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authorBen Dooks <ben@simtec.co.uk>2009-07-30 23:23:42 +0100
committerBen Dooks <ben-linux@fluff.org>2009-07-30 23:22:56 +0100
commite6d197a6954c8a9ff85727c31ca61fc1da78628a (patch)
tree4f83b37f17499111ae9381746b3427996eb75007 /arch/arm/plat-s3c24xx/include
parentdfff4e95d749c414af3f7350835139103408a50d (diff)
ARM: S3C: CPUFREQ: Add debugfs support for cpufreq
Add debugfs support for the cpufreq driver to allow information about the system state to be exported to the user. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/plat-s3c24xx/include')
-rw-r--r--arch/arm/plat-s3c24xx/include/plat/cpu-freq-core.h24
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/plat-s3c24xx/include/plat/cpu-freq-core.h b/arch/arm/plat-s3c24xx/include/plat/cpu-freq-core.h
index f02b3c06c1e..efeb025affc 100644
--- a/arch/arm/plat-s3c24xx/include/plat/cpu-freq-core.h
+++ b/arch/arm/plat-s3c24xx/include/plat/cpu-freq-core.h
@@ -13,6 +13,8 @@
#include <plat/cpu-freq.h>
+struct seq_file;
+
#define MAX_BANKS (8)
#define S3C2412_MAX_IO (8)
@@ -181,6 +183,10 @@ struct s3c_cpufreq_info {
struct cpufreq_frequency_table *t,
size_t table_size);
+ void (*debug_io_show)(struct seq_file *seq,
+ struct s3c_cpufreq_config *cfg,
+ union s3c_iobank *iob);
+
void (*set_refresh)(struct s3c_cpufreq_config *cfg);
void (*set_fvco)(struct s3c_cpufreq_config *cfg);
void (*set_divs)(struct s3c_cpufreq_config *cfg);
@@ -191,6 +197,24 @@ extern int s3c_cpufreq_register(struct s3c_cpufreq_info *info);
extern int s3c_plltab_register(struct cpufreq_frequency_table *plls, unsigned int plls_no);
+/* exports and utilities for debugfs */
+extern struct s3c_cpufreq_config *s3c_cpufreq_getconfig(void);
+extern struct s3c_iotimings *s3c_cpufreq_getiotimings(void);
+
+extern void s3c2410_iotiming_debugfs(struct seq_file *seq,
+ struct s3c_cpufreq_config *cfg,
+ union s3c_iobank *iob);
+
+extern void s3c2412_iotiming_debugfs(struct seq_file *seq,
+ struct s3c_cpufreq_config *cfg,
+ union s3c_iobank *iob);
+
+#ifdef CONFIG_CPU_FREQ_S3C24XX_DEBUGFS
+#define s3c_cpufreq_debugfs_call(x) x
+#else
+#define s3c_cpufreq_debugfs_call(x) NULL
+#endif
+
/* Useful utility functions. */
extern struct clk *s3c_cpufreq_clk_get(struct device *, const char *);