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Diffstat (limited to 'drivers/media/common/tuners/tda18271-common.c')
-rw-r--r--drivers/media/common/tuners/tda18271-common.c703
1 files changed, 0 insertions, 703 deletions
diff --git a/drivers/media/common/tuners/tda18271-common.c b/drivers/media/common/tuners/tda18271-common.c
deleted file mode 100644
index 39c645787b62..000000000000
--- a/drivers/media/common/tuners/tda18271-common.c
+++ /dev/null
@@ -1,703 +0,0 @@
-/*
- tda18271-common.c - driver for the Philips / NXP TDA18271 silicon tuner
-
- Copyright (C) 2007, 2008 Michael Krufky <mkrufky@linuxtv.org>
-
- 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; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-#include "tda18271-priv.h"
-
-static int tda18271_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
-{
- struct tda18271_priv *priv = fe->tuner_priv;
- enum tda18271_i2c_gate gate;
- int ret = 0;
-
- switch (priv->gate) {
- case TDA18271_GATE_DIGITAL:
- case TDA18271_GATE_ANALOG:
- gate = priv->gate;
- break;
- case TDA18271_GATE_AUTO:
- default:
- switch (priv->mode) {
- case TDA18271_DIGITAL:
- gate = TDA18271_GATE_DIGITAL;
- break;
- case TDA18271_ANALOG:
- default:
- gate = TDA18271_GATE_ANALOG;
- break;
- }
- }
-
- switch (gate) {
- case TDA18271_GATE_ANALOG:
- if (fe->ops.analog_ops.i2c_gate_ctrl)
- ret = fe->ops.analog_ops.i2c_gate_ctrl(fe, enable);
- break;
- case TDA18271_GATE_DIGITAL:
- if (fe->ops.i2c_gate_ctrl)
- ret = fe->ops.i2c_gate_ctrl(fe, enable);
- break;
- default:
- ret = -EINVAL;
- break;
- }
-
- return ret;
-};
-
-/*---------------------------------------------------------------------*/
-
-static void tda18271_dump_regs(struct dvb_frontend *fe, int extended)
-{
- struct tda18271_priv *priv = fe->tuner_priv;
- unsigned char *regs = priv->tda18271_regs;
-
- tda_reg("=== TDA18271 REG DUMP ===\n");
- tda_reg("ID_BYTE = 0x%02x\n", 0xff & regs[R_ID]);
- tda_reg("THERMO_BYTE = 0x%02x\n", 0xff & regs[R_TM]);
- tda_reg("POWER_LEVEL_BYTE = 0x%02x\n", 0xff & regs[R_PL]);
- tda_reg("EASY_PROG_BYTE_1 = 0x%02x\n", 0xff & regs[R_EP1]);
- tda_reg("EASY_PROG_BYTE_2 = 0x%02x\n", 0xff & regs[R_EP2]);
- tda_reg("EASY_PROG_BYTE_3 = 0x%02x\n", 0xff & regs[R_EP3]);
- tda_reg("EASY_PROG_BYTE_4 = 0x%02x\n", 0xff & regs[R_EP4]);
- tda_reg("EASY_PROG_BYTE_5 = 0x%02x\n", 0xff & regs[R_EP5]);
- tda_reg("CAL_POST_DIV_BYTE = 0x%02x\n", 0xff & regs[R_CPD]);
- tda_reg("CAL_DIV_BYTE_1 = 0x%02x\n", 0xff & regs[R_CD1]);
- tda_reg("CAL_DIV_BYTE_2 = 0x%02x\n", 0xff & regs[R_CD2]);
- tda_reg("CAL_DIV_BYTE_3 = 0x%02x\n", 0xff & regs[R_CD3]);
- tda_reg("MAIN_POST_DIV_BYTE = 0x%02x\n", 0xff & regs[R_MPD]);
- tda_reg("MAIN_DIV_BYTE_1 = 0x%02x\n", 0xff & regs[R_MD1]);
- tda_reg("MAIN_DIV_BYTE_2 = 0x%02x\n", 0xff & regs[R_MD2]);
- tda_reg("MAIN_DIV_BYTE_3 = 0x%02x\n", 0xff & regs[R_MD3]);
-
- /* only dump extended regs if DBG_ADV is set */
- if (!(tda18271_debug & DBG_ADV))
- return;
-
- /* W indicates write-only registers.
