diff options
Diffstat (limited to 'drivers/media/dvb/frontends')
-rw-r--r-- | drivers/media/dvb/frontends/Kconfig | 8 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/Makefile | 1 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/lg_h06xf.h | 64 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/lgh06xf.c | 139 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/lgh06xf.h | 35 |
5 files changed, 183 insertions, 64 deletions
diff --git a/drivers/media/dvb/frontends/Kconfig b/drivers/media/dvb/frontends/Kconfig index 7279e587e14f..af314bb1dcac 100644 --- a/drivers/media/dvb/frontends/Kconfig +++ b/drivers/media/dvb/frontends/Kconfig | |||
@@ -297,6 +297,14 @@ config DVB_TUNER_MT2060 | |||
297 | help | 297 | help |
298 | A driver for the silicon IF tuner MT2060 from Microtune. | 298 | A driver for the silicon IF tuner MT2060 from Microtune. |
299 | 299 | ||
300 | config DVB_TUNER_LGH06XF | ||
301 | tristate "LG TDVS-H06xF ATSC tuner" | ||
302 | depends on DVB_CORE && I2C | ||
303 | select DVB_PLL | ||
304 | default m if DVB_FE_CUSTOMISE | ||
305 | help | ||
306 | A driver for the LG TDVS-H06xF ATSC tuner family. | ||
307 | |||
300 | comment "Miscellaneous devices" | 308 | comment "Miscellaneous devices" |
301 | depends on DVB_CORE | 309 | depends on DVB_CORE |
302 | 310 | ||
diff --git a/drivers/media/dvb/frontends/Makefile b/drivers/media/dvb/frontends/Makefile index 593152ecf7ee..3fa6e5d32a9c 100644 --- a/drivers/media/dvb/frontends/Makefile +++ b/drivers/media/dvb/frontends/Makefile | |||
@@ -39,3 +39,4 @@ obj-$(CONFIG_DVB_TDA10086) += tda10086.o | |||
39 | obj-$(CONFIG_DVB_TDA826X) += tda826x.o | 39 | obj-$(CONFIG_DVB_TDA826X) += tda826x.o |
40 | obj-$(CONFIG_DVB_TUNER_MT2060) += mt2060.o | 40 | obj-$(CONFIG_DVB_TUNER_MT2060) += mt2060.o |
41 | obj-$(CONFIG_DVB_TUA6100) += tua6100.o | 41 | obj-$(CONFIG_DVB_TUA6100) += tua6100.o |
42 | obj-$(CONFIG_DVB_TUNER_LGH06XF) += lgh06xf.o | ||
diff --git a/drivers/media/dvb/frontends/lg_h06xf.h b/drivers/media/dvb/frontends/lg_h06xf.h deleted file mode 100644 index 754d51d11120..000000000000 --- a/drivers/media/dvb/frontends/lg_h06xf.h +++ /dev/null | |||
@@ -1,64 +0,0 @@ | |||
1 | /* | ||
2 | * lg_h06xf.h - ATSC Tuner support for LG TDVS-H06xF | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify | ||
5 | * it under the terms of the GNU General Public License as published by | ||
6 | * the Free Software Foundation; either version 2 of the License, or | ||
7 | * (at your option) any later version. | ||
8 | * | ||
9 | * This program is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | * GNU General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License | ||
15 | * along with this program; if not, write to the Free Software | ||
16 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
17 | */ | ||
18 | |||
19 | #ifndef _LG_H06XF_H_ | ||
20 | #define _LG_H06XF_H_ | ||
21 | #include "dvb-pll.h" | ||
22 | |||
23 | static int lg_h06xf_pll_set(struct dvb_frontend* fe, struct i2c_adapter* i2c_adap, | ||
24 | struct dvb_frontend_parameters* params) | ||
25 | { | ||
26 | u8 buf[4]; | ||
27 | struct i2c_msg msg = { .addr = 0x61, .flags = 0, | ||
28 | .buf = buf, .len = sizeof(buf) }; | ||
29 | int err; | ||
30 | |||
31 | dvb_pll_configure(&dvb_pll_lg_tdvs_h06xf, buf, params->frequency, 0); | ||
32 | if (fe->ops.i2c_gate_ctrl) | ||
33 | fe->ops.i2c_gate_ctrl(fe, 1); | ||
34 | if ((err = i2c_transfer(i2c_adap, &msg, 1)) != 1) { | ||
35 | printk(KERN_WARNING "lg_h06xf: %s error " | ||
36 | "(addr %02x <- %02x, err = %i)\n", | ||
37 | __FUNCTION__, buf[0], buf[1], err); | ||
38 | if (err < 0) | ||
39 | return err; | ||
