diff options
Diffstat (limited to 'sound/isa/ad1848/ad1848_lib.c')
| -rw-r--r-- | sound/isa/ad1848/ad1848_lib.c | 1267 |
1 files changed, 0 insertions, 1267 deletions
diff --git a/sound/isa/ad1848/ad1848_lib.c b/sound/isa/ad1848/ad1848_lib.c deleted file mode 100644 index 630c90f9ee50..000000000000 --- a/sound/isa/ad1848/ad1848_lib.c +++ /dev/null @@ -1,1267 +0,0 @@ -/* - * Copyright (c) by Jaroslav Kysela <perex@perex.cz> - * Routines for control of AD1848/AD1847/CS4248 - * - * - * 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 - * - */ - -#define SNDRV_MAIN_OBJECT_FILE -#include <linux/delay.h> -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/slab.h> -#include <linux/ioport.h> -#include <sound/core.h> -#include <sound/ad1848.h> -#include <sound/control.h> -#include <sound/tlv.h> -#include <sound/pcm_params.h> - -#include <asm/io.h> -#include <asm/dma.h> - -MODULE_AUTHOR("Jaroslav Kysela <perex@perex.cz>"); -MODULE_DESCRIPTION("Routines for control of AD1848/AD1847/CS4248"); -MODULE_LICENSE("GPL"); - -#if 0 -#define SNDRV_DEBUG_MCE -#endif - -/* - * Some variables - */ - -static unsigned char freq_bits[14] = { - /* 5510 */ 0x00 | AD1848_XTAL2, - /* 6620 */ 0x0E | AD1848_XTAL2, - /* 8000 */ 0x00 | AD1848_XTAL1, - /* 9600 */ 0x0E | AD1848_XTAL1, - /* 11025 */ 0x02 | AD1848_XTAL2, - /* 16000 */ 0x02 | AD1848_XTAL1, - /* 18900 */ 0x04 | AD1848_XTAL2, - /* 22050 */ 0x06 | AD1848_XTAL2, - /* 27042 */ 0x04 | AD1848_XTAL1, - /* 32000 */ 0x06 | AD1848_XTAL1, - /* 33075 */ 0x0C | AD1848_XTAL2, - /* 37800 */ 0x08 | AD1848_XTAL2, - /* 44100 */ 0x0A | AD1848_XTAL2, - /* 48000 */ 0x0C | AD1848_XTAL1 -}; - -static unsigned int rates[14] = { - 5510, 6620, 8000, 9600, 11025, 16000, 18900, 22050, - 27042, 32000, 33075, 37800, 44100, 48000 -}; - -static struct snd_pcm_hw_constraint_list hw_constraints_rates = { - .count = ARRAY_SIZE(rates), - .list = rates, - .mask = 0, -}; - -static unsigned char snd_ad1848_original_image[16] = -{ - 0x00, /* 00 - lic */ - 0x00, /* 01 - ric */ - 0x9f, /* 02 - la1ic */ - 0x9f, /* 03 - ra1ic */ - 0x9f, /* 04 - la2ic */ - 0x9f, /* 05 - ra2ic */ - 0xbf, /* 06 - loc */ - 0xbf, /* 07 - roc */ - 0x20, /* 08 - dfr */ - AD1848_AUTOCALIB, /* 09 - ic */ - 0x00, /* 0a - pc */ - 0x00, /* 0b - ti */ - 0x00, /* 0c - mi */ - 0x00, /* 0d - lbc */ - 0x00, /* 0e - dru */ - 0x00, /* 0f - drl */ -}; - -/* - * Basic I/O functions - */ - -static void snd_ad1848_wait(struct snd_ad1848 *chip) -{ - int timeout; - - for (timeout = 250; timeout > 0; timeout--) { - if ((inb(AD1848P(chip, REGSEL)) & AD1848_INIT) == 0) - break; - udelay(100); - } -} - -void snd_ad1848_out(struct snd_ad1848 *chip, - unsigned char reg, - unsigned char value) -{ - snd_ad1848_wait(chip); -#ifdef CONFIG_SND_DEBUG - if (inb(AD1848P(chip, REGSEL)) & AD1848_INIT) - snd_printk(KERN_WARNING "auto calibration time out - " - "reg = 0x%x, value = 0x%x\n", reg, value); -#endif - outb(chip->mce_bit | reg, AD1848P(chip, REGSEL)); - outb(chip->image[reg] = value, AD1848P(chip, REG)); - mb(); - snd_printdd("codec out - reg 0x%x = 0x%x\n", - chip->mce_bit | reg, value); -} - -EXPORT_SYMBOL(snd_ad1848_out); - -static void snd_ad1848_dout(struct snd_ad1848 *chip, - unsigned char reg, unsigned char value) -{ - snd_ad1848_wait(chip); - outb(chip->mce_bit | reg, AD1848P(chip, REGSEL)); - outb(value, AD1848P(chip, REG)); - mb(); -} - -static unsigned char snd_ad1848_in(struct snd_ad1848 *chip, unsigned char reg) -{ - snd_ad1848_wait(chip); -#ifdef CONFIG_SND_DEBUG - if (inb(AD1848P(chip, REGSEL)) & AD1848_INIT) - snd_printk(KERN_WARNING "auto calibration time out - " - "reg = 0x%x\n", reg); -#endif - outb(chip->mce_bit | reg, AD1848P(chip, REGSEL)); - mb(); - return inb(AD1848P(chip, REG)); -} - -#if 0 - -static void snd_ad1848_debug(struct snd_ad1848 *chip) -{ - printk("AD1848 REGS: INDEX = 0x%02x ", inb(AD1848P(chip, REGSEL))); - printk(" STATUS = 0x%02x\n", inb(AD1848P(chip, STATUS))); - printk(" 0x00: left input = 0x%02x ", snd_ad1848_in(chip, 0x00)); - printk(" 0x08: playback format = 0x%02x\n", snd_ad1848_in(chip, 0x08)); - printk(" 0x01: right input = 0x%02x ", snd_ad1848_in(chip, 0x01)); - printk(" 0x09: iface (CFIG 1) = 0x%02x\n", snd_ad1848_in(chip, 0x09)); - printk(" 0x02: AUXA left = 0x%02x ", snd_ad1848_in(chip, 0x02)); - printk(" 0x0a: pin control = 0x%02x\n", snd_ad1848_in(chip, 0x0a)); - printk(" 0x03: AUXA right = 0x%02x ", snd_ad1848_in(chip, 0x03)); - printk(" 0x0b: init & status = 0x%02x\n", snd_ad1848_in(chip, 0x0b)); - printk(" 0x04: AUXB left = 0x%02x ", snd_ad1848_in(chip, 0x04)); - printk(" 0x0c: revision & mode = 0x%02x\n", snd_ad1848_in(chip, 0x0c)); - printk(" 0x05: AUXB right = 0x%02x ", snd_ad1848_in(chip, 0x05)); - printk(" 0x0d: loopback = 0x%02x\n", snd_ad1848_in(chip, 0x0d)); - printk(" 0x06: left output = 0x%02x ", snd_ad1848_in(chip, 0x06)); - printk(" 0x0e: data upr count = 0x%02x\n", snd_ad1848_in(chip, 0x0e)); - printk(" 0x07: right output = 0x%02x ", snd_ad1848_in(chip, 0x07)); - printk(" 0x0f: data lwr count = 0x%02x\n", snd_ad1848_in(chip, 0x0f)); -} - -#endif - -/* - * AD1848 detection / MCE routines - */ - -static void snd_ad1848_mce_up(struct snd_ad1848 *chip) -{ - unsigned long flags; - int timeout; - - snd_ad1848_wait(chip); -#ifdef CONFIG_SND_DEBUG - if (inb(AD1848P(chip, REGSEL)) & AD1848_INIT) - snd_printk(KERN_WARNING "mce_up - auto calibration time out (0)\n"); -#endif - spin_lock_irqsave(&chip->reg_lock, flags); - chip->mce_bit |= AD1848_MCE; - timeout = inb(AD1848P(chip, REGSEL)); - if (timeout == 0x80) - snd_printk(KERN_WARNING "mce_up [0x%lx]: serious init problem - codec still busy\n", chip->port); - if (!(timeout & AD1848_MCE)) - outb(chip->mce_bit | (timeout & 0x1f), AD1848P(chip, REGSEL)); - spin_unlock_irqrestore(&chip->reg_lock, flags); -} - -static void snd_ad1848_mce_down(struct snd_ad1848 *chip) -{ - unsigned long flags, timeout; - int reg; - - spin_lock_irqsave(&chip->reg_lock, flags); - for (timeout = 5; timeout > 0; timeout--) - inb(AD1848P(chip, REGSEL)); - /* end of cleanup sequence */ - for (timeout = 12000; timeout > 0 && (inb(AD1848P(chip, REGSEL)) & AD1848_INIT); timeout--) - udelay(100); - - snd_printdd("(1) timeout = %ld\n", timeout); - -#ifdef CONFIG_SND_DEBUG - if (inb(AD1848P(chip, REGSEL)) & AD1848_INIT) - snd_printk(KERN_WARNING "mce_down [0x%lx] - auto calibration time out (0)\n", AD1848P(chip, REGSEL)); -#endif - - chip->mce_bit &= ~AD1848_MCE; - reg = inb(AD1848P(chip, REGSEL)); - outb(chip->mce_bit | (reg & 0x1f), AD1848P(chip, REGSEL)); - if (reg == 0x80) - snd_printk(KERN_WARNING "mce_down [0x%lx]: serious init problem - codec still busy\n", chip->port); - if ((reg & AD1848_MCE) == 0) { - spin_unlock_irqrestore(&chip->reg_lock, flags); - return; - } - - /* - * Wait for auto-calibration (AC) process to finish, i.e. ACI to go low. - * It may take up to 5 sample periods (at most 907 us @ 5.5125 kHz) for - * the process to _start_, so it is important to wait at least that long - * before checking. Otherwise we might think AC has finished when it - * has in fact not begun. It could take 128 (no AC) or 384 (AC) cycles - * for ACI to drop. This gives a wait of at most 70 ms with a more - * typical value of 3-9 ms. - */ - timeout = jiffies + msecs_to_jiffies(250); - do { - spin_unlock_irqrestore(&chip->reg_lock, flags); - msleep(1); - spin_lock_irqsave(&chip->reg_lock, flags); - reg = snd_ad1848_in(chip, AD1848_TEST_INIT) & - AD1848_CALIB_IN_PROGRESS; - } while (reg && time_before(jiffies, timeout)); - spin_unlock_irqrestore(&chip->reg_lock, flags); - if (reg) - snd_printk(KERN_ERR - "mce_down - auto calibration time out (2)\n"); - - snd_printdd("(4) jiffies = %lu\n", jiffies); - snd_printd("mce_down - exit = 0x%x\n", inb(AD1848P(chip, REGSEL))); -} - -static unsigned int snd_ad1848_get_count(unsigned char format, - unsigned int size) -{ - switch (format & 0xe0) { - case AD1848_LINEAR_16: - size >>= 1; - break; - } - if (format & AD1848_STEREO) - size >>= 1; - return size; -} - -static int snd_ad1848_trigger(struct snd_ad1848 *chip, unsigned char what, - int channel, int cmd) -{ - int result = 0; - -#if 0 - printk("codec trigger!!! - what = %i, enable = %i, status = 0x%x\n", what, enable, inb(AD1848P(card, STATUS))); -#endif - spin_lock(&chip->reg_lock); - if (cmd == SNDRV_PCM_TRIGGER_START) { - if (chip->image[AD1848_IFACE_CTRL] & what) { - spin_unlock(&chip->reg_lock); - return 0; - } - snd_ad1848_out(chip, AD1848_IFACE_CTRL, chip->image[AD1848_IFACE_CTRL] |= what); - chip->mode |= AD1848_MODE_RUNNING; - } else if (cmd == SNDRV_PCM_TRIGGER_STOP) { - if (!