bool
select MACH_MX21
select CPU_ARM926T
- select ARCH_MXC_AUDMUX
select IMX_HAVE_DMA_V1
select IMX_HAVE_IOMUX_V1
select MXC_AVIC
bool
select ARCH_MX25
select CPU_ARM926T
- select ARCH_MXC_AUDMUX
select ARCH_MXC_IOMUX_V3
select MXC_AVIC
bool
select MACH_MX27
select CPU_ARM926T
- select ARCH_MXC_AUDMUX
select IMX_HAVE_DMA_V1
select IMX_HAVE_IOMUX_V1
select MXC_AVIC
bool
select CPU_V6
select IMX_HAVE_PLATFORM_MXC_RNGA
- select ARCH_MXC_AUDMUX
select MXC_AVIC
select SMP_ON_UP if SMP
bool
select CPU_V6
select ARCH_MXC_IOMUX_V3
- select ARCH_MXC_AUDMUX
select HAVE_EPIT
select MXC_AVIC
select SMP_ON_UP if SMP
select CPU_V7
select MXC_TZIC
select ARCH_MXC_IOMUX_V3
- select ARCH_MXC_AUDMUX
select ARCH_HAS_CPUFREQ
select ARCH_MX5
bool
#include <mach/hardware.h>
#include <mach/common.h>
#include <mach/iomux-mx51.h>
-#include <mach/audmux.h>
#include "devices-imx51.h"
config ARCH_MXC_IOMUX_V3
bool
-config ARCH_MXC_AUDMUX
- bool
-
config IRAM_ALLOC
bool
select GENERIC_ALLOCATOR
obj-$(CONFIG_MXC_PWM) += pwm.o
obj-$(CONFIG_MXC_ULPI) += ulpi.o
obj-$(CONFIG_MXC_USE_EPIT) += epit.o
-obj-$(CONFIG_ARCH_MXC_AUDMUX) += audmux.o
obj-$(CONFIG_MXC_DEBUG_BOARD) += 3ds_debugboard.o
obj-$(CONFIG_CPU_FREQ_IMX) += cpufreq.o
ifdef CONFIG_SND_IMX_SOC
+++ /dev/null
-/*
- * 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/platform_device.h>
-#include <linux/slab.h>
-#include <mach/audmux.h>
-
-#define DRIVER_NAME "imx-audmux"
-
-static struct clk *audmux_clk;
-static void __iomem *audmux_base;
-
-#define MXC_AUDMUX_V2_PTCR(x) ((x) * 8)
-#define MXC_AUDMUX_V2_PDCR(x) ((x) * 8 + 4)
-
-#ifdef CONFIG_DEBUG_FS
-static struct dentry *audmux_debugfs_root;
-
-static int audmux_open_file(struct inode *inode, struct file *file)
-{
- file->private_data = inode->i_private;
- return 0;
-}
-
-/* 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_enable(audmux_clk);
-
- ptcr = readl(audmux_base + MXC_AUDMUX_V2_PTCR(port));
- pdcr = readl(audmux_base + MXC_AUDMUX_V2_PDCR(port));
-
- if (audmux_clk)
- clk_disable(audmux_clk);
-
- ret = snprintf(buf, PAGE_SIZE, "PDCR: %08x\nPTCR: %08x\n",
- pdcr, ptcr);
-
- if (ptcr & MXC_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 & MXC_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 & MXC_AUDMUX_V2_PTCR_SYN) {
- ret += snprintf(buf + ret, PAGE_SIZE - ret,
- "Port is symmetric");
- } else {
- if (ptcr & MXC_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 & MXC_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 = audmux_open_file,
- .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 __exit 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 uint8_t port_mapping[] = {
- 0x0, 0x4, 0x8, 0x10, 0x14, 0x1c,
-};
-
-int mxc_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(mxc_audmux_v1_configure_port);
-
-int mxc_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_enable(audmux_clk);
-
- writel(ptcr, audmux_base + MXC_AUDMUX_V2_PTCR(port));
