diff options
Diffstat (limited to 'sound/soc/ux500')
| -rw-r--r-- | sound/soc/ux500/Kconfig | 18 | ||||
| -rw-r--r-- | sound/soc/ux500/Makefile | 6 | ||||
| -rw-r--r-- | sound/soc/ux500/mop500.c | 170 | ||||
| -rw-r--r-- | sound/soc/ux500/mop500_ab8500.c | 455 | ||||
| -rw-r--r-- | sound/soc/ux500/mop500_ab8500.h | 22 | ||||
| -rw-r--r-- | sound/soc/ux500/ux500_msp_dai.c | 236 | ||||
| -rw-r--r-- | sound/soc/ux500/ux500_msp_dai.h | 10 | ||||
| -rw-r--r-- | sound/soc/ux500/ux500_msp_i2s.c | 130 | ||||
| -rw-r--r-- | sound/soc/ux500/ux500_msp_i2s.h | 73 | ||||
| -rw-r--r-- | sound/soc/ux500/ux500_pcm.c | 168 | ||||
| -rw-r--r-- | sound/soc/ux500/ux500_pcm.h | 24 |
11 files changed, 1067 insertions, 245 deletions
diff --git a/sound/soc/ux500/Kconfig b/sound/soc/ux500/Kconfig index 44cf43404cd..aa5011894c7 100644 --- a/sound/soc/ux500/Kconfig +++ b/sound/soc/ux500/Kconfig @@ -12,3 +12,21 @@ menuconfig SND_SOC_UX500 config SND_SOC_UX500_PLAT_MSP_I2S tristate depends on SND_SOC_UX500 + +config SND_SOC_UX500_PLAT_DMA + tristate "Platform - DB8500 (DMA)" + depends on SND_SOC_UX500 + select SND_SOC_GENERIC_DMAENGINE_PCM + help + Say Y if you want to enable the Ux500 platform-driver. + +config SND_SOC_UX500_MACH_MOP500 + tristate "Machine - MOP500 (Ux500 + AB8500)" + depends on AB8500_CORE && AB8500_GPADC && SND_SOC_UX500 + select SND_SOC_AB8500_CODEC + select SND_SOC_UX500_PLAT_MSP_I2S + select SND_SOC_UX500_PLAT_DMA + help + Select this to enable the MOP500 machine-driver. + This will enable platform-drivers for: Ux500 + This will enable codec-drivers for: AB8500 diff --git a/sound/soc/ux500/Makefile b/sound/soc/ux500/Makefile index 19974c5a2ea..cce0c11a4d8 100644 --- a/sound/soc/ux500/Makefile +++ b/sound/soc/ux500/Makefile @@ -2,3 +2,9 @@ snd-soc-ux500-plat-msp-i2s-objs := ux500_msp_dai.o ux500_msp_i2s.o obj-$(CONFIG_SND_SOC_UX500_PLAT_MSP_I2S) += snd-soc-ux500-plat-msp-i2s.o + +snd-soc-ux500-plat-dma-objs := ux500_pcm.o +obj-$(CONFIG_SND_SOC_UX500_PLAT_DMA) += snd-soc-ux500-plat-dma.o + +snd-soc-ux500-mach-mop500-objs := mop500.o mop500_ab8500.o +obj-$(CONFIG_SND_SOC_UX500_MACH_MOP500) += snd-soc-ux500-mach-mop500.o diff --git a/sound/soc/ux500/mop500.c b/sound/soc/ux500/mop500.c new file mode 100644 index 00000000000..b3b66aa98dc --- /dev/null +++ b/sound/soc/ux500/mop500.c @@ -0,0 +1,170 @@ +/* + * Copyright (C) ST-Ericsson SA 2012 + * + * Author: Ola Lilja (ola.o.lilja@stericsson.com) + * for ST-Ericsson. + * + * License terms: + * + * 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. + */ + +#include <asm/mach-types.h> + +#include <linux/module.h> +#include <linux/io.h> +#include <linux/spi/spi.h> +#include <linux/of.h> + +#include <sound/soc.h> +#include <sound/initval.h> + +#include "ux500_pcm.h" +#include "ux500_msp_dai.h" + +#include "mop500_ab8500.h" + +/* Define the whole MOP500 soundcard, linking platform to the codec-drivers */ +static struct snd_soc_dai_link mop500_dai_links[] = { + { + .name = "ab8500_0", + .stream_name = "ab8500_0", + .cpu_dai_name = "ux500-msp-i2s.1", + .codec_dai_name = "ab8500-codec-dai.0", + .platform_name = "ux500-msp-i2s.1", + .codec_name = "ab8500-codec.0", + .init = mop500_ab8500_machine_init, + .ops = mop500_ab8500_ops, + }, + { + .name = "ab8500_1", + .stream_name = "ab8500_1", + .cpu_dai_name = "ux500-msp-i2s.3", + .codec_dai_name = "ab8500-codec-dai.1", + .platform_name = "ux500-msp-i2s.3", + .codec_name = "ab8500-codec.0", + .init = NULL, + .ops = mop500_ab8500_ops, + }, +}; + +static struct snd_soc_card mop500_card = { + .name = "MOP500-card", + .owner = THIS_MODULE, + .probe = NULL, + .dai_link = mop500_dai_links, + .num_links = ARRAY_SIZE(mop500_dai_links), +}; + +static void mop500_of_node_put(void) +{ + int i; + + for (i = 0; i < 2; i++) { + if (mop500_dai_links[i].cpu_of_node) + of_node_put((struct device_node *) + mop500_dai_links[i].cpu_of_node); + if (mop500_dai_links[i].codec_of_node) + of_node_put((struct device_node *) + mop500_dai_links[i].codec_of_node); + } +} + +static int mop500_of_probe(struct platform_device *pdev, + struct device_node *np) +{ + struct device_node *codec_np, *msp_np[2]; + int i; + + msp_np[0] = of_parse_phandle(np, "stericsson,cpu-dai", 0); + msp_np[1] = of_parse_phandle(np, "stericsson,cpu-dai", 1); + codec_np = of_parse_phandle(np, "stericsson,audio-codec", 0); + + if (!(msp_np[0] && msp_np[1] && codec_np)) { + dev_err(&pdev->dev, "Phandle missing or invalid\n"); + mop500_of_node_put(); + return -EINVAL; + } + + for (i = 0; i < 2; i++) { + mop500_dai_links[i].cpu_of_node = msp_np[i]; + mop500_dai_links[i].cpu_dai_name = NULL; + mop500_dai_links[i].platform_of_node = msp_np[i]; + mop500_dai_links[i].platform_name = NULL; + mop500_dai_links[i].codec_of_node = codec_np; + mop500_dai_links[i].codec_name = NULL; + } + + snd_soc_of_parse_card_name(&mop500_card, "stericsson,card-name"); + + return 0; +} + +static int mop500_probe(struct platform_device *pdev) +{ + struct device_node *np = pdev->dev.of_node; + int ret; + + dev_dbg(&pdev->dev, "%s: Enter.