cregit-Linux how code gets into the kernel

Release 4.8 sound/isa/ad1816a/ad1816a_lib.c

/*
    ad1816a.c - lowlevel code for Analog Devices AD1816A chip.
    Copyright (C) 1999-2000 by Massimo Piccioni <dafastidio@libero.it>

    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/delay.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/slab.h>
#include <linux/ioport.h>
#include <linux/io.h>
#include <sound/core.h>
#include <sound/tlv.h>
#include <sound/ad1816a.h>

#include <asm/dma.h>


static inline int snd_ad1816a_busy_wait(struct snd_ad1816a *chip) { int timeout; for (timeout = 1000; timeout-- > 0; udelay(10)) if (inb(AD1816A_REG(AD1816A_CHIP_STATUS)) & AD1816A_READY) return 0; snd_printk(KERN_WARNING "chip busy.\n"); return -EBUSY; }

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static inline unsigned char snd_ad1816a_in(struct snd_ad1816a *chip, unsigned char reg) { snd_ad1816a_busy_wait(chip); return inb(AD1816A_REG(reg)); }

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static inline void snd_ad1816a_out(struct snd_ad1816a *chip, unsigned char reg, unsigned char value) { snd_ad1816a_busy_wait(chip); outb(value, AD1816A_REG(reg)); }

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static inline void snd_ad1816a_out_mask(struct snd_ad1816a *chip, unsigned char reg, unsigned char mask, unsigned char value) { snd_ad1816a_out(chip, reg, (value & mask) | (snd_ad1816a_in(chip, reg) & ~mask)); }

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static unsigned short snd_ad1816a_read(struct snd_ad1816a *chip, unsigned char reg) { snd_ad1816a_out(chip, AD1816A_INDIR_ADDR, reg & 0x3f); return snd_ad1816a_in(chip, AD1816A_INDIR_DATA_LOW) | (snd_ad1816a_in(chip, AD1816A_INDIR_DATA_HIGH) << 8); }

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static void snd_ad1816a_write(struct snd_ad1816a *chip, unsigned char reg, unsigned short value) { snd_ad1816a_out(chip, AD1816A_INDIR_ADDR, reg & 0x3f); snd_ad1816a_out(chip, AD1816A_INDIR_DATA_LOW, value & 0xff); snd_ad1816a_out(chip, AD1816A_INDIR_DATA_HIGH, (value >> 8) & 0xff); }

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static void snd_ad1816a_write_mask(struct snd_ad1816a *chip, unsigned char reg, unsigned short mask, unsigned short value) { snd_ad1816a_write(chip, reg, (value & mask) | (snd_ad1816a_read(chip, reg) & ~mask)); }

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static unsigned char snd_ad1816a_get_format(struct snd_ad1816a *chip, unsigned int format, int channels) { unsigned char retval = AD1816A_FMT_LINEAR_8; switch (format) { case SNDRV_PCM_FORMAT_MU_LAW: retval = AD1816A_FMT_ULAW_8; break; case SNDRV_PCM_FORMAT_A_LAW: retval = AD1816A_FMT_ALAW_8; break; case SNDRV_PCM_FORMAT_S16_LE: retval = AD1816A_FMT_LINEAR_16_LIT; break; case SNDRV_PCM_FORMAT_S16_BE: retval = AD1816A_FMT_LINEAR_16_BIG; } return (channels > 1) ? (retval | AD1816A_FMT_STEREO) : retval; }

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static int snd_ad1816a_open(struct snd_ad1816a *chip, unsigned int mode) { unsigned long flags; spin_lock_irqsave(&chip->lock, flags); if (chip->mode & mode) { spin_unlock_irqrestore(&chip->lock, flags); return -EAGAIN; } switch ((mode &= AD1816A_MODE_OPEN)) { case AD1816A_MODE_PLAYBACK: snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS, AD1816A_PLAYBACK_IRQ_PENDING, 0x00); snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, AD1816A_PLAYBACK_IRQ_ENABLE, 0xffff); break; case AD1816A_MODE_CAPTURE: snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS, AD1816A_CAPTURE_IRQ_PENDING, 0x00); snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, AD1816A_CAPTURE_IRQ_ENABLE, 0xffff); break; case AD1816A_MODE_TIMER: snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS, AD1816A_TIMER_IRQ_PENDING, 0x00); snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, AD1816A_TIMER_IRQ_ENABLE, 0xffff); } chip->mode |= mode; spin_unlock_irqrestore(&chip->lock, flags); return 0; }

