Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (348 commits) ALSA: hda - Fix NULL-derefence with a single mic in STAC auto-mic detection ALSA: hda - Add missing NID 0x19 fixup for Sony VAIO ALSA: hda - Fix ALC275 enable hardware EQ for SONY VAIO ALSA: oxygen: fix Xonar DG input ALSA: hda - Fix EAPD on Lenovo NB ALC269 to low ALSA: hda - Fix missing EAPD for Acer 4930G ALSA: hda: Disable 4/6 channels on some NVIDIA GPUs. ALSA: hda - Add static_hdmi_pcm option to HDMI codec parser ALSA: hda - Don't refer ELD when unplugged ASoC: tpa6130a2: Fix compiler warning ASoC: tlv320dac33: Add DAPM selection for LOM invert ASoC: DMIC codec: Adding a generic DMIC codec ALSA: snd-usb-us122l: Fix missing NULL checks ALSA: snd-usb-us122l: Fix MIDI output ASoC: soc-cache: Fix invalid memory access during snd_soc_lzo_cache_sync() ASoC: Fix section mismatch in wm8995.c ALSA: oxygen: add S/PDIF source selection for Claro cards ALSA: oxygen: fix CD/MIDI for X-Meridian (2G) ASoC: fix migor audio build ALSA: include delay.h for msleep in Xonar DG support ...
author: Linus Torvalds <torvalds@linux-foundation.org> 2011-01-13 10:32:54 -0800
committer: Linus Torvalds <torvalds@linux-foundation.org> 2011-01-13 10:32:54 -0800
commit: 66dc918d42eaaa9afe42a47d07526765162017a9 (patch)
tree: 947411841773dfb076f1aa78bc5be868bc4281a6 /sound/soc/samsung
parent: b2034d474b7e1e8578bd5c2977024b51693269d9 (diff)
parent: 6db9a0f326d3144d790d9479309df480a8f562e4 (diff)
38 files changed, 10222 insertions, 0 deletions
diff --git a/sound/soc/samsung/Kconfig b/sound/soc/samsung/Kconfig
new file mode 100644
index 00000000000..a6a6b5fa2f2
--- /dev/null
+++ b/sound/soc/samsung/Kconfig
@@ -0,0 +1,171 @@
+config SND_SOC_SAMSUNG
+	tristate "ASoC support for Samsung"
+	depends on ARCH_S3C2410 || ARCH_S3C64XX || ARCH_S5PC100 || ARCH_S5PV210 || ARCH_S5P64X0 || ARCH_S5P6442 || ARCH_S5PV310
+	select S3C64XX_DMA if ARCH_S3C64XX
+	select S3C2410_DMA if ARCH_S3C2410
+	help
+	  Say Y or M if you want to add support for codecs attached to
+	  the Samsung SoCs' Audio interfaces. You will also need to
+	  select the audio interfaces to support below.
+
+config SND_S3C24XX_I2S
+	tristate
+	select S3C2410_DMA
+
+config SND_S3C_I2SV2_SOC
+	tristate
+
+config SND_S3C2412_SOC_I2S
+	tristate
+	select SND_S3C_I2SV2_SOC
+	select S3C2410_DMA
+
+config SND_SAMSUNG_PCM
+	tristate
+
+config SND_SAMSUNG_AC97
+	tristate
+	select SND_SOC_AC97_BUS
+
+config SND_SAMSUNG_SPDIF
+	tristate
+	select SND_SOC_SPDIF
+
+config SND_SAMSUNG_I2S
+	tristate
+
+config SND_SOC_SAMSUNG_NEO1973_WM8753
+	tristate "SoC I2S Audio support for NEO1973 - WM8753"
+	depends on SND_SOC_SAMSUNG && MACH_NEO1973_GTA01
+	select SND_S3C24XX_I2S
+	select SND_SOC_WM8753
+	help
+	  Say Y if you want to add support for SoC audio on smdk2440
+	  with the WM8753.
+
+config SND_SOC_SAMSUNG_NEO1973_GTA02_WM8753
+	tristate "Audio support for the Openmoko Neo FreeRunner (GTA02)"
+	depends on SND_SOC_SAMSUNG && MACH_NEO1973_GTA02
+	select SND_S3C24XX_I2S
+	select SND_SOC_WM8753
+	help
+	  This driver provides audio support for the Openmoko Neo FreeRunner
+	  smartphone.
+	  
+config SND_SOC_SAMSUNG_JIVE_WM8750
+	tristate "SoC I2S Audio support for Jive"
+	depends on SND_SOC_SAMSUNG && MACH_JIVE
+	select SND_SOC_WM8750
+	select SND_S3C2412_SOC_I2S
+	help
+	  Sat Y if you want to add support for SoC audio on the Jive.
