diff options
Diffstat (limited to 'drivers/sound/sb_audio.c')
| -rw-r--r-- | drivers/sound/sb_audio.c | 1781 |
1 files changed, 878 insertions, 903 deletions
diff --git a/drivers/sound/sb_audio.c b/drivers/sound/sb_audio.c index a4e29ba8c..13751da3d 100644 --- a/drivers/sound/sb_audio.c +++ b/drivers/sound/sb_audio.c @@ -15,89 +15,88 @@ #include "sound_config.h" -#if defined(CONFIG_SBDSP) +#if defined(CONFIG_SBDSP) || defined(MODULE) #include "sb_mixer.h" #include "sb.h" static int -sb_audio_open (int dev, int mode) +sb_audio_open(int dev, int mode) { - sb_devc *devc = audio_devs[dev]->devc; - unsigned long flags; - - if (devc == NULL) - { - printk ("SB: Incomplete initialization\n"); - return -ENXIO; - } - - if (devc->caps & SB_NO_RECORDING && mode & OPEN_READ) - { - printk ("SB: Recording is not possible with this device\n"); - return -EPERM; - } - - save_flags (flags); - cli (); - if (devc->opened) - { - restore_flags (flags); - return -EBUSY; - } - - if (devc->dma16 != -1 && devc->dma16 != devc->dma8) - { - if (sound_open_dma (devc->dma16, "Sound Blaster 16 bit")) - { - return -EBUSY; - } - } - devc->opened = mode; - restore_flags (flags); - - devc->irq_mode = IMODE_NONE; - sb_dsp_reset (devc); - - return 0; + sb_devc *devc = audio_devs[dev]->devc; + unsigned long flags; + + if (devc == NULL) + { + printk("SB: Incomplete initialization\n"); + return -ENXIO; + } + if (devc->caps & SB_NO_RECORDING && mode & OPEN_READ) + { + printk("Notice: Recording is not possible with /dev/dsp%d\n", dev); + if (mode == OPEN_READ) + return -EPERM; + } + save_flags(flags); + cli(); + if (devc->opened) + { + restore_flags(flags); + return -EBUSY; + } + if (devc->dma16 != -1 && devc->dma16 != devc->dma8) + { + if (sound_open_dma(devc->dma16, "Sound Blaster 16 bit")) + { + restore_flags(flags); + return -EBUSY; + } + } + devc->opened = mode; + restore_flags(flags); + + devc->irq_mode = IMODE_NONE; + sb_dsp_reset(devc); + + return 0; } static void -sb_audio_close (int dev) +sb_audio_close(int dev) { - sb_devc *devc = audio_devs[dev]->devc; + sb_devc *devc = audio_devs[dev]->devc; - audio_devs[dev]->dmap_in->dma = - audio_devs[dev]->dmap_out->dma = - devc->dma8; + audio_devs[dev]->dmap_in->dma = + audio_devs[dev]->dmap_out->dma = + devc->dma8; - if (devc->dma16 != -1 && devc->dma16 != devc->dma8) - sound_close_dma (devc->dma16); + if (devc->dma16 != -1 && devc->dma16 != devc->dma8) + sound_close_dma(devc->dma16); - devc->opened = 0; + devc->opened = 0; } static void -sb_set_output_parms (int dev, unsigned long buf, int nr_bytes, - int intrflag) +sb_set_output_parms(int dev, unsigned long buf, int nr_bytes, + int intrflag) { - sb_devc *devc = audio_devs[dev]->devc; + sb_devc *devc = audio_devs[dev]->devc; - devc->trg_buf = buf; - devc->trg_bytes = nr_bytes; - devc->trg_intrflag = intrflag; - devc->irq_mode = IMODE_OUTPUT; + devc->trg_buf = buf; + devc->trg_bytes = nr_bytes; + devc->trg_intrflag = intrflag; + devc->irq_mode = IMODE_OUTPUT; } static void -sb_set_input_parms (int dev, unsigned long buf, int count, int intrflag) +sb_set_input_parms(int dev, unsigned long buf, int count, int intrflag) { - sb_devc *devc = audio_devs[dev]->devc; + sb_devc *devc = audio_devs[dev]->devc; - devc->trg_buf = buf; - devc->trg_bytes = count; - devc->trg_intrflag = intrflag; - devc->irq_mode = IMODE_INPUT; + devc->trg_buf = buf; + devc->trg_bytes = count; + devc->trg_intrflag = intrflag; + devc->irq_mode = IMODE_INPUT; } /* @@ -105,183 +104,180 @@ sb_set_input_parms (int dev, unsigned long buf, int count, int intrflag) */ static void -sb1_audio_output_block (int dev, unsigned long buf, int nr_bytes, - int intrflag) +sb1_audio_output_block(int dev, unsigned long buf, int nr_bytes, + int intrflag) { - unsigned long flags; - int count = nr_bytes; - sb_devc *devc = audio_devs[dev]->devc; - - /* DMAbuf_start_dma (dev, buf, count, DMA_MODE_WRITE); */ - - if (audio_devs[dev]->dmap_out->dma > 3) - count >>= 1; - count--; - - devc->irq_mode = IMODE_OUTPUT; - - save_flags (flags); - cli (); - if (sb_dsp_command (devc, 0x14)) /* 8 bit DAC using DMA */ - { - sb_dsp_command (devc, (unsigned char) (count & 0xff)); - sb_dsp_command (devc, (unsigned char) ((count >> 8) & 0xff)); - } - else - printk ("SB: Unable to start DAC\n"); - restore_flags (flags); - devc->intr_active = 1; + unsigned long flags; + int count = nr_bytes; + sb_devc *devc = audio_devs[dev]->devc; + + /* DMAbuf_start_dma (dev, buf, count, DMA_MODE_WRITE); */ + + if (audio_devs[dev]->dmap_out->dma > 3) + count >>= 1; + count--; + + devc->irq_mode = IMODE_OUTPUT; + + save_flags(flags); + cli(); + if (sb_dsp_command(devc, 0x14)) /* 8 bit DAC using DMA */ + { + sb_dsp_command(devc, (unsigned char) (count & 0xff)); + sb_dsp_command(devc, (unsigned char) ((count >> 8) & 0xff)); + } else + printk("SB: Unable to start DAC\n"); + restore_flags(flags); + devc->intr_active = 1; } static void -sb1_audio_start_input (int dev, unsigned long buf, int nr_bytes, int intrflag) +sb1_audio_start_input(int dev, unsigned long buf, int nr_bytes, int intrflag) { - unsigned long flags; - int count = nr_bytes; - sb_devc *devc = audio_devs[dev]->devc; - - /* - * Start a DMA input to the buffer pointed by dmaqtail - */ - - /* DMAbuf_start_dma (dev, buf, count, DMA_MODE_READ); */ - - if (audio_devs[dev]->dmap_out->dma > 3) - count >>= 1; - count--; - - devc->irq_mode = IMODE_INPUT; - - save_flags (flags); - cli (); - if (sb_dsp_command (devc, 0x24)) /* 8 bit ADC using DMA */ - { - sb_dsp_command (devc, (unsigned char) (count & 0xff)); - sb_dsp_command (devc, (unsigned char) ((count >> 8) & 0xff)); - } - else - printk ("SB Error: Unable to start ADC\n"); - restore_flags (flags); - - devc->intr_active = 1; -} + unsigned long flags; + int count = nr_bytes; + sb_devc *devc = audio_devs[dev]->devc; -static void -sb1_audio_trigger (int dev, int bits) -{ - sb_devc *devc = audio_devs[dev]->devc; + /* + * Start a DMA input to the buffer pointed by dmaqtail + */ - bits &= devc->irq_mode; + /* DMAbuf_start_dma (dev, buf, count, DMA_MODE_READ); */ - if (!bits) - sb_dsp_command (devc, 0xd0); /* Halt DMA */ - else - { - switch (devc->irq_mode) - { - case IMODE_INPUT: - sb1_audio_start_input (dev, devc->trg_buf, devc->trg_bytes, - devc->trg_intrflag); - break; - - case IMODE_OUTPUT: - sb1_audio_output_block (dev, devc->trg_buf, devc->trg_bytes, - devc->trg_intrflag); - break; - } - } + if (audio_devs[dev]->dmap_out->dma > 3) + count >>= 1; + count--; - devc->trigger_bits = bits; + devc->irq_mode = IMODE_INPUT; + + save_flags(flags); + cli(); + if (sb_dsp_command(devc, 0x24)) /* 8 bit ADC using DMA */ + { + sb_dsp_command(devc, (unsigned char) (count & 0xff)); + sb_dsp_command(devc, (unsigned char) ((count >> 8) & 0xff)); + } else + printk("SB Error: Unable to start ADC\n"); + restore_flags(flags); + + devc->intr_active = 1; } -static int -sb1_audio_prepare_for_input (int dev, int bsize, int bcount) +static void +sb1_audio_trigger(int dev, int bits) { - sb_devc *devc = audio_devs[dev]->devc; - unsigned long flags; - - save_flags (flags); - cli (); - if (sb_dsp_command (devc, 0x40)) - sb_dsp_command (devc, devc->tconst); - sb_dsp_command (devc, DSP_CMD_SPKOFF); - restore_flags (flags); - - devc->trigger_bits = 0; - return 0; + sb_devc *devc = audio_devs[dev]->devc; + + bits &= devc->irq_mode; + + if (!bits) + sb_dsp_command(devc, 0xd0); /* Halt DMA */ + else + { + switch (devc->irq_mode) + { + case IMODE_INPUT: + sb1_audio_start_input(dev, devc->trg_buf, devc->trg_bytes, + devc->trg_intrflag); + break; + + case IMODE_OUTPUT: + sb1_audio_output_block(dev, devc->trg_buf, devc->trg_bytes, + devc->trg_intrflag); + break; + } + } + + devc->trigger_bits = bits; } static int -sb1_audio_prepare_for_output (int dev, int bsize, int bcount) +sb1_audio_prepare_for_input(int dev, int bsize, int bcount) { - sb_devc *devc = audio_devs[dev]->devc; - unsigned long flags; - - save_flags (flags); - cli (); - if (sb_dsp_command (devc, 0x40)) - sb_dsp_command (devc, devc->tconst); - sb_dsp_command (devc, DSP_CMD_SPKON); - restore_flags (flags); - devc->trigger_bits = 0; - return 0; + sb_devc *devc = audio_devs[dev]->devc; + unsigned long flags; + + save_flags(flags); + cli(); + if (sb_dsp_command(devc, 0x40)) + sb_dsp_command(devc, devc->tconst); + sb_dsp_command(devc, DSP_CMD_SPKOFF); + restore_flags(flags); + + devc->trigger_bits = 0; + return 0; } static int -sb1_audio_set_speed (int dev, int speed) +sb1_audio_prepare_for_output(int dev, int bsize, int bcount) { - int max_speed = 23000; - sb_devc *devc = audio_devs[dev]->devc; - int tmp; + sb_devc *devc = audio_devs[dev]->devc; + unsigned long flags; + + save_flags(flags); + cli(); + if (sb_dsp_command(devc, 0x40)) + sb_dsp_command(devc, devc->tconst); + sb_dsp_command(devc, DSP_CMD_SPKON); + restore_flags(flags); + devc->trigger_bits = 0; + return 0; +} - if (devc->opened & OPEN_READ) - max_speed = 13000; +static int +sb1_audio_set_speed(int dev, int speed) +{ + int max_speed = 23000; + sb_devc *devc = audio_devs[dev]->devc; + int tmp; - if (speed > 0) - { - if (speed < 4000) - speed = 4000; + if (devc->opened & OPEN_READ) + max_speed = 13000; - if (speed > max_speed) - speed = max_speed; + if (speed > 0) + { + if (speed < 4000) + speed = 4000; - devc->tconst = (256 - ((1000000 + speed / 2) / speed)) & 0xff; + if (speed > max_speed) + speed = max_speed; - tmp = 256 - devc->tconst; - speed = (1000000 + tmp / 2) / tmp; + devc->tconst = (256 - ((1000000 + speed / 2) / speed)) & 0xff; - devc->speed = speed; - } + tmp = 256 - devc->tconst; + speed = (1000000 + tmp / 2) / tmp; - return devc->speed; + devc->speed = speed; + } + return devc->speed; } static short -sb1_audio_set_channels (int dev, short channels) +sb1_audio_set_channels(int dev, short channels) { - sb_devc *devc = audio_devs[dev]->devc; + sb_devc *devc = audio_devs[dev]->devc; - return devc->channels = 1; + return devc->channels = 1; } static unsigned int -sb1_audio_set_bits (int dev, unsigned int bits) +sb1_audio_set_bits(int dev, unsigned int bits) { - sb_devc *devc = audio_devs[dev]->devc; + sb_devc *devc = audio_devs[dev]->devc; - return devc->bits = 8; + return devc->bits = 8; } static void -sb1_audio_halt_xfer (int dev) +sb1_audio_halt_xfer(int dev) { - unsigned long flags; - sb_devc *devc = audio_devs[dev]->devc; + unsigned long flags; + sb_devc *devc = audio_devs[dev]->devc; - save_flags (flags); - cli (); - sb_dsp_reset (devc); - restore_flags (flags); + save_flags(flags); + cli(); + sb_dsp_reset(devc); + restore_flags(flags); } /* @@ -289,112 +285,110 @@ sb1_audio_halt_xfer (int dev) */ static void -sb20_audio_output_block (int dev, unsigned long buf, int nr_bytes, - int intrflag) +sb20_audio_output_block(int dev, unsigned long buf, int nr_bytes, + int intrflag) { - unsigned long flags; - int count = nr_bytes; - sb_devc *devc = audio_devs[dev]->devc; - unsigned char cmd; - - /* DMAbuf_start_dma (dev, buf, count, DMA_MODE_WRITE); */ - - if (audio_devs[dev]->dmap_out->dma > 3) - count >>= 1; - count--; - - devc->irq_mode = IMODE_OUTPUT; - - save_flags (flags); - cli (); - if (sb_dsp_command (devc, 0x48)) /* DSP Block size */ - { - sb_dsp_command (devc, (unsigned char) (count & 0xff)); - sb_dsp_command (devc, (unsigned char) ((count >> 8) & 0xff)); - - if (devc->speed * devc->channels <= 23000) - cmd = 0x1c; /* 8 bit PCM output */ - else - cmd = 0x90; /* 8 bit high speed PCM output (SB2.01/Pro) */ - - if (!sb_dsp_command (devc, cmd)) - printk ("SB: Unable to start DAC\n"); - - } - else - printk ("SB: Unable to start DAC\n"); - restore_flags (flags); - devc->intr_active = 1; + unsigned long flags; + int count = nr_bytes; + sb_devc *devc = audio_devs[dev]->devc; + unsigned char cmd; + + /* DMAbuf_start_dma (dev, buf, count, DMA_MODE_WRITE); */ + + if (audio_devs[dev]->dmap_out->dma > 3) + count >>= 1; + count--; + + devc->irq_mode = IMODE_OUTPUT; + + save_flags(flags); + cli(); + if (sb_dsp_command(devc, 0x48)) /* DSP Block size */ + { + sb_dsp_command(devc, (unsigned char) (count & 0xff)); + sb_dsp_command(devc, (unsigned char) ((count >> 8) & 0xff)); + + if (devc->speed * devc->channels <= 23000) + cmd = 0x1c; /* 8 bit PCM output */ + else + cmd = 0x90; /* 8 bit high speed PCM output (SB2.01/Pro) */ + + if (!sb_dsp_command(devc, cmd)) + printk("SB: Unable to start DAC\n"); + + } else + printk("SB: Unable to start DAC\n"); + restore_flags(flags); + devc->intr_active = 1; } static void -sb20_audio_start_input (int dev, unsigned long buf, int nr_bytes, int intrflag) +sb20_audio_start_input(int dev, unsigned long buf, int nr_bytes, int intrflag) { - unsigned long flags; - int count = nr_bytes; - sb_devc *devc = audio_devs[dev]->devc; - unsigned char cmd; - - /* - * Start a DMA input to the buffer pointed by dmaqtail - */ - - /* DMAbuf_start_dma (dev, buf, count, DMA_MODE_READ); */ - - if (audio_devs[dev]->dmap_out->dma > 3) - count >>= 1; - count--; - - devc->irq_mode = IMODE_INPUT; - - save_flags (flags); - cli (); - if (sb_dsp_command (devc, 0x48)) /* DSP Block size */ - { - sb_dsp_command (devc, (unsigned char) (count & 0xff)); - sb_dsp_command (devc, (unsigned char) ((count >> 8) & 0xff)); - - if (devc->speed * devc->channels <= (devc->major == 3 ? 23000 : 13000)) - cmd = 0x2c; /* 8 bit PCM input */ - else - cmd = 0x98; /* 8 bit high speed PCM input (SB2.01/Pro) */ - - if (!sb_dsp_command (devc, cmd)) - printk ("SB: Unable to start ADC\n"); - } - else - printk ("SB Error: Unable to start ADC\n"); - restore_flags (flags); - - devc->intr_active = 1; + unsigned long flags; + int count = nr_bytes; + sb_devc *devc = audio_devs[dev]->devc; + unsigned char cmd; + + /* + * Start a DMA input to the buffer pointed by dmaqtail + */ + + /* DMAbuf_start_dma (dev, buf, count, DMA_MODE_READ); */ + + if (audio_devs[dev]->dmap_out->dma > 3) + count >>= 1; + count--; + + devc->irq_mode = IMODE_INPUT; + + save_flags(flags); + cli(); + if (sb_dsp_command(devc, 0x48)) /* DSP Block size */ + { + sb_dsp_command(devc, (unsigned char) (count & 0xff)); + sb_dsp_command(devc, (unsigned char) ((count >> 8) & 0xff)); + + if (devc->speed * devc->channels <= (devc->major == 3 ? 23000 : 13000)) + cmd = 0x2c; /* 8 bit PCM input */ + else + cmd = 0x98; /* 8 bit high speed PCM input (SB2.01/Pro) */ + + if (!sb_dsp_command(devc, cmd)) + printk("SB: Unable to start ADC\n"); + } else + printk("SB Error: Unable to start ADC\n"); + restore_flags(flags); + + devc->intr_active = 1; } static void -sb20_audio_trigger (int dev, int bits) +sb20_audio_trigger(int dev, int bits) { - sb_devc *devc = audio_devs[dev]->devc; - - bits &= devc->irq_mode; - - if (!bits) - sb_dsp_command (devc, 0xd0); /* Halt DMA */ - else - { - switch (devc->irq_mode) - { - case IMODE_INPUT: - sb20_audio_start_input (dev, devc->trg_buf, devc->trg_bytes, - devc->trg_intrflag); - break; - - case IMODE_OUTPUT: - sb20_audio_output_block (dev, devc->trg_buf, devc->trg_bytes, - devc->trg_intrflag); - break; - } - } - - devc->trigger_bits = bits; + sb_devc *devc = audio_devs[dev]->devc; + + bits &= devc->irq_mode; + + if (!bits) + sb_dsp_command(devc, 0xd0); /* Halt DMA */ + else + { + switch (devc->irq_mode) + { + case IMODE_INPUT: + sb20_audio_start_input(dev, devc->trg_buf, devc->trg_bytes, + devc->trg_intrflag); + break; + + case IMODE_OUTPUT: + sb20_audio_output_block(dev, devc->trg_buf, devc->trg_bytes, + devc->trg_intrflag); + break; + } + } + + devc->trigger_bits = bits; } /* @@ -402,33 +396,32 @@ sb20_audio_trigger (int dev, int bits) */ static int -sb201_audio_set_speed (int dev, int speed) +sb201_audio_set_speed(int dev, int speed) { - sb_devc *devc = audio_devs[dev]->devc; - int tmp; - int s = speed * devc->channels; - - if (speed > 0) - { - if (speed < 4000) - speed = 4000; + sb_devc *devc = audio_devs[dev]->devc; + int tmp; + int s = speed * devc->channels; - if (speed > 44100) - speed = 44100; + if (speed > 0) + { + if (speed < 4000) + speed = 4000; - if (devc->opened & OPEN_READ && speed > 15000) - speed = 15000; + if (speed > 44100) + speed = 44100; - devc->tconst = ((65536 - ((256000000 + s / 2) / - s)) >> 8) & 0xff; + if (devc->opened & OPEN_READ && speed > 15000) + speed = 15000; - tmp = 256 - devc->tconst; - speed = ((1000000 + tmp / 2) / tmp) / devc->channels; + devc->tconst = ((65536 - ((256000000 + s / 2) / + s)) >> 8) & 0xff; - devc->speed = speed; - } + tmp = 256 - devc->tconst; + speed = ((1000000 + tmp / 2) / tmp) / devc->channels; - return devc->speed; + devc->speed = speed; + } + return devc->speed; } /* @@ -436,144 +429,145 @@ sb201_audio_set_speed (int dev, int speed) */ static int -sbpro_audio_prepare_for_input (int dev, int bsize, int bcount) +sbpro_audio_prepare_for_input(int dev, int bsize, int bcount) { /* For SB Pro and Jazz16 */ - sb_devc *devc = audio_devs[dev]->devc; - unsigned long flags; - unsigned char bits = 0; - - if (devc->dma16 >= 0 && devc->dma16 != devc->dma8) - audio_devs[dev]->dmap_out->dma = - audio_devs[dev]->dmap_in->dma = - devc->bits == 16 ? devc->dma16 : devc->dma8; - - if (devc->model == MDL_JAZZ || devc->model == MDL_SMW) - if (devc->bits == AFMT_S16_LE) - bits = 0x04; /* 16 bit mode */ - - save_flags (flags); - cli (); - if (sb_dsp_command (devc, 0x40)) - sb_dsp_command (devc, devc->tconst); - sb_dsp_command (devc, DSP_CMD_SPKOFF); - if (devc->channels == 1) - sb_dsp_command (devc, 0xa0 | bits); /* Mono input */ - else - sb_dsp_command (devc, 0xa8 | bits); /* Stereo input */ - restore_flags (flags); - - devc->trigger_bits = 0; - return 0; + sb_devc *devc = audio_devs[dev]->devc; + unsigned long flags; + unsigned char bits = 0; + + if (devc->dma16 >= 0 && devc->dma16 != devc->dma8) + audio_devs[dev]->dmap_out->dma = + audio_devs[dev]->dmap_in->dma = + devc->bits == 16 ? devc->dma16 : devc->dma8; + + if (devc->model == MDL_JAZZ || devc->model == MDL_SMW) + if (devc->bits == AFMT_S16_LE) + bits = 0x04; /* 16 bit mode */ + + save_flags(flags); + cli(); + if (sb_dsp_command(devc, 0x40)) + sb_dsp_command(devc, devc->tconst); + sb_dsp_command(devc, DSP_CMD_SPKOFF); + if (devc->channels == 1) + sb_dsp_command(devc, 0xa0 | bits); /* Mono input */ + else + sb_dsp_command(devc, 0xa8 | bits); /* Stereo input */ + restore_flags(flags); + + devc->trigger_bits = 0; + return 0; } static int -sbpro_audio_prepare_for_output (int dev, int bsize, int bcount) +sbpro_audio_prepare_for_output(int dev, int bsize, int bcount) { /* For SB Pro and Jazz16 */ - sb_devc *devc = audio_devs[dev]->devc; - unsigned long flags; - unsigned char tmp; - unsigned char bits = 0; - - if (devc->dma16 >= 0 && devc->dma16 != devc->dma8) - audio_devs[dev]->dmap_out->dma = - audio_devs[dev]->dmap_in->dma = - devc->bits == 16 ? devc->dma16 : devc->dma8; - if (devc->model == MDL_SBPRO) - sb_mixer_set_stereo (devc, devc->channels == 2); - - save_flags (flags); - cli (); - if (sb_dsp_command (devc, 0x40)) - sb_dsp_command (devc, devc->tconst); - sb_dsp_command (devc, DSP_CMD_SPKON); - - if (devc->model == MDL_JAZZ || devc->model == MDL_SMW) - { - if (devc->bits == AFMT_S16_LE) - bits = 0x04; /* 16 bit mode */ - - if (devc->channels == 1) - sb_dsp_command (devc, 0xa0 | bits); /* Mono output */ - else - sb_dsp_command (devc, 0xa8 | bits); /* Stereo output */ - } - else - { - tmp = sb_getmixer (devc, 0x0e); - if (devc->channels == 1) - tmp &= ~0x02; - else - tmp |= 0x02; - sb_setmixer (devc, 0x0e, tmp); - } - restore_flags (flags); - devc->trigger_bits = 0; - return 0; + sb_devc *devc = audio_devs[dev]->devc; + unsigned long flags; + unsigned char tmp; + unsigned char bits = 0; + + if (devc->dma16 >= 0 && devc->dma16 != devc->dma8) + audio_devs[dev]->dmap_out->dma = + audio_devs[dev]->dmap_in->dma = + devc->bits == 16 ? devc->dma16 : devc->dma8; + if (devc->model == MDL_SBPRO) + sb_mixer_set_stereo(devc, devc->channels == 2); + + save_flags(flags); + cli(); + if (sb_dsp_command(devc, 0x40)) + sb_dsp_command(devc, devc->tconst); + sb_dsp_command(devc, DSP_CMD_SPKON); + + if (devc->model == MDL_JAZZ || devc->model == MDL_SMW) + { + if (devc->bits == AFMT_S16_LE) + bits = 0x04; /* 16 bit mode */ + + if (devc->channels == 1) + sb_dsp_command(devc, 0xa0 | bits); /* Mono output */ + else + sb_dsp_command(devc, 0xa8 | bits); /* Stereo output */ + } else + { + tmp = sb_getmixer(devc, 0x0e); + if (devc->channels == 1) + tmp &= ~0x02; + else + tmp |= 0x02; + sb_setmixer(devc, 0x0e, tmp); + } + restore_flags(flags); + devc->trigger_bits = 0; + return 0; } static int -sbpro_audio_set_speed (int dev, int speed) +sbpro_audio_set_speed(int dev, int speed) { - sb_devc *devc = audio_devs[dev]->devc; - - if (speed > 0) - { - if (speed < 4000) - speed = 4000; + sb_devc *devc = audio_devs[dev]->devc; - if (speed > 44100) - speed = 44100; + if (speed > 0) + { + if (speed < 4000) + speed = 4000; - if (devc->channels > 1 && speed > 22050) - speed = 22050; + if (speed > 44100) + speed = 44100; - sb201_audio_set_speed (dev, speed); - } + if (devc->channels > 1 && speed > 22050) + speed = 22050; - return devc->speed; + sb201_audio_set_speed(dev, speed); + } + return devc->speed; } static short -sbpro_audio_set_channels (int dev, short channels) +sbpro_audio_set_channels(int dev, short channels) { - sb_devc *devc = audio_devs[dev]->devc; - - if (channels == 1 || channels == 2) - if (channels != devc->channels) - { - devc->channels = channels; - if (devc->model == MDL_SBPRO) - sbpro_audio_set_speed (dev, devc->speed); - } - return devc->channels; + sb_devc *devc = audio_devs[dev]->devc; + + if (channels == 1 || channels == 2) + if (channels != devc->channels) + { + devc->channels = channels; + if (devc->model == MDL_SBPRO && devc->channels == 2) + { + if (devc->speed > 22050) + printk("OSS: Application error. Wrong ioctl call order.\n"); + sbpro_audio_set_speed(dev, devc->speed); + } + } + return devc->channels; } static int -jazz16_audio_set_speed (int dev, int speed) +jazz16_audio_set_speed(int dev, int speed) { - sb_devc *devc = audio_devs[dev]->devc; - - if (speed > 0) - { - int tmp; - int s = speed * devc->channels; + sb_devc *devc = audio_devs[dev]->devc; - if (speed < 5000) - speed = 4000; + if (speed > 0) + { + int tmp; + int s = speed * devc->channels; - if (speed > 44100) - speed = 44100; + if (speed < 5000) + speed = 4000; - devc->tconst = ((65536 - ((256000000 + s / 2) / - s)) >> 8) & 0xff; + if (speed > 44100) + speed = 44100; - tmp = 256 - devc->tconst; - speed = ((1000000 + tmp / 2) / tmp) / devc->channels; + devc->tconst = ((65536 - ((256000000 + s / 2) / + s)) >> 8) & 0xff; - devc->speed = speed; - } + tmp = 256 - devc->tconst; + speed = ((1000000 + tmp / 2) / tmp) / devc->channels; - return devc->speed; + devc->speed = speed; + } + return devc->speed; } /* @@ -581,620 +575,601 @@ jazz16_audio_set_speed (int dev, int speed) */ static int -ess_audio_set_speed (int dev, int speed) +ess_audio_set_speed(int dev, int speed) { - sb_devc *devc = audio_devs[dev]->devc; - int divider; - - if (speed > 0) - { - if (speed < 5000) - speed = 4000; - - if (speed > 48000) - speed = 48000; - - if (speed > 22000) - { - divider = (795500 + speed / 2) / speed; - speed = (795500 + divider / 2) / divider; - } - else - { - divider = (397700 + speed / 2) / speed; - speed = (397700 + divider / 2) / divider; - } - - devc->speed = speed; - } - - return devc->speed; + sb_devc *devc = audio_devs[dev]->devc; + int divider; + + if (speed > 0) + { + if (speed < 5000) + speed = 4000; + + if (speed > 48000) + speed = 48000; + + if (speed > 22000) + { + divider = (795500 + speed / 2) / speed; + speed = (795500 + divider / 2) / divider; + } else + { + divider = (397700 + speed / 2) / speed; + speed = (397700 + divider / 2) / divider; + } + + devc->speed = speed; + } + return devc->speed; } static void -ess_speed (sb_devc * devc) +ess_speed(sb_devc * devc) { - int divider; - unsigned char bits = 0; - int speed = devc->speed; - - if (speed < 4000) - speed = 4000; - else if (speed > 48000) - speed = 48000; - - if (speed > 22000) - { - bits = 0x80; - divider = 256 - (795500 + speed / 2) / speed; - } - else - { - divider = 128 - (397700 + speed / 2) / speed; - } - - bits |= (unsigned char) divider; - ess_write (devc, 0xa1, bits); + int divider; + unsigned char bits = 0; + int speed = devc->speed; + + if (speed < 4000) + speed = 4000; + else if (speed > 48000) + speed = 48000; + + if (speed > 22000) + { + bits = 0x80; + divider = 256 - (795500 + speed / 2) / speed; + } else + { + divider = 128 - (397700 + speed / 2) / speed; + } + + bits |= (unsigned char) divider; + ess_write(devc, 0xa1, bits); /* * Set filter divider register */ - speed = (speed * 9) / 20; /* Set filter roll-off to 90% of speed/2 */ - divider = 256 - 7160000 / (speed * 82); - ess_write (devc, 0xa2, divider); + speed = (speed * 9) / 20; /* Set filter roll-off to 90% of speed/2 */ + divider = 256 - 7160000 / (speed * 82); + ess_write(devc, 0xa2, divider); - return; + return; } static int -ess_audio_prepare_for_input (int dev, int bsize, int bcount) +ess_audio_prepare_for_input(int dev, int bsize, int bcount) { - sb_devc *devc = audio_devs[dev]->devc; - - ess_speed (devc); - sb_dsp_command (devc, DSP_CMD_SPKOFF); - - ess_write (devc, 0xb8, 0x0e); /* Auto init DMA mode */ - ess_write (devc, 0xa8, (ess_read (devc, 0xa8) & ~0x03) | - (3 - devc->channels)); /* Mono/stereo */ - ess_write (devc, 0xb9, 2); /* Demand mode (4 bytes/DMA request) */ - - if (devc->channels == 1) - { - if (devc->bits == AFMT_U8) - { /* 8 bit mono */ - ess_write (devc, 0xb7, 0x51); - ess_write (devc, 0xb7, 0xd0); - } - else - { /* 16 bit mono */ - ess_write (devc, 0xb7, 0x71); - ess_write (devc, 0xb7, 0xf4); - } - } - else - { /* Stereo */ - if (devc->bits == AFMT_U8) - { /* 8 bit stereo */ - ess_write (devc, 0xb7, 0x51); - ess_write (devc, 0xb7, 0x98); - } - else - { /* 16 bit stereo */ - ess_write (devc, 0xb7, 0x71); - ess_write (devc, 0xb7, 0xbc); - } - } - - ess_write (devc, 0xb1, (ess_read (devc, 0xb1) & 0x0f) | 0x50); - ess_write (devc, 0xb2, (ess_read (devc, 0xb2) & 0x0f) | 0x50); - - devc->trigger_bits = 0; - return 0; + sb_devc *devc = audio_devs[dev]->devc; + + ess_speed(devc); + sb_dsp_command(devc, DSP_CMD_SPKOFF); + + ess_write(devc, 0xb8, 0x0e); /* Auto init DMA mode */ + ess_write(devc, 0xa8, (ess_read(devc, 0xa8) & ~0x03) | + (3 - devc->channels)); /* Mono/stereo */ + ess_write(devc, 0xb9, 2); /* Demand mode (4 bytes/DMA request) */ + + if (devc->channels == 1) + { + if (devc->bits == AFMT_U8) + { /* 8 bit mono */ + ess_write(devc, 0xb7, 0x51); + ess_write(devc, 0xb7, 0xd0); + } else + { /* 16 bit mono */ + ess_write(devc, 0xb7, 0x71); + ess_write(devc, 0xb7, 0xf4); + } + } else + { /* Stereo */ + if (devc->bits == AFMT_U8) + { /* 8 bit stereo */ + ess_write(devc, 0xb7, 0x51); + ess_write(devc, 0xb7, 0x98); + } else + { /* 16 bit stereo */ + ess_write(devc, 0xb7, 0x71); + ess_write(devc, 0xb7, 0xbc); + } + } + + ess_write(devc, 0xb1, (ess_read(devc, 0xb1) & 0x0f) | 0x50); + ess_write(devc, 0xb2, (ess_read(devc, 0xb2) & 0x0f) | 0x50); + + devc->trigger_bits = 0; + return 0; } -static int -ess_audio_prepare_for_output (int dev, int bsize, int bcount) +static int ess_audio_prepare_for_output(int dev, int bsize, int bcount) { - sb_devc *devc = audio_devs[dev]->devc; - - sb_dsp_reset (devc); - ess_speed (devc); - - ess_write (devc, 0xb8, 4); /* Auto init DMA mode */ - ess_write (devc, 0xa8, (ess_read (devc, 0xa8) & ~0x03) | - (3 - devc->channels)); /* Mono/stereo */ - ess_write (devc, 0xb9, 2); /* Demand mode (4 bytes/request) */ - - if (devc->channels == 1) - { - if (devc->bits == AFMT_U8) - { /* 8 bit mono */ - ess_write (devc, 0xb6, 0x80); - ess_write (devc, 0xb7, 0x51); - ess_write (devc, 0xb7, 0xd0); - } - else - { /* 16 bit mono */ - ess_write (devc, 0xb6, 0x00); - ess_write (devc, 0xb7, 0x71); - ess_write (devc, 0xb7, 0xf4); - } - } - else - { /* Stereo */ - if (devc->bits == AFMT_U8) - { /* 8 bit stereo */ - ess_write (devc, 0xb6, 0x80); - ess_write (devc, 0xb7, 0x51); - ess_write (devc, 0xb7, 0x98); + sb_devc *devc = audio_devs[dev]->devc; + + sb_dsp_reset(devc); + ess_speed(devc); + + ess_write(devc, 0xb8, 4); /* Auto init DMA mode */ + ess_write(devc, 0xa8, (ess_read(devc, 0xa8) & ~0x03) | + (3 - devc->channels)); /* Mono/stereo */ + ess_write(devc, 0xb9, 2); /* Demand mode (4 bytes/request) */ + + if (devc->channels == 1) + { + if (devc->bits == AFMT_U8) + { /* 8 bit mono */ + ess_write(devc, 0xb6, 0x80); + ess_write(devc, 0xb7, 0x51); + ess_write(devc, 0xb7, 0xd0); + } else + { /* 16 bit mono */ + ess_write(devc, 0xb6, 0x00); + ess_write(devc, 0xb7, 0x71); + ess_write(devc, 0xb7, 0xf4); + } } - else - { /* 16 bit stereo */ - ess_write (devc, 0xb6, 0x00); - ess_write (devc, 0xb7, 0x71); - ess_write (devc, 0xb7, 0xbc); + else + { /* Stereo */ + if (devc->bits == AFMT_U8) + { /* 8 bit stereo */ + ess_write(devc, 0xb6, 0x80); + ess_write(devc, 0xb7, 0x51); + ess_write(devc, 0xb7, 0x98); + } + else + { /* 16 bit stereo */ + ess_write(devc, 0xb6, 0x00); + ess_write(devc, 0xb7, 0x71); + ess_write(devc, 0xb7, 0xbc); + } } - } - ess_write (devc, 0xb1, (ess_read (devc, 0xb1) & 0x0f) | 0x50); - ess_write (devc, 0xb2, (ess_read (devc, 0xb2) & 0x0f) | 0x50); - sb_dsp_command (devc, DSP_CMD_SPKON); + ess_write(devc, 0xb1, (ess_read(devc, 0xb1) & 0x0f) | 0x50); + ess_write(devc, 0xb2, (ess_read(devc, 0xb2) & 0x0f) | 0x50); + sb_dsp_command(devc, DSP_CMD_SPKON); - devc->trigger_bits = 0; - return 0; + devc->trigger_bits = 0; + return 0; } -static void -ess_audio_output_block (int dev, unsigned long buf, int nr_bytes, - int intrflag) +static void ess_audio_output_block(int dev, unsigned long buf, int nr_bytes, + int intrflag) { - int count = nr_bytes; - sb_devc *devc = audio_devs[dev]->devc; - short c = -nr_bytes; + int count = nr_bytes; + sb_devc *devc = audio_devs[dev]->devc; + short c = -nr_bytes; - /* DMAbuf_start_dma (dev, buf, count, DMA_MODE_WRITE); */ + /* DMAbuf_start_dma (dev, buf, count, DMA_MODE_WRITE); */ - if (audio_devs[dev]->dmap_out->dma > 3) - count >>= 1; - count--; + if (audio_devs[dev]->dmap_out->dma > 3) + count >>= 1; + count--; - devc->irq_mode = IMODE_OUTPUT; + devc->irq_mode = IMODE_OUTPUT; - ess_write (devc, 0xa4, (unsigned char) ((unsigned short) c & 0xff)); - ess_write (devc, 0xa5, (unsigned char) (((unsigned short) c >> 8) & 0xff)); + ess_write(devc, 0xa4, (unsigned char) ((unsigned short) c & 0xff)); + ess_write(devc, 0xa5, (unsigned char) (((unsigned short) c >> 8) & 0xff)); - ess_write (devc, 0xb8, ess_read (devc, 0xb8) | 0x05); /* Go */ - devc->intr_active = 1; + ess_write(devc, 0xb8, ess_read(devc, 0xb8) | 0x05); /* Go */ + devc->intr_active = 1; } -static void -ess_audio_start_input (int dev, unsigned long buf, int nr_bytes, int intrflag) +static void ess_audio_start_input(int dev, unsigned long buf, int nr_bytes, int intrflag) { - int count = nr_bytes; - sb_devc *devc = audio_devs[dev]->devc; - short c = -nr_bytes; + int count = nr_bytes; + sb_devc *devc = audio_devs[dev]->devc; + short c = -nr_bytes; - /* - * Start a DMA input to the buffer pointed by dmaqtail - */ + /* + * Start a DMA input to the buffer pointed by dmaqtail + */ - /* DMAbuf_start_dma (dev, buf, count, DMA_MODE_READ); */ + /* DMAbuf_start_dma (dev, buf, count, DMA_MODE_READ); */ - if (audio_devs[dev]->dmap_out->dma > 3) - count >>= 1; - count--; + if (audio_devs[dev]->dmap_out->dma > 3) + count >>= 1; + count--; - devc->irq_mode = IMODE_INPUT; + devc->irq_mode = IMODE_INPUT; - ess_write (devc, 0xa4, (unsigned char) ((unsigned short) c & 0xff)); - ess_write (devc, 0xa5, (unsigned char) (((unsigned short) c >> 8) & 0xff)); + ess_write(devc, 0xa4, (unsigned char) ((unsigned short) c & 0xff)); + ess_write(devc, 0xa5, (unsigned char) (((unsigned short) c >> 8) & 0xff)); - ess_write (devc, 0xb8, ess_read (devc, 0xb8) | 0x0f); /* Go */ - devc->intr_active = 1; + ess_write(devc, 0xb8, ess_read(devc, 0xb8) | 0x0f); /* Go */ + devc->intr_active = 1; } -static void -ess_audio_trigger (int dev, int bits) +static void ess_audio_trigger(int dev, int bits) { - sb_devc *devc = audio_devs[dev]->devc; + sb_devc *devc = audio_devs[dev]->devc; - bits &= devc->irq_mode; + bits &= devc->irq_mode; - if (!bits) - sb_dsp_command (devc, 0xd0); /* Halt DMA */ - else - { - switch (devc->irq_mode) + if (!bits) + sb_dsp_command(devc, 0xd0); /* Halt DMA */ + else { - case IMODE_INPUT: - ess_audio_start_input (dev, devc->trg_buf, devc->trg_bytes, - devc->trg_intrflag); - break; - - case IMODE_OUTPUT: - ess_audio_output_block (dev, devc->trg_buf, devc->trg_bytes, - devc->trg_intrflag); - break; + switch (devc->irq_mode) + { + case IMODE_INPUT: + ess_audio_start_input(dev, devc->trg_buf, devc->trg_bytes, + devc->trg_intrflag); + break; + + case IMODE_OUTPUT: + ess_audio_output_block(dev, devc->trg_buf, devc->trg_bytes, + devc->trg_intrflag); + break; + } } - } - devc->trigger_bits = bits; + devc->trigger_bits = bits; } /* * SB16 specific routines */ -static int -sb16_audio_set_speed (int dev, int speed) +static int sb16_audio_set_speed(int dev, int speed) { - sb_devc *devc = audio_devs[dev]->devc; - - if (speed > 0) - { - if (speed < 5000) - speed = 4000; + sb_devc *devc = audio_devs[dev]->devc; - if (speed > 44100) - speed = 44100; + if (speed > 0) + { + if (speed < 5000) + speed = 4000; - devc->speed = speed; - } + if (speed > 44100) + speed = 44100; - return devc->speed; + devc->speed = speed; + } + return devc->speed; } -static unsigned int -sb16_audio_set_bits (int dev, unsigned int bits) +static unsigned int sb16_audio_set_bits(int dev, unsigned int bits) { - sb_devc *devc = audio_devs[dev]->devc; + sb_devc *devc = audio_devs[dev]->devc; - if (bits != 0) - if (devc->bits == AFMT_U8 || bits == AFMT_S16_LE) - devc->bits = bits; - else - devc->bits = AFMT_U8; + if (bits != 0) + { + if (devc->bits == AFMT_U8 || bits == AFMT_S16_LE) + devc->bits = bits; + else + devc->bits = AFMT_U8; + } - return devc->bits; + return devc->bits; } -static int -sb16_audio_prepare_for_input (int dev, int bsize, int bcount) +static int sb16_audio_prepare_for_input(int dev, int bsize, int bcount) { - sb_devc *devc = audio_devs[dev]->devc; + sb_devc *devc = audio_devs[dev]->devc; - audio_devs[dev]->dmap_out->dma = - audio_devs[dev]->dmap_in->dma = - devc->bits == AFMT_S16_LE ? devc->dma16 : devc->dma8; + audio_devs[dev]->dmap_out->dma = + audio_devs[dev]->dmap_in->dma = + devc->bits == AFMT_S16_LE ? devc->dma16 : devc->dma8; - devc->trigger_bits = 0; - return 0; + devc->trigger_bits = 0; + return 0; } -static int -sb16_audio_prepare_for_output (int dev, int bsize, int bcount) +static int sb16_audio_prepare_for_output(int dev, int bsize, int bcount) { - sb_devc *devc = audio_devs[dev]->devc; + sb_devc *devc = audio_devs[dev]->devc; - audio_devs[dev]->dmap_out->dma = - audio_devs[dev]->dmap_in->dma = - devc->bits == AFMT_S16_LE ? devc->dma16 : devc->dma8; + audio_devs[dev]->dmap_out->dma = + audio_devs[dev]->dmap_in->dma = + devc->bits == AFMT_S16_LE ? devc->dma16 : devc->dma8; - devc->trigger_bits = 0; - return 0; + devc->trigger_bits = 0; + return 0; } -static void -sb16_audio_output_block (int dev, unsigned long buf, int count, - int intrflag) +static void sb16_audio_output_block(int dev, unsigned long buf, int count, + int intrflag) { - unsigned long flags, cnt; - sb_devc *devc = audio_devs[dev]->devc; + unsigned long flags, cnt; + sb_devc *devc = audio_devs[dev]->devc; - devc->irq_mode = IMODE_OUTPUT; - devc->intr_active = 1; + devc->irq_mode = IMODE_OUTPUT; + devc->intr_active = 1; - cnt = count; - if (devc->bits == AFMT_S16_LE) - cnt >>= 1; - cnt--; + cnt = count; + if (devc->bits == AFMT_S16_LE) + cnt >>= 1; + cnt--; - save_flags (flags); - cli (); + save_flags(flags); + cli(); - /* DMAbuf_start_dma (dev, buf, count, DMA_MODE_WRITE); */ + /* DMAbuf_start_dma (dev, buf, count, DMA_MODE_WRITE); */ - sb_dsp_command (devc, 0x41); - sb_dsp_command (devc, (unsigned char) ((devc->speed >> 8) & 0xff)); - sb_dsp_command (devc, (unsigned char) (devc->speed & 0xff)); + sb_dsp_command(devc, 0x41); + sb_dsp_command(devc, (unsigned char) ((devc->speed >> 8) & 0xff)); + sb_dsp_command(devc, (unsigned char) (devc->speed & 0xff)); - sb_dsp_command (devc, (devc->bits == AFMT_S16_LE ? 