Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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 | */ |