![Takashi Iwai](/assets/img/avatar_default.png)
Convert from snd_card_new() to the new snd_card_create() function in other sound subdirectories. Signed-off-by: Takashi Iwai <tiwai@suse.de>
1044 lines
25 KiB
C
1044 lines
25 KiB
C
/* Hewlett-Packard Harmony audio driver
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*
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* This is a driver for the Harmony audio chipset found
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* on the LASI ASIC of various early HP PA-RISC workstations.
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*
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* Copyright (C) 2004, Kyle McMartin <kyle@{debian.org,parisc-linux.org}>
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*
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* Based on the previous Harmony incarnations by,
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* Copyright 2000 (c) Linuxcare Canada, Alex deVries
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* Copyright 2000-2003 (c) Helge Deller
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* Copyright 2001 (c) Matthieu Delahaye
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* Copyright 2001 (c) Jean-Christophe Vaugeois
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* Copyright 2003 (c) Laurent Canet
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* Copyright 2004 (c) Stuart Brady
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License, version 2, as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* Notes:
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* - graveyard and silence buffers last for lifetime of
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* the driver. playback and capture buffers are allocated
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* per _open()/_close().
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*
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* TODO:
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*
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*/
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#include <linux/init.h>
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#include <linux/slab.h>
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#include <linux/time.h>
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#include <linux/wait.h>
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#include <linux/delay.h>
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#include <linux/module.h>
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#include <linux/interrupt.h>
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#include <linux/spinlock.h>
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#include <linux/dma-mapping.h>
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#include <sound/core.h>
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#include <sound/pcm.h>
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#include <sound/control.h>
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#include <sound/rawmidi.h>
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#include <sound/initval.h>
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#include <sound/info.h>
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#include <asm/io.h>
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#include <asm/hardware.h>
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#include <asm/parisc-device.h>
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#include "harmony.h"
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static int index = SNDRV_DEFAULT_IDX1; /* Index 0-MAX */
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static char *id = SNDRV_DEFAULT_STR1; /* ID for this card */
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module_param(index, int, 0444);
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MODULE_PARM_DESC(index, "Index value for Harmony driver.");
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module_param(id, charp, 0444);
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MODULE_PARM_DESC(id, "ID string for Harmony driver.");
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static struct parisc_device_id snd_harmony_devtable[] = {
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/* bushmaster / flounder */
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{ HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x0007A },
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/* 712 / 715 */
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{ HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x0007B },
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/* pace */
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{ HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x0007E },
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/* outfield / coral II */
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{ HPHW_FIO, HVERSION_REV_ANY_ID, HVERSION_ANY_ID, 0x0007F },
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{ 0, }
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};
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MODULE_DEVICE_TABLE(parisc, snd_harmony_devtable);
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#define NAME "harmony"
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#define PFX NAME ": "
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static unsigned int snd_harmony_rates[] = {
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5512, 6615, 8000, 9600,
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11025, 16000, 18900, 22050,
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27428, 32000, 33075, 37800,
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44100, 48000
