mirror of https://gitee.com/openkylin/linux.git
871 lines
23 KiB
C
871 lines
23 KiB
C
/*
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* als300.c - driver for Avance Logic ALS300/ALS300+ soundcards.
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* Copyright (C) 2005 by Ash Willis <ashwillis@programmer.net>
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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 as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* TODO
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* 4 channel playback for ALS300+
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* gameport
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* mpu401
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* opl3
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*
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* NOTES
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* The BLOCK_COUNTER registers for the ALS300(+) return a figure related to
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* the position in the current period, NOT the whole buffer. It is important
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* to know which period we are in so we can calculate the correct pointer.
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* This is why we always use 2 periods. We can then use a flip-flop variable
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* to keep track of what period we are in.
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*/
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#include <linux/delay.h>
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#include <linux/init.h>
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#include <linux/moduleparam.h>
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#include <linux/pci.h>
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#include <linux/dma-mapping.h>
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#include <linux/interrupt.h>
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#include <linux/slab.h>
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#include <asm/io.h>
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#include <sound/core.h>
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#include <sound/control.h>
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#include <sound/initval.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include <sound/ac97_codec.h>
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#include <sound/opl3.h>
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/* snd_als300_set_irq_flag */
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#define IRQ_DISABLE 0
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#define IRQ_ENABLE 1
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/* I/O port layout */
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#define AC97_ACCESS 0x00
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#define AC97_READ 0x04
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#define AC97_STATUS 0x06
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#define AC97_DATA_AVAIL (1<<6)
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#define AC97_BUSY (1<<7)
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#define ALS300_IRQ_STATUS 0x07 /* ALS300 Only */
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#define IRQ_PLAYBACK (1<<3)
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#define IRQ_CAPTURE (1<<2)
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#define GCR_DATA 0x08
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#define GCR_INDEX 0x0C
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#define ALS300P_DRAM_IRQ_STATUS 0x0D /* ALS300+ Only */
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#define MPU_IRQ_STATUS 0x0E /* ALS300 Rev. E+, ALS300+ */
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#define ALS300P_IRQ_STATUS 0x0F /* ALS300+ Only */
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/* General Control Registers */
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#define PLAYBACK_START 0x80
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#define PLAYBACK_END 0x81
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#define PLAYBACK_CONTROL 0x82
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#define TRANSFER_START (1<<16)
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#define FIFO_PAUSE (1<<17)
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#define RECORD_START 0x83
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#define RECORD_END 0x84
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#define RECORD_CONTROL 0x85
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#define DRAM_WRITE_CONTROL 0x8B
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#define WRITE_TRANS_START (1<<16)
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#define DRAM_MODE_2 (1<<17)
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#define MISC_CONTROL 0x8C
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#define IRQ_SET_BIT (1<<15)
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#define VMUTE_NORMAL (1<<20)
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#define MMUTE_NORMAL (1<<21)
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#define MUS_VOC_VOL 0x8E
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#define PLAYBACK_BLOCK_COUNTER 0x9A
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#define RECORD_BLOCK_COUNTER 0x9B
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#define DEBUG_CALLS 0
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#define DEBUG_PLAY_REC 0
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#if DEBUG_CALLS
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#define snd_als300_dbgcalls(format, args...) printk(format, ##args)
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#define snd_als300_dbgcallenter() printk(KERN_ERR "--> %s\n", __FUNCTION__)
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#define snd_als300_dbgcallleave() printk(KERN_ERR "<-- %s\n", __FUNCTION__)
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#else
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#define snd_als300_dbgcalls(format, args...)
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#define snd_als300_dbgcallenter()
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#define snd_als300_dbgcallleave()
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#endif
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#if DEBUG_PLAY_REC
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#define snd_als300_dbgplay(format, args...) printk(KERN_ERR format, ##args)
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#else
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#define snd_als300_dbgplay(format, args...)
