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, 0 insertions, 6637 deletions
diff --git a/drivers/media/dvb/frontends/drxk_hard.c b/drivers/media/dvb/frontends/drxk_hard.c deleted file mode 100644 index 1ab8154..0000000 --- a/drivers/media/dvb/frontends/drxk_hard.c +++ /dev/null @@ -1,6637 +0,0 @@ -/* - * 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"); |