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};
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static unsigned int rate_bits[14] = {
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HARMONY_SR_5KHZ, HARMONY_SR_6KHZ, HARMONY_SR_8KHZ,
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HARMONY_SR_9KHZ, HARMONY_SR_11KHZ, HARMONY_SR_16KHZ,
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HARMONY_SR_18KHZ, HARMONY_SR_22KHZ, HARMONY_SR_27KHZ,
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HARMONY_SR_32KHZ, HARMONY_SR_33KHZ, HARMONY_SR_37KHZ,
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HARMONY_SR_44KHZ, HARMONY_SR_48KHZ
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};
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static struct snd_pcm_hw_constraint_list hw_constraint_rates = {
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.count = ARRAY_SIZE(snd_harmony_rates),
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.list = snd_harmony_rates,
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.mask = 0,
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};
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static inline unsigned long
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harmony_read(struct snd_harmony *h, unsigned r)
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{
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return __raw_readl(h->iobase + r);
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}
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static inline void
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harmony_write(struct snd_harmony *h, unsigned r, unsigned long v)
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{
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__raw_writel(v, h->iobase + r);
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}
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static inline void
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harmony_wait_for_control(struct snd_harmony *h)
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{
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while (harmony_read(h, HARMONY_CNTL) & HARMONY_CNTL_C) ;
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}
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static inline void
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harmony_reset(struct snd_harmony *h)
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{
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harmony_write(h, HARMONY_RESET, 1);
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mdelay(50);
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harmony_write(h, HARMONY_RESET, 0);
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}
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static void
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harmony_disable_interrupts(struct snd_harmony *h)
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{
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u32 dstatus;
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harmony_wait_for_control(h);
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dstatus = harmony_read(h, HARMONY_DSTATUS);
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dstatus &= ~HARMONY_DSTATUS_IE;
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harmony_write(h, HARMONY_DSTATUS, dstatus);
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}
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static void
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harmony_enable_interrupts(struct snd_harmony *h)
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{
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u32 dstatus;
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harmony_wait_for_control(h);
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dstatus = harmony_read(h, HARMONY_DSTATUS);
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dstatus |= HARMONY_DSTATUS_IE;
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harmony_write(h, HARMONY_DSTATUS, dstatus);
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}
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static void
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harmony_mute(struct snd_harmony *h)
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{
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unsigned long flags;
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spin_lock_irqsave(&h->mixer_lock, flags);
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harmony_wait_for_control(h);
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harmony_write(h, HARMONY_GAINCTL, HARMONY_GAIN_SILENCE);
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spin_unlock_irqrestore(&h->mixer_lock, flags);
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}
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static void
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harmony_unmute(struct snd_harmony *h)
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{
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unsigned long flags;
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spin_lock_irqsave(&h->mixer_lock, flags);
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harmony_wait_for_control(h);
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harmony_write(h, HARMONY_GAINCTL, h->st.gain);
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spin_unlock_irqrestore(&h->mixer_lock, flags);
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}
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static void
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harmony_set_control(struct snd_harmony *h)
