diff options
Diffstat (limited to 'linux/drivers/media/dvb/ttpci/budget.c')
| -rw-r--r-- | linux/drivers/media/dvb/ttpci/budget.c | 267 |
1 files changed, 267 insertions, 0 deletions
diff --git a/linux/drivers/media/dvb/ttpci/budget.c b/linux/drivers/media/dvb/ttpci/budget.c new file mode 100644 index 000000000..545101f44 --- /dev/null +++ b/linux/drivers/media/dvb/ttpci/budget.c @@ -0,0 +1,267 @@ +/* + * budget.c: driver for the SAA7146 based Budget DVB cards + * + * Compiled from various sources by Michael Hunold <michael@mihu.de> + * + * Copyright (C) 2002 Ralph Metzler <rjkm@metzlerbros.de> + * + * Copyright (C) 1999-2002 Ralph Metzler + * & Marcus Metzler for convergence integrated media GmbH + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version 2 + * of the License, or (at your option) any later version. + * + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * Or, point your browser to http://www.gnu.org/copyleft/gpl.html + * + * + * the project's page is at http://www.linuxtv.org/dvb/ + */ + +#include "budget.h" +#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,51) + #define KBUILD_MODNAME budget +#endif + + + +static inline void ddelay(int i) +{ + current->state=TASK_INTERRUPTIBLE; + schedule_timeout((HZ*i)/100); +} + + +static +void Set22K (struct budget *budget, int state) +{ + struct saa7146_dev *dev=budget->dev; + DEB_EE(("budget: %p\n",budget)); + saa7146_setgpio(dev, 3, (state ? SAA7146_GPIO_OUTHI : SAA7146_GPIO_OUTLO)); +} + + +/* Diseqc functions only for TT Budget card */ +/* taken from the Skyvision DVB driver by + Ralph Metzler <rjkm@metzlerbros.de> */ + +static +void DiseqcSendBit (struct budget *budget, int data) +{ + struct saa7146_dev *dev=budget->dev; + DEB_EE(("budget: %p\n",budget)); + + saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTHI); + udelay(data ? 500 : 1000); + saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTLO); + udelay(data ? 1000 : 500); +} + + +static +void DiseqcSendByte (struct budget *budget, int data) +{ + int i, par=1, d; + + DEB_EE(("budget: %p\n",budget)); + + for (i=7; i>=0; i--) { + d = (data>>i)&1; + par ^= d; + DiseqcSendBit(budget, d); + } + + DiseqcSendBit(budget, par); +} + + +static +int SendDiSEqCMsg (struct budget *budget, int len, u8 *msg, int burst) +{ + struct saa7146_dev *dev=budget->dev; + int i; + + DEB_EE(("budget: %p\n",budget)); + + saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTLO); + mdelay(16); + + for (i=0; i<len; i++) + DiseqcSendByte(budget, msg[i]); + + mdelay(16); + + if (burst!=-1) { + if (burst) + DiseqcSendByte(budget, 0xff); + else { + saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTHI); + udelay(12500); + saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTLO); + } + ddelay(2); + } + + return 0; +} + + +int budget_diseqc_ioctl (struct dvb_frontend *fe, unsigned int cmd, void *arg) +{ + struct budget *budget = fe->before_after_data; + + DEB_EE(("budget: %p\n",budget)); + + switch (cmd) { + case FE_SET_TONE: + switch ((fe_sec_tone_mode_t) arg) { + case SEC_TONE_ON: + Set22K (budget, 1); + break; + case SEC_TONE_OFF: + Set22K (budget, 0); + break; + default: + return -EINVAL; + }; + break; + + case FE_DISEQC_SEND_MASTER_CMD: + { + struct dvb_diseqc_master_cmd *cmd = arg; + + SendDiSEqCMsg (budget, cmd->msg_len, cmd->msg, 0); + break; + } + + case FE_DISEQC_SEND_BURST: + SendDiSEqCMsg (budget, 0, NULL, (int) arg); + break; + + default: + return -EOPNOTSUPP; + }; + + return 0; +} + + +static +int budget_attach (struct saa7146_dev* dev, struct saa7146_pci_extension_data *info) +{ + struct budget *budget; + int err; + + if (!(budget = kmalloc (sizeof(struct budget), GFP_KERNEL))) + return -ENOMEM; + + DEB_EE(("budget: %p\n",budget)); + + if ((err = ttpci_budget_init (budget, dev, info))) { + kfree (budget); + return err; + } + + dvb_add_frontend_ioctls (budget->dvb_adapter, + budget_diseqc_ioctl, NULL, budget); + + dev->ext_priv = budget; + + return 0; +} + + +static +int budget_detach (struct saa7146_dev* dev) +{ + struct budget *budget = (struct budget*) dev->ext_priv; + int err; + + dvb_remove_frontend_ioctls (budget->dvb_adapter, + budget_diseqc_ioctl, NULL); + + err = ttpci_budget_deinit (budget); + + kfree (budget); + + return err; +} + + + +static struct saa7146_extension budget_extension; + +MAKE_BUDGET_INFO(ttbs, "TT-Budget/WinTV-NOVA-S PCI", BUDGET_TT); +MAKE_BUDGET_INFO(ttbc, "TT-Budget/WinTV-NOVA-C PCI", BUDGET_TT); +MAKE_BUDGET_INFO(ttbt, "TT-Budget/WinTV-NOVA-T PCI", BUDGET_TT); +MAKE_BUDGET_INFO(satel, "SATELCO Multimedia PCI", BUDGET_TT_HW_DISEQC); +/* Uncomment for Budget Patch */ +/*MAKE_BUDGET_INFO(fs_1_3,"Siemens/Technotrend/Hauppauge PCI rev1.3+Budget_Patch", BUDGET_PATCH);*/ + +static +struct pci_device_id pci_tbl[] = { + /* Uncomment for Budget Patch */ + /*MAKE_EXTENSION_PCI(fs_1_3,0x13c2, 0x0000),*/ + MAKE_EXTENSION_PCI(ttbs, 0x13c2, 0x1003), + MAKE_EXTENSION_PCI(ttbc, 0x13c2, 0x1004), + MAKE_EXTENSION_PCI(ttbt, 0x13c2, 0x1005), + MAKE_EXTENSION_PCI(satel, 0x13c2, 0x1013), + { + .vendor = 0, + } +}; + + + +static +struct saa7146_extension budget_extension = { + .name = "budget dvb\0", + .flags = 0, + .ext_vv_data = NULL, + + .module = THIS_MODULE, + .pci_tbl = pci_tbl, + .attach = budget_attach, + .detach = budget_detach, + + .irq_mask = MASK_10, + .irq_func = ttpci_budget_irq10_handler, +}; + + +static +int __init budget_init(void) +{ + if (saa7146_register_extension(&budget_extension)) + return -ENODEV; + + return 0; +} + + +static +void __exit budget_exit(void) +{ + DEB_EE((".\n")); + saa7146_unregister_extension(&budget_extension); +} + +module_init(budget_init); +module_exit(budget_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Ralph Metzler, Marcus Metzler, Michael Hunold, others"); +MODULE_DESCRIPTION("driver for the SAA7146 based so-called " + "budget PCI DVB cards by Siemens, Technotrend, Hauppauge"); + |