static int bf5xx_pcm_open(struct snd_pcm_substream *substream)
{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(cpu_dai);
struct snd_pcm_runtime *runtime = substream->runtime;
int ret;
static int bf5xx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
{
+ struct snd_soc_pcm_runtime *rtd = pcm->private_data;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(cpu_dai);
struct snd_pcm_substream *substream = pcm->streams[stream].substream;
struct snd_dma_buffer *buf = &substream->dma_buffer;
size_t size = bf5xx_pcm_hardware.buffer_bytes_max
struct snd_dma_buffer *buf;
int stream;
#if defined(CONFIG_SND_BF5XX_MMAP_SUPPORT)
+ struct snd_soc_pcm_runtime *rtd = pcm->private_data;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(cpu_dai);
size_t size = bf5xx_pcm_hardware.buffer_bytes_max *
sizeof(struct ac97_frame) / 4;
#endif
}
#endif
}
- if (sport_handle)
- sport_done(sport_handle);
}
static u64 bf5xx_pcm_dmamask = DMA_BIT_MASK(32);
* anomaly does not affect blackfin sound drivers.
*/
-static int *cmd_count;
-static int sport_num = CONFIG_SND_BF5XX_SPORT_NUM;
-
-#define SPORT_REQ(x) \
- [x] = {P_SPORT##x##_TFS, P_SPORT##x##_DTPRI, P_SPORT##x##_TSCLK, \
- P_SPORT##x##_RFS, P_SPORT##x##_DRPRI, P_SPORT##x##_RSCLK, 0}
-static u16 sport_req[][7] = {
-#ifdef SPORT0_TCR1
- SPORT_REQ(0),
-#endif
-#ifdef SPORT1_TCR1
- SPORT_REQ(1),
-#endif
-#ifdef SPORT2_TCR1
- SPORT_REQ(2),
-#endif
-#ifdef SPORT3_TCR1
- SPORT_REQ(3),
-#endif
-};
-
-#define SPORT_PARAMS(x) \
- [x] = { \
- .dma_rx_chan = CH_SPORT##x##_RX, \
- .dma_tx_chan = CH_SPORT##x##_TX, \
- .err_irq = IRQ_SPORT##x##_ERROR, \
- .regs = (struct sport_register *)SPORT##x##_TCR1, \
- }
-static struct sport_param sport_params[4] = {
-#ifdef SPORT0_TCR1
- SPORT_PARAMS(0),
-#endif
-#ifdef SPORT1_TCR1
- SPORT_PARAMS(1),
-#endif
-#ifdef SPORT2_TCR1
- SPORT_PARAMS(2),
-#endif
-#ifdef SPORT3_TCR1
- SPORT_PARAMS(3),
-#endif
-};
+static struct sport_device *ac97_sport_handle;
void bf5xx_pcm_to_ac97(struct ac97_frame *dst, const __u16 *src,
size_t count, unsigned int chan_mask)
static void enqueue_cmd(struct snd_ac97 *ac97, __u16 addr, __u16 data)
{
- struct sport_device *sport = sport_handle;
+ struct sport_device *sport = ac97_sport_handle;
+ int *cmd_count = sport->private_data;
int nextfrag = sport_tx_curr_frag(sport);
struct ac97_frame *nextwrite;
static unsigned short bf5xx_ac97_read(struct snd_ac97 *ac97,
unsigned short reg)
{
+ struct sport_device *sport_handle = ac97_sport_handle;
struct ac97_frame out_frame[2], in_frame[2];
pr_debug("%s enter 0x%x\n", __func__, reg);
void bf5xx_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
unsigned short val)
{
+ struct sport_device *sport_handle = ac97_sport_handle;
+
pr_debug("%s enter 0x%x:0x%04x\n", __func__, reg, val);
if (sport_handle->tx_run) {
static void bf5xx_ac97_warm_reset(struct snd_ac97 *ac97)
{
-#if defined(CONFIG_BF54x) || defined(CONFIG_BF561) || \
- (defined(BF537_FAMILY) && (CONFIG_SND_BF5XX_SPORT_NUM == 1))
-
-#define CONCAT(a, b, c) a ## b ## c
-#define BFIN_SPORT_RFS(x) CONCAT(P_SPORT, x, _RFS)
-
- u16 per = BFIN_SPORT_RFS(CONFIG_SND_BF5XX_SPORT_NUM);
- u16 gpio = P_IDENT(BFIN_SPORT_RFS(CONFIG_SND_BF5XX_SPORT_NUM));
+ struct sport_device *sport_handle = ac97_sport_handle;
+ u16 gpio = P_IDENT(sport_handle->pin_req[3]);
pr_debug("%s enter\n", __func__);
- peripheral_free(per);
+ peripheral_free_list(sport_handle->pin_req);
gpio_request(gpio, "bf5xx-ac97");
gpio_direction_output(gpio, 1);
udelay(2);
gpio_set_value(gpio, 0);
udelay(1);
gpio_free(gpio);
- peripheral_request(per, "soc-audio");
-#else
- pr_info("%s: Not implemented\n", __func__);
-#endif
+ peripheral_request_list(sport_handle->pin_req, "soc-audio");
}
static void bf5xx_ac97_cold_reset(struct snd_ac97 *ac97)
#define bf5xx_ac97_resume NULL
#endif
-static int bf5xx_ac97_probe(struct snd_soc_dai *dai)
+static struct snd_soc_dai_driver bfin_ac97_dai = {
+ .ac97_control = 1,
+ .suspend = bf5xx_ac97_suspend,
+ .resume = bf5xx_ac97_resume,
+ .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 = {
+ .stream_name = "AC97 Capture",
+ .channels_min = 2,
+ .channels_max = 2,
+ .rates = SNDRV_PCM_RATE_48000,
+ .formats = SNDRV_PCM_FMTBIT_S16_LE, },
+};
+
+static int __devinit asoc_bfin_ac97_probe(struct platform_device *pdev)
{
- 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], "soc-audio")) {
- pr_err("Requesting Peripherals failed\n");
- ret = -EFAULT;
- goto peripheral_err;
- }
+ struct sport_device *sport_handle;
+ int ret;
#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
/* Request PB3 as reset pin */
}
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);
+
+ sport_handle = sport_init(pdev, 2, sizeof(struct ac97_frame),
