diff options
Diffstat (limited to 'drivers/media/dvb-frontends/drxd_hard.c')
| -rw-r--r-- | drivers/media/dvb-frontends/drxd_hard.c | 2992 |
1 files changed, 2992 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/drxd_hard.c b/drivers/media/dvb-frontends/drxd_hard.c new file mode 100644 index 000000000000..f380eb43e9d5 --- /dev/null +++ b/drivers/media/dvb-frontends/drxd_hard.c @@ -0,0 +1,2992 @@ +/* + * drxd_hard.c: DVB-T Demodulator Micronas DRX3975D-A2,DRX397xD-B1 + * + * Copyright (C) 2003-2007 Micronas + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 only, as published by the Free Software Foundation. + * + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301, USA + * Or, point your browser to http://www.gnu.org/copyleft/gpl.html + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/firmware.h> +#include <linux/i2c.h> +#include <asm/div64.h> + +#include "dvb_frontend.h" +#include "drxd.h" +#include "drxd_firm.h" + +#define DRX_FW_FILENAME_A2 "drxd-a2-1.1.fw" +#define DRX_FW_FILENAME_B1 "drxd-b1-1.1.fw" + +#define CHUNK_SIZE 48 + +#define DRX_I2C_RMW 0x10 +#define DRX_I2C_BROADCAST 0x20 +#define DRX_I2C_CLEARCRC 0x80 +#define DRX_I2C_SINGLE_MASTER 0xC0 +#define DRX_I2C_MODEFLAGS 0xC0 +#define DRX_I2C_FLAGS 0xF0 + +#ifndef SIZEOF_ARRAY +#define SIZEOF_ARRAY(array) (sizeof((array))/sizeof((array)[0])) +#endif + +#define DEFAULT_LOCK_TIMEOUT 1100 + +#define DRX_CHANNEL_AUTO 0 +#define DRX_CHANNEL_HIGH 1 +#define DRX_CHANNEL_LOW 2 + +#define DRX_LOCK_MPEG 1 +#define DRX_LOCK_FEC 2 +#define DRX_LOCK_DEMOD 4 + +/****************************************************************************/ + +enum CSCDState { + CSCD_INIT = 0, + CSCD_SET, + CSCD_SAVED +}; + +enum CDrxdState { + DRXD_UNINITIALIZED = 0, + DRXD_STOPPED, + DRXD_STARTED +}; + +enum AGC_CTRL_MODE { + AGC_CTRL_AUTO = 0, + AGC_CTRL_USER, + AGC_CTRL_OFF +}; + +enum OperationMode { + OM_Default, + OM_DVBT_Diversity_Front, + OM_DVBT_Diversity_End +}; + +struct SCfgAgc { + enum AGC_CTRL_MODE ctrlMode; + u16 outputLevel; /* range [0, ... , 1023], 1/n of fullscale range */ + u16 settleLevel; /* range [0, ... , 1023], 1/n of fullscale range */ + u16 minOutputLevel; /* range [0, ... , 1023], 1/n of fullscale range */ + u16 maxOutputLevel; /* range [0, ... , 1023], 1/n of fullscale range */ + u16 speed; /* range [0, ... , 1023], 1/n of fullscale range */ + + u16 R1; + u16 R2; + u16 R3; +}; + +struct SNoiseCal { + int cpOpt; + short cpNexpOfs; + short tdCal2k; + short tdCal8k; +}; + +enum app_env { + APPENV_STATIC = 0, + APPENV_PORTABLE = 1, + APPENV_MOBILE = 2 +}; + +enum EIFFilter { + IFFILTER_SAW = 0, + IFFILTER_DISCRETE = 1 +}; + +struct drxd_state { + struct dvb_frontend frontend; + struct dvb_frontend_ops ops; + struct dtv_frontend_properties props; + + const struct firmware *fw; + struct device *dev; + + struct i2c_adapter *i2c; + void *priv; + struct drxd_config config; + + int i2c_access; + int init_done; + struct mutex mutex; + + u8 chip_adr; + u16 hi_cfg_timing_div; + u16 hi_cfg_bridge_delay; + u16 hi_cfg_wakeup_key; + u16 hi_cfg_ctrl; + + u16 intermediate_freq; + u16 osc_clock_freq; + + enum CSCDState cscd_state; + enum CDrxdState drxd_state; + + u16 sys_clock_freq; + s16 osc_clock_deviation; + u16 expected_sys_clock_freq; + + u16 insert_rs_byte; + u16 enable_parallel; + + int operation_mode; + + struct SCfgAgc if_agc_cfg; + struct SCfgAgc rf_agc_cfg; + + struct SNoiseCal noise_cal; + + u32 fe_fs_add_incr; + u32 org_fe_fs_add_incr; + u16 current_fe_if_incr; + + u16 m_FeAgRegAgPwd; + u16 m_FeAgRegAgAgcSio; + + u16 m_EcOcRegOcModeLop; + u16 m_EcOcRegSncSncLvl; + u8 *m_InitAtomicRead; + u8 *m_HiI2cPatch; + + u8 *m_ResetCEFR; + u8 *m_InitFE_1; + u8 *m_InitFE_2; + u8 *m_InitCP; + u8 *m_InitCE; + u8 *m_InitEQ; + u8 *m_InitSC; + u8 *m_InitEC; + u8 *m_ResetECRAM; + u8 *m_InitDiversityFront; + u8 *m_InitDiversityEnd; + u8 *m_DisableDiversity; + u8 *m_StartDiversityFront; + u8 *m_StartDiversityEnd; + + u8 *m_DiversityDelay8MHZ; + u8 *m_DiversityDelay6MHZ; + + u8 *microcode; + u32 microcode_length; + + int type_A; + int PGA; + int diversity; + int tuner_mirrors; + + enum app_env app_env_default; + enum app_env app_env_diversity; + +}; + +/****************************************************************************/ +/* I2C **********************************************************************/ +/****************************************************************************/ + +static int i2c_write(struct i2c_adapter *adap, u8 adr, u8 * data, int len) +{ + struct i2c_msg msg = {.addr = adr, .flags = 0, .buf = data, .len = len }; + + if (i2c_transfer(adap, &msg, 1) != 1) + return -1; + return 0; +} + +static int i2c_read(struct i2c_adapter *adap, + u8 adr, u8 *msg, int len, u8 *answ, int alen) +{ + struct i2c_msg msgs[2] = { + { + .addr = adr, .flags = 0, + .buf = msg, .len = len + }, { + .addr = adr, .flags = I2C_M_RD, + .buf = answ, .len = alen + } + }; + if (i2c_transfer(adap, msgs, 2) != 2) + return -1; + return 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; +} + +static int Read16(struct drxd_state *state, u32 reg, u16 *data, u8 flags) +{ + u8 adr = state->config.demod_address; + u8 mm1[4] = { reg & 0xff, (reg >> 16) & 0xff, + flags | ((reg >> 24) & 0xff), (reg >> 8) & 0xff + }; + u8 mm2[2]; + if (i2c_read(state->i2c, adr, mm1, 4, mm2, 2) < 0) + return -1; + if (data) + *data = mm2[0] | (mm2[1] << 8); + return mm2[0] | (mm2[1] << 8); +} + +static int Read32(struct drxd_state *state, u32 reg, u32 *data, u8 flags) +{ + u8 adr = state->config.demod_address; + u8 mm1[4] = { reg & 0xff, (reg >> 16) & 0xff, + flags | ((reg >> 24) & 0xff), (reg >> 8) & 0xff + }; + u8 mm2[4]; + + if (i2c_read(state->i2c, adr, mm1, 4, mm2, 4) < 0) + return -1; + if (data) + *data = + mm2[0] | (mm2[1] << 8) | (mm2[2] << 16) | (mm2[3] << 24); + return 0; +} + +static int Write16(struct drxd_state *state, u32 reg, u16 data, u8 flags) +{ + u8 adr = state->config.demod_address; + u8 mm[6] = { reg & 0xff, (reg >> 16) & 0xff, + flags | ((reg >> 24) & 0xff), (reg >> 8) & 0xff, + data & 0xff, (data >> 8) & 0xff + }; + + if (i2c_write(state->i2c, adr, mm, 6) < 0) + return -1; + return 0; +} + +static int Write32(struct drxd_state *state, u32 reg, u32 data, u8 flags) +{ + u8 adr = state->config.demod_address; + u8 mm[8] = { reg & 0xff, (reg >> 16) & 0xff, + flags | ((reg >> 24) & 0xff), (reg >> 8) & 0xff, + data & 0xff, (data >> 8) & 0xff, + (data >> 16) & 0xff, (data >> 24) & 0xff + }; + + if (i2c_write(state->i2c, adr, mm, 8) < 0) + return -1; + return 0; +} + +static int write_chunk(struct drxd_state *state, + u32 reg, u8 *data, u32 len, u8 flags) +{ + u8 adr = state->config.demod_address; + u8 mm[CHUNK_SIZE + 4] = { reg & 0xff, (reg >> 16) & 0xff, + flags | ((reg >> 24) & 0xff), (reg >> 8) & 0xff + }; + int i; + + for (i = 0; i < len; i++) + mm[4 + i] = data[i]; + if (i2c_write(state->i2c, adr, mm, 4 + len) < 0) { + printk(KERN_ERR "error in write_chunk\n"); + return -1; + } + return 0; +} + +static int WriteBlock(struct drxd_state *state, + u32 Address, u16 BlockSize, u8 *pBlock, u8 Flags) +{ + while (BlockSize > 0) { + u16 Chunk = BlockSize > CHUNK_SIZE ? CHUNK_SIZE : BlockSize; + + if (write_chunk(state, Address, pBlock, Chunk, Flags) < 0) + return -1; + pBlock += Chunk; + Address += (Chunk >> 1); + BlockSize -= Chunk; + } + return 0; +} + +static int WriteTable(struct drxd_state *state, u8 * pTable) +{ + int status = 0; + + if (pTable == NULL) + return 0; + + while (!status) { + u16 Length; + u32 Address = pTable[0] | (pTable[1] << 8) | + (pTable[2] << 16) | (pTable[3] << 24); + + if (Address == 0xFFFFFFFF) + break; + pTable += sizeof(u32); + + Length = pTable[0] | (pTable[1] << 8); + pTable += sizeof(u16); + if (!Length) + break; + status = WriteBlock(state, Address, Length * 2, pTable, 0); + pTable += (Length * 2); + } + return status; +} + +/****************************************************************************/ +/****************************************************************************/ +/****************************************************************************/ + +static int ResetCEFR(struct drxd_state *state) +{ + return WriteTable(state, state->m_ResetCEFR); +} + +static int InitCP(struct drxd_state *state) +{ + return WriteTable(state, state->m_InitCP); +} + +static int InitCE(struct drxd_state *state) +{ + int status; + enum app_env AppEnv = state->app_env_default; + + do { + status = WriteTable(state, state->m_InitCE); + if (status < 0) + break; + + if (state->operation_mode == OM_DVBT_Diversity_Front || + state->operation_mode == OM_DVBT_Diversity_End) { + AppEnv = state->app_env_diversity; + } + if (AppEnv == APPENV_STATIC) { + status = Write16(state, CE_REG_TAPSET__A, 0x0000, 0); + if (status < 0) + break; + } else if (AppEnv == APPENV_PORTABLE) { + status = Write16(state, CE_REG_TAPSET__A, 0x0001, 0); + if (status < 0) + break; + } else if (AppEnv == APPENV_MOBILE && state->type_A) { + status = Write16(state, CE_REG_TAPSET__A, 0x0002, 0); + if (status < 0) + break; + } else if (AppEnv == APPENV_MOBILE && !state->type_A) { + status = Write16(state, CE_REG_TAPSET__A, 0x0006, 0); + if (status < 0) + break; + } + + /* start ce */ + status = Write16(state, B_CE_REG_COMM_EXEC__A, 0x0001, 0); + if (status < 0) + break; + } while (0); + return status; +} + +static int StopOC(struct drxd_state *state) +{ + int status = 0; + u16 ocSyncLvl = 0; + u16 ocModeLop = state->m_EcOcRegOcModeLop; + u16 dtoIncLop = 0; + u16 dtoIncHip = 0; + + do { + /* Store output configuration */ + status = Read16(state, EC_OC_REG_SNC_ISC_LVL__A, &ocSyncLvl, 0); + if (status < 0) + break; + /* CHK_ERROR(Read16(EC_OC_REG_OC_MODE_LOP__A, &ocModeLop)); */ + state->m_EcOcRegSncSncLvl = ocSyncLvl; + /* m_EcOcRegOcModeLop = ocModeLop; */ + + /* Flush FIFO (byte-boundary) at fixed rate */ + status = Read16(state, EC_OC_REG_RCN_MAP_LOP__A, &dtoIncLop, 0); + if (status < 0) + break; + status = Read16(state, EC_OC_REG_RCN_MAP_HIP__A, &dtoIncHip, 0); + if (status < 0) + break; + status = Write16(state, EC_OC_REG_DTO_INC_LOP__A, dtoIncLop, 0); + if (status < 0) + break; + status = Write16(state, EC_OC_REG_DTO_INC_HIP__A, dtoIncHip, 0); + if (status < 0) + break; + ocModeLop &= ~(EC_OC_REG_OC_MODE_LOP_DTO_CTR_SRC__M); + ocModeLop |= EC_OC_REG_OC_MODE_LOP_DTO_CTR_SRC_STATIC; + status = Write16(state, EC_OC_REG_OC_MODE_LOP__A, ocModeLop, 0); + if (status < 0) + break; + status = Write16(state, EC_OC_REG_COMM_EXEC__A, EC_OC_REG_COMM_EXEC_CTL_HOLD, 0); + if (status < 0) + break; + + msleep(1); + /* Output pins to '0' */ + status = Write16(state, EC_OC_REG_OCR_MPG_UOS__A, EC_OC_REG_OCR_MPG_UOS__M, 0); + if (status < 0) + break; + + /* Force the OC out of sync */ + ocSyncLvl &= ~(EC_OC_REG_SNC_ISC_LVL_OSC__M); + status = Write16(state, EC_OC_REG_SNC_ISC_LVL__A, ocSyncLvl, 0); + if (status < 0) + break; + ocModeLop &= ~(EC_OC_REG_OC_MODE_LOP_PAR_ENA__M); + ocModeLop |= EC_OC_REG_OC_MODE_LOP_PAR_ENA_ENABLE; + ocModeLop |= 0x2; /* Magically-out-of-sync */ + status = Write16(state, EC_OC_REG_OC_MODE_LOP__A, ocModeLop, 0); + if (status < 0) + break; + status = Write16(state, EC_OC_REG_COMM_INT_STA__A, 0x0, 0); + if (status < 0) + break; + status = Write16(state, EC_OC_REG_COMM_EXEC__A, EC_OC_REG_COMM_EXEC_CTL_ACTIVE, 0); + if (status < 0) + break; + } while (0); + + return status; +} + +static int StartOC(struct drxd_state *state) +{ + int status = 0; + + do { + /* Stop OC */ + status = Write16(state, EC_OC_REG_COMM_EXEC__A, EC_OC_REG_COMM_EXEC_CTL_HOLD, 0); + if (status < 0) + break; + + /* Restore output configuration */ + status = Write16(state, EC_OC_REG_SNC_ISC_LVL__A, state->m_EcOcRegSncSncLvl, 0); + if (status < 0) + break; + status = Write16(state, EC_OC_REG_OC_MODE_LOP__A, state->m_EcOcRegOcModeLop, 0); + if (status < 0) + break; + + /* Output pins active again */ + status = Write16(state, EC_OC_REG_OCR_MPG_UOS__A, EC_OC_REG_OCR_MPG_UOS_INIT, 0); + if (status < 0) + break; + + /* Start OC */ + status = Write16(state, EC_OC_REG_COMM_EXEC__A, EC_OC_REG_COMM_EXEC_CTL_ACTIVE, 0); + if (status < 0) + break; + } while (0); + return status; +} + +static int InitEQ(struct drxd_state *state) +{ + return WriteTable(state, state->m_InitEQ); +} + +static int InitEC(struct drxd_state *state) +{ + return WriteTable(state, state->m_InitEC); +} + +static int InitSC(struct drxd_state *state) +{ + return WriteTable(state, state->m_InitSC); +} + +static int InitAtomicRead(struct drxd_state *state) +{ + return WriteTable(state, state->m_InitAtomicRead); +} + +static int CorrectSysClockDeviation(struct drxd_state *state); + +static int DRX_GetLockStatus(struct drxd_state *state, u32 * pLockStatus) +{ + u16 ScRaRamLock = 0; + const u16 mpeg_lock_mask = (SC_RA_RAM_LOCK_MPEG__M | + SC_RA_RAM_LOCK_FEC__M | + SC_RA_RAM_LOCK_DEMOD__M); + const u16 fec_lock_mask = (SC_RA_RAM_LOCK_FEC__M | + SC_RA_RAM_LOCK_DEMOD__M); + const u16 demod_lock_mask = SC_RA_RAM_LOCK_DEMOD__M; + + int status; + + *pLockStatus = 0; + + status = Read16(state, SC_RA_RAM_LOCK__A, &ScRaRamLock, 0x0000); + if (status < 0) { + printk(KERN_ERR "Can't read SC_RA_RAM_LOCK__A status = %08x\n", status); + return status; + } + + if (state->drxd_state != DRXD_STARTED) + return 0; + + if ((ScRaRamLock & mpeg_lock_mask) == mpeg_lock_mask) { + *pLockStatus |= DRX_LOCK_MPEG; + CorrectSysClockDeviation(state); + } + + if ((ScRaRamLock & fec_lock_mask) == fec_lock_mask) + *pLockStatus |= DRX_LOCK_FEC; + + if ((ScRaRamLock & demod_lock_mask) == demod_lock_mask) + *pLockStatus |= DRX_LOCK_DEMOD; + return 0; +} + +/****************************************************************************/ + +static int SetCfgIfAgc(struct drxd_state *state, struct SCfgAgc *cfg) +{ + int status; + + if (cfg->outputLevel > DRXD_FE_CTRL_MAX) + return -1; + + if (cfg->ctrlMode == AGC_CTRL_USER) { + do { + u16 FeAgRegPm1AgcWri; + u16 FeAgRegAgModeLop; + + status = Read16(state, FE_AG_REG_AG_MODE_LOP__A, &FeAgRegAgModeLop, 0); + if (status < 0) + break; + FeAgRegAgModeLop &= (~FE_AG_REG_AG_MODE_LOP_MODE_4__M); + FeAgRegAgModeLop |= FE_AG_REG_AG_MODE_LOP_MODE_4_STATIC; + status = Write16(state, FE_AG_REG_AG_MODE_LOP__A, FeAgRegAgModeLop, 0); + if (status < 0) + break; + + FeAgRegPm1AgcWri = (u16) (cfg->outputLevel & + FE_AG_REG_PM1_AGC_WRI__M); + status = Write16(state, FE_AG_REG_PM1_AGC_WRI__A, FeAgRegPm1AgcWri, 0); + if (status < 0) + break; + } while (0); + } else if (cfg->ctrlMode == AGC_CTRL_AUTO) { + if (((cfg->maxOutputLevel) < (cfg->minOutputLevel)) || + ((cfg->maxOutputLevel) > DRXD_FE_CTRL_MAX) || + ((cfg->speed) > DRXD_FE_CTRL_MAX) || + ((cfg->settleLevel) > DRXD_FE_CTRL_MAX) + ) + return -1; + do { + u16 FeAgRegAgModeLop; + u16 FeAgRegEgcSetLvl; + u16 slope, offset; + + /* == Mode == */ + + status = Read16(state, FE_AG_REG_AG_MODE_LOP__A, &FeAgRegAgModeLop, 0); + if (status < 0) + break; + FeAgRegAgModeLop &= (~FE_AG_REG_AG_MODE_LOP_MODE_4__M); + FeAgRegAgModeLop |= + FE_AG_REG_AG_MODE_LOP_MODE_4_DYNAMIC; + status = Write16(state, FE_AG_REG_AG_MODE_LOP__A, FeAgRegAgModeLop, 0); + if (status < 0) + break; + + /* == Settle level == */ + + FeAgRegEgcSetLvl = (u16) ((cfg->settleLevel >> 1) & + FE_AG_REG_EGC_SET_LVL__M); + status = Write16(state, FE_AG_REG_EGC_SET_LVL__A, FeAgRegEgcSetLvl, 0); + if (status < 0) + break; + + /* == Min/Max == */ + + slope = (u16) ((cfg->maxOutputLevel - + cfg->minOutputLevel) / 2); + offset = (u16) ((cfg->maxOutputLevel + + cfg->minOutputLevel) / 2 - 511); + + status = Write16(state, FE_AG_REG_GC1_AGC_RIC__A, slope, 0); + if (status < 0) + break; + status = Write16(state, FE_AG_REG_GC1_AGC_OFF__A, offset, 0); + if (status < 0) + break; + + /* == Speed == */ + { + const u16 maxRur = 8; + const u16 slowIncrDecLUT[] = { 3, 4, 4, 5, 6 }; + const u16 fastIncrDecLUT[] = { 14, 15, 15, 16, + 17, 18, 18, 19, + 20, 21, 22, 23, + 24, 26, 27, 28, + 29, 31 + }; + + u16 fineSteps = (DRXD_FE_CTRL_MAX + 1) / + (maxRur + 1); + u16 fineSpeed = (u16) (cfg->speed - + ((cfg->speed / + fineSteps) * + fineSteps)); + u16 invRurCount = (u16) (cfg->speed / + fineSteps); + u16 rurCount; + if (invRurCount > maxRur) { + rurCount = 0; + fineSpeed += fineSteps; + } else { + rurCount = maxRur - invRurCount; + } + + /* + fastInc = default * + (2^(fineSpeed/fineSteps)) + => range[default...2*default> + slowInc = default * + (2^(fineSpeed/fineSteps)) + */ + { + u16 fastIncrDec = + fastIncrDecLUT[fineSpeed / + ((fineSteps / + (14 + 1)) + 1)]; + u16 slowIncrDec = + slowIncrDecLUT[fineSpeed / + (fineSteps / + (3 + 1))]; + + status = Write16(state, FE_AG_REG_EGC_RUR_CNT__A, rurCount, 0); + if (status < 0) + break; + status = Write16(state, FE_AG_REG_EGC_FAS_INC__A, fastIncrDec, 0); + if (status < 0) + break; + status = Write16(state, FE_AG_REG_EGC_FAS_DEC__A, fastIncrDec, 0); + if (status < 0) + break; + status = Write16(state, FE_AG_REG_EGC_SLO_INC__A, slowIncrDec, 0); + if (status < 0) + break; + status = Write16(state, FE_AG_REG_EGC_SLO_DEC__A, slowIncrDec, 0); + if (status < 0) + break; + } + } + } while (0); + + } else { + /* No OFF mode for IF control */ + return -1; + } + return status; +} + +static int SetCfgRfAgc(struct drxd_state *state, struct SCfgAgc *cfg) +{ + int status = 0; + + if (cfg->outputLevel > DRXD_FE_CTRL_MAX) + return -1; + + if (cfg->ctrlMode == AGC_CTRL_USER) { + do { + u16 AgModeLop = 0; + u16 level = (cfg->outputLevel); + + if (level == DRXD_FE_CTRL_MAX) + level++; + + status = Write16(state, FE_AG_REG_PM2_AGC_WRI__A, level, 0x0000); + if (status < 0) + break; + + /*==== Mode ====*/ + + /* Powerdown PD2, WRI source */ + state->m_FeAgRegAgPwd &= ~(FE_AG_REG_AG_PWD_PWD_PD2__M); + state->m_FeAgRegAgPwd |= + FE_AG_REG_AG_PWD_PWD_PD2_DISABLE; + status = Write16(state, FE_AG_REG_AG_PWD__A, state->m_FeAgRegAgPwd, 0x0000); + if (status < 0) + break; + + status = Read16(state, FE_AG_REG_AG_MODE_LOP__A, &AgModeLop, 0x0000); + if (status < 0) + break; + AgModeLop &= (~(FE_AG_REG_AG_MODE_LOP_MODE_5__M | + FE_AG_REG_AG_MODE_LOP_MODE_E__M)); + AgModeLop |= (FE_AG_REG_AG_MODE_LOP_MODE_5_STATIC | + FE_AG_REG_AG_MODE_LOP_MODE_E_STATIC); + status = Write16(state, FE_AG_REG_AG_MODE_LOP__A, AgModeLop, 0x0000); + if (status < 0) + break; + + /* enable AGC2 pin */ + { + u16 FeAgRegAgAgcSio = 0; + status = Read16(state, FE_AG_REG_AG_AGC_SIO__A, &FeAgRegAgAgcSio, 0x0000); + if (status < 0) + break; + FeAgRegAgAgcSio &= + ~(FE_AG_REG_AG_AGC_SIO_AGC_SIO_2__M); + FeAgRegAgAgcSio |= + FE_AG_REG_AG_AGC_SIO_AGC_SIO_2_OUTPUT; + status = Write16(state, FE_AG_REG_AG_AGC_SIO__A, FeAgRegAgAgcSio, 0x0000); + if (status < 0) + break; + } + + } while (0); + } else if (cfg->ctrlMode == AGC_CTRL_AUTO) { + u16 AgModeLop = 0; + + do { + u16 level; + /* Automatic control */ + /* Powerup PD2, AGC2 as output, TGC source */ + (state->m_FeAgRegAgPwd) &= + ~(FE_AG_REG_AG_PWD_PWD_PD2__M); + (state->m_FeAgRegAgPwd) |= + FE_AG_REG_AG_PWD_PWD_PD2_DISABLE; + status = Write16(state, FE_AG_REG_AG_PWD__A, (state->m_FeAgRegAgPwd), 0x0000); + if (status < 0) + break; + + status = Read16(state, FE_AG_REG_AG_MODE_LOP__A, &AgModeLop, 0x0000); + if (status < 0) + break; + AgModeLop &= (~(FE_AG_REG_AG_MODE_LOP_MODE_5__M | + FE_AG_REG_AG_MODE_LOP_MODE_E__M)); + AgModeLop |= (FE_AG_REG_AG_MODE_LOP_MODE_5_STATIC | + FE_AG_REG_AG_MODE_LOP_MODE_E_DYNAMIC); + status = Write16(state, FE_AG_REG_AG_MODE_LOP__A, AgModeLop, 0x0000); + if (status < 0) + break; + /* Settle level */ + level = (((cfg->settleLevel) >> 4) & + FE_AG_REG_TGC_SET_LVL__M); + status = Write16(state, FE_AG_REG_TGC_SET_LVL__A, level, 0x0000); + if (status < 0) + break; + + /* Min/max: don't care */ + + /* Speed: TODO */ + + /* enable AGC2 pin */ + { + u16 FeAgRegAgAgcSio = 0; + status = Read16(state, FE_AG_REG_AG_AGC_SIO__A, &FeAgRegAgAgcSio, 0x0000); + if (status < 0) + break; + FeAgRegAgAgcSio &= + ~(FE_AG_REG_AG_AGC_SIO_AGC_SIO_2__M); + FeAgRegAgAgcSio |= + FE_AG_REG_AG_AGC_SIO_AGC_SIO_2_OUTPUT; + status = Write16(state, FE_AG_REG_AG_AGC_SIO__A, FeAgRegAgAgcSio, 0x0000); + if (status < 0) + break; + } + + } while (0); + } else { + u16 AgModeLop = 0; + + do { + /* No RF AGC control */ + /* Powerdown PD2, AGC2 as output, WRI source */ + (state->m_FeAgRegAgPwd) &= + ~(FE_AG_REG_AG_PWD_PWD_PD2__M); + (state->m_FeAgRegAgPwd) |= + FE_AG_REG_AG_PWD_PWD_PD2_ENABLE; + status = Write16(state, FE_AG_REG_AG_PWD__A, (state->m_FeAgRegAgPwd), 0x0000); + if (status < 0) + break; + + status = Read16(state, FE_AG_REG_AG_MODE_LOP__A, &AgModeLop, 0x0000); + if (status < 0) + break; + AgModeLop &= (~(FE_AG_REG_AG_MODE_LOP_MODE_5__M | + FE_AG_REG_AG_MODE_LOP_MODE_E__M)); + AgModeLop |= (FE_AG_REG_AG_MODE_LOP_MODE_5_STATIC | + FE_AG_REG_AG_MODE_LOP_MODE_E_STATIC); + status = Write16(state, FE_AG_REG_AG_MODE_LOP__A, AgModeLop, 0x0000); + if (status < 0) + break; + + /* set FeAgRegAgAgcSio AGC2 (RF) as input */ + { + u16 FeAgRegAgAgcSio = 0; + status = Read16(state, FE_AG_REG_AG_AGC_SIO__A, &FeAgRegAgAgcSio, 0x0000); + if (status < 0) + break; + FeAgRegAgAgcSio &= + ~(FE_AG_REG_AG_AGC_SIO_AGC_SIO_2__M); + FeAgRegAgAgcSio |= + FE_AG_REG_AG_AGC_SIO_AGC_SIO_2_INPUT; + status = Write16(state, FE_AG_REG_AG_AGC_SIO__A, FeAgRegAgAgcSio, 0x0000); + if (status < 0) + break; + } + } while (0); + } + return status; +} + +static int ReadIFAgc(struct drxd_state *state, u32 * pValue) +{ + int status = 0; + + *pValue = 0; + if (state->if_agc_cfg.ctrlMode != AGC_CTRL_OFF) { + u16 Value; + status = Read16(state, FE_AG_REG_GC1_AGC_DAT__A, &Value, 0); + Value &= FE_AG_REG_GC1_AGC_DAT__M; + if (status >= 0) { + /* 3.3V + | + R1 + | + Vin - R3 - * -- Vout + | + R2 + | + GND + */ + u32 R1 = state->if_agc_cfg.R1; + u32 R2 = state->if_agc_cfg.R2; + u32 R3 = state->if_agc_cfg.R3; + + u32 Vmax, Rpar, Vmin, Vout; + + if (R2 == 0 && (R1 == 0 || R3 == 0)) + return 0; + + Vmax = (3300 * R2) / (R1 + R2); + Rpar = (R2 * R3) / (R3 + R2); + Vmin = (3300 * Rpar) / (R1 + Rpar); + Vout = Vmin + ((Vmax - Vmin) * Value) / 1024; + + *pValue = Vout; + } + } + return status; +} + +static int load_firmware(struct drxd_state *state, const char *fw_name) +{ + const struct firmware *fw; + + if (request_firmware(&fw, fw_name, state->dev) < 0) { + printk(KERN_ERR "drxd: firmware load failure [%s]\n", fw_name); + return -EIO; + } + + state->microcode = kmemdup(fw->data, fw->size, GFP_KERNEL); + if (state->microcode == NULL) { + release_firmware(fw); + printk(KERN_ERR "drxd: firmware load failure: no memory\n"); + return -ENOMEM; + } + + state->microcode_length = fw->size; + release_firmware(fw); + return 0; +} + +static int DownloadMicrocode(struct drxd_state *state, + const u8 *pMCImage, u32 Length) +{ + u8 *pSrc; + u32 Address; + u16 nBlocks; + u16 BlockSize; + u32 offset = 0; + int i, status = 0; + + pSrc = (u8 *) pMCImage; + /* We're not using Flags */ + /* Flags = (pSrc[0] << 8) | pSrc[1]; */ + pSrc += sizeof(u16); + offset += sizeof(u16); + nBlocks = (pSrc[0] << 8) | pSrc[1]; + pSrc += sizeof(u16); + offset += sizeof(u16); + + for (i = 0; i < nBlocks; i++) { + 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); + + /* We're not using Flags */ + /* u16 Flags = (pSrc[0] << 8) | pSrc[1]; */ + pSrc += sizeof(u16); + offset += sizeof(u16); + + /* We're not using BlockCRC */ + /* u16 BlockCRC = (pSrc[0] << 8) | pSrc[1]; */ + pSrc += sizeof(u16); + offset += sizeof(u16); + + status = WriteBlock(state, Address, BlockSize, + pSrc, DRX_I2C_CLEARCRC); + if (status < 0) + break; + pSrc += BlockSize; + offset += BlockSize; + } + + return status; +} + +static int HI_Command(struct drxd_state *state, u16 cmd, u16 * pResult) +{ + u32 nrRetries = 0; + u16 waitCmd; + int status; + + status = Write16(state, HI_RA_RAM_SRV_CMD__A, cmd, 0); + if (status < 0) + return status; + + do { + nrRetries += 1; + if (nrRetries > DRXD_MAX_RETRIES) { + status = -1; + break; + }; + status = Read16(state, HI_RA_RAM_SRV_CMD__A, &waitCmd, 0); + } while (waitCmd != 0); + + if (status >= 0) + status = Read16(state, HI_RA_RAM_SRV_RES__A, pResult, 0); + return status; +} + +static int HI_CfgCommand(struct drxd_state *state) +{ + int status = 0; + + mutex_lock(&state->mutex); + Write16(state, HI_RA_RAM_SRV_CFG_KEY__A, HI_RA_RAM_SRV_RST_KEY_ACT, 0); + Write16(state, HI_RA_RAM_SRV_CFG_DIV__A, state->hi_cfg_timing_div, 0); + Write16(state, HI_RA_RAM_SRV_CFG_BDL__A, state->hi_cfg_bridge_delay, 0); + Write16(state, HI_RA_RAM_SRV_CFG_WUP__A, state->hi_cfg_wakeup_key, 0); + Write16(state, HI_RA_RAM_SRV_CFG_ACT__A, state->hi_cfg_ctrl, 0); + + Write16(state, HI_RA_RAM_SRV_CFG_KEY__A, HI_RA_RAM_SRV_RST_KEY_ACT, 0); + + if ((state->hi_cfg_ctrl & HI_RA_RAM_SRV_CFG_ACT_PWD_EXE) == + HI_RA_RAM_SRV_CFG_ACT_PWD_EXE) + status = Write16(state, HI_RA_RAM_SRV_CMD__A, + HI_RA_RAM_SRV_CMD_CONFIG, 0); + else + status = HI_Command(state, HI_RA_RAM_SRV_CMD_CONFIG, 0); + mutex_unlock(&state->mutex); + return status; +} + +static int InitHI(struct drxd_state *state) +{ + state->hi_cfg_wakeup_key = (state->chip_adr); + /* port/bridge/power down ctrl */ + state->hi_cfg_ctrl = HI_RA_RAM_SRV_CFG_ACT_SLV0_ON; + return HI_CfgCommand(state); +} + +static int HI_ResetCommand(struct drxd_state *state) +{ + int status; + + mutex_lock(&state->mutex); + status = Write16(state, HI_RA_RAM_SRV_RST_KEY__A, + HI_RA_RAM_SRV_RST_KEY_ACT, 0); + if (status == 0) + status = HI_Command(state, HI_RA_RAM_SRV_CMD_RESET, 0); + mutex_unlock(&state->mutex); + msleep(1); + return status; +} + +static int DRX_ConfigureI2CBridge(struct drxd_state *state, int bEnableBridge) +{ + state->hi_cfg_ctrl &= (~HI_RA_RAM_SRV_CFG_ACT_BRD__M); + if (bEnableBridge) + state->hi_cfg_ctrl |= HI_RA_RAM_SRV_CFG_ACT_BRD_ON; + else + state->hi_cfg_ctrl |= HI_RA_RAM_SRV_CFG_ACT_BRD_OFF; + + return HI_CfgCommand(state); +} + +#define HI_TR_WRITE 0x9 +#define HI_TR_READ 0xA +#define HI_TR_READ_WRITE 0xB +#define HI_TR_BROADCAST 0x4 + +#if 0 +static int AtomicReadBlock(struct drxd_state *state, + u32 Addr, u16 DataSize, u8 *pData, u8 Flags) +{ + int status; + int i = 0; + + /* Parameter check */ + if ((!pData) || ((DataSize & 1) != 0)) + return -1; + + mutex_lock(&state->mutex); + + do { + /* Instruct HI to read n bytes */ + /* TODO use proper names forthese egisters */ + status = Write16(state, HI_RA_RAM_SRV_CFG_KEY__A, (HI_TR_FUNC_ADDR & 0xFFFF), 0); + if (status < 0) + break; + status = Write16(state, HI_RA_RAM_SRV_CFG_DIV__A, (u16) (Addr >> 16), 0); + if (status < 0) + break; + status = Write16(state, HI_RA_RAM_SRV_CFG_BDL__A, (u16) (Addr & 0xFFFF), 0); + if (status < 0) + break; + status = Write16(state, HI_RA_RAM_SRV_CFG_WUP__A, (u16) ((DataSize / 2) - 1), 0); + if (status < 0) + break; + status = Write16(state, HI_RA_RAM_SRV_CFG_ACT__A, HI_TR_READ, 0); + if (status < 0) + break; + + status = HI_Command(state, HI_RA_RAM_SRV_CMD_EXECUTE, 0); + if (status < 0) + break; + + } while (0); + + if (status >= 0) { + for (i = 0; i < (DataSize / 2); i += 1) { + u16 word; + + status = Read16(state, (HI_RA_RAM_USR_BEGIN__A + i), + &word, 0); + if (status < 0) + break; + pData[2 * i] = (u8) (word & 0xFF); + pData[(2 * i) + 1] = (u8) (word >> 8); + } + } + mutex_unlock(&state->mutex); + return status; +} + +static int AtomicReadReg32(struct drxd_state *state, + u32 Addr, u32 *pData, u8 Flags) +{ + u8 buf[sizeof(u32)]; + int status; + + if (!pData) + return -1; + status = AtomicReadBlock(state, Addr, sizeof(u32), buf, Flags); + *pData = (((u32) buf[0]) << 0) + + (((u32) buf[1]) << 8) + + (((u32) buf[2]) << 16) + (((u32) buf[3]) << 24); + return status; +} +#endif + +static int StopAllProcessors(struct drxd_state *state) +{ + return Write16(state, HI_COMM_EXEC__A, + SC_COMM_EXEC_CTL_STOP, DRX_I2C_BROADCAST); +} + +static int EnableAndResetMB(struct drxd_state *state) +{ + if (state->type_A) { + /* disable? monitor bus observe @ EC_OC */ + Write16(state, EC_OC_REG_OC_MON_SIO__A, 0x0000, 0x0000); + } + + /* do inverse broadcast, followed by explicit write to HI */ + Write16(state, HI_COMM_MB__A, 0x0000, DRX_I2C_BROADCAST); + Write16(state, HI_COMM_MB__A, 0x0000, 0x0000); + return 0; +} + +static int InitCC(struct drxd_state *state) +{ + if (state->osc_clock_freq == 0 || + state->osc_clock_freq > 20000 || + (state->osc_clock_freq % 4000) != 0) { + printk(KERN_ERR "invalid osc frequency %d\n", state->osc_clock_freq); + return -1; + } + + Write16(state, CC_REG_OSC_MODE__A, CC_REG_OSC_MODE_M20, 0); + Write16(state, CC_REG_PLL_MODE__A, CC_REG_PLL_MODE_BYPASS_PLL | + CC_REG_PLL_MODE_PUMP_CUR_12, 0); + Write16(state, CC_REG_REF_DIVIDE__A, state->osc_clock_freq / 4000, 0); + Write16(state, CC_REG_PWD_MODE__A, CC_REG_PWD_MODE_DOWN_PLL, 0); + Write16(state, CC_REG_UPDATE__A, CC_REG_UPDATE_KEY, 0); + + return 0; +} + +static int ResetECOD(struct drxd_state *state) +{ + int status = 0; + + if (state->type_A) + status = Write16(state, EC_OD_REG_SYNC__A, 0x0664, 0); + else + status = Write16(state, B_EC_OD_REG_SYNC__A, 0x0664, 0); + + if (!