0xb6 : 0xc6)); - sb_dsp_command (devc, ((devc->channels == 2 ? 0x20 : 0) + - (devc->bits == AFMT_S16_LE ? 0x10 : 0))); - sb_dsp_command (devc, (unsigned char) (cnt & 0xff)); - sb_dsp_command (devc, (unsigned char) (cnt >> 8)); + sb_dsp_command(devc, (devc->bits == AFMT_S16_LE ? 0xb6 : 0xc6)); + sb_dsp_command(devc, ((devc->channels == 2 ? 0x20 : 0) + + (devc->bits == AFMT_S16_LE ? 0x10 : 0))); + sb_dsp_command(devc, (unsigned char) (cnt & 0xff)); + sb_dsp_command(devc, (unsigned char) (cnt >> 8)); - restore_flags (flags); + restore_flags(flags); } -static void -sb16_audio_start_input (int dev, unsigned long buf, int count, int intrflag) +static void sb16_audio_start_input(int dev, unsigned long buf, int count, int intrflag) { - unsigned long flags, cnt; - sb_devc *devc = audio_devs[dev]->devc; + unsigned long flags, cnt; + sb_devc *devc = audio_devs[dev]->devc; - devc->irq_mode = IMODE_INPUT; - devc->intr_active = 1; + devc->irq_mode = IMODE_INPUT; + devc->intr_active = 1; - cnt = count; - if (devc->bits == AFMT_S16_LE) - cnt >>= 1; - cnt--; + cnt = count; + if (devc->bits == AFMT_S16_LE) + cnt >>= 1; + cnt--; - save_flags (flags); - cli (); + save_flags(flags); + cli(); - /* DMAbuf_start_dma (dev, buf, count, DMA_MODE_READ); */ + /* DMAbuf_start_dma (dev, buf, count, DMA_MODE_READ); */ - sb_dsp_command (devc, 0x42); - sb_dsp_command (devc, (unsigned char) ((devc->speed >> 8) & 0xff)); - sb_dsp_command (devc, (unsigned char) (devc->speed & 0xff)); + sb_dsp_command(devc, 0x42); + sb_dsp_command(devc, (unsigned char) ((devc->speed >> 8) & 0xff)); + sb_dsp_command(devc, (unsigned char) (devc->speed & 0xff)); - sb_dsp_command (devc, (devc->bits == AFMT_S16_LE ? 0xbe : 0xce)); - sb_dsp_command (devc, ((devc->channels == 2 ? 0x20 : 0) + - (devc->bits == AFMT_S16_LE ? 0x10 : 0))); - sb_dsp_command (devc, (unsigned char) (cnt & 0xff)); - sb_dsp_command (devc, (unsigned char) (cnt >> 8)); + sb_dsp_command(devc, (devc->bits == AFMT_S16_LE ? 0xbe : 0xce)); + sb_dsp_command(devc, ((devc->channels == 2 ? 0x20 : 0) + + (devc->bits == AFMT_S16_LE ? 0x10 : 0))); + sb_dsp_command(devc, (unsigned char) (cnt & 0xff)); + sb_dsp_command(devc, (unsigned char) (cnt >> 8)); - restore_flags (flags); + restore_flags(flags); } -static void -sb16_audio_trigger (int dev, int bits) +static void sb16_audio_trigger(int dev, int bits) { - sb_devc *devc = audio_devs[dev]->devc; + sb_devc *devc = audio_devs[dev]->devc; - bits &= devc->irq_mode; + bits &= devc->irq_mode; - if (!bits) - sb_dsp_command (devc, 0xd0); /* Halt DMA */ - else - { - switch (devc->irq_mode) + if (!bits) + sb_dsp_command(devc, 0xd0); /* Halt DMA */ + else { - case IMODE_INPUT: - sb16_audio_start_input (dev, devc->trg_buf, devc->trg_bytes, - devc->trg_intrflag); - break; - - case IMODE_OUTPUT: - sb16_audio_output_block (dev, devc->trg_buf, devc->trg_bytes, - devc->trg_intrflag); - break; + switch (devc->irq_mode) + { + case IMODE_INPUT: + sb16_audio_start_input(dev, devc->trg_buf, devc->trg_bytes, + devc->trg_intrflag); + break; + + case IMODE_OUTPUT: + sb16_audio_output_block(dev, devc->trg_buf, devc->trg_bytes, + devc->trg_intrflag); + break; + } } - } - devc->trigger_bits = bits; + devc->trigger_bits = bits; } -static int -sb_audio_ioctl (int dev, unsigned int cmd, caddr_t arg) +static int sb_audio_ioctl(int dev, unsigned int cmd, caddr_t arg) { - return -EINVAL; + return -EINVAL; } static struct audio_driver sb1_audio_driver = /* SB1.x */ { - sb_audio_open, - sb_audio_close, - sb_set_output_parms, - sb_set_input_parms, - sb_audio_ioctl, - sb1_audio_prepare_for_input, - sb1_audio_prepare_for_output, - sb1_audio_halt_xfer, - NULL, /* local_qlen */ - NULL, /* copy_from_user */ - NULL, - NULL, - sb1_audio_trigger, - sb1_audio_set_speed, - sb1_audio_set_bits, - sb1_audio_set_channels + sb_audio_open, + sb_audio_close, + sb_set_output_parms, + sb_set_input_parms, + sb_audio_ioctl, + sb1_audio_prepare_for_input, + sb1_audio_prepare_for_output, + sb1_audio_halt_xfer, + NULL, /* local_qlen */ + NULL, /* copy_from_user */ + NULL, + NULL, + sb1_audio_trigger, + sb1_audio_set_speed, + sb1_audio_set_bits, + sb1_audio_set_channels }; static struct audio_driver sb20_audio_driver = /* SB2.0 */ { - sb_audio_open, - sb_audio_close, - sb_set_output_parms, - sb_set_input_parms, - sb_audio_ioctl, - sb1_audio_prepare_for_input, - sb1_audio_prepare_for_output, - sb1_audio_halt_xfer, - NULL, /* local_qlen */ - NULL, /* copy_from_user */ - NULL, - NULL, - sb20_audio_trigger, - sb1_audio_set_speed, - sb1_audio_set_bits, - sb1_audio_set_channels + sb_audio_open, + sb_audio_close, + sb_set_output_parms, + sb_set_input_parms, + sb_audio_ioctl, + sb1_audio_prepare_for_input, + sb1_audio_prepare_for_output, + sb1_audio_halt_xfer, + NULL, /* local_qlen */ + NULL, /* copy_from_user */ + NULL, + NULL, + sb20_audio_trigger, + sb1_audio_set_speed, + sb1_audio_set_bits, + sb1_audio_set_channels }; static struct audio_driver sb201_audio_driver = /* SB2.01 */ { - sb_audio_open, - sb_audio_close, - sb_set_output_parms, - sb_set_input_parms, - sb_audio_ioctl, - sb1_audio_prepare_for_input, - sb1_audio_prepare_for_output, - sb1_audio_halt_xfer, - NULL, /* local_qlen */ - NULL, /* copy_from_user */ - NULL, - NULL, - sb20_audio_trigger, - sb201_audio_set_speed, - sb1_audio_set_bits, - sb1_audio_set_channels + sb_audio_open, + sb_audio_close, + sb_set_output_parms, + sb_set_input_parms, + sb_audio_ioctl, + sb1_audio_prepare_for_input, + sb1_audio_prepare_for_output, + sb1_audio_halt_xfer, + NULL, /* local_qlen */ + NULL, /* copy_from_user */ + NULL, + NULL, + sb20_audio_trigger, + sb201_audio_set_speed, + sb1_audio_set_bits, + sb1_audio_set_channels }; static struct audio_driver sbpro_audio_driver = /* SB Pro */ { - sb_audio_open, - sb_audio_close, - sb_set_output_parms, - sb_set_input_parms, - sb_audio_ioctl, - sbpro_audio_prepare_for_input, - sbpro_audio_prepare_for_output, - sb1_audio_halt_xfer, - NULL, /* local_qlen */ - NULL, /* copy_from_user */ - NULL, - NULL, - sb20_audio_trigger, - sbpro_audio_set_speed, - sb1_audio_set_bits, - sbpro_audio_set_channels + sb_audio_open, + sb_audio_close, + sb_set_output_parms, + sb_set_input_parms, + sb_audio_ioctl, + sbpro_audio_prepare_for_input, + sbpro_audio_prepare_for_output, + sb1_audio_halt_xfer, + NULL, /* local_qlen */ + NULL, /* copy_from_user */ + NULL, + NULL, + sb20_audio_trigger, + sbpro_audio_set_speed, + sb1_audio_set_bits, + sbpro_audio_set_channels }; static struct audio_driver jazz16_audio_driver = /* Jazz16 and SM Wave */ { - sb_audio_open, - sb_audio_close, - sb_set_output_parms, - sb_set_input_parms, - sb_audio_ioctl, - sbpro_audio_prepare_for_input, - sbpro_audio_prepare_for_output, - sb1_audio_halt_xfer, - NULL, /* local_qlen */ - NULL, /* copy_from_user */ - NULL, - NULL, - sb20_audio_trigger, - jazz16_audio_set_speed, - sb16_audio_set_bits, - sbpro_audio_set_channels + sb_audio_open, + sb_audio_close, + sb_set_output_parms, + sb_set_input_parms, + sb_audio_ioctl, + sbpro_audio_prepare_for_input, + sbpro_audio_prepare_for_output, + sb1_audio_halt_xfer, + NULL, /* local_qlen */ + NULL, /* copy_from_user */ + NULL, + NULL, + sb20_audio_trigger, + jazz16_audio_set_speed, + sb16_audio_set_bits, + sbpro_audio_set_channels }; static struct audio_driver sb16_audio_driver = /* SB16 */ { - sb_audio_open, - sb_audio_close, - sb_set_output_parms, - sb_set_input_parms, - sb_audio_ioctl, - sb16_audio_prepare_for_input, - sb16_audio_prepare_for_output, - sb1_audio_halt_xfer, - NULL, /* local_qlen */ - NULL, /* copy_from_user */ - NULL, - NULL, - sb16_audio_trigger, - sb16_audio_set_speed, - sb16_audio_set_bits, - sbpro_audio_set_channels + sb_audio_open, + sb_audio_close, + sb_set_output_parms, + sb_set_input_parms, + sb_audio_ioctl, + sb16_audio_prepare_for_input, + sb16_audio_prepare_for_output, + sb1_audio_halt_xfer, + NULL, /* local_qlen */ + NULL, /* copy_from_user */ + NULL, + NULL, + sb16_audio_trigger, + sb16_audio_set_speed, + sb16_audio_set_bits, + sbpro_audio_set_channels }; static struct audio_driver ess_audio_driver = /* ESS ES688/1688 */ { - sb_audio_open, - sb_audio_close, - sb_set_output_parms, - sb_set_input_parms, - sb_audio_ioctl, - ess_audio_prepare_for_input, - ess_audio_prepare_for_output, - sb1_audio_halt_xfer, - NULL, /* local_qlen */ - NULL, /* copy_from_user */ - NULL, - NULL, - ess_audio_trigger, - ess_audio_set_speed, - sb16_audio_set_bits, - sbpro_audio_set_channels + sb_audio_open, + sb_audio_close, + sb_set_output_parms, + sb_set_input_parms, + sb_audio_ioctl, + ess_audio_prepare_for_input, + ess_audio_prepare_for_output, + sb1_audio_halt_xfer, + NULL, /* local_qlen */ + NULL, /* copy_from_user */ + NULL, + NULL, + ess_audio_trigger, + ess_audio_set_speed, + sb16_audio_set_bits, + sbpro_audio_set_channels }; -void -sb_audio_init (sb_devc * devc, char *name) +void sb_audio_init(sb_devc * devc, char *name) { - int audio_flags = 0; - int format_mask = AFMT_U8; - - struct audio_driver *driver = &sb1_audio_driver; - - switch (devc->model) - { - case MDL_SB1: /* SB1.0 or SB 1.5 */ - DDB (printk ("Will use standard SB1.x driver\n")); - audio_flags = DMA_HARDSTOP; - break; - - case MDL_SB2: - DDB (printk ("Will use SB2.0 driver\n")); - audio_flags = DMA_AUTOMODE; - driver = &sb20_audio_driver; - break; - - case MDL_SB201: - DDB (printk ("Will use SB2.01 (high speed) driver\n")); - audio_flags = DMA_AUTOMODE; - driver = &sb201_audio_driver; - break; - - case MDL_JAZZ: - case MDL_SMW: - DDB (printk ("Will use Jazz16 driver\n")); - audio_flags = DMA_AUTOMODE; - format_mask |= AFMT_S16_LE; - driver = &jazz16_audio_driver; - break; - - case MDL_ESS: - DDB (printk ("Will use ESS ES688/1688 driver\n")); - audio_flags = DMA_AUTOMODE; - format_mask |= AFMT_S16_LE; - driver = &ess_audio_driver; - break; - - case MDL_SB16: - DDB (printk ("Will use SB16 driver\n")); - audio_flags = DMA_AUTOMODE; - format_mask |= AFMT_S16_LE; - driver = &sb16_audio_driver; - break; - - default: - DDB (printk ("Will use SB Pro driver\n")); - audio_flags = DMA_AUTOMODE; - driver = &sbpro_audio_driver; - } - - if ((devc->my_dev = sound_install_audiodrv (AUDIO_DRIVER_VERSION, - name, - driver, - sizeof (struct audio_driver), - audio_flags, - format_mask, - devc, - devc->dma8, - devc->dma8)) < 0) - { - return; - } - - audio_devs[devc->my_dev]->mixer_dev = devc->my_mixerdev; - audio_devs[devc->my_dev]->min_fragment = 5; + int audio_flags = 0; + int format_mask = AFMT_U8; + + struct audio_driver *driver = &sb1_audio_driver; + + switch (devc->model) + { + case MDL_SB1: /* SB1.0 or SB 1.5 */ + DDB(printk("Will use standard SB1.x driver\n")); + audio_flags = DMA_HARDSTOP; + break; + + case MDL_SB2: + DDB(printk("Will use SB2.0 driver\n")); + audio_flags = DMA_AUTOMODE; + driver = &sb20_audio_driver; + break; + + case MDL_SB201: + DDB(printk("Will use SB2.01 (high speed) driver\n")); + audio_flags = DMA_AUTOMODE; + driver = &sb201_audio_driver; + break; + + case MDL_JAZZ: + case MDL_SMW: + DDB(printk("Will use Jazz16 driver\n")); + audio_flags = DMA_AUTOMODE; + format_mask |= AFMT_S16_LE; + driver = &jazz16_audio_driver; + break; + + case MDL_ESS: + DDB(printk("Will use ESS ES688/1688 driver\n")); + audio_flags = DMA_AUTOMODE; + format_mask |= AFMT_S16_LE; + driver = &ess_audio_driver; + break; + + case MDL_SB16: + DDB(printk("Will use SB16 driver\n")); + audio_flags = DMA_AUTOMODE; + format_mask |= AFMT_S16_LE; + driver = &sb16_audio_driver; + break; + + default: + DDB(printk("Will use SB Pro driver\n")); + audio_flags = DMA_AUTOMODE; + driver = &sbpro_audio_driver; + } + + if ((devc->my_dev = sound_install_audiodrv(AUDIO_DRIVER_VERSION, + name, + driver, + sizeof(struct audio_driver), + audio_flags, + format_mask, + devc, + devc->dma8, + devc->dma8)) < 0) + { + printk(KERN_ERR "sb: unable to install audio.\n"); + return; + } + audio_devs[devc->my_dev]->mixer_dev = devc->my_mixerdev; + audio_devs[devc->my_dev]->min_fragment = 5; } #endif |