[ALSA] Add PCXHR driver
Modules: Documentation,PCI drivers,Digigram PCXHR driver
Add Digigram PCXHR driver.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/pcxhr/pcxhr_mixer.c b/sound/pci/pcxhr/pcxhr_mixer.c
new file mode 100644
index 0000000..760e733
--- /dev/null
+++ b/sound/pci/pcxhr/pcxhr_mixer.c
@@ -0,0 +1,1020 @@
+#define __NO_VERSION__
+/*
+ * Driver for Digigram pcxhr compatible soundcards
+ *
+ * mixer callbacks
+ *
+ * Copyright (c) 2004 by Digigram <alsa@digigram.com>
+ *
+ * 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 <sound/driver.h>
+#include <linux/time.h>
+#include <linux/interrupt.h>
+#include <linux/init.h>
+#include <sound/core.h>
+#include "pcxhr.h"
+#include "pcxhr_hwdep.h"
+#include "pcxhr_core.h"
+#include <sound/control.h>
+#include <sound/asoundef.h>
+#include "pcxhr_mixer.h"
+
+
+#define PCXHR_ANALOG_CAPTURE_LEVEL_MIN 0 /* -96.0 dB */
+#define PCXHR_ANALOG_CAPTURE_LEVEL_MAX 255 /* +31.5 dB */
+#define PCXHR_ANALOG_CAPTURE_ZERO_LEVEL 224 /* +16.0 dB ( +31.5 dB - fix level +15.5 dB ) */
+
+#define PCXHR_ANALOG_PLAYBACK_LEVEL_MIN 0 /* -128.0 dB */
+#define PCXHR_ANALOG_PLAYBACK_LEVEL_MAX 128 /* 0.0 dB */
+#define PCXHR_ANALOG_PLAYBACK_ZERO_LEVEL 104 /* -24.0 dB ( 0.0 dB - fix level +24.0 dB ) */
+
+static int pcxhr_update_analog_audio_level(struct snd_pcxhr *chip, int is_capture, int channel)
+{
+ int err, vol;
+ struct pcxhr_rmh rmh;
+
+ pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
+ if (is_capture) {
+ rmh.cmd[0] |= IO_NUM_REG_IN_ANA_LEVEL;
+ rmh.cmd[2] = chip->analog_capture_volume[channel];
+ } else {
+ rmh.cmd[0] |= IO_NUM_REG_OUT_ANA_LEVEL;
+ if (chip->analog_playback_active[channel])
+ vol = chip->analog_playback_volume[channel];
+ else
+ vol = PCXHR_ANALOG_PLAYBACK_LEVEL_MIN;
+ rmh.cmd[2] = PCXHR_ANALOG_PLAYBACK_LEVEL_MAX - vol; /* playback analog levels are inversed */
+ }
+ rmh.cmd[1] = 1 << ((2 * chip->chip_idx) + channel); /* audio mask */
+ rmh.cmd_len = 3;
+ err = pcxhr_send_msg(chip->mgr, &rmh);
+ if (err < 0) {
+ snd_printk(KERN_DEBUG "error update_analog_audio_level card(%d) "
+ "is_capture(%d) err(%x)\n", chip->chip_idx, is_capture, err);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+/*
+ * analog level control
+ */
+static int pcxhr_analog_vol_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 2;
+ if (kcontrol->private_value == 0) { /* playback */
+ uinfo->value.integer.min = PCXHR_ANALOG_PLAYBACK_LEVEL_MIN; /* -128 dB */
+ uinfo->value.integer.max = PCXHR_ANALOG_PLAYBACK_LEVEL_MAX; /* 0 dB */
+ } else { /* capture */
+ uinfo->value.integer.min = PCXHR_ANALOG_CAPTURE_LEVEL_MIN; /* -96 dB */
+ uinfo->value.integer.max = PCXHR_ANALOG_CAPTURE_LEVEL_MAX; /* 31.5 dB */
+ }
+ return 0;
+}
+
+static int pcxhr_analog_vol_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
+ down(&chip->mgr->mixer_mutex);
+ if (kcontrol->private_value == 0) { /* playback */
+ ucontrol->value.integer.value[0] = chip->analog_playback_volume[0];
+ ucontrol->value.integer.value[1] = chip->analog_playback_volume[1];
+ } else { /* capture */
+ ucontrol->value.integer.value[0] = chip->analog_capture_volume[0];
+ ucontrol->value.integer.value[1] = chip->analog_capture_volume[1];
+ }
+ up(&chip->mgr->mixer_mutex);
+ return 0;
+}
+
+static int pcxhr_analog_vol_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
+ int changed = 0;
+ int is_capture, i;
+
+ down(&chip->mgr->mixer_mutex);
+ is_capture = (kcontrol->private_value != 0);
+ for (i = 0; i < 2; i++) {
+ int new_volume = ucontrol->value.integer.value[i];
+ int* stored_volume = is_capture ? &chip->analog_capture_volume[i] :
+ &chip->analog_playback_volume[i];
