write_4(ess->st, ess->sh, PORT_RINGBUS_CTRL, 0); agg_power(ess, PPMI_D3); bus_teardown_intr(dev, ess->irq, ess->ih); bus_release_resource(dev, SYS_RES_IRQ, ess->irqid, ess->irq); bus_release_resource(dev, SYS_RES_IOPORT, ess->regid, ess->reg); bus_dma_tag_destroy(ess->parent_dmat); free(ess, M_DEVBUF); return 0; } static int agg_suspend(device_t dev) { struct agg_info *ess = pcm_getdevinfo(dev); int i, x; x = spltty(); wp_stoptimer(ess); bus_space_write_2(ess->st, ess->sh, PORT_HOSTINT_CTRL, 0); for (i = 0; i < ess->playchns; i++) aggch_stop_dac(ess->pch + i); #if 0 /* XXX - RECORDING */ aggch_stop_adc(&ess->rch); #endif splx(x); /* Power down everything except clock. */ agg_wrcodec(NULL, ess, AC97_REG_POWER, 0xdf00); DELAY(20); bus_space_write_4(ess->st, ess->sh, PORT_RINGBUS_CTRL, 0); DELAY(1); agg_power(ess, PPMI_D3); return 0; } static int agg_resume(device_t dev) { int i, x; struct agg_info *ess = pcm_getdevinfo(dev); agg_power(ess, PPMI_D0); DELAY(100000); agg_init(ess); if (mixer_reinit(dev)) { device_printf(dev, "unable to reinitialize the mixer\n"); return ENXIO; } x = spltty(); for (i = 0; i < ess->playchns; i++) if (ess->active & (1 << i)) aggch_start_dac(ess->pch + i); #if 0 /* XXX - RECORDING */ if (ess->active & (1 << i)) aggch_start_adc(&ess->rch); #endif if (ess->active) { set_timer(ess); wp_starttimer(ess); } splx(x); return 0; } static int agg_shutdown(device_t dev) { struct agg_info *ess = pcm_getdevinfo(dev); int i; wp_stoptimer(ess); bus_space_write_2(ess->st, ess->sh, PORT_HOSTINT_CTRL, 0); for (i = 0; i < ess->playchns; i++) aggch_stop_dac(ess->pch + i); #if 0 /* XXX - RECORDING */ aggch_stop_adc(&ess->rch); #endif return 0; } static device_method_t agg_methods[] = { DEVMETHOD(device_probe, agg_probe), DEVMETHOD(device_attach, agg_attach), DEVMETHOD(device_detach, agg_detach), DEVMETHOD(device_suspend, agg_suspend), DEVMETHOD(device_resume, agg_resume), DEVMETHOD(device_shutdown, agg_shutdown), { 0, 0 } }; static driver_t agg_driver = { "pcm", agg_methods, PCM_SOFTC_SIZE, }; DRIVER_MODULE(snd_maestro, pci, agg_driver, pcm_devclass, 0, 0); MODULE_DEPEND(snd_maestro, snd_pcm, PCM_MINVER, PCM_PREFVER, PCM_MAXVER); MODULE_VERSION(snd_maestro, 1);