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{
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u32 ctrl;
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unsigned long flags;
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spin_lock_irqsave(&h->lock, flags);
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ctrl = (HARMONY_CNTL_C |
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(h->st.format << 6) |
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(h->st.stereo << 5) |
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(h->st.rate));
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harmony_wait_for_control(h);
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harmony_write(h, HARMONY_CNTL, ctrl);
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spin_unlock_irqrestore(&h->lock, flags);
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}
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static irqreturn_t
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snd_harmony_interrupt(int irq, void *dev)
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{
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u32 dstatus;
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struct snd_harmony *h = dev;
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spin_lock(&h->lock);
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harmony_disable_interrupts(h);
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harmony_wait_for_control(h);
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dstatus = harmony_read(h, HARMONY_DSTATUS);
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spin_unlock(&h->lock);
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if (dstatus & HARMONY_DSTATUS_PN) {
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if (h->psubs && h->st.playing) {
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spin_lock(&h->lock);
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h->pbuf.buf += h->pbuf.count; /* PAGE_SIZE */
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h->pbuf.buf %= h->pbuf.size; /* MAX_BUFS*PAGE_SIZE */
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harmony_write(h, HARMONY_PNXTADD,
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h->pbuf.addr + h->pbuf.buf);
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h->stats.play_intr++;
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spin_unlock(&h->lock);
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snd_pcm_period_elapsed(h->psubs);
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} else {
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spin_lock(&h->lock);
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harmony_write(h, HARMONY_PNXTADD, h->sdma.addr);
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h->stats.silence_intr++;
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spin_unlock(&h->lock);
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}
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}
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if (dstatus & HARMONY_DSTATUS_RN) {
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if (h->csubs && h->st.capturing) {
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spin_lock(&h->lock);
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h->cbuf.buf += h->cbuf.count;
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h->cbuf.buf %= h->cbuf.size;
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harmony_write(h, HARMONY_RNXTADD,
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h->cbuf.addr + h->cbuf.buf);
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h->stats.rec_intr++;
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spin_unlock(&h->lock);
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snd_pcm_period_elapsed(h->csubs);
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} else {
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spin_lock(&h->lock);
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harmony_write(h, HARMONY_RNXTADD, h->gdma.addr);
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h->stats.graveyard_intr++;
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spin_unlock(&h->lock);
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}
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}
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spin_lock(&h->lock);
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harmony_enable_interrupts(h);
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spin_unlock(&h->lock);
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return IRQ_HANDLED;
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}
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static unsigned int
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snd_harmony_rate_bits(int rate)
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{
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unsigned int i;
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for (i = 0; i < ARRAY_SIZE(snd_harmony_rates); i++)
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if (snd_harmony_rates[i] == rate)
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return rate_bits[i];
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return HARMONY_SR_44KHZ;
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}
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static struct snd_pcm_hardware snd_harmony_playback =
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{
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.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_JOINT_DUPLEX | SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_BLOCK_TRANSFER),
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.formats = (SNDRV_PCM_FMTBIT_S16_BE | SNDRV_PCM_FMTBIT_MU_LAW |
