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authorAntti Palosaari <crope@iki.fi>2014-11-12 03:51:44 (GMT)
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>2014-11-14 19:26:05 (GMT)
commit4f80d858818b70a8a4864f3350f54dbf6422ad7b (patch)
treeb43cdc8fbc01135887fad379681277cdd78dfcc8 /drivers/staging/media
parent97de6e89d82ad9168a27b901acc39d45fb5adfcd (diff)
[media] mn88473: 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/staging/media')
-rw-r--r--drivers/staging/media/Kconfig2
-rw-r--r--drivers/staging/media/Makefile1
-rw-r--r--drivers/staging/media/mn88473/Kconfig7
-rw-r--r--drivers/staging/media/mn88473/Makefile5
-rw-r--r--drivers/staging/media/mn88473/mn88473.c464
-rw-r--r--drivers/staging/media/mn88473/mn88473_priv.h36
6 files changed, 515 insertions, 0 deletions
diff --git a/drivers/staging/media/Kconfig b/drivers/staging/media/Kconfig
index c2e675a..273c44c 100644
--- a/drivers/staging/media/Kconfig
+++ b/drivers/staging/media/Kconfig
@@ -29,6 +29,8 @@ source "drivers/staging/media/dt3155v4l/Kconfig"
source "drivers/staging/media/mn88472/Kconfig"
+source "drivers/staging/media/mn88473/Kconfig"
+
source "drivers/staging/media/omap24xx/Kconfig"
source "drivers/staging/media/omap4iss/Kconfig"
diff --git a/drivers/staging/media/Makefile b/drivers/staging/media/Makefile
index e174c57..bb21800 100644
--- a/drivers/staging/media/Makefile
+++ b/drivers/staging/media/Makefile
@@ -7,4 +7,5 @@ obj-$(CONFIG_VIDEO_OMAP4) += omap4iss/
obj-$(CONFIG_VIDEO_OMAP2) += omap24xx/
obj-$(CONFIG_VIDEO_TCM825X) += omap24xx/
obj-$(CONFIG_DVB_MN88472) += mn88472/
+obj-$(CONFIG_DVB_MN88473) += mn88473/
diff --git a/drivers/staging/media/mn88473/Kconfig b/drivers/staging/media/mn88473/Kconfig
new file mode 100644
index 0000000..6c9ebf5
--- /dev/null
+++ b/drivers/staging/media/mn88473/Kconfig
@@ -0,0 +1,7 @@
+config DVB_MN88473
+ tristate "Panasonic MN88473"
+ depends on DVB_CORE && I2C
+ select REGMAP_I2C
+ default m if !MEDIA_SUBDRV_AUTOSELECT
+ help
+ Say Y when you want to support this frontend.
diff --git a/drivers/staging/media/mn88473/Makefile b/drivers/staging/media/mn88473/Makefile
new file mode 100644
index 0000000..fac5541
--- /dev/null
+++ b/drivers/staging/media/mn88473/Makefile
@@ -0,0 +1,5 @@
+obj-$(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/mn88473.c b/drivers/staging/media/mn88473/mn88473.c
new file mode 100644
index 0000000..1659335
--- /dev/null
+++ b/drivers/staging/media/mn88473/mn88473.c
@@ -0,0 +1,464 @@
+/*
+ * 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;
+ 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;
+ }
+
+ switch (c->delivery_system) {
+ case SYS_DVBT:
+ case SYS_DVBT2:
+ if (c->bandwidth_hz <= 6000000) {
+ /* IF 3570000 Hz, BW 6000000 Hz */
+ memcpy(if_val, "\x24\x8e\x8a", 3);
+ memcpy(bw_val, "\xe9\x55\x55\x1c\x29\x1c\x29", 7);
+ } else if (c->bandwidth_hz <= 7000000) {
+ /* IF 4570000 Hz, BW 7000000 Hz */
+ memcpy(if_val, "\x2e\xcb\xfb", 3);
+ memcpy(bw_val, "\xc8\x00\x00\x17\x0a\x17\x0a", 7);
+ } else if (c->bandwidth_hz <= 8000000) {
+ /* IF 4570000 Hz, BW 8000000 Hz */
+ memcpy(if_val, "\x2e\xcb\xfb", 3);
+ memcpy(bw_val, "\xaf\x00\x00\x11\xec\x11\xec", 7);
+ } else {
+ ret = -EINVAL;
+ goto err;
+ }
+ break;
+ case SYS_DVBC_ANNEX_A:
+ /* IF 5070000 Hz, BW 8000000 Hz */
+ memcpy(if_val, "\x33\xea\xb3", 3);
+ memcpy(bw_val, "\xaf\x00\x00\x11\xec\x11\xec", 7);
+ 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);
+ } else {
+ if_frequency = 0;
+ }
+
+ 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], 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, fe_status_t *status)
+{
+ struct i2c_client *client = fe->demodulator_priv;
+ struct mn88473_dev *dev = i2c_get_clientdata(client);
+ int ret;
+
+ *status = 0;
+
+ if (!dev->warm) {
+ ret = -EAGAIN;
+ goto err;
+ }
+
+ *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;
+
+ dev_dbg(&client->dev, "\n");
+
+ if (dev->warm)
+ return 0;
+
+ /* 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 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",
+ .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;
+ 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, &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 = {
+ .owner = THIS_MODULE,
+ .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");
+MODULE_FIRMWARE(MN88473_FIRMWARE);
diff --git a/drivers/staging/media/mn88473/mn88473_priv.h b/drivers/staging/media/mn88473/mn88473_priv.h
new file mode 100644
index 0000000..78af112
--- /dev/null
+++ b/drivers/staging/media/mn88473/mn88473_priv.h
@@ -0,0 +1,36 @@
+/*
+ * 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 "dvb-demod-mn88473-01.fw"
+
+struct mn88473_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

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