Sony CXD2843 DVB-C/C2/T/T2 demodulator driver.
Driver taken from Digital Devices Linux driver package
dddvb-0.9.15a.
Signed-off-by: Antti Palosaari <cr...@iki.fi>
---
drivers/media/dvb-frontends/Kconfig | 8 +
drivers/media/dvb-frontends/Makefile | 1 +
drivers/media/dvb-frontends/cxd2843.c | 2025 +++++++++++++++++++++++++++++++++
drivers/media/dvb-frontends/cxd2843.h | 30 +
4 files changed, 2064 insertions(+)
create mode 100644 drivers/media/dvb-frontends/cxd2843.c
create mode 100644 drivers/media/dvb-frontends/cxd2843.h
diff --git a/drivers/media/dvb-frontends/Kconfig
b/drivers/media/dvb-frontends/Kconfig
index fe0ddcc..5475f59 100644
--- a/drivers/media/dvb-frontends/Kconfig
+++ b/drivers/media/dvb-frontends/Kconfig
@@ -72,6 +72,14 @@ config DVB_SI2165
Say Y when you want to support this frontend.
+config DVB_CXD2843
+ tristate "Sony CXD2843"
+ depends on DVB_CORE && I2C
+ default m if !MEDIA_SUBDRV_AUTOSELECT
+ help
+ Sony CXD2843 DVB-C/C2/T/T2 demodulator driver.
+ Say Y when you want to support this frontend.
+
comment "DVB-S (satellite) frontends"
depends on DVB_CORE
diff --git a/drivers/media/dvb-frontends/Makefile
b/drivers/media/dvb-frontends/Makefile
index edf103d..9a9f131 100644
--- a/drivers/media/dvb-frontends/Makefile
+++ b/drivers/media/dvb-frontends/Makefile
@@ -103,6 +103,7 @@ obj-$(CONFIG_DVB_MB86A20S) += mb86a20s.o
obj-$(CONFIG_DVB_IX2505V) += ix2505v.o
obj-$(CONFIG_DVB_STV0367) += stv0367.o
obj-$(CONFIG_DVB_CXD2820R) += cxd2820r.o
+obj-$(CONFIG_DVB_CXD2843) += cxd2843.o
obj-$(CONFIG_DVB_DRXK) += drxk.o
obj-$(CONFIG_DVB_TDA18271C2DD) += tda18271c2dd.o
obj-$(CONFIG_DVB_SI2165) += si2165.o
diff --git a/drivers/media/dvb-frontends/cxd2843.c
b/drivers/media/dvb-frontends/cxd2843.c
new file mode 100644
index 0000000..10fc240
--- /dev/null
+++ b/drivers/media/dvb-frontends/cxd2843.c
@@ -0,0 +1,2025 @@
+/*
+ * Driver for the Sony CXD2843ER DVB-T/T2/C/C2 demodulator.
+ * Also supports the CXD2837ER DVB-T/T2/C and the
+ * CXD2838ER ISDB-T demodulator.
+ *
+ * Copyright (C) 2013-2014 Digital Devices GmbH
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 only, 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA
+ * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/init.h>
+#include <linux/delay.h>
+#include <linux/firmware.h>
+#include <linux/i2c.h>
+#include <linux/version.h>
+#include <linux/mutex.h>
+#include <asm/div64.h>
+
+#include "dvb_frontend.h"
+#include "cxd2843.h"
+
+#define USE_ALGO 1
+
+enum EDemodType { CXD2843, CXD2837, CXD2838 };
+enum EDemodState { Unknown, Shutdown, Sleep, ActiveT,
+ ActiveT2, ActiveC, ActiveC2, ActiveIT };
+enum ET2Profile { T2P_Base, T2P_Lite };
+enum omode { OM_NONE, OM_DVBT, OM_DVBT2, OM_DVBC,
+ OM_QAM_ITU_C, OM_DVBC2, OM_ISDBT };
+
+struct cxd_state {
+ struct dvb_frontend frontend;
+ struct i2c_adapter *i2c;
+ struct mutex mutex;
+
+ u8 adrt;
+ u8 curbankt;
+
+ u8 adrx;
+ u8 curbankx;
+
+ enum EDemodType type;
+ enum EDemodState state;
+ enum ET2Profile T2Profile;
+ enum omode omode;
+
+ u8 IF_FS;
+ int ContinuousClock;
+ int SerialMode;
+ u8 SerialClockFrequency;
+
+ u32 LockTimeout;
+ u32 TSLockTimeout;
+ u32 L1PostTimeout;
+ u32 DataSliceID;
+ int FirstTimeLock;
+ u32 plp;
+ u32 last_status;
+
+ u32 bandwidth;
+ u32 bw;
+
+ unsigned long tune_time;
+
+ u32 LastBERNominator;
+ u32 LastBERDenominator;
+ u8 BERScaleMax;
+};
+
+static int i2c_write(struct i2c_adapter *adap, u8 adr, u8 *data, int len)
+{
+ struct i2c_msg msg = {
+ .addr = adr, .flags = 0, .buf = data, .len = len};
+
+ if (i2c_transfer(adap, &msg, 1) != 1) {
+ pr_err("cxd2843: i2c_write error\n");
+ return -1;
+ }
+ return 0;
+}
+
+static int writeregs(struct cxd_state *state, u8 adr, u8 reg,
+ u8 *regd, u16 len)
+{
+ u8 data[len + 1];
+
+ data[0] = reg;
+ memcpy(data + 1, regd, len);
+ return i2c_write(state->i2c, adr, data, len + 1);
+}
+
+static int writereg(struct cxd_state *state, u8 adr, u8 reg, u8 dat)
+{
+ u8 mm[2] = {reg, dat};
+
+ return i2c_write(state->i2c, adr, mm, 2);
+}
+
+static int i2c_read(struct i2c_adapter *adap,
+ u8 adr, u8 *msg, int len, u8 *answ, int alen)
+{
+ struct i2c_msg msgs[2] = { { .addr = adr, .flags = 0,
+ .buf = msg, .len = len},
+ { .addr = adr, .flags = I2C_M_RD,
+ .buf = answ, .len = alen } };
+ if (i2c_transfer(adap, msgs, 2) != 2) {
+ pr_err("cxd2843: i2c_read error\n");
+ return -1;
+ }
+ return 0;
+}
+
+static int readregs(struct cxd_state *state, u8 adr, u8 reg,
+ u8 *val, int count)
+{
+ return i2c_read(state->i2c, adr, ®, 1, val, count);
+}
+
+static int readregst_unlocked(struct cxd_state *cxd, u8 bank,
+ u8 Address, u8 *pValue, u16 count)
+{
+ int status = 0;
+
+ if (bank != 0xFF && cxd->curbankt != bank) {
+ status = writereg(cxd, cxd->adrt, 0, bank);
+ if (status < 0) {
+ cxd->curbankt = 0xFF;
+ return status;
+ }
+ cxd->curbankt = bank;
+ }
+ status = readregs(cxd, cxd->adrt, Address, pValue, count);
+ return status;
+}
+
+static int readregst(struct cxd_state *cxd, u8 Bank,
+ u8 Address, u8 *pValue, u16 count)
+{
+ int status;
+
+ mutex_lock(&cxd->mutex);
+ status = readregst_unlocked(cxd, Bank, Address, pValue, count);
+ mutex_unlock(&cxd->mutex);
+ return status;
+}
+
+static int readregsx_unlocked(struct cxd_state *cxd, u8 Bank,
+ u8 Address, u8 *pValue, u16 count)
+{
+ int status = 0;
+
+ if (Bank != 0xFF && cxd->curbankx != Bank) {
+ status = writereg(cxd, cxd->adrx, 0, Bank);
+ if (status < 0) {
+ cxd->curbankx = 0xFF;
+ return status;
+ }
+ cxd->curbankx = Bank;
+ }
+ status = readregs(cxd, cxd->adrx, Address, pValue, count);
+ return status;
+}
+
+static int readregsx(struct cxd_state *cxd, u8 Bank,
+ u8 Address, u8 *pValue, u16 count)
+{
+ int status;
+
+ mutex_lock(&cxd->mutex);
+ status = readregsx_unlocked(cxd, Bank, Address, pValue, count);
+ mutex_unlock(&cxd->mutex);
+ return status;
+}
+
+static int writeregsx_unlocked(struct cxd_state *cxd, u8 Bank,
+ u8 Address, u8 *pValue, u16 count)
+{
+ int status = 0;
+
+ if (Bank != 0xFF && cxd->curbankx != Bank) {
+ status = writereg(cxd, cxd->adrx, 0, Bank);
+ if (status < 0) {
+ cxd->curbankx = 0xFF;
+ return status;
+ }
+ cxd->curbankx = Bank;
+ }
+ status = writeregs(cxd, cxd->adrx, Address, pValue, count);
+ return status;
+}
+
+static int writeregsx(struct cxd_state *cxd, u8 Bank, u8 Address,
