diff options
Diffstat (limited to 'linux/drivers/media/dvb/ttpci/budget-patch.c')
| -rw-r--r-- | linux/drivers/media/dvb/ttpci/budget-patch.c | 335 |
1 files changed, 335 insertions, 0 deletions
diff --git a/linux/drivers/media/dvb/ttpci/budget-patch.c b/linux/drivers/media/dvb/ttpci/budget-patch.c new file mode 100644 index 000000000..7e1cb6d73 --- /dev/null +++ b/linux/drivers/media/dvb/ttpci/budget-patch.c @@ -0,0 +1,335 @@ +/* + * budget-patch.c: driver for Budget Patch, + * hardware modification of DVB-S cards enabling full TS + * + * Written by Emard <emard@softhome.net> + * + * Original idea by Roberto Deza <rdeza@unav.es> + * + * Special thanks to Holger Waechtler, Michael Hunold, Marian Durkovic + * and Metzlerbros + * + * 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_patch +#endif + +#define budget_patch budget + +static struct saa7146_extension budget_extension; + +MAKE_BUDGET_INFO(fs_1_3,"Siemens/Technotrend/Hauppauge PCI rev1.3+Budget_Patch", BUDGET_PATCH); + +static +struct pci_device_id pci_tbl[] = { + MAKE_EXTENSION_PCI(fs_1_3,0x13c2, 0x0000), + { + .vendor = 0, + } +}; + + +#define COMMAND (DPRAM_BASE + 0x0FC) +#define DPRAM_BASE 0x4000 +#define DEBINOSWAP 0x000e0000 + + +typedef enum { + AudioDAC, + CabADAC, + ON22K, + OFF22K, + MainSwitch, + ADSwitch, + SendDiSEqC, + SetRegister +} AUDCOM; + + +typedef enum { + COMTYPE_NOCOM, + COMTYPE_PIDFILTER, + COMTYPE_MPEGDECODER, + COMTYPE_OSD, + COMTYPE_BMP, + COMTYPE_ENCODER, + COMTYPE_AUDIODAC, + COMTYPE_REQUEST, + COMTYPE_SYSTEM, + COMTYPE_REC_PLAY, + COMTYPE_COMMON_IF, + COMTYPE_PID_FILTER, + COMTYPE_PES, + COMTYPE_TS, + COMTYPE_VIDEO, + COMTYPE_AUDIO, + COMTYPE_CI_LL, +} COMTYPE; + + +static +int wdebi(struct budget_patch *budget, u32 config, int addr, u32 val, int count) +{ + struct saa7146_dev *dev=budget->dev; + + DEB_EE(("budget: %p\n", budget)); + + if (count <= 0 || count > 4) + return -1; + + saa7146_write(dev, DEBI_CONFIG, config); + + saa7146_write(dev, DEBI_AD, val ); + saa7146_write(dev, DEBI_COMMAND, (count << 17) | (addr & 0xffff)); + saa7146_write(dev, MC2, (2 << 16) | 2); + mdelay(5); + + return 0; +} + + +static +int SOutCommand(struct budget_patch *budget, u16* buf, int length) +{ + int i; + + DEB_EE(("budget: %p\n", budget)); + + for (i = 2; i < length; i++) + wdebi(budget, DEBINOSWAP, COMMAND + 2*i, (u32) buf[i], 2); + + if (length) + wdebi(budget, DEBINOSWAP, COMMAND + 2, (u32) buf[1], 2); + else + wdebi(budget, DEBINOSWAP, COMMAND + 2, 0, 2); + + wdebi(budget, DEBINOSWAP, COMMAND, (u32) buf[0], 2); + return 0; +} + + +static +void av7110_set22k(struct budget_patch *budget, int state) +{ + u16 buf[2] = {( COMTYPE_AUDIODAC << 8) | (state ? ON22K : OFF22K), 0}; + + DEB_EE(("budget: %p\n", budget)); + SOutCommand(budget, buf, 2); +} + + +static int +av7110_send_diseqc_msg(struct budget_patch *budget, int len, u8 *msg, int burst) +{ + int i; + u16 buf[18] = { ((COMTYPE_AUDIODAC << 8) | SendDiSEqC), + 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }; + + DEB_EE(("budget: %p\n", budget)); + + if (len>10) + len=10; + + buf[1] = len+2; + buf[2] = len; + + if (burst != -1) + buf[3]=burst ? 0x01 : 0x00; + else + buf[3]=0xffff; + + for (i=0; i<len; i++) + buf[i+4]=msg[i]; + + SOutCommand(budget, buf, 18); + return 0; +} + + +int budget_patch_diseqc_ioctl (struct dvb_frontend *fe, unsigned int cmd, void *arg) +{ + struct budget_patch *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: + av7110_set22k (budget, 1); + break; + case SEC_TONE_OFF: + av7110_set22k (budget, 0); + break; + default: + return -EINVAL; + } + break; + + case FE_DISEQC_SEND_MASTER_CMD: + { + struct dvb_diseqc_master_cmd *cmd = arg; + + av7110_send_diseqc_msg (budget, cmd->msg_len, cmd->msg, 0); + break; + } + + case FE_DISEQC_SEND_BURST: + av7110_send_diseqc_msg (budget, 0, NULL, (int) arg); + break; + + default: + return -EOPNOTSUPP; + } + + return 0; +} + + +static +int budget_patch_attach (struct saa7146_dev* dev, struct saa7146_pci_extension_data *info) +{ + struct budget_patch *budget; + int err; + int cnt; + + if (!