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static void snd_ad1816a_close(struct snd_ad1816a *chip, unsigned int mode) { unsigned long flags; spin_lock_irqsave(&chip->lock, flags); switch ((mode &= AD1816A_MODE_OPEN)) { case AD1816A_MODE_PLAYBACK: snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS, AD1816A_PLAYBACK_IRQ_PENDING, 0x00); snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, AD1816A_PLAYBACK_IRQ_ENABLE, 0x0000); break; case AD1816A_MODE_CAPTURE: snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS, AD1816A_CAPTURE_IRQ_PENDING, 0x00); snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, AD1816A_CAPTURE_IRQ_ENABLE, 0x0000); break; case AD1816A_MODE_TIMER: snd_ad1816a_out_mask(chip, AD1816A_INTERRUPT_STATUS, AD1816A_TIMER_IRQ_PENDING, 0x00); snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, AD1816A_TIMER_IRQ_ENABLE, 0x0000); } if (!((chip->mode &= ~mode) & AD1816A_MODE_OPEN)) chip->mode = 0; spin_unlock_irqrestore(&chip->lock, flags); }

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static int snd_ad1816a_trigger(struct snd_ad1816a *chip, unsigned char what, int channel, int cmd, int iscapture) { int error = 0; switch (cmd) { case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_STOP: spin_lock(&chip->lock); cmd = (cmd == SNDRV_PCM_TRIGGER_START) ? 0xff: 0x00; /* if (what & AD1816A_PLAYBACK_ENABLE) */ /* That is not valid, because playback and capture enable * are the same bit pattern, just to different addresses */ if (! iscapture) snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG, AD1816A_PLAYBACK_ENABLE, cmd); else snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG, AD1816A_CAPTURE_ENABLE, cmd); spin_unlock(&chip->lock); break; default: snd_printk(KERN_WARNING "invalid trigger mode 0x%x.\n", what); error = -EINVAL; } return error; }

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static int snd_ad1816a_playback_trigger(struct snd_pcm_substream *substream, int cmd) { struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); return snd_ad1816a_trigger(chip, AD1816A_PLAYBACK_ENABLE, SNDRV_PCM_STREAM_PLAYBACK, cmd, 0); }

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static int snd_ad1816a_capture_trigger(struct snd_pcm_substream *substream, int cmd) { struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); return snd_ad1816a_trigger(chip, AD1816A_CAPTURE_ENABLE, SNDRV_PCM_STREAM_CAPTURE, cmd, 1); }

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static int snd_ad1816a_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { return snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params)); }

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static int snd_ad1816a_hw_free(struct snd_pcm_substream *substream) { return snd_pcm_lib_free_pages(substream); }

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static int snd_ad1816a_playback_prepare(struct snd_pcm_substream *substream) { struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); unsigned long flags; struct snd_pcm_runtime *runtime = substream->runtime; unsigned int size, rate; spin_lock_irqsave(&chip->lock, flags); chip->p_dma_size = size = snd_pcm_lib_buffer_bytes(substream); snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG, AD1816A_PLAYBACK_ENABLE | AD1816A_PLAYBACK_PIO, 0x00); snd_dma_program(chip->dma1, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT); rate = runtime->rate; if (chip->clock_freq) rate = (rate * 33000) / chip->clock_freq; snd_ad1816a_write(chip, AD1816A_PLAYBACK_SAMPLE_RATE, rate); snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG, AD1816A_FMT_ALL | AD1816A_FMT_STEREO, snd_ad1816a_get_format(chip, runtime->format, runtime->channels)); snd_ad1816a_write(chip, AD1816A_PLAYBACK_BASE_COUNT, snd_pcm_lib_period_bytes(substream) / 4 - 1); spin_unlock_irqrestore(&chip->lock, flags); return 0; }

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static int snd_ad1816a_capture_prepare(struct snd_pcm_substream *substream) { struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); unsigned long flags; struct snd_pcm_runtime *runtime = substream->runtime; unsigned int size, rate; spin_lock_irqsave(&chip->lock, flags); chip->c_dma_size = size = snd_pcm_lib_buffer_bytes(substream); snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG, AD1816A_CAPTURE_ENABLE | AD1816A_CAPTURE_PIO, 0x00); snd_dma_program(chip->dma2, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT); rate = runtime->rate; if (chip->clock_freq) rate = (rate * 33000) / chip->clock_freq; snd_ad1816a_write(chip, AD1816A_CAPTURE_SAMPLE_RATE, rate); snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG, AD1816A_FMT_ALL | AD1816A_FMT_STEREO, snd_ad1816a_get_format(chip, runtime->format, runtime->channels)); snd_ad1816a_write(chip, AD1816A_CAPTURE_BASE_COUNT, snd_pcm_lib_period_bytes(substream) / 4 - 1); spin_unlock_irqrestore(&chip->lock, flags); return 0; }

