diff options
Diffstat (limited to 'drivers/media/dvb/ngene/ngene-core.c')
| -rw-r--r-- | drivers/media/dvb/ngene/ngene-core.c | 1707 |
1 files changed, 0 insertions, 1707 deletions
diff --git a/drivers/media/dvb/ngene/ngene-core.c b/drivers/media/dvb/ngene/ngene-core.c deleted file mode 100644 index c8e0d5b99d4c..000000000000 --- a/drivers/media/dvb/ngene/ngene-core.c +++ /dev/null @@ -1,1707 +0,0 @@ -/* - * ngene.c: nGene PCIe bridge driver - * - * Copyright (C) 2005-2007 Micronas - * - * Copyright (C) 2008-2009 Ralph Metzler <rjkm@metzlerbros.de> - * Modifications for new nGene firmware, - * support for EEPROM-copying, - * support for new dual DVB-S2 card prototype - * - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * version 2 only, as published by the Free Software Foundation. - * - * - * 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., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA - * Or, point your browser to http://www.gnu.org/copyleft/gpl.html - */ - -#include <linux/module.h> -#include <linux/init.h> -#include <linux/delay.h> -#include <linux/poll.h> -#include <linux/io.h> -#include <asm/div64.h> -#include <linux/pci.h> -#include <linux/timer.h> -#include <linux/byteorder/generic.h> -#include <linux/firmware.h> -#include <linux/vmalloc.h> - -#include "ngene.h" - -static int one_adapter; -module_param(one_adapter, int, 0444); -MODULE_PARM_DESC(one_adapter, "Use only one adapter."); - -static int shutdown_workaround; -module_param(shutdown_workaround, int, 0644); -MODULE_PARM_DESC(shutdown_workaround, "Activate workaround for shutdown problem with some chipsets."); - -static int debug; -module_param(debug, int, 0444); -MODULE_PARM_DESC(debug, "Print debugging information."); - -DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); - -#define dprintk if (debug) printk - -#define ngwriteb(dat, adr) writeb((dat), (char *)(dev->iomem + (adr))) -#define ngwritel(dat, adr) writel((dat), (char *)(dev->iomem + (adr))) -#define ngwriteb(dat, adr) writeb((dat), (char *)(dev->iomem + (adr))) -#define ngreadl(adr) readl(dev->iomem + (adr)) -#define ngreadb(adr) readb(dev->iomem + (adr)) -#define ngcpyto(adr, src, count) memcpy_toio((char *) \ - (dev->iomem + (adr)), (src), (count)) -#define ngcpyfrom(dst, adr, count) memcpy_fromio((dst), (char *) \ - (dev->iomem + (adr)), (count)) - -/****************************************************************************/ -/* nGene interrupt handler **************************************************/ -/****************************************************************************/ - -static void event_tasklet(unsigned long data) -{ - struct ngene *dev = (struct ngene *)data; - - while (dev->EventQueueReadIndex != dev->EventQueueWriteIndex) { - struct EVENT_BUFFER Event = - dev->EventQueue[dev->EventQueueReadIndex]; - dev->EventQueueReadIndex = - (dev->EventQueueReadIndex + 1) & (EVENT_QUEUE_SIZE - 1); - - if ((Event.UARTStatus & 0x01) && (dev->TxEventNotify)) - dev->TxEventNotify(dev, Event.TimeStamp); - if ((Event.UARTStatus & 0x02) && (dev->RxEventNotify)) - dev->RxEventNotify(dev, Event.TimeStamp, - Event.RXCharacter); - } -} - -static void demux_tasklet(unsigned long data) -{ - struct ngene_channel *chan = (struct ngene_channel *)data; - struct SBufferHeader *Cur = chan->nextBuffer; - - spin_lock_irq(&chan->state_lock); - - while (Cur->ngeneBuffer.SR.Flags & 0x80) { - if (chan->mode & NGENE_IO_TSOUT) { - u32 Flags = chan->DataFormatFlags; - if (Cur->ngeneBuffer.SR.Flags & 0x20) - Flags |= BEF_OVERFLOW; - if (chan->pBufferExchange) { - if (!chan->pBufferExchange(chan, - Cur->Buffer1, - chan->Capture1Length, - Cur->ngeneBuffer.SR. - Clock, Flags)) { - /* - We didn't get data - Clear in service flag to make sure we - get called on next interrupt again. - leave fill/empty (0x80) flag alone - to avoid hardware running out of - buffers during startup, we hold only - in run state ( the source may be late - delivering data ) - */ - - if (chan->HWState == HWSTATE_RUN) { - Cur->ngeneBuffer.SR.Flags &= - ~0x40; - break; - /* Stop processing stream */ - } - } else { - /* We got a valid buffer, - so switch to run state */ - chan->HWState = HWSTATE_RUN; - } - } else { - printk(KERN_ERR DEVICE_NAME ": OOPS\n"); - if (chan->HWState == HWSTATE_RUN) { - Cur->ngeneBuffer.SR.Flags &= ~0x40; - break; /* Stop processing stream */ - } - } - if (chan->AudioDTOUpdated) { - printk(KERN_INFO DEVICE_NAME - ": Update AudioDTO = %d\n", - chan->AudioDTOValue); - Cur->ngeneBuffer.SR.DTOUpdate = - chan->AudioDTOValue; - chan->AudioDTOUpdated = 0; - } - } else { - if (chan->HWState == HWSTATE_RUN) { - u32 Flags = chan->DataFormatFlags; - IBufferExchange *exch1 = chan->pBufferExchange; - IBufferExchange *exch2 = chan->pBufferExchange2; - if (Cur->ngeneBuffer.SR.Flags & 0x01) - Flags |= BEF_EVEN_FIELD; - if (Cur->ngeneBuffer.SR.Flags & 0x20) - Flags |= BEF_OVERFLOW; - spin_unlock_irq(&chan->state_lock); - if (exch1) - exch1(chan, Cur->Buffer1, - chan->Capture1Length, - Cur->ngeneBuffer.SR.Clock, - Flags); - if (exch2) - exch2(chan, Cur->Buffer2, - chan->Capture2Length, - Cur->ngeneBuffer.SR.Clock, - Flags); - spin_lock_irq(&chan->state_lock); - } else if (chan->HWState != HWSTATE_STOP) - chan->HWState = HWSTATE_RUN; - } - Cur->ngeneBuffer.SR.Flags = 0x00; - Cur = Cur->Next; - } - chan->nextBuffer = Cur; - - spin_unlock_irq(&chan->state_lock); -} - -static irqreturn_t irq_handler(int irq, void *dev_id) -{ - struct ngene *dev = (struct ngene *)dev_id; - u32 icounts = 