\n", __func__); + + mop500_card.dev = &pdev->dev; + + if (np) { + ret = mop500_of_probe(pdev, np); + if (ret) + return ret; + } + + dev_dbg(&pdev->dev, "%s: Card %s: Set platform drvdata.\n", + __func__, mop500_card.name); + platform_set_drvdata(pdev, &mop500_card); + + snd_soc_card_set_drvdata(&mop500_card, NULL); + + dev_dbg(&pdev->dev, "%s: Card %s: num_links = %d\n", + __func__, mop500_card.name, mop500_card.num_links); + dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: name = %s\n", + __func__, mop500_card.name, mop500_card.dai_link[0].name); + dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: stream_name = %s\n", + __func__, mop500_card.name, + mop500_card.dai_link[0].stream_name); + + ret = snd_soc_register_card(&mop500_card); + if (ret) + dev_err(&pdev->dev, + "Error: snd_soc_register_card failed (%d)!\n", ret); + + return ret; +} + +static int mop500_remove(struct platform_device *pdev) +{ + struct snd_soc_card *mop500_card = platform_get_drvdata(pdev); + + pr_debug("%s: Enter.\n", __func__); + + snd_soc_unregister_card(mop500_card); + mop500_ab8500_remove(mop500_card); + mop500_of_node_put(); + + return 0; +} + +static const struct of_device_id snd_soc_mop500_match[] = { + { .compatible = "stericsson,snd-soc-mop500", }, + {}, +}; + +static struct platform_driver snd_soc_mop500_driver = { + .driver = { + .owner = THIS_MODULE, + .name = "snd-soc-mop500", + .of_match_table = snd_soc_mop500_match, + }, + .probe = mop500_probe, + .remove = mop500_remove, +}; + +module_platform_driver(snd_soc_mop500_driver); diff --git a/sound/soc/ux500/mop500_ab8500.c b/sound/soc/ux500/mop500_ab8500.c new file mode 100644 index 00000000000..be4f1ac7cd5 --- /dev/null +++ b/sound/soc/ux500/mop500_ab8500.c @@ -0,0 +1,455 @@ +/* + * Copyright (C) ST-Ericsson SA 2012 + * + * Author: Ola Lilja <ola.o.lilja@stericsson.com>, + * Kristoffer Karlsson <kristoffer.karlsson@stericsson.com> + * for ST-Ericsson. + * + * License terms: + * + * 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. + */ + +#include <linux/module.h> +#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> +#include <sound/pcm.h> +#include <sound/pcm_params.h> + +#include "ux500_pcm.h" +#include "ux500_msp_dai.h" +#include "mop500_ab8500.h" +#include "../codecs/ab8500-codec.h" + +#define TX_SLOT_MONO 0x0008 +#define TX_SLOT_STEREO 0x000a +#define RX_SLOT_MONO 0x0001 +#define RX_SLOT_STEREO 0x0003 +#define TX_SLOT_8CH 0x00FF +#define RX_SLOT_8CH 0x00FF + +#define DEF_TX_SLOTS TX_SLOT_STEREO +#define DEF_RX_SLOTS RX_SLOT_MONO + +#define DRIVERMODE_NORMAL 0 +#define DRIVERMODE_CODEC_ONLY 1 + +/* Slot configuration */ +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", + "ULPCLK" +}; +enum mclk { + MCLK_SYSCLK, + MCLK_ULPCLK, +}; + +static SOC_ENUM_SINGLE_EXT_DECL(soc_enum_mclk, enum_mclk); + +/* Private data for machine-part MOP500<->AB8500 */ +struct mop500_ab8500_drvdata { + /* Clocks */ + enum mclk mclk_sel; + struct clk *clk_ptr_intclk; + struct clk *clk_ptr_sysclk; + struct clk *clk_ptr_ulpclk; +}; + +static inline const char *get_mclk_str(enum mclk mclk_sel) +{ + switch (mclk_sel) { + case MCLK_SYSCLK: + return "SYSCLK"; + case MCLK_ULPCLK: + return "ULPCLK"; + default: + return "Unknown"; + } +} + +static int mop500_ab8500_set_mclk(struct device *dev, + struct mop500_ab8500_drvdata *drvdata) +{ + int status; + struct clk *clk_ptr; + + if (IS_ERR(drvdata->clk_ptr_intclk)) { + dev_err(dev, + "%s: ERROR: intclk not initialized!\n", __func__); + return -EIO; + } + + switch (drvdata->mclk_sel) { + case MCLK_SYSCLK: + clk_ptr = drvdata->clk_ptr_sysclk; + break; + case MCLK_ULPCLK: + clk_ptr = drvdata->clk_ptr_ulpclk; + break; + default: + return -EINVAL; + } + + if (IS_ERR(clk_ptr)) { + dev_err(dev, "%s: ERROR: %s not initialized!\n", __func__, + get_mclk_str(drvdata->mclk_sel)); + return -EIO; + } + + status = clk_set_parent(drvdata->clk_ptr_intclk, clk_ptr); + if (status) + dev_err(dev, + "%s: ERROR: Setting intclk parent to %s failed (ret = %d)!", + __func__, get_mclk_str(drvdata->mclk_sel), status); + else + dev_dbg(dev, + "%s: intclk parent changed to %s.