aboutsummaryrefslogtreecommitdiff
path: root/sound/soc/blackfin/bf5xx-ac97.c
diff options
context:
space:
mode:
Diffstat (limited to 'sound/soc/blackfin/bf5xx-ac97.c')
-rw-r--r--sound/soc/blackfin/bf5xx-ac97.c178
1 files changed, 110 insertions, 68 deletions
diff --git a/sound/soc/blackfin/bf5xx-ac97.c b/sound/soc/blackfin/bf5xx-ac97.c
index 5e5aafb6485..3be2be60576 100644
--- a/sound/soc/blackfin/bf5xx-ac97.c
+++ b/sound/soc/blackfin/bf5xx-ac97.c
@@ -54,71 +54,103 @@
static int *cmd_count;
static int sport_num = CONFIG_SND_BF5XX_SPORT_NUM;
-#if defined(CONFIG_BF54x)
+static u16 sport_req[][7] = {
+ PIN_REQ_SPORT_0,
+#ifdef PIN_REQ_SPORT_1
+ PIN_REQ_SPORT_1,
+#endif
+#ifdef PIN_REQ_SPORT_2
+ PIN_REQ_SPORT_2,
+#endif
+#ifdef PIN_REQ_SPORT_3
+ PIN_REQ_SPORT_3,
+#endif
+ };
+
static struct sport_param sport_params[4] = {
{
.dma_rx_chan = CH_SPORT0_RX,
.dma_tx_chan = CH_SPORT0_TX,
- .err_irq = IRQ_SPORT0_ERR,
+ .err_irq = IRQ_SPORT0_ERROR,
.regs = (struct sport_register *)SPORT0_TCR1,
},
+#ifdef PIN_REQ_SPORT_1
{
.dma_rx_chan = CH_SPORT1_RX,
.dma_tx_chan = CH_SPORT1_TX,
- .err_irq = IRQ_SPORT1_ERR,
+ .err_irq = IRQ_SPORT1_ERROR,
.regs = (struct sport_register *)SPORT1_TCR1,
},
+#endif
+#ifdef PIN_REQ_SPORT_2
{
.dma_rx_chan = CH_SPORT2_RX,
.dma_tx_chan = CH_SPORT2_TX,
- .err_irq = IRQ_SPORT2_ERR,
+ .err_irq = IRQ_SPORT2_ERROR,
.regs = (struct sport_register *)SPORT2_TCR1,
},
+#endif
+#ifdef PIN_REQ_SPORT_3
{
.dma_rx_chan = CH_SPORT3_RX,
.dma_tx_chan = CH_SPORT3_TX,
- .err_irq = IRQ_SPORT3_ERR,
+ .err_irq = IRQ_SPORT3_ERROR,
.regs = (struct sport_register *)SPORT3_TCR1,
}
-};
-#else
-static struct sport_param sport_params[2] = {
- {
- .dma_rx_chan = CH_SPORT0_RX,
- .dma_tx_chan = CH_SPORT0_TX,
- .err_irq = IRQ_SPORT0_ERROR,
- .regs = (struct sport_register *)SPORT0_TCR1,
- },
- {
- .dma_rx_chan = CH_SPORT1_RX,
- .dma_tx_chan = CH_SPORT1_TX,
- .err_irq = IRQ_SPORT1_ERROR,
- .regs = (struct sport_register *)SPORT1_TCR1,
- }
-};
#endif
+};
-void bf5xx_pcm_to_ac97(struct ac97_frame *dst, const __u32 *src, \
- size_t count)
+void bf5xx_pcm_to_ac97(struct ac97_frame *dst, const __u16 *src,
+ size_t count, unsigned int chan_mask)
{
while (count--) {
- dst->ac97_tag = TAG_VALID | TAG_PCM;
- (dst++)->ac97_pcm = *src++;
+ dst->ac97_tag = TAG_VALID;
+ if (chan_mask & SP_FL) {
+ dst->ac97_pcm_r = *src++;
+ dst->ac97_tag |= TAG_PCM_RIGHT;
+ }
+ if (chan_mask & SP_FR) {
+ dst->ac97_pcm_l = *src++;
+ dst->ac97_tag |= TAG_PCM_LEFT;
+
+ }
+#if defined(CONFIG_SND_BF5XX_MULTICHAN_SUPPORT)
+ if (chan_mask & SP_SR) {
+ dst->ac97_sl = *src++;
+ dst->ac97_tag |= TAG_PCM_SL;
+ }
+ if (chan_mask & SP_SL) {
+ dst->ac97_sr = *src++;
+ dst->ac97_tag |= TAG_PCM_SR;
+ }
+ if (chan_mask & SP_LFE) {
+ dst->ac97_lfe = *src++;
+ dst->ac97_tag |= TAG_PCM_LFE;
+ }
+ if (chan_mask & SP_FC) {
+ dst->ac97_center = *src++;
+ dst->ac97_tag |= TAG_PCM_CENTER;
+ }
+#endif
+ dst++;
}
}
EXPORT_SYMBOL(bf5xx_pcm_to_ac97);
