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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-08-13 23:13:41 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-08-13 23:13:41 -0300
commit9a0bf528b4d66b605f02634236da085595c22101 (patch)
treee9ff008ff15c3ee5add6d41173ee5e61939480dd /drivers/media/dvb/frontends/mb86a20s.c
parent3d6c2bc08ac4f75bf3597740357c98f2207ca412 (diff)
[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/mb86a20s.c')
-rw-r--r--drivers/media/dvb/frontends/mb86a20s.c701
1 files changed, 0 insertions, 701 deletions
diff --git a/drivers/media/dvb/frontends/mb86a20s.c b/drivers/media/dvb/frontends/mb86a20s.c
deleted file mode 100644
index fade566927c..00000000000
--- a/drivers/media/dvb/frontends/mb86a20s.c
+++ /dev/null
@@ -1,701 +0,0 @@
-/*
- * Fujitu mb86a20s ISDB-T/ISDB-Tsb Module driver
- *
- * Copyright (C) 2010 Mauro Carvalho Chehab <mchehab@redhat.com>
- * Copyright (C) 2009-2010 Douglas Landgraf <dougsland@redhat.com>
- *
- * FIXME: Need to port to DVB v5.2 API
- *
- * 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.
- *
- * 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.
- */
-
-#include <linux/kernel.h>
-#include <asm/div64.h>
-
-#include "dvb_frontend.h"
-#include "mb86a20s.h"
-
-static int debug = 1;
-module_param(debug, int, 0644);
-MODULE_PARM_DESC(debug, "Activates frontend debugging (default:0)");
-
-#define rc(args...) do { \
- printk(KERN_ERR "mb86a20s: " args); \
-} while (0)
-
-#define dprintk(args...) \
- do { \
- if (debug) { \
- printk(KERN_DEBUG "mb86a20s: %s: ", __func__); \
- printk(args); \
- } \
- } while (0)
-
-struct mb86a20s_state {
- struct i2c_adapter *i2c;
- const struct mb86a20s_config *config;
-
- struct dvb_frontend frontend;
-
- bool need_init;
-};
-
-struct regdata {
- u8 reg;
- u8 data;
-};
-
-/*
- * Initialization sequence: Use whatevere default values that PV SBTVD
- * does on its initialisation, obtained via USB snoop
- */
-static struct regdata mb86a20s_init[] = {
- { 0x70, 0x0f },
- { 0x70, 0xff },
- { 0x08, 0x01 },
- { 0x09, 0x3e },
- { 0x50, 0xd1 }, { 0x51, 0x22 },
- { 0x39, 0x01 },
- { 0x71, 0x00 },
- { 0x28, 0x2a }, { 0x29, 0x00 }, { 0x2a, 0xff }, { 0x2b, 0x80 },
- { 0x28, 0x20 }, { 0x29, 0x33 }, { 0x2a, 0xdf }, { 0x2b, 0xa9 },
- { 0x28, 0x22 }, { 0x29, 0x00 }, { 0x2a, 0x1f }, { 0x2b, 0xf0 },
- { 0x3b, 0x21 },
- { 0x3c, 0x3a },
- { 0x01, 0x0d },
- { 0x04, 0x08 }, { 0x05, 0x05 },
- { 0x04, 0x0e }, { 0x05, 0x00 },
- { 0x04, 0x0f }, { 0x05, 0x14 },
- { 0x04, 0x0b }, { 0x05, 0x8c },
- { 0x04, 0x00 }, { 0x05, 0x00 },
- { 0x04, 0x01 }, { 0x05, 0x07 },
- { 0x04, 0x02 }, { 0x05, 0x0f },
