diff options
Diffstat (limited to 'sound/soc/omap/omap-mcpdm.c')
| -rw-r--r-- | sound/soc/omap/omap-mcpdm.c | 619 |
1 files changed, 0 insertions, 619 deletions
diff --git a/sound/soc/omap/omap-mcpdm.c b/sound/soc/omap/omap-mcpdm.c deleted file mode 100644 index 7d5bdc5a2890..000000000000 --- a/sound/soc/omap/omap-mcpdm.c +++ /dev/null @@ -1,619 +0,0 @@ -/* - * omap-mcpdm.c -- OMAP ALSA SoC DAI driver using McPDM port - * - * Copyright (C) 2009 - 2011 Texas Instruments - * - * Author: Misael Lopez Cruz <misael.lopez@ti.com> - * Contact: Jorge Eduardo Candelaria <x0107209@ti.com> - * Margarita Olaya <magi.olaya@ti.com> - * Peter Ujfalusi <peter.ujfalusi@ti.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 as published by the Free Software Foundation. - * - * 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., 51 Franklin St, Fifth Floor, Boston, MA - * 02110-1301 USA - * - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/platform_device.h> -#include <linux/interrupt.h> -#include <linux/err.h> -#include <linux/io.h> -#include <linux/irq.h> -#include <linux/slab.h> -#include <linux/pm_runtime.h> -#include <linux/of_device.h> - -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/soc.h> -#include <sound/dmaengine_pcm.h> - -#include "omap-mcpdm.h" -#include "sdma-pcm.h" - -struct mcpdm_link_config { - u32 link_mask; /* channel mask for the direction */ - u32 threshold; /* FIFO threshold */ -}; - -struct omap_mcpdm { - struct device *dev; - unsigned long phys_base; - void __iomem *io_base; - int irq; - struct pm_qos_request pm_qos_req; - int latency[2]; - - struct mutex mutex; - - /* Playback/Capture configuration */ - struct mcpdm_link_config config[2]; - - /* McPDM dn offsets for rx1, and 2 channels */ - u32 dn_rx_offset; - - /* McPDM needs to be restarted due to runtime reconfiguration */ - bool restart; - - /* pm state for suspend/resume handling */ - int pm_active_count; - - struct snd_dmaengine_dai_dma_data dma_data[2]; -}; - -/* - * Stream DMA parameters - */ - -static inline void omap_mcpdm_write(struct omap_mcpdm *mcpdm, u16 reg, u32 val) -{ - writel_relaxed(val, mcpdm->io_base + reg); -} - -static inline int omap_mcpdm_read(struct omap_mcpdm *mcpdm, u16 reg) -{ - return readl_relaxed(mcpdm->io_base + reg); -} - -#ifdef DEBUG -static void omap_mcpdm_reg_dump(struct omap_mcpdm *mcpdm) -{ - dev_dbg(mcpdm->dev, "***********************\n"); - dev_dbg(mcpdm->dev, "IRQSTATUS_RAW: 0x%04x\n", - omap_mcpdm_read(mcpdm, MCPDM_REG_IRQSTATUS_RAW)); - dev_dbg(mcpdm->dev, "IRQSTATUS: 0x%04x\n", - omap_mcpdm_read(mcpdm, MCPDM_REG_IRQSTATUS)); - dev_dbg(mcpdm->dev, "IRQENABLE_SET: 0x%04x\n", - omap_mcpdm_read(mcpdm, MCPDM_REG_IRQENABLE_SET)); - dev_dbg(mcpdm->dev, "IRQENABLE_CLR: 0x%04x\n", - omap_mcpdm_read(mcpdm, MCPDM_REG_IRQENABLE_CLR)); - dev_dbg(mcpdm->dev, "IRQWAKE_EN: 0x%04x\n", - omap_mcpdm_read(mcpdm, MCPDM_REG_IRQWAKE_EN)); - dev_dbg(mcpdm->dev, "DMAENABLE_SET: 