0; - irqreturn_t rc = IRQ_NONE; - u32 i = MAX_STREAM; - u8 *tmpCmdDoneByte; - - if (dev->BootFirmware) { - icounts = ngreadl(NGENE_INT_COUNTS); - if (icounts != dev->icounts) { - ngwritel(0, FORCE_NMI); - dev->cmd_done = 1; - wake_up(&dev->cmd_wq); - dev->icounts = icounts; - rc = IRQ_HANDLED; - } - return rc; - } - - ngwritel(0, FORCE_NMI); - - spin_lock(&dev->cmd_lock); - tmpCmdDoneByte = dev->CmdDoneByte; - if (tmpCmdDoneByte && - (*tmpCmdDoneByte || - (dev->ngenetohost[0] == 1 && dev->ngenetohost[1] != 0))) { - dev->CmdDoneByte = NULL; - dev->cmd_done = 1; - wake_up(&dev->cmd_wq); - rc = IRQ_HANDLED; - } - spin_unlock(&dev->cmd_lock); - - if (dev->EventBuffer->EventStatus & 0x80) { - u8 nextWriteIndex = - (dev->EventQueueWriteIndex + 1) & - (EVENT_QUEUE_SIZE - 1); - if (nextWriteIndex != dev->EventQueueReadIndex) { - dev->EventQueue[dev->EventQueueWriteIndex] = - *(dev->EventBuffer); - dev->EventQueueWriteIndex = nextWriteIndex; - } else { - printk(KERN_ERR DEVICE_NAME ": event overflow\n"); - dev->EventQueueOverflowCount += 1; - dev->EventQueueOverflowFlag = 1; - } - dev->EventBuffer->EventStatus &= ~0x80; - tasklet_schedule(&dev->event_tasklet); - rc = IRQ_HANDLED; - } - - while (i > 0) { - i--; - spin_lock(&dev->channel[i].state_lock); - /* if (dev->channel[i].State>=KSSTATE_RUN) { */ - if (dev->channel[i].nextBuffer) { - if ((dev->channel[i].nextBuffer-> - ngeneBuffer.SR.Flags & 0xC0) == 0x80) { - dev->channel[i].nextBuffer-> - ngeneBuffer.SR.Flags |= 0x40; - tasklet_schedule( - &dev->channel[i].demux_tasklet); - rc = IRQ_HANDLED; - } - } - spin_unlock(&dev->channel[i].state_lock); - } - - /* Request might have been processed by a previous call. */ - return IRQ_HANDLED; -} - -/****************************************************************************/ -/* nGene command interface **************************************************/ -/****************************************************************************/ - -static void dump_command_io(struct ngene *dev) -{ - u8 buf[8], *b; - - ngcpyfrom(buf, HOST_TO_NGENE, 8); - printk(KERN_ERR "host_to_ngene (%04x): %*ph\n", HOST_TO_NGENE, 8, buf); - - ngcpyfrom(buf, NGENE_TO_HOST, 8); - printk(KERN_ERR "ngene_to_host (%04x): %*ph\n", NGENE_TO_HOST, 8, buf); - - b = dev->hosttongene; - printk(KERN_ERR "dev->hosttongene (%p): %*ph\n", b, 8, b); - - b = dev->ngenetohost; - printk(KERN_ERR "dev->ngenetohost (%p): %*ph\n", b, 8, b); -} - -static int ngene_command_mutex(struct ngene *dev, struct ngene_command *com) -{ - int ret; - u8 *tmpCmdDoneByte; - - dev->cmd_done = 0; - - if (com->cmd.hdr.Opcode == CMD_FWLOAD_PREPARE) { - dev->BootFirmware = 1; - dev->icounts = ngreadl(NGENE_INT_COUNTS); - ngwritel(0, NGENE_COMMAND); - ngwritel(0, NGENE_COMMAND_HI); - ngwritel(0, NGENE_STATUS); - ngwritel(0, NGENE_STATUS_HI); - ngwritel(0, NGENE_EVENT); - ngwritel(0, NGENE_EVENT_HI); - } else if (com->cmd.hdr.Opcode == CMD_FWLOAD_FINISH) { - u64 fwio = dev->PAFWInterfaceBuffer; - - ngwritel(fwio & 0xffffffff, NGENE_COMMAND); - ngwritel(fwio >> 32, NGENE_COMMAND_HI); - ngwritel((fwio + 256) & 0xffffffff, NGENE_STATUS); - ngwritel((fwio + 256) >> 32, NGENE_STATUS_HI); - ngwritel((fwio + 512) & 0xffffffff, NGENE_EVENT); - ngwritel((fwio + 512) >> 32, NGENE_EVENT_HI); - } - - memcpy(dev->FWInterfaceBuffer, com->cmd.raw8, com->in_len + 2); - - if (dev->BootFirmware) - ngcpyto(HOST_TO_NGENE, com->cmd.raw8, com->in_len + 2); - - spin_lock_irq(&dev->cmd_lock); - tmpCmdDoneByte = dev->ngenetohost + com->out_len; - if (!com->out_len) - tmpCmdDoneByte++; - *tmpCmdDoneByte = 0; - dev->ngenetohost[0] = 0; - dev->ngenetohost[1] = 0; - dev->CmdDoneByte = tmpCmdDoneByte; - spin_unlock_irq(&dev->cmd_lock); - - /* Notify 8051. */ - ngwritel(1, FORCE_INT); - - ret = wait_event_timeout(dev->cmd_wq, dev->cmd_done == 1, 2 * HZ); - if (!ret) { - /*ngwritel(0, FORCE_NMI);*/ - - printk(KERN_ERR DEVICE_NAME - ": Command timeout cmd=%02x prev=%02x\n", - com->cmd.hdr.Opcode, dev->prev_cmd); - dump_command_io(dev); - return -1; - } - if (com->cmd.hdr.Opcode == CMD_FWLOAD_FINISH) - dev->BootFirmware = 0; - - dev->prev_cmd = com->cmd.hdr.Opcode; - - if (!com->out_len) - return 0; - - memcpy(com->cmd.raw8, dev->ngenetohost, com->out_len); - - return 0; -} - -int ngene_command(struct ngene *dev, struct ngene_command *com) -{ - int result; - - down(&dev->cmd_mutex); - result = ngene_command_mutex(dev, com); - up(&dev->cmd_mutex); - return result; -} - - -static int ngene_command_load_firmware(struct ngene *dev, - u8 *ngene_fw, u32 size) -{ -#define FIRSTCHUNK (1024) - u32 cleft; - struct ngene_command com; - - com.cmd.hdr.Opcode = CMD_FWLOAD_PREPARE; - com.cmd.hdr.Length = 0; - com.in_len = 0; - com.out_len = 0; - - ngene_command(dev, &com); - - cleft = (size + 3) & ~3; - if (cleft > FIRSTCHUNK) { - ngcpyto(PROGRAM_SRAM + FIRSTCHUNK, ngene_fw + FIRSTCHUNK, - cleft - FIRSTCHUNK); - cleft = FIRSTCHUNK; - } - ngcpyto(DATA_FIFO_AREA, ngene_fw, cleft); - - memset(&com, 0, sizeof(struct ngene_command)); - com.cmd.hdr.Opcode = CMD_FWLOAD_FINISH; - com.cmd.hdr.Length = 4; - com.cmd.FWLoadFinish.Address = DATA_FIFO_AREA; - com.cmd.FWLoadFinish.Length = (unsigned short)cleft; - com.in_len = 4; - com.out_len = 0; - - return ngene_command(dev, &com); -} - - -static int ngene_command_config_buf(struct ngene *dev, u8 config) -{ - struct ngene_command com; - - com.cmd.hdr.Opcode = CMD_CONFIGURE_BUFFER; - com.cmd.hdr.Length = 1; - com.cmd.ConfigureBuffers.config = config; - com.in_len = 1; - com.out_len = 