- { 0x04, 0x03 }, { 0x05, 0xa0 },
- { 0x04, 0x09 }, { 0x05, 0x00 },
- { 0x04, 0x0a }, { 0x05, 0xff },
- { 0x04, 0x27 }, { 0x05, 0x64 },
- { 0x04, 0x28 }, { 0x05, 0x00 },
- { 0x04, 0x1e }, { 0x05, 0xff },
- { 0x04, 0x29 }, { 0x05, 0x0a },
- { 0x04, 0x32 }, { 0x05, 0x0a },
- { 0x04, 0x14 }, { 0x05, 0x02 },
- { 0x04, 0x04 }, { 0x05, 0x00 },
- { 0x04, 0x05 }, { 0x05, 0x22 },
- { 0x04, 0x06 }, { 0x05, 0x0e },
- { 0x04, 0x07 }, { 0x05, 0xd8 },
- { 0x04, 0x12 }, { 0x05, 0x00 },
- { 0x04, 0x13 }, { 0x05, 0xff },
- { 0x04, 0x15 }, { 0x05, 0x4e },
- { 0x04, 0x16 }, { 0x05, 0x20 },
- { 0x52, 0x01 },
- { 0x50, 0xa7 }, { 0x51, 0xff },
- { 0x50, 0xa8 }, { 0x51, 0xff },
- { 0x50, 0xa9 }, { 0x51, 0xff },
- { 0x50, 0xaa }, { 0x51, 0xff },
- { 0x50, 0xab }, { 0x51, 0xff },
- { 0x50, 0xac }, { 0x51, 0xff },
- { 0x50, 0xad }, { 0x51, 0xff },
- { 0x50, 0xae }, { 0x51, 0xff },
- { 0x50, 0xaf }, { 0x51, 0xff },
- { 0x5e, 0x07 },
- { 0x50, 0xdc }, { 0x51, 0x01 },
- { 0x50, 0xdd }, { 0x51, 0xf4 },
- { 0x50, 0xde }, { 0x51, 0x01 },
- { 0x50, 0xdf }, { 0x51, 0xf4 },
- { 0x50, 0xe0 }, { 0x51, 0x01 },
- { 0x50, 0xe1 }, { 0x51, 0xf4 },
- { 0x50, 0xb0 }, { 0x51, 0x07 },
- { 0x50, 0xb2 }, { 0x51, 0xff },
- { 0x50, 0xb3 }, { 0x51, 0xff },
- { 0x50, 0xb4 }, { 0x51, 0xff },
- { 0x50, 0xb5 }, { 0x51, 0xff },
- { 0x50, 0xb6 }, { 0x51, 0xff },
- { 0x50, 0xb7 }, { 0x51, 0xff },
- { 0x50, 0x50 }, { 0x51, 0x02 },
- { 0x50, 0x51 }, { 0x51, 0x04 },
- { 0x45, 0x04 },
- { 0x48, 0x04 },
- { 0x50, 0xd5 }, { 0x51, 0x01 }, /* Serial */
- { 0x50, 0xd6 }, { 0x51, 0x1f },
- { 0x50, 0xd2 }, { 0x51, 0x03 },
- { 0x50, 0xd7 }, { 0x51, 0x3f },
- { 0x28, 0x74 }, { 0x29, 0x00 }, { 0x28, 0x74 }, { 0x29, 0x40 },
- { 0x28, 0x46 }, { 0x29, 0x2c }, { 0x28, 0x46 }, { 0x29, 0x0c },
- { 0x04, 0x40 }, { 0x05, 0x01 },
- { 0x28, 0x00 }, { 0x29, 0x10 },
- { 0x28, 0x05 }, { 0x29, 0x02 },
- { 0x1c, 0x01 },
- { 0x28, 0x06 }, { 0x29, 0x00 }, { 0x2a, 0x00 }, { 0x2b, 0x03 },
- { 0x28, 0x07 }, { 0x29, 0x00 }, { 0x2a, 0x00 }, { 0x2b, 0x0d },
- { 0x28, 0x08 }, { 0x29, 0x00 }, { 0x2a, 0x00 }, { 0x2b, 0x02 },
- { 0x28, 0x09 }, { 0x29, 0x00 }, { 0x2a, 0x00 }, { 0x2b, 0x01 },
- { 0x28, 0x0a }, { 0x29, 0x00 }, { 0x2a, 0x00 }, { 0x2b, 0x21 },
- { 0x28, 0x0b }, { 0x29, 0x00 }, { 0x2a, 0x00 }, { 0x2b, 0x29 },
- { 0x28, 0x0c }, { 0x29, 0x00 }, { 0x2a, 0x00 }, { 0x2b, 0x16 },
- { 0x28, 0x0d }, { 0x29, 0x00 }, { 0x2a, 0x00 }, { 0x2b, 0x31 },
- { 0x28, 0x0e }, { 0x29, 0x00 }, { 0x2a, 0x00 }, { 0x2b, 0x0e },
- { 0x28, 0x0f }, { 0x29, 0x00 }, { 0x2a, 0x00 }, { 0x2b, 0x4e },
- { 0x28, 0x10 }, { 0x29, 0x00 }, { 0x2a, 0x00 }, { 0x2b, 0x46 },
