diff options
Diffstat (limited to 'sound/isa/ad1816a/ad1816a_lib.c')
| -rw-r--r-- | sound/isa/ad1816a/ad1816a_lib.c | 981 |
1 files changed, 981 insertions, 0 deletions
diff --git a/sound/isa/ad1816a/ad1816a_lib.c b/sound/isa/ad1816a/ad1816a_lib.c new file mode 100644 index 000000000..fba6d22f7 --- /dev/null +++ b/sound/isa/ad1816a/ad1816a_lib.c @@ -0,0 +1,981 @@ +/* + 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; +} + +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; + + 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); +} + +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, + snd_dma_isa_data(), + 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; +} |