[media] mn88473: move to staging
authorAntti Palosaari <crope@iki.fi>
Wed, 12 Nov 2014 03:51:44 +0000 (00:51 -0300)
committerMauro Carvalho Chehab <mchehab@osg.samsung.com>
Fri, 14 Nov 2014 19:26:05 +0000 (17:26 -0200)
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>
drivers/media/dvb-frontends/Kconfig
drivers/media/dvb-frontends/Makefile
drivers/media/dvb-frontends/mn88473.c [deleted file]
drivers/media/dvb-frontends/mn88473_priv.h [deleted file]
drivers/staging/media/Kconfig
drivers/staging/media/Makefile
drivers/staging/media/mn88473/Kconfig [new file with mode: 0644]
drivers/staging/media/mn88473/Makefile [new file with mode: 0644]
drivers/staging/media/mn88473/mn88473.c [new file with mode: 0644]
drivers/staging/media/mn88473/mn88473_priv.h [new file with mode: 0644]

index e60614b476a1b8942304233fdf08c73c80dfe263..6c75418222e221dd3cc775379a6eb1527148ab2c 100644 (file)
@@ -471,14 +471,6 @@ config DVB_SI2168
        help
          Say Y when you want to support this frontend.
 
-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.
-
 config DVB_AS102_FE
        tristate
        depends on DVB_CORE
index 8be6eb0d440d7dbff8476fc1b8407c6e02e5c9fc..ba59df63d05082062ca03bb2f4ca6ffe2418e7b0 100644 (file)
@@ -113,7 +113,6 @@ obj-$(CONFIG_DVB_RTL2830) += rtl2830.o
 obj-$(CONFIG_DVB_RTL2832) += rtl2832.o
 obj-$(CONFIG_DVB_RTL2832_SDR) += rtl2832_sdr.o
 obj-$(CONFIG_DVB_M88RS2000) += m88rs2000.o
-obj-$(CONFIG_DVB_MN88473) += mn88473.o
 obj-$(CONFIG_DVB_AF9033) += af9033.o
 obj-$(CONFIG_DVB_AS102_FE) += as102_fe.o
 obj-$(CONFIG_DVB_TC90522) += tc90522.o
diff --git a/drivers/media/dvb-frontends/mn88473.c b/drivers/media/dvb-frontends/mn88473.c
deleted file mode 100644 (file)
index 1659335..0000000
+++ /dev/null
@@ -1,464 +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;
-       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/media/dvb-frontends/mn88473_priv.h b/drivers/media/dvb-frontends/mn88473_priv.h
deleted file mode 100644 (file)
index 78af112..0000000
+++ /dev/null
@@ -1,36 +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 "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
index c2e675aa22c5697055ffd78da3e3f05a03503258..273c44c41a336fe8618f184fdb21f5a4c9a8dcfb 100644 (file)
@@ -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"
index e174c57331e1fdf6a1986f83953942e59baba9a9..bb2180083b22086bb8ba3a33804a3d9f4c791eda 100644 (file)
@@ -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 (file)
index 0000000..6c9ebf5
--- /dev/null
@@ -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 (file)
index 0000000..fac5541
--- /dev/null
@@ -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 (file)
index 0000000..1659335
--- /dev/null
@@ -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 (file)
index 0000000..78af112
--- /dev/null
@@ -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