+ if (*stored_volume != new_volume) {
+ *stored_volume = new_volume;
+ changed = 1;
+ pcxhr_update_analog_audio_level(chip, is_capture, i);
+ }
+ }
+ up(&chip->mgr->mixer_mutex);
+ return changed;
+}
+
+static struct snd_kcontrol_new pcxhr_control_analog_level = {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ /* name will be filled later */
+ .info = pcxhr_analog_vol_info,
+ .get = pcxhr_analog_vol_get,
+ .put = pcxhr_analog_vol_put,
+};
+
+/* shared */
+static int pcxhr_sw_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN;
+ uinfo->count = 2;
+ uinfo->value.integer.min = 0;
+ uinfo->value.integer.max = 1;
+ return 0;
+}
+
+static int pcxhr_audio_sw_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
+
+ down(&chip->mgr->mixer_mutex);
+ ucontrol->value.integer.value[0] = chip->analog_playback_active[0];
+ ucontrol->value.integer.value[1] = chip->analog_playback_active[1];
+ up(&chip->mgr->mixer_mutex);
+ return 0;
+}
+
+static int pcxhr_audio_sw_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
+ int i, changed = 0;
+ down(&chip->mgr->mixer_mutex);
+ for(i = 0; i < 2; i++) {
+ if (chip->analog_playback_active[i] != ucontrol->value.integer.value[i]) {
+ chip->analog_playback_active[i] = ucontrol->value.integer.value[i];
+ changed = 1;
+ pcxhr_update_analog_audio_level(chip, 0, i); /* update playback levels */
+ }
+ }
+ up(&chip->mgr->mixer_mutex);
+ return changed;
+}
+
+static struct snd_kcontrol_new pcxhr_control_output_switch = {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Master Playback Switch",
+ .info = pcxhr_sw_info, /* shared */
+ .get = pcxhr_audio_sw_get,
+ .put = pcxhr_audio_sw_put
+};
+
+
+#define PCXHR_DIGITAL_LEVEL_MIN 0x000 /* -110 dB */
+#define PCXHR_DIGITAL_LEVEL_MAX 0x1ff /* +18 dB */
+#define PCXHR_DIGITAL_ZERO_LEVEL 0x1b7 /* 0 dB */
+
+
+#define MORE_THAN_ONE_STREAM_LEVEL 0x000001
+#define VALID_STREAM_PAN_LEVEL_MASK 0x800000
+#define VALID_STREAM_LEVEL_MASK 0x400000
+#define VALID_STREAM_LEVEL_1_MASK 0x200000
+#define VALID_STREAM_LEVEL_2_MASK 0x100000
+
+static int pcxhr_update_playback_stream_level(struct snd_pcxhr* chip, int idx)
+{
+ int err;
+ struct pcxhr_rmh rmh;
+ struct pcxhr_pipe *pipe = &chip->playback_pipe;
+ int left, right;
+
+ if (chip->digital_playback_active[idx][0])
+ left = chip->digital_playback_volume[idx][0];
+ else
+ left = PCXHR_DIGITAL_LEVEL_MIN;
+ if (chip->digital_playback_active[idx][1])
+ right = chip->digital_playback_volume[idx][1];
+ else
+ right = PCXHR_DIGITAL_LEVEL_MIN;
+
+ pcxhr_init_rmh(&rmh, CMD_STREAM_OUT_LEVEL_ADJUST);
+ /* add pipe and stream mask */
+ pcxhr_set_pipe_cmd_params(&rmh, 0, pipe->first_audio, 0, 1<<idx);
+ /* volume left->left / right->right panoramic level */
+ rmh.cmd[0] |= MORE_THAN_ONE_STREAM_LEVEL;
+ rmh.cmd[2] = VALID_STREAM_PAN_LEVEL_MASK | VALID_STREAM_LEVEL_1_MASK;
+ rmh.cmd[2] |= (left << 10);
+ rmh.cmd[3] = VALID_STREAM_PAN_LEVEL_MASK | VALID_STREAM_LEVEL_2_MASK;
+ rmh.cmd[3] |= right;
+ rmh.cmd_len = 4;
+
+ err = pcxhr_send_msg(chip->mgr, &rmh);
+ if (err < 0) {
+ snd_printk(KERN_DEBUG "error update_playback_stream_level "
+ "card(%d) err(%x)\n", chip->chip_idx, err);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+#define AUDIO_IO_HAS_MUTE_LEVEL 0x400000
+#define AUDIO_IO_HAS_MUTE_MONITOR_1 0x200000
+#define VALID_AUDIO_IO_DIGITAL_LEVEL 0x000001
+#define VALID_AUDIO_IO_MONITOR_LEVEL 0x000002
+#define VALID_AUDIO_IO_MUTE_LEVEL 0x000004
+#define VALID_AUDIO_IO_MUTE_MONITOR_1 0x000008
+
+static int pcxhr_update_audio_pipe_level(struct snd_pcxhr* chip, int capture, int channel)
+{
+ int err;
+ struct pcxhr_rmh rmh;
