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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-08-14 02:13:41 (GMT)
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-14 02:13:41 (GMT)
commit9a0bf528b4d66b605f02634236da085595c22101 (patch)
treee9ff008ff15c3ee5add6d41173ee5e61939480dd /drivers/media/dvb/frontends/dib3000mc.c
parent3d6c2bc08ac4f75bf3597740357c98f2207ca412 (diff)
downloadlinux-fsl-qoriq-9a0bf528b4d66b605f02634236da085595c22101.tar.xz
[media] move the dvb/frontends to drivers/media/dvb-frontends
Raise the DVB frontends one level up, as the intention is to remove the drivers/media/dvb directory. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/dvb/frontends/dib3000mc.c')
-rw-r--r--drivers/media/dvb/frontends/dib3000mc.c940
1 files changed, 0 insertions, 940 deletions
diff --git a/drivers/media/dvb/frontends/dib3000mc.c b/drivers/media/dvb/frontends/dib3000mc.c
deleted file mode 100644
index ffad181..0000000
--- a/drivers/media/dvb/frontends/dib3000mc.c
+++ /dev/null
@@ -1,940 +0,0 @@
-/*
- * Driver for DiBcom DiB3000MC/P-demodulator.
- *
- * Copyright (C) 2004-7 DiBcom (http://www.dibcom.fr/)
- * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@desy.de)
- *
- * This code is partially based on the previous dib3000mc.c .
- *
- * 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 "dvb_frontend.h"
-
-#include "dib3000mc.h"
-
-static int debug;
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "turn on debugging (default: 0)");
-
-static int buggy_sfn_workaround;
-module_param(buggy_sfn_workaround, int, 0644);
-MODULE_PARM_DESC(buggy_sfn_workaround, "Enable work-around for buggy SFNs (default: 0)");
-
-#define dprintk(args...) do { if (debug) { printk(KERN_DEBUG "DiB3000MC/P:"); printk(args); printk("\n"); } } while (0)
-
-struct dib3000mc_state {
- struct dvb_frontend demod;
- struct dib3000mc_config *cfg;
-
- u8 i2c_addr;
- struct i2c_adapter *i2c_adap;
-
- struct dibx000_i2c_master i2c_master;
-
- u32 timf;
-
- u32 current_bandwidth;
-
- u16 dev_id;
-
- u8 sfn_workaround_active :1;
-};
-
-static u16 dib3000mc_read_word(struct dib3000mc_state *state, u16 reg)
-{
- u8 wb[2] = { (reg >> 8) | 0x80, reg & 0xff };
- u8 rb[2];
- struct i2c_msg msg[2] = {
- { .addr = state->i2c_addr >> 1, .flags = 0, .buf = wb, .len = 2 },
- { .addr = state->i2c_addr >> 1, .flags = I2C_M_RD, .buf = rb, .len = 2 },
- };
-
- if (i2c_transfer(state->i2c_adap, msg, 2) != 2)
- dprintk("i2c read error on %d\n",reg);
-
- return (rb[0] << 8) | rb[1];
-}
-
-static int dib3000mc_write_word(struct dib3000mc_state *state, u16 reg, u16 val)
-{
- u8 b[4] = {
- (reg >> 8) & 0xff, reg & 0xff,
- (val >> 8) & 0xff, val & 0xff,
- };
- struct i2c_msg msg = {
- .addr = state->i2c_addr >> 1, .flags = 0, .buf = b, .len = 4
- };
- return i2c_transfer(state->i2c_adap, &msg, 1) != 1 ? -EREMOTEIO : 0;
-}
-
-static int dib3000mc_identify(struct dib3000mc_state *state)
-{
- u16 value;
- if ((value = dib3000mc_read_word(state, 1025)) != 0x01b3) {
- dprintk("-E- DiB3000MC/P: wrong Vendor ID (read=0x%x)\n",value);
- return -EREMOTEIO;
- }
-
- value = dib3000mc_read_word(state, 1026);
- if (value != 0x3001 && value != 0x3002) {
- dprintk("-E- DiB3000MC/P: wrong Device ID (%x)\n",value);
- return -EREMOTEIO;
- }
- state->dev_id = value;
-
- dprintk("-I- found DiB3000MC/P: %x\n",state->dev_id);
-
- return 0;
-}
-
-static int dib3000mc_set_timing(struct dib3000mc_state *state, s16 nfft, u32 bw, u8 update_offset)