- * Register dump for write-only registers shows last value written. */
-
- tda_reg("EXTENDED_BYTE_1 = 0x%02x\n", 0xff & regs[R_EB1]);
- tda_reg("EXTENDED_BYTE_2 = 0x%02x\n", 0xff & regs[R_EB2]);
- tda_reg("EXTENDED_BYTE_3 = 0x%02x\n", 0xff & regs[R_EB3]);
- tda_reg("EXTENDED_BYTE_4 = 0x%02x\n", 0xff & regs[R_EB4]);
- tda_reg("EXTENDED_BYTE_5 = 0x%02x\n", 0xff & regs[R_EB5]);
- tda_reg("EXTENDED_BYTE_6 = 0x%02x\n", 0xff & regs[R_EB6]);
- tda_reg("EXTENDED_BYTE_7 = 0x%02x\n", 0xff & regs[R_EB7]);
- tda_reg("EXTENDED_BYTE_8 = 0x%02x\n", 0xff & regs[R_EB8]);
- tda_reg("EXTENDED_BYTE_9 W = 0x%02x\n", 0xff & regs[R_EB9]);
- tda_reg("EXTENDED_BYTE_10 = 0x%02x\n", 0xff & regs[R_EB10]);
- tda_reg("EXTENDED_BYTE_11 = 0x%02x\n", 0xff & regs[R_EB11]);
- tda_reg("EXTENDED_BYTE_12 = 0x%02x\n", 0xff & regs[R_EB12]);
- tda_reg("EXTENDED_BYTE_13 = 0x%02x\n", 0xff & regs[R_EB13]);
- tda_reg("EXTENDED_BYTE_14 = 0x%02x\n", 0xff & regs[R_EB14]);
- tda_reg("EXTENDED_BYTE_15 = 0x%02x\n", 0xff & regs[R_EB15]);
- tda_reg("EXTENDED_BYTE_16 W = 0x%02x\n", 0xff & regs[R_EB16]);
- tda_reg("EXTENDED_BYTE_17 W = 0x%02x\n", 0xff & regs[R_EB17]);
- tda_reg("EXTENDED_BYTE_18 = 0x%02x\n", 0xff & regs[R_EB18]);
- tda_reg("EXTENDED_BYTE_19 W = 0x%02x\n", 0xff & regs[R_EB19]);
- tda_reg("EXTENDED_BYTE_20 W = 0x%02x\n", 0xff & regs[R_EB20]);
- tda_reg("EXTENDED_BYTE_21 = 0x%02x\n", 0xff & regs[R_EB21]);
- tda_reg("EXTENDED_BYTE_22 = 0x%02x\n", 0xff & regs[R_EB22]);
- tda_reg("EXTENDED_BYTE_23 = 0x%02x\n", 0xff & regs[R_EB23]);
-}
-
-int tda18271_read_regs(struct dvb_frontend *fe)
-{
- struct tda18271_priv *priv = fe->tuner_priv;
- unsigned char *regs = priv->tda18271_regs;
- unsigned char buf = 0x00;
- int ret;
- struct i2c_msg msg[] = {
- { .addr = priv->i2c_props.addr, .flags = 0,
- .buf = &buf, .len = 1 },
- { .addr = priv->i2c_props.addr, .flags = I2C_M_RD,
- .buf = regs, .len = 16 }
- };
-
- tda18271_i2c_gate_ctrl(fe, 1);
-
- /* read all registers */
- ret = i2c_transfer(priv->i2c_props.adap, msg, 2);
-
- tda18271_i2c_gate_ctrl(fe, 0);
-
- if (ret != 2)
- tda_err("ERROR: i2c_transfer returned: %d\n", ret);
-
- if (tda18271_debug & DBG_REG)
- tda18271_dump_regs(fe, 0);
-
- return (ret == 2 ? 0 : ret);
-}
-
-int tda18271_read_extended(struct dvb_frontend *fe)
-{
- struct tda18271_priv *priv = fe->tuner_priv;
- unsigned char *regs = priv->tda18271_regs;
- unsigned char regdump[TDA18271_NUM_REGS];
- unsigned char buf = 0x00;
- int ret, i;
- struct i2c_msg msg[] = {
- { .addr = priv->i2c_props.addr, .flags = 0,
- .buf = &buf, .len = 1 },
