/*
*
- * Support for audio capture
- * PCI function #1 of the cx2388x.
+ * Support for audio capture for tm5600/6000
+ * (c) 2007-2008 Mauro Carvalho Chehab <mchehab@redhat.com>
*
- * (c) 2007 Trent Piepho <xyzzy@speakeasy.org>
- * (c) 2005,2006 Ricardo Cerqueira <v4l@cerqueira.org>
- * (c) 2005 Mauro Carvalho Chehab <mchehab@redhat.com>
- * Based on a dummy cx88 module by Gerd Knorr <kraxel@bytesex.org>
- * Based on dummy.c by Jaroslav Kysela <perex@perex.cz>
+ * Based on cx88-alsa.c
*
* 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.
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
*/
#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 <asm/delay.h>
#include <sound/driver.h>
#include <sound/pcm_params.h>
#include <sound/control.h>
#include <sound/initval.h>
-#include <sound/tlv.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)
+#include "tm6000.h"
+#include "tm6000-regs.h"
+
+#undef dprintk
-#define dprintk_core(level,fmt, arg...) if (debug >= level) \
- printk(KERN_DEBUG "%s/1: " fmt, chip->core->name , ## arg)
+#define dprintk(level, fmt, arg...) do { \
+ if (debug >= level) \
+ printk(KERN_INFO "%s/1: " fmt, chip->core->name , ## arg); \
+ } while (0)
/****************************************************************************
Data type declarations - Can be moded to a header file later
****************************************************************************/
-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_tm6000_card {
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 tm6000_core *core;
+ struct tm6000_buffer *buf;
- struct cx88_buffer *buf;
+ int bufsize;
- struct snd_pcm_substream *substream;
+ struct snd_pcm_substream *substream;
};
-typedef struct cx88_audio_dev snd_cx88_card_t;
-
-
/****************************************************************************
****************************************************************************/
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
-static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
static int 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_PARM_DESC(enable, "Enable tm6000x soundcard. default enabled.");
module_param_array(index, int, NULL, 0444);
-MODULE_PARM_DESC(index, "Index value for cx88x capture interface(s).");
+MODULE_PARM_DESC(index, "Index value for tm6000x capture interface(s).");
/****************************************************************************
Module macros
****************************************************************************/
-MODULE_DESCRIPTION("ALSA driver module for cx2388x based TV cards");
-MODULE_AUTHOR("Ricardo Cerqueira");
+MODULE_DESCRIPTION("ALSA driver module for tm5600/tm6000 based TV cards");
MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
MODULE_LICENSE("GPL");
-MODULE_SUPPORTED_DEVICE("{{Conexant,23881},"
- "{{Conexant,23882},"
- "{{Conexant,23883}");
+MODULE_SUPPORTED_DEVICE("{{Trident,tm5600},"
+ "{{Trident,tm6000}");
static unsigned int debug;
-module_param(debug,int,0644);
-MODULE_PARM_DESC(debug,"enable debug messages");
+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)
+static int _tm6000_start_audio_dma(struct snd_tm6000_card *chip)
{
- struct cx88_buffer *buf = chip->buf;
- struct cx88_core *core=chip->core;
- 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);
+ struct tm6000_core *core = chip->core;
+ int val;
- /* reset counter */
- cx_write(MO_AUDD_GPCNTRL, GP_COUNT_CONTROL_RESET);
- atomic_set(&chip->count, 0);
+ /* Enables audio */
+ val = tm6000_get_reg(core, REQ_07_SET_GET_AVREG, 0xcc, 0x0);
+ val |= 0x20;
+ tm6000_set_reg(core, REQ_07_SET_GET_AVREG, 0xcc, val);
- 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);
+ tm6000_set_reg(core, REQ_08_SET_GET_AVREG_BIT, 0x01, 0x80);
return 0;
}
/*
* BOARD Specific: Resets audio DMA
*/
-static int _cx88_stop_audio_dma(snd_cx88_card_t *chip)
+static int _tm6000_stop_audio_dma(struct snd_tm6000_card *chip)
{
- struct cx88_core *core=chip->core;
+ struct tm6000_core *core = chip->core;
+ int val;
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);
+ /* Enables audio */
+ val = tm6000_get_reg(core, REQ_07_SET_GET_AVREG, 0xcc, 0x0);
+ val &= ~0x20;
+ tm6000_set_reg(core, REQ_07_SET_GET_AVREG, 0xcc, val);
- if (debug)
- cx88_sram_channel_dump(chip->core, &cx88_sram_channels[SRAM_CH25]);
+ tm6000_set_reg(core, REQ_08_SET_GET_AVREG_BIT, 0x01, 0);
return 0;
}
-#define MAX_IRQ_LOOP 50
-
-/*
- * BOARD Specific: IRQ dma bits
- */
-static 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)
+static int dsp_buffer_free(struct snd_tm6000_card *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);
