diff options
Diffstat (limited to 'ANDROID_3.4.5/sound/soc/davinci')
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/davinci/Kconfig | 85 | ||||
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/davinci/Makefile | 20 | ||||
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/davinci/davinci-evm.c | 339 | ||||
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/davinci/davinci-i2s.c | 768 | ||||
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/davinci/davinci-i2s.h | 20 | ||||
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/davinci/davinci-mcasp.c | 983 | ||||
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/davinci/davinci-mcasp.h | 59 | ||||
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/davinci/davinci-pcm.c | 892 | ||||
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/davinci/davinci-pcm.h | 31 | ||||
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/davinci/davinci-sffsdr.c | 181 | ||||
| -rw-r--r-- | ANDROID_3.4.5/sound/soc/davinci/davinci-vcif.c | 266 |
11 files changed, 0 insertions, 3644 deletions
diff --git a/ANDROID_3.4.5/sound/soc/davinci/Kconfig b/ANDROID_3.4.5/sound/soc/davinci/Kconfig deleted file mode 100644 index 9e11a14d..00000000 --- a/ANDROID_3.4.5/sound/soc/davinci/Kconfig +++ /dev/null @@ -1,85 +0,0 @@ -config SND_DAVINCI_SOC - tristate "SoC Audio for the TI DAVINCI chip" - depends on ARCH_DAVINCI - help - Say Y or M if you want to add support for codecs attached to - the DAVINCI AC97 or I2S interface. You will also need - to select the audio interfaces to support below. - -config SND_DAVINCI_SOC_I2S - tristate - -config SND_DAVINCI_SOC_MCASP - tristate - -config SND_DAVINCI_SOC_VCIF - tristate - -config SND_DAVINCI_SOC_EVM - tristate "SoC Audio support for DaVinci DM6446, DM355 or DM365 EVM" - depends on SND_DAVINCI_SOC - depends on MACH_DAVINCI_EVM || MACH_DAVINCI_DM355_EVM || MACH_DAVINCI_DM365_EVM - select SND_DAVINCI_SOC_I2S - select SND_SOC_TLV320AIC3X - help - Say Y if you want to add support for SoC audio on TI - DaVinci DM6446, DM355 or DM365 EVM platforms. - -choice - prompt "DM365 codec select" - depends on SND_DAVINCI_SOC_EVM - depends on MACH_DAVINCI_DM365_EVM - -config SND_DM365_AIC3X_CODEC - bool "Audio Codec - AIC3101" - help - Say Y if you want to add support for AIC3101 audio codec - -config SND_DM365_VOICE_CODEC - bool "Voice Codec - CQ93VC" - select MFD_DAVINCI_VOICECODEC - select SND_DAVINCI_SOC_VCIF - select SND_SOC_CQ0093VC - help - Say Y if you want to add support for SoC On-chip voice codec -endchoice - -config SND_DM6467_SOC_EVM - tristate "SoC Audio support for DaVinci DM6467 EVM" - depends on SND_DAVINCI_SOC && MACH_DAVINCI_DM6467_EVM - select SND_DAVINCI_SOC_MCASP - select SND_SOC_TLV320AIC3X - select SND_SOC_SPDIF - - help - Say Y if you want to add support for SoC audio on TI - -config SND_DAVINCI_SOC_SFFSDR - tristate "SoC Audio support for SFFSDR" - depends on SND_DAVINCI_SOC && MACH_SFFSDR - select SND_DAVINCI_SOC_I2S - select SND_SOC_PCM3008 - select SFFSDR_FPGA - help - Say Y if you want to add support for SoC audio on - Lyrtech SFFSDR board. - -config SND_DA830_SOC_EVM - tristate "SoC Audio support for DA830/OMAP-L137 EVM" - depends on SND_DAVINCI_SOC && MACH_DAVINCI_DA830_EVM - select SND_DAVINCI_SOC_MCASP - select SND_SOC_TLV320AIC3X - - help - Say Y if you want to add support for SoC audio on TI - DA830/OMAP-L137 EVM - -config SND_DA850_SOC_EVM - tristate "SoC Audio support for DA850/OMAP-L138 EVM" - depends on SND_DAVINCI_SOC && MACH_DAVINCI_DA850_EVM - select SND_DAVINCI_SOC_MCASP - select SND_SOC_TLV320AIC3X - help - Say Y if you want to add support for SoC audio on TI - DA850/OMAP-L138 EVM - diff --git a/ANDROID_3.4.5/sound/soc/davinci/Makefile b/ANDROID_3.4.5/sound/soc/davinci/Makefile deleted file mode 100644 index a93679d6..00000000 --- a/ANDROID_3.4.5/sound/soc/davinci/Makefile +++ /dev/null @@ -1,20 +0,0 @@ -# DAVINCI Platform Support -snd-soc-davinci-objs := davinci-pcm.o -snd-soc-davinci-i2s-objs := davinci-i2s.o -snd-soc-davinci-mcasp-objs:= davinci-mcasp.o -snd-soc-davinci-vcif-objs:= davinci-vcif.o - -obj-$(CONFIG_SND_DAVINCI_SOC) += snd-soc-davinci.o -obj-$(CONFIG_SND_DAVINCI_SOC_I2S) += snd-soc-davinci-i2s.o -obj-$(CONFIG_SND_DAVINCI_SOC_MCASP) += snd-soc-davinci-mcasp.o -obj-$(CONFIG_SND_DAVINCI_SOC_VCIF) += snd-soc-davinci-vcif.o - -# DAVINCI Machine Support -snd-soc-evm-objs := davinci-evm.o -snd-soc-sffsdr-objs := davinci-sffsdr.o - -obj-$(CONFIG_SND_DAVINCI_SOC_EVM) += snd-soc-evm.o -obj-$(CONFIG_SND_DM6467_SOC_EVM) += snd-soc-evm.o -obj-$(CONFIG_SND_DA830_SOC_EVM) += snd-soc-evm.o -obj-$(CONFIG_SND_DA850_SOC_EVM) += snd-soc-evm.o -obj-$(CONFIG_SND_DAVINCI_SOC_SFFSDR) += snd-soc-sffsdr.o diff --git a/ANDROID_3.4.5/sound/soc/davinci/davinci-evm.c b/ANDROID_3.4.5/sound/soc/davinci/davinci-evm.c deleted file mode 100644 index 10a2d8c7..00000000 --- a/ANDROID_3.4.5/sound/soc/davinci/davinci-evm.c +++ /dev/null @@ -1,339 +0,0 @@ -/* - * ASoC driver for TI DAVINCI EVM platform - * - * Author: Vladimir Barinov, <vbarinov@embeddedalley.com> - * Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.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. - */ - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/timer.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <linux/i2c.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/soc.h> - -#include <asm/dma.h> -#include <asm/mach-types.h> - -#include <mach/asp.h> -#include <mach/edma.h> -#include <mach/mux.h> - -#include "davinci-pcm.h" -#include "davinci-i2s.h" -#include "davinci-mcasp.h" - -#define AUDIO_FORMAT (SND_SOC_DAIFMT_DSP_B | \ - SND_SOC_DAIFMT_CBM_CFM | SND_SOC_DAIFMT_IB_NF) -static int evm_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; - int ret = 0; - unsigned sysclk; - - /* ASP1 on DM355 EVM is clocked by an external oscillator */ - if (machine_is_davinci_dm355_evm() || machine_is_davinci_dm6467_evm() || - machine_is_davinci_dm365_evm()) - sysclk = 27000000; - - /* ASP0 in DM6446 EVM is clocked by U55, as configured by - * board-dm644x-evm.c using GPIOs from U18. There are six - * options; here we "know" we use a 48 KHz sample rate. - */ - else if (machine_is_davinci_evm()) - sysclk = 12288000; - - else if (machine_is_davinci_da830_evm() || - machine_is_davinci_da850_evm()) - sysclk = 24576000; - - else - return -EINVAL; - - /* set codec DAI configuration */ - ret = snd_soc_dai_set_fmt(codec_dai, AUDIO_FORMAT); - if (ret < 0) - return ret; - - /* set cpu DAI configuration */ - ret = snd_soc_dai_set_fmt(cpu_dai, AUDIO_FORMAT); - if (ret < 0) - return ret; - - /* set the codec system clock */ - ret = snd_soc_dai_set_sysclk(codec_dai, 0, sysclk, SND_SOC_CLOCK_OUT); - if (ret < 0) - return ret; - - return 0; -} - -static int evm_spdif_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 *cpu_dai = rtd->cpu_dai; - - /* set cpu DAI configuration */ - return snd_soc_dai_set_fmt(cpu_dai, AUDIO_FORMAT); -} - -static struct snd_soc_ops evm_ops = { - .hw_params = evm_hw_params, -}; - -static struct snd_soc_ops evm_spdif_ops = { - .hw_params = evm_spdif_hw_params, -}; - -/* davinci-evm machine dapm widgets */ -static const struct snd_soc_dapm_widget aic3x_dapm_widgets[] = { - SND_SOC_DAPM_HP("Headphone Jack", NULL), - SND_SOC_DAPM_LINE("Line Out", NULL), - SND_SOC_DAPM_MIC("Mic Jack", NULL), - SND_SOC_DAPM_LINE("Line In", NULL), -}; - -/* davinci-evm machine audio_mapnections to the codec pins */ -static const struct snd_soc_dapm_route audio_map[] = { - /* Headphone connected to HPLOUT, HPROUT */ - {"Headphone Jack", NULL, "HPLOUT"}, - {"Headphone Jack", NULL, "HPROUT"}, - - /* Line Out connected to LLOUT, RLOUT */ - {"Line Out", NULL, "LLOUT"}, - {"Line Out", NULL, "RLOUT"}, - - /* Mic connected to (MIC3L | MIC3R) */ - {"MIC3L", NULL, "Mic Bias 2V"}, - {"MIC3R", NULL, "Mic Bias 2V"}, - {"Mic Bias 2V", NULL, "Mic Jack"}, - - /* Line In connected to (LINE1L | LINE2L), (LINE1R | LINE2R) */ - {"LINE1L", NULL, "Line In"}, - {"LINE2L", NULL, "Line In"}, - {"LINE1R", NULL, "Line In"}, - {"LINE2R", NULL, "Line In"}, -}; - -/* Logic for a aic3x as connected on a davinci-evm */ -static int evm_aic3x_init(struct snd_soc_pcm_runtime *rtd) -{ - struct snd_soc_codec *codec = rtd->codec; - struct snd_soc_dapm_context *dapm = &codec->dapm; - - /* Add davinci-evm specific widgets */ - snd_soc_dapm_new_controls(dapm, aic3x_dapm_widgets, - ARRAY_SIZE(aic3x_dapm_widgets)); - - /* Set up davinci-evm specific audio path audio_map */ - snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map)); - - /* not connected */ - snd_soc_dapm_disable_pin(dapm, "MONO_LOUT"); - snd_soc_dapm_disable_pin(dapm, "HPLCOM"); - snd_soc_dapm_disable_pin(dapm, "HPRCOM"); - - /* always connected */ - snd_soc_dapm_enable_pin(dapm, "Headphone Jack"); - snd_soc_dapm_enable_pin(dapm, "Line Out"); - snd_soc_dapm_enable_pin(dapm, "Mic Jack"); - snd_soc_dapm_enable_pin(dapm, "Line In"); - - return 0; -} - -/* davinci-evm digital audio interface glue - connects codec <--> CPU */ -static struct snd_soc_dai_link dm6446_evm_dai = { - .name = "TLV320AIC3X", - .stream_name = "AIC3X", - .cpu_dai_name = "davinci-mcbsp", - .codec_dai_name = "tlv320aic3x-hifi", - .codec_name = "tlv320aic3x-codec.1-001b", - .platform_name = "davinci-pcm-audio", - .init = evm_aic3x_init, - .ops = &evm_ops, -}; - -static struct snd_soc_dai_link dm355_evm_dai = { - .name = "TLV320AIC3X", - .stream_name = "AIC3X", - .cpu_dai_name = "davinci-mcbsp.1", - .codec_dai_name = "tlv320aic3x-hifi", - .codec_name = "tlv320aic3x-codec.1-001b", - .platform_name = "davinci-pcm-audio", - .init = evm_aic3x_init, - .ops = &evm_ops, -}; - -static struct snd_soc_dai_link dm365_evm_dai = { -#ifdef CONFIG_SND_DM365_AIC3X_CODEC - .name = "TLV320AIC3X", - .stream_name = "AIC3X", - .cpu_dai_name = "davinci-mcbsp", - .codec_dai_name = "tlv320aic3x-hifi", - .init = evm_aic3x_init, - .codec_name = "tlv320aic3x-codec.1-0018", - .ops = &evm_ops, -#elif defined(CONFIG_SND_DM365_VOICE_CODEC) - .name = "Voice Codec - CQ93VC", - .stream_name = "CQ93", - .cpu_dai_name = "davinci-vcif", - .codec_dai_name = "cq93vc-hifi", - .codec_name = "cq93vc-codec", -#endif - .platform_name = "davinci-pcm-audio", -}; - -static struct snd_soc_dai_link dm6467_evm_dai[] = { - { - .name = "TLV320AIC3X", - .stream_name = "AIC3X", - .cpu_dai_name= "davinci-mcasp.0", - .codec_dai_name = "tlv320aic3x-hifi", - .platform_name ="davinci-pcm-audio", - .codec_name = "tlv320aic3x-codec.0-001a", - .init = evm_aic3x_init, - .ops = &evm_ops, - }, - { - .name = "McASP", - .stream_name = "spdif", - .cpu_dai_name= "davinci-mcasp.1", - .codec_dai_name = "dit-hifi", - .codec_name = "spdif_dit", - .platform_name = "davinci-pcm-audio", - .ops = &evm_spdif_ops, - }, -}; - -static struct snd_soc_dai_link da830_evm_dai = { - .name = "TLV320AIC3X", - .stream_name = "AIC3X", - .cpu_dai_name = "davinci-mcasp.1", - .codec_dai_name = "tlv320aic3x-hifi", - .codec_name = "tlv320aic3x-codec.1-0018", - .platform_name = "davinci-pcm-audio", - .init = evm_aic3x_init, - .ops = &evm_ops, -}; - -static struct snd_soc_dai_link da850_evm_dai = { - .name = "TLV320AIC3X", - .stream_name = "AIC3X", - .cpu_dai_name= "davinci-mcasp.0", - .codec_dai_name = "tlv320aic3x-hifi", - .codec_name = "tlv320aic3x-codec.1-0018", - .platform_name = "davinci-pcm-audio", - .init = evm_aic3x_init, - .ops = &evm_ops, -}; - -/* davinci dm6446 evm audio machine driver */ -static struct snd_soc_card dm6446_snd_soc_card_evm = { - .name = "DaVinci DM6446 EVM", - .owner = THIS_MODULE, - .dai_link = &dm6446_evm_dai, - .num_links = 1, -}; - -/* davinci dm355 evm audio machine driver */ -static struct snd_soc_card dm355_snd_soc_card_evm = { - .name = "DaVinci DM355 EVM", - .owner = THIS_MODULE, - .dai_link = &dm355_evm_dai, - .num_links = 1, -}; - -/* davinci dm365 evm audio machine driver */ -static struct snd_soc_card dm365_snd_soc_card_evm = { - .name = "DaVinci DM365 EVM", - .owner = THIS_MODULE, - .dai_link = &dm365_evm_dai, - .num_links = 1, -}; - -/* davinci dm6467 evm audio machine driver */ -static struct snd_soc_card dm6467_snd_soc_card_evm = { - .name = "DaVinci DM6467 EVM", - .owner = THIS_MODULE, - .dai_link = dm6467_evm_dai, - .num_links = ARRAY_SIZE(dm6467_evm_dai), -}; - -static struct snd_soc_card da830_snd_soc_card = { - .name = "DA830/OMAP-L137 EVM", - .owner = THIS_MODULE, - .dai_link = &da830_evm_dai, - .num_links = 1, -}; - -static struct snd_soc_card da850_snd_soc_card = { - .name = "DA850/OMAP-L138 EVM", - .owner = THIS_MODULE, - .dai_link = &da850_evm_dai, - .num_links = 1, -}; - -static struct platform_device *evm_snd_device; - -static int __init evm_init(void) -{ - struct snd_soc_card *evm_snd_dev_data; - int index; - int ret; - - if (machine_is_davinci_evm()) { - evm_snd_dev_data = &dm6446_snd_soc_card_evm; - index = 0; - } else if (machine_is_davinci_dm355_evm()) { - evm_snd_dev_data = &dm355_snd_soc_card_evm; - index = 1; - } else if (machine_is_davinci_dm365_evm()) { - evm_snd_dev_data = &dm365_snd_soc_card_evm; - index = 0; - } else if (machine_is_davinci_dm6467_evm()) { - evm_snd_dev_data = &dm6467_snd_soc_card_evm; - index = 0; - } else if (machine_is_davinci_da830_evm()) { - evm_snd_dev_data = &da830_snd_soc_card; - index = 1; - } else if (machine_is_davinci_da850_evm()) { - evm_snd_dev_data = &da850_snd_soc_card; - index = 0; - } else - return -EINVAL; - - evm_snd_device = platform_device_alloc("soc-audio", index); - if (!evm_snd_device) - return -ENOMEM; - - platform_set_drvdata(evm_snd_device, evm_snd_dev_data); - ret = platform_device_add(evm_snd_device); - if (ret) - platform_device_put(evm_snd_device); - - return ret; -} - -static void __exit evm_exit(void) -{ - platform_device_unregister(evm_snd_device); -} - -module_init(evm_init); -module_exit(evm_exit); - -MODULE_AUTHOR("Vladimir Barinov"); -MODULE_DESCRIPTION("TI DAVINCI EVM ASoC driver"); -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/sound/soc/davinci/davinci-i2s.c b/ANDROID_3.4.5/sound/soc/davinci/davinci-i2s.c deleted file mode 100644 index 0a74b958..00000000 --- a/ANDROID_3.4.5/sound/soc/davinci/davinci-i2s.c +++ /dev/null @@ -1,768 +0,0 @@ -/* - * ALSA SoC I2S (McBSP) Audio Layer for TI DAVINCI processor - * - * Author: Vladimir Barinov, <vbarinov@embeddedalley.com> - * Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.