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authorAntti Palosaari2014-11-12 04:01:44 +0100
committerMauro Carvalho Chehab2014-11-14 20:22:34 +0100
commitc867b265b15c2703fe07adcce064a2e3ba77ed13 (patch)
tree9e182ae990e01bb0b90e9dc237e0ef2971352c2d /drivers/media/dvb-frontends
parent[media] mn88472: implement DVB-T and DVB-T2 (diff)
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[media] mn88472: move to staging
It is not ready enough to be released on mainline. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Diffstat (limited to 'drivers/media/dvb-frontends')
-rw-r--r--drivers/media/dvb-frontends/Kconfig8
-rw-r--r--drivers/media/dvb-frontends/Makefile1
-rw-r--r--drivers/media/dvb-frontends/mn88472.c523
-rw-r--r--drivers/media/dvb-frontends/mn88472_priv.h36
4 files changed, 0 insertions, 568 deletions
diff --git a/drivers/media/dvb-frontends/Kconfig b/drivers/media/dvb-frontends/Kconfig
index 207843e2899c..6c75418222e2 100644
--- a/drivers/media/dvb-frontends/Kconfig
+++ b/drivers/media/dvb-frontends/Kconfig
@@ -441,14 +441,6 @@ config DVB_CXD2820R
help
Say Y when you want to support this frontend.
-config DVB_MN88472
- tristate "Panasonic MN88472"
- depends on DVB_CORE && I2C
- select REGMAP_I2C
- default m if !MEDIA_SUBDRV_AUTOSELECT
- help
- Say Y when you want to support this frontend.
-
config DVB_RTL2830
tristate "Realtek RTL2830 DVB-T"
depends on DVB_CORE && I2C
diff --git a/drivers/media/dvb-frontends/Makefile b/drivers/media/dvb-frontends/Makefile
index b82225f6781c..ba59df63d050 100644
--- a/drivers/media/dvb-frontends/Makefile
+++ b/drivers/media/dvb-frontends/Makefile
@@ -103,7 +103,6 @@ obj-$(CONFIG_DVB_MB86A20S) += mb86a20s.o
obj-$(CONFIG_DVB_IX2505V) += ix2505v.o
obj-$(CONFIG_DVB_STV0367) += stv0367.o
obj-$(CONFIG_DVB_CXD2820R) += cxd2820r.o
-obj-$(CONFIG_DVB_MN88472) += mn88472.o
obj-$(CONFIG_DVB_DRXK) += drxk.o
obj-$(CONFIG_DVB_TDA18271C2DD) += tda18271c2dd.o
obj-$(CONFIG_DVB_SI2165) += si2165.o
diff --git a/drivers/media/dvb-frontends/mn88472.c b/drivers/media/dvb-frontends/mn88472.c
deleted file mode 100644
index 52de8f85d36c..000000000000
--- a/drivers/media/dvb-frontends/mn88472.c
+++ /dev/null
@@ -1,523 +0,0 @@
-/*
- * Panasonic MN88472 DVB-T/T2/C demodulator driver
- *
- * Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
- *
- * 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.