+ struct pcxhr_pipe *pipe;
+
+ if (capture)
+ pipe = &chip->capture_pipe[0];
+ else
+ pipe = &chip->playback_pipe;
+
+ pcxhr_init_rmh(&rmh, CMD_AUDIO_LEVEL_ADJUST);
+ /* add channel mask */
+ pcxhr_set_pipe_cmd_params(&rmh, capture, 0, 0, 1 << (channel + pipe->first_audio));
+ /* TODO : if mask (3 << pipe->first_audio) is used, left and right channel
+ * will be programmed to the same params
+ */
+ if (capture) {
+ rmh.cmd[0] |= VALID_AUDIO_IO_DIGITAL_LEVEL;
+ /* VALID_AUDIO_IO_MUTE_LEVEL not yet handled (capture pipe level) */
+ rmh.cmd[2] = chip->digital_capture_volume[channel];
+ } else {
+ rmh.cmd[0] |= VALID_AUDIO_IO_MONITOR_LEVEL | VALID_AUDIO_IO_MUTE_MONITOR_1;
+ /* VALID_AUDIO_IO_DIGITAL_LEVEL and VALID_AUDIO_IO_MUTE_LEVEL not yet
+ * handled (playback pipe level)
+ */
+ rmh.cmd[2] = chip->monitoring_volume[channel] << 10;
+ if (chip->monitoring_active[channel] == 0)
+ rmh.cmd[2] |= AUDIO_IO_HAS_MUTE_MONITOR_1;
+ }
+ rmh.cmd_len = 3;
+
+ err = pcxhr_send_msg(chip->mgr, &rmh);
+ if(err<0) {
+ snd_printk(KERN_DEBUG "error update_audio_level card(%d) err(%x)\n",
+ chip->chip_idx, err);
+ return -EINVAL;
+ }
+ return 0;
+}
+
+
+/* shared */
+static int pcxhr_digital_vol_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 2;
+ uinfo->value.integer.min = PCXHR_DIGITAL_LEVEL_MIN; /* -109.5 dB */
+ uinfo->value.integer.max = PCXHR_DIGITAL_LEVEL_MAX; /* 18.0 dB */
+ return 0;
+}
+
+
+static int pcxhr_pcm_vol_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
+ int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); /* index */
+ int *stored_volume;
+ int is_capture = kcontrol->private_value;
+
+ down(&chip->mgr->mixer_mutex);
+ if (is_capture)
+ stored_volume = chip->digital_capture_volume; /* digital capture */
+ else
+ stored_volume = chip->digital_playback_volume[idx]; /* digital playback */
+ ucontrol->value.integer.value[0] = stored_volume[0];
+ ucontrol->value.integer.value[1] = stored_volume[1];
+ up(&chip->mgr->mixer_mutex);
+ return 0;
+}
+
+static int pcxhr_pcm_vol_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
+ int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); /* index */
+ int changed = 0;
+ int is_capture = kcontrol->private_value;
+ int *stored_volume;
+ int i;
+
+ down(&chip->mgr->mixer_mutex);
+ if (is_capture)
+ stored_volume = chip->digital_capture_volume; /* digital capture */
+ else
+ stored_volume = chip->digital_playback_volume[idx]; /* digital playback */
+ for (i = 0; i < 2; i++) {
+ if (stored_volume[i] != ucontrol->value.integer.value[i]) {
+ stored_volume[i] = ucontrol->value.integer.value[i];
+ changed = 1;
+ if (is_capture) /* update capture volume */
+ pcxhr_update_audio_pipe_level(chip, 1, i);
+ }
+ }
+ if (! is_capture && changed)
+ pcxhr_update_playback_stream_level(chip, idx); /* update playback volume */
+ up(&chip->mgr->mixer_mutex);
+ return changed;
+}
+
+static struct snd_kcontrol_new snd_pcxhr_pcm_vol =
+{
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ /* name will be filled later */
+ /* count will be filled later */
+ .info = pcxhr_digital_vol_info, /* shared */
+ .get = pcxhr_pcm_vol_get,
+ .put = pcxhr_pcm_vol_put,
+};
+
+
+static int pcxhr_pcm_sw_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
+ int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); /* index */
+
+ down(&chip->mgr->mixer_mutex);
+ ucontrol->value.integer.value[0] = chip->digital_playback_active[idx][0];
+ ucontrol->value.integer.value[1] = chip->digital_playback_active[idx][1];
+ up(&chip->mgr->mixer_mutex);
+ return 0;
+}
+
+static int pcxhr_pcm_sw_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