- { .addr = priv->i2c_props.addr, .flags = I2C_M_RD,
- .buf = regdump, .len = TDA18271_NUM_REGS }
- };
-
- tda18271_i2c_gate_ctrl(fe, 1);
-
- /* read all registers */
- ret = i2c_transfer(priv->i2c_props.adap, msg, 2);
-
- tda18271_i2c_gate_ctrl(fe, 0);
-
- if (ret != 2)
- tda_err("ERROR: i2c_transfer returned: %d\n", ret);
-
- for (i = 0; i < TDA18271_NUM_REGS; i++) {
- /* don't update write-only registers */
- if ((i != R_EB9) &&
- (i != R_EB16) &&
- (i != R_EB17) &&
- (i != R_EB19) &&
- (i != R_EB20))
- regs[i] = regdump[i];
- }
-
- if (tda18271_debug & DBG_REG)
- tda18271_dump_regs(fe, 1);
-
- return (ret == 2 ? 0 : ret);
-}
-
-int tda18271_write_regs(struct dvb_frontend *fe, int idx, int len)
-{
- struct tda18271_priv *priv = fe->tuner_priv;
- unsigned char *regs = priv->tda18271_regs;
- unsigned char buf[TDA18271_NUM_REGS + 1];
- struct i2c_msg msg = { .addr = priv->i2c_props.addr, .flags = 0,
- .buf = buf };
- int i, ret = 1, max;
-
- BUG_ON((len == 0) || (idx + len > sizeof(buf)));
-
-
- switch (priv->small_i2c) {
- case TDA18271_03_BYTE_CHUNK_INIT:
- max = 3;
- break;
- case TDA18271_08_BYTE_CHUNK_INIT:
- max = 8;
- break;
- case TDA18271_16_BYTE_CHUNK_INIT:
- max = 16;
- break;
- case TDA18271_39_BYTE_CHUNK_INIT:
- default:
- max = 39;
- }
-
- tda18271_i2c_gate_ctrl(fe, 1);
- while (len) {
- if (max > len)
- max = len;
-
- buf[0] = idx;
- for (i = 1; i <= max; i++)
- buf[i] = regs[idx - 1 + i];
-
- msg.len = max + 1;
-
- /* write registers */
- ret = i2c_transfer(priv->i2c_props.adap, &msg, 1);
- if (ret != 1)
- break;
-
- idx += max;
- len -= max;
- }
- tda18271_i2c_gate_ctrl(fe, 0);
-
- if (ret != 1)
- tda_err("ERROR: idx = 0x%x, len = %d, "
- "i2c_transfer returned: %d\n", idx, max, ret);
-
- return (ret == 1 ? 0 : ret);
-}
-
-/*---------------------------------------------------------------------*/
-
-int tda18271_charge_pump_source(struct dvb_frontend *fe,
- enum tda18271_pll pll, int force)
-{
- struct tda18271_priv *priv = fe->tuner_priv;
- unsigned char *regs = priv->tda18271_regs;
-
- int r_cp = (pll == TDA18271_CAL_PLL) ? R_EB7 : R_EB4;
-
- regs[r_cp] &= ~0x20;
- regs[r_cp] |= ((force & 1) << 5);
-
- return tda18271_write_regs(fe, r_cp, 1);
-}
-
-int tda18271_init_regs(struct dvb_frontend *fe)
-{
- struct tda18271_priv *priv = fe->tuner_priv;
- unsigned char *regs = priv->tda18271_regs;
-
- tda_dbg("initializing registers for device @ %d-%04x\n",
- i2c_adapter_id(priv->i2c_props.adap),
- priv->i2c_props.addr);
-
- /* initialize registers */
- switch (priv->id) {
