1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | Mantis VP-1033 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 | |
13 | #include <media/dmxdev.h> |
14 | #include <media/dvbdev.h> |
15 | #include <media/dvb_demux.h> |
16 | #include <media/dvb_frontend.h> |
17 | #include <media/dvb_net.h> |
18 | |
19 | #include "stv0299.h" |
20 | #include "mantis_common.h" |
21 | #include "mantis_ioc.h" |
22 | #include "mantis_dvb.h" |
23 | #include "mantis_vp1033.h" |
24 | #include "mantis_reg.h" |
25 | |
26 | static u8 lgtdqcs001f_inittab[] = { |
27 | 0x01, 0x15, |
28 | 0x02, 0x30, |
29 | 0x03, 0x00, |
30 | 0x04, 0x2a, |
31 | 0x05, 0x85, |
32 | 0x06, 0x02, |
33 | 0x07, 0x00, |
34 | 0x08, 0x00, |
35 | 0x0c, 0x01, |
36 | 0x0d, 0x81, |
37 | 0x0e, 0x44, |
38 | 0x0f, 0x94, |
39 | 0x10, 0x3c, |
40 | 0x11, 0x84, |
41 | 0x12, 0xb9, |
42 | 0x13, 0xb5, |
43 | 0x14, 0x4f, |
44 | 0x15, 0xc9, |
45 | 0x16, 0x80, |
46 | 0x17, 0x36, |
47 | 0x18, 0xfb, |
48 | 0x19, 0xcf, |
49 | 0x1a, 0xbc, |
50 | 0x1c, 0x2b, |
51 | 0x1d, 0x27, |
52 | 0x1e, 0x00, |
53 | 0x1f, 0x0b, |
54 | 0x20, 0xa1, |
55 | 0x21, 0x60, |
56 | 0x22, 0x00, |
57 | 0x23, 0x00, |
58 | 0x28, 0x00, |
59 | 0x29, 0x28, |
60 | 0x2a, 0x14, |
61 | 0x2b, 0x0f, |
62 | 0x2c, 0x09, |
63 | 0x2d, 0x05, |
64 | 0x31, 0x1f, |
65 | 0x32, 0x19, |
66 | 0x33, 0xfc, |
67 | 0x34, 0x13, |
68 | 0xff, 0xff, |
69 | }; |
70 | |
71 | #define MANTIS_MODEL_NAME "VP-1033" |
72 | #define MANTIS_DEV_TYPE "DVB-S/DSS" |
73 | |
74 | static int lgtdqcs001f_tuner_set(struct dvb_frontend *fe) |
75 | { |
76 | struct dtv_frontend_properties *p = &fe->dtv_property_cache; |
77 | struct mantis_pci *mantis = fe->dvb->priv; |
78 | struct i2c_adapter *adapter = &mantis->adapter; |
79 | |
80 | u8 buf[4]; |
81 | u32 div; |
82 | |
83 | |
84 | struct i2c_msg msg = {.addr = 0x61, .flags = 0, .buf = buf, .len = sizeof(buf)}; |
85 | |
86 | div = p->frequency / 250; |
87 | |
88 | buf[0] = (div >> 8) & 0x7f; |
89 | buf[1] = div & 0xff; |
90 | buf[2] = 0x83; |
91 | buf[3] = 0xc0; |
92 | |
93 | if (p->frequency < 1531000) |
94 | buf[3] |= 0x04; |
95 | else |
96 | buf[3] &= ~0x04; |
97 | if (i2c_transfer(adap: adapter, msgs: &msg, num: 1) < 0) { |
98 | dprintk(MANTIS_ERROR, 1, "Write: I2C Transfer failed" ); |
99 | return -EIO; |
100 | } |
101 | msleep_interruptible(msecs: 100); |
102 | |
103 | return 0; |
104 | } |
105 | |
106 | static int lgtdqcs001f_set_symbol_rate(struct dvb_frontend *fe, |
107 | u32 srate, u32 ratio) |
108 | { |
109 | u8 aclk = 0; |
110 | u8 bclk = 0; |
111 | |
112 | if (srate < 1500000) { |
113 | aclk = 0xb7; |
114 | bclk = 0x47; |
