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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-08-14 19:13:30 +0400
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-15 23:36:22 +0400
commitb285192a43f0432d82c2c10974204e78af0da596 (patch)
tree618aa87e760c9c949eca9e4df6ae0eeffa11dcfc /drivers/media/video/cx88/cx88-alsa.c
parent68de959f773a1d49096835c411390bceff5d1549 (diff)
downloadlinux-b285192a43f0432d82c2c10974204e78af0da596.tar.xz
[media] rename most media/video pci drivers to media/pci
Rename all PCI drivers with their own directory under drivers/media/video into drivers/media/pci and update the building system. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/video/cx88/cx88-alsa.c')
-rw-r--r--drivers/media/video/cx88/cx88-alsa.c975
1 files changed, 0 insertions, 975 deletions
diff --git a/drivers/media/video/cx88/cx88-alsa.c b/drivers/media/video/cx88/cx88-alsa.c
deleted file mode 100644
index 3aa6856ead3b..000000000000
--- a/drivers/media/video/cx88/cx88-alsa.c
+++ /dev/null
@@ -1,975 +0,0 @@
-/*
- *
- * Support for audio capture
- * PCI function #1 of the cx2388x.
- *
- * (c) 2007 Trent Piepho <xyzzy@speakeasy.org>
- * (c) 2005,2006 Ricardo Cerqueira <v4l@cerqueira.org>
- * (c) 2005 Mauro Carvalho Chehab <mchehab@infradead.org>
- * Based on a dummy cx88 module by Gerd Knorr <kraxel@bytesex.org>
- * Based on dummy.c by Jaroslav Kysela <perex@perex.cz>
- *
- * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
- */
-
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/device.h>
-#include <linux/interrupt.h>
-#include <linux/vmalloc.h>
-#include <linux/dma-mapping.h>
-#include <linux/pci.h>
-#include <linux/slab.h>
-
-#include <asm/delay.h>
-#include <sound/core.h>
-#include <sound/pcm.h>
-#include <sound/pcm_params.h>
-#include <sound/control.h>
-#include <sound/initval.h>
-#include <sound/tlv.h>
-#include <media/wm8775.h>
-
-#include "cx88.h"
-#include "cx88-reg.h"
-
-#define dprintk(level,fmt, arg...) if (debug >= level) \
- printk(KERN_INFO "%s/1: " fmt, chip->core->name , ## arg)
-
-#define dprintk_core(level,fmt, arg...) if (debug >= level) \
- printk(KERN_DEBUG "%s/1: " fmt, chip->core->name , ## arg)
-
-/****************************************************************************
- Data type declarations - Can be moded to a header file later
- ****************************************************************************/
-
-struct cx88_audio_buffer {
- unsigned int bpl;
- struct btcx_riscmem risc;
- struct videobuf_dmabuf dma;
-};
-
-struct cx88_audio_dev {
- struct cx88_core *core;
- struct cx88_dmaqueue q;
-
- /* pci i/o */
- struct pci_dev *pci;
-
- /* audio controls */
- int irq;
-
- struct snd_card *card;
-
- spinlock_t reg_lock;
- atomic_t count;
-
- unsigned int dma_size;
- unsigned int period_size;
- unsigned int num_periods;
-
- struct videobuf_dmabuf *dma_risc;
-
- struct cx88_audio_buffer *buf;
-
- struct snd_pcm_substream *substream;
-};
-typedef struct cx88_audio_dev snd_cx88_card_t;
-
-
-
-/****************************************************************************
- Module global static vars
- ****************************************************************************/
-
