From: Shawn Guo <shawn.guo@linaro.org>
Date: Mon, 5 Mar 2012 14:30:51 +0000 (+0800)
Subject: ARM: imx: merge audmux-v1 and audmux-v2
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=2405fc9728a3ed7dffc36bee68f0c36e4488212d;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git
ARM: imx: merge audmux-v1 and audmux-v2
It merges audmux-v1 and audmux-v2 under arch/arm/plat-mxc into one.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
---
diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 4defb97bbfc8..495a8543e71e 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -46,7 +46,7 @@ config SOC_IMX21
bool
select MACH_MX21
select CPU_ARM926T
- select ARCH_MXC_AUDMUX_V1
+ select ARCH_MXC_AUDMUX
select IMX_HAVE_DMA_V1
select IMX_HAVE_IOMUX_V1
select MXC_AVIC
@@ -55,7 +55,7 @@ config SOC_IMX25
bool
select ARCH_MX25
select CPU_ARM926T
- select ARCH_MXC_AUDMUX_V2
+ select ARCH_MXC_AUDMUX
select ARCH_MXC_IOMUX_V3
select MXC_AVIC
@@ -63,7 +63,7 @@ config SOC_IMX27
bool
select MACH_MX27
select CPU_ARM926T
- select ARCH_MXC_AUDMUX_V1
+ select ARCH_MXC_AUDMUX
select IMX_HAVE_DMA_V1
select IMX_HAVE_IOMUX_V1
select MXC_AVIC
@@ -72,7 +72,7 @@ config SOC_IMX31
bool
select CPU_V6
select IMX_HAVE_PLATFORM_MXC_RNGA
- select ARCH_MXC_AUDMUX_V2
+ select ARCH_MXC_AUDMUX
select MXC_AVIC
select SMP_ON_UP if SMP
@@ -80,7 +80,7 @@ config SOC_IMX35
bool
select CPU_V6
select ARCH_MXC_IOMUX_V3
- select ARCH_MXC_AUDMUX_V2
+ select ARCH_MXC_AUDMUX
select HAVE_EPIT
select MXC_AVIC
select SMP_ON_UP if SMP
@@ -89,7 +89,7 @@ config SOC_IMX5
select CPU_V7
select MXC_TZIC
select ARCH_MXC_IOMUX_V3
- select ARCH_MXC_AUDMUX_V2
+ select ARCH_MXC_AUDMUX
select ARCH_HAS_CPUFREQ
select ARCH_MX5
bool
diff --git a/arch/arm/plat-mxc/Kconfig b/arch/arm/plat-mxc/Kconfig
index dcebb1230f7f..0461d16e5ca6 100644
--- a/arch/arm/plat-mxc/Kconfig
+++ b/arch/arm/plat-mxc/Kconfig
@@ -88,10 +88,7 @@ config IMX_HAVE_IOMUX_V1
config ARCH_MXC_IOMUX_V3
bool
-config ARCH_MXC_AUDMUX_V1
- bool
-
-config ARCH_MXC_AUDMUX_V2
+config ARCH_MXC_AUDMUX
bool
config IRAM_ALLOC
diff --git a/arch/arm/plat-mxc/Makefile b/arch/arm/plat-mxc/Makefile
index 076db84f3e31..530c81dfd9be 100644
--- a/arch/arm/plat-mxc/Makefile
+++ b/arch/arm/plat-mxc/Makefile
@@ -14,8 +14,7 @@ obj-$(CONFIG_IRAM_ALLOC) += iram_alloc.o
obj-$(CONFIG_MXC_PWM) += pwm.o
obj-$(CONFIG_MXC_ULPI) += ulpi.o
obj-$(CONFIG_MXC_USE_EPIT) += epit.o
-obj-$(CONFIG_ARCH_MXC_AUDMUX_V1) += audmux-v1.o
-obj-$(CONFIG_ARCH_MXC_AUDMUX_V2) += audmux-v2.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
diff --git a/arch/arm/plat-mxc/audmux-v1.c b/arch/arm/plat-mxc/audmux-v1.c
deleted file mode 100644
index 1180bef7664b..000000000000
--- a/arch/arm/plat-mxc/audmux-v1.c
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * 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/module.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/clk.h>
-#include <mach/audmux.h>
-#include <mach/hardware.h>
-
-static void __iomem *audmux_base;
-
-static unsigned char port_mapping[] = {
- 0x0, 0x4, 0x8, 0x10, 0x14, 0x1c,
-};
-
-int mxc_audmux_v1_configure_port(unsigned int port, unsigned int pcr)
-{
- if (!audmux_base) {
- printk("%s: not configured\n", __func__);
- 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);
-
-static int mxc_audmux_v1_init(void)
-{
-#ifdef CONFIG_MACH_MX21
- if (cpu_is_mx21())
- audmux_base = MX21_IO_ADDRESS(MX21_AUDMUX_BASE_ADDR);
- else
-#endif
-#ifdef CONFIG_MACH_MX27
- if (cpu_is_mx27())
- audmux_base = MX27_IO_ADDRESS(MX27_AUDMUX_BASE_ADDR);
