diff options
author | Takashi Iwai <tiwai@suse.de> | 2012-05-23 01:37:59 +0200 |
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committer | Takashi Iwai <tiwai@suse.de> | 2012-05-23 01:37:59 +0200 |
commit | 599ed4b0aeceb6d45ea33f64639e745e3da72766 (patch) | |
tree | d1d68299eacda3b12097bd3a7d4e7c895e3d6a13 /sound/soc | |
parent | 85e184e4c3cd3e2285ceab91ff8f0cac094e8a85 (diff) | |
parent | ced47a3117ba084b404f3fc28de3ef6eaba1b911 (diff) | |
download | op-kernel-dev-599ed4b0aeceb6d45ea33f64639e745e3da72766.zip op-kernel-dev-599ed4b0aeceb6d45ea33f64639e745e3da72766.tar.gz |
Merge branch 'for-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/lrg/asoc into topic/asoc
Diffstat (limited to 'sound/soc')
-rw-r--r-- | sound/soc/omap/Kconfig | 7 | ||||
-rw-r--r-- | sound/soc/omap/Makefile | 4 | ||||
-rw-r--r-- | sound/soc/omap/mcbsp.c | 115 | ||||
-rw-r--r-- | sound/soc/omap/mcbsp.h | 8 | ||||
-rw-r--r-- | sound/soc/omap/omap-abe-twl6040.c | 68 | ||||
-rw-r--r-- | sound/soc/omap/omap-dmic.c | 8 | ||||
-rw-r--r-- | sound/soc/omap/omap-hdmi-card.c | 87 | ||||
-rw-r--r-- | sound/soc/omap/omap-hdmi.c | 238 | ||||
-rw-r--r-- | sound/soc/omap/omap-hdmi.h | 4 | ||||
-rw-r--r-- | sound/soc/omap/omap-mcbsp.c | 45 | ||||
-rw-r--r-- | sound/soc/omap/omap-mcpdm.c | 8 | ||||
-rw-r--r-- | sound/soc/omap/omap4-hdmi-card.c | 121 |
12 files changed, 489 insertions, 224 deletions
diff --git a/sound/soc/omap/Kconfig b/sound/soc/omap/Kconfig index 9ccfa5e..57a2fa7 100644 --- a/sound/soc/omap/Kconfig +++ b/sound/soc/omap/Kconfig @@ -109,11 +109,12 @@ config SND_OMAP_SOC_OMAP_ABE_TWL6040 - PandaBoard (4430) - PandaBoardES (4460) -config SND_OMAP_SOC_OMAP4_HDMI - tristate "SoC Audio support for Texas Instruments OMAP4 HDMI" - depends on SND_OMAP_SOC && OMAP4_DSS_HDMI && OMAP2_DSS && ARCH_OMAP4 +config SND_OMAP_SOC_OMAP_HDMI + tristate "SoC Audio support for Texas Instruments OMAP HDMI" + depends on SND_OMAP_SOC && OMAP4_DSS_HDMI && OMAP2_DSS select SND_OMAP_SOC_HDMI select SND_SOC_OMAP_HDMI_CODEC + select OMAP4_DSS_HDMI_AUDIO help Say Y if you want to add support for SoC HDMI audio on Texas Instruments OMAP4 chips diff --git a/sound/soc/omap/Makefile b/sound/soc/omap/Makefile index 1d656bc..0e14dd3 100644 --- a/sound/soc/omap/Makefile +++ b/sound/soc/omap/Makefile @@ -25,7 +25,7 @@ snd-soc-omap3pandora-objs := omap3pandora.o snd-soc-omap3beagle-objs := omap3beagle.o snd-soc-zoom2-objs := zoom2.o snd-soc-igep0020-objs := igep0020.o -snd-soc-omap4-hdmi-objs := omap4-hdmi-card.o +snd-soc-omap-hdmi-card-objs := omap-hdmi-card.o obj-$(CONFIG_SND_OMAP_SOC_N810) += snd-soc-n810.o obj-$(CONFIG_SND_OMAP_SOC_RX51) += snd-soc-rx51.o @@ -41,4 +41,4 @@ obj-$(CONFIG_SND_OMAP_SOC_OMAP3_PANDORA) += snd-soc-omap3pandora.o obj-$(CONFIG_SND_OMAP_SOC_OMAP3_BEAGLE) += snd-soc-omap3beagle.o obj-$(CONFIG_SND_OMAP_SOC_ZOOM2) += snd-soc-zoom2.o obj-$(CONFIG_SND_OMAP_SOC_IGEP0020) += snd-soc-igep0020.o -obj-$(CONFIG_SND_OMAP_SOC_OMAP4_HDMI) += snd-soc-omap4-hdmi.o +obj-$(CONFIG_SND_OMAP_SOC_OMAP_HDMI) += snd-soc-omap-hdmi-card.o diff --git a/sound/soc/omap/mcbsp.c b/sound/soc/omap/mcbsp.c index e5f4444..34835e8 100644 --- a/sound/soc/omap/mcbsp.c +++ b/sound/soc/omap/mcbsp.c @@ -109,6 +109,47 @@ static void omap_mcbsp_dump_reg(struct omap_mcbsp *mcbsp) dev_dbg(mcbsp->dev, "***********************\n"); } +static irqreturn_t omap_mcbsp_irq_handler(int irq, void *dev_id) +{ + struct omap_mcbsp *mcbsp = dev_id; + u16 irqst; + + irqst = MCBSP_READ(mcbsp, IRQST); + dev_dbg(mcbsp->dev, "IRQ callback : 0x%x\n", irqst); + + if (irqst & RSYNCERREN) + dev_err(mcbsp->dev, "RX Frame Sync Error!\n"); + if (irqst & RFSREN) + dev_dbg(mcbsp->dev, "RX Frame Sync\n"); + if (irqst & REOFEN) + dev_dbg(mcbsp->dev, "RX End Of Frame\n"); + if (irqst & RRDYEN) + dev_dbg(mcbsp->dev, "RX Buffer Threshold Reached\n"); + if (irqst & RUNDFLEN) + dev_err(mcbsp->dev, "RX Buffer Underflow!\n"); + if (irqst & ROVFLEN) + dev_err(mcbsp->dev, "RX Buffer Overflow!\n"); + + if (irqst & XSYNCERREN) + dev_err(mcbsp->dev, "TX Frame Sync Error!