-void bf5xx_ac97_to_pcm(const struct ac97_frame *src, __u32 *dst, \
+void bf5xx_ac97_to_pcm(const struct ac97_frame *src, __u16 *dst,
size_t count)
{
- while (count--)
- *(dst++) = (src++)->ac97_pcm;
+ while (count--) {
+ *(dst++) = src->ac97_pcm_l;
+ *(dst++) = src->ac97_pcm_r;
+ src++;
+ }
}
EXPORT_SYMBOL(bf5xx_ac97_to_pcm);
static unsigned int sport_tx_curr_frag(struct sport_device *sport)
{
- return sport->tx_curr_frag = sport_curr_offset_tx(sport) / \
+ return sport->tx_curr_frag = sport_curr_offset_tx(sport) /
sport->tx_fragsize;
}
@@ -130,7 +162,7 @@ static void enqueue_cmd(struct snd_ac97 *ac97, __u16 addr, __u16 data)
sport_incfrag(sport, &nextfrag, 1);
- nextwrite = (struct ac97_frame *)(sport->tx_buf + \
+ nextwrite = (struct ac97_frame *)(sport->tx_buf +
nextfrag * sport->tx_fragsize);
pr_debug("sport->tx_buf:%p, nextfrag:0x%x nextwrite:%p, cmd_count:%d\n",
sport->tx_buf, nextfrag, nextwrite, cmd_count[nextfrag]);
@@ -237,8 +269,7 @@ struct snd_ac97_bus_ops soc_ac97_ops = {
EXPORT_SYMBOL_GPL(soc_ac97_ops);
#ifdef CONFIG_PM
-static int bf5xx_ac97_suspend(struct platform_device *pdev,
- struct snd_soc_dai *dai)
+static int bf5xx_ac97_suspend(struct snd_soc_dai *dai)
{
struct sport_device *sport =
(struct sport_device *)dai->private_data;
@@ -253,8 +284,7 @@ static int bf5xx_ac97_suspend(struct platform_device *pdev,
return 0;
}
-static int bf5xx_ac97_resume(struct platform_device *pdev,
- struct snd_soc_dai *dai)
+static int bf5xx_ac97_resume(struct snd_soc_dai *dai)
{
int ret;
struct sport_device *sport =
@@ -297,20 +327,15 @@ static int bf5xx_ac97_resume(struct platform_device *pdev,
static int bf5xx_ac97_probe(struct platform_device *pdev,
struct snd_soc_dai *dai)
{
- int ret;
-#if defined(CONFIG_BF54x)
- u16 sport_req[][7] = {PIN_REQ_SPORT_0, PIN_REQ_SPORT_1,
- PIN_REQ_SPORT_2, PIN_REQ_SPORT_3};
-#else
- u16 sport_req[][7] = {PIN_REQ_SPORT_0, PIN_REQ_SPORT_1};
-#endif
+ int ret = 0;
cmd_count = (int *)get_zeroed_page(GFP_KERNEL);
if (cmd_count == NULL)
return -ENOMEM;
if (peripheral_request_list(&sport_req[sport_num][0], "soc-audio")) {
pr_err("Requesting Peripherals failed\n");
- return -EFAULT;
+ ret = -EFAULT;
+ goto peripheral_err;
}
#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
@@ -318,54 +343,54 @@ static int bf5xx_ac97_probe(struct platform_device *pdev,
if (gpio_request(CONFIG_SND_BF5XX_RESET_GPIO_NUM, "SND_AD198x RESET")) {
pr_err("Failed to request GPIO_%d for reset\n",
CONFIG_SND_BF5XX_RESET_GPIO_NUM);
- peripheral_free_list(&sport_req[sport_num][0]);
- return -1;
+ ret = -1;
+ goto gpio_err;
}
gpio_direction_output(CONFIG_SND_BF5XX_RESET_GPIO_NUM, 1);
#endif
sport_handle = sport_init(&sport_params[sport_num], 2, \
sizeof(struct ac97_frame), NULL);
if (!sport_handle) {
- peripheral_free_list(&sport_req[sport_num][0]);
-#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
- gpio_free(CONFIG_SND_BF5XX_RESET_GPIO_NUM);
-#endif
- return -ENODEV;