+ PAGE_SIZE);
if (!sport_handle) {
ret = -ENODEV;
goto sport_err;
}
+
/*SPORT works in TDM mode to simulate AC97 transfers*/
#if defined(CONFIG_SND_BF5XX_MULTICHAN_SUPPORT)
ret = sport_set_multichannel(sport_handle, 16, 0x3FF, 1);
goto sport_config_err;
}
+ ret = snd_soc_register_dai(&pdev->dev, &bfin_ac97_dai);
+ if (ret) {
+ pr_err("Failed to register DAI: %d\n", ret);
+ goto sport_config_err;
+ }
+
+ ac97_sport_handle = sport_handle;
+
return 0;
sport_config_err:
- kfree(sport_handle);
+ sport_done(sport_handle);
sport_err:
#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
gpio_free(CONFIG_SND_BF5XX_RESET_GPIO_NUM);
gpio_err:
#endif
- peripheral_free_list(sport_req[sport_num]);
-peripheral_err:
- free_page((unsigned long)cmd_count);
- cmd_count = NULL;
return ret;
}
-static int bf5xx_ac97_remove(struct snd_soc_dai *dai)
+static int __devexit asoc_bfin_ac97_remove(struct platform_device *pdev)
{
- free_page((unsigned long)cmd_count);
- cmd_count = NULL;
- peripheral_free_list(sport_req[sport_num]);
+ struct sport_device *sport_handle = platform_get_drvdata(pdev);
+
+ snd_soc_unregister_dai(&pdev->dev);
+ sport_done(sport_handle);
#ifdef CONFIG_SND_BF5XX_HAVE_COLD_RESET
gpio_free(CONFIG_SND_BF5XX_RESET_GPIO_NUM);
#endif
- return 0;
-}
-
-struct snd_soc_dai_driver bfin_ac97_dai = {
- .ac97_control = 1,
- .probe = bf5xx_ac97_probe,
- .remove = bf5xx_ac97_remove,
- .suspend = bf5xx_ac97_suspend,
- .resume = bf5xx_ac97_resume,
- .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 = {
- .stream_name = "AC97 Capture",
- .channels_min = 2,
- .channels_max = 2,
- .rates = SNDRV_PCM_RATE_48000,
- .formats = SNDRV_PCM_FMTBIT_S16_LE, },
-};
-EXPORT_SYMBOL_GPL(bfin_ac97_dai);
-
-static __devinit int asoc_bfin_ac97_probe(struct platform_device *pdev)
-{
- return snd_soc_register_dai(&pdev->dev, &bfin_ac97_dai);
-}
-static int __devexit asoc_bfin_ac97_remove(struct platform_device *pdev)
-{
- snd_soc_unregister_dai(&pdev->dev);
return 0;
}
#include <asm/portmux.h>
#include "../codecs/ad1836.h"
-#include "bf5xx-sport.h"
#include "bf5xx-tdm-pcm.h"
#include "bf5xx-tdm.h"
static struct snd_soc_card bf5xx_ad1836;
-static int bf5xx_ad1836_startup(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-
- snd_soc_dai_set_drvdata(cpu_dai, sport_handle);
- return 0;
-}
-
static int bf5xx_ad1836_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
}
static struct snd_soc_ops bf5xx_ad1836_ops = {
- .startup = bf5xx_ad1836_startup,
.hw_params = bf5xx_ad1836_hw_params,
};
-static struct snd_soc_dai_link bf5xx_ad1836_dai = {
- .name = "ad1836",
- .stream_name = "AD1836",
- .cpu_dai_name = "bfin-tdm",
- .codec_dai_name = "ad1836-hifi",
- .platform_name = "bfin-tdm-pcm-audio",
- .codec_name = "ad1836.0",
- .ops = &bf5xx_ad1836_ops,
+static struct snd_soc_dai_link bf5xx_ad1836_dai[] = {
+ {
+ .name = "ad1836",
+ .stream_name = "AD1836",
+ .cpu_dai_name = "bfin-tdm.0",
+ .codec_dai_name = "ad1836-hifi",
+ .platform_name = "bfin-tdm-pcm-audio",
+ .codec_name = "ad1836.0",
+ .ops = &bf5xx_ad1836_ops,
+ },
+ {
+ .name = "ad1836",
+ .stream_name = "AD1836",
+ .cpu_dai_name = "bfin-tdm.1",
+ .codec_dai_name = "ad1836-hifi",
+ .platform_name = "bfin-tdm-pcm-audio",
+ .codec_name = "ad1836.0",
+ .ops = &bf5xx_ad1836_ops,
+ },
};
static struct snd_soc_card bf5xx_ad1836 = {
.name = "bfin-ad1836",
- .dai_link = &bf5xx_ad1836_dai,
+ .dai_link = &bf5xx_ad1836_dai[CONFIG_SND_BF5XX_SPORT_NUM],
.num_links = 1,
};
#include <asm/portmux.h>
#include "../codecs/ad193x.h"
-#include "bf5xx-sport.h"
#include "bf5xx-tdm-pcm.h"
#include "bf5xx-tdm.h"
static struct snd_soc_card bf5xx_ad193x;
-static int bf5xx_ad193x_startup(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-
- snd_soc_dai_set_drvdata(cpu_dai, sport_handle);
- return 0;
-}
-
static int bf5xx_ad193x_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
}
static struct snd_soc_ops bf5xx_ad193x_ops = {
- .startup = bf5xx_ad193x_startup,
.hw_params = bf5xx_ad193x_hw_params,
};
-static struct snd_soc_dai_link bf5xx_ad193x_dai = {
- .name = "ad193x",
- .stream_name = "AD193X",
- .cpu_dai_name = "bfin-tdm",
- .codec_dai_name ="ad193x-hifi",
- .platform_name = "bfin-tdm-pcm-audio",
- .codec_name = "ad193x.5",
- .ops = &bf5xx_ad193x_ops,
+static struct snd_soc_dai_link bf5xx_ad193x_dai[] = {
+ {
+ .name = "ad193x",
+ .stream_name = "AD193X",
+ .cpu_dai_name = "bfin-tdm.0",
+ .codec_dai_name ="ad193x-hifi",
+ .platform_name = "bfin-tdm-pcm-audio",
+ .codec_name = "ad193x.5",
+ .ops = &bf5xx_ad193x_ops,
+ },
+ {
+ .name = "ad193x",
+ .stream_name = "AD193X",
+ .cpu_dai_name = "bfin-tdm.1",
+ .codec_dai_name ="ad193x-hifi",
