diff options
Diffstat (limited to 'sound/soc')
-rw-r--r-- | sound/soc/codecs/ab8500-codec.c | 79 | ||||
-rw-r--r-- | sound/soc/codecs/ab8500-codec.h | 42 | ||||
-rw-r--r-- | sound/soc/ux500/mop500_ab8500.c | 36 | ||||
-rw-r--r-- | sound/soc/ux500/ux500_msp_dai.c | 11 | ||||
-rw-r--r-- | sound/soc/ux500/ux500_msp_dai.h | 4 | ||||
-rw-r--r-- | sound/soc/ux500/ux500_msp_i2s.c | 88 | ||||
-rw-r--r-- | sound/soc/ux500/ux500_msp_i2s.h | 74 | ||||
-rw-r--r-- | sound/soc/ux500/ux500_pcm.c | 30 |
8 files changed, 159 insertions, 205 deletions
diff --git a/sound/soc/codecs/ab8500-codec.c b/sound/soc/codecs/ab8500-codec.c index 3126cac..b8ba0ad 100644 --- a/sound/soc/codecs/ab8500-codec.c +++ b/sound/soc/codecs/ab8500-codec.c @@ -2236,7 +2236,7 @@ static int ab8500_codec_set_dai_tdm_slot(struct snd_soc_dai *dai, int slots, int slot_width) { struct snd_soc_codec *codec = dai->codec; - unsigned int val, mask, slots_active; + unsigned int val, mask, slot, slots_active; mask = BIT(AB8500_DIGIFCONF2_IF0WL0) | BIT(AB8500_DIGIFCONF2_IF0WL1); @@ -2292,27 +2292,34 @@ static int ab8500_codec_set_dai_tdm_slot(struct snd_soc_dai *dai, snd_soc_update_bits(codec, AB8500_DIGIFCONF1, mask, val); /* Setup TDM DA according to active tx slots */ + + if (tx_mask & ~0xff) + return -EINVAL; + mask = AB8500_DASLOTCONFX_SLTODAX_MASK; + tx_mask = tx_mask << AB8500_DA_DATA0_OFFSET; slots_active = hweight32(tx_mask); + dev_dbg(dai->codec->dev, "%s: Slots, active, TX: %d\n", __func__, slots_active); + switch (slots_active) { case 0: break; case 1: - /* Slot 9 -> DA_IN1 & DA_IN3 */ - snd_soc_update_bits(codec, AB8500_DASLOTCONF1, mask, 11); - snd_soc_update_bits(codec, AB8500_DASLOTCONF3, mask, 11); - snd_soc_update_bits(codec, AB8500_DASLOTCONF2, mask, 11); - snd_soc_update_bits(codec, AB8500_DASLOTCONF4, mask, 11); + slot = find_first_bit((unsigned long *)&tx_mask, 32); + snd_soc_update_bits(codec, AB8500_DASLOTCONF1, mask, slot); + snd_soc_update_bits(codec, AB8500_DASLOTCONF3, mask, slot); + snd_soc_update_bits(codec, AB8500_DASLOTCONF2, mask, slot); + snd_soc_update_bits(codec, AB8500_DASLOTCONF4, mask, slot); break; case 2: - /* Slot 9 -> DA_IN1 & DA_IN3, Slot 11 -> DA_IN2 & DA_IN4 */ - snd_soc_update_bits(codec, AB8500_DASLOTCONF1, mask, 9); - snd_soc_update_bits(codec, AB8500_DASLOTCONF3, mask, 9); - snd_soc_update_bits(codec, AB8500_DASLOTCONF2, mask, 11); - snd_soc_update_bits(codec, AB8500_DASLOTCONF4, mask, 11); - + slot = find_first_bit((unsigned long *)&tx_mask, 32); + snd_soc_update_bits(codec, AB8500_DASLOTCONF1, mask, slot); + snd_soc_update_bits(codec, AB8500_DASLOTCONF3, mask, slot); + slot = find_next_bit((unsigned long *)&tx_mask, 32, slot + 