1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/media/radio/stfm1000/gen-precalc.c b/drivers/media/radio/stfm1000/gen-precalc.c
new file mode 100644
index 000000000000..d3797dbef815
--- /dev/null
+++ b/drivers/media/radio/stfm1000/gen-precalc.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright 2008-2009 Freescale Semiconductor, Inc. All Rights Reserved.
+ */
+
+/*
+ * The code contained herein is licensed under the GNU General Public
+ * License. You may obtain a copy of the GNU General Public License
+ * Version 2 or later at the following locations:
+ *
+ * http://www.opensource.org/licenses/gpl-license.html
+ * http://www.gnu.org/copyleft/gpl.html
+ */
+/* generate precalculated tables */
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "stfm1000-regs.h"
+
+static void generate_tune1(void)
+{
+	int start, end;
+	int ndiv;           // N Divider in PLL
+	int incr;           // Increment in PLL
+	int cicosr;         // CIC oversampling ratio
+	int sdnominal;      // value to serve pilot/interpolator loop in SD
+	int i, temp;        // used in tuning table construction
+
+	start = STFM1000_FREQUENCY_100KHZ_MIN;
+	end = start + STFM1000_FREQUENCY_100KHZ_RANGE;
+
+	printf("const struct stfm1000_tune1\n"
+		"stfm1000_tune1_table[STFM1000_FREQUENCY_100KHZ_RANGE] = {\n");
+
+	for (i = start; i < end; i++) {
+
+		ndiv = (int)((i+14)/15) - 48;
+		incr = i - (int)(i/15)*15;
+		cicosr = (int)(i*2/3.0/16.0 + 0.5);
+		sdnominal = (int)(i*100.0e3/1.5/(double)cicosr/2.0/2.0*2.0*8.0*256.0/228.0e3*65536);
+
+		temp = 0x00000000;                                    // clear
+		temp = temp | ((cicosr<<9) & STFM1000_TUNE1_CICOSR);  // bits[14:9] 0x00007E00
+		temp = temp | ((ndiv<<4)   & STFM1000_TUNE1_PLL_DIV); // bits[8:4]  0x000001F0
+		temp = temp | ((incr)      & STFM1000_TUNE1_PLL_DIV); // bits[3:0]  0x0000000F
+
+		printf("\t[%d - STFM1000_FREQUENCY_100KHZ_MIN] = "
+			"{ .tune1 = 0x%08x, .sdnom = 0x%08x },\n",
+			i, temp, sdnominal);
+	}
+	printf("};\n");
+
+}
+
+int main(int argc, char *argv[])
+{
+	printf("#include \"stfm1000-regs.h\"\n\n");
+
+	generate_tune1();
+
+	return 0;
+}