\n", + __func__, get_mclk_str(drvdata->mclk_sel)); + + return status; +} + +/* + * Control-events + */ + +static int mclk_input_control_get(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + struct mop500_ab8500_drvdata *drvdata = + snd_soc_card_get_drvdata(card); + + ucontrol->value.enumerated.item[0] = drvdata->mclk_sel; + + return 0; +} + +static int mclk_input_control_put(struct snd_kcontrol *kcontrol, + struct snd_ctl_elem_value *ucontrol) +{ + struct snd_soc_card *card = snd_kcontrol_chip(kcontrol); + struct mop500_ab8500_drvdata *drvdata = + snd_soc_card_get_drvdata(card); + unsigned int val = ucontrol->value.enumerated.item[0]; + + if (val > (unsigned int)MCLK_ULPCLK) + return -EINVAL; + if (drvdata->mclk_sel == val) + return 0; + + drvdata->mclk_sel = val; + + return 1; +} + +/* + * Controls + */ + +static struct snd_kcontrol_new mop500_ab8500_ctrls[] = { + SOC_ENUM_EXT("Master Clock Select", + soc_enum_mclk, + mclk_input_control_get, mclk_input_control_put), + SOC_DAPM_PIN_SWITCH("Headset Left"), + SOC_DAPM_PIN_SWITCH("Headset Right"), + SOC_DAPM_PIN_SWITCH("Earpiece"), + SOC_DAPM_PIN_SWITCH("Speaker Left"), + SOC_DAPM_PIN_SWITCH("Speaker Right"), + SOC_DAPM_PIN_SWITCH("LineOut Left"), + SOC_DAPM_PIN_SWITCH("LineOut Right"), + SOC_DAPM_PIN_SWITCH("Vibra 1"), + SOC_DAPM_PIN_SWITCH("Vibra 2"), + SOC_DAPM_PIN_SWITCH("Mic 1"), + SOC_DAPM_PIN_SWITCH("Mic 2"), + SOC_DAPM_PIN_SWITCH("LineIn Left"), + SOC_DAPM_PIN_SWITCH("LineIn Right"), + SOC_DAPM_PIN_SWITCH("DMic 1"), + SOC_DAPM_PIN_SWITCH("DMic 2"), + SOC_DAPM_PIN_SWITCH("DMic 3"), + SOC_DAPM_PIN_SWITCH("DMic 4"), + SOC_DAPM_PIN_SWITCH("DMic 5"), + SOC_DAPM_PIN_SWITCH("DMic 6"), +}; + +/* ASoC */ + +static int mop500_ab8500_startup(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + + /* Set audio-clock source */ + return mop500_ab8500_set_mclk(rtd->card->dev, + snd_soc_card_get_drvdata(rtd->card)); +} + +static void mop500_ab8500_shutdown(struct snd_pcm_substream *substream) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct device *dev = rtd->card->dev; + + dev_dbg(dev, "%s: Enter\n", __func__); + + /* Reset slots configuration to default(s) */ + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + tx_slots = DEF_TX_SLOTS; + else + rx_slots = DEF_RX_SLOTS; +} + +static int mop500_ab8500_hw_params(struct snd_pcm_substream *substream, + struct snd_pcm_hw_params *params) +{ + struct snd_soc_pcm_runtime *rtd = substream->private_data; + struct snd_soc_dai *codec_dai = rtd->codec_dai; + struct snd_soc_dai *cpu_dai = rtd->cpu_dai; + struct device *dev = rtd->card->dev; + unsigned int fmt; + int channels, ret = 0, driver_mode, slots; + unsigned int sw_codec, sw_cpu; + bool is_playback; + + dev_dbg(dev, "%s: Enter\n", __func__); + + dev_dbg(dev, "%s: substream->pcm->name = %s\n" + "substream->pcm->id = %s.\n" + "substream->name = %s.\n" + "substream->number = %d.\n", + __func__, + substream->pcm->name, + substream->pcm->id, + 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)) { + case SNDRV_PCM_FORMAT_S32_LE: + sw_cpu = 32; + break; + + case SNDRV_PCM_FORMAT_S16_LE: + sw_cpu = 16; + break; + + default: + return -EINVAL; + } + + /* Setup codec depending on driver-mode */ + if (channels == 8) + driver_mode = DRIVERMODE_CODEC_ONLY; + else + driver_mode = DRIVERMODE_NORMAL; + dev_dbg(dev, "%s: Driver-mode: %s.\n", __func__, + (driver_mode == DRIVERMODE_NORMAL) ? "NORMAL" : "CODEC_ONLY"); + + /* Setup format */ + + if (driver_mode == DRIVERMODE_NORMAL) { + fmt = SND_SOC_DAIFMT_DSP_A | + SND_SOC_DAIFMT_CBM_CFM | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_CONT; + } else { + fmt = SND_SOC_DAIFMT_DSP_A | + SND_SOC_DAIFMT_CBM_CFM | + SND_SOC_DAIFMT_NB_NF | + SND_SOC_DAIFMT_GATED; + } + + ret = snd_soc_dai_set_fmt(codec_dai, fmt); + if (ret < 0) { + dev_err(dev, + "%s: ERROR: snd_soc_dai_set_fmt failed for codec_dai (ret = %d)!\n", + __func__, ret); + return ret; + } + + ret = snd_soc_dai_set_fmt(cpu_dai, fmt); + if (ret < 0) { + dev_err(dev, + "%s: ERROR: snd_soc_dai_set_fmt failed for cpu_dai (ret = %d)!\n", + __func__, ret); + return ret; + } + + /* Setup TDM-slots */ + + is_playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK); + switch (channels) { + case 1: + slots = 16; + tx_slots = (is_playback) ? TX_SLOT_MONO : 0; + rx_slots = (is_playback) ? 0 : RX_SLOT_MONO; + break; + case 2: + slots = 16; + tx_slots = (is_playback) ? TX_SLOT_STEREO : 0; + rx_slots = (is_playback) ? 0 : RX_SLOT_STEREO; + break; + case 8: + slots = 16; + tx_slots = (is_playback) ? TX_SLOT_8CH : 0; + rx_slots = (is_playback) ? 0 : RX_SLOT_8CH; + break; + default: + return -EINVAL; + } + + if (driver_mode == DRIVERMODE_NORMAL) + sw_codec = sw_cpu; + else + sw_codec = 20; + + dev_dbg(dev, "%s: CPU-DAI TDM: TX=0x%04X RX=0x%04x\n", __func__, + tx_slots, rx_slots); + ret = snd_soc_dai_set_tdm_slot(cpu_dai, tx_slots, rx_slots, slots, + sw_cpu); + if (ret) + return ret; + + dev_dbg(dev, "%s: CODEC-DAI TDM: TX=0x%04X RX=0x%04x\n", __func__, + tx_slots, rx_slots); + ret = snd_soc_dai_set_tdm_slot(codec_dai, tx_slots, rx_slots, slots, + sw_codec); + if (ret) + return ret; + + 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, + } +}; + +int mop500_ab8500_machine_init(struct snd_soc_pcm_runtime *rtd) +{ + struct snd_soc_codec *codec = rtd->codec; + struct device *dev = rtd->card->dev; + struct mop500_ab8500_drvdata *drvdata; + int ret; + + dev_dbg(dev, "%s Enter.