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-rw-r--r--sound/soc/imx/Kconfig25
-rw-r--r--sound/soc/imx/Makefile15
-rw-r--r--sound/soc/imx/eukrea-tlv320.c40
-rw-r--r--sound/soc/imx/imx-audmux.c308
-rw-r--r--sound/soc/imx/imx-audmux.h60
-rw-r--r--sound/soc/imx/imx-pcm-dma-mx2.c224
-rw-r--r--sound/soc/imx/imx-pcm.c105
-rw-r--r--sound/soc/imx/imx-pcm.h32
-rw-r--r--sound/soc/imx/imx-ssi.c120
-rw-r--r--sound/soc/imx/imx-ssi.h16
-rw-r--r--sound/soc/imx/mx27vis-aic32x4.c159
-rw-r--r--sound/soc/imx/phycore-ac97.c27
-rw-r--r--sound/soc/imx/wm1133-ev1.c25
13 files changed, 799 insertions, 357 deletions
diff --git a/sound/soc/imx/Kconfig b/sound/soc/imx/Kconfig
index 738391757f2c..810acaa09009 100644
--- a/sound/soc/imx/Kconfig
+++ b/sound/soc/imx/Kconfig
@@ -1,9 +1,6 @@
menuconfig SND_IMX_SOC
tristate "SoC Audio for Freescale i.MX CPUs"
depends on ARCH_MXC
- select SND_PCM
- select FIQ
- select SND_SOC_AC97_BUS
help
Say Y or M if you want to add support for codecs attached to
the i.MX SSI interface.
@@ -11,10 +8,23 @@ menuconfig SND_IMX_SOC
if SND_IMX_SOC
+config SND_SOC_IMX_SSI
+ tristate
+
+config SND_SOC_IMX_PCM
+ tristate
+
config SND_MXC_SOC_FIQ
tristate
+ select FIQ
+ select SND_SOC_IMX_PCM
config SND_MXC_SOC_MX2
+ select SND_SOC_DMAENGINE_PCM
+ tristate
+ select SND_SOC_IMX_PCM
+
+config SND_SOC_IMX_AUDMUX
tristate
config SND_MXC_SOC_WM1133_EV1
@@ -22,6 +32,8 @@ config SND_MXC_SOC_WM1133_EV1
depends on MACH_MX31ADS_WM1133_EV1 && EXPERIMENTAL
select SND_SOC_WM8350
select SND_MXC_SOC_FIQ
+ select SND_SOC_IMX_AUDMUX
+ select SND_SOC_IMX_SSI
help
Enable support for audio on the i.MX31ADS with the WM1133-EV1
PMIC board with WM8835x fitted.
@@ -31,6 +43,8 @@ config SND_SOC_MX27VIS_AIC32X4
depends on MACH_IMX27_VISSTRIM_M10 && I2C
select SND_SOC_TLV320AIC32X4
select SND_MXC_SOC_MX2
+ select SND_SOC_IMX_AUDMUX
+ select SND_SOC_IMX_SSI
help
Say Y if you want to add support for SoC audio on Visstrim SM10
board with TLV320AIC32X4 codec.
@@ -38,8 +52,11 @@ config SND_SOC_MX27VIS_AIC32X4
config SND_SOC_PHYCORE_AC97
tristate "SoC Audio support for Phytec phyCORE (and phyCARD) boards"
depends on MACH_PCM043 || MACH_PCA100
+ select SND_SOC_AC97_BUS
select SND_SOC_WM9712
select SND_MXC_SOC_FIQ
+ select SND_SOC_IMX_AUDMUX
+ select SND_SOC_IMX_SSI
help
Say Y if you want to add support for SoC audio on Phytec phyCORE
and phyCARD boards in AC97 mode
@@ -53,6 +70,8 @@ config SND_SOC_EUKREA_TLV320
depends on I2C
select SND_SOC_TLV320AIC23
select SND_MXC_SOC_FIQ
+ select SND_SOC_IMX_AUDMUX
+ select SND_SOC_IMX_SSI
help
Enable I2S based access to the TLV320AIC23B codec attached
to the SSI interface
diff --git a/sound/soc/imx/Makefile b/sound/soc/imx/Makefile
index d6d609ba7e24..f5db3e92d0d1 100644
--- a/sound/soc/imx/Makefile
+++ b/sound/soc/imx/Makefile
@@ -1,11 +1,14 @@
# i.MX Platform Support
-snd-soc-imx-objs := imx-ssi.o
-snd-soc-imx-fiq-objs := imx-pcm-fiq.o
-snd-soc-imx-mx2-objs := imx-pcm-dma-mx2.o
+snd-soc-imx-ssi-objs := imx-ssi.o
+snd-soc-imx-audmux-objs := imx-audmux.o
-obj-$(CONFIG_SND_IMX_SOC) += snd-soc-imx.o
-obj-$(CONFIG_SND_MXC_SOC_FIQ) += snd-soc-imx-fiq.o
-obj-$(CONFIG_SND_MXC_SOC_MX2) += snd-soc-imx-mx2.o
+obj-$(CONFIG_SND_SOC_IMX_SSI) += snd-soc-imx-ssi.o
+obj-$(CONFIG_SND_SOC_IMX_AUDMUX) += snd-soc-imx-audmux.o
+
+obj-$(CONFIG_SND_SOC_IMX_PCM) += snd-soc-imx-pcm.o
+snd-soc-imx-pcm-y := imx-pcm.o
+snd-soc-imx-pcm-$(CONFIG_SND_MXC_SOC_FIQ) += imx-pcm-fiq.o
+snd-soc-imx-pcm-$(CONFIG_SND_MXC_SOC_MX2) += imx-pcm-dma-mx2.o
# i.MX Machine Support
snd-soc-eukrea-tlv320-objs := eukrea-tlv320.o
diff --git a/sound/soc/imx/eukrea-tlv320.c b/sound/soc/imx/eukrea-tlv320.c
index 1c1fdd10f73f..7d4475cfdb24 100644
--- a/sound/soc/imx/eukrea-tlv320.c
+++ b/sound/soc/imx/eukrea-tlv320.c
@@ -26,6 +26,7 @@
#include "../codecs/tlv320aic23.h"
#include "imx-ssi.h"
+#include "imx-audmux.h"
#define CODEC_CLOCK 12000000
@@ -97,12 +98,43 @@ static struct platform_device *eukrea_tlv320_snd_device;
static int __init eukrea_tlv320_init(void)
{
int ret;
-
- if (!machine_is_eukrea_cpuimx27() && !machine_is_eukrea_cpuimx25sd()
- && !machine_is_eukrea_cpuimx35sd()
- && !machine_is_eukrea_cpuimx51sd())
+ int int_port = 0, ext_port;
+
+ if (machine_is_eukrea_cpuimx27()) {
+ imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
+ IMX_AUDMUX_V1_PCR_SYN |
+ IMX_AUDMUX_V1_PCR_TFSDIR |
+ IMX_AUDMUX_V1_PCR_TCLKDIR |
+ IMX_AUDMUX_V1_PCR_RFSDIR |
+ IMX_AUDMUX_V1_PCR_RCLKDIR |
+ IMX_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
+ IMX_AUDMUX_V1_PCR_RFCSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4) |
+ IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR3_SSI_PINS_4)
+ );
+ imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR3_SSI_PINS_4,
+ IMX_AUDMUX_V1_PCR_SYN |
+ IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0)
+ );
+ } else if (machine_is_eukrea_cpuimx25sd() ||
+ machine_is_eukrea_cpuimx35sd() ||
+ machine_is_eukrea_cpuimx51sd()) {
+ ext_port = machine_is_eukrea_cpuimx25sd() ? 4 : 3;
+ imx_audmux_v2_configure_port(int_port,
+ IMX_AUDMUX_V2_PTCR_SYN |
+ IMX_AUDMUX_V2_PTCR_TFSDIR |
+ IMX_AUDMUX_V2_PTCR_TFSEL(ext_port) |
+ IMX_AUDMUX_V2_PTCR_TCLKDIR |
+ IMX_AUDMUX_V2_PTCR_TCSEL(ext_port),
+ IMX_AUDMUX_V2_PDCR_RXDSEL(ext_port)
+ );
+ imx_audmux_v2_configure_port(ext_port,
+ IMX_AUDMUX_V2_PTCR_SYN,
+ IMX_AUDMUX_V2_PDCR_RXDSEL(int_port)
+ );
+ } else {
/* return happy. We might run on a totally different machine */
return 0;
+ }
eukrea_tlv320_snd_device = platform_device_alloc("soc-audio", -1);
if (!eukrea_tlv320_snd_device)
diff --git a/sound/soc/imx/imx-audmux.c b/sound/soc/imx/imx-audmux.c
new file mode 100644
index 000000000000..1765a197acb0
--- /dev/null
+++ b/sound/soc/imx/imx-audmux.c
@@ -0,0 +1,308 @@
+/*
+ * Copyright 2012 Freescale Semiconductor, Inc.
