static int s3c_i2s_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai)
{
int ret = 0;
switch (cmd) {
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_RESUME:
break;
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
if (lpam_i2s.slave) {
ret = s3c_snd_lrsync();
if (ret)
goto exit_err;
}
s3c_snd_txctrl(1);
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
s3c_snd_txctrl(0);
break;
default:
ret = -EINVAL;
break;
}
exit_err:
return ret;
}
static int s3c_pcmdev_trigger(struct snd_pcm_substream *substream,
int cmd, struct snd_soc_dai *dai)
{
int ret = 0;
debug_msg("%s\n", __func__);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
debug_msg("Pcm trigger start - %d\n", cmd);
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
s3c_snd_rxctrl(1);
else
s3c_snd_txctrl(1);
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
debug_msg("Pcm trigger stop - %d\n", cmd);
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
s3c_snd_rxctrl(0);
else
s3c_snd_txctrl(0);
break;
default:
printk(KERN_ERR
"Invalid pcm trigger cmd - %d\n", cmd);
ret = -EINVAL;
break;
}
return ret;
}
static int s3c_i2s_trigger(struct snd_pcm_substream *substream, int cmd,
struct snd_soc_dai *dai)
{
int ret = 0;
debug_msg("%s, stream:%d \n", __FUNCTION__, substream->stream);
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
if (s3c_i2s.slave)
{
ret = s3c_snd_lrsync();
if (ret)
goto exit_err;
}
debug_msg("Start\n");
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
s3c_snd_rxctrl(1);
else
s3c_snd_txctrl(1);
break;
case SNDRV_PCM_TRIGGER_STOP:
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
debug_msg("Stop\n");
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
s3c_snd_rxctrl(0);
else
s3c_snd_txctrl(0);
break;
default:
ret = -EINVAL;
break;
}
exit_err:
return ret;
}
static int s3c_pcmdev_probe(struct platform_device *pdev,
struct snd_soc_dai *dai)
{
int ret = 0;
struct clk *cm, *cf;
debug_msg("+++++++%s\n", __func__);
s3c_pcmdev.regs = ioremap(S3C_PA_PCM, 0x100);
if (s3c_pcmdev.regs == NULL)
return -ENXIO;
ret = request_irq(IRQ_S3C_PCM, s3c_pcmdev_irq, 0, "s3c-pcmdev", pdev);
if (ret < 0) {
printk(KERN_ERR
"fail to claim pcmdev irq , ret = %d\n", ret);
iounmap(s3c_pcmdev.regs);
return -ENODEV;
}
s3c_pcmdev.pcm_clk = clk_get(&pdev->dev, "pcm");
if (IS_ERR(s3c_pcmdev.pcm_clk)) {
printk(KERN_ERR
"failed to get clk(pcm1)\n");
goto err_exit4;
}
s3c_pcmdev.clk_rate = clk_get_rate(s3c_pcmdev.pcm_clk);
s3c_pcmdev.clk_src = clk_get(&pdev->dev, EXTCLK);
if (IS_ERR(s3c_pcmdev.clk_src)) {
printk(KERN_ERR
"failed to get clk(%s)\n", EXTCLK);