\n", __func__); + + /* Create driver private-data struct */ + drvdata = devm_kzalloc(dev, sizeof(struct mop500_ab8500_drvdata), + GFP_KERNEL); + snd_soc_card_set_drvdata(rtd->card, drvdata); + + /* Setup clocks */ + + drvdata->clk_ptr_sysclk = clk_get(dev, "sysclk"); + if (IS_ERR(drvdata->clk_ptr_sysclk)) + dev_warn(dev, "%s: WARNING: clk_get failed for 'sysclk'!\n", + __func__); + drvdata->clk_ptr_ulpclk = clk_get(dev, "ulpclk"); + if (IS_ERR(drvdata->clk_ptr_ulpclk)) + dev_warn(dev, "%s: WARNING: clk_get failed for 'ulpclk'!\n", + __func__); + drvdata->clk_ptr_intclk = clk_get(dev, "intclk"); + if (IS_ERR(drvdata->clk_ptr_intclk)) + dev_warn(dev, "%s: WARNING: clk_get failed for 'intclk'!\n", + __func__); + + /* Set intclk default parent to ulpclk */ + drvdata->mclk_sel = MCLK_ULPCLK; + ret = mop500_ab8500_set_mclk(dev, drvdata); + if (ret < 0) + dev_warn(dev, "%s: WARNING: mop500_ab8500_set_mclk!\n", + __func__); + + drvdata->mclk_sel = MCLK_ULPCLK; + + /* Add controls */ + ret = snd_soc_add_card_controls(rtd->card, mop500_ab8500_ctrls, + ARRAY_SIZE(mop500_ab8500_ctrls)); + if (ret < 0) { + pr_err("%s: Failed to add machine-controls (%d)!\n", + __func__, ret); + return ret; + } + + ret = snd_soc_dapm_disable_pin(&codec->dapm, "Earpiece"); + ret |= snd_soc_dapm_disable_pin(&codec->dapm, "Speaker Left"); + ret |= snd_soc_dapm_disable_pin(&codec->dapm, "Speaker Right"); + ret |= snd_soc_dapm_disable_pin(&codec->dapm, "LineOut Left"); + ret |= snd_soc_dapm_disable_pin(&codec->dapm, "LineOut Right"); + ret |= snd_soc_dapm_disable_pin(&codec->dapm, "Vibra 1"); + ret |= snd_soc_dapm_disable_pin(&codec->dapm, "Vibra 2"); + ret |= snd_soc_dapm_disable_pin(&codec->dapm, "Mic 1"); + ret |= snd_soc_dapm_disable_pin(&codec->dapm, "Mic 2"); + ret |= snd_soc_dapm_disable_pin(&codec->dapm, "LineIn Left"); + ret |= snd_soc_dapm_disable_pin(&codec->dapm, "LineIn Right"); + ret |= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 1"); + ret |= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 2"); + ret |= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 3"); + ret |= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 4"); + ret |= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 5"); + ret |= snd_soc_dapm_disable_pin(&codec->dapm, "DMic 6"); + + return ret; +} + +void mop500_ab8500_remove(struct snd_soc_card *card) +{ + struct mop500_ab8500_drvdata *drvdata = snd_soc_card_get_drvdata(card); + + if (drvdata->clk_ptr_sysclk != NULL) + clk_put(drvdata->clk_ptr_sysclk); + if (drvdata->clk_ptr_ulpclk != NULL) + clk_put(drvdata->clk_ptr_ulpclk); + if (drvdata->clk_ptr_intclk != NULL) + clk_put(drvdata->clk_ptr_intclk); + + snd_soc_card_set_drvdata(card, drvdata); +} diff --git a/sound/soc/ux500/mop500_ab8500.h b/sound/soc/ux500/mop500_ab8500.h new file mode 100644 index 00000000000..cca5b33964b --- /dev/null +++ b/sound/soc/ux500/mop500_ab8500.h @@ -0,0 +1,22 @@ +/* + * Copyright (C) ST-Ericsson SA 2012 + * + * Author: Ola Lilja <ola.o.lilja@stericsson.com> + * for ST-Ericsson. + * + * License terms: + * + * 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. + */ + +#ifndef MOP500_AB8500_H +#define MOP500_AB8500_H + +extern struct snd_soc_ops mop500_ab8500_ops[]; + +int mop500_ab8500_machine_init(struct snd_soc_pcm_runtime *runtime); +void mop500_ab8500_remove(struct snd_soc_card *card); + +#endif diff --git a/sound/soc/ux500/ux500_msp_dai.c b/sound/soc/ux500/ux500_msp_dai.c index 93c6c40e724..5f4807b2c00 100644 --- a/sound/soc/ux500/ux500_msp_dai.c +++ b/sound/soc/ux500/ux500_msp_dai.c @@ -17,17 +17,18 @@ #include <linux/bitops.h> #include <linux/platform_device.h> #include <linux/clk.h> +#include <linux/of.h> #include <linux/regulator/consumer.h> #include <linux/mfd/dbx500-prcmu.h> - -#include <mach/hardware.h> -#include <mach/board-mop500-msp.h> +#include <linux/platform_data/asoc-ux500-msp.h> #include <sound/soc.h> #include <sound/soc-dai.h> +#include <sound/dmaengine_pcm.h> #include "ux500_msp_i2s.h" #include "ux500_msp_dai.h" +#include "ux500_pcm.h" static int setup_pcm_multichan(struct snd_soc_dai *dai, struct ux500_msp_config *msp_config) @@ -398,11 +399,28 @@ static int ux500_msp_dai_startup(struct snd_pcm_substream *substream, return ret; } - /* Enable clock */ - dev_dbg(dai->dev, "%s: Enabling MSP-clock.\n", __func__); - clk_enable(drvdata->clk); + /* Prepare and enable clocks */ + dev_dbg(dai->dev, "%s: Enabling MSP-clocks.\n", __func__); + ret = clk_prepare_enable(drvdata->pclk); + if (ret) { + dev_err(drvdata->msp->dev, + "%s: Failed to prepare/enable pclk!\n", __func__); + goto err_pclk; + } - return 0; + ret = clk_prepare_enable(drvdata->clk); + if (ret) { + dev_err(drvdata->msp->dev, + "%s: Failed to prepare/enable clk!