+ * Copyright 2012 Linaro Ltd.
+ * Copyright 2009 Pengutronix, Sascha Hauer <s.hauer@pengutronix.de>
+ *
+ * Initial development of this code was funded by
+ * Phytec Messtechnik GmbH, http://www.phytec.de
+ *
+ * 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.
+ */
+
+#include <linux/clk.h>
+#include <linux/debugfs.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
+
+#include "imx-audmux.h"
+
+#define DRIVER_NAME "imx-audmux"
+
+static struct clk *audmux_clk;
+static void __iomem *audmux_base;
+
+#define IMX_AUDMUX_V2_PTCR(x) ((x) * 8)
+#define IMX_AUDMUX_V2_PDCR(x) ((x) * 8 + 4)
+
+#ifdef CONFIG_DEBUG_FS
+static struct dentry *audmux_debugfs_root;
+
+/* There is an annoying discontinuity in the SSI numbering with regard
+ * to the Linux number of the devices */
+static const char *audmux_port_string(int port)
+{
+ switch (port) {
+ case MX31_AUDMUX_PORT1_SSI0:
+ return "imx-ssi.0";
+ case MX31_AUDMUX_PORT2_SSI1:
+ return "imx-ssi.1";
+ case MX31_AUDMUX_PORT3_SSI_PINS_3:
+ return "SSI3";
+ case MX31_AUDMUX_PORT4_SSI_PINS_4:
+ return "SSI4";
+ case MX31_AUDMUX_PORT5_SSI_PINS_5:
+ return "SSI5";
+ case MX31_AUDMUX_PORT6_SSI_PINS_6:
+ return "SSI6";
+ default:
+ return "UNKNOWN";
+ }
+}
+
+static ssize_t audmux_read_file(struct file *file, char __user *user_buf,
+ size_t count, loff_t *ppos)
+{
+ ssize_t ret;
+ char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
+ int port = (int)file->private_data;
+ u32 pdcr, ptcr;
+
+ if (!buf)
+ return -ENOMEM;
+
+ if (audmux_clk)
+ clk_prepare_enable(audmux_clk);
+
+ ptcr = readl(audmux_base + IMX_AUDMUX_V2_PTCR(port));
+ pdcr = readl(audmux_base + IMX_AUDMUX_V2_PDCR(port));
+
+ if (audmux_clk)
+ clk_disable_unprepare(audmux_clk);
+
+ ret = snprintf(buf, PAGE_SIZE, "PDCR: %08x\nPTCR: %08x\n",
+ pdcr, ptcr);
+
+ if (ptcr & IMX_AUDMUX_V2_PTCR_TFSDIR)
+ ret += snprintf(buf + ret, PAGE_SIZE - ret,
+ "TxFS output from %s, ",
+ audmux_port_string((ptcr >> 27) & 0x7));
+ else
+ ret += snprintf(buf + ret, PAGE_SIZE - ret,
+ "TxFS input, ");
+
+ if (ptcr & IMX_AUDMUX_V2_PTCR_TCLKDIR)
+ ret += snprintf(buf + ret, PAGE_SIZE - ret,
+ "TxClk output from %s",
+ audmux_port_string((ptcr >> 22) & 0x7));
+ else
+ ret += snprintf(buf + ret, PAGE_SIZE - ret,
+ "TxClk input");
+
+ ret += snprintf(buf + ret, PAGE_SIZE - ret, "\n");
+
+ if (ptcr & IMX_AUDMUX_V2_PTCR_SYN) {
+ ret += snprintf(buf + ret, PAGE_SIZE - ret,
+ "Port is symmetric");
+ } else {
+ if (ptcr & IMX_AUDMUX_V2_PTCR_RFSDIR)
+ ret += snprintf(buf + ret, PAGE_SIZE - ret,
+ "RxFS output from %s, ",
+ audmux_port_string((ptcr >> 17) & 0x7));
+ else
+ ret += snprintf(buf + ret, PAGE_SIZE - ret,
+ "RxFS input, ");
+
+ if (ptcr & IMX_AUDMUX_V2_PTCR_RCLKDIR)
+ ret += snprintf(buf + ret, PAGE_SIZE - ret,
+ "RxClk output from %s",
+ audmux_port_string((ptcr >> 12) & 0x7));
+ else
+ ret += snprintf(buf + ret, PAGE_SIZE - ret,
+ "RxClk input");
+ }
+
+ ret += snprintf(buf + ret, PAGE_SIZE - ret,
+ "\nData received from %s\n",
+ audmux_port_string((pdcr >> 13) & 0x7));
+
+ ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
+
+ kfree(buf);
+
+ return ret;
+}
+
+static const struct file_operations audmux_debugfs_fops = {
+ .open = simple_open,
+ .read = audmux_read_file,
+ .llseek = default_llseek,
+};
+
+static void __init audmux_debugfs_init(void)
+{
+ int i;
+ char buf[20];
+
+ audmux_debugfs_root = debugfs_create_dir("audmux", NULL);
+ if (!audmux_debugfs_root) {
+ pr_warning("Failed to create AUDMUX debugfs root\n");
+ return;
+ }
+
+ for (i = 1; i < 8; i++) {
+ snprintf(buf, sizeof(buf), "ssi%d", i);
+ if (!debugfs_create_file(buf, 0444, audmux_debugfs_root,
+ (void *)i, &audmux_debugfs_fops))
+ pr_warning("Failed to create AUDMUX port %d debugfs file\n",
+ i);
+ }
+}
+
+static void __devexit audmux_debugfs_remove(void)
+{
+ debugfs_remove_recursive(audmux_debugfs_root);
+}
+#else
+static inline void audmux_debugfs_init(void)
+{
+}
+
+static inline void audmux_debugfs_remove(void)
+{
+}
+#endif
+
+enum imx_audmux_type {
+ IMX21_AUDMUX,
+ IMX31_AUDMUX,
+} audmux_type;
+
+static struct platform_device_id imx_audmux_ids[] = {
+ {
+ .name = "imx21-audmux",
+ .driver_data = IMX21_AUDMUX,
+ }, {
+ .name = "imx31-audmux",
+ .driver_data = IMX31_AUDMUX,
+ }, {
+ /* sentinel */
+ }
+};
+MODULE_DEVICE_TABLE(platform, imx_audmux_ids);
+
+static const struct of_device_id imx_audmux_dt_ids[] = {
+ { .compatible = "fsl,imx21-audmux", .data = &imx_audmux_ids[0], },
+ { .compatible = "fsl,imx31-audmux", .data = &imx_audmux_ids[1], },
+ { /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, imx_audmux_dt_ids);
+
+static const uint8_t port_mapping[] = {