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#endif
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enum {DEVICE_ALS300, DEVICE_ALS300_PLUS};
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MODULE_AUTHOR("Ash Willis <ashwillis@programmer.net>");
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MODULE_DESCRIPTION("Avance Logic ALS300");
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MODULE_LICENSE("GPL");
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MODULE_SUPPORTED_DEVICE("{{Avance Logic,ALS300},{Avance Logic,ALS300+}}");
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static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX;
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static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR;
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static int enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP;
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struct snd_als300 {
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unsigned long port;
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spinlock_t reg_lock;
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struct snd_card *card;
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struct pci_dev *pci;
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struct snd_pcm *pcm;
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struct snd_pcm_substream *playback_substream;
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struct snd_pcm_substream *capture_substream;
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struct snd_ac97 *ac97;
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struct snd_opl3 *opl3;
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struct resource *res_port;
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int irq;
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int chip_type; /* ALS300 or ALS300+ */
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char revision;
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};
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struct snd_als300_substream_data {
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int period_flipflop;
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int control_register;
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int block_counter_register;
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};
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static struct pci_device_id snd_als300_ids[] = {
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{ 0x4005, 0x0300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_ALS300 },
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{ 0x4005, 0x0308, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_ALS300_PLUS },
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{ 0, }
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};
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MODULE_DEVICE_TABLE(pci, snd_als300_ids);
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static inline u32 snd_als300_gcr_read(unsigned long port, unsigned short reg)
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{
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outb(reg, port+GCR_INDEX);
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return inl(port+GCR_DATA);
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}
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static inline void snd_als300_gcr_write(unsigned long port,
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unsigned short reg, u32 val)
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{
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outb(reg, port+GCR_INDEX);
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outl(val, port+GCR_DATA);
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}
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/* Enable/Disable Interrupts */
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static void snd_als300_set_irq_flag(struct snd_als300 *chip, int cmd)
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{
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u32 tmp = snd_als300_gcr_read(chip->port, MISC_CONTROL);
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snd_als300_dbgcallenter();
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/* boolean XOR check, since old vs. new hardware have
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directly reversed bit setting for ENABLE and DISABLE.
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ALS300+ acts like newer versions of ALS300 */
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if (((chip->revision > 5 || chip->chip_type == DEVICE_ALS300_PLUS) ^
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(cmd == IRQ_ENABLE)) == 0)
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tmp |= IRQ_SET_BIT;
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else
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tmp &= ~IRQ_SET_BIT;
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snd_als300_gcr_write(chip->port, MISC_CONTROL, tmp);
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snd_als300_dbgcallleave();
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}
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static int snd_als300_free(struct snd_als300 *chip)
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{
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snd_als300_dbgcallenter();
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snd_als300_set_irq_flag(chip, IRQ_DISABLE);
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if (chip->irq >= 0)
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free_irq(chip->irq, chip);
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pci_release_regions(chip->pci);
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pci_disable_device(chip->pci);
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kfree(chip);
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snd_als300_dbgcallleave();
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return 0;
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}
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static int snd_als300_dev_free(struct snd_device *device)
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{
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struct snd_als300 *chip = device->device_data;
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return snd_als300_free(chip);
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}
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static irqreturn_t snd_als300_interrupt(int irq, void *dev_id)
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{
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u8 status;
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struct snd_als300 *chip = dev_id;
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struct snd_als300_substream_data *data;
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status = inb(chip->port+ALS300_IRQ_STATUS);
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if (!status) /* shared IRQ, for different device?? Exit ASAP! */
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return IRQ_NONE;
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/* ACK everything ASAP */
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outb(status, chip->port+ALS300_IRQ_STATUS);
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if (status & IRQ_PLAYBACK) {
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if (chip->pcm && chip->playback_substream) {
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data = chip->playback_substream->runtime->private_data;
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data->period_flipflop ^= 1;
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snd_pcm_period_elapsed(chip->playback_substream);
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snd_als300_dbgplay("IRQ_PLAYBACK\n");
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}
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}
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if (status & IRQ_CAPTURE) {
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if (chip->pcm && chip->capture_substream) {