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. - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/device.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/io.h> -#include <linux/clk.h> - -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/initval.h> -#include <sound/soc.h> - -#include <mach/asp.h> - -#include "davinci-pcm.h" -#include "davinci-i2s.h" - - -/* - * NOTE: terminology here is confusing. - * - * - This driver supports the "Audio Serial Port" (ASP), - * found on dm6446, dm355, and other DaVinci chips. - * - * - But it labels it a "Multi-channel Buffered Serial Port" - * (McBSP) as on older chips like the dm642 ... which was - * backward-compatible, possibly explaining that confusion. - * - * - OMAP chips have a controller called McBSP, which is - * incompatible with the DaVinci flavor of McBSP. - * - * - Newer DaVinci chips have a controller called McASP, - * incompatible with ASP and with either McBSP. - * - * In short: this uses ASP to implement I2S, not McBSP. - * And it won't be the only DaVinci implemention of I2S. - */ -#define DAVINCI_MCBSP_DRR_REG 0x00 -#define DAVINCI_MCBSP_DXR_REG 0x04 -#define DAVINCI_MCBSP_SPCR_REG 0x08 -#define DAVINCI_MCBSP_RCR_REG 0x0c -#define DAVINCI_MCBSP_XCR_REG 0x10 -#define DAVINCI_MCBSP_SRGR_REG 0x14 -#define DAVINCI_MCBSP_PCR_REG 0x24 - -#define DAVINCI_MCBSP_SPCR_RRST (1 << 0) -#define DAVINCI_MCBSP_SPCR_RINTM(v) ((v) << 4) -#define DAVINCI_MCBSP_SPCR_XRST (1 << 16) -#define DAVINCI_MCBSP_SPCR_XINTM(v) ((v) << 20) -#define DAVINCI_MCBSP_SPCR_GRST (1 << 22) -#define DAVINCI_MCBSP_SPCR_FRST (1 << 23) -#define DAVINCI_MCBSP_SPCR_FREE (1 << 25) - -#define DAVINCI_MCBSP_RCR_RWDLEN1(v) ((v) << 5) -#define DAVINCI_MCBSP_RCR_RFRLEN1(v) ((v) << 8) -#define DAVINCI_MCBSP_RCR_RDATDLY(v) ((v) << 16) -#define DAVINCI_MCBSP_RCR_RFIG (1 << 18) -#define DAVINCI_MCBSP_RCR_RWDLEN2(v) ((v) << 21) -#define DAVINCI_MCBSP_RCR_RFRLEN2(v) ((v) << 24) -#define DAVINCI_MCBSP_RCR_RPHASE BIT(31) - -#define DAVINCI_MCBSP_XCR_XWDLEN1(v) ((v) << 5) -#define DAVINCI_MCBSP_XCR_XFRLEN1(v) ((v) << 8) -#define DAVINCI_MCBSP_XCR_XDATDLY(v) ((v) << 16) -#define DAVINCI_MCBSP_XCR_XFIG (1 << 18) -#define DAVINCI_MCBSP_XCR_XWDLEN2(v) ((v) << 21) -#define DAVINCI_MCBSP_XCR_XFRLEN2(v) ((v) << 24) -#define DAVINCI_MCBSP_XCR_XPHASE BIT(31) - -#define DAVINCI_MCBSP_SRGR_FWID(v) ((v) << 8) -#define DAVINCI_MCBSP_SRGR_FPER(v) ((v) << 16) -#define DAVINCI_MCBSP_SRGR_FSGM (1 << 28) -#define DAVINCI_MCBSP_SRGR_CLKSM BIT(29) - -#define DAVINCI_MCBSP_PCR_CLKRP (1 << 0) -#define DAVINCI_MCBSP_PCR_CLKXP (1 << 1) -#define DAVINCI_MCBSP_PCR_FSRP (1 << 2) -#define DAVINCI_MCBSP_PCR_FSXP (1 << 3) -#define DAVINCI_MCBSP_PCR_SCLKME (1 << 7) -#define DAVINCI_MCBSP_PCR_CLKRM (1 << 8) -#define DAVINCI_MCBSP_PCR_CLKXM (1 << 9) -#define DAVINCI_MCBSP_PCR_FSRM (1 << 10) -#define DAVINCI_MCBSP_PCR_FSXM (1 << 11) - -enum { - DAVINCI_MCBSP_WORD_8 = 0, - DAVINCI_MCBSP_WORD_12, - DAVINCI_MCBSP_WORD_16, - DAVINCI_MCBSP_WORD_20, - DAVINCI_MCBSP_WORD_24, - DAVINCI_MCBSP_WORD_32, -}; - -static const unsigned char data_type[SNDRV_PCM_FORMAT_S32_LE + 1] = { - [SNDRV_PCM_FORMAT_S8] = 1, - [SNDRV_PCM_FORMAT_S16_LE] = 2, - [SNDRV_PCM_FORMAT_S32_LE] = 4, -}; - -static const unsigned char asp_word_length[SNDRV_PCM_FORMAT_S32_LE + 1] = { - [SNDRV_PCM_FORMAT_S8] = DAVINCI_MCBSP_WORD_8, - [SNDRV_PCM_FORMAT_S16_LE] = DAVINCI_MCBSP_WORD_16, - [SNDRV_PCM_FORMAT_S32_LE] = DAVINCI_MCBSP_WORD_32, -}; - -static const unsigned char double_fmt[SNDRV_PCM_FORMAT_S32_LE + 1] = { - [SNDRV_PCM_FORMAT_S8] = SNDRV_PCM_FORMAT_S16_LE, - [SNDRV_PCM_FORMAT_S16_LE] = SNDRV_PCM_FORMAT_S32_LE, -}; - -struct davinci_mcbsp_dev { - struct device *dev; - struct davinci_pcm_dma_params dma_params[2]; - void __iomem *base; -#define MOD_DSP_A 0 -#define MOD_DSP_B 1 - int mode; - u32 pcr; - struct clk *clk; - /* - * Combining both channels into 1 element will at least double the - * amount of time between servicing the dma channel, increase - * effiency, and reduce the chance of overrun/underrun. But, - * it will result in the left & right channels being swapped. - * - * If relabeling the left and right channels is not possible, - * you may want to let the codec know to swap them back. - * - * It may allow x10 the amount of time to service dma requests, - * if the codec is master and is using an unnecessarily fast bit clock - * (ie. tlvaic23b), independent of the sample rate. So, having an - * entire frame at once means it can be serviced at the sample rate - * instead of the bit clock rate. - * - * In the now unlikely case that an underrun still - * occurs, both the left and right samples will be repeated - * so that no pops are heard, and the left and right channels - * won't end up being swapped because of the underrun. - */ - unsigned enable_channel_combine:1; - - unsigned int fmt; - int clk_div; - int clk_input_pin; - bool i2s_accurate_sck; -}; - -static inline void davinci_mcbsp_write_reg(struct davinci_mcbsp_dev *dev, - int reg, u32 val) -{ - __raw_writel(val, dev->base + reg); -} - -static inline u32 davinci_mcbsp_read_reg(struct davinci_mcbsp_dev *dev, int reg) -{ - return __raw_readl(dev->base + reg); -} - -static void toggle_clock(struct davinci_mcbsp_dev *dev, int playback) -{ - u32 m = playback ? DAVINCI_MCBSP_PCR_CLKXP : DAVINCI_MCBSP_PCR_CLKRP; - /* The clock needs to toggle to complete reset. - * So, fake it by toggling the clk polarity. - */ - davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_PCR_REG, dev->pcr ^ m); - davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_PCR_REG, dev->pcr); -} - -static void davinci_mcbsp_start(struct davinci_mcbsp_dev *dev, - struct snd_pcm_substream *substream) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct snd_soc_platform *platform = rtd->platform; - int playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK); - u32 spcr; - u32 mask = playback ? DAVINCI_MCBSP_SPCR_XRST : DAVINCI_MCBSP_SPCR_RRST; - spcr = davinci_mcbsp_read_reg(dev, DAVINCI_MCBSP_SPCR_REG); - if (spcr & mask) { - /* start off disabled */ - davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_SPCR_REG, - spcr & ~mask); - toggle_clock(dev, playback); - } - if (dev->pcr & (DAVINCI_MCBSP_PCR_FSXM | DAVINCI_MCBSP_PCR_FSRM | - DAVINCI_MCBSP_PCR_CLKXM | DAVINCI_MCBSP_PCR_CLKRM)) { - /* Start the sample generator */ - spcr |= DAVINCI_MCBSP_SPCR_GRST; - davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_SPCR_REG, spcr); - } - - if (playback) { - /* Stop the DMA to avoid data loss */ - /* while the transmitter is out of reset to handle XSYNCERR */ - if (platform->driver->ops->trigger) { - int ret = platform->driver->ops->trigger(substream, - SNDRV_PCM_TRIGGER_STOP); - if (ret < 0) - printk(KERN_DEBUG "Playback DMA stop failed\n"); - } - - /* Enable the transmitter */ - spcr = davinci_mcbsp_read_reg(dev, DAVINCI_MCBSP_SPCR_REG); - spcr |= DAVINCI_MCBSP_SPCR_XRST; - davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_SPCR_REG, spcr); - - /* wait for any unexpected frame sync error to occur */ - udelay(100); - - /* Disable the transmitter to clear any outstanding XSYNCERR */ - spcr = davinci_mcbsp_read_reg(dev, DAVINCI_MCBSP_SPCR_REG); - spcr &= ~DAVINCI_MCBSP_SPCR_XRST; - davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_SPCR_REG, spcr); - toggle_clock(dev, playback); - - /* Restart the DMA */ - if (platform->driver->ops->trigger) { - int ret = platform->driver->ops->trigger(substream, - SNDRV_PCM_TRIGGER_START); - if (ret < 0) - printk(KERN_DEBUG "Playback DMA start failed\n"); - } - } - - /* Enable transmitter or receiver */ - spcr = davinci_mcbsp_read_reg(dev, DAVINCI_MCBSP_SPCR_REG); - spcr |= mask; - - if (dev->pcr & (DAVINCI_MCBSP_PCR_FSXM | DAVINCI_MCBSP_PCR_FSRM)) { - /* Start frame sync */ - spcr |= DAVINCI_MCBSP_SPCR_FRST; - } - davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_SPCR_REG, spcr); -} - -static void davinci_mcbsp_stop(struct davinci_mcbsp_dev *dev, int playback) -{ - u32 spcr; - - /* Reset transmitter/receiver and sample rate/frame sync generators */ - spcr = davinci_mcbsp_read_reg(dev, DAVINCI_MCBSP_SPCR_REG); - spcr &= ~(DAVINCI_MCBSP_SPCR_GRST | DAVINCI_MCBSP_SPCR_FRST); - spcr &= playback ? ~DAVINCI_MCBSP_SPCR_XRST : ~DAVINCI_MCBSP_SPCR_RRST; - davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_SPCR_REG, spcr); - toggle_clock(dev, playback); -} - -#define DEFAULT_BITPERSAMPLE 16 - -static int davinci_i2s_set_dai_fmt(struct snd_soc_dai *cpu_dai, - unsigned int fmt) -{ - struct davinci_mcbsp_dev *dev = snd_soc_dai_get_drvdata(cpu_dai); - unsigned int pcr; - unsigned int srgr; - bool inv_fs = false; - /* Attention srgr is updated by hw_params! */ - srgr = DAVINCI_MCBSP_SRGR_FSGM | - DAVINCI_MCBSP_SRGR_FPER(DEFAULT_BITPERSAMPLE * 2 - 1) | - DAVINCI_MCBSP_SRGR_FWID(DEFAULT_BITPERSAMPLE - 1); - - dev->fmt = fmt; - /* set master/slave audio interface */ - switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { - case SND_SOC_DAIFMT_CBS_CFS: - /* cpu is master */ - pcr = DAVINCI_MCBSP_PCR_FSXM | - DAVINCI_MCBSP_PCR_FSRM | - DAVINCI_MCBSP_PCR_CLKXM | - DAVINCI_MCBSP_PCR_CLKRM; - break; - case SND_SOC_DAIFMT_CBM_CFS: - pcr = DAVINCI_MCBSP_PCR_FSRM | DAVINCI_MCBSP_PCR_FSXM; - /* - * Selection of the clock input pin that is the - * input for the Sample Rate Generator. - * McBSP FSR and FSX are driven by the Sample Rate - * Generator. - */ - switch (dev->clk_input_pin) { - case MCBSP_CLKS: - pcr |= DAVINCI_MCBSP_PCR_CLKXM | - DAVINCI_MCBSP_PCR_CLKRM; - break; - case MCBSP_CLKR: - pcr |= DAVINCI_MCBSP_PCR_SCLKME; - break; - default: - dev_err(dev->dev, "bad clk_input_pin\n"); - return -EINVAL; - } - - break; - case SND_SOC_DAIFMT_CBM_CFM: - /* codec is master */ - pcr = 0; - break; - default: - printk(KERN_ERR "%s:bad master\n", __func__); - return -EINVAL; - } - - /* interface format */ - switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { - case SND_SOC_DAIFMT_I2S: - /* Davinci doesn't support TRUE I2S, but some codecs will have - * the left and right channels contiguous. This allows - * dsp_a mode to be used with an inverted normal frame clk. - * If your codec is master and does not have contiguous - * channels, then you will have sound on only one channel. - * Try using a different mode, or codec as slave. - * - * The TLV320AIC33 is an example of a codec where this works. - * It has a variable bit clock frequency allowing it to have - * valid data on every bit clock. - * - * The TLV320AIC23 is an example of a codec where this does not - * work. It has a fixed bit clock frequency with progressively - * more empty bit clock slots between channels as the sample - * rate is lowered. - */ - inv_fs = true; - case SND_SOC_DAIFMT_DSP_A: - dev->mode = MOD_DSP_A; - break; - case SND_SOC_DAIFMT_DSP_B: - dev->mode = MOD_DSP_B; - break; - default: - printk(KERN_ERR "%s:bad format\n", __func__); - return -EINVAL; - } - - switch (fmt & SND_SOC_DAIFMT_INV_MASK) { - case SND_SOC_DAIFMT_NB_NF: - /* CLKRP Receive clock polarity, - * 1 - sampled on rising edge of CLKR - * valid on rising edge - * CLKXP Transmit clock polarity, - * 1 - clocked on falling edge of CLKX - * valid on rising edge - * FSRP Receive frame sync pol, 0 - active high - * FSXP Transmit frame sync pol, 0 - active high - */ - pcr |= (DAVINCI_MCBSP_PCR_CLKXP | DAVINCI_MCBSP_PCR_CLKRP); - break; - case SND_SOC_DAIFMT_IB_IF: - /* CLKRP Receive clock polarity, - * 0 - sampled on falling edge of CLKR - * valid on falling edge - * CLKXP Transmit clock polarity, - * 0 - clocked on rising edge of CLKX - * valid on falling edge - * FSRP Receive frame sync pol, 1 - active low - * FSXP Transmit frame sync pol, 1 - active low - */ - pcr |= (DAVINCI_MCBSP_PCR_FSXP | DAVINCI_MCBSP_PCR_FSRP); - break; - case SND_SOC_DAIFMT_NB_IF: - /* CLKRP Receive clock polarity, - * 1 - sampled on rising edge of CLKR - * valid on rising edge - * CLKXP Transmit clock polarity, - * 1 - clocked on falling edge of CLKX - * valid on rising edge - * FSRP Receive frame sync pol, 1 - active low - * FSXP Transmit frame sync pol, 1 - active low - */ - pcr |= (DAVINCI_MCBSP_PCR_CLKXP | DAVINCI_MCBSP_PCR_CLKRP | - DAVINCI_MCBSP_PCR_FSXP | DAVINCI_MCBSP_PCR_FSRP); - break; - case SND_SOC_DAIFMT_IB_NF: - /* CLKRP Receive clock polarity, - * 0 - sampled on falling edge of CLKR - * valid on falling edge - * CLKXP Transmit clock polarity, - * 0 - clocked on rising edge of CLKX - * valid on falling edge - * FSRP Receive frame sync pol, 0 - active high - * FSXP Transmit frame sync pol, 0 - active high - */ - break; - default: - return -EINVAL; - } - if (inv_fs == true) - pcr ^= (DAVINCI_MCBSP_PCR_FSXP | DAVINCI_MCBSP_PCR_FSRP); - davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_SRGR_REG, srgr); - dev->pcr = pcr; - davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_PCR_REG, pcr); - return 0; -} - -static int davinci_i2s_dai_set_clkdiv(struct snd_soc_dai *cpu_dai, - int div_id, int div) -{ - struct davinci_mcbsp_dev *dev = snd_soc_dai_get_drvdata(cpu_dai); - - if (div_id != DAVINCI_MCBSP_CLKGDV) - return -ENODEV; - - dev->clk_div = div; - return 0; -} - -static int davinci_i2s_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params, - struct snd_soc_dai *dai) -{ - struct davinci_mcbsp_dev *dev = snd_soc_dai_get_drvdata(dai); - struct davinci_pcm_dma_params *dma_params = - &dev->dma_params[substream->stream]; - struct snd_interval *i = NULL; - int mcbsp_word_length, master; - unsigned int rcr, xcr, srgr, clk_div, freq, framesize; - u32 spcr; - snd_pcm_format_t fmt; - unsigned element_cnt = 1; - - /* general line settings */ - spcr = davinci_mcbsp_read_reg(dev, DAVINCI_MCBSP_SPCR_REG); - if (substream->stream == SNDRV_PCM_STREAM_CAPTURE) { - spcr |= DAVINCI_MCBSP_SPCR_RINTM(3) | DAVINCI_MCBSP_SPCR_FREE; - davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_SPCR_REG, spcr); - } else { - spcr |= DAVINCI_MCBSP_SPCR_XINTM(3) | DAVINCI_MCBSP_SPCR_FREE; - davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_SPCR_REG, spcr); - } - - master = dev->fmt & SND_SOC_DAIFMT_MASTER_MASK; - fmt = params_format(params); - mcbsp_word_length = asp_word_length[fmt]; - - switch (master) { - case SND_SOC_DAIFMT_CBS_CFS: - freq = clk_get_rate(dev->clk); - srgr = DAVINCI_MCBSP_SRGR_FSGM | - DAVINCI_MCBSP_SRGR_CLKSM; - srgr |= DAVINCI_MCBSP_SRGR_FWID(mcbsp_word_length * - 8 - 1); - if (dev->i2s_accurate_sck) { - clk_div = 256; - do { - framesize = (freq / (--clk_div)) / - params->rate_num * - params->rate_den; - } while (((framesize < 33) || (framesize > 4095)) && - (clk_div)); - clk_div--; - srgr |= DAVINCI_MCBSP_SRGR_FPER(framesize - 1); - } else { - /* symmetric waveforms */ - clk_div = freq / (mcbsp_word_length * 16) / - params->rate_num * params->rate_den; - srgr |= DAVINCI_MCBSP_SRGR_FPER(mcbsp_word_length * - 16 - 1); - } - clk_div &= 0xFF; - srgr |= clk_div; - break; - case SND_SOC_DAIFMT_CBM_CFS: - srgr = DAVINCI_MCBSP_SRGR_FSGM; - clk_div = dev->clk_div - 1; - srgr |= DAVINCI_MCBSP_SRGR_FWID(mcbsp_word_length * 8 - 1); - srgr |= DAVINCI_MCBSP_SRGR_FPER(mcbsp_word_length * 16 - 1); - clk_div &= 0xFF; - srgr |= clk_div; - break; - case SND_SOC_DAIFMT_CBM_CFM: - /* Clock and frame sync given from external sources */ - i = hw_param_interval(params, SNDRV_PCM_HW_PARAM_SAMPLE_BITS); - srgr = DAVINCI_MCBSP_SRGR_FSGM; - srgr |= DAVINCI_MCBSP_SRGR_FWID(snd_interval_value(i) - 1); - pr_debug("%s - %d FWID set: re-read srgr = %X\n", - __func__, __LINE__, snd_interval_value(i) - 1); - - i = hw_param_interval(params, SNDRV_PCM_HW_PARAM_FRAME_BITS); - srgr |= DAVINCI_MCBSP_SRGR_FPER(snd_interval_value(i) - 1); - break; - default: - return -EINVAL; - } - davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_SRGR_REG, srgr); - - rcr = DAVINCI_MCBSP_RCR_RFIG; - xcr = DAVINCI_MCBSP_XCR_XFIG; - if (dev->mode == MOD_DSP_B) { - rcr |= DAVINCI_MCBSP_RCR_RDATDLY(0); - xcr |= DAVINCI_MCBSP_XCR_XDATDLY(0); - } else { - rcr |= DAVINCI_MCBSP_RCR_RDATDLY(1); - xcr |= DAVINCI_MCBSP_XCR_XDATDLY(1); - } - /* Determine xfer data type */ - fmt = params_format(params); - if ((fmt > SNDRV_PCM_FORMAT_S32_LE) || !data_type[fmt]) { - printk(KERN_WARNING "davinci-i2s: unsupported PCM format\n"); - return -EINVAL; - } - - if (params_channels(params) == 2) { - element_cnt = 2; - if (double_fmt[fmt] && dev->enable_channel_combine) { - element_cnt = 1; - fmt = double_fmt[fmt]; - } - switch (master) { - case SND_SOC_DAIFMT_CBS_CFS: - case SND_SOC_DAIFMT_CBS_CFM: - rcr |= DAVINCI_MCBSP_RCR_RFRLEN2(0); - xcr |= DAVINCI_MCBSP_XCR_XFRLEN2(0); - rcr |= DAVINCI_MCBSP_RCR_RPHASE; - xcr |= DAVINCI_MCBSP_XCR_XPHASE; - break; - case SND_SOC_DAIFMT_CBM_CFM: - case SND_SOC_DAIFMT_CBM_CFS: - rcr |= DAVINCI_MCBSP_RCR_RFRLEN2(element_cnt - 1); - xcr |= DAVINCI_MCBSP_XCR_XFRLEN2(element_cnt - 1); - break; - default: - return -EINVAL; - } - } - dma_params->acnt = dma_params->data_type = data_type[fmt]; - dma_params->fifo_level = 0; - mcbsp_word_length = asp_word_length[fmt]; - - switch (master) { - case SND_SOC_DAIFMT_CBS_CFS: - case SND_SOC_DAIFMT_CBS_CFM: - rcr |= DAVINCI_MCBSP_RCR_RFRLEN1(0); - xcr |= DAVINCI_MCBSP_XCR_XFRLEN1(0); - break; - case SND_SOC_DAIFMT_CBM_CFM: - case SND_SOC_DAIFMT_CBM_CFS: - rcr |= DAVINCI_MCBSP_RCR_RFRLEN1(element_cnt - 1); - xcr |= DAVINCI_MCBSP_XCR_XFRLEN1(element_cnt - 1); - break; - default: - return -EINVAL; - } - - rcr |= DAVINCI_MCBSP_RCR_RWDLEN1(mcbsp_word_length) | - DAVINCI_MCBSP_RCR_RWDLEN2(mcbsp_word_length); - xcr |= DAVINCI_MCBSP_XCR_XWDLEN1(mcbsp_word_length) | - DAVINCI_MCBSP_XCR_XWDLEN2(mcbsp_word_length); - - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_XCR_REG, xcr); - else - davinci_mcbsp_write_reg(dev, DAVINCI_MCBSP_RCR_REG, rcr); - - pr_debug("%s - %d srgr=%X\n", __func__, __LINE__, srgr); - pr_debug("%s - %d xcr=%X\n", __func__, __LINE__, xcr); - pr_debug("%s - %d rcr=%X\n", __func__, __LINE__, rcr); - return 0; -} - -static int davinci_i2s_prepare(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct davinci_mcbsp_dev *dev = snd_soc_dai_get_drvdata(dai); - int playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK); - davinci_mcbsp_stop(dev, playback); - return 0; -} - -static int davinci_i2s_trigger(struct snd_pcm_substream *substream, int cmd, - struct snd_soc_dai *dai) -{ - struct davinci_mcbsp_dev *dev = snd_soc_dai_get_drvdata(dai); - int ret = 0; - int playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK); - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - case SNDRV_PCM_TRIGGER_RESUME: - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - davinci_mcbsp_start(dev, substream); - break; - case SNDRV_PCM_TRIGGER_STOP: - case SNDRV_PCM_TRIGGER_SUSPEND: - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - davinci_mcbsp_stop(dev, playback); - break; - default: - ret = -EINVAL; - } - return ret; -} - -static int davinci_i2s_startup(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct davinci_mcbsp_dev *dev = snd_soc_dai_get_drvdata(dai); - - snd_soc_dai_set_dma_data(dai, substream, dev->dma_params); - return 0; -} - -static void davinci_i2s_shutdown(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct davinci_mcbsp_dev *dev = snd_soc_dai_get_drvdata(dai); - int playback = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK); - davinci_mcbsp_stop(dev, playback); -} - -#define DAVINCI_I2S_RATES SNDRV_PCM_RATE_8000_96000 - -static const struct snd_soc_dai_ops davinci_i2s_dai_ops = { - .startup = davinci_i2s_startup, - .shutdown = davinci_i2s_shutdown, - .prepare = davinci_i2s_prepare, - .trigger = davinci_i2s_trigger, - .hw_params = davinci_i2s_hw_params, - .set_fmt = davinci_i2s_set_dai_fmt, - .set_clkdiv = davinci_i2s_dai_set_clkdiv, - -}; - -static struct snd_soc_dai_driver davinci_i2s_dai = { - .playback = { - .channels_min = 2, - .channels_max = 2, - .rates = DAVINCI_I2S_RATES, - .formats = SNDRV_PCM_FMTBIT_S16_LE,}, - .capture = { - .channels_min = 2, - .channels_max = 2, - .rates = DAVINCI_I2S_RATES, - .formats = SNDRV_PCM_FMTBIT_S16_LE,}, - .ops = &davinci_i2s_dai_ops, - -}; - -static int davinci_i2s_probe(struct platform_device *pdev) -{ - struct snd_platform_data *pdata = pdev->dev.platform_data; - struct davinci_mcbsp_dev *dev; - struct resource *mem, *ioarea, *res; - enum dma_event_q asp_chan_q = EVENTQ_0; - enum dma_event_q ram_chan_q = EVENTQ_1; - int ret; - - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!mem) { - dev_err(&pdev->dev, "no mem resource?\n"); - return -ENODEV; - } - - ioarea = devm_request_mem_region(&pdev->dev, mem->start, - resource_size(mem), - pdev->name); - if (!ioarea) { - dev_err(&pdev->dev, "McBSP region already claimed\n"); - return -EBUSY; - } - - dev = devm_kzalloc(&pdev->dev, sizeof(struct davinci_mcbsp_dev), - GFP_KERNEL); - if (!dev) - return -ENOMEM; - if (pdata) { - dev->enable_channel_combine = pdata->enable_channel_combine; - dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK].sram_size = - pdata->sram_size_playback; - dev->dma_params[SNDRV_PCM_STREAM_CAPTURE].sram_size = - pdata->sram_size_capture; - dev->clk_input_pin = pdata->clk_input_pin; - dev->i2s_accurate_sck = pdata->i2s_accurate_sck; - asp_chan_q = pdata->asp_chan_q; - ram_chan_q = pdata->ram_chan_q; - } - - dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK].asp_chan_q = asp_chan_q; - dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK].ram_chan_q = ram_chan_q; - dev->dma_params[SNDRV_PCM_STREAM_CAPTURE].asp_chan_q = asp_chan_q; - dev->dma_params[SNDRV_PCM_STREAM_CAPTURE].ram_chan_q = ram_chan_q; - - dev->clk = clk_get(&pdev->dev, NULL); - if (IS_ERR(dev->clk)) - return -ENODEV; - clk_enable(dev->clk); - - dev->base = devm_ioremap(&pdev->dev, mem->start, resource_size(mem)); - if (!dev->base) { - dev_err(&pdev->dev, "ioremap failed\n"); - ret = -ENOMEM; - goto err_release_clk; - } - - dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK].dma_addr = - (dma_addr_t)(mem->start + DAVINCI_MCBSP_DXR_REG); - - dev->dma_params[SNDRV_PCM_STREAM_CAPTURE].dma_addr = - (dma_addr_t)(mem->start + DAVINCI_MCBSP_DRR_REG); - - /* first TX, then RX */ - res = platform_get_resource(pdev, IORESOURCE_DMA, 0); - if (!res) { - dev_err(&pdev->dev, "no DMA resource\n"); - ret = -ENXIO; - goto err_release_clk; - } - dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK].channel = res->start; - - res = platform_get_resource(pdev, IORESOURCE_DMA, 1); - if (!res) { - dev_err(&pdev->dev, "no DMA resource\n"); - ret = -ENXIO; - goto err_release_clk; - } - dev->dma_params[SNDRV_PCM_STREAM_CAPTURE].channel = res->start; - dev->dev = &pdev->dev; - - dev_set_drvdata(&pdev->dev, dev); - - ret = snd_soc_register_dai(&pdev->dev, &davinci_i2s_dai); - if (ret != 0) - goto err_release_clk; - - return 0; - -err_release_clk: - clk_disable(dev->clk); - clk_put(dev->clk); - return ret; -} - -static int davinci_i2s_remove(struct platform_device *pdev) -{ - struct davinci_mcbsp_dev *dev = dev_get_drvdata(&pdev->dev); - - snd_soc_unregister_dai(&pdev->dev); - clk_disable(dev->clk); - clk_put(dev->clk); - dev->clk = NULL; - - return 0; -} - -static struct platform_driver davinci_mcbsp_driver = { - .probe = davinci_i2s_probe, - .remove = davinci_i2s_remove, - .driver = { - .name = "davinci-mcbsp", - .owner = THIS_MODULE, - }, -}; - -module_platform_driver(davinci_mcbsp_driver); - -MODULE_AUTHOR("Vladimir Barinov"); -MODULE_DESCRIPTION("TI DAVINCI I2S (McBSP) SoC Interface"); -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/sound/soc/davinci/davinci-i2s.h b/ANDROID_3.4.5/sound/soc/davinci/davinci-i2s.h deleted file mode 100644 index 48dac3e2..00000000 --- a/ANDROID_3.4.5/sound/soc/davinci/davinci-i2s.h +++ /dev/null @@ -1,20 +0,0 @@ -/* - * ALSA SoC I2S (McBSP) Audio Layer for TI DAVINCI processor - * - * Author: Vladimir Barinov, <vbarinov@embeddedalley.com> - * Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.