- { 0x28, 0x11 }, { 0x29, 0x00 }, { 0x2a, 0x00 }, { 0x2b, 0x0f },
- { 0x28, 0x12 }, { 0x29, 0x00 }, { 0x2a, 0x00 }, { 0x2b, 0x56 },
- { 0x28, 0x13 }, { 0x29, 0x00 }, { 0x2a, 0x00 }, { 0x2b, 0x35 },
- { 0x28, 0x14 }, { 0x29, 0x00 }, { 0x2a, 0x01 }, { 0x2b, 0xbe },
- { 0x28, 0x15 }, { 0x29, 0x00 }, { 0x2a, 0x01 }, { 0x2b, 0x84 },
- { 0x28, 0x16 }, { 0x29, 0x00 }, { 0x2a, 0x03 }, { 0x2b, 0xee },
- { 0x28, 0x17 }, { 0x29, 0x00 }, { 0x2a, 0x00 }, { 0x2b, 0x98 },
- { 0x28, 0x18 }, { 0x29, 0x00 }, { 0x2a, 0x00 }, { 0x2b, 0x9f },
- { 0x28, 0x19 }, { 0x29, 0x00 }, { 0x2a, 0x07 }, { 0x2b, 0xb2 },
- { 0x28, 0x1a }, { 0x29, 0x00 }, { 0x2a, 0x06 }, { 0x2b, 0xc2 },
- { 0x28, 0x1b }, { 0x29, 0x00 }, { 0x2a, 0x07 }, { 0x2b, 0x4a },
- { 0x28, 0x1c }, { 0x29, 0x00 }, { 0x2a, 0x01 }, { 0x2b, 0xbc },
- { 0x28, 0x1d }, { 0x29, 0x00 }, { 0x2a, 0x04 }, { 0x2b, 0xba },
- { 0x28, 0x1e }, { 0x29, 0x00 }, { 0x2a, 0x06 }, { 0x2b, 0x14 },
- { 0x50, 0x1e }, { 0x51, 0x5d },
- { 0x50, 0x22 }, { 0x51, 0x00 },
- { 0x50, 0x23 }, { 0x51, 0xc8 },
- { 0x50, 0x24 }, { 0x51, 0x00 },
- { 0x50, 0x25 }, { 0x51, 0xf0 },
- { 0x50, 0x26 }, { 0x51, 0x00 },
- { 0x50, 0x27 }, { 0x51, 0xc3 },
- { 0x50, 0x39 }, { 0x51, 0x02 },
- { 0x28, 0x6a }, { 0x29, 0x00 }, { 0x2a, 0x00 }, { 0x2b, 0x00 },
- { 0xd0, 0x00 },
-};
-
-static struct regdata mb86a20s_reset_reception[] = {
- { 0x70, 0xf0 },
- { 0x70, 0xff },
- { 0x08, 0x01 },
- { 0x08, 0x00 },
-};
-
-static int mb86a20s_i2c_writereg(struct mb86a20s_state *state,
- u8 i2c_addr, int reg, int data)
-{
- u8 buf[] = { reg, data };
- struct i2c_msg msg = {
- .addr = i2c_addr, .flags = 0, .buf = buf, .len = 2
- };
- int rc;
-
- rc = i2c_transfer(state->i2c, &msg, 1);
- if (rc != 1) {
- printk("%s: writereg error (rc == %i, reg == 0x%02x,"
- " data == 0x%02x)\n", __func__, rc, reg, data);
- return rc;
- }
-
- return 0;
-}
-
-static int mb86a20s_i2c_writeregdata(struct mb86a20s_state *state,
- u8 i2c_addr, struct regdata *rd, int size)
-{
- int i, rc;
-
- for (i = 0; i < size; i++) {
- rc = mb86a20s_i2c_writereg(state, i2c_addr, rd[i].reg,
- rd[i].data);
- if (rc < 0)
- return rc;
- }
- return 0;
-}
-
-static int mb86a20s_i2c_readreg(struct mb86a20s_state *state,
- u8 i2c_addr, u8 reg)
-{
- u8 val;
- int rc;
- struct i2c_msg msg[] = {
- { .addr = i2c_addr, .flags = 0, .buf = &reg, .len = 1 },
- { .addr = i2c_addr, .flags = I2C_M_RD, .buf = &val, .len = 1 }
- };
-
- rc = i2c_transfer(state->i2c, msg, 2);
-
- if (rc != 2) {
- rc("%s: reg=0x%x (error=%d)\n", __func__, reg, rc);
- return rc;
- }
-
- return val;
-}
-
-#define mb86a20s_readreg(state, reg) \
- mb86a20s_i2c_readreg(state, state->config->demod_address, reg)
