diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/pci/emu10k1/emu10k1x.c')
| -rw-r--r-- | ANDROID_3.4.5/sound/pci/emu10k1/emu10k1x.c | 1635 |
1 files changed, 0 insertions, 1635 deletions
diff --git a/ANDROID_3.4.5/sound/pci/emu10k1/emu10k1x.c b/ANDROID_3.4.5/sound/pci/emu10k1/emu10k1x.c deleted file mode 100644 index 47a651cb..00000000 --- a/ANDROID_3.4.5/sound/pci/emu10k1/emu10k1x.c +++ /dev/null @@ -1,1635 +0,0 @@ -/* - * Copyright (c) by Francisco Moraes <fmoraes@nc.rr.com> - * Driver EMU10K1X chips - * - * Parts of this code were adapted from audigyls.c driver which is - * Copyright (c) by James Courtier-Dutton <James@superbug.demon.co.uk> - * - * BUGS: - * -- - * - * TODO: - * - * Chips (SB0200 model): - * - EMU10K1X-DBQ - * - STAC 9708T - * - * 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/init.h> -#include <linux/interrupt.h> -#include <linux/pci.h> -#include <linux/dma-mapping.h> -#include <linux/slab.h> -#include <linux/module.h> -#include <sound/core.h> -#include <sound/initval.h> -#include <sound/pcm.h> -#include <sound/ac97_codec.h> -#include <sound/info.h> -#include <sound/rawmidi.h> - -MODULE_AUTHOR("Francisco Moraes <fmoraes@nc.rr.com>"); -MODULE_DESCRIPTION("EMU10K1X"); -MODULE_LICENSE("GPL"); -MODULE_SUPPORTED_DEVICE("{{Dell Creative Labs,SB Live!}"); - -// module parameters (see "Module Parameters") -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 the EMU10K1X soundcard."); -module_param_array(id, charp, NULL, 0444); -MODULE_PARM_DESC(id, "ID string for the EMU10K1X soundcard."); -module_param_array(enable, bool, NULL, 0444); -MODULE_PARM_DESC(enable, "Enable the EMU10K1X soundcard."); - - -// some definitions were borrowed from emu10k1 driver as they seem to be the same -/************************************************************************************************/ -/* PCI function 0 registers, address = <val> + PCIBASE0 */ -/************************************************************************************************/ - -#define PTR 0x00 /* Indexed register set pointer register */ - /* NOTE: The CHANNELNUM and ADDRESS words can */ - /* be modified independently of each other. */ - -#define DATA 0x04 /* Indexed register set data register */ - -#define IPR 0x08 /* Global interrupt pending register */ - /* Clear pending interrupts by writing a 1 to */ - /* the relevant bits and zero to the other bits */ -#define IPR_MIDITRANSBUFEMPTY 0x00000001 /* MIDI UART transmit buffer empty */ -#define IPR_MIDIRECVBUFEMPTY 0x00000002 /* MIDI UART receive buffer empty */ -#define IPR_CH_0_LOOP 0x00000800 /* Channel 0 loop */ -#define IPR_CH_0_HALF_LOOP 0x00000100 /* Channel 0 half loop */ -#define IPR_CAP_0_LOOP 0x00080000 /* Channel capture loop */ -#define IPR_CAP_0_HALF_LOOP 0x00010000 /* Channel capture half loop */ - -#define INTE 0x0c /* Interrupt enable register */ -#define INTE_MIDITXENABLE 0x00000001 /* Enable MIDI transmit-buffer-empty interrupts */ -#define INTE_MIDIRXENABLE 0x00000002 /* Enable MIDI receive-buffer-empty interrupts */ -#define INTE_CH_0_LOOP 0x00000800 /* Channel 0 loop */ -#define INTE_CH_0_HALF_LOOP 0x00000100 /* Channel 0 half loop */ -#define INTE_CAP_0_LOOP 0x00080000 /* Channel capture loop */ -#define INTE_CAP_0_HALF_LOOP 0x00010000 /* Channel capture half loop */ - -#define HCFG 0x14 /* Hardware config register */ - -#define HCFG_LOCKSOUNDCACHE 0x00000008 /* 1 = Cancel bustmaster accesses to soundcache */ - /* NOTE: This should generally never be used. */ -#define HCFG_AUDIOENABLE 0x00000001 /* 0 = CODECs transmit zero-valued samples */ - /* Should be set to 1 when the EMU10K1 is */ - /* completely initialized. */ -#define GPIO 0x18 /* Defaults: 00001080-Analog, 00001000-SPDIF. */ - - -#define AC97DATA 0x1c /* AC97 register set data register (16 bit) */ - -#define AC97ADDRESS 0x1e /* AC97 register set address register (8 bit) */ - -/********************************************************************************************************/ -/* Emu10k1x pointer-offset register set, accessed through the PTR and DATA registers */ -/********************************************************************************************************/ -#define PLAYBACK_LIST_ADDR 0x00 /* Base DMA address of a list of pointers to each period/size */ - /* One list entry: 4 bytes for DMA address, - * 4 bytes for period_size << 16. - * One list entry is 8 bytes long. - * One list entry for each period in the buffer. - */ -#define PLAYBACK_LIST_SIZE 0x01 /* Size of list in bytes << 16. E.g. 8 periods -> 0x00380000 */ -#define PLAYBACK_LIST_PTR 0x02 /* Pointer to the current period being played */ -#define PLAYBACK_DMA_ADDR 0x04 /* Playback DMA address */ -#define PLAYBACK_PERIOD_SIZE 0x05 /* Playback period size */ -#define PLAYBACK_POINTER 0x06 /* Playback period pointer. Sample currently in DAC */ -#define PLAYBACK_UNKNOWN1 0x07 -#define PLAYBACK_UNKNOWN2 0x08 - -/* Only one capture channel supported */ -#define CAPTURE_DMA_ADDR 0x10 /* Capture DMA address */ -#define CAPTURE_BUFFER_SIZE 0x11 /* Capture buffer size */ -#define CAPTURE_POINTER 0x12 /* Capture buffer pointer. Sample currently in ADC */ -#define CAPTURE_UNKNOWN 0x13 - -/* From 0x20 - 0x3f, last samples played on each channel */ - -#define TRIGGER_CHANNEL 0x40 /* Trigger channel playback */ -#define TRIGGER_CHANNEL_0 0x00000001 /* Trigger channel 0 */ -#define TRIGGER_CHANNEL_1 0x00000002 /* Trigger channel 1 */ -#define TRIGGER_CHANNEL_2 0x00000004 /* Trigger channel 2 */ -#define TRIGGER_CAPTURE 0x00000100 /* Trigger capture channel */ - -#define ROUTING 0x41 /* Setup sound routing ? */ -#define ROUTING_FRONT_LEFT 0x00000001 -#define ROUTING_FRONT_RIGHT 0x00000002 -#define ROUTING_REAR_LEFT 0x00000004 -#define ROUTING_REAR_RIGHT 0x00000008 -#define ROUTING_CENTER_LFE 0x00010000 - -#define SPCS0 0x42 /* SPDIF output Channel Status 0 register */ - -#define SPCS1 0x43 /* SPDIF output