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. - */ - -#ifndef _DAVINCI_I2S_H -#define _DAVINCI_I2S_H - -/* McBSP dividers */ -enum davinci_mcbsp_div { - DAVINCI_MCBSP_CLKGDV, /* Sample rate generator divider */ -}; - -#endif diff --git a/ANDROID_3.4.5/sound/soc/davinci/davinci-mcasp.c b/ANDROID_3.4.5/sound/soc/davinci/davinci-mcasp.c deleted file mode 100644 index 95441bfc..00000000 --- a/ANDROID_3.4.5/sound/soc/davinci/davinci-mcasp.c +++ /dev/null @@ -1,983 +0,0 @@ -/* - * ALSA SoC McASP Audio Layer for TI DAVINCI processor - * - * Multi-channel Audio Serial Port Driver - * - * Author: Nirmal Pandey <n-pandey@ti.com>, - * Suresh Rajashekara <suresh.r@ti.com> - * Steve Chen <schen@.mvista.com> - * - * Copyright: (C) 2009 MontaVista Software, Inc., <source@mvista.com> - * Copyright: (C) 2009 Texas Instruments, India - * - * 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/init.h> -#include <linux/module.h> -#include <linux/device.h> -#include <linux/slab.h> -#include <linux/delay.h> -#include <linux/io.h> -#include <linux/clk.h> - -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/initval.h> -#include <sound/soc.h> - -#include "davinci-pcm.h" -#include "davinci-mcasp.h" - -/* - * McASP register definitions - */ -#define DAVINCI_MCASP_PID_REG 0x00 -#define DAVINCI_MCASP_PWREMUMGT_REG 0x04 - -#define DAVINCI_MCASP_PFUNC_REG 0x10 -#define DAVINCI_MCASP_PDIR_REG 0x14 -#define DAVINCI_MCASP_PDOUT_REG 0x18 -#define DAVINCI_MCASP_PDSET_REG 0x1c - -#define DAVINCI_MCASP_PDCLR_REG 0x20 - -#define DAVINCI_MCASP_TLGC_REG 0x30 -#define DAVINCI_MCASP_TLMR_REG 0x34 - -#define DAVINCI_MCASP_GBLCTL_REG 0x44 -#define DAVINCI_MCASP_AMUTE_REG 0x48 -#define DAVINCI_MCASP_LBCTL_REG 0x4c - -#define DAVINCI_MCASP_TXDITCTL_REG 0x50 - -#define DAVINCI_MCASP_GBLCTLR_REG 0x60 -#define DAVINCI_MCASP_RXMASK_REG 0x64 -#define DAVINCI_MCASP_RXFMT_REG 0x68 -#define DAVINCI_MCASP_RXFMCTL_REG 0x6c - -#define DAVINCI_MCASP_ACLKRCTL_REG 0x70 -#define DAVINCI_MCASP_AHCLKRCTL_REG 0x74 -#define DAVINCI_MCASP_RXTDM_REG 0x78 -#define DAVINCI_MCASP_EVTCTLR_REG 0x7c - -#define DAVINCI_MCASP_RXSTAT_REG 0x80 -#define DAVINCI_MCASP_RXTDMSLOT_REG 0x84 -#define DAVINCI_MCASP_RXCLKCHK_REG 0x88 -#define DAVINCI_MCASP_REVTCTL_REG 0x8c - -#define DAVINCI_MCASP_GBLCTLX_REG 0xa0 -#define DAVINCI_MCASP_TXMASK_REG 0xa4 -#define DAVINCI_MCASP_TXFMT_REG 0xa8 -#define DAVINCI_MCASP_TXFMCTL_REG 0xac - -#define DAVINCI_MCASP_ACLKXCTL_REG 0xb0 -#define DAVINCI_MCASP_AHCLKXCTL_REG 0xb4 -#define DAVINCI_MCASP_TXTDM_REG 0xb8 -#define DAVINCI_MCASP_EVTCTLX_REG 0xbc - -#define DAVINCI_MCASP_TXSTAT_REG 0xc0 -#define DAVINCI_MCASP_TXTDMSLOT_REG 0xc4 -#define DAVINCI_MCASP_TXCLKCHK_REG 0xc8 -#define DAVINCI_MCASP_XEVTCTL_REG 0xcc - -/* Left(even TDM Slot) Channel Status Register File */ -#define DAVINCI_MCASP_DITCSRA_REG 0x100 -/* Right(odd TDM slot) Channel Status Register File */ -#define DAVINCI_MCASP_DITCSRB_REG 0x118 -/* Left(even TDM slot) User Data Register File */ -#define DAVINCI_MCASP_DITUDRA_REG 0x130 -/* Right(odd TDM Slot) User Data Register File */ -#define DAVINCI_MCASP_DITUDRB_REG 0x148 - -/* Serializer n Control Register */ -#define DAVINCI_MCASP_XRSRCTL_BASE_REG 0x180 -#define DAVINCI_MCASP_XRSRCTL_REG(n) (DAVINCI_MCASP_XRSRCTL_BASE_REG + \ - (n << 2)) - -/* Transmit Buffer for Serializer n */ -#define DAVINCI_MCASP_TXBUF_REG 0x200 -/* Receive Buffer for Serializer n */ -#define DAVINCI_MCASP_RXBUF_REG 0x280 - -/* McASP FIFO Registers */ -#define DAVINCI_MCASP_WFIFOCTL (0x1010) -#define DAVINCI_MCASP_WFIFOSTS (0x1014) -#define DAVINCI_MCASP_RFIFOCTL (0x1018) -#define DAVINCI_MCASP_RFIFOSTS (0x101C) - -/* - * DAVINCI_MCASP_PWREMUMGT_REG - Power Down and Emulation Management - * Register Bits - */ -#define MCASP_FREE BIT(0) -#define MCASP_SOFT BIT(1) - -/* - * DAVINCI_MCASP_PFUNC_REG - Pin Function / GPIO Enable Register Bits - */ -#define AXR(n) (1<<n) -#define PFUNC_AMUTE BIT(25) -#define ACLKX BIT(26) -#define AHCLKX BIT(27) -#define AFSX BIT(28) -#define ACLKR BIT(29) -#define AHCLKR BIT(30) -#define AFSR BIT(31) - -/* - * DAVINCI_MCASP_PDIR_REG - Pin Direction Register Bits - */ -#define AXR(n) (1<<n) -#define PDIR_AMUTE BIT(25) -#define ACLKX BIT(26) -#define AHCLKX BIT(27) -#define AFSX BIT(28) -#define ACLKR BIT(29) -#define AHCLKR BIT(30) -#define AFSR BIT(31) - -/* - * DAVINCI_MCASP_TXDITCTL_REG - Transmit DIT Control Register Bits - */ -#define DITEN BIT(0) /* Transmit DIT mode enable/disable */ -#define VA BIT(2) -#define VB BIT(3) - -/* - * DAVINCI_MCASP_TXFMT_REG - Transmit Bitstream Format Register Bits - */ -#define TXROT(val) (val) -#define TXSEL BIT(3) -#define TXSSZ(val) (val<<4) -#define TXPBIT(val) (val<<8) -#define TXPAD(val) (val<<13) -#define TXORD BIT(15) -#define FSXDLY(val) (val<<16) - -/* - * DAVINCI_MCASP_RXFMT_REG - Receive Bitstream Format Register Bits - */ -#define RXROT(val) (val) -#define RXSEL BIT(3) -#define RXSSZ(val) (val<<4) -#define RXPBIT(val) (val<<8) -#define RXPAD(val) (val<<13) -#define RXORD BIT(15) -#define FSRDLY(val) (val<<16) - -/* - * DAVINCI_MCASP_TXFMCTL_REG - Transmit Frame Control Register Bits - */ -#define FSXPOL BIT(0) -#define AFSXE BIT(1) -#define FSXDUR BIT(4) -#define FSXMOD(val) (val<<7) - -/* - * DAVINCI_MCASP_RXFMCTL_REG - Receive Frame Control Register Bits - */ -#define FSRPOL BIT(0) -#define AFSRE BIT(1) -#define FSRDUR BIT(4) -#define FSRMOD(val) (val<<7) - -/* - * DAVINCI_MCASP_ACLKXCTL_REG - Transmit Clock Control Register Bits - */ -#define ACLKXDIV(val) (val) -#define ACLKXE BIT(5) -#define TX_ASYNC BIT(6) -#define ACLKXPOL BIT(7) - -/* - * DAVINCI_MCASP_ACLKRCTL_REG Receive Clock Control Register Bits - */ -#define ACLKRDIV(val) (val) -#define ACLKRE BIT(5) -#define RX_ASYNC BIT(6) -#define ACLKRPOL BIT(7) - -/* - * DAVINCI_MCASP_AHCLKXCTL_REG - High Frequency Transmit Clock Control - * Register Bits - */ -#define AHCLKXDIV(val) (val) -#define AHCLKXPOL BIT(14) -#define AHCLKXE BIT(15) - -/* - * DAVINCI_MCASP_AHCLKRCTL_REG - High Frequency Receive Clock Control - * Register Bits - */ -#define AHCLKRDIV(val) (val) -#define AHCLKRPOL BIT(14) -#define AHCLKRE BIT(15) - -/* - * DAVINCI_MCASP_XRSRCTL_BASE_REG - Serializer Control Register Bits - */ -#define MODE(val) (val) -#define DISMOD (val)(val<<2) -#define TXSTATE BIT(4) -#define RXSTATE BIT(5) - -/* - * DAVINCI_MCASP_LBCTL_REG - Loop Back Control Register Bits - */ -#define LBEN BIT(0) -#define LBORD BIT(1) -#define LBGENMODE(val) (val<<2) - -/* - * DAVINCI_MCASP_TXTDMSLOT_REG - Transmit TDM Slot Register configuration - */ -#define TXTDMS(n) (1<<n) - -/* - * DAVINCI_MCASP_RXTDMSLOT_REG - Receive TDM Slot Register configuration - */ -#define RXTDMS(n) (1<<n) - -/* - * DAVINCI_MCASP_GBLCTL_REG - Global Control Register Bits - */ -#define RXCLKRST BIT(0) /* Receiver Clock Divider Reset */ -#define RXHCLKRST BIT(1) /* Receiver High Frequency Clock Divider */ -#define RXSERCLR BIT(2) /* Receiver Serializer Clear */ -#define RXSMRST BIT(3) /* Receiver State Machine Reset */ -#define RXFSRST BIT(4) /* Frame Sync Generator Reset */ -#define TXCLKRST BIT(8) /* Transmitter Clock Divider Reset */ -#define TXHCLKRST BIT(9) /* Transmitter High Frequency Clock Divider*/ -#define TXSERCLR BIT(10) /* Transmit Serializer Clear */ -#define TXSMRST BIT(11) /* Transmitter State Machine Reset */ -#define TXFSRST BIT(12) /* Frame Sync Generator Reset */ - -/* - * DAVINCI_MCASP_AMUTE_REG - Mute Control Register Bits - */ -#define MUTENA(val) (val) -#define MUTEINPOL BIT(2) -#define MUTEINENA BIT(3) -#define MUTEIN BIT(4) -#define MUTER BIT(5) -#define MUTEX BIT(6) -#define MUTEFSR BIT(7) -#define MUTEFSX BIT(8) -#define MUTEBADCLKR BIT(9) -#define MUTEBADCLKX BIT(10) -#define MUTERXDMAERR BIT(11) -#define MUTETXDMAERR BIT(12) - -/* - * DAVINCI_MCASP_REVTCTL_REG - Receiver DMA Event Control Register bits - */ -#define RXDATADMADIS BIT(0) - -/* - * DAVINCI_MCASP_XEVTCTL_REG - Transmitter DMA Event Control Register bits - */ -#define TXDATADMADIS BIT(0) - -/* - * DAVINCI_MCASP_W[R]FIFOCTL - Write/Read FIFO Control Register bits - */ -#define FIFO_ENABLE BIT(16) -#define NUMEVT_MASK (0xFF << 8) -#define NUMDMA_MASK (0xFF) - -#define DAVINCI_MCASP_NUM_SERIALIZER 16 - -static inline void mcasp_set_bits(void __iomem *reg, u32 val) -{ - __raw_writel(__raw_readl(reg) | val, reg); -} - -static inline void mcasp_clr_bits(void __iomem *reg, u32 val) -{ - __raw_writel((__raw_readl(reg) & ~(val)), reg); -} - -static inline void mcasp_mod_bits(void __iomem *reg, u32 val, u32 mask) -{ - __raw_writel((__raw_readl(reg) & ~mask) | val, reg); -} - -static inline void mcasp_set_reg(void __iomem *reg, u32 val) -{ - __raw_writel(val, reg); -} - -static inline u32 mcasp_get_reg(void __iomem *reg) -{ - return (unsigned int)__raw_readl(reg); -} - -static inline void mcasp_set_ctl_reg(void __iomem *regs, u32 val) -{ - int i = 0; - - mcasp_set_bits(regs, val); - - /* programming GBLCTL needs to read back from GBLCTL and verfiy */ - /* loop count is to avoid the lock-up */ - for (i = 0; i < 1000; i++) { - if ((mcasp_get_reg(regs) & val) == val) - break; - } - - if (i == 1000 && ((mcasp_get_reg(regs) & val) != val)) - printk(KERN_ERR "GBLCTL write error\n"); -} - -static void mcasp_start_rx(struct davinci_audio_dev *dev) -{ - mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLR_REG, RXHCLKRST); - mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLR_REG, RXCLKRST); - mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLR_REG, RXSERCLR); - mcasp_set_reg(dev->base + DAVINCI_MCASP_RXBUF_REG, 0); - - mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLR_REG, RXSMRST); - mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLR_REG, RXFSRST); - mcasp_set_reg(dev->base + DAVINCI_MCASP_RXBUF_REG, 0); - - mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLR_REG, RXSMRST); - mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLR_REG, RXFSRST); -} - -static void mcasp_start_tx(struct davinci_audio_dev *dev) -{ - u8 offset = 0, i; - u32 cnt; - - mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLX_REG, TXHCLKRST); - mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLX_REG, TXCLKRST); - mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLX_REG, TXSERCLR); - mcasp_set_reg(dev->base + DAVINCI_MCASP_TXBUF_REG, 0); - - mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLX_REG, TXSMRST); - mcasp_set_ctl_reg(dev->base + DAVINCI_MCASP_GBLCTLX_REG, TXFSRST); - mcasp_set_reg(dev->base + DAVINCI_MCASP_TXBUF_REG, 0); - for (i = 0; i < dev->num_serializer; i++) { - if (dev->serial_dir[i] == TX_MODE) { - offset = i; - break; - } - } - - /* wait for TX ready */ - cnt = 0; - while (!(mcasp_get_reg(dev->base + DAVINCI_MCASP_XRSRCTL_REG(offset)) & - TXSTATE) && (cnt < 100000)) - cnt++; - - mcasp_set_reg(dev->base + DAVINCI_MCASP_TXBUF_REG, 0); -} - -static void davinci_mcasp_start(struct davinci_audio_dev *dev, int stream) -{ - if (stream == SNDRV_PCM_STREAM_PLAYBACK) { - if (dev->txnumevt) /* enable FIFO */ - mcasp_set_bits(dev->base + DAVINCI_MCASP_WFIFOCTL, - FIFO_ENABLE); - mcasp_start_tx(dev); - } else { - if (dev->rxnumevt) /* enable FIFO */ - mcasp_set_bits(dev->base + DAVINCI_MCASP_RFIFOCTL, - FIFO_ENABLE); - mcasp_start_rx(dev); - } -} - -static void mcasp_stop_rx(struct davinci_audio_dev *dev) -{ - mcasp_set_reg(dev->base + DAVINCI_MCASP_GBLCTLR_REG, 0); - mcasp_set_reg(dev->base + DAVINCI_MCASP_RXSTAT_REG, 0xFFFFFFFF); -} - -static void mcasp_stop_tx(struct davinci_audio_dev *dev) -{ - mcasp_set_reg(dev->base + DAVINCI_MCASP_GBLCTLX_REG, 0); - mcasp_set_reg(dev->base + DAVINCI_MCASP_TXSTAT_REG, 0xFFFFFFFF); -} - -static void davinci_mcasp_stop(struct davinci_audio_dev *dev, int stream) -{ - if (stream == SNDRV_PCM_STREAM_PLAYBACK) { - if (dev->txnumevt) /* disable FIFO */ - mcasp_clr_bits(dev->base + DAVINCI_MCASP_WFIFOCTL, - FIFO_ENABLE); - mcasp_stop_tx(dev); - } else { - if (dev->rxnumevt) /* disable FIFO */ - mcasp_clr_bits(dev->base + DAVINCI_MCASP_RFIFOCTL, - FIFO_ENABLE); - mcasp_stop_rx(dev); - } -} - -static int davinci_mcasp_set_dai_fmt(struct snd_soc_dai *cpu_dai, - unsigned int fmt) -{ - struct davinci_audio_dev *dev = snd_soc_dai_get_drvdata(cpu_dai); - void __iomem *base = dev->base; - - switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) { - case SND_SOC_DAIFMT_CBS_CFS: - /* codec is clock and frame slave */ - mcasp_set_bits(base + DAVINCI_MCASP_ACLKXCTL_REG, ACLKXE); - mcasp_set_bits(base + DAVINCI_MCASP_TXFMCTL_REG, AFSXE); - - mcasp_set_bits(base + DAVINCI_MCASP_ACLKRCTL_REG, ACLKRE); - mcasp_set_bits(base + DAVINCI_MCASP_RXFMCTL_REG, AFSRE); - - mcasp_set_bits(base + DAVINCI_MCASP_PDIR_REG, - ACLKX | AHCLKX | AFSX); - break; - case SND_SOC_DAIFMT_CBM_CFS: - /* codec is clock master and frame slave */ - mcasp_clr_bits(base + DAVINCI_MCASP_ACLKXCTL_REG, ACLKXE); - mcasp_set_bits(base + DAVINCI_MCASP_TXFMCTL_REG, AFSXE); - - mcasp_clr_bits(base + DAVINCI_MCASP_ACLKRCTL_REG, ACLKRE); - mcasp_set_bits(base + DAVINCI_MCASP_RXFMCTL_REG, AFSRE); - - mcasp_clr_bits(base + DAVINCI_MCASP_PDIR_REG, - ACLKX | ACLKR); - mcasp_set_bits(base + DAVINCI_MCASP_PDIR_REG, - AFSX | AFSR); - break; - case SND_SOC_DAIFMT_CBM_CFM: - /* codec is clock and frame master */ - mcasp_clr_bits(base + DAVINCI_MCASP_ACLKXCTL_REG, ACLKXE); - mcasp_clr_bits(base + DAVINCI_MCASP_TXFMCTL_REG, AFSXE); - - mcasp_clr_bits(base + DAVINCI_MCASP_ACLKRCTL_REG, ACLKRE); - mcasp_clr_bits(base + DAVINCI_MCASP_RXFMCTL_REG, AFSRE); - - mcasp_clr_bits(base + DAVINCI_MCASP_PDIR_REG, - ACLKX | AHCLKX | AFSX | ACLKR | AHCLKR | AFSR); - break; - - default: - return -EINVAL; - } - - switch (fmt & SND_SOC_DAIFMT_INV_MASK) { - case SND_SOC_DAIFMT_IB_NF: - mcasp_clr_bits(base + DAVINCI_MCASP_ACLKXCTL_REG, ACLKXPOL); - mcasp_clr_bits(base + DAVINCI_MCASP_TXFMCTL_REG, FSXPOL); - - mcasp_set_bits(base + DAVINCI_MCASP_ACLKRCTL_REG, ACLKRPOL); - mcasp_clr_bits(base + DAVINCI_MCASP_RXFMCTL_REG, FSRPOL); - break; - - case SND_SOC_DAIFMT_NB_IF: - mcasp_set_bits(base + DAVINCI_MCASP_ACLKXCTL_REG, ACLKXPOL); - mcasp_set_bits(base + DAVINCI_MCASP_TXFMCTL_REG, FSXPOL); - - mcasp_clr_bits(base + DAVINCI_MCASP_ACLKRCTL_REG, ACLKRPOL); - mcasp_set_bits(base + DAVINCI_MCASP_RXFMCTL_REG, FSRPOL); - break; - - case SND_SOC_DAIFMT_IB_IF: - mcasp_clr_bits(base + DAVINCI_MCASP_ACLKXCTL_REG, ACLKXPOL); - mcasp_set_bits(base + DAVINCI_MCASP_TXFMCTL_REG, FSXPOL); - - mcasp_set_bits(base + DAVINCI_MCASP_ACLKRCTL_REG, ACLKRPOL); - mcasp_set_bits(base + DAVINCI_MCASP_RXFMCTL_REG, FSRPOL); - break; - - case SND_SOC_DAIFMT_NB_NF: - mcasp_set_bits(base + DAVINCI_MCASP_ACLKXCTL_REG, ACLKXPOL); - mcasp_clr_bits(base + DAVINCI_MCASP_TXFMCTL_REG, FSXPOL); - - mcasp_clr_bits(base + DAVINCI_MCASP_ACLKRCTL_REG, ACLKRPOL); - mcasp_clr_bits(base + DAVINCI_MCASP_RXFMCTL_REG, FSRPOL); - break; - - default: - return -EINVAL; - } - - return 0; -} - -static int davinci_config_channel_size(struct davinci_audio_dev *dev, - int channel_size) -{ - u32 fmt = 0; - u32 mask, rotate; - - switch (channel_size) { - case DAVINCI_AUDIO_WORD_8: - fmt = 0x03; - rotate = 6; - mask = 0x000000ff; - break; - - case DAVINCI_AUDIO_WORD_12: - fmt = 0x05; - rotate = 5; - mask = 0x00000fff; - break; - - case DAVINCI_AUDIO_WORD_16: - fmt = 0x07; - rotate = 4; - mask = 0x0000ffff; - break; - - case DAVINCI_AUDIO_WORD_20: - fmt = 0x09; - rotate = 3; - mask = 0x000fffff; - break; - - case DAVINCI_AUDIO_WORD_24: - fmt = 0x0B; - rotate = 2; - mask = 0x00ffffff; - break; - - case DAVINCI_AUDIO_WORD_28: - fmt = 0x0D; - rotate = 1; - mask = 0x0fffffff; - break; - - case DAVINCI_AUDIO_WORD_32: - fmt = 0x0F; - rotate = 0; - mask = 0xffffffff; - break; - - default: - return -EINVAL; - } - - mcasp_mod_bits(dev->base + DAVINCI_MCASP_RXFMT_REG, - RXSSZ(fmt), RXSSZ(0x0F)); - mcasp_mod_bits(dev->base + DAVINCI_MCASP_TXFMT_REG, - TXSSZ(fmt), TXSSZ(0x0F)); - mcasp_mod_bits(dev->base + DAVINCI_MCASP_TXFMT_REG, TXROT(rotate), - TXROT(7)); - mcasp_mod_bits(dev->base + DAVINCI_MCASP_RXFMT_REG, RXROT(rotate), - RXROT(7)); - mcasp_set_reg(dev->base + DAVINCI_MCASP_TXMASK_REG, mask); - mcasp_set_reg(dev->base + DAVINCI_MCASP_RXMASK_REG, mask); - - return 0; -} - -static void davinci_hw_common_param(struct davinci_audio_dev *dev, int stream) -{ - int i; - u8 tx_ser = 0; - u8 rx_ser = 0; - - /* Default configuration */ - mcasp_set_bits(dev->base + DAVINCI_MCASP_PWREMUMGT_REG, MCASP_SOFT); - - /* All PINS as McASP */ - mcasp_set_reg(dev->base + DAVINCI_MCASP_PFUNC_REG, 0x00000000); - - if (stream == SNDRV_PCM_STREAM_PLAYBACK) { - mcasp_set_reg(dev->base + DAVINCI_MCASP_TXSTAT_REG, 0xFFFFFFFF); - mcasp_clr_bits(dev->base + DAVINCI_MCASP_XEVTCTL_REG, - TXDATADMADIS); - } else { - mcasp_set_reg(dev->base + DAVINCI_MCASP_RXSTAT_REG, 0xFFFFFFFF); - mcasp_clr_bits(dev->base + DAVINCI_MCASP_REVTCTL_REG, - RXDATADMADIS); - } - - for (i = 0; i < dev->num_serializer; i++) { - mcasp_set_bits(dev->base + DAVINCI_MCASP_XRSRCTL_REG(i), - dev->serial_dir[i]); - if (dev->serial_dir[i] == TX_MODE) { - mcasp_set_bits(dev->base + DAVINCI_MCASP_PDIR_REG, - AXR(i)); - tx_ser++; - } else if (dev->serial_dir[i] == RX_MODE) { - mcasp_clr_bits(dev->base + DAVINCI_MCASP_PDIR_REG, - AXR(i)); - rx_ser++; - } - } - - if (dev->txnumevt && stream == SNDRV_PCM_STREAM_PLAYBACK) { - if (dev->txnumevt * tx_ser > 64) - dev->txnumevt = 1; - - mcasp_mod_bits(dev->base + DAVINCI_MCASP_WFIFOCTL, tx_ser, - NUMDMA_MASK); - mcasp_mod_bits(dev->base + DAVINCI_MCASP_WFIFOCTL, - ((dev->txnumevt * tx_ser) << 8), NUMEVT_MASK); - } - - if (dev->rxnumevt && stream == SNDRV_PCM_STREAM_CAPTURE) { - if (dev->rxnumevt * rx_ser > 64) - dev->rxnumevt = 1; - - mcasp_mod_bits(dev->base + DAVINCI_MCASP_RFIFOCTL, rx_ser, - NUMDMA_MASK); - mcasp_mod_bits(dev->base + DAVINCI_MCASP_RFIFOCTL, - ((dev->rxnumevt * rx_ser) << 8), NUMEVT_MASK); - } -} - -static void davinci_hw_param(struct davinci_audio_dev *dev, int stream) -{ - int i, active_slots; - u32 mask = 0; - - active_slots = (dev->tdm_slots > 31) ? 32 : dev->tdm_slots; - for (i = 0; i < active_slots; i++) - mask |= (1 << i); - - mcasp_clr_bits(dev->base + DAVINCI_MCASP_ACLKXCTL_REG, TX_ASYNC); - - if (stream == SNDRV_PCM_STREAM_PLAYBACK) { - /* bit stream is MSB first with no delay */ - /* DSP_B mode */ - mcasp_set_bits(dev->base + DAVINCI_MCASP_AHCLKXCTL_REG, - AHCLKXE); - mcasp_set_reg(dev->base + DAVINCI_MCASP_TXTDM_REG, mask); - mcasp_set_bits(dev->base + DAVINCI_MCASP_TXFMT_REG, TXORD); - - if ((dev->tdm_slots >= 2) && (dev->tdm_slots <= 32)) - mcasp_mod_bits(dev->base + DAVINCI_MCASP_TXFMCTL_REG, - FSXMOD(dev->tdm_slots), FSXMOD(0x1FF)); - else - printk(KERN_ERR "playback tdm slot %d not supported\n", - dev->tdm_slots); - - mcasp_clr_bits(dev->base + DAVINCI_MCASP_TXFMCTL_REG, FSXDUR); - } else { - /* bit stream is MSB first with no delay */ - /* DSP_B mode */ - mcasp_set_bits(dev->base + DAVINCI_MCASP_RXFMT_REG, RXORD); - mcasp_set_bits(dev->base + DAVINCI_MCASP_AHCLKRCTL_REG, - AHCLKRE); - mcasp_set_reg(dev->base + DAVINCI_MCASP_RXTDM_REG, mask); - - if ((dev->tdm_slots >= 2) && (dev->tdm_slots <= 32)) - mcasp_mod_bits(dev->base + DAVINCI_MCASP_RXFMCTL_REG, - FSRMOD(dev->tdm_slots), FSRMOD(0x1FF)); - else - printk(KERN_ERR "capture tdm slot %d not supported\n", - dev->tdm_slots); - - mcasp_clr_bits(dev->base + DAVINCI_MCASP_RXFMCTL_REG, FSRDUR); - } -} - -/* S/PDIF */ -static void davinci_hw_dit_param(struct davinci_audio_dev *dev) -{ - /* Set the PDIR for Serialiser as output */ - mcasp_set_bits(dev->base + DAVINCI_MCASP_PDIR_REG, AFSX); - - /* TXMASK for 24 bits */ - mcasp_set_reg(dev->base + DAVINCI_MCASP_TXMASK_REG, 0x00FFFFFF); - - /* Set the TX format : 24 bit right rotation, 32 bit slot, Pad 0 - and LSB first */ - mcasp_set_bits(dev->base + DAVINCI_MCASP_TXFMT_REG, - TXROT(6) | TXSSZ(15)); - - /* Set TX frame synch : DIT Mode, 1 bit width, internal, rising edge */ - mcasp_set_reg(dev->base + DAVINCI_MCASP_TXFMCTL_REG, - AFSXE | FSXMOD(0x180)); - - /* Set the TX tdm : for all the slots */ - mcasp_set_reg(dev->base + DAVINCI_MCASP_TXTDM_REG, 0xFFFFFFFF); - - /* Set the TX clock controls : div = 1 and internal */ - mcasp_set_bits(dev->base + DAVINCI_MCASP_ACLKXCTL_REG, - ACLKXE | TX_ASYNC); - - mcasp_clr_bits(dev->base + DAVINCI_MCASP_XEVTCTL_REG, TXDATADMADIS); - - /* Only 44100 and 48000 are valid, both have the same setting */ - mcasp_set_bits(dev->base + DAVINCI_MCASP_AHCLKXCTL_REG, AHCLKXDIV(3)); - - /* Enable the DIT */ - mcasp_set_bits(dev->base + DAVINCI_MCASP_TXDITCTL_REG, DITEN); -} - -static int davinci_mcasp_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params, - struct snd_soc_dai *cpu_dai) -{ - struct davinci_audio_dev *dev = snd_soc_dai_get_drvdata(cpu_dai); - struct davinci_pcm_dma_params *dma_params = - &dev->dma_params[substream->stream]; - int word_length; - u8 fifo_level; - - davinci_hw_common_param(dev, substream->stream); - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - fifo_level = dev->txnumevt; - else - fifo_level = dev->rxnumevt; - - if (dev->op_mode == DAVINCI_MCASP_DIT_MODE) - davinci_hw_dit_param(dev); - else - davinci_hw_param(dev, substream->stream); - - switch (params_format(params)) { - case SNDRV_PCM_FORMAT_U8: - case SNDRV_PCM_FORMAT_S8: - dma_params->data_type = 1; - word_length = DAVINCI_AUDIO_WORD_8; - break; - - case SNDRV_PCM_FORMAT_U16_LE: - case SNDRV_PCM_FORMAT_S16_LE: - dma_params->data_type = 2; - word_length = DAVINCI_AUDIO_WORD_16; - break; - - case SNDRV_PCM_FORMAT_U32_LE: - case SNDRV_PCM_FORMAT_S32_LE: - dma_params->data_type = 4; - word_length = DAVINCI_AUDIO_WORD_32; - break; - - default: - printk(KERN_WARNING "davinci-mcasp: unsupported PCM format"); - return -EINVAL; - } - - if (dev->version == MCASP_VERSION_2 && !fifo_level) - dma_params->acnt = 4; - else - dma_params->acnt = dma_params->data_type; - - dma_params->fifo_level = fifo_level; - davinci_config_channel_size(dev, word_length); - - return 0; -} - -static int davinci_mcasp_trigger(struct snd_pcm_substream *substream, - int cmd, struct snd_soc_dai *cpu_dai) -{ - struct davinci_audio_dev *dev = snd_soc_dai_get_drvdata(cpu_dai); - int ret = 0; - - switch (cmd) { - case SNDRV_PCM_TRIGGER_RESUME: - case SNDRV_PCM_TRIGGER_START: - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - if (!dev->clk_active) { - clk_enable(dev->clk); - dev->clk_active = 1; - } - davinci_mcasp_start(dev, substream->stream); - break; - - case SNDRV_PCM_TRIGGER_SUSPEND: - davinci_mcasp_stop(dev, substream->stream); - if (dev->clk_active) { - clk_disable(dev->clk); - dev->clk_active = 0; - } - - break; - - case SNDRV_PCM_TRIGGER_STOP: - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - davinci_mcasp_stop(dev, substream->stream); - break; - - default: - ret = -EINVAL; - } - - return ret; -} - -static int davinci_mcasp_startup(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct davinci_audio_dev *dev = snd_soc_dai_get_drvdata(dai); - - snd_soc_dai_set_dma_data(dai, substream, dev->dma_params); - return 0; -} - -static const struct snd_soc_dai_ops davinci_mcasp_dai_ops = { - .startup = davinci_mcasp_startup, - .trigger = davinci_mcasp_trigger, - .hw_params = davinci_mcasp_hw_params, - .set_fmt = davinci_mcasp_set_dai_fmt, - -}; - -#define DAVINCI_MCASP_PCM_FMTS (SNDRV_PCM_FMTBIT_S8 | \ - SNDRV_PCM_FMTBIT_U8 | \ - SNDRV_PCM_FMTBIT_S16_LE | \ - SNDRV_PCM_FMTBIT_U16_LE | \ - SNDRV_PCM_FMTBIT_S32_LE | \ - SNDRV_PCM_FMTBIT_U32_LE) - -static struct snd_soc_dai_driver davinci_mcasp_dai[] = { - { - .name = "davinci-mcasp.0", - .playback = { - .channels_min = 2, - .channels_max = 2, - .rates = DAVINCI_MCASP_RATES, - .formats = DAVINCI_MCASP_PCM_FMTS, - }, - .capture = { - .channels_min = 2, - .channels_max = 2, - .rates = DAVINCI_MCASP_RATES, - .formats = DAVINCI_MCASP_PCM_FMTS, - }, - .ops = &davinci_mcasp_dai_ops, - - }, - { - "davinci-mcasp.1", - .playback = { - .channels_min = 1, - .channels_max = 384, - .rates = DAVINCI_MCASP_RATES, - .formats = DAVINCI_MCASP_PCM_FMTS, - }, - .ops = &davinci_mcasp_dai_ops, - }, - -}; - -static int davinci_mcasp_probe(struct platform_device *pdev) -{ - struct davinci_pcm_dma_params *dma_data; - struct resource *mem, *ioarea, *res; - struct snd_platform_data *pdata; - struct davinci_audio_dev *dev; - int ret; - - dev = devm_kzalloc(&pdev->dev, sizeof(struct davinci_audio_dev), - GFP_KERNEL); - if (!dev) - return -ENOMEM; - - mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!mem) { - dev_err(&pdev->dev, "no mem resource?\n"); - return -ENODEV; - } - - ioarea = devm_request_mem_region(&pdev->dev, mem->start, - resource_size(mem), pdev->name); - if (!ioarea) { - dev_err(&pdev->dev, "Audio region already claimed\n"); - return -EBUSY; - } - - pdata = pdev->dev.platform_data; - dev->clk = clk_get(&pdev->dev, NULL); - if (IS_ERR(dev->clk)) - return -ENODEV; - - clk_enable(dev->clk); - dev->clk_active = 1; - - dev->base = devm_ioremap(&pdev->dev, mem->start, resource_size(mem)); - if (!dev->base) { - dev_err(&pdev->dev, "ioremap failed\n"); - ret = -ENOMEM; - goto err_release_clk; - } - - dev->op_mode = pdata->op_mode; - dev->tdm_slots = pdata->tdm_slots; - dev->num_serializer = pdata->num_serializer; - dev->serial_dir = pdata->serial_dir; - dev->codec_fmt = pdata->codec_fmt; - dev->version = pdata->version; - dev->txnumevt = pdata->txnumevt; - dev->rxnumevt = pdata->rxnumevt; - - dma_data = &dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK]; - dma_data->asp_chan_q = pdata->asp_chan_q; - dma_data->ram_chan_q = pdata->ram_chan_q; - dma_data->sram_size = pdata->sram_size_playback; - dma_data->dma_addr = (dma_addr_t) (pdata->tx_dma_offset + - mem->start); - - /* first TX, then RX */ - res = platform_get_resource(pdev, IORESOURCE_DMA, 0); - if (!res) { - dev_err(&pdev->dev, "no DMA resource\n"); - ret = -ENODEV; - goto err_release_clk; - } - - dma_data->channel = res->start; - - dma_data = &dev->dma_params[SNDRV_PCM_STREAM_CAPTURE]; - dma_data->asp_chan_q = pdata->asp_chan_q; - dma_data->ram_chan_q = pdata->ram_chan_q; - dma_data->sram_size = pdata->sram_size_capture; - dma_data->dma_addr = (dma_addr_t)(pdata->rx_dma_offset + - mem->start); - - res = platform_get_resource(pdev, IORESOURCE_DMA, 1); - if (!res) { - dev_err(&pdev->dev, "no DMA resource\n"); - ret = -ENODEV; - goto err_release_clk; - } - - dma_data->channel = res->start; - dev_set_drvdata(&pdev->dev, dev); - ret = snd_soc_register_dai(&pdev->dev, &davinci_mcasp_dai[pdata->op_mode]); - - if (ret != 0) - goto err_release_clk; - return 0; - -err_release_clk: - clk_disable(dev->clk); - clk_put(dev->clk); - return ret; -} - -static int davinci_mcasp_remove(struct platform_device *pdev) -{ - struct davinci_audio_dev *dev = dev_get_drvdata(&pdev->dev); - - snd_soc_unregister_dai(&pdev->dev); - clk_disable(dev->clk); - clk_put(dev->clk); - dev->clk = NULL; - - return 0; -} - -static struct platform_driver davinci_mcasp_driver = { - .probe = davinci_mcasp_probe, - .remove = davinci_mcasp_remove, - .driver = { - .name = "davinci-mcasp", - .owner = THIS_MODULE, - }, -}; - -module_platform_driver(davinci_mcasp_driver); - -MODULE_AUTHOR("Steve Chen"); -MODULE_DESCRIPTION("TI DAVINCI McASP SoC Interface"); -MODULE_LICENSE("GPL"); - diff --git a/ANDROID_3.4.5/sound/soc/davinci/davinci-mcasp.h b/ANDROID_3.4.5/sound/soc/davinci/davinci-mcasp.h deleted file mode 100644 index 4681acc6..00000000 --- a/ANDROID_3.4.5/sound/soc/davinci/davinci-mcasp.h +++ /dev/null @@ -1,59 +0,0 @@ -/* - * ALSA SoC McASP Audio Layer for TI DAVINCI processor - * - * MCASP related definitions - * - * Author: Nirmal Pandey <n-pandey@ti.com>, - * Suresh Rajashekara <suresh.r@ti.com> - * Steve Chen <schen@.mvista.com> - * - * Copyright: (C) 2009 MontaVista Software, Inc., <source@mvista.com> - * Copyright: (C) 2009 Texas Instruments, India - * - * 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 DAVINCI_MCASP_H -#define DAVINCI_MCASP_H - -#include <linux/io.h> -#include <mach/asp.h> -#include "davinci-pcm.h" - -#define DAVINCI_MCASP_RATES SNDRV_PCM_RATE_8000_96000 -#define DAVINCI_MCASP_I2S_DAI 0 -#define DAVINCI_MCASP_DIT_DAI 1 - -enum { - DAVINCI_AUDIO_WORD_8 = 0, - DAVINCI_AUDIO_WORD_12, - DAVINCI_AUDIO_WORD_16, - DAVINCI_AUDIO_WORD_20, - DAVINCI_AUDIO_WORD_24, - DAVINCI_AUDIO_WORD_32, - DAVINCI_AUDIO_WORD_28, /* This is only valid for McASP */ -}; - -struct davinci_audio_dev { - struct davinci_pcm_dma_params dma_params[2]; - void __iomem *base; - int sample_rate; - struct clk *clk; - unsigned int codec_fmt; - u8 clk_active; - - /* McASP specific data */ - int tdm_slots; - u8 op_mode; - u8 num_serializer; - u8 *serial_dir; - u8 version; - - /* McASP FIFO related */ - u8 txnumevt; - u8 rxnumevt; -}; - -#endif /* DAVINCI_MCASP_H */ diff --git a/ANDROID_3.4.5/sound/soc/davinci/davinci-pcm.c b/ANDROID_3.4.5/sound/soc/davinci/davinci-pcm.c deleted file mode 100644 index 97d77b29..00000000 --- a/ANDROID_3.4.5/sound/soc/davinci/davinci-pcm.c +++ /dev/null @@ -1,892 +0,0 @@ -/* - * ALSA PCM interface for the TI DAVINCI processor - * - * Author: Vladimir Barinov, <vbarinov@embeddedalley.com> - * Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.com> - * added SRAM ping/pong (C) 2008 Troy Kisky <troy.kisky@boundarydevices.