Date: Sun, 8 Nov 2009 21:00:50 +0000 (UTC) From: Andrew Thompson <thompsa@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r199060 - head/sys/dev/sound/usb Message-ID: <200911082100.nA8L0o9w097805@svn.freebsd.org>
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Author: thompsa Date: Sun Nov 8 21:00:50 2009 New Revision: 199060 URL: http://svn.freebsd.org/changeset/base/199060 Log: Improve support for High-speed USB audio devices. - fix issues regarding the mixer, where the interface number was not set in time. - fix wrong use of resolution parameter. Submitted by: Hans Petter Selasky Modified: head/sys/dev/sound/usb/uaudio.c Modified: head/sys/dev/sound/usb/uaudio.c ============================================================================== --- head/sys/dev/sound/usb/uaudio.c Sun Nov 8 20:54:03 2009 (r199059) +++ head/sys/dev/sound/usb/uaudio.c Sun Nov 8 21:00:50 2009 (r199060) @@ -105,10 +105,9 @@ SYSCTL_INT(_hw_usb_uaudio, OID_AUTO, def &uaudio_default_channels, 0, "uaudio default sample channels"); #endif -#define UAUDIO_MINFRAMES 16 /* must be factor of 8 due HS-USB */ +#define UAUDIO_NFRAMES 64 /* must be factor of 8 due HS-USB */ #define UAUDIO_NCHANBUFS 2 /* number of outstanding request */ #define UAUDIO_RECURSE_LIMIT 24 /* rounds */ -#define UAUDIO_MINFRAMES_ALIGN(x) ((x) & ~(UAUDIO_MINFRAMES - 1)) #define MAKE_WORD(h,l) (((h) << 8) | (l)) #define BIT_TEST(bm,bno) (((bm)[(bno) / 8] >> (7 - ((bno) % 8))) & 1) @@ -119,7 +118,7 @@ struct uaudio_mixer_node { int32_t maxval; #define MIX_MAX_CHAN 8 int32_t wValue[MIX_MAX_CHAN]; /* using nchan */ - uint32_t delta; + uint32_t mod; /* modulus */ uint32_t mul; uint32_t ctl; @@ -169,7 +168,7 @@ struct uaudio_chan { * buffer */ uint32_t intr_size; /* in bytes */ - uint32_t block_size; + uint32_t intr_frames; /* in units */ uint32_t sample_rate; uint32_t format; uint32_t pcm_format[2]; @@ -410,7 +409,7 @@ static const struct usb_config .endpoint = UE_ADDR_ANY, .direction = UE_DIR_IN, .bufsize = 0, /* use "wMaxPacketSize * frames" */ - .frames = UAUDIO_MINFRAMES, + .frames = UAUDIO_NFRAMES, .flags = {.short_xfer_ok = 1,}, .callback = &uaudio_chan_record_callback, }, @@ -420,7 +419,7 @@ static const struct usb_config .endpoint = UE_ADDR_ANY, .direction = UE_DIR_IN, .bufsize = 0, /* use "wMaxPacketSize * frames" */ - .frames = UAUDIO_MINFRAMES, + .frames = UAUDIO_NFRAMES, .flags = {.short_xfer_ok = 1,}, .callback = &uaudio_chan_record_callback, }, @@ -433,7 +432,7 @@ static const struct usb_config .endpoint = UE_ADDR_ANY, .direction = UE_DIR_OUT, .bufsize = 0, /* use "wMaxPacketSize * frames" */ - .frames = UAUDIO_MINFRAMES, + .frames = UAUDIO_NFRAMES, .flags = {.short_xfer_ok = 1,}, .callback = &uaudio_chan_play_callback, }, @@ -443,7 +442,7 @@ static const struct usb_config .endpoint = UE_ADDR_ANY, .direction = UE_DIR_OUT, .bufsize = 0, /* use "wMaxPacketSize * frames" */ - .frames = UAUDIO_MINFRAMES, + .frames = UAUDIO_NFRAMES, .flags = {.short_xfer_ok = 1,}, .callback = &uaudio_chan_play_callback, }, @@ -506,7 +505,6 @@ static const struct usb_config .endpoint = 0x00, /* Control pipe */ .direction = UE_DIR_ANY, .bufsize = sizeof(struct usb_device_request), - .flags = {}, .callback = &umidi_write_clear_stall_callback, .timeout = 1000, /* 1 second */ .interval = 50, /* 50ms */ @@ -517,7 +515,6 @@ static const struct usb_config .endpoint = 0x00, /* Control pipe */ .direction = UE_DIR_ANY, .bufsize = sizeof(struct usb_device_request), - .flags = {}, .callback = &umidi_read_clear_stall_callback, .timeout = 1000, /* 1 second */ .interval = 50, /* 50ms */ @@ -577,6 +574,8 @@ uaudio_attach(device_t dev) sc->sc_play_chan.priv_sc = sc; sc->sc_rec_chan.priv_sc = sc; sc->sc_udev = uaa->device; + sc->sc_mixer_iface_index = uaa->info.bIfaceIndex; + sc->sc_mixer_iface_no = uaa->info.bIfaceNum; if (usb_test_quirk(uaa, UQ_AUDIO_SWAP_LR)) sc->sc_uq_audio_swap_lr = 1; @@ -600,9 +599,6 @@ uaudio_attach(device_t dev) uaudio_mixer_fill_info(sc, uaa->device, id); - sc->sc_mixer_iface_index = uaa->info.bIfaceIndex; - sc->sc_mixer_iface_no = uaa->info.bIfaceNum; - DPRINTF("audio rev %d.%02x\n", sc->sc_audio_rev >> 8, sc->sc_audio_rev & 0xff); @@ -1119,34 +1115,11 @@ done: * next audio transfer. */ static void -uaudio_setup_blockcount(struct uaudio_chan *ch, usb_frcount_t max_frames, +uaudio_setup_blockcount(struct uaudio_chan *ch, uint32_t *total, uint32_t *blockcount) { - uint32_t temp; - uint32_t isiz; - - /* allow dynamic sizing of play buffer */ - isiz = ch->intr_size; - - /* allow dynamic sizing of play buffer */ - temp = isiz / ch->bytes_per_frame; - - /* align units */ - temp = UAUDIO_MINFRAMES_ALIGN(temp); - - /* range check - min */ - if (temp == 0) - temp = UAUDIO_MINFRAMES; - - /* range check - max */ - if (temp > max_frames) - temp = max_frames; - - /* store blockcount */ - *blockcount = temp; - - /* compute the total length */ - *total = temp * ch->bytes_per_frame; + *total = ch->intr_size; + *blockcount = ch->intr_frames; } static void @@ -1162,8 +1135,12 @@ uaudio_chan_play_callback(struct usb_xfe usbd_xfer_status(xfer, &actlen, &sumlen, NULL, NULL); - uaudio_setup_blockcount(ch, usbd_xfer_max_frames(xfer), - &total, &blockcount); + uaudio_setup_blockcount(ch, &total, &blockcount); + + if (ch->end == ch->start) { + DPRINTF("no buffer!\n"); + return; + } switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: @@ -1187,10 +1164,6 @@ tr_transferred: for (n = 0; n != blockcount; n++) usbd_xfer_set_frame_len(xfer, n, ch->bytes_per_frame); - if (ch->end == ch->start) { - DPRINTF("no buffer!\n"); - break; - } DPRINTFN(6, "transfer %d bytes\n", total); offset = 0; @@ -1235,17 +1208,23 @@ uaudio_chan_record_callback(struct usb_x uint32_t blockcount; uint32_t offset0; uint32_t offset1; + uint32_t mfl; int len; - int actlen, nframes; + int actlen; + int nframes; usbd_xfer_status(xfer, &actlen, NULL, NULL, &nframes); + mfl = usbd_xfer_max_framelen(xfer); - uaudio_setup_blockcount(ch, usbd_xfer_max_frames(xfer), - &total, &blockcount); + uaudio_setup_blockcount(ch, &total, &blockcount); + + if (ch->end == ch->start) { + DPRINTF("no buffer!