diff options
Diffstat (limited to 'drivers/staging/media/mn88473')
-rw-r--r-- | drivers/staging/media/mn88473/Kconfig | 7 | ||||
-rw-r--r-- | drivers/staging/media/mn88473/Makefile | 5 | ||||
-rw-r--r-- | drivers/staging/media/mn88473/TODO | 21 | ||||
-rw-r--r-- | drivers/staging/media/mn88473/mn88473.c | 522 | ||||
-rw-r--r-- | drivers/staging/media/mn88473/mn88473_priv.h | 37 |
5 files changed, 0 insertions, 592 deletions
diff --git a/drivers/staging/media/mn88473/Kconfig b/drivers/staging/media/mn88473/Kconfig deleted file mode 100644 index 6c9ebf51c..000000000 --- a/drivers/staging/media/mn88473/Kconfig +++ /dev/null @@ -1,7 +0,0 @@ -config DVB_MN88473 - tristate "Panasonic MN88473" - depends on DVB_CORE && I2C - select REGMAP_I2C - default m if !MEDIA_SUBDRV_AUTOSELECT - help - Say Y when you want to support this frontend. diff --git a/drivers/staging/media/mn88473/Makefile b/drivers/staging/media/mn88473/Makefile deleted file mode 100644 index fac55410c..000000000 --- a/drivers/staging/media/mn88473/Makefile +++ /dev/null @@ -1,5 +0,0 @@ -obj-$(CONFIG_DVB_MN88473) += mn88473.o - -ccflags-y += -Idrivers/media/dvb-core/ -ccflags-y += -Idrivers/media/dvb-frontends/ -ccflags-y += -Idrivers/media/tuners/ diff --git a/drivers/staging/media/mn88473/TODO b/drivers/staging/media/mn88473/TODO deleted file mode 100644 index b90a14be3..000000000 --- a/drivers/staging/media/mn88473/TODO +++ /dev/null @@ -1,21 +0,0 @@ -Driver general quality is not good enough for mainline. Also, other -device drivers (USB-bridge, tuner) needed for Astrometa receiver in -question could need some changes. However, if that driver is mainlined -due to some other device than Astrometa, unrelated TODOs could be -skipped. In that case rtl28xxu driver needs module parameter to prevent -driver loading. - -Required TODOs: -* missing lock flags -* I2C errors -* tuner sensitivity - -*Do not* send any patch fixing checkpatch.pl issues. Currently it passes -checkpatch.pl tests. I don't want waste my time to review this kind of -trivial stuff. *Do not* add missing register I/O error checks. Those are -missing for the reason it is much easier to compare I2C data sniffs when -there is less lines. Those error checks are about the last thing to be added. - -Patches should be submitted to: -linux-media@vger.kernel.org and Antti Palosaari <crope@iki.fi> - diff --git a/drivers/staging/media/mn88473/mn88473.c b/drivers/staging/media/mn88473/mn88473.c deleted file mode 100644 index 18439db24..000000000 --- a/drivers/staging/media/mn88473/mn88473.c +++ /dev/null @@ -1,522 +0,0 @@ -/* - * Panasonic MN88473 DVB-T/T2/C demodulator driver - * - * Copyright (C) 2014 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 "mn88473_priv.h" - -static int mn88473_get_tune_settings(struct dvb_frontend *fe, - struct dvb_frontend_tune_settings *s) -{ - s->min_delay_ms = 1000; - return 0; -} - -static int mn88473_set_frontend(struct dvb_frontend *fe) -{ - struct i2c_client *client = fe->demodulator_priv; - struct mn88473_dev *dev = i2c_get_clientdata(client); - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - int ret, i; - u32 if_frequency; - u64 tmp; - u8 delivery_system_val, if_val[3], bw_val[7]; - - dev_dbg(&client->dev, - "delivery_system=%u modulation=%u frequency=%u bandwidth_hz=%u symbol_rate=%u inversion=%d stream_id=%d\n", - c->delivery_system, - c->modulation, - c->frequency, - c->bandwidth_hz, - c->symbol_rate, - c->inversion, - c->stream_id); - - 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; - } - - if (c->bandwidth_hz <= 6000000) { - memcpy(bw_val, "\xe9\x55\x55\x1c\x29\x1c\x29", 7); - } else if (c->bandwidth_hz <= 7000000) { - memcpy(bw_val, "\xc8\x00\x00\x17\x0a\x17\x0a", 7); - } else if (c->bandwidth_hz <= 8000000) { - memcpy(bw_val, "\xaf\x00\x00\x11\xec\x11\xec", 7); - } else { - 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); - } else { - if_frequency = 0; - } - - /* Calculate IF registers ( (1<<24)*IF / Xtal ) */ - tmp = div_u64(if_frequency * (u64)(1<<24) + (dev->xtal / 