+ 0x0, 0x4, 0x8, 0x10, 0x14, 0x1c,
+};
+
+int imx_audmux_v1_configure_port(unsigned int port, unsigned int pcr)
+{
+ if (audmux_type != IMX21_AUDMUX)
+ return -EINVAL;
+
+ if (!audmux_base)
+ return -ENOSYS;
+
+ if (port >= ARRAY_SIZE(port_mapping))
+ return -EINVAL;
+
+ writel(pcr, audmux_base + port_mapping[port]);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(imx_audmux_v1_configure_port);
+
+int imx_audmux_v2_configure_port(unsigned int port, unsigned int ptcr,
+ unsigned int pdcr)
+{
+ if (audmux_type != IMX31_AUDMUX)
+ return -EINVAL;
+
+ if (!audmux_base)
+ return -ENOSYS;
+
+ if (audmux_clk)
+ clk_prepare_enable(audmux_clk);
+
+ writel(ptcr, audmux_base + IMX_AUDMUX_V2_PTCR(port));
+ writel(pdcr, audmux_base + IMX_AUDMUX_V2_PDCR(port));
+
+ if (audmux_clk)
+ clk_disable_unprepare(audmux_clk);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(imx_audmux_v2_configure_port);
+
+static int __devinit imx_audmux_probe(struct platform_device *pdev)
+{
+ struct resource *res;
+ const struct of_device_id *of_id =
+ of_match_device(imx_audmux_dt_ids, &pdev->dev);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ audmux_base = devm_request_and_ioremap(&pdev->dev, res);
+ if (!audmux_base)
+ return -EADDRNOTAVAIL;
+
+ audmux_clk = clk_get(&pdev->dev, "audmux");
+ if (IS_ERR(audmux_clk)) {
+ dev_dbg(&pdev->dev, "cannot get clock: %ld\n",
+ PTR_ERR(audmux_clk));
+ audmux_clk = NULL;
+ }
+
+ if (of_id)
+ pdev->id_entry = of_id->data;
+ audmux_type = pdev->id_entry->driver_data;
+ if (audmux_type == IMX31_AUDMUX)
+ audmux_debugfs_init();
+
+ return 0;
+}
+
+static int __devexit imx_audmux_remove(struct platform_device *pdev)
+{
+ if (audmux_type == IMX31_AUDMUX)
+ audmux_debugfs_remove();
+ clk_put(audmux_clk);
+
+ return 0;
+}
+
+static struct platform_driver imx_audmux_driver = {
+ .probe = imx_audmux_probe,
+ .remove = __devexit_p(imx_audmux_remove),
+ .id_table = imx_audmux_ids,
+ .driver = {
+ .name = DRIVER_NAME,
+ .owner = THIS_MODULE,
+ .of_match_table = imx_audmux_dt_ids,
+ }
+};
+
+static int __init imx_audmux_init(void)
+{
+ return platform_driver_register(&imx_audmux_driver);
+}
+subsys_initcall(imx_audmux_init);
+
+static void __exit imx_audmux_exit(void)
+{
+ platform_driver_unregister(&imx_audmux_driver);
+}
+module_exit(imx_audmux_exit);
+
+MODULE_DESCRIPTION("Freescale i.MX AUDMUX driver");
+MODULE_AUTHOR("Sascha Hauer <s.hauer@pengutronix.de>");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("platform:" DRIVER_NAME);
diff --git a/sound/soc/imx/imx-audmux.h b/sound/soc/imx/imx-audmux.h
new file mode 100644
index 000000000000..04ebbab8d7b9
--- /dev/null
+++ b/sound/soc/imx/imx-audmux.h
@@ -0,0 +1,60 @@
+#ifndef __IMX_AUDMUX_H
+#define __IMX_AUDMUX_H
+
+#define MX27_AUDMUX_HPCR1_SSI0 0
+#define MX27_AUDMUX_HPCR2_SSI1 1
+#define MX27_AUDMUX_HPCR3_SSI_PINS_4 2
+#define MX27_AUDMUX_PPCR1_SSI_PINS_1 3
+#define MX27_AUDMUX_PPCR2_SSI_PINS_2 4
+#define MX27_AUDMUX_PPCR3_SSI_PINS_3 5
+
+#define MX31_AUDMUX_PORT1_SSI0 0
+#define MX31_AUDMUX_PORT2_SSI1 1
+#define MX31_AUDMUX_PORT3_SSI_PINS_3 2
+#define MX31_AUDMUX_PORT4_SSI_PINS_4 3
+#define MX31_AUDMUX_PORT5_SSI_PINS_5 4
+#define MX31_AUDMUX_PORT6_SSI_PINS_6 5
+
+#define MX51_AUDMUX_PORT1_SSI0 0
+#define MX51_AUDMUX_PORT2_SSI1 1
+#define MX51_AUDMUX_PORT3 2
+#define MX51_AUDMUX_PORT4 3
+#define MX51_AUDMUX_PORT5 4
+#define MX51_AUDMUX_PORT6 5
+#define MX51_AUDMUX_PORT7 6
+
+/* Register definitions for the i.MX21/27 Digital Audio Multiplexer */
+#define IMX_AUDMUX_V1_PCR_INMMASK(x) ((x) & 0xff)
+#define IMX_AUDMUX_V1_PCR_INMEN (1 << 8)
+#define IMX_AUDMUX_V1_PCR_TXRXEN (1 << 10)
+#define IMX_AUDMUX_V1_PCR_SYN (1 << 12)
+#define IMX_AUDMUX_V1_PCR_RXDSEL(x) (((x) & 0x7) << 13)
+#define IMX_AUDMUX_V1_PCR_RFCSEL(x) (((x) & 0xf) << 20)
+#define IMX_AUDMUX_V1_PCR_RCLKDIR (1 << 24)
+#define IMX_AUDMUX_V1_PCR_RFSDIR (1 << 25)
+#define IMX_AUDMUX_V1_PCR_TFCSEL(x) (((x) & 0xf) << 26)
+#define IMX_AUDMUX_V1_PCR_TCLKDIR (1 << 30)
+#define IMX_AUDMUX_V1_PCR_TFSDIR (1 << 31)
+
+/* Register definitions for the i.MX25/31/35/51 Digital Audio Multiplexer */
+#define IMX_AUDMUX_V2_PTCR_TFSDIR (1 << 31)
+#define IMX_AUDMUX_V2_PTCR_TFSEL(x) (((x) & 0xf) << 27)
+#define IMX_AUDMUX_V2_PTCR_TCLKDIR (1 << 26)
+#define IMX_AUDMUX_V2_PTCR_TCSEL(x) (((x) & 0xf) << 22)
+#define IMX_AUDMUX_V2_PTCR_RFSDIR (1 << 21)
+#define IMX_AUDMUX_V2_PTCR_RFSEL(x) (((x) & 0xf) << 17)
+#define IMX_AUDMUX_V2_PTCR_RCLKDIR (1 << 16)
+#define IMX_AUDMUX_V2_PTCR_RCSEL(x) (((x) & 0xf) << 12)
+#define IMX_AUDMUX_V2_PTCR_SYN (1 << 11)
+
+#define IMX_AUDMUX_V2_PDCR_RXDSEL(x) (((x) & 0x7) << 13)
