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Diffstat (limited to 'drivers/media/dvb/frontends/drxk_hard.c')
-rw-r--r--drivers/media/dvb/frontends/drxk_hard.c6451
1 files changed, 6451 insertions, 0 deletions
diff --git a/drivers/media/dvb/frontends/drxk_hard.c b/drivers/media/dvb/frontends/drxk_hard.c
new file mode 100644
index 00000000..a414b1f2
--- /dev/null
+++ b/drivers/media/dvb/frontends/drxk_hard.c
@@ -0,0 +1,6451 @@
+/*
+ * drxk_hard: DRX-K DVB-C/T demodulator driver
+ *
+ * Copyright (C) 2010-2011 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 <asm/div64.h>
+
+#include "dvb_frontend.h"
+#include "drxk.h"
+#include "drxk_hard.h"
+
+static int PowerDownDVBT(struct drxk_state *state, bool setPowerMode);
+static int PowerDownQAM(struct drxk_state *state);
+static int SetDVBTStandard(struct drxk_state *state,
+ enum OperationMode oMode);
+static int SetQAMStandard(struct drxk_state *state,
+ enum OperationMode oMode);
+static int SetQAM(struct drxk_state *state, u16 IntermediateFreqkHz,
+ s32 tunerFreqOffset);
+static int SetDVBTStandard(struct drxk_state *state,
+ enum OperationMode oMode);
+static int DVBTStart(struct drxk_state *state);
+static int SetDVBT(struct drxk_state *state, u16 IntermediateFreqkHz,
+ s32 tunerFreqOffset);
+static int GetQAMLockStatus(struct drxk_state *state, u32 *pLockStatus);
+static int GetDVBTLockStatus(struct drxk_state *state, u32 *pLockStatus);
+static int SwitchAntennaToQAM(struct drxk_state *state);
+static int SwitchAntennaToDVBT(struct drxk_state *state);
+
+static bool IsDVBT(struct drxk_state *state)
+{
+ return state->m_OperationMode == OM_DVBT;
+}
+
+static bool IsQAM(struct drxk_state *state)
+{
+ return state->m_OperationMode == OM_QAM_ITU_A ||
+ state->m_OperationMode == OM_QAM_ITU_B ||
+ state->m_OperationMode == OM_QAM_ITU_C;
+}
+
+bool IsA1WithPatchCode(struct drxk_state *state)
+{
+ return state->m_DRXK_A1_PATCH_CODE;
+}
+
+bool IsA1WithRomCode(struct drxk_state *state)
+{
+ return state->m_DRXK_A1_ROM_CODE;
+}
+
+#define NOA1ROM 0
+
+#define DRXDAP_FASI_SHORT_FORMAT(addr) (((addr) & 0xFC30FF80) == 0)
+#define DRXDAP_FASI_LONG_FORMAT(addr) (((addr) & 0xFC30FF80) != 0)
+
+#define DEFAULT_MER_83 165
+#define DEFAULT_MER_93 250
+
+#ifndef DRXK_MPEG_SERIAL_OUTPUT_PIN_DRIVE_STRENGTH
+#define DRXK_MPEG_SERIAL_OUTPUT_PIN_DRIVE_STRENGTH (0x02)
+#endif
+
+#ifndef DRXK_MPEG_PARALLEL_OUTPUT_PIN_DRIVE_STRENGTH
+#define DRXK_MPEG_PARALLEL_OUTPUT_PIN_DRIVE_STRENGTH (0x03)
+#endif
+
+#define DEFAULT_DRXK_MPEG_LOCK_TIMEOUT 700
+#define DEFAULT_DRXK_DEMOD_LOCK_TIMEOUT 500
+
+#ifndef DRXK_KI_RAGC_ATV
+#define DRXK_KI_RAGC_ATV 4
+#endif
+#ifndef DRXK_KI_IAGC_ATV
+#define DRXK_KI_IAGC_ATV 6
+#endif
+#ifndef DRXK_KI_DAGC_ATV
+#define DRXK_KI_DAGC_ATV 7
+#endif
+
+#ifndef DRXK_KI_RAGC_QAM
+#define DRXK_KI_RAGC_QAM 3
+#endif
+#ifndef DRXK_KI_IAGC_QAM
+#define DRXK_KI_IAGC_QAM 4
+#endif
+#ifndef DRXK_KI_DAGC_QAM
+#define DRXK_KI_DAGC_QAM 7
+#endif
+#ifndef DRXK_KI_RAGC_DVBT
+#define DRXK_KI_RAGC_DVBT (IsA1WithPatchCode(state) ? 3 : 2)
+#endif
+#ifndef DRXK_KI_IAGC_DVBT
+#define DRXK_KI_IAGC_DVBT (IsA1WithPatchCode(state) ? 4 : 2)
+#endif
+#ifndef DRXK_KI_DAGC_DVBT
+#define DRXK_KI_DAGC_DVBT (IsA1WithPatchCode(state) ? 10 : 7)
+#endif
+
+#ifndef DRXK_AGC_DAC_OFFSET
+#define DRXK_AGC_DAC_OFFSET (0x800)
+#endif
+
+#ifndef DRXK_BANDWIDTH_8MHZ_IN_HZ
+#define DRXK_BANDWIDTH_8MHZ_IN_HZ (0x8B8249L)
+#endif
+
+#ifndef DRXK_BANDWIDTH_7MHZ_IN_HZ
+#define DRXK_BANDWIDTH_7MHZ_IN_HZ (0x7A1200L)
+#endif
+
+#ifndef DRXK_BANDWIDTH_6MHZ_IN_HZ
+#define DRXK_BANDWIDTH_6MHZ_IN_HZ (0x68A1B6L)
+#endif
+
+#ifndef DRXK_QAM_SYMBOLRATE_MAX
+#define DRXK_QAM_SYMBOLRATE_MAX (7233000)
+#endif
+
+#define DRXK_BL_ROM_OFFSET_TAPS_DVBT 56
+#define DRXK_BL_ROM_OFFSET_TAPS_ITU_A 64
+#define DRXK_BL_ROM_OFFSET_TAPS_ITU_C 0x5FE0
+#define DRXK_BL_ROM_OFFSET_TAPS_BG 24
+#define DRXK_BL_ROM_OFFSET_TAPS_DKILLP 32
+#define DRXK_BL_ROM_OFFSET_TAPS_NTSC 40
+#define DRXK_BL_ROM_OFFSET_TAPS_FM 48
+#define DRXK_BL_ROM_OFFSET_UCODE 0
+
+#define DRXK_BLC_TIMEOUT 100
+
+#define DRXK_BLCC_NR_ELEMENTS_TAPS 2
+#define DRXK_BLCC_NR_ELEMENTS_UCODE 6
+
+#define DRXK_BLDC_NR_ELEMENTS_TAPS 28
+
+#ifndef DRXK_OFDM_NE_NOTCH_WIDTH
+#define DRXK_OFDM_NE_NOTCH_WIDTH (4)
+#endif
+
+#define DRXK_QAM_SL_SIG_POWER_QAM16 (40960)
+#define DRXK_QAM_SL_SIG_POWER_QAM32 (20480)
+#define DRXK_QAM_SL_SIG_POWER_QAM64 (43008)
+#define DRXK_QAM_SL_SIG_POWER_QAM128 (20992)
+#define DRXK_QAM_SL_SIG_POWER_QAM256 (43520)
+
+static unsigned int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "enable debug messages");
+
+#define dprintk(level, fmt, arg...) do { \
+if (debug >= level) \
+ printk(KERN_DEBUG "drxk: %s" fmt, __func__, ## arg); \
+} while (0)
+
+
+static inline u32 MulDiv32(u32 a, u32 b, u32 c)
+{
+ u64 tmp64;
+
+ tmp64 = (u64) a * (u64) b;
+ do_div(tmp64, c);
+
+ return (u32) tmp64;
+}
+
+inline u32 Frac28a(u32 a, u32 c)
+{
+ int i = 0;
+ u32 Q1 = 0;
+ u32 R0 = 0;
+
+ R0 = (a % c) << 4; /* 32-28 == 4 shifts possible at max */
+ Q1 = a / c; /* integer part, only the 4 least significant bits
+ will be visible in the result */
+
+ /* division using radix 16, 7 nibbles in the result */
+ for (i = 0; i < 7; i++) {
+ Q1 = (Q1 << 4) | (R0 / c);
+ R0 = (R0 % c) << 4;
+ }
+ /* rounding */
+ if ((R0 >> 3) >= c)
+ Q1++;
+
+ return Q1;
+}
+
+static u32 Log10Times100(u32 x)
+{
+ static const u8 scale = 15;
+ static const u8 indexWidth = 5;
+ u8 i = 0;
+ u32 y = 0;
+ u32 d = 0;
+ u32 k = 0;
+ u32 r = 0;
+ /*
+ log2lut[n] = (1<<scale) * 200 * log2(1.0 + ((1.0/(1<<INDEXWIDTH)) * n))
+ 0 <= n < ((1<<INDEXWIDTH)+1)
+ */
+
+ static const u32 log2lut[] = {
+ 0, /* 0.000000 */
+ 290941, /* 290941.300628 */
+ 573196, /* 573196.476418 */
+ 847269, /* 847269.179851 */
+ 1113620, /* 1113620.489452 */
+ 1372674, /* 1372673.576986 */
+ 1624818, /* 1624817.752104 */
+ 1870412, /* 1870411.981536 */
+ 2109788, /* 2109787.962654 */
+ 2343253, /* 2343252.817465 */
+ 2571091, /* 2571091.461923 */
+ 2793569, /* 2793568.696416 */
+ 3010931, /* 3010931.055901 */
+ 3223408, /* 3223408.452106 */
+ 3431216, /* 3431215.635215 */
+ 3634553, /* 3634553.498355 */
+ 3833610, /* 3833610.244726 */
+ 4028562, /* 4028562.434393 */
+ 4219576, /* 4219575.925308 */
+ 4406807, /* 4406806.721144 */
+ 4590402, /* 4590401.736809 */
+ 4770499, /* 4770499.491025 */
+ 4947231, /* 4947230.734179 */
+ 5120719, /* 5120719.018555 */
+ 5291081, /* 5291081.217197 */
+ 5458428, /* 5458427.996830 */
+ 5622864, /* 5622864.249668 */
+ 5784489, /* 5784489.488298 */
+ 5943398, /* 5943398.207380 */
+ 6099680, /* 6099680.215452 */
+ 6253421, /* 6253420.939751 */
+ 6404702, /* 6404701.706649 */
+ 6553600, /* 6553600.000000 */
+ };
+
+
+ if (x == 0)
+ return 0;
+
+ /* Scale x (normalize) */
+ /* computing y in log(x/y) = log(x) - log(y) */
+ if ((x & ((0xffffffff) << (scale + 1))) == 0) {
+ for (k = scale; k > 0; k--) {
+ if (x & (((u32) 1) << scale))
+ break;
+ x <<= 1;
+ }
+ } else {
+ for (k = scale; k < 31; k++) {
+ if ((x & (((u32) (-1)) << (scale + 1))) == 0)
+ break;
+ x >>= 1;
+ }
+ }
+ /*
+ Now x has binary point between bit[scale] and bit[scale-1]
+ and 1.0 <= x < 2.0 */
+
+ /* correction for divison: log(x) = log(x/y)+log(y) */
+ y = k * ((((u32) 1) << scale) * 200);
+
+ /* remove integer part */
+ x &= ((((u32) 1) << scale) - 1);
+ /* get index */
+ i = (u8) (x >> (scale - indexWidth));
+ /* compute delta (x - a) */
+ d = x & ((((u32) 1) << (scale - indexWidth)) - 1);
+ /* compute log, multiplication (d* (..)) must be within range ! */
+ y += log2lut[i] +
+ ((d * (log2lut[i + 1] - log2lut[i])) >> (scale - indexWidth));
+ /* Conver to log10() */
+ y /= 108853; /* (log2(10) << scale) */
+ r = (y >> 1);
+ /* rounding */
+ if (y & ((u32) 1))
+ r++;
+ return r;
+}
+
+/****************************************************************************/
+/* I2C **********************************************************************/
+/****************************************************************************/
+
+static int i2c_read1(struct i2c_adapter *adapter, u8 adr, u8 *val)
+{
+ struct i2c_msg msgs[1] = { {.addr = adr, .flags = I2C_M_RD,
+ .buf = val, .len = 1}
+ };
+
+ return i2c_transfer(adapter, msgs, 1);
+}
+
+static int i2c_write(struct i2c_adapter *adap, u8 adr, u8 *data, int len)
+{
+ int status;
+ struct i2c_msg msg = {
+ .addr = adr, .flags = 0, .buf = data, .len = len };
+
+ dprintk(3, ":");
+ if (debug > 2) {
+ int i;
+ for (i = 0; i < len; i++)
+ printk(KERN_CONT " %02x", data[i]);
+ printk(KERN_CONT "\n");
+ }
+ status = i2c_transfer(adap, &msg, 1);
+ if (status >= 0 && status != 1)
+ status = -EIO;
+
+ if (status < 0)
+ printk(KERN_ERR "drxk: i2c write error at addr 0x%02x\n", adr);
+
+ return status;
+}
+
+static int i2c_read(struct i2c_adapter *adap,
+ u8 adr, u8 *msg, int len, u8 *answ, int alen)
+{
+ int status;
+ struct i2c_msg msgs[2] = {
+ {.addr = adr, .flags = 0,
+ .buf = msg, .len = len},
+ {.addr = adr, .flags = I2C_M_RD,
+ .buf = answ, .len = alen}
+ };
+
+ status = i2c_transfer(adap, msgs, 2);
+ if (status != 2) {
+ if (debug > 2)
+ printk(KERN_CONT ": ERROR!\n");
+ if (status >= 0)
+ status = -EIO;
+
+ printk(KERN_ERR "drxk: i2c read error at addr 0x%02x\n", adr);
+ return status;
+ }
+ if (debug > 2) {
+ int i;
+ dprintk(2, ": read from");
+ for (i = 0; i < len; i++)
+ printk(KERN_CONT " %02x", msg[i]);
+ printk(KERN_CONT ", value = ");
+ for (i = 0; i < alen; i++)
+ printk(KERN_CONT " %02x", answ[i]);
+ printk(KERN_CONT "\n");
+ }
+ return 0;
+}
+
+static int read16_flags(struct drxk_state *state, u32 reg, u16 *data, u8 flags)
+{
+ int status;
+ u8 adr = state->demod_address, mm1[4], mm2[2], len;
+
+ if (state->single_master)
+ flags |= 0xC0;
+
+ if (DRXDAP_FASI_LONG_FORMAT(reg) || (flags != 0)) {
+ mm1[0] = (((reg << 1) & 0xFF) | 0x01);
+ mm1[1] = ((reg >> 16) & 0xFF);
+ mm1[2] = ((reg >> 24) & 0xFF) | flags;
+ mm1[3] = ((reg >> 7) & 0xFF);
+ len = 4;
+ } else {
+ mm1[0] = ((reg << 1) & 0xFF);
+ mm1[1] = (((reg >> 16) & 0x0F) | ((reg >> 18) & 0xF0));
+ len = 2;
+ }
+ dprintk(2, "(0x%08x, 0x%02x)\n", reg, flags);
+ status = i2c_read(state->i2c, adr, mm1, len, mm2, 2);
+ if (status < 0)
+ return status;
+ if (data)
+ *data = mm2[0] | (mm2[1] << 8);
+
+ return 0;
+}
+
+static int read16(struct drxk_state *state, u32 reg, u16 *data)
+{
+ return read16_flags(state, reg, data, 0);
+}
+
+static int read32_flags(struct drxk_state *state, u32 reg, u32 *data, u8 flags)
+{
+ int status;
+ u8 adr = state->demod_address, mm1[4], mm2[4], len;
+
+ if (state->single_master)
+ flags |= 0xC0;
+
+ if (DRXDAP_FASI_LONG_FORMAT(reg) || (flags != 0)) {
+ mm1[0] = (((reg << 1) & 0xFF) | 0x01);
+ mm1[1] = ((reg >> 16) & 0xFF);
+ mm1[2] = ((reg >> 24) & 0xFF) | flags;
+ mm1[3] = ((reg >> 7) & 0xFF);
+ len = 4;
+ } else {
+ mm1[0] = ((reg << 1) & 0xFF);
+ mm1[1] = (((reg >> 16) & 0x0F) | ((reg >> 18) & 0xF0));
+ len = 2;
+ }
+ dprintk(2, "(0x%08x, 0x%02x)\n", reg, flags);
+ status = i2c_read(state->i2c, adr, mm1, len, mm2, 4);
+ if (status < 0)
+ return status;
+ if (data)
+ *data = mm2[0] | (mm2[1] << 8) |
+ (mm2[2] << 16) | (mm2[3] << 24);
+
+ return 0;
+}
+
+static int read32(struct drxk_state *state, u32 reg, u32 *data)
+{
+ return read32_flags(state, reg, data, 0);
+}
+
+static int write16_flags(struct drxk_state *state, u32 reg, u16 data, u8 flags)
+{
+ u8 adr = state->demod_address, mm[6], len;
+
+ if (state->single_master)
+ flags |= 0xC0;
+ if (DRXDAP_FASI_LONG_FORMAT(reg) || (flags != 0)) {
+ mm[0] = (((reg << 1) & 0xFF) | 0x01);
+ mm[1] = ((reg >> 16) & 0xFF);
+ mm[2] = ((reg >> 24) & 0xFF) | flags;
+ mm[3] = ((reg >> 7) & 0xFF);
+ len = 4;
+ } else {
+ mm[0] = ((reg << 1) & 0xFF);
+ mm[1] = (((reg >> 16) & 0x0F) | ((reg >> 18) & 0xF0));
+ len = 2;
+ }
+ mm[len] = data & 0xff;
+ mm[len + 1] = (data >> 8) & 0xff;
+
+ dprintk(2, "(0x%08x, 0x%04x, 0x%02x)\n", reg, data, flags);
+ return i2c_write(state->i2c, adr, mm, len + 2);
+}
+
+static int write16(struct drxk_state *state, u32 reg, u16 data)
+{
+ return write16_flags(state, reg, data, 0);
+}
+
+static int write32_flags(struct drxk_state *state, u32 reg, u32 data, u8 flags)
+{
+ u8 adr = state->demod_address, mm[8], len;
+
+ if (state->single_master)
+ flags |= 0xC0;
+ if (DRXDAP_FASI_LONG_FORMAT(reg) || (flags != 0)) {
+ mm[0] = (((reg << 1) & 0xFF) | 0x01);
+ mm[1] = ((reg >> 16) & 0xFF);
+ mm[2] = ((reg >> 24) & 0xFF) | flags;
+ mm[3] = ((reg >> 7) & 0xFF);
+ len = 4;
+ } else {
+ mm[0] = ((reg << 1) & 0xFF);
+ mm[1] = (((reg >> 16) & 0x0F) | ((reg >> 18) & 0xF0));
+ len = 2;
+ }
+ mm[len] = data & 0xff;
+ mm[len + 1] = (data >> 8) & 0xff;
+ mm[len + 2] = (data >> 16) & 0xff;
+ mm[len + 3] = (data >> 24) & 0xff;
+ dprintk(2, "(0x%08x, 0x%08x, 0x%02x)\n", reg, data, flags);
+
+ return i2c_write(state->i2c, adr, mm, len + 4);
+}
+
+static int write32(struct drxk_state *state, u32 reg, u32 data)
+{
+ return write32_flags(state, reg, data, 0);
+}
+
+static int write_block(struct drxk_state *state, u32 Address,
+ const int BlockSize, const u8 pBlock[])
+{
+ int status = 0, BlkSize = BlockSize;
+ u8 Flags = 0;
+
+ if (state->single_master)
+ Flags |= 0xC0;
+
+ while (BlkSize > 0) {
+ int Chunk = BlkSize > state->m_ChunkSize ?