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data = chip->capture_substream->runtime->private_data;
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data->period_flipflop ^= 1;
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snd_pcm_period_elapsed(chip->capture_substream);
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snd_als300_dbgplay("IRQ_CAPTURE\n");
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}
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}
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return IRQ_HANDLED;
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}
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static irqreturn_t snd_als300plus_interrupt(int irq, void *dev_id)
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{
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u8 general, mpu, dram;
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struct snd_als300 *chip = dev_id;
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struct snd_als300_substream_data *data;
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general = inb(chip->port+ALS300P_IRQ_STATUS);
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mpu = inb(chip->port+MPU_IRQ_STATUS);
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dram = inb(chip->port+ALS300P_DRAM_IRQ_STATUS);
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/* shared IRQ, for different device?? Exit ASAP! */
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if ((general == 0) && ((mpu & 0x80) == 0) && ((dram & 0x01) == 0))
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return IRQ_NONE;
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if (general & IRQ_PLAYBACK) {
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if (chip->pcm && chip->playback_substream) {
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outb(IRQ_PLAYBACK, chip->port+ALS300P_IRQ_STATUS);
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data = chip->playback_substream->runtime->private_data;
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data->period_flipflop ^= 1;
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snd_pcm_period_elapsed(chip->playback_substream);
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snd_als300_dbgplay("IRQ_PLAYBACK\n");
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}
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}
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if (general & IRQ_CAPTURE) {
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if (chip->pcm && chip->capture_substream) {
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outb(IRQ_CAPTURE, chip->port+ALS300P_IRQ_STATUS);
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data = chip->capture_substream->runtime->private_data;
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data->period_flipflop ^= 1;
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snd_pcm_period_elapsed(chip->capture_substream);
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snd_als300_dbgplay("IRQ_CAPTURE\n");
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}
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}
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/* FIXME: Ack other interrupt types. Not important right now as
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* those other devices aren't enabled. */
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return IRQ_HANDLED;
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}
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static void __devexit snd_als300_remove(struct pci_dev *pci)
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{
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snd_als300_dbgcallenter();
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snd_card_free(pci_get_drvdata(pci));
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pci_set_drvdata(pci, NULL);
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snd_als300_dbgcallleave();
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}
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static unsigned short snd_als300_ac97_read(struct snd_ac97 *ac97,
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unsigned short reg)
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{
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int i;
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struct snd_als300 *chip = ac97->private_data;
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for (i = 0; i < 1000; i++) {
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if ((inb(chip->port+AC97_STATUS) & (AC97_BUSY)) == 0)
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break;
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udelay(10);
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}
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outl((reg << 24) | (1 << 31), chip->port+AC97_ACCESS);
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for (i = 0; i < 1000; i++) {
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if ((inb(chip->port+AC97_STATUS) & (AC97_DATA_AVAIL)) != 0)
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break;
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udelay(10);
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}
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return inw(chip->port+AC97_READ);
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}
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static void snd_als300_ac97_write(struct snd_ac97 *ac97,
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unsigned short reg, unsigned short val)
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{
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int i;
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struct snd_als300 *chip = ac97->private_data;
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for (i = 0; i < 1000; i++) {
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if ((inb(chip->port+AC97_STATUS) & (AC97_BUSY)) == 0)
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break;
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udelay(10);
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}
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outl((reg << 24) | val, chip->port+AC97_ACCESS);
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}
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static int snd_als300_ac97(struct snd_als300 *chip)
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{
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struct snd_ac97_bus *bus;
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struct snd_ac97_template ac97;
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int err;
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static struct snd_ac97_bus_ops ops = {
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.write = snd_als300_ac97_write,
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.read = snd_als300_ac97_read,
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};
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snd_als300_dbgcallenter();
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if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &bus)) < 0)
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return err;
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memset(&ac97, 0, sizeof(ac97));
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ac97.private_data = chip;
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snd_als300_dbgcallleave();
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return snd_ac97_mixer(bus, &ac97, &chip->ac97);
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}
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/* hardware definition
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*
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* In AC97 mode, we always use 48k/16bit/stereo.
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* Any request to change data type is ignored by
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* the card when it is running outside of legacy
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* mode.