\n"); + if (irqst & XFSXEN) + dev_dbg(mcbsp->dev, "TX Frame Sync\n"); + if (irqst & XEOFEN) + dev_dbg(mcbsp->dev, "TX End Of Frame\n"); + if (irqst & XRDYEN) + dev_dbg(mcbsp->dev, "TX Buffer threshold Reached\n"); + if (irqst & XUNDFLEN) + dev_err(mcbsp->dev, "TX Buffer Underflow!\n"); + if (irqst & XOVFLEN) + dev_err(mcbsp->dev, "TX Buffer Overflow!\n"); + if (irqst & XEMPTYEOFEN) + dev_dbg(mcbsp->dev, "TX Buffer empty at end of frame\n"); + + MCBSP_WRITE(mcbsp, IRQST, irqst); + + return IRQ_HANDLED; +} + static irqreturn_t omap_mcbsp_tx_irq_handler(int irq, void *dev_id) { struct omap_mcbsp *mcbsp_tx = dev_id; @@ -176,6 +217,10 @@ void omap_mcbsp_config(struct omap_mcbsp *mcbsp, /* Enable wakeup behavior */ if (mcbsp->pdata->has_wakeup) MCBSP_WRITE(mcbsp, WAKEUPEN, XRDYEN | RRDYEN); + + /* Enable TX/RX sync error interrupts by default */ + if (mcbsp->irq) + MCBSP_WRITE(mcbsp, IRQEN, RSYNCERREN | XSYNCERREN); } /** @@ -489,23 +534,25 @@ int omap_mcbsp_request(struct omap_mcbsp *mcbsp) MCBSP_WRITE(mcbsp, SPCR1, 0); MCBSP_WRITE(mcbsp, SPCR2, 0); - err = request_irq(mcbsp->tx_irq, omap_mcbsp_tx_irq_handler, - 0, "McBSP", (void *)mcbsp); - if (err != 0) { - dev_err(mcbsp->dev, "Unable to request TX IRQ %d " - "for McBSP%d\n", mcbsp->tx_irq, - mcbsp->id); - goto err_clk_disable; - } + if (mcbsp->irq) { + err = request_irq(mcbsp->irq, omap_mcbsp_irq_handler, 0, + "McBSP", (void *)mcbsp); + if (err != 0) { + dev_err(mcbsp->dev, "Unable to request IRQ\n"); + goto err_clk_disable; + } + } else { + err = request_irq(mcbsp->tx_irq, omap_mcbsp_tx_irq_handler, 0, + "McBSP TX", (void *)mcbsp); + if (err != 0) { + dev_err(mcbsp->dev, "Unable to request TX IRQ\n"); + goto err_clk_disable; + } - if (mcbsp->rx_irq) { - err = request_irq(mcbsp->rx_irq, - omap_mcbsp_rx_irq_handler, - 0, "McBSP", (void *)mcbsp); + err = request_irq(mcbsp->rx_irq, omap_mcbsp_rx_irq_handler, 0, + "McBSP RX", (void *)mcbsp); if (err != 0) { - dev_err(mcbsp->dev, "Unable to request RX IRQ %d " - "for McBSP%d\n", mcbsp->rx_irq, - mcbsp->id); + dev_err(mcbsp->dev, "Unable to request RX IRQ\n"); goto err_free_irq; } } @@ -542,9 +589,16 @@ void omap_mcbsp_free(struct omap_mcbsp *mcbsp) if (mcbsp->pdata->has_wakeup) MCBSP_WRITE(mcbsp, WAKEUPEN, 0); - if (mcbsp->rx_irq) + /* Disable interrupt requests */ + if (mcbsp->irq) + MCBSP_WRITE(mcbsp, IRQEN, 0); + + if (mcbsp->irq) { + free_irq(mcbsp->irq, (void *)mcbsp); + } else { free_irq(mcbsp->rx_irq, (void *)mcbsp); - free_irq(mcbsp->tx_irq, (void *)mcbsp); + free_irq(mcbsp->tx_irq, (void *)mcbsp); + } reg_cache = mcbsp->reg_cache; @@ -754,7 +808,7 @@ THRESHOLD_PROP_BUILDER(max_tx_thres); THRESHOLD_PROP_BUILDER(max_rx_thres); static const char *dma_op_modes[] = { - "element", "threshold", "frame", + "element", "threshold", }; static ssize_t dma_op_mode_show(struct device *dev, @@ -949,13 +1003,24 @@ int __devinit omap_mcbsp_init(struct platform_device *pdev) else mcbsp->phys_dma_base = res->start; - mcbsp->tx_irq = platform_get_irq_byname(pdev, "tx"); - mcbsp->rx_irq = platform_get_irq_byname(pdev, "rx"); - - /* From OMAP4 there will be a single irq line */ - if (mcbsp->tx_irq == -ENXIO) { - mcbsp->tx_irq = platform_get_irq(pdev, 0); - mcbsp->rx_irq = 0; + /* + * OMAP1, 2 uses two interrupt lines: TX, RX + * OMAP2430, OMAP3 SoC have combined IRQ line as well. + * OMAP4 and newer SoC only have the combined IRQ line. + * Use the combined IRQ if available since it gives better debugging + * possibilities. + */ + mcbsp->irq = platform_get_irq_byname(pdev, "common"); + if (mcbsp->irq == -ENXIO) { + mcbsp->tx_irq = platform_get_irq_byname(pdev, "tx"); + + if (mcbsp->tx_irq == -ENXIO) { + mcbsp->irq = platform_get_irq(pdev, 0); + mcbsp->tx_irq = 0; + } else { + mcbsp->rx_irq = platform_get_irq_byname(pdev, "rx"); + mcbsp->irq = 0; + } } res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "rx"); diff --git a/sound/soc/omap/mcbsp.h b/sound/soc/omap/mcbsp.h index a944fcc..262a615 100644 --- a/sound/soc/omap/mcbsp.h +++ b/sound/soc/omap/mcbsp.h @@ -217,17 +217,20 @@ enum { /********************** McBSP DMA operating modes **************************/ #define MCBSP_DMA_MODE_ELEMENT 0 #define MCBSP_DMA_MODE_THRESHOLD 1 -#define MCBSP_DMA_MODE_FRAME 2 -/********************** McBSP WAKEUPEN bit definitions *********************/ +/********************** McBSP WAKEUPEN/IRQST/IRQEN bit definitions *********/ #define RSYNCERREN BIT(0) #define RFSREN BIT(1) #define REOFEN BIT(2) #define RRDYEN BIT(3) +#define RUNDFLEN BIT(4) +#define ROVFLEN BIT(5) #define XSYNCERREN BIT(7) #define XFSXEN BIT(8) #define XEOFEN BIT(9) #define XRDYEN BIT(10) +#define XUNDFLEN BIT(11) +#define XOVFLEN BIT(12) #define XEMPTYEOFEN BIT(14) /* Clock signal muxing options */ @@ -295,6 +298,7 @@ struct omap_mcbsp { int configured; u8 free; + int irq; int rx_irq; int tx_irq; diff --git a/sound/soc/omap/omap-abe-twl6040.c b/sound/soc/omap/omap-abe-twl6040.c index 93bb8ee..9d93793 100644 --- a/sound/soc/omap/omap-abe-twl6040.c +++ b/sound/soc/omap/omap-abe-twl6040.c @@ -40,6 +40,11 @@ #include "omap-pcm.h" #include "../codecs/twl6040.h" +struct abe_twl6040 { + int jack_detection; /* board can detect jack events */ + int mclk_freq; /* MCLK frequency speed for twl6040 */ +}; + static int omap_abe_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params) { @@ -47,13 +52,13 @@ static int omap_abe_hw_params(struct snd_pcm_substream *substream, struct snd_soc_dai *codec_dai = rtd->codec_dai; struct snd_soc_codec *codec = rtd->codec; struct snd_soc_card *card = codec->card; - struct omap_abe_twl6040_data *pdata = dev_get_platdata(card->dev); + struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card); int clk_id, freq; int ret; clk_id = twl6040_get_clk_id(rtd->codec); if (clk_id == TWL6040_SYSCLK_SEL_HPPLL) - freq = pdata->mclk_freq; + freq = priv->mclk_freq; else if (clk_id == TWL6040_SYSCLK_SEL_LPPLL) freq = 32768; else @@ -128,6 +133,9 @@ static const struct snd_soc_dapm_widget twl6040_dapm_widgets[] = { SND_SOC_DAPM_MIC("Main Handset Mic", NULL), SND_SOC_DAPM_MIC("Sub Handset Mic", NULL), SND_SOC_DAPM_LINE("Line In", NULL), + + /* Digital microphones */ + SND_SOC_DAPM_MIC("Digital Mic", NULL), }; static const struct snd_soc_dapm_route audio_map[] = { @@ -173,6 +181,7 @@ static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd) struct snd_soc_card *card = codec->card; struct snd_soc_dapm_context *dapm = &codec->dapm; struct omap_abe_twl6040_data *pdata = dev_get_platdata(card->dev); + struct abe_twl6040 *priv = snd_soc_card_get_drvdata(card); int hs_trim; int ret = 0; @@ -196,7 +205,7 @@ static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd) TWL6040_HSF_TRIM_RIGHT(hs_trim)); /* Headset jack detection only if it is supported */ - if (pdata->jack_detection) { + if (priv->jack_detection) { ret = snd_soc_jack_new(codec, "Headset Jack", SND_JACK_HEADSET, &hs_jack); if (ret) @@ -210,10 +219,6 @@ static int omap_abe_twl6040_init(struct snd_soc_pcm_runtime *rtd) return ret; } -static const struct snd_soc_dapm_widget dmic_dapm_widgets[] = { - SND_SOC_DAPM_MIC("Digital Mic", NULL), -}; - static const struct snd_soc_dapm_route dmic_audio_map[] = { {"DMic", NULL, "Digital Mic"}, {"Digital Mic", NULL, "Digital Mic1 Bias"}, @@ -223,19 +228,13 @@ static int omap_abe_dmic_init(struct snd_soc_pcm_runtime *rtd) { struct snd_soc_codec *codec = rtd->codec; struct snd_soc_dapm_context *dapm = &codec->dapm; - int ret; - - ret = snd_soc_dapm_new_controls(dapm, dmic_dapm_widgets, - ARRAY_SIZE(dmic_dapm_widgets)); - if (ret) - return ret; return snd_soc_dapm_add_routes(dapm, dmic_audio_map, ARRAY_SIZE(dmic_audio_map)); } /* Digital audio interface glue - connects codec <--> CPU */ -static struct snd_soc_dai_link twl6040_dmic_dai[] = { +static struct snd_soc_dai_link abe_twl6040_dai_links[] = { { .name = "TWL6040", .stream_name = "TWL6040", @@ -258,19 +257,6 @@ static struct snd_soc_dai_link twl6040_dmic_dai[] = { }, }; -static struct snd_soc_dai_link twl6040_only_dai[] = { - { - .name = "TWL6040", - .stream_name = "TWL6040", - .cpu_dai_name = "omap-mcpdm", - .codec_dai_name = "twl6040-legacy", - .platform_name = "omap-pcm-audio", - .codec_name = "twl6040-codec", - .init = omap_abe_twl6040_init, - .ops = &omap_abe_ops, - }, -}; - /* Audio machine driver */ static struct snd_soc_card omap_abe_card = { .owner = THIS_MODULE, @@ -285,6 +271,8 @@ static __devinit int omap_abe_probe(struct platform_device *pdev) { struct omap_abe_twl6040_data *pdata = dev_get_platdata(&pdev->dev); struct snd_soc_card *card = &omap_abe_card; + struct abe_twl6040 *priv; + int num_links = 0; int ret; card->dev = &pdev->dev; @@ -294,6 +282,10 @@ static __devinit int omap_abe_probe(struct platform_device *pdev) return -ENODEV; } + priv = devm_kzalloc(&pdev->dev, sizeof(struct abe_twl6040), GFP_KERNEL); + if (priv == NULL) + return -ENOMEM; + if (pdata->card_name) { card->name = pdata->card_name; } else { @@ -301,18 +293,24 @@ static __devinit int omap_abe_probe(struct platform_device *pdev) return -ENODEV; } - if (!pdata->mclk_freq) { + priv->jack_detection = pdata->jack_detection; + priv->mclk_freq = pdata->mclk_freq; + + + if (!priv->mclk_freq) { dev_err(&pdev->dev, "MCLK frequency missing\n"); return -ENODEV; } - if (pdata->has_dmic) { - card->dai_link = twl6040_dmic_dai; - card->num_links = ARRAY_SIZE(twl6040_dmic_dai); - } else { - card->dai_link = twl6040_only_dai; - card->num_links = ARRAY_SIZE(twl6040_only_dai); - } + if (pdata->has_dmic) + num_links = 2; + else + num_links = 1; + + card->dai_link = abe_twl6040_dai_links; + card->num_links = num_links; + + snd_soc_card_set_drvdata(card, priv); ret = snd_soc_register_card(card); if (ret) diff --git a/sound/soc/omap/omap-dmic.c b/sound/soc/omap/omap-dmic.c index 4dcb5a7..75f5dca 100644 --- a/sound/soc/omap/omap-dmic.c +++ b/sound/soc/omap/omap-dmic.c @@ -32,6 +32,7 @@ #include <linux/io.h> #include <linux/slab.h> #include <linux/pm_runtime.h> +#include <linux/of_device.h> #include <plat/dma.h> #include <sound/core.h> @@ -528,10 +529,17 @@ static int __devexit asoc_dmic_remove(struct platform_device *pdev) return 0; } +static const struct of_device_id omap_dmic_of_match[] = { + { .compatible = "ti,omap4-dmic", }, + { } +}; +MODULE_DEVICE_TABLE(of, omap_dmic_of_match); + static struct platform_driver asoc_dmic_driver = { .driver = { .name = "omap-dmic", .owner = THIS_MODULE, + .of_match_table = omap_dmic_of_match, }, .probe = asoc_dmic_probe, .remove = __devexit_p(asoc_dmic_remove), diff --git a/sound/soc/omap/omap-hdmi-card.c b/sound/soc/omap/omap-hdmi-card.c new file mode 100644 index 0000000..eaa2ea0 --- /dev/null +++ b/sound/soc/omap/omap-hdmi-card.c @@ -0,0 +1,87 @@ +/* + * omap-hdmi-card.c + * + * OMAP ALSA SoC machine driver for TI OMAP HDMI + * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ + * Author: Ricardo Neri <ricardo.neri@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/module.h> +#include <sound/pcm.h> +#include <sound/soc.h> +#include <asm/mach-types.h> +#include <video/omapdss.h> + +#define DRV_NAME "omap-hdmi-audio" + +static struct snd_soc_dai_link omap_hdmi_dai = { + .name = "HDMI", + .stream_name = "HDMI", + .cpu_dai_name = "omap-hdmi-audio-dai", + .platform_name = "omap-pcm-audio", + .codec_name = "hdmi-audio-codec", + .codec_dai_name = "omap-hdmi-hifi", +}; + +static struct snd_soc_card snd_soc_omap_hdmi = { + .name = "OMAPHDMI", + .owner = THIS_MODULE, + .dai_link = &omap_hdmi_dai, + .num_links = 1, +}; + +static __devinit int omap_hdmi_probe(struct platform_device *pdev) +{ + struct snd_soc_card *card = &snd_soc_omap_hdmi; + int ret; + + card->dev = &pdev->dev; + + ret = snd_soc_register_card(card); + if (ret) { + dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret); + card->dev = NULL; + return ret; + } + return 0; +} + +static int __devexit omap_hdmi_remove(struct platform_device *pdev) +{ + struct snd_soc_card *card = platform_get_drvdata(pdev); + + snd_soc_unregister_card(card); + card->dev = NULL; + return 0; +} + +static struct platform_driver omap_hdmi_driver = { + .driver = { + .name = DRV_NAME, + .owner = THIS_MODULE, + }, + .probe = omap_hdmi_probe, + .remove = __devexit_p(omap_hdmi_remove), +}; + +module_platform_driver(omap_hdmi_driver); + +MODULE_AUTHOR("Ricardo Neri <ricardo.neri@ti.com>"); +MODULE_DESCRIPTION("OMAP HDMI machine ASoC driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:" DRV_NAME); diff --git a/sound/soc/omap/omap-hdmi.c b/sound/soc/omap/omap-hdmi.c index 38e0def..a08245d 100644 --- a/sound/soc/omap/omap-hdmi.c +++ b/sound/soc/omap/omap-hdmi.c @@ -30,21 +30,28 @@ #include <sound/pcm_params.h> #include <sound/initval.h> #include <sound/soc.h> +#include <sound/asound.h> +#include <sound/asoundef.h> +#include <video/omapdss.h> #include <plat/dma.h> #include "omap-pcm.h" #include "omap-hdmi.h" -#define DRV_NAME "hdmi-audio-dai" +#define DRV_NAME "omap-hdmi-audio-dai" -static struct omap_pcm_dma_data omap_hdmi_dai_dma_params = { - .name = "HDMI playback", - .sync_mode = OMAP_DMA_SYNC_PACKET, +struct hdmi_priv { + struct omap_pcm_dma_data dma_params; + struct omap_dss_audio dss_audio; + struct snd_aes_iec958 iec; + struct snd_cea_861_aud_if cea; + struct omap_dss_device *dssdev; }; static int omap_hdmi_dai_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) { + struct hdmi_priv *priv = snd_soc_dai_get_drvdata(dai); int err; /* * Make sure that the period bytes are multiple of the DMA packet size. @@ -52,46 +59,201 @@ static int omap_hdmi_dai_startup(struct snd_pcm_substream *substream, */ err = snd_pcm_hw_constraint_step(substream->runtime, 0, SNDRV_PCM_HW_PARAM_PERIOD_BYTES, 128); - if (err < 0) + if (err < 0) { + dev_err(dai->dev, "could not apply constraint\n"); return err; + } + if (!priv->dssdev->driver->audio_supported(priv->dssdev)) { + dev_err(dai->dev, "audio not supported\n"); + return -ENODEV; + } return 0; } +static int omap_hdmi_dai_prepare(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct hdmi_priv *priv = snd_soc_dai_get_drvdata(dai); + + return priv->dssdev->driver->audio_enable(priv->dssdev); +} + static int omap_hdmi_dai_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *params, struct snd_soc_dai *dai) { + struct hdmi_priv *priv = snd_soc_dai_get_drvdata(dai); + struct snd_aes_iec958 *iec = &priv->iec; + struct snd_cea_861_aud_if *cea = &priv->cea; int err = 0; switch (params_format(params)) { case SNDRV_PCM_FORMAT_S16_LE: - omap_hdmi_dai_dma_params.packet_size = 16; + priv->dma_params.packet_size = 16; break; case SNDRV_PCM_FORMAT_S24_LE: - omap_hdmi_dai_dma_params.packet_size = 32; + priv->dma_params.packet_size = 32; break; default: - err = -EINVAL; + dev_err(dai->dev, "format not supported!\n"); + return -EINVAL; } - omap_hdmi_dai_dma_params.data_type = OMAP_DMA_DATA_TYPE_S32; + priv->dma_params.data_type = OMAP_DMA_DATA_TYPE_S32; snd_soc_dai_set_dma_data(dai, substream, - &omap_hdmi_dai_dma_params); + &priv->dma_params); + + /* + * fill the IEC-60958 channel status word + */ + + /* specify IEC-60958-3 (commercial use) */ + iec->status[0] &= ~IEC958_AES0_PROFESSIONAL; + + /* specify that the audio is LPCM*/ + iec->status[0] &= ~IEC958_AES0_NONAUDIO; + + iec->status[0] |= IEC958_AES0_CON_NOT_COPYRIGHT; + + iec->status[0] |= IEC958_AES0_CON_EMPHASIS_NONE; + + iec->status[0] |= IEC958_AES1_PRO_MODE_NOTID; + + iec->status[1] = IEC958_AES1_CON_GENERAL; + + iec->status[2] |= IEC958_AES2_CON_SOURCE_UNSPEC; + + iec->status[2] |= IEC958_AES2_CON_CHANNEL_UNSPEC; + + switch (params_rate(params)) { + case 32000: + iec->status[3] |= IEC958_AES3_CON_FS_32000; + break; + case 44100: + iec->status[3] |= IEC958_AES3_CON_FS_44100; + break; + case 48000: + iec->status[3] |= IEC958_AES3_CON_FS_48000; + break; + case 88200: + iec->status[3] |= IEC958_AES3_CON_FS_88200; + break; + case 96000: + iec->status[3] |= IEC958_AES3_CON_FS_96000; + break; + case 176400: + iec->status[3] |= IEC958_AES3_CON_FS_176400; + break; + case 192000: + iec->status[3] |= IEC958_AES3_CON_FS_192000; + break; + default: + dev_err(dai->dev, "rate not supported!