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
auvitek_board_init(struct auvitek_softc * sc)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
auvitek_board_tuner_reset(void * priv)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
auvitek_board_get_if_frequency(struct auvitek_softc * sc)123 auvitek_board_get_if_frequency(struct auvitek_softc *sc)
124 {
125 return 6000000; /* 6MHz */
126 }
127