diff options
Diffstat (limited to 'drivers/media/dvb/frontends/dib8000.c')
| -rw-r--r-- | drivers/media/dvb/frontends/dib8000.c | 3560 |
1 files changed, 0 insertions, 3560 deletions
diff --git a/drivers/media/dvb/frontends/dib8000.c b/drivers/media/dvb/frontends/dib8000.c deleted file mode 100644 index 1f3bcb5..0000000 --- a/drivers/media/dvb/frontends/dib8000.c +++ /dev/null @@ -1,3560 +0,0 @@ -/* - * Linux-DVB Driver for DiBcom's DiB8000 chip (ISDB-T). - * - * Copyright (C) 2009 DiBcom (http://www.dibcom.fr/) - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation, version 2. - */ -#include <linux/kernel.h> -#include <linux/slab.h> -#include <linux/i2c.h> -#include <linux/mutex.h> - -#include "dvb_math.h" - -#include "dvb_frontend.h" - -#include "dib8000.h" - -#define LAYER_ALL -1 -#define LAYER_A 1 -#define LAYER_B 2 -#define LAYER_C 3 - -#define FE_CALLBACK_TIME_NEVER 0xffffffff -#define MAX_NUMBER_OF_FRONTENDS 6 - -static int debug; -module_param(debug, int, 0644); -MODULE_PARM_DESC(debug, "turn on debugging (default: 0)"); - -#define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiB8000: "); printk(args); printk("\n"); } } while (0) - -#define FE_STATUS_TUNE_FAILED 0 - -struct i2c_device { - struct i2c_adapter *adap; - u8 addr; - u8 *i2c_write_buffer; - u8 *i2c_read_buffer; - struct mutex *i2c_buffer_lock; -}; - -struct dib8000_state { - struct dib8000_config cfg; - - struct i2c_device i2c; - - struct dibx000_i2c_master i2c_master; - - u16 wbd_ref; - - u8 current_band; - u32 current_bandwidth; - struct dibx000_agc_config *current_agc; - u32 timf; - u32 timf_default; - - u8 div_force_off:1; - u8 div_state:1; - u16 div_sync_wait; - - u8 agc_state; - u8 differential_constellation; - u8 diversity_onoff; - - s16 ber_monitored_layer; - u16 gpio_dir; - u16 gpio_val; - - u16 revision; - u8 isdbt_cfg_loaded; - enum frontend_tune_state tune_state; - u32 status; - - struct dvb_frontend *fe[MAX_NUMBER_OF_FRONTENDS]; - - /* for the I2C transfer */ - struct i2c_msg msg[2]; - u8 i2c_write_buffer[4]; - u8 i2c_read_buffer[2]; - struct mutex i2c_buffer_lock; - u8 input_mode_mpeg; - - u16 tuner_enable; - struct i2c_adapter dib8096p_tuner_adap; -}; - -enum dib8000_power_mode { - DIB8000_POWER_ALL = 0, - DIB8000_POWER_INTERFACE_ONLY, -}; - -static u16 dib8000_i2c_read16(struct i2c_device *i2c, u16 reg) -{ - u16 ret; - struct i2c_msg msg[2] = { - {.addr = i2c->addr >> 1, .flags = 0, .len = 2}, - {.addr = i2c->addr >> 1, .flags = I2C_M_RD, .len = 2}, - }; - - if (mutex_lock_interruptible(i2c->i2c_buffer_lock) < 0) { - dprintk("could not acquire lock"); - return 0; - } - - msg[0].buf = i2c->i2c_write_buffer; - msg[0].buf[0] = reg >> 8; - msg[0].buf[1] = reg & 0xff; - msg[1].buf = i2c->i2c_read_buffer; - - if (i2c_transfer(i2c->adap, msg, 2) != 2) - dprintk("i2c read error on %d", reg); - - ret = (msg[1].buf[0] << 8) | msg[1].buf[1]; - mutex_unlock(i2c->i2c_buffer_lock); - return ret; -} - -static u16 dib8000_read_word(struct dib8000_state *state, u16 reg) -{ - u16 ret; - - if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) { - dprintk("could not acquire lock"); - return 0; - } - - state->i2c_write_buffer[0] = reg >> 8; - state->i2c_write_buffer[1] = reg & 0xff; - - memset(state->msg, 0, 2 * sizeof(struct i2c_msg)); - state->msg[0].addr = state->i2c.addr >> 1; - state->msg[0].flags = 0; - state->msg[0].buf = state->i2c_write_buffer; - state->msg[0].len = 2; - state->msg[1].addr = state->i2c.addr >> 1; - state->msg[1].flags = I2C_M_RD; - state->msg[1].buf = state->i2c_read_buffer; - state->msg[1].len = 2; - - if (i2c_transfer(state->i2c.adap, state->msg, 2) != 2) - dprintk("i2c read error on %d", reg); - - ret = (state->i2c_read_buffer[0] << 8) | state->i2c_read_buffer[1]; - mutex_unlock(&state->i2c_buffer_lock); - - return ret; -} - -static u32 dib8000_read32(struct dib8000_state *state, u16 reg) -{ - u16 rw[2]; - - rw[0] = dib8000_read_word(state, reg + 0); - rw[1] = dib8000_read_word(state, reg + 1); - - return ((rw[0] << 16) | (rw[1])); -} - -static int dib8000_i2c_write16(struct i2c_device *i2c, u16 reg, u16 val) -{ - struct i2c_msg msg = {.addr = i2c->addr >> 1, .flags = 0, .len = 4}; - int ret = 0; - - if (mutex_lock_interruptible(i2c->i2c_buffer_lock) < 0) { - dprintk("could not acquire lock"); - return -EINVAL; - } - - msg.buf = i2c->i2c_write_buffer; - msg.buf[0] = (reg >> 8) & 0xff; - msg.buf[1] = reg & 0xff; - msg.buf[2] = (val >> 8) & 0xff; - msg.buf[3] = val & 0xff; - - ret = i2c_transfer(i2c->adap, &msg, 1) != 1 ? -EREMOTEIO : 0; - mutex_unlock(i2c->i2c_buffer_lock); - - return ret; -} - -static int dib8000_write_word(struct dib8000_state *state, u16 reg, u16 val) -{ - int ret; - - if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) { - dprintk("could not acquire lock"); - return -EINVAL; - } - - state->i2c_write_buffer[0] = (reg >> 8) & 0xff; - state->i2c_write_buffer[1] = reg & 0xff; - state->i2c_write_buffer[2] = (val >> 8) & 0xff; - state->i2c_write_buffer[3] = val & 0xff; - - memset(&state->msg[0], 0, sizeof(struct i2c_msg)); - state->msg[0].addr = state->i2c.addr >> 1; - state->msg[0].flags = 0; - state->msg[0].buf = state->i2c_write_buffer; - state->msg[0].len = 4; - - ret = (i2c_transfer(state->i2c.adap, state->msg, 1) != 1 ? - -EREMOTEIO : 0); - mutex_unlock(&state->i2c_buffer_lock); - - return ret; -} - -static const s16 coeff_2k_sb_1seg_dqpsk[8] = { - (769 << 5) | 0x0a, (745 << 5) | 0x03, (595 << 5) | 0x0d, (769 << 5) | 0x0a, (920 << 5) | 0x09, (784 << 5) | 0x02, (519 << 5) | 0x0c, - (920 << 5) | 0x09 -}; - -static const s16 coeff_2k_sb_1seg[8] = { - (692 << 5) | 0x0b, (683 << 5) | 0x01, (519 << 5) | 0x09, (692 << 5) | 0x0b, 0 | 0x1f, 0 | 0x1f, 0 | 0x1f, 0 | 0x1f -}; - -static const s16 coeff_2k_sb_3seg_0dqpsk_1dqpsk[8] = { - (832 << 5) | 0x10, (912 << 5) | 0x05, (900 << 5) | 0x12, (832 << 5) | 0x10, (-931 << 5) | 0x0f, (912 << 5) | 0x04, (807 << 5) | 0x11, - (-931 << 5) | 0x0f -}; - -static const s16 coeff_2k_sb_3seg_0dqpsk[8] = { - (622 << 5) | 0x0c, (941 << 5) | 0x04, (796 << 5) | 0x10, (622 << 5) | 0x0c, (982 << 5) | 0x0c, (519 << 5) | 0x02, (572 << 5) | 0x0e, - (982 << 5) | 0x0c -}; - -static const s16 coeff_2k_sb_3seg_1dqpsk[8] = { - (699 << 5) | 0x14, (607 << 5) | 0x04, (944 << 5) | 0x13, (699 << 5) | 0x14, (-720 << 5) | 0x0d, (640 << 5) | 0x03, (866 << 5) | 0x12, - (-720 << 5) | 0x0d -}; - -static const s16 coeff_2k_sb_3seg[8] = { - (664 << 5) | 0x0c, (925 << 5) | 0x03, (937 << 5) | 0x10, (664 << 5) | 0x0c, (-610 << 5) | 0x0a, (697 << 5) | 0x01, (836 << 5) | 0x0e, - (-610 << 5) | 0x0a -}; - -static const s16 coeff_4k_sb_1seg_dqpsk[8] = { - (-955 << 5) | 0x0e, (687 << 5) | 0x04, (818 << 5) | 0x10, (-955 << 5) | 0x0e, (-922 << 5) | 0x0d, (750 << 5) | 0x03, (665 << 5) | 0x0f, - (-922 << 5) | 0x0d -}; - -static const s16 coeff_4k_sb_1seg[8] = { - (638 << 5) | 0x0d, (683 << 5) | 0x02, (638 << 5) | 0x0d, (638 << 5) | 0x0d, (-655 << 5) | 0x0a, (517 << 5) | 0x00, (698 << 5) | 0x0d, - (-655 << 5) | 0x0a -}; - -static const s16 coeff_4k_sb_3seg_0dqpsk_1dqpsk[8] = { - (-707 << 5) | 0x14, (910 << 5) | 0x06, (889 << 5) | 0x16, (-707 << 5) | 0x14, (-958 << 5) | 0x13, (993 << 5) | 0x05, (523 << 5) | 0x14, - (-958 << 5) | 0x13 -}; - -static const s16 coeff_4k_sb_3seg_0dqpsk[8] = { - (-723 << 5) | 0x13, (910 << 5) | 0x05, (777 << 5) | 0x14, (-723 << 5) | 0x13, (-568 << 5) | 0x0f, (547 << 5) | 0x03, (696 << 5) | 0x12, - (-568 << 5) | 0x0f -}; - -static const s16 coeff_4k_sb_3seg_1dqpsk[8] = { - (-940 << 5) | 0x15, (607 << 5) | 0x05, (915 << 5) | 0x16, (-940 << 5) | 0x15, (-848 << 5) | 0x13, (683 << 5) | 0x04, (543 << 5) | 0x14, - (-848 << 5) | 0x13 -}; - -static const s16 coeff_4k_sb_3seg[8] = { - (612 << 5) | 0x12, (910 << 5) | 0x04, (864 << 5) | 0x14, (612 << 5) | 0x12, (-869 << 5) | 0x13, (683 << 5) | 0x02, (869 << 5) | 0x12, - (-869 << 5) | 0x13 -}; - -static const s16 coeff_8k_sb_1seg_dqpsk[8] = { - (-835 << 5) | 0x12, (684 << 5) | 0x05, (735 << 5) | 0x14, (-835 << 5) | 0x12, (-598 << 5) | 0x10, (781 << 5) | 0x04, (739 << 5) | 0x13, - (-598 << 5) | 0x10 -}; - -static const s16 coeff_8k_sb_1seg[8] = { - (673 << 5) | 0x0f, (683 << 5) | 0x03, (808 << 5) | 0x12, (673 << 5) | 0x0f, (585 << 5) | 0x0f, (512 << 5) | 0x01, (780 << 5) | 0x0f, - (585 << 5) | 0x0f -}; - -static const s16 coeff_8k_sb_3seg_0dqpsk_1dqpsk[8] = { - (863 << 5) | 0x17, (930 << 5) | 0x07, (878 << 5) | 0x19, (863 << 5) | 0x17, (0 << 5) | 0x14, (521 << 5) | 0x05, (980 << 5) | 0x18, - (0 << 5) | 0x14 -}; - -static const s16 coeff_8k_sb_3seg_0dqpsk[8] = { - (-924 << 5) | 0x17, (910 << 5) | 0x06, (774 << 5) | 0x17, (-924 << 5) | 0x17, (-877 << 5) | 0x15, (565 << 5) | 0x04, (553 << 5) | 0x15, - (-877 << 5) | 0x15 -}; - -static const s16 coeff_8k_sb_3seg_1dqpsk[8] = { - (-921 << 5) | 0x19, (607 << 5) | 0x06, (881 << 5) | 0x19, (-921 << 5) | 0x19, (-921 << 5) | 0x14, (713 << 5) | 0x05, (1018 << 5) | 0x18, - (-921 << 5) | 0x14 -}; - -static const s16 coeff_8k_sb_3seg[8] = { - (514 << 5) | 0x14, (910 << 5) | 0x05, (861 << 5) | 0x17, (514 << 5) | 0x14, (690 << 5) | 0x14, (683 << 5) | 0x03, (662 << 5) | 0x15, - (690 << 5) | 0x14 -}; - -static const s16 ana_fe_coeff_3seg[24] = { - 81, 80, 78, 74, 68, 61, 54, 45, 37, 28, 19, 11, 4, 1022, 1017, 1013, 1010, 1008, 1008, 1008, 1008, 1010, 1014, 1017 -}; - -static const s16 ana_fe_coeff_1seg[24] = { - 249, 226, 164, 82, 5, 981, 970, 988, 1018, 20, 31, 26, 8, 1012, 1000, 1018, 1012, 8, 15, 14, 9, 3, 1017, 1003 -}; - -static const s16 ana_fe_coeff_13seg[24] = { - 396, 305, 105, -51, -77, -12, 41, 31, -11, -30, -11, 14, 15, -2, -13, -7, 5, 8, 1, -6, -7, -3, 0, 1 -}; - -static u16 fft_to_mode(struct dib8000_state *state) -{ - u16 mode; - switch (state->fe[0]->dtv_property_cache.transmission_mode) { - case TRANSMISSION_MODE_2K: - mode = 1; - break; - case TRANSMISSION_MODE_4K: - mode = 2; - break; - default: - case TRANSMISSION_MODE_AUTO: - case TRANSMISSION_MODE_8K: - mode = 3; - break; - } - return mode; -} - -static void dib8000_set_acquisition_mode(struct dib8000_state *state) -{ - u16 nud = dib8000_read_word(state, 298); - nud |= (1 << 3) | (1 << 0); - dprintk("acquisition mode activated"); - dib8000_write_word(state, 298, nud); -} -static int dib8000_set_output_mode(struct dvb_frontend *fe, int mode) -{ - struct dib8000_state *state = fe->demodulator_priv; - - u16 outreg, fifo_threshold, smo_mode, sram = 0x0205; /* by default SDRAM deintlv is enabled */ - - outreg = 0; - fifo_threshold = 1792; - smo_mode = (dib8000_read_word(state, 299) & 0x0050) | (1 << 1); - - dprintk("-I- Setting output mode for demod %p to %d", - &state->fe[0], mode); - - switch (mode) { - case OUTMODE_MPEG2_PAR_GATED_CLK: // STBs with parallel gated clock - outreg = (1 << 10); /* 0x0400 */ - break; - case OUTMODE_MPEG2_PAR_CONT_CLK: // STBs with parallel continues clock - outreg = (1 << 10) | (1 << 6); /* 0x0440 */ - break; - case OUTMODE_MPEG2_SERIAL: // STBs with serial input - outreg = (1 << 10) | (2 << 6) | (0 << 1); /* 0x0482 */ - break; - case OUTMODE_DIVERSITY: - if (state->cfg.hostbus_diversity) { - outreg = (1 << 10) | (4 << 6); /* 0x0500 */ - sram &= 0xfdff; - } else - sram |= 0x0c00; - break; - case OUTMODE_MPEG2_FIFO: // e.g. USB feeding - smo_mode |= (3 << 1); - fifo_threshold = 512; - outreg = (1 << 10) | (5 << 6); - break; - case OUTMODE_HIGH_Z: // disable - outreg = 0; - break; - - case OUTMODE_ANALOG_ADC: - outreg = (1 << 10) | (3 << 6); - dib8000_set_acquisition_mode(state); - break; - - default: - dprintk("Unhandled output_mode passed to be set for demod %p", - &state->fe[0]); - return -EINVAL; - } - - if (state->cfg.output_mpeg2_in_188_bytes) - smo_mode |= (1 << 5); - - dib8000_write_word(state, 299, smo_mode); - dib8000_write_word(state, 300, fifo_threshold); /* synchronous fread */ - dib8000_write_word(state, 1286, outreg); - dib8000_write_word(state, 1291, sram); - - return 0; -} - -static int dib8000_set_diversity_in(struct dvb_frontend *fe, int onoff) -{ - struct dib8000_state *state = fe->demodulator_priv; - u16 sync_wait = dib8000_read_word(state, 273) & 0xfff0; - - if (!state->differential_constellation) { - dib8000_write_word(state, 272, 1 << 9); //dvsy_off_lmod4 = 1 - dib8000_write_word(state, 273, sync_wait | (1 << 2) | 2); // sync_enable = 1; comb_mode = 2 - } else { - dib8000_write_word(state, 272, 0); //dvsy_off_lmod4 = 0 - dib8000_write_word(state, 273, sync_wait); // sync_enable = 0; comb_mode = 0 - } - state->diversity_onoff = onoff; - - switch (onoff) { - case 0: /* only use the internal way - not the diversity input */ - dib8000_write_word(state, 270, 1); - dib8000_write_word(state, 271, 0); - break; - case 1: /* both ways */ - dib8000_write_word(state, 270, 6); - dib8000_write_word(state, 271, 6); - break; - case 2: /* only the diversity input */ - dib8000_write_word(state, 270, 0); - dib8000_write_word(state, 271, 1); - break; - } - return 0; -} - -static void dib8000_set_power_mode(struct dib8000_state *state, enum dib8000_power_mode mode) -{ - /* by default everything is going to be powered off */ - u16 reg_774 = 0x3fff, reg_775 = 0xffff, reg_776 = 0xffff, - reg_900 = (dib8000_read_word(state, 900) & 0xfffc) | 0x3, - reg_1280; - - if (state->revision != 0x8090) - reg_1280 = (dib8000_read_word(state, 1280) & 0x00ff) | 0xff00; - else - reg_1280 = (dib8000_read_word(state, 1280) & 0x707f) | 0x8f80; - - /* now, depending on the requested mode, we power on */ - switch (mode) { - /* power up everything in the demod */ - case DIB8000_POWER_ALL: - reg_774 = 0x0000; - reg_775 = 0x0000; - reg_776 = 0x0000; - reg_900 &= 0xfffc; - if (state->revision != 0x8090) - reg_1280 &= 0x00ff; - else - reg_1280 &= 0x707f; - break; - case DIB8000_POWER_INTERFACE_ONLY: - if (state->revision != 0x8090) - reg_1280 &= 0x00ff; - else - reg_1280 &= 