/* Mantis PCI bridge driver Copyright (C) Manu Abraham (abraham.manu@gmail.com) 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., 675 Mass Ave, Cambridge, MA 02139, USA. */ #include <linux/kernel.h> #include <linux/bitops.h> #include <linux/signal.h> #include <linux/sched.h> #include <linux/interrupt.h> #include <linux/pci.h> #include <linux/i2c.h> #include "dmxdev.h" #include "dvbdev.h" #include "dvb_demux.h" #include "dvb_frontend.h" #include "dvb_net.h" #include "mantis_common.h" #include "mantis_dma.h" #include "mantis_ca.h" #include "mantis_ioc.h" #include "mantis_dvb.h" DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); int mantis_frontend_power(struct mantis_pci *mantis, enum mantis_power power) { struct mantis_hwconfig *config = mantis->hwconfig; switch (power) { case POWER_ON: dprintk(MANTIS_DEBUG, 1, "Power ON"); gpio_set_bits(mantis, config->power, POWER_ON); msleep(100); gpio_set_bits(mantis, config->power, POWER_ON); msleep(100); break; case POWER_OFF: dprintk(MANTIS_DEBUG, 1, "Power OFF"); gpio_set_bits(mantis, config->power, POWER_OFF); msleep(100); break; default: dprintk(MANTIS_DEBUG, 1, "Unknown state <%02x>", power); return -1; } return 0; } EXPORT_SYMBOL_GPL(mantis_frontend_power); void mantis_frontend_soft_reset(struct mantis_pci *mantis) { struct mantis_hwconfig *config = mantis->hwconfig; dprintk(MANTIS_DEBUG, 1, "Frontend RESET"); gpio_set_bits(mantis, config->reset, 0); msleep(100); gpio_set_bits(mantis, config->reset, 0); msleep(100); gpio_set_bits(mantis, config->reset, 1); msleep(100); gpio_set_bits(mantis, config->reset, 1); msleep(100); return; } EXPORT_SYMBOL_GPL(mantis_frontend_soft_reset); static int mantis_frontend_shutdown(struct mantis_pci *mantis) { int err; mantis_frontend_soft_reset(mantis); err = mantis_frontend_power(mantis, POWER_OFF); if (err != 0) { dprintk(MANTIS_ERROR, 1, "Frontend POWER OFF failed! <%d>", err); return 1; } return 0; } static int mantis_dvb_start_feed(struct dvb_demux_feed *dvbdmxfeed) { struct dvb_demux *dvbdmx = dvbdmxfeed->demux; struct mantis_pci *mantis = dvbdmx->priv; dprintk(MANTIS_DEBUG, 1, "Mantis DVB Start feed"); if (!dvbdmx->dmx.frontend) { dprintk(MANTIS_DEBUG, 1, "no frontend ?"); return -EINVAL; } mantis->feeds++; dprintk(MANTIS_DEBUG, 1, "mantis start feed, feeds=%d", mantis->feeds); if (mantis->feeds == 1) { dprintk(MANTIS_DEBUG, 1, "mantis start feed & dma"); mantis_dma_start(mantis); } return mantis->feeds; } static int mantis_dvb_stop_feed(struct dvb_demux_feed *dvbdmxfeed) { struct dvb_demux *dvbdmx = dvbdmxfeed->demux; struct mantis_pci *mantis = dvbdmx->priv; dprintk(MANTIS_DEBUG, 1, "Mantis DVB Stop feed"); if (!dvbdmx->dmx.frontend) { dprintk(MANTIS_DEBUG, 1, "no frontend ?"); return -EINVAL; } mantis->feeds--; if (mantis->feeds == 0) { dprintk(MANTIS_DEBUG, 1, "mantis stop feed and dma"); mantis_dma_stop(mantis); } return 0; } int __devinit mantis_dvb_init(struct mantis_pci *mantis) { struct mantis_hwconfig *config = mantis->hwconfig; int result = -1; dprintk(MANTIS_DEBUG, 1, "dvb_register_adapter"); result = dvb_register_adapter(&mantis->dvb_adapter, "Mantis DVB adapter", THIS_MODULE, &mantis->pdev->dev, adapter_nr); if (result < 0) { dprintk(MANTIS_ERROR, 1, "Error registering adapter"); return -ENODEV; } mantis->dvb_adapter.priv = mantis; mantis->demux.dmx.capabilities = DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING; mantis->demux.priv = mantis; mantis->demux.filternum = 256; mantis->demux.feednum = 256; mantis->demux.start_feed = mantis_dvb_start_feed; mantis->demux.stop_feed = mantis_dvb_stop_feed; mantis->demux.write_to_decoder = NULL; dprintk(MANTIS_DEBUG, 1, "dvb_dmx_init"); result = dvb_dmx_init(&mantis->demux); if (result < 0) { dprintk(MANTIS_ERROR, 1, "dvb_dmx_init failed, ERROR=%d", result); goto err0; } mantis->dmxdev.filternum = 256; mantis->dmxdev.demux = &mantis->demux.dmx; mantis->dmxdev.capabilities = 0; dprintk(MANTIS_DEBUG, 1, "dvb_dmxdev_init"); result = dvb_dmxdev_init(&mantis->dmxdev, &mantis->dvb_adapter); if (result < 0) { dprintk(MANTIS_ERROR, 1, "dvb_dmxdev_init failed, ERROR=%d", result); goto err1; } mantis->fe_hw.source = DMX_FRONTEND_0; result = mantis->demux.dmx.add_frontend(&mantis->demux.dmx, &mantis->fe_hw); if (result < 0) { dprintk(MANTIS_ERROR, 1, "dvb_dmx_init failed, ERROR=%d", result); goto err2; } mantis->fe_mem.source = DMX_MEMORY_FE; result = mantis->demux.dmx.add_frontend(&mantis->demux.dmx, &mantis->fe_mem); if (result < 0) { dprintk(MANTIS_ERROR, 1, "dvb_dmx_init failed, ERROR=%d", result); goto err3; } result = mantis->demux.dmx.connect_frontend(&mantis->demux.dmx, &mantis->fe_hw); if (result < 0) { dprintk(MANTIS_ERROR, 1, "dvb_dmx_init failed, ERROR=%d", result); goto err4; } dvb_net_init(&mantis->dvb_adapter, &mantis->dvbnet, &mantis->demux.dmx); tasklet_init(&mantis->tasklet, mantis_dma_xfer, (unsigned long) mantis); if (mantis->hwconfig) { result = config->frontend_init(mantis, mantis->fe); if (result < 0) { dprintk(MANTIS_ERROR, 1, "!!! NO Frontends found !!!"); goto err5; } else { if (mantis->fe == NULL) { dprintk(MANTIS_ERROR, 1, "FE <NULL>"); goto err5; } if (dvb_register_frontend(&mantis->dvb_adapter, mantis->fe)) { dprintk(MANTIS_ERROR, 1, "ERROR: Frontend registration failed"); if (mantis->fe->ops.release) mantis->fe->ops.release(mantis->fe); mantis->fe = NULL; goto err5; } } } return 0; /* Error conditions .. */ err5: tasklet_kill(&mantis->tasklet); dvb_net_release(&mantis->dvbnet); dvb_unregister_frontend(mantis->fe); dvb_frontend_detach(mantis->fe); err4: mantis->demux.dmx.remove_frontend(&mantis->demux.dmx, &mantis->fe_mem); err3: mantis->demux.dmx.remove_frontend(&mantis->demux.dmx, &mantis->fe_hw); err2: dvb_dmxdev_release(&mantis->dmxdev); err1: dvb_dmx_release(&mantis->demux); err0: dvb_unregister_adapter(&mantis->dvb_adapter); return result; } EXPORT_SYMBOL_GPL(mantis_dvb_init); int __devexit mantis_dvb_exit(struct mantis_pci *mantis) { int err; if (mantis->fe) { /* mantis_ca_exit(mantis); */ err = mantis_frontend_shutdown(mantis); if (err != 0) dprintk(MANTIS_ERROR, 1, "Frontend exit while POWER ON! <%d>", err); dvb_unregister_frontend(mantis->fe); dvb_frontend_detach(mantis->fe); } tasklet_kill(&mantis->tasklet); dvb_net_release(&mantis->dvbnet); mantis->demux.dmx.remove_frontend(&mantis->demux.dmx, &mantis->fe_mem); mantis->demux.dmx.remove_frontend(&mantis->demux.dmx, &mantis->fe_hw); dvb_dmxdev_release(&mantis->dmxdev); dvb_dmx_release(&mantis->demux); dprintk(MANTIS_DEBUG, 1, "dvb_unregister_adapter"); dvb_unregister_adapter(&mantis->dvb_adapter); return 0; } EXPORT_SYMBOL_GPL(mantis_dvb_exit);