+ int changed = 0;
+ int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); /* index */
+ int i, j;
+
+ down(&chip->mgr->mixer_mutex);
+ j = idx;
+ for (i = 0; i < 2; i++) {
+ if (chip->digital_playback_active[j][i] != ucontrol->value.integer.value[i]) {
+ chip->digital_playback_active[j][i] = ucontrol->value.integer.value[i];
+ changed = 1;
+ }
+ }
+ if (changed)
+ pcxhr_update_playback_stream_level(chip, idx);
+ up(&chip->mgr->mixer_mutex);
+ return changed;
+}
+
+static struct snd_kcontrol_new pcxhr_control_pcm_switch = {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "PCM Playback Switch",
+ .count = PCXHR_PLAYBACK_STREAMS,
+ .info = pcxhr_sw_info, /* shared */
+ .get = pcxhr_pcm_sw_get,
+ .put = pcxhr_pcm_sw_put
+};
+
+
+/*
+ * monitoring level control
+ */
+
+static int pcxhr_monitor_vol_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
+ down(&chip->mgr->mixer_mutex);
+ ucontrol->value.integer.value[0] = chip->monitoring_volume[0];
+ ucontrol->value.integer.value[1] = chip->monitoring_volume[1];
+ up(&chip->mgr->mixer_mutex);
+ return 0;
+}
+
+static int pcxhr_monitor_vol_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
+ int changed = 0;
+ int i;
+
+ down(&chip->mgr->mixer_mutex);
+ for (i = 0; i < 2; i++) {
+ if (chip->monitoring_volume[i] != ucontrol->value.integer.value[i]) {
+ chip->monitoring_volume[i] = ucontrol->value.integer.value[i];
+ if(chip->monitoring_active[i]) /* do only when monitoring is unmuted */
+ /* update monitoring volume and mute */
+ pcxhr_update_audio_pipe_level(chip, 0, i);
+ changed = 1;
+ }
+ }
+ up(&chip->mgr->mixer_mutex);
+ return changed;
+}
+
+static struct snd_kcontrol_new pcxhr_control_monitor_vol = {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Monitoring Volume",
+ .info = pcxhr_digital_vol_info, /* shared */
+ .get = pcxhr_monitor_vol_get,
+ .put = pcxhr_monitor_vol_put,
+};
+
+/*
+ * monitoring switch control
+ */
+
+static int pcxhr_monitor_sw_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
+ down(&chip->mgr->mixer_mutex);
+ ucontrol->value.integer.value[0] = chip->monitoring_active[0];
+ ucontrol->value.integer.value[1] = chip->monitoring_active[1];
+ up(&chip->mgr->mixer_mutex);
+ return 0;
+}
+
+static int pcxhr_monitor_sw_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
+ int changed = 0;
+ int i;
+
+ down(&chip->mgr->mixer_mutex);
+ for (i = 0; i < 2; i++) {
+ if (chip->monitoring_active[i] != ucontrol->value.integer.value[i]) {
+ chip->monitoring_active[i] = ucontrol->value.integer.value[i];
+ changed |= (1<<i); /* mask 0x01 and 0x02 */
+ }
+ }
+ if(changed & 0x01)
+ /* update left monitoring volume and mute */
+ pcxhr_update_audio_pipe_level(chip, 0, 0);
+ if(changed & 0x02)
+ /* update right monitoring volume and mute */
+ pcxhr_update_audio_pipe_level(chip, 0, 1);
+
+ up(&chip->mgr->mixer_mutex);
+ return (changed != 0);
+}
+
+static struct snd_kcontrol_new pcxhr_control_monitor_sw = {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Monitoring Switch",
+ .info = pcxhr_sw_info, /* shared */
+ .get = pcxhr_monitor_sw_get,
+ .put = pcxhr_monitor_sw_put
+};
+
+
+
+/*
+ * audio source select
+ */
+#define PCXHR_SOURCE_AUDIO01_UER 0x000100
+#define PCXHR_SOURCE_AUDIO01_SYNC 0x000200
+#define PCXHR_SOURCE_AUDIO23_UER 0x000400
+#define PCXHR_SOURCE_AUDIO45_UER 0x001000
+#define PCXHR_SOURCE_AUDIO67_UER 0x040000
+
+static int pcxhr_set_audio_source(struct snd_pcxhr* chip)
+{
+ struct pcxhr_rmh rmh;
+ unsigned int mask, reg;
+ unsigned int codec;
+ int err, use_src, changed;
+
+ switch (chip->chip_idx) {