0x%04x\n", - omap_mcpdm_read(mcpdm, MCPDM_REG_DMAENABLE_SET)); - dev_dbg(mcpdm->dev, "DMAENABLE_CLR: 0x%04x\n", - omap_mcpdm_read(mcpdm, MCPDM_REG_DMAENABLE_CLR)); - dev_dbg(mcpdm->dev, "DMAWAKEEN: 0x%04x\n", - omap_mcpdm_read(mcpdm, MCPDM_REG_DMAWAKEEN)); - dev_dbg(mcpdm->dev, "CTRL: 0x%04x\n", - omap_mcpdm_read(mcpdm, MCPDM_REG_CTRL)); - dev_dbg(mcpdm->dev, "DN_DATA: 0x%04x\n", - omap_mcpdm_read(mcpdm, MCPDM_REG_DN_DATA)); - dev_dbg(mcpdm->dev, "UP_DATA: 0x%04x\n", - omap_mcpdm_read(mcpdm, MCPDM_REG_UP_DATA)); - dev_dbg(mcpdm->dev, "FIFO_CTRL_DN: 0x%04x\n", - omap_mcpdm_read(mcpdm, MCPDM_REG_FIFO_CTRL_DN)); - dev_dbg(mcpdm->dev, "FIFO_CTRL_UP: 0x%04x\n", - omap_mcpdm_read(mcpdm, MCPDM_REG_FIFO_CTRL_UP)); - dev_dbg(mcpdm->dev, "***********************\n"); -} -#else -static void omap_mcpdm_reg_dump(struct omap_mcpdm *mcpdm) {} -#endif - -/* - * Enables the transfer through the PDM interface to/from the Phoenix - * codec by enabling the corresponding UP or DN channels. - */ -static void omap_mcpdm_start(struct omap_mcpdm *mcpdm) -{ - u32 ctrl = omap_mcpdm_read(mcpdm, MCPDM_REG_CTRL); - u32 link_mask = mcpdm->config[0].link_mask | mcpdm->config[1].link_mask; - - ctrl |= (MCPDM_SW_DN_RST | MCPDM_SW_UP_RST); - omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL, ctrl); - - ctrl |= link_mask; - omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL, ctrl); - - ctrl &= ~(MCPDM_SW_DN_RST | MCPDM_SW_UP_RST); - omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL, ctrl); -} - -/* - * Disables the transfer through the PDM interface to/from the Phoenix - * codec by disabling the corresponding UP or DN channels. - */ -static void omap_mcpdm_stop(struct omap_mcpdm *mcpdm) -{ - u32 ctrl = omap_mcpdm_read(mcpdm, MCPDM_REG_CTRL); - u32 link_mask = MCPDM_PDM_DN_MASK | MCPDM_PDM_UP_MASK; - - ctrl |= (MCPDM_SW_DN_RST | MCPDM_SW_UP_RST); - omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL, ctrl); - - ctrl &= ~(link_mask); - omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL, ctrl); - - ctrl &= ~(MCPDM_SW_DN_RST | MCPDM_SW_UP_RST); - omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL, ctrl); - -} - -/* - * Is the physical McPDM interface active. - */ -static inline int omap_mcpdm_active(struct omap_mcpdm *mcpdm) -{ - return omap_mcpdm_read(mcpdm, MCPDM_REG_CTRL) & - (MCPDM_PDM_DN_MASK | MCPDM_PDM_UP_MASK); -} - -/* - * Configures McPDM uplink, and downlink for audio. - * This function should be called before omap_mcpdm_start. - */ -static void omap_mcpdm_open_streams(struct omap_mcpdm *mcpdm) -{ - u32 ctrl = omap_mcpdm_read(mcpdm, MCPDM_REG_CTRL); - - omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL, ctrl | MCPDM_WD_EN); - - omap_mcpdm_write(mcpdm, MCPDM_REG_IRQENABLE_SET, - MCPDM_DN_IRQ_EMPTY | MCPDM_DN_IRQ_FULL | - MCPDM_UP_IRQ_EMPTY | MCPDM_UP_IRQ_FULL); - - /* Enable