Channel Status 1 register */ - -#define SPCS2 0x44 /* SPDIF output Channel Status 2 register */ - -#define SPCS_CLKACCYMASK 0x30000000 /* Clock accuracy */ -#define SPCS_CLKACCY_1000PPM 0x00000000 /* 1000 parts per million */ -#define SPCS_CLKACCY_50PPM 0x10000000 /* 50 parts per million */ -#define SPCS_CLKACCY_VARIABLE 0x20000000 /* Variable accuracy */ -#define SPCS_SAMPLERATEMASK 0x0f000000 /* Sample rate */ -#define SPCS_SAMPLERATE_44 0x00000000 /* 44.1kHz sample rate */ -#define SPCS_SAMPLERATE_48 0x02000000 /* 48kHz sample rate */ -#define SPCS_SAMPLERATE_32 0x03000000 /* 32kHz sample rate */ -#define SPCS_CHANNELNUMMASK 0x00f00000 /* Channel number */ -#define SPCS_CHANNELNUM_UNSPEC 0x00000000 /* Unspecified channel number */ -#define SPCS_CHANNELNUM_LEFT 0x00100000 /* Left channel */ -#define SPCS_CHANNELNUM_RIGHT 0x00200000 /* Right channel */ -#define SPCS_SOURCENUMMASK 0x000f0000 /* Source number */ -#define SPCS_SOURCENUM_UNSPEC 0x00000000 /* Unspecified source number */ -#define SPCS_GENERATIONSTATUS 0x00008000 /* Originality flag (see IEC-958 spec) */ -#define SPCS_CATEGORYCODEMASK 0x00007f00 /* Category code (see IEC-958 spec) */ -#define SPCS_MODEMASK 0x000000c0 /* Mode (see IEC-958 spec) */ -#define SPCS_EMPHASISMASK 0x00000038 /* Emphasis */ -#define SPCS_EMPHASIS_NONE 0x00000000 /* No emphasis */ -#define SPCS_EMPHASIS_50_15 0x00000008 /* 50/15 usec 2 channel */ -#define SPCS_COPYRIGHT 0x00000004 /* Copyright asserted flag -- do not modify */ -#define SPCS_NOTAUDIODATA 0x00000002 /* 0 = Digital audio, 1 = not audio */ -#define SPCS_PROFESSIONAL 0x00000001 /* 0 = Consumer (IEC-958), 1 = pro (AES3-1992) */ - -#define SPDIF_SELECT 0x45 /* Enables SPDIF or Analogue outputs 0-Analogue, 0x700-SPDIF */ - -/* This is the MPU port on the card */ -#define MUDATA 0x47 -#define MUCMD 0x48 -#define MUSTAT MUCMD - -/* From 0x50 - 0x5f, last samples captured */ - -/** - * The hardware has 3 channels for playback and 1 for capture. - * - channel 0 is the front channel - * - channel 1 is the rear channel - * - channel 2 is the center/lfe channel - * Volume is controlled by the AC97 for the front and rear channels by - * the PCM Playback Volume, Sigmatel Surround Playback Volume and - * Surround Playback Volume. The Sigmatel 4-Speaker Stereo switch affects - * the front/rear channel mixing in the REAR OUT jack. When using the - * 4-Speaker Stereo, both front and rear channels will be mixed in the - * REAR OUT. - * The center/lfe channel has no volume control and cannot be muted during - * playback. - */ - -struct emu10k1x_voice { - struct emu10k1x *emu; - int number; - int use; - - struct emu10k1x_pcm *epcm; -}; - -struct emu10k1x_pcm { - struct emu10k1x *emu; - struct snd_pcm_substream *substream; - struct emu10k1x_voice *voice; - unsigned short running; -}; - -struct emu10k1x_midi { - struct emu10k1x *emu; - struct snd_rawmidi *rmidi; - struct snd_rawmidi_substream *substream_input; - struct snd_rawmidi_substream *substream_output; - unsigned int midi_mode; - spinlock_t input_lock; - spinlock_t output_lock; - spinlock_t open_lock; - int tx_enable, rx_enable; - int port; - int ipr_tx, ipr_rx; - void (*interrupt)(struct emu10k1x *emu, unsigned int status); -}; - -// definition of the chip-specific record -struct emu10k1x { - struct snd_card *card; - struct pci_dev *pci; - - unsigned long port; - struct resource *res_port; - int irq; - - unsigned char revision; /* chip revision */ - unsigned int serial; /* serial number */ - unsigned short model; /* subsystem id */ - - spinlock_t emu_lock; - spinlock_t voice_lock; - - struct snd_ac97 *ac97; - struct snd_pcm *pcm; - - struct emu10k1x_voice voices[3]; - struct emu10k1x_voice capture_voice; - u32 spdif_bits[3]; // SPDIF out setup - - struct snd_dma_buffer dma_buffer; - - struct emu10k1x_midi midi; -}; - -/* hardware definition */ -static struct snd_pcm_hardware snd_emu10k1x_playback_hw = { - .info = (SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_BLOCK_TRANSFER | - SNDRV_PCM_INFO_MMAP_VALID), - .formats = SNDRV_PCM_FMTBIT_S16_LE, - .rates = SNDRV_PCM_RATE_48000, - .rate_min = 48000, - .rate_max = 48000, - .channels_min = 2, - .channels_max = 2, - .buffer_bytes_max = (32*1024), - .period_bytes_min = 64, - .period_bytes_max = (16*1024), - .periods_min = 2, - .periods_max = 8, - .fifo_size = 0, -}; - -static struct snd_pcm_hardware snd_emu10k1x_capture_hw = { - .info = (SNDRV_PCM_INFO_MMAP | - SNDRV_PCM_INFO_INTERLEAVED | - SNDRV_PCM_INFO_BLOCK_TRANSFER | - SNDRV_PCM_INFO_MMAP_VALID), - .formats = SNDRV_PCM_FMTBIT_S16_LE, - .rates = SNDRV_PCM_RATE_48000, - .rate_min = 48000, - .rate_max = 48000, - .channels_min = 2, - .channels_max = 2, - .buffer_bytes_max = (32*1024), - .period_bytes_min = 64, - .period_bytes_max = (16*1024), - .periods_min = 2, - .periods_max = 2, - .fifo_size = 0, -}; - -static unsigned int snd_emu10k1x_ptr_read(struct emu10k1x * emu, - unsigned int reg, - unsigned int chn) -{ - unsigned long flags; - unsigned int regptr, val; - - regptr = (reg << 16) | chn; - - spin_lock_irqsave(&emu->emu_lock, flags); - outl(regptr, emu->port + PTR); - val = inl(emu->port + DATA); - spin_unlock_irqrestore(&emu->emu_lock, flags); - return val; -} - -static void snd_emu10k1x_ptr_write(struct emu10k1x *emu, - unsigned int reg, - unsigned int chn, - unsigned int data) -{ - unsigned int regptr; - unsigned long flags; - - regptr = (reg << 16) | chn; - - spin_lock_irqsave(&emu->emu_lock, flags); - outl(regptr, emu->port + PTR); - outl(data, emu->port + DATA); - spin_unlock_irqrestore(&emu->emu_lock, flags); -} - -static void snd_emu10k1x_intr_enable(struct emu10k1x *emu, unsigned int intrenb) -{ - unsigned long flags; - unsigned int intr_enable; - - spin_lock_irqsave(&emu->emu_lock, flags); - intr_enable = inl(emu->port + INTE) | intrenb; - outl(intr_enable, emu->port + INTE); - spin_unlock_irqrestore(&emu->emu_lock, flags); -} - -static