-static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
-static const char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
-static bool enable[SNDRV_CARDS] = {1, [1 ... (SNDRV_CARDS - 1)] = 1};
-
-module_param_array(enable, bool, NULL, 0444);
-MODULE_PARM_DESC(enable, "Enable cx88x soundcard. default enabled.");
-
-module_param_array(index, int, NULL, 0444);
-MODULE_PARM_DESC(index, "Index value for cx88x capture interface(s).");
-
-
-/****************************************************************************
- Module macros
- ****************************************************************************/
-
-MODULE_DESCRIPTION("ALSA driver module for cx2388x based TV cards");
-MODULE_AUTHOR("Ricardo Cerqueira");
-MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
-MODULE_LICENSE("GPL");
-MODULE_VERSION(CX88_VERSION);
-
-MODULE_SUPPORTED_DEVICE("{{Conexant,23881},"
- "{{Conexant,23882},"
- "{{Conexant,23883}");
-static unsigned int debug;
-module_param(debug,int,0644);
-MODULE_PARM_DESC(debug,"enable debug messages");
-
-/****************************************************************************
- Module specific funtions
- ****************************************************************************/
-
-/*
- * BOARD Specific: Sets audio DMA
- */
-
-static int _cx88_start_audio_dma(snd_cx88_card_t *chip)
-{
- struct cx88_audio_buffer *buf = chip->buf;
- struct cx88_core *core=chip->core;
- const struct sram_channel *audio_ch = &cx88_sram_channels[SRAM_CH25];
-
- /* Make sure RISC/FIFO are off before changing FIFO/RISC settings */
- cx_clear(MO_AUD_DMACNTRL, 0x11);
-
- /* setup fifo + format - out channel */
- cx88_sram_channel_setup(chip->core, audio_ch, buf->bpl, buf->risc.dma);
-
- /* sets bpl size */
- cx_write(MO_AUDD_LNGTH, buf->bpl);
-
- /* reset counter */
- cx_write(MO_AUDD_GPCNTRL, GP_COUNT_CONTROL_RESET);
- atomic_set(&chip->count, 0);
-
- dprintk(1, "Start audio DMA, %d B/line, %d lines/FIFO, %d periods, %d "
- "byte buffer\n", buf->bpl, cx_read(audio_ch->cmds_start + 8)>>1,
- chip->num_periods, buf->bpl * chip->num_periods);
-
- /* Enables corresponding bits at AUD_INT_STAT */
- cx_write(MO_AUD_INTMSK, AUD_INT_OPC_ERR | AUD_INT_DN_SYNC |
- AUD_INT_DN_RISCI2 | AUD_INT_DN_RISCI1);
-
- /* Clean any pending interrupt bits already set */
- cx_write(MO_AUD_INTSTAT, ~0);
-
- /* enable audio irqs */
- cx_set(MO_PCI_INTMSK, chip->core->pci_irqmask | PCI_INT_AUDINT);
-
- /* start dma */
- cx_set(MO_DEV_CNTRL2, (1<<5)); /* Enables Risc Processor */
- cx_set(MO_AUD_DMACNTRL, 0x11); /* audio downstream FIFO and RISC enable */
-
- if (debug)
- cx88_sram_channel_dump(chip->core, audio_ch);
-
- return 0;
-}
-
-/*
- * BOARD Specific: Resets audio DMA
- */
-static int _cx88_stop_audio_dma(snd_cx88_card_t *chip)
-{
- struct cx88_core *core=chip->core;
- dprintk(1, "Stopping audio DMA\n");
-
- /* stop dma */
- cx_clear(MO_AUD_DMACNTRL, 0x11);
-
- /* disable irqs */
- cx_clear(MO_PCI_INTMSK, PCI_INT_AUDINT);
- cx_clear(MO_AUD_INTMSK, AUD_INT_OPC_ERR | AUD_INT_DN_SYNC |
- AUD_INT_DN_RISCI2 | AUD_INT_DN_RISCI1);
-
- if (debug)
- cx88_sram_channel_dump(chip->core, &cx88_sram_channels[SRAM_CH25]);
-
- return 0;
-}
-
-#define MAX_IRQ_LOOP 50
-
-/*
- * BOARD Specific: IRQ dma bits