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SNDRV_PCM_FMTBIT_A_LAW),
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.rates = (SNDRV_PCM_RATE_5512 | SNDRV_PCM_RATE_8000_48000 |
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SNDRV_PCM_RATE_KNOT),
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.rate_min = 5512,
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.rate_max = 48000,
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.channels_min = 1,
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.channels_max = 2,
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.buffer_bytes_max = MAX_BUF_SIZE,
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.period_bytes_min = BUF_SIZE,
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.period_bytes_max = BUF_SIZE,
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.periods_min = 1,
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.periods_max = MAX_BUFS,
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.fifo_size = 0,
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};
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static struct snd_pcm_hardware snd_harmony_capture =
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{
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.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_JOINT_DUPLEX | SNDRV_PCM_INFO_MMAP_VALID |
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SNDRV_PCM_INFO_BLOCK_TRANSFER),
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.formats = (SNDRV_PCM_FMTBIT_S16_BE | SNDRV_PCM_FMTBIT_MU_LAW |
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SNDRV_PCM_FMTBIT_A_LAW),
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.rates = (SNDRV_PCM_RATE_5512 | SNDRV_PCM_RATE_8000_48000 |
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SNDRV_PCM_RATE_KNOT),
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.rate_min = 5512,
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.rate_max = 48000,
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.channels_min = 1,
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.channels_max = 2,
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.buffer_bytes_max = MAX_BUF_SIZE,
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.period_bytes_min = BUF_SIZE,
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.period_bytes_max = BUF_SIZE,
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.periods_min = 1,
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.periods_max = MAX_BUFS,
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.fifo_size = 0,
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};
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static int
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snd_harmony_playback_trigger(struct snd_pcm_substream *ss, int cmd)
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{
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struct snd_harmony *h = snd_pcm_substream_chip(ss);
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if (h->st.capturing)
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return -EBUSY;
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spin_lock(&h->lock);
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switch (cmd) {
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case SNDRV_PCM_TRIGGER_START:
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h->st.playing = 1;
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harmony_write(h, HARMONY_PNXTADD, h->pbuf.addr);
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harmony_write(h, HARMONY_RNXTADD, h->gdma.addr);
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harmony_unmute(h);
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harmony_enable_interrupts(h);
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break;
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case SNDRV_PCM_TRIGGER_STOP:
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h->st.playing = 0;
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harmony_mute(h);
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harmony_write(h, HARMONY_PNXTADD, h->sdma.addr);
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harmony_disable_interrupts(h);
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break;
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case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
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case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
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case SNDRV_PCM_TRIGGER_SUSPEND:
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default:
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spin_unlock(&h->lock);
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snd_BUG();
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return -EINVAL;
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}
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spin_unlock(&h->lock);
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return 0;
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}
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static int
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snd_harmony_capture_trigger(struct snd_pcm_substream *ss, int cmd)
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{
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struct snd_harmony *h = snd_pcm_substream_chip(ss);
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if (h->st.playing)
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return -EBUSY;
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spin_lock(&h->lock);
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switch (cmd) {
