diff options
Diffstat (limited to 'sound/usb')
| -rw-r--r-- | sound/usb/Makefile | 3 | ||||
| -rw-r--r-- | sound/usb/card.c | 18 | ||||
| -rw-r--r-- | sound/usb/card.h | 1 | ||||
| -rw-r--r-- | sound/usb/clock.c | 311 | ||||
| -rw-r--r-- | sound/usb/clock.h | 12 | ||||
| -rw-r--r-- | sound/usb/endpoint.c | 57 | ||||
| -rw-r--r-- | sound/usb/format.c | 16 | ||||
| -rw-r--r-- | sound/usb/mixer.c | 213 | ||||
| -rw-r--r-- | sound/usb/mixer.h | 2 | ||||
| -rw-r--r-- | sound/usb/mixer_maps.c | 4 | ||||
| -rw-r--r-- | sound/usb/pcm.c | 98 | ||||
| -rw-r--r-- | sound/usb/usbaudio.h | 5 |
12 files changed, 516 insertions, 224 deletions
diff --git a/sound/usb/Makefile b/sound/usb/Makefile index e7ac7f493a8..1e362bf8834 100644 --- a/sound/usb/Makefile +++ b/sound/usb/Makefile @@ -11,7 +11,8 @@ snd-usb-audio-objs := card.o \ endpoint.o \ urb.o \ pcm.o \ - helper.o + helper.o \ + clock.o snd-usbmidi-lib-objs := midi.o diff --git a/sound/usb/card.c b/sound/usb/card.c index da1346bd485..7a8ac1d81be 100644 --- a/sound/usb/card.c +++ b/sound/usb/card.c @@ -236,7 +236,6 @@ static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif) } case UAC_VERSION_2: { - struct uac_clock_source_descriptor *cs; struct usb_interface_assoc_descriptor *assoc = usb_ifnum_to_if(dev, ctrlif)->intf_assoc; @@ -245,21 +244,6 @@ static int snd_usb_create_streams(struct snd_usb_audio *chip, int ctrlif) return -EINVAL; } - /* FIXME: for now, we expect there is at least one clock source - * descriptor and we always take the first one. - * We should properly support devices with multiple clock sources, - * clock selectors and sample rate conversion units. */ - - cs = snd_usb_find_csint_desc(host_iface->extra, host_iface->extralen, - NULL, UAC2_CLOCK_SOURCE); - - if (!cs) { - snd_printk(KERN_ERR "CLOCK_SOURCE descriptor not found\n"); - return -EINVAL; - } - - chip->clock_id = cs->bClockID; - for (i = 0; i < assoc->bInterfaceCount; i++) { int intf = assoc->bFirstInterface + i; @@ -481,6 +465,8 @@ static void *snd_usb_audio_probe(struct usb_device *dev, goto __error; } + chip->ctrl_intf = alts; + if (err > 0) { /* create normal USB audio interfaces */ if (snd_usb_create_streams(chip, ifnum) < 0 || diff --git a/sound/usb/card.h b/sound/usb/card.h index ed92420c109..1febf2f2375 100644 --- a/sound/usb/card.h +++ b/sound/usb/card.h @@ -25,6 +25,7 @@ struct audioformat { unsigned int rate_min, rate_max; /* min/max rates */ unsigned int nr_rates; /* number of rate table entries */ unsigned int *rate_table; /* rate table */ + unsigned char clock; /* associated clock */ }; struct snd_usb_substream; diff --git a/sound/usb/clock.c b/sound/usb/clock.c new file mode 100644 index 00000000000..b7aadd614c7 --- /dev/null +++ b/sound/usb/clock.c @@ -0,0 +1,311 @@ +/* + * Clock domain and sample rate management functions + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include <linux/bitops.h> +#include <linux/init.h> +#include <linux/list.h> +#include <linux/slab.h> +#include <linux/string.h> +#include <linux/usb.h> +#include <linux/moduleparam.h> +#include <linux/mutex.h> +#include <linux/usb/audio.h> +#include <linux/usb/audio-v2.h> + +#include <sound/core.h> +#include <sound/info.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/initval.h> + +#include "usbaudio.h" +#include "card.h" +#include "midi.h" +#include "mixer.h" +#include "proc.h" +#include "quirks.h" +#include "endpoint.h" +#include "helper.h" +#include "debug.h" +#include "pcm.h" +#include "urb.h" +#include "format.h" + +static struct uac_clock_source_descriptor * + snd_usb_find_clock_source(struct usb_host_interface *ctrl_iface, + int clock_id) +{ + struct uac_clock_source_descriptor *cs = NULL; + + while ((cs = snd_usb_find_csint_desc(ctrl_iface->extra, + ctrl_iface->extralen, + cs, UAC2_CLOCK_SOURCE))) { + if (cs->bClockID == clock_id) + return cs; + } + + return NULL; +} + +static struct uac_clock_selector_descriptor * + snd_usb_find_clock_selector(struct usb_host_interface *ctrl_iface, + int clock_id) +{ + struct uac_clock_selector_descriptor *cs = NULL; + + while ((cs = snd_usb_find_csint_desc(ctrl_iface->extra, + ctrl_iface->extralen, + cs, UAC2_CLOCK_SELECTOR))) { + if (cs->bClockID == clock_id) + return cs; + } + + return NULL; +} + +static struct uac_clock_multiplier_descriptor * + snd_usb_find_clock_multiplier(struct usb_host_interface *ctrl_iface, + int clock_id) +{ + struct uac_clock_multiplier_descriptor *cs = NULL; + + while ((cs = snd_usb_find_csint_desc(ctrl_iface->extra, + ctrl_iface->extralen, + cs, UAC2_CLOCK_MULTIPLIER))) { + if (cs->bClockID == clock_id) + return cs; + } + + return NULL; +} + +static