- }
+ BUG_ON(!chip->bufsize);
- 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");
- dprintk(2,"Freeing buffer\n");
- videobuf_pci_dma_unmap(chip->pci, chip->dma_risc);
- videobuf_dma_free(chip->dma_risc);
- btcx_riscmem_free(chip->pci,&chip->buf->risc);
- kfree(chip->buf);
+ /* FIXME: Frees buffer */
- chip->dma_risc = NULL;
- chip->dma_size = 0;
+ chip->bufsize = 0;
- return 0;
+ return 0;
}
/****************************************************************************
* Digital hardware definition
*/
#define DEFAULT_FIFO_SIZE 4096
-static struct snd_pcm_hardware snd_cx88_digital_hw = {
+
+static struct snd_pcm_hardware snd_tm6000_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,
+ .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
+ .rate_min = 44100,
.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,
/*
* audio pcm capture open callback
*/
-static int snd_cx88_pcm_open(struct snd_pcm_substream *substream)
+static int snd_tm6000_pcm_open(struct snd_pcm_substream *substream)
{
- snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);
+ struct snd_tm6000_card *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
int err;
- err = snd_pcm_hw_constraint_pow2(runtime, 0, SNDRV_PCM_HW_PARAM_PERIODS);
+ 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;
- }
+ runtime->hw = snd_tm6000_digital_hw;
return 0;
_error:
- dprintk(1,"Error opening PCM!\n");
+ dprintk(1, "Error opening PCM!\n");
return err;
}
/*
* audio close callback
*/
-static int snd_cx88_close(struct snd_pcm_substream *substream)
+static int snd_tm6000_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)
+static int snd_tm6000_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_buffer *buf;
- int ret;
+ struct snd_tm6000_card *chip = snd_pcm_substream_chip(substream);
if (substream->runtime->dma_area) {
dsp_buffer_free(chip);
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 = videobuf_pci_alloc(sizeof(*buf));
- if (NULL == buf)
- return -ENOMEM;
-
- buf->vb.memory = V4L2_MEMORY_MMAP;
- buf->vb.field = V4L2_FIELD_NONE;
- buf->vb.width = chip->period_size;
- buf->bpl = chip->period_size;
- buf->vb.height = chip->num_periods;
- buf->vb.size = chip->dma_size;
-
- dma=videobuf_to_dma(&buf->vb);
- videobuf_dma_init(dma);
- ret = videobuf_dma_init_kernel(dma, PCI_DMA_FROMDEVICE,
- (PAGE_ALIGN(buf->vb.size) >> PAGE_SHIFT));
- if (ret < 0)
- goto error;
-
- ret = videobuf_pci_dma_map(chip->pci,dma);
- if (ret < 0)
- goto error;
-
- ret = cx88_risc_databuffer(chip->pci, &buf->risc, dma->sglist,
- buf->vb.width, buf->vb.height, 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);
-
- buf->vb.state = VIDEOBUF_PREPARED;
-
- chip->buf = buf;
- chip->dma_risc = dma;
-
- substream->runtime->dma_area = chip->dma_risc->vmalloc;
- substream->runtime->dma_bytes = chip->dma_size;
- substream->runtime->dma_addr = 0;
- return 0;
+ chip->bufsize = chip->period_size * params_periods(hw_params);
+
+ BUG_ON(!chip->bufsize);
+
+ dprintk(1, "Setting buffer\n");
-error:
- kfree(buf);
- return ret;
+ /* FIXME: Allocate buffer for audio */
+
+
+ return 0;
}
/*
* hw free callback
*/
-static int snd_cx88_hw_free(struct snd_pcm_substream * substream)
+static int snd_tm6000_hw_free(struct snd_pcm_substream *substream)
{
- snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);
+ struct snd_tm6000_card *chip = snd_pcm_substream_chip(substream);
if (substream->runtime->dma_area) {
dsp_buffer_free(chip);
/*
* prepare callback
*/
-static int snd_cx88_prepare(struct snd_pcm_substream *substream)
+static int snd_tm6000_prepare(struct snd_pcm_substream *substream)
{
return 0;
}
+
/*
* trigger callback
*/
-static int snd_cx88_card_trigger(struct snd_pcm_substream *substream, int cmd)
+static int snd_tm6000_card_trigger(struct snd_pcm_substream *substream, int cmd)
{
- snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);
+ struct snd_tm6000_card *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);
+ err = _tm6000_start_audio_dma(chip);
break;
case SNDRV_PCM_TRIGGER_STOP:
- err=_cx88_stop_audio_dma(chip);
+ err = _tm6000_stop_audio_dma(chip);
break;
default:
- err=-EINVAL;
+ err = -EINVAL;
break;
}
/*
* pointer callback
*/
-static snd_pcm_uframes_t snd_cx88_pointer(struct snd_pcm_substream *substream)
+static snd_pcm_uframes_t snd_tm6000_pointer(struct snd_pcm_substream *substream)
{
- snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);
+ struct snd_tm6000_card *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", __FUNCTION__,
-// 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,
+static struct snd_pcm_ops snd_tm6000_pcm_ops = {