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static snd_pcm_uframes_t snd_ad1816a_playback_pointer(struct snd_pcm_substream *substream) { struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); size_t ptr; if (!(chip->mode & AD1816A_MODE_PLAYBACK)) return 0; ptr = snd_dma_pointer(chip->dma1, chip->p_dma_size); return bytes_to_frames(substream->runtime, ptr); }

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static snd_pcm_uframes_t snd_ad1816a_capture_pointer(struct snd_pcm_substream *substream) { struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); size_t ptr; if (!(chip->mode & AD1816A_MODE_CAPTURE)) return 0; ptr = snd_dma_pointer(chip->dma2, chip->c_dma_size); return bytes_to_frames(substream->runtime, ptr); }

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static irqreturn_t snd_ad1816a_interrupt(int irq, void *dev_id) { struct snd_ad1816a *chip = dev_id; unsigned char status; spin_lock(&chip->lock); status = snd_ad1816a_in(chip, AD1816A_INTERRUPT_STATUS); spin_unlock(&chip->lock); if ((status & AD1816A_PLAYBACK_IRQ_PENDING) && chip->playback_substream) snd_pcm_period_elapsed(chip->playback_substream); if ((status & AD1816A_CAPTURE_IRQ_PENDING) && chip->capture_substream) snd_pcm_period_elapsed(chip->capture_substream); if ((status & AD1816A_TIMER_IRQ_PENDING) && chip->timer) snd_timer_interrupt(chip->timer, chip->timer->sticks); spin_lock(&chip->lock); snd_ad1816a_out(chip, AD1816A_INTERRUPT_STATUS, 0x00); spin_unlock(&chip->lock); return IRQ_HANDLED; }

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static struct snd_pcm_hardware snd_ad1816a_playback = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_MMAP_VALID), .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE), .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, .rate_min = 4000, .rate_max = 55200, .channels_min = 1, .channels_max = 2, .buffer_bytes_max = (128*1024), .period_bytes_min = 64, .period_bytes_max = (128*1024), .periods_min = 1, .periods_max = 1024, .fifo_size = 0, }; static struct snd_pcm_hardware snd_ad1816a_capture = { .info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_MMAP_VALID), .formats = (SNDRV_PCM_FMTBIT_MU_LAW | SNDRV_PCM_FMTBIT_A_LAW | SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE), .rates = SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000, .rate_min = 4000, .rate_max = 55200, .channels_min = 1, .channels_max = 2, .buffer_bytes_max = (128*1024), .period_bytes_min = 64, .period_bytes_max = (128*1024), .periods_min = 1, .periods_max = 1024, .fifo_size = 0, };
static int snd_ad1816a_timer_close(struct snd_timer *timer) { struct snd_ad1816a *chip = snd_timer_chip(timer); snd_ad1816a_close(chip, AD1816A_MODE_TIMER); return 0; }

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static int snd_ad1816a_timer_open(struct snd_timer *timer) { struct snd_ad1816a *chip = snd_timer_chip(timer); snd_ad1816a_open(chip, AD1816A_MODE_TIMER); return 0; }

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static unsigned long snd_ad1816a_timer_resolution(struct snd_timer *timer) { if (snd_BUG_ON(!timer)) return 0; return 10000; }

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static int snd_ad1816a_timer_start(struct snd_timer *timer) { unsigned short bits; unsigned long flags; struct snd_ad1816a *chip = snd_timer_chip(timer); spin_lock_irqsave(&chip->lock, flags); bits = snd_ad1816a_read(chip, AD1816A_INTERRUPT_ENABLE); if (!(bits & AD1816A_TIMER_ENABLE)) { snd_ad1816a_write(chip, AD1816A_TIMER_BASE_COUNT, timer->sticks & 0xffff); snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, AD1816A_TIMER_ENABLE, 0xffff); } spin_unlock_irqrestore(&chip->lock, flags); return 0; }

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static int snd_ad1816a_timer_stop(struct snd_timer *timer) { unsigned long flags; struct snd_ad1816a *chip = snd_timer_chip(timer); spin_lock_irqsave(&chip->lock, flags); snd_ad1816a_write_mask(chip, AD1816A_INTERRUPT_ENABLE, AD1816A_TIMER_ENABLE, 0x0000); spin_unlock_irqrestore(&chip->lock, flags); return 0; }

