aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/drivers/media/pci/ttpci/budget-core.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media/pci/ttpci/budget-core.c')
-rw-r--r--drivers/media/pci/ttpci/budget-core.c603
1 files changed, 0 insertions, 603 deletions
diff --git a/drivers/media/pci/ttpci/budget-core.c b/drivers/media/pci/ttpci/budget-core.c
deleted file mode 100644
index 5d5796f24469..000000000000
--- a/drivers/media/pci/ttpci/budget-core.c
+++ /dev/null
@@ -1,603 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * budget-core.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
- *
- * 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;
-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 = (struct 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 tasklet_struct *t)
-{
- struct budget *budget = from_tasklet(budget, t, vpe_tasklet);
- 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)) {
- printk("%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);
-}
-
-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);
-}
-
-
-/****************************************************************************
- * DVB API SECTION
- ****************************************************************************/
-
-static int budget_start_feed(struct dvb_demux_feed *feed)
-{
- struct dvb_demux *demux = feed->demux;
- struct budget *budget = (struct 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 = (struct 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);
- printk("%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 (NULL == budget->grabbing) {
- ret = -ENOMEM;
- goto err_del_i2c;
- }
-
- saa7146_write(dev, PCI_BT_V1, 0x001c0000);
- /* upload all */
- saa7146_write(dev, GPIO_CTRL, 0x000000);
-
- tasklet_setup(&budget->vpe_tasklet, vpeirq);
-
- /* frontend power on */
- if (bi->type != BUDGET_FS_ACTIVY)
- saa7146_setgpio(dev, 2, SAA7146_GPIO_OUTHI);
-
- if ((ret = budget_register(budget)) == 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;
-}
-
-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;
- }
-}
-
-int ttpci_budget_deinit(struct budget *budget)
-{
- struct saa7146_dev *dev = budget->dev;
-
- dprintk(2, "budget: %p\n", budget);
-
- budget_unregister(budget);
-
- tasklet_kill(&budget->vpe_tasklet);
-
- saa7146_vfree_destroy_pgtable(dev->pci, budget->grabbing, &budget->pt);
-
- i2c_del_adapter(&budget->i2c_adap);
-
- dvb_unregister_adapter(&budget->dvb_adapter);
-
- return 0;
-}
-
-void ttpci_budget_irq10_handler(struct saa7146_dev *dev, u32 * isr)
-{
- struct budget *budget = (struct budget *) dev->ext_priv;
-
- dprintk(8, "dev: %p, budget: %p\n", dev, budget);
-
- if (*isr & MASK_10)
- tasklet_schedule(&budget->vpe_tasklet);
-}
-
-void ttpci_budget_set_video_port(struct saa7146_dev *dev, int video_port)
-{
- struct budget *budget = (struct 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_debiread);
-EXPORT_SYMBOL_GPL(ttpci_budget_debiwrite);
-EXPORT_SYMBOL_GPL(ttpci_budget_init);
-EXPORT_SYMBOL_GPL(ttpci_budget_init_hooks);
-EXPORT_SYMBOL_GPL(ttpci_budget_deinit);
-EXPORT_SYMBOL_GPL(ttpci_budget_irq10_handler);
-EXPORT_SYMBOL_GPL(ttpci_budget_set_video_port);
-EXPORT_SYMBOL_GPL(budget_debug);
-
-MODULE_LICENSE("GPL");