40 | else | ||
41 | return -EREMOTEIO; | ||
42 | } | ||
43 | |||
44 | /* Set the Auxiliary Byte. */ | ||
45 | buf[0] = buf[2]; | ||
46 | buf[0] &= ~0x20; | ||
47 | buf[0] |= 0x18; | ||
48 | buf[1] = 0x50; | ||
49 | msg.len = 2; | ||
50 | if (fe->ops.i2c_gate_ctrl) | ||
51 | fe->ops.i2c_gate_ctrl(fe, 1); | ||
52 | if ((err = i2c_transfer(i2c_adap, &msg, 1)) != 1) { | ||
53 | printk(KERN_WARNING "lg_h06xf: %s error " | ||
54 | "(addr %02x <- %02x, err = %i)\n", | ||
55 | __FUNCTION__, buf[0], buf[1], err); | ||
56 | if (err < 0) | ||
57 | return err; | ||
58 | else | ||
59 | return -EREMOTEIO; | ||
60 | } | ||
61 | |||
62 | return 0; | ||
63 | } | ||
64 | #endif | ||
diff --git a/drivers/media/dvb/frontends/lgh06xf.c b/drivers/media/dvb/frontends/lgh06xf.c new file mode 100644 index 000000000000..badbea8ad821 --- /dev/null +++ b/drivers/media/dvb/frontends/lgh06xf.c | |||
@@ -0,0 +1,139 @@ | |||
1 | /* | ||
2 | * lgh06xf.c - ATSC Tuner support for LG TDVS-H06xF | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify | ||
5 | * it under the terms of the GNU General Public License as published by | ||
6 | * the Free Software Foundation; either version 2 of the License, or | ||
7 | * (at your option) any later version. | ||
8 | * | ||
9 | * This program is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | * GNU General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License | ||
15 | * along with this program; if not, write to the Free Software | ||
16 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
17 | */ | ||
18 | |||
19 | #include "dvb-pll.h" | ||
20 | #include "lgh06xf.h" | ||
21 | |||
22 | #define LG_H06XF_PLL_I2C_ADDR 0x61 | ||
23 | |||
24 | struct lgh06xf_priv { | ||
25 | struct i2c_adapter *i2c; | ||
26 | u32 frequency; | ||
27 | }; | ||
28 | |||
29 | static int lgh06xf_release(struct dvb_frontend *fe) | ||
30 | { | ||
31 | kfree(fe->tuner_priv); | ||
32 | fe->tuner_priv = NULL; | ||
33 | return 0; | ||
34 | } | ||
35 | |||
36 | static int lgh06xf_set_params(struct dvb_frontend* fe, | ||
37 | struct dvb_frontend_parameters* params) | ||
38 | { | ||
39 | struct lgh06xf_priv *priv = fe->tuner_priv; | ||
40 | u8 buf[4]; | ||
41 | struct i2c_msg msg = { .addr = LG_H06XF_PLL_I2C_ADDR, .flags = 0, | ||
42 | .buf = buf, .len = sizeof(buf) }; | ||
43 | u32 div; | ||
44 | int i; | ||
45 | int err; | ||
46 | |||
47 | dvb_pll_configure(&dvb_pll_lg_tdvs_h06xf, buf, params->frequency, 0); | ||
48 | if (fe->ops.i2c_gate_ctrl) | ||
49 | fe->ops.i2c_gate_ctrl(fe, 1); | ||
50 | if ((err = i2c_transfer(priv->i2c, &msg, 1)) != 1) { | ||
51 | printk(KERN_WARNING "lgh06xf: %s error " | ||
52 | "(addr %02x <- %02x, err = %i)\n", | ||
53 | __FUNCTION__, buf[0], buf[1], err); | ||
54 | if (err < 0) | ||
55 | return err; | ||
56 | else | ||
57 | return -EREMOTEIO; | ||
58 | } | ||
59 | |||
60 | /* Set the Auxiliary Byte. */ | ||
61 | buf[0] = buf[2]; | ||
62 | buf[0] &= ~0x20; | ||
63 | buf[0] |= 0x18; | ||
64 | buf[1] = 0x50; | ||
65 | msg.len = 2; | ||
66 | if (fe->ops.i2c_gate_ctrl) | ||
67 | fe->ops.i2c_gate_ctrl(fe, 1); | ||
68 | if ((err = i2c_transfer(priv->i2c, &msg, 1)) != 1) { | ||
69 | printk(KERN_WARNING "lgh06xf: %s error " | ||
70 | "(addr %02x <- %02x, err = %i)\n", | ||
71 | __FUNCTION__, buf[0], buf[1], err); | ||
72 | if (err < 0) | ||
73 | return err; | ||
74 | else | ||
75 | return -EREMOTEIO; | ||
76 | } | ||
77 | |||
78 | // calculate the frequency we set it to | ||
79 | for (i = 0; i < dvb_pll_lg_tdvs_h06xf.count; i++) { | ||
80 | if (params->frequency > dvb_pll_lg_tdvs_h06xf.entries[i].limit) | ||
81 | continue; | ||
82 | break; | ||
