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1 | // SPDX-License-Identifier: GPL-2.0-or-later | |
2 | /* | |
3 | Mantis VP-1034 driver | |
4 | ||
5 | Copyright (C) Manu Abraham (abraham.manu@gmail.com) | |
6 | ||
7 | */ | |
8 | ||
9 | #include <linux/signal.h> | |
10 | #include <linux/sched.h> | |
11 | #include <linux/interrupt.h> | |
12 | #include <asm/io.h> | |
13 | ||
14 | #include <media/dmxdev.h> | |
15 | #include <media/dvbdev.h> | |
16 | #include <media/dvb_demux.h> | |
17 | #include <media/dvb_frontend.h> | |
18 | #include <media/dvb_net.h> | |
19 | ||
20 | #include "mb86a16.h" | |
21 | #include "mantis_common.h" | |
22 | #include "mantis_ioc.h" | |
23 | #include "mantis_dvb.h" | |
24 | #include "mantis_vp1034.h" | |
25 | #include "mantis_reg.h" | |
26 | ||
27 | static const struct mb86a16_config vp1034_mb86a16_config = { | |
28 | .demod_address = 0x08, | |
29 | .set_voltage = vp1034_set_voltage, | |
30 | }; | |
31 | ||
32 | #define MANTIS_MODEL_NAME "VP-1034" | |
33 | #define MANTIS_DEV_TYPE "DVB-S/DSS" | |
34 | ||
35 | int vp1034_set_voltage(struct dvb_frontend *fe, enum fe_sec_voltage voltage) | |
36 | { | |
37 | struct mantis_pci *mantis = fe->dvb->priv; | |
38 | ||
39 | switch (voltage) { | |
40 | case SEC_VOLTAGE_13: | |
41 | dprintk(MANTIS_ERROR, 1, "Polarization=[13V]"); | |
42 | mantis_gpio_set_bits(mantis, 13, 1); | |
43 | mantis_gpio_set_bits(mantis, 14, 0); | |
44 | break; | |
45 | case SEC_VOLTAGE_18: | |
46 | dprintk(MANTIS_ERROR, 1, "Polarization=[18V]"); | |
47 | mantis_gpio_set_bits(mantis, 13, 1); | |
48 | mantis_gpio_set_bits(mantis, 14, 1); | |
49 | break; | |
50 | case SEC_VOLTAGE_OFF: | |
51 | dprintk(MANTIS_ERROR, 1, "Frontend (dummy) POWERDOWN"); | |
52 | break; | |
53 | default: | |
54 | dprintk(MANTIS_ERROR, 1, "Invalid = (%d)", (u32) voltage); | |
55 | return -EINVAL; | |
56 | } | |
57 | mmwrite(0x00, MANTIS_GPIF_DOUT); | |
58 | ||
59 | return 0; | |
60 | } | |
61 | ||
62 | static int vp1034_frontend_init(struct mantis_pci *mantis, struct dvb_frontend *fe) | |
63 | { | |
64 | struct i2c_adapter *adapter = &mantis->adapter; | |
65 | ||
66 | int err = 0; | |
67 | ||
68 | err = mantis_frontend_power(mantis, POWER_ON); | |
69 | if (err == 0) { | |
70 | mantis_frontend_soft_reset(mantis); | |
71 | msleep(250); | |
72 | ||
73 | dprintk(MANTIS_ERROR, 1, "Probing for MB86A16 (DVB-S/DSS)"); | |
74 | fe = dvb_attach(mb86a16_attach, &vp1034_mb86a16_config, adapter); | |
75 | if (fe) { | |
76 | dprintk(MANTIS_ERROR, 1, | |
77 | "found MB86A16 DVB-S/DSS frontend @0x%02x", | |
78 | vp1034_mb86a16_config.demod_address); | |
79 | ||
80 | } else { | |
81 | return -1; | |
82 | } | |
83 | } else { | |
84 | dprintk(MANTIS_ERROR, 1, "Frontend on <%s> POWER ON failed! <%d>", | |
85 | adapter->name, | |
86 | err); | |
87 | ||
88 | return -EIO; | |
89 | } | |
90 | mantis->fe = fe; | |
91 | dprintk(MANTIS_ERROR, 1, "Done!"); | |
92 | ||
93 | return 0; | |
94 | } | |
95 | ||
96 | struct mantis_hwconfig vp1034_config = { | |
97 | .model_name = MANTIS_MODEL_NAME, | |
98 | .dev_type = MANTIS_DEV_TYPE, | |
99 | .ts_size = MANTIS_TS_204, | |
100 | ||
101 | .baud_rate = MANTIS_BAUD_9600, | |
102 | .parity = MANTIS_PARITY_NONE, | |
103 | .bytes = 0, | |
104 | ||
105 | .frontend_init = vp1034_frontend_init, | |
106 | .power = GPIF_A12, | |
107 | .reset = GPIF_A13, | |
108 | }; |