+#define IMX_AUDMUX_V2_PDCR_TXRXEN (1 << 12)
+#define IMX_AUDMUX_V2_PDCR_MODE(x) (((x) & 0x3) << 8)
+#define IMX_AUDMUX_V2_PDCR_INMMASK(x) ((x) & 0xff)
+
+int imx_audmux_v1_configure_port(unsigned int port, unsigned int pcr);
+
+int imx_audmux_v2_configure_port(unsigned int port, unsigned int ptcr,
+ unsigned int pdcr);
+
+#endif /* __IMX_AUDMUX_H */
diff --git a/sound/soc/imx/imx-pcm-dma-mx2.c b/sound/soc/imx/imx-pcm-dma-mx2.c
index 5780c9b9d569..6b818de2fc03 100644
--- a/sound/soc/imx/imx-pcm-dma-mx2.c
+++ b/sound/soc/imx/imx-pcm-dma-mx2.c
@@ -21,218 +21,63 @@
#include <linux/platform_device.h>
#include <linux/slab.h>
#include <linux/dmaengine.h>
+#include <linux/types.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/soc.h>
+#include <sound/dmaengine_pcm.h>
#include <mach/dma.h>
-#include "imx-ssi.h"
-
-struct imx_pcm_runtime_data {
- int period_bytes;
- int periods;
- int dma;
- unsigned long offset;
- unsigned long size;
- void *buf;
- int period_time;
- struct dma_async_tx_descriptor *desc;
- struct dma_chan *dma_chan;
- struct imx_dma_data dma_data;
-};
-
-static void audio_dma_irq(void *data)
-{
- struct snd_pcm_substream *substream = (struct snd_pcm_substream *)data;
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct imx_pcm_runtime_data *iprtd = runtime->private_data;
-
- iprtd->offset += iprtd->period_bytes;
- iprtd->offset %= iprtd->period_bytes * iprtd->periods;
-
- snd_pcm_period_elapsed(substream);
-}
+#include "imx-pcm.h"
static bool filter(struct dma_chan *chan, void *param)
{
- struct imx_pcm_runtime_data *iprtd = param;
-
if (!imx_dma_is_general_purpose(chan))
return false;
- chan->private = &iprtd->dma_data;
+ chan->private = param;
- return true;
+ return true;
}
-static int imx_ssi_dma_alloc(struct snd_pcm_substream *substream,
+static int snd_imx_pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct dma_chan *chan = snd_dmaengine_pcm_get_chan(substream);
struct imx_pcm_dma_params *dma_params;
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct imx_pcm_runtime_data *iprtd = runtime->private_data;
struct dma_slave_config slave_config;
- dma_cap_mask_t mask;
- enum dma_slave_buswidth buswidth;
int ret;
dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
- iprtd->dma_data.peripheral_type = IMX_DMATYPE_SSI;
- iprtd->dma_data.priority = DMA_PRIO_HIGH;
- iprtd->dma_data.dma_request = dma_params->dma;
-
- /* Try to grab a DMA channel */
- if (!iprtd->dma_chan) {
- dma_cap_zero(mask);
- dma_cap_set(DMA_SLAVE, mask);
- iprtd->dma_chan = dma_request_channel(mask, filter, iprtd);
- if (!iprtd->dma_chan)
- return -EINVAL;
- }
+ ret = snd_hwparams_to_dma_slave_config(substream, params, &slave_config);
+ if (ret)
+ return ret;
- switch (params_format(params)) {
- case SNDRV_PCM_FORMAT_S16_LE:
- buswidth = DMA_SLAVE_BUSWIDTH_2_BYTES;
- break;
- case SNDRV_PCM_FORMAT_S20_3LE:
- case SNDRV_PCM_FORMAT_S24_LE:
- buswidth = DMA_SLAVE_BUSWIDTH_4_BYTES;
- break;
- default:
- return 0;
- }
+ slave_config.device_fc = false;
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
- slave_config.direction = DMA_MEM_TO_DEV;
slave_config.dst_addr = dma_params->dma_addr;
- slave_config.dst_addr_width = buswidth;
slave_config.dst_maxburst = dma_params->burstsize;
} else {
- slave_config.direction = DMA_DEV_TO_MEM;
slave_config.src_addr = dma_params->dma_addr;
- slave_config.src_addr_width = buswidth;
slave_config.src_maxburst = dma_params->burstsize;
}
- ret = dmaengine_slave_config(iprtd->dma_chan, &slave_config);
+ ret = dmaengine_slave_config(chan, &slave_config);
if (ret)
return ret;
- return 0;
-}
-
-static int snd_imx_pcm_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *params)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct imx_pcm_runtime_data *iprtd = runtime->private_data;
- unsigned long dma_addr;
- struct dma_chan *chan;
- struct imx_pcm_dma_params *dma_params;
- int ret;
-
- dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
- ret = imx_ssi_dma_alloc(substream, params);
- if (ret)
- return ret;
- chan = iprtd->dma_chan;
-
- iprtd->size = params_buffer_bytes(params);
- iprtd->periods = params_periods(params);
- iprtd->period_bytes = params_period_bytes(params);
- iprtd->offset = 0;
- iprtd->period_time = HZ / (params_rate(params) /
- params_period_size(params));
-
snd_pcm_set_runtime_buffer(substream, &substream->dma_buffer);
- dma_addr = runtime->dma_addr;
-
- iprtd->buf = (unsigned int *)substream->dma_buffer.area;
-
- iprtd->desc = chan->device->device_prep_dma_cyclic(chan, dma_addr,
- iprtd->period_bytes * iprtd->periods,
- iprtd->period_bytes,
- substream->stream == SNDRV_PCM_STREAM_PLAYBACK ?