0xfa7b; - break; - } - - dprintk("powermode : 774 : %x ; 775 : %x; 776 : %x ; 900 : %x; 1280 : %x", reg_774, reg_775, reg_776, reg_900, reg_1280); - dib8000_write_word(state, 774, reg_774); - dib8000_write_word(state, 775, reg_775); - dib8000_write_word(state, 776, reg_776); - dib8000_write_word(state, 900, reg_900); - dib8000_write_word(state, 1280, reg_1280); -} - -static int dib8000_init_sdram(struct dib8000_state *state) -{ - u16 reg = 0; - dprintk("Init sdram"); - - reg = dib8000_read_word(state, 274)&0xfff0; - /* P_dintlv_delay_ram = 7 because of MobileSdram */ - dib8000_write_word(state, 274, reg | 0x7); - - dib8000_write_word(state, 1803, (7<<2)); - - reg = dib8000_read_word(state, 1280); - /* force restart P_restart_sdram */ - dib8000_write_word(state, 1280, reg | (1<<2)); - - /* release restart P_restart_sdram */ - dib8000_write_word(state, 1280, reg); - - return 0; -} - -static int dib8000_set_adc_state(struct dib8000_state *state, enum dibx000_adc_states no) -{ - int ret = 0; - u16 reg, reg_907 = dib8000_read_word(state, 907); - u16 reg_908 = dib8000_read_word(state, 908); - - switch (no) { - case DIBX000_SLOW_ADC_ON: - if (state->revision != 0x8090) { - reg_908 |= (1 << 1) | (1 << 0); - ret |= dib8000_write_word(state, 908, reg_908); - reg_908 &= ~(1 << 1); - } else { - reg = dib8000_read_word(state, 1925); - /* en_slowAdc = 1 & reset_sladc = 1 */ - dib8000_write_word(state, 1925, reg | - (1<<4) | (1<<2)); - - /* read acces to make it works... strange ... */ - reg = dib8000_read_word(state, 1925); - msleep(20); - /* en_slowAdc = 1 & reset_sladc = 0 */ - dib8000_write_word(state, 1925, reg & ~(1<<4)); - - reg = dib8000_read_word(state, 921) & ~((0x3 << 14) - | (0x3 << 12)); - /* ref = Vin1 => Vbg ; sel = Vin0 or Vin3 ; - (Vin2 = Vcm) */ - dib8000_write_word(state, 921, reg | (1 << 14) - | (3 << 12)); - } - break; - - case DIBX000_SLOW_ADC_OFF: - if (state->revision == 0x8090) { - reg = dib8000_read_word(state, 1925); - /* reset_sladc = 1 en_slowAdc = 0 */ - dib8000_write_word(state, 1925, - (reg & ~(1<<2)) | (1<<4)); - } - reg_908 |= (1 << 1) | (1 << 0); - break; - - case DIBX000_ADC_ON: - reg_907 &= 0x0fff; - reg_908 &= 0x0003; - break; - - case DIBX000_ADC_OFF: // leave the VBG voltage on - reg_907 |= (1 << 14) | (1 << 13) | (1 << 12); - reg_908 |= (1 << 5) | (1 << 4) | (1 << 3) | (1 << 2); - break; - - case DIBX000_VBG_ENABLE: - reg_907 &= ~(1 << 15); - break; - - case DIBX000_VBG_DISABLE: - reg_907 |= (1 << 15); - break; - - default: - break; - } - - ret |= dib8000_write_word(state, 907, reg_907); - ret |= dib8000_write_word(state, 908, reg_908); - - return ret; -} - -static int dib8000_set_bandwidth(struct dvb_frontend *fe, u32 bw) -{ - struct dib8000_state *state = fe->demodulator_priv; - u32 timf; - - if (bw == 0) - bw = 6000; - - if (state->timf == 0) { - dprintk("using default timf"); - timf = state->timf_default; - } else { - dprintk("using updated timf"); - timf = state->timf; - } - - dib8000_write_word(state, 29, (u16) ((timf >> 16) & 0xffff)); - dib8000_write_word(state, 30, (u16) ((timf) & 0xffff)); - - return 0; -} - -static int dib8000_sad_calib(struct dib8000_state *state) -{ - if (state->revision == 0x8090) { - dprintk("%s: the sad calibration is not needed for the dib8096P", - __func__); - return 0; - } - /* internal */ - dib8000_write_word(state, 923, (0 << 1) | (0 << 0)); - dib8000_write_word(state, 924, 776); // 0.625*3.3 / 4096 - - /* do the calibration */ - dib8000_write_word(state, 923, (1 << 0)); - dib8000_write_word(state, 923, (0 << 0)); - - msleep(1); - return 0; -} - -int dib8000_set_wbd_ref(struct dvb_frontend *fe, u16 value) -{ - struct dib8000_state *state = fe->demodulator_priv; - if (value > 4095) - value = 4095; - state->wbd_ref = value; - return dib8000_write_word(state, 106, value); -} - -EXPORT_SYMBOL(dib8000_set_wbd_ref); -static void dib8000_reset_pll_common(struct dib8000_state *state, const struct dibx000_bandwidth_config *bw) -{ - dprintk("ifreq: %d %x, inversion: %d", bw->ifreq, bw->ifreq, bw->ifreq >> 25); - if (state->revision != 0x8090) { - dib8000_write_word(state, 23, - (u16) (((bw->internal * 1000) >> 16) & 0xffff)); - dib8000_write_word(state, 24, - (u16) ((bw->internal * 1000) & 0xffff)); - } else { - dib8000_write_word(state, 23, (u16) (((bw->internal / 2 * 1000) >> 16) & 0xffff)); - dib8000_write_word(state, 24, - (u16) ((bw->internal / 2 * 1000) & 0xffff)); - } - dib8000_write_word(state, 27, (u16) ((bw->ifreq >> 16) & 0x01ff)); - dib8000_write_word(state, 28, (u16) (bw->ifreq & 0xffff)); - dib8000_write_word(state, 26, (u16) ((bw->ifreq >> 25) & 0x0003)); - - if (state->revision != 0x8090) - dib8000_write_word(state, 922, bw->sad_cfg); -} - -static void dib8000_reset_pll(struct dib8000_state *state) -{ - const struct dibx000_bandwidth_config *pll = state->cfg.pll; - u16 clk_cfg1, reg; - - if (state->revision != 0x8090) { - dib8000_write_word(state, 901, - (pll->pll_prediv << 8) | (pll->pll_ratio << 0)); - - clk_cfg1 = (1 << 10) | (0 << 9) | (pll->IO_CLK_en_core << 8) | - (pll->bypclk_div << 5) | (pll->enable_refdiv << 4) | - (1 << 3) | (pll->pll_range << 1) | - (pll->pll_reset << 0); - - dib8000_write_word(state, 902, clk_cfg1); - clk_cfg1 = (clk_cfg1 & 0xfff7) | (pll->pll_bypass << 3); - dib8000_write_word(state, 902, clk_cfg1); - - dprintk("clk_cfg1: 0x%04x", clk_cfg1); - - /* smpl_cfg: P_refclksel=2, P_ensmplsel=1 nodivsmpl=1 */ - if (state->cfg.pll->ADClkSrc == 0) - dib8000_write_word(state, 904, - (0 << 15) | (0 << 12) | (0 << 10) | - (pll->modulo << 8) | - (pll->ADClkSrc << 7) | (0 << 1)); - else if (state->cfg.refclksel != 0) - dib8000_write_word(state, 904, (0 << 15) | (1 << 12) | - ((state->cfg.refclksel & 0x3) << 10) | - (pll->modulo << 8) | - (pll->ADClkSrc << 7) | (0 << 1)); - else - dib8000_write_word(state, 904, (0 << 15) | (1 << 12) | - (3 << 10) | (pll->modulo << 8) | - (pll->ADClkSrc << 7) | (0 << 1)); - } else { - dib8000_write_word(state, 1856, (!pll->pll_reset<<13) | - (pll->pll_range<<12) | (pll->pll_ratio<<6) | - (pll->pll_prediv)); - - reg = dib8000_read_word(state, 1857); - dib8000_write_word(state, 1857, reg|(!pll->pll_bypass<<15)); - - reg = dib8000_read_word(state, 1858); /* Force clk out pll /2 */ - dib8000_write_word(state, 1858, reg | 1); - - dib8000_write_word(state, 904, (pll->modulo << 8)); - } - - dib8000_reset_pll_common(state, pll); -} - -int dib8000_update_pll(struct dvb_frontend *fe, - struct dibx000_bandwidth_config *pll) -{ - struct dib8000_state *state = fe->demodulator_priv; - u16 reg_1857, reg_1856 = dib8000_read_word(state, 1856); - u8 loopdiv, prediv; - u32 internal, xtal; - - /* get back old values */ - prediv = reg_1856 & 0x3f; - loopdiv = (reg_1856 >> 6) & 0x3f; - - if ((pll != NULL) && (pll->pll_prediv != prediv || - pll->pll_ratio != loopdiv)) { - dprintk("Updating pll (prediv: old = %d new = %d ; loopdiv : old = %d new = %d)", prediv, pll->pll_prediv, loopdiv, pll->pll_ratio); - reg_1856 &= 0xf000; - reg_1857 = dib8000_read_word(state, 1857); - /* disable PLL */ - dib8000_write_word(state, 1857, reg_1857 & ~(1 << 15)); - - dib8000_write_word(state, 1856, reg_1856 | - ((pll->pll_ratio & 0x3f) << 6) | - (pll->pll_prediv & 0x3f)); - - /* write new system clk into P_sec_len */ - internal = dib8000_read32(state, 23) / 1000; - dprintk("Old Internal = %d", internal); - xtal = 2 * (internal / loopdiv) * prediv; - internal = 1000 * (xtal/pll->pll_prediv) * pll->pll_ratio; - dprintk("Xtal = %d , New Fmem = %d New Fdemod = %d, New Fsampling = %d", xtal, internal/1000, internal/2000, internal/8000); - dprintk("New Internal = %d", internal); - - dib8000_write_word(state, 23, - (u16) (((internal / 2) >> 16) & 0xffff)); - dib8000_write_word(state, 24, (u16) ((internal / 2) & 0xffff)); - /* enable PLL */ - dib8000_write_word(state, 1857, reg_1857 | (1 << 15)); - - while (((dib8000_read_word(state, 1856)>>15)&0x1) != 1) - dprintk("Waiting for PLL to lock"); - - /* verify */ - reg_1856 = dib8000_read_word(state, 1856); - dprintk("PLL Updated with prediv = %d and loopdiv = %d", - reg_1856&0x3f, (reg_1856>>6)&0x3f); - - return 0; - } - return -EINVAL; -} -EXPORT_SYMBOL(dib8000_update_pll); - - -static int dib8000_reset_gpio(struct dib8000_state *st) -{ - /* reset the GPIOs */ - dib8000_write_word(st, 1029, st->cfg.gpio_dir); - dib8000_write_word(st, 1030, st->cfg.gpio_val); - - /* TODO 782 is P_gpio_od */ - - dib8000_write_word(st, 1032, st->cfg.gpio_pwm_pos); - - dib8000_write_word(st, 1037, st->cfg.pwm_freq_div); - return 0; -} - -static int dib8000_cfg_gpio(struct dib8000_state *st, u8 num, u8 dir, u8 val) -{ - st->cfg.gpio_dir = dib8000_read_word(st, 1029); - st->cfg.gpio_dir &= ~(1 << num); /* reset the direction bit */ - st->cfg.gpio_dir |= (dir & 0x1) << num; /* set the new direction */ - dib8000_write_word(st, 1029, st->cfg.gpio_dir); - - st->cfg.gpio_val = dib8000_read_word(st, 1030); - st->cfg.gpio_val &= ~(1 << num); /* reset the direction bit */ - st->cfg.gpio_val |= (val & 0x01) << num; /* set the new value */ - dib8000_write_word(st, 1030, st->cfg.gpio_val); - - dprintk("gpio dir: %x: gpio val: %x", st->cfg.gpio_dir, st->cfg.gpio_val); - - return 0; -} - -int dib8000_set_gpio(struct dvb_frontend *fe, u8 num, u8 dir, u8 val) -{ - struct dib8000_state *state = fe->demodulator_priv; - return dib8000_cfg_gpio(state, num, dir, val); -} - -EXPORT_SYMBOL(dib8000_set_gpio); -static const u16 dib8000_defaults[] = { - /* auto search configuration - lock0 by default waiting - * for cpil_lock; lock1 cpil_lock; lock2 tmcc_sync_lock */ - 3, 7, - 0x0004, - 0x0400, - 0x0814, - - 12, 11, - 0x001b, - 0x7740, - 0x005b, - 0x8d80, - 0x01c9, - 0xc380, - 0x0000, - 0x0080, - 0x0000, - 0x0090, - 0x0001, - 0xd4c0, - - /*1, 32, - 0x6680 // P_corm_thres Lock algorithms configuration */ - - 11, 80, /* set ADC level to -16 */ - (1 << 13) - 825 - 117, - (1 << 13) - 837 - 117, - (1 << 13) - 811 - 117, - (1 << 13) - 766 - 117, - (1 << 13) - 737 - 117, - (1 << 13) - 693 - 117, - (1 << 13) - 648 - 117, - (1 << 13) - 619 - 117, - (1 << 13) - 575 - 117, - (1 << 13) - 531 - 117, - (1 << 13) - 501 - 117, - - 4, 108, - 0, - 0, - 0, - 0, - - 1, 175, - 0x0410, - 1, 179, - 8192, // P_fft_nb_to_cut - - 6, 181, - 0x2800, // P_coff_corthres_ ( 2k 4k 8k ) 0x2800 - 0x2800, - 0x2800, - 0x2800, // P_coff_cpilthres_ ( 2k 4k 8k ) 0x2800 - 0x2800, - 0x2800, - - 2, 193, - 0x0666, // P_pha3_thres - 0x0000, // P_cti_use_cpe, P_cti_use_prog - - 2, 205, - 0x200f, // P_cspu_regul, P_cspu_win_cut - 0x000f, // P_des_shift_work - - 5, 215, - 0x023d, // P_adp_regul_cnt - 0x00a4, // P_adp_noise_cnt - 0x00a4, // P_adp_regul_ext - 0x7ff0, // P_adp_noise_ext - 0x3ccc, // P_adp_fil - - 1, 230, - 0x0000, // P_2d_byp_ti_num - - 1, 263, - 0x800, //P_equal_thres_wgn - - 1, 268, - (2 << 9) | 39, // P_equal_ctrl_synchro, P_equal_speedmode - - 1, 270, - 0x0001, // P_div_lock0_wait - 1, 285, - 0x0020, //p_fec_ - 1, 299, - 0x0062, /* P_smo_mode, P_smo_rs_discard, P_smo_fifo_flush, P_smo_pid_parse, P_smo_error_discard */ - - 1, 338, - (1 << 12) | // P_ctrl_corm_thres4pre_freq_inh=1 - (1 << 10) | - (0 << 9) | /* P_ctrl_pre_freq_inh=0 */ - (3 << 5) | /* P_ctrl_pre_freq_step=3 */ - (1 << 0), /* P_pre_freq_win_len=1 */ - - 0, -}; - -static u16 dib8000_identify(struct i2c_device *client) -{ - u16 value; - - //because of glitches sometimes - value = dib8000_i2c_read16(client, 896); - - if ((value = dib8000_i2c_read16(client, 896)) != 0x01b3) { - dprintk("wrong Vendor ID (read=0x%x)", value); - return 0; - } - - value = dib8000_i2c_read16(client, 897); - if (value != 0x8000 && value != 0x8001 && - value != 0x8002 && value != 0x8090) { - dprintk("wrong Device ID (%x)", value); - return 0; - } - - switch (value) { - case 0x8000: - dprintk("found DiB8000A"); - break; - case 0x8001: - dprintk("found DiB8000B"); - break; - case 0x8002: - dprintk("found DiB8000C"); - break; - case 0x8090: - dprintk("found DiB8096P"); - break; - } - return value; -} - -static int dib8000_reset(struct dvb_frontend *fe) -{ - struct dib8000_state *state = fe->demodulator_priv; - - if ((state->revision = dib8000_identify(&state->i2c)) == 0) - return -EINVAL; - - /* sram lead in, rdy */ - if (state->revision != 0x8090) - dib8000_write_word(state, 1287, 0x0003); - - if (state->revision == 0x8000) - dprintk("error : dib8000 MA not supported"); - - dibx000_reset_i2c_master(&state->i2c_master); - - dib8000_set_power_mode(state, DIB8000_POWER_ALL); - - /* always leave the VBG voltage on - it consumes almost nothing but takes a long time to start */ - dib8000_set_adc_state(state, DIBX000_VBG_ENABLE); - - /* restart all parts */ - dib8000_write_word(state, 770, 0xffff); - dib8000_write_word(state, 771, 0xffff); - dib8000_write_word(state, 772, 0xfffc); - if (state->revision == 0x8090) - dib8000_write_word(state, 1280, 0x0045); - else - dib8000_write_word(state, 1280, 0x004d); - dib8000_write_word(state, 1281, 0x000c); - - dib8000_write_word(state, 770, 0x0000); - dib8000_write_word(state, 771, 0x0000); - dib8000_write_word(state, 772, 0x0000); - dib8000_write_word(state, 898, 0x0004); // sad - dib8000_write_word(state, 1280, 0x0000); - dib8000_write_word(state, 1281, 0x0000); - - /* drives */ - if (state->revision != 0x8090) { - if (state->cfg.drives) - dib8000_write_word(state, 906, state->cfg.drives); - else { - dprintk("using standard PAD-drive-settings, please adjust settings in config-struct to be optimal."); - /* min drive SDRAM - not optimal - adjust */ - dib8000_write_word(state, 906, 0x2d98); - } - } - - dib8000_reset_pll(state); - if (state->revision != 0x8090) - dib8000_write_word(state, 898, 0x0004); - - if (dib8000_reset_gpio(state) != 0) - dprintk("GPIO reset was not successful."); - - if ((state->revision != 0x8090) && - (dib8000_set_output_mode(fe, OUTMODE_HIGH_Z) != 