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path: root/drivers/media/pci/cx88/cx88-alsa.c
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Diffstat (limited to 'drivers/media/pci/cx88/cx88-alsa.c')
-rw-r--r--drivers/media/pci/cx88/cx88-alsa.c304
1 files changed, 149 insertions, 155 deletions
diff --git a/drivers/media/pci/cx88/cx88-alsa.c b/drivers/media/pci/cx88/cx88-alsa.c
index 723f06462104..c81fe4681d14 100644
--- a/drivers/media/pci/cx88/cx88-alsa.c
+++ b/drivers/media/pci/cx88/cx88-alsa.c
@@ -1,5 +1,4 @@
/*
- *
* Support for audio capture
* PCI function #1 of the cx2388x.
*
@@ -18,14 +17,14 @@
* 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 "cx88.h"
+#include "cx88-reg.h"
+
#include <linux/module.h>
#include <linux/init.h>
+#include <linux/delay.h>
#include <linux/device.h>
#include <linux/interrupt.h>
#include <linux/vmalloc.h>
@@ -33,7 +32,6 @@
#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>
@@ -42,22 +40,15 @@
#include <sound/tlv.h>
#include <media/i2c/wm8775.h>
-#include "cx88.h"
-#include "cx88-reg.h"
-
#define dprintk(level, fmt, arg...) do { \
if (debug + 1 > level) \
- printk(KERN_INFO "%s/1: " fmt, chip->core->name , ## arg);\
-} while(0)
-
-#define dprintk_core(level, fmt, arg...) do { \
- if (debug + 1 > level) \
- printk(KERN_DEBUG "%s/1: " fmt, chip->core->name , ## arg);\
-} while(0)
+ printk(KERN_DEBUG pr_fmt("%s: alsa: " fmt), \
+ chip->core->name, ##arg); \
+} while (0)
-/****************************************************************************
- Data type declarations - Can be moded to a header file later
- ****************************************************************************/
+/*
+ * Data type declarations - Can be moded to a header file later
+ */
struct cx88_audio_buffer {
unsigned int bpl;
@@ -91,13 +82,10 @@ struct cx88_audio_dev {
struct snd_pcm_substream *substream;
};
-typedef struct cx88_audio_dev snd_cx88_card_t;
-
-
-/****************************************************************************
- Module global static vars
- ****************************************************************************/
+/*
+ * 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 */
@@ -109,10 +97,9 @@ 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 macros
+ */
MODULE_DESCRIPTION("ALSA driver module for cx2388x based TV cards");
MODULE_AUTHOR("Ricardo Cerqueira");
@@ -120,25 +107,23 @@ MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@infradead.org>");
MODULE_LICENSE("GPL");
MODULE_VERSION(CX88_VERSION);
-MODULE_SUPPORTED_DEVICE("{{Conexant,23881},"
- "{{Conexant,23882},"
- "{{Conexant,23883}");
+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_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "enable debug messages");
-/****************************************************************************
- Module specific funtions
- ****************************************************************************/
+/*
+ * Module specific functions
+ */
/*
* BOARD Specific: Sets audio DMA
*/
-static int _cx88_start_audio_dma(snd_cx88_card_t *chip)
+static int _cx88_start_audio_dma(struct cx88_audio_dev *chip)
{
struct cx88_audio_buffer *buf = chip->buf;
- struct cx88_core *core=chip->core;
+ 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 */
@@ -154,8 +139,9 @@ static int _cx88_start_audio_dma(snd_cx88_card_t *chip)
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,