int uac_clock_selector_get_val(struct snd_usb_audio *chip, int selector_id) +{ + unsigned char buf; + int ret; + + ret = snd_usb_ctl_msg(chip->dev, usb_rcvctrlpipe(chip->dev, 0), + UAC2_CS_CUR, + USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_IN, + UAC2_CX_CLOCK_SELECTOR << 8, selector_id << 8, + &buf, sizeof(buf), 1000); + + if (ret < 0) + return ret; + + return buf; +} + +static bool uac_clock_source_is_valid(struct snd_usb_audio *chip, int source_id) +{ + int err; + unsigned char data; + struct usb_device *dev = chip->dev; + + err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC2_CS_CUR, + USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, + UAC2_CS_CONTROL_CLOCK_VALID << 8, source_id << 8, + &data, sizeof(data), 1000); + + if (err < 0) { + snd_printk(KERN_WARNING "%s(): cannot get clock validity for id %d\n", + __func__, source_id); + return err; + } + + return !!data; +} + +/* Try to find the clock source ID of a given clock entity */ + +static int __uac_clock_find_source(struct snd_usb_audio *chip, + struct usb_host_interface *host_iface, + int entity_id, unsigned long *visited) +{ + struct uac_clock_source_descriptor *source; + struct uac_clock_selector_descriptor *selector; + struct uac_clock_multiplier_descriptor *multiplier; + + entity_id &= 0xff; + + if (test_and_set_bit(entity_id, visited)) { + snd_printk(KERN_WARNING + "%s(): recursive clock topology detected, id %d.\n", + __func__, entity_id); + return -EINVAL; + } + + /* first, see if the ID we're looking for is a clock source already */ + source = snd_usb_find_clock_source(host_iface, entity_id); + if (source) + return source->bClockID; + + selector = snd_usb_find_clock_selector(host_iface, entity_id); + if (selector) { + int ret; + + /* the entity ID we are looking for is a selector. + * find out what it currently selects */ + ret = uac_clock_selector_get_val(chip, selector->bClockID); + if (ret < 0) + return ret; + + if (ret > selector->bNrInPins || ret < 1) { + printk(KERN_ERR + "%s(): selector reported illegal value, id %d, ret %d\n", + __func__, selector->bClockID, ret); + + return -EINVAL; + } + + return __uac_clock_find_source(chip, host_iface, + selector->baCSourceID[ret-1], + visited); + } + + /* FIXME: multipliers only act as pass-thru element for now */ + multiplier = snd_usb_find_clock_multiplier(host_iface, entity_id); + if (multiplier) + return __uac_clock_find_source(chip, host_iface, + multiplier->bCSourceID, visited); + + return -EINVAL; +} + +int snd_usb_clock_find_source(struct snd_usb_audio *chip, + struct usb_host_interface *host_iface, + int entity_id) +{ + DECLARE_BITMAP(visited, 256); + memset(visited, 0, sizeof(visited)); + return __uac_clock_find_source(chip, host_iface, entity_id, visited); +} + +static int set_sample_rate_v1(struct snd_usb_audio *chip, int iface, + struct usb_host_interface *alts, + struct audioformat *fmt, int rate) +{ + struct usb_device *dev = chip->dev; + unsigned int ep; + unsigned char data[3]; + int err, crate; + + ep = get_endpoint(alts, 0)->bEndpointAddress; + + /* if endpoint doesn't have sampling rate control, bail out */ + if (!(fmt->attributes & UAC_EP_CS_ATTR_SAMPLE_RATE)) { + snd_printk(KERN_WARNING "%d:%d:%d: endpoint lacks sample rate attribute bit, cannot set.\n", + dev->devnum, iface, fmt->altsetting); + return 0; + } + + data[0] = rate; + data[1] = rate >> 8; + data[2] = rate >> 16; + if ((err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR, + USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_OUT, + UAC_EP_CS_ATTR_SAMPLE_RATE << 8, ep, + data, sizeof(data), 1000)) < 0) { + snd_printk(KERN_ERR "%d:%d:%d: cannot set freq %d to ep %#x\n", + dev->devnum, iface, fmt->altsetting, rate, ep); + return err; + } + + if ((err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC_GET_CUR, + USB_TYPE_CLASS | USB_RECIP_ENDPOINT | USB_DIR_IN, + UAC_EP_CS_ATTR_SAMPLE_RATE << 8, ep, + data, sizeof(data), 1000)) < 0) { + snd_printk(KERN_WARNING "%d:%d:%d: cannot get freq at ep %#x\n", + dev->devnum, iface, fmt->altsetting, ep); + return 0; /* some devices don't support reading */ + } + + crate = data[0] | (data[1] << 8) | (data[2] << 16); + if (crate != rate) { + snd_printd(KERN_WARNING "current rate %d is different from the runtime rate %d\n", crate, rate); + // runtime->rate = crate; + } + + return 0; +} + +static int set_sample_rate_v2(struct snd_usb_audio *chip, int iface, + struct usb_host_interface *alts, + struct audioformat *fmt, int rate) +{ + struct usb_device *dev = chip->dev; + unsigned char data[4]; + int err, crate; + int clock = snd_usb_clock_find_source(chip, chip->ctrl_intf, fmt->clock); + + if (clock < 0) + return clock; + + if (!uac_clock_source_is_valid(chip, clock)) { + snd_printk(KERN_ERR "%d:%d:%d: clock source %d is not valid, cannot use\n", + dev->devnum, iface, fmt->altsetting, clock); + return -ENXIO; + } + + data[0] = rate; + data[1] = rate >> 8; + data[2] = rate >> 16; + data[3] = rate >> 24; + if ((err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC2_CS_CUR, + USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, + UAC2_CS_CONTROL_SAM_FREQ << 8, clock << 8, + data, sizeof(data), 1000)) < 0) { + snd_printk(KERN_ERR "%d:%d:%d: cannot set freq %d (v2)\n", + dev->devnum, iface, fmt->altsetting, rate); + return err; + } + + if ((err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC2_CS_CUR, + USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, + UAC2_CS_CONTROL_SAM_FREQ << 8, clock << 8, + data, sizeof(data), 1000)) < 0) { + snd_printk(KERN_WARNING "%d:%d:%d: cannot get freq (v2)\n", + dev->devnum, iface, fmt->altsetting); + return err; + } + + crate = data[0] | (data[1] << 8) | (data[2] << 16) | (data[3] << 24); + if (crate != rate) + snd_printd(KERN_WARNING "current rate %d is different from the runtime rate %d\n", crate, rate); + + return 0; +} + +int snd_usb_init_sample_rate(struct snd_usb_audio *chip, int iface, + struct usb_host_interface *alts, + struct audioformat *fmt, int rate) +{ + struct usb_interface_descriptor *altsd = get_iface_desc(alts); + + switch (altsd->bInterfaceProtocol) { + case UAC_VERSION_1: + return set_sample_rate_v1(chip, iface, alts, fmt, rate); + + case UAC_VERSION_2: + return set_sample_rate_v2(chip, iface, alts, fmt, rate); + } + + return -EINVAL; +} + diff --git a/sound/usb/clock.h b/sound/usb/clock.h new file mode 100644 index 00000000000..beb253684e2 --- /dev/null +++ b/sound/usb/clock.h @@ -0,0 +1,12 @@ +#ifndef __USBAUDIO_CLOCK_H +#define __USBAUDIO_CLOCK_H + +int snd_usb_init_sample_rate(struct snd_usb_audio *chip, int iface, + struct usb_host_interface *alts, + struct audioformat *fmt, int rate); + +int snd_usb_clock_find_source(struct snd_usb_audio *chip, + struct usb_host_interface *host_iface, + int entity_id); + +#endif /* __USBAUDIO_CLOCK_H */ diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c index 28ee1ce3971..9593b91452b 100644 --- a/sound/usb/endpoint.c +++ b/sound/usb/endpoint.c @@ -190,6 +190,38 @@ static int parse_uac_endpoint_attributes(struct snd_usb_audio *chip, return attributes; } +static struct uac2_input_terminal_descriptor * + snd_usb_find_input_terminal_descriptor(struct usb_host_interface *ctrl_iface, + int terminal_id) +{ + struct uac2_input_terminal_descriptor *term = NULL; + + while ((term = snd_usb_find_csint_desc(ctrl_iface->extra, + ctrl_iface->extralen, + term, UAC_INPUT_TERMINAL))) { + if (term->bTerminalID == terminal_id) + return term; + } + + return NULL; +} + +static struct uac2_output_terminal_descriptor * + snd_usb_find_output_terminal_descriptor(struct usb_host_interface *ctrl_iface, + int terminal_id) +{ + struct uac2_output_terminal_descriptor *term = NULL; + + while ((term = snd_usb_find_csint_desc(ctrl_iface->extra, + ctrl_iface->extralen, + term, UAC_OUTPUT_TERMINAL))) { + if (term->bTerminalID == terminal_id) + return term; + } + + return NULL; +} + int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no) { struct usb_device *dev; @@ -199,7 +231,7 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no) int i, altno, err, stream; int format = 0, num_channels = 0; struct audioformat *fp = NULL; - int num, protocol; + int num, protocol, clock = 0; struct uac_format_type_i_continuous_descriptor *fmt; dev = chip->dev; @@ -263,6 +295,8 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no) } case UAC_VERSION_2: { + struct uac2_input_terminal_descriptor *input_term; + struct uac2_output_terminal_descriptor *output_term; struct uac_as_header_descriptor_v2 *as = snd_usb_find_csint_desc(alts->extra, alts->extralen, NULL, UAC_AS_GENERAL); @@ -281,7 +315,25 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no) num_channels = as->bNrChannels; format = le32_to_cpu(as->bmFormats); - break; + /* lookup the terminal associated to this interface + * to extract the clock */ + input_term = snd_usb_find_input_terminal_descriptor(chip->ctrl_intf, + as->bTerminalLink); + if (input_term) { + clock = input_term->bCSourceID; + break; + } + + output_term = snd_usb_find_output_terminal_descriptor(chip->ctrl_intf, + as->bTerminalLink); + if (output_term) { + clock = output_term->bCSourceID; + break; + } + + snd_printk(KERN_ERR "%d:%u:%d : bogus bTerminalLink %d\n", + dev->devnum, iface_no, altno, as->bTerminalLink); + continue; } default: @@ -338,6 +390,7 @@ int snd_usb_parse_audio_endpoints(struct snd_usb_audio *chip, int iface_no) fp->maxpacksize = (((fp->maxpacksize >> 11) & 3) + 1) * (fp->maxpacksize & 0x7ff); fp->attributes = parse_uac_endpoint_attributes(chip, alts, protocol, iface_no); + fp->clock = clock; /* some quirks for attributes here */ diff --git a/sound/usb/format.c b/sound/usb/format.c index fe29d61de19..5367cd1e52d 100644 --- a/sound/usb/format.c +++ b/sound/usb/format.c @@ -29,6 +29,7 @@ #include "quirks.h" #include "helper.h" #include "debug.h" +#include "clock.h" /* * parse the audio format type I descriptor @@ -215,15 +216,17 @@ static int parse_audio_format_rates_v2(struct snd_usb_audio *chip, struct usb_device *dev = chip->dev; unsigned char tmp[2], *data; int i, nr_rates, data_size, ret = 0; + int clock = snd_usb_clock_find_source(chip, chip->ctrl_intf, fp->clock); /* get the number of sample rates first by only fetching 2 bytes */ ret = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC2_CS_RANGE, USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, - UAC2_CS_CONTROL_SAM_FREQ << 8, chip->clock_id << 8, + UAC2_CS_CONTROL_SAM_FREQ << 8, clock << 8, tmp, sizeof(tmp), 1000); if (ret < 0) { - snd_printk(KERN_ERR "unable to retrieve number of sample rates\n"); + snd_printk(KERN_ERR "%s(): unable to retrieve number of sample rates (clock %d)\n", + __func__, clock); goto err; } @@ -237,12 +240,13 @@ static int parse_audio_format_rates_v2(struct snd_usb_audio *chip, /* now get the full information */ ret = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC2_CS_RANGE, - USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, - UAC2_CS_CONTROL_SAM_FREQ << 8, chip->clock_id << 8, - data, data_size, 1000); + USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, + UAC2_CS_CONTROL_SAM_FREQ << 8, clock << 8, + data, data_size, 1000); if (ret < 0) { - snd_printk(KERN_ERR "unable to retrieve sample rate range\n"); + snd_printk(KERN_ERR "%s(): unable to retrieve sample rate range (clock %d)\n", + __func__, clock); ret = -EINVAL; goto err_free; } diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index 03ce971e002..a060d005e20 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -78,39 +78,6 @@ enum { USB_MIXER_U16, }; -enum { - USB_PROC_UPDOWN = 1, - USB_PROC_UPDOWN_SWITCH = 1, - USB_PROC_UPDOWN_MODE_SEL = 2, - - USB_PROC_PROLOGIC = 2, - USB_PROC_PROLOGIC_SWITCH = 1, - USB_PROC_PROLOGIC_MODE_SEL = 2, - - USB_PROC_3DENH = 3, - USB_PROC_3DENH_SWITCH = 1, - USB_PROC_3DENH_SPACE = 2, - - USB_PROC_REVERB = 4, - USB_PROC_REVERB_SWITCH = 1, - USB_PROC_REVERB_LEVEL = 2, - USB_PROC_REVERB_TIME = 3, - USB_PROC_REVERB_DELAY = 4, - - USB_PROC_CHORUS = 5, - USB_PROC_CHORUS_SWITCH = 1, - USB_PROC_CHORUS_LEVEL = 2, - USB_PROC_CHORUS_RATE = 3, - USB_PROC_CHORUS_DEPTH = 4, - - USB_PROC_DCR = 6, - USB_PROC_DCR_SWITCH = 1, - USB_PROC_DCR_RATIO = 2, - USB_PROC_DCR_MAX_AMP = 3, - USB_PROC_DCR_THRESHOLD = 4, - USB_PROC_DCR_ATTACK = 5, - USB_PROC_DCR_RELEASE = 6, -}; /*E-mu 0202(0404) eXtension Unit(XU) control*/ enum { @@ -198,22 +165,24 @@ static int check_mapped_selector_name(struct mixer_build *state, int unitid, /* * find an audio control unit with the given unit id - * this doesn't return any clock related units, so they need to be handled elsewhere */ static void *find_audio_control_unit(struct mixer_build *state, unsigned char unit) { - unsigned char *p; + /* we just parse the header */ + struct uac_feature_unit_descriptor *hdr = NULL; - p = NULL; - while ((p = snd_usb_find_desc(state->buffer, state->buflen, p, - USB_DT_CS_INTERFACE)) != NULL) { - if (p[0] >= 4 && p[2] >= UAC_INPUT_TERMINAL && p[2] <= UAC2_EXTENSION_UNIT_V2 && p[3] == unit) - return p; + while ((hdr = snd_usb_find_desc(state->buffer, state->buflen, hdr, + USB_DT_CS_INTERFACE)) != NULL) { + if (hdr->bLength >= 4 && + hdr->bDescriptorSubtype >= UAC_INPUT_TERMINAL && + hdr->bDescriptorSubtype <= UAC2_SAMPLE_RATE_CONVERTER && + hdr->bUnitID == unit) + return hdr; } + return NULL; } - /* * copy a string with the given id */ @@ -344,8 +313,8 @@ static int get_ctl_value_v2(struct usb_mixer_elem_info *cval, int request, int v buf, sizeof(buf), 1000); if (ret < 0) { - snd_printdd(KERN_ERR "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", - request, validx, cval->mixer->ctrlif | (cval->id << 8), cval->val_type); + snd_printk(KERN_ERR "cannot get ctl value: req = %#x, wValue = %#x, wIndex = %#x, type = %d\n", + request, validx, cval->mixer->ctrlif | (cval->id << 8), cval->val_type); return ret; } @@ -462,6 +431,16 @@ static int