Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Alan Cox | 1636 | 52.25% | 1 | 2.33% |
Michael Hunold | 564 | 18.01% | 9 | 20.93% |
Ingo Schneider | 310 | 9.90% | 1 | 2.33% |
Oliver Endriss | 146 | 4.66% | 2 | 4.65% |
Hartmut Birr | 143 | 4.57% | 3 | 6.98% |
Hans Verkuil | 124 | 3.96% | 1 | 2.33% |
Jon Burgess | 67 | 2.14% | 1 | 2.33% |
Chuhong Yuan | 30 | 0.96% | 1 | 2.33% |
Johannes Stezenbach | 29 | 0.93% | 3 | 6.98% |
Allen Pais | 19 | 0.61% | 2 | 4.65% |
Andrew de Quincey | 17 | 0.54% | 2 | 4.65% |
Janne Grunau | 10 | 0.32% | 2 | 4.65% |
Stefan Herdler | 10 | 0.32% | 4 | 9.30% |
Julian Scheel | 6 | 0.19% | 1 | 2.33% |
Christophe Jaillet | 5 | 0.16% | 1 | 2.33% |
Jeff Johnson | 5 | 0.16% | 1 | 2.33% |
Mauro Carvalho Chehab | 5 | 0.16% | 4 | 9.30% |
Patrick Boettcher | 2 | 0.06% | 1 | 2.33% |
Thomas Gleixner | 1 | 0.03% | 1 | 2.33% |
Magnus Damm | 1 | 0.03% | 1 | 2.33% |
Harvey Harrison | 1 | 0.03% | 1 | 2.33% |
Total | 3131 | 43 |
// SPDX-License-Identifier: GPL-2.0-or-later /* * budget-core.ko: base-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 * * 26feb2004 Support for FS Activy Card (Grundig tuner) by * Michael Dreher <michael@5dot1.de>, * Oliver Endriss <o.endriss@gmx.de>, * Andreas 'randy' Weinberger * * the project's page is at https://linuxtv.org */ #include "budget.h" #include "ttpci-eeprom.h" #define TS_WIDTH (2 * TS_SIZE) #define TS_WIDTH_ACTIVY TS_SIZE #define TS_WIDTH_DVBC TS_SIZE #define TS_HEIGHT_MASK 0xf00 #define TS_HEIGHT_MASK_ACTIVY 0xc00 #define TS_HEIGHT_MASK_DVBC 0xe00 #define TS_MIN_BUFSIZE_K 188 #define TS_MAX_BUFSIZE_K 1410 #define TS_MAX_BUFSIZE_K_ACTIVY 564 #define TS_MAX_BUFSIZE_K_DVBC 1316 #define BUFFER_WARNING_WAIT (30*HZ) int budget_debug; EXPORT_SYMBOL_GPL(budget_debug); static int dma_buffer_size = TS_MIN_BUFSIZE_K; module_param_named(debug, budget_debug, int, 0644); module_param_named(bufsize, dma_buffer_size, int, 0444); MODULE_PARM_DESC(debug, "Turn on/off budget debugging (default:off)."); MODULE_PARM_DESC(bufsize, "DMA buffer size in KB, default: 188, min: 188, max: 1410 (Activy: 564)"); /**************************************************************************** * TT budget / WinTV Nova ****************************************************************************/ static int stop_ts_capture(struct budget *budget) { dprintk(2, "budget: %p\n", budget); saa7146_write(budget->dev, MC1, MASK_20); // DMA3 off SAA7146_IER_DISABLE(budget->dev, MASK_10); return 0; } static int start_ts_capture(struct budget *budget) { struct saa7146_dev *dev = budget->dev; dprintk(2, "budget: %p\n", budget); if (!budget->feeding || !budget->fe_synced) return 0; saa7146_write(dev, MC1, MASK_20); // DMA3 off memset(budget->grabbing, 0x00, budget->buffer_size); saa7146_write(dev, PCI_BT_V1, 0x001c0000 | (saa7146_read(dev, PCI_BT_V1) & ~0x001f0000)); budget->ttbp = 0; /* * Signal path on the Activy: * * tuner -> SAA7146 port A -> SAA7146 BRS -> SAA7146 DMA3 -> memory * * Since the tuner feeds 204 bytes packets into the SAA7146, * DMA3 is configured to strip the trailing 16 FEC bytes: * Pitch: 188, NumBytes3: 188, NumLines3: 1024 */ switch (budget->card->type) { case BUDGET_FS_ACTIVY: saa7146_write(dev, DD1_INIT, 0x04000000); saa7146_write(dev, MC2, (MASK_09 | MASK_25)); saa7146_write(dev, BRS_CTRL, 0x00000000); break; case BUDGET_PATCH: saa7146_write(dev, DD1_INIT, 0x00000200); saa7146_write(dev, MC2, (MASK_10 | MASK_26)); saa7146_write(dev, BRS_CTRL, 