+ 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 */
@@ -169,8 +155,11 @@ static int _cx88_start_audio_dma(snd_cx88_card_t *chip)
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 */
+
+ /* Enables Risc Processor */
+ cx_set(MO_DEV_CNTRL2, (1 << 5));
+ /* audio downstream FIFO and RISC enable */
+ cx_set(MO_AUD_DMACNTRL, 0x11);
if (debug)
cx88_sram_channel_dump(chip->core, audio_ch);
@@ -181,9 +170,10 @@ static int _cx88_start_audio_dma(snd_cx88_card_t *chip)
/*
* BOARD Specific: Resets audio DMA
*/
-static int _cx88_stop_audio_dma(snd_cx88_card_t *chip)
+static int _cx88_stop_audio_dma(struct cx88_audio_dev *chip)
{
- struct cx88_core *core=chip->core;
+ struct cx88_core *core = chip->core;
+
dprintk(1, "Stopping audio DMA\n");
/* stop dma */
@@ -195,7 +185,8 @@ static int _cx88_stop_audio_dma(snd_cx88_card_t *chip)
AUD_INT_DN_RISCI2 | AUD_INT_DN_RISCI1);
if (debug)
- cx88_sram_channel_dump(chip->core, &cx88_sram_channels[SRAM_CH25]);
+ cx88_sram_channel_dump(chip->core,
+ &cx88_sram_channels[SRAM_CH25]);
return 0;
}
@@ -221,7 +212,7 @@ static const char *cx88_aud_irqs[32] = {
/*
* BOARD Specific: Threats IRQ audio specific calls
*/
-static void cx8801_aud_irq(snd_cx88_card_t *chip)
+static void cx8801_aud_irq(struct cx88_audio_dev *chip)
{
struct cx88_core *core = chip->core;
u32 status, mask;
@@ -232,12 +223,12 @@ static void cx8801_aud_irq(snd_cx88_card_t *chip)
return;
cx_write(MO_AUD_INTSTAT, status);
if (debug > 1 || (status & mask & ~0xff))
- cx88_print_irqbits(core->name, "irq aud",
+ cx88_print_irqbits("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);
+ pr_warn("Audio risc op code error\n");
cx_clear(MO_AUD_DMACNTRL, 0x11);
cx88_sram_channel_dump(core, &cx88_sram_channels[SRAM_CH25]);
}
@@ -259,7 +250,7 @@ static void cx8801_aud_irq(snd_cx88_card_t *chip)
*/
static irqreturn_t cx8801_irq(int irq, void *dev_id)
{
- snd_cx88_card_t *chip = dev_id;
+ struct cx88_audio_dev *chip = dev_id;
struct cx88_core *core = chip->core;
u32 status;
int loop, handled = 0;
@@ -267,7 +258,7 @@ static irqreturn_t cx8801_irq(int irq, void *dev_id)
for (loop = 0; loop < MAX_IRQ_LOOP; loop++) {
status = cx_read(MO_PCI_INTSTAT) &
(core->pci_irqmask | PCI_INT_AUDINT);
- if (0 == status)
+ if (status == 0)
goto out;
dprintk(3, "cx8801_irq loop %d/%d, status %x\n",
loop, MAX_IRQ_LOOP, status);
@@ -280,10 +271,8 @@ static irqreturn_t cx8801_irq(int irq, void *dev_id)
cx8801_aud_irq(chip);
}
- if (MAX_IRQ_LOOP == loop) {
- printk(KERN_ERR
- "%s/1: IRQ loop detected, disabling interrupts\n",
- core->name);
+ if (loop == MAX_IRQ_LOOP) {
+ pr_err("IRQ loop detected, disabling interrupts\n");
cx_clear(MO_PCI_INTMSK, PCI_INT_AUDINT);
}
@@ -298,26 +287,25 @@ static int cx88_alsa_dma_init(struct cx88_audio_dev *chip, int nr_pages)
int i;
buf->vaddr = vmalloc_32(nr_pages << PAGE_SHIFT);
- if (NULL == buf->vaddr) {
+ if (!buf->vaddr) {
dprintk(1, "vmalloc_32(%d pages) failed\n", nr_pages);
return -ENOMEM;
}
dprintk(1, "vmalloc is at addr 0x%08lx, size=%d\n",
- (unsigned long)buf->vaddr,
- nr_pages << PAGE_SHIFT);
+ (unsigned long)buf->vaddr, nr_pages << PAGE_SHIFT);
memset(buf->vaddr, 0, nr_pages << PAGE_SHIFT);
buf->nr_pages = nr_pages;
buf->sglist = vzalloc(buf->nr_pages * sizeof(*buf->sglist));
- if (NULL == buf->sglist)
+ if (!buf->sglist)
goto vzalloc_err;
sg_init_table(buf->sglist, buf->nr_pages);