-#define mb86a20s_writereg(state, reg, val) \
- mb86a20s_i2c_writereg(state, state->config->demod_address, reg, val)
-#define mb86a20s_writeregdata(state, regdata) \
- mb86a20s_i2c_writeregdata(state, state->config->demod_address, \
- regdata, ARRAY_SIZE(regdata))
-
-static int mb86a20s_initfe(struct dvb_frontend *fe)
-{
- struct mb86a20s_state *state = fe->demodulator_priv;
- int rc;
- u8 regD5 = 1;
-
- dprintk("\n");
-
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 0);
-
- /* Initialize the frontend */
- rc = mb86a20s_writeregdata(state, mb86a20s_init);
- if (rc < 0)
- goto err;
-
- if (!state->config->is_serial) {
- regD5 &= ~1;
-
- rc = mb86a20s_writereg(state, 0x50, 0xd5);
- if (rc < 0)
- goto err;
- rc = mb86a20s_writereg(state, 0x51, regD5);
- if (rc < 0)
- goto err;
- }
-
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
-
-err:
- if (rc < 0) {
- state->need_init = true;
- printk(KERN_INFO "mb86a20s: Init failed. Will try again later\n");
- } else {
- state->need_init = false;
- dprintk("Initialization succeeded.\n");
- }
- return rc;
-}
-
-static int mb86a20s_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
-{
- struct mb86a20s_state *state = fe->demodulator_priv;
- unsigned rf_max, rf_min, rf;
- u8 val;
-
- dprintk("\n");
-
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 0);
-
- /* Does a binary search to get RF strength */
- rf_max = 0xfff;
- rf_min = 0;
- do {
- rf = (rf_max + rf_min) / 2;
- mb86a20s_writereg(state, 0x04, 0x1f);
- mb86a20s_writereg(state, 0x05, rf >> 8);
- mb86a20s_writereg(state, 0x04, 0x20);
- mb86a20s_writereg(state, 0x04, rf);
-
- val = mb86a20s_readreg(state, 0x02);
- if (val & 0x08)
- rf_min = (rf_max + rf_min) / 2;
- else
- rf_max = (rf_max + rf_min) / 2;
- if (rf_max - rf_min < 4) {
- *strength = (((rf_max + rf_min) / 2) * 65535) / 4095;
- break;
- }
- } while (1);
-
- dprintk("signal strength = %d\n", *strength);
-
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
-
- return 0;
-}
-
-static int mb86a20s_read_status(struct dvb_frontend *fe, fe_status_t *status)
-{
- struct mb86a20s_state *state = fe->demodulator_priv;
- u8 val;
-
- dprintk("\n");
- *status = 0;
-
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 0);
- val = mb86a20s_readreg(state, 0x0a) & 0xf;
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
-
- if (val >= 2)
- *status |= FE_HAS_SIGNAL;
-
- if (val >= 4)
- *status |= FE_HAS_CARRIER;
-
- if (val >= 5)
- *status |= FE_HAS_VITERBI;
-
- if (val >= 7)
- *status |= FE_HAS_SYNC;
-
- if (val >= 8) /* Maybe 9? */
- *status |= FE_HAS_LOCK;
-
- dprintk("val = %d, status = 0x%02x\n", val, *status);
