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, bitpos: 13, value: 1); |
43 | mantis_gpio_set_bits(mantis, bitpos: 14, value: 0); |
44 | break; |
45 | case SEC_VOLTAGE_18: |
46 | dprintk(MANTIS_ERROR, 1, "Polarization=[18V]" ); |
47 | mantis_gpio_set_bits(mantis, bitpos: 13, value: 1); |
48 | mantis_gpio_set_bits(mantis, bitpos: 14, value: 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: POWER_ON); |
69 | if (err == 0) { |
70 | mantis_frontend_soft_reset(mantis); |
71 | msleep(msecs: 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 | }; |
109 | |