+
+config SND_SOC_SAMSUNG_SMDK_WM8580
+	tristate "SoC I2S Audio support for WM8580 on SMDK"
+	depends on SND_SOC_SAMSUNG && (MACH_SMDK6410 || MACH_SMDKC100 || MACH_SMDK6440 || MACH_SMDK6450 || MACH_SMDK6442 || MACH_SMDKV210 || MACH_SMDKC110)
+	select SND_SOC_WM8580
+	select SND_SAMSUNG_I2S
+	help
+	  Say Y if you want to add support for SoC audio on the SMDKs.
+
+config SND_SOC_SAMSUNG_SMDK_WM8994
+	tristate "SoC I2S Audio support for WM8994 on SMDK"
+	depends on SND_SOC_SAMSUNG && (MACH_SMDKV310 || MACH_SMDKC210)
+	select SND_SOC_WM8994
+	select SND_SAMSUNG_I2S
+	help
+		Say Y if you want to add support for SoC audio on the SMDKs.
+
+config SND_SOC_SAMSUNG_SMDK2443_WM9710
+	tristate "SoC AC97 Audio support for SMDK2443 - WM9710"
+	depends on SND_SOC_SAMSUNG && MACH_SMDK2443
+	select S3C2410_DMA
+	select AC97_BUS
+	select SND_SOC_AC97_CODEC
+	select SND_SAMSUNG_AC97
+	help
+	  Say Y if you want to add support for SoC audio on smdk2443
+	  with the WM9710.
+
+config SND_SOC_SAMSUNG_LN2440SBC_ALC650
+	tristate "SoC AC97 Audio support for LN2440SBC - ALC650"
+	depends on SND_SOC_SAMSUNG && ARCH_S3C2410
+	select S3C2410_DMA
+	select AC97_BUS
+	select SND_SOC_AC97_CODEC
+	select SND_SAMSUNG_AC97
+	help
+	  Say Y if you want to add support for SoC audio on ln2440sbc
+	  with the ALC650.
+
+config SND_SOC_SAMSUNG_S3C24XX_UDA134X
+	tristate "SoC I2S Audio support UDA134X wired to a S3C24XX"
+	depends on SND_SOC_SAMSUNG && ARCH_S3C2410
+	select SND_S3C24XX_I2S
+	select SND_SOC_L3
+	select SND_SOC_UDA134X
+
+config SND_SOC_SAMSUNG_SIMTEC
+	tristate
+	help
+	  Internal node for common S3C24XX/Simtec suppor
+
+config SND_SOC_SAMSUNG_SIMTEC_TLV320AIC23
+	tristate "SoC I2S Audio support for TLV320AIC23 on Simtec boards"
+	depends on SND_SOC_SAMSUNG && ARCH_S3C2410
+	select SND_S3C24XX_I2S
+	select SND_SOC_TLV320AIC23
+	select SND_SOC_SAMSUNG_SIMTEC
+
+config SND_SOC_SAMSUNG_SIMTEC_HERMES
+	tristate "SoC I2S Audio support for Simtec Hermes board"
+	depends on SND_SOC_SAMSUNG && ARCH_S3C2410
+	select SND_S3C24XX_I2S
+	select SND_SOC_TLV320AIC3X
+	select SND_SOC_SAMSUNG_SIMTEC
+
+config SND_SOC_SAMSUNG_H1940_UDA1380
+	tristate "Audio support for the HP iPAQ H1940"
+	depends on SND_SOC_SAMSUNG && ARCH_H1940
+	select SND_S3C24XX_I2S
+	select SND_SOC_UDA1380
+	help
+	  This driver provides audio support for HP iPAQ h1940 PDA.
+
+config SND_SOC_SAMSUNG_RX1950_UDA1380
+	tristate "Audio support for the HP iPAQ RX1950"
+	depends on SND_SOC_SAMSUNG && MACH_RX1950
+	select SND_S3C24XX_I2S
+	select SND_SOC_UDA1380
+	help
+	  This driver provides audio support for HP iPAQ RX1950 PDA.
+
+config SND_SOC_SAMSUNG_SMDK_WM9713
+	tristate "SoC AC97 Audio support for SMDK with WM9713"
+	depends on SND_SOC_SAMSUNG && (MACH_SMDK6410 || MACH_SMDKC100 || MACH_SMDKV210 || MACH_SMDKC110 || MACH_SMDKV310 || MACH_SMDKC210)
+	select SND_SOC_WM9713
+	select SND_SAMSUNG_AC97
+	help
+	  Sat Y if you want to add support for SoC audio on the SMDK.