-{
- u32 timf;
-
- if (state->timf == 0) {
- timf = 1384402; // default value for 8MHz
- if (update_offset)
- msleep(200); // first time we do an update
- } else
- timf = state->timf;
-
- timf *= (bw / 1000);
-
- if (update_offset) {
- s16 tim_offs = dib3000mc_read_word(state, 416);
-
- if (tim_offs & 0x2000)
- tim_offs -= 0x4000;
-
- if (nfft == TRANSMISSION_MODE_2K)
- tim_offs *= 4;
-
- timf += tim_offs;
- state->timf = timf / (bw / 1000);
- }
-
- dprintk("timf: %d\n", timf);
-
- dib3000mc_write_word(state, 23, (u16) (timf >> 16));
- dib3000mc_write_word(state, 24, (u16) (timf ) & 0xffff);
-
- return 0;
-}
-
-static int dib3000mc_setup_pwm_state(struct dib3000mc_state *state)
-{
- u16 reg_51, reg_52 = state->cfg->agc->setup & 0xfefb;
- if (state->cfg->pwm3_inversion) {
- reg_51 = (2 << 14) | (0 << 10) | (7 << 6) | (2 << 2) | (2 << 0);
- reg_52 |= (1 << 2);
- } else {
- reg_51 = (2 << 14) | (4 << 10) | (7 << 6) | (2 << 2) | (2 << 0);
- reg_52 |= (1 << 8);
- }
- dib3000mc_write_word(state, 51, reg_51);
- dib3000mc_write_word(state, 52, reg_52);
-
- if (state->cfg->use_pwm3)
- dib3000mc_write_word(state, 245, (1 << 3) | (1 << 0));
- else
- dib3000mc_write_word(state, 245, 0);
-
- dib3000mc_write_word(state, 1040, 0x3);
- return 0;
-}
-
-static int dib3000mc_set_output_mode(struct dib3000mc_state *state, int mode)
-{
- int ret = 0;
- u16 fifo_threshold = 1792;
- u16 outreg = 0;
- u16 outmode = 0;
- u16 elecout = 1;
- u16 smo_reg = dib3000mc_read_word(state, 206) & 0x0010; /* keep the pid_parse bit */
-
- dprintk("-I- Setting output mode for demod %p to %d\n",
- &state->demod, mode);
-
- switch (mode) {
- case OUTMODE_HIGH_Z: // disable
- elecout = 0;
- break;
- case OUTMODE_MPEG2_PAR_GATED_CLK: // STBs with parallel gated clock
- outmode = 0;
- break;
- case OUTMODE_MPEG2_PAR_CONT_CLK: // STBs with parallel continues clock
- outmode = 1;
- break;
- case OUTMODE_MPEG2_SERIAL: // STBs with serial input
- outmode = 2;
- break;
- case OUTMODE_MPEG2_FIFO: // e.g. USB feeding
- elecout = 3;
- /*ADDR @ 206 :
- P_smo_error_discard [1;6:6] = 0
- P_smo_rs_discard [1;5:5] = 0
- P_smo_pid_parse [1;4:4] = 0
- P_smo_fifo_flush [1;3:3] = 0
- P_smo_mode [2;2:1] = 11
- P_smo_ovf_prot [1;0:0] = 0
- */
- smo_reg |= 3 << 1;
- fifo_threshold = 512;
- outmode = 5;
- break;
- case OUTMODE_DIVERSITY:
- outmode = 4;
- elecout = 1;
- break;
- default:
- dprintk("Unhandled output_mode passed to be set for demod %p\n",&state->demod);
- outmode = 0;
- break;
- }
-
- if ((state->cfg->output_mpeg2_in_188_bytes))
- smo_reg |= (1 << 5); // P_smo_rs_discard [1;5:5] = 1
-
- outreg = dib3000mc_read_word(state, 244) & 0x07FF;
- outreg |= (outmode << 11);
- ret |= dib3000mc_write_word(state, 244, outreg);
- ret |= dib3000mc_write_word(state, 206, smo_reg); /*smo_ mode*/
- ret |= dib3000mc_write_word(state, 207, fifo_threshold); /* synchronous fread */
- ret |= dib3000mc_write_word(state, 1040, elecout); /* P_out_cfg */
- return ret;
-}
-
-static int dib3000mc_set_bandwidth(struct dib3000mc_state *state, u32 bw)
-{
- u16 bw_cfg[6] = { 0 };
- u16 imp_bw_cfg[3] = { 0 };
- u16 reg;
-
-/* settings here are for 27.7MHz */
- switch (bw) {
- case 8000:
- bw_cfg[0] = 0x0019; bw_cfg[1] = 0x5c30; bw_cfg[2] = 0x0054; bw_cfg[3] = 0x88a0; bw_cfg[4] = 0x01a6; bw_cfg[5] = 0xab20;
- imp_bw_cfg[0] = 0x04db; imp_bw_cfg[1] = 0x00db; imp_bw_cfg[2] = 0x00b7;
- break;
-
- case 7000:
- bw_cfg[0] = 0x001c; bw_cfg[1] = 0xfba5; bw_cfg[2] = 0x0060; bw_cfg[3] = 0x9c25; bw_cfg[4] = 0x01e3; bw_cfg[5] = 0x0cb7;
- imp_bw_cfg[0] = 0x04c0; imp_bw_cfg[1] = 0x00c0; imp_bw_cfg[2] = 0x00a0;
- break;
-
- case 6000:
- bw_cfg[0] = 0x0021; bw_cfg[1] = 0xd040; bw_cfg[2] = 0x0070; bw_cfg[3] = 0xb62b; bw_cfg[4] = 0x0233; bw_cfg[5] = 0x8ed5;
- imp_bw_cfg[0] = 0x04a5; imp_bw_cfg[1] = 0x00a5; imp_bw_cfg[2] = 0x0089;
- break;
-
- case 5000:
- bw_cfg[0] = 0x0028; bw_cfg[1] = 0x9380; bw_cfg[2] = 0x0087; bw_cfg[3] = 0x4100; bw_cfg[4] = 0x02a4; bw_cfg[5] = 0x4500;
- imp_bw_cfg[0] = 0x0489; imp_bw_cfg[1] = 0x0089; imp_bw_cfg[2] = 0x0072;
- break;
-
- default: return -EINVAL;
- }
-
- for (reg = 6; reg < 12; reg++)
- dib3000mc_write_word(state, reg, bw_cfg[reg - 6]);
- dib3000mc_write_word(state, 12, 0x0000);
- dib3000mc_write_word(state, 13, 0x03e8);
- dib3000mc_write_word(state, 14, 0x0000);
- dib3000mc_write_word(state, 15, 0x03f2);
- dib3000mc_write_word(state, 16, 0x0001);
- dib3000mc_write_word(state, 17, 0xb0d0);
- // P_sec_len
- dib3000mc_write_word(state, 18, 0x0393);
- dib3000mc_write_word(state, 19, 0x8700);
-
- for (reg = 55; reg < 58; reg++)
- dib3000mc_write_word(state, reg, imp_bw_cfg[reg - 55]);
-
- // Timing configuration
- dib3000mc_set_timing(state, TRANSMISSION_MODE_2K, bw, 0);
-
- return 0;
-}
-
-static u16 impulse_noise_val[29] =
-
-{
- 0x38, 0x6d9, 0x3f28, 0x7a7, 0x3a74, 0x196, 0x32a, 0x48c, 0x3ffe, 0x7f3,
- 0x2d94, 0x76, 0x53d, 0x3ff8, 0x7e3, 0x3320, 0x76, 0x5b3, 0x3feb, 0x7d2,
- 0x365e, 0x76, 0x48c, 0x3ffe, 0x5b3, 0x3feb, 0x76, 0x0000, 0xd
-};
-
-static void dib3000mc_set_impulse_noise(struct dib3000mc_state *state, u8 mode, s16 nfft)
-{
- u16 i;
- for (i = 58; i < 87; i++)
- dib3000mc_write_word(state, i, impulse_noise_val[i-58]);
-
- if (nfft == TRANSMISSION_MODE_8K) {
- dib3000mc_write_word(state, 58, 0x3b);
- dib3000mc_write_word(state, 84, 0x00);
- dib3000mc_write_word(state, 85, 0x8200);
- }
-
- dib3000mc_write_word(state, 34, 0x1294);
- dib3000mc_write_word(state, 35, 0x1ff8);
- if (mode == 1)
- dib3000mc_write_word(state, 55, dib3000mc_read_word(state, 55) | (1 << 10));
-}
-
-static int dib3000mc_init(struct dvb_frontend *demod)
-{
- struct dib3000mc_state *state = demod->demodulator_priv;
- struct dibx000_agc_config *agc = state->cfg->agc;
-
- // Restart Configuration
- dib3000mc_write_word(state, 1027, 0x8000);
- dib3000mc_write_word(state, 1027, 0x0000);
-
- // power up the demod + mobility configuration
- dib3000mc_write_word(state, 140, 0x0000);
- dib3000mc_write_word(state, 1031, 0);
-
- if (state->cfg->mobile_mode) {
- dib3000mc_write_word(state, 139, 0x0000);
- dib3000mc_write_word(state, 141, 0x0000);
- dib3000mc_write_word(state, 175, 0x0002);
- dib3000mc_write_word(state, 1032, 0x0000);
- } else {
- dib3000mc_write_word(state, 139, 0x0001);
- dib3000mc_write_word(state, 141, 0x0000);
- dib3000mc_write_word(state, 175, 0x0000);
- dib3000mc_write_word(state, 1032, 0x012C);
- }
- dib3000mc_write_word(state, 1033, 0x0000);
-
- // P_clk_cfg
- dib3000mc_write_word(state, 1037, 0x3130);
-
- // other configurations
-
- // P_ctrl_sfreq
- dib3000mc_write_word(state, 33, (5 << 0));
- dib3000mc_write_word(state, 88, (1 << 10) | (0x10 << 0));
-
- // Phase noise control
- // P_fft_phacor_inh, P_fft_phacor_cpe, P_fft_powrange
- dib3000mc_write_word(state, 99, (1 << 9) | (0x20 << 0));
-
- if (state->cfg->phase_noise_mode == 0)