set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel, int index, int value) { int err; + unsigned int read_only = (channel == 0) ? + cval->master_readonly : + cval->ch_readonly & (1 << (channel - 1)); + + if (read_only) { + snd_printdd(KERN_INFO "%s(): channel %d of control %d is read_only\n", + __func__, channel, cval->control); + return 0; + } + err = snd_usb_mixer_set_ctl_value(cval, UAC_SET_CUR, (cval->control << 8) | channel, value); if (err < 0) @@ -631,6 +610,7 @@ static int get_term_name(struct mixer_build *state, struct usb_audio_term *iterm */ static int check_input_term(struct mixer_build *state, int id, struct usb_audio_term *term) { + int err; void *p1; memset(term, 0, sizeof(*term)); @@ -651,6 +631,11 @@ static int check_input_term(struct mixer_build *state, int id, struct usb_audio_ term->channels = d->bNrChannels; term->chconfig = le32_to_cpu(d->bmChannelConfig); term->name = d->iTerminal; + + /* call recursively to get the clock selectors */ + err = check_input_term(state, d->bCSourceID, term); + if (err < 0) + return err; } return 0; case UAC_FEATURE_UNIT: { @@ -667,7 +652,8 @@ static int check_input_term(struct mixer_build *state, int id, struct usb_audio_ term->name = uac_mixer_unit_iMixer(d); return 0; } - case UAC_SELECTOR_UNIT: { + case UAC_SELECTOR_UNIT: + case UAC2_CLOCK_SELECTOR: { struct uac_selector_unit_descriptor *d = p1; /* call recursively to retrieve the channel info */ if (check_input_term(state, d->baSourceID[0], term) < 0) @@ -690,6 +676,13 @@ static int check_input_term(struct mixer_build *state, int id, struct usb_audio_ term->name = uac_processing_unit_iProcessing(d, state->mixer->protocol); return 0; } + case UAC2_CLOCK_SOURCE: { + struct uac_clock_source_descriptor *d = p1; + term->type = d->bDescriptorSubtype << 16; /* virtual type */ + term->id = id; + term->name = d->iClockSource; + return 0; + } default: return -ENODEV; } @@ -709,16 +702,20 @@ struct usb_feature_control_info { }; static struct usb_feature_control_info audio_feature_info[] = { - { "Mute", USB_MIXER_INV_BOOLEAN }, - { "Volume", USB_MIXER_S16 }, + { "Mute", USB_MIXER_INV_BOOLEAN }, + { "Volume", USB_MIXER_S16 }, { "Tone Control - Bass", USB_MIXER_S8 }, { "Tone Control - Mid", USB_MIXER_S8 }, { "Tone Control - Treble", USB_MIXER_S8 }, { "Graphic Equalizer", USB_MIXER_S8 }, /* FIXME: not implemeted yet */ - { "Auto Gain Control", USB_MIXER_BOOLEAN }, - { "Delay Control", USB_MIXER_U16 }, - { "Bass Boost", USB_MIXER_BOOLEAN }, - { "Loudness", USB_MIXER_BOOLEAN }, + { "Auto Gain Control", USB_MIXER_BOOLEAN }, + { "Delay Control", USB_MIXER_U16 }, + { "Bass Boost", USB_MIXER_BOOLEAN }, + { "Loudness", USB_MIXER_BOOLEAN }, + /* UAC2 specific */ + { "Input Gain Control", USB_MIXER_U16 }, + { "Input Gain Pad Control", USB_MIXER_BOOLEAN }, + { "Phase Inverter Control", USB_MIXER_BOOLEAN }, }; @@ -958,7 +955,7 @@ static size_t append_ctl_name(struct snd_kcontrol *kctl, const char *str) static void build_feature_ctl(struct mixer_build *state, void *raw_desc, unsigned int ctl_mask, int control, struct usb_audio_term *iterm, int unitid, - int read_only) + int readonly_mask) { struct uac_feature_unit_descriptor *desc = raw_desc; unsigned int len = 0; @@ -970,7 +967,7 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc, control++; /* change from zero-based to 1-based value */ - if (control == UAC_GRAPHIC_EQUALIZER_CONTROL) { + if (control == UAC_FU_GRAPHIC_EQUALIZER) { /* FIXME: not supported yet */ return; } @@ -989,20 +986,25 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc, cval->control = control; cval->cmask = ctl_mask; cval->val_type = audio_feature_info[control-1].type; - if (ctl_mask == 0) + if (ctl_mask == 0) { cval->channels = 1; /* master channel */ - else { + cval->master_readonly = readonly_mask; + } else { int i, c = 0; for (i = 0; i < 16; i++) if (ctl_mask & (1 << i)) c++; cval->channels = c; + cval->ch_readonly = readonly_mask; } /* get min/max values */ get_min_max(cval, 0); - if (read_only) + /* if all channels in the mask are marked read-only, make the control + * read-only. set_cur_mix_value() will check the mask again and won't + * issue write commands to read-only channels. */ + if (cval->channels == readonly_mask) kctl = snd_ctl_new1(&usb_feature_unit_ctl_ro, cval); else kctl = snd_ctl_new1(&usb_feature_unit_ctl, cval); @@ -1021,8 +1023,8 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc, kctl->id.name, sizeof(kctl->id.name)); switch (control) { - case UAC_MUTE_CONTROL: - case UAC_VOLUME_CONTROL: + case UAC_FU_MUTE: + case UAC_FU_VOLUME: /* determine the control name. the rule is: * - if a name id is given in descriptor, use