+ u8 *pValue, u16 count)
+{
+ int status;
+
+ mutex_lock(&cxd->mutex);
+ status = writeregsx_unlocked(cxd, Bank, Address, pValue, count);
+ mutex_unlock(&cxd->mutex);
+ return status;
+}
+
+static int writeregx(struct cxd_state *cxd, u8 Bank, u8 Address, u8 val)
+{
+ return writeregsx(cxd, Bank, Address, &val, 1);
+}
+
+static int writeregst_unlocked(struct cxd_state *cxd, u8 Bank,
+ u8 Address, u8 *pValue, u16 count)
+{
+ int status = 0;
+
+ if (Bank != 0xFF && cxd->curbankt != Bank) {
+ status = writereg(cxd, cxd->adrt, 0, Bank);
+ if (status < 0) {
+ cxd->curbankt = 0xFF;
+ return status;
+ }
+ cxd->curbankt = Bank;
+ }
+ status = writeregs(cxd, cxd->adrt, Address, pValue, count);
+ return status;
+}
+
+static int writeregst(struct cxd_state *cxd, u8 Bank, u8 Address,
+ u8 *pValue, u16 count)
+{
+ int status;
+
+ mutex_lock(&cxd->mutex);
+ status = writeregst_unlocked(cxd, Bank, Address, pValue, count);
+ mutex_unlock(&cxd->mutex);
+ return status;
+}
+
+static int writeregt(struct cxd_state *cxd, u8 Bank, u8 Address, u8 val)
+{
+ return writeregst(cxd, Bank, Address, &val, 1);
+}
+
+static int writebitsx(struct cxd_state *cxd, u8 Bank, u8 Address,
+ u8 Value, u8 Mask)
+{
+ int status = 0;
+ u8 tmp;
+
+ mutex_lock(&cxd->mutex);
+ status = readregsx_unlocked(cxd, Bank, Address, &tmp, 1);
+ if (status < 0)
+ return status;
+ tmp = (tmp & ~Mask) | Value;
+ status = writeregsx_unlocked(cxd, Bank, Address, &tmp, 1);
+ mutex_unlock(&cxd->mutex);
+ return status;
+}
+
+static int writebitst(struct cxd_state *cxd, u8 Bank, u8 Address,
+ u8 Value, u8 Mask)
+{
+ int status = 0;
+ u8 Tmp = 0x00;
+
+ mutex_lock(&cxd->mutex);
+ status = readregst_unlocked(cxd, Bank, Address, &Tmp, 1);
+ if (status < 0)
+ return status;
+ Tmp = (Tmp & ~Mask) | Value;
+ status = writeregst_unlocked(cxd, Bank, Address, &Tmp, 1);
+ mutex_unlock(&cxd->mutex);
+ return status;
+}
+
+static int freeze_regst(struct cxd_state *cxd)
+{
+ mutex_lock(&cxd->mutex);
+ return writereg(cxd, cxd->adrt, 1, 1);
+}
+
+static int unfreeze_regst(struct cxd_state *cxd)
+{
+ int status = 0;
+
+ status = writereg(cxd, cxd->adrt, 1, 0);
+ mutex_unlock(&cxd->mutex);
+ return status;
+}
+
+static inline u32 MulDiv32(u32 a, u32 b, u32 c)
+{
+ u64 tmp64;
+
+ tmp64 = (u64)a * (u64)b;
+ do_div(tmp64, c);
+
+ return (u32) tmp64;
+}
+
+/* TPSData[0] [7:6] CNST[1:0] */
+/* TPSData[0] [5:3] HIER[2:0] */
+/* TPSData[0] [2:0] HRATE[2:0] */
+/* TPSData[1] [7:5] LRATE[2:0] */
+/* TPSData[1] [4:3] GI[1:0] */
+/* TPSData[1] [2:1] MODE[1:0] */
+/* TPSData[2] [7:6] FNUM[1:0] */
+/* TPSData[2] [5:0] LENGTH_INDICATOR[5:0] */
+/* TPSData[3] [7:0] CELLID[15:8] */
+/* TPSData[4] [7:0] CELLID[7:0] */
+/* TPSData[5] [5:0] RESERVE_EVEN[5:0] */
+/* TPSData[6] [5:0] RESERVE_ODD[5:0] */
+
+static int read_tps(struct cxd_state *state, u8 *tps)
+{
+ if (state->last_status != 0x1f)
+ return 0;
+
+ freeze_regst(state);
+ readregst_unlocked(state, 0x10, 0x2f, tps, 7);
+ unfreeze_regst(state);
+ return 0;
+}
+
+static void Active_to_Sleep(struct cxd_state *state)
+{
+ if (state->state <= Sleep)
+ return;
+
+ writeregt(state, 0x00, 0xC3, 0x01); /* Disable TS */
+ writeregt(state, 0x00, 0x80, 0x3F); /* Enable HighZ 1 */
+ writeregt(state, 0x00, 0x81, 0xFF); /* Enable HighZ 2 */
+ writeregx(state, 0x00, 0x18, 0x01); /* Disable ADC 4 */
+ writeregt(state, 0x00, 0x43, 0x0A); /* Disable ADC 2 */
+ writeregt(state, 0x00, 0x41, 0x0A); /* Disable ADC 1 */
+ writeregt(state, 0x00, 0x30, 0x00); /* Disable ADC Clock */
+ writeregt(state, 0x00, 0x2F, 0x00); /* Disable RF level Monitor */
+ writeregt(state, 0x00, 0x2C, 0x00); /* Disable Demod Clock */
+ state->state = Sleep;
+}
+
+static void ActiveT2_to_Sleep(struct cxd_state *state)
+{
+ if (state->state <= Sleep)
+ return;
+
+ writeregt(state, 0x00, 0xC3, 0x01); /* Disable TS */
+ writeregt(state, 0x00, 0x80, 0x3F); /* Enable HighZ 1 */
+ writeregt(state, 0x00, 0x81, 0xFF); /* Enable HighZ 2 */
+
+ writeregt(state, 0x13, 0x83, 0x40);
+ writeregt(state, 0x13, 0x86, 0x21);
+ writebitst(state, 0x13, 0x9E, 0x09, 0x0F);
+ writeregt(state, 0x13, 0x9F, 0xFB);
+
+ writeregx(state, 0x00, 0x18, 0x01); /* Disable ADC 4 */
+ writeregt(state, 0x00, 0x43, 0x0A); /* Disable ADC 2 */
+ writeregt(state, 0x00, 0x41, 0x0A); /* Disable ADC 1 */
+ writeregt(state, 0x00, 0x30, 0x00); /* Disable ADC Clock */
+ writeregt(state, 0x00, 0x2F, 0x00); /* Disable RF level Monitor */
+ writeregt(state, 0x00, 0x2C, 0x00); /* Disable Demod Clock */
+ state->state = Sleep;
+}
+
+static void ActiveC2_to_Sleep(struct cxd_state *state)
+{
+ if (state->state <= Sleep)
+ return;
+
+ writeregt(state, 0x00, 0xC3, 0x01); /* Disable TS */
+ writeregt(state, 0x00, 0x80, 0x3F); /* Enable HighZ 1 */
+ writeregt(state, 0x00, 0x81, 0xFF); /* Enable HighZ 2 */
+
+ writeregt(state, 0x20, 0xC2, 0x11);
+ writebitst(state, 0x25, 0x6A, 0x02, 0x03);
+ {
+ static u8 data[3] = { 0x07, 0x61, 0x36 };
+ writeregst(state, 0x25, 0x89, data, sizeof(data));
+ }
+ writebitst(state, 0x25, 0xCB, 0x05, 0x07);
+ {
+ static u8 data[4] = { 0x2E, 0xE0, 0x2E, 0xE0 };
+ writeregst(state, 0x25, 0xDC, data, sizeof(data));
+ }
+ writeregt(state, 0x25, 0xE2, 0x2F);
+ writeregt(state, 0x25, 0xE5, 0x2F);
+ writebitst(state, 0x27, 0x20, 0x00, 0x01);
+ writebitst(state, 0x27, 0x35, 0x00, 0x01);
+ writebitst(state, 0x27, 0xD9, 0x19, 0x3F);
+ writebitst(state, 0x2A, 0x78, 0x01, 0x07);
+ writeregt(state, 0x2A, 0x86, 0x08);
+ writeregt(state, 0x2A, 0x88, 0x14);
+ writebitst(state, 0x2B, 0x2B, 0x00, 0x1F);
+ {
+ u8 data[2] = { 0x75, 0x75 };
+ writeregst(state, 0x2D, 0x24, data, sizeof(data));
+ }
+
+ writeregx(state, 0x00, 0x18, 0x01); /* Disable ADC 4 */
+ writeregt(state, 0x00, 0x43, 0x0A); /* Disable ADC 2 */
+ writeregt(state, 0x00, 0x41, 0x0A); /* Disable ADC 1 */
+ writeregt(state, 0x00, 0x30, 0x00); /* Disable ADC Clock */
+ writeregt(state, 0x00, 0x2F, 0x00); /* Disable RF level Monitor */
+ writeregt(state, 0x00, 0x2C, 0x00); /* Disable Demod Clock */
+ state->state = Sleep;
+}
+
+static int ConfigureTS(struct cxd_state *state,
+ enum EDemodState newDemodState)
+{
+ int status = 0;
+ u8 OSERCKMODE = state->SerialMode ? 1 : 0;
+ u8 OSERDUTYMODE = state->SerialMode ? 1 : 0;
+ u8 OTSCKPERIOD = 8;
+ u8 OREG_CKSEL_TSIF = state->SerialMode ?