+ state->m_ChunkSize : BlkSize;
+ u8 *AdrBuf = &state->Chunk[0];
+ u32 AdrLength = 0;
+
+ if (DRXDAP_FASI_LONG_FORMAT(Address) || (Flags != 0)) {
+ AdrBuf[0] = (((Address << 1) & 0xFF) | 0x01);
+ AdrBuf[1] = ((Address >> 16) & 0xFF);
+ AdrBuf[2] = ((Address >> 24) & 0xFF);
+ AdrBuf[3] = ((Address >> 7) & 0xFF);
+ AdrBuf[2] |= Flags;
+ AdrLength = 4;
+ if (Chunk == state->m_ChunkSize)
+ Chunk -= 2;
+ } else {
+ AdrBuf[0] = ((Address << 1) & 0xFF);
+ AdrBuf[1] = (((Address >> 16) & 0x0F) |
+ ((Address >> 18) & 0xF0));
+ AdrLength = 2;
+ }
+ memcpy(&state->Chunk[AdrLength], pBlock, Chunk);
+ dprintk(2, "(0x%08x, 0x%02x)\n", Address, Flags);
+ if (debug > 1) {
+ int i;
+ if (pBlock)
+ for (i = 0; i < Chunk; i++)
+ printk(KERN_CONT " %02x", pBlock[i]);
+ printk(KERN_CONT "\n");
+ }
+ status = i2c_write(state->i2c, state->demod_address,
+ &state->Chunk[0], Chunk + AdrLength);
+ if (status < 0) {
+ printk(KERN_ERR "drxk: %s: i2c write error at addr 0x%02x\n",
+ __func__, Address);
+ break;
+ }
+ pBlock += Chunk;
+ Address += (Chunk >> 1);
+ BlkSize -= Chunk;
+ }
+ return status;
+}
+
+#ifndef DRXK_MAX_RETRIES_POWERUP
+#define DRXK_MAX_RETRIES_POWERUP 20
+#endif
+
+int PowerUpDevice(struct drxk_state *state)
+{
+ int status;
+ u8 data = 0;
+ u16 retryCount = 0;
+
+ dprintk(1, "\n");
+
+ status = i2c_read1(state->i2c, state->demod_address, &data);
+ if (status < 0) {
+ do {
+ data = 0;
+ status = i2c_write(state->i2c, state->demod_address,
+ &data, 1);
+ msleep(10);
+ retryCount++;
+ if (status < 0)
+ continue;
+ status = i2c_read1(state->i2c, state->demod_address,
+ &data);
+ } while (status < 0 &&
+ (retryCount < DRXK_MAX_RETRIES_POWERUP));
+ if (status < 0 && retryCount >= DRXK_MAX_RETRIES_POWERUP)
+ goto error;
+ }
+
+ /* Make sure all clk domains are active */
+ status = write16(state, SIO_CC_PWD_MODE__A, SIO_CC_PWD_MODE_LEVEL_NONE);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_CC_UPDATE__A, SIO_CC_UPDATE_KEY);
+ if (status < 0)
+ goto error;
+ /* Enable pll lock tests */
+ status = write16(state, SIO_CC_PLL_LOCK__A, 1);
+ if (status < 0)
+ goto error;
+
+ state->m_currentPowerMode = DRX_POWER_UP;
+
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+
+static int init_state(struct drxk_state *state)
+{
+ /*
+ * FIXME: most (all?) of the values bellow should be moved into
+ * struct drxk_config, as they are probably board-specific
+ */
+ u32 ulVSBIfAgcMode = DRXK_AGC_CTRL_AUTO;
+ u32 ulVSBIfAgcOutputLevel = 0;
+ u32 ulVSBIfAgcMinLevel = 0;
+ u32 ulVSBIfAgcMaxLevel = 0x7FFF;
+ u32 ulVSBIfAgcSpeed = 3;
+
+ u32 ulVSBRfAgcMode = DRXK_AGC_CTRL_AUTO;
+ u32 ulVSBRfAgcOutputLevel = 0;
+ u32 ulVSBRfAgcMinLevel = 0;
+ u32 ulVSBRfAgcMaxLevel = 0x7FFF;
+ u32 ulVSBRfAgcSpeed = 3;
+ u32 ulVSBRfAgcTop = 9500;
+ u32 ulVSBRfAgcCutOffCurrent = 4000;
+
+ u32 ulATVIfAgcMode = DRXK_AGC_CTRL_AUTO;
+ u32 ulATVIfAgcOutputLevel = 0;
+ u32 ulATVIfAgcMinLevel = 0;
+ u32 ulATVIfAgcMaxLevel = 0;
+ u32 ulATVIfAgcSpeed = 3;
+
+ u32 ulATVRfAgcMode = DRXK_AGC_CTRL_OFF;
+ u32 ulATVRfAgcOutputLevel = 0;
+ u32 ulATVRfAgcMinLevel = 0;
+ u32 ulATVRfAgcMaxLevel = 0;
+ u32 ulATVRfAgcTop = 9500;
+ u32 ulATVRfAgcCutOffCurrent = 4000;
+ u32 ulATVRfAgcSpeed = 3;
+
+ u32 ulQual83 = DEFAULT_MER_83;
+ u32 ulQual93 = DEFAULT_MER_93;
+
+ u32 ulMpegLockTimeOut = DEFAULT_DRXK_MPEG_LOCK_TIMEOUT;
+ u32 ulDemodLockTimeOut = DEFAULT_DRXK_DEMOD_LOCK_TIMEOUT;
+
+ /* io_pad_cfg register (8 bit reg.) MSB bit is 1 (default value) */
+ /* io_pad_cfg_mode output mode is drive always */
+ /* io_pad_cfg_drive is set to power 2 (23 mA) */
+ u32 ulGPIOCfg = 0x0113;
+ u32 ulInvertTSClock = 0;
+ u32 ulTSDataStrength = DRXK_MPEG_SERIAL_OUTPUT_PIN_DRIVE_STRENGTH;
+ u32 ulDVBTBitrate = 50000000;
+ u32 ulDVBCBitrate = DRXK_QAM_SYMBOLRATE_MAX * 8;
+
+ u32 ulInsertRSByte = 0;
+
+ u32 ulRfMirror = 1;
+ u32 ulPowerDown = 0;
+
+ dprintk(1, "\n");
+
+ state->m_hasLNA = false;
+ state->m_hasDVBT = false;
+ state->m_hasDVBC = false;
+ state->m_hasATV = false;
+ state->m_hasOOB = false;
+ state->m_hasAudio = false;
+
+ if (!state->m_ChunkSize)
+ state->m_ChunkSize = 124;
+
+ state->m_oscClockFreq = 0;
+ state->m_smartAntInverted = false;
+ state->m_bPDownOpenBridge = false;
+
+ /* real system clock frequency in kHz */
+ state->m_sysClockFreq = 151875;
+ /* Timing div, 250ns/Psys */
+ /* Timing div, = (delay (nano seconds) * sysclk (kHz))/ 1000 */
+ state->m_HICfgTimingDiv = ((state->m_sysClockFreq / 1000) *
+ HI_I2C_DELAY) / 1000;
+ /* Clipping */
+ if (state->m_HICfgTimingDiv > SIO_HI_RA_RAM_PAR_2_CFG_DIV__M)
+ state->m_HICfgTimingDiv = SIO_HI_RA_RAM_PAR_2_CFG_DIV__M;
+ state->m_HICfgWakeUpKey = (state->demod_address << 1);
+ /* port/bridge/power down ctrl */
+ state->m_HICfgCtrl = SIO_HI_RA_RAM_PAR_5_CFG_SLV0_SLAVE;
+
+ state->m_bPowerDown = (ulPowerDown != 0);
+
+ state->m_DRXK_A1_PATCH_CODE = false;
+ state->m_DRXK_A1_ROM_CODE = false;
+ state->m_DRXK_A2_ROM_CODE = false;
+ state->m_DRXK_A3_ROM_CODE = false;
+ state->m_DRXK_A2_PATCH_CODE = false;
+ state->m_DRXK_A3_PATCH_CODE = false;
+
+ /* Init AGC and PGA parameters */
+ /* VSB IF */
+ state->m_vsbIfAgcCfg.ctrlMode = (ulVSBIfAgcMode);
+ state->m_vsbIfAgcCfg.outputLevel = (ulVSBIfAgcOutputLevel);
+ state->m_vsbIfAgcCfg.minOutputLevel = (ulVSBIfAgcMinLevel);
+ state->m_vsbIfAgcCfg.maxOutputLevel = (ulVSBIfAgcMaxLevel);
+ state->m_vsbIfAgcCfg.speed = (ulVSBIfAgcSpeed);
+ state->m_vsbPgaCfg = 140;
+
+ /* VSB RF */
+ state->m_vsbRfAgcCfg.ctrlMode = (ulVSBRfAgcMode);
+ state->m_vsbRfAgcCfg.outputLevel = (ulVSBRfAgcOutputLevel);
+ state->m_vsbRfAgcCfg.minOutputLevel = (ulVSBRfAgcMinLevel);
+ state->m_vsbRfAgcCfg.maxOutputLevel = (ulVSBRfAgcMaxLevel);
+ state->m_vsbRfAgcCfg.speed = (ulVSBRfAgcSpeed);
+ state->m_vsbRfAgcCfg.top = (ulVSBRfAgcTop);
+ state->m_vsbRfAgcCfg.cutOffCurrent = (ulVSBRfAgcCutOffCurrent);
+ state->m_vsbPreSawCfg.reference = 0x07;
+ state->m_vsbPreSawCfg.usePreSaw = true;
+
+ state->m_Quality83percent = DEFAULT_MER_83;
+ state->m_Quality93percent = DEFAULT_MER_93;
+ if (ulQual93 <= 500 && ulQual83 < ulQual93) {
+ state->m_Quality83percent = ulQual83;
+ state->m_Quality93percent = ulQual93;
+ }
+
+ /* ATV IF */
+ state->m_atvIfAgcCfg.ctrlMode = (ulATVIfAgcMode);
+ state->m_atvIfAgcCfg.outputLevel = (ulATVIfAgcOutputLevel);
+ state->m_atvIfAgcCfg.minOutputLevel = (ulATVIfAgcMinLevel);
+ state->m_atvIfAgcCfg.maxOutputLevel = (ulATVIfAgcMaxLevel);
+ state->m_atvIfAgcCfg.speed = (ulATVIfAgcSpeed);
+
+ /* ATV RF */
+ state->m_atvRfAgcCfg.ctrlMode = (ulATVRfAgcMode);
+ state->m_atvRfAgcCfg.outputLevel = (ulATVRfAgcOutputLevel);
+ state->m_atvRfAgcCfg.minOutputLevel = (ulATVRfAgcMinLevel);
+ state->m_atvRfAgcCfg.maxOutputLevel = (ulATVRfAgcMaxLevel);
+ state->m_atvRfAgcCfg.speed = (ulATVRfAgcSpeed);
+ state->m_atvRfAgcCfg.top = (ulATVRfAgcTop);
+ state->m_atvRfAgcCfg.cutOffCurrent = (ulATVRfAgcCutOffCurrent);
+ state->m_atvPreSawCfg.reference = 0x04;
+ state->m_atvPreSawCfg.usePreSaw = true;
+
+
+ /* DVBT RF */
+ state->m_dvbtRfAgcCfg.ctrlMode = DRXK_AGC_CTRL_OFF;
+ state->m_dvbtRfAgcCfg.outputLevel = 0;
+ state->m_dvbtRfAgcCfg.minOutputLevel = 0;
+ state->m_dvbtRfAgcCfg.maxOutputLevel = 0xFFFF;
+ state->m_dvbtRfAgcCfg.top = 0x2100;
+ state->m_dvbtRfAgcCfg.cutOffCurrent = 4000;
+ state->m_dvbtRfAgcCfg.speed = 1;
+
+
+ /* DVBT IF */
+ state->m_dvbtIfAgcCfg.ctrlMode = DRXK_AGC_CTRL_AUTO;
+ state->m_dvbtIfAgcCfg.outputLevel = 0;
+ state->m_dvbtIfAgcCfg.minOutputLevel = 0;
+ state->m_dvbtIfAgcCfg.maxOutputLevel = 9000;
+ state->m_dvbtIfAgcCfg.top = 13424;
+ state->m_dvbtIfAgcCfg.cutOffCurrent = 0;
+ state->m_dvbtIfAgcCfg.speed = 3;
+ state->m_dvbtIfAgcCfg.FastClipCtrlDelay = 30;
+ state->m_dvbtIfAgcCfg.IngainTgtMax = 30000;
+ /* state->m_dvbtPgaCfg = 140; */
+
+ state->m_dvbtPreSawCfg.reference = 4;
+ state->m_dvbtPreSawCfg.usePreSaw = false;
+
+ /* QAM RF */
+ state->m_qamRfAgcCfg.ctrlMode = DRXK_AGC_CTRL_OFF;
+ state->m_qamRfAgcCfg.outputLevel = 0;
+ state->m_qamRfAgcCfg.minOutputLevel = 6023;
+ state->m_qamRfAgcCfg.maxOutputLevel = 27000;
+ state->m_qamRfAgcCfg.top = 0x2380;
+ state->m_qamRfAgcCfg.cutOffCurrent = 4000;
+ state->m_qamRfAgcCfg.speed = 3;
+
+ /* QAM IF */
+ state->m_qamIfAgcCfg.ctrlMode = DRXK_AGC_CTRL_AUTO;
+ state->m_qamIfAgcCfg.outputLevel = 0;
+ state->m_qamIfAgcCfg.minOutputLevel = 0;
+ state->m_qamIfAgcCfg.maxOutputLevel = 9000;
+ state->m_qamIfAgcCfg.top = 0x0511;
+ state->m_qamIfAgcCfg.cutOffCurrent = 0;
+ state->m_qamIfAgcCfg.speed = 3;
+ state->m_qamIfAgcCfg.IngainTgtMax = 5119;
+ state->m_qamIfAgcCfg.FastClipCtrlDelay = 50;
+
+ state->m_qamPgaCfg = 140;
+ state->m_qamPreSawCfg.reference = 4;
+ state->m_qamPreSawCfg.usePreSaw = false;
+
+ state->m_OperationMode = OM_NONE;
+ state->m_DrxkState = DRXK_UNINITIALIZED;
+
+ /* MPEG output configuration */
+ state->m_enableMPEGOutput = true; /* If TRUE; enable MPEG ouput */
+ state->m_insertRSByte = false; /* If TRUE; insert RS byte */
+ state->m_invertDATA = false; /* If TRUE; invert DATA signals */
+ state->m_invertERR = false; /* If TRUE; invert ERR signal */
+ state->m_invertSTR = false; /* If TRUE; invert STR signals */
+ state->m_invertVAL = false; /* If TRUE; invert VAL signals */
+ state->m_invertCLK = (ulInvertTSClock != 0); /* If TRUE; invert CLK signals */
+
+ /* If TRUE; static MPEG clockrate will be used;
+ otherwise clockrate will adapt to the bitrate of the TS */
+
+ state->m_DVBTBitrate = ulDVBTBitrate;
+ state->m_DVBCBitrate = ulDVBCBitrate;
+
+ state->m_TSDataStrength = (ulTSDataStrength & 0x07);
+
+ /* Maximum bitrate in b/s in case static clockrate is selected */
+ state->m_mpegTsStaticBitrate = 19392658;
+ state->m_disableTEIhandling = false;
+
+ if (ulInsertRSByte)
+ state->m_insertRSByte = true;
+
+ state->m_MpegLockTimeOut = DEFAULT_DRXK_MPEG_LOCK_TIMEOUT;
+ if (ulMpegLockTimeOut < 10000)
+ state->m_MpegLockTimeOut = ulMpegLockTimeOut;
+ state->m_DemodLockTimeOut = DEFAULT_DRXK_DEMOD_LOCK_TIMEOUT;
+ if (ulDemodLockTimeOut < 10000)
+ state->m_DemodLockTimeOut = ulDemodLockTimeOut;
+
+ /* QAM defaults */
+ state->m_Constellation = DRX_CONSTELLATION_AUTO;
+ state->m_qamInterleaveMode = DRXK_QAM_I12_J17;
+ state->m_fecRsPlen = 204 * 8; /* fecRsPlen annex A */
+ state->m_fecRsPrescale = 1;
+
+ state->m_sqiSpeed = DRXK_DVBT_SQI_SPEED_MEDIUM;
+ state->m_agcFastClipCtrlDelay = 0;
+
+ state->m_GPIOCfg = (ulGPIOCfg);
+
+ state->m_bPowerDown = false;
+ state->m_currentPowerMode = DRX_POWER_DOWN;
+
+ state->m_rfmirror = (ulRfMirror == 0);
+ state->m_IfAgcPol = false;
+ return 0;
+}
+
+static int DRXX_Open(struct drxk_state *state)
+{
+ int status = 0;
+ u32 jtag = 0;
+ u16 bid = 0;
+ u16 key = 0;
+
+ dprintk(1, "\n");
+ /* stop lock indicator process */
+ status = write16(state, SCU_RAM_GPIO__A, SCU_RAM_GPIO_HW_LOCK_IND_DISABLE);
+ if (status < 0)
+ goto error;
+ /* Check device id */
+ status = read16(state, SIO_TOP_COMM_KEY__A, &key);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_TOP_COMM_KEY__A, SIO_TOP_COMM_KEY_KEY);
+ if (status < 0)
+ goto error;
+ status = read32(state, SIO_TOP_JTAGID_LO__A, &jtag);
+ if (status < 0)
+ goto error;
+ status = read16(state, SIO_PDR_UIO_IN_HI__A, &bid);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_TOP_COMM_KEY__A, key);
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int GetDeviceCapabilities(struct drxk_state *state)
+{
+ u16 sioPdrOhwCfg = 0;
+ u32 sioTopJtagidLo = 0;
+ int status;
+ const char *spin = "";
+
+ dprintk(1, "\n");
+
+ /* driver 0.9.0 */
+ /* stop lock indicator process */
+ status = write16(state, SCU_RAM_GPIO__A, SCU_RAM_GPIO_HW_LOCK_IND_DISABLE);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_TOP_COMM_KEY__A, 0xFABA);
+ if (status < 0)
+ goto error;
+ status = read16(state, SIO_PDR_OHW_CFG__A, &sioPdrOhwCfg);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_TOP_COMM_KEY__A, 0x0000);
+ if (status < 0)
+ goto error;
+
+ switch ((sioPdrOhwCfg & SIO_PDR_OHW_CFG_FREF_SEL__M)) {
+ case 0:
+ /* ignore (bypass ?) */
+ break;
+ case 1:
+ /* 27 MHz */
+ state->m_oscClockFreq = 27000;
+ break;
+ case 2:
+ /* 20.25 MHz */
+ state->m_oscClockFreq = 20250;
+ break;
+ case 3:
+ /* 4 MHz */
+ state->m_oscClockFreq = 20250;
+ break;
+ default:
+ printk(KERN_ERR "drxk: Clock Frequency is unkonwn\n");
+ return -EINVAL;
+ }
+ /*
+ Determine device capabilities
+ Based on pinning v14
+ */
+ status = read32(state, SIO_TOP_JTAGID_LO__A, &sioTopJtagidLo);
+ if (status < 0)
+ goto error;
+
+printk(KERN_ERR "drxk: status = 0x%08x\n", sioTopJtagidLo);
+
+ /* driver 0.9.0 */
+ switch ((sioTopJtagidLo >> 29) & 0xF) {
+ case 0:
+ state->m_deviceSpin = DRXK_SPIN_A1;
+ spin = "A1";
+ break;
+ case 2:
+ state->m_deviceSpin = DRXK_SPIN_A2;
+ spin = "A2";
+ break;
+ case 3:
+ state->m_deviceSpin = DRXK_SPIN_A3;
+ spin = "A3";
+ break;
+ default:
+ state->m_deviceSpin = DRXK_SPIN_UNKNOWN;
+ status = -EINVAL;
+ printk(KERN_ERR "drxk: Spin %d unknown\n",
+ (sioTopJtagidLo >> 29) & 0xF);
+ goto error2;
+ }
+ switch ((sioTopJtagidLo >> 12) & 0xFF) {
+ case 0x13:
+ /* typeId = DRX3913K_TYPE_ID */
+ state->m_hasLNA = false;
+ state->m_hasOOB = false;
+ state->m_hasATV = false;
+ state->m_hasAudio = false;
+ state->m_hasDVBT = true;
+ state->m_hasDVBC = true;
+ state->m_hasSAWSW = true;
+ state->m_hasGPIO2 = false;
+ state->m_hasGPIO1 = false;
+ state->m_hasIRQN = false;
+ break;
+ case 0x15:
+ /* typeId = DRX3915K_TYPE_ID */
+ state->m_hasLNA = false;
+ state->m_hasOOB = false;
+ state->m_hasATV = true;
+ state->m_hasAudio = false;
+ state->m_hasDVBT = true;
+ state->m_hasDVBC = false;
+ state->m_hasSAWSW = true;
+ state->m_hasGPIO2 = true;
+ state->m_hasGPIO1 = true;
+ state->m_hasIRQN = false;
+ break;
+ case 0x16:
+ /* typeId = DRX3916K_TYPE_ID */
+ state->m_hasLNA = false;
+ state->m_hasOOB = false;
+ state->m_hasATV = true;
+ state->m_hasAudio = false;
+ state->m_hasDVBT = true;
+ state->m_hasDVBC = false;
+ state->m_hasSAWSW = true;
+ state->m_hasGPIO2 = true;
+ state->m_hasGPIO1 = true;
+ state->m_hasIRQN = false;
+ break;
+ case 0x18:
+ /* typeId = DRX3918K_TYPE_ID */
+ state->m_hasLNA = false;
+ state->m_hasOOB = false;
+ state->m_hasATV = true;
+ state->m_hasAudio = true;
+ state->m_hasDVBT = true;
+ state->m_hasDVBC = false;
+ state->m_hasSAWSW = true;
+ state->m_hasGPIO2 = true;
+ state->m_hasGPIO1 = true;
+ state->m_hasIRQN = false;
+ break;
+ case 0x21:
+ /* typeId = DRX3921K_TYPE_ID */
+ state->m_hasLNA = false;
+ state->m_hasOOB = false;
+ state->m_hasATV = true;
+ state->m_hasAudio = true;
+ state->m_hasDVBT = true;
+ state->m_hasDVBC = true;
+ state->m_hasSAWSW = true;
+ state->m_hasGPIO2 = true;
+ state->m_hasGPIO1 = true;
+ state->m_hasIRQN = false;
+ break;
+ case 0x23:
+ /* typeId = DRX3923K_TYPE_ID */
+ state->m_hasLNA = false;
+ state->m_hasOOB = false;
+ state->m_hasATV = true;
+ state->m_hasAudio = true;
+ state->m_hasDVBT = true;
+ state->m_hasDVBC = true;
+ state->m_hasSAWSW = true;
+ state->m_hasGPIO2 = true;
+ state->m_hasGPIO1 = true;
+ state->m_hasIRQN = false;
+ break;
+ case 0x25:
+ /* typeId = DRX3925K_TYPE_ID */
+ state->m_hasLNA = false;
+ state->m_hasOOB = false;
+ state->m_hasATV = true;
+ state->m_hasAudio = true;
+ state->m_hasDVBT = true;
+ state->m_hasDVBC = true;
+ state->m_hasSAWSW = true;
+ state->m_hasGPIO2 = true;
+ state->m_hasGPIO1 = true;
+ state->m_hasIRQN = false;
+ break;
+ case 0x26:
+ /* typeId = DRX3926K_TYPE_ID */
+ state->m_hasLNA = false;
+ state->m_hasOOB = false;
+ state->m_hasATV = true;
+ state->m_hasAudio = false;
+ state->m_hasDVBT = true;
+ state->m_hasDVBC = true;
+ state->m_hasSAWSW = true;
+ state->m_hasGPIO2 = true;
+ state->m_hasGPIO1 = true;
+ state->m_hasIRQN = false;
+ break;
+ default:
+ printk(KERN_ERR "drxk: DeviceID 0x%02x not supported\n",
+ ((sioTopJtagidLo >> 12) & 0xFF));
+ status = -EINVAL;
+ goto error2;
+ }
+
+ printk(KERN_INFO
+ "drxk: detected a drx-39%02xk, spin %s, xtal %d.%03d MHz\n",
+ ((sioTopJtagidLo >> 12) & 0xFF), spin,
+ state->m_oscClockFreq / 1000,
+ state->m_oscClockFreq % 1000);
+
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+
+error2:
+ return status;
+}
+
+static int HI_Command(struct drxk_state *state, u16 cmd, u16 *pResult)
+{
+ int status;
+ bool powerdown_cmd;
+
+ dprintk(1, "\n");
+
+ /* Write command */
+ status = write16(state, SIO_HI_RA_RAM_CMD__A, cmd);
+ if (status < 0)
+ goto error;
+ if (cmd == SIO_HI_RA_RAM_CMD_RESET)
+ msleep(1);
+
+ powerdown_cmd =
+ (bool) ((cmd == SIO_HI_RA_RAM_CMD_CONFIG) &&
+ ((state->m_HICfgCtrl) &
+ SIO_HI_RA_RAM_PAR_5_CFG_SLEEP__M) ==
+ SIO_HI_RA_RAM_PAR_5_CFG_SLEEP_ZZZ);
+ if (powerdown_cmd == false) {
+ /* Wait until command rdy */
+ u32 retryCount = 0;
+ u16 waitCmd;
+
+ do {
+ msleep(1);
+ retryCount += 1;
+ status = read16(state, SIO_HI_RA_RAM_CMD__A,
+ &waitCmd);
+ } while ((status < 0) && (retryCount < DRXK_MAX_RETRIES)
+ && (waitCmd != 0));
+ if (status < 0)
+ goto error;
+ status = read16(state, SIO_HI_RA_RAM_RES__A, pResult);
+ }
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+static int HI_CfgCommand(struct drxk_state *state)
+{
+ int status;
+
+ dprintk(1, "\n");
+
+ mutex_lock(&state->mutex);
+
+ status = write16(state, SIO_HI_RA_RAM_PAR_6__A, state->m_HICfgTimeout);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_HI_RA_RAM_PAR_5__A, state->m_HICfgCtrl);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_HI_RA_RAM_PAR_4__A, state->m_HICfgWakeUpKey);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_HI_RA_RAM_PAR_3__A, state->m_HICfgBridgeDelay);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_HI_RA_RAM_PAR_2__A, state->m_HICfgTimingDiv);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_HI_RA_RAM_PAR_1__A, SIO_HI_RA_RAM_PAR_1_PAR1_SEC_KEY);
+ if (status < 0)
+ goto error;
+ status = HI_Command(state, SIO_HI_RA_RAM_CMD_CONFIG, 0);
+ if (status < 0)
+ goto error;
+
+ state->m_HICfgCtrl &= ~SIO_HI_RA_RAM_PAR_5_CFG_SLEEP_ZZZ;
+error:
+ mutex_unlock(&state->mutex);
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int InitHI(struct drxk_state *state)
+{
+ dprintk(1, "\n");
+
+ state->m_HICfgWakeUpKey = (state->demod_address << 1);
+ state->m_HICfgTimeout = 0x96FF;
+ /* port/bridge/power down ctrl */
+ state->m_HICfgCtrl = SIO_HI_RA_RAM_PAR_5_CFG_SLV0_SLAVE;
+
+ return HI_CfgCommand(state);
+}
+
+static int MPEGTSConfigurePins(struct drxk_state *state, bool mpegEnable)
+{
+ int status = -1;
+ u16 sioPdrMclkCfg = 0;
+ u16 sioPdrMdxCfg = 0;
+ u16 err_cfg = 0;
+
+ dprintk(1, ": mpeg %s, %s mode\n",
+ mpegEnable ? "enable" : "disable",
+ state->m_enableParallel ? "parallel" : "serial");
+
+ /* stop lock indicator process */
+ status = write16(state, SCU_RAM_GPIO__A, SCU_RAM_GPIO_HW_LOCK_IND_DISABLE);
+ if (status < 0)
+ goto error;
+
+ /* MPEG TS pad configuration */
+ status = write16(state, SIO_TOP_COMM_KEY__A, 0xFABA);
+ if (status < 0)
+ goto error;
+
+ if (mpegEnable == false) {
+ /* Set MPEG TS pads to inputmode */
+ status = write16(state, SIO_PDR_MSTRT_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MERR_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MCLK_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MVAL_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD0_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD1_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD2_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD3_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD4_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD5_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD6_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD7_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ } else {
+ /* Enable MPEG output */
+ sioPdrMdxCfg =
+ ((state->m_TSDataStrength <<
+ SIO_PDR_MD0_CFG_DRIVE__B) | 0x0003);
+ sioPdrMclkCfg = ((state->m_TSClockkStrength <<
+ SIO_PDR_MCLK_CFG_DRIVE__B) |
+ 0x0003);
+
+ status = write16(state, SIO_PDR_MSTRT_CFG__A, sioPdrMdxCfg);
+ if (status < 0)
+ goto error;
+
+ if (state->enable_merr_cfg)
+ err_cfg = sioPdrMdxCfg;
+
+ status = write16(state, SIO_PDR_MERR_CFG__A, err_cfg);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MVAL_CFG__A, err_cfg);
+ if (status < 0)
+ goto error;
+
+ if (state->m_enableParallel == true) {
+ /* paralel -> enable MD1 to MD7 */
+ status = write16(state, SIO_PDR_MD1_CFG__A, sioPdrMdxCfg);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD2_CFG__A, sioPdrMdxCfg);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD3_CFG__A, sioPdrMdxCfg);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD4_CFG__A, sioPdrMdxCfg);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD5_CFG__A, sioPdrMdxCfg);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD6_CFG__A, sioPdrMdxCfg);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD7_CFG__A, sioPdrMdxCfg);
+ if (status < 0)
+ goto error;
+ } else {
+ sioPdrMdxCfg = ((state->m_TSDataStrength <<
+ SIO_PDR_MD0_CFG_DRIVE__B)
+ | 0x0003);
+ /* serial -> disable MD1 to MD7 */
+ status = write16(state, SIO_PDR_MD1_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD2_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD3_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD4_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD5_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD6_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD7_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ }
+ status = write16(state, SIO_PDR_MCLK_CFG__A, sioPdrMclkCfg);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_PDR_MD0_CFG__A, sioPdrMdxCfg);
+ if (status < 0)
+ goto error;
+ }
+ /* Enable MB output over MPEG pads and ctl input */
+ status = write16(state, SIO_PDR_MON_CFG__A, 0x0000);
+ if (status < 0)
+ goto error;
+ /* Write nomagic word to enable pdr reg write */
+ status = write16(state, SIO_TOP_COMM_KEY__A, 0x0000);
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int MPEGTSDisable(struct drxk_state *state)
+{
+ dprintk(1, "\n");
+
+ return MPEGTSConfigurePins(state, false);
+}
+
+static int BLChainCmd(struct drxk_state *state,
+ u16 romOffset, u16 nrOfElements, u32 timeOut)
+{
+ u16 blStatus = 0;
+ int status;
+ unsigned long end;
+
+ dprintk(1, "\n");
+ mutex_lock(&state->mutex);
+ status = write16(state, SIO_BL_MODE__A, SIO_BL_MODE_CHAIN);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_BL_CHAIN_ADDR__A, romOffset);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_BL_CHAIN_LEN__A, nrOfElements);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_BL_ENABLE__A, SIO_BL_ENABLE_ON);
+ if (status < 0)
+ goto error;
+
+ end = jiffies + msecs_to_jiffies(timeOut);
+ do {
+ msleep(1);
+ status = read16(state, SIO_BL_STATUS__A, &blStatus);
+ if (status < 0)
+ goto error;
+ } while ((blStatus == 0x1) &&
+ ((time_is_after_jiffies(end))));
+
+ if (blStatus == 0x1) {
+ printk(KERN_ERR "drxk: SIO not ready\n");
+ status = -EINVAL;
+ goto error2;
+ }
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+error2:
+ mutex_unlock(&state->mutex);
+ return status;
+}
+
+
+static int DownloadMicrocode(struct drxk_state *state,
+ const u8 pMCImage[], u32 Length)
+{
+ const u8 *pSrc = pMCImage;
+ u16 Flags;
+ u16 Drain;
+ u32 Address;
+ u16 nBlocks;
+ u16 BlockSize;
+ u16 BlockCRC;
+ u32 offset = 0;
+ u32 i;
+ int status = 0;
+
+ dprintk(1, "\n");
+
+ /* down the drain (we don care about MAGIC_WORD) */
+ Drain = (pSrc[0] << 8) | pSrc[1];
+ pSrc += sizeof(u16);
+ offset += sizeof(u16);
+ nBlocks = (pSrc[0] << 8) | pSrc[1];
+ pSrc += sizeof(u16);
+ offset += sizeof(u16);
+
+ for (i = 0; i < nBlocks; i += 1) {
+ Address = (pSrc[0] << 24) | (pSrc[1] << 16) |
+ (pSrc[2] << 8) | pSrc[3];
+ pSrc += sizeof(u32);
+ offset += sizeof(u32);
+
+ BlockSize = ((pSrc[0] << 8) | pSrc[1]) * sizeof(u16);
+ pSrc += sizeof(u16);
+ offset += sizeof(u16);
+
+ Flags = (pSrc[0] << 8) | pSrc[1];
+ pSrc += sizeof(u16);
+ offset += sizeof(u16);
+
+ BlockCRC = (pSrc[0] << 8) | pSrc[1];
+ pSrc += sizeof(u16);
+ offset += sizeof(u16);
+
+ if (offset + BlockSize > Length) {
+ printk(KERN_ERR "drxk: Firmware is corrupted.\n");
+ return -EINVAL;
+ }
+
+ status = write_block(state, Address, BlockSize, pSrc);
+ if (status < 0) {
+ printk(KERN_ERR "drxk: Error %d while loading firmware\n", status);
+ break;
+ }
+ pSrc += BlockSize;
+ offset += BlockSize;
+ }
+ return status;
+}
+
+static int DVBTEnableOFDMTokenRing(struct drxk_state *state, bool enable)
+{
+ int status;
+ u16 data = 0;
+ u16 desiredCtrl = SIO_OFDM_SH_OFDM_RING_ENABLE_ON;
+ u16 desiredStatus = SIO_OFDM_SH_OFDM_RING_STATUS_ENABLED;
+ unsigned long end;
+
+ dprintk(1, "\n");
+
+ if (enable == false) {
+ desiredCtrl = SIO_OFDM_SH_OFDM_RING_ENABLE_OFF;
+ desiredStatus = SIO_OFDM_SH_OFDM_RING_STATUS_DOWN;
+ }
+
+ status = read16(state, SIO_OFDM_SH_OFDM_RING_STATUS__A, &data);
+ if (status >= 0 && data == desiredStatus) {
+ /* tokenring already has correct status */
+ return status;
+ }
+ /* Disable/enable dvbt tokenring bridge */
+ status = write16(state, SIO_OFDM_SH_OFDM_RING_ENABLE__A, desiredCtrl);
+
+ end = jiffies + msecs_to_jiffies(DRXK_OFDM_TR_SHUTDOWN_TIMEOUT);
+ do {
+ status = read16(state, SIO_OFDM_SH_OFDM_RING_STATUS__A, &data);
+ if ((status >= 0 && data == desiredStatus) || time_is_after_jiffies(end))
+ break;
+ msleep(1);
+ } while (1);
+ if (data != desiredStatus) {
+ printk(KERN_ERR "drxk: SIO not ready\n");
+ return -EINVAL;
+ }
+ return status;
+}
+
+static int MPEGTSStop(struct drxk_state *state)
+{
+ int status = 0;
+ u16 fecOcSncMode = 0;
+ u16 fecOcIprMode = 0;
+
+ dprintk(1, "\n");
+
+ /* Gracefull shutdown (byte boundaries) */
+ status = read16(state, FEC_OC_SNC_MODE__A, &fecOcSncMode);
+ if (status < 0)
+ goto error;
+ fecOcSncMode |= FEC_OC_SNC_MODE_SHUTDOWN__M;
+ status = write16(state, FEC_OC_SNC_MODE__A, fecOcSncMode);
+ if (status < 0)
+ goto error;
+
+ /* Suppress MCLK during absence of data */
+ status = read16(state, FEC_OC_IPR_MODE__A, &fecOcIprMode);
+ if (status < 0)
+ goto error;
+ fecOcIprMode |= FEC_OC_IPR_MODE_MCLK_DIS_DAT_ABS__M;
+ status = write16(state, FEC_OC_IPR_MODE__A, fecOcIprMode);
+
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+static int scu_command(struct drxk_state *state,
+ u16 cmd, u8 parameterLen,
+ u16 *parameter, u8 resultLen, u16 *result)
+{
+#if (SCU_RAM_PARAM_0__A - SCU_RAM_PARAM_15__A) != 15
+#error DRXK register mapping no longer compatible with this routine!