DN RX1/2 offset cancellation feature, if configured */ - if (mcpdm->dn_rx_offset) { - u32 dn_offset = mcpdm->dn_rx_offset; - - omap_mcpdm_write(mcpdm, MCPDM_REG_DN_OFFSET, dn_offset); - dn_offset |= (MCPDM_DN_OFST_RX1_EN | MCPDM_DN_OFST_RX2_EN); - omap_mcpdm_write(mcpdm, MCPDM_REG_DN_OFFSET, dn_offset); - } - - omap_mcpdm_write(mcpdm, MCPDM_REG_FIFO_CTRL_DN, - mcpdm->config[SNDRV_PCM_STREAM_PLAYBACK].threshold); - omap_mcpdm_write(mcpdm, MCPDM_REG_FIFO_CTRL_UP, - mcpdm->config[SNDRV_PCM_STREAM_CAPTURE].threshold); - - omap_mcpdm_write(mcpdm, MCPDM_REG_DMAENABLE_SET, - MCPDM_DMA_DN_ENABLE | MCPDM_DMA_UP_ENABLE); -} - -/* - * Cleans McPDM uplink, and downlink configuration. - * This function should be called when the stream is closed. - */ -static void omap_mcpdm_close_streams(struct omap_mcpdm *mcpdm) -{ - /* Disable irq request generation for downlink */ - omap_mcpdm_write(mcpdm, MCPDM_REG_IRQENABLE_CLR, - MCPDM_DN_IRQ_EMPTY | MCPDM_DN_IRQ_FULL); - - /* Disable DMA request generation for downlink */ - omap_mcpdm_write(mcpdm, MCPDM_REG_DMAENABLE_CLR, MCPDM_DMA_DN_ENABLE); - - /* Disable irq request generation for uplink */ - omap_mcpdm_write(mcpdm, MCPDM_REG_IRQENABLE_CLR, - MCPDM_UP_IRQ_EMPTY | MCPDM_UP_IRQ_FULL); - - /* Disable DMA request generation for uplink */ - omap_mcpdm_write(mcpdm, MCPDM_REG_DMAENABLE_CLR, MCPDM_DMA_UP_ENABLE); - - /* Disable RX1/2 offset cancellation */ - if (mcpdm->dn_rx_offset) - omap_mcpdm_write(mcpdm, MCPDM_REG_DN_OFFSET, 0); -} - -static irqreturn_t omap_mcpdm_irq_handler(int irq, void *dev_id) -{ - struct omap_mcpdm *mcpdm = dev_id; - int irq_status; - - irq_status = omap_mcpdm_read(mcpdm, MCPDM_REG_IRQSTATUS); - - /* Acknowledge irq event */ - omap_mcpdm_write(mcpdm, MCPDM_REG_IRQSTATUS, irq_status); - - if (irq_status & MCPDM_DN_IRQ_FULL) - dev_dbg(mcpdm->dev, "DN (playback) FIFO Full\n"); - - if (irq_status & MCPDM_DN_IRQ_EMPTY) - dev_dbg(mcpdm->dev, "DN (playback) FIFO Empty\n"); - - if (irq_status & MCPDM_DN_IRQ) - dev_dbg(mcpdm->dev, "DN (playback) write request\n"); - - if (irq_status & MCPDM_UP_IRQ_FULL) - dev_dbg(mcpdm->dev, "UP (capture) FIFO Full\n"); - - if (irq_status & MCPDM_UP_IRQ_EMPTY) - dev_dbg(mcpdm->dev, "UP (capture) FIFO Empty\n"); - - if (irq_status & MCPDM_UP_IRQ) - dev_dbg(mcpdm->dev, "UP (capture) write request\n"); - - return IRQ_HANDLED; -} - -static int omap_mcpdm_dai_startup(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(dai); - - mutex_lock(&mcpdm->mutex); - - if (!dai->active) - omap_mcpdm_open_streams(mcpdm); - - mutex_unlock(&mcpdm->mutex); - - return 0; -} - -static void omap_mcpdm_dai_shutdown(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(dai); - int tx = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK); - int stream1 = tx ? SNDRV_PCM_STREAM_PLAYBACK : SNDRV_PCM_STREAM_CAPTURE; - int stream2 = tx ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; - - mutex_lock(&mcpdm->mutex); - - if (!dai->active) { - if (omap_mcpdm_active(mcpdm)) { - omap_mcpdm_stop(mcpdm); - omap_mcpdm_close_streams(mcpdm); - mcpdm->config[0].link_mask = 0; - mcpdm->config[1].link_mask = 0; - } - } - - if (mcpdm->latency[stream2]) - pm_qos_update_request(&mcpdm->pm_qos_req, - mcpdm->latency[stream2]); - else if (mcpdm->latency[stream1]) - pm_qos_remove_request(&mcpdm->pm_qos_req); - - mcpdm->latency[stream1] = 0; - - mutex_unlock(&mcpdm->mutex); -} - -static int omap_mcpdm_dai_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params, - struct snd_soc_dai *dai) -{ - struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(dai); - int stream = substream->stream; - struct snd_dmaengine_dai_dma_data *dma_data; - u32 threshold; - int channels, latency; - int link_mask = 0; - - channels = params_channels(params); - switch (channels) { - case 5: - if (stream == SNDRV_PCM_STREAM_CAPTURE) - /* up to 3 channels for capture */ - return -EINVAL; - link_mask |= 1 << 4; - /* fall through */ - case 4: - if (stream == SNDRV_PCM_STREAM_CAPTURE) - /* up to 3 channels for capture */ - return -EINVAL; - link_mask |= 1 << 3; - /* fall through */ - case 3: - link_mask |= 1 << 2; - /* fall through */ - case 2: - link_mask |= 1 << 1; - /* fall through */ - case 1: - link_mask |= 1 << 0; - break; - default: - /* unsupported number of channels */ - return -EINVAL; - } - - dma_data = snd_soc_dai_get_dma_data(dai, substream); - - threshold = mcpdm->config[stream].threshold; - /* Configure McPDM channels, and DMA packet size */ - if (stream == SNDRV_PCM_STREAM_PLAYBACK) { - link_mask <<= 3; - - /* If capture is not running assume a stereo stream to come */ - if (!mcpdm->config[!stream].link_mask) - mcpdm->config[!stream].link_mask = 0x3; - - dma_data->maxburst = - (MCPDM_DN_THRES_MAX - threshold) * channels; - latency = threshold; - } else { - /* If playback is not running assume a stereo stream to come */ - if (!mcpdm->config[!stream].link_mask) - mcpdm->config[!stream].link_mask = (0x3 << 3); - - dma_data->maxburst = threshold * channels; - latency = (MCPDM_DN_THRES_MAX - threshold); - } - - /* - * The DMA must act to a DMA request within latency time (usec) to avoid - * under/overflow - */ - mcpdm->latency[stream] = latency * USEC_PER_SEC / params_rate(params); - - if (!mcpdm->latency[stream]) - mcpdm->latency[stream] = 10; - - /* Check if we need to restart McPDM with this stream */ - if (mcpdm->config[stream].link_mask && - mcpdm->config[stream].link_mask != link_mask) - mcpdm->restart = true; - - mcpdm->config[stream].link_mask = link_mask; - - return 0; -} - -static int omap_mcpdm_prepare(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(dai); - struct pm_qos_request *pm_qos_req = &mcpdm->pm_qos_req; - int tx = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK); - int stream1 = tx ? SNDRV_PCM_STREAM_PLAYBACK : SNDRV_PCM_STREAM_CAPTURE; - int stream2 = tx ? SNDRV_PCM_STREAM_CAPTURE : SNDRV_PCM_STREAM_PLAYBACK; - int latency = mcpdm->latency[stream2]; - - /* Prevent omap hardware from hitting off between FIFO fills */ - if (!latency || mcpdm->latency[stream1] < latency) - latency = mcpdm->latency[stream1]; - - if (pm_qos_request_active(pm_qos_req)) - pm_qos_update_request(pm_qos_req, latency); - else if (latency) - pm_qos_add_request(pm_qos_req, PM_QOS_CPU_DMA_LATENCY, latency); - - if (!omap_mcpdm_active(mcpdm)) { - omap_mcpdm_start(mcpdm); - omap_mcpdm_reg_dump(mcpdm); - } else if (mcpdm->restart) { - omap_mcpdm_stop(mcpdm); - omap_mcpdm_start(mcpdm); - mcpdm->restart = false; - omap_mcpdm_reg_dump(mcpdm); - } - - return 0; -} - -static const struct snd_soc_dai_ops omap_mcpdm_dai_ops = { - .startup = omap_mcpdm_dai_startup, - .shutdown = omap_mcpdm_dai_shutdown, - .hw_params = omap_mcpdm_dai_hw_params, - .prepare = omap_mcpdm_prepare, -}; - -static int omap_mcpdm_probe(struct snd_soc_dai *dai) -{ - struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(dai); - int ret; - - pm_runtime_enable(mcpdm->dev); - - /* Disable lines while request is ongoing */ - pm_runtime_get_sync(mcpdm->dev); - omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL, 0x00); - - ret = request_irq(mcpdm->irq, omap_mcpdm_irq_handler, 0, "McPDM", - (void *)mcpdm); - - pm_runtime_put_sync(mcpdm->dev); - - if (ret) { - dev_err(mcpdm->dev, "Request for IRQ failed\n"); - pm_runtime_disable(mcpdm->dev); - } - - /* Configure McPDM threshold values */ - mcpdm->config[SNDRV_PCM_STREAM_PLAYBACK].threshold = 2; - mcpdm->config[SNDRV_PCM_STREAM_CAPTURE].threshold = - MCPDM_UP_THRES_MAX - 3; - - snd_soc_dai_init_dma_data(dai, - &mcpdm->dma_data[SNDRV_PCM_STREAM_PLAYBACK], - &mcpdm->dma_data[SNDRV_PCM_STREAM_CAPTURE]); - - return ret; -} - -static int omap_mcpdm_remove(struct snd_soc_dai *dai) -{ - struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(dai); - - free_irq(mcpdm->irq, (void *)mcpdm); - pm_runtime_disable(mcpdm->dev); - - if (pm_qos_request_active(&mcpdm->pm_qos_req)) - pm_qos_remove_request(&mcpdm->pm_qos_req); - - return 0; -} - -#ifdef CONFIG_PM_SLEEP -static int omap_mcpdm_suspend(struct snd_soc_dai *dai) -{ - struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(dai); - - if (dai->active) { - omap_mcpdm_stop(mcpdm); - omap_mcpdm_close_streams(mcpdm); - } - - mcpdm->pm_active_count = 0; - while (pm_runtime_active(mcpdm->dev)) { - pm_runtime_put_sync(mcpdm->dev); - mcpdm->pm_active_count++; - } - - return 0; -} - -static int omap_mcpdm_resume(struct snd_soc_dai *dai) -{ - struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(dai); - - if (mcpdm->pm_active_count) { - while (mcpdm->pm_active_count--) - pm_runtime_get_sync(mcpdm->dev); - - if (dai->active) { - omap_mcpdm_open_streams(mcpdm); - omap_mcpdm_start(mcpdm); - } - } - - - return 