diff options
Diffstat (limited to 'sound/pci/emu10k1/irq.c')
| -rw-r--r-- | sound/pci/emu10k1/irq.c | 102 |
1 files changed, 28 insertions, 74 deletions
diff --git a/sound/pci/emu10k1/irq.c b/sound/pci/emu10k1/irq.c index 30bfed6f8339..71aa90b9cc88 100644 --- a/sound/pci/emu10k1/irq.c +++ b/sound/pci/emu10k1/irq.c @@ -1,28 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright (c) by Jaroslav Kysela <perex@perex.cz> * Creative Labs, Inc. * Routines for IRQ control of EMU10K1 chips - * - * BUGS: - * -- - * - * TODO: - * -- - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - * */ #include <linux/time.h> @@ -32,20 +12,24 @@ irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id) { struct snd_emu10k1 *emu = dev_id; - unsigned int status, status2, orig_status, orig_status2; + unsigned int status, orig_status; int handled = 0; int timeout = 0; - while (((status = inl(emu->port + IPR)) != 0) && (timeout < 1000)) { - timeout++; - orig_status = status; + while ((status = inl(emu->port + IPR)) != 0) { handled = 1; if ((status & 0xffffffff) == 0xffffffff) { - snd_printk(KERN_INFO "snd-emu10k1: Suspected sound card removal\n"); + dev_info(emu->card->dev, + "Suspected sound card removal\n"); + break; + } + if (++timeout == 1000) { + dev_info(emu->card->dev, "emu10k1 irq routine failure\n"); break; } + orig_status = status; if (status & IPR_PCIERROR) { - snd_printk(KERN_ERR "interrupt: PCI error\n"); + dev_err(emu->card->dev, "interrupt: PCI error\n"); snd_emu10k1_intr_disable(emu, INTE_PCIERRORENABLE); status &= ~IPR_PCIERROR; } @@ -57,12 +41,13 @@ irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id) status &= ~(IPR_VOLINCR|IPR_VOLDECR|IPR_MUTE); } if (status & IPR_CHANNELLOOP) { + struct snd_emu10k1_voice *pvoice; int voice; int voice_max = status & IPR_CHANNELNUMBERMASK; u32 val; - struct snd_emu10k1_voice *pvoice = emu->voices; val = snd_emu10k1_ptr_read(emu, CLIPL, 0); + pvoice = emu->voices; for (voice = 0; voice <= voice_max; voice++) { if (voice == 0x20) val = snd_emu10k1_ptr_read(emu, CLIPH, 0); @@ -78,6 +63,7 @@ irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id) pvoice++; } val = snd_emu10k1_ptr_read(emu, HLIPL, 0); + pvoice = emu->voices; for (voice = 0; voice <= voice_max; voice++) { if (voice == 0x20) val = snd_emu10k1_ptr_read(emu, HLIPH, 0); @@ -92,9 +78,8 @@ irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id) val >>= 1; pvoice++; } - status &= ~IPR_CHANNELLOOP; + status &= ~(IPR_CHANNELLOOP | IPR_CHANNELNUMBERMASK); } - status &= ~IPR_CHANNELNUMBERMASK; if (status & (IPR_ADCBUFFULL|IPR_ADCBUFHALFFULL)) { if (emu->capture_interrupt) emu->capture_interrupt(emu, status); @@ -152,57 +137,26 @@ irqreturn_t snd_emu10k1_interrupt(int irq, void *dev_id) status &= ~IPR_FXDSP; } if (status & IPR_P16V) { - while ((status2 = inl(emu->port + IPR2)) != 0) { - u32 mask = INTE2_PLAYBACK_CH_0_LOOP; /* Full Loop */ - struct snd_emu10k1_voice *pvoice = &(emu->p16v_voices[0]); - struct snd_emu10k1_voice *cvoice = &(emu->p16v_capture_voice); - - //printk(KERN_INFO "status2=0x%x\n", status2); - orig_status2 = status2; - if(status2 & mask) { - if(pvoice->use) { - snd_pcm_period_elapsed(pvoice->epcm->substream); - } else { - snd_printk(KERN_ERR "p16v: status: 0x%08x, mask=0x%08x, pvoice=%p, use=%d\n", status2, mask, pvoice, pvoice->use); - } - } - if(status2 & 0x110000) { - //printk(KERN_INFO "capture int found\n"); - if(cvoice->use) { - //printk(KERN_INFO "capture period_elapsed\n"); - snd_pcm_period_elapsed(cvoice->epcm->substream); - } - } - outl(orig_status2, emu->port + IPR2); /* ack all */ - } + if (emu->p16v_interrupt) + emu->p16v_interrupt(emu); + else + outl(0, emu->port + INTE2); status &= ~IPR_P16V; } + if (status & IPR_A_GPIO) { + if (emu->gpio_interrupt) + emu->gpio_interrupt(emu); + else + snd_emu10k1_intr_disable(emu, INTE_A_GPIOENABLE); + status &= ~IPR_A_GPIO; + } if (status) { - unsigned int bits; - snd_printk(KERN_ERR "emu10k1: unhandled interrupt: 0x%08x\n", status); - //make sure any interrupts we don't handle are disabled: - bits = INTE_FXDSPENABLE | - INTE_PCIERRORENABLE | - INTE_VOLINCRENABLE | - INTE_VOLDECRENABLE | - INTE_MUTEENABLE | - INTE_MICBUFENABLE | - INTE_ADCBUFENABLE | - INTE_EFXBUFENABLE | - INTE_GPSPDIFENABLE | - INTE_CDSPDIFENABLE | - INTE_INTERVALTIMERENB | - INTE_MIDITXENABLE | - INTE_MIDIRXENABLE; - if (emu->audigy) - bits |= INTE_A_MIDITXENABLE2 | INTE_A_MIDIRXENABLE2; - snd_emu10k1_intr_disable(emu, bits); + dev_err(emu->card->dev, + "unhandled interrupt: 0x%08x\n", status); } outl(orig_status, emu->port + IPR); /* ack all */ } - if (timeout == 1000) - snd_printk(KERN_INFO "emu10k1 irq routine failure\n"); return IRQ_RETVAL(handled); } |