goto err_exit3;
}
cm = clk_get(NULL, EXTPRNT);
if (IS_ERR(cm)) {
printk(KERN_ERR
"failed to get %s\n", EXTPRNT);
goto err_exit2;
}
/* s3cdbg("Got Audio Bus Source Clock -> %s\n", EXTPRNT);*/
if (clk_set_parent(s3c_pcmdev.clk_src, cm)) {
printk(KERN_ERR
"failed to set mOUTepll as parent of scklkaudio1\n");
goto err_exit1;
}
cf = clk_get(NULL, "fout_epll");
if (IS_ERR(cf)) {
printk(KERN_ERR
"failed to get fout_epll\n");
goto err_exit1;
}
if (clk_set_parent(cm, cf)) {
printk(KERN_ERR
"failed to set FOUTepll as parent of MOUTepll\n");
goto err_exit0;
}
/* s3cdbg("Set fout_epll as parent of %s\n", EXTPRNT);*/
s3c_pcmdev.clk_rate = clk_get_rate(s3c_pcmdev.clk_src);
debug_msg("EXTclock rate=%d @..%d..\n", s3c_pcmdev.clk_rate, __LINE__);
s3c_pcmdev.clk_rate = clk_get_rate(s3c_pcmdev.pcm_clk);
debug_msg("PCMclock rate=%d @..%d..\n", s3c_pcmdev.clk_rate, __LINE__);
clk_put(cf);
clk_put(cm);
s3c_snd_txctrl(0);
s3c_snd_rxctrl(0);
debug_msg("----------%s\n", __func__);
return 0;
err_exit0:
clk_put(cf);
err_exit1:
clk_put(cm);
err_exit2:
clk_put(s3c_pcmdev.clk_src);
err_exit3:
clk_disable(s3c_pcmdev.pcm_clk);
clk_put(s3c_pcmdev.pcm_clk);
err_exit4:
free_irq(IRQ_S3C_PCM, pdev);
iounmap(s3c_pcmdev.regs);
return -ENODEV;
}
static int s3c_i2s_probe(struct platform_device *pdev,
struct snd_soc_dai *dai)
{
int ret = 0;
struct clk *cm, *cf;
debug_msg("%s\n", __FUNCTION__);
/* Configure the I2S pins in correct mode */
#ifndef CONFIG_SND_S3C64XX_I2S_BUS1
s3c_gpio_cfgpin(S3C64XX_GPD(0),S3C64XX_GPD0_I2S0_CLK);
s3c_gpio_cfgpin(S3C64XX_GPD(1),S3C64XX_GPD1_I2S0_CDCLK);
s3c_gpio_cfgpin(S3C64XX_GPD(2),S3C64XX_GPD2_I2S0_LRCLK);
s3c_gpio_cfgpin(S3C64XX_GPD(3),S3C64XX_GPD3_I2S0_DI);
s3c_gpio_cfgpin(S3C64XX_GPD(4),S3C64XX_GPD4_I2S0_DO);
/* pull-up-enable, pull-down-disable*/
s3c_gpio_setpull(S3C64XX_GPD(0), S3C_GPIO_PULL_UP);
s3c_gpio_setpull(S3C64XX_GPD(1), S3C_GPIO_PULL_UP);
s3c_gpio_setpull(S3C64XX_GPD(2), S3C_GPIO_PULL_UP);
s3c_gpio_setpull(S3C64XX_GPD(3), S3C_GPIO_PULL_UP);
s3c_gpio_setpull(S3C64XX_GPD(4), S3C_GPIO_PULL_UP);
#else
s3c_gpio_cfgpin(S3C64XX_GPE(0),S3C64XX_GPE0_I2S1_CLK);
s3c_gpio_cfgpin(S3C64XX_GPE(1),S3C64XX_GPE1_I2S1_CDCLK);
s3c_gpio_cfgpin(S3C64XX_GPE(2),S3C64XX_GPE2_I2S1_LRCLK);
s3c_gpio_cfgpin(S3C64XX_GPE(3),S3C64XX_GPE3_I2S1_DI);
s3c_gpio_cfgpin(S3C64XX_GPE(4),S3C64XX_GPE4_I2S1_DO);
/* pull-up-enable, pull-down-disable*/
s3c_gpio_setpull(S3C64XX_GPE(0), S3C_GPIO_PULL_UP);
s3c_gpio_setpull(S3C64XX_GPE(1), S3C_GPIO_PULL_UP);
s3c_gpio_setpull(S3C64XX_GPE(2), S3C_GPIO_PULL_UP);
s3c_gpio_setpull(S3C64XX_GPE(3), S3C_GPIO_PULL_UP);