+ ret = -ENODEV;
+ goto sport_err;
}
/*SPORT works in TDM mode to simulate AC97 transfers*/
ret = sport_set_multichannel(sport_handle, 16, 0x1F, 1);
if (ret) {
pr_err("SPORT is busy!\n");
- kfree(sport_handle);
- peripheral_free_list(&sport_req[sport_num][0]);
-#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
- gpio_free(CONFIG_SND_BF5XX_RESET_GPIO_NUM);
-#endif
- return -EBUSY;
+ ret = -EBUSY;
+ goto sport_config_err;
}
ret = sport_config_rx(sport_handle, IRFS, 0xF, 0, (16*16-1));
if (ret) {
pr_err("SPORT is busy!\n");
- kfree(sport_handle);
- peripheral_free_list(&sport_req[sport_num][0]);
-#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
- gpio_free(CONFIG_SND_BF5XX_RESET_GPIO_NUM);
-#endif
- return -EBUSY;
+ ret = -EBUSY;
+ goto sport_config_err;
}
ret = sport_config_tx(sport_handle, ITFS, 0xF, 0, (16*16-1));
if (ret) {
pr_err("SPORT is busy!\n");
- kfree(sport_handle);
- peripheral_free_list(&sport_req[sport_num][0]);
-#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
- gpio_free(CONFIG_SND_BF5XX_RESET_GPIO_NUM);
-#endif
- return -EBUSY;
+ ret = -EBUSY;
+ goto sport_config_err;
}
+
return 0;
+
+sport_config_err:
+ kfree(sport_handle);
+sport_err:
+#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
+ gpio_free(CONFIG_SND_BF5XX_RESET_GPIO_NUM);
+#endif
+gpio_err:
+ peripheral_free_list(&sport_req[sport_num][0]);
+peripheral_err:
+ free_page((unsigned long)cmd_count);
+ cmd_count = NULL;
+
+ return ret;
}
static void bf5xx_ac97_remove(struct platform_device *pdev,
@@ -373,6 +398,7 @@ static void bf5xx_ac97_remove(struct platform_device *pdev,
{
free_page((unsigned long)cmd_count);
cmd_count = NULL;
+ peripheral_free_list(&sport_req[sport_num][0]);
#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
gpio_free(CONFIG_SND_BF5XX_RESET_GPIO_NUM);
#endif
@@ -381,7 +407,7 @@ static void bf5xx_ac97_remove(struct platform_device *pdev,
struct snd_soc_dai bfin_ac97_dai = {
.name = "bf5xx-ac97",
.id = 0,
- .type = SND_SOC_DAI_AC97,
+ .ac97_control = 1,
.probe = bf5xx_ac97_probe,
.remove = bf5xx_ac97_remove,
.suspend = bf5xx_ac97_suspend,
@@ -389,7 +415,11 @@ struct snd_soc_dai bfin_ac97_dai = {
.playback = {
.stream_name = "AC97 Playback",
.channels_min = 2,
+#if defined(CONFIG_SND_BF5XX_MULTICHAN_SUPPORT)
+ .channels_max = 6,
+#else
.channels_max = 2,
+#endif
.rates = SNDRV_PCM_RATE_48000,
.formats = SNDRV_PCM_FMTBIT_S16_LE, },
.capture = {
@@ -401,6 +431,18 @@ struct snd_soc_dai bfin_ac97_dai = {
};
EXPORT_SYMBOL_GPL(bfin_ac97_dai);
+static int __init bfin_ac97_init(void)
+{
+ return snd_soc_register_dai(&bfin_ac97_dai);
+}
+module_init(bfin_ac97_init);
+
+static void __exit bfin_ac97_exit(void)
+{
+ snd_soc_unregister_dai(&bfin_ac97_dai);
+}
+module_exit(bfin_ac97_exit);
+
MODULE_AUTHOR("Roy Huang");
MODULE_DESCRIPTION("AC97 driver for ADI Blackfin");
MODULE_LICENSE("GPL");
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-27 07:40:51 +0000