- */
-
-#include "mn88472_priv.h"
-
-static int mn88472_get_tune_settings(struct dvb_frontend *fe,
- struct dvb_frontend_tune_settings *s)
-{
- s->min_delay_ms = 400;
- return 0;
-}
-
-static int mn88472_set_frontend(struct dvb_frontend *fe)
-{
- struct i2c_client *client = fe->demodulator_priv;
- struct mn88472_dev *dev = i2c_get_clientdata(client);
- struct dtv_frontend_properties *c = &fe->dtv_property_cache;
- int ret, i;
- u32 if_frequency = 0;
- u8 delivery_system_val, if_val[3], bw_val[7], bw_val2;
-
- dev_dbg(&client->dev,
- "delivery_system=%d modulation=%d frequency=%d symbol_rate=%d inversion=%d\n",
- c->delivery_system, c->modulation,
- c->frequency, c->symbol_rate, c->inversion);
-
- if (!dev->warm) {
- ret = -EAGAIN;
- goto err;
- }
-
- switch (c->delivery_system) {
- case SYS_DVBT:
- delivery_system_val = 0x02;
- break;
- case SYS_DVBT2:
- delivery_system_val = 0x03;
- break;
- case SYS_DVBC_ANNEX_A:
- delivery_system_val = 0x04;
- break;
- default:
- ret = -EINVAL;
- goto err;
- }
-
- switch (c->delivery_system) {
- case SYS_DVBT:
- case SYS_DVBT2:
- if (c->bandwidth_hz <= 6000000) {
- /* IF 3570000 Hz, BW 6000000 Hz */
- memcpy(if_val, "\x2c\x94\xdb", 3);
- memcpy(bw_val, "\xbf\x55\x55\x15\x6b\x15\x6b", 7);
- bw_val2 = 0x02;
- } else if (c->bandwidth_hz <= 7000000) {
- /* IF 4570000 Hz, BW 7000000 Hz */
- memcpy(if_val, "\x39\x11\xbc", 3);
- memcpy(bw_val, "\xa4\x00\x00\x0f\x2c\x0f\x2c", 7);
- bw_val2 = 0x01;
- } else if (c->bandwidth_hz <= 8000000) {
- /* IF 4570000 Hz, BW 8000000 Hz */
- memcpy(if_val, "\x39\x11\xbc", 3);
- memcpy(bw_val, "\x8f\x80\x00\x08\xee\x08\xee", 7);
- bw_val2 = 0x00;
- } else {
- ret = -EINVAL;
- goto err;
- }
- break;
- case SYS_DVBC_ANNEX_A:
- /* IF 5070000 Hz, BW 8000000 Hz */
- memcpy(if_val, "\x3f\x50\x2c", 3);
- memcpy(bw_val, "\x8f\x80\x00\x08\xee\x08\xee", 7);
- bw_val2 = 0x00;
- break;
- default:
- ret = -EINVAL;
- goto err;
- }
-
- /* program tuner */
- if (fe->ops.tuner_ops.set_params) {
- ret = fe->ops.tuner_ops.set_params(fe);
- if (ret)
- goto err;
- }
-
- if (fe->ops.tuner_ops.get_if_frequency) {
- ret = fe->ops.tuner_ops.get_if_frequency(fe, &if_frequency);
- if (ret)
- goto err;
-
- dev_dbg(&client->dev, "get_if_frequency=%d\n", if_frequency);
- }
-
- switch (if_frequency) {
- case 3570000:
- case 4570000:
- case 5070000:
- break;
- default:
- dev_err(&client->dev, "IF frequency %d not supported\n",
- if_frequency);
- ret = -EINVAL;
- goto err;
- }
-
- ret = regmap_write(dev->regmap[2], 0xfb, 0x13);
- ret = regmap_write(dev->regmap[2], 0xef, 0x13);
- ret = regmap_write(dev->regmap[2], 0xf9, 0x13);
- if (ret)
- goto err;
-
- ret = regmap_write(dev->regmap[2], 0x00, 0x66);
- if (ret)
- goto err;
- ret = regmap_write(dev->regmap[2], 0x01, 0x00);
- if (ret)
- goto err;
- ret = regmap_write(dev->regmap[2], 0x02, 0x01);
- if (ret)
- goto err;
- ret = regmap_write(dev->regmap[2], 0x03, delivery_system_val);
- if (ret)
- goto err;
- ret = regmap_write(dev->regmap[2], 0x04, bw_val2);
- if (ret)
- goto err;
-
- for (i = 0; i < sizeof(if_val); i++) {
- ret = regmap_write(dev->regmap[2], 0x10 + i, if_val[i]);
- if (ret)
- goto err;
- }
-
- for (i = 0; i < sizeof(bw_val); i++) {
- ret = regmap_write(dev->regmap[2], 0x13 + i, bw_val[i]);
- if (ret)
- goto err;
- }
-