- DMA_MEM_TO_DEV : DMA_DEV_TO_MEM);
- if (!iprtd->desc) {
- dev_err(&chan->dev->device, "cannot prepare slave dma\n");
- return -EINVAL;
- }
-
- iprtd->desc->callback = audio_dma_irq;
- iprtd->desc->callback_param = substream;
-
return 0;
}
-static int snd_imx_pcm_hw_free(struct snd_pcm_substream *substream)
-{
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct imx_pcm_runtime_data *iprtd = runtime->private_data;
-
- if (iprtd->dma_chan) {
- dma_release_channel(iprtd->dma_chan);
- iprtd->dma_chan = NULL;
- }
-
- return 0;
-}
-
-static int snd_imx_pcm_prepare(struct snd_pcm_substream *substream)
-{
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct imx_pcm_dma_params *dma_params;
-
- dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
-
- return 0;
-}
-
-static int snd_imx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
-{
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct imx_pcm_runtime_data *iprtd = runtime->private_data;
-
- switch (cmd) {
- case SNDRV_PCM_TRIGGER_START:
- case SNDRV_PCM_TRIGGER_RESUME:
- case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
- dmaengine_submit(iprtd->desc);
-
- break;
-
- case SNDRV_PCM_TRIGGER_STOP:
- case SNDRV_PCM_TRIGGER_SUSPEND:
- case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
- dmaengine_terminate_all(iprtd->dma_chan);
-
- break;
- default:
- return -EINVAL;
- }
-
- return 0;
-}
-
-static snd_pcm_uframes_t snd_imx_pcm_pointer(struct snd_pcm_substream *substream)
-{
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct imx_pcm_runtime_data *iprtd = runtime->private_data;
-
- pr_debug("%s: %ld %ld\n", __func__, iprtd->offset,
- bytes_to_frames(substream->runtime, iprtd->offset));
-
- return bytes_to_frames(substream->runtime, iprtd->offset);
-}
-
static struct snd_pcm_hardware snd_imx_hardware = {
.info = SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -254,33 +99,37 @@ static struct snd_pcm_hardware snd_imx_hardware = {
static int snd_imx_open(struct snd_pcm_substream *substream)
{
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct imx_pcm_runtime_data *iprtd;
+ struct snd_soc_pcm_runtime *rtd = substream->private_data;
+ struct imx_pcm_dma_params *dma_params;
+ struct imx_dma_data *dma_data;
int ret;
- iprtd = kzalloc(sizeof(*iprtd), GFP_KERNEL);
- if (iprtd == NULL)
- return -ENOMEM;
- runtime->private_data = iprtd;
+ snd_soc_set_runtime_hwparams(substream, &snd_imx_hardware);
- ret = snd_pcm_hw_constraint_integer(substream->runtime,
- SNDRV_PCM_HW_PARAM_PERIODS);
- if (ret < 0) {
- kfree(iprtd);
- return ret;
+ dma_params = snd_soc_dai_get_dma_data(rtd->cpu_dai, substream);
+
+ dma_data = kzalloc(sizeof(*dma_data), GFP_KERNEL);
+ dma_data->peripheral_type = IMX_DMATYPE_SSI;
+ dma_data->priority = DMA_PRIO_HIGH;
+ dma_data->dma_request = dma_params->dma;
+
+ ret = snd_dmaengine_pcm_open(substream, filter, dma_data);
+ if (ret) {
+ kfree(dma_data);
+ return 0;
}
- snd_soc_set_runtime_hwparams(substream, &snd_imx_hardware);
+ snd_dmaengine_pcm_set_data(substream, dma_data);
return 0;
}
static int snd_imx_close(struct snd_pcm_substream *substream)
{
- struct snd_pcm_runtime *runtime = substream->runtime;
- struct imx_pcm_runtime_data *iprtd = runtime->private_data;
+ struct imx_dma_data *dma_data = snd_dmaengine_pcm_get_data(substream);
- kfree(iprtd);
+ snd_dmaengine_pcm_close(substream);
+ kfree(dma_data);
return 0;
}
@@ -290,10 +139,8 @@ static struct snd_pcm_ops imx_pcm_ops = {
.close = snd_imx_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_imx_pcm_hw_params,
- .hw_free = snd_imx_pcm_hw_free,
- .prepare = snd_imx_pcm_prepare,
- .trigger = snd_imx_pcm_trigger,
- .pointer = snd_imx_pcm_pointer,
+ .trigger = snd_dmaengine_pcm_trigger,
+ .pointer = snd_dmaengine_pcm_pointer,
.mmap = snd_imx_pcm_mmap,
};
@@ -305,11 +152,6 @@ static struct snd_soc_platform_driver imx_soc_platform_mx2 = {
static int __devinit imx_soc_platform_probe(struct platform_device *pdev)
{
- struct imx_ssi *ssi = platform_get_drvdata(pdev);
-
- ssi->dma_params_tx.burstsize = 6;
- ssi->dma_params_rx.burstsize = 4;
-
return snd_soc_register_platform(&pdev->dev, &imx_soc_platform_mx2);
}
diff --git a/sound/soc/imx/imx-pcm.c b/sound/soc/imx/imx-pcm.c
new file mode 100644
index 000000000000..93dc360b1777
--- /dev/null
+++ b/sound/soc/imx/imx-pcm.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright 2009 Sascha Hauer <s.hauer@pengutronix.de>
+ *
+ * This code is based on code copyrighted by Freescale,
+ * Liam Girdwood, Javier Martin and probably others.
+ *
+ * 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.
+ */
+
+#include <linux/dma-mapping.h>
+#include <linux/module.h>
+#include <sound/pcm.h>
+#include <sound/soc.h>
+#include "imx-pcm.h"
+
+int snd_imx_pcm_mmap(struct snd_pcm_substream *substream,
+ struct vm_area_struct *vma)
+{
+ struct snd_pcm_runtime *runtime = substream->runtime;
+ int ret;
+
+ ret = dma_mmap_writecombine(substream->pcm->card->dev, vma,
+ runtime->dma_area, runtime->dma_addr, runtime->dma_bytes);
+
+ pr_debug("%s: ret: %d %p 0x%08x 0x%08x\n", __func__, ret,
+ runtime->dma_area,
+ runtime->dma_addr,
+ runtime->dma_bytes);
+ return ret;
+}
+EXPORT_SYMBOL_GPL(snd_imx_pcm_mmap);
+
+static int imx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
+{
+ struct snd_pcm_substream *substream = pcm->streams[stream].substream;
+ struct snd_dma_buffer *buf = &substream->dma_buffer;
+ size_t size = IMX_SSI_DMABUF_SIZE;
+
+ 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);
+ if (!buf->area)
+ return -ENOMEM;
+ buf->bytes = size;
+
+ return 0;
+}
+
+static u64 imx_pcm_dmamask = DMA_BIT_MASK(32);
+
+int imx_pcm_new(struct snd_soc_pcm_runtime *rtd)
+{
+ struct snd_card *card = rtd->card->snd_card;
+ struct snd_pcm *pcm = rtd->pcm;
+ int ret = 0;
+
+ if (!card->dev->dma_mask)
+ card->dev->dma_mask = &imx_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 = imx_pcm_preallocate_dma_buffer(pcm,
+ SNDRV_PCM_STREAM_PLAYBACK);
+ if (ret)
+ goto out;
+ }
+
+ if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {
+ ret = imx_pcm_preallocate_dma_buffer(pcm,
+ SNDRV_PCM_STREAM_CAPTURE);
+ if (ret)
+ goto out;
+ }
+
+out:
+ return ret;
+}
+EXPORT_SYMBOL_GPL(imx_pcm_new);
+
+void imx_pcm_free(struct snd_pcm *pcm)
+{
+ struct snd_pcm_substream *substream;
+ struct snd_dma_buffer *buf;
+ int stream;
+
+ for (stream = 0; stream < 2; stream++) {
+ 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;
+ }
+}
+EXPORT_SYMBOL_GPL(imx_pcm_free);
diff --git a/sound/soc/imx/imx-pcm.h b/sound/soc/imx/imx-pcm.h
new file mode 100644
index 000000000000..b5f5c3acf34d
--- /dev/null
+++ b/sound/soc/imx/imx-pcm.h
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2009 Sascha Hauer <s.hauer@pengutronix.de>
+ *
+ * This code is based on code copyrighted by Freescale,
+ * Liam Girdwood, Javier Martin and probably others.
+ *
+ * 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.