0; - - if (ngene_command(dev, &com) < 0) - return -EIO; - return 0; -} - -static int ngene_command_config_free_buf(struct ngene *dev, u8 *config) -{ - struct ngene_command com; - - com.cmd.hdr.Opcode = CMD_CONFIGURE_FREE_BUFFER; - com.cmd.hdr.Length = 6; - memcpy(&com.cmd.ConfigureBuffers.config, config, 6); - com.in_len = 6; - com.out_len = 0; - - if (ngene_command(dev, &com) < 0) - return -EIO; - - return 0; -} - -int ngene_command_gpio_set(struct ngene *dev, u8 select, u8 level) -{ - struct ngene_command com; - - com.cmd.hdr.Opcode = CMD_SET_GPIO_PIN; - com.cmd.hdr.Length = 1; - com.cmd.SetGpioPin.select = select | (level << 7); - com.in_len = 1; - com.out_len = 0; - - return ngene_command(dev, &com); -} - - -/* - 02000640 is sample on rising edge. - 02000740 is sample on falling edge. - 02000040 is ignore "valid" signal - - 0: FD_CTL1 Bit 7,6 must be 0,1 - 7 disable(fw controlled) - 6 0-AUX,1-TS - 5 0-par,1-ser - 4 0-lsb/1-msb - 3,2 reserved - 1,0 0-no sync, 1-use ext. start, 2-use 0x47, 3-both - 1: FD_CTL2 has 3-valid must be hi, 2-use valid, 1-edge - 2: FD_STA is read-only. 0-sync - 3: FD_INSYNC is number of 47s to trigger "in sync". - 4: FD_OUTSYNC is number of 47s to trigger "out of sync". - 5: FD_MAXBYTE1 is low-order of bytes per packet. - 6: FD_MAXBYTE2 is high-order of bytes per packet. - 7: Top byte is unused. -*/ - -/****************************************************************************/ - -static u8 TSFeatureDecoderSetup[8 * 5] = { - 0x42, 0x00, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00, - 0x40, 0x06, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00, /* DRXH */ - 0x71, 0x07, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00, /* DRXHser */ - 0x72, 0x00, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00, /* S2ser */ - 0x40, 0x07, 0x00, 0x02, 0x02, 0xbc, 0x00, 0x00, /* LGDT3303 */ -}; - -/* Set NGENE I2S Config to 16 bit packed */ -static u8 I2SConfiguration[] = { - 0x00, 0x10, 0x00, 0x00, - 0x80, 0x10, 0x00, 0x00, -}; - -static u8 SPDIFConfiguration[10] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 -}; - -/* Set NGENE I2S Config to transport stream compatible mode */ - -static u8 TS_I2SConfiguration[4] = { 0x3E, 0x18, 0x00, 0x00 }; - -static u8 TS_I2SOutConfiguration[4] = { 0x80, 0x04, 0x00, 0x00 }; - -static u8 ITUDecoderSetup[4][16] = { - {0x1c, 0x13, 0x01, 0x68, 0x3d, 0x90, 0x14, 0x20, /* SDTV */ - 0x00, 0x00, 0x01, 0xb0, 0x9c, 0x00, 0x00, 0x00}, - {0x9c, 0x03, 0x23, 0xC0, 0x60, 0x0E, 0x13, 0x00, - 0x00, 0x00, 0x00, 0x01, 0xB0, 0x00, 0x00, 0x00}, - {0x9f, 0x00, 0x23, 0xC0, 0x60, 0x0F, 0x13, 0x00, /* HDTV 1080i50 */ - 0x00, 0x00, 0x00, 0x01, 0xB0, 0x00, 0x00, 0x00}, - {0x9c, 0x01, 0x23, 0xC0, 0x60, 0x0E, 0x13, 0x00, /* HDTV 1080i60 */ - 0x00, 0x00, 0x00, 0x01, 0xB0, 0x00, 0x00, 0x00}, -}; - -/* - * 50 48 60 gleich - * 27p50 9f 00 22 80 42 69 18 ... - * 27p60 93 00 22 80 82 69 1c ... - */ - -/* Maxbyte to 1144 (for raw data) */ -static u8 ITUFeatureDecoderSetup[8] = { - 0x00, 0x00, 0x00, 0x00, 0x00, 0x78, 0x04, 0x00 -}; - -void FillTSBuffer(void *Buffer, int Length, u32 Flags) -{ - u32 *ptr = Buffer; - - memset(Buffer, TS_FILLER, Length); - while (Length > 0) { - if (Flags & DF_SWAP32) - *ptr = 0x471FFF10; - else - *ptr = 0x10FF1F47; - ptr += (188 / 4); - Length -= 188; - } -} - - -static void flush_buffers(struct ngene_channel *chan) -{ - u8 val; - - do { - msleep(1); - spin_lock_irq(&chan->state_lock); - val = chan->nextBuffer->ngeneBuffer.SR.Flags & 0x80; - spin_unlock_irq(&chan->state_lock); - } while (val); -} - -static void clear_buffers(struct ngene_channel *chan) -{ - struct SBufferHeader *Cur = chan->nextBuffer; - - do { - memset(&Cur->ngeneBuffer.SR, 0, sizeof(Cur->ngeneBuffer.SR)); - if (chan->mode & NGENE_IO_TSOUT) - FillTSBuffer(Cur->Buffer1, - chan->Capture1Length, - chan->DataFormatFlags); - Cur = Cur->Next; - } while (Cur != chan->nextBuffer); - - if (chan->mode & NGENE_IO_TSOUT) { - chan->nextBuffer->ngeneBuffer.SR.DTOUpdate = - chan->AudioDTOValue; - chan->AudioDTOUpdated = 0; - - Cur = chan->TSIdleBuffer.Head; - - do { - memset(&Cur->ngeneBuffer.SR, 0, - sizeof(Cur->ngeneBuffer.SR)); - FillTSBuffer(Cur->Buffer1, - chan->Capture1Length, - chan->DataFormatFlags); - Cur = Cur->Next; - } while (Cur != chan->TSIdleBuffer.Head); - } -} - -static int ngene_command_stream_control(struct ngene *dev, u8 stream, - u8 control, u8 mode, u8 flags) -{ - struct ngene_channel *chan = &dev->channel[stream]; - struct ngene_command com; - u16 BsUVI = ((stream & 1) ? 0x9400 : 0x9300); - u16 BsSDI = ((stream & 1) ? 0x9600 : 0x9500); - u16 BsSPI = ((stream & 1) ? 0x9800 : 0x9700); - u16 BsSDO = 0x9B00; - - down(&dev->stream_mutex); - memset(&com, 0, sizeof(com)); - com.cmd.hdr.Opcode = CMD_CONTROL; - com.cmd.hdr.Length = sizeof(struct FW_STREAM_CONTROL) - 2; - com.cmd.StreamControl.Stream = stream | (control ? 8 : 0); - if (chan->mode & NGENE_IO_TSOUT) - com.cmd.StreamControl.Stream |= 0x07; - com.cmd.StreamControl.Control = control | - (flags & SFLAG_ORDER_LUMA_CHROMA); - com.cmd.StreamControl.Mode = mode; - com.in_len = sizeof(struct FW_STREAM_CONTROL); - com.out_len = 0; - - dprintk(KERN_INFO DEVICE_NAME - ": Stream=%02x, Control=%02x, Mode=%02x\n", - com.cmd.StreamControl.Stream, com.cmd.StreamControl.Control, - com.cmd.StreamControl.Mode); - - chan->Mode = mode; - - if (!