+ case 0 : mask = PCXHR_SOURCE_AUDIO01_UER; codec = CS8420_01_CS; break;
+ case 1 : mask = PCXHR_SOURCE_AUDIO23_UER; codec = CS8420_23_CS; break;
+ case 2 : mask = PCXHR_SOURCE_AUDIO45_UER; codec = CS8420_45_CS; break;
+ case 3 : mask = PCXHR_SOURCE_AUDIO67_UER; codec = CS8420_67_CS; break;
+ default: return -EINVAL;
+ }
+ reg = 0; /* audio source from analog plug */
+ use_src = 0; /* do not activate codec SRC */
+
+ if (chip->audio_capture_source != 0) {
+ reg = mask; /* audio source from digital plug */
+ if (chip->audio_capture_source == 2)
+ use_src = 1;
+ }
+ /* set the input source */
+ pcxhr_write_io_num_reg_cont(chip->mgr, mask, reg, &changed);
+ /* resync them (otherwise channel inversion possible) */
+ if (changed) {
+ pcxhr_init_rmh(&rmh, CMD_RESYNC_AUDIO_INPUTS);
+ rmh.cmd[0] |= (1 << chip->chip_idx);
+ err = pcxhr_send_msg(chip->mgr, &rmh);
+ if (err)
+ return err;
+ }
+ pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE); /* set codec SRC on off */
+ rmh.cmd_len = 3;
+ rmh.cmd[0] |= IO_NUM_UER_CHIP_REG;
+ rmh.cmd[1] = codec;
+ rmh.cmd[2] = (CS8420_DATA_FLOW_CTL & CHIP_SIG_AND_MAP_SPI) | (use_src ? 0x41 : 0x54);
+ err = pcxhr_send_msg(chip->mgr, &rmh);
+ if(err)
+ return err;
+ rmh.cmd[2] = (CS8420_CLOCK_SRC_CTL & CHIP_SIG_AND_MAP_SPI) | (use_src ? 0x41 : 0x49);
+ err = pcxhr_send_msg(chip->mgr, &rmh);
+ return err;
+}
+
+static int pcxhr_audio_src_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ static char *texts[3] = {"Analog", "Digital", "Digi+SRC"};
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ uinfo->count = 1;
+ uinfo->value.enumerated.items = 3;
+ if (uinfo->value.enumerated.item > 2)
+ uinfo->value.enumerated.item = 2;
+ strcpy(uinfo->value.enumerated.name,
+ texts[uinfo->value.enumerated.item]);
+ return 0;
+}
+
+static int pcxhr_audio_src_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
+ ucontrol->value.enumerated.item[0] = chip->audio_capture_source;
+ return 0;
+}
+
+static int pcxhr_audio_src_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
+ int ret = 0;
+
+ down(&chip->mgr->mixer_mutex);
+ if (chip->audio_capture_source != ucontrol->value.enumerated.item[0]) {
+ chip->audio_capture_source = ucontrol->value.enumerated.item[0];
+ pcxhr_set_audio_source(chip);
+ ret = 1;
+ }
+ up(&chip->mgr->mixer_mutex);
+ return ret;
+}
+
+static struct snd_kcontrol_new pcxhr_control_audio_src = {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Capture Source",
+ .info = pcxhr_audio_src_info,
+ .get = pcxhr_audio_src_get,
+ .put = pcxhr_audio_src_put,
+};
+
+
+/*
+ * clock type selection
+ * enum pcxhr_clock_type {
+ * PCXHR_CLOCK_TYPE_INTERNAL = 0,
+ * PCXHR_CLOCK_TYPE_WORD_CLOCK,
+ * PCXHR_CLOCK_TYPE_AES_SYNC,
+ * PCXHR_CLOCK_TYPE_AES_1,
+ * PCXHR_CLOCK_TYPE_AES_2,
+ * PCXHR_CLOCK_TYPE_AES_3,
+ * PCXHR_CLOCK_TYPE_AES_4,
+ * };
+ */
+
+static int pcxhr_clock_type_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ static char *texts[7] = {
+ "Internal", "WordClock", "AES Sync", "AES 1", "AES 2", "AES 3", "AES 4"
+ };
+ struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
+ int clock_items = 3 + mgr->capture_chips;
+
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
+ uinfo->count = 1;
+ uinfo->value.enumerated.items = clock_items;
+ if (uinfo->value.enumerated.item >= clock_items)
+ uinfo->value.enumerated.item = clock_items-1;
+ strcpy(uinfo->value.enumerated.name,
+ texts[uinfo->value.enumerated.item]);
+ return 0;
+}
+
+static int pcxhr_clock_type_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
+ ucontrol->value.enumerated.item[0] = mgr->use_clock_type;
+ return 0;
+}
+
+static int pcxhr_clock_type_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