0; -} -#else -#define omap_mcpdm_suspend NULL -#define omap_mcpdm_resume NULL -#endif - -#define OMAP_MCPDM_RATES (SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) -#define OMAP_MCPDM_FORMATS SNDRV_PCM_FMTBIT_S32_LE - -static struct snd_soc_dai_driver omap_mcpdm_dai = { - .probe = omap_mcpdm_probe, - .remove = omap_mcpdm_remove, - .suspend = omap_mcpdm_suspend, - .resume = omap_mcpdm_resume, - .probe_order = SND_SOC_COMP_ORDER_LATE, - .remove_order = SND_SOC_COMP_ORDER_EARLY, - .playback = { - .channels_min = 1, - .channels_max = 5, - .rates = OMAP_MCPDM_RATES, - .formats = OMAP_MCPDM_FORMATS, - .sig_bits = 24, - }, - .capture = { - .channels_min = 1, - .channels_max = 3, - .rates = OMAP_MCPDM_RATES, - .formats = OMAP_MCPDM_FORMATS, - .sig_bits = 24, - }, - .ops = &omap_mcpdm_dai_ops, -}; - -static const struct snd_soc_component_driver omap_mcpdm_component = { - .name = "omap-mcpdm", -}; - -void omap_mcpdm_configure_dn_offsets(struct snd_soc_pcm_runtime *rtd, - u8 rx1, u8 rx2) -{ - struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(rtd->cpu_dai); - - mcpdm->dn_rx_offset = MCPDM_DNOFST_RX1(rx1) | MCPDM_DNOFST_RX2(rx2); -} -EXPORT_SYMBOL_GPL(omap_mcpdm_configure_dn_offsets); - -static int asoc_mcpdm_probe(struct platform_device *pdev) -{ - struct omap_mcpdm *mcpdm; - struct resource *res; - int ret; - - mcpdm = devm_kzalloc(&pdev->dev, sizeof(struct omap_mcpdm), GFP_KERNEL); - if (!mcpdm) - return -ENOMEM; - - platform_set_drvdata(pdev, mcpdm); - - mutex_init(&mcpdm->mutex); - - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "dma"); - if (res == NULL) - return -ENOMEM; - - mcpdm->dma_data[0].addr = res->start + MCPDM_REG_DN_DATA; - mcpdm->dma_data[1].addr = res->start + MCPDM_REG_UP_DATA; - - mcpdm->dma_data[0].filter_data = "dn_link"; - mcpdm->dma_data[1].filter_data = "up_link"; - - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "mpu"); - mcpdm->io_base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(mcpdm->io_base)) - return PTR_ERR(mcpdm->io_base); - - mcpdm->irq = platform_get_irq(pdev, 0); - if (mcpdm->irq < 0) - return mcpdm->irq; - - mcpdm->dev = &pdev->dev; - - ret = devm_snd_soc_register_component(&pdev->dev, - &omap_mcpdm_component, - &omap_mcpdm_dai, 1); - if (ret) - return ret; - - return sdma_pcm_platform_register(&pdev->dev, "dn_link", "up_link"); -} - -static const struct of_device_id omap_mcpdm_of_match[] = { - { .compatible = "ti,omap4-mcpdm", }, - { } -}; -MODULE_DEVICE_TABLE(of, omap_mcpdm_of_match); - -static struct platform_driver asoc_mcpdm_driver = { - .driver = { - .name = "omap-mcpdm", - .of_match_table = omap_mcpdm_of_match, - }, - - .probe = asoc_mcpdm_probe, -}; - -module_platform_driver(asoc_mcpdm_driver); - -MODULE_ALIAS("platform:omap-mcpdm"); -MODULE_AUTHOR("Misael Lopez Cruz <misael.lopez@ti.com>"); -MODULE_DESCRIPTION("OMAP PDM SoC Interface"); -MODULE_LICENSE("GPL"); |