\n", __func__); + goto err_clk; + } + + return ret; +err_clk: + clk_disable_unprepare(drvdata->pclk); +err_pclk: + regulator_disable(drvdata->reg_vape); + return ret; } static void ux500_msp_dai_shutdown(struct snd_pcm_substream *substream, @@ -428,8 +446,9 @@ static void ux500_msp_dai_shutdown(struct snd_pcm_substream *substream, __func__, dai->id, snd_pcm_stream_str(substream)); } - /* Disable clock */ - clk_disable(drvdata->clk); + /* Disable and unprepare clocks */ + clk_disable_unprepare(drvdata->clk); + clk_disable_unprepare(drvdata->pclk); /* Disable regulator */ ret = regulator_disable(drvdata->reg_vape); @@ -637,19 +656,52 @@ static int ux500_msp_dai_trigger(struct snd_pcm_substream *substream, return ret; } -static int ux500_msp_dai_probe(struct snd_soc_dai *dai) +static int ux500_msp_dai_of_probe(struct snd_soc_dai *dai) { struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev); + struct snd_dmaengine_dai_dma_data *playback_dma_data; + struct snd_dmaengine_dai_dma_data *capture_dma_data; + + playback_dma_data = devm_kzalloc(dai->dev, + sizeof(*playback_dma_data), + GFP_KERNEL); + if (!playback_dma_data) + return -ENOMEM; - drvdata->playback_dma_data.dma_cfg = drvdata->msp->dma_cfg_tx; - drvdata->capture_dma_data.dma_cfg = drvdata->msp->dma_cfg_rx; + capture_dma_data = devm_kzalloc(dai->dev, + sizeof(*capture_dma_data), + GFP_KERNEL); + if (!capture_dma_data) + return -ENOMEM; - dai->playback_dma_data = &drvdata->playback_dma_data; - dai->capture_dma_data = &drvdata->capture_dma_data; + playback_dma_data->addr = drvdata->msp->playback_dma_data.tx_rx_addr; + capture_dma_data->addr = drvdata->msp->capture_dma_data.tx_rx_addr; + + playback_dma_data->maxburst = 4; + capture_dma_data->maxburst = 4; + + snd_soc_dai_init_dma_data(dai, playback_dma_data, capture_dma_data); + + return 0; +} + +static int ux500_msp_dai_probe(struct snd_soc_dai *dai) +{ + struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(dai->dev); + struct msp_i2s_platform_data *pdata = dai->dev->platform_data; + int ret; + + if (!pdata) { + ret = ux500_msp_dai_of_probe(dai); + return ret; + } - 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; + snd_soc_dai_init_dma_data(dai, + &drvdata->msp->playback_dma_data, + &drvdata->msp->capture_dma_data); return 0; } @@ -666,100 +718,44 @@ static struct snd_soc_dai_ops ux500_msp_dai_ops[] = { } }; -static struct snd_soc_dai_driver ux500_msp_dai_drv[UX500_NBR_OF_DAI] = { - { - .name = "ux500-msp-i2s.0", - .probe = ux500_msp_dai_probe, - .id = 0, - .suspend = NULL, - .resume = NULL, - .playback = { - .channels_min = UX500_MSP_MIN_CHANNELS, - .channels_max = UX500_MSP_MAX_CHANNELS, - .rates = UX500_I2S_RATES, - .formats = UX500_I2S_FORMATS, - }, - .capture = { - .channels_min = UX500_MSP_MIN_CHANNELS, - .channels_max = UX500_MSP_MAX_CHANNELS, - .rates = UX500_I2S_RATES, - .formats = UX500_I2S_FORMATS, - }, - .ops = ux500_msp_dai_ops, - }, - { - .name = "ux500-msp-i2s.1", - .probe = ux500_msp_dai_probe, - .id = 1, - .suspend = NULL, - .resume = NULL, - .playback = { - .channels_min = UX500_MSP_MIN_CHANNELS, - .channels_max = UX500_MSP_MAX_CHANNELS, - .rates = UX500_I2S_RATES, - .formats = UX500_I2S_FORMATS, - }, - .capture = { - .channels_min = UX500_MSP_MIN_CHANNELS, - .channels_max = UX500_MSP_MAX_CHANNELS, - .rates = UX500_I2S_RATES, - .formats = UX500_I2S_FORMATS, - }, - .ops = ux500_msp_dai_ops, - }, - { - .name = "ux500-msp-i2s.2", - .id = 2, - .probe = ux500_msp_dai_probe, - .suspend = NULL, - .resume = NULL, - .playback = { - .channels_min = UX500_MSP_MIN_CHANNELS, - .channels_max = UX500_MSP_MAX_CHANNELS, - .rates = UX500_I2S_RATES, - .formats = UX500_I2S_FORMATS, - }, - .capture = { - .channels_min = UX500_MSP_MIN_CHANNELS, - .channels_max = UX500_MSP_MAX_CHANNELS, - .rates = UX500_I2S_RATES, - .formats = UX500_I2S_FORMATS, - }, - .ops = ux500_msp_dai_ops, - }, - { - .name = "ux500-msp-i2s.3", - .probe = ux500_msp_dai_probe, - .id = 3, - .suspend = NULL, - .resume = NULL, - .playback = { - .channels_min = UX500_MSP_MIN_CHANNELS, - .channels_max = UX500_MSP_MAX_CHANNELS, - .rates = UX500_I2S_RATES, - .formats = UX500_I2S_FORMATS, - }, - .capture = { - .channels_min = UX500_MSP_MIN_CHANNELS, - .channels_max = UX500_MSP_MAX_CHANNELS, - .rates = UX500_I2S_RATES, - .formats = UX500_I2S_FORMATS, - }, - .ops = ux500_msp_dai_ops, - }, +static struct snd_soc_dai_driver ux500_msp_dai_drv = { + .probe = ux500_msp_dai_probe, + .suspend = NULL, + .resume = NULL, + .playback.channels_min = UX500_MSP_MIN_CHANNELS, + .playback.channels_max = UX500_MSP_MAX_CHANNELS, + .playback.rates = UX500_I2S_RATES, + .playback.formats = UX500_I2S_FORMATS, + .capture.channels_min = UX500_MSP_MIN_CHANNELS, + .capture.channels_max = UX500_MSP_MAX_CHANNELS, + .capture.rates = UX500_I2S_RATES, + .capture.formats = UX500_I2S_FORMATS, + .ops = ux500_msp_dai_ops, +}; + +static const struct snd_soc_component_driver ux500_msp_component = { + .name = "ux500-msp", }; -static int __devinit ux500_msp_drv_probe(struct platform_device *pdev) + +static int ux500_msp_drv_probe(struct platform_device *pdev) { struct ux500_msp_i2s_drvdata *drvdata; + struct msp_i2s_platform_data *pdata = pdev->dev.platform_data; + struct device_node *np = pdev->dev.of_node; int ret = 0; - dev_dbg(&pdev->dev, "%s: Enter (pdev->name = %s).