1 | /* $NetBSD: auvitek_board.c,v 1.3 2011/07/09 15:00:44 jmcneill Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 2010 Jared D. McNeill <jmcneill@invisible.ca> |
5 | * All rights reserved. |
6 | * |
7 | * Redistribution and use in source and binary forms, with or without |
8 | * modification, are permitted provided that the following conditions |
9 | * are met: |
10 | * 1. Redistributions of source code must retain the above copyright |
11 | * notice, this list of conditions and the following disclaimer. |
12 | * 2. Redistributions in binary form must reproduce the above copyright |
13 | * notice, this list of conditions and the following disclaimer in the |
14 | * documentation and/or other materials provided with the distribution. |
15 | * |
16 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
17 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
18 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
19 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
20 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
26 | * POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
28 | |
29 | /* |
30 | * Auvitek AU0828 USB controller - board specific initialization |
31 | */ |
32 | |
33 | #include <sys/cdefs.h> |
34 | __KERNEL_RCSID(0, "$NetBSD: auvitek_board.c,v 1.3 2011/07/09 15:00:44 jmcneill Exp $" ); |
35 | |
36 | #include <sys/param.h> |
37 | #include <sys/systm.h> |
38 | #include <sys/device.h> |
39 | #include <sys/conf.h> |
40 | #include <sys/bus.h> |
41 | #include <sys/module.h> |
42 | |
43 | #include <dev/usb/usb.h> |
44 | #include <dev/usb/usbdi.h> |
45 | #include <dev/usb/usbdi_util.h> |
46 | #include <dev/usb/usbdevs.h> |
47 | |
48 | #include <dev/usb/auvitekreg.h> |
49 | #include <dev/usb/auvitekvar.h> |
50 | |
51 | static const struct auvitek_board_config { |
52 | uint16_t reset; |
53 | uint16_t enable; |
54 | uint8_t clkdiv; |
55 | } auvitek_board_config[] = { |
56 | [AUVITEK_BOARD_HVR_850] = { |
57 | .reset = 0x02b0, |
58 | .enable = 0x02f0, |
59 | .clkdiv = AU0828_I2C_CLKDIV_30, |
60 | }, |
61 | [AUVITEK_BOARD_HVR_950Q] = { |
62 | .reset = 0x02b0, |
63 | .enable = 0x02f0, |
64 | .clkdiv = AU0828_I2C_CLKDIV_30, |
65 | }, |
66 | }; |
67 | |
68 | void |
69 | auvitek_board_init(struct auvitek_softc *sc) |
70 | { |
71 | uint16_t reset, enable; |
72 | |
73 | /* power up device */ |
74 | auvitek_write_1(sc, AU0828_REG_POWER_CTL, AU0828_POWER_EN); |
75 | |
76 | reset = auvitek_board_config[sc->sc_board].reset; |
77 | enable = auvitek_board_config[sc->sc_board].enable; |
78 | |
79 | /* stash i2c clock divider in softc */ |
80 | sc->sc_i2c_clkdiv = auvitek_board_config[sc->sc_board].clkdiv; |
81 | |
82 | /* configure gpio, if requested */ |
83 | if (reset) { |
84 | auvitek_write_1(sc, AU0828_REG_GPIO2_PINDIR, reset >> 8); |
85 | auvitek_write_1(sc, AU0828_REG_GPIO1_PINDIR, reset & 0xff); |
86 | auvitek_write_1(sc, AU0828_REG_GPIO2_OUTEN, 0); |
87 | auvitek_write_1(sc, AU0828_REG_GPIO1_OUTEN, 0); |
88 | delay(100000); |
89 | } |
90 | if (enable) { |
91 | auvitek_write_1(sc, AU0828_REG_GPIO2_PINDIR, enable >> 8); |
92 | auvitek_write_1(sc, AU0828_REG_GPIO1_PINDIR, enable & 0xff); |
93 | auvitek_write_1(sc, AU0828_REG_GPIO2_OUTEN, enable >> 8); |
94 | auvitek_write_1(sc, AU0828_REG_GPIO1_OUTEN, enable & 0xff); |
95 | delay(250000); |
96 | } |
97 | } |
98 | |
99 | int |
100 | auvitek_board_tuner_reset(void *priv) |
101 | { |
102 | struct auvitek_softc *sc = priv; |
103 | uint8_t val; |
104 | |
105 | switch (sc->sc_board) { |
106 | case AUVITEK_BOARD_HVR_850: |
107 | case AUVITEK_BOARD_HVR_950Q: |
108 | val = auvitek_read_1(sc, AU0828_REG_GPIO2_OUTEN); |
109 | val &= ~2; |
110 | auvitek_write_1(sc, AU0828_REG_GPIO2_OUTEN, val); |
111 | delay(10000); |
112 | val = auvitek_read_1(sc, AU0828_REG_GPIO2_OUTEN); |
113 | val |= 2; |
114 | auvitek_write_1(sc, AU0828_REG_GPIO2_OUTEN, val); |
115 | delay(10000); |
116 | break; |
117 | } |
118 | |
119 | return 0; |
120 | } |
121 | |
122 | unsigned int |
123 | auvitek_board_get_if_frequency(struct auvitek_softc *sc) |
124 | { |
125 | return 6000000; /* 6MHz */ |
126 | } |
127 | |