(status < 0)) + status = WriteTable(state, state->m_ResetECRAM); + if (!(status < 0)) + status = Write16(state, EC_OD_REG_COMM_EXEC__A, 0x0001, 0); + return status; +} + +/* Configure PGA switch */ + +static int SetCfgPga(struct drxd_state *state, int pgaSwitch) +{ + int status; + u16 AgModeLop = 0; + u16 AgModeHip = 0; + do { + if (pgaSwitch) { + /* PGA on */ + /* fine gain */ + status = Read16(state, B_FE_AG_REG_AG_MODE_LOP__A, &AgModeLop, 0x0000); + if (status < 0) + break; + AgModeLop &= (~(B_FE_AG_REG_AG_MODE_LOP_MODE_C__M)); + AgModeLop |= B_FE_AG_REG_AG_MODE_LOP_MODE_C_DYNAMIC; + status = Write16(state, B_FE_AG_REG_AG_MODE_LOP__A, AgModeLop, 0x0000); + if (status < 0) + break; + + /* coarse gain */ + status = Read16(state, B_FE_AG_REG_AG_MODE_HIP__A, &AgModeHip, 0x0000); + if (status < 0) + break; + AgModeHip &= (~(B_FE_AG_REG_AG_MODE_HIP_MODE_J__M)); + AgModeHip |= B_FE_AG_REG_AG_MODE_HIP_MODE_J_DYNAMIC; + status = Write16(state, B_FE_AG_REG_AG_MODE_HIP__A, AgModeHip, 0x0000); + if (status < 0) + break; + + /* enable fine and coarse gain, enable AAF, + no ext resistor */ + status = Write16(state, B_FE_AG_REG_AG_PGA_MODE__A, B_FE_AG_REG_AG_PGA_MODE_PFY_PCY_AFY_REN, 0x0000); + if (status < 0) + break; + } else { + /* PGA off, bypass */ + + /* fine gain */ + status = Read16(state, B_FE_AG_REG_AG_MODE_LOP__A, &AgModeLop, 0x0000); + if (status < 0) + break; + AgModeLop &= (~(B_FE_AG_REG_AG_MODE_LOP_MODE_C__M)); + AgModeLop |= B_FE_AG_REG_AG_MODE_LOP_MODE_C_STATIC; + status = Write16(state, B_FE_AG_REG_AG_MODE_LOP__A, AgModeLop, 0x0000); + if (status < 0) + break; + + /* coarse gain */ + status = Read16(state, B_FE_AG_REG_AG_MODE_HIP__A, &AgModeHip, 0x0000); + if (status < 0) + break; + AgModeHip &= (~(B_FE_AG_REG_AG_MODE_HIP_MODE_J__M)); + AgModeHip |= B_FE_AG_REG_AG_MODE_HIP_MODE_J_STATIC; + status = Write16(state, B_FE_AG_REG_AG_MODE_HIP__A, AgModeHip, 0x0000); + if (status < 0) + break; + + /* disable fine and coarse gain, enable AAF, + no ext resistor */ + status = Write16(state, B_FE_AG_REG_AG_PGA_MODE__A, B_FE_AG_REG_AG_PGA_MODE_PFN_PCN_AFY_REN, 0x0000); + if (status < 0) + break; + } + } while (0); + return status; +} + +static int InitFE(struct drxd_state *state) +{ + int status; + + do { + status = WriteTable(state, state->m_InitFE_1); + if (status < 0) + break; + + if (state->type_A) { + status = Write16(state, FE_AG_REG_AG_PGA_MODE__A, + FE_AG_REG_AG_PGA_MODE_PFN_PCN_AFY_REN, + 0); + } else { + if (state->PGA) + status = SetCfgPga(state, 0); + else + status = + Write16(state, B_FE_AG_REG_AG_PGA_MODE__A, + B_FE_AG_REG_AG_PGA_MODE_PFN_PCN_AFY_REN, + 0); + } + + if (status < 0) + break; + status = Write16(state, FE_AG_REG_AG_AGC_SIO__A, state->m_FeAgRegAgAgcSio, 0x0000); + if (status < 0) + break; + status = Write16(state, FE_AG_REG_AG_PWD__A, state->m_FeAgRegAgPwd, 0x0000); + if (status < 0) + break; + + status = WriteTable(state, state->m_InitFE_2); + if (status < 0) + break; + + } while (0); + + return status; +} + +static int InitFT(struct drxd_state *state) +{ + /* + norm OFFSET, MB says =2 voor 8K en =3 voor 2K waarschijnlijk + SC stuff + */ + return Write16(state, FT_REG_COMM_EXEC__A, 0x0001, 0x0000); +} + +static int SC_WaitForReady(struct drxd_state *state) +{ + u16 curCmd; + int i; + + for (i = 0; i < DRXD_MAX_RETRIES; i += 1) { + int status = Read16(state, SC_RA_RAM_CMD__A, &curCmd, 0); + if (status == 0 || curCmd == 0) + return status; + } + return -1; +} + +static int SC_SendCommand(struct drxd_state *state, u16 cmd) +{ + int status = 0; + u16 errCode; + + Write16(state, SC_RA_RAM_CMD__A, cmd, 0); + SC_WaitForReady(state); + + Read16(state, SC_RA_RAM_CMD_ADDR__A, &errCode, 0); + + if (errCode == 0xFFFF) { + printk(KERN_ERR "Command Error\n"); + status = -1; + } + + return status; +} + +static int SC_ProcStartCommand(struct drxd_state *state, + u16 subCmd, u16 param0, u16 param1) +{ + int status = 0; + u16 scExec; + + mutex_lock(&state->mutex); + do { + Read16(state, SC_COMM_EXEC__A, &scExec, 0); + if (scExec != 1) { + status = -1; + break; + } + SC_WaitForReady(state); + Write16(state, SC_RA_RAM_CMD_ADDR__A, subCmd, 0); + Write16(state, SC_RA_RAM_PARAM1__A, param1, 0); + Write16(state, SC_RA_RAM_PARAM0__A, param0, 0); + + SC_SendCommand(state, SC_RA_RAM_CMD_PROC_START); + } while (0); + mutex_unlock(&state->mutex); + return status; +} + +static int SC_SetPrefParamCommand(struct drxd_state *state, + u16 subCmd, u16 param0, u16 param1) +{ + int status; + + mutex_lock(&state->mutex); + do { + status = SC_WaitForReady(state); + if (status < 0) + break; + status = Write16(state, SC_RA_RAM_CMD_ADDR__A, subCmd, 0); + if (status < 0) + break; + status = Write16(state, SC_RA_RAM_PARAM1__A, param1, 0); + if (status < 0) + break; + status = Write16(state, SC_RA_RAM_PARAM0__A, param0, 0); + if (status < 0) + break; + + status = SC_SendCommand(state, SC_RA_RAM_CMD_SET_PREF_PARAM); + if (status < 0) + break; + } while (0); + mutex_unlock(&state->mutex); + return status; +} + +#if 0 +static int SC_GetOpParamCommand(struct drxd_state *state, u16 * result) +{ + int status = 0; + + mutex_lock(&state->mutex); + do { + status = SC_WaitForReady(state); + if (status < 0) + break; + status = SC_SendCommand(state, SC_RA_RAM_CMD_GET_OP_PARAM); + if (status < 0) + break; + status = Read16(state, SC_RA_RAM_PARAM0__A, result, 0); + if (status < 0) + break; + } while (0); + mutex_unlock(&state->mutex); + return status; +} +#endif + +static int ConfigureMPEGOutput(struct drxd_state *state, int bEnableOutput) +{ + int status; + + do { + u16 EcOcRegIprInvMpg = 0; + u16 EcOcRegOcModeLop = 0; + u16 EcOcRegOcModeHip = 0; + u16 EcOcRegOcMpgSio = 0; + + /*CHK_ERROR(Read16(state, EC_OC_REG_OC_MODE_LOP__A, &EcOcRegOcModeLop, 0)); */ + + if (state->operation_mode == OM_DVBT_Diversity_Front) { + if (bEnableOutput) { + EcOcRegOcModeHip |= + B_EC_OC_REG_OC_MODE_HIP_MPG_BUS_SRC_MONITOR; + } else + EcOcRegOcMpgSio |= EC_OC_REG_OC_MPG_SIO__M; + EcOcRegOcModeLop |= + EC_OC_REG_OC_MODE_LOP_PAR_ENA_DISABLE; + } else { + EcOcRegOcModeLop = state->m_EcOcRegOcModeLop; + + if (bEnableOutput) + EcOcRegOcMpgSio &= (~(EC_OC_REG_OC_MPG_SIO__M)); + else + EcOcRegOcMpgSio |= EC_OC_REG_OC_MPG_SIO__M; + + /* Don't Insert RS Byte */ + if (state->insert_rs_byte) { + EcOcRegOcModeLop &= + (~(EC_OC_REG_OC_MODE_LOP_PAR_ENA__M)); + EcOcRegOcModeHip &= + (~EC_OC_REG_OC_MODE_HIP_MPG_PAR_VAL__M); + EcOcRegOcModeHip |= + EC_OC_REG_OC_MODE_HIP_MPG_PAR_VAL_ENABLE; + } else { + EcOcRegOcModeLop |= + EC_OC_REG_OC_MODE_LOP_PAR_ENA_DISABLE; + EcOcRegOcModeHip &= + (~EC_OC_REG_OC_MODE_HIP_MPG_PAR_VAL__M); + EcOcRegOcModeHip |= + EC_OC_REG_OC_MODE_HIP_MPG_PAR_VAL_DISABLE; + } + + /* Mode = Parallel */ + if (state->enable_parallel) + EcOcRegOcModeLop &= + (~(EC_OC_REG_OC_MODE_LOP_MPG_TRM_MDE__M)); + else + EcOcRegOcModeLop |= + EC_OC_REG_OC_MODE_LOP_MPG_TRM_MDE_SERIAL; + } + /* Invert Data */ + /* EcOcRegIprInvMpg |= 0x00FF; */ + EcOcRegIprInvMpg &= (~(0x00FF)); + + /* Invert Error ( we don't use the pin ) */ + /* EcOcRegIprInvMpg |= 0x0100; */ + EcOcRegIprInvMpg &= (~(0x0100)); + + /* Invert Start ( we don't use the pin ) */ + /* EcOcRegIprInvMpg |= 0x0200; */ + EcOcRegIprInvMpg &= (~(0x0200)); + + /* Invert Valid ( we don't use the pin ) */ + /* EcOcRegIprInvMpg |= 0x0400; */ + EcOcRegIprInvMpg &= (~(0x0400)); + + /* Invert Clock */ + /* EcOcRegIprInvMpg |= 0x0800; */ + EcOcRegIprInvMpg &= (~(0x0800)); + + /* EcOcRegOcModeLop =0x05; */ + status = Write16(state, EC_OC_REG_IPR_INV_MPG__A, EcOcRegIprInvMpg, 0); + if (status < 0) + break; + status = Write16(state, EC_OC_REG_OC_MODE_LOP__A, EcOcRegOcModeLop, 0); + if (status < 0) + break; + status = Write16(state, EC_OC_REG_OC_MODE_HIP__A, EcOcRegOcModeHip, 0x0000); + if (status < 0) + break; + status = Write16(state, EC_OC_REG_OC_MPG_SIO__A, EcOcRegOcMpgSio, 0); + if (status < 0) + break; + } while (0); + return status; +} + +static int SetDeviceTypeId(struct drxd_state *state) +{ + int status = 0; + u16 deviceId = 0; + + do { + status = Read16(state, CC_REG_JTAGID_L__A, &deviceId, 0); + if (status < 0) + break; + /* TODO: why twice? */ + status = Read16(state, CC_REG_JTAGID_L__A, &deviceId, 0); + if (status < 0) + break; + printk(KERN_INFO "drxd: deviceId = %04x\n", deviceId); + + state->type_A = 0; + state->PGA = 0; + state->diversity = 0; + if (deviceId == 0) { /* on A2 only 3975 available */ + state->type_A = 1; + printk(KERN_INFO "DRX3975D-A2\n"); + } else { + deviceId >>= 12; + printk(KERN_INFO "DRX397%dD-B1\n", deviceId); + switch (deviceId) { + case 4: + state->diversity = 1; + case 3: + case 7: + state->PGA = 1; + break; + case 6: + state->diversity = 1; + case 5: + case 8: + break; + default: + status = -1; + break; + } + } + } while (0); + + if (status < 0) + return status; + + /* Init Table selection */ + state->m_InitAtomicRead = DRXD_InitAtomicRead; + state->m_InitSC = DRXD_InitSC; + state->m_ResetECRAM = DRXD_ResetECRAM; + if (state->type_A) { + state->m_ResetCEFR = DRXD_ResetCEFR; + state->m_InitFE_1 = DRXD_InitFEA2_1; + state->m_InitFE_2 = DRXD_InitFEA2_2; + state->m_InitCP = DRXD_InitCPA2; + state->m_InitCE = DRXD_InitCEA2; + state->m_InitEQ = DRXD_InitEQA2; + state->m_InitEC = DRXD_InitECA2; + if (load_firmware(state, DRX_FW_FILENAME_A2)) + return -EIO; + } else { + state->m_ResetCEFR = NULL; + state->m_InitFE_1 = DRXD_InitFEB1_1; + state->m_InitFE_2 = DRXD_InitFEB1_2; + state->m_InitCP = DRXD_InitCPB1; + state->m_InitCE = DRXD_InitCEB1; + state->m_InitEQ = DRXD_InitEQB1; + state->m_InitEC = DRXD_InitECB1; + if (load_firmware(state, DRX_FW_FILENAME_B1)) + return -EIO; + } + if (state->diversity) { + state->m_InitDiversityFront = DRXD_InitDiversityFront; + state->m_InitDiversityEnd = DRXD_InitDiversityEnd; + state->m_DisableDiversity = DRXD_DisableDiversity; + state->m_StartDiversityFront = DRXD_StartDiversityFront; + state->m_StartDiversityEnd = DRXD_StartDiversityEnd; + state->m_DiversityDelay8MHZ = DRXD_DiversityDelay8MHZ; + state->m_DiversityDelay6MHZ = DRXD_DiversityDelay6MHZ; + } else { + state->m_InitDiversityFront = NULL; + state->m_InitDiversityEnd = NULL; + state->m_DisableDiversity = NULL; + state->m_StartDiversityFront = NULL; + state->m_StartDiversityEnd = NULL; + state->m_DiversityDelay8MHZ = NULL; + state->m_DiversityDelay6MHZ = NULL; + } + + return status; +} + +static int CorrectSysClockDeviation(struct drxd_state *state) +{ + int status; + s32 incr = 0; + s32 nomincr = 0; + u32 bandwidth = 0; + u32 sysClockInHz = 0; + u32 sysClockFreq = 0; /* in kHz */ + s16 oscClockDeviation; + s16 Diff; + + do { + /* Retrieve bandwidth and incr, sanity check */ + + /* These accesses should be AtomicReadReg32, but that + causes trouble (at least for diversity */ + status = Read32(state, LC_RA_RAM_IFINCR_NOM_L__A, ((u32 *) &nomincr), 0); + if (status < 0) + break; + status = Read32(state, FE_IF_REG_INCR0__A, (u32 *) &incr, 0); + if (status < 0) + break; + + if (state->type_A) { + if ((nomincr - incr < -500) || (nomincr - incr > 500)) + break; + } else { + if ((nomincr - incr < -2000) || (nomincr - incr > 2000)) + break; + } + + switch (state->props.bandwidth_hz) { + case 8000000: + bandwidth = DRXD_BANDWIDTH_8MHZ_IN_HZ; + break; + case 7000000: + bandwidth = DRXD_BANDWIDTH_7MHZ_IN_HZ; + break; + case 6000000: + bandwidth = DRXD_BANDWIDTH_6MHZ_IN_HZ; + break; + default: + return -1; + break; + } + + /* Compute new sysclock value + sysClockFreq = (((incr + 2^23)*bandwidth)/2^21)/1000 */ + incr += (1 << 23); + sysClockInHz = MulDiv32(incr, bandwidth, 1 << 21); + sysClockFreq = (u32) (sysClockInHz / 1000); + /* rounding */ + if ((sysClockInHz % 1000) > 500) + sysClockFreq++; + + /* Compute clock deviation in ppm */ + oscClockDeviation = (u16) ((((s32) (sysClockFreq) - + (s32) + (state->expected_sys_clock_freq)) * + 1000000L) / + (s32) + (state->expected_sys_clock_freq)); + + Diff = oscClockDeviation - state->osc_clock_deviation; + /*printk(KERN_INFO "sysclockdiff=%d\n", Diff); */ + if (Diff >= -200 && Diff <= 200) { + state->sys_clock_freq = (u16) sysClockFreq; + if (oscClockDeviation != state->osc_clock_deviation) { + if (state->config.osc_deviation) { + state->config.osc_deviation(state->priv, + oscClockDeviation, + 1); + state->osc_clock_deviation = + oscClockDeviation; + } + } + /* switch OFF SRMM scan in SC */ + status = Write16(state, SC_RA_RAM_SAMPLE_RATE_COUNT__A, DRXD_OSCDEV_DONT_SCAN, 0); + if (status < 0) + break; + /* overrule FE_IF internal value for + proper re-locking */ + status = Write16(state, SC_RA_RAM_IF_SAVE__AX, state->current_fe_if_incr, 0); + if (status < 0) + break; + state->cscd_state = CSCD_SAVED; + } + } while (0); + + return status; +} + +static int DRX_Stop(struct drxd_state *state) +{ + int status; + + if (state->drxd_state != DRXD_STARTED) + return 0; + + do { + if (state->cscd_state != CSCD_SAVED) { + u32 lock; + status = DRX_GetLockStatus(state, &lock); + if (status < 0) + break; + } + + status = StopOC(state); + if (status < 0) + break; + + state->drxd_state = DRXD_STOPPED; + + status = ConfigureMPEGOutput(state, 0); + if (status < 0) + break; + + if (state->type_A) { + /* Stop relevant processors off the device */ + status = Write16(state, EC_OD_REG_COMM_EXEC__A, 0x0000, 0x0000); + if (status < 0) + break; + + status = Write16(state, SC_COMM_EXEC__A, SC_COMM_EXEC_CTL_STOP, 0); + if (status < 0) + break; + status = Write16(state, LC_COMM_EXEC__A, SC_COMM_EXEC_CTL_STOP, 0); + if (status < 0) + break; + } else { + /* Stop all processors except HI & CC & FE */ + status = Write16(state, B_SC_COMM_EXEC__A, SC_COMM_EXEC_CTL_STOP, 0); + if (status < 0) + break; + status = Write16(state, B_LC_COMM_EXEC__A, SC_COMM_EXEC_CTL_STOP, 0); + if (status < 0) + break; + status = Write16(state, B_FT_COMM_EXEC__A, SC_COMM_EXEC_CTL_STOP, 0); + if (status < 0) + break; + status = Write16(state, B_CP_COMM_EXEC__A, SC_COMM_EXEC_CTL_STOP, 0); + if (status < 0) + break; + status = Write16(state, B_CE_COMM_EXEC__A, SC_COMM_EXEC_CTL_STOP, 0); + if (status < 0) + break; + status = Write16(state, B_EQ_COMM_EXEC__A, SC_COMM_EXEC_CTL_STOP, 0); + if (status < 0) + break; + status = Write16(state, EC_OD_REG_COMM_EXEC__A, 0x0000, 0); + if (status < 0) + break; + } + + } while (0); + return status; +} + +int SetOperationMode(struct drxd_state *state, int oMode) +{ + int status; + + do { + if (state->drxd_state != DRXD_STOPPED) { + status = -1; + break; + } + + if (oMode == state->operation_mode) { + status = 0; + break; + } + + if (oMode != OM_Default && !state->diversity) { + status = -1; + break; + } + + switch (oMode) { + case OM_DVBT_Diversity_Front: + status = WriteTable(state, state->m_InitDiversityFront); + break; + case OM_DVBT_Diversity_End: + status = WriteTable(state, state->m_InitDiversityEnd); + break; + case OM_Default: + /* We need to check how to + get DRXD out of diversity */ + default: + status = WriteTable(state, state->m_DisableDiversity); + break; + } + } while (0); + + if (!status) + state->operation_mode = oMode; + return status; +} + +static int StartDiversity(struct drxd_state *state) +{ + int status = 0; + u16 rcControl; + + do { + if (state->operation_mode == OM_DVBT_Diversity_Front) { + status = WriteTable(state, state->m_StartDiversityFront); + if (status < 0) + break; + } else if (state->operation_mode == OM_DVBT_Diversity_End) { + status = WriteTable(state, state->m_StartDiversityEnd); + if (status < 0) + break; + if (state->props.bandwidth_hz == 8000000) { + status = WriteTable(state, state->m_DiversityDelay8MHZ); + if (status < 0) + break; + } else { + status = WriteTable(state, state->m_DiversityDelay6MHZ); + if (status < 0) + break; + } + + status = Read16(state, B_EQ_REG_RC_SEL_CAR__A, &rcControl, 0); + if (status < 0) + break; + rcControl &= ~(B_EQ_REG_RC_SEL_CAR_FFTMODE__M); + rcControl |= B_EQ_REG_RC_SEL_CAR_DIV_ON | + /* combining enabled */ + B_EQ_REG_RC_SEL_CAR_MEAS_A_CC | + B_EQ_REG_RC_SEL_CAR_PASS_A_CC | + B_EQ_REG_RC_SEL_CAR_LOCAL_A_CC; + status = Write16(state, B_EQ_REG_RC_SEL_CAR__A, rcControl, 0); + if (status < 0) + break; + } + } while (0); + return status; +} + +static int SetFrequencyShift(struct drxd_state *state, + u32 offsetFreq, int channelMirrored) +{ + int negativeShift = (state->tuner_mirrors == channelMirrored); + + /* Handle all mirroring + * + * Note: ADC mirroring (aliasing) is implictly handled by limiting + * feFsRegAddInc to 28 bits below + * (if the result before masking is more than 28 bits, this means + * that the ADC is mirroring. + * The masking is in fact the aliasing of the ADC) + * + */ + + /* Compute register value, unsigned computation */ + state->fe_fs_add_incr = MulDiv32(state->intermediate_freq + + offsetFreq, + 1 << 28, state->sys_clock_freq); + /* Remove integer part */ + state->fe_fs_add_incr &= 0x0FFFFFFFL; + if (negativeShift) + state->fe_fs_add_incr = ((1 << 28) - state->fe_fs_add_incr); + + /* Save the frequency shift without tunerOffset compensation + for CtrlGetChannel. */ + state->org_fe_fs_add_incr = MulDiv32(state->intermediate_freq, + 1 << 28, state->sys_clock_freq); + /* Remove integer part */ + state->org_fe_fs_add_incr &= 0x0FFFFFFFL; + if (negativeShift) + state->org_fe_fs_add_incr = ((1L << 28) - + state->org_fe_fs_add_incr); + + return Write32(state, FE_FS_REG_ADD_INC_LOP__A, + state->fe_fs_add_incr, 0); +} + +static int SetCfgNoiseCalibration(struct drxd_state *state, + struct SNoiseCal *noiseCal) +{ + u16 beOptEna; + int status = 0; + + do { + status = Read16(state, SC_RA_RAM_BE_OPT_ENA__A, &beOptEna, 0); + if (status < 0) + break; + if (noiseCal->cpOpt) { + beOptEna |= (1 << SC_RA_RAM_BE_OPT_ENA_CP_OPT); + } else { + beOptEna &= ~(1 << SC_RA_RAM_BE_OPT_ENA_CP_OPT); + status = Write16(state, CP_REG_AC_NEXP_OFFS__A, noiseCal->cpNexpOfs, 0); + if (status < 0) + break; + } + status = Write16(state, SC_RA_RAM_BE_OPT_ENA__A, beOptEna, 0); + if (status < 0) + break; + + if (!state->type_A) { + status = Write16(state, B_SC_RA_RAM_CO_TD_CAL_2K__A, noiseCal->tdCal2k, 0); + if (status < 0) + break; + status = Write16(state, B_SC_RA_RAM_CO_TD_CAL_8K__A, noiseCal->tdCal8k, 0); + if (status < 0) + break; + } + } while (0); + + return status; +} + +static int DRX_Start(struct drxd_state *state, s32 off) +{ + struct dtv_frontend_properties *p = &state->props; + int status; + + u16 