diff options
Diffstat (limited to 'drivers/media/dvb-frontends/drxk_hard.c')
| -rw-r--r-- | drivers/media/dvb-frontends/drxk_hard.c | 6637 |
1 files changed, 6637 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 000000000000..1ab8154542da --- /dev/null +++ b/drivers/media/dvb-frontends/drxk_hard.c @@ -0,0 +1,6637 @@ +/* + * 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 <linux/hardirq.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 drxk_i2c_lock(struct drxk_state *state) +{ + i2c_lock_adapter(state->i2c); + state->drxk_i2c_exclusive_lock = true; + + return 0; +} + +static void drxk_i2c_unlock(struct drxk_state *state) +{ + if (!state->drxk_i2c_exclusive_lock) + return; + + i2c_unlock_adapter(state->i2c); + state->drxk_i2c_exclusive_lock = false; +} + +static int drxk_i2c_transfer(struct drxk_state *state, struct i2c_msg *msgs, + unsigned len) +{ + if (state->drxk_i2c_exclusive_lock) + return __i2c_transfer(state->i2c, msgs, len); + else + return i2c_transfer(state->i2c, msgs, len); +} + +static int i2c_read1(struct drxk_state *state, u8 adr, u8 *val) +{ + struct i2c_msg msgs[1] = { {.addr = adr, .flags = I2C_M_RD, + .buf = val, .len = 1} + }; + + return drxk_i2c_transfer(state, msgs, 1); +} + +static int i2c_write(struct drxk_state *state, 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 = drxk_i2c_transfer(state, &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 drxk_state *state, + 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 = drxk_i2c_transfer(state, 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, 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, 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, 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, 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, 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, state->demod_address, &data); + if (status < 0) { + do { + data = 0; + status = i2c_write(state, state->demod_address, + &data, 1); + msleep(10); + retryCount++; + if (status < 0) + continue; + status = i2c_read1(state, 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_INFO "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; + u32 Address; + u16 nBlocks; + u16 BlockSize; + u32 offset = 0; + u32 i; + int status = 0; + + dprintk(1, "\n"); + + /* down the drain (we don't care about MAGIC_WORD) */ +#if 0 + /* For future reference */ + Drain = (pSrc[0] << 8) | pSrc[1]; +#endif + 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); + +#if 0 + /* For future reference */ + Flags = (pSrc[0] << 8) | pSrc[1]; +#endif + pSrc += sizeof(u16); + offset += sizeof(u16); + +#if 0 + /* For future reference */ + BlockCRC = (pSrc[0] << 8) | pSrc[1]; +#endif + 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, ®Data); + 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, ®Data); + 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) + return 0; + 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: Error %d on %s\n", status, __func__); + + 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 QAMDemodulatorCommand(struct drxk_state *state, + int numberOfParameters) +{ + int status; + u16 cmdResult; + u16 setParamParameters[4] = { 0, 0, 0, 0 }; + + setParamParameters[0] = state->m_Constellation; /* modulation */ + setParamParameters[1] = DRXK_QAM_I12_J17; /* interleave mode */ + + if (numberOfParameters == 2) { + u16 setEnvParameters[1] = { 0 }; + + if (state->m_OperationMode == OM_QAM_ITU_C) + setEnvParameters[0] = QAM_TOP_ANNEX_C; + else + setEnvParameters[0] = QAM_TOP_ANNEX_A; + + status = scu_command(state, + SCU_RAM_COMMAND_STANDARD_QAM | SCU_RAM_COMMAND_CMD_DEMOD_SET_ENV, + 1, setEnvParameters, 1, &cmdResult); + if (status < 0) + goto error; + + status = scu_command(state, + SCU_RAM_COMMAND_STANDARD_QAM | SCU_RAM_COMMAND_CMD_DEMOD_SET_PARAM, + numberOfParameters, setParamParameters, + 1, &cmdResult); + } else if (numberOfParameters == 4) { + 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, + numberOfParameters, setParamParameters, + 1, &cmdResult); + } else { + printk(KERN_WARNING "drxk: Unknown QAM demodulator parameter " + "count %d\n", numberOfParameters); + } + +error: + if (status < 0) + printk(KERN_WARNING "drxk: Warning %d on %s\n", + status, __func__); + return status; +} + +static int SetQAM(struct drxk_state *state, u16 IntermediateFreqkHz, + s32 tunerFreqOffset) +{ + int status; + u16 cmdResult; + int qamDemodParamCount = state->qam_demod_parameter_count; + + 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; + + /* Use the 4-parameter if it's requested or we're probing for + * the correct command. */ + if (state->qam_demod_parameter_count == 4 + || !state->qam_demod_parameter_count) { + qamDemodParamCount = 4; + status = QAMDemodulatorCommand(state, qamDemodParamCount); + } + + /* Use the 2-parameter command if it was requested or if we're + * probing for the correct command and the 4-parameter command + * failed. */ + if (state->qam_demod_parameter_count == 2 + || (!state->qam_demod_parameter_count && status < 0)) { + qamDemodParamCount = 2; + status = QAMDemodulatorCommand(state, qamDemodParamCount); + } + + if (status < 0) { + dprintk(1, "Could not set demodulator parameters. Make " + "sure qam_demod_parameter_count (%d) is correct for " + "your firmware (%s).