371 lines
11 KiB
C
371 lines
11 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* ALSA driver for ICEnsemble ICE1712 (Envy24)
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*
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* Lowlevel functions for Hoontech STDSP24
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*
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* Copyright (c) 2000 Jaroslav Kysela <perex@perex.cz>
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*/
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#include <linux/delay.h>
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#include <linux/interrupt.h>
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/mutex.h>
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#include <sound/core.h>
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#include "ice1712.h"
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#include "hoontech.h"
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/* Hoontech-specific setting */
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struct hoontech_spec {
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unsigned char boxbits[4];
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unsigned int config;
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unsigned short boxconfig[4];
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};
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static void snd_ice1712_stdsp24_gpio_write(struct snd_ice1712 *ice, unsigned char byte)
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{
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byte |= ICE1712_STDSP24_CLOCK_BIT;
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udelay(100);
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snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, byte);
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byte &= ~ICE1712_STDSP24_CLOCK_BIT;
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udelay(100);
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snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, byte);
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byte |= ICE1712_STDSP24_CLOCK_BIT;
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udelay(100);
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snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, byte);
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}
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static void snd_ice1712_stdsp24_darear(struct snd_ice1712 *ice, int activate)
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{
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struct hoontech_spec *spec = ice->spec;
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mutex_lock(&ice->gpio_mutex);
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ICE1712_STDSP24_0_DAREAR(spec->boxbits, activate);
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snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[0]);
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mutex_unlock(&ice->gpio_mutex);
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}
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static void snd_ice1712_stdsp24_mute(struct snd_ice1712 *ice, int activate)
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{
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struct hoontech_spec *spec = ice->spec;
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mutex_lock(&ice->gpio_mutex);
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ICE1712_STDSP24_3_MUTE(spec->boxbits, activate);
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snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[3]);
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mutex_unlock(&ice->gpio_mutex);
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}
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static void snd_ice1712_stdsp24_insel(struct snd_ice1712 *ice, int activate)
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{
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struct hoontech_spec *spec = ice->spec;
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mutex_lock(&ice->gpio_mutex);
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ICE1712_STDSP24_3_INSEL(spec->boxbits, activate);
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snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[3]);
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mutex_unlock(&ice->gpio_mutex);
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}
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static void snd_ice1712_stdsp24_box_channel(struct snd_ice1712 *ice, int box, int chn, int activate)
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{
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struct hoontech_spec *spec = ice->spec;
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mutex_lock(&ice->gpio_mutex);
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/* select box */
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ICE1712_STDSP24_0_BOX(spec->boxbits, box);
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snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[0]);
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/* prepare for write */
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if (chn == 3)
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ICE1712_STDSP24_2_CHN4(spec->boxbits, 0);
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ICE1712_STDSP24_2_MIDI1(spec->boxbits, activate);
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snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
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snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[3]);
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ICE1712_STDSP24_1_CHN1(spec->boxbits, 1);
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ICE1712_STDSP24_1_CHN2(spec->boxbits, 1);
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ICE1712_STDSP24_1_CHN3(spec->boxbits, 1);
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ICE1712_STDSP24_2_CHN4(spec->boxbits, 1);
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snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[1]);
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snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
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udelay(100);
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if (chn == 3) {
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ICE1712_STDSP24_2_CHN4(spec->boxbits, 0);
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snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
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} else {
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switch (chn) {
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case 0: ICE1712_STDSP24_1_CHN1(spec->boxbits, 0); break;
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case 1: ICE1712_STDSP24_1_CHN2(spec->boxbits, 0); break;
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case 2: ICE1712_STDSP24_1_CHN3(spec->boxbits, 0); break;
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}
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snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[1]);
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}
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udelay(100);
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ICE1712_STDSP24_1_CHN1(spec->boxbits, 1);
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ICE1712_STDSP24_1_CHN2(spec->boxbits, 1);
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ICE1712_STDSP24_1_CHN3(spec->boxbits, 1);
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ICE1712_STDSP24_2_CHN4(spec->boxbits, 1);
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snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[1]);
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snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
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udelay(100);
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ICE1712_STDSP24_2_MIDI1(spec->boxbits, 0);
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snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
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mutex_unlock(&ice->gpio_mutex);
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}
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static void snd_ice1712_stdsp24_box_midi(struct snd_ice1712 *ice, int box, int master)
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{
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struct hoontech_spec *spec = ice->spec;
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mutex_lock(&ice->gpio_mutex);
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/* select box */
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ICE1712_STDSP24_0_BOX(spec->boxbits, box);
