/* * Linux driver for TerraTec DMX 6Fire USB * * Mixer control * * Author: Torsten Schenk * Created: Jan 01, 2011 * Copyright: (C) Torsten Schenk * * Thanks to: * - Holger Ruckdeschel: he found out how to control individual channel * volumes and introduced mute switch * * 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. */ #include #include #include #include "control.h" #include "comm.h" #include "chip.h" static const char * const opt_coax_texts[2] = { "Optical", "Coax" }; static const char * const line_phono_texts[2] = { "Line", "Phono" }; /* * data that needs to be sent to device. sets up card internal stuff. * values dumped from windows driver and filtered by trial'n'error. */ static const struct { u8 type; u8 reg; u8 value; } init_data[] = { { 0x22, 0x00, 0x00 }, { 0x20, 0x00, 0x08 }, { 0x22, 0x01, 0x01 }, { 0x20, 0x01, 0x08 }, { 0x22, 0x02, 0x00 }, { 0x20, 0x02, 0x08 }, { 0x22, 0x03, 0x00 }, { 0x20, 0x03, 0x08 }, { 0x22, 0x04, 0x00 }, { 0x20, 0x04, 0x08 }, { 0x22, 0x05, 0x01 }, { 0x20, 0x05, 0x08 }, { 0x22, 0x04, 0x01 }, { 0x12, 0x04, 0x00 }, { 0x12, 0x05, 0x00 }, { 0x12, 0x0d, 0x38 }, { 0x12, 0x21, 0x82 }, { 0x12, 0x22, 0x80 }, { 0x12, 0x23, 0x00 }, { 0x12, 0x06, 0x02 }, { 0x12, 0x03, 0x00 }, { 0x12, 0x02, 0x00 }, { 0x22, 0x03, 0x01 }, { 0 } /* TERMINATING ENTRY */ }; static const int rates_altsetting[] = { 1, 1, 2, 2, 3, 3 }; /* values to write to soundcard register for all samplerates */ static const u16 rates_6fire_vl[] = {0x00, 0x01, 0x00, 0x01, 0x00, 0x01}; static const u16 rates_6fire_vh[] = {0x11, 0x11, 0x10, 0x10, 0x00, 0x00}; static DECLARE_TLV_DB_MINMAX(tlv_output, -9000, 0); static DECLARE_TLV_DB_MINMAX(tlv_input, -1500, 1500); enum { DIGITAL_THRU_ONLY_SAMPLERATE = 3 }; static void usb6fire_control_output_vol_update(struct control_runtime *rt) { struct comm_runtime *comm_rt = rt->chip->comm; int i; if (comm_rt) for (i = 0; i < 6; i++) if (!(rt->ovol_updated & (1 << i))) { comm_rt->write8(comm_rt, 0x12, 0x0f + i, 180 - rt->output_vol[i]); rt->ovol_updated |= 1 << i; } } static void usb6fire_control_output_mute_update(struct control_runtime *rt) { struct comm_runtime *comm_rt = rt->chip->comm; if (comm_rt) comm_rt->write8(comm_rt, 0x12, 0x0e, ~rt->output_mute); } static void usb6fire_control_input_vol_update(struct control_runtime *rt) { struct comm_runtime *comm_rt = rt->chip->comm; int i; if (comm_rt) for (i = 0; i < 2; i++) if (!(rt->ivol_updated & (1 << i))) { comm_rt->write8(comm_rt, 0x12, 0x1c + i, rt->input_vol[i] & 0x3f); rt->ivol_updated |= 1 << i; } } static void usb6fire_control_line_phono_update(struct control_runtime *rt) { struct comm_runtime *comm_rt = rt->chip->comm; if (comm_rt) { comm_rt->write8(comm_rt, 0x22, 0x02, rt->line_phono_switch); comm_rt->write8(comm_rt, 0x21, 0x02, rt->line_phono_switch); } } static void usb6fire_control_opt_coax_update(struct control_runtime *rt) { struct comm_runtime *comm_rt = rt->chip->comm; if (comm_rt) { comm_rt->write8(comm_rt, 0x22, 0x00, rt->opt_coax_switch); comm_rt->write8(comm_rt, 0x21, 0x00, rt->opt_coax_switch); } } static int usb6fire_control_set_rate(struct control_runtime *rt, int rate) { int ret; struct usb_device *device = rt->chip->dev; struct comm_runtime *comm_rt = rt->chip->comm; if (rate < 0 || rate >= CONTROL_N_RATES) return -EINVAL; ret = usb_set_interface(device, 1, rates_altsetting[rate]); if (ret < 0) return ret; /* set soundcard clock */ ret = comm_rt->write16(comm_rt, 0x02, 0x01, rates_6fire_vl[rate], rates_6fire_vh[rate]); if (ret < 0) return ret; return 0; } static int usb6fire_control_set_channels( struct control_runtime *rt, int n_analog_out, int n_analog_in, bool spdif_out, bool spdif_in) { int ret; struct comm_runtime *comm_rt = rt->chip->comm; /* enable analog inputs and