618 lines
16 KiB
C
618 lines
16 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Linux driver for TerraTec DMX 6Fire USB
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*
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* Mixer control
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*
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* Author: Torsten Schenk <torsten.schenk@zoho.com>
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* Created: Jan 01, 2011
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* Copyright: (C) Torsten Schenk
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*
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* Thanks to:
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* - Holger Ruckdeschel: he found out how to control individual channel
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* volumes and introduced mute switch
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*/
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#include <linux/interrupt.h>
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#include <sound/control.h>
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#include <sound/tlv.h>
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#include "control.h"
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#include "comm.h"
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#include "chip.h"
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static const char * const opt_coax_texts[2] = { "Optical", "Coax" };
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static const char * const line_phono_texts[2] = { "Line", "Phono" };
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/*
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* data that needs to be sent to device. sets up card internal stuff.
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* values dumped from windows driver and filtered by trial'n'error.
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*/
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static const struct {
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u8 type;
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u8 reg;
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u8 value;
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}
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init_data[] = {
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{ 0x22, 0x00, 0x00 }, { 0x20, 0x00, 0x08 }, { 0x22, 0x01, 0x01 },
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{ 0x20, 0x01, 0x08 }, { 0x22, 0x02, 0x00 }, { 0x20, 0x02, 0x08 },
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{ 0x22, 0x03, 0x00 }, { 0x20, 0x03, 0x08 }, { 0x22, 0x04, 0x00 },
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{ 0x20, 0x04, 0x08 }, { 0x22, 0x05, 0x01 }, { 0x20, 0x05, 0x08 },
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{ 0x22, 0x04, 0x01 }, { 0x12, 0x04, 0x00 }, { 0x12, 0x05, 0x00 },
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{ 0x12, 0x0d, 0x38 }, { 0x12, 0x21, 0x82 }, { 0x12, 0x22, 0x80 },
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{ 0x12, 0x23, 0x00 }, { 0x12, 0x06, 0x02 }, { 0x12, 0x03, 0x00 },
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{ 0x12, 0x02, 0x00 }, { 0x22, 0x03, 0x01 },
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{ 0 } /* TERMINATING ENTRY */
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};
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static const int rates_altsetting[] = { 1, 1, 2, 2, 3, 3 };
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/* values to write to soundcard register for all samplerates */
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static const u16 rates_6fire_vl[] = {0x00, 0x01, 0x00, 0x01, 0x00, 0x01};
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static const u16 rates_6fire_vh[] = {0x11, 0x11, 0x10, 0x10, 0x00, 0x00};
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static DECLARE_TLV_DB_MINMAX(tlv_output, -9000, 0);
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static DECLARE_TLV_DB_MINMAX(tlv_input, -1500, 1500);
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enum {
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DIGITAL_THRU_ONLY_SAMPLERATE = 3
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};
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static void usb6fire_control_output_vol_update(struct control_runtime *rt)
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{
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struct comm_runtime *comm_rt = rt->chip->comm;
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int i;
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if (comm_rt)
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for (i = 0; i < 6; i++)
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if (!(rt->ovol_updated & (1 << i))) {
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comm_rt->write8(comm_rt, 0x12, 0x0f + i,
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180 - rt->output_vol[i]);
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rt->ovol_updated |= 1 << i;
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}
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}
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static void usb6fire_control_output_mute_update(struct control_runtime *rt)
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{
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struct comm_runtime *comm_rt = rt->chip->comm;
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if (comm_rt)
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comm_rt->write8(comm_rt, 0x12, 0x0e, ~rt->output_mute);
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}
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static void usb6fire_control_input_vol_update(struct control_runtime *rt)
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{
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struct comm_runtime *comm_rt = rt->chip->comm;
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int i;
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if (comm_rt)
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for (i = 0; i < 2; i++)
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if (!(rt->ivol_updated & (1 << i))) {
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comm_rt->write8(comm_rt, 0x12, 0x1c + i,
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rt->input_vol[i] & 0x3f);
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rt->ivol_updated |= 1 << i;
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}
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}
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static void usb6fire_control_line_phono_update(struct control_runtime *rt)
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{
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struct comm_runtime *comm_rt = rt->chip->comm;
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if (comm_rt) {
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comm_rt->write8(comm_rt, 0x22, 0x02, rt->line_phono_switch);
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comm_rt->write8(comm_rt, 0x21, 0x02, rt->line_phono_switch);
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}
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}
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static void usb6fire_control_opt_coax_update(struct control_runtime *rt)
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{
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struct comm_runtime *comm_rt = rt->chip->comm;
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if (comm_rt) {
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comm_rt->write8(comm_rt, 0x22, 0x00, rt->opt_coax_switch);
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comm_rt->write8(comm_rt, 0x21, 0x00, rt->opt_coax_switch);
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}
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}
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static int usb6fire_control_set_rate(struct control_runtime *rt, int rate)
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{
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int ret;
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struct usb_device *device = rt->chip->dev;
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struct comm_runtime *comm_rt = rt->chip->comm;
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if (rate < 0 || rate >= CONTROL_N_RATES)
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return -EINVAL;
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ret = usb_set_interface(device, 1, rates_altsetting[rate]);
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if (ret < 0)
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return ret;
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/* set soundcard clock */
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ret = comm_rt->write16(comm_rt, 0x02, 0x01, rates_6fire_vl[rate],
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rates_6fire_vh[rate]);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int usb6fire_control_set_channels(
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struct control_runtime *rt, int n_analog_out,
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int n_analog_in, bool spdif_out, bool spdif_in)
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{
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int ret;
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struct comm_runtime *comm_rt = rt->chip->comm;
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/* enable analog inputs and outputs