(control & 0x80)) { - spin_lock_irq(&chan->state_lock); - if (chan->State == KSSTATE_RUN) { - chan->State = KSSTATE_ACQUIRE; - chan->HWState = HWSTATE_STOP; - spin_unlock_irq(&chan->state_lock); - if (ngene_command(dev, &com) < 0) { - up(&dev->stream_mutex); - return -1; - } - /* clear_buffers(chan); */ - flush_buffers(chan); - up(&dev->stream_mutex); - return 0; - } - spin_unlock_irq(&chan->state_lock); - up(&dev->stream_mutex); - return 0; - } - - if (mode & SMODE_AUDIO_CAPTURE) { - com.cmd.StreamControl.CaptureBlockCount = - chan->Capture1Length / AUDIO_BLOCK_SIZE; - com.cmd.StreamControl.Buffer_Address = chan->RingBuffer.PAHead; - } else if (mode & SMODE_TRANSPORT_STREAM) { - com.cmd.StreamControl.CaptureBlockCount = - chan->Capture1Length / TS_BLOCK_SIZE; - com.cmd.StreamControl.MaxLinesPerField = - chan->Capture1Length / TS_BLOCK_SIZE; - com.cmd.StreamControl.Buffer_Address = - chan->TSRingBuffer.PAHead; - if (chan->mode & NGENE_IO_TSOUT) { - com.cmd.StreamControl.BytesPerVBILine = - chan->Capture1Length / TS_BLOCK_SIZE; - com.cmd.StreamControl.Stream |= 0x07; - } - } else { - com.cmd.StreamControl.BytesPerVideoLine = chan->nBytesPerLine; - com.cmd.StreamControl.MaxLinesPerField = chan->nLines; - com.cmd.StreamControl.MinLinesPerField = 100; - com.cmd.StreamControl.Buffer_Address = chan->RingBuffer.PAHead; - - if (mode & SMODE_VBI_CAPTURE) { - com.cmd.StreamControl.MaxVBILinesPerField = - chan->nVBILines; - com.cmd.StreamControl.MinVBILinesPerField = 0; - com.cmd.StreamControl.BytesPerVBILine = - chan->nBytesPerVBILine; - } - if (flags & SFLAG_COLORBAR) - com.cmd.StreamControl.Stream |= 0x04; - } - - spin_lock_irq(&chan->state_lock); - if (mode & SMODE_AUDIO_CAPTURE) { - chan->nextBuffer = chan->RingBuffer.Head; - if (mode & SMODE_AUDIO_SPDIF) { - com.cmd.StreamControl.SetupDataLen = - sizeof(SPDIFConfiguration); - com.cmd.StreamControl.SetupDataAddr = BsSPI; - memcpy(com.cmd.StreamControl.SetupData, - SPDIFConfiguration, sizeof(SPDIFConfiguration)); - } else { - com.cmd.StreamControl.SetupDataLen = 4; - com.cmd.StreamControl.SetupDataAddr = BsSDI; - memcpy(com.cmd.StreamControl.SetupData, - I2SConfiguration + - 4 * dev->card_info->i2s[stream], 4); - } - } else if (mode & SMODE_TRANSPORT_STREAM) { - chan->nextBuffer = chan->TSRingBuffer.Head; - if (stream >= STREAM_AUDIOIN1) { - if (chan->mode & NGENE_IO_TSOUT) { - com.cmd.StreamControl.SetupDataLen = - sizeof(TS_I2SOutConfiguration); - com.cmd.StreamControl.SetupDataAddr = BsSDO; - memcpy(com.cmd.StreamControl.SetupData, - TS_I2SOutConfiguration, - sizeof(TS_I2SOutConfiguration)); - } else { - com.cmd.StreamControl.SetupDataLen = - sizeof(TS_I2SConfiguration); - com.cmd.StreamControl.SetupDataAddr = BsSDI; - memcpy(com.cmd.StreamControl.SetupData, - TS_I2SConfiguration, - sizeof(TS_I2SConfiguration)); - } - } else { - com.cmd.StreamControl.SetupDataLen = 8; - com.cmd.StreamControl.SetupDataAddr = BsUVI + 0x10; - memcpy(com.cmd.StreamControl.SetupData, - TSFeatureDecoderSetup + - 8 * dev->card_info->tsf[stream], 8); - } - } else { - chan->nextBuffer = chan->RingBuffer.Head; - com.cmd.StreamControl.SetupDataLen = - 16 + sizeof(ITUFeatureDecoderSetup); - com.cmd.StreamControl.SetupDataAddr = BsUVI; - memcpy(com.cmd.StreamControl.SetupData, - ITUDecoderSetup[chan->itumode], 16); - memcpy(com.cmd.StreamControl.SetupData + 16, - ITUFeatureDecoderSetup, sizeof(ITUFeatureDecoderSetup)); - } - clear_buffers(chan); - chan->State = KSSTATE_RUN; - if (mode & SMODE_TRANSPORT_STREAM) - chan->HWState = HWSTATE_RUN; - else - chan->HWState = HWSTATE_STARTUP; - spin_unlock_irq(&chan->state_lock); - - if (ngene_command(dev, &com) < 0) { - up(&dev->stream_mutex); - return -1; - } - up(&dev->stream_mutex); - return 0; -} - -void set_transfer(struct ngene_channel *chan, int state) -{ - u8 control = 0, mode = 0, flags = 0; - struct ngene *dev = chan->dev; - int ret; - - /* - printk(KERN_INFO DEVICE_NAME ": st %d\n", state); - msleep(100); - */ - - if (state) { - if (chan->running) { - printk(KERN_INFO DEVICE_NAME ": already running\n"); - return; - } - } else { - if (!chan->running) { - printk(KERN_INFO DEVICE_NAME ": already stopped\n"); - return; - } - } - - if (dev->card_info->switch_ctrl) - dev->card_info->switch_ctrl(chan, 1, state ^ 1); - - if (state) { - spin_lock_irq(&chan->state_lock); - - /* printk(KERN_INFO DEVICE_NAME ": lock=%08x\n", - ngreadl(0x9310)); */ - dvb_ringbuffer_flush(&dev->tsout_rbuf); - control = 0x80; - if (chan->mode & (NGENE_IO_TSIN | NGENE_IO_TSOUT)) { - chan->Capture1Length = 512 * 188; - mode = SMODE_TRANSPORT_STREAM; - } - if (chan->mode & NGENE_IO_TSOUT) { - chan->pBufferExchange = tsout_exchange; - /* 0x66666666 = 50MHz *2^33 /250MHz */ - chan->AudioDTOValue = 0x80000000; - chan->AudioDTOUpdated = 1; - } - if (chan->mode & NGENE_IO_TSIN) - chan->pBufferExchange = tsin_exchange; - spin_unlock_irq(&chan->state_lock); - } else - ;/* printk(KERN_INFO DEVICE_NAME ": lock=%08x\n", - ngreadl(0x9310)); */ - - ret = ngene_command_stream_control(dev, chan->number, - control, mode, flags); - if (!ret) - chan->running = state; - else - printk(KERN_ERR DEVICE_NAME ": set_transfer %d failed\n", - state); - if (!state) { - spin_lock_irq(&chan->state_lock); - chan->pBufferExchange = NULL; - dvb_ringbuffer_flush(&dev->tsout_rbuf); - spin_unlock_irq(&chan->state_lock); - } -} - - -/****************************************************************************/ -/* nGene hardware init and release functions ********************************/ -/****************************************************************************/ - -static void free_ringbuffer(struct ngene *dev, struct SRingBufferDescriptor *rb) -{ - struct SBufferHeader *Cur = rb->Head; - u32 j; - - if (!Cur) - return; - - for (j = 0; j < rb->NumBuffers; j++, Cur = Cur->Next) { - if (Cur->Buffer1) - pci_free_consistent(dev->pci_dev, - rb->Buffer1Length, - Cur->Buffer1, - Cur->scList1->Address); - - if (Cur->Buffer2) - pci_free_consistent(dev->pci_dev, - rb->Buffer2Length, - Cur->Buffer2, - Cur->scList2->Address); - } - - if (rb->SCListMem) - pci_free_consistent(dev->pci_dev, rb->SCListMemSize, - rb->SCListMem, rb->PASCListMem); - - pci_free_consistent(dev->pci_dev, rb->MemSize, rb->Head, rb->PAHead); -} - -static void free_idlebuffer(struct ngene *dev, - struct SRingBufferDescriptor *rb, - struct SRingBufferDescriptor *tb) -{ - int j; - struct SBufferHeader *Cur = tb->Head; - - if (!rb->Head) - return; - free_ringbuffer(dev, rb); - for (j = 0; j < tb->NumBuffers; j++, Cur = Cur->Next) { - Cur->Buffer2 = NULL; - Cur->scList2 = NULL; - Cur->ngeneBuffer.Address_of_first_entry_2 = 0; - Cur->ngeneBuffer.Number_of_entries_2 = 0; - } -} - -static void free_common_buffers(struct ngene *dev) -{ - u32 i; - struct ngene_channel *chan; - - for (i = STREAM_VIDEOIN1; i < MAX_STREAM; i++) { - chan = &dev->channel[i]; - free_idlebuffer(dev, &chan->TSIdleBuffer, &chan->TSRingBuffer); - free_ringbuffer(dev, &chan->RingBuffer); - free_ringbuffer(dev, &chan->TSRingBuffer); - } - - if (dev->OverflowBuffer) - pci_free_consistent(dev->pci_dev, - OVERFLOW_BUFFER_SIZE, - dev->OverflowBuffer, dev->PAOverflowBuffer); - - if (dev->FWInterfaceBuffer) - pci_free_consistent(dev->pci_dev, - 4096, - dev->FWInterfaceBuffer, - dev->PAFWInterfaceBuffer); -} - -/****************************************************************************/ -/* Ring buffer handling *****************************************************/ -/****************************************************************************/ - -static int create_ring_buffer(struct pci_dev *pci_dev, - struct SRingBufferDescriptor *descr, u32 NumBuffers) -{ - dma_addr_t tmp; - struct SBufferHeader *Head; - u32 i; - u32 MemSize = SIZEOF_SBufferHeader * NumBuffers; - u64 PARingBufferHead; - u64 PARingBufferCur; - u64 PARingBufferNext; - struct SBufferHeader *Cur, *Next; - - descr->Head = NULL; - descr->MemSize = 0; - descr->PAHead = 0; - descr->NumBuffers = 0; - - if (MemSize < 4096) - MemSize = 4096; - - Head = pci_alloc_consistent(pci_dev, MemSize, &tmp); - PARingBufferHead = tmp; - - if (!Head) - return -ENOMEM; - - memset(Head, 0, MemSize); - - PARingBufferCur = PARingBufferHead; - Cur = Head; - - for (i = 0; i < NumBuffers - 1; i++) { - Next = (struct SBufferHeader *) - (((u8 *) Cur) + SIZEOF_SBufferHeader); - PARingBufferNext = PARingBufferCur + SIZEOF_SBufferHeader; - Cur->Next = Next; - Cur->ngeneBuffer.Next = PARingBufferNext; - Cur = Next; - PARingBufferCur = PARingBufferNext; - } - /* Last Buffer points back to first one */ - Cur->Next = Head; - Cur->ngeneBuffer.Next = PARingBufferHead; - - descr->Head = Head; - descr->MemSize = MemSize; - descr->PAHead = PARingBufferHead; - descr->NumBuffers = NumBuffers; - - return 0; -} - -static int AllocateRingBuffers(struct pci_dev *pci_dev, - dma_addr_t of, - struct SRingBufferDescriptor *pRingBuffer, - u32 Buffer1Length, u32 Buffer2Length) -{ - dma_addr_t tmp; - u32 i, j; - int status = 0; - u32 SCListMemSize = pRingBuffer->NumBuffers - * ((Buffer2Length != 0) ? (NUM_SCATTER_GATHER_ENTRIES * 2) : - NUM_SCATTER_GATHER_ENTRIES) - * sizeof(struct HW_SCATTER_GATHER_ELEMENT); - - u64 PASCListMem; - struct HW_SCATTER_GATHER_ELEMENT *SCListEntry; - u64 PASCListEntry; - struct SBufferHeader *Cur; - void *SCListMem; - - if (SCListMemSize < 4096) - SCListMemSize = 4096; - - SCListMem = pci_alloc_consistent(pci_dev, SCListMemSize, &tmp); - - PASCListMem = tmp; - if (SCListMem == NULL) - return -ENOMEM; - - memset(SCListMem, 0, SCListMemSize); - - pRingBuffer->SCListMem = SCListMem; - pRingBuffer->PASCListMem = PASCListMem; - pRingBuffer->SCListMemSize = SCListMemSize; - pRingBuffer->Buffer1Length = Buffer1Length; - pRingBuffer->Buffer2Length = Buffer2Length; - - SCListEntry = SCListMem; - PASCListEntry = PASCListMem; - Cur = pRingBuffer->Head; - - for (i = 0; i < pRingBuffer->NumBuffers; i += 1, Cur = Cur->Next) { - u64 PABuffer; - - void *Buffer = pci_alloc_consistent(pci_dev, Buffer1Length, - &tmp); - PABuffer = tmp; - - if (Buffer == NULL) - return -ENOMEM; - - Cur->Buffer1 = Buffer; - - SCListEntry->Address = PABuffer; - SCListEntry->Length = Buffer1Length; - - Cur->scList1 = SCListEntry; - Cur->ngeneBuffer.Address_of_first_entry_1 = PASCListEntry; - Cur->ngeneBuffer.Number_of_entries_1 = - NUM_SCATTER_GATHER_ENTRIES; - - SCListEntry += 1; - PASCListEntry += sizeof(struct HW_SCATTER_GATHER_ELEMENT); - -#if NUM_SCATTER_GATHER_ENTRIES > 1 - for (j = 0; j < NUM_SCATTER_GATHER_ENTRIES - 1; j += 1) { - SCListEntry->Address = of; - SCListEntry->Length = OVERFLOW_BUFFER_SIZE; - SCListEntry += 1; - PASCListEntry += - sizeof(struct HW_SCATTER_GATHER_ELEMENT); - } -#endif - - if (!Buffer2Length) - continue; - - Buffer = pci_alloc_consistent(pci_dev, Buffer2Length, &tmp); - PABuffer = tmp; - - if (Buffer == NULL) - return -ENOMEM; - - Cur->Buffer2 = Buffer; - - SCListEntry->Address = PABuffer; - SCListEntry->Length = Buffer2Length; - - Cur->scList2 = SCListEntry; - Cur->ngeneBuffer.Address_of_first_entry_2 = PASCListEntry; - Cur->ngeneBuffer.Number_of_entries_2 = - NUM_SCATTER_GATHER_ENTRIES; - - SCListEntry += 1; - PASCListEntry += sizeof(struct HW_SCATTER_GATHER_ELEMENT); - -#if