\n", __func__, - pdev->name); + if (!pdata && !np) { + dev_err(&pdev->dev, "No platform data or Device Tree found\n"); + return -ENODEV; + } drvdata = devm_kzalloc(&pdev->dev, sizeof(struct ux500_msp_i2s_drvdata), GFP_KERNEL); + if (!drvdata) + return -ENOMEM; + drvdata->fmt = 0; drvdata->slots = 1; drvdata->tx_mask = 0x01; @@ -777,6 +773,14 @@ static int __devinit ux500_msp_drv_probe(struct platform_device *pdev) } prcmu_qos_add_requirement(PRCMU_QOS_APE_OPP, (char *)pdev->name, 50); + drvdata->pclk = clk_get(&pdev->dev, "apb_pclk"); + if (IS_ERR(drvdata->pclk)) { + ret = (int)PTR_ERR(drvdata->pclk); + dev_err(&pdev->dev, "%s: ERROR: clk_get of pclk failed (%d)!\n", + __func__, ret); + goto err_pclk; + } + drvdata->clk = clk_get(&pdev->dev, NULL); if (IS_ERR(drvdata->clk)) { ret = (int)PTR_ERR(drvdata->clk); @@ -795,49 +799,69 @@ static int __devinit ux500_msp_drv_probe(struct platform_device *pdev) } dev_set_drvdata(&pdev->dev, drvdata); - ret = snd_soc_register_dai(&pdev->dev, - &ux500_msp_dai_drv[drvdata->msp->id]); + ret = snd_soc_register_component(&pdev->dev, &ux500_msp_component, + &ux500_msp_dai_drv, 1); if (ret < 0) { dev_err(&pdev->dev, "Error: %s: Failed to register MSP%d!\n", __func__, drvdata->msp->id); goto err_init_msp; } + ret = ux500_pcm_register_platform(pdev); + if (ret < 0) { + dev_err(&pdev->dev, + "Error: %s: Failed to register PCM platform device!\n", + __func__); + goto err_reg_plat; + } + return 0; +err_reg_plat: + snd_soc_unregister_component(&pdev->dev); err_init_msp: clk_put(drvdata->clk); - err_clk: + clk_put(drvdata->pclk); +err_pclk: devm_regulator_put(drvdata->reg_vape); return ret; } -static int __devexit ux500_msp_drv_remove(struct platform_device *pdev) +static int ux500_msp_drv_remove(struct platform_device *pdev) { struct ux500_msp_i2s_drvdata *drvdata = dev_get_drvdata(&pdev->dev); - snd_soc_unregister_dais(&pdev->dev, ARRAY_SIZE(ux500_msp_dai_drv)); + ux500_pcm_unregister_platform(pdev); + + snd_soc_unregister_component(&pdev->dev); devm_regulator_put(drvdata->reg_vape); prcmu_qos_remove_requirement(PRCMU_QOS_APE_OPP, "ux500_msp_i2s"); clk_put(drvdata->clk); + clk_put(drvdata->pclk); ux500_msp_i2s_cleanup_msp(pdev, drvdata->msp); return 0; } +static const struct of_device_id ux500_msp_i2s_match[] = { + { .compatible = "stericsson,ux500-msp-i2s", }, + {}, +}; + static struct platform_driver msp_i2s_driver = { .driver = { .name = "ux500-msp-i2s", .owner = THIS_MODULE, + .of_match_table = ux500_msp_i2s_match, }, .probe = ux500_msp_drv_probe, .remove = ux500_msp_drv_remove, }; module_platform_driver(msp_i2s_driver); -MODULE_LICENSE("GPLv2"); +MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/ux500/ux500_msp_dai.h b/sound/soc/ux500/ux500_msp_dai.h index 98202a34a5d..312ae535e35 100644 --- a/sound/soc/ux500/ux500_msp_dai.h +++ b/sound/soc/ux500/ux500_msp_dai.h @@ -35,13 +35,8 @@ #define FRAME_PER_8_SLOTS 138 #define FRAME_PER_16_SLOTS 277 -#ifndef CONFIG_SND_SOC_UX500_AB5500 #define UX500_MSP_INTERNAL_CLOCK_FREQ 40000000 #define UX500_MSP1_INTERNAL_CLOCK_FREQ UX500_MSP_INTERNAL_CLOCK_FREQ -#else -#define UX500_MSP_INTERNAL_CLOCK_FREQ 13000000 -#define UX500_MSP1_INTERNAL_CLOCK_FREQ (UX500_MSP_INTERNAL_CLOCK_FREQ * 2) -#endif #define UX500_MSP_MIN_CHANNELS 1 #define UX500_MSP_MAX_CHANNELS 8 @@ -56,19 +51,16 @@ 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; struct clk *clk; + struct clk *pclk; /* Regulators */ int vape_opp_constraint; diff --git a/sound/soc/ux500/ux500_msp_i2s.c b/sound/soc/ux500/ux500_msp_i2s.c index 496dec10c96..959d7b4edf5 100644 --- a/sound/soc/ux500/ux500_msp_i2s.c +++ b/sound/soc/ux500/ux500_msp_i2s.c @@ -17,9 +17,9 @@ #include <linux/platform_device.h> #include <linux/delay.h> #include <linux/slab.h> - -#include <mach/hardware.h> -#include <mach/board-mop500-msp.h> +#include <linux/io.h> +#include <linux/of.h> +#include <linux/platform_data/asoc-ux500-msp.h> #include <sound/soc.h> @@ -355,16 +355,6 @@ static int enable_msp(struct ux500_msp *msp, struct ux500_msp_config *config) int status = 0; u32 reg_val_DMACR, reg_val_GCR; - /* Check msp state whether in RUN or CONFIGURED Mode */ - if ((msp->msp_state == MSP_STATE_IDLE) && (msp->plat_init)) { - status = msp->plat_init(); - if (status) { - dev_err(msp->dev, "%s: ERROR: Failed to init MSP (%d)!