1); + snd_soc_update_bits(codec, AB8500_DASLOTCONF2, mask, slot); + snd_soc_update_bits(codec, AB8500_DASLOTCONF4, mask, slot); break; case 8: dev_dbg(dai->codec->dev, @@ -2327,25 +2334,36 @@ static int ab8500_codec_set_dai_tdm_slot(struct snd_soc_dai *dai, } /* Setup TDM AD according to active RX-slots */ + + if (rx_mask & ~0xff) + return -EINVAL; + + rx_mask = rx_mask << AB8500_AD_DATA0_OFFSET; slots_active = hweight32(rx_mask); + dev_dbg(dai->codec->dev, "%s: Slots, active, RX: %d\n", __func__, slots_active); + switch (slots_active) { case 0: break; case 1: - /* AD_OUT3 -> slot 0 & 1 */ - snd_soc_update_bits(codec, AB8500_ADSLOTSEL1, AB8500_MASK_ALL, - AB8500_ADSLOTSELX_AD_OUT3_TO_SLOT_EVEN | - AB8500_ADSLOTSELX_AD_OUT3_TO_SLOT_ODD); + slot = find_first_bit((unsigned long *)&rx_mask, 32); + snd_soc_update_bits(codec, AB8500_ADSLOTSEL(slot), + AB8500_MASK_SLOT(slot), + AB8500_ADSLOTSELX_AD_OUT_TO_SLOT(AB8500_AD_OUT3, slot)); break; case 2: - /* AD_OUT3 -> slot 0, AD_OUT2 -> slot 1 */ + slot = find_first_bit((unsigned long *)&rx_mask, 32); + snd_soc_update_bits(codec, + AB8500_ADSLOTSEL(slot), + AB8500_MASK_SLOT(slot), + AB8500_ADSLOTSELX_AD_OUT_TO_SLOT(AB8500_AD_OUT3, slot)); + slot = find_next_bit((unsigned long *)&rx_mask, 32, slot + 1); snd_soc_update_bits(codec, - AB8500_ADSLOTSEL1, - AB8500_MASK_ALL, - AB8500_ADSLOTSELX_AD_OUT3_TO_SLOT_EVEN | - AB8500_ADSLOTSELX_AD_OUT2_TO_SLOT_ODD); + AB8500_ADSLOTSEL(slot), + AB8500_MASK_SLOT(slot), + AB8500_ADSLOTSELX_AD_OUT_TO_SLOT(AB8500_AD_OUT2, slot)); break; case 8: dev_dbg(dai->codec->dev, @@ -2362,6 +2380,11 @@ static int ab8500_codec_set_dai_tdm_slot(struct snd_soc_dai *dai, return 0; } +static const struct snd_soc_dai_ops ab8500_codec_ops = { + .set_fmt = ab8500_codec_set_dai_fmt, + .set_tdm_slot = ab8500_codec_set_dai_tdm_slot, +}; + static struct snd_soc_dai_driver ab8500_codec_dai[] = { { .name = "ab8500-codec-dai.0", @@ -2373,12 +2396,7 @@ static struct snd_soc_dai_driver ab8500_codec_dai[] = { .rates = AB8500_SUPPORTED_RATE, .formats = AB8500_SUPPORTED_FMT, }, - .ops = (struct snd_soc_dai_ops[]) { - { - .set_tdm_slot = ab8500_codec_set_dai_tdm_slot, - .set_fmt = ab8500_codec_set_dai_fmt, - } - }, + .ops = &ab8500_codec_ops, .symmetric_rates = 1 }, { @@ -2391,12 +2409,7 @@ static struct snd_soc_dai_driver ab8500_codec_dai[] = { .rates = AB8500_SUPPORTED_RATE, .formats = AB8500_SUPPORTED_FMT, }, - .ops = (struct snd_soc_dai_ops[]) { - { - .set_tdm_slot = ab8500_codec_set_dai_tdm_slot, - .set_fmt = ab8500_codec_set_dai_fmt, - } - }, + .ops = &ab8500_codec_ops, .symmetric_rates = 1 } }; diff --git a/sound/soc/codecs/ab8500-codec.h b/sound/soc/codecs/ab8500-codec.h index 306d0bc..e2e5442 100644 --- a/sound/soc/codecs/ab8500-codec.h +++ b/sound/soc/codecs/ab8500-codec.h @@ -24,6 +24,13 @@ #define