- dib3000mc_write_word(state, 111, 0x00);
- else
- dib3000mc_write_word(state, 111, 0x02);
-
- // P_agc_global
- dib3000mc_write_word(state, 50, 0x8000);
-
- // agc setup misc
- dib3000mc_setup_pwm_state(state);
-
- // P_agc_counter_lock
- dib3000mc_write_word(state, 53, 0x87);
- // P_agc_counter_unlock
- dib3000mc_write_word(state, 54, 0x87);
-
- /* agc */
- dib3000mc_write_word(state, 36, state->cfg->max_time);
- dib3000mc_write_word(state, 37, (state->cfg->agc_command1 << 13) | (state->cfg->agc_command2 << 12) | (0x1d << 0));
- dib3000mc_write_word(state, 38, state->cfg->pwm3_value);
- dib3000mc_write_word(state, 39, state->cfg->ln_adc_level);
-
- // set_agc_loop_Bw
- dib3000mc_write_word(state, 40, 0x0179);
- dib3000mc_write_word(state, 41, 0x03f0);
-
- dib3000mc_write_word(state, 42, agc->agc1_max);
- dib3000mc_write_word(state, 43, agc->agc1_min);
- dib3000mc_write_word(state, 44, agc->agc2_max);
- dib3000mc_write_word(state, 45, agc->agc2_min);
- dib3000mc_write_word(state, 46, (agc->agc1_pt1 << 8) | agc->agc1_pt2);
- dib3000mc_write_word(state, 47, (agc->agc1_slope1 << 8) | agc->agc1_slope2);
- dib3000mc_write_word(state, 48, (agc->agc2_pt1 << 8) | agc->agc2_pt2);
- dib3000mc_write_word(state, 49, (agc->agc2_slope1 << 8) | agc->agc2_slope2);
-
-// Begin: TimeOut registers
- // P_pha3_thres
- dib3000mc_write_word(state, 110, 3277);
- // P_timf_alpha = 6, P_corm_alpha = 6, P_corm_thres = 0x80
- dib3000mc_write_word(state, 26, 0x6680);
- // lock_mask0
- dib3000mc_write_word(state, 1, 4);
- // lock_mask1
- dib3000mc_write_word(state, 2, 4);
- // lock_mask2
- dib3000mc_write_word(state, 3, 0x1000);
- // P_search_maxtrial=1
- dib3000mc_write_word(state, 5, 1);
-
- dib3000mc_set_bandwidth(state, 8000);
-
- // div_lock_mask
- dib3000mc_write_word(state, 4, 0x814);
-
- dib3000mc_write_word(state, 21, (1 << 9) | 0x164);
- dib3000mc_write_word(state, 22, 0x463d);
-
- // Spurious rm cfg
- // P_cspu_regul, P_cspu_win_cut
- dib3000mc_write_word(state, 120, 0x200f);
- // P_adp_selec_monit
- dib3000mc_write_word(state, 134, 0);
-
- // Fec cfg
- dib3000mc_write_word(state, 195, 0x10);
-
- // diversity register: P_dvsy_sync_wait..
- dib3000mc_write_word(state, 180, 0x2FF0);
-
- // Impulse noise configuration
- dib3000mc_set_impulse_noise(state, 0, TRANSMISSION_MODE_8K);
-
- // output mode set-up
- dib3000mc_set_output_mode(state, OUTMODE_HIGH_Z);
-
- /* close the i2c-gate */
- dib3000mc_write_word(state, 769, (1 << 7) );
-
- return 0;
-}
-
-static int dib3000mc_sleep(struct dvb_frontend *demod)
-{
- struct dib3000mc_state *state = demod->demodulator_priv;
-
- dib3000mc_write_word(state, 1031, 0xFFFF);
- dib3000mc_write_word(state, 1032, 0xFFFF);
- dib3000mc_write_word(state, 1033, 0xFFF0);
-
- return 0;
-}
-
-static void dib3000mc_set_adp_cfg(struct dib3000mc_state *state, s16 qam)
-{
- u16 cfg[4] = { 0 },reg;
- switch (qam) {
- case QPSK:
- cfg[0] = 0x099a; cfg[1] = 0x7fae; cfg[2] = 0x0333; cfg[3] = 0x7ff0;
- break;
- case QAM_16:
- cfg[0] = 0x023d; cfg[1] = 0x7fdf; cfg[2] = 0x00a4; cfg[3] = 0x7ff0;
- break;
- case QAM_64:
- cfg[0] = 0x0148; cfg[1] = 0x7ff0; cfg[2] = 0x00a4; cfg[3] = 0x7ff8;
- break;
- }
- for (reg = 129; reg < 133; reg++)
- dib3000mc_write_word(state, reg, cfg[reg - 129]);
-}
-
-static void dib3000mc_set_channel_cfg(struct dib3000mc_state *state,
- struct dtv_frontend_properties *ch, u16 seq)
-{
- u16 value;
- u32 bw = BANDWIDTH_TO_KHZ(ch->bandwidth_hz);