+ state->SerialClockFrequency : 0;
+
+ if (state->SerialMode && state->SerialClockFrequency >= 3) {
+ OSERCKMODE = 2;
+ OSERDUTYMODE = 2;
+ OTSCKPERIOD = 16;
+ OREG_CKSEL_TSIF = state->SerialClockFrequency - 3;
+ }
+ writebitst(state, 0x00, 0xC4, OSERCKMODE, 0x03); /* OSERCKMODE */
+ writebitst(state, 0x00, 0xD1, OSERDUTYMODE, 0x03); /* OSERDUTYMODE */
+ writeregt(state, 0x00, 0xD9, OTSCKPERIOD); /* OTSCKPERIOD */
+ writebitst(state, 0x00, 0x32, 0x00, 0x01); /* Disable TS IF */
+ /* OREG_CKSEL_TSIF */
+ writebitst(state, 0x00, 0x33, OREG_CKSEL_TSIF, 0x03);
+ writebitst(state, 0x00, 0x32, 0x01, 0x01); /* Enable TS IF */
+
+ if (newDemodState == ActiveT)
+ writebitst(state, 0x10, 0x66, 0x01, 0x01);
+ if (newDemodState == ActiveC)
+ writebitst(state, 0x40, 0x66, 0x01, 0x01);
+
+ return status;
+}
+
+static void BandSettingT(struct cxd_state *state, u32 iffreq)
+{
+ u8 IF_data[3] = { (iffreq >> 16) & 0xff,
+ (iffreq >> 8) & 0xff, iffreq & 0xff};
+
+ switch (state->bw) {
+ default:
+ case 8:
+ {
+ u8 TR_data[] = { 0x11, 0xF0, 0x00, 0x00, 0x00 };
+ u8 CL_data[] = { 0x01, 0xE0 };
+ u8 NF_data[] = { 0x01, 0x02 };
+
+ writeregst(state, 0x10, 0x9F, TR_data, sizeof(TR_data));
+ writeregst(state, 0x10, 0xB6, IF_data, sizeof(IF_data));
+ writebitst(state, 0x10, 0xD7, 0x00, 0x07);
+ writeregst(state, 0x10, 0xD9, CL_data, sizeof(CL_data));
+ writeregst(state, 0x17, 0x38, NF_data, sizeof(NF_data));
+ break;
+ }
+ case 7:
+ {
+ u8 TR_data[] = { 0x14, 0x80, 0x00, 0x00, 0x00 };
+ u8 CL_data[] = { 0x12, 0xF8 };
+ u8 NF_data[] = { 0x00, 0x03 };
+
+ writeregst(state, 0x10, 0x9F, TR_data, sizeof(TR_data));
+ writeregst(state, 0x10, 0xB6, IF_data, sizeof(IF_data));
+ writebitst(state, 0x10, 0xD7, 0x02, 0x07);
+ writeregst(state, 0x10, 0xD9, CL_data, sizeof(CL_data));
+ writeregst(state, 0x17, 0x38, NF_data, sizeof(NF_data));
+ break;
+ }
+ case 6:
+ {
+ u8 TR_data[] = { 0x17, 0xEA, 0xAA, 0xAA, 0xAA };
+ u8 CL_data[] = { 0x1F, 0xDC };
+ u8 NF_data[] = { 0x00, 0x03 };
+
+ writeregst(state, 0x10, 0x9F, TR_data, sizeof(TR_data));
+ writeregst(state, 0x10, 0xB6, IF_data, sizeof(IF_data));
+ writebitst(state, 0x10, 0xD7, 0x04, 0x07);
+ writeregst(state, 0x10, 0xD9, CL_data, sizeof(CL_data));
+ writeregst(state, 0x17, 0x38, NF_data, sizeof(NF_data));
+ break;
+ }
+ case 5:
+ {
+ static u8 TR_data[] = { 0x1C, 0xB3, 0x33, 0x33, 0x33 };
+ static u8 CL_data[] = { 0x26, 0x3C };
+ static u8 NF_data[] = { 0x00, 0x03 };
+
+ writeregst(state, 0x10, 0x9F, TR_data, sizeof(TR_data));
+ writeregst(state, 0x10, 0xB6, IF_data, sizeof(IF_data));
+ writebitst(state, 0x10, 0xD7, 0x06, 0x07);
+ writeregst(state, 0x10, 0xD9, CL_data, sizeof(CL_data));
+ writeregst(state, 0x17, 0x38, NF_data, sizeof(NF_data));
+ break;
+ }
+ }
+}
+
+static void Sleep_to_ActiveT(struct cxd_state *state, u32 iffreq)
+{
+ ConfigureTS(state, ActiveT);
+ writeregx(state, 0x00, 0x17, 0x01); /* Mode */
+ writeregt(state, 0x00, 0x2C, 0x01); /* Demod Clock */
+ writeregt(state, 0x00, 0x2F, 0x00); /* Disable RF Monitor */
+ writeregt(state, 0x00, 0x30, 0x00); /* Enable ADC Clock */
+ writeregt(state, 0x00, 0x41, 0x1A); /* Enable ADC1 */
+ {
+ u8 data[2] = { 0x09, 0x54 }; /* 20.5 MHz */
+ /*u8 data[2] = { 0x0A, 0xD4 }; */ /* 41 MHz */
+ writeregst(state, 0x00, 0x43, data, 2); /* Enable ADC 2+3 */
+ }
+ writeregx(state, 0x00, 0x18, 0x00); /* Enable ADC 4 */
+
+ writebitst(state, 0x10, 0xD2, 0x0C, 0x1F); /* IF AGC Gain */
+ writeregt(state, 0x11, 0x6A, 0x48); /* BB AGC Target Level */
+
+ writebitst(state, 0x10, 0xA5, 0x00, 0x01); /* ASCOT Off */
+
+ writebitst(state, 0x18, 0x36, 0x40, 0x07); /* Pre RS Monitoring */
+ writebitst(state, 0x18, 0x30, 0x01, 0x01); /* FEC Autorecover */
+ writebitst(state, 0x18, 0x31, 0x01, 0x01); /* FEC Autorecover */
+
+ writebitst(state, 0x00, 0xCE, 0x01, 0x01); /* TSIF ONOPARITY */
+ writebitst(state, 0x00, 0xCF, 0x01, 0x01);/*TSIF ONOPARITY_MANUAL_ON*/
+
+ BandSettingT(state, iffreq);
+
+ writebitst(state, 0x10, 0x60, 0x11, 0x1f); /* BER scaling */
+
+ writeregt(state, 0x00, 0x80, 0x28); /* Disable HiZ Setting 1 */
+ writeregt(state, 0x00, 0x81, 0x00); /* Disable HiZ Setting 2 */
+}
+
+static void BandSettingT2(struct cxd_state *state, u32 iffreq)
+{
+ u8 IF_data[3] = {(iffreq >> 16) & 0xff, (iffreq >> 8) & 0xff,
+ iffreq & 0xff};
+
+ switch (state->bw) {
+ default:
+ case 8:
+ {
+ u8 TR_data[] = { 0x11, 0xF0, 0x00, 0x00, 0x00 };
+ /* Timing recovery */
+ writeregst(state, 0x20, 0x9F, TR_data, sizeof(TR_data));
+ /* Add EQ Optimisation for tuner here */
+ writeregst(state, 0x10, 0xB6, IF_data, sizeof(IF_data));
+ /* System Bandwidth */
+ writebitst(state, 0x10, 0xD7, 0x00, 0x07);
+ }
+ break;
+ case 7:
+ {
+ u8 TR_data[] = { 0x14, 0x80, 0x00, 0x00, 0x00 };
+ writeregst(state, 0x20, 0x9F, TR_data, sizeof(TR_data));
+ writeregst(state, 0x10, 0xB6, IF_data, sizeof(IF_data));
+ writebitst(state, 0x10, 0xD7, 0x02, 0x07);
+ }
+ break;
+ case 6:
+ {
+ u8 TR_data[] = { 0x17, 0xEA, 0xAA, 0xAA, 0xAA };
+ writeregst(state, 0x20, 0x9F, TR_data, sizeof(TR_data));
+ writeregst(state, 0x10, 0xB6, IF_data, sizeof(IF_data));
+ writebitst(state, 0x10, 0xD7, 0x04, 0x07);
+ }
+ break;
+ case 5:
+ {
+ u8 TR_data[] = { 0x1C, 0xB3, 0x33, 0x33, 0x33 };
+ writeregst(state, 0x20, 0x9F, TR_data, sizeof(TR_data));
+ writeregst(state, 0x10, 0xB6, IF_data, sizeof(IF_data));
+ writebitst(state, 0x10, 0xD7, 0x06, 0x07);
+ }
+ break;
+ case 2: /* 1.7 MHz */
+ {
+ u8 TR_data[] = { 0x58, 0xE2, 0xAF, 0xE0, 0xBC };
+ writeregst(state, 0x20, 0x9F, TR_data, sizeof(TR_data));
+ writeregst(state, 0x10, 0xB6, IF_data, sizeof(IF_data));
+ writebitst(state, 0x10, 0xD7, 0x03, 0x07);
+ }
+ break;
+ }
+}
+
+
+static void Sleep_to_ActiveT2(struct cxd_state *state, u32 iffreq)
+{
+ ConfigureTS(state, ActiveT2);
+
+ writeregx(state, 0x00, 0x17, 0x02); /* Mode */
+ writeregt(state, 0x00, 0x2C, 0x01); /* Demod Clock */
+ writeregt(state, 0x00, 0x2F, 0x00); /* Disable RF Monitor */
+ writeregt(state, 0x00, 0x30, 0x00); /* Enable ADC Clock */
+ writeregt(state, 0x00, 0x41, 0x1A); /* Enable ADC1 */
+
+ {
+ u8 data[2] = { 0x09, 0x54 }; /* 20.5 MHz */
+ /*u8 data[2] = { 0x0A, 0xD4 }; */ /* 41 MHz */
+ writeregst(state, 0x00, 0x43, data, 2); /* Enable ADC 2+3 */
+ }
+ writeregx(state, 0x00, 0x18, 0x00); /* Enable ADC 4 */
+
+ writebitst(state, 0x10, 0xD2, 0x0C, 0x1F); /* IFAGC coarse gain */
+ writeregt(state, 0x11, 0x6A, 0x50); /* BB AGC Target Level */
+ writebitst(state, 0x10, 0xA5, 0x00, 0x01); /* ASCOT Off */
+
+ writeregt(state, 0x20, 0x8B, 0x3C); /* SNR Good count */
+ writebitst(state, 0x2B, 0x76, 0x20, 0x70); /* Noise Gain ACQ */
+
+ writebitst(state, 0x00, 0xCE, 0x01, 0x01); /* TSIF ONOPARITY */
+ writebitst(state, 0x00, 0xCF, 0x01, 0x01);/*TSIF ONOPARITY_MANUAL_ON*/
+
+ writeregt(state, 0x13, 0x83, 0x10); /* T2 Inital settings */
+ writeregt(state, 0x13, 0x86, 0x34);
+ writebitst(state, 0x13, 0x9E, 0x09, 0x0F);
+ writeregt(state, 0x13, 0x9F, 0xD8);
+
+ BandSettingT2(state, iffreq);
+
+ writebitst(state, 0x20, 0x72, 0x08, 0x0f); /* BER scaling */
+
+ writeregt(state, 0x00, 0x80, 0x28); /* Disable HiZ Setting 1 */
+ writeregt(state, 0x00, 0x81, 0x00); /* Disable HiZ Setting 2 */
+}
+
+
+static void BandSettingC(struct cxd_state *state, u32 iffreq)
+{
+ u8 data[3];
+
+ data[0] = (iffreq >> 16) & 0xFF;
+ data[1] = (iffreq >> 8) & 0xFF;
+ data[2] = (iffreq) & 0xFF;
+ writeregst(state, 0x10, 0xB6, data, 3);
+}
+