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snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[0]);
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ICE1712_STDSP24_2_MIDIIN(spec->boxbits, 1);
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ICE1712_STDSP24_2_MIDI1(spec->boxbits, master);
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snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
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snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[3]);
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udelay(100);
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ICE1712_STDSP24_2_MIDIIN(spec->boxbits, 0);
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snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
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mdelay(10);
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ICE1712_STDSP24_2_MIDIIN(spec->boxbits, 1);
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snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[2]);
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mutex_unlock(&ice->gpio_mutex);
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}
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static void snd_ice1712_stdsp24_midi2(struct snd_ice1712 *ice, int activate)
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{
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struct hoontech_spec *spec = ice->spec;
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mutex_lock(&ice->gpio_mutex);
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ICE1712_STDSP24_3_MIDI2(spec->boxbits, activate);
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snd_ice1712_stdsp24_gpio_write(ice, spec->boxbits[3]);
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mutex_unlock(&ice->gpio_mutex);
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}
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static int hoontech_init(struct snd_ice1712 *ice, bool staudio)
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{
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struct hoontech_spec *spec;
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int box, chn;
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ice->num_total_dacs = 8;
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ice->num_total_adcs = 8;
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spec = kzalloc(sizeof(*spec), GFP_KERNEL);
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if (!spec)
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return -ENOMEM;
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ice->spec = spec;
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ICE1712_STDSP24_SET_ADDR(spec->boxbits, 0);
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ICE1712_STDSP24_CLOCK(spec->boxbits, 0, 1);
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ICE1712_STDSP24_0_BOX(spec->boxbits, 0);
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ICE1712_STDSP24_0_DAREAR(spec->boxbits, 0);
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ICE1712_STDSP24_SET_ADDR(spec->boxbits, 1);
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ICE1712_STDSP24_CLOCK(spec->boxbits, 1, 1);
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ICE1712_STDSP24_1_CHN1(spec->boxbits, 1);
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ICE1712_STDSP24_1_CHN2(spec->boxbits, 1);
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ICE1712_STDSP24_1_CHN3(spec->boxbits, 1);
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ICE1712_STDSP24_SET_ADDR(spec->boxbits, 2);
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ICE1712_STDSP24_CLOCK(spec->boxbits, 2, 1);
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ICE1712_STDSP24_2_CHN4(spec->boxbits, 1);
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ICE1712_STDSP24_2_MIDIIN(spec->boxbits, 1);
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ICE1712_STDSP24_2_MIDI1(spec->boxbits, 0);
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ICE1712_STDSP24_SET_ADDR(spec->boxbits, 3);
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ICE1712_STDSP24_CLOCK(spec->boxbits, 3, 1);
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ICE1712_STDSP24_3_MIDI2(spec->boxbits, 0);
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ICE1712_STDSP24_3_MUTE(spec->boxbits, 1);
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ICE1712_STDSP24_3_INSEL(spec->boxbits, 0);
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/* let's go - activate only functions in first box */
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if (staudio)
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spec->config = ICE1712_STDSP24_MUTE;
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else
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spec->config = 0;
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/* ICE1712_STDSP24_MUTE |
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ICE1712_STDSP24_INSEL |
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ICE1712_STDSP24_DAREAR; */
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/* These boxconfigs have caused problems in the past.
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* The code is not optimal, but should now enable a working config to
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* be achieved.
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* ** MIDI IN can only be configured on one box **
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* ICE1712_STDSP24_BOX_MIDI1 needs to be set for that box.
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* Tests on a ADAC2000 box suggest the box config flags do not
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* work as would be expected, and the inputs are crossed.
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* Setting ICE1712_STDSP24_BOX_MIDI1 and ICE1712_STDSP24_BOX_MIDI2
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* on the same box connects MIDI-In to both 401 uarts; both outputs
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* are then active on all boxes.
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* The default config here sets up everything on the first box.
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* Alan Horstmann 5.2.2008
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*/
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spec->boxconfig[0] = ICE1712_STDSP24_BOX_CHN1 |
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ICE1712_STDSP24_BOX_CHN2 |
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ICE1712_STDSP24_BOX_CHN3 |
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ICE1712_STDSP24_BOX_CHN4 |
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ICE1712_STDSP24_BOX_MIDI1 |
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ICE1712_STDSP24_BOX_MIDI2;
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if (staudio) {
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spec->boxconfig[1] =
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spec->boxconfig[2] =
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spec->boxconfig[3] = spec->boxconfig[0];
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} else {
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spec->boxconfig[1] =
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spec->boxconfig[2] =
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spec->boxconfig[3] = 0;
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}
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snd_ice1712_stdsp24_darear(ice,
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(spec->config & ICE1712_STDSP24_DAREAR) ? 1 : 0);
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snd_ice1712_stdsp24_mute(ice,
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(spec->config & ICE1712_STDSP24_MUTE) ? 1 : 0);
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snd_ice1712_stdsp24_insel(ice,
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(spec->config & ICE1712_STDSP24_INSEL) ? 1 : 0);
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for (box = 0; box < 4; box++) {
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if (spec->boxconfig[box] & ICE1712_STDSP24_BOX_MIDI2)
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snd_ice1712_stdsp24_midi2(ice, 1);
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for (chn = 0; chn < 4; chn++)
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snd_ice1712_stdsp24_box_channel(ice, box, chn,
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(spec->boxconfig[box] & (1 << chn)) ? 1 : 0);
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if (spec->boxconfig[box] & ICE1712_STDSP24_BOX_MIDI1)
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snd_ice1712_stdsp24_box_midi(ice, box, 1);
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}
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return 0;