- case TDA18271HDC1:
- regs[R_ID] = 0x83;
- break;
- case TDA18271HDC2:
- regs[R_ID] = 0x84;
- break;
- };
-
- regs[R_TM] = 0x08;
- regs[R_PL] = 0x80;
- regs[R_EP1] = 0xc6;
- regs[R_EP2] = 0xdf;
- regs[R_EP3] = 0x16;
- regs[R_EP4] = 0x60;
- regs[R_EP5] = 0x80;
- regs[R_CPD] = 0x80;
- regs[R_CD1] = 0x00;
- regs[R_CD2] = 0x00;
- regs[R_CD3] = 0x00;
- regs[R_MPD] = 0x00;
- regs[R_MD1] = 0x00;
- regs[R_MD2] = 0x00;
- regs[R_MD3] = 0x00;
-
- switch (priv->id) {
- case TDA18271HDC1:
- regs[R_EB1] = 0xff;
- break;
- case TDA18271HDC2:
- regs[R_EB1] = 0xfc;
- break;
- };
-
- regs[R_EB2] = 0x01;
- regs[R_EB3] = 0x84;
- regs[R_EB4] = 0x41;
- regs[R_EB5] = 0x01;
- regs[R_EB6] = 0x84;
- regs[R_EB7] = 0x40;
- regs[R_EB8] = 0x07;
- regs[R_EB9] = 0x00;
- regs[R_EB10] = 0x00;
- regs[R_EB11] = 0x96;
-
- switch (priv->id) {
- case TDA18271HDC1:
- regs[R_EB12] = 0x0f;
- break;
- case TDA18271HDC2:
- regs[R_EB12] = 0x33;
- break;
- };
-
- regs[R_EB13] = 0xc1;
- regs[R_EB14] = 0x00;
- regs[R_EB15] = 0x8f;
- regs[R_EB16] = 0x00;
- regs[R_EB17] = 0x00;
-
- switch (priv->id) {
- case TDA18271HDC1:
- regs[R_EB18] = 0x00;
- break;
- case TDA18271HDC2:
- regs[R_EB18] = 0x8c;
- break;
- };
-
- regs[R_EB19] = 0x00;
- regs[R_EB20] = 0x20;
-
- switch (priv->id) {
- case TDA18271HDC1:
- regs[R_EB21] = 0x33;
- break;
- case TDA18271HDC2:
- regs[R_EB21] = 0xb3;
- break;
- };
-
- regs[R_EB22] = 0x48;
- regs[R_EB23] = 0xb0;
-
- tda18271_write_regs(fe, 0x00, TDA18271_NUM_REGS);
-
- /* setup agc1 gain */
- regs[R_EB17] = 0x00;
- tda18271_write_regs(fe, R_EB17, 1);
- regs[R_EB17] = 0x03;
- tda18271_write_regs(fe, R_EB17, 1);
- regs[R_EB17] = 0x43;
- tda18271_write_regs(fe, R_EB17, 1);
- regs[R_EB17] = 0x4c;
- tda18271_write_regs(fe, R_EB17, 1);
-
- /* setup agc2 gain */
- if ((priv->id) == TDA18271HDC1) {
- regs[R_EB20] = 0xa0;
- tda18271_write_regs(fe, R_EB20, 1);
- regs[R_EB20] = 0xa7;
- tda18271_write_regs(fe, R_EB20, 1);
- regs[R_EB20] = 0xe7;
- tda18271_write_regs(fe, R_EB20, 1);
- regs[R_EB20] = 0xec;
- tda18271_write_regs(fe, R_EB20, 1);
- }
-
- /* image rejection calibration */
-
- /* low-band */
- regs[R_EP3] = 0x1f;
- regs[R_EP4] = 0x66;
- regs[R_EP5] = 0x81;
- regs[R_CPD] = 0xcc;
- regs[R_CD1] = 0x6c;
- regs[R_CD2] = 0x00;
- regs[R_CD3] = 0x00;
- regs[R_MPD] = 0xcd;
- regs[R_MD1] = 0x77;
- regs[R_MD2] = 0x08;
- regs[R_MD3] = 0x00;
-
- tda18271_write_regs(fe, R_EP3, 11);
-
- if ((priv->id) == TDA18271HDC2) {
- /* main pll cp source on */
- tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 1);
- msleep(1);
-
