diff options
author | Clemens Ladisch <clemens@ladisch.de> | 2005-05-02 08:51:26 +0200 |
---|---|---|
committer | Jaroslav Kysela <perex@suse.cz> | 2005-05-29 10:05:47 +0200 |
commit | 27d10f5664c7650af3b2ffadfefaf19b36dc7bd8 (patch) | |
tree | b89c8d639041f460557bf6e9078c7cee7426cd2b /sound/usb/usbaudio.c | |
parent | b259b10c420a59a2fdbcf5a3498253ebcbdffa1e (diff) | |
download | kernel_samsung_smdk4412-27d10f5664c7650af3b2ffadfefaf19b36dc7bd8.zip kernel_samsung_smdk4412-27d10f5664c7650af3b2ffadfefaf19b36dc7bd8.tar.gz kernel_samsung_smdk4412-27d10f5664c7650af3b2ffadfefaf19b36dc7bd8.tar.bz2 |
[ALSA] usb-audio - cache vendor/product IDs
USB generic driver
Cache the decoded values of idVendor/idProduct to get rid of most of
those ugly le16_to_cpu() calls.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Diffstat (limited to 'sound/usb/usbaudio.c')
-rw-r--r-- | sound/usb/usbaudio.c | 104 |
1 files changed, 50 insertions, 54 deletions
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c index eeb09bb..e759b73 100644 --- a/sound/usb/usbaudio.c +++ b/sound/usb/usbaudio.c @@ -2184,17 +2184,15 @@ static int add_audio_endpoint(snd_usb_audio_t *chip, int stream, struct audiofor /* * check if the device uses big-endian samples */ -static int is_big_endian_format(struct usb_device *dev, struct audioformat *fp) +static int is_big_endian_format(snd_usb_audio_t *chip, struct audioformat *fp) { - /* M-Audio */ - if (le16_to_cpu(dev->descriptor.idVendor) == 0x0763) { - /* Quattro: captured data only */ - if (le16_to_cpu(dev->descriptor.idProduct) == 0x2001 && - fp->endpoint & USB_DIR_IN) - return 1; - /* Audiophile USB */ - if (le16_to_cpu(dev->descriptor.idProduct) == 0x2003) + switch (chip->usb_id) { + case USB_ID(0x0763, 0x2001): /* M-Audio Quattro: captured data only */ + if (fp->endpoint & USB_DIR_IN) return 1; + break; + case USB_ID(0x0763, 0x2003): /* M-Audio Audiophile USB */ + return 1; } return 0; } @@ -2208,7 +2206,7 @@ static int is_big_endian_format(struct usb_device *dev, struct audioformat *fp) * @format: the format tag (wFormatTag) * @fmt: the format type descriptor */ -static int parse_audio_format_i_type(struct usb_device *dev, struct audioformat *fp, +static int parse_audio_format_i_type(snd_usb_audio_t *chip, struct audioformat *fp, int format, unsigned char *fmt) { int pcm_format; @@ -2221,12 +2219,12 @@ static int parse_audio_format_i_type(struct usb_device *dev, struct audioformat switch (format) { case 0: /* some devices don't define this correctly... */ snd_printdd(KERN_INFO "%d:%u:%d : format type 0 is detected, processed as PCM\n", - dev->devnum, fp->iface, fp->altsetting); + chip->dev->devnum, fp->iface, fp->altsetting); /* fall-through */ case USB_AUDIO_FORMAT_PCM: if (sample_width > sample_bytes * 8) { snd_printk(KERN_INFO "%d:%u:%d : sample bitwidth %d in over sample bytes %d\n", - dev->devnum, fp->iface, fp->altsetting, + chip->dev->devnum, fp->iface, fp->altsetting, sample_width, sample_bytes); } /* check the format byte size */ @@ -2235,13 +2233,13 @@ static int parse_audio_format_i_type(struct usb_device *dev, struct audioformat pcm_format = SNDRV_PCM_FORMAT_S8; break; case 2: - if (is_big_endian_format(dev, fp)) + if (is_big_endian_format(chip, fp)) pcm_format = SNDRV_PCM_FORMAT_S16_BE; /* grrr, big endian!! */ else pcm_format = SNDRV_PCM_FORMAT_S16_LE; break; case 3: - if (is_big_endian_format(dev, fp)) + if (is_big_endian_format(chip, fp)) pcm_format = SNDRV_PCM_FORMAT_S24_3BE; /* grrr, big endian!! */ else pcm_format = SNDRV_PCM_FORMAT_S24_3LE; @@ -2251,14 +2249,14 @@ static int parse_audio_format_i_type(struct usb_device *dev, struct audioformat break; default: snd_printk(KERN_INFO "%d:%u:%d : unsupported sample bitwidth %d in %d bytes\n", - dev->devnum, fp->iface, fp->altsetting, sample_width, sample_bytes); + chip->dev->devnum, fp->iface, + fp->altsetting, sample_width, sample_bytes); break; } break; case USB_AUDIO_FORMAT_PCM8: /* Dallas DS4201 workaround */ - if (le16_to_cpu(dev->descriptor.idVendor) == 0x04fa && - le16_to_cpu(dev->descriptor.idProduct) == 0x4201) + if (chip->usb_id == USB_ID(0x04fa, 0x4201)) pcm_format = SNDRV_PCM_FORMAT_S8; else pcm_format = SNDRV_PCM_FORMAT_U8; @@ -2274,7 +2272,7 @@ static int parse_audio_format_i_type(struct usb_device *dev, struct audioformat break; default: snd_printk(KERN_INFO "%d:%u:%d : unsupported format type %d\n", - dev->devnum, fp->iface, fp->altsetting, format); + chip->dev->devnum, fp->iface, fp->altsetting, format); break; } return pcm_format; @@ -2291,13 +2289,13 @@ static int parse_audio_format_i_type(struct usb_device *dev, struct audioformat * @offset: the start offset of descriptor pointing the rate type * (7 for type I and II, 8 for type II) */ -static int parse_audio_format_rates(struct usb_device *dev, struct audioformat *fp, +static int parse_audio_format_rates(snd_usb_audio_t *chip, struct audioformat *fp, unsigned char *fmt, int offset) { int nr_rates = fmt[offset]; if (fmt[0] < offset + 1 + 3 * (nr_rates ? nr_rates : 2)) { snd_printk(KERN_ERR "%d:%u:%d : invalid FORMAT_TYPE desc\n", - dev->devnum, fp->iface, fp->altsetting); + chip->dev->devnum, fp->iface, fp->altsetting); return -1; } @@ -2344,7 +2342,7 @@ static int parse_audio_format_rates(struct usb_device *dev, struct audioformat * /* * parse the format type I and III descriptors */ -static int parse_audio_format_i(struct usb_device *dev, struct audioformat *fp, +static int parse_audio_format_i(snd_usb_audio_t *chip, struct audioformat *fp, int format, unsigned char *fmt) { int pcm_format; @@ -2356,7 +2354,7 @@ static int parse_audio_format_i(struct usb_device *dev, struct audioformat *fp, */ pcm_format = SNDRV_PCM_FORMAT_S16_LE; } else { - pcm_format = parse_audio_format_i_type(dev, fp, format, fmt); + pcm_format = parse_audio_format_i_type(chip, fp, format, fmt); if (pcm_format < 0) return -1; } @@ -2364,16 +2362,16 @@ static int parse_audio_format_i(struct usb_device *dev, struct audioformat *fp, fp->channels = fmt[4]; if (fp->channels < 1) { snd_printk(KERN_ERR "%d:%u:%d : invalid channels %d\n", - dev->devnum, fp->iface, fp->altsetting, fp->channels); + chip->dev->devnum, fp->iface, fp->altsetting, fp->channels); return -1; } - return parse_audio_format_rates(dev, fp, fmt, 7); + return parse_audio_format_rates(chip, fp, fmt, 7); } /* * prase the format type II descriptor */ -static int parse_audio_format_ii(struct usb_device *dev, struct audioformat *fp, +static int parse_audio_format_ii(snd_usb_audio_t *chip, struct audioformat *fp, int format, unsigned char *fmt) { int brate, framesize; @@ -2388,7 +2386,7 @@ static int parse_audio_format_ii(struct usb_device *dev, struct audioformat *fp, break; default: snd_printd(KERN_INFO "%d:%u:%d : unknown format tag 0x%x is detected. processed as MPEG.