- */
-static const char *cx88_aud_irqs[32] = {
- "dn_risci1", "up_risci1", "rds_dn_risc1", /* 0-2 */
- NULL, /* reserved */
- "dn_risci2", "up_risci2", "rds_dn_risc2", /* 4-6 */
- NULL, /* reserved */
- "dnf_of", "upf_uf", "rds_dnf_uf", /* 8-10 */
- NULL, /* reserved */
- "dn_sync", "up_sync", "rds_dn_sync", /* 12-14 */
- NULL, /* reserved */
- "opc_err", "par_err", "rip_err", /* 16-18 */
- "pci_abort", "ber_irq", "mchg_irq" /* 19-21 */
-};
-
-/*
- * BOARD Specific: Threats IRQ audio specific calls
- */
-static void cx8801_aud_irq(snd_cx88_card_t *chip)
-{
- struct cx88_core *core = chip->core;
- u32 status, mask;
-
- status = cx_read(MO_AUD_INTSTAT);
- mask = cx_read(MO_AUD_INTMSK);
- if (0 == (status & mask))
- return;
- cx_write(MO_AUD_INTSTAT, status);
- if (debug > 1 || (status & mask & ~0xff))
- cx88_print_irqbits(core->name, "irq aud",
- cx88_aud_irqs, ARRAY_SIZE(cx88_aud_irqs),
- status, mask);
- /* risc op code error */
- if (status & AUD_INT_OPC_ERR) {
- printk(KERN_WARNING "%s/1: Audio risc op code error\n",core->name);
- cx_clear(MO_AUD_DMACNTRL, 0x11);
- cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH25]);
- }
- if (status & AUD_INT_DN_SYNC) {
- dprintk(1, "Downstream sync error\n");
- cx_write(MO_AUDD_GPCNTRL, GP_COUNT_CONTROL_RESET);
- return;
- }
- /* risc1 downstream */
- if (status & AUD_INT_DN_RISCI1) {
- atomic_set(&chip->count, cx_read(MO_AUDD_GPCNT));
- snd_pcm_period_elapsed(chip->substream);
- }
- /* FIXME: Any other status should deserve a special handling? */
-}
-
-/*
- * BOARD Specific: Handles IRQ calls
- */
-static irqreturn_t cx8801_irq(int irq, void *dev_id)
-{
- snd_cx88_card_t *chip = dev_id;
- struct cx88_core *core = chip->core;
- u32 status;
- int loop, handled = 0;
-
- for (loop = 0; loop < MAX_IRQ_LOOP; loop++) {
- status = cx_read(MO_PCI_INTSTAT) &
- (core->pci_irqmask | PCI_INT_AUDINT);
- if (0 == status)
- goto out;
- dprintk(3, "cx8801_irq loop %d/%d, status %x\n",
- loop, MAX_IRQ_LOOP, status);
- handled = 1;
- cx_write(MO_PCI_INTSTAT, status);
-
- if (status & core->pci_irqmask)
- cx88_core_irq(core, status);
- if (status & PCI_INT_AUDINT)
- cx8801_aud_irq(chip);
- }
-
- if (MAX_IRQ_LOOP == loop) {
- printk(KERN_ERR
- "%s/1: IRQ loop detected, disabling interrupts\n",
- core->name);
- cx_clear(MO_PCI_INTMSK, PCI_INT_AUDINT);
- }
-
- out:
- return IRQ_RETVAL(handled);
-}
-
-
-static int dsp_buffer_free(snd_cx88_card_t *chip)
-{
- BUG_ON(!chip->dma_size);
-
- dprintk(2,"Freeing buffer\n");
- videobuf_dma_unmap(&chip->pci->dev, chip->dma_risc);
- videobuf_dma_free(chip->dma_risc);
- btcx_riscmem_free(chip->pci,&chip->buf->risc);
- kfree(chip->buf);
-
- chip->dma_risc = NULL;
- chip->dma_size = 0;
-
- return 0;
-}
-
-/****************************************************************************
- ALSA PCM Interface
- ****************************************************************************/
-
-/*
- * Digital hardware definition
- */
-#define DEFAULT_FIFO_SIZE 4096
-static const struct snd_pcm_hardware snd_cx88_digital_hw = {
- .info = SNDRV_PCM_INFO_MMAP |
- SNDRV_PCM_INFO_INTERLEAVED |
- SNDRV_PCM_INFO_BLOCK_TRANSFER |
- SNDRV_PCM_INFO_MMAP_VALID,
- .formats = SNDRV_PCM_FMTBIT_S16_LE,