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* (one bit per stereo-channel) */
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ret = comm_rt->write16(comm_rt, 0x02, 0x02,
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(1 << (n_analog_out / 2)) - 1,
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(1 << (n_analog_in / 2)) - 1);
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if (ret < 0)
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return ret;
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/* disable digital inputs and outputs */
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/* TODO: use spdif_x to enable/disable digital channels */
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ret = comm_rt->write16(comm_rt, 0x02, 0x03, 0x00, 0x00);
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if (ret < 0)
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return ret;
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return 0;
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}
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static int usb6fire_control_streaming_update(struct control_runtime *rt)
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{
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struct comm_runtime *comm_rt = rt->chip->comm;
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if (comm_rt) {
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if (!rt->usb_streaming && rt->digital_thru_switch)
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usb6fire_control_set_rate(rt,
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DIGITAL_THRU_ONLY_SAMPLERATE);
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return comm_rt->write16(comm_rt, 0x02, 0x00, 0x00,
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(rt->usb_streaming ? 0x01 : 0x00) |
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(rt->digital_thru_switch ? 0x08 : 0x00));
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}
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return -EINVAL;
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}
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static int usb6fire_control_output_vol_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 2;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = 180;
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return 0;
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}
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static int usb6fire_control_output_vol_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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unsigned int ch = kcontrol->private_value;
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int changed = 0;
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if (ch > 4) {
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dev_err(&rt->chip->dev->dev,
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"Invalid channel in volume control.");
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return -EINVAL;
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}
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if (rt->output_vol[ch] != ucontrol->value.integer.value[0]) {
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rt->output_vol[ch] = ucontrol->value.integer.value[0];
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rt->ovol_updated &= ~(1 << ch);
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changed = 1;
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}
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if (rt->output_vol[ch + 1] != ucontrol->value.integer.value[1]) {
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rt->output_vol[ch + 1] = ucontrol->value.integer.value[1];
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rt->ovol_updated &= ~(2 << ch);
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changed = 1;
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}
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if (changed)
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usb6fire_control_output_vol_update(rt);
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return changed;
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}
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static int usb6fire_control_output_vol_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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unsigned int ch = kcontrol->private_value;
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if (ch > 4) {
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dev_err(&rt->chip->dev->dev,
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"Invalid channel in volume control.");
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return -EINVAL;
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}
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ucontrol->value.integer.value[0] = rt->output_vol[ch];
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ucontrol->value.integer.value[1] = rt->output_vol[ch + 1];
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return 0;
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}
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static int usb6fire_control_output_mute_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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unsigned int ch = kcontrol->private_value;
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u8 old = rt->output_mute;
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u8 value = 0;
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if (ch > 4) {
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dev_err(&rt->chip->dev->dev,
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"Invalid channel in volume control.");
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return -EINVAL;
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}
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rt->output_mute &= ~(3 << ch);
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if (ucontrol->value.integer.value[0])
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value |= 1;
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if (ucontrol->value.integer.value[1])
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value |= 2;
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rt->output_mute |= value << ch;
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if (rt->output_mute != old)
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usb6fire_control_output_mute_update(rt);
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return rt->output_mute != old;
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}
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static int usb6fire_control_output_mute_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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unsigned int ch = kcontrol->private_value;
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u8 value = rt->output_mute >> ch;
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if (ch > 4) {
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dev_err(&rt->chip->dev->dev,
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"Invalid channel in volume control.");
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return -EINVAL;
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}
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ucontrol->value.integer.value[0] = 1 & value;
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value >>= 1;
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ucontrol->value.integer.value[1] = 1 & value;
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return 0;
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}
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static int usb6fire_control_input_vol_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
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uinfo->count = 2;
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uinfo->value.integer.min = 0;
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uinfo->value.integer.max = 30;
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return 0;
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}
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static int usb6fire_control_input_vol_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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int changed = 0;
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if (rt->input_vol[0] != ucontrol->value.integer.value[0]) {
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rt->input_vol[0] = ucontrol->value.integer.value[0] - 15;
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rt->ivol_updated &= ~(1 << 0);
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changed = 1;
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}
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if (rt->input_vol[1] != ucontrol->value.integer.value[1]) {
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rt->input_vol[1] = ucontrol->value.integer.value[1] - 15;
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rt->ivol_updated &= ~(1 << 1);
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changed = 1;
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}
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if (changed)
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usb6fire_control_input_vol_update(rt);
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return changed;
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}
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static int usb6fire_control_input_vol_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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ucontrol->value.integer.value[0] = rt->input_vol[0] + 15;