+ .platform_name = "bfin-tdm-pcm-audio",
+ .codec_name = "ad193x.5",
+ .ops = &bf5xx_ad193x_ops,
+ },
};
static struct snd_soc_card bf5xx_ad193x = {
.name = "bfin-ad193x",
- .dai_link = &bf5xx_ad193x_dai,
+ .dai_link = &bf5xx_ad193x_dai[CONFIG_SND_BF5XX_SPORT_NUM],
.num_links = 1,
};
#include <asm/portmux.h>
#include "../codecs/ad1980.h"
-#include "bf5xx-sport.h"
+
#include "bf5xx-ac97-pcm.h"
#include "bf5xx-ac97.h"
static struct snd_soc_card bf5xx_board;
-static int bf5xx_board_startup(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-
- pr_debug("%s enter\n", __func__);
- snd_soc_dai_set_drvdata(cpu_dai, sport_handle);
- return 0;
-}
-
-static struct snd_soc_ops bf5xx_board_ops = {
- .startup = bf5xx_board_startup,
-};
-
-static struct snd_soc_dai_link bf5xx_board_dai = {
- .name = "AC97",
- .stream_name = "AC97 HiFi",
- .cpu_dai_name = "bfin-ac97",
- .codec_dai_name = "ad1980-hifi",
- .platform_name = "bfin-ac97-pcm-audio",
- .codec_name = "ad1980",
- .ops = &bf5xx_board_ops,
+static struct snd_soc_dai_link bf5xx_board_dai[] = {
+ {
+ .name = "AC97",
+ .stream_name = "AC97 HiFi",
+ .cpu_dai_name = "bfin-ac97.0",
+ .codec_dai_name = "ad1980-hifi",
+ .platform_name = "bfin-ac97-pcm-audio",
+ .codec_name = "ad1980",
+ },
+ {
+ .name = "AC97",
+ .stream_name = "AC97 HiFi",
+ .cpu_dai_name = "bfin-ac97.1",
+ .codec_dai_name = "ad1980-hifi",
+ .platform_name = "bfin-ac97-pcm-audio",
+ .codec_name = "ad1980",
+ },
};
static struct snd_soc_card bf5xx_board = {
.name = "bfin-ad1980",
- .dai_link = &bf5xx_board_dai,
+ .dai_link = &bf5xx_board_dai[CONFIG_SND_BF5XX_SPORT_NUM],
.num_links = 1,
};
return 0;
}
-static int bf5xx_ad73311_startup(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-
- pr_debug("%s enter\n", __func__);
- snd_soc_dai_set_drvdata(cpu_dai, sport_handle);
- return 0;
-}
-
static int bf5xx_ad73311_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
static struct snd_soc_ops bf5xx_ad73311_ops = {
- .startup = bf5xx_ad73311_startup,
.hw_params = bf5xx_ad73311_hw_params,
};
-static struct snd_soc_dai_link bf5xx_ad73311_dai = {
- .name = "ad73311",
- .stream_name = "AD73311",
- .cpu_dai_name = "bfin-i2s",
- .codec_dai_name = "ad73311-hifi",
- .platform_name = "bfin-i2s-pcm-audio",
- .codec_name = "ad73311",
- .ops = &bf5xx_ad73311_ops,
+static struct snd_soc_dai_link bf5xx_ad73311_dai[] = {
+ {
+ .name = "ad73311",
+ .stream_name = "AD73311",
+ .cpu_dai_name = "bfin-i2s.0",
+ .codec_dai_name = "ad73311-hifi",
+ .platform_name = "bfin-i2s-pcm-audio",
+ .codec_name = "ad73311",
+ .ops = &bf5xx_ad73311_ops,
+ },
+ {
+ .name = "ad73311",
+ .stream_name = "AD73311",
+ .cpu_dai_name = "bfin-i2s.1",
+ .codec_dai_name = "ad73311-hifi",
+ .platform_name = "bfin-i2s-pcm-audio",
+ .codec_name = "ad73311",
+ .ops = &bf5xx_ad73311_ops,
+ },
};
static struct snd_soc_card bf5xx_ad73311 = {
.name = "bfin-ad73311",
.probe = bf5xx_probe,
- .dai_link = &bf5xx_ad73311_dai,
+ .dai_link = &bf5xx_ad73311_dai[CONFIG_SND_BF5XX_SPORT_NUM],
.num_links = 1,
};
static int bf5xx_pcm_open(struct snd_pcm_substream *substream)
{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(cpu_dai);
struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_dma_buffer *buf = &substream->dma_buffer;
int ret;
pr_debug("%s enter\n", __func__);
+
snd_soc_set_runtime_hwparams(substream, &bf5xx_pcm_hardware);
ret = snd_pcm_hw_constraint_integer(runtime, \
if (ret < 0)
goto out;
- if (sport_handle != NULL)
+ if (sport_handle != NULL) {
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ sport_handle->tx_buf = buf->area;
+ else
+ sport_handle->rx_buf = buf->area;
+
runtime->private_data = sport_handle;
- else {
+ } else {
pr_err("sport_handle is NULL\n");
return -1;
}
pr_debug("%s, area:%p, size:0x%08lx\n", __func__,
buf->area, buf->bytes);
- if (stream == SNDRV_PCM_STREAM_PLAYBACK)
- sport_handle->tx_buf = buf->area;
- else
- sport_handle->rx_buf = buf->area;
-
return 0;
}
dma_free_coherent(NULL, buf->bytes, buf->area, 0);
buf->area = NULL;
}
- if (sport_handle)
- sport_done(sport_handle);
}
static u64 bf5xx_pcm_dmamask = DMA_BIT_MASK(32);
int configured;
};
-static struct bf5xx_i2s_port bf5xx_i2s;
-static int sport_num = CONFIG_SND_BF5XX_SPORT_NUM;
-
-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,
- }
-};
-
-/*
- * Setting the TFS pin selector for SPORT 0 based on whether the selected
- * port id F or G. If the port is F then no conflict should exist for the
- * TFS. When Port G is selected and EMAC then there is a conflict between
- * the PHY interrupt line and TFS. Current settings prevent the conflict
- * by ignoring the TFS pin when Port G is selected. This allows both
- * codecs and EMAC using Port G concurrently.