-
- .rates = SNDRV_PCM_RATE_48000,
- .rate_min = 48000,
- .rate_max = 48000,
- .channels_min = 2,
- .channels_max = 2,
- /* Analog audio output will be full of clicks and pops if there
- are not exactly four lines in the SRAM FIFO buffer. */
- .period_bytes_min = DEFAULT_FIFO_SIZE/4,
- .period_bytes_max = DEFAULT_FIFO_SIZE/4,
- .periods_min = 1,
- .periods_max = 1024,
- .buffer_bytes_max = (1024*1024),
-};
-
-/*
- * audio pcm capture open callback
- */
-static int snd_cx88_pcm_open(struct snd_pcm_substream *substream)
-{
- snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);
- struct snd_pcm_runtime *runtime = substream->runtime;
- int err;
-
- if (!chip) {
- printk(KERN_ERR "BUG: cx88 can't find device struct."
- " Can't proceed with open\n");
- return -ENODEV;
- }
-
- err = snd_pcm_hw_constraint_pow2(runtime, 0, SNDRV_PCM_HW_PARAM_PERIODS);
- if (err < 0)
- goto _error;
-
- chip->substream = substream;
-
- runtime->hw = snd_cx88_digital_hw;
-
- if (cx88_sram_channels[SRAM_CH25].fifo_size != DEFAULT_FIFO_SIZE) {
- unsigned int bpl = cx88_sram_channels[SRAM_CH25].fifo_size / 4;
- bpl &= ~7; /* must be multiple of 8 */
- runtime->hw.period_bytes_min = bpl;
- runtime->hw.period_bytes_max = bpl;
- }
-
- return 0;
-_error:
- dprintk(1,"Error opening PCM!\n");
- return err;
-}
-
-/*
- * audio close callback
- */
-static int snd_cx88_close(struct snd_pcm_substream *substream)
-{
- return 0;
-}
-
-/*
- * hw_params callback
- */
-static int snd_cx88_hw_params(struct snd_pcm_substream * substream,
- struct snd_pcm_hw_params * hw_params)
-{
- snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);
- struct videobuf_dmabuf *dma;
-
- struct cx88_audio_buffer *buf;
- int ret;
-
- if (substream->runtime->dma_area) {
- dsp_buffer_free(chip);
- substream->runtime->dma_area = NULL;
- }
-
- chip->period_size = params_period_bytes(hw_params);
- chip->num_periods = params_periods(hw_params);
- chip->dma_size = chip->period_size * params_periods(hw_params);
-
- BUG_ON(!chip->dma_size);
- BUG_ON(chip->num_periods & (chip->num_periods-1));
-
- buf = kzalloc(sizeof(*buf), GFP_KERNEL);
- if (NULL == buf)
- return -ENOMEM;
-
- buf->bpl = chip->period_size;
-
- dma = &buf->dma;
- videobuf_dma_init(dma);
- ret = videobuf_dma_init_kernel(dma, PCI_DMA_FROMDEVICE,
- (PAGE_ALIGN(chip->dma_size) >> PAGE_SHIFT));
- if (ret < 0)
- goto error;
-
- ret = videobuf_dma_map(&chip->pci->dev, dma);
- if (ret < 0)
- goto error;
-
- ret = cx88_risc_databuffer(chip->pci, &buf->risc, dma->sglist,
- chip->period_size, chip->num_periods, 1);
- if (ret < 0)
- goto error;
-
- /* Loop back to start of program */
- buf->risc.jmp[0] = cpu_to_le32(RISC_JUMP|RISC_IRQ1|RISC_CNT_INC);
- buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
-
- chip->buf = buf;
- chip->dma_risc = dma;
-
- substream->runtime->dma_area = chip->dma_risc->vaddr;
- substream->runtime->dma_bytes = chip->dma_size;
- substream->runtime->dma_addr = 0;
- return 0;
-
-error:
- kfree(buf);
- return ret;
-}
-
-/*
- * hw free callback
- */
-static int snd_cx88_hw_free(struct snd_pcm_substream * substream)
-{
-
- snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);
-
- if (substream->runtime->dma_area) {
