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Commit 7ca30c52 authored by Mauro Carvalho Chehab's avatar Mauro Carvalho Chehab
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V4L/DVB (12831): tm6000: Convert cx88-alsa into tm6000-alsa 

- Remove cx88 specific setups;
- Add tm6000 specific start/stop commands;
- Do CodingStyle cleanups.
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent d72d5067
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Showing with 101 additions and 648 deletions
drivers/staging/tm6000/tm6000-alsa.c
View file @ 7ca30c52
/* /*
* *
* Support for audio capture * Support for audio capture for tm5600/6000
* PCI function #1 of the cx2388x. * (c) 2007-2008 Mauro Carvalho Chehab <mchehab@redhat.com>
* *
* (c) 2007 Trent Piepho <xyzzy@speakeasy.org> * Based on cx88-alsa.c
* (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>
* *
* This program is free software; you can redistribute it and/or modify * 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 * it under the terms of the GNU General Public License version 2 as
* the Free Software Foundation; either version 2 of the License, or * published by the Free Software Foundation.
* (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/module.h>
#include <linux/init.h> #include <linux/init.h>
#include <linux/device.h> #include <linux/device.h>
#include <linux/interrupt.h> #include <linux/interrupt.h>
#include <linux/vmalloc.h>
#include <linux/dma-mapping.h> #include <linux/dma-mapping.h>
#include <linux/pci.h>
#include <asm/delay.h> #include <asm/delay.h>
#include <sound/driver.h> #include <sound/driver.h>
...@@ -39,49 +23,39 @@ ...@@ -39,49 +23,39 @@
#include <sound/pcm_params.h> #include <sound/pcm_params.h>
#include <sound/control.h> #include <sound/control.h>
#include <sound/initval.h> #include <sound/initval.h>
#include <sound/tlv.h>
#include "cx88.h"
#include "cx88-reg.h"
#define dprintk(level,fmt, arg...) if (debug >= level) \ #include "tm6000.h"
printk(KERN_INFO "%s/1: " fmt, chip->core->name , ## arg) #include "tm6000-regs.h"
#undef dprintk
#define dprintk_core(level,fmt, arg...) if (debug >= level) \ #define dprintk(level, fmt, arg...) do { \
printk(KERN_DEBUG "%s/1: " fmt, chip->core->name , ## arg) 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 Data type declarations - Can be moded to a header file later
****************************************************************************/ ****************************************************************************/
struct cx88_audio_dev { struct snd_tm6000_card {
struct cx88_core *core;
struct cx88_dmaqueue q;
/* pci i/o */
struct pci_dev *pci;
/* audio controls */
int irq;
struct snd_card *card; struct snd_card *card;
spinlock_t reg_lock; spinlock_t reg_lock;
atomic_t count; atomic_t count;
unsigned int dma_size;
unsigned int period_size; unsigned int period_size;
unsigned int num_periods; 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;
/**************************************************************************** /****************************************************************************
...@@ -89,30 +63,27 @@ typedef struct cx88_audio_dev snd_cx88_card_t; ...@@ -89,30 +63,27 @@ typedef struct cx88_audio_dev snd_cx88_card_t;
****************************************************************************/ ****************************************************************************/
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */ 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}; static int enable[SNDRV_CARDS] = {1, [1 ... (SNDRV_CARDS - 1)] = 1};
module_param_array(enable, bool, NULL, 0444); 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_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 macros
****************************************************************************/ ****************************************************************************/
MODULE_DESCRIPTION("ALSA driver module for cx2388x based TV cards"); MODULE_DESCRIPTION("ALSA driver module for tm5600/tm6000 based TV cards");
MODULE_AUTHOR("Ricardo Cerqueira");
MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>"); MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
MODULE_LICENSE("GPL"); MODULE_LICENSE("GPL");
MODULE_SUPPORTED_DEVICE("{{Conexant,23881}," MODULE_SUPPORTED_DEVICE("{{Trident,tm5600},"
"{{Conexant,23882}," "{{Trident,tm6000}");
"{{Conexant,23883}");
static unsigned int debug; static unsigned int debug;
module_param(debug,int,0644); module_param(debug, int, 0644);
MODULE_PARM_DESC(debug,"enable debug messages"); MODULE_PARM_DESC(debug, "enable debug messages");
/**************************************************************************** /****************************************************************************
