1 files changed, 97 insertions, 0 deletions

diff --git a/drivers/media/dvb/frontends/z0194a.h b/drivers/media/dvb/frontends/z0194a.h
new file mode 100644
index 000000000000..b5ca9e754218
--- /dev/null
+++ b/drivers/media/dvb/frontends/z0194a.h
@@ -0,0 +1,97 @@
+/* z0194a.h Sharp z0194a tuner support
+*
+* Copyright (C) 2008 Igor M. Liplianin (liplianin@me.by)
+*
+*       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, version 2.
+*
+* see Documentation/dvb/README.dvb-usb for more information
+*/
+
+#ifndef Z0194A
+#define Z0194A
+
+static int sharp_z0194a__set_symbol_rate(struct dvb_frontend *fe,
+                                         u32 srate, u32 ratio)
+{
+        u8 aclk = 0;
+        u8 bclk = 0;
+
+        if (srate < 1500000) {
+                aclk = 0xb7; bclk = 0x47; }
+        else if (srate < 3000000) {
+                aclk = 0xb7; bclk = 0x4b; }
+        else if (srate < 7000000) {
+                aclk = 0xb7; bclk = 0x4f; }
+        else if (srate < 14000000) {
+                aclk = 0xb7; bclk = 0x53; }
+        else if (srate < 30000000) {
+                aclk = 0xb6; bclk = 0x53; }
+        else if (srate < 45000000) {
+                aclk = 0xb4; bclk = 0x51; }
+
+        stv0299_writereg(fe, 0x13, aclk);
+        stv0299_writereg(fe, 0x14, bclk);
+        stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff);
+        stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff);
+        stv0299_writereg(fe, 0x21, (ratio) & 0xf0);
+
+        return 0;
+}
+
+static u8 sharp_z0194a__inittab[] = {
+        0x01, 0x15,
+        0x02, 0x00,
+        0x03, 0x00,
+        0x04, 0x7d,   /* F22FR = 0x7d, F22 = f_VCO / 128 / 0x7d = 22 kHz */
+        0x05, 0x35,   /* I2CT = 0, SCLT = 1, SDAT = 1 */
+        0x06, 0x40,   /* DAC not used, set to high impendance mode */
+        0x07, 0x00,   /* DAC LSB */
+        0x08, 0x40,   /* DiSEqC off, LNB power on OP2/LOCK pin on */
+        0x09, 0x00,   /* FIFO */
+        0x0c, 0x51,   /* OP1 ctl = Normal, OP1 val = 1 (LNB Power ON) */
+        0x0d, 0x82,   /* DC offset compensation = ON, beta_agc1 = 2 */
+        0x0e, 0x23,   /* alpha_tmg = 2, beta_tmg = 3 */
+        0x10, 0x3f,   /* AGC2  0x3d */
+        0x11, 0x84,
+        0x12, 0xb9,
+        0x15, 0xc9,   /* lock detector threshold */
+        0x16, 0x00,
+        0x17, 0x00,
+        0x18, 0x00,
+        0x19, 0x00,
+        0x1a, 0x00,
+        0x1f, 0x50,
+        0x20, 0x00,
+        0x21, 0x00,
+        0x22, 0x00,
+        0x23, 0x00,
+        0x28, 0x00,  /* out imp: normal  out type: parallel FEC mode:0 */
+        0x29, 0x1e,  /* 1/2 threshold */
+        0x2a, 0x14,  /* 2/3 threshold */
+        0x2b, 0x0f,  /* 3/4 threshold */
+        0x2c, 0x09,  /* 5/6 threshold */
+        0x2d, 0x05,  /* 7/8 threshold */
+        0x2e, 0x01,
+        0x31, 0x1f,  /* test all FECs */
+        0x32, 0x19,  /* viterbi and synchro search */
+        0x33, 0xfc,  /* rs control */
+        0x34, 0x93,  /* error control */
+        0x0f, 0x52,
+        0xff, 0xff
+};
+
+static struct stv0299_config sharp_z0194a_config = {
+        .demod_address = 0x68,
+        .inittab = sharp_z0194a__inittab,
+        .mclk = 88000000UL,
+        .invert = 1,
+        .skip_reinit = 0,
+        .lock_output = STV0229_LOCKOUTPUT_1,
+        .volt13_op0_op1 = STV0299_VOLT13_OP1,
+        .min_delay_ms = 100,
+        .set_symbol_rate = sharp_z0194a__set_symbol_rate,
+};
+
+#endif