NUM_SCATTER_GATHER_ENTRIES > 1 - for (j = 0; j < NUM_SCATTER_GATHER_ENTRIES - 1; j++) { - SCListEntry->Address = of; - SCListEntry->Length = OVERFLOW_BUFFER_SIZE; - SCListEntry += 1; - PASCListEntry += - sizeof(struct HW_SCATTER_GATHER_ELEMENT); - } -#endif - - } - - return status; -} - -static int FillTSIdleBuffer(struct SRingBufferDescriptor *pIdleBuffer, - struct SRingBufferDescriptor *pRingBuffer) -{ - int status = 0; - - /* Copy pointer to scatter gather list in TSRingbuffer - structure for buffer 2 - Load number of buffer - */ - u32 n = pRingBuffer->NumBuffers; - - /* Point to first buffer entry */ - struct SBufferHeader *Cur = pRingBuffer->Head; - int i; - /* Loop thru all buffer and set Buffer 2 pointers to TSIdlebuffer */ - for (i = 0; i < n; i++) { - Cur->Buffer2 = pIdleBuffer->Head->Buffer1; - Cur->scList2 = pIdleBuffer->Head->scList1; - Cur->ngeneBuffer.Address_of_first_entry_2 = - pIdleBuffer->Head->ngeneBuffer. - Address_of_first_entry_1; - Cur->ngeneBuffer.Number_of_entries_2 = - pIdleBuffer->Head->ngeneBuffer.Number_of_entries_1; - Cur = Cur->Next; - } - return status; -} - -static u32 RingBufferSizes[MAX_STREAM] = { - RING_SIZE_VIDEO, - RING_SIZE_VIDEO, - RING_SIZE_AUDIO, - RING_SIZE_AUDIO, - RING_SIZE_AUDIO, -}; - -static u32 Buffer1Sizes[MAX_STREAM] = { - MAX_VIDEO_BUFFER_SIZE, - MAX_VIDEO_BUFFER_SIZE, - MAX_AUDIO_BUFFER_SIZE, - MAX_AUDIO_BUFFER_SIZE, - MAX_AUDIO_BUFFER_SIZE -}; - -static u32 Buffer2Sizes[MAX_STREAM] = { - MAX_VBI_BUFFER_SIZE, - MAX_VBI_BUFFER_SIZE, - 0, - 0, - 0 -}; - - -static int AllocCommonBuffers(struct ngene *dev) -{ - int status = 0, i; - - dev->FWInterfaceBuffer = pci_alloc_consistent(dev->pci_dev, 4096, - &dev->PAFWInterfaceBuffer); - if (!dev->FWInterfaceBuffer) - return -ENOMEM; - dev->hosttongene = dev->FWInterfaceBuffer; - dev->ngenetohost = dev->FWInterfaceBuffer + 256; - dev->EventBuffer = dev->FWInterfaceBuffer + 512; - - dev->OverflowBuffer = pci_alloc_consistent(dev->pci_dev, - OVERFLOW_BUFFER_SIZE, - &dev->PAOverflowBuffer); - if (!dev->OverflowBuffer) - return -ENOMEM; - memset(dev->OverflowBuffer, 0, OVERFLOW_BUFFER_SIZE); - - for (i = STREAM_VIDEOIN1; i < MAX_STREAM; i++) { - int type = dev->card_info->io_type[i]; - - dev->channel[i].State = KSSTATE_STOP; - - if (type & (NGENE_IO_TV | NGENE_IO_HDTV | NGENE_IO_AIN)) { - status = create_ring_buffer(dev->pci_dev, - &dev->channel[i].RingBuffer, - RingBufferSizes[i]); - if (status < 0) - break; - - if (type & (NGENE_IO_TV | NGENE_IO_AIN)) { - status = AllocateRingBuffers(dev->pci_dev, - dev-> - PAOverflowBuffer, - &dev->channel[i]. - RingBuffer, - Buffer1Sizes[i], - Buffer2Sizes[i]); - if (status < 0) - break; - } else if (type & NGENE_IO_HDTV) { - status = AllocateRingBuffers(dev->pci_dev, - dev-> - PAOverflowBuffer, - &dev->channel[i]. - RingBuffer, - MAX_HDTV_BUFFER_SIZE, - 0); - if (status < 0) - break; - } - } - - if (type & (NGENE_IO_TSIN | NGENE_IO_TSOUT)) { - - status = create_ring_buffer(dev->pci_dev, - &dev->channel[i]. - TSRingBuffer, RING_SIZE_TS); - if (status < 0) - break; - - status = AllocateRingBuffers(dev->pci_dev, - dev->PAOverflowBuffer, - &dev->channel[i]. - TSRingBuffer, - MAX_TS_BUFFER_SIZE, 0); - if (status) - break; - } - - if (type & NGENE_IO_TSOUT) { - status = create_ring_buffer(dev->pci_dev, - &dev->channel[i]. - TSIdleBuffer, 1); - if (status < 0) - break; - status = AllocateRingBuffers(dev->pci_dev, - dev->PAOverflowBuffer, - &dev->channel[i]. - TSIdleBuffer, - MAX_TS_BUFFER_SIZE, 0); - if (status) - break; - FillTSIdleBuffer(&dev->channel[i].TSIdleBuffer, - &dev->channel[i].TSRingBuffer); - } - } - return status; -} - -static void ngene_release_buffers(struct ngene *dev) -{ - if (dev->iomem) - iounmap(dev->iomem); - free_common_buffers(dev); - vfree(dev->tsout_buf); - vfree(dev->tsin_buf); - vfree(dev->ain_buf); - vfree(dev->vin_buf); - vfree(dev); -} - -static int ngene_get_buffers(struct ngene *dev) -{ - if (AllocCommonBuffers(dev)) - return -ENOMEM; - if (dev->card_info->io_type[4] & NGENE_IO_TSOUT) { - dev->tsout_buf = vmalloc(TSOUT_BUF_SIZE); - if (!dev->tsout_buf) - return -ENOMEM; - dvb_ringbuffer_init(&dev->tsout_rbuf, - dev->tsout_buf, TSOUT_BUF_SIZE); - } - if (dev->card_info->io_type[2]&NGENE_IO_TSIN) { - dev->tsin_buf = vmalloc(TSIN_BUF_SIZE); - if (!dev->tsin_buf) - return -ENOMEM; - dvb_ringbuffer_init(&dev->tsin_rbuf, - dev->tsin_buf, TSIN_BUF_SIZE); - } - if (dev->card_info->io_type[2] & NGENE_IO_AIN) { - dev->ain_buf = vmalloc(AIN_BUF_SIZE); - if (!dev->ain_buf) - return -ENOMEM; - dvb_ringbuffer_init(&dev->ain_rbuf, dev->ain_buf, AIN_BUF_SIZE); - } - if (dev->card_info->io_type[0] & NGENE_IO_HDTV) { - dev->vin_buf = vmalloc(VIN_BUF_SIZE); - if (!dev->vin_buf) - return -ENOMEM; - dvb_ringbuffer_init(&dev->vin_rbuf, dev->vin_buf, VIN_BUF_SIZE); - } - dev->iomem = ioremap(pci_resource_start(dev->pci_dev, 0), - pci_resource_len(dev->pci_dev, 0)); - if (!dev->iomem) - return -ENOMEM; - - return 0; -} - -static void ngene_init(struct ngene *dev) -{ - int i; - - tasklet_init(&dev->event_tasklet, event_tasklet, (unsigned long)dev); - - memset_io(dev->iomem + 0xc000, 0x00, 0x220); - memset_io(dev->iomem + 0xc400, 0x00, 0x100); - - for (i = 0; i < MAX_STREAM; i++) { - dev->channel[i].dev = dev; - dev->channel[i].number = i; - } - - dev->fw_interface_version = 0; - - ngwritel(0, NGENE_INT_ENABLE); - - dev->icounts = ngreadl(NGENE_INT_COUNTS); - - dev->device_version = ngreadl(DEV_VER) & 0x0f; - printk(KERN_INFO DEVICE_NAME ": Device version %d\n", - dev->device_version); -} - -static int ngene_load_firm(struct ngene *dev) -{ - u32 size; - const struct firmware *fw = NULL; - u8 *ngene_fw; - char *fw_name; - int err, version; - - version = dev->card_info->fw_version; - - switch (version) { - default: - case 15: - version = 15; - size = 23466; - fw_name = "ngene_15.fw"; - dev->cmd_timeout_workaround = true; - break; - case 16: - size = 23498; - fw_name = "ngene_16.fw"; - dev->cmd_timeout_workaround = true; - break; - case 17: - size = 24446; - fw_name = "ngene_17.fw"; - dev->cmd_timeout_workaround = true; - break; - case 18: - size = 0; - fw_name = "ngene_18.fw"; - break; - } - - if (request_firmware(&fw, fw_name, &dev->pci_dev->dev) < 0) { - printk(KERN_ERR DEVICE_NAME - ": Could not load firmware file %s.