for (i = 0; i < buf->nr_pages; i++) {
pg = vmalloc_to_page(buf->vaddr + i * PAGE_SIZE);
- if (NULL == pg)
+ if (!pg)
goto vmalloc_to_page_err;
sg_set_page(&buf->sglist[i], pg, PAGE_SIZE, 0);
}
@@ -339,7 +327,7 @@ static int cx88_alsa_dma_map(struct cx88_audio_dev *dev)
buf->sglen = dma_map_sg(&dev->pci->dev, buf->sglist,
buf->nr_pages, PCI_DMA_FROMDEVICE);
- if (0 == buf->sglen) {
+ if (buf->sglen == 0) {
pr_warn("%s: cx88_alsa_map_sg failed\n", __func__);
return -ENOMEM;
}
@@ -353,7 +341,8 @@ static int cx88_alsa_dma_unmap(struct cx88_audio_dev *dev)
if (!buf->sglen)
return 0;
- dma_unmap_sg(&dev->pci->dev, buf->sglist, buf->sglen, PCI_DMA_FROMDEVICE);
+ dma_unmap_sg(&dev->pci->dev, buf->sglist, buf->sglen,
+ PCI_DMA_FROMDEVICE);
buf->sglen = 0;
return 0;
}
@@ -367,18 +356,18 @@ static int cx88_alsa_dma_free(struct cx88_audio_buffer *buf)
return 0;
}
-
-static int dsp_buffer_free(snd_cx88_card_t *chip)
+static int dsp_buffer_free(struct cx88_audio_dev *chip)
{
struct cx88_riscmem *risc = &chip->buf->risc;
- BUG_ON(!chip->dma_size);
+ WARN_ON(!chip->dma_size);
- dprintk(2,"Freeing buffer\n");
+ dprintk(2, "Freeing buffer\n");
cx88_alsa_dma_unmap(chip);
cx88_alsa_dma_free(chip->buf);
if (risc->cpu)
- pci_free_consistent(chip->pci, risc->size, risc->cpu, risc->dma);
+ pci_free_consistent(chip->pci, risc->size,
+ risc->cpu, risc->dma);
kfree(chip->buf);
chip->buf = NULL;
@@ -386,9 +375,9 @@ static int dsp_buffer_free(snd_cx88_card_t *chip)
return 0;
}
-/****************************************************************************
- ALSA PCM Interface
- ****************************************************************************/
+/*
+ * ALSA PCM Interface
+ */
/*
* Digital hardware definition
@@ -406,13 +395,15 @@ static const struct snd_pcm_hardware snd_cx88_digital_hw = {
.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,
+ /*
+ * 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),
+ .buffer_bytes_max = (1024 * 1024),
};
/*
@@ -420,17 +411,17 @@ static const struct snd_pcm_hardware snd_cx88_digital_hw = {
*/
static int snd_cx88_pcm_open(struct snd_pcm_substream *substream)
{
- snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);
+ struct cx88_audio_dev *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");
+ pr_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);
+ err = snd_pcm_hw_constraint_pow2(runtime, 0,
+ SNDRV_PCM_HW_PARAM_PERIODS);
if (err < 0)
goto _error;
@@ -440,6 +431,7 @@ static int snd_cx88_pcm_open(struct snd_pcm_substream *substream)
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;
@@ -447,7 +439,7 @@ static int snd_cx88_pcm_open(struct snd_pcm_substream *substream)
return 0;
_error:
- dprintk(1,"Error opening PCM!\n");
+ dprintk(1, "Error opening PCM!\n");
return err;
}
@@ -462,10 +454,10 @@ static int snd_cx88_close(struct snd_pcm_substream *substream)
/*
* hw_params callback
*/
-static int snd_cx88_hw_params(struct snd_pcm_substream * substream,
- struct snd_pcm_hw_params * hw_params)
+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 cx88_audio_dev *chip = snd_pcm_substream_chip(substream);
struct cx88_audio_buffer *buf;
int ret;
@@ -479,18 +471,18 @@ static int snd_cx88_hw_params(struct snd_pcm_substream * substream,
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));
+ WARN_ON(!chip->dma_size);
+ WARN_ON(chip->num_periods & (chip->num_periods - 1));