it. * - if the connected input can be determined, then use the name @@ -1049,9 +1051,9 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc, len = append_ctl_name(kctl, " Playback"); } } - append_ctl_name(kctl, control == UAC_MUTE_CONTROL ? + append_ctl_name(kctl, control == UAC_FU_MUTE ? " Switch" : " Volume"); - if (control == UAC_VOLUME_CONTROL) { + if (control == UAC_FU_VOLUME) { kctl->tlv.c = mixer_vol_tlv; kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ | @@ -1150,7 +1152,7 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid, void snd_printk(KERN_INFO "usbmixer: master volume quirk for PCM2702 chip\n"); /* disable non-functional volume control */ - master_bits &= ~UAC_FU_VOLUME; + master_bits &= ~UAC_CONTROL_BIT(UAC_FU_VOLUME); break; } if (channels > 0) @@ -1188,19 +1190,22 @@ static int parse_audio_feature_unit(struct mixer_build *state, int unitid, void for (j = 0; j < channels; j++) { unsigned int mask = snd_usb_combine_bytes(bmaControls + csize * (j+1), csize); - if (mask & (1 << (i * 2))) { + if (uac2_control_is_readable(mask, i)) { ch_bits |= (1 << j); - if (~mask & (1 << ((i * 2) + 1))) + if (!uac2_control_is_writeable(mask, i)) ch_read_only |= (1 << j); } } - /* FIXME: the whole unit is read-only if any of the channels is marked read-only */ + /* NOTE: build_feature_ctl() will mark the control read-only if all channels + * are marked read-only in the descriptors. Otherwise, the control will be + * reported as writeable, but the driver will not actually issue a write + * command for read-only channels */ if (ch_bits & 1) /* the first channel must be set (for ease of programming) */ - build_feature_ctl(state, _ftr, ch_bits, i, &iterm, unitid, !!ch_read_only); - if (master_bits & (1 << i * 2)) + build_feature_ctl(state, _ftr, ch_bits, i, &iterm, unitid, ch_read_only); + if (uac2_control_is_readable(master_bits, i)) build_feature_ctl(state, _ftr, 0, i, &iterm, unitid, - ~master_bits & (1 << ((i * 2) + 1))); + !uac2_control_is_writeable(master_bits, i)); } } @@ -1392,51 +1397,51 @@ struct procunit_info { }; static struct procunit_value_info updown_proc_info[] = { - { USB_PROC_UPDOWN_SWITCH, "Switch", USB_MIXER_BOOLEAN }, - { USB_PROC_UPDOWN_MODE_SEL, "Mode Select", USB_MIXER_U8, 1 }, + { UAC_UD_ENABLE, "Switch", USB_MIXER_BOOLEAN }, + { UAC_UD_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, { 0 } }; static struct procunit_value_info prologic_proc_info[] = { - { USB_PROC_PROLOGIC_SWITCH, "Switch", USB_MIXER_BOOLEAN }, - { USB_PROC_PROLOGIC_MODE_SEL, "Mode Select", USB_MIXER_U8, 1 }, + { UAC_DP_ENABLE, "Switch", USB_MIXER_BOOLEAN }, + { UAC_DP_MODE_SELECT, "Mode Select", USB_MIXER_U8, 1 }, { 0 } }; static struct procunit_value_info threed_enh_proc_info[] = { - { USB_PROC_3DENH_SWITCH, "Switch", USB_MIXER_BOOLEAN }, - { USB_PROC_3DENH_SPACE, "Spaciousness", USB_MIXER_U8 }, + { UAC_3D_ENABLE, "Switch", USB_MIXER_BOOLEAN }, + { UAC_3D_SPACE, "Spaciousness", USB_MIXER_U8 }, { 0 } }; static struct procunit_value_info reverb_proc_info[] = { - { USB_PROC_REVERB_SWITCH, "Switch", USB_MIXER_BOOLEAN }, - { USB_PROC_REVERB_LEVEL, "Level", USB_MIXER_U8 }, - { USB_PROC_REVERB_TIME, "Time", USB_MIXER_U16 }, - { USB_PROC_REVERB_DELAY, "Delay", USB_MIXER_U8 }, + { UAC_REVERB_ENABLE, "Switch", USB_MIXER_BOOLEAN }, + { UAC_REVERB_LEVEL, "Level", USB_MIXER_U8 }, + { UAC_REVERB_TIME, "Time", USB_MIXER_U16 }, + { UAC_REVERB_FEEDBACK, "Feedback", USB_MIXER_U8 }, { 0 } }; static struct procunit_value_info chorus_proc_info[] = { - { USB_PROC_CHORUS_SWITCH, "Switch", USB_MIXER_BOOLEAN }, - { USB_PROC_CHORUS_LEVEL, "Level", USB_MIXER_U8 }, - { USB_PROC_CHORUS_RATE, "Rate", USB_MIXER_U16 }, - { USB_PROC_CHORUS_DEPTH, "Depth", USB_MIXER_U16 }, + { UAC_CHORUS_ENABLE, "Switch", USB_MIXER_BOOLEAN }, + { UAC_CHORUS_LEVEL, "Level", USB_MIXER_U8 }, + { UAC_CHORUS_RATE, "Rate", USB_MIXER_U16 }, + { UAC_CHORUS_DEPTH, "Depth", USB_MIXER_U16 }, { 0 } }; static struct procunit_value_info dcr_proc_info[] = { - { USB_PROC_DCR_SWITCH, "Switch", USB_MIXER_BOOLEAN }, - { USB_PROC_DCR_RATIO, "Ratio", USB_MIXER_U16 }, - { USB_PROC_DCR_MAX_AMP, "Max Amp", USB_MIXER_S16 }, - { USB_PROC_DCR_THRESHOLD, "Threshold", USB_MIXER_S16 }, - { USB_PROC_DCR_ATTACK, "Attack Time", USB_MIXER_U16 }, - { USB_PROC_DCR_RELEASE, "Release Time", USB_MIXER_U16 }, + { UAC_DCR_ENABLE, "Switch", USB_MIXER_BOOLEAN }, + { UAC_DCR_RATE, "Ratio", USB_MIXER_U16 }, + { UAC_DCR_MAXAMPL, "Max Amp", USB_MIXER_S16 }, + { UAC_DCR_THRESHOLD, "Threshold", USB_MIXER_S16 }, + { UAC_DCR_ATTACK_TIME, "Attack Time", USB_MIXER_U16 }, + { UAC_DCR_RELEASE_TIME, "Release Time", USB_MIXER_U16 }, { 