- switch (c->delivery_system) {
- case SYS_DVBT:
- ret = regmap_write(dev->regmap[0], 0x07, 0x26);
- ret = regmap_write(dev->regmap[0], 0xb0, 0x0a);
- ret = regmap_write(dev->regmap[0], 0xb4, 0x00);
- ret = regmap_write(dev->regmap[0], 0xcd, 0x1f);
- ret = regmap_write(dev->regmap[0], 0xd4, 0x0a);
- ret = regmap_write(dev->regmap[0], 0xd6, 0x48);
- ret = regmap_write(dev->regmap[0], 0x00, 0xba);
- ret = regmap_write(dev->regmap[0], 0x01, 0x13);
- if (ret)
- goto err;
- break;
- case SYS_DVBT2:
- ret = regmap_write(dev->regmap[2], 0x2b, 0x13);
- ret = regmap_write(dev->regmap[2], 0x4f, 0x05);
- ret = regmap_write(dev->regmap[1], 0xf6, 0x05);
- ret = regmap_write(dev->regmap[0], 0xb0, 0x0a);
- ret = regmap_write(dev->regmap[0], 0xb4, 0xf6);
- ret = regmap_write(dev->regmap[0], 0xcd, 0x01);
- ret = regmap_write(dev->regmap[0], 0xd4, 0x09);
- ret = regmap_write(dev->regmap[0], 0xd6, 0x46);
- ret = regmap_write(dev->regmap[2], 0x30, 0x80);
- ret = regmap_write(dev->regmap[2], 0x32, 0x00);
- if (ret)
- goto err;
- break;
- case SYS_DVBC_ANNEX_A:
- ret = regmap_write(dev->regmap[0], 0xb0, 0x0b);
- ret = regmap_write(dev->regmap[0], 0xb4, 0x00);
- ret = regmap_write(dev->regmap[0], 0xcd, 0x17);
- ret = regmap_write(dev->regmap[0], 0xd4, 0x09);
- ret = regmap_write(dev->regmap[0], 0xd6, 0x48);
- ret = regmap_write(dev->regmap[1], 0x00, 0xb0);
- if (ret)
- goto err;
- break;
- default:
- ret = -EINVAL;
- goto err;
- }
-
- ret = regmap_write(dev->regmap[0], 0x46, 0x00);
- ret = regmap_write(dev->regmap[0], 0xae, 0x00);
- ret = regmap_write(dev->regmap[2], 0x08, 0x1d);
- ret = regmap_write(dev->regmap[0], 0xd9, 0xe3);
- ret = regmap_write(dev->regmap[2], 0xf8, 0x9f);
- if (ret)
- goto err;
-
- dev->delivery_system = c->delivery_system;
-
- return 0;
-err:
- dev_dbg(&client->dev, "failed=%d\n", ret);
- return ret;
-}
-
-static int mn88472_read_status(struct dvb_frontend *fe, fe_status_t *status)
-{
- struct i2c_client *client = fe->demodulator_priv;
- struct mn88472_dev *dev = i2c_get_clientdata(client);
- struct dtv_frontend_properties *c = &fe->dtv_property_cache;
- int ret;
- unsigned int utmp;
-
- *status = 0;
-
- if (!dev->warm) {
- ret = -EAGAIN;
- goto err;
- }
-
- switch (c->delivery_system) {
- case SYS_DVBT:
- case SYS_DVBT2:
- /* FIXME: implement me */
- utmp = 0x08; /* DVB-C lock value */
- break;
- case SYS_DVBC_ANNEX_A:
- ret = regmap_read(dev->regmap[1], 0x84, &utmp);
- if (ret)
- goto err;
- break;
- default:
- ret = -EINVAL;
- goto err;
- }
-
- if (utmp == 0x08)
- *status = FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI |
- FE_HAS_SYNC | FE_HAS_LOCK;
-
- return 0;
-err:
- dev_dbg(&client->dev, "failed=%d\n", ret);
- return ret;
-}
-
-static int mn88472_init(struct dvb_frontend *fe)
-{
- struct i2c_client *client = fe->demodulator_priv;
- struct mn88472_dev *dev = i2c_get_clientdata(client);
- int ret, len, remaining;
- const struct firmware *fw = NULL;
- u8 *fw_file = MN88472_FIRMWARE;
-
- dev_dbg(&client->dev, "\n");
-
- /* set cold state by default */
- dev->warm = false;
-
- /* power on */
- ret = regmap_write(dev->regmap[2], 0x05, 0x00);
- if (ret)
- goto err;
-
- ret = regmap_bulk_write(dev->regmap[2], 0x0b, "\x00\x00", 2);
- if (ret)
- goto err;
-
- /* request the firmware, this will block and timeout */
