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1da177e4 LT |
1 | /* |
2 | * $Id: saa7134-dvb.c,v 1.12 2005/02/18 12:28:29 kraxel Exp $ | |
3 | * | |
4 | * (c) 2004 Gerd Knorr <kraxel@bytesex.org> [SuSE Labs] | |
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/init.h> | |
22 | #include <linux/list.h> | |
23 | #include <linux/module.h> | |
24 | #include <linux/kernel.h> | |
25 | #include <linux/slab.h> | |
26 | #include <linux/delay.h> | |
27 | #include <linux/kthread.h> | |
28 | #include <linux/suspend.h> | |
29 | ||
30 | #include "saa7134-reg.h" | |
31 | #include "saa7134.h" | |
32 | ||
33 | #include "dvb-pll.h" | |
34 | #include "mt352.h" | |
35 | #include "mt352_priv.h" /* FIXME */ | |
36 | #include "tda1004x.h" | |
37 | ||
38 | MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); | |
39 | MODULE_LICENSE("GPL"); | |
40 | ||
41 | static unsigned int antenna_pwr = 0; | |
42 | module_param(antenna_pwr, int, 0444); | |
43 | MODULE_PARM_DESC(antenna_pwr,"enable antenna power (Pinnacle 300i)"); | |
44 | ||
45 | /* ------------------------------------------------------------------ */ | |
46 | ||
47 | static int pinnacle_antenna_pwr(struct saa7134_dev *dev, int on) | |
48 | { | |
49 | u32 ok; | |
50 | ||
51 | if (!on) { | |
52 | saa_setl(SAA7134_GPIO_GPMODE0 >> 2, (1 << 26)); | |
53 | saa_clearl(SAA7134_GPIO_GPSTATUS0 >> 2, (1 << 26)); | |
54 | return 0; | |
55 | } | |
56 | ||
57 | saa_setl(SAA7134_GPIO_GPMODE0 >> 2, (1 << 26)); | |
58 | saa_setl(SAA7134_GPIO_GPSTATUS0 >> 2, (1 << 26)); | |
59 | udelay(10); | |
60 | ||
61 | saa_setl(SAA7134_GPIO_GPMODE0 >> 2, (1 << 28)); | |
62 | saa_clearl(SAA7134_GPIO_GPSTATUS0 >> 2, (1 << 28)); | |
63 | udelay(10); | |
64 | saa_setl(SAA7134_GPIO_GPSTATUS0 >> 2, (1 << 28)); | |
65 | udelay(10); | |
66 | ok = saa_readl(SAA7134_GPIO_GPSTATUS0) & (1 << 27); | |
67 | printk("%s: %s %s\n", dev->name, __FUNCTION__, | |
68 | ok ? "on" : "off"); | |
69 | ||
70 | if (!ok) | |
71 | saa_clearl(SAA7134_GPIO_GPSTATUS0 >> 2, (1 << 26)); | |
72 | return ok; | |
73 | } | |
74 | ||
75 | static int mt352_pinnacle_init(struct dvb_frontend* fe) | |
76 | { | |
77 | static u8 clock_config [] = { CLOCK_CTL, 0x3d, 0x28 }; | |
78 | static u8 reset [] = { RESET, 0x80 }; | |
79 | static u8 adc_ctl_1_cfg [] = { ADC_CTL_1, 0x40 }; | |
80 | static u8 agc_cfg [] = { AGC_TARGET, 0x28, 0xa0 }; | |
81 | static u8 capt_range_cfg[] = { CAPT_RANGE, 0x31 }; | |
82 | static u8 fsm_ctl_cfg[] = { 0x7b, 0x04 }; | |
83 | static u8 gpp_ctl_cfg [] = { GPP_CTL, 0x0f }; | |
84 | static u8 scan_ctl_cfg [] = { SCAN_CTL, 0x0d }; | |
85 | static u8 irq_cfg [] = { INTERRUPT_EN_0, 0x00, 0x00, 0x00, 0x00 }; | |
86 | struct saa7134_dev *dev= fe->dvb->priv; | |
87 | ||
88 | printk("%s: %s called\n",dev->name,__FUNCTION__); | |
89 | ||
90 | mt352_write(fe, clock_config, sizeof(clock_config)); | |
91 | udelay(200); | |
92 | mt352_write(fe, reset, sizeof(reset)); | |
93 | mt352_write(fe, adc_ctl_1_cfg, sizeof(adc_ctl_1_cfg)); | |