s3c_gpio_setpull(S3C64XX_GPE(4), S3C_GPIO_PULL_UP);
#endif
s3c_i2s.regs = ioremap(S3C_IIS_PABASE, 0x100);
if (s3c_i2s.regs == NULL)
return -ENXIO;
ret = request_irq(S3C_IISIRQ, s3c_iis_irq, 0, "s3c-i2s", pdev);
if (ret < 0) {
printk("fail to claim i2s irq , ret = %d\n", ret);
iounmap(s3c_i2s.regs);
return -ENODEV;
}
printk("pd name=%s\n", pdev->name);
s3c_i2s.iis_clk = clk_get(&pdev->dev, PCLKCLK);
if (IS_ERR(s3c_i2s.iis_clk)) {
printk("failed to get clk(%s)\n", PCLKCLK);
goto lb5;
}
clk_enable(s3c_i2s.iis_clk);
s3c_i2s.clk_rate = clk_get_rate(s3c_i2s.iis_clk);
debug_msg("s3c_i2s.clk_rate1=%d\n",s3c_i2s.clk_rate);
#ifdef USE_CLKAUDIO
s3c_i2s.audio_bus = clk_get(NULL, EXTCLK);
if (IS_ERR(s3c_i2s.audio_bus)) {
printk("failed to get clk(%s)\n", EXTCLK);
goto lb4;
}
cm = clk_get(NULL, "mout_epll");
if (IS_ERR(cm)) {
printk("failed to get mout_epll\n");
goto lb3;
}
if(clk_set_parent(s3c_i2s.audio_bus, cm)){
printk("failed to set MOUTepll as parent of CLKAUDIO0\n");
goto lb2;
}
cf = clk_get(NULL, "fout_epll");
if (IS_ERR(cf)) {
printk("failed to get fout_epll\n");
goto lb2;
}
clk_enable(cf);
if(clk_set_parent(cm, cf)){
printk("failed to set FOUTepll as parent of MOUTepll\n");
goto lb1;
}
s3c_i2s.clk_rate = clk_get_rate(s3c_i2s.audio_bus);
clk_put(cf);
clk_put(cm);
#endif
debug_msg("s3c_i2s.clk_rate2=%d\n",s3c_i2s.clk_rate);
writel(S3C_IISCON_I2SACTIVE | S3C_IISCON_SWRESET, s3c_i2s.regs + S3C_IISCON);
s3c_snd_txctrl(0);
s3c_snd_rxctrl(0);
return 0;
#ifdef USE_CLKAUDIO
lb1:
clk_put(cf);
lb2:
clk_put(cm);
lb3:
clk_put(s3c_i2s.audio_bus);
#endif
lb4:
clk_disable(s3c_i2s.iis_clk);
clk_put(s3c_i2s.iis_clk);
lb5:
free_irq(S3C_IISIRQ, pdev);
iounmap(s3c_i2s.regs);
return -ENODEV;
}
static int s3c_i2s_probe(struct platform_device *pdev,
struct snd_soc_dai *dai)
{
int ret = 0;
struct clk *cf, *cm;
/* Already called for one DAI */
if(lpam_i2s.regs != NULL)
return 0;
lpam_clk_rate = &lpam_i2s.clk_rate;
spin_lock_init(&lpam_pdata.lock);
__lpinit();
lpam_i2s.regs = ioremap(S3C_IIS_PABASE, 0x100);
if (lpam_i2s.regs == NULL)
return -ENXIO;
ret = request_irq(S3C_IISIRQ, s3c_iis_irq, 0, "s3c-i2s", pdev);
if (ret < 0) {
printk("fail to claim i2s irq , ret = %d\n", ret);
iounmap(lpam_i2s.regs);
return -ENODEV;
}
lpam_i2s.iis_clk = clk_get(&pdev->dev, "iis");
if (IS_ERR(lpam_i2s.iis_clk)) {
printk("failed to get clk(iis)\n");
goto lb4;
}
s3cdbg("Got Clock -> iis\n");
clk_enable(lpam_i2s.iis_clk);
lpam_i2s.clk_rate = clk_get_rate(lpam_i2s.iis_clk);
/* To avoid switching between sources(LP vs NM mode),
* we use EXTPRNT as parent clock of audio-bus.