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*/
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static struct snd_pcm_hardware snd_als300_playback_hw =
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{
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.info = (SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_PAUSE |
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SNDRV_PCM_INFO_MMAP_VALID),
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.formats = SNDRV_PCM_FMTBIT_S16,
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.rates = SNDRV_PCM_RATE_48000,
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.rate_min = 48000,
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.rate_max = 48000,
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.channels_min = 2,
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.channels_max = 2,
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.buffer_bytes_max = 64 * 1024,
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.period_bytes_min = 64,
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.period_bytes_max = 32 * 1024,
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.periods_min = 2,
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.periods_max = 2,
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};
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static struct snd_pcm_hardware snd_als300_capture_hw =
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{
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.info = (SNDRV_PCM_INFO_MMAP |
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SNDRV_PCM_INFO_INTERLEAVED |
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SNDRV_PCM_INFO_PAUSE |
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SNDRV_PCM_INFO_MMAP_VALID),
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.formats = SNDRV_PCM_FMTBIT_S16,
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.rates = SNDRV_PCM_RATE_48000,
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.rate_min = 48000,
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.rate_max = 48000,
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.channels_min = 2,
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.channels_max = 2,
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.buffer_bytes_max = 64 * 1024,
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.period_bytes_min = 64,
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.period_bytes_max = 32 * 1024,
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.periods_min = 2,
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.periods_max = 2,
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};
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static int snd_als300_playback_open(struct snd_pcm_substream *substream)
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{
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struct snd_als300 *chip = snd_pcm_substream_chip(substream);
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struct snd_pcm_runtime *runtime = substream->runtime;
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struct snd_als300_substream_data *data = kzalloc(sizeof(*data),
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GFP_KERNEL);
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snd_als300_dbgcallenter();
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chip->playback_substream = substream;
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runtime->hw = snd_als300_playback_hw;
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runtime->private_data = data;
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data->control_register = PLAYBACK_CONTROL;
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data->block_counter_register = PLAYBACK_BLOCK_COUNTER;
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snd_als300_dbgcallleave();
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return 0;
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}
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static int snd_als300_playback_close(struct snd_pcm_substream *substream)
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{