-
- return 0;
-}
-
-static int mb86a20s_set_frontend(struct dvb_frontend *fe)
-{
- struct mb86a20s_state *state = fe->demodulator_priv;
- int rc;
-#if 0
- /*
- * FIXME: Properly implement the set frontend properties
- */
- struct dtv_frontend_properties *p = &fe->dtv_property_cache;
-#endif
-
- dprintk("\n");
-
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
- dprintk("Calling tuner set parameters\n");
- fe->ops.tuner_ops.set_params(fe);
-
- /*
- * Make it more reliable: if, for some reason, the initial
- * device initialization doesn't happen, initialize it when
- * a SBTVD parameters are adjusted.
- *
- * Unfortunately, due to a hard to track bug at tda829x/tda18271,
- * the agc callback logic is not called during DVB attach time,
- * causing mb86a20s to not be initialized with Kworld SBTVD.
- * So, this hack is needed, in order to make Kworld SBTVD to work.
- */
- if (state->need_init)
- mb86a20s_initfe(fe);
-
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 0);
- rc = mb86a20s_writeregdata(state, mb86a20s_reset_reception);
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
-
- return rc;
-}
-
-static int mb86a20s_get_modulation(struct mb86a20s_state *state,
- unsigned layer)
-{
- int rc;
- static unsigned char reg[] = {
- [0] = 0x86, /* Layer A */
- [1] = 0x8a, /* Layer B */
- [2] = 0x8e, /* Layer C */
- };
-
- if (layer >= ARRAY_SIZE(reg))
- return -EINVAL;
- rc = mb86a20s_writereg(state, 0x6d, reg[layer]);
- if (rc < 0)
- return rc;
- rc = mb86a20s_readreg(state, 0x6e);
- if (rc < 0)
- return rc;
- switch ((rc & 0x70) >> 4) {
- case 0:
- return DQPSK;
- case 1:
- return QPSK;
- case 2:
- return QAM_16;
- case 3:
- return QAM_64;
- default:
- return QAM_AUTO;
- }
-}
-
-static int mb86a20s_get_fec(struct mb86a20s_state *state,
- unsigned layer)
-{
- int rc;
-
- static unsigned char reg[] = {
- [0] = 0x87, /* Layer A */
- [1] = 0x8b, /* Layer B */
- [2] = 0x8f, /* Layer C */
- };
-
- if (layer >= ARRAY_SIZE(reg))
- return -EINVAL;
- rc = mb86a20s_writereg(state, 0x6d, reg[layer]);
- if (rc < 0)
- return rc;
- rc = mb86a20s_readreg(state, 0x6e);
- if (rc < 0)
- return rc;
- switch (rc) {
- case 0:
- return FEC_1_2;
- case 1:
- return FEC_2_3;
- case 2:
- return FEC_3_4;
- case 3:
- return FEC_5_6;
- case 4:
- return FEC_7_8;
- default:
- return FEC_AUTO;
- }
-}
-
-static int mb86a20s_get_interleaving(struct mb86a20s_state *state,
- unsigned layer)
-{
- int rc;
-
- static unsigned char reg[] = {
- [0] = 0x88, /* Layer A */
- [1] = 0x8c, /* Layer B */
- [2] = 0x90, /* Layer C */
- };
-
- if (layer >= ARRAY_SIZE(reg))
- return -EINVAL;