- */
-#ifdef CONFIG_BF527_SPORT0_PORTG
-#define LOCAL_SPORT0_TFS (0)
-#else
-#define LOCAL_SPORT0_TFS (P_SPORT0_TFS)
-#endif
-
-static u16 sport_req[][7] = { {P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
- P_SPORT0_DRPRI, P_SPORT0_RSCLK, LOCAL_SPORT0_TFS, 0},
- {P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS, P_SPORT1_DRPRI,
- P_SPORT1_RSCLK, P_SPORT1_TFS, 0} };
-
static int bf5xx_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai,
unsigned int fmt)
{
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(cpu_dai);
+ struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data;
int ret = 0;
/* interface format:support I2S,slave mode */
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
- bf5xx_i2s.tcr1 |= TFSR | TCKFE;
- bf5xx_i2s.rcr1 |= RFSR | RCKFE;
- bf5xx_i2s.tcr2 |= TSFSE;
- bf5xx_i2s.rcr2 |= RSFSE;
+ bf5xx_i2s->tcr1 |= TFSR | TCKFE;
+ bf5xx_i2s->rcr1 |= RFSR | RCKFE;
+ bf5xx_i2s->tcr2 |= TSFSE;
+ bf5xx_i2s->rcr2 |= RSFSE;
break;
case SND_SOC_DAIFMT_DSP_A:
- bf5xx_i2s.tcr1 |= TFSR;
- bf5xx_i2s.rcr1 |= RFSR;
+ bf5xx_i2s->tcr1 |= TFSR;
+ bf5xx_i2s->rcr1 |= RFSR;
break;
case SND_SOC_DAIFMT_LEFT_J:
ret = -EINVAL;
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai);
+ struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data;
int ret = 0;
- bf5xx_i2s.tcr2 &= ~0x1f;
- bf5xx_i2s.rcr2 &= ~0x1f;
+ bf5xx_i2s->tcr2 &= ~0x1f;
+ bf5xx_i2s->rcr2 &= ~0x1f;
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S8:
bf5xx_i2s->tcr2 |= 7;
bf5xx_i2s->rcr2 |= 7;
sport_handle->wdsize = 1;
case SNDRV_PCM_FORMAT_S16_LE:
- bf5xx_i2s.tcr2 |= 15;
- bf5xx_i2s.rcr2 |= 15;
+ bf5xx_i2s->tcr2 |= 15;
+ bf5xx_i2s->rcr2 |= 15;
sport_handle->wdsize = 2;
break;
case SNDRV_PCM_FORMAT_S24_LE:
- bf5xx_i2s.tcr2 |= 23;
- bf5xx_i2s.rcr2 |= 23;
+ bf5xx_i2s->tcr2 |= 23;
+ bf5xx_i2s->rcr2 |= 23;
sport_handle->wdsize = 3;
break;
case SNDRV_PCM_FORMAT_S32_LE:
- bf5xx_i2s.tcr2 |= 31;
- bf5xx_i2s.rcr2 |= 31;
+ bf5xx_i2s->tcr2 |= 31;
+ bf5xx_i2s->rcr2 |= 31;
sport_handle->wdsize = 4;
break;
}
- if (!bf5xx_i2s.configured) {
+ if (!bf5xx_i2s->configured) {
/*
* TX and RX are not independent,they are enabled at the
* same time, even if only one side is running. So, we
*
* CPU DAI:slave mode.