- /* main pll cp source off */
- tda18271_charge_pump_source(fe, TDA18271_MAIN_PLL, 0);
- }
-
- msleep(5); /* pll locking */
-
- /* launch detector */
- tda18271_write_regs(fe, R_EP1, 1);
- msleep(5); /* wanted low measurement */
-
- regs[R_EP5] = 0x85;
- regs[R_CPD] = 0xcb;
- regs[R_CD1] = 0x66;
- regs[R_CD2] = 0x70;
-
- tda18271_write_regs(fe, R_EP3, 7);
- msleep(5); /* pll locking */
-
- /* launch optimization algorithm */
- tda18271_write_regs(fe, R_EP2, 1);
- msleep(30); /* image low optimization completion */
-
- /* mid-band */
- regs[R_EP5] = 0x82;
- regs[R_CPD] = 0xa8;
- regs[R_CD2] = 0x00;
- regs[R_MPD] = 0xa9;
- regs[R_MD1] = 0x73;
- regs[R_MD2] = 0x1a;
-
- tda18271_write_regs(fe, R_EP3, 11);
- msleep(5); /* pll locking */
-
- /* launch detector */
- tda18271_write_regs(fe, R_EP1, 1);
- msleep(5); /* wanted mid measurement */
-
- regs[R_EP5] = 0x86;
- regs[R_CPD] = 0xa8;
- regs[R_CD1] = 0x66;
- regs[R_CD2] = 0xa0;
-
- tda18271_write_regs(fe, R_EP3, 7);
- msleep(5); /* pll locking */
-
- /* launch optimization algorithm */
- tda18271_write_regs(fe, R_EP2, 1);
- msleep(30); /* image mid optimization completion */
-
- /* high-band */
- regs[R_EP5] = 0x83;
- regs[R_CPD] = 0x98;
- regs[R_CD1] = 0x65;
- regs[R_CD2] = 0x00;
- regs[R_MPD] = 0x99;
- regs[R_MD1] = 0x71;
- regs[R_MD2] = 0xcd;
-
- tda18271_write_regs(fe, R_EP3, 11);
- msleep(5); /* pll locking */
-
- /* launch detector */
- tda18271_write_regs(fe, R_EP1, 1);
- msleep(5); /* wanted high measurement */
-
- regs[R_EP5] = 0x87;
- regs[R_CD1] = 0x65;
- regs[R_CD2] = 0x50;
-
- tda18271_write_regs(fe, R_EP3, 7);
- msleep(5); /* pll locking */
-
- /* launch optimization algorithm */
- tda18271_write_regs(fe, R_EP2, 1);
- msleep(30); /* image high optimization completion */
-
- /* return to normal mode */
- regs[R_EP4] = 0x64;
- tda18271_write_regs(fe, R_EP4, 1);
-
- /* synchronize */
- tda18271_write_regs(fe, R_EP1, 1);
-
- return 0;
-}
-
-/*---------------------------------------------------------------------*/
-
-/*
- * Standby modes, EP3 [7:5]
- *
- * | SM || SM_LT || SM_XT || mode description
- * |=====\\=======\\=======\\===================================
- * | 0 || 0 || 0 || normal mode
- * |-----||-------||-------||-----------------------------------
- * | || || || standby mode w/ slave tuner output
- * | 1 || 0 || 0 || & loop thru & xtal oscillator on
- * |-----||-------||-------||-----------------------------------
- * | 1 || 1 || 0 || standby mode w/ xtal oscillator on
- * |-----||-------||-------||-----------------------------------
