diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index 1077ad663f93..3f0b143cb37b 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -330,6 +330,38 @@ static void omap_init_audio(void) static inline void omap_init_audio(void) {} #endif +#if defined(CONFIG_SND_OMAP_SOC_MCPDM) || \ + defined(CONFIG_SND_OMAP_SOC_MCPDM_MODULE) + +static struct omap_device_pm_latency omap_mcpdm_latency[] = { + { + .deactivate_func = omap_device_idle_hwmods, + .activate_func = omap_device_enable_hwmods, + .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST, + }, +}; + +static void omap_init_mcpdm(void) +{ + struct omap_hwmod *oh; + struct omap_device *od; + + oh = omap_hwmod_lookup("mcpdm"); + if (!oh) { + printk(KERN_ERR "Could not look up mcpdm hw_mod\n"); + return; + } + + od = omap_device_build("omap-mcpdm", -1, oh, NULL, 0, + omap_mcpdm_latency, + ARRAY_SIZE(omap_mcpdm_latency), 0); + if (IS_ERR(od)) + printk(KERN_ERR "Could not build omap_device for omap-mcpdm-dai\n"); +} +#else +static inline void omap_init_mcpdm(void) {} +#endif + #if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE) #include @@ -683,6 +715,7 @@ static int __init omap2_init_devices(void) * in alphabetical order so they're easier to sort through. */ omap_init_audio(); + omap_init_mcpdm(); omap_init_camera(); omap_init_mbox(); omap_init_mcspi(); diff --git a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c index 6201422c0606..79325c65c23c 100644 --- a/arch/arm/mach-omap2/omap_hwmod_44xx_data.c +++ b/arch/arm/mach-omap2/omap_hwmod_44xx_data.c @@ -5430,7 +5430,7 @@ static __initdata struct omap_hwmod *omap44xx_hwmods[] = { &omap44xx_mcbsp4_hwmod, /* mcpdm class */ -/* &omap44xx_mcpdm_hwmod, */ + &omap44xx_mcpdm_hwmod, /* mcspi class */ &omap44xx_mcspi1_hwmod, diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c index ea28f98d5d6a..40eca9b30d93 100644 --- a/arch/arm/plat-omap/devices.c +++ b/arch/arm/plat-omap/devices.c @@ -74,41 +74,6 @@ void omap_mcbsp_register_board_cfg(struct resource *res, int res_count, /*-------------------------------------------------------------------------*/ -#if defined(CONFIG_SND_OMAP_SOC_MCPDM) || \ - defined(CONFIG_SND_OMAP_SOC_MCPDM_MODULE) - -static struct resource mcpdm_resources[] = { - { - .name = "mcpdm_mem", - .start = OMAP44XX_MCPDM_BASE, - .end = OMAP44XX_MCPDM_BASE + SZ_4K, - .flags = IORESOURCE_MEM, - }, - { - .name = "mcpdm_irq", - .start = OMAP44XX_IRQ_MCPDM, - .end = OMAP44XX_IRQ_MCPDM, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct platform_device omap_mcpdm_device = { - .name = "omap-mcpdm", - .id = -1, - .num_resources = ARRAY_SIZE(mcpdm_resources), - .resource = mcpdm_resources, -}; - -static void omap_init_mcpdm(void) -{ - (void) platform_device_register(&omap_mcpdm_device); -} -#else -static inline void omap_init_mcpdm(void) {} -#endif - -/*-------------------------------------------------------------------------*/ - #if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \ defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE) @@ -291,7 +256,6 @@ static int __init omap_init_devices(void) * in alphabetical order so they're easier to sort through. */ omap_init_rng(); - omap_init_mcpdm(); omap_init_uwire(); return 0; } diff --git a/sound/soc/omap/Makefile b/sound/soc/omap/Makefile index 59e2c8d1e38d..052fd758722e 100644 --- a/sound/soc/omap/Makefile +++ b/sound/soc/omap/Makefile @@ -1,7 +1,7 @@ # OMAP Platform Support snd-soc-omap-objs := omap-pcm.o snd-soc-omap-mcbsp-objs := omap-mcbsp.o -snd-soc-omap-mcpdm-objs := omap-mcpdm.o mcpdm.o +snd-soc-omap-mcpdm-objs := omap-mcpdm.o snd-soc-omap-hdmi-objs := omap-hdmi.o obj-$(CONFIG_SND_OMAP_SOC) += snd-soc-omap.o diff --git a/sound/soc/omap/mcpdm.c b/sound/soc/omap/mcpdm.c deleted file mode 100644 index 928f03707451..000000000000 --- a/sound/soc/omap/mcpdm.c +++ /dev/null @@ -1,470 +0,0 @@ -/* - * mcpdm.c -- McPDM interface driver - * - * Author: Jorge Eduardo Candelaria - * Copyright (C) 2009 - Texas Instruments, Inc. - * - * 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 -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "mcpdm.h" - -static struct omap_mcpdm *mcpdm; - -static inline void omap_mcpdm_write(u16 reg, u32 val) -{ - __raw_writel(val, mcpdm->io_base + reg); -} - -static inline int omap_mcpdm_read(u16 reg) -{ - return __raw_readl(mcpdm->io_base + reg); -} - -static void omap_mcpdm_reg_dump(void) -{ - dev_dbg(mcpdm->dev, "***********************\n"); - dev_dbg(mcpdm->dev, "IRQSTATUS_RAW: 0x%04x\n", - omap_mcpdm_read(MCPDM_IRQSTATUS_RAW)); - dev_dbg(mcpdm->dev, "IRQSTATUS: 0x%04x\n", - omap_mcpdm_read(MCPDM_IRQSTATUS)); - dev_dbg(mcpdm->dev, "IRQENABLE_SET: 0x%04x\n", - omap_mcpdm_read(MCPDM_IRQENABLE_SET)); - dev_dbg(mcpdm->dev, "IRQENABLE_CLR: 0x%04x\n", - omap_mcpdm_read(MCPDM_IRQENABLE_CLR)); - dev_dbg(mcpdm->dev, "IRQWAKE_EN: 0x%04x\n", - omap_mcpdm_read(MCPDM_IRQWAKE_EN)); - dev_dbg(mcpdm->dev, "DMAENABLE_SET: 0x%04x\n", - omap_mcpdm_read(MCPDM_DMAENABLE_SET)); - dev_dbg(mcpdm->dev, "DMAENABLE_CLR: 0x%04x\n", - omap_mcpdm_read(MCPDM_DMAENABLE_CLR)); - dev_dbg(mcpdm->dev, "DMAWAKEEN: 0x%04x\n", - omap_mcpdm_read(MCPDM_DMAWAKEEN)); - dev_dbg(mcpdm->dev, "CTRL: 0x%04x\n", - omap_mcpdm_read(MCPDM_CTRL)); - dev_dbg(mcpdm->dev, "DN_DATA: 0x%04x\n", - omap_mcpdm_read(MCPDM_DN_DATA)); - dev_dbg(mcpdm->dev, "UP_DATA: 0x%04x\n", - omap_mcpdm_read(MCPDM_UP_DATA)); - dev_dbg(mcpdm->dev, "FIFO_CTRL_DN: 0x%04x\n", - omap_mcpdm_read(MCPDM_FIFO_CTRL_DN)); - dev_dbg(mcpdm->dev, "FIFO_CTRL_UP: 0x%04x\n", - omap_mcpdm_read(MCPDM_FIFO_CTRL_UP)); - dev_dbg(mcpdm->dev, "DN_OFFSET: 0x%04x\n", - omap_mcpdm_read(MCPDM_DN_OFFSET)); - dev_dbg(mcpdm->dev, "***********************\n"); -} - -/* - * Takes the McPDM module in and out of reset state. - * Uplink and downlink can be reset individually. - */ -static void omap_mcpdm_reset_capture(int reset) -{ - int ctrl = omap_mcpdm_read(MCPDM_CTRL); - - if (reset) - ctrl |= SW_UP_RST; - else - ctrl &= ~SW_UP_RST; - - omap_mcpdm_write(MCPDM_CTRL, ctrl); -} - -static void omap_mcpdm_reset_playback(int reset) -{ - int ctrl = omap_mcpdm_read(MCPDM_CTRL); - - if (reset) - ctrl |= SW_DN_RST; - else - ctrl &= ~SW_DN_RST; - - omap_mcpdm_write(MCPDM_CTRL, ctrl); -} - -/* - * Enables the transfer through the PDM interface to/from the Phoenix - * codec by enabling the corresponding UP or DN channels. - */ -void omap_mcpdm_start(int stream) -{ - int ctrl = omap_mcpdm_read(MCPDM_CTRL); - - if (stream) - ctrl |= mcpdm->up_channels; - else - ctrl |= mcpdm->dn_channels; - - omap_mcpdm_write(MCPDM_CTRL, ctrl); -} - -/* - * Disables the transfer through the PDM interface to/from the Phoenix - * codec by disabling the corresponding UP or DN channels. - */ -void omap_mcpdm_stop(int stream) -{ - int ctrl = omap_mcpdm_read(MCPDM_CTRL); - - if (stream) - ctrl &= ~mcpdm->up_channels; - else - ctrl &= ~mcpdm->dn_channels; - - omap_mcpdm_write(MCPDM_CTRL, ctrl); -} - -/* - * Configures McPDM uplink for audio recording. - * This function should be called before omap_mcpdm_start. - */ -int omap_mcpdm_capture_open(struct omap_mcpdm_link *uplink) -{ - int irq_mask = 0; - int ctrl; - - if (!uplink) - return -EINVAL; - - mcpdm->uplink = uplink; - - /* Enable irq request generation */ - irq_mask |= uplink->irq_mask & MCPDM_UPLINK_IRQ_MASK; - omap_mcpdm_write(MCPDM_IRQENABLE_SET, irq_mask); - - /* Configure uplink threshold */ - if (uplink->threshold > UP_THRES_MAX) - uplink->threshold = UP_THRES_MAX; - - omap_mcpdm_write(MCPDM_FIFO_CTRL_UP, uplink->threshold); - - /* Configure DMA controller */ - omap_mcpdm_write(MCPDM_DMAENABLE_SET, DMA_UP_ENABLE); - - /* Set pdm out format */ - ctrl = omap_mcpdm_read(MCPDM_CTRL); - ctrl &= ~PDMOUTFORMAT; - ctrl |= uplink->format & PDMOUTFORMAT; - - /* Uplink channels */ - mcpdm->up_channels = uplink->channels & (PDM_UP_MASK | PDM_STATUS_MASK); - - omap_mcpdm_write(MCPDM_CTRL, ctrl); - - return 0; -} - -/* - * Configures McPDM downlink for audio playback. - * This function should be called before omap_mcpdm_start. - */ -int omap_mcpdm_playback_open(struct omap_mcpdm_link *downlink) -{ - int irq_mask = 0; - int ctrl; - - if (!downlink) - return -EINVAL; - - mcpdm->downlink = downlink; - - /* Enable irq request generation */ - irq_mask |= downlink->irq_mask & MCPDM_DOWNLINK_IRQ_MASK; - omap_mcpdm_write(MCPDM_IRQENABLE_SET, irq_mask); - - /* Configure uplink threshold */ - if (downlink->threshold > DN_THRES_MAX) - downlink->threshold = DN_THRES_MAX; - - omap_mcpdm_write(MCPDM_FIFO_CTRL_DN, downlink->threshold); - - /* Enable DMA request generation */ - omap_mcpdm_write(MCPDM_DMAENABLE_SET, DMA_DN_ENABLE); - - /* Set pdm out format */ - ctrl = omap_mcpdm_read(MCPDM_CTRL); - ctrl &= ~PDMOUTFORMAT; - ctrl |= downlink->format & PDMOUTFORMAT; - - /* Downlink channels */ - mcpdm->dn_channels = downlink->channels & (PDM_DN_MASK | PDM_CMD_MASK); - - omap_mcpdm_write(MCPDM_CTRL, ctrl); - - return 0; -} - -/* - * Cleans McPDM uplink configuration. - * This function should be called when the stream is closed. - */ -int omap_mcpdm_capture_close(struct omap_mcpdm_link *uplink) -{ - int irq_mask = 0; - - if (!uplink) - return -EINVAL; - - /* Disable irq request generation */ - irq_mask |= uplink->irq_mask & MCPDM_UPLINK_IRQ_MASK; - omap_mcpdm_write(MCPDM_IRQENABLE_CLR, irq_mask); - - /* Disable DMA request generation */ - omap_mcpdm_write(MCPDM_DMAENABLE_CLR, DMA_UP_ENABLE); - - /* Clear Downlink channels */ - mcpdm->up_channels = 0; - - mcpdm->uplink = NULL; - - return 0; -} - -/* - * Cleans McPDM downlink configuration. - * This function should be called when the stream is closed. - */ -int omap_mcpdm_playback_close(struct omap_mcpdm_link *downlink) -{ - int irq_mask = 0; - - if (!downlink) - return -EINVAL; - - /* Disable irq request generation */ - irq_mask |= downlink->irq_mask & MCPDM_DOWNLINK_IRQ_MASK; - omap_mcpdm_write(MCPDM_IRQENABLE_CLR, irq_mask); - - /* Disable DMA request generation */ - omap_mcpdm_write(MCPDM_DMAENABLE_CLR, DMA_DN_ENABLE); - - /* clear Downlink channels */ - mcpdm->dn_channels = 0; - - mcpdm->downlink = NULL; - - return 0; -} - -static irqreturn_t omap_mcpdm_irq_handler(int irq, void *dev_id) -{ - struct omap_mcpdm *mcpdm_irq = dev_id; - int irq_status; - - irq_status = omap_mcpdm_read(MCPDM_IRQSTATUS); - - /* Acknowledge irq event */ - omap_mcpdm_write(MCPDM_IRQSTATUS, irq_status); - - if (irq & MCPDM_DN_IRQ_FULL) { - dev_err(mcpdm_irq->dev, "DN FIFO error %x\n", irq_status); - omap_mcpdm_reset_playback(1); - omap_mcpdm_playback_open(mcpdm_irq->downlink); - omap_mcpdm_reset_playback(0); - } - - if (irq & MCPDM_DN_IRQ_EMPTY) { - dev_err(mcpdm_irq->dev, "DN FIFO error %x\n", irq_status); - omap_mcpdm_reset_playback(1); - omap_mcpdm_playback_open(mcpdm_irq->downlink); - omap_mcpdm_reset_playback(0); - } - - if (irq & MCPDM_DN_IRQ) { - dev_dbg(mcpdm_irq->dev, "DN write request\n"); - } - - if (irq & MCPDM_UP_IRQ_FULL) { - dev_err(mcpdm_irq->dev, "UP FIFO error %x\n", irq_status); - omap_mcpdm_reset_capture(1); - omap_mcpdm_capture_open(mcpdm_irq->uplink); - omap_mcpdm_reset_capture(0); - } - - if (irq & MCPDM_UP_IRQ_EMPTY) { - dev_err(mcpdm_irq->dev, "UP FIFO error %x\n", irq_status); - omap_mcpdm_reset_capture(1); - omap_mcpdm_capture_open(mcpdm_irq->uplink); - omap_mcpdm_reset_capture(0); - } - - if (irq & MCPDM_UP_IRQ) { - dev_dbg(mcpdm_irq->dev, "UP write request\n"); - } - - return IRQ_HANDLED; -} - -int omap_mcpdm_request(void) -{ - int ret; - - clk_enable(mcpdm->clk); - - spin_lock(&mcpdm->lock); - - if (!mcpdm->free) { - dev_err(mcpdm->dev, "McPDM interface is in use\n"); - spin_unlock(&mcpdm->lock); - ret = -EBUSY; - goto err; - } - mcpdm->free = 0; - - spin_unlock(&mcpdm->lock); - - /* Disable lines while request is ongoing */ - omap_mcpdm_write(MCPDM_CTRL, 0x00); - - ret = request_irq(mcpdm->irq, omap_mcpdm_irq_handler, - 0, "McPDM", (void *)mcpdm); - if (ret) { - dev_err(mcpdm->dev, "Request for McPDM IRQ failed\n"); - goto err; - } - - return 0; - -err: - clk_disable(mcpdm->clk); - return ret; -} - -void omap_mcpdm_free(void) -{ - spin_lock(&mcpdm->lock); - if (mcpdm->free) { - dev_err(mcpdm->dev, "McPDM interface is already free\n"); - spin_unlock(&mcpdm->lock); - return; - } - mcpdm->free = 1; - spin_unlock(&mcpdm->lock); - - clk_disable(mcpdm->clk); - - free_irq(mcpdm->irq, (void *)mcpdm); -} - -/* Enable/disable DC offset cancelation for the analog - * headset path (PDM channels 1 and 2). - */ -int omap_mcpdm_set_offset(int offset1, int offset2) -{ - int offset; - - if ((offset1 > DN_OFST_MAX) || (offset2 > DN_OFST_MAX)) - return -EINVAL; - - offset = (offset1 << DN_OFST_RX1) | (offset2 << DN_OFST_RX2); - - /* offset cancellation for channel 1 */ - if (offset1) - offset |= DN_OFST_RX1_EN; - else - offset &= ~DN_OFST_RX1_EN; - - /* offset cancellation for channel 2 */ - if (offset2) - offset |= DN_OFST_RX2_EN; - else - offset &= ~DN_OFST_RX2_EN; - - omap_mcpdm_write(MCPDM_DN_OFFSET, offset); - - return 0; -} - -int __devinit omap_mcpdm_probe(struct platform_device *pdev) -{ - struct resource *res; - int ret = 0; - - mcpdm = kzalloc(sizeof(struct omap_mcpdm), GFP_KERNEL); - if (!mcpdm) { - ret = -ENOMEM; - goto exit; - } - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res == NULL) { - dev_err(&pdev->dev, "no resource\n"); - goto err_resource; - } - - spin_lock_init(&mcpdm->lock); - mcpdm->free = 1; - mcpdm->io_base = ioremap(res->start, resource_size(res)); - if (!mcpdm->io_base) { - ret = -ENOMEM; - goto err_resource; - } - - mcpdm->irq = platform_get_irq(pdev, 0); - - mcpdm->clk = clk_get(&pdev->dev, "pdm_ck"); - if (IS_ERR(mcpdm->clk)) { - ret = PTR_ERR(mcpdm->clk); - dev_err(&pdev->dev, "unable to get pdm_ck: %d\n", ret); - goto err_clk; - } - - mcpdm->dev = &pdev->dev; - platform_set_drvdata(pdev, mcpdm); - - return 0; - -err_clk: - iounmap(mcpdm->io_base); -err_resource: - kfree(mcpdm); -exit: - return ret; -} - -int __devexit omap_mcpdm_remove(struct platform_device *pdev) -{ - struct omap_mcpdm *mcpdm_ptr = platform_get_drvdata(pdev); - - platform_set_drvdata(pdev, NULL); - - clk_put(mcpdm_ptr->clk); - - iounmap(mcpdm_ptr->io_base); - - mcpdm_ptr->clk = NULL; - mcpdm_ptr->free = 0; - mcpdm_ptr->dev = NULL; - - kfree(mcpdm_ptr); - - return 0; -} - diff --git a/sound/soc/omap/mcpdm.h b/sound/soc/omap/mcpdm.h deleted file mode 100644 index df3e16fb51f3..000000000000 --- a/sound/soc/omap/mcpdm.h +++ /dev/null @@ -1,153 +0,0 @@ -/* - * mcpdm.h -- Defines for McPDM driver - * - * Author: Jorge Eduardo Candelaria - * - * 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 - * - */ - -/* McPDM registers */ - -#define MCPDM_REVISION 0x00 -#define MCPDM_SYSCONFIG 0x10 -#define MCPDM_IRQSTATUS_RAW 0x24 -#define MCPDM_IRQSTATUS 0x28 -#define MCPDM_IRQENABLE_SET 0x2C -#define MCPDM_IRQENABLE_CLR 0x30 -#define MCPDM_IRQWAKE_EN 0x34 -#define MCPDM_DMAENABLE_SET 0x38 -#define MCPDM_DMAENABLE_CLR 0x3C -#define MCPDM_DMAWAKEEN 0x40 -#define MCPDM_CTRL 0x44 -#define MCPDM_DN_DATA 0x48 -#define MCPDM_UP_DATA 0x4C -#define MCPDM_FIFO_CTRL_DN 0x50 -#define MCPDM_FIFO_CTRL_UP 0x54 -#define MCPDM_DN_OFFSET 0x58 - -/* - * MCPDM_IRQ bit fields - * IRQSTATUS_RAW, IRQSTATUS, IRQENABLE_SET, IRQENABLE_CLR - */ - -#define MCPDM_DN_IRQ (1 << 0) -#define MCPDM_DN_IRQ_EMPTY (1 << 1) -#define MCPDM_DN_IRQ_ALMST_EMPTY (1 << 2) -#define MCPDM_DN_IRQ_FULL (1 << 3) - -#define MCPDM_UP_IRQ (1 << 8) -#define MCPDM_UP_IRQ_EMPTY (1 << 9) -#define MCPDM_UP_IRQ_ALMST_FULL (1 << 10) -#define MCPDM_UP_IRQ_FULL (1 << 11) - -#define MCPDM_DOWNLINK_IRQ_MASK 0x00F -#define MCPDM_UPLINK_IRQ_MASK 0xF00 - -/* - * MCPDM_DMAENABLE bit fields - */ - -#define DMA_DN_ENABLE 0x1 -#define DMA_UP_ENABLE 0x2 - -/* - * MCPDM_CTRL bit fields - */ - -#define PDM_UP1_EN 0x0001 -#define PDM_UP2_EN 0x0002 -#define PDM_UP3_EN 0x0004 -#define PDM_DN1_EN 0x0008 -#define PDM_DN2_EN 0x0010 -#define PDM_DN3_EN 0x0020 -#define PDM_DN4_EN 0x0040 -#define PDM_DN5_EN 0x0080 -#define PDMOUTFORMAT 0x0100 -#define CMD_INT 0x0200 -#define STATUS_INT 0x0400 -#define SW_UP_RST 0x0800 -#define SW_DN_RST 0x1000 -#define PDM_UP_MASK 0x007 -#define PDM_DN_MASK 0x0F8 -#define PDM_CMD_MASK 0x200 -#define PDM_STATUS_MASK 0x400 - - -#define PDMOUTFORMAT_LJUST (0 << 8) -#define PDMOUTFORMAT_RJUST (1 << 8) - -/* - * MCPDM_FIFO_CTRL bit fields - */ - -#define UP_THRES_MAX 0xF -#define DN_THRES_MAX 0xF - -/* - * MCPDM_DN_OFFSET bit fields - */ - -#define DN_OFST_RX1_EN 0x0001 -#define DN_OFST_RX2_EN 0x0100 - -#define DN_OFST_RX1 1 -#define DN_OFST_RX2 9 -#define DN_OFST_MAX 0x1F - -#define MCPDM_UPLINK 1 -#define MCPDM_DOWNLINK 2 - -struct omap_mcpdm_link { - int irq_mask; - int threshold; - int format; - int channels; -}; - -struct omap_mcpdm_platform_data { - unsigned long phys_base; - u16 irq; -}; - -struct omap_mcpdm { - struct device *dev; - unsigned long phys_base; - void __iomem *io_base; - u8 free; - int irq; - - spinlock_t lock; - struct omap_mcpdm_platform_data *pdata; - struct clk *clk; - struct omap_mcpdm_link *downlink; - struct omap_mcpdm_link *uplink; - struct completion irq_completion; - - int dn_channels; - int up_channels; -}; - -extern void omap_mcpdm_start(int stream); -extern void omap_mcpdm_stop(int stream); -extern int omap_mcpdm_capture_open(struct omap_mcpdm_link *uplink); -extern int omap_mcpdm_playback_open(struct omap_mcpdm_link *downlink); -extern int omap_mcpdm_capture_close(struct omap_mcpdm_link *uplink); -extern int omap_mcpdm_playback_close(struct omap_mcpdm_link *downlink); -extern int omap_mcpdm_request(void); -extern void omap_mcpdm_free(void); -extern int omap_mcpdm_set_offset(int offset1, int offset2); -int __devinit omap_mcpdm_probe(struct platform_device *pdev); -int __devexit omap_mcpdm_remove(struct platform_device *pdev); diff --git a/sound/soc/omap/omap-mcpdm.c b/sound/soc/omap/omap-mcpdm.c index bed09c27e44c..159a5e98d66a 100644 --- a/sound/soc/omap/omap-mcpdm.c +++ b/sound/soc/omap/omap-mcpdm.c @@ -1,11 +1,12 @@ /* * omap-mcpdm.c -- OMAP ALSA SoC DAI driver using McPDM port * - * Copyright (C) 2009 Texas Instruments + * Copyright (C) 2009 - 2011 Texas Instruments * - * Author: Misael Lopez Cruz + * Author: Misael Lopez Cruz * Contact: Jorge Eduardo Candelaria * Margarita Olaya + * Peter Ujfalusi * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License @@ -25,41 +26,39 @@ #include #include -#include +#include +#include +#include +#include +#include +#include +#include + #include #include #include -#include #include #include -#include -#include "mcpdm.h" +#include +#include "omap-mcpdm.h" #include "omap-pcm.h" -struct omap_mcpdm_data { - struct omap_mcpdm_link *links; - int active; -}; +struct omap_mcpdm { + struct device *dev; + unsigned long phys_base; + void __iomem *io_base; + int irq; -static struct omap_mcpdm_link omap_mcpdm_links[] = { - /* downlink */ - { - .irq_mask = MCPDM_DN_IRQ_EMPTY | MCPDM_DN_IRQ_FULL, - .threshold = 1, - .format = PDMOUTFORMAT_LJUST, - }, - /* uplink */ - { - .irq_mask = MCPDM_UP_IRQ_EMPTY | MCPDM_UP_IRQ_FULL, - .threshold = 1, - .format = PDMOUTFORMAT_LJUST, - }, -}; + struct mutex mutex; -static struct omap_mcpdm_data mcpdm_data = { - .links = omap_mcpdm_links, - .active = 0, + /* channel data */ + u32 