outputs * (one bit per stereo-channel) */ ret = comm_rt->write16(comm_rt, 0x02, 0x02, (1 << (n_analog_out / 2)) - 1, (1 << (n_analog_in / 2)) - 1); if (ret < 0) return ret; /* disable digital inputs and outputs */ /* TODO: use spdif_x to enable/disable digital channels */ ret = comm_rt->write16(comm_rt, 0x02, 0x03, 0x00, 0x00); if (ret < 0) return ret; return 0; } static int usb6fire_control_streaming_update(struct control_runtime *rt) { struct comm_runtime *comm_rt = rt->chip->comm; if (comm_rt) { if (!rt->usb_streaming && rt->digital_thru_switch) usb6fire_control_set_rate(rt, DIGITAL_THRU_ONLY_SAMPLERATE); return comm_rt->write16(comm_rt, 0x02, 0x00, 0x00, (rt->usb_streaming ? 0x01 : 0x00) | (rt->digital_thru_switch ? 0x08 : 0x00)); } return -EINVAL; } static int usb6fire_control_output_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 = 0; uinfo->value.integer.max = 180; return 0; } static int usb6fire_control_output_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct control_runtime *rt = snd_kcontrol_chip(kcontrol); unsigned int ch = kcontrol->private_value; int changed = 0; if (ch > 4) { dev_err(&rt->chip->dev->dev, "Invalid channel in volume control."); return -EINVAL; } if (rt->output_vol[ch] != ucontrol->value.integer.value[0]) { rt->output_vol[ch] = ucontrol->value.integer.value[0]; rt->ovol_updated &= ~(1 << ch); changed = 1; } if (rt->output_vol[ch + 1] != ucontrol->value.integer.value[1]) { rt->output_vol[ch + 1] = ucontrol->value.integer.value[1]; rt->ovol_updated &= ~(2 << ch); changed = 1; } if (changed) usb6fire_control_output_vol_update(rt); return changed; } static int usb6fire_control_output_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct control_runtime *rt = snd_kcontrol_chip(kcontrol); unsigned int ch = kcontrol->private_value; if (ch > 4) { dev_err(&rt->chip->dev->dev, "Invalid channel in volume control."); return -EINVAL; } ucontrol->value.integer.value[0] = rt->output_vol[ch]; ucontrol->value.integer.value[1] = rt->output_vol[ch + 1]; return 0; } static int usb6fire_control_output_mute_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct control_runtime *rt = snd_kcontrol_chip(kcontrol); unsigned int ch = kcontrol->private_value; u8 old = rt->output_mute; u8 value = 0; if (ch > 4) { dev_err(&rt->chip->dev->dev, "Invalid channel in volume control."); return -EINVAL; } rt->output_mute &= ~(3 << ch); if (ucontrol->value.integer.value[0]) value |= 1; if (ucontrol->value.integer.value[1]) value |= 2; rt->output_mute |= value << ch; if (rt->output_mute != old) usb6fire_control_output_mute_update(rt); return rt->output_mute != old; } static int usb6fire_control_output_mute_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct control_runtime *rt = snd_kcontrol_chip(kcontrol); unsigned int ch = kcontrol->private_value; u8 value = rt->output_mute >> ch; if (ch > 4) { dev_err(&rt->chip->dev->dev, "Invalid channel in volume control."); return -EINVAL; } ucontrol->value.integer.value[0] = 1 & value; value >>= 1; ucontrol->value.integer.value[1] = 1 & value; return 0; } static int usb6fire_control_input_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 = 0; uinfo->value.integer.max = 30; return 0; } static int usb6fire_control_input_vol_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct control_runtime *rt = snd_kcontrol_chip(kcontrol); int changed = 0; if (rt->input_vol[0] != ucontrol->value.integer.value[0]) { rt->input_vol[0] = ucontrol->value.integer.value[0] - 15; rt->ivol_updated &= ~(1 << 0); changed = 1; } if (rt->input_vol[1] != ucontrol->value.integer.value[1]) { rt->input_vol[1] = ucontrol->value.integer.value[1] - 15; rt->ivol_updated &= ~(1 << 1); changed = 1; } if (changed) usb6fire_control_input_vol_update(rt); return