diff options
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-alsa.c')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-alsa.c | 1076 |
1 files changed, 677 insertions, 399 deletions
diff --git a/drivers/media/video/saa7134/saa7134-alsa.c b/drivers/media/video/saa7134/saa7134-alsa.c index d09e01f7fc3b..84eeeba21d74 100644 --- a/drivers/media/video/saa7134/saa7134-alsa.c +++ b/drivers/media/video/saa7134/saa7134-alsa.c @@ -1,543 +1,821 @@ /* + * SAA713x ALSA support for V4L + * Ricardo Cerqueira <v4l@cerqueira.org> * - * Support for audio capture - * PCI function #1 of the saa7134 * - * (c) 2005 Mauro Carvalho Chehab <mchehab@brturbo.com.br> - * (c) 2004 Gerd Knorr <kraxel@bytesex.org> - * (c) 2003 Clemens Ladisch <clemens@ladisch.de> + * Caveats: + * I still haven't got the mixer settings right. * - * 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. + * - Volume doesn't work (it's always at max) + * - There's no "memory" of the capture channel. It can be changed, + * but alsamixer doesn't show it after a module restart (rmmod/insmod) * - * 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. + * Hotswapping DOES NOT work yet! Please remove the module before + * inserting cardbus cards. pcmcia-cs or pccardd should load it + * properly after insertion, and things will work + * + * 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, version 2 + * + * 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 * - * 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/module.h> -#include <linux/init.h> -#include <linux/device.h> -#include <linux/interrupt.h> -#include <asm/delay.h> #include <sound/driver.h> +#include <linux/init.h> +#include <linux/slab.h> +#include <linux/time.h> +#include <linux/wait.h> +#include <linux/moduleparam.h> +#include <linux/module.h> #include <sound/core.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> #include <sound/control.h> +#include <sound/pcm.h> +#include <sound/rawmidi.h> #include <sound/initval.h> #include "saa7134.h" #include "saa7134-reg.h" -#define dprintk(level,fmt, arg...) if (debug >= level) \ - printk(KERN_DEBUG "%s/1: " fmt, chip->core->name , ## arg) - - -/**************************************************************************** - Data type declarations - Can be moded to a header file later - ****************************************************************************/ - -#define ANALOG_CLOCK 1792000 -#define CLOCK_DIV_MIN 4 -#define CLOCK_DIV_MAX 15 -#define MAX_PCM_DEVICES 4 -#define MAX_PCM_SUBSTREAMS 16 +static unsigned int alsa_debug = 0; +module_param(alsa_debug, int, 0644); +MODULE_PARM_DESC(alsa_debug,"enable debug messages [alsa]"); + +#define MAX_PCM_DEVICES 1 +#define MAX_PCM_SUBSTREAMS 1 + +/* defaults */ +#define MAX_BUFFER_SIZE (256*1024) +#define USE_FORMATS SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE | SNDRV_PCM_FMTBIT_S8 | SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE +#define USE_RATE SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_48000 +#define USE_RATE_MIN 32000 +#define USE_RATE_MAX 48000 +#define USE_CHANNELS_MIN 1 +#define USE_CHANNELS_MAX 2 +#ifndef USE_PERIODS_MIN +#define USE_PERIODS_MIN 2 +#endif +#ifndef USE_PERIODS_MAX +#define USE_PERIODS_MAX 1024 +#endif -enum { DEVICE_DIGITAL, DEVICE_ANALOG }; -/* These can be replaced after done */ -#define MIXER_ADDR_LAST MAX_saa7134_INPUT +#define dprintk(fmt, arg...) if (alsa_debug) \ + printk(KERN_DEBUG "%s/alsa: " fmt, dev->name , ## arg) -struct saa7134_audio_dev { - struct saa7134_core *core; - struct saa7134_buffer *buf; - struct saa7134_dmaqueue q; - /* pci i/o */ - struct pci_dev *pci; - unsigned char pci_rev,pci_lat; +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ +static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ +static int enable[SNDRV_CARDS] = {1, [1 ... (SNDRV_CARDS - 1)] = 0}; + +#define MIXER_ADDR_TVTUNER 0 +#define MIXER_ADDR_LINE1 1 +#define MIXER_ADDR_LINE2 2 +#define MIXER_ADDR_LAST 2 + +typedef struct snd_card_saa7134 { + snd_card_t *card; + spinlock_t mixer_lock; + int mixer_volume[MIXER_ADDR_LAST+1][2]; + int capture_source[MIXER_ADDR_LAST+1][2]; + struct pci_dev *pci; + struct saa7134_dev *saadev; + + unsigned long iobase; + int irq; + + spinlock_t lock; +} snd_card_saa7134_t; + +typedef