+static void Sleep_to_ActiveC(struct cxd_state *state, u32 iffreq)
+{
+ ConfigureTS(state, ActiveC);
+
+ writeregx(state, 0x00, 0x17, 0x04); /* Mode */
+ writeregt(state, 0x00, 0x2C, 0x01); /* Demod Clock */
+ writeregt(state, 0x00, 0x2F, 0x00); /* Disable RF Monitor */
+ writeregt(state, 0x00, 0x30, 0x00); /* Enable ADC Clock */
+ writeregt(state, 0x00, 0x41, 0x1A); /* Enable ADC1 */
+
+ {
+ u8 data[2] = { 0x09, 0x54 }; /* 20.5 MHz */
+ /*u8 data[2] = { 0x0A, 0xD4 }; */ /* 41 MHz */
+ writeregst(state, 0x00, 0x43, data, 2); /* Enable ADC 2+3 */
+ }
+ writeregx(state, 0x00, 0x18, 0x00); /* Enable ADC 4 */
+
+ writebitst(state, 0x10, 0xD2, 0x09, 0x1F); /* IF AGC Gain */
+ writeregt(state, 0x11, 0x6A, 0x48); /* BB AGC Target Level */
+ writebitst(state, 0x10, 0xA5, 0x00, 0x01); /* ASCOT Off */
+
+ writebitst(state, 0x40, 0xC3, 0x00, 0x04); /* OREG_BNDET_EN_64 */
+
+ writebitst(state, 0x00, 0xCE, 0x01, 0x01); /* TSIF ONOPARITY */
+ writebitst(state, 0x00, 0xCF, 0x01, 0x01);/*TSIF ONOPARITY_MANUAL_ON*/
+
+ BandSettingC(state, iffreq);
+
+ writebitst(state, 0x40, 0x60, 0x11, 0x1f); /* BER scaling */
+
+ writeregt(state, 0x00, 0x80, 0x28); /* Disable HiZ Setting 1 */
+ writeregt(state, 0x00, 0x81, 0x00); /* Disable HiZ Setting 2 */
+}
+
+static void BandSettingC2(struct cxd_state *state, u32 iffreq)
+{
+ u8 IF_data[3] = { (iffreq >> 16) & 0xff,
+ (iffreq >> 8) & 0xff, iffreq & 0xff};
+
+ switch (state->bw) {
+ default:
+ case 8:
+ {
+ u8 TR_data[] = { 0x11, 0xF0, 0x00, 0x00, 0x00 };
+ u8 data[2] = { 0x11, 0x9E };
+
+ writeregst(state, 0x20, 0x9F, TR_data, sizeof(TR_data));
+ writeregst(state, 0x10, 0xB6, IF_data, sizeof(IF_data));
+ writebitst(state, 0x10, 0xD7, 0x00, 0x07);
+ writeregst(state, 0x50, 0xEC, data, sizeof(data));
+ writeregt(state, 0x50, 0xEF, 0x11);
+ writeregt(state, 0x50, 0xF1, 0x9E);
+ }
+ break;
+ case 6:
+ {
+ u8 TR_data[] = { 0x17, 0xEA, 0xAA, 0xAA, 0xAA };
+ u8 data[2] = { 0x17, 0x70 };
+
+ writeregst(state, 0x20, 0x9F, TR_data, sizeof(TR_data));
+ writeregst(state, 0x10, 0xB6, IF_data, sizeof(IF_data));
+ writebitst(state, 0x10, 0xD7, 0x04, 0x07);
+ writeregst(state, 0x50, 0xEC, data, sizeof(data));
+ writeregt(state, 0x50, 0xEF, 0x17);
+ writeregt(state, 0x50, 0xF1, 0x70);
+ }
+ break;
+ }
+}
+
+static void Sleep_to_ActiveC2(struct cxd_state *state, u32 iffreq)
+{
+ ConfigureTS(state, ActiveC2);
+
+ writeregx(state, 0x00, 0x17, 0x05); /* Mode */
+ writeregt(state, 0x00, 0x2C, 0x01); /* Demod Clock */
+ writeregt(state, 0x00, 0x2F, 0x00); /* Disable RF Monitor */
+ writeregt(state, 0x00, 0x30, 0x00); /* Enable ADC Clock */
+ writeregt(state, 0x00, 0x41, 0x1A); /* Enable ADC1 */
+
+ {
+ u8 data[2] = { 0x09, 0x54 }; /* 20.5 MHz */
+ /*u8 data[2] = { 0x0A, 0xD4 }; */ /* 41 MHz */
+ writeregst(state, 0x00, 0x43, data, sizeof(data));
+ /* Enable ADC 2+3 */
+ }
+ writeregx(state, 0x00, 0x18, 0x00); /* Enable ADC 4 */
+
+ writebitst(state, 0x10, 0xD2, 0x0C, 0x1F); /* IFAGC coarse gain */
+ writeregt(state, 0x11, 0x6A, 0x50); /* BB AGC Target Level */
+ writebitst(state, 0x10, 0xA5, 0x00, 0x01); /* ASCOT Off */
+
+ writebitst(state, 0x00, 0xCE, 0x01, 0x01); /* TSIF ONOPARITY */
+ writebitst(state, 0x00, 0xCF, 0x01, 0x01);/*TSIF ONOPARITY_MANUAL_ON*/
+
+ writeregt(state, 0x20, 0xC2, 0x00);
+ writebitst(state, 0x25, 0x6A, 0x00, 0x03);
+ {
+ u8 data[3] = { 0x0C, 0xD1, 0x40 };
+ writeregst(state, 0x25, 0x89, data, sizeof(data));
+ }
+ writebitst(state, 0x25, 0xCB, 0x01, 0x07);
+ {
+ u8 data[4] = { 0x7B, 0x00, 0x7B, 0x00 };
+ writeregst(state, 0x25, 0xDC, data, sizeof(data));
+ }
+ writeregt(state, 0x25, 0xE2, 0x30);
+ writeregt(state, 0x25, 0xE5, 0x30);
+ writebitst(state, 0x27, 0x20, 0x01, 0x01);
+ writebitst(state, 0x27, 0x35, 0x01, 0x01);
+ writebitst(state, 0x27, 0xD9, 0x18, 0x3F);
+ writebitst(state, 0x2A, 0x78, 0x00, 0x07);
+ writeregt(state, 0x2A, 0x86, 0x20);
+ writeregt(state, 0x2A, 0x88, 0x32);
+ writebitst(state, 0x2B, 0x2B, 0x10, 0x1F);
+ {
+ u8 data[2] = { 0x01, 0x01 };
+ writeregst(state, 0x2D, 0x24, data, sizeof(data));
+ }
+
+ BandSettingC2(state, iffreq);
+
+ writeregt(state, 0x00, 0x80, 0x28); /* Disable HiZ Setting 1 */
+ writeregt(state, 0x00, 0x81, 0x00); /* Disable HiZ Setting 2 */
+}
+
+
+static void BandSettingIT(struct cxd_state *state, u32 iffreq)
+{
+ u8 IF_data[3] = { (iffreq >> 16) & 0xff,
+ (iffreq >> 8) & 0xff, iffreq & 0xff};
+
+ switch (state->bw) {
+ default:
+ case 8:
+ {
+ u8 TR_data[] = { 0x0F, 0x22, 0x80, 0x00, 0x00 }; /* 20.5/41 */
+ u8 CL_data[] = { 0x15, 0xA8 };
+
+ /*u8 TR_data[] = { 0x11, 0xB8, 0x00, 0x00, 0x00 }; */ /* 24 */
+ writeregst(state, 0x10, 0x9F, TR_data, sizeof(TR_data));
+ /* Add EQ Optimisation for tuner here */
+ writeregst(state, 0x10, 0xB6, IF_data, sizeof(IF_data));
+
+ writeregt(state, 0x10, 0xD7, 0x00); /* System Bandwidth */
+ /*u8 CL_data[] = { 0x13, 0xFC }; */
+ writeregst(state, 0x10, 0xD9, CL_data, sizeof(CL_data));
+ }
+ break;
+ case 7:
+ {
+ u8 TR_data[] = { 0x11, 0x4c, 0x00, 0x00, 0x00 };
+ u8 CL_data[] = { 0x1B, 0x5D };
+
+ /*u8 TR_data[] = { 0x14, 0x40, 0x00, 0x00, 0x00 }; */
+ writeregst(state, 0x10, 0x9F, TR_data, sizeof(TR_data));
+ writeregst(state, 0x10, 0xB6, IF_data, sizeof(IF_data));
+
+ writeregt(state, 0x10, 0xD7, 0x02);
+ /*static u8 CL_data[] = { 0x1A, 0xFA };*/
+ writeregst(state, 0x10, 0xD9, CL_data, sizeof(CL_data));
+ }
+ break;
+ case 6:
+ {
+ u8 TR_data[] = { 0x14, 0x2E, 0x00, 0x00, 0x00 };
+ u8 CL_data[] = { 0x1F, 0xEC };
+ /*u8 TR_data[] = { 0x17, 0xA0, 0x00, 0x00, 0x00 }; */
+ /*u8 CL_data[] = { 0x1F, 0x79 }; */
+
+ writeregst(state, 0x10, 0x9F, TR_data, sizeof(TR_data));
+ writeregst(state, 0x10, 0xB6, IF_data, sizeof(IF_data));
+ writeregt(state, 0x10, 0xD7, 0x04);
+ writeregst(state, 0x10, 0xD9, CL_data, sizeof(CL_data));
+ }
+ break;
+ }
+}
+
+static void Sleep_to_ActiveIT(struct cxd_state *state, u32 iffreq)
+{
+ u8 data2[3] = { 0xB9, 0xBA, 0x63 }; /* 20.5/41 MHz */
+ /*u8 data2[3] = { 0xB7,0x1B,0x00 }; */ /* 24 MHz */
+ u8 TSIF_data[2] = { 0x61, 0x60 } ; /* 20.5/41 MHz */
+ /*u8 TSIF_data[2] = { 0x60,0x00 } ; */ /* 24 MHz */
+
+ pr_info("%s\n", __func__);
+
+ ConfigureTS(state, ActiveIT);
+
+ /* writeregx(state, 0x00,0x17,0x01); */ /* 2838 has only one Mode */
+ writeregt(state, 0x00, 0x2C, 0x01); /* Demod Clock */
+ writeregt(state, 0x00, 0x2F, 0x00); /* Disable RF Monitor */
+ writeregt(state, 0x00, 0x30, 0x00); /* Enable ADC Clock */
+ writeregt(state, 0x00, 0x41, 0x1A); /* Enable ADC1 */
+
+ {
+ u8 data[2] = { 0x09, 0x54 }; /* 20.5 MHz, 24 MHz */
+ /*u8 data[2] = { 0x0A, 0xD4 }; */ /* 41 MHz */
+ writeregst(state, 0x00, 0x43, data, 2); /* Enable ADC 2+3 */
+ }
+ writeregx(state, 0x00, 0x18, 0x00); /* Enable ADC 4 */
+
+ writeregst(state, 0x60, 0xA8, data2, sizeof(data2));
+
+ writeregst(state, 0x10, 0xBF, TSIF_data, sizeof(TSIF_data));
+
+ writeregt(state, 0x10, 0xE2, 0xCE); /* OREG_PNC_DISABLE */
+ writebitst(state, 0x10, 0xA5, 0x00, 0x01); /* ASCOT Off */
+
+ BandSettingIT(state, iffreq);
+
+ writeregt(state, 0x00, 0x80, 0x28); /* Disable HiZ Setting 1 */
+ writeregt(state, 0x00, 0x81, 0x00); /* Disable HiZ Setting 2 */
+}
+
+static void T2_SetParameters(struct cxd_state *state)
+{
+ u8 Profile = 0x01; /* Profile Base */
+ u8 notT2time = 12; /* early unlock detection time */
+
+ if (state->T2Profile == T2P_Lite) {
+ Profile = 0x05;
+ notT2time = 40;
+ }
+
+ if (state->plp != 0xffffffff) {
+ state->T2Profile = ((state->plp & 0x100) != 0) ?
