summaryrefslogtreecommitdiffstats
path: root/drivers/media/video/cx88/cx88-alsa.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/video/cx88/cx88-alsa.c')
-rw-r--r--drivers/media/video/cx88/cx88-alsa.c154
1 files changed, 114 insertions, 40 deletions
diff --git a/drivers/media/video/cx88/cx88-alsa.c b/drivers/media/video/cx88/cx88-alsa.c
index 33082c96745e..4aaa47c0eabf 100644
--- a/drivers/media/video/cx88/cx88-alsa.c
+++ b/drivers/media/video/cx88/cx88-alsa.c
@@ -40,6 +40,7 @@
#include <sound/control.h>
#include <sound/initval.h>
#include <sound/tlv.h>
+#include <media/wm8775.h>
#include "cx88.h"
#include "cx88-reg.h"
@@ -54,6 +55,12 @@
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;
@@ -75,7 +82,7 @@ struct cx88_audio_dev {
struct videobuf_dmabuf *dma_risc;
- struct cx88_buffer *buf;
+ struct cx88_audio_buffer *buf;
struct snd_pcm_substream *substream;
};
@@ -88,7 +95,7 @@ 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 const 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);
@@ -123,9 +130,9 @@ MODULE_PARM_DESC(debug,"enable debug messages");
static int _cx88_start_audio_dma(snd_cx88_card_t *chip)
{
- struct cx88_buffer *buf = chip->buf;
+ struct cx88_audio_buffer *buf = chip->buf;
struct cx88_core *core=chip->core;
- struct sram_channel *audio_ch = &cx88_sram_channels[SRAM_CH25];
+ 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);
@@ -191,7 +198,7 @@ static int _cx88_stop_audio_dma(snd_cx88_card_t *chip)
/*
* BOARD Specific: IRQ dma bits
*/
-static char *cx88_aud_irqs[32] = {
+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 */
@@ -283,7 +290,7 @@ static int dsp_buffer_free(snd_cx88_card_t *chip)
BUG_ON(!chip->dma_size);
dprintk(2,"Freeing buffer\n");
- videobuf_sg_dma_unmap(&chip->pci->dev, chip->dma_risc);
+ 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);
@@ -302,7 +309,7 @@ static int dsp_buffer_free(snd_cx88_card_t *chip)
* Digital hardware definition
*/
#define DEFAULT_FIFO_SIZE 4096
-static struct snd_pcm_hardware snd_cx88_digital_hw = {
+static const struct snd_pcm_hardware snd_cx88_digital_hw = {
.info = SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -376,7 +383,7 @@ static int snd_cx88_hw_params(struct snd_pcm_substream * substream,
snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);
struct videobuf_dmabuf *dma;
- struct cx88_buffer *buf;
+ struct cx88_audio_buffer *buf;
int ret;
if (substream->runtime->dma_area) {
@@ -391,30 +398,25 @@ static int snd_cx88_hw_params(struct snd_pcm_substream * substream,
BUG_ON(!chip->dma_size);
BUG_ON(chip->num_periods & (chip->num_periods-1));
- buf = videobuf_sg_alloc(sizeof(*buf));
+ buf = kzalloc(sizeof(*buf), GFP_KERNEL);
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;
+ buf->bpl = chip->period_size;
- dma = videobuf_to_dma(&buf->vb);
+ dma = &buf->dma;
videobuf_dma_init(dma);
ret = videobuf_dma_init_kernel(dma, PCI_DMA_FROMDEVICE,
- (PAGE_ALIGN(buf->vb.size) >> PAGE_SHIFT));
+ (PAGE_ALIGN(chip->dma_size) >> PAGE_SHIFT));
if (ret < 0)
goto error;
- ret = videobuf_sg_dma_map(&chip->pci->dev, dma);
+ ret = videobuf_dma_map(&chip->pci->dev, dma);
if (ret < 0)
goto error;
ret = cx88_risc_databuffer(chip->pci, &buf->risc, dma->sglist,
- buf->vb.width, buf->vb.height, 1);
+ chip->period_size, chip->num_periods, 1);
if (ret < 0)
goto error;
@@ -422,12 +424,10 @@ static int snd_cx88_hw_params(struct snd_pcm_substream * substream,
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_area = chip->dma_risc->vaddr;
substream->runtime->dma_bytes = chip->dma_size;
substream->runtime->dma_addr = 0;
return 0;
@@ -534,7 +534,7 @@ static struct snd_pcm_ops snd_cx88_pcm_ops = {
/*
* create a PCM device
*/
-static int __devinit snd_cx88_pcm(snd_cx88_card_t *chip, int device, char *name)
+static int __devinit snd_cx88_pcm(snd_cx88_card_t *chip, int device, const char *name)
{
int err;
struct snd_pcm *pcm;
@@ -587,26 +587,47 @@ static int snd_cx88_volume_put(struct snd_kcontrol *kcontrol,
int left, right, v, b;
int changed = 0;
u32 old;
+ struct v4l2_control client_ctl;
+
+ /* Pass volume & balance onto any WM8775 */
+ if (value->value.integer.value[0] >= value->value.integer.value[1]) {
+ v = value->value.integer.value[0] << 10;
+ b = value->value.integer.value[0] ?