2), - dev->xtal); - if_val[0] = ((tmp >> 16) & 0xff); - if_val[1] = ((tmp >> 8) & 0xff); - if_val[2] = ((tmp >> 0) & 0xff); - - ret = regmap_write(dev->regmap[2], 0x05, 0x00); - ret = regmap_write(dev->regmap[2], 0xfb, 0x13); - ret = regmap_write(dev->regmap[2], 0xef, 0x13); - ret = regmap_write(dev->regmap[2], 0xf9, 0x13); - ret = regmap_write(dev->regmap[2], 0x00, 0x18); - ret = regmap_write(dev->regmap[2], 0x01, 0x01); - ret = regmap_write(dev->regmap[2], 0x02, 0x21); - ret = regmap_write(dev->regmap[2], 0x03, delivery_system_val); - ret = regmap_write(dev->regmap[2], 0x0b, 0x00); - - 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; - } - - ret = regmap_write(dev->regmap[2], 0x2d, 0x3b); - ret = regmap_write(dev->regmap[2], 0x2e, 0x00); - ret = regmap_write(dev->regmap[2], 0x56, 0x0d); - ret = regmap_write(dev->regmap[0], 0x01, 0xba); - ret = regmap_write(dev->regmap[0], 0x02, 0x13); - ret = regmap_write(dev->regmap[0], 0x03, 0x80); - ret = regmap_write(dev->regmap[0], 0x04, 0xba); - ret = regmap_write(dev->regmap[0], 0x05, 0x91); - ret = regmap_write(dev->regmap[0], 0x07, 0xe7); - ret = regmap_write(dev->regmap[0], 0x08, 0x28); - ret = regmap_write(dev->regmap[0], 0x0a, 0x1a); - ret = regmap_write(dev->regmap[0], 0x13, 0x1f); - ret = regmap_write(dev->regmap[0], 0x19, 0x03); - ret = regmap_write(dev->regmap[0], 0x1d, 0xb0); - ret = regmap_write(dev->regmap[0], 0x2a, 0x72); - ret = regmap_write(dev->regmap[0], 0x2d, 0x00); - ret = regmap_write(dev->regmap[0], 0x3c, 0x00); - ret = regmap_write(dev->regmap[0], 0x3f, 0xf8); - ret = regmap_write(dev->regmap[0], 0x40, 0xf4); - ret = regmap_write(dev->regmap[0], 0x41, 0x08); - ret = regmap_write(dev->regmap[0], 0xd2, 0x29); - ret = regmap_write(dev->regmap[0], 0xd4, 0x55); - ret = regmap_write(dev->regmap[1], 0x10, 0x10); - ret = regmap_write(dev->regmap[1], 0x11, 0xab); - ret = regmap_write(dev->regmap[1], 0x12, 0x0d); - ret = regmap_write(dev->regmap[1], 0x13, 0xae); - ret = regmap_write(dev->regmap[1], 0x14, 0x1d); - ret = regmap_write(dev->regmap[1], 0x15, 0x9d); - ret = regmap_write(dev->regmap[1], 0xbe, 0x08); - ret = regmap_write(dev->regmap[2], 0x09, 0x08); - ret = regmap_write(dev->regmap[2], 0x08, 0x1d); - ret = regmap_write(dev->regmap[0], 0xb2, 0x37); - ret = regmap_write(dev->regmap[0], 0xd7, 0x04); - ret = regmap_write(dev->regmap[2], 0x32, 0x80); - ret = regmap_write(dev->regmap[2], 0x36, 0x00); - 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 mn88473_read_status(struct dvb_frontend *fe, enum fe_status *status) -{ - struct i2c_client *client = fe->demodulator_priv; - struct mn88473_dev *dev = i2c_get_clientdata(client); - struct dtv_frontend_properties *c = &fe->dtv_property_cache; - int ret; - unsigned int utmp; - int lock = 0; - - *status = 0; - - if (!dev->warm) { - ret = -EAGAIN; - goto err; - } - - switch (c->delivery_system) { - case SYS_DVBT: - ret = regmap_read(dev->regmap[0], 0x62, &utmp); - if (ret) - goto err; - if (!(utmp & 0xA0)) { - if ((utmp & 0xF) >= 0x03) - *status |= FE_HAS_SIGNAL; - if ((utmp & 0xF) >= 0x09) - lock = 1; - } - break; - case SYS_DVBT2: - ret = regmap_read(dev->regmap[2], 0x8B, &utmp); - if (ret) - goto err; - if (!(utmp & 0x40)) { - if ((utmp & 0xF) >= 0x07) - *status |= FE_HAS_SIGNAL; - if ((utmp & 0xF) >= 0x0a) - *status |= FE_HAS_CARRIER; - if ((utmp & 0xF) >= 0x0d) - *status |= FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK; - } - break; - case SYS_DVBC_ANNEX_A: - ret = regmap_read(dev->regmap[1], 0x85, &utmp); - if (ret) - goto err; - if (!(utmp & 0x40)) { - ret = regmap_read(dev->regmap[1], 0x89, &utmp); - if (ret) - goto err; - if (utmp & 0x01) - lock = 1; - } - break; - default: - ret = -EINVAL; - goto err; - } - - if (lock) - *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 mn88473_init(struct dvb_frontend *fe) -{ - struct i2c_client *client = fe->demodulator_priv; - struct mn88473_dev *dev = i2c_get_clientdata(client); - int ret, len, remaining; - const struct firmware *fw = NULL; - u8 *fw_file = MN88473_FIRMWARE; - unsigned int tmp; - - dev_dbg(&client->dev, "\n"); - - /* set cold state by default */ - dev->warm = false; - - /* check if firmware is already running */ - ret = regmap_read(dev->regmap[0], 0xf5, &tmp); - if (ret) - goto err; - - if (!