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struct snd_als300 *chip = snd_pcm_substream_chip(substream);
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struct snd_als300_substream_data *data;
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data = substream->runtime->private_data;
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snd_als300_dbgcallenter();
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kfree(data);
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chip->playback_substream = NULL;
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snd_pcm_lib_free_pages(substream);
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snd_als300_dbgcallleave();
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return 0;
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}
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static int snd_als300_capture_open(struct snd_pcm_substream *substream)
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{
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struct snd_als300 *chip = snd_pcm_substream_chip(substream);
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struct snd_pcm_runtime *runtime = substream->runtime;
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struct snd_als300_substream_data *data = kzalloc(sizeof(*data),
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GFP_KERNEL);
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snd_als300_dbgcallenter();
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chip->capture_substream = substream;
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runtime->hw = snd_als300_capture_hw;
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runtime->private_data = data;
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data->control_register = RECORD_CONTROL;
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data->block_counter_register = RECORD_BLOCK_COUNTER;
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snd_als300_dbgcallleave();
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return 0;
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}
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static int snd_als300_capture_close(struct snd_pcm_substream *substream)
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{
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struct snd_als300 *chip = snd_pcm_substream_chip(substream);
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struct snd_als300_substream_data *data;
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data = substream->runtime->private_data;
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snd_als300_dbgcallenter();
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kfree(data);
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chip->capture_substream = NULL;
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snd_pcm_lib_free_pages(substream);
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snd_als300_dbgcallleave();
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return 0;
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}
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static int snd_als300_pcm_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *hw_params)
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{
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return snd_pcm_lib_malloc_pages(substream,
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params_buffer_bytes(hw_params));
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}
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static int snd_als300_pcm_hw_free(struct snd_pcm_substream *substream)
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{
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return snd_pcm_lib_free_pages(substream);
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}
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static int snd_als300_playback_prepare(struct snd_pcm_substream *substream)
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{
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u32 tmp;
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struct snd_als300 *chip = snd_pcm_substream_chip(substream);