+ .open = snd_tm6000_pcm_open,
+ .close = snd_tm6000_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,
+ .hw_params = snd_tm6000_hw_params,
+ .hw_free = snd_tm6000_hw_free,
+ .prepare = snd_tm6000_prepare,
+ .trigger = snd_tm6000_card_trigger,
+ .pointer = snd_tm6000_pointer,
};
/*
* create a PCM device
*/
-static int __devinit snd_cx88_pcm(snd_cx88_card_t *chip, int device, char *name)
+static int __devinit snd_tm6000_pcm(struct snd_tm6000_card *chip,
+ int device, char *name)
{
int err;
struct snd_pcm *pcm;
return err;
pcm->private_data = chip;
strcpy(pcm->name, name);
- snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_cx88_pcm_ops);
+ snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_tm6000_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;
-}
-
-/* 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 v, b;
- int changed = 0;
- u32 old;
-
- b = value->value.integer.value[1] - value->value.integer.value[0];
- if (b < 0) {
- v = 0x3f - value->value.integer.value[0];
- b = (-b) | 0x40;
- } else {
- v = 0x3f - value->value.integer.value[1];
- }
- /* 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_write(AUD_VOL_CTL, (old & ~0x3f) | v);
- changed = 1;
- }
- if (cx_read(AUD_BAL_CTL) != 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 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 = "Playback 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_write(AUD_VOL_CTL, vol);
- ret = 1;
- }
- spin_unlock_irq(&chip->reg_lock);
- return ret;
-}
-
-static struct snd_kcontrol_new snd_cx88_dac_switch = {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .name = "Playback Switch",
- .info = snd_ctl_boolean_mono_info,
- .get = snd_cx88_switch_get,
- .put = snd_cx88_switch_put,
- .private_value = (1<<8),
-};
-
-static struct snd_kcontrol_new snd_cx88_source_switch = {
- .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .name = "Capture Switch",
- .info = snd_ctl_boolean_mono_info,
- .get = snd_cx88_switch_get,
- .put = snd_cx88_switch_put,
- .private_value = (1<<6),
-};
+/* FIXME: Control interface - How to control volume/mute? */
/****************************************************************************
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 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){
- synchronize_irq(chip->irq);
- 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)
+static void snd_tm6000_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)
-{
- 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 = (snd_cx88_card_t *) card->private_data;
-
- core = cx88_core_get(pci);
- if (NULL == core) {
- err = -EINVAL;
- kfree (chip);
- return err;
- }
-
- if (!pci_dma_supported(pci,DMA_32BIT_MASK)) {
- 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;
-
- return 0;
-}
-
-static int __devinit cx88_audio_initdev(struct pci_dev *pci,
- const struct pci_device_id *pci_id)
+/* FIXME: initialize -alsa driver */
+static int tm6000_audio_init(void)
{
- struct snd_card *card;
- snd_cx88_card_t *chip;
- int err;
-
- if (devno >= SNDRV_CARDS)
- return (-ENODEV);
-
- if (!enable[devno]) {
- ++devno;
- return (-ENOENT);
- }
-
- card = snd_card_new(index[devno], id[devno], THIS_MODULE, sizeof(snd_cx88_card_t));
- if (!card)
- return (-ENOMEM);
-
- card->private_free = snd_cx88_dev_free;
-
- err = snd_cx88_create(card, pci, &chip);
- if (err < 0)
- return (err);
-
- 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;
+ printk("tm6000-alsa not ready yet\n");
- 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 = cx88_audio_finidev,
-};
-
-/****************************************************************************
- LINUX MODULE INIT
- ****************************************************************************/
-
-/*
- * module init
- */
-static int cx88_audio_init(void)
-{
- printk(KERN_INFO "cx2388x alsa driver version %d.%d.%d loaded\n",
- (CX88_VERSION_CODE >> 16) & 0xff,
- (CX88_VERSION_CODE >> 8) & 0xff,
- CX88_VERSION_CODE & 0xff);
-#ifdef SNAPSHOT
- printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
- SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
-#endif
- return pci_register_driver(&cx88_audio_pci_driver);
}
/*
* module remove
*/
-static void cx88_audio_fini(void)
+static void tm6000_audio_fini(void)
{
-
- pci_unregister_driver(&cx88_audio_pci_driver);
}
-module_init(cx88_audio_init);
-module_exit(cx88_audio_fini);
-
-/* ----------------------------------------------------------- */
-/*
- * Local variables:
- * c-basic-offset: 8
- * End:
- */
+module_init(tm6000_audio_init);
+module_exit(tm6000_audio_fini);
projects / openwrt / staging / blogic.git / commitdiff