-
- dib3000mc_set_bandwidth(state, bw);
- dib3000mc_set_timing(state, ch->transmission_mode, bw, 0);
-
-// if (boost)
-// dib3000mc_write_word(state, 100, (11 << 6) + 6);
-// else
- dib3000mc_write_word(state, 100, (16 << 6) + 9);
-
- dib3000mc_write_word(state, 1027, 0x0800);
- dib3000mc_write_word(state, 1027, 0x0000);
-
- //Default cfg isi offset adp
- dib3000mc_write_word(state, 26, 0x6680);
- dib3000mc_write_word(state, 29, 0x1273);
- dib3000mc_write_word(state, 33, 5);
- dib3000mc_set_adp_cfg(state, QAM_16);
- dib3000mc_write_word(state, 133, 15564);
-
- dib3000mc_write_word(state, 12 , 0x0);
- dib3000mc_write_word(state, 13 , 0x3e8);
- dib3000mc_write_word(state, 14 , 0x0);
- dib3000mc_write_word(state, 15 , 0x3f2);
-
- dib3000mc_write_word(state, 93,0);
- dib3000mc_write_word(state, 94,0);
- dib3000mc_write_word(state, 95,0);
- dib3000mc_write_word(state, 96,0);
- dib3000mc_write_word(state, 97,0);
- dib3000mc_write_word(state, 98,0);
-
- dib3000mc_set_impulse_noise(state, 0, ch->transmission_mode);
-
- value = 0;
- switch (ch->transmission_mode) {
- case TRANSMISSION_MODE_2K: value |= (0 << 7); break;
- default:
- case TRANSMISSION_MODE_8K: value |= (1 << 7); break;
- }
- switch (ch->guard_interval) {
- case GUARD_INTERVAL_1_32: value |= (0 << 5); break;
- case GUARD_INTERVAL_1_16: value |= (1 << 5); break;
- case GUARD_INTERVAL_1_4: value |= (3 << 5); break;
- default:
- case GUARD_INTERVAL_1_8: value |= (2 << 5); break;
- }
- switch (ch->modulation) {
- case QPSK: value |= (0 << 3); break;
- case QAM_16: value |= (1 << 3); break;
- default:
- case QAM_64: value |= (2 << 3); break;
- }
- switch (HIERARCHY_1) {
- case HIERARCHY_2: value |= 2; break;
- case HIERARCHY_4: value |= 4; break;
- default:
- case HIERARCHY_1: value |= 1; break;
- }
- dib3000mc_write_word(state, 0, value);
- dib3000mc_write_word(state, 5, (1 << 8) | ((seq & 0xf) << 4));
-
- value = 0;
- if (ch->hierarchy == 1)
- value |= (1 << 4);
- if (1 == 1)
- value |= 1;
- switch ((ch->hierarchy == 0 || 1 == 1) ? ch->code_rate_HP : ch->code_rate_LP) {
- case FEC_2_3: value |= (2 << 1); break;
- case FEC_3_4: value |= (3 << 1); break;
- case FEC_5_6: value |= (5 << 1); break;
- case FEC_7_8: value |= (7 << 1); break;
- default:
- case FEC_1_2: value |= (1 << 1); break;
- }
- dib3000mc_write_word(state, 181, value);
-
- // diversity synchro delay add 50% SFN margin
- switch (ch->transmission_mode) {
- case TRANSMISSION_MODE_8K: value = 256; break;
- case TRANSMISSION_MODE_2K:
- default: value = 64; break;
- }
- switch (ch->guard_interval) {
- case GUARD_INTERVAL_1_16: value *= 2; break;
- case GUARD_INTERVAL_1_8: value *= 4; break;
- case GUARD_INTERVAL_1_4: value *= 8; break;
- default:
- case GUARD_INTERVAL_1_32: value *= 1; break;
- }
- value <<= 4;
- value |= dib3000mc_read_word(state, 180) & 0x000f;
- dib3000mc_write_word(state, 180, value);
-
- // restart demod
- value = dib3000mc_read_word(state, 0);
- dib3000mc_write_word(state, 0, value | (1 << 9));
- dib3000mc_write_word(state, 0, value);
-
- msleep(30);
-
- dib3000mc_set_impulse_noise(state, state->cfg->impulse_noise_mode, ch->transmission_mode);
-}
-
-static int dib3000mc_autosearch_start(struct dvb_frontend *demod)
-{
- struct dtv_frontend_properties *chan = &demod->dtv_property_cache;
- struct dib3000mc_state *state = demod->demodulator_priv;
- u16 reg;
-// u32 val;
- struct dtv_frontend_properties schan;
-
- schan = *chan;