+
+config SND_SOC_SMARTQ
+	tristate "SoC I2S Audio support for SmartQ board"
+	depends on SND_SOC_SAMSUNG && MACH_SMARTQ
+	select SND_SAMSUNG_I2S
+	select SND_SOC_WM8750
+
+config SND_SOC_GONI_AQUILA_WM8994
+	tristate "SoC I2S Audio support for AQUILA/GONI - WM8994"
+	depends on SND_SOC_SAMSUNG && (MACH_GONI || MACH_AQUILA)
+	select SND_SAMSUNG_I2S
+	select SND_SOC_WM8994
+	help
+	  Say Y if you want to add support for SoC audio on goni or aquila
+	  with the WM8994.
+
+config SND_SOC_SAMSUNG_SMDK_SPDIF
+	tristate "SoC S/PDIF Audio support for SMDK"
+	depends on SND_SOC_SAMSUNG && (MACH_SMDKC100 || MACH_SMDKC110 || MACH_SMDKV210)
+	select SND_SAMSUNG_SPDIF
+	help
+	  Say Y if you want to add support for SoC S/PDIF audio on the SMDK.
diff --git a/sound/soc/samsung/Makefile b/sound/soc/samsung/Makefile
new file mode 100644
index 00000000000..705d4e8a672
--- /dev/null
+++ b/sound/soc/samsung/Makefile
@@ -0,0 +1,55 @@
+# S3c24XX Platform Support
+snd-soc-s3c24xx-objs := dma.o
+snd-soc-s3c24xx-i2s-objs := s3c24xx-i2s.o
+snd-soc-s3c2412-i2s-objs := s3c2412-i2s.o
+snd-soc-ac97-objs := ac97.o
+snd-soc-s3c-i2s-v2-objs := s3c-i2s-v2.o
+snd-soc-samsung-spdif-objs := spdif.o
+snd-soc-pcm-objs := pcm.o
+snd-soc-i2s-objs := i2s.o
+
+obj-$(CONFIG_SND_SOC_SAMSUNG) += snd-soc-s3c24xx.o
+obj-$(CONFIG_SND_S3C24XX_I2S) += snd-soc-s3c24xx-i2s.o
+obj-$(CONFIG_SND_SAMSUNG_AC97) += snd-soc-ac97.o
+obj-$(CONFIG_SND_S3C2412_SOC_I2S) += snd-soc-s3c2412-i2s.o
+obj-$(CONFIG_SND_S3C_I2SV2_SOC) += snd-soc-s3c-i2s-v2.o
+obj-$(CONFIG_SND_SAMSUNG_SPDIF) += snd-soc-samsung-spdif.o
+obj-$(CONFIG_SND_SAMSUNG_PCM) += snd-soc-pcm.o
+obj-$(CONFIG_SND_SAMSUNG_I2S) += snd-soc-i2s.o
+
+# S3C24XX Machine Support
+snd-soc-jive-wm8750-objs := jive_wm8750.o
+snd-soc-neo1973-wm8753-objs := neo1973_wm8753.o
+snd-soc-neo1973-gta02-wm8753-objs := neo1973_gta02_wm8753.o
+snd-soc-smdk2443-wm9710-objs := smdk2443_wm9710.o
+snd-soc-ln2440sbc-alc650-objs := ln2440sbc_alc650.o
+snd-soc-s3c24xx-uda134x-objs := s3c24xx_uda134x.o
+snd-soc-s3c24xx-simtec-objs := s3c24xx_simtec.o
+snd-soc-s3c24xx-simtec-hermes-objs := s3c24xx_simtec_hermes.o
+snd-soc-s3c24xx-simtec-tlv320aic23-objs := s3c24xx_simtec_tlv320aic23.o
+snd-soc-h1940-uda1380-objs := h1940_uda1380.o
+snd-soc-rx1950-uda1380-objs := rx1950_uda1380.o
+snd-soc-smdk-wm8580-objs := smdk_wm8580.o
+snd-soc-smdk-wm8994-objs := smdk_wm8994.o
+snd-soc-smdk-wm9713-objs := smdk_wm9713.o
+snd-soc-s3c64xx-smartq-wm8987-objs := smartq_wm8987.o
+snd-soc-goni-wm8994-objs := goni_wm8994.o
+snd-soc-smdk-spdif-objs := smdk_spdif.o
+
+obj-$(CONFIG_SND_SOC_SAMSUNG_JIVE_WM8750) += snd-soc-jive-wm8750.o
+obj-$(CONFIG_SND_SOC_SAMSUNG_NEO1973_WM8753) += snd-soc-neo1973-wm8753.o
+obj-$(CONFIG_SND_SOC_SAMSUNG_NEO1973_GTA02_WM8753) += snd-soc-neo1973-gta02-wm8753.o
+obj-$(CONFIG_SND_SOC_SAMSUNG_SMDK2443_WM9710) += snd-soc-smdk2443-wm9710.o
+obj-$(CONFIG_SND_SOC_SAMSUNG_LN2440SBC_ALC650) += snd-soc-ln2440sbc-alc650.o
+obj-$(CONFIG_SND_SOC_SAMSUNG_S3C24XX_UDA134X) += snd-soc-s3c24xx-uda134x.o
+obj-$(CONFIG_SND_SOC_SAMSUNG_SIMTEC) += snd-soc-s3c24xx-simtec.o
