2 * budget-patch.c: driver for Budget Patch,
3 * hardware modification of DVB-S cards enabling full TS
5 * Written by Emard <emard@softhome.net>
7 * Original idea by Roberto Deza <rdeza@unav.es>
9 * Special thanks to Holger Waechtler, Michael Hunold, Marian Durkovic
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
18 * This program is distributed in the hope that it will be useful,
19 * but WITHOUT ANY WARRANTY; without even the implied warranty of
20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 * GNU General Public License for more details.
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
27 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
30 * the project's page is at http://www.linuxtv.org/dvb/
35 #include "av7110_hw.h"
37 #define budget_patch budget
39 static struct saa7146_extension budget_extension;
41 MAKE_BUDGET_INFO(fs_1_3,"Siemens/Technotrend/Hauppauge PCI rev1.3+Budget_Patch", BUDGET_PATCH);
43 static struct pci_device_id pci_tbl[] = {
44 MAKE_EXTENSION_PCI(fs_1_3,0x13c2, 0x0000),
50 static int budget_wdebi(struct budget_patch *budget, u32 config, int addr, u32 val, int count)
52 struct saa7146_dev *dev=budget->dev;
54 DEB_EE(("budget: %p\n", budget));
56 if (count <= 0 || count > 4)
59 saa7146_write(dev, DEBI_CONFIG, config);
61 saa7146_write(dev, DEBI_AD, val );
62 saa7146_write(dev, DEBI_COMMAND, (count << 17) | (addr & 0xffff));
63 saa7146_write(dev, MC2, (2 << 16) | 2);
70 static int budget_av7110_send_fw_cmd(struct budget_patch *budget, u16* buf, int length)
74 DEB_EE(("budget: %p\n", budget));
76 for (i = 2; i < length; i++)
77 budget_wdebi(budget, DEBINOSWAP, COMMAND + 2*i, (u32) buf[i], 2);
80 budget_wdebi(budget, DEBINOSWAP, COMMAND + 2, (u32) buf[1], 2);
82 budget_wdebi(budget, DEBINOSWAP, COMMAND + 2, 0, 2);
84 budget_wdebi(budget, DEBINOSWAP, COMMAND, (u32) buf[0], 2);
89 static void av7110_set22k(struct budget_patch *budget, int state)
91 u16 buf[2] = {( COMTYPE_AUDIODAC << 8) | (state ? ON22K : OFF22K), 0};
93 DEB_EE(("budget: %p\n", budget));
94 budget_av7110_send_fw_cmd(budget, buf, 2);
98 static int av7110_send_diseqc_msg(struct budget_patch *budget, int len, u8 *msg, int burst)
101 u16 buf[18] = { ((COMTYPE_AUDIODAC << 8) | SendDiSEqC),
102 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
104 DEB_EE(("budget: %p\n", budget));
113 buf[3]=burst ? 0x01 : 0x00;
117 for (i=0; i<len; i++)
120 budget_av7110_send_fw_cmd(budget, buf, 18);
125 int budget_patch_diseqc_ioctl (struct dvb_frontend *fe, unsigned int cmd, void *arg)
127 struct budget_patch *budget = fe->before_after_data;
129 DEB_EE(("budget: %p\n", budget));
133 switch ((fe_sec_tone_mode_t) arg) {
135 av7110_set22k (budget, 1);
138 av7110_set22k (budget, 0);
145 case FE_DISEQC_SEND_MASTER_CMD:
147 struct dvb_diseqc_master_cmd *cmd = arg;
149 av7110_send_diseqc_msg (budget, cmd->msg_len, cmd->msg, 0);
153 case FE_DISEQC_SEND_BURST:
154 av7110_send_diseqc_msg (budget, 0, NULL, (int) (long) arg);
165 static int budget_patch_attach (struct saa7146_dev* dev, struct saa7146_pci_extension_data *info)
167 struct budget_patch *budget;
171 if (!(budget = kmalloc (sizeof(struct budget_patch), GFP_KERNEL)))
174 DEB_EE(("budget: %p\n",budget));
176 if ((err = ttpci_budget_init (budget, dev, info))) {
182 ** This code will setup the SAA7146_RPS1 to generate a square
183 ** wave on GPIO3, changing when a field (TS_HEIGHT/2 "lines" of
184 ** TS_WIDTH packets) has been acquired on SAA7146_D1B video port;
185 ** then, this GPIO3 output which is connected to the D1B_VSYNC
186 ** input, will trigger the acquisition of the alternate field
188 ** Currently, the TT_budget / WinTV_Nova cards have two ICs
189 ** (74HCT4040, LVC74) for the generation of this VSYNC signal,
190 ** which seems that can be done perfectly without this :-)).