buf = kzalloc(sizeof(*buf), GFP_KERNEL);
- if (NULL == buf)
+ if (!buf)
return -ENOMEM;
chip->buf = buf;
buf->bpl = chip->period_size;
ret = cx88_alsa_dma_init(chip,
- (PAGE_ALIGN(chip->dma_size) >> PAGE_SHIFT));
+ (PAGE_ALIGN(chip->dma_size) >> PAGE_SHIFT));
if (ret < 0)
goto error;
@@ -504,7 +496,7 @@ static int snd_cx88_hw_params(struct snd_pcm_substream * substream,
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[0] = cpu_to_le32(RISC_JUMP | RISC_IRQ1 | RISC_CNT_INC);
buf->risc.jmp[1] = cpu_to_le32(buf->risc.dma);
substream->runtime->dma_area = chip->buf->vaddr;
@@ -520,10 +512,9 @@ error:
/*
* hw free callback
*/
-static int snd_cx88_hw_free(struct snd_pcm_substream * substream)
+static int snd_cx88_hw_free(struct snd_pcm_substream *substream)
{
-
- snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);
+ struct cx88_audio_dev *chip = snd_pcm_substream_chip(substream);
if (substream->runtime->dma_area) {
dsp_buffer_free(chip);
@@ -546,7 +537,7 @@ static int snd_cx88_prepare(struct snd_pcm_substream *substream)
*/
static int snd_cx88_card_trigger(struct snd_pcm_substream *substream, int cmd)
{
- snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);
+ struct cx88_audio_dev *chip = snd_pcm_substream_chip(substream);
int err;
/* Local interrupts are already disabled by ALSA */
@@ -554,13 +545,13 @@ static int snd_cx88_card_trigger(struct snd_pcm_substream *substream, int cmd)
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
- err=_cx88_start_audio_dma(chip);
+ err = _cx88_start_audio_dma(chip);
break;
case SNDRV_PCM_TRIGGER_STOP:
- err=_cx88_stop_audio_dma(chip);
+ err = _cx88_stop_audio_dma(chip);
break;
default:
- err=-EINVAL;
+ err = -EINVAL;
break;
}
@@ -574,7 +565,7 @@ static int snd_cx88_card_trigger(struct snd_pcm_substream *substream, int cmd)
*/
static snd_pcm_uframes_t snd_cx88_pointer(struct snd_pcm_substream *substream)
{
- snd_cx88_card_t *chip = snd_pcm_substream_chip(substream);
+ struct cx88_audio_dev *chip = snd_pcm_substream_chip(substream);
struct snd_pcm_runtime *runtime = substream->runtime;
u16 count;
@@ -583,16 +574,17 @@ static snd_pcm_uframes_t snd_cx88_pointer(struct snd_pcm_substream *substream)
// 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));
+ 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)
+ unsigned long offset)
{
void *pageptr = substream->runtime->dma_area + offset;
+
return vmalloc_to_page(pageptr);
}
@@ -614,7 +606,8 @@ static const struct snd_pcm_ops snd_cx88_pcm_ops = {
/*
* create a PCM device
*/
-static int snd_cx88_pcm(snd_cx88_card_t *chip, int device, const char *name)
+static int snd_cx88_pcm(struct cx88_audio_dev *chip, int device,
+ const char *name)
{
int err;
struct snd_pcm *pcm;
@@ -629,9 +622,9 @@ static int snd_cx88_pcm(snd_cx88_card_t *chip, int device, const char *name)
return 0;
}
-/****************************************************************************
- CONTROL INTERFACE
- ****************************************************************************/
+/*
+ * CONTROL INTERFACE
+ */
static int snd_cx88_volume_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *info)
{
@@ -646,8 +639,8 @@ static int snd_cx88_volume_info(struct snd_kcontrol *kcontrol,
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;
+ struct cx88_audio_dev *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);
@@ -659,9 +652,9 @@ static int snd_cx88_volume_get(struct snd_kcontrol *kcontrol,