0 } }; static struct procunit_info procunits[] = { - { USB_PROC_UPDOWN, "Up Down", updown_proc_info }, - { USB_PROC_PROLOGIC, "Dolby Prologic", prologic_proc_info }, - { USB_PROC_3DENH, "3D Stereo Extender", threed_enh_proc_info }, - { USB_PROC_REVERB, "Reverb", reverb_proc_info }, - { USB_PROC_CHORUS, "Chorus", chorus_proc_info }, - { USB_PROC_DCR, "DCR", dcr_proc_info }, + { UAC_PROCESS_UP_DOWNMIX, "Up Down", updown_proc_info }, + { UAC_PROCESS_DOLBY_PROLOGIC, "Dolby Prologic", prologic_proc_info }, + { UAC_PROCESS_STEREO_EXTENDER, "3D Stereo Extender", threed_enh_proc_info }, + { UAC_PROCESS_REVERB, "Reverb", reverb_proc_info }, + { UAC_PROCESS_CHORUS, "Chorus", chorus_proc_info }, + { UAC_PROCESS_DYN_RANGE_COMP, "DCR", dcr_proc_info }, { 0 }, }; /* @@ -1524,7 +1529,7 @@ static int build_audio_procunit(struct mixer_build *state, int unitid, void *raw cval->channels = 1; /* get min/max values */ - if (type == USB_PROC_UPDOWN && cval->control == USB_PROC_UPDOWN_MODE_SEL) { + if (type == UAC_PROCESS_UP_DOWNMIX && cval->control == UAC_UD_MODE_SELECT) { __u8 *control_spec = uac_processing_unit_specific(desc, state->mixer->protocol); /* FIXME: hard-coded */ cval->min = 1; @@ -1619,7 +1624,7 @@ static int mixer_ctl_selector_get(struct snd_kcontrol *kcontrol, struct snd_ctl_ struct usb_mixer_elem_info *cval = kcontrol->private_data; int val, err; - err = get_cur_ctl_value(cval, 0, &val); + err = get_cur_ctl_value(cval, cval->control << 8, &val); if (err < 0) { if (cval->mixer->ignore_ctl_error) { ucontrol->value.enumerated.item[0] = 0; @@ -1638,7 +1643,7 @@ static int mixer_ctl_selector_put(struct snd_kcontrol *kcontrol, struct snd_ctl_ struct usb_mixer_elem_info *cval = kcontrol->private_data; int val, oval, err; - err = get_cur_ctl_value(cval, 0, &oval); + err = get_cur_ctl_value(cval, cval->control << 8, &oval); if (err < 0) { if (cval->mixer->ignore_ctl_error) return 0; @@ -1647,7 +1652,7 @@ static int mixer_ctl_selector_put(struct snd_kcontrol *kcontrol, struct snd_ctl_ val = ucontrol->value.enumerated.item[0]; val = get_abs_value(cval, val); if (val != oval) { - set_cur_ctl_value(cval, 0, val); + set_cur_ctl_value(cval, cval->control << 8, val); return 1; } return 0; @@ -1729,6 +1734,11 @@ static int parse_audio_selector_unit(struct mixer_build *state, int unitid, void cval->res = 1; cval->initialized = 1; + if (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR) + cval->control = UAC2_CX_CLOCK_SELECTOR; + else + cval->control = 0; + namelist = kmalloc(sizeof(char *) * desc->bNrInPins, GFP_KERNEL); if (! namelist) { snd_printk(KERN_ERR "cannot malloc\n"); @@ -1778,7 +1788,9 @@ static int parse_audio_selector_unit(struct mixer_build *state, int unitid, void if (! len) strlcpy(kctl->id.name, "USB", sizeof(kctl->id.name)); - if ((state->oterm.type & 0xff00) == 0x0100) + if (desc->bDescriptorSubtype == UAC2_CLOCK_SELECTOR) + append_ctl_name(kctl, " Clock Source"); + else if ((state->oterm.type & 0xff00) == 0x0100) append_ctl_name(kctl, " Capture Source"); else append_ctl_name(kctl, " Playback Source"); @@ -1812,10 +1824,12 @@ static int parse_audio_unit(struct mixer_build *state, int unitid) switch (p1[2]) { case UAC_INPUT_TERMINAL: + case UAC2_CLOCK_SOURCE: return 0; /* NOP */ case UAC_MIXER_UNIT: return parse_audio_mixer_unit(state, unitid, p1); case UAC_SELECTOR_UNIT: + case UAC2_CLOCK_SELECTOR: return parse_audio_selector_unit(state, unitid, p1); case UAC_FEATURE_UNIT: return parse_audio_feature_unit(state, unitid, p1); @@ -1912,6 +1926,11 @@ static int snd_usb_mixer_controls(struct usb_mixer_interface *mixer) err = parse_audio_unit(&state, desc->bSourceID); if (err < 0) return err; + + /* for UAC2, use the same approach to also add the clock selectors */ + err = parse_audio_unit(&state, desc->bCSourceID); + if (err < 0) + return err; } } diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h index 130123854a6..a7cf1007fbb 100644 --- a/sound/usb/mixer.h +++ b/sound/usb/mixer.h @@ -34,6 +34,8 @@ struct usb_mixer_elem_info { unsigned int id; unsigned int control; /* CS or ICN (high byte) */ unsigned int cmask; /* channel mask bitmap: 0 = master */ + unsigned int ch_readonly; + unsigned int master_readonly; int channels; int val_type; int min, max, res; diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c index d93fc89beba..f1324c42383 100644 --- a/sound/usb/mixer_maps.c +++ b/sound/usb/mixer_maps.c @@ -85,8 +85,8 @@ static struct usbmix_name_map extigy_map[] = { /* 16: MU (w/o controls) */ { 17, NULL, 1 }, /* DISABLED: PU-switch (any effect?) */ { 17, "Channel Routing", 2 }, /* PU: mode select */ - { 18, "Tone Control - Bass", UAC_BASS_CONTROL }, /* FU */ - { 18, "Tone Control - Treble", UAC_TREBLE_CONTROL }, /* FU */ + { 18, "Tone Control - Bass", UAC_FU_BASS }, /* FU */ + { 18, "Tone Control - Treble", UAC_FU_TREBLE }, /* FU */ { 18, "Master Playback" }, /* FU; others */ /* 19: OT speaker */ /* 20: OT headphone */ diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 056587de7be..456829882f4 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -31,6 +31,7 @@ #include "urb.h" #include "helper.h" #include "pcm.h" +#include "clock.h" /* * return the current pcm pointer. just based on the hwptr_done value. @@ -181,103 +182,6 @@ int snd_usb_init_pitch(struct snd_usb_audio *chip, int iface, return -EINVAL; } -static int set_sample_rate_v1(struct snd_usb_audio *chip, int iface, - struct usb_host_interface *alts, - struct audioformat *fmt, int rate) -{ - struct usb_device *dev = chip->dev; - unsigned int ep; - unsigned char data[3]; - int err, crate; - - ep = get_endpoint(alts, 0)->bEndpointAddress; - /* if endpoint doesn't have sampling rate control, bail out */ - if (!(fmt->attributes & UAC_EP_CS_ATTR_SAMPLE_RATE)) { - snd_printk(KERN_WARNING "%d:%d:%d: endpoint lacks sample rate attribute bit, cannot set.\n", - dev->devnum, iface, fmt->altsetting); - return 0; - } - - data[0] = rate; - data[1] = rate >> 8; - data[2] = rate >> 16; - if ((err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR, - USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_OUT, - UAC_EP_CS_ATTR_SAMPLE_RATE << 8, ep, - data, sizeof(data), 1000)) < 0) { - snd_printk(KERN_ERR "%d:%d:%d: cannot set freq %d to ep %#x\n", - dev->devnum, iface, fmt->altsetting, rate, ep); - return err; - } - if ((err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC_GET_CUR, - USB_TYPE_CLASS|USB_RECIP_ENDPOINT|USB_DIR_IN, - UAC_EP_CS_ATTR_SAMPLE_RATE << 8, ep, - data, sizeof(data), 1000)) < 0) { - snd_printk(KERN_WARNING "%d:%d:%d: cannot get freq at ep %#x\n", - dev->devnum, iface, fmt->altsetting, ep); - return 0; /* some devices don't support reading */ - } - crate = data[0] | (data[1] << 8) | (data[2] << 16); - if (crate != rate) { - snd_printd(KERN_WARNING "current rate %d is different from the runtime rate %d\n", crate, rate); - // runtime->rate = crate; - } - - return 0; -} - -static int set_sample_rate_v2(struct snd_usb_audio *chip, int iface, - struct usb_host_interface *alts, - struct audioformat *fmt, int rate) -{ - struct usb_device *dev = chip->dev; - unsigned char data[4]; - int err, crate; - - data[0] = rate; - data[1] = rate >> 8; - data[2] = rate >> 16; - data[3] = rate >> 24; - if ((err = snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC2_CS_CUR, - USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_OUT, - UAC2_CS_CONTROL_SAM_FREQ << 8, chip->clock_id << 8, - data, sizeof(data), 1000)) < 0) { - snd_printk(KERN_ERR "%d:%d:%d: cannot set freq %d (v2)\n", - dev->devnum, iface, fmt->altsetting, rate); - return err; - } - if ((err = snd_usb_ctl_msg(dev, usb_rcvctrlpipe(dev, 0), UAC2_CS_CUR, - USB_TYPE_CLASS | USB_RECIP_INTERFACE | USB_DIR_IN, - UAC2_CS_CONTROL_SAM_FREQ << 8, chip->clock_id << 8, - data, sizeof(data), 1000)) < 0) { - snd_printk(KERN_WARNING "%d:%d:%d: cannot get freq (v2)\n", - dev->devnum, iface, fmt->altsetting); - return err; - } - crate = data[0] | (data[1] << 8) | (data[2] << 16) | (data[3] << 24); - if (crate != rate) - snd_printd(KERN_WARNING "current rate %d is different from the runtime rate %d\n", crate, rate); - - return 0; -} - -int snd_usb_init_sample_rate(struct snd_usb_audio *chip, int iface, - struct usb_host_interface *alts, - struct audioformat *fmt, int rate) -{ - struct usb_interface_descriptor *altsd = get_iface_desc(alts); - - switch (altsd->bInterfaceProtocol) { - case UAC_VERSION_1: - return set_sample_rate_v1(chip, iface, alts, fmt, rate); - - case UAC_VERSION_2: - return set_sample_rate_v2(chip, iface, alts, fmt, rate); - } - - return -EINVAL; -} - /* * find a matching format and set up the interface */ diff --git a/sound/usb/usbaudio.h b/sound/usb/usbaudio.h index 06ebf24d3a4..24d3319cc34 100644 --- a/sound/usb/usbaudio.h +++ b/sound/usb/usbaudio.h @@ -40,9 +40,6 @@ struct snd_usb_audio { int num_interfaces; int num_suspended_intf; - /* for audio class v2 */ - int clock_id; - struct list_head pcm_list; /* list of pcm streams */ int pcm_devs; @@ -53,6 +50,8 @@ struct snd_usb_audio { int setup; /* from the 'device_setup' module param */ int nrpacks; /* from the 'nrpacks' module param */ int async_unlink; /* from the 'async_unlink' module param */ + + struct usb_host_interface *ctrl_intf; /* the audio control interface */ }; /* |