diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/pci/als300.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/pci/als300.c | 877 |
1 files changed, 0 insertions, 877 deletions
diff --git a/ANDROID_3.4.5/sound/pci/als300.c b/ANDROID_3.4.5/sound/pci/als300.c deleted file mode 100644 index 8196e229..00000000 --- a/ANDROID_3.4.5/sound/pci/als300.c +++ /dev/null @@ -1,877 +0,0 @@ -/* - * als300.c - driver for Avance Logic ALS300/ALS300+ soundcards. - * Copyright (C) 2005 by Ash Willis <ashwillis@programmer.net> - * - * 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 - * - * TODO - * 4 channel playback for ALS300+ - * gameport - * mpu401 - * opl3 - * - * NOTES - * The BLOCK_COUNTER registers for the ALS300(+) return a figure related to - * the position in the current period, NOT the whole buffer. It is important - * to know which period we are in so we can calculate the correct pointer. - * This is why we always use 2 periods. We can then use a flip-flop variable - * to keep track of what period we are in. - */ - -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/module.h> -#include <linux/pci.h> -#include <linux/dma-mapping.h> -#include <linux/interrupt.h> -#include <linux/slab.h> - -#include <asm/io.h> - -#include <sound/core.h> -#include <sound/control.h> -#include <sound/initval.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/ac97_codec.h> -#include <sound/opl3.h> - -/* snd_als300_set_irq_flag */ -#define IRQ_DISABLE 0 -#define IRQ_ENABLE 1 - -/* I/O port layout */ -#define AC97_ACCESS 0x00 -#define AC97_READ 0x04 -#define AC97_STATUS 0x06 -#define AC97_DATA_AVAIL (1<<6) -#define AC97_BUSY (1<<7) -#define ALS300_IRQ_STATUS 0x07 /* ALS300 Only */ -#define IRQ_PLAYBACK (1<<3) -#define IRQ_CAPTURE (1<<2) -#define GCR_DATA 0x08 -#define GCR_INDEX 0x0C -#define ALS300P_DRAM_IRQ_STATUS 0x0D /* ALS300+ Only */ -#define MPU_IRQ_STATUS 0x0E /* ALS300 Rev. E+, ALS300+ */ -#define ALS300P_IRQ_STATUS 0x0F /* ALS300+ Only */ - -/* General Control Registers */ -#define PLAYBACK_START 0x80 -#define PLAYBACK_END 0x81 -#define PLAYBACK_CONTROL 0x82 -#define TRANSFER_START (1<<16) -#define FIFO_PAUSE (1<<17) -#define RECORD_START 0x83 -#define RECORD_END 0x84 -#define RECORD_CONTROL 0x85 -#define DRAM_WRITE_CONTROL 0x8B -#define WRITE_TRANS_START (1<<16) -#define DRAM_MODE_2 (1<<17) -#define MISC_CONTROL 0x8C -#define IRQ_SET_BIT (1<<15) -#define VMUTE_NORMAL (1<<20) -#define MMUTE_NORMAL (1<<21) -#define MUS_VOC_VOL 0x8E -#define PLAYBACK_BLOCK_COUNTER 0x9A -#define RECORD_BLOCK_COUNTER 0x9B - -#define DEBUG_CALLS 0 -#define DEBUG_PLAY_REC 0 - -#if DEBUG_CALLS -#define snd_als300_dbgcalls(format, args...) printk(KERN_DEBUG format, ##args) -#define snd_als300_dbgcallenter() printk(KERN_ERR "--> %s\n", __func__) -#define snd_als300_dbgcallleave() printk(KERN_ERR "<-- %s\n", __func__) -#else -#define snd_als300_dbgcalls(format, args...) -#define snd_als300_dbgcallenter() -#define snd_als300_dbgcallleave() -#endif - -#if DEBUG_PLAY_REC -#define snd_als300_dbgplay(format, args...) printk(KERN_ERR format, ##args) -#else -#define snd_als300_dbgplay(format, args...) -#endif - -enum {DEVICE_ALS300, DEVICE_ALS300_PLUS}; - -MODULE_AUTHOR("Ash Willis <ashwillis@programmer.net>"); -MODULE_DESCRIPTION("Avance Logic ALS300"); -MODULE_LICENSE("GPL"); -MODULE_SUPPORTED_DEVICE("{{Avance Logic,ALS300},{Avance