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case SNDRV_PCM_TRIGGER_START:
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h->st.capturing = 1;
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harmony_write(h, HARMONY_PNXTADD, h->sdma.addr);
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harmony_write(h, HARMONY_RNXTADD, h->cbuf.addr);
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harmony_unmute(h);
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harmony_enable_interrupts(h);
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break;
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case SNDRV_PCM_TRIGGER_STOP:
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h->st.capturing = 0;
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harmony_mute(h);
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harmony_write(h, HARMONY_RNXTADD, h->gdma.addr);
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harmony_disable_interrupts(h);
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break;
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case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
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case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
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case SNDRV_PCM_TRIGGER_SUSPEND:
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default:
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spin_unlock(&h->lock);
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snd_BUG();
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return -EINVAL;
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}
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spin_unlock(&h->lock);
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return 0;
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}
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static int
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snd_harmony_set_data_format(struct snd_harmony *h, int fmt, int force)
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{
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int o = h->st.format;
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int n;
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switch(fmt) {
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case SNDRV_PCM_FORMAT_S16_BE:
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n = HARMONY_DF_16BIT_LINEAR;
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break;
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case SNDRV_PCM_FORMAT_A_LAW:
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n = HARMONY_DF_8BIT_ALAW;
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break;
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case SNDRV_PCM_FORMAT_MU_LAW:
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n = HARMONY_DF_8BIT_ULAW;
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break;
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default:
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n = HARMONY_DF_16BIT_LINEAR;
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break;
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}
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if (force || o != n) {
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snd_pcm_format_set_silence(fmt, h->sdma.area, SILENCE_BUFSZ /
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(snd_pcm_format_physical_width(fmt)
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/ 8));
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}
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return n;
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}
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static int
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snd_harmony_playback_prepare(struct snd_pcm_substream *ss)
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{
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struct snd_harmony *h = snd_pcm_substream_chip(ss);
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struct snd_pcm_runtime *rt = ss->runtime;
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if (h->st.capturing)
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return -EBUSY;
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h->pbuf.size = snd_pcm_lib_buffer_bytes(ss);
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h->pbuf.count = snd_pcm_lib_period_bytes(ss);
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if (h->pbuf.buf >= h->pbuf.size)
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h->pbuf.buf = 0;
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h->st.playing = 0;
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h->st.rate = snd_harmony_rate_bits(rt->rate);
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h->st.format = snd_harmony_set_data_format(h, rt->format, 0);
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if (rt->channels == 2)
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h->st.stereo = HARMONY_SS_STEREO;
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else
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h->st.stereo = HARMONY_SS_MONO;
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harmony_set_control(h);
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h->pbuf.addr = rt->dma_addr;
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return 0;
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}
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static int
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snd_harmony_capture_prepare(struct snd_pcm_substream *ss)
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{