+#endif
+ u16 curCmd = 0;
+ int status = -EINVAL;
+ unsigned long end;
+ u8 buffer[34];
+ int cnt = 0, ii;
+ const char *p;
+ char errname[30];
+
+ dprintk(1, "\n");
+
+ if ((cmd == 0) || ((parameterLen > 0) && (parameter == NULL)) ||
+ ((resultLen > 0) && (result == NULL))) {
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+ }
+
+ mutex_lock(&state->mutex);
+
+ /* assume that the command register is ready
+ since it is checked afterwards */
+ for (ii = parameterLen - 1; ii >= 0; ii -= 1) {
+ buffer[cnt++] = (parameter[ii] & 0xFF);
+ buffer[cnt++] = ((parameter[ii] >> 8) & 0xFF);
+ }
+ buffer[cnt++] = (cmd & 0xFF);
+ buffer[cnt++] = ((cmd >> 8) & 0xFF);
+
+ write_block(state, SCU_RAM_PARAM_0__A -
+ (parameterLen - 1), cnt, buffer);
+ /* Wait until SCU has processed command */
+ end = jiffies + msecs_to_jiffies(DRXK_MAX_WAITTIME);
+ do {
+ msleep(1);
+ status = read16(state, SCU_RAM_COMMAND__A, &curCmd);
+ if (status < 0)
+ goto error;
+ } while (!(curCmd == DRX_SCU_READY) && (time_is_after_jiffies(end)));
+ if (curCmd != DRX_SCU_READY) {
+ printk(KERN_ERR "drxk: SCU not ready\n");
+ status = -EIO;
+ goto error2;
+ }
+ /* read results */
+ if ((resultLen > 0) && (result != NULL)) {
+ s16 err;
+ int ii;
+
+ for (ii = resultLen - 1; ii >= 0; ii -= 1) {
+ status = read16(state, SCU_RAM_PARAM_0__A - ii, &result[ii]);
+ if (status < 0)
+ goto error;
+ }
+
+ /* Check if an error was reported by SCU */
+ err = (s16)result[0];
+ if (err >= 0)
+ goto error;
+
+ /* check for the known error codes */
+ switch (err) {
+ case SCU_RESULT_UNKCMD:
+ p = "SCU_RESULT_UNKCMD";
+ break;
+ case SCU_RESULT_UNKSTD:
+ p = "SCU_RESULT_UNKSTD";
+ break;
+ case SCU_RESULT_SIZE:
+ p = "SCU_RESULT_SIZE";
+ break;
+ case SCU_RESULT_INVPAR:
+ p = "SCU_RESULT_INVPAR";
+ break;
+ default: /* Other negative values are errors */
+ sprintf(errname, "ERROR: %d\n", err);
+ p = errname;
+ }
+ printk(KERN_ERR "drxk: %s while sending cmd 0x%04x with params:", p, cmd);
+ print_hex_dump_bytes("drxk: ", DUMP_PREFIX_NONE, buffer, cnt);
+ status = -EINVAL;
+ goto error2;
+ }
+
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+error2:
+ mutex_unlock(&state->mutex);
+ return status;
+}
+
+static int SetIqmAf(struct drxk_state *state, bool active)
+{
+ u16 data = 0;
+ int status;
+
+ dprintk(1, "\n");
+
+ /* Configure IQM */
+ status = read16(state, IQM_AF_STDBY__A, &data);
+ if (status < 0)
+ goto error;
+
+ if (!active) {
+ data |= (IQM_AF_STDBY_STDBY_ADC_STANDBY
+ | IQM_AF_STDBY_STDBY_AMP_STANDBY
+ | IQM_AF_STDBY_STDBY_PD_STANDBY
+ | IQM_AF_STDBY_STDBY_TAGC_IF_STANDBY
+ | IQM_AF_STDBY_STDBY_TAGC_RF_STANDBY);
+ } else {
+ data &= ((~IQM_AF_STDBY_STDBY_ADC_STANDBY)
+ & (~IQM_AF_STDBY_STDBY_AMP_STANDBY)
+ & (~IQM_AF_STDBY_STDBY_PD_STANDBY)
+ & (~IQM_AF_STDBY_STDBY_TAGC_IF_STANDBY)
+ & (~IQM_AF_STDBY_STDBY_TAGC_RF_STANDBY)
+ );
+ }
+ status = write16(state, IQM_AF_STDBY__A, data);
+
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int CtrlPowerMode(struct drxk_state *state, enum DRXPowerMode *mode)
+{
+ int status = 0;
+ u16 sioCcPwdMode = 0;
+
+ dprintk(1, "\n");
+
+ /* Check arguments */
+ if (mode == NULL)
+ return -EINVAL;
+
+ switch (*mode) {
+ case DRX_POWER_UP:
+ sioCcPwdMode = SIO_CC_PWD_MODE_LEVEL_NONE;
+ break;
+ case DRXK_POWER_DOWN_OFDM:
+ sioCcPwdMode = SIO_CC_PWD_MODE_LEVEL_OFDM;
+ break;
+ case DRXK_POWER_DOWN_CORE:
+ sioCcPwdMode = SIO_CC_PWD_MODE_LEVEL_CLOCK;
+ break;
+ case DRXK_POWER_DOWN_PLL:
+ sioCcPwdMode = SIO_CC_PWD_MODE_LEVEL_PLL;
+ break;
+ case DRX_POWER_DOWN:
+ sioCcPwdMode = SIO_CC_PWD_MODE_LEVEL_OSC;
+ break;
+ default:
+ /* Unknow sleep mode */
+ return -EINVAL;
+ }
+
+ /* If already in requested power mode, do nothing */
+ if (state->m_currentPowerMode == *mode)
+ return 0;
+
+ /* For next steps make sure to start from DRX_POWER_UP mode */
+ if (state->m_currentPowerMode != DRX_POWER_UP) {
+ status = PowerUpDevice(state);
+ if (status < 0)
+ goto error;
+ status = DVBTEnableOFDMTokenRing(state, true);
+ if (status < 0)
+ goto error;
+ }
+
+ if (*mode == DRX_POWER_UP) {
+ /* Restore analog & pin configuartion */
+ } else {
+ /* Power down to requested mode */
+ /* Backup some register settings */
+ /* Set pins with possible pull-ups connected
+ to them in input mode */
+ /* Analog power down */
+ /* ADC power down */
+ /* Power down device */
+ /* stop all comm_exec */
+ /* Stop and power down previous standard */
+ switch (state->m_OperationMode) {
+ case OM_DVBT:
+ status = MPEGTSStop(state);
+ if (status < 0)
+ goto error;
+ status = PowerDownDVBT(state, false);
+ if (status < 0)
+ goto error;
+ break;
+ case OM_QAM_ITU_A:
+ case OM_QAM_ITU_C:
+ status = MPEGTSStop(state);
+ if (status < 0)
+ goto error;
+ status = PowerDownQAM(state);
+ if (status < 0)
+ goto error;
+ break;
+ default:
+ break;
+ }
+ status = DVBTEnableOFDMTokenRing(state, false);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_CC_PWD_MODE__A, sioCcPwdMode);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_CC_UPDATE__A, SIO_CC_UPDATE_KEY);
+ if (status < 0)
+ goto error;
+
+ if (*mode != DRXK_POWER_DOWN_OFDM) {
+ state->m_HICfgCtrl |=
+ SIO_HI_RA_RAM_PAR_5_CFG_SLEEP_ZZZ;
+ status = HI_CfgCommand(state);
+ if (status < 0)
+ goto error;
+ }
+ }
+ state->m_currentPowerMode = *mode;
+
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+static int PowerDownDVBT(struct drxk_state *state, bool setPowerMode)
+{
+ enum DRXPowerMode powerMode = DRXK_POWER_DOWN_OFDM;
+ u16 cmdResult = 0;
+ u16 data = 0;
+ int status;
+
+ dprintk(1, "\n");
+
+ status = read16(state, SCU_COMM_EXEC__A, &data);
+ if (status < 0)
+ goto error;
+ if (data == SCU_COMM_EXEC_ACTIVE) {
+ /* Send OFDM stop command */
+ status = scu_command(state, SCU_RAM_COMMAND_STANDARD_OFDM | SCU_RAM_COMMAND_CMD_DEMOD_STOP, 0, NULL, 1, &cmdResult);
+ if (status < 0)
+ goto error;
+ /* Send OFDM reset command */
+ status = scu_command(state, SCU_RAM_COMMAND_STANDARD_OFDM | SCU_RAM_COMMAND_CMD_DEMOD_RESET, 0, NULL, 1, &cmdResult);
+ if (status < 0)
+ goto error;
+ }
+
+ /* Reset datapath for OFDM, processors first */
+ status = write16(state, OFDM_SC_COMM_EXEC__A, OFDM_SC_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_LC_COMM_EXEC__A, OFDM_LC_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_COMM_EXEC__A, IQM_COMM_EXEC_B_STOP);
+ if (status < 0)
+ goto error;
+
+ /* powerdown AFE */
+ status = SetIqmAf(state, false);
+ if (status < 0)
+ goto error;
+
+ /* powerdown to OFDM mode */
+ if (setPowerMode) {
+ status = CtrlPowerMode(state, &powerMode);
+ if (status < 0)
+ goto error;
+ }
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int SetOperationMode(struct drxk_state *state,
+ enum OperationMode oMode)
+{
+ int status = 0;
+
+ dprintk(1, "\n");
+ /*
+ Stop and power down previous standard
+ TODO investigate total power down instead of partial
+ power down depending on "previous" standard.
+ */
+
+ /* disable HW lock indicator */
+ status = write16(state, SCU_RAM_GPIO__A, SCU_RAM_GPIO_HW_LOCK_IND_DISABLE);
+ if (status < 0)
+ goto error;
+
+ /* Device is already at the required mode */
+ if (state->m_OperationMode == oMode)
+ return 0;
+
+ switch (state->m_OperationMode) {
+ /* OM_NONE was added for start up */
+ case OM_NONE:
+ break;
+ case OM_DVBT:
+ status = MPEGTSStop(state);
+ if (status < 0)
+ goto error;
+ status = PowerDownDVBT(state, true);
+ if (status < 0)
+ goto error;
+ state->m_OperationMode = OM_NONE;
+ break;
+ case OM_QAM_ITU_A: /* fallthrough */
+ case OM_QAM_ITU_C:
+ status = MPEGTSStop(state);
+ if (status < 0)
+ goto error;
+ status = PowerDownQAM(state);
+ if (status < 0)
+ goto error;
+ state->m_OperationMode = OM_NONE;
+ break;
+ case OM_QAM_ITU_B:
+ default:
+ status = -EINVAL;
+ goto error;
+ }
+
+ /*
+ Power up new standard
+ */
+ switch (oMode) {
+ case OM_DVBT:
+ dprintk(1, ": DVB-T\n");
+ state->m_OperationMode = oMode;
+ status = SetDVBTStandard(state, oMode);
+ if (status < 0)
+ goto error;
+ break;
+ case OM_QAM_ITU_A: /* fallthrough */
+ case OM_QAM_ITU_C:
+ dprintk(1, ": DVB-C Annex %c\n",
+ (state->m_OperationMode == OM_QAM_ITU_A) ? 'A' : 'C');
+ state->m_OperationMode = oMode;
+ status = SetQAMStandard(state, oMode);
+ if (status < 0)
+ goto error;
+ break;
+ case OM_QAM_ITU_B:
+ default:
+ status = -EINVAL;
+ }
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int Start(struct drxk_state *state, s32 offsetFreq,
+ s32 IntermediateFrequency)
+{
+ int status = -EINVAL;
+
+ u16 IFreqkHz;
+ s32 OffsetkHz = offsetFreq / 1000;
+
+ dprintk(1, "\n");
+ if (state->m_DrxkState != DRXK_STOPPED &&
+ state->m_DrxkState != DRXK_DTV_STARTED)
+ goto error;
+
+ state->m_bMirrorFreqSpect = (state->props.inversion == INVERSION_ON);
+
+ if (IntermediateFrequency < 0) {
+ state->m_bMirrorFreqSpect = !state->m_bMirrorFreqSpect;
+ IntermediateFrequency = -IntermediateFrequency;
+ }
+
+ switch (state->m_OperationMode) {
+ case OM_QAM_ITU_A:
+ case OM_QAM_ITU_C:
+ IFreqkHz = (IntermediateFrequency / 1000);
+ status = SetQAM(state, IFreqkHz, OffsetkHz);
+ if (status < 0)
+ goto error;
+ state->m_DrxkState = DRXK_DTV_STARTED;
+ break;
+ case OM_DVBT:
+ IFreqkHz = (IntermediateFrequency / 1000);
+ status = MPEGTSStop(state);
+ if (status < 0)
+ goto error;
+ status = SetDVBT(state, IFreqkHz, OffsetkHz);
+ if (status < 0)
+ goto error;
+ status = DVBTStart(state);
+ if (status < 0)
+ goto error;
+ state->m_DrxkState = DRXK_DTV_STARTED;
+ break;
+ default:
+ break;
+ }
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int ShutDown(struct drxk_state *state)
+{
+ dprintk(1, "\n");
+
+ MPEGTSStop(state);
+ return 0;
+}
+
+static int GetLockStatus(struct drxk_state *state, u32 *pLockStatus,
+ u32 Time)
+{
+ int status = -EINVAL;
+
+ dprintk(1, "\n");
+
+ if (pLockStatus == NULL)
+ goto error;
+
+ *pLockStatus = NOT_LOCKED;
+
+ /* define the SCU command code */
+ switch (state->m_OperationMode) {
+ case OM_QAM_ITU_A:
+ case OM_QAM_ITU_B:
+ case OM_QAM_ITU_C:
+ status = GetQAMLockStatus(state, pLockStatus);
+ break;
+ case OM_DVBT:
+ status = GetDVBTLockStatus(state, pLockStatus);
+ break;
+ default:
+ break;
+ }
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int MPEGTSStart(struct drxk_state *state)
+{
+ int status;
+
+ u16 fecOcSncMode = 0;
+
+ /* Allow OC to sync again */
+ status = read16(state, FEC_OC_SNC_MODE__A, &fecOcSncMode);
+ if (status < 0)
+ goto error;
+ fecOcSncMode &= ~FEC_OC_SNC_MODE_SHUTDOWN__M;
+ status = write16(state, FEC_OC_SNC_MODE__A, fecOcSncMode);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_SNC_UNLOCK__A, 1);
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int MPEGTSDtoInit(struct drxk_state *state)
+{
+ int status;
+
+ dprintk(1, "\n");
+
+ /* Rate integration settings */
+ status = write16(state, FEC_OC_RCN_CTL_STEP_LO__A, 0x0000);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_RCN_CTL_STEP_HI__A, 0x000C);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_RCN_GAIN__A, 0x000A);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_AVR_PARM_A__A, 0x0008);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_AVR_PARM_B__A, 0x0006);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_TMD_HI_MARGIN__A, 0x0680);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_TMD_LO_MARGIN__A, 0x0080);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_TMD_COUNT__A, 0x03F4);
+ if (status < 0)
+ goto error;
+
+ /* Additional configuration */
+ status = write16(state, FEC_OC_OCR_INVERT__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_SNC_LWM__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_SNC_HWM__A, 12);
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+static int MPEGTSDtoSetup(struct drxk_state *state,
+ enum OperationMode oMode)
+{
+ int status;
+
+ u16 fecOcRegMode = 0; /* FEC_OC_MODE register value */
+ u16 fecOcRegIprMode = 0; /* FEC_OC_IPR_MODE register value */
+ u16 fecOcDtoMode = 0; /* FEC_OC_IPR_INVERT register value */
+ u16 fecOcFctMode = 0; /* FEC_OC_IPR_INVERT register value */
+ u16 fecOcDtoPeriod = 2; /* FEC_OC_IPR_INVERT register value */
+ u16 fecOcDtoBurstLen = 188; /* FEC_OC_IPR_INVERT register value */
+ u32 fecOcRcnCtlRate = 0; /* FEC_OC_IPR_INVERT register value */
+ u16 fecOcTmdMode = 0;
+ u16 fecOcTmdIntUpdRate = 0;
+ u32 maxBitRate = 0;
+ bool staticCLK = false;
+
+ dprintk(1, "\n");
+
+ /* Check insertion of the Reed-Solomon parity bytes */
+ status = read16(state, FEC_OC_MODE__A, &fecOcRegMode);
+ if (status < 0)
+ goto error;
+ status = read16(state, FEC_OC_IPR_MODE__A, &fecOcRegIprMode);
+ if (status < 0)
+ goto error;
+ fecOcRegMode &= (~FEC_OC_MODE_PARITY__M);
+ fecOcRegIprMode &= (~FEC_OC_IPR_MODE_MVAL_DIS_PAR__M);
+ if (state->m_insertRSByte == true) {
+ /* enable parity symbol forward */
+ fecOcRegMode |= FEC_OC_MODE_PARITY__M;
+ /* MVAL disable during parity bytes */
+ fecOcRegIprMode |= FEC_OC_IPR_MODE_MVAL_DIS_PAR__M;
+ /* TS burst length to 204 */
+ fecOcDtoBurstLen = 204;
+ }
+
+ /* Check serial or parrallel output */
+ fecOcRegIprMode &= (~(FEC_OC_IPR_MODE_SERIAL__M));
+ if (state->m_enableParallel == false) {
+ /* MPEG data output is serial -> set ipr_mode[0] */
+ fecOcRegIprMode |= FEC_OC_IPR_MODE_SERIAL__M;
+ }
+
+ switch (oMode) {
+ case OM_DVBT:
+ maxBitRate = state->m_DVBTBitrate;
+ fecOcTmdMode = 3;
+ fecOcRcnCtlRate = 0xC00000;
+ staticCLK = state->m_DVBTStaticCLK;
+ break;
+ case OM_QAM_ITU_A: /* fallthrough */
+ case OM_QAM_ITU_C:
+ fecOcTmdMode = 0x0004;
+ fecOcRcnCtlRate = 0xD2B4EE; /* good for >63 Mb/s */
+ maxBitRate = state->m_DVBCBitrate;
+ staticCLK = state->m_DVBCStaticCLK;
+ break;
+ default:
+ status = -EINVAL;
+ } /* switch (standard) */
+ if (status < 0)
+ goto error;
+
+ /* Configure DTO's */
+ if (staticCLK) {
+ u32 bitRate = 0;
+
+ /* Rational DTO for MCLK source (static MCLK rate),
+ Dynamic DTO for optimal grouping
+ (avoid intra-packet gaps),
+ DTO offset enable to sync TS burst with MSTRT */
+ fecOcDtoMode = (FEC_OC_DTO_MODE_DYNAMIC__M |
+ FEC_OC_DTO_MODE_OFFSET_ENABLE__M);
+ fecOcFctMode = (FEC_OC_FCT_MODE_RAT_ENA__M |
+ FEC_OC_FCT_MODE_VIRT_ENA__M);
+
+ /* Check user defined bitrate */
+ bitRate = maxBitRate;
+ if (bitRate > 75900000UL) { /* max is 75.9 Mb/s */
+ bitRate = 75900000UL;
+ }
+ /* Rational DTO period:
+ dto_period = (Fsys / bitrate) - 2
+
+ Result should be floored,
+ to make sure >= requested bitrate
+ */
+ fecOcDtoPeriod = (u16) (((state->m_sysClockFreq)
+ * 1000) / bitRate);
+ if (fecOcDtoPeriod <= 2)
+ fecOcDtoPeriod = 0;
+ else
+ fecOcDtoPeriod -= 2;
+ fecOcTmdIntUpdRate = 8;
+ } else {
+ /* (commonAttr->staticCLK == false) => dynamic mode */
+ fecOcDtoMode = FEC_OC_DTO_MODE_DYNAMIC__M;
+ fecOcFctMode = FEC_OC_FCT_MODE__PRE;
+ fecOcTmdIntUpdRate = 5;
+ }
+
+ /* Write appropriate registers with requested configuration */
+ status = write16(state, FEC_OC_DTO_BURST_LEN__A, fecOcDtoBurstLen);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_DTO_PERIOD__A, fecOcDtoPeriod);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_DTO_MODE__A, fecOcDtoMode);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_FCT_MODE__A, fecOcFctMode);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_MODE__A, fecOcRegMode);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_IPR_MODE__A, fecOcRegIprMode);
+ if (status < 0)
+ goto error;
+
+ /* Rate integration settings */
+ status = write32(state, FEC_OC_RCN_CTL_RATE_LO__A, fecOcRcnCtlRate);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_TMD_INT_UPD_RATE__A, fecOcTmdIntUpdRate);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_TMD_MODE__A, fecOcTmdMode);
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int MPEGTSConfigurePolarity(struct drxk_state *state)
+{
+ u16 fecOcRegIprInvert = 0;
+
+ /* Data mask for the output data byte */
+ u16 InvertDataMask =
+ FEC_OC_IPR_INVERT_MD7__M | FEC_OC_IPR_INVERT_MD6__M |
+ FEC_OC_IPR_INVERT_MD5__M | FEC_OC_IPR_INVERT_MD4__M |
+ FEC_OC_IPR_INVERT_MD3__M | FEC_OC_IPR_INVERT_MD2__M |
+ FEC_OC_IPR_INVERT_MD1__M | FEC_OC_IPR_INVERT_MD0__M;
+
+ dprintk(1, "\n");
+
+ /* Control selective inversion of output bits */
+ fecOcRegIprInvert &= (~(InvertDataMask));
+ if (state->m_invertDATA == true)
+ fecOcRegIprInvert |= InvertDataMask;
+ fecOcRegIprInvert &= (~(FEC_OC_IPR_INVERT_MERR__M));
+ if (state->m_invertERR == true)
+ fecOcRegIprInvert |= FEC_OC_IPR_INVERT_MERR__M;
+ fecOcRegIprInvert &= (~(FEC_OC_IPR_INVERT_MSTRT__M));
+ if (state->m_invertSTR == true)
