ASoC: Ux500: Add machine-driver
Add machine-driver for ST-Ericsson U8500 platform, including support for the AB8500-codec. Signed-off-by: Ola Lilja <ola.o.lilja@stericsson.com> Acked-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Ola Lilja
Mark Brown
Родитель
62ae68fa5d
Коммит
e0690385a8
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@ -19,3 +19,14 @@ config SND_SOC_UX500_PLAT_DMA
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select SND_SOC_DMAENGINE_PCM
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help
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Say Y if you want to enable the Ux500 platform-driver.
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+config SND_SOC_UX500_MACH_MOP500
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+ tristate "Machine - MOP500 (Ux500 + AB8500)"
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depends on AB8500_CORE && AB8500_GPADC && SND_SOC_UX500
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select SND_SOC_AB8500_CODEC
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select SND_SOC_UX500_PLAT_MSP_I2S
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select SND_SOC_UX500_PLAT_DMA
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help
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Select this to enable the MOP500 machine-driver.
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This will enable platform-drivers for: Ux500
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This will enable codec-drivers for: AB8500
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@ -5,3 +5,6 @@ obj-$(CONFIG_SND_SOC_UX500_PLAT_MSP_I2S) += snd-soc-ux500-plat-msp-i2s.o
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snd-soc-ux500-plat-dma-objs := ux500_pcm.o
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obj-$(CONFIG_SND_SOC_UX500_PLAT_DMA) += snd-soc-ux500-plat-dma.o
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snd-soc-ux500-mach-mop500-objs := mop500.o mop500_ab8500.o
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obj-$(CONFIG_SND_SOC_UX500_MACH_MOP500) += snd-soc-ux500-mach-mop500.o
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@ -0,0 +1,113 @@
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/*
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* Copyright (C) ST-Ericsson SA 2012
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*
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* Author: Ola Lilja (ola.o.lilja@stericsson.com)
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* for ST-Ericsson.
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*
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* License terms:
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#include <asm/mach-types.h>
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#include <linux/module.h>
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#include <linux/io.h>
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#include <linux/spi/spi.h>
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#include <sound/soc.h>
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#include <sound/initval.h>
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#include "ux500_pcm.h"
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#include "ux500_msp_dai.h"
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#include <mop500_ab8500.h>
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/* Define the whole MOP500 soundcard, linking platform to the codec-drivers */
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struct snd_soc_dai_link mop500_dai_links[] = {
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{
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.name = "ab8500_0",
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.stream_name = "ab8500_0",
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.cpu_dai_name = "ux500-msp-i2s.1",
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.codec_dai_name = "ab8500-codec-dai.0",
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.platform_name = "ux500-pcm.0",
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.codec_name = "ab8500-codec.0",
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.init = mop500_ab8500_machine_init,
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.ops = mop500_ab8500_ops,
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},
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{
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.name = "ab8500_1",
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.stream_name = "ab8500_1",
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.cpu_dai_name = "ux500-msp-i2s.3",
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.codec_dai_name = "ab8500-codec-dai.1",
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.platform_name = "ux500-pcm.0",
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.codec_name = "ab8500-codec.0",
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.init = NULL,
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.ops = mop500_ab8500_ops,
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},
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};
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static struct snd_soc_card mop500_card = {
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.name = "MOP500-card",
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.probe = NULL,
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.dai_link = mop500_dai_links,
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.num_links = ARRAY_SIZE(mop500_dai_links),
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};
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static int __devinit mop500_probe(struct platform_device *pdev)
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{
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int ret;
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pr_debug("%s: Enter.\n", __func__);
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dev_dbg(&pdev->dev, "%s: Enter.\n", __func__);
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mop500_card.dev = &pdev->dev;
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dev_dbg(&pdev->dev, "%s: Card %s: Set platform drvdata.\n",
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__func__, mop500_card.name);
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platform_set_drvdata(pdev, &mop500_card);
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snd_soc_card_set_drvdata(&mop500_card, NULL);
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dev_dbg(&pdev->dev, "%s: Card %s: num_links = %d\n",
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__func__, mop500_card.name, mop500_card.num_links);
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dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: name = %s\n",
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__func__, mop500_card.name, mop500_card.dai_link[0].name);
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dev_dbg(&pdev->dev, "%s: Card %s: DAI-link 0: stream_name = %s\n",
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__func__, mop500_card.name,
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mop500_card.dai_link[0].stream_name);
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ret = snd_soc_register_card(&mop500_card);