- dsp_buffer_free(chip);
- substream->runtime->dma_area = NULL;
- }
-
- return 0;
-}
-
-/*
- * prepare callback
- */
-static int snd_cx88_prepare(struct snd_pcm_substream *substream)
-{
- return 0;
-}
-
-/*
- * trigger callback
- */
-static int snd_cx88_card_trigger(struct snd_pcm_substream *substream, int cmd)
-{
- snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);
- int err;
-
- /* Local interrupts are already disabled by ALSA */
- spin_lock(&chip->reg_lock);
-
- switch (cmd) {
- case SNDRV_PCM_TRIGGER_START:
- err=_cx88_start_audio_dma(chip);
- break;
- case SNDRV_PCM_TRIGGER_STOP:
- err=_cx88_stop_audio_dma(chip);
- break;
- default:
- err=-EINVAL;
- break;
- }
-
- spin_unlock(&chip->reg_lock);
-
- return err;
-}
-
-/*
- * pointer callback
- */
-static snd_pcm_uframes_t snd_cx88_pointer(struct snd_pcm_substream *substream)
-{
- snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);
- struct snd_pcm_runtime *runtime = substream->runtime;
- u16 count;
-
- count = atomic_read(&chip->count);
-
-// dprintk(2, "%s - count %d (+%u), period %d, frame %lu\n", __func__,
-// count, new, count & (runtime->periods-1),
-// runtime->period_size * (count & (runtime->periods-1)));
- return runtime->period_size * (count & (runtime->periods-1));
-}
-
-/*
- * page callback (needed for mmap)
- */
-static struct page *snd_cx88_page(struct snd_pcm_substream *substream,
- unsigned long offset)
-{
- void *pageptr = substream->runtime->dma_area + offset;
- return vmalloc_to_page(pageptr);
-}
-
-/*
- * operators
- */
-static struct snd_pcm_ops snd_cx88_pcm_ops = {
- .open = snd_cx88_pcm_open,
- .close = snd_cx88_close,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = snd_cx88_hw_params,
- .hw_free = snd_cx88_hw_free,
- .prepare = snd_cx88_prepare,
- .trigger = snd_cx88_card_trigger,
- .pointer = snd_cx88_pointer,
- .page = snd_cx88_page,
-};
-
-/*
- * create a PCM device
- */
-static int __devinit snd_cx88_pcm(snd_cx88_card_t *chip, int device, const char *name)
-{
- int err;
- struct snd_pcm *pcm;
-
- err = snd_pcm_new(chip->card, name, device, 0, 1, &pcm);
- if (err < 0)
- return err;
- pcm->private_data = chip;
- strcpy(pcm->name, name);
- snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_cx88_pcm_ops);
-
- return 0;
-}
-
-/****************************************************************************
- CONTROL INTERFACE
- ****************************************************************************/
-static int snd_cx88_volume_info(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_info *info)
-{
- info->type = SNDRV_CTL_ELEM_TYPE_INTEGER;
- info->count = 2;
- info->value.integer.min = 0;
- info->value.integer.max = 0x3f;
-
- return 0;
-}
-
-static int snd_cx88_volume_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *value)
-{
- snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol);
- struct cx88_core *core=chip->core;
- int vol = 0x3f - (cx_read(AUD_VOL_CTL) & 0x3f),
- bal = cx_read(AUD_BAL_CTL);
-
- value->value.integer.value[(bal & 0x40) ? 0 : 1] = vol;
- vol -= (bal & 0x3f);
- value->value.integer.value[(bal & 0x40) ? 1 : 0] = vol < 0 ? 0 : vol;
-
- return 0;
-}
-
-static void snd_cx88_wm8775_volume_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *value)