0)) - dprintk("OUTPUT_MODE could not be resetted."); - - state->current_agc = NULL; - - // P_iqc_alpha_pha, P_iqc_alpha_amp, P_iqc_dcc_alpha, ... - /* P_iqc_ca2 = 0; P_iqc_impnc_on = 0; P_iqc_mode = 0; */ - if (state->cfg.pll->ifreq == 0) - dib8000_write_word(state, 40, 0x0755); /* P_iqc_corr_inh = 0 enable IQcorr block */ - else - dib8000_write_word(state, 40, 0x1f55); /* P_iqc_corr_inh = 1 disable IQcorr block */ - - { - u16 l = 0, r; - const u16 *n; - n = dib8000_defaults; - l = *n++; - while (l) { - r = *n++; - do { - dib8000_write_word(state, r, *n++); - r++; - } while (--l); - l = *n++; - } - } - if (state->revision != 0x8090) - dib8000_write_word(state, 903, (0 << 4) | 2); - state->isdbt_cfg_loaded = 0; - - //div_cfg override for special configs - if (state->cfg.div_cfg != 0) - dib8000_write_word(state, 903, state->cfg.div_cfg); - - /* unforce divstr regardless whether i2c enumeration was done or not */ - dib8000_write_word(state, 1285, dib8000_read_word(state, 1285) & ~(1 << 1)); - - dib8000_set_bandwidth(fe, 6000); - - dib8000_set_adc_state(state, DIBX000_SLOW_ADC_ON); - if (state->revision != 0x8090) { - dib8000_sad_calib(state); - dib8000_set_adc_state(state, DIBX000_SLOW_ADC_OFF); - } - - dib8000_set_power_mode(state, DIB8000_POWER_INTERFACE_ONLY); - - return 0; -} - -static void dib8000_restart_agc(struct dib8000_state *state) -{ - // P_restart_iqc & P_restart_agc - dib8000_write_word(state, 770, 0x0a00); - dib8000_write_word(state, 770, 0x0000); -} - -static int dib8000_update_lna(struct dib8000_state *state) -{ - u16 dyn_gain; - - if (state->cfg.update_lna) { - // read dyn_gain here (because it is demod-dependent and not tuner) - dyn_gain = dib8000_read_word(state, 390); - - if (state->cfg.update_lna(state->fe[0], dyn_gain)) { - dib8000_restart_agc(state); - return 1; - } - } - return 0; -} - -static int dib8000_set_agc_config(struct dib8000_state *state, u8 band) -{ - struct dibx000_agc_config *agc = NULL; - int i; - u16 reg; - - if (state->current_band == band && state->current_agc != NULL) - return 0; - state->current_band = band; - - for (i = 0; i < state->cfg.agc_config_count; i++) - if (state->cfg.agc[i].band_caps & band) { - agc = &state->cfg.agc[i]; - break; - } - - if (agc == NULL) { - dprintk("no valid AGC configuration found for band 0x%02x", band); - return -EINVAL; - } - - state->current_agc = agc; - - /* AGC */ - dib8000_write_word(state, 76, agc->setup); - dib8000_write_word(state, 77, agc->inv_gain); - dib8000_write_word(state, 78, agc->time_stabiliz); - dib8000_write_word(state, 101, (agc->alpha_level << 12) | agc->thlock); - - // Demod AGC loop configuration - dib8000_write_word(state, 102, (agc->alpha_mant << 5) | agc->alpha_exp); - dib8000_write_word(state, 103, (agc->beta_mant << 6) | agc->beta_exp); - - dprintk("WBD: ref: %d, sel: %d, active: %d, alpha: %d", - state->wbd_ref != 0 ? state->wbd_ref : agc->wbd_ref, agc->wbd_sel, !agc->perform_agc_softsplit, agc->wbd_sel); - - /* AGC continued */ - if (state->wbd_ref != 0) - dib8000_write_word(state, 106, state->wbd_ref); - else // use default - dib8000_write_word(state, 106, agc->wbd_ref); - - if (state->revision == 0x8090) { - reg = dib8000_read_word(state, 922) & (0x3 << 2); - dib8000_write_word(state, 922, reg | (agc->wbd_sel << 2)); - } - - dib8000_write_word(state, 107, (agc->wbd_alpha << 9) | (agc->perform_agc_softsplit << 8)); - dib8000_write_word(state, 108, agc->agc1_max); - dib8000_write_word(state, 109, agc->agc1_min); - dib8000_write_word(state, 110, agc->agc2_max); - dib8000_write_word(state, 111, agc->agc2_min); - dib8000_write_word(state, 112, (agc->agc1_pt1 << 8) | agc->agc1_pt2); - dib8000_write_word(state, 113, (agc->agc1_slope1 << 8) | agc->agc1_slope2); - dib8000_write_word(state, 114, (agc->agc2_pt1 << 8) | agc->agc2_pt2); - dib8000_write_word(state, 115, (agc->agc2_slope1 << 8) | agc->agc2_slope2); - - dib8000_write_word(state, 75, agc->agc1_pt3); - if (state->revision != 0x8090) - dib8000_write_word(state, 923, - (dib8000_read_word(state, 923) & 0xffe3) | - (agc->wbd_inv << 4) | (agc->wbd_sel << 2)); - - return 0; -} - -void dib8000_pwm_agc_reset(struct dvb_frontend *fe) -{ - struct dib8000_state *state = fe->demodulator_priv; - dib8000_set_adc_state(state, DIBX000_ADC_ON); - dib8000_set_agc_config(state, (unsigned char)(BAND_OF_FREQUENCY(fe->dtv_property_cache.frequency / 1000))); -} -EXPORT_SYMBOL(dib8000_pwm_agc_reset); - -static int dib8000_agc_soft_split(struct dib8000_state *state) -{ - u16 agc, split_offset; - - if (!state->current_agc || !state->current_agc->perform_agc_softsplit || state->current_agc->split.max == 0) - return FE_CALLBACK_TIME_NEVER; - - // n_agc_global - agc = dib8000_read_word(state, 390); - - if (agc > state->current_agc->split.min_thres) - split_offset = state->current_agc->split.min; - else if (agc < state->current_agc->split.max_thres) - split_offset = state->current_agc->split.max; - else - split_offset = state->current_agc->split.max * - (agc - state->current_agc->split.min_thres) / - (state->current_agc->split.max_thres - state->current_agc->split.min_thres); - - dprintk("AGC split_offset: %d", split_offset); - - // P_agc_force_split and P_agc_split_offset - dib8000_write_word(state, 107, (dib8000_read_word(state, 107) & 0xff00) | split_offset); - return 5000; -} - -static int dib8000_agc_startup(struct dvb_frontend *fe) -{ - struct dib8000_state *state = fe->demodulator_priv; - enum frontend_tune_state *tune_state = &state->tune_state; - int ret = 0; - u16 reg, upd_demod_gain_period = 0x8000; - - switch (*tune_state) { - case CT_AGC_START: - // set power-up level: interf+analog+AGC - - if (state->revision != 0x8090) - dib8000_set_adc_state(state, DIBX000_ADC_ON); - else { - dib8000_set_power_mode(state, DIB8000_POWER_ALL); - - reg = dib8000_read_word(state, 1947)&0xff00; - dib8000_write_word(state, 1946, - upd_demod_gain_period & 0xFFFF); - /* bit 14 = enDemodGain */ - dib8000_write_word(state, 1947, reg | (1<<14) | - ((upd_demod_gain_period >> 16) & 0xFF)); - - /* enable adc i & q */ - reg = dib8000_read_word(state, 1920); - dib8000_write_word(state, 1920, (reg | 0x3) & - (~(1 << 7))); - } - - if (dib8000_set_agc_config(state, (unsigned char)(BAND_OF_FREQUENCY(fe->dtv_property_cache.frequency / 1000))) != 0) { - *tune_state = CT_AGC_STOP; - state->status = FE_STATUS_TUNE_FAILED; - break; - } - - ret = 70; - *tune_state = CT_AGC_STEP_0; - break; - - case CT_AGC_STEP_0: - //AGC initialization - if (state->cfg.agc_control) - state->cfg.agc_control(fe, 1); - - dib8000_restart_agc(state); - - // wait AGC rough lock time - ret = 50; - *tune_state = CT_AGC_STEP_1; - break; - - case CT_AGC_STEP_1: - // wait AGC accurate lock time - ret = 70; - - if (dib8000_update_lna(state)) - // wait only AGC rough lock time - ret = 50; - else - *tune_state = CT_AGC_STEP_2; - break; - - case CT_AGC_STEP_2: - dib8000_agc_soft_split(state); - - if (state->cfg.agc_control) - state->cfg.agc_control(fe, 0); - - *tune_state = CT_AGC_STOP; - break; - default: - ret = dib8000_agc_soft_split(state); - break; - } - return ret; - -} - -static void dib8096p_host_bus_drive(struct dib8000_state *state, u8 drive) -{ - u16 reg; - - drive &= 0x7; - - /* drive host bus 2, 3, 4 */ - reg = dib8000_read_word(state, 1798) & - ~(0x7 | (0x7 << 6) | (0x7 << 12)); - reg |= (drive<<12) | (drive<<6) | drive; - dib8000_write_word(state, 1798, reg); - - /* drive host bus 5,6 */ - reg = dib8000_read_word(state, 1799) & ~((0x7 << 2) | (0x7 << 8)); - reg |= (drive<<8) | (drive<<2); - dib8000_write_word(state, 1799, reg); - - /* drive host bus 7, 8, 9 */ - reg = dib8000_read_word(state, 1800) & - ~(0x7 | (0x7 << 6) | (0x7 << 12)); - reg |= (drive<<12) | (drive<<6) | drive; - dib8000_write_word(state, 1800, reg); - - /* drive host bus 10, 11 */ - reg = dib8000_read_word(state, 1801) & ~((0x7 << 2) | (0x7 << 8)); - reg |= (drive<<8) | (drive<<2); - dib8000_write_word(state, 1801, reg); - - /* drive host bus 12, 13, 14 */ - reg = dib8000_read_word(state, 1802) & - ~(0x7 | (0x7 << 6) | (0x7 << 12)); - reg |= (drive<<12) | (drive<<6) | drive; - dib8000_write_word(state, 1802, reg); -} - -static u32 dib8096p_calcSyncFreq(u32 P_Kin, u32 P_Kout, - u32 insertExtSynchro, u32 syncSize) -{ - u32 quantif = 3; - u32 nom = (insertExtSynchro * P_Kin+syncSize); - u32 denom = P_Kout; - u32 syncFreq = ((nom << quantif) / denom); - - if ((syncFreq & ((1 << quantif) - 1)) != 0) - syncFreq = (syncFreq >> quantif) + 1; - else - syncFreq = (syncFreq >> quantif); - - if (syncFreq != 0) - syncFreq = syncFreq - 1; - - return syncFreq; -} - -static void dib8096p_cfg_DibTx(struct dib8000_state *state, u32 P_Kin, - u32 P_Kout, u32 insertExtSynchro, u32 synchroMode, - u32 syncWord, u32 syncSize) -{ - dprintk("Configure DibStream Tx"); - - dib8000_write_word(state, 1615, 1); - dib8000_write_word(state, 1603, P_Kin); - dib8000_write_word(state, 1605, P_Kout); - dib8000_write_word(state, 1606, insertExtSynchro); - dib8000_write_word(state, 1608, synchroMode); - dib8000_write_word(state, 1609, (syncWord >> 16) & 0xffff); - dib8000_write_word(state, 1610, syncWord & 0xffff); - dib8000_write_word(state, 1612, syncSize); - dib8000_write_word(state, 1615, 0); -} - -static void dib8096p_cfg_DibRx(struct dib8000_state *state, u32 P_Kin, - u32 P_Kout, u32 synchroMode, u32 insertExtSynchro, - u32 syncWord, u32 syncSize, u32 dataOutRate) -{ - u32 syncFreq; - - dprintk("Configure DibStream Rx synchroMode = %d", synchroMode); - - if ((P_Kin != 0) && (P_Kout != 0)) { - syncFreq = dib8096p_calcSyncFreq(P_Kin, P_Kout, - insertExtSynchro, syncSize); - dib8000_write_word(state, 1542, syncFreq); - } - - dib8000_write_word(state, 1554, 1); - dib8000_write_word(state, 1536, P_Kin); - dib8000_write_word(state, 1537, P_Kout); - dib8000_write_word(state, 1539, synchroMode); - dib8000_write_word(state, 1540, (syncWord >> 16) & 0xffff); - dib8000_write_word(state, 1541, syncWord & 0xffff); - dib8000_write_word(state, 1543, syncSize); - dib8000_write_word(state, 1544, dataOutRate); - dib8000_write_word(state, 1554, 0); -} - -static void dib8096p_enMpegMux(struct dib8000_state *state, int onoff) -{ - u16 reg_1287; - - reg_1287 = dib8000_read_word(state, 1287); - - switch (onoff) { - case 1: - reg_1287 &= ~(1 << 8); - break; - case 0: - reg_1287 |= (1 << 8); - break; - } - - dib8000_write_word(state, 1287, reg_1287); -} - -static void dib8096p_configMpegMux(struct dib8000_state *state, - u16 pulseWidth, u16 enSerialMode, u16 enSerialClkDiv2) -{ - u16 reg_1287; - - dprintk("Enable Mpeg mux"); - - dib8096p_enMpegMux(state, 0); - - /* If the input mode is MPEG do not divide the serial clock */ - if ((enSerialMode == 1) && (state->input_mode_mpeg == 1)) - enSerialClkDiv2 = 0; - - reg_1287 = ((pulseWidth & 0x1f) << 3) | - ((enSerialMode & 0x1) << 2) | (enSerialClkDiv2 & 0x1); - dib8000_write_word(state, 1287, reg_1287); - - dib8096p_enMpegMux(state, 1); -} - -static void dib8096p_setDibTxMux(struct dib8000_state *state, int mode) -{ - u16 reg_1288 = dib8000_read_word(state, 1288) & ~(0x7 << 7); - - switch (mode) { - case MPEG_ON_DIBTX: - dprintk("SET MPEG ON DIBSTREAM TX"); - dib8096p_cfg_DibTx(state, 8, 5, 0, 0, 0, 0); - reg_1288 |= (1 << 9); break; - case DIV_ON_DIBTX: - dprintk("SET DIV_OUT ON DIBSTREAM TX"); - dib8096p_cfg_DibTx(state, 5, 5, 0, 0, 0, 0); - reg_1288 |= (1 << 8); break; - case ADC_ON_DIBTX: - dprintk("SET ADC_OUT ON DIBSTREAM TX"); - dib8096p_cfg_DibTx(state, 20, 5, 10, 0, 0, 0); - reg_1288 |= (1 << 7); break; - default: - break; - } - dib8000_write_word(state, 1288, reg_1288); -} - -static void dib8096p_setHostBusMux(struct dib8000_state *state, int mode) -{ - u16 reg_1288 = dib8000_read_word(state, 1288) & ~(0x7 << 4); - - switch (mode) { - case DEMOUT_ON_HOSTBUS: - dprintk("SET DEM OUT OLD INTERF ON HOST BUS"); - dib8096p_enMpegMux(state, 0); - reg_1288 |= (1 << 6); - break; - case DIBTX_ON_HOSTBUS: - dprintk("SET DIBSTREAM TX ON HOST BUS"); - dib8096p_enMpegMux(state, 0); - reg_1288 |= (1 << 5); - break; - case MPEG_ON_HOSTBUS: - dprintk("SET MPEG MUX ON HOST BUS"); - reg_1288 |= (1 << 4); - break; - default: - break; - } - dib8000_write_word(state, 1288, reg_1288); -} - -static int dib8096p_set_diversity_in(struct dvb_frontend *fe, int onoff) -{ - struct dib8000_state *state = fe->demodulator_priv; - u16 reg_1287; - - switch (onoff) { - case 0: /* only use the internal way - not the diversity input */ - dprintk("%s mode OFF : by default Enable Mpeg INPUT", - __func__); - /* outputRate = 8 */ - dib8096p_cfg_DibRx(state, 8, 5, 0, 0, 0, 8, 0); - - /* Do not divide the serial clock of MPEG MUX in - SERIAL MODE in case input mode MPEG is used */ - reg_1287 = dib8000_read_word(state, 1287); - /* enSerialClkDiv2 == 1 ? */ - if ((reg_1287 & 0x1) == 1) { - /* force enSerialClkDiv2 = 0 */ - reg_1287 &= ~0x1; - dib8000_write_word(state, 1287, reg_1287); - } - state->input_mode_mpeg = 1; - break; - case 1: /* both ways */ - case 2: /* only the diversity input */ - dprintk("%s ON : Enable diversity INPUT", __func__); - dib8096p_cfg_DibRx(state, 5, 5, 0, 0, 0, 0, 0); - state->input_mode_mpeg = 0; - break; - } - - dib8000_set_diversity_in(state->fe[0], onoff); - return 0; -} - -static int dib8096p_set_output_mode(struct dvb_frontend *fe, int mode) -{ - struct dib8000_state *state = fe->demodulator_priv; - u16 outreg, smo_mode, fifo_threshold; - u8 prefer_mpeg_mux_use = 1; - int ret = 0; - - dib8096p_host_bus_drive(state, 1); - - fifo_threshold = 1792; - smo_mode = (dib8000_read_word(state, 299) & 0x0050) | (1 << 1); - outreg = dib8000_read_word(state, 1286) & - ~((1 << 10) | (0x7 << 6) | (1 << 1)); - - switch (mode) { - case OUTMODE_HIGH_Z: - outreg = 0; - break; - - case OUTMODE_MPEG2_SERIAL: - if (prefer_mpeg_mux_use) { - dprintk("dib8096P