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struct snd_harmony *h = snd_pcm_substream_chip(ss);
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struct snd_pcm_runtime *rt = ss->runtime;
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if (h->st.playing)
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return -EBUSY;
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h->cbuf.size = snd_pcm_lib_buffer_bytes(ss);
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h->cbuf.count = snd_pcm_lib_period_bytes(ss);
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if (h->cbuf.buf >= h->cbuf.size)
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h->cbuf.buf = 0;
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h->st.capturing = 0;
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h->st.rate = snd_harmony_rate_bits(rt->rate);
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h->st.format = snd_harmony_set_data_format(h, rt->format, 0);
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if (rt->channels == 2)
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h->st.stereo = HARMONY_SS_STEREO;
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else
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h->st.stereo = HARMONY_SS_MONO;
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harmony_set_control(h);
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h->cbuf.addr = rt->dma_addr;
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return 0;
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}
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static snd_pcm_uframes_t
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snd_harmony_playback_pointer(struct snd_pcm_substream *ss)
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{
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struct snd_pcm_runtime *rt = ss->runtime;
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struct snd_harmony *h = snd_pcm_substream_chip(ss);
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unsigned long pcuradd;
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unsigned long played;
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if (!(h->st.playing) || (h->psubs == NULL))
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return 0;
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if ((h->pbuf.addr == 0) || (h->pbuf.size == 0))
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return 0;
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pcuradd = harmony_read(h, HARMONY_PCURADD);
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played = pcuradd - h->pbuf.addr;
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#ifdef HARMONY_DEBUG
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printk(KERN_DEBUG PFX "playback_pointer is 0x%lx-0x%lx = %d bytes\n",
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pcuradd, h->pbuf.addr, played);
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#endif
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if (pcuradd > h->pbuf.addr + h->pbuf.size) {
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return 0;
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}
|
|
|
|
return bytes_to_frames(rt, played);
|
|
}
|
|
|
|
static snd_pcm_uframes_t
|
|
snd_harmony_capture_pointer(struct snd_pcm_substream *ss)
|
|
{
|
|
struct snd_pcm_runtime *rt = ss->runtime;
|
|
struct snd_harmony *h = snd_pcm_substream_chip(ss);
|
|
unsigned long rcuradd;
|
|
unsigned long caught;
|
|
|
|
if (!(h->st.capturing) || (h->csubs == NULL))
|
|
return 0;
|
|
|
|
if ((h->cbuf.addr == 0) || (h->cbuf.size == 0))
|
|
return 0;
|
|
|
|
rcuradd = harmony_read(h, HARMONY_RCURADD);
|
|
caught = rcuradd - h->cbuf.addr;
|
|
|
|
#ifdef HARMONY_DEBUG
|
|
printk(KERN_DEBUG PFX "capture_pointer is 0x%lx-0x%lx = %d bytes\n",
|
|
rcuradd, h->cbuf.addr, caught);
|
|
#endif
|
|
|
|
if (rcuradd > h->cbuf.addr + h->cbuf.size) {
|
|
return 0;
|
|
}
|
|
|
|
return bytes_to_frames(rt, caught);
|
|
}
|
|
|
|
static int
|
|
snd_harmony_playback_open(struct snd_pcm_substream *ss)
|
|
{
|
|
struct snd_harmony *h = snd_pcm_substream_chip(ss);
|
|
struct snd_pcm_runtime *rt = ss->runtime;
|
|
int err;
|
|
|
|
h->psubs = ss;
|
|
rt->hw = snd_harmony_playback;
|
|
snd_pcm_hw_constraint_list(rt, 0, SNDRV_PCM_HW_PARAM_RATE,
|
|
&hw_constraint_rates);
|
|
|
|
err = snd_pcm_hw_constraint_integer(rt, SNDRV_PCM_HW_PARAM_PERIODS);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
snd_harmony_capture_open(struct snd_pcm_substream *ss)
|
|
{
|
|
struct snd_harmony *h = snd_pcm_substream_chip(ss);
|
|
struct snd_pcm_runtime *rt = ss->runtime;
|
|
int err;
|
|
|
|
h->csubs = ss;
|
|
rt->hw = snd_harmony_capture;
|
|
snd_pcm_hw_constraint_list(rt, 0, SNDRV_PCM_HW_PARAM_RATE,
|
|
&hw_constraint_rates);
|
|
|
|
err = snd_pcm_hw_constraint_integer(rt, SNDRV_PCM_HW_PARAM_PERIODS);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
snd_harmony_playback_close(struct snd_pcm_substream *ss)
|
|
{
|
|
struct snd_harmony *h = snd_pcm_substream_chip(ss);
|
|
h->psubs = NULL;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
snd_harmony_capture_close(struct snd_pcm_substream *ss)
|
|
{
|
|
struct snd_harmony *h = snd_pcm_substream_chip(ss);
|
|
h->csubs = NULL;
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
snd_harmony_hw_params(struct snd_pcm_substream *ss,
|
|
struct snd_pcm_hw_params *hw)
|
|
{
|
|
int err;
|
|
struct snd_harmony *h = snd_pcm_substream_chip(ss);
|
|
|
|
err = snd_pcm_lib_malloc_pages(ss, params_buffer_bytes(hw));
|
|
if (err > 0 && h->dma.type == SNDRV_DMA_TYPE_CONTINUOUS)
|
|
ss->runtime->dma_addr = __pa(ss->runtime->dma_area);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int
|
|
snd_harmony_hw_free(struct snd_pcm_substream *ss)
|
|
{
|
|
return snd_pcm_lib_free_pages(ss);
|
|
}
|
|
|
|