void snd_emu10k1x_intr_disable(struct emu10k1x *emu, unsigned int intrenb) -{ - unsigned long flags; - unsigned int intr_enable; - - spin_lock_irqsave(&emu->emu_lock, flags); - intr_enable = inl(emu->port + INTE) & ~intrenb; - outl(intr_enable, emu->port + INTE); - spin_unlock_irqrestore(&emu->emu_lock, flags); -} - -static void snd_emu10k1x_gpio_write(struct emu10k1x *emu, unsigned int value) -{ - unsigned long flags; - - spin_lock_irqsave(&emu->emu_lock, flags); - outl(value, emu->port + GPIO); - spin_unlock_irqrestore(&emu->emu_lock, flags); -} - -static void snd_emu10k1x_pcm_free_substream(struct snd_pcm_runtime *runtime) -{ - kfree(runtime->private_data); -} - -static void snd_emu10k1x_pcm_interrupt(struct emu10k1x *emu, struct emu10k1x_voice *voice) -{ - struct emu10k1x_pcm *epcm; - - if ((epcm = voice->epcm) == NULL) - return; - if (epcm->substream == NULL) - return; -#if 0 - snd_printk(KERN_INFO "IRQ: position = 0x%x, period = 0x%x, size = 0x%x\n", - epcm->substream->ops->pointer(epcm->substream), - snd_pcm_lib_period_bytes(epcm->substream), - snd_pcm_lib_buffer_bytes(epcm->substream)); -#endif - snd_pcm_period_elapsed(epcm->substream); -} - -/* open callback */ -static int snd_emu10k1x_playback_open(struct snd_pcm_substream *substream) -{ - struct emu10k1x *chip = snd_pcm_substream_chip(substream); - struct emu10k1x_pcm *epcm; - struct snd_pcm_runtime *runtime = substream->runtime; - int err; - - if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) { - return err; - } - if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0) - return err; - - epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); - if (epcm == NULL) - return -ENOMEM; - epcm->emu = chip; - epcm->substream = substream; - - runtime->private_data = epcm; - runtime->private_free = snd_emu10k1x_pcm_free_substream; - - runtime->hw = snd_emu10k1x_playback_hw; - - return 0; -} - -/* close callback */ -static int snd_emu10k1x_playback_close(struct snd_pcm_substream *substream) -{ - return 0; -} - -/* hw_params callback */ -static int snd_emu10k1x_pcm_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - struct emu10k1x_pcm *epcm = runtime->private_data; - - if (! epcm->voice) { - epcm->voice = &epcm->emu->voices[substream->pcm->device]; - epcm->voice->use = 1; - epcm->voice->epcm = epcm; - } - - return snd_pcm_lib_malloc_pages(substream, - params_buffer_bytes(hw_params)); -} - -/* hw_free callback */ -static int snd_emu10k1x_pcm_hw_free(struct snd_pcm_substream *substream) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - struct emu10k1x_pcm *epcm; - - if (runtime->private_data == NULL) - return 0; - - epcm = runtime->private_data; - - if (epcm->voice) { - epcm->voice->use = 0; - epcm->voice->epcm = NULL; - epcm->voice = NULL; - } - - return snd_pcm_lib_free_pages(substream); -} - -/* prepare callback */ -static int snd_emu10k1x_pcm_prepare(struct snd_pcm_substream *substream) -{ - struct emu10k1x *emu = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - struct emu10k1x_pcm *epcm = runtime->private_data; - int voice = epcm->voice->number; - u32 *table_base = (u32 *)(emu->dma_buffer.area+1024*voice); - u32 period_size_bytes = frames_to_bytes(runtime, runtime->period_size); - int i; - - for(i = 0; i < runtime->periods; i++) { - *table_base++=runtime->dma_addr+(i*period_size_bytes); - *table_base++=period_size_bytes<<16; - } - - snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_ADDR, voice, emu->dma_buffer.addr+1024*voice); - snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_SIZE, voice, (runtime->periods - 1) << 19); - snd_emu10k1x_ptr_write(emu, PLAYBACK_LIST_PTR, voice, 0); - snd_emu10k1x_ptr_write(emu, PLAYBACK_POINTER, voice, 0); - snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN1, voice, 0); - snd_emu10k1x_ptr_write(emu, PLAYBACK_UNKNOWN2, voice, 0); - snd_emu10k1x_ptr_write(emu, PLAYBACK_DMA_ADDR, voice, runtime->dma_addr); - - snd_emu10k1x_ptr_write(emu, PLAYBACK_PERIOD_SIZE, voice, frames_to_bytes(runtime, runtime->period_size)<<16); - - return 0; -} - -/* trigger callback */ -static int snd_emu10k1x_pcm_trigger(struct snd_pcm_substream *substream, - int cmd) -{ - struct emu10k1x *emu = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - struct emu10k1x_pcm *epcm = runtime->private_data; - int channel = epcm->voice->number; - int result = 0; - -// snd_printk(KERN_INFO "trigger - emu10k1x = 0x%x, cmd = %i, pointer = %d\n", (int)emu, cmd, (int)substream->ops->pointer(substream)); - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - if(runtime->periods == 2) - snd_emu10k1x_intr_enable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel); - else - snd_emu10k1x_intr_enable(emu, INTE_CH_0_LOOP << channel); - epcm->running = 1; - snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|(TRIGGER_CHANNEL_0<<channel)); - break; - case SNDRV_PCM_TRIGGER_STOP: - epcm->running = 0; - snd_emu10k1x_intr_disable(emu, (INTE_CH_0_LOOP | INTE_CH_0_HALF_LOOP) << channel); - snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CHANNEL_0<<channel)); - break; - default: - result = -EINVAL; - break; - } - return result; -} - -/* pointer callback */ -static snd_pcm_uframes_t -snd_emu10k1x_pcm_pointer(struct snd_pcm_substream *substream) -{ - struct emu10k1x *emu = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - struct emu10k1x_pcm *epcm = runtime->private_data; - int channel = epcm->voice->number; - snd_pcm_uframes_t ptr = 0, ptr1 = 0, ptr2= 0,ptr3 = 0,ptr4 = 0; - - if (!epcm->running) - return 0; - - ptr3 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel); - ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel); - ptr4 = snd_emu10k1x_ptr_read(emu, PLAYBACK_LIST_PTR, channel); - - if(ptr4 == 0 && ptr1 == frames_to_bytes(runtime, runtime->buffer_size)) - return 0; - - if (ptr3 != ptr4) - ptr1 = snd_emu10k1x_ptr_read(emu, PLAYBACK_POINTER, channel); - ptr2 = bytes_to_frames(runtime, ptr1); - ptr2 += (ptr4 >> 3) * runtime->period_size; - ptr = ptr2; - - if (ptr >= runtime->buffer_size) - ptr -= runtime->buffer_size; - - return ptr; -} - -/* operators */ -static struct snd_pcm_ops snd_emu10k1x_playback_ops = { - .open = snd_emu10k1x_playback_open, - .close = snd_emu10k1x_playback_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_emu10k1x_pcm_hw_params, - .hw_free = snd_emu10k1x_pcm_hw_free, - .prepare = snd_emu10k1x_pcm_prepare, - .trigger = snd_emu10k1x_pcm_trigger, - .pointer = snd_emu10k1x_pcm_pointer, -}; - -/* open_capture callback */ -static int snd_emu10k1x_pcm_open_capture(struct snd_pcm_substream *substream) -{ - struct emu10k1x *chip = snd_pcm_substream_chip(substream); - struct emu10k1x_pcm *epcm; - struct snd_pcm_runtime *runtime = substream->runtime; - int err; - - if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) - return err; - if ((err = snd_pcm_hw_constraint_step(runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 64)) < 0) - return err; - - epcm = kzalloc(sizeof(*epcm), GFP_KERNEL); - if (epcm == NULL) - return -ENOMEM; - - epcm->emu = chip; - epcm->substream = substream; - - runtime->private_data = epcm; - runtime->private_free = snd_emu10k1x_pcm_free_substream; - - runtime->hw = snd_emu10k1x_capture_hw; - - return 0; -} - -/* close callback */ -static int snd_emu10k1x_pcm_close_capture(struct snd_pcm_substream *substream) -{ - return 0; -} - -/* hw_params callback */ -static int snd_emu10k1x_pcm_hw_params_capture(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - struct emu10k1x_pcm *epcm = runtime->private_data; - - if (! epcm->voice) { - if (epcm->emu->capture_voice.use) - return -EBUSY; - epcm->voice = &epcm->emu->capture_voice; - epcm->voice->epcm = epcm; - epcm->voice->use = 1; - } - - return snd_pcm_lib_malloc_pages(substream, - params_buffer_bytes(hw_params)); -} - -/* hw_free callback */ -static int snd_emu10k1x_pcm_hw_free_capture(struct snd_pcm_substream *substream) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - - struct emu10k1x_pcm *epcm; - - if (runtime->private_data == NULL) - return 0; - epcm = runtime->private_data; - - if (epcm->voice) { - epcm->voice->use = 0; - epcm->voice->epcm = NULL; - epcm->voice = NULL; - } - - return snd_pcm_lib_free_pages(substream); -} - -/* prepare capture callback */ -static int snd_emu10k1x_pcm_prepare_capture(struct snd_pcm_substream *substream) -{ - struct emu10k1x *emu = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - - snd_emu10k1x_ptr_write(emu, CAPTURE_DMA_ADDR, 0, runtime->dma_addr); - snd_emu10k1x_ptr_write(emu, CAPTURE_BUFFER_SIZE, 0, frames_to_bytes(runtime, runtime->buffer_size)<<16); // buffer size in bytes - snd_emu10k1x_ptr_write(emu, CAPTURE_POINTER, 0, 0); - snd_emu10k1x_ptr_write(emu, CAPTURE_UNKNOWN, 0, 0); - - return 0; -} - -/* trigger_capture callback */ -static int snd_emu10k1x_pcm_trigger_capture(struct snd_pcm_substream *substream, - int cmd) -{ - struct emu10k1x *emu = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - struct emu10k1x_pcm *epcm = runtime->private_data; - int result = 0; - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - snd_emu10k1x_intr_enable(emu, INTE_CAP_0_LOOP | - INTE_CAP_0_HALF_LOOP); - snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0)|TRIGGER_CAPTURE); - epcm->running = 1; - break; - case SNDRV_PCM_TRIGGER_STOP: - epcm->running = 0; - snd_emu10k1x_intr_disable(emu, INTE_CAP_0_LOOP | - INTE_CAP_0_HALF_LOOP); - snd_emu10k1x_ptr_write(emu, TRIGGER_CHANNEL, 0, snd_emu10k1x_ptr_read(emu, TRIGGER_CHANNEL, 0) & ~(TRIGGER_CAPTURE)); - break; - default: - result = -EINVAL; - break; - } - return result; -} - -/* pointer_capture callback */ -static snd_pcm_uframes_t -snd_emu10k1x_pcm_pointer_capture(struct snd_pcm_substream *substream) -{ - struct emu10k1x *emu = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - struct emu10k1x_pcm *epcm = runtime->private_data; - snd_pcm_uframes_t ptr; - - if (!epcm->running) - return 0; - - ptr = bytes_to_frames(runtime, snd_emu10k1x_ptr_read(emu, CAPTURE_POINTER, 0)); - if (ptr >= runtime->buffer_size) - ptr -= runtime->buffer_size; - - return ptr; -} - -static struct snd_pcm_ops snd_emu10k1x_capture_ops = { - .open = snd_emu10k1x_pcm_open_capture, - .close = snd_emu10k1x_pcm_close_capture, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_emu10k1x_pcm_hw_params_capture, - .hw_free = snd_emu10k1x_pcm_hw_free_capture, - .prepare = snd_emu10k1x_pcm_prepare_capture, - .trigger = snd_emu10k1x_pcm_trigger_capture, - .pointer = snd_emu10k1x_pcm_pointer_capture, -}; - -static unsigned short snd_emu10k1x_ac97_read(struct snd_ac97 *ac97, - unsigned short reg) -{ - struct emu10k1x *emu = ac97->private_data; - unsigned long flags; - unsigned short val; - - spin_lock_irqsave(&emu->emu_lock, flags); - outb(reg, emu->port + AC97ADDRESS); - val = inw(emu->port + AC97DATA); - spin_unlock_irqrestore(&emu->emu_lock, flags); - return val; -} - -static void snd_emu10k1x_ac97_write(struct snd_ac97 *ac97, - unsigned short reg, unsigned short val) -{ - struct emu10k1x *emu = ac97->private_data; - unsigned long flags; - - spin_lock_irqsave(&emu->emu_lock, flags); - outb(reg, emu->port + AC97ADDRESS); - outw(val, emu->port + AC97DATA); - spin_unlock_irqrestore(&emu->emu_lock, flags); -} - -static int snd_emu10k1x_ac97(struct emu10k1x *chip) -{ - struct snd_ac97_bus *pbus; - struct snd_ac97_template ac97; - int err; - static struct snd_ac97_bus_ops ops = { - .write = snd_emu10k1x_ac97_write, - .read = snd_emu10k1x_ac97_read, - }; - - if ((err = snd_ac97_bus(chip->card, 0, &ops, NULL, &pbus)) < 0) - return err; - pbus->no_vra = 1; /* we don't need VRA */ - - memset(&ac97, 0, sizeof(ac97)); - ac97.private_data = chip; - ac97.scaps = AC97_SCAP_NO_SPDIF; - return snd_ac97_mixer(pbus, &ac97, &chip->ac97); -} - -static int snd_emu10k1x_free(struct emu10k1x *chip) -{ - snd_emu10k1x_ptr_write(chip, TRIGGER_CHANNEL, 0, 0); - // disable interrupts - outl(0, chip->port + INTE); - // disable audio - outl(HCFG_LOCKSOUNDCACHE, chip->port + HCFG); - - /* release the irq */ - if (chip->irq >= 0) - free_irq(chip->irq, chip); - - // release the i/o port - release_and_free_resource(chip->res_port); - - // release the DMA - if (chip->dma_buffer.area) { - snd_dma_free_pages(&chip->dma_buffer); - } - - pci_disable_device(chip->pci); - - // release the data - kfree(chip); - return 0; -} - -static int snd_emu10k1x_dev_free(struct snd_device *device) -{ - struct emu10k1x *chip = device->device_data; - return snd_emu10k1x_free(chip); -} - -static irqreturn_t snd_emu10k1x_interrupt(int irq, void *dev_id) -{ - unsigned int status; - - struct emu10k1x *chip = dev_id; - struct emu10k1x_voice *pvoice = chip->voices; - int i; - int mask; - - status = inl(chip->port + IPR); - - if (! status) - return IRQ_NONE; - - // capture interrupt - if (status & (IPR_CAP_0_LOOP | IPR_CAP_0_HALF_LOOP)) { - struct emu10k1x_voice *cap_voice = &chip->capture_voice; - if (cap_voice->use) - snd_emu10k1x_pcm_interrupt(chip, cap_voice); - else - snd_emu10k1x_intr_disable(chip, - INTE_CAP_0_LOOP | - INTE_CAP_0_HALF_LOOP); - } - - mask = IPR_CH_0_LOOP|IPR_CH_0_HALF_LOOP; - for (i = 0; i < 3; i++) { - if (status & mask) { - if (pvoice->use) - snd_emu10k1x_pcm_interrupt(chip, pvoice); - else - snd_emu10k1x_intr_disable(chip, mask); - } - pvoice++; - mask <<= 1; - } - - if (status & (IPR_MIDITRANSBUFEMPTY|IPR_MIDIRECVBUFEMPTY)) { - if (chip->midi.interrupt) - chip->midi.interrupt(chip, status); - else - snd_emu10k1x_intr_disable(chip, INTE_MIDITXENABLE|INTE_MIDIRXENABLE); - } - - // acknowledge the interrupt if necessary - outl(status, chip->port + IPR); - - // snd_printk(KERN_INFO "interrupt %08x\n", status); - return IRQ_HANDLED; -} - -static int __devinit snd_emu10k1x_pcm(struct emu10k1x *emu, int device, struct snd_pcm **rpcm) -{ - struct snd_pcm *pcm; - int err; - int capture = 0; - - if (rpcm) - *rpcm = NULL; - if (device == 0) - capture = 1; - - if ((err = snd_pcm_new(emu->card, "emu10k1x", device, 1, capture, &pcm)) < 0) - return err; - - pcm->private_data = emu; - - switch(device) { - case 0: - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops); - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_emu10k1x_capture_ops); - break; - case 1: - case 2: - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_emu10k1x_playback_ops); - break; - } - - pcm->info_flags = 0; - switch(device) { - case 0: - strcpy(pcm->name, "EMU10K1X Front"); - break; - case 1: - strcpy(pcm->name, "EMU10K1X Rear"); - break; - case 2: - strcpy(pcm->name, "EMU10K1X Center/LFE"); - break; - } - emu->pcm = pcm; - - snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, - snd_dma_pci_data(emu->pci), - 32*1024, 32*1024); - - if (rpcm) - *rpcm = pcm; - - return 0; -} - -static int __devinit snd_emu10k1x_create(struct snd_card *card, - struct pci_dev *pci, - struct emu10k1x **rchip) -{ - struct emu10k1x *chip; - int err; - int ch; - static struct snd_device_ops ops = { - .dev_free = snd_emu10k1x_dev_free, - }; - - *rchip = NULL; - - 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) { - snd_printk(KERN_ERR "error to set 28bit mask DMA\n"); - pci_disable_device(pci); - return -ENXIO; - } - - chip = kzalloc(sizeof(*chip), GFP_KERNEL); - if (chip == NULL) { - pci_disable_device(pci); - return -ENOMEM; - } - - chip->card = card; - chip->pci = pci; - chip->irq = -1; - - spin_lock_init(&chip->emu_lock); - spin_lock_init(&chip->voice_lock); - - chip->port = pci_resource_start(pci, 0); - if ((chip->res_port = request_region(chip->port, 8, - "EMU10K1X")) == NULL) { - snd_printk(KERN_ERR "emu10k1x: cannot allocate the port 0x%lx\n", chip->port); - snd_emu10k1x_free(chip); - return -EBUSY; - } - - if (request_irq(pci->irq, snd_emu10k1x_interrupt, - IRQF_SHARED, KBUILD_MODNAME, chip)) { - snd_printk(KERN_ERR "emu10k1x: cannot grab irq %d\n", pci->irq); - snd_emu10k1x_free(chip); - return -EBUSY; - } - chip->irq = pci->irq; - - if(snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, snd_dma_pci_data(pci), - 4 * 1024, &chip->dma_buffer) < 0) { - snd_emu10k1x_free(chip); - return -ENOMEM; - } - - pci_set_master(pci); - /* read revision & serial */ - chip->revision = pci->revision; - pci_read_config_dword(pci, PCI_SUBSYSTEM_VENDOR_ID, &chip->serial); - pci_read_config_word(pci, PCI_SUBSYSTEM_ID, &chip->model); - snd_printk(KERN_INFO "Model %04x Rev %08x Serial %08x\n", chip->model, - chip->revision, chip->serial); - - outl(0, chip->port + INTE); - - for(ch = 0; ch < 3; ch++) { - chip->voices[ch].emu = chip; - chip->voices[ch].number = ch; - } - - /* - * Init to 0x02109204 : - * Clock accuracy = 0 (1000ppm) - * Sample Rate = 2 (48kHz) - * Audio Channel = 1 (Left of 2) - * Source Number = 0 (Unspecified) - * Generation Status = 1 (Original for Cat Code 12) - * Cat Code = 12 (Digital Signal Mixer) - * Mode = 0 (Mode 0) - * Emphasis = 0 (None) - * CP = 1 (Copyright unasserted) - * AN = 0 (Audio data) - * P = 0 (Consumer) - */ - snd_emu10k1x_ptr_write(chip, SPCS0, 0, - chip->spdif_bits[0] = - SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | - SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | - SPCS_GENERATIONSTATUS | 0x00001200 | - 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); - snd_emu10k1x_ptr_write(chip, SPCS1, 0, - chip->spdif_bits[1] = - SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | - SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | - SPCS_GENERATIONSTATUS | 0x00001200 | - 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); - snd_emu10k1x_ptr_write(chip, SPCS2, 0, - chip->spdif_bits[2] = - SPCS_CLKACCY_1000PPM | SPCS_SAMPLERATE_48 | - SPCS_CHANNELNUM_LEFT | SPCS_SOURCENUM_UNSPEC | - SPCS_GENERATIONSTATUS | 0x00001200 | - 0x00000000 | SPCS_EMPHASIS_NONE | SPCS_COPYRIGHT); - - snd_emu10k1x_ptr_write(chip, SPDIF_SELECT, 