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path: root/drivers/media/dvb-frontends/dib8000.c
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-rw-r--r--drivers/media/dvb-frontends/dib8000.c3560
1 files changed, 3560 insertions, 0 deletions
diff --git a/drivers/media/dvb-frontends/dib8000.c b/drivers/media/dvb-frontends/dib8000.c
new file mode 100644
index 000000000000..1f3bcb5a1de8
--- /dev/null
+++ b/drivers/media/dvb-frontends/dib8000.c
@@ -0,0 +1,3560 @@
+/*
+ * 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");