dn_channels; + u32 up_channels; + + /* McPDM FIFO thresholds */ + u32 dn_threshold; + u32 up_threshold; }; /* @@ -71,76 +70,232 @@ static struct omap_pcm_dma_data omap_mcpdm_dai_dma_params[] = { .dma_req = OMAP44XX_DMA_MCPDM_DL, .data_type = OMAP_DMA_DATA_TYPE_S32, .sync_mode = OMAP_DMA_SYNC_PACKET, - .packet_size = 16, - .port_addr = OMAP44XX_MCPDM_L3_BASE + MCPDM_DN_DATA, + .port_addr = OMAP44XX_MCPDM_L3_BASE + MCPDM_REG_DN_DATA, }, { .name = "Audio capture", .dma_req = OMAP44XX_DMA_MCPDM_UP, .data_type = OMAP_DMA_DATA_TYPE_S32, .sync_mode = OMAP_DMA_SYNC_PACKET, - .packet_size = 16, - .port_addr = OMAP44XX_MCPDM_L3_BASE + MCPDM_UP_DATA, + .port_addr = OMAP44XX_MCPDM_L3_BASE + MCPDM_REG_UP_DATA, }, }; +static inline void omap_mcpdm_write(struct omap_mcpdm *mcpdm, u16 reg, u32 val) +{ + __raw_writel(val, mcpdm->io_base + reg); +} + +static inline int omap_mcpdm_read(struct omap_mcpdm *mcpdm, u16 reg) +{ + return __raw_readl(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); + + ctrl |= (MCPDM_SW_DN_RST | MCPDM_SW_UP_RST); + omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL, ctrl); + + ctrl |= mcpdm->dn_channels | mcpdm->up_channels; + 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); + + ctrl |= (MCPDM_SW_DN_RST | MCPDM_SW_UP_RST); + omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL, ctrl); + + ctrl &= ~(mcpdm->dn_channels | mcpdm->up_channels); + 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) +{ + omap_mcpdm_write(mcpdm, MCPDM_REG_IRQENABLE_SET, + MCPDM_DN_IRQ_EMPTY | MCPDM_DN_IRQ_FULL | + MCPDM_UP_IRQ_EMPTY | MCPDM_UP_IRQ_FULL); + + omap_mcpdm_write(mcpdm, MCPDM_REG_FIFO_CTRL_DN, mcpdm->dn_threshold); + omap_mcpdm_write(mcpdm, MCPDM_REG_FIFO_CTRL_UP, mcpdm->up_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); +} + +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) { - int err = 0; + struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(dai); - if (!dai->active) - err = omap_mcpdm_request(); + mutex_lock(&mcpdm->mutex); - return err; + if (!dai->active) { + pm_runtime_get_sync(mcpdm->dev); + + /* Enable watch dog for ES above ES 1.0 to avoid saturation */ + if (omap_rev() != OMAP4430_REV_ES1_0) { + u32 ctrl = omap_mcpdm_read(mcpdm, MCPDM_REG_CTRL); + + omap_mcpdm_write(mcpdm, MCPDM_REG_CTRL, + ctrl | MCPDM_WD_EN); + } + 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) -{ - if (!dai->active) - omap_mcpdm_free(); -} - -static int omap_mcpdm_dai_trigger(struct snd_pcm_substream *substream, int cmd, struct snd_soc_dai *dai) { - struct omap_mcpdm_data *mcpdm_priv = snd_soc_dai_get_drvdata(dai); - int stream = substream->stream; - int err = 0; + struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(dai); - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - case SNDRV_PCM_TRIGGER_RESUME: - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - if (!mcpdm_priv->active++) - omap_mcpdm_start(stream); - break; + mutex_lock(&mcpdm->mutex); - case SNDRV_PCM_TRIGGER_STOP: - case SNDRV_PCM_TRIGGER_SUSPEND: - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - if (!--mcpdm_priv->active) - omap_mcpdm_stop(stream); - break; - default: - err = -EINVAL; + if (!dai->active) { + if (omap_mcpdm_active(mcpdm)) { + omap_mcpdm_stop(mcpdm); + omap_mcpdm_close_streams(mcpdm); + } + + if (!omap_mcpdm_active(mcpdm)) + pm_runtime_put_sync(mcpdm->dev); } - return err; + 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_data *mcpdm_priv = snd_soc_dai_get_drvdata(dai); - struct omap_mcpdm_link *mcpdm_links = mcpdm_priv->links; + struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(dai); int stream = substream->stream; - int channels, err, link_mask = 0; - - snd_soc_dai_set_dma_data(dai, substream, - &omap_mcpdm_dai_dma_params[stream]); + struct omap_pcm_dma_data *dma_data; + int channels; + int link_mask = 0; channels = params_channels(params); switch (channels) { @@ -164,52 +319,88 @@ static int omap_mcpdm_dai_hw_params(struct snd_pcm_substream *substream, return -EINVAL; } + dma_data = &omap_mcpdm_dai_dma_params[stream]; + + /* Configure McPDM channels, and DMA packet size */ if (stream == SNDRV_PCM_STREAM_PLAYBACK) { - mcpdm_links[stream].channels = link_mask << 3; - err = omap_mcpdm_playback_open(&mcpdm_links[stream]); + mcpdm->dn_channels = link_mask << 3; + dma_data->packet_size = + (MCPDM_DN_THRES_MAX - mcpdm->dn_threshold) * channels; } else { - mcpdm_links[stream].channels = link_mask << 0; - err = omap_mcpdm_capture_open(&mcpdm_links[stream]); + mcpdm->up_channels = link_mask << 0; + dma_data->packet_size = mcpdm->up_threshold * channels; } - return err; + snd_soc_dai_set_dma_data(dai, substream, dma_data); + + return 0; } -static int omap_mcpdm_dai_hw_free(struct snd_pcm_substream *substream, +static int omap_mcpdm_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { - struct omap_mcpdm_data *mcpdm_priv = snd_soc_dai_get_drvdata(dai); - struct omap_mcpdm_link *mcpdm_links = mcpdm_priv->links; - int stream = substream->stream; - int err; + struct omap_mcpdm *mcpdm = snd_soc_dai_get_drvdata(dai); - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - err = omap_mcpdm_playback_close(&mcpdm_links[stream]); - else - err = omap_mcpdm_capture_close(&mcpdm_links[stream]); + if (!omap_mcpdm_active(mcpdm)) { + omap_mcpdm_start(mcpdm); + omap_mcpdm_reg_dump(mcpdm); + } - return err; + return 0; } static struct snd_soc_dai_ops omap_mcpdm_dai_ops = { .startup = omap_mcpdm_dai_startup, .shutdown = omap_mcpdm_dai_shutdown, - .trigger = omap_mcpdm_dai_trigger, .hw_params = omap_mcpdm_dai_hw_params, - .hw_free = omap_mcpdm_dai_hw_free, + .prepare = omap_mcpdm_prepare, }; -#define OMAP_MCPDM_RATES (SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000) -#define OMAP_MCPDM_FORMATS (SNDRV_PCM_FMTBIT_S32_LE) - -static int omap_mcpdm_dai_probe(struct snd_soc_dai *dai) +static int omap_mcpdm_probe(struct snd_soc_dai *dai) { - snd_soc_dai_set_drvdata(dai, &mcpdm_data); + 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->dn_threshold = 2; + mcpdm->up_threshold = MCPDM_UP_THRES_MAX - 3; + 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); + return 0; } +#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_dai_probe, + .probe = omap_mcpdm_probe, + .remove = omap_mcpdm_remove, + .probe_order = SND_SOC_COMP_ORDER_LATE, + .remove_order = SND_SOC_COMP_ORDER_EARLY, .playback = { .channels_min = 1, .channels_max = 4, @@ -227,32 +418,79 @@ static struct snd_soc_dai_driver omap_mcpdm_dai = { static __devinit int asoc_mcpdm_probe(struct platform_device *pdev) { - int ret; + struct omap_mcpdm *mcpdm; + struct resource *res; + int ret = 0; + + mcpdm = kzalloc(sizeof(struct omap_mcpdm), GFP_KERNEL); + if (!mcpdm) + return -ENOMEM; + + platform_set_drvdata(pdev, mcpdm); + + mutex_init(&mcpdm->mutex); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (res == NULL) { + dev_err(&pdev->dev, "no resource\n"); + goto err_res; + } + + if (!request_mem_region(res->start, resource_size(res), "McPDM")) { + ret = -EBUSY; + goto err_res; + } + + mcpdm->io_base = ioremap(res->start, resource_size(res)); + if (!mcpdm->io_base) { + ret = -ENOMEM; + goto err_iomap; + } + + mcpdm->irq = platform_get_irq(pdev, 0); + if (mcpdm->irq < 0) { + ret = mcpdm->irq; + goto err_irq; + } + + mcpdm->dev = &pdev->dev; - ret = omap_mcpdm_probe(pdev); - if (ret < 0) - return ret; ret = snd_soc_register_dai(&pdev->dev, &omap_mcpdm_dai); - if (ret < 0) - omap_mcpdm_remove(pdev); + if (!ret) + return 0; + +err_irq: + iounmap(mcpdm->io_base); +err_iomap: + release_mem_region(res->start, resource_size(res)); +err_res: + kfree(mcpdm); return ret; } static int __devexit asoc_mcpdm_remove(struct platform_device *pdev) { + struct