\n"); + return; + } switch (USB_GET_STATE(xfer)) { case USB_ST_TRANSFERRED: -tr_transferred: if (actlen < total) { DPRINTF("short transfer, " "%d of %d bytes\n", actlen, total); @@ -1254,11 +1233,11 @@ tr_transferred: } offset0 = 0; + pc = usbd_xfer_get_frame(xfer, 0); for (n = 0; n != nframes; n++) { offset1 = offset0; - pc = usbd_xfer_get_frame(xfer, 0); len = usbd_xfer_frame_len(xfer, n); while (len > 0) { @@ -1279,36 +1258,26 @@ tr_transferred: } } - offset0 += ch->bytes_per_frame; + offset0 += mfl; } chn_intr(ch->pcm_ch); case USB_ST_SETUP: - if (ch->bytes_per_frame > usbd_xfer_max_framelen(xfer)) { - DPRINTF("bytes per transfer, %d, " - "exceeds maximum, %d!\n", - ch->bytes_per_frame, - usbd_xfer_max_framelen(xfer)); - return; - } +tr_setup: usbd_xfer_set_frames(xfer, blockcount); for (n = 0; n < blockcount; n++) { - usbd_xfer_set_frame_len(xfer, n, ch->bytes_per_frame); + usbd_xfer_set_frame_len(xfer, n, mfl); } - if (ch->end == ch->start) { - DPRINTF("no buffer!\n"); - return; - } usbd_transfer_submit(xfer); - return; + break; default: /* Error */ if (error == USB_ERR_CANCELLED) { - return; + break; } - goto tr_transferred; + goto tr_setup; } } @@ -1319,38 +1288,26 @@ uaudio_chan_init(struct uaudio_softc *sc struct uaudio_chan *ch = ((dir == PCMDIR_PLAY) ? &sc->sc_play_chan : &sc->sc_rec_chan); uint32_t buf_size; + uint32_t frames; uint8_t endpoint; + uint8_t blocks; uint8_t iface_index; uint8_t alt_index; + uint8_t fps_shift; usb_error_t err; - /* compute required buffer size */ - buf_size = (ch->bytes_per_frame * UAUDIO_MINFRAMES); - - /* setup interrupt interval */ - ch->intr_size = buf_size; + if (usbd_get_isoc_fps(sc->sc_udev) < 8000) { + /* FULL speed USB */ + frames = 8; + } else { + /* HIGH speed USB */ + frames = UAUDIO_NFRAMES; + } - /* double buffering */ - buf_size *= 2; + /* compute required buffer size */ - ch->buf = malloc(buf_size, M_DEVBUF, M_WAITOK | M_ZERO); - if (ch->buf == NULL) { - goto error; - } - if (sndbuf_setup(b, ch->buf, buf_size) != 0) { - goto error; - } - ch->start = ch->buf; - ch->end = ch->buf + buf_size; - ch->cur = ch->buf; - ch->pcm_ch = c; - ch->pcm_mtx = c->lock; - ch->pcm_buf = b; + buf_size = (ch->bytes_per_frame * frames); - if (ch->pcm_mtx == NULL) { - DPRINTF("ERROR: PCM channels does not have a mutex!\n"); - goto error; - } /* setup play/record format */ ch->pcm_cap.fmtlist = ch->pcm_format; @@ -1370,7 +1327,6 @@ uaudio_chan_init(struct uaudio_softc *sc ch->pcm_cap.fmtlist[1] = 0; - /* set alternate interface corresponding to the mode */ endpoint = ch->p_ed1->bEndpointAddress; @@ -1407,6 +1363,43 @@ uaudio_chan_init(struct uaudio_softc *sc DPRINTF("could not allocate USB transfers!\n"); goto error; } + + fps_shift = usbd_xfer_get_fps_shift(ch->xfer[0]); + + /* setup frame sizes */ + ch->intr_size = buf_size; + ch->intr_frames = (frames >> fps_shift); + ch->bytes_per_frame <<= fps_shift; + + if (ch->intr_frames == 0) { + DPRINTF("frame shift is too high!