83 | } | ||
84 | div = (params->frequency + dvb_pll_lg_tdvs_h06xf.entries[i].offset) / | ||
85 | dvb_pll_lg_tdvs_h06xf.entries[i].stepsize; | ||
86 | priv->frequency = (div * dvb_pll_lg_tdvs_h06xf.entries[i].stepsize) - | ||
87 | dvb_pll_lg_tdvs_h06xf.entries[i].offset; | ||
88 | |||
89 | return 0; | ||
90 | } | ||
91 | |||
92 | static int lgh06xf_get_frequency(struct dvb_frontend *fe, u32 *frequency) | ||
93 | { | ||
94 | struct lgh06xf_priv *priv = fe->tuner_priv; | ||
95 | *frequency = priv->frequency; | ||
96 | return 0; | ||
97 | } | ||
98 | |||
99 | static struct dvb_tuner_ops lgh06xf_tuner_ops = { | ||
100 | .release = lgh06xf_release, | ||
101 | .set_params = lgh06xf_set_params, | ||
102 | .get_frequency = lgh06xf_get_frequency, | ||
103 | }; | ||
104 | |||
105 | struct dvb_frontend* lgh06xf_attach(struct dvb_frontend *fe, | ||
106 | struct i2c_adapter *i2c) | ||
107 | { | ||
108 | struct lgh06xf_priv *priv = NULL; | ||
109 | |||
110 | priv = kzalloc(sizeof(struct lgh06xf_priv), GFP_KERNEL); | ||
111 | if (priv == NULL) | ||
112 | return NULL; | ||
113 | |||
114 | priv->i2c = i2c; | ||
115 | |||
116 | memcpy(&fe->ops.tuner_ops, &lgh06xf_tuner_ops, | ||
117 | sizeof(struct dvb_tuner_ops)); | ||
118 | |||
119 | strlcpy(fe->ops.tuner_ops.info.name, dvb_pll_lg_tdvs_h06xf.name, | ||
120 | sizeof(fe->ops.tuner_ops.info.name)); | ||
121 | |||
122 | fe->ops.tuner_ops.info.frequency_min = dvb_pll_lg_tdvs_h06xf.min; | ||
123 | fe->ops.tuner_ops.info.frequency_max = dvb_pll_lg_tdvs_h06xf.max; | ||
124 | |||
125 | fe->tuner_priv = priv; | ||
126 | return fe; | ||
127 | } | ||
128 | |||
129 | EXPORT_SYMBOL(lgh06xf_attach); | ||
130 | |||
131 | MODULE_DESCRIPTION("LG TDVS-H06xF ATSC Tuner support"); | ||
132 | MODULE_AUTHOR("Michael Krufky"); | ||
133 | MODULE_LICENSE("GPL"); | ||
134 | |||
135 | /* | ||
136 | * Local variables: | ||
137 | * c-basic-offset: 8 | ||
138 | * End: | ||
139 | */ | ||
diff --git a/drivers/media/dvb/frontends/lgh06xf.h b/drivers/media/dvb/frontends/lgh06xf.h new file mode 100644 index 000000000000..41c41fc59be1 --- /dev/null +++ b/drivers/media/dvb/frontends/lgh06xf.h | |||
@@ -0,0 +1,35 @@ | |||
1 | /* | ||
2 | * lgh06xf.h - ATSC Tuner support for LG TDVS-H06xF | ||
3 | * | ||
4 | * This program is free software; you can redistribute it and/or modify | ||
5 | * it under the terms of the GNU General Public License as published by | ||
6 | * the Free Software Foundation; either version 2 of the License, or | ||
7 | * (at your option) any later version. | ||
8 | * | ||
9 | * This program is distributed in the hope that it will be useful, | ||
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
12 | * GNU General Public License for more details. | ||
13 | * | ||
14 | * You should have received a copy of the GNU General Public License | ||
15 | * along with this program; if not, write to the Free Software | ||
16 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | ||
17 | */ | ||
18 | |||
19 | #ifndef _LGH06XF_H_ | ||
20 | #define _LGH06XF_H_ | ||
21 | #include "dvb_frontend.h" | ||
22 | |||
23 | #if defined(CONFIG_DVB_TUNER_LGH06XF) || (defined(CONFIG_DVB_TUNER_LGH06XF_MODULE) && defined(MODULE)) | ||
24 | extern struct dvb_frontend* lgh06xf_attach(struct dvb_frontend* fe, | ||
25 | struct i2c_adapter *i2c); | ||
26 | #else | ||
27 | static inline struct dvb_frontend* lgh06xf_attach(struct dvb_frontend* fe, | ||
28 | struct i2c_adapter *i2c); | ||
29 | { | ||
30 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__); | ||
31 | return NULL; | ||
32 | } | ||
33 | #endif /* CONFIG_DVB_TUNER_LGH06XF */ | ||
34 | |||
35 | #endif /* _LGH06XF_H_ */ | ||