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static struct snd_timer_hardware snd_ad1816a_timer_table = { .flags = SNDRV_TIMER_HW_AUTO, .resolution = 10000, .ticks = 65535, .open = snd_ad1816a_timer_open, .close = snd_ad1816a_timer_close, .c_resolution = snd_ad1816a_timer_resolution, .start = snd_ad1816a_timer_start, .stop = snd_ad1816a_timer_stop, };
static int snd_ad1816a_playback_open(struct snd_pcm_substream *substream) { struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; int error; if ((error = snd_ad1816a_open(chip, AD1816A_MODE_PLAYBACK)) < 0) return error; runtime->hw = snd_ad1816a_playback; snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.buffer_bytes_max); snd_pcm_limit_isa_dma_size(chip->dma1, &runtime->hw.period_bytes_max); chip->playback_substream = substream; return 0; }

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static int snd_ad1816a_capture_open(struct snd_pcm_substream *substream) { struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); struct snd_pcm_runtime *runtime = substream->runtime; int error; if ((error = snd_ad1816a_open(chip, AD1816A_MODE_CAPTURE)) < 0) return error; runtime->hw = snd_ad1816a_capture; snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.buffer_bytes_max); snd_pcm_limit_isa_dma_size(chip->dma2, &runtime->hw.period_bytes_max); chip->capture_substream = substream; return 0; }

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static int snd_ad1816a_playback_close(struct snd_pcm_substream *substream) { struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); chip->playback_substream = NULL; snd_ad1816a_close(chip, AD1816A_MODE_PLAYBACK); return 0; }

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static int snd_ad1816a_capture_close(struct snd_pcm_substream *substream) { struct snd_ad1816a *chip = snd_pcm_substream_chip(substream); chip->capture_substream = NULL; snd_ad1816a_close(chip, AD1816A_MODE_CAPTURE); return 0; }

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static void snd_ad1816a_init(struct snd_ad1816a *chip) { unsigned long flags; spin_lock_irqsave(&chip->lock, flags); snd_ad1816a_out(chip, AD1816A_INTERRUPT_STATUS, 0x00); snd_ad1816a_out_mask(chip, AD1816A_PLAYBACK_CONFIG, AD1816A_PLAYBACK_ENABLE | AD1816A_PLAYBACK_PIO, 0x00); snd_ad1816a_out_mask(chip, AD1816A_CAPTURE_CONFIG, AD1816A_CAPTURE_ENABLE | AD1816A_CAPTURE_PIO, 0x00); snd_ad1816a_write(chip, AD1816A_INTERRUPT_ENABLE, 0x0000); snd_ad1816a_write_mask(chip, AD1816A_CHIP_CONFIG, AD1816A_CAPTURE_NOT_EQUAL | AD1816A_WSS_ENABLE, 0xffff); snd_ad1816a_write(chip, AD1816A_DSP_CONFIG, 0x0000); snd_ad1816a_write(chip, AD1816A_POWERDOWN_CTRL, 0x0000); spin_unlock_irqrestore(&chip->lock, flags); }

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#ifdef CONFIG_PM
void snd_ad1816a_suspend(struct snd_ad1816a *chip) { int reg; unsigned long flags; snd_pcm_suspend_all(chip->pcm); spin_lock_irqsave(&chip->lock, flags); for (reg = 0; reg < 48; reg++) chip->image[reg] = snd_ad1816a_read(chip, reg); spin_unlock_irqrestore(&chip->lock, flags); }

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void snd_ad1816a_resume(struct snd_ad1816a *chip) { int reg; unsigned long flags; snd_ad1816a_init(chip); spin_lock_irqsave(&chip->lock, flags); for (reg = 0; reg < 48; reg++) snd_ad1816a_write(chip, reg, chip->image[reg]); spin_unlock_irqrestore(&chip->lock, flags); }

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#endif
static int snd_ad1816a_probe(struct snd_ad1816a *chip) { unsigned long flags; spin_lock_irqsave(&chip->lock, flags); switch (chip->version = snd_ad1816a_read(chip, AD1816A_VERSION_ID)) { case 0: chip->hardware = AD1816A_HW_AD1815; break; case 1: chip->hardware = AD1816A_HW_AD18MAX10; break; case 3: chip->hardware = AD1816A_HW_AD1816A; break; default: chip->hardware = AD1816A_HW_AUTO; } spin_unlock_irqrestore(&chip->lock, flags); return 0; }

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jaroslav kyselajaroslav kysela8897.78%150.00%
takashi iwaitakashi iwai22.22%150.00%
Total90100.00%2100.00%


static int snd_ad1816a_free(struct snd_ad1816a *chip) { release_and_free_resource(chip->res_port); if (chip->irq >= 0) free_irq(chip->irq, (void *) chip); if (chip->dma1 >= 0) { snd_dma_disable(chip->dma1); free_dma(chip->dma1); } if (chip->dma2 >= 0) { snd_dma_disable(chip->dma2); free_dma(chip->dma2); } return 0; }