+ */
+
+#ifndef _IMX_PCM_H
+#define _IMX_PCM_H
+
+/*
+ * Do not change this as the FIQ handler depends on this size
+ */
+#define IMX_SSI_DMABUF_SIZE (64 * 1024)
+
+struct imx_pcm_dma_params {
+ int dma;
+ unsigned long dma_addr;
+ int burstsize;
+};
+
+int snd_imx_pcm_mmap(struct snd_pcm_substream *substream,
+ struct vm_area_struct *vma);
+int imx_pcm_new(struct snd_soc_pcm_runtime *rtd);
+void imx_pcm_free(struct snd_pcm *pcm);
+
+#endif /* _IMX_PCM_H */
diff --git a/sound/soc/imx/imx-ssi.c b/sound/soc/imx/imx-ssi.c
index 01d1f749cf02..4f81ed456325 100644
--- a/sound/soc/imx/imx-ssi.c
+++ b/sound/soc/imx/imx-ssi.c
@@ -112,7 +112,7 @@ static int imx_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt)
break;
case SND_SOC_DAIFMT_DSP_A:
/* data on rising edge of bclk, frame high 1clk before data */
- strcr |= SSI_STCR_TFSL | SSI_STCR_TEFS;
+ strcr |= SSI_STCR_TFSL | SSI_STCR_TXBIT0 | SSI_STCR_TEFS;
break;
}
@@ -233,6 +233,23 @@ static int imx_ssi_set_dai_clkdiv(struct snd_soc_dai *cpu_dai,
return 0;
}
+static int imx_ssi_startup(struct snd_pcm_substream *substream,
+ struct snd_soc_dai *cpu_dai)
+{
+ struct imx_ssi *ssi = snd_soc_dai_get_drvdata(cpu_dai);
+ struct imx_pcm_dma_params *dma_data;
+
+ /* Tx/Rx config */
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
+ dma_data = &ssi->dma_params_tx;
+ else
+ dma_data = &ssi->dma_params_rx;
+
+ snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
+
+ return 0;
+}
+
/*
* Should only be called when port is inactive (i.e. SSIEN = 0),
* although can be called multiple times by upper layers.
@@ -242,23 +259,17 @@ static int imx_ssi_hw_params(struct snd_pcm_substream *substream,
struct snd_soc_dai *cpu_dai)
{
struct imx_ssi *ssi = snd_soc_dai_get_drvdata(cpu_dai);
- struct imx_pcm_dma_params *dma_data;
u32 reg, sccr;
/* Tx/Rx config */
- if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
reg = SSI_STCCR;
- dma_data = &ssi->dma_params_tx;
- } else {
+ else
reg = SSI_SRCCR;
- dma_data = &ssi->dma_params_rx;
- }
if (ssi->flags & IMX_SSI_SYN)
reg = SSI_STCCR;
- snd_soc_dai_set_dma_data(cpu_dai, substream, dma_data);
-
sccr = readl(ssi->base + reg) & ~SSI_STCCR_WL_MASK;
/* DAI data (word) size */
@@ -343,6 +354,7 @@ static int imx_ssi_trigger(struct snd_pcm_substream *substream, int cmd,
}
static const struct snd_soc_dai_ops imx_ssi_pcm_dai_ops = {
+ .startup = imx_ssi_startup,
.hw_params = imx_ssi_hw_params,
.set_fmt = imx_ssi_set_dai_fmt,
.set_clkdiv = imx_ssi_set_dai_clkdiv,
@@ -351,94 +363,6 @@ static const struct snd_soc_dai_ops imx_ssi_pcm_dai_ops = {
.trigger = imx_ssi_trigger,
};
-int snd_imx_pcm_mmap(struct snd_pcm_substream *substream,
- struct vm_area_struct *vma)
-{
- struct snd_pcm_runtime *runtime = substream->runtime;
- int ret;
-
- ret = dma_mmap_writecombine(substream->pcm->card->dev, vma,
- runtime->dma_area, runtime->dma_addr, runtime->dma_bytes);
-
- pr_debug("%s: ret: %d %p 0x%08x 0x%08x\n", __func__, ret,
- runtime->dma_area,
- runtime->dma_addr,
- runtime->dma_bytes);
- return ret;
-}
-EXPORT_SYMBOL_GPL(snd_imx_pcm_mmap);
-
-static int imx_pcm_preallocate_dma_buffer(struct snd_pcm *pcm, int stream)
-{
- struct snd_pcm_substream *substream = pcm->streams[stream].substream;
- struct snd_dma_buffer *buf = &substream->dma_buffer;
- size_t size = IMX_SSI_DMABUF_SIZE;
-
- 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);
- if (!buf->area)
- return -ENOMEM;
- buf->bytes = size;
-
- return 0;
-}
-
-static u64 imx_pcm_dmamask = DMA_BIT_MASK(32);
-
-int imx_pcm_new(struct snd_soc_pcm_runtime *rtd)
-{
- struct snd_card *card = rtd->card->snd_card;
- struct snd_pcm *pcm = rtd->pcm;
- int ret = 0;
-
- if (!card->dev->dma_mask)
- card->dev->dma_mask = &imx_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 = imx_pcm_preallocate_dma_buffer(pcm,
- SNDRV_PCM_STREAM_PLAYBACK);
- if (ret)
- goto out;
- }
-
- if (pcm->streams[SNDRV_PCM_STREAM_CAPTURE].substream) {
- ret = imx_pcm_preallocate_dma_buffer(pcm,
- SNDRV_PCM_STREAM_CAPTURE);
- if (ret)
- goto out;
- }
-
-out:
- return ret;
-}
-EXPORT_SYMBOL_GPL(imx_pcm_new);
-
-void imx_pcm_free(struct snd_pcm *pcm)
-{
- struct snd_pcm_substream *substream;
- struct snd_dma_buffer *buf;
- int stream;
-
- for (stream = 0; stream < 2; stream++) {
- 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;
- }
-}
-EXPORT_SYMBOL_GPL(imx_pcm_free);
-
static int imx_ssi_dai_probe(struct snd_soc_dai *dai)
{
struct imx_ssi *ssi = dev_get_drvdata(dai->dev);
@@ -656,7 +580,7 @@ static int imx_ssi_probe(struct platform_device *pdev)
ssi->dma_params_rx.dma_addr = res->start + SSI_SRX0;
ssi->dma_params_tx.dma_addr = res->start + SSI_STX0;
- ssi->dma_params_tx.burstsize = 4;
+ ssi->dma_params_tx.burstsize = 6;
ssi->dma_params_rx.burstsize = 4;
res = platform_get_resource_byname(pdev, IORESOURCE_DMA, "tx0");
diff --git a/sound/soc/imx/imx-ssi.h b/sound/soc/imx/imx-ssi.h
index 1072dfb53e47..5744e86ca878 100644
--- a/sound/soc/imx/imx-ssi.h
+++ b/sound/soc/imx/imx-ssi.h
@@ -187,12 +187,7 @@
#include <linux/dmaengine.h>
#include <mach/dma.h>
-
-struct imx_pcm_dma_params {
- int dma;