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. - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/platform_device.h> -#include <linux/slab.h> -#include <linux/dma-mapping.h> -#include <linux/kernel.h> - -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/soc.h> - -#include <asm/dma.h> -#include <mach/edma.h> -#include <mach/sram.h> - -#include "davinci-pcm.h" - -#ifdef DEBUG -static void print_buf_info(int slot, char *name) -{ - struct edmacc_param p; - if (slot < 0) - return; - edma_read_slot(slot, &p); - printk(KERN_DEBUG "%s: 0x%x, opt=%x, src=%x, a_b_cnt=%x dst=%x\n", - name, slot, p.opt, p.src, p.a_b_cnt, p.dst); - printk(KERN_DEBUG " src_dst_bidx=%x link_bcntrld=%x src_dst_cidx=%x ccnt=%x\n", - p.src_dst_bidx, p.link_bcntrld, p.src_dst_cidx, p.ccnt); -} -#else -static void print_buf_info(int slot, char *name) -{ -} -#endif - -#define DAVINCI_PCM_FMTBITS (\ - SNDRV_PCM_FMTBIT_S8 |\ - SNDRV_PCM_FMTBIT_U8 |\ - SNDRV_PCM_FMTBIT_S16_LE |\ - SNDRV_PCM_FMTBIT_S16_BE |\ - SNDRV_PCM_FMTBIT_U16_LE |\ - SNDRV_PCM_FMTBIT_U16_BE |\ - SNDRV_PCM_FMTBIT_S24_LE |\ - SNDRV_PCM_FMTBIT_S24_BE |\ - SNDRV_PCM_FMTBIT_U24_LE |\ - SNDRV_PCM_FMTBIT_U24_BE |\ - SNDRV_PCM_FMTBIT_S32_LE |\ - SNDRV_PCM_FMTBIT_S32_BE |\ - SNDRV_PCM_FMTBIT_U32_LE |\ - SNDRV_PCM_FMTBIT_U32_BE) - -static struct snd_pcm_hardware pcm_hardware_playback = { - .info = (SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | - SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_PAUSE | SNDRV_PCM_INFO_RESUME| - SNDRV_PCM_INFO_BATCH), - .formats = DAVINCI_PCM_FMTBITS, - .rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 | - SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | - SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | - SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | - SNDRV_PCM_RATE_KNOT), - .rate_min = 8000, - .rate_max = 96000, - .channels_min = 2, - .channels_max = 384, - .buffer_bytes_max = 128 * 1024, - .period_bytes_min = 32, - .period_bytes_max = 8 * 1024, - .periods_min = 16, - .periods_max = 255, - .fifo_size = 0, -}; - -static struct snd_pcm_hardware pcm_hardware_capture = { - .info = (SNDRV_PCM_INFO_INTERLEAVED | SNDRV_PCM_INFO_BLOCK_TRANSFER | - SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID | - SNDRV_PCM_INFO_PAUSE | - SNDRV_PCM_INFO_BATCH), - .formats = DAVINCI_PCM_FMTBITS, - .rates = (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 | - SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | - SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 | - SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | - SNDRV_PCM_RATE_KNOT), - .rate_min = 8000, - .rate_max = 96000, - .channels_min = 2, - .channels_max = 384, - .buffer_bytes_max = 128 * 1024, - .period_bytes_min = 32, - .period_bytes_max = 8 * 1024, - .periods_min = 16, - .periods_max = 255, - .fifo_size = 0, -}; - -/* - * How ping/pong works.... - * - * Playback: - * ram_params - copys 2*ping_size from start of SDRAM to iram, - * links to ram_link2 - * ram_link2 - copys rest of SDRAM to iram in ping_size units, - * links to ram_link - * ram_link - copys entire SDRAM to iram in ping_size uints, - * links to self - * - * asp_params - same as asp_link[0] - * asp_link[0] - copys from lower half of iram to asp port - * links to asp_link[1], triggers iram copy event on completion - * asp_link[1] - copys from upper half of iram to asp port - * links to asp_link[0], triggers iram copy event on completion - * triggers interrupt only needed to let upper SOC levels update position - * in stream on completion - * - * When playback is started: - * ram_params started - * asp_params started - * - * Capture: - * ram_params - same as ram_link, - * links to ram_link - * ram_link - same as playback - * links to self - * - * asp_params - same as playback - * asp_link[0] - same as playback - * asp_link[1] - same as playback - * - * When capture is started: - * asp_params started - */ -struct davinci_runtime_data { - spinlock_t lock; - int period; /* current DMA period */ - int asp_channel; /* Master DMA channel */ - int asp_link[2]; /* asp parameter link channel, ping/pong */ - struct davinci_pcm_dma_params *params; /* DMA params */ - int ram_channel; - int ram_link; - int ram_link2; - struct edmacc_param asp_params; - struct edmacc_param ram_params; -}; - -static void davinci_pcm_period_elapsed(struct snd_pcm_substream *substream) -{ - struct davinci_runtime_data *prtd = substream->runtime->private_data; - struct snd_pcm_runtime *runtime = substream->runtime; - - prtd->period++; - if (unlikely(prtd->period >= runtime->periods)) - prtd->period = 0; -} - -static void davinci_pcm_period_reset(struct snd_pcm_substream *substream) -{ - struct davinci_runtime_data *prtd = substream->runtime->private_data; - - prtd->period = 0; -} -/* - * Not used with ping/pong - */ -static void davinci_pcm_enqueue_dma(struct snd_pcm_substream *substream) -{ - struct davinci_runtime_data *prtd = substream->runtime->private_data; - struct snd_pcm_runtime *runtime = substream->runtime; - unsigned int period_size; - unsigned int dma_offset; - dma_addr_t dma_pos; - dma_addr_t src, dst; - unsigned short src_bidx, dst_bidx; - unsigned short src_cidx, dst_cidx; - unsigned int data_type; - unsigned short acnt; - unsigned int count; - unsigned int fifo_level; - - period_size = snd_pcm_lib_period_bytes(substream); - dma_offset = prtd->period * period_size; - dma_pos = runtime->dma_addr + dma_offset; - fifo_level = prtd->params->fifo_level; - - pr_debug("davinci_pcm: audio_set_dma_params_play channel = %d " - "dma_ptr = %x period_size=%x\n", prtd->asp_link[0], dma_pos, - period_size); - - data_type = prtd->params->data_type; - count = period_size / data_type; - if (fifo_level) - count /= fifo_level; - - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - src = dma_pos; - dst = prtd->params->dma_addr; - src_bidx = data_type; - dst_bidx = 0; - src_cidx = data_type * fifo_level; - dst_cidx = 0; - } else { - src = prtd->params->dma_addr; - dst = dma_pos; - src_bidx = 0; - dst_bidx = data_type; - src_cidx = 0; - dst_cidx = data_type * fifo_level; - } - - acnt = prtd->params->acnt; - edma_set_src(prtd->asp_link[0], src, INCR, W8BIT); - edma_set_dest(prtd->asp_link[0], dst, INCR, W8BIT); - - edma_set_src_index(prtd->asp_link[0], src_bidx, src_cidx); - edma_set_dest_index(prtd->asp_link[0], dst_bidx, dst_cidx); - - if (!fifo_level) - edma_set_transfer_params(prtd->asp_link[0], acnt, count, 1, 0, - ASYNC); - else - edma_set_transfer_params(prtd->asp_link[0], acnt, fifo_level, - count, fifo_level, - ABSYNC); -} - -static void davinci_pcm_dma_irq(unsigned link, u16 ch_status, void *data) -{ - struct snd_pcm_substream *substream = data; - struct davinci_runtime_data *prtd = substream->runtime->private_data; - - print_buf_info(prtd->ram_channel, "i ram_channel"); - pr_debug("davinci_pcm: link=%d, status=0x%x\n", link, ch_status); - - if (unlikely(ch_status != DMA_COMPLETE)) - return; - - if (snd_pcm_running(substream)) { - spin_lock(&prtd->lock); - if (prtd->ram_channel < 0) { - /* No ping/pong must fix up link dma data*/ - davinci_pcm_enqueue_dma(substream); - } - davinci_pcm_period_elapsed(substream); - spin_unlock(&prtd->lock); - snd_pcm_period_elapsed(substream); - } -} - -static int allocate_sram(struct snd_pcm_substream *substream, unsigned size, - struct snd_pcm_hardware *ppcm) -{ - struct snd_dma_buffer *buf = &substream->dma_buffer; - struct snd_dma_buffer *iram_dma = NULL; - dma_addr_t iram_phys = 0; - void *iram_virt = NULL; - - if (buf->private_data || !size) - return 0; - - ppcm->period_bytes_max = size; - iram_virt = sram_alloc(size, &iram_phys); - if (!iram_virt) - goto exit1; - iram_dma = kzalloc(sizeof(*iram_dma), GFP_KERNEL); - if (!iram_dma) - goto exit2; - iram_dma->area = iram_virt; - iram_dma->addr = iram_phys; - memset(iram_dma->area, 0, size); - iram_dma->bytes = size; - buf->private_data = iram_dma; - return 0; -exit2: - if (iram_virt) - sram_free(iram_virt, size); -exit1: - return -ENOMEM; -} - -/* - * Only used with ping/pong. - * This is called after runtime->dma_addr, period_bytes and data_type are valid - */ -static int ping_pong_dma_setup(struct snd_pcm_substream *substream) -{ - unsigned short ram_src_cidx, ram_dst_cidx; - struct snd_pcm_runtime *runtime = substream->runtime; - struct davinci_runtime_data *prtd = runtime->private_data; - struct snd_dma_buffer *iram_dma = - (struct snd_dma_buffer *)substream->dma_buffer.private_data; - struct davinci_pcm_dma_params *params = prtd->params; - unsigned int data_type = params->data_type; - unsigned int acnt = params->acnt; - /* divide by 2 for ping/pong */ - unsigned int ping_size = snd_pcm_lib_period_bytes(substream) >> 1; - unsigned int fifo_level = prtd->params->fifo_level; - unsigned int count; - if ((data_type == 0) || (data_type > 4)) { - printk(KERN_ERR "%s: data_type=%i\n", __func__, data_type); - return -EINVAL; - } - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - dma_addr_t asp_src_pong = iram_dma->addr + ping_size; - ram_src_cidx = ping_size; - ram_dst_cidx = -ping_size; - edma_set_src(prtd->asp_link[1], asp_src_pong, INCR, W8BIT); - - edma_set_src_index(prtd->asp_link[0], data_type, - data_type * fifo_level); - edma_set_src_index(prtd->asp_link[1], data_type, - data_type * fifo_level); - - edma_set_src(prtd->ram_link, runtime->dma_addr, INCR, W32BIT); - } else { - dma_addr_t asp_dst_pong = iram_dma->addr + ping_size; - ram_src_cidx = -ping_size; - ram_dst_cidx = ping_size; - edma_set_dest(prtd->asp_link[1], asp_dst_pong, INCR, W8BIT); - - edma_set_dest_index(prtd->asp_link[0], data_type, - data_type * fifo_level); - edma_set_dest_index(prtd->asp_link[1], data_type, - data_type * fifo_level); - - edma_set_dest(prtd->ram_link, runtime->dma_addr, INCR, W32BIT); - } - - if (!fifo_level) { - count = ping_size / data_type; - edma_set_transfer_params(prtd->asp_link[0], acnt, count, - 1, 0, ASYNC); - edma_set_transfer_params(prtd->asp_link[1], acnt, count, - 1, 0, ASYNC); - } else { - count = ping_size / (data_type * fifo_level); - edma_set_transfer_params(prtd->asp_link[0], acnt, fifo_level, - count, fifo_level, ABSYNC); - edma_set_transfer_params(prtd->asp_link[1], acnt, fifo_level, - count, fifo_level, ABSYNC); - } - - edma_set_src_index(prtd->ram_link, ping_size, ram_src_cidx); - edma_set_dest_index(prtd->ram_link, ping_size, ram_dst_cidx); - edma_set_transfer_params(prtd->ram_link, ping_size, 2, - runtime->periods, 2, ASYNC); - - /* init master params */ - edma_read_slot(prtd->asp_link[0], &prtd->asp_params); - edma_read_slot(prtd->ram_link, &prtd->ram_params); - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - struct edmacc_param p_ram; - /* Copy entire iram buffer before playback started */ - prtd->ram_params.a_b_cnt = (1 << 16) | (ping_size << 1); - /* 0 dst_bidx */ - prtd->ram_params.src_dst_bidx = (ping_size << 1); - /* 0 dst_cidx */ - prtd->ram_params.src_dst_cidx = (ping_size << 1); - prtd->ram_params.ccnt = 1; - - /* Skip 1st period */ - edma_read_slot(prtd->ram_link, &p_ram); - p_ram.src += (ping_size << 1); - p_ram.ccnt -= 1; - edma_write_slot(prtd->ram_link2, &p_ram); - /* - * When 1st started, ram -> iram dma channel will fill the - * entire iram. Then, whenever a ping/pong asp buffer finishes, - * 1/2 iram will be filled. - */ - prtd->ram_params.link_bcntrld = - EDMA_CHAN_SLOT(prtd->ram_link2) << 5; - } - return 0; -} - -/* 1 asp tx or rx channel using 2 parameter channels - * 1 ram to/from iram channel using 1 parameter channel - * - * Playback - * ram copy channel kicks off first, - * 1st ram copy of entire iram buffer completion kicks off asp channel - * asp tcc always kicks off ram copy of 1/2 iram buffer - * - * Record - * asp channel starts, tcc kicks off ram copy - */ -static int request_ping_pong(struct snd_pcm_substream *substream, - struct davinci_runtime_data *prtd, - struct snd_dma_buffer *iram_dma) -{ - dma_addr_t asp_src_ping; - dma_addr_t asp_dst_ping; - int ret; - struct davinci_pcm_dma_params *params = prtd->params; - - /* Request ram master channel */ - ret = prtd->ram_channel = edma_alloc_channel(EDMA_CHANNEL_ANY, - davinci_pcm_dma_irq, substream, - prtd->params->ram_chan_q); - if (ret < 0) - goto exit1; - - /* Request ram link channel */ - ret = prtd->ram_link = edma_alloc_slot( - EDMA_CTLR(prtd->ram_channel), EDMA_SLOT_ANY); - if (ret < 0) - goto exit2; - - ret = prtd->asp_link[1] = edma_alloc_slot( - EDMA_CTLR(prtd->asp_channel), EDMA_SLOT_ANY); - if (ret < 0) - goto exit3; - - prtd->ram_link2 = -1; - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - ret = prtd->ram_link2 = edma_alloc_slot( - EDMA_CTLR(prtd->ram_channel), EDMA_SLOT_ANY); - if (ret < 0) - goto exit4; - } - /* circle ping-pong buffers */ - edma_link(prtd->asp_link[0], prtd->asp_link[1]); - edma_link(prtd->asp_link[1], prtd->asp_link[0]); - /* circle ram buffers */ - edma_link(prtd->ram_link, prtd->ram_link); - - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { - asp_src_ping = iram_dma->addr; - asp_dst_ping = params->dma_addr; /* fifo */ - } else { - asp_src_ping = params->dma_addr; /* fifo */ - asp_dst_ping = iram_dma->addr; - } - /* ping */ - edma_set_src(prtd->asp_link[0], asp_src_ping, INCR, W16BIT); - edma_set_dest(prtd->asp_link[0], asp_dst_ping, INCR, W16BIT); - edma_set_src_index(prtd->asp_link[0], 0, 0); - edma_set_dest_index(prtd->asp_link[0], 0, 0); - - edma_read_slot(prtd->asp_link[0], &prtd->asp_params); - prtd->asp_params.opt &= ~(TCCMODE | EDMA_TCC(0x3f) | TCINTEN); - prtd->asp_params.opt |= TCCHEN | - EDMA_TCC(prtd->ram_channel & 0x3f); - edma_write_slot(prtd->asp_link[0], &prtd->asp_params); - - /* pong */ - edma_set_src(prtd->asp_link[1], asp_src_ping, INCR, W16BIT); - edma_set_dest(prtd->asp_link[1], asp_dst_ping, INCR, W16BIT); - edma_set_src_index(prtd->asp_link[1], 0, 0); - edma_set_dest_index(prtd->asp_link[1], 0, 0); - - edma_read_slot(prtd->asp_link[1], &prtd->asp_params); - prtd->asp_params.opt &= ~(TCCMODE | EDMA_TCC(0x3f)); - /* interrupt after every pong completion */ - prtd->asp_params.opt |= TCINTEN | TCCHEN | - EDMA_TCC(prtd->ram_channel & 0x3f); - edma_write_slot(prtd->asp_link[1], &prtd->asp_params); - - /* ram */ - edma_set_src(prtd->ram_link, iram_dma->addr, INCR, W32BIT); - edma_set_dest(prtd->ram_link, iram_dma->addr, INCR, W32BIT); - pr_debug("%s: audio dma channels/slots in use for ram:%u %u %u," - "for asp:%u %u %u\n", __func__, - prtd->ram_channel, prtd->ram_link, prtd->ram_link2, - prtd->asp_channel, prtd->asp_link[0], - prtd->asp_link[1]); - return 0; -exit4: - edma_free_channel(prtd->asp_link[1]); - prtd->asp_link[1] = -1; -exit3: - edma_free_channel(prtd->ram_link); - prtd->ram_link = -1; -exit2: - edma_free_channel(prtd->ram_channel); - prtd->ram_channel = -1; -exit1: - return ret; -} - -static int davinci_pcm_dma_request(struct snd_pcm_substream *substream) -{ - struct snd_dma_buffer *iram_dma; - struct davinci_runtime_data *prtd = substream->runtime->private_data; - struct davinci_pcm_dma_params *params = prtd->params; - int ret; - - if (!params) - return -ENODEV; - - /* Request asp master DMA channel */ - ret = prtd->asp_channel = edma_alloc_channel(params->channel, - davinci_pcm_dma_irq, substream, - prtd->params->asp_chan_q); - if (ret < 0) - goto exit1; - - /* Request asp link channels */ - ret = prtd->asp_link[0] = edma_alloc_slot( - EDMA_CTLR(prtd->asp_channel), EDMA_SLOT_ANY); - if (ret < 0) - goto exit2; - - iram_dma = (struct snd_dma_buffer *)substream->dma_buffer.private_data; - if (iram_dma) { - if (request_ping_pong(substream, prtd, iram_dma) == 0) - return 0; - printk(KERN_WARNING "%s: dma channel allocation failed," - "not using sram\n", __func__); - } - - /* Issue transfer completion IRQ when the channel completes a - * transfer, then always reload from the same slot (by a kind - * of loopback link). The completion IRQ handler will update - * the reload slot with a new buffer. - * - * REVISIT save p_ram here after setting up everything except - * the buffer and its length (ccnt) ... use it as a template - * so davinci_pcm_enqueue_dma() takes less time in IRQ. - */ - edma_read_slot(prtd->asp_link[0], &prtd->asp_params); - prtd->asp_params.opt |= TCINTEN | - EDMA_TCC(EDMA_CHAN_SLOT(prtd->asp_channel)); - prtd->asp_params.link_bcntrld = EDMA_CHAN_SLOT(prtd->asp_link[0]) << 5; - edma_write_slot(prtd->asp_link[0], &prtd->asp_params); - return 0; -exit2: - edma_free_channel(prtd->asp_channel); - prtd->asp_channel = -1; -exit1: - return ret; -} - -static int davinci_pcm_trigger(struct snd_pcm_substream *substream, int cmd) -{ - struct davinci_runtime_data *prtd = substream->runtime->private_data; - int ret = 0; - - spin_lock(&prtd->lock); - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - edma_start(prtd->asp_channel); - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK && - prtd->ram_channel >= 0) { - /* copy 1st iram buffer */ - edma_start(prtd->ram_channel); - } - break; - case SNDRV_PCM_TRIGGER_RESUME: - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - edma_resume(prtd->asp_channel); - break; - case SNDRV_PCM_TRIGGER_STOP: - case SNDRV_PCM_TRIGGER_SUSPEND: - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - edma_pause(prtd->asp_channel); - break; - default: - ret = -EINVAL; - break; - } - - spin_unlock(&prtd->lock); - - return ret; -} - -static int davinci_pcm_prepare(struct snd_pcm_substream *substream) -{ - struct davinci_runtime_data *prtd = substream->runtime->private_data; - - davinci_pcm_period_reset(substream); - if (prtd->ram_channel >= 0) { - int ret = ping_pong_dma_setup(substream); - if (ret < 0) - return ret; - - edma_write_slot(prtd->ram_channel, &prtd->ram_params); - edma_write_slot(prtd->asp_channel, &prtd->asp_params); - - print_buf_info(prtd->ram_channel, "ram_channel"); - print_buf_info(prtd->ram_link, "ram_link"); - print_buf_info(prtd->ram_link2, "ram_link2"); - print_buf_info(prtd->asp_channel, "asp_channel"); - print_buf_info(prtd->asp_link[0], "asp_link[0]"); - print_buf_info(prtd->asp_link[1], "asp_link[1]"); - - /* - * There is a phase offset of 2 periods between the position - * used by dma setup and the position reported in the pointer - * function. - * - * The phase offset, when not using ping-pong buffers, is due to - * the two consecutive calls to davinci_pcm_enqueue_dma() below. - * - * Whereas here, with ping-pong buffers, the phase is due to - * there being an entire buffer transfer complete before the - * first dma completion event triggers davinci_pcm_dma_irq(). - */ - davinci_pcm_period_elapsed(substream); - davinci_pcm_period_elapsed(substream); - - return 0; - } - davinci_pcm_enqueue_dma(substream); - davinci_pcm_period_elapsed(substream); - - /* Copy self-linked parameter RAM entry into master channel */ - edma_read_slot(prtd->asp_link[0], &prtd->asp_params); - edma_write_slot(prtd->asp_channel, &prtd->asp_params); - davinci_pcm_enqueue_dma(substream); - davinci_pcm_period_elapsed(substream); - - return 0; -} - -static snd_pcm_uframes_t -davinci_pcm_pointer(struct snd_pcm_substream *substream) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - struct davinci_runtime_data *prtd = runtime->private_data; - unsigned int offset; - int asp_count; - unsigned int period_size = snd_pcm_lib_period_bytes(substream); - - /* - * There is a phase offset of 2 periods between the position used by dma - * setup and the position reported in the pointer function. Either +2 in - * the dma setup or -2 here in the pointer function (with wrapping, - * both) accounts for this offset -- choose the latter since it makes - * the first-time setup clearer. - */ - spin_lock(&prtd->lock); - asp_count = prtd->period - 2; - spin_unlock(&prtd->lock); - - if (asp_count < 0) - asp_count += runtime->periods; - asp_count *= period_size; - - offset = bytes_to_frames(runtime, asp_count); - if (offset >= runtime->buffer_size) - offset = 0; - - return offset; -} - -static int davinci_pcm_open(struct snd_pcm_substream *substream) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - struct davinci_runtime_data *prtd; - struct snd_pcm_hardware *ppcm; - int ret = 0; - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct davinci_pcm_dma_params *pa; - struct davinci_pcm_dma_params *params; - - pa = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream); - if (!pa) - return -ENODEV; - params = &pa[substream->stream]; - - ppcm = (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) ? - &pcm_hardware_playback : &pcm_hardware_capture; - allocate_sram(substream, params->sram_size, ppcm); - snd_soc_set_runtime_hwparams(substream, ppcm); - /* ensure that buffer size is a multiple of period size */ - ret = snd_pcm_hw_constraint_integer(runtime, - SNDRV_PCM_HW_PARAM_PERIODS); - if (ret < 0) - return ret; - - prtd = kzalloc(sizeof(struct davinci_runtime_data), GFP_KERNEL); - if (prtd == NULL) - return -ENOMEM; - - spin_lock_init(&prtd->lock); - prtd->params = params; - prtd->asp_channel = -1; - prtd->asp_link[0] = prtd->asp_link[1] = -1; - prtd->ram_channel = -1; - prtd->ram_link = -1; - prtd->ram_link2 = -1; - - runtime->private_data = prtd; - - ret = davinci_pcm_dma_request(substream); - if (ret) { - printk(KERN_ERR "davinci_pcm: Failed to get dma channels\n"); - kfree(prtd); - } - - return ret; -} - -static int davinci_pcm_close(struct snd_pcm_substream *substream) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - struct davinci_runtime_data *prtd = runtime->private_data; - - if (prtd->ram_channel >= 0) - edma_stop(prtd->ram_channel); - if (prtd->asp_channel >= 0) - edma_stop(prtd->asp_channel); - if (prtd->asp_link[0] >= 0) - edma_unlink(prtd->asp_link[0]); - if (prtd->asp_link[1] >= 0) - edma_unlink(prtd->asp_link[1]); - if (prtd->ram_link >= 0) - edma_unlink(prtd->ram_link); - - if (prtd->asp_link[0] >= 0) - edma_free_slot(prtd->asp_link[0]); - if (prtd->asp_link[1] >= 0) - edma_free_slot(prtd->asp_link[1]); - if (prtd->asp_channel >= 0) - edma_free_channel(prtd->asp_channel); - if (prtd->ram_link >= 0) - edma_free_slot(prtd->ram_link); - if (prtd->ram_link2 >= 0) - edma_free_slot(prtd->ram_link2); - if (prtd->ram_channel >= 0) - edma_free_channel(prtd->ram_channel); - - kfree(prtd); - - return 0; -} - -static int davinci_pcm_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *hw_params) -{ - return snd_pcm_lib_malloc_pages(substream, - params_buffer_bytes(hw_params)); -} - -static int davinci_pcm_hw_free(struct snd_pcm_substream *substream) -{ - return snd_pcm_lib_free_pages(substream); -} - -static int davinci_pcm_mmap(struct snd_pcm_substream *substream, - struct vm_area_struct *vma) -{ - struct snd_pcm_runtime *runtime = substream->runtime; - - return dma_mmap_writecombine(substream->pcm->card->dev, vma, - runtime->dma_area, - runtime->dma_addr, - runtime->dma_bytes); -} - -static struct snd_pcm_ops davinci_pcm_ops = { - .open = davinci_pcm_open, - .close = davinci_pcm_close, - .ioctl = snd_pcm_lib_ioctl, - .hw_params = davinci_pcm_hw_params, - .hw_free = davinci_pcm_hw_free, - .prepare = davinci_pcm_prepare, - .trigger = davinci_pcm_trigger, - .pointer = davinci_pcm_pointer, - .mmap = davinci_pcm_mmap, -}; - -static int davinci_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream, - size_t size) -{ - struct snd_pcm_substream *substream = pcm->streams[stream].substream; - struct snd_dma_buffer *buf = &substream->dma_buffer; - - buf->dev.type = SNDRV_DMA_TYPE_DEV; - buf->dev.dev = pcm->card->dev; - buf->private_data = NULL; - buf->area = dma_alloc_writecombine(pcm->card->dev, size, - &buf->addr, GFP_KERNEL); - - pr_debug("davinci_pcm: preallocate_dma_buffer: area=%p, addr=%p, " - "size=%d\n", (void *) buf->area, (void *) buf->addr, size); - - if (!buf->area) - return -ENOMEM; - - buf->bytes = size; - return 0; -} - -static void davinci_pcm_free(struct snd_pcm *pcm) -{ - struct snd_pcm_substream *substream; - struct snd_dma_buffer *buf; - int stream; - - for (stream = 0; stream < 2; stream++) { - struct snd_dma_buffer *iram_dma; - substream = pcm->streams[stream].substream; - if (!substream) - continue; - - buf = &substream->dma_buffer; - if (!buf->area) - continue; - - dma_free_writecombine(pcm->card->dev, buf->bytes, - buf->area, buf->addr); - buf->area = NULL; - iram_dma = buf->private_data; - if (iram_dma) { - sram_free(iram_dma->area, iram_dma->bytes); - kfree(iram_dma); - } - } -} - -static u64 davinci_pcm_dmamask = DMA_BIT_MASK(32); - -static int davinci_pcm_new(struct snd_soc_pcm_runtime *rtd) -{ - struct snd_card *card = rtd->card->snd_card; - struct snd_pcm *pcm = rtd->pcm; - int ret; - - if (!card->dev->dma_mask) - card->dev->dma_mask = &davinci_pcm_dmamask; - if (!card->dev->coherent_dma_mask) - card->dev->coherent_dma_mask = DMA_BIT_MASK(32); - - if (pcm->streams[SNDRV_PCM_STREAM_PLAYBACK].substream) { - ret = davinci_pcm_preallocate_dma_buffer(pcm, - SNDRV_PCM_STREAM_PLAYBACK, - pcm_hardware_playback.buffer_bytes_max); - if (ret) - return ret; - } - - if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) { - ret = davinci_pcm_preallocate_dma_buffer(pcm, - SNDRV_PCM_STREAM_CAPTURE, - pcm_hardware_capture.buffer_bytes_max); - if (ret) - return ret; - } - - return 0; -} - -static struct snd_soc_platform_driver davinci_soc_platform = { - .ops = &davinci_pcm_ops, - .pcm_new = davinci_pcm_new, - .pcm_free = davinci_pcm_free, -}; - -static int __devinit davinci_soc_platform_probe(struct platform_device *pdev) -{ - return snd_soc_register_platform(&pdev->dev, &davinci_soc_platform); -} - -static int __devexit davinci_soc_platform_remove(struct platform_device *pdev) -{ - snd_soc_unregister_platform(&pdev->dev); - return 0; -} - -static struct platform_driver davinci_pcm_driver = { - .driver = { - .name = "davinci-pcm-audio", - .owner = THIS_MODULE, - }, - - .probe = davinci_soc_platform_probe, - .remove = __devexit_p(davinci_soc_platform_remove), -}; - -module_platform_driver(davinci_pcm_driver); - -MODULE_AUTHOR("Vladimir Barinov"); -MODULE_DESCRIPTION("TI DAVINCI PCM DMA module"); -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/sound/soc/davinci/davinci-pcm.h b/ANDROID_3.4.5/sound/soc/davinci/davinci-pcm.h deleted file mode 100644 index c0d6c9be..00000000 --- a/ANDROID_3.4.5/sound/soc/davinci/davinci-pcm.h +++ /dev/null @@ -1,31 +0,0 @@ -/* - * ALSA PCM interface for the TI DAVINCI processor - * - * Author: Vladimir Barinov, <vbarinov@embeddedalley.com> - * Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.