diff options
-rw-r--r-- | drivers/media/tuners/Kconfig | 7 | ||||
-rw-r--r-- | drivers/media/tuners/Makefile | 1 | ||||
-rw-r--r-- | drivers/media/tuners/m88ts2022.c | 664 | ||||
-rw-r--r-- | drivers/media/tuners/m88ts2022.h | 72 | ||||
-rw-r--r-- | drivers/media/tuners/m88ts2022_priv.h | 38 |
5 files changed, 782 insertions, 0 deletions
diff --git a/drivers/media/tuners/Kconfig b/drivers/media/tuners/Kconfig index 15665debc572..ba2e365296cf 100644 --- a/drivers/media/tuners/Kconfig +++ b/drivers/media/tuners/Kconfig @@ -215,6 +215,13 @@ config MEDIA_TUNER_FC2580 help FCI FC2580 silicon tuner driver. +config MEDIA_TUNER_M88TS2022 + tristate "Montage M88TS2022 silicon tuner" + depends on MEDIA_SUPPORT && I2C + default m if !MEDIA_SUBDRV_AUTOSELECT + help + Montage M88TS2022 silicon tuner driver. + config MEDIA_TUNER_TUA9001 tristate "Infineon TUA 9001 silicon tuner" depends on MEDIA_SUPPORT && I2C diff --git a/drivers/media/tuners/Makefile b/drivers/media/tuners/Makefile index 308f108eadba..efe82a904b12 100644 --- a/drivers/media/tuners/Makefile +++ b/drivers/media/tuners/Makefile @@ -31,6 +31,7 @@ obj-$(CONFIG_MEDIA_TUNER_TDA18212) += tda18212.o obj-$(CONFIG_MEDIA_TUNER_E4000) += e4000.o obj-$(CONFIG_MEDIA_TUNER_FC2580) += fc2580.o obj-$(CONFIG_MEDIA_TUNER_TUA9001) += tua9001.o +obj-$(CONFIG_MEDIA_TUNER_M88TS2022) += m88ts2022.o obj-$(CONFIG_MEDIA_TUNER_FC0011) += fc0011.o obj-$(CONFIG_MEDIA_TUNER_FC0012) += fc0012.o obj-$(CONFIG_MEDIA_TUNER_FC0013) += fc0013.o diff --git a/drivers/media/tuners/m88ts2022.c b/drivers/media/tuners/m88ts2022.c new file mode 100644 index 000000000000..0625e36d0a92 --- /dev/null +++ b/drivers/media/tuners/m88ts2022.c @@ -0,0 +1,664 @@ +/* + * Montage M88TS2022 silicon tuner 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. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Some calculations are taken from existing TS2020 driver. + */ + +#include "m88ts2022_priv.h" + +/* write multiple registers */ +static int m88ts2022_wr_regs(struct m88ts2022_priv *priv, + u8 reg, const u8 *val, int len) +{ + int ret; + u8 buf[1 + len]; + struct i2c_msg msg[1] = { + { + .addr = priv->cfg->i2c_addr, + .flags = 0, + .len = sizeof(buf), + .buf = buf, + } + }; + + buf[0] = reg; + memcpy(&buf[1], val, len); + + ret = i2c_transfer(priv->i2c, msg, 1); + if (ret == 1) { + ret = 0; + } else { + dev_warn(&priv->i2c->dev, + "%s: i2c wr failed=%d reg=%02x len=%d\n", + KBUILD_MODNAME, ret, reg, len); + ret = -EREMOTEIO; + } + + return ret; +} + +/* read multiple registers */ +static int m88ts2022_rd_regs(struct m88ts2022_priv *priv, u8 reg, + u8 *val, int len) +{ + int ret; + u8 buf[len]; + struct i2c_msg msg[2] = { + { + .addr = priv->cfg->i2c_addr, + .flags = 0, + .len = 1, + .buf = ®, + }, { + .addr = priv->cfg->i2c_addr, + .flags = I2C_M_RD, + .len = sizeof(buf), + .buf = buf, + } + }; + + ret = i2c_transfer(priv->i2c, msg, 2); + if (ret == 2) { + memcpy(val, buf, len); + ret = 0; + } else { + dev_warn(&priv->i2c->dev, + "%s: i2c rd failed=%d reg=%02x len=%d\n", + KBUILD_MODNAME, ret, reg, len); + ret = -EREMOTEIO; + } + + return ret; +} + +/* write single register */ +static int m88ts2022_wr_reg(struct m88ts2022_priv *priv, u8 reg, u8 val) +{ + return m88ts2022_wr_regs(priv, reg, &val, 1); +} + +/* read single register */ +static int m88ts2022_rd_reg(struct m88ts2022_priv *priv, u8 reg, u8 *val) +{ + return m88ts2022_rd_regs(priv, reg, val, 1); +} + +/* write single register with mask */ +static int m88ts2022_wr_reg_mask(struct m88ts2022_priv *priv, + u8 reg, u8 val, u8 mask) +{ + int ret; + u8 u8tmp; + + /* no need for read if whole reg is written */ + if (mask != 0xff) { + ret = m88ts2022_rd_regs(priv, reg, &u8tmp, 1); + if (ret) + return ret; + + val &= mask; + u8tmp &= ~mask; + val |= u8tmp; + } + + return m88ts2022_wr_regs(priv, reg, &val, 1); +} + +static int m88ts2022_cmd(struct dvb_frontend *fe, + int op, int sleep, u8 reg, u8 mask, u8 val, u8 *reg_val) +{ + struct m88ts2022_priv *priv = fe->tuner_priv; + int ret, i; + u8 u8tmp; + struct m88ts2022_reg_val reg_vals[] = { + {0x51, 0x1f - op}, + {0x51, 0x1f}, + {0x50, 0x00 + op}, + {0x50, 0x00}, + }; + + for (i = 0; i < 2; i++) { + dev_dbg(&priv->i2c->dev, + "%s: i=%d op=%02x reg=%02x mask=%02x val=%02x\n", + __func__, i, op, reg, mask, val); + + for (i = 0; i < ARRAY_SIZE(reg_vals); i++) { + ret = m88ts2022_wr_reg(priv, reg_vals[i].reg, + reg_vals[i].val); + if (ret) + goto err; + } + + usleep_range(sleep * 1000, sleep * 10000); + + ret = m88ts2022_rd_reg(priv, reg, &u8tmp); + if (ret) + goto err; + + if ((u8tmp & mask) != val) + break; + } + + if (reg_val) + *reg_val = u8tmp; +err: + return ret; +} + +static int m88ts2022_set_params(struct dvb_frontend *fe) +{ + struct m88ts2022_priv *priv = fe->tuner_priv; + struct dtv_frontend_properties *c = &fe->dtv_property_cache; + int ret = 0, div; + u8 buf[3], u8tmp, cap_code, lpf_mxdiv, div_max, div_min; + u16 N_reg, N, K; + u32 lpf_gm, lpf_coeff, gdiv28, frequency_khz, frequency_offset; + u32 freq_3db; + dev_dbg(&priv->i2c->dev, + "%s: frequency=%d symbol_rate=%d rolloff=%d\n", + __func__, c->frequency, c->symbol_rate, c->rolloff); + + if (c->symbol_rate < 5000000) + frequency_offset = 3000000; /* 3 MHz */ + else + frequency_offset = 0; + + frequency_khz = c->frequency + (frequency_offset / 1000); + + if (frequency_khz < 1103000) { + div = 2; + u8tmp = 0x1b; + } else { + div = 1; + u8tmp = 0x0b; + } + + buf[0] = u8tmp; + buf[1] = 0x40; + ret = m88ts2022_wr_regs(priv, 0x10, buf, 2); + if (ret) + goto err; + + K = DIV_ROUND_CLOSEST((priv->cfg->clock / 2), 1000000); + N = 1ul * frequency_khz * K * div * 2 / (priv->cfg->clock / 1000); + N += N % 2; + + if (N < 4095) + N_reg = N - 1024; + else if (N < 6143) + N_reg = N + 1024; + else + N_reg = N + 3072; + + buf[0] = (N_reg >> 8) & 0x3f; + buf[1] = (N_reg >> 0) & 0xff; + buf[2] = K - 8; + ret = m88ts2022_wr_regs(priv, 0x01, buf, 3); + if (ret) + goto err; + + priv->frequency_khz = 1ul * N * (priv->cfg->clock / 1000) / K / div / 2; + + dev_dbg(&priv->i2c->dev, + "%s: frequency=%d offset=%d K=%d N=%d div=%d\n", + __func__, priv->frequency_khz, + priv->frequency_khz - c->frequency, K, N, div); + + ret = m88ts2022_cmd(fe, 0x10, 5, 0x15, 0x40, 0x00, NULL); + if (ret) + goto err; + + ret = m88ts2022_rd_reg(priv, 0x14, &u8tmp); + if (ret) + goto err; + + u8tmp &= 0x7f; + if (u8tmp < 64) { + ret = m88ts2022_wr_reg_mask(priv, 0x10, 0x80, 0x80); + if (ret) + goto err; + + ret = m88ts2022_wr_reg(priv, 0x11, 0x6f); + if (ret) + goto err; + + ret = m88ts2022_cmd(fe, 0x10, 5, 0x15, 0x40, 0x00, NULL); + if (ret) + goto err; + } + + ret = m88ts2022_rd_reg(priv, 0x14, &u8tmp); + if (ret) + goto err; + + u8tmp &= 0x1f; + if (u8tmp > 19) { + ret = m88ts2022_wr_reg_mask(priv, 0x10, 0x00, 0x02); + if (ret) + goto err; + } + + ret = m88ts2022_cmd(fe, 0x08, 5, 0x3c, 0xff, 0x00, NULL); + if (ret) + goto err; + + ret = m88ts2022_wr_reg(priv, 0x25, 0x00); + if (ret) + goto err; + + ret = m88ts2022_wr_reg(priv, 0x27, 0x70); + if (ret) + goto err; + + ret = m88ts2022_wr_reg(priv, 0x41, 0x09); + if (ret) + goto err; + + ret = m88ts2022_wr_reg(priv, 0x08, 0x0b); + if (ret) + goto err; + + gdiv28 = DIV_ROUND_CLOSEST(priv->cfg->clock / 1000000 * 1694, 1000); + + ret = m88ts2022_wr_reg(priv, 0x04, gdiv28); + if (ret) + goto err; + + ret = m88ts2022_cmd(fe, 0x04, 2, 0x26, 0xff, 0x00, &u8tmp); + if (ret) + goto err; + + cap_code = u8tmp & 0x3f; + + ret = m88ts2022_wr_reg(priv, 0x41, 0x0d); + if (ret) + goto err; + + ret = m88ts2022_cmd(fe, 0x04, 2, 0x26, 0xff, 0x00, &u8tmp); + if (ret) + goto err; + + u8tmp &= 0x3f; + cap_code = (cap_code + u8tmp) / 2; + gdiv28 = gdiv28 * 207 / (cap_code * 2 + 151); + div_max = gdiv28 * 135 / 100; + div_min = gdiv28 * 78 / 100; + if (div_max > 63) + div_max = 63; + + freq_3db = 1ul * c->symbol_rate * 135 / 200 + 2000000; + freq_3db += frequency_offset; + if (freq_3db < 7000000) + freq_3db = 7000000; + if (freq_3db > 40000000) + freq_3db = 40000000; + + lpf_coeff = 3200; + lpf_gm = DIV_ROUND_CLOSEST(freq_3db * gdiv28, lpf_coeff * + (priv->cfg->clock / 1000)); + if (lpf_gm > 23) + lpf_gm = 23; + if (lpf_gm < 1) + lpf_gm = 1; + + lpf_mxdiv = DIV_ROUND_CLOSEST(lpf_gm * lpf_coeff * + (priv->cfg->clock / 1000), freq_3db); + + if (lpf_mxdiv < div_min) { + lpf_gm++; + lpf_mxdiv = DIV_ROUND_CLOSEST(lpf_gm * lpf_coeff * + (priv->cfg->clock / 1000), freq_3db); + } + + if (lpf_mxdiv > div_max) + lpf_mxdiv = div_max; + + ret = m88ts2022_wr_reg(priv, 0x04, lpf_mxdiv); + if (ret) + goto err; + + ret = m88ts2022_wr_reg(priv, 0x06, lpf_gm); + if (ret) + goto err; + + ret = m88ts2022_cmd(fe, 