-
- /* TODO what is that ? */
-
- /* a channel for autosearch */
- schan.transmission_mode = TRANSMISSION_MODE_8K;
- schan.guard_interval = GUARD_INTERVAL_1_32;
- schan.modulation = QAM_64;
- schan.code_rate_HP = FEC_2_3;
- schan.code_rate_LP = FEC_2_3;
- schan.hierarchy = 0;
-
- dib3000mc_set_channel_cfg(state, &schan, 11);
-
- reg = dib3000mc_read_word(state, 0);
- dib3000mc_write_word(state, 0, reg | (1 << 8));
- dib3000mc_read_word(state, 511);
- dib3000mc_write_word(state, 0, reg);
-
- return 0;
-}
-
-static int dib3000mc_autosearch_is_irq(struct dvb_frontend *demod)
-{
- struct dib3000mc_state *state = demod->demodulator_priv;
- u16 irq_pending = dib3000mc_read_word(state, 511);
-
- if (irq_pending & 0x1) // failed
- return 1;
-
- if (irq_pending & 0x2) // succeeded
- return 2;
-
- return 0; // still pending
-}
-
-static int dib3000mc_tune(struct dvb_frontend *demod)
-{
- struct dtv_frontend_properties *ch = &demod->dtv_property_cache;
- struct dib3000mc_state *state = demod->demodulator_priv;
-
- // ** configure demod **
- dib3000mc_set_channel_cfg(state, ch, 0);
-
- // activates isi
- if (state->sfn_workaround_active) {
- dprintk("SFN workaround is active\n");
- dib3000mc_write_word(state, 29, 0x1273);
- dib3000mc_write_word(state, 108, 0x4000); // P_pha3_force_pha_shift
- } else {
- dib3000mc_write_word(state, 29, 0x1073);
- dib3000mc_write_word(state, 108, 0x0000); // P_pha3_force_pha_shift
- }
-
- dib3000mc_set_adp_cfg(state, (u8)ch->modulation);
- if (ch->transmission_mode == TRANSMISSION_MODE_8K) {
- dib3000mc_write_word(state, 26, 38528);
- dib3000mc_write_word(state, 33, 8);
- } else {
- dib3000mc_write_word(state, 26, 30336);
- dib3000mc_write_word(state, 33, 6);
- }
-
- if (dib3000mc_read_word(state, 509) & 0x80)
- dib3000mc_set_timing(state, ch->transmission_mode,
- BANDWIDTH_TO_KHZ(ch->bandwidth_hz), 1);
-
- return 0;
-}
-
-struct i2c_adapter * dib3000mc_get_tuner_i2c_master(struct dvb_frontend *demod, int gating)
-{
- struct dib3000mc_state *st = demod->demodulator_priv;
- return dibx000_get_i2c_adapter(&st->i2c_master, DIBX000_I2C_INTERFACE_TUNER, gating);
-}
-
-EXPORT_SYMBOL(dib3000mc_get_tuner_i2c_master);
-
-static int dib3000mc_get_frontend(struct dvb_frontend* fe)
-{
- struct dtv_frontend_properties *fep = &fe->dtv_property_cache;
- struct dib3000mc_state *state = fe->demodulator_priv;
- u16 tps = dib3000mc_read_word(state,458);
-
- fep->inversion = INVERSION_AUTO;
-
- fep->bandwidth_hz = state->current_bandwidth;
-
- switch ((tps >> 8) & 0x1) {
- case 0: fep->transmission_mode = TRANSMISSION_MODE_2K; break;
- case 1: fep->transmission_mode = TRANSMISSION_MODE_8K; break;
- }
-
- switch (tps & 0x3) {
- case 0: fep->guard_interval = GUARD_INTERVAL_1_32; break;
- case 1: fep->guard_interval = GUARD_INTERVAL_1_16; break;
- case 2: fep->guard_interval = GUARD_INTERVAL_1_8; break;
- case 3: fep->guard_interval = GUARD_INTERVAL_1_4; break;
- }
-
- switch ((tps >> 13) & 0x3) {
- case 0: fep->modulation = QPSK; break;
- case 1: fep->modulation = QAM_16; break;
- case 2:
- default: fep->modulation = QAM_64; break;
- }
-
- /* as long as the frontend_param structure is fixed for hierarchical transmission I refuse to use it */
- /* (tps >> 12) & 0x1 == hrch is used, (tps >> 9) & 0x7 == alpha */
-
- fep->hierarchy = HIERARCHY_NONE;
- switch ((tps >> 5) & 0x7) {
- case 1: fep->code_rate_HP = FEC_1_2; break;
- case 2: fep->code_rate_HP = FEC_2_3; break;