+ fecOcRegIprInvert |= FEC_OC_IPR_INVERT_MSTRT__M;
+ fecOcRegIprInvert &= (~(FEC_OC_IPR_INVERT_MVAL__M));
+ if (state->m_invertVAL == true)
+ fecOcRegIprInvert |= FEC_OC_IPR_INVERT_MVAL__M;
+ fecOcRegIprInvert &= (~(FEC_OC_IPR_INVERT_MCLK__M));
+ if (state->m_invertCLK == true)
+ fecOcRegIprInvert |= FEC_OC_IPR_INVERT_MCLK__M;
+
+ return write16(state, FEC_OC_IPR_INVERT__A, fecOcRegIprInvert);
+}
+
+#define SCU_RAM_AGC_KI_INV_RF_POL__M 0x4000
+
+static int SetAgcRf(struct drxk_state *state,
+ struct SCfgAgc *pAgcCfg, bool isDTV)
+{
+ int status = -EINVAL;
+ u16 data = 0;
+ struct SCfgAgc *pIfAgcSettings;
+
+ dprintk(1, "\n");
+
+ if (pAgcCfg == NULL)
+ goto error;
+
+ switch (pAgcCfg->ctrlMode) {
+ case DRXK_AGC_CTRL_AUTO:
+ /* Enable RF AGC DAC */
+ status = read16(state, IQM_AF_STDBY__A, &data);
+ if (status < 0)
+ goto error;
+ data &= ~IQM_AF_STDBY_STDBY_TAGC_RF_STANDBY;
+ status = write16(state, IQM_AF_STDBY__A, data);
+ if (status < 0)
+ goto error;
+ status = read16(state, SCU_RAM_AGC_CONFIG__A, &data);
+ if (status < 0)
+ goto error;
+
+ /* Enable SCU RF AGC loop */
+ data &= ~SCU_RAM_AGC_CONFIG_DISABLE_RF_AGC__M;
+
+ /* Polarity */
+ if (state->m_RfAgcPol)
+ data |= SCU_RAM_AGC_CONFIG_INV_RF_POL__M;
+ else
+ data &= ~SCU_RAM_AGC_CONFIG_INV_RF_POL__M;
+ status = write16(state, SCU_RAM_AGC_CONFIG__A, data);
+ if (status < 0)
+ goto error;
+
+ /* Set speed (using complementary reduction value) */
+ status = read16(state, SCU_RAM_AGC_KI_RED__A, &data);
+ if (status < 0)
+ goto error;
+
+ data &= ~SCU_RAM_AGC_KI_RED_RAGC_RED__M;
+ data |= (~(pAgcCfg->speed <<
+ SCU_RAM_AGC_KI_RED_RAGC_RED__B)
+ & SCU_RAM_AGC_KI_RED_RAGC_RED__M);
+
+ status = write16(state, SCU_RAM_AGC_KI_RED__A, data);
+ if (status < 0)
+ goto error;
+
+ if (IsDVBT(state))
+ pIfAgcSettings = &state->m_dvbtIfAgcCfg;
+ else if (IsQAM(state))
+ pIfAgcSettings = &state->m_qamIfAgcCfg;
+ else
+ pIfAgcSettings = &state->m_atvIfAgcCfg;
+ if (pIfAgcSettings == NULL) {
+ status = -EINVAL;
+ goto error;
+ }
+
+ /* Set TOP, only if IF-AGC is in AUTO mode */
+ if (pIfAgcSettings->ctrlMode == DRXK_AGC_CTRL_AUTO)
+ status = write16(state, SCU_RAM_AGC_IF_IACCU_HI_TGT_MAX__A, pAgcCfg->top);
+ if (status < 0)
+ goto error;
+
+ /* Cut-Off current */
+ status = write16(state, SCU_RAM_AGC_RF_IACCU_HI_CO__A, pAgcCfg->cutOffCurrent);
+ if (status < 0)
+ goto error;
+
+ /* Max. output level */
+ status = write16(state, SCU_RAM_AGC_RF_MAX__A, pAgcCfg->maxOutputLevel);
+ if (status < 0)
+ goto error;
+
+ break;
+
+ case DRXK_AGC_CTRL_USER:
+ /* Enable RF AGC DAC */
+ status = read16(state, IQM_AF_STDBY__A, &data);
+ if (status < 0)
+ goto error;
+ data &= ~IQM_AF_STDBY_STDBY_TAGC_RF_STANDBY;
+ status = write16(state, IQM_AF_STDBY__A, data);
+ if (status < 0)
+ goto error;
+
+ /* Disable SCU RF AGC loop */
+ status = read16(state, SCU_RAM_AGC_CONFIG__A, &data);
+ if (status < 0)
+ goto error;
+ data |= SCU_RAM_AGC_CONFIG_DISABLE_RF_AGC__M;
+ if (state->m_RfAgcPol)
+ data |= SCU_RAM_AGC_CONFIG_INV_RF_POL__M;
+ else
+ data &= ~SCU_RAM_AGC_CONFIG_INV_RF_POL__M;
+ status = write16(state, SCU_RAM_AGC_CONFIG__A, data);
+ if (status < 0)
+ goto error;
+
+ /* SCU c.o.c. to 0, enabling full control range */
+ status = write16(state, SCU_RAM_AGC_RF_IACCU_HI_CO__A, 0);
+ if (status < 0)
+ goto error;
+
+ /* Write value to output pin */
+ status = write16(state, SCU_RAM_AGC_RF_IACCU_HI__A, pAgcCfg->outputLevel);
+ if (status < 0)
+ goto error;
+ break;
+
+ case DRXK_AGC_CTRL_OFF:
+ /* Disable RF AGC DAC */
+ status = read16(state, IQM_AF_STDBY__A, &data);
+ if (status < 0)
+ goto error;
+ data |= IQM_AF_STDBY_STDBY_TAGC_RF_STANDBY;
+ status = write16(state, IQM_AF_STDBY__A, data);
+ if (status < 0)
+ goto error;
+
+ /* Disable SCU RF AGC loop */
+ status = read16(state, SCU_RAM_AGC_CONFIG__A, &data);
+ if (status < 0)
+ goto error;
+ data |= SCU_RAM_AGC_CONFIG_DISABLE_RF_AGC__M;
+ status = write16(state, SCU_RAM_AGC_CONFIG__A, data);
+ if (status < 0)
+ goto error;
+ break;
+
+ default:
+ status = -EINVAL;
+
+ }
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+#define SCU_RAM_AGC_KI_INV_IF_POL__M 0x2000
+
+static int SetAgcIf(struct drxk_state *state,
+ struct SCfgAgc *pAgcCfg, bool isDTV)
+{
+ u16 data = 0;
+ int status = 0;
+ struct SCfgAgc *pRfAgcSettings;
+
+ dprintk(1, "\n");
+
+ switch (pAgcCfg->ctrlMode) {
+ case DRXK_AGC_CTRL_AUTO:
+
+ /* Enable IF AGC DAC */
+ status = read16(state, IQM_AF_STDBY__A, &data);
+ if (status < 0)
+ goto error;
+ data &= ~IQM_AF_STDBY_STDBY_TAGC_IF_STANDBY;
+ status = write16(state, IQM_AF_STDBY__A, data);
+ if (status < 0)
+ goto error;
+
+ status = read16(state, SCU_RAM_AGC_CONFIG__A, &data);
+ if (status < 0)
+ goto error;
+
+ /* Enable SCU IF AGC loop */
+ data &= ~SCU_RAM_AGC_CONFIG_DISABLE_IF_AGC__M;
+
+ /* Polarity */
+ if (state->m_IfAgcPol)
+ data |= SCU_RAM_AGC_CONFIG_INV_IF_POL__M;
+ else
+ data &= ~SCU_RAM_AGC_CONFIG_INV_IF_POL__M;
+ status = write16(state, SCU_RAM_AGC_CONFIG__A, data);
+ if (status < 0)
+ goto error;
+
+ /* Set speed (using complementary reduction value) */
+ status = read16(state, SCU_RAM_AGC_KI_RED__A, &data);
+ if (status < 0)
+ goto error;
+ data &= ~SCU_RAM_AGC_KI_RED_IAGC_RED__M;
+ data |= (~(pAgcCfg->speed <<
+ SCU_RAM_AGC_KI_RED_IAGC_RED__B)
+ & SCU_RAM_AGC_KI_RED_IAGC_RED__M);
+
+ status = write16(state, SCU_RAM_AGC_KI_RED__A, data);
+ if (status < 0)
+ goto error;
+
+ if (IsQAM(state))
+ pRfAgcSettings = &state->m_qamRfAgcCfg;
+ else
+ pRfAgcSettings = &state->m_atvRfAgcCfg;
+ if (pRfAgcSettings == NULL)
+ return -1;
+ /* Restore TOP */
+ status = write16(state, SCU_RAM_AGC_IF_IACCU_HI_TGT_MAX__A, pRfAgcSettings->top);
+ if (status < 0)
+ goto error;
+ break;
+
+ case DRXK_AGC_CTRL_USER:
+
+ /* Enable IF AGC DAC */
+ status = read16(state, IQM_AF_STDBY__A, &data);
+ if (status < 0)
+ goto error;
+ data &= ~IQM_AF_STDBY_STDBY_TAGC_IF_STANDBY;
+ status = write16(state, IQM_AF_STDBY__A, data);
+ if (status < 0)
+ goto error;
+
+ status = read16(state, SCU_RAM_AGC_CONFIG__A, &data);
+ if (status < 0)
+ goto error;
+
+ /* Disable SCU IF AGC loop */
+ data |= SCU_RAM_AGC_CONFIG_DISABLE_IF_AGC__M;
+
+ /* Polarity */
+ if (state->m_IfAgcPol)
+ data |= SCU_RAM_AGC_CONFIG_INV_IF_POL__M;
+ else
+ data &= ~SCU_RAM_AGC_CONFIG_INV_IF_POL__M;
+ status = write16(state, SCU_RAM_AGC_CONFIG__A, data);
+ if (status < 0)
+ goto error;
+
+ /* Write value to output pin */
+ status = write16(state, SCU_RAM_AGC_IF_IACCU_HI_TGT_MAX__A, pAgcCfg->outputLevel);
+ if (status < 0)
+ goto error;
+ break;
+
+ case DRXK_AGC_CTRL_OFF:
+
+ /* Disable If AGC DAC */
+ status = read16(state, IQM_AF_STDBY__A, &data);
+ if (status < 0)
+ goto error;
+ data |= IQM_AF_STDBY_STDBY_TAGC_IF_STANDBY;
+ status = write16(state, IQM_AF_STDBY__A, data);
+ if (status < 0)
+ goto error;
+
+ /* Disable SCU IF AGC loop */
+ status = read16(state, SCU_RAM_AGC_CONFIG__A, &data);
+ if (status < 0)
+ goto error;
+ data |= SCU_RAM_AGC_CONFIG_DISABLE_IF_AGC__M;
+ status = write16(state, SCU_RAM_AGC_CONFIG__A, data);
+ if (status < 0)
+ goto error;
+ break;
+ } /* switch (agcSettingsIf->ctrlMode) */
+
+ /* always set the top to support
+ configurations without if-loop */
+ status = write16(state, SCU_RAM_AGC_INGAIN_TGT_MIN__A, pAgcCfg->top);
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int ReadIFAgc(struct drxk_state *state, u32 *pValue)
+{
+ u16 agcDacLvl;
+ int status;
+ u16 Level = 0;
+
+ dprintk(1, "\n");
+
+ status = read16(state, IQM_AF_AGC_IF__A, &agcDacLvl);
+ if (status < 0) {
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+ }
+
+ *pValue = 0;
+
+ if (agcDacLvl > DRXK_AGC_DAC_OFFSET)
+ Level = agcDacLvl - DRXK_AGC_DAC_OFFSET;
+ if (Level < 14000)
+ *pValue = (14000 - Level) / 4;
+ else
+ *pValue = 0;
+
+ return status;
+}
+
+static int GetQAMSignalToNoise(struct drxk_state *state,
+ s32 *pSignalToNoise)
+{
+ int status = 0;
+ u16 qamSlErrPower = 0; /* accum. error between
+ raw and sliced symbols */
+ u32 qamSlSigPower = 0; /* used for MER, depends of
+ QAM modulation */
+ u32 qamSlMer = 0; /* QAM MER */
+
+ dprintk(1, "\n");
+
+ /* MER calculation */
+
+ /* get the register value needed for MER */
+ status = read16(state, QAM_SL_ERR_POWER__A, &qamSlErrPower);
+ if (status < 0) {
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return -EINVAL;
+ }
+
+ switch (state->props.modulation) {
+ case QAM_16:
+ qamSlSigPower = DRXK_QAM_SL_SIG_POWER_QAM16 << 2;
+ break;
+ case QAM_32:
+ qamSlSigPower = DRXK_QAM_SL_SIG_POWER_QAM32 << 2;
+ break;
+ case QAM_64:
+ qamSlSigPower = DRXK_QAM_SL_SIG_POWER_QAM64 << 2;
+ break;
+ case QAM_128:
+ qamSlSigPower = DRXK_QAM_SL_SIG_POWER_QAM128 << 2;
+ break;
+ default:
+ case QAM_256:
+ qamSlSigPower = DRXK_QAM_SL_SIG_POWER_QAM256 << 2;
+ break;
+ }
+
+ if (qamSlErrPower > 0) {
+ qamSlMer = Log10Times100(qamSlSigPower) -
+ Log10Times100((u32) qamSlErrPower);
+ }
+ *pSignalToNoise = qamSlMer;
+
+ return status;
+}
+
+static int GetDVBTSignalToNoise(struct drxk_state *state,
+ s32 *pSignalToNoise)
+{
+ int status;
+ u16 regData = 0;
+ u32 EqRegTdSqrErrI = 0;
+ u32 EqRegTdSqrErrQ = 0;
+ u16 EqRegTdSqrErrExp = 0;
+ u16 EqRegTdTpsPwrOfs = 0;
+ u16 EqRegTdReqSmbCnt = 0;
+ u32 tpsCnt = 0;
+ u32 SqrErrIQ = 0;
+ u32 a = 0;
+ u32 b = 0;
+ u32 c = 0;
+ u32 iMER = 0;
+ u16 transmissionParams = 0;
+
+ dprintk(1, "\n");
+
+ status = read16(state, OFDM_EQ_TOP_TD_TPS_PWR_OFS__A, &EqRegTdTpsPwrOfs);
+ if (status < 0)
+ goto error;
+ status = read16(state, OFDM_EQ_TOP_TD_REQ_SMB_CNT__A, &EqRegTdReqSmbCnt);
+ if (status < 0)
+ goto error;
+ status = read16(state, OFDM_EQ_TOP_TD_SQR_ERR_EXP__A, &EqRegTdSqrErrExp);
+ if (status < 0)
+ goto error;
+ status = read16(state, OFDM_EQ_TOP_TD_SQR_ERR_I__A, &regData);
+ if (status < 0)
+ goto error;
+ /* Extend SQR_ERR_I operational range */
+ EqRegTdSqrErrI = (u32) regData;
+ if ((EqRegTdSqrErrExp > 11) &&
+ (EqRegTdSqrErrI < 0x00000FFFUL)) {
+ EqRegTdSqrErrI += 0x00010000UL;
+ }
+ status = read16(state, OFDM_EQ_TOP_TD_SQR_ERR_Q__A, &regData);
+ if (status < 0)
+ goto error;
+ /* Extend SQR_ERR_Q operational range */
+ EqRegTdSqrErrQ = (u32) regData;
+ if ((EqRegTdSqrErrExp > 11) &&
+ (EqRegTdSqrErrQ < 0x00000FFFUL))
+ EqRegTdSqrErrQ += 0x00010000UL;
+
+ status = read16(state, OFDM_SC_RA_RAM_OP_PARAM__A, &transmissionParams);
+ if (status < 0)
+ goto error;
+
+ /* Check input data for MER */
+
+ /* MER calculation (in 0.1 dB) without math.h */
+ if ((EqRegTdTpsPwrOfs == 0) || (EqRegTdReqSmbCnt == 0))
+ iMER = 0;
+ else if ((EqRegTdSqrErrI + EqRegTdSqrErrQ) == 0) {
+ /* No error at all, this must be the HW reset value
+ * Apparently no first measurement yet
+ * Set MER to 0.0 */
+ iMER = 0;
+ } else {
+ SqrErrIQ = (EqRegTdSqrErrI + EqRegTdSqrErrQ) <<
+ EqRegTdSqrErrExp;
+ if ((transmissionParams &
+ OFDM_SC_RA_RAM_OP_PARAM_MODE__M)
+ == OFDM_SC_RA_RAM_OP_PARAM_MODE_2K)
+ tpsCnt = 17;
+ else
+ tpsCnt = 68;
+
+ /* IMER = 100 * log10 (x)
+ where x = (EqRegTdTpsPwrOfs^2 *
+ EqRegTdReqSmbCnt * tpsCnt)/SqrErrIQ
+
+ => IMER = a + b -c
+ where a = 100 * log10 (EqRegTdTpsPwrOfs^2)
+ b = 100 * log10 (EqRegTdReqSmbCnt * tpsCnt)
+ c = 100 * log10 (SqrErrIQ)
+ */
+
+ /* log(x) x = 9bits * 9bits->18 bits */
+ a = Log10Times100(EqRegTdTpsPwrOfs *
+ EqRegTdTpsPwrOfs);
+ /* log(x) x = 16bits * 7bits->23 bits */
+ b = Log10Times100(EqRegTdReqSmbCnt * tpsCnt);
+ /* log(x) x = (16bits + 16bits) << 15 ->32 bits */
+ c = Log10Times100(SqrErrIQ);
+
+ iMER = a + b;
+ /* No negative MER, clip to zero */
+ if (iMER > c)
+ iMER -= c;
+ else
+ iMER = 0;
+ }
+ *pSignalToNoise = iMER;
+
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int GetSignalToNoise(struct drxk_state *state, s32 *pSignalToNoise)
+{
+ dprintk(1, "\n");
+
+ *pSignalToNoise = 0;
+ switch (state->m_OperationMode) {
+ case OM_DVBT:
+ return GetDVBTSignalToNoise(state, pSignalToNoise);
+ case OM_QAM_ITU_A:
+ case OM_QAM_ITU_C:
+ return GetQAMSignalToNoise(state, pSignalToNoise);
+ default:
+ break;
+ }
+ return 0;
+}
+
+#if 0
+static int GetDVBTQuality(struct drxk_state *state, s32 *pQuality)
+{
+ /* SNR Values for quasi errorfree reception rom Nordig 2.2 */
+ int status = 0;
+
+ dprintk(1, "\n");
+
+ static s32 QE_SN[] = {
+ 51, /* QPSK 1/2 */
+ 69, /* QPSK 2/3 */
+ 79, /* QPSK 3/4 */
+ 89, /* QPSK 5/6 */
+ 97, /* QPSK 7/8 */
+ 108, /* 16-QAM 1/2 */
+ 131, /* 16-QAM 2/3 */
+ 146, /* 16-QAM 3/4 */
+ 156, /* 16-QAM 5/6 */
+ 160, /* 16-QAM 7/8 */
+ 165, /* 64-QAM 1/2 */
+ 187, /* 64-QAM 2/3 */
+ 202, /* 64-QAM 3/4 */
+ 216, /* 64-QAM 5/6 */
+ 225, /* 64-QAM 7/8 */
+ };
+
+ *pQuality = 0;
+
+ do {
+ s32 SignalToNoise = 0;
+ u16 Constellation = 0;
+ u16 CodeRate = 0;
+ u32 SignalToNoiseRel;
+ u32 BERQuality;
+
+ status = GetDVBTSignalToNoise(state, &SignalToNoise);
+ if (status < 0)
+ break;
+ status = read16(state, OFDM_EQ_TOP_TD_TPS_CONST__A, &Constellation);
+ if (status < 0)
+ break;
+ Constellation &= OFDM_EQ_TOP_TD_TPS_CONST__M;
+
+ status = read16(state, OFDM_EQ_TOP_TD_TPS_CODE_HP__A, &CodeRate);
+ if (status < 0)
+ break;
+ CodeRate &= OFDM_EQ_TOP_TD_TPS_CODE_HP__M;
+
+ if (Constellation > OFDM_EQ_TOP_TD_TPS_CONST_64QAM ||
+ CodeRate > OFDM_EQ_TOP_TD_TPS_CODE_LP_7_8)
+ break;
+ SignalToNoiseRel = SignalToNoise -
+ QE_SN[Constellation * 5 + CodeRate];
+ BERQuality = 100;
+
+ if (SignalToNoiseRel < -70)
+ *pQuality = 0;
+ else if (SignalToNoiseRel < 30)
+ *pQuality = ((SignalToNoiseRel + 70) *
+ BERQuality) / 100;
+ else
+ *pQuality = BERQuality;
+ } while (0);
+ return 0;
+};
+
+static int GetDVBCQuality(struct drxk_state *state, s32 *pQuality)
+{
+ int status = 0;
+ *pQuality = 0;
+
+ dprintk(1, "\n");
+
+ do {
+ u32 SignalToNoise = 0;
+ u32 BERQuality = 100;
+ u32 SignalToNoiseRel = 0;
+
+ status = GetQAMSignalToNoise(state, &SignalToNoise);
+ if (status < 0)
+ break;
+
+ switch (state->props.modulation) {
+ case QAM_16:
+ SignalToNoiseRel = SignalToNoise - 200;
+ break;
+ case QAM_32:
+ SignalToNoiseRel = SignalToNoise - 230;
+ break; /* Not in NorDig */
+ case QAM_64:
+ SignalToNoiseRel = SignalToNoise - 260;
+ break;
+ case QAM_128:
+ SignalToNoiseRel = SignalToNoise - 290;
+ break;
+ default:
+ case QAM_256:
+ SignalToNoiseRel = SignalToNoise - 320;
+ break;
+ }
+
+ if (SignalToNoiseRel < -70)
+ *pQuality = 0;
+ else if (SignalToNoiseRel < 30)
+ *pQuality = ((SignalToNoiseRel + 70) *
+ BERQuality) / 100;
+ else
+ *pQuality = BERQuality;
+ } while (0);
+
+ return status;
+}
+
+static int GetQuality(struct drxk_state *state, s32 *pQuality)
+{
+ dprintk(1, "\n");
+
+ switch (state->m_OperationMode) {
+ case OM_DVBT:
+ return GetDVBTQuality(state, pQuality);
+ case OM_QAM_ITU_A:
+ return GetDVBCQuality(state, pQuality);
+ default:
+ break;
+ }
+
+ return 0;
+}
+#endif
+
+/* Free data ram in SIO HI */
+#define SIO_HI_RA_RAM_USR_BEGIN__A 0x420040
+#define SIO_HI_RA_RAM_USR_END__A 0x420060
+
+#define DRXK_HI_ATOMIC_BUF_START (SIO_HI_RA_RAM_USR_BEGIN__A)
+#define DRXK_HI_ATOMIC_BUF_END (SIO_HI_RA_RAM_USR_BEGIN__A + 7)
+#define DRXK_HI_ATOMIC_READ SIO_HI_RA_RAM_PAR_3_ACP_RW_READ
+#define DRXK_HI_ATOMIC_WRITE SIO_HI_RA_RAM_PAR_3_ACP_RW_WRITE
+
+#define DRXDAP_FASI_ADDR2BLOCK(addr) (((addr) >> 22) & 0x3F)
+#define DRXDAP_FASI_ADDR2BANK(addr) (((addr) >> 16) & 0x3F)
+#define DRXDAP_FASI_ADDR2OFFSET(addr) ((addr) & 0x7FFF)
+
+static int ConfigureI2CBridge(struct drxk_state *state, bool bEnableBridge)
+{
+ int status = -EINVAL;
+
+ dprintk(1, "\n");
+
+ if (state->m_DrxkState == DRXK_UNINITIALIZED)
+ goto error;
+ if (state->m_DrxkState == DRXK_POWERED_DOWN)
+ goto error;
+
+ if (state->no_i2c_bridge)
+ return 0;
+
+ status = write16(state, SIO_HI_RA_RAM_PAR_1__A, SIO_HI_RA_RAM_PAR_1_PAR1_SEC_KEY);
+ if (status < 0)
+ goto error;
+ if (bEnableBridge) {
+ status = write16(state, SIO_HI_RA_RAM_PAR_2__A, SIO_HI_RA_RAM_PAR_2_BRD_CFG_CLOSED);
+ if (status < 0)
+ goto error;
+ } else {
+ status = write16(state, SIO_HI_RA_RAM_PAR_2__A, SIO_HI_RA_RAM_PAR_2_BRD_CFG_OPEN);
+ if (status < 0)
+ goto error;
+ }
+
+ status = HI_Command(state, SIO_HI_RA_RAM_CMD_BRDCTRL, 0);
+
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int SetPreSaw(struct drxk_state *state,
+ struct SCfgPreSaw *pPreSawCfg)
+{
+ int status = -EINVAL;
+
+ dprintk(1, "\n");
+
+ if ((pPreSawCfg == NULL)
+ || (pPreSawCfg->reference > IQM_AF_PDREF__M))
+ goto error;
+
+ status = write16(state, IQM_AF_PDREF__A, pPreSawCfg->reference);
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int BLDirectCmd(struct drxk_state *state, u32 targetAddr,