AB8500_SUPPORTED_RATE (SNDRV_PCM_RATE_48000) #define AB8500_SUPPORTED_FMT (SNDRV_PCM_FMTBIT_S16_LE) +/* AB8500 interface slot offset definitions */ + +#define AB8500_AD_DATA0_OFFSET 0 +#define AB8500_DA_DATA0_OFFSET 8 +#define AB8500_AD_DATA1_OFFSET 16 +#define AB8500_DA_DATA1_OFFSET 24 + /* AB8500 audio bank (0x0d) register definitions */ #define AB8500_POWERUP 0x00 @@ -73,6 +80,7 @@ #define AB8500_ADSLOTSEL14 0x2C #define AB8500_ADSLOTSEL15 0x2D #define AB8500_ADSLOTSEL16 0x2E +#define AB8500_ADSLOTSEL(slot) (AB8500_ADSLOTSEL1 + (slot >> 1)) #define AB8500_ADSLOTHIZCTRL1 0x2F #define AB8500_ADSLOTHIZCTRL2 0x30 #define AB8500_ADSLOTHIZCTRL3 0x31 @@ -144,6 +152,7 @@ #define AB8500_CACHEREGNUM (AB8500_LAST_REG + 1) #define AB8500_MASK_ALL 0xFF +#define AB8500_MASK_SLOT(slot) ((slot & 1) ? 0xF0 : 0x0F) #define AB8500_MASK_NONE 0x00 /* AB8500_POWERUP */ @@ -347,28 +356,21 @@ #define AB8500_DIGIFCONF4_IF1WL0 0 /* AB8500_ADSLOTSELX */ -#define AB8500_ADSLOTSELX_AD_OUT1_TO_SLOT_ODD 0x00 -#define AB8500_ADSLOTSELX_AD_OUT2_TO_SLOT_ODD 0x10 -#define AB8500_ADSLOTSELX_AD_OUT3_TO_SLOT_ODD 0x20 -#define AB8500_ADSLOTSELX_AD_OUT4_TO_SLOT_ODD 0x30 -#define AB8500_ADSLOTSELX_AD_OUT5_TO_SLOT_ODD 0x40 -#define AB8500_ADSLOTSELX_AD_OUT6_TO_SLOT_ODD 0x50 -#define AB8500_ADSLOTSELX_AD_OUT7_TO_SLOT_ODD 0x60 -#define AB8500_ADSLOTSELX_AD_OUT8_TO_SLOT_ODD 0x70 -#define AB8500_ADSLOTSELX_ZEROES_TO_SLOT_ODD 0x80 -#define AB8500_ADSLOTSELX_TRISTATE_TO_SLOT_ODD 0xF0 -#define AB8500_ADSLOTSELX_AD_OUT1_TO_SLOT_EVEN 0x00 -#define AB8500_ADSLOTSELX_AD_OUT2_TO_SLOT_EVEN 0x01 -#define AB8500_ADSLOTSELX_AD_OUT3_TO_SLOT_EVEN 0x02 -#define AB8500_ADSLOTSELX_AD_OUT4_TO_SLOT_EVEN 0x03 -#define AB8500_ADSLOTSELX_AD_OUT5_TO_SLOT_EVEN 0x04 -#define AB8500_ADSLOTSELX_AD_OUT6_TO_SLOT_EVEN 0x05 -#define AB8500_ADSLOTSELX_AD_OUT7_TO_SLOT_EVEN 0x06 -#define AB8500_ADSLOTSELX_AD_OUT8_TO_SLOT_EVEN 0x07 -#define AB8500_ADSLOTSELX_ZEROES_TO_SLOT_EVEN 0x08 -#define AB8500_ADSLOTSELX_TRISTATE_TO_SLOT_EVEN 0x0F +#define AB8500_AD_OUT1 0x0 +#define AB8500_AD_OUT2 0x1 +#define AB8500_AD_OUT3 0x2 +#define AB8500_AD_OUT4 0x3 +#define AB8500_AD_OUT5 0x4 +#define AB8500_AD_OUT6 0x5 +#define AB8500_AD_OUT7 0x6 +#define AB8500_AD_OUT8 0x7 +#define AB8500_ZEROES 0x8 +#define AB8500_TRISTATE 0xF #define AB8500_ADSLOTSELX_EVEN_SHIFT 0 #define AB8500_ADSLOTSELX_ODD_SHIFT 4 +#define AB8500_ADSLOTSELX_AD_OUT_TO_SLOT(out, slot) \ + ((out) << (((slot) & 1) ? \ + AB8500_ADSLOTSELX_ODD_SHIFT : AB8500_ADSLOTSELX_EVEN_SHIFT)) /* AB8500_ADSLOTHIZCTRL1 */ /* AB8500_ADSLOTHIZCTRL2 */ diff --git a/sound/soc/ux500/mop500_ab8500.c b/sound/soc/ux500/mop500_ab8500.c index 884a362..7e923ec 100644 --- a/sound/soc/ux500/mop500_ab8500.c +++ b/sound/soc/ux500/mop500_ab8500.c @@ -16,6 +16,7 @@ #include <linux/device.h> #include <linux/io.h> #include <linux/clk.h> +#include <linux/mutex.h> #include <sound/soc.h> #include <sound/soc-dapm.h> @@ -24,6 +25,7 @@ #include "ux500_pcm.h" #include "ux500_msp_dai.h" +#include "mop500_ab8500.h" #include "../codecs/ab8500-codec.h" #define TX_SLOT_MONO 0x0008 @@ -43,6 +45,12 @@ static unsigned int tx_slots = DEF_TX_SLOTS; static unsigned int rx_slots = DEF_RX_SLOTS; +/* Configuration consistency parameters */ +static DEFINE_MUTEX(mop500_ab8500_params_lock); +static unsigned long mop500_ab8500_usage; +static int mop500_ab8500_rate; +static int mop500_ab8500_channels; + /* Clocks */ static const char * const enum_mclk[] = { "SYSCLK", @@ -230,6 +238,21 @@ static int mop500_ab8500_hw_params(struct snd_pcm_substream *substream, substream->name, substream->number); + /* Ensure configuration consistency between DAIs */ + mutex_lock(&mop500_ab8500_params_lock); + if (mop500_ab8500_usage) { + if (mop500_ab8500_rate != params_rate(params) || + mop500_ab8500_channels != params_channels(params)) { + mutex_unlock(&mop500_ab8500_params_lock); + return -EBUSY; + } + } else { + mop500_ab8500_rate = params_rate(params); + mop500_ab8500_channels = params_channels(params); + } + __set_bit(cpu_dai->id, &mop500_ab8500_usage); + mutex_unlock(&mop500_ab8500_params_lock); + channels = params_channels(params); switch (params_format(params)) { @@ -328,9 +351,22 @@ static int mop500_ab8500_hw_params(struct snd_pcm_substream *substream, return 0; } +static int mop500_ab8500_hw_free(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + + mutex_lock(&mop500_ab8500_params_lock); + __clear_bit(cpu_dai->id, &mop500_ab8500_usage); + mutex_unlock(&mop500_ab8500_params_lock); + + return 0; +} + struct snd_soc_ops mop500_ab8500_ops[] = { { .hw_params = mop500_ab8500_hw_params, + .hw_free = mop500_ab8500_hw_free, .startup = mop500_ab8500_startup, .shutdown = mop500_ab8500_shutdown, } diff --git a/sound/soc/ux500/ux500_msp_dai.c b/sound/soc/ux500/ux500_msp_dai.c index 7d5fc13..c6fb5cc 100644 --- a/sound/soc/ux500/ux500_msp_dai.c +++ b/sound/soc/ux500/ux500_msp_dai.c @@ -658,14 +658,11 @@ static int ux500_msp_dai_probe(struct snd_soc_dai *dai) { struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev); - drvdata->playback_dma_data.dma_cfg = drvdata->msp->dma_cfg_tx; - drvdata->capture_dma_data.dma_cfg = drvdata->msp->dma_cfg_rx; + dai->playback_dma_data = &drvdata->msp->playback_dma_data; + dai->capture_dma_data = &drvdata->msp->capture_dma_data; - dai->playback_dma_data = &drvdata->playback_dma_data; - dai->capture_dma_data = &drvdata->capture_dma_data; - - drvdata->playback_dma_data.data_size = drvdata->slot_width; - drvdata->capture_dma_data.data_size = drvdata->slot_width; + drvdata->msp->playback_dma_data.data_size = drvdata->slot_width; + drvdata->msp->capture_dma_data.data_size = drvdata->slot_width; return 0; } diff --git a/sound/soc/ux500/ux500_msp_dai.h b/sound/soc/ux500/ux500_msp_dai.h index f531043..312ae53 100644 --- a/sound/soc/ux500/ux500_msp_dai.h +++ b/sound/soc/ux500/ux500_msp_dai.h @@ -51,15 +51,11 @@ enum ux500_msp_clock_id { struct ux500_msp_i2s_drvdata { struct ux500_msp *msp; struct regulator *reg_vape; - struct ux500_msp_dma_params playback_dma_data; - struct ux500_msp_dma_params capture_dma_data; unsigned int fmt; unsigned int tx_mask; unsigned int rx_mask; int slots; int slot_width; - u8 configured; - int data_delay; /* Clocks */ unsigned int master_clk; diff --git a/sound/soc/ux500/ux500_msp_i2s.c b/sound/soc/ux500/ux500_msp_i2s.c index f2db6c9..1ca8b08 100644 --- a/sound/soc/ux500/ux500_msp_i2s.c +++ b/sound/soc/ux500/ux500_msp_i2s.c @@ -15,7 +15,6 @@ #include <linux/module.h> #include <linux/platform_device.h> -#include <linux/pinctrl/consumer.h> #include <linux/delay.h> #include <linux/slab.h> #include <linux/io.h> @@ -26,9 +25,6 @@ #include "ux500_msp_i2s.h" -/* MSP1/3 Tx/Rx usage protection */ -static DEFINE_SPINLOCK(msp_rxtx_lock); - /* Protocol desciptors */ static const struct msp_protdesc prot_descs[] = { { /* I2S */ @@ -356,24 +352,8 @@ static int configure_multichannel(struct ux500_msp *msp, static int enable_msp(struct ux500_msp *msp, struct ux500_msp_config *config) { - int status = 0, retval = 0; + int status = 0; u32 reg_val_DMACR, reg_val_GCR; - unsigned long flags; - - /* Check msp state whether in RUN or CONFIGURED Mode */ - if (msp->msp_state == MSP_STATE_IDLE) { - spin_lock_irqsave(&msp_rxtx_lock, flags); - if (msp->pinctrl_rxtx_ref == 0 && - !(IS_ERR(msp->pinctrl_p) || IS_ERR(msp->pinctrl_def))) { - retval = pinctrl_select_state(msp->pinctrl_p, - msp->pinctrl_def); - if (retval) - pr_err("could not set MSP defstate\n"); - } - if (!retval) - msp->pinctrl_rxtx_ref++; - spin_unlock_irqrestore(&msp_rxtx_lock, flags); - } /* Configure msp with protocol dependent settings */ configure_protocol(msp, config); @@ -387,12 +367,14 @@ static int enable_msp(struct ux500_msp *msp, struct ux500_msp_config *config) } /* Make sure the correct DMA-directions are configured */ - if ((config->direction & MSP_DIR_RX) && (!msp->dma_cfg_rx)) { + if ((config->direction & MSP_DIR_RX) && + !msp->capture_dma_data.dma_cfg) { dev_err(msp->dev, "%s: ERROR: MSP RX-mode is not configured!", __func__); return -EINVAL; } - if ((config->direction == MSP_DIR_TX) && (!msp->dma_cfg_tx)) { + if ((config->direction == MSP_DIR_TX) && + !msp->playback_dma_data.dma_cfg) { dev_err(msp->dev, "%s: ERROR: MSP TX-mode is not configured!", __func__); return -EINVAL; @@ -630,8 +612,7 @@ int ux500_msp_i2s_trigger(struct ux500_msp *msp, int cmd, int direction) int ux500_msp_i2s_close(struct ux500_msp *msp, unsigned int dir) { - int status = 0, retval = 0; - unsigned long flags; + int status = 0; dev_dbg(msp->dev, "%s: Enter (dir = 0x%01x).