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authorJochen Friedrich <jochen@scram.de>2011-11-28 01:00:54 +0400
committerSamuel Ortiz <sameo@linux.intel.com>2012-01-09 03:37:33 +0400
commit5dd7bf59e0e8563265b3e5b33276099ef628fcc7 (patch)
tree1372dd626865e4ed21cac103a706f06ef6ff700e /include/linux
parentc9531227b289947950cce29cfe881b768bf9d7d9 (diff)
downloadlinux-5dd7bf59e0e8563265b3e5b33276099ef628fcc7.tar.xz
ARM: sa11x0: Implement autoloading of codec and codec pdata for mcp bus.
Signed-off-by: Jochen Friedrich <jochen@scram.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/mfd/mcp.h7
-rw-r--r--include/linux/mfd/ucb1x00.h5
-rw-r--r--include/linux/mod_devicetable.h11
3 files changed, 20 insertions, 3 deletions
diff --git a/include/linux/mfd/mcp.h b/include/linux/mfd/mcp.h
index ee496708e38b..1515e64e3663 100644
--- a/include/linux/mfd/mcp.h
+++ b/include/linux/mfd/mcp.h
@@ -10,6 +10,7 @@
#ifndef MCP_H
#define MCP_H
+#include <linux/mod_devicetable.h>
#include <mach/dma.h>
struct mcp_ops;
@@ -26,7 +27,7 @@ struct mcp {
dma_device_t dma_telco_rd;
dma_device_t dma_telco_wr;
struct device attached_device;
- int gpio_base;
+ const char *codec;
};
struct mcp_ops {
@@ -44,10 +45,11 @@ void mcp_reg_write(struct mcp *, unsigned int, unsigned int);
unsigned int mcp_reg_read(struct mcp *, unsigned int);
void mcp_enable(struct mcp *);
void mcp_disable(struct mcp *);
+const struct mcp_device_id *mcp_get_device_id(const struct mcp *mcp);
#define mcp_get_sclk_rate(mcp) ((mcp)->sclk_rate)
struct mcp *mcp_host_alloc(struct device *, size_t);
-int mcp_host_register(struct mcp *);
+int mcp_host_register(struct mcp *, void *);
void mcp_host_unregister(struct mcp *);
struct mcp_driver {
@@ -56,6 +58,7 @@ struct mcp_driver {
void (*remove)(struct mcp *);
int (*suspend)(struct mcp *, pm_message_t);
int (*resume)(struct mcp *);
+ const struct mcp_device_id *id_table;
};
int mcp_driver_register(struct mcp_driver *);
diff --git a/include/linux/mfd/ucb1x00.h b/include/linux/mfd/ucb1x00.h
index 4321f044d1e4..bc19e5fb7ea8 100644
--- a/include/linux/mfd/ucb1x00.h
+++ b/include/linux/mfd/ucb1x00.h
@@ -104,6 +104,9 @@
#define UCB_MODE_DYN_VFLAG_ENA (1 << 12)
#define UCB_MODE_AUD_OFF_CAN (1 << 13)
+struct ucb1x00_plat_data {
+ int gpio_base;
+};
struct ucb1x00_irq {
void *devid;
@@ -116,7 +119,7 @@ struct ucb1x00 {
unsigned int irq;
struct semaphore adc_sem;
spinlock_t io_lock;
- u16 id;
+ const struct mcp_device_id *id;
u16 io_dir;
u16 io_out;
u16 adc_cr;
diff --git a/include/linux/mod_devicetable.h b/include/linux/mod_devicetable.h
index 468819cdde87..bc50d9a80d89 100644
--- a/include/linux/mod_devicetable.h
+++ b/include/linux/mod_devicetable.h
@@ -436,6 +436,17 @@ struct spi_device_id {
__attribute__((aligned(sizeof(kernel_ulong_t))));
};
+/* mcp */
+
+#define MCP_NAME_SIZE 20
+#define MCP_MODULE_PREFIX "mcp:"
+
+struct mcp_device_id {
+ char name[MCP_NAME_SIZE];
+ kernel_ulong_t driver_data /* Data private to the driver */
+ __attribute__((aligned(sizeof(kernel_ulong_t))));
+};
+
/* dmi */
enum dmi_field {
DMI_NONE,