*/
lpam_i2s.audio_bus = clk_get(&pdev->dev, "audio-bus");
if (IS_ERR(lpam_i2s.audio_bus)) {
printk("failed to get clk(audio-bus)\n");
goto lb3;
}
s3cdbg("Got Audio Bus Clock -> audio-bus\n");
cm = clk_get(NULL, EXTPRNT);
if (IS_ERR(cm)) {
printk("failed to get %s\n", EXTPRNT);
goto lb2;
}
s3cdbg("Got Audio Bus Source Clock -> %s\n", EXTPRNT);
if(clk_set_parent(lpam_i2s.audio_bus, cm)){
printk("failed to set %s as parent of audio-bus\n", EXTPRNT);
goto lb1;
}
s3cdbg("Set %s as parent of audio-bus\n", EXTPRNT);
#if defined(CONFIG_MACH_SMDKC110)
cf = clk_get(NULL, "fout_epll");
if (IS_ERR(cf)) {
printk("failed to get fout_epll\n");
goto lb1;
}
s3cdbg("Got Clock -> fout_epll\n");
if(clk_set_parent(cm, cf)){
printk("failed to set fout_epll as parent of %s\n", EXTPRNT);
clk_put(cf);
goto lb1;
}
s3cdbg("Set fout_epll as parent of %s\n", EXTPRNT);
clk_put(cf);
#endif
clk_put(cm);
clk_enable(lpam_i2s.audio_bus);
lpam_i2s.clk_rate = clk_get_rate(lpam_i2s.audio_bus);
init_i2s();
s3c_snd_txctrl(0);
return 0;
lb1:
clk_put(cm);
lb2:
clk_put(lpam_i2s.audio_bus);
lb3:
clk_disable(lpam_i2s.iis_clk);
clk_put(lpam_i2s.iis_clk);
lb4:
free_irq(S3C_IISIRQ, pdev);
iounmap(lpam_i2s.regs);
return -ENODEV;
}
static int s3c_i2s_probe(struct platform_device *pdev,
struct snd_soc_dai *dai)
{
int ret = 0;
#if USE_CLKAUDIO
struct clk *cm, *cf;
#endif
debug_msg("%s\n", __FUNCTION__);
s3c_i2s.regs = ioremap(S3C_IIS_PABASE, 0x100);
/* Configure the I2S pins in correct mode */
s3c_gpio_cfgpin(GPIO_I2S_LRCLK, S3C_GPIO_SFN(GPIO_I2S_LRCLK_AF));
s3c_gpio_cfgpin(GPIO_I2S_CLK, S3C_GPIO_SFN(GPIO_I2S_CLK_AF));
s3c_gpio_cfgpin(GPIO_I2S_DI, S3C_GPIO_SFN(GPIO_I2S_DI_AF));
s3c_gpio_cfgpin(GPIO_I2S_DO, S3C_GPIO_SFN(GPIO_I2S_DO_AF));
/* pull-up-enable, pull-down-disable*/
s3c_gpio_setpull(GPIO_I2S_CLK, S3C_GPIO_PULL_UP);
s3c_gpio_setpull(GPIO_I2S_LRCLK, S3C_GPIO_PULL_UP);
s3c_gpio_setpull(GPIO_I2S_DI, S3C_GPIO_PULL_UP);
s3c_gpio_setpull(GPIO_I2S_DO, S3C_GPIO_PULL_UP);
if (s3c_i2s.regs == NULL)
return -ENXIO;
ret = request_irq(S3C_IISIRQ, s3c_iis_irq, 0, "s3c-i2s", pdev);
if (ret < 0) {
printk("fail to claim i2s irq , ret = %d\n", ret);
iounmap(s3c_i2s.regs);
return -ENODEV;
}
s3c_i2s.iis_clk = clk_get(&pdev->dev, PCLKCLK);
if (IS_ERR(s3c_i2s.iis_clk)) {
printk("failed to get clk(%s)\n", PCLKCLK);
goto lb5;
}
clk_enable(s3c_i2s.iis_clk);
s3c_i2s.clk_rate = clk_get_rate(s3c_i2s.iis_clk);
#if USE_CLKAUDIO
s3c_i2s.audio_bus = clk_get(NULL, EXTCLK);
if (IS_ERR(s3c_i2s.audio_bus)) {
printk("failed to get clk(%s)\n", EXTCLK);
goto lb4;
}
cm = clk_get(NULL, "mout_epll");
if (IS_ERR(cm)) {
printk("failed to get mout_epll\n");
goto lb3;
}
if(clk_set_parent(s3c_i2s.audio_bus, cm)){
printk("failed to set MOUTepll as parent of CLKAUDIO0\n");
goto lb2;
}
cf = clk_get(NULL, "fout_epll");