- else
-#endif
- (void)0;
-
- return 0;
-}
-
-postcore_initcall(mxc_audmux_v1_init);
diff --git a/arch/arm/plat-mxc/audmux-v2.c b/arch/arm/plat-mxc/audmux-v2.c
deleted file mode 100644
index 8cced35009bd..000000000000
--- a/arch/arm/plat-mxc/audmux-v2.c
+++ /dev/null
@@ -1,219 +0,0 @@
-/*
- * 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/module.h>
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/clk.h>
-#include <linux/debugfs.h>
-#include <linux/slab.h>
-#include <mach/audmux.h>
-#include <mach/hardware.h>
-
-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 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);
- }
-}
-#else
-static inline void audmux_debugfs_init(void)
-{
-}
-#endif
-
-int mxc_audmux_v2_configure_port(unsigned int port, unsigned int ptcr,
- unsigned int pdcr)
-{
- 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 mxc_audmux_v2_init(void)
-{
- int ret;
- if (cpu_is_mx51()) {
- audmux_base = MX51_IO_ADDRESS(MX51_AUDMUX_BASE_ADDR);
- } else if (cpu_is_mx31()) {
- audmux_base = MX31_IO_ADDRESS(MX31_AUDMUX_BASE_ADDR);
- } else if (cpu_is_mx35()) {
- audmux_clk = clk_get(NULL, "audmux");
- if (IS_ERR(audmux_clk)) {
- ret = PTR_ERR(audmux_clk);
- printk(KERN_ERR "%s: cannot get clock: %d\n", __func__,
- ret);
- return ret;
- }
- audmux_base = MX35_IO_ADDRESS(MX35_AUDMUX_BASE_ADDR);
- } else if (cpu_is_mx25()) {
- audmux_clk = clk_get(NULL, "audmux");
- if (IS_ERR(audmux_clk)) {
- ret = PTR_ERR(audmux_clk);
- printk(KERN_ERR "%s: cannot get clock: %d\n", __func__,
- ret);
- return ret;
- }
- audmux_base = MX25_IO_ADDRESS(MX25_AUDMUX_BASE_ADDR);
- }
-
- audmux_debugfs_init();
-
- return 0;
-}
-
-postcore_initcall(mxc_audmux_v2_init);
diff --git a/arch/arm/plat-mxc/audmux.c b/arch/arm/plat-mxc/audmux.c
new file mode 100644
index 000000000000..b49a39ff99da
--- /dev/null
+++ b/arch/arm/plat-mxc/audmux.c
@@ -0,0 +1,242 @@
+/*
+ * 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/module.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/clk.h>
+#include <linux/debugfs.h>
+#include <linux/slab.h>
+#include <mach/audmux.h>
+#include <mach/hardware.h>
+
+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 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);
+ }
+}
+#else
+static inline void audmux_debugfs_init(void)
+{
+}
+#endif
+
+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_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_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 mxc_audmux_init(void)
+{
+ int ret;
+ if (cpu_is_mx51()) {
+ audmux_base = MX51_IO_ADDRESS(MX51_AUDMUX_BASE_ADDR);
+ } else if (cpu_is_mx31()) {
+ audmux_base = MX31_IO_ADDRESS(MX31_AUDMUX_BASE_ADDR);
+ } else if (cpu_is_mx35()) {
+ audmux_clk = clk_get(NULL, "audmux");
+ if (IS_ERR(audmux_clk)) {
+ ret = PTR_ERR(audmux_clk);
+ printk(KERN_ERR "%s: cannot get clock: %d\n", __func__,
+ ret);
+ return ret;
+ }
+ audmux_base = MX35_IO_ADDRESS(MX35_AUDMUX_BASE_ADDR);
+ } else if (cpu_is_mx25()) {
+ audmux_clk = clk_get(NULL, "audmux");
+ if (IS_ERR(audmux_clk)) {
+ ret = PTR_ERR(audmux_clk);
+ printk(KERN_ERR "%s: cannot get clock: %d\n", __func__,
+ ret);
+ return ret;
+ }
+ audmux_base = MX25_IO_ADDRESS(MX25_AUDMUX_BASE_ADDR);
+ } else if (cpu_is_mx27()) {
+ audmux_base = MX27_IO_ADDRESS(MX27_AUDMUX_BASE_ADDR);
+ } else if (cpu_is_mx21()) {
+ audmux_base = MX21_IO_ADDRESS(MX21_AUDMUX_BASE_ADDR);
+ }
+
+ if (!cpu_is_mx2())
+ audmux_debugfs_init();
+
+ return 0;
+}
+
+postcore_initcall(mxc_audmux_init);