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if (ret)
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dev_err(&pdev->dev,
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"Error: snd_soc_register_card failed (%d)!\n",
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ret);
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return ret;
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}
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static int __devexit mop500_remove(struct platform_device *pdev)
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{
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struct snd_soc_card *mop500_card = platform_get_drvdata(pdev);
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pr_debug("%s: Enter.\n", __func__);
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snd_soc_unregister_card(mop500_card);
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mop500_ab8500_remove(mop500_card);
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return 0;
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}
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static struct platform_driver snd_soc_mop500_driver = {
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.driver = {
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.owner = THIS_MODULE,
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.name = "snd-soc-mop500",
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},
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.probe = mop500_probe,
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.remove = __devexit_p(mop500_remove),
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};
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module_platform_driver(snd_soc_mop500_driver);
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@ -0,0 +1,431 @@
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/*
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* Copyright (C) ST-Ericsson SA 2012
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*
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* Author: Ola Lilja <ola.o.lilja@stericsson.com>,
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* Kristoffer Karlsson <kristoffer.karlsson@stericsson.com>
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* for ST-Ericsson.
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*
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* License terms:
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#include <linux/module.h>
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#include <linux/device.h>
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#include <linux/io.h>
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#include <linux/clk.h>
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#include <mach/hardware.h>
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#include <sound/soc.h>
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#include <sound/soc-dapm.h>
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#include <sound/pcm.h>
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#include <sound/pcm_params.h>
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#include "ux500_pcm.h"
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#include "ux500_msp_dai.h"
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#include "../codecs/ab8500-codec.h"
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#define TX_SLOT_MONO 0x0008
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#define TX_SLOT_STEREO 0x000a
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#define RX_SLOT_MONO 0x0001
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#define RX_SLOT_STEREO 0x0003
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#define TX_SLOT_8CH 0x00FF
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#define RX_SLOT_8CH 0x00FF
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#define DEF_TX_SLOTS TX_SLOT_STEREO
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#define DEF_RX_SLOTS RX_SLOT_MONO
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#define DRIVERMODE_NORMAL 0
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#define DRIVERMODE_CODEC_ONLY 1
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/* Slot configuration */
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static unsigned int tx_slots = DEF_TX_SLOTS;
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static unsigned int rx_slots = DEF_RX_SLOTS;
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/* Clocks */
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static const char * const enum_mclk[] = {
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"SYSCLK",
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"ULPCLK"
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};
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enum mclk {
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MCLK_SYSCLK,
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MCLK_ULPCLK,
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};
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static SOC_ENUM_SINGLE_EXT_DECL(soc_enum_mclk, enum_mclk);
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/* Private data for machine-part MOP500<->AB8500 */
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struct mop500_ab8500_drvdata {
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/* Clocks */
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enum mclk mclk_sel;
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struct clk *clk_ptr_intclk;
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struct clk *clk_ptr_sysclk;
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struct clk *clk_ptr_ulpclk;
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};
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static inline const char *get_mclk_str(enum mclk mclk_sel)
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{
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switch (mclk_sel) {
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case MCLK_SYSCLK:
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return "SYSCLK";
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case MCLK_ULPCLK:
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return "ULPCLK";
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default:
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return "Unknown";
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}
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}
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static int mop500_ab8500_set_mclk(struct device *dev,
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struct mop500_ab8500_drvdata *drvdata)
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{
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int status;
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struct clk *clk_ptr;
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if (IS_ERR(drvdata->clk_ptr_intclk)) {
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dev_err(dev,
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"%s: ERROR: intclk not initialized!\n", __func__);
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return -EIO;
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}