94 | mt352_write(fe, agc_cfg, sizeof(agc_cfg)); | |
95 | mt352_write(fe, capt_range_cfg, sizeof(capt_range_cfg)); | |
96 | mt352_write(fe, gpp_ctl_cfg, sizeof(gpp_ctl_cfg)); | |
97 | ||
98 | mt352_write(fe, fsm_ctl_cfg, sizeof(fsm_ctl_cfg)); | |
99 | mt352_write(fe, scan_ctl_cfg, sizeof(scan_ctl_cfg)); | |
100 | mt352_write(fe, irq_cfg, sizeof(irq_cfg)); | |
101 | return 0; | |
102 | } | |
103 | ||
104 | static int mt352_pinnacle_pll_set(struct dvb_frontend* fe, | |
105 | struct dvb_frontend_parameters* params, | |
106 | u8* pllbuf) | |
107 | { | |
108 | static int on = TDA9887_PRESENT | TDA9887_PORT2_INACTIVE; | |
109 | static int off = TDA9887_PRESENT | TDA9887_PORT2_ACTIVE; | |
110 | struct saa7134_dev *dev = fe->dvb->priv; | |
111 | struct v4l2_frequency f; | |
112 | ||
113 | /* set frequency (mt2050) */ | |
114 | f.tuner = 0; | |
115 | f.type = V4L2_TUNER_DIGITAL_TV; | |
116 | f.frequency = params->frequency / 1000 * 16 / 1000; | |
117 | saa7134_i2c_call_clients(dev,TDA9887_SET_CONFIG,&on); | |
118 | saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,&f); | |
119 | saa7134_i2c_call_clients(dev,TDA9887_SET_CONFIG,&off); | |
120 | ||
121 | pinnacle_antenna_pwr(dev, antenna_pwr); | |
122 | ||
123 | /* mt352 setup */ | |
124 | mt352_pinnacle_init(fe); | |
125 | pllbuf[0] = 0xc2; | |
126 | pllbuf[1] = 0x00; | |
127 | pllbuf[2] = 0x00; | |
128 | pllbuf[3] = 0x80; | |
129 | pllbuf[4] = 0x00; | |
130 | return 0; | |
131 | } | |
132 | ||
133 | static struct mt352_config pinnacle_300i = { | |
134 | .demod_address = 0x3c >> 1, | |
135 | .adc_clock = 20333, | |
136 | .if2 = 36150, | |
137 | .no_tuner = 1, | |
138 | .demod_init = mt352_pinnacle_init, | |
139 | .pll_set = mt352_pinnacle_pll_set, | |
140 | }; | |
141 | ||
142 | /* ------------------------------------------------------------------ */ | |
143 | ||
144 | static int medion_cardbus_init(struct dvb_frontend* fe) | |
145 | { | |
146 | /* anything to do here ??? */ | |
147 | return 0; | |
148 | } | |
149 | ||
150 | static int medion_cardbus_pll_set(struct dvb_frontend* fe, | |
151 | struct dvb_frontend_parameters* params) | |
152 | { | |
153 | struct saa7134_dev *dev = fe->dvb->priv; | |
154 | struct v4l2_frequency f; | |
155 | ||
156 | /* | |
157 | * this instructs tuner.o to set the frequency, the call will | |
158 | * end up in tuner_command(), VIDIOC_S_FREQUENCY switch. | |
159 | * tda9887.o will see that as well. | |
160 | */ | |
161 | f.tuner = 0; | |
162 | f.type = V4L2_TUNER_DIGITAL_TV; | |
163 | f.frequency = params->frequency / 1000 * 16 / 1000; | |
164 | saa7134_i2c_call_clients(dev,VIDIOC_S_FREQUENCY,&f); | |
165 | return 0; | |
166 | } | |
167 | ||
168 | static int fe_request_firmware(struct dvb_frontend* fe, | |
169 | const struct firmware **fw, char* name) | |
170 | { | |
171 | struct saa7134_dev *dev = fe->dvb->priv; | |
172 | return request_firmware(fw, name, &dev->pci->dev); | |
173 | } | |
174 | ||
175 | struct tda1004x_config medion_cardbus = { | |