static struct snd_pcm_ops snd_harmony_playback_ops = {
|
|
.open = snd_harmony_playback_open,
|
|
.close = snd_harmony_playback_close,
|
|
.ioctl = snd_pcm_lib_ioctl,
|
|
.hw_params = snd_harmony_hw_params,
|
|
.hw_free = snd_harmony_hw_free,
|
|
.prepare = snd_harmony_playback_prepare,
|
|
.trigger = snd_harmony_playback_trigger,
|
|
.pointer = snd_harmony_playback_pointer,
|
|
};
|
|
|
|
static struct snd_pcm_ops snd_harmony_capture_ops = {
|
|
.open = snd_harmony_capture_open,
|
|
.close = snd_harmony_capture_close,
|
|
.ioctl = snd_pcm_lib_ioctl,
|
|
.hw_params = snd_harmony_hw_params,
|
|
.hw_free = snd_harmony_hw_free,
|
|
.prepare = snd_harmony_capture_prepare,
|
|
.trigger = snd_harmony_capture_trigger,
|
|
.pointer = snd_harmony_capture_pointer,
|
|
};
|
|
|
|
static int
|
|
snd_harmony_pcm_init(struct snd_harmony *h)
|
|
{
|
|
struct snd_pcm *pcm;
|
|
int err;
|
|
|
|
harmony_disable_interrupts(h);
|
|
|
|
err = snd_pcm_new(h->card, "harmony", 0, 1, 1, &pcm);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
|
|
&snd_harmony_playback_ops);
|
|
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
|
|
&snd_harmony_capture_ops);
|
|
|
|
pcm->private_data = h;
|
|
pcm->info_flags = 0;
|
|
strcpy(pcm->name, "harmony");
|
|
h->pcm = pcm;
|
|
|
|
h->psubs = NULL;
|
|
h->csubs = NULL;
|
|
|
|
/* initialize graveyard buffer */
|
|
h->dma.type = SNDRV_DMA_TYPE_DEV;
|
|
h->dma.dev = &h->dev->dev;
|
|
err = snd_dma_alloc_pages(h->dma.type,
|
|
h->dma.dev,
|
|
BUF_SIZE*GRAVEYARD_BUFS,
|
|
&h->gdma);
|
|
if (err < 0) {
|
|
printk(KERN_ERR PFX "cannot allocate graveyard buffer!\n");
|
|
return err;
|
|
}
|
|
|
|
/* initialize silence buffers */
|
|
err = snd_dma_alloc_pages(h->dma.type,
|
|
h->dma.dev,
|
|
BUF_SIZE*SILENCE_BUFS,
|
|
&h->sdma);
|
|
if (err < 0) {
|
|
printk(KERN_ERR PFX "cannot allocate silence buffer!\n");
|
|
return err;
|
|
}
|
|
|
|
/* pre-allocate space for DMA */
|
|
err = snd_pcm_lib_preallocate_pages_for_all(pcm, h->dma.type,
|
|
h->dma.dev,
|
|
MAX_BUF_SIZE,
|
|
MAX_BUF_SIZE);
|
|
if (err < 0) {
|
|
printk(KERN_ERR PFX "buffer allocation error: %d\n", err);
|
|
return err;
|
|
}
|
|
|
|
h->st.format = snd_harmony_set_data_format(h,
|
|
SNDRV_PCM_FORMAT_S16_BE, 1);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void
|
|
snd_harmony_set_new_gain(struct snd_harmony *h)
|
|
{
|
|
harmony_wait_for_control(h);
|
|
harmony_write(h, HARMONY_GAINCTL, h->st.gain);
|
|
}
|
|
|
|
static int
|
|
snd_harmony_mixercontrol_info(struct snd_kcontrol *kc,
|
|
struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
int mask = (kc->private_value >> 16) & 0xff;
|
|
int left_shift = (kc->private_value) & 0xff;
|
|
int right_shift = (kc->private_value >> 8) & 0xff;
|
|
|
|
uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN :
|
|
SNDRV_CTL_ELEM_TYPE_INTEGER;
|
|
uinfo->count = left_shift == right_shift ? 1 : 2;
|
|
uinfo->value.integer.min = 0;
|
|
uinfo->value.integer.max = mask;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
snd_harmony_volume_get(struct snd_kcontrol *kc,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_harmony *h = snd_kcontrol_chip(kc);
|
|
int shift_left = (kc->private_value) & 0xff;
|
|
int shift_right = (kc->private_value >> 8) & 0xff;
|
|
int mask = (kc->private_value >> 16) & 0xff;
|
|
int invert = (kc->private_value >> 24) & 0xff;
|
|
int left, right;
|
|
|
|
spin_lock_irq(&h->mixer_lock);
|
|
|
|
left = (h->st.gain >> shift_left) & mask;
|
|
right = (h->st.gain >> shift_right) & mask;
|
|
if (invert) {
|
|
left = mask - left;
|
|
right = mask - right;
|
|
}
|
|
|
|
ucontrol->value.integer.value[0] = left;
|
|
if (shift_left != shift_right)
|
|
ucontrol->value.integer.value[1] = right;
|
|
|
|
spin_unlock_irq(&h->mixer_lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
snd_harmony_volume_put(struct snd_kcontrol *kc,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_harmony *h = snd_kcontrol_chip(kc);
|
|
int shift_left = (kc->private_value) & 0xff;
|
|
int shift_right = (kc->private_value >> 8) & 0xff;
|
|
int mask = (kc->private_value >> 16) & 0xff;
|
|
int invert = (kc->private_value >> 24) & 0xff;
|
|
int left, right;
|
|
int old_gain = h->st.gain;
|
|
|
|
spin_lock_irq(&h->mixer_lock);
|
|
|
|
left = ucontrol->value.integer.value[0] & mask;
|
|
if (invert)
|
|
left = mask - left;
|
|
h->st.gain &= ~( (mask << shift_left ) );
|
|
h->st.gain |= (left << shift_left);
|
|
|
|
if (shift_left != shift_right) {
|
|
right = ucontrol->value.integer.value[1] & mask;
|
|
if (invert)
|
|
right = mask - right;
|
|
h->st.gain &= ~( (mask << shift_right) );
|
|
h->st.gain |= (right << shift_right);
|
|
}
|
|
|
|
snd_harmony_set_new_gain(h);
|
|
|
|
spin_unlock_irq(&h->mixer_lock);
|
|
|
|
return h->st.gain != old_gain;
|
|
}
|
|
|
|
static int
|
|
snd_harmony_captureroute_info(struct snd_kcontrol *kc,
|
|
struct snd_ctl_elem_info *uinfo)
|
|
{
|
|
static char *texts[2] = { "Line", "Mic" };
|
|
uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED;
|
|
uinfo->count = 1;
|
|
uinfo->value.enumerated.items = 2;
|
|
if (uinfo->value.enumerated.item > 1)
|
|
uinfo->value.enumerated.item = 1;
|
|
strcpy(uinfo->value.enumerated.name,
|
|
texts[uinfo->value.enumerated.item]);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
snd_harmony_captureroute_get(struct snd_kcontrol *kc,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_harmony *h = snd_kcontrol_chip(kc);
|
|
int value;
|
|
|
|
spin_lock_irq(&h->mixer_lock);
|
|
|
|
value = (h->st.gain >> HARMONY_GAIN_IS_SHIFT) & 1;
|
|
ucontrol->value.enumerated.item[0] = value;
|
|
|
|
spin_unlock_irq(&h->mixer_lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
snd_harmony_captureroute_put(struct snd_kcontrol *kc,
|
|
struct snd_ctl_elem_value *ucontrol)
|
|
{
|
|
struct snd_harmony *h = snd_kcontrol_chip(kc);
|
|
int value;
|
|
int old_gain = h->st.gain;