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struct snd_pcm_runtime *runtime = substream->runtime;
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unsigned short period_bytes = snd_pcm_lib_period_bytes(substream);
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unsigned short buffer_bytes = snd_pcm_lib_buffer_bytes(substream);
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snd_als300_dbgcallenter();
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spin_lock_irq(&chip->reg_lock);
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tmp = snd_als300_gcr_read(chip->port, PLAYBACK_CONTROL);
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tmp &= ~TRANSFER_START;
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snd_als300_dbgplay("Period bytes: %d Buffer bytes %d\n",
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period_bytes, buffer_bytes);
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/* set block size */
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tmp &= 0xffff0000;
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tmp |= period_bytes - 1;
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snd_als300_gcr_write(chip->port, PLAYBACK_CONTROL, tmp);
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/* set dma area */
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snd_als300_gcr_write(chip->port, PLAYBACK_START,
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runtime->dma_addr);
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snd_als300_gcr_write(chip->port, PLAYBACK_END,
|
|
runtime->dma_addr + buffer_bytes - 1);
|
|
spin_unlock_irq(&chip->reg_lock);
|
|
snd_als300_dbgcallleave();
|
|
return 0;
|
|
}
|
|
|
|
static int snd_als300_capture_prepare(struct snd_pcm_substream *substream)
|
|
{
|
|
u32 tmp;
|
|
struct snd_als300 *chip = snd_pcm_substream_chip(substream);
|
|
struct snd_pcm_runtime *runtime = substream->runtime;
|
|
unsigned short period_bytes = snd_pcm_lib_period_bytes(substream);
|
|
unsigned short buffer_bytes = snd_pcm_lib_buffer_bytes(substream);
|
|
|
|
snd_als300_dbgcallenter();
|
|
spin_lock_irq(&chip->reg_lock);
|
|
tmp = snd_als300_gcr_read(chip->port, RECORD_CONTROL);
|
|
tmp &= ~TRANSFER_START;
|
|
|
|
snd_als300_dbgplay("Period bytes: %d Buffer bytes %d\n", period_bytes,
|
|
buffer_bytes);
|
|
|
|
/* set block size */
|
|
tmp &= 0xffff0000;
|
|
tmp |= period_bytes - 1;
|
|
|
|
/* set dma area */
|
|
snd_als300_gcr_write(chip->port, RECORD_CONTROL, tmp);
|
|
snd_als300_gcr_write(chip->port, RECORD_START,
|
|
runtime->dma_addr);
|
|
snd_als300_gcr_write(chip->port, RECORD_END,
|
|
runtime->dma_addr + buffer_bytes - 1);
|
|
spin_unlock_irq(&chip->reg_lock);
|
|
snd_als300_dbgcallleave();
|
|
return 0;
|
|
}
|
|
|
|
static int snd_als300_trigger(struct snd_pcm_substream *substream, int cmd)
|
|
{
|
|
struct snd_als300 *chip = snd_pcm_substream_chip(substream);
|
|
u32 tmp;
|
|
struct snd_als300_substream_data *data;
|
|
unsigned short reg;
|
|
int ret = 0;
|
|
|
|
data = substream->runtime->private_data;
|
|
reg = data->control_register;
|
|
|
|
snd_als300_dbgcallenter();
|
|
spin_lock(&chip->reg_lock);
|
|
switch (cmd) {
|
|
case SNDRV_PCM_TRIGGER_START:
|
|
case SNDRV_PCM_TRIGGER_RESUME:
|
|
tmp = snd_als300_gcr_read(chip->port, reg);
|
|
data->period_flipflop = 1;
|
|
snd_als300_gcr_write(chip->port, reg, tmp | TRANSFER_START);
|
|
snd_als300_dbgplay("TRIGGER START\n");
|
|
break;
|
|
case SNDRV_PCM_TRIGGER_STOP:
|
|
case SNDRV_PCM_TRIGGER_SUSPEND:
|
|
tmp = snd_als300_gcr_read(chip->port, reg);
|
|
snd_als300_gcr_write(chip->port, reg, tmp & ~TRANSFER_START);
|
|
snd_als300_dbgplay("TRIGGER STOP\n");
|
|
break;
|
|
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
|
|
tmp = snd_als300_gcr_read(chip->port, reg);
|
|
snd_als300_gcr_write(chip->port, reg, tmp | FIFO_PAUSE);
|
|
snd_als300_dbgplay("TRIGGER PAUSE\n");
|
|
break;
|
|
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
|
|
tmp = snd_als300_gcr_read(chip->port, reg);
|
|
snd_als300_gcr_write(chip->port, reg, tmp & ~FIFO_PAUSE);
|
|
snd_als300_dbgplay("TRIGGER RELEASE\n");
|
|
break;
|
|
default:
|
|
snd_als300_dbgplay("TRIGGER INVALID\n");
|
|
ret = -EINVAL;
|
|
}
|
|
spin_unlock(&chip->reg_lock);
|
|
snd_als300_dbgcallleave();
|
|
return ret;
|
|
}