+ int rate, ret = 0;
+
+ down(&mgr->mixer_mutex);
+ if (mgr->use_clock_type != ucontrol->value.enumerated.item[0]) {
+ down(&mgr->setup_mutex);
+ mgr->use_clock_type = ucontrol->value.enumerated.item[0];
+ if (mgr->use_clock_type)
+ pcxhr_get_external_clock(mgr, mgr->use_clock_type, &rate);
+ else
+ rate = mgr->sample_rate;
+ if (rate) {
+ pcxhr_set_clock(mgr, rate);
+ if (mgr->sample_rate)
+ mgr->sample_rate = rate;
+ }
+ up(&mgr->setup_mutex);
+ ret = 1; /* return 1 even if the set was not done. ok ? */
+ }
+ up(&mgr->mixer_mutex);
+ return ret;
+}
+
+static struct snd_kcontrol_new pcxhr_control_clock_type = {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Clock Mode",
+ .info = pcxhr_clock_type_info,
+ .get = pcxhr_clock_type_get,
+ .put = pcxhr_clock_type_put,
+};
+
+/*
+ * clock rate control
+ * specific control that scans the sample rates on the external plugs
+ */
+static int pcxhr_clock_rate_info(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_info *uinfo)
+{
+ struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
+ uinfo->count = 3 + mgr->capture_chips;
+ uinfo->value.integer.min = 0; /* clock not present */
+ uinfo->value.integer.max = 192000; /* max sample rate 192 kHz */
+ return 0;
+}
+
+static int pcxhr_clock_rate_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct pcxhr_mgr *mgr = snd_kcontrol_chip(kcontrol);
+ int i, err, rate;
+
+ down(&mgr->mixer_mutex);
+ for(i = 0; i < 3 + mgr->capture_chips; i++) {
+ if (i == PCXHR_CLOCK_TYPE_INTERNAL)
+ rate = mgr->sample_rate_real;
+ else {
+ err = pcxhr_get_external_clock(mgr, i, &rate);
+ if (err)
+ break;
+ }
+ ucontrol->value.integer.value[i] = rate;
+ }
+ up(&mgr->mixer_mutex);
+ return 0;
+}
+
+static struct snd_kcontrol_new pcxhr_control_clock_rate = {
+ .access = SNDRV_CTL_ELEM_ACCESS_READ,
+ .iface = SNDRV_CTL_ELEM_IFACE_CARD,
+ .name = "Clock Rates",
+ .info = pcxhr_clock_rate_info,
+ .get = pcxhr_clock_rate_get,
+};
+
+/*
+ * IEC958 status bits
+ */
+static int pcxhr_iec958_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
+{
+ uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958;
+ uinfo->count = 1;
+ return 0;
+}
+
+static int pcxhr_iec958_capture_byte(struct snd_pcxhr *chip, int aes_idx, unsigned char* aes_bits)
+{
+ int i, err;
+ unsigned char temp;
+ struct pcxhr_rmh rmh;
+
+ pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_READ);
+ rmh.cmd[0] |= IO_NUM_UER_CHIP_REG;
+ switch (chip->chip_idx) {
+ case 0: rmh.cmd[1] = CS8420_01_CS; break; /* use CS8416_01_CS for AES SYNC plug */
+ case 1: rmh.cmd[1] = CS8420_23_CS; break;
+ case 2: rmh.cmd[1] = CS8420_45_CS; break;
+ case 3: rmh.cmd[1] = CS8420_67_CS; break;
+ default: return -EINVAL;
+ }
+ switch (aes_idx) {
+ case 0: rmh.cmd[2] = CS8420_CSB0; break; /* use CS8416_CSBx for AES SYNC plug */
+ case 1: rmh.cmd[2] = CS8420_CSB1; break;
+ case 2: rmh.cmd[2] = CS8420_CSB2; break;
+ case 3: rmh.cmd[2] = CS8420_CSB3; break;
+ case 4: rmh.cmd[2] = CS8420_CSB4; break;
+ default: return -EINVAL;
+ }
+ rmh.cmd[1] &= 0x0fffff; /* size and code the chip id for the fpga */
+ rmh.cmd[2] &= CHIP_SIG_AND_MAP_SPI; /* chip signature + map for spi read */
+ rmh.cmd_len = 3;
+ err = pcxhr_send_msg(chip->mgr, &rmh);
+ if (err)
+ return err;
+ temp = 0;
+ for (i = 0; i < 8; i++) {
+ /* attention : reversed bit order (not with CS8416_01_CS) */
+ temp <<= 1;
+ if (rmh.stat[1] & (1 << i))
+ temp |= 1;
+ }
+ snd_printdd("read iec958 AES %d byte %d = 0x%x\n", chip->chip_idx, aes_idx, temp);
+ *aes_bits = temp;
+ return 0;
+}
+
+static int pcxhr_iec958_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