*/
- bf5xx_i2s.configured = 1;
- ret = sport_config_rx(sport_handle, bf5xx_i2s.rcr1,
- bf5xx_i2s.rcr2, 0, 0);
+ bf5xx_i2s->configured = 1;
+ ret = sport_config_rx(sport_handle, bf5xx_i2s->rcr1,
+ bf5xx_i2s->rcr2, 0, 0);
if (ret) {
pr_err("SPORT is busy!\n");
return -EBUSY;
}
- ret = sport_config_tx(sport_handle, bf5xx_i2s.tcr1,
- bf5xx_i2s.tcr2, 0, 0);
+ ret = sport_config_tx(sport_handle, bf5xx_i2s->tcr1,
+ bf5xx_i2s->tcr2, 0, 0);
if (ret) {
pr_err("SPORT is busy!\n");
return -EBUSY;
static void bf5xx_i2s_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai);
+ struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data;
+
pr_debug("%s enter\n", __func__);
/* No active stream, SPORT is allowed to be configured again. */
if (!dai->active)
- bf5xx_i2s.configured = 0;
-}
-
-static int bf5xx_i2s_probe(struct snd_soc_dai *dai)
-{
- pr_debug("%s enter\n", __func__);
- if (peripheral_request_list(&sport_req[sport_num][0], "soc-audio")) {
- pr_err("Requesting Peripherals failed\n");
- return -EFAULT;
- }
-
- /* request DMA for SPORT */
- sport_handle = sport_init(&sport_params[sport_num], 4, \
- 2 * sizeof(u32), NULL);
- if (!sport_handle) {
- peripheral_free_list(&sport_req[sport_num][0]);
- return -ENODEV;
- }
-
- return 0;
-}
-
-static int bf5xx_i2s_remove(struct snd_soc_dai *dai)
-{
- pr_debug("%s enter\n", __func__);
- peripheral_free_list(&sport_req[sport_num][0]);
- return 0;
+ bf5xx_i2s->configured = 0;
}
#ifdef CONFIG_PM
static int bf5xx_i2s_suspend(struct snd_soc_dai *dai)
{
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai);
pr_debug("%s : sport %d\n", __func__, dai->id);
static int bf5xx_i2s_resume(struct snd_soc_dai *dai)
{
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai);
+ struct bf5xx_i2s_port *bf5xx_i2s = sport_handle->private_data;
int ret;
pr_debug("%s : sport %d\n", __func__, dai->id);
- ret = sport_config_rx(sport_handle, bf5xx_i2s.rcr1,
- bf5xx_i2s.rcr2, 0, 0);
+ ret = sport_config_rx(sport_handle, bf5xx_i2s->rcr1,
+ bf5xx_i2s->rcr2, 0, 0);
if (ret) {
pr_err("SPORT is busy!\n");
return -EBUSY;
}
- ret = sport_config_tx(sport_handle, bf5xx_i2s.tcr1,
- bf5xx_i2s.tcr2, 0, 0);
+ ret = sport_config_tx(sport_handle, bf5xx_i2s->tcr1,
+ bf5xx_i2s->tcr2, 0, 0);
if (ret) {
pr_err("SPORT is busy!\n");
return -EBUSY;
};
static struct snd_soc_dai_driver bf5xx_i2s_dai = {
- .probe = bf5xx_i2s_probe,
- .remove = bf5xx_i2s_remove,
.suspend = bf5xx_i2s_suspend,
.resume = bf5xx_i2s_resume,
.playback = {
.ops = &bf5xx_i2s_dai_ops,
};
-static int bfin_i2s_drv_probe(struct platform_device *pdev)
+static int __devinit bf5xx_i2s_probe(struct platform_device *pdev)
{
- return snd_soc_register_dai(&pdev->dev, &bf5xx_i2s_dai);
+ struct sport_device *sport_handle;
+ int ret;
+
+ /* configure SPORT for I2S */
+ sport_handle = sport_init(pdev, 4, 2 * sizeof(u32),
+ sizeof(struct bf5xx_i2s_port));
+ if (!sport_handle)
+ return -ENODEV;
+
+ /* register with the ASoC layers */
+ ret = snd_soc_register_dai(&pdev->dev, &bf5xx_i2s_dai);
+ if (ret) {
+ pr_err("Failed to register DAI: %d\n", ret);
+ sport_done(sport_handle);
+ return ret;
+ }
+
+ return 0;
}
-static int __devexit bfin_i2s_drv_remove(struct platform_device *pdev)
+static int __devexit bf5xx_i2s_remove(struct platform_device *pdev)
{
+ struct sport_device *sport_handle = platform_get_drvdata(pdev);
+
+ pr_debug("%s enter\n", __func__);
+
snd_soc_unregister_dai(&pdev->dev);
+ sport_done(sport_handle);
+
return 0;
}
static struct platform_driver bfin_i2s_driver = {
- .probe = bfin_i2s_drv_probe,
- .remove = __devexit_p(bfin_i2s_drv_remove),
-
+ .probe = bf5xx_i2s_probe,
+ .remove = __devexit_p(bf5xx_i2s_remove),
.driver = {
.name = "bfin-i2s",
.owner = THIS_MODULE,
/* delay between frame sync pulse and first data bit in multichannel mode */
#define FRAME_DELAY (1<<12)
-struct sport_device *sport_handle;
-EXPORT_SYMBOL(sport_handle);
/* note: multichannel is in units of 8 channels,
* tdm_count is # channels NOT / 8 ! */
int sport_set_multichannel(struct sport_device *sport,
}
EXPORT_SYMBOL(sport_set_err_callback);
-struct sport_device *sport_init(struct sport_param *param, unsigned wdsize,
- unsigned dummy_count, void *private_data)
+static int sport_config_pdev(struct platform_device *pdev, struct sport_param *param)
{
- int ret;
+ /* Extract settings from platform data */
+ struct device *dev = &pdev->dev;
+ struct bfin_snd_platform_data *pdata = dev->platform_data;
+ struct resource *res;
+
+ param->num = pdev->id;
+
+ if (!pdata) {
+ dev_err(dev, "no platform_data\n");
+ return -ENODEV;
+ }
+ param->pin_req = pdata->pin_req;
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(dev, "no MEM resource\n");