+ (0x8000 * value->value.integer.value[1]) / value->value.integer.value[0] :
+ 0x8000;
+ } else {
+ v = value->value.integer.value[1] << 10;
+ b = value->value.integer.value[1] ?
+ 0xffff - (0x8000 * value->value.integer.value[0]) / value->value.integer.value[1] :
+ 0x8000;
+ }
+ client_ctl.value = v;
+ client_ctl.id = V4L2_CID_AUDIO_VOLUME;
+ call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl);
+
+ client_ctl.value = b;
+ client_ctl.id = V4L2_CID_AUDIO_BALANCE;
+ call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl);
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;
+ v = 0x3f - left;
+ b = (-b) | 0x40;
} else {
- v = 0x3f - right;
+ 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_write(AUD_VOL_CTL, (old & ~0x3f) | v);
- changed = 1;
+ cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, (old & ~0x3f) | v);
+ changed = 1;
}
- if (cx_read(AUD_BAL_CTL) != b) {
- cx_write(AUD_BAL_CTL, b);
- changed = 1;
+ if ((cx_read(AUD_BAL_CTL) & 0x7f) != b) {
+ cx_write(AUD_BAL_CTL, b);
+ changed = 1;
}
spin_unlock_irq(&chip->reg_lock);
@@ -615,11 +636,11 @@ static int snd_cx88_volume_put(struct snd_kcontrol *kcontrol,
static const DECLARE_TLV_DB_SCALE(snd_cx88_db_scale, -6300, 100, 0);
-static struct snd_kcontrol_new snd_cx88_volume = {
+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 = "Playback Volume",
+ .name = "Analog-TV Volume",
.info = snd_cx88_volume_info,
.get = snd_cx88_volume_get,
.put = snd_cx88_volume_put,
@@ -650,31 +671,74 @@ static int snd_cx88_switch_put(struct snd_kcontrol *kcontrol,
vol = cx_read(AUD_VOL_CTL);
if (value->value.integer.value[0] != !(vol & bit)) {
vol ^= bit;
- cx_write(AUD_VOL_CTL, vol);
+ cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, vol);
+ /* Pass mute onto any WM8775 */
+ if ((1<<6) == bit) {
+ struct v4l2_control client_ctl;
+ client_ctl.value = 0 != (vol & bit);
+ client_ctl.id = V4L2_CID_AUDIO_MUTE;
+ call_hw(core, WM8775_GID, core, s_ctrl, &client_ctl);
+ }
ret = 1;
}
spin_unlock_irq(&chip->reg_lock);
return ret;
}
-static struct snd_kcontrol_new snd_cx88_dac_switch = {
+static const struct snd_kcontrol_new snd_cx88_dac_switch = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .name = "Playback Switch",
+ .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 struct snd_kcontrol_new snd_cx88_source_switch = {
+static const struct snd_kcontrol_new snd_cx88_source_switch = {
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
- .name = "Capture Switch",
+ .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;
+ struct v4l2_control client_ctl;
+
+ client_ctl.id = V4L2_CID_AUDIO_LOUDNESS;
+ call_hw(core, WM8775_GID, core, g_ctrl, &client_ctl);
+ value->value.integer.value[0] = client_ctl.value ? 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;
+
+ 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
****************************************************************************/
@@ -684,7 +748,7 @@ static struct snd_kcontrol_new snd_cx88_source_switch = {
* Only boards with eeprom and byte 1 at eeprom=1 have it
*/
-static struct pci_device_id cx88_audio_pci_tbl[] __devinitdata = {
+static const struct pci_device_id const 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, }
@@ -740,7 +804,7 @@ static int __devinit snd_cx88_create(struct snd_card *card,
pci_set_master(pci);
- chip = (snd_cx88_card_t *) card->private_data;
+ chip = card->private_data;
core = cx88_core_get(pci);
if (NULL == core) {
@@ -796,6 +860,7 @@ static int __devinit cx88_audio_initdev(struct pci_dev *pci,
{
struct snd_card *card;
snd_cx88_card_t *chip;
+ struct v4l2_subdev *sd;
int err;
if (devno >= SNDRV_CARDS)
@@ -831,6 +896,15 @@ static int __devinit cx88_audio_initdev(struct pci_dev *pci,
if (err < 0)
goto error;
+ /* If there's a wm8775 then add a Line-In ALC switch */
+ list_for_each_entry(sd, &chip->core->v4l2_dev.subdevs, list) {
+ if (WM8775_GID == sd->grp_id) {
+ snd_ctl_add(card, snd_ctl_new1(&snd_cx88_alc_switch,
+ chip));
+ break;
+ }
+ }
+
strcpy (card->driver, "CX88x");
sprintf(card->shortname, "Conexant CX%x", pci->device);
sprintf(card->longname, "%s at %#llx",
generated by cgit v1.2.3-55-g7522 (git 2.39.0) at 2024-06-03 15:32:28 +0200