transmissionParams = 0; + u16 operationMode = 0; + u16 qpskTdTpsPwr = 0; + u16 qam16TdTpsPwr = 0; + u16 qam64TdTpsPwr = 0; + u32 feIfIncr = 0; + u32 bandwidth = 0; + int mirrorFreqSpect; + + u16 qpskSnCeGain = 0; + u16 qam16SnCeGain = 0; + u16 qam64SnCeGain = 0; + u16 qpskIsGainMan = 0; + u16 qam16IsGainMan = 0; + u16 qam64IsGainMan = 0; + u16 qpskIsGainExp = 0; + u16 qam16IsGainExp = 0; + u16 qam64IsGainExp = 0; + u16 bandwidthParam = 0; + + if (off < 0) + off = (off - 500) / 1000; + else + off = (off + 500) / 1000; + + do { + if (state->drxd_state != DRXD_STOPPED) + return -1; + status = ResetECOD(state); + if (status < 0) + break; + if (state->type_A) { + status = InitSC(state); + if (status < 0) + break; + } else { + status = InitFT(state); + if (status < 0) + break; + status = InitCP(state); + if (status < 0) + break; + status = InitCE(state); + if (status < 0) + break; + status = InitEQ(state); + if (status < 0) + break; + status = InitSC(state); + if (status < 0) + break; + } + + /* Restore current IF & RF AGC settings */ + + status = SetCfgIfAgc(state, &state->if_agc_cfg); + if (status < 0) + break; + status = SetCfgRfAgc(state, &state->rf_agc_cfg); + if (status < 0) + break; + + mirrorFreqSpect = (state->props.inversion == INVERSION_ON); + + switch (p->transmission_mode) { + default: /* Not set, detect it automatically */ + operationMode |= SC_RA_RAM_OP_AUTO_MODE__M; + /* fall through , try first guess DRX_FFTMODE_8K */ + case TRANSMISSION_MODE_8K: + transmissionParams |= SC_RA_RAM_OP_PARAM_MODE_8K; + if (state->type_A) { + status = Write16(state, EC_SB_REG_TR_MODE__A, EC_SB_REG_TR_MODE_8K, 0x0000); + if (status < 0) + break; + qpskSnCeGain = 99; + qam16SnCeGain = 83; + qam64SnCeGain = 67; + } + break; + case TRANSMISSION_MODE_2K: + transmissionParams |= SC_RA_RAM_OP_PARAM_MODE_2K; + if (state->type_A) { + status = Write16(state, EC_SB_REG_TR_MODE__A, EC_SB_REG_TR_MODE_2K, 0x0000); + if (status < 0) + break; + qpskSnCeGain = 97; + qam16SnCeGain = 71; + qam64SnCeGain = 65; + } + break; + } + + switch (p->guard_interval) { + case GUARD_INTERVAL_1_4: + transmissionParams |= SC_RA_RAM_OP_PARAM_GUARD_4; + break; + case GUARD_INTERVAL_1_8: + transmissionParams |= SC_RA_RAM_OP_PARAM_GUARD_8; + break; + case GUARD_INTERVAL_1_16: + transmissionParams |= SC_RA_RAM_OP_PARAM_GUARD_16; + break; + case GUARD_INTERVAL_1_32: + transmissionParams |= SC_RA_RAM_OP_PARAM_GUARD_32; + break; + default: /* Not set, detect it automatically */ + operationMode |= SC_RA_RAM_OP_AUTO_GUARD__M; + /* try first guess 1/4 */ + transmissionParams |= SC_RA_RAM_OP_PARAM_GUARD_4; + break; + } + + switch (p->hierarchy) { + case HIERARCHY_1: + transmissionParams |= SC_RA_RAM_OP_PARAM_HIER_A1; + if (state->type_A) { + status = Write16(state, EQ_REG_OT_ALPHA__A, 0x0001, 0x0000); + if (status < 0) + break; + status = Write16(state, EC_SB_REG_ALPHA__A, 0x0001, 0x0000); + if (status < 0) + break; + + qpskTdTpsPwr = EQ_TD_TPS_PWR_UNKNOWN; + qam16TdTpsPwr = EQ_TD_TPS_PWR_QAM16_ALPHA1; + qam64TdTpsPwr = EQ_TD_TPS_PWR_QAM64_ALPHA1; + + qpskIsGainMan = + SC_RA_RAM_EQ_IS_GAIN_UNKNOWN_MAN__PRE; + qam16IsGainMan = + SC_RA_RAM_EQ_IS_GAIN_16QAM_MAN__PRE; + qam64IsGainMan = + SC_RA_RAM_EQ_IS_GAIN_64QAM_MAN__PRE; + + qpskIsGainExp = + SC_RA_RAM_EQ_IS_GAIN_UNKNOWN_EXP__PRE; + qam16IsGainExp = + SC_RA_RAM_EQ_IS_GAIN_16QAM_EXP__PRE; + qam64IsGainExp = + SC_RA_RAM_EQ_IS_GAIN_64QAM_EXP__PRE; + } + break; + + case HIERARCHY_2: + transmissionParams |= SC_RA_RAM_OP_PARAM_HIER_A2; + if (state->type_A) { + status = Write16(state, EQ_REG_OT_ALPHA__A, 0x0002, 0x0000); + if (status < 0) + break; + status = Write16(state, EC_SB_REG_ALPHA__A, 0x0002, 0x0000); + if (status < 0) + break; + + qpskTdTpsPwr = EQ_TD_TPS_PWR_UNKNOWN; + qam16TdTpsPwr = EQ_TD_TPS_PWR_QAM16_ALPHA2; + qam64TdTpsPwr = EQ_TD_TPS_PWR_QAM64_ALPHA2; + + qpskIsGainMan = + SC_RA_RAM_EQ_IS_GAIN_UNKNOWN_MAN__PRE; + qam16IsGainMan = + SC_RA_RAM_EQ_IS_GAIN_16QAM_A2_MAN__PRE; + qam64IsGainMan = + SC_RA_RAM_EQ_IS_GAIN_64QAM_A2_MAN__PRE; + + qpskIsGainExp = + SC_RA_RAM_EQ_IS_GAIN_UNKNOWN_EXP__PRE; + qam16IsGainExp = + SC_RA_RAM_EQ_IS_GAIN_16QAM_A2_EXP__PRE; + qam64IsGainExp = + SC_RA_RAM_EQ_IS_GAIN_64QAM_A2_EXP__PRE; + } + break; + case HIERARCHY_4: + transmissionParams |= SC_RA_RAM_OP_PARAM_HIER_A4; + if (state->type_A) { + status = Write16(state, EQ_REG_OT_ALPHA__A, 0x0003, 0x0000); + if (status < 0) + break; + status = Write16(state, EC_SB_REG_ALPHA__A, 0x0003, 0x0000); + if (status < 0) + break; + + qpskTdTpsPwr = EQ_TD_TPS_PWR_UNKNOWN; + qam16TdTpsPwr = EQ_TD_TPS_PWR_QAM16_ALPHA4; + qam64TdTpsPwr = EQ_TD_TPS_PWR_QAM64_ALPHA4; + + qpskIsGainMan = + SC_RA_RAM_EQ_IS_GAIN_UNKNOWN_MAN__PRE; + qam16IsGainMan = + SC_RA_RAM_EQ_IS_GAIN_16QAM_A4_MAN__PRE; + qam64IsGainMan = + SC_RA_RAM_EQ_IS_GAIN_64QAM_A4_MAN__PRE; + + qpskIsGainExp = + SC_RA_RAM_EQ_IS_GAIN_UNKNOWN_EXP__PRE; + qam16IsGainExp = + SC_RA_RAM_EQ_IS_GAIN_16QAM_A4_EXP__PRE; + qam64IsGainExp = + SC_RA_RAM_EQ_IS_GAIN_64QAM_A4_EXP__PRE; + } + break; + case HIERARCHY_AUTO: + default: + /* Not set, detect it automatically, start with none */ + operationMode |= SC_RA_RAM_OP_AUTO_HIER__M; + transmissionParams |= SC_RA_RAM_OP_PARAM_HIER_NO; + if (state->type_A) { + status = Write16(state, EQ_REG_OT_ALPHA__A, 0x0000, 0x0000); + if (status < 0) + break; + status = Write16(state, EC_SB_REG_ALPHA__A, 0x0000, 0x0000); + if (status < 0) + break; + + qpskTdTpsPwr = EQ_TD_TPS_PWR_QPSK; + qam16TdTpsPwr = EQ_TD_TPS_PWR_QAM16_ALPHAN; + qam64TdTpsPwr = EQ_TD_TPS_PWR_QAM64_ALPHAN; + + qpskIsGainMan = + SC_RA_RAM_EQ_IS_GAIN_QPSK_MAN__PRE; + qam16IsGainMan = + SC_RA_RAM_EQ_IS_GAIN_16QAM_MAN__PRE; + qam64IsGainMan = + SC_RA_RAM_EQ_IS_GAIN_64QAM_MAN__PRE; + + qpskIsGainExp = + SC_RA_RAM_EQ_IS_GAIN_QPSK_EXP__PRE; + qam16IsGainExp = + SC_RA_RAM_EQ_IS_GAIN_16QAM_EXP__PRE; + qam64IsGainExp = + SC_RA_RAM_EQ_IS_GAIN_64QAM_EXP__PRE; + } + break; + } + status = status; + if (status < 0) + break; + + switch (p->modulation) { + default: + operationMode |= SC_RA_RAM_OP_AUTO_CONST__M; + /* fall through , try first guess + DRX_CONSTELLATION_QAM64 */ + case QAM_64: + transmissionParams |= SC_RA_RAM_OP_PARAM_CONST_QAM64; + if (state->type_A) { + status = Write16(state, EQ_REG_OT_CONST__A, 0x0002, 0x0000); + if (status < 0) + break; + status = Write16(state, EC_SB_REG_CONST__A, EC_SB_REG_CONST_64QAM, 0x0000); + if (status < 0) + break; + status = Write16(state, EC_SB_REG_SCALE_MSB__A, 0x0020, 0x0000); + if (status < 0) + break; + status = Write16(state, EC_SB_REG_SCALE_BIT2__A, 0x0008, 0x0000); + if (status < 0) + break; + status = Write16(state, EC_SB_REG_SCALE_LSB__A, 0x0002, 0x0000); + if (status < 0) + break; + + status = Write16(state, EQ_REG_TD_TPS_PWR_OFS__A, qam64TdTpsPwr, 0x0000); + if (status < 0) + break; + status = Write16(state, EQ_REG_SN_CEGAIN__A, qam64SnCeGain, 0x0000); + if (status < 0) + break; + status = Write16(state, EQ_REG_IS_GAIN_MAN__A, qam64IsGainMan, 0x0000); + if (status < 0) + break; + status = Write16(state, EQ_REG_IS_GAIN_EXP__A, qam64IsGainExp, 0x0000); + if (status < 0) + break; + } + break; + case QPSK: + transmissionParams |= SC_RA_RAM_OP_PARAM_CONST_QPSK; + if (state->type_A) { + status = Write16(state, EQ_REG_OT_CONST__A, 0x0000, 0x0000); + if (status < 0) + break; + status = Write16(state, EC_SB_REG_CONST__A, EC_SB_REG_CONST_QPSK, 0x0000); + if (status < 0) + break; + status = Write16(state, EC_SB_REG_SCALE_MSB__A, 0x0010, 0x0000); + if (status < 0) + break; + status = Write16(state, EC_SB_REG_SCALE_BIT2__A, 0x0000, 0x0000); + if (status < 0) + break; + status = Write16(state, EC_SB_REG_SCALE_LSB__A, 0x0000, 0x0000); + if (status < 0) + break; + + status = Write16(state, EQ_REG_TD_TPS_PWR_OFS__A, qpskTdTpsPwr, 0x0000); + if (status < 0) + break; + status = Write16(state, EQ_REG_SN_CEGAIN__A, qpskSnCeGain, 0x0000); + if (status < 0) + break; + status = Write16(state, EQ_REG_IS_GAIN_MAN__A, qpskIsGainMan, 0x0000); + if (status < 0) + break; + status = Write16(state, EQ_REG_IS_GAIN_EXP__A, qpskIsGainExp, 0x0000); + if (status < 0) + break; + } + break; + + case QAM_16: + transmissionParams |= SC_RA_RAM_OP_PARAM_CONST_QAM16; + if (state->type_A) { + status = Write16(state, EQ_REG_OT_CONST__A, 0x0001, 0x0000); + if (status < 0) + break; + status = Write16(state, EC_SB_REG_CONST__A, EC_SB_REG_CONST_16QAM, 0x0000); + if (status < 0) + break; + status = Write16(state, EC_SB_REG_SCALE_MSB__A, 0x0010, 0x0000); + if (status < 0) + break; + status = Write16(state, EC_SB_REG_SCALE_BIT2__A, 0x0004, 0x0000); + if (status < 0) + break; + status = Write16(state, EC_SB_REG_SCALE_LSB__A, 0x0000, 0x0000); + if (status < 0) + break; + + status = Write16(state, EQ_REG_TD_TPS_PWR_OFS__A, qam16TdTpsPwr, 0x0000); + if (status < 0) + break; + status = Write16(state, EQ_REG_SN_CEGAIN__A, qam16SnCeGain, 0x0000); + if (status < 0) + break; + status = Write16(state, EQ_REG_IS_GAIN_MAN__A, qam16IsGainMan, 0x0000); + if (status < 0) + break; + status = Write16(state, EQ_REG_IS_GAIN_EXP__A, qam16IsGainExp, 0x0000); + if (status < 0) + break; + } + break; + + } + status = status; + if (status < 0) + break; + + switch (DRX_CHANNEL_HIGH) { + default: + case DRX_CHANNEL_AUTO: + case DRX_CHANNEL_LOW: + transmissionParams |= SC_RA_RAM_OP_PARAM_PRIO_LO; + status = Write16(state, EC_SB_REG_PRIOR__A, EC_SB_REG_PRIOR_LO, 0x0000); + if (status < 0) + break; + break; + case DRX_CHANNEL_HIGH: + transmissionParams |= SC_RA_RAM_OP_PARAM_PRIO_HI; + status = Write16(state, EC_SB_REG_PRIOR__A, EC_SB_REG_PRIOR_HI, 0x0000); + if (status < 0) + break; + break; + + } + + switch (p->code_rate_HP) { + case FEC_1_2: + transmissionParams |= SC_RA_RAM_OP_PARAM_RATE_1_2; + if (state->type_A) { + status = Write16(state, EC_VD_REG_SET_CODERATE__A, EC_VD_REG_SET_CODERATE_C1_2, 0x0000); + if (status < 0) + break; + } + break; + default: + operationMode |= SC_RA_RAM_OP_AUTO_RATE__M; + case FEC_2_3: + transmissionParams |= SC_RA_RAM_OP_PARAM_RATE_2_3; + if (state->type_A) { + status = Write16(state, EC_VD_REG_SET_CODERATE__A, EC_VD_REG_SET_CODERATE_C2_3, 0x0000); + if (status < 0) + break; + } + break; + case FEC_3_4: + transmissionParams |= SC_RA_RAM_OP_PARAM_RATE_3_4; + if (state->type_A) { + status = Write16(state, EC_VD_REG_SET_CODERATE__A, EC_VD_REG_SET_CODERATE_C3_4, 0x0000); + if (status < 0) + break; + } + break; + case FEC_5_6: + transmissionParams |= SC_RA_RAM_OP_PARAM_RATE_5_6; + if (state->type_A) { + status = Write16(state, EC_VD_REG_SET_CODERATE__A, EC_VD_REG_SET_CODERATE_C5_6, 0x0000); + if (status < 0) + break; + } + break; + case FEC_7_8: + transmissionParams |= SC_RA_RAM_OP_PARAM_RATE_7_8; + if (state->type_A) { + status = Write16(state, EC_VD_REG_SET_CODERATE__A, EC_VD_REG_SET_CODERATE_C7_8, 0x0000); + if (status < 0) + break; + } + break; + } + status = status; + if (status < 0) + break; + + /* First determine real bandwidth (Hz) */ + /* Also set delay for impulse noise cruncher (only A2) */ + /* 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 (p->bandwidth_hz) { + case 0: + p->bandwidth_hz = 8000000; + /* fall through */ + case 8000000: + /* (64/7)*(8/8)*1000000 */ + bandwidth = DRXD_BANDWIDTH_8MHZ_IN_HZ; + + bandwidthParam = 0; + status = Write16(state, + FE_AG_REG_IND_DEL__A, 50, 0x0000); + break; + case 7000000: + /* (64/7)*(7/8)*1000000 */ + bandwidth = DRXD_BANDWIDTH_7MHZ_IN_HZ; + bandwidthParam = 0x4807; /*binary:0100 1000 0000 0111 */ + status = Write16(state, + FE_AG_REG_IND_DEL__A, 59, 0x0000); + break; + case 6000000: + /* (64/7)*(6/8)*1000000 */ + bandwidth = DRXD_BANDWIDTH_6MHZ_IN_HZ; + bandwidthParam = 0x0F07; /*binary: 0000 1111 0000 0111 */ + status = Write16(state, + FE_AG_REG_IND_DEL__A, 71, 0x0000); + break; + default: + status = -EINVAL; + } + if (status < 0) + break; + + status = Write16(state, SC_RA_RAM_BAND__A, bandwidthParam, 0x0000); + if (status < 0) + break; + + { + u16 sc_config; + status = Read16(state, SC_RA_RAM_CONFIG__A, &sc_config, 0); + if (status < 0) + break; + + /* enable SLAVE mode in 2k 1/32 to + prevent timing change glitches */ + if ((p->transmission_mode == TRANSMISSION_MODE_2K) && + (p->guard_interval == GUARD_INTERVAL_1_32)) { + /* enable slave */ + sc_config |= SC_RA_RAM_CONFIG_SLAVE__M; + } else { + /* disable slave */ + sc_config &= ~SC_RA_RAM_CONFIG_SLAVE__M; + } + status = Write16(state, SC_RA_RAM_CONFIG__A, sc_config, 0); + if (status < 0) + break; + } + + status = SetCfgNoiseCalibration(state, &state->noise_cal); + if (status < 0) + break; + + if (state->cscd_state == CSCD_INIT) { + /* switch on SRMM scan in SC */ + status = Write16(state, SC_RA_RAM_SAMPLE_RATE_COUNT__A, DRXD_OSCDEV_DO_SCAN, 0x0000); + if (status < 0) + break; +/* CHK_ERROR(Write16(SC_RA_RAM_SAMPLE_RATE_STEP__A, DRXD_OSCDEV_STEP, 0x0000));*/ + state->cscd_state = CSCD_SET; + } + + /* Now compute FE_IF_REG_INCR */ + /*((( SysFreq/BandWidth)/2)/2) -1) * 2^23) => + ((SysFreq / BandWidth) * (2^21) ) - (2^23) */ + feIfIncr = MulDiv32(state->sys_clock_freq * 1000, + (1ULL << 21), bandwidth) - (1 << 23); + status = Write16(state, FE_IF_REG_INCR0__A, (u16) (feIfIncr & FE_IF_REG_INCR0__M), 0x0000); + if (status < 0) + break; + status = Write16(state, FE_IF_REG_INCR1__A, (u16) ((feIfIncr >> FE_IF_REG_INCR0__W) & FE_IF_REG_INCR1__M), 0x0000); + if (status < 0) + break; + /* Bandwidth setting done */ + + /* Mirror & frequency offset */ + SetFrequencyShift(state, off, mirrorFreqSpect); + + /* Start SC, write channel settings to SC */ + + /* Enable SC after setting all other parameters */ + status = Write16(state, SC_COMM_STATE__A, 0, 0x0000); + if (status < 0) + break; + status = Write16(state, SC_COMM_EXEC__A, 1, 0x0000); + if (status < 0) + break; + + /* Write SC parameter registers, operation mode */ +#if 1 + operationMode = (SC_RA_RAM_OP_AUTO_MODE__M | + SC_RA_RAM_OP_AUTO_GUARD__M | + SC_RA_RAM_OP_AUTO_CONST__M | + SC_RA_RAM_OP_AUTO_HIER__M | + SC_RA_RAM_OP_AUTO_RATE__M); +#endif + status = SC_SetPrefParamCommand(state, 0x0000, transmissionParams, operationMode); + if (status < 0) + break; + + /* Start correct processes to get in lock */ + status = SC_ProcStartCommand(state, SC_RA_RAM_PROC_LOCKTRACK, SC_RA_RAM_SW_EVENT_RUN_NMASK__M, SC_RA_RAM_LOCKTRACK_MIN); + if (status < 0) + break; + + status = StartOC(state); + if (status < 0) + break; + + if (state->operation_mode != OM_Default) { + status = StartDiversity(state); + if (status < 0) + break; + } + + state->drxd_state = DRXD_STARTED; + } while (0); + + return status; +} + +static int CDRXD(struct drxd_state *state, u32 IntermediateFrequency) +{ + u32 ulRfAgcOutputLevel = 0xffffffff; + u32 ulRfAgcSettleLevel = 528; /* Optimum value for MT2060 */ + u32 ulRfAgcMinLevel = 0; /* Currently unused */ + u32 ulRfAgcMaxLevel = DRXD_FE_CTRL_MAX; /* Currently unused */ + u32 ulRfAgcSpeed = 0; /* Currently unused */ + u32 ulRfAgcMode = 0; /*2; Off */ + u32 ulRfAgcR1 = 820; + u32 ulRfAgcR2 = 2200; + u32 ulRfAgcR3 = 150; + u32 ulIfAgcMode = 0; /* Auto */ + u32 ulIfAgcOutputLevel = 0xffffffff; + u32 ulIfAgcSettleLevel = 0xffffffff; + u32 ulIfAgcMinLevel = 0xffffffff; + u32 ulIfAgcMaxLevel = 0xffffffff; + u32 ulIfAgcSpeed = 0xffffffff; + u32 ulIfAgcR1 = 820; + u32 ulIfAgcR2 = 2200; + u32 ulIfAgcR3 = 150; + u32 ulClock = state->config.clock; + u32 ulSerialMode = 0; + u32 ulEcOcRegOcModeLop = 4; /* Dynamic DTO source */ + u32 ulHiI2cDelay = HI_I2C_DELAY; + u32 ulHiI2cBridgeDelay = HI_I2C_BRIDGE_DELAY; + u32 ulHiI2cPatch = 0; + u32 ulEnvironment = APPENV_PORTABLE; + u32 ulEnvironmentDiversity = APPENV_MOBILE; + u32 ulIFFilter = IFFILTER_SAW; + + state->if_agc_cfg.ctrlMode = AGC_CTRL_AUTO; + state->if_agc_cfg.outputLevel = 0; + state->if_agc_cfg.settleLevel = 140; + state->if_agc_cfg.minOutputLevel = 0; + state->if_agc_cfg.maxOutputLevel = 1023; + state->if_agc_cfg.speed = 904; + + if (ulIfAgcMode == 1 && ulIfAgcOutputLevel <= DRXD_FE_CTRL_MAX) { + state->if_agc_cfg.ctrlMode = AGC_CTRL_USER; + state->if_agc_cfg.outputLevel = (u16) (ulIfAgcOutputLevel); + } + + if (ulIfAgcMode == 0 && + ulIfAgcSettleLevel <= DRXD_FE_CTRL_MAX && + ulIfAgcMinLevel <= DRXD_FE_CTRL_MAX && + ulIfAgcMaxLevel <= DRXD_FE_CTRL_MAX && + ulIfAgcSpeed <= DRXD_FE_CTRL_MAX) { + state->if_agc_cfg.ctrlMode = AGC_CTRL_AUTO; + state->if_agc_cfg.settleLevel = (u16) (ulIfAgcSettleLevel); + state->if_agc_cfg.minOutputLevel = (u16) (ulIfAgcMinLevel); + state->if_agc_cfg.maxOutputLevel = (u16) (ulIfAgcMaxLevel); + state->if_agc_cfg.speed = (u16) (ulIfAgcSpeed); + } + + state->if_agc_cfg.R1 = (u16) (ulIfAgcR1); + state->if_agc_cfg.R2 = (u16) (ulIfAgcR2); + state->if_agc_cfg.R3 = (u16) (ulIfAgcR3); + + state->rf_agc_cfg.R1 = (u16) (ulRfAgcR1); + state->rf_agc_cfg.R2 = (u16) (ulRfAgcR2); + state->rf_agc_cfg.R3 = (u16) (ulRfAgcR3); + + state->rf_agc_cfg.ctrlMode = AGC_CTRL_AUTO; + /* rest of the RFAgcCfg structure currently unused */ + if (ulRfAgcMode == 1 && ulRfAgcOutputLevel <= DRXD_FE_CTRL_MAX) { + state->rf_agc_cfg.ctrlMode = AGC_CTRL_USER; + state->rf_agc_cfg.outputLevel = (u16) (ulRfAgcOutputLevel); + } + + if (ulRfAgcMode == 0 && + ulRfAgcSettleLevel <= DRXD_FE_CTRL_MAX && + ulRfAgcMinLevel <= DRXD_FE_CTRL_MAX && + ulRfAgcMaxLevel <= DRXD_FE_CTRL_MAX && + ulRfAgcSpeed <= DRXD_FE_CTRL_MAX) { + state->rf_agc_cfg.ctrlMode = AGC_CTRL_AUTO; + state->rf_agc_cfg.settleLevel = (u16) (ulRfAgcSettleLevel); + state->rf_agc_cfg.minOutputLevel = (u16) (ulRfAgcMinLevel); + state->rf_agc_cfg.maxOutputLevel = (u16) (ulRfAgcMaxLevel); + state->rf_agc_cfg.speed = (u16) (ulRfAgcSpeed); + } + + if (ulRfAgcMode == 2) + state->rf_agc_cfg.ctrlMode = AGC_CTRL_OFF; + + if (ulEnvironment <= 2) + state->app_env_default = (enum app_env) + (ulEnvironment); + if (ulEnvironmentDiversity <= 2) + state->app_env_diversity = (enum app_env) + (ulEnvironmentDiversity); + + if (ulIFFilter == IFFILTER_DISCRETE) { + /* discrete filter */ + state->noise_cal.cpOpt = 0; + state->noise_cal.cpNexpOfs = 40; + state->noise_cal.tdCal2k = -40; + state->noise_cal.tdCal8k = -24; + } else { + /* SAW filter */ + state->noise_cal.cpOpt = 1; + state->noise_cal.cpNexpOfs = 0; + state->noise_cal.tdCal2k = -21; + state->noise_cal.tdCal8k = -24; + } + state->m_EcOcRegOcModeLop = (u16) (ulEcOcRegOcModeLop); + + state->chip_adr = (state->config.demod_address << 1) | 1; + switch (ulHiI2cPatch) { + case 1: + state->m_HiI2cPatch = DRXD_HiI2cPatch_1; + break; + case 3: + state->m_HiI2cPatch = DRXD_HiI2cPatch_3; + break; + default: + state->m_HiI2cPatch = NULL; + } + + /* modify tuner and clock attributes */ + state->intermediate_freq = (u16) (IntermediateFrequency / 1000); + /* expected system clock frequency in kHz */ + state->expected_sys_clock_freq = 48000; + /* real system clock frequency in kHz */ + state->sys_clock_freq = 48000; + state->osc_clock_freq = (u16) ulClock; + state->osc_clock_deviation = 0; + state->cscd_state = CSCD_INIT; + state->drxd_state = DRXD_UNINITIALIZED; + + state->PGA = 0; + state->type_A = 0; + state->tuner_mirrors = 0; + + /* modify MPEG output attributes */ + state->insert_rs_byte = state->config.insert_rs_byte; + state->enable_parallel = (ulSerialMode != 1); + + /* Timing div, 250ns/Psys */ + /* Timing div, = ( delay (nano seconds) * sysclk (kHz) )/ 1000 */ + + state->hi_cfg_timing_div = (u16) ((state->sys_clock_freq / 1000) * + ulHiI2cDelay) / 1000; + /* Bridge delay, uses oscilator clock */ + /* Delay = ( delay (nano seconds) * oscclk (kHz) )/ 1000 */ + state->hi_cfg_bridge_delay = (u16) ((state->osc_clock_freq / 1000) * + ulHiI2cBridgeDelay) / 1000; + + state->m_FeAgRegAgPwd = DRXD_DEF_AG_PWD_CONSUMER; + /* state->m_FeAgRegAgPwd = DRXD_DEF_AG_PWD_PRO; */ + state->m_FeAgRegAgAgcSio = DRXD_DEF_AG_AGC_SIO; + return 0; +} + +int DRXD_init(struct drxd_state *state, const u8 * fw, u32 fw_size) +{ + int status = 0; + u32 driverVersion; + + if (state->init_done) + return 0; + + CDRXD(state, state->config.IF ? state->config.IF : 36000000); + + do { + state->operation_mode = OM_Default; + + status = SetDeviceTypeId(state); + if (status < 0) + break; + + /* Apply I2c address patch to B1 */ + if (!state->type_A && state->m_HiI2cPatch != NULL) + status = WriteTable(state, state->m_HiI2cPatch); + if (status < 0) + break; + + if (state->type_A) { + /* HI firmware patch for UIO readout, + avoid clearing of result register */ + status = Write16(state, 0x43012D, 0x047f, 0); + if (status < 0) + break; + } + + status = HI_ResetCommand(state); + if (status < 0) + break; + + status = StopAllProcessors(state); + if (status < 0) + break; + status = InitCC(state); + if (status < 0) + break; + + state->osc_clock_deviation = 0; + + if (state->config.osc_deviation) + state->osc_clock_deviation = + state->config.osc_deviation(state->priv, 0, 0); + { + /* Handle clock deviation */ + s32 devB; + s32 devA = (s32) (state->osc_clock_deviation) * + (s32) (state->expected_sys_clock_freq); + /* deviation in kHz */ + s32 deviation = (devA / (1000000L)); + /* rounding, signed */ + if (devA > 0) + devB = (2); + else + devB = (-2); + if ((devB * (devA % 1000000L) > 1000000L)) { + /* add +1 or -1 */ + deviation += (devB / 2); + } + + state->sys_clock_freq = + (u16) ((state->expected_sys_clock_freq) + + deviation); + } + status = InitHI(state); + if (status < 0) + break; + status = InitAtomicRead(state); + if (status < 0) + break; + + status = EnableAndResetMB(state); + if (status < 0) + break; + if (state->type_A) + status = ResetCEFR(state); + if (status < 0) + break; + + if (fw) { + status = DownloadMicrocode(state, fw, fw_size); + if (status < 0) + break; + } else { + status = DownloadMicrocode(state, state->microcode, state->microcode_length); + if (status < 0) + break; + } + + if (state->PGA) { + state->m_FeAgRegAgPwd = DRXD_DEF_AG_PWD_PRO; + SetCfgPga(state, 0); /* PGA = 0 dB */ + } else { + state->m_FeAgRegAgPwd = DRXD_DEF_AG_PWD_CONSUMER; + } + + state->m_FeAgRegAgAgcSio = DRXD_DEF_AG_AGC_SIO; + + status = InitFE(state); + if (status < 0) + break; + status = InitFT(state); + if (status < 0) + break; + status = InitCP(state); + if (status < 0) + break; + status = InitCE(state); + if (status < 0) + break; + status = InitEQ(state); + if (status < 0) + break; + status = InitEC(state); + if (status < 0) + break; + status = InitSC(state); + if (status < 0) + break; + + status = SetCfgIfAgc(state, &state->if_agc_cfg); + if (status < 0) + break; + status = SetCfgRfAgc(state, &state->rf_agc_cfg); + if (status < 0) + break; + + state->cscd_state = CSCD_INIT; + status = Write16(state, SC_COMM_EXEC__A, SC_COMM_EXEC_CTL_STOP, 0); + if (status < 0) + break; + status = Write16(state, LC_COMM_EXEC__A, SC_COMM_EXEC_CTL_STOP, 0); + if (status < 0) + break; + + driverVersion = (((VERSION_MAJOR / 10) << 4) + + (VERSION_MAJOR % 10)) << 24; + driverVersion += (((VERSION_MINOR / 10) << 4) + + (VERSION_MINOR % 10)) << 16; + driverVersion += ((VERSION_PATCH / 1000) << 12) + + ((VERSION_PATCH / 100) << 8) + + ((VERSION_PATCH / 10) << 4) + (VERSION_PATCH % 10); + + status = Write32(state, SC_RA_RAM_DRIVER_VERSION__AX, driverVersion, 0); + if (status < 0) + break; + + status = StopOC(state); + if (status < 0) + break; + + state->drxd_state = DRXD_STOPPED; + state->init_done = 1; + status = 0; + } while (0); + return status; +} + +int DRXD_status(struct drxd_state *state, u32 * pLockStatus) +{ + DRX_GetLockStatus(state, pLockStatus); + + /*if (*pLockStatus&DRX_LOCK_MPEG) */ + if (*pLockStatus & DRX_LOCK_FEC) { + ConfigureMPEGOutput(state, 1); + /* Get status again, in case we have MPEG lock now */ + /*DRX_GetLockStatus(state, pLockStatus); */ + } + + return 0; +} + +/****************************************************************************/ +/****************************************************************************/ +/****************************************************************************/ + +static int drxd_read_signal_strength(struct dvb_frontend *fe, u16 * strength) +{ + struct drxd_state *state = fe->demodulator_priv; + u32 value; + int res; + + res = ReadIFAgc(state, &value); + if (res < 0) + *strength = 0; + else + *strength = 0xffff - (value << 4); + return 0; +} + +static int drxd_read_status(struct dvb_frontend *fe, fe_status_t * status) +{ + struct drxd_state *state = fe->demodulator_priv; + u32 lock; + + DRXD_status(state, &lock); + *status = 0; + /* No MPEG lock in V255 firmware, bug ? */ +#if 1 + if (lock & DRX_LOCK_MPEG) + *status |= FE_HAS_LOCK; +#else + if (lock & DRX_LOCK_FEC) + *status |= FE_HAS_LOCK; +#endif + if (lock & DRX_LOCK_FEC) + *status |= FE_HAS_VITERBI | FE_HAS_SYNC; + if (lock & DRX_LOCK_DEMOD) + *status |= FE_HAS_CARRIER | FE_HAS_SIGNAL; + + return 0; +} + +static int drxd_init(struct dvb_frontend *fe) +{ + struct drxd_state *state = fe->demodulator_priv; + int err = 0; + +/* if (request_firmware(&state->fw, "drxd.fw", state->dev)<0) */ + return DRXD_init(state, 0, 0); + + err = DRXD_init(state, state->fw->data, state->fw->size); + release_firmware(state->fw); + return err; +} + +int drxd_config_i2c(struct dvb_frontend *fe, int onoff) +{ + struct drxd_state *state = fe->demodulator_priv; + + if (state->config.disable_i2c_gate_ctrl == 1) + return 0; + + return DRX_ConfigureI2CBridge(state, onoff); +} +EXPORT_SYMBOL(drxd_config_i2c); + +static int drxd_get_tune_settings(struct dvb_frontend *fe, + struct dvb_frontend_tune_settings *sets) +{ + sets->min_delay_ms = 10000; + sets->max_drift = 0; + sets->step_size = 0; + return 0; +} + +static int drxd_read_ber(struct dvb_frontend *fe, u32 * ber) +{ + *ber = 0; + return 0; +} + +static int drxd_read_snr(struct dvb_frontend *fe, u16 * snr) +{ + *snr = 0; + return 0; +} + +static int drxd_read_ucblocks(struct dvb_frontend *fe, u32 * ucblocks) +{ + *ucblocks = 0; + return 0; +} + +static int drxd_sleep(struct dvb_frontend *fe) +{ + struct drxd_state *state = fe->demodulator_priv; + + ConfigureMPEGOutput(state, 0); + return 0; +} + +static int drxd_i2c_gate_ctrl(struct dvb_frontend *fe, int enable) +{ + return drxd_config_i2c(fe, enable); +} + +static int drxd_set_frontend(struct dvb_frontend *fe) +{ + struct dtv_frontend_properties *p = &fe->dtv_property_cache; + struct drxd_state *state = fe->demodulator_priv; + s32 off = 0; + + state->props = *p; + DRX_Stop(state); + + 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); + } + + msleep(200); + + return DRX_Start(state, off); +} + +static void drxd_release(struct dvb_frontend *fe) +{ + struct drxd_state *state = fe->demodulator_priv; + + kfree(state); +} + +static struct dvb_frontend_ops drxd_ops = { + .delsys = { SYS_DVBT}, + .info = { + .name = "Micronas DRXD DVB-T", + .frequency_min = 47125000, + .frequency_max = 855250000, + .frequency_stepsize = 166667, + .frequency_tolerance = 0, + .caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | + FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | + FE_CAN_FEC_AUTO | + FE_CAN_QAM_16 | FE_CAN_QAM_64 | + FE_CAN_QAM_AUTO | + FE_CAN_TRANSMISSION_MODE_AUTO | + FE_CAN_GUARD_INTERVAL_AUTO | + FE_CAN_HIERARCHY_AUTO | FE_CAN_RECOVER | FE_CAN_MUTE_TS}, + + .release = drxd_release, + .init = drxd_init, + .sleep = drxd_sleep, + .i2c_gate_ctrl = drxd_i2c_gate_ctrl, + + .set_frontend = drxd_set_frontend, + .get_tune_settings = drxd_get_tune_settings, + + .read_status = drxd_read_status, + .read_ber = drxd_read_ber, + .read_signal_strength = drxd_read_signal_strength, + .read_snr = drxd_read_snr, + .read_ucblocks = drxd_read_ucblocks, +}; + +struct dvb_frontend *drxd_attach(const struct drxd_config *config, + void *priv, struct i2c_adapter *i2c, + struct device *dev) +{ + struct drxd_state *state = NULL; + + state = kmalloc(sizeof(struct drxd_state), GFP_KERNEL); + if (!state) + return NULL; + memset(state, 0, sizeof(*state)); + + memcpy(&state->ops, &drxd_ops, sizeof(struct dvb_frontend_ops)); + state->dev = dev; + state->config = *config; + state->i2c = i2c; + state->priv = priv; + + mutex_init(&state->mutex); + + if (Read16(state, 0, 0, 0) < 0) + goto error; + + memcpy(&state->frontend.ops, &drxd_ops, + sizeof(struct dvb_frontend_ops)); + state->frontend.demodulator_priv = state; + ConfigureMPEGOutput(state, 0); + return &state->frontend; + +error: + printk(KERN_ERR "drxd: not found\n"); + kfree(state); + return NULL; +} +EXPORT_SYMBOL(drxd_attach); + +MODULE_DESCRIPTION("DRXD driver"); +MODULE_AUTHOR("Micronas"); +MODULE_LICENSE("GPL"); |