115 | } else if (srate < 3000000) { |
116 | aclk = 0xb7; |
117 | bclk = 0x4b; |
118 | } else if (srate < 7000000) { |
119 | aclk = 0xb7; |
120 | bclk = 0x4f; |
121 | } else if (srate < 14000000) { |
122 | aclk = 0xb7; |
123 | bclk = 0x53; |
124 | } else if (srate < 30000000) { |
125 | aclk = 0xb6; |
126 | bclk = 0x53; |
127 | } else if (srate < 45000000) { |
128 | aclk = 0xb4; |
129 | bclk = 0x51; |
130 | } |
131 | stv0299_writereg(fe, 0x13, aclk); |
132 | stv0299_writereg(fe, 0x14, bclk); |
133 | |
134 | stv0299_writereg(fe, 0x1f, (ratio >> 16) & 0xff); |
135 | stv0299_writereg(fe, 0x20, (ratio >> 8) & 0xff); |
136 | stv0299_writereg(fe, 0x21, ratio & 0xf0); |
137 | |
138 | return 0; |
139 | } |
140 | |
141 | static struct stv0299_config lgtdqcs001f_config = { |
142 | .demod_address = 0x68, |
143 | .inittab = lgtdqcs001f_inittab, |
144 | .mclk = 88000000UL, |
145 | .invert = 0, |
146 | .skip_reinit = 0, |
147 | .volt13_op0_op1 = STV0299_VOLT13_OP0, |
148 | .min_delay_ms = 100, |
149 | .set_symbol_rate = lgtdqcs001f_set_symbol_rate, |
150 | }; |
151 | |
152 | static int vp1033_frontend_init(struct mantis_pci *mantis, struct dvb_frontend *fe) |
153 | { |
154 | struct i2c_adapter *adapter = &mantis->adapter; |
155 | |
156 | int err = 0; |
157 | |
158 | err = mantis_frontend_power(mantis, power: POWER_ON); |
159 | if (err == 0) { |
160 | mantis_frontend_soft_reset(mantis); |
161 | msleep(msecs: 250); |
162 | |
163 | dprintk(MANTIS_ERROR, 1, "Probing for STV0299 (DVB-S)" ); |
164 | fe = dvb_attach(stv0299_attach, &lgtdqcs001f_config, adapter); |
165 | |
166 | if (fe) { |
167 | fe->ops.tuner_ops.set_params = lgtdqcs001f_tuner_set; |
168 | dprintk(MANTIS_ERROR, 1, "found STV0299 DVB-S frontend @ 0x%02x" , |
169 | lgtdqcs001f_config.demod_address); |
170 | |
171 | dprintk(MANTIS_ERROR, 1, "Mantis DVB-S STV0299 frontend attach success" ); |
172 | } else { |
173 | return -1; |
174 | } |
175 | } else { |
176 | dprintk(MANTIS_ERROR, 1, "Frontend on <%s> POWER ON failed! <%d>" , |
177 | adapter->name, |
178 | err); |
179 | |
180 | return -EIO; |
181 | } |
182 | mantis->fe = fe; |
183 | dprintk(MANTIS_ERROR, 1, "Done!" ); |
184 | |
185 | return 0; |
186 | } |
187 | |
188 | struct mantis_hwconfig vp1033_config = { |
189 | .model_name = MANTIS_MODEL_NAME, |
190 | .dev_type = MANTIS_DEV_TYPE, |
191 | .ts_size = MANTIS_TS_204, |
192 | |
193 | .baud_rate = MANTIS_BAUD_9600, |
194 | .parity = MANTIS_PARITY_NONE, |
195 | .bytes = 0, |
196 | |
197 | .frontend_init = vp1033_frontend_init, |
198 | .power = GPIF_A12, |
199 | .reset = GPIF_A13, |
200 | }; |
201 | |