- case 3: fep->code_rate_HP = FEC_3_4; break;
- case 5: fep->code_rate_HP = FEC_5_6; break;
- case 7:
- default: fep->code_rate_HP = FEC_7_8; break;
-
- }
-
- switch ((tps >> 2) & 0x7) {
- case 1: fep->code_rate_LP = FEC_1_2; break;
- case 2: fep->code_rate_LP = FEC_2_3; break;
- case 3: fep->code_rate_LP = FEC_3_4; break;
- case 5: fep->code_rate_LP = FEC_5_6; break;
- case 7:
- default: fep->code_rate_LP = FEC_7_8; break;
- }
-
- return 0;
-}
-
-static int dib3000mc_set_frontend(struct dvb_frontend *fe)
-{
- struct dtv_frontend_properties *fep = &fe->dtv_property_cache;
- struct dib3000mc_state *state = fe->demodulator_priv;
- int ret;
-
- dib3000mc_set_output_mode(state, OUTMODE_HIGH_Z);
-
- state->current_bandwidth = fep->bandwidth_hz;
- dib3000mc_set_bandwidth(state, BANDWIDTH_TO_KHZ(fep->bandwidth_hz));
-
- /* maybe the parameter has been changed */
- state->sfn_workaround_active = buggy_sfn_workaround;
-
- if (fe->ops.tuner_ops.set_params) {
- fe->ops.tuner_ops.set_params(fe);
- msleep(100);
- }
-
- if (fep->transmission_mode == TRANSMISSION_MODE_AUTO ||
- fep->guard_interval == GUARD_INTERVAL_AUTO ||
- fep->modulation == QAM_AUTO ||
- fep->code_rate_HP == FEC_AUTO) {
- int i = 1000, found;
-
- dib3000mc_autosearch_start(fe);
- do {
- msleep(1);
- found = dib3000mc_autosearch_is_irq(fe);
- } while (found == 0 && i--);
-
- dprintk("autosearch returns: %d\n",found);
- if (found == 0 || found == 1)
- return 0; // no channel found
-
- dib3000mc_get_frontend(fe);
- }
-
- ret = dib3000mc_tune(fe);
-
- /* make this a config parameter */
- dib3000mc_set_output_mode(state, OUTMODE_MPEG2_FIFO);
- return ret;
-}
-
-static int dib3000mc_read_status(struct dvb_frontend *fe, fe_status_t *stat)
-{
- struct dib3000mc_state *state = fe->demodulator_priv;
- u16 lock = dib3000mc_read_word(state, 509);
-
- *stat = 0;
-
- if (lock & 0x8000)
- *stat |= FE_HAS_SIGNAL;
- if (lock & 0x3000)
- *stat |= FE_HAS_CARRIER;
- if (lock & 0x0100)
- *stat |= FE_HAS_VITERBI;
- if (lock & 0x0010)
- *stat |= FE_HAS_SYNC;
- if (lock & 0x0008)
- *stat |= FE_HAS_LOCK;
-
- return 0;
-}
-
-static int dib3000mc_read_ber(struct dvb_frontend *fe, u32 *ber)
-{
- struct dib3000mc_state *state = fe->demodulator_priv;
- *ber = (dib3000mc_read_word(state, 500) << 16) | dib3000mc_read_word(state, 501);
- return 0;
-}
-
-static int dib3000mc_read_unc_blocks(struct dvb_frontend *fe, u32 *unc)
-{
- struct dib3000mc_state *state = fe->demodulator_priv;
- *unc = dib3000mc_read_word(state, 508);
- return 0;
-}
-
-static int dib3000mc_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
-{
- struct dib3000mc_state *state = fe->demodulator_priv;
- u16 val = dib3000mc_read_word(state, 392);
- *strength = 65535 - val;
- return 0;
-}
-
-static int dib3000mc_read_snr(struct dvb_frontend* fe, u16 *snr)
-{
- *snr = 0x0000;
- return 0;
-}
-
-static int dib3000mc_fe_get_tune_settings(struct dvb_frontend* fe, struct dvb_frontend_tune_settings *tune)
-{
- tune->min_delay_ms = 1000;
- return 0;
-}
-
-static void dib3000mc_release(struct dvb_frontend *fe)
-{
- struct dib3000mc_state *state = fe->demodulator_priv;
- dibx000_exit_i2c_master(&state->i2c_master);
- kfree(state);
-}
-
-int dib3000mc_pid_control(struct dvb_frontend *fe, int index, int pid,int onoff)
-{
- struct dib3000mc_state *state = fe->demodulator_priv;
- dib3000mc_write_word(state, 212 + index, onoff ? (1 << 13) | pid : 0);
- return 0;