+ u16 romOffset, u16 nrOfElements, u32 timeOut)
+{
+ u16 blStatus = 0;
+ u16 offset = (u16) ((targetAddr >> 0) & 0x00FFFF);
+ u16 blockbank = (u16) ((targetAddr >> 16) & 0x000FFF);
+ int status;
+ unsigned long end;
+
+ dprintk(1, "\n");
+
+ mutex_lock(&state->mutex);
+ status = write16(state, SIO_BL_MODE__A, SIO_BL_MODE_DIRECT);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_BL_TGT_HDR__A, blockbank);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_BL_TGT_ADDR__A, offset);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_BL_SRC_ADDR__A, romOffset);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_BL_SRC_LEN__A, nrOfElements);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_BL_ENABLE__A, SIO_BL_ENABLE_ON);
+ if (status < 0)
+ goto error;
+
+ end = jiffies + msecs_to_jiffies(timeOut);
+ do {
+ status = read16(state, SIO_BL_STATUS__A, &blStatus);
+ if (status < 0)
+ goto error;
+ } while ((blStatus == 0x1) && time_is_after_jiffies(end));
+ if (blStatus == 0x1) {
+ printk(KERN_ERR "drxk: SIO not ready\n");
+ status = -EINVAL;
+ goto error2;
+ }
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+error2:
+ mutex_unlock(&state->mutex);
+ return status;
+
+}
+
+static int ADCSyncMeasurement(struct drxk_state *state, u16 *count)
+{
+ u16 data = 0;
+ int status;
+
+ dprintk(1, "\n");
+
+ /* Start measurement */
+ status = write16(state, IQM_AF_COMM_EXEC__A, IQM_AF_COMM_EXEC_ACTIVE);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_AF_START_LOCK__A, 1);
+ if (status < 0)
+ goto error;
+
+ *count = 0;
+ status = read16(state, IQM_AF_PHASE0__A, &data);
+ if (status < 0)
+ goto error;
+ if (data == 127)
+ *count = *count + 1;
+ status = read16(state, IQM_AF_PHASE1__A, &data);
+ if (status < 0)
+ goto error;
+ if (data == 127)
+ *count = *count + 1;
+ status = read16(state, IQM_AF_PHASE2__A, &data);
+ if (status < 0)
+ goto error;
+ if (data == 127)
+ *count = *count + 1;
+
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int ADCSynchronization(struct drxk_state *state)
+{
+ u16 count = 0;
+ int status;
+
+ dprintk(1, "\n");
+
+ status = ADCSyncMeasurement(state, &count);
+ if (status < 0)
+ goto error;
+
+ if (count == 1) {
+ /* Try sampling on a diffrent edge */
+ u16 clkNeg = 0;
+
+ status = read16(state, IQM_AF_CLKNEG__A, &clkNeg);
+ if (status < 0)
+ goto error;
+ if ((clkNeg | IQM_AF_CLKNEG_CLKNEGDATA__M) ==
+ IQM_AF_CLKNEG_CLKNEGDATA_CLK_ADC_DATA_POS) {
+ clkNeg &= (~(IQM_AF_CLKNEG_CLKNEGDATA__M));
+ clkNeg |=
+ IQM_AF_CLKNEG_CLKNEGDATA_CLK_ADC_DATA_NEG;
+ } else {
+ clkNeg &= (~(IQM_AF_CLKNEG_CLKNEGDATA__M));
+ clkNeg |=
+ IQM_AF_CLKNEG_CLKNEGDATA_CLK_ADC_DATA_POS;
+ }
+ status = write16(state, IQM_AF_CLKNEG__A, clkNeg);
+ if (status < 0)
+ goto error;
+ status = ADCSyncMeasurement(state, &count);
+ if (status < 0)
+ goto error;
+ }
+
+ if (count < 2)
+ status = -EINVAL;
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int SetFrequencyShifter(struct drxk_state *state,
+ u16 intermediateFreqkHz,
+ s32 tunerFreqOffset, bool isDTV)
+{
+ bool selectPosImage = false;
+ u32 rfFreqResidual = tunerFreqOffset;
+ u32 fmFrequencyShift = 0;
+ bool tunerMirror = !state->m_bMirrorFreqSpect;
+ u32 adcFreq;
+ bool adcFlip;
+ int status;
+ u32 ifFreqActual;
+ u32 samplingFrequency = (u32) (state->m_sysClockFreq / 3);
+ u32 frequencyShift;
+ bool imageToSelect;
+
+ dprintk(1, "\n");
+
+ /*
+ Program frequency shifter
+ No need to account for mirroring on RF
+ */
+ if (isDTV) {
+ if ((state->m_OperationMode == OM_QAM_ITU_A) ||
+ (state->m_OperationMode == OM_QAM_ITU_C) ||
+ (state->m_OperationMode == OM_DVBT))
+ selectPosImage = true;
+ else
+ selectPosImage = false;
+ }
+ if (tunerMirror)
+ /* tuner doesn't mirror */
+ ifFreqActual = intermediateFreqkHz +
+ rfFreqResidual + fmFrequencyShift;
+ else
+ /* tuner mirrors */
+ ifFreqActual = intermediateFreqkHz -
+ rfFreqResidual - fmFrequencyShift;
+ if (ifFreqActual > samplingFrequency / 2) {
+ /* adc mirrors */
+ adcFreq = samplingFrequency - ifFreqActual;
+ adcFlip = true;
+ } else {
+ /* adc doesn't mirror */
+ adcFreq = ifFreqActual;
+ adcFlip = false;
+ }
+
+ frequencyShift = adcFreq;
+ imageToSelect = state->m_rfmirror ^ tunerMirror ^
+ adcFlip ^ selectPosImage;
+ state->m_IqmFsRateOfs =
+ Frac28a((frequencyShift), samplingFrequency);
+
+ if (imageToSelect)
+ state->m_IqmFsRateOfs = ~state->m_IqmFsRateOfs + 1;
+
+ /* Program frequency shifter with tuner offset compensation */
+ /* frequencyShift += tunerFreqOffset; TODO */
+ status = write32(state, IQM_FS_RATE_OFS_LO__A,
+ state->m_IqmFsRateOfs);
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int InitAGC(struct drxk_state *state, bool isDTV)
+{
+ u16 ingainTgt = 0;
+ u16 ingainTgtMin = 0;
+ u16 ingainTgtMax = 0;
+ u16 clpCyclen = 0;
+ u16 clpSumMin = 0;
+ u16 clpDirTo = 0;
+ u16 snsSumMin = 0;
+ u16 snsSumMax = 0;
+ u16 clpSumMax = 0;
+ u16 snsDirTo = 0;
+ u16 kiInnergainMin = 0;
+ u16 ifIaccuHiTgt = 0;
+ u16 ifIaccuHiTgtMin = 0;
+ u16 ifIaccuHiTgtMax = 0;
+ u16 data = 0;
+ u16 fastClpCtrlDelay = 0;
+ u16 clpCtrlMode = 0;
+ int status = 0;
+
+ dprintk(1, "\n");
+
+ /* Common settings */
+ snsSumMax = 1023;
+ ifIaccuHiTgtMin = 2047;
+ clpCyclen = 500;
+ clpSumMax = 1023;
+
+ /* AGCInit() not available for DVBT; init done in microcode */
+ if (!IsQAM(state)) {
+ printk(KERN_ERR "drxk: %s: mode %d is not DVB-C\n", __func__, state->m_OperationMode);
+ return -EINVAL;
+ }
+
+ /* FIXME: Analog TV AGC require different settings */
+
+ /* Standard specific settings */
+ clpSumMin = 8;
+ clpDirTo = (u16) -9;
+ clpCtrlMode = 0;
+ snsSumMin = 8;
+ snsDirTo = (u16) -9;
+ kiInnergainMin = (u16) -1030;
+ ifIaccuHiTgtMax = 0x2380;
+ ifIaccuHiTgt = 0x2380;
+ ingainTgtMin = 0x0511;
+ ingainTgt = 0x0511;
+ ingainTgtMax = 5119;
+ fastClpCtrlDelay = state->m_qamIfAgcCfg.FastClipCtrlDelay;
+
+ status = write16(state, SCU_RAM_AGC_FAST_CLP_CTRL_DELAY__A, fastClpCtrlDelay);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_AGC_CLP_CTRL_MODE__A, clpCtrlMode);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_INGAIN_TGT__A, ingainTgt);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_INGAIN_TGT_MIN__A, ingainTgtMin);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_INGAIN_TGT_MAX__A, ingainTgtMax);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_IF_IACCU_HI_TGT_MIN__A, ifIaccuHiTgtMin);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_IF_IACCU_HI_TGT_MAX__A, ifIaccuHiTgtMax);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_IF_IACCU_HI__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_IF_IACCU_LO__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_RF_IACCU_HI__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_RF_IACCU_LO__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_CLP_SUM_MAX__A, clpSumMax);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_SNS_SUM_MAX__A, snsSumMax);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_AGC_KI_INNERGAIN_MIN__A, kiInnergainMin);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_IF_IACCU_HI_TGT__A, ifIaccuHiTgt);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_CLP_CYCLEN__A, clpCyclen);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_AGC_RF_SNS_DEV_MAX__A, 1023);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_RF_SNS_DEV_MIN__A, (u16) -1023);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_FAST_SNS_CTRL_DELAY__A, 50);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_AGC_KI_MAXMINGAIN_TH__A, 20);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_CLP_SUM_MIN__A, clpSumMin);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_SNS_SUM_MIN__A, snsSumMin);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_CLP_DIR_TO__A, clpDirTo);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_SNS_DIR_TO__A, snsDirTo);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_KI_MINGAIN__A, 0x7fff);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_KI_MAXGAIN__A, 0x0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_KI_MIN__A, 0x0117);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_KI_MAX__A, 0x0657);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_CLP_SUM__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_CLP_CYCCNT__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_CLP_DIR_WD__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_CLP_DIR_STP__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_SNS_SUM__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_SNS_CYCCNT__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_SNS_DIR_WD__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_SNS_DIR_STP__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_SNS_CYCLEN__A, 500);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_KI_CYCLEN__A, 500);
+ if (status < 0)
+ goto error;
+
+ /* Initialize inner-loop KI gain factors */
+ status = read16(state, SCU_RAM_AGC_KI__A, &data);
+ if (status < 0)
+ goto error;
+
+ data = 0x0657;
+ data &= ~SCU_RAM_AGC_KI_RF__M;
+ data |= (DRXK_KI_RAGC_QAM << SCU_RAM_AGC_KI_RF__B);
+ data &= ~SCU_RAM_AGC_KI_IF__M;
+ data |= (DRXK_KI_IAGC_QAM << SCU_RAM_AGC_KI_IF__B);
+
+ status = write16(state, SCU_RAM_AGC_KI__A, data);
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int DVBTQAMGetAccPktErr(struct drxk_state *state, u16 *packetErr)
+{
+ int status;
+
+ dprintk(1, "\n");
+ if (packetErr == NULL)
+ status = write16(state, SCU_RAM_FEC_ACCUM_PKT_FAILURES__A, 0);
+ else
+ status = read16(state, SCU_RAM_FEC_ACCUM_PKT_FAILURES__A, packetErr);
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int DVBTScCommand(struct drxk_state *state,
+ u16 cmd, u16 subcmd,
+ u16 param0, u16 param1, u16 param2,
+ u16 param3, u16 param4)
+{
+ u16 curCmd = 0;
+ u16 errCode = 0;
+ u16 retryCnt = 0;
+ u16 scExec = 0;
+ int status;
+
+ dprintk(1, "\n");
+ status = read16(state, OFDM_SC_COMM_EXEC__A, &scExec);
+ if (scExec != 1) {
+ /* SC is not running */
+ status = -EINVAL;
+ }
+ if (status < 0)
+ goto error;
+
+ /* Wait until sc is ready to receive command */
+ retryCnt = 0;
+ do {
+ msleep(1);
+ status = read16(state, OFDM_SC_RA_RAM_CMD__A, &curCmd);
+ retryCnt++;
+ } while ((curCmd != 0) && (retryCnt < DRXK_MAX_RETRIES));
+ if (retryCnt >= DRXK_MAX_RETRIES && (status < 0))
+ goto error;
+
+ /* Write sub-command */
+ switch (cmd) {
+ /* All commands using sub-cmd */
+ case OFDM_SC_RA_RAM_CMD_PROC_START:
+ case OFDM_SC_RA_RAM_CMD_SET_PREF_PARAM:
+ case OFDM_SC_RA_RAM_CMD_PROGRAM_PARAM:
+ status = write16(state, OFDM_SC_RA_RAM_CMD_ADDR__A, subcmd);
+ if (status < 0)
+ goto error;
+ break;
+ default:
+ /* Do nothing */
+ break;
+ }
+
+ /* Write needed parameters and the command */
+ switch (cmd) {
+ /* All commands using 5 parameters */
+ /* All commands using 4 parameters */
+ /* All commands using 3 parameters */
+ /* All commands using 2 parameters */
+ case OFDM_SC_RA_RAM_CMD_PROC_START:
+ case OFDM_SC_RA_RAM_CMD_SET_PREF_PARAM:
+ case OFDM_SC_RA_RAM_CMD_PROGRAM_PARAM:
+ status = write16(state, OFDM_SC_RA_RAM_PARAM1__A, param1);
+ /* All commands using 1 parameters */
+ case OFDM_SC_RA_RAM_CMD_SET_ECHO_TIMING:
+ case OFDM_SC_RA_RAM_CMD_USER_IO:
+ status = write16(state, OFDM_SC_RA_RAM_PARAM0__A, param0);
+ /* All commands using 0 parameters */
+ case OFDM_SC_RA_RAM_CMD_GET_OP_PARAM:
+ case OFDM_SC_RA_RAM_CMD_NULL:
+ /* Write command */
+ status = write16(state, OFDM_SC_RA_RAM_CMD__A, cmd);
+ break;
+ default:
+ /* Unknown command */
+ status = -EINVAL;
+ }
+ if (status < 0)
+ goto error;
+
+ /* Wait until sc is ready processing command */
+ retryCnt = 0;
+ do {
+ msleep(1);
+ status = read16(state, OFDM_SC_RA_RAM_CMD__A, &curCmd);
+ retryCnt++;
+ } while ((curCmd != 0) && (retryCnt < DRXK_MAX_RETRIES));
+ if (retryCnt >= DRXK_MAX_RETRIES && (status < 0))
+ goto error;
+
+ /* Check for illegal cmd */
+ status = read16(state, OFDM_SC_RA_RAM_CMD_ADDR__A, &errCode);
+ if (errCode == 0xFFFF) {
+ /* illegal command */
+ status = -EINVAL;
+ }
+ if (status < 0)
+ goto error;
+
+ /* Retreive results parameters from SC */
+ switch (cmd) {
+ /* All commands yielding 5 results */
+ /* All commands yielding 4 results */
+ /* All commands yielding 3 results */
+ /* All commands yielding 2 results */
+ /* All commands yielding 1 result */
+ case OFDM_SC_RA_RAM_CMD_USER_IO:
+ case OFDM_SC_RA_RAM_CMD_GET_OP_PARAM:
+ status = read16(state, OFDM_SC_RA_RAM_PARAM0__A, &(param0));
+ /* All commands yielding 0 results */
+ case OFDM_SC_RA_RAM_CMD_SET_ECHO_TIMING:
+ case OFDM_SC_RA_RAM_CMD_SET_TIMER:
+ case OFDM_SC_RA_RAM_CMD_PROC_START:
+ case OFDM_SC_RA_RAM_CMD_SET_PREF_PARAM:
+ case OFDM_SC_RA_RAM_CMD_PROGRAM_PARAM:
+ case OFDM_SC_RA_RAM_CMD_NULL:
+ break;
+ default:
+ /* Unknown command */
+ status = -EINVAL;
+ break;
+ } /* switch (cmd->cmd) */
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int PowerUpDVBT(struct drxk_state *state)
+{
+ enum DRXPowerMode powerMode = DRX_POWER_UP;
+ int status;
+
+ dprintk(1, "\n");
+ status = CtrlPowerMode(state, &powerMode);
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int DVBTCtrlSetIncEnable(struct drxk_state *state, bool *enabled)
+{
+ int status;
+
+ dprintk(1, "\n");
+ if (*enabled == true)
+ status = write16(state, IQM_CF_BYPASSDET__A, 0);
+ else
+ status = write16(state, IQM_CF_BYPASSDET__A, 1);
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+#define DEFAULT_FR_THRES_8K 4000
+static int DVBTCtrlSetFrEnable(struct drxk_state *state, bool *enabled)
+{
+
+ int status;
+
+ dprintk(1, "\n");
+ if (*enabled == true) {
+ /* write mask to 1 */
+ status = write16(state, OFDM_SC_RA_RAM_FR_THRES_8K__A,
+ DEFAULT_FR_THRES_8K);
+ } else {
+ /* write mask to 0 */
+ status = write16(state, OFDM_SC_RA_RAM_FR_THRES_8K__A, 0);
+ }
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+static int DVBTCtrlSetEchoThreshold(struct drxk_state *state,
+ struct DRXKCfgDvbtEchoThres_t *echoThres)
+{
+ u16 data = 0;
+ int status;
+
+ dprintk(1, "\n");
+ status = read16(state, OFDM_SC_RA_RAM_ECHO_THRES__A, &data);
+ if (status < 0)
+ goto error;
+
+ switch (echoThres->fftMode) {
+ case DRX_FFTMODE_2K:
+ data &= ~OFDM_SC_RA_RAM_ECHO_THRES_2K__M;
+ data |= ((echoThres->threshold <<
+ OFDM_SC_RA_RAM_ECHO_THRES_2K__B)
+ & (OFDM_SC_RA_RAM_ECHO_THRES_2K__M));
+ break;
+ case DRX_FFTMODE_8K:
+ data &= ~OFDM_SC_RA_RAM_ECHO_THRES_8K__M;
+ data |= ((echoThres->threshold <<
+ OFDM_SC_RA_RAM_ECHO_THRES_8K__B)
+ & (OFDM_SC_RA_RAM_ECHO_THRES_8K__M));
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ status = write16(state, OFDM_SC_RA_RAM_ECHO_THRES__A, data);
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int DVBTCtrlSetSqiSpeed(struct drxk_state *state,
+ enum DRXKCfgDvbtSqiSpeed *speed)
+{
+ int status = -EINVAL;
+
+ dprintk(1, "\n");
+
+ switch (*speed) {
+ case DRXK_DVBT_SQI_SPEED_FAST:
+ case DRXK_DVBT_SQI_SPEED_MEDIUM:
+ case DRXK_DVBT_SQI_SPEED_SLOW:
+ break;
+ default:
+ goto error;
+ }
+ status = write16(state, SCU_RAM_FEC_PRE_RS_BER_FILTER_SH__A,
+ (u16) *speed);
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+/*============================================================================*/
+
+/**
+* \brief Activate DVBT specific presets
+* \param demod instance of demodulator.
+* \return DRXStatus_t.
+*
+* Called in DVBTSetStandard
+*
+*/
+static int DVBTActivatePresets(struct drxk_state *state)
+{
+ int status;
+ bool setincenable = false;
+ bool setfrenable = true;
+
+ struct DRXKCfgDvbtEchoThres_t echoThres2k = { 0, DRX_FFTMODE_2K };
+ struct DRXKCfgDvbtEchoThres_t echoThres8k = { 0, DRX_FFTMODE_8K };
+
+ dprintk(1, "\n");
+ status = DVBTCtrlSetIncEnable(state, &setincenable);
+ if (status < 0)
+ goto error;
+ status = DVBTCtrlSetFrEnable(state, &setfrenable);
+ if (status < 0)
+ goto error;
+ status = DVBTCtrlSetEchoThreshold(state, &echoThres2k);
+ if (status < 0)
+ goto error;
+ status = DVBTCtrlSetEchoThreshold(state, &echoThres8k);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_AGC_INGAIN_TGT_MAX__A, state->m_dvbtIfAgcCfg.IngainTgtMax);
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+/*============================================================================*/
+
+/**
+* \brief Initialize channelswitch-independent settings for DVBT.
+* \param demod instance of demodulator.
+* \return DRXStatus_t.
+*
+* For ROM code channel filter taps are loaded from the bootloader. For microcode
+* the DVB-T taps from the drxk_filters.h are used.