setting output mode TS_SERIAL using Mpeg Mux"); - dib8096p_configMpegMux(state, 3, 1, 1); - dib8096p_setHostBusMux(state, MPEG_ON_HOSTBUS); - } else {/* Use Smooth block */ - dprintk("dib8096P setting output mode TS_SERIAL using Smooth bloc"); - dib8096p_setHostBusMux(state, - DEMOUT_ON_HOSTBUS); - outreg |= (2 << 6) | (0 << 1); - } - break; - - case OUTMODE_MPEG2_PAR_GATED_CLK: - if (prefer_mpeg_mux_use) { - dprintk("dib8096P setting output mode TS_PARALLEL_GATED using Mpeg Mux"); - dib8096p_configMpegMux(state, 2, 0, 0); - dib8096p_setHostBusMux(state, MPEG_ON_HOSTBUS); - } else { /* Use Smooth block */ - dprintk("dib8096P setting output mode TS_PARALLEL_GATED using Smooth block"); - dib8096p_setHostBusMux(state, - DEMOUT_ON_HOSTBUS); - outreg |= (0 << 6); - } - break; - - case OUTMODE_MPEG2_PAR_CONT_CLK: /* Using Smooth block only */ - dprintk("dib8096P setting output mode TS_PARALLEL_CONT using Smooth block"); - dib8096p_setHostBusMux(state, DEMOUT_ON_HOSTBUS); - outreg |= (1 << 6); - break; - - case OUTMODE_MPEG2_FIFO: - /* Using Smooth block because not supported - by new Mpeg Mux bloc */ - dprintk("dib8096P setting output mode TS_FIFO using Smooth block"); - dib8096p_setHostBusMux(state, DEMOUT_ON_HOSTBUS); - outreg |= (5 << 6); - smo_mode |= (3 << 1); - fifo_threshold = 512; - break; - - case OUTMODE_DIVERSITY: - dprintk("dib8096P setting output mode MODE_DIVERSITY"); - dib8096p_setDibTxMux(state, DIV_ON_DIBTX); - dib8096p_setHostBusMux(state, DIBTX_ON_HOSTBUS); - break; - - case OUTMODE_ANALOG_ADC: - dprintk("dib8096P setting output mode MODE_ANALOG_ADC"); - dib8096p_setDibTxMux(state, ADC_ON_DIBTX); - dib8096p_setHostBusMux(state, DIBTX_ON_HOSTBUS); - break; - } - - if (mode != OUTMODE_HIGH_Z) - outreg |= (1<<10); - - dprintk("output_mpeg2_in_188_bytes = %d", - state->cfg.output_mpeg2_in_188_bytes); - if (state->cfg.output_mpeg2_in_188_bytes) - smo_mode |= (1 << 5); - - ret |= dib8000_write_word(state, 299, smo_mode); - /* synchronous fread */ - ret |= dib8000_write_word(state, 299 + 1, fifo_threshold); - ret |= dib8000_write_word(state, 1286, outreg); - - return ret; -} - -static int map_addr_to_serpar_number(struct i2c_msg *msg) -{ - if (msg->buf[0] <= 15) - msg->buf[0] -= 1; - else if (msg->buf[0] == 17) - msg->buf[0] = 15; - else if (msg->buf[0] == 16) - msg->buf[0] = 17; - else if (msg->buf[0] == 19) - msg->buf[0] = 16; - else if (msg->buf[0] >= 21 && msg->buf[0] <= 25) - msg->buf[0] -= 3; - else if (msg->buf[0] == 28) - msg->buf[0] = 23; - else if (msg->buf[0] == 99) - msg->buf[0] = 99; - else - return -EINVAL; - return 0; -} - -static int dib8096p_tuner_write_serpar(struct i2c_adapter *i2c_adap, - struct i2c_msg msg[], int num) -{ - struct dib8000_state *state = i2c_get_adapdata(i2c_adap); - u8 n_overflow = 1; - u16 i = 1000; - u16 serpar_num = msg[0].buf[0]; - - while (n_overflow == 1 && i) { - n_overflow = (dib8000_read_word(state, 1984) >> 1) & 0x1; - i--; - if (i == 0) - dprintk("Tuner ITF: write busy (overflow)"); - } - dib8000_write_word(state, 1985, (1 << 6) | (serpar_num & 0x3f)); - dib8000_write_word(state, 1986, (msg[0].buf[1] << 8) | msg[0].buf[2]); - - return num; -} - -static int dib8096p_tuner_read_serpar(struct i2c_adapter *i2c_adap, - struct i2c_msg msg[], int num) -{ - struct dib8000_state *state = i2c_get_adapdata(i2c_adap); - u8 n_overflow = 1, n_empty = 1; - u16 i = 1000; - u16 serpar_num = msg[0].buf[0]; - u16 read_word; - - while (n_overflow == 1 && i) { - n_overflow = (dib8000_read_word(state, 1984) >> 1) & 0x1; - i--; - if (i == 0) - dprintk("TunerITF: read busy (overflow)"); - } - dib8000_write_word(state, 1985, (0<<6) | (serpar_num&0x3f)); - - i = 1000; - while (n_empty == 1 && i) { - n_empty = dib8000_read_word(state, 1984)&0x1; - i--; - if (i == 0) - dprintk("TunerITF: read busy (empty)"); - } - - read_word = dib8000_read_word(state, 1987); - msg[1].buf[0] = (read_word >> 8) & 0xff; - msg[1].buf[1] = (read_word) & 0xff; - - return num; -} - -static int dib8096p_tuner_rw_serpar(struct i2c_adapter *i2c_adap, - struct i2c_msg msg[], int num) -{ - if (map_addr_to_serpar_number(&msg[0]) == 0) { - if (num == 1) /* write */ - return dib8096p_tuner_write_serpar(i2c_adap, msg, 1); - else /* read */ - return dib8096p_tuner_read_serpar(i2c_adap, msg, 2); - } - return num; -} - -static int dib8096p_rw_on_apb(struct i2c_adapter *i2c_adap, - struct i2c_msg msg[], int num, u16 apb_address) -{ - struct dib8000_state *state = i2c_get_adapdata(i2c_adap); - u16 word; - - if (num == 1) { /* write */ - dib8000_write_word(state, apb_address, - ((msg[0].buf[1] << 8) | (msg[0].buf[2]))); - } else { - word = dib8000_read_word(state, apb_address); - msg[1].buf[0] = (word >> 8) & 0xff; - msg[1].buf[1] = (word) & 0xff; - } - return num; -} - -static int dib8096p_tuner_xfer(struct i2c_adapter *i2c_adap, - struct i2c_msg msg[], int num) -{ - struct dib8000_state *state = i2c_get_adapdata(i2c_adap); - u16 apb_address = 0, word; - int i = 0; - - switch (msg[0].buf[0]) { - case 0x12: - apb_address = 1920; - break; - case 0x14: - apb_address = 1921; - break; - case 0x24: - apb_address = 1922; - break; - case 0x1a: - apb_address = 1923; - break; - case 0x22: - apb_address = 1924; - break; - case 0x33: - apb_address = 1926; - break; - case 0x34: - apb_address = 1927; - break; - case 0x35: - apb_address = 1928; - break; - case 0x36: - apb_address = 1929; - break; - case 0x37: - apb_address = 1930; - break; - case 0x38: - apb_address = 1931; - break; - case 0x39: - apb_address = 1932; - break; - case 0x2a: - apb_address = 1935; - break; - case 0x2b: - apb_address = 1936; - break; - case 0x2c: - apb_address = 1937; - break; - case 0x2d: - apb_address = 1938; - break; - case 0x2e: - apb_address = 1939; - break; - case 0x2f: - apb_address = 1940; - break; - case 0x30: - apb_address = 1941; - break; - case 0x31: - apb_address = 1942; - break; - case 0x32: - apb_address = 1943; - break; - case 0x3e: - apb_address = 1944; - break; - case 0x3f: - apb_address = 1945; - break; - case 0x40: - apb_address = 1948; - break; - case 0x25: - apb_address = 936; - break; - case 0x26: - apb_address = 937; - break; - case 0x27: - apb_address = 938; - break; - case 0x28: - apb_address = 939; - break; - case 0x1d: - /* get sad sel request */ - i = ((dib8000_read_word(state, 921) >> 12)&0x3); - word = dib8000_read_word(state, 924+i); - msg[1].buf[0] = (word >> 8) & 0xff; - msg[1].buf[1] = (word) & 0xff; - return num; - case 0x1f: - if (num == 1) { /* write */ - word = (u16) ((msg[0].buf[1] << 8) | - msg[0].buf[2]); - /* in the VGAMODE Sel are located on bit 0/1 */ - word &= 0x3; - word = (dib8000_read_word(state, 921) & - ~(3<<12)) | (word<<12); - /* Set the proper input */ - dib8000_write_word(state, 921, word); - return num; - } - } - - if (apb_address != 0) /* R/W acces via APB */ - return dib8096p_rw_on_apb(i2c_adap, msg, num, apb_address); - else /* R/W access via SERPAR */ - return dib8096p_tuner_rw_serpar(i2c_adap, msg, num); - - return 0; -} - -static u32 dib8096p_i2c_func(struct i2c_adapter *adapter) -{ - return I2C_FUNC_I2C; -} - -static struct i2c_algorithm dib8096p_tuner_xfer_algo = { - .master_xfer = dib8096p_tuner_xfer, - .functionality = dib8096p_i2c_func, -}; - -struct i2c_adapter *dib8096p_get_i2c_tuner(struct dvb_frontend *fe) -{ - struct dib8000_state *st = fe->demodulator_priv; - return &st->dib8096p_tuner_adap; -} -EXPORT_SYMBOL(dib8096p_get_i2c_tuner); - -int dib8096p_tuner_sleep(struct dvb_frontend *fe, int onoff) -{ - struct dib8000_state *state = fe->demodulator_priv; - u16 en_cur_state; - - dprintk("sleep dib8096p: %d", onoff); - - en_cur_state = dib8000_read_word(state, 1922); - - /* LNAs and MIX are ON and therefore it is a valid configuration */ - if (en_cur_state > 0xff) - state->tuner_enable = en_cur_state ; - - if (onoff) - en_cur_state &= 0x00ff; - else { - if (state->tuner_enable != 0) - en_cur_state = state->tuner_enable; - } - - dib8000_write_word(state, 1922, en_cur_state); - - return 0; -} -EXPORT_SYMBOL(dib8096p_tuner_sleep); - -static const s32 lut_1000ln_mant[] = -{ - 908, 7003, 7090, 7170, 7244, 7313, 7377, 7438, 7495, 7549, 7600 -}; - -s32 dib8000_get_adc_power(struct dvb_frontend *fe, u8 mode) -{ - struct dib8000_state *state = fe->demodulator_priv; - u32 ix = 0, tmp_val = 0, exp = 0, mant = 0; - s32 val; - - val = dib8000_read32(state, 384); - if (mode) { - tmp_val = val; - while (tmp_val >>= 1) - exp++; - mant = (val * 1000 / (1<<exp)); - ix = (u8)((mant-1000)/100); /* index of the LUT */ - val = (lut_1000ln_mant[ix] + 693*(exp-20) - 6908); - val = (val*256)/1000; - } - return val; -} -EXPORT_SYMBOL(dib8000_get_adc_power); - -int dib8090p_get_dc_power(struct dvb_frontend *fe, u8 IQ) -{ - struct dib8000_state *state = fe->demodulator_priv; - int val = 0; - - switch (IQ) { - case 1: - val = dib8000_read_word(state, 403); - break; - case 0: - val = dib8000_read_word(state, 404); - break; - } - if (val & 0x200) - val -= 1024; - - return val; -} -EXPORT_SYMBOL(dib8090p_get_dc_power); - -static void dib8000_update_timf(struct dib8000_state *state) -{ - u32 timf = state->timf = dib8000_read32(state, 435); - - dib8000_write_word(state, 29, (u16) (timf >> 16)); - dib8000_write_word(state, 30, (u16) (timf & 0xffff)); - dprintk("Updated timing frequency: %d (default: %d)", state->timf, state->timf_default); -} - -u32 dib8000_ctrl_timf(struct dvb_frontend *fe, uint8_t op, uint32_t timf) -{ - struct dib8000_state *state = fe->demodulator_priv; - - switch (op) { - case DEMOD_TIMF_SET: - state->timf = timf; - break; - case DEMOD_TIMF_UPDATE: - dib8000_update_timf(state); - break; - case DEMOD_TIMF_GET: - break; - } - dib8000_set_bandwidth(state->fe[0], 6000); - - return state->timf; -} -EXPORT_SYMBOL(dib8000_ctrl_timf); - -static const u16 adc_target_16dB[11] = { - (1 << 13) - 825 - 117, - (1 << 13) - 837 - 117, - (1 << 13) - 811 - 117, - (1 << 13) - 766 - 117, - (1 << 13) - 737 - 117, - (1 << 13) - 693 - 117, - (1 << 13) - 648 - 117, - (1 << 13) - 619 - 117, - (1 << 13) - 575 - 117, - (1 << 13) - 531 - 117, - (1 << 13) - 501 - 117 -}; -static const u8 permu_seg[] = { 6, 5, 7, 4, 8, 3, 9, 2, 10, 1, 11, 0, 12 }; - -static void dib8000_set_channel(struct dib8000_state *state, u8 seq, u8 autosearching) -{ - u16 mode, max_constellation, seg_diff_mask = 0, nbseg_diff = 0; - u8 guard, crate, constellation, timeI; - u16 i, coeff[4], P_cfr_left_edge = 0, P_cfr_right_edge = 0, seg_mask13 = 0x1fff; // All 13 segments enabled - const s16 *ncoeff = NULL, *ana_fe; - u16 tmcc_pow = 0; - u16 coff_pow = 0x2800; - u16 init_prbs = 0xfff; - u16 ana_gain = 0; - - if (state->revision == 0x8090) - dib8000_init_sdram(state); - - if (state->ber_monitored_layer != LAYER_ALL) - dib8000_write_word(state, 285, (dib8000_read_word(state, 285) & 0x60) | state->ber_monitored_layer); - else - dib8000_write_word(state, 285, dib8000_read_word(state, 285) & 0x60); - - i = dib8000_read_word(state, 26) & 1; // P_dds_invspec - dib8000_write_word(state, 26, state->fe[0]->dtv_property_cache.inversion^i); - - if (state->fe[0]->dtv_property_cache.isdbt_sb_mode) { - //compute new dds_freq for the seg and adjust prbs - int seg_offset = - state->fe[0]->dtv_property_cache.isdbt_sb_segment_idx - - (state->fe[0]->dtv_property_cache.isdbt_sb_segment_count / 2) - - (state->fe[0]->dtv_property_cache.isdbt_sb_segment_count % 2); - int clk = state->cfg.pll->internal; - u32 segtodds = ((u32) (430 << 23) / clk) << 3; // segtodds = SegBW / Fclk * pow(2,26) - int dds_offset = seg_offset * segtodds; - int new_dds, sub_channel; - if ((state->fe[0]->dtv_property_cache.isdbt_sb_segment_count % 2) == 0) - dds_offset -= (int)(segtodds / 2); - - if (state->cfg.pll->ifreq == 0) { - if ((state->fe[0]->dtv_property_cache.inversion ^ i) == 0) { - dib8000_write_word(state, 26, dib8000_read_word(state, 26) | 1); - new_dds = dds_offset; - } else - new_dds = dds_offset; - - // We shift tuning frequency if the wanted segment is : - // - the segment of center frequency with an odd total number of segments - // - the segment to the left of center frequency with an even total number of segments - // - the segment to the right of center frequency with an even total number of segments - if ((state->fe[0]->dtv_property_cache.delivery_system == SYS_ISDBT) - && (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1) - && (((state->fe[0]->dtv_property_cache.isdbt_sb_segment_count % 2) - && (state->fe[0]->dtv_property_cache.isdbt_sb_segment_idx == - ((state->fe[0]->dtv_property_cache.isdbt_sb_segment_count / 2) + 1))) - || (((state->fe[0]->dtv_property_cache.isdbt_sb_segment_count % 2) == 0) - && (state->fe[0]->dtv_property_cache.isdbt_sb_segment_idx == (state->fe[0]->dtv_property_cache.isdbt_sb_segment_count / 2))) - || (((state->fe[0]->dtv_property_cache.isdbt_sb_segment_count % 2) == 0) - && (state->fe[0]->dtv_property_cache.isdbt_sb_segment_idx == - ((state->fe[0]->dtv_property_cache.isdbt_sb_segment_count / 2) + 1))) - )) { - new_dds -= ((u32) (850 << 22) / clk) << 4; // new_dds = 850 (freq shift in KHz) / Fclk * pow(2,26) - } - } else { - if ((state->fe[0]->dtv_property_cache.inversion ^ i) == 0) - new_dds = state->cfg.pll->ifreq - dds_offset; - else - new_dds = state->cfg.pll->ifreq + dds_offset; - } - dib8000_write_word(state, 27, (u16) ((new_dds >> 16) & 0x01ff)); - dib8000_write_word(state, 28, (u16) (new_dds & 0xffff)); - if (state->fe[0]->dtv_property_cache.isdbt_sb_segment_count % 2) - sub_channel = ((state->fe[0]->dtv_property_cache.isdbt_sb_subchannel + (3 * seg_offset) + 1) % 41) / 3; - else - sub_channel = ((state->fe[0]->dtv_property_cache.isdbt_sb_subchannel + (3 * seg_offset)) % 41) / 3; - sub_channel -= 6; - - if (state->fe[0]->dtv_property_cache.transmission_mode == TRANSMISSION_MODE_2K - || state->fe[0]->dtv_property_cache.transmission_mode == TRANSMISSION_MODE_4K) { - dib8000_write_word(state, 219, dib8000_read_word(state, 219) | 0x1); //adp_pass =1 - dib8000_write_word(state, 190, dib8000_read_word(state, 190) | (0x1 << 14)); //pha3_force_pha_shift = 1 - } else { - dib8000_write_word(state, 219, dib8000_read_word(state, 219) & 0xfffe); //adp_pass =0 - dib8000_write_word(state, 190, dib8000_read_word(state, 190) & 0xbfff); //pha3_force_pha_shift = 0 - } - - switch (state->fe[0]->dtv_property_cache.transmission_mode) { - case TRANSMISSION_MODE_2K: - switch (sub_channel) { - case -6: - init_prbs = 0x0; - break; // 41, 0, 1 - case -5: - init_prbs = 0x423; - break; // 02~04 - case -4: - init_prbs = 0x9; - break; // 05~07 - case -3: - init_prbs = 0x5C7; - break; // 08~10 - case -2: - init_prbs = 0x7A6; - break; // 11~13 - case -1: - init_prbs = 0x3D8; - break; // 14~16 - case 0: - init_prbs = 0x527; - break; // 17~19 - case 1: - init_prbs = 0x7FF; - break; // 20~22 - case 2: - init_prbs = 0x79B; - break; // 23~25 - case 3: - init_prbs = 0x3D6; - break; // 26~28 - case 4: - init_prbs = 0x3A2; - break; // 29~31 - case 5: - init_prbs = 0x53B; - break; // 32~34 - case 6: - init_prbs = 0x2F4; - break; // 35~37 - default: - case 7: - init_prbs = 0x213; - break; // 38~40 - } - break; - - case TRANSMISSION_MODE_4K: - switch (sub_channel) { - case -6: - init_prbs = 0x0; - break; // 41, 0, 1 - case -5: - init_prbs = 0x208; - break; // 02~04 - case -4: - init_prbs = 0xC3; - break; // 05~07 - case -3: - init_prbs = 0x7B9; - break; // 08~10 - case -2: - init_prbs = 0x423; - break; // 11~13 - case -1: - init_prbs = 0x5C7; - break; // 14~16 - case 0: - init_prbs = 0x3D8; - break; // 17~19 - case 1: - init_prbs = 0x7FF; - break; // 20~22 - case 2: - init_prbs = 0x3D6; - break; // 23~25 - case 3: - init_prbs = 0x53B; - break; // 26~28 - case 4: - init_prbs = 0x213; - break; // 29~31 - case 5: - init_prbs = 0x29; - break; // 32~34 - case 6: - init_prbs = 0xD0; - break; // 35~37 - default: - case 7: - init_prbs = 0x48E; - break; // 38~40 - } - break; - - default: - case TRANSMISSION_MODE_8K: - switch (sub_channel) { - case -6: - init_prbs = 0x0; - break; // 41, 0, 1 - case -5: - init_prbs = 0x740; - break; // 02~04 - case -4: - init_prbs = 0x069; - break; // 05~07 - case -3: - init_prbs = 0x7DD; - break; // 08~10 - case -2: - init_prbs = 0x208; - break; // 11~13 - case -1: - init_prbs = 0x7B9; - break; // 14~16 - case 0: - init_prbs = 0x5C7; - break; // 17~19 - case 1: - init_prbs = 0x7FF; - break; // 20~22 - case 2: - init_prbs = 0x53B; - break; // 23~25 - case 3: - init_prbs = 0x29; - break; // 26~28 - case 4: - init_prbs = 0x48E; - break; // 29~31 - case 5: - init_prbs = 0x4C4; - break; // 32~34 - case 6: - init_prbs = 0x367; - break; // 33~37 - default: - case 7: - init_prbs = 0x684; - break; // 38~40 - } - break; - } - } else { - dib8000_write_word(state, 27, (u16) ((state->cfg.pll->ifreq >> 16) & 0x01ff)); - dib8000_write_word(state, 28, (u16) (state->cfg.pll->ifreq & 0xffff)); - dib8000_write_word(state, 26, (u16) ((state->cfg.pll->ifreq >> 25) & 0x0003)); - } - /*P_mode == ?? */ - dib8000_write_word(state, 10, (seq << 4)); - // dib8000_write_word(state, 287, (dib8000_read_word(state, 287) & 0xe000) | 0x1000); - - switch (state->fe[0]->dtv_property_cache.guard_interval) { - case GUARD_INTERVAL_1_32: - guard = 0; - break; - case GUARD_INTERVAL_1_16: - guard = 1; - break; - case GUARD_INTERVAL_1_8: - guard = 2; - break; - case GUARD_INTERVAL_1_4: - default: - guard = 3; - break; - } - - dib8000_write_word(state, 1, (init_prbs << 2) | (guard & 0x3)); // ADDR 1 - - max_constellation = DQPSK; - for (i = 0; i < 3; i++) { - switch (state->fe[0]->dtv_property_cache.layer[i].modulation) { - case DQPSK: - constellation = 0; - break; - case QPSK: - constellation = 1; - break; - case QAM_16: - constellation = 2; - break; - case QAM_64: - default: - constellation = 3; - break; - } - - switch (state->fe[0]->dtv_property_cache.layer[i].fec) { - case FEC_1_2: - crate = 1; - break; - case FEC_2_3: - crate = 2; - break; - case FEC_3_4: - crate = 3; - break; - case FEC_5_6: - crate = 5; - break; - case FEC_7_8: - default: - crate = 7; - break; - } - - if ((state->fe[0]->dtv_property_cache.layer[i].interleaving > 0) && - ((state->fe[0]->dtv_property_cache.layer[i].interleaving <= 3) || - (state->fe[0]->dtv_property_cache.layer[i].interleaving == 4 && state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1)) - ) - timeI = state->fe[0]->dtv_property_cache.layer[i].interleaving; - else - timeI = 0; - dib8000_write_word(state, 2 + i, (constellation << 10) | ((state->fe[0]->dtv_property_cache.layer[i].segment_count & 0xf) << 6) | - (crate << 3) | timeI); - if (state->fe[0]->dtv_property_cache.layer[i].segment_count > 0) { - switch (max_constellation) { - case DQPSK: - case QPSK: - if (state->fe[0]->dtv_property_cache.layer[i].modulation == QAM_16 || - state->fe[0]->dtv_property_cache.layer[i].modulation == QAM_64) - max_constellation = state->fe[0]->dtv_property_cache.layer[i].modulation; - break; - case QAM_16: - if (state->fe[0]->dtv_property_cache.layer[i].modulation == QAM_64) - max_constellation = state->fe[0]->dtv_property_cache.layer[i].modulation; - break; - } - } - } - - mode = fft_to_mode(state); - - //dib8000_write_word(state, 5, 13); /*p_last_seg = 13*/ - - dib8000_write_word(state, 274, (dib8000_read_word(state, 274) & 0xffcf) | - ((state->fe[0]->dtv_property_cache.isdbt_partial_reception & 1) << 5) | ((state->fe[0]->dtv_property_cache. - isdbt_sb_mode & 1) << 4)); - - dprintk("mode = %d ; guard = %d", mode, state->fe[0]->dtv_property_cache.guard_interval); - - /* signal optimization parameter */ - - if (state->fe[0]->dtv_property_cache.isdbt_partial_reception) { - seg_diff_mask = (state->fe[0]->dtv_property_cache.layer[0].modulation == DQPSK) << permu_seg[0]; - for (i = 1; i < 3; i++) - nbseg_diff += - (state->fe[0]->dtv_property_cache.layer[i].modulation == DQPSK) * state->fe[0]->dtv_property_cache.layer[i].segment_count; - for (i = 0; i < nbseg_diff; i++) - seg_diff_mask |= 1 << permu_seg[i + 1]; - } else { - for (i = 0; i < 3; i++) - nbseg_diff += - (state->fe[0]->dtv_property_cache.layer[i].modulation == DQPSK) * state->fe[0]->dtv_property_cache.layer[i].segment_count; - for (i = 0; i < nbseg_diff; i++) - seg_diff_mask |= 1 << permu_seg[i]; - } - dprintk("nbseg_diff = %X (%d)", seg_diff_mask, seg_diff_mask); - - state->differential_constellation = (seg_diff_mask != 0); - if (state->revision != 0x8090) - dib8000_set_diversity_in(state->fe[0], state->diversity_onoff); - else - dib8096p_set_diversity_in(state->fe[0], state->diversity_onoff); - - if (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1) { - if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 1) - seg_mask13 = 0x00E0; - else // 1-segment - seg_mask13 = 0x0040; - } else - seg_mask13 = 0x1fff; - - // WRITE: Mode & Diff mask - dib8000_write_word(state, 0, (mode << 13) | seg_diff_mask); - - if ((seg_diff_mask) || (state->fe[0]->dtv_property_cache.isdbt_sb_mode)) - dib8000_write_word(state, 268, (dib8000_read_word(state, 268) & 0xF9FF) | 0x0200); - else - dib8000_write_word(state, 268, (2 << 9) | 39); //init value - - // ---- SMALL ---- - // P_small_seg_diff - dib8000_write_word(state, 352, seg_diff_mask); // ADDR 352 - - dib8000_write_word(state, 353, seg_mask13); // ADDR 353 - -/* // P_small_narrow_band=0, P_small_last_seg=13, P_small_offset_num_car=5 */ - - // ---- SMALL ---- - if (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1) { - switch (state->fe[0]->dtv_property_cache.transmission_mode) { - case TRANSMISSION_MODE_2K: - if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0) { - if (state->fe[0]->dtv_property_cache.layer[0].modulation == DQPSK) - ncoeff = coeff_2k_sb_1seg_dqpsk; - else // QPSK or QAM - ncoeff = coeff_2k_sb_1seg; - } else { // 3-segments - if (state->fe[0]->dtv_property_cache.layer[0].modulation == DQPSK) { - if (state->fe[0]->dtv_property_cache.layer[1].modulation == DQPSK) - ncoeff = coeff_2k_sb_3seg_0dqpsk_1dqpsk; - else // QPSK or QAM on external segments - ncoeff = coeff_2k_sb_3seg_0dqpsk; - } else { // QPSK or QAM on central segment - if (state->fe[0]->dtv_property_cache.layer[1].modulation == DQPSK) - ncoeff = coeff_2k_sb_3seg_1dqpsk; - else // QPSK or QAM on external segments - ncoeff = coeff_2k_sb_3seg; - } - } - break; - - case TRANSMISSION_MODE_4K: - if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0) { - if (state->fe[0]->dtv_property_cache.layer[0].modulation == DQPSK) - ncoeff = coeff_4k_sb_1seg_dqpsk; - else // QPSK or QAM - ncoeff = coeff_4k_sb_1seg; - } else { // 3-segments - if (state->fe[0]->dtv_property_cache.layer[0].modulation == DQPSK) { - if (state->fe[0]->dtv_property_cache.layer[1].modulation == DQPSK) { - ncoeff = coeff_4k_sb_3seg_0dqpsk_1dqpsk; - } else { // QPSK or QAM on external segments - ncoeff = coeff_4k_sb_3seg_0dqpsk; - } - } else { // QPSK or QAM on central segment - if (state->fe[0]->dtv_property_cache.layer[1].modulation == DQPSK) { - ncoeff = coeff_4k_sb_3seg_1dqpsk; - } else // QPSK or QAM on external segments - ncoeff = coeff_4k_sb_3seg; - } - } - break; - - case TRANSMISSION_MODE_AUTO: - case TRANSMISSION_MODE_8K: - default: - if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0) { - if (state->fe[0]->dtv_property_cache.layer[0].modulation == DQPSK) - ncoeff = coeff_8k_sb_1seg_dqpsk; - else // QPSK or QAM - ncoeff = coeff_8k_sb_1seg; - } else { // 3-segments - if (state->fe[0]->dtv_property_cache.layer[0].modulation == DQPSK) { - if (state->fe[0]->dtv_property_cache.layer[1].modulation == DQPSK) { - ncoeff = coeff_8k_sb_3seg_0dqpsk_1dqpsk; - } else { // QPSK or QAM on external segments - ncoeff = coeff_8k_sb_3seg_0dqpsk; - } - } else { // QPSK or QAM on central segment - if (state->fe[0]->dtv_property_cache.layer[1].modulation == DQPSK) { - ncoeff = coeff_8k_sb_3seg_1dqpsk; - } else // QPSK or QAM on external segments - ncoeff = coeff_8k_sb_3seg; - } - } - break; - } - for (i = 0; i < 8; i++) - dib8000_write_word(state, 343 + i, ncoeff[i]); - } - - // P_small_coef_ext_enable=ISDB-Tsb, P_small_narrow_band=ISDB-Tsb, P_small_last_seg=13, P_small_offset_num_car=5 - dib8000_write_word(state, 351, - (state->fe[0]->dtv_property_cache.isdbt_sb_mode << 9) | (state->fe[0]->dtv_property_cache.isdbt_sb_mode << 8) | (13 << 4) | 5); - - // ---- COFF ---- - // Carloff, the most robust - if (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1) { - - // P_coff_cpil_alpha=4, P_coff_inh=0, P_coff_cpil_winlen=64 - // P_coff_narrow_band=1, P_coff_square_val=1, P_coff_one_seg=~partial_rcpt, P_coff_use_tmcc=1, P_coff_use_ac=1 - dib8000_write_word(state, 187, - (4 << 12) | (0 << 11) | (63 << 5) | (0x3 << 3) | ((~state->fe[0]->dtv_property_cache.isdbt_partial_reception & 1) << 2) - | 0x3); - -/* // P_small_coef_ext_enable = 1 */ -/* dib8000_write_word(state, 351, dib8000_read_word(state, 351) | 0x200); */ - - if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0) { - - // P_coff_winlen=63, P_coff_thres_lock=15, P_coff_one_seg_width= (P_mode == 3) , P_coff_one_seg_sym= (P_mode-1) - if (mode == 3) - dib8000_write_word(state, 180, 0x1fcf | ((mode - 1) << 14)); - else - dib8000_write_word(state, 180, 0x0fcf | ((mode - 1) << 14)); - // P_ctrl_corm_thres4pre_freq_inh=1,P_ctrl_pre_freq_mode_sat=1, - // P_ctrl_pre_freq_inh=0, P_ctrl_pre_freq_step = 5, P_pre_freq_win_len=4 - dib8000_write_word(state, 338, (1 << 12) | (1 << 10) | (0 << 9) | (5 << 5) | 4); - // P_ctrl_pre_freq_win_len=16, P_ctrl_pre_freq_thres_lockin=8 - dib8000_write_word(state, 340, (16 << 6) | (8 << 0)); - // P_ctrl_pre_freq_thres_lockout=6, P_small_use_tmcc/ac/cp=1 - dib8000_write_word(state, 341, (6 << 3) | (1 << 2) | (1 << 1) | (1 << 0)); - - // P_coff_corthres_8k, 4k, 2k and P_coff_cpilthres_8k, 4k, 2k - dib8000_write_word(state, 181, 300); - dib8000_write_word(state, 182, 150); - dib8000_write_word(state, 183, 80); - dib8000_write_word(state, 184, 300); - dib8000_write_word(state, 185, 150); - dib8000_write_word(state, 186, 80); - } else { // Sound Broadcasting mode 3 seg - // P_coff_one_seg_sym= 1, P_coff_one_seg_width= 1, P_coff_winlen=63, P_coff_thres_lock=15 - /* if (mode == 3) */ - /* dib8000_write_word(state, 180, 0x2fca | ((0) << 14)); */ - /* else */ - /* dib8000_write_word(state, 180, 0x2fca | ((1) << 14)); */ - dib8000_write_word(state, 180, 0x1fcf | (1 << 14)); - - // P_ctrl_corm_thres4pre_freq_inh = 1, P_ctrl_pre_freq_mode_sat=1, - // P_ctrl_pre_freq_inh=0, P_ctrl_pre_freq_step = 4, P_pre_freq_win_len=4 - dib8000_write_word(state, 338, (1 << 12) | (1 << 10) | (0 << 9) | (4 << 5) | 4); - // P_ctrl_pre_freq_win_len=16, P_ctrl_pre_freq_thres_lockin=8 - dib8000_write_word(state, 340, (16 << 6) | (8 << 0)); - //P_ctrl_pre_freq_thres_lockout=6, P_small_use_tmcc/ac/cp=1 - dib8000_write_word(state, 341, (6 << 3) | (1 << 2) | (1 << 1) | (1 << 0)); - - // P_coff_corthres_8k, 4k, 2k and P_coff_cpilthres_8k, 4k, 2k - dib8000_write_word(state, 181, 350); - dib8000_write_word(state, 182, 300); - dib8000_write_word(state, 183, 250); - dib8000_write_word(state, 184, 350); - dib8000_write_word(state, 185, 300); - dib8000_write_word(state, 186, 250); - } - - } else if (state->isdbt_cfg_loaded == 0) { // if not Sound Broadcasting mode : put default values for 13 segments - dib8000_write_word(state, 180, (16 << 6) | 9); - dib8000_write_word(state, 187, (4 << 12) | (8 << 5) | 0x2); - coff_pow = 0x2800; - for (i = 0; i < 6; i++) - dib8000_write_word(state, 181 + i, coff_pow); - - // P_ctrl_corm_thres4pre_freq_inh=1, P_ctrl_pre_freq_mode_sat=1, - // P_ctrl_pre_freq_mode_sat=1, P_ctrl_pre_freq_inh=0, P_ctrl_pre_freq_step = 3, P_pre_freq_win_len=1 - dib8000_write_word(state, 338, (1 << 12) | (1 << 