- ret = request_firmware(&fw, fw_file, &client->dev);
- if (ret) {
- dev_err(&client->dev, "firmare file '%s' not found\n",
- fw_file);
- goto err;
- }
-
- dev_info(&client->dev, "downloading firmware from file '%s'\n",
- fw_file);
-
- ret = regmap_write(dev->regmap[0], 0xf5, 0x03);
- if (ret)
- goto err;
-
- for (remaining = fw->size; remaining > 0;
- remaining -= (dev->i2c_wr_max - 1)) {
- len = remaining;
- if (len > (dev->i2c_wr_max - 1))
- len = (dev->i2c_wr_max - 1);
-
- ret = regmap_bulk_write(dev->regmap[0], 0xf6,
- &fw->data[fw->size - remaining], len);
- if (ret) {
- dev_err(&client->dev,
- "firmware download failed=%d\n", ret);
- goto err;
- }
- }
-
- ret = regmap_write(dev->regmap[0], 0xf5, 0x00);
- if (ret)
- goto err;
-
- release_firmware(fw);
- fw = NULL;
-
- /* warm state */
- dev->warm = true;
-
- return 0;
-err:
- if (fw)
- release_firmware(fw);
-
- dev_dbg(&client->dev, "failed=%d\n", ret);
- return ret;
-}
-
-static int mn88472_sleep(struct dvb_frontend *fe)
-{
- struct i2c_client *client = fe->demodulator_priv;
- struct mn88472_dev *dev = i2c_get_clientdata(client);
- int ret;
-
- dev_dbg(&client->dev, "\n");
-
- /* power off */
- ret = regmap_write(dev->regmap[2], 0x0b, 0x30);
-
- if (ret)
- goto err;
-
- ret = regmap_write(dev->regmap[2], 0x05, 0x3e);
- if (ret)
- goto err;
-
- dev->delivery_system = SYS_UNDEFINED;
-
- return 0;
-err:
- dev_dbg(&client->dev, "failed=%d\n", ret);
- return ret;
-}
-
-static struct dvb_frontend_ops mn88472_ops = {
- .delsys = {SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_A},
- .info = {
- .name = "Panasonic MN88472",
- .caps = 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_32 |
- FE_CAN_QAM_64 |
- FE_CAN_QAM_128 |
- FE_CAN_QAM_256 |
- FE_CAN_QAM_AUTO |
- FE_CAN_TRANSMISSION_MODE_AUTO |
- FE_CAN_GUARD_INTERVAL_AUTO |
- FE_CAN_HIERARCHY_AUTO |
- FE_CAN_MUTE_TS |
- FE_CAN_2G_MODULATION |
- FE_CAN_MULTISTREAM
- },
-
- .get_tune_settings = mn88472_get_tune_settings,
-
- .init = mn88472_init,
- .sleep = mn88472_sleep,
-
- .set_frontend = mn88472_set_frontend,
-
- .read_status = mn88472_read_status,
-};
-
-static int mn88472_probe(struct i2c_client *client,
- const struct i2c_device_id *id)
-{
- struct mn88472_config *config = client->dev.platform_data;
- struct mn88472_dev *dev;
- int ret;
- unsigned int utmp;
- static const struct regmap_config regmap_config = {
- .reg_bits = 8,
- .val_bits = 8,
- };
-
- dev_dbg(&client->dev, "\n");
-
- /* Caller really need to provide pointer for frontend we create. */
- if (config->fe == NULL) {
- dev_err(&client->dev, "frontend pointer not defined\n");
- ret = -EINVAL;
- goto err;
- }
-
- dev = kzalloc(sizeof(*dev), GFP_KERNEL);
- if (dev == NULL) {
- ret = -ENOMEM;
- goto err;
- }
-
- dev->i2c_wr_max = config->i2c_wr_max;
- dev->client[0] = client;
- dev->regmap[0] = regmap_init_i2c(dev->client[0], &regmap_config);
- if (IS_ERR(dev->regmap[0])) {
- ret = PTR_ERR(dev->regmap[0]);
- goto err_kfree;
- }
-
- /* check demod answers to I2C */
- ret = regmap_read(dev->regmap[0], 0x00, &utmp);
- if (ret)
- goto err_regmap_0_regmap_exit;
-
- /*
- * Chip has three I2C addresses for different register pages. Used
- * addresses are 0x18, 0x1a and 0x1c. We register two dummy clients,
- * 0x1a and 0x1c, in order to get own I2C client for each register page.