+ T2P_Lite : T2P_Base;
+ writeregt(state, 0x23, 0xAF, state->plp);
+ writeregt(state, 0x23, 0xAD, 0x01);
+ } else {
+ state->T2Profile = T2P_Base;
+ writeregt(state, 0x23, 0xAD, 0x00);
+ }
+
+ writebitst(state, 0x2E, 0x10, Profile, 0x07);
+ writeregt(state, 0x2B, 0x19, notT2time);
+}
+
+static void C2_ReleasePreset(struct cxd_state *state)
+{
+ {
+ static u8 data[2] = { 0x02, 0x80};
+ writeregst(state, 0x27, 0xF4, data, sizeof(data));
+ }
+ writebitst(state, 0x27, 0x51, 0x40, 0xF0);
+ writebitst(state, 0x27, 0x73, 0x07, 0x0F);
+ writebitst(state, 0x27, 0x74, 0x19, 0x3F);
+ writebitst(state, 0x27, 0x75, 0x19, 0x3F);
+ writebitst(state, 0x27, 0x76, 0x19, 0x3F);
+ if (state->bw == 6) {
+ static u8 data[5] = { 0x17, 0xEA, 0xAA, 0xAA, 0xAA};
+ writeregst(state, 0x20, 0x9F, data, sizeof(data));
+ } else {
+ static u8 data[5] = { 0x11, 0xF0, 0x00, 0x00, 0x00};
+ writeregst(state, 0x20, 0x9F, data, sizeof(data));
+ }
+ writebitst(state, 0x27, 0xC9, 0x07, 0x07);
+ writebitst(state, 0x20, 0xC2, 0x11, 0x33);
+ {
+ static u8 data[10] = { 0x16, 0xF0, 0x2B, 0xD8,
+ 0x16, 0x16, 0xF0, 0x2C, 0xD8, 0x16 };
+ writeregst(state, 0x2A, 0x20, data, sizeof(data));
+ }
+ {
+ static u8 data[4] = { 0x00, 0x00, 0x00, 0x00 };
+ writeregst(state, 0x50, 0x6B, data, sizeof(data));
+ }
+ writebitst(state, 0x50, 0x6F, 0x00, 0x40); /* Disable Preset */
+}
+
+static void C2_DemodSetting2(struct cxd_state *state)
+{
+ u8 data[6];
+ u32 TunePosition =
+ state->frontend.dtv_property_cache.frequency / 1000;
+
+ if (state->bw == 6)
+ TunePosition = ((TunePosition * 1792) / 3) / 1000;
+ else
+ TunePosition = (TunePosition * 448) / 1000;
+
+ TunePosition = ((TunePosition + 6) / 12) * 12;
+
+ pr_info("TunePosition = %u\n", TunePosition);
+
+ data[0] = ((TunePosition >> 16) & 0xFF);
+ data[1] = ((TunePosition >> 8) & 0xFF);
+ data[2] = (TunePosition & 0xFF);
+ data[3] = 0x02;
+ data[4] = (state->DataSliceID & 0xFF);
+ data[5] = (state->plp & 0xFF);
+ writeregst(state, 0x50, 0x7A, data, sizeof(data));
+ writebitst(state, 0x50, 0x87, 0x01, 0x01); /* Preset Clear */
+}
+
+static void Stop(struct cxd_state *state)
+{
+
+ writeregt(state, 0x00, 0xC3, 0x01); /* Disable TS */
+}
+
+static void ShutDown(struct cxd_state *state)
+{
+ switch (state->state) {
+ case ActiveT2:
+ ActiveT2_to_Sleep(state);
+ break;
+ case ActiveC2:
+ ActiveC2_to_Sleep(state);
+ break;
+ default:
+ Active_to_Sleep(state);
+ break;
+ }
+}
+
+static int gate_ctrl(struct dvb_frontend *fe, int enable)
+{
+ struct cxd_state *state = fe->demodulator_priv;
+
+ return writebitsx(state, 0xFF, 0x08, enable ? 0x01 : 0x00, 0x01);
+}
+
+static void release(struct dvb_frontend *fe)
+{
+ struct cxd_state *state = fe->demodulator_priv;
+
+ Stop(state);
+ ShutDown(state);
+ kfree(state);
+}
+
+static int Start(struct cxd_state *state, u32 IntermediateFrequency)
+{
+ enum EDemodState newDemodState = Unknown;
+ u32 iffreq;
+
+ if (state->state < Sleep)
+ return -EINVAL;
+
+ iffreq = MulDiv32(IntermediateFrequency, 16777216, 41000000);
+
+ switch (state->omode) {
+ case OM_DVBT:
+ if (state->type == CXD2838)
+ return -EINVAL;
+ newDemodState = ActiveT;
+ break;
+ case OM_DVBT2:
+ if (state->type == CXD2838)
+ return -EINVAL;
+ newDemodState = ActiveT2;
+ break;
+ case OM_DVBC:
+ case OM_QAM_ITU_C:
+ if (state->type == CXD2838)
+ return -EINVAL;
+ newDemodState = ActiveC;
+ break;
+ case OM_DVBC2:
+ if (state->type != CXD2843)
+ return -EINVAL;
+ newDemodState = ActiveC2;
+ break;
+ case OM_ISDBT:
+ if (state->type != CXD2838)
+ return -EINVAL;
+ newDemodState = ActiveIT;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ state->LockTimeout = 0;
+ state->TSLockTimeout = 0;
+ state->L1PostTimeout = 0;
+ state->last_status = 0;
+ state->FirstTimeLock = 1;
+ state->LastBERNominator = 0;
+ state->LastBERDenominator = 1;
+ state->BERScaleMax = 19;
+
+ if (state->state == newDemodState) {
+ writeregt(state, 0x00, 0xC3, 0x01); /* Disable TS Output */
+ switch (newDemodState) {
+ case ActiveT:
+ /* Stick with HP ( 0x01 = LP ) */
+ writeregt(state, 0x10, 0x67, 0x00);
+ BandSettingT(state, iffreq);
+ state->BERScaleMax = 18;
+ break;
+ case ActiveT2:
+ T2_SetParameters(state);
+ BandSettingT2(state, iffreq);
+ state->BERScaleMax = 12;
+ break;
+ case ActiveC:
+ BandSettingC(state, iffreq);
+ state->BERScaleMax = 19;
+ break;
+ case ActiveC2:
+ BandSettingC2(state, iffreq);
+ C2_ReleasePreset(state);
+ C2_DemodSetting2(state);
+ break;
+ case ActiveIT:
+ BandSettingIT(state, iffreq);
+ break;
+ default:
+ break;
+ }
+ } else {
+ if (state->state > Sleep) {
+ switch (state->state) {
+ case ActiveT2:
+ ActiveT2_to_Sleep(state);
+ break;
+ case ActiveC2:
+ ActiveC2_to_Sleep(state);
+ break;
+ default:
+ Active_to_Sleep(state);
+ break;
+ }
+ }
+ switch (newDemodState) {
+ case ActiveT:
+ /* Stick with HP ( 0x01 = LP ) */
+ writeregt(state, 0x10, 0x67, 0x00);
+ Sleep_to_ActiveT(state, iffreq);
+ state->BERScaleMax = 18;
+ break;
+ case ActiveT2:
+ T2_SetParameters(state);
+ Sleep_to_ActiveT2(state, iffreq);
+ state->BERScaleMax = 12;
+ break;
+ case ActiveC:
+ Sleep_to_ActiveC(state, iffreq);
+ state->BERScaleMax = 19;
+ break;
+ case ActiveC2:
+ Sleep_to_ActiveC2(state, iffreq);
+ C2_ReleasePreset(state);
+ C2_DemodSetting2(state);
+ break;
+ case ActiveIT:
+ Sleep_to_ActiveIT(state, iffreq);
+ break;
+ default:
+ break;
+ }
+ }
+ state->state = newDemodState;
+ writeregt(state, 0x00, 0xFE, 0x01); /* SW Reset */
+ writeregt(state, 0x00, 0xC3, 0x00); /* Enable TS Output */
+
+ return 0;
+}
+
+static int set_parameters(struct dvb_frontend *fe)
+{
+ int stat;
+ struct cxd_state *state = fe->demodulator_priv;
+ u32 IF;
+
+ switch (fe->dtv_property_cache.delivery_system) {
+ case SYS_DVBC_ANNEX_A:
+ state->omode = OM_DVBC;
+ break;
+ case SYS_DVBC2:
+ state->omode = OM_DVBC2;
+ break;
+ case SYS_DVBT:
+ state->omode = OM_DVBT;
+ break;
+ case SYS_DVBT2:
+ state->omode = OM_DVBT2;
+ break;
+ case SYS_ISDBT:
+ state->omode = OM_ISDBT;
+ break;
+ default:
+ return -EINVAL;
+ }
+ if (fe->ops.tuner_ops.set_params)
+ fe->ops.tuner_ops.set_params(fe);
+ state->bandwidth = fe->dtv_property_cache.bandwidth_hz;
+ state->bw = (fe->dtv_property_cache.bandwidth_hz + 999999) / 1000000;
+ if (fe->dtv_property_cache.stream_id == 0xffffffff) {
+ state->DataSliceID = 0xffffffff;
+ state->plp = 0xffffffff;
+ } else {
+ state->DataSliceID = (fe->dtv_property_cache.stream_id >> 8)
+ & 0xff;
+ state->plp = fe->dtv_property_cache.stream_id & 0xff;
+ }
+ /* printk("PLP = %08x, bw = %u\n", state->plp, state->bw); */
+ fe->ops.tuner_ops.get_if_frequency(fe, &IF);
+ stat = Start(state, IF);
+ return stat;
+}
+
+
+static void init(struct cxd_state *state)
+{
+ u8 data[2] = {0x00, 0x00}; /* 20.5 MHz */
+
+ state->omode = OM_NONE;
+ state->state = Unknown;
+
+ writeregx(state, 0xFF, 0x02, 0x00);
+ usleep_range(4000, 5000);