+ return -ENODEV;
+ }
+ param->regs = (struct sport_register *)res->start;
+
+ /* first RX, then TX */
+ res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
+ if (!res) {
+ dev_err(dev, "no rx DMA resource\n");
+ return -ENODEV;
+ }
+ param->dma_rx_chan = res->start;
+
+ res = platform_get_resource(pdev, IORESOURCE_DMA, 1);
+ if (!res) {
+ dev_err(dev, "no tx DMA resource\n");
+ return -ENODEV;
+ }
+ param->dma_tx_chan = res->start;
+
+ res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+ if (!res) {
+ dev_err(dev, "no irq resource\n");
+ return -ENODEV;
+ }
+ param->err_irq = res->start;
+
+ return 0;
+}
+
+struct sport_device *sport_init(struct platform_device *pdev,
+ unsigned int wdsize, unsigned int dummy_count, size_t priv_size)
+{
+ struct device *dev = &pdev->dev;
+ struct sport_param param;
struct sport_device *sport;
- pr_debug("%s enter\n", __func__);
- BUG_ON(param == NULL);
- BUG_ON(wdsize == 0 || dummy_count == 0);
- sport = kmalloc(sizeof(struct sport_device), GFP_KERNEL);
- if (!sport) {
- pr_err("Failed to allocate for sport device\n");
+ int ret;
+
+ dev_dbg(dev, "%s enter\n", __func__);
+
+ param.wdsize = wdsize;
+ param.dummy_count = dummy_count;
+ BUG_ON(param.wdsize == 0 || param.dummy_count == 0);
+
+ ret = sport_config_pdev(pdev, ¶m);
+ if (ret)
+ return NULL;
+
+ if (peripheral_request_list(param.pin_req, "soc-audio")) {
+ dev_err(dev, "requesting Peripherals failed\n");
return NULL;
}
- memset(sport, 0, sizeof(struct sport_device));
- sport->dma_rx_chan = param->dma_rx_chan;
- sport->dma_tx_chan = param->dma_tx_chan;
- sport->err_irq = param->err_irq;
- sport->regs = param->regs;
- sport->private_data = private_data;
+ sport = kzalloc(sizeof(*sport), GFP_KERNEL);
+ if (!sport) {
+ dev_err(dev, "failed to allocate for sport device\n");
+ goto __init_err0;
+ }
+
+ sport->num = param.num;
+ sport->dma_rx_chan = param.dma_rx_chan;
+ sport->dma_tx_chan = param.dma_tx_chan;
+ sport->err_irq = param.err_irq;
+ sport->regs = param.regs;
+ sport->pin_req = param.pin_req;
if (request_dma(sport->dma_rx_chan, "SPORT RX Data") == -EBUSY) {
- pr_err("Failed to request RX dma %d\n", \
- sport->dma_rx_chan);
+ dev_err(dev, "failed to request RX dma %d\n", sport->dma_rx_chan);
goto __init_err1;
}
if (set_dma_callback(sport->dma_rx_chan, rx_handler, sport) != 0) {
- pr_err("Failed to request RX irq %d\n", \
- sport->dma_rx_chan);
+ dev_err(dev, "failed to request RX irq %d\n", sport->dma_rx_chan);
goto __init_err2;
}
if (request_dma(sport->dma_tx_chan, "SPORT TX Data") == -EBUSY) {
- pr_err("Failed to request TX dma %d\n", \
- sport->dma_tx_chan);
+ dev_err(dev, "failed to request TX dma %d\n", sport->dma_tx_chan);
goto __init_err2;
}
if (set_dma_callback(sport->dma_tx_chan, tx_handler, sport) != 0) {
- pr_err("Failed to request TX irq %d\n", \
- sport->dma_tx_chan);
+ dev_err(dev, "failed to request TX irq %d\n", sport->dma_tx_chan);
goto __init_err3;
}
if (request_irq(sport->err_irq, err_handler, IRQF_SHARED, "SPORT err",
sport) < 0) {
- pr_err("Failed to request err irq:%d\n", \
- sport->err_irq);
+ dev_err(dev, "failed to request err irq %d\n", sport->err_irq);
goto __init_err3;
}
- pr_err("dma rx:%d tx:%d, err irq:%d, regs:%p\n",
+ dev_info(dev, "dma rx:%d tx:%d, err irq:%d, regs:%p\n",
sport->dma_rx_chan, sport->dma_tx_chan,
sport->err_irq, sport->regs);
- sport->wdsize = wdsize;
- sport->dummy_count = dummy_count;
+ sport->wdsize = param.wdsize;
+ sport->dummy_count = param.dummy_count;
+
+ sport->private_data = kzalloc(priv_size, GFP_KERNEL);
+ if (!sport->private_data) {
+ dev_err(dev, "could not alloc priv data %zu bytes\n", priv_size);
+ goto __init_err4;
+ }
if (L1_DATA_A_LENGTH)
- sport->dummy_buf = l1_data_sram_zalloc(dummy_count * 2);
+ sport->dummy_buf = l1_data_sram_zalloc(param.dummy_count * 2);
else
- sport->dummy_buf = kzalloc(dummy_count * 2, GFP_KERNEL);
+ sport->dummy_buf = kzalloc(param.dummy_count * 2, GFP_KERNEL);
if (sport->dummy_buf == NULL) {
- pr_err("Failed to allocate dummy buffer\n");
- goto __error;
+ dev_err(dev, "failed to allocate dummy buffer\n");
+ goto __error1;
}
ret = sport_config_rx_dummy(sport);
if (ret) {
- pr_err("Failed to config rx dummy ring\n");
- goto __error;
+ dev_err(dev, "failed to config rx dummy ring\n");
+ goto __error2;
}
ret = sport_config_tx_dummy(sport);
if (ret) {
- pr_err("Failed to config tx dummy ring\n");
- goto __error;
+ dev_err(dev, "failed to config tx dummy ring\n");
+ goto __error3;
}
+ platform_set_drvdata(pdev, sport);
+
return sport;
-__error:
+__error3:
+ if (L1_DATA_A_LENGTH)
+ l1_data_sram_free(sport->dummy_rx_desc);
+ else
+ dma_free_coherent(NULL, 2*sizeof(struct dmasg),