-{
- snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol);
- struct cx88_core *core = chip->core;
- int left = value->value.integer.value[0];
- int right = value->value.integer.value[1];
- int v, b;
-
- /* Pass volume & balance onto any WM8775 */
- if (left >= right) {
- v = left << 10;
- b = left ? (0x8000 * right) / left : 0x8000;
- } else {
- v = right << 10;
- b = right ? 0xffff - (0x8000 * left) / right : 0x8000;
- }
- wm8775_s_ctrl(core, V4L2_CID_AUDIO_VOLUME, v);
- wm8775_s_ctrl(core, V4L2_CID_AUDIO_BALANCE, b);
-}
-
-/* OK - TODO: test it */
-static int snd_cx88_volume_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *value)
-{
- snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol);
- struct cx88_core *core=chip->core;
- int left, right, v, b;
- int changed = 0;
- u32 old;
-
- if (core->board.audio_chip == V4L2_IDENT_WM8775)
- snd_cx88_wm8775_volume_put(kcontrol, value);
-
- left = value->value.integer.value[0] & 0x3f;
- right = value->value.integer.value[1] & 0x3f;
- b = right - left;
- if (b < 0) {
- v = 0x3f - left;
- b = (-b) | 0x40;
- } else {
- v = 0x3f - right;
- }
- /* Do we really know this will always be called with IRQs on? */
- spin_lock_irq(&chip->reg_lock);
- old = cx_read(AUD_VOL_CTL);
- if (v != (old & 0x3f)) {
- cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, (old & ~0x3f) | v);
- changed = 1;
- }
- if ((cx_read(AUD_BAL_CTL) & 0x7f) != b) {
- cx_write(AUD_BAL_CTL, b);
- changed = 1;
- }
- spin_unlock_irq(&chip->reg_lock);
-
- return changed;
-}
-
-static const DECLARE_TLV_DB_SCALE(snd_cx88_db_scale, -6300, 100, 0);
-
-static const struct snd_kcontrol_new snd_cx88_volume = {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
- SNDRV_CTL_ELEM_ACCESS_TLV_READ,
- .name = "Analog-TV Volume",
- .info = snd_cx88_volume_info,
- .get = snd_cx88_volume_get,
- .put = snd_cx88_volume_put,
- .tlv.p = snd_cx88_db_scale,
-};
-
-static int snd_cx88_switch_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *value)
-{
- snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol);
- struct cx88_core *core = chip->core;
- u32 bit = kcontrol->private_value;
-
- value->value.integer.value[0] = !(cx_read(AUD_VOL_CTL) & bit);
- return 0;
-}
-
-static int snd_cx88_switch_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *value)
-{
- snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol);
- struct cx88_core *core = chip->core;
- u32 bit = kcontrol->private_value;
- int ret = 0;
- u32 vol;
-
- spin_lock_irq(&chip->reg_lock);
- vol = cx_read(AUD_VOL_CTL);
- if (value->value.integer.value[0] != !(vol & bit)) {
- vol ^= bit;
- cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, vol);
- /* Pass mute onto any WM8775 */
- if ((core->board.audio_chip == V4L2_IDENT_WM8775) &&
- ((1<<6) == bit))
- wm8775_s_ctrl(core, V4L2_CID_AUDIO_MUTE, 0 != (vol & bit));
- ret = 1;
- }
- spin_unlock_irq(&chip->reg_lock);
- return ret;
-}
-
-static const struct snd_kcontrol_new snd_cx88_dac_switch = {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .name = "Audio-Out Switch",
- .info = snd_ctl_boolean_mono_info,
- .get = snd_cx88_switch_get,
- .put = snd_cx88_switch_put,
- .private_value = (1<<8),
-};
-