|
|
|
|
static snd_pcm_uframes_t snd_als300_pointer(struct snd_pcm_substream *substream)
|
|
{
|
|
u16 current_ptr;
|
|
struct snd_als300 *chip = snd_pcm_substream_chip(substream);
|
|
struct snd_als300_substream_data *data;
|
|
unsigned short period_bytes;
|
|
|
|
data = substream->runtime->private_data;
|
|
period_bytes = snd_pcm_lib_period_bytes(substream);
|
|
|
|
snd_als300_dbgcallenter();
|
|
spin_lock(&chip->reg_lock);
|
|
current_ptr = (u16) snd_als300_gcr_read(chip->port,
|
|
data->block_counter_register) + 4;
|
|
spin_unlock(&chip->reg_lock);
|
|
if (current_ptr > period_bytes)
|
|
current_ptr = 0;
|
|
else
|
|
current_ptr = period_bytes - current_ptr;
|
|
|
|
if (data->period_flipflop == 0)
|
|
current_ptr += period_bytes;
|
|
snd_als300_dbgplay("Pointer (bytes): %d\n", current_ptr);
|
|
snd_als300_dbgcallleave();
|
|
return bytes_to_frames(substream->runtime, current_ptr);
|
|
}
|
|
|
|
static struct snd_pcm_ops snd_als300_playback_ops = {
|
|
.open = snd_als300_playback_open,
|
|
.close = snd_als300_playback_close,
|
|
.ioctl = snd_pcm_lib_ioctl,
|
|
.hw_params = snd_als300_pcm_hw_params,
|
|
.hw_free = snd_als300_pcm_hw_free,
|
|
.prepare = snd_als300_playback_prepare,
|
|
.trigger = snd_als300_trigger,
|
|
.pointer = snd_als300_pointer,
|
|
};
|
|
|
|
static struct snd_pcm_ops snd_als300_capture_ops = {
|
|
.open = snd_als300_capture_open,
|
|
.close = snd_als300_capture_close,
|
|
.ioctl = snd_pcm_lib_ioctl,
|
|
.hw_params = snd_als300_pcm_hw_params,
|
|
.hw_free = snd_als300_pcm_hw_free,
|
|
.prepare = snd_als300_capture_prepare,
|
|
.trigger = snd_als300_trigger,
|
|
.pointer = snd_als300_pointer,
|
|
};
|
|
|
|
static int __devinit snd_als300_new_pcm(struct snd_als300 *chip)
|
|
{
|
|
struct snd_pcm *pcm;
|
|
int err;
|
|
|
|
snd_als300_dbgcallenter();
|
|
err = snd_pcm_new(chip->card, "ALS300", 0, 1, 1, &pcm);
|
|
if (err < 0)
|
|
return err;
|
|
pcm->private_data = chip;
|
|
strcpy(pcm->name, "ALS300");
|
|
chip->pcm = pcm;
|
|
|
|
/* set operators */
|
|
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,
|
|
&snd_als300_playback_ops);
|
|
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE,
|
|
&snd_als300_capture_ops);
|
|
|
|
/* pre-allocation of buffers */
|
|
snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV,
|
|
snd_dma_pci_data(chip->pci), 64*1024, 64*1024);
|
|
snd_als300_dbgcallleave();
|
|
return 0;
|
|
}
|
|
|
|
static void snd_als300_init(struct snd_als300 *chip)
|
|
{
|
|
unsigned long flags;
|
|
u32 tmp;
|
|
|
|
snd_als300_dbgcallenter();
|
|
spin_lock_irqsave(&chip->reg_lock, flags);
|
|
chip->revision = (snd_als300_gcr_read(chip->port, MISC_CONTROL) >> 16)
|
|
& 0x0000000F;
|
|
/* Setup DRAM */
|
|
tmp = snd_als300_gcr_read(chip->port, DRAM_WRITE_CONTROL);
|
|
snd_als300_gcr_write(chip->port, DRAM_WRITE_CONTROL,
|
|
(tmp | DRAM_MODE_2)
|
|
& ~WRITE_TRANS_START);
|
|
|
|
/* Enable IRQ output */
|
|
snd_als300_set_irq_flag(chip, IRQ_ENABLE);
|
|
|
|
/* Unmute hardware devices so their outputs get routed to
|
|
* the onboard mixer */
|
|
tmp = snd_als300_gcr_read(chip->port, MISC_CONTROL);
|
|
snd_als300_gcr_write(chip->port, MISC_CONTROL,
|
|
tmp | VMUTE_NORMAL | MMUTE_NORMAL);
|
|
|
|
/* Reset volumes */
|
|
snd_als300_gcr_write(chip->port, MUS_VOC_VOL, 0);
|
|
|
|
/* Make sure playback transfer is stopped */
|
|
tmp = snd_als300_gcr_read(chip->port, PLAYBACK_CONTROL);
|
|
snd_als300_gcr_write(chip->port, PLAYBACK_CONTROL,
|
|
tmp & ~TRANSFER_START);
|
|
spin_unlock_irqrestore(&chip->reg_lock, flags);
|
|
snd_als300_dbgcallleave();
|
|
}
|
|
|
|
static int __devinit snd_als300_create(struct snd_card *card,
|
|
struct pci_dev *pci, int chip_type,
|
|
struct snd_als300 **rchip)
|
|
{
|
|
struct snd_als300 *chip;
|
|
void *irq_handler;
|
|
int err;
|
|
|
|
static struct snd_device_ops ops = {
|
|
.dev_free = snd_als300_dev_free,
|
|
};
|
|
*rchip = NULL;
|
|
|
|
snd_als300_dbgcallenter();
|
|
if ((err = pci_enable_device(pci)) < 0)
|
|
return err;
|
|
|
|
if (pci_set_dma_mask(pci, DMA_28BIT_MASK) < 0 ||
|
|
pci_set_consistent_dma_mask(pci, DMA_28BIT_MASK) < 0) {
|
|
printk(KERN_ERR "error setting 28bit DMA mask\n");
|
|
pci_disable_device(pci);
|
|
return -ENXIO;
|
|
}
|
|
pci_set_master(pci);
|
|
|
|
chip = kzalloc(sizeof(*chip), GFP_KERNEL);