Logic,ALS300+}}"); - -static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; -static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; -static bool enable[SNDRV_CARDS] = SNDRV_DEFAULT_ENABLE_PNP; - -module_param_array(index, int, NULL, 0444); -MODULE_PARM_DESC(index, "Index value for ALS300 sound card."); -module_param_array(id, charp, NULL, 0444); -MODULE_PARM_DESC(id, "ID string for ALS300 sound card."); -module_param_array(enable, bool, NULL, 0444); -MODULE_PARM_DESC(enable, "Enable ALS300 sound card."); - -struct snd_als300 { - unsigned long port; - spinlock_t reg_lock; - struct snd_card *card; - struct pci_dev *pci; - - struct snd_pcm *pcm; - struct snd_pcm_substream *playback_substream; - struct snd_pcm_substream *capture_substream; - - struct snd_ac97 *ac97; - struct snd_opl3 *opl3; - - struct resource *res_port; - - int irq; - - int chip_type; /* ALS300 or ALS300+ */ - - char revision; -}; - -struct snd_als300_substream_data { - int period_flipflop; - int control_register; - int block_counter_register; -}; - -static DEFINE_PCI_DEVICE_TABLE(snd_als300_ids) = { - { 0x4005, 0x0300, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_ALS300 }, - { 0x4005, 0x0308, PCI_ANY_ID, PCI_ANY_ID, 0, 0, DEVICE_ALS300_PLUS }, - { 0, } -}; - -MODULE_DEVICE_TABLE(pci, snd_als300_ids); - -static inline u32 snd_als300_gcr_read(unsigned long port, unsigned short reg) -{ - outb(reg, port+GCR_INDEX); - return inl(port+GCR_DATA); -} - -static inline void snd_als300_gcr_write(unsigned long port, - unsigned short reg, u32 val) -{ - outb(reg, port+GCR_INDEX); - outl(val, port+GCR_DATA); -} - -/* Enable/Disable Interrupts */ -static void snd_als300_set_irq_flag(struct snd_als300 *chip, int cmd) -{ - u32 tmp = snd_als300_gcr_read(chip->port, MISC_CONTROL); - snd_als300_dbgcallenter(); - - /* boolean XOR check, since old vs. new hardware have - directly reversed bit setting for ENABLE and DISABLE. - ALS300+ acts like newer versions of ALS300 */ - if (((chip->revision > 5 || chip->chip_type == DEVICE_ALS300_PLUS) ^ - (cmd == IRQ_ENABLE)) == 0) - tmp |= IRQ_SET_BIT; - else - tmp &= ~IRQ_SET_BIT; - snd_als300_gcr_write(chip->port, MISC_CONTROL, tmp); - snd_als300_dbgcallleave(); -} - -static int snd_als300_free(struct snd_als300 *chip) -{ - snd_als300_dbgcallenter(); - snd_als300_set_irq_flag(chip, IRQ_DISABLE); - if (chip->irq >= 0) - free_irq(chip->irq, chip); - pci_release_regions(chip->pci); - pci_disable_device(chip->pci); - kfree(chip); - snd_als300_dbgcallleave(); - return 0; -} - -static int snd_als300_dev_free(struct snd_device *device) -{ - struct snd_als300 *chip = device->device_data; - return snd_als300_free(chip); -} - -static irqreturn_t snd_als300_interrupt(int irq, void *dev_id) -{ - u8 status; - struct snd_als300 *chip = dev_id; - struct snd_als300_substream_data *data; - - status = inb(chip->port+ALS300_IRQ_STATUS); - if (!status) /* shared IRQ, for different device?? Exit ASAP! */ - return IRQ_NONE; - - /* ACK everything ASAP */ - outb(status, chip->port+ALS300_IRQ_STATUS); - if (status & IRQ_PLAYBACK) { - if (chip->pcm && chip->playback_substream) { - data = chip->playback_substream->runtime->private_data; - data->period_flipflop ^= 1; - snd_pcm_period_elapsed(chip->playback_substream); - snd_als300_dbgplay("IRQ_PLAYBACK\n"); - } - } - if (status & IRQ_CAPTURE) { - if (chip->pcm && chip->capture_substream) { - data = chip->capture_substream->runtime->private_data; - data->period_flipflop ^= 