(chip->image[AD1848_IFACE_CTRL] & what)) { - spin_unlock(&chip->reg_lock); - return 0; - } - snd_ad1848_out(chip, AD1848_IFACE_CTRL, chip->image[AD1848_IFACE_CTRL] &= ~what); - chip->mode &= ~AD1848_MODE_RUNNING; - } else { - result = -EINVAL; - } - spin_unlock(&chip->reg_lock); - return result; -} - -/* - * CODEC I/O - */ - -static unsigned char snd_ad1848_get_rate(unsigned int rate) -{ - int i; - - for (i = 0; i < ARRAY_SIZE(rates); i++) - if (rate == rates[i]) - return freq_bits[i]; - snd_BUG(); - return freq_bits[ARRAY_SIZE(rates) - 1]; -} - -static int snd_ad1848_ioctl(struct snd_pcm_substream *substream, - unsigned int cmd, void *arg) -{ - return snd_pcm_lib_ioctl(substream, cmd, arg); -} - -static unsigned char snd_ad1848_get_format(int format, int channels) -{ - unsigned char rformat; - - rformat = AD1848_LINEAR_8; - switch (format) { - case SNDRV_PCM_FORMAT_A_LAW: rformat = AD1848_ALAW_8; break; - case SNDRV_PCM_FORMAT_MU_LAW: rformat = AD1848_ULAW_8; break; - case SNDRV_PCM_FORMAT_S16_LE: rformat = AD1848_LINEAR_16; break; - } - if (channels > 1) - rformat |= AD1848_STEREO; -#if 0 - snd_printk("get_format: 0x%x (mode=0x%x)\n", format, mode); -#endif - return rformat; -} - -static void snd_ad1848_calibrate_mute(struct snd_ad1848 *chip, int mute) -{ - unsigned long flags; - - mute = mute ? 1 : 0; - spin_lock_irqsave(&chip->reg_lock, flags); - if (chip->calibrate_mute == mute) { - spin_unlock_irqrestore(&chip->reg_lock, flags); - return; - } - if (!mute) { - snd_ad1848_dout(chip, AD1848_LEFT_INPUT, chip->image[AD1848_LEFT_INPUT]); - snd_ad1848_dout(chip, AD1848_RIGHT_INPUT, chip->image[AD1848_RIGHT_INPUT]); - } - snd_ad1848_dout(chip, AD1848_AUX1_LEFT_INPUT, mute ? 0x80 : chip->image[AD1848_AUX1_LEFT_INPUT]); - snd_ad1848_dout(chip, AD1848_AUX1_RIGHT_INPUT, mute ? 0x80 : chip->image[AD1848_AUX1_RIGHT_INPUT]); - snd_ad1848_dout(chip, AD1848_AUX2_LEFT_INPUT, mute ? 0x80 : chip->image[AD1848_AUX2_LEFT_INPUT]); - snd_ad1848_dout(chip, AD1848_AUX2_RIGHT_INPUT, mute ? 0x80 : chip->image[AD1848_AUX2_RIGHT_INPUT]); - snd_ad1848_dout(chip, AD1848_LEFT_OUTPUT, mute ? 0x80 : chip->image[AD1848_LEFT_OUTPUT]); - snd_ad1848_dout(chip, AD1848_RIGHT_OUTPUT, mute ? 0x80 : chip->image[AD1848_RIGHT_OUTPUT]); - chip->calibrate_mute = mute; - spin_unlock_irqrestore(&chip->reg_lock, flags); -} - -static void snd_ad1848_set_data_format(struct snd_ad1848 *chip, struct snd_pcm_hw_params *hw_params) -{ - if (hw_params == NULL) { - chip->image[AD1848_DATA_FORMAT] = 0x20; - } else { - chip->image[AD1848_DATA_FORMAT] = - snd_ad1848_get_format(params_format(hw_params), params_channels(hw_params)) | - snd_ad1848_get_rate(params_rate(hw_params)); - } - // snd_printk(">>> pmode = 0x%x, dfr = 0x%x\n", pstr->mode, chip->image[AD1848_DATA_FORMAT]); -} - -static int snd_ad1848_open(struct snd_ad1848 *chip, unsigned int mode) -{ - unsigned long flags; - - if (chip->mode & AD1848_MODE_OPEN) - return -EAGAIN; - - snd_ad1848_mce_down(chip); - -#ifdef SNDRV_DEBUG_MCE - snd_printk("open: (1)\n"); -#endif - snd_ad1848_mce_up(chip); - spin_lock_irqsave(&chip->reg_lock, flags); - chip->image[AD1848_IFACE_CTRL] &= ~(AD1848_PLAYBACK_ENABLE | AD1848_PLAYBACK_PIO | - AD1848_CAPTURE_ENABLE | AD1848_CAPTURE_PIO | - AD1848_CALIB_MODE); - chip->image[AD1848_IFACE_CTRL] |= AD1848_AUTOCALIB; - snd_ad1848_out(chip, AD1848_IFACE_CTRL, chip->image[AD1848_IFACE_CTRL]); - spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_ad1848_mce_down(chip); - -#ifdef SNDRV_DEBUG_MCE - snd_printk("open: (2)\n"); -#endif - - snd_ad1848_set_data_format(chip, NULL); - - snd_ad1848_mce_up(chip); - spin_lock_irqsave(&chip->reg_lock, flags); - snd_ad1848_out(chip, AD1848_DATA_FORMAT, chip->image[AD1848_DATA_FORMAT]); - spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_ad1848_mce_down(chip); - -#ifdef SNDRV_DEBUG_MCE - snd_printk("open: (3)\n"); -#endif - - /* ok. now enable and ack CODEC IRQ */ - spin_lock_irqsave(&chip->reg_lock, flags); - outb(0, AD1848P(chip, STATUS)); /* clear IRQ */ - outb(0, AD1848P(chip, STATUS)); /* clear IRQ */ - chip->image[AD1848_PIN_CTRL] |= AD1848_IRQ_ENABLE; - snd_ad1848_out(chip, AD1848_PIN_CTRL, chip->image[AD1848_PIN_CTRL]); - spin_unlock_irqrestore(&chip->reg_lock, flags); - - chip->mode = mode; - - return 0; -} - -static void snd_ad1848_close(struct snd_ad1848 *chip) -{ - unsigned long flags; - - if (!chip->mode) - return; - /* disable IRQ */ - spin_lock_irqsave(&chip->reg_lock, flags); - outb(0, AD1848P(chip, STATUS)); /* clear IRQ */ - outb(0, AD1848P(chip, STATUS)); /* clear IRQ */ - chip->image[AD1848_PIN_CTRL] &= ~AD1848_IRQ_ENABLE; - snd_ad1848_out(chip, AD1848_PIN_CTRL, chip->image[AD1848_PIN_CTRL]); - spin_unlock_irqrestore(&chip->reg_lock, flags); - - /* now disable capture & playback */ - - snd_ad1848_mce_up(chip); - spin_lock_irqsave(&chip->reg_lock, flags); - chip->image[AD1848_IFACE_CTRL] &= ~(AD1848_PLAYBACK_ENABLE | AD1848_PLAYBACK_PIO | - AD1848_CAPTURE_ENABLE | AD1848_CAPTURE_PIO); - snd_ad1848_out(chip, AD1848_IFACE_CTRL, chip->image[AD1848_IFACE_CTRL]); - spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_ad1848_mce_down(chip); - - /* clear IRQ again */ - spin_lock_irqsave(&chip->reg_lock, flags); - outb(0, AD1848P(chip, STATUS)); /* clear IRQ */ - outb(0, AD1848P(chip, STATUS)); /* clear IRQ */ - spin_unlock_irqrestore(&chip->reg_lock, flags); - - chip->mode = 0; -} - -/* - * ok.. exported functions.. - */ - -static int snd_ad1848_playback_trigger(struct snd_pcm_substream *substream, - int cmd) -{ - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); - return snd_ad1848_trigger(chip, AD1848_PLAYBACK_ENABLE, SNDRV_PCM_STREAM_PLAYBACK, cmd); -} - -static int snd_ad1848_capture_trigger(struct snd_pcm_substream *substream, - int cmd) -{ - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); - return snd_ad1848_trigger(chip, AD1848_CAPTURE_ENABLE, SNDRV_PCM_STREAM_CAPTURE, cmd); -} - -static int snd_ad1848_playback_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) -{ - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); - unsigned long flags; - int err; - - if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) - return err; - snd_ad1848_calibrate_mute(chip, 1); - snd_ad1848_set_data_format(chip, hw_params); - snd_ad1848_mce_up(chip); - spin_lock_irqsave(&chip->reg_lock, flags); - snd_ad1848_out(chip, AD1848_DATA_FORMAT, chip->image[AD1848_DATA_FORMAT]); - spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_ad1848_mce_down(chip); - snd_ad1848_calibrate_mute(chip, 0); - return 0; -} - -static int snd_ad1848_playback_hw_free(struct snd_pcm_substream *substream) -{ - return snd_pcm_lib_free_pages(substream); -} - -static int snd_ad1848_playback_prepare(struct snd_pcm_substream *substream) -{ - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - unsigned long flags; - unsigned int size = snd_pcm_lib_buffer_bytes(substream); - unsigned int count = snd_pcm_lib_period_bytes(substream); - - chip->dma_size = size; - chip->image[AD1848_IFACE_CTRL] &= ~(AD1848_PLAYBACK_ENABLE | AD1848_PLAYBACK_PIO); - snd_dma_program(chip->dma, runtime->dma_addr, size, DMA_MODE_WRITE | DMA_AUTOINIT); - count = snd_ad1848_get_count(chip->image[AD1848_DATA_FORMAT], count) - 1; - spin_lock_irqsave(&chip->reg_lock, flags); - snd_ad1848_out(chip, AD1848_DATA_LWR_CNT, (unsigned char) count); - snd_ad1848_out(chip, AD1848_DATA_UPR_CNT, (unsigned char) (count >> 8)); - spin_unlock_irqrestore(&chip->reg_lock, flags); - return 0; -} - -static int snd_ad1848_capture_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) -{ - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); - unsigned long flags; - int err; - - if ((err = snd_pcm_lib_malloc_pages(substream, params_buffer_bytes(hw_params))) < 0) - return err; - snd_ad1848_calibrate_mute(chip, 1); - snd_ad1848_set_data_format(chip, hw_params); - snd_ad1848_mce_up(chip); - spin_lock_irqsave(&chip->reg_lock, flags); - snd_ad1848_out(chip, AD1848_DATA_FORMAT, chip->image[AD1848_DATA_FORMAT]); - spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_ad1848_mce_down(chip); - snd_ad1848_calibrate_mute(chip, 0); - return 0; -} - -static int snd_ad1848_capture_hw_free(struct snd_pcm_substream *substream) -{ - return snd_pcm_lib_free_pages(substream); -} - -static int snd_ad1848_capture_prepare(struct snd_pcm_substream *substream) -{ - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - unsigned long flags; - unsigned int size = snd_pcm_lib_buffer_bytes(substream); - unsigned int count = snd_pcm_lib_period_bytes(substream); - - chip->dma_size = size; - chip->image[AD1848_IFACE_CTRL] &= ~(AD1848_CAPTURE_ENABLE | AD1848_CAPTURE_PIO); - snd_dma_program(chip->dma, runtime->dma_addr, size, DMA_MODE_READ | DMA_AUTOINIT); - count = snd_ad1848_get_count(chip->image[AD1848_DATA_FORMAT], count) - 1; - spin_lock_irqsave(&chip->reg_lock, flags); - snd_ad1848_out(chip, AD1848_DATA_LWR_CNT, (unsigned char) count); - snd_ad1848_out(chip, AD1848_DATA_UPR_CNT, (unsigned char) (count >> 8)); - spin_unlock_irqrestore(&chip->reg_lock, flags); - return 0; -} - -static irqreturn_t snd_ad1848_interrupt(int irq, void *dev_id) -{ - struct snd_ad1848 *chip = dev_id; - - if ((chip->mode & AD1848_MODE_PLAY) && chip->playback_substream && - (chip->mode & AD1848_MODE_RUNNING)) - snd_pcm_period_elapsed(chip->playback_substream); - if ((chip->mode & AD1848_MODE_CAPTURE) && chip->capture_substream && - (chip->mode & AD1848_MODE_RUNNING)) - snd_pcm_period_elapsed(chip->capture_substream); - outb(0, AD1848P(chip, STATUS)); /* clear global interrupt bit */ - return IRQ_HANDLED; -} - -static snd_pcm_uframes_t snd_ad1848_playback_pointer(struct snd_pcm_substream *substream) -{ - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); - size_t ptr; - - if (!