\n"); + return -EINVAL; + } + + /* specify the clock accuracy */ + iec->status[3] |= IEC958_AES3_CON_CLOCK_1000PPM; + + /* + * specify the word length. The same word length value can mean + * two different lengths. Hence, we need to specify the maximum + * word length as well. + */ + switch (params_format(params)) { + case SNDRV_PCM_FORMAT_S16_LE: + iec->status[4] |= IEC958_AES4_CON_WORDLEN_20_16; + iec->status[4] &= ~IEC958_AES4_CON_MAX_WORDLEN_24; + break; + case SNDRV_PCM_FORMAT_S24_LE: + iec->status[4] |= IEC958_AES4_CON_WORDLEN_24_20; + iec->status[4] |= IEC958_AES4_CON_MAX_WORDLEN_24; + break; + default: + dev_err(dai->dev, "format not supported!\n"); + return -EINVAL; + } + + /* + * Fill the CEA-861 audio infoframe (see spec for details) + */ + + cea->db1_ct_cc = (params_channels(params) - 1) + & CEA861_AUDIO_INFOFRAME_DB1CC; + cea->db1_ct_cc |= CEA861_AUDIO_INFOFRAME_DB1CT_FROM_STREAM; + + cea->db2_sf_ss = CEA861_AUDIO_INFOFRAME_DB2SF_FROM_STREAM; + cea->db2_sf_ss |= CEA861_AUDIO_INFOFRAME_DB2SS_FROM_STREAM; + + cea->db3 = 0; /* not used, all zeros */ + + /* + * The OMAP HDMI IP requires to use the 8-channel channel code when + * transmitting more than two channels. + */ + if (params_channels(params) == 2) + cea->db4_ca = 0x0; + else + cea->db4_ca = 0x13; + + cea->db5_dminh_lsv = CEA861_AUDIO_INFOFRAME_DB5_DM_INH_PROHIBITED; + /* the expression is trivial but makes clear what we are doing */ + cea->db5_dminh_lsv |= (0 & CEA861_AUDIO_INFOFRAME_DB5_LSV); + + priv->dss_audio.iec = iec; + priv->dss_audio.cea = cea; + + err = priv->dssdev->driver->audio_config(priv->dssdev, + &priv->dss_audio); return err; } +static int omap_hdmi_dai_trigger(struct snd_pcm_substream *substream, int cmd, + struct snd_soc_dai *dai) +{ + struct hdmi_priv *priv = snd_soc_dai_get_drvdata(dai); + int err = 0; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: + case SNDRV_PCM_TRIGGER_RESUME: + case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: + err = priv->dssdev->driver->audio_start(priv->dssdev); + break; + case SNDRV_PCM_TRIGGER_STOP: + case SNDRV_PCM_TRIGGER_SUSPEND: + case SNDRV_PCM_TRIGGER_PAUSE_PUSH: + priv->dssdev->driver->audio_stop(priv->dssdev); + break; + default: + err = -EINVAL; + } + return err; +} + +static void omap_hdmi_dai_shutdown(struct snd_pcm_substream *substream, + struct snd_soc_dai *dai) +{ + struct hdmi_priv *priv = snd_soc_dai_get_drvdata(dai); + + priv->dssdev->driver->audio_disable(priv->dssdev); +} + static const struct snd_soc_dai_ops omap_hdmi_dai_ops = { .startup = omap_hdmi_dai_startup, .hw_params = omap_hdmi_dai_hw_params, + .prepare = omap_hdmi_dai_prepare, + .trigger = omap_hdmi_dai_trigger, + .shutdown = omap_hdmi_dai_shutdown, }; static struct snd_soc_dai_driver omap_hdmi_dai = { .playback = { .channels_min = 2, - .channels_max = 2, + .channels_max = 8, .rates = OMAP_HDMI_RATES, .formats = OMAP_HDMI_FORMATS, }, @@ -102,31 +264,77 @@ static __devinit int omap_hdmi_probe(struct platform_device *pdev) { int ret; struct resource *hdmi_rsrc; + struct hdmi_priv *hdmi_data; + bool hdmi_dev_found = false; + + hdmi_data = devm_kzalloc(&pdev->dev, sizeof(*hdmi_data), GFP_KERNEL); + if (hdmi_data == NULL) { + dev_err(&pdev->dev, "Cannot allocate memory for HDMI data\n"); + return -ENOMEM; + } hdmi_rsrc = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!hdmi_rsrc) { dev_err(&pdev->dev, "Cannot obtain IORESOURCE_MEM HDMI\n"); - return -EINVAL; + return -ENODEV; } - omap_hdmi_dai_dma_params.port_addr = hdmi_rsrc->start + hdmi_data->dma_params.port_addr = hdmi_rsrc->start + OMAP_HDMI_AUDIO_DMA_PORT; hdmi_rsrc = platform_get_resource(pdev, IORESOURCE_DMA, 0); if (!hdmi_rsrc) { dev_err(&pdev->dev, "Cannot obtain IORESOURCE_DMA HDMI\n"); - return -EINVAL; + return -ENODEV; } - omap_hdmi_dai_dma_params.dma_req = hdmi_rsrc->start; + hdmi_data->dma_params.dma_req = hdmi_rsrc->start; + hdmi_data->dma_params.name = "HDMI playback"; + hdmi_data->dma_params.sync_mode = OMAP_DMA_SYNC_PACKET; + + /* + * TODO: We assume that there is only one DSS HDMI device. Future + * OMAP implementations may support more than one HDMI devices and + * we should provided separate audio support for all of them. + */ + /* Find an HDMI device. */ + for_each_dss_dev(hdmi_data->dssdev) { + omap_dss_get_device(hdmi_data->dssdev); + if (!hdmi_data->dssdev->driver) { + omap_dss_put_device(hdmi_data->dssdev); + continue; + } + + if (hdmi_data->dssdev->type == OMAP_DISPLAY_TYPE_HDMI) { + hdmi_dev_found = true; + break; + } + } + + if (!hdmi_dev_found) { + dev_err(&pdev->dev, "no driver for HDMI display found\n"); + return -ENODEV; + } + + dev_set_drvdata(&pdev->dev, hdmi_data); ret = snd_soc_register_dai(&pdev->dev, &omap_hdmi_dai); + return ret; } static int __devexit omap_hdmi_remove(struct platform_device *pdev) { + struct hdmi_priv *hdmi_data = dev_get_drvdata(&pdev->dev); + snd_soc_unregister_dai(&pdev->dev); + + if (hdmi_data == NULL) { + dev_err(&pdev->dev, "cannot obtain HDMi data\n"); + return -ENODEV; + } + + omap_dss_put_device(hdmi_data->dssdev); return 0; } diff --git a/sound/soc/omap/omap-hdmi.h b/sound/soc/omap/omap-hdmi.h index 34c298d..6ad2bf4 100644 --- a/sound/soc/omap/omap-hdmi.h +++ b/sound/soc/omap/omap-hdmi.h @@ -28,7 +28,9 @@ #define OMAP_HDMI_AUDIO_DMA_PORT 0x8c #define OMAP_HDMI_RATES (SNDRV_PCM_RATE_32000 | \ - SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000) + SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | \ + SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | \ + SNDRV_PCM_RATE_176400 | SNDRV_PCM_RATE_192000) #define OMAP_HDMI_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | \ SNDRV_PCM_FMTBIT_S24_LE) diff --git a/sound/soc/omap/omap-mcbsp.c b/sound/soc/omap/omap-mcbsp.c index 6912ac7..1046083 100644 --- a/sound/soc/omap/omap-mcbsp.c +++ b/sound/soc/omap/omap-mcbsp.c @@ -71,18 +71,17 @@ static void omap_mcbsp_set_threshold(struct snd_pcm_substream *substream) dma_data = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); - /* TODO: Currently, MODE_ELEMENT == MODE_FRAME */ - if (mcbsp->dma_op_mode == MCBSP_DMA_MODE_THRESHOLD) - /* - * Configure McBSP threshold based on either: - * packet_size, when the sDMA is in packet mode, or - * based on the period size. - */ - if (dma_data->packet_size) - words = dma_data->packet_size; - else - words = snd_pcm_lib_period_bytes(substream) / - (mcbsp->wlen / 8); + /* + * Configure McBSP threshold based on either: + * packet_size, when the sDMA is in packet mode, or based on the + * period size in THRESHOLD mode, otherwise use McBSP threshold = 1 + * for mono streams. + */ + if (dma_data->packet_size) + words = dma_data->packet_size; + else if (mcbsp->dma_op_mode == MCBSP_DMA_MODE_THRESHOLD) + words = snd_pcm_lib_period_bytes(substream) / + (mcbsp->wlen / 8); else words = 1; @@ -139,13 +138,15 @@ static int omap_mcbsp_dai_startup(struct snd_pcm_substream *substream, if (mcbsp->pdata->buffer_size) { /* * Rule for the buffer size. We should not allow - * smaller buffer than the FIFO size to avoid underruns + * smaller buffer than the FIFO size to avoid underruns. + * This applies only for the playback stream. */ - snd_pcm_hw_rule_add(substream->runtime, 0, - SNDRV_PCM_HW_PARAM_BUFFER_SIZE, - omap_mcbsp_hwrule_min_buffersize, - mcbsp, - SNDRV_PCM_HW_PARAM_CHANNELS, -1); + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + snd_pcm_hw_rule_add(substream->runtime, 0, + SNDRV_PCM_HW_PARAM_BUFFER_SIZE, + omap_mcbsp_hwrule_min_buffersize, + mcbsp, + SNDRV_PCM_HW_PARAM_CHANNELS, -1); /* Make sure, that the period size is always even */ snd_pcm_hw_constraint_step(substream->runtime, 0, @@ -230,6 +231,7 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream, unsigned int format, div, framesize, master; dma_data = &mcbsp->dma_data[substream->stream]; + channels = params_channels(params); switch (params_format(params)) { case SNDRV_PCM_FORMAT_S16_LE: @@ -245,7 +247,6 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream, } if (mcbsp->pdata->buffer_size) { dma_data->set_threshold = omap_mcbsp_set_threshold; - /* TODO: Currently, MODE_ELEMENT == MODE_FRAME */ if (mcbsp->dma_op_mode == MCBSP_DMA_MODE_THRESHOLD) { int