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switch (drvdata->mclk_sel) {
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case MCLK_SYSCLK:
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clk_ptr = drvdata->clk_ptr_sysclk;
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break;
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case MCLK_ULPCLK:
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clk_ptr = drvdata->clk_ptr_ulpclk;
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break;
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default:
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return -EINVAL;
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}
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if (IS_ERR(clk_ptr)) {
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dev_err(dev, "%s: ERROR: %s not initialized!\n", __func__,
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get_mclk_str(drvdata->mclk_sel));
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return -EIO;
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}
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status = clk_set_parent(drvdata->clk_ptr_intclk, clk_ptr);
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if (status)
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dev_err(dev,
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"%s: ERROR: Setting intclk parent to %s failed (ret = %d)!",
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__func__, get_mclk_str(drvdata->mclk_sel), status);
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else
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dev_dbg(dev,
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"%s: intclk parent changed to %s.\n",
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__func__, get_mclk_str(drvdata->mclk_sel));
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return status;
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}
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/*
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* Control-events
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*/
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static int mclk_input_control_get(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
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struct mop500_ab8500_drvdata *drvdata =
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snd_soc_card_get_drvdata(codec->card);
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ucontrol->value.enumerated.item[0] = drvdata->mclk_sel;
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return 0;
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}
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static int mclk_input_control_put(struct snd_kcontrol *kcontrol,
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struct snd_ctl_elem_value *ucontrol)
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{
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struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
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struct mop500_ab8500_drvdata *drvdata =
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snd_soc_card_get_drvdata(codec->card);
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unsigned int val = ucontrol->value.enumerated.item[0];
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if (val > (unsigned int)MCLK_ULPCLK)
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return -EINVAL;
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if (drvdata->mclk_sel == val)
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return 0;
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drvdata->mclk_sel = val;
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return 1;
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}
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/*
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* Controls
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*/
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static struct snd_kcontrol_new mop500_ab8500_ctrls[] = {
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SOC_ENUM_EXT("Master Clock Select",
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soc_enum_mclk,
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mclk_input_control_get, mclk_input_control_put),
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/* Digital interface - Clocks */
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SOC_SINGLE("Digital Interface Master Generator Switch",
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AB8500_DIGIFCONF1, AB8500_DIGIFCONF1_ENMASTGEN,
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1, 0),
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SOC_SINGLE("Digital Interface 0 Bit-clock Switch",
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AB8500_DIGIFCONF1, AB8500_DIGIFCONF1_ENFSBITCLK0,
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1, 0),
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SOC_SINGLE("Digital Interface 1 Bit-clock Switch",
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AB8500_DIGIFCONF1, AB8500_DIGIFCONF1_ENFSBITCLK1,
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1, 0),
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SOC_DAPM_PIN_SWITCH("Headset Left"),
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SOC_DAPM_PIN_SWITCH("Headset Right"),
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SOC_DAPM_PIN_SWITCH("Earpiece"),
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SOC_DAPM_PIN_SWITCH("Speaker Left"),
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SOC_DAPM_PIN_SWITCH("Speaker Right"),
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SOC_DAPM_PIN_SWITCH("LineOut Left"),
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SOC_DAPM_PIN_SWITCH("LineOut Right"),
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SOC_DAPM_PIN_SWITCH("Vibra 1"),
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SOC_DAPM_PIN_SWITCH("Vibra 2"),
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SOC_DAPM_PIN_SWITCH("Mic 1"),
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SOC_DAPM_PIN_SWITCH("Mic 2"),
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SOC_DAPM_PIN_SWITCH("LineIn Left"),
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SOC_DAPM_PIN_SWITCH("LineIn Right"),
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SOC_DAPM_PIN_SWITCH("DMic 1"),
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SOC_DAPM_PIN_SWITCH("DMic 2"),
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SOC_DAPM_PIN_SWITCH("DMic 3"),
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SOC_DAPM_PIN_SWITCH("DMic 4"),
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SOC_DAPM_PIN_SWITCH("DMic 5"),
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SOC_DAPM_PIN_SWITCH("DMic 6"),
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};
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/* ASoC */
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int mop500_ab8500_startup(struct snd_pcm_substream *substream)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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/* Set audio-clock source */