- writel(pdcr, audmux_base + MXC_AUDMUX_V2_PDCR(port));
-
- if (audmux_clk)
- clk_disable(audmux_clk);
-
- return 0;
-}
-EXPORT_SYMBOL_GPL(mxc_audmux_v2_configure_port);
-
-static int __init imx_audmux_probe(struct platform_device *pdev)
-{
- struct resource *res;
-
- 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;
- }
-
- audmux_type = pdev->id_entry->driver_data;
- if (audmux_type == IMX31_AUDMUX)
- audmux_debugfs_init();
-
- return 0;
-}
-
-static int __exit 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 = __exit_p(imx_audmux_remove),
- .id_table = imx_audmux_ids,
- .driver = {
- .name = DRIVER_NAME,
- .owner = THIS_MODULE,
- }
-};
-
-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);
+++ /dev/null
-#ifndef __MACH_AUDMUX_H
-#define __MACH_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 MXC_AUDMUX_V1_PCR_INMMASK(x) ((x) & 0xff)
-#define MXC_AUDMUX_V1_PCR_INMEN (1 << 8)
-#define MXC_AUDMUX_V1_PCR_TXRXEN (1 << 10)
-#define MXC_AUDMUX_V1_PCR_SYN (1 << 12)
-#define MXC_AUDMUX_V1_PCR_RXDSEL(x) (((x) & 0x7) << 13)
-#define MXC_AUDMUX_V1_PCR_RFCSEL(x) (((x) & 0xf) << 20)
-#define MXC_AUDMUX_V1_PCR_RCLKDIR (1 << 24)
-#define MXC_AUDMUX_V1_PCR_RFSDIR (1 << 25)
-#define MXC_AUDMUX_V1_PCR_TFCSEL(x) (((x) & 0xf) << 26)
-#define MXC_AUDMUX_V1_PCR_TCLKDIR (1 << 30)
-#define MXC_AUDMUX_V1_PCR_TFSDIR (1 << 31)
-
-/* Register definitions for the i.MX25/31/35/51 Digital Audio Multiplexer */
-#define MXC_AUDMUX_V2_PTCR_TFSDIR (1 << 31)
-#define MXC_AUDMUX_V2_PTCR_TFSEL(x) (((x) & 0xf) << 27)
-#define MXC_AUDMUX_V2_PTCR_TCLKDIR (1 << 26)
-#define MXC_AUDMUX_V2_PTCR_TCSEL(x) (((x) & 0xf) << 22)
-#define MXC_AUDMUX_V2_PTCR_RFSDIR (1 << 21)
-#define MXC_AUDMUX_V2_PTCR_RFSEL(x) (((x) & 0xf) << 17)
-#define MXC_AUDMUX_V2_PTCR_RCLKDIR (1 << 16)
-#define MXC_AUDMUX_V2_PTCR_RCSEL(x) (((x) & 0xf) << 12)
-#define MXC_AUDMUX_V2_PTCR_SYN (1 << 11)
-
-#define MXC_AUDMUX_V2_PDCR_RXDSEL(x) (((x) & 0x7) << 13)
-#define MXC_AUDMUX_V2_PDCR_TXRXEN (1 << 12)
-#define MXC_AUDMUX_V2_PDCR_MODE(x) (((x) & 0x3) << 8)
-#define MXC_AUDMUX_V2_PDCR_INMMASK(x) ((x) & 0xff)
-
-int mxc_audmux_v1_configure_port(unsigned int port, unsigned int pcr);
-
-int mxc_audmux_v2_configure_port(unsigned int port, unsigned int ptcr,
- unsigned int pdcr);
-
-#endif /* __MACH_AUDMUX_H */
select SND_SOC_DMAENGINE_PCM
tristate
+config SND_SOC_IMX_AUDMUX
+ tristate
+
config SND_MXC_SOC_WM1133_EV1
tristate "Audio on the the i.MX31ADS with WM1133-EV1 fitted"
depends on MACH_MX31ADS_WM1133_EV1 && EXPERIMENTAL
select SND_SOC_WM8350
select SND_MXC_SOC_FIQ
+ select SND_SOC_IMX_AUDMUX
help
Enable support for audio on the i.MX31ADS with the WM1133-EV1
PMIC board with WM8835x fitted.
depends on MACH_IMX27_VISSTRIM_M10 && I2C
select SND_SOC_TLV320AIC32X4
select SND_MXC_SOC_MX2
+ select SND_SOC_IMX_AUDMUX
help
Say Y if you want to add support for SoC audio on Visstrim SM10
board with TLV320AIC32X4 codec.