+*/
+static int SetDVBTStandard(struct drxk_state *state,
+ enum OperationMode oMode)
+{
+ u16 cmdResult = 0;
+ u16 data = 0;
+ int status;
+
+ dprintk(1, "\n");
+
+ PowerUpDVBT(state);
+ /* added antenna switch */
+ SwitchAntennaToDVBT(state);
+ /* send OFDM reset command */
+ status = scu_command(state, SCU_RAM_COMMAND_STANDARD_OFDM | SCU_RAM_COMMAND_CMD_DEMOD_RESET, 0, NULL, 1, &cmdResult);
+ if (status < 0)
+ goto error;
+
+ /* send OFDM setenv command */
+ status = scu_command(state, SCU_RAM_COMMAND_STANDARD_OFDM | SCU_RAM_COMMAND_CMD_DEMOD_SET_ENV, 0, NULL, 1, &cmdResult);
+ if (status < 0)
+ goto error;
+
+ /* reset datapath for OFDM, processors first */
+ status = write16(state, OFDM_SC_COMM_EXEC__A, OFDM_SC_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_LC_COMM_EXEC__A, OFDM_LC_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_COMM_EXEC__A, IQM_COMM_EXEC_B_STOP);
+ if (status < 0)
+ goto error;
+
+ /* IQM setup */
+ /* synchronize on ofdstate->m_festart */
+ status = write16(state, IQM_AF_UPD_SEL__A, 1);
+ if (status < 0)
+ goto error;
+ /* window size for clipping ADC detection */
+ status = write16(state, IQM_AF_CLP_LEN__A, 0);
+ if (status < 0)
+ goto error;
+ /* window size for for sense pre-SAW detection */
+ status = write16(state, IQM_AF_SNS_LEN__A, 0);
+ if (status < 0)
+ goto error;
+ /* sense threshold for sense pre-SAW detection */
+ status = write16(state, IQM_AF_AMUX__A, IQM_AF_AMUX_SIGNAL2ADC);
+ if (status < 0)
+ goto error;
+ status = SetIqmAf(state, true);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, IQM_AF_AGC_RF__A, 0);
+ if (status < 0)
+ goto error;
+
+ /* Impulse noise cruncher setup */
+ status = write16(state, IQM_AF_INC_LCT__A, 0); /* crunch in IQM_CF */
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_DET_LCT__A, 0); /* detect in IQM_CF */
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_WND_LEN__A, 3); /* peak detector window length */
+ if (status < 0)
+ goto error;
+
+ status = write16(state, IQM_RC_STRETCH__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_OUT_ENA__A, 0x4); /* enable output 2 */
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_DS_ENA__A, 0x4); /* decimate output 2 */
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_SCALE__A, 1600);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_SCALE_SH__A, 0);
+ if (status < 0)
+ goto error;
+
+ /* virtual clipping threshold for clipping ADC detection */
+ status = write16(state, IQM_AF_CLP_TH__A, 448);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_DATATH__A, 495); /* crunching threshold */
+ if (status < 0)
+ goto error;
+
+ status = BLChainCmd(state, DRXK_BL_ROM_OFFSET_TAPS_DVBT, DRXK_BLCC_NR_ELEMENTS_TAPS, DRXK_BLC_TIMEOUT);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, IQM_CF_PKDTH__A, 2); /* peak detector threshold */
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_POW_MEAS_LEN__A, 2);
+ if (status < 0)
+ goto error;
+ /* enable power measurement interrupt */
+ status = write16(state, IQM_CF_COMM_INT_MSK__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_COMM_EXEC__A, IQM_COMM_EXEC_B_ACTIVE);
+ if (status < 0)
+ goto error;
+
+ /* IQM will not be reset from here, sync ADC and update/init AGC */
+ status = ADCSynchronization(state);
+ if (status < 0)
+ goto error;
+ status = SetPreSaw(state, &state->m_dvbtPreSawCfg);
+ if (status < 0)
+ goto error;
+
+ /* Halt SCU to enable safe non-atomic accesses */
+ status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_HOLD);
+ if (status < 0)
+ goto error;
+
+ status = SetAgcRf(state, &state->m_dvbtRfAgcCfg, true);
+ if (status < 0)
+ goto error;
+ status = SetAgcIf(state, &state->m_dvbtIfAgcCfg, true);
+ if (status < 0)
+ goto error;
+
+ /* Set Noise Estimation notch width and enable DC fix */
+ status = read16(state, OFDM_SC_RA_RAM_CONFIG__A, &data);
+ if (status < 0)
+ goto error;
+ data |= OFDM_SC_RA_RAM_CONFIG_NE_FIX_ENABLE__M;
+ status = write16(state, OFDM_SC_RA_RAM_CONFIG__A, data);
+ if (status < 0)
+ goto error;
+
+ /* Activate SCU to enable SCU commands */
+ status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_ACTIVE);
+ if (status < 0)
+ goto error;
+
+ if (!state->m_DRXK_A3_ROM_CODE) {
+ /* AGCInit() is not done for DVBT, so set agcFastClipCtrlDelay */
+ status = write16(state, SCU_RAM_AGC_FAST_CLP_CTRL_DELAY__A, state->m_dvbtIfAgcCfg.FastClipCtrlDelay);
+ if (status < 0)
+ goto error;
+ }
+
+ /* OFDM_SC setup */
+#ifdef COMPILE_FOR_NONRT
+ status = write16(state, OFDM_SC_RA_RAM_BE_OPT_DELAY__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_SC_RA_RAM_BE_OPT_INIT_DELAY__A, 2);
+ if (status < 0)
+ goto error;
+#endif
+
+ /* FEC setup */
+ status = write16(state, FEC_DI_INPUT_CTL__A, 1); /* OFDM input */
+ if (status < 0)
+ goto error;
+
+
+#ifdef COMPILE_FOR_NONRT
+ status = write16(state, FEC_RS_MEASUREMENT_PERIOD__A, 0x400);
+ if (status < 0)
+ goto error;
+#else
+ status = write16(state, FEC_RS_MEASUREMENT_PERIOD__A, 0x1000);
+ if (status < 0)
+ goto error;
+#endif
+ status = write16(state, FEC_RS_MEASUREMENT_PRESCALE__A, 0x0001);
+ if (status < 0)
+ goto error;
+
+ /* Setup MPEG bus */
+ status = MPEGTSDtoSetup(state, OM_DVBT);
+ if (status < 0)
+ goto error;
+ /* Set DVBT Presets */
+ status = DVBTActivatePresets(state);
+ if (status < 0)
+ goto error;
+
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+/*============================================================================*/
+/**
+* \brief Start dvbt demodulating for channel.
+* \param demod instance of demodulator.
+* \return DRXStatus_t.
+*/
+static int DVBTStart(struct drxk_state *state)
+{
+ u16 param1;
+ int status;
+ /* DRXKOfdmScCmd_t scCmd; */
+
+ dprintk(1, "\n");
+ /* Start correct processes to get in lock */
+ /* DRXK: OFDM_SC_RA_RAM_PROC_LOCKTRACK is no longer in mapfile! */
+ param1 = OFDM_SC_RA_RAM_LOCKTRACK_MIN;
+ status = DVBTScCommand(state, OFDM_SC_RA_RAM_CMD_PROC_START, 0, OFDM_SC_RA_RAM_SW_EVENT_RUN_NMASK__M, param1, 0, 0, 0);
+ if (status < 0)
+ goto error;
+ /* Start FEC OC */
+ status = MPEGTSStart(state);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_COMM_EXEC__A, FEC_COMM_EXEC_ACTIVE);
+ if (status < 0)
+ goto error;
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+
+/*============================================================================*/
+
+/**
+* \brief Set up dvbt demodulator for channel.
+* \param demod instance of demodulator.
+* \return DRXStatus_t.
+* // original DVBTSetChannel()
+*/
+static int SetDVBT(struct drxk_state *state, u16 IntermediateFreqkHz,
+ s32 tunerFreqOffset)
+{
+ u16 cmdResult = 0;
+ u16 transmissionParams = 0;
+ u16 operationMode = 0;
+ u32 iqmRcRateOfs = 0;
+ u32 bandwidth = 0;
+ u16 param1;
+ int status;
+
+ dprintk(1, "IF =%d, TFO = %d\n", IntermediateFreqkHz, tunerFreqOffset);
+
+ status = scu_command(state, SCU_RAM_COMMAND_STANDARD_OFDM | SCU_RAM_COMMAND_CMD_DEMOD_STOP, 0, NULL, 1, &cmdResult);
+ if (status < 0)
+ goto error;
+
+ /* Halt SCU to enable safe non-atomic accesses */
+ status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_HOLD);
+ if (status < 0)
+ goto error;
+
+ /* Stop processors */
+ status = write16(state, OFDM_SC_COMM_EXEC__A, OFDM_SC_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_LC_COMM_EXEC__A, OFDM_LC_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+
+ /* Mandatory fix, always stop CP, required to set spl offset back to
+ hardware default (is set to 0 by ucode during pilot detection */
+ status = write16(state, OFDM_CP_COMM_EXEC__A, OFDM_CP_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+
+ /*== Write channel settings to device =====================================*/
+
+ /* mode */
+ switch (state->props.transmission_mode) {
+ case TRANSMISSION_MODE_AUTO:
+ default:
+ operationMode |= OFDM_SC_RA_RAM_OP_AUTO_MODE__M;
+ /* fall through , try first guess DRX_FFTMODE_8K */
+ case TRANSMISSION_MODE_8K:
+ transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_MODE_8K;
+ break;
+ case TRANSMISSION_MODE_2K:
+ transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_MODE_2K;
+ break;
+ }
+
+ /* guard */
+ switch (state->props.guard_interval) {
+ default:
+ case GUARD_INTERVAL_AUTO:
+ operationMode |= OFDM_SC_RA_RAM_OP_AUTO_GUARD__M;
+ /* fall through , try first guess DRX_GUARD_1DIV4 */
+ case GUARD_INTERVAL_1_4:
+ transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_GUARD_4;
+ break;
+ case GUARD_INTERVAL_1_32:
+ transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_GUARD_32;
+ break;
+ case GUARD_INTERVAL_1_16:
+ transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_GUARD_16;
+ break;
+ case GUARD_INTERVAL_1_8:
+ transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_GUARD_8;
+ break;
+ }
+
+ /* hierarchy */
+ switch (state->props.hierarchy) {
+ case HIERARCHY_AUTO:
+ case HIERARCHY_NONE:
+ default:
+ operationMode |= OFDM_SC_RA_RAM_OP_AUTO_HIER__M;
+ /* fall through , try first guess SC_RA_RAM_OP_PARAM_HIER_NO */
+ /* transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_HIER_NO; */
+ /* break; */
+ case HIERARCHY_1:
+ transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_HIER_A1;
+ break;
+ case HIERARCHY_2:
+ transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_HIER_A2;
+ break;
+ case HIERARCHY_4:
+ transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_HIER_A4;
+ break;
+ }
+
+
+ /* modulation */
+ switch (state->props.modulation) {
+ case QAM_AUTO:
+ default:
+ operationMode |= OFDM_SC_RA_RAM_OP_AUTO_CONST__M;
+ /* fall through , try first guess DRX_CONSTELLATION_QAM64 */
+ case QAM_64:
+ transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_CONST_QAM64;
+ break;
+ case QPSK:
+ transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_CONST_QPSK;
+ break;
+ case QAM_16:
+ transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_CONST_QAM16;
+ break;
+ }
+#if 0
+ /* No hierachical channels support in BDA */
+ /* Priority (only for hierarchical channels) */
+ switch (channel->priority) {
+ case DRX_PRIORITY_LOW:
+ transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_PRIO_LO;
+ WR16(devAddr, OFDM_EC_SB_PRIOR__A,
+ OFDM_EC_SB_PRIOR_LO);
+ break;
+ case DRX_PRIORITY_HIGH:
+ transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_PRIO_HI;
+ WR16(devAddr, OFDM_EC_SB_PRIOR__A,
+ OFDM_EC_SB_PRIOR_HI));
+ break;
+ case DRX_PRIORITY_UNKNOWN: /* fall through */
+ default:
+ status = -EINVAL;
+ goto error;
+ }
+#else
+ /* Set Priorty high */
+ transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_PRIO_HI;
+ status = write16(state, OFDM_EC_SB_PRIOR__A, OFDM_EC_SB_PRIOR_HI);
+ if (status < 0)
+ goto error;
+#endif
+
+ /* coderate */
+ switch (state->props.code_rate_HP) {
+ case FEC_AUTO:
+ default:
+ operationMode |= OFDM_SC_RA_RAM_OP_AUTO_RATE__M;
+ /* fall through , try first guess DRX_CODERATE_2DIV3 */
+ case FEC_2_3:
+ transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_RATE_2_3;
+ break;
+ case FEC_1_2:
+ transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_RATE_1_2;
+ break;
+ case FEC_3_4:
+ transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_RATE_3_4;
+ break;
+ case FEC_5_6:
+ transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_RATE_5_6;
+ break;
+ case FEC_7_8:
+ transmissionParams |= OFDM_SC_RA_RAM_OP_PARAM_RATE_7_8;
+ break;
+ }
+
+ /* SAW filter selection: normaly not necesarry, but if wanted
+ the application can select a SAW filter via the driver by using UIOs */
+ /* First determine real bandwidth (Hz) */
+ /* Also set delay for impulse noise cruncher */
+ /* Also set parameters for EC_OC fix, note EC_OC_REG_TMD_HIL_MAR is changed
+ by SC for fix for some 8K,1/8 guard but is restored by InitEC and ResetEC
+ functions */
+ switch (state->props.bandwidth_hz) {
+ case 0:
+ state->props.bandwidth_hz = 8000000;
+ /* fall though */
+ case 8000000:
+ bandwidth = DRXK_BANDWIDTH_8MHZ_IN_HZ;
+ status = write16(state, OFDM_SC_RA_RAM_SRMM_FIX_FACT_8K__A, 3052);
+ if (status < 0)
+ goto error;
+ /* cochannel protection for PAL 8 MHz */
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_8K_PER_LEFT__A, 7);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_8K_PER_RIGHT__A, 7);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_2K_PER_LEFT__A, 7);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_2K_PER_RIGHT__A, 1);
+ if (status < 0)
+ goto error;
+ break;
+ case 7000000:
+ bandwidth = DRXK_BANDWIDTH_7MHZ_IN_HZ;
+ status = write16(state, OFDM_SC_RA_RAM_SRMM_FIX_FACT_8K__A, 3491);
+ if (status < 0)
+ goto error;
+ /* cochannel protection for PAL 7 MHz */
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_8K_PER_LEFT__A, 8);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_8K_PER_RIGHT__A, 8);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_2K_PER_LEFT__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_2K_PER_RIGHT__A, 1);
+ if (status < 0)
+ goto error;
+ break;
+ case 6000000:
+ bandwidth = DRXK_BANDWIDTH_6MHZ_IN_HZ;
+ status = write16(state, OFDM_SC_RA_RAM_SRMM_FIX_FACT_8K__A, 4073);
+ if (status < 0)
+ goto error;
+ /* cochannel protection for NTSC 6 MHz */
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_8K_PER_LEFT__A, 19);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_8K_PER_RIGHT__A, 19);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_2K_PER_LEFT__A, 14);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_SC_RA_RAM_NI_INIT_2K_PER_RIGHT__A, 1);
+ if (status < 0)
+ goto error;
+ break;
+ default:
+ status = -EINVAL;
+ goto error;
+ }
+
+ if (iqmRcRateOfs == 0) {
+ /* Now compute IQM_RC_RATE_OFS
+ (((SysFreq/BandWidth)/2)/2) -1) * 2^23)
+ =>
+ ((SysFreq / BandWidth) * (2^21)) - (2^23)
+ */
+ /* (SysFreq / BandWidth) * (2^28) */
+ /* assert (MAX(sysClk)/MIN(bandwidth) < 16)
+ => assert(MAX(sysClk) < 16*MIN(bandwidth))
+ => assert(109714272 > 48000000) = true so Frac 28 can be used */
+ iqmRcRateOfs = Frac28a((u32)
+ ((state->m_sysClockFreq *
+ 1000) / 3), bandwidth);
+ /* (SysFreq / BandWidth) * (2^21), rounding before truncating */
+ if ((iqmRcRateOfs & 0x7fL) >= 0x40)
+ iqmRcRateOfs += 0x80L;
+ iqmRcRateOfs = iqmRcRateOfs >> 7;
+ /* ((SysFreq / BandWidth) * (2^21)) - (2^23) */
+ iqmRcRateOfs = iqmRcRateOfs - (1 << 23);
+ }
+
+ iqmRcRateOfs &=
+ ((((u32) IQM_RC_RATE_OFS_HI__M) <<
+ IQM_RC_RATE_OFS_LO__W) | IQM_RC_RATE_OFS_LO__M);
+ status = write32(state, IQM_RC_RATE_OFS_LO__A, iqmRcRateOfs);
+ if (status < 0)
+ goto error;
+
+ /* Bandwidth setting done */
+
+#if 0
+ status = DVBTSetFrequencyShift(demod, channel, tunerOffset);
+ if (status < 0)
+ goto error;
+#endif
+ status = SetFrequencyShifter(state, IntermediateFreqkHz, tunerFreqOffset, true);
+ if (status < 0)
+ goto error;
+
+ /*== Start SC, write channel settings to SC ===============================*/
+
+ /* Activate SCU to enable SCU commands */
+ status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_ACTIVE);
+ if (status < 0)
+ goto error;
+
+ /* Enable SC after setting all other parameters */
+ status = write16(state, OFDM_SC_COMM_STATE__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, OFDM_SC_COMM_EXEC__A, 1);
+ if (status < 0)
+ goto error;
+
+
+ status = scu_command(state, SCU_RAM_COMMAND_STANDARD_OFDM | SCU_RAM_COMMAND_CMD_DEMOD_START, 0, NULL, 1, &cmdResult);
+ if (status < 0)
+ goto error;
+
+ /* Write SC parameter registers, set all AUTO flags in operation mode */
+ param1 = (OFDM_SC_RA_RAM_OP_AUTO_MODE__M |
+ OFDM_SC_RA_RAM_OP_AUTO_GUARD__M |
+ OFDM_SC_RA_RAM_OP_AUTO_CONST__M |
+ OFDM_SC_RA_RAM_OP_AUTO_HIER__M |
+ OFDM_SC_RA_RAM_OP_AUTO_RATE__M);
+ status = DVBTScCommand(state, OFDM_SC_RA_RAM_CMD_SET_PREF_PARAM,
+ 0, transmissionParams, param1, 0, 0, 0);
+ if (status < 0)
+ goto error;
+
+ if (!state->m_DRXK_A3_ROM_CODE)
+ status = DVBTCtrlSetSqiSpeed(state, &state->m_sqiSpeed);
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+
+/*============================================================================*/
+
+/**
+* \brief Retreive lock status .
+* \param demod Pointer to demodulator instance.
+* \param lockStat Pointer to lock status structure.
+* \return DRXStatus_t.
+*
+*/
+static int GetDVBTLockStatus(struct drxk_state *state, u32 *pLockStatus)
+{
+ int status;
+ const u16 mpeg_lock_mask = (OFDM_SC_RA_RAM_LOCK_MPEG__M |
+ OFDM_SC_RA_RAM_LOCK_FEC__M);
+ const u16 fec_lock_mask = (OFDM_SC_RA_RAM_LOCK_FEC__M);
+ const u16 demod_lock_mask = OFDM_SC_RA_RAM_LOCK_DEMOD__M;
+
+ u16 ScRaRamLock = 0;
+ u16 ScCommExec = 0;
+
+ dprintk(1, "\n");
+
+ *pLockStatus = NOT_LOCKED;
+ /* driver 0.9.0 */
+ /* Check if SC is running */
+ status = read16(state, OFDM_SC_COMM_EXEC__A, &ScCommExec);
+ if (status < 0)
+ goto end;
+ if (ScCommExec == OFDM_SC_COMM_EXEC_STOP)
+ goto end;
+
+ status = read16(state, OFDM_SC_RA_RAM_LOCK__A, &ScRaRamLock);
+ if (status < 0)
+ goto end;
+
+ if ((ScRaRamLock & mpeg_lock_mask) == mpeg_lock_mask)
+ *pLockStatus = MPEG_LOCK;
+ else if ((ScRaRamLock & fec_lock_mask) == fec_lock_mask)
+ *pLockStatus = FEC_LOCK;
+ else if ((ScRaRamLock & demod_lock_mask) == demod_lock_mask)
+ *pLockStatus = DEMOD_LOCK;
+ else if (ScRaRamLock & OFDM_SC_RA_RAM_LOCK_NODVBT__M)
+ *pLockStatus = NEVER_LOCK;
+end:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+static int PowerUpQAM(struct drxk_state *state)
+{
+ enum DRXPowerMode powerMode = DRXK_POWER_DOWN_OFDM;
+ int status;
+
+ dprintk(1, "\n");
+ status = CtrlPowerMode(state, &powerMode);
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+
+/** Power Down QAM */
+static int PowerDownQAM(struct drxk_state *state)
+{
+ u16 data = 0;
+ u16 cmdResult;
+ int status = 0;
+
+ dprintk(1, "\n");
+ status = read16(state, SCU_COMM_EXEC__A, &data);
+ if (status < 0)
+ goto error;
+ if (data == SCU_COMM_EXEC_ACTIVE) {
+ /*
+ STOP demodulator
+ QAM and HW blocks
+ */
+ /* stop all comstate->m_exec */
+ status = write16(state, QAM_COMM_EXEC__A, QAM_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+ status = scu_command(state, SCU_RAM_COMMAND_STANDARD_QAM | SCU_RAM_COMMAND_CMD_DEMOD_STOP, 0, NULL, 1, &cmdResult);
+ if (status < 0)
+ goto error;
+ }
+ /* powerdown AFE */
+ status = SetIqmAf(state, false);
+
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+/*============================================================================*/
+
+/**
+* \brief Setup of the QAM Measurement intervals for signal quality
+* \param demod instance of demod.
+* \param modulation current modulation.
+* \return DRXStatus_t.
+*
+* NOTE:
+* Take into account that for certain settings the errorcounters can overflow.
+* The implementation does not check this.
+*
+*/
+static int SetQAMMeasurement(struct drxk_state *state,
+ enum EDrxkConstellation modulation,
+ u32 symbolRate)
+{
+ u32 fecBitsDesired = 0; /* BER accounting period */
+ u32 fecRsPeriodTotal = 0; /* Total period */
+ u16 fecRsPrescale = 0; /* ReedSolomon Measurement Prescale */
+ u16 fecRsPeriod = 0; /* Value for corresponding I2C register */
+ int status = 0;
+
+ dprintk(1, "\n");
+
+ fecRsPrescale = 1;
+ /* fecBitsDesired = symbolRate [kHz] *
+ FrameLenght [ms] *
+ (modulation + 1) *
+ SyncLoss (== 1) *
+ ViterbiLoss (==1)
+ */
+ switch (modulation) {
+ case DRX_CONSTELLATION_QAM16:
+ fecBitsDesired = 4 * symbolRate;
+ break;
+ case DRX_CONSTELLATION_QAM32:
+ fecBitsDesired = 5 * symbolRate;
+ break;
+ case DRX_CONSTELLATION_QAM64:
+ fecBitsDesired = 6 * symbolRate;
+ break;
+ case DRX_CONSTELLATION_QAM128:
+ fecBitsDesired = 7 * symbolRate;
+ break;
+ case DRX_CONSTELLATION_QAM256:
+ fecBitsDesired = 8 * symbolRate;
+ break;
+ default:
+ status = -EINVAL;
+ }
+ if (status < 0)
+ goto error;
+
+ fecBitsDesired /= 1000; /* symbolRate [Hz] -> symbolRate [kHz] */
+ fecBitsDesired *= 500; /* meas. period [ms] */
+
+ /* Annex A/C: bits/RsPeriod = 204 * 8 = 1632 */
+ /* fecRsPeriodTotal = fecBitsDesired / 1632 */
+ fecRsPeriodTotal = (fecBitsDesired / 1632UL) + 1; /* roughly ceil */
+
+ /* fecRsPeriodTotal = fecRsPrescale * fecRsPeriod */
+ fecRsPrescale = 1 + (u16) (fecRsPeriodTotal >> 16);
+ if (fecRsPrescale == 0) {
+ /* Divide by zero (though impossible) */
+ status = -EINVAL;
+ if (status < 0)
+ goto error;
+ }
+ fecRsPeriod =
+ ((u16) fecRsPeriodTotal +
+ (fecRsPrescale >> 1)) / fecRsPrescale;
+
+ /* write corresponding registers */
+ status = write16(state, FEC_RS_MEASUREMENT_PERIOD__A, fecRsPeriod);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_RS_MEASUREMENT_PRESCALE__A, fecRsPrescale);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_OC_SNC_FAIL_PERIOD__A, fecRsPeriod);
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int SetQAM16(struct drxk_state *state)
+{
+ int status = 0;
+
+ dprintk(1, "\n");
+ /* QAM Equalizer Setup */
+ /* Equalizer */
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD0__A, 13517);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD1__A, 13517);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD2__A, 13517);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD3__A, 13517);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD4__A, 13517);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD5__A, 13517);
+ if (status < 0)
+ goto error;
+ /* Decision Feedback Equalizer */
+ status = write16(state, QAM_DQ_QUAL_FUN0__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN1__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN2__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN3__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN4__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN5__A, 0);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, QAM_SY_SYNC_HWM__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_SY_SYNC_AWM__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_SY_SYNC_LWM__A, 3);
+ if (status < 0)
+ goto error;
+
+ /* QAM Slicer Settings */
+ status = write16(state, SCU_RAM_QAM_SL_SIG_POWER__A, DRXK_QAM_SL_SIG_POWER_QAM16);
+ if (status < 0)
+ goto error;
+
+ /* QAM Loop Controller Coeficients */
+ status = write16(state, SCU_RAM_QAM_LC_CA_FINE__A, 15);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CA_COARSE__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_FINE__A, 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_MEDIUM__A, 24);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_COARSE__A, 24);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_FINE__A, 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_MEDIUM__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_COARSE__A, 16);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_QAM_LC_CP_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CP_MEDIUM__A, 20);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CP_COARSE__A, 80);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_MEDIUM__A, 20);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_COARSE__A, 50);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_FINE__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_MEDIUM__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_COARSE__A, 32);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_MEDIUM__A, 10);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_COARSE__A, 10);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM State Machine (FSM) Thresholds */
+
+ status = write16(state, SCU_RAM_QAM_FSM_RTH__A, 140);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_FTH__A, 50);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_CTH__A, 95);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_PTH__A, 120);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_QTH__A, 230);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_MTH__A, 105);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_QAM_FSM_RATE_LIM__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_COUNT_LIM__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_FREQ_LIM__A, 24);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM FSM Tracking Parameters */
+
+ status = write16(state, SCU_RAM_QAM_FSM_MEDIAN_AV_MULT__A, (u16) 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_RADIUS_AV_LIMIT__A, (u16) 220);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET1__A, (u16) 25);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET2__A, (u16) 6);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET3__A, (u16) -24);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET4__A, (u16) -65);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET5__A, (u16) -127);
+ if (status < 0)
+ goto error;
+
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+/*============================================================================*/
+
+/**
+* \brief QAM32 specific setup
+* \param demod instance of demod.