+obj-$(CONFIG_SND_SOC_SAMSUNG_SIMTEC_HERMES) += snd-soc-s3c24xx-simtec-hermes.o
+obj-$(CONFIG_SND_SOC_SAMSUNG_SIMTEC_TLV320AIC23) += snd-soc-s3c24xx-simtec-tlv320aic23.o
+obj-$(CONFIG_SND_SOC_SAMSUNG_H1940_UDA1380) += snd-soc-h1940-uda1380.o
+obj-$(CONFIG_SND_SOC_SAMSUNG_RX1950_UDA1380) += snd-soc-rx1950-uda1380.o
+obj-$(CONFIG_SND_SOC_SAMSUNG_SMDK_WM8580) += snd-soc-smdk-wm8580.o
+obj-$(CONFIG_SND_SOC_SAMSUNG_SMDK_WM8994) += snd-soc-smdk-wm8994.o
+obj-$(CONFIG_SND_SOC_SAMSUNG_SMDK_WM9713) += snd-soc-smdk-wm9713.o
+obj-$(CONFIG_SND_SOC_SMARTQ) += snd-soc-s3c64xx-smartq-wm8987.o
+obj-$(CONFIG_SND_SOC_SAMSUNG_SMDK_SPDIF) += snd-soc-smdk-spdif.o
+obj-$(CONFIG_SND_SOC_GONI_AQUILA_WM8994) += snd-soc-goni-wm8994.o
diff --git a/sound/soc/samsung/ac97.c b/sound/soc/samsung/ac97.c
new file mode 100644
index 00000000000..4770a955034
--- /dev/null
+++ b/sound/soc/samsung/ac97.c
@@ -0,0 +1,520 @@
+/* sound/soc/samsung/ac97.c
+ *
+ * ALSA SoC Audio Layer - S3C AC97 Controller driver
+ * 	Evolved from s3c2443-ac97.c
+ *
+ * Copyright (c) 2010 Samsung Electronics Co. Ltd
+ * 	Author: Jaswinder Singh <jassi.brar@samsung.com>
+ * 	Credits: Graeme Gregory, Sean Choi
+ *
+ * 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/io.h>
+#include <linux/delay.h>
+#include <linux/clk.h>
+
+#include <sound/soc.h>
+
+#include <plat/regs-ac97.h>
+#include <mach/dma.h>
+#include <plat/audio.h>
+
+#include "dma.h"
+#include "ac97.h"
+
+#define AC_CMD_ADDR(x) (x << 16)
+#define AC_CMD_DATA(x) (x & 0xffff)
+
+struct s3c_ac97_info {
+	struct clk         *ac97_clk;
+	void __iomem	   *regs;
+	struct mutex       lock;
+	struct completion  done;
+};
+static struct s3c_ac97_info s3c_ac97;
+
+static struct s3c2410_dma_client s3c_dma_client_out = {
+	.name = "AC97 PCMOut"
+};
+
+static struct s3c2410_dma_client s3c_dma_client_in = {
+	.name = "AC97 PCMIn"
+};
+
+static struct s3c2410_dma_client s3c_dma_client_micin = {
+	.name = "AC97 MicIn"
+};
+
+static struct s3c_dma_params s3c_ac97_pcm_out = {
+	.client		= &s3c_dma_client_out,
+	.dma_size	= 4,
+};
+
+static struct s3c_dma_params s3c_ac97_pcm_in = {
+	.client		= &s3c_dma_client_in,
+	.dma_size	= 4,
+};
+
+static struct s3c_dma_params s3c_ac97_mic_in = {
+	.client		= &s3c_dma_client_micin,
+	.dma_size	= 4,
+};
+
+static void s3c_ac97_activate(struct snd_ac97 *ac97)
+{
+	u32 ac_glbctrl, stat;
+
+	stat = readl(s3c_ac97.regs + S3C_AC97_GLBSTAT) & 0x7;
+	if (stat == S3C_AC97_GLBSTAT_MAINSTATE_ACTIVE)
+		return; /* Return if already active */
+
+	INIT_COMPLETION(s3c_ac97.done);
+
+	ac_glbctrl = readl(s3c_ac97.regs + S3C_AC97_GLBCTRL);
+	ac_glbctrl = S3C_AC97_GLBCTRL_ACLINKON;
+	writel(ac_glbctrl, s3c_ac97.regs + S3C_AC97_GLBCTRL);
+	msleep(1);
+
+	ac_glbctrl |= S3C_AC97_GLBCTRL_TRANSFERDATAENABLE;
+	writel(ac_glbctrl, s3c_ac97.regs + S3C_AC97_GLBCTRL);
+	msleep(1);
+
+	ac_glbctrl = readl(s3c_ac97.regs + S3C_AC97_GLBCTRL);
+	ac_glbctrl |= S3C_AC97_GLBCTRL_CODECREADYIE;
+	writel(ac_glbctrl, s3c_ac97.regs + S3C_AC97_GLBCTRL);
+
+	if (!wait_for_completion_timeout(&s3c_ac97.done, HZ))