struct snd_card_saa7134_pcm { + struct saa7134_dev *saadev; + + spinlock_t lock; + unsigned int pcm_size; /* buffer size */ + unsigned int pcm_count; /* bytes per period */ + unsigned int pcm_bps; /* bytes per second */ + snd_pcm_substream_t *substream; +} snd_card_saa7134_pcm_t; - /* audio controls */ - int irq; - int dig_rate; /* Digital sampling rate */ +static snd_card_t *snd_saa7134_cards[SNDRV_CARDS] = SNDRV_DEFAULT_PTR; - snd_card_t *card; +static void saa7134_dma_stop(struct saa7134_dev *dev) +{ + dev->oss.dma_blk = -1; + dev->oss.dma_running = 0; + saa7134_set_dmabits(dev); +} - spinlock_t reg_lock; +static void saa7134_dma_start(struct saa7134_dev *dev) +{ + dev->oss.dma_blk = 0; + dev->oss.dma_running = 1; + saa7134_set_dmabits(dev); +} - unsigned int dma_size; - unsigned int period_size; +void saa7134_irq_alsa_done(struct saa7134_dev *dev, unsigned long status) +{ + int next_blk, reg = 0; - int mixer_volume[MIXER_ADDR_LAST+1][2]; - int capture_source[MIXER_ADDR_LAST+1][2]; + spin_lock(&dev->slock); + if (UNSET == dev->oss.dma_blk) { + dprintk("irq: recording stopped\n"); + goto done; + } + if (0 != (status & 0x0f000000)) + dprintk("irq: lost %ld\n", (status >> 24) & 0x0f); + if (0 == (status & 0x10000000)) { + /* odd */ + if (0 == (dev->oss.dma_blk & 0x01)) + reg = SAA7134_RS_BA1(6); + } else { + /* even */ + if (1 == (dev->oss.dma_blk & 0x01)) + reg = SAA7134_RS_BA2(6); + } + if (0 == reg) { + dprintk("irq: field oops [%s]\n", + (status & 0x10000000) ? "even" : "odd"); + goto done; + } - long opened; - snd_pcm_substream_t *substream; -}; -typedef struct saa7134_audio_dev snd_saa7134_card_t; + if (dev->oss.read_count >= dev->oss.blksize * (dev->oss.blocks-2)) { + dprintk("irq: overrun [full=%d/%d] - Blocks in %d\n",dev->oss.read_count, + dev->oss.bufsize, dev->oss.blocks); + saa7134_dma_stop(dev); + goto done; + } -/**************************************************************************** - Module global static vars - ****************************************************************************/ + /* next block addr */ + next_blk = (dev->oss.dma_blk + 2) % dev->oss.blocks; + saa_writel(reg,next_blk * dev->oss.blksize); + if (alsa_debug > 2) + dprintk("irq: ok, %s, next_blk=%d, addr=%x, blocks=%u, size=%u, read=%u\n", + (status & 0x10000000) ? "even" : "odd ", next_blk, + next_blk * dev->oss.blksize, dev->oss.blocks, dev->oss.blksize, dev->oss.read_count); -static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ -static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */ -static int enable[SNDRV_CARDS] = {1, [1 ... (SNDRV_CARDS - 1)] = 1}; -module_param_array(enable, bool, NULL, 0444); -MODULE_PARM_DESC(enable, "Enable saa7134x soundcard. default enabled."); + /* update status & wake waiting readers */ + dev->oss.dma_blk = (dev->oss.dma_blk + 1) % dev->oss.blocks; + dev->oss.read_count += dev->oss.blksize; -/**************************************************************************** - Module macros - ****************************************************************************/ + dev->oss.recording_on = reg; -MODULE_DESCRIPTION("ALSA driver module for saa7134 based TV cards"); -MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@brturbo.com.br>"); -MODULE_LICENSE("GPL"); -MODULE_SUPPORTED_DEVICE("{{Philips, saa7131E}," - "{{Philips, saa7134}," - "{{Philips, saa7133}"); -static unsigned int debug = 0; -module_param(debug,int,0644); -MODULE_PARM_DESC(debug,"enable debug messages"); + if (dev->oss.read_count >= snd_pcm_lib_period_bytes(dev->oss.substream)) { + spin_unlock(&dev->slock); + snd_pcm_period_elapsed(dev->oss.substream); + spin_lock(&dev->slock); + } + done: + spin_unlock(&dev->slock); -/**************************************************************************** - Module specific funtions - ****************************************************************************/ +} -/* - * BOARD Specific: Sets audio DMA - */ -int saa7134_start_audio_dma(snd_saa7134_card_t *chip) +static int snd_card_saa7134_capture_trigger(snd_pcm_substream_t * substream, + int cmd) { - struct saa7134_core *core = chip->core; - return 0; } -/* - * BOARD Specific: Resets audio DMA - */ -int saa7134_stop_audio_dma(snd_saa7134_card_t *chip) +static int