10) | (0 << 9) | (3 << 5) | 1); - - // P_ctrl_pre_freq_win_len=8, P_ctrl_pre_freq_thres_lockin=6 - dib8000_write_word(state, 340, (8 << 6) | (6 << 0)); - // P_ctrl_pre_freq_thres_lockout=4, P_small_use_tmcc/ac/cp=1 - dib8000_write_word(state, 341, (4 << 3) | (1 << 2) | (1 << 1) | (1 << 0)); - } - // ---- FFT ---- - if (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1 && state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0) - dib8000_write_word(state, 178, 64); // P_fft_powrange=64 - else - dib8000_write_word(state, 178, 32); // P_fft_powrange=32 - - /* make the cpil_coff_lock more robust but slower p_coff_winlen - * 6bits; p_coff_thres_lock 6bits (for coff lock if needed) - */ - /* if ( ( nbseg_diff>0)&&(nbseg_diff<13)) - dib8000_write_word(state, 187, (dib8000_read_word(state, 187) & 0xfffb) | (1 << 3)); */ - - dib8000_write_word(state, 189, ~seg_mask13 | seg_diff_mask); /* P_lmod4_seg_inh */ - dib8000_write_word(state, 192, ~seg_mask13 | seg_diff_mask); /* P_pha3_seg_inh */ - dib8000_write_word(state, 225, ~seg_mask13 | seg_diff_mask); /* P_tac_seg_inh */ - if ((!state->fe[0]->dtv_property_cache.isdbt_sb_mode) && (state->cfg.pll->ifreq == 0)) - dib8000_write_word(state, 266, ~seg_mask13 | seg_diff_mask | 0x40); /* P_equal_noise_seg_inh */ - else - dib8000_write_word(state, 266, ~seg_mask13 | seg_diff_mask); /* P_equal_noise_seg_inh */ - dib8000_write_word(state, 287, ~seg_mask13 | 0x1000); /* P_tmcc_seg_inh */ - //dib8000_write_word(state, 288, ~seg_mask13 | seg_diff_mask); /* P_tmcc_seg_eq_inh */ - if (!autosearching) - dib8000_write_word(state, 288, (~seg_mask13 | seg_diff_mask) & 0x1fff); /* P_tmcc_seg_eq_inh */ - else - dib8000_write_word(state, 288, 0x1fff); //disable equalisation of the tmcc when autosearch to be able to find the DQPSK channels. - dprintk("287 = %X (%d)", ~seg_mask13 | 0x1000, ~seg_mask13 | 0x1000); - - dib8000_write_word(state, 211, seg_mask13 & (~seg_diff_mask)); /* P_des_seg_enabled */ - - /* offset loop parameters */ - if (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1) { - if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0) - /* P_timf_alpha = (11-P_mode), P_corm_alpha=6, P_corm_thres=0x80 */ - dib8000_write_word(state, 32, ((11 - mode) << 12) | (6 << 8) | 0x40); - - else // Sound Broadcasting mode 3 seg - /* P_timf_alpha = (10-P_mode), P_corm_alpha=6, P_corm_thres=0x80 */ - dib8000_write_word(state, 32, ((10 - mode) << 12) | (6 << 8) | 0x60); - } else - // TODO in 13 seg, timf_alpha can always be the same or not ? - /* P_timf_alpha = (9-P_mode, P_corm_alpha=6, P_corm_thres=0x80 */ - dib8000_write_word(state, 32, ((9 - mode) << 12) | (6 << 8) | 0x80); - - if (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1) { - if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0) - /* P_ctrl_pha_off_max=3 P_ctrl_sfreq_inh =0 P_ctrl_sfreq_step = (11-P_mode) */ - dib8000_write_word(state, 37, (3 << 5) | (0 << 4) | (10 - mode)); - - else // Sound Broadcasting mode 3 seg - /* P_ctrl_pha_off_max=3 P_ctrl_sfreq_inh =0 P_ctrl_sfreq_step = (10-P_mode) */ - dib8000_write_word(state, 37, (3 << 5) | (0 << 4) | (9 - mode)); - } else - /* P_ctrl_pha_off_max=3 P_ctrl_sfreq_inh =0 P_ctrl_sfreq_step = 9 */ - dib8000_write_word(state, 37, (3 << 5) | (0 << 4) | (8 - mode)); - - /* P_dvsy_sync_wait - reuse mode */ - switch (state->fe[0]->dtv_property_cache.transmission_mode) { - case TRANSMISSION_MODE_8K: - mode = 256; - break; - case TRANSMISSION_MODE_4K: - mode = 128; - break; - default: - case TRANSMISSION_MODE_2K: - mode = 64; - break; - } - if (state->cfg.diversity_delay == 0) - mode = (mode * (1 << (guard)) * 3) / 2 + 48; // add 50% SFN margin + compensate for one DVSY-fifo - else - mode = (mode * (1 << (guard)) * 3) / 2 + state->cfg.diversity_delay; // add 50% SFN margin + compensate for DVSY-fifo - mode <<= 4; - dib8000_write_word(state, 273, (dib8000_read_word(state, 273) & 0x000f) | mode); - - /* channel estimation fine configuration */ - switch (max_constellation) { - case QAM_64: - ana_gain = 0x7; // -1 : avoid def_est saturation when ADC target is -16dB - coeff[0] = 0x0148; /* P_adp_regul_cnt 0.04 */ - coeff[1] = 0xfff0; /* P_adp_noise_cnt -0.002 */ - coeff[2] = 0x00a4; /* P_adp_regul_ext 0.02 */ - coeff[3] = 0xfff8; /* P_adp_noise_ext -0.001 */ - //if (!state->cfg.hostbus_diversity) //if diversity, we should prehaps use the configuration of the max_constallation -1 - break; - case QAM_16: - ana_gain = 0x7; // -1 : avoid def_est saturation when ADC target is -16dB - coeff[0] = 0x023d; /* P_adp_regul_cnt 0.07 */ - coeff[1] = 0xffdf; /* P_adp_noise_cnt -0.004 */ - coeff[2] = 0x00a4; /* P_adp_regul_ext 0.02 */ - coeff[3] = 0xfff0; /* P_adp_noise_ext -0.002 */ - //if (!((state->cfg.hostbus_diversity) && (max_constellation == QAM_16))) - break; - default: - ana_gain = 0; // 0 : goes along with ADC target at -22dB to keep good mobile performance and lock at sensitivity level - coeff[0] = 0x099a; /* P_adp_regul_cnt 0.3 */ - coeff[1] = 0xffae; /* P_adp_noise_cnt -0.01 */ - coeff[2] = 0x0333; /* P_adp_regul_ext 0.1 */ - coeff[3] = 0xfff8; /* P_adp_noise_ext -0.002 */ - break; - } - for (mode = 0; mode < 4; mode++) - dib8000_write_word(state, 215 + mode, coeff[mode]); - - // update ana_gain depending on max constellation - dib8000_write_word(state, 116, ana_gain); - // update ADC target depending on ana_gain - if (ana_gain) { // set -16dB ADC target for ana_gain=-1 - for (i = 0; i < 10; i++) - dib8000_write_word(state, 80 + i, adc_target_16dB[i]); - } else { // set -22dB ADC target for ana_gain=0 - for (i = 0; i < 10; i++) - dib8000_write_word(state, 80 + i, adc_target_16dB[i] - 355); - } - - // ---- ANA_FE ---- - if (state->fe[0]->dtv_property_cache.isdbt_sb_mode) { - if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 1) - ana_fe = ana_fe_coeff_3seg; - else // 1-segment - ana_fe = ana_fe_coeff_1seg; - } else - ana_fe = ana_fe_coeff_13seg; - - if (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1 || state->isdbt_cfg_loaded == 0) - for (mode = 0; mode < 24; mode++) - dib8000_write_word(state, 117 + mode, ana_fe[mode]); - - // ---- CHAN_BLK ---- - for (i = 0; i < 13; i++) { - if ((((~seg_diff_mask) >> i) & 1) == 1) { - P_cfr_left_edge += (1 << i) * ((i == 0) || ((((seg_mask13 & (~seg_diff_mask)) >> (i - 1)) & 1) == 0)); - P_cfr_right_edge += (1 << i) * ((i == 12) || ((((seg_mask13 & (~seg_diff_mask)) >> (i + 1)) & 1) == 0)); - } - } - dib8000_write_word(state, 222, P_cfr_left_edge); // P_cfr_left_edge - dib8000_write_word(state, 223, P_cfr_right_edge); // P_cfr_right_edge - // "P_cspu_left_edge" not used => do not care - // "P_cspu_right_edge" not used => do not care - - if (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1) { - dib8000_write_word(state, 228, 1); // P_2d_mode_byp=1 - dib8000_write_word(state, 205, dib8000_read_word(state, 205) & 0xfff0); // P_cspu_win_cut = 0 - if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0 - && state->fe[0]->dtv_property_cache.transmission_mode == TRANSMISSION_MODE_2K) { - //dib8000_write_word(state, 219, dib8000_read_word(state, 219) & 0xfffe); // P_adp_pass = 0 - dib8000_write_word(state, 265, 15); // P_equal_noise_sel = 15 - } - } else if (state->isdbt_cfg_loaded == 0) { - dib8000_write_word(state, 228, 0); // default value - dib8000_write_word(state, 265, 31); // default value - dib8000_write_word(state, 205, 0x200f); // init value - } - // ---- TMCC ---- - for (i = 0; i < 3; i++) - tmcc_pow += - (((state->fe[0]->dtv_property_cache.layer[i].modulation == DQPSK) * 4 + 1) * state->fe[0]->dtv_property_cache.layer[i].segment_count); - // Quantif of "P_tmcc_dec_thres_?k" is (0, 5+mode, 9); - // Threshold is set at 1/4 of max power. - tmcc_pow *= (1 << (9 - 2)); - - dib8000_write_word(state, 290, tmcc_pow); // P_tmcc_dec_thres_2k - dib8000_write_word(state, 291, tmcc_pow); // P_tmcc_dec_thres_4k - dib8000_write_word(state, 292, tmcc_pow); // P_tmcc_dec_thres_8k - //dib8000_write_word(state, 287, (1 << 13) | 0x1000 ); - // ---- PHA3 ---- - - if (state->isdbt_cfg_loaded == 0) - dib8000_write_word(state, 250, 3285); /*p_2d_hspeed_thr0 */ - - if (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1) - state->isdbt_cfg_loaded = 0; - else - state->isdbt_cfg_loaded = 1; - -} - -static int dib8000_autosearch_start(struct dvb_frontend *fe) -{ - u8 factor; - u32 value; - struct dib8000_state *state = fe->demodulator_priv; - - int slist = 0; - - state->fe[0]->dtv_property_cache.inversion = 0; - if (!state->fe[0]->dtv_property_cache.isdbt_sb_mode) - state->fe[0]->dtv_property_cache.layer[0].segment_count = 13; - state->fe[0]->dtv_property_cache.layer[0].modulation = QAM_64; - state->fe[0]->dtv_property_cache.layer[0].fec = FEC_2_3; - state->fe[0]->dtv_property_cache.layer[0].interleaving = 0; - - //choose the right list, in sb, always do everything - if (state->fe[0]->dtv_property_cache.isdbt_sb_mode) { - state->fe[0]->dtv_property_cache.transmission_mode = TRANSMISSION_MODE_8K; - state->fe[0]->dtv_property_cache.guard_interval = GUARD_INTERVAL_1_8; - slist = 7; - dib8000_write_word(state, 0, (dib8000_read_word(state, 0) & 0x9fff) | (1 << 13)); - } else { - if (state->fe[0]->dtv_property_cache.guard_interval == GUARD_INTERVAL_AUTO) { - if (state->fe[0]->dtv_property_cache.transmission_mode == TRANSMISSION_MODE_AUTO) { - slist = 7; - dib8000_write_word(state, 0, (dib8000_read_word(state, 0) & 0x9fff) | (1 << 13)); // P_mode = 1 to have autosearch start ok with mode2 - } else - slist = 3; - } else { - if (state->fe[0]->dtv_property_cache.transmission_mode == TRANSMISSION_MODE_AUTO) { - slist = 2; - dib8000_write_word(state, 0, (dib8000_read_word(state, 0) & 0x9fff) | (1 << 13)); // P_mode = 1 - } else - slist = 0; - } - - if (state->fe[0]->dtv_property_cache.transmission_mode == TRANSMISSION_MODE_AUTO) - state->fe[0]->dtv_property_cache.transmission_mode = TRANSMISSION_MODE_8K; - if (state->fe[0]->dtv_property_cache.guard_interval == GUARD_INTERVAL_AUTO) - state->fe[0]->dtv_property_cache.guard_interval = GUARD_INTERVAL_1_8; - - dprintk("using list for autosearch : %d", slist); - dib8000_set_channel(state, (unsigned char)slist, 1); - //dib8000_write_word(state, 0, (dib8000_read_word(state, 0) & 0x9fff) | (1 << 13)); // P_mode = 1 - - factor = 1; - - //set lock_mask values - dib8000_write_word(state, 6, 0x4); - dib8000_write_word(state, 7, 0x8); - dib8000_write_word(state, 8, 0x1000); - - //set lock_mask wait time values - value = 50 * state->cfg.pll->internal * factor; - dib8000_write_word(state, 11, (u16) ((value >> 16) & 0xffff)); // lock0 wait time - dib8000_write_word(state, 12, (u16) (value & 0xffff)); // lock0 wait time - value = 100 * state->cfg.pll->internal * factor; - dib8000_write_word(state, 13, (u16) ((value >> 16) & 0xffff)); // lock1 wait time - dib8000_write_word(state, 14, (u16) (value & 0xffff)); // lock1 wait time - value = 1000 * state->cfg.pll->internal * factor; - dib8000_write_word(state, 15, (u16) ((value >> 16) & 0xffff)); // lock2 wait time - dib8000_write_word(state, 16, (u16) (value & 0xffff)); // lock2 wait time - - value = dib8000_read_word(state, 0); - dib8000_write_word(state, 0, (u16) ((1 << 15) | value)); - dib8000_read_word(state, 1284); // reset the INT. n_irq_pending - dib8000_write_word(state, 0, (u16) value); - - } - - return 0; -} - -static int dib8000_autosearch_irq(struct dvb_frontend *fe) -{ - struct dib8000_state *state = fe->demodulator_priv; - u16 irq_pending = dib8000_read_word(state, 1284); - - if (irq_pending & 0x1) { // failed - dprintk("dib8000_autosearch_irq failed"); - return 1; - } - - if (irq_pending & 0x2) { // succeeded - dprintk("dib8000_autosearch_irq succeeded"); - return 2; - } - - return 0; // still pending -} - -static int dib8000_tune(struct dvb_frontend *fe) -{ - struct dib8000_state *state = fe->demodulator_priv; - int ret = 0; - u16 lock, value, mode; - - // we are already tuned - just resuming from suspend - if (state == NULL) - return -EINVAL; - - mode = fft_to_mode(state); - - dib8000_set_bandwidth(fe, state->fe[0]->dtv_property_cache.bandwidth_hz / 1000); - dib8000_set_channel(state, 0, 0); - - // restart demod - ret |= dib8000_write_word(state, 770, 0x4000); - ret |= dib8000_write_word(state, 770, 0x0000); - msleep(45); - - /* P_ctrl_inh_cor=0, P_ctrl_alpha_cor=4, P_ctrl_inh_isi=0, P_ctrl_alpha_isi=3 */ - /* ret |= dib8000_write_word(state, 29, (0 << 9) | (4 << 5) | (0 << 4) | (3 << 0) ); workaround inh_isi stays at 1 */ - - // never achieved a lock before - wait for timfreq to update - if (state->timf == 0) { - if (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1) { - if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0) - msleep(300); - else // Sound Broadcasting mode 3 seg - msleep(500); - } else // 13 seg - msleep(200); - } - if (state->fe[0]->dtv_property_cache.isdbt_sb_mode == 1) { - if (state->fe[0]->dtv_property_cache.isdbt_partial_reception == 0) { - - /* P_timf_alpha = (13-P_mode) , P_corm_alpha=6, P_corm_thres=0x40 alpha to check on board */ - dib8000_write_word(state, 32, ((13 - mode) << 12) | (6 << 8) | 0x40); - //dib8000_write_word(state, 32, (8 << 12) | (6 << 8) | 0x80); - - /* P_ctrl_sfreq_step= (12-P_mode) P_ctrl_sfreq_inh =0 P_ctrl_pha_off_max */ - ret |= dib8000_write_word(state, 37, (12 - mode) | ((5 + mode) << 5)); - - } else { // Sound Broadcasting mode 3 seg - - /* P_timf_alpha = (12-P_mode) , P_corm_alpha=6, P_corm_thres=0x60 alpha to check on board */ - dib8000_write_word(state, 32, ((12 - mode) << 12) | (6 << 8) | 0x60); - - ret |= dib8000_write_word(state, 37, (11 - mode) | ((5 + mode) << 5)); - } - - } else { // 13 seg - /* P_timf_alpha = 8 , P_corm_alpha=6, P_corm_thres=0x80 alpha to check on board */ - dib8000_write_word(state, 32, ((11 - mode) << 12) | (6 << 8) | 0x80); - - ret |= dib8000_write_word(state, 37, (10 - mode) | ((5 + mode) << 5)); - - } - - // we achieved a coff_cpil_lock - it's time to update the timf - if (state->revision != 0x8090) - lock = dib8000_read_word(state, 568); - else - lock = dib8000_read_word(state, 570); - if ((lock >> 11) & 0x1) - dib8000_update_timf(state); - - //now that tune is finished, lock0 should lock on fec_mpeg to output this lock on MP_LOCK. It's changed in autosearch start - dib8000_write_word(state, 6, 0x200); - - if (state->revision == 0x8002) { - value = dib8000_read_word(state, 903); - dib8000_write_word(state, 903, value & ~(1 << 3)); - msleep(1); - dib8000_write_word(state, 903, value | (1 << 3)); - } - - return ret; -} - -static int dib8000_wakeup(struct dvb_frontend *fe) -{ - struct dib8000_state *state = fe->demodulator_priv; - u8 index_frontend; - int ret; - - dib8000_set_power_mode(state, DIB8000_POWER_ALL); - dib8000_set_adc_state(state, DIBX000_ADC_ON); - if (dib8000_set_adc_state(state, DIBX000_SLOW_ADC_ON) != 0) - dprintk("could not start Slow ADC"); - - if (state->revision != 0x8090) - dib8000_sad_calib(state); - - for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) { - ret = state->fe[index_frontend]->ops.init(state->fe[index_frontend]); - if (ret < 0) - return ret; - } - - return 0; -} - -static int dib8000_sleep(struct dvb_frontend *fe) -{ - struct dib8000_state *state = fe->demodulator_priv; - u8 index_frontend; - int ret; - - for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) { - ret = state->fe[index_frontend]->ops.sleep(state->fe[index_frontend]); - if (ret < 0) - return ret; - } - - if (state->revision != 0x8090) - dib8000_set_output_mode(fe, OUTMODE_HIGH_Z); - dib8000_set_power_mode(state, DIB8000_POWER_INTERFACE_ONLY); - return dib8000_set_adc_state(state, DIBX000_SLOW_ADC_OFF) | dib8000_set_adc_state(state, DIBX000_ADC_OFF); -} - -enum frontend_tune_state dib8000_get_tune_state(struct dvb_frontend *fe) -{ - struct dib8000_state *state = fe->demodulator_priv; - return state->tune_state; -} -EXPORT_SYMBOL(dib8000_get_tune_state); - -int dib8000_set_tune_state(struct dvb_frontend *fe, enum frontend_tune_state tune_state) -{ - struct dib8000_state *state = fe->demodulator_priv; - state->tune_state = tune_state; - return 0; -} -EXPORT_SYMBOL(dib8000_set_tune_state); - -static int dib8000_get_frontend(struct dvb_frontend *fe) -{ - struct dib8000_state *state = fe->demodulator_priv; - u16 i, val = 0; - fe_status_t stat; - u8 index_frontend, sub_index_frontend; - - fe->dtv_property_cache.bandwidth_hz = 6000000; - - for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) { - state->fe[index_frontend]->ops.read_status(state->fe[index_frontend], &stat); - if (stat&FE_HAS_SYNC) { - dprintk("TMCC lock on the slave%i", index_frontend); - /* synchronize the cache with the other frontends */ - state->fe[index_frontend]->ops.get_frontend(state->fe[index_frontend]); - for (sub_index_frontend = 0; (sub_index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[sub_index_frontend] != NULL); sub_index_frontend++) { - if (sub_index_frontend != index_frontend) { - state->fe[sub_index_frontend]->dtv_property_cache.isdbt_sb_mode = state->fe[index_frontend]->dtv_property_cache.isdbt_sb_mode; - state->fe[sub_index_frontend]->dtv_property_cache.inversion = state->fe[index_frontend]->dtv_property_cache.inversion; - state->fe[sub_index_frontend]->dtv_property_cache.transmission_mode = state->fe[index_frontend]->dtv_property_cache.transmission_mode; - state->fe[sub_index_frontend]->dtv_property_cache.guard_interval = state->fe[index_frontend]->dtv_property_cache.guard_interval; - state->fe[sub_index_frontend]->dtv_property_cache.isdbt_partial_reception = state->fe[index_frontend]->dtv_property_cache.isdbt_partial_reception; - for (i = 0; i < 3; i++) { - state->fe[sub_index_frontend]->dtv_property_cache.layer[i].segment_count = state->fe[index_frontend]->dtv_property_cache.layer[i].segment_count; - state->fe[sub_index_frontend]->dtv_property_cache.layer[i].interleaving = state->fe[index_frontend]->dtv_property_cache.layer[i].interleaving; - state->fe[sub_index_frontend]->dtv_property_cache.layer[i].fec = state->fe[index_frontend]->dtv_property_cache.layer[i].fec; - state->fe[sub_index_frontend]->dtv_property_cache.layer[i].modulation = state->fe[index_frontend]->dtv_property_cache.layer[i].modulation; - } - } - } - return 0; - } - } - - fe->dtv_property_cache.isdbt_sb_mode = dib8000_read_word(state, 508) & 0x1; - - if (state->revision == 0x8090) - val = dib8000_read_word(state, 572); - else - val = dib8000_read_word(state, 570); - fe->dtv_property_cache.inversion = (val & 0x40) >> 6; - switch ((val & 0x30) >> 4) { - case 1: - fe->dtv_property_cache.transmission_mode = TRANSMISSION_MODE_2K; - break; - case 3: - default: - fe->dtv_property_cache.transmission_mode = TRANSMISSION_MODE_8K; - break; - } - - switch (val & 0x3) { - case 0: - fe->dtv_property_cache.guard_interval = GUARD_INTERVAL_1_32; - dprintk("dib8000_get_frontend GI = 1/32 "); - break; - case 1: - fe->dtv_property_cache.guard_interval = GUARD_INTERVAL_1_16; - dprintk("dib8000_get_frontend GI = 1/16 "); - break; - case 2: - dprintk("dib8000_get_frontend GI = 1/8 "); - fe->dtv_property_cache.guard_interval = GUARD_INTERVAL_1_8; - break; - case 3: - dprintk("dib8000_get_frontend GI = 1/4 "); - fe->dtv_property_cache.guard_interval = GUARD_INTERVAL_1_4; - break; - } - - val = dib8000_read_word(state, 505); - fe->dtv_property_cache.isdbt_partial_reception = val & 1; - dprintk("dib8000_get_frontend : partial_reception = %d ", fe->dtv_property_cache.isdbt_partial_reception); - - for (i = 0; i < 3; i++) { - val = dib8000_read_word(state, 493 + i); - fe->dtv_property_cache.layer[i].segment_count = val & 0x0F; - dprintk("dib8000_get_frontend : Layer %d segments = %d ", i, fe->dtv_property_cache.layer[i].segment_count); - - val = dib8000_read_word(state, 499 + i); - fe->dtv_property_cache.layer[i].interleaving = val & 0x3; - dprintk("dib8000_get_frontend : Layer %d time_intlv = %d ", i, fe->dtv_property_cache.layer[i].interleaving); - - val = dib8000_read_word(state, 481 + i); - switch (val & 0x7) { - case 1: - fe->dtv_property_cache.layer[i].fec = FEC_1_2; - dprintk("dib8000_get_frontend : Layer %d Code Rate = 1/2 ", i); - break; - case 2: - fe->dtv_property_cache.layer[i].fec = FEC_2_3; - dprintk("dib8000_get_frontend : Layer %d Code Rate = 2/3 ", i); - break; - case 3: - fe->dtv_property_cache.layer[i].fec = FEC_3_4; - dprintk("dib8000_get_frontend : Layer %d Code Rate = 3/4 ", i); - break; - case 5: - fe->dtv_property_cache.layer[i].fec = FEC_5_6; - dprintk("dib8000_get_frontend : Layer %d Code Rate = 5/6 ", i); - break; - default: - fe->dtv_property_cache.layer[i].fec = FEC_7_8; - dprintk("dib8000_get_frontend : Layer %d Code Rate = 7/8 ", i); - break; - } - - val = dib8000_read_word(state, 487 + i); - switch (val & 0x3) { - case 0: - dprintk("dib8000_get_frontend : Layer %d DQPSK ", i); - fe->dtv_property_cache.layer[i].modulation = DQPSK; - break; - case 1: - fe->dtv_property_cache.layer[i].modulation = QPSK; - dprintk("dib8000_get_frontend : Layer %d QPSK ", i); - break; - case 2: - fe->dtv_property_cache.layer[i].modulation = QAM_16; - dprintk("dib8000_get_frontend : Layer %d QAM16 ", i); - break; - case 3: - default: - dprintk("dib8000_get_frontend : Layer %d QAM64 ", i); - fe->dtv_property_cache.layer[i].modulation = QAM_64; - break; - } - } - - /* synchronize the cache with the other frontends */ - for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) { - state->fe[index_frontend]->dtv_property_cache.isdbt_sb_mode = fe->dtv_property_cache.isdbt_sb_mode; - state->fe[index_frontend]->dtv_property_cache.inversion = fe->dtv_property_cache.inversion; - state->fe[index_frontend]->dtv_property_cache.transmission_mode = fe->dtv_property_cache.transmission_mode; - state->fe[index_frontend]->dtv_property_cache.guard_interval = fe->dtv_property_cache.guard_interval; - state->fe[index_frontend]->dtv_property_cache.isdbt_partial_reception = fe->dtv_property_cache.isdbt_partial_reception; - for (i = 0; i < 3; i++) { - state->fe[index_frontend]->dtv_property_cache.layer[i].segment_count = fe->dtv_property_cache.layer[i].segment_count; - state->fe[index_frontend]->dtv_property_cache.layer[i].interleaving = fe->dtv_property_cache.layer[i].interleaving; - state->fe[index_frontend]->dtv_property_cache.layer[i].fec = fe->dtv_property_cache.layer[i].fec; - state->fe[index_frontend]->dtv_property_cache.layer[i].modulation = fe->dtv_property_cache.layer[i].modulation; - } - } - return 0; -} - -static int dib8000_set_frontend(struct dvb_frontend *fe) -{ - struct dib8000_state *state = fe->demodulator_priv; - u8 nbr_pending, exit_condition, index_frontend; - s8 index_frontend_success = -1; - int time, ret; - int time_slave = FE_CALLBACK_TIME_NEVER; - - if (state->fe[0]->dtv_property_cache.frequency == 0) { - dprintk("dib8000: must at least specify frequency "); - return 0; - } - - if (state->fe[0]->dtv_property_cache.bandwidth_hz == 0) { - dprintk("dib8000: no bandwidth specified, set to default "); - state->fe[0]->dtv_property_cache.bandwidth_hz = 6000000; - } - - for (index_frontend = 0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) { - /* synchronization of the cache */ - state->fe[index_frontend]->dtv_property_cache.delivery_system = SYS_ISDBT; - memcpy(&state->fe[index_frontend]->dtv_property_cache, &fe->dtv_property_cache, sizeof(struct dtv_frontend_properties)); - - if (state->revision != 0x8090) - dib8000_set_output_mode(state->fe[index_frontend], - OUTMODE_HIGH_Z); - else - dib8096p_set_output_mode(state->fe[index_frontend], - OUTMODE_HIGH_Z); - if (state->fe[index_frontend]->ops.tuner_ops.set_params) - state->fe[index_frontend]->ops.tuner_ops.set_params(state->fe[index_frontend]); - - dib8000_set_tune_state(state->fe[index_frontend], CT_AGC_START); - } - - /* start up the AGC */ - do { - time = dib8000_agc_startup(state->fe[0]); - for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) { - time_slave = dib8000_agc_startup(state->fe[index_frontend]); - if (time == FE_CALLBACK_TIME_NEVER) - time = time_slave; - else if ((time_slave != FE_CALLBACK_TIME_NEVER) && (time_slave > time)) - time = time_slave; - } - if (time != FE_CALLBACK_TIME_NEVER) - msleep(time / 10); - else - break; - exit_condition = 1; - for (index_frontend = 0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) { - if (dib8000_get_tune_state(state->fe[index_frontend]) != CT_AGC_STOP) { - exit_condition = 0; - break; - } - } - } while (exit_condition == 0); - - for (index_frontend = 0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) - dib8000_set_tune_state(state->fe[index_frontend], CT_DEMOD_START); - - if ((state->fe[0]->dtv_property_cache.delivery_system != SYS_ISDBT) || - (state->fe[0]->dtv_property_cache.inversion == INVERSION_AUTO) || - (state->fe[0]->dtv_property_cache.transmission_mode == TRANSMISSION_MODE_AUTO) || - (state->fe[0]->dtv_property_cache.guard_interval == GUARD_INTERVAL_AUTO) || - (((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (1 << 0)) != 0) && - (state->fe[0]->dtv_property_cache.layer[0].segment_count != 0xff) && - (state->fe[0]->dtv_property_cache.layer[0].segment_count != 0) && - ((state->fe[0]->dtv_property_cache.layer[0].modulation == QAM_AUTO) || - (state->fe[0]->dtv_property_cache.layer[0].fec == FEC_AUTO))) || - (((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (1 << 1)) != 0) && - (state->fe[0]->dtv_property_cache.layer[1].segment_count != 0xff) && - (state->fe[0]->dtv_property_cache.layer[1].segment_count != 0) && - ((state->fe[0]->dtv_property_cache.layer[1].modulation == QAM_AUTO) || - (state->fe[0]->dtv_property_cache.layer[1].fec == FEC_AUTO))) || - (((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (1 << 2)) != 0) && - (state->fe[0]->dtv_property_cache.layer[2].segment_count != 0xff) && - (state->fe[0]->dtv_property_cache.layer[2].segment_count != 0) && - ((state->fe[0]->dtv_property_cache.layer[2].modulation == QAM_AUTO) || - (state->fe[0]->dtv_property_cache.layer[2].fec == FEC_AUTO))) || - (((state->fe[0]->dtv_property_cache.layer[0].segment_count == 0) || - ((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (1 << 0)) == 0)) && - ((state->fe[0]->dtv_property_cache.layer[1].segment_count == 0) || - ((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (2 << 0)) == 0)) && - ((state->fe[0]->dtv_property_cache.layer[2].segment_count == 0) || ((state->fe[0]->dtv_property_cache.isdbt_layer_enabled & (3 << 0)) == 0)))) { - int i = 100; - u8 found = 0; - u8 tune_failed = 0; - - for (index_frontend = 0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) { - dib8000_set_bandwidth(state->fe[index_frontend], fe->dtv_property_cache.bandwidth_hz / 1000); - dib8000_autosearch_start(state->fe[index_frontend]); - } - - do { - msleep(20); - nbr_pending = 0; - exit_condition = 0; /* 0: tune pending; 1: tune failed; 2:tune success */ - for (index_frontend = 0; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) { - if (((tune_failed >> index_frontend) & 0x1) == 0) { - found = dib8000_autosearch_irq(state->fe[index_frontend]); - switch (found) { - case 0: /* tune pending */ - nbr_pending++; - break; - case 2: - dprintk("autosearch succeed on the frontend%i", index_frontend); - exit_condition = 2; - index_frontend_success = index_frontend; - break; - default: - dprintk("unhandled autosearch result"); - case 1: - tune_failed |= (1 << index_frontend); - dprintk("autosearch failed for the frontend%i", index_frontend); - break; - } - } - } - - /* if all tune are done and no success, exit: tune failed */ - if ((nbr_pending == 0) && (exit_condition == 0)) - exit_condition = 1; - } while ((exit_condition == 