0x60000000); break; case BUDGET_CIN1200C_MK3: case BUDGET_KNC1C_MK3: case BUDGET_KNC1C_TDA10024: case BUDGET_KNC1CP_MK3: if (budget->video_port == BUDGET_VIDEO_PORTA) { saa7146_write(dev, DD1_INIT, 0x06000200); saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26)); saa7146_write(dev, BRS_CTRL, 0x00000000); } else { saa7146_write(dev, DD1_INIT, 0x00000600); saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26)); saa7146_write(dev, BRS_CTRL, 0x60000000); } break; default: if (budget->video_port == BUDGET_VIDEO_PORTA) { saa7146_write(dev, DD1_INIT, 0x06000200); saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26)); saa7146_write(dev, BRS_CTRL, 0x00000000); } else { saa7146_write(dev, DD1_INIT, 0x02000600); saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26)); saa7146_write(dev, BRS_CTRL, 0x60000000); } } saa7146_write(dev, MC2, (MASK_08 | MASK_24)); mdelay(10); saa7146_write(dev, BASE_ODD3, 0); if (budget->buffer_size > budget->buffer_height * budget->buffer_width) { // using odd/even buffers saa7146_write(dev, BASE_EVEN3, budget->buffer_height * budget->buffer_width); } else { // using a single buffer saa7146_write(dev, BASE_EVEN3, 0); } saa7146_write(dev, PROT_ADDR3, budget->buffer_size); saa7146_write(dev, BASE_PAGE3, budget->pt.dma | ME1 | 0x90); saa7146_write(dev, PITCH3, budget->buffer_width); saa7146_write(dev, NUM_LINE_BYTE3, (budget->buffer_height << 16) | budget->buffer_width); saa7146_write(dev, MC2, (MASK_04 | MASK_20)); SAA7146_ISR_CLEAR(budget->dev, MASK_10); /* VPE */ SAA7146_IER_ENABLE(budget->dev, MASK_10); /* VPE */ saa7146_write(dev, MC1, (MASK_04 | MASK_20)); /* DMA3 on */ return 0; } static int budget_read_fe_status(struct dvb_frontend *fe, enum fe_status *status) { struct budget *budget = fe->dvb->priv; int synced; int ret; if (budget->read_fe_status) ret = budget->read_fe_status(fe, status); else ret = -EINVAL; if (!ret) { synced = (*status & FE_HAS_LOCK); if (synced != budget->fe_synced) { budget->fe_synced = synced; spin_lock(&budget->feedlock); if (synced) start_ts_capture(budget); else stop_ts_capture(budget); spin_unlock(&budget->feedlock); } } return ret; } static void vpeirq(struct work_struct *t) { struct budget *budget = from_work(budget, t, vpe_bh_work); u8 *mem = (u8 *) (budget->grabbing); u32 olddma = budget->ttbp; u32 newdma = saa7146_read(budget->dev, PCI_VDP3); u32 count; /* Ensure streamed PCI data is synced to CPU */ dma_sync_sg_for_cpu(&budget->dev->pci->dev, budget->pt.slist, budget->pt.nents, DMA_FROM_DEVICE); /* nearest lower position divisible by 188 */ newdma -= newdma % 188; if (newdma >= budget->buffer_size) return; budget->ttbp = newdma; if (budget->feeding == 0 || newdma == olddma) return; if (newdma > olddma) { /* no wraparound, dump olddma..newdma */ count = newdma - olddma; dvb_dmx_swfilter_packets(&budget->demux, mem + olddma, count / 188); } else { /* wraparound, dump olddma..buflen and 0..newdma */ count = budget->buffer_size - olddma; dvb_dmx_swfilter_packets(&budget->demux, mem + olddma, count / 188); count += newdma; dvb_dmx_swfilter_packets(&budget->demux, mem, newdma / 188); } if (count > budget->buffer_warning_threshold) budget->buffer_warnings++; if (budget->buffer_warnings && time_after(jiffies, budget->buffer_warning_time)) { pr_warn("%s %s: used %d times >80%% of buffer (%u bytes now)\n", budget->dev->name, __func__, budget->buffer_warnings, count); budget->buffer_warning_time = jiffies + BUFFER_WARNING_WAIT; budget->buffer_warnings = 0; } } static int ttpci_budget_debiread_nolock(struct budget *budget, u32 config, int addr, int count, int nobusyloop) { struct saa7146_dev *saa = budget->dev; int result; result = saa7146_wait_for_debi_done(saa, nobusyloop); if (result < 0) return result; saa7146_write(saa, DEBI_COMMAND, (count << 17) | 0x10000 | (addr & 0xffff)); saa7146_write(saa, DEBI_CONFIG, config); saa7146_write(saa, DEBI_PAGE, 0); saa7146_write(saa, MC2, (2 << 16) | 2); result = saa7146_wait_for_debi_done(saa, nobusyloop); if (result < 0) return result; result = saa7146_read(saa, DEBI_AD); result &= (0xffffffffUL >> ((4 - count) * 8)); return result; } int ttpci_budget_debiread(struct budget *budget, u32 config, int addr, int count, int uselocks, int nobusyloop) { if (count > 4 || count <= 0) return 0; if (uselocks) { unsigned long flags; int result; spin_lock_irqsave(&budget->debilock, flags); result = ttpci_budget_debiread_nolock(budget, config, addr, count, nobusyloop); spin_unlock_irqrestore(&budget->debilock, flags); return result; } return ttpci_budget_debiread_nolock(budget, config, addr, count, nobusyloop); } EXPORT_SYMBOL_GPL(ttpci_budget_debiread); static int ttpci_budget_debiwrite_nolock(struct budget *budget, u32 config, int addr, int count, u32 value, int nobusyloop) { struct saa7146_dev *saa = budget->dev; int result; result = saa7146_wait_for_debi_done(saa, nobusyloop); if (result < 0) return result; saa7146_write(saa, DEBI_COMMAND, (count << 17) | 0x00000 | (addr & 0xffff)); saa7146_write(saa, DEBI_CONFIG, config); saa7146_write(saa, DEBI_PAGE, 0); saa7146_write(saa, DEBI_AD, value); saa7146_write(saa, MC2, (2 << 16) | 2); result = saa7146_wait_for_debi_done(saa, nobusyloop); return result < 0 ? result : 0; } int ttpci_budget_debiwrite(struct budget *budget, u32 config, int addr, int count, u32 value, int uselocks, int nobusyloop) { if (count > 4 || count <= 0) return 0; if (uselocks) { unsigned long flags; int result; spin_lock_irqsave(&budget->debilock, flags); result = ttpci_budget_debiwrite_nolock(budget, config, addr, count, value, nobusyloop); spin_unlock_irqrestore(&budget->debilock, flags); return result; } return ttpci_budget_debiwrite_nolock(budget, config, addr, count, value, nobusyloop); } EXPORT_SYMBOL_GPL(ttpci_budget_debiwrite); /**************************************************************************** * DVB API SECTION ****************************************************************************/ static int budget_start_feed(struct dvb_demux_feed *feed) { struct dvb_demux *demux = feed->demux; struct budget *budget = demux->priv; int status = 0; dprintk(2, "budget: %p\n", budget); if (!demux->dmx.frontend) return -EINVAL; spin_lock(&budget->feedlock); feed->pusi_seen = false; /* have a clean section start */ if (budget->feeding++ == 0) status = start_ts_capture(budget); spin_unlock(&budget->feedlock); return status; } static int budget_stop_feed(struct dvb_demux_feed *feed) { struct dvb_demux *demux = feed->demux; struct budget *budget = demux->priv; int status = 0; dprintk(2, "budget: %p\n", budget); spin_lock(&budget->feedlock); if (--budget->feeding == 0) status = stop_ts_capture(budget); spin_unlock(&budget->feedlock); return status; } static int budget_register(struct budget *budget) { struct dvb_demux *dvbdemux = &budget->demux; int ret; dprintk(2, "budget: %p\n", budget); dvbdemux->priv = (void *) budget; dvbdemux->filternum = 256; dvbdemux->feednum = 256; dvbdemux->start_feed = budget_start_feed; dvbdemux->stop_feed = budget_stop_feed; dvbdemux->write_to_decoder = NULL; dvbdemux->dmx.capabilities = (DMX_TS_FILTERING | DMX_SECTION_FILTERING | DMX_MEMORY_BASED_FILTERING); dvb_dmx_init(&budget->demux); budget->dmxdev.filternum = 256; budget->dmxdev.demux = &dvbdemux->dmx; budget->dmxdev.capabilities = 0; dvb_dmxdev_init(&budget->dmxdev, &budget->dvb_adapter); budget->hw_frontend.source = DMX_FRONTEND_0; ret = dvbdemux->dmx.add_frontend(&dvbdemux->dmx, &budget->hw_frontend); if (ret < 0) goto err_release_dmx; budget->mem_frontend.source = DMX_MEMORY_FE; ret = dvbdemux->dmx.add_frontend(&dvbdemux->dmx, &budget->mem_frontend); if (ret < 0) goto err_release_dmx; ret = dvbdemux->dmx.connect_frontend(&dvbdemux->dmx, &budget->hw_frontend); if (ret < 0) goto err_release_dmx; dvb_net_init(&budget->dvb_adapter, &budget->dvb_net, &dvbdemux->dmx); return 0; err_release_dmx: dvb_dmxdev_release(&budget->dmxdev); dvb_dmx_release(&budget->demux); return ret; } static void budget_unregister(struct budget *budget) { struct dvb_demux *dvbdemux = &budget->demux; dprintk(2, "budget: %p\n", budget); dvb_net_release(&budget->dvb_net); dvbdemux->dmx.close(&dvbdemux->dmx); dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &budget->hw_frontend); dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, &budget->mem_frontend); dvb_dmxdev_release(&budget->dmxdev); dvb_dmx_release(&budget->demux); } int ttpci_budget_init(struct budget *budget, struct saa7146_dev *dev, struct saa7146_pci_extension_data *info, struct module *owner, short *adapter_nums) { int ret = 0; struct budget_info *bi = info->ext_priv; int max_bufsize; int height_mask; memset(budget, 0, sizeof(struct budget)); dprintk(2, "dev: %p, budget: %p\n", dev, budget); budget->card = bi; budget->dev = (struct saa7146_dev *) dev; switch (budget->card->type) { case BUDGET_FS_ACTIVY: budget->buffer_width = TS_WIDTH_ACTIVY; max_bufsize = TS_MAX_BUFSIZE_K_ACTIVY; height_mask = TS_HEIGHT_MASK_ACTIVY; break; case BUDGET_KNC1C: case BUDGET_KNC1CP: case BUDGET_CIN1200C: case BUDGET_KNC1C_MK3: case BUDGET_KNC1C_TDA10024: case BUDGET_KNC1CP_MK3: case BUDGET_CIN1200C_MK3: budget->buffer_width = TS_WIDTH_DVBC; max_bufsize = TS_MAX_BUFSIZE_K_DVBC; height_mask = TS_HEIGHT_MASK_DVBC; break; default: budget->buffer_width = TS_WIDTH; max_bufsize = TS_MAX_BUFSIZE_K; height_mask = TS_HEIGHT_MASK; } if (dma_buffer_size < TS_MIN_BUFSIZE_K) dma_buffer_size = TS_MIN_BUFSIZE_K; else if (dma_buffer_size > max_bufsize) dma_buffer_size = max_bufsize; budget->buffer_height = dma_buffer_size * 1024 / budget->buffer_width; if (budget->buffer_height > 0xfff) { budget->buffer_height /= 2; budget->buffer_height &= height_mask; budget->buffer_size = 2 * budget->buffer_height * budget->buffer_width; } else { budget->buffer_height &= height_mask; budget->buffer_size = budget->buffer_height * budget->buffer_width; } budget->buffer_warning_threshold = budget->buffer_size * 80/100; budget->buffer_warnings = 0; budget->buffer_warning_time = jiffies; dprintk(2, "%s: buffer type = %s, width = %d, height = %d\n", budget->dev->name, budget->buffer_size > budget->buffer_width * budget->buffer_height ? "odd/even" : "single", budget->buffer_width, budget->buffer_height); pr_info("%s: dma buffer size %u\n", budget->dev->name, budget->buffer_size); ret = dvb_register_adapter(&budget->dvb_adapter, budget->card->name, owner, &budget->dev->pci->dev, adapter_nums); if (ret < 0) return ret; /* set dd1 stream a & b */ saa7146_write(dev, DD1_STREAM_B, 0x00000000); saa7146_write(dev, MC2, (MASK_09 | MASK_25)); saa7146_write(dev, MC2, (MASK_10 | MASK_26)); saa7146_write(dev, DD1_INIT, 0x02000000); saa7146_write(dev, MC2, (MASK_09 | MASK_25 | MASK_10 | MASK_26)); if (bi->type != BUDGET_FS_ACTIVY) budget->video_port = BUDGET_VIDEO_PORTB; else budget->video_port = BUDGET_VIDEO_PORTA; spin_lock_init(&budget->feedlock); spin_lock_init(&budget->debilock); /* * the Siemens DVB needs this if you want to have the i2c chips * get recognized before the main driver is loaded */ if (bi->type != BUDGET_FS_ACTIVY) saa7146_write(dev, GPIO_CTRL, 0x500000); /* GPIO 3 = 1 */ strscpy(budget->i2c_adap.name, budget->card->name, sizeof(budget->i2c_adap.name)); saa7146_i2c_adapter_prepare(dev, &budget->i2c_adap, SAA7146_I2C_BUS_BIT_RATE_120); strscpy(budget->i2c_adap.name, budget->card->name, sizeof(budget->i2c_adap.name)); if (i2c_add_adapter(&budget->i2c_adap) < 0) { ret = -ENOMEM; goto err_dvb_unregister; } ttpci_eeprom_parse_mac(&budget->i2c_adap, budget->dvb_adapter.proposed_mac); budget->grabbing = saa7146_vmalloc_build_pgtable(dev->pci, budget->buffer_size, &budget->pt); if (budget->grabbing == NULL) { ret = -ENOMEM; goto err_del_i2c; } saa7146_write(dev, PCI_BT_V1, 0x001c0000); /* upload all */ saa7146_write(dev, GPIO_CTRL, 0x000000); INIT_WORK(&budget->vpe_bh_work, vpeirq); /* frontend power on */ if (bi->type != BUDGET_FS_ACTIVY) saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTHI); ret = budget_register(budget); if (ret == 0) return 0; /* Everything OK */ /* An error occurred, cleanup resources */ saa7146_vfree_destroy_pgtable(dev->pci, budget->grabbing, &budget->pt); err_del_i2c: i2c_del_adapter(&budget->i2c_adap); err_dvb_unregister: dvb_unregister_adapter(&budget->dvb_adapter); return ret; } EXPORT_SYMBOL_GPL(ttpci_budget_init); void ttpci_budget_init_hooks(struct budget *budget) { if (budget->dvb_frontend && !budget->read_fe_status) { budget->read_fe_status = budget->dvb_frontend->ops.read_status; budget->dvb_frontend->ops.read_status = budget_read_fe_status; } } EXPORT_SYMBOL_GPL(ttpci_budget_init_hooks); int ttpci_budget_deinit(struct budget *budget) { struct saa7146_dev *dev = budget->dev; dprintk(2, "budget: %p\n", budget); budget_unregister(budget); cancel_work_sync(&budget->vpe_bh_work); saa7146_vfree_destroy_pgtable(dev->pci, budget->grabbing, &budget->pt); i2c_del_adapter(&budget->i2c_adap); dvb_unregister_adapter(&budget->dvb_adapter); return 0; } EXPORT_SYMBOL_GPL(ttpci_budget_deinit); void ttpci_budget_irq10_handler(struct saa7146_dev *dev, u32 *isr) { struct budget *budget = dev->ext_priv; dprintk(8, "dev: %p, budget: %p\n", dev, budget); if (*isr & MASK_10) queue_work(system_bh_wq, &budget->vpe_bh_work); } EXPORT_SYMBOL_GPL(ttpci_budget_irq10_handler); void ttpci_budget_set_video_port(struct saa7146_dev *dev, int video_port) { struct budget *budget = dev->ext_priv; spin_lock(&budget->feedlock); budget->video_port = video_port; if (budget->feeding) { stop_ts_capture(budget); start_ts_capture(budget); } spin_unlock(&budget->feedlock); } EXPORT_SYMBOL_GPL(ttpci_budget_set_video_port); MODULE_DESCRIPTION("base driver for the SAA7146 based Budget DVB cards"); MODULE_LICENSE("GPL");
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