-}
-EXPORT_SYMBOL(dib3000mc_pid_control);
-
-int dib3000mc_pid_parse(struct dvb_frontend *fe, int onoff)
-{
- struct dib3000mc_state *state = fe->demodulator_priv;
- u16 tmp = dib3000mc_read_word(state, 206) & ~(1 << 4);
- tmp |= (onoff << 4);
- return dib3000mc_write_word(state, 206, tmp);
-}
-EXPORT_SYMBOL(dib3000mc_pid_parse);
-
-void dib3000mc_set_config(struct dvb_frontend *fe, struct dib3000mc_config *cfg)
-{
- struct dib3000mc_state *state = fe->demodulator_priv;
- state->cfg = cfg;
-}
-EXPORT_SYMBOL(dib3000mc_set_config);
-
-int dib3000mc_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 default_addr, struct dib3000mc_config cfg[])
-{
- struct dib3000mc_state *dmcst;
- int k;
- u8 new_addr;
-
- static u8 DIB3000MC_I2C_ADDRESS[] = {20,22,24,26};
-
- dmcst = kzalloc(sizeof(struct dib3000mc_state), GFP_KERNEL);
- if (dmcst == NULL)
- return -ENOMEM;
-
- dmcst->i2c_adap = i2c;
-
- for (k = no_of_demods-1; k >= 0; k--) {
- dmcst->cfg = &cfg[k];
-
- /* designated i2c address */
- new_addr = DIB3000MC_I2C_ADDRESS[k];
- dmcst->i2c_addr = new_addr;
- if (dib3000mc_identify(dmcst) != 0) {
- dmcst->i2c_addr = default_addr;
- if (dib3000mc_identify(dmcst) != 0) {
- dprintk("-E- DiB3000P/MC #%d: not identified\n", k);
- kfree(dmcst);
- return -ENODEV;
- }
- }
-
- dib3000mc_set_output_mode(dmcst, OUTMODE_MPEG2_PAR_CONT_CLK);
-
- // set new i2c address and force divstr (Bit 1) to value 0 (Bit 0)
- dib3000mc_write_word(dmcst, 1024, (new_addr << 3) | 0x1);
- dmcst->i2c_addr = new_addr;
- }
-
- for (k = 0; k < no_of_demods; k++) {
- dmcst->cfg = &cfg[k];
- dmcst->i2c_addr = DIB3000MC_I2C_ADDRESS[k];
-
- dib3000mc_write_word(dmcst, 1024, dmcst->i2c_addr << 3);
-
- /* turn off data output */
- dib3000mc_set_output_mode(dmcst, OUTMODE_HIGH_Z);
- }
-
- kfree(dmcst);
- return 0;
-}
-EXPORT_SYMBOL(dib3000mc_i2c_enumeration);
-
-static struct dvb_frontend_ops dib3000mc_ops;
-
-struct dvb_frontend * dib3000mc_attach(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib3000mc_config *cfg)
-{
- struct dvb_frontend *demod;
- struct dib3000mc_state *st;
- st = kzalloc(sizeof(struct dib3000mc_state), GFP_KERNEL);
- if (st == NULL)
- return NULL;
-
- st->cfg = cfg;
- st->i2c_adap = i2c_adap;
- st->i2c_addr = i2c_addr;
-
- demod = &st->demod;
- demod->demodulator_priv = st;
- memcpy(&st->demod.ops, &dib3000mc_ops, sizeof(struct dvb_frontend_ops));
-
- if (dib3000mc_identify(st) != 0)
- goto error;
-
- dibx000_init_i2c_master(&st->i2c_master, DIB3000MC, st->i2c_adap, st->i2c_addr);
-
- dib3000mc_write_word(st, 1037, 0x3130);
-
- return demod;
-
-error:
- kfree(st);
- return NULL;
-}
-EXPORT_SYMBOL(dib3000mc_attach);
-
-static struct dvb_frontend_ops dib3000mc_ops = {
- .delsys = { SYS_DVBT },
- .info = {
- .name = "DiBcom 3000MC/P",
- .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 = dib3000mc_release,
-
- .init = dib3000mc_init,
- .sleep = dib3000mc_sleep,
-
- .set_frontend = dib3000mc_set_frontend,
- .get_tune_settings = dib3000mc_fe_get_tune_settings,
- .get_frontend = dib3000mc_get_frontend,
-
- .read_status = dib3000mc_read_status,
- .read_ber = dib3000mc_read_ber,
- .read_signal_strength = dib3000mc_read_signal_strength,
- .read_snr = dib3000mc_read_snr,
- .read_ucblocks = dib3000mc_read_unc_blocks,
-};
-
-MODULE_AUTHOR("Patrick Boettcher <pboettcher@dibcom.fr>");
-MODULE_DESCRIPTION("Driver for the DiBcom 3000MC/P COFDM demodulator");
-MODULE_LICENSE("GPL");