\n", __func__, dir); @@ -643,18 +624,6 @@ int ux500_msp_i2s_close(struct ux500_msp *msp, unsigned int dir) (~(FRAME_GEN_ENABLE | SRG_ENABLE))), msp->registers + MSP_GCR); - spin_lock_irqsave(&msp_rxtx_lock, flags); - WARN_ON(!msp->pinctrl_rxtx_ref); - msp->pinctrl_rxtx_ref--; - if (msp->pinctrl_rxtx_ref == 0 && - !(IS_ERR(msp->pinctrl_p) || IS_ERR(msp->pinctrl_sleep))) { - retval = pinctrl_select_state(msp->pinctrl_p, - msp->pinctrl_sleep); - if (retval) - pr_err("could not set MSP sleepstate\n"); - } - spin_unlock_irqrestore(&msp_rxtx_lock, flags); - writel(0, msp->registers + MSP_GCR); writel(0, msp->registers + MSP_TCF); writel(0, msp->registers + MSP_RCF); @@ -682,7 +651,6 @@ int ux500_msp_i2s_init_msp(struct platform_device *pdev, struct msp_i2s_platform_data *platform_data) { struct resource *res = NULL; - struct i2s_controller *i2s_cont; struct device_node *np = pdev->dev.of_node; struct ux500_msp *msp; @@ -707,8 +675,8 @@ int ux500_msp_i2s_init_msp(struct platform_device *pdev, msp->id = platform_data->id; msp->dev = &pdev->dev; - msp->dma_cfg_rx = platform_data->msp_i2s_dma_rx; - msp->dma_cfg_tx = platform_data->msp_i2s_dma_tx; + msp->playback_dma_data.dma_cfg = platform_data->msp_i2s_dma_tx; + msp->capture_dma_data.dma_cfg = platform_data->msp_i2s_dma_rx; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (res == NULL) { @@ -717,6 +685,9 @@ int ux500_msp_i2s_init_msp(struct platform_device *pdev, return -ENOMEM; } + msp->playback_dma_data.tx_rx_addr = res->start + MSP_DR; + msp->capture_dma_data.tx_rx_addr = res->start + MSP_DR; + msp->registers = devm_ioremap(&pdev->dev, res->start, resource_size(res)); if (msp->registers == NULL) { @@ -727,41 +698,6 @@ int ux500_msp_i2s_init_msp(struct platform_device *pdev, msp->msp_state = MSP_STATE_IDLE; msp->loopback_enable = 0; - /* I2S-controller is allocated and added in I2S controller class. */ - i2s_cont = devm_kzalloc(&pdev->dev, sizeof(*i2s_cont), GFP_KERNEL); - if (!i2s_cont) { - dev_err(&pdev->dev, - "%s: ERROR: Failed to allocate I2S-controller!\n", - __func__); - return -ENOMEM; - } - i2s_cont->dev.parent = &pdev->dev; - i2s_cont->data = (void *)msp; - i2s_cont->id = (s16)msp->id; - snprintf(i2s_cont->name, sizeof(i2s_cont->name), "ux500-msp-i2s.