period_words, max_thrsh; @@ -283,6 +284,10 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream, } else { sync_mode = OMAP_DMA_SYNC_FRAME; } + } else if (channels > 1) { + /* Use packet mode for non mono streams */ + pkt_size = channels; + sync_mode = OMAP_DMA_SYNC_PACKET; } } @@ -301,7 +306,7 @@ static int omap_mcbsp_dai_hw_params(struct snd_pcm_substream *substream, regs->rcr1 &= ~(RFRLEN1(0x7f) | RWDLEN1(7)); regs->xcr1 &= ~(XFRLEN1(0x7f) | XWDLEN1(7)); format = mcbsp->fmt & SND_SOC_DAIFMT_FORMAT_MASK; - wpf = channels = params_channels(params); + wpf = channels; if (channels == 2 && (format == SND_SOC_DAIFMT_I2S || format == SND_SOC_DAIFMT_LEFT_J)) { /* Use dual-phase frames */ diff --git a/sound/soc/omap/omap-mcpdm.c b/sound/soc/omap/omap-mcpdm.c index 3970556..59d47ab5 100644 --- a/sound/soc/omap/omap-mcpdm.c +++ b/sound/soc/omap/omap-mcpdm.c @@ -33,6 +33,7 @@ #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> @@ -507,10 +508,17 @@ static int __devexit asoc_mcpdm_remove(struct platform_device *pdev) return 0; } +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", .owner = THIS_MODULE, + .of_match_table = omap_mcpdm_of_match, }, .probe = asoc_mcpdm_probe, diff --git a/sound/soc/omap/omap4-hdmi-card.c b/sound/soc/omap/omap4-hdmi-card.c deleted file mode 100644 index 28d689b..0000000 --- a/sound/soc/omap/omap4-hdmi-card.c +++ /dev/null @@ -1,121 +0,0 @@ -/* - * omap4-hdmi-card.c - * - * OMAP ALSA SoC machine driver for TI OMAP4 HDMI - * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ - * Author: Ricardo Neri <ricardo.neri@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/module.h> -#include <sound/pcm.h> -#include <sound/soc.h> -#include <asm/mach-types.h> -#include <video/omapdss.h> - -#define DRV_NAME "omap4-hdmi-audio" - -static int omap4_hdmi_dai_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params) -{ - int i; - struct omap_overlay_manager *mgr = NULL; - struct device *dev = substream->pcm->card->dev; - - /* Find DSS HDMI device */ - for (i = 0; i < omap_dss_get_num_overlay_managers(); i++) { - mgr = omap_dss_get_overlay_manager(i); - if (mgr && mgr->device - && mgr->device->type == OMAP_DISPLAY_TYPE_HDMI) - break; - } - - if (i == omap_dss_get_num_overlay_managers()) { - dev_err(dev, "HDMI display device not found!\n"); - return -ENODEV; - } - - /* Make sure HDMI is power-on to avoid L3 interconnect errors */ - if (mgr->device->state != OMAP_DSS_DISPLAY_ACTIVE) { - dev_err(dev, "HDMI display is not active!\n"); - return -EIO; - } - - return 0; -} - -static struct snd_soc_ops omap4_hdmi_dai_ops = { - .hw_params = omap4_hdmi_dai_hw_params, -}; - -static struct snd_soc_dai_link omap4_hdmi_dai = { - .name = "HDMI", - .stream_name = "HDMI", - .cpu_dai_name = "hdmi-audio-dai", - .platform_name = "omap-pcm-audio", - .codec_name = "omapdss_hdmi", - .codec_dai_name = "hdmi-audio-codec", - .ops = &omap4_hdmi_dai_ops, -}; - -static struct snd_soc_card snd_soc_omap4_hdmi = { - .name = "OMAP4HDMI", - .owner = THIS_MODULE, - .dai_link = &omap4_hdmi_dai, - .num_links = 1, -}; - -static __devinit int omap4_hdmi_probe(struct platform_device *pdev) -{ - struct snd_soc_card *card = &snd_soc_omap4_hdmi; - int ret; - - card->dev = &pdev->dev; - - ret = snd_soc_register_card(card); - if (ret) { - dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n", ret); - card->dev = NULL; - return ret; - } - return 0; -} - -static int __devexit omap4_hdmi_remove(struct platform_device *pdev) -{ - struct snd_soc_card *card = platform_get_drvdata(pdev); - - snd_soc_unregister_card(card); - card->dev = NULL; - return 0; -} - -static struct platform_driver omap4_hdmi_driver = { - .driver = { - .name = "omap4-hdmi-audio", - .owner = THIS_MODULE, - }, - .probe = omap4_hdmi_probe, - .remove = __devexit_p(omap4_hdmi_remove), -}; - -module_platform_driver(omap4_hdmi_driver); - -MODULE_AUTHOR("Ricardo Neri <ricardo.neri@ti.com>"); -MODULE_DESCRIPTION("OMAP4 HDMI machine ASoC driver"); -MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:" DRV_NAME); |