\n", - __func__, status); - return status; - } - } - /* Configure msp with protocol dependent settings */ configure_protocol(msp, config); setup_bitclk(msp, config); @@ -377,12 +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; @@ -631,12 +623,7 @@ int ux500_msp_i2s_close(struct ux500_msp *msp, unsigned int dir) writel((readl(msp->registers + MSP_GCR) & (~(FRAME_GEN_ENABLE | SRG_ENABLE))), msp->registers + MSP_GCR); - if (msp->plat_exit) - status = msp->plat_exit(); - if (status) - dev_warn(msp->dev, - "%s: WARN: ux500_msp_i2s_exit failed (%d)!\n", - __func__, status); + writel(0, msp->registers + MSP_GCR); writel(0, msp->registers + MSP_TCF); writel(0, msp->registers + MSP_RCF); @@ -659,84 +646,91 @@ int ux500_msp_i2s_close(struct ux500_msp *msp, unsigned int dir) } +static int ux500_msp_i2s_of_init_msp(struct platform_device *pdev, + struct ux500_msp *msp, + struct msp_i2s_platform_data **platform_data) +{ + struct msp_i2s_platform_data *pdata; + + *platform_data = devm_kzalloc(&pdev->dev, + sizeof(struct msp_i2s_platform_data), + GFP_KERNEL); + pdata = *platform_data; + if (!pdata) + return -ENOMEM; + + msp->playback_dma_data.dma_cfg = devm_kzalloc(&pdev->dev, + sizeof(struct stedma40_chan_cfg), + GFP_KERNEL); + if (!msp->playback_dma_data.dma_cfg) + return -ENOMEM; + + msp->capture_dma_data.dma_cfg = devm_kzalloc(&pdev->dev, + sizeof(struct stedma40_chan_cfg), + GFP_KERNEL); + if (!msp->capture_dma_data.dma_cfg) + return -ENOMEM; + + return 0; +} + int ux500_msp_i2s_init_msp(struct platform_device *pdev, struct ux500_msp **msp_p, struct msp_i2s_platform_data *platform_data) { - int ret = 0; struct resource *res = NULL; - struct i2s_controller *i2s_cont; + struct device_node *np = pdev->dev.of_node; struct ux500_msp *msp; - - dev_dbg(&pdev->dev, "%s: Enter (name: %s, id: %d).\n", __func__, - pdev->name, platform_data->id); + int ret; *msp_p = devm_kzalloc(&pdev->dev, sizeof(struct ux500_msp), GFP_KERNEL); msp = *msp_p; + if (!msp) + return -ENOMEM; + + if (!platform_data) { + if (np) { + ret = ux500_msp_i2s_of_init_msp(pdev, msp, + &platform_data); + if (ret) + return ret; + } else + return -EINVAL; + } else { + msp->playback_dma_data.dma_cfg = platform_data->msp_i2s_dma_tx; + msp->capture_dma_data.dma_cfg = platform_data->msp_i2s_dma_rx; + msp->id = platform_data->id; + } - msp->id = platform_data->id; msp->dev = &pdev->dev; - msp->plat_init = platform_data->msp_i2s_init; - msp->plat_exit = platform_data->msp_i2s_exit; - msp->dma_cfg_rx = platform_data->msp_i2s_dma_rx; - msp->dma_cfg_tx = platform_data->msp_i2s_dma_tx; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (res == NULL) { dev_err(&pdev->dev, "%s: ERROR: Unable to get resource!\n", __func__); - ret = -ENOMEM; - goto err_res; + return -ENOMEM; } - msp->registers = ioremap(res->start, (res->end - res->start + 1)); + 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) { dev_err(&pdev->dev, "%s: ERROR: ioremap failed!\n", __func__); - ret = -ENOMEM; - goto err_res; + return -ENOMEM; } 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__); - goto err_i2s_cont; - } - 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; - return 0; - -err_i2s_cont: - iounmap(msp->registers); - -err_res: - devm_kfree(&pdev->dev, msp); - - return ret; } 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); - devm_kfree(&pdev->dev, msp->i2s_cont); - - iounmap(msp->registers); - - devm_kfree(&pdev->dev, msp); } -MODULE_LICENSE("GPLv2"); +MODULE_LICENSE("GPL v2"); diff --git a/sound/soc/ux500/ux500_msp_i2s.h b/sound/soc/ux500/ux500_msp_i2s.h index 7f71b4a0d4b..875de0f68b8 100644 --- a/sound/soc/ux500/ux500_msp_i2s.h +++ b/sound/soc/ux500/ux500_msp_i2s.h @@ -16,8 +16,7 @@ #define UX500_MSP_I2S_H #include <linux/platform_device.h> - -#include <mach/board-mop500-msp.h> +#include <linux/platform_data/asoc-ux500-msp.h> #define MSP_INPUT_FREQ_APB 48000000 @@ -343,11 +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, @@ -372,13 +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, @@ -456,32 +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; @@ -493,8 +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; @@ -504,41 +463,31 @@ 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; + int 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); - int (*plat_init) (void); - int (*plat_exit) (void); - 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; }; -struct ux500_msp_dma_params { - unsigned int data_size; - struct stedma40_chan_cfg *dma_cfg; -}; - +struct msp_i2s_platform_data; int ux500_msp_i2s_init_msp(struct platform_device *pdev, struct ux500_msp **msp_p, struct msp_i2s_platform_data *platform_data); diff --git a/sound/soc/ux500/ux500_pcm.c b/sound/soc/ux500/ux500_pcm.c new file mode 100644 index 00000000000..51a66a87305 --- /dev/null +++ b/sound/soc/ux500/ux500_pcm.c @@ -0,0 +1,168 @@ +/* + * Copyright (C) ST-Ericsson SA 2012 + * + * Author: Ola Lilja <ola.o.lilja@stericsson.com>, + * Roger Nilsson <roger.xr.nilsson@stericsson.com> + * for ST-Ericsson. + * + * License