0, 0x700); // disable SPDIF - snd_emu10k1x_ptr_write(chip, ROUTING, 0, 0x1003F); // routing - snd_emu10k1x_gpio_write(chip, 0x1080); // analog mode - - outl(HCFG_LOCKSOUNDCACHE|HCFG_AUDIOENABLE, chip->port+HCFG); - - if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, - chip, &ops)) < 0) { - snd_emu10k1x_free(chip); - return err; - } - *rchip = chip; - return 0; -} - -static void snd_emu10k1x_proc_reg_read(struct snd_info_entry *entry, - struct snd_info_buffer *buffer) -{ - struct emu10k1x *emu = entry->private_data; - unsigned long value,value1,value2; - unsigned long flags; - int i; - - snd_iprintf(buffer, "Registers:\n\n"); - for(i = 0; i < 0x20; i+=4) { - spin_lock_irqsave(&emu->emu_lock, flags); - value = inl(emu->port + i); - spin_unlock_irqrestore(&emu->emu_lock, flags); - snd_iprintf(buffer, "Register %02X: %08lX\n", i, value); - } - snd_iprintf(buffer, "\nRegisters\n\n"); - for(i = 0; i <= 0x48; i++) { - value = snd_emu10k1x_ptr_read(emu, i, 0); - if(i < 0x10 || (i >= 0x20 && i < 0x40)) { - value1 = snd_emu10k1x_ptr_read(emu, i, 1); - value2 = snd_emu10k1x_ptr_read(emu, i, 2); - snd_iprintf(buffer, "%02X: %08lX %08lX %08lX\n", i, value, value1, value2); - } else { - snd_iprintf(buffer, "%02X: %08lX\n", i, value); - } - } -} - -static void snd_emu10k1x_proc_reg_write(struct snd_info_entry *entry, - struct snd_info_buffer *buffer) -{ - struct emu10k1x *emu = entry->private_data; - char line[64]; - unsigned int reg, channel_id , val; - - while (!snd_info_get_line(buffer, line, sizeof(line))) { - if (sscanf(line, "%x %x %x", ®, &channel_id, &val) != 3) - continue; - - if (reg < 0x49 && val <= 0xffffffff && channel_id <= 2) - snd_emu10k1x_ptr_write(emu, reg, channel_id, val); - } -} - -static int __devinit snd_emu10k1x_proc_init(struct emu10k1x * emu) -{ - struct snd_info_entry *entry; - - if(! snd_card_proc_new(emu->card, "emu10k1x_regs", &entry)) { - snd_info_set_text_ops(entry, emu, snd_emu10k1x_proc_reg_read); - entry->c.text.write = snd_emu10k1x_proc_reg_write; - entry->mode |= S_IWUSR; - entry->private_data = emu; - } - - return 0; -} - -#define snd_emu10k1x_shared_spdif_info snd_ctl_boolean_mono_info - -static int snd_emu10k1x_shared_spdif_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct emu10k1x *emu = snd_kcontrol_chip(kcontrol); - - ucontrol->value.integer.value[0] = (snd_emu10k1x_ptr_read(emu, SPDIF_SELECT, 0) == 0x700) ? 0 : 1; - - return 0; -} - -static int snd_emu10k1x_shared_spdif_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct emu10k1x *emu = snd_kcontrol_chip(kcontrol); - unsigned int val; - int change = 0; - - val = ucontrol->value.integer.value[0] ; - - if (val) { - // enable spdif output - snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x000); - snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x700); - snd_emu10k1x_gpio_write(emu, 0x1000); - } else { - // disable spdif output - snd_emu10k1x_ptr_write(emu, SPDIF_SELECT, 0, 0x700); - snd_emu10k1x_ptr_write(emu, ROUTING, 0, 0x1003F); - snd_emu10k1x_gpio_write(emu, 0x1080); - } - return change; -} - -static struct snd_kcontrol_new snd_emu10k1x_shared_spdif __devinitdata = -{ - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Analog/Digital Output Jack", - .info = snd_emu10k1x_shared_spdif_info, - .get = snd_emu10k1x_shared_spdif_get, - .put = snd_emu10k1x_shared_spdif_put -}; - -static int snd_emu10k1x_spdif_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) -{ - uinfo->type = SNDRV_CTL_ELEM_TYPE_IEC958; - uinfo->count = 1; - return 0; -} - -static int snd_emu10k1x_spdif_get(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct emu10k1x *emu = snd_kcontrol_chip(kcontrol); - unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); - - ucontrol->value.iec958.status[0] = (emu->spdif_bits[idx] >> 0) & 0xff; - ucontrol->value.iec958.status[1] = (emu->spdif_bits[idx] >> 8) & 0xff; - ucontrol->value.iec958.status[2] = (emu->spdif_bits[idx] >> 16) & 0xff; - ucontrol->value.iec958.status[3] = (emu->spdif_bits[idx] >> 24) & 0xff; - return 0; -} - -static int snd_emu10k1x_spdif_get_mask(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - ucontrol->value.iec958.status[0] = 0xff; - ucontrol->value.iec958.status[1] = 0xff; - ucontrol->value.iec958.status[2] = 0xff; - ucontrol->value.iec958.status[3] = 0xff; - return 0; -} - -static int snd_emu10k1x_spdif_put(struct snd_kcontrol *kcontrol, - struct snd_ctl_elem_value *ucontrol) -{ - struct emu10k1x *emu = snd_kcontrol_chip(kcontrol); - unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id); - int change; - unsigned int val; - - val = (ucontrol->value.iec958.status[0] << 0) | - (ucontrol->value.iec958.status[1] << 8) | - (ucontrol->value.iec958.status[2] << 16) | - (ucontrol->value.iec958.status[3] << 24); - change = val != emu->spdif_bits[idx]; - if (change) { - snd_emu10k1x_ptr_write(emu, SPCS0 + idx, 0, val); - emu->spdif_bits[idx] = val; - } - return change; -} - -static struct snd_kcontrol_new snd_emu10k1x_spdif_mask_control = -{ - .access = SNDRV_CTL_ELEM_ACCESS_READ, - .iface = SNDRV_CTL_ELEM_IFACE_PCM, - .