+ sport->dummy_rx_desc, 0);
+__error2:
+ if (L1_DATA_A_LENGTH)
+ l1_data_sram_free(sport->dummy_buf);
+ else
+ kfree(sport->dummy_buf);
+__error1:
+ kfree(sport->private_data);
+__init_err4:
free_irq(sport->err_irq, sport);
__init_err3:
free_dma(sport->dma_tx_chan);
free_dma(sport->dma_rx_chan);
__init_err1:
kfree(sport);
+__init_err0:
+ peripheral_free_list(param.pin_req);
return NULL;
}
EXPORT_SYMBOL(sport_init);
free_dma(sport->dma_tx_chan);
free_irq(sport->err_irq, sport);
+ kfree(sport->private_data);
+ peripheral_free_list(sport->pin_req);
kfree(sport);
- sport = NULL;
}
EXPORT_SYMBOL(sport_done);
/*
- * File: bf5xx_ac97_sport.h
+ * File: bf5xx_sport.h
* Based on:
* Author: Roy Huang <roy.huang@analog.com>
*
#include <linux/types.h>
#include <linux/wait.h>
#include <linux/workqueue.h>
+#include <linux/platform_device.h>
#include <asm/dma.h>
#include <asm/bfin_sport.h>
#define DESC_ELEMENT_COUNT 9
struct sport_device {
+ int num;
int dma_rx_chan;
int dma_tx_chan;
int err_irq;
+ const unsigned short *pin_req;
struct sport_register *regs;
unsigned char *rx_buf;
void *private_data;
};
-extern struct sport_device *sport_handle;
-
struct sport_param {
+ int num;
int dma_rx_chan;
int dma_tx_chan;
int err_irq;
+ const unsigned short *pin_req;
struct sport_register *regs;
+ unsigned int wdsize;
+ unsigned int dummy_count;
+ void *private_data;
};
-struct sport_device *sport_init(struct sport_param *param, unsigned wdsize,
- unsigned dummy_count, void *private_data);
+struct sport_device *sport_init(struct platform_device *pdev,
+ unsigned int wdsize, unsigned int dummy_count, size_t priv_size);
void sport_done(struct sport_device *sport);
static struct snd_soc_card bf5xx_ssm2602;
-static int bf5xx_ssm2602_startup(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
-
- pr_debug("%s enter\n", __func__);
- snd_soc_dai_set_drvdata(cpu_dai, sport_handle);
- return 0;
-}
-
static int bf5xx_ssm2602_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
}
static struct snd_soc_ops bf5xx_ssm2602_ops = {
- .startup = bf5xx_ssm2602_startup,
.hw_params = bf5xx_ssm2602_hw_params,
};
-static struct snd_soc_dai_link bf5xx_ssm2602_dai = {
- .name = "ssm2602",
- .stream_name = "SSM2602",
- .cpu_dai_name = "bfin-i2s",
- .codec_dai_name = "ssm2602-hifi",
- .platform_name = "bfin-i2s-pcm-audio",
- .codec_name = "ssm2602.0-001b",
- .ops = &bf5xx_ssm2602_ops,
+static struct snd_soc_dai_link bf5xx_ssm2602_dai[] = {
+ {
+ .name = "ssm2602",
+ .stream_name = "SSM2602",
+ .cpu_dai_name = "bfin-i2s.0",
+ .codec_dai_name = "ssm2602-hifi",
+ .platform_name = "bfin-i2s-pcm-audio",
+ .codec_name = "ssm2602.0-001b",
+ .ops = &bf5xx_ssm2602_ops,
+ },
+ {
+ .name = "ssm2602",
+ .stream_name = "SSM2602",
+ .cpu_dai_name = "bfin-i2s.1",
+ .codec_dai_name = "ssm2602-hifi",
+ .platform_name = "bfin-i2s-pcm-audio",
+ .codec_name = "ssm2602.0-001b",
+ .ops = &bf5xx_ssm2602_ops,
+ },
};
static struct snd_soc_card bf5xx_ssm2602 = {
.name = "bfin-ssm2602",
- .dai_link = &bf5xx_ssm2602_dai,
+ .dai_link = &bf5xx_ssm2602_dai[CONFIG_SND_BF5XX_SPORT_NUM],
.num_links = 1,
};
static int bf5xx_pcm_open(struct snd_pcm_substream *substream)
{
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(cpu_dai);
struct snd_pcm_runtime *runtime = substream->runtime;
+ struct snd_dma_buffer *buf = &substream->dma_buffer;
+
int ret = 0;
snd_soc_set_runtime_hwparams(substream, &bf5xx_pcm_hardware);
if (ret < 0)
goto out;
- if (sport_handle != NULL)
+ if (sport_handle != NULL) {
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ sport_handle->tx_buf = buf->area;
+ else
+ sport_handle->rx_buf = buf->area;
+
runtime->private_data = sport_handle;
- else {
+ } else {
pr_err("sport_handle is NULL\n");
ret = -ENODEV;
}
}
buf->bytes = size;
- if (stream == SNDRV_PCM_STREAM_PLAYBACK)
- sport_handle->tx_buf = buf->area;
- else
- sport_handle->rx_buf = buf->area;
-
return 0;
}
dma_free_coherent(NULL, buf->bytes, buf->area, 0);
buf->area = NULL;
}
- if (sport_handle)
- sport_done(sport_handle);
}
static u64 bf5xx_pcm_dmamask = DMA_BIT_MASK(32);
#include "bf5xx-sport.h"
#include "bf5xx-tdm.h"
-static struct bf5xx_tdm_port bf5xx_tdm;
-static int sport_num = CONFIG_SND_BF5XX_SPORT_NUM;
-
-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,
- }
-};
-
-/*
- * Setting the TFS pin selector for SPORT 0 based on whether the selected
- * port id F or G. If the port is F then no conflict should exist for the
- * TFS. When Port G is selected and EMAC then there is a conflict between
- * the PHY interrupt line and TFS. Current settings prevent the conflict
- * by ignoring the TFS pin when Port G is selected. This allows both
- * codecs and EMAC using Port G concurrently.