1; - snd_pcm_period_elapsed(chip->capture_substream); - snd_als300_dbgplay("IRQ_CAPTURE\n"); - } - } - return IRQ_HANDLED; -} - -static irqreturn_t snd_als300plus_interrupt(int irq, void *dev_id) -{ - u8 general, mpu, dram; - struct snd_als300 *chip = dev_id; - struct snd_als300_substream_data *data; - - general = inb(chip->port+ALS300P_IRQ_STATUS); - mpu = inb(chip->port+MPU_IRQ_STATUS); - dram = inb(chip->port+ALS300P_DRAM_IRQ_STATUS); - - /* shared IRQ, for different device?? Exit ASAP! */ - if ((general == 0) && ((mpu & 0x80) == 0) && ((dram & 0x01) == 0)) - return IRQ_NONE; - - if (general & IRQ_PLAYBACK) { - if (chip->pcm && chip->playback_substream) { - outb(IRQ_PLAYBACK, chip->port+ALS300P_IRQ_STATUS); - data = chip->playback_substream->runtime->private_data; - data->period_flipflop ^= 1; - snd_pcm_period_elapsed(chip->playback_substream); - snd_als300_dbgplay("IRQ_PLAYBACK\n"); - } - } - if (general & IRQ_CAPTURE) { - if (chip->pcm && chip->capture_substream) { - outb(IRQ_CAPTURE, chip->port+ALS300P_IRQ_STATUS); - data = chip->capture_substream->runtime->private_data; - data->period_flipflop ^= 1; - snd_pcm_period_elapsed(chip->capture_substream); - snd_als300_dbgplay("IRQ_CAPTURE\n"); - } - } - /* FIXME: Ack other interrupt types. Not important right now as - * those other devices aren't enabled. */ - return IRQ_HANDLED; -} - -static void __devexit snd_als300_remove(struct pci_dev *pci) -{ - snd_als300_dbgcallenter(); - snd_card_free(pci_get_drvdata(pci)); - pci_set_drvdata(pci, NULL); - snd_als300_dbgcallleave(); -} - -static unsigned short snd_als300_ac97_read(struct snd_ac97 *ac97, - unsigned short reg) -{ - int i; - struct snd_als300 *chip = ac97->private_data; - - for (i = 0; i < 1000; i++) { - if ((inb(chip->port+AC97_STATUS) & (AC97_BUSY)) == 0) - break; - udelay(10); - } - outl((reg << 24) | (1 << 31), chip->port+AC97_ACCESS); - - for (i = 0; i < 1000; i++) { - if ((inb(chip->port+AC97_STATUS) & (AC97_DATA_AVAIL)) != 0) - break; - udelay(10); - } - return inw(chip->port+AC97_READ); -} - -static void snd_als300_ac97_write(struct snd_ac97 *ac97, - unsigned short reg, unsigned short val) -{ - int i; - struct snd_als300 *chip = ac97->private_data; - - for (i = 0; i < 1000; i++) { - if ((inb(chip->port+AC97_STATUS) & (AC97_BUSY)) == 0) - break; - udelay(10); - } - outl((reg << 24) | val, chip->port+AC97_ACCESS); -} - -static int snd_als300_ac97(struct snd_als300 *chip) -{ - struct snd_ac97_bus *bus; - struct snd_ac97_template ac97; - int err; - static struct snd_ac97_bus_ops ops = { - .write = snd_als300_ac97_write, - .read = snd_als300_ac97_read, - }; - - snd_als300_dbgcallenter(); - if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &bus)) < 0) - return err; - - memset(&ac97, 0, sizeof(ac97)); - ac97.private_data = chip; - - snd_als300_dbgcallleave(); - return snd_ac97_mixer(bus, &ac97, &chip->ac97); -} - -/* hardware definition - * - * In AC97 mode, we always use 48k/16bit/stereo. - * Any request to change data type is ignored by - * the card when it is running outside of legacy - * mode. - */ -static struct snd_pcm_hardware snd_als300_playback_hw = -{ - .info = (SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_MMAP_VALID), - .formats = SNDRV_PCM_FMTBIT_S16, - .rates = SNDRV_PCM_RATE_48000, - .rate_min = 48000, - .rate_max = 48000, - .channels_min = 2, - .channels_max = 2, - .buffer_bytes_max = 64 * 1024, - .period_bytes_min = 64, - .period_bytes_max = 32 * 1024, - .periods_min = 2, - .periods_max = 2, -}; - -static struct snd_pcm_hardware snd_als300_capture_hw = -{ - .info = (SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_MMAP_VALID), - .formats = SNDRV_PCM_FMTBIT_S16, - .rates = SNDRV_PCM_RATE_48000, - .rate_min = 48000, - .rate_max = 48000, - .channels_min = 2, - .channels_max = 2, - .buffer_bytes_max = 64 * 1024, - .period_bytes_min = 64, - .period_bytes_max = 32 * 1024, - .periods_min = 2, - .periods_max = 2, -}; - -static int snd_als300_playback_open(struct snd_pcm_substream *substream) -{ - struct snd_als300 *chip = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_als300_substream_data *data = kzalloc(sizeof(*data), - GFP_KERNEL); - - snd_als300_dbgcallenter(); - chip->playback_substream = substream; - runtime->hw = snd_als300_playback_hw; - runtime->private_data = data; - data->control_register = PLAYBACK_CONTROL; - data->block_counter_register = PLAYBACK_BLOCK_COUNTER; - snd_als300_dbgcallleave(); - return 0; -} - -static int snd_als300_playback_close(struct snd_pcm_substream *substream) -{ - struct snd_als300 *chip = snd_pcm_substream_chip(substream); - struct snd_als300_substream_data *data; - - data = substream->runtime->private_data; - snd_als300_dbgcallenter(); - kfree(data); - chip->playback_substream = NULL; - snd_pcm_lib_free_pages(substream); - snd_als300_dbgcallleave(); - return 0; -} - -static int snd_als300_capture_open(struct snd_pcm_substream *substream) -{ - struct snd_als300 *chip = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - struct snd_als300_substream_data *data = kzalloc(sizeof(*data), - GFP_KERNEL); - - snd_als300_dbgcallenter(); - chip->capture_substream = substream; - runtime->hw = snd_als300_capture_hw; - runtime->private_data = data; - data->control_register = RECORD_CONTROL; - data->block_counter_register = RECORD_BLOCK_COUNTER; - snd_als300_dbgcallleave(); - return 0; -} - -static int snd_als300_capture_close(struct snd_pcm_substream *substream) -{ - struct snd_als300 *chip = snd_pcm_substream_chip(substream); - struct snd_als300_substream_data *data; - - data = substream->runtime->private_data; - snd_als300_dbgcallenter(); - kfree(data); - chip->capture_substream = NULL; - snd_pcm_lib_free_pages(substream); - snd_als300_dbgcallleave(); - return 0; -} - -static int snd_als300_pcm_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) -{ - return snd_pcm_lib_malloc_pages(substream, - params_buffer_bytes(hw_params)); -} - -static int snd_als300_pcm_hw_free(struct snd_pcm_substream *substream) -{ - return snd_pcm_lib_free_pages(substream); -} - -static int snd_als300_playback_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, PLAYBACK_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; - snd_als300_gcr_write(chip->port, PLAYBACK_CONTROL, tmp); - - /* set dma area */ - snd_als300_gcr_write(chip->port, PLAYBACK_START, - runtime->dma_addr); - 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_BIT_MASK(28)) < 0 || - pci_set_consistent_dma_mask(pci, DMA_BIT_MASK(28)) < 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, - KBUILD_MODNAME, 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; - } - - err = snd_card_create(index[dev], id[dev], THIS_MODULE, 0, &card); - - if (err < 0) - return err; - - 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 = KBUILD_MODNAME, - .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) |