- rc = mb86a20s_writereg(state, 0x6d, reg[layer]);
- if (rc < 0)
- return rc;
- rc = mb86a20s_readreg(state, 0x6e);
- if (rc < 0)
- return rc;
- if (rc > 3)
- return -EINVAL; /* Not used */
- return rc;
-}
-
-static int mb86a20s_get_segment_count(struct mb86a20s_state *state,
- unsigned layer)
-{
- int rc, count;
-
- static unsigned char reg[] = {
- [0] = 0x89, /* Layer A */
- [1] = 0x8d, /* Layer B */
- [2] = 0x91, /* Layer C */
- };
-
- if (layer >= ARRAY_SIZE(reg))
- return -EINVAL;
- rc = mb86a20s_writereg(state, 0x6d, reg[layer]);
- if (rc < 0)
- return rc;
- rc = mb86a20s_readreg(state, 0x6e);
- if (rc < 0)
- return rc;
- count = (rc >> 4) & 0x0f;
-
- return count;
-}
-
-static int mb86a20s_get_frontend(struct dvb_frontend *fe)
-{
- struct mb86a20s_state *state = fe->demodulator_priv;
- struct dtv_frontend_properties *p = &fe->dtv_property_cache;
- int i, rc;
-
- /* Fixed parameters */
- p->delivery_system = SYS_ISDBT;
- p->bandwidth_hz = 6000000;
-
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 0);
-
- /* Check for partial reception */
- rc = mb86a20s_writereg(state, 0x6d, 0x85);
- if (rc >= 0)
- rc = mb86a20s_readreg(state, 0x6e);
- if (rc >= 0)
- p->isdbt_partial_reception = (rc & 0x10) ? 1 : 0;
-
- /* Get per-layer data */
- p->isdbt_layer_enabled = 0;
- for (i = 0; i < 3; i++) {
- rc = mb86a20s_get_segment_count(state, i);
- if (rc >= 0 && rc < 14)
- p->layer[i].segment_count = rc;
- if (rc == 0x0f)
- continue;
- p->isdbt_layer_enabled |= 1 << i;
- rc = mb86a20s_get_modulation(state, i);
- if (rc >= 0)
- p->layer[i].modulation = rc;
- rc = mb86a20s_get_fec(state, i);
- if (rc >= 0)
- p->layer[i].fec = rc;
- rc = mb86a20s_get_interleaving(state, i);
- if (rc >= 0)
- p->layer[i].interleaving = rc;
- }
-
- p->isdbt_sb_mode = 0;
- rc = mb86a20s_writereg(state, 0x6d, 0x84);
- if ((rc >= 0) && ((rc & 0x60) == 0x20)) {
- p->isdbt_sb_mode = 1;
- /* At least, one segment should exist */
- if (!p->isdbt_sb_segment_count)
- p->isdbt_sb_segment_count = 1;
- } else
- p->isdbt_sb_segment_count = 0;
-
- /* Get transmission mode and guard interval */
- p->transmission_mode = TRANSMISSION_MODE_AUTO;
- p->guard_interval = GUARD_INTERVAL_AUTO;
- rc = mb86a20s_readreg(state, 0x07);
- if (rc >= 0) {
- if ((rc & 0x60) == 0x20) {
- switch (rc & 0x0c >> 2) {
- case 0:
- p->transmission_mode = TRANSMISSION_MODE_2K;
- break;
- case 1:
- p->transmission_mode = TRANSMISSION_MODE_4K;
- break;
- case 2:
- p->transmission_mode = TRANSMISSION_MODE_8K;
- break;
- }
- }
- if (!(rc & 0x10)) {
- switch (rc & 0x3) {
- case 0:
- p->guard_interval = GUARD_INTERVAL_1_4;
- break;
- case 1:
- p->guard_interval = GUARD_INTERVAL_1_8;