+ writeregx(state, 0x00, 0x15, 0x01);
+ if (state->type != CXD2838)
+ writeregx(state, 0x00, 0x17, 0x01);
+ usleep_range(4000, 5000);
+
+ writeregx(state, 0x00, 0x10, 0x01);
+
+ writeregsx(state, 0x00, 0x13, data, 2);
+ writeregx(state, 0x00, 0x15, 0x00);
+ usleep_range(3000, 4000);
+ writeregx(state, 0x00, 0x10, 0x00);
+ usleep_range(2000, 3000);
+
+ state->curbankx = 0xFF;
+ state->curbankt = 0xFF;
+
+ writeregt(state, 0x00, 0x43, 0x0A);
+ writeregt(state, 0x00, 0x41, 0x0A);
+ if (state->type == CXD2838)
+ writeregt(state, 0x60, 0x5A, 0x00);
+
+ writebitst(state, 0x10, 0xCB, 0x00, 0x40);
+ writeregt(state, 0x10, 0xCD, state->IF_FS);
+
+ writebitst(state, 0x00, 0xC4, state->SerialMode ? 0x80 : 0x00, 0x98);
+ writebitst(state, 0x00, 0xC5, 0x01, 0x07);
+ writebitst(state, 0x00, 0xCB, 0x00, 0x01);
+ writebitst(state, 0x00, 0xC6, 0x00, 0x1D);
+ writebitst(state, 0x00, 0xC8, 0x01, 0x1D);
+ writebitst(state, 0x00, 0xC9, 0x00, 0x1D);
+ writebitst(state, 0x00, 0x83, 0x00, 0x07);
+ writeregt(state, 0x00, 0x84, 0x00);
+ writebitst(state, 0x00, 0xD3,
+ (state->type == CXD2838) ? 0x01 : 0x00, 0x01);
+ writebitst(state, 0x00, 0xDE, 0x00, 0x01);
+
+ state->state = Sleep;
+}
+
+
+static void init_state(struct cxd_state *state, struct cxd2843_cfg *cfg)
+{
+ state->adrt = cfg->adr;
+ state->adrx = cfg->adr + 0x02;
+ state->curbankt = 0xff;
+ state->curbankx = 0xff;
+ mutex_init(&state->mutex);
+
+ state->SerialMode = cfg->parallel ? 0 : 1;
+ state->ContinuousClock = 1;
+ state->SerialClockFrequency =
+ (cfg->ts_clock >= 1 && cfg->ts_clock <= 5) ?
+ cfg->ts_clock : 1; /* 1 = fastest (82 MBit/s), 5 = slowest */
+ state->SerialClockFrequency = 1;
+ /* IF Fullscale 0x50 = 1.4V, 0x39 = 1V, 0x28 = 0.7V */
+ state->IF_FS = 0x50;
+}
+
+static int get_tune_settings(struct dvb_frontend *fe,
+ struct dvb_frontend_tune_settings *sets)
+{
+ switch (fe->dtv_property_cache.delivery_system) {
+ case SYS_DVBC_ANNEX_A:
+ case SYS_DVBC_ANNEX_C:
+ /*return c_get_tune_settings(fe, sets);*/
+ default:
+ /* DVB-T: Use info.frequency_stepsize. */
+ return -EINVAL;
+ }
+}
+
+static int read_status(struct dvb_frontend *fe, fe_status_t *status)
+{
+ struct cxd_state *state = fe->demodulator_priv;
+ u8 rdata;
+
+ *status = 0;
+ switch (state->state) {
+ case ActiveC:
+ readregst(state, 0x40, 0x88, &rdata, 1);
+ if (rdata & 0x02)
+ break;
+ if (rdata & 0x01) {
+ *status |= 0x07;
+ readregst(state, 0x40, 0x10, &rdata, 1);
+ if (rdata & 0x20)
+ *status |= 0x1f;
+ }
+ break;
+ case ActiveT:
+ readregst(state, 0x10, 0x10, &rdata, 1);
+ if (rdata & 0x10)
+ break;
+ if ((rdata & 0x07) == 0x06) {
+ *status |= 0x07;
+ if (rdata & 0x20)
+ *status |= 0x1f;
+ }
+ break;
+ case ActiveT2:
+ readregst(state, 0x20, 0x10, &rdata, 1);
+ if (rdata & 0x10)
+ break;
+ if ((rdata & 0x07) == 0x06) {
+ *status |= 0x07;
+ if (rdata & 0x20)
+ *status |= 0x08;
+ }
+ if (*status & 0x08) {
+ readregst(state, 0x22, 0x12, &rdata, 1);
+ if (rdata & 0x01)
+ *status |= 0x10;
+ }
+ break;
+ case ActiveC2:
+ readregst(state, 0x20, 0x10, &rdata, 1);
+ if (rdata & 0x10)
+ break;
+ if ((rdata & 0x07) == 0x06) {
+ *status |= 0x07;
+ if (rdata & 0x20)
+ *status |= 0x18;
+ }
+ if ((*status & 0x10) && state->FirstTimeLock) {
+ u8 data;
+
+ /* Change1stTrial */
+ readregst(state, 0x28, 0xE6, &rdata, 1);
+ data = rdata & 1;
+ readregst(state, 0x50, 0x15, &rdata, 1);
+ data |= ((rdata & 0x18) >> 2);
+ /*writebitst(state, 0x50,0x6F,rdata,0x07);*/
+ state->FirstTimeLock = 0;
+ }
+ break;
+ case ActiveIT:
+ readregst(state, 0x60, 0x10, &rdata, 1);
+ if (rdata & 0x10)
+ break;
+ if (rdata & 0x02) {
+ *status |= 0x07;
+ if (rdata & 0x01)
+ *status |= 0x18;
+ }
+ break;
+ default:
+ break;
+ }
+ state->last_status = *status;
+ return 0;
+}
+
+static int get_ber_t(struct cxd_state *state, u32 *n, u32 *d)
+{
+ u8 BERRegs[3];
+ u8 Scale;
+
+ *n = 0;
+ *d = 1;
+
+ readregst(state, 0x10, 0x62, BERRegs, 3);
+ readregst(state, 0x10, 0x60, &Scale, 1);
+ Scale &= 0x1F;
+
+ if (BERRegs[0] & 0x80) {
+ state->LastBERNominator = (((u32) BERRegs[0] & 0x3F) << 16) |
+ (((u32) BERRegs[1]) << 8) | BERRegs[2];
+ state->LastBERDenominator = 1632 << Scale;
+ if (state->LastBERNominator < 256 &&
+ Scale < state->BERScaleMax) {
+ writebitst(state, 0x10, 0x60, Scale + 1, 0x1F);
+ } else if (state->LastBERNominator > 512 && Scale > 11)
+ writebitst(state, 0x10, 0x60, Scale - 1, 0x1F);
+ }
+ *n = state->LastBERNominator;
+ *d = state->LastBERDenominator;
+
+ return 0;
+}
+
+static int get_ber_t2(struct cxd_state *state, u32 *n, u32 *d)
+{
+ *n = 0;
+ *d = 1;
+ return 0;
+}
+
+static int get_ber_c(struct cxd_state *state, u32 *n, u32 *d)
+{
+ u8 BERRegs[3];
+ u8 Scale;
+
+ *n = 0;
+ *d = 1;
+
+ readregst(state, 0x40, 0x62, BERRegs, 3);
+ readregst(state, 0x40, 0x60, &Scale, 1);
+ Scale &= 0x1F;
+
+ if (BERRegs[0] & 0x80) {
+ state->LastBERNominator = (((u32) BERRegs[0] & 0x3F) << 16) |
+ (((u32) BERRegs[1]) << 8) | BERRegs[2];
+ state->LastBERDenominator = 1632 << Scale;
+ if (state->LastBERNominator < 256 &&
+ Scale < state->BERScaleMax) {
+ writebitst(state, 0x40, 0x60, Scale + 1, 0x1F);
+ } else if (state->LastBERNominator > 512 && Scale > 11)
+ writebitst(state, 0x40, 0x60, Scale - 1, 0x1F);
+ }
+ *n = state->LastBERNominator;
+ *d = state->LastBERDenominator;
+
+ return 0;
+}
+
+static int get_ber_c2(struct cxd_state *state, u32 *n, u32 *d)
+{
+ *n = 0;
+ *d = 1;
+ return 0;
+}
+
+static int get_ber_it(struct cxd_state *state, u32 *n, u32 *d)
+{
+ *n = 0;
+ *d = 1;
+ return 0;
+}
+
+static int read_ber(struct dvb_frontend *fe, u32 *ber)
+{
+ struct cxd_state *state = fe->demodulator_priv;
+ u32 n, d;
+ int s = 0;
+
+ *ber = 0;
+ switch (state->state) {
+ case ActiveT:
+ s = get_ber_t(state, &n, &d);
+ break;
+ case ActiveT2:
+ s = get_ber_t2(state, &n, &d);
+ break;
+ case ActiveC:
+ s = get_ber_c(state, &n, &d);
+ break;
+ case ActiveC2:
+ s = get_ber_c2(state, &n, &d);
+ break;
+ case ActiveIT:
+ s = get_ber_it(state, &n, &d);
+ break;
+ default:
+ break;
+ }
+ if (s)
+ return s;
+
+ return 0;
+}
+
+static int read_signal_strength(struct dvb_frontend *fe, u16 *strength)
+{
+ if (fe->ops.tuner_ops.get_rf_strength)
+ fe->ops.tuner_ops.get_rf_strength(fe, strength);
+ else
+ *strength = 0;
+ return 0;
+}
+
+static s32 Log10x100(u32 x)
+{
+ static u32 LookupTable[100] = {
+ 101157945, 103514217, 105925373, 108392691, 110917482,
+ 113501082, 116144861, 118850223, 121618600, 124451461,
+ 127350308, 130316678, 133352143, 136458314, 139636836,
+ 142889396, 146217717, 149623566, 153108746, 156675107,
+ 160324539, 164058977, 167880402, 171790839, 175792361,
+ 179887092, 184077200, 188364909, 192752491, 197242274,
+ 201836636, 206538016, 211348904, 216271852, 221309471,
+ 226464431, 231739465, 237137371, 242661010, 248313311,
+ 254097271, 260015956, 266072506, 272270131, 278612117,