+ unsigned char aes_bits;
+ int i, err;
+
+ down(&chip->mgr->mixer_mutex);
+ for(i = 0; i < 5; i++) {
+ if (kcontrol->private_value == 0) /* playback */
+ aes_bits = chip->aes_bits[i];
+ else { /* capture */
+ err = pcxhr_iec958_capture_byte(chip, i, &aes_bits);
+ if (err)
+ break;
+ }
+ ucontrol->value.iec958.status[i] = aes_bits;
+ }
+ up(&chip->mgr->mixer_mutex);
+ return 0;
+}
+
+static int pcxhr_iec958_mask_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ int i;
+ for (i = 0; i < 5; i++)
+ ucontrol->value.iec958.status[i] = 0xff;
+ return 0;
+}
+
+static int pcxhr_iec958_update_byte(struct snd_pcxhr *chip, int aes_idx, unsigned char aes_bits)
+{
+ int i, err, cmd;
+ unsigned char new_bits = aes_bits;
+ unsigned char old_bits = chip->aes_bits[aes_idx];
+ struct pcxhr_rmh rmh;
+
+ for (i = 0; i < 8; i++) {
+ if ((old_bits & 0x01) != (new_bits & 0x01)) {
+ cmd = chip->chip_idx & 0x03; /* chip index 0..3 */
+ if(chip->chip_idx > 3)
+ /* new bit used if chip_idx>3 (PCX1222HR) */
+ cmd |= 1 << 22;
+ cmd |= ((aes_idx << 3) + i) << 2; /* add bit offset */
+ cmd |= (new_bits & 0x01) << 23; /* add bit value */
+ pcxhr_init_rmh(&rmh, CMD_ACCESS_IO_WRITE);
+ rmh.cmd[0] |= IO_NUM_REG_CUER;
+ rmh.cmd[1] = cmd;
+ rmh.cmd_len = 2;
+ snd_printdd("write iec958 AES %d byte %d bit %d (cmd %x)\n",
+ chip->chip_idx, aes_idx, i, cmd);
+ err = pcxhr_send_msg(chip->mgr, &rmh);
+ if (err)
+ return err;
+ }
+ old_bits >>= 1;
+ new_bits >>= 1;
+ }
+ chip->aes_bits[aes_idx] = aes_bits;
+ return 0;
+}
+
+static int pcxhr_iec958_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct snd_pcxhr *chip = snd_kcontrol_chip(kcontrol);
+ int i, changed = 0;
+
+ /* playback */
+ down(&chip->mgr->mixer_mutex);
+ for (i = 0; i < 5; i++) {
+ if (ucontrol->value.iec958.status[i] != chip->aes_bits[i]) {
+ pcxhr_iec958_update_byte(chip, i, ucontrol->value.iec958.status[i]);
+ changed = 1;
+ }
+ }
+ up(&chip->mgr->mixer_mutex);
+ return changed;
+}
+
+static struct snd_kcontrol_new pcxhr_control_playback_iec958_mask = {
+ .access = SNDRV_CTL_ELEM_ACCESS_READ,
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK),
+ .info = pcxhr_iec958_info,
+ .get = pcxhr_iec958_mask_get
+};
+static struct snd_kcontrol_new pcxhr_control_playback_iec958 = {
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT),
+ .info = pcxhr_iec958_info,
+ .get = pcxhr_iec958_get,
+ .put = pcxhr_iec958_put,
+ .private_value = 0 /* playback */
+};
+
+static struct snd_kcontrol_new pcxhr_control_capture_iec958_mask = {
+ .access = SNDRV_CTL_ELEM_ACCESS_READ,
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,MASK),
+ .info = pcxhr_iec958_info,
+ .get = pcxhr_iec958_mask_get
+};
+static struct snd_kcontrol_new pcxhr_control_capture_iec958 = {
+ .access = SNDRV_CTL_ELEM_ACCESS_READ,
+ .iface = SNDRV_CTL_ELEM_IFACE_PCM,
+ .name = SNDRV_CTL_NAME_IEC958("",CAPTURE,DEFAULT),
+ .info = pcxhr_iec958_info,
+ .get = pcxhr_iec958_get,
+ .private_value = 1 /* capture */
+};
+
+static void pcxhr_init_audio_levels(struct snd_pcxhr *chip)
+{
+ int i;
+
+ for (i = 0; i < 2; i++) {
+ if (chip->nb_streams_play) {
+ int j;
+ /* at boot time the digital volumes are unmuted 0dB */
+ for (j = 0; j < PCXHR_PLAYBACK_STREAMS; j++) {
+ chip->digital_playback_active[j][i] = 1;
+ chip->digital_playback_volume[j][i] = PCXHR_DIGITAL_ZERO_LEVEL;
+ }
+ /* after boot, only two bits are set on the uer interface */
+ chip->aes_bits[0] = IEC958_AES0_PROFESSIONAL | IEC958_AES0_PRO_FS_48000;
+/* only for test purpose, remove later */
+#ifdef CONFIG_SND_DEBUG
+ /* analog volumes for playback (is LEVEL_MIN after boot) */
