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Diffstat (limited to 'sys/dev/sound/pci/maestro.c')
-rw-r--r--sys/dev/sound/pci/maestro.c1188
1 files changed, 0 insertions, 1188 deletions
diff --git a/sys/dev/sound/pci/maestro.c b/sys/dev/sound/pci/maestro.c
deleted file mode 100644
index a465d5c33533d..0000000000000
--- a/sys/dev/sound/pci/maestro.c
+++ /dev/null
@@ -1,1188 +0,0 @@
-/*-
- * Copyright (c) 2000 Taku YAMAMOTO <taku@cent.saitama-u.ac.jp>
- * 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 $
- * $FreeBSD$
- */
-
-/*
- * Credits:
- *
- * Part of this code (especially in many magic numbers) was heavily inspired
- * by the Linux driver originally written by
- * Alan Cox <alan.cox@linux.org>, modified heavily by
- * Zach Brown <zab@zabbo.net>.
- *
- * busdma()-ize and buffer size reduction were suggested by
- * Cameron Grant <gandalf@vilnya.demon.co.uk>.
- * 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 <haro@tk.kubota.co.jp>,
- * who brought patches based on the Linux driver with some simplification.
- */
-
-#include <dev/sound/pcm/sound.h>
-#include <dev/sound/pcm/ac97.h>
-#include <pci/pcireg.h>
-#include <pci/pcivar.h>
-
-#include <dev/sound/pci/maestro_reg.h>
-
-#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_BUFSIZ 4096
-
-
-/* -----------------------------
- * Data structures.
- */
-struct agg_chinfo {
- struct agg_info *parent;
- pcm_channel *channel;
- snd_dbuf *buffer;
- bus_addr_t offset;
- u_int32_t blocksize;
- 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;
-
- u_int playchns, active;
- struct agg_chinfo pch[AGG_MAXPLAYCH];
- struct agg_chinfo rch;
-};
-
-
-static u_int32_t agg_rdcodec(void *, int);
-static void agg_wrcodec(void *, 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 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 u_int32_t agg_ac97_init(void *);
-
-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 pcmchan_init_t aggch_init;
-static pcmchan_free_t aggch_free;
-static pcmchan_setformat_t aggch_setplayformat;
-static pcmchan_setspeed_t aggch_setspeed;
-static pcmchan_setblocksize_t aggch_setblocksize;
-static pcmchan_trigger_t aggch_trigger;
-static pcmchan_getptr_t aggch_getplayptr;
-static pcmchan_getcaps_t aggch_getcaps;
-
-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_rdcodec(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 void
-agg_wrcodec(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;
- }
-
- 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);
-}
-
-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(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. */
- bus_space_write_2(ess->st, ess->sh, PORT_HOSTINT_CTRL,
- HOSTINT_CTRL_DSOUND_INT_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 <matt@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);
- break;
- }
-}
-
-/* Channel controller. */
-
-static void
-aggch_start_dac(struct agg_chinfo *ch)
-{
- u_int wpwa = APU_USE_SYSMEM | (ch->offset >> 9);
- u_int size = AGG_BUFSIZ >> 1;
- u_int speed = ch->channel->speed;
- u_int offset = ch->offset >> 1;
- u_int cp = ch->buffer->rp >> 1;
- 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 = AGG_BUFSIZ >> 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->channel->speed * ss + ch->blocksize - 1) / 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 u_int32_t
-agg_ac97_init(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 void *
-aggch_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir)
-{
- struct agg_info *ess = devinfo;
- struct agg_chinfo *ch;
- bus_addr_t physaddr;
-
- 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;
-
- b->buf = dma_malloc(ess, AGG_BUFSIZ, &physaddr);
- if (b->buf == NULL)
- return NULL;
-
- 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, b->buf);
- b->buf = NULL;
- return NULL;
- }
-
- b->bufsize = AGG_BUFSIZ;
- 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(void *data)
-{
- struct agg_chinfo *ch = data;
- struct agg_info *ess = ch->parent;
-
- /* free up buffer - called after channel stopped */
- dma_free(ess, ch->buffer->buf);
-
- /* return 0 if ok */
- return 0;
-}
-
-static int
-aggch_setplayformat(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 format;
-}
-
-static int
-aggch_setspeed(void *data, u_int32_t speed)
-{
- return speed;
-}
-
-static int
-aggch_setblocksize(void *data, u_int32_t blocksize)
-{
- return ((struct agg_chinfo*)data)->blocksize = blocksize;
-}
-
-static int
-aggch_trigger(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(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 pcmchan_caps *
-aggch_getcaps(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 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 pcmchan_caps reccaps = {4000, 48000, recfmt, 0};
-
- return (((struct agg_chinfo*)data)->dir == PCMDIR_PLAY)?
- &playcaps : &reccaps;
-}
-
-
-/* -----------------------------
- * 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, 0);
-#if 0 /* XXX - HWVOL */
- if (status & HOSTINT_STAT_HWVOL) {
- u_int delta;
- delta = bus_space_read_1(ess->st, ess->sh, PORT_HWVOL_MASTER)
- - 0x88;
- if (delta & 0x11)
- mixer_set(device_get_softc(ess->dev),
- SOUND_MIXER_VOLUME, 0);
- else {
- mixer_set(device_get_softc(ess->dev),
- SOUND_MIXER_VOLUME,
- mixer_get(device_get_softc(ess->dev),
- SOUND_MIXER_VOLUME)
- + ((delta >> 5) & 0x7) - 4
- + ((delta << 7) & 0x700) - 0x400);
- }
- bus_space_write_1(ess->st, ess->sh, PORT_HWVOL_MASTER, 0x88);
- }
-#endif /* XXX - HWVOL */
-
- 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];
- static pcm_channel agg_pchtpl = {
- aggch_init,
- NULL, /* setdir */
- aggch_setplayformat,
- aggch_setspeed,
- aggch_setblocksize,
- aggch_trigger,
- aggch_getplayptr,
- aggch_getcaps,
- aggch_free, /* free */
- NULL, /* nop1 */
- NULL, /* nop2 */
- NULL, /* nop3 */
- NULL, /* nop4 */
- NULL, /* nop5 */
- NULL, /* nop6 */
- NULL, /* nop7 */
- };
-
- if ((ess = malloc(sizeof *ess, M_DEVBUF, M_NOWAIT)) == NULL) {
- device_printf(dev, "cannot allocate softc\n");
- return ENXIO;
- }
- bzero(ess, sizeof *ess);
- ess->dev = dev;
-
- 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*/AGG_BUFSIZ * 2, /*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, AGG_BUFSIZ, &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, &regid,
- 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(ess, 0) == 0x80) {
- device_printf(dev, "PT101 codec detected!\n");
- goto bad;
- }
- codec = ac97_create(dev, ess, agg_ac97_init, agg_rdcodec, agg_wrcodec);
- if (codec == NULL)
- goto bad;
- if (mixer_init(dev, &ac97_mixer, 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
- || bus_setup_intr(dev, irq, INTR_TYPE_TTY, 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;
-
- for (data = 0; data < AGG_MAXPLAYCH; data++)
- pcm_addchan(dev, PCMDIR_PLAY, &agg_pchtpl, ess);
-#if 0 /* XXX - RECORDING */
- pcm_addchan(dev, PCMDIR_REC, &agg_rchtpl, 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(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(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,
- sizeof(snddev_info),
-};
-
-static devclass_t pcm_devclass;
-
-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);