omap_mcpdm *mcpdm = platform_get_drvdata(pdev); + struct resource *res; + snd_soc_unregister_dai(&pdev->dev); - omap_mcpdm_remove(pdev); + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + iounmap(mcpdm->io_base); + release_mem_region(res->start, resource_size(res)); + + kfree(mcpdm); return 0; } static struct platform_driver asoc_mcpdm_driver = { .driver = { - .name = "omap-mcpdm-dai", - .owner = THIS_MODULE, + .name = "omap-mcpdm", + .owner = THIS_MODULE, }, - .probe = asoc_mcpdm_probe, - .remove = __devexit_p(asoc_mcpdm_remove), + .probe = asoc_mcpdm_probe, + .remove = __devexit_p(asoc_mcpdm_remove), }; static int __init snd_omap_mcpdm_init(void) @@ -267,6 +505,6 @@ static void __exit snd_omap_mcpdm_exit(void) } module_exit(snd_omap_mcpdm_exit); -MODULE_AUTHOR("Misael Lopez Cruz "); +MODULE_AUTHOR("Misael Lopez Cruz "); MODULE_DESCRIPTION("OMAP PDM SoC Interface"); MODULE_LICENSE("GPL"); diff --git a/sound/soc/omap/omap-mcpdm.h b/sound/soc/omap/omap-mcpdm.h new file mode 100644 index 000000000000..d23122afdb10 --- /dev/null +++ b/sound/soc/omap/omap-mcpdm.h @@ -0,0 +1,95 @@ +/* + * omap-mcpdm.h + * + * Copyright (C) 2009 - 2011 Texas Instruments + * + * Contact: Misael Lopez Cruz + * + * 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 + * + */ + +#ifndef __OMAP_MCPDM_H__ +#define __OMAP_MCPDM_H__ + +#define MCPDM_REG_REVISION 0x00 +#define MCPDM_REG_SYSCONFIG 0x10 +#define MCPDM_REG_IRQSTATUS_RAW 0x24 +#define MCPDM_REG_IRQSTATUS 0x28 +#define MCPDM_REG_IRQENABLE_SET 0x2C +#define MCPDM_REG_IRQENABLE_CLR 0x30 +#define MCPDM_REG_IRQWAKE_EN 0x34 +#define MCPDM_REG_DMAENABLE_SET 0x38 +#define MCPDM_REG_DMAENABLE_CLR 0x3C +#define MCPDM_REG_DMAWAKEEN 0x40 +#define MCPDM_REG_CTRL 0x44 +#define MCPDM_REG_DN_DATA 0x48 +#define MCPDM_REG_UP_DATA 0x4C +#define MCPDM_REG_FIFO_CTRL_DN 0x50 +#define MCPDM_REG_FIFO_CTRL_UP 0x54 +#define MCPDM_REG_DN_OFFSET 0x58 + +/* + * MCPDM_IRQ bit fields + * IRQSTATUS_RAW, IRQSTATUS, IRQENABLE_SET, IRQENABLE_CLR + */ + +#define MCPDM_DN_IRQ (1 << 0) +#define MCPDM_DN_IRQ_EMPTY (1 << 1) +#define MCPDM_DN_IRQ_ALMST_EMPTY (1 << 2) +#define MCPDM_DN_IRQ_FULL (1 << 3) + +#define MCPDM_UP_IRQ (1 << 8) +#define MCPDM_UP_IRQ_EMPTY (1 << 9) +#define MCPDM_UP_IRQ_ALMST_FULL (1 << 10) +#define MCPDM_UP_IRQ_FULL (1 << 11) + +#define MCPDM_DOWNLINK_IRQ_MASK 0x00F +#define MCPDM_UPLINK_IRQ_MASK 0xF00 + +/* + * MCPDM_DMAENABLE bit fields + */ + +#define MCPDM_DMA_DN_ENABLE (1 << 0) +#define MCPDM_DMA_UP_ENABLE (1 << 1) + +/* + * MCPDM_CTRL bit fields + */ + +#define MCPDM_PDM_UPLINK_EN(x) (1 << (x - 1)) /* ch1 is at bit 0 */ +#define MCPDM_PDM_DOWNLINK_EN(x) (1 << (x + 2)) /* ch1 is at bit 3 */ +#define MCPDM_PDMOUTFORMAT (1 << 8) +#define MCPDM_CMD_INT (1 << 9) +#define MCPDM_STATUS_INT (1 << 10) +#define MCPDM_SW_UP_RST (1 << 11) +#define MCPDM_SW_DN_RST (1 << 12) +#define MCPDM_WD_EN (1 << 14) +#define MCPDM_PDM_UP_MASK 0x7 +#define MCPDM_PDM_DN_MASK (0x1f << 3) + + +#define MCPDM_PDMOUTFORMAT_LJUST (0 << 8) +#define MCPDM_PDMOUTFORMAT_RJUST (1 << 8) + +/* + * MCPDM_FIFO_CTRL bit fields + */ + +#define MCPDM_UP_THRES_MAX 0xF +#define MCPDM_DN_THRES_MAX 0xF + +#endif /* End of __OMAP_MCPDM_H__ */ diff --git a/sound/soc/omap/sdp4430.c b/sound/soc/omap/sdp4430.c index b80efb02bfca..a95177447126 100644 --- a/sound/soc/omap/sdp4430.c +++ b/sound/soc/omap/sdp4430.c @@ -32,7 +32,7 @@ #include #include -#include "mcpdm.h" +#include "omap-mcpdm.h" #include "omap-pcm.h" #include "../codecs/twl6040.h" @@ -165,7 +165,7 @@ static int sdp4430_twl6040_init(struct snd_soc_pcm_runtime *rtd) static struct snd_soc_dai_link sdp4430_dai = { .name = "TWL6040", .stream_name = "TWL6040", - .cpu_dai_name ="omap-mcpdm-dai", + .cpu_dai_name = "omap-mcpdm", .codec_dai_name = "twl6040-hifi", .platform_name = "omap-pcm-audio", .codec_name = "twl6040-codec",