%04x", - msp->id); - dev_dbg(&pdev->dev, "I2S device-name: '%s'\n", i2s_cont->name); - msp->i2s_cont = i2s_cont; - - msp->pinctrl_p = pinctrl_get(msp->dev); - if (IS_ERR(msp->pinctrl_p)) - dev_err(&pdev->dev, "could not get MSP pinctrl\n"); - else { - msp->pinctrl_def = pinctrl_lookup_state(msp->pinctrl_p, - PINCTRL_STATE_DEFAULT); - if (IS_ERR(msp->pinctrl_def)) { - dev_err(&pdev->dev, - "could not get MSP defstate (%li)\n", - PTR_ERR(msp->pinctrl_def)); - } - msp->pinctrl_sleep = pinctrl_lookup_state(msp->pinctrl_p, - PINCTRL_STATE_SLEEP); - if (IS_ERR(msp->pinctrl_sleep)) - dev_err(&pdev->dev, - "could not get MSP idlestate (%li)\n", - PTR_ERR(msp->pinctrl_def)); - } - return 0; } @@ -769,8 +705,6 @@ void ux500_msp_i2s_cleanup_msp(struct platform_device *pdev, struct ux500_msp *msp) { dev_dbg(msp->dev, "%s: Enter (id = %d).\n", __func__, msp->id); - - device_unregister(&msp->i2s_cont->dev); } MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/ux500/ux500_msp_i2s.h b/sound/soc/ux500/ux500_msp_i2s.h index e5cd105..258d0bc 100644 --- a/sound/soc/ux500/ux500_msp_i2s.h +++ b/sound/soc/ux500/ux500_msp_i2s.h @@ -16,6 +16,7 @@ #define UX500_MSP_I2S_H #include <linux/platform_device.h> +#include <linux/platform_data/asoc-ux500-msp.h> #define MSP_INPUT_FREQ_APB 48000000 @@ -341,11 +342,6 @@ enum msp_compress_mode { MSP_COMPRESS_MODE_A_LAW = 3 }; -enum msp_spi_burst_mode { - MSP_SPI_BURST_MODE_DISABLE = 0, - MSP_SPI_BURST_MODE_ENABLE = 1 -}; - enum msp_expand_mode { MSP_EXPAND_MODE_LINEAR = 0, MSP_EXPAND_MODE_LINEAR_SIGNED = 1, @@ -370,13 +366,6 @@ enum msp_protocol { */ #define MAX_MSP_BACKUP_REGS 36 -enum enum_i2s_controller { - MSP_0_I2S_CONTROLLER = 0, - MSP_1_I2S_CONTROLLER, - MSP_2_I2S_CONTROLLER, - MSP_3_I2S_CONTROLLER, -}; - enum i2s_direction_t { MSP_DIR_TX = 0x01, MSP_DIR_RX = 0x02, @@ -454,32 +443,6 @@ struct msp_protdesc { u32 clocks_per_frame; }; -struct i2s_message { - enum i2s_direction_t i2s_direction; - void *txdata; - void *rxdata; - size_t txbytes; - size_t rxbytes; - int dma_flag; - int tx_offset; - int rx_offset; - bool cyclic_dma; - dma_addr_t buf_addr; - size_t buf_len; - size_t period_len; -}; - -struct i2s_controller { - struct module *owner; - unsigned int id; - unsigned int class; - const struct i2s_algorithm *algo; /* the algorithm to access the bus */ - void *data; - struct mutex bus_lock; - struct device dev; /* the controller device */ - char name[48]; -}; - struct ux500_msp_config { unsigned int f_inputclk; unsigned int rx_clk_sel; @@ -491,8 +454,6 @@ struct ux500_msp_config { unsigned int tx_fsync_sel; unsigned int rx_fifo_config; unsigned int tx_fifo_config; - unsigned int spi_clk_mode; - unsigned int spi_burst_mode; unsigned int loopback_enable; unsigned int tx_data_enable; unsigned int default_protdesc; @@ -502,43 +463,28 @@ struct ux500_msp_config { unsigned int direction; unsigned int protocol; unsigned int frame_freq; - unsigned int frame_size; enum msp_data_size