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jaroslav kyselajaroslav kysela8796.67%133.33%
takashi iwaitakashi iwai33.33%266.67%
Total90100.00%3100.00%


static int snd_ad1816a_dev_free(struct snd_device *device) { struct snd_ad1816a *chip = device->device_data; return snd_ad1816a_free(chip); }

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jaroslav kyselajaroslav kysela2284.62%266.67%
takashi iwaitakashi iwai415.38%133.33%
Total26100.00%3100.00%


static const char *snd_ad1816a_chip_id(struct snd_ad1816a *chip) { switch (chip->hardware) { case AD1816A_HW_AD1816A: return "AD1816A"; case AD1816A_HW_AD1815: return "AD1815"; case AD1816A_HW_AD18MAX10: return "AD18max10"; default: snd_printk(KERN_WARNING "Unknown chip version %d:%d.\n", chip->version, chip->hardware); return "AD1816A - unknown"; } }

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jaroslav kyselajaroslav kysela5494.74%133.33%
takashi iwaitakashi iwai35.26%266.67%
Total57100.00%3100.00%


int snd_ad1816a_create(struct snd_card *card, unsigned long port, int irq, int dma1, int dma2, struct snd_ad1816a *chip) { static struct snd_device_ops ops = { .dev_free = snd_ad1816a_dev_free, }; int error; chip->irq = -1; chip->dma1 = -1; chip->dma2 = -1; if ((chip->res_port = request_region(port, 16, "AD1816A")) == NULL) { snd_printk(KERN_ERR "ad1816a: can't grab port 0x%lx\n", port); snd_ad1816a_free(chip); return -EBUSY; } if (request_irq(irq, snd_ad1816a_interrupt, 0, "AD1816A", (void *) chip)) { snd_printk(KERN_ERR "ad1816a: can't grab IRQ %d\n", irq); snd_ad1816a_free(chip); return -EBUSY; } chip->irq = irq; if (request_dma(dma1, "AD1816A - 1")) { snd_printk(KERN_ERR "ad1816a: can't grab DMA1 %d\n", dma1); snd_ad1816a_free(chip); return -EBUSY; } chip->dma1 = dma1; if (request_dma(dma2, "AD1816A - 2")) { snd_printk(KERN_ERR "ad1816a: can't grab DMA2 %d\n", dma2); snd_ad1816a_free(chip); return -EBUSY; } chip->dma2 = dma2; chip->card = card; chip->port = port; spin_lock_init(&chip->lock); if ((error = snd_ad1816a_probe(chip))) { snd_ad1816a_free(chip); return error; } snd_ad1816a_init(chip); /* Register device */ if ((error = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { snd_ad1816a_free(chip); return error; } return 0; }

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jaroslav kyselajaroslav kysela28697.28%350.00%
takashi iwaitakashi iwai62.04%116.67%
ondrej zaryondrej zary10.34%116.67%
yong zhangyong zhang10.34%116.67%
Total294100.00%6100.00%

static struct snd_pcm_ops snd_ad1816a_playback_ops = { .open = snd_ad1816a_playback_open, .close = snd_ad1816a_playback_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = snd_ad1816a_hw_params, .hw_free = snd_ad1816a_hw_free, .prepare = snd_ad1816a_playback_prepare, .trigger = snd_ad1816a_playback_trigger, .pointer = snd_ad1816a_playback_pointer, }; static struct snd_pcm_ops snd_ad1816a_capture_ops = { .open = snd_ad1816a_capture_open, .close = snd_ad1816a_capture_close, .ioctl = snd_pcm_lib_ioctl, .hw_params = snd_ad1816a_hw_params, .hw_free = snd_ad1816a_hw_free, .prepare = snd_ad1816a_capture_prepare, .trigger = snd_ad1816a_capture_trigger, .pointer = snd_ad1816a_capture_pointer, };
int snd_ad1816a_pcm(struct snd_ad1816a *chip, int device) { int error; struct snd_pcm *pcm; if ((error = snd_pcm_new(chip->card, "AD1816A", device, 1, 1, &pcm))) return error; snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ad1816a_playback_ops); snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ad1816a_capture_ops); pcm->private_data = chip; pcm->info_flags = (chip->dma1 == chip->dma2 ) ? SNDRV_PCM_INFO_JOINT_DUPLEX : 0; strcpy(pcm->name, snd_ad1816a_chip_id(chip)); snd_ad1816a_init(chip); snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, snd_dma_isa_data(), 64*1024, chip->dma1 > 3 || chip->dma2 > 3 ? 128*1024 : 64*1024); chip->pcm = pcm; return 0; }