+		pr_err("AC97: Unable to activate!");
+}
+
+static unsigned short s3c_ac97_read(struct snd_ac97 *ac97,
+	unsigned short reg)
+{
+	u32 ac_glbctrl, ac_codec_cmd;
+	u32 stat, addr, data;
+
+	mutex_lock(&s3c_ac97.lock);
+
+	s3c_ac97_activate(ac97);
+
+	INIT_COMPLETION(s3c_ac97.done);
+
+	ac_codec_cmd = readl(s3c_ac97.regs + S3C_AC97_CODEC_CMD);
+	ac_codec_cmd = S3C_AC97_CODEC_CMD_READ | AC_CMD_ADDR(reg);
+	writel(ac_codec_cmd, s3c_ac97.regs + S3C_AC97_CODEC_CMD);
+
+	udelay(50);
+
+	ac_glbctrl = readl(s3c_ac97.regs + S3C_AC97_GLBCTRL);
+	ac_glbctrl |= S3C_AC97_GLBCTRL_CODECREADYIE;
+	writel(ac_glbctrl, s3c_ac97.regs + S3C_AC97_GLBCTRL);
+
+	if (!wait_for_completion_timeout(&s3c_ac97.done, HZ))
+		pr_err("AC97: Unable to read!");
+
+	stat = readl(s3c_ac97.regs + S3C_AC97_STAT);
+	addr = (stat >> 16) & 0x7f;
+	data = (stat & 0xffff);
+
+	if (addr != reg)
+		pr_err("ac97: req addr = %02x, rep addr = %02x\n",
+			reg, addr);
+
+	mutex_unlock(&s3c_ac97.lock);
+
+	return (unsigned short)data;
+}
+
+static void s3c_ac97_write(struct snd_ac97 *ac97, unsigned short reg,
+	unsigned short val)
+{
+	u32 ac_glbctrl, ac_codec_cmd;
+
+	mutex_lock(&s3c_ac97.lock);
+
+	s3c_ac97_activate(ac97);
+
+	INIT_COMPLETION(s3c_ac97.done);
+
+	ac_codec_cmd = readl(s3c_ac97.regs + S3C_AC97_CODEC_CMD);
+	ac_codec_cmd = AC_CMD_ADDR(reg) | AC_CMD_DATA(val);
+	writel(ac_codec_cmd, s3c_ac97.regs + S3C_AC97_CODEC_CMD);
+
+	udelay(50);
+
+	ac_glbctrl = readl(s3c_ac97.regs + S3C_AC97_GLBCTRL);
+	ac_glbctrl |= S3C_AC97_GLBCTRL_CODECREADYIE;
+	writel(ac_glbctrl, s3c_ac97.regs + S3C_AC97_GLBCTRL);
+
+	if (!wait_for_completion_timeout(&s3c_ac97.done, HZ))
+		pr_err("AC97: Unable to write!");
+
+	ac_codec_cmd = readl(s3c_ac97.regs + S3C_AC97_CODEC_CMD);
+	ac_codec_cmd |= S3C_AC97_CODEC_CMD_READ;
+	writel(ac_codec_cmd, s3c_ac97.regs + S3C_AC97_CODEC_CMD);
+
+	mutex_unlock(&s3c_ac97.lock);
+}
+
+static void s3c_ac97_cold_reset(struct snd_ac97 *ac97)
+{
+	pr_debug("AC97: Cold reset\n");
+	writel(S3C_AC97_GLBCTRL_COLDRESET,
+			s3c_ac97.regs + S3C_AC97_GLBCTRL);
+	msleep(1);
+
+	writel(0, s3c_ac97.regs + S3C_AC97_GLBCTRL);
+	msleep(1);
+}
+
+static void s3c_ac97_warm_reset(struct snd_ac97 *ac97)
+{
+	u32 stat;
+
+	stat = readl(s3c_ac97.regs + S3C_AC97_GLBSTAT) & 0x7;
+	if (stat == S3C_AC97_GLBSTAT_MAINSTATE_ACTIVE)
+		return; /* Return if already active */
+
+	pr_debug("AC97: Warm reset\n");
+
+	writel(S3C_AC97_GLBCTRL_WARMRESET, s3c_ac97.regs + S3C_AC97_GLBCTRL);
+	msleep(1);
+
+	writel(0, s3c_ac97.regs + S3C_AC97_GLBCTRL);
+	msleep(1);
+
+	s3c_ac97_activate(ac97);
+}
+
+static irqreturn_t s3c_ac97_irq(int irq, void *dev_id)
+{
+	u32 ac_glbctrl, ac_glbstat;
+
+	ac_glbstat = readl(s3c_ac97.regs + S3C_AC97_GLBSTAT);
+
+	if (ac_glbstat & S3C_AC97_GLBSTAT_CODECREADY) {
+
+		ac_glbctrl = readl(s3c_ac97.regs + S3C_AC97_GLBCTRL);
+		ac_glbctrl &= ~S3C_AC97_GLBCTRL_CODECREADYIE;
+		writel(ac_glbctrl, s3c_ac97.regs + S3C_AC97_GLBCTRL);
+
+		complete(&s3c_ac97.done);
+	}
+
+	ac_glbctrl = readl(s3c_ac97.regs + S3C_AC97_GLBCTRL);
+	ac_glbctrl |= (1<<30); /* Clear interrupt */