- * | 1 || 1 || 1 || power off
- *
- */
-
-int tda18271_set_standby_mode(struct dvb_frontend *fe,
- int sm, int sm_lt, int sm_xt)
-{
- struct tda18271_priv *priv = fe->tuner_priv;
- unsigned char *regs = priv->tda18271_regs;
-
- if (tda18271_debug & DBG_ADV)
- tda_dbg("sm = %d, sm_lt = %d, sm_xt = %d\n", sm, sm_lt, sm_xt);
-
- regs[R_EP3] &= ~0xe0; /* clear sm, sm_lt, sm_xt */
- regs[R_EP3] |= (sm ? (1 << 7) : 0) |
- (sm_lt ? (1 << 6) : 0) |
- (sm_xt ? (1 << 5) : 0);
-
- return tda18271_write_regs(fe, R_EP3, 1);
-}
-
-/*---------------------------------------------------------------------*/
-
-int tda18271_calc_main_pll(struct dvb_frontend *fe, u32 freq)
-{
- /* sets main post divider & divider bytes, but does not write them */
- struct tda18271_priv *priv = fe->tuner_priv;
- unsigned char *regs = priv->tda18271_regs;
- u8 d, pd;
- u32 div;
-
- int ret = tda18271_lookup_pll_map(fe, MAIN_PLL, &freq, &pd, &d);
- if (tda_fail(ret))
- goto fail;
-
- regs[R_MPD] = (0x7f & pd);
-
- div = ((d * (freq / 1000)) << 7) / 125;
-
- regs[R_MD1] = 0x7f & (div >> 16);
- regs[R_MD2] = 0xff & (div >> 8);
- regs[R_MD3] = 0xff & div;
-fail:
- return ret;
-}
-
-int tda18271_calc_cal_pll(struct dvb_frontend *fe, u32 freq)
-{
- /* sets cal post divider & divider bytes, but does not write them */
- struct tda18271_priv *priv = fe->tuner_priv;
- unsigned char *regs = priv->tda18271_regs;
- u8 d, pd;
- u32 div;
-
- int ret = tda18271_lookup_pll_map(fe, CAL_PLL, &freq, &pd, &d);
- if (tda_fail(ret))
- goto fail;
-
- regs[R_CPD] = pd;
-
- div = ((d * (freq / 1000)) << 7) / 125;
-
- regs[R_CD1] = 0x7f & (div >> 16);
- regs[R_CD2] = 0xff & (div >> 8);
- regs[R_CD3] = 0xff & div;
-fail:
- return ret;
-}
-
-/*---------------------------------------------------------------------*/
-
-int tda18271_calc_bp_filter(struct dvb_frontend *fe, u32 *freq)
-{
- /* sets bp filter bits, but does not write them */
- struct tda18271_priv *priv = fe->tuner_priv;
- unsigned char *regs = priv->tda18271_regs;
- u8 val;
-
- int ret = tda18271_lookup_map(fe, BP_FILTER, freq, &val);
- if (tda_fail(ret))
- goto fail;
-
- regs[R_EP1] &= ~0x07; /* clear bp filter bits */
- regs[R_EP1] |= (0x07 & val);
-fail:
- return ret;
-}
-
-int tda18271_calc_km(struct dvb_frontend *fe, u32 *freq)
-{
- /* sets K & M bits, but does not write them */
- struct tda18271_priv *priv = fe->tuner_priv;
- unsigned char *regs = priv->tda18271_regs;
- u8 val;
-
- int ret = tda18271_lookup_map(fe, RF_CAL_KMCO, freq, &val);
- if (tda_fail(ret))
- goto fail;
-