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jaroslav kyselajaroslav kysela14897.37%375.00%
takashi iwaitakashi iwai42.63%125.00%
Total152100.00%4100.00%


int snd_ad1816a_timer(struct snd_ad1816a *chip, int device) { struct snd_timer *timer; struct snd_timer_id tid; int error; tid.dev_class = SNDRV_TIMER_CLASS_CARD; tid.dev_sclass = SNDRV_TIMER_SCLASS_NONE; tid.card = chip->card->number; tid.device = device; tid.subdevice = 0; if ((error = snd_timer_new(chip->card, "AD1816A", &tid, &timer)) < 0) return error; strcpy(timer->name, snd_ad1816a_chip_id(chip)); timer->private_data = chip; chip->timer = timer; timer->hw = snd_ad1816a_timer_table; return 0; }

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krzysztof heltkrzysztof helt11799.15%150.00%
jaroslav kyselajaroslav kysela10.85%150.00%
Total118100.00%2100.00%

/* * */
static int snd_ad1816a_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { static const char * const texts[8] = { "Line", "Mix", "CD", "Synth", "Video", "Mic", "Phone", }; return snd_ctl_enum_info(uinfo, 2, 7, texts); }

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jaroslav kyselajaroslav kysela4379.63%133.33%
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Total54100.00%3100.00%


static int snd_ad1816a_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; unsigned short val; spin_lock_irqsave(&chip->lock, flags); val = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL); spin_unlock_irqrestore(&chip->lock, flags); ucontrol->value.enumerated.item[0] = (val >> 12) & 7; ucontrol->value.enumerated.item[1] = (val >> 4) & 7; return 0; }

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jaroslav kyselajaroslav kysela9894.23%150.00%
takashi iwaitakashi iwai65.77%150.00%
Total104100.00%2100.00%


static int snd_ad1816a_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; unsigned short val; int change; if (ucontrol->value.enumerated.item[0] > 6 || ucontrol->value.enumerated.item[1] > 6) return -EINVAL; val = (ucontrol->value.enumerated.item[0] << 12) | (ucontrol->value.enumerated.item[1] << 4); spin_lock_irqsave(&chip->lock, flags); change = snd_ad1816a_read(chip, AD1816A_ADC_SOURCE_SEL) != val; snd_ad1816a_write(chip, AD1816A_ADC_SOURCE_SEL, val); spin_unlock_irqrestore(&chip->lock, flags); return change; }

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jaroslav kyselajaroslav kysela13895.83%150.00%
takashi iwaitakashi iwai64.17%150.00%
Total144100.00%2100.00%

#define AD1816A_SINGLE_TLV(xname, reg, shift, mask, invert, xtlv) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ .name = xname, .info = snd_ad1816a_info_single, \ .get = snd_ad1816a_get_single, .put = snd_ad1816a_put_single, \ .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24), \ .tlv = { .p = (xtlv) } } #define AD1816A_SINGLE(xname, reg, shift, mask, invert) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_single, \ .get = snd_ad1816a_get_single, .put = snd_ad1816a_put_single, \ .private_value = reg | (shift << 8) | (mask << 16) | (invert << 24) }
static int snd_ad1816a_info_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { int mask = (kcontrol->private_value >> 16) & 0xff; uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 1; uinfo->value.integer.min = 0; uinfo->value.integer.max = mask; return 0; }

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jaroslav kyselajaroslav kysela6694.29%150.00%
takashi iwaitakashi iwai45.71%150.00%
Total70100.00%2100.00%


static int snd_ad1816a_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int reg = kcontrol->private_value & 0xff; int shift = (kcontrol->private_value >> 8) & 0xff; int mask = (kcontrol->private_value >> 16) & 0xff; int invert = (kcontrol->private_value >> 24) & 0xff; spin_lock_irqsave(&chip->lock, flags); ucontrol->value.integer.value[0] = (snd_ad1816a_read(chip, reg) >> shift) & mask; spin_unlock_irqrestore(&chip->lock, flags); if (invert) ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; return 0; }

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jaroslav kyselajaroslav kysela14796.08%150.00%
takashi iwaitakashi iwai63.92%150.00%
Total153100.00%2100.00%


static int snd_ad1816a_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int reg = kcontrol->private_value & 0xff; int shift = (kcontrol->private_value >> 8) & 0xff; int mask = (kcontrol->private_value >> 16) & 0xff; int invert = (kcontrol->private_value >> 24) & 0xff; int change; unsigned short old_val, val; val = (ucontrol->value.integer.value[0] & mask); if (invert) val = mask - val; val <<= shift; spin_lock_irqsave(&chip->lock, flags); old_val = snd_ad1816a_read(chip, reg); val = (old_val & ~(mask << shift)) | val; change = val != old_val; snd_ad1816a_write(chip, reg, val); spin_unlock_irqrestore(&chip->lock, flags); return change; }