+ 285101827, 291742701, 298538262, 305492111, 312607937,
+ 319889511, 327340695, 334965439, 342767787, 350751874,
+ 358921935, 367282300, 375837404, 384591782, 393550075,
+ 402717034, 412097519, 421696503, 431519077, 441570447,
+ 451855944, 462381021, 473151259, 484172368, 495450191,
+ 506990708, 518800039, 530884444, 543250331, 555904257,
+ 568852931, 582103218, 595662144, 609536897, 623734835,
+ 638263486, 653130553, 668343918, 683911647, 699841996,
+ 716143410, 732824533, 749894209, 767361489, 785235635,
+ 803526122, 822242650, 841395142, 860993752, 881048873,
+ 901571138, 922571427, 944060876, 966050879, 988553095,
+ };
+ s32 y;
+ int i;
+
+ if (x == 0)
+ return 0;
+ y = 800;
+ if (x >= 1000000000) {
+ x /= 10;
+ y += 100;
+ }
+
+ while (x < 100000000) {
+ x *= 10;
+ y -= 100;
+ }
+ i = 0;
+ while (i < 100 && x > LookupTable[i])
+ i += 1;
+ y += i;
+ return y;
+}
+
+#if 0
+static void GetPLPIds(struct cxd_state *state, u32 nValues,
+ u8 *Values, u32 *Returned)
+{
+ u8 nPids = 0;
+
+ *Returned = 0;
+ if (state->state != ActiveT2)
+ return;
+ if (state->last_status != 0x1f)
+ return;
+
+ freeze_regst(state);
+ readregst_unlocked(state, 0x22, 0x7F, &nPids, 1);
+
+ Values[0] = nPids;
+ if (nPids >= nValues)
+ nPids = nValues - 1;
+
+ readregst_unlocked(state, 0x22, 0x80, &Values[1],
+ nPids > 128 ? 128 : nPids);
+
+ if (nPids > 128)
+ readregst_unlocked(state, 0x23, 0x10, &Values[129],
+ nPids - 128);
+
+ *Returned = nPids + 1;
+
+ unfreeze_regst(state);
+}
+#endif
+
+static void GetSignalToNoiseIT(struct cxd_state *state, u32 *SignalToNoise)
+{
+ u8 Data[2];
+ u32 reg;
+
+ freeze_regst(state);
+ readregst_unlocked(state, 0x60, 0x28, Data, sizeof(Data));
+ unfreeze_regst(state);
+
+ reg = (Data[0] << 8) | Data[1];
+ if (reg > 51441)
+ reg = 51441;
+
+ if (state->bw == 8) {
+ if (reg > 1143)
+ reg = 1143;
+ *SignalToNoise = (Log10x100(reg) -
+ Log10x100(1200 - reg)) + 220;
+ } else
+ *SignalToNoise = Log10x100(reg) - 90;
+}
+
+static void GetSignalToNoiseC2(struct cxd_state *state, u32 *SignalToNoise)
+{
+ u8 Data[2];
+ u32 reg;
+
+ freeze_regst(state);
+ readregst_unlocked(state, 0x20, 0x28, Data, sizeof(Data));
+ unfreeze_regst(state);
+
+ reg = (Data[0] << 8) | Data[1];
+ if (reg > 51441)
+ reg = 51441;
+
+ *SignalToNoise = (Log10x100(reg) - Log10x100(55000 - reg)) + 384;
+}
+
+
+static void GetSignalToNoiseT2(struct cxd_state *state, u32 *SignalToNoise)
+{
+ u8 Data[2];
+ u32 reg;
+
+ freeze_regst(state);
+ readregst_unlocked(state, 0x20, 0x28, Data, sizeof(Data));
+ unfreeze_regst(state);
+
+ reg = (Data[0] << 8) | Data[1];
+ if (reg > 10876)
+ reg = 10876;
+
+ *SignalToNoise = (Log10x100(reg) - Log10x100(12600 - reg)) + 320;
+}
+
+static void GetSignalToNoiseT(struct cxd_state *state, u32 *SignalToNoise)
+{
+ u8 Data[2];
+ u32 reg;
+
+ freeze_regst(state);
+ readregst_unlocked(state, 0x10, 0x28, Data, sizeof(Data));
+ unfreeze_regst(state);
+
+ reg = (Data[0] << 8) | Data[1];
+ if (reg > 4996)
+ reg = 4996;
+
+ *SignalToNoise = (Log10x100(reg) - Log10x100(5350 - reg)) + 285;
+}
+
+static void GetSignalToNoiseC(struct cxd_state *state, u32 *SignalToNoise)
+{
+ u8 Data[2];
+ u8 Constellation = 0;
+ u32 reg;
+
+ *SignalToNoise = 0;
+
+ freeze_regst(state);
+ readregst_unlocked(state, 0x40, 0x19, &Constellation, 1);
+ readregst_unlocked(state, 0x40, 0x4C, Data, sizeof(Data));
+ unfreeze_regst(state);
+
+ reg = ((u32)(Data[0] & 0x1F) << 8) | (Data[1]);
+ if (reg == 0)
+ return;
+
+ switch (Constellation & 0x07) {
+ case 0: /* QAM 16 */
+ case 2: /* QAM 64 */
+ case 4: /* QAM 256 */
+ if (reg < 126)
+ reg = 126;
+ *SignalToNoise = ((439 - Log10x100(reg)) * 2134 + 500) / 1000;
+ break;
+ case 1: /* QAM 32 */
+ case 3: /* QAM 128 */
+ if (reg < 69)
+ reg = 69;
+ *SignalToNoise = ((432 - Log10x100(reg)) * 2015 + 500) / 1000;
+ break;
+ }
+}
+
+static int read_snr(struct dvb_frontend *fe, u16 *snr)
+{
+ struct cxd_state *state = fe->demodulator_priv;
+ u32 SNR = 0;
+
+ *snr = 0;
+ if (state->last_status != 0x1f)
+ return 0;
+
+ switch (state->state) {
+ case ActiveC:
+ GetSignalToNoiseC(state, &SNR);
+ break;
+ case ActiveC2:
+ GetSignalToNoiseC2(state, &SNR);
+ break;
+ case ActiveT:
+ GetSignalToNoiseT(state, &SNR);
+ break;
+ case ActiveT2:
+ GetSignalToNoiseT2(state, &SNR);
+ break;
+ case ActiveIT:
+ GetSignalToNoiseIT(state, &SNR);
+ break;
+ default:
+ break;
+ }
+ *snr = SNR;
+ return 0;
+}
+
+static int read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
+{
+ *ucblocks = 0;
+ return 0;
+}
+
+static int tune(struct dvb_frontend *fe, bool re_tune,
+ unsigned int mode_flags,
+ unsigned int *delay, fe_status_t *status)
+{
+ struct cxd_state *state = fe->demodulator_priv;
+ int r;
+
+ if (re_tune) {
+ r = set_parameters(fe);
+ if (r)
+ return r;
+ state->tune_time = jiffies;
+
+ }
+ if (*status & FE_HAS_LOCK)
+ return 0;
+ /* *delay = 50; */
+ r = read_status(fe, status);
+ if (r)
+ return r;
+ return 0;
+}
+
+static enum dvbfe_search search(struct dvb_frontend *fe)
+{
+ int r;
+ u32 loops = 20, i;
+ fe_status_t status;
+
+ r = set_parameters(fe);
+
+ for (i = 0; i < loops; i++) {
+ msleep(50);
+ r = read_status(fe, &status);
+ if (r)
+ return DVBFE_ALGO_SEARCH_ERROR;
+ if (status & FE_HAS_LOCK)
+ break;
+ }
+
+ if (status & FE_HAS_LOCK)
+ return DVBFE_ALGO_SEARCH_SUCCESS;
+ else
+ return DVBFE_ALGO_SEARCH_AGAIN;
+}
+
+static int get_algo(struct dvb_frontend *fe)
+{
+ return DVBFE_ALGO_HW;
+}
+
+static int get_fe_t(struct cxd_state *state)
+{
+ struct dvb_frontend *fe = &state->frontend;
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+ u8 tps[7];
+
+ read_tps(state, tps);
+
+/* TPSData[0] [7:6] CNST[1:0]
+ TPSData[0] [5:3] HIER[2:0]
+ TPSData[0] [2:0] HRATE[2:0]
+*/
+ switch ((tps[0] >> 6) & 0x03) {
+ case 0:
+ p->modulation = QPSK;
+ break;
+ case 1:
+ p->modulation = QAM_16;
+ break;
+ case 2:
+ p->modulation = QAM_64;
+ break;
+ }
+ switch ((tps[0] >> 3) & 0x07) {
+ case 0:
+ p->hierarchy = HIERARCHY_NONE;
+ break;
+ case 1:
+ p->hierarchy = HIERARCHY_1;
+ break;
+ case 2:
+ p->hierarchy = HIERARCHY_2;
+ break;
+ case 3:
+ p->hierarchy = HIERARCHY_4;
+ break;
+ }
+ switch ((tps[0] >> 0) & 0x07) {
+ case 0:
+ p->code_rate_HP = FEC_1_2;
+ break;
+ case 1:
+ p->code_rate_HP = FEC_2_3;
+ break;
+ case 2:
+ p->code_rate_HP = FEC_3_4;
+ break;
+ case 3:
+ p->code_rate_HP = FEC_5_6;
+ break;
+ case 4:
+ p->code_rate_HP = FEC_7_8;
+ break;
+ }
+
+/* TPSData[1] [7:5] LRATE[2:0]
+ TPSData[1] [4:3] GI[1:0]
+ TPSData[1] [2:1] MODE[1:0]
+*/
+ switch ((tps[1] >> 5) & 0x07) {
+ case 0:
+ p->code_rate_LP = FEC_1_2;
+ break;
+ case 1:
+ p->code_rate_LP = FEC_2_3;
+ break;
+ case 2:
+ p->code_rate_LP = FEC_3_4;
+ break;
+ case 3:
+ p->code_rate_LP = FEC_5_6;
+ break;
+ case 4:
+ p->code_rate_LP = FEC_7_8;
+ break;
+ }
+ switch ((tps[1] >> 3) & 0x03) {
+ case 0:
+ p->guard_interval = GUARD_INTERVAL_1_32;
+ break;
+ case 1:
+ p->guard_interval = GUARD_INTERVAL_1_16;
+ break;
+ case 2:
+ p->guard_interval = GUARD_INTERVAL_1_8;
+ break;
+ case 3:
+ p->guard_interval = GUARD_INTERVAL_1_4;
+ break;
+ }
+ switch ((tps[1] >> 1) & 0x03) {
+ case 0:
+ p->transmission_mode = TRANSMISSION_MODE_2K;
+ break;
+ case 1:
+ p->transmission_mode = TRANSMISSION_MODE_8K;
+ break;
+ }
+
+ return 0;
+}
+
+static int get_fe_c(struct cxd_state *state)
+{
+ struct dvb_frontend *fe = &state->frontend;
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+ u8 qam;
+
+ freeze_regst(state);
+ readregst_unlocked(state, 0x40, 0x19, &qam, 1);
+ unfreeze_regst(state);
+ p->modulation = qam & 0x07;
+ return 0;
+}
+
+static int get_frontend(struct dvb_frontend *fe)
+{
+ struct cxd_state *state = fe->demodulator_priv;
+
+ if (state->last_status != 0x1f)
+ return 0;
+
+ switch (state->state) {
+ case ActiveT:
+ get_fe_t(state);
+ break;
+ case ActiveT2:
+ break;
+ case ActiveC:
+ get_fe_c(state);
+ break;
+ case ActiveC2:
+ break;
+ case ActiveIT:
+ break;
+ default:
+ break;
+ }
+ return 0;
+}
+
+static struct dvb_frontend_ops common_ops_2843 = {
+ .delsys = { SYS_DVBC_ANNEX_A, SYS_DVBT, SYS_DVBT2, SYS_DVBC2 },
+ .info = {
+ .name = "CXD2843 DVB-C/C2 DVB-T/T2",
+ .frequency_stepsize = 166667, /* DVB-T only */
+ .frequency_min = 47000000, /* DVB-T: 47125000 */
+ .frequency_max = 865000000, /* DVB-C: 862000000 */
+ .symbol_rate_min = 870000,
+ .symbol_rate_max = 11700000,
+ .caps = /* DVB-C */
+ FE_CAN_QAM_16 | FE_CAN_QAM_32 | FE_CAN_QAM_64 |
+ FE_CAN_QAM_128 | FE_CAN_QAM_256 |
+ FE_CAN_FEC_AUTO |
+ /* DVB-T */
+ FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
+ FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
+ FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
+ FE_CAN_TRANSMISSION_MODE_AUTO |
+ FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_HIERARCHY_AUTO |
+ FE_CAN_RECOVER | FE_CAN_MUTE_TS
+ },
+ .release = release,
+ .i2c_gate_ctrl = gate_ctrl,
+ .set_frontend = set_parameters,
+
+ .get_tune_settings = get_tune_settings,
+ .read_status = read_status,
+ .read_ber = read_ber,
+ .read_signal_strength = read_signal_strength,
+ .read_snr = read_snr,
+ .read_ucblocks = read_ucblocks,
+ .get_frontend = get_frontend,
+#ifdef USE_ALGO
+ .get_frontend_algo = get_algo,
+ .search = search,
+ .tune = tune,
+#endif
+};
+
+static struct dvb_frontend_ops common_ops_2837 = {
+ .delsys = { SYS_DVBC_ANNEX_A, SYS_DVBT, SYS_DVBT2 },
+ .info = {
+ .name = "CXD2837 DVB-C DVB-T/T2",
+ .frequency_stepsize = 166667, /* DVB-T only */
+ .frequency_min = 47000000, /* DVB-T: 47125000 */
+ .frequency_max = 865000000, /* DVB-C: 862000000 */
+ .symbol_rate_min = 870000,
+ .symbol_rate_max = 11700000,
+ .caps = /* DVB-C */
+ FE_CAN_QAM_16 | FE_CAN_QAM_32 | FE_CAN_QAM_64 |
+ FE_CAN_QAM_128 | FE_CAN_QAM_256 |
+ FE_CAN_FEC_AUTO |
+ /* DVB-T */
+ FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
+ FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
+ FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
+ FE_CAN_TRANSMISSION_MODE_AUTO |
+ FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_HIERARCHY_AUTO |
+ FE_CAN_RECOVER | FE_CAN_MUTE_TS
+ },
+ .release = release,
+ .i2c_gate_ctrl = gate_ctrl,
+ .set_frontend = set_parameters,
+
+ .get_tune_settings = get_tune_settings,
+ .read_status = read_status,
+ .read_ber = read_ber,
+ .read_signal_strength = read_signal_strength,
+ .read_snr = read_snr,
+ .read_ucblocks = read_ucblocks,
+ .get_frontend = get_frontend,
+#ifdef USE_ALGO
+ .get_frontend_algo = get_algo,
+ .search = search,
+ .tune = tune,
+#endif
+};
+
+static struct dvb_frontend_ops common_ops_2838 = {
+ .delsys = { SYS_ISDBT },
+ .info = {
+ .name = "CXD2838 ISDB-T",
+ .frequency_stepsize = 166667,
+ .frequency_min = 47000000,
+ .frequency_max = 865000000,
+ .symbol_rate_min = 870000,
+ .symbol_rate_max = 11700000,
+ .caps = FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
+ FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 |
+ FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO |
+ FE_CAN_TRANSMISSION_MODE_AUTO |
+ FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_HIERARCHY_AUTO |
+ FE_CAN_RECOVER | FE_CAN_MUTE_TS
+ },
+ .release = release,
+ .i2c_gate_ctrl = gate_ctrl,
+ .set_frontend = set_parameters,
+
+ .get_tune_settings = get_tune_settings,
+ .read_status = read_status,
+ .read_ber = read_ber,
+ .read_signal_strength = read_signal_strength,
+ .read_snr = read_snr,
+ .read_ucblocks = read_ucblocks,
+#ifdef USE_ALGO
+ .get_frontend_algo = get_algo,
+ .search = search,
+ .tune = tune,
+#endif
+};
+
+static int probe(struct cxd_state *state)
+{
+ u8 ChipID = 0x00;
+ int status;
+
+ status = readregst(state, 0x00, 0xFD, &ChipID, 1);
+
+ if (status)
+ status = readregsx(state, 0x00, 0xFD, &ChipID, 1);
+ if (status)
+ return status;
+
+ /*printk("ChipID = %02X\n", ChipID);*/
+ switch (ChipID) {
+ case 0xa4:
+ state->type = CXD2843;
+ memcpy(&state->frontend.ops, &common_ops_2843,
+ sizeof(struct dvb_frontend_ops));
+ break;
+ case 0xb1:
+ state->type = CXD2837;
+ memcpy(&state->frontend.ops, &common_ops_2837,
+ sizeof(struct dvb_frontend_ops));
+ break;
+ case 0xb0:
+ state->type = CXD2838;
+ memcpy(&state->frontend.ops, &common_ops_2838,
+ sizeof(struct dvb_frontend_ops));
+ break;
+ default:
+ return -1;
+ }
+ state->frontend.demodulator_priv = state;
+ return 0;
+}
+
+struct dvb_frontend *cxd2843_attach(struct i2c_adapter *i2c,
+ struct cxd2843_cfg *cfg)
+{
+ struct cxd_state *state = NULL;
+
+ state = kzalloc(sizeof(struct cxd_state), GFP_KERNEL);
+ if (!state)
+ return NULL;
+
+ state->i2c = i2c;
+ init_state(state, cfg);
+ if (probe(state) == 0) {
+ init(state);
+ return &state->frontend;
+ }
+ pr_err("cxd2843: not found\n");
+ kfree(state);
+ return NULL;
+}
+EXPORT_SYMBOL(cxd2843_attach);
+
+MODULE_DESCRIPTION("CXD2843/37/38 driver");
+MODULE_AUTHOR("Ralph Metzler, Manfred Voelkel");
+MODULE_LICENSE("GPL");
diff --git a/drivers/media/dvb-frontends/cxd2843.h
b/drivers/media/dvb-frontends/cxd2843.h
new file mode 100644
index 0000000..f3e355b
--- /dev/null
+++ b/drivers/media/dvb-frontends/cxd2843.h
@@ -0,0 +1,30 @@
+#ifndef _CXD2843_H_
+#define _CXD2843_H_
+
+#include <linux/types.h>
+#include <linux/i2c.h>
+
+struct cxd2843_cfg {
+ u8 adr;
+ u32 ts_clock;
+ u8 parallel;
+};
+
+#if defined(CONFIG_DVB_CXD2843) || \
+ (defined(CONFIG_DVB_CXD2843_MODULE) && defined(MODULE))
+
+extern struct dvb_frontend *cxd2843_attach(struct i2c_adapter *i2c,
+ struct cxd2843_cfg *cfg);
+
+#else
+
+static inline struct dvb_frontend *cxd2843_attach(struct i2c_adapter *i2c,
+ struct cxd2843_cfg *cfg)
+{
+ pr_warn("%s: driver disabled by Kconfig\n", __func__);
+ return NULL;
+}
+
+#endif
+
+#endif
--
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