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. - */ - -#ifndef _DAVINCI_PCM_H -#define _DAVINCI_PCM_H - -#include <mach/edma.h> -#include <mach/asp.h> - - -struct davinci_pcm_dma_params { - int channel; /* sync dma channel ID */ - unsigned short acnt; - dma_addr_t dma_addr; /* device physical address for DMA */ - unsigned sram_size; - enum dma_event_q asp_chan_q; /* event queue number for ASP channel */ - enum dma_event_q ram_chan_q; /* event queue number for RAM channel */ - unsigned char data_type; /* xfer data type */ - unsigned char convert_mono_stereo; - unsigned int fifo_level; -}; - -#endif diff --git a/ANDROID_3.4.5/sound/soc/davinci/davinci-sffsdr.c b/ANDROID_3.4.5/sound/soc/davinci/davinci-sffsdr.c deleted file mode 100644 index f71175b2..00000000 --- a/ANDROID_3.4.5/sound/soc/davinci/davinci-sffsdr.c +++ /dev/null @@ -1,181 +0,0 @@ -/* - * ASoC driver for Lyrtech SFFSDR board. - * - * Author: Hugo Villeneuve - * Copyright (C) 2008 Lyrtech inc - * - * Based on ASoC driver for TI DAVINCI EVM platform, original copyright follow: - * Copyright: (C) 2007 MontaVista Software, Inc., <source@mvista.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. - */ - -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/timer.h> -#include <linux/interrupt.h> -#include <linux/platform_device.h> -#include <linux/gpio.h> -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/soc.h> - -#include <asm/dma.h> -#include <asm/mach-types.h> -#ifdef CONFIG_SFFSDR_FPGA -#include <asm/plat-sffsdr/sffsdr-fpga.h> -#endif - -#include <mach/edma.h> - -#include "../codecs/pcm3008.h" -#include "davinci-pcm.h" -#include "davinci-i2s.h" - -/* - * CLKX and CLKR are the inputs for the Sample Rate Generator. - * FSX and FSR are outputs, driven by the sample Rate Generator. - */ -#define AUDIO_FORMAT (SND_SOC_DAIFMT_DSP_B | \ - SND_SOC_DAIFMT_CBM_CFS | \ - SND_SOC_DAIFMT_IB_NF) - -static int sffsdr_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 *cpu_dai = rtd->cpu_dai; - int fs; - int ret = 0; - - /* Fsref can be 32000, 44100 or 48000. */ - fs = params_rate(params); - -#ifndef CONFIG_SFFSDR_FPGA - /* Without the FPGA module, the Fs is fixed at 44100 Hz */ - if (fs != 44100) { - pr_debug("warning: only 44.1 kHz is supported without SFFSDR FPGA module\n"); - return -EINVAL; - } -#endif - - /* set cpu DAI configuration */ - ret = snd_soc_dai_set_fmt(cpu_dai, AUDIO_FORMAT); - if (ret < 0) - return ret; - - pr_debug("sffsdr_hw_params: rate = %d Hz\n", fs); - -#ifndef CONFIG_SFFSDR_FPGA - return 0; -#else - return sffsdr_fpga_set_codec_fs(fs); -#endif -} - -static struct snd_soc_ops sffsdr_ops = { - .hw_params = sffsdr_hw_params, -}; - -/* davinci-sffsdr digital audio interface glue - connects codec <--> CPU */ -static struct snd_soc_dai_link sffsdr_dai = { - .name = "PCM3008", /* Codec name */ - .stream_name = "PCM3008 HiFi", - .cpu_dai_name = "davinci-mcbsp", - .codec_dai_name = "pcm3008-hifi", - .codec_name = "pcm3008-codec", - .platform_name = "davinci-pcm-audio", - .ops = &sffsdr_ops, -}; - -/* davinci-sffsdr audio machine driver */ -static struct snd_soc_card snd_soc_sffsdr = { - .name = "DaVinci SFFSDR", - .owner = THIS_MODULE, - .dai_link = &sffsdr_dai, - .num_links = 1, -}; - -/* sffsdr audio private data */ -static struct pcm3008_setup_data sffsdr_pcm3008_setup = { - .dem0_pin = GPIO(45), - .dem1_pin = GPIO(46), - .pdad_pin = GPIO(47), - .pdda_pin = GPIO(38), -}; - -struct platform_device pcm3008_codec = { - .name = "pcm3008-codec", - .id = 0, - .dev = { - .platform_data = &sffsdr_pcm3008_setup, - }, -}; - -static struct resource sffsdr_snd_resources[] = { - { - .start = DAVINCI_MCBSP_BASE, - .end = DAVINCI_MCBSP_BASE + SZ_8K - 1, - .flags = IORESOURCE_MEM, - }, -}; - -static struct evm_snd_platform_data sffsdr_snd_data = { - .tx_dma_ch = DAVINCI_DMA_MCBSP_TX, - .rx_dma_ch = DAVINCI_DMA_MCBSP_RX, -}; - -static struct platform_device *sffsdr_snd_device; - -static int __init sffsdr_init(void) -{ - int ret; - - if (!machine_is_sffsdr()) - return -EINVAL; - - platform_device_register(&pcm3008_codec); - - sffsdr_snd_device = platform_device_alloc("soc-audio", 0); - if (!sffsdr_snd_device) { - printk(KERN_ERR "platform device allocation failed\n"); - return -ENOMEM; - } - - platform_set_drvdata(sffsdr_snd_device, &snd_soc_sffsdr); - platform_device_add_data(sffsdr_snd_device, &sffsdr_snd_data, - sizeof(sffsdr_snd_data)); - - ret = platform_device_add_resources(sffsdr_snd_device, - sffsdr_snd_resources, - ARRAY_SIZE(sffsdr_snd_resources)); - if (ret) { - printk(KERN_ERR "platform device add resources failed\n"); - goto error; - } - - ret = platform_device_add(sffsdr_snd_device); - if (ret) - goto error; - - return ret; - -error: - platform_device_put(sffsdr_snd_device); - return ret; -} - -static void __exit sffsdr_exit(void) -{ - platform_device_unregister(sffsdr_snd_device); - platform_device_unregister(&pcm3008_codec); -} - -module_init(sffsdr_init); -module_exit(sffsdr_exit); - -MODULE_AUTHOR("Hugo Villeneuve"); -MODULE_DESCRIPTION("Lyrtech SFFSDR ASoC driver"); -MODULE_LICENSE("GPL"); diff --git a/ANDROID_3.4.5/sound/soc/davinci/davinci-vcif.c b/ANDROID_3.4.5/sound/soc/davinci/davinci-vcif.c deleted file mode 100644 index da030ff8..00000000 --- a/ANDROID_3.4.5/sound/soc/davinci/davinci-vcif.c +++ /dev/null @@ -1,266 +0,0 @@ -/* - * ALSA SoC Voice Codec Interface for TI DAVINCI processor - * - * Copyright (C) 2010 Texas Instruments. - * - * Author: Miguel Aguilar <miguel.aguilar@ridgerun.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#include <linux/init.h> -#include <linux/module.h> -#include <linux/device.h> -#include <linux/delay.h> -#include <linux/slab.h> -#include <linux/io.h> -#include <linux/mfd/davinci_voicecodec.h> - -#include <sound/core.h> -#include <sound/pcm.h> -#include <sound/pcm_params.h> -#include <sound/initval.h> -#include <sound/soc.h> - -#include "davinci-pcm.h" -#include "davinci-i2s.h" - -#define MOD_REG_BIT(val, mask, set) do { \ - if (set) { \ - val |= mask; \ - } else { \ - val &= ~mask; \ - } \ -} while (0) - -struct davinci_vcif_dev { - struct davinci_vc *davinci_vc; - struct davinci_pcm_dma_params dma_params[2]; -}; - -static void davinci_vcif_start(struct snd_pcm_substream *substream) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct davinci_vcif_dev *davinci_vcif_dev = - snd_soc_dai_get_drvdata(rtd->cpu_dai); - struct davinci_vc *davinci_vc = davinci_vcif_dev->davinci_vc; - u32 w; - - /* Start the sample generator and enable transmitter/receiver */ - w = readl(davinci_vc->base + DAVINCI_VC_CTRL); - - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTDAC, 0); - else - MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTADC, 0); - - writel(w, davinci_vc->base + DAVINCI_VC_CTRL); -} - -static void davinci_vcif_stop(struct snd_pcm_substream *substream) -{ - struct snd_soc_pcm_runtime *rtd = substream->private_data; - struct davinci_vcif_dev *davinci_vcif_dev = - snd_soc_dai_get_drvdata(rtd->cpu_dai); - struct davinci_vc *davinci_vc = davinci_vcif_dev->davinci_vc; - u32 w; - - /* Reset transmitter/receiver and sample rate/frame sync generators */ - w = readl(davinci_vc->base + DAVINCI_VC_CTRL); - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) - MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTDAC, 1); - else - MOD_REG_BIT(w, DAVINCI_VC_CTRL_RSTADC, 1); - - writel(w, davinci_vc->base + DAVINCI_VC_CTRL); -} - -static int davinci_vcif_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params, - struct snd_soc_dai *dai) -{ - struct davinci_vcif_dev *davinci_vcif_dev = snd_soc_dai_get_drvdata(dai); - struct davinci_vc *davinci_vc = davinci_vcif_dev->davinci_vc; - struct davinci_pcm_dma_params *dma_params = - &davinci_vcif_dev->dma_params[substream->stream]; - u32 w; - - /* Restart the codec before setup */ - davinci_vcif_stop(substream); - davinci_vcif_start(substream); - - /* General line settings */ - writel(DAVINCI_VC_CTRL_MASK, davinci_vc->base + DAVINCI_VC_CTRL); - - writel(DAVINCI_VC_INT_MASK, davinci_vc->base + DAVINCI_VC_INTCLR); - - writel(DAVINCI_VC_INT_MASK, davinci_vc->base + DAVINCI_VC_INTEN); - - w = readl(davinci_vc->base + DAVINCI_VC_CTRL); - - /* Determine xfer data type */ - switch (params_format(params)) { - case SNDRV_PCM_FORMAT_U8: - dma_params->data_type = 0; - - MOD_REG_BIT(w, DAVINCI_VC_CTRL_RD_BITS_8 | - DAVINCI_VC_CTRL_RD_UNSIGNED | - DAVINCI_VC_CTRL_WD_BITS_8 | - DAVINCI_VC_CTRL_WD_UNSIGNED, 1); - break; - case SNDRV_PCM_FORMAT_S8: - dma_params->data_type = 1; - - MOD_REG_BIT(w, DAVINCI_VC_CTRL_RD_BITS_8 | - DAVINCI_VC_CTRL_WD_BITS_8, 1); - - MOD_REG_BIT(w, DAVINCI_VC_CTRL_RD_UNSIGNED | - DAVINCI_VC_CTRL_WD_UNSIGNED, 0); - break; - case SNDRV_PCM_FORMAT_S16_LE: - dma_params->data_type = 2; - - MOD_REG_BIT(w, DAVINCI_VC_CTRL_RD_BITS_8 | - DAVINCI_VC_CTRL_RD_UNSIGNED | - DAVINCI_VC_CTRL_WD_BITS_8 | - DAVINCI_VC_CTRL_WD_UNSIGNED, 0); - break; - default: - printk(KERN_WARNING "davinci-vcif: unsupported PCM format"); - return -EINVAL; - } - - dma_params->acnt = dma_params->data_type; - - writel(w, davinci_vc->base + DAVINCI_VC_CTRL); - - return 0; -} - -static int davinci_vcif_trigger(struct snd_pcm_substream *substream, int cmd, - struct snd_soc_dai *dai) -{ - int ret = 0; - - switch (cmd) { - case SNDRV_PCM_TRIGGER_START: - case SNDRV_PCM_TRIGGER_RESUME: - case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: - davinci_vcif_start(substream); - break; - case SNDRV_PCM_TRIGGER_STOP: - case SNDRV_PCM_TRIGGER_SUSPEND: - case SNDRV_PCM_TRIGGER_PAUSE_PUSH: - davinci_vcif_stop(substream); - break; - default: - ret = -EINVAL; - } - - return ret; -} - -static int davinci_vcif_startup(struct snd_pcm_substream *substream, - struct snd_soc_dai *dai) -{ - struct davinci_vcif_dev *dev = snd_soc_dai_get_drvdata(dai); - - snd_soc_dai_set_dma_data(dai, substream, dev->dma_params); - return 0; -} - -#define DAVINCI_VCIF_RATES SNDRV_PCM_RATE_8000_48000 - -static const struct snd_soc_dai_ops davinci_vcif_dai_ops = { - .startup = davinci_vcif_startup, - .trigger = davinci_vcif_trigger, - .hw_params = davinci_vcif_hw_params, -}; - -static struct snd_soc_dai_driver davinci_vcif_dai = { - .playback = { - .channels_min = 1, - .channels_max = 2, - .rates = DAVINCI_VCIF_RATES, - .formats = SNDRV_PCM_FMTBIT_S16_LE,}, - .capture = { - .channels_min = 1, - .channels_max = 2, - .rates = DAVINCI_VCIF_RATES, - .formats = SNDRV_PCM_FMTBIT_S16_LE,}, - .ops = &davinci_vcif_dai_ops, - -}; - -static int davinci_vcif_probe(struct platform_device *pdev) -{ - struct davinci_vc *davinci_vc = pdev->dev.platform_data; - struct davinci_vcif_dev *davinci_vcif_dev; - int ret; - - davinci_vcif_dev = devm_kzalloc(&pdev->dev, - sizeof(struct davinci_vcif_dev), - GFP_KERNEL); - if (!davinci_vcif_dev) { - dev_dbg(&pdev->dev, - "could not allocate memory for private data\n"); - return -ENOMEM; - } - - /* DMA tx params */ - davinci_vcif_dev->davinci_vc = davinci_vc; - davinci_vcif_dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK].channel = - davinci_vc->davinci_vcif.dma_tx_channel; - davinci_vcif_dev->dma_params[SNDRV_PCM_STREAM_PLAYBACK].dma_addr = - davinci_vc->davinci_vcif.dma_tx_addr; - - /* DMA rx params */ - davinci_vcif_dev->dma_params[SNDRV_PCM_STREAM_CAPTURE].channel = - davinci_vc->davinci_vcif.dma_rx_channel; - davinci_vcif_dev->dma_params[SNDRV_PCM_STREAM_CAPTURE].dma_addr = - davinci_vc->davinci_vcif.dma_rx_addr; - - dev_set_drvdata(&pdev->dev, davinci_vcif_dev); - - ret = snd_soc_register_dai(&pdev->dev, &davinci_vcif_dai); - if (ret != 0) { - dev_err(&pdev->dev, "could not register dai\n"); - return ret; - } - - return 0; -} - -static int davinci_vcif_remove(struct platform_device *pdev) -{ - snd_soc_unregister_dai(&pdev->dev); - - return 0; -} - -static struct platform_driver davinci_vcif_driver = { - .probe = davinci_vcif_probe, - .remove = davinci_vcif_remove, - .driver = { - .name = "davinci-vcif", - .owner = THIS_MODULE, - }, -}; - -module_platform_driver(davinci_vcif_driver); - -MODULE_AUTHOR("Miguel Aguilar"); -MODULE_DESCRIPTION("Texas Instruments DaVinci ASoC Voice Codec Interface"); -MODULE_LICENSE("GPL"); |