|
|
if (chip == NULL) {
|
|
pci_disable_device(pci);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
chip->card = card;
|
|
chip->pci = pci;
|
|
chip->irq = -1;
|
|
chip->chip_type = chip_type;
|
|
spin_lock_init(&chip->reg_lock);
|
|
|
|
if ((err = pci_request_regions(pci, "ALS300")) < 0) {
|
|
kfree(chip);
|
|
pci_disable_device(pci);
|
|
return err;
|
|
}
|
|
chip->port = pci_resource_start(pci, 0);
|
|
|
|
if (chip->chip_type == DEVICE_ALS300_PLUS)
|
|
irq_handler = snd_als300plus_interrupt;
|
|
else
|
|
irq_handler = snd_als300_interrupt;
|
|
|
|
if (request_irq(pci->irq, irq_handler, IRQF_SHARED,
|
|
card->shortname, chip)) {
|
|
snd_printk(KERN_ERR "unable to grab IRQ %d\n", pci->irq);
|
|
snd_als300_free(chip);
|
|
return -EBUSY;
|
|
}
|
|
chip->irq = pci->irq;
|
|
|
|
|
|
snd_als300_init(chip);
|
|
|
|
err = snd_als300_ac97(chip);
|
|
if (err < 0) {
|
|
snd_printk(KERN_WARNING "Could not create ac97\n");
|
|
snd_als300_free(chip);
|
|
return err;
|
|
}
|
|
|
|
if ((err = snd_als300_new_pcm(chip)) < 0) {
|
|
snd_printk(KERN_WARNING "Could not create PCM\n");
|
|
snd_als300_free(chip);
|
|
return err;
|
|
}
|
|
|
|
if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL,
|
|
chip, &ops)) < 0) {
|
|
snd_als300_free(chip);
|
|
return err;
|
|
}
|
|
|
|
snd_card_set_dev(card, &pci->dev);
|
|
|
|
*rchip = chip;
|
|
snd_als300_dbgcallleave();
|
|
return 0;
|
|
}
|
|
|
|
#ifdef CONFIG_PM
|
|
static int snd_als300_suspend(struct pci_dev *pci, pm_message_t state)
|
|
{
|
|
struct snd_card *card = pci_get_drvdata(pci);
|
|
struct snd_als300 *chip = card->private_data;
|
|
|
|
snd_power_change_state(card, SNDRV_CTL_POWER_D3hot);
|
|
snd_pcm_suspend_all(chip->pcm);
|
|
snd_ac97_suspend(chip->ac97);
|
|
|
|
pci_disable_device(pci);
|
|
pci_save_state(pci);
|
|
pci_set_power_state(pci, pci_choose_state(pci, state));
|
|
return 0;
|
|
}
|
|
|
|
static int snd_als300_resume(struct pci_dev *pci)
|
|
{
|
|
struct snd_card *card = pci_get_drvdata(pci);
|
|
struct snd_als300 *chip = card->private_data;
|
|
|
|
pci_set_power_state(pci, PCI_D0);
|
|
pci_restore_state(pci);
|
|
if (pci_enable_device(pci) < 0) {
|
|
printk(KERN_ERR "als300: pci_enable_device failed, "
|
|
"disabling device\n");
|
|
snd_card_disconnect(card);
|
|
return -EIO;
|
|
}
|
|
pci_set_master(pci);
|
|
|
|
snd_als300_init(chip);
|
|
snd_ac97_resume(chip->ac97);
|
|
|
|
snd_power_change_state(card, SNDRV_CTL_POWER_D0);
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
static int __devinit snd_als300_probe(struct pci_dev *pci,
|
|
const struct pci_device_id *pci_id)
|
|
{
|
|
static int dev;
|
|
struct snd_card *card;
|
|
struct snd_als300 *chip;
|
|
int err, chip_type;
|
|
|
|
if (dev >= SNDRV_CARDS)
|
|
return -ENODEV;
|
|
if (!enable[dev]) {
|
|
dev++;
|
|
return -ENOENT;
|
|
}
|
|
|
|
card = snd_card_new(index[dev], id[dev], THIS_MODULE, 0);
|
|
|
|
if (card == NULL)
|
|
return -ENOMEM;
|
|
|
|
chip_type = pci_id->driver_data;
|
|
|
|
if ((err = snd_als300_create(card, pci, chip_type, &chip)) < 0) {
|
|
snd_card_free(card);
|
|
return err;
|
|
}
|
|
card->private_data = chip;
|
|
|
|
strcpy(card->driver, "ALS300");
|
|
if (chip->chip_type == DEVICE_ALS300_PLUS)
|
|
/* don't know much about ALS300+ yet
|
|
* print revision number for now */
|
|
sprintf(card->shortname, "ALS300+ (Rev. %d)", chip->revision);
|
|
else
|
|
sprintf(card->shortname, "ALS300 (Rev. %c)", 'A' +
|
|
chip->revision - 1);
|
|
sprintf(card->longname, "%s at 0x%lx irq %i",
|
|
card->shortname, chip->port, chip->irq);
|
|
|
|
if ((err = snd_card_register(card)) < 0) {
|
|
snd_card_free(card);
|
|
return err;
|
|
}
|
|
pci_set_drvdata(pci, card);
|
|
dev++;
|
|
return 0;
|
|
}
|
|
|
|
static struct pci_driver driver = {
|
|
.name = "ALS300",
|
|
.id_table = snd_als300_ids,
|
|
.probe = snd_als300_probe,
|
|
.remove = __devexit_p(snd_als300_remove),
|
|
#ifdef CONFIG_PM
|
|
.suspend = snd_als300_suspend,
|
|
.resume = snd_als300_resume,
|
|
#endif
|
|
};
|
|
|
|
static int __init alsa_card_als300_init(void)
|
|
{
|
|
return pci_register_driver(&driver);
|
|
}
|
|
|
|
static void __exit alsa_card_als300_exit(void)
|
|
{
|
|
pci_unregister_driver(&driver);
|
|
}
|
|
|
|
module_init(alsa_card_als300_init)
|
|
module_exit(alsa_card_als300_exit)
|