}
static void snd_cx88_wm8775_volume_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *value)
+ struct snd_ctl_elem_value *value)
{
- snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol);
+ struct cx88_audio_dev *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];
@@ -683,8 +676,8 @@ static void snd_cx88_wm8775_volume_put(struct snd_kcontrol *kcontrol,
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;
+ struct cx88_audio_dev *chip = snd_kcontrol_chip(kcontrol);
+ struct cx88_core *core = chip->core;
int left, right, v, b;
int changed = 0;
u32 old;
@@ -733,7 +726,7 @@ static const struct snd_kcontrol_new snd_cx88_volume = {
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_audio_dev *chip = snd_kcontrol_chip(kcontrol);
struct cx88_core *core = chip->core;
u32 bit = kcontrol->private_value;
@@ -742,9 +735,9 @@ static int snd_cx88_switch_get(struct snd_kcontrol *kcontrol,
}
static int snd_cx88_switch_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *value)
+ struct snd_ctl_elem_value *value)
{
- snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol);
+ struct cx88_audio_dev *chip = snd_kcontrol_chip(kcontrol);
struct cx88_core *core = chip->core;
u32 bit = kcontrol->private_value;
int ret = 0;
@@ -756,8 +749,9 @@ static int snd_cx88_switch_put(struct snd_kcontrol *kcontrol,
vol ^= bit;
cx_swrite(SHADOW_AUD_VOL_CTL, AUD_VOL_CTL, vol);
/* Pass mute onto any WM8775 */
- if (core->sd_wm8775 && ((1<<6) == bit))
- wm8775_s_ctrl(core, V4L2_CID_AUDIO_MUTE, 0 != (vol & bit));
+ if (core->sd_wm8775 && ((1 << 6) == bit))
+ wm8775_s_ctrl(core,
+ V4L2_CID_AUDIO_MUTE, 0 != (vol & bit));
ret = 1;
}
spin_unlock_irq(&chip->reg_lock);
@@ -770,7 +764,7 @@ static const struct snd_kcontrol_new snd_cx88_dac_switch = {
.info = snd_ctl_boolean_mono_info,
.get = snd_cx88_switch_get,
.put = snd_cx88_switch_put,
- .private_value = (1<<8),
+ .private_value = (1 << 8),
};
static const struct snd_kcontrol_new snd_cx88_source_switch = {
@@ -779,13 +773,13 @@ static const struct snd_kcontrol_new snd_cx88_source_switch = {
.info = snd_ctl_boolean_mono_info,
.get = snd_cx88_switch_get,
.put = snd_cx88_switch_put,
- .private_value = (1<<6),
+ .private_value = (1 << 6),
};
static int snd_cx88_alc_get(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *value)
+ struct snd_ctl_elem_value *value)
{
- snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol);
+ struct cx88_audio_dev *chip = snd_kcontrol_chip(kcontrol);
struct cx88_core *core = chip->core;
s32 val;
@@ -795,9 +789,9 @@ static int snd_cx88_alc_get(struct snd_kcontrol *kcontrol,
}
static int snd_cx88_alc_put(struct snd_kcontrol *kcontrol,
- struct snd_ctl_elem_value *value)
+ struct snd_ctl_elem_value *value)
{
- snd_cx88_card_t *chip = snd_kcontrol_chip(kcontrol);
+ struct cx88_audio_dev *chip = snd_kcontrol_chip(kcontrol);
struct cx88_core *core = chip->core;
wm8775_s_ctrl(core, V4L2_CID_AUDIO_LOUDNESS,
@@ -813,9 +807,9 @@ static struct snd_kcontrol_new snd_cx88_alc_switch = {
.put = snd_cx88_alc_put,
};
-/****************************************************************************
- Basic Flow for Sound Devices
- ****************************************************************************/
+/*
+ * Basic Flow for Sound Devices
+ */
/*
* PCI ID Table - 14f1:8801 and 14f1:8811 means function 1: Audio