- unsigned long dma_addr;
- int burstsize;
-};
+#include "imx-pcm.h"
struct imx_ssi {
struct platform_device *ac97_dev;
@@ -218,13 +213,4 @@ struct imx_ssi {
struct platform_device *soc_platform_pdev_fiq;
};
-int snd_imx_pcm_mmap(struct snd_pcm_substream *substream, struct vm_area_struct *vma);
-int imx_pcm_new(struct snd_soc_pcm_runtime *rtd);
-void imx_pcm_free(struct snd_pcm *pcm);
-
-/*
- * Do not change this as the FIQ handler depends on this size
- */
-#define IMX_SSI_DMABUF_SIZE (64 * 1024)
-
#endif /* _IMX_SSI_H */
diff --git a/sound/soc/imx/mx27vis-aic32x4.c b/sound/soc/imx/mx27vis-aic32x4.c
index 3c2eed9094d5..f6d04ad4bb39 100644
--- a/sound/soc/imx/mx27vis-aic32x4.c
+++ b/sound/soc/imx/mx27vis-aic32x4.c
@@ -25,15 +25,36 @@
#include <linux/moduleparam.h>
#include <linux/device.h>
#include <linux/i2c.h>
+#include <linux/gpio.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/soc-dapm.h>
+#include <sound/tlv.h>
#include <asm/mach-types.h>
-#include <mach/audmux.h>
+#include <mach/iomux-mx27.h>
#include "../codecs/tlv320aic32x4.h"
#include "imx-ssi.h"
+#include "imx-audmux.h"
+
+#define MX27VIS_AMP_GAIN 0
+#define MX27VIS_AMP_MUTE 1
+
+#define MX27VIS_PIN_G0 (GPIO_PORTF + 9)
+#define MX27VIS_PIN_G1 (GPIO_PORTF + 8)
+#define MX27VIS_PIN_SDL (GPIO_PORTE + 5)
+#define MX27VIS_PIN_SDR (GPIO_PORTF + 7)
+
+static int mx27vis_amp_gain;
+static int mx27vis_amp_mute;
+
+static const int mx27vis_amp_pins[] = {
+ MX27VIS_PIN_G0 | GPIO_GPIO | GPIO_OUT,
+ MX27VIS_PIN_G1 | GPIO_GPIO | GPIO_OUT,
+ MX27VIS_PIN_SDL | GPIO_GPIO | GPIO_OUT,
+ MX27VIS_PIN_SDR | GPIO_GPIO | GPIO_OUT,
+};
static int mx27vis_aic32x4_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params)
@@ -74,6 +95,76 @@ static struct snd_soc_ops mx27vis_aic32x4_snd_ops = {
.hw_params = mx27vis_aic32x4_hw_params,
};
+static int mx27vis_amp_set(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ int value = ucontrol->value.integer.value[0];
+ unsigned int reg = mc->reg;
+ int max = mc->max;
+
+ if (value > max)
+ return -EINVAL;
+
+ switch (reg) {
+ case MX27VIS_AMP_GAIN:
+ gpio_set_value(MX27VIS_PIN_G0, value & 1);
+ gpio_set_value(MX27VIS_PIN_G1, value >> 1);
+ mx27vis_amp_gain = value;
+ break;
+ case MX27VIS_AMP_MUTE:
+ gpio_set_value(MX27VIS_PIN_SDL, value & 1);
+ gpio_set_value(MX27VIS_PIN_SDR, value >> 1);
+ mx27vis_amp_mute = value;
+ break;
+ }
+ return 0;
+}
+
+static int mx27vis_amp_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct soc_mixer_control *mc =
+ (struct soc_mixer_control *)kcontrol->private_value;
+ unsigned int reg = mc->reg;
+
+ switch (reg) {
+ case MX27VIS_AMP_GAIN:
+ ucontrol->value.integer.value[0] = mx27vis_amp_gain;
+ break;
+ case MX27VIS_AMP_MUTE:
+ ucontrol->value.integer.value[0] = mx27vis_amp_mute;
+ break;
+ }
+ return 0;
+}
+
+/* From 6dB to 24dB in steps of 6dB */
+static const DECLARE_TLV_DB_SCALE(mx27vis_amp_tlv, 600, 600, 0);
+
+static const struct snd_kcontrol_new mx27vis_aic32x4_controls[] = {
+ SOC_DAPM_PIN_SWITCH("External Mic"),
+ SOC_SINGLE_EXT_TLV("LO Ext Boost", MX27VIS_AMP_GAIN, 0, 3, 0,
+ mx27vis_amp_get, mx27vis_amp_set, mx27vis_amp_tlv),
+ SOC_DOUBLE_EXT("LO Ext Mute Switch", MX27VIS_AMP_MUTE, 0, 1, 1, 0,
+ mx27vis_amp_get, mx27vis_amp_set),
+};
+
+static const struct snd_soc_dapm_widget aic32x4_dapm_widgets[] = {
+ SND_SOC_DAPM_MIC("External Mic", NULL),
+};
+
+static const struct snd_soc_dapm_route aic32x4_dapm_routes[] = {
+ {"Mic Bias", NULL, "External Mic"},
+ {"IN1_R", NULL, "Mic Bias"},
+ {"IN2_R", NULL, "Mic Bias"},
+ {"IN3_R", NULL, "Mic Bias"},
+ {"IN1_L", NULL, "Mic Bias"},
+ {"IN2_L", NULL, "Mic Bias"},
+ {"IN3_L", NULL, "Mic Bias"},
+};
+
static struct snd_soc_dai_link mx27vis_aic32x4_dai = {
.name = "tlv320aic32x4",
.stream_name = "TLV320AIC32X4",
@@ -89,50 +180,66 @@ static struct snd_soc_card mx27vis_aic32x4 = {
.owner = THIS_MODULE,
.dai_link = &mx27vis_aic32x4_dai,
.num_links = 1,
+ .controls = mx27vis_aic32x4_controls,
+ .num_controls = ARRAY_SIZE(mx27vis_aic32x4_controls),
+ .dapm_widgets = aic32x4_dapm_widgets,
+ .num_dapm_widgets = ARRAY_SIZE(aic32x4_dapm_widgets),
+ .dapm_routes = aic32x4_dapm_routes,
+ .num_dapm_routes = ARRAY_SIZE(aic32x4_dapm_routes),
};
-static struct platform_device *mx27vis_aic32x4_snd_device;
-
-static int __init mx27vis_aic32x4_init(void)
+static int __devinit mx27vis_aic32x4_probe(struct platform_device *pdev)
{
int ret;
- mx27vis_aic32x4_snd_device = platform_device_alloc("soc-audio", -1);
- if (!mx27vis_aic32x4_snd_device)
- return -ENOMEM;
-
- platform_set_drvdata(mx27vis_aic32x4_snd_device, &mx27vis_aic32x4);
- ret = platform_device_add(mx27vis_aic32x4_snd_device);
-
+ mx27vis_aic32x4.dev = &pdev->dev;
+ ret = snd_soc_register_card(&mx27vis_aic32x4);
if (ret) {
- printk(KERN_ERR "ASoC: Platform device allocation failed\n");
- platform_device_put(mx27vis_aic32x4_snd_device);
+ dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
+ ret);
+ return ret;
}
/* Connect SSI0 as clock slave to SSI1 external pins */
- mxc_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
- MXC_AUDMUX_V1_PCR_SYN |