-static const struct snd_kcontrol_new snd_cx88_source_switch = {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .name = "Analog-TV Switch",
- .info = snd_ctl_boolean_mono_info,
- .get = snd_cx88_switch_get,
- .put = snd_cx88_switch_put,
- .private_value = (1<<6),
-};
-
-static int snd_cx88_alc_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *value)
-{
- snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol);
- struct cx88_core *core = chip->core;
- s32 val;
-
- val = wm8775_g_ctrl(core, V4L2_CID_AUDIO_LOUDNESS);
- value->value.integer.value[0] = val ? 1 : 0;
- return 0;
-}
-
-static int snd_cx88_alc_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *value)
-{
- snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol);
- struct cx88_core *core = chip->core;
- struct v4l2_control client_ctl;
-
- memset(&client_ctl, 0, sizeof(client_ctl));
- client_ctl.value = 0 != value->value.integer.value[0];
- client_ctl.id = V4L2_CID_AUDIO_LOUDNESS;
- call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl);
-
- return 0;
-}
-
-static struct snd_kcontrol_new snd_cx88_alc_switch = {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .name = "Line-In ALC Switch",
- .info = snd_ctl_boolean_mono_info,
- .get = snd_cx88_alc_get,
- .put = snd_cx88_alc_put,
-};
-
-/****************************************************************************
- Basic Flow for Sound Devices
- ****************************************************************************/
-
-/*
- * PCI ID Table - 14f1:8801 and 14f1:8811 means function 1: Audio
- * Only boards with eeprom and byte 1 at eeprom=1 have it
- */
-
-static const struct pci_device_id cx88_audio_pci_tbl[] __devinitdata = {
- {0x14f1,0x8801,PCI_ANY_ID,PCI_ANY_ID,0,0,0},
- {0x14f1,0x8811,PCI_ANY_ID,PCI_ANY_ID,0,0,0},
- {0, }
-};
-MODULE_DEVICE_TABLE(pci, cx88_audio_pci_tbl);
-
-/*
- * Chip-specific destructor
- */
-
-static int snd_cx88_free(snd_cx88_card_t *chip)
-{
-
- if (chip->irq >= 0)
- free_irq(chip->irq, chip);
-
- cx88_core_put(chip->core,chip->pci);
-
- pci_disable_device(chip->pci);
- return 0;
-}
-
-/*
- * Component Destructor
- */
-static void snd_cx88_dev_free(struct snd_card * card)
-{
- snd_cx88_card_t *chip = card->private_data;
-
- snd_cx88_free(chip);
-}
-
-
-/*
- * Alsa Constructor - Component probe
- */
-
-static int devno;
-static int __devinit snd_cx88_create(struct snd_card *card,
- struct pci_dev *pci,
- snd_cx88_card_t **rchip,
- struct cx88_core **core_ptr)
-{
- snd_cx88_card_t *chip;
- struct cx88_core *core;
- int err;
- unsigned char pci_lat;
-
- *rchip = NULL;
-
- err = pci_enable_device(pci);
- if (err < 0)
- return err;
-
- pci_set_master(pci);
-
- chip = card->private_data;
-
- core = cx88_core_get(pci);
- if (NULL == core) {
- err = -EINVAL;
- return err;
- }
-
- if (!pci_dma_supported(pci,DMA_BIT_MASK(32))) {
- dprintk(0, "%s/1: Oops: no 32bit PCI DMA ???\n",core->name);
- err = -EIO;
- cx88_core_put(core, pci);
- return err;
- }
-
-
- /* pci init */
- chip->card = card;
- chip->pci = pci;
- chip->irq = -1;
- spin_lock_init(&chip->reg_lock);
-
- chip->core = core;
-
- /* get irq */
- err = request_irq(chip->pci->irq, cx8801_irq,
- IRQF_SHARED | IRQF_DISABLED, chip->core->name, chip);