\n", fw_name); - printk(KERN_INFO DEVICE_NAME - ": Copy %s to your hotplug directory!\n", fw_name); - return -1; - } - if (size == 0) - size = fw->size; - if (size != fw->size) { - printk(KERN_ERR DEVICE_NAME - ": Firmware %s has invalid size!", fw_name); - err = -1; - } else { - printk(KERN_INFO DEVICE_NAME - ": Loading firmware file %s.\n", fw_name); - ngene_fw = (u8 *) fw->data; - err = ngene_command_load_firmware(dev, ngene_fw, size); - } - - release_firmware(fw); - - return err; -} - -static void ngene_stop(struct ngene *dev) -{ - down(&dev->cmd_mutex); - i2c_del_adapter(&(dev->channel[0].i2c_adapter)); - i2c_del_adapter(&(dev->channel[1].i2c_adapter)); - ngwritel(0, NGENE_INT_ENABLE); - ngwritel(0, NGENE_COMMAND); - ngwritel(0, NGENE_COMMAND_HI); - ngwritel(0, NGENE_STATUS); - ngwritel(0, NGENE_STATUS_HI); - ngwritel(0, NGENE_EVENT); - ngwritel(0, NGENE_EVENT_HI); - free_irq(dev->pci_dev->irq, dev); -#ifdef CONFIG_PCI_MSI - if (dev->msi_enabled) - pci_disable_msi(dev->pci_dev); -#endif -} - -static int ngene_buffer_config(struct ngene *dev) -{ - int stat; - - if (dev->card_info->fw_version >= 17) { - u8 tsin12_config[6] = { 0x60, 0x60, 0x00, 0x00, 0x00, 0x00 }; - u8 tsin1234_config[6] = { 0x30, 0x30, 0x00, 0x30, 0x30, 0x00 }; - u8 tsio1235_config[6] = { 0x30, 0x30, 0x00, 0x28, 0x00, 0x38 }; - u8 *bconf = tsin12_config; - - if (dev->card_info->io_type[2]&NGENE_IO_TSIN && - dev->card_info->io_type[3]&NGENE_IO_TSIN) { - bconf = tsin1234_config; - if (dev->card_info->io_type[4]&NGENE_IO_TSOUT && - dev->ci.en) - bconf = tsio1235_config; - } - stat = ngene_command_config_free_buf(dev, bconf); - } else { - int bconf = BUFFER_CONFIG_4422; - - if (dev->card_info->io_type[3] == NGENE_IO_TSIN) - bconf = BUFFER_CONFIG_3333; - stat = ngene_command_config_buf(dev, bconf); - } - return stat; -} - - -static int ngene_start(struct ngene *dev) -{ - int stat; - int i; - - pci_set_master(dev->pci_dev); - ngene_init(dev); - - stat = request_irq(dev->pci_dev->irq, irq_handler, - IRQF_SHARED, "nGene", - (void *)dev); - if (stat < 0) - return stat; - - init_waitqueue_head(&dev->cmd_wq); - init_waitqueue_head(&dev->tx_wq); - init_waitqueue_head(&dev->rx_wq); - sema_init(&dev->cmd_mutex, 1); - sema_init(&dev->stream_mutex, 1); - sema_init(&dev->pll_mutex, 1); - sema_init(&dev->i2c_switch_mutex, 1); - spin_lock_init(&dev->cmd_lock); - for (i = 0; i < MAX_STREAM; i++) - spin_lock_init(&dev->channel[i].state_lock); - ngwritel(1, TIMESTAMPS); - - ngwritel(1, NGENE_INT_ENABLE); - - stat = ngene_load_firm(dev); - if (stat < 0) - goto fail; - -#ifdef CONFIG_PCI_MSI - /* enable MSI if kernel and card support it */ - if (pci_msi_enabled() && dev->card_info->msi_supported) { - unsigned long flags; - - ngwritel(0, NGENE_INT_ENABLE); - free_irq(dev->pci_dev->irq, dev); - stat = pci_enable_msi(dev->pci_dev); - if (stat) { - printk(KERN_INFO DEVICE_NAME - ": MSI not available\n"); - flags = IRQF_SHARED; - } else { - flags = 0; - dev->msi_enabled = true; - } - stat = request_irq(dev->pci_dev->irq, irq_handler, - flags, "nGene", dev); - if (stat < 0) - goto fail2; - ngwritel(1, NGENE_INT_ENABLE); - } -#endif - - stat = ngene_i2c_init(dev, 0); - if (stat < 0) - goto fail; - - stat = ngene_i2c_init(dev, 1); - if (stat < 0) - goto fail; - - return 0; - -fail: - ngwritel(0, NGENE_INT_ENABLE); - free_irq(dev->pci_dev->irq, dev); -#ifdef CONFIG_PCI_MSI -fail2: - if (dev->msi_enabled) - pci_disable_msi(dev->pci_dev); -#endif - return stat; -} - -/****************************************************************************/ -/****************************************************************************/ -/****************************************************************************/ - -static void release_channel(struct ngene_channel *chan) -{ - struct dvb_demux *dvbdemux = &chan->demux; - struct ngene *dev = chan->dev; - - if (chan->running) - set_transfer(chan, 0); - - tasklet_kill(&chan->demux_tasklet); - - if (chan->ci_dev) { - dvb_unregister_device(chan->ci_dev); - chan->ci_dev = NULL; - } - - if (chan->fe2) - dvb_unregister_frontend(chan->fe2); - - if (chan->fe) { - dvb_unregister_frontend(chan->fe); - dvb_frontend_detach(chan->fe); - chan->fe = NULL; - } - - if (chan->has_demux) { - dvb_net_release(&chan->dvbnet); - dvbdemux->dmx.close(&dvbdemux->dmx); - dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, - &chan->hw_frontend); - dvbdemux->dmx.remove_frontend(&dvbdemux->dmx, - &chan->mem_frontend); - dvb_dmxdev_release(&chan->dmxdev); - dvb_dmx_release(&chan->demux); - chan->has_demux = false; - } - - if (chan->has_adapter) { - dvb_unregister_adapter(&dev->adapter[chan->number]); - chan->has_adapter = false; - } -} - -static int init_channel(struct ngene_channel *chan) -{ - int ret = 0, nr = chan->number; - struct dvb_adapter *adapter = NULL; - struct dvb_demux *dvbdemux = &chan->demux; - struct ngene *dev = chan->dev; - struct ngene_info *ni = dev->card_info; - int io = ni->io_type[nr]; - - tasklet_init(&chan->demux_tasklet, demux_tasklet, (unsigned long)chan); - chan->users = 0; - chan->type = io; - chan->mode = chan->type; /* for now only one mode */ - - if (io & NGENE_IO_TSIN) { - chan->fe = NULL; - if (ni->demod_attach[nr]) { - ret = ni->demod_attach[nr](chan); - if (ret < 0) - goto err; - } - if (chan->fe && ni->tuner_attach[nr]) { - ret = ni->tuner_attach[nr](chan); - if (ret < 0) - goto err; - } - } - - if (!dev->ci.en && (io & NGENE_IO_TSOUT)) - return 0; - - if (io & (NGENE_IO_TSIN | NGENE_IO_TSOUT)) { - if (nr >= STREAM_AUDIOIN1) - chan->DataFormatFlags = DF_SWAP32; - - if (nr == 0 || !one_adapter || dev->first_adapter == NULL) { - adapter = &dev->adapter[nr]; - ret = dvb_register_adapter(adapter, "nGene", - THIS_MODULE, - &chan->dev->pci_dev->dev, - adapter_nr); - if (ret < 0) - goto err; - if (dev->first_adapter == NULL) - dev->first_adapter = adapter; - chan->has_adapter = true; - } else - adapter = dev->first_adapter; - } - - if (dev->ci.en && (io & NGENE_IO_TSOUT)) { - dvb_ca_en50221_init(adapter, dev->ci.en, 0, 1); - set_transfer(chan, 1); - chan->dev->channel[2].DataFormatFlags = DF_SWAP32; - set_transfer(&chan->dev->channel[2], 1); - dvb_register_device(adapter, &chan->ci_dev, - &ngene_dvbdev_ci, (void *) chan, - DVB_DEVICE_SEC); - if (!chan->ci_dev) - goto err; - } - - if (chan->fe) { - if (dvb_register_frontend(adapter, chan->fe) < 0) - goto err; - chan->has_demux = true; - } - if (chan->fe2) { - if (dvb_register_frontend(adapter, chan->fe2) < 0) - goto err; - chan->fe2->tuner_priv = chan->fe->tuner_priv; - memcpy(&chan->fe2->ops.tuner_ops, - &chan->fe->ops.tuner_ops, - sizeof(struct dvb_tuner_ops)); - } - - if (chan->has_demux) { - ret = my_dvb_dmx_ts_card_init(dvbdemux, "SW demux", - ngene_start_feed, - ngene_stop_feed, chan); - ret = my_dvb_dmxdev_ts_card_init(&chan->dmxdev, &chan->demux, - &chan->hw_frontend, - &chan->mem_frontend, adapter); - ret = dvb_net_init(adapter, &chan->dvbnet, &chan->demux.dmx); - } - - return ret; - -err: - if (chan->fe) { - dvb_frontend_detach(chan->fe); - chan->fe = NULL; - } - release_channel(chan); - return 0; -} - -static int init_channels(struct ngene *dev) -{ - int i, j; - - for (i = 0; i < MAX_STREAM; i++) { - dev->channel[i].number = i; - if (init_channel(&dev->channel[i]) < 0) { - for (j = i - 1; j >= 0; j--) - release_channel(&dev->channel[j]); - return -1; - } - } - return 0; -} - -static struct cxd2099_cfg cxd_cfg = { - .bitrate = 62000, - .adr = 0x40, - .polarity = 0, - .clock_mode = 0, -}; - -static void cxd_attach(struct ngene *dev) -{ - struct ngene_ci *ci = &dev->ci; - - ci->en = cxd2099_attach(&cxd_cfg, dev, &dev->channel[0].i2c_adapter); - ci->dev = dev; - return; -} - -static void cxd_detach(struct ngene *dev) -{ - struct ngene_ci *ci = &dev->ci; - - dvb_ca_en50221_release(ci->en); - kfree(ci->en); - ci->en = 0; -} - -/***********************************/ -/* workaround for shutdown failure */ -/***********************************/ - -static void ngene_unlink(struct ngene *dev) -{ - struct ngene_command com; - - com.cmd.hdr.Opcode = CMD_MEM_WRITE; - com.cmd.hdr.Length = 3; - com.cmd.MemoryWrite.address = 0x910c; - com.cmd.MemoryWrite.data = 0xff; - com.in_len = 3; - com.out_len = 1; - - down(&dev->cmd_mutex); - ngwritel(0, NGENE_INT_ENABLE); - ngene_command_mutex(dev, &com); - up(&dev->cmd_mutex); -} - -void ngene_shutdown(struct pci_dev *pdev) -{ - struct ngene *dev = (struct ngene *)pci_get_drvdata(pdev); - - if (!dev || !shutdown_workaround) - return; - - printk(KERN_INFO DEVICE_NAME ": shutdown workaround...\n"); - ngene_unlink(dev); - pci_disable_device(pdev); -} - -/****************************************************************************/ -/* device probe/remove calls ************************************************/ -/****************************************************************************/ - -void __devexit ngene_remove(struct pci_dev *pdev) -{ - struct ngene *dev = pci_get_drvdata(pdev); - int i; - - tasklet_kill(&dev->event_tasklet); - for (i = MAX_STREAM - 1; i >= 0; i--) - release_channel(&dev->channel[i]); - if (dev->ci.en) - cxd_detach(dev); - ngene_stop(dev); - ngene_release_buffers(dev); - pci_set_drvdata(pdev, NULL); - pci_disable_device(pdev); -} - -int __devinit ngene_probe(struct pci_dev *pci_dev, - const struct pci_device_id *id) -{ - struct ngene *dev; - int stat = 0; - - if (pci_enable_device(pci_dev) < 0) - return -ENODEV; - - dev = vzalloc(sizeof(struct ngene)); - if (dev == NULL) { - stat = -ENOMEM; - goto fail0; - } - - dev->pci_dev = pci_dev; - dev->card_info = (struct ngene_info *)id->driver_data; - printk(KERN_INFO DEVICE_NAME ": Found %s\n", dev->card_info->name); - - pci_set_drvdata(pci_dev, dev); - - /* Alloc buffers and start nGene */ - stat = ngene_get_buffers(dev); - if (stat < 0) - goto fail1; - stat = ngene_start(dev); - if (stat < 0) - goto fail1; - - cxd_attach(dev); - - stat = ngene_buffer_config(dev); - if (stat < 0) - goto fail1; - - - dev->i2c_current_bus = -1; - - /* Register DVB adapters and devices for both channels */ - if (init_channels(dev) < 0) - goto fail2; - - return 0; - -fail2: - ngene_stop(dev); -fail1: - ngene_release_buffers(dev); -fail0: - pci_disable_device(pci_dev); - pci_set_drvdata(pci_dev, NULL); - return stat; -} |