0) && i--); - - if (exit_condition == 1) { /* tune failed */ - dprintk("tune failed"); - return 0; - } - - dprintk("tune success on frontend%i", index_frontend_success); - - dib8000_get_frontend(fe); - } - - for (index_frontend = 0, ret = 0; (ret >= 0) && (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) - ret = dib8000_tune(state->fe[index_frontend]); - - /* set output mode and diversity input */ - if (state->revision != 0x8090) { - dib8000_set_output_mode(state->fe[0], state->cfg.output_mode); - for (index_frontend = 1; - (index_frontend < MAX_NUMBER_OF_FRONTENDS) && - (state->fe[index_frontend] != NULL); - index_frontend++) { - dib8000_set_output_mode(state->fe[index_frontend], - OUTMODE_DIVERSITY); - dib8000_set_diversity_in(state->fe[index_frontend-1], 1); - } - - /* turn off the diversity of the last chip */ - dib8000_set_diversity_in(state->fe[index_frontend-1], 0); - } else { - dib8096p_set_output_mode(state->fe[0], state->cfg.output_mode); - if (state->cfg.enMpegOutput == 0) { - dib8096p_setDibTxMux(state, MPEG_ON_DIBTX); - dib8096p_setHostBusMux(state, DIBTX_ON_HOSTBUS); - } - for (index_frontend = 1; - (index_frontend < MAX_NUMBER_OF_FRONTENDS) && - (state->fe[index_frontend] != NULL); - index_frontend++) { - dib8096p_set_output_mode(state->fe[index_frontend], - OUTMODE_DIVERSITY); - dib8096p_set_diversity_in(state->fe[index_frontend-1], 1); - } - - /* turn off the diversity of the last chip */ - dib8096p_set_diversity_in(state->fe[index_frontend-1], 0); - } - - return ret; -} - -static u16 dib8000_read_lock(struct dvb_frontend *fe) -{ - struct dib8000_state *state = fe->demodulator_priv; - - if (state->revision == 0x8090) - return dib8000_read_word(state, 570); - return dib8000_read_word(state, 568); -} - -static int dib8000_read_status(struct dvb_frontend *fe, fe_status_t * stat) -{ - struct dib8000_state *state = fe->demodulator_priv; - u16 lock_slave = 0, lock; - u8 index_frontend; - - if (state->revision == 0x8090) - lock = dib8000_read_word(state, 570); - else - lock = dib8000_read_word(state, 568); - - for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) - lock_slave |= dib8000_read_lock(state->fe[index_frontend]); - - *stat = 0; - - if (((lock >> 13) & 1) || ((lock_slave >> 13) & 1)) - *stat |= FE_HAS_SIGNAL; - - if (((lock >> 8) & 1) || ((lock_slave >> 8) & 1)) /* Equal */ - *stat |= FE_HAS_CARRIER; - - if ((((lock >> 1) & 0xf) == 0xf) || (((lock_slave >> 1) & 0xf) == 0xf)) /* TMCC_SYNC */ - *stat |= FE_HAS_SYNC; - - if ((((lock >> 12) & 1) || ((lock_slave >> 12) & 1)) && ((lock >> 5) & 7)) /* FEC MPEG */ - *stat |= FE_HAS_LOCK; - - if (((lock >> 12) & 1) || ((lock_slave >> 12) & 1)) { - lock = dib8000_read_word(state, 554); /* Viterbi Layer A */ - if (lock & 0x01) - *stat |= FE_HAS_VITERBI; - - lock = dib8000_read_word(state, 555); /* Viterbi Layer B */ - if (lock & 0x01) - *stat |= FE_HAS_VITERBI; - - lock = dib8000_read_word(state, 556); /* Viterbi Layer C */ - if (lock & 0x01) - *stat |= FE_HAS_VITERBI; - } - - return 0; -} - -static int dib8000_read_ber(struct dvb_frontend *fe, u32 * ber) -{ - struct dib8000_state *state = fe->demodulator_priv; - - /* 13 segments */ - if (state->revision == 0x8090) - *ber = (dib8000_read_word(state, 562) << 16) | - dib8000_read_word(state, 563); - else - *ber = (dib8000_read_word(state, 560) << 16) | - dib8000_read_word(state, 561); - return 0; -} - -static int dib8000_read_unc_blocks(struct dvb_frontend *fe, u32 * unc) -{ - struct dib8000_state *state = fe->demodulator_priv; - - /* packet error on 13 seg */ - if (state->revision == 0x8090) - *unc = dib8000_read_word(state, 567); - else - *unc = dib8000_read_word(state, 565); - return 0; -} - -static int dib8000_read_signal_strength(struct dvb_frontend *fe, u16 * strength) -{ - struct dib8000_state *state = fe->demodulator_priv; - u8 index_frontend; - u16 val; - - *strength = 0; - for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) { - state->fe[index_frontend]->ops.read_signal_strength(state->fe[index_frontend], &val); - if (val > 65535 - *strength) - *strength = 65535; - else - *strength += val; - } - - val = 65535 - dib8000_read_word(state, 390); - if (val > 65535 - *strength) - *strength = 65535; - else - *strength += val; - return 0; -} - -static u32 dib8000_get_snr(struct dvb_frontend *fe) -{ - struct dib8000_state *state = fe->demodulator_priv; - u32 n, s, exp; - u16 val; - - if (state->revision != 0x8090) - val = dib8000_read_word(state, 542); - else - val = dib8000_read_word(state, 544); - n = (val >> 6) & 0xff; - exp = (val & 0x3f); - if ((exp & 0x20) != 0) - exp -= 0x40; - n <<= exp+16; - - if (state->revision != 0x8090) - val = dib8000_read_word(state, 543); - else - val = dib8000_read_word(state, 545); - s = (val >> 6) & 0xff; - exp = (val & 0x3f); - if ((exp & 0x20) != 0) - exp -= 0x40; - s <<= exp+16; - - if (n > 0) { - u32 t = (s/n) << 16; - return t + ((s << 16) - n*t) / n; - } - return 0xffffffff; -} - -static int dib8000_read_snr(struct dvb_frontend *fe, u16 * snr) -{ - struct dib8000_state *state = fe->demodulator_priv; - u8 index_frontend; - u32 snr_master; - - snr_master = dib8000_get_snr(fe); - for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL); index_frontend++) - snr_master += dib8000_get_snr(state->fe[index_frontend]); - - if ((snr_master >> 16) != 0) { - snr_master = 10*intlog10(snr_master>>16); - *snr = snr_master / ((1 << 24) / 10); - } - else - *snr = 0; - - return 0; -} - -int dib8000_set_slave_frontend(struct dvb_frontend *fe, struct dvb_frontend *fe_slave) -{ - struct dib8000_state *state = fe->demodulator_priv; - u8 index_frontend = 1; - - while ((index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL)) - index_frontend++; - if (index_frontend < MAX_NUMBER_OF_FRONTENDS) { - dprintk("set slave fe %p to index %i", fe_slave, index_frontend); - state->fe[index_frontend] = fe_slave; - return 0; - } - - dprintk("too many slave frontend"); - return -ENOMEM; -} -EXPORT_SYMBOL(dib8000_set_slave_frontend); - -int dib8000_remove_slave_frontend(struct dvb_frontend *fe) -{ - struct dib8000_state *state = fe->demodulator_priv; - u8 index_frontend = 1; - - while ((index_frontend < MAX_NUMBER_OF_FRONTENDS) && (state->fe[index_frontend] != NULL)) - index_frontend++; - if (index_frontend != 1) { - dprintk("remove slave fe %p (index %i)", state->fe[index_frontend-1], index_frontend-1); - state->fe[index_frontend] = NULL; - return 0; - } - - dprintk("no frontend to be removed"); - return -ENODEV; -} -EXPORT_SYMBOL(dib8000_remove_slave_frontend); - -struct dvb_frontend *dib8000_get_slave_frontend(struct dvb_frontend *fe, int slave_index) -{ - struct dib8000_state *state = fe->demodulator_priv; - - if (slave_index >= MAX_NUMBER_OF_FRONTENDS) - return NULL; - return state->fe[slave_index]; -} -EXPORT_SYMBOL(dib8000_get_slave_frontend); - - -int dib8000_i2c_enumeration(struct i2c_adapter *host, int no_of_demods, - u8 default_addr, u8 first_addr, u8 is_dib8096p) -{ - int k = 0, ret = 0; - u8 new_addr = 0; - struct i2c_device client = {.adap = host }; - - client.i2c_write_buffer = kzalloc(4 * sizeof(u8), GFP_KERNEL); - if (!client.i2c_write_buffer) { - dprintk("%s: not enough memory", __func__); - return -ENOMEM; - } - client.i2c_read_buffer = kzalloc(4 * sizeof(u8), GFP_KERNEL); - if (!client.i2c_read_buffer) { - dprintk("%s: not enough memory", __func__); - ret = -ENOMEM; - goto error_memory_read; - } - client.i2c_buffer_lock = kzalloc(sizeof(struct mutex), GFP_KERNEL); - if (!client.i2c_buffer_lock) { - dprintk("%s: not enough memory", __func__); - ret = -ENOMEM; - goto error_memory_lock; - } - mutex_init(client.i2c_buffer_lock); - - for (k = no_of_demods - 1; k >= 0; k--) { - /* designated i2c address */ - new_addr = first_addr + (k << 1); - - client.addr = new_addr; - if (!is_dib8096p) - dib8000_i2c_write16(&client, 1287, 0x0003); /* sram lead in, rdy */ - if (dib8000_identify(&client) == 0) { - /* sram lead in, rdy */ - if (!is_dib8096p) - dib8000_i2c_write16(&client, 1287, 0x0003); - client.addr = default_addr; - if (dib8000_identify(&client) == 0) { - dprintk("#%d: not identified", k); - ret = -EINVAL; - goto error; - } - } - - /* start diversity to pull_down div_str - just for i2c-enumeration */ - dib8000_i2c_write16(&client, 1286, (1 << 10) | (4 << 6)); - - /* set new i2c address and force divstart */ - dib8000_i2c_write16(&client, 1285, (new_addr << 2) | 0x2); - client.addr = new_addr; - dib8000_identify(&client); - - dprintk("IC %d initialized (to i2c_address 0x%x)", k, new_addr); - } - - for (k = 0; k < no_of_demods; k++) { - new_addr = first_addr | (k << 1); - client.addr = new_addr; - - // unforce divstr - dib8000_i2c_write16(&client, 1285, new_addr << 2); - - /* deactivate div - it was just for i2c-enumeration */ - dib8000_i2c_write16(&client, 1286, 0); - } - -error: - kfree(client.i2c_buffer_lock); -error_memory_lock: - kfree(client.i2c_read_buffer); -error_memory_read: - kfree(client.i2c_write_buffer); - - return ret; -} - -EXPORT_SYMBOL(dib8000_i2c_enumeration); -static int dib8000_fe_get_tune_settings(struct dvb_frontend *fe, struct dvb_frontend_tune_settings *tune) -{ - tune->min_delay_ms = 1000; - tune->step_size = 0; - tune->max_drift = 0; - return 0; -} - -static void dib8000_release(struct dvb_frontend *fe) -{ - struct dib8000_state *st = fe->demodulator_priv; - u8 index_frontend; - - for (index_frontend = 1; (index_frontend < MAX_NUMBER_OF_FRONTENDS) && (st->fe[index_frontend] != NULL); index_frontend++) - dvb_frontend_detach(st->fe[index_frontend]); - - dibx000_exit_i2c_master(&st->i2c_master); - i2c_del_adapter(&st->dib8096p_tuner_adap); - kfree(st->fe[0]); - kfree(st); -} - -struct i2c_adapter *dib8000_get_i2c_master(struct dvb_frontend *fe, enum dibx000_i2c_interface intf, int gating) -{ - struct dib8000_state *st = fe->demodulator_priv; - return dibx000_get_i2c_adapter(&st->i2c_master, intf, gating); -} - -EXPORT_SYMBOL(dib8000_get_i2c_master); - -int dib8000_pid_filter_ctrl(struct dvb_frontend *fe, u8 onoff) -{ - struct dib8000_state *st = fe->demodulator_priv; - u16 val = dib8000_read_word(st, 299) & 0xffef; - val |= (onoff & 0x1) << 4; - - dprintk("pid filter enabled %d", onoff); - return dib8000_write_word(st, 299, val); -} -EXPORT_SYMBOL(dib8000_pid_filter_ctrl); - -int dib8000_pid_filter(struct dvb_frontend *fe, u8 id, u16 pid, u8 onoff) -{ - struct dib8000_state *st = fe->demodulator_priv; - dprintk("Index %x, PID %d, OnOff %d", id, pid, onoff); - return dib8000_write_word(st, 305 + id, onoff ? (1 << 13) | pid : 0); -} -EXPORT_SYMBOL(dib8000_pid_filter); - -static const struct dvb_frontend_ops dib8000_ops = { - .delsys = { SYS_ISDBT }, - .info = { - .name = "DiBcom 8000 ISDB-T", - .frequency_min = 44250000, - .frequency_max = 867250000, - .frequency_stepsize = 62500, - .caps = FE_CAN_INVERSION_AUTO | - FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | - FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | - FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO | - FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_RECOVER | FE_CAN_HIERARCHY_AUTO, - }, - - .release = dib8000_release, - - .init = dib8000_wakeup, - .sleep = dib8000_sleep, - - .set_frontend = dib8000_set_frontend, - .get_tune_settings = dib8000_fe_get_tune_settings, - .get_frontend = dib8000_get_frontend, - - .read_status = dib8000_read_status, - .read_ber = dib8000_read_ber, - .read_signal_strength = dib8000_read_signal_strength, - .read_snr = dib8000_read_snr, - .read_ucblocks = dib8000_read_unc_blocks, -}; - -struct dvb_frontend *dib8000_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib8000_config *cfg) -{ - struct dvb_frontend *fe; - struct dib8000_state *state; - - dprintk("dib8000_attach"); - - state = kzalloc(sizeof(struct dib8000_state), GFP_KERNEL); - if (state == NULL) - return NULL; - fe = kzalloc(sizeof(struct dvb_frontend), GFP_KERNEL); - if (fe == NULL) - goto error; - - memcpy(&state->cfg, cfg, sizeof(struct dib8000_config)); - state->i2c.adap = i2c_adap; - state->i2c.addr = i2c_addr; - state->i2c.i2c_write_buffer = state->i2c_write_buffer; - state->i2c.i2c_read_buffer = state->i2c_read_buffer; - mutex_init(&state->i2c_buffer_lock); - state->i2c.i2c_buffer_lock = &state->i2c_buffer_lock; - state->gpio_val = cfg->gpio_val; - state->gpio_dir = cfg->gpio_dir; - - /* Ensure the output mode remains at the previous default if it's - * not specifically set by the caller. - */ - if ((state->cfg.output_mode != OUTMODE_MPEG2_SERIAL) && (state->cfg.output_mode != OUTMODE_MPEG2_PAR_GATED_CLK)) - state->cfg.output_mode = OUTMODE_MPEG2_FIFO; - - state->fe[0] = fe; - fe->demodulator_priv = state; - memcpy(&state->fe[0]->ops, &dib8000_ops, sizeof(struct dvb_frontend_ops)); - - state->timf_default = cfg->pll->timf; - - if (dib8000_identify(&state->i2c) == 0) - goto error; - - dibx000_init_i2c_master(&state->i2c_master, DIB8000, state->i2c.adap, state->i2c.addr); - - /* init 8096p tuner adapter */ - strncpy(state->dib8096p_tuner_adap.name, "DiB8096P tuner interface", - sizeof(state->dib8096p_tuner_adap.name)); - state->dib8096p_tuner_adap.algo = &dib8096p_tuner_xfer_algo; - state->dib8096p_tuner_adap.algo_data = NULL; - state->dib8096p_tuner_adap.dev.parent = state->i2c.adap->dev.parent; - i2c_set_adapdata(&state->dib8096p_tuner_adap, state); - i2c_add_adapter(&state->dib8096p_tuner_adap); - - dib8000_reset(fe); - - dib8000_write_word(state, 285, (dib8000_read_word(state, 285) & ~0x60) | (3 << 5)); /* ber_rs_len = 3 */ - - return fe; - - error: - kfree(state); - return NULL; -} - -EXPORT_SYMBOL(dib8000_attach); - -MODULE_AUTHOR("Olivier Grenie <Olivier.Grenie@dibcom.fr, " "Patrick Boettcher <pboettcher@dibcom.fr>"); -MODULE_DESCRIPTION("Driver for the DiBcom 8000 ISDB-T demodulator"); -MODULE_LICENSE("GPL"); |