@@ -823,8 +817,8 @@ static struct snd_kcontrol_new snd_cx88_alc_switch = {
*/
static const struct pci_device_id cx88_audio_pci_tbl[] = {
- {0x14f1,0x8801,PCI_ANY_ID,PCI_ANY_ID,0,0,0},
- {0x14f1,0x8811,PCI_ANY_ID,PCI_ANY_ID,0,0,0},
+ {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);
@@ -833,13 +827,12 @@ MODULE_DEVICE_TABLE(pci, cx88_audio_pci_tbl);
* Chip-specific destructor
*/
-static int snd_cx88_free(snd_cx88_card_t *chip)
+static int snd_cx88_free(struct cx88_audio_dev *chip)
{
-
if (chip->irq >= 0)
free_irq(chip->irq, chip);
- cx88_core_put(chip->core,chip->pci);
+ cx88_core_put(chip->core, chip->pci);
pci_disable_device(chip->pci);
return 0;
@@ -848,27 +841,26 @@ static int snd_cx88_free(snd_cx88_card_t *chip)
/*
* Component Destructor
*/
-static void snd_cx88_dev_free(struct snd_card * card)
+static void snd_cx88_dev_free(struct snd_card *card)
{
- snd_cx88_card_t *chip = card->private_data;
+ struct cx88_audio_dev *chip = card->private_data;
snd_cx88_free(chip);
}
-
/*
* Alsa Constructor - Component probe
*/
static int devno;
static int snd_cx88_create(struct snd_card *card, struct pci_dev *pci,
- snd_cx88_card_t **rchip,
+ struct cx88_audio_dev **rchip,
struct cx88_core **core_ptr)
{
- snd_cx88_card_t *chip;
- struct cx88_core *core;
- int err;
- unsigned char pci_lat;
+ struct cx88_audio_dev *chip;
+ struct cx88_core *core;
+ int err;
+ unsigned char pci_lat;
*rchip = NULL;
@@ -881,19 +873,18 @@ static int snd_cx88_create(struct snd_card *card, struct pci_dev *pci,
chip = card->private_data;
core = cx88_core_get(pci);
- if (NULL == core) {
+ if (!core) {
err = -EINVAL;
return err;
}
- err = pci_set_dma_mask(pci,DMA_BIT_MASK(32));
+ err = pci_set_dma_mask(pci, DMA_BIT_MASK(32));
if (err) {
- dprintk(0, "%s/1: Oops: no 32bit PCI DMA ???\n",core->name);
+ dprintk(0, "%s/1: Oops: no 32bit PCI DMA ???\n", core->name);
cx88_core_put(core, pci);
return err;
}
-
/* pci init */
chip->card = card;
chip->pci = pci;
@@ -907,17 +898,18 @@ static int snd_cx88_create(struct snd_card *card, struct pci_dev *pci,
IRQF_SHARED, chip->core->name, chip);
if (err < 0) {
dprintk(0, "%s: can't get IRQ %d\n",
- chip->core->name, chip->pci->irq);
+ 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));
+ 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);
@@ -931,10 +923,10 @@ static int snd_cx88_create(struct snd_card *card, struct pci_dev *pci,
static int 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;
+ struct snd_card *card;
+ struct cx88_audio_dev *chip;
+ struct cx88_core *core = NULL;
+ int err;
if (devno >= SNDRV_CARDS)
return (-ENODEV);
@@ -945,7 +937,7 @@ static int cx88_audio_initdev(struct pci_dev *pci,
}
err = snd_card_new(&pci->dev, index[devno], id[devno], THIS_MODULE,
- sizeof(snd_cx88_card_t), &card);
+ sizeof(struct cx88_audio_dev), &card);
if (err < 0)
return err;
@@ -973,19 +965,20 @@ static int cx88_audio_initdev(struct pci_dev *pci,
if (core->sd_wm8775)
snd_ctl_add(card, snd_ctl_new1(&snd_cx88_alc_switch, chip));
- strcpy (card->driver, "CX88x");
+ 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");
+ 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);
+ 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);
+ pci_set_drvdata(pci, card);
devno++;
return 0;
@@ -994,6 +987,7 @@ error:
snd_card_free(card);
return err;
}
+
/*
* ALSA destructor
*/
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.