0x04, 2, 0x26, 0xff, 0x00, &u8tmp); + if (ret) + goto err; + + cap_code = u8tmp & 0x3f; + + ret = m88ts2022_wr_reg(priv, 0x41, 0x09); + if (ret) + goto err; + + ret = m88ts2022_cmd(fe, 0x04, 2, 0x26, 0xff, 0x00, &u8tmp); + if (ret) + goto err; + + u8tmp &= 0x3f; + cap_code = (cap_code + u8tmp) / 2; + + u8tmp = cap_code | 0x80; + ret = m88ts2022_wr_reg(priv, 0x25, u8tmp); + if (ret) + goto err; + + ret = m88ts2022_wr_reg(priv, 0x27, 0x30); + if (ret) + goto err; + + ret = m88ts2022_wr_reg(priv, 0x08, 0x09); + if (ret) + goto err; + + ret = m88ts2022_cmd(fe, 0x01, 20, 0x21, 0xff, 0x00, NULL); + if (ret) + goto err; +err: + if (ret) + dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); + + return ret; +} + +static int m88ts2022_init(struct dvb_frontend *fe) +{ + struct m88ts2022_priv *priv = fe->tuner_priv; + int ret, i; + u8 u8tmp; + static const struct m88ts2022_reg_val reg_vals[] = { + {0x7d, 0x9d}, + {0x7c, 0x9a}, + {0x7a, 0x76}, + {0x3b, 0x01}, + {0x63, 0x88}, + {0x61, 0x85}, + {0x22, 0x30}, + {0x30, 0x40}, + {0x20, 0x23}, + {0x24, 0x02}, + {0x12, 0xa0}, + }; + dev_dbg(&priv->i2c->dev, "%s:\n", __func__); + + ret = m88ts2022_wr_reg(priv, 0x00, 0x01); + if (ret) + goto err; + + ret = m88ts2022_wr_reg(priv, 0x00, 0x03); + if (ret) + goto err; + + switch (priv->cfg->clock_out) { + case M88TS2022_CLOCK_OUT_DISABLED: + u8tmp = 0x60; + break; + case M88TS2022_CLOCK_OUT_ENABLED: + u8tmp = 0x70; + ret = m88ts2022_wr_reg(priv, 0x05, priv->cfg->clock_out_div); + if (ret) + goto err; + break; + case M88TS2022_CLOCK_OUT_ENABLED_XTALOUT: + u8tmp = 0x6c; + break; + default: + goto err; + } + + ret = m88ts2022_wr_reg(priv, 0x42, u8tmp); + if (ret) + goto err; + + if (priv->cfg->loop_through) + u8tmp = 0xec; + else + u8tmp = 0x6c; + + ret = m88ts2022_wr_reg(priv, 0x62, u8tmp); + if (ret) + goto err; + + for (i = 0; i < ARRAY_SIZE(reg_vals); i++) { + ret = m88ts2022_wr_reg(priv, reg_vals[i].reg, reg_vals[i].val); + if (ret) + goto err; + } +err: + if (ret) + dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); + return ret; +} + +static int m88ts2022_sleep(struct dvb_frontend *fe) +{ + struct m88ts2022_priv *priv = fe->tuner_priv; + int ret; + dev_dbg(&priv->i2c->dev, "%s:\n", __func__); + + ret = m88ts2022_wr_reg(priv, 0x00, 0x00); + if (ret) + goto err; +err: + if (ret) + dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); + return ret; +} + +static int m88ts2022_get_frequency(struct dvb_frontend *fe, u32 *frequency) +{ + struct m88ts2022_priv *priv = fe->tuner_priv; + dev_dbg(&priv->i2c->dev, "%s:\n", __func__); + + *frequency = priv->frequency_khz; + return 0; +} + +static int m88ts2022_get_if_frequency(struct dvb_frontend *fe, u32 *frequency) +{ + struct m88ts2022_priv *priv = fe->tuner_priv; + dev_dbg(&priv->i2c->dev, "%s:\n", __func__); + + *frequency = 0; /* Zero-IF */ + return 0; +} + +static int