dsp_buffer_conf(struct saa7134_dev *dev, int blksize, int blocks) { - struct saa7134_core *core=chip->core; - return 0; + if (blksize < 0x100) + blksize = 0x100; + if (blksize > 0x10000) + blksize = 0x10000; + + if (blocks < 2) + blocks = 2; + if ((blksize * blocks) > 1024*1024) + blocks = 1024*1024 / blksize; + + dev->oss.blocks = blocks; + dev->oss.blksize = blksize; + dev->oss.bufsize = blksize * blocks; + + dprintk("buffer config: %d blocks / %d bytes, %d kB total\n", + blocks,blksize,blksize * blocks / 1024); + return 0; } -#define MAX_IRQ_LOOP 10 - -static void saa713401_timeout(unsigned long data) +static int dsp_buffer_init(struct saa7134_dev *dev) { - snd_saa7134_card_t *chip = (snd_saa7134_card_t *)data; + int err; + + if (!dev->oss.bufsize) + BUG(); + videobuf_dma_init(&dev->oss.dma); + err = videobuf_dma_init_kernel(&dev->oss.dma, PCI_DMA_FROMDEVICE, + (dev->oss.bufsize + PAGE_SIZE) >> PAGE_SHIFT); + if (0 != err) + return err; + return 0; } -/* FIXME: Wrong values*/ -static char *saa7134_aud_irqs[32] = { - "y_risci1", "u_risci1", "v_risci1", "vbi_risc1", - "y_risci2", "u_risci2", "v_risci2", "vbi_risc2", - "y_oflow", "u_oflow", "v_oflow", "vbi_oflow", - "y_sync", "u_sync", "v_sync", "vbi_sync", - "opc_err", "par_err", "rip_err", "pci_abort", -}; - -static void saa713401_aud_irq(snd_saa7134_card_t *chip) +static int snd_card_saa7134_pcm_prepare(snd_pcm_substream_t * substream) { - struct saa7134_core *core = chip->core; -} + snd_pcm_runtime_t *runtime = substream->runtime; + int err, bswap, sign; + u32 fmt, control; + unsigned long flags; + snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream); + struct saa7134_dev *dev; + snd_card_saa7134_pcm_t *saapcm = runtime->private_data; + unsigned int bps; + unsigned long size; + unsigned count; + + size = snd_pcm_lib_buffer_bytes(substream); + count = snd_pcm_lib_period_bytes(substream); + + saapcm->saadev->oss.substream = substream; + bps = runtime->rate * runtime->channels; + bps *= snd_pcm_format_width(runtime->format); + bps /= 8; + if (bps <= 0) + return -EINVAL; + saapcm->pcm_bps = bps; + saapcm->pcm_size = snd_pcm_lib_buffer_bytes(substream); + saapcm->pcm_count = snd_pcm_lib_period_bytes(substream); + + + dev=saa7134->saadev; + + dsp_buffer_conf(dev,saapcm->pcm_count,(saapcm->pcm_size/saapcm->pcm_count)); + + err = dsp_buffer_init(dev); + if (0 != err) + goto fail2; + + /* prepare buffer */ + if (0 != (err = videobuf_dma_pci_map(dev->pci,&dev->oss.dma))) + return err; + if (0 != (err = saa7134_pgtable_alloc(dev->pci,&dev->oss.pt))) + goto fail1; + if (0 != (err = saa7134_pgtable_build(dev->pci,&dev->oss.pt, + dev->oss.dma.sglist, + dev->oss.dma.sglen, + 0))) + goto fail2; + + + + switch (runtime->format) { + case SNDRV_PCM_FORMAT_U8: + case SNDRV_PCM_FORMAT_S8: + fmt = 0x00; + break; + case SNDRV_PCM_FORMAT_U16_LE: + case SNDRV_PCM_FORMAT_U16_BE: + case SNDRV_PCM_FORMAT_S16_LE: + case SNDRV_PCM_FORMAT_S16_BE: + fmt = 0x01; + break; + default: + err = -EINVAL; + return 1; + } + + switch (runtime->format) { + case SNDRV_PCM_FORMAT_S8: + case SNDRV_PCM_FORMAT_S16_LE: + case SNDRV_PCM_FORMAT_S16_BE: + sign = 1; + break; + default: + sign = 0; + break; + } + + switch (runtime->format) { + case SNDRV_PCM_FORMAT_U16_BE: + case SNDRV_PCM_FORMAT_S16_BE: + bswap = 1; break; + default: + bswap = 0; break; + } + + switch (dev->pci->device) { + case PCI_DEVICE_ID_PHILIPS_SAA7134: + if (1 == runtime->channels) + fmt |= (1 << 3); + if (2 == runtime->channels) + fmt |= (3 << 3); + if (sign) + fmt |= 0x04; + + fmt |= (MIXER_ADDR_TVTUNER == dev->oss.input) ? 0xc0 : 0x80; + saa_writeb(SAA7134_NUM_SAMPLES0, ((dev->oss.blksize - 1) & 0x0000ff)); + saa_writeb(SAA7134_NUM_SAMPLES1, ((dev->oss.blksize - 1) & 0x00ff00) >> 8); + saa_writeb(SAA7134_NUM_SAMPLES2, ((dev->oss.blksize - 1) & 0xff0000) >> 16); + saa_writeb(SAA7134_AUDIO_FORMAT_CTRL, fmt); + + break; + case PCI_DEVICE_ID_PHILIPS_SAA7133: + case PCI_DEVICE_ID_PHILIPS_SAA7135: + if (1 == runtime->channels) + fmt |= (1 << 4); + if (2 == runtime->channels) + fmt |= (2 << 4); + if (!sign) + fmt |= 0x04; + //saa_writel(SAA7133_NUM_SAMPLES, dev->oss.blksize -1); + saa_writel(SAA7133_NUM_SAMPLES, dev->oss.blksize -1); + saa_writel(SAA7133_AUDIO_CHANNEL, 0x543210 | (fmt << 24)); + //saa_writel(SAA7133_AUDIO_CHANNEL, 0x543210); + break; + } + + dprintk("rec_start: afmt=%d ch=%d => fmt=0x%x swap=%c\n", + runtime->format, runtime->channels, fmt, + bswap ? 