\n", + state->qam_demod_parameter_count, + state->microcode_name); + goto error; + } else if (!state->qam_demod_parameter_count) { + dprintk(1, "Auto-probing the correct QAM demodulator command " + "parameters was successful - using %d parameters.\n", + qamDemodParamCount); + + /* + * One of our commands was successful. We don't need to + * auto-probe anymore, now that we got the correct command. + */ + state->qam_demod_parameter_count = qamDemodParamCount; + } + + /* + * 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_RX_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_GPIO_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 init_drxk(struct drxk_state *state) +{ + int status = 0, n = 0; + enum DRXPowerMode powerMode = DRXK_POWER_DOWN_OFDM; + u16 driverVersion; + + dprintk(1, "\n"); + if ((state->m_DrxkState == DRXK_UNINITIALIZED)) { + drxk_i2c_lock(state); + 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->fw) { + status = DownloadMicrocode(state, state->fw->data, + state->fw->size); + if (status < 0) + goto error; + } + + /* 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; + + /* 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)); + } + drxk_i2c_unlock(state); + } +error: + if (status < 0) { + state->m_DrxkState = DRXK_NO_DEV; + drxk_i2c_unlock(state); + printk(KERN_ERR "drxk: Error %d on %s\n", status, __func__); + } + + return status; +} + +static void load_firmware_cb(const struct firmware *fw, + void *context) +{ + struct drxk_state *state = context; + + dprintk(1, ": %s\n", fw ? "firmware loaded" : "firmware not loaded"); + if (!fw) { + printk(KERN_ERR + "drxk: Could not load firmware file %s.\n", + state->microcode_name); + printk(KERN_INFO + "drxk: Copy %s to your hotplug directory!\n", + state->microcode_name); + state->microcode_name = NULL; + + /* + * As firmware is now load asynchronous, it is not possible + * anymore to fail at frontend attach. We might silently + * return here, and hope that the driver won't crash. + * We might also change all DVB callbacks to return -ENODEV + * if the device is not initialized. + * As the DRX-K devices have their own internal firmware, + * let's just hope that it will match a firmware revision + * compatible with this driver and proceed. + */ + } + state->fw = fw; + + init_drxk(state); +} + +static void drxk_release(struct dvb_frontend *fe) +{ + struct drxk_state *state = fe->demodulator_priv; + + dprintk(1, "\n"); + if (state->fw) + release_firmware(state->fw); + + kfree(state); +} + +static int drxk_sleep(struct dvb_frontend *fe) +{ + struct drxk_state *state = fe->demodulator_priv; + + dprintk(1, "\n"); + + if (state->m_DrxkState == DRXK_NO_DEV) + return -ENODEV; + if (state->m_DrxkState == DRXK_UNINITIALIZED) + return 0; + + 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"); + + if (state->m_DrxkState == DRXK_NO_DEV) + return -ENODEV; + + 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 (state->m_DrxkState == DRXK_NO_DEV) + return -ENODEV; + + if (state->m_DrxkState == DRXK_UNINITIALIZED) + return -EAGAIN; + + 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"); + + if (state->m_DrxkState == DRXK_NO_DEV) + return -ENODEV; + if (state->m_DrxkState == DRXK_UNINITIALIZED) + return -EAGAIN; + + *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) +{ + struct drxk_state *state = fe->demodulator_priv; + + dprintk(1, "\n"); + + if (state->m_DrxkState == DRXK_NO_DEV) + return -ENODEV; + if (state->m_DrxkState == DRXK_UNINITIALIZED) + return -EAGAIN; + + *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"); + + if (state->m_DrxkState == DRXK_NO_DEV) + return -ENODEV; + if (state->m_DrxkState == DRXK_UNINITIALIZED) + return -EAGAIN; + + 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"); + + if (state->m_DrxkState == DRXK_NO_DEV) + return -ENODEV; + if (state->m_DrxkState == DRXK_UNINITIALIZED) + return -EAGAIN; + + 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"); + + if (state->m_DrxkState == DRXK_NO_DEV) + return -ENODEV; + if (state->m_DrxkState == DRXK_UNINITIALIZED) + return -EAGAIN; + + 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 drxk_state *state = fe->demodulator_priv; + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + + dprintk(1, "\n"); + + if (state->m_DrxkState == DRXK_NO_DEV) + return -ENODEV; + if (state->m_DrxkState == DRXK_UNINITIALIZED) + return -EAGAIN; + + 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) +{ + struct drxk_state *state = NULL; + u8 adr = config->adr; + int status; + + 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->qam_demod_parameter_count = config->qam_demod_parameter_count; + 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); + + /* Load firmware and initialize DRX-K */ + if (state->microcode_name) { + status = request_firmware_nowait(THIS_MODULE, 1, + state->microcode_name, + state->i2c->dev.parent, + GFP_KERNEL, + state, load_firmware_cb); + if (status < 0) { + printk(KERN_ERR + "drxk: failed to request a firmware\n"); + return NULL; + } + } else if (init_drxk(state) < 0) + goto error; + + 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"); |