m88ts2022_get_rf_strength(struct dvb_frontend *fe, u16 *strength) +{ + struct m88ts2022_priv *priv = fe->tuner_priv; + u8 u8tmp, gain1, gain2, gain3; + u16 gain, u16tmp; + int ret; + + ret = m88ts2022_rd_reg(priv, 0x3d, &u8tmp); + if (ret) + goto err; + + gain1 = (u8tmp >> 0) & 0x1f; + if (gain1 > 15) + gain1 = 15; + + ret = m88ts2022_rd_reg(priv, 0x21, &u8tmp); + if (ret) + goto err; + + gain2 = (u8tmp >> 0) & 0x1f; + if (gain2 < 2) + gain2 = 2; + if (gain2 > 16) + gain2 = 16; + + ret = m88ts2022_rd_reg(priv, 0x66, &u8tmp); + if (ret) + goto err; + + gain3 = (u8tmp >> 3) & 0x07; + if (gain3 > 6) + gain3 = 6; + + gain = gain1 * 265 + gain2 * 338 + gain3 * 285; + + /* scale value to 0x0000-0xffff */ + u16tmp = (0xffff - gain); + if (u16tmp < 59000) + u16tmp = 59000; + else if (u16tmp > 61500) + u16tmp = 61500; + + *strength = (u16tmp - 59000) * 0xffff / (61500 - 59000); +err: + if (ret) + dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret); + return ret; +} + +static int m88ts2022_release(struct dvb_frontend *fe) +{ + struct m88ts2022_priv *priv = fe->tuner_priv; + dev_dbg(&priv->i2c->dev, "%s:\n", __func__); + + kfree(fe->tuner_priv); + return 0; +} + +static const struct dvb_tuner_ops m88ts2022_tuner_ops = { + .info = { + .name = "Montage M88TS2022", + .frequency_min = 950000, + .frequency_max = 2150000, + }, + + .release = m88ts2022_release, + + .init = m88ts2022_init, + .sleep = m88ts2022_sleep, + .set_params = m88ts2022_set_params, + + .get_frequency = m88ts2022_get_frequency, + .get_if_frequency = m88ts2022_get_if_frequency, + .get_rf_strength = m88ts2022_get_rf_strength, +}; + +struct dvb_frontend *m88ts2022_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c, const struct m88ts2022_config *cfg) +{ + struct m88ts2022_priv *priv; + int ret; + u8 chip_id, u8tmp; + + priv = kzalloc(sizeof(struct m88ts2022_priv), GFP_KERNEL); + if (!priv) { + ret = -ENOMEM; + dev_err(&i2c->dev, "%s: kzalloc() failed\n", KBUILD_MODNAME); + goto err; + } + + priv->cfg = cfg; + priv->i2c = i2c; + priv->fe = fe; + + /* check if the tuner is there */ + ret = m88ts2022_rd_reg(priv, 0x00, &u8tmp); + if (ret) + goto err; + + if ((u8tmp & 0x03) == 0x00) { + ret = m88ts2022_wr_reg(priv, 0x00, 0x01); + if (ret < 0) + goto err; + + usleep_range(2000, 50000); + } + + ret = m88ts2022_wr_reg(priv, 0x00, 0x03); + if (ret) + goto err; + + usleep_range(2000, 50000); + + ret = m88ts2022_rd_reg(priv, 0x00, &chip_id); + if (ret) + goto err; + + dev_dbg(&priv->i2c->dev, "%s: chip_id=%02x\n", __func__, chip_id); + + switch (chip_id) { + case 0xc3: + case 0x83: + break; + default: + goto err; + } + + switch (priv->cfg->clock_out) { + case M88TS2022_CLOCK_OUT_DISABLED: + u8tmp = 0x60; + break; + case M88TS2022_CLOCK_OUT_ENABLED: + u8tmp = 0x70; + ret = m88ts2022_wr_reg(priv, 0x05, priv->cfg->clock_out_div); + if (ret) + goto err; + break; + case