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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 18:47:46 +0300 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-12-08 18:47:46 +0300 |
commit | a421018e8c10e5593a1fee076af72a66c3fe8ca3 (patch) | |
tree | 2854511845d0e07d33726a13eda6de1059a5c9df /sound/pci/oxygen/xonar_hdmi.c | |
parent | 3ad1f3b35e8309ec93454dbf89beaafcdb5312da (diff) | |
parent | 86e1d57e4f24ca27ce813bdc2afaac4adafcbaf4 (diff) | |
download | linux-a421018e8c10e5593a1fee076af72a66c3fe8ca3.tar.xz |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (294 commits)
S3C64XX: Staticise platform data for PCM devices
ASoC: Rename controls with a / in wm_hubs
snd-fm801: autodetect SF64-PCR (tuner-only) card
ALSA: tea575x-tuner: fix mute
ASoC: au1x: dbdma2: plug memleak in pcm device creation error path
ASoC: au1x: dbdma2: fix oops on soc device removal.
ALSA: hda - Fix memory leaks in the previous patch
ALSA: hda - Add ALC661/259, ALC892/888VD support
ALSA: opti9xx: remove snd_opti9xx fields
ALSA: aaci - Clean up duplicate code
ALSA: usb - Fix mixer map for Hercules Gamesurround Muse Pocket LT
ALSA: hda - Add position_fix quirk for HP dv3
ALSA: hda - Add a pin-fix for FSC Amilo Pi1505
ALSA: hda - Fix Cxt5047 test mode
ASoC: pxa/raumfeld: adopt new snd_soc_dai_set_pll() API
ASoC: sh: fsi: Add runtime PM support
sh: ms7724se: Add runtime PM support for FSI
ALSA: hda - Add a position_fix quirk for MSI Wind U115
ALSA: opti-miro: add PnP detection
ALSA: opti-miro: separate comon probing code
...
Diffstat (limited to 'sound/pci/oxygen/xonar_hdmi.c')
-rw-r--r-- | sound/pci/oxygen/xonar_hdmi.c | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/sound/pci/oxygen/xonar_hdmi.c b/sound/pci/oxygen/xonar_hdmi.c new file mode 100644 index 000000000000..b12db1f1cea9 --- /dev/null +++ b/sound/pci/oxygen/xonar_hdmi.c @@ -0,0 +1,128 @@ +/* + * helper functions for HDMI models (Xonar HDAV1.3) + * + * Copyright (c) Clemens Ladisch <clemens@ladisch.de> + * + * + * This driver is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License, version 2. + * + * This driver 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 driver; if not, see <http://www.gnu.org/licenses/>. + */ + +#include <linux/pci.h> +#include <linux/delay.h> +#include <sound/asoundef.h> +#include <sound/control.h> +#include <sound/core.h> +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/tlv.h> +#include "xonar.h" + +static void hdmi_write_command(struct oxygen *chip, u8 command, + unsigned int count, const u8 *params) +{ + unsigned int i; + u8 checksum; + + oxygen_write_uart(chip, 0xfb); + oxygen_write_uart(chip, 0xef); + oxygen_write_uart(chip, command); + oxygen_write_uart(chip, count); + for (i = 0; i < count; ++i) + oxygen_write_uart(chip, params[i]); + checksum = 0xfb + 0xef + command + count; + for (i = 0; i < count; ++i) + checksum += params[i]; + oxygen_write_uart(chip, checksum); +} + +static void xonar_hdmi_init_commands(struct oxygen *chip, + struct xonar_hdmi *hdmi) +{ + u8 param; + + oxygen_reset_uart(chip); + param = 0; + hdmi_write_command(chip, 0x61, 1, ¶m); + param = 1; + hdmi_write_command(chip, 0x74, 1, ¶m); + hdmi_write_command(chip, 0x54, 5, hdmi->params); +} + +void xonar_hdmi_init(struct oxygen *chip, struct xonar_hdmi *hdmi) +{ + hdmi->params[1] = IEC958_AES3_CON_FS_48000; + hdmi->params[4] = 1; + xonar_hdmi_init_commands(chip, hdmi); +} + +void xonar_hdmi_cleanup(struct oxygen *chip) +{ + u8 param = 0; + + hdmi_write_command(chip, 0x74, 1, ¶m); +} + +void xonar_hdmi_resume(struct oxygen *chip, struct xonar_hdmi *hdmi) +{ + xonar_hdmi_init_commands(chip, hdmi); +} + +void xonar_hdmi_pcm_hardware_filter(unsigned int channel, + struct snd_pcm_hardware *hardware) +{ + if (channel == PCM_MULTICH) { + hardware->rates = SNDRV_PCM_RATE_44100 | + SNDRV_PCM_RATE_48000 | + SNDRV_PCM_RATE_96000 | + SNDRV_PCM_RATE_192000; + hardware->rate_min = 44100; + } +} + +void xonar_set_hdmi_params(struct oxygen *chip, struct xonar_hdmi *hdmi, + struct snd_pcm_hw_params *params) +{ + hdmi->params[0] = 0; /* 1 = non-audio */ + switch (params_rate(params)) { + case 44100: + hdmi->params[1] = IEC958_AES3_CON_FS_44100; + break; + case 48000: + hdmi->params[1] = IEC958_AES3_CON_FS_48000; + break; + default: /* 96000 */ + hdmi->params[1] = IEC958_AES3_CON_FS_96000; + break; + case 192000: + hdmi->params[1] = IEC958_AES3_CON_FS_192000; + break; + } + hdmi->params[2] = params_channels(params) / 2 - 1; + if (params_format(params) == SNDRV_PCM_FORMAT_S16_LE) + hdmi->params[3] = 0; + else + hdmi->params[3] = 0xc0; + hdmi->params[4] = 1; /* ? */ + hdmi_write_command(chip, 0x54, 5, hdmi->params); +} + +void xonar_hdmi_uart_input(struct oxygen *chip) +{ + if (chip->uart_input_count >= 2 && + chip->uart_input[chip->uart_input_count - 2] == 'O' && + chip->uart_input[chip->uart_input_count - 1] == 'K') { + printk(KERN_DEBUG "message from HDMI chip received:\n"); + print_hex_dump_bytes("", DUMP_PREFIX_OFFSET, + chip->uart_input, chip->uart_input_count); + chip->uart_input_count = 0; + } +} |