- break;
- case 2:
- p->guard_interval = GUARD_INTERVAL_1_16;
- break;
- }
- }
- }
-
- if (fe->ops.i2c_gate_ctrl)
- fe->ops.i2c_gate_ctrl(fe, 1);
-
- return 0;
-}
-
-static int mb86a20s_tune(struct dvb_frontend *fe,
- bool re_tune,
- unsigned int mode_flags,
- unsigned int *delay,
- fe_status_t *status)
-{
- int rc = 0;
-
- dprintk("\n");
-
- if (re_tune)
- rc = mb86a20s_set_frontend(fe);
-
- if (!(mode_flags & FE_TUNE_MODE_ONESHOT))
- mb86a20s_read_status(fe, status);
-
- return rc;
-}
-
-static void mb86a20s_release(struct dvb_frontend *fe)
-{
- struct mb86a20s_state *state = fe->demodulator_priv;
-
- dprintk("\n");
-
- kfree(state);
-}
-
-static struct dvb_frontend_ops mb86a20s_ops;
-
-struct dvb_frontend *mb86a20s_attach(const struct mb86a20s_config *config,
- struct i2c_adapter *i2c)
-{
- u8 rev;
-
- /* allocate memory for the internal state */
- struct mb86a20s_state *state =
- kzalloc(sizeof(struct mb86a20s_state), GFP_KERNEL);
-
- dprintk("\n");
- if (state == NULL) {
- rc("Unable to kzalloc\n");
- goto error;
- }
-
- /* setup the state */
- state->config = config;
- state->i2c = i2c;
-
- /* create dvb_frontend */
- memcpy(&state->frontend.ops, &mb86a20s_ops,
- sizeof(struct dvb_frontend_ops));
- state->frontend.demodulator_priv = state;
-
- /* Check if it is a mb86a20s frontend */
- rev = mb86a20s_readreg(state, 0);
-
- if (rev == 0x13) {
- printk(KERN_INFO "Detected a Fujitsu mb86a20s frontend\n");
- } else {
- printk(KERN_ERR "Frontend revision %d is unknown - aborting.\n",
- rev);
- goto error;
- }
-
- return &state->frontend;
-
-error:
- kfree(state);
- return NULL;
-}
-EXPORT_SYMBOL(mb86a20s_attach);
-
-static struct dvb_frontend_ops mb86a20s_ops = {
- .delsys = { SYS_ISDBT },
- /* Use dib8000 values per default */
- .info = {
- .name = "Fujitsu mb86A20s",
- .caps = FE_CAN_INVERSION_AUTO | FE_CAN_RECOVER |
- 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_TRANSMISSION_MODE_AUTO | FE_CAN_QAM_AUTO |
- FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_HIERARCHY_AUTO,
- /* Actually, those values depend on the used tuner */
- .frequency_min = 45000000,
- .frequency_max = 864000000,
- .frequency_stepsize = 62500,
- },
-
- .release = mb86a20s_release,
-
- .init = mb86a20s_initfe,
- .set_frontend = mb86a20s_set_frontend,
- .get_frontend = mb86a20s_get_frontend,
- .read_status = mb86a20s_read_status,
- .read_signal_strength = mb86a20s_read_signal_strength,
- .tune = mb86a20s_tune,
-};
-
-MODULE_DESCRIPTION("DVB Frontend module for Fujitsu mb86A20s hardware");
-MODULE_AUTHOR("Mauro Carvalho Chehab <mchehab@redhat.com>");
-MODULE_LICENSE("GPL");