+ chip->analog_playback_active[i] = 1;
+ chip->analog_playback_volume[i] = PCXHR_ANALOG_PLAYBACK_ZERO_LEVEL;
+ pcxhr_update_analog_audio_level(chip, 0, i);
+#endif
+/* test end */
+ }
+ if (chip->nb_streams_capt) {
+ /* at boot time the digital volumes are unmuted 0dB */
+ chip->digital_capture_volume[i] = PCXHR_DIGITAL_ZERO_LEVEL;
+/* only for test purpose, remove later */
+#ifdef CONFIG_SND_DEBUG
+ /* analog volumes for playback (is LEVEL_MIN after boot) */
+ chip->analog_capture_volume[i] = PCXHR_ANALOG_CAPTURE_ZERO_LEVEL;
+ pcxhr_update_analog_audio_level(chip, 1, i);
+#endif
+/* test end */
+ }
+ }
+
+ return;
+}
+
+
+int pcxhr_create_mixer(struct pcxhr_mgr *mgr)
+{
+ struct snd_pcxhr *chip;
+ int err, i;
+
+ init_MUTEX(&mgr->mixer_mutex); /* can be in another place */
+
+ for (i = 0; i < mgr->num_cards; i++) {
+ struct snd_kcontrol_new temp;
+ chip = mgr->chip[i];
+
+ if (chip->nb_streams_play) {
+ /* analog output level control */
+ temp = pcxhr_control_analog_level;
+ temp.name = "Master Playback Volume";
+ temp.private_value = 0; /* playback */
+ if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip))) < 0)
+ return err;
+ /* output mute controls */
+ if ((err = snd_ctl_add(chip->card,
+ snd_ctl_new1(&pcxhr_control_output_switch,
+ chip))) < 0)
+ return err;
+
+ temp = snd_pcxhr_pcm_vol;
+ temp.name = "PCM Playback Volume";
+ temp.count = PCXHR_PLAYBACK_STREAMS;
+ temp.private_value = 0; /* playback */
+ if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip))) < 0)
+ return err;
+
+ if ((err = snd_ctl_add(chip->card,
+ snd_ctl_new1(&pcxhr_control_pcm_switch,
+ chip))) < 0)
+ return err;
+
+ /* IEC958 controls */
+ if ((err = snd_ctl_add(chip->card,
+ snd_ctl_new1(&pcxhr_control_playback_iec958_mask,
+ chip))) < 0)
+ return err;
+ if ((err = snd_ctl_add(chip->card,
+ snd_ctl_new1(&pcxhr_control_playback_iec958,
+ chip))) < 0)
+ return err;
+ }
+ if (chip->nb_streams_capt) {
+ /* analog input level control only on first two chips !*/
+ temp = pcxhr_control_analog_level;
+ temp.name = "Master Capture Volume";
+ temp.private_value = 1; /* capture */
+ if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip))) < 0)
+ return err;
+
+ temp = snd_pcxhr_pcm_vol;
+ temp.name = "PCM Capture Volume";
+ temp.count = 1;
+ temp.private_value = 1; /* capture */
+ if ((err = snd_ctl_add(chip->card, snd_ctl_new1(&temp, chip))) < 0)
+ return err;
+ /* Audio source */
+ if ((err = snd_ctl_add(chip->card,
+ snd_ctl_new1(&pcxhr_control_audio_src,
+ chip))) < 0)
+ return err;
+ /* IEC958 controls */
+ if ((err = snd_ctl_add(chip->card,
+ snd_ctl_new1(&pcxhr_control_capture_iec958_mask,
+ chip))) < 0)
+ return err;
+ if ((err = snd_ctl_add(chip->card,
+ snd_ctl_new1(&pcxhr_control_capture_iec958,
+ chip))) < 0)
+ return err;
+ }
+ /* monitoring only if playback and capture device available */
+ if (chip->nb_streams_capt > 0 && chip->nb_streams_play > 0) {
+ /* monitoring */
+ if ((err = snd_ctl_add(chip->card,
+ snd_ctl_new1(&pcxhr_control_monitor_vol,
+ chip))) < 0)
+ return err;
+ if ((err = snd_ctl_add(chip->card,
+ snd_ctl_new1(&pcxhr_control_monitor_sw,
+ chip))) < 0)
+ return err;
+ }
+
+ if (i == 0) {
+ /* clock mode only one control per pcxhr */
+ if ((err = snd_ctl_add(chip->card,
+ snd_ctl_new1(&pcxhr_control_clock_type,
+ mgr))) < 0)
+ return err;
+ /* non standard control used to scan the external clock presence/frequencies */
+ if ((err = snd_ctl_add(chip->card,
+ snd_ctl_new1(&pcxhr_control_clock_rate,
+ mgr))) < 0)
+ return err;
+ }
+
+ /* init values for the mixer data */
+ pcxhr_init_audio_levels(chip);
+ }
+
+ return 0;
+}