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ucontrol->value.integer.value[1] = rt->input_vol[1] + 15;
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return 0;
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}
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static int usb6fire_control_line_phono_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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return snd_ctl_enum_info(uinfo, 1, 2, line_phono_texts);
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}
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static int usb6fire_control_line_phono_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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int changed = 0;
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if (rt->line_phono_switch != ucontrol->value.integer.value[0]) {
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rt->line_phono_switch = ucontrol->value.integer.value[0];
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usb6fire_control_line_phono_update(rt);
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changed = 1;
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}
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return changed;
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}
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static int usb6fire_control_line_phono_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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ucontrol->value.integer.value[0] = rt->line_phono_switch;
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return 0;
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}
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static int usb6fire_control_opt_coax_info(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_info *uinfo)
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{
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return snd_ctl_enum_info(uinfo, 1, 2, opt_coax_texts);
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}
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static int usb6fire_control_opt_coax_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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int changed = 0;
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if (rt->opt_coax_switch != ucontrol->value.enumerated.item[0]) {
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rt->opt_coax_switch = ucontrol->value.enumerated.item[0];
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usb6fire_control_opt_coax_update(rt);
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changed = 1;
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}
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return changed;
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}
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static int usb6fire_control_opt_coax_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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ucontrol->value.enumerated.item[0] = rt->opt_coax_switch;
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return 0;
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}
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static int usb6fire_control_digital_thru_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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int changed = 0;
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if (rt->digital_thru_switch != ucontrol->value.integer.value[0]) {
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rt->digital_thru_switch = ucontrol->value.integer.value[0];
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usb6fire_control_streaming_update(rt);
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changed = 1;
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}
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return changed;
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}
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static int usb6fire_control_digital_thru_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
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ucontrol->value.integer.value[0] = rt->digital_thru_switch;
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return 0;
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}
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static const struct snd_kcontrol_new vol_elements[] = {
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{
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Analog Playback Volume",
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.index = 0,
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.private_value = 0,
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
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SNDRV_CTL_ELEM_ACCESS_TLV_READ,
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.info = usb6fire_control_output_vol_info,
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.get = usb6fire_control_output_vol_get,
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.put = usb6fire_control_output_vol_put,
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.tlv = { .p = tlv_output }
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},
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{
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Analog Playback Volume",
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.index = 1,
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.private_value = 2,
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
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SNDRV_CTL_ELEM_ACCESS_TLV_READ,
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.info = usb6fire_control_output_vol_info,
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.get = usb6fire_control_output_vol_get,
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.put = usb6fire_control_output_vol_put,
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.tlv = { .p = tlv_output }
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},
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{
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Analog Playback Volume",
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.index = 2,
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.private_value = 4,
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
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SNDRV_CTL_ELEM_ACCESS_TLV_READ,
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.info = usb6fire_control_output_vol_info,
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.get = usb6fire_control_output_vol_get,
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.put = usb6fire_control_output_vol_put,
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.tlv = { .p = tlv_output }
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},
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{}
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};
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static const struct snd_kcontrol_new mute_elements[] = {
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{
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Analog Playback Switch",
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.index = 0,
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.private_value = 0,
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
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.info = snd_ctl_boolean_stereo_info,
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.get = usb6fire_control_output_mute_get,
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.put = usb6fire_control_output_mute_put,
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},
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{
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Analog Playback Switch",
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.index = 1,
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.private_value = 2,
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
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.info = snd_ctl_boolean_stereo_info,
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.get = usb6fire_control_output_mute_get,
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.put = usb6fire_control_output_mute_put,
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},
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{
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.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
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.name = "Analog Playback Switch",
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.index = 2,
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.private_value = 4,
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.access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
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.info = snd_ctl_boolean_stereo_info,
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.get = usb6fire_control_output_mute_get,
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.put = usb6fire_control_output_mute_put,
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},
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{}
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};
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static const 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,
|
|
const 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_follower(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;
|
|
}
|