diff options
Diffstat (limited to 'sys/dev/sound/pci/fm801.c')
| -rw-r--r-- | sys/dev/sound/pci/fm801.c | 728 |
1 files changed, 0 insertions, 728 deletions
diff --git a/sys/dev/sound/pci/fm801.c b/sys/dev/sound/pci/fm801.c deleted file mode 100644 index 2173c0a8519f6..0000000000000 --- a/sys/dev/sound/pci/fm801.c +++ /dev/null @@ -1,728 +0,0 @@ -/* - * Copyright (c) 2000 Dmitry Dicky diwil@dataart.com - * 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. - * - * $FreeBSD$ - */ - -#include <dev/sound/pcm/sound.h> -#include <dev/sound/pcm/ac97.h> -#include <pci/pcireg.h> -#include <pci/pcivar.h> - -#define PCI_VENDOR_FORTEMEDIA 0x1319 -#define PCI_DEVICE_FORTEMEDIA1 0x08011319 -#define PCI_DEVICE_FORTEMEDIA2 0x08021319 /* ??? have no idea what's this... */ - -#define FM_PCM_VOLUME 0x00 -#define FM_FM_VOLUME 0x02 -#define FM_I2S_VOLUME 0x04 -#define FM_RECORD_SOURCE 0x06 - -#define FM_PLAY_CTL 0x08 -#define FM_PLAY_RATE_MASK 0x0f00 -#define FM_PLAY_BUF1_LAST 0x0001 -#define FM_PLAY_BUF2_LAST 0x0002 -#define FM_PLAY_START 0x0020 -#define FM_PLAY_PAUSE 0x0040 -#define FM_PLAY_STOPNOW 0x0080 -#define FM_PLAY_16BIT 0x4000 -#define FM_PLAY_STEREO 0x8000 - -#define FM_PLAY_DMALEN 0x0a -#define FM_PLAY_DMABUF1 0x0c -#define FM_PLAY_DMABUF2 0x10 - - -#define FM_REC_CTL 0x14 -#define FM_REC_RATE_MASK 0x0f00 -#define FM_REC_BUF1_LAST 0x0001 -#define FM_REC_BUF2_LAST 0x0002 -#define FM_REC_START 0x0020 -#define FM_REC_PAUSE 0x0040 -#define FM_REC_STOPNOW 0x0080 -#define FM_REC_16BIT 0x4000 -#define FM_REC_STEREO 0x8000 - - -#define FM_REC_DMALEN 0x16 -#define FM_REC_DMABUF1 0x18 -#define FM_REC_DMABUF2 0x1c - -#define FM_CODEC_CTL 0x22 -#define FM_VOLUME 0x26 -#define FM_VOLUME_MUTE 0x8000 - -#define FM_CODEC_CMD 0x2a -#define FM_CODEC_CMD_READ 0x0080 -#define FM_CODEC_CMD_VALID 0x0100 -#define FM_CODEC_CMD_BUSY 0x0200 - -#define FM_CODEC_DATA 0x2c - -#define FM_IO_CTL 0x52 -#define FM_CARD_CTL 0x54 - -#define FM_INTMASK 0x56 -#define FM_INTMASK_PLAY 0x0001 -#define FM_INTMASK_REC 0x0002 -#define FM_INTMASK_VOL 0x0040 -#define FM_INTMASK_MPU 0x0080 - -#define FM_INTSTATUS 0x5a -#define FM_INTSTATUS_PLAY 0x0100 -#define FM_INTSTATUS_REC 0x0200 -#define FM_INTSTATUS_VOL 0x4000 -#define FM_INTSTATUS_MPU 0x8000 - -#define FM801_BUFFSIZE 1024*4 /* Other values do not work!!! */ - -/* debug purposes */ -#define DPRINT if(0) printf - - -/* channel interface */ -static void *fm801ch_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir); -static int fm801ch_setformat(void *data, u_int32_t format); -static int fm801ch_setspeed(void *data, u_int32_t speed); -static int fm801ch_setblocksize(void *data, u_int32_t blocksize); -static int fm801ch_trigger(void *data, int go); -static int fm801ch_getptr(void *data); -static pcmchan_caps *fm801ch_getcaps(void *data); -/* -static int fm801ch_setup(pcm_channel *c); -*/ - -static u_int32_t fmts[] = { - AFMT_U8, - AFMT_STEREO | AFMT_U8, - AFMT_S16_LE, - AFMT_STEREO | AFMT_S16_LE, - 0 -}; - -static pcmchan_caps fm801ch_caps = { - 4000, 48000, - fmts, 0 -}; - -static pcm_channel fm801_chantemplate = { - fm801ch_init, - NULL, /* setdir */ - fm801ch_setformat, - fm801ch_setspeed, - fm801ch_setblocksize, - fm801ch_trigger, - fm801ch_getptr, - fm801ch_getcaps, - NULL, /* free */ - NULL, /* nop1 */ - NULL, /* nop2 */ - NULL, /* nop3 */ - NULL, /* nop4 */ - NULL, /* nop5 */ - NULL, /* nop6 */ - NULL, /* nop7 */ -}; - -struct fm801_info; - -struct fm801_chinfo { - struct fm801_info *parent; - pcm_channel *channel; - snd_dbuf *buffer; - u_int32_t spd, dir, fmt; /* speed, direction, format */ - u_int32_t shift; -}; - -struct fm801_info { - int type; - bus_space_tag_t st; - bus_space_handle_t sh; - bus_dma_tag_t parent_dmat; - - device_t dev; - int num; - u_int32_t unit; - - struct resource *reg, *irq; - int regtype, regid, irqid; - void *ih; - - u_int32_t play_flip, - play_nextblk, - play_start, - play_blksize, - play_fmt, - play_shift, - play_size; - - u_int32_t rec_flip, - rec_nextblk, - rec_start, - rec_blksize, - rec_fmt, - rec_shift, - rec_size; - - struct fm801_chinfo pch, rch; -}; - -/* Bus Read / Write routines */ -static u_int32_t -fm801_rd(struct fm801_info *fm801, int regno, int size) -{ - switch(size) { - case 1: - return (bus_space_read_1(fm801->st, fm801->sh, regno)); - case 2: - return (bus_space_read_2(fm801->st, fm801->sh, regno)); - case 4: - return (bus_space_read_4(fm801->st, fm801->sh, regno)); - default: - return 0xffffffff; - } -} - -static void -fm801_wr(struct fm801_info *fm801, int regno, u_int32_t data, int size) -{ - switch(size) { - case 1: - return bus_space_write_1(fm801->st, fm801->sh, regno, data); - case 2: - return bus_space_write_2(fm801->st, fm801->sh, regno, data); - case 4: - return bus_space_write_4(fm801->st, fm801->sh, regno, data); - default: - return; - } -} - -/* - * ac97 codec routines - */ -#define TIMO 50 -static u_int32_t -fm801_rdcd(void *devinfo, int regno) -{ - struct fm801_info *fm801 = (struct fm801_info *)devinfo; - int i; - - for (i = 0; i < TIMO && fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_BUSY; i++) { - DELAY(10000); - DPRINT("fm801 rdcd: 1 - DELAY\n"); - } - if (i >= TIMO) { - printf("fm801 rdcd: codec busy\n"); - return 0; - } - - fm801_wr(fm801,FM_CODEC_CMD, regno|FM_CODEC_CMD_READ,2); - - for (i = 0; i < TIMO && !(fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_VALID); i++) - { - DELAY(10000); - DPRINT("fm801 rdcd: 2 - DELAY\n"); - } - if (i >= TIMO) { - printf("fm801 rdcd: write codec invalid\n"); - return 0; - } - - return fm801_rd(fm801,FM_CODEC_DATA,2); -} - -static void -fm801_wrcd(void *devinfo, int regno, u_int32_t data) -{ - struct fm801_info *fm801 = (struct fm801_info *)devinfo; - int i; - - DPRINT("fm801_wrcd reg 0x%x val 0x%x\n",regno, data); -/* - if(regno == AC97_REG_RECSEL) return; -*/ - /* Poll until codec is ready */ - for (i = 0; i < TIMO && fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_BUSY; i++) { - DELAY(10000); - DPRINT("fm801 rdcd: 1 - DELAY\n"); - } - if (i >= TIMO) { - printf("fm801 wrcd: read codec busy\n"); - return; - } - - fm801_wr(fm801,FM_CODEC_DATA,data, 2); - fm801_wr(fm801,FM_CODEC_CMD, regno,2); - - /* wait until codec is ready */ - for (i = 0; i < TIMO && fm801_rd(fm801,FM_CODEC_CMD,2) & FM_CODEC_CMD_BUSY; i++) { - DELAY(10000); - DPRINT("fm801 wrcd: 2 - DELAY\n"); - } - if (i >= TIMO) { - printf("fm801 wrcd: read codec busy\n"); - return; - } - DPRINT("fm801 wrcd release reg 0x%x val 0x%x\n",regno, data); - return; -} - -/* - * The interrupt handler - */ -static void -fm801_intr(void *p) -{ - struct fm801_info *fm801 = (struct fm801_info *)p; - u_int32_t intsrc = fm801_rd(fm801, FM_INTSTATUS, 2); - struct fm801_chinfo *ch = &(fm801->pch); - snd_dbuf *b = ch->buffer; - - DPRINT("\nfm801_intr intsrc 0x%x ", intsrc); - DPRINT("rp %d, rl %d, fp %d fl %d, size=%d\n", - b->rp,b->rl, b->fp,b->fl, b->blksz); - - if(intsrc & FM_INTSTATUS_PLAY) { - fm801->play_flip++; - if(fm801->play_flip & 1) { - fm801_wr(fm801, FM_PLAY_DMABUF1, fm801->play_start,4); - } else - fm801_wr(fm801, FM_PLAY_DMABUF2, fm801->play_nextblk,4); - chn_intr(fm801->pch.channel); - } - - if(intsrc & FM_INTSTATUS_REC) { - fm801->rec_flip++; - if(fm801->rec_flip & 1) { - fm801_wr(fm801, FM_REC_DMABUF1, fm801->rec_start,4); - } else - fm801_wr(fm801, FM_REC_DMABUF2, fm801->rec_nextblk,4); - chn_intr(fm801->rch.channel); - } - - if ( intsrc & FM_INTSTATUS_MPU ) { - /* This is a TODOish thing... */ - fm801_wr(fm801, FM_INTSTATUS, intsrc & FM_INTSTATUS_MPU,2); - } - - if ( intsrc & FM_INTSTATUS_VOL ) { - /* This is a TODOish thing... */ - fm801_wr(fm801, FM_INTSTATUS, intsrc & FM_INTSTATUS_VOL,2); - } - - DPRINT("fm801_intr clear\n\n"); - fm801_wr(fm801, FM_INTSTATUS, intsrc & (FM_INTSTATUS_PLAY | FM_INTSTATUS_REC), 2); -} - -/* - * Init routine is taken from an original NetBSD driver - */ -static int -fm801_init(struct fm801_info *fm801) -{ - u_int32_t k1; - - /* reset codec */ - fm801_wr(fm801, FM_CODEC_CTL, 0x0020,2); - DELAY(100000); - fm801_wr(fm801, FM_CODEC_CTL, 0x0000,2); - DELAY(100000); - - fm801_wr(fm801, FM_PCM_VOLUME, 0x0808,2); - fm801_wr(fm801, FM_FM_VOLUME, 0x0808,2); - fm801_wr(fm801, FM_I2S_VOLUME, 0x0808,2); - fm801_wr(fm801, 0x40,0x107f,2); /* enable legacy audio */ - - fm801_wr((void *)fm801, FM_RECORD_SOURCE, 0x0000,2); - - /* Unmask playback, record and mpu interrupts, mask the rest */ - k1 = fm801_rd((void *)fm801, FM_INTMASK,2); - fm801_wr(fm801, FM_INTMASK, - (k1 & ~(FM_INTMASK_PLAY | FM_INTMASK_REC | FM_INTMASK_MPU)) | - FM_INTMASK_VOL,2); - fm801_wr(fm801, FM_INTSTATUS, - FM_INTSTATUS_PLAY | FM_INTSTATUS_REC | FM_INTSTATUS_MPU | - FM_INTSTATUS_VOL,2); - - DPRINT("FM801 init Ok\n"); - return 0; -} - -static int -fm801_pci_attach(device_t dev) -{ - u_int32_t data; - struct ac97_info *codec = 0; - struct fm801_info *fm801; - int i; - int mapped = 0; - char status[SND_STATUSLEN]; - - if ((fm801 = (struct fm801_info *)malloc(sizeof(*fm801),M_DEVBUF, M_NOWAIT)) == NULL) { - device_printf(dev, "cannot allocate softc\n"); - return