+* \return DRXStatus_t.
+*/
+static int SetQAM32(struct drxk_state *state)
+{
+ int status = 0;
+
+ dprintk(1, "\n");
+
+ /* QAM Equalizer Setup */
+ /* Equalizer */
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD0__A, 6707);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD1__A, 6707);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD2__A, 6707);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD3__A, 6707);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD4__A, 6707);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD5__A, 6707);
+ if (status < 0)
+ goto error;
+
+ /* Decision Feedback Equalizer */
+ status = write16(state, QAM_DQ_QUAL_FUN0__A, 3);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN1__A, 3);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN2__A, 3);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN3__A, 3);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN4__A, 3);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN5__A, 0);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, QAM_SY_SYNC_HWM__A, 6);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_SY_SYNC_AWM__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_SY_SYNC_LWM__A, 3);
+ if (status < 0)
+ goto error;
+
+ /* QAM Slicer Settings */
+
+ status = write16(state, SCU_RAM_QAM_SL_SIG_POWER__A, DRXK_QAM_SL_SIG_POWER_QAM32);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM Loop Controller Coeficients */
+
+ status = write16(state, SCU_RAM_QAM_LC_CA_FINE__A, 15);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CA_COARSE__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_FINE__A, 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_MEDIUM__A, 24);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_COARSE__A, 24);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_FINE__A, 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_MEDIUM__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_COARSE__A, 16);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_QAM_LC_CP_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CP_MEDIUM__A, 20);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CP_COARSE__A, 80);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_MEDIUM__A, 20);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_COARSE__A, 50);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_FINE__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_MEDIUM__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_COARSE__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_MEDIUM__A, 10);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_COARSE__A, 0);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM State Machine (FSM) Thresholds */
+
+ status = write16(state, SCU_RAM_QAM_FSM_RTH__A, 90);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_FTH__A, 50);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_CTH__A, 80);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_PTH__A, 100);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_QTH__A, 170);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_MTH__A, 100);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_QAM_FSM_RATE_LIM__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_COUNT_LIM__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_FREQ_LIM__A, 10);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM FSM Tracking Parameters */
+
+ status = write16(state, SCU_RAM_QAM_FSM_MEDIAN_AV_MULT__A, (u16) 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_RADIUS_AV_LIMIT__A, (u16) 140);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET1__A, (u16) -8);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET2__A, (u16) -16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET3__A, (u16) -26);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET4__A, (u16) -56);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET5__A, (u16) -86);
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+/*============================================================================*/
+
+/**
+* \brief QAM64 specific setup
+* \param demod instance of demod.
+* \return DRXStatus_t.
+*/
+static int SetQAM64(struct drxk_state *state)
+{
+ int status = 0;
+
+ dprintk(1, "\n");
+ /* QAM Equalizer Setup */
+ /* Equalizer */
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD0__A, 13336);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD1__A, 12618);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD2__A, 11988);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD3__A, 13809);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD4__A, 13809);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD5__A, 15609);
+ if (status < 0)
+ goto error;
+
+ /* Decision Feedback Equalizer */
+ status = write16(state, QAM_DQ_QUAL_FUN0__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN1__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN2__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN3__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN4__A, 3);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN5__A, 0);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, QAM_SY_SYNC_HWM__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_SY_SYNC_AWM__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_SY_SYNC_LWM__A, 3);
+ if (status < 0)
+ goto error;
+
+ /* QAM Slicer Settings */
+ status = write16(state, SCU_RAM_QAM_SL_SIG_POWER__A, DRXK_QAM_SL_SIG_POWER_QAM64);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM Loop Controller Coeficients */
+
+ status = write16(state, SCU_RAM_QAM_LC_CA_FINE__A, 15);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CA_COARSE__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_FINE__A, 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_MEDIUM__A, 24);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_COARSE__A, 24);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_FINE__A, 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_MEDIUM__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_COARSE__A, 16);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_QAM_LC_CP_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CP_MEDIUM__A, 30);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CP_COARSE__A, 100);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_MEDIUM__A, 30);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_COARSE__A, 50);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_FINE__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_MEDIUM__A, 25);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_COARSE__A, 48);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_MEDIUM__A, 10);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_COARSE__A, 10);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM State Machine (FSM) Thresholds */
+
+ status = write16(state, SCU_RAM_QAM_FSM_RTH__A, 100);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_FTH__A, 60);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_CTH__A, 80);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_PTH__A, 110);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_QTH__A, 200);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_MTH__A, 95);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_QAM_FSM_RATE_LIM__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_COUNT_LIM__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_FREQ_LIM__A, 15);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM FSM Tracking Parameters */
+
+ status = write16(state, SCU_RAM_QAM_FSM_MEDIAN_AV_MULT__A, (u16) 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_RADIUS_AV_LIMIT__A, (u16) 141);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET1__A, (u16) 7);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET2__A, (u16) 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET3__A, (u16) -15);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET4__A, (u16) -45);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET5__A, (u16) -80);
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+/*============================================================================*/
+
+/**
+* \brief QAM128 specific setup
+* \param demod: instance of demod.
+* \return DRXStatus_t.
+*/
+static int SetQAM128(struct drxk_state *state)
+{
+ int status = 0;
+
+ dprintk(1, "\n");
+ /* QAM Equalizer Setup */
+ /* Equalizer */
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD0__A, 6564);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD1__A, 6598);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD2__A, 6394);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD3__A, 6409);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD4__A, 6656);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD5__A, 7238);
+ if (status < 0)
+ goto error;
+
+ /* Decision Feedback Equalizer */
+ status = write16(state, QAM_DQ_QUAL_FUN0__A, 6);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN1__A, 6);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN2__A, 6);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN3__A, 6);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN4__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN5__A, 0);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, QAM_SY_SYNC_HWM__A, 6);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_SY_SYNC_AWM__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_SY_SYNC_LWM__A, 3);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM Slicer Settings */
+
+ status = write16(state, SCU_RAM_QAM_SL_SIG_POWER__A, DRXK_QAM_SL_SIG_POWER_QAM128);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM Loop Controller Coeficients */
+
+ status = write16(state, SCU_RAM_QAM_LC_CA_FINE__A, 15);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CA_COARSE__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_FINE__A, 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_MEDIUM__A, 24);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_COARSE__A, 24);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_FINE__A, 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_MEDIUM__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_COARSE__A, 16);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_QAM_LC_CP_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CP_MEDIUM__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CP_COARSE__A, 120);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_MEDIUM__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_COARSE__A, 60);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_FINE__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_MEDIUM__A, 25);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_COARSE__A, 64);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_MEDIUM__A, 10);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_COARSE__A, 0);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM State Machine (FSM) Thresholds */
+
+ status = write16(state, SCU_RAM_QAM_FSM_RTH__A, 50);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_FTH__A, 60);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_CTH__A, 80);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_PTH__A, 100);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_QTH__A, 140);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_MTH__A, 100);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_QAM_FSM_RATE_LIM__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_COUNT_LIM__A, 5);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_QAM_FSM_FREQ_LIM__A, 12);
+ if (status < 0)
+ goto error;
+
+ /* QAM FSM Tracking Parameters */
+
+ status = write16(state, SCU_RAM_QAM_FSM_MEDIAN_AV_MULT__A, (u16) 8);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_RADIUS_AV_LIMIT__A, (u16) 65);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET1__A, (u16) 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET2__A, (u16) 3);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET3__A, (u16) -1);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET4__A, (u16) -12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET5__A, (u16) -23);
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+/*============================================================================*/
+
+/**
+* \brief QAM256 specific setup
+* \param demod: instance of demod.
+* \return DRXStatus_t.
+*/
+static int SetQAM256(struct drxk_state *state)
+{
+ int status = 0;
+
+ dprintk(1, "\n");
+ /* QAM Equalizer Setup */
+ /* Equalizer */
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD0__A, 11502);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD1__A, 12084);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD2__A, 12543);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD3__A, 12931);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD4__A, 13629);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_EQ_CMA_RAD5__A, 15385);
+ if (status < 0)
+ goto error;
+
+ /* Decision Feedback Equalizer */
+ status = write16(state, QAM_DQ_QUAL_FUN0__A, 8);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN1__A, 8);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN2__A, 8);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN3__A, 8);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN4__A, 6);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_DQ_QUAL_FUN5__A, 0);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, QAM_SY_SYNC_HWM__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_SY_SYNC_AWM__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_SY_SYNC_LWM__A, 3);
+ if (status < 0)
+ goto error;
+
+ /* QAM Slicer Settings */
+
+ status = write16(state, SCU_RAM_QAM_SL_SIG_POWER__A, DRXK_QAM_SL_SIG_POWER_QAM256);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM Loop Controller Coeficients */
+
+ status = write16(state, SCU_RAM_QAM_LC_CA_FINE__A, 15);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CA_COARSE__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_FINE__A, 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_MEDIUM__A, 24);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EP_COARSE__A, 24);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_FINE__A, 12);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_MEDIUM__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_EI_COARSE__A, 16);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_QAM_LC_CP_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CP_MEDIUM__A, 50);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CP_COARSE__A, 250);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_MEDIUM__A, 50);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CI_COARSE__A, 125);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_FINE__A, 16);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_MEDIUM__A, 25);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF_COARSE__A, 48);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_FINE__A, 5);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_MEDIUM__A, 10);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_LC_CF1_COARSE__A, 10);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM State Machine (FSM) Thresholds */
+
+ status = write16(state, SCU_RAM_QAM_FSM_RTH__A, 50);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_FTH__A, 60);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_CTH__A, 80);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_PTH__A, 100);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_QTH__A, 150);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_MTH__A, 110);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SCU_RAM_QAM_FSM_RATE_LIM__A, 40);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_COUNT_LIM__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_FREQ_LIM__A, 12);
+ if (status < 0)
+ goto error;
+
+
+ /* QAM FSM Tracking Parameters */
+
+ status = write16(state, SCU_RAM_QAM_FSM_MEDIAN_AV_MULT__A, (u16) 8);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_RADIUS_AV_LIMIT__A, (u16) 74);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET1__A, (u16) 18);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET2__A, (u16) 13);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET3__A, (u16) 7);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET4__A, (u16) 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_RAM_QAM_FSM_LCAVG_OFFSET5__A, (u16) -8);
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+
+/*============================================================================*/
+/**
+* \brief Reset QAM block.
+* \param demod: instance of demod.
+* \param channel: pointer to channel data.
+* \return DRXStatus_t.
+*/
+static int QAMResetQAM(struct drxk_state *state)
+{
+ int status;
+ u16 cmdResult;
+
+ dprintk(1, "\n");
+ /* Stop QAM comstate->m_exec */
+ status = write16(state, QAM_COMM_EXEC__A, QAM_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+
+ status = scu_command(state, SCU_RAM_COMMAND_STANDARD_QAM | SCU_RAM_COMMAND_CMD_DEMOD_RESET, 0, NULL, 1, &cmdResult);
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+/*============================================================================*/
+
+/**
+* \brief Set QAM symbolrate.
+* \param demod: instance of demod.
+* \param channel: pointer to channel data.
+* \return DRXStatus_t.
+*/
+static int QAMSetSymbolrate(struct drxk_state *state)
+{
+ u32 adcFrequency = 0;
+ u32 symbFreq = 0;
+ u32 iqmRcRate = 0;
+ u16 ratesel = 0;
+ u32 lcSymbRate = 0;
+ int status;
+
+ dprintk(1, "\n");
+ /* Select & calculate correct IQM rate */
+ adcFrequency = (state->m_sysClockFreq * 1000) / 3;
+ ratesel = 0;
+ /* printk(KERN_DEBUG "drxk: SR %d\n", state->props.symbol_rate); */
+ if (state->props.symbol_rate <= 1188750)
+ ratesel = 3;
+ else if (state->props.symbol_rate <= 2377500)
+ ratesel = 2;
+ else if (state->props.symbol_rate <= 4755000)
+ ratesel = 1;
+ status = write16(state, IQM_FD_RATESEL__A, ratesel);
+ if (status < 0)
+ goto error;
+
+ /*
+ IqmRcRate = ((Fadc / (symbolrate * (4<<ratesel))) - 1) * (1<<23)
+ */
+ symbFreq = state->props.symbol_rate * (1 << ratesel);
+ if (symbFreq == 0) {
+ /* Divide by zero */
+ status = -EINVAL;
+ goto error;
+ }
+ iqmRcRate = (adcFrequency / symbFreq) * (1 << 21) +
+ (Frac28a((adcFrequency % symbFreq), symbFreq) >> 7) -
+ (1 << 23);
+ status = write32(state, IQM_RC_RATE_OFS_LO__A, iqmRcRate);
+ if (status < 0)
+ goto error;
+ state->m_iqmRcRate = iqmRcRate;
+ /*
+ LcSymbFreq = round (.125 * symbolrate / adcFreq * (1<<15))
+ */
+ symbFreq = state->props.symbol_rate;
+ if (adcFrequency == 0) {
+ /* Divide by zero */
+ status = -EINVAL;
+ goto error;
+ }
+ lcSymbRate = (symbFreq / adcFrequency) * (1 << 12) +
+ (Frac28a((symbFreq % adcFrequency), adcFrequency) >>
+ 16);
+ if (lcSymbRate > 511)
+ lcSymbRate = 511;
+ status = write16(state, QAM_LC_SYMBOL_FREQ__A, (u16) lcSymbRate);
+
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+/*============================================================================*/
+
+/**
+* \brief Get QAM lock status.
+* \param demod: instance of demod.
+* \param channel: pointer to channel data.
+* \return DRXStatus_t.
+*/
+
+static int GetQAMLockStatus(struct drxk_state *state, u32 *pLockStatus)
+{
+ int status;
+ u16 Result[2] = { 0, 0 };
+
+ dprintk(1, "\n");
+ *pLockStatus = NOT_LOCKED;
+ status = scu_command(state,
+ SCU_RAM_COMMAND_STANDARD_QAM |
+ SCU_RAM_COMMAND_CMD_DEMOD_GET_LOCK, 0, NULL, 2,
+ Result);
+ if (status < 0)
+ printk(KERN_ERR "drxk: %s status = %08x\n", __func__, status);
+
+ if (Result[1] < SCU_RAM_QAM_LOCKED_LOCKED_DEMOD_LOCKED) {
+ /* 0x0000 NOT LOCKED */
+ } else if (Result[1] < SCU_RAM_QAM_LOCKED_LOCKED_LOCKED) {
+ /* 0x4000 DEMOD LOCKED */
+ *pLockStatus = DEMOD_LOCK;
+ } else if (Result[1] < SCU_RAM_QAM_LOCKED_LOCKED_NEVER_LOCK) {
+ /* 0x8000 DEMOD + FEC LOCKED (system lock) */
+ *pLockStatus = MPEG_LOCK;
+ } else {
+ /* 0xC000 NEVER LOCKED */
+ /* (system will never be able to lock to the signal) */
+ /* TODO: check this, intermediate & standard specific lock states are not
+ taken into account here */
+ *pLockStatus = NEVER_LOCK;
+ }
+ return status;
+}
+
+#define QAM_MIRROR__M 0x03
+#define QAM_MIRROR_NORMAL 0x00
+#define QAM_MIRRORED 0x01
+#define QAM_MIRROR_AUTO_ON 0x02
+#define QAM_LOCKRANGE__M 0x10
+#define QAM_LOCKRANGE_NORMAL 0x10
+
+static int SetQAM(struct drxk_state *state, u16 IntermediateFreqkHz,
+ s32 tunerFreqOffset)
+{
+ int status;
+ u16 setParamParameters[4] = { 0, 0, 0, 0 };
+ u16 cmdResult;
+
+ dprintk(1, "\n");
+ /*
+ * STEP 1: reset demodulator
+ * resets FEC DI and FEC RS
+ * resets QAM block
+ * resets SCU variables
+ */
+ status = write16(state, FEC_DI_COMM_EXEC__A, FEC_DI_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_RS_COMM_EXEC__A, FEC_RS_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+ status = QAMResetQAM(state);
+ if (status < 0)
+ goto error;
+
+ /*
+ * STEP 2: configure demodulator
+ * -set params; resets IQM,QAM,FEC HW; initializes some
+ * SCU variables
+ */
+ status = QAMSetSymbolrate(state);
+ if (status < 0)
+ goto error;
+
+ /* Set params */
+ switch (state->props.modulation) {
+ case QAM_256:
+ state->m_Constellation = DRX_CONSTELLATION_QAM256;
+ break;
+ case QAM_AUTO:
+ case QAM_64:
+ state->m_Constellation = DRX_CONSTELLATION_QAM64;
+ break;
+ case QAM_16:
+ state->m_Constellation = DRX_CONSTELLATION_QAM16;
+ break;
+ case QAM_32:
+ state->m_Constellation = DRX_CONSTELLATION_QAM32;
+ break;
+ case QAM_128:
+ state->m_Constellation = DRX_CONSTELLATION_QAM128;
+ break;
+ default:
+ status = -EINVAL;
+ break;
+ }
+ if (status < 0)
+ goto error;
+ setParamParameters[0] = state->m_Constellation; /* modulation */
+ setParamParameters[1] = DRXK_QAM_I12_J17; /* interleave mode */
+ if (state->m_OperationMode == OM_QAM_ITU_C)
+ setParamParameters[2] = QAM_TOP_ANNEX_C;
+ else
+ setParamParameters[2] = QAM_TOP_ANNEX_A;
+ setParamParameters[3] |= (QAM_MIRROR_AUTO_ON);
+ /* Env parameters */
+ /* check for LOCKRANGE Extented */
+ /* setParamParameters[3] |= QAM_LOCKRANGE_NORMAL; */
+
+ status = scu_command(state, SCU_RAM_COMMAND_STANDARD_QAM | SCU_RAM_COMMAND_CMD_DEMOD_SET_PARAM, 4, setParamParameters, 1, &cmdResult);
+ if (status < 0) {
+ /* Fall-back to the simpler call */
+ if (state->m_OperationMode == OM_QAM_ITU_C)
+ setParamParameters[0] = QAM_TOP_ANNEX_C;
+ else
+ setParamParameters[0] = QAM_TOP_ANNEX_A;
+ status = scu_command(state, SCU_RAM_COMMAND_STANDARD_QAM | SCU_RAM_COMMAND_CMD_DEMOD_SET_ENV, 1, setParamParameters, 1, &cmdResult);
+ if (status < 0)
+ goto error;
+
+ setParamParameters[0] = state->m_Constellation; /* modulation */
+ setParamParameters[1] = DRXK_QAM_I12_J17; /* interleave mode */
+ status = scu_command(state, SCU_RAM_COMMAND_STANDARD_QAM | SCU_RAM_COMMAND_CMD_DEMOD_SET_PARAM, 2, setParamParameters, 1, &cmdResult);
+ }
+ if (status < 0)
+ goto error;
+
+ /*
+ * STEP 3: enable the system in a mode where the ADC provides valid
+ * signal setup modulation independent registers
+ */
+#if 0
+ status = SetFrequency(channel, tunerFreqOffset));
+ if (status < 0)
+ goto error;
+#endif
+ status = SetFrequencyShifter(state, IntermediateFreqkHz, tunerFreqOffset, true);
+ if (status < 0)
+ goto error;
+
+ /* Setup BER measurement */
+ status = SetQAMMeasurement(state, state->m_Constellation, state->props.symbol_rate);
+ if (status < 0)
+ goto error;
+
+ /* Reset default values */
+ status = write16(state, IQM_CF_SCALE_SH__A, IQM_CF_SCALE_SH__PRE);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_SY_TIMEOUT__A, QAM_SY_TIMEOUT__PRE);
+ if (status < 0)
+ goto error;
+
+ /* Reset default LC values */