data_size; unsigned int def_elem_len; unsigned int iodelay; - void (*handler) (void *data); - void *tx_callback_data; - void *rx_callback_data; +}; + +struct ux500_msp_dma_params { + unsigned int data_size; + dma_addr_t tx_rx_addr; + struct stedma40_chan_cfg *dma_cfg; }; struct ux500_msp { - enum enum_i2s_controller id; + enum msp_i2s_id id; void __iomem *registers; struct device *dev; - struct i2s_controller *i2s_cont; - struct stedma40_chan_cfg *dma_cfg_rx; - struct stedma40_chan_cfg *dma_cfg_tx; - struct dma_chan *tx_pipeid; - struct dma_chan *rx_pipeid; + struct ux500_msp_dma_params playback_dma_data; + struct ux500_msp_dma_params capture_dma_data; enum msp_state msp_state; - int (*transfer) (struct ux500_msp *msp, struct i2s_message *message); - struct timer_list notify_timer; int def_elem_len; unsigned int dir_busy; int loopback_enable; - u32 backup_regs[MAX_MSP_BACKUP_REGS]; unsigned int f_bitclk; - /* Pin modes */ - struct pinctrl *pinctrl_p; - struct pinctrl_state *pinctrl_def; - struct pinctrl_state *pinctrl_sleep; - /* Reference Count */ - int pinctrl_rxtx_ref; -}; - -struct ux500_msp_dma_params { - unsigned int data_size; - struct stedma40_chan_cfg *dma_cfg; }; struct msp_i2s_platform_data; diff --git a/sound/soc/ux500/ux500_pcm.c b/sound/soc/ux500/ux500_pcm.c index b6e5ae2..5f01c19 100644 --- a/sound/soc/ux500/ux500_pcm.c +++ b/sound/soc/ux500/ux500_pcm.c @@ -103,10 +103,40 @@ static struct dma_chan *ux500_pcm_request_chan(struct snd_soc_pcm_runtime *rtd, return snd_dmaengine_pcm_request_channel(stedma40_filter, dma_cfg); } +static int ux500_pcm_prepare_slave_config(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params, + struct dma_slave_config *slave_config) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct ux500_msp_dma_params *dma_params; + struct stedma40_chan_cfg *dma_cfg; + int ret; + + dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); + dma_cfg = dma_params->dma_cfg; + + ret = snd_hwparams_to_dma_slave_config(substream, params, slave_config); + if (ret) + return ret; + + slave_config->dst_maxburst = 4; + slave_config->dst_addr_width = dma_cfg->dst_info.data_width; + slave_config->src_maxburst = 4; + slave_config->src_addr_width = dma_cfg->src_info.data_width; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + slave_config->dst_addr = dma_params->tx_rx_addr; + else + slave_config->src_addr = dma_params->tx_rx_addr; + + return 0; +} + static const struct snd_dmaengine_pcm_config ux500_dmaengine_pcm_config = { .pcm_hardware = &ux500_pcm_hw, .compat_request_channel = ux500_pcm_request_chan, .prealloc_buffer_size = 128 * 1024, + .prepare_slave_config = ux500_pcm_prepare_slave_config, }; int ux500_pcm_register_platform(struct platform_device *pdev) |