ENXIO; - } - - bzero(fm801, sizeof(*fm801)); - fm801->type = pci_get_devid(dev); - - data = pci_read_config(dev, PCIR_COMMAND, 2); - data |= (PCIM_CMD_PORTEN|PCIM_CMD_MEMEN|PCIM_CMD_BUSMASTEREN); - pci_write_config(dev, PCIR_COMMAND, data, 2); - data = pci_read_config(dev, PCIR_COMMAND, 2); - - for (i = 0; (mapped == 0) && (i < PCI_MAXMAPS_0); i++) { - fm801->regid = PCIR_MAPS + i*4; - fm801->regtype = SYS_RES_MEMORY; - fm801->reg = bus_alloc_resource(dev, fm801->regtype, &fm801->regid, - 0, ~0, 1, RF_ACTIVE); - if(!fm801->reg) - { - fm801->regtype = SYS_RES_IOPORT; - fm801->reg = bus_alloc_resource(dev, fm801->regtype, &fm801->regid, - 0, ~0, 1, RF_ACTIVE); - } - - if(fm801->reg) { - fm801->st = rman_get_bustag(fm801->reg); - fm801->sh = rman_get_bushandle(fm801->reg); - mapped++; - } - } - - if (mapped == 0) { - device_printf(dev, "unable to map register space\n"); - goto oops; - } - - fm801_init(fm801); - - codec = ac97_create(dev, (void *)fm801, NULL, fm801_rdcd, fm801_wrcd); - if (codec == NULL) goto oops; - - if (mixer_init(dev, &ac97_mixer, codec) == -1) goto oops; - - fm801->irqid = 0; - fm801->irq = bus_alloc_resource(dev, SYS_RES_IRQ, &fm801->irqid, - 0, ~0, 1, RF_ACTIVE | RF_SHAREABLE); - if (!fm801->irq || - bus_setup_intr(dev, fm801->irq, INTR_TYPE_TTY, - fm801_intr, fm801, &fm801->ih)) { - device_printf(dev, "unable to map interrupt\n"); - goto oops; - } - - if (bus_dma_tag_create(/*parent*/NULL, /*alignment*/2, /*boundary*/0, - /*lowaddr*/BUS_SPACE_MAXADDR_32BIT, - /*highaddr*/BUS_SPACE_MAXADDR, - /*filter*/NULL, /*filterarg*/NULL, - /*maxsize*/FM801_BUFFSIZE, /*nsegments*/1, /*maxsegz*/0x3ffff, - /*flags*/0, &fm801->parent_dmat) != 0) { - device_printf(dev, "unable to create dma tag\n"); - goto oops; - } - - snprintf(status, 64, "at %s 0x%lx irq %ld", - (fm801->regtype == SYS_RES_IOPORT)? "io" : "memory", - rman_get_start(fm801->reg), rman_get_start(fm801->irq)); - -#define FM801_MAXPLAYCH 1 - if (pcm_register(dev, fm801, FM801_MAXPLAYCH, 1)) goto oops; - pcm_addchan(dev, PCMDIR_PLAY, &fm801_chantemplate, fm801); - pcm_addchan(dev, PCMDIR_REC, &fm801_chantemplate, fm801); - pcm_setstatus(dev, status); - - return 0; - -oops: - if (codec) ac97_destroy(codec); - if (fm801->reg) bus_release_resource(dev, fm801->regtype, fm801->regid, fm801->reg); - if (fm801->ih) bus_teardown_intr(dev, fm801->irq, fm801->ih); - if (fm801->irq) bus_release_resource(dev, SYS_RES_IRQ, fm801->irqid, fm801->irq); - if (fm801->parent_dmat) bus_dma_tag_destroy(fm801->parent_dmat); - free(fm801, M_DEVBUF); - return ENXIO; -} - -static int -fm801_pci_detach(device_t dev) -{ - int r; - struct fm801_info *fm801; - - DPRINT("Forte Media FM801 detach\n"); - - r = pcm_unregister(dev); - if (r) - return r; - - fm801 = pcm_getdevinfo(dev); - bus_release_resource(dev, fm801->regtype, fm801->regid, fm801->reg); - bus_teardown_intr(dev, fm801->irq, fm801->ih); - bus_release_resource(dev, SYS_RES_IRQ, fm801->irqid, fm801->irq); - bus_dma_tag_destroy(fm801->parent_dmat); - free(fm801, M_DEVBUF); - return 