(chip->image[AD1848_IFACE_CTRL] & AD1848_PLAYBACK_ENABLE)) - return 0; - ptr = snd_dma_pointer(chip->dma, chip->dma_size); - return bytes_to_frames(substream->runtime, ptr); -} - -static snd_pcm_uframes_t snd_ad1848_capture_pointer(struct snd_pcm_substream *substream) -{ - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); - size_t ptr; - - if (!(chip->image[AD1848_IFACE_CTRL] & AD1848_CAPTURE_ENABLE)) - return 0; - ptr = snd_dma_pointer(chip->dma, chip->dma_size); - return bytes_to_frames(substream->runtime, ptr); -} - -/* - - */ - -static void snd_ad1848_thinkpad_twiddle(struct snd_ad1848 *chip, int on) { - - int tmp; - - if (!chip->thinkpad_flag) return; - - outb(0x1c, AD1848_THINKPAD_CTL_PORT1); - tmp = inb(AD1848_THINKPAD_CTL_PORT2); - - if (on) - /* turn it on */ - tmp |= AD1848_THINKPAD_CS4248_ENABLE_BIT; - else - /* turn it off */ - tmp &= ~AD1848_THINKPAD_CS4248_ENABLE_BIT; - - outb(tmp, AD1848_THINKPAD_CTL_PORT2); - -} - -#ifdef CONFIG_PM -static void snd_ad1848_suspend(struct snd_ad1848 *chip) -{ - snd_pcm_suspend_all(chip->pcm); - if (chip->thinkpad_flag) - snd_ad1848_thinkpad_twiddle(chip, 0); -} - -static void snd_ad1848_resume(struct snd_ad1848 *chip) -{ - int i; - - if (chip->thinkpad_flag) - snd_ad1848_thinkpad_twiddle(chip, 1); - - /* clear any pendings IRQ */ - inb(AD1848P(chip, STATUS)); - outb(0, AD1848P(chip, STATUS)); - mb(); - - snd_ad1848_mce_down(chip); - for (i = 0; i < 16; i++) - snd_ad1848_out(chip, i, chip->image[i]); - snd_ad1848_mce_up(chip); - snd_ad1848_mce_down(chip); -} -#endif /* CONFIG_PM */ - -static int snd_ad1848_probe(struct snd_ad1848 * chip) -{ - unsigned long flags; - int i, id, rev, ad1847; - unsigned char *ptr; - -#if 0 - snd_ad1848_debug(chip); -#endif - id = ad1847 = 0; - for (i = 0; i < 1000; i++) { - mb(); - if (inb(AD1848P(chip, REGSEL)) & AD1848_INIT) - udelay(500); - else { - spin_lock_irqsave(&chip->reg_lock, flags); - snd_ad1848_out(chip, AD1848_MISC_INFO, 0x00); - snd_ad1848_out(chip, AD1848_LEFT_INPUT, 0xaa); - snd_ad1848_out(chip, AD1848_RIGHT_INPUT, 0x45); - rev = snd_ad1848_in(chip, AD1848_RIGHT_INPUT); - if (rev == 0x65) { - spin_unlock_irqrestore(&chip->reg_lock, flags); - id = 1; - ad1847 = 1; - break; - } - if (snd_ad1848_in(chip, AD1848_LEFT_INPUT) == 0xaa && rev == 0x45) { - spin_unlock_irqrestore(&chip->reg_lock, flags); - id = 1; - break; - } - spin_unlock_irqrestore(&chip->reg_lock, flags); - } - } - if (id != 1) - return -ENODEV; /* no valid device found */ - if (chip->hardware == AD1848_HW_DETECT) { - if (ad1847) { - chip->hardware = AD1848_HW_AD1847; - } else { - chip->hardware = AD1848_HW_AD1848; - rev = snd_ad1848_in(chip, AD1848_MISC_INFO); - if (rev & 0x80) { - chip->hardware = AD1848_HW_CS4248; - } else if ((rev & 0x0f) == 0x0a) { - snd_ad1848_out(chip, AD1848_MISC_INFO, 0x40); - for (i = 0; i < 16; ++i) { - if (snd_ad1848_in(chip, i) != snd_ad1848_in(chip, i + 16)) { - chip->hardware = AD1848_HW_CMI8330; - break; - } - } - snd_ad1848_out(chip, AD1848_MISC_INFO, 0x00); - } - } - } - spin_lock_irqsave(&chip->reg_lock, flags); - inb(AD1848P(chip, STATUS)); /* clear any pendings IRQ */ - outb(0, AD1848P(chip, STATUS)); - mb(); - spin_unlock_irqrestore(&chip->reg_lock, flags); - - chip->image[AD1848_MISC_INFO] = 0x00; - chip->image[AD1848_IFACE_CTRL] = - (chip->image[AD1848_IFACE_CTRL] & ~AD1848_SINGLE_DMA) | AD1848_SINGLE_DMA; - ptr = (unsigned char *) &chip->image; - snd_ad1848_mce_down(chip); - spin_lock_irqsave(&chip->reg_lock, flags); - for (i = 0; i < 16; i++) /* ok.. fill all AD1848 registers */ - snd_ad1848_out(chip, i, *ptr++); - spin_unlock_irqrestore(&chip->reg_lock, flags); - snd_ad1848_mce_up(chip); - snd_ad1848_mce_down(chip); - return 0; /* all things are ok.. */ -} - -/* - - */ - -static struct snd_pcm_hardware snd_ad1848_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), - .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, - .rate_min = 5510, - .rate_max = 48000, - .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_ad1848_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), - .rates = SNDRV_PCM_RATE_KNOT | SNDRV_PCM_RATE_8000_48000, - .rate_min = 5510, - .rate_max = 48000, - .