Module specific funtions Module specific funtions
...@@ -122,45 +93,17 @@ MODULE_PARM_DESC(debug,"enable debug messages"); ...@@ -122,45 +93,17 @@ MODULE_PARM_DESC(debug,"enable debug messages");
* BOARD Specific: Sets audio DMA * 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 tm6000_core *core = chip->core;
struct cx88_core *core=chip->core; int val;
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 */ /* Enables audio */
cx_write(MO_AUDD_GPCNTRL, GP_COUNT_CONTROL_RESET); val = tm6000_get_reg(core, REQ_07_SET_GET_AVREG, 0xcc, 0x0);
atomic_set(&chip->count, 0); 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 " tm6000_set_reg(core, REQ_08_SET_GET_AVREG_BIT, 0x01, 0x80);
"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; return 0;
} }
...@@ -168,129 +111,31 @@ static int _cx88_start_audio_dma(snd_cx88_card_t *chip) ...@@ -168,129 +111,31 @@ static int _cx88_start_audio_dma(snd_cx88_card_t *chip)
/* /*
* BOARD Specific: Resets audio DMA * 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"); dprintk(1, "Stopping audio DMA\n");
/* stop dma */ /* Enables audio */
cx_clear(MO_AUD_DMACNTRL, 0x11); val = tm6000_get_reg(core, REQ_07_SET_GET_AVREG, 0xcc, 0x0);
val &= ~0x20;
/* disable irqs */ tm6000_set_reg(core, REQ_07_SET_GET_AVREG, 0xcc, val);
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) tm6000_set_reg(core, REQ_08_SET_GET_AVREG_BIT, 0x01, 0);
cx88_sram_channel_dump(chip->core, &cx88_sram_channels[SRAM_CH25]);
return 0; return 0;
} }
#define MAX_IRQ_LOOP 50 static int dsp_buffer_free(struct snd_tm6000_card *chip)
/*
* 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)
{
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; BUG_ON(!chip->bufsize);
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) { dprintk(2, "Freeing buffer\n");
printk(KERN_ERR
"%s/1: IRQ loop detected, disabling interrupts\n",
core->name);
cx_clear(MO_PCI_INTMSK, PCI_INT_AUDINT);
}
out: /* FIXME: Frees buffer */
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_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);
chip->dma_risc = NULL; chip->bufsize = 0;
chip->dma_size = 0;
return 0; return 0;
} }
...@@ -303,20 +148,19 @@ static int dsp_buffer_free(snd_cx88_card_t *chip) ...@@ -303,20 +148,19 @@ static int dsp_buffer_free(snd_cx88_card_t *chip)
* Digital hardware definition * Digital hardware definition
*/ */
#define DEFAULT_FIFO_SIZE 4096 #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 | .info = SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_BLOCK_TRANSFER |
SNDRV_PCM_INFO_MMAP_VALID, SNDRV_PCM_INFO_MMAP_VALID,
.formats = SNDRV_PCM_FMTBIT_S16_LE, .formats = SNDRV_PCM_FMTBIT_S16_LE,
.rates = SNDRV_PCM_RATE_48000, .rates = SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000,
.rate_min = 48000, .rate_min = 44100,
.rate_max = 48000, .rate_max = 48000,
.channels_min = 2, .channels_min = 2,
.channels_max = 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_min = DEFAULT_FIFO_SIZE/4,
.period_bytes_max = DEFAULT_FIFO_SIZE/4, .period_bytes_max = DEFAULT_FIFO_SIZE/4,
.periods_min = 1, .periods_min = 1,
...@@ -327,37 +171,31 @@ static struct snd_pcm_hardware snd_cx88_digital_hw = { ...@@ -327,37 +171,31 @@ static struct snd_pcm_hardware snd_cx88_digital_hw = {
/* /*
* audio pcm capture open callback * 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; struct snd_pcm_runtime *runtime = substream->runtime;
int err; 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) if (err < 0)
goto _error; goto _error;
chip->substream = substream; chip->substream = substream;
runtime->hw = snd_cx88_digital_hw; runtime->hw = snd_tm6000_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; return 0;
_error: _error:
dprintk(1,"Error opening PCM!\n"); dprintk(1, "Error opening PCM!\n");
return err; return err;
} }
/* /*
* audio close callback * 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; return 0;
} }
...@@ -365,14 +203,10 @@ static int snd_cx88_close(struct snd_pcm_substream *substream) ...@@ -365,14 +203,10 @@ static int snd_cx88_close(struct snd_pcm_substream *substream)
/* /*
* hw_params callback * hw_params callback
*/ */
static int snd_cx88_hw_params(struct snd_pcm_substream * substream, static int snd_tm6000_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params * hw_params) struct snd_pcm_hw_params *hw_params)
{ {
snd_cx88_card_t *chip = snd_pcm_substream_chip(substream); struct snd_tm6000_card *chip = snd_pcm_substream_chip(substream);
struct videobuf_dmabuf *dma;
struct cx88_buffer *buf;
int ret;
if (substream->runtime->dma_area) { if (substream->runtime->dma_area) {
dsp_buffer_free(chip); dsp_buffer_free(chip);
...@@ -381,64 +215,25 @@ static int snd_cx88_hw_params(struct snd_pcm_substream * substream, ...@@ -381,64 +215,25 @@ static int snd_cx88_hw_params(struct snd_pcm_substream * substream,