193 // Setup RPS1 "program" (p35)
195 // Wait reset Source Line Counter Threshold (p36)
196 WRITE_RPS1(cpu_to_le32(CMD_PAUSE | RPS_INV | EVT_HS));
197 // Wait Source Line Counter Threshold (p36)
198 WRITE_RPS1(cpu_to_le32(CMD_PAUSE | EVT_HS));
200 WRITE_RPS1(cpu_to_le32(CMD_WR_REG_MASK | (GPIO_CTRL>>2)));
201 WRITE_RPS1(cpu_to_le32(GPIO3_MSK));
202 WRITE_RPS1(cpu_to_le32(SAA7146_GPIO_OUTHI<<24));
203 // Wait reset Source Line Counter Threshold (p36)
204 WRITE_RPS1(cpu_to_le32(CMD_PAUSE | RPS_INV | EVT_HS));
205 // Wait Source Line Counter Threshold
206 WRITE_RPS1(cpu_to_le32(CMD_PAUSE | EVT_HS));
208 WRITE_RPS1(cpu_to_le32(CMD_WR_REG_MASK | (GPIO_CTRL>>2)));
209 WRITE_RPS1(cpu_to_le32(GPIO3_MSK));
210 WRITE_RPS1(cpu_to_le32(SAA7146_GPIO_OUTLO<<24));
211 // Jump to begin of RPS program (p37)
212 WRITE_RPS1(cpu_to_le32(CMD_JUMP));
213 WRITE_RPS1(cpu_to_le32(dev->d_rps1.dma_handle));
216 saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTLO);
217 // Set RPS1 Address register to point to RPS code (r108 p42)
218 saa7146_write(dev, RPS_ADDR1, dev->d_rps1.dma_handle);
219 // Set Source Line Counter Threshold, using BRS (rCC p43)
220 saa7146_write(dev, RPS_THRESH1, ((TS_HEIGHT/2) | MASK_12));
221 // Enable RPS1 (rFC p33)
222 saa7146_write(dev, MC1, (MASK_13 | MASK_29));
224 dvb_add_frontend_ioctls (budget->dvb_adapter,
225 budget_patch_diseqc_ioctl, NULL, budget);
227 dev->ext_priv = budget;
233 static int budget_patch_detach (struct saa7146_dev* dev)
235 struct budget_patch *budget = (struct budget_patch*) dev->ext_priv;
238 dvb_remove_frontend_ioctls (budget->dvb_adapter,
239 budget_patch_diseqc_ioctl, NULL);
241 err = ttpci_budget_deinit (budget);
249 static int __init budget_patch_init(void)
251 return saa7146_register_extension(&budget_extension);
255 static void __exit budget_patch_exit(void)
258 saa7146_unregister_extension(&budget_extension);
262 static struct saa7146_extension budget_extension = {
263 .name = "budget_patch dvb\0",
266 .module = THIS_MODULE,
268 .attach = budget_patch_attach,
269 .detach = budget_patch_detach,
272 .irq_func = ttpci_budget_irq10_handler,
276 module_init(budget_patch_init);
277 module_exit(budget_patch_exit);
279 MODULE_LICENSE("GPL");
280 MODULE_AUTHOR("Emard, Roberto Deza, Holger Waechtler, Michael Hunold, others");
281 MODULE_DESCRIPTION("Driver for full TS modified DVB-S SAA7146+AV7110 "
282 "based so-called Budget Patch cards");