| // SPDX-License-Identifier: GPL-2.0-or-later |
| /* |
| ad1816a.c - lowlevel code for Analog Devices AD1816A chip. |
| Copyright (C) 1999-2000 by Massimo Piccioni <dafastidio@libero.it> |
| |
| */ |
| |
| #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; |
| } |
| |
| static inline unsigned char snd_ad1816a_in(struct snd_ad1816a *chip, unsigned char reg) |
| { |
| snd_ad1816a_busy_wait(chip); |
| return inb(AD1816A_REG(reg)); |
| } |
| |
| 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)); |
| } |
| |
| 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)); |
| } |
| |
| 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); |
| } |
| |
| 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); |
| } |
| |
| 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)); |
| } |
| |
| |
| static unsigned char snd_ad1816a_get_format(struct snd_ad1816a *chip, |
| snd_pcm_format_t 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; |
| } |
| |
| 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; |
| } |
| |
| 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); |
| } |
| |
| |
| 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; |
| } |
| |
| 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); |
| } |
| |
| 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); |
| } |
| |
| 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)); |
| } |
| |
| static int snd_ad1816a_hw_free(struct snd_pcm_substream *substream) |
| { |
| return snd_pcm_lib_free_pages(substream); |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| |
| 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); |
| } |
| |
| 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); |
| } |
| |
| |
| 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; |
| } |
| |
| |
| static const 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 const 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; |
| } |
| |
| 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; |
| } |
| |
| static unsigned long snd_ad1816a_timer_resolution(struct snd_timer *timer) |
| { |
| if (snd_BUG_ON(!timer)) |
| return 0; |
| |
| return 10000; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| |
| 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); |
| } |
| |
| #ifdef CONFIG_PM |
| void snd_ad1816a_suspend(struct snd_ad1816a *chip) |
| { |
| int reg; |
| unsigned long flags; |
| |
| 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); |
| } |
| |
| 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); |
| } |
| #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; |
| } |
| |
| 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; |
| } |
| |
| static int snd_ad1816a_dev_free(struct snd_device *device) |
| { |
| struct snd_ad1816a *chip = device->device_data; |
| return snd_ad1816a_free(chip); |
| } |
| |
| 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"; |
| } |
| } |
| |
| 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; |
| } |
| |
| static const 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 const 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, |
| chip->card->dev, |
| 64*1024, chip->dma1 > 3 || chip->dma2 > 3 ? 128*1024 : 64*1024); |
| |
| chip->pcm = pcm; |
| return 0; |
| } |
| |
| 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; |
| } |
| |
| /* |
| * |
| */ |
| |
| 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); |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| #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; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| #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; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |
| |
| 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; |
| } |