terms: + * + * 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. + */ + +#include <asm/page.h> + +#include <linux/module.h> +#include <linux/dma-mapping.h> +#include <linux/dmaengine.h> +#include <linux/slab.h> +#include <linux/platform_data/dma-ste-dma40.h> + +#include <sound/pcm.h> +#include <sound/pcm_params.h> +#include <sound/soc.h> +#include <sound/dmaengine_pcm.h> + +#include "ux500_msp_i2s.h" +#include "ux500_pcm.h" + +#define UX500_PLATFORM_PERIODS_BYTES_MIN 128 +#define UX500_PLATFORM_PERIODS_BYTES_MAX (64 * PAGE_SIZE) +#define UX500_PLATFORM_PERIODS_MIN 2 +#define UX500_PLATFORM_PERIODS_MAX 48 +#define UX500_PLATFORM_BUFFER_BYTES_MAX (2048 * PAGE_SIZE) + +static const struct snd_pcm_hardware ux500_pcm_hw = { + .info = SNDRV_PCM_INFO_INTERLEAVED | + SNDRV_PCM_INFO_MMAP | + SNDRV_PCM_INFO_RESUME | + SNDRV_PCM_INFO_PAUSE, + .buffer_bytes_max = UX500_PLATFORM_BUFFER_BYTES_MAX, + .period_bytes_min = UX500_PLATFORM_PERIODS_BYTES_MIN, + .period_bytes_max = UX500_PLATFORM_PERIODS_BYTES_MAX, + .periods_min = UX500_PLATFORM_PERIODS_MIN, + .periods_max = UX500_PLATFORM_PERIODS_MAX, +}; + +static struct dma_chan *ux500_pcm_request_chan(struct snd_soc_pcm_runtime *rtd, + struct snd_pcm_substream *substream) +{ + struct snd_soc_dai *dai = rtd->cpu_dai; + u16 per_data_width, mem_data_width; + struct stedma40_chan_cfg *dma_cfg; + struct ux500_msp_dma_params *dma_params; + + dma_params = snd_soc_dai_get_dma_data(dai, substream); + dma_cfg = dma_params->dma_cfg; + + mem_data_width = DMA_SLAVE_BUSWIDTH_2_BYTES; + + switch (dma_params->data_size) { + case 32: + per_data_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + break; + case 16: + per_data_width = DMA_SLAVE_BUSWIDTH_2_BYTES; + break; + case 8: + per_data_width = DMA_SLAVE_BUSWIDTH_1_BYTE; + break; + default: + per_data_width = DMA_SLAVE_BUSWIDTH_4_BYTES; + } + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + dma_cfg->src_info.data_width = mem_data_width; + dma_cfg->dst_info.data_width = per_data_width; + } else { + dma_cfg->src_info.data_width = per_data_width; + dma_cfg->dst_info.data_width = mem_data_width; + } + + 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 msp_i2s_platform_data *pdata = rtd->cpu_dai->dev->platform_data; + struct snd_dmaengine_dai_dma_data *snd_dma_params; + struct ux500_msp_dma_params *ste_dma_params; + dma_addr_t dma_addr; + int ret; + + if (pdata) { + ste_dma_params = + snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); + dma_addr = ste_dma_params->tx_rx_addr; + } else { + snd_dma_params = + snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); + dma_addr = snd_dma_params->addr; + } + + ret = snd_hwparams_to_dma_slave_config(substream, params, slave_config); + if (ret) + return ret; + + slave_config->dst_maxburst = 4; + slave_config->src_maxburst = 4; + + slave_config->src_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES; + slave_config->dst_addr_width = DMA_SLAVE_BUSWIDTH_2_BYTES; + + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + slave_config->dst_addr = dma_addr; + else + slave_config->src_addr = dma_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, +}; + +static const struct snd_dmaengine_pcm_config ux500_dmaengine_of_pcm_config = { + .compat_request_channel = ux500_pcm_request_chan, + .prepare_slave_config = ux500_pcm_prepare_slave_config, +}; + +int ux500_pcm_register_platform(struct platform_device *pdev) +{ + const struct snd_dmaengine_pcm_config *pcm_config; + struct device_node *np = pdev->dev.of_node; + int ret; + + if (np) + pcm_config = &ux500_dmaengine_of_pcm_config; + else + pcm_config = &ux500_dmaengine_pcm_config; + + ret = snd_dmaengine_pcm_register(&pdev->dev, pcm_config, + SND_DMAENGINE_PCM_FLAG_NO_RESIDUE | + SND_DMAENGINE_PCM_FLAG_COMPAT); + if (ret < 0) { + dev_err(&pdev->dev, + "%s: ERROR: Failed to register platform '%s' (%d)!\n", + __func__, pdev->name, ret); + return ret; + } + + return 0; +} +EXPORT_SYMBOL_GPL(ux500_pcm_register_platform); + +int ux500_pcm_unregister_platform(struct platform_device *pdev) +{ + snd_dmaengine_pcm_unregister(&pdev->dev); + return 0; +} +EXPORT_SYMBOL_GPL(ux500_pcm_unregister_platform); diff --git a/sound/soc/ux500/ux500_pcm.h b/sound/soc/ux500/ux500_pcm.h new file mode 100644 index 00000000000..d76e1aff645 --- /dev/null +++ b/sound/soc/ux500/ux500_pcm.h @@ -0,0 +1,24 @@ +/* + * Copyright (C) ST-Ericsson SA 2012 + * + * Author: Ola Lilja <ola.o.lilja@stericsson.com>, + * Roger Nilsson <roger.xr.nilsson@stericsson.com> + * for ST-Ericsson. + * + * License terms: + * + * 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. + */ +#ifndef UX500_PCM_H +#define UX500_PCM_H + +#include <asm/page.h> + +#include <linux/workqueue.h> + +int ux500_pcm_register_platform(struct platform_device *pdev); +int ux500_pcm_unregister_platform(struct platform_device *pdev); + +#endif |
