1 files changed, 97 insertions, 0 deletions
diff --git a/drivers/gpu/pvr/services4/system/omap3630/sgxfreq.h b/drivers/gpu/pvr/services4/system/omap3630/sgxfreq.h
new file mode 100644
index 00000000000..ff6fc88d4a6
--- /dev/null
+++ b/drivers/gpu/pvr/services4/system/omap3630/sgxfreq.h
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2012 Texas Instruments, Inc
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 as published by
+ * the Free Software Foundation.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef SGXFREQ_H
+#define SGXFREQ_H
+
+#include <linux/device.h>
+#include <linux/time.h>
+
+#define SGXFREQ_NAME_LEN 16
+
+//#define SGXFREQ_DEBUG_FTRACE
+#if defined(SGXFREQ_DEBUG_FTRACE)
+#define SGXFREQ_TRACE(...) trace_printk(__VA_ARGS__)
+#else
+#define SGXFREQ_TRACE(...)
+#endif
+
+struct sgxfreq_sgx_data {
+	bool clk_on;
+	bool active;
+};
+
+struct sgxfreq_governor {
+	char name[SGXFREQ_NAME_LEN];
+	int (*gov_start) (struct sgxfreq_sgx_data *data);
+	void (*gov_stop) (void);
+	void (*sgx_clk_on) (void);
+	void (*sgx_clk_off) (void);
+	void (*sgx_active) (void);
+	void (*sgx_idle) (void);
+	void (*sgx_frame_done) (void);
+	struct list_head governor_list;
+};
+
+/* sgxfreq_init must be called before any other api */
+int sgxfreq_init(struct device *dev);
+int sgxfreq_deinit(void);
+
+int sgxfreq_register_governor(struct sgxfreq_governor *governor);
+void sgxfreq_unregister_governor(struct sgxfreq_governor *governor);
+
+int sgxfreq_set_governor(const char *name);
+
+int sgxfreq_get_freq_list(unsigned long **pfreq_list);
+
+unsigned long sgxfreq_get_freq_min(void);
+unsigned long sgxfreq_get_freq_max(void);
+
+unsigned long sgxfreq_get_freq_floor(unsigned long freq);
+unsigned long sgxfreq_get_freq_ceil(unsigned long freq);
+
+unsigned long sgxfreq_get_freq(void);
+unsigned long sgxfreq_get_freq_request(void);
+unsigned long sgxfreq_get_freq_limit(void);
+
+unsigned long sgxfreq_set_freq_request(unsigned long freq_request);
+unsigned long sgxfreq_set_freq_limit(unsigned long freq_limit);
+
+unsigned long sgxfreq_get_total_active_time(void);
+unsigned long sgxfreq_get_total_idle_time(void);
+
+/* Helper functions */
+static inline unsigned long __tv2msec(struct timeval tv)
+{
+	return (tv.tv_sec * 1000) + (tv.tv_usec / 1000);
+}
+
+static inline unsigned long __delta32(unsigned long a, unsigned long b)
+{
+	if (a >= b)
+		return a - b;
+	else
+		return 1 + (0xFFFFFFFF - b) + a;
+}
+
+/* External notifications to sgxfreq */
+void sgxfreq_notif_sgx_clk_on(void);
+void sgxfreq_notif_sgx_clk_off(void);
+void sgxfreq_notif_sgx_active(void);
+void sgxfreq_notif_sgx_idle(void);
+void sgxfreq_notif_sgx_frame_done(void);
+
+#endif