select SND_SOC_AC97_BUS
select SND_SOC_WM9712
select SND_MXC_SOC_FIQ
+ select SND_SOC_IMX_AUDMUX
help
Say Y if you want to add support for SoC audio on Phytec phyCORE
and phyCARD boards in AC97 mode
depends on I2C
select SND_SOC_TLV320AIC23
select SND_MXC_SOC_FIQ
+ select SND_SOC_IMX_AUDMUX
help
Enable I2S based access to the TLV320AIC23B codec attached
to the SSI interface
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-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_AUDMUX) += snd-soc-imx-audmux.o
# i.MX Machine Support
snd-soc-eukrea-tlv320-objs := eukrea-tlv320.o
#include <sound/pcm.h>
#include <sound/soc.h>
#include <asm/mach-types.h>
-#include <mach/audmux.h>
#include "../codecs/tlv320aic23.h"
#include "imx-ssi.h"
+#include "imx-audmux.h"
#define CODEC_CLOCK 12000000
--- /dev/null
+/*
+ * 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/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 MXC_AUDMUX_V2_PTCR(x) ((x) * 8)
+#define MXC_AUDMUX_V2_PDCR(x) ((x) * 8 + 4)
+
+#ifdef CONFIG_DEBUG_FS
+static struct dentry *audmux_debugfs_root;
+
+static int audmux_open_file(struct inode *inode, struct file *file)
+{
+ file->private_data = inode->i_private;
+ return 0;
+}
+
+/* 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_enable(audmux_clk);
+
+ ptcr = readl(audmux_base + MXC_AUDMUX_V2_PTCR(port));
+ pdcr = readl(audmux_base + MXC_AUDMUX_V2_PDCR(port));
+
+ if (audmux_clk)
+ clk_disable(audmux_clk);
+
+ ret = snprintf(buf, PAGE_SIZE, "PDCR: %08x\nPTCR: %08x\n",
+ pdcr, ptcr);
+
+ if (ptcr & MXC_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 & MXC_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 & MXC_AUDMUX_V2_PTCR_SYN) {
+ ret += snprintf(buf + ret, PAGE_SIZE - ret,
+ "Port is symmetric");
+ } else {
+ if (ptcr & MXC_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 & MXC_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 = audmux_open_file,
+ .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 __exit 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 uint8_t port_mapping[] = {
+ 0x0, 0x4, 0x8, 0x10, 0x14, 0x1c,
+};
+
+int mxc_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(mxc_audmux_v1_configure_port);
+
+int mxc_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_enable(audmux_clk);
+
+ writel(ptcr, audmux_base + MXC_AUDMUX_V2_PTCR(port));
+ writel(pdcr, audmux_base + MXC_AUDMUX_V2_PDCR(port));
+
+ if (audmux_clk)
+ clk_disable(audmux_clk);
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(mxc_audmux_v2_configure_port);
+
+static int __init imx_audmux_probe(struct platform_device *pdev)
+{
+ struct resource *res;
+
+ 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;
+ }
+
+ audmux_type = pdev->id_entry->driver_data;
+ if (audmux_type == IMX31_AUDMUX)
+ audmux_debugfs_init();
+
+ return 0;
+}
+
+static int __exit 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 = __exit_p(imx_audmux_remove),
+ .id_table = imx_audmux_ids,
+ .driver = {
+ .name = DRIVER_NAME,
+ .owner = THIS_MODULE,
+ }
+};
+
+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);
--- /dev/null
+#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 MXC_AUDMUX_V1_PCR_INMMASK(x) ((x) & 0xff)
+#define MXC_AUDMUX_V1_PCR_INMEN (1 << 8)
+#define MXC_AUDMUX_V1_PCR_TXRXEN (1 << 10)
+#define MXC_AUDMUX_V1_PCR_SYN (1 << 12)
+#define MXC_AUDMUX_V1_PCR_RXDSEL(x) (((x) & 0x7) << 13)
+#define MXC_AUDMUX_V1_PCR_RFCSEL(x) (((x) & 0xf) << 20)
+#define MXC_AUDMUX_V1_PCR_RCLKDIR (1 << 24)
+#define MXC_AUDMUX_V1_PCR_RFSDIR (1 << 25)
+#define MXC_AUDMUX_V1_PCR_TFCSEL(x) (((x) & 0xf) << 26)
+#define MXC_AUDMUX_V1_PCR_TCLKDIR (1 << 30)
+#define MXC_AUDMUX_V1_PCR_TFSDIR (1 << 31)
+
+/* Register definitions for the i.MX25/31/35/51 Digital Audio Multiplexer */
+#define MXC_AUDMUX_V2_PTCR_TFSDIR (1 << 31)
+#define MXC_AUDMUX_V2_PTCR_TFSEL(x) (((x) & 0xf) << 27)
+#define MXC_AUDMUX_V2_PTCR_TCLKDIR (1 << 26)
+#define MXC_AUDMUX_V2_PTCR_TCSEL(x) (((x) & 0xf) << 22)
+#define MXC_AUDMUX_V2_PTCR_RFSDIR (1 << 21)
+#define MXC_AUDMUX_V2_PTCR_RFSEL(x) (((x) & 0xf) << 17)
+#define MXC_AUDMUX_V2_PTCR_RCLKDIR (1 << 16)
+#define MXC_AUDMUX_V2_PTCR_RCSEL(x) (((x) & 0xf) << 12)
+#define MXC_AUDMUX_V2_PTCR_SYN (1 << 11)
+
+#define MXC_AUDMUX_V2_PDCR_RXDSEL(x) (((x) & 0x7) << 13)
+#define MXC_AUDMUX_V2_PDCR_TXRXEN (1 << 12)
+#define MXC_AUDMUX_V2_PDCR_MODE(x) (((x) & 0x3) << 8)
+#define MXC_AUDMUX_V2_PDCR_INMMASK(x) ((x) & 0xff)
+
+int mxc_audmux_v1_configure_port(unsigned int port, unsigned int pcr);
+
+int mxc_audmux_v2_configure_port(unsigned int port, unsigned int ptcr,
+ unsigned int pdcr);
+
+#endif /* __IMX_AUDMUX_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
#include <sound/pcm.h>
#include <sound/soc.h>
#include <asm/mach-types.h>
-#include <mach/audmux.h>
+
+#include "imx-audmux.h"
static struct snd_soc_card imx_phycore;
#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.
projects / deliverable / linux.git / commitdiff