176 | .demod_address = 0x08, /* not sure this is correct */ | |
177 | .invert = 0, | |
178 | .invert_oclk = 0, | |
179 | .pll_init = medion_cardbus_init, | |
180 | .pll_set = medion_cardbus_pll_set, | |
181 | .request_firmware = fe_request_firmware, | |
182 | }; | |
183 | ||
184 | /* ------------------------------------------------------------------ */ | |
185 | ||
186 | static int dvb_init(struct saa7134_dev *dev) | |
187 | { | |
188 | /* init struct videobuf_dvb */ | |
189 | dev->ts.nr_bufs = 32; | |
190 | dev->ts.nr_packets = 32*4; | |
191 | dev->dvb.name = dev->name; | |
192 | videobuf_queue_init(&dev->dvb.dvbq, &saa7134_ts_qops, | |
193 | dev->pci, &dev->slock, | |
194 | V4L2_BUF_TYPE_VIDEO_CAPTURE, | |
195 | V4L2_FIELD_ALTERNATE, | |
196 | sizeof(struct saa7134_buf), | |
197 | dev); | |
198 | ||
199 | switch (dev->board) { | |
200 | case SAA7134_BOARD_PINNACLE_300I_DVBT_PAL: | |
201 | printk("%s: pinnacle 300i dvb setup\n",dev->name); | |
202 | dev->dvb.frontend = mt352_attach(&pinnacle_300i, | |
203 | &dev->i2c_adap); | |
204 | break; | |
205 | case SAA7134_BOARD_MD7134: | |
206 | dev->dvb.frontend = tda10046_attach(&medion_cardbus, | |
207 | &dev->i2c_adap); | |
208 | if (NULL == dev->dvb.frontend) | |
209 | printk("%s: Hmm, looks like this is the old MD7134 " | |
210 | "version without DVB-T support\n",dev->name); | |
211 | break; | |
212 | default: | |
213 | printk("%s: Huh? unknown DVB card?\n",dev->name); | |
214 | break; | |
215 | } | |
216 | ||
217 | if (NULL == dev->dvb.frontend) { | |
218 | printk("%s: frontend initialization failed\n",dev->name); | |
219 | return -1; | |
220 | } | |
221 | ||
222 | /* register everything else */ | |
223 | return videobuf_dvb_register(&dev->dvb, THIS_MODULE, dev); | |
224 | } | |
225 | ||
226 | static int dvb_fini(struct saa7134_dev *dev) | |
227 | { | |
228 | static int on = TDA9887_PRESENT | TDA9887_PORT2_INACTIVE; | |
229 | ||
230 | printk("%s: %s\n",dev->name,__FUNCTION__); | |
231 | ||
232 | switch (dev->board) { | |
233 | case SAA7134_BOARD_PINNACLE_300I_DVBT_PAL: | |
234 | /* otherwise we don't detect the tuner on next insmod */ | |
235 | saa7134_i2c_call_clients(dev,TDA9887_SET_CONFIG,&on); | |
236 | break; | |
237 | }; | |
238 | videobuf_dvb_unregister(&dev->dvb); | |
239 | return 0; | |
240 | } | |
241 | ||
242 | static struct saa7134_mpeg_ops dvb_ops = { | |
243 | .type = SAA7134_MPEG_DVB, | |
244 | .init = dvb_init, | |
245 | .fini = dvb_fini, | |
246 | }; | |
247 | ||
248 | static int __init dvb_register(void) | |
249 | { | |
250 | return saa7134_ts_register(&dvb_ops); | |
251 | } | |
252 | ||
253 | static void __exit dvb_unregister(void) | |
254 | { | |
255 | saa7134_ts_unregister(&dvb_ops); | |
256 | } | |
257 | ||
258 | module_init(dvb_register); | |
259 | module_exit(dvb_unregister); | |
260 | ||
261 | /* ------------------------------------------------------------------ */ | |
262 | /* | |
263 | * Local variables: | |
264 | * c-basic-offset: 8 | |
265 | * End: | |
266 | */ |