- regs[R_EB13] &= ~0x7c; /* clear k & m bits */
- regs[R_EB13] |= (0x7c & val);
-fail:
- return ret;
-}
-
-int tda18271_calc_rf_band(struct dvb_frontend *fe, u32 *freq)
-{
- /* sets rf band bits, but does not write them */
- struct tda18271_priv *priv = fe->tuner_priv;
- unsigned char *regs = priv->tda18271_regs;
- u8 val;
-
- int ret = tda18271_lookup_map(fe, RF_BAND, freq, &val);
- if (tda_fail(ret))
- goto fail;
-
- regs[R_EP2] &= ~0xe0; /* clear rf band bits */
- regs[R_EP2] |= (0xe0 & (val << 5));
-fail:
- return ret;
-}
-
-int tda18271_calc_gain_taper(struct dvb_frontend *fe, u32 *freq)
-{
- /* sets gain taper bits, but does not write them */
- struct tda18271_priv *priv = fe->tuner_priv;
- unsigned char *regs = priv->tda18271_regs;
- u8 val;
-
- int ret = tda18271_lookup_map(fe, GAIN_TAPER, freq, &val);
- if (tda_fail(ret))
- goto fail;
-
- regs[R_EP2] &= ~0x1f; /* clear gain taper bits */
- regs[R_EP2] |= (0x1f & val);
-fail:
- return ret;
-}
-
-int tda18271_calc_ir_measure(struct dvb_frontend *fe, u32 *freq)
-{
- /* sets IR Meas bits, but does not write them */
- struct tda18271_priv *priv = fe->tuner_priv;
- unsigned char *regs = priv->tda18271_regs;
- u8 val;
-
- int ret = tda18271_lookup_map(fe, IR_MEASURE, freq, &val);
- if (tda_fail(ret))
- goto fail;
-
- regs[R_EP5] &= ~0x07;
- regs[R_EP5] |= (0x07 & val);
-fail:
- return ret;
-}
-
-int tda18271_calc_rf_cal(struct dvb_frontend *fe, u32 *freq)
-{
- /* sets rf cal byte (RFC_Cprog), but does not write it */
- struct tda18271_priv *priv = fe->tuner_priv;
- unsigned char *regs = priv->tda18271_regs;
- u8 val;
-
- int ret = tda18271_lookup_map(fe, RF_CAL, freq, &val);
- /* The TDA18271HD/C1 rf_cal map lookup is expected to go out of range
- * for frequencies above 61.1 MHz. In these cases, the internal RF
- * tracking filters calibration mechanism is used.
- *
- * There is no need to warn the user about this.
- */
- if (ret < 0)
- goto fail;
-
- regs[R_EB14] = val;
-fail:
- return ret;
-}
-
-int _tda_printk(struct tda18271_priv *state, const char *level,
- const char *func, const char *fmt, ...)
-{
- struct va_format vaf;
- va_list args;
- int rtn;
-
- va_start(args, fmt);
-
- vaf.fmt = fmt;
- vaf.va = &args;
-
- if (state)
- rtn = printk("%s%s: [%d-%04x|%c] %pV",
- level, func, i2c_adapter_id(state->i2c_props.adap),
- state->i2c_props.addr,
- (state->role == TDA18271_MASTER) ? 'M' : 'S',
- &vaf);
- else
- rtn = printk("%s%s: %pV", level, func, &vaf);
-
- va_end(args);
-
- return rtn;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-13 09:58:36 +0000