+	writel(ac_glbctrl, s3c_ac97.regs + S3C_AC97_GLBCTRL);
+
+	return IRQ_HANDLED;
+}
+
+struct snd_ac97_bus_ops soc_ac97_ops = {
+	.read       = s3c_ac97_read,
+	.write      = s3c_ac97_write,
+	.warm_reset = s3c_ac97_warm_reset,
+	.reset      = s3c_ac97_cold_reset,
+};
+EXPORT_SYMBOL_GPL(soc_ac97_ops);
+
+static int s3c_ac97_hw_params(struct snd_pcm_substream *substream,
+				  struct snd_pcm_hw_params *params,
+				  struct snd_soc_dai *dai)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+	struct s3c_dma_params *dma_data;
+
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		dma_data = &s3c_ac97_pcm_out;
+	else
+		dma_data = &s3c_ac97_pcm_in;
+
+	snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
+
+	return 0;
+}
+
+static int s3c_ac97_trigger(struct snd_pcm_substream *substream, int cmd,
+				struct snd_soc_dai *dai)
+{
+	u32 ac_glbctrl;
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct s3c_dma_params *dma_data =
+		snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+
+	ac_glbctrl = readl(s3c_ac97.regs + S3C_AC97_GLBCTRL);
+	if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+		ac_glbctrl &= ~S3C_AC97_GLBCTRL_PCMINTM_MASK;
+	else
+		ac_glbctrl &= ~S3C_AC97_GLBCTRL_PCMOUTTM_MASK;
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+	case SNDRV_PCM_TRIGGER_RESUME:
+	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+		if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
+			ac_glbctrl |= S3C_AC97_GLBCTRL_PCMINTM_DMA;
+		else
+			ac_glbctrl |= S3C_AC97_GLBCTRL_PCMOUTTM_DMA;
+		break;
+
+	case SNDRV_PCM_TRIGGER_STOP:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+		break;
+	}
+
+	writel(ac_glbctrl, s3c_ac97.regs + S3C_AC97_GLBCTRL);
+
+	s3c2410_dma_ctrl(dma_data->channel, S3C2410_DMAOP_STARTED);
+
+	return 0;
+}
+
+static int s3c_ac97_hw_mic_params(struct snd_pcm_substream *substream,
+				      struct snd_pcm_hw_params *params,
+				      struct snd_soc_dai *dai)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct snd_soc_dai *cpu_dai = rtd->cpu_dai;
+
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+		return -ENODEV;
+	else
+		snd_soc_dai_set_dma_data(cpu_dai, substream, &s3c_ac97_mic_in);
+
+	return 0;
+}
+
+static int s3c_ac97_mic_trigger(struct snd_pcm_substream *substream,
+				    int cmd, struct snd_soc_dai *dai)
+{
+	u32 ac_glbctrl;
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	struct s3c_dma_params *dma_data =
+		snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+
+	ac_glbctrl = readl(s3c_ac97.regs + S3C_AC97_GLBCTRL);
+	ac_glbctrl &= ~S3C_AC97_GLBCTRL_MICINTM_MASK;
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+	case SNDRV_PCM_TRIGGER_RESUME:
+	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+		ac_glbctrl |= S3C_AC97_GLBCTRL_MICINTM_DMA;
+		break;
+
+	case SNDRV_PCM_TRIGGER_STOP:
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+		break;
+	}
+
+	writel(ac_glbctrl, s3c_ac97.regs + S3C_AC97_GLBCTRL);
+
+	s3c2410_dma_ctrl(dma_data->channel, S3C2410_DMAOP_STARTED);
+
+	return 0;
+}
+
+static struct snd_soc_dai_ops s3c_ac97_dai_ops = {