chip->period_size = params_period_bytes(hw_params); chip->period_size = params_period_bytes(hw_params);
chip->num_periods = params_periods(hw_params); chip->num_periods = params_periods(hw_params);
chip->dma_size = chip->period_size * params_periods(hw_params); chip->bufsize = chip->period_size * params_periods(hw_params);
BUG_ON(!chip->dma_size); BUG_ON(!chip->bufsize);
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;
error: dprintk(1, "Setting buffer\n");
kfree(buf);
return ret; /* FIXME: Allocate buffer for audio */
return 0;
} }
/* /*
* hw free callback * 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) { if (substream->runtime->dma_area) {
dsp_buffer_free(chip); dsp_buffer_free(chip);
...@@ -451,31 +246,31 @@ static int snd_cx88_hw_free(struct snd_pcm_substream * substream) ...@@ -451,31 +246,31 @@ static int snd_cx88_hw_free(struct snd_pcm_substream * substream)
/* /*
* prepare callback * prepare callback
*/ */
static int snd_cx88_prepare(struct snd_pcm_substream *substream) static int snd_tm6000_prepare(struct snd_pcm_substream *substream)
{ {
return 0; return 0;
} }
/* /*
* trigger callback * 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; int err;
/* Local interrupts are already disabled by ALSA */
spin_lock(&chip->reg_lock); spin_lock(&chip->reg_lock);
switch (cmd) { switch (cmd) {
case SNDRV_PCM_TRIGGER_START: case SNDRV_PCM_TRIGGER_START:
err=_cx88_start_audio_dma(chip); err = _tm6000_start_audio_dma(chip);
break; break;
case SNDRV_PCM_TRIGGER_STOP: case SNDRV_PCM_TRIGGER_STOP:
err=_cx88_stop_audio_dma(chip); err = _tm6000_stop_audio_dma(chip);
break; break;
default: default:
err=-EINVAL; err = -EINVAL;
break; break;
} }
...@@ -487,49 +282,36 @@ static int snd_cx88_card_trigger(struct snd_pcm_substream *substream, int cmd) ...@@ -487,49 +282,36 @@ static int snd_cx88_card_trigger(struct snd_pcm_substream *substream, int cmd)
/* /*
* pointer callback * 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; struct snd_pcm_runtime *runtime = substream->runtime;
u16 count; u16 count;
count = atomic_read(&chip->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)); 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 * operators
*/ */
static struct snd_pcm_ops snd_cx88_pcm_ops = { static struct snd_pcm_ops snd_tm6000_pcm_ops = {
.open = snd_cx88_pcm_open, .open = snd_tm6000_pcm_open,
.close = snd_cx88_close, .close = snd_tm6000_close,
.ioctl = snd_pcm_lib_ioctl, .ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_cx88_hw_params, .hw_params = snd_tm6000_hw_params,
.hw_free = snd_cx88_hw_free, .hw_free = snd_tm6000_hw_free,
.prepare = snd_cx88_prepare, .prepare = snd_tm6000_prepare,
.trigger = snd_cx88_card_trigger, .trigger = snd_tm6000_card_trigger,
.pointer = snd_cx88_pointer, .pointer = snd_tm6000_pointer,
.page = snd_cx88_page,
}; };
/* /*
* create a PCM device * 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; int err;
struct snd_pcm *pcm; struct snd_pcm *pcm;
...@@ -539,177 +321,23 @@ static int __devinit snd_cx88_pcm(snd_cx88_card_t *chip, int device, char *name) ...@@ -539,177 +321,23 @@ static int __devinit snd_cx88_pcm(snd_cx88_card_t *chip, int device, char *name)
return err; return err;
pcm->private_data = chip; pcm->private_data = chip;
strcpy(pcm->name, name); 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; return 0;
} }
/**************************************************************************** /* FIXME: Control interface - How to control volume/mute? */
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),
};
/**************************************************************************** /****************************************************************************
Basic Flow for Sound Devices 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 * 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);
} }
...@@ -717,196 +345,21 @@ static void snd_cx88_dev_free(struct snd_card * card) ...@@ -717,196 +345,21 @@ static void snd_cx88_dev_free(struct snd_card * card)
* Alsa Constructor - Component probe * 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, /* FIXME: initialize -alsa driver */
const struct pci_device_id *pci_id) static int tm6000_audio_init(void)
{ {
struct snd_card *card; printk("tm6000-alsa not ready yet\n");
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;
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; 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 * 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_init(tm6000_audio_init);
module_exit(cx88_audio_fini); module_exit(tm6000_audio_fini);
/* ----------------------------------------------------------- */
/*
* Local variables:
* c-basic-offset: 8
* End:
*/
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