changed; } static int usb6fire_control_input_vol_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct control_runtime *rt = snd_kcontrol_chip(kcontrol); ucontrol->value.integer.value[0] = rt->input_vol[0] + 15; ucontrol->value.integer.value[1] = rt->input_vol[1] + 15; return 0; } static int usb6fire_control_line_phono_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { return snd_ctl_enum_info(uinfo, 1, 2, line_phono_texts); } static int usb6fire_control_line_phono_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct control_runtime *rt = snd_kcontrol_chip(kcontrol); int changed = 0; if (rt->line_phono_switch != ucontrol->value.integer.value[0]) { rt->line_phono_switch = ucontrol->value.integer.value[0]; usb6fire_control_line_phono_update(rt); changed = 1; } return changed; } static int usb6fire_control_line_phono_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct control_runtime *rt = snd_kcontrol_chip(kcontrol); ucontrol->value.integer.value[0] = rt->line_phono_switch; return 0; } static int usb6fire_control_opt_coax_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { return snd_ctl_enum_info(uinfo, 1, 2, opt_coax_texts); } static int usb6fire_control_opt_coax_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct control_runtime *rt = snd_kcontrol_chip(kcontrol); int changed = 0; if (rt->opt_coax_switch != ucontrol->value.enumerated.item[0]) { rt->opt_coax_switch = ucontrol->value.enumerated.item[0]; usb6fire_control_opt_coax_update(rt); changed = 1; } return changed; } static int usb6fire_control_opt_coax_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct control_runtime *rt = snd_kcontrol_chip(kcontrol); ucontrol->value.enumerated.item[0] = rt->opt_coax_switch; return 0; } static int usb6fire_control_digital_thru_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct control_runtime *rt = snd_kcontrol_chip(kcontrol); int changed = 0; if (rt->digital_thru_switch != ucontrol->value.integer.value[0]) { rt->digital_thru_switch = ucontrol->value.integer.value[0]; usb6fire_control_streaming_update(rt); changed = 1; } return changed; } static int usb6fire_control_digital_thru_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct control_runtime *rt = snd_kcontrol_chip(kcontrol); ucontrol->value.integer.value[0] = rt->digital_thru_switch; return 0; } static struct snd_kcontrol_new vol_elements[] = { { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Analog Playback Volume", .index = 0, .private_value = 0, .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, .info = usb6fire_control_output_vol_info, .get = usb6fire_control_output_vol_get, .put = usb6fire_control_output_vol_put, .tlv = { .p = tlv_output } }, { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Analog Playback Volume", .index = 1, .private_value = 2, .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, .info = usb6fire_control_output_vol_info, .get = usb6fire_control_output_vol_get, .put = usb6fire_control_output_vol_put, .tlv = { .p = tlv_output } }, { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Analog Playback Volume", .index = 2, .private_value = 4, .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, .info = usb6fire_control_output_vol_info, .get = usb6fire_control_output_vol_get, .put = usb6fire_control_output_vol_put, .tlv = { .p = tlv_output } }, {} }; static struct snd_kcontrol_new mute_elements[] = { { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Analog Playback Switch", .index = 0, .private_value = 0, .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, .info = snd_ctl_boolean_stereo_info, .get = usb6fire_control_output_mute_get, .put = usb6fire_control_output_mute_put, }, { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Analog Playback Switch", .index = 1, .private_value = 2, .