+	.hw_params	= s3c_ac97_hw_params,
+	.trigger	= s3c_ac97_trigger,
+};
+
+static struct snd_soc_dai_ops s3c_ac97_mic_dai_ops = {
+	.hw_params	= s3c_ac97_hw_mic_params,
+	.trigger	= s3c_ac97_mic_trigger,
+};
+
+static struct snd_soc_dai_driver s3c_ac97_dai[] = {
+	[S3C_AC97_DAI_PCM] = {
+		.name =	"samsung-ac97",
+		.ac97_control = 1,
+		.playback = {
+			.stream_name = "AC97 Playback",
+			.channels_min = 2,
+			.channels_max = 2,
+			.rates = SNDRV_PCM_RATE_8000_48000,
+			.formats = SNDRV_PCM_FMTBIT_S16_LE,},
+		.capture = {
+			.stream_name = "AC97 Capture",
+			.channels_min = 2,
+			.channels_max = 2,
+			.rates = SNDRV_PCM_RATE_8000_48000,
+			.formats = SNDRV_PCM_FMTBIT_S16_LE,},
+		.ops = &s3c_ac97_dai_ops,
+	},
+	[S3C_AC97_DAI_MIC] = {
+		.name = "samsung-ac97-mic",
+		.ac97_control = 1,
+		.capture = {
+			.stream_name = "AC97 Mic Capture",
+			.channels_min = 1,
+			.channels_max = 1,
+			.rates = SNDRV_PCM_RATE_8000_48000,
+			.formats = SNDRV_PCM_FMTBIT_S16_LE,},
+		.ops = &s3c_ac97_mic_dai_ops,
+	},
+};
+
+static __devinit int s3c_ac97_probe(struct platform_device *pdev)
+{
+	struct resource *mem_res, *dmatx_res, *dmarx_res, *dmamic_res, *irq_res;
+	struct s3c_audio_pdata *ac97_pdata;
+	int ret;
+
+	ac97_pdata = pdev->dev.platform_data;
+	if (!ac97_pdata || !ac97_pdata->cfg_gpio) {
+		dev_err(&pdev->dev, "cfg_gpio callback not provided!\n");
+		return -EINVAL;
+	}
+
+	/* Check for availability of necessary resource */
+	dmatx_res = platform_get_resource(pdev, IORESOURCE_DMA, 0);
+	if (!dmatx_res) {
+		dev_err(&pdev->dev, "Unable to get AC97-TX dma resource\n");
+		return -ENXIO;
+	}
+
+	dmarx_res = platform_get_resource(pdev, IORESOURCE_DMA, 1);
+	if (!dmarx_res) {
+		dev_err(&pdev->dev, "Unable to get AC97-RX dma resource\n");
+		return -ENXIO;
+	}
+
+	dmamic_res = platform_get_resource(pdev, IORESOURCE_DMA, 2);
+	if (!dmamic_res) {
+		dev_err(&pdev->dev, "Unable to get AC97-MIC dma resource\n");
+		return -ENXIO;
+	}
+
+	mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (!mem_res) {
+		dev_err(&pdev->dev, "Unable to get register resource\n");
+		return -ENXIO;
+	}
+
+	irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (!irq_res) {
+		dev_err(&pdev->dev, "AC97 IRQ not provided!\n");
+		return -ENXIO;
+	}
+
+	if (!request_mem_region(mem_res->start,
+				resource_size(mem_res), "ac97")) {
+		dev_err(&pdev->dev, "Unable to request register region\n");
+		return -EBUSY;
+	}
+
+	s3c_ac97_pcm_out.channel = dmatx_res->start;
+	s3c_ac97_pcm_out.dma_addr = mem_res->start + S3C_AC97_PCM_DATA;
+	s3c_ac97_pcm_in.channel = dmarx_res->start;
+	s3c_ac97_pcm_in.dma_addr = mem_res->start + S3C_AC97_PCM_DATA;
+	s3c_ac97_mic_in.channel = dmamic_res->start;
+	s3c_ac97_mic_in.dma_addr = mem_res->start + S3C_AC97_MIC_DATA;
+
+	init_completion(&s3c_ac97.done);
+	mutex_init(&s3c_ac97.lock);
+
+	s3c_ac97.regs = ioremap(mem_res->start, resource_size(mem_res));
+	if (s3c_ac97.regs == NULL) {
+		dev_err(&pdev->dev, "Unable to ioremap register region\n");
+		ret = -ENXIO;
+		goto err1;
+	}
+