- MXC_AUDMUX_V1_PCR_TFSDIR |
- MXC_AUDMUX_V1_PCR_TCLKDIR |
- MXC_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_PPCR1_SSI_PINS_1) |
- MXC_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_PPCR1_SSI_PINS_1)
+ imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
+ IMX_AUDMUX_V1_PCR_SYN |
+ IMX_AUDMUX_V1_PCR_TFSDIR |
+ IMX_AUDMUX_V1_PCR_TCLKDIR |
+ IMX_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_PPCR1_SSI_PINS_1) |
+ IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_PPCR1_SSI_PINS_1)
);
- mxc_audmux_v1_configure_port(MX27_AUDMUX_PPCR1_SSI_PINS_1,
- MXC_AUDMUX_V1_PCR_SYN |
- MXC_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0)
+ imx_audmux_v1_configure_port(MX27_AUDMUX_PPCR1_SSI_PINS_1,
+ IMX_AUDMUX_V1_PCR_SYN |
+ IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0)
);
+ ret = mxc_gpio_setup_multiple_pins(mx27vis_amp_pins,
+ ARRAY_SIZE(mx27vis_amp_pins), "MX27VIS_AMP");
+ if (ret)
+ printk(KERN_ERR "ASoC: unable to setup gpios\n");
+
return ret;
}
-static void __exit mx27vis_aic32x4_exit(void)
+static int __devexit mx27vis_aic32x4_remove(struct platform_device *pdev)
{
- platform_device_unregister(mx27vis_aic32x4_snd_device);
+ snd_soc_unregister_card(&mx27vis_aic32x4);
+
+ return 0;
}
-module_init(mx27vis_aic32x4_init);
-module_exit(mx27vis_aic32x4_exit);
+static struct platform_driver mx27vis_aic32x4_audio_driver = {
+ .driver = {
+ .name = "mx27vis",
+ .owner = THIS_MODULE,
+ },
+ .probe = mx27vis_aic32x4_probe,
+ .remove = __devexit_p(mx27vis_aic32x4_remove),
+};
+
+module_platform_driver(mx27vis_aic32x4_audio_driver);
MODULE_AUTHOR("Javier Martin <javier.martin@vista-silicon.com>");
MODULE_DESCRIPTION("ALSA SoC AIC32X4 mx27 visstrim");
MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:mx27vis");
diff --git a/sound/soc/imx/phycore-ac97.c b/sound/soc/imx/phycore-ac97.c
index 6ac12111de6a..f8da6dd115ed 100644
--- a/sound/soc/imx/phycore-ac97.c
+++ b/sound/soc/imx/phycore-ac97.c
@@ -19,6 +19,8 @@
#include <sound/soc.h>
#include <asm/mach-types.h>
+#include "imx-audmux.h"
+
static struct snd_soc_card imx_phycore;
static struct snd_soc_ops imx_phycore_hifi_ops = {
@@ -50,9 +52,32 @@ static int __init imx_phycore_init(void)
{
int ret;
- if (!machine_is_pcm043() && !machine_is_pca100())
+ if (machine_is_pca100()) {
+ imx_audmux_v1_configure_port(MX27_AUDMUX_HPCR1_SSI0,
+ IMX_AUDMUX_V1_PCR_SYN | /* 4wire mode */
+ IMX_AUDMUX_V1_PCR_TFCSEL(3) |
+ IMX_AUDMUX_V1_PCR_TCLKDIR | /* clock is output */
+ IMX_AUDMUX_V1_PCR_RXDSEL(3));
+ imx_audmux_v1_configure_port(3,
+ IMX_AUDMUX_V1_PCR_SYN | /* 4wire mode */
+ IMX_AUDMUX_V1_PCR_TFCSEL(0) |
+ IMX_AUDMUX_V1_PCR_TFSDIR |
+ IMX_AUDMUX_V1_PCR_RXDSEL(0));
+ } else if (machine_is_pcm043()) {
+ imx_audmux_v2_configure_port(3,
+ IMX_AUDMUX_V2_PTCR_SYN | /* 4wire mode */
+ IMX_AUDMUX_V2_PTCR_TFSEL(0) |
+ IMX_AUDMUX_V2_PTCR_TFSDIR,
+ IMX_AUDMUX_V2_PDCR_RXDSEL(0));
+ imx_audmux_v2_configure_port(0,
+ IMX_AUDMUX_V2_PTCR_SYN | /* 4wire mode */
+ IMX_AUDMUX_V2_PTCR_TCSEL(3) |
+ IMX_AUDMUX_V2_PTCR_TCLKDIR, /* clock is output */
+ IMX_AUDMUX_V2_PDCR_RXDSEL(3));
+ } else {
/* return happy. We might run on a totally different machine */
return 0;
+ }
imx_phycore_snd_ac97_device = platform_device_alloc("soc-audio", -1);
if (!imx_phycore_snd_ac97_device)
diff --git a/sound/soc/imx/wm1133-ev1.c b/sound/soc/imx/wm1133-ev1.c
index 37480c90e997..fe54a69073e5 100644
--- a/sound/soc/imx/wm1133-ev1.c
+++ b/sound/soc/imx/wm1133-ev1.c
@@ -21,10 +21,9 @@
#include <sound/pcm_params.h>
#include <sound/soc.h>
-#include <mach/audmux.h>
-
#include "imx-ssi.h"
#include "../codecs/wm8350.h"
+#include "imx-audmux.h"
/* There is a silicon mic on the board optionally connected via a solder pad
* SP1. Define this to enable it.
@@ -268,17 +267,17 @@ static int __init wm1133_ev1_audio_init(void)
unsigned int ptcr, pdcr;
/* SSI0 mastered by port 5 */
- ptcr = MXC_AUDMUX_V2_PTCR_SYN |
- MXC_AUDMUX_V2_PTCR_TFSDIR |
- MXC_AUDMUX_V2_PTCR_TFSEL(MX31_AUDMUX_PORT5_SSI_PINS_5) |
- MXC_AUDMUX_V2_PTCR_TCLKDIR |
- MXC_AUDMUX_V2_PTCR_TCSEL(MX31_AUDMUX_PORT5_SSI_PINS_5);
- pdcr = MXC_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT5_SSI_PINS_5);
- mxc_audmux_v2_configure_port(MX31_AUDMUX_PORT1_SSI0, ptcr, pdcr);
-
- ptcr = MXC_AUDMUX_V2_PTCR_SYN;
- pdcr = MXC_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT1_SSI0);
- mxc_audmux_v2_configure_port(MX31_AUDMUX_PORT5_SSI_PINS_5, ptcr, pdcr);
+ ptcr = IMX_AUDMUX_V2_PTCR_SYN |
+ IMX_AUDMUX_V2_PTCR_TFSDIR |
+ IMX_AUDMUX_V2_PTCR_TFSEL(MX31_AUDMUX_PORT5_SSI_PINS_5) |
+ IMX_AUDMUX_V2_PTCR_TCLKDIR |
+ IMX_AUDMUX_V2_PTCR_TCSEL(MX31_AUDMUX_PORT5_SSI_PINS_5);
+ pdcr = IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT5_SSI_PINS_5);
+ imx_audmux_v2_configure_port(MX31_AUDMUX_PORT1_SSI0, ptcr, pdcr);
+
+ ptcr = IMX_AUDMUX_V2_PTCR_SYN;
+ pdcr = IMX_AUDMUX_V2_PDCR_RXDSEL(MX31_AUDMUX_PORT1_SSI0);
+ imx_audmux_v2_configure_port(MX31_AUDMUX_PORT5_SSI_PINS_5, ptcr, pdcr);
wm1133_ev1_snd_device = platform_device_alloc("soc-audio", -1);
if (!wm1133_ev1_snd_device)
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