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, .info = snd_ctl_boolean_stereo_info, .get = usb6fire_control_output_mute_get, .put = usb6fire_control_output_mute_put, }, { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Analog Playback Switch", .index = 2, .private_value = 4, .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, .info = snd_ctl_boolean_stereo_info, .get = usb6fire_control_output_mute_get, .put = usb6fire_control_output_mute_put, }, {} }; static struct snd_kcontrol_new elements[] = { { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Line/Phono Capture Route", .index = 0, .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, .info = usb6fire_control_line_phono_info, .get = usb6fire_control_line_phono_get, .put = usb6fire_control_line_phono_put }, { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Opt/Coax Capture Route", .index = 0, .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, .info = usb6fire_control_opt_coax_info, .get = usb6fire_control_opt_coax_get, .put = usb6fire_control_opt_coax_put }, { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Digital Thru Playback Route", .index = 0, .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, .info = snd_ctl_boolean_mono_info, .get = usb6fire_control_digital_thru_get, .put = usb6fire_control_digital_thru_put }, { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Analog Capture Volume", .index = 0, .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, .info = usb6fire_control_input_vol_info, .get = usb6fire_control_input_vol_get, .put = usb6fire_control_input_vol_put, .tlv = { .p = tlv_input } }, {} }; static int usb6fire_control_add_virtual( struct control_runtime *rt, struct snd_card *card, char *name, struct snd_kcontrol_new *elems) { int ret; int i; struct snd_kcontrol *vmaster = snd_ctl_make_virtual_master(name, tlv_output); struct snd_kcontrol *control; if (!vmaster) return -ENOMEM; ret = snd_ctl_add(card, vmaster); if (ret < 0) return ret; i = 0; while (elems[i].name) { control = snd_ctl_new1(&elems[i], rt); if (!control) return -ENOMEM; ret = snd_ctl_add(card, control); if (ret < 0) return ret; ret = snd_ctl_add_slave(vmaster, control); if (ret < 0) return ret; i++; } return 0; } int usb6fire_control_init(struct sfire_chip *chip) { int i; int ret; struct control_runtime *rt = kzalloc(sizeof(struct control_runtime), GFP_KERNEL); struct comm_runtime *comm_rt = chip->comm; if (!rt) return -ENOMEM; rt->chip = chip; rt->update_streaming = usb6fire_control_streaming_update; rt->set_rate = usb6fire_control_set_rate; rt->set_channels = usb6fire_control_set_channels; i = 0; while (init_data[i].type) { comm_rt->write8(comm_rt, init_data[i].type, init_data[i].reg, init_data[i].value); i++; } usb6fire_control_opt_coax_update(rt); usb6fire_control_line_phono_update(rt); usb6fire_control_output_vol_update(rt); usb6fire_control_output_mute_update(rt); usb6fire_control_input_vol_update(rt); usb6fire_control_streaming_update(rt); ret = usb6fire_control_add_virtual(rt, chip->card, "Master Playback Volume", vol_elements); if (ret) { dev_err(&chip->dev->dev, "cannot add control.\n"); kfree(rt); return ret; } ret = usb6fire_control_add_virtual(rt, chip->card, "Master Playback Switch", mute_elements); if (ret) { dev_err(&chip->dev->dev, "cannot add control.\n"); kfree(rt); return ret; } i = 0; while (elements[i].name) { ret = snd_ctl_add(chip->card, snd_ctl_new1(&elements[i], rt)); if (ret < 0) { kfree(rt); dev_err(&chip->dev->dev, "cannot add control.\n"); return ret; } i++; } chip->control = rt; return 0; } void usb6fire_control_abort(struct sfire_chip *chip) {} void usb6fire_control_destroy(struct sfire_chip *chip) { kfree(chip->control); chip->control = NULL; }