- */
-#ifdef CONFIG_BF527_SPORT0_PORTG
-#define LOCAL_SPORT0_TFS (0)
-#else
-#define LOCAL_SPORT0_TFS (P_SPORT0_TFS)
-#endif
-
-static u16 sport_req[][7] = { {P_SPORT0_DTPRI, P_SPORT0_TSCLK, P_SPORT0_RFS,
- P_SPORT0_DRPRI, P_SPORT0_RSCLK, LOCAL_SPORT0_TFS, 0},
- {P_SPORT1_DTPRI, P_SPORT1_TSCLK, P_SPORT1_RFS, P_SPORT1_DRPRI,
- P_SPORT1_RSCLK, P_SPORT1_TFS, 0} };
-
static int bf5xx_tdm_set_dai_fmt(struct snd_soc_dai *cpu_dai,
unsigned int fmt)
{
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
{
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai);
+ struct bf5xx_tdm_port *bf5xx_tdm = sport_handle->private_data;
int ret = 0;
- bf5xx_tdm.tcr2 &= ~0x1f;
- bf5xx_tdm.rcr2 &= ~0x1f;
+ bf5xx_tdm->tcr2 &= ~0x1f;
+ bf5xx_tdm->rcr2 &= ~0x1f;
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S32_LE:
- bf5xx_tdm.tcr2 |= 31;
- bf5xx_tdm.rcr2 |= 31;
+ bf5xx_tdm->tcr2 |= 31;
+ bf5xx_tdm->rcr2 |= 31;
sport_handle->wdsize = 4;
break;
/* at present, we only support 32bit transfer */
break;
}
- if (!bf5xx_tdm.configured) {
+ if (!bf5xx_tdm->configured) {
/*
* TX and RX are not independent,they are enabled at the
* same time, even if only one side is running. So, we
*
* CPU DAI:slave mode.
*/
- ret = sport_config_rx(sport_handle, bf5xx_tdm.rcr1,
- bf5xx_tdm.rcr2, 0, 0);
+ ret = sport_config_rx(sport_handle, bf5xx_tdm->rcr1,
+ bf5xx_tdm->rcr2, 0, 0);
if (ret) {
pr_err("SPORT is busy!\n");
return -EBUSY;
}
- ret = sport_config_tx(sport_handle, bf5xx_tdm.tcr1,
- bf5xx_tdm.tcr2, 0, 0);
+ ret = sport_config_tx(sport_handle, bf5xx_tdm->tcr1,
+ bf5xx_tdm->tcr2, 0, 0);
if (ret) {
pr_err("SPORT is busy!\n");
return -EBUSY;
}
- bf5xx_tdm.configured = 1;
+ bf5xx_tdm->configured = 1;
}
return 0;
static void bf5xx_tdm_shutdown(struct snd_pcm_substream *substream,
struct snd_soc_dai *dai)
{
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai);
+ struct bf5xx_tdm_port *bf5xx_tdm = sport_handle->private_data;
+
/* No active stream, SPORT is allowed to be configured again. */
if (!dai->active)
- bf5xx_tdm.configured = 0;
+ bf5xx_tdm->configured = 0;
}
static int bf5xx_tdm_set_channel_map(struct snd_soc_dai *dai,
unsigned int tx_num, unsigned int *tx_slot,
unsigned int rx_num, unsigned int *rx_slot)
{
+ struct sport_device *sport_handle = snd_soc_dai_get_drvdata(dai);
+ struct bf5xx_tdm_port *bf5xx_tdm = sport_handle->private_data;
int i;
unsigned int slot;
unsigned int tx_mapped = 0, rx_mapped = 0;
slot = tx_slot[i];
if ((slot < BFIN_TDM_DAI_MAX_SLOTS) &&
(!(tx_mapped & (1 << slot)))) {
- bf5xx_tdm.tx_map[i] = slot;
+ bf5xx_tdm->tx_map[i] = slot;
tx_mapped |= 1 << slot;
} else
return -EINVAL;
slot = rx_slot[i];
if ((slot < BFIN_TDM_DAI_MAX_SLOTS) &&
(!(rx_mapped & (1 << slot)))) {
- bf5xx_tdm.rx_map[i] = slot;
+ bf5xx_tdm->rx_map[i] = slot;
rx_mapped |= 1 << slot;
} else
return -EINVAL;
{
struct sport_device *sport = snd_soc_dai_get_drvdata(dai);
- if (!dai->active)
- return 0;
- if (dai->capture_active)
- sport_rx_stop(sport);
if (dai->playback_active)
sport_tx_stop(sport);
+ if (dai->capture_active)
+ sport_rx_stop(sport);
+
+ /* isolate sync/clock pins from codec while sports resume */
+ peripheral_free_list(sport->pin_req);
+
return 0;
}
int ret;
struct sport_device *sport = snd_soc_dai_get_drvdata(dai);
- if (!dai->active)
- return 0;
-
ret = sport_set_multichannel(sport, 8, 0xFF, 1);
if (ret) {
pr_err("SPORT is busy!\n");
ret = -EBUSY;
}
+ peripheral_request_list(sport->pin_req, "soc-audio");
+
return 0;
}
static int __devinit bfin_tdm_probe(struct platform_device *pdev)
{
- int ret = 0;
-
- if (peripheral_request_list(&sport_req[sport_num][0], "soc-audio")) {
- pr_err("Requesting Peripherals failed\n");
- return -EFAULT;
- }
+ struct sport_device *sport_handle;
+ int ret;
- /* request DMA for SPORT */
- sport_handle = sport_init(&sport_params[sport_num], 4, \
- 8 * sizeof(u32), NULL);
- if (!sport_handle) {
- peripheral_free_list(&sport_req[sport_num][0]);
+ /* configure SPORT for TDM */
+ sport_handle = sport_init(pdev, 4, 8 * sizeof(u32),
+ sizeof(struct bf5xx_tdm_port));
+ if (!sport_handle)
return -ENODEV;
- }
/* SPORT works in TDM mode */
ret = sport_set_multichannel(sport_handle, 8, 0xFF, 1);
goto sport_config_err;
}
- sport_handle->private_data = &bf5xx_tdm;
return 0;
sport_config_err:
- peripheral_free_list(&sport_req[sport_num][0]);
+ sport_done(sport_handle);
return ret;
}
static int __devexit bfin_tdm_remove(struct platform_device *pdev)
{
- peripheral_free_list(&sport_req[sport_num][0]);
+ struct sport_device *sport_handle = platform_get_drvdata(pdev);
+
snd_soc_unregister_dai(&pdev->dev);
+ sport_done(sport_handle);
return 0;
}
projects / openwrt / staging / blogic.git / commitdiff