\n", - dev->devnum, fp->iface, fp->altsetting, format); + chip->dev->devnum, fp->iface, fp->altsetting, format); fp->format = SNDRV_PCM_FORMAT_MPEG; break; } @@ -2397,10 +2395,10 @@ static int parse_audio_format_ii(struct usb_device *dev, struct audioformat *fp, framesize = combine_word(&fmt[6]); /* fmt[6,7]: wSamplesPerFrame */ snd_printd(KERN_INFO "found format II with max.bitrate = %d, frame size=%d\n", brate, framesize); fp->frame_size = framesize; - return parse_audio_format_rates(dev, fp, fmt, 8); /* fmt[8..] sample rates */ + return parse_audio_format_rates(chip, fp, fmt, 8); /* fmt[8..] sample rates */ } -static int parse_audio_format(struct usb_device *dev, struct audioformat *fp, +static int parse_audio_format(snd_usb_audio_t *chip, struct audioformat *fp, int format, unsigned char *fmt, int stream) { int err; @@ -2408,14 +2406,14 @@ static int parse_audio_format(struct usb_device *dev, struct audioformat *fp, switch (fmt[3]) { case USB_FORMAT_TYPE_I: case USB_FORMAT_TYPE_III: - err = parse_audio_format_i(dev, fp, format, fmt); + err = parse_audio_format_i(chip, fp, format, fmt); break; case USB_FORMAT_TYPE_II: - err = parse_audio_format_ii(dev, fp, format, fmt); + err = parse_audio_format_ii(chip, fp, format, fmt); break; default: snd_printd(KERN_INFO "%d:%u:%d : format type %d is not supported yet\n", - dev->devnum, fp->iface, fp->altsetting, fmt[3]); + chip->dev->devnum, fp->iface, fp->altsetting, fmt[3]); return -1; } fp->fmt_type = fmt[3]; @@ -2426,9 +2424,8 @@ static int parse_audio_format(struct usb_device *dev, struct audioformat *fp, /* extigy apparently supports sample rates other than 48k * but not in ordinary way. so we enable only 48k atm. */ - if (le16_to_cpu(dev->descriptor.idVendor) == 0x041e && - (le16_to_cpu(dev->descriptor.idProduct) == 0x3000 || - le16_to_cpu(dev->descriptor.idProduct) == 0x3020)) { + if (chip->usb_id == USB_ID(0x041e, 0x3000) || + chip->usb_id == USB_ID(0x041e, 0x3020)) { if (fmt[3] == USB_FORMAT_TYPE_I && stream == SNDRV_PCM_STREAM_PLAYBACK && fp->rates != SNDRV_PCM_RATE_48000 && @@ -2532,8 +2529,7 @@ static int parse_audio_endpoints(snd_usb_audio_t *chip, int iface_no) /* some quirks for attributes here */ /* workaround for AudioTrak Optoplay */ - if (le16_to_cpu(dev->descriptor.idVendor) == 0x0a92 && - le16_to_cpu(dev->descriptor.idProduct) == 0x0053) { + if (chip->usb_id == USB_ID(0x0a92, 0x0053)) { /* Optoplay sets the sample rate attribute although * it seems not supporting it in fact. */ @@ -2541,8 +2537,7 @@ static int parse_audio_endpoints(snd_usb_audio_t *chip, int iface_no) } /* workaround for M-Audio Audiophile USB */ - if (le16_to_cpu(dev->descriptor.idVendor) == 0x0763 && - le16_to_cpu(dev->descriptor.idProduct) == 0x2003) { + if (chip->usb_id == USB_ID(0x0763, 0x2003)) { /* doesn't set the sample rate attribute, but supports it */ fp->attributes |= EP_CS_ATTR_SAMPLE_RATE; } @@ -2551,11 +2546,9 @@ static int parse_audio_endpoints(snd_usb_audio_t *chip, int iface_no) * plantronics headset and Griffin iMic have set adaptive-in * although it's really not... */ - if ((le16_to_cpu(dev->descriptor.idVendor) == 0x047f && - le16_to_cpu(dev->descriptor.idProduct) == 0x0ca1) || + if (chip->usb_id == USB_ID(0x047f, 0x0ca1) || /* Griffin iMic (note that there is an older model 77d:223) */ - (le16_to_cpu(dev->descriptor.idVendor) == 0x077d && - le16_to_cpu(dev->descriptor.idProduct) == 0x07af)) { + chip->usb_id == USB_ID(0x077d, 0x07af)) { fp->ep_attr &= ~EP_ATTR_MASK; if (stream == SNDRV_PCM_STREAM_PLAYBACK) fp->ep_attr |= EP_ATTR_ADAPTIVE; @@ -2564,7 +2557,7 @@ static int parse_audio_endpoints(snd_usb_audio_t *chip, int iface_no) } /* ok, let's parse further... */ - if (parse_audio_format(dev, fp, format, fmt, stream) < 0) { + if (parse_audio_format(chip, fp, format, fmt, stream) < 0) { kfree(fp->rate_table); kfree(fp); continue; @@ -2799,7 +2792,7 @@ static int create_ua700_ua25_quirk(snd_usb_audio_t *chip, .type = QUIRK_MIDI_FIXED_ENDPOINT, .data = &ua25_ep }; - if (le16_to_cpu(chip->dev->descriptor.idProduct) == 0x002b) + if (chip->usb_id == USB_ID(0x0582, 0x002b)) return snd_usb_create_midi_interface(chip, iface, &ua700_quirk); else @@ -3018,8 +3011,8 @@ static void proc_audio_usbid_read(snd_info_entry_t *entry, snd_info_buffer_t *bu snd_usb_audio_t *chip = entry->private_data; if (! chip->shutdown) snd_iprintf(buffer, "%04x:%04x\n", - le16_to_cpu(chip->dev->descriptor.idVendor), - le16_to_cpu(chip->dev->descriptor.idProduct)); + USB_ID_VENDOR(chip->usb_id), + USB_ID_PRODUCT(chip->usb_id)); } static void snd_usb_audio_create_proc(snd_usb_audio_t *chip) @@ -3089,6 +3082,8 @@ static int snd_usb_audio_create(struct usb_device *dev, int idx, chip->index = idx; chip->dev = dev; chip->card = card; + chip->usb_id = USB_ID(le16_to_cpu(dev->descriptor.idVendor), + le16_to_cpu(dev->descriptor.idProduct)); INIT_LIST_HEAD(&chip->pcm_list); INIT_LIST_HEAD(&chip->midi_list); INIT_LIST_HEAD(&chip->mixer_list); @@ -3101,8 +3096,7 @@ static int snd_usb_audio_create(struct usb_device *dev, int idx, strcpy(card->driver, "USB-Audio"); sprintf(component, "USB%04x:%04x", - le16_to_cpu(dev->descriptor.idVendor), - le16_to_cpu(dev->descriptor.idProduct)); + USB_ID_VENDOR(chip->usb_id), USB_ID_PRODUCT(chip->usb_id)); snd_component_add(card, component); /* retrieve the device string as shortname */ @@ -3114,8 +3108,8 @@ static int snd_usb_audio_create(struct usb_device *dev, int idx, card->shortname, sizeof(card->shortname)) <= 0) { /* no name available from anywhere, so use ID */ sprintf(card->shortname, "USB Device %#04x:%#04x", - le16_to_cpu(dev->descriptor.idVendor), - le16_to_cpu(dev->descriptor.idProduct)); + USB_ID_VENDOR(chip->usb_id), + USB_ID_PRODUCT(chip->usb_id)); } } @@ -3173,17 +3167,19 @@ static void *snd_usb_audio_probe(struct usb_device *dev, snd_usb_audio_t *chip; struct usb_host_interface *alts; int ifnum; + u32 id; alts = &intf->altsetting[0]; ifnum = get_iface_desc(alts)->bInterfaceNumber; + id = USB_ID(le16_to_cpu(dev->descriptor.idVendor), + le16_to_cpu(dev->descriptor.idProduct)); if (quirk && quirk->ifnum >= 0 && ifnum != quirk->ifnum) goto __err_val; /* SB Extigy needs special boot-up sequence */ /* if more models come, this will go to the quirk list. */ - if (le16_to_cpu(dev->descriptor.idVendor) == 0x041e && - le16_to_cpu(dev->descriptor.idProduct) == 0x3000) { + if (id == USB_ID(0x041e, 0x3000)) { if (snd_usb_extigy_boot_quirk(dev, intf) < 0) goto __err_val; config = dev->actconfig; @@ -3217,8 +3213,8 @@ static void *snd_usb_audio_probe(struct usb_device *dev, } for (i = 0; i < SNDRV_CARDS; i++) if (enable[i] && ! usb_chip[i] && - (vid[i] == -1 || vid[i] == le16_to_cpu(dev->descriptor.idVendor)) && - (pid[i] == -1 || pid[i] == le16_to_cpu(dev->descriptor.idProduct))) { + (vid[i] == -1 || vid[i] == USB_ID_VENDOR(id)) && + (pid[i] == -1 || pid[i] == USB_ID_PRODUCT(id))) { if (snd_usb_audio_create(dev, i, quirk, &chip) < 0) { goto __error; } |