(tmp & 0x1)) { - dev_info(&client->dev, "firmware already running\n"); - dev->warm = true; - return 0; - } - - /* request the firmware, this will block and timeout */ - ret = reject_firmware(&fw, fw_file, &client->dev); - if (ret) { - dev_err(&client->dev, "firmare file '%s' not found\n", fw_file); - goto err_request_firmware; - } - - 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; - } - } - - /* parity check of firmware */ - ret = regmap_read(dev->regmap[0], 0xf8, &tmp); - if (ret) { - dev_err(&client->dev, - "parity reg read failed=%d\n", ret); - goto err; - } - if (tmp & 0x10) { - dev_err(&client->dev, - "firmware parity check failed=0x%x\n", tmp); - goto err; - } - dev_err(&client->dev, "firmware parity check succeeded=0x%x\n", tmp); - - 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: - release_firmware(fw); -err_request_firmware: - dev_dbg(&client->dev, "failed=%d\n", ret); - return ret; -} - -static int mn88473_sleep(struct dvb_frontend *fe) -{ - struct i2c_client *client = fe->demodulator_priv; - struct mn88473_dev *dev = i2c_get_clientdata(client); - int ret; - - dev_dbg(&client->dev, "\n"); - - 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 mn88473_ops = { - .delsys = {SYS_DVBT, SYS_DVBT2, SYS_DVBC_ANNEX_AC}, - .info = { - .name = "Panasonic MN88473", - .symbol_rate_min = 1000000, - .symbol_rate_max = 7200000, - .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 = mn88473_get_tune_settings, - - .init = mn88473_init, - .sleep = mn88473_sleep, - - .set_frontend = mn88473_set_frontend, - - .read_status = mn88473_read_status, -}; - -static int mn88473_probe(struct i2c_client *client, - const struct i2c_device_id *id) -{ - struct mn88473_config *config = client->dev.platform_data; - struct mn88473_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; - if (!config->xtal) - dev->xtal = 25000000; - else - dev->xtal = config->xtal; - dev->client[0] = client; - dev->regmap[0] = regmap_init_i2c(dev->client[0], ®map_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], ®map_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], ®map_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, &mn88473_ops, sizeof(struct dvb_frontend_ops)); - dev->fe.demodulator_priv = client; - *config->fe = &dev->fe; - i2c_set_clientdata(client, dev); - - dev_info(&dev->client[0]->dev, "Panasonic MN88473 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 mn88473_remove(struct i2c_client *client) -{ - struct mn88473_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 mn88473_id_table[] = { - {"mn88473", 0}, - {} -}; -MODULE_DEVICE_TABLE(i2c, mn88473_id_table); - -static struct i2c_driver mn88473_driver = { - .driver = { - .name = "mn88473", - }, - .probe = mn88473_probe, - .remove = mn88473_remove, - .id_table = mn88473_id_table, -}; - -module_i2c_driver(mn88473_driver); - -MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); -MODULE_DESCRIPTION("Panasonic MN88473 DVB-T/T2/C demodulator driver"); -MODULE_LICENSE("GPL"); -/*(DEBLOBBED)*/ diff --git a/drivers/staging/media/mn88473/mn88473_priv.h b/drivers/staging/media/mn88473/mn88473_priv.h deleted file mode 100644 index 0706d7e60..000000000 --- a/drivers/staging/media/mn88473/mn88473_priv.h +++ /dev/null @@ -1,37 +0,0 @@ -/* - * Panasonic MN88473 DVB-T/T2/C demodulator driver - * - * Copyright (C) 2014 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 MN88473_PRIV_H -#define MN88473_PRIV_H - -#include "dvb_frontend.h" -#include "mn88473.h" -#include <linux/firmware.h> -#include <linux/regmap.h> - -#define MN88473_FIRMWARE "/*(DEBLOBBED)*/" - -struct mn88473_dev { - struct i2c_client *client[3]; - struct regmap *regmap[3]; - struct dvb_frontend fe; - u16 i2c_wr_max; - enum fe_delivery_system delivery_system; - bool warm; /* FW running */ - u32 xtal; -}; - -#endif |