0; -} - -static int -fm801_pci_probe( device_t dev ) -{ - int id; - if ((id = pci_get_devid(dev)) == PCI_DEVICE_FORTEMEDIA1 ) { - device_set_desc(dev, "Forte Media FM801 Audio Controller"); - return 0; - } -/* - if ((id = pci_get_devid(dev)) == PCI_DEVICE_FORTEMEDIA2 ) { - device_set_desc(dev, "Forte Media FM801 Joystick (Not Supported)"); - return ENXIO; - } -*/ - return ENXIO; -} - - - -/* channel interface */ -static void * -fm801ch_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir) -{ - struct fm801_info *fm801 = (struct fm801_info *)devinfo; - struct fm801_chinfo *ch = (dir == PCMDIR_PLAY)? &fm801->pch : &fm801->rch; - - DPRINT("fm801ch_init, direction = %d\n", dir); - ch->parent = fm801; - ch->channel = c; - ch->buffer = b; - ch->buffer->bufsize = FM801_BUFFSIZE; - ch->dir = dir; - if( chn_allocbuf(ch->buffer, fm801->parent_dmat) == -1) return NULL; - return (void *)ch; -} - -static int -fm801ch_setformat(void *data, u_int32_t format) -{ - struct fm801_chinfo *ch = data; - struct fm801_info *fm801 = ch->parent; - - DPRINT("fm801ch_setformat 0x%x : %s, %s, %s, %s\n", format, - (format & AFMT_STEREO)?"stereo":"mono", - (format & (AFMT_S16_LE | AFMT_S16_BE | AFMT_U16_LE | AFMT_U16_BE)) ? "16bit":"8bit", - (format & AFMT_SIGNED)? "signed":"unsigned", - (format & AFMT_BIGENDIAN)?"bigendiah":"littleendian" ); - - if(ch->dir == PCMDIR_PLAY) { - fm801->play_fmt = (format & AFMT_STEREO)? FM_PLAY_STEREO : 0; - fm801->play_fmt |= (format & AFMT_16BIT) ? FM_PLAY_16BIT : 0; - return 0; - } - - if(ch->dir == PCMDIR_REC ) { - fm801->rec_fmt = (format & AFMT_STEREO)? FM_REC_STEREO:0; - fm801->rec_fmt |= (format & AFMT_16BIT) ? FM_PLAY_16BIT : 0; - return 0; - } - - return 0; -} - -struct { - int limit; - int rate; -} fm801_rates[11] = { - { 6600, 5500 }, - { 8750, 8000 }, - { 10250, 9600 }, - { 13200, 11025 }, - { 17500, 16000 }, - { 20500, 19200 }, - { 26500, 22050 }, - { 35000, 32000 }, - { 41000, 38400 }, - { 46000, 44100 }, - { 48000, 48000 }, -/* anything above -> 48000 */ -}; - -static int -fm801ch_setspeed(void *data, u_int32_t speed) -{ - struct fm801_chinfo *ch = data; - struct fm801_info *fm801 = ch->parent; - register int i; - - - for (i = 0; i < 10 && fm801_rates[i].limit <= speed; i++) ; - - if(ch->dir == PCMDIR_PLAY) { - fm801->pch.spd = fm801_rates[i].rate; - fm801->play_shift = (i<<8); - fm801->play_shift &= FM_PLAY_RATE_MASK; - } - - if(ch->dir == PCMDIR_REC ) { - fm801->rch.spd = fm801_rates[i].rate; - fm801->rec_shift = (i<<8); - fm801->rec_shift &= FM_REC_RATE_MASK; - } - - ch->spd = fm801_rates[i].rate; - - return fm801_rates[i].rate; -} - -static int -fm801ch_setblocksize(void *data, u_int32_t blocksize) -{ - struct fm801_chinfo *ch = data; - struct fm801_info *fm801 = ch->parent; - - if(ch->dir == PCMDIR_PLAY) { - if(fm801->play_flip) return fm801->play_blksize; - fm801->play_blksize = blocksize; - } - - if(ch->dir == PCMDIR_REC) { - if(fm801->rec_flip) return fm801->rec_blksize; - fm801->rec_blksize = blocksize; - } - - DPRINT("fm801ch_setblocksize %d (dir %d)\n",blocksize, ch->dir); - - return blocksize; -} - -static int -fm801ch_trigger(void *data, int go) -{ - struct fm801_chinfo *ch = data; - struct fm801_info *fm801 = ch->parent; - u_int32_t baseaddr = vtophys(ch->buffer->buf); - snd_dbuf *b = ch->buffer; - u_int32_t k1; - - DPRINT("fm801ch_trigger go %d , ", go); - DPRINT("rp %d, rl %d, fp %d fl %d, dl %d, blksize=%d\n", - b->rp,b->rl, b->fp,b->fl, b->dl, b->blksz); - - if (go == PCMTRIG_EMLDMAWR || go == PCMTRIG_EMLDMARD) { - return 0; - } - - if (ch->dir == PCMDIR_PLAY) { - if (go == PCMTRIG_START) { - - fm801->play_start = baseaddr; - fm801->play_nextblk = fm801->play_start + fm801->play_blksize; - fm801->play_flip = 0; - fm801_wr(fm801, FM_PLAY_DMALEN, fm801->play_blksize - 1, 2); - fm801_wr(fm801, FM_PLAY_DMABUF1,fm801->play_start,4); - fm801_wr(fm801, FM_PLAY_DMABUF2,fm801->play_nextblk,4); - fm801_wr(fm801, FM_PLAY_CTL, - FM_PLAY_START | FM_PLAY_STOPNOW | fm801->play_fmt | fm801->play_shift, - 2 ); - } else { - fm801->play_flip = 0; - k1 = fm801_rd(fm801, FM_PLAY_CTL,2); - fm801_wr(fm801, FM_PLAY_CTL, - (k1 & ~(FM_PLAY_STOPNOW | FM_PLAY_START)) | - FM_PLAY_BUF1_LAST | FM_PLAY_BUF2_LAST, 2 ); - } - } else if(ch->dir == PCMDIR_REC) { - if (go == PCMTRIG_START) { - fm801->rec_start = baseaddr; - fm801->rec_nextblk = fm801->rec_start + fm801->rec_blksize; - fm801->rec_flip = 0; - fm801_wr(fm801, FM_REC_DMALEN, fm801->rec_blksize - 1, 2); - fm801_wr(fm801, FM_REC_DMABUF1,fm801->rec_start,4); - fm801_wr(fm801, FM_REC_DMABUF2,fm801->rec_nextblk,4); - fm801_wr(fm801, FM_REC_CTL, - FM_REC_START | FM_REC_STOPNOW | fm801->rec_fmt | fm801->rec_shift, - 2 ); - } else { - fm801->rec_flip = 0; - k1 = fm801_rd(fm801, FM_REC_CTL,2); - fm801_wr(fm801, FM_REC_CTL, - (k1 & ~(FM_REC_STOPNOW | FM_REC_START)) | - FM_REC_BUF1_LAST | FM_REC_BUF2_LAST, 2); - } - } - - return 0; -} - -/* Almost ALSA copy */ -static int -fm801ch_getptr(void *data) -{ - struct fm801_chinfo *ch = data; - struct fm801_info *fm801 = ch->parent; - int result = 0; - snd_dbuf *b = ch->buffer; - - if (ch->dir == PCMDIR_PLAY) { - result = fm801_rd(fm801, - (fm801->play_flip&1) ? - FM_PLAY_DMABUF2:FM_PLAY_DMABUF1, 4) - fm801->play_start; - } - - if (ch->dir == PCMDIR_REC) { - result = fm801_rd(fm801, - (fm801->rec_flip&1) ? - FM_REC_DMABUF2:FM_REC_DMABUF1, 4) - fm801->rec_start; - } - - DPRINT("fm801ch_getptr:%d, rp %d, rl %d, fp %d fl %d\n", - result, b->rp,b->rl, b->fp,b->fl); - - return result; -} - -static pcmchan_caps * -fm801ch_getcaps(void *data) -{ - return &fm801ch_caps; -} - -static device_method_t fm801_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, fm801_pci_probe), - DEVMETHOD(device_attach, fm801_pci_attach), - DEVMETHOD(device_detach, fm801_pci_detach), - { 0, 0} -}; - -static driver_t fm801_driver = { - "pcm", - fm801_methods, - sizeof(snddev_info), -}; - -static devclass_t pcm_devclass; - -DRIVER_MODULE(fm801, pci, fm801_driver, pcm_devclass, 0, 0); |