'b' : '-'); + /* dma: setup channel 6 (= AUDIO) */ + control = SAA7134_RS_CONTROL_BURST_16 | + SAA7134_RS_CONTROL_ME | + (dev->oss.pt.dma >> 12); + if (bswap) + control |= SAA7134_RS_CONTROL_BSWAP; + + runtime->dma_area = dev->oss.dma.vmalloc; + saa_writel(SAA7134_RS_BA1(6),0); + saa_writel(SAA7134_RS_BA2(6),dev->oss.blksize); + saa_writel(SAA7134_RS_PITCH(6),0); + saa_writel(SAA7134_RS_CONTROL(6),control); + + dev->oss.rate = runtime->rate; + /* start dma */ + spin_lock_irqsave(&dev->slock,flags); + saa7134_dma_start(dev); + spin_unlock_irqrestore(&dev->slock,flags); -static irqreturn_t saa7134_irq(int irq, void *dev_id, struct pt_regs *regs) -{ - snd_saa7134_card_t *chip = dev_id; - struct saa7134_core *core = chip->core; -} + return 0; + fail2: + saa7134_pgtable_free(dev->pci,&dev->oss.pt); + fail1: + videobuf_dma_pci_unmap(dev->pci,&dev->oss.dma); + return err; -/**************************************************************************** - ALSA PCM Interface - ****************************************************************************/ -/* - * Digital hardware definition - */ -static snd_pcm_hardware_t snd_saa7134_digital_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 = 0, /* set at runtime */ - .channels_min = 2, - .channels_max = 2, - .buffer_bytes_max = 255 * 4092, - .period_bytes_min = 32, - .period_bytes_max = 4092, - .periods_min = 2, - .periods_max = 255, -}; +} -/* - * Sets board to provide digital audio - */ -static int snd_saa7134_set_digital_hw(snd_saa7134_card_t *chip, snd_pcm_runtime_t *runtime) +static int snd_card_saa7134_capture_prepare(snd_pcm_substream_t * substream) { - return 0; + return snd_card_saa7134_pcm_prepare(substream); } -/* - * audio open callback - */ -static int snd_saa7134_pcm_open(snd_pcm_substream_t *substream) +static snd_pcm_uframes_t snd_card_saa7134_pointer(snd_pcm_substream_t * substream) { - snd_saa7134_card_t *chip = snd_pcm_substream_chip(substream); snd_pcm_runtime_t *runtime = substream->runtime; - int err; + snd_card_saa7134_pcm_t *saapcm = runtime->private_data; + struct saa7134_dev *dev=saapcm->saadev; - if (test_and_set_bit(0, &chip->opened)) - return -EBUSY; - err = snd_saa7134_set_digital_hw(chip, runtime); - if (err < 0) - goto _error; + if (dev->oss.read_count) { + dev->oss.read_count -= snd_pcm_lib_period_bytes(substream); + dev->oss.read_offset += snd_pcm_lib_period_bytes(substream); + if (dev->oss.read_offset == dev->oss.bufsize) + dev->oss.read_offset = 0; + } - err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS); - if (err < 0) - goto _error; + //return bytes_to_frames(runtime, saa_readl(dev->oss.recording_on)); + return bytes_to_frames(runtime, dev->oss.read_offset); +} - chip->substream = substream; - return 0; -_error: - clear_bit(0, &chip->opened); - smp_mb__after_clear_bit(); - return err; +static snd_pcm_uframes_t snd_card_saa7134_capture_pointer(snd_pcm_substream_t * substream) +{ + return snd_card_saa7134_pointer(substream); } -/* - * audio close callback - */ -static int snd_saa7134_close(snd_pcm_substream_t *substream) +static snd_pcm_hardware_t snd_card_saa7134_capture = { - snd_saa7134_card_t *chip = snd_pcm_substream_chip(substream); + .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_BLOCK_TRANSFER | + SNDRV_PCM_INFO_MMAP_VALID), + .formats = USE_FORMATS, + .rates = USE_RATE, + .rate_min = USE_RATE_MIN, + .rate_max = USE_RATE_MAX, + .channels_min = USE_CHANNELS_MIN, + .channels_max = USE_CHANNELS_MAX, + .buffer_bytes_max = MAX_BUFFER_SIZE, + .period_bytes_min = 64, + .period_bytes_max = MAX_BUFFER_SIZE, + .periods_min = USE_PERIODS_MIN, + .periods_max = USE_PERIODS_MAX, + .fifo_size = 0x08070503, +}; - chip->substream = NULL; - clear_bit(0, &chip->opened); - smp_mb__after_clear_bit(); - return 0; +static void snd_card_saa7134_runtime_free(snd_pcm_runtime_t *runtime) +{ + snd_card_saa7134_pcm_t *saapcm = runtime->private_data; + + kfree(saapcm); } -/* - * hw_params callback - */ -static int snd_saa7134_hw_params(snd_pcm_substream_t * substream, - snd_pcm_hw_params_t * hw_params) + +static int