\n"); + goto error; + } + + /* setup double buffering */ + buf_size *= 2; + blocks = 2; + + ch->buf = malloc(buf_size, M_DEVBUF, M_WAITOK | M_ZERO); + if (ch->buf == NULL) + goto error; + if (sndbuf_setup(b, ch->buf, buf_size) != 0) + goto error; + if (sndbuf_resize(b, blocks, ch->intr_size)) + goto error; + + ch->start = ch->buf; + ch->end = ch->buf + buf_size; + ch->cur = ch->buf; + ch->pcm_ch = c; + ch->pcm_mtx = c->lock; + ch->pcm_buf = b; + + if (ch->pcm_mtx == NULL) { + DPRINTF("ERROR: PCM channels does not have a mutex!\n"); + goto error; + } + return (ch); error: @@ -1431,30 +1424,13 @@ uaudio_chan_free(struct uaudio_chan *ch) int uaudio_chan_set_param_blocksize(struct uaudio_chan *ch, uint32_t blocksize) { - uaudio_chan_set_param_fragments(ch, blocksize, 0 - 1); - - return (ch->block_size); + return (ch->intr_size); } int uaudio_chan_set_param_fragments(struct uaudio_chan *ch, uint32_t blocksize, uint32_t blockcount) { - /* we only support one size */ - blocksize = ch->intr_size; - blockcount = 2; - - if ((sndbuf_getblksz(ch->pcm_buf) != blocksize) || - (sndbuf_getblkcnt(ch->pcm_buf) != blockcount)) { - DPRINTFN(1, "resizing to %u x " - "%u bytes\n", blockcount, blocksize); - if (sndbuf_resize(ch->pcm_buf, blockcount, blocksize)) { - DPRINTFN(0, "failed to resize sound buffer, count=%u, " - "size=%u\n", blockcount, blocksize); - } - } - ch->block_size = sndbuf_getblksz(ch->pcm_buf); - return (1); } @@ -1591,12 +1567,12 @@ uaudio_mixer_add_ctl(struct uaudio_softc DPRINTF("adding %d\n", mc->ctl); } - mc->delta = 0; if (mc->type == MIX_ON_OFF) { mc->minval = 0; mc->maxval = 1; + mc->mod = 1; } else if (mc->type == MIX_SELECTOR) { - + mc->mod = 1; } else { /* determine min and max values */ @@ -1607,21 +1583,30 @@ uaudio_mixer_add_ctl(struct uaudio_softc mc->maxval = uaudio_mixer_get(sc->sc_udev, GET_MAX, mc); - mc->maxval = 1 + uaudio_mixer_signext(mc->type, mc->maxval); + mc->maxval = uaudio_mixer_signext(mc->type, mc->maxval); + + /* check if max and min was swapped */ + + if (mc->maxval < mc->minval) { + res = mc->maxval; + mc->maxval = mc->minval; + mc->minval = res; + } + /* compute value range */ mc->mul = mc->maxval - mc->minval; - if (mc->mul == 0) { + if (mc->mul == 0) mc->mul = 1; - } + + /* compute value alignment */ res = uaudio_mixer_get(sc->sc_udev, GET_RES, mc); - if (res > 0) { - mc->delta = ((res * 255) + (mc->mul / 2)) / mc->mul; - } + if (res == 0) + res = 1; + mc->mod = mc->mul / res; + if (mc->mod == 0) + mc->mod = 1; } - if (mc->maxval < mc->minval) { - mc->maxval = mc->minval; - } uaudio_mixer_add_ctl_sub(sc, mc); #if USB_DEBUG @@ -3108,7 +3093,21 @@ uaudio_mixer_bsd2value(struct uaudio_mix val = mc->minval; } } else { - val = (((val + (mc->delta / 2)) * mc->mul) / 255) + mc->minval; + + /* compute actual volume */ + val = (val * mc->mul) / 255; + + /* align volume level */ + val = val - (val % mc->mod); + + /* add lower offset */ + val = val + mc->minval; + + /* make sure we don't write a value out of range */ + if (val > mc->maxval) + val = mc->maxval; + else if (val < mc->minval) + val = mc->minval; } DPRINTFN(6, "type=0x%03x val=%d min=%d max=%d val=%d\n",
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