- if (err < 0) {
- dprintk(0, "%s: can't get IRQ %d\n",
- chip->core->name, chip->pci->irq);
- return err;
- }
-
- /* print pci info */
- pci_read_config_byte(pci, PCI_LATENCY_TIMER, &pci_lat);
-
- dprintk(1,"ALSA %s/%i: found at %s, rev: %d, irq: %d, "
- "latency: %d, mmio: 0x%llx\n", core->name, devno,
- pci_name(pci), pci->revision, pci->irq,
- pci_lat, (unsigned long long)pci_resource_start(pci,0));
-
- chip->irq = pci->irq;
- synchronize_irq(chip->irq);
-
- snd_card_set_dev(card, &pci->dev);
-
- *rchip = chip;
- *core_ptr = core;
-
- return 0;
-}
-
-static int __devinit cx88_audio_initdev(struct pci_dev *pci,
- const struct pci_device_id *pci_id)
-{
- struct snd_card *card;
- snd_cx88_card_t *chip;
- struct cx88_core *core = NULL;
- int err;
-
- if (devno >= SNDRV_CARDS)
- return (-ENODEV);
-
- if (!enable[devno]) {
- ++devno;
- return (-ENOENT);
- }
-
- err = snd_card_create(index[devno], id[devno], THIS_MODULE,
- sizeof(snd_cx88_card_t), &card);
- if (err < 0)
- return err;
-
- card->private_free = snd_cx88_dev_free;
-
- err = snd_cx88_create(card, pci, &chip, &core);
- if (err < 0)
- goto error;
-
- err = snd_cx88_pcm(chip, 0, "CX88 Digital");
- if (err < 0)
- goto error;
-
- err = snd_ctl_add(card, snd_ctl_new1(&snd_cx88_volume, chip));
- if (err < 0)
- goto error;
- err = snd_ctl_add(card, snd_ctl_new1(&snd_cx88_dac_switch, chip));
- if (err < 0)
- goto error;
- err = snd_ctl_add(card, snd_ctl_new1(&snd_cx88_source_switch, chip));
- if (err < 0)
- goto error;
-
- /* If there's a wm8775 then add a Line-In ALC switch */
- if (core->board.audio_chip == V4L2_IDENT_WM8775)
- snd_ctl_add(card, snd_ctl_new1(&snd_cx88_alc_switch, chip));
-
- strcpy (card->driver, "CX88x");
- sprintf(card->shortname, "Conexant CX%x", pci->device);
- sprintf(card->longname, "%s at %#llx",
- card->shortname,(unsigned long long)pci_resource_start(pci, 0));
- strcpy (card->mixername, "CX88");
-
- dprintk (0, "%s/%i: ALSA support for cx2388x boards\n",
- card->driver,devno);
-
- err = snd_card_register(card);
- if (err < 0)
- goto error;
- pci_set_drvdata(pci,card);
-
- devno++;
- return 0;
-
-error:
- snd_card_free(card);
- return err;
-}
-/*
- * ALSA destructor
- */
-static void __devexit cx88_audio_finidev(struct pci_dev *pci)
-{
- struct cx88_audio_dev *card = pci_get_drvdata(pci);
-
- snd_card_free((void *)card);
-
- pci_set_drvdata(pci, NULL);
-
- devno--;
-}
-
-/*
- * PCI driver definition
- */
-
-static struct pci_driver cx88_audio_pci_driver = {
- .name = "cx88_audio",
- .id_table = cx88_audio_pci_tbl,
- .probe = cx88_audio_initdev,
- .remove = __devexit_p(cx88_audio_finidev),
-};
-
-/****************************************************************************
- LINUX MODULE INIT
- ****************************************************************************/
-
-/*
- * module init
- */
-static int __init cx88_audio_init(void)
-{
- printk(KERN_INFO "cx2388x alsa driver version %s loaded\n",
- CX88_VERSION);
- return pci_register_driver(&cx88_audio_pci_driver);
-}
-
-/*
- * module remove
- */
-static void __exit cx88_audio_fini(void)
-{
- pci_unregister_driver(&cx88_audio_pci_driver);
-}
-
-module_init(cx88_audio_init);
-module_exit(cx88_audio_fini);