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}
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static int snd_ice1712_hoontech_init(struct snd_ice1712 *ice)
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{
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return hoontech_init(ice, false);
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}
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static int snd_ice1712_staudio_init(struct snd_ice1712 *ice)
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{
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return hoontech_init(ice, true);
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}
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/*
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* AK4524 access
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*/
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/* start callback for STDSP24 with modified hardware */
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static void stdsp24_ak4524_lock(struct snd_akm4xxx *ak, int chip)
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{
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struct snd_ice1712 *ice = ak->private_data[0];
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unsigned char tmp;
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snd_ice1712_save_gpio_status(ice);
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tmp = ICE1712_STDSP24_SERIAL_DATA |
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ICE1712_STDSP24_SERIAL_CLOCK |
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ICE1712_STDSP24_AK4524_CS;
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snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION,
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ice->gpio.direction | tmp);
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snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ~tmp);
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}
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static int snd_ice1712_value_init(struct snd_ice1712 *ice)
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{
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/* Hoontech STDSP24 with modified hardware */
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static const struct snd_akm4xxx akm_stdsp24_mv = {
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.num_adcs = 2,
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.num_dacs = 2,
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.type = SND_AK4524,
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.ops = {
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.lock = stdsp24_ak4524_lock
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}
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};
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static const struct snd_ak4xxx_private akm_stdsp24_mv_priv = {
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.caddr = 2,
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.cif = 1, /* CIF high */
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.data_mask = ICE1712_STDSP24_SERIAL_DATA,
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.clk_mask = ICE1712_STDSP24_SERIAL_CLOCK,
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.cs_mask = ICE1712_STDSP24_AK4524_CS,
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.cs_addr = ICE1712_STDSP24_AK4524_CS,
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.cs_none = 0,
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.add_flags = 0,
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};
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int err;
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struct snd_akm4xxx *ak;
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/* set the analog DACs */
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ice->num_total_dacs = 2;
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/* set the analog ADCs */
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ice->num_total_adcs = 2;
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/* analog section */
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ak = ice->akm = kmalloc(sizeof(struct snd_akm4xxx), GFP_KERNEL);
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if (! ak)
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return -ENOMEM;
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ice->akm_codecs = 1;
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err = snd_ice1712_akm4xxx_init(ak, &akm_stdsp24_mv, &akm_stdsp24_mv_priv, ice);
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if (err < 0)
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return err;
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/* ak4524 controls */
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return snd_ice1712_akm4xxx_build_controls(ice);
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}
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static int snd_ice1712_ez8_init(struct snd_ice1712 *ice)
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{
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ice->gpio.write_mask = ice->eeprom.gpiomask;
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ice->gpio.direction = ice->eeprom.gpiodir;
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snd_ice1712_write(ice, ICE1712_IREG_GPIO_WRITE_MASK, ice->eeprom.gpiomask);
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snd_ice1712_write(ice, ICE1712_IREG_GPIO_DIRECTION, ice->eeprom.gpiodir);
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snd_ice1712_write(ice, ICE1712_IREG_GPIO_DATA, ice->eeprom.gpiostate);
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return 0;
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}
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/* entry point */
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struct snd_ice1712_card_info snd_ice1712_hoontech_cards[] = {
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{
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.subvendor = ICE1712_SUBDEVICE_STDSP24,
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.name = "Hoontech SoundTrack Audio DSP24",
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.model = "dsp24",
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.chip_init = snd_ice1712_hoontech_init,
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.mpu401_1_name = "MIDI-1 Hoontech/STA DSP24",
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.mpu401_2_name = "MIDI-2 Hoontech/STA DSP24",
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},
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{
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.subvendor = ICE1712_SUBDEVICE_STDSP24_VALUE, /* a dummy id */
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.name = "Hoontech SoundTrack Audio DSP24 Value",
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.model = "dsp24_value",
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.chip_init = snd_ice1712_value_init,
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},
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{
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.subvendor = ICE1712_SUBDEVICE_STDSP24_MEDIA7_1,
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.name = "Hoontech STA DSP24 Media 7.1",
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.model = "dsp24_71",
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.chip_init = snd_ice1712_hoontech_init,
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},
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{
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.subvendor = ICE1712_SUBDEVICE_EVENT_EZ8, /* a dummy id */
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.name = "Event Electronics EZ8",
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.model = "ez8",
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.chip_init = snd_ice1712_ez8_init,
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},
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{
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/* STAudio ADCIII has the same SSID as Hoontech StA DSP24,
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* thus identified only via the explicit model option
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*/
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.subvendor = ICE1712_SUBDEVICE_STAUDIO_ADCIII, /* a dummy id */
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.name = "STAudio ADCIII",
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.model = "staudio",
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.chip_init = snd_ice1712_staudio_init,
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},
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{ } /* terminator */
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};
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