snd_card_saa7134_hw_params(snd_pcm_substream_t * substream, + snd_pcm_hw_params_t * hw_params) { + return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); + + } -/* - * hw free callback - */ -static int snd_saa7134_hw_free(snd_pcm_substream_t * substream) +static int snd_card_saa7134_hw_free(snd_pcm_substream_t * substream) { return snd_pcm_lib_free_pages(substream); } -/* - * prepare callback - */ -static int snd_saa7134_prepare(snd_pcm_substream_t *substream) +static int dsp_buffer_free(struct saa7134_dev *dev) { - snd_saa7134_card_t *chip = snd_pcm_substream_chip(substream); - return 0; -} + if (!dev->oss.blksize) + BUG(); + videobuf_dma_free(&dev->oss.dma); -/* - * trigger callback - */ -static int snd_saa7134_card_trigger(snd_pcm_substream_t *substream, int cmd) -{ - snd_saa7134_card_t *chip = snd_pcm_substream_chip(substream); - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - return snd_saa7134_start(chip); - case SNDRV_PCM_TRIGGER_STOP: - return snd_saa7134_stop(chip); - default: - return -EINVAL; - } + dev->oss.blocks = 0; + dev->oss.blksize = 0; + dev->oss.bufsize = 0; + + return 0; } -/* - * pointer callback - */ -static snd_pcm_uframes_t snd_saa7134_pointer(snd_pcm_substream_t *substream) + +static int saa7134_cap_close(struct saa7134_dev *dev) { -// snd_saa7134_card_t *chip = snd_pcm_substream_chip(substream); -// snd_pcm_runtime_t *runtime = substream->runtime; + unsigned long flags; + + /* stop dma */ + spin_lock_irqsave(&dev->slock,flags); + saa7134_dma_stop(dev); + spin_unlock_irqrestore(&dev->slock,flags); + + /* unlock buffer */ + saa7134_pgtable_free(dev->pci,&dev->oss.pt); + videobuf_dma_pci_unmap(dev->pci,&dev->oss.dma); -// return (snd_pcm_uframes_t)bytes_to_frames(runtime, chip->current_line * chip->line_bytes); + dsp_buffer_free(dev); + return 0; } -/* - * operators - */ -static snd_pcm_ops_t snd_saa7134_pcm_ops = { - .open = snd_saa7134_pcm_open, - .close = snd_saa7134_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = snd_saa7134_hw_params, - .hw_free = snd_saa7134_hw_free, - .prepare = snd_saa7134_prepare, - .trigger = snd_saa7134_card_trigger, - .pointer = snd_saa7134_pointer, - .page = snd_pcm_sgbuf_ops_page, -}; -/* - * create a PCM device - */ -static int __devinit snd_saa7134_pcm(snd_saa7134_card_t *chip, int device, char *name) -{ - int err; - snd_pcm_t *pcm; +static int saa7134_cap_open(struct saa7134_dev *dev) { - err = snd_pcm_new(chip->card, name, device, 0, 1, &pcm); - if (err < 0) - return err; - pcm->private_data = chip; - strcpy(pcm->name, name); - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_saa7134_pcm_ops); - return snd_pcm_lib_preallocate_pages_for_all(pcm, - SNDRV_DMA_TYPE_DEV_SG, - snd_dma_pci_data(chip->pci), - 128 * 1024, - (255 * 4092 + 1023) & ~1023); -} + down(&dev->oss.lock); -/**************************************************************************** - CONTROL INTERFACE - ****************************************************************************/ -static int snd_saa7134_capture_volume_info(snd_kcontrol_t *kcontrol, snd_ctl_elem_info_t *info) -{ - info->type = SNDRV_CTL_ELEM_TYPE_INTEGER; - info->count = 1; - info->value.integer.min = 0; - info->value.integer.max = 0x3f; + dev->oss.afmt = SNDRV_PCM_FORMAT_U8; + dev->oss.channels = 2; + dev->oss.read_count = 0; + dev->oss.read_offset = 0; + + up(&dev->oss.lock); return 0; } -/* OK - TODO: test it */ -static int snd_saa7134_capture_volume_get(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *value) +static int snd_card_saa7134_capture_open(snd_pcm_substream_t * substream) { - snd_saa7134_card_t *chip = snd_kcontrol_chip(kcontrol); - struct saa7134_core *core=chip->core; + snd_pcm_runtime_t *runtime = substream->runtime; + snd_card_saa7134_pcm_t *saapcm; + snd_card_saa7134_t *saa7134 = snd_pcm_substream_chip(substream); + int err; + + saa7134_cap_open(saa7134->saadev); + + saapcm = kcalloc(1, sizeof(*saapcm), GFP_KERNEL); + if (saapcm == NULL) + return -ENOMEM; + saapcm->saadev=saa7134->saadev; + + spin_lock_init(&saapcm->lock); + + saapcm->substream = substream; + runtime->private_data = saapcm; + runtime->private_free = snd_card_saa7134_runtime_free; + runtime->hw = snd_card_saa7134_capture; + + if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS)) < 0) + return