M88TS2022_CLOCK_OUT_ENABLED_XTALOUT: + u8tmp = 0x6c; + break; + default: + goto err; + } + + ret = m88ts2022_wr_reg(priv, 0x42, u8tmp); + if (ret) + goto err; + + if (priv->cfg->loop_through) + u8tmp = 0xec; + else + u8tmp = 0x6c; + + ret = m88ts2022_wr_reg(priv, 0x62, u8tmp); + if (ret) + goto err; + + /* sleep */ + ret = m88ts2022_wr_reg(priv, 0x00, 0x00); + if (ret) + goto err; + + dev_info(&priv->i2c->dev, + "%s: Montage M88TS2022 successfully identified\n", + KBUILD_MODNAME); + + fe->tuner_priv = priv; + memcpy(&fe->ops.tuner_ops, &m88ts2022_tuner_ops, + sizeof(struct dvb_tuner_ops)); +err: + if (ret) { + dev_dbg(&i2c->dev, "%s: failed=%d\n", __func__, ret); + kfree(priv); + return NULL; + } + + return fe; +} +EXPORT_SYMBOL(m88ts2022_attach); + +MODULE_DESCRIPTION("Montage M88TS2022 silicon tuner driver"); +MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/tuners/m88ts2022.h b/drivers/media/tuners/m88ts2022.h new file mode 100644 index 000000000000..fa1112cad656 --- /dev/null +++ b/drivers/media/tuners/m88ts2022.h @@ -0,0 +1,72 @@ +/* + * Montage M88TS2022 silicon tuner 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. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef M88TS2022_H +#define M88TS2022_H + +#include "dvb_frontend.h" + +struct m88ts2022_config { + /* + * I2C address + * 0x60, ... + */ + u8 i2c_addr; + + /* + * clock + * 16000000 - 32000000 + */ + u32 clock; + + /* + * RF loop-through + */ + u8 loop_through:1; + + /* + * clock output + */ +#define M88TS2022_CLOCK_OUT_DISABLED 0 +#define M88TS2022_CLOCK_OUT_ENABLED 1 +#define M88TS2022_CLOCK_OUT_ENABLED_XTALOUT 2 + u8 clock_out:2; + + /* + * clock output divider + * 1 - 31 + */ + u8 clock_out_div:5; +}; + +#if defined(CONFIG_MEDIA_TUNER_M88TS2022) || \ + (defined(CONFIG_MEDIA_TUNER_M88TS2022_MODULE) && defined(MODULE)) +extern struct dvb_frontend *m88ts2022_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c, const struct m88ts2022_config *cfg); +#else +static inline struct dvb_frontend *m88ts2022_attach(struct dvb_frontend *fe, + struct i2c_adapter *i2c, const struct m88ts2022_config *cfg) +{ + pr_warn("%s: driver disabled by Kconfig\n", __func__); + return NULL; +} +#endif + +#endif diff --git a/drivers/media/tuners/m88ts2022_priv.h b/drivers/media/tuners/m88ts2022_priv.h new file mode 100644 index 000000000000..190299a95ce9 --- /dev/null +++ b/drivers/media/tuners/m88ts2022_priv.h @@ -0,0 +1,38 @@ +/* + * Montage M88TS2022 silicon tuner 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. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#ifndef M88TS2022_PRIV_H +#define M88TS2022_PRIV_H + +#include "m88ts2022.h" + +struct m88ts2022_priv { + const struct m88ts2022_config *cfg; + struct i2c_adapter *i2c; + struct dvb_frontend *fe; + u32 frequency_khz; +}; + +struct m88ts2022_reg_val { + u8 reg; + u8 val; +}; + +#endif |