|
|
|
|
spin_lock_irq(&h->mixer_lock);
|
|
|
|
value = ucontrol->value.enumerated.item[0] & 1;
|
|
h->st.gain &= ~HARMONY_GAIN_IS_MASK;
|
|
h->st.gain |= value << HARMONY_GAIN_IS_SHIFT;
|
|
|
|
snd_harmony_set_new_gain(h);
|
|
|
|
spin_unlock_irq(&h->mixer_lock);
|
|
|
|
return h->st.gain != old_gain;
|
|
}
|
|
|
|
#define HARMONY_CONTROLS ARRAY_SIZE(snd_harmony_controls)
|
|
|
|
#define HARMONY_VOLUME(xname, left_shift, right_shift, mask, invert) \
|
|
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
|
|
.info = snd_harmony_mixercontrol_info, \
|
|
.get = snd_harmony_volume_get, .put = snd_harmony_volume_put, \
|
|
.private_value = ((left_shift) | ((right_shift) << 8) | \
|
|
((mask) << 16) | ((invert) << 24)) }
|
|
|
|
static struct snd_kcontrol_new snd_harmony_controls[] = {
|
|
HARMONY_VOLUME("Master Playback Volume", HARMONY_GAIN_LO_SHIFT,
|
|
HARMONY_GAIN_RO_SHIFT, HARMONY_GAIN_OUT, 1),
|
|
HARMONY_VOLUME("Capture Volume", HARMONY_GAIN_LI_SHIFT,
|
|
HARMONY_GAIN_RI_SHIFT, HARMONY_GAIN_IN, 0),
|
|
HARMONY_VOLUME("Monitor Volume", HARMONY_GAIN_MA_SHIFT,
|
|
HARMONY_GAIN_MA_SHIFT, HARMONY_GAIN_MA, 1),
|
|
{
|
|
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
|
|
.name = "Input Route",
|
|
.info = snd_harmony_captureroute_info,
|
|
.get = snd_harmony_captureroute_get,
|
|
.put = snd_harmony_captureroute_put
|
|
},
|
|
HARMONY_VOLUME("Internal Speaker Switch", HARMONY_GAIN_SE_SHIFT,
|
|
HARMONY_GAIN_SE_SHIFT, 1, 0),
|
|
HARMONY_VOLUME("Line-Out Switch", HARMONY_GAIN_LE_SHIFT,
|
|
HARMONY_GAIN_LE_SHIFT, 1, 0),
|
|
HARMONY_VOLUME("Headphones Switch", HARMONY_GAIN_HE_SHIFT,
|
|
HARMONY_GAIN_HE_SHIFT, 1, 0),
|
|
};
|
|
|
|
static void __devinit
|
|
snd_harmony_mixer_reset(struct snd_harmony *h)
|
|
{
|
|
harmony_mute(h);
|
|
harmony_reset(h);
|
|
h->st.gain = HARMONY_GAIN_DEFAULT;
|
|
harmony_unmute(h);
|
|
}
|
|
|
|
static int __devinit
|
|
snd_harmony_mixer_init(struct snd_harmony *h)
|
|
{
|
|
struct snd_card *card = h->card;
|
|
int idx, err;
|
|
|
|
if (snd_BUG_ON(!h))
|
|
return -EINVAL;
|
|
strcpy(card->mixername, "Harmony Gain control interface");
|
|
|
|
for (idx = 0; idx < HARMONY_CONTROLS; idx++) {
|
|
err = snd_ctl_add(card,
|
|
snd_ctl_new1(&snd_harmony_controls[idx], h));
|
|
if (err < 0)
|
|
return err;
|
|
}
|
|
|
|
snd_harmony_mixer_reset(h);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
snd_harmony_free(struct snd_harmony *h)
|
|
{
|
|
if (h->gdma.addr)
|
|
snd_dma_free_pages(&h->gdma);
|
|
if (h->sdma.addr)
|
|
snd_dma_free_pages(&h->sdma);
|
|
|
|
if (h->irq >= 0)
|
|
free_irq(h->irq, h);
|
|
|
|
if (h->iobase)
|
|
iounmap(h->iobase);
|
|
|
|
parisc_set_drvdata(h->dev, NULL);
|
|
|
|
kfree(h);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
snd_harmony_dev_free(struct snd_device *dev)
|
|
{
|
|
struct snd_harmony *h = dev->device_data;
|
|
return snd_harmony_free(h);
|
|
}
|
|
|
|
static int __devinit
|
|
snd_harmony_create(struct snd_card *card,
|
|
struct parisc_device *padev,
|
|
struct snd_harmony **rchip)
|
|
{
|
|
int err;
|
|
struct snd_harmony *h;
|
|
static struct snd_device_ops ops = {
|
|
.dev_free = snd_harmony_dev_free,
|
|
};
|
|
|
|
*rchip = NULL;
|
|
|
|
h = kzalloc(sizeof(*h), GFP_KERNEL);
|
|
if (h == NULL)
|
|
return -ENOMEM;
|
|
|
|
h->hpa = padev->hpa.start;
|
|
h->card = card;
|
|
h->dev = padev;
|
|
h->irq = -1;
|
|
h->iobase = ioremap_nocache(padev->hpa.start, HARMONY_SIZE);
|
|
if (h->iobase == NULL) {
|
|
printk(KERN_ERR PFX "unable to remap hpa 0x%lx\n",
|
|
padev->hpa.start);
|
|
err = -EBUSY;
|
|
goto free_and_ret;
|
|
}
|
|
|
|
err = request_irq(padev->irq, snd_harmony_interrupt, 0,
|
|
"harmony", h);
|
|
if (err) {
|
|
printk(KERN_ERR PFX "could not obtain interrupt %d",
|
|
padev->irq);
|
|
goto free_and_ret;
|
|
}
|
|
h->irq = padev->irq;
|
|
|
|
spin_lock_init(&h->mixer_lock);
|
|
spin_lock_init(&h->lock);
|
|
|
|
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL,
|
|
h, &ops)) < 0) {
|
|
goto free_and_ret;
|
|
}
|
|
|
|
snd_card_set_dev(card, &padev->dev);
|
|
|
|
*rchip = h;
|
|
|
|
return 0;
|
|
|
|
free_and_ret:
|
|
snd_harmony_free(h);
|
|
return err;
|
|
}
|
|
|
|
static int __devinit
|
|
snd_harmony_probe(struct parisc_device *padev)
|
|
{
|
|
int err;
|
|
struct snd_card *card;
|
|
struct snd_harmony *h;
|
|
|
|
err = snd_card_create(index, id, THIS_MODULE, 0, &card);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = snd_harmony_create(card, padev, &h);
|
|
if (err < 0)
|
|
goto free_and_ret;
|
|
|
|
err = snd_harmony_pcm_init(h);
|
|
if (err < 0)
|
|
goto free_and_ret;
|
|
|
|
err = snd_harmony_mixer_init(h);
|
|
if (err < 0)
|
|
goto free_and_ret;
|
|
|
|
strcpy(card->driver, "harmony");
|
|
strcpy(card->shortname, "Harmony");
|
|
sprintf(card->longname, "%s at 0x%lx, irq %i",
|
|
card->shortname, h->hpa, h->irq);
|
|
|
|
err = snd_card_register(card);
|
|
if (err < 0)
|
|
goto free_and_ret;
|
|
|
|
parisc_set_drvdata(padev, card);
|
|
return 0;
|
|
|
|
free_and_ret:
|
|
snd_card_free(card);
|
|
return err;
|
|
}
|
|
|
|
static int __devexit
|
|
snd_harmony_remove(struct parisc_device *padev)
|
|
{
|
|
snd_card_free(parisc_get_drvdata(padev));
|
|
parisc_set_drvdata(padev, NULL);
|
|
return 0;
|
|
}
|
|
|
|
static struct parisc_driver snd_harmony_driver = {
|
|
.name = "harmony",
|
|
.id_table = snd_harmony_devtable,
|
|
.probe = snd_harmony_probe,
|
|
.remove = snd_harmony_remove,
|
|
};
|
|
|
|
static int __init
|
|
alsa_harmony_init(void)
|
|
{
|
|
return register_parisc_driver(&snd_harmony_driver);
|
|
}
|
|
|
|
static void __exit
|
|
alsa_harmony_fini(void)
|
|
{
|
|
unregister_parisc_driver(&snd_harmony_driver);
|
|
}
|
|
|
|
MODULE_LICENSE("GPL");
|
|
MODULE_AUTHOR("Kyle McMartin <kyle@parisc-linux.org>");
|
|
MODULE_DESCRIPTION("Harmony sound driver");
|
|
|
|
module_init(alsa_harmony_init);
|
|
module_exit(alsa_harmony_fini);
|