+	s3c_ac97.ac97_clk = clk_get(&pdev->dev, "ac97");
+	if (IS_ERR(s3c_ac97.ac97_clk)) {
+		dev_err(&pdev->dev, "ac97 failed to get ac97_clock\n");
+		ret = -ENODEV;
+		goto err2;
+	}
+	clk_enable(s3c_ac97.ac97_clk);
+
+	if (ac97_pdata->cfg_gpio(pdev)) {
+		dev_err(&pdev->dev, "Unable to configure gpio\n");
+		ret = -EINVAL;
+		goto err3;
+	}
+
+	ret = request_irq(irq_res->start, s3c_ac97_irq,
+					IRQF_DISABLED, "AC97", NULL);
+	if (ret < 0) {
+		dev_err(&pdev->dev, "ac97: interrupt request failed.\n");
+		goto err4;
+	}
+
+	ret = snd_soc_register_dais(&pdev->dev, s3c_ac97_dai,
+			ARRAY_SIZE(s3c_ac97_dai));
+	if (ret)
+		goto err5;
+
+	return 0;
+
+err5:
+	free_irq(irq_res->start, NULL);
+err4:
+err3:
+	clk_disable(s3c_ac97.ac97_clk);
+	clk_put(s3c_ac97.ac97_clk);
+err2:
+	iounmap(s3c_ac97.regs);
+err1:
+	release_mem_region(mem_res->start, resource_size(mem_res));
+
+	return ret;
+}
+
+static __devexit int s3c_ac97_remove(struct platform_device *pdev)
+{
+	struct resource *mem_res, *irq_res;
+
+	snd_soc_unregister_dais(&pdev->dev, ARRAY_SIZE(s3c_ac97_dai));
+
+	irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+	if (irq_res)
+		free_irq(irq_res->start, NULL);
+
+	clk_disable(s3c_ac97.ac97_clk);
+	clk_put(s3c_ac97.ac97_clk);
+
+	iounmap(s3c_ac97.regs);
+
+	mem_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+	if (mem_res)
+		release_mem_region(mem_res->start, resource_size(mem_res));
+
+	return 0;
+}
+
+static struct platform_driver s3c_ac97_driver = {
+	.probe  = s3c_ac97_probe,
+	.remove = s3c_ac97_remove,
+	.driver = {
+		.name = "samsung-ac97",
+		.owner = THIS_MODULE,
+	},
+};
+
+static int __init s3c_ac97_init(void)
+{
+	return platform_driver_register(&s3c_ac97_driver);
+}
+module_init(s3c_ac97_init);
+
+static void __exit s3c_ac97_exit(void)
+{
+	platform_driver_unregister(&s3c_ac97_driver);
+}
+module_exit(s3c_ac97_exit);
+
+MODULE_AUTHOR("Jaswinder Singh, <jassi.brar@samsung.com>");
+MODULE_DESCRIPTION("AC97 driver for the Samsung SoC");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:samsung-ac97");
diff --git a/sound/soc/samsung/ac97.h b/sound/soc/samsung/ac97.h
new file mode 100644
index 00000000000..0d0e1b51145
--- /dev/null
+++ b/sound/soc/samsung/ac97.h
@@ -0,0 +1,21 @@
+/* sound/soc/samsung/ac97.h
+ *
+ * ALSA SoC Audio Layer - S3C AC97 Controller driver
+ *	Evolved from s3c2443-ac97.h
+ *
+ * Copyright (c) 2010 Samsung Electronics Co. Ltd
+ *	Author: Jaswinder Singh <jassi.brar@samsung.com>
+ *	Credits: Graeme Gregory, Sean Choi
+ *
+ * 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 __S3C_AC97_H_
+#define __S3C_AC97_H_
+
+#define S3C_AC97_DAI_PCM 0
+#define S3C_AC97_DAI_MIC 1
+
+#endif /* __S3C_AC97_H_ */
author	Linus Torvalds <torvalds@linux-foundation.org>	2011-01-13 10:32:54 -0800
committer	Linus Torvalds <torvalds@linux-foundation.org>	2011-01-13 10:32:54 -0800
commit	66dc918d42eaaa9afe42a47d07526765162017a9 (patch)
tree	947411841773dfb076f1aa78bc5be868bc4281a6 /sound/soc/samsung
parent	b2034d474b7e1e8578bd5c2977024b51693269d9 (diff)
parent	6db9a0f326d3144d790d9479309df480a8f562e4 (diff)