- */
- dev->client[1] = i2c_new_dummy(client->adapter, 0x1a);
- if (dev->client[1] == NULL) {
- ret = -ENODEV;
- dev_err(&client->dev, "I2C registration failed\n");
- if (ret)
- goto err_regmap_0_regmap_exit;
- }
- dev->regmap[1] = regmap_init_i2c(dev->client[1], &regmap_config);
- if (IS_ERR(dev->regmap[1])) {
- ret = PTR_ERR(dev->regmap[1]);
- goto err_client_1_i2c_unregister_device;
- }
- i2c_set_clientdata(dev->client[1], dev);
-
- dev->client[2] = i2c_new_dummy(client->adapter, 0x1c);
- if (dev->client[2] == NULL) {
- ret = -ENODEV;
- dev_err(&client->dev, "2nd I2C registration failed\n");
- if (ret)
- goto err_regmap_1_regmap_exit;
- }
- dev->regmap[2] = regmap_init_i2c(dev->client[2], &regmap_config);
- if (IS_ERR(dev->regmap[2])) {
- ret = PTR_ERR(dev->regmap[2]);
- goto err_client_2_i2c_unregister_device;
- }
- i2c_set_clientdata(dev->client[2], dev);
-
- /* create dvb_frontend */
- memcpy(&dev->fe.ops, &mn88472_ops, sizeof(struct dvb_frontend_ops));
- dev->fe.demodulator_priv = client;
- *config->fe = &dev->fe;
- i2c_set_clientdata(client, dev);
-
- dev_info(&client->dev, "Panasonic MN88472 successfully attached\n");
- return 0;
-
-err_client_2_i2c_unregister_device:
- i2c_unregister_device(dev->client[2]);
-err_regmap_1_regmap_exit:
- regmap_exit(dev->regmap[1]);
-err_client_1_i2c_unregister_device:
- i2c_unregister_device(dev->client[1]);
-err_regmap_0_regmap_exit:
- regmap_exit(dev->regmap[0]);
-err_kfree:
- kfree(dev);
-err:
- dev_dbg(&client->dev, "failed=%d\n", ret);
- return ret;
-}
-
-static int mn88472_remove(struct i2c_client *client)
-{
- struct mn88472_dev *dev = i2c_get_clientdata(client);
-
- dev_dbg(&client->dev, "\n");
-
- regmap_exit(dev->regmap[2]);
- i2c_unregister_device(dev->client[2]);
-
- regmap_exit(dev->regmap[1]);
- i2c_unregister_device(dev->client[1]);
-
- regmap_exit(dev->regmap[0]);
-
- kfree(dev);
-
- return 0;
-}
-
-static const struct i2c_device_id mn88472_id_table[] = {
- {"mn88472", 0},
- {}
-};
-MODULE_DEVICE_TABLE(i2c, mn88472_id_table);
-
-static struct i2c_driver mn88472_driver = {
- .driver = {
- .owner = THIS_MODULE,
- .name = "mn88472",
- },
- .probe = mn88472_probe,
- .remove = mn88472_remove,
- .id_table = mn88472_id_table,
-};
-
-module_i2c_driver(mn88472_driver);
-
-MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
-MODULE_DESCRIPTION("Panasonic MN88472 DVB-T/T2/C demodulator driver");
-MODULE_LICENSE("GPL");
-MODULE_FIRMWARE(MN88472_FIRMWARE);
diff --git a/drivers/media/dvb-frontends/mn88472_priv.h b/drivers/media/dvb-frontends/mn88472_priv.h
deleted file mode 100644
index 1095949f040d..000000000000
--- a/drivers/media/dvb-frontends/mn88472_priv.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- * Panasonic MN88472 DVB-T/T2/C demodulator driver
- *
- * Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
- *
- * 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.
- */
-
-#ifndef MN88472_PRIV_H
-#define MN88472_PRIV_H
-
-#include "dvb_frontend.h"
-#include "mn88472.h"
-#include <linux/firmware.h>
-#include <linux/regmap.h>
-
-#define MN88472_FIRMWARE "dvb-demod-mn88472-02.fw"
-
-struct mn88472_dev {
- struct i2c_client *client[3];
- struct regmap *regmap[3];
- struct dvb_frontend fe;
- u16 i2c_wr_max;
- fe_delivery_system_t delivery_system;
- bool warm; /* FW running */
-};
-
-#endif