err; return 0; } -/* OK - TODO: test it */ -static int snd_saa7134_capture_volume_put(snd_kcontrol_t *kcontrol, snd_ctl_elem_value_t *value) +static int snd_card_saa7134_capture_close(snd_pcm_substream_t * substream) { - snd_saa7134_card_t *chip = snd_kcontrol_chip(kcontrol); - struct saa7134_core *core=chip->core; + snd_card_saa7134_t *chip = snd_pcm_substream_chip(substream); + saa7134_cap_close(chip->saadev); return 0; } -static snd_kcontrol_new_t snd_saa7134_capture_volume = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .name = "Capture Volume", - .info = snd_saa7134_capture_volume_info, - .get = snd_saa7134_capture_volume_get, - .put = snd_saa7134_capture_volume_put, +static snd_pcm_ops_t snd_card_saa7134_capture_ops = { + .open = snd_card_saa7134_capture_open, + .close = snd_card_saa7134_capture_close, + .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_card_saa7134_hw_params, + .hw_free = snd_card_saa7134_hw_free, + .prepare = snd_card_saa7134_capture_prepare, + .trigger = snd_card_saa7134_capture_trigger, + .pointer = snd_card_saa7134_capture_pointer, }; -/* - *************************************** - */ +static int __init snd_card_saa7134_pcm(snd_card_saa7134_t *saa7134, int device) +{ + snd_pcm_t *pcm; + int err; -/**************************************************************************** - Basic Flow for Sound Devices - ****************************************************************************/ + if ((err = snd_pcm_new(saa7134->card, "SAA7134 PCM", device, 0, 1, &pcm)) < 0) + return err; + snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_card_saa7134_capture_ops); + pcm->private_data = saa7134; + pcm->info_flags = 0; + strcpy(pcm->name, "SAA7134 PCM"); + snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, + snd_dma_pci_data(saa7134->pci), + 128*1024, 256*1024); + return 0; +} -/* - * PCI ID Table - 14f1:8801 and 14f1:8811 means function 1: Audio - * Only boards with eeprom and byte 1 at eeprom=1 have it - */ +#define SAA713x_VOLUME(xname, xindex, addr) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ + .info = snd_saa7134_volume_info, \ + .get = snd_saa7134_volume_get, .put = snd_saa7134_volume_put, \ + .private_value = addr } -struct pci_device_id saa7134_audio_pci_tbl[] = { - {0x14f1,0x8801,PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {0x14f1,0x8811,PCI_ANY_ID,PCI_ANY_ID,0,0,0}, - {0, } -}; -MODULE_DEVICE_TABLE(pci, saa7134_audio_pci_tbl); +static int snd_saa7134_volume_info(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER; + uinfo->count = 2; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 20; + return 0; +} -/* - * Chip-specific destructor - */ +static int snd_saa7134_volume_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) +{ + snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol); + unsigned long flags; + int addr = kcontrol->private_value; + + spin_lock_irqsave(&chip->mixer_lock, flags); + ucontrol->value.integer.value[0] = chip->mixer_volume[addr][0]; + ucontrol->value.integer.value[1] = chip->mixer_volume[addr][1]; + spin_unlock_irqrestore(&chip->mixer_lock, flags); + return 0; +} -static int snd_saa7134_free(snd_saa7134_card_t *chip) +static int snd_saa7134_volume_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) { - if (chip->irq >= 0) - free_irq(chip->irq, chip); + snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol); + unsigned long flags; + int change, addr = kcontrol->private_value; + int left, right; + + left = ucontrol->value.integer.value[0]; + if (left < 0) + left = 0; + if (left > 20) + left = 20; + right = ucontrol->value.integer.value[1]; + if (right < 0) + right = 0; + if (right > 20) + right = 20; + spin_lock_irqsave(&chip->mixer_lock, flags); + change = chip->mixer_volume[addr][0] != left || + chip->mixer_volume[addr][1] != right; + chip->mixer_volume[addr][0] = left; + chip->mixer_volume[addr][1] = right; + spin_unlock_irqrestore(&chip->mixer_lock, flags); + return change; +} - /* free memory */ - saa7134_core_put(chip->core,chip->pci); +#define SAA713x_CAPSRC(xname, xindex, addr) \ +{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \ + .info = snd_saa7134_capsrc_info, \ + .get = snd_saa7134_capsrc_get, .put = snd_saa7134_capsrc_put, \ + .private_value = addr } - pci_release_regions(chip->pci); - pci_disable_device(chip->pci); +static int snd_saa7134_capsrc_info(snd_kcontrol_t * kcontrol, snd_ctl_elem_info_t * uinfo) +{ + uinfo->type = SNDRV_CTL_ELEM_TYPE_BOOLEAN; + uinfo->count = 1; + uinfo->value.integer.min = 0; + uinfo->value.integer.max = 1; + return 0; +} - kfree(chip); +static int snd_saa7134_capsrc_get(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) +{ + snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol); + unsigned long flags; + int addr = kcontrol->private_value; + + spin_lock_irqsave(&chip->mixer_lock, flags); + ucontrol->value.integer.value[0] = chip->capture_source[addr][0]; + ucontrol->value.integer.value[1] = chip->capture_source[addr][1]; + spin_unlock_irqrestore(&chip->mixer_lock, flags); return 0; } -/* - * Component Destructor - */ -static int snd_saa7134_dev_free(snd_device_t *device) +static int snd_saa7134_capsrc_put(snd_kcontrol_t * kcontrol, snd_ctl_elem_value_t * ucontrol) { - snd_saa7134_card_t *chip = device->device_data; - return snd_saa7134_free(chip); + snd_card_saa7134_t *chip = snd_kcontrol_chip(kcontrol); + unsigned long flags; + int change, addr = kcontrol->private_value; + int left, right; + u32 anabar, xbarin; + int analog_io, rate; + struct saa7134_dev *dev; + + dev = chip->saadev; + + left = ucontrol->value.integer.value[0] & 1; + right = ucontrol->value.integer.value[1] & 1; + spin_lock_irqsave(&chip->mixer_lock, flags); + + change = chip->capture_source[addr][0] != left && + chip->capture_source[addr][1] != right; + chip->capture_source[addr][0] = left; + chip->capture_source[addr][1] = right; + dev->oss.input=addr; + spin_unlock_irqrestore(&chip->mixer_lock, flags); + + + switch (dev->pci->device) { + + case PCI_DEVICE_ID_PHILIPS_SAA7134: + switch (addr) { + case MIXER_ADDR_TVTUNER: + saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, 0xc0); + saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, 0x00); + break; + case MIXER_ADDR_LINE1: + case MIXER_ADDR_LINE2: + analog_io = (MIXER_ADDR_LINE1 == addr) ? 0x00 : 0x08; + rate = (32000 == dev->oss.rate) ? 0x01 : 0x03; + saa_andorb(SAA7134_ANALOG_IO_SELECT, 0x08, analog_io); + saa_andorb(SAA7134_AUDIO_FORMAT_CTRL, 0xc0, 0x80); + saa_andorb(SAA7134_SIF_SAMPLE_FREQ, 0x03, rate); + break; + } + + case PCI_DEVICE_ID_PHILIPS_SAA7133: + case PCI_DEVICE_ID_PHILIPS_SAA7135: + xbarin = 0x03; // adc + anabar = 0; + switch (addr) { + case MIXER_ADDR_TVTUNER: + xbarin = 0; // Demodulator + anabar = 2; // DACs + break; + case MIXER_ADDR_LINE1: + anabar = 0; // aux1, aux1 + break; + case MIXER_ADDR_LINE2: + anabar = 9; // aux2, aux2 + break; + } + + /* output xbar always main channel */ + saa_dsp_writel(dev, SAA7133_DIGITAL_OUTPUT_SEL1, 0xbbbb10); + + if (left || right) { // We've got data, turn the input on + //saa_dsp_writel(dev, SAA7133_DIGITAL_OUTPUT_SEL2, 0x101010); + saa_dsp_writel(dev, SAA7133_DIGITAL_INPUT_XBAR1, xbarin); + saa_writel(SAA7133_ANALOG_IO_SELECT, anabar); + } else { + //saa_dsp_writel(dev, SAA7133_DIGITAL_OUTPUT_SEL2, 0x101010); + saa_dsp_writel(dev, SAA7133_DIGITAL_INPUT_XBAR1, 0); + saa_writel(SAA7133_ANALOG_IO_SELECT, 0); + } + } + + return change; } +static snd_kcontrol_new_t snd_saa7134_controls[] = { +SAA713x_VOLUME("Video Volume", 0, MIXER_ADDR_TVTUNER), +SAA713x_CAPSRC("Video Capture Switch", 0, MIXER_ADDR_TVTUNER), +SAA713x_VOLUME("Line Volume", 1, MIXER_ADDR_LINE1), +SAA713x_CAPSRC("Line Capture Switch", 1, MIXER_ADDR_LINE1), +SAA713x_VOLUME("Line Volume", 2, MIXER_ADDR_LINE2), +SAA713x_CAPSRC("Line Capture Switch", 2, MIXER_ADDR_LINE2), +}; -/* - * Alsa Constructor - Component probe - */ +static int __init snd_card_saa7134_new_mixer(snd_card_saa7134_t * chip) +{ + snd_card_t *card = chip->card; + unsigned int idx; + int err; + + snd_assert(chip != NULL, return -EINVAL); + strcpy(card->mixername, "SAA7134 Mixer"); -static int devno=0; -static int __devinit snd_saa7134_create(snd_card_t *card, struct pci_dev *pci, - snd_saa7134_card_t **rchip) + for (idx = 0; idx < ARRAY_SIZE(snd_saa7134_controls); idx++) { + if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_saa7134_controls[idx], chip))) < 0) + return err; + } + return 0; +} + +static int snd_saa7134_free(snd_card_saa7134_t *chip) { - snd_saa7134_card_t *chip; - struct saa7134_core *core; return 0; } -static int __devinit saa7134_audio_initdev(struct pci_dev *pci, - const struct pci_device_id *pci_id) +static int snd_saa7134_dev_free(snd_device_t *device) { - snd_card_t *card; - snd_saa7134_card_t *chip; - int err; + snd_card_saa7134_t *chip = device->device_data; + return snd_saa7134_free(chip); +} - if (devno >= SNDRV_CARDS) - return (-ENODEV); +int alsa_card_saa7134_create(struct saa7134_dev *saadev) +{ + static int dev; + snd_card_t *card; + struct snd_card_saa7134 *chip; + int err; + static snd_device_ops_t ops = { + .dev_free = snd_saa7134_dev_free, + }; - if (!enable[devno]) { - ++devno; - return (-ENOENT); - } + if (dev >= SNDRV_CARDS) + return -ENODEV; + if (!enable[dev]) + return -ENODEV; + card = snd_card_new(index[dev], id[dev], THIS_MODULE, + sizeof(struct snd_card_saa7134)); + if (card == NULL) + return -ENOMEM; - card = snd_card_new(index[devno], id[devno], THIS_MODULE, 0); - if (!card) - return (-ENOMEM); + strcpy(card->driver, "SAA7134"); - err = snd_saa7134_create(card, pci, &chip); - if (err < 0) - return (err); + /* Card "creation" */ + chip = kcalloc(1, sizeof(*chip), GFP_KERNEL); + if (chip == NULL) { + return -ENOMEM; + } -/* - err = snd_saa7134_pcm(chip, DEVICE_DIGITAL, "saa7134 Digital"); - if (err < 0) - goto fail_free; -*/ - err = snd_ctl_add(card, snd_ctl_new1(&snd_saa7134_capture_volume, chip)); - if (err < 0) { - snd_card_free(card); - return (err); - } + spin_lock_init(&chip->lock); - strcpy (card->driver, "saa7134_ALSA"); - sprintf(card->shortname, "Saa7134 %x", pci->device); - sprintf(card->longname, "%s at %#lx", - card->shortname, pci_resource_start(pci, 0)); - strcpy (card->mixername, "saa7134"); + chip->saadev = saadev; - dprintk (0, "%s/%i: Alsa support for saa7134x boards\n", - card->driver,devno); + chip->card = card; + chip->pci = saadev->pci; + chip->irq = saadev->pci->irq; + chip->iobase = pci_resource_start(saadev->pci, 0); - err = snd_card_register(card); - if (err < 0) { - snd_card_free(card); - return (err); - } + if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { + snd_saa7134_free(chip); + return err; + } - pci_set_drvdata(pci,card); - devno++; - return 0; -} -/* - * ALSA destructor - */ -static void __devexit saa7134_audio_finidev(struct pci_dev *pci) -{ - snd_card_free(pci_get_drvdata(pci)); - pci_set_drvdata(pci, NULL); + if ((err = snd_card_saa7134_new_mixer(chip)) < 0) + goto __nodev; - devno--; -} + if ((err = snd_card_saa7134_pcm(chip, 0)) < 0) + goto __nodev; + spin_lock_init(&chip->mixer_lock); -/* - * PCI driver definition - */ + snd_card_set_dev(card, &chip->pci->dev); -static struct pci_driver saa7134_audio_pci_driver = { - .name = "saa7134_audio", - .id_table = saa7134_audio_pci_tbl, - .probe = saa7134_audio_initdev, - .remove = saa7134_audio_finidev, - SND_PCI_PM_CALLBACKS -}; + /* End of "creation" */ -/**************************************************************************** - LINUX MODULE INIT - ****************************************************************************/ + strcpy(card->shortname, "SAA7134"); + sprintf(card->longname, "%s at 0x%lx irq %d", + card->shortname, chip->iobase, chip->irq); -/* - * module init - */ -static int saa7134_audio_init(void) -{ - printk(KERN_INFO "saa7134x alsa driver version %d.%d.%d loaded\n", - (saa7134_VERSION_CODE >> 16) & 0xff, - (saa7134_VERSION_CODE >> 8) & 0xff, - saa7134_VERSION_CODE & 0xff); -#ifdef SNAPSHOT - printk(KERN_INFO "saa7134x: snapshot date %04d-%02d-%02d\n", - SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100); -#endif - return pci_module_init(&saa7134_audio_pci_driver); + + if ((err = snd_card_register(card)) == 0) { + snd_saa7134_cards[dev] = card; + return 0; + } + +__nodev: + snd_card_free(card); + kfree(card); + return err; } -/* - * module remove - */ -static void saa7134_audio_fini(void) +void alsa_card_saa7134_exit(void) { - pci_unregister_driver(&saa7134_audio_pci_driver); + int idx; + for (idx = 0; idx < SNDRV_CARDS; idx++) { + snd_card_free(snd_saa7134_cards[idx]); + } } - -module_init(saa7134_audio_init); -module_exit(saa7134_audio_fini); - -/* ----------------------------------------------------------- */ -/* - * Local variables: - * c-basic-offset: 8 - * End: - */ |