(budget = kmalloc (sizeof(struct budget_patch), GFP_KERNEL))) + return -ENOMEM; + + DEB_EE(("budget: %p\n",budget)); + + if ((err = ttpci_budget_init (budget, dev, info))) { + kfree (budget); + return err; + } + +/* +** This code will setup the SAA7146_RPS1 to generate a square +** wave on GPIO3, changing when a field (TS_HEIGHT/2 "lines" of +** TS_WIDTH packets) has been acquired on SAA7146_D1B video port; +** then, this GPIO3 output which is connected to the D1B_VSYNC +** input, will trigger the acquisition of the alternate field +** and so on. +** Currently, the TT_budget / WinTV_Nova cards have two ICs +** (74HCT4040, LVC74) for the generation of this VSYNC signal, +** which seems that can be done perfectly without this :-)). +*/ + cnt = 0; // Setup RPS1 "program" (p35) + // Wait reset Source Line Counter Threshold (p36) + dev->rps1[cnt++]=cpu_to_le32(CMD_PAUSE | RPS_INV | EVT_HS); + // Wait Source Line Counter Threshold (p36) + dev->rps1[cnt++]=cpu_to_le32(CMD_PAUSE | EVT_HS); + // Set GPIO3=1 (p42) + dev->rps1[cnt++]=cpu_to_le32(CMD_WR_REG_MASK | (GPIO_CTRL>>2)); + dev->rps1[cnt++]=cpu_to_le32(GPIO3_MSK); + dev->rps1[cnt++]=cpu_to_le32(SAA7146_GPIO_OUTHI<<24); + // Wait reset Source Line Counter Threshold (p36) + dev->rps1[cnt++]=cpu_to_le32(CMD_PAUSE | RPS_INV | EVT_HS); + // Wait Source Line Counter Threshold + dev->rps1[cnt++]=cpu_to_le32(CMD_PAUSE | EVT_HS); + // Set GPIO3=0 (p42) + dev->rps1[cnt++]=cpu_to_le32(CMD_WR_REG_MASK | (GPIO_CTRL>>2)); + dev->rps1[cnt++]=cpu_to_le32(GPIO3_MSK); + dev->rps1[cnt++]=cpu_to_le32(SAA7146_GPIO_OUTLO<<24); + // Jump to begin of RPS program (p37) + dev->rps1[cnt++]=cpu_to_le32(CMD_JUMP); + dev->rps1[cnt++]=cpu_to_le32(virt_to_bus(&dev->rps1[0])); + + // Fix VSYNC level + saa7146_setgpio(dev, 3, SAA7146_GPIO_OUTLO); + // Set RPS1 Address register to point to RPS code (r108 p42) + saa7146_write(dev, RPS_ADDR1, virt_to_bus(&dev->rps1[0])); + // Set Source Line Counter Threshold, using BRS (rCC p43) + saa7146_write(dev, RPS_THRESH1, ((TS_HEIGHT/2) | MASK_12)); + // Enable RPS1 (rFC p33) + saa7146_write(dev, MC1, (MASK_13 | MASK_29)); + + dvb_add_frontend_ioctls (budget->dvb_adapter, + budget_patch_diseqc_ioctl, NULL, budget); + + dev->ext_priv = budget; + + return 0; +} + + +static +int budget_patch_detach (struct saa7146_dev* dev) +{ + struct budget_patch *budget = (struct budget_patch*) dev->ext_priv; + int err; + + dvb_remove_frontend_ioctls (budget->dvb_adapter, + budget_patch_diseqc_ioctl, NULL); + + err = ttpci_budget_deinit (budget); + + kfree (budget); + + return err; +} + + +static +int __init budget_patch_init(void) +{ + if (saa7146_register_extension(&budget_extension)) + return -ENODEV; + + return 0; +} + + +static +void __exit budget_patch_exit(void) +{ + DEB_EE((".\n")); + saa7146_unregister_extension(&budget_extension); +} + + +static +struct saa7146_extension budget_extension = { + .name = "budget_patch dvb\0", + .flags = 0, + .ext_vv_data = NULL, + + .module = THIS_MODULE, + .pci_tbl = pci_tbl, + .attach = budget_patch_attach, + .detach = budget_patch_detach, + + .irq_mask = MASK_10, + .irq_func = ttpci_budget_irq10_handler, +}; + + +module_init(budget_patch_init); +module_exit(budget_patch_exit); + +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("Emard, Roberto Deza, Holger Waechtler, Michael Hunold, others"); +MODULE_DESCRIPTION("Driver for full TS modified DVB-S SAA7146+AV7110 " + "based so-called Budget Patch cards"); + |