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jaroslav kyselajaroslav kysela17496.67%150.00%
takashi iwaitakashi iwai63.33%150.00%
Total180100.00%2100.00%

#define AD1816A_DOUBLE_TLV(xname, reg, shift_left, shift_right, mask, invert, xtlv) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \ .name = xname, .info = snd_ad1816a_info_double, \ .get = snd_ad1816a_get_double, .put = snd_ad1816a_put_double, \ .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24), \ .tlv = { .p = (xtlv) } } #define AD1816A_DOUBLE(xname, reg, shift_left, shift_right, mask, invert) \ { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .info = snd_ad1816a_info_double, \ .get = snd_ad1816a_get_double, .put = snd_ad1816a_put_double, \ .private_value = reg | (shift_left << 8) | (shift_right << 12) | (mask << 16) | (invert << 24) }
static int snd_ad1816a_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { int mask = (kcontrol->private_value >> 16) & 0xff; uinfo->type = mask == 1 ? SNDRV_CTL_ELEM_TYPE_BOOLEAN : SNDRV_CTL_ELEM_TYPE_INTEGER; uinfo->count = 2; uinfo->value.integer.min = 0; uinfo->value.integer.max = mask; return 0; }

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jaroslav kyselajaroslav kysela6694.29%150.00%
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static int snd_ad1816a_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int reg = kcontrol->private_value & 0xff; int shift_left = (kcontrol->private_value >> 8) & 0x0f; int shift_right = (kcontrol->private_value >> 12) & 0x0f; int mask = (kcontrol->private_value >> 16) & 0xff; int invert = (kcontrol->private_value >> 24) & 0xff; unsigned short val; spin_lock_irqsave(&chip->lock, flags); val = snd_ad1816a_read(chip, reg); ucontrol->value.integer.value[0] = (val >> shift_left) & mask; ucontrol->value.integer.value[1] = (val >> shift_right) & mask; spin_unlock_irqrestore(&chip->lock, flags); if (invert) { ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; ucontrol->value.integer.value[1] = mask - ucontrol->value.integer.value[1]; } return 0; }

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jaroslav kyselajaroslav kysela21397.26%150.00%
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Total219100.00%2100.00%


static int snd_ad1816a_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct snd_ad1816a *chip = snd_kcontrol_chip(kcontrol); unsigned long flags; int reg = kcontrol->private_value & 0xff; int shift_left = (kcontrol->private_value >> 8) & 0x0f; int shift_right = (kcontrol->private_value >> 12) & 0x0f; int mask = (kcontrol->private_value >> 16) & 0xff; int invert = (kcontrol->private_value >> 24) & 0xff; int change; unsigned short old_val, val1, val2; val1 = ucontrol->value.integer.value[0] & mask; val2 = ucontrol->value.integer.value[1] & mask; if (invert) { val1 = mask - val1; val2 = mask - val2; } val1 <<= shift_left; val2 <<= shift_right; spin_lock_irqsave(&chip->lock, flags); old_val = snd_ad1816a_read(chip, reg); val1 = (old_val & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2; change = val1 != old_val; snd_ad1816a_write(chip, reg, val1); spin_unlock_irqrestore(&chip->lock, flags); return change; }

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jaroslav kyselajaroslav kysela22497.39%150.00%
takashi iwaitakashi iwai62.61%150.00%
Total230100.00%2100.00%