+ status = write16(state, QAM_LC_RATE_LIMIT__A, 3);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_LPF_FACTORP__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_LPF_FACTORI__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_MODE__A, 7);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, QAM_LC_QUAL_TAB0__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB1__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB2__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB3__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB4__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB5__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB6__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB8__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB9__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB10__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB12__A, 2);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB15__A, 3);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB16__A, 3);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB20__A, 4);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_LC_QUAL_TAB25__A, 4);
+ if (status < 0)
+ goto error;
+
+ /* Mirroring, QAM-block starting point not inverted */
+ status = write16(state, QAM_SY_SP_INV__A, QAM_SY_SP_INV_SPECTRUM_INV_DIS);
+ if (status < 0)
+ goto error;
+
+ /* Halt SCU to enable safe non-atomic accesses */
+ status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_HOLD);
+ if (status < 0)
+ goto error;
+
+ /* STEP 4: modulation specific setup */
+ switch (state->props.modulation) {
+ case QAM_16:
+ status = SetQAM16(state);
+ break;
+ case QAM_32:
+ status = SetQAM32(state);
+ break;
+ case QAM_AUTO:
+ case QAM_64:
+ status = SetQAM64(state);
+ break;
+ case QAM_128:
+ status = SetQAM128(state);
+ break;
+ case QAM_256:
+ status = SetQAM256(state);
+ break;
+ default:
+ status = -EINVAL;
+ break;
+ }
+ if (status < 0)
+ goto error;
+
+ /* Activate SCU to enable SCU commands */
+ status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_ACTIVE);
+ if (status < 0)
+ goto error;
+
+ /* Re-configure MPEG output, requires knowledge of channel bitrate */
+ /* extAttr->currentChannel.modulation = channel->modulation; */
+ /* extAttr->currentChannel.symbolrate = channel->symbolrate; */
+ status = MPEGTSDtoSetup(state, state->m_OperationMode);
+ if (status < 0)
+ goto error;
+
+ /* Start processes */
+ status = MPEGTSStart(state);
+ if (status < 0)
+ goto error;
+ status = write16(state, FEC_COMM_EXEC__A, FEC_COMM_EXEC_ACTIVE);
+ if (status < 0)
+ goto error;
+ status = write16(state, QAM_COMM_EXEC__A, QAM_COMM_EXEC_ACTIVE);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_COMM_EXEC__A, IQM_COMM_EXEC_B_ACTIVE);
+ if (status < 0)
+ goto error;
+
+ /* STEP 5: start QAM demodulator (starts FEC, QAM and IQM HW) */
+ status = scu_command(state, SCU_RAM_COMMAND_STANDARD_QAM | SCU_RAM_COMMAND_CMD_DEMOD_START, 0, NULL, 1, &cmdResult);
+ if (status < 0)
+ goto error;
+
+ /* update global DRXK data container */
+/*? extAttr->qamInterleaveMode = DRXK_QAM_I12_J17; */
+
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int SetQAMStandard(struct drxk_state *state,
+ enum OperationMode oMode)
+{
+ int status;
+#ifdef DRXK_QAM_TAPS
+#define DRXK_QAMA_TAPS_SELECT
+#include "drxk_filters.h"
+#undef DRXK_QAMA_TAPS_SELECT
+#endif
+
+ dprintk(1, "\n");
+
+ /* added antenna switch */
+ SwitchAntennaToQAM(state);
+
+ /* Ensure correct power-up mode */
+ status = PowerUpQAM(state);
+ if (status < 0)
+ goto error;
+ /* Reset QAM block */
+ status = QAMResetQAM(state);
+ if (status < 0)
+ goto error;
+
+ /* Setup IQM */
+
+ status = write16(state, IQM_COMM_EXEC__A, IQM_COMM_EXEC_B_STOP);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_AF_AMUX__A, IQM_AF_AMUX_SIGNAL2ADC);
+ if (status < 0)
+ goto error;
+
+ /* Upload IQM Channel Filter settings by
+ boot loader from ROM table */
+ switch (oMode) {
+ case OM_QAM_ITU_A:
+ status = BLChainCmd(state, DRXK_BL_ROM_OFFSET_TAPS_ITU_A, DRXK_BLCC_NR_ELEMENTS_TAPS, DRXK_BLC_TIMEOUT);
+ break;
+ case OM_QAM_ITU_C:
+ status = BLDirectCmd(state, IQM_CF_TAP_RE0__A, DRXK_BL_ROM_OFFSET_TAPS_ITU_C, DRXK_BLDC_NR_ELEMENTS_TAPS, DRXK_BLC_TIMEOUT);
+ if (status < 0)
+ goto error;
+ status = BLDirectCmd(state, IQM_CF_TAP_IM0__A, DRXK_BL_ROM_OFFSET_TAPS_ITU_C, DRXK_BLDC_NR_ELEMENTS_TAPS, DRXK_BLC_TIMEOUT);
+ break;
+ default:
+ status = -EINVAL;
+ }
+ if (status < 0)
+ goto error;
+
+ status = write16(state, IQM_CF_OUT_ENA__A, (1 << IQM_CF_OUT_ENA_QAM__B));
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_SYMMETRIC__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_MIDTAP__A, ((1 << IQM_CF_MIDTAP_RE__B) | (1 << IQM_CF_MIDTAP_IM__B)));
+ if (status < 0)
+ goto error;
+
+ status = write16(state, IQM_RC_STRETCH__A, 21);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_AF_CLP_LEN__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_AF_CLP_TH__A, 448);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_AF_SNS_LEN__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_POW_MEAS_LEN__A, 0);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, IQM_FS_ADJ_SEL__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_RC_ADJ_SEL__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_ADJ_SEL__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_AF_UPD_SEL__A, 0);
+ if (status < 0)
+ goto error;
+
+ /* IQM Impulse Noise Processing Unit */
+ status = write16(state, IQM_CF_CLP_VAL__A, 500);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_DATATH__A, 1000);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_BYPASSDET__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_DET_LCT__A, 0);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_WND_LEN__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_CF_PKDTH__A, 1);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_AF_INC_BYPASS__A, 1);
+ if (status < 0)
+ goto error;
+
+ /* turn on IQMAF. Must be done before setAgc**() */
+ status = SetIqmAf(state, true);
+ if (status < 0)
+ goto error;
+ status = write16(state, IQM_AF_START_LOCK__A, 0x01);
+ if (status < 0)
+ goto error;
+
+ /* IQM will not be reset from here, sync ADC and update/init AGC */
+ status = ADCSynchronization(state);
+ if (status < 0)
+ goto error;
+
+ /* Set the FSM step period */
+ status = write16(state, SCU_RAM_QAM_FSM_STEP_PERIOD__A, 2000);
+ if (status < 0)
+ goto error;
+
+ /* Halt SCU to enable safe non-atomic accesses */
+ status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_HOLD);
+ if (status < 0)
+ goto error;
+
+ /* No more resets of the IQM, current standard correctly set =>
+ now AGCs can be configured. */
+
+ status = InitAGC(state, true);
+ if (status < 0)
+ goto error;
+ status = SetPreSaw(state, &(state->m_qamPreSawCfg));
+ if (status < 0)
+ goto error;
+
+ /* Configure AGC's */
+ status = SetAgcRf(state, &(state->m_qamRfAgcCfg), true);
+ if (status < 0)
+ goto error;
+ status = SetAgcIf(state, &(state->m_qamIfAgcCfg), true);
+ if (status < 0)
+ goto error;
+
+ /* Activate SCU to enable SCU commands */
+ status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_ACTIVE);
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int WriteGPIO(struct drxk_state *state)
+{
+ int status;
+ u16 value = 0;
+
+ dprintk(1, "\n");
+ /* stop lock indicator process */
+ status = write16(state, SCU_RAM_GPIO__A, SCU_RAM_GPIO_HW_LOCK_IND_DISABLE);
+ if (status < 0)
+ goto error;
+
+ /* Write magic word to enable pdr reg write */
+ status = write16(state, SIO_TOP_COMM_KEY__A, SIO_TOP_COMM_KEY_KEY);
+ if (status < 0)
+ goto error;
+
+ if (state->m_hasSAWSW) {
+ if (state->UIO_mask & 0x0001) { /* UIO-1 */
+ /* write to io pad configuration register - output mode */
+ status = write16(state, SIO_PDR_SMA_TX_CFG__A, state->m_GPIOCfg);
+ if (status < 0)
+ goto error;
+
+ /* use corresponding bit in io data output registar */
+ status = read16(state, SIO_PDR_UIO_OUT_LO__A, &value);
+ if (status < 0)
+ goto error;
+ if ((state->m_GPIO & 0x0001) == 0)
+ value &= 0x7FFF; /* write zero to 15th bit - 1st UIO */
+ else
+ value |= 0x8000; /* write one to 15th bit - 1st UIO */
+ /* write back to io data output register */
+ status = write16(state, SIO_PDR_UIO_OUT_LO__A, value);
+ if (status < 0)
+ goto error;
+ }
+ if (state->UIO_mask & 0x0002) { /* UIO-2 */
+ /* write to io pad configuration register - output mode */
+ status = write16(state, SIO_PDR_SMA_TX_CFG__A, state->m_GPIOCfg);
+ if (status < 0)
+ goto error;
+
+ /* use corresponding bit in io data output registar */
+ status = read16(state, SIO_PDR_UIO_OUT_LO__A, &value);
+ if (status < 0)
+ goto error;
+ if ((state->m_GPIO & 0x0002) == 0)
+ value &= 0xBFFF; /* write zero to 14th bit - 2st UIO */
+ else
+ value |= 0x4000; /* write one to 14th bit - 2st UIO */
+ /* write back to io data output register */
+ status = write16(state, SIO_PDR_UIO_OUT_LO__A, value);
+ if (status < 0)
+ goto error;
+ }
+ if (state->UIO_mask & 0x0004) { /* UIO-3 */
+ /* write to io pad configuration register - output mode */
+ status = write16(state, SIO_PDR_SMA_TX_CFG__A, state->m_GPIOCfg);
+ if (status < 0)
+ goto error;
+
+ /* use corresponding bit in io data output registar */
+ status = read16(state, SIO_PDR_UIO_OUT_LO__A, &value);
+ if (status < 0)
+ goto error;
+ if ((state->m_GPIO & 0x0004) == 0)
+ value &= 0xFFFB; /* write zero to 2nd bit - 3rd UIO */
+ else
+ value |= 0x0004; /* write one to 2nd bit - 3rd UIO */
+ /* write back to io data output register */
+ status = write16(state, SIO_PDR_UIO_OUT_LO__A, value);
+ if (status < 0)
+ goto error;
+ }
+ }
+ /* Write magic word to disable pdr reg write */
+ status = write16(state, SIO_TOP_COMM_KEY__A, 0x0000);
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int SwitchAntennaToQAM(struct drxk_state *state)
+{
+ int status = 0;
+ bool gpio_state;
+
+ dprintk(1, "\n");
+
+ if (!state->antenna_gpio)
+ return 0;
+
+ gpio_state = state->m_GPIO & state->antenna_gpio;
+
+ if (state->antenna_dvbt ^ gpio_state) {
+ /* Antenna is on DVB-T mode. Switch */
+ if (state->antenna_dvbt)
+ state->m_GPIO &= ~state->antenna_gpio;
+ else
+ state->m_GPIO |= state->antenna_gpio;
+ status = WriteGPIO(state);
+ }
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+static int SwitchAntennaToDVBT(struct drxk_state *state)
+{
+ int status = 0;
+ bool gpio_state;
+
+ dprintk(1, "\n");
+
+ if (!state->antenna_gpio)
+ return 0;
+
+ gpio_state = state->m_GPIO & state->antenna_gpio;
+
+ if (!(state->antenna_dvbt ^ gpio_state)) {
+ /* Antenna is on DVB-C mode. Switch */
+ if (state->antenna_dvbt)
+ state->m_GPIO |= state->antenna_gpio;
+ else
+ state->m_GPIO &= ~state->antenna_gpio;
+ status = WriteGPIO(state);
+ }
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+ return status;
+}
+
+
+static int PowerDownDevice(struct drxk_state *state)
+{
+ /* Power down to requested mode */
+ /* Backup some register settings */
+ /* Set pins with possible pull-ups connected to them in input mode */
+ /* Analog power down */
+ /* ADC power down */
+ /* Power down device */
+ int status;
+
+ dprintk(1, "\n");
+ if (state->m_bPDownOpenBridge) {
+ /* Open I2C bridge before power down of DRXK */
+ status = ConfigureI2CBridge(state, true);
+ if (status < 0)
+ goto error;
+ }
+ /* driver 0.9.0 */
+ status = DVBTEnableOFDMTokenRing(state, false);
+ if (status < 0)
+ goto error;
+
+ status = write16(state, SIO_CC_PWD_MODE__A, SIO_CC_PWD_MODE_LEVEL_CLOCK);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_CC_UPDATE__A, SIO_CC_UPDATE_KEY);
+ if (status < 0)
+ goto error;
+ state->m_HICfgCtrl |= SIO_HI_RA_RAM_PAR_5_CFG_SLEEP_ZZZ;
+ status = HI_CfgCommand(state);
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+static int load_microcode(struct drxk_state *state, const char *mc_name)
+{
+ const struct firmware *fw = NULL;
+ int err = 0;
+
+ dprintk(1, "\n");
+
+ err = request_firmware(&fw, mc_name, state->i2c->dev.parent);
+ if (err < 0) {
+ printk(KERN_ERR
+ "drxk: Could not load firmware file %s.\n", mc_name);
+ printk(KERN_INFO
+ "drxk: Copy %s to your hotplug directory!\n", mc_name);
+ return err;
+ }
+ err = DownloadMicrocode(state, fw->data, fw->size);
+ release_firmware(fw);
+ return err;
+}
+
+static int init_drxk(struct drxk_state *state)
+{
+ int status = 0;
+ enum DRXPowerMode powerMode = DRXK_POWER_DOWN_OFDM;
+ u16 driverVersion;
+
+ dprintk(1, "\n");
+ if ((state->m_DrxkState == DRXK_UNINITIALIZED)) {
+ status = PowerUpDevice(state);
+ if (status < 0)
+ goto error;
+ status = DRXX_Open(state);
+ if (status < 0)
+ goto error;
+ /* Soft reset of OFDM-, sys- and osc-clockdomain */
+ status = write16(state, SIO_CC_SOFT_RST__A, SIO_CC_SOFT_RST_OFDM__M | SIO_CC_SOFT_RST_SYS__M | SIO_CC_SOFT_RST_OSC__M);
+ if (status < 0)
+ goto error;
+ status = write16(state, SIO_CC_UPDATE__A, SIO_CC_UPDATE_KEY);
+ if (status < 0)
+ goto error;
+ /* TODO is this needed, if yes how much delay in worst case scenario */
+ msleep(1);
+ state->m_DRXK_A3_PATCH_CODE = true;
+ status = GetDeviceCapabilities(state);
+ if (status < 0)
+ goto error;
+
+ /* Bridge delay, uses oscilator clock */
+ /* Delay = (delay (nano seconds) * oscclk (kHz))/ 1000 */
+ /* SDA brdige delay */
+ state->m_HICfgBridgeDelay =
+ (u16) ((state->m_oscClockFreq / 1000) *
+ HI_I2C_BRIDGE_DELAY) / 1000;
+ /* Clipping */
+ if (state->m_HICfgBridgeDelay >
+ SIO_HI_RA_RAM_PAR_3_CFG_DBL_SDA__M) {
+ state->m_HICfgBridgeDelay =
+ SIO_HI_RA_RAM_PAR_3_CFG_DBL_SDA__M;
+ }
+ /* SCL bridge delay, same as SDA for now */
+ state->m_HICfgBridgeDelay +=
+ state->m_HICfgBridgeDelay <<
+ SIO_HI_RA_RAM_PAR_3_CFG_DBL_SCL__B;
+
+ status = InitHI(state);
+ if (status < 0)
+ goto error;
+ /* disable various processes */
+#if NOA1ROM
+ if (!(state->m_DRXK_A1_ROM_CODE)
+ && !(state->m_DRXK_A2_ROM_CODE))
+#endif
+ {
+ status = write16(state, SCU_RAM_GPIO__A, SCU_RAM_GPIO_HW_LOCK_IND_DISABLE);
+ if (status < 0)
+ goto error;
+ }
+
+ /* disable MPEG port */
+ status = MPEGTSDisable(state);
+ if (status < 0)
+ goto error;
+
+ /* Stop AUD and SCU */
+ status = write16(state, AUD_COMM_EXEC__A, AUD_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+ status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+
+ /* enable token-ring bus through OFDM block for possible ucode upload */
+ status = write16(state, SIO_OFDM_SH_OFDM_RING_ENABLE__A, SIO_OFDM_SH_OFDM_RING_ENABLE_ON);
+ if (status < 0)
+ goto error;
+
+ /* include boot loader section */
+ status = write16(state, SIO_BL_COMM_EXEC__A, SIO_BL_COMM_EXEC_ACTIVE);
+ if (status < 0)
+ goto error;
+ status = BLChainCmd(state, 0, 6, 100);
+ if (status < 0)
+ goto error;
+
+ if (state->microcode_name)
+ load_microcode(state, state->microcode_name);
+
+ /* disable token-ring bus through OFDM block for possible ucode upload */
+ status = write16(state, SIO_OFDM_SH_OFDM_RING_ENABLE__A, SIO_OFDM_SH_OFDM_RING_ENABLE_OFF);
+ if (status < 0)
+ goto error;
+
+ /* Run SCU for a little while to initialize microcode version numbers */
+ status = write16(state, SCU_COMM_EXEC__A, SCU_COMM_EXEC_ACTIVE);
+ if (status < 0)
+ goto error;
+ status = DRXX_Open(state);
+ if (status < 0)
+ goto error;
+ /* added for test */
+ msleep(30);
+
+ powerMode = DRXK_POWER_DOWN_OFDM;
+ status = CtrlPowerMode(state, &powerMode);
+ if (status < 0)
+ goto error;
+
+ /* Stamp driver version number in SCU data RAM in BCD code
+ Done to enable field application engineers to retreive drxdriver version
+ via I2C from SCU RAM.
+ Not using SCU command interface for SCU register access since no
+ microcode may be present.
+ */
+ driverVersion =
+ (((DRXK_VERSION_MAJOR / 100) % 10) << 12) +
+ (((DRXK_VERSION_MAJOR / 10) % 10) << 8) +
+ ((DRXK_VERSION_MAJOR % 10) << 4) +
+ (DRXK_VERSION_MINOR % 10);
+ status = write16(state, SCU_RAM_DRIVER_VER_HI__A, driverVersion);
+ if (status < 0)
+ goto error;
+ driverVersion =
+ (((DRXK_VERSION_PATCH / 1000) % 10) << 12) +
+ (((DRXK_VERSION_PATCH / 100) % 10) << 8) +
+ (((DRXK_VERSION_PATCH / 10) % 10) << 4) +
+ (DRXK_VERSION_PATCH % 10);
+ status = write16(state, SCU_RAM_DRIVER_VER_LO__A, driverVersion);
+ if (status < 0)
+ goto error;
+
+ printk(KERN_INFO "DRXK driver version %d.%d.%d\n",
+ DRXK_VERSION_MAJOR, DRXK_VERSION_MINOR,
+ DRXK_VERSION_PATCH);
+
+ /* Dirty fix of default values for ROM/PATCH microcode
+ Dirty because this fix makes it impossible to setup suitable values
+ before calling DRX_Open. This solution requires changes to RF AGC speed
+ to be done via the CTRL function after calling DRX_Open */
+
+ /* m_dvbtRfAgcCfg.speed = 3; */
+
+ /* Reset driver debug flags to 0 */
+ status = write16(state, SCU_RAM_DRIVER_DEBUG__A, 0);
+ if (status < 0)
+ goto error;
+ /* driver 0.9.0 */
+ /* Setup FEC OC:
+ NOTE: No more full FEC resets allowed afterwards!! */
+ status = write16(state, FEC_COMM_EXEC__A, FEC_COMM_EXEC_STOP);
+ if (status < 0)
+ goto error;
+ /* MPEGTS functions are still the same */
+ status = MPEGTSDtoInit(state);
+ if (status < 0)
+ goto error;
+ status = MPEGTSStop(state);
+ if (status < 0)
+ goto error;
+ status = MPEGTSConfigurePolarity(state);
+ if (status < 0)
+ goto error;
+ status = MPEGTSConfigurePins(state, state->m_enableMPEGOutput);
+ if (status < 0)
+ goto error;
+ /* added: configure GPIO */
+ status = WriteGPIO(state);
+ if (status < 0)
+ goto error;
+
+ state->m_DrxkState = DRXK_STOPPED;
+
+ if (state->m_bPowerDown) {
+ status = PowerDownDevice(state);
+ if (status < 0)
+ goto error;
+ state->m_DrxkState = DRXK_POWERED_DOWN;
+ } else
+ state->m_DrxkState = DRXK_STOPPED;
+ }
+error:
+ if (status < 0)
+ printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__);
+
+ return status;
+}
+
+static void drxk_release(struct dvb_frontend *fe)
+{
+ struct drxk_state *state = fe->demodulator_priv;
+
+ dprintk(1, "\n");
+ kfree(state);
+}
+
+static int drxk_sleep(struct dvb_frontend *fe)
+{
+ struct drxk_state *state = fe->demodulator_priv;
+
+ dprintk(1, "\n");
+ ShutDown(state);
+ return 0;
+}
+
+static int drxk_gate_ctrl(struct dvb_frontend *fe, int enable)
+{
+ struct drxk_state *state = fe->demodulator_priv;
+
+ dprintk(1, "%s\n", enable ? "enable" : "disable");
+ return ConfigureI2CBridge(state, enable ? true : false);
+}
+
+static int drxk_set_parameters(struct dvb_frontend *fe)
+{
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+ u32 delsys = p->delivery_system, old_delsys;
+ struct drxk_state *state = fe->demodulator_priv;
+ u32 IF;
+
+ dprintk(1, "\n");
+
+ if (!fe->ops.tuner_ops.get_if_frequency) {
+ printk(KERN_ERR
+ "drxk: Error: get_if_frequency() not defined at tuner. Can't work without it!\n");
+ return -EINVAL;
+ }
+
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 1);
+ if (fe->ops.tuner_ops.set_params)
+ fe->ops.tuner_ops.set_params(fe);
+ if (fe->ops.i2c_gate_ctrl)
+ fe->ops.i2c_gate_ctrl(fe, 0);
+
+ old_delsys = state->props.delivery_system;
+ state->props = *p;
+
+ if (old_delsys != delsys) {
+ ShutDown(state);
+ switch (delsys) {
+ case SYS_DVBC_ANNEX_A:
+ case SYS_DVBC_ANNEX_C:
+ if (!state->m_hasDVBC)
+ return -EINVAL;
+ state->m_itut_annex_c = (delsys == SYS_DVBC_ANNEX_C) ? true : false;
+ if (state->m_itut_annex_c)
+ SetOperationMode(state, OM_QAM_ITU_C);
+ else
+ SetOperationMode(state, OM_QAM_ITU_A);
+ break;
+ case SYS_DVBT:
+ if (!state->m_hasDVBT)
+ return -EINVAL;
+ SetOperationMode(state, OM_DVBT);
+ break;
+ default:
+ return -EINVAL;
+ }
+ }
+
+ fe->ops.tuner_ops.get_if_frequency(fe, &IF);
+ Start(state, 0, IF);
+
+ /* printk(KERN_DEBUG "drxk: %s IF=%d done\n", __func__, IF); */
+
+ return 0;
+}
+
+static int drxk_read_status(struct dvb_frontend *fe, fe_status_t *status)
+{
+ struct drxk_state *state = fe->demodulator_priv;
+ u32 stat;
+
+ dprintk(1, "\n");
+ *status = 0;
+ GetLockStatus(state, &stat, 0);
+ if (stat == MPEG_LOCK)
+ *status |= 0x1f;
+ if (stat == FEC_LOCK)
+ *status |= 0x0f;
+ if (stat == DEMOD_LOCK)
+ *status |= 0x07;
+ return 0;
+}
+
+static int drxk_read_ber(struct dvb_frontend *fe, u32 *ber)
+{
+ dprintk(1, "\n");
+
+ *ber = 0;
+ return 0;
+}
+
+static int drxk_read_signal_strength(struct dvb_frontend *fe,
+ u16 *strength)
+{
+ struct drxk_state *state = fe->demodulator_priv;
+ u32 val = 0;
+
+ dprintk(1, "\n");
+ ReadIFAgc(state, &val);
+ *strength = val & 0xffff;
+ return 0;
+}
+
+static int drxk_read_snr(struct dvb_frontend *fe, u16 *snr)
+{
+ struct drxk_state *state = fe->demodulator_priv;
+ s32 snr2;
+
+ dprintk(1, "\n");
+ GetSignalToNoise(state, &snr2);
+ *snr = snr2 & 0xffff;
+ return 0;
+}
+
+static int drxk_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
+{
+ struct drxk_state *state = fe->demodulator_priv;
+ u16 err;
+
+ dprintk(1, "\n");
+ DVBTQAMGetAccPktErr(state, &err);
+ *ucblocks = (u32) err;
+ return 0;
+}
+
+static int drxk_get_tune_settings(struct dvb_frontend *fe, struct dvb_frontend_tune_settings
+ *sets)
+{
+ struct dtv_frontend_properties *p = &fe->dtv_property_cache;
+
+ dprintk(1, "\n");
+ switch (p->delivery_system) {
+ case SYS_DVBC_ANNEX_A:
+ case SYS_DVBC_ANNEX_C:
+ case SYS_DVBT:
+ sets->min_delay_ms = 3000;
+ sets->max_drift = 0;
+ sets->step_size = 0;
+ return 0;
+ default:
+ return -EINVAL;
+ }
+}
+
+static struct dvb_frontend_ops drxk_ops = {
+ /* .delsys will be filled dynamically */
+ .info = {
+ .name = "DRXK",
+ .frequency_min = 47000000,
+ .frequency_max = 865000000,
+ /* For DVB-C */
+ .symbol_rate_min = 870000,
+ .symbol_rate_max = 11700000,
+ /* For DVB-T */
+ .frequency_stepsize = 166667,
+
+ .caps = FE_CAN_QAM_16 | FE_CAN_QAM_32 | FE_CAN_QAM_64 |
+ FE_CAN_QAM_128 | FE_CAN_QAM_256 | FE_CAN_FEC_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_MUTE_TS |
+ FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_RECOVER |
+ FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_HIERARCHY_AUTO
+ },
+
+ .release = drxk_release,
+ .sleep = drxk_sleep,
+ .i2c_gate_ctrl = drxk_gate_ctrl,
+
+ .set_frontend = drxk_set_parameters,
+ .get_tune_settings = drxk_get_tune_settings,
+
+ .read_status = drxk_read_status,
+ .read_ber = drxk_read_ber,
+ .read_signal_strength = drxk_read_signal_strength,
+ .read_snr = drxk_read_snr,
+ .read_ucblocks = drxk_read_ucblocks,
+};
+
+struct dvb_frontend *drxk_attach(const struct drxk_config *config,
+ struct i2c_adapter *i2c)
+{
+ int n;
+
+ struct drxk_state *state = NULL;
+ u8 adr = config->adr;
+
+ dprintk(1, "\n");
+ state = kzalloc(sizeof(struct drxk_state), GFP_KERNEL);
+ if (!state)
+ return NULL;
+
+ state->i2c = i2c;
+ state->demod_address = adr;
+ state->single_master = config->single_master;
+ state->microcode_name = config->microcode_name;
+ state->no_i2c_bridge = config->no_i2c_bridge;
+ state->antenna_gpio = config->antenna_gpio;
+ state->antenna_dvbt = config->antenna_dvbt;
+ state->m_ChunkSize = config->chunk_size;
+ state->enable_merr_cfg = config->enable_merr_cfg;
+
+ if (config->dynamic_clk) {
+ state->m_DVBTStaticCLK = 0;
+ state->m_DVBCStaticCLK = 0;
+ } else {
+ state->m_DVBTStaticCLK = 1;
+ state->m_DVBCStaticCLK = 1;
+ }
+
+
+ if (config->mpeg_out_clk_strength)
+ state->m_TSClockkStrength = config->mpeg_out_clk_strength & 0x07;
+ else
+ state->m_TSClockkStrength = 0x06;
+
+ if (config->parallel_ts)
+ state->m_enableParallel = true;
+ else
+ state->m_enableParallel = false;
+
+ /* NOTE: as more UIO bits will be used, add them to the mask */
+ state->UIO_mask = config->antenna_gpio;
+
+ /* Default gpio to DVB-C */
+ if (!state->antenna_dvbt && state->antenna_gpio)
+ state->m_GPIO |= state->antenna_gpio;
+ else
+ state->m_GPIO &= ~state->antenna_gpio;
+
+ mutex_init(&state->mutex);
+
+ memcpy(&state->frontend.ops, &drxk_ops, sizeof(drxk_ops));
+ state->frontend.demodulator_priv = state;
+
+ init_state(state);
+ if (init_drxk(state) < 0)
+ goto error;
+
+ /* Initialize the supported delivery systems */
+ n = 0;
+ if (state->m_hasDVBC) {
+ state->frontend.ops.delsys[n++] = SYS_DVBC_ANNEX_A;
+ state->frontend.ops.delsys[n++] = SYS_DVBC_ANNEX_C;
+ strlcat(state->frontend.ops.info.name, " DVB-C",
+ sizeof(state->frontend.ops.info.name));
+ }
+ if (state->m_hasDVBT) {
+ state->frontend.ops.delsys[n++] = SYS_DVBT;
+ strlcat(state->frontend.ops.info.name, " DVB-T",
+ sizeof(state->frontend.ops.info.name));
+ }
+
+ printk(KERN_INFO "drxk: frontend initialized.\n");
+ return &state->frontend;
+
+error:
+ printk(KERN_ERR "drxk: not found\n");
+ kfree(state);
+ return NULL;
+}
+EXPORT_SYMBOL(drxk_attach);
+
+MODULE_DESCRIPTION("DRX-K driver");
+MODULE_AUTHOR("Ralph Metzler");
+MODULE_LICENSE("GPL");
generated by cgit (git 2.34.1) at 2024-12-22 21:00:47 +0000