if (IS_ERR(cf)) {
printk("failed to get fout_epll\n");
goto lb2;
}
clk_enable(cf);
if(clk_set_parent(cm, cf)){
printk("failed to set FOUTepll as parent of MOUTepll\n");
goto lb1;
}
s3c_i2s.clk_rate = clk_get_rate(s3c_i2s.audio_bus);
clk_put(cf);
clk_put(cm);
#endif
#if defined(CONFIG_SND_S3C_I2S_V50)
writel(readl(s3c_i2s.regs + S3C_IISCON) | S3C_IISCON_SWRESET, s3c_i2s.regs + S3C_IISCON);
#else
writel(S3C_IISCON_I2SACTIVE, s3c_i2s.regs + S3C_IISCON);
#endif
s3c_snd_txctrl(0);
s3c_snd_rxctrl(0);
return 0;
#if USE_CLKAUDIO
lb1:
clk_put(cf);
lb2:
clk_put(cm);
lb3:
clk_put(s3c_i2s.audio_bus);
lb4:
clk_disable(s3c_i2s.iis_clk);
clk_put(s3c_i2s.iis_clk);
#endif
lb5:
free_irq(S3C_IISIRQ, pdev);
iounmap(s3c_i2s.regs);
return -ENODEV;
}
static int s3c_i2s_probe(struct platform_device *pdev,
struct snd_soc_dai *dai)
{
int ret = 0;
struct clk *cm, *cf;
debug_msg("%s\n", __FUNCTION__);
debug_msg("S3C_IIS_PABASE=0x%x ...\n",S3C_IIS_PABASE);
s3c_i2s.regs = ioremap(S3C_IIS_PABASE, 0x100);
if (s3c_i2s.regs == NULL)
{
debug_msg("%s ERROR !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!\n", __FUNCTION__);
return -ENXIO;
}
ret = request_irq(S3C_IISIRQ, s3c_iis_irq, 0, "s3c-i2s", pdev);
if (ret < 0) {
printk("fail to claim i2s irq , ret = %d\n", ret);
iounmap(s3c_i2s.regs);
return -ENODEV;
}
//s3c_i2s.iis_clk = clk_get(&pdev->dev, PCLKCLK);
s3c_i2s.iis_clk = clk_get(&pdev->dev, "i2s_v32");
//s3c_i2s.iis_clk = clk_get(&pdev->dev, "fout_epll");
debug_msg("after clk_tet(\"i2s_v32\")...\n");
if (IS_ERR(s3c_i2s.iis_clk)) {
printk("failed to get clk(%s)\n", PCLKCLK);
goto lb5;
}
clk_enable(s3c_i2s.iis_clk);
s3c_i2s.clk_rate = clk_get_rate(s3c_i2s.iis_clk);
debug_msg("EXTCLK: %s__________________0\n",EXTCLK);
#ifdef USE_CLKAUDIO
s3c_i2s.audio_bus = clk_get(NULL, EXTCLK);
debug_msg("EXTCLK: %s__________________1\n",EXTCLK);
if (IS_ERR(s3c_i2s.audio_bus)) {
printk("failed to get clk(%s)\n", EXTCLK);
goto lb4;
}
cm = clk_get(NULL, "mout_epll");
if (IS_ERR(cm)) {
printk("failed to get mout_epll\n");
goto lb3;
}
if(clk_set_parent(s3c_i2s.audio_bus, cm)){
printk("failed to set MOUTepll as parent of CLKAUDIO0\n");
goto lb2;
}
cf = clk_get(NULL, "fout_epll");
if (IS_ERR(cf)) {
printk("failed to get fout_epll\n");
goto lb2;
}
clk_enable(cf);
if(clk_set_parent(cm, cf)){
printk("failed to set FOUTepll as parent of MOUTepll\n");
goto lb1;
}
s3c_i2s.clk_rate = clk_get_rate(s3c_i2s.audio_bus);
clk_put(cf);
clk_put(cm);
#endif
writel(S3C_IISCON_I2SACTIVE | S3C_IISCON_SWRESET, s3c_i2s.regs + S3C_IISCON);
s3c_snd_txctrl(0);
s3c_snd_rxctrl(0);
return 0;
#ifdef USE_CLKAUDIO
lb1:
clk_put(cf);
lb2:
clk_put(cm);
lb3:
clk_put(s3c_i2s.audio_bus);
#endif
lb4:
clk_disable(s3c_i2s.iis_clk);
clk_put(s3c_i2s.iis_clk);
lb5:
free_irq(S3C_IISIRQ, pdev);
iounmap(s3c_i2s.regs);
return -ENODEV;
}