static const DECLARE_TLV_DB_SCALE(db_scale_4bit, -4500, 300, 0); static const DECLARE_TLV_DB_SCALE(db_scale_5bit, -4650, 150, 0); static const DECLARE_TLV_DB_SCALE(db_scale_6bit, -9450, 150, 0); static const DECLARE_TLV_DB_SCALE(db_scale_5bit_12db_max, -3450, 150, 0); static const DECLARE_TLV_DB_SCALE(db_scale_rec_gain, 0, 150, 0); static struct snd_kcontrol_new snd_ad1816a_controls[] = { AD1816A_DOUBLE("Master Playback Switch", AD1816A_MASTER_ATT, 15, 7, 1, 1), AD1816A_DOUBLE_TLV("Master Playback Volume", AD1816A_MASTER_ATT, 8, 0, 31, 1, db_scale_5bit), AD1816A_DOUBLE("PCM Playback Switch", AD1816A_VOICE_ATT, 15, 7, 1, 1), AD1816A_DOUBLE_TLV("PCM Playback Volume", AD1816A_VOICE_ATT, 8, 0, 63, 1, db_scale_6bit), AD1816A_DOUBLE("Line Playback Switch", AD1816A_LINE_GAIN_ATT, 15, 7, 1, 1), AD1816A_DOUBLE_TLV("Line Playback Volume", AD1816A_LINE_GAIN_ATT, 8, 0, 31, 1, db_scale_5bit_12db_max), AD1816A_DOUBLE("CD Playback Switch", AD1816A_CD_GAIN_ATT, 15, 7, 1, 1), AD1816A_DOUBLE_TLV("CD Playback Volume", AD1816A_CD_GAIN_ATT, 8, 0, 31, 1, db_scale_5bit_12db_max), AD1816A_DOUBLE("Synth Playback Switch", AD1816A_SYNTH_GAIN_ATT, 15, 7, 1, 1), AD1816A_DOUBLE_TLV("Synth Playback Volume", AD1816A_SYNTH_GAIN_ATT, 8, 0, 31, 1, db_scale_5bit_12db_max), AD1816A_DOUBLE("FM Playback Switch", AD1816A_FM_ATT, 15, 7, 1, 1), AD1816A_DOUBLE_TLV("FM Playback Volume", AD1816A_FM_ATT, 8, 0, 63, 1, db_scale_6bit), AD1816A_SINGLE("Mic Playback Switch", AD1816A_MIC_GAIN_ATT, 15, 1, 1), AD1816A_SINGLE_TLV("Mic Playback Volume", AD1816A_MIC_GAIN_ATT, 8, 31, 1, db_scale_5bit_12db_max), AD1816A_SINGLE("Mic Boost", AD1816A_MIC_GAIN_ATT, 14, 1, 0), AD1816A_DOUBLE("Video Playback Switch", AD1816A_VID_GAIN_ATT, 15, 7, 1, 1), AD1816A_DOUBLE_TLV("Video Playback Volume", AD1816A_VID_GAIN_ATT, 8, 0, 31, 1, db_scale_5bit_12db_max), AD1816A_SINGLE("Phone Capture Switch", AD1816A_PHONE_IN_GAIN_ATT, 15, 1, 1), AD1816A_SINGLE_TLV("Phone Capture Volume", AD1816A_PHONE_IN_GAIN_ATT, 0, 15, 1, db_scale_4bit), AD1816A_SINGLE("Phone Playback Switch", AD1816A_PHONE_OUT_ATT, 7, 1, 1), AD1816A_SINGLE_TLV("Phone Playback Volume", AD1816A_PHONE_OUT_ATT, 0, 31, 1, db_scale_5bit), { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Capture Source", .info = snd_ad1816a_info_mux, .get = snd_ad1816a_get_mux, .put = snd_ad1816a_put_mux, }, AD1816A_DOUBLE("Capture Switch", AD1816A_ADC_PGA, 15, 7, 1, 1), AD1816A_DOUBLE_TLV("Capture Volume", AD1816A_ADC_PGA, 8, 0, 15, 0, db_scale_rec_gain), AD1816A_SINGLE("3D Control - Switch", AD1816A_3D_PHAT_CTRL, 15, 1, 1), AD1816A_SINGLE("3D Control - Level", AD1816A_3D_PHAT_CTRL, 0, 15, 0), };
int snd_ad1816a_mixer(struct snd_ad1816a *chip) { struct snd_card *card; unsigned int idx; int err; if (snd_BUG_ON(!chip || !chip->card)) return -EINVAL; card = chip->card; strcpy(card->mixername, snd_ad1816a_chip_id(chip)); for (idx = 0; idx < ARRAY_SIZE(snd_ad1816a_controls); idx++) { if ((err = snd_ctl_add(card, snd_ctl_new1(&snd_ad1816a_controls[idx], chip))) < 0) return err; } return 0; }

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jaroslav kyselajaroslav kysela8681.90%360.00%
takashi iwaitakashi iwai1918.10%240.00%
Total105100.00%5100.00%


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jaroslav kyselajaroslav kysela443582.16%1242.86%
krzysztof heltkrzysztof helt4067.52%13.57%
takashi iwaitakashi iwai3867.15%932.14%
ondrej zaryondrej zary1462.70%27.14%
ken arromdeeken arromdee120.22%13.57%
arnaldo carvalho de meloarnaldo carvalho de melo80.15%13.57%
andrew mortonandrew morton40.07%13.57%
yong zhangyong zhang10.02%13.57%
bill pembertonbill pemberton0.00%00.00%
Total5398100.00%28100.00%
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