Commit | Line | Data |
---|---|---|
b3b96144 MA |
1 | /* |
2 | Mantis PCI bridge driver | |
3 | ||
8825a097 | 4 | Copyright (C) Manu Abraham (abraham.manu@gmail.com) |
b3b96144 MA |
5 | |
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
8 | the Free Software Foundation; either version 2 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
19 | */ | |
20 | ||
21 | #include <linux/kernel.h> | |
22 | #include <linux/i2c.h> | |
23 | ||
b3b96144 MA |
24 | #include <linux/signal.h> |
25 | #include <linux/sched.h> | |
26 | #include <linux/interrupt.h> | |
27 | ||
28 | #include "dmxdev.h" | |
29 | #include "dvbdev.h" | |
30 | #include "dvb_demux.h" | |
31 | #include "dvb_frontend.h" | |
32 | #include "dvb_net.h" | |
33 | ||
34 | #include "mantis_common.h" | |
35 | #include "mantis_reg.h" | |
36 | #include "mantis_ioc.h" | |
37 | ||
3e978a82 | 38 | static int read_eeprom_bytes(struct mantis_pci *mantis, u8 reg, u8 *data, u8 length) |
b3b96144 MA |
39 | { |
40 | struct i2c_adapter *adapter = &mantis->adapter; | |
b3b96144 | 41 | int err; |
3e978a82 MA |
42 | u8 buf = reg; |
43 | ||
b3b96144 | 44 | struct i2c_msg msg[] = { |
3e978a82 | 45 | { .addr = 0x50, .flags = 0, .buf = &buf, .len = 1 }, |
b3b96144 MA |
46 | { .addr = 0x50, .flags = I2C_M_RD, .buf = data, .len = length }, |
47 | }; | |
48 | ||
49 | err = i2c_transfer(adapter, msg, 2); | |
50 | if (err < 0) { | |
51 | dprintk(MANTIS_ERROR, 1, "ERROR: i2c read: < err=%i d0=0x%02x d1=0x%02x >", | |
52 | err, data[0], data[1]); | |
53 | ||
54 | return err; | |
55 | } | |
56 | ||
57 | return 0; | |
58 | } | |
b3b96144 MA |
59 | int mantis_get_mac(struct mantis_pci *mantis) |
60 | { | |
61 | int err; | |
3e978a82 | 62 | u8 mac_addr[6] = {0}; |
b3b96144 | 63 | |
3e978a82 | 64 | err = read_eeprom_bytes(mantis, 0x08, mac_addr, 6); |
b3b96144 MA |
65 | if (err < 0) { |
66 | dprintk(MANTIS_ERROR, 1, "ERROR: Mantis EEPROM read error <%d>", err); | |
67 | ||
68 | return err; | |
69 | } | |
70 | ||
71 | dprintk(MANTIS_ERROR, 0, | |
72 | " MAC Address=[%02x:%02x:%02x:%02x:%02x:%02x]\n", | |
3e978a82 MA |
73 | mac_addr[0], |
74 | mac_addr[1], | |
75 | mac_addr[2], | |
76 | mac_addr[3], | |
77 | mac_addr[4], | |
78 | mac_addr[5]); | |
b3b96144 MA |
79 | |
80 | return 0; | |
81 | } | |
82 | EXPORT_SYMBOL_GPL(mantis_get_mac); | |
83 | ||
84 | /* Turn the given bit on or off. */ | |
85 | void gpio_set_bits(struct mantis_pci *mantis, u32 bitpos, u8 value) | |
86 | { | |
87 | u32 cur; | |
88 | ||
3e978a82 | 89 | dprintk(MANTIS_DEBUG, 1, "Set Bit <%d> to <%d>", bitpos, value); |
b3b96144 MA |
90 | cur = mmread(MANTIS_GPIF_ADDR); |
91 | if (value) | |
92 | mantis->gpio_status = cur | (1 << bitpos); | |
93 | else | |
94 | mantis->gpio_status = cur & (~(1 << bitpos)); | |
95 | ||
3e978a82 | 96 | dprintk(MANTIS_DEBUG, 1, "GPIO Value <%02x>", mantis->gpio_status); |
b3b96144 MA |
97 | mmwrite(mantis->gpio_status, MANTIS_GPIF_ADDR); |
98 | mmwrite(0x00, MANTIS_GPIF_DOUT); | |
99 | } | |
100 | EXPORT_SYMBOL_GPL(gpio_set_bits); | |
101 | ||
102 | int mantis_stream_control(struct mantis_pci *mantis, enum mantis_stream_control stream_ctl) | |
103 | { | |
104 | u32 reg; | |
105 | ||
106 | reg = mmread(MANTIS_CONTROL); | |
107 | switch (stream_ctl) { | |
108 | case STREAM_TO_HIF: | |
109 | dprintk(MANTIS_DEBUG, 1, "Set stream to HIF"); | |
110 | reg &= 0xff - MANTIS_BYPASS; | |
111 | mmwrite(reg, MANTIS_CONTROL); | |
112 | reg |= MANTIS_BYPASS; | |
113 | mmwrite(reg, MANTIS_CONTROL); | |
114 | break; | |
115 | ||
116 | case STREAM_TO_CAM: | |
117 | dprintk(MANTIS_DEBUG, 1, "Set stream to CAM"); | |
118 | reg |= MANTIS_BYPASS; | |
119 | mmwrite(reg, MANTIS_CONTROL); | |
120 | reg &= 0xff - MANTIS_BYPASS; | |
121 | mmwrite(reg, MANTIS_CONTROL); | |
122 | break; | |
123 | default: | |
124 | dprintk(MANTIS_ERROR, 1, "Unknown MODE <%02x>", stream_ctl); | |
125 | return -1; | |
126 | } | |
127 | ||
128 | return 0; | |
129 | } | |
130 | EXPORT_SYMBOL_GPL(mantis_stream_control); |