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_ad1848_playback_open(struct snd_pcm_substream *substream) -{ - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - int err; - - if ((err = snd_ad1848_open(chip, AD1848_MODE_PLAY)) < 0) - return err; - chip->playback_substream = substream; - runtime->hw = snd_ad1848_playback; - snd_pcm_limit_isa_dma_size(chip->dma, &runtime->hw.buffer_bytes_max); - snd_pcm_limit_isa_dma_size(chip->dma, &runtime->hw.period_bytes_max); - snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates); - return 0; -} - -static int snd_ad1848_capture_open(struct snd_pcm_substream *substream) -{ - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); - struct snd_pcm_runtime *runtime = substream->runtime; - int err; - - if ((err = snd_ad1848_open(chip, AD1848_MODE_CAPTURE)) < 0) - return err; - chip->capture_substream = substream; - runtime->hw = snd_ad1848_capture; - snd_pcm_limit_isa_dma_size(chip->dma, &runtime->hw.buffer_bytes_max); - snd_pcm_limit_isa_dma_size(chip->dma, &runtime->hw.period_bytes_max); - snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_RATE, &hw_constraints_rates); - return 0; -} - -static int snd_ad1848_playback_close(struct snd_pcm_substream *substream) -{ - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); - - chip->mode &= ~AD1848_MODE_PLAY; - chip->playback_substream = NULL; - snd_ad1848_close(chip); - return 0; -} - -static int snd_ad1848_capture_close(struct snd_pcm_substream *substream) -{ - struct snd_ad1848 *chip = snd_pcm_substream_chip(substream); - - chip->mode &= ~AD1848_MODE_CAPTURE; - chip->capture_substream = NULL; - snd_ad1848_close(chip); - return 0; -} - -static int snd_ad1848_free(struct snd_ad1848 *chip) -{ - release_and_free_resource(chip->res_port); - if (chip->irq >= 0) - free_irq(chip->irq, (void *) chip); - if (chip->dma >= 0) { - snd_dma_disable(chip->dma); - free_dma(chip->dma); - } - kfree(chip); - return 0; -} - -static int snd_ad1848_dev_free(struct snd_device *device) -{ - struct snd_ad1848 *chip = device->device_data; - return snd_ad1848_free(chip); -} - -static const char *snd_ad1848_chip_id(struct snd_ad1848 *chip) -{ - switch (chip->hardware) { - case AD1848_HW_AD1847: return "AD1847"; - case AD1848_HW_AD1848: return "AD1848"; - case AD1848_HW_CS4248: return "CS4248"; - case AD1848_HW_CMI8330: return "CMI8330/C3D"; - default: return "???"; - } -} - -int snd_ad1848_create(struct snd_card *card, - unsigned long port, - int irq, int dma, - unsigned short hardware, - struct snd_ad1848 ** rchip) -{ - static struct snd_device_ops ops = { - .dev_free = snd_ad1848_dev_free, - }; - struct snd_ad1848 *chip; - int err; - - *rchip = NULL; - chip = kzalloc(sizeof(*chip), GFP_KERNEL); - if (chip == NULL) - return -ENOMEM; - spin_lock_init(&chip->reg_lock); - chip->card = card; - chip->port = port; - chip->irq = -1; - chip->dma = -1; - chip->hardware = hardware; - memcpy(&chip->image, &snd_ad1848_original_image, sizeof(snd_ad1848_original_image)); - - if ((chip->res_port = request_region(port, 4, "AD1848")) == NULL) { - snd_printk(KERN_ERR "ad1848: can't grab port 0x%lx\n", port); - snd_ad1848_free(chip); - return -EBUSY; - } - if (request_irq(irq, snd_ad1848_interrupt, IRQF_DISABLED, "AD1848", (void *) chip)) { - snd_printk(KERN_ERR "ad1848: can't grab IRQ %d\n", irq); - snd_ad1848_free(chip); - return -EBUSY; - } - chip->irq = irq; - if (request_dma(dma, "AD1848")) { - snd_printk(KERN_ERR "ad1848: can't grab DMA %d\n", dma); - snd_ad1848_free(chip); - return -EBUSY; - } - chip->dma = dma; - - if (hardware == AD1848_HW_THINKPAD) { - chip->thinkpad_flag = 1; - chip->hardware = AD1848_HW_DETECT; /* reset */ - snd_ad1848_thinkpad_twiddle(chip, 1); - } - - if (snd_ad1848_probe(chip) < 0) { - snd_ad1848_free(chip); - return -ENODEV; - } - - /* Register device */ - if ((err = snd_device_new(card, SNDRV_DEV_LOWLEVEL, chip, &ops)) < 0) { - snd_ad1848_free(chip); - return err; - } - -#ifdef CONFIG_PM - chip->suspend = snd_ad1848_suspend; - chip->resume = snd_ad1848_resume; -#endif - - *rchip = chip; - return 0; -} - -EXPORT_SYMBOL(snd_ad1848_create); - -static struct snd_pcm_ops snd_ad1848_playback_ops = { - .open = snd_ad1848_playback_open, - .close = snd_ad1848_playback_close, - .ioctl = snd_ad1848_ioctl, - .hw_params = snd_ad1848_playback_hw_params, - .hw_free = snd_ad1848_playback_hw_free, - .prepare = snd_ad1848_playback_prepare, - .trigger = snd_ad1848_playback_trigger, - .pointer = snd_ad1848_playback_pointer, -}; - -static struct snd_pcm_ops snd_ad1848_capture_ops = { - .open = snd_ad1848_capture_open, - .close = snd_ad1848_capture_close, - .ioctl = snd_ad1848_ioctl, - .hw_params = snd_ad1848_capture_hw_params, - .hw_free = snd_ad1848_capture_hw_free, - .prepare = snd_ad1848_capture_prepare, - .trigger = snd_ad1848_capture_trigger, - .pointer = snd_ad1848_capture_pointer, -}; - -int snd_ad1848_pcm(struct snd_ad1848 *chip, int device, struct snd_pcm **rpcm) -{ - struct snd_pcm *pcm; - int err; - - if ((err = snd_pcm_new(chip->card, "AD1848", device, 1, 1, &pcm)) < 0) - return err; - - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &snd_ad1848_playback_ops); - snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_ad1848_capture_ops); - - pcm->private_data = chip; - pcm->info_flags = SNDRV_PCM_INFO_HALF_DUPLEX; - strcpy(pcm->name, snd_ad1848_chip_id(chip)); - - snd_pcm_lib_preallocate_pages_for_all(pcm, SNDRV_DMA_TYPE_DEV, - snd_dma_isa_data(), - 64*1024, chip->dma > 3 ? 128*1024 : 64*1024); - - chip->pcm = pcm; - if (rpcm) - *rpcm = pcm; - return 0; -} - -EXPORT_SYMBOL(snd_ad1848_pcm); - -const struct snd_pcm_ops *snd_ad1848_get_pcm_ops(int direction) -{ - return direction == SNDRV_PCM_STREAM_PLAYBACK ? - &snd_ad1848_playback_ops : &snd_ad1848_capture_ops; -} - -EXPORT_SYMBOL(snd_ad1848_get_pcm_ops); - -/* - * MIXER part - */ - -static int snd_ad1848_info_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) -{ - static char *texts[4] = { - "Line", "Aux", "Mic", "Mix" - }; - - uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; - uinfo->count = 2; - uinfo->value.enumerated.items = 4; - if (uinfo->value.enumerated.item > 3) - uinfo->value.enumerated.item = 3; - strcpy(uinfo->value.enumerated.name, texts[uinfo->value.enumerated.item]); - return 0; -} - -static int snd_ad1848_get_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct snd_ad1848 *chip = snd_kcontrol_chip(kcontrol); - unsigned long flags; - - spin_lock_irqsave(&chip->reg_lock, flags); - ucontrol->value.enumerated.item[0] = (chip->image[AD1848_LEFT_INPUT] & AD1848_MIXS_ALL) >> 6; - ucontrol->value.enumerated.item[1] = (chip->image[AD1848_RIGHT_INPUT] & AD1848_MIXS_ALL) >> 6; - spin_unlock_irqrestore(&chip->reg_lock, flags); - return 0; -} - -static int snd_ad1848_put_mux(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct snd_ad1848 *chip = snd_kcontrol_chip(kcontrol); - unsigned long flags; - unsigned short left, right; - int change; - - if (ucontrol->value.enumerated.item[0] > 3 || - ucontrol->value.enumerated.item[1] > 3) - return -EINVAL; - left = ucontrol->value.enumerated.item[0] << 6; - right = ucontrol->value.enumerated.item[1] << 6; - spin_lock_irqsave(&chip->reg_lock, flags); - left = (chip->image[AD1848_LEFT_INPUT] & ~AD1848_MIXS_ALL) | left; - right = (chip->image[AD1848_RIGHT_INPUT] & ~AD1848_MIXS_ALL) | right; - change = left != chip->image[AD1848_LEFT_INPUT] || - right != chip->image[AD1848_RIGHT_INPUT]; - snd_ad1848_out(chip, AD1848_LEFT_INPUT, left); - snd_ad1848_out(chip, AD1848_RIGHT_INPUT, right); - spin_unlock_irqrestore(&chip->reg_lock, flags); - return change; -} - -static int snd_ad1848_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_ad1848_get_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct snd_ad1848 *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->reg_lock, flags); - ucontrol->value.integer.value[0] = (chip->image[reg] >> shift) & mask; - spin_unlock_irqrestore(&chip->reg_lock, flags); - if (invert) - ucontrol->value.integer.value[0] = mask - ucontrol->value.integer.value[0]; - return 0; -} - -static int snd_ad1848_put_single(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct snd_ad1848 *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 val; - - val = (ucontrol->value.integer.value[0] & mask); - if (invert) - val = mask - val; - val <<= shift; - spin_lock_irqsave(&chip->reg_lock, flags); - val = (chip->image[reg] & ~(mask << shift)) | val; - change = val != chip->image[reg]; - snd_ad1848_out(chip, reg, val); - spin_unlock_irqrestore(&chip->reg_lock, flags); - return change; -} - -static int snd_ad1848_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) -{ - int mask = (kcontrol->private_value >> 24) & 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_ad1848_get_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct snd_ad1848 *chip = snd_kcontrol_chip(kcontrol); - unsigned long flags; - int left_reg = kcontrol->private_value & 0xff; - int right_reg = (kcontrol->private_value >> 8) & 0xff; - int shift_left = (kcontrol->private_value >> 16) & 0x07; - int shift_right = (kcontrol->private_value >> 19) & 0x07; - int mask = (kcontrol->private_value >> 24) & 0xff; - int invert = (kcontrol->private_value >> 22) & 1; - - spin_lock_irqsave(&chip->reg_lock, flags); - ucontrol->value.integer.value[0] = (chip->image[left_reg] >> shift_left) & mask; - ucontrol->value.integer.value[1] = (chip->image[right_reg] >> shift_right) & mask; - spin_unlock_irqrestore(&chip->reg_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_ad1848_put_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) -{ - struct snd_ad1848 *chip = snd_kcontrol_chip(kcontrol); - unsigned long flags; - int left_reg = kcontrol->private_value & 0xff; - int right_reg = (kcontrol->private_value >> 8) & 0xff; - int shift_left = (kcontrol->private_value >> 16) & 0x07; - int shift_right = (kcontrol->private_value >> 19) & 0x07; - int mask = (kcontrol->private_value >> 24) & 0xff; - int invert = (kcontrol->private_value >> 22) & 1; - int change; - unsigned short 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->reg_lock, flags); - if (left_reg != right_reg) { - val1 = (chip->image[left_reg] & ~(mask << shift_left)) | val1; - val2 = (chip->image[right_reg] & ~(mask << shift_right)) | val2; - change = val1 != chip->image[left_reg] || val2 != chip->image[right_reg]; - snd_ad1848_out(chip, left_reg, val1); - snd_ad1848_out(chip, right_reg, val2); - } else { - val1 = (chip->image[left_reg] & ~((mask << shift_left) | (mask << shift_right))) | val1 | val2; - change = val1 != chip->image[left_reg]; - snd_ad1848_out(chip, left_reg, val1); - } - spin_unlock_irqrestore(&chip->reg_lock, flags); - return change; -} - -/* - */ -int snd_ad1848_add_ctl_elem(struct snd_ad1848 *chip, - const struct ad1848_mix_elem *c) -{ - static struct snd_kcontrol_new newctls[] = { - [AD1848_MIX_SINGLE] = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .info = snd_ad1848_info_single, - .get = snd_ad1848_get_single, - .put = snd_ad1848_put_single, - }, - [AD1848_MIX_DOUBLE] = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .info = snd_ad1848_info_double, - .get = snd_ad1848_get_double, - .put = snd_ad1848_put_double, - }, - [AD1848_MIX_CAPTURE] = { - .iface = SNDRV_CTL_ELEM_IFACE_MIXER, - .info = snd_ad1848_info_mux, - .get = snd_ad1848_get_mux, - .put = snd_ad1848_put_mux, - }, - }; - struct snd_kcontrol *ctl; - int err; - - ctl = snd_ctl_new1(&newctls[c->type], chip); - if (! ctl) - return -ENOMEM; - strlcpy(ctl->id.name, c->name, sizeof(ctl->id.name)); - ctl->id.index = c->index; - ctl->private_value = c->private_value; - if (c->tlv) { - ctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ; - ctl->tlv.p = c->tlv; - } - if ((err = snd_ctl_add(chip->card, ctl)) < 0) - return err; - return 0; -} - -EXPORT_SYMBOL(snd_ad1848_add_ctl_elem); - -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 ad1848_mix_elem snd_ad1848_controls[] = { -AD1848_DOUBLE("PCM Playback Switch", 0, AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 7, 7, 1, 1), -AD1848_DOUBLE_TLV("PCM Playback Volume", 0, AD1848_LEFT_OUTPUT, AD1848_RIGHT_OUTPUT, 0, 0, 63, 1, - db_scale_6bit), -AD1848_DOUBLE("Aux Playback Switch", 0, AD1848_AUX1_LEFT_INPUT, AD1848_AUX1_RIGHT_INPUT, 7, 7, 1, 1), -AD1848_DOUBLE_TLV("Aux Playback Volume", 0, AD1848_AUX1_LEFT_INPUT, AD1848_AUX1_RIGHT_INPUT, 0, 0, 31, 1, - db_scale_5bit_12db_max), -AD1848_DOUBLE("Aux Playback Switch", 1, AD1848_AUX2_LEFT_INPUT, AD1848_AUX2_RIGHT_INPUT, 7, 7, 1, 1), -AD1848_DOUBLE_TLV("Aux Playback Volume", 1, AD1848_AUX2_LEFT_INPUT, AD1848_AUX2_RIGHT_INPUT, 0, 0, 31, 1, - db_scale_5bit_12db_max), -AD1848_DOUBLE_TLV("Capture Volume", 0, AD1848_LEFT_INPUT, AD1848_RIGHT_INPUT, 0, 0, 15, 0, - db_scale_rec_gain), -{ - .name = "Capture Source", - .type = AD1848_MIX_CAPTURE, -}, -AD1848_SINGLE("Loopback Capture Switch", 0, AD1848_LOOPBACK, 0, 1, 0), -AD1848_SINGLE_TLV("Loopback Capture Volume", 0, AD1848_LOOPBACK, 1, 63, 0, - db_scale_6bit), -}; - -int snd_ad1848_mixer(struct snd_ad1848 *chip) -{ - struct snd_card *card; - struct snd_pcm *pcm; - unsigned int idx; - int err; - - snd_assert(chip != NULL && chip->pcm != NULL, return -EINVAL); - - pcm = chip->pcm; - card = chip->card; - - strcpy(card->mixername, pcm->name); - - for (idx = 0; idx < ARRAY_SIZE(snd_ad1848_controls); idx++) - if ((err = snd_ad1848_add_ctl_elem(chip, &snd_ad1848_controls[idx])) < 0) - return err; - - return 0; -} - -EXPORT_SYMBOL(snd_ad1848_mixer); - -/* - * INIT part - */ - -static int __init alsa_ad1848_init(void) -{ - return 0; -} - -static void __exit alsa_ad1848_exit(void) -{ -} - -module_init(alsa_ad1848_init) -module_exit(alsa_ad1848_exit) |