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return mop500_ab8500_set_mclk(rtd->card->dev,
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snd_soc_card_get_drvdata(rtd->card));
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}
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void mop500_ab8500_shutdown(struct snd_pcm_substream *substream)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct device *dev = rtd->card->dev;
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dev_dbg(dev, "%s: Enter\n", __func__);
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/* Reset slots configuration to default(s) */
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if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
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tx_slots = DEF_TX_SLOTS;
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else
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rx_slots = DEF_RX_SLOTS;
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}
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int mop500_ab8500_hw_params(struct snd_pcm_substream *substream,
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struct snd_pcm_hw_params *params)
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{
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struct snd_soc_pcm_runtime *rtd = substream->private_data;
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struct snd_soc_dai *codec_dai = rtd->codec_dai;
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struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
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struct device *dev = rtd->card->dev;
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unsigned int fmt;
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int channels, ret = 0, driver_mode, slots;
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unsigned int sw_codec, sw_cpu;
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bool is_playback;
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dev_dbg(dev, "%s: Enter\n", __func__);
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dev_dbg(dev, "%s: substream->pcm->name = %s\n"
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"substream->pcm->id = %s.\n"
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"substream->name = %s.\n"
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"substream->number = %d.\n",
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__func__,
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substream->pcm->name,
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substream->pcm->id,
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substream->name,
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substream->number);
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channels = params_channels(params);
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switch (params_format(params)) {
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case SNDRV_PCM_FORMAT_S32_LE:
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sw_cpu = 32;
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break;
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case SNDRV_PCM_FORMAT_S16_LE:
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sw_cpu = 16;
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break;
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default:
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return -EINVAL;
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}
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/* Setup codec depending on driver-mode */
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if (channels == 8)
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driver_mode = DRIVERMODE_CODEC_ONLY;
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else
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driver_mode = DRIVERMODE_NORMAL;
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dev_dbg(dev, "%s: Driver-mode: %s.\n", __func__,
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(driver_mode == DRIVERMODE_NORMAL) ? "NORMAL" : "CODEC_ONLY");
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/* Setup format */
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if (driver_mode == DRIVERMODE_NORMAL) {
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fmt = SND_SOC_DAIFMT_DSP_A |
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SND_SOC_DAIFMT_CBM_CFM |
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SND_SOC_DAIFMT_NB_NF |
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SND_SOC_DAIFMT_CONT;
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} else {
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fmt = SND_SOC_DAIFMT_DSP_A |
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SND_SOC_DAIFMT_CBM_CFM |
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SND_SOC_DAIFMT_NB_NF |
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SND_SOC_DAIFMT_GATED;
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}
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ret = snd_soc_dai_set_fmt(codec_dai, fmt);
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if (ret < 0) {
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dev_err(dev,
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"%s: ERROR: snd_soc_dai_set_fmt failed for codec_dai (ret = %d)!\n",
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__func__, ret);
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return ret;
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}
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ret = snd_soc_dai_set_fmt(cpu_dai, fmt);
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if (ret < 0) {
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dev_err(dev,
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"%s: ERROR: snd_soc_dai_set_fmt failed for cpu_dai (ret = %d)!\n",
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__func__, ret);
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return ret;
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}
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/* Setup TDM-slots */
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is_playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK);
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switch (channels) {
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case 1:
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slots = 16;
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tx_slots = (is_playback) ? TX_SLOT_MONO : 0;
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rx_slots = (is_playback) ? 0 : RX_SLOT_MONO;
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break;
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case 2:
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slots = 16;
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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;
|
||||
}
|
||||
|
||||
struct snd_soc_ops mop500_ab8500_ops[] = {
|
||||
{
|
||||
.hw_params = mop500_ab8500_hw_params,
|
||||
.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_codec_controls(codec, 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);
|
||||
}
|
||||
|
|
@ -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
|
||||
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