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,MASK), - .count = 3, - .info = snd_emu10k1x_spdif_info, - .get = snd_emu10k1x_spdif_get_mask -}; - -static struct snd_kcontrol_new snd_emu10k1x_spdif_control = -{ - .iface = SNDRV_CTL_ELEM_IFACE_PCM, - .name = SNDRV_CTL_NAME_IEC958("",PLAYBACK,DEFAULT), - .count = 3, - .info = snd_emu10k1x_spdif_info, - .get = snd_emu10k1x_spdif_get, - .put = snd_emu10k1x_spdif_put -}; - -static int __devinit snd_emu10k1x_mixer(struct emu10k1x *emu) -{ - int err; - struct snd_kcontrol *kctl; - struct snd_card *card = emu->card; - - if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_mask_control, emu)) == NULL) - return -ENOMEM; - if ((err = snd_ctl_add(card, kctl))) - return err; - if ((kctl = snd_ctl_new1(&snd_emu10k1x_shared_spdif, emu)) == NULL) - return -ENOMEM; - if ((err = snd_ctl_add(card, kctl))) - return err; - if ((kctl = snd_ctl_new1(&snd_emu10k1x_spdif_control, emu)) == NULL) - return -ENOMEM; - if ((err = snd_ctl_add(card, kctl))) - return err; - - return 0; -} - -#define EMU10K1X_MIDI_MODE_INPUT (1<<0) -#define EMU10K1X_MIDI_MODE_OUTPUT (1<<1) - -static inline unsigned char mpu401_read(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int idx) -{ - return (unsigned char)snd_emu10k1x_ptr_read(emu, mpu->port + idx, 0); -} - -static inline void mpu401_write(struct emu10k1x *emu, struct emu10k1x_midi *mpu, int data, int idx) -{ - snd_emu10k1x_ptr_write(emu, mpu->port + idx, 0, data); -} - -#define mpu401_write_data(emu, mpu, data) mpu401_write(emu, mpu, data, 0) -#define mpu401_write_cmd(emu, mpu, data) mpu401_write(emu, mpu, data, 1) -#define mpu401_read_data(emu, mpu) mpu401_read(emu, mpu, 0) -#define mpu401_read_stat(emu, mpu) mpu401_read(emu, mpu, 1) - -#define mpu401_input_avail(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x80)) -#define mpu401_output_ready(emu,mpu) (!(mpu401_read_stat(emu,mpu) & 0x40)) - -#define MPU401_RESET 0xff -#define MPU401_ENTER_UART 0x3f -#define MPU401_ACK 0xfe - -static void mpu401_clear_rx(struct emu10k1x *emu, struct emu10k1x_midi *mpu) -{ - int timeout = 100000; - for (; timeout > 0 && mpu401_input_avail(emu, mpu); timeout--) - mpu401_read_data(emu, mpu); -#ifdef CONFIG_SND_DEBUG - if (timeout <= 0) - snd_printk(KERN_ERR "cmd: clear rx timeout (status = 0x%x)\n", mpu401_read_stat(emu, mpu)); -#endif -} - -/* - - */ - -static void do_emu10k1x_midi_interrupt(struct emu10k1x *emu, - struct emu10k1x_midi *midi, unsigned int status) -{ - unsigned char byte; - - if (midi->rmidi == NULL) { - snd_emu10k1x_intr_disable(emu, midi->tx_enable | midi->rx_enable); - return; - } - - spin_lock(&midi->input_lock); - if ((status & midi->ipr_rx) && mpu401_input_avail(emu, midi)) { - if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) { - mpu401_clear_rx(emu, midi); - } else { - byte = mpu401_read_data(emu, midi); - if (midi->substream_input) - snd_rawmidi_receive(midi->substream_input, &byte, 1); - } - } - spin_unlock(&midi->input_lock); - - spin_lock(&midi->output_lock); - if ((status & midi->ipr_tx) && mpu401_output_ready(emu, midi)) { - if (midi->substream_output && - snd_rawmidi_transmit(midi->substream_output, &byte, 1) == 1) { - mpu401_write_data(emu, midi, byte); - } else { - snd_emu10k1x_intr_disable(emu, midi->tx_enable); - } - } - spin_unlock(&midi->output_lock); -} - -static void snd_emu10k1x_midi_interrupt(struct emu10k1x *emu, unsigned int status) -{ - do_emu10k1x_midi_interrupt(emu, &emu->midi, status); -} - -static int snd_emu10k1x_midi_cmd(struct emu10k1x * emu, - struct emu10k1x_midi *midi, unsigned char cmd, int ack) -{ - unsigned long flags; - int timeout, ok; - - spin_lock_irqsave(&midi->input_lock, flags); - mpu401_write_data(emu, midi, 0x00); - /* mpu401_clear_rx(emu, midi); */ - - mpu401_write_cmd(emu, midi, cmd); - if (ack) { - ok = 0; - timeout = 10000; - while (!ok && timeout-- > 0) { - if (mpu401_input_avail(emu, midi)) { - if (mpu401_read_data(emu, midi) == MPU401_ACK) - ok = 1; - } - } - if (!ok && mpu401_read_data(emu, midi) == MPU401_ACK) - ok = 1; - } else { - ok = 1; - } - spin_unlock_irqrestore(&midi->input_lock, flags); - if (!ok) { - snd_printk(KERN_ERR "midi_cmd: 0x%x failed at 0x%lx (status = 0x%x, data = 0x%x)!!!\n", - cmd, emu->port, - mpu401_read_stat(emu, midi), - mpu401_read_data(emu, midi)); - return 1; - } - return 0; -} - -static int snd_emu10k1x_midi_input_open(struct snd_rawmidi_substream *substream) -{ - struct emu10k1x *emu; - struct emu10k1x_midi *midi = substream->rmidi->private_data; - unsigned long flags; - - emu = midi->emu; - if (snd_BUG_ON(!emu)) - return -ENXIO; - spin_lock_irqsave(&midi->open_lock, flags); - midi->midi_mode |= EMU10K1X_MIDI_MODE_INPUT; - midi->substream_input = substream; - if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) { - spin_unlock_irqrestore(&midi->open_lock, flags); - if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1)) - goto error_out; - if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1)) - goto error_out; - } else { - spin_unlock_irqrestore(&midi->open_lock, flags); - } - return 0; - -error_out: - return -EIO; -} - -static int snd_emu10k1x_midi_output_open(struct snd_rawmidi_substream *substream) -{ - struct emu10k1x *emu; - struct emu10k1x_midi *midi = substream->rmidi->private_data; - unsigned long flags; - - emu = midi->emu; - if (snd_BUG_ON(!emu)) - return -ENXIO; - spin_lock_irqsave(&midi->open_lock, flags); - midi->midi_mode |= EMU10K1X_MIDI_MODE_OUTPUT; - midi->substream_output = substream; - if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) { - spin_unlock_irqrestore(&midi->open_lock, flags); - if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 1)) - goto error_out; - if (snd_emu10k1x_midi_cmd(emu, midi, MPU401_ENTER_UART, 1)) - goto error_out; - } else { - spin_unlock_irqrestore(&midi->open_lock, flags); - } - return 0; - -error_out: - return -EIO; -} - -static int snd_emu10k1x_midi_input_close(struct snd_rawmidi_substream *substream) -{ - struct emu10k1x *emu; - struct emu10k1x_midi *midi = substream->rmidi->private_data; - unsigned long flags; - int err = 0; - - emu = midi->emu; - if (snd_BUG_ON(!emu)) - return -ENXIO; - spin_lock_irqsave(&midi->open_lock, flags); - snd_emu10k1x_intr_disable(emu, midi->rx_enable); - midi->midi_mode &= ~EMU10K1X_MIDI_MODE_INPUT; - midi->substream_input = NULL; - if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT)) { - spin_unlock_irqrestore(&midi->open_lock, flags); - err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0); - } else { - spin_unlock_irqrestore(&midi->open_lock, flags); - } - return err; -} - -static int snd_emu10k1x_midi_output_close(struct snd_rawmidi_substream *substream) -{ - struct emu10k1x *emu; - struct emu10k1x_midi *midi = substream->rmidi->private_data; - unsigned long flags; - int err = 0; - - emu = midi->emu; - if (snd_BUG_ON(!emu)) - return -ENXIO; - spin_lock_irqsave(&midi->open_lock, flags); - snd_emu10k1x_intr_disable(emu, midi->tx_enable); - midi->midi_mode &= ~EMU10K1X_MIDI_MODE_OUTPUT; - midi->substream_output = NULL; - if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_INPUT)) { - spin_unlock_irqrestore(&midi->open_lock, flags); - err = snd_emu10k1x_midi_cmd(emu, midi, MPU401_RESET, 0); - } else { - spin_unlock_irqrestore(&midi->open_lock, flags); - } - return err; -} - -static void snd_emu10k1x_midi_input_trigger(struct snd_rawmidi_substream *substream, int up) -{ - struct emu10k1x *emu; - struct emu10k1x_midi *midi = substream->rmidi->private_data; - emu = midi->emu; - if (snd_BUG_ON(!emu)) - return; - - if (up) - snd_emu10k1x_intr_enable(emu, midi->rx_enable); - else - snd_emu10k1x_intr_disable(emu, midi->rx_enable); -} - -static void snd_emu10k1x_midi_output_trigger(struct snd_rawmidi_substream *substream, int up) -{ - struct emu10k1x *emu; - struct emu10k1x_midi *midi = substream->rmidi->private_data; - unsigned long flags; - - emu = midi->emu; - if (snd_BUG_ON(!emu)) - return; - - if (up) { - int max = 4; - unsigned char byte; - - /* try to send some amount of bytes here before interrupts */ - spin_lock_irqsave(&midi->output_lock, flags); - while (max > 0) { - if (mpu401_output_ready(emu, midi)) { - if (!(midi->midi_mode & EMU10K1X_MIDI_MODE_OUTPUT) || - snd_rawmidi_transmit(substream, &byte, 1) != 1) { - /* no more data */ - spin_unlock_irqrestore(&midi->output_lock, flags); - return; - } - mpu401_write_data(emu, midi, byte); - max--; - } else { - break; - } - } - spin_unlock_irqrestore(&midi->output_lock, flags); - snd_emu10k1x_intr_enable(emu, midi->tx_enable); - } else { - snd_emu10k1x_intr_disable(emu, midi->tx_enable); - } -} - -/* - - */ - -static struct snd_rawmidi_ops snd_emu10k1x_midi_output = -{ - .open = snd_emu10k1x_midi_output_open, - .close = snd_emu10k1x_midi_output_close, - .trigger = snd_emu10k1x_midi_output_trigger, -}; - -static struct snd_rawmidi_ops snd_emu10k1x_midi_input = -{ - .open = snd_emu10k1x_midi_input_open, - .close = snd_emu10k1x_midi_input_close, - .trigger = snd_emu10k1x_midi_input_trigger, -}; - -static void snd_emu10k1x_midi_free(struct snd_rawmidi *rmidi) -{ - struct emu10k1x_midi *midi = rmidi->private_data; - midi->interrupt = NULL; - midi->rmidi = NULL; -} - -static int __devinit emu10k1x_midi_init(struct emu10k1x *emu, - struct emu10k1x_midi *midi, int device, char *name) -{ - struct snd_rawmidi *rmidi; - int err; - - if ((err = snd_rawmidi_new(emu->card, name, device, 1, 1, &rmidi)) < 0) - return err; - midi->emu = emu; - spin_lock_init(&midi->open_lock); - spin_lock_init(&midi->input_lock); - spin_lock_init(&midi->output_lock); - strcpy(rmidi->name, name); - snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_OUTPUT, &snd_emu10k1x_midi_output); - snd_rawmidi_set_ops(rmidi, SNDRV_RAWMIDI_STREAM_INPUT, &snd_emu10k1x_midi_input); - rmidi->info_flags |= SNDRV_RAWMIDI_INFO_OUTPUT | - SNDRV_RAWMIDI_INFO_INPUT | - SNDRV_RAWMIDI_INFO_DUPLEX; - rmidi->private_data = midi; - rmidi->private_free = snd_emu10k1x_midi_free; - midi->rmidi = rmidi; - return 0; -} - -static int __devinit snd_emu10k1x_midi(struct emu10k1x *emu) -{ - struct emu10k1x_midi *midi = &emu->midi; - int err; - - if ((err = emu10k1x_midi_init(emu, midi, 0, "EMU10K1X MPU-401 (UART)")) < 0) - return err; - - midi->tx_enable = INTE_MIDITXENABLE; - midi->rx_enable = INTE_MIDIRXENABLE; - midi->port = MUDATA; - midi->ipr_tx = IPR_MIDITRANSBUFEMPTY; - midi->ipr_rx = IPR_MIDIRECVBUFEMPTY; - midi->interrupt = snd_emu10k1x_midi_interrupt; - return 0; -} - -static int __devinit snd_emu10k1x_probe(struct pci_dev *pci, - const struct pci_device_id *pci_id) -{ - static int dev; - struct snd_card *card; - struct emu10k1x *chip; - int err; - - 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; - - if ((err = snd_emu10k1x_create(card, pci, &chip)) < 0) { - snd_card_free(card); - return err; - } - - if ((err = snd_emu10k1x_pcm(chip, 0, NULL)) < 0) { - snd_card_free(card); - return err; - } - if ((err = snd_emu10k1x_pcm(chip, 1, NULL)) < 0) { - snd_card_free(card); - return err; - } - if ((err = snd_emu10k1x_pcm(chip, 2, NULL)) < 0) { - snd_card_free(card); - return err; - } - - if ((err = snd_emu10k1x_ac97(chip)) < 0) { - snd_card_free(card); - return err; - } - - if ((err = snd_emu10k1x_mixer(chip)) < 0) { - snd_card_free(card); - return err; - } - - if ((err = snd_emu10k1x_midi(chip)) < 0) { - snd_card_free(card); - return err; - } - - snd_emu10k1x_proc_init(chip); - - strcpy(card->driver, "EMU10K1X"); - strcpy(card->shortname, "Dell Sound Blaster Live!"); - sprintf(card->longname, "%s at 0x%lx irq %i", - card->shortname, chip->port, chip->irq); - - snd_card_set_dev(card, &pci->dev); - - if ((err = snd_card_register(card)) < 0) { - snd_card_free(card); - return err; - } - - pci_set_drvdata(pci, card); - dev++; - return 0; -} - -static void __devexit snd_emu10k1x_remove(struct pci_dev *pci) -{ - snd_card_free(pci_get_drvdata(pci)); - pci_set_drvdata(pci, NULL); -} - -// PCI IDs -static DEFINE_PCI_DEVICE_TABLE(snd_emu10k1x_ids) = { - { PCI_VDEVICE(CREATIVE, 0x0006), 0 }, /* Dell OEM version (EMU10K1) */ - { 0, } -}; -MODULE_DEVICE_TABLE(pci, snd_emu10k1x_ids); - -// pci_driver definition -static struct pci_driver driver = { - .name = KBUILD_MODNAME, - .id_table = snd_emu10k1x_ids, - .probe = snd_emu10k1x_probe, - .remove = __devexit_p(snd_emu10k1x_remove), -}; - -// initialization of the module -static int __init alsa_card_emu10k1x_init(void) -{ - return pci_register